Search Results — 2000 specimen records retrieved (1599 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD23230  Abies concolor Beth Lowe Corbin 1982-8-19 389 Placer 1 1/2 miles south of The Cedars. 1889 Comment
  CHSC3899  Abies magnifica Don Heinz 1967-2-12 Placer 100 yds uphill from Standard Service Station at Baxter on Interstate 80 (Hwy.). 1219 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-BC331006  Acer glabrum var. glabrum Alice Eastwood 1909-1-1 268 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC331014  Acer glabrum var. glabrum Emily K. Mcpherson 1976-6-12 s.n. Placer Sierra Nevada. Loch Leven Lakes Comment
  CAS-BOT-BC333261  Acer macrophyllum Marcus E. Jones 1882-6-28 3306 Placer Emigrant Gap Comment
  JEPS72580  Achillea millefolium Gladys L. Smith 1972-6-29 3225 Placer steep exposed ridge from chairlift terminus to ultimate summ Ward Peak 2632 Comment
  OBI39804  Achillea millefolium Joy H. Nishida 1985-7-10 783 Placer Homewood 1829 Comment
  UCD43167  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 536 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC1133125  Achnatherum lemmonii B. Bolt 1934-7-3 68 Placer top of Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UC682051  Achnatherum lemmonii G. L. Stebbins Jr. 1941-7-16 3175 Placer 1 mi w along U. S. Highway 40 Cisco Grove; U. S. Highway 40 1706 Comment
  UCD42835  Achnatherum lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 201 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC216874  Achnatherum occidentale John Thomas Howell 1943-7-25 18808 A Placer W side Donner Pass near Norden 2133 Comment
  UCD51018  Achnatherum occidentale G. L. Stebbins Jr. Date Unknown 3172 Placer along U.S. Highway no. 40. 1 mile west of Cisco Grove. 1706 Comment
  UCD55557  Achnatherum occidentale Beecher Crampton 1958-6-24 4959 Placer Placer-Nevada Co. line: Eastern edge of Martis Valley, ca. 4 miles east of Truckee. Comment
  CAS-BOT-BC210839  Achnatherum occidentale subsp. californicum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CDA15991  Achnatherum occidentale subsp. californicum G. F. Hrusa, J. Glazner 1999-7-17 15184 b Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD51067  Achnatherum occidentale subsp. californicum Elizabeth Wilson 1940-8-8 s.n. Placer near Hampshire Rocks. 1828 Comment
  UCD21590  Achnatherum occidentale subsp. pubescens E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1253 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  UCD51419  Achnatherum stillmanii B. Bolt 1934-7-17 175 Placer 1/2 mile S. of Walker Mine. 1920 Comment
  CAS-BOT-BC218035  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine range, Forest Hill District, Tahoe Forest 914 Comment
  CAS-BOT-BC29927  Achyrachaena mollis Gordon H. True 1971-5-26 6544 Placer Valley Grassland, northern limits of Lincoln 48 Comment
  CDA39022  Acmispon americanus D. G. Kelch 2011-10-3 11 .816 Placer Tahoe City. Granlibakken Resort. Comment
  SD180596  Acmispon americanus Beecher Crampton 1972-7-26 8836 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  CHSC81785  Acmispon americanus var. americanus Lowell Ahart 2001-10-10 9346 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  UCD22075  Acmispon americanus var. americanus Rex Palmer 1979-7-12 N 597 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD38900  Acmispon americanus var. americanus Beecher Crampton 1959-7-23 5423 Placer 6 miles north of Folsom. Comment
  SEINET5327504  Acmispon americanus var. americanus P. A. Lehenbauer 1932-8-28 s.n. Placer [Sierra Nevada] Cisco Camp Comment
  SEINET5327533  Acmispon americanus var. americanus P. B. Kennedy, Samuel Bradford Doten 1901-8-18 413 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  CAS-BOT-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
  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
  SCFS1112  Aconitum columbianum E. Krimmel 2013-6-13 Placer NFAm. Stream crossing (split #4). Below Soda Springs road on way to Heath Falls Overlook. Comment
  RSA249383  Aconitum columbianum var. columbianum J. D. Ackerman 1974-7-20 387 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy 89 Comment
  UCD21931  Aconogonon davisiae Beth Lowe Corbin 1982-8-23 409 Placer 2 miles SW of the Cedars. In loose, fine sandy, rocky soil in open Red Fir forest. Stem pinkish. Calyx pinkish white. Full sun. North facing slope, 30% incline. Locally common. 2133 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
  SCFS5068  Aconogonon phytolaccifolium E. Krimmel 2014-6-26 Placer Widespread. Near creek and into conifer woods. Comment
  UCD128500  Acroptilon repens T. C. Fuller 1968-7-22 12572 Placer north edge of freeway I-80 from Donner Summit. 0.1 mile west of Blue Canyon Road. 1524 Comment
  CAS-BOT-BC29249  Acroptilon repens T. C. Fuller 1964-9-1 12572 Placer North edge of freeway interstate 80 from Donner Summit, 0.1 miles W of Blue Canyon Road 1524 Comment
  CAS-BOT-BC29288  Adenocaulon bicolor I. L. Wiggins 1933-8-21 6784 Placer Shores of Lake Tahoe, near Tahoma Comment
  OBI39838  Adenocaulon bicolor Joy H. Nishida 1985-7-10 790 Placer Homewood 1829 Comment
  UCD128410  Adenocaulon bicolor Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  UCR218244  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16429 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  CAS-BOT-BC9066  Aegilops triuncialis K. L. Stark 1971-6-8 s.n. Placer West side of Fiddyment Road, 0.1 mile south of Phillip Road, ca. 5 miles northeast of Roseville Comment
  UCD36676  Aegilops triuncialis Beecher Crampton 1955-5-27 2815 Placer Placer County, 5 miles northwest of Roseville. Comment
  CAS-BOT-BC228605  Aesculus californica George K. Helmkamp; E. A. Helmkamp 2011-5-6 17216 Placer Eastern Edge of Sacramento Valley: Camp Far West Road, 0.1 mile west of its junction with McCourtney Road, c. 6.3 mi. NE (67 deg. ) of Wheatland 58 Comment
  UCR218227  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2010-6-26 16410 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  SEINET7940406  Agastache urticifolia L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  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
  HSC33420  Agoseris grandiflora Thomas W. Nelson, Jane P. Nelson 1974-6-17 1370 Placer Dollar Point N of Lake Tahoe City 1585 Comment
  CAS-BOT-BC13425  Agoseris retrorsa Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CHSC79647  Agoseris retrorsa G. F. Hrusa; J. Glazner 1999-7-18 15230 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S 43434 N, 07418 E. 1905 Comment
  UC112920  Agoseris retrorsa Katharine Brandegee 1908-6-6 Placer near Auburn Comment
  UC832675  Agoseris retrorsa Marcus E. Jones, A. M. 1882-6-30 2782 Placer Emigrant Gap Comment
  UCR235386  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  CDA25690  Agrimonia gryposepala T. Barbato 1971-6-21 Placer Tony Barbato property, Meadow Vista. 0 Comment
  SACT000041  Agropyron desertorum D. Meyer 1983-8-7 Placer Hwy 267 4.64 km S of Placer County line, roadside wash 1758.0 Comment
  SACT000076  Agropyron trachycaulum D. Meyer 1983-9-10 Placer Moist streambanks and meadow 1879.0 Comment
  SACT000078  Agropyron trachycaulum D. Meyer 1983-8-7 Placer Roadside wash 1758.0 Comment
  SACT000080  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1767.84 Comment
  JEPS22879  Agrostemma githago Donald E. Vermeer 1959-5-2 13 Placer on U.S. Highway 40, 5 mi w Auburn 274 Comment
  SEINET3258002 Image available Agrostis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14036 Placer Northern Sierra Nevada Mountains; Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek. 2107 Comment
  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
  SEINET3271586 Image available Agrostis capillaris George K. Helmkamp, E. A. Helmkamp 2009-7-16 15212 Placer Sierra Nevada Mountains; Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  SACT000083  Agrostis exarata D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000100  Agrostis exarata D. Meyer 1984-8-12 Placer Ralston Ridge Rd 11.21 km from French Meadows. Very wet. Somewhat boggy. Grazed woody area. 1612.0 Comment
  SACT000101  Agrostis exarata D. Meyer 1984-7-29 Placer French Meadows roadside of reservoir. Moist shady north facing slope. 1612.0 Comment
  SACT000103  Agrostis exarata Michael Baad 1983-8-27 Placer Trail from Big Bend Ranger Station to Lower Loch Leven Lake. Fir forest with granite 1767.84 Comment
  UC1110539  Agrostis exarata Herbert L. Mason 1939-8-3 12206 Placer 7 mi nw Tahoe City (Squaw Valley); Squaw Valley 1889 Comment
  UCD33607  Agrostis exarata Beecher Crampton 1970-6-26 8640 Placer Placer County, Gold Run. 914 Comment
  UCD34018  Agrostis exarata Beecher Crampton 1975-9-9 9269 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  UCD52340  Agrostis exarata N. French 1933-6-6 72 Placer near Newcastle. 304 Comment
  UCD52406  Agrostis exarata N. French 1933-6-6 s.n. Placer near Newcastle. 304 Comment
  SEINET7249204  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  UCD36658  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Placer County, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  SACT000183  Agrostis idahoensis D. Meyer 1984-9-23 Placer Rocky Creek bed. very wet. 2121.0 Comment
  UC725839  Agrostis idahoensis A. A. Heller 1919-7-24 13293 Placer near Cisco Comment
  UC1495330  Agrostis oregonensis Robert T. Clausen and Harold Trapido 1940-7-13 4886 Placer bank of creek 1 1/2 mi w Lake Tahoe; Sierra Nevada, Lake Tahoe Basin, Ward Creek 1905 Comment
  CAS-BOT-BC139003  Agrostis pallens A. A. Heller 1919-7-25 13305 Placer Near the Yuba River below Cisco. 1676 Comment
  UCD22260  Agrostis pallens Rex Palmer 1979-7-26 N 815 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR257727  Agrostis pallens George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19523 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
  UCD53516  Agrostis stolonifera B. Bolt 1934-8-14 s.n. Placer E. slope of Red Star Ridge. 1767 Comment
  SACT000213  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
  SACT000254  Agrostis variabilis Michael Baad 1976-7-17 Placer west of Alpine Meadows ski area and 6 miles west of Tahoe City. Red fir lodgepole pine forest with opening. 2000.0 Comment
  UCD32809  Agrostis variabilis Beecher Crampton 1964-7-21 7119 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. Comment
  UCD53716  Agrostis variabilis B. Crampton 1953-7-21 1537 Placer Harrison Flat road, 1 mile south of Soda Springs. 2133 Comment
  UCD74171  Agrostis variabilis Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 205 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2151 Comment
  SACT000259  Agrostis viridis Josephine Van Ess 1976-5-12 Placer just north of the campus. small stream. 1/2 mile past Bankhead Street stream. 91.5 Comment
  CHSC96428  Aira caryophyllea Lowell Ahart 2007-4-13 13659 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SACT000228  Aira caryophyllea D. Meyer 1983-5-15 Placer 36.6 Comment
  SACT000236  Aira caryophyllea Michael Baad 1983-4-17 Placer Descending to Middle Fork of American River 411.48 Comment
  CAS-BOT-BC138377  Aira caryophyllea var. caryophyllea Gordon H. True 1971-4-21 6518 Placer On Roseville-Lincoln Highway ca. 5 miles north of Roseville. Comment
  HSC15961  Alcea rosea R. A. Magie 1964-6-13 108 Placer Indian Hill Rd., Auburn Comment
  UCD137990  Alisma triviale Alan a. Beetle 1941-6-27 2728 Placer 1 mile north of Lincoln. Comment
  RSA123619  Allium campanulatum Milo S. Baker 1931-5-31 5340 Placer Highway 40, 1 1/2 miles west of Big Bend Ranger Station. Comment
  SCFS1194  Allium obtusum E. Krimmel 2014-4-21 Placer Pt. Mariah Comment
  UC177416  Allium obtusum A. R. Valentien June 1914 Placer Cisco Comment
  UC593519  Allium obtusum E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1579 Placer Yuba Pass 1818 Comment
  UCD22039  Allium obtusum Rex Palmer 1979-6-21 N 424 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC474278  Allium obtusum var. obtusum John H. Thomas; Hazelle A. Thomas 1956-7-21 6087 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC474276  Allium obtusum var. obtusum Alice Eastwood 1912-6-15 417 Placer Five Lakes. Lake Tahoe Region Comment
  CAS-BOT-BC476705  Allium validum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadoes 1600 Comment
  UC880192  Allophyllum gilioides subsp. violaceum A. A. Heller 1917-8-13 12900 Placer base of cliff n. of Summit hotel 2164 Comment
  UCR120245  Allophyllum gilioides subsp. violaceum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5031 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CDA12405  Allophyllum integrifolium G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8533 Ab Placer Lake Tahoe; W end of Ward Valley. N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CAS-BOT-BC171259  Alnus incana subsp. tenuifolia Alice Eastwood 1912-6-15 s.n. Placer Deer Park. Lake Tahoe Region Comment
  SEINET5536271 Image available Alnus incana subsp. tenuifolia E. J. Kraus 1926-1 s.n. Placer Lake Tahoe Comment
  HSC103822  Alnus incana subsp. tenuifolia G. Fred Hrusa, J. Glazner 2000-9-3 15673 Placer Sugar Bowl Ridge, immediately to west of proposed Crow's Nest ski run 2165 Comment
  UCR258217  Amaranthus albus George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20054 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
  CAS-BOT-BC13676  Ambrosia artemisiifolia Peter H. Raven 1954-8-27 7957 Placer Penryn Comment
  CAS-BOT-BC13677  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Along US Highway 40 east of AUburn, at Bowman Comment
  SEINET6190269  Amelanchier alnifolia var. pumila P. A. Lehenbauer 1932-6-12 s.n. Placer Tahoe City Comment
  CDA12417  Amelanchier alnifolia var. semiintegrifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8545 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC1505819  Amelanchier alnifolia var. semiintegrifolia K. M. Wiegand 1941-7-13 4890 Placer 2 mi w Lake Tahoe (woods along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
Read comments
May 30 2007
  SEINET6190548  Amelanchier pallida P. A. Lehenbauer 1932-6-26 s.n. Placer Tahoe City Comment
  CDA36965  Amsinckia menziesii var. menziesii CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD83588  Anaphalis margaritacea Albert Grigarick 2009-8-7 157 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1938 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
  JEPS111135  Anemone drummondii Steve Matson 2005-5-21 1238 Placer North shore of Lake Tahoe; Cedar Flat; National Forest; 39.1842 N, 120.1085 W; elevation 6700 ft. 2042 Comment
  RSA125348  Angelica breweri P. H. Raven 1958-6-14 13210 Placer West side of Donner Pass 2165 Comment
  SEINET9289174  Angelica breweri Unknown 2009-7-16 15213 Placer Sierra Nevada Mountains Comment
  UCD116184  Anoda cristata Dr. Blake 1930-10-24 s.n. Placer Penryn Dist. Comment
  CAS-BOT-BC63974  Antennaria argentea Peter H. Raven 1950-6-26 2419 Placer Baxter's 1219 Comment
  CAS-BOT-BC84761  Antennaria rosea subsp. rosea Alice Eastwood 1909-1 70 Placer Sunnyside Comment
  SACT000333  Anthoxanthum odoratum Michael Baad 1983-7-10 Placer Onion Valley, 6.1 by road south of Emigrant Gap townsite, open wet meadow with Allium validum and Schoenolinum. 1524.0 Comment
  POM190466  Antirrhinum leptaleum D. D. Keck 1932-7-1 1591 Placer 2 miles N. of Auburn on Nevada City Road. 427 Comment
  CHSC10622  Apocynum androsaemifolium Lowell Ahart 1962-8-11 Placer French Meadows, near The Big Trees. 1676 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
  UCD38487  Apocynum androsaemifolium Beecher Crampton 1955-6-15 2925 Placer 10.5 miles west of Forest Hill. Comment
  SEINET7923473  Apocynum androsaemifolium P. A. Lehenbauer 1933-8-6 2606 Placer Tahoe near Homewood Comment
  UC1123482  Apocynum cannabinum N. French and R. Clar 1933-6-26 84 Placer near Rocklin Sacramento Quad. Comment
  UC465563  Aquilegia W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Cascade Mtns Lake Tahoe vicinity Comment
  SD237579  Aquilegia formosa G. K. Helmkamp, Amy Barnes 2009-7-12 15180 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  UCR561  Aquilegia formosa Frank C. Vasek 1955-6-29 264 Placer Sierra Nevada Mountains, Sugar Bowl, near Donner Pass [ski area, c. 1 mi. east of Lake Van Norden] 2141 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
  CDA15953  Arabis rectissima G. F. Hrusa, J. Glazner 1999-7-17 15139 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1078825  Arceuthobium americanum Job Kuijt 1957-5-18 1330 Placer 8.5 mi w Soda Springs 1767 Comment
  UC1078826  Arceuthobium americanum Job Kuijt 1957-5-18 1331 Placer ca 10 mi n Tahoe City (on Hwy 89) 1798 Comment
  UC1085346  Arceuthobium americanum Job Kuijt 1957-5-18 1332 Placer 3.5 mi n Tahoe City (on Hwy 89) 1798 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-BC24154  Arctostaphylos Saichi Kawahara 1969-5-25 1018 Placer Top of ridge E of house, Mel henderson Ranch, E bank of Indian Creek, Dutch Flat Quadrangle 1036 Comment
  CAS-BOT-BC24209  Arctostaphylos John Thomas Howell 1976-7-18 51932 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  UCD162747  Arctostaphylos Dylan O. Burge; J. Bisbee 2014-5-25 1631 Placer Bear River watershed, roadside on California State Route 20. 1430 Comment
  CAS-BOT-BC26289  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer West slope Sierra Nevada, 3 miles NW of Colfax Comment
  CAS-BOT-BC40044  Arctostaphylos nevadensis A. A. Heller 1917-6-17 12695 Placer Near the Yuba river below Cisco. 1676 Comment
  UC193038  Arctostaphylos nevadensis C. F. Sonne 1884-7-13 Placer on road to Summit Comment
  CAS-BOT-BC42102  Arctostaphylos patula T. S. Brandegee 1888-1-1 34 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC42145  Arctostaphylos patula Olga Reifschneider 1955-5-29 s.n. Placer Martis Peak Road, Hirschdale, 9 miles east of Truckee 2133 Comment
  CAS-BOT-BC42146  Arctostaphylos patula Miss M. Alice King 1923-6-1 s.n. Placer Near Summit Comment
  CAS-BOT-BC42147  Arctostaphylos patula C. Hart Merriam 1911-11-5 s.n. Placer West slope Sierra Nevada near Alta Station (CPRR) Comment
  RSA254298  Arctostaphylos patula Gary D. Wallace, R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1420 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
Read comments
Jul 23 2017
  UCD15603  Arctostaphylos patula Lisa Montany 1985-5-18 19 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  UCD52816  Arctostaphylos viscida D. H. Hartmann 1941-10-11 s.n. Placer 4 mi. west of Auburn. Comment
  SEINET7268599  Arctostaphylos viscida L. R. Miller 1934-6-23 s.n. Placer Above Colfax 914 Comment
  CAS-BOT-BC47052  Arctostaphylos viscida subsp. viscida Saichi Kawahara 1969-5-25 1018 Placer Top of ridge e. of house, Mel Henderson Ranch, e. bank of Indian Creek, Dutch Flat Quadranle. 1036 Comment
  CAS-BOT-BC47064  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer Sierra Nevada, 1 mi. w. of Colfax. 658 Comment
  POM202667  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11123 Placer Colfax. Comment
  POM202780  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11121 Placer 3 miles above Colfax near the road. Comment
  RSA637018  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24915 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  RSA637021  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24912 Placer Forest Hill Road, 13 km west of Forest Hill, northeast of Auburn. 590 Comment
  SBBG28880  Arctostaphylos viscida subsp. viscida C. B. Wolf 1930-10-11 993 Placer near Alta 1127 Comment
  UC1121445  Arctostaphylos viscida subsp. viscida N. French 1934-5-29 378 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle Comment
  UC1121446  Arctostaphylos viscida subsp. viscida N. French 1933-8-24 94 Placer Mosquito Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UC193055  Arctostaphylos viscida subsp. viscida C. F. Sonne 1891-4-5 Placer between Auburn and Newcastle Comment
  UC852450  Arenaria congesta var. suffrutescens A. A. Heller 1917-6-19 12741 Placer Emigrant Gap 1615 Comment
  JEPS72095  Arenaria kingii var. glabrescens Gladys L. Smith 1972-6-20 3256 Placer just below Summit of Ward Peak (on volcaninc outcrops.) 2628 Comment
  CAS-BOT-BC82209  Arnica chamissonis Alice Eastwood 1909-1 312 Placer Tahoe City Comment
  UC1192154  Arnica chamissonis Malcolm A. Nobs and S. Galen Smith 1949-8-21 1514 Placer between Sandy Beach and Agate Bay Lake Tahoe Comment
  UCD44624  Arnica chamissonis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1990 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC82322  Arnica cordifolia M. S. Jussel 1928-6-25 s.n. Placer Tahoe City near school Comment
  UC84125  Arnica dealbata C. F. Sonne July 1895 Placer road to Lake Tahoe Comment
  UCD69355  Arnica dealbata S. Rivas; M. Barbour, D. S. Mata, P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. 2100 Comment
  POM51369  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer Near Pole Creek on Truckee River. Comment
  CAS-BOT-BC82683  Arnica longifolia Betty J. Jorgensen 1944-7-23 530 Placer Near Soda Springs Comment
  UC193465  Arnica longifolia C. F. Sonne 1896-7-1 Placer below and around Schafer's Reservoir; Truckee 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
  POM160971  Arnica longifolia subsp. myriadenia C. F. Sonne 1897-8-7 s.n. Placer E Slope Mt. Anderson 2439 Comment
  CAS-BOT-BC85174  Arnica mollis F. Almeda 1993-7-25 7295 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass. 1920 Comment
  UCD43098  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 466 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC85145  Arnica nevadensis C. F. Sonne 1897-7-1 s.n. Placer Mt. Anderson 2438 Comment
  CAS-BOT-BC85146  Arnica nevadensis John Thomas Howell 1943-7-21 18662 Placer Donner Pass to Mt. Lincoln Comment
  JEPS111189  Arnica parryi Steve Matson 2005-7-3 1354 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), north of Highway 267 and east of Martis Creek near vernal pools. 39.3038 N, 120.1222 W; elevation 5835 ft. 1778 Comment
  UCD36674  Arrhenatherum elatius Beecher Crampton 1955-6-15 2913 Placer Placer County, 0.5 mile north of Forest Hill, on road to Yankee Jims. Comment
  CDA15949  Artemisia arbuscula G. F. Hrusa, J. Glazner 1999-7-17 15135 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET6775244 Image available Artemisia arbuscula L. Asche 1972-9-9 s.n. Placer Basin Peak Comment
  UC1119382  Artemisia arbuscula N. French 1934-6-22 450 Placer 7/8 mi from Lake Dulzura; Truckee Quadrangle Comment
  JEPS16969  Artemisia douglasiana Peter H. Raven 1956-8-4 9991 Placer Blue Canyon Sierra Nevada, Blue Canyon 1432 Comment
  UCR260073  Artemisia douglasiana George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22419 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  UCD21692  Artemisia ludoviciana Rex Palmer 1979-6-20 N 285 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA122572  Artemisia spiciformis B. Bolt 1934-8-23 201 Placer Mount Mildred 2470 Comment
  UC1119383  Artemisia spiciformis B. Bolt 1934-8-23 197 Placer divide between Picayune and Grayhorse; Tahoe National Forest, Truckee Quad. 2438 Comment
  UC372822  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
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Apr 7 2018
  RSA121925  Asclepias cordifolia N. H. French 1934-5-29 379 Placer Emigrant Gap 1555 Comment
  UC1123570  Asclepias speciosa G. T. Nordstrom 1934-6-19 118 Placer 1/2 mi w of mouth Monumental Creek; Tahoe National Forest, Colfax Quadrangle Comment
  POM120737  Aspidotis densa Marcus E. Jones 1882-6-27 5 m-11-26 Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UC1874971  Aspidotis densa Ruth Kirkpatrick 2001-7-16 1062 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  CAS-BOT-BC69577  Aspidotis densa Emily K. Mcpherson 1976-9-19 76- 27 -3 Placer Middle Fork of the American River. 1828 Comment
  CDA16047  Aster eatonii G. F. Hrusa, J. Glazner 2000-9-3 15665 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  UCR257730  Aster foliaceus var. parryi George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19520 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
  UCR170804  Aster integrifolius George K. Helmkamp, E. A. Helmkamp 2005-9-30 9948 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  CDA25010  Aster occidentalis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCR209728  Aster radulinus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15453 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  CAS-BOT-BC177511  Astragalus austiniae C. F. Sonne 1885-8-23 68 Placer Tinker's Knob 2895 Comment
  POM19452  Astragalus austiniae C. F. Sonne 1897-7-18 s.n. Placer Tinkers Knob. 2744 Comment
  UC170082  Astragalus canadensis var. brevidens Miss Helen D. Geis August 1912 Placer near Truckee; near Truckee Comment
  RSA523952  Astragalus gambelianus Barbara J. Ertter, David Thompson 1989-4-8 8160 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UCD38786  Astragalus lentiginosus var. ineptus Beecher Crampton 1958-6-24 4950 Placer About 4 miles southeast of Truckee, eastern edge of Martis Valley. Placer-Nevada County line. Comment
  UCD105214  Astragalus purshii S. S. Smith 1916-6 414 Placer Squaw Valley. 1828 Comment
  CAS-BOT-BC200880  Astragalus whitneyi var. lenophyllus John Thomas Howell 1943-7-21 18672 Placer Mt. Lincoln Comment
  CHSC118009  Asyneuma prenanthoides G. K Helmkamp; E. A Helmkamp 2008-9-15 14114 Placer Northern Sierra Nevada Mountains: along Foresthill Road 20 miles northeast of the city of Forest Hill. 1707 Comment
  UCD66825  Asyneuma prenanthoides Beecher Crampton 1956-7-17 3730 Placer Blue Canyon. 1432 Comment
  UCD66893  Asyneuma prenanthoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon. Tahoe National Forest. 1550 Comment
  SD9322  Athyrium distentifolium C. F. Sonne Aug 1897 Placer East slope Mt. Anderson 2590 Comment
  SACT000357  Avena barbata D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  SACT000420  Avena sativa D. Meyer 1984-7-9 Placer pear and plum orchard 206.0 Comment
  SEINET7239572 Image available Baccharis pilularis J. Anderson 1972-10-8 s.n. Placer Auburn 732 Comment
  CAS-BOT-BC100073  Balsamorhiza macrolepis Lewis S. Rose 1933-3-23 33032 Placer 8 mi. W. of Fairfield Comment
  UC472196  Balsamorhiza macrolepis Francis Ramaley 1917-4-15 11109 Placer Lincoln Comment
  UCR120235  Barbarea orthoceras George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5071 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  UCR250689  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20353 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UCD18435  Barbarea verna Joe DiTomaso 2001-4-11 s.n. Placer near Auburn, ca. 10 minutes east of the city toward Foresthill. Comment
  CAS-BOT-BC102056  Bidens frondosa L. R. Abrams 1917-9-15 6758 Placer 3-5 miles above Auburn Comment
  RSA20887  Blennosperma nanum C. B. Wolf 1937-3-30 8350 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  UCD22351  Boechera lyallii Rex Palmer 1979-7-12 N 644 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22340  Boechera pendulocarpa Rex Palmer 1979-6-9 N 133 Placer Headwaters basin area of the North Fork of the American River. 2438 Comment
  CHSC10542  Boechera platysperma Lowell Ahart 1962-7-13 Placer Ahart Camp, French Meadows. 1706 Comment
  JEPS109850  Boechera platysperma Dean W. Taylor 2005-7-15 19409 Placer Martis Peak, saddle 0.5 air miles E of the summit along Murphys Meadows Road 2560 Comment
  CAS-BOT-BC14400  Boechera platysperma J. F. Emmel 1970-6-21 314 Placer Slope, 0.6 air mile south of south end of Donner Pass. 2286 Comment
  JEPS72036  Boechera rectissima Gladys L. Smith 1972-6-20 3208 Placer Ward Peak, about terminus of Summit chairlift Ward Peak 2621 Comment
  UCD22341  Boechera retrofracta Rex Palmer 1979-6-20 N 311 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD33745  Bolboschoenus maritimus subsp. paludosus Beecher Crampton 1972-7-26 8858 Placer ca. 1 mile west of Cisco Grove on Interstate 80. 1676 Comment
  CDA37232  Brassica campestris CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD80175  Brassica rapa CNPS SN Foothill Team 2005-4-13 SNFN 0107 c Placer Placer Legacy, located on Didion Ranch in Placer County, 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
  SEINET11195093  Brassica rapa J. Ridley 1959-3-29 4 Placer Open field 1 mile E of Hwy 89, 2 miles N of Roseville. 49 Comment
  UC170078  Brickellia greenei Miss Helen D. Geis Jun 1 1912-Jul 1 1912 204 Placer Deer Park and Crags Deer Park, Crags Comment
  SACT000457  Briza minor D. Meyer 1984-5-6 Placer 145.5 Comment
  SEINET4183117 Image available Briza minor C. L. Hitchcock 1940-5-14 6389 Placer Meier Ranch, circa 6 Miles North of Colfax. 762 Comment
  SDSU777  Briza minor unknown 1948-5-20 Placer Comment
  SBBG57590  Brodiaea coronaria subsp. coronaria M. N. Ackley -Jun-1925 633 Placer Penryn 191 Comment
  UC194939  Brodiaea elegans subsp. elegans H. M. Hall 1916-6-21 10217 Placer below Applegate; Sierra Nevada Mountains, Lake Theodore Comment
  UCR198413  Brodiaea minor George K. Helmkamp, E. A. Helmkamp 2008-4-17 13284 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  SEINET3922009  Bromus carinatus Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; Mark Bibbo; T. Sasaki; J. Poloske 2008-7-19 5152 Placer Donner State Park, newly acquired lands to the SE of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  UCD75703  Bromus carinatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5152 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
  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
  CDA15956  Bromus carinatus var. carinatus G. F. Hrusa, J. Glazner 1999-7-17 15142 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD59163  Bromus carinatus var. marginatus L. S. Smith 1916-8-3 723 Placer Cold Stream Meadow. 1920 Comment
  SD44646  Bromus commutatus D. F. Howe 1951-5-1 Placer Placer County 456 Comment
  SACT000525  Bromus diandrus Michael Baad 1983-5-5 Placer One mile north of Placer hills Road, 2 miles from Colfax. Open hillside, north-facing slope. 609.6 Comment
  SACT000532  Bromus diandrus D. Meyer 1983-6-5 Placer on the turnoff, along roadside 487.68 Comment
  SACT000667  Bromus diandrus Josephine Van Ess 1975-5-23 Placer South end of upper part of Volcano hill. Orangevale. Comment
  UCD58524  Bromus diandrus Al Franklin 1987-5-1 87 -04 Placer 1.6 miles east of I-80 on Forest Hill Rd. Just outside of Auburn. 426 Comment
  UCD59463  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  UCD59464  Bromus diandrus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  CAS-BOT-BC155063  Bromus hordeaceus John Thomas Howell; Gordon H. True 1972-3-17 7080 Placer Northern outskirts of Lincoln. 48 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
  CAS-BOT-BC155064  Bromus hordeaceus Peter H. Raven 1954-4-16 6606 Placer 7 miles south of Lincoln on road to Roseville. Comment
  UCD33738  Bromus inermis Beecher Crampton 1972-7-26 8850 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD74181  Bromus inermis subsp. inermis Jennifer W. Burt 2005-7-17 40 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. 2112 Comment
  POM364025  Bromus laevipes A. A. Beetle 1941-5-26 2726 Placer Near Cisco 915 Comment
  SEINET10520254  Bromus laevipes Alan A. Beetle 1941-5-26 Beetle 2726 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Festuca pacifica, megalura, Bromus rigidus. 914 Comment
  SACT000630  Bromus madritensis Michael Baad 1983-5-7 Placer open rock hillside; south-facing, serpentine slope 426.7 Comment
  SACT000633  Bromus madritensis D. Meyer 1983-6-5 Placer along roadside turn-off 487.68 Comment
  SACT000696  Bromus marginatus D. Meyer 1983-7-30 Placer roadside ditch 1853.18 Comment
  SACT000698  Bromus marginatus D. Meyer 1984-7-21 Placer moist roadside ditch and pine wooded area, dense shade 1927.0 Comment
  UCR146674  Bromus marginatus Beecher Crampton 1985-6-23 9998 Placer Sierra Nevada Mtns., North Shore Lake Tahoe, Stateline Road 1905 Comment
  SACT000584  Bromus mollis D. Meyer 1983-5-15 Placer moist roadside ditch, next to cultivated field 19.812 Comment
  CAS-BOT-BC162165  Bromus orcuttianus R. F. Hoover 1967-9-7 10858 Placer Antone Meadow. Comment
  SACT000616  Bromus orcuttianus D. Meyer 1983-8-20 Placer to summit at first lake, steep ricky trail with moist meadow areas 2000.0 Comment
  SACT000618  Bromus orcuttianus D. Meyer 1984-7-29 Placer 1645.92 Comment
  SACT000620  Bromus orcuttianus Michael Baad 1976-7-14 Placer open bushy slope. 1.3 miles along roadfrom Forest Hill Road 1554.48 Comment
  SACT000621  Bromus orcuttianus D. Meyer 1983-7-3 Placer 5.4 miles from Forest Hill Road 1234.44 Comment
  SACT000623  Bromus orcuttianus Michael Baad 1983-7-15 Placer 1 mile east of junction with road tp Brushy Springs Station, open black oak, poderosa pine forest 1524.0 Comment
  SBBG22672  Bromus orcuttianus M. S. Walters 1960-6-21 Placer Hwy 89 just S of Tahoe City, 0.3 mi S of Truckee River Bridge Comment
  SBBG29016  Bromus orcuttianus B. Crampton 1967-7-26 Placer ca. 3 mi NW of Kings Beach, St Hwy 267 2133 Comment
  UCD33389  Bromus orcuttianus Beecher Crampton 1967-7-26 8152 Placer Placer County, north end of Lake Tahoe, ca. 3 miles N.W. of Kings Beach near summit on Hwy. 267. 1920 Comment
  OBI20099  Bromus sitchensis David J. Keil 1978-7-23 12948 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  CAS-BOT-BC161588  Bromus sterilis Saichi Kawahara 1969-7-9 854 Placer Near garden, Mel Henderson Ranch, Indian Creek. 1005 Comment
  UCD80524  Bromus sterilis CNPS SN Foothill Team 2005-4-14 SNFN 0110 b Placer Placer Legacy, Spears/Didion Ranch, approximately 150 meters north of entry gate off Mears Road. 309 Comment
  SACT000755  Bromus suksdorfii Michael Baad 1983-9-3 Placer form saddle between Mount Judah and Mount Lincoln 2529.0 Comment
  SACT000771  Bromus tectorum var. tectorum D. Meyer 1984-5-27 Placer moist meadow surrounded by sage brush type vegetation 81.0 Comment
  SACT000773  Bromus tectorum var. tectorum D. Meyer 1983-7-3 Placer 1152.0 Comment
  CHSC82661  Bulbostylis capillaris Lowell Ahart 2002-7-22 9908 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
  UCD43047  Calamagrostis bolanderi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 416 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET10867417  Calamagrostis bolanderi A. Arthur Heller 1903-8-10 Heller 7180 Placer Above Donner Pass. 2286 Comment
  UCR250179  Calamagrostis breweri George K. Helmkamp, Mary Alice Barnes 2013-5-3 20468 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCD100240  Calandrinia ciliata M. H. Mills 1996-4-12 153 Placer on edge of ephemeral pond at 5830 Walden Lane, Loomis. 180 Comment
  SEINET9097932  Calandrinia ciliata var. menziesii A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 609 Placer One mile N of Lincoln. Comment
  CHSC96488  Callitriche marginata Lowell Ahart; Brian Williams 2007-4-13 13641 Placer On damp granite soil, 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
  IRVC8990  Calocedrus decurrens Pamela I. B. Roeber 1974-10-20 64 Placer 3 miles S of Foresthill on Auburn-Foresthill Road. Comment
  CDA34203  Calocedrus decurrens D. G. Kelch 2011-5-17 11 .519 Placer Dutch Flat. Comment
  CAS-BOT-BC487484  Calochortus albus Alice Eastwood; John Thomas Howell 1937-5-8 4336 Placer Near Auburn on road to Grass Valley Comment
  SEINET8194250  Calochortus albus J. Solaegui 1977-4-16 s.n. Placer 3 miles E of Auburn on Rte 49, along dirt road immediately N of Rte 49. 335 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
  JEPS111261  Calochortus leichtlinii Steve Matson 2005-7-16 1403 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  POM291122  Calochortus leichtlinii Lyman Benson 1933-6-26 4526 Placer Cisco, U.S. 40. Sierra Nevada range, Bear River watershed. 1829 Comment
  RSA377378  Calochortus leichtlinii W. Hutchinson 1922-06 3566 Placer Lake Tahoe. Comment
  UCD150568  Calochortus leichtlinii James A. Neilson Jr. 1970-7-9 1474 Placer Tahoe Basin, North Ward Creek. 2133 Comment
  UC3403  Calochortus leichtlinii Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC490537  Calochortus luteus John Thomas Howell; Gordon H. True 1971-5-26 47639 Placer Rainpool area in Valley Grassland, northern limits of Lincoln 48 Comment
  UC1585980  Calochortus monophyllus Barbara Ertter with David Thompson 1989-4-9 8178 Placer ca 5 air mi nw Foresthill (Shirttail Canyon Road, 2.4 mi from Dipper Road) 609 Comment
  UCD139566  Calochortus monophyllus J. L. Wirka 1995-5-19 s.n. Placer approximately one from the trailhead of the Steven's Trail that descends the north fork of the American River Canyon outside of Colfax south of 1-80. 400 Comment
  SEINET8197434  Calochortus monophyllus W. D. Billings 1940-5-18 1305 Placer Gold Run, N of Placer Mines. Comment
  POM109551  Calochortus nudus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap. Comment
  SD62109  Calochortus venustus Darley F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. 456 Comment
  UC465569  Caltha biflora Katharine Brandegee Placer Alta Comment
  UCD37238  Calycadenia Beecher Crampton 1958-7-11 5009 Placer 3.3 miles east of Sheridan. Comment
  SDSU6417  Calycadenia multiglandulosa D. F. Howe 1964-7-26 3872 Placer Auburn. Comment
  UC912594  Calycadenia multiglandulosa H. L. Mason 1929-10-4 5455 Placer 2.4 mi below Weimar Comment
  UCD129738  Calycadenia multiglandulosa Gerald D. Carr 1971-8-15 634 Placer 4.1 mile north of Auburn on Highway 49, gentle west facing slope. 426 Comment
  CAS-BOT-BC270649  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer 0.3 mile N of Weimar P.O. 685 Comment
  POM298237  Calycadenia multiglandulosa subsp. bicolor D. D. Keck, J. Clausen 1932-7-1 1590 Placer 2 miles north of Auburn 427 Comment
  UCD70594  Calyptridium monospermum Martin J. Beran 1994-5-27 19 Placer Lang Crossing of HWY 20, South Fork of Yuba River. 1414 Comment
  UCR232231  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16645 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  UC126869  Calyptridium monospermum Miss H. A. Walker 1908-6-23 1207 Placer Blue Canyon Station; Sierra Nevada, Blue Canyon Station 1470 Comment
  UC614880  Calyptridium monospermum Beryl O. Schreiber 1933-7-19 873 Placer Summit, road to Tahoe Tahoe 1609 Comment
  UC7771  Calyptridium monospermum A. M. Carpenter 1893-8 Placer Comment
  SEINET5336320  Calyptridium paniculatum H. A. Walker 1908-6-23 1207 Placer Blue Canyon Station in the Sierra Nevada, Transition Zone. 1470 Comment
  UC852125  Calyptridium umbellatum A. A. Heller 1917-8-13 12912 Placer Ridge nw of Donner Pass 2346 Comment
  UC148961  Calystegia malacophylla H. M. Hall 1910-7-4 8739 Placer Cisco Sierra Nevada Mountains, Cisco 1798 Comment
  UC147600  Calystegia malacophylla subsp. malacophylla Harriet A. Walker 1908-6-24 1277 Placer Blue Canyon 1432 Comment
  UCD13325  Calystegia occidentalis Kristy S. Howard 1989-6-3 180 Placer Placer Co.; Dry Creek Rd, T12N, R8E, Sect. 16, SW 1/4. Elev. 1220 ft. 371 Comment
  UCR232625  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16643 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  UCD13219  Calystegia purpurata Charles Martin 1986-4-27 20 Placer California: Placer County. Folsom Lake, W end of Sierra Dr. in empty lot, near lake. 131 Comment
  SEINET12047167  Camassia leichtlinii F. H. Utech 1978-1 78 -251 Placer ca 0.5 km NNE of Boreal Ridge Road along I-80E, near Laing Road 1829 Comment
  UCR231822  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-11 16758 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  CAS-BOT-BC37246  Cardamine breweri Alice Eastwood 1909-1-1 179 Placer Lake Tahoe Region. Ward Creek. Comment
  CAS-BOT-BC37247  Cardamine breweri Alice Eastwood 1909-1-1 126 Placer Lake Tahoe Region. Ward Creek. Comment
  CHSC74210  Cardamine breweri var. breweri Susi Urie; Eric Schroder 1998-9-12 98 -360 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
  SEINET5341061  Cardamine integrifolia var. integrifolia M. Humphreys 1950-4-1 2 Placer Growing in very wet soil, 6 miles west of Baxters on south side of highway 40. 853 Comment
  CDA37681  Carduus nutans Robin Breckenridge 2003-7-25 s.n. Placer Boca Reservoir, Hirschdale. 0 Comment
  CAS-BOT-BC18344  Carex Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  UCD21845  Carex Beth Lowe Corbin 1982-8-3 178 Placer Onion Creek campground. In fine, sandy, granitic soil of open meadow near creek. Perennial, forming large clumps. Inflorescence brown. Mostly sun. Common. Southwest facing slope. 1841 Comment
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Feb 2 2007
  CHSC72892  Carex angustata L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5764 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UCD43141  Carex angustata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 509 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC18023  Carex athrostachya James A. Neilson 1970-7-18 1601 Placer Sierra Nevada. Ward Valley. Comment
  CAS-BOT-BC18025  Carex athrostachya R. F. Hoover 1967-9-5 10839 Placer Carnelian Bay, Lake Tahoe. 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-BC19396  Carex bolanderi Saichi Kawahara 1969-7-6 1431 Placer East Fork of Indian Creek. Mel Henderson Ranch. Swing near old cabin. 999 Comment
  CAS-BOT-BC19397  Carex bolanderi Saichi Kawahara 1969-5-25 892 Placer Mel Henderson Ranch, Indian Creek. North of old cabin. 999 Comment
  UCD149401  Carex bolanderi G. Ledyard Stebbins 1976-7-4 7684 Placer Spring Hollow, E of Little Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC34208  Carex canescens L. S. Smith 1935-7-22 2794 Placer Tulare Forest. South of Soda Springs near [illegible]. 2133 Comment
  NY11068  Carex davyi J. B. Davy 1897-6-25 3266 Placer Truckee River Comment
  POM81103  Carex deflexa var. boottii Marcus E. Jones 1882-6-30 3307 Placer Emigrant Gap. Comment
  CAS-BOT-BC34936  Carex densa Alice Eastwood; John Thomas Howell 1937-5-8 4364 Placer Near Rocklin. Comment
  SEINET7556732 Image available Carex densa Alice Eastwood, John Thomas Howell 1937-5-8 4364 Placer Near Rocklin. Comment
  CAS-BOT-BC20592  Carex douglasii Lewis S. Rose 1944-7-10 44060 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  POM80902  Carex exserta Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  RSA70693  Carex exserta L. S. Rose 1940-6-1 40474 Placer Truckee River, 3 miles NW of Tahoe City. 1890 Comment
  OBI49286  Carex filifolia Unknown 1882-6-28 2908 Placer Emigrant Gap Comment
  SEINET1876647  Carex fracta David Keil 1978-7-23 K- 12946 Placer Cisco Grove exit from I-80, just E of Nevada Co. line Comment
  UC1133314  Carex fracta B. Bolt 1934-7-6 125 Placer Mammoth Spring 1615 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
  SD482  Carex heteroneura Darley F. Howe Jul 1915 72 A Placer Donner Comment
  UCD42858  Carex jonesii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 225 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43150  Carex lenticularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 518 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC1729930  Carex lenticularis var. lipocarpa L. P. Janeway 1998-8-6 5979 Placer 1.7 mi w of Lake Tahoe (n side of Blackwood Creek, Homewood Quadrangle); Blackwood Creek, Homewood Quadrangle 1938 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
  SEINET3000400 Image available Carex luzulifolia Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  CAS-BOT-BC32064  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer ca 1 mi W of Baxter. Comment
  RSA163823  Carex multicaulis Clare B. Hardham 1961-6-14 7349 Placer Route 40, near Baxter. Comment
  UCD74094  Carex multicostata Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 185 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2218 Comment
  CAS-BOT-BC119849  Carex nebrascensis John H. Thomas; A. Thomas 1956-7-21 6175 Placer Sierra Nevada, vicinity of Donner Pass, ca 80 mi NE of Sacramento. 2377 Comment
  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
  CHSC74301  Carex nebrascensis Susi Urie 1998-8-29 98 -172 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC74450  Carex nebrascensis Susi Urie 1998-8-27 98 -121 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  RSA35109  Carex nebrascensis L. S. Rose 1944-7-25 s.n. Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UCR240966  Carex nebrascensis George K. Helmkamp, E. A. Helmkamp 2012-9-25 19918 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  UC1133405  Carex pachycarpa N. French 1934-6-21 431 Placer nw end Lake Kid; Tahoe National Forest, Truckee Quadrangle Comment
  CHSC74292  Carex pellita Susi Urie 1998-9-1 98 -188 Placer Lake Tahoe Basin Management Unit, National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74293  Carex pellita Susi Urie 1998-8-29 98 -163 Placer Lake Tahoe Basin Management Unit, National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC89802  Carex pellita G. F. Hrusa; J. Glazner 2000-7-1 15615 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  UCD43320  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 688 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC74013  Carex praegracilis Susi Urie 1998-8-18 98 -077 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC118758  Carex preslii John Thomas Howell 1943-7-27 18877 Placer Lake Tahoe near Tahoe Pines. Comment
  UCSB63736  Carex scopulorum var. bracteosa Jokerst, James 1986-7-13 Placer Trail from The Cedars; high Sierra Nevada SW of Donner Lake; in Sheet Valley; in basin 2133 Comment
  UCD77471  Carex serratodens Robert E. Preston 2002-6-14 1818 Placer Auburn, along Dry Creek Rd, ca. 0.8 mi e of its jct with Hwy 49. 440 Comment
  CAS-BOT-BC117696  Carex simulata John Thomas Howell 1943-7-22 18696 Placer Summit Valley Comment
  CHSC74309  Carex simulata Susi Urie 1998-9-3 98 -226 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
  UCR179196  Carex straminiformis Rex Palmer 1979-7-9 N- 444 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  CAS-BOT-BC116555  Carex subfusca R. F. Hoover 1967-9-7 10855 Placer Antone Meadow. Comment
  CAS-BOT-BC116560  Carex subfusca Lewis Samuel Rose 1941-7-17 41318 Placer Chambers Lodge, Lake Tahoe. 1898 Comment
  JEPS63521  Carex subfusca W. L. Jepson 1934-8-7 16880 Placer bank of Truckee River near Squaw Valley; Truckee River Comment
  OBI22635  Carex subfusca Robert F. Hoover 1967-9-7 10855 Placer Antone Meadow Comment
  UCD149411  Carex subfusca G. Ledyard Stebbins 1976-7-6 7691 Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD43057  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 425 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC710519  Carex utriculata Lewis S. Rose 1944-7-25 44244 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UCD162534  Carex utriculata Steve Matson 1997-7-24 135 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork snow creek; near terminus of North Ave. dirt extension. 1908 Comment
  UCD162538  Carex utriculata Steve Matson 2000-6-21 433 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, 200 meters south of Parking lot, along stream. 1780 Comment
  UCD162540  Carex utriculata Steve Matson 2002-7-14 576 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of Martic Creek; along lookout mountain creek. 1780 Comment
  UCD43779  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-5 1145 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N 2072 Comment
  UC1256291  Carex whitneyi R. K. Gierisch 1969-7-11 3523 Placer Big Bend Tahoe Forest 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
  SACT002855  Castanopsis sempervirens Michael Baad 1983-7-1 Placer 3 miles south of Blue Canyon Road junction with I80 on Blue Canyon Road. White fir- ponderosa pine forest. 1584.96 Comment
  SACT002865  Castanopsis sempervirens James Grove 1977-7-15 Placer 2000.0 Comment
  JEPS1213  Castilleja Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4011 Placer s of Auburn (near bridge on Rt 49); North Fork American River 213 Comment
  UC962100  Castilleja affinis subsp. affinis Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4011 Placer s of Auburn (near bridge on Rt 49); North Fork American River 213 Comment
  UCR206835  Castilleja affinis var. affinis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15211 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  SEINET12328853  Castilleja applegatei J. H. Nishida 1985-1 771 Placer Homewood 1829 Comment
  CAS-BOT-BC518712  Castilleja applegatei subsp. pinetorum George K. Helmkamp; E. A. Helmkamp 2012-6-19 19212 Placer Northern Sierra Nevada Mountains Foothills: Mosquite Ridge Rd, 2.7 mi S of jct with Foresthill Rd 820 Comment
  RSA569210  Castilleja applegatei subsp. pinetorum Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC148992  Castilleja applegatei subsp. pinetorum H. M. Hall Jul 1910 8707 Placer Cisco; Sierra Nevada Mountains 1798 Comment
  UCR233242  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17690 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 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
  UCR250352  Castilleja applegatei subsp. pinetorum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20494 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
  CDA36985  Castilleja attenuata CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SDSU10834  Castilleja attenuata D. F. Howe 1948-5-20 1837 Placer 457 Comment
  SEINET13737547  Castilleja campestris W. Harnach 2006-6-11 1235 Placer Sierra Valley, on Marble Lane, 0.25 mile E of County Road A-23. 1487 Comment
  UCD15155  Castilleja foliolosa Phyllis Adams 1982-5-1 25 Placer in the American River Canyon along Old Foresthill Road; 396 Comment
  UC886498  Castilleja lacera C. L. Hitchcock 1940-5-14 6387 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  UC194176  Castilleja lineariloba C. F. Sonne 1891-5-17 Placer Auburn Comment
  UC198547  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198557  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UCD21855  Castilleja miniata Beth Lowe Corbin 1982-8-6 265 Placer 1/2 mile SW of Onion Creek campground. 1905 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
  UCR120236  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5065 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  UC103492  Castilleja nana C. F. Sonne Jun 1897 Placer above Summit; Sierra Nevada Mountains Comment
  JEPS103926  Castilleja pruinosa T. I. and F. M. Chuang 1991-6-29 7841 Placer Sugar Pine Reservoir Dam. Comment
  CHSC73998  Castilleja tenuis Susi Urie 1998-8-28 98 -140 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  OBI9365  Castilleja tenuis Robert F. Hoover 1967-9-5 10841 Placer Carnelian bay, Lake Tahoe Comment
  UCD162560  Castilleja tenuis Steve Matson 1999-7-28 354 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dry meadow east of main bog. 1920 Comment
  SEINET14173337  Castilleja tenuis F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  UC2014174  Ceanothus William Williams 1986-6-15 s.n. Placer Placer County: Norden. Hill at top of ski lift. Comment
  POM126437  Ceanothus X lorenzenii C. F. Sonne 1892-07 s.n. Placer Downe Lake, R Hills on road to Tahoe Comment
  CAS-BOT-BC47859  Ceanothus cordulatus Alice Eastwood 1912-6-15 493 Placer Lake Tahoe Region - Deer Park Comment
  CAS-BOT-BC47861  Ceanothus cordulatus J. T. Howell 1929-10-5 s.n. Placer Lake Tahoe Region - Ridge between Emerald Bay and Cascade lake near highway. Comment
  POM303018  Ceanothus cordulatus L. S. Rose 1944-7-11 44065 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  RSA129722  Ceanothus cordulatus N. H. French 1934-5-24 361 Placer N Fork, N Fork American River, Colfax 1341 Comment
  SACT002900  Ceanothus cordulatus Michael Baad 1976-7-17 Placer On trail to Five Lakes. 1 mile west of Alpine Meadows Ski Area. Open brushy slopes on granite. 2072.0 Comment
  SEINET191643  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Lake Tahoe Chambers Lodge (McKinney) Lake 1900 Comment
  SEINET3464284  Ceanothus cordulatus L. S. Rose 1941-7-14 1912 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) 1900 Comment
  UC496450  Ceanothus cordulatus Merle Randall 1930-6-26 Placer 3/8 mi from top Hawley Grade; Lake Tahoe Region Comment
  SEINET5339258  Ceanothus cordulatus F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe. Comment
  CAS-BOT-BC49069  Ceanothus cuneatus Mary Elizabeth Jump 1939-4-16 s.n. Placer Near Colfax on old county road to Gold Run Comment
  SACT002903  Ceanothus cuneatus Michael Baad 1976-6-16 Placer Collected on trailhead along road between Robinson Flat Soda Springs. Comment
  UC1736119  Ceanothus fresnensis Dean W. Taylor 1971-7-22 1111 Placer trail from Soda Springs to the Snow Mountain area, ca. 3 miles N of Snow Mtn, 2133 Comment
  LA43607  Ceanothus integerrimus C. L. Hitchcock; 1940-5-7 6354 Placer ca. 1 mi. W of Baxter Comment
  SBBG27262  Ceanothus integerrimus C. L. Hitchcock 1940-5-7 6336 Placer ca. 1 mi W of Baxter Comment
  UC1070714  Ceanothus integerrimus J. E. Sowder, R. W. Lundh 1933-5-15 29 Placer n slope of Colfax Hill Colfax quad. 822 Comment
  UC112945  Ceanothus integerrimus Katharine Brandegee 1908-7-17 Placer Blue Canyon Comment
  UC338452  Ceanothus integerrimus Lemmon May 1889 Placer Near Blue Canyon Comment
  POM86936  Ceanothus integerrimus var. californicus I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  SACT002943  Ceanothus lemmonii Michael Baad 1983-2-26 Placer On trail to Poor Man's Canyon on trail to El Dorado Canyon Comment
  SBBG26946  Ceanothus lemmonii C. L. Hitchcock 1927-5-7 6327 Placer ca. 1 mi W of Baxter Comment
  UCD33846  Ceanothus leucodermis Beecher Crampton 1973-10-2 9021 Placer Placer County, 1 mile east of Baxter. 1280 Comment
  CAS-BOT-BC63351  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63393  Ceanothus prostratus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains: along Forest Hill Rd., 11.1 mi. ne. of Foresthill (Westville 7.5'). 1463 Comment
  CAS-BOT-BC63396  Ceanothus prostratus H. E. McMinn 1926-5-29 1709 Placer Along highway 3.1 mi. e. of Crystal Springs. Comment
  CAS-BOT-BC63397  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer Ca. 1 mi. w. of Baxter. Comment
  JEPS81211  Ceanothus prostratus Douglas W. James Jr. 1973-5-27 123 Placer take Mosquito Ridge Road (it turns into Robertson Flats Rd) 24.7 mi from Forest Hill, turn right and go 0.7 mi to Placer County Redwood Grove parking area; Placer County Redwood Grove 1676 Comment
  UC1071286  Ceanothus prostratus J. E. Sowder 1933-4-28 59 Placer 3 mi sw Gold Run; Colfax Quad. Comment
  UCD112654  Ceanothus prostratus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 11.1 miles northeast of Foresthill. 1463 Comment
  UCR260825  Ceanothus prostratus M. Kauffman 1997-5-18 17 Placer Sierra Nevada Mtns., 0.1 mile from Indian Springs Trailhead on Eagle Lakes Road 1768 Comment
  CDA34220  Ceanothus prostratus D. G. Kelch 2011-5-17 11 .514 Placer Dutch Flat. Comment
  RSA23385  Ceanothus velutinus subsp. velutinus H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles NW of Tahoe City. 1890 Comment
  CAS-BOT-BC63179  Ceanothus velutinus var. velutinus Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe. 1889 Comment
  CDA15292  Centaurea diffusa R. O'Connell, R. Kerr 1998-10-21 1142328 Placer Sierra Nevada; on I-80 0.25 mi. E of Cisco Grove exit. 0 Comment
  CDA32782  Centaurea diffusa Robin Breckenridge 2009-8-18 PDR# 1313573 Placer In the vicinity of Cisco Grove, in eastbound I-80 center divide, near the Cisco Grove exit. 0 Comment
  CDA33856  Centaurea maculosa Keith Kohler 2010-9-22 PDR# 1379998 Placer Near Truckee & Northstar-at-Tahoe; Big Spring Drive near Gray Wolf Road, close to Nevada County line. 0 Comment
  CAS-BOT-BC277039  Centaurea maculosa T. C. Fuller 1965-8-10 13944 Placer S. side of the westbound lanes of Interstate 80 freeway, 0.1 mi. e. of Blue Canyon Rd., Sierra Nevada 1524 Comment
  UCR146861  Centaurea repens Beecher Crampton 1972-7-26 8851 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  OBI60153  Centaurium muehlenbergii David J. Keil, with Kathleen A. Keil 1999-7-17 28382 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  RSA703907  Centaurium muehlenbergii C. Rose Broome 1978-8-3 2313 Placer Town of Rough and Ready, next to Penn Valley, 29.5 miles east of Marysville on Ca Highway 20; eight miles west of Grass Valley. Comment
  UCD130182  Centromadia fitchii J. Kirkpatrick 1952-7-23 s.n. Placer Loomis. Comment
  SEINET6166154  Cephalanthera austiniae M. J. Williams 1984-6-24 84- 62 -2 Placer Skillman Flat Campground, near Highway 20 1341 Comment
  JEPS126362  Cerastium fontanum subsp. vulgare Steve Matson 2002-7-5 551 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; West Fork Snow Creek about 300 yards NW of pond, near creek and spring. Comment
  UCR206367  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2009-3-11 14388 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  SEINET7347768  Cercis canadensis H. R. Holbo 1961-3-31 s.n. Placer West fork of the American River 914 Comment
  OBI20160  Chaenactis douglasii David J. Keil 1978-7-23 12926 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  CHSC79667  Chaenactis douglasii var. douglasii G. F. Hrusa; J. Glazner 1999-5-1 15187 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UCR189300  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 2007-7-27 12625 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCR207126  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 2009-7-16 15215 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
  UCD19685  Chaenactis douglasii var. douglasii Donald W. Kyhos 1967-9-3 67 -90 Placer On Hwy 89, 2.3 miles south of Hwy. 80 on a bank just west of Hwy. 89. Comment
  UCR142916  Chaenactis glabriuscula var. heterocarpha C. L. Hitchcock 1940-5-15 6405 Placer Sierra Nevada Foothills, 6 miles north of Colfax 762 Comment
  CAS-BOT-BC141725  Chamaebatia foliolosa Nancy Ryan Zabriskie; Walter Zabriskie 1973-6-7 669 Placer Emigrant Gap (off I80 W of Donner Pass) - Sierra Nevada Mts. 1615 Comment
  RSA25255  Chamaebatia foliolosa C. Leo Hitchcock 1940-5-7 6323 Placer 1 mile west of Baxter. Comment
  RSA451328  Chamaebatia foliolosa Wm. Martin 1971-9-10 20248 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  UCD16125  Chamaebatia foliolosa A. Bebensee 1984-5-13 s.n. Placer California. Placer County: 5 mi NE of Auburn on Forest Hill Rd. Comment
  RSA90079  Chamaebatia foliolosa Marcus E. Jones 1882-6-28 3297 Placer Emigrant Gap. Comment
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Sep 7 2010
  SEINET6336151  Chamaebatia foliolosa W. D. Billings 1940-5-18 1318 Placer Area around Placer mines Gold Run Comment
  UC196661  Chamaesyce nutans E. O. Amundsen 1916-9-3 Placer East Auburn Comment
  CDA35254  Chamaesyce ocellata T. C. Fuller 1958-7-7 1998 Placer 2 miles north of Roseville. 0 Comment
  CHSC74105  Chamerion angustifolium subsp. circumvagum Susi Urie 1998-8-13 98 -027 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC70194  Cheilanthes gracillima Gordon H. True 1968-4-17 4166 Placer Hwy. 80 near Alta 1097 Comment
  POM281060  Cheilanthes gracillima Lyman Benson 1933-6-26 4532 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  RSA685843  Cheilanthes gracillima Fay A. MacFadden 1934-3-30 12534 Placer Placer County: Dutch Flat. Comment
  SEINET3153750  Cheilanthes gracillima G. B. Grant 1906-7-15 7143 Placer About Lake Tahoe 2438 Comment
  UCD23228  Cheilanthes gracillima Beth Lowe Corbin 1982-8-9 287 Placer 2/3 mile southwest of Onion Creek campground. 1767 Comment
  UCD75755  Cheilanthes gracillima Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5223 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  RSA331974  Cheilanthes gracillima W. Wisura 1985-6-1 4050 Placer Nayak, near Emigrant Pass, along dead end road to railway siding, on rocks Comment
  JEPS126346  Chenopodium album Steve Matson 2002-12-7 560 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on west side of pond near Highway 28. Comment
  POM164804  Chenopodium pumilio A. M. Carpenter s.n. Placer [No further location information] Comment
  UCD21922  Chimaphila menziesii Beth Lowe Corbin 1982-8-3 192 Placer 1/8 mile NW of Onion Creek campground. In 2 inch conifer needle duff, over fine, sandy, granitic soil. Petals white, calyx with red edge. Mostly shade. Uncommon, widely scattered. SW facing slope. 1853 Comment
  CHSC96999  Chondrilla juncea L. P. Janeway 2007-7-8 9108 Placer Northern Sierra Nevada Foothills. Along Hwy 193 0.4 km east of Sierra College Blvd and 5.3 km east of Hwy 65 and Lincoln. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 87 Comment
  SD72044  Chondrilla juncea John Thomas Howell 1966-7-29 42033 Placer 1.0 mile northeast of Loomis. 120 Comment
  CAS-BOT-BC279799  Chondrilla juncea John Thomas Howell; Gordon H. True 1967-6-14 42594 Placer 1 mile ne. of Loomis 121 Comment
  CDA37743  Chondrilla juncea William J. Ferlatte 1971-5-3 1328 Placer Southeast corner of Sierra College Blvd. & Brace Rd., about 1 mile southwest of Loomis. 0 Comment
  CDA7384  Chondrilla juncea T. C. Fuller 1967-5-3 15764 Placer Southeast corner of overpass of Interstate 80. Penryn 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-BC36375  Chrysolepis sempervirens R. F. Hoover 1967-9-5 10823 Placer Carnelian Bay, Lake Tahoe Comment
  SBBG1287  Chrysolepis sempervirens E. R. Blakley 1960-8-30 3797 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UCD21705  Chrysopsis breweri Rex Palmer Date Unknown N 891 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA22369  Chrysothamnus nauseosus subsp. albicaulis L. S. Rose 1938-9-14 38258 Placer South Fork of Yuba River, Cisco 1616 Comment
  CAS-BOT-BC100782  Chrysothamnus viscidiflorus subsp. viscidiflorus C. F. Sonne 1884-9-14 143 Placer On road to Lake Tahoe near TollHouse Comment
  SACT000748  Cinna latifolia D. Meyer 1984-7-15 Placer 12.64 km from Serene Lakes Lodge moist roadside stream. 1909.0 Comment
  POM46097  Circaea alpina subsp. pacifica Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  SEINET12189143  Circaea alpina subsp. pacifica J. A. Shafer 1884-1 s.n. Placer Comment
  CAS-BOT-BC289613  Cirsium andersonii Peter Rubtzoff 1976-9-19 8870 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  CAS-BOT-BC289614  Cirsium andersonii W. R. Dudley 1900-6-29 s.n. Placer South of Truckee River at Tahoe City 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
  UCR193401  Cirsium occidentale var. californicum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12200 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  UCD130667  Cirsium occidentale var. venustum D. H. Hartmann 1941-6-8 s.n. Placer near Auburn, along U.S. #40. 914 Comment
  CAS-BOT-BC439024  Cistanthe monosperma Alice Eastwood 1903-1-1 73 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC228886  Cistanthe umbellata A. A. Heller 1917-8-13 12912 Placer Ridge northwest of Donner Pass 2346 Comment
  CAS-BOT-BC162649  Clarkia John Thomas Howell; Gordon H. True 1971-5-26 47625 Placer Northern limits of Lincoln 48 Comment
  UC567140  Clarkia biloba C. R. Clar 1933-5-6 115 Placer near Newcastle; Smartsville Quadrangle 182 Comment
  UCD104314  Clarkia biloba F. A. MacFadden 1934-7-3 s.n. Placer Near Bear River on road from Dutch Flat. Comment
  POM37817  Clarkia biloba subsp. biloba Marcus E. Jones 1882-7-3 3340 Placer Colfax. Comment
  UCD132715  Clarkia biloba subsp. biloba Ramona Robison 2012-6-14 s.n. Placer Auburn State Recreation Area, in Mammoth Bar Off Highway Vehicle use area. 265 Comment
  LA205993  Clarkia biloba subsp. brandegeeae H. Lewis; M. Lewis 1947-6-10 385 Placer US Highway 40, 1.8 mi. S of S turnoff of Colfax Comment
  UCD77559  Clarkia biloba subsp. brandegeeae Robert E. Preston 2004-6-12 2254 Placer Ca. 0.7 mile E of Colfax, along Iowa Hill Road. 342 Comment
  UCR218238  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16441 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  UCR218240  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16438 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  CAS-BOT-BC163363  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 Placer Sacramento Valley, 1 mi. No. of Lincoln 45 Comment
  CAS-BOT-BC163364  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-5-12 8613 Placer Sacramento Valley, 1 mi. No. of Lincoln 45 Comment
  UC718181  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 Placer 1 mi n Lincoln; Sacramento Valley 45 Comment
  POM264676  Clarkia purpurea subsp. purpurea Lincoln Constance 1941-5-28 2821 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  UCD104945  Clarkia purpurea subsp. quadrivulnera K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, about 10 miles E of Auburn, in the Sierra foothills. 500 Comment
  UC1004178  Clarkia purpurea subsp. quadrivulnera W. A. Weber and Lewis S. Rose 1953-5-19 8384 Placer 5 mi n Roseville (on road to Lincoln) 45 Comment
  UC660017  Clarkia purpurea subsp. quadrivulnera Lincoln Constance 1941-5-28 2821 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  UCD104965  Clarkia purpurea subsp. viminea L. D. Gottlieb 1988-6-29 8838 Placer Iowa Hill Road, E of Colfax, 1.6 miles E of Canyon Road. Comment
  UCR218135  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16403 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UC1122463  Clarkia unguiculata N. French, R. Clar 1933-6-5 20 Placer Middle Fork American River Sacramento Quadrangle Comment
  CAS-BOT-BC229130  Claytonia megarhiza Wm. R. Hewlett 1959-8-1 s.n. Placer Lyon Peak 2651 Comment
  CDA37170  Claytonia perfoliata CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  UCR194965  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, E. A. Helmkamp 2007-5-18 12028 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
  SBBG69764  Claytonia rubra subsp. rubra M. N. Ackley -Jun-1925 783 Placer Gold Run 983 Comment
  UC588157  Clematis lasiantha Annetta Carter 1937-4-25 1248 Placer 6 1/2 mi. s.e. Loomis (between Folsom and Auburn) 152 Comment
  SEINET13391961  Collinsia heterophylla D. F. Erskine 1941-4-13 8 Placer 5 miles E of Roseville. 76 Comment
  POM147912  Collinsia tinctoria J. B. Feudge 1927-7-18 1764 Placer West of Emigrant Gap. 1524 Comment
  SEINET5796622 Image available Collinsia tinctoria Marcus E. Jones 1882-1 Placer Colfax; 39.10073 -120.953276 Comment
  UCR218248  Collinsia tinctoria George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16434 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  UCR250144  Collinsia tinctoria George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20823 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  JEPS4619  Collinsia tinctoria Rimo Bacigalupi 1952-7-20 3873 Placer 6 mi e Iowa Hill (just n of Shirttail Public Camp, near headwaters of Shirttail Creek); Tahoe National Forest 1127 Comment
  RSA780080  Collinsia torreyi Lyman Benson 1933-6-26 4528 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UC1518798  Collomia grandiflora Fay A. Macfadden 1934-6-28 12711 Placer Dutch Flat Comment
  UCR229543  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2011-7-26 17865 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
  UC1980585  Collomia grandiflora C. Rose Broome, Crissie Cagle 1978-8-2 2311 Placer Laing Rd. (frontage rd. to Rancho Sierra Inn) just S of I-80 at Emigrant Gap exit. Mountain meadow. Comment
  CDA11992  Collomia heterophylla G. F. Hrusa 1995-5-2 12173 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  SEINET2445705  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-18 12035 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 SE of Foresthill. (michigan Bluff 7.5' Q). 439 Comment
  UCR194957  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-18 12035 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
  SEINET3861935  Collomia tinctoria Genevieve K. Walden 2009-6-25 207 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  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
  SBBG58846  Corallorhiza maculata M. N. Ackley -Jun-1925 683 Placer Towle 1127 Comment
  UCD22065  Corallorhiza maculata Beth Lowe Corbin 1982-8-10 294 Placer 3/4 mile WSW of Onion Creek Campground. SE facing slope, 10% incline. Mostly shade. Uncommon. In deep duff of white fir forest. Plant reddish purple. Flower upper petal yellowish, lower white with red spots. 2023 Comment
  SEINET6166293  Corallorhiza maculata P. Lehenbauer 1933-8-6 s.n. Placer Near Homewood [West side Lake Tahoe] Comment
  RSA479486  Cordylanthus mollis subsp. hispidus Robert Holland 1982-8-16 1210 Placer Spring Valley, headwaters of Rocklin. Comment
  SD235031  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2006-8-11 11212 Placer Northern Sierra Nevada Mtns. Foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1310 Comment
  POM146205  Cornus californica J. B. Feudge 1725 Placer W. of Immigrant Gap. 1524 Comment
  RSA634241  Cornus californica Robert M. Rhode, Barbara Nemeth 1997-6-26 177 Placer Lake Tahoe, Blackwood Creek Canyon (c. 4 miles south of Tahoe City). Near Blackwood Creek Canyon Road, about 0.3 mile west of turnoff from Highway 89. 1921 Comment
  UCD117177  Cornus nuttallii Jay A. Riegel 1954-5-22 48 Placer 5 miles south of Iowa Hill. 1371 Comment
  UCD14938  Cornus nuttallii Barbara Babbe 1977-5-30 33 Placer California, Placer Co.; 19.3 miles east of Forest Hill on Mosquito Ridge Road; Comment
  CAS-BOT-BC212145  Cornus sericea Carl B. Wolf 1930-10-10 987 Placer 1 mile est of Cisco, Sierra Nevada 1828 Comment
  UCD22325  Cornus sericea subsp. occidentalis Rex Palmer 1979-5-26 N 35 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC21568  Cornus sericea subsp. sericea Mrs. M. M. Hardy 1893-1-1 Placer Comment
  RSA394655  Cornus sessilis Fay A. MacFadden 1934-7-1 12719 Placer Canyon Creek - Dutch Flat. Comment
  UC106045  Cornus sessilis T. Brandegee Sept. 1888 Placer Blue Canyon Comment
  JEPS126406  Crepis modocensis subsp. subacaulis Steve Matson 1998-6-1 256 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards north of Highway 267. Comment
  UC895336  Crepis occidentalis Marcus E. Jones, A. M. 1882-6-30 2784 Placer Emigrant Gap Comment
  JEPS111219  Cryptantha affinis Steve Matson 2005-6-15 1283 Placer Martis Valley, ca 3 miles southeast of Truckee, north of 267, 500 meters west of Martis Creek; 39.3038 N, 120.1254 W; Elevation 5840 ft. 1780 Comment
  UC78393  Cryptantha affinis Katharine Curran Sep 1888 Placer Blue Canyon Comment
Read comments
May 23 2013
  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
  SD62073  Cryptantha flaccida Darley F. Howe 1965-5-20 4056 Placer 3.5 miles north of Auburn 455 Comment
  UCD22120  Cryptantha torreyana Beth Lowe Corbin 1982-8-2 156 Placer Onion Creek Campground. South facing slope. Partial shade. In locally uncommon groups of about 25. In fine, sandy, granitic soil of mixed conifer forest. Annual herb, flowers white. 1841 Comment
  UCD34171  Cuscuta brachycalyx Beecher Crampton 1977-7-2 9512 Placer 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  UC879491  Cuscuta californica P. A. Lebenbauer 1934-7-8 Placer Cisco 2133 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
  CHSC79637  Cymopterus terebinthinus var. californicus G. F. Hrusa; J. Glazner 1999-7-18 15191 Placer Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1889 Comment
  SACT000828  Cynodon dactylon D. Meyer 1984-5-6 Placer 145.5 Comment
  CAS-BOT-BC114550  Cyperus eragrostis Brighton C. Cain 1925-8-15 4 Placer 2 miles south of Auburn at Wise Power House. Comment
  UCD35244  Cyperus niger Beecher Crampton 1952-11-9 922 Placer about 6 miles east of Auburn. Comment
  SD51216  Cyperus niger Darley F. Howe 1960-9-18 Placer Auborn; 4 miles north by canal. 518 Comment
  CAS-BOT-BC70581  Cystopteris fragilis Alice Eastwood 1912-6-15 414 Placer Deer Park, Lake Tahoe Region Comment
  RSA692808  Cystopteris fragilis May N. Ackley 1924-06 32 Placer Bear Valley 1372 Comment
  UC399282  Cystopteris fragilis Mrs. Carlotta C. Hall June 1910 Placer Cisco Comment
  CAS-BOT-BC198184  Cytisus scoparius M. F. Wojciechowski 2002-6-25 1000 Placer Roadside along US interstae highway I-80, near Dutch/Flat Gold Run exit. 944 Comment
  SEINET3228410 Image available Cytisus scoparius M. F. Wojciechowski 2002-6-25 1000 Placer Roadside along I-80, collected adjacent to rest area near Dutch Flat/Gold Run exit. 945 Comment
  SACT000864  Dactylis glomerata D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  UC718220  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer 1 mi. n. Lincoln; Sacramento Valley 45 Comment
  UCD137987  Damasonium californicum Lynn Gould 1962-4-17 49 Placer 6 miles west of Roseville, on P.F.E. Road. 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
  UCD60963  Danthonia californica var. americana August L. Hormay 1932-7-7 s. n. Placer Upper Truckee River. Comment
  UCD32806  Danthonia unispicata Beecher Crampton 1964-7-21 7116 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. Comment
  SCFS1193  Dasiphora fruticosa E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Meadow with pines past Bailey, on river trail. Comment
  POM265558  Delphinium decorum C. L. Hitchcock 1940-5-7 6334 Placer 1 mile west of Baxter. Comment
  POM270666  Delphinium depauperatum Lyman Benson 1942-7-2 11255 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  SD81065  Delphinium depauperatum Darley F. Howe 1971-7-3 4763 Placer Hillside near Truckee River, 8 miles south of Truckee 1829 Comment
  SCFS1167  Delphinium glaucum E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  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-BC8859  Delphinium glaucum Charles Frederick Sonne 1886-8-8 333 Placer along Mount Shears, S.N. Mts Above Coldshawn Comment
  CAS-BOT-BC8777  Delphinium gracilentum Carlton Elmer Purdy 1933-1-1 s.n. Placer Cisco Comment
  CAS-BOT-BC8825  Delphinium gracilentum Miss Francis Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  JEPS23624  Delphinium gracilentum L. S. Smith 1925-6-3 1619 Placer below Yankee Jims, Forest Hill Divide 1676 Comment
  UC188637  Delphinium gracilentum C. F. Sonne 1891-5 Placer between Auburn and Colfax Comment
  CAS-BOT-BC8778  Delphinium gracilentum f. versicolor Lowell Ahart 1962-7-14 s.n. Placer French Meadows 1676 Comment
  RSA149669  Delphinium hansenii Harlan Lewis 1941-5-24 s.n. Placer Auburn Comment
  CAS-BOT-BC116092  Delphinium nuttallianum Alice Eastwood 1909-1-1 54 Placer Lake Tahoe region, Sunnyside. Comment
  CAS-BOT-BC116473  Delphinium nuttallianum A. A. Heller 1909-7-16 s.n. Placer Summit 2133 Comment
  CDA9372  Delphinium nuttallianum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8548 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 m SW of Tahoe City. Comment
  CHSC11352  Delphinium nuttallianum Lowell Ahart 1962-7-14 Placer Near Ahart Camp, French Meadows. 1676 Comment
  POM121520  Delphinium nuttallianum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UC118684  Delphinium nuttallianum C. F. Sonne 1897-7-4 Placer edges of meadows Sierra Nevada Mountains, Squaw Valley Comment
  UCD15609  Dendromecon rigida Lisa Montany 1985-5-18 28 Placer Mosquito Ridge Rd, 14.3 miles west of Forest Hill Rd. Comment
  UCD36666  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer Placer County, 3 miles west of Iowa Hill. 914 Comment
  SEINET5339590  Dendromecon rigida B. Condie 1955-5-14 s.n. Placer Found on roadside out of GoldRun Calif. 1372 Comment
  UCD42889  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 257 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 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
  CAS-BOT-BC198147  Deschampsia danthonioides John Thomas Howell; Gordon H. True 1971-5-26 47622 Placer Valley Grassland, northern limits of Lincoln 48 Comment
  SACT000916  Deschampsia danthonioides Michael Baad 1983-8-27 Placer Collected on the trail between lakes. 2072.64 Comment
  SACT000921  Deschampsia danthonioides Michael Baad 1983-7-1 Placer Collected on road .4 miles beyond airport road on road from I80 to Blue Canyon. 1584.96 Comment
  UCR120499  Deschampsia danthonioides George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5030 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SACT000918  Deschampsia danthonioides Josephine Van Ess 1976-3-31 Placer Dried up vernally wet roadside. Comment
  SEINET10966581  Deschampsia danthonioides Lewis S. Rose 1946-6-23 Rose 46199 Placer Rainbow, n. of Cisco. 1737 Comment
  CHSC74337  Deschampsia elongata Susi Urie 1998-9-4 98 -251 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
  SACT000931  Deschampsia elongata Michael Baad 1983-8-21 Placer On road from Soda Springs to lakes. 2.2 miles south-west of I80 exit to Soda Springs. 2019.0 Comment
  UC1131467  Deschampsia elongata H. S. Yates 1936-8-9 5986 Placer 2 mi. s.w. Martis Peak; Truckee Quad. Comment
  UCD63302  Deschampsia elongata Beecher Crampton 1955-6-15 2898 Placer Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  UCR270996  Descurainia incana John F. Emmel 2002-6-23 1757 Placer Sierra Nevada Mountains, northern Lake Tahoe region, Middle Martis Creek 2195 Comment
  UCD22387  Descurainia incisa subsp. incisa Rex Palmer 1979-7-12 N 619 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC43414  Descurainia sophia D. Mitani 1975-5-7 s.n. Placer Dick Phillips property, P.O. Box 805, Colfax. Comment
  CDA24609  Dicentra formosa G. M. Cole 1928-5-2 Placer Near Auburn. 0 Comment
  UC112921  Dicentra formosa Katharine Brandegee 1908-6-5 Placer near Gold Run Comment
  UCD14644  Dicentra formosa Deanna Lynn Pfleger 1989-5-20 7 Placer 10 miles from Redwood Grove, south-facing slope of a disturbed roadside; 1341 Comment
  UC525851  Dicentra formosa Miss E. E. Morse 1934-5-4 Placer Towle Comment
  UC9940  Dicentra formosa Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD23417  Dicentra formosa Toni Grant 1977-5-28 31 Placer Purple flowers, low herbaceous plants in groups, partial shade. Pine forest. 0.65 miles SE of Auburn Foresthill Rd. on Mosquito Ridge Rd. Intersection is 20 miles NE of Auburn Foresthill Bridge. Comment
  JEPS72354  Dicentra uniflora Gladys L. Smith 1972-6-18 3164 Placer Alpine Meadows 2072 Comment
  SEINET5339625  Dicentra uniflora P. A. Lehenbauer 1931-4-22 1494 Placer Above Carnelian Bay. Comment
  RSA677156  Dichanthelium acuminatum Beecher Crampton 1975-9-9 9279 Placer Gold Run rest area on Hwy 80 915 Comment
  SD240795  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2010-4-17 15880 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junctio with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 313 Comment
  UCR172650  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10197 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  RSA333559  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 38 Placer W side of Sierra College Blvd, 1.1 mile S of English Colony Road intersection. 560 Comment
  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
  SEINET8476518  Dichelostemma capitatum subsp. capitatum K. Terrell 1962-1 s.n. Placer North Fork American River. 396 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
  UCR198564  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2008-4-17 13293 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CAS-BOT-BC502642  Dichelostemma multiflorum G. L. Stebbins 1978-5-28 7887 Placer West side of Big Crater 1280 Comment
  POM109853  Dichelostemma volubile Marcus E. Jones s.n. Placer Auburn Comment
  UC635220  Dichelostemma volubile H. L. Mason 1926-5-28 3276 Placer 5 mi above Auburn Comment
  CAS-BOT-BC502803  Dichelostemma volubile Eliz. Parsons Hawver 1915-5-1 s.n. Placer Auburn Comment
  SEINET10533884  Dichelostemma volubile Sonne SONNE s.n. 1891 Placer Near Auburn, Calif. Open wood climbing on trunk. Comment
  UC912550  Dieteria canescens var. shastensis H. L. Mason 1932-9-9 7179 Placer Truckee Junction Comment
  JEPS73981  Digitaria sanguinalis Virginia Bufford 1932-9-9 508 Placer near Colfax; near Colfax Comment
  SACT000967  Digitaria sanguinalis Josephine Van Ess 1976-9-6 Placer Fiddyment Road. Collected near Pistachio orchard. 27.4 Comment
  CHSC37352  Diplacus kelloggii Michael P. Crivello 1979-4-11 Placer 2.5 mi nne Auburn at confluence of North and Middle forks of the Americal River. 274 Comment
  SD243209  Diplacus 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. Burned area north of road. 1662 Comment
  CAS-BOT-BC151314  Diplacus tricolor Gordon H. True 1971-4-9 6475 Placer Rainpool area in Valley Grassland, northern limits of Lincoln. 48 Comment
  RSA300475  Disporum hookeri var. hookeri John Dourley, Walter Wisura 1982-10-13 3857 Placer 1.7 mi SW of Emigrant Gap along forestry rd. 19 1524 Comment
  SACT000996  Distichlis spicata D. Meyer 1984-8-17 Placer 4.8 km west of Blue Canyon exit. 1291.0 Comment
  UCD37040  Distichlis spicata Beecher Crampton 1956-7-17 3721 Placer Placer County, Blue Canyon. 1432 Comment
  RSA789880  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-11-28 18480 Placer Along Placer CA-193 (Lincoln-Newcastle Hwy), 2.0 miles east of East Street in Lincoln, near Stagecoach Ln. 125 Comment
  HSC34456  Dodecatheon alpinum A. M. Montalvo, J. D. Ackerman 1974-7-20 388 Placer Alpine meadows Ski Area W of Deer Park and Hwy. 89 2134 Comment
  LA83368  Dodecatheon alpinum O. H. Kappler; 1946-7-18 sn Placer Homewood, W shore, Lake Tahoe 1920 Comment
  OBI77864  Downingia bicornuta Carl B. Wolf 1937-5-12 8623 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  RSA261564  Downingia bicornuta Stella Melugin 1969-4-26 68 Placer End of Road 5005. 12 Comment
  UCD55089  Downingia bicornuta D. B. Marcum 1969-4-26 68 Placer End of Road 5005. 12 Comment
  SJSU3255  Downingia montana R. L. Fisher 1959-8-10 Placer Yuba Gap; Placer & Nevada county boundary 1706 Comment
  JEPS18157  Downingia ornatissima var. ornatissima Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-20 5629 Placer along Antelope to Roseville road (at Sacramento-Placer County line) 42 Comment
  CAS-BOT-BC41754  Draba densifolia C. F. Sonne 1882-7-30 14 Placer Sierra Nevada Mountains. Mount Stanford. 2743 Comment
  UC117690  Draba novolympica C. F. Sonne July 1892 Placer Tinker's Knob Sierra Nevada, Tinker's Knob 2743 Comment
  SEINET7249205  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  UCD22270  Drymocallis glandulosa Beth Lowe Corbin 1982-8-3 187 Placer Onion Creek Campground. 1841 Comment
  UCD43092  Drymocallis glandulosa var. glandulosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 460 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC527342  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer Near Dutch Flat 914 Comment
  UC2046875  Drymocallis lactea George K. Helmkamp with E. A. Helmkamp 2012-6-19 19238 Placer Northern Sierra Nevada Mountains: Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road. Duncan Peak 7.5' Quad. Comment
  CAS-BOT-BC157899  Drymocallis lactea var. lactea F. Almeda 1993-7-25 7306 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  SEINET6409454  Dryopteris arguta H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River Comment
  CAS-BOT-BC109479  Dudleya Saichi Kawahara 1969-5-24 823 Placer Overlooking north fork of the American River. Colfax-Iowa Hill Road between Dinner Tree and Windy Point. 585 Comment
  SEINET9315648  Dudleya cymosa Unknown 2009-5-7 14610 A Placer Sierra Nevada Mountains Foothills Comment
  UC830916  Dudleya cymosa Marcus E. Jones 1882-6-28 3346 Placer Emigrant Pass Comment
  UCSC000350  Dudleya cymosa W. W. Mackie 1904-5-4 s.n. Placer near Newcastle Comment
  SD120667  Dudleya cymosa subsp. cymosa James C. Dice 1983-5-18 Placer Applegate, 0.3 mile north of Boole Road on Sierra Vista Road. 565 Comment
  JEPS126370  Dysphania botrys Steve Matson 2003-9-6 951 Placer nSNH: Truckee River watershed, 5 air miles west of Tahoe City; Alpine Meadows ski area; base of Kangaroo lift near buildings. Comment
  SEINET1908714  Dysphania botrys G. K. Helmkamp, E. A. Helmkamp 2008-1 14098 Placer Foothills, northern Sierra Nevada Mountains; along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  SEINET4175119  Dysphania botrys A. Tiehm 1973-10-16 s.n. Placer North Fork American River near union with Middle Fork 305 Comment
  UCD61168  Echinochloa oryzicola Joel Kitzmiller 1976-6-24 Placer Pleasant Grove. Comment
  CAS-BOT-BC113469  Eleocharis bella John Thomas Howell 1938-8-2 13992 Placer 5 miles N of Brockway Comment
  UCD44629  Eleocharis macrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1995 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS14035  Eleocharis pachycarpa Rimo Bacigalupi, Alex Hawkes et al. 1952-7-19 3850 Placer 1/2 mi above bridge on the Colfax - Iowa Hill road, directly below Cape Horn station of S.P.RR North Fork American River 381 Comment
  OBI60156  Elodea nuttallii David J. Keil, with Kathleen A. Keil 1999-7-17 28379 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  CAS-BOT-BC197352  Elymus W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  CAS-BOT-BC203869  Elymus X hansenii A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax 762 Comment
  UCR257602  Elymus caput-medusae George K. Helmkamp, Amy Barnes 2014-3-21 22637 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  UCD22216  Elymus elymoides Beth Lowe Corbin 1982-8-18 373 Placer 1 1/4 miles SW of The Cedars. NE facing slope, 10% incline. Common. Mostly sun. In rocky, fine, sandy granitic soil of open white fir forest. Perennial forming moderately large bunches. Awns purplish. 1813 Comment
  UCD61513  Elymus elymoides L. M. Sparks 1912-8-1 17 Placer Lake Tahoe. 1920 Comment
  SACT001074  Elymus elymoides subsp. californicus James Grove 1977-7-15 Placer 2000.0 Comment
  SACT001079  Elymus glaucus D. Meyer 1983-10-22 Placer Searchlight ski run, from base up to Olympic Lady chairlif, downhill ski area. 2121.0 Comment
  SACT001092  Elymus glaucus D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT001095  Elymus glaucus D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  SACT001115  Elymus glaucus Michael Baad 1976-8-7 Placer 2072.0 Comment
  UCD61822  Elymus glaucus Beecher Crampton 1961-9-27 6006 Placer 1 mile west of Cisco Grove. 1706 Comment
  SEINET2473480 Image available Elymus glaucus subsp. glaucus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-1 16436 Placer Sierra Nevada Mountains Foothills; Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 410 Comment
  SEINET3821619 Image available Elymus glaucus subsp. glaucus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17863 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi NE (65 degrees) of Emigrant Gap (Blue Canyon 7.5' Q) 1590 Comment
  UCD36673  Elymus glaucus subsp. glaucus Beecher Crampton 1955-6-15 2911 Placer Placer County, 0.5 mile north of Forest Hill, on road to Yankee Jims. 975 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
  SACT001087  Elymus glaucus subsp. jepsonii D. Meyer 1983-7-24 Placer North of Interstate 80, roadside. 909.0 Comment
  UC1133039  Elymus multisetus G. T. Nordstrom 1934-6-21 131 Placer 4/10 mi wnw Mammoth Springs; Tahoe National Forest, Colfax Quadrangle Comment
  UCD36663  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2895 Placer Placer County, Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  CDA31731  Elymus trachycaulus Jim Jokerst 1986-7-13 2709 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, stop along trail south of Middle Fork American River. 0 Comment
  CDA18049  Elytrigia intermedia K. Connelly 1999-8-2 PDR 1223707 A Placer Along side of Rd 8, off of Hwy 89, Truckee. 0 Comment
  UCD105355  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12644 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  UCR231878  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2010-10-16 17032 Placer Northern Sierra Nevada Mountains Foothills, Sugar Pine Road at the southwest corner of Sugar Pine Reservoir near the dam 1128 Comment
  UCD163424  Epilobium campestre Robert E. Preston 2015-5-29 3001 Placer 1.8 mi SE of Sheridan, 0.5 mi E of Old Hwy 65, 0.25 mi N of Yankee Slough. 33 Comment
  RSA634231  Epilobium canum subsp. canum Robert M. Rhode, Barbara Nemeth 1995-7-26 1995 -/7 Placer Lake Tahoe: Blackwood Creek Canyon (ca. 4 miles south of Tahoe City). Near Blackwood Creek Canyon Road, about 0.4 mile west of turnoff from Highway 89 1921 Comment
  POM83379  Epilobium canum subsp. latifolium Robert Kessler s.n. Placer Lake Tahoe region Comment
  UCD33849  Epilobium canum subsp. latifolium Beecher Crampton 1973-10-2 9024 Placer 2 miles west of Kingvale on Highway 80 westbound. Comment
  UCR190705  Epilobium canum subsp. latifolium George K. Helmkamp, E. A. Helmkamp 2007-9-14 12967 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 15 miles east of Foresthill 832 Comment
  SEINET12861966  Epilobium canum subsp. latifolium W. D. Billings 1951-7-28 2135 Placer Red Star Ridge NW of Deadman flat, 20 miles south of Soda Springs. 1981 Comment
  CAS-BOT-BC539340  Epilobium ciliatum subsp. ciliatum James A. Neilson, Jr. 1970-7-18 1563 Placer Tahoe Basin, 2 mi NE of Tahoe City [exact location unknown] 1920 Comment
  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
  UCD150697  Epilobium ciliatum subsp. ciliatum James A. Neilson Jr. 1970-7-18 1563 Placer Tahoe Basin, 2 mi northeast of Tahoe City. (Exact location unknown. Coordinates estimated by label maker.) 1920 Comment
  UCD44585  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1951 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SEINET12867343  Epilobium ciliatum subsp. ciliatum P. A. Lehenbauer 1933-8-6 2449 Placer Lake Tahoe near Homewood Comment
  SEINET12874313  Epilobium ciliatum subsp. ciliatum P. A. Lehenbauer 1932-8-28 s.n. Placer Cisco Camp Comment
  CHSC73678  Epilobium ciliatum subsp. glandulosum L. P. Janeway; Eric Schroder 1998-9-16 6335 Placer Lake Tahoe Basin--National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  CDA15988  Epilobium densiflorum G. F. Hrusa, J. Glazner 1999-7-17 15168 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS59476  Epilobium hallianum Ezra Brainerd and Viola B. Baird 1915-7-12 218 Placer Donner Lake Sierra Nevada Mts. 1828 Comment
  UCD42811  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 177 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43332  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 700 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD42897  Epilobium hornemannii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 265 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC66584  Epilobium obcordatum P. B. Kennedy and S. B. Doten 1901-8-10 276 Placer near summit of Devils Cliff; Summit-Soda Springs Comment
  UCR111001  Epilobium oregonense George K. Helmkamp, E. A. Helmkamp 1999-6-30 5107 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  JEPS59475  Epilobium oregonense Ezra Brainerd and Viola B. Baird 1915-7-22 217 Placer bog opposite Waltons (by river); Sierra Nevada Mts., Truckee River 1905 Comment
  SD114120  Epilobium paniculatum Darley F. Howe 1978-7-14 5074 Placer Route 20, 29 miles west of Truckee. 1646 Comment
  UC126702  Epilobium torreyi Katharine Brandegee 1889-7-5 Placer Newcastle 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
  CHSC43305  Equisetum arvense Lowell Ahart 1964-7-3 11 Placer In the middle of the Middle Fork of the American River, about 1 1/2 miles north of Ahart Camp, about 2 miles north of French Meadows Reservoir. 1676 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
  UCD135717  Equisetum telmateia subsp. braunii Cree Morgan 1992-6-12 8 Placer .5 mi east. Near railroad. 975 Comment
  UCD36476  Eragrostis pilosa Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  UCD13387  Eremogone congesta Steve Daniel 1986-5-31 86 -42 Placer Entrance to Placer Big trees Park. Comment
  CAS-BOT-BC481928  Eremogone congesta var. congesta Clare B. Hardham 1978-8-11 21767 Placer SE of Thompson Peak Comment
  CAS-BOT-BC174291  Eremogone congesta var. suffrutescens A. A. Heller 1917-6-19 12741 Placer Emigrant Gap 1615 Comment
  UCR209737  Ericameria George K. Helmkamp, E. A. Helmkamp 2009-8-12 15428 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  UCD131325  Ericameria bloomeri Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer Sunnyside on west shore of Lake Tahoe. 1889 Comment
  JEPS71606  Ericameria suffruticosa Gladys L. Smith 1972-8-25 3415 Placer foot of Granite Chief Granite Chief 2575 Comment
  RSA39963  Erigeron barbellulatus J. T. Howell 1943-7-21 18666 Placer Mt. Lincoln. Comment
  JEPS111237  Erigeron bloomeri var. bloomeri Steve Matson 2005-6-19 1292 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2974 N, 120.1379; Elevation 5850 ft. 1783 Comment
  POM118205  Erigeron foliosus var. hartwegii H. M. Hall 1916-6-4 10154 Placer Bear River at Gautier Bridge, on the westerly slope of the Sierra Nevada along the border between Upper Sonoran and Transition Zones 400 Comment
  UCR218453  Erigeron foliosus var. hartwegii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16426 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  CAS-BOT-BC300672  Erigeron foliosus var. hartwegii Guy Nesom 1981-6-4 4238 Placer Iowa Hill Rd., 2.2 mi ENE of jct with Frontage Rd. in Colfax Comment
  UC201316  Erigeron foliosus var. hartwegii A. A. Heller 1917-6-19 12749 Placer hills between Lincoln and Newcastle Comment
  SCFS1196  Erigeron glacialis E. Krimmel 2014-6-26 Placer Soda Springs road, 1/4 of the way between the Onion Creek crossing and the Cedars. Comment
  CAS-BOT-BC300817  Erigeron glacialis var. glacialis F. Almeda 1993-7-24 7256 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC300821  Erigeron glacialis var. glacialis C. F. Sonne 1885-7-12 151 Placer Sierra Nevada Mts. Above Coldstream 2590 Comment
  CAS-BOT-BC295212  Erigeron inornatus Alice Eastwood 1909-1-1 269 Placer Lake Tahoe Region. Squaw Creek Comment
  JEPS16941  Erigeron inornatus var. inornatus Peter H. Raven 1956-8-4 10003 Placer dirt road n of Emigrant Gap 1493 Comment
  CAS-BOT-BC295528  Erigeron miser G. L. Stebbins 1968-8-15 6857 Placer Devil's Peak, southwest of Soda Springs 2286 Comment
  SDSU3951  Erigeron philadelphicus D. F. Howe 1948-5-23 1851 Placer American River. 305 Comment
  UC135389  Erigeron pumilus var. intermedius W. D. Bliss Jun 1888 Placer Tahoe Comment
  UCD132077  Erigeron sumatrensis Walter H. Johnson 1959-12-1 s.n. Placer Near Blue Canyon on Highway 40. 152 Comment
  CDA19537  Eriodictyon californicum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 251 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
  UCR190659  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2007-5-23 12081 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UCD34549  Eriodictyon lobbii Beecher Crampton 1985-6-23 9994 Placer Placer County, North Shore Lake Tahoe, Stateline road. Comment
  JEPS111109  Eriogonum incanum Steve Matson 2005-7-30 1420 Placer Squaw Valley ski area, 1 km WSW of High Camp (top of tramway): 39.1937 N, 120.2647 W; elevation 8,100 ft. 2468 Comment
  JEPS72790  Eriogonum incanum Gladys L. Smith 1972-6-20 3254 Placer slope just below Ward Peak summit 2628 Comment
  SD243180  Eriogonum lobbii var. lobbii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16668 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  POM279091B  Eriogonum marifolium Lyman Benson 1933-6-26 4529 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  SD243181  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18189 Placer Northern Sierrra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC1032133  Eriogonum marifolium N. French 1934-5-24 261 Placer N Fork, N Fork American River Tahoe National Forest, Colfax Quadrangle, N Fork, N Fork Ame Comment
  UC1032142  Eriogonum marifolium N. French 1934-6-4 294 Placer Lake Valley Reservoir Tahoe National Forest, Colfax Quadrangle, Lake Valley Reserv Comment
  UCR207125  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15222 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  CAS-BOT-BC263292  Eriogonum marifolium var. marifolium Arnold Tiehm 1974-8-8 523 Placer South of Murphy's Meadow 2407 Comment
  UCD21613  Eriogonum nudum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1281 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. Open W-facing granite slope at tree-line, ascending ridge. 2300 Comment
  CAS-BOT-BC264810  Eriogonum nudum var. deductum John H. Thomas; Hazelle A. Thomas 1956-7-21 6161 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  SEINET3246086  Eriogonum nudum var. deductum G. K. Helmkamp, E. A. Helmkamp 2007-1 12636 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1743 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
  UCD22132  Eriogonum nudum var. deductum Rex Palmer 1979-7-11 N 592 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR231841  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16788 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-BC264809  Eriogonum nudum var. deductum Peter Rubtzoff; Edward W. Colson 1976-7-7 8735 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  UCR229533  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2011-7-26 17860 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  SDSU6798  Eriogonum nudum var. pubiflorum D. F. Howe 1959-8-1 2769 Placer 4 miles north of Auburn. 457 Comment
  CAS-BOT-BC271969  Eriogonum nudum var. pubiflorum G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  SD51217  Eriogonum nudum var. pubiflorum Darley F. Howe 1960-9-18 2971 Placer 2 miles north of Auburn 518 Comment
  JEPS74203  Eriogonum ovalifolium var. nivale Gladys L. Smith 1972-6-20 3201 Placer plateau about terminus of Summit chairlift, Ward Peak Ward Peak 2621 Comment
  LA27118  Eriogonum spergulinum var. reddingianum L. S. Rose; 1941-7-8 41290 Placer Chambers Lodge, Lake Tahoe 1900.0 Comment
  RSA424932  Eriogonum spergulinum var. reddingianum Fay A. MacFadden 1936-8-20 12856 Placer Cisco Comment
  UCR136715  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Sierra Nevada Mtns., Chambers Lodge (McKinney), Lake Tahoe 1921 Comment
  CAS-BOT-BC271882  Eriogonum spergulinum var. spergulinum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  JEPS111184  Eriogonum strictum var. proliferum Steve Matson 2005-7-10 1390 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 500 meters W of parking area 1783 Comment
  CAS-BOT-BC268013  Eriogonum umbellatum var. furcosum Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC268014  Eriogonum umbellatum var. furcosum J. C. Hawver 1912-9-7 s.n. Placer Cisco Comment
  UCD22121  Eriogonum umbellatum var. nevadense Rex Palmer 1979-7-10 N 525 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC262172  Eriogonum umbellatum var. torreyanum Charlotte Pyle 1978-8-9 s.n. Placer East side of Silver Peak about 1.5 miles northwest of Squaw Valley 2438 Comment
  UCD101506  Eriogonum umbellatum var. torreyanum Tamara Kan 1992-8-1 s.n. Placer on Mt. Disney, just inside boundary of Onion Creek Experimental Forest, at top of south-east facing drainage. 2377 Comment
  SEINET11938402  Eriogonum umbellatum var. torreyanum C. F. Sonne 1885-1 Placer mouth of Squaw Creek, on road to Tahoe Comment
  UC6507  Eriogonum ursinum Miss M. E. Parsons Aug. 1896 Placer Deer Park Lake Tahoe, Deer Park Comment
  CAS-BOT-BC262228  Eriogonum ursinum David D. Keck 1932-6-30 1576 Placer 1 mile E. of Cisco 1800 Comment
  CAS-BOT-BC262235  Eriogonum ursinum A. Kellogg No date on label s.n. Placer Sierra Nevada Mts Comment
  RSA423165  Eriogonum wrightii var. subscaposum Alice Eastwood 1934-8-10 12857 Placer Cisco. Comment
  CAS-BOT-BC268484  Eriogonum wrightii var. wrightii L. S. Smith 1925-9-13 1733 Placer Tahoe National Forest. Deer Park 1950 Comment
  UCR173736  Eriophyllum lanatum var. croceum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10704 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  CAS-BOT-BC301406  Eriophyllum lanatum var. grandiflorum L. S. Smith 1923-5-1 1829 Placer Tahoe National Forest. Forest Hill Divide 762 Comment
  CAS-BOT-BC301408  Eriophyllum lanatum var. grandiflorum Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  CAS-BOT-BC301413  Eriophyllum lanatum var. grandiflorum Lincoln Constance; Helen Sharsmith 1933-5-14 E 21 Placer Auburn Comment
  CAS-BOT-BC301414  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1921-5-22 10582 Placer Between Lincoln & Sheridan Comment
  UCD132212  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10426 Placer Northern Sierra Nevada Foothills. 2.1 miles south of Auburn along CA Hwy 49. 293 Comment
  UCR173277  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10441 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  CAS-BOT-BC308247  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-4 8744 Placer South of snow shed at Cisco 1828 Comment
  JEPS126386  Eriophyllum lanatum var. integrifolium Steve Matson 1997-7-1 6 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course along trails. Comment
  JEPS127486  Erodium cicutarium Steve Matson 2004-7-1 1063 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters south of Highway 267, 20 meters east of Martis Creek. Comment
  JEPS16982  Eryngium castrense W. L. Jepson 1924-7-25 10650 Placer Lincoln Comment
  UCD22367  Erysimum capitatum Beth Lowe Corbin 1982-8-2 161 Placer Onion Creek Campground. S facing slope. Relatively common. Partial sun. In conifer duff over sandy, granitic soil in mixed conifer forest. Biennial herb, with bright yellow flowers and purplish stems. 1841 Comment
  SEINET5342763  Erysimum capitatum L. Miller 1934-6-10 s.n. Placer Lake Tahoe, near Homewood. Comment
  CAS-BOT-BC55091  Erysimum perenne G. B. Rossbach 1940-6-2 933 Placer Near northwest shore Lake Tahoe. 1981 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
  SBBG27309  Erythranthe bicolor C. L. Hitchcock 1940-5-14 6398 Placer Meier Ranch, ca. 6 mi N of Colfax 1097 Comment
  SEINET13694331 Image available Erythranthe bicolor C. L. Hitchcock 1940-1 6398 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  SEINET14046290 Image available Erythranthe guttata Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-1 2132 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. junction California 89 and 28 at Tahoe City, on California 89, 3.2 miles west of California Hwy. 89 Alpine Meadows.; 0 2073 Comment
  SJSU7720  Erythranthe primuloides R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  RSA25447  Erythronium californicum C. L. Hitchcock 1940-5-7 6310 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC505238  Erythronium grandiflorum Miss. T. V. Raphael 1923-7-6 s. n. Placer Cisco 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
  CAS-BOT-BC502824  Erythronium multiscapideum Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UC1533102  Erythronium purpurascens Jon Winter 1970-7 Placer Duncan Peak Lookout Station Tahoe Nat'l Forest 2189 Comment
  UC843871  Erythronium purpurascens A. A. Heller 1917-6-17 12685 Placer below Cisco (near Yuba River) 1676 Comment
  SD241117  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2012-3-31 18663 Placer Sacramento Valley: along CA-193, 0.3 mile northwest of its junction with Gold Hill Road (Gold Hill 7.5'Q) 131 Comment
  UCR247466  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2007-3-25 11709 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  CAS-BOT-BC488340  Eschscholzia lemmonii Beecher Crampton 1985-6-23 9993 a Placer North Shore Lake Tahoe, Stateline Road 1950 Comment
Read comments
Jul 13 2018
  CAS-BOT-BC419538  Eschscholzia lobbii M. S. Baker 1900-2-12 s.n. Placer Near Auburn Comment
  CAS-BOT-BC310374  Eucephalus breweri J. F. Emmel 1970-6-21 316 Placer Slope, 0.6 air mile s. of south end of Lake Mary, s. of Donner Pass 2286 Comment
  UCD131638  Eucephalus breweri Frederica Bowcutt 1994-7-22 1945 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
  UCD43193  Eucephalus breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 562 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR233384  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-8-26 18164 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  CAS-BOT-BC312160  Eurybia integrifolia Lewis S. Rose 1938-9-14 38264 Placer South Fork of Yuba River, 3 mi. e. of Cisco 1737 Comment
  JEPS111294  Eurybia integrifolia Steve Matson 2005-7-10 1384 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 400 meters NW of parking area; 39.3037 N, 120.1361 W: elevation 5,840 ft. 1780 Comment
  UC128136  Eurybia integrifolia Miss Harriet A. Walker 1908-7-26 1438 Placer Cisco 1810 Comment
  UC203811  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer near Summit hotel 2133 Comment
  UC893025  Eurybia integrifolia Lewis S. Rose 1938-9-14 38264 Placer 3 mi e Cisco; South Fork of Yuba River 1737 Comment
  UCD44702  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2068 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS111253  Festuca Steve Matson 2005-6-12 1266 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; close to fenceline; 39.2944 N, 120.1240 W; Elevation 5880 ft. 1792 Comment
  UCD65915  Festuca elmeri Beecher Crampton 1955-6-15 2861 Placer 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. Comment
  UCR258231  Festuca perennis George K. Helmkamp, Amy Barnes 2013-3-28 20235 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  CHSC74044  Festuca rubra Susi Urie 1998-8-18 98 -074 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SACT001195  Festuca rubra D. Meyer 1983-9-10 Placer West end near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT001217  Festuca rubra D. Meyer 1984-8-26 Placer 1660.0 Comment
  SACT001202  Festuca viridula Michael Baad 1976-8-25 Placer Crest of peak and ridge east of Grouse Canyon. 2499.0 Comment
  SACT001205  Festuca viridula Michael Baad 1983-8-11 Placer Trail from Whiskey Camp. 3 miles west of Alpine Meadows. 2133.0 Comment
  UCD43061  Festuca viridula C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 429 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44637  Fragaria virginiana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2003 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC447512  Fragaria virginiana var. platypetala Alice Eastwood 1909-1-1 7 Placer Sunnyside Comment
  CAS-BOT-BC53548  Frangula californica subsp. tomentella David D. Keck 1933-5-31 2430 Placer Just south of Auburn on road to Roseville 304 Comment
  CAS-BOT-BC53550  Frangula californica subsp. tomentella C. Hart Merriam 1911-11-4 s.n. Placer Colfax Comment
  CAS-BOT-BC53552  Frangula californica subsp. tomentella A. A. Heller 1917-6-16 12680 Placer near Dutch Flat 914 Comment
  UCD144217  Frangula rubra Frederic Hrusa; L. Serafini 1993-6-29 11261 Placer Duncan Creek approximately 5 meters upstream from Mosquito Ridge Road bridge crossing. 1 mile north of French Meadows Reservoir. 1400 Comment
  CAS-BOT-BC55702  Frangula rubra subsp. obtusissima A. A. Heller 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  OBI6090  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
  CHSC105853  Fritillaria agrestis Karen I. Callahan; Brad Carter 2010-2-25 22 Placer Sacramento Great Central Valley. Johnson Springview Park, managed by city of Rocklin, population is 1/4 mile from park entrance and just north of Farron Street Bridge, close to Antelope Creek. 62 Comment
  UC119841  Fritillaria agrestis J. W. Congdon 1894-4-1 Placer near Roseville Comment
  SEINET8478891  Fritillaria micrantha A. Urrutia 1960-3-19 s.n. Placer North fork American River 3 miles S of Auburn, Hwy 49, 457 Comment
  SEINET8478955  Fritillaria phaeanthera A. Badiei 1962-3-17 s.n. Placer 3 miles E of Auburn, North Fork American River. 610 Comment
  CAS-BOT-BC504446  Fritillaria recurva Saichi Kawahara 1969-5-24 846 Placer Mel Henderson Ranch, Indian Creek 1005 Comment
  SEINET8480166  Fritillaria recurva C. Fitz 1959-4-24 s.n. Placer Rough and Ready. 549 Comment
  POM67221  Galium aparine Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UC28189  Galium bifolium Kellogg 1870-6-13 Placer Camp Yuba Sierra Nevada, Cisco Comment
  SD235015  Galium bolanderi G. K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1310 Comment
  SD81249  Galium bolanderi Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  UCR206857  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15200 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  POM67470  Galium bolanderi Marcus E. Jones 1900-7-26 s.n. Placer Between [Barker?] and Emigrant gap. 1463 Comment
  UCD22292  Galium grayanum Beth Lowe Corbin 1982-8-12 333 Placer 1/8 mile NE of Onion Creek Campground. 1844 Comment
  RSA39976  Galium grayanum var. grayanum J. T. Howell 1943-7-26 18840 Placer Mt. Lincoln. Comment
  UCD42848  Galium trifidum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 214 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC74262  Galium triflorum Susi Urie; Eric Schroder 1998-9-12 98 -365 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCR231839  Galium triflorum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16782 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
  OBI58654  Gamochaeta coarctata David J. Keil, with Kathleen A. Keil 1999-7-17 28376 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  UCD73856  Garrya buxifolia Charles Goldman 1958-12 s. n. Placer Castle Lake. 1584 Comment
Read comments
Aug 28 2014
  CAS-BOT-BC178506  Garrya flavescens W. R. Dudley 1909-7-22 s.n. Placer Lover's Leap, American River Comment
  SACT001229  Gastridium ventricosum Michael Baad 1983-7-15 Placer 1.8 miles east of junction with road to Brushy Springs Station. Open rocky slopes. 1524.0 Comment
  SACT001234  Gastridium ventricosum D. Meyer 1984-6-17 Placer 545.0 Comment
  SCFS1151  Gayophytum E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  CHSC74242  Gayophytum heterozygum Susi Urie; Eric Schroder 1998-9-8 98 -274 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
  CDA15962  Gayophytum humile G. F. Hrusa, J. Glazner 1999-7-17 15128 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD150711  Gayophytum ramosissimum James A. Neilson Jr. 1970-1 1936 Placer Tahoe Basin, Lower Ward Creek. 2011 Comment
  UCR219495  Genista monspessulana Bill Haley 2009-5-12 s.n. Placer Stevens Trail near Colfax, c. 1.2 mi from trailhaed parking area on North Canyon Way, Southwest corner of trail junction leading to Burnt Flat region. Old homesteads are in the area 598 Comment
  RSA201910  Gentiana simplex Rowena Beans 1914-9-7 s.n. Placer Lake Tahoe, west of Lavern two miles. 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
  CDA37050  Geranium molle CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCD103424  Geranium molle G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11706 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UCR231823  Geranium molle George K. Helmkamp, E. A. Helmkamp 2011-4-10 17135 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  JEPS127519  Geum triflorum var. ciliatum Steve Matson 1997-7-5 42 Placer nSNH: jMartis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north side of Hwy 267, 1 kilometer west of Martis Creek. Comment
  SEINET11263970  Gilia capillaris Lowell Ahart 2002-7-22 9893 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.; 0 1780 Comment
  UCR173262  Gilia capitata subsp. mediomontana George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10425 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  RSA148690  Gilia capitata subsp. mediomontana Clare B. Hardham 1961-6-14 7362 Placer Baxter. Rte. 40 1067 Comment
  UCR256998  Gilia capitata subsp. pedemontana George K. Helmkamp, Amy Barnes 2014-4-23 22787 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
  SEINET7963111 Image available Gilia leptalea Lewis S. Rose 1941-1 41319 Placer Chambers Lodge (McKinney), Lake Tahoe 1920 Comment
  UCR233388  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2011-8-26 18172 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  SEINET2441551  Gilia tricolor subsp. diffusa George K. Helmkamp 2009-4-22 14582 Placer Sierra Nevada Mountains Foothills: Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake (Greenwood 7.5' Q.). 732 Comment
  POM260452  Githopsis specularioides C. L. Hitchcock 1940-5-14 6381 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  SEINET10464615  Githopsis specularioides Gates 1879-1 GATES s.n. Placer Rose Springs Comment
  CAS-BOT-BC282692  Glyceria elata Margaret Williams 1974-8-8 74 -p1-39 Placer Murphy's Meadow, 5 miles southeast of Hirschdale, Sierra Nevada 2316 Comment
  SACT001256  Glyceria elata D. Meyer 1984-7-29 Placer Road south of reservoir moist shady north-facing slope. 1612.0 Comment
  SACT001258  Glyceria elata D. Meyer 1984-9-23 Placer Moist north-facing hillside seeping with water. 2109.0 Comment
  SACT001266  Glyceria grandis D. Meyer 1984-7-21 Placer East bank of river. Highway 89, 2 km north of Tahoe City 1879.0 Comment
  CHSC84566  Glyceria occidentalis John Dittes 2003-5-25 2003 -26 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
  CAS-BOT-BC307365  Gnaphalium palustre John H. Thomas; Hazelle A. Thomas 1956-7-21 6165 Placer Vicinity of Donner Pass about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  UC614816  Gnaphalium palustre Beryl O. Schreiber 1932-9-11 765 Placer road to Summit 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
  CAS-BOT-BC235482  Gratiola heterosepala Craig P. Martz 1989-4-20 281 Placer Approximately 2.2 airmiles northwest of Lincoln, east of State Route 65 47 Comment
  CAS-BOT-BC314602  Grindelia hirsutula Saichi Kawahara 1969-5-25 1030 Placer Nigger George Ravine, near BM 2393, Colfax - Iowa Hill Road 729 Comment
  UCR170814  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2005-9-30 9938 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  SCFS1202  Hackelia nervosa E. Krimmel 2014-4-21 Placer 200 yards south of Pt. Mariah warming hut 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
  UCSB16091  Hackelia velutina Breedlove, Dennis 1962-6-13 Placer On the western bank of Lake Tahoe along State Highway 89, 8.3 miles south of Tahoe City; Sierra Nevada 1889 Comment
  CAS-BOT-BC306526  Helenium bigelovii Brandegee No date on label s.n. Placer Cisco Comment
  CHSC69870  Helenium bigelovii L. P. Janeway; Eric Schroder 1997-7-17 5248 Placer Meadow on the southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  POM359761  Helenium puberulum Wm. Martin 1971-9-10 20238 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  SACT000810  Heleochloa schoenoides Josephine Van Ess 1982-11-13 Placer Folsom Lake. ON horsetail North from Twin Rocks Road. Open flat area. Comment
  SACT000811  Heleochloa schoenoides Josephine Van Ess 1976-8-11 Placer Collected on outskirts of Lincoln in dried pond near clay plant. Comment
  UC1069450  Helianthella californica subsp. nevadensis B. Bolt 1934-7-11 95 Placer Cascade Lakes Tahoe National Forest, Truckee Quadrangle Comment
  UCD21772  Helianthella californica var. nevadensis Beth Lowe Corbin 1982-8-4 212 Placer 1/4 mile west of Onion Creek campground. In fine, sandy soil of montane chaparral. Ray and disc flowers deep yellow. Full sun. SW facing slope, 15% incline. Locally abundant. 1889 Comment
  CAS-BOT-BC314973  Hemizonella minima Miss. H. A. Walker 1910-6-1 2036 Placer Deer Park Comment
  CAS-BOT-BC314974  Hemizonella minima H. M. Hall 1910-7-11 8760 Placer Cisco Butte, Sierra Nevada Mountains 1981 Comment
  POM75559  Hesperochiron californicus Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UC24121  Hesperochiron californicus Mrs. M. M. Hardy 1893-1 Placer Comment
  CHSC82577  Heterocodon rariflorum Lowell Ahart 2002-7-22 9883 Placer 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
  UCD35205  Heterotheca grandiflora Beecher Crampton 1953-10-6 1659 Placer 1.5 miles north of Lincoln. 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
  UCR218452  Heuchera micrantha George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16425 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  SEINET6031227  Heuchera micrantha S. Dean 1979-3-31 s.n. Placer Eldorado Creek near junction with N. fork of Middle Fork of American River on Mosquito Ridge Rd 518 Comment
  CAS-BOT-BC425220  Heuchera rubescens D. L. Smith; G. L. Stebbins 1976-7-3 C 7673 Placer Big Crater, on northwest side of Ralston Ridge 1249 Comment
  UC197201  Heuchera rubescens var. glandulosa C. F. Sonne 1897-7-18 Placer e slope Mt. Andersen; Sierra Nevada Mountains 2590 Comment
  UC66411  Heuchera rubescens var. glandulosa P. B. Kennedy and S. B. Doten 1901-8-10 270 Placer Devil's Cliff Soda Springs Comment
  SBBG66312  Hieracium albiflorum M. N. Ackley -Jun-1925 153 Placer Gold Run 983 Comment
  UCD132317  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC541434  Hieracium argutum G. Ledyard Stebbins 1970-7-12 7054 Placer In canyon of North Fork of American River at Rawhide Mine, 4.5 mi E of Alta [exact location unknown] 762 Comment
  CAS-BOT-BC316039  Hieracium scouleri K. Templeton; B. Love 1988-8-6 s.n. Placer Middle Fork American River 423 Comment
  POM118251  Hieracium scouleri H. M. Hall 1912-7-18 9365 Placer Willow Creek. 1280 Comment
  JEPS126276  Hippuris vulgaris Steve Matson 2002-6-16 532 Placer Truckee River Canyon about 1 mile downstream (west) of Tahoe City and Highway 89, next to Tahoe Rim Trail. Comment
  UC1129898  Hoita macrostachya C. R. Clar 1933-6-6 132 Placer near Rattlesnake Bridge; Sacramento Quadrangle Comment
  CAS-BOT-BC280703  Holcus lanatus John Thomas Howell; Gordon H. True 1968-6-9 44509 Placer Alta 1066 Comment
  CAS-BOT-BC280704  Holcus lanatus Saichi Kawahara 1969-7-6 1033 Placer Near B.M. 2393, Nigger George Ravine, Colfax-Iowa Hill Road 729 Comment
  RSA121227  Holcus lanatus N. H. French 1933-5-5 42 Placer S. of Newcastle. 183 Comment
  SACT001285  Holcus lanatus D. Meyer 1984-5-6 Placer 145.5 Comment
  UCD84856  Holcus lanatus Beecher Crampton 1961-9-27 6012 Placer 1 mile west of Cisco Grove, along U.S. Highway 40, Yuba River. 1706 Comment
  CDA7986  Holocarpha virgata K. Connolly, Robin Breckenridge 1992-9-3 Placer Along Corporation Yard Road, Rocklin. 0 Comment
  UC895385  Holocarpha virgata subsp. virgata A. A. Heller 1915-9-12 12276 Placer fields near Roseville Comment
  UC415595  Holodiscus discolor C. F. Sonne 1886-7-17 Placer along Truckee River, Placer Co. Comment
  CAS-BOT-BC152579  Holodiscus discolor var. discolor A. A. Heller 1917-8-13 12896 Placer Base of a cliff north of Summit Hotel 2164 Comment
  POM360687  Holozonia filipes Fay A. MacFadden 1934-7-2 12586 Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  UCD44015  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1381 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44601  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1967 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD85460  Hordeum brachyantherum L. S. Smith 1931-7-24 s.n. Placer Marlette Lake east of Lake Tahoe. 2438 Comment
  CHSC69979  Hordeum brachyantherum subsp. brachyantherum L. P. Janeway; Eric Schroder 1997-7-17 5250 Placer Tahoe National Forest. Meadow on southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  SACT001337  Hordeum geniculatum D. Meyer 1984-4-15 Placer Roadside appears to have been in vernal pool. 36.97 Comment
  CDA37221  Hordeum leporinum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT001372  Hordeum leporinum D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  CDA15959  Horkelia fusca subsp. parviflora G. F. Hrusa, J. Glazner 1999-7-17 15146 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  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-BC537859  Horkelia fusca var. parviflora James R. Shevock 1985-8-9 11339 Placer W'tern slope of N'thern Sierra Nevada: Tahoe Nat'l Forest, Granite Chief Wilderness, along trail 16E10 in Picayune Valley 2050 Comment
  JEPS127551  Horkelia fusca var. parviflora Steve Matson 2000-6-24 452 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 400 m north of Hwy 267, 10 m west of Martis Creek. Comment
  CAS-BOT-BC514266  Horkelia fusca var. pseudocapitata Margaret J. Williams 1985-7-6 85- 61 -8 Placer Sierra Nevada: near old Donner Summit, S of Lake Mary 2286 Comment
  UCR191078  Horkelia tridentata subsp. tridentata George K. Helmkamp, E. A. Helmkamp 2007-5-23 12061 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  CAS-BOT-BC537949  Horkelia tridentata var. tridentata Margaret J. Williams 1986-6-9 86- 64 -3 Placer South of I-80 near Cisco Grove. 1743 Comment
  CAS-BOT-BC537982  Horkelia tridentata var. tridentata Dr. A. Kellogg 1870-6-14 s. n. Placer Cisco Comment
  SEINET7716723  Hosackia crassifolia Unknown 1888-7-14 Placer Summit Soda Comment
  UCD106158  Hosackia oblongifolia R. Tofsrud 1951-7-1 s.n. Placer ca. 5 mi. below Soda Springs, Hwy. 40. Comment
  SEINET5327468  Hosackia oblongifolia var. oblongifolia P. B. Kennedy, Samuel Bradford Doten 1901-8-15 406 Placer Bearman's camp, 6 mi from French Meadows Comment
  SEINET11259362 Image available Hulsea californica A. Tiehm 1973-10-16 s.n. Placer Bank of North Fork of American River near union with Middle Fork 305 Comment
Read comments
May 12 2020
  JEPS127470  Hydrophyllum capitatum var. alpinum Steve Matson 1998-6-14 238 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UCD22027  Hydrophyllum capitatum var. alpinum Rex Palmer 1979-6-20 N 276 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS1655  Hydrophyllum occidentale Lloyd Austin 1924-1 Placer Alta Comment
  CAS-BOT-BC400939  Hypericum anagalloides Alice Eastwood 1909-1-1 241 Placer Lake Tahoe Region. Deer Park Comment
  UCD22033  Hypericum anagalloides Beth Lowe Corbin 1982-8-19 378 Placer 1 1/2 miles south of The Cedars. NE facing slope, 10% incline. Common, mostly sun. Flowers deep yellow. In moist, very fine, sandy soil of small meadow in white fir forest. 1859 Comment
  UC128392  Hypericum anagalloides Miss Harriet A. Walker 1908-7-27 1461 Placer Yuba R. near Cisco; Yuba R. Comment
  UCR201895  Hypericum concinnum George 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
  UC721200  Hypericum concinnum Rogers McVaugh 1941-7-28 6166 Placer canyon 3 mi. n.e. Colfax Comment
  JEPS111214  Hypericum formosum var. scouleri Steve Matson 2005-7-4 1380 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; 39.2870 N, 120.1399 W: elevation 5,900 ft. 1798 Comment
  UCD35243  Hypericum mutilum subsp. mutilum Beecher Crampton 1952-11-9 925 Placer 6 miles east of Auburn. 457 Comment
  POM178043  Hypericum perforatum Marcus E. Jones 1930-7-11 25286 Placer Auburn Comment
  UCD110375  Hypericum perforatum subsp. perforatum G. K. Helmkamp; Elizabeth A. Helmkamp 2006-6-14 10709 Placer Northern Sierra Nevada foothills: 0.2 mile north of Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 488 Comment
  UCD38901  Hypericum perforatum subsp. perforatum Beecher Crampton 1959-7-23 5424 Placer 6 miles north of Folsom. Comment
  RSA0036081  Hypericum scouleri Marcus E. Jones 1930-7-11 s.n. Placer Auburn Comment
  SEINET5344239  Hypericum scouleri P. A. Lehenbauer 1932-9-5 s.n. Placer Truckee River, near Tahoe City Comment
  CAS-BOT-BC438826  Hypochaeris glabra George K. Helmkamp; Mary Alice Barnes 2013-5-3 20464 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  SEINET3167476  Hypochaeris glabra R. W. Spellenberg, N. Zucker 2010-4-16 14154 Placer N edge of Lincoln along Hwy. 65 45 Comment
  UCR257567  Hypochaeris glabra George K. Helmkamp, Amy Barnes 2014-4-23 22772 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
  CDA36751  Hypochaeris glabra D. B. Joley 1976-4-22 13 Placer Loomis area, Butterfield s. 0 Comment
  SCFS11529122  Ipomopsis aggregata E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing in drying stream bed. Comment
  POM319890  Ipomopsis aggregata subsp. formosissima Barbara Shervanick 1972-06 635 Placer Devil's peak, Sierra Nevada, Rubion River drainage area 1616 Comment
  UC23473  Ipomopsis congesta C. J. Fox Jr. 1895-7-1 Placer near Squaw Peak Comment
  SD62133  Iris hartwegii Darley F. Howe 1965-5-20 Placer Canyon on south side of American River, near Yankee Jims. 914 Comment
  UCD23395  Iris hartwegii Toni Grant 1977-5-28 34 Placer Pale yellow flowers in scattered groups, partial to full sun. 2 miles SE of Auburn Foresthill Rd. on Mosquito Ridge Rd. Intersection is 20 miles NE of Auburn Foresthill Bridge. Comment
  SEINET8752790  Iris macrosiphon S. Eliades 1976-3-20 950 Placer North fork of the American River, 3 miles east of Auburn. 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
  RSA739596  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. 40 Comment
  UCD37749  Iva axillaris Beecher Crampton 1961-9-27 6018 Placer Blue Canyon. 1430 Comment
  JEPS16970  Iva axillaris subsp. robustior Peter H. Raven 1956-8-4 9978 Placer Blue Canyon Sierra Nevada 1432 Comment
  CAS-BOT-BC340263  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  UC518949  Jensia rammii David D. Keck 1933-5-31 2425 Placer 1.5 mi s Nevada County line ((Bear River) on Grass Valley--Auburn Highway) Comment
  RSA755562  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer along CA-193, 5.3 miles east of Lincoln 123 Comment
  UCD33732  Juncus articulatus subsp. articulatus Beecher Crampton 1972-7-26 8842 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  CHSC74320  Juncus balticus Susi Urie 1998-9-3 98 -236 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UCD141348  Juncus balticus subsp. ater L. S. Smith 1916-6-19 642 Placer Squaw Valley. 1889 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
  UC842326  Juncus bufonius var. bufonius Marcus E. Jones, A. M. 1882-7-4 2903 Placer Colfax Comment
  CHSC96501  Juncus capitatus Lowell Ahart; Brian Williams 2007-4-13 13658 Placer On damp granite soil, on the 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
  UCD141445  Juncus chlorocephalus L. S. Smith 1915-1 s.n. Placer Squaw Valley. Comment
  UC1748358  Juncus confusus Susi Urie 1998-8-11 98 -14 Placer about 2 mi W of Lake Tahoe and Sunnyside (about 0.5 mi N of Ward Creek, along a small tributary) 2097 Comment
  CHSC89803  Juncus covillei G. F. Hrusa; J. Glazner 2000-7-1 15597 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  JEPS111250  Juncus covillei var. obtusatus Steve Matson 2005-7-10 1383 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 200 meters NW of parking area. 1780 Comment
  CHSC74458  Juncus ensifolius Susi Urie; Eric Schroder 1998-9-9 98 -311 Placer Lake Tahoe Basin--National Forest. On south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCD162587  Juncus ensifolius Steve Matson 2003-6-12 846 Placer nSNH; Tahoe Basin; Ward Canyon (west shore), about 2 miles East of Highway 89, near junction of Tahoe Rim Trail and Ward Canyon Road. 1987 Comment
  UCD162590  Juncus ensifolius Steve Matson 2002-8-17 701 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 Comment
  UCD34025  Juncus ensifolius Beecher Crampton 1975-9-9 9277 Placer Placer County, Gold Run rest area on Hwy. 80. 914 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
  CHSC68066  Juncus nevadensis James D. Jokerst 1986-7-12 2695 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  CHSC74324  Juncus nevadensis Susi Urie 1998-9-4 98 -252 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CDA15943  Juncus occidentalis G. F. Hrusa, J. Glazner 1999-7-17 15151 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET9342708  Juncus occidentalis Unknown 1999-7-17 15151 Placer Martis Valley, CA (Lat. 39deg18'39") Comment
  RSA39974  Juncus orthophyllus J. T. Howell 1943-7-22 18706 Placer Summit Valley. Comment
  UCD43151  Juncus orthophyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 519 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD74147  Juncus parryi Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 249 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Donner's Way' ski run. 2154 Comment
  UCD36110  Juncus patens Beecher Crampton 1952-11-9 923 Placer 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  JEPS102505  Juncus tenuis Lowell Ahart 2001-10-10 9351 Placer French Meadows Reservoir, about 1/4 mi NE of the boat or trail access area on the NW side of the reservoir, about 3/4 mi SW of the bridge across the Middle Fork of the American River, about 1 3/4 mi SW of Ahart Camp, about 22 mi (air) NE of Forest Hill. 1591 Comment
  CHSC68036  Juncus uncialis James D. Jokerst 1986-4-14 2616 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  CAS-BOT-BC235567  Keckiella breviflora L. S. Smith 1926-5-23 1830 Placer Tahoe National Forest, American River slopes, below Forest Hill 548 Comment
  POM216172  Keckiella breviflora D. D. Keck 1933-6-1 2432 Placer 2.3 miles southeast of Loomis on back road to Folsom. Comment
  UC886838  Keckiella breviflora Marcus E. Jones, A. M. 1882-6-28 3276 Placer Emigrant Gap Comment
  SEINET12330172  Keckiella breviflora M. J. Williams 1984-1 84- 65 -1 Placer 0.3 mi from Hwy 20, on Bowman Lake Rd 1524 Comment
  CAS-BOT-BC235626  Keckiella breviflora var. breviflora C. L. Hitchcock 1940-5-4 6413 Placer Meier Ranch, ca. 6 mi. north of Colfax 762 Comment
  JEPS15111  Keckiella breviflora var. breviflora N. French 1934-5-29 377 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quad. 1463 Comment
  CAS-BOT-BC334217  Kelloggia galioides George K. Helmkamp; E. A. Helmkamp 2012-6-19 19223 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road (Deadwood Rd.), 1.2 miles S of its junction with Foresthill Road 1648 Comment
  CHSC10739  Kelloggia galioides Lowell Ahart 1972-7-7 138 Placer French Meadows. 1524 Comment
  POM263779  Kelloggia galioides L. S. Rose 1941-7-21 41338 Placer Chambers Lodge (McKinney), Lake Tahoe. 1900 Comment
  RSA121077  Kelloggia galioides B. Bolt 1934-7-19 152 Placer 1 mile S of Whiskey Hill. 1646 Comment
  SD243203  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16649 Placer Northern Sierra Nevada Mountains: Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill. 1384 Comment
  UC1125659  Kelloggia galioides B. Bolt 1934-7-20 153 Placer Whiskey Hill; Tahoe National Forest, Colfax Quad. 1645 Comment
  UCD22298  Kelloggia galioides Rex Palmer 1979-7-11 N 578 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR215979  Kelloggia galioides George K. Helmkamp, Amy Barnes 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  SEINET12328850  Kelloggia galioides J. H. Nishida 1985-1 784 Placer Homewood 1829 Comment
  OBI60149  Kickxia elatine David J. Keil 1999-7-18 28383 Placer S of Placerville; ca 5 rd mi E of Calif Rte 49 along Sand Ridge Rd. Sierra Nevada foothills 457 Comment
  UCD33506  Kochia scoparia Beecher Crampton 1969-10-9 8519 Placer ca. 2 miles east of Old Emigrant Gap post office on Interstate 80. 1584 Comment
  SACT001427  Koeleria phleoides Josephine Van Ess 1980-4-23 Placer Collected at intersection with Taylor Road. Weedy area, near building. 121.9 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
  UCR208600  Kumlienia hystricula George K. Helmkamp, E. A. Helmkamp 2009-5-7 14630 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CHSC74068  Lactuca serriola Susi Urie 1998-8-18 98 -068 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
  CAS-BOT-BC341352  Lagophylla glandulosa Rimo Bacigalupi; G. L. Stebbins; Juan Hunziker; Alex Hawkes; Daniel Zohary; Howard Stutz; Friedrich Ehrendorfer 1952-7-19 3848 Placer On grade down into and on the north slope of the North Fork of the American River, 1 1/2 miles north of (and below) Colfax on the road to Iowa Hill Comment
  JEPS7096  Lagophylla glandulosa Rimo Bacigalupi with G. L. Stebbins, Juan Hunziker, Alex Hawkes, Daniel Zohary, et al 1952-7-19 3848 Placer 1.5 mi n of (and below) Colfax (on the road to Iowa Hill, on grade down into and on the n slope of the North Fork of the American River); North Fork of the American River Comment
  UCD21778  Lagophylla ramosissima Beth Lowe Corbin 1982-8-3 167 Placer Onion Creek campground. 1841 Comment
  UCD125092  Lamium amplexicaule Allan R. Magie 1957-3-24 112 Placer Auburn. Comment
  CHSC96472  Lasthenia fremontii Lowell Ahart; Brian Williams 2007-4-13 13631 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
  POM361598  Lasthenia fremontii C. B. Wolf 1937-5-12 8621 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  CAS-BOT-BC353497  Lasthenia fremontii Brandegee No date on label s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  SBBG128601  Lasthenia glaberrima G. K. Helmkamp, E. A. Helmkamp 2011-5-12 17252 Placer S of Lincoln along Athens Ave, 1.6 mi E of Fiddyment Rd, 0.6 mi W of Industrial Ave 41 Comment
  RSA739658  Lathyrus angulatus John Dittes 2003-5-25 2003 -29 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  RSA406669  Lathyrus latifolius Wm. Martin 1971-9-11 20285 Placer 1 mile south of Auburn on Hwy. 49, North Fork of American River. Comment
  UC15345  Lathyrus nevadensis var. nevadensis State Survey 1865-4-13 4629 Placer Forest Hill Comment
  CAS-BOT-BC213269  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer Ca. 1 mile west of Baxter. Comment
  SEINET6658657  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12004 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 2.8 miles southeast of Foresthill (Foresthill 7.5' Q.).; 0 814 Comment
  UCR235613  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18914 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  SEINET5327342  Lathyrus sulphureus W. D. Billings 1940-5-18 1304 Placer Opening in undisturbed pine woods Gold Run Comment
  HSC82271  Layia fremontii Thomas W. Nelson, Jane P. Nelson 1979-4-11 4597 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UCD77803  Legenere limosa Robert E. Preston 2002-5-3 1787 Placer around 3 miles ssw of Lincoln, north of Orchard Creek 35 Comment
  UCR260072  Leontodon taraxacoides subsp. taraxacoides George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22414 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  CAS-BOT-BC88774  Lepidium appelianum T. C. Fuller 1964-9-1 12570 Placer Sierra Nevada. North side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. 1828 Comment
  JEPS82335  Lepidium campestre Gladys L. Smith 1982-6-24 7427 Placer Goose Meadow Comment
  UCR170818  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2005-9-30 9958 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCD115694  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer 1 sq. rd. infestation along S.P.R.R. tracks, 3/4 mi. n.e. of Loomis. Comment
  UCR231849  Lepidium latifolium George K. Helmkamp, E. A. Helmkamp 2010-8-11 16754 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  RSA285918  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer Along SPRR tracks, 0.75 mi NE of Loomis. Comment
  SEINET5326391  Lepidium nitidum 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
  JEPS113103  Lepidium nitidum var. nitidum Lowell Ahart, Brian Williams 2007-4-13 13639 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC570340  Lepidium perfoliatum N. French 1933-6-15 78 Placer Clipper Cap Sacramento Quad. 518 Comment
  CHSC10722  Lepidium ramosissimum Lowell Ahart 1962-7-14 Placer Near Ahart Camp, French Meadows. 1676 Comment
  UCD22377  Lepidium ramosissimum Beth Lowe Corbin 1982-8-3 168 Placer Onion Creek Campground. S facing slope. Moderately abundant. Full sun. In fine, sandy, granitic soil of open, dry meadow in mixed conifer forest. Annual. Sepal margins white. 1841 Comment
  SD247379  Lepidium strictum George K. Helmkamp, Amy Barnes 2013-3-28 20288 Placer Eastern Sacramento Valley: northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan. 35 Comment
  UCR249529  Lepidium strictum George K. Helmkamp, Amy Barnes 2013-3-28 20288 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  SEINET11261799  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17900 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, 0.9 miles N of its junction with CA Hwy 20, 0.85 miles NE (23 degrees) of Emigrant Gap and N of I-80.; 0 1434 Comment
  JEPS71341  Leptodactylon pungens Gladys L. Smith 1972-6-20 3203 Placer Ward Peak; on open plateau about terminus of Summit chairlift 2621 Comment
  RSA293428  Leptosiphon bicolor Reino Alava 1958-5-3 2027 Placer On roadside meadow, eleven miles from Auburn on the County Road No. 79. Comment
  POM260279  Leptosiphon bolanderi C. L. Hitchcock 1940-5-15 6407 Placer 6 miles N of Colfax Comment
  UCD22109  Leptosiphon ciliatus Rex Palmer 1979-6-21 N 389 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD118758  Leptosiphon filipes Ted Niehaus 1959-5-3 98 Placer Granite Bay park, north shore of Folsom Lake. Comment
  POM75327  Leptosiphon harknessii H. M. Hall 1910-6-26 8717 Placer Cisco; Upper Transition Zone 1800 Comment
  POM364711  Leptosiphon harknessii Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CAS-BOT-BC342045  Lessingia virgata A. A. Heller 1915-9-12 12275 Placer In fields near Roseville Comment
  UCD134133  Leucanthemum vulgare R. N. Raynor 1939-5-31 s.n. Placer along Highway 3 miles above Auburn. Comment
  POM126727  Leucophysalis nana Helen D. Geis 1912-06 63 Placer Deer Park. Comment
  UCD21480  Leucothoe davisiae Beth Lowe Corbin 1982-8-24 416 Placer One and 3/4 miles SW of the Cedars. 1950 Comment
  CDA38865  Leucothoe davisiae T. C. Fuller 1973-8-23 19982 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  JEPS111329  Lewisia nevadensis Steve Matson 2005-5-24 1240 b Placer Southeast of Truckee, Martis Creek Wildlife Area, 100 meters north of 267, 50 meters west of creek. 39.3033 N, 120.1211 W. Elevation 5,840 ft. 1780 Comment
  POM101901  Lewisia nevadensis Marcus E. Jones 1902-6-27 s.n Placer Emigrant Gap Comment
  UC1136687  Lewisia nevadensis N. French 1934-6-19 319 Placer 1/4 mi w Devil's Peak; Tahoe National Forest, Colfax quadrangle Comment
  CAS-BOT-BC444557  Lewisia triphylla A. A. Heller 1917-6-17 12682 Placer Along the Yuba River below Cisco 1676 Comment
  UCD38667  Leymus triticoides Beecher Crampton 1956-7-17 3725 Placer Blue Canyon. 1432 Comment
  JEPS72671  Ligusticum grayi Gladys L. Smith 1972-6-18 3139 Placer Alpine Meadows 2072 Comment
  POM132902  Ligusticum grayi Allen M. Carpenter 1892-08 4010 Placer Sierra Nevada Mountains Comment
  UC875078  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer s. of Summit valley Mt. Lincoln 2499 Comment
  CAS-BOT-BC130528  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  CAS-BOT-BC130530  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  UCR215902  Lilium humboldtii subsp. humboldtii George K. Helmkamp, Amy Barnes 2009-7-12 15171 Placer Sierra Nevada Mountains Foothills, along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  SEINET3992198  Lilium pardalinum Vollmer, L. Beane 1951-1 188 Placer Bear Valley, east of Nevada City Comment
  UC148980  Lilium parvum H. M. Hall Jul 1910 8755 Placer near Cisco; Sierra Nevada Mountains 1859 Comment
  CAS-BOT-BC508486  Lilium parvum A. A. Heller 1919-7-26 13312 Placer West of Donner Pass 2072 Comment
  CAS-BOT-BC508488  Lilium parvum C. F. Sonne 1892-7-1 s.n. Placer West slope Washoe Mts. Comment
  UCR215987  Lilium washingtonianum var. washingtonianum George K. Helmkamp, Amy Barnes 2009-7-12 15179 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UCR146678  Limnanthes alba Beecher Crampton 1953-4-13 1096 Placer Sacramento Valley, 2 miles north of Lincoln, Sunnybrook Farm 43 Comment
  SD236324  Limnanthes alba subsp. alba G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13290 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36 Comment
  UCD116462  Limnanthes alba subsp. alba Beecher Crampton 1953-4-13 1096 Placer Sunnybrook Farms, 2 miles north Lincoln, Francheschi Ranch. Comment
  SEINET3154763  Limnanthes douglasii M. E. Jones 1882-6-28 3285 Placer Emigrant Gap Comment
  UC17892  Limnanthes douglasii subsp. rosea Mrs. M. M. Hardy 1893-1 Placer 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
  CAS-BOT-BC246053  Limosella aquatica John Thomas Howell 1943-7-19 18579 Placer Summit Valley Comment
  CAS-BOT-BC246054  Limosella aquatica Ira L. Wiggins 1933-8-21 6788 Placer Shores of Lake Tahoe, near Tahoma Comment
  UCR121481  Linanthus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 D Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC879909  Linanthus ciliatus Alice Eastwood Jun 15 1912-Jun 19 1912 479 Placer Deer Park Lake Tahoe Region Comment
  UC163928  Linanthus harknessii H. M. Hall 1910-6-26 8717 Placer Cisco 1800 Comment
  UCD128414  Linanthus pungens Albert Grigarick 2012-7-9 336 Placer Judah Peak Trail branching from Pacific Crest Trail. To sub-summit of Donner Peak. Pacific Crest Trail S from Donner Summit (Hwy 40). 2353 Comment
  CDA6361  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4178 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  CDA6375  Linaria vulgaris G. D. Barbe, W. Sauer 1984-7-25 4179 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  OBI60154  Lindernia dubia David J. Keil, with Kathleen A. Keil 1999-7-17 28381 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  CAS-BOT-BC240379  Linnaea borealis subsp. longiflora Margaret J. Williams 1984-6-24 84- 62 -1 Placer Near Hwy 20, Skillman Flat Campground 1341 Comment
  CAS-BOT-BC36570  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-11 1731 Placer 8 miles west of Emigrant Gap 1371 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
  SACT002873  Lithocarpus densiflorus var. echinoides Josephine Van Ess 1982-10-16 Placer Opening in moist forest area shrub. Leaves pale. Comment
  UC858198  Lithophragma A. A. Heller 1917-6-17 12698 Placer along Yuba River below Cisco; Yuba River 1676 Comment
  CAS-BOT-BC430964  Lithophragma bolanderi Alice Eastwood; John Thomas Howell 1937-5-8 4334 Placer Near Auburn on road to Grass Valley Comment
  CAS-BOT-BC435607  Lithophragma glabrum A. A. Heller 1917-6-17 12684 Placer Near the Yuba river below Cisco 1676 Comment
  CAS-BOT-BC317306  Lithospermum californicum Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat. Comment
  UCD134162  Logfia gallica M. I. Wibawa 2002-5-27 260 Placer Folsom Lake State Recreation Area. 121 Comment
  SACT001437  Lolium multiflorum D. Meyer 1983-5-7 Placer Comment
  SACT001450  Lolium perenne D. Meyer 1984-6-23 Placer Along Placer-Nevada County Line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  SACT001453  Lolium perenne D. Meyer 1983-7-24 Placer Moist shady roadside. 1036.32 Comment
  RSA463218  Lonicera conjugialis J. H. Nishida 1985-7-10 789 Placer Homewood. 1829 Comment
  UC615456  Lonicera conjugialis Beryl O. Schreiber 1933-7-21 901 Placer above Homewood (near Mount Ellis Trail); Lake Tahoe Comment
  UC1125271  Lonicera involucrata var. involucrata N. French 1934-7-10 508 Placer 1 mi e Fordyce Lake; Tahoe National Forest, Truckee Quadrangle Comment
  UC15545  Lotus aboriginus H. N. Bolander Apr 1865 4617 Placer Forest Hill Comment
  SEINET5453657 Image available Lotus corniculatus E. Neese 1980-10-15 9985 Placer Gravel banks- roadside- in scrub oak community. Comment
  UC1129035  Lotus crassifolius var. crassifolius N. French 1934-5-28 373 Placer 1.5 mi w Black Mt.; Tahoe National Forest, Colfax Quad. 1767 Comment
  UCR188846  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11711 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCR218230  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16407 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  JEPS20049  Lotus incanus Leland S. Smith 1926-5-25 1859 Placer e of Michigan Bluff (below Dollar Camp); Mosquito Ridge 1219 Comment
  RSA406188  Lotus micranthus Fay A. MacFadden 1934-3-31 12423 Placer Near Monte Vista Inn. Comment
  SEINET5327442  Lotus nevadensis F. H. Hillman s.n. Placer [Sierra Nevada] between Truckee and Lake Tahoe Comment
  POM27010  Lotus oblongifolius Marcus E. Jones 1882-6-27 3282 Placer Emigrant Gap. Comment
  RSA122864  Lotus oblongifolius G. T. Nordstrom 1934-6-22 155 Placer At Mammoth Springs. 1707 Comment
  RSA293385  Lotus oblongifolius Reino Alava 1958-5-2 1994 -A Placer About four miles from auburn along the road to Nevada City. Comment
  JEPS102726  Lotus oblongifolius var. oblongifolius Lowell Ahart 2001-10-10 9356 Placer French Meadows Reservoir, about 1/4 mile NE of boat or trail access area on NW side of reservoir, about 3/4 mile SW of bridge across Middle Fork of American River, about 1 3/4 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1591 Comment
  UCR206836  Lotus pinnatus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15210 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  JEPS103490  Lotus purshianus var. purshianus Lowell Ahart 2002-7-22 9918 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
  UCR231883  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17016 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UCR240965  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19917 Placer Northern Sierra Nevada Mountains, junction of Nyack Road and I-80 in the Emigrant Gap area 1652 Comment
  RSA750434  Lotus uliginosus George K. Helmkamp, E. A. Helmkamp 2008-8-20 14024 Placer Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  RSA122898  Lotus unifoliolatus B. Bolt 1934-7-20 154 Placer Whiskey Hill. 1646 Comment
  RSA636073  Lupinus Robert M. Rhode, Barbara Nemeth 1997-6-26 167 Placer Blackwood Creek Canyon (ca 4 miles S of Tahoe City). Near Blackwood Creek Canyon Road. About 0.3 miles W of turnoff from Hwy 89. 1921 Comment
  UCD43995  Lupinus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1361 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC194800  Lupinus C. F. Sonne 1891-4-5 Placer along R.R. bet. Auburn and Newcastle; bet. Auburn and Newcastle Comment
  HSC59019  Lupinus albifrons Dan Wyrick 1975-3-29 19 Placer Near Long Point, close to Applegate 427 Comment
  SEINET5327612  Lupinus albifrons K. Klein 1976-3-13 s.n. Placer South of Auburn along the North fork of the American River. 290 Comment
  CAS-BOT-BC201561  Lupinus albifrons var. albifrons Elmer I. Applegate 1928-4-22 5362 Placer 3 miles above Auburn on the Grass Valley road Comment
  RSA11953  Lupinus albifrons var. albifrons Elmer I. Applegate 1928-4-22 5362 Placer 3 miles above Auburn on the Grass Valley road. Comment
  OBI12958  Lupinus andersonii Robert F. Hoover 1967-9-5 10834 Placer Carnelian Bay, Lake Tahoe Comment
  UC126941  Lupinus andersonii var. andersonii Mrs. M. M. Hardy 1893-1 Placer Placer Co. Comment
  HSC33455  Lupinus apertus Thomas W. Nelson, Jane P. Nelson 1974-6-17 1354 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  JEPS48702  Lupinus arbustus Leland S. Smith 1927-8-6 2158 Placer Robertson Flat Ranger Station Tahoe National Forest, Robertson Flat Ranger Station 2346 Comment
  SEINET5227668 Image available Lupinus arbustus Unknown 1909-7-16 9857 Placer Summit, Placer Co Comment
  SEINET8214803  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Summit. 2134 Comment
  UC1129501  Lupinus argenteus var. meionanthus R. C. Wilson 1934-9-20 77 Placer Granite Chief Mt.; Tahoe National Forest, Truckee Quad. 2743 Comment
  SD241010  Lupinus benthamii G. K. Helmkamp, E. A. Helmkamp 2010-4-17 15894 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area. 305 Comment
  UCR207852  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-4-22 14556 A Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  UCR208610  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14626 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  CDA27396  Lupinus benthamii unknown s.n. Placer Back of Loomis. 0 Comment
  RSA0039281  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCD107243  Lupinus bicolor G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UCR198538  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2008-4-17 13281 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCR249532  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20286 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 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
  CDA32821  Lupinus bicolor William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  RSA413734  Lupinus latifolius var. columbianus Wm. Martin 1971-9-10 20262 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UCD108413  Lupinus lepidus var. confertus L. S. Smith 1916-6 417 Placer Squaw Valley. Comment
  UC1129556  Lupinus lepidus var. lobbii B. Bolt 1934-7-12 103 Placer Snow Mountain; Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  SEINET8056244  Lupinus lepidus var. sellulus A. A. Heller 1912-7-20 10588 Placer [Sierra Nevada] Summit 2073 Comment
  RSA413787  Lupinus lyallii var. lyallii Marcus E. Jones 1930-7-10 25457 Placer Lake Tahoe Comment
  CHSC28599  Lupinus microcarpus var. densiflorus M. S. Taylor; J. T. Howell 1975-5-10 575 Placer Ca. 2 mi s of Auburn on Hwy 49, at bridge over American River, ca. 40 ft e of the bridge on n side of road. 213 Comment
  UC1129597  Lupinus microcarpus var. densiflorus N. French 1933-6-6 76 Placer near Rattlesnake Bridge; Sacramento Quadrangle Comment
  SEINET8056950  Lupinus microcarpus var. densiflorus A. Beninghoff 1930-4-19 1746 Placer Virginia Tower Comment
  UCR224244  Lupinus microcarpus var. microcarpus George K. Helmkamp, E. A. Helmkamp 2010-4-23 15906 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  CAS-BOT-BC438828  Lupinus nanus George K. Helmkamp; Mary Alice Barnes 2013-5-3 20471 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  JEPS65389  Lupinus nanus R. E. Arp 1932-4-18 1 Placer Roseville Comment
  SD237441  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15932 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  SD260247  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20484 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 miles east (92a^z) of Foresthill (Forest Hill 7.5'Q) 829 Comment
  SEINET3815513 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Foothills, northern Sierra Nevada Mountains: Finning Mill Road at the junction with Forest Hill Road 346 Comment
  UCD109016  Lupinus nanus G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10131 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  CHSC96480  Lupinus pachylobus Lowell Ahart; Brian Williams 2007-4-13 13643 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCD22085  Lupinus polyphyllus Rex Palmer 1979-7-26 N 835 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET8059977  Lupinus polyphyllus var. burkei Caldwell 1962-5-9 120 Placer 6 miles north of Auburn, Highway 40 610 Comment
  JEPS65459  Lupinus stiversii Alice King 1920-8-2 Placer Rattlesnake Bend 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
  UCD16092  Lupinus stiversii James F. Randall 1999-5-1 s. n. Placer California. Placer County: 6.5 miles from Foresthill, along Forest Hwy 96 (Mosquito Ridge Rd.). 633 Comment
  SEINET10490267  Lupinus superbus var. bernardinus L. S. Smith 1938-7-22 Smith s.n. Placer Tahoe National Forest. Squaw Valley. Comment
  CAS-BOT-BC227441  Luzula comosa George K. Helmkamp; E. A. Helmkamp 2012-5-5 18937 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  SEINET11790128  Luzula comosa Unknown 1933-1 8454 Placer Auburn Comment
  SEINET6331925  Luzula comosa J. J. Murray 1965-3-13 s.n. Placer Auburn 549 Comment
  CAS-BOT-BC436672  Luzula comosa var. laxa L. S. Smith 1927-8-12 2206 Placer Tahoe National Forest: Upper Basin, Squaw Creek 2133 Comment
  UC842058  Luzula divaricata A. A. Heller 1917-8-14 12930 Placer near the crest Mount Lincoln s Summit Valley; Mount Lincoln s of Summit Valley 2499 Comment
  CAS-BOT-BC441258  Luzula macrantha Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4010 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  UCD124886  Lycopus americanus Beecher Crampton 1953-10-6 1660 Placer north Lincoln city limit. Comment
  JEPS103428  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  SCFS1150  Madia E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  CAS-BOT-BC343773  Madia elegans W. L. Atkinson 1900-1-1 38 Placer Pyramid Peak 1219 Comment
  UCR250353  Madia elegans George K. Helmkamp, Mary Alice Barnes 2013-5-3 20489 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
  UCR194935  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12018 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  CAS-BOT-BC342836  Madia glomerata H. M. Hall 1910-6-26 8746 -A Placer Sierra Nevada Mountains. Cisco Comment
  CAS-BOT-BC342838  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  CHSC74071  Madia glomerata Susi Urie 1998-8-11 98 -003 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. Narrow meadow stringer. 2097 Comment
  UCR170793  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2005-9-30 9956 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR257630  Madia glomerata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19534 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
  UC485303  Madia glomerata Katharine Brandegee Placer Summit Comment
  CHSC114672  Madia gracilis CDFA Staff 2000-5-24 Placer Dry Creek. Comment
  UCD162512  Madia gracilis Steve Matson 1997-6-15 7 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork snow creek; north of 'big pine' meadow. 1908 Comment
  UCR250604  Madia gracilis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20495 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
  UCD139055  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer ca. 1 mile east of Baxter. Comment
  CAS-BOT-BC512087  Maianthemum racemosum subsp. amplexicaule Saichi Kawahara 1969-7-6 1462 Placer Yellow Pine Forest; ditchline, east bank of Indian Creek, Mel Henderson Ranch. 1002 Comment
  UC1613937  Malacothrix Charles M. Belshaw 1935-6-18 1004 Placer near Baxter's Hotel (between Colfax and Gold Run) Comment
  POM68320  Marah watsonii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  SEINET9345680  Marrubium vulgare Unknown 2002-5-27 267 Placer Folsom Lake State Recreation Area, CA Comment
  SEINET6166091  Marsilea vestita subsp. vestita J. T. Howell 1961-9-25 36949 Placer Feather River bed, Portolla 1478 Comment
  UCR171351  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2005-9-30 9967 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  UC73222  Medicago lupulina Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  UCR241260  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 2012-6-19 19217 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  SEINET13203265 Image available Medicago orbicularis George K. Helmkamp, Amy Barnes 2013-1 20234 Placer Eastern Sacramento Valley: NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 (Sheridan 7.5' Q.) 43 Comment
  CAS-BOT-BC269216  Melica aristata California Academy of Sciences 1870-6-10 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  SACT001472  Melica aristata D. Meyer 1983-8-20 Placer To summit of trail at first lake, steep rocky trail with some moist meadow area. 2000.0 Comment
  SEINET245350 Image available Melica aristata Beecher Crampton 1955-7-13 2983 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  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
  SACT001494  Melica californica Michael Baad 1983-5-5 Placer Junction with Shirttail Canyon Road. 1 mile south of the North Fork of the American River. 548.64 Comment
  SACT001499  Melica californica Josephine Van Ess 1977-4-27 Placer Collected near top of hill where flume crosses the road. Dry slope. 140.2 Comment
  SACT001508  Melica fugax Michael Baad 1977-6-2 Placer Mixed coniferous forest with white fir. 853.0 Comment
  UC818854  Melica fugax Alice Eastwood Jun 15 1912-Jun 19 1912 463 Placer Lake Tahoe Region Comment
  UCD87278  Melica fugax A. A. Heller 1917-6-17 12699 Placer Along the Yuba River below Cisco. 1676 Comment
  UCD87288  Melica fugax Mrs. H. P. Kelley 1915-6-15 s.n. Placer Squaw Valley. Comment
  SD247288  Melica harfordii George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20819 Placer Northern Sierra Nevada Moutains Foothills: Yankee Jim's Road, 3.6 mile northwest of its junction with Forest Hill Road (Forest Hill 7.5'Q) 768 Comment
  UCD36652  Melica harfordii Beecher Crampton 1955-6-15 2872 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  UCD36664  Melica harfordii Beecher Crampton 1955-6-15 2897 Placer Placer County, Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  UCD87386  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
  UCR249593  Melica harfordii George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20819 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  SEINET11262285  Melica torreyana George Helmkamp, E. A. Helmkamp 2012-5-5 18915 Placer Northern Sierra Nevada Mountain Foothills: Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, .3 air miles SE of Clementine Dam on the American River (Auburn 7.5').; 0 396 Comment
  UCR235612  Melica torreyana George K. Helmkamp, E. A. Helmkamp 2012-5-5 18915 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  SEINET7952650  Mentha X piperita J. Stubbs 1972-10-8 s.n. Placer 5 miles S of Auburn, beside spring along roadside. 518 Comment
  JEPS127471  Mentzelia dispersa Steve Matson 1998-6-23 301 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Snow Creek. Comment
  UC872465  Mentzelia dispersa Alice Eastwood Jun 15 1912-Jun 19 1912 683 Placer Lake Tahoe Region, Deer Park Comment
  UC108372  Mentzelia dispersa C. F. Sonne 1885-7-11 Placer Sierra Nevada, Truckee Comment
  CAS-BOT-BC428535  Micranthes aprica Brannan; Kellogg 1870-6-9 s.n. Placer Cisco Comment
  CAS-BOT-BC428681  Micranthes bryophora Richard Mc. P Brown 1961-7-6 s.n. Placer Near Sugar Bowl, Emigrant Meadow Comment
  SBBG29103  Micranthes californica C. L. Hitchcock 1940-5-7 6345 Placer ca. 1 mi W of Baxter Comment
  JEPS127553  Micranthes oregana Steve Matson 1997-7-10 92 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; west fork Snow Creek; bog at western terminus of North Ave dirt extension. Comment
  UC88372  Micropus californicus var. californicus Mrs. K. Brandegee Apr 1883 Placer Roseville Comment
  CAS-BOT-BC348682  Microseris acuminata Gordon H. True 1971-4-21 6525 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  CAS-BOT-BC348845  Microseris douglasii subsp. douglasii John Thomas Howell; Gordon H. True 1971-5-26 47634 Placer Northern limits of Lincoln 48 Comment
  JEPS126388  Microseris nutans Steve Matson 1998-6-24 302 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of west from Tiger Ave. Comment
  RSA636072  Microseris nutans Robert M. Rhode, Barbara Nemeth 1997-6-26 166 Placer Blackwood Creek Canyon (c. 4 miles south of Tahoe City), approx. 6300-6500 ft. Near Blackwood Creek Canyon Road, about 0.4 mile west of turnoff from Highway 89. 1921 Comment
  UC194718  Microseris nutans A. A. Heller 1909-7-16 Placer Summit 2133 Comment
  UCD21782  Microseris nutans Beth Lowe Corbin 1982-8-6 264 Placer 1/4 mile SW of Onion Creek campground. 1889 Comment
  CHSC72881  Microsteris gracilis L. P. Janeway; Eric Schroder 1998-7-13 5752 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  RSA122922  Microsteris gracilis subsp. gracilis N. H. French 1934-6-22 481 Placer Half mile west of Lake Van Norden. 2134 Comment
  UC193045  Mimulus angustatus C. F. Sonne 1891-6-7 Placer below Gold Run (near R.R.) Comment
  UC445119  Mimulus aurantiacus var. grandiflorus C. F. Sonne 1891-6-17 4268 Placer near Colfax (at Cape Horn) Comment
  UCR250171  Mimulus aurantiacus var. grandiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20477 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
  POM260307  Mimulus bicolor C. L. Hitchcock 1940-5-14 6398 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC885737  Mimulus breweri Alice Eastwood July 1909 232 Placer Squaw Creek Yosemite Comment
  UCD162609  Mimulus breweri Steve Matson 1998-6-23 293 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork at big pine meadow. 1920 Comment
  RSA122638  Mimulus breweri B. Bolt 1934-7-11 97 Placer Cascade Lakes, Truckee 2043 Comment
  UCR231861  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16775 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  UC1272391  Mimulus congdonii Mrs. M. E. P. Ames 1896-1 Placer Auburn Comment
  CDA16995  Mimulus guttatus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16048 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  RSA447928  Mimulus guttatus Fay A. MacFadden 1934-7-10 12774 Placer Canyon Creek. Dutch Flat. Comment
  RSA519035  Mimulus guttatus Barbara J. Ertter, David M. Thompson 1989-4-8 8173 Placer Iowa Creek Road, ca 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing. 518 Comment
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Jun 25 2013
  UC27118  Mimulus kelloggii H. N. Bolander 1865-4-10 4521 Placer Auburn Comment
  CDA41697  Mimulus leptaleus S. E. Schoenig 1998-7-23 98 -78 Placer Pacific Crest Trail. 0.25 mile south of Old Donner Road. Tahoe National Forest. Comment
  RSA434635  Mimulus lewisii Fay A. MacFadden 1934-8-10 12941 Placer Cisco. Comment
  UC27039  Mimulus lewisii C. F. Sonne 1887-8-7 Placer canyon above Coldstream; Sierra Nevada Mountains Comment
  UC65859  Mimulus lewisii P. B. Kennedy 1901-8-10 269 Placer summit Soda Springs Comment
  UC147637  Mimulus moniliformis Harriet A. Walker 1908-6-23 1231 Placer Blue Canyon 1432 Comment
  UC702887  Mimulus moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney) Lake Tahoe Comment
  UCD75960  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5222 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  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
  UCD122674  Mimulus nasutus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UC1585911  Mimulus pardalis Barbara Ertter with David Thompson 1989-4-8 8173 Placer ca. 2 mi from I-80 (Iowa Creek Rd, near entrance to Auburn State Recreation Area, at creek crossing) 518 Comment
  UC112815  Mimulus pilosus Katharine Brandegee July 1908 Placer Cape Horn Comment
  SEINET12343283  Mimulus primuloides H. A. Walker 1910-6-19 2151 Placer Donner Lake Comment
  UCD43900  Mimulus primuloides subsp. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1266 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD43901  Mimulus primuloides subsp. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1267 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  POM5092  Mimulus primuloides var. pilosellus Allen M. Carpenter 1892-08 s.n. Placer [No location data on label] Comment
  UCD162601  Mimulus primuloides var. primuloides Steve Matson 2002-7-7 559 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; meadow edge north of new pond. 1908 Comment
  UC103790  Mimulus tilingii C. F. Sonne 1895-8-1 Placer above Coldstream; Sierra Nevada Mts. 2438 Comment
  UCD40954  Mimulus torreyi Cathy Hendel 1973-6-9 132 Placer 6.3 miles on Ice House Road from Hwy 50. Comment
  UCR209587  Mimulus torreyi George K. Helmkamp, E. A. Helmkamp 2009-8-12 15425 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  SCFS5110  Mimulus torreyi F. Felix, Erica Krimmel 2013-5-19 8 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  SEINET9319360  Mimulus torreyi Unknown 2009-7-16 15196 Placer Sierra Nevada Mountains Comment
  UC465579  Minuartia californica Francis Ramaley 1917-4-13 11105 Placer Lincoln Comment
  CAS-BOT-BC174686  Minuartia cismontana G. L. Stebbins 1978-5-28 7895 Placer East end of Ralston Ridge 1554 Comment
  CDA16797  Mitella breweri G. F. Hrusa, J. Glazner 2001-7-15 15936 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2286 Comment
  CAS-BOT-BC432978  Mitella breweri Emily McPherson 1976-6-12 76- 5 -1 Placer Loch Leven Lakes 2072 Comment
  OBI39809  Monarda citriodora Joy H. Nishida 1985-7-10 776 Placer Homewood 1829 Comment
  POM126768  Monardella odoratissima subsp. glauca Helen D. Geis 1912-7-1 178 Placer Deer Park Comment
  CAS-BOT-BC222103  Monardella odoratissima subsp. pallida H. D. Ripley; R. C. Barneby 1948-7-13 98310 Placer Yuba Gap, Placer-Nevada Co. line 1828 Comment
  CAS-BOT-BC314188  Monardella odoratissima subsp. pallida H. M. Hall 1910-7-1 8731 Placer Cisco 1828 Comment
  CAS-BOT-BC318590  Monardella odoratissima subsp. pallida Geo. B. Grant 1906-7-20 7055 Placer Tahoe Tavern, Lake Tahoe Comment
  UC148981  Monardella odoratissima subsp. pallida H. M. Hall July 1, 1910 8731 Placer Cisco Sierra Nevada Mountains 1828 Comment
  CAS-BOT-BC222104  Monardella odoratissima subsp. pallida Mary P. Wells 1980-9-11 s.n. Placer Alpine Meadows by Bear Creek, opposite stable 1950 Comment
  RSA0017405  Monardella odoratissima subsp. pallida Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  SEINET10582096  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 271 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  CAS-BOT-BC220475  Monardella sheltonii G. 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
  CHSC73979  Montia chamissoi Susie Urie 1998-8-11 98 -017 Placer Lake Tahoe Basin. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  POM101955  Montia fontana Marcus E. Jones 1882-6-27 3279 Placer Emigrant Gap. Comment
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Sep 7 2010
  POM101988  Montia parvifolia Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap Comment
  SACT001586  Muhlenbergia filiformis D. Meyer 1984-7-15 Placer At edge of Serene Lake. 1909.0 Comment
  SACT001588  Muhlenbergia filiformis Michael Baad 1976-6-10 Placer Near trail to Robinson Flat 1737.0 Comment
  UCD42869  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 236 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43194  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 563 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC275335  Muhlenbergia jonesii G. L. Stebbins 1977-7-9 7767 Placer Along trail from McKinistry Lake to Rubicon River 1706 Comment
  OBI20096  Muhlenbergia richardsonis David J. Keil 1978-7-23 12935 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UCD139283  Muilla maritima G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12048 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  JEPS127527  Myosurus apetalus var. montanus Steve Matson 1998-6-6 218 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, south side of Highway 267, under power lines. Comment
  CDA38167  Myriophyllum sibiricum G. D. Barbe 1977-7-2 2287 Placer Day Use Area, Martis Creek Lake, south of Truckee Airport. Comment
  SD243157  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16641 Placer Northern Sierra Nevada Mountains: Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road. 1566 Comment
  JEPS127455  Navarretia breweri Steve Matson 1998-6-14 228 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, at base of highway rampart, just west of Martis Creek. Comment
  UCD75706  Navarretia capillaris Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5156 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, sides of trail. 2124 Comment
  CHSC82649  Navarretia divaricata subsp. divaricata Lowell Ahart 2002-7-22 9896 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
  JEPS111177  Navarretia divaricata subsp. divaricata Steve Matson 2005-7-4 1363 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; near trailhead. 39.2923 N, 120.1291 W. Elevation 5,900 ft. 1798 Comment
  JEPS70343  Navarretia intertexta W. H. Shockley 1886-6-1 Placer Auburn Comment
  JEPS103313  Navarretia intertexta subsp. intertexta Lowell Ahart 2002-7-22 9895 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
  JEPS127514  Navarretia intertexta subsp. propinqua Steve Matson 1997-6-15 14 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  SEINET14058121  Navarretia intertexta subsp. propinqua F. H. Hillman s. n. Placer Between Truckee and Lake Tahoe Comment
  UCR146870  Navarretia jepsonii Beecher Crampton 1977-7-2 9511 Placer Sierra Nevada Foothills, 3.5 miles northeast of Auburn, east of Elder's Corner on Dry Creek Road 412 Comment
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Sep 20 2018
  POM145543  Navarretia leptalea J. B. Feudge 1927-7-19 1748 Placer Emigrant Gap. 1524 Comment
  SCFS11529178  Navarretia leptalea E. Krimmel 2013-6-13 Placer NFAm. Cedars full trail. S. side top. Comment
  UCD22106  Navarretia leptalea Rex Palmer 1979-6-19 N 212 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM127678  Navarretia leptalea R. L. Pendleton, F. M. Reed 1907-7-25 1221 Placer Lake Tahoe Region: Road near Lily Lake 2012 Comment
  RSA470066  Navarretia leptalea Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UC1123763  Navarretia leptalea subsp. bicolor B. Bolt 1934-7-12 112 Placer Devil's Peak Tahoe National Forest, Truckee Quad. 2042 Comment
  UC726813  Navarretia leptalea subsp. leptalea A. A. Heller 1919-7-24 13292 Placer near Cisco; near Cisco Comment
  UC880051  Navarretia leptalea subsp. leptalea Lewis S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  UCD34170  Navarretia pubescens Beecher Crampton 1977-7-2 9511 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  UCSB28392  Navarretia tagetina Hardham, Clare 1974-5-20 Placer Outskirts of Lincoln; (tile factory) Rt. 65 Comment
  UC112909  Nemacladus capillaris Katharine Brandegee 1908-7-18 Placer Cape Horn Comment
  UCR235597  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2012-5-5 18920 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  RSA537465  Nemophila heterophylla Barbara Ertter, David M. Thompson 1989-4-9 8193 Placer halfway down road to Lake Clementine (N Fork Lake) NE of Auburn. 305 Comment
  UC24195  Nemophila maculata H. N. Bolander 1865-4-13 4566 Placer New Castle Comment
  SEINET5520990  Nemophila maculata A. Beninghoff, C. Petterson 2682 Placer 5 miles west Lincoln Comment
  UCD119576  Nemophila maculata Barbara L. Hanson 1961-3-30 20 Placer Lee Mine Road, 4 miles east of Sacramento -- Roseville -- Auburn freeway. Comment
  SFV11583  Nemophila menziesii M. L. Vincent 1965-4-11 608 Placer 1 mile north of Marysville on Highway 99E. Roadside. 20 Comment
  UCD120233  Nemophila menziesii M. Vincent 1965-4-11 608 Placer 1 mile N. of Marysville on Hwy. 99 E. Comment
  UC1021938  Nemophila menziesii Rolf Y. Berg 1954-4-15 Placer Auburn-Folsom Road eight mi s Auburn; s of Auburn Comment
  SEINET6744641 Image available Nemophila parviflora Marcus E. Jones 1882-1 2816 Placer Emigrant Gap, California Comment
  UCD119925  Nemophila parviflora Terri Williamson 1990-4-15 6 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  UCR222894  Nemophila pulchella var. fremontii George K. Helmkamp, E. A. Helmkamp 2010-4-17 15901 Placer Sierra Nevada Mountains Foothills, along CA-49, 2.5 miles southeast of Pilot Hill 271 Comment
  JEPS127465  Nemophila spatulata Steve Matson 2003-6-15 799 Placer nSNH; Tahoe Basin; Kings Beach/Tahoe Vista; Snow Creek Watershed. Comment
  UC24194  Nemophila spatulata C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  CDA15946  Nothocalais alpestris G. F. Hrusa, J. Glazner 1999-7-17 15154 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC349912  Nothocalais alpestris L. S. Smith 1928-6-28 2422 Placer Tahoe National Forest. Miller Lake Range 2042 Comment
  UCD160081  Orobanche fasciculata Sue Nichol 2015-4-30 s.n. Placer Along Foresthill Rd. between town of Foresthill and Foresthill Bridge. Just E of Butcher Ranch Rd.: near mailbox 17010 and Forest Service gate 124. Northwest side of the road. 551 Comment
  RSA0068982  Orobanche uniflora subsp. occidentalis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap Comment
  JEPS72698  Orogenia fusiformis Gladys L. Smith and Betsy Smith June 1971 3037 Placer 5 mi. w. Lake Tahoe (Alpine Meadows, foot of Ward Peak); Ward Peak, Alpine Meadows 2438 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
  POM260000  Orthocarpus lacerus C. Leo Hitchcock 1940-5-14 6387 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  RSA407999  Orthocarpus pusillus Fay A. MacFadden 1934-3-31 12460 Placer Dutch Flat Comment
  RSA790860  Osmorhiza George K. Helmkamp, E. Helmkamp 2012-5-11 18947 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  UCR235385  Osmorhiza George K. Helmkamp, E. A. Helmkamp 2012-5-11 18947 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  UC145579  Osmorhiza berteroi Harriet A. Walker 1908-6-23 1214 Placer Blue Canyon 1432 Comment
  UCD21670  Osmorhiza berteroi Beth Lowe Corbin 1982-8-6 271 Placer About 1/3 mile west of Onion Creek campground. In rocky, fine, sandy soil about 10 yards freom stream. Partial sun. South facing slope, 30% incline. Uncommon. 1920 Comment
  UCD43019  Osmorhiza berteroi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 388 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD162548  Osmorhiza occidentalis Steve Matson 2006-7-7 1640 Placer nSNH; Tahoe west shore; Ward Creek watershed, near Tahoe City. Near Page Meadows on access road from Chamoix road. 2072 Comment
  SJSU10635  Oxyria digyna R. L. Fisher 1959-8-16 Placer Anderson Peak 2670 Comment
  CAS-BOT-BC10504  Paeonia brownii Alice Eastwood 1909-1-1 55 Placer Sunnyside, Lake Tahoe Region. Comment
  UCD22103  Paeonia brownii Rex Palmer 1979-6-20 N 347 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC81854  Panicum capillare Lowell Ahart 2001-10-10 9342 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about a 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  SACT001653  Panicum pacificum Josephine Van Ess 1980-7-8 Placer Collected at Highway 49 bridge over American River. Wet rocky area. Comment
  JEPS113293  Parentucellia viscosa L. P. Janeway 2006-5-10 8593 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. Comment
  POM142851  Parnassia fimbriata Allen M. Carpenter 1892-1 s.n. Placer [Unspecified] Comment
  UCD88733  Paspalum dilatatum Beecher Crampton 1965-9-13 7496 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UC791002  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mi n Lincoln Comment
  UCD88897  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln. Comment
  RSA0030825  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln. Comment
  CAS-BOT-BC258772  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  SD4772  Pedicularis attollens C. F. Sonne Aug 1897 Placer Above Coldstream Comment
  UC1293799  Pedicularis racemosa E. F. Sprague 1957-7-14 1600 Placer up slope behind Rainbow Tavern (and to e end of road, Hwy 40) 1828 Comment
  CDA16808  Pedicularis semibarbata G. F. Hrusa, J. Glazner 2001-7-15 15947 Placer Sierra Nevada; near summit of Crows Nest Pk. immed. W of Sugarbowl. 2316 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
  UC41748  Pedicularis semibarbata C. J. Fox Jr. July, 1895 Placer near Squaw Valley Comment
  SEINET7719334  Pedicularis semibarbata Unknown 1888-6-30 Placer Summit Soda Comment
  SEINET10929437  Pellaea bridgesii G. B. Grant 1906-8-1 Grant UMO 31180 Placer Collected at Lake Tahoe, Sierra Nevada Mts. 2 Comment
  UCR208583  Pellaea mucronata George K. Helmkamp, E. A. Helmkamp 2009-5-7 14625 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  OBI20170  Penstemon azureus David J. Keil 1978-7-23 12930 Placer Cisco Grove exit from I-80, just E of Nevada Co line; around So fork of Yuba River 1768 Comment
  UCR209724  Penstemon azureus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15444 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  RSA0093629  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19208 Placer Northern Sierra Nevada Mountains Foothills. Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road. 820 Comment
  UC103094  Penstemon azureus var. azureus C. F. Sonne July 1889 Placer <?> Donner Lake (Strongs Canyon C.P.R.R.); Sierra Nevada, above Donner Lake, Strongs Canyon C.P.R.R. Comment
  UC128134  Penstemon azureus var. azureus Miss Harriet A. Walker 1908-7-26 1436 Placer Cisco 1828 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
  UCD75817  Penstemon azureus var. azureus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5169 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
  UCR257734  Penstemon azureus var. azureus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19516 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  NY571177  Penstemon azureus var. azureus D. C. Michener 1981-7-16 4010 Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  JEPS72216  Penstemon deustus var. pedicellatus Gladys L. Smith 1972-6-20 3242 Placer steep slope just below Ward Peak summit; just below Ward Peak summit 2628 Comment
  JEPS111299  Penstemon gracilentus Steve Matson 2005-8-7 1455 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
  POM11471  Penstemon gracilentus Katherine Brandegee 1910-07 s.n. Placer Emigrant Gap. Comment
  UCD162564  Penstemon heterodoxus var. cephalophorus Steve Matson 2004-7-31 1074 Placer nSNH; Tahoe Basin; Blackwood Canyon (west shore), about 1 mile ESE of Barker Pass. 2407 Comment
  CAS-BOT-BC264487  Penstemon heterodoxus var. heterodoxus Betty J. Jorgensen 1944-7-23 532 Placer Near Soda Springs Comment
  UC1063370  Penstemon heterodoxus var. heterodoxus H. S. Yates 1934-6-29 3881 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  JEPS7572  Penstemon heterophyllus var. purdyi W. H. Shockley Jun 1886 15 Placer Auburn Comment
  UC54986  Penstemon heterophyllus var. purdyi C. F. Sonne 1891-5-17 15 Placer below Auburn; Sierra Nevada Mountains, below Auburn Comment
  UCD83647  Penstemon laetus Albert Grigarick 2009-9-10 200 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  POM114616  Penstemon laetus var. laetus Ralph Hoffmann 1927-7-17 s.n. Placer Pinos. Comment
  UCD123928  Penstemon neotericus D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. Mesic white fir forests. 1500 Comment
  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
  UCR229563  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2011-7-26 17861 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
  CHSC74003  Penstemon rydbergii var. oreocharis Susi Urie 1998-9-1 98 -198 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74277  Penstemon rydbergii var. oreocharis Susi Urie 1998-9-4 98 -247 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 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
  NY651261  Penstemon rydbergii var. oreocharis L. S. Rose 1940-6-2 40460 Placer Truckee River, 10 miles north of Tahoe City 1828.8 Comment
  UCD162579  Penstemon rydbergii var. oreocharis Steve Matson 2003-6-22 811 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork south of bog. 1920 Comment
  JEPS59361  Penstemon speciosus Ezra Brainerd and Viola B. Baird 1915-7-23 111 Placer Tahoe City Sierra Nevada Mts., Tahoe City 1920 Comment
  RSA401883  Penstemon speciosus Bonnie C. Templeton 1931-7-5 1510 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  POM283518  Penstemon speciosus Lyman D. Benson 1932-7-31 4018 Placer 2 mi N Tahoe Tavern. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  RSA437415  Penstemon speciosus Robert F. Thorne, J. Chandler 1987-6-26 5424 Placer CA Hwy 267, 3.2 mi S of Brockway Summit. Comment
  SCFS1239  Penstemon speciosus E. Krimmel 2013-6-29 Placer North Fork American River, Painted Rock Trail, S. side top meadow Comment
  UCD21671  Perideridia bolanderi Beth Lowe Corbin 1982-8-4 221 Placer 1/4 mile NW of Onion Creek campground. Flowers whitish cream. Bulb about 3-4 inches below ground. In rocky, fine, sandy soil. Full sun. SW facing slope, 15% incline. Locally abundant. 1950 Comment
  SEINET11153843  Perideridia gairdneri subsp. borealis L. R. Miller 1933-8-27 2492 Placer Long Lake. Comment
  CHSC73913  Perideridia lemmonii Susi Urie 1998-9-1 98 -175 Placer Below Hwy 28, between the highway and lake Forest Road; about 0.3 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  SD7874  Persicaria amphibia Daniel Cleveland Aug 1873 Placer Truckee R., near Lake Tahoe Comment
  UC1563726  Petrorhagia dubia Barbara Ertter with David Thompson 1989-4-8 8158 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  SEINET12558102 Image available Petrorhagia dubia Barbara Ertter, David Thompson 1989-1 8187 Placer Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., on NW side of road, ca 8 airmiles NE of Auburn 610 Comment
  SEINET6744642 Image available Phacelia circinata Marcus E. Jones 1882-1 2813 Placer Emigrant Gap, California Comment
  CDA15990  Phacelia hastata subsp. hastata G. F. Hrusa, J. Glazner 1999-7-17 15184 e Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SD243160  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16655 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  SD243161  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16662 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  SD44659  Phacelia imbricata Darley F. Howe 1951-5-1 2102 Placer 456 Comment
  UC660091  Phacelia marcescens G. L. Stebbins Jr. 1940-6-9 3036 Placer 1 mi w Cisco; South Fork Yuba River Comment
  POM65397  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer Cisco. 1804 Comment
  SEINET8472437  Phacelia racemosa D. W. Taylor 2004-1 19162 Placer Canyon of South Yuba River; 2 air miles W of Kingvale on I-80. along logging road from the highway to Catfish Lake just at the Nevada County line. 2088 Comment
  CDA38742  Phalaris arundinacea R. Robison 2011-8-19 Placer Tahoe City; Gatekeeper s Museum, adjacent to dam near Truckee River outflow. 0 Comment
  SACT001699  Phalaris arundinacea D. Meyer 1984-7-21 Placer Near golf course. 2000.0 Comment
  SEINET4691147  Phalaris arundinacea W. D. Billings 1951-7-15 2125 Placer Truckee River near Rampart, 2 miles west of Tahoe City 1859 Comment
  CDA36452  Phalaris arundinacea var. picta R. Robison 2011-8-19 Placer Lake Tahoe; Sugar Pine Point State Park, along General Creek, downstream from historic icehouse. 0 Comment
  SACT001704  Phalaris lemmonii D. Meyer 1984-4-15 Placer Roadside appears to have been a vernal pool. Dry. 36.97 Comment
  SACT001709  Phalaris lemmonii D. Meyer 1983-5-15 Placer Field at Southeast corner. 36.6 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
  SACT001725  Phalaris paradoxa Josephine Van Ess 1978-6-27 Placer Collected north of big pond in open field about 1 mile east of east end of Annabelle Ave. Low wet area in open field. 103.0 Comment
  SEINET5732662 Image available Philadelphus californicus Thomas G. Stewart 1973-1 37 Placer On Mosquito Ridge Road, 1.7 miles from its junction with Foresthill Road, east of Interstate 80. 1524 Comment
  UC11451  Philadelphus lewisii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD132716  Philadelphus lewisii Ramona Robison 2012-6-21 s.n. Placer Auburn State Recreation Area, along banks of Lake Clementine. 219 Comment
  CHSC74048  Phleum alpinum Susi Urie 1998-8-25 98 096 B Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SACT001735  Phleum alpinum Michael Baad 1976-7-21 Placer Lower southwest-facing slopes of Lyon Peak. 10 miles southeast of Soda Springs. 2377.0 Comment
  SACT001749  Phleum pratense D. Meyer 1983-9-10 Placer Near parking lot, moist streambank and meadow. 1879.0 Comment
  JEPS71322  Phlox gracilis Gladys L. Smith 1972-6-18 3157 b Placer below Scott Peak; Alpine Meadows 2072 Comment
  CAS-BOT-BC60615  Phoenicaulis cheiranthoides Alice Eastwood 1912-6-15 367 Placer Lake Tahoe Region. Deer Park. Comment
  UC10402  Phoenicaulis cheiranthoides C. F. Sonne June 1887 Placer Truckee River; Sierra Nevada Mountains, Truckee River Comment
  UCD75738  Phoenicaulis cheiranthoides Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5201 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  JEPS102476  Phoradendron densum Lowell Ahart 2001-10-10 9336 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
  CDA39028  Phoradendron juniperinum D. G. Kelch 2011-10-3 11 .827 Placer Tahoe City. Granlibakken Resort. Comment
  CHSC43532  Phyllodoce breweri Lowell Ahart 1963-7-2 9 Placer Mountainside about 1/10 mile south-west of Robinson flat, about 24 miles north-east of Foresthill. 1828 Comment
  UCD73854  Pinus attenuata Sue Nichol 2008-5-28 s. n. Placer Along Hwy 80. Southwest of Gold Run, on Magra Road northeast of Secret Town Road exit. Between Magra Road and the highway. 905 Comment
  CAS-BOT-BC78462  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit [valley] Valley 2118 Comment
  HSC1502  Pinus jeffreyi R. A. Magie 1964-6-12 104 Placer Turn off Hwy. 20 6 mi. W of Hwy. 40 junction, 12 mi. towards Lindsay Lake, Bulk Collection 42 1982 Comment
  UC1134121  Pinus jeffreyi R. W. Lundh 1933-4-26 233 Placer 3 mi s Signal Peak; Colfax Quadrangle Comment
  UC1134045  Pinus monticola R. W. Lundh 1933-4-26 240 Placer 3 mi e of Cisco; Tahoe National Forest, Truckee Quadrangle 1828 Comment
  UC1819259  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  JEPS24552  Pinus ponderosa M. B. Pratt 1936-3-3 Placer e of Sacramento (on grounds of Weimer Sanitarium); Sierra Nevada, Weimar, Weimer Sanitarium Comment
  NY951541  Pinus ponderosa var. ponderosa D. H. Goldman 2004-12-24 3007 Placer "Mosquito Narrows," Mosquito Ridge, just N of Mosquito Ridge Road (Forest Road 96), just E of the intersection with a dirt road going to the NW, about 5.9 miles from the parking lot at the Placer County Big Tree Reserve and about 18.9 miles E of the 1289 Comment
  NY42681  Pinus sabiniana J. B. Walker 1994-8-19 932 Placer 1km S of Weimar, at offramp of I-80 320 Comment
  RSA758238  Pinus sabiniana Doug Goldman 2004-12-24 3010 Placer Along Mosquito Ridge Road, 1.7 miles east of the intersection of Road 96 and Forest Hill Road in Forest Hill. 878 Comment
  UCR233013  Plagiobothrys George K. Helmkamp, E. A. Helmkamp 2011-5-12 17254 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  JEPS126365  Plagiobothrys cognatus Steve Matson 1998-6-27 316 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south south east of junction of Highway 267 and Martis Creek. Comment
  JEPS60951  Plagiobothrys cusickii W. H. Shockley June 1882 322 Placer Soda Springs; summit Comment
  CAS-BOT-BC230943  Plagiobothrys hispidulus John Thomas Howell 1943-7-22 18712 Placer Summit Valley Comment
  CAS-BOT-BC230951  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 445 Placer Lake Tahoe Region. Tahoe City Comment
  UC1026510  Plagiobothrys hispidulus Alice Eastwood Jun 15 1912-Jun 19 1912 444 Placer Tahoe City Lake Tahoe Region Comment
  UCR121489  Plagiobothrys hispidulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 C Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC230944  Plagiobothrys hispidulus Le Roy Abrams 1911-7-27 4770 Placer Lake Tahoe Region. Lake Valley 1950 Comment
  CDA36908  Plagiobothrys nothofulvus CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  UCSB5648  Plagiobothrys stipitatus Constance, Lincoln 1941-5-28 Placer Two miles north of Lincoln, Sacramento Valley 60 Comment
  SBBG89119  Plagiobothrys stipitatus var. micranthus C. B. Wolf 1937-5-12 8622 Placer 1 mi N of Lincoln 45 Comment
  UCR258241  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20241 A Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  SD244107  Plagiobothrys stipitatus var. stipitatus George K Helmkamp, E. A. Helmkamp 2011-5-12 17257 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mile west of Industrial Ave. (Roseville 7.5'Q) 41 Comment
  UCR233012  Plagiobothrys stipitatus var. stipitatus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17257 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
  JEPS22923  Plantago lanceolata S. Galen Smith 1959-7-22 3152 Placer above Greyhound Station; Auburn Comment
  CHSC82581  Plantago major Lowell Ahart 2002-7-22 9892 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
  UCD43338  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 706 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44533  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1899 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR231817  Platanthera dilatata var. leucostachys George K. Helmkamp, E. A. Helmkamp 2010-8-14 16793 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
  RSA382901  Platanthera leucostachys Fay A. MacFadden 1934-7-2 12560 Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  POM196060  Platanthera leucostachys G. W. Fetters 1929-7-10 s.n. Placer Near Pomins [Tahoe Hot Tubs], Lake Tahoe Comment
  UC197330  Platanthera leucostachys C. F. Sonne Aug 1897 Placer Truckee Sierra Nevada Mountains, Truckee Comment
  CAS-BOT-BC516756  Plectritis macrocera George K. Helmkamp; Mary Alice Barnes 2013-4-18 20337 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
  UCD161031  Poa G. Ledyard Stebbins 1977-7-1 7736 Placer Above Middle Fork American River near Last Chance. (Exact location unknown. Coordinates estimated by label maker.) 1341 Comment
  SACT001777  Poa annua D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  SACT001784  Poa annua D. Meyer 1984-4-15 Placer 36.97 Comment
  SACT001802  Poa bolanderi James Grove 1977-7-15 Placer 2000.0 Comment
  SACT001805  Poa bolanderi D. Meyer 1983-8-20 Placer To summit of first lake, steep ricky trail with some moist meadow areas. 2000.0 Comment
  UCD90549  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer north of Summit hotel. 2164 Comment
  SACT001817  Poa bulbosa D. Meyer 1984-8-17 Placer Off I80 westbound, 4.8 km west of Blue Canyon. 1584.96 Comment
  UCR208266  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14647 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  UCR208591  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14662 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
  SACT001824  Poa canbyi Michael Baad 1983-6-27 Placer 1570.6 Comment
  UCD90845  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Blue Canyon. 1432 Comment
  CAS-BOT-BC255051  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Along the railroad at Blue Canyon 1432 Comment
  SACT001842  Poa fendleriana Michael Baad 1983-9-3 Placer On saddle to Mount Lincoln to summit of Mount Lincoln 2529.0 Comment
  SACT001845  Poa gracillima Michael Baad 1983-8-21 Placer On road to lakes 3.8 km southwest of Soda Springs exit off of I80. 2019.0 Comment
  SACT001897  Poa palustris D. Meyer 1983-8-7 Placer 3 km north of Fanny Brodge, Tahoe City along Truckee River east bank. 1879.0 Comment
  CAS-BOT-BC247376  Poa pratensis A. A. Beetle 1941-5-26 2717 Placer Near Cisco 914 Comment
  CDA15954  Poa pratensis G. F. Hrusa, J. Glazner 1999-7-17 15140 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SACT001919  Poa pratensis D. Meyer 1983-8-7 Placer Near gate into ski area parking lot moist meadow with many sedges. 207.0 Comment
  SACT001927  Poa pratensis D. Meyer 1984-7-21 Placer Moist roadside ditch and pine wooded area dense shade. 1927.0 Comment
  SACT001950  Poa pratensis D. Meyer 1984-6-21 Placer 5.1 km from Fanny Bridge Tahoe City along river bank of Truckee River and shaded bike trail. 1828.0 Comment
  SACT001953  Poa pratensis D. Meyer 1983-6-25 Placer 1418.0 Comment
  CDA15972  Poa pratensis subsp. pratensis G. F. Hrusa, J. Glazner 1999-7-17 15124 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SACT001972  Poa scabrella Michael Baad 1976-6-10 Placer Along creek near trail to Robinson Flat. 1737.0 Comment
  SACT001975  Poa scabrella Michael Baad 1983-7-11 Placer Six Mile Road 9.6 km south of Yuba Gap open rocky slope northeast of Lake Valley Reservoir, granite feldspar substrate 1758.0 Comment
  CAS-BOT-BC242956  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer Ridge NW of Donner Pass below a ledge of igneous rock 2377 Comment
  UC711004  Poa secunda subsp. secunda C. L. Hitchcock 1940-5-7 6341 Placer ca 1 mi w Baxter Comment
  UCD91623  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Along the Lincoln Highway about a mile above Emigrant Gap. Comment
  POM112949  Poa sierrae Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  SACT002016  Poa trivialis D. Meyer 1984-6-10 Placer 3.26 km southwest of Colfax, steep shady cliff along slow moving stream. 606.0 Comment
  UCD92110  Poa trivialis R. Tofsrud 1950-6-9 s.n. Placer ca. 4 mi. E of Colfax on Hwy. 40. 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
  SEINET13947029 Image available Pogogyne zizyphoroides W. A. Weber, Lewis S. Rose 1953-1 8392 Placer Depressions in rolling hills 5 miles N of Roseville on road to Lincoln, 160 ft alt 49 Comment
  UC882679  Polemonium occidentale Alice Eastwood 1909-1 61 Placer Sunnyside Lake Tahoe Region, Sunnyside Comment
  CAS-BOT-BC170302  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax Comment
  JEPS59369  Polygonum amphibium var. stipulaceum Ezra Brainerd and Viola B. Baird 1915-7-23 118 Placer pool near Lake Tahoe; Green Pt. 1920 Comment
  CAS-BOT-BC414392  Polygonum californicum Mrs. H. P. Bracelin 1930-10-12 97 Placer 5 miles N. of Placerville. On road to Coloma Comment
  UC1334172  Polygonum californicum Thomas Morley 1946-9-28 817 Placer 1 1/2 mi nne Alta (near electric pole line) 1188 Comment
  JEPS111302  Polygonum davisiae Steve Matson 2005-7-30 1419 Placer Squaw Valley ski area, 1 km WSW of High Camp (top of tramway): 39.1937 N, 120.2647 W; elevation 8,100 ft. 2468 Comment
  JEPS59370  Polygonum davisiae Ezra Brainerd and Viola B. Baird 1915-7-15 119 Placer Five Lakes Sierra Nevada 2298 Comment
  RSA531307  Polygonum davisiae Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4548 Placer Squaw Valley beyond upper cable car station Comment
  UC6687  Polygonum davisiae C. F. Sonne 1886-7-18 Placer Truckee River; mt. on Comment
  CAS-BOT-BC414542  Polygonum douglasii Peter Rubtzoff; Edward W. Colson 1976-7-6 8722 Placer Lake Van Norden 2063 Comment
  UC849976  Polygonum douglasii subsp. douglasii A. A. Heller 1916-8-13 12910 Placer Summit hotel 2133 Comment
  JEPS102568  Polygonum lapathifolium Lowell Ahart 2001-10-10 9364 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  CAS-BOT-BC418582  Polygonum minimum Alice Eastwood 1909-1-1 236 Placer Lake Tahoe Region. Squaw Creek Comment
  UCD21930  Polygonum minimum Beth Lowe Corbin 1982-8-16 352 Placer 1/2 mile NW of Onion Creek campground. In loose, rocky outcrop in montane chaparral. Calyx white. Stems reddish. Full sun. SE facing slope, 30% incline. Locally common. 2042 Comment
  UC849102  Polygonum phytolaccifolium A. A. Heller 1917-8-14 12934 Placer s Summit Valley; Mt. Lincoln 2438 Comment
  UCR209747  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2009-8-12 15440 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  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-BC420037  Polygonum polygaloides subsp. kelloggii John H. Thomas; Hazelle A. Thomas 1956-7-21 6180 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  JEPS126278  Polygonum polygaloides subsp. kelloggii Steve Matson 2002-7-14 570 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267; just west of Northstar Golf Course. Comment
  UCR258207  Polygonum punctatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20049 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
  RSA689952  Polypodium californicum Elizabeth Flint 1930-1 100 Placer Near Penryn 213 Comment
  RSA689953  Polypodium californicum Elizabeth Flint 1930-1 103 Placer Near Penryn 244 Comment
  CAS-BOT-BC444012  Polypodium calirhiza George K. Helmkamp; Mary Alice Barnes 2013-4-18 20372 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. 165 Comment
  SEINET3440030 Image available Polypodium hesperium George K. Helmkamp, E. A. Helmkamp 2012-5-5 18924 Placer Northern Sierra Nevada Mountains Foothills: Lake Clementine Road, 1.2 mi W of its junction with Foresthill Road, 0.3 air mi SE of Clementine Dam on the American River 396 Comment
  SACT001570  Polypogon australis Michael Baad 1977-6-9 Placer at junction of Middle Fork of American River and Rubicon River 365.76 Comment
  SACT001573  Polypogon australis D. Meyer 1983-7-16 Placer 1212.0 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
  SACT002021  Polypogon maritimus Josephine Van Ess 1976-7-8 Placer Collected .25 mile north of Roseville waterworks. Moist ditch. Comment
  SACT002020  Polypogon maritimus Josephine Van Ess 1976-8-18 Placer Collected on Ferrari Ranch .25 mile east of Highway 193 and 1.15 miles south in pasture land. Moist area around ditch, south of salt spring. Comment
  SACT002031  Polypogon monspeliensis Michael Baad 1977-6-9 Placer Collected at junction of Middle Fork of American River and Rubicon River 365.76 Comment
  RSA654886  Polypogon monspeliensis Steven Coyne 1999-5-10 10846699 c Placer Along 'Keys Creek', east of Fwy and S of Hwy 76. Comment
Read comments
Jul 14 2015
  JEPS14358  Polystichum imbricans subsp. imbricans Rimo Bacigalupi, et al. 1952-7-19 3854 Placer below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd.); N Fork American River 381 Comment
  SEINET9365631  Populus balsamifera Unknown 1961-9-27 6016 Placer 1 mi W of Cisco Grove. Banks of a stream. Comment
  SBBG117235  Populus tremuloides B. Crampton 1961-9-27 6002 Placer US Hwy 40, 1 mi W of Cisco Grove, Yuba River Comment
  UCD110729  Populus trichocarpa G. L. Stebbins Jr. 1942-9-1 3341 Placer Bank of Yuba River, on U.S. Highway 40, 1 1/2 miles west of Cisco. 1706 Comment
  POM296430  Potamogeton gramineus Lyman Benson 1932-7-31 4013 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  CAS-BOT-BC453744  Potamogeton natans W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  UC370  Potamogeton natans A. M. Carpenter 1893-8 Placer Comment
  JEPS127452  Potentilla flabellifolia Steve Matson 2004-8-1 1091 Placer Tahoe Basin west shore; Blackwood Canyon; 1/2 mile SE of Barker Pass. 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
  CHSC79564  Potentilla glandulosa subsp. reflexa G. F. Hrusa; J. Glazner 1999-7-18 15220 Placer Northern California. The Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Above Squaw Creek just above Hwy 89 bridge. 1889 Comment
  CAS-BOT-BC141634  Potentilla gracilis var. elmeri Alice Eastwood 1909-1-1 217 Placer Sunnyside Comment
  CHSC73990  Potentilla gracilis var. fastigiata Susi Urie 1998-8-11 98 -015 Placer Lake Tahoe Basin. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  RSA258879  Potentilla gracilis var. fastigiata Thomas W. Nelson, James Nelson 1974-6-17 1375 Placer Dollar point overlooking Lake Tahoe N of Tahoe City. 1585 Comment
  CAS-BOT-BC540400  Potentilla gracilis var. fastigiata Peter Rubtzoff; Edward W. Colson 1976-7-7 8731 Placer Sierra Nevada, E side of Lake Van Norden 2063 Comment
  JEPS59374  Potentilla gracilis var. fastigiata Ezra Brainerd and Viola B. Baird 1915-7-10 122 Placer roadside Deer Park Sierra Nevada, Deer Park 1889 Comment
  SEINET6637148  Potentilla gracilis var. fastigiata M. J. Williams 1985-7-6 85- 61 -2 Placer [Sierra Nevada] Near old Donner Summit, south of Lake Mary Comment
  SEINET6637688  Potentilla gracilis var. fastigiata P. Lehenbauer 1932-6-26 s.n. Placer Near Tahoe City Comment
  UC14226  Potentilla gracilis var. fastigiata Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe, Cascade Comment
  CAS-BOT-BC64620  Primula suffrutescens Alice Eastwood 1909-1-1 307 Placer Wards Pass, between Ward Peak and Twin Peak; Deer Park, Lake Tahoe Region. Comment
  JEPS126283  Primula suffrutescens Steve Matson 2004-7-31 1073 Placer nSNH; Tahoe Basin; west shore, Blackwood Canyon; about 1.4 miles ESE of Barker Pass. Comment
  JEPS72484  Primula suffrutescens Gladys L. Smith 1972-8-25 3426 Placer n face Granite Chief; n face of Granite Chief 2621 Comment
  SEINET8565301  Primula suffrutescens W. D. Billings 1950-7-30 1914 Placer Sierra Nevada, NE side of Squaw Peak. 2560 Comment
  UCR260067  Prunella vulgaris var. lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22418 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  CAS-BOT-BC163053  Prunus emarginata Carl B. Wolf 1930-10-11 988 Placer 4 miles west of Emigrant Gap 1524 Comment
  CAS-BOT-BC163054  Prunus emarginata Carl B. Wolf 1930-10-11 988 Placer 4 miles west of Emigrant Gap 1524 Comment
  HSC82944  Prunus emarginata George Oldfield 1985-8-12 Placer Sierra Nevada Mtns. along I-80 near Blue Canyon, 30-35 mi. NE of Aubrun 1555 Comment
  JEPS127446  Prunus emarginata Steve Matson 1998-6-24 287 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UCD22280  Prunus emarginata Rex Palmer 1979-6-9 N 152 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  UCD22281  Prunus emarginata Rex Palmer 1979-5-26 N 13 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  JEPS127550  Prunus virginiana subsp. demissa Steve Matson 1998-6-15 272 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, along east Martis Creek. Comment
  CAS-BOT-BC460479  Pterospora andromedea Elizabeth Parsons Hawver 1911-8-23 s.n. Placer Lake Tahoe Region: Page Meadow woods Comment
  CAS-BOT-BC460525  Pterospora andromedea Ira L. Wiggins 1933-8-21 6785 Placer Shores of Lake Tahoe, near Tahoma Comment
  POM82025  Pteryxia terebinthina Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  CHSC9530  Purshia tridentata J. F. Goodwin 1971-7-11 165 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  CAS-BOT-BC147865  Purshia tridentata var. tridentata John Thomas Howell 1943-7-26 18836 Placer Mt. Lincoln Comment
  UC12831  Purshia tridentata var. tridentata J. Burtt Davy Jun 25 1897-Jun 30 1897 3240 Placer from Truckee to Lake Tahoe; Truckee River Basin Comment
  CAS-BOT-BC466092  Pyrola picta J. C. Hawver 1912-9-7 s.n. Placer Cisco Comment
  CAS-BOT-BC45765  Quercus Saichi Kawahara 1969-5-24 838 Placer slope overlooking north fork of the American River. Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CAS-BOT-BC45766  Quercus Saichi Kawahara 1969-5-25 1019 Placer ridge east of old house, Mel Henderson Ranch, east bank of Indian Creek; section 23 of the Dutch Flat Quadrangle 1036 Comment
  CAS-BOT-BC45767  Quercus Saichi Kawahara 1969-5-25 901 Placer North of old house, Mel Henderson Ranch, east bank of Indian Creek; section 23 of the Dutch Flat Quadrangle 999 Comment
  SACT002678  Quercus Josephine Van Ess 1976-8-4 Placer Collected along small roadside stream just in side park on Newcastle Road. Small tree amoung other oaks. Shady canyon. 176.8 Comment
  SACT002681  Quercus Josephine Van Ess 1979-6-26 Placer Collected down river horse trail from Auburn dam site down to river. Collected about where trail begins to head down from top of river bluffs. Among other oaks, some open grassy areas. Comment
  JEPS89059  Quercus X chasei Dr. J. C. Hawver 1909-3-5 Placer Auburn, ne corner of town Auburn Comment
  SEINET13953666 Image available Quercus X morehus A. Eastwood 1994-1 Placer Newcastle Comment
  SEINET9005676  Quercus chrysolepis W. D. Billings 1940-5-31 1276 Placer 5 miles east of Colfax Comment
  CDA20382  Quercus chrysolepis var. chrysolepis P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  RSA638891  Quercus douglasii Phyllis Adams 1982-5-9 37 Placer Along Old Foresthill Road, in the American River Canyon 457 Comment
  UCD45711  Quercus douglasii Sean Huff 1994-5-14 2 Placer Town of Roseville at north end of Sunrise Blvd, 1 mile down dirt road. Township/Range: T11N, R6E, S36, SE 1/4 76 Comment
  UCD45926  Quercus durata var. durata G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, 1952-7-20 5130 Placer 9 miles northeast of Forest Hill on road to Iowa Hill. 1127 Comment
  CAS-BOT-BC105304  Quercus kelloggii M. S. Jussel 1930-7-1 s.n. Placer Camp Baxter, North Fork of the Stanislaus River 1676 Comment
  RSA476820  Quercus kelloggii Wm. Martin 1971-9-10 20203 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  SACT002133  Quercus kelloggii Michael Baad 1977-4-13 Placer 0.2 miles north of Interstate 80; ecotone between pine forest and chaparral 502.92 Comment
  UC119102  Quercus kelloggii A. Eastwood 1894-9-9 Placer Newcastle Comment
  UCSC009267  Quercus kelloggii Al Keuter 2015-3-31 10- 06 -2 Placer North Fork American River/SR193 203 Comment
  UCSC010009  Quercus kelloggii Al Keuter 2014-6-15 00 101 A Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  SEINET10431542  Quercus kelloggii W. D. Billings 1940-5-18 s.n. Placer Gold Run. Comment
  SEINET12030462  Quercus kelloggii Unknown 1936-1 s.n. Placer Chicken Hawk Camp 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
  SACT002710  Quercus vacciniifolia James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002711  Quercus vacciniifolia James Grove 1977-7-15 Placer 2000.0 Comment
  RSA0127039  Quercus wislizeni Tom Scott, Gary Nakamura 2009-02 2009 -015 Placer Sierra Nevada Mtns. Foothills: Auburn, Hwy 49 at Auburn Bridge on American River, slopes on north side of canyon above highway. 198 Comment
  SACT002726  Quercus wislizeni Michael Baad 1977-4-13 Placer 0.2 mile north of highway I80. Ecotone between pine forest and chaparral. 502.92 Comment
  UC405494  Quercus wislizeni Francis Ramaley 1917-4-24 11144 Placer Auburn Comment
  UCD47601  Quercus wislizeni K. Kosta; C. Bloomquist 2001-11-1 s.n. Placer Shade leaves rounded like Q. agrifolia. Comment
  CAS-BOT-BC362682  Raillardella argentea L. S. Smith 1925-7-15 1682 Placer Tahoe National Forest. French Mdws. near Talbot Camp 1828 Comment
  JEPS59383  Ranunculus alismifolius var. alismellus Ezra Brainerd and Viola B. Baird 1915-7-15 131 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  RSA142999  Ranunculus alismifolius var. alismellus John H. Thomas, H. A. Thomas 1956-7-21 6086 Placer Sierra Nevada, Vicinity of Donner Pass, 80 miles NE of Sacramento 2134 Comment
  POM269582  Ranunculus alismifolius var. hartwegii Lyman Benson 1942-7-2 11243 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD162513  Ranunculus alismifolius var. hartwegii Steve Matson 1998-5-17 207 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. 1780 Comment
  CAS-BOT-BC379394  Ranunculus alismifolius var. hartwegii Alice Eastwood 1909-1-1 130 Placer Ward Creek Comment
  CAS-BOT-BC379432  Ranunculus alismifolius var. hartwegii Gordon H. True 1972-4-27 7103 Placer Boca-Stampede Dam Road, 5.2 mi north of Boca 1768 Comment
  CAS-BOT-BC379440  Ranunculus alismifolius var. hartwegii Lillian S. Mott 1968-4-28 1968 Placer Bear Valley Comment
  CAS-BOT-BC378964  Ranunculus bonariensis John Thomas Howell; Gordon H. True 1972-3-17 7082 Placer northern outskirts of Lincoln 49 Comment
  CHSC96497  Ranunculus bonariensis var. trisepalus Lowell Ahart; Brian Williams 2007-4-13 13651 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
  JEPS113178  Ranunculus bonariensis var. trisepalus Lowell Ahart, Brian Williams 2007-4-13 13651 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
  UCD43016  Ranunculus californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 385 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44736  Ranunculus californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2102 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS30051  Ranunculus flammula E. R. Blakley 1960-9-3 3814 Placer Kings beach Lake Tahoe (exposed lake bottom) 1903 Comment
  POM312418  Ranunculus flammula var. ovalis Malcolm A. Nobs, S. Galen Smith 1949-8-21 1511 Placer Marsh between sandy beach and Agate Bay, north end of Lake Tahoe. Comment
  CDA15944  Ranunculus occidentalis G. F. Hrusa, J. Glazner 1999-7-17 15152 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SD239890  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18956 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road 1.7 miles north of its junction with Forest Hill Road (Foresthill 7.5'Q) 1041 Comment
  UC480972  Ranunculus occidentalis Francis Ramaley 1917-4-24 11142 Placer Auburn 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
  SEINET12100621  Ranunculus occidentalis J. F. Bright, Wyman, C. 1933-1 8455 Placer Auburn Comment
  RSA400016  Ranunculus occidentalis var. eisenii Wm Vortriede 1926-1 s.n. Placer Lake Tahoe. Comment
  UCR64453  Ranunculus orthorhynchus Lyman Benson 1948-7-17 12924 Placer Sierra Nevada Mtns., Cisco Grove S Fork of Yuba River. Sacramento River 1799 Comment
  UC1551905  Ranunculus orthorhynchus var. orthorhynchus Lyman Benson 1948-7-17 12924 Placer Cisco Grove Sierra Nevada Mt. Range, Sacramento Area Drainage Area, S. F 1798 Comment
  CHSC96467  Raphanus raphanistrum Lowell Ahart; Brian Williams 2007-4-13 13640 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCD41223  Raphanus sativus Delilah Wood 1976-5-15 8 Placer 0.8 mile south of Rocklin Road. Comment
  CAS-BOT-BC55827  Rhamnus Charles J. Rockwell 1952-7-11 s.n. Placer northeaset of Roseville Comment
  UC592917  Rhamnus alnifolia Carl B. Wolf 1937-9-4 Placer 1 mi e Deer Park (nw of Lake Tahoe); Sierra Nevada 1981 Comment
  UC570990  Rhamnus ilicifolia Herbert L. Mason 1926-5-28 3265 Placer near Auburn Comment
  UC870854  Rhamnus rubra A. A. Heller 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  CDA20996  Rhamnus tomentella subsp. tomentella G. F. Hrusa 1993-11-3 11466 Placer Sierra Nevada; Mosquito Ridge Rd. approx. 12 miles E of Foresthill. 1066 Comment
  POM260089  Rhododendron occidentale var. paludosum C. L. Hitchcock 1940-5-14 6399 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC635198  Rhus trilobata Herbert L. Mason 1926-5-28 3267 Placer 5 mi above Auburn Comment
  CAS-BOT-BC438107  Ribes John H. Thomas; Hazelle A. Thomas 1956-7-21 6133 Placer Sierra Nevada. vicinity of donner pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC108697  Ribes cereum Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region. Comment
  CAS-BOT-BC108700  Ribes cereum John Thomas Howell 1943-7-26 18839 Placer Mount Lincoln. Comment
  UCD75745  Ribes cereum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5209 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  RSA0024859  Ribes cereum W. Hutchinson 1922-6-1 s.n. Placer Lake Tahoe. [Placer or El Dorado Co.] Comment
  SEINET5339546  Ribes cereum L. Miller 1932-6-26 s.n. Placer Near 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
  CAS-BOT-BC169086  Ribes inerme var. inerme A. A. Heller 1917-6-17 12718 Placer Low, grassy places along the Yuba River below Cisco 1676 Comment
  CHSC74094  Ribes inerme var. inerme Susi Urie 1998-8-13 98 -026 Placer Lake Tahoe Basin Management Unit- National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC219204  Ribes nevadense Alice Eastwood 1909-1-1 178 Placer Sunnyside Comment
  SDSU5940  Ribes roezlii D. F Howe 1948-5-22 1900 Placer 1219 Comment
  UC147585  Ribes roezlii Harriet A. Walker 1908-6-23 1222 Placer Blue Canyon 1432 Comment
  UCD15604  Ribes roezlii Lisa Montany 1985-5-18 20 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  RSA0018263  Ribes roezlii Wm. Martin 1971-9-10 20271 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CAS-BOT-BC186197  Ribes roezlii var. roezlii Elsie Z. Lovegrove 1951-9-13 s.n. Placer 50 and 1st meadow, Fallen Leaf L. road Comment
  CAS-BOT-BC186212  Ribes roezlii var. roezlii D. E. Breedlove 1962-6-13 3542 Placer On steep bank of Truckee River, 7.0 miles south of Truckee; Sierra Nevada 1828 Comment
  SEINET12220402  Ribes velutinum C. F. Sonne 1885-1 s.n. Placer Mt. on Truckee River Comment
  UC170072  Ribes viscosissimum Miss Helen D. Geis 1912-6 219 Placer Deer Park Comment
  UC35862  Rigiopappus leptocladus H. N. Bolander 1865-1 4569 Placer Newcastle Comment
  CAS-BOT-BC74618  Rorippa curvisiliqua A. A. Heller 1917-6-19 12738 Placer Emigrant Gap. 1615 Comment
  CDA24990  Rorippa curvisiliqua J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS53836  Rorippa curvisiliqua W. H. Shockley June 1886 Placer Auburn Comment
  JEPS59382  Rorippa subumbellata Ezra Brainerd and Viola B. Baird 1915-7-23 130 Placer Sierra Nevada, Lake Tahoe, Greene's Point 1901 Comment
  UCD115386  Rorippa subumbellata Malcolm A. Nobs; S. Galen Smith 1949-8-21 1512 Placer marsh between Sandy Beach and Agate Bay, north end of Lake Tahoe. Comment
  CAS-BOT-BC147022  Rosa woodsii subsp. ultramontana C. B. Wolf 1931-9-10 2421 Placer Near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  UCR191061  Rubus glaucifolius George 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
  SEINET5470384 Image available Rubus lasiococcus E. Neese 1980-10-15 9987 Placer Gold Run Rest area along I-80- 3000ft elev. Comment
  CHSC9515  Rubus parviflorus J. F. Goodwin 1971-7-10 154 Placer 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  SCFS1118  Rubus parviflorus E. Krimmel 2013-6-13 Placer NFAm. Cedars full trail. Split #6 Comment
  UC481486  Rubus parviflorus G. W. Fetters 1929-7-10 Placer near Pomin's; Lake Tahoe, near Pomin's Comment
  RSA114764  Rubus ursinus G. L. Stebbins Jr. 1952-6-22 5095 Placer 2 miles southeast of Colfax. Along southeast bank of American River, 1/4 mile north of bridge of road to Iowa Hill. 351 Comment
  CAS-BOT-BC110505  Rumex Saichi Kawahara 1969-7-6 1454 Placer Mel Henderson Ranch, east bank of Indian Creek. 987 Comment
  UCR257627  Rumex acetosella George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19524 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
  CDA37171  Rumex acetosella CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  CHSC74116  Rumex salicifolius var. triangulivalvis Susi Urie 1998-8-19 98 -080 Placer Lake Tahoe Basin Management Unit - National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS39859  Rumex salicifolius var. triangulivalvis W. H. Shockley Jul 1886 Placer Auburn Comment
  UCD21928  Rumex triangulivalvis Beth Lowe Corbin 1982-8-11 324 Placer 1 1/2 mile WSW of Onion Creek campground. In fine, sandy soil in logged White Fir forest. Perennial, forming a loose clump. Calyx reddish. Full sun. SE facing slope, 20% incline. Uncommon. 2011 Comment
  CAS-BOT-BC267072  Sagittaria L. R. Abrams 1917-9-15 6761 Placer 3-5 miles above Auburn Comment
  SEINET5335636  Sagittaria latifolia R. D. Olsen 1949-5-14 15 Placer stream crossing, U.S. highway 40, Roseville city limit 61 Comment
  CAS-BOT-BC103063  Salix bonplandiana Gordon H. True 1968-7-30 4454 Placer Just east of Rocklin, on Rocklin Rd. 76 Comment
  CAS-BOT-BC103558  Salix eastwoodiae W. R. Dudley 1900-6-14 5070 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC103607  Salix eastwoodiae W. R. Dudley 1900-6-14 5106 Placer In valley north west of Lake Mary Comment
  CAS-BOT-BC103611  Salix eastwoodiae W. R. Dudley 1900-6-14 5119 Placer In valley northwest of Lake Mary Comment
  UC1134848  Salix eastwoodiae B. Bolt 1934-8-22 187 Placer Head of Picayune Creek Truckee Quad. 2286 Comment
  UCD22318  Salix eastwoodiae Rex Palmer 1979-7-11 N 590 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM215768  Salix exigua D. D. Keck 1933-6-1 2436 Placer 1 mile S of Loomis on road to Rocklin. Comment
  UCD110810  Salix geyeriana E. L. Smith 1965-6-7 676 Placer Martis Valley, 6 miles southeast of Truckee. 1828 Comment
  CAS-BOT-BC106953  Salix laevigata Gordon H. True 1971-4-21 6528 A Placer Auburn Ravine just west of Lincoln 49 Comment
  CAS-BOT-BC125291  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 2 Placer Tahoe National Forest, French Meadows 1828 Comment
  CAS-BOT-BC128474  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 11125 Placer Colfax Comment
  CAS-BOT-BC124747  Salix lemmonii W. R. Dudley 1900-6-1 5283 Placer west of Independence Hotel Comment
  CAS-BOT-BC124756  Salix lemmonii W. R. Dudley 1900-6-14 5093 Placer East of hotel at Summit Comment
  CAS-BOT-BC124766  Salix lemmonii Gordon H. True 1968-4-17 4167 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Rd. 1554 Comment
  CAS-BOT-BC124778  Salix lemmonii W. R. Dudley 1900-6-14 5108 Placer northwest of Lake Mary, near Summit Comment
  CAS-BOT-BC124783  Salix lemmonii W. R. Dudley 1900-6-14 5070 a Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124784  Salix lemmonii W. R. Dudley 1900-6-14 5111 Placer Valley northwest of Lake Mary, near Summit Comment
  CHSC13658  Salix lemmonii E. L. Smith 1971-4-17 984 Placer At Yuba Gap ca. 7 km e of Emigrant Gap. 1770 Comment
  CHSC72889  Salix lemmonii L. P. Janeway; Eric Schroder 1998-8-15 5771 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC73994  Salix lemmonii Susi Urie 1998-8-28 98 -134 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  SD43610  Salix lemmonii Darley F. Howe 1948-5-22 Placer Placer Co. 1707 Comment
  UCD43112  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 480 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC124758  Salix lemmonii L. S. Smith 1931-6-12 9 Placer Tahoe National Forest, Babbit Springs along road to Babbit L.O. 2133 Comment
  CAS-BOT-BC124768  Salix lemmonii L. S. Smith 1931-6-17 11 Placer Tahoe National Forest, Babbit Springs along road to Babbit L.O. 2133 Comment
  CAS-BOT-BC128231  Salix lucida A. A. Heller 1917-6-17 12720 Placer Low, grassy places along the Yuba River below Cisco 1676 Comment
  UCD44429  Salix orestera C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1795 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD34051  Salix scouleriana Beecher Crampton 1975-10-14 9321 Placer Placer County, Blue Canyon airport area. 1524 Comment
  UC889730  Sambucus racemosa var. microbotrys A. A. Heller 1916-8-13 12903 Placer Summit Hotel 2133 Comment
  CAS-BOT-BC235190  Sambucus racemosa var. racemosa John Thomas Howell 1925-7-2 1333 Placer Trail to Desolation Valley above Glen Alpine, Lake Tahoe region Comment
  CAS-BOT-BC235195  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  CDA24988  Sanguisorba annua J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCR176250  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2006-8-11 11217 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 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
  JEPS127560  Sanguisorba officinalis Steve Matson 2002-7-14 569 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 300 m south of Hwy 267, 250 m east of Martis Creek. TMT trail. Comment
  SD239555  Sanicula bipinnata George K. Helmkamp, E. A. Helmkamp 2012-5-5 18933 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  CDA12010  Sanicula bipinnatifida G. F. Hrusa 1995-5-2 12191 Placer Sierra Nevada; approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  POM83023  Sanicula bipinnatifida Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  SEINET11155828  Sanicula bipinnatifida C. Bailey, H. Mozingo 1979-3-31 14 Placer Near Auburn, New Forest Hill Road, 0.5 miles E of its junction with Old Forest Hill Road. 792 Comment
  SDSU2332  Sanicula crassicaulis D. F. Howe 1948-5-21 1914 Placer 4 mi. north of Auburn. 457 Comment
  UC303482  Sanicula crassicaulis Mary E. P. Ames June, 1895 Placer Newcastle Comment
  CHSC82521  Sanicula tuberosa Lowell Ahart 2002-7-22 9876 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  JEPS126306  Sanicula tuberosa Steve Matson 2003-7-6 830 Placer Truckee River Watershed SW of Truckee; Squaw Valley; Shirley Canyon; along Granite Chief Trail to PCT (Pacific Crest Trail). Comment
  SEINET3480979  Sanicula tuberosa L. S. Rose 1941-7-18 1911 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) Comment
  UCD21591  Sanicula tuberosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1254 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. 2200 Comment
  CAS-BOT-BC436849  Saxifraga G. Earnhart 1961-3-18 10 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  JEPS111324  Saxifraga bryophora Steve Matson 2005-7-31 1431 Placer PCT 300 meters south of old Donner Summit;39.3134 N, 120.3262 W; elevation 7200 ft. 2194 Comment
  POM141734  Saxifraga bryophora C. F. Sonne 1897-7-18 s.n. Placer [Above ?], Truckee. Comment
  RSA20899  Saxifraga californica Carl B. Wolf 1937-3-30 8362 Placer Sacramento Valley. 2 miles N of Lincoln. 53 Comment
  SD43660  Scandix pecten-veneris Darley F. Howe 1948-5-21 1915 Placer 455 Comment
  CAS-BOT-BC35625  Scirpus congdonii Saichi Kawahara 1969-5-25 1006 Placer Mel Henderson Ranch, Indian Creek 975 Comment
  UCD44575  Scirpus congdonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1941 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA122656A  Scirpus microcarpus H. S. Yates 1936-8-9 6000 Placer Near Brockway 1921 Comment
  UCD43786  Scirpus microcarpus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1152 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD32554  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer Placer County, 2 miles northwest of Roseville, Diamond K Ranch. Comment
  RSA88136  Scrophularia californica var. desertorum J. T. Howell 1951-6-28 27679 Placer Jamison Creek. 1585 Comment
  UCD83591  Scutellaria californica Albert Grigarick 2009-8-7 160 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1959 Comment
  SEINET8020900  Scutellaria californica L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  UC25807  Scutellaria californica Mrs. M. M. Hardy 1893-1 Placer Comment
  RSA0029340  Sedum lanceolatum John F. Emmel 1991-7-23 1190 Placer Sierra Nevada, Donner Pass area: along Pacific Crest Trail south above Donner Pass, on slope ca. 0.3 air mi east of Lake Mary. 2226 Comment
  SEINET8552381  Sedum oreganum subsp. oreganum P. B. Kennedy 1901-8-21 424 Placer Middle Fork of American River. Comment
  RSA684430  Selaginella hansenii Viola N. Poole 1932-05 323 Placer Auburn. 329 Comment
  CAS-BOT-BC69719  Selaginella wallacei G. L. Stebbins 1970-7-12 7052 Placer Bear River canyon, 2 mi. n. of Alta. 1097 Comment
  CAS-BOT-BC62222  Selaginella watsonii John H. Thomas; Hazelle A. Thomas 1956-7-21 6128 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  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
  SEINET191999  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca. 1 mile west of Baxter Comment
  JEPS28864  Senecio integerrimus var. exaltatus J. R. Sweeney 1962-6-22 2646 Placer 2 mi e Tahoe City (n shore of Lake Tahoe); Lake Tahoe Comment
  UC197295  Senecio integerrimus var. exaltatus C. F. Sonne Jun 1898 Placer W slope Washoe Mountain near Truckee Comment
  CAS-BOT-BC364004  Senecio integerrimus var. major G. B. Grant 1906-7-15 7012 Placer Tahoe Tavern - Lake Tahoe Comment
  CAS-BOT-BC341225  Senecio scorzonella Belle R. Jackson 1932-6-1 s.n. Placer Yuba Pass Comment
  UC91655  Senecio serra var. serra C. F. Sonne 1892-8-21 Placer along river (Tahoe Road); Siera Nevada Comment
  RSA569048  Senecio triangularis B. C. Templeton 1931-7-5 s.n. Placer near Meek's Bay. 2280 Comment
  RSA569214  Senecio triangularis B. C. Templeton 1931-7-5 1511 Placer near Meek's Bay. 2280 Comment
  UCR170980  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2006-2-9 10044 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  CAS-BOT-BC364761  Sericocarpus oregonensis subsp. californicus A. A. Heller 1926-9-3 14332 Placer Seven miles east of Auburn along the Lincoln highway Comment
  UCD38937  Sericocarpus oregonensis subsp. californicus Beecher Crampton 1961-9-27 6020 Placer Blue Canyon. 1430 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
  CAS-BOT-BC243535  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Southeast corner Newcastle Road and Brenner Road, Newcastle Comment
  UCR129369  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Sacramento Valley, southeast corner of Newcastle Road and Brenner [Brennans] Rd., Newcastle 226 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
  SACT002096  Setaria viridis Josephine Van Ess 1976-8-16 Placer Collected in orchard west of Sierra College Blvd on hillside .75 mile south of Rocklin Road. Orchard weed, well irrigated orchard. 182.9 Comment
  UCD116589  Sidalcea calycosa Ted Niehaus 1959-5-3 99 Placer north shore of Folsom Lake at Granite Bay Park, 100 yards from lake. Comment
  JEPS72638  Sidalcea glaucescens Gladys L. Smith 1972-6-18 3148 Placer Alpine Meadows 2072 Comment
  UC1124951  Sidalcea glaucescens N. French 1934-6-22 484 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  UCD15606  Sidalcea glaucescens Lisa Montany 1985-5-18 24 Placer Mosquito Ridge Rd, 18.6 miles west of Forest Hill Rd. Comment
  UCD21588  Sidalcea glaucescens E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1251 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  UCR233458  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2011-8-26 18182 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
  SEINET8944245  Sidalcea glaucescens P. A. Lehenbauer 1932-6-26 s.n. Placer Lake Tahoe, near Tavern. Comment
  JEPS50059  Sidalcea hartwegii W. H. Shockley 1879-1 Placer Auburn Comment
  SD44647  Sidalcea hartwegii Darley F. Howe 1951-5-2 2107 Placer 4.0 miles north of Auburn. 456 Comment
  POM260018  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1940-5-7 6338 Placer 1 mile west of Baxter Comment
  CHSC74232  Sidalcea oregana subsp. spicata Susi Urie 1998-8-29 98 -158 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  JEPS126280  Sidalcea oregana subsp. spicata Steve Matson 2002-6-29 535 Placer Tahoe north shore: Snow Creek Watershed, Tahoe Vista/Kings Beach; main meadow next to pond near Highway 28. Comment
  SCFS1208  Silene E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Off s. slope near top. Comment
  UC196791  Silene californica C. F. Sonne 1891-5-17 Placer Colfax Comment
  UC942755  Silene californica Peter H. Raven, G. L. Stebbins Jr. 1952-4-20 4016 Placer North Fork American River s Auburn (near bridge on Rt. 49); North Fork American River s of Auburn 213 Comment
  UCD98570  Silene csereii Lester J. Berry 1969-5-15 s.n. Placer Foresthill. Charles Finning Property. Comment
  CAS-BOT-BC136290  Silene douglasii Beecher Crampton 1964-7-21 7123 Placer 1 mile east Cisco Grove (old site), old segment US Hwy. 40. 1737 Comment
  UC1283705  Silene douglasii Beecher Crampton 1964-7-21 7123 Placer 1 mi e Cisco Grove; e of Cisco Grove 1737 Comment
  UCD98598  Silene douglasii var. douglasii Beecher Crampton 1964-7-21 7123 Placer one mile east of Cisco Grove, old portion of US Hwy. 40. Comment
  CHSC33399  Silene laciniata subsp. californica Michael P. Crivello 1979-4-11 Placer S facing slope 300 yards n of confluence of North and Middle Forks of the American River. 2.5 mi. nne Auburn. 274 Comment
  CAS-BOT-BC181368  Silene occidentalis Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap Comment
  UC1137899  Silene occidentalis subsp. occidentalis G. T. Nordstrom 1934-6-21 148 Placer 2 1/2 mi w by nw Mammoth Springs; Tahoe National Forest, Colfax Quad. Comment
  UC334581  Silene occidentalis subsp. occidentalis A. Kellogg Jun 1870 289 Placer Cisco Sierra Nevada, Cisco Comment
  UC465667  Silene sargentii Katharine Brandegee Aug. 1905 Placer Alta Meadows Comment
  UCR190136  Silene vulgaris George K. Helmkamp, E. A. Helmkamp 2007-9-14 12953 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  CHSC58405  Sisyrinchium bellum Gary H. Bolton 1975-5-24 43 Placer Spring Garden Road and Auburn-Foresthill Road. Comment
  SD103520  Sisyrinchium halophilum Darley F. Howe 1978-7-15 Placer Along State Highway 20, 29 miles west of Truckee. 1646 Comment
  UCR146669  Sitanion hystrix Beecher Crampton 1961-9-27 6014 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  SACT002252  Sitanion jubatum D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Road. 978.0 Comment
  SACT002255  Sitanion jubatum Michael Baad 1983-6-27 Placer 1219.2 Comment
  CDA5917  Solanum aviculare J. H. Wilson 1961-8-3 Placer Albert Fanini property, 1145 Liveoak Lane, Auburn. 0 Comment
  NY820416  Solanum xanti M. J. Williams 1985-7-6 85- 63 --4 Placer Pacific Crest Trail between old and new Donner Summits Comment
  UCR231869  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17027 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-BC365508  Solidago elongata Mrs. H. M. Mitchell 1925-7-1 s.n. Placer Gold Run 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
  UCD135940  Solidago elongata G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12964 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road 15 miles east of Foresthill. 832 Comment
  SCFS11529127  Solidago velutina subsp. californica E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing in a drying stream bed. Comment
  CDA37238  Sonchus asper CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CAS-BOT-BC157305  Sorbus californica Alice Eastwood 1919-1-1 314 Placer Deer Park Comment
  UC1128678  Sorbus californica N. French 1934-6-13 408 Placer Lock Leven Lake; Tahoe National Forest 2042 Comment
  CAS-BOT-BC390675  Spergularia rubra G. B. Rossbach; R. P. Rossbach 1938-7-23 658 Placer From Pass above Donner Lake, near the Nevada and Placer Co. line 2164 Comment
  JEPS111305  Sphenosciadium capitellatum Steve Matson 2005-7-4 1378 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; along fenceline; 39.2866 N, 120.1401 W: elevation 5,900 ft. 1798 Comment
  RSA122177  Spiraea densiflora N. H. French 1934-6-8 403 Placer Cisco Butte 1921 Comment
  CHSC74328  Spiranthes porrifolia Susi Urie 1998-8-27 98 -126 Placer Middle of Page Meadows; about 2 miles west of Lake Tahoe and Sunnyside. 2121 Comment
  JEPS127473  Stachys ajugoides Steve Matson 1998-7-15 373 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork. Comment
  UCD44734  Stachys ajugoides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2100 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD150468  Stellaria longipes James A. Neilson Jr. 1970-7-18 1581 Placer Tahoe Basin, Ward Creek. Near plot 234. 2011 Comment
  CHSC85476  Stellaria longipes var. longipes G. F. Hrusa; J. Glazner 1999-7-17 15145 Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC8659  Stellaria longipes var. longipes C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  CAS-BOT-BC181460  Stellaria obtusa A. A. Heller 1919-7-25 13298 Placer About rocks near the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC398277  Stellaria umbellata John Thomas Howell 1943-7-22 18701 Placer Summit Valley Comment
  UCD43784  Stellaria umbellata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1150 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N 2072 Comment
  CAS-BOT-BC375011  Stenotus acaulis John Thomas Howell 1943-7-26 18838 Placer Mt. Lincoln Comment
  UC36545  Stenotus acaulis C. F. Sonne 1886-7-18 Placer Rock Peak, Truckee River 2590 Comment
  CDA8828  Stenotus acaulis var. acaulis Jim Jokerst 1986-7-13 2736 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, just below the summit of Needle Peak. 0 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
  UCR233397  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2011-8-26 18176 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  CAS-BOT-BC375610  Stephanomeria lactucina C. F. Sonne 1885-8-2 193 Placer Sierra Nevada Mts. Along Truckee River Comment
  JEPS36882  Stephanomeria lactucina L. S. Smith 1925-8-13 1701 Placer road below Millers Defeat; Tahoe Forest 1859 Comment
  SACT002340  Stipa columbiana Michael Baad 1976-8-7 Placer 2072.0 Comment
  SACT002341  Stipa columbiana D. Meyer 1983-9-10 Placer Collected on west end near parking lot moist streambank and meadow. 1879.0 Comment
  SACT002343  Stipa columbiana Michael Baad 1983-7-23 Placer Collected south of airport along northeast side of Highway 267 1767.84 Comment
  UCR146661  Stipa lemmonii Beecher Crampton 1955-6-15 2910 Placer Sierra Nevada Mountains, 0.75 mile south of Yankee Jims 880 Comment
  CAS-BOT-BC87414  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest. 1139 Comment
  UCD20391  Streptanthus polygaloides A. M. Shapiro 2002-6-16 s. n. Placer near Placer County and Nevada County border, west of I-80, Drum Powerhouse Rd. approx. 3400 ft. elev. 1036 Comment
  CAS-BOT-BC87763  Streptanthus tortuosus A. A. Heller 1917-6-17 12690 Placer Near the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC87765  Streptanthus tortuosus Lewis S. Rose 1940-5-29 40415 Placer 3 miles northeast of Emigrant Gap. 1676 Comment
  CAS-BOT-BC87766  Streptanthus tortuosus Betty J. jorgensen 1944-7-2 513 Placer Along summit near Donner Pass. Comment
  CAS-BOT-BC87767  Streptanthus tortuosus John H. Thomas; Hazelle A. Thomas 1956-7-21 6109 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  JEPS27073  Streptanthus tortuosus C. F. Sonne June 1888 19 Placer above Donner Lake; Sierra Nevada Mountains Comment
  UCR208578  Streptanthus tortuosus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14622 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  SEINET5505738 Image available Styrax officinalis var. californicus Evert I. Schlinger 1952-1 95 Placer 2 miles east of Auburn Comment
  UCR208574  Styrax officinalis var. redivivus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14606 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UC477579  Styrax officinalis var. redivivus L. S. Smith 1931-5-31 2540 Placer road to Forest Hill (North Fork of American River); North Fork of American River Comment
  UCD119092  Styrax redivivus Robert C. Bechtel 1952-5-3 95 Placer 2 miles east of Auburn. Comment
  UCD119093  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  CAS-BOT-BC47710  Styrax redivivus Julie Combs 1994-5-14 19 Placer 1/2 m E of Robie St. just off hiking trail 274 Comment
  UCR231831  Suksdorfia ranunculifolia George K. Helmkamp, E. A. Helmkamp 2010-8-14 16779 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  UCD137400  Symphoricarpos Beth Lowe Corbin 1982-8-3 199 Placer Hill west of Onion Creek Campground. 1853 Comment
  CAS-BOT-BC215297  Symphoricarpos mollis Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City, Sierra Nevada 1981 Comment
  UC1119985  Symphoricarpos mollis B. Bolt 1934-8-15 182 Placer 1 mi sw Goggins; El Dorado National Forest, Colfax Quad. 1676 Comment
  SEINET8061724  Symphoricarpos mollis P. A. Lehenbauer 1932-9-11 s.n. Placer Lake Tahoe, Carnelian Bay. Comment
  CHSC67650  Symphoricarpos rotundifolius var. rotundifolius James D. Jokerst 1986-7-13 2735 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  SEINET9331002  Symphyotrichum eatonii Unknown 2000-9-3 15665 Placer Placer Comment
  CAS-BOT-BC98477  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit Valley 2118 Comment
  CAS-BOT-BC98525  Symphyotrichum spathulatum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows - Sierra Nevada 1600 Comment
  UC128133  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-26 1437 Placer Cisco 1810 Comment
  UC128218  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-25 1396 Placer near, Cisco Yuba River Comment
  CAS-BOT-BC98483  Symphyotrichum spathulatum L. R. Abrams 1917-9-16 6764 Placer Meadow - Emigrant Gap to Summit Comment
  UC128139  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-27 1464 Placer Cisco Yuba River Comment
  CHSC73927  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-18 98 -063 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74200  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-3 98 -233 Placer Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CAS-BOT-BC221924  Taeniatherum caput-medusae John Thomas Howell; Gordon H. True 1971-5-26 47617 Placer Northern limits of Lincoln 48 Comment
  JEPS126352  Taraxacum officinale Steve Matson 1998-5-17 197 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards north of airport creek, 200 yards south of Martis Dam Road. Comment
  POM289884  Taraxacum officinale Lyman Benson 1942-7-2 11250 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UC147626  Taraxacum officinale Miss Harriet A. Walker 1908-6-26 1319 Placer Cisco 1810 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
  JEPS127406  Tauschia hartwegii Steve Matson 2006-4-23 1602 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  POM82681  Tauschia kelloggii Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  SEINET5779710 Image available Tauschia kelloggii Marcus E. Jones 1882-1 Placer Colfax Comment
  UCSB27352  Taxus brevifolia Havlik, Neil 1969-8-25 Placer On Gaddis Creek, east of Gerogetown Comment
  UC20477  Tetrapteron graciliflorum H. N. Bolander 1865-4-13 4564 Placer Newcastle Comment
  JEPS45854  Thalictrum fendleri L. S. Smith 1931-6-3 2552 Placer below Duncan Fork; Tahoe <National> Forest, Flat Ravine 1981 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
  UCD96804  Thalictrum fendleri var. fendleri G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12633 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCD43265  Thalictrum sparsiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 633 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET7249067  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  UCD128156  Torilis arvensis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10452 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along an unnamed road to Lake Clementine, 1.2 miles N of Forest Hill Road. 422 Comment
  UCR232217  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2011-5-6 17218 Placer Eastern Edge of Sacramento Valley, Camp Far West Road, 0.1 mile west of its junction with McCourtney Road, c. 6.3 mi. NE (67 deg. ) of Wheatland 58 Comment
  UC1134358  Torreya californica N. French 1933-10-18 108 Placer Yankee Jim Colfax Quad., Yankee Jim 609 Comment
  UCD148669  Tragopogon dubius G. Ledyard Stebbins 1986-6-11 C 601 Placer Truckee. (Exact location unknown; coordinates estimated by label maker.) Comment
  UC1980550  Tragopogon dubius C. Rose Broome, Crissie Cagle 1978-8-3 2310 Placer Laing Rd. (frontage rd. to Rancho Sierra Inn) just S of I-80 at Emigrant Gap exit. Comment
  RSA101426  Trautvetteria grandis R. Weatherby 1955-8-9 1679 Placer S Fork Haskins Creek, 2 miles S of Bucks Lake. 1646 Comment
  UCR257640  Trichostema lanceolatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20016 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  UC884474  Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap Comment
  SD62087  Trientalis latifolia Darley F. Howe 1965-5-21 4061 Placer Canyon, north side of American River between Forest Hill and Yankee Jims 914 Comment
  CDA37245  Trifolium campestre CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  RSA0042823  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SD237451  Trifolium dubium G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15928 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  UCD108820  Trifolium dubium Al Franklin 1987-5-1 87 -10 Placer 1.3 miles east of I-80, on Foresthill Road, just outside Auburn. 396 Comment
  UCD39210  Trifolium dubium Beecher Crampton 1953-5-26 1341 Placer 2 miles N of Lincoln, Chamberlain Ranch. Comment
  SEINET3245949  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2010-1 15933 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5') 157 Comment
  UC1278008  Trifolium hirtum B. Crampton 1957-5-7 3993 Placer 2 mi n Lincoln (along US Hwy 99E) Comment
  UCR188845  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2007-3-25 11712 Placer Foothills, Northern Sierra Nevada Mountains, Forest Hill Road at the junction with the unnamed road to Lake Clementine 457 Comment
  SD6082  Trifolium longipes Unknown Jun 1914 Placer Cisco Comment
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Jul 11 2010
  UCD22002  Trifolium longipes Beth Lowe Corbin 1982-8-17 359 Placer 2 2/3 miles WSW of The Cedars. Small meadow in White Fir forest. Flowers white. Perennial. Mostly sun. N slope, 10% incline. Locally abundant. 1935 Comment
  UCD43196  Trifolium longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 565 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  POM126205  Trifolium monanthum subsp. parvum C. F. Sonne 1889-07 3253 Placer Above Coldsman in Canon toward Donner Lake. Comment
  UC80329  Trifolium monanthum subsp. parvum Kellogg July 1870 Placer Cisco Comment
  UC148970  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-3 8737 Placer New Emigrant Gap Sierra Nevada Mtns 1645 Comment
  UC147624  Trifolium pratense Miss Harriet A. Walker 1908-6-27 1335 Placer Blue Canyon 1432 Comment
  UC450024  Trifolium pratense Katharine Brandegee Aug. 1911 Placer Tahoe Tavern Comment
  UCD109441  Trifolium variegatum var. geminiflorum R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UC968631  Trifolium variegatum var. variegatum C. L. Hitchcock 1940-5-7 6348 Placer ca 1 mi w Baxter Comment
  CHSC24636  Trifolium willdenovii T. C. English 1976-4-11 23 Placer Located 2 mi w Hwy 49 bridge over N Fork of American River on n edge of abandoned R.R. 335 Comment
  JEPS4385  Trifolium willdenovii Leland S. Smith 1925-6-3 1613 Placer below Yankee Jim; Forest Hill district Comment
  UC450026  Trifolium wormskioldii Katharine Brandegee Aug 1911 Placer Tahoe Tavern Comment
  UC498166  Trifolium wormskioldii Katharine Brandegee July 1911 Placer Tahoe Tavern Comment
  UC147565  Trillium albidum Harriet A. Walker 1908-6-24 1259 Placer Blue Canyon Comment
  RSA0039280  Triphysaria eriantha George K. Helmkamp, Amy Barnes 2013-3-28 20285 Placer along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SEINET7067116  Triphysaria eriantha A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. Comment
  UCR249533  Triphysaria eriantha George K. Helmkamp, Amy Barnes 2013-3-28 20285 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  UC718457  Triphysaria eriantha subsp. eriantha Carl B. Wolf 1937-3-30 8345 Placer on Penryn Road 4 8/10 mi e Lincoln; Sacramento Valley, e of Lincoln 91 Comment
  SD43621  Triphysaria eriantha subsp. eriantha Darley F. Howe 1948-5-20 Placer Placer Co. 456 Comment
  CHSC67750  Trisetum projectum James D. Jokerst 1986-7-13 2711 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  UC1133267  Trisetum projectum B. Bolt 1934-7-10 92 Placer 1 mi nw mouth of Little Granite; Tahoe National Forest, Colfax Quadrangle Comment
  UCD22214  Trisetum spicatum Beth Lowe Corbin 1982-8-18 369 Placer 5/6 mile SW of The Cedars. NW facing slope, 10% incline. Frequent. Full sun. In rocky, sandy, granitic soil of montane chaparral. Perennial forming small bunches. 1841 Comment
  POM260014  Triteleia bridgesii C. L. Hitchcock 1940-5-15 6402 Placer 6 miles north of Colfax. 762 Comment
  JEPS64218  Triteleia hyacinthina W. L. Jepson 1918-7-30 7733 Placer Tahoe Lake Tahoe, Tahoe 1920 Comment
  SEINET192013 Image available Triteleia hyacinthina C. L. Hitchcock 1940-5-14 6378 Placer Meier Ranch about 6 miles north of Colfax 762 Comment
  UCD22036  Triteleia hyacinthina Beth Lowe Corbin 1982-8-3 189 Placer Onion Creek Campground. 1841 Comment
  UCD43208  Triteleia hyacinthina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 577 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD80434  Triteleia hyacinthina CNPS SN Foothill Team 2005-4-14 SNFN 0110 a Placer Placer Legacy, Spears/Didion Ranch. Annual grassland in southeast corner of study area. Releve situated on east side of entry road, approximately 150 meters north of entry gate off of Mears Road. 309 Comment