Search Results — 2000 specimen records retrieved (1623 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  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
  SEINET7287568  Acacia decurrens M. G. Long Jr. 1956-3-28 s.n. Placer Along Highway 40, easte of Auburn 396 Comment
  SCFS11529149  Acer glabrum E. Krimmel 2014-6-26 Placer Road cut Comment
  UCD22104  Acer glabrum Rex Palmer 1979-6-21 N 395 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC331007  Acer glabrum var. glabrum Alice Eastwood 1912-6-15 365 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC331013  Acer glabrum var. glabrum James R. Shevock 1985-8-9 11337 Placer Western slope of the northern Sierra Nevada. Tahoe National Forest, Granitie Chief Wilderness. Along trail 16E10 above Picayune Valley 2200 Comment
  SD43608  Acer macrophyllum Darley F. Howe 1948-5-22 1822 Placer Placer Co 1220 Comment
  SEINET7893924  Acer macrophyllum W. D. Billings 1940-5-31 1275 Placer 5 miles E of Colfax. Comment
  CHSC10595  Achillea millefolium Lowell Ahart 1966-8-12 Placer French Meadows. 1676 Comment
  UCR170827  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2005-9-30 9962 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR201519  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2008-8-20 14016 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  RSA463210  Achillea millefolium var. californica J. H. Nishida 1985-7-10 783 Placer Homewood. 1829 Comment
  UC821962  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer 1 mi w Baxter Comment
  CAS-BOT-BC216416  Achnatherum lettermanii A. A. Heller No date on label 12889 Placer Summit Station 2121 Comment
  CAS-BOT-BC210743  Achnatherum nelsonii W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  CAS-BOT-BC216874  Achnatherum occidentale John Thomas Howell 1943-7-25 18808 A Placer W side Donner Pass near Norden 2133 Comment
  CAS-BOT-BC210836  Achnatherum occidentale subsp. californicum C. G. Pringle 1882-9-20 s.n. Placer Summit Valley, Sierra Nevada Mts. 2438 Comment
  CHSC68078  Achnatherum occidentale subsp. californicum James D. Jokerst 1986-7-13 2706 Placer Trail from the Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  UC682055  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3174 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UC682056  Achnatherum occidentale subsp. occidentale G. L. Stebbins Jr. 1941-7-16 3171 Placer 1 mi w along US Highway 40 Cisco Grove 1706 Comment
  UC750542  Achnatherum occidentale subsp. occidentale Lewis S. Rose 1946-6-23 46193 Placer n of Cisco (Rainbow) 1737 Comment
  CDA15640  Achnatherum occidentale subsp. pubescens G. F. Hrusa, J. Glazner 1999-7-18 15193 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC1601370  Achnatherum stillmanii Prof. B. 1870-8-1 Placer Blue Canyon, C.P.R.R. Comment
  UC477532  Achnatherum stillmanii L. S. Smith 1931-6-4 2557 Placer below Pine Nut (Duncan Canyon); Tahoe Nat. Forest 1524 Comment
  UCD51417  Achnatherum stillmanii G. L. Stebbins Jr. 1941-7-16 3167 Placer 50-100 yards below S.P. railroad tracks, 1.2 mile south of Blue Canon Station. 1447 Comment
  CDA39022  Acmispon americanus D. G. Kelch 2011-10-3 11 .816 Placer Tahoe City. Granlibakken Resort. Comment
  SD247414  Acmispon americanus var. americanus George 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 (Blue Canyon 7.5'Q) 1652 Comment
  SEINET5327504  Acmispon americanus var. americanus P. A. Lehenbauer 1932-8-28 s.n. Placer [Sierra Nevada] Cisco Camp Comment
  CAS-BOT-BC438835  Acmispon argophyllus var. fremontii George K. Helmkamp; Mary Alice Barnes 2013-5-3 20502 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
  SEINET5327408  Acmispon brachycarpus A. Beninghoff 1930-4-19 1768 Placer Virginia Town Comment
  UCD104250  Acmispon nevadensis Beecher Crampton 1968-9-18 8385 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  SD240993  Acmispon nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17854 Placer Northern Sierra Nevada Mountains Foothills: Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mile NE (65a^z) of Emigrant Gap (Blue Canyon 7.5'Q) 1590 Comment
  CDA16802  Aconitum columbianum G. F. Hrusa, J. Glazner 2001-7-15 15941 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2255 Comment
  UCD44511  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1877 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET5337521  Aconitum columbianum A. A. Heller 1909-7-16 9849 Placer Summit. 2134 Comment
  UCD98571  Aconogonon davisiae Frederica Bowcutt 1994-7-22 1944 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  UCD21683  Adenocaulon bicolor Beth Lowe Corbin 1982-8-6 259 Placer 1/8 mile west of Onion Creek campground. In deep conifer duff. Open area near stream. Perennial herb. White flowers. Partial sun. SW facing slope, 10% incline. Occasional. 1844 Comment
  UCR231855  Adenocaulon bicolor George K. Helmkamp, E. A. Helmkamp 2010-8-11 16764 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  SEINET6700629 Image available Adenocaulon bicolor P. B. Kennedy 1901-8-15 405 Placer Bear man's camp, 6 miles from French Meadows Comment
  UCD137068  Adiantum aleuticum F. A. MacFadden 1934-7-9 s.n. Placer P.G.E. dam below Emigrant Gap. Comment
  CDA12385  Agastache urticifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8513 A Placer Lake Tahoe; Upper Ward Valley, 4 mi SW Tahoe City. Comment
  SJSU11410  Agastache urticifolia H. T. Harvey 1958-8-19 Placer Sugar Bowl, 1 mi S of Donner Summit 2164 Comment
  UCD22032  Agastache urticifolia Beth Lowe Corbin 1982-8-3 176 Placer Onion Creek campground. Along streambank but away from water. Perennial herb, with pinkish purple flowers, and strong mint odor. Mostly sun. Uncommon. Southwest facing slope. 1841 Comment
  UCD22078  Agastache urticifolia Rex Palmer 1979-7-25 N 804 Placer Headwaters basin area of the North Fork of the American River Comment
  SCFS1113  Agastache urticifolia E. Krimmel 2013-6-13 Placer NFAm. Split #3. On trail to Heath Falls Overlook. 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
  CAS-BOT-BC295535  Agnorhiza bolanderi Volney Rattan No date on label s.n. Placer Forest Hill Comment
  CAS-BOT-BC15494  Agoseris X elata Mrs. E. Parsons 1910-7-26 s.n. Placer Sunnyside, Lake Tahoe Comment
  UC449602  Agoseris aurantiaca var. aurantiaca Miss Helen D. Geis Jun 1 1912-Jul 1 1912 196 Placer Deer Park Deer Park Comment
  CDA36901  Agoseris glauca CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  SEINET9335664  Agoseris heterophylla Unknown 2002-5-22 220 Placer Hughes Mill, along Finning Mill Rd, approx. 3 mi N of Forest Hill rd, approx 3 mi E of Forest Hill. Serpentine open forest, bogs, flats and slopes. Disturbed condsiderably in past on lower area, flats than on upper slopes. Open serpentine flats adjacent t Comment
  JEPS126392  Agoseris monticola Steve Matson 1998-6-21 258 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  SD81102  Agoseris retrorsa Darley F. Howe 1971-7-2 Placer Lake Tahoe, Eldorado National Forest Comment
  UC832675  Agoseris retrorsa Marcus E. Jones, A. M. 1882-6-30 2782 Placer Emigrant Gap Comment
  CAS-BOT-BC451160  Agrimonia gryposepala W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Station Comment
  CAS-BOT-BC110752  Agropyron cristatum T. C. Fuller 1964-9-1 12574 Placer Sierra Nevada. North side of Interstate 80 freeway from Donner Summit, 0.1 mile west of Blue Canyon Road. 1524 Comment
  SACT000042  Agropyron desertorum D. Meyer 1984-5-27 Placer meadow surrounded by sagebrush type vegetation Comment
  SACT000056  Agropyron riparium Michael Baad 1976-7-14 Placer Glaucous. 1.3 miles along road from Forest Hill Divide to Secret Canyon. Open brushy slope. 1554.48 Comment
  SACT000067  Agropyron trachycaulum D. Meyer 1983-8-20 Placer Moist roadside meadow, some vegetation following residential construction 2000.0 Comment
  SACT000073  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1767.84 Comment
  SACT000076  Agropyron trachycaulum D. Meyer 1983-9-10 Placer Moist streambanks and meadow 1879.0 Comment
  JEPS22879  Agrostemma githago Donald E. Vermeer 1959-5-2 13 Placer on U.S. Highway 40, 5 mi w Auburn 274 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
  UCD80506  Agrostis capillaris CNPS SN Foothill Team 2006-6-27 SNNR 0725 Placer Placer Land Trust, Shutamul Parcel, Bear River. 313 Comment
  SACT000127  Agrostis diegoensis Michael Baad 1976-8-4 Placer Banks of Picoyune Creek amoung rocks and in the gravel beside creek, white fir forest with openings 1975.1 Comment
  SACT000084  Agrostis exarata D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SEINET238859  Agrostis exarata Beecher Crampton 1952-11-9 930 Placer 6 miles east of Auburn 1 mile south of Meadow Vista. 457 Comment
  UCD52073  Agrostis exarata Beecher Crampton 1956-7-17 3729 Placer Blue Canyon. Comment
  UCD52347  Agrostis exarata Hitchcock Date Unknown 12891 Placer Summit Station. 2121 Comment
  SACT000114  Agrostis exarata var. monolepis D. Meyer 1984-6-23 Placer Iowa Hill Rd 17.12 km from I 80 Frontage Rd. Dry roadside. elev. 909. s28t15nr10e 978.0 Comment
  CAS-BOT-BC139728  Agrostis gigantea Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CAS-BOT-BC139254  Agrostis idahoensis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  CHSC82677  Agrostis idahoensis Lowell Ahart 2002-7-22 9906 Placer Along a drainage, about 40 yards northwest of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1774 Comment
  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
  UCD52992  Agrostis idahoensis Lewis S. Rose 1944-7-26 44272 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  UCR218131  Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16380 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR241359  Agrostis idahoensis George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19816 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  SEINET10968050  Agrostis idahoensis A. Arthur Heller 1919-7-25 Heller 13293 Placer Sandy flat near the Yuba river below Cisco. Comment
  UCD53085  Agrostis pallens A. S. Hitchcock Date Unknown 12892 Placer Summit Station, upper limit of the yellow pine belt (P. Jeffreyi). 2121 Comment
  UCD74165  Agrostis pallens Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 199 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2190 Comment
  SACT000153  Agrostis scabra Michael Baad 1983-7-23 Placer on gravel road 1828.8 Comment
  SACT000155  Agrostis scabra D. Meyer 1984-7-21 Placer 1927.0 Comment
  SACT000156  Agrostis scabra D. Meyer 1984-7-15 Placer 4.8 km from the lodge 1909.0 Comment
  SACT000167  Agrostis scabra D. Meyer 1984-8-12 Placer 11.2 km from French Meadows, very wet boggy area and grazed wooded area 1612.0 Comment
  UCD53345  Agrostis scabra B. Bolt 1934-8-14 173 Placer E. slope of Red Star Ridge. 1767 Comment
  SACT000173  Agrostis semiverticillata Josephine Van Ess 1977-8-1 Placer streamside 182.9 Comment
  SACT000192  Agrostis stolonifera var. major D. Meyer 1983-7-26 Placer Gold Run exit off I 80 intersect of Magra Rd Gold Run Rd 970.0 Comment
  SACT000207  Agrostis stolonifera var. major D. Meyer 1983-7-30 Placer 1842.0 Comment
  SACT000214  Agrostis tenuis D. Meyer 1984-6-23 Placer 9.76 km from I80 Frontage rd. moist shady roadside ditch. oak, pine, manzanita, assoc 978.0 Comment
  SACT000242  Agrostis thurberiana Michael Baad 1976-8-7 Placer Trailhead to Bear Lake on Rubicon Trail to Bear Lake Canadian Zone 2316.48 Comment
  SACT000253  Agrostis variabilis Michael Baad 1976-8-4 Placer Shore of Mildred Lakes and northwest-facing slope of Mildred Ridge 2438.4 Comment
  SACT000255  Agrostis variabilis James Grove 1977-7-15 Placer 2000.0 Comment
  UCD42942  Agrostis variabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 311 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET10790432  Agrostis variabilis A. Arthur Heller 1917-8-13 Heller 12913 Placer Ridge northwest of Donner Pass in coarse granite sand below a ledge of igneous rock, the neighboring forest composed of Abies magnifica. 2347 Comment
  CDA36884  Aira caryophyllea CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SACT000227  Aira caryophyllea D. Meyer 1983-5-7 Placer Comment
  UCD55713  Aira caryophyllea Beecher Crampton 1953-4-13 1098 Placer 1 mile north of Lincoln, along railroad property. Comment
  UCD55785  Aira caryophyllea August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  SEINET10509650  Aira caryophyllea Alan A. Beetle 1941-5-26 Beetle 2710 Placer Near Cisco. 914 Comment
  UC985659  Alisma lanceolatum Malcolm A. Nobs 1948-9-25 686 Placer Hwy 49 about 9 mi n Auburn; Rock Creek Comment
  UCD44484  Allium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1850 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC40995  Allium campanulatum J. D. Jokerst 1984-6-20 2070 Placer South of Big Grizzly Cr., north of the Rubicon. Comment
  SEINET176938  Allium campanulatum M. E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  SCFS1194  Allium obtusum E. Krimmel 2014-4-21 Placer Pt. Mariah Comment
  JEPS47620  Allium platycaule L. S. Smith 1926-5-26 1873 Placer Duncan Canyon above Forks; Tahoe Forest, Duncan Canyon 1676 Comment
  POM110008  Allium platycaule Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC474082  Allium platycaule L. Smith 1926-5-26 1873 Placer Duncan Canyon, Tahoe Forest 1676 Comment
  JEPS2719 Image available Allium sanbornii var. congdonii Katharine Brandegee 1908-7-18 Placer Cape Horn; ; Cape Horn, Placer Co. Comment
  UC880192  Allophyllum gilioides subsp. violaceum A. A. Heller 1917-8-13 12900 Placer base of cliff n. of Summit hotel 2164 Comment
  UC147645  Allophyllum integrifolium Harriet A. Walker 1908-6-23 1204 Placer Blue Canyon 1432 Comment
  UC193303  Allotropa virgata C. F. Sonne 1887-7-10 Placer Pine woods on Truckee River near Tinkers Knob 2590 Comment
  CAS-BOT-BC171259  Alnus incana subsp. tenuifolia Alice Eastwood 1912-6-15 s.n. Placer Deer Park. Lake Tahoe Region Comment
  SBBG1282  Alnus incana subsp. tenuifolia E. R. Blakley 1960-9-2 3805 Placer meadow at mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  UCR51562  Alopecurus aequalis Lyman Benson 1942-7-2 11268 Placer 1 mi west of Truckee; Hwy junction 1829 Comment
  CHSC96477  Alopecurus saccatus Lowell Ahart; Brian Williams 2007-4-13 13660 Placer On the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  JEPS115003  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
  CAS-BOT-BC136697  Amelanchier alnifolia var. pumila Alice Eastwood 1912-6-15 372 Placer Deer Park, Lake Tahoe Region Comment
  UCD112896  Amelanchier pallida R. Prag 1973-6-26 s.n. Placer Ward Valley. Comment
  OBI39814  Amelanchier utahensis Joy H. Nishida 1985-7-10 767 Placer Homewood 1829 Comment
  UCD22263  Amelanchier utahensis Rex Palmer 1979-6-8 N 112 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR121482  Amelanchier utahensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5017 A Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  POM118157  Amorpha californica H. M. Hall, F. M. Essig, C. C. Hall 1916-6-5 202 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada. 400 Comment
  CAS-BOT-BC180675  Amorpha californica var. californica H. M. Hall; F. M. Essig 1916-6-5 10159 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada 400 Comment
  UC479941  Amsinckia Katharine Brandegee May 1883 Placer between Salmon Falls and Auburn; Alabaster Cave Comment
  SEINET11792336  Amsinckia douglasiana D. F. Erskine 1941-4-11 25 Placer 5 miles north of Roseville 91 Comment
  CHSC96504  Amsinckia eastwoodiae Lowell Ahart; Brian Williams 2007-4-13 13670 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln. 37 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
  UCR231872  Amsinckia menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2011-4-10 17137 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCR123376  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 1999-6-29 5055 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
  UCR218467  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16390 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-BC249053  Anaphalis margaritacea George K. Helmkamp; E. A. Helmkamp 2010-8-14 16792 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
  UC1125511  Anaphalis margaritacea B. Bolt 1934-7-17 132 Placer Robertson Flat; Colfax Quad. 2011 Comment
Read comments
Jun 18 2014
  UCD21771  Anaphalis margaritacea Rex Palmer Date Unknown N 887 Placer Headwaters basin area of the North Fork of the American River Comment
  UC1019764  Andropogon glomeratus var. pumilus R. P. Celarier 1953-9-24 A- 2601 -I Placer Comment
  UCD56100  Andropogon virginicus Beecher Crampton 1960-11-2 5793 Placer 2 miles east of Bowman, along U.S. Hwy. 40. Comment
  UCD56102  Andropogon virginicus Jack E. Herr 1955-10-10 s.n. Placer Auburn. Comment
  UC1153926  Andropogon virginicus var. virginicus Beecher Crampton 1957-5-7 3999 Placer US Hwy 40 ca 3 mi e Auburn (2 mi w of Clipper Gap); w of Clipper Gap Comment
  CAS-BOT-BC128577  Androsace occidentalis Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  UCD127133  Angelica breweri G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12649 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CAS-BOT-BC63973  Antennaria argentea C. F. Sonne 1886-7-4 162 Placer On Truckee River Comment
  SEINET6055356  Antennaria argentea Unknown 1987-6-26 5421 Placer California Highway 267, 3.2 miles south of Brockway Summit. Comment
  CAS-BOT-BC137711  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Near Cisco. 914 Comment
  SACT000337  Anthoxanthum odoratum Michael Baad 1983-7-1 Placer .3 mile north of Blue Canyon Inn on road to I 80 along stream. 1584.96 Comment
  UC815547  Anthoxanthum odoratum C. L. Hitchcock 1940-5-7 6316 Placer 1 mi w of Baxter Comment
  SEINET10967848  Anthoxanthum odoratum Alan A. Beetle 1941-5-26 Beetle 2719 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Melica californica, Stipa lemmoni. 914 Comment
  UCR242999  Anthriscus caucalis Richard C. Schulhof 1984-5-19 22 Placer Sierra Nevada Mtns. Foothills, On Road 49, 3 miles south of Auburn [toward Cool] 671 Comment
  SEINET6329792  Aphanes occidentalis F. Martin 1962-3-16 55 Placer 2 miles east of Auburn, above the north fork of the Yuba River 274 Comment
  SEINET4691687  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2010-1 16785 Placer Northern Sierra Nevada Mountains: American Hill road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. 1552 Comment
  CAS-BOT-BC334224  Aquilegia formosa George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19797 Placer Northern Sierra Nevada Mountains: Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  OBI39805  Aquilegia formosa Joy H. Nishida 1985-7-10 782 Placer Homewood 1829 Comment
  UC54280  Aquilegia formosa H. M. Hall and H. P. Chandler 1903-7-1 4681 Placer near summit of Mt. Ralston Sierra Nevada, Lake Tahoe vicinity 2773 Comment
  POM270571  Aquilegia formosa var. truncata Lyman Benson 1942-7-2 11251 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  RSA569052  Aquilegia formosa var. truncata Bonnie C. Templeton 1931-7-4 1505 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  CDA36918  Arabidopsis thaliana CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCD114099  Arabidopsis thaliana Barbara Ertter; David Thompson 1989-4-9 8196 Placer Halfway down road to Lake Clementine (=North Fork Lake) NE of Auburn. 304 Comment
  CDA13686  Arabis drummondii G. F. Hrusa, J. Glazner 1997-8-3 14045 a Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  SEINET3899869  Arabis holboellii var. retrofracta Larry C. Higgins 1968-7-14 1743 Placer Squaw Valley.; 0 1920 Comment
  SEINET5340784  Arabis sparsiflora P. A. Lehenbauer 1926-4-25 1125 Placer Squaw Creek. Comment
  SEINET7258076  Arbutus menziesii W. D. Billings 1940-5-18 s.n. Placer Gold Run Comment
  CAS-BOT-BC407753  Arceuthobium abietinum E. R. Blakley 1960-8-29 3793 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  SEINET2116910  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-8-17 2004 -13 Placer Alpine Meadows Ski Area, along Roundhouse Ski Lift 2190 Comment
  SEINET2116921  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2004-9-8 2004 -28 Placer Alpine Meadows Ski Area. Along Roundhouse Ski Lift 2190 Comment
  CAS-BOT-BC24152  Arctostaphylos Saichi Kawahara 1969-5-25 1015 Placer Top of ridge E of house. Mel Henderson Ranch, E bank of Indian Creek, Dutch Flat Quadrangle 1036 Comment
  CAS-BOT-BC24242  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer W. slope of Sierra Nevada. Gorge Station, C.P.R.R. 1219 Comment
  CDA39032  Arctostaphylos mewukka D. G. Kelch 2011-10-3 11 .827-B Placer Tahoe City. Granlibakken Resort. Comment
  POM286039  Arctostaphylos nevadensis Lyman Benson 1933-6-26 4539 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  UCR171337  Arctostaphylos nevadensis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9977 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  CAS-BOT-BC42103  Arctostaphylos patula W. R. Dudley 1909-8-16 s.n. Placer Near Clark's Dutch Flat Comment
  HSC35045  Arctostaphylos patula Thomas W. Nelson, James Nelson 1974-6-17 1361 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  RSA257024  Arctostaphylos patula Gary D. Wallace 1974-12-27 1373 Placer Near Lake Tahoe on the outskirts of Homewood. 1905 Comment
  UCR60630  Arctostaphylos patula subsp. patula G. D. Wallace, R. F. Thorne, Larry E. DeBuhr, et al. 1975-4-13 1420 Placer Sierra Nevada, Baxter exit off Hwy 80 between Alta and Blue Can. 1207 Comment
  UCD54624  Arctostaphylos viscida Ellen Dean; John Downs, Brian Ludwig 2006-3-30 2830 Placer Along Secret Town Rd., near railroad overpass trestle, NW of Interstate-80. 914 Comment
  UCSB23697  Arctostaphylos viscida Orr, Bruce 1966-4-5 Placer 1.2 miles northeast of Highway 80 at junction with Goldrun Road, Sierra Nevada 1066 Comment
  SEINET7268629  Arctostaphylos viscida J. Elder 1961-3-18 s.n. Placer 5 mi. SE of Auburn, on hillside above American River 366 Comment
  CDA16975  Arctostaphylos viscida subsp. viscida G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16028 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC194945  Arctostaphylos viscida subsp. viscida H. M. Hall 1916-6-20 10216 Placer near Applegate; Sierra Nevada Mountains, Pinecrest 731 Comment
  UC876565  Arctostaphylos viscida subsp. viscida C. L. Hitchcock 1940-5-14 6380 Placer ca. 6 mi n Colfax; Meier Ranch 762 Comment
  CDA15941  Arenaria congesta var. congesta G. F. Hrusa, J. Glazner 1999-7-17 15149 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SBBG115628  Aristida oligantha B. Crampton 1961-9-27 5995 Placer ca. 1 mi W of Auburn, along US Hwy 40 Comment
  CAS-BOT-BC400409  Aristolochia californica J. W. Congdon 1894-4-4 s.n. Placer Auburn Comment
  UCD21689  Arnica Rex Palmer 1979-6-21 N 415 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC892062  Arnica chamissonis M. E. Parsons 1910-8-1 Placer Tahoe City Comment
  OBI17073  Arnica cordifolia Robert F. Hoover 1967-9-5 10832 Placer Carmelian Bay, Lake Tahoe Comment
  UC197366  Arnica dealbata C. F. Sonne 1895-7-14 Placer hillside near Pole Creek; Sierra Nevada Mountains, Truckee River Comment
  JEPS20970  Arnica longifolia C. F. Sonne 1888-8-12 191 Placer Sierra Nevada Mountains Comment
  UC193595  Arnica longifolia C. F. Sonne 1885-8-23 Placer n of Tinker's Knob ((e slope Anderson's Peak)); Anderson's Peak Comment
  CDA13701  Arnica mollis G. F. Hrusa, J. Glazner 1997-8-3 14061 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UC29592  Arnica mollis Miss M. E. Parsons 1896-8-1 Placer Deer Park, (Lake Tahoe) Comment
  CAS-BOT-BC85136  Arnica nevadensis Elizabeth Parsons Hawver 1911-8-1 s.n. Placer Lake Tahoe Region - Madden Creek, upper meadows Comment
  CDA15641  Arnica parryi G. F. Hrusa, J. Glazner 1999-7-18 15209 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC128211  Artemisia douglasiana Miss Harriet A. Walker 1397 Placer near Yuba River (Cisco) 1524 Comment
  JEPS111300  Artemisia ludoviciana Steve Matson 2005-8-7 1454 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.8 km NW of Silver Peak at northeast corner of flatter area near Bradley Hut; 39.2312 N, 120.2615 W; elev. 7,700 ft. 2346 Comment
  UCD75938  Artemisia ludoviciana Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5175 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
  OBI49306  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant gap Comment
  RSA121925  Asclepias cordifolia N. H. French 1934-5-29 379 Placer Emigrant Gap 1555 Comment
  POM76173  Asclepias fascicularis Marcus E. Jones 1882-7-8 s.n. Placer Auburn Comment
  CAS-BOT-BC474548  Asclepias speciosa James A. Neilson 1971-7-25 2283 Placer Tahoe Basin, King's Beach 1901 Comment
  POM9974  Aster alpigenus E. Keyes 1920-8-21 s.n. Placer Lake Tahoe: Mt. Ellis Meadows. Comment
Read comments
Jan 1 2016
  RSA531308  Aster breweri Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4547 Placer Squaw Valley, beyond upper cable car stn. Comment
  UCR190170  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2007-8-1 12643 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR257731  Aster occidentalis var. occidentalis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19519 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
  SCFS1227  Asteraceae E. Krimmel 2014-6-26 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  SEINET12159603  Astragalus austiniae C. F. Sonne 1885-1 68 Placer Tinkus Knob 2896 Comment
  UCD22021  Astragalus whitneyi Rex Palmer 1979-6-9 N 137 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  CAS-BOT-BC200880  Astragalus whitneyi var. lenophyllus John Thomas Howell 1943-7-21 18672 Placer Mt. Lincoln Comment
  JEPS72268  Astragalus whitneyi var. lenophyllus Gladys L. Smith 1972-6-20 3247 Placer steep slope just below Ward Peak summit; just below Ward Peak summit 2628 Comment
  CAS-BOT-BC66085  Athyrium filix-femina var. cyclosorum A. A. Heller 1919-7-25 13299 Placer near the Yuba River below Cisco 1676 Comment
  SACT000359  Avena barbata Michael Baad 1983-4-17 Placer 4 miles South of Interstate 80 on Ponderosa Road 411.48 Comment
  SACT000364  Avena barbata Michael Baad 1977-6-8 Placer on Ralston Ridge Road 487.68 Comment
  SEINET5336157  Avena fatua W. W. Schwartzkopf s.n. Placer Auburn area 610 Comment
  SD43641  Balsamorhiza deltoidea Darley F. Howe 1948-5-23 1859 Placer American River 305 Comment
  RSA0070815  Balsamorhiza hookeri James Henrickson 1969-5-25 3405 Placer 102 miles northeast of Sacramento, 4 miles southeast of Truckee along Hwy. 267. 1829 Comment
  UCD129454  Balsamorhiza macrolepis Beecher Crampton 1957-5-7 3983 Placer Along US Hwy. 99E, 3.2 miles N of Roseville. Comment
  CAS-BOT-BC100092  Balsamorhiza sagittata Alice Eastwood 1912-6-15 363 Placer Deer Park, Lake Tahoe Region Comment
  UC480757  Balsamorhiza sagittata W. C. Blasdale 1923-8-13 Placer top of Ellis Peak Lake Tahoe Region Comment
  CHSC11040  Barbarea orthoceras Lowell Ahart 1966-7-2 Placer Ahart Camp, French Meadows. 1524 Comment
  SEINET5783763 Image available Barbarea vulgaris Marcus E. Jones 1882-1 2621 Placer Emigrant Gap Comment
  CHSC96575  Bellardia trixago L. P. Janeway 2006-5-10 8594 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. 43 Comment
  CAS-BOT-BC75540  Berberis dictyota Mrs. J. C. Hawver 1913-3-28 s.n. Placer Auburn. 365 Comment
  UCD129459  Bidens frondosa Beecher Crampton 1975-9-9 9276 Placer Gold Run rest area along Interstate Hwy. 80 W. 914 Comment
  UCSB70080  Bidens frondosa Helmkamp, G.; Helmkamp, E. 2007-9-14 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  CAS-BOT-BC413047  Bistorta bistortoides John Thomas Howell 1943-7-22 18697 Placer Summit Valley Comment
  RSA655456  Blennosperma nanum Beecher Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  UC30580  Blennosperma nanum var. nanum H. N. Bolander 1865-4-13 4565 Placer New Castle Comment
  UC30586  Blennosperma nanum var. nanum unknown 1865-4-13 4565 Placer Newcastle 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-BC14402  Boechera platysperma Lowell Ahart 1969-7-30 s.n. Placer Ahart Camp. French Meadows. 1524 Comment
  CAS-BOT-BC14401  Boechera platysperma J. F. Emmel 1970-6-21 314 Placer Slope, 0.6 air mile south of south end of Donner Pass. 2286 Comment
  CAS-BOT-BC14704  Boechera rectissima Katharine Brandegee s.n. Placer Tahoe Tavern. Comment
  JEPS118217  Boechera retrofracta Dean W. Taylor 2010-8-10 20994 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 Comment
  UCD22341  Boechera retrofracta Rex Palmer 1979-6-20 N 311 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC25781  Boechera stricta Alice Eastwood 1909-1-1 125 Placer Lake Tahoe Region. Sunnyside. 1981 Comment
  SEINET10389276  Bolboschoenus fluviatilis R. D. Olson 1949-5-14 16 Placer U.S. Highway 40, Roseville City Limit (W). 61 Comment
  UCR206716  Boykinia major George K. Helmkamp, E. A. Helmkamp 2009-7-16 15209 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 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
  CAS-BOT-BC418415  Boykinia occidentalis Catherine Best 1985-9-15 1144 A Placer Growing at the edge of a creek near Sugar Pine Reservoir about 6 miles north of Forest Hill 1158 Comment
  SACT000435  Brachypodium distachyon Michael Baad 1976-6-3 Placer 1.1 miles east of North Fork of American River Bridge; southwest facing slopes; red igneous rock 217.9 Comment
  SACT000474  Briza minor Josephine Van Ess 1976-3-16 Placer Collected at intersection; gravel slope 91.5 Comment
  SD43624  Briza minor D. F. Howe 1948-5-20 1840 Placer 456 Comment
  SEINET4183117 Image available Briza minor C. L. Hitchcock 1940-5-14 6389 Placer Meier Ranch, circa 6 Miles North of Colfax. 762 Comment
  CAS-BOT-BC482161  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  CAS-BOT-BC482162  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  SEINET9364702  Brodiaea elegans Unknown 2010-6-26 16372 Placer Sierra Nevada Mountains Foothills Comment
  UC1134019  Brodiaea elegans subsp. elegans C. R. Clar 1933-6-4 127 Placer near Newcastle; Sacramento Quadrangle Comment
  UCD139129  Brodiaea elegans subsp. elegans R. A. Blanchard 1931-5-9 2190 Placer Roseville. Comment
  UCD13323  Brodiaea elegans subsp. elegans Kristy S. Howard 1989-6-3 160 Placer Dry creek rd. 365 Comment
  CAS-BOT-BC484261  Brodiaea elegans var. elegans R. F. Hoover 1965-6-24 9450 Placer 1 mi. n. of Auburn on road to Grass Valley (Highway 49) Comment
  CAS-BOT-BC484262  Brodiaea elegans var. elegans R. F. Hoover 1965-6-24 9450 Placer 2 mi. n. of Auburn on road to Grass Valley (Highway 49) Comment
  SACT000483  Bromus arenarius Michael Baad 1977-6-8 Placer 1570.6 Comment
  SACT000486  Bromus arvensis D. Meyer 1983-8-7 Placer along Truckee River, east bank 1879.0 Comment
  SACT000379  Bromus carinatus D. Meyer 1984-6-23 Placer 9.12 km from I80 Frontage road. 978.0 Comment
  SACT000387  Bromus carinatus D. Meyer 1984-7-8 Placer very moist streambank, beneath bridge. 1440.0 Comment
  SACT000502  Bromus carinatus Michael Baad 1976-7-17 Placer 1.5 miles west of Alpine Meadows Ski Area northwest corner 2225.04 Comment
  UCR226136  Bromus carinatus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5152 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  RSA97575  Bromus carinatus P. H. Raven 1950-6-16 2412 Placer Boxters Comment
  UCD22242  Bromus carinatus var. carinatus Rex Palmer 1979-7-9 N 448 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC67739  Bromus carinatus var. marginatus Jame D. Jokerst 1986-7-13 2741 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap'. Comment
  UCD59203  Bromus carinatus var. marginatus L. S. Smith Date Unknown 514 Placer Squaw Valley. Comment
  UCD59209  Bromus carinatus var. marginatus August L. Hormay 1932-7-8 s.n. Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  CHSC73252  Bromus ciliatus L. P. Janeway 1998-8-6 5994 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SACT000530  Bromus diandrus D. Meyer 1983-5-15 Placer field at SE corner. 36.6 Comment
  RSA0039071  Bromus hordeaceus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20474 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCR258398  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-3-21 22632 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  SACT000562  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-7-3 Placer 1227.3 Comment
  UCD58852  Bromus inermis Beecher Crampton 1972-7-26 8850 Placer Carpenter Flat, east of Emigrant Gap. 1615 Comment
  SACT000597  Bromus laevipes D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Rd 978.0 Comment
  SACT000630  Bromus madritensis Michael Baad 1983-5-7 Placer open rock hillside; south-facing, serpentine slope 426.7 Comment
  CDA37198  Bromus madritensis subsp. rubens CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000697  Bromus marginatus D. Meyer 1983-7-30 Placer campground along Truckee River 1853.18 Comment
  UCD32815  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Placer County, Blue canyon. 1430 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
  SACT000678  Bromus sterilis Michael Baad 1983-4-17 Placer descending to middle fork of the American River. serpetine outcrop. 411.48 Comment
  UC905446  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer s of Summit Valley (Mount Lincoln); Mount Lincoln 2499 Comment
  UCD59738  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  SACT000768  Bromus tectorum Michael Baad 1977-6-8 Placer Forest Hill and French Meadows roadside in serpentine and chaparral community Comment
  UCD22241  Bromus tectorum Rex Palmer 1979-6-21 N 355 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD59772  Bromus tectorum var. glabratus Beecher Crampton 1955-6-15 2873 Placer Bunch Canyon head, 1 mile south of U. S. Hwy. 40 on the Forest Hill Road. Comment
  SACT000772  Bromus tectorum var. tectorum D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000795  Bromus vulgaris D. Meyer 1984-7-29 Placer 1661.0 Comment
  CAS-BOT-BC185465  Calamagrostis canadensis Peter Rubtzoff 1976-9-18 8848 Placer Sierra Nevada. Lake Van Norden. South side of lake. 2063 Comment
  UC1729975  Calamagrostis canadensis L. P. Janeway, Eric Schroder 1998-9-16 6327 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek); Homewood Quadrangle 2124 Comment
  CAS-BOT-BC85754  Calocedrus decurrens G. W. W. 1896-9-1 s.n. Placer Near summit Soda Springs Comment
  POM281959  Calocedrus decurrens Major Irving, Irving 1929-9-17 s.n. Placer Colfax, Sierra Nevada 610 Comment
  CHSC81580  Calochortus albus D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  UCR253531  Calochortus albus George K. Helmkamp, Amy Barnes 2014-4-23 22795 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
  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
  CHSC79867  Calochortus leichtlinii G. F. Hrusa; J. Glazner 1999-7-18 15186 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley. 1905 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
  CAS-BOT-BC490162  Calochortus leichtlinii H. D. Ripley; R. C. Barneby 1948-7-13 9825 a Placer SW. of Emigrant Gap 1676 Comment
  UCR208587  Calochortus minimus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14652 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  CAS-BOT-BC493404  Calochortus monophyllus Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC493408  Calochortus monophyllus Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  RSA537529  Calochortus monophyllus Barbara Ertter, David Thompson 1989-4-9 8178 Placer Shirttail Canyon Road 2.4 miles from Dipper Road, ca 5 air miles NW of Foresthill. 610 Comment
  UC614454  Calochortus monophyllus L. Constance, J. L. Morrison 1938-4-30 2172 Placer e edge Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  UC3442  Calochortus nudus Mrs. M. M. Hardy 1893-1 Placer Comment
  SD237303  Calycadenia multiglandulosa G. K. Helmkamp, E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  UC194211  Calycadenia multiglandulosa John H. Redfield 1892-8-7 179 Placer Dutch Flat Sierra Nevada, Dutch Flat Comment
  CAS-BOT-BC270647  Calycadenia multiglandulosa David D. Keck 1932-6-30 1585 Placer 0.8 mile N of Weimar P.O. 685 Comment
  CDA10572  Calycadenia multiglandulosa K. Connolly, Robin Breckenridge 1992-9-3 Placer Branchwood Road, Foresthill. 0 Comment
  CAS-BOT-BC32900  Calyptridium nudum Charles Frederick Sonne 1885-7-12 39 Placer Sierra Nevada Mts. 2438 Comment
  UC852125  Calyptridium umbellatum A. A. Heller 1917-8-13 12912 Placer Ridge nw of Donner Pass 2346 Comment
  POM71000  Calystegia malacophylla Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD33735  Calystegia malacophylla Beecher Crampton 1972-7-26 8846 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD14647  Calystegia occidentalis subsp. occidentalis Deanna Lynn Pfleger 1989-5-20 4 Placer California, Placer Co.; 20 miles out of the town of Auburn, along Foresthill Road; 1036 Comment
Read comments
Jun 20 2014
  JEPS31616  Calystegia occidentalis subsp. occidentalis Mrs. M. M. Hardy 1893-1 Placer 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
  CAS-BOT-BC493373  Camassia quamash subsp. breviflora Elizabeth Parsons Hawver 1909-6-1 s.n. Placer Tahoe City, Lake Tahoe Region Comment
  JEPS59465  Camassia quamash subsp. breviflora Ezra Brainerd and Viola B. Baird Jun 26 1915-Jul 5 1915 202 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1920 Comment
  CAS-BOT-BC36997  Camelina microcarpa M. S. Jussel 1928-6-25 s.n. Placer Tahoe City. Comment
  POM259053  Camissonia subacaulis J. T. Howell 1938-8-2 13991 Placer 5 miles north of Brockway. 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
  UCR146859  Campanula prenanthoides Beecher Crampton 1956-7-17 3730 Placer Sierra Nevada Mountains, Blue Canyon 1433 Comment
  SEINET10463032  Campanula prenanthoides Carpenter Carpenter s.n. Placer Comment
  UC186790  Cardamine breweri C. F. Sonne 1888-1 Placer Truckee Comment
  UCD22363  Cardamine cordifolia Beth Lowe Corbin 1982-8-19 381 Placer 1 3/4 miles SSW of The Cedars. Partial sun. Common. NE facing slope, 25% incline. In shallow stream in logged whtie fir forest. Flowers white. 1950 Comment
  UCR270279  Cardamine cordifolia John F. Emmel 2002-6-23 1756 Placer Sierra Nevada Mountains, northern Lake Tahoe region, Middle Martis Creek 2195 Comment
  SEINET5341070  Cardamine oligosperma M. Demorest 1962-3-15 s.n. Placer Junction of the North and Middle Forks of the American River, 4 miles from Auburn. 274 Comment
  CAS-BOT-BC259177  Cardamine pensylvanica George K. Helmkamp; E. A. Helmkamp 2012-2-23 18576 Placer Eastern edge Sacramento Valley: 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
  CAS-BOT-BC38117  Cardamine pensylvanica Alice Eastwood 1912-6-15 454 Placer Lake Tahoe Region. Deer Park. Comment
  CDA39224  Cardaria pubescens Keith Kohler 2013-8-5 PDR# 310 P06129936 Placer Vicinity of Truckee; Northstar, Village Walk. 0 Comment
  CDA37681  Carduus nutans Robin Breckenridge 2003-7-25 s.n. Placer Boca Reservoir, Hirschdale. 0 Comment
  UCD42975  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 344 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS99468  Carex amplifolia Steve Matson Jul 2001 494 Placer near junction of gas line forest service road and Griff Creek Tahoe Basin, Griff Creek watershed Comment
  UCD44672  Carex angustata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2038 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
  CHSC74447  Carex athrostachya Susi Urie 1998-9-4 98 -257 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  SEINET4292083 Image available Carex athrostachya L. Janeway, Castro, B 2003-1 7967 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. Comment
  UCD43369  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 737 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR257634  Carex athrostachya George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19530 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  CAS-BOT-BC19395  Carex bolanderi Marcus E. Jones 1882-6-29 3535 Placer Emigrant Gap. Comment
  CAS-BOT-BC19598  Carex brainerdii Lewis S. Rose 1944-7-10 44040 Placer Quail Lake, 3 miles west of Chambers Lodge Lake Tahoe. 2133 Comment
  CHSC85708  Carex brainerdii G. F. Hrusa; J. Glazner 1999-7-17 15184 a Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-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
  OBI49273  Carex feta Lewis S. Rose 1939-6-5 39218 Placer Bear Valley, near Emigrant Gap 1372 Comment
  UC825093  Carex feta Lewis S. Rose 1939-6-5 39217 Placer near Emigrant Gap; Bear Valley 1371 Comment
  CHSC73324  Carex fissuricola L. P. Janeway; Eric Schroder 1998-9-16 6328 Placer 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
  UC1729962  Carex fissuricola L. P. Janeway, Eric Schroder 1998-9-16 6328 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  UCD74072  Carex fracta Jennifer W. Burt 2005-7-11 8 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1986 Comment
  CAS-BOT-BC22173  Carex helleri L. S. Smith 1927-8-12 2225 Placer Squaw Peak Ridge. Top ridge, near pass from American side. 2438 Comment
  CHSC69224  Carex heteroneura var. heteroneura James D. Jokerst 1986-7-12 2696 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  NY11165  Carex integra A. A. Heller 1909-7-16 9841 Placer Summit 2133.6 Comment
  UCD149414  Carex integra G. Ledyard Stebbins 1976-7-6 7692 c Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET10710002  Carex integra Lewis S. Rose 1939-6-5 Rose 39216 Placer Bear Valley, near Emigrant Gamp. 1372 Comment
  SEINET10715385  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-25 Rose 44241 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  UCD43080  Carex leporinella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 448 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44547  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1913 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 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
  UCD75672  Carex microptera Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 252 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2156 Comment
  UCD42976  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 345 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 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
  CDA15924  Carex nebrascensis G. F. Hrusa, J. Glazner 1999-7-17 15175 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74012  Carex nebrascensis Susi Urie 1998-8-18 98 -073 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD43276  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 644 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD75692  Carex pachycarpa Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5141 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
  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
  CDA16984  Carex pellita G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16037 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SEINET7570890 Image available Carex pellita Unknown 2003-8-23 7968 Placer Homewood 7.5' quad, Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake, 3.1 km south-southwest of Barker Pass. 2106 Comment
  UCD43923  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1289 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD43250  Carex praegracilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 619 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET7572177 Image available Carex praegracilis Alice Eastwood, John Thomas Howell 1937-5-8 4363 Placer Between Newcastle and Penryn. Comment
  CDA25018  Carex raynoldsii J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Creek bank betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CDA15952  Carex rossii G. F. Hrusa, J. Glazner 1999-7-17 15138 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET10396639  Carex rossii A. A. Heller 1909-7-16 9853 Placer Summit [Donner Summit] 2134 Comment
  CDA13685  Carex simulata G. F. Hrusa, J. Glazner 1997-8-3 14045 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC74307  Carex simulata Susi Urie 1998-9-2 98 -202 Placer Lake Tahoe Basin Management Unit. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCD43189  Carex simulata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 558 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  RSA20148  Carex stipata Alice Eastwood, John Thomas Howell 1937-5-8 4361 Placer Between Newcastle and Penryn. Comment
  CDA19560  Carex subfusca M. I. Wibawa, G. F. Hrusa (16044), J. Glazner 2002-5-22 215 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
  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
  SEINET4286147 Image available Carex subfusca K. Chung, Matson, S 2009-1 1071 Placer Lake Tahoe, north side. Comment
  UCD43295  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 663 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET7486527 Image available Carex subfusca Peter F. Zika 2010-8-10 25307 Placer above E shore of Truckee River, Route 89, 12 air km NE of , northern Sierra Nevada Highlands (n SNH) 1810 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
  RSA43475  Carex utriculata L. S. Rose 1944-7-25 44244 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UC1133437  Carex utriculata L. S. Smith 1927-8-11 2201 Placer Squaw Valley Tahoe N. F., Truckee Quadrangle 1889 Comment
  UCR219486  Carex utriculata Angela Calderaro 2009-7-8 s.n. Placer Sierra Nevada Mtns., Truckee, near Donner Creek, SE of the intersection of Cosdstream Rd. and Deerfield Dr. 1803 Comment
  CAS-BOT-BC115401  Carex utriculata Catherine Best 1938-8-2 14001 Placer 5 mi N of Brockway 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
  JEPS72455  Cassiope mertensiana subsp. californica Gladys L. Smith 1972-8-25 3438 Placer Below cirque, N face Granite Chief. 2575 Comment
  POM131973  Cassiope mertensiana subsp. californica C. F. Sonne 1897-8-14 s.n. Placer Mt. Anderson Comment
  UCD40883  Castilleja affinis Sutton 1984-5-19 10 Placer Blue Canyon Road, off Hwy 80. 457 Comment
  SCFS1148  Castilleja applegatei E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  RSA569050  Castilleja applegatei subsp. pinetorum Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCR233277  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17685 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road at Foresthill 883 Comment
  SEINET13764202  Castilleja chromosa P. A. Lehenbauer, R. E. L. 1923-6-23 774 Placer Lake Tahoe, [Homewood,] McKinney's Resort. Comment
  UC198548  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198558  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  CDA16053  Castilleja miniata subsp. miniata G. F. Hrusa, J. Glazner 2000-9-3 15660 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CHSC73995  Castilleja miniata subsp. miniata Susi Urie 1998-8-25 98 -095 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD158882  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 s.n. Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD43177  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 546 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR171346  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp 2005-10-1 9985 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
  UCR201514  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14026 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  JEPS86483  Castilleja pruinosa L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6563 Placer ca 5 mi se Donner Lake (w of Tinker Knob, Sherman Chickering's Soda Springs holdings); Sherman Chickering's Soda Springs 2042 Comment
  UCR194930  Castilleja subinclusa subsp. subinclusa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12013 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR228705  Ceanothus William Williams 1986-6-15 s.n. Placer Norden, hill at top of ski lift Comment
  UC2014174  Ceanothus William Williams 1986-6-15 s.n. Placer Placer County: Norden. Hill at top of ski lift. Comment
  UC1281387  Ceanothus X flexilis G. Townsley, H. E. McMinn 1941-8-23 5367 Placer on road to Dutch Flat 1/8 mi n Mote Vista; n of Mote Vista Comment
  UCD143727  Ceanothus arcuatus F. Felix, E. Krimmel 2013-5-26 47 -A Placer North Fork/Chickering American River Reserve. Where Cedar Meadows trail meets Cedar Creek Falls. Comment
  CAS-BOT-BC47860  Ceanothus cordulatus Alice Eastwood 1906-7-23 1045 Placer Glen Alpine Road Comment
  CAS-BOT-BC47896  Ceanothus cordulatus Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  CAS-BOT-BC48711  Ceanothus cordulatus Elizabeth Parsons Hawver s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC48715  Ceanothus cordulatus J. Moffitt 1934-6-12 101 Placer Lambert's Spring, Lake Tahoe Comment
  OBI20163  Ceanothus cordulatus David J. Keil 1978-7-23 12941 Placer Cisco Grove exit from i-80 just E of Nevada Co line 1768 Comment
  SBBG128618  Ceanothus cordulatus G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19222 Placer Devil's Thumb Rd (Deadwood Rd), 1.2 mi S of its jct with Foresthill Rd 1648 Comment
  SEINET4560766  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2012-1 16660 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UC1070972  Ceanothus cordulatus G. T. Nordstrom 1934-6-22 156 Placer 3.5 mi e by se Texas Hill; Colfax quad, Tahoe Nat. For. 1859 Comment
  UCD111389  Ceanothus cordulatus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12055 Placer Northern Sierra Nevada Mountains; along Forest Hill Road, 11.1 miles northeast of Foresthill. 1463 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
  UCD143725  Ceanothus cuneatus F. Felix, E. Krimmel 2013-5-26 46 Placer North Fork/Chickering American River Reserve. 0.2 mile downstream from where Cedar Meadows trail meets Cedar Creek Falls. Comment
  SEINET5339268  Ceanothus cuneatus L. Killinger 1962-3-17 s.n. Placer 3 mi east of Auburn, north fork of the American River. 366 Comment
  UCD123970  Ceanothus cuneatus var. cuneatus D. O. Burge 2009-4-3 1077 c Placer North Fork American River Watershed, Forest Hill Divide, near turn-off for Mammoth Bar OHV Area, Auburn State Recreation Area, roadside on Old Foresthill Road, 1.8 road miles (2.9 km) north-east of intersection with SR 49, 6.1 km 63 deg. (True) ENE of Auburn. 350 Comment
  UCR208585  Ceanothus diversifolius George K. Helmkamp, E. A. Helmkamp 2009-5-11 14654 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  UCD22203  Ceanothus fresnensis Rex Palmer 1979-6-9 N 143 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC50751  Ceanothus integerrimus Amelie Blyth 1952-5-11 9 -3 Placer On road bank, along Auburn-Forest Hill Road, about 14 miles from Forest Hill Comment
  CAS-BOT-BC50752  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  CAS-BOT-BC50755  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  CAS-BOT-BC50762  Ceanothus integerrimus Brandegee 1889-7-1 26 Placer Alta Comment
  UC1602375  Ceanothus integerrimus Katharine Brandegee 1889-7-7 Placer Blue Canyon Comment
  UC1602377  Ceanothus integerrimus Katharine Brandegee 1889-7-7 Placer Blue Canyon Comment
  UC870581  Ceanothus integerrimus C. L. Hitchcock 1940-5-7 6336 Placer 1 mi w Baxter Comment
  UC870582  Ceanothus integerrimus C. L. Hitchcock 1940-5-7 6354 Placer ca 1 mi w Baxter Comment
  UCD111956  Ceanothus integerrimus Eric Brenner; John Hunter 1996-5-26 026 Placer Tahoe National Forest, Mosquito Ridge Rd. 1280 Comment
  UCD111975  Ceanothus integerrimus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12066 Placer Northern Sierra Nevada Mountains: Sugar Pine road, 0.2 mile northwest of Forest Hill Road. 1360 Comment
  UCD22197  Ceanothus integerrimus Beth Lowe Corbin 1982-8-2 160 Placer Onion Creek Campground. S facing slope. Infrequent. Mostly sun. Opening in mixed conifer forest on fine, sandy, granitic soil. Deciduous shrub about 2 ft tall, with white flowers. 1841 Comment
  UCR146864  Ceanothus integerrimus Beecher Crampton 1973-10-2 9021 Placer Sierra Nevada Mountains, 1 mile east of Baxter 1280 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
  UCR47951  Ceanothus integerrimus var. californicus Susan Dakuzaku 1975-5-24 57 Placer Near intersection of Auburb-Foresthill Road and Spring Garden Road 915 Comment
  SACT002935  Ceanothus integerrimus var. californicus Josephine Van Ess 1979-5-9 Placer Collected below railroad bridge near highway 49, beside American River. Rocky, sunny river bank, near stream. Comment
  CAS-BOT-BC51037  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1917-6-16 12679 Placer near Dutch Flat 914 Comment
  CAS-BOT-BC51038  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1917-6-16 12679 Placer near Dutch Flat 914 Comment
  POM260024  Ceanothus lemmonii C. L. Hitchcock 1940-5-7 6327 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC63351  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63352  Ceanothus prostratus Mary Elizabeth Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63355  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  UC634807  Ceanothus prostratus Herbert L. Mason 1926-5-29 3289 Placer Donner Pass Road 3 1/10 mi e Crystal Springs; Donner Pass Road, e of Crystal Springs Comment
  UCD112646  Ceanothus prostratus Beecher Crampton 1956-7-17 3732 Placer Placer County, 1.5 miles north of Blue Canyon. 1524 Comment
  SBBG68544  Ceanothus prostratus var. prostratus M. N. Ackley -Jun-1925 921 Placer Gold Run 983 Comment
  UC1071435  Ceanothus tomentosus B. Bolt 1934-7-4 79 Placer Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UC634570  Ceanothus tomentosus H. L. Mason 1926-5-29 3286 Placer Donner Pass Road near Alta; Donner Pass Road near Alta Comment
  RSA0028383  Ceanothus tomentosus Fay A. MacFadden 1934-3-31 12486 Placer Near Monte Vista Inn. Comment
  UCD112836  Ceanothus velutinus T. I. Storer 1925-7-23 543 Placer Lake Tahoe. Comment
  UCD22209  Ceanothus velutinus Rex Palmer 1979-5-26 N 5 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  CAS-BOT-BC63179  Ceanothus velutinus var. velutinus Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe. 1889 Comment
  CDA1097  Centaurea maculosa Stark, Kerr 1998-9-17 PDR# 1142330 Placer Homewood; Tahoe Ski Bowl. 0 Comment
  CDA7269  Centaurea maculosa T. C. Fuller 1965-8-1 13942 Placer Sierra Nevada; Sierra Nevada. South side of the westbound lanes of Interstate 80 freeway, 1.4 miles east of Emigrant Gap. Comment
  UC1980588  Centaurium tenuiflorum C. Rose Broome 1978-8-2 2308 Placer 2.1 mi S of Old Auburn on Auburn-Folsom Highway. Comment
  UC88950  Centromadia fitchii Mrs. K. Curran 1888-9-1 Placer Dutch Flat Comment
  UCD130210  Centromadia pungens R. Tofsrud Date Unknown s.n. Placer County Unknown. Comment
  SEINET6166154  Cephalanthera austiniae M. J. Williams 1984-6-24 84- 62 -2 Placer Skillman Flat Campground, near Highway 20 1341 Comment
  CAS-BOT-BC26225  Cerasus kelloggiana Marcus E. Jones 1882-5-28 2693 Placer Emigrant Gap Comment
  RSA0005546  Cerasus kelloggiana Marcus E. Jones 1882-6-28 2693 Placer Emigrant Gap. Comment
  SEINET7347793  Cercis canadensis J. Martin 1959-3-20 s.n. Placer 5 miles west of Colfax on US highway 40, then on a secondary road north 2 miles 366 Comment
  CAS-BOT-BC136990  Cercocarpus betuloides var. betuloides Mary E. Jump 1939-5-15 s.n. Placer Road to Foresthill Comment
  CAS-BOT-BC276717  Chaenactis douglasii var. douglasii Lewis S. Rose 1944-7-22 44213 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CDA15652  Chaenactis douglasii var. douglasii G. F. Hrusa, J. Glazner 1999-7-18 15187 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CAS-BOT-BC276712  Chaenactis douglasii var. douglasii Greg de Nevers 1991-7-24 9761 Placer Ward Creek Valley, S of Sunnyside 1950 Comment
  JEPS59467  Chaenactis douglasii var. douglasii Ezra Brainerd and Viola B. Baird 1915-7-27 204 Placer Bear Rock Sierra Nevada Mts., Truckee River 1889 Comment
  SEINET9341069  Chaenactis douglasii var. douglasii Unknown 1967-9-3 6790 Placer Placer Comment
  NY163286  Chaenactis rubricaulis H. A. Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada 1970 Comment
  CAS-BOT-BC141723  Chamaebatia foliolosa C. B. Wolf 1931-9-11 1299 Placer 1 mile west of Gold Run - Sierra Nevada 914 Comment
  RSA122278  Chamaebatia foliolosa G. T. Nordstrom 1934-6-20 126 Placer At Mammoth Springs. 1677 Comment
  UC859465  Chamaebatia foliolosa Marcus E. Jones, A. M. 1882-6-28 3297 Placer Emigrant Gap Comment
  UCD16126  Chamaebatia foliolosa Gregory Brickner 1984-5-12 27 Placer California. Placer County: off Forest Hill Rd. 5 mi E of Auburn. 438 Comment
  UCR191059  Chamaebatia foliolosa George K. Helmkamp, E. A. Helmkamp 2007-5-23 12051 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  JEPS111230  Chamaesaracha nana Steve Matson 2005-6-5 1246 b Placer Southeast of Truckee, Martis Creek Wildlife Area; south of Highway 267, north of creek, ca. 300 meters east of Parking Area on pathway. 39.3019 N, 120.1264 W. Elevation 5,830 ft. 1777 Comment
  UC103955  Chamaesaracha nana C. F. Sonne Aug 1897 Placer above Coldstream; Sierra Nevada Mountains Comment
  CDA4783  Chamaesyce nutans T. C. Fuller 1964-9-1 12566 Placer Sierra Nevada; North side of Auburn Avenue at Castle Street, Colfax. Comment
  CDA35254  Chamaesyce ocellata T. C. Fuller 1958-7-7 1998 Placer 2 miles north of Roseville. 0 Comment
  UC128212  Chamaesyce serpyllifolia Miss Harriet A. Walker 1908-7-25 1390 Placer Cisco 1810 Comment
  UC567054  Chamaesyce serpyllifolia B. Bolt 1934-7-22 160 Placer Chicken Hawk Camp 1280 Comment
  UCD33725  Chamerion angustifolium Beecher Crampton 1972-7-26 8830 Placer Ca. 3 miles east of Baxter on Hwy. 80 E. 1524 Comment
  SBBG60190  Chamerion angustifolium unknown 1895-1 Placer American River Comment
  CAS-BOT-BC70196  Cheilanthes gracillima Geo. B. Grant 1906-7-15 7143 Placer About Lake Tahoe 2438 Comment
  CHSC32988  Cheilanthes gracillima Paula J. Minton 1980-4-5 1 Placer 1/2 mi n of North Fork Dam of the North Fork of the American River, Auburn. 472 Comment
  SEINET3153750  Cheilanthes gracillima G. B. Grant 1906-7-15 7143 Placer About Lake Tahoe 2438 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
  UC73896  Chenopodium pumilio J. Burtt Davy Jun 25 1897-Jun 30 1897 3176 Placer Truckee River Basin Comment
  CAS-BOT-BC451417  Chimaphila menziesii Belle R. Jackson 1927-6-1 s.n. Placer Dutch Flat Comment
  UC1120955  Chimaphila umbellata G. T. Nordstrom 1934-6-18 108 Placer n. slope Texas Hill (Plot 201); Tahoe Nat'l Forest, Colfax Quad. 1584 Comment
  UCD57931  Chloris verticillata Beecher Crampton 1967-8-21 8178 Placer Interstate Hwy. 80 W, Douglas Blvd. exit, 1.5 miles SSE Roseville. Comment
  UCD57932  Chloris verticillata Beecher Crampton 1967-8-21 8177 Placer Interstate Hwy. 80 E, Cirby Way exit, 1.5 miles southeast Roseville. Comment
  CAS-BOT-BC497624  Chlorogalum angustifolium John Thomas Howell; Gordon H. True 1971-5-26 47627 Placer Northern limits of Lincoln 48 Comment
  UCR215903  Chlorogalum pomeridianum George K. Helmkamp, Amy Barnes 2009-7-12 15172 Placer Sierra Nevada Mountains Foothills, along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  CDA39021  Chondrilla juncea D. G. Kelch 2011-10-2 11 .814 Placer Gold Run rest stop. Comment
  CDA36758  Chondrilla juncea D. B. Joley 1976-4-22 14 Placer Loomis area. 0 Comment
  CDA7391  Chondrilla juncea T. C. Fuller 1965-10-15 14210 Placer Bluff above Horseshoe Bar, Folsom Lake, east end of Horseshoe Bar Road. Loomis District. 0 Comment
  SEINET13331376 Image available Chondrilla juncea P. C. Martinelli, A. L. Rivers, R. Uriarte 1965-10-29 s.n. Placer Horseshoe Bar Road, Folsom Lake Comment
  CAS-BOT-BC36363  Chrysolepis sempervirens John Thomas Howell 1943-7-25 18810 Placer West side of Donner Pass near Norden 2133 Comment
  UC1135238  Chrysolepis sempervirens N. French 1933-7-14 87 Placer Greek Store; Tahoe National Forest, Colfax Quad. 1676 Comment
  SEINET7883463 Image available Chrysothamnus nauseosus Lewis S. Rose 1938-1 38258 Placer South Fork of Yuba River, Cisco. Alt. 5300 ft. 1615 Comment
  POM352123  Cichorium intybus Wm Martin 1971-9-10 20206 Placer Vicinity of Applegate, 7 miles E of Auburn. Comment
  UC1119744  Cichorium intybus N. French 1933-6-26 83 Placer Clipper Gap Comment
  UCR231867  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17018 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-BC190016  Cinna latifolia Bolander 1869-6-1 s.n. Placer Bear Valley Emigrant Station. Comment
  UCD59792  Cinna latifolia L. S. Smith 1915-8-15 s. n. Placer Deer Creek, Lake Tahoe, Squaw Valley. Comment
  UCD21997  Circaea alpina subsp. pacifica Beth Lowe Corbin 1982-8-6 261 Placer 1/8 mile W of Onion Creek campground. In fine, sandy soil along stream's edge. Flowers white. Mostly shade. SW facing slope, 10% incline. Uncommon. 1844 Comment
  UCD107267  Cirsium andersonii Chuck Hughes 2010-7-13 234 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  SEINET7451058 Image available Cirsium andersonii F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe 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
  UCD43240  Cirsium occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 609 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC285518  Cirsium occidentale var. candidissimum Nora Pettibone; Frank W. Hubby 1892-8-1 s.n. Placer Lake Tahoe 1828 Comment
  CAS-BOT-BC439032  Cistanthe monosperma Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC228891  Cistanthe umbellata A. A. Heller 1927-8-16 14448 Placer Near the summit of Donner Pass Comment
  CAS-BOT-BC228892  Cistanthe umbellata E. R. Blakley 1960-9-4 3823 Placer Hill one mile north of Carnelian Bay, Lake Tahoe 2072 Comment
  RSA25331  Clarkia arcuata C. L. Hitchcock 1940-5-15 6410 Placer 6 miles N of Colfax 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
  UCD104314  Clarkia biloba F. A. MacFadden 1934-7-3 s.n. Placer Near Bear River on road from Dutch Flat. Comment
  UCD104352  Clarkia biloba subsp. brandegeeae K. O'Keefe 1995-6-4 s.n. Placer East edge of Old Forest Road, 2 miles from Forest Hill Road. Western Sierra foothills, NE of Auburn. 450 Comment
  UCR233229  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2011-7-9 17689 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 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
  UC1122445  Clarkia rhomboidea B. Bolt 1934-7-4 76 Placer Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UC422927  Clarkia unguiculata W. W. Mackie 1904-4 Placer Newcastle Comment
  UCD105054  Clarkia unguiculata G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10710 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
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May 6 2016
  UCD150639  Clarkia xantiana Barbara Rodeheaver 1973-5-27 87 Placer Two miles E intersection Hwy. 49 on Foresthill Rd. 457 Comment
  CAS-BOT-BC451736  Claytonia lanceolata Betty H. Jorgensen 1944-6-24 490 Placer Cascade Lakes about 6 miles S.W. of Soda Springs Comment
  CHSC85718  Claytonia lanceolata G. F. Hrusa 1995-5-2 12181 Placer Sierra Nevada. At edge of snowbank, near intersection of Mosquito Ridge Rd. and Jarvis Rd. on spur to Placer Redwood Grove. [Lat./long. on label is '39 1 N; 120 41 W']. 1650 Comment
  SD237576  Claytonia parviflora subsp. grandiflora G. K. Helmkamp, E. A. Helmkamp 2012-5-5 18919 Placer Northern Sierra Nevada Mountains Foothills: Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mile SE (123a^z) of Clementine Dam on the American River (Auburn 7.5'Q) 395 Comment
  UCR253533  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Amy Barnes 2014-4-23 22797 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
  SEINET5727675 Image available Claytonia perfoliata Nancy Carlsen 1971-1 21 Placer Rollins Lake Road at Rollins Lake, 3 miles north of Interstate Highway 80, on west side of road, north of the lake.; Rollins Lake Comment
  UCR234215  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2011-4-10 17173 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  CAS-BOT-BC91459  Clematis lasiantha Ted Niehaus 1959-4-19 76 Placer Side canyon feeding into north fork of American River, 10 miles northwest of Foresthill on Shirttail Road to Colfax. Comment
  UC1540469  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer 6 1/2 mi. s.e. Loomis (between Folsom and Auburn) 152 Comment
  UCD41456  Collinsia Ellen Dean; Davis Botanical Society 2003-5-17 1759 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main Street. 1066 Comment
  UC138744  Collinsia heterophylla Anna King 1902-5-11 Placer Newcastle Comment
  UC885576  Collinsia parviflora A. A. Heller 1917-6-17 12715 Placer below Cisco (near Yuba River) 1676 Comment
  UC26648  Collinsia sparsiflora var. collina H. N. Bolander 1865-4-10 4507 Placer Auburn Comment
  UC885623  Collinsia sparsiflora var. collina C. L. Hitchcock 1940-5-14 6396 Placer ca. 6 mi n Colfax (Meier Ranch) 762 Comment
  UCR233275  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2011-7-9 17687 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  SEINET8731914 Image available Collinsia torreyi L. S. Rose 1941-1 41320 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  JEPS7270  Collinsia torreyi var. brevicarinata L. S. Smith 1925-6-23 1645 Placer Blackwood Canyon; Tahoe Forest 1981 Comment
  UC614926  Collinsia torreyi var. torreyi Beryl O. Schreiber 1933-7-21 902 Placer near Mount Ellis Trail above Homewood (Lake Tahoe); Lake Tahoe Comment
  UC1518798  Collomia grandiflora Fay A. Macfadden 1934-6-28 12711 Placer Dutch Flat Comment
  SBBG18821  Collomia heterophylla C. B. Hardham 1961-6-14 7359 Placer Baxter, US Hwy 40 Comment
  SBBG58196  Collomia heterophylla M. N. Ackley -Jun-1925 803 Placer Towle 1127 Comment
  JEPS127421  Collomia linearis Steve Matson 2003-6-29 819 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 yards north of Highway 257 and along Martis Creek. Comment
  JEPS71068  Collomia tinctoria L. S. Smith 1925-7-14 1680 A Placer French Meadows Tahoe National Forest, Middle Fork American River 1828 Comment
  JEPS127488  Convolvulus arvensis Steve Matson 2002-7-9 475 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, along dirt road east of Martis Creek. Comment
  HSC26671  Conyza canadensis Thomas W. Nelson 1972-11-25 707 Placer Beside Del Oro Rd., near Roseville, CA Comment
  UCR257639  Conyza canadensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20017 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  UCD15607  Corallorhiza maculata Lisa Montany 1985-5-18 25 Placer Mosquito Ridge Rd, 18.6 miles west of Forest Hill Rd. Comment
  SEINET12077097  Corallorhiza maculata J. H. Nishida 1985-1 770 Placer Homewood 1829 Comment
  UCD123119  Cordylanthus tenuis P. Rodriguez-Rojo; D. Sanchez-Mata 1997-8-8 Placer Tahoe National Forest. Todd Valley-Forest Hill. Forest Hill Rd. 850 Comment
  SEINET2441557  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5' Q.). 1662 Comment
  SEINET3386356 Image available Cordylanthus tenuis subsp. tenuis G. K. Helmcamp, E. A. Helmkamp 2006-8-11 11212 Placer Northern Sierra Nevada Mtn Foothills: along Forest Hill Rd, 8.7 mi NE of Forest Hill 1311 Comment
  UCD123162  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. 1311 Comment
  JEPS7086  Cordylanthus tenuis subsp. tenuis Rimo Bacigalupi with Lincoln Constance and Eugene Nasir 1953-9-8 4355 Placer 1 mi se Dutch Flat (between Dutch Flat and Alta) 1036 Comment
  RSA412351  Cordylanthus tenuis subsp. tenuis Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CAS-BOT-BC209870  Cornus nuttallii G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CDA19553  Cornus nuttallii M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 227 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
  SEINET6744638  Cornus nuttallii Marcus E. Jones 1882-1 3304 Placer Emigrant Gap Comment
  CDA12394  Cornus sericea G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8522 A Placer Lake Tahoe; N side of Ward Valley, 4 mi SW Tahoe City. Comment
  RSA750430  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2008-8-20 14020 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  SD43764  Cornus sessilis Darley F. Howe 1948-5-22 1924 Placer 1220 Comment
  JEPS126259  Corydalis caseana subsp. caseana Steve Matson 2002-5-26 636 Placer Tahoe north shore; above Tahoe City; south side of Antone Meadows. Comment
  UC9955  Corydalis caseana subsp. caseana C. F. Sonne June 1887 Placer ravine on Truckee R. Truckee R. Comment
  CAS-BOT-BC427925  Crassula solieri Gordon H. True 1971-4-9 6458 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC290351  Crepis acuminata Geo. B. Grant 1906-7-15 7020 Placer Tahoe Tavern, Lake Tahoe Comment
  SJSU2563  Crepis intermedia N. D. Addy 1962-7-8 Placer entrance to Desolation Valley Wild Area W of Fallen Leaf Lake 2072 Comment
  UC895336  Crepis occidentalis Marcus E. Jones, A. M. 1882-6-30 2784 Placer Emigrant Gap Comment
  CAS-BOT-BC383031  Crepis occidentalis subsp. conjuncta Marcus E. Jones 1882-6-30 2784 Placer Emigrant Gap Comment
  UCD43032  Cryptantha C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 401 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CDA15951  Cryptantha affinis G. F. Hrusa, J. Glazner 1999-7-17 15136 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS111180  Cryptantha affinis Steve Matson 2005-6-19 1304 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  UC857053  Cryptantha ambigua unknown 1286 Placer Summit Station 2121 Comment
  UCR208604  Cryptantha flaccida George K. Helmkamp, E. A. Helmkamp 2009-5-7 14613 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  CAS-BOT-BC218774  Cryptantha humilis D. S. Smith 1928-6-27 2419 Placer Tahoe [National] Forest. Above Deer Park on ridge 2286 Comment
  CAS-BOT-BC68070  Cryptogramma acrostichoides G. W. Dunn 1895-9-14 s.n. Placer Summit Comment
  CAS-BOT-BC224541  Cuscuta californica Beecher Crampton 1977-7-2 9512 Placer 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road Comment
  JEPS126373  Cuscuta californica var. californica Steve Matson 2003-9-6 952 Placer nSNH: Truckee River watershed, SW of Truckee; Alpine Meadows Ski Area 50 yards SE of Kangaroo Chairlift to tower. Comment
  SBBG115820  Cynodon dactylon B. Crampton 1965-9-13 7493 Placer Gold Run, Interstate 80 975 Comment
  UC193939  Cynoglossum occidentale C. F. Sonne 1887-7-10 Placer between Truckee and Tahoe (on rd. to Tahoe) Comment
  SACT000849  Cynosurus echinatus D. Meyer 1983-7-24 Placer Moist shady roadside. 1036.32 Comment
  UCD124127  Cyperus niger Ellen Dean; Marcel Rejmanek 2012-10-9 7501 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD54577  Cyperus niger Ellen Dean; Tammie Beyerl 2006-1-11 2771 Placer NW part of town of Auburn, north of municipal airport and south of Dry Creek Rd. 435 Comment
  CHSC74016  Cyperus squarrosus Susi Urie 1998-8-17 98 -053 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC1100631  Cyperus strigosus Malcolm A. Nobs and S. Galen Smith 1949-8-22 1544 Placer at s.w. city limits Roseville Comment
  POM113017  Dactylis glomerata Marcus E. Jones 1882-5-27 s.n. Placer Emigrant Gap [county not indicated on specimen label] Comment
  POM364994  Dactylis glomerata L. S. Rose 1944-7-12 44092 Placer Chambers Lodge, Lake Tahoe 1921 Comment
  SACT000888  Danthonia californica D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  CHSC74038  Danthonia californica var. americana Susi Urie 1998-8-26 98 -105 Placer Lake Tahoe Basin-National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD61008  Danthonia californica var. americana E. Wilson 1935-8-11 s. n. Placer Cisco Grove. Comment
  UCR258210  Daucus carota George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20046 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  CHSC67691  Delphinium depauperatum James D. Jokerst 1986-7-13 2738 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap' on trail. Comment
  JEPS59472  Delphinium depauperatum Viola B. Baird 1915-7-28 212 Placer Sheep Meadow above Bear Rock 2164 Comment
  SCFS1167  Delphinium glaucum E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  UCD22183  Delphinium glaucum Rex Palmer 1979-7-25 N 673 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD42996  Delphinium glaucum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 365 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC8776  Delphinium gracilentum E. K. Balls; L. W. Lenz 1955-5-12 20472 Placer Foothill Wd., 0.8 mi. W of El Dorado-Placer Co. line, Hwy. 49 to Auburn 365 Comment
  CAS-BOT-BC8824  Delphinium gracilentum f. versicolor L. S. Smith 1927-8-5 2154 Placer Robertson Flat on Forest Hill 2346 Comment
  CAS-BOT-BC116088  Delphinium nuttallianum A. A. Heller 1919-7-26 13311 Placer Summit meadows west of Donner Pass. 2072 Comment
  CAS-BOT-BC116091  Delphinium nuttallianum A. A. Heller 1917-6-17 12700 Placer Near the Yuba river below Cisco. 1676 Comment
  UC854218  Delphinium nuttallianum A. A. Heller 1917-6-17 12700 Placer near river below Cisco; Yuba river 1676 Comment
  CHSC24727  Delphinium patens subsp. patens T. C. English 1976-4-18 37 Placer N. Fork American River, 100 yds. S. Hwy 49 1 mi. E. Auburn City Limits. Comment
  CAS-BOT-BC121998  Delphinium variegatum Gordon H. True 1971-4-9 6459 Placer Northern limits of Lincoln 48 Comment
  UC726269  Delphinium variegatum subsp. variegatum A. A. Heller 1940-4-20 15540 Placer along US Hwy 99E 2 mi s Sheridan Comment
  UC112869  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer Magra Station Comment
  OBI22301  Deschampsia cespitosa Robert F. Hoover 1967-9-7 10859 Placer Antone Meadow Comment
  SACT000904  Deschampsia cespitosa D. Meyer 1984-9-23 Placer Rocky creekbed, very wet. 1939.0 Comment
  UCD43044  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 413 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43275  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 643 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43363  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 731 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43830  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1196 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44442  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1808 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD75729  Deschampsia cespitosa Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5168 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
  SEINET10967711  Deschampsia cespitosa Lewis S. Rose 1946-6-23 Rose 46175 Placer Rainbow, n. of Cisco. 1737 Comment
  UCD21604  Deschampsia cespitosa subsp. cespitosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1269 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  RSA187451  Deschampsia danthonioides Le Roy Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  SACT000917  Deschampsia danthonioides Michael Baad 1983-8-27 Placer On trail between lakes. 2072.64 Comment
  UCD43252  Deschampsia danthonioides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 621 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET10966581  Deschampsia danthonioides Lewis S. Rose 1946-6-23 Rose 46199 Placer Rainbow, n. of Cisco. 1737 Comment
  SACT000937  Deschampsia elongata Michael Baad 1983-9-3 Placer From Sprite Inn to Western slope of Mount Judah near summit 2286.0 Comment
  SACT000959  Deschampsia elongata D. Meyer 1984-6-3 Placer 1.6 km north of Applegate, shady oak woodland, moist area. 606.0 Comment
  CDA15669  Descurainia californica G. F. Hrusa, J. Glazner 1999-7-18 15216 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CDA12386  Descurainia incana G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8514 a Placer Lake Tahoe; Upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCSB32011  Descurainia incisa 1885-06 Placer Sierra Nevada Mountains Comment
  UCD43031  Descurainia pinnata subsp. intermedia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 400 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR208609  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14664 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  SDSU7279  Dicentra formosa D. R. Harvey 1960-5-29 Placer Between Forest Hill & Colfax. Comment
  CAS-BOT-BC402447  Dicentra formosa subsp. formosa Mrs. Chas. E. Miller 1916-8-30 s.n. Placer Emigrant Gap Comment
  SEINET5339615  Dicentra formosa subsp. nevadensis B. M. Cunningham 1960-5-6 s.n. Placer At the Monte Viste Inn on highway 0. 1524 Comment
  CAS-BOT-BC402584  Dicentra uniflora Elizabeth McClintock; Wayne Roderick 1968-5-17 s.n. Placer Cisco Grove, northern Placer County Comment
  RSA677156  Dichanthelium acuminatum Beecher Crampton 1975-9-9 9279 Placer Gold Run rest area on Hwy 80 915 Comment
  UCD139236  Dichelostemma capitatum Craig P. Martz 1982-3-7 13 Placer on Sierra College Blvd., 2.3 miles north of Douglas Blvd. intersection. 140 Comment
  UCR207890  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14573 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  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
  SEINET8472301  Dichelostemma capitatum subsp. capitatum C. Bell 1962-3-17 34 Placer 2 miles E of Auburn, bank of North Fork of American River. 244 Comment
  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
  SEINET8472326  Dichelostemma capitatum subsp. capitatum H. R. Holbo 1961-3-18 s.n. Placer Hwy 49 at North Fork of American River. 457 Comment
  UCD15480  Dichelostemma multiflorum Robert Burke 1984-5-26 21 Placer 16 miles E of Forest Hill Rd on F.S. 97. 1280 Comment
  UCR193354  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12181 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  SDSU11640  Dichelostemma multiflorum D. F. Howe 1948-5-20 1899 Placer 457 Comment
  CAS-BOT-BC290948  Dieteria canescens var. shastensis Alice Eastwood 1909-1-1 248 Placer Lake Tahoe Region. Deer Park Comment
  UC912550  Dieteria canescens var. shastensis H. L. Mason 1932-9-9 7179 Placer Truckee Junction Comment
  UCD32978  Digitaria ischaemum Beecher Crampton 1965-9-13 7498 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  CHSC99882  Diplacus grandiflorus Beecher Crampton 1955-6-15 2893 Placer 8.5 miles west of Iowa Hill. bottom of Shirttail Canyon. Comment
  CAS-BOT-BC208628  Distichlis spicata Beecher Crampton 1957-7-17 3721 Placer Along the railroad, Blue Canyon. 1432 Comment
  UCD53912  Dittrichia graveolens A. M. Shapiro 2004-11-1 s.n. Placer Colfax, construction site opposite 148 Whitcomb St. Comment
  SEINET8552891  Dodecatheon alpinum C. Troupe 1960-3-19 s.n. Placer North Fork American River, 3 miles S of Auburn. 396 Comment
  SEINET8561728  Dodecatheon hansenii J. Elder 1961-3-18 s.n. Placer 5 miles SE of Auburn. 366 Comment
  UCR198045  Dodecatheon hendersonii Phyllis Adams 1982-4-20 10 Placer American River Canyon near the town of Auburn 396 Comment
  UC914245  Dodecatheon hendersonii Verne Grant, Alva Grant 1946-3-10 7683 Placer on Lincoln Road e Loomis (gentle n slope); e of Loomis Comment
  UC766287  Downingia bicornuta var. picta R. F. Hoover 1939-5-10 4091 Placer Lincoln Comment
  JEPS14478  Downingia cuspidata R. E. Arp 1932-4-18 7 Placer Roseville Comment
  UCD44469  Draba lonchocarpa var. lonchocarpa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1835 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
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Feb 22 2009
  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
  SD243155  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2010-8-14 16777 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. Wet area shaded by a rock bank. 1552 Comment
  UC880656  Draperia systyla Marcus E. Jones, A. M. 1882-6-29 2815 Placer Emigrant Gap Comment
  UCD22031  Draperia systyla Beth Lowe Corbin 1982-8-11 316 Placer 1 2/3 miles SW of Onion Creek campgound. Mostly shade. SE facing slope, 30% incline. Uncommon. Mostly shade. Low, spreading perennial. Flowers whitish. In rocky, fine, sandy soil. 1889 Comment
  SEINET7249205  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  CAS-BOT-BC401541  Drosera rotundifolia C. F. Sonne 1886-8-8 107 Placer Sierra Nevada Mts. Canyon above Coldstream 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
  CAS-BOT-BC527343  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer Near Dutch Flat 914 Comment
  UC66117  Drymocallis hansenii P. B. Kennedy 1901-8-18 417 Placer 7 mi from French Meadows; 7 mi from French Meadows Comment
  SCFS1107  Drymocallis lactea E. Krimmel 2013-6-2 Placer On cliffs beside NF American River, 1/2-mile below Soda Springs road Comment
  CAS-BOT-BC157893  Drymocallis lactea var. lactea Alice Eastwood 1909-1-1 21 Placer Lake Tahoe Region. Sunnyside Comment
  UCD149382  Dulichium arundinaceum G. Ledyard Stebbins 1969-7-20 6946 Placer South of North Fork of the American River. Sailor Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD124141  Dysphania chilensis Ellen Dean; Davis Botanical Society members 2012-10-13 7515 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. Comment
  UCD98826  Dysphania pumilio Clarence R. Quick 1962-11-2 62- 92 Placer Badger Hill plantation north of Camino Eldorado National Forest. 1021 Comment
  SACT001038  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-7-8 Placer Collected .25 miles north of Roseville Waterworks. Moist ditch. Comment
  CAS-BOT-BC113605  Eleocharis acicularis Ira L. Wiggins 1933-8-21 6787 Placer Shores of Lake Tahoe, near Tahoma Comment
  CAS-BOT-BC113434  Eleocharis bella Marcus E. Jones 1882-6-29 2905 Placer Emigrant Gap Comment
  CHSC82701  Eleocharis bella Lowell Ahart 2002-7-22 9909 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  CAS-BOT-BC113469  Eleocharis bella John Thomas Howell 1938-8-2 13992 Placer 5 miles N of Brockway Comment
  UCD163103  Eleocharis engelmannii var. engelmannii Robert E. Preston 2014-5-12 2962 Placer 2.1 mi SE of Sheridan, E of Old Hwy 65, S of Yankee Slough. 36 Comment
  CHSC74317  Eleocharis quinqueflora Susi Urie 1998-8-29 98 -169 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  SACT001061  Elymus caput-medusae D. Meyer 1983-7-16 Placer 1212.0 Comment
  SACT001070  Elymus elymoides James Grove 1977-7-15 Placer Slopes of Granite Chief, Emigrant Gap, and Lyon Peak. 609.0 Comment
  UCD22217  Elymus elymoides Rex Palmer 1979-7-26 N 849 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD61593  Elymus elymoides R. Tofsrud 1951-7-1 Placer Hwy 40, above Baxter, 3/4 mi. below drinking station. Comment
  UCD44557  Elymus elymoides subsp. californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1923 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44638  Elymus elymoides subsp. elymoides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2004 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA36869  Elymus glaucus CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  RSA129234  Elymus glaucus G. T. Nordstrom 1934-6-21 141 Placer 3/4 mile W. of Mammoth Springs; Colfax 1677 Comment
  SACT001088  Elymus glaucus D. Meyer 1984-6-17 Placer 667.0 Comment
  UCD22250  Elymus glaucus Rex Palmer 1979-7-12 N 615 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43242  Elymus glaucus subsp. glaucus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 611 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR218234  Elymus glaucus subsp. glaucus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16436 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  SACT001138  Elymus glaucus subsp. jepsonii D. Meyer 1984-6-23 Placer Along Placer County-Nevada County line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  UCR249605  Elymus glaucus var. glaucus George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20834 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  JEPS45876  Elymus sierrae L. S. Smith 1928-7-18 2378 b Placer Tahoe <National> Forest; along Whiskey Creek trail above camp 2133 Comment
  SACT001149  Elymus sierrae James Grove 1977-7-15 Placer 2000.0 Comment
  UCD44628  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1994 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD96751  Enemion occidentale Ted Niehaus 1959-4-19 79 Placer 12 miles northwest of Foresthill on Shirttail Road to Colfax. Comment
  UCR207109  Epilobium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15233 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  CAS-BOT-BC523896  Epilobium angustifolium subsp. circumvagum George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19815 Placer Northern Sierra Nevada Mountains: along Forest Hill Rd, 10.8 mi NE of Hidden Treasure Rd, 0.75 mi SE of Whisky Hill 1697 Comment
  UCD150706  Epilobium brachycarpum James A. Neilson Jr. 1971-7-12 2339 Placer Tahoe Basin, Homewood. 1914 Comment
  CAS-BOT-BC171975  Epilobium canum subsp. latifolium G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; Juan Hunziker; Howard Stutz; Daniel Zohary 1952-7-19 3859 Placer Rock outcropping just above torrent of main stream, North Fork of American River, below Cape Horn sta. on S.P.RR, 1/2 mile above bridge on colfax - Iowa Hill Road 381 Comment
  POM83379  Epilobium canum subsp. latifolium Robert Kessler s.n. Placer Lake Tahoe region Comment
  UCD105596  Epilobium canum subsp. latifolium G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, et al. 1952-7-20 5133 Placer Along Shirttail Creek, just above its junction with N Fork American River, along road from Colfax to Forest Hill. Comment
  UCD150712  Epilobium canum subsp. latifolium James A. Neilson Jr. 1970-8-5 1745 Placer Tahoe Basin, South Ward Valley, north side. 2286 Comment
  UCD150699  Epilobium ciliatum James A. Neilson Jr. 1970-7-16 1543 Placer Tahoe Basin, N. Ward Creek. 2005 Comment
  UCD75764  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5236 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  UCR226132  Epilobium ciliatum Ellen Dean, Mark Bibbo, J. Poloske, M. Starbuck 2008-7-20 5237 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon 2100 Comment
  CHSC72877  Epilobium ciliatum subsp. ciliatum L. P. Janeway; Eric Schroder 1998-7-13 5745 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  POM46188  Epilobium ciliatum subsp. ciliatum I. E. Diehl 1902-7-7 s.n. Placer Colfax. Comment
  SEINET12874313  Epilobium ciliatum subsp. ciliatum P. A. Lehenbauer 1932-8-28 s.n. Placer Cisco Camp Comment
  UCR257720  Epilobium ciliatum subsp. glandulosum George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20037 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CDA25001  Epilobium densiflorum J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC74227  Epilobium hallianum Susi Urie 1998-8-29 98 -150 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 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
  JEPS59476  Epilobium hallianum Ezra Brainerd and Viola B. Baird 1915-7-12 218 Placer Donner Lake Sierra Nevada Mts. 1828 Comment
  UC170075  Epilobium hallianum Miss Helen D. Geis Jun 1 1912-Jul 1 1912 130 Placer Deer Park Comment
  UCD42802  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 168 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44006  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1372 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44434  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1800 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC66584  Epilobium obcordatum P. B. Kennedy and S. B. Doten 1901-8-10 276 Placer near summit of Devils Cliff; Summit-Soda Springs Comment
  JEPS127507  Epilobium torreyi Steve Matson 2000-6-20 472 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek Comment
  CAS-BOT-BC57985  Equisetum John H. Thomas; Hazelle A. Thomas 1956-7-21 6205 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 mi. ne. of Sacramento. 2377 Comment
  SBBG198  Equisetum X ferrissii E. R. Blakley 1960-9-2 3806 Placer mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  CAS-BOT-BC56949  Equisetum arvense Saichi Kawahara 1969-5-25 909 Placer Henderson Ranch, Indian Creek 987 Comment
  CHSC72866  Equisetum arvense L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5766 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC73128  Equisetum arvense L. P. Janeway; Eric Schroder 1998-9-16 6334 Placer Lake Tahoe Basin Management Unit. About half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  CHSC74054  Equisetum arvense Susi Urie 1998-8-13 98 -039 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD44508  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1874 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR171400  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9965 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
  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
  CHSC74178  Equisetum laevigatum Susi Urie 1998-9-2 98 -214 Placer Below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi noth of Lake Tahoe. 1908 Comment
  SBBG8946  Equisetum laevigatum E. R. Blakley 1960-9-3 3822 Placer Kings Beach, Lake Tahoe 1905 Comment
  CAS-BOT-BC284067  Eragrostis pectinacea var. pectinacea Peter H. Raven 1954-8-27 7958 Placer Penryn, Sierra Nevada Comment
  UCR198003  Eragrostis pilosa Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit 52 Comment
  CAS-BOT-BC481927  Eremogone aculeata John H. Thomas; Hazelle A. Thomas 1956-7-21 6108 Placer Sierra Nevada, vicinity of Donner Pass, about 80 mi NE of Sacramento 2377 Comment
  JEPS126426  Eremogone congesta var. congesta Steve Matson 1998-6-21 271 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  CAS-BOT-BC286643  Ericameria bloomeri L. R. Abrams 1917-9-11 6776 Placer Truckee Comment
  OBI49186  Ericameria bloomeri Lewis S. Rose 1938-9-14 38270 Placer Truckee river, 3 mi NW of Tahoe City 1829 Comment
  UCD22412  Ericameria nauseosa A. M. Shapiro 2001-9-10 s.n. Placer Serpentine barren, Dutch Flat Powerhouse Road. 2' tall. 883 Comment
  CAS-BOT-BC294277  Ericameria nauseosa var. speciosa M. E. Parsons 1912-8-25 s.n. Placer Crow Peak, near summit Comment
  SD234803  Ericameria nauseosa var. speciosa G. K. Helmkamp, E. A. Helmkamp 2008-8-20 14029 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and east of Norden (Norden 7.5'Q) 2149 Comment
  POM57263  Ericameria suffruticosa C. F. Sonne 1894-9-2 13644 Placer High Mt. south of Summit Station 2439 Comment
  UC197373  Erigeron barbellulatus C. F. Sonne 1888-7-29 Placer near Lake Tahoe; Sierra Nevada Mountains, Wards Peak 2590 Comment
  CAS-BOT-BC296766  Erigeron coulteri Margaret Williams 1974-8-8 74 P1-36 Placer Murphy's Meadow, 5 miles southeast of Hirschdale, Sierra Nevada 2316 Comment
  CHSC74205  Erigeron coulteri Susie Urie; Eric Schroder 1998-9-8 98 -291 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
  UC71912  Erigeron coulteri C. J. Fox Jr. 1895-1-1 Placer Deer Park Inn 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
  UCR173770  Erigeron foliosus var. hartwegii George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10718 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
  UCR218122  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2010-6-26 16391 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-BC300830  Erigeron glacialis var. glacialis Alice Eastwood 1909-1-1 302 Placer Lake Tahoe Region. Wards Pass Comment
  UC202224  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  CAS-BOT-BC295205  Erigeron inornatus A. A. Heller 1919-7-25 13289 Placer Near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC295209  Erigeron inornatus R. F. Hoover 1967-9-5 10831 Placer Cornelian Bay, Lake Tahoe Comment
  UCD131345  Erigeron inornatus Beecher Crampton 1972-7-26 8844 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  RSA0012084  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17901 Placer Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23deg.) of Emigrant Gap and N of I-80 1434 Comment
  UCD132001  Erigeron inornatus var. inornatus G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12628 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCR190155  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2007-8-1 12645 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  JEPS41444  Erigeron miser C. F. Sonne 1887-8-21 156 Placer above Donner Lake; Sierra Nevada Mountains Comment
  UCR250079  Eriodictyon californicum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20500 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
  CAS-BOT-BC255403  Eriogonum Saichi Kawahara 1969-7-6 833 Placer Slope over looking north fork of the American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCD21939  Eriogonum lobbii Beth Lowe Corbin 1982-8-11 323 Placer 1 3/4 miles SW of Onion Creek campground. In rocky outcrop in montane chaparral. Flowers pinkish, yellowish below. Peduncles decumbent. Full sun. SE facing slope, 30% incline. Occasional. 1935 Comment
  SEINET5330422  Eriogonum lobbii W. D. Billings 1951-8-12 2142 Placer just W. of highway maint. Sta., Donner Summit, Sierra Nevada, 2195 Comment
  UC634591  Eriogonum luteolum var. pedunculatum H. L. Mason 1929-10-4 5454 Placer 2.4 mi below Weimar Comment
  UC77526  Eriogonum marifolium C. F. Sonne 1888-7-1 Placer hills above Bear Valley; Sierra Nevada Mountains 2438 Comment
  POM105406  Eriogonum nudum var. deductum Marcus E. Jones 1881-7-9 s.n. Placer Emigrant Gap Comment
  POM165488  Eriogonum nudum var. deductum George B. Grant 1906-7-15 6935 Placer Lake Tahoe. Comment
  UC1204700  Eriogonum nudum var. deductum N. French 1934-6-6 350 Placer 1/2 mi w Lake Van Norden; Tahoe NF, Truckee Quadrangle Comment
  CHSC45849  Eriogonum nudum var. nudum Lowell Ahart 1972-7-7 141 Placer On bare old gravel bars, near the Middle Fork of the American River, across the river from Ahart Camp, French Meadows. 1615 Comment
  UCD100548  Eriogonum nudum var. oblongifolium G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12960 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road 6 miles east of Foresthill. 610 Comment
  UCR170817  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2005-9-30 9940 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  UCSB70078  Eriogonum nudum var. oblongifolium Helmkamp, G.; Helmkamp, E. 2007-9-14 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 6 miles east of Foresthill (Foresthill 7.5' Q) 610 Comment
  SDSU6798  Eriogonum nudum var. pubiflorum D. F. Howe 1959-8-1 2769 Placer 4 miles north of Auburn. 457 Comment
  CAS-BOT-BC258137  Eriogonum prattenianum var. prattenianum G. L. Stebbins 1977-7-1 7735 Placer Above Middle Fork, American River, near Last Chance 1341 Comment
Read comments
Aug 6 2017
  CAS-BOT-BC269934  Eriogonum spergulinum var. reddingianum A. A. Heller No date on label 12894 Placer Summit Station 2121 Comment
  JEPS111222  Eriogonum spergulinum var. reddingianum Steve Matson 2005-6-19 1307 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and north of Martis Creek. 39.3011 N, 120.1330 W; Elevation 5835 ft. 1778 Comment
  UC565934  Eriogonum spergulinum var. reddingianum N. French 1934-6-22 474 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  CAS-BOT-BC269938  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer Along Californis [California] Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground Comment
  CAS-BOT-BC265153  Eriogonum umbellatum var. nevadense Henry M. Pollard 1936-7-1 s.n. Placer Mt. Lincoln, Donner region Comment
  UC480711  Eriogonum umbellatum var. nevadense W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Lake Tahoe Region, Ellis Peak Comment
  UCD22123  Eriogonum umbellatum var. nevadense Rex Palmer 1979-6-19 N 223 Placer Headwaters basin area of the North Fork of the American River 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
  UC66982  Eriogonum ursinum P. B. Kennedy and S. B. Doten 1901-8-6 236 Placer Summit Soda Springs Comment
  UC77785  Eriogonum ursinum C. F. Sonne 1894-9-2 Placer mts. s Summit Station; Sierra Nevada Mountains 2438 Comment
  CAS-BOT-BC262228  Eriogonum ursinum David D. Keck 1932-6-30 1576 Placer 1 mile E. of Cisco 1800 Comment
  CAS-BOT-BC268484  Eriogonum wrightii var. wrightii L. S. Smith 1925-9-13 1733 Placer Tahoe National Forest. Deer Park 1950 Comment
  CAS-BOT-BC300951  Eriophyllum lanatum L. S. Smith 1926-5-23 1831 Placer Tahoe National Forest. Above Bear River, Colfax Rd. 853 Comment
  UCD159461  Eriophyllum lanatum D. S. Park 2010-8-11 215 Placer Along Old Auburn Forest Rd. Common. 344 Comment
  UCR209733  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2009-8-12 15422 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  CAS-BOT-BC301407  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer Near Rocklin, (E. side Sacramento Valley) 121 Comment
  UC194928  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer near Rocklin; east side Sacramento Valley 121 Comment
  UC896358  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1921-5-22 10582 Placer between Lincoln and Sheridan Comment
  CAS-BOT-BC301468  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-10 8753 Placer Sierra Nevada Mountains. Cisco Butte 1950 Comment
  JEPS111297  Eriophyllum lanatum var. integrifolium Steve Matson 2005-7-30 1423 Placer Squaw Valley ski area, about 1 km west of High Camp (top of tramway), under Shirley Canyon chairlift upper terminal: 39.1942 N, 120.2721 W ; elevation 8,100 ft. 2468 Comment
  UCR189301  Eriophyllum lanatum var. integrifolium George K. Helmkamp, E. A. Helmkamp 2007-7-27 12631 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  SEINET3411994 Image available Erodium botrys George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 Placer Sacramento Valley: along CA-193, 0.1 mile W of its junction with Sierra College Blvd. 88 Comment
  JEPS16982  Eryngium castrense W. L. Jepson 1924-7-25 10650 Placer Lincoln Comment
  UC856275  Erysimum capitatum Marcus E. Jones, A. M. 1882-6-28 2620 Placer Emigrant Gap Comment
  UC856303  Erysimum capitatum Marcus E. Jones, A. M. 1882-6-28 2620 Placer Emigrant Gap Comment
  UCD22369  Erysimum capitatum Rex Palmer 1979-5-27 N 53 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET3245753  Erysimum capitatum var. capitatum G. K. Helmkamp, E. A. Helmkamp 2009-1 15214 Placer Sierra Nevada Mountains: Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat (Duncan Peak 7.5') 2019 Comment
  CAS-BOT-BC55099  Erysimum perenne N. French 1934-6-22 445 Placer 7/8 mile west of Dulzura Lake. 2286 Comment
  UC1034890  Erysimum perenne G. B. and R. P. Rossbach 1938-7-23 896 Placer s side of pass just w Donner Lake; Donner Pass 2225 Comment
  UC1034896  Erysimum perenne G. B. Rossbach 1940-6-2 933 Placer gentle slope near nw shore Lake Tahoe 1981 Comment
  UC10558  Erysimum perenne C. J. Fox Jr. July 1895 Placer near Deer Park Inn Comment
  UC1126627  Erysimum perenne B. Bolt 1934-7-10 94 Placer 2 mi s Huysink Lake; Tahoe National Forest, Colfax Quadrangle Comment
  OBI53986  Erythranthe arvensis Barbara Ertter, David Thompson 1989-4-8 8173 Placer Iowa Creek Rd ca 2 mi from I-80 near entrance to Auburn State Recreaton Area, at crk crossing 518 Comment
  SEINET14200104  Erythranthe floribunda C. Aarstad, H. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junction with North Fork of Middle Fork of American River, Mosquito Ridge Road to French Meadows. 518 Comment
  SEINET208781 Image available Erythranthe lewisii Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-1 2135 Placer Tahoe National Forest ; 3.3 miles northwest of Highway junction Calif. 89 and 28 at Tahoe City; on Calif. 89; 3.2 miles west of Calif. Highway 8. 2073 Comment
  SJSU7720  Erythranthe primuloides R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  SJSU7731  Erythranthe primuloides D. Funnell 1965-6-27 Placer 4.5 mi S of Truckee on Hwy 89 1773 Comment
  SEINET8245400  Erythranthe tilingii Unknown \\N-\\N-\\N 2134 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89. 2073 Comment
  SEINET5725086 Image available Erythronium grandiflorum K. Pinney 1975-1 162 Placer 1 mile south of Placer County Big Trees Monument on French Meadows Road.; Big Trees Monument Comment
  HSC82613  Eschscholzia caespitosa Thomas W. Nelson, Jane P. Nelson 1979-4-11 4604 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UCR257566  Eschscholzia caespitosa George K. Helmkamp, Amy Barnes 2014-4-23 22773 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  CAS-BOT-BC402619  Eschscholzia caespitosa Helen Smith 1899-6-1 s.n. Placer Applegate Comment
  SD113755  Eschscholzia californica Darley F. Howe 1948-5-22 1818 Placer 671 Comment
  CAS-BOT-BC419537  Eschscholzia lobbii Gordon H. True 1971-4-9 6460 Placer Northern limits of Lincoln 48 Comment
  UC50565  Eschscholzia lobbii Mrs. Ames 1880-1 Placer Auburn Comment
  UC186882  Eschscholzia lobbii C. F. Sonne 1891-4-5 Placer Newcastle-Penryn Comment
  CAS-BOT-BC310371  Eucephalus breweri L. S. Smith 1927-7-1 2155 Placer Robertsons Flat, Forest Hill Distr. Comment
  CAS-BOT-BC310372  Eucephalus breweri M. E. Parsons 1910-7-21 s.n. Placer Ward Creek, Lake Tahoe Comment
  CAS-BOT-BC310377  Eucephalus breweri John Thomas Howell 1943-7-21 18656 Placer Donner Pass to Mt. Lincoln Comment
  UC194087  Eucephalus breweri C. F. Sonne 1883-9-9 Placer canon above Kneeland's Comment
  UC485464  Eucephalus breweri Katharine Brandegee 1914-8-1 Placer Ellis Meadows Comment
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Dec 11 2014
  UCR200857  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2008-9-15 14101 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UCR257733  Eucephalus breweri George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19517 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  CAS-BOT-BC312157  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer Near Summit hotel in granite 2133 Comment
  UC193542  Eurybia integrifolia C. F. Sonne 1885-8-9 Placer on road to Tahoe Comment
  UCD21697  Eurybia integrifolia Beth Lowe Corbin 1982-8-23 405 Placer 2 miles WSW of The Cedars. In fine, sandy, rocky soil. Open, logged White Fir forest. Rays purple, disc yellow. Mostly sun. North facing slope, 40% incline. Occasional. 1981 Comment
  SEINET8687803 Image available Eurybia integrifolia P. B. Kennedy, S. B. Doten 1901-8-19 419 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  CAS-BOT-BC312166  Eurybia radulina Leland S. Smith 1926-5-25 s.n. Placer Mosquito Ridge burnt area, Tahoe National Forest Comment
  UCR190919  Festuca arundinacea George K. Helmkamp, E. A. Helmkamp 2007-5-23 12070 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  SEINET238358 Image available Festuca confusa Beecher Crampton 1953-4-13 1097 Placer 1 mile north of lincoln along railroad right of way near edge of Hwy 99E. Comment
  UCSC000036  Festuca elmeri Gray unknown s.n. Placer Cisco - Pacific Slope Comment
  CHSC112167  Festuca occidentalis Dean Wm. Taylor 2013-6-19 21371 Placer Ralston Ridge (ca 15 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down from (North of) Forest Road 25 along the ridgecrest. 1482 Comment
  SACT001170  Festuca occidentalis Michael Baad 1983-7-16 Placer On road to French Meadows, along southern edge of State Game Refuge. 1609.0 Comment
  UCD66115  Festuca occidentalis Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SACT001218  Festuca rubra D. Meyer 1984-7-21 Placer on road near golf course. 2000.0 Comment
  SACT001199  Festuca subulata D. Meyer 1984-6-17 Placer Just south of bridge over American River 545.0 Comment
  UC1132025  Festuca viridula N. French 1934-6-21 437 Placer 0.75 mi ne Palisade Lake; Truckee Quad. 2011 Comment
  UCD44646  Festuca viridula C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2012 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SBBG27370  Fragaria vesca C. L. Htchcock 1940-5-7 6318 Placer ca. 1 mi W of Baxter Comment
  JEPS111210  Fragaria virginiana Steve Matson 2005-7-4 1366 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  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
  SD10091  Frangula rubra Brandegee Sept 1888 Placer Alta Comment
  CAS-BOT-BC55704  Frangula rubra subsp. obtusissima Carl B. Wolf 1928-8-22 3433 Placer 1 mi. W. of Emigrant Gap 1636 Comment
  CAS-BOT-BC55707  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1730 Placer W. slope Sierra Nevada. 4 miles West of Emigrant Gap 1524 Comment
  CAS-BOT-BC55708  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1732 Placer W. slope Sierra Nevada. Baxter's Camp, 17 mi. above Colfax 1158 Comment
  UCD121438  Frasera albicaulis var. nitida Forest Service 1917-5-1 s.n. Placer Or Plumas Co. Downieville. Comment
  CAS-BOT-BC504555  Fritillaria atropurpurea Hazelle A. Thomas; John H. Thomas 1956-7-21 6095 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevad 2377 Comment
  CAS-BOT-BC505323  Fritillaria micrantha Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC504447  Fritillaria recurva Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UC197265  Fritillaria recurva C. F. Sonne 1896-5-1 Placer near Blue Canyon Station Comment
  POM67221  Galium aparine Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  SEINET11587297  Galium aparine C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer 792 Comment
  JEPS59353  Galium bolanderi Ezra Brainerd and Viola B. Baird 1915-7-28 225 Placer along trail up Truckee River Sierra Nevada Mts. 1889 Comment
  POM67602  Galium bolanderi Marcus E. Jones 1882-6-27 3290 Placer Emigrant Gap. Comment
  RSA0053710  Galium bolanderi G. K. Helmkamp, E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  RSA757078  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15200 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  SD241947  Galium bolanderi George K Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains: along Forst Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mile ESE of Whisky Hill (Duncan Peak 7.5'Q) 1677 Comment
  UCD121613  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. 1311 Comment
  UCR249615  Galium bolanderi George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20840 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.1 mile northwest of its junction with Spring Garden Road 738 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
  UCD148666  Galium grayanum G. Ledyard Stebbins 1968-8-15 C 6858 Placer Devil's Peak, southeast of Soda Springs. 2286 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
  CDA19485  Galium parisiense M. I. Wibawa 2002-5-27 261 Placer Sacramento Valley; Folsom Lake State Recreation Area. 121 Comment
  UCR190846  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2007-5-23 12064 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  UCD121952  Galium triflorum Richard J. Patterson 1969-7-1 182 -12 Placer South of Interstate Highway 80 on Casa Loma Road, near Alta. 975 Comment
  SACT001221  Gastridium ventricosum Josephine Van Ess 1978-7-17 Placer Collected on open hillside near old small resvervoir east of big pond about 1 mile east of the east end of Annabelle Ave. open grassy area. 103.0 Comment
  CDA14330  Gaultheria ovatifolia G. F. Hrusa 1993-11-3 11470 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  SJSU4074  Gaultheria ovatifolia C. W. Sharsmith 1965-6-12 7396 Placer Big Tree Grove (6 Sequoiadendron), 10 mi E of Michigan Bluff 1584 Comment
  CAS-BOT-BC478500  Gayophytum John H. and Hazelle A. Thomas 1956-7-21 6162 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD21989  Gayophytum Beth Lowe Corbin 1982-8-2 158 Placer Onion Creek campground. In fine, sandy, granitic soil. Annual herb; Flowers whitish to pink. Open spot between trees. Partial shade. South facing slope. Locally abundant. 1841 Comment
  CHSC118007  Gayophytum diffusum subsp. parviflorum G. K Helmkamp; E. A Helmkamp 2008-8-20 14013 Placer Northern Sierra Nevada Mountains: Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River. 1811 Comment
  RSA144917  Gayophytum diffusum subsp. parviflorum John H. Thomas, Hazelle A. Thomas 1956-7-21 6114 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2134 Comment
  RSA714091  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9988 Placer Northern Sierra Nevada Mts.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca. 2.2 miles west of CA Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR170805  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9949 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  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
  OBI48972  Gayophytum heterozygum Unknown 1882-7-3 s.n. Placer Alta Comment
  CAS-BOT-BC488336  Gayophytum humile James A. Neilson, Jr. 1970-8-28 1865 Placer Tahoe Basin, Paige Meadow 2072 Comment
  UCD22098  Gayophytum humile Rex Palmer 1979-6-21 N 384 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS72488  Gentiana calycosa Gladys L. Smith 1972-8-25 3439 Placer cirque n-face Granite Chief 2529 Comment
  CDA36896  Geranium dissectum CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  SD239773  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-5-5 18935 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road. 779 Comment
  SEINET4691436  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-1 17142 Placer Sacramento Valley: east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road. 98 Comment
  UCR235480  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-5-5 18935 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  RSA531311  Geum canescens Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4544 Placer Squaw Valley beyond upper cable car station. on SW slope below a rocky summit. 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
  JEPS127449  Geum macrophyllum var. perincisum Steve Matson 1997-7-25 132 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; North Ave. Comment
  SEINET11261544  Gilia capitata subsp. mediomontana George Helmkamp, Elizabeth Helmkamp 2013-6-11 20828 Placer Northern Sierra Nevada Mountains Foothills at the junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill.; 0 463 Comment
  SEINET3860402  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2010-6-26 16408 Placer Sierra Nevada Mountains Foothills: Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE of Applegate.; 0 476 Comment
  UCR194932  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2007-5-18 12015 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SEINET7963111 Image available Gilia leptalea Lewis S. Rose 1941-1 41319 Placer Chambers Lodge (McKinney), Lake Tahoe 1920 Comment
  UCR209738  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-8-12 15446 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill 2020 Comment
  RSA794814  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2011-8-26 18172 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat. 2041 Comment
  RSA756924  Gilia tricolor subsp. diffusa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14582 Placer Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  CHSC97767  Glinus lotoides Lowell 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 miles (air) northeast of Sheridan. 73 Comment
  JEPS115006  Glinus lotoides Lowell 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 miles (air) northeast of Sheridan 73 Comment
  UCD66746  Glyceria borealis August L. Hormay 1932-7-8 Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  CAS-BOT-BC282690  Glyceria elata L. S. Smith 1938-1-22 2799 Placer Along So. Fork Squaw Creek 1981 Comment
  CHSC73275  Glyceria elata L. P. Janeway 1998-8-6 5975 Placer Lake Tahoe Basin-National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SACT001261  Glyceria elata Michael Baad 1976-8-25 Placer 3-4 miles west of Sunnyside. 2072.0 Comment
  UCD22251  Glyceria elata Beth Lowe Corbin 1982-8-19 390 Placer 1 mile SSW of The Cedars. NW facing slope, 20% incline. Common. Mostly sun. Meadow in logged white fir forest. Perennial, culms 1 m tall. 1813 Comment
  JEPS75581  Glyceria grandis W. L. Jepson 1934-8-7 16882 Placer near Squaw Creek; Truckee River Comment
  CAS-BOT-BC307371  Gnaphalium palustre Catherine Best 1981-8-1 s.n. Placer Big Meadow about 3 miles south of French Meadows, Sierra Nevada 1600 Comment
  CHSC97765  Gnaphalium palustre Lowell Ahart 2007-11-13 14597 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  JEPS102474  Gnaphalium palustre Lowell Ahart 2001-10-10 9340 Placer French Meadows Reservoir, near the boat of 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
  JEPS126423  Gnaphalium palustre Steve Matson 2003-6-29 821 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards north of Highway 267 and 20 yards west of Martis Creek. Comment
  UCD21770  Gnaphalium palustre Beth Lowe Corbin 1982-8-3 185 Placer Onion Creek campground. In fine, sandy, granitic soil, in a somewhat disturbed area in open meadow. Annual. Phyllaries whitish. Full sun. Southwest facing slope. Common. 1841 Comment
  SCFS11529147  Goodyera oblongifolia F. Felix 2014-5-10 Placer Along NF trail between Cedars and Onion Creek crossing Comment
  CHSC96509  Gratiola ebracteata Lowell Ahart; Brian Williams 2007-4-13 13653 Placer On damp granite soil, on the bottom of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  OBI16391  Grindelia camporum Robert F. Hoover 1965-6-24 9452 Placer 2 mi N of Auburn on road to Grass Valley (hwy 49) Comment
  UCD132554  Grindelia camporum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11209 Placer Northern Sierra Nevada Mountain. Along Forest Hill Road, 1.0 mile north of Forest Hill. 1037 Comment
  UCR240896  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2012-6-19 19209 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  RSA750432  Grindelia squarrosa var. serrulata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14015 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  JEPS71663  Hackelia micrantha Gladys L. Smith 1972-6-18 3136 Placer Alpine Meadows 2072 Comment
  UCD22129  Hackelia micrantha Rex Palmer 1979-6-20 N 282 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM181063  Hackelia nervosa A. A. Heller 1912-7-20 10591 Placer Summit. 2073 Comment
  UC710452  Hackelia nervosa Lewis S. Rose 1944-7-10 44054 Placer Chambers Lodge Lake Tahoe 1920 Comment
  RSA235915  Hackelia nervosa J. L. Gentry Jr., Earl Jensen Jr. 1968-7-11 2130 Placer Alpine Meadows, 3.3 miles northwest of Hwy. jct. Calif. 89 & 28 at Tahoe City on Calif. 89, 3.2 miles west of Calif. 89. 2073 Comment
  SEINET12618627  Hackelia nervosa A. A. Heller 1912-1 10591 Placer Summit. 2073 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
  CAS-BOT-BC305509  Helianthus bolanderi Rimo Bacigalupi; G. L. Stebbins; Daniel Zohary; Howard Stutz; Alex D. Hawkes; Juan Hunziker; Fritz Ehrendorfer 1952-7-20 3883 Placer Seven miles east of Iowa Hill 1158 Comment
  UC173103  Hemizonella minima Katharine Brandegee July 1908 Placer between Gold Run and Cape Horn (Magra) Comment
  UCR194936  Hesperolinon californicum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12017 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SD81183  Hesperolinon micranthum D. F. Howe 1971-6-29 Placer 1.4 miles east of Horest Hill. 1096 Comment
  CDA19543  Heterocodon rariflorum M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 223 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
  JEPS103510  Heterocodon rariflorum Lowell Ahart 2002-7-22 9883 Placer About 40 yards NW 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. 1774 Comment
  UCD133036  Heterotheca grandiflora Collector Unknown Date Unknown s.n. Placer Exact location unknown. Comment
  UC1127197  Heuchera G. T. Nordstrom 1934-6-18 106 Placer n slope of Texas Hill; Tahoe National Forest 1584 Comment
  SBBG123109  Heuchera micrantha G. K. Helmkamp with E. A. Helmkamp 2007-5-30 12193 Placer Mosquito Ridge Rd, 15 mi E of its jct with Forest Hill Rd in Foresthill, S of site of Bake Oven 915 Comment
  SBBG70485  Heuchera micrantha M. N. Ackley -Jun-1925 1000 Placer Shirttail Cyn, American River 762 Comment
  UCD102638  Heuchera micrantha Eric Brenner; John Hunter 1996-5-26 024 Placer Tahoe National Forest, Mosquito Ridge Rd. 1080 Comment
  SEINET215105  Heuchera micrantha var. erubescens R. W. Cooper 1968-5-18 29 Placer American River Cyn 5 mi W of Foresthill 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
  CAS-BOT-BC319603  Hieracium albiflorum Alice Eastwood 1909-1-1 193 Placer Sunnyside Comment
  UCR206726  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15202 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  JEPS59488  Hieracium albiflorum Ezra Brainerd and Viola B. Baird 1915-7-19 240 Placer on trip to The Craggs; Sierra Nevada Mountains, Deerp Park 2133 Comment
  CAS-BOT-BC319759  Hieracium argutum Rimo Bacigalupi; G. L. Stebbins; Alex Hawkes; et al. 1952-7-19 3855 Placer Along the North Fork of the American River directly below Cape Horn 1/2 mile upstream from teh bridge on the Colfax-Iowa Hill Road 381 Comment
  CAS-BOT-BC312968  Hieracium triste L. S. Smith 1928-7-18 2481 Placer Tahoe National Forest. Ward Peak and down slope 2438 Comment
  SACT001288  Holcus lanatus D. Meyer 1984-8-19 Placer 8.4 km north of I80 103.0 Comment
  RSA718504  Holocarpha virgata subsp. virgata L. P. Janeway 2006-8-24 8873 Placer Sacramento Valley. Along Hwy 193 about 3.5 km N of Lincoln. 41 Comment
  UC895385  Holocarpha virgata subsp. virgata A. A. Heller 1915-9-12 12276 Placer fields near Roseville Comment
  SCFS871  Holodiscus discolor E. Krimmel, F. Felix 2013-6-2 Placer North Fork American River. Top of Foresthill Rd. Comment
  CAS-BOT-BC150011  Holodiscus discolor var. discolor A. A. Heller 1917-8-13 12896 Placer North of Summit hotel 2164 Comment
  CAS-BOT-BC150012  Holodiscus discolor var. discolor Elizabeth Parsons Hawver 1911-8-19 s.n. Placer At base of Ellis Peak, Lake Tahoe region Comment
  POM360687  Holozonia filipes Fay A. MacFadden 1934-7-2 12586 Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  SACT001299  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of road in moist soil. 2072.64 Comment
  SACT001308  Hordeum brachyantherum Michael Baad 1976-7-21 Placer Lower southwest-facing slopes of peak. Southeast Soda Springs. 2377.0 Comment
  UCD44690  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2056 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR218116  Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16400 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SACT001331  Hordeum depressum Josephine Van Ess 1976-3-31 Placer Collected at top of hill north of Rocklin about 6 miles of Placer. Dried up depression. 83.8 Comment
  SACT001343  Hordeum hystrix Josephine Van Ess 1976-4-26 Placer Collected near top of first hill. 91.5 Comment
  SACT001368  Hordeum leporinum Josephine Van Ess 1977-4-29 Placer 39.6 Comment
  SACT001372  Hordeum leporinum D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  SACT001381  Hordeum leporinum D. Meyer 1984-5-6 Placer 145.5 Comment
  RSA0106510  Hordeum murinum subsp. glaucum George K. Helmkamp, Amy Barnes 2014-3-21 22634 Placer Sacramento Valley: Riosa Road at the east side of its junction with CA-65, just west of Sheridan. 33 Comment
  UCR258540  Hordeum murinum subsp. glaucum George K. Helmkamp, Amy Barnes 2014-3-21 22634 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  RSA0043371  Horkelia fusca John F. Emmel 1997-7-25 1513 Placer Sierra Nevada, Donner Pass region; south side of Donnner Pass, 0.2 air mile ENE of north end of Lake Mary. 2145 Comment
  RSA169484  Horkelia fusca subsp. parviflora L. S. Rose 1963-7-11 63211 Placer Tahoma, Lake Tahoe. 1916 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
  CAS-BOT-BC205641  Horkelia fusca var. parviflora James R. Shevock 1985-8-9 11339 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2050 Comment
  UCD22269  Horkelia fusca var. parviflora Rex Palmer 1979-7-10 N 524 Placer Headwaters basin area of the North Fork of the American River Comment
  SD81224  Horkelia tridentata Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  UC1128150  Horkelia tridentata subsp. tridentata G. T. Nordstrom 1935-6-21 149 Placer 3 mi n by bw Mammoth Springs; Colfax quad, Tahoe National Forest 1584 Comment
  SEINET4691671  Hosackia oblongifolia G. K. Helmkamp, E. A. Helmkamp 2010-1 16796 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
  CHSC81784  Hosackia oblongifolia var. oblongifolia Lowell Ahart 2001-10-10 9356 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
  UCD106043  Hosackia pinnata R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax, CA. 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
  JEPS127470  Hydrophyllum capitatum var. alpinum Steve Matson 1998-6-14 238 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UC880777  Hydrophyllum occidentale C. L. Hitchcock 1940-5-7 6317 Placer ca 1 mi w Baxter Comment
  SEINET5518653  Hydrophyllum occidentale var. watsonii A. A. Heller 1909-7-16 9838 Placer Summit 2134 Comment
  CAS-BOT-BC400937  Hypericum anagalloides A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end of Summit Valley 2042 Comment
  UCD33600  Hypericum anagalloides Beecher Crampton 1970-6-25 8627 Placer Placer County, 1 mile west of Kingvale. 1859 Comment
  UC871756  Hypericum anagalloides P. A. Lebenbauer 1932-6-26 Placer on shore Lake Tahoe (Tahoe City); , Tahoe City 1898 Comment
  CAS-BOT-BC410213  Hypericum concinnum Vincent Jones 1919-7-7 s.n. Placer ridge above Bear Valley Comment
  SD234895  Hypericum concinnum G. K. Helmkamp, E. A. Helmkamp 2008-8-20 14033 Placer Northern Sierra Nevada Mountains: Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek. 2107 Comment
  CHSC74225  Hypericum formosum var. scouleri Susie Urie 1998-9-2 98 -216 Placer Lake Tahoe Basin Management Unit - National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UC303558  Hypericum formosum var. scouleri unknown May 1894 Placer Auburn Comment
  SD50718  Hypericum perforatum Darley F. Howe 1959-8-1 2771 Placer 2.0 miles north of Auburn. 456 Comment
  SDSU6905  Hypericum perforatum D. F. Howe 1959-8-1 2771 Placer 4 miles north of Auburn. 457 Comment
  UCR219683  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16371 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  OBI4719  Hypericum perforatum T. C. Fuller 1964-6-26 12253 Placer N side of fwy US 80 to Donner Summit, 0.2 mi of Gold Run. Sierra Nevada 762 Comment
  UCD43030  Hypericum scouleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 399 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET5344239  Hypericum scouleri P. A. Lehenbauer 1932-9-5 s.n. Placer Truckee River, near Tahoe City Comment
  UCD21977  Ipomopsis aggregata Beth Lowe Corbin 1982-8-4 225 Placer 1/4 mile NW of Onion Creek campground. In rocky, fine, sandy soil in montane chaparral. Perennial. Flowers bright scarlett. Partial sun. SW facing slope, 15% incline. Uncommon. 1950 Comment
  SJSU8431  Ipomopsis aggregata N. D. Addy 1962-7-7 166 Placer by Hwy 50, 3 mi NE of Echo Summit 1981 Comment
  UCSB16090  Ipomopsis aggregata subsp. aggregata Breedlove, Dennis 1962-6-13 Placer Western bank of Lake Tahoe along State Highway 89, 8.3 miles south of Tahoe City; Sierra Nevada 1889 Comment
  UCD138744  Iris hartwegii Kathryn Johnson 1966-5-7 40 Placer Magra Road and Interstate Highway 80. Comment
  SEINET8752696  Iris hartwegii D. T. Erskire 1941-4-25 2 Placer Bear River Canyon 1067 Comment
  UCD80365  Iris macrosiphon CNPS SN Foothill Team 2005-4-26 SNFN 0182 a Placer CDPR Auburn State Recreation Area, about a half kilometer north of Robie Point. 272 Comment
  CAS-BOT-BC69954  Isoetes bolanderi Mary Strong Clemens 1920-9-1 s.n. Placer (Lake) Tahoe City. Comment
  CHSC84546  Isoetes howellii John Dittes 2003-5-25 2003 -28 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  SEINET5338181  Isopyrum occidentale D. E. Brix 1962-3-17 s.n. Placer 3 1/2 miles northeast of Auburn, No. FK. American River. 366 Comment
  CAS-BOT-BC324811  Iva axillaris J. C. Henderson; R. L. Reeves 1970-10-21 s.n. Placer Fairgrounds, Auburn, Sierra Nevada 365 Comment
  SEINET11911564  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 84 Placer Tinker Knob 2896 Comment
  JEPS113259  Juncus bufonius var. bufonius Lowell Ahart, Brian Williams 2007-4-13 13657 Placer On damp granite soil, on the bottom and sides of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  CHSC67758  Juncus chlorocephalus James D. Jokerst 1986-7-13 2708 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. 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
  UCR209722  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15448 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  JEPS73239  Juncus drummondii Gladys L. Smith 1972-8-25 3406 Placer between Shirley chairlift and Watson Monument (trail to Granite Chief) 2560 Comment
  CDA25002  Juncus ensifolius J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC73103  Juncus ensifolius L. P. Janeway 1998-8-6 5980 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
  UCD75704  Juncus ensifolius Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5154 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
  UCD162586  Juncus mertensianus Steve Matson 2002-8-11 688 Placer nSNH; Tahoe Basin; Desolation Wilderness; Cascade Creek watershed; Tallac Lake. 2407 Comment
  POM110929  Juncus nevadensis Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD162582  Juncus nevadensis var. nevadensis Steve Matson 2002-8-4 666 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; 100 meters north of pond. 1908 Comment
  UCD43350  Juncus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 718 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD21854  Juncus orthophyllus Beth Lowe Corbin 1982-8-11 314 Placer 1 2/3 mile SW of Onion Creek campground. 1889 Comment
  UCD43904  Juncus orthophyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1270 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA16801  Juncus parryi G. F. Hrusa, J. Glazner 2001-7-15 15940 Placer Sierra Nevada; N side of saddle immed. E of summit of Crows Nest Pk. W of Sugarbowl. 2346 Comment
  UCD36110  Juncus patens Beecher Crampton 1952-11-9 923 Placer 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UCD141873  Juncus phaeocephalus var. paniculatus John Thomas Howell; Gordon H. True 1971-7-1 48323 Placer Northern outskirts of Lincoln. 48 Comment
  RSA0122314  Juniperus Marcus E. Jones 1889-6-21 s.n. Placer Cisco. Comment
  JEPS46586  Juniperus californica Harriet P. Kelley 1914-7-14 Placer rocky hill side above Yuba River; Cisco Comment
  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
  UCR162422  Juniperus occidentalis subsp. australis David A. Charlet 1992-5-14 978 Placer I-80 roadside 1829 Comment
  CHSC81742  Juniperus occidentalis var. occidentalis Lowell Ahart 2001-10-10 9335 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
Read comments
Jan 4 2007
  SEINET11056450  Juniperus occidentalis var. occidentalis P. A. Lehenbauer 1937-9-5 s.n. Placer Cisco. Comment
  SBBG26864  Keckiella breviflora C. L. Hitchcock 1940-5-14 6413 Placer Meier Ranch, ca. 6 mi N of Colfax Comment
  SCFS998  Keckiella breviflora E. Krimmel 2014-7-5 Placer North Fork American River. Below Soda Springs Rd, on trail 1/4-mile above Heath Falls Overlook. Comment
  SEINET3854194 Image available Keckiella breviflora subsp. breviflora Marcus E. Jones 1882-5-28 3276 Placer Emigrant Gap Comment
  UC144125  Keckiella lemmonii Miss Helen D. Geis Aug 1909 Placer near Deer Park (Five Lakes Trail) Comment
  POM263779  Kelloggia galioides L. S. Rose 1941-7-21 41338 Placer Chambers Lodge (McKinney), Lake Tahoe. 1900 Comment
  UCD22295  Kelloggia galioides Rex Palmer 1979-7-26 N 893 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22296  Kelloggia galioides Rex Palmer 1979-7-26 N 812 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR246826  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16658 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SEINET12328850  Kelloggia galioides J. H. Nishida 1985-1 784 Placer Homewood 1829 Comment
  JEPS13530  Kopsiopsis strobilacea Louise Delins 1933-5-21 Placer Gold Run Comment
  UCD123808  Kopsiopsis strobilacea W. C. Overton Jr. 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
  CHSC45404  Kumlienia hystricula Lowell Ahart 1973-3-28 188 Placer Along a small stream, along Mosquito Ridge Road, about 10 miles east of Foresthill. 1371 Comment
  UCR235486  Kumlienia hystricula George K. Helmkamp, E. A. Helmkamp 2012-5-5 18931 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  CAS-BOT-BC340398  Lactuca G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  CAS-BOT-BC341564  Lagophylla ramosissima J. Clausen 1932-9-16 653 Placer 5.1 miles southwest of Auburn, along the Gold Hill Road to Lincoln Comment
  SEINET7949749  Lamium amplexicaule C. Petterson, A. Berringhoff 1930-1 2793 Placer 5 mi. E of Lincoln. Comment
  CAS-BOT-BC433220  Lamium purpureum George K. Helmkamp; Elizabeth Helmkamp 2013-4-13 20333 Placer Northern Sierra Nevada Mountains Foothills: Cramer Road at the junction with CA-49, north of Auburn. 412 Comment
  HSC82237  Lasthenia californica Thomas W. Nelson 1979-4-10 4582 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UCR258238  Lasthenia californica George K. Helmkamp, Amy Barnes 2013-3-28 20238 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  UC130779  Lasthenia fremontii Katharine Curran 1883-4-1 Placer Roseville Comment
  RSA739655  Lasthenia glaberrima John Dittes 2003-5-25 2003 -25 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  UCR234016  Lasthenia glaberrima George K. Helmkamp, E. A. Helmkamp 2011-5-12 17252 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  CAS-BOT-BC213499  Lathyrus jepsonii subsp. californicus Marcus E. Jones 1883-7-1 s.n. Placer Emigrant Gap Comment
  CDA32837  Lathyrus latifolius CDFA Staff Placer Highway 49 south of Auburn. 0 Comment
  UC864490  Lathyrus nevadensis var. nevadensis C. L. Hitchcock 1940-5-7 6319 Placer ca 1 mi w Baxter Comment
  JEPS119444  Layia chrysanthemoides George K. Helmkamp with E. A. Helmkamp 2011-4-10 17155 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan. Comment
  CDA32945  Layia fremontii P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  POM361721  Layia fremontii Mary E. P. Ames 1884-1 s.n. Placer [Unspecified] Comment
  SDSU2800  Layia fremontii D. F. Howe 1948-5-20 1838 Placer 457 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
  UCR250057A  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20337 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
  JEPS66644  Ledum glandulosum C. F. Sonne 1885-7 207 Placer Summit at Lake Angeline Lake Angeline; Sierra Nevada Mountains, Lake Angeline 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
  JEPS126403  Lepidium chalepense Steve Matson 2002-7-14 1062 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 40 yards south of Highway 267 along creek, 2 yards from creek by trail. Comment
  UCD22411  Lepidium latifolium A. M. Shapiro 2001-8-10 s.n. Placer Donner Pass Road, at roadside. 2115 Comment
  CDA32946  Lepidium nitidum P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  UCD70569  Lepidium nitidum Art Shapiro 1998-3-10 s.n. Placer Above N. Fork of American River off Iowa Hill Rd. 640 Comment
  CAS-BOT-BC12897  Lepidium strictum L. R. Abrams 1935-1-1 13657 Placer Roseville, Sacramento Valley. Comment
  CAS-BOT-BC60089  Lepidium virginicum var. menziesii John Thomas Howell 1929-10-4 4437 Placer 3 miles from Tahoe City near the Truckee River. Comment
  UC147646  Lepidium virginicum var. pubescens Harriet A. Walker 1908-6-23 1205 Placer Blue Canyon 1432 Comment
  UCD43133  Lepidium virginicum var. pubescens C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 501 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR171335  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9979 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
  UCR229544  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17864 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
  SACT001402  Leptochloa fascicularis Josephine Van Ess 1978-7-11 Placer Collected along Highway 65 opposite the rifle range and near the railroad tracks. Low moist area. Comment
  UC63961  Leptodactylon pungens C. J. Fox Jr. July 1895 Placer near Squaw Peak; near Squaw Peak Comment
  CHSC91653  Leptosiphon bolanderi M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 259 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. Along old road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  JEPS127499  Leptosiphon ciliatus Steve Matson 1997-7-15 11 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  RSA40267  Leptosiphon ciliatus L. S. Rose 1946-6-23 46188 Placer Rainbow, north of Cisco. 1738 Comment
  POM74450  Leptosiphon ciliatus Katherine Brandegee 1908-07 s.n. Placer Between Cisco and Summit Comment
  UCD118758  Leptosiphon filipes Ted Niehaus 1959-5-3 98 Placer Granite Bay park, north shore of Folsom Lake. 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
  SEINET2470945  Leptosiphon harknessii K. Christie 2010-7-8 1886 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73 ca. 1.25 mi. west of Tahoe City. 2103 Comment
  SEINET14168140  Leptosiphon harknessii H. M. Hall 1910-6-26 8717 Placer [Sierra Nevada] Cisco 1800 Comment
  UC188534  Lesquerella occidentalis subsp. occidentalis C. F. Sonne 1885-6-25 Placer head of Squaw Valley head of Squaw Valley on Truckee River (on Truckee River) Comment
  UC1999791  Lessingia leptoclada H. E. M. Dobson 1977-10-23 285 Placer Near Forest hill Comment
  JEPS16971  Leucanthemum vulgare Peter H. Raven 1956-8-4 9982 Placer Blue Canyon; Sierra Nevada 1432 Comment
  UCD134131  Leucanthemum vulgare R. N. Raynor 1941-7-24 s.n. Placer near Auburn. Comment
  UCD134133  Leucanthemum vulgare R. N. Raynor 1939-5-31 s.n. Placer along Highway 3 miles above Auburn. Comment
  UC1121015  Leucothoe davisiae B. Bolt 1934-7-17 133 Placer Robertson Flat, Tahoe National Forest 2011 Comment
  CAS-BOT-BC444163  Lewisia nevadensis W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  RSA123078B  Lewisia rediviva N. H. French 1934-6-19 422 Placer 1/4 mile W of Devil s Peak. 2104 Comment
  CAS-BOT-BC444553  Lewisia triphylla Marcus E. Jones 1882-6-28 2629 Placer Emigrant Gap Comment
  RSA123481B  Leymus triticoides H. S. Yates 1934-6-29 3869 Placer Near Brockway; Truckee 1921 Comment
  CHSC74180  Ligusticum grayi Susi Urie; Eric Schroder 1998-9-9 98 -307 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
  UC3704  Lilium kelleyanum Mrs. M. M. Hardy 1893-1 Placer Comment
Read comments
Dec 13 2006
  CAS-BOT-BC130779  Lilium pardalinum A. M. Vollmer; L. Beane 1951-7-1 188 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC133076  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer; L. Beane 1951-7-1 191 Placer Bear Valley, east of Nevada City Comment
  SEINET5560140  Limnanthaceae H. S. Gentry 1962-1 19718 Placer 6.5 mi. SE of Wheatland, along Rt. 99E. 15 Comment
  JEPS18156  Limnanthes alba subsp. alba Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-20 5628 Placer along Antelope-Roseville Rd at Sacramento-Placer Co. line 42 Comment
  CHSC3882  Limnanthes douglasii subsp. rosea Gary Dutton 1966-3-21 139 Placer Found on Lincoln cut-off to Newcastle. Two miles from Lincoln. Field. Comment
  SD243171  Limnanthes floccosa subsp. californica George K. Helmkamp, E. A. Helmkamp 2011-4-10 17151 Placer Sacramento Valley: along Riosa road at the east edge of the village of Sheridan. 41 Comment
  UCR231881  Limnanthes floccosa subsp. californica George K. Helmkamp, E. A. Helmkamp 2011-4-10 17151 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  CHSC74000  Limosella acaulis Susi Urie 1998-8-19 98 -081 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD162580  Limosella acaulis Steve Matson 2003-6-16 802 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; edge of pond. 1908 Comment
  UC30173  Linanthus bicolor H. N. Bolander 1865-1 4568 Placer Auburn Comment
  SEINET3163744  Linanthus bicolor G. B. Grant 1906-7-20 696 Placer Pacific Coast; Lake Tahoe 1829 Comment
  SEINET9350509  Linanthus bolanderi M. Wibawa, Glazner, J. 2002-5-22 259 Placer Hughes Mill Comment
  JEPS103486  Linanthus harknessii Lowell Ahart 2002-7-22 9894 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
  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
  HSC33410  Linaria dalmatica subsp. dalmatica Thomas W. Nelson, James Nelson 1974-6-17 1373 Placer Dollar Point overlooking Lake Tahoe, N of Tahoe City 1585 Comment
  CDA15969  Linum lewisii var. lewisii G. F. Hrusa, J. Glazner 1999-7-17 15117 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1135293  Lithocarpus densiflorus var. echinoides N. French 1934-5-31 386 Placer 0.5 mi e Texas Hill; Tahoe National Forest, Colfax Quad. 1584 Comment
  SACT002871  Lithocarpus densiflorus var. echinoides Michael Baad 1983-7-10 Placer 0.8 mile by road southeast of East Fork of North Fork of American Riveron road to Hellister Point from Emigrant Gap. 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
  UCR208270  Lithophragma affine George K. Helmkamp, E. A. Helmkamp 2009-5-7 14636 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  RSA293427  Lithophragma bolanderi Reino Alava 1958-5-3 2024 Placer 8 miles W of Auburn on the County Rd No 74. Comment
  UCD22324  Lithophragma glabrum Rex Palmer 1979-7-12 N 621 Placer Headwaters basin area of the North Fork of the American River Comment
  UC112902  Lithospermum californicum Katharine Brandegee 1908-6-5 Placer near Cape Horn Comment
  UC193923  Lithospermum californicum C. F. Sonne 1891-6-7 Placer Gold Run Comment
  UCD66242  Lolium multiflorum var. multiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10128 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  SACT001458  Lolium perenne Josephine Van Ess 1977-4-29 Placer Collected 1.7 miles west of Watt Ave. Waste corner of field, dried up. 21.3 Comment
  UCD66468  Lolium perenne Beecher Crampton 1975-9-9 9283 Placer Alta, Interstate Hwy. 80 W. Comment
  UCR173175  Lolium perenne subsp. multiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10128 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  CDA19561  Lomatium M. I. Wibawa, G. F. Hrusa (16043), J. Glazner 2002-5-22 246 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. scattered, 1066 Comment
  UCSB32284  Lomatium bicolor Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  SD247298  Lomatium dissectum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles southeast (167 degrees) of Colfax. 561 Comment
  JEPS126307  Lomatium nevadense var. nevadense Steve Matson 1998-5-24 213 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards north Highway 267. Comment
  CAS-BOT-BC516755  Lomatium utriculatum George K. Helmkamp; Mary Alice Barnes 2013-4-18 20336 Placer Northern Sierra Nevada Mountains foothills: Yankee Jim Road, 0.9 mi E of its jct with Canyon Way, 4.4 mi SE (167 deg. ) of Colfax 561 Comment
  UC1125215  Lonicera conjugialis N. French 1934-6-18 419 Placer Lock Leven Lakes Tahoe National Forest, Truckee Quadrangle Comment
  UC1125217  Lonicera conjugialis B. Bolt 1934-8-14 172 Placer e slope Red Star Ridge (in Plot 220); Tahoe National Forest, Truckee Quadrangle Comment
  SEINET12328859  Lonicera conjugialis J. H. Nishida 1985-1 789 Placer Homewood 1829 Comment
  CAS-BOT-BC241427  Lonicera involucrata var. involucrata G. E. Poore 1912-7-1 174 Placer Tahoe National Forest, Sierra Nevada Comment
  SEINET3523669 Image available Lotus C. L. Hitchcock 1940-5-7 6322 Placer 1 mi W of Baxter Comment
  UC864264  Lotus argophyllus Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  UC80756  Lotus incanus Katharine Brandegee 1889-7-6 Placer Alta Comment
  UC864903  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer ca 1 mi w Baxter Comment
  CDA37243  Lotus micranthus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS102602  Lotus nevadensis var. nevadensis Lowell Ahart 2001-10-10 9345 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
  SEINET9325113  Lotus oblongifolius var. oblongifolius Unknown 1972-7-26 8855 Placer Ca 1 mi W of Cisco Grove on I-80, moist rdbanks at base and upslope UC Davis Herbarium Comment
  UC15725  Lotus oblongifolius var. oblongifolius Mrs. M. M. Hardy 1893-1 Placer Comment
  UC65764  Lotus oblongifolius var. oblongifolius P. B. Kennedy and S. B. Doten 1901-8-15 406 Placer 6 mi from French Meadows Comment
  JEPS24946  Lotus pinnatus Marcus E. Jones, A. M. 1882-6-27 3282 Placer Emigrant Gap Comment
  UCR198047  Lotus purshianus Beth Lowe Corbin 1982-8-9 273 Placer Headwaters Basin Area of the North Fork of the American River. 1/4 mi southwest of Onion Creek Campground Comment
  SEINET11265986  Lotus purshianus var. purshianus George Helmkamp, E. A. Helmkamp 2010-10-16 17016 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 0.5 miles north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd (Foresthill 7.5' Q.); 0 948 Comment
  UCR219681  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16374 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 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
  UCD22080  Lupinus albicaulis Rex Palmer 1979-7-26 N 836 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET5327624  Lupinus albifrons Polkinghorne 1964-3-21 s.n. Placer Near Auburn. 549 Comment
  CAS-BOT-BC196230  Lupinus albifrons var. eminens Abigail Smith 1899-4-1 s.n. Placer Applegate Comment
  UCD106437  Lupinus andersonii S. L. Smith Date Unknown 753 Placer Squaw Valley. Comment
  SEINET5558507  Lupinus andersonii H. S. Gentry 1962-1 19759 Placer 3 mi. south of Grass Valley, along Rt. 49. 457 Comment
  CDA27376  Lupinus apertus T. C. Fuller 1973-8-23 19983 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  SEINET4691666  Lupinus arbustus George K. Helmkamp, E. A. Helmkamp 2010-1 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
  UCR207104  Lupinus arbustus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15229 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCD22082  Lupinus argenteus var. heteranthus Rex Palmer 1979-6-20 N 318 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA794937  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2011-4-1 17115 Placer along CA-193 (Lincoln-New Castle Hwy), 0.4 mile west of Gold Hill Road, 5.4 miles (air) east of Lincoln 108 Comment
  UCR208276  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14644 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  CDA27396  Lupinus benthamii unknown s.n. Placer Back of Loomis. 0 Comment
  SD248426  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer Eastern Sacramento Valley: Northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan. 35 Comment
  UCR250893  Lupinus bicolor George K. Helmkamp, Mary Alice Barnes 2013-4-18 20342 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
  JEPS65249  Lupinus grayi Mrs. M. M. Hardy 1893-1 Placer near Emigrant Gap; near Emigrant Gap Comment
  UC149855  Lupinus grayi Katharine Brandegee July 1910 Placer Gold Run Comment
  RSA26143  Lupinus latifolius subsp. longipes J. T. Howell 1951-6-28 27662 Placer Jamison Creek. 1585 Comment
  JEPS86476  Lupinus lepidus var. lobbii L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6551 Placer ca 5 mi se Donner Lake (e of Tinker Knob, Sherman Chickering's Soda Springs holdings); se of Donner Lake, Sherman Chickering's Soda Springs holding 2590 Comment
  JEPS65085  Lupinus lepidus var. sellulus Leland S. Smith 1925-7-14 1678 Placer McGuire Cabin French Meadows, Tahoe (French Meadows, Tahoe); Tahoe, French Meadows 1554 Comment
  UCR120253  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5063 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  CAS-BOT-BC438823  Lupinus microcarpus var. densiflorus George K. Helmkamp; Mary Alice Barnes 2013-5-3 20459 Placer Northern Sierra Nevada Mountains Foothills: Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 deg. ) of Auburn. 672 Comment
  UC1129597  Lupinus microcarpus var. densiflorus N. French 1933-6-6 76 Placer near Rattlesnake Bridge; Sacramento Quadrangle Comment
  UCR250269  Lupinus microcarpus var. densiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20459 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 deg. ) of Auburn 672 Comment
  UCR256515  Lupinus microcarpus var. densiflorus George K. Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  RSA0038508  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20471 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCR173517  Lupinus nanus George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10131 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UCR218133  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16383 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR258233  Lupinus nanus George K. Helmkamp, Amy Barnes 2013-3-28 20244 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  RSA761030  Lupinus nanus Barbara Ertter, David Thompson 1989-4-9 8188 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  SEINET7249048  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  CHSC931  Lupinus polyphyllus var. burkei D. Crummet 1937-5-31 Placer About 14 mi. below Tahoe Tavern near Truckee. 1767 Comment
  RSA414422  Lupinus sellulus subsp. sellulus Fay A. MacFadden 1934-8-10 12855 Placer Cisco Comment
  RSA0003512  Lupinus silvicola A. A. Heller 1909-7-16 9857 Placer Summit. 2134 Comment
  SEINET8057980  Lupinus stiversii A. Allen 1950-5-20 44 Placer Near the old highway 40, 1/4 mile west of Gold Run 1067 Comment
  SEINET10451517  Lupinus superbus var. bernardinus L. S. Smith 1938-7-22 Smith s.n. Placer Tahoe National Forest. Squaw Valley. Comment
  CHSC91529  Luzula macrantha M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 250 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  SD239494  Luzula macrantha George K Helmkamp, E. A. Helmkamp 2012-5-5 18937 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  UCD124886  Lycopus americanus Beecher Crampton 1953-10-6 1660 Placer north Lincoln city limit. Comment
  CHSC82656  Lythrum portula Lowell Ahart 2002-7-22 9890 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
  CDA5128  Lythrum salicaria K. Connolly 1991-7-24 Placer South side of Virginiatown Road, 0.5 mile east of McCourtney Road, Lincoln. 0 Comment
  CDA37077  Madia elegans CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS126353  Madia elegans Steve Matson 1998-7-27 346 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west of North Ave. at junction west fork of Snow Creek. Comment
  UC112863  Madia elegans Katharine Brandegee 1908-5-6 Placer near Auburn Comment
  UCD69161  Madia elegans D. Sanchez-Mata; P. Rodriguez-Rojo and D. Sanchez-Mata 1997-8-6 s.n. Placer Tahoe National Forest. Forest Hill-Michigan Bluff. Michigan Bluff Rd. 1070 Comment
  CAS-BOT-BC343776  Madia elegans J. Clausen 1932-9-16 652 Placer 5.1 miles southwest of Auburn, along the Gold Hill Road to Lincoln Comment
  SDSU4733  Madia elegans subsp. densifolia D. F. Howe 1962-8-10 3418 Placer 1.2 miles north of Auburn. 457 Comment
  CDA15984  Madia elegans subsp. elegans G. F. Hrusa, J. Glazner 1999-7-17 15165 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS14356  Madia exigua Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunziker, F. Ehrendorfer, D. Zohary... 1952-7-20 3876 Placer n-facing serpentine slope just s Shirttail Public Camp (nr headwaters of Shirttail Creek, 6 mi e of Iowa Hill); Tahoe Nat. Forest 1066 Comment
  CAS-BOT-BC342841  Madia glomerata Peter Rubtzoff 1976-9-18 8839 Placer Lake Van Norden 2063 Comment
  RSA0045149  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19919 Placer Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road. 1611 Comment
  UCR240967  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19919 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  CDA36902  Madia gracilis CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  UCR241744  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19219 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  POM260281  Madia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  CHSC85745  Maianthemum racemosum G. F. Hrusa; J. Glazner 2000-9-3 15663 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCD139046  Maianthemum racemosum C. J. W. 1913-7-1 159 Placer Emigrant Gap. Comment
  UCD22054  Maianthemum stellatum Rex Palmer 1979-6-20 N 317 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43939  Maianthemum stellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1305 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC512884  Maianthemum stellatum W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  SEINET8491615  Maianthemum stellatum P. A. Lehenbauer 1932-6-26 s.n. Placer Tahoe City. Comment
  UCR171021  Malus sylvestris George K. Helmkamp, E. A. Helmkamp 2006-2-9 10056 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 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
  SD237342  Matricaria discoidea G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15919 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mi. north of the American River crossing. 199 Comment
  CAS-BOT-BC348064  Matricaria discoidea Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4023 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  SDSU5045  Medicago arabica D. F. Howe 1951-5-2 2113 Placer 457 Comment
  RSA0115436  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22532 Placer Sierra Nevada Mountains Foothills: North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49. 433 Comment
  UCR173177  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10125 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  CAS-BOT-BC269213  Melica aristata R. K. Gierisch; D. H. Esplin 1969-7-11 3522 Placer Tahoe National Forest. Big Bend Comment
  CDA15684  Melica aristata G. F. Hrusa, J. Glazner 1999-7-18 15234 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CHSC68071  Melica aristata James D. Jokerst 1986-7-12 2685 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, on N side of river. Comment
  CHSC79888  Melica aristata G. F. Hrusa; J. Glazner 1999-7-18 15234 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89 and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1905 Comment
  SACT001478  Melica bulbosa Michael Baad 1977-6-8 Placer Overlooking the south run of Middle Fork of American Fork of American River. 2 miles northwest of Brushy Creek Station. 1219.2 Comment
  UCR208539  Melica bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14612 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCD86414  Melica californica A. A. Beetle 1941-5-26 2715 Placer Near Cisco. 914 Comment
  UCD86437  Melica californica Beecher Crampton 1955-6-15 2867 Placer 0.5 mile south of U. S. Hwy. 40 on the Forest Hill Road. Comment
  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
  UC818837  Melica geyeri Marcus E. Jones 1882-6-30 3553 Placer Emigrant Gap Comment
  SACT001513  Melica harfordii Michael Baad 1977-6-2 Placer 0.8 mile south of Wiemar, east-facing cliff streamside habitat. 606.0 Comment
  SACT001515  Melica harfordii Michael Baad 1976-6-17 Placer Flood plain, Royal Gorge-Wabena Creek to Wildcat Canyon Comment
  UCD36657  Melica harfordii Beecher Crampton 1955-6-15 2884 Placer Placer County, Bunch Canyon, 2.5 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  JEPS86481  Melica stricta L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6558 Placer ca 5 mi se Donner Lake (slopes s of Tinker Knob, Sherman Chickering's Soda Springs holdings); Sherman Chickering's Soda Springs 2438 Comment
  UCD22224  Melica stricta Beth Lowe Corbin 1982-8-4 244 Placer 1 1/4 mile N of Onion Creek Campground. E facing slope, 50% inclination. Occasional. Full sun. In rocky, fine, sandy, granitic soil on open talus slope in white fir forest. Bunchgrass. Glumes and base of culms purplish. 2225 Comment
  SACT001535  Melica torreyana Michael Baad 1977-6-21 Placer On Colfax to Forest Hill Road; east-facing cliff; stream side habitat 670.0 Comment
  SACT001536  Melica torreyana Michael Baad 1983-5-7 Placer 2 miles south of Colfax on Iowa Hill Road; rocky opening; disturbed area; 978.0 Comment
  SEINET3817935 Image available Melica torreyana George K. Helmkamp, E. A. Helmkamp 2012-5-5 18915 Placer Northern Sierra Nevada Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi SE (123degrees) of Clementine Dam on the American River (Auburn 7.5' Q. 396 Comment
  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
  UC872457  Mentzelia dispersa Lewis S. Rose 1938-9-14 38269 Placer 3 m nw Tahoe City; Truckee River 1828 Comment
  CAS-BOT-BC428534  Micranthes aprica Alice Eastwood 1909-1-1 281 Placer Lake Tahoe Region. Wards Pass. Comment
  UCD22376  Micranthes aprica Rex Palmer 1979-5-27 N 75 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS127556  Micranthes bryophora Steve Matson 2004-8-1 1081 Placer nSNH: Tahoe Basin west shore; Blackwood Canyon, 1/2 mile SE of Barker Pass. Comment
  CAS-BOT-BC428875  Micranthes californica G. L. Stebbins 1970-4-4 6988 Placer Shrittail [Shirttail] Canyon, south of North Fork, American River, along road from Colfax to Forest Hill [Foresthill]. 365 Comment
  CAS-BOT-BC428879  Micranthes californica Marcus E. Jones 1882-7-1 3587 Placer Emigrant Gap Comment
  SEINET6033452  Micranthes californica R. L. Smith 1942-4-3 s.n. Placer 10 miles east of Roseville 152 Comment
  JEPS127555  Micranthes odontoloma Steve Matson 2004-8-1 1078 Placer nSNH: Tahoe Basin west shore; Blackwood Canyon, 1/2 mile SE of Barker Pass. Comment
  HSC82227  Microseris acuminata Thomas W. Nelson 1979-4-10 4577 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CAS-BOT-BC322771  Microseris sylvatica Gordon H. True 1971-5-26 6546 Placer Northern limits of Lincoln 48 Comment
  POM75720  Microsteris gracilis subsp. gracilis Marcus E. Jones 1882-6-28 10380 Placer Emigrant Gap. Comment
  RSA122922  Microsteris gracilis subsp. gracilis N. H. French 1934-6-22 481 Placer Half mile west of Lake Van Norden. 2134 Comment
  UCR208568  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14602 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  CDA19559  Mimulus bicolor M. I. Wibawa, G. F. Hrusa (16049), J. Glazner 2002-5-22 219 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
  CDA15675  Mimulus breweri G. F. Hrusa, J. Glazner 1999-7-18 15225 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  POM5148  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 549 Comment
  UCD162578  Mimulus breweri Steve Matson 2003-6-9 789 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters north of Highway 267, 50 meterswest of Martis Creek. 1780 Comment
  CDA16995  Mimulus guttatus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16048 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  POM43705  Mimulus guttatus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  RSA447927  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD122640  Mimulus guttatus Eric Brenner; John Hunter 1996-5-26 21 Placer Tahoe National Forest Mosquito Ridge Road. 1080 Comment
  UCD164616  Mimulus guttatus Brandi Sorensen 1995-5-12 13 Placer 3.5 kilometers northwest of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UCR218120  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16395 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SEINET12269869  Mimulus guttatus Unknown 1953-1 s.n. Placer US 50 near Placerville Comment
  CDA15963  Mimulus layneae G. F. Hrusa, J. Glazner 1999-7-17 15126 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA41700  Mimulus leptaleus S. E. Schoenig 1998-8-29 98 -79 Placer Adjacent to trail Glacier Lake, 0.5 miles east of intersection with Sand Ridge Trail. Comment
  RSA434635  Mimulus lewisii Fay A. MacFadden 1934-8-10 12941 Placer Cisco. Comment
  UC194066  Mimulus lewisii C. F. Sonne July 1884 Placer along creek above Coldstream Comment
  UCD21878  Mimulus lewisii Beth Lowe Corbin 1982-8-3 175 Placer Onion Creek campground. 1841 Comment
  CDA41694  Mimulus lewisii Rex Palmer 1979-7-25 N 676 Placer Headwaters Basin Area of the North Fork of the American River. 0 Comment
  UCR242327  Mimulus mephiticus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  UC125208  Mimulus moniliformis Katharine Brandegee July 1908 Placer near Cisco Comment
  CDA15642  Mimulus moschatus G. F. Hrusa, J. Glazner 1999-7-18 15212 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC74274  Mimulus moschatus Susi Urie; Eric Schroder 1998-9-8 98 -283 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC81824  Mimulus moschatus Lowell Ahart 2001-10-10 9357 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  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
  UCR240957  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19908 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
  UCD122818  Mimulus moschatus F. A. MacFadden 1934-7-9 s.n. Placer P.G. and E. flume below Emigrant Gap. 1371 Comment
  JEPS8656  Mimulus pulsiferae Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunziker, D. Zohary, F. Ehrendorfer & H. Stutz 1952-7-20 3882 Placer 7 mi e Iowa Hill (tributary of the upper reaches of creek); Tahoe Nat. Forest, Shirttail Creek Comment
  UC194065  Mimulus tilingii C. F. Sonne 1886-8-16 Placer above Coldstream 2590 Comment
  UCD44424  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1790 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44452  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1818 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  HSC33457  Mimulus torreyi Thomas W. Nelson, James Nelson 1974-6-17 1352 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  SEINET215329  Minuartia californica F. M. Dummel 1967-1 12 Placer 2 mi W of Penryn 230 Comment
  CAS-BOT-BC174686  Minuartia cismontana G. L. Stebbins 1978-5-28 7895 Placer East end of Ralston Ridge 1554 Comment
  UCD98271  Minuartia douglasii Gurdev S. Khush 1959-5-10 18 Placer US Highway 40, 1.5 miles nortehast of Clipper Gap. 426 Comment
  CAS-BOT-BC221667  Monardella candicans Marcus E. Jones 1882-7-4 3458 Placer Colfax Comment
  UC883586  Monardella candicans Marcus E. Jones, A. M. 1882-7-4 3458 Placer Colfax Comment
  POM126768  Monardella odoratissima subsp. glauca Helen D. Geis 1912-7-1 178 Placer Deer Park Comment
  JEPS63371  Monardella odoratissima subsp. pallida Leland S. Smith 1925-8-13 1704 Placer Ridge south Glenn Mine; Tahoe Forest 1859 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
  UCR241326  Monardella odoratissima subsp. pallida George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19822 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
  RSA401652B  Monardella odoratissima subsp. pallida Julian P. Donahue 1976-7-4 s.n. Placer Blackwood Canyon, approx. 5 miles SW of Tahoe City 2134 Comment
  SEINET10582103  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 272 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  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
  JEPS14352  Monardella villosa subsp. villosa Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, J. Hunziker, F. Ehrendorfer, D. Zohary, H. Stutz 1952-7-20 3878 Placer 6 mi east Iowa Hill (slope just s of Shirttail Public Camp); Tahoe National Forest 1066 Comment
  UC128138  Monolepis nuttalliana Miss Harriet A. Walker 1903-7-28 1474 Placer Cisco 1810 Comment
  CAS-BOT-BC444732  Montia chamissoi Marcus E. Jones 1882-6-28 2628 Placer Emigrant Gap Comment
  POM101955  Montia fontana Marcus E. Jones 1882-6-27 3279 Placer Emigrant Gap. Comment
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Sep 7 2010
  JEPS82034  Montia linearis Gladys L. Smith 1982-6-24 7433 Placer Goose Meadow 1828 Comment
  POM101988  Montia parvifolia Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC260646  Muhlenbergia filiformis L. R. Abrams 1917-9-16 6771 Placer Emigrant Gap to Cisco Comment
  SACT001586  Muhlenbergia filiformis D. Meyer 1984-7-15 Placer At edge of Serene Lake. 1909.0 Comment
  UC34018  Muhlenbergia filiformis C. F. Sonne July 1892 20 Placer dry hills Sierra Nevada Mountains, Truckee Comment
  UCD86707  Muhlenbergia filiformis G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrendorfer, J. Hunziker, 1952-7-20 5126 Placer 7 miles east of Iowa Hill near Forbes camp ground on Upper Shirttail Creek. 1158 Comment
  UCR201933  Muhlenbergia richardsonis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14027 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  CAS-BOT-BC274927  Muhlenbergia rigens L. R. Abrams 1927-9-13 12150 Placer 11 miles E of Auburn on Lincoln Highway Comment
  SBBG116113  Muhlenbergia rigens B. Crampton 1969-11-13 8530 Placer Weimar on Interstate 80 685 Comment
  UC854359  Myosurus apetalus Alice Eastwood Jun 15 1912-Jun 19 1912 467 Placer Tahoe City; Lake Tahoe Region Comment
  UCR237435  Narcissus poeticus George K. Helmkamp, E. A. Helmkamp 2012-2-23 18574 Placer Sacramento Valley, Nicolaus Road, 0.4 mile west of South Dowd Road, west of Lincoln 45 Comment
  SD247382  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-3-3 20501 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 miles east (87 degrees) of Forest Hill. 422 Comment
  UCD22115  Navarretia breweri Rex Palmer 1979-7-12 N 609 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA15940  Navarretia capillaris G. F. Hrusa, J. Glazner 1999-7-17 15147 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET4207339  Navarretia capillaris Beth Lowe Corbin 1982-8-11 326 Placer 1.5 mile WNW of Onion Creek campground.; 0 1951 Comment
  POM75137  Navarretia divaricata Marcus E. Jones 1882-6-30 10586 Placer Emigrant Gap. Comment
  UCD21616  Navarretia divaricata E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1265 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  CDA15676  Navarretia divaricata subsp. divaricata G. F. Hrusa, J. Glazner 1999-7-18 15226 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CDA15975  Navarretia divaricata subsp. divaricata G. F. Hrusa, J. Glazner 1999-7-17 15130 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  POM74451  Navarretia filicaulis Katherine Brandegee 1908-07 3417 Placer Cape Horn. Comment
  SD61093  Navarretia filicaulis Darley F. Howe 1964-7-26 3870 Placer Auburn 366 Comment
  SDSU3217  Navarretia filicaulis D. F. Howe 1964-7-26 3870 Placer Auburn, Placer Co. 366 Comment
  UC908642  Navarretia intertexta subsp. propinqua Herbert L. Mason Placer n of Lake Tahoe; Squaw Creek Valley 1889 Comment
  SEINET14058121  Navarretia intertexta subsp. propinqua F. H. Hillman s. n. Placer Between Truckee and Lake Tahoe Comment
  RSA469428  Navarretia leptalea L. S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  SBBG58362  Navarretia leptalea A. A. Heller 1927-8-15 14445 Placer near the Yuba River, Cisco Comment
  POM75731  Navarretia leptalea Marcus E. Jones 1882-7-3 10176 Placer Alta. Comment
Read comments
Jun 14 2012
  UC1123763  Navarretia leptalea subsp. bicolor B. Bolt 1934-7-12 112 Placer Devil's Peak Tahoe National Forest, Truckee Quad. 2042 Comment
  UCD75945  Navarretia leptalea subsp. bicolor Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5186 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
  JEPS59483  Navarretia leptalea subsp. bicolor Ezra Brainerd and Viola B. Baird 1915-7-25 229 Placer Deer Park road Sierra Nevada Mts. 1981 Comment
  RSA562586  Navarretia leptalea subsp. bicolor Alva Day 1982-7-13 82 -72 Placer Soda Springs Rd. 1.7 mi. N of Chickering property. Comment
  CHSC96460  Navarretia leucocephala subsp. leucocephala Lowell Ahart; Brian Williams 2007-4-13 13664 Placer On the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  POM264777  Navarretia leucocephala subsp. leucocephala Lincoln Constance 1941-5-28 2820 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  RSA29021  Navarretia leucocephala subsp. leucocephala Lincoln Constance 1941-5-28 2820 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  CHSC24707  Nemophila heterophylla T. C. English 1976-4-18 34 Placer N side of abandoned R. R., n fork of the American River, 2 1/4 mi w of Hwy 49 bridge. 335 Comment
  SEINET5521018  Nemophila menziesii J. Martin 1959-4-18 s.n. Placer 1/2 mile east of Bazter on US highway 40. Walk a bit into the woods north of the highway. 1829 Comment
  UC1021938  Nemophila menziesii Rolf Y. Berg 1954-4-15 Placer Auburn-Folsom Road eight mi s Auburn; s of Auburn Comment
  UC718104  Nemophila menziesii Carl B. Wolf 1937-3-30 8351 Placer on Penryn Road 3 4/10 mi e Lincoln; Sacramento Valley, e of Lincoln 76 Comment
  SEINET5521026  Nemophila menziesii var. atomaria J. Vetter 1955-4-23 s.n. Placer Along iron mine road, 1/4 mile off U.S. 40. Iron mine turnoff 4 miles east of Auburn 549 Comment
  SEINET5521027  Nemophila menziesii var. atomaria Schank 1959-3-29 s.n. Placer 3 miles west of Roseville situated in a meadow-like field. 305 Comment
  SEINET6744641 Image available Nemophila parviflora Marcus E. Jones 1882-1 2816 Placer Emigrant Gap, California Comment
  UCR193333  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2007-5-30 12192 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
  JEPS126279  Nemophila pedunculata Steve Matson 1998-6-21 200 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, south Martis dam road. Comment
  OBI48645  Nemophila pedunculata Lewis S. Rose 1940-6-2 40464 Placer Truckee River, 10 mi N of Tahoe city 1829 Comment
  SEINET3224819 Image available Nemophila spatulata Marcus E. Jones 1882-6-30 2816 Placer Emigrant Gap. Comment
  SEINET5536436  Nemophila spatulata L. R. Miller 1936-5-19 s.n. Placer Above Zephyr Cove, Lake Tahoe Comment
  UC170084  Nicotiana attenuata Miss Helen D. Geis 1912-6 205 Placer Tahoe City Comment
  UCR231857  Notholithocarpus densiflorus var. echinoides George K. Helmkamp, E. A. Helmkamp 2010-8-11 16762 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  JEPS62087  Odontostomum hartwegii Mrs. M. E. Pulsifer Ames 1879-1 Placer Auburn Comment
  SEINET7067124  Odontostomum hartwegii A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  UC169240  Oenothera cespitosa subsp. marginata Katharine Brandegee 1913-1 2048 a Placer Canyon of the Truckee Comment
  CAS-BOT-BC349975  Oreostemma alpigenum var. andersonii John Thomas Howell 1943-7-19 18590 Placer Summit Valley Comment
  UC469007  Oreostemma alpigenum var. andersonii H. M. Hall 1910-6-28 8725 Placer head of Fordyce Cr. 2103 Comment
  UCD42909  Oreostemma peirsonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 277 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA13694  Orobanche corymbosa G. F. Hrusa, J. Glazner 1997-8-3 14054 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  JEPS72368  Orobanche corymbosa subsp. corymbosa Gladys L. Smith 1972-8-25 3416 Placer Near base of Granite Chief. Comment
  UCD22164  Orthilia secunda Rex Palmer 1979-7-11 N 537 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC238391  Orthocarpus Catherine Best 1982-6-23 s.n. Placer Goose Meadow 5 miles south of Truckee on Hwy. 89 1767 Comment
  SCFS1214  Orthocarpus cuspidatus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top meadow. Comment
  UC194170  Orthocarpus cuspidatus subsp. cryptanthus C. F. Sonne 1884-8-10 Placer road to Lake Tahoe near Toll House; road to Lake Tahoe near Toll House Comment
  RSA516502  Orthocarpus hispidus W. L. Jepson 1931-6-16 15929 Placer Tahoe Vista, Lake Tahoe. 2043 Comment
  SEINET474026  Osmorhiza berteroi M. E. Jones 1882-6-29 Placer Emigrant Gap Comment
  UC1505700  Osmorhiza berteroi Robert T. Clausen and Harold Trapido 1940-7-13 4888 Placer n Ward Creek (2 mi w of Lake Tahoe); Sierra Nevada, Lake Tahoe Basin 1905 Comment
  UCD127774  Osmorhiza berteroi G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12049 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCD21639  Osmorhiza berteroi Rex Palmer 1979-6-20 N 308 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET11132386  Osmorhiza berteroi F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  UC1058498  Osmorhiza occidentalis Peter H. Raven 1958-6-14 13208 Placer Donner Pass; w side 2164 Comment
  UCR226147  Osmorhiza occidentalis Ellen Dean, K. F. Mawdsley, Gordon Harrington, Mark Bibbo, J. Poloske 2008-7-20 5204 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, ridge beween Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use 2208 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
  CAS-BOT-BC413165  Oxyria digyna A. A. Heller 1917-8-14 12922 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  JEPS37275  Packera cana C. F. Sonne 1888-7-29 373 Placer <??>ardi Peak, on Truckee River Sierra Nevada Mountains, Truckee River 2590 Comment
  JEPS60655  Paeonia brownii W. L. Jepson 1918-7-30 7728 Placer near Tahoe City; Lake Tahoe 1920 Comment
  JEPS59363  Paeonia brownii Ezra Brainerd and Viola B. Baird 1915-7-7 112 Placer along road Squaw Valley; Sierra Nevada Mts. 1905 Comment
  CAS-BOT-BC253674  Panicum capillare Catherine Best 1981-6-17 s.n. Placer Highway 80 Rest Stop near Gold Run 990 Comment
  SACT001629  Panicum capillare Josephine Van Ess 1976-8-11 Placer 91.5 Comment
  SACT001633  Panicum dichotomiflorum Josephine Van Ess 1976-9-15 Placer Collected on the bank of reservoir on road to dam. Amoung rocks, dry where water receded. 76.2 Comment
  UCD34185  Panicum dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Applegate. Comment
  UCR232250  Parentucellia viscosa George K. Helmkamp, E. A. Helmkamp 2011-5-6 17221 Placer Eastern Edge of Sacramento Valley, Camp Far West Road, 0.1 mile west of its junction with McCourtney Road, c. 6.3 mi. NE (67 deg. ) of Wheatland 58 Comment
  CAS-BOT-BC259632  Paspalum dilatatum Peter H. Raven 1954-8-27 7955 Placer Roseville 48 Comment
  UCD37739  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. Comment
  UCD88726  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer 1 mile west of Auburn, along U.S. Highway 40. Comment
  POM264538  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mi north of Lincoln Comment
  SD44726  Pectocarya pusilla Darley F. Howe 1941-5-3 Placer 825 Comment
  CHSC73204  Pedicularis attollens L. P. Janeway; Eric Shroder 1998-9-16 6319 Placer Lake Tahoe Basin Management Unit. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. 2164 Comment
  RSA401935  Pedicularis attollens Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  UC480747  Pedicularis groenlandica W. C. Blasdale 1923-7-15 Placer Ellis Peak; Lake Tahoe Regio Comment
  UC1294000  Pedicularis racemosa E. F. Sprague 1957-7-14 1598 Placer up slope behind Rainbow Tavern (and to e end of road, Hwy 40) 1828 Comment
  CDA11927  Pedicularis semibarbata G. F. Hrusa, J. Dinsdale 1989-5-2 7064 Placer Sierra Nevada; Mosquito Ridge Rd, at intersection of spur to Placer Redwood Grove. Comment
  POM44038  Pedicularis semibarbata Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  SEINET4560767  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2010-1 16659 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  SCFS11529162  Pellaea brachyptera E. Krimmel, F. Felix 2012-9-13 Placer North Fork, American River. Comment
  SEINET3153898  Pellaea brachyptera M. E. Jones 1882-6-28 3275 Placer Emigrant Gap Comment
  CAS-BOT-BC67608  Pellaea bridgesii Alice Eastwood 1909-7-1 s.n. Placer Lake Tahoe region - Ward Pass Comment
  POM120623  Pellaea bridgesii Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  CAS-BOT-BC67604  Pellaea bridgesii David D. Keck 1932-6-30 1573 Placer Sierra Nevada - 1 mile E. of Cisco. 1798 Comment
  CAS-BOT-BC67625  Pellaea mucronata Saichi Kawahara 1969-5-24 832 Placer Cape Horn, overlooking north fork of Americna river, Colfax-Iowa Hill Road, between Dinner Tree & Windy Point 585 Comment
  CAS-BOT-BC67622  Pellaea mucronata Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4018 Placer Abvoe bridge on North Fork American River on Rt. 49. 365 Comment
  POM44449  Penstemon azureus subsp. azureus H. M. Hall 1910-6-19 8702 Placer Cisco. 1800 Comment
  UC886822  Penstemon azureus var. angustissimus Marcus E. Jones, A. M. 1882-7-3 3437 Placer Colfax Comment
  SD239922  Penstemon azureus var. azureus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17856 Placer Northern Sierraa Nevada Mountains: Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 me. NE (65a^z) of Emigrant Gap. Slope above Fulda Creek. 1590 Comment
  UC750576  Penstemon azureus var. azureus Lewis S. Rose 1946-6-23 46172 Placer n Cisco; Rainbow, n of Cisco 1737 Comment
  UC886820  Penstemon azureus var. azureus A. A. Heller 1917-8-13 12915 Placer ridge nw of Donner Pass; nw of Donner Pass 2377 Comment
  RSA437416  Penstemon deustus Robert F. Thorne, J. Chandler 1987-6-26 5422 Placer CA Hwy 267, 3.2 mi S of Brockway Summit. Comment
  JEPS86488  Penstemon gracilentus L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6568 Placer ca 5 mi se Donner Lake (below Ada's Rock, sw of slope of Tinker Knob, Sherman Chickering's Soda Springs holdings); se of Donner Lake, sw slope of Tinker Knob 2407 Comment
  JEPS71738  Penstemon heterodoxus Gladys L. Smith 1972-6-21 3195 Placer plateau about terminus of Summit chairlift, Ward Peak Ward Peak 2621 Comment
  RSA408085B  Penstemon heterodoxus M. V. Hood 1939-7-4 s.n. Placer Upper Soda Springs. Comment
  UC1063369  Penstemon heterodoxus var. heterodoxus N. French 1934-7-21 433 Placer nw end Kid Lake; Tahoe National Forest, Truckee Quadrangle Comment
  JEPS7572  Penstemon heterophyllus var. purdyi W. H. Shockley Jun 1886 15 Placer Auburn Comment
  UC565577  Penstemon heterophyllus var. purdyi Herbert L. Mason 1926-5-28 3271 Placer 5 mi above Auburn; above Auburn Comment
  RSA463161  Penstemon laetus Lyman D. Benson 1932-7-31 4024 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  SD243211  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill. 1402 Comment
  SD243212  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18190 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
  SCFS1206  Penstemon newberryi E. Krimmel 2014-4-21 Placer Farthest rocky outcrop on Point Mariah Comment
  RSA285590  Penstemon newberryi subsp. newberryi D. C. Michener 1981-7-16 4011 Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  CAS-BOT-BC239276  Penstemon newberryi var. berryi John H. Thomas; Hazelle A. Thomas 1956-7-21 6158 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC239286  Penstemon newberryi var. berryi Betty J. Jorgensen 1944-7-2 512 Placer Along summit near Donner Pass Comment
  UC887196  Penstemon newberryi var. newberryi A. A. Heller 1917-6-18 12710 Placer below Cisco (along the Yuba river) Comment
  CDA13702  Penstemon roezlii G. F. Hrusa, J. Glazner 1997-8-3 14062 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UC579459  Penstemon roezlii N. French 1934-5-28 372 Placer 1 1/2 mi w Black Mountain; Tahoe National Forest, Colfax Quad., w of Black Mountain 1767 Comment
  UCR231009  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16797 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
  POM98174  Penstemon roezlii E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
Read comments
Jan 1 2016
  CHSC74279  Penstemon rydbergii var. oreocharis Susi Urie 1998-8-27 98 -119 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC9528  Penstemon rydbergii var. oreocharis J. F. Goodwin 1971-7-11 169 Placer 200 ft. south of Hwy. 267 in open meadow, with creek, 4.0 mi. se of Truckee. 1950 Comment
  NY651288  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  RSA401781C  Penstemon speciosus Bonnie C. Templeton 1931-7-5 1510 Placer Near Meek's Bay, Lake Tahoe. 2204 Comment
  NY661071  Penstemon speciosus C. B. Wolf 1937-9-4 9288 Placer Sierra Nevada, Auburn-Truckee Road S. side S. Fork Yuba River near Cisco 1798.3 Comment
  JEPS126327  Perideridia bolanderi Steve Matson 1998-6-21 269 Placer Martis Valley; about 4 miles SE of Truckee; 1/4 mile north of Highway 267, 60 ft east of Martis Creek Wildlife Area. Comment
  CHSC74182  Perideridia lemmonii Susi Urie 1998-8-26 98 -113 Placer Eastern end of Page Meadows; abot 1.5 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 30 W']. 2121 Comment
  JEPS8691  Perideridia lemmonii Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunziker, D. Zohary, F. Ehrendorfer & H. Stutz 1952-7-20 3888 Placer s slope just below summit of serpentine hill above Shirttail Creek (7 mi e of Iowa Hill) 1188 Comment
  UC1436542  Perideridia lemmonii Arnold Tiehm Apr 1977 s. n. Placer Goose Meadow, Lake Tahoe Comment
  UCD43022  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 391 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SBBG8972  Persicaria lapathifolia E. R. Blakley 1960-9-3 3818 Placer King's Beach, Lake Tahoe, exposed lake bottom due to low water 1903 Comment
  CAS-BOT-BC419304  Persicaria punctata Brighton C. Cain 1925-8-15 9 Placer 2 miles south of Auburn at Wise Power House Comment
  UC1585890  Petrorhagia dubia Barbara Ertter with David Thompson 1989-4-9 8187 Placer ca 8 airmi ne Auburn (Auburn-Forest Hill Road 6.2 mi sw of Spring Garden Road jct.) 609 Comment
  UC24423  Phacelia egena W. H. Brewer 1865-4-13 4580 Placer New Castle Comment
  UCD120496  Phacelia hastata subsp. compacta G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12637 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCD43241  Phacelia heterophylla C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 610 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC881158  Phacelia humilis Alice Eastwood Jun 15 1912-Jun 19 1912 484 Placer Deer Park Lake Tahoe Region Comment
  UC702950  Phacelia humilis Lewis S. Rose 1940-6-2 Placer 10 min n Tahoe City; Truckee River 1828 Comment
  CHSC85485  Phacelia hydrophylloides G. F. Hrusa; J. Glazner 2000-9-3 15681 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCD75688  Phacelia hydrophylloides Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5137 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  JEPS21168  Phacelia marcescens N. French 1934-5-24 362 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  CAS-BOT-BC226910  Phacelia mutabilis George K. Helmkamp; E. A. Helmkamp 2011-7-26 17857 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
  CDA15650  Phacelia mutabilis G. F. Hrusa, J. Glazner 1999-7-18 15201 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UC147628  Phacelia mutabilis Harriet A. Walker 1908-6-24 1267 Placer Blue Canyon 1432 Comment
  UCD22020  Phacelia mutabilis Beth Lowe Corbin 1982-8-2 155 Placer Onion Creek Campground. 1841 Comment
  SEINET5506818  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer Cisco 1804 Comment
  CHSC67951  Phacelia stebbinsii James D. Jokerst 1988-6-6 3005 Placer Ca. 1 mi W of Ramsey Crossing, N of Long Canyon Creek. Comment
  UCD41264  Phacelia vallicola Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1721 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  SACT001691  Phalaris aquatica D. Meyer 1984-6-3 Placer 585.0 Comment
  SACT001704  Phalaris lemmonii D. Meyer 1984-4-15 Placer Roadside appears to have been a vernal pool. Dry. 36.97 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
  SBBG120612  Philadelphus lewisii G. K. Helmkamp with E. A. Helmkamp 2006-6-14 10705 Placer 0.2 mi N of Forest Hill Rd on unnamed rd to Lake Clementine (general area NE of Auburn on Forest Hill Divide) 488 Comment
  UC858324  Philadelphus lewisii Marcus E. Jones, A. M. 1882-7-3 3586 Placer Colfax Comment
  SACT001737  Phleum alpinum Michael Baad 1976-8-4 Placer Ascent of creek bed draining Midred Lakes. Comment
  UCD42860  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 227 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC250852  Phleum pratense Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  JEPS127438  Phlox diffusa Steve Matson 1999-6-12 405 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/kings Beach; dirt road extension of Tiger Ave. heading west. Comment
  JEPS71462  Phlox diffusa Gladys L. Smith 1972-6-20 3213 Placer Ward Peak 2621 Comment
  UCD22116  Phlox diffusa Rex Palmer 1979-6-19 N 252 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA12402  Phlox gracilis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8530 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  RSA772289  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2010-4-17 15902 Placer along CA-49, 2.5 miles southeast of Pilot Hill 271 Comment
  CAS-BOT-BC60615  Phoenicaulis cheiranthoides Alice Eastwood 1912-6-15 367 Placer Lake Tahoe Region. Deer Park. Comment
  JEPS15401  Phoenicaulis cheiranthoides Helen D. Geis 1912-6 61 Placer Deer Park, The Crags Deer Park; , The Crags Comment
  SEINET12230738  Phoradendron libocedri I. L. Wiggins 1930-1 5084 Placer near Cisco 1981 Comment
  UCR231865  Physocarpus capitatus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17030 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
  UCD19424  Phytolacca americana var. americana A. M. Shapiro 2001-9-20 s.n. Placer Dutch Flat Powerhouse Road, ca. 2.2 km past jct. with Nary Red Rd. [vic. of Alta]. 830 Comment
  CHSC96462  Pilularia americana Lowell Ahart; Brian Williams 2007-4-13 13666 Placer On the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CAS-BOT-BC76971  Pilularia americana W. A. Weber 1953-5-19 8396 Placer 5 mi. N of Roseville on road to Lincoln. 45 Comment
  CAS-BOT-BC78461  Pinus contorta subsp. murrayana Geo. B. Grant 1906-7-15 6997 Placer Tahoe Taver, Lake Tahoe 1889 Comment
  CAS-BOT-BC78462  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit [valley] Valley 2118 Comment
  UCR171397  Pinus contorta subsp. murrayana George K. Helmkamp, E. A. Helmkamp 2005-10-1 9976 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
  NY49930  Pinus contorta var. murrayana N. H. Holmgren 1969-7-25 3753 Placer Sierra Nevada, California [Highway] 267 between Truckee and Interstate [Highway] 80 1828.8 Comment
  SEINET11738786  Pinus contorta var. murrayana H. H. Heller 1934-1 s.n. Placer Lake Tahoe Comment
  UCD23233  Pinus lambertiana Beth Lowe Corbin 1982-8-20 394 Placer 1 mile northwest of Onion Creek campground. 2072 Comment
  CHSC74934  Pinus ponderosa Russell Stein 1984-4-25 Placer 6 miles east of Auburn. 457 Comment
  UC1819257  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  SEINET3875087  Pinus sabiniana James K. Detling 1963-4-10 48 Placer 1 mile from Auburn on Highway 49.; 0 381 Comment
  UCR218239  Piperia elongata George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16440 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  SEINET6167688  Piperia unalascensis M. J. Williams, B. Larson 1983-8-12 83- 135 -3 Placer West side of Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  UCD34186  Pistacia atlantica Beecher Crampton 1977-9-30 9532 Placer Placer County, Applegate. Comment
  HSC82625  Plagiobothrys austiniae Thomas W. Nelson, Jane P. Nelson 1979-4-11 4608 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  CHSC67787  Plagiobothrys distantiflorus James D. Jokerst 1986-3-19 2600 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. Comment
  JEPS113117  Plagiobothrys fulvus Lowell Ahart, Brian Williams 2007-4-13 13636 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC881365  Plagiobothrys hispidulus A. A. Heller 1917-8-12 12877 Placer Southern Pacific Reservoir w Emigrant Gap; Southern Pacific Reservoir Comment
  UC78006  Plagiobothrys hispidus C. F. Sonne 1888-7-21 Placer w slope Washoe Mts. Washoe Mts.; w slope Washoe Mts. Comment
  UCSB5648  Plagiobothrys stipitatus Constance, Lincoln 1941-5-28 Placer Two miles north of Lincoln, Sacramento Valley 60 Comment
  CHSC96475  Plagiobothrys stipitatus var. micranthus Lowell Ahart; Brian Williams 2007-4-13 13638 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCR47818  Plagiobothrys stipitatus var. micranthus C. B. Wolf 1937-5-12 08622 Placer Sacramento Valley, 1 mi north of Lincoln 46 Comment
  UC1950082  Plantago erecta Barbara Ertter with David Thompson 1989-4-9 8191 Placer NW side of road; Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., ca 8 airmiles NE of Auburn Comment
  CHSC74243  Plantago lanceolata Susi Urie 1998-9-2 98 206 B Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  JEPS126264  Plantago lanceolata Steve Matson 1997-8-1 69 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; near Highway 28 in main meadow. Comment
  POM69140  Plantago lanceolata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UCD21983  Plantago lanceolata Beth Lowe Corbin 1982-8-11 311 Placer 1 1/4 mile WNW of Onion Creek campground. In rocky, fine, sandy soil on old logging road. Clumped perennial. Bracts brown, anthers yellow. Mostly sun. West facing slope, 20% incline. Uncommon. 1981 Comment
  UCR258537  Plantago lanceolata George K. Helmkamp, Amy Barnes 2014-3-21 22625 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  RSA35140  Platanthera leucostachys Lewis S. Rose 1944-7-25 44255 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UC1134745  Platanthera leucostachys N. French 1934-7-7 497 Placer Texas Hill Colfax Quad., , Tahoe National Forest Comment
  SDSU11330  Plectritis macrocera D. F. Howe 1948-5-23 1905 Placer American River 305 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
  HSC10629  Poa annua L. M. Malloy 1965-4-11 23 Placer 5 mi. S of Auburn, 0.5 mi. E of Scott's Corner on County Rd. P. 58 Comment
  SACT001779  Poa annua D. Meyer 1983-5-15 Placer In field at southeast corner 36.6 Comment
  CDA16043  Poa bolanderi G. F. Hrusa, J. Glazner 2000-9-3 15670 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. Abies concolor, A. magnifica, Pinus monticola, P. contorta forest with dense herbaceous understory. Along old logging roadbed. Annual. 2164 Comment
  UCD21596  Poa bolanderi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1260 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCR208558  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14658 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  SACT001814  Poa bulbosa Josephine Van Ess 1978-3-23 Placer 378.0 Comment
  SACT001827  Poa canbyi Michael Baad 1983-8-11 Placer To Five Lakes Basin, continuing 2.4 km west toward Whiskey Creek. 2072.0 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
  CAS-BOT-BC255051  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Along the railroad at Blue Canyon 1432 Comment
  CAS-BOT-BC255052  Poa compressa John Thomas Howell; Gordon H. True 1968-6-9 44516 Placer Alta 1066 Comment
  SACT001842  Poa fendleriana Michael Baad 1983-9-3 Placer On saddle to Mount Lincoln to summit of Mount Lincoln 2529.0 Comment
  SACT001873  Poa nervosa Michael Baad 1976-7-21 Placer Southwestern face of Lyon Peak descending to spring emptying into the Middle Fork of the American River. 16 km southeast of Soda Springs. 2377.0 Comment
  SACT001875  Poa nervosa D. Meyer 1984-8-26 Placer 1818.0 Comment
  CHSC74173  Poa palustris Susi Urie 1998-8-25 98 -097 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74343  Poa palustris Susi Urie 1998-8-13 98 -038 Placer Lake Tahoe Basin-National Forest. Meadow along he south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  RSA115550  Poa palustris Beecher Crampton 1956-7-17 3727 Placer railroad embarkment under Alnus, 3/4 mile west Blue Canyon 1433 Comment
  SACT001892  Poa palustris D. Meyer 1984-7-21 Placer 7.52 km southeast of Placer County line moist shaded stream area. 9 mfrom roadway. 1758.0 Comment
  UCD38668  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Blue Canyon. 1432 Comment
  UCD91793  Poa palustris Beecher Crampton 1956-7-17 3727 Placer 0.75 mile west of Blue Canyon Store. Comment
  SACT001908  Poa pratensis Michael Baad 1983-7-1 Placer 0.2 mile beyond airport road on road to Blue Canyon 1584.96 Comment
  SACT001928  Poa pratensis D. Meyer 1984-8-26 Placer 1818.0 Comment
  SACT001931  Poa pratensis D. Meyer 1983-10-22 Placer Searchlight ski run, from base up to Olympic Lady charilift 2121.0 Comment
  SACT001943  Poa pratensis D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line, roadside wash. 1758.0 Comment
  SACT001945  Poa pratensis D. Meyer 1984-5-27 Placer Off Hwy 267 moist meadow surrounded by sagebrush. Comment
  UCD91920  Poa pratensis George Kerley 1965-12-14 89 Placer near Loomis. Ophir Hill Road. 365 Comment
  SACT001884  Poa pringlei Michael Baad 1976-7-22 Placer Northwest face of Lyon Peak to crest. 10 miles southwest of Soda Springs. 2377.0 Comment
  SACT001968  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, Douglas Fir Forest and Huckleberry Oak at openings, north-facing slope. Comment
  SACT001972  Poa scabrella Michael Baad 1976-6-10 Placer Along creek near trail to Robinson Flat. 1737.0 Comment
  SACT001981  Poa scabrella Michael Baad 1983-5-7 Placer 2 miles east of Colfax rocky opening disturbed area. 978.0 Comment
  SACT001993  Poa scabrella Michael Baad 1977-6-2 Placer White fir, black oak, incense cedar, ponderosa pine and douglas fir forest 853.0 Comment
  UCD22234  Poa secunda subsp. juncifolia Rex Palmer 1979-6-21 N 409 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC242949  Poa secunda subsp. secunda M. E. Jones 1882-6-28 11384 Placer Emigrant Gap Comment
  JEPS70662  Poa secunda subsp. secunda Leland S. Smith 1925-6-27 1652 Placer Balckwood Canyon, also Ward Creek Balckwood Canyon; Tahoe Forest 1920 Comment
  UC1132786  Poa secunda subsp. secunda G. T. Nordstrom 1934-6-21 128 Placer 0.4 mi w by nw Mammoth Springs (near Plot 208); Tahoe Nat'l Forest, Colfax Quadrangle Comment
  UCD91622  Poa secunda subsp. secunda A. A. Heller 1917-6-17 12696 Placer Along the Yuba River below Cisco. 1676 Comment
  UCD91889  Poa secunda subsp. secunda F. M. Reed; R. L. Pendleton 1907-7-23 1527 Placer Lake Tahoe Region Creek S of Camp Glen Alpine Springs. 2103 Comment
Read comments
Jun 21 2012
  CAS-BOT-BC244155  Poa sierrae G. L. Stebbins 1978-5-27 7872 Placer E side of Big Crater 1341 Comment
  UCD44495  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1861 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC67528  Pogogyne zizyphoroides James D. Jokerst 1986-4-14 2623 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  RSA0024682  Pogogyne zizyphoroides L. S. Rose, W. A. Weber 1953-5-19 8392 Placer 5 miles N of Roseville on road to Lincoln. 49 Comment
  UCD21615  Polemonium californicum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1259 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  SEINET12204560  Polygala californica M. E. Jones 1882-1 3316 Placer Colfax Comment
  JEPS43024  Polygala cornuta var. cornuta K. Brandegee Sept. 1888 Placer Blue Canyon 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
  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
  CAS-BOT-BC414539  Polygonum douglasii Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside Comment
  CHSC74248  Polygonum douglasii subsp. douglasii Susie Urie; Eric Schroder 1998-9-8 98 -278 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
  CAS-BOT-BC418581  Polygonum minimum John H. Thomas; Hazelle A. Thomas 1956-7-21 6179 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC418582  Polygonum minimum Alice Eastwood 1909-1-1 236 Placer Lake Tahoe Region. Squaw Creek Comment
  UCR253538  Polygonum persicaria George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20088 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  UCR194945  Polygonum polygaloides subsp. confertiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12032 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-BC420036  Polygonum polygaloides subsp. kelloggii John H. Thomas; Hazelle A. Thomas 1956-7-21 6144 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UC1191257  Polygonum punctatum Malcolm A. Nobs and S. Galen Smith 1949-8-22 1540 Placer Roseville; stream at sw city limits Comment
  UCD21933  Polygonum shastense Beth Lowe Corbin 1982-8-4 237 Placer 1 1/2 mile NNW of Onion Creek campground. In rocky, fine, sandy soil on subalpine talus slope. Spreading perennial. White calyx. East facing slope, 40% incline. Full sun. Uncommon. 2286 Comment
  SACT001569  Polypogon australis D. Meyer 1984-6-17 Placer near 20350 Margaret Ann Drive 545.0 Comment
  SACT001574  Polypogon australis D. Meyer 1984-8-4 Placer moist shady roadside 1358.0 Comment
  SACT002106  Polypogon australis D. Meyer 1984-6-3 Placer 1.6 km north of Applegate, shady oak woodland, moist area 606.0 Comment
  UC790965  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer near Auburn (bank of branch Rubicon River); bank of branch Rubicon River Comment
  SACT002039  Polypogon monspeliensis Josephine Van Ess 1976-8-18 Placer Collected on Ferriera Ranch just east of LIncoln on Highway 193. Edge ofsalt spring area. Comment
  CAS-BOT-BC76758  Polystichum imbricans subsp. imbricans Gordon H. True 1968-4-17 4165 Placer Hwy. 80 near Alta. 1097 Comment
  CAS-BOT-BC76757  Polystichum imbricans subsp. imbricans Fay A. Mac Fadden 1933-7-11 10946 Placer Canyon Creek, Monte Sita Inn Comment
  RSA693277  Polystichum lonchitis Fay A. MacFadden 1934-7-2 s.n. Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  OBI20169  Populus trichocarpa David J. Keil 1978-7-23 12934 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UCD22303  Populus trichocarpa Rex Palmer 1979-5-27 N 55 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22276  Potentilla breweri Rex Palmer 1979-6-20 N 352 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR208599  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14627 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CDA16969  Potentilla glandulosa subsp. reflexa G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16022 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC85747  Potentilla gracilis G. F. Hrusa; J. Glazner 1999-7-17 15174 Placer Martis Valley. Off Hwy 267, S of Truckee. Lower part of drainage. 1889 Comment
  SEINET11261737  Potentilla gracilis var. fastigiata George Helmkamp, E. A. Helmkamp 2011-7-26 17895 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, .9 mile north of its junction with CA Hwy 20, .85 mi. NE (231/4) of emigrant Gap and N of I-80 (Blue canyon 7.5' Q); 0 1434 Comment
  UCD44655  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2021 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC540397  Potentilla gracilis var. fastigiata Ira L. Wiggins 1933-8-21 6782 Placer Shores of Lake Tahoe, near Tahoma Comment
  JEPS13874  Primula suffrutescens C. J. Kraebel 1955-8-19 Placer above Squaw Valley Squaw Mountain (w of the upper Truckee River Canyon); , , w Upper Truckee River Cy 2438 Comment
  POM131210  Primula suffrutescens C. F. Sonne 1895-08 s.n. Placer E slope Mt. Anderson S of summit. 2439 Comment
  UC197214  Primula suffrutescens C. F. Sonne 1897-8-14 Placer e slope Mt. Anderson; Sierra Nevada, e slope Mt. Anderson 2438 Comment
  UC570339  Primula suffrutescens B. Bolt 1934-7-12 110 Placer Snow Mountain; Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  SEINET8565286  Primula suffrutescens P. B. Kennedy, S. B. Doten 1901-8-10 272 Placer Summit of Devils Cliff, Soda Springs. Comment
  RSA0093562  Prunella vulgaris var. lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22418 Placer Sierra Nevada Mountains Foothills. Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road. 651 Comment
  SJSU11337  Prunella vulgaris var. lanceolata R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  CAS-BOT-BC159834  Prunus cerasifera H. K. Wagnon; T. C. Fuller 1964-5-18 11984 Placer S. of r.r. tracks, c. of Dutch Flat Rd., Alta Comment
  LA209079  Prunus emarginata A. A. Heller; 1917-8-15 12940 Placer Lincoln Hwy near Yuba Pass, near the upper limit of the Yellow pine belt 1828 Comment
  UC1128301  Prunus emarginata N. French 1934-5-31 388 Placer 1/2 mi e of Texas Hill (Tahoe National Forest); Tahoe National Forest 1584 Comment
  UC1128311  Prunus emarginata N. French 1933-9-14 100 Placer Tahoe National Forest, Greek Store Greek Store; Tahoe National Forest, Greek Store 1676 Comment
  UC1128313  Prunus emarginata G. T. Nordstrom 1934-6-21 147 Placer 2 1/2 mi w by nw of Mammoth Springs (Tahoe National Forest); Tahoe National Forest 1584 Comment
  UC859381  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer below Cisco (near the Yuba River) 1676 Comment
  UCD113213  Prunus emarginata G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12063 Placer Northern Sierra Nevada Mountains; Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 Comment
  UCR170815  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2005-9-30 9955 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  POM101684  Pseudostellaria sierrae Marcus E. Jones 1882-6-28 3287 Placer Emigrant Gap. Comment
  JEPS48285  Pseudotsuga menziesii var. menziesii L. S. Smith 1914-8-1 Placer Cisco Comment
  UCR208594  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2009-5-11 14659 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  JEPS111247  Psilocarphus brevissimus var. brevissimus Steve Matson 2005-6-11 1259 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3016 N, 120.1324 W; Elevation 5835 ft. 1778 Comment
  JEPS40455  Psilocarphus brevissimus var. brevissimus R. E. Arp 1932-4-28 7 Placer Roseville Comment
  UC192995  Ptelea crenulata C. F. Sonne 1891-5-17 Placer Auburn Comment
  UCD23229  Pteridium aquilinum var. pubescens Beth Lowe Corbin 1982-8-3 194 Placer Hill west of Onion Creek campground. 1853 Comment
  UCR231876  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-10-16 17019 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
  JEPS129002  Purshia tridentata var. tridentata Steve Matson 1998-6-14 255 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, east of Martis Creek. Comment
  JEPS71933  Purshia tridentata var. tridentata Gladys L. Smith 1972-6-20 3198 Placer Ward Peak; about terminus of Summit chairlift 2621 Comment
  UC1128527  Purshia tridentata var. tridentata N. French 1934-6-22 460 Placer 0.5 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. 2286 Comment
  POM126530  Pycnanthemum californicum Katherine Brandegee 1908-07 s.n. Placer Cape Horn. Comment
  SEINET7246500  Pyrola asarifolia T. W. Richardson 2002-8-8 s.n. Placer [Sierra Nevada] Tahoe City, Lake Forest, Robert Pomin Park 1902 Comment
  CDA13667  Pyrola asarifolia var. asarifolia G. F. Hrusa, J. Glazner 1997-8-3 14027 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  RSA467877  Pyrola californica B. C. Templeton 1931-7-5 1517 Placer near Meek's Bay. 2280 Comment
  CAS-BOT-BC462774  Pyrola dentata Alice Eastwood 1909-1-1 296 Placer Lake Tahoe Region: Squaw Creek Comment
  SEINET7257196  Pyrola minor S. Emerson 1982-9-18 s.n. Placer Forest Hills, Mosquito Ridge Road 518 Comment
  JEPS126342  Pyrola picta Steve Matson 1998-7-28 350 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; above West Fork of Snow Creek. Comment
  SBBG59894  Pyrola picta M. N. Ackley -Jun-1925 319 Placer Baxter 1127 Comment
  SEINET12528240 Image available Pyrola picta f. aphylla A. P. Kelley 1925-1 763 Placer Among rocks on north slope of canon under conifers. Comment
  UCSC009131  Quercus X morehus Al Keuter 2015-3-31 10- 33 -1 Placer North Fork American River/SR193 221 Comment
  SACT002693  Quercus X morehus J. Jorgenson 1959-8-13 Placer Comment
  SACT002611  Quercus chrysolepis Michael Baad 1977-6-2 Placer Descening trail from south. Mixed coniferous forest. 853.0 Comment
  UCD45386  Quercus chrysolepis Eric Brenner; John Hunter 1996-5-26 006 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. Elev. 1870 m. 1870 Comment
  UC119113 Image available Quercus chrysolepis A. Eastwood 1994-9-10 Placer Colfax, Placer Co., Cal. Comment
  UC463078  Quercus chrysolepis R. R. Rogers 1931-1-1 Placer near Iowa Hill; Wisconsin Hill Comment
  SACT002126  Quercus douglasii Josephine Van Ess 1978-9-8 Placer collected near top of ridge; dry hillside; small tree, atypical leaves with spring lobes, typical rough gray bark 176.8 Comment
  SACT002608  Quercus dumosa Josephine Van Ess 1978-2-21 Placer Collected near bridge at edge of wooded area, somewhat open. 365.8 Comment
Read comments
Nov 20 2014
  UCD45973  Quercus durata Carl Chapman 1978-5-13 25 Placer 4 rd mi. E. of French Meadow Road and Forest Hill Road. 914 Comment
  RSA476820  Quercus kelloggii Wm. Martin 1971-9-10 20203 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  UC1140073  Quercus kelloggii Marcus E. Jones, A. M. 1882-6-30 2871 Placer Emigrant Gap Comment
  UCSC009999  Quercus kelloggii Al Keuter 2014-6-15 00 101 B Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  CAS-BOT-BC104585  Quercus vacciniifolia John H. Thomas; Hazelle A. Thomas 1956-7-21 6189 Placer Vicinity of Donner Pass, about 80 miles NE of Sacramento 2377 Comment
  CAS-BOT-BC104589  Quercus vacciniifolia Mary P. Wells 1980-9-11 s.n. Placer Sierra Nevada. Forest West of Pioneer Way. Tahoe City 1981 Comment
  OBI14214  Quercus vacciniifolia Robert F. Hoover 1967-9-5 10822 Placer Carnelian Bay, Lake Tahoe Comment
  UC405379  Quercus vacciniifolia J. Grinnell 1913-9-26 Placer Cisco Comment
  UCD47482  Quercus vacciniifolia G. T. Nordstrom 1934-6-18 104 Placer 1/4 mile southeast top of Texas Hill. 1615 Comment
Read comments
Aug 12 2008
  CDA19799  Quercus wislizeni K. Kosta, C. Blomquist November 2001 s.n. Placer Northern California; No location data provided. 0 Comment
  SEINET10437815  Quercus wislizeni W. D. Billings 1939-3-19 1192 Placer 2 miles N of Auburn. Comment
  CAS-BOT-BC379469  Ranunculus alismifolius Peter Rubtzoff; Edward W. Colson 1976-7-7 8730 -A Placer Lake Van Norden, moist meadow on east side of lake 2063 Comment
  UC827590  Ranunculus alismifolius var. alismellus A. A. Heller 1917-6-17 12712 Placer below Cisco; Yuba River 1676 Comment
  UC827591  Ranunculus alismifolius var. alismellus Alice Eastwood Jun 15 1912-Jun 19 1912 383 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC379430  Ranunculus alismifolius var. hartwegii Larry Doughty 1961-5-6 s.n. Placer Boca Res. Station 1707 Comment
  CAS-BOT-BC379434  Ranunculus alismifolius var. hartwegii John Thomas Howell 1943-7-17 8490 Placer west side of Donner Pass near Norden, Boreal Ridge 2134 Comment
  CAS-BOT-BC379438  Ranunculus alismifolius var. hartwegii E. R. Drew 1925-5-18 s.n. Placer Hobart Mills Comment
  CAS-BOT-BC379443  Ranunculus alismifolius var. hartwegii Peter H. Raven 1950-6-27 2426 Placer at S base of Boreal Ridge 2164 Comment
  CHSC73984  Ranunculus aquatilis var. capillaceus Susi Urie 1998-8-19 98 -082 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  RSA795178  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  SD44658  Ranunculus hebecarpus Darley F. Howe 1951-5-1 2101 Placer Placer Co. 456 Comment
  UC9441  Ranunculus hebecarpus H. N. Bolander 1865-4-10 4510 Placer Auburn Comment
  SD43654  Ranunculus muricatus Darley F. Howe 1948-5-21 1909 Placer Placer Co. 456 Comment
  CHSC73190  Ranunculus occidentalis L. P. Janeway 1998-8-6 5983 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  SD239889  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18934 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  UC827908  Ranunculus occidentalis Lewis S. Rose 1940-6-2 40465 Placer 10 mi n Tahoe City; Truckee River 1828 Comment
  UCD22189  Ranunculus occidentalis Rex Palmer 1979-6-19 N 226 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43263  Ranunculus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 631 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD80701  Ranunculus occidentalis CNPS SN Foothill Team 2005-4-11 SNFN 0103 d Placer Placer Legacy, Spears/Didion Ranch (Spear's Ranch), above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  UCR250359  Ranunculus occidentalis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20371 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  SEINET5338812  Ranunculus occidentalis H. E. Hodge 1956-3-18 2 Placer Collected northwest of Colfax, off of US Hwy. 40, Approximately 6 miles. 617 Comment
  POM147025  Ranunculus occidentalis var. eisenii Alice Eastwood 1927-3-26 14145 Placer On road between Placerville and Coloma. Comment
  JEPS127534  Ranunculus occidentalis var. ultramontanus Steve Matson 1997-7-15 4 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave. Comment
  UCD44729  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2095 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD43352  Ranunculus uncinatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 720 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD41223  Raphanus sativus Delilah Wood 1976-5-15 8 Placer 0.8 mile south of Rocklin Road. Comment
  CAS-BOT-BC59527  Rhamnus alnifolia Carl B. Wolf 1937-9-4 9287 Placer Sierra Nevada, NW. of Lake Tahoe, 1 mi. below (E. of) Deer Park 1981 Comment
  CAS-BOT-BC59528  Rhamnus alnifolia Carl B. Wolf 1937-9-4 9287 Placer Sierra Nevada, NW. of Lake Tahoe, 1 mi. below (E. of) Deer Park 1981 Comment
  CAS-BOT-BC55968  Rhamnus ilicifolia C. L. Hitchcock 1940-5-14 6371 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  SEINET13946367 Image available Rhamnus rubra A. A. Heller 1917-1 12736 Placer Dry gravelly ridge, Emigrant Gap, elevation 5300 ft 1615 Comment
  UC870786  Rhamnus tomentella subsp. tomentella Marcus E. Jones, A. M. 1882-7-4 Placer Colfax Comment
  RSA31127  Rhododendron occidentale A. A. Heller 1917-6-19 12743 Placer 8 mi E of Colfax. Comment
  UC22142  Rhododendron occidentale Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UCD43341  Ribes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 709 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC108693  Ribes cereum Bethel; Posey 1921-6-5 s.n. Placer Tahoe. Comment
  CAS-BOT-BC108702  Ribes cereum D. E. Breedlove 1962-6-13 3541 Placer Sierra Nevada. 7.0 miles south of Truckee. On steep bank of Truckee River. 1828 Comment
  UC1127434  Ribes cereum D. Schlobohm 1934-10-2 1 Placer 3 mi s Truckee; Tahoe National Forest, Truckee Quadrangle Comment
  UC212402  Ribes cereum G. B. Grant 1902-7-17 1458 Placer Alta Peak Comment
  CDA12418  Ribes cereum var. cereum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8546 Ab Placer Lake Tahoe; W end of Ward Valley, 4 mi SW of Tahoe City. 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
  OBI20152  Ribes nevadense David J. Keil 1978-7-23 12942 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCSB16431  Ribes nevadense Breedlove, Dennis 1962-6-13 Placer Truckee River; 7.0 miles south of Truckee; Sierra Nevada 1828 Comment
  RSA0023139  Ribes nevadense Wm. Martin 1971-9-10 20263 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UCD22342  Ribes roezlii Rex Palmer 1979-5-26 N 18 Placer Headwaters basin area of the North Fork of the American River. 1950 Comment
  SEINET5339778  Ribes roezlii L. Miller 1932-6-26 s.n. Placer near Tahoe City 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-BC168776  Ribes viscosissimum Alice Eastwood 1909-1-1 293 Placer Squaw Creek - Lake Tahoe Region Comment
  UCD22352  Ribes viscosissimum Rex Palmer 1979-6-9 N 150 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCR232688  Robinia pseudoacacia George K. Helmkamp, E. A. Helmkamp 2011-9-30 18343 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
  CAS-BOT-BC74388  Rorippa curvipes Catherine Best 1981-8-2 s.n. Placer Sierra Nevada. French Meadow boat ramp. 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
  CHSC73937  Rorippa curvisiliqua Susi Urie 1998-8-19 98 -079 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UC147568  Rorippa curvisiliqua Harriet A. Walker 1908-6-23 1208 Placer Blue Canyon 1432 Comment
  UCD115292  Rorippa curvisiliqua Peter H. Raven 1949-6-28 1227 Placer Summit Valley. 2133 Comment
  JEPS115005  Rorippa curvisiliqua var. orientalis Lowell Ahart 2007-11-13 14595 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan 73 Comment
  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
  CAS-BOT-BC147019  Rosa woodsii subsp. ultramontana W. R. Dudley 1909-8-23 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC133119  Rosaceae Saichi Kawahara 1969-5-24 847 Placer Near garden, Henderson Ranch, Indian Creek 1005 Comment
  CAS-BOT-BC147109  Rubus glaucifolius Marcus E. Jones 1882-6-28 3309 Placer Emigrant Gap 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
  CAS-BOT-BC147176  Rubus parviflorus Frances Price 1919-1-1 s.n. Placer Lake Tahoe Comment
  RSA463212  Rubus parviflorus J. H. Nishida 1985-7-10 788 Placer Homewood. 1829 Comment
  UC112834  Rubus parviflorus Katharine Brandegee 1908-6 Placer near Gold Run; near Gold Run Comment
  UC481486  Rubus parviflorus G. W. Fetters 1929-7-10 Placer near Pomin's; Lake Tahoe, near Pomin's Comment
  UCD22284  Rubus parviflorus Beth Lowe Corbin 1982-8-4 205 Placer Hill 1/8 mile W of Onion Creek Campground. S facing slope, 50% inclination. Partial sun. Uncommon. Brushy opening in white fir forest, in deep conifer duff over fine, sandy, granitic soil. Subshrub 10 inches tall. Flowers white. 1853 Comment
  SEINET7705864  Rubus parviflorus P. A. Lehenbauer 1933-8-6 2305 Placer Tahoe, near Homewood Comment
  CAS-BOT-BC158731  Rubus ursinus Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4022 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  CAS-BOT-BC363204  Rudbeckia occidentalis Brandegee No date on label s.n. Placer Blue Canon [Canyon] Comment
  CAS-BOT-BC110490  Rumex Saichi Kawahara 1969-5-24 849 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek. 585 Comment
  CDA36876  Rumex acetosella CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CAS-BOT-BC422031  Rumex acetosella John Thomas Howell 1943-7-19 18564 Placer Summit Valley Comment
  CAS-BOT-BC422032  Rumex acetosella John Thomas Howell; Gordon H. True 1972-3-17 7084 Placer Northern outskirts of Lincoln 48 Comment
  UCD33736  Rumex triangulivalvis Beecher Crampton 1972-7-26 8847 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  JEPS103304  Sagina saginoides Lowell Ahart 2002-7-22 9884 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC935796  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 695 Placer Highway 40 s side Roseville Comment
  UCD22317  Salix eastwoodiae Rex Palmer 1979-7-11 N 585 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC103986  Salix geyeriana Mary P. Wells 1980-9-11 s.n. Placer Alpine Meadows near Bear Creek opposite stable 1950 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
  CAS-BOT-BC108207  Salix hindsiana W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Comment
  UCD22309  Salix jepsonii Rex Palmer 1979-6-20 N 313 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD80749  Salix laevigata CNPS SN Foothill Team 2005-4-13 SNFN 0107 d Placer Placer Legacy, located on Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  CAS-BOT-BC125290  Salix lasiandra var. lasiandra 1931-8-28 2630 Placer Tahoe National Forest Comment
  CAS-BOT-BC125294  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-29 5804 Placer Truckee River, below Tahoe City Comment
  CAS-BOT-BC125298  Salix lasiandra var. lasiandra W. R. Dudley 1909-8-1 s.n. Placer Monte Vista, Dutch Flat Comment
  CDA39563  Salix lasiolepis H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 Comment
  CAS-BOT-BC128470  Salix lasiolepis var. lasiolepis Gordon H. True 1968-7-9 4296 Placer East of Sheridan, 5.5 miles west of Camp Far West Reservoir Comment
  CAS-BOT-BC128474  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 11125 Placer Colfax Comment
  CAS-BOT-BC124776  Salix lemmonii W. R. Dudley 1900-6-14 5066 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124786  Salix lemmonii Gordon H. True 1965-5-18 1904 Placer Deer Creek trib. to Truckee River just below Squaw Valley, near confluence with Truckee River 1859 Comment
  CAS-BOT-BC235025  Sambucus John H. Thomas; Hazelle A. Thomas 1956-7-21 6088 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC238834  Sambucus nigra subsp. caerulea Carl B. Wolf 1930-10-11 1729 Placer 4 miles west of Emigrant Gap 1524 Comment
  CAS-BOT-BC238838  Sambucus nigra subsp. caerulea Peter H. Raven 1956-8-4 9989 Placer Blue Canyon 1432 Comment
  UCD137668  Sambucus nigra subsp. caerulea M. H. Mills 1996-4-26 169 Placer 5830 Walden Lane, Loomis. 180 Comment
  JEPS72387  Sambucus racemosa var. microbotrys Gladys L. Smith 1972-6-20 3248 Placer steep slope just below Ward Peak summit 2628 Comment
  UC1119893  Sambucus racemosa var. microbotrys N. French 1934-6-10 407 Placer near Lake Van Norden; Tahoe National Forest, Truckee Quadrangle 1920 Comment
  CDA15934  Sanguisorba annua G. F. Hrusa, J. Glazner 1999-7-17 15160 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SD81038  Sanguisorba annua Darley F. Howe 1971-7-3 Placer Truckee 1829 Comment
  SD254703  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22416 Placer Sierra Nevada Mountains Foothills: Yankee Jim Road, 3.6 mile northwest of its junction with Foresthill Road. 651 Comment
  SEINET4691686  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-1 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
  UCR233184B  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-7-9 17673 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  UCSB32297  Sanicula bipinnata Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CDA19549  Sanicula bipinnatifida M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 239 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
  SD44660  Sanicula bipinnatifida Darley F. Howe 1951-5-1 2103 Placer 455 Comment
  UC420483  Sanicula bipinnatifida C. F. Sonne 1891-5-17 1465 Placer Colfax Comment
  UCR208551  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2009-5-11 14666 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  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
  UCR250291  Sanicula crassicaulis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20806 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  POM133547  Sanicula graveolens C. F. Sonne 1895-06 4112 Placer Road to Lake Tahoe Comment
  UC147638  Sanicula graveolens Harriet A. Walker 1908-6-23 1239 Placer Blue Canyon 1432 Comment
  UCD21633  Sanicula graveolens Rex Palmer 1979-6-21 N 428 Placer Headwaters basin area of the North Fork of the American River. Below Tinker Knob. Comment
  CDA12400  Sanicula tuberosa G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8528 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  RSA471495  Sanicula tuberosa F. G. Mart 1934-03 12451 Placer Dutch Flat Comment
  SEINET11160323  Sanicula tuberosa M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks American River, 4 miles from Auburn. 274 Comment
  SEINET13945244 Image available Sanicula tuberosa L. S. Rose 1941-1 41323 Placer Edge of meadow, Chambers Lodge, Lake Tahoe. Ca 1900 m 1900 Comment
  SEINET12220593  Saxifraga bryophora C. F. Sonne 1884-1 89 Placer above Coldstraw Comment
  UCR250648  Saxifraga californica George K. Helmkamp, Mary Alice Barnes 2013-4-18 20376 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  SEINET3161168  Saxifraga integrifolia W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  JEPS47490  Saxifraga nidifica var. nidifica C. F. Sonne 1886-6-6 90 Placer road to Tahoe; Sierra Nevada Mountains Comment
  JEPS127401  Scandix pecten-veneris Steve Matson 2006-4-23 1606 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  SFV8582  Scandix pecten-veneris K. Zancai 1972-5-13 46 Placer Crother Road, 4 miles north of U. S. Interstate Highway 80. Along roadside in moist, shaded area near spring. Comment
  SCFS1125  Sceptridium multifidum F. Felix 2014-5-10 Placer Woods on trail to Heath Falls. Comment
  UCD126459  Schedonorus arundinaceus Beecher Crampton 1964-7-21 7122 Placer Cisco Grove (old site). 1722 Comment
  UCD21844  Scirpus congdonii Rex Palmer 1979-6-20 N 286 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD42859  Scirpus congdonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 226 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD158886  Scirpus diffusus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 255 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC110998  Scirpus microcarpus Lewis Samuel Rose 1944-7-25 44238 Placer Chambers Lodge, Lake Tahow meadow 1920 Comment
  UC1100817  Scirpus pungens Malcolm A. Nobs, S. Galen Smith 1949-8-22 1545 Placer at sw city limits Roseville (marshy stream) Comment
  CDA36895  Scleranthus annuus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CAS-BOT-BC243506  Scribneria bolanderi G. L. Stebbins 1978-5-28 7896 Placer East end of Ralston Ridge 1554 Comment
  SEINET238355 Image available Scribneria bolanderi Beecher Crampton 1953-4-21 1116 Placer 2 miles north of Lincoln, Sunnybrook Farms. Comment
  UCD92500  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 miles north of Lincoln. Comment
  POM42824  Scrophularia californica subsp. floribunda Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UCD83591  Scutellaria californica Albert Grigarick 2009-8-7 160 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1959 Comment
  UCD101982  Sedella pumila Allan R. Magie 1957-4-14 120 Placer Auburn. Comment
  JEPS72358  Sedum rosea subsp. integrifolium Gladys L. Smith 1972-6-18 3152 Placer volcanic cliff above Alpine Meadows; volcanic cliff above Alpine Meadows 2133 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
  UC905264 Image available Selaginella hansenii H. Bolander 1865-10-4 4511 Placer Auburn Comment
  CAS-BOT-BC62095  Selaginella hansenii G. Ledyard Stebbins 1969-11-30 6979 Placer West side of American River Canyon on road from Colfax to Iowa Hill 457 Comment
  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-BC69721  Selaginella wallacei G. Ledyard Stebbins 1969-11-30 6981 Placer Shirttail Canyon on Colfax - Forest Hill Road. 365 Comment
  UCD21788  Senecio Rex Palmer 1979-6-9 N 162 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC363364  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer Ca. 1 mile west of Baxter Comment
  SD43765  Senecio aronicoides Darley F. Howe 1948-5-23 1922 Placer American River 305 Comment
  SEINET191999  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca. 1 mile west of Baxter Comment
  CAS-BOT-BC363905  Senecio integerrimus var. exaltatus M. S. Jussel 1928-6-25 s.n. Placer Tahoe City Comment
  CAS-BOT-BC363909  Senecio integerrimus var. exaltatus Alice Eastwood 1912-6-15 418 Placer Five-lakes [Five Lakes], Lake Tahoe Region Comment
  SJSU5432  Senecio integerrimus var. exaltatus M. B. Olesen 1965-5-31 Placer near Incline Village, Lake Tahoe 1920 Comment
  UC472370  Senecio integerrimus var. major C. F. Sonne July 1897 6593 Placer Coldstream <?> to Tinker Knob Comment
  UCD42818  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 184 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC364391  Senecio triangularis F. A. Mac Fadden 1934-8-3 12792 Placer Canyon Creek Comment
  UCR171030  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2006-2-24 10070 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  NY951527  Sequoiadendron giganteum D. H. Goldman 2004-11-2 2920 Placer Mosquito Ridgem Placer County Big Trees Reserve, Tahoe National Forest 1634 Comment
  UCD83590  Sericocarpus oregonensis subsp. californicus Albert Grigarick 2009-8-7 159 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1959 Comment
  HSC33342  Setaria faberi K. Stark, William J. Ferlatte 1974-11-11 1677 Placer Near Penryn on Taylor Rd. 0.5 mi. E of Sicley Rd. 137 Comment
  UCD92678  Setaria faberi G. Douglas Barbe 1974-11-26 1984 Placer southeast corner of Newcastle Road and Brenner Road. Newcastle. Comment
  SACT002089  Setaria glauca D. Meyer 1984-7-9 Placer Pear and plum orchard. 206.0 Comment
  CAS-BOT-BC243549  Setaria parviflora David D. Keck 1932-7-1 1596 Placer 2 miles N. of Auburn on Nevada City Road 426 Comment
  CAS-BOT-BC243550  Setaria parviflora David D. Keck 1932-7-1 1596 Placer 2 miles N. of Auburn on Nevada City Road 426 Comment
  UC1261251  Setaria viridis G. D. Barbe 1974-11-26 1985 Placer e. Roseville (fence line along Barton Rd. at Eureka Rd., n.w. corner) Comment
  RSA252691  Setaria viridis var. major G. D. Barbe 1974-11-26 1985 Placer Fence line along Barton Road at Eureka Road, Northwest corner, East of Roseville Comment
  UCD116760  Sidalcea Frederica Bowcutt 1994-7-22 1946 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. Comment
  CDA25000  Sidalcea asprella J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 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
  UCD150575  Sidalcea glaucescens James A. Neilson Jr. 1970-7-9 1476 Placer Tahoe Basin, North Ward Valley. 2194 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
  POM153488  Sidalcea glaucescens P. A. Munz 1928-6-25 11091 Placer Tahoe Canyon, Lake Tahoe. 2073 Comment
  RSA232851  Sidalcea glaucescens L. S. Rose 1968-7-20 68187 Placer 2 miles east of Cisco Grove 1768 Comment
  UCD15658  Sidalcea malviflora Jessica Le 1989-6-3 19 Placer Out of Colfax city, onto Rd 174. 609 Comment
  POM260357  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1940-5-14 6390 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  RSA27944  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1940-5-14 6390 Placer Meier Ranch, 6 miles north of Colfax. 762 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
  UCD150577  Sidalcea oregana subsp. spicata James A. Neilson Jr. 1970-7-16 1544 Placer Tahoe Basin, Lower Ward Valley. 2011 Comment
  POM9889  Sidalcea oregana subsp. spicata E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  POM148068  Silene californica J. B. Feudge 1927-7-18 1648 Placer Baxter s Camp. Emigrant gap. Comment
  UC465606  Silene californica Katharine Brandegee July 1908 Placer Alta Comment
  UCD98570  Silene csereii Lester J. Berry 1969-5-15 s.n. Placer Foresthill. Charles Finning Property. Comment
  CAS-BOT-BC386977  Silene douglasii Alice Eastwood 1909-1-1 158 Placer Lake Tahoe Region, Sunnyside Comment
  UC196525  Silene douglasii C. F. Sonne 1891-8-9 Placer on road to Tahoe canyon above Squaw Valley; Canyon above Squaw Valley on road to Tahoe Comment
  SEINET3245883  Silene gallica G. K. Helmkamp, E. A. Helmkamp 2010-1 15903 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
  UCD98668  Silene gallica M. H. Mills 1996-4-12 143 Placer along roadside at 5830 Walden lane, Loomis. 180 Comment
  UCD164612  Silene laciniata subsp. californica Brandi Sorensen 1995-6-1 19 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD98751  Silene lemmonii John M. Tucker 1985-5-18 4479 Placer 14.3 miles (by winding road) east of Forest Hill; canyon slope above Mosquito Ridge Road. Comment
  POM100978  Silene occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco. 1800 Comment
  UCR222539  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2010-4-23 15912 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
  SACT002103  Sitanion hystrix Michael Baad 1976-6-16 Placer Collected on trail between first and second stream crossing. Comment
  SACT002105  Sitanion hystrix Michael Baad 1983-7-23 Placer Tahoe Airport. Along northeast side of Highway 267. 2100.0 Comment
  SACT002219  Sitanion hystrix D. Meyer 1983-8-7 Placer Moist shady area, Louisiana Pacific Private Forest enterance. 2000.0 Comment
  SACT002223  Sitanion hystrix D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT002226  Sitanion hystrix D. Meyer 1983-9-10 Placer Collected at west end of meadow near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT002239  Sitanion hystrix D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT002257  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
  CDA16049  Smilacina racemosa G. F. Hrusa, J. Glazner 2000-9-3 15663 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  UC1134666  Smilacina racemosa N. French 1934-5-31 387 Placer 1/2 mi e Texas Hill; Tahoe National Forest, Colfax Quadrangle 1584 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
  CDA5901  Solanum carolinense J. C. Henderson, K. Stark 1971-7-17 Placer Sierra Nevada; Southern Pacific Railroad tracks, Emigrant Gap. Comment
  UCD126842  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer between sidewalk and street, 221 Elm Street, Roseville. Comment
  CDA5942  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer 221 Elm Street, Roseville. 0 Comment
  RSA285951  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer sidewalk and street, 221 Elm St., Roseville, Placer Co. Comment
  UC1125012  Solanum umbelliferum N. French 1934-5-24 368 Placer N. fork, North Fork American River, Tahoe National Forest North Fork American River; Tahoe National Forest, North Fork American River 1341 Comment
  SEINET5624689  Solanum xanti var. montanum Margaret J. Williams 1985-7-6 85- 63 -4 Placer Pacific Crest Trail between old and new Donner Summits Comment
  CAS-BOT-BC365502  Solidago elongata M. S. Jussel 1928-7-22 s.n. Placer Velma Falls, Lake Tahoe region Comment
  CAS-BOT-BC365507  Solidago elongata A. A. Heller 1917-8-15 12938 Placer Soda Springs Station, lower end of Summit Valley 2042 Comment
  CHSC74207  Solidago elongata Susi Urie 1998-9-2 98 -207 Placer Lake Tahoe Basin--National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  JEPS126355  Solidago elongata Steve Matson 2002-8-4 659 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 Mtn. Creek. Comment
  JEPS32359  Solidago elongata L. S. Smith 1925-8-12 1698 Placer Millers Defeat which is about 2 1/2 mi s Duncan Peak (road to Last Chance); Millers Defeat 1859 Comment
  UC1035661  Solidago velutina subsp. californica Mildred M. Enzler 1939-9-17 Placer near Applegate (Highway 40) 609 Comment
  UC861955  Sorbus californica Lewis S. Rose 1940-5-29 40421 Placer Cisco 1737 Comment
  POM312972  Sparganium natans Malcolm A. Nobs, S. Galen Smith 1949-8-21 1509 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe Comment
  CDA39020  Spartium junceum D. G. Kelch 2011-10-2 11 .812 Placer Gold Run rest stop. Comment
  UCR146869  Spergula arvensis Beecher Crampton 1952-3-8 9452 Placer Sacramento Valley, southwest of Lincoln along Fiddyment road 38 Comment
Read comments
Oct 9 2010
  HSC82626  Spergularia rubra Thomas W. Nelson, Jane P. Nelson 1979-4-11 4610 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  SEINET5337300  Spergularia villosa S. Brent 1972-10-8 s.n. Placer Auburn, American River. 427 Comment
  UCD114068  Spiraea splendens G. F. Hrusa; J. Glazner 2000-9-3 15678 A Placer Sugar Bowl Ridge, immediately to w of proposed Crow's Nest ski run. 2164 Comment
  UCD150466  Stellaria crispa James A. Neilson Jr. 1970-8-26 1825 Placer Tahoe Basin, Ward Creek. 2011 Comment
  CAS-BOT-BC391173  Stellaria longipes subsp. longipes Geo. B. Grant 1906-7-15 6925 Placer Tahoe Tavern, Lake Tahoe Comment
  RSA0041895  Stellaria longipes subsp. longipes William Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UCR171028  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-24 10072 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  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
  CAS-BOT-BC375011  Stenotus acaulis John Thomas Howell 1943-7-26 18838 Placer Mt. Lincoln Comment
  JEPS111162  Stenotus acaulis Steve Matson 2005-7-16 1398 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  UC710568  Stenotus acaulis John Thomas Howell 1943-7-26 18838 Placer Mt. Lincoln Comment
  POM51462  Stephanomeria lactucina Katherine Brandegee s.n. Placer Donner. Comment
  UCD21790  Stephanomeria lactucina Beth Lowe Corbin 1982-8-4 209 Placer 1/4 mile W of Onion Creek campground. 1856 Comment
  UCR209720  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2009-8-12 15455 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  SACT002309  Stipa californica D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT002313  Stipa californica Michael Baad 1983-7-11 Placer 0.1 mile south of intersection. 3.5 air miles southeast of Emigrant Gap. Comment
  SACT002315  Stipa californica Michael Baad 1983-7-23 Placer 1/8 miles west of HIghway. 1828.0 Comment
  SACT002316  Stipa californica Michael Baad 1983-8-11 Placer Collected on trail from Alpine Meadowws to Five Lakes Basin. 1.5 miles west toward Whiskey Creek 2072.0 Comment
  SACT002354  Stipa lemmonii Michael Baad 1977-6-3 Placer Roadside serpentine. 0.5 mile west of station. 1164.0 Comment
  SEINET3815515 Image available Stipa lettermanii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18959 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 4.0 miles N of Forest Hill Road 1140 Comment
  SACT002386  Stipa occidentalis D. Meyer Placer NO date provided 1660.0 Comment
  OBI20289  Stipa occidentalis var. californica Robert F. Hoover 1967-9-7 10854 Placer Antone Meadow Comment
  CAS-BOT-BC87415  Streptanthus polygaloides Mary E. Jump 1939-6-25 s.n. Placer Road to Rawhide Mine about 5 miles from Alta (south or southeast). Comment
  CAS-BOT-BC87763  Streptanthus tortuosus A. A. Heller 1917-6-17 12690 Placer Near the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC87770  Streptanthus tortuosus J. F. Emmel 1969-7-18 189 Placer Ridge between Mount Judah and Sugar Bowl near Donner Pass. 2225 Comment
  CDA15757  Streptanthus tortuosus G. F. Hrusa, L. Serafini 1993-6-29 11251 Placer S side of French Meadows Reservoir, immed. below dam. Comment
  UCD162746  Streptanthus tortuosus Dylan O. Burge; J. Bisbee 2014-5-25 1630 Placer Bear River watershed, roadside on California States Route 20. 1430 Comment
  UCD22384  Streptanthus tortuosus Rex Palmer 1979-6-19 N 231 Placer Headwaters basin area of the North Fork of the American River Comment
  UC1126980  Streptanthus tortuosus var. orbiculatus N. French 1934-6-22 467 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle Comment
  UC1601629  Streptanthus tortuosus var. orbiculatus Lewis S. Rose 1941-7-23 41355 Placer Chambers Lodge (McKinney) Lake Tahoe 1920 Comment
  UC877966  Styrax officinalis var. redivivus Mary Elizabeth Jump 1939-5-15 Placer road to Foresthill; road to Foresthill Comment
  UCD119096  Styrax redivivus A. S. Crafts 1926-5-1 787 Placer American River Canyon. Comment
  CAS-BOT-BC215295  Symphoricarpos mollis F. Almeda 1993-7-25 7302 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  CAS-BOT-BC215299  Symphoricarpos mollis Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap Comment
  CAS-BOT-BC237001  Symphoricarpos mollis Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap Comment
  JEPS126375  Symphoricarpos mollis Steve Matson 2004-7-1 1063 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  JEPS126405  Symphoricarpos mollis Steve Matson 1998-8-21 383 Placer Tahoe north shore Watershed, Tahoe Vista/Kings Beach; dirt road extension of west from Tiger Ave. Comment
  UC147557  Symphoricarpos mollis var. acutus Harriet A. Walker 1908-6-23 1236 Placer Blue Canyon 1432 Comment
  JEPS72399  Symphoricarpos rotundifolius var. rotundifolius Gladys L. Smith 1972-6-20 3217 Placer Ward Peak; about terminus of summit chair 2621 Comment
  UCR171340  Symphoricarpos rotundifolius var. rotundifolius George K. Helmkamp, E. A. Helmkamp 2005-10-1 9972 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  CHSC41120  Symphyotrichum bracteolatum James D. Jokerst 1983-10-11 1918 Placer Along the banks of Long Canyon Creek ca 1/4 miles SE of Blacksmith Flat. Comment
  CAS-BOT-BC97857  Symphyotrichum eatonii W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC97858  Symphyotrichum eatonii John Thomas Howell 1943-7-25 18814 Placer West side of Donner Pass near Norden 2133 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-BC98477  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit Valley 2118 Comment
  CAS-BOT-BC98478  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit Valley 2118 Comment
  JEPS126314  Symphyotrichum spathulatum Steve Matson 1997-7-6 46 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  UCD75946  Symphyotrichum spathulatum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5187 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
  UC53989  Symphyotrichum spathulatum Chesnut and Drew 1898-8-8 Placer Cascade Lake Tahoe Comment
  CHSC74064  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-11 98 -018 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SEINET9351775  Symphyotrichum spathulatum var. spathulatum Unknown 2000-7-1 15613 Placer Placer Comment
  UCD21791  Taraxacum officinale Beth Lowe Corbin 1982-8-20 399 Placer 3/4 mile NW of Onion Creek campground. In fine, sandy, damp soil along old road through meadow. Ray flowers yellow. Milky sap. Partial sun. SW facing slope, 15% incline. 2072 Comment
  UCD21792  Taraxacum officinale Rex Palmer 1979-5-27 N 51 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43898  Taraxacum officinale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1264 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC72875  Taraxia subacaulis L. P. Janeway; Eric Schroder 1998-7-13 5753 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  JEPS127461  Taraxia subacaulis Steve Matson 1998-5-24 212 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 meters north of Highway 267, 100 meters east of Martis Creek. Comment
  CAS-BOT-BC392399  Thalictrum fendleri Alice Eastwood 1909-1-1 122 Placer Lake Tahoe Region. Sunnyside Comment
  UC1126226  Thalictrum fendleri N. French 1934-6-1 394 Placer Cisco Butte Tahoe National Forest, Colfax Quadrangle Comment
  UC477531  Thalictrum fendleri L. S. Smith 1931-6-3 2555 Placer Robertson Flat Tahoe Nat. Forest 2133 Comment
  UCD42950  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 319 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD42984  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 353 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD93354  Thinopyrum intermedium K. Connelly 1999-8-2 PDR- 122370 6 Placer Truckee. Along side of Rd. 8, off of Hwy. 89. Comment
  UC188139  Thysanocarpus curvipes C. F. Sonne 1891-4-5 Placer hillsides below Auburn; below Auburn Comment
  JEPS54221  Thysanocarpus radians Alice King Jun 1920 Placer Del Paso Park Roseville Comment
  CDA36900  Torilis arvensis CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  UCR250354  Torilis arvensis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20492 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
  CAS-BOT-BC81366  Torreya californica F. W. Wilson 1912-5-1 110 Placer Tahoe Forest 731 Comment
  MACF014987  Torreya californica Faye. A. McFadden 1934-7-2 12718 Placer American River, 1 mi. east of Rawhide Mine; Placer County Comment
Read comments
Oct 17 2016
  UCD93221  Torreyochloa pallida var. pauciflora C. G. Pringle 1882-9-23 s.n. Placer Summit Valley, Sierra Nevada Mountains. 2438 Comment
  SCFS11529150  Toxicoscordion venenosum E. Krimmel 2014-6-26 Placer In seep beside road at Cedars driveway Comment
  UC830765  Tragopogon porrifolius Kate E. Phelps 1937-5-28 Placer Auburn Comment
  UC884474  Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap Comment
  UCD22022  Trichostema oblongum Beth Lowe Corbin 1982-8-9 274 Placer 1/4 mile SW of Onion Creek campground. 1859 Comment
  JEPS75138  Trichostema oblongum J. M. Tucker 1975-7-28 4352 Placer 6 air mi S of Soda Springs (Nevada Co.) (100 yds W of the road into The Cedars, private holding on the upper North Fork of the American River) 1798 Comment
  UCD117581  Trientalis latifolia Eric S. Ngay 1990-6-2 26 Placer Bridlevail Falls, Route 50. Comment
  UCR193331  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2007-5-30 12189 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
  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
  OBI12698  Trifolium cyathiferum Robert F. Hoover 1967-9-7 10857 Placer Antone Meadow Comment
  SEINET12157176  Trifolium cyathiferum C. F. Sonne 1884-1 s.n. Placer Goldstream Comment
  UCD33052  Trifolium depauperatum Beecher Crampton 1966-4-14 7648 Placer 2.5 miles east of Lincoln. Comment
  CHSC96466  Trifolium dubium Lowell Ahart; Brian Williams 2007-4-13 13667 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
  RSA637580  Trifolium hirtum Michael A. Vincent 1999-6-12 8634 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  SD248419  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 961 Comment
  UCR198410  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2008-4-17 13297 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
  RSA755332  Trifolium incarnatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14572 Placer Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 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
  UC866961  Trifolium kingii var. productum John Thomas Howell 1938-8-2 13995 Placer 5 mi n Brockway Comment
  UCD44671  Trifolium longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2037 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC630803  Trifolium longipes var. hansenii L. S. Smith 1916-6 652 Placer Squaw Valley Comment
  UC750575  Trifolium microcephalum Lewis S. Rose 1946-6-23 46190 Placer n Cisco (Rainbow) Comment
  UCD109206  Trifolium monanthum R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  CHSC82587  Trifolium monanthum subsp. parvum Lowell Ahart 2002-7-22 9887 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  POM126205  Trifolium monanthum subsp. parvum C. F. Sonne 1889-07 3253 Placer Above Coldsman in Canon toward Donner Lake. Comment
  UC125093  Trifolium monanthum subsp. parvum Katharine Brandegee July 1908 Placer near Cisco Comment
  JEPS103491  Trifolium monanthum var. monanthum Lowell Ahart 2002-7-22 9887 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  CAS-BOT-BC5322  Trifolium monanthum var. parvum Albert Kellogg 1870-7-1 s.n. Placer Cisco Comment
  UC33298  Trifolium pratense Miss Ora Boring July, 1901 Placer Lake Tahoe Comment
  UCR240955  Trifolium pratense George K. Helmkamp, E. A. Helmkamp 2012-9-25 19907 Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  CAS-BOT-BC230185  Trifolium productum A. A. Heller 1919-7-25 13301 Placer Rocks near the Yuba River below Cisco 1676 Comment
  CHSC74093  Trifolium repens Susi Urie 1998-8-25 98 -094 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD33051  Trifolium variegatum Beecher Crampton 1966-4-14 7647 Placer Placer County, 2.5 miles east of Lincoln. Comment
  UC16836  Trifolium variegatum var. melananthum H. N. Bolander 1865-4-11 4539 Placer near Auburn Comment
  JEPS4358  Trifolium willdenovii W. H. Shockley Jun 1886 Placer Auburn Comment
  JEPS4385  Trifolium willdenovii Leland S. Smith 1925-6-3 1613 Placer below Yankee Jim; Forest Hill district Comment
  CHSC84542  Triglochin scilloides John Dittes 2003-5-25 2003 -22 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 39 Comment
  CAS-BOT-BC519123  Trillium albidum C. L. Hitchcock 1940-4-7 6306 Placer Ca. 1 miles west of Baxter. Comment
  UCD123396  Triphysaria eriantha M. Vincent 1965-4-11 604 Placer 1 mile north of Marysville on Hwy. 99E. Comment
  RSA758530  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2009-3-11 14386 Placer Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  UCR209731  Trisetum projectum George K. Helmkamp, E. A. Helmkamp 2009-8-12 15450 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  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
  SACT002459  Trisetum spicatum D. Meyer 1984-8-4 Placer 9.6 km north of Hell Hole overlooking French Meadows 1879.0 Comment
  POM109813  Triteleia bridgesii Marcus E. Jones 1882-6-30 3514 Placer Emigrant Gap. Comment
  POM260014  Triteleia bridgesii C. L. Hitchcock 1940-5-15 6402 Placer 6 miles north of Colfax. 762 Comment
  UC188756  Triteleia bridgesii C. F. Sonne June 1891 Placer Gold Run Comment
  JEPS64218  Triteleia hyacinthina W. L. Jepson 1918-7-30 7733 Placer Tahoe Lake Tahoe, Tahoe 1920 Comment