Search Results — 2000 specimen records retrieved (1594 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC1331  Abies concolor R. A. Magie 1964-3-27 19 Placer 20 mi. W of Cisco Comment
  UCD43915  Abies concolor C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1281 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  RSA1848  Abies magnifica C. B. Wolf 1930-10-10 1726 Placer Coldstream Canyon, 5 miles from Truckee. 1982 Comment
  UCD23231  Abies magnifica Beth Lowe Corbin 1982-8-19 388 Placer 1 1/2 miles south of The Cedars. 1889 Comment
  CAS-BOT-BC331007  Acer glabrum var. glabrum Alice Eastwood 1912-6-15 365 Placer Lake Tahoe Region. Deer Park Comment
  SCFS1156  Achillea millefolium E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Cedar's Meadow. Comment
  UCD128290  Achillea millefolium Eric Brenner; John Hunter 1996-5-26 009 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD33484  Achillea millefolium Beecher Crampton 1968-10-5 8387 Placer 10 miles S.E. of Truckee on State Hwy. 127. 1828 Comment
  SEINET191859 Image available Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer Ca 1 mi W of Baxter 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
  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-BC210837  Achnatherum occidentale subsp. californicum A. A. Heller 1917-8-14 12925 Placer Mt. Lincoln south of Summit Valley 2499 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
  SACT000020  Achnatherum occidentale subsp. californicum James Grove 1977-7-15 Placer 2000.0 Comment
  UC1133084  Achnatherum occidentale subsp. californicum B. Bolt 1934-7-3 69 Placer Sawtooth Ridge, top of Tahoe National Forest, Colfax Quadrangle Comment
  UC682055  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3174 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UCD158708  Achnatherum occidentale subsp. californicum James A. Neilson Jr.; Dianne Q. McQuaid 1972-8-24 3599 Placer Tahoe Basin, Ward Valley, upper meadow. 2148 Comment
  JEPS45878  Achnatherum stillmanii L. S. Smith 1927-7-6 2054 Placer Mosquito Ridge, s and sw slope Tahoe Forest (Forest Hill District) 1676 Comment
  JEPS490  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine Range Tahoe Forest (Forest Hill District) 914 Comment
  SEINET6700615 Image available Achyrachaena mollis Beninghoff 1930-4-19 2978 Placer Lincoln Comment
  SEINET5327521  Acmispon americanus var. americanus M. J. Williams 1985-7-6 85- 61 -9 Placer [Sierra Nevada] Near old Donner Summit, S of Lake Mary. Sierra Nevada Comment
  SEINET5327535  Acmispon americanus var. americanus K. Thorne, Jody Chandler 1987-6-26 5439 Placer Truckee River Comment
  CAS-BOT-BC204858  Acmispon argophyllus var. fremontii Lillian S. Mott 1965-5-23 6577 Placer Mosquito Ridge road out of Foresthill Comment
  SEINET5327408  Acmispon brachycarpus A. Beninghoff 1930-4-19 1768 Placer Virginia Town Comment
  SJSU3621  Acmispon micranthus C. W. Sharsmith 1962-5-27 6912 Placer near Clipper Gap c. 6 mi N of Auburn on Donner Summit Rd (Hwy 40) 512 Comment
  JEPS127422  Acmispon nevadensis var. nevadensis Steve Matson 1997-6-25 15 Placer nSNH Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; just northeast of west end of golf course. Comment
  UCD38489  Acmispon parviflorus Beecher Crampton 1955-6-15 2918 Placer 8 miles west of Forest Hill. 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
  JEPS127522  Aconitum columbianum subsp. columbianum Steve Matson 2002-7-14 573 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, nearly one mile SW of parking lot and picnic spot, south side of Highway 267, along Lookout Mountain Creek. Comment
  CAS-BOT-BC412607  Aconogonon alaskanum Elizabeth Parsons Hawver No date on label s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC412850  Aconogonon davisiae Alice Eastwood 1909-1-1 290 Placer Lake Tahoe Region. Deer Park Comment
  SCFS5068  Aconogonon phytolaccifolium E. Krimmel 2014-6-26 Placer Widespread. Near creek and into conifer woods. Comment
  UCD128410  Adenocaulon bicolor Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SEINET11842680  Adenocaulon bicolor J. H. Nishida 1985-1 790 Placer Homewood 1829 Comment
  RSA687738  Adiantum aleuticum May N. Ackley 1925-06 4927 Placer Bear Valley 1372 Comment
  POM120401  Adiantum jordanii Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
Read comments
Sep 3 2010
  CDA42825  Aegilops triuncialis G. F. Hrusa, M. Pitcairn 2015-7-16 18648 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  SACT000030  Aegilops triuncialis D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  SCFS995  Agastache urticifolia E. Krimmel 2014-7-5 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Split time#3 Comment
  UC194732  Agoseris heterophylla var. cryptopleura C. F. Sonne 1891-5-17 Placer Colfax Comment
  UCD43093  Agoseris monticola C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 461 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SJSU4566  Agoseris monticola R. L. Fisher 1959-8-5 Placer Emigrant Meadow 2286 Comment
  CAS-BOT-BC13327  Agoseris retrorsa Marcus E. Jones 1882-6-30 2782 Placer Emigrant Gap Comment
  UC891244  Agoseris retrorsa C. L. Hitchcock 1940-5-7 6325 Placer ca 1 mi w Baxter Comment
  RSA453071  Agrimonia gryposepala Wm. Martin 1971-9-10 20229 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CAS-BOT-BC110751  Agropyron cristatum T. C. Fuller 1964-9-1 12573 Placer Sierra Nevada. North side of Interstate 80 freeway from Donner Summit, 0.1 mile west of Blue Canyon Road. 1524 Comment
  SACT000052  Agropyron intermedium var. trichophorum Michael Baad 1976-7-17 Placer Open brushy slopes on granite 2133.6 Comment
  CAS-BOT-BC384742  Agrostemma githago Belle R. Jackson 1927-6-1 s.n. Placer Dutch Flat 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
  CAS-BOT-BC127109  Agrostis exarata Margaret Williams 1974-8-8 74 -Pl-9 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  CAS-BOT-BC127110  Agrostis exarata Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  RSA129581  Agrostis exarata B. Bolt 1934-7-6 90 Placer Mammoth Spring. 1616 Comment
  RSA757272  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15191 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  SACT000082  Agrostis exarata D. Meyer 1984-7-8 Placer Very moist streambank, beneath bridge 1290.0 Comment
  UCD52333  Agrostis exarata Hitchcock Date Unknown 12891 Placer Summit Station. 2121 Comment
  SEINET4691428  Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2010-1 16380 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  UCD44437  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1803 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC1153829  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer 1.7 mi e Lincoln Comment
  UCR240963  Agrostis oregonensis George K. Helmkamp, E. A. Helmkamp 2012-9-25 19914 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
  CDA15931  Agrostis pallens G. F. Hrusa, J. Glazner 1999-7-17 15182 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Uncommon rhizomatous grass in +- moist sites surrounded by open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest. 1889 Comment
  UCD44504  Agrostis pallens C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1870 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD53210  Agrostis pallens A. A. Heller 1919-7-25 13305 Placer near the Yuba river below Cisco. 1676 Comment
  UCD53249  Agrostis pallens E. Wilson 1934-8-5 s.n. Placer Near Cisco. Comment
  UCD74165  Agrostis pallens Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 199 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2190 Comment
  SEINET4341133  Agrostis pallens L. G. McNeal 1965-10-16 s.n. Placer Squaw Valley 1981 Comment
  UCD53003  Agrostis rossiae R. Tofsrud 1951-7-1 s.n. Placer near Campton's store, Hwy. 40 (above Nayak). Comment
  JEPS127496  Agrostis scabra Steve Matson 2002-11-7 773 Placer Tahoe west shore; Emerald Bay, Eagle Falls trailhead. Comment
  SACT000162  Agrostis scabra D. Meyer 1984-7-29 Placer South of reservoir; moist, shady north-facing slope 1612.0 Comment
  UCD43004  Agrostis scabra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 373 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD53327  Agrostis scabra B. Crampton 1955-7-13 2984 Placer along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  SACT000192  Agrostis stolonifera var. major D. Meyer 1983-7-26 Placer Gold Run exit off I 80 intersect of Magra Rd Gold Run Rd 970.0 Comment
  SACT000204  Agrostis stolonifera var. major D. Meyer 1983-7-30 Placer 2072.64 Comment
  SACT000207  Agrostis stolonifera var. major D. Meyer 1983-7-30 Placer 1842.0 Comment
  RSA0054101  Agrostis thurberiana G. K. Helmkamp, E. A. Helmkamp 2005-9-30 9936 Placer Northern High Sierra Mountains: Hampshire Rocks Road S of the I-80 Rainbow exit (ca.2 mi E of Cisco Grove). 1805 Comment
  SACT000255  Agrostis variabilis James Grove 1977-7-15 Placer 2000.0 Comment
  UCD42942  Agrostis variabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 311 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD74168  Agrostis variabilis Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 202 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Donner's Way' ski run. 2154 Comment
  CAS-BOT-BC64487  Ailanthus altissima T. C. Fuller 1975-9-5 20101 Placer Between old Hwy 40 & Interstate 80 freeway, n. limits of Colfax. Sierra Nevada. 731 Comment
  SACT000233  Aira caryophyllea D. Meyer 1984-4-15 Placer Roadside; appears to have been a vernal pool (dry) 36.97 Comment
  SD43594  Aira caryophyllea Darley F. Howe 1948-5-20 Placer No further locality information given on label on specimen sheet. 456 Comment
  UC1618251  Aira caryophyllea Barbara Ertter with David Thompson 1989-4-8 8163 Placer Iowa Creek Road 2 mi from I-80 near entrance to Auburn State Recreation Area (at creek crossing); Iowa Creek Road 518 Comment
  CAS-BOT-BC445327  Alisma lanceolatum L. R. Abrams 1917-9-15 6760 Placer 3-5 mi above Auburn Comment
  SEINET3884511  Allium bisceptrum Kaye H. Thorne, J. Chandler 1987-6-26 5433 Placer Squaw Valley Ski Resort.; 0 Comment
  CDA12428  Allium campanulatum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8557 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  POM269026  Allium campanulatum Lyman Benson 1942-7-2 11256 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UC495488  Allium campanulatum Merle Randall 1930-6-17 Placer Big Bend Ranger Station Comment
  CAS-BOT-BC464522  Allium campanulatum D. E. Breedlove 1962-6-13 3546 Placer On the western bank of Lake Tahoe along State Hwy. 89, 8.3 miles south of Tahoe City 1889 Comment
  UC635251  Allium obtusum H. L. Mason 1933-5-28 7242 Placer Pyramid Creek, Placerville Road 1905 Comment
  POM110112  Allium obtusum var. obtusum Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  CAS-BOT-BC474084  Allium platycaule A. Kellogg 1870-6-1 s.n. Placer Cisco, Sierra Nevada Mountains Comment
  CAS-BOT-BC132121  Allium sanbornii var. sanbornii G. L. Stebbins, Jr. 1952-6-22 5100 Placer Along southeast bank of American River, 1 mile northeast of bridge on Colfax-Iowa Hill Road 350 Comment
  POM299441  Allophyllum gilioides L. S. Rose 1941-7-9 41299 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  RSA0037371  Allophyllum gilioides subsp. gilioides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20504 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  UCR250083  Allophyllum gilioides subsp. gilioides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20504 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
  JEPS127505  Allophyllum gilioides subsp. violaceum Steve Matson 1998-6-24 298 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UC572283  Allophyllum integrifolium B. Bolt 1934-7-19 148 Placer Tadpole Spring, Tahoe Nat'l Forest Tahoe Nat'l Forest, Colfax Quad., Tadpole Spring 1950 Comment
  CAS-BOT-BC453440  Allotropa virgata Adele Dahl 1916-8-10 s.n. Placer Tahoe City Comment
  UCD42882  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 249 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43135  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 503 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SDSU4775  Alnus incana subsp. tenuifolia unknown 1948-5-22 1823 Placer 1707 Comment
  UCD21603  Alopecurus pratensis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1268 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCD150261  Amaranthus albus James A. Neilson Jr. 1971-9-9 2601 Placer Placer: Tahoe City Nursery (McBride's Nursery). 1905 Comment
  JEPS115003  Amaranthus californicus Lowell Ahart 2007-11-13 14596 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan 73 Comment
  JEPS44681  Amelanchier Katharine Brandegee Jul 1908 Placer Alta Comment
  JEPS59457 Image available Amelanchier alnifolia var. pumila Ezra Brainerd and Viola B. Baird 1915-7-13 192 Placer slopes along Truckee River; Sierra Nevada Mountains 1905 Comment
  SEINET11910806  Amelanchier pallida J. H. Nishida 1985-1 767 Placer Homewood, Red Fir Forest 1829 Comment
  SEINET6190530  Amelanchier pallida A. Urrutia 1960-3-19 s.n. Placer North fork American River 3 miles south of Auburn, HWY 49 457 Comment
  CHSC107416  Amorpha californica Karen I. Callahan 2010-6-26 17 Placer Northern Sierra Nevada Foothills. Shutamul Preserve of the Placer County Land Trust. North slope above the Bear River, NW of Hwy 49 and S of the confluence of Wolf Creek with Bear River. 335 Comment
  UCD103885  Amorpha californica var. californica Greg Kareofelas 2011-6-15 s.n. Placer Land belonging to Placer Land Trust. Shutamul Bear River Preserve along the Bear River N of Auburn. Along trail on the north-facing slope of the Bear River canyon. 331 Comment
  SD241775  Amsinckia intermedia G. K. Helmkamp, E. A. Helmkamp 2010-4-17 15895 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area. 305 Comment
  CAS-BOT-BC64271  Anaphalis margaritacea Ira L. Wiggins 1933-8-21 6783 Placer Lake Tahoe, near Tahoma Comment
  SEINET9359457  Anaphalis margaritacea Unknown 2000-9-3 15661 A Placer Placer Comment
  CAS-BOT-BC137821  Andropogon glomeratus var. pumilus Arthur L. Menzies 1962-11-3 s.n. Placer On Highway 49. 0.25 mile west of American River Bridge near Auburn. 213 Comment
  UCD56114  Andropogon virginicus Beecher Crampton 1952-11-9 919 Placer 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. Comment
  CAS-BOT-BC391820  Anemone drummondii Mrs. Bliss 1923-4-20 s.n. Placer Tahoe City Comment
  RSA125348  Angelica breweri P. H. Raven 1958-6-14 13210 Placer West side of Donner Pass 2165 Comment
  UC1122887  Angelica breweri B. Bolt 1934-8-23 198 Placer Divide between Picayune and Grayhorse (Tahoe National Forest); Tahoe National Forest 2438 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
  JEPS111254  Antennaria dimorpha Steve Matson 2005-6-12 1267 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of powerline, 300 meters NW of Golf Course; 39.2981 N, 120.1258 W; Elevation 5835 ft. 1778 Comment
  JEPS126322  Antennaria dimorpha Steve Matson 1998-8-12 319 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; about 600 yards south of Highway 267, 100 yards west of Golf Course Creek. Comment
  JEPS126319  Antennaria rosea Steve Matson 1997-7-1 1 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  CDA1723  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Sierra Nevada Mtns.; near Cisco, Elev. 3000 ft. Comment
  POM264542  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer near Cisco, shrubby hillside. 915 Comment
  UCD56265  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Near Cisco. 1524 Comment
  CDA36211  Anthriscus caucalis G. K. Helmkamp, E. A. Helmkamp 2009-5-11 14675 Placer Sierra Nevada Mountains Foothills; Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn. Comment
  UC885065  Antirrhinum vexillocalyculatum subsp. intermedium Marcus E. Jones, A. M. 1882-7-3 3426 Placer Colfax Comment
  CDA14416  Aphanes occidentalis D. Joley 1995-5-12 Placer Dry Creek Road, I-80 east of Auburn near Applegate. 0 Comment
  UC1123471  Apocynum androsaemifolium G. T. Nordstrom 1934-6-21 145 Placer near Mammoth Springs Tahoe Nat'l Forest, Colfax Quad. Comment
  UC878847  Apocynum androsaemifolium unknown 122887 Placer Summit Station 2121 Comment
  SEINET7923473  Apocynum androsaemifolium P. A. Lehenbauer 1933-8-6 2606 Placer Tahoe near Homewood Comment
  UCR146675  Apocynum androsaemifolium subsp. pumilum Beecher Crampton 1955-6-15 2925 Placer Sierra Nevada Mountains, 10.5 wiles west of Forest Hill 488 Comment
  CAS-BOT-BC397907  Aquilegia formosa Saichi Kawahara 1969-7-6 1468 Placer Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest. SW 1/4 of section 19 of the Dutch Flat Quaddrangle, R11E T15N. Comment
  RSA569052  Aquilegia formosa var. truncata Bonnie C. Templeton 1931-7-4 1505 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  SEINET3245989  Arabidopsis thaliana G. K. Helmkamp, E. A. Helmkamp 2010-1 15929 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 48 Comment
  CDA13686  Arabis drummondii G. F. Hrusa, J. Glazner 1997-8-3 14045 a Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  RSA0129263  Arabis holboellii var. pinetorum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12325 Placer Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  SEINET5340904  Arabis holboellii var. retrofracta C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer 1/2 mile east of junction of old and new Auburn--Forest Hills Road. 792 Comment
  SEINET8892815  Arabis platysperma K. Christie 2011-1 2081 Placer Lake Tahoe Basin Management Unit (LTBMU); ca. 0.5 mi. east of Martis Peak. Comment
  JEPS109848  Arabis rectissima var. rectissima Dean W. Taylor 2005-7-15 19410 Placer Martis Peak, saddle 0.5 air miles E of the summit 2560 Comment
  SEINET2470967  Arabis rectissima var. simulans K. Christie 2010-7-15 1908 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N55, ca. 1.5 mi. east of Brockway Summit. 2286 Comment
  SEINET5340784  Arabis sparsiflora P. A. Lehenbauer 1926-4-25 1125 Placer Squaw Creek. Comment
  UC191532  Arceuthobium campylopodum C. F. Sonne 1889-7-9 Placer near Lake Tahoe Comment
  POM120643  Arceuthobium tsugense Marcus E. Jones 1881-07 s.n. Placer Emigrant Gap. 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-BC24182  Arctostaphylos Saichi Kawahara 1969-7-6 1470 Placer On Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest. 1139 Comment
  UCR241358  Arctostaphylos manzanita George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19817 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  NY9755  Arctostaphylos mewukka C. H. Merriam 1911-11-5 s.n. Placer W slope Sierra Nevada, 3 mi NW of Colfax. Comment
  UC517503  Arctostaphylos mewukka Alice Eastwood 1922-4-6 11122 Placer 3 mi above Colfax (near the road) Comment
  UC674746  Arctostaphylos mewukka C. H. Merriam 1911-11-5 Placer 3 mi nw Colfax; West Slope Sierra Nevada Comment
  CAS-BOT-BC40041  Arctostaphylos nevadensis Mary P. Wells 1980-9-12 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  POM76735  Arctostaphylos nevadensis Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UC193038  Arctostaphylos nevadensis C. F. Sonne 1884-7-13 Placer on road to Summit Comment
  RSA122011  Arctostaphylos patula J. E. Sowder, R. W. Lundh 1933-4-20 51 Placer 3 1/2 mi. S.W. Blue Canyon, above railroad, Colfax. 1372 Comment
  UCD15603  Arctostaphylos patula Lisa Montany 1985-5-18 19 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  SEINET2028707 Image available Arctostaphylos viscida H. F. Copeland 1933-3-12 a 2 Placer 3 miles above Colfax Comment
  UCR122880  Arctostaphylos viscida Susanne M. James 1980-4-1 73 Placer Highway I80, Alta Bonnie Nook Road offramp, just south of Baxter 1220 Comment
  CDA34219  Arctostaphylos viscida D. G. Kelch 2011-5-17 11 .518 Placer Dutch Flat. Comment
  SEINET5731174 Image available Arctostaphylos viscida Michael E. O'Brien 1971-1 24 Placer 20 mi. W of Immigrant Gap on I-80.; Immigrant Gap 1676 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-BC47056  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1930-10-11 1733 Placer Near Alta. 1127 Comment
  CAS-BOT-BC47060  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11121 Placer 3 mi. above Colfax near the road. Comment
  CAS-BOT-BC47061  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. 762 Comment
  CAS-BOT-BC47125  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. Comment
  RSA637025  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24929 Placer Forest Hill Road, 23 km west of Forest Hill, northeast of Auburn. 450 Comment
  RSA0050352  Arctostaphylos viscida subsp. viscida Wm. Martin 1971-9-10 20208 Placer Vicinity of Applegate, 7 miles E of Auburn. Comment
  RSA480532  Arenaria congesta A. Kellogg 1870-06 s.n. Placer Cisco. Comment
  RSA423602  Arenaria kingii subsp. compacta William Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UCD37738  Aristida oligantha Beecher Crampton 1961-9-27 5995 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. Comment
  UCD21689  Arnica Rex Palmer 1979-6-21 N 415 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC82199  Arnica chamissonis Margaret Williams 1974-8-8 74 -P1-31 Placer [Murphy's] Murphy Meadow, 5 miles southeast of Hirschdale 2316 Comment
  JEPS127457  Arnica chamissonis Steve Matson 1998-5-27 321 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters south of Highway 267, south of Martis Creek. Comment
  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
  UC193450  Arnica cordifolia C. F. Sonne 1885-5-17 Placer On road to Tahoe near old Shingle Mill, at Squaw Creek Comment
  UCD74026  Arnica cordifolia Jennifer W. Burt 2005-7-11 117 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1986 Comment
  JEPS20875  Arnica dealbata Leland S. Smith 1925-1-1 1664 Placer near Middle Fork of the American River; Tahoe National Forest, French Meadows 1828 Comment
  UC84125  Arnica dealbata C. F. Sonne July 1895 Placer road to Lake Tahoe 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
  CDA13701  Arnica mollis G. F. Hrusa, J. Glazner 1997-8-3 14061 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  JEPS22905  Arnica mollis John H. and Hazelle A. Thomas Jul 21 1956-Jul 22 1956 6213 Placer (vicinity of), 80 mi ne of Sacramento Donner Pass; Sierra Nevada 2133 Comment
  UCD83640  Arnica mollis Albert Grigarick 2009-9-10 193 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  UCD21695  Artemisia arbuscula Beth Lowe Corbin 1982-8-4 214 Placer 1/4 miles NW of Onion Creek campground. In rocky, fine sandy granitic soil. Open area in montane chaparral. Low shrub, branches 8' high. Inflorescences 12'. Aromatic. Full sun. SW facing slope, 20% incline. Locally common. 1950 Comment
  UCD21691  Artemisia douglasiana Rex Palmer Date Unknown N 888 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21694  Artemisia ludoviciana Beth Lowe Corbin 1982-8-5 254 Placer Onion Creek campground. 1841 Comment
  CAS-BOT-BC90717  Artemisia ludoviciana subsp. incompta John Thomas Howell 1943-7-26 18856 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  RSA39961  Artemisia ludoviciana subsp. incompta J. T. Howell 1943-7-26 18856 Placer Mt. Lincoln. Comment
  RSA122572  Artemisia spiciformis B. Bolt 1934-8-23 201 Placer Mount Mildred 2470 Comment
  SACT000351  Arundo donax Josephine Van Ess 1976-8-4 Placer .25 mile below juction on rattlesnake road. moist roadside. 170.7 Comment
  POM76149  Asclepias cordifolia Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD121247  Asclepias cordifolia John F. Addicott 1965-5-15 83 Placer 2 miles from Colfax on road to Owl Hill. 548 Comment
  UC22964  Asclepias cordifolia Mrs. M. M. Hardy 1893-1 Placer Comment
  CDA19564  Aspidotis densa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 253 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
  SCFS11529135  Aspidotis densa E. Krimmel, F. Felix 2012-9-13 Placer NFAm, on trail. Tucked around rocks in shallow ravine. Comment
  CAS-BOT-BC69579  Aspidotis densa Nora Pettibone; Frank W. Hubby 1892-9-1 s.n. Placer Lake Tahoe, Sierra Nevada Mt. 1828 Comment
  CAS-BOT-BC99220  Aster Peter Rubtzoff 1976-9-18 8844 Placer Lake Van Norden, south side of lake - Sierra Nevada 2063 Comment
  RSA473519  Aster oregonensis subsp. californicus Wm. Martin 1971-9-10 20245 Placer 1 mile north of Gold Run on Hwy 80 Comment
  SCFS1227  Asteraceae E. Krimmel 2014-6-26 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  SEINET12159603  Astragalus austiniae C. F. Sonne 1885-1 68 Placer Tinkus Knob 2896 Comment
  JEPS127432  Astragalus cicer Steve Matson 2003-8-15 910 Placer nSNH north Lake Tahoe; Dollar Hill 3 miles east if Tahoe City. Comment
  UCD105214  Astragalus purshii S. S. Smith 1916-6 414 Placer Squaw Valley. 1828 Comment
  UCD22021  Astragalus whitneyi Rex Palmer 1979-6-9 N 137 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  CAS-BOT-BC17414  Athysanus pusillus A. A. Heller 1917-6-17 12693 Placer Near the Yuba River below Cisco. 1676 Comment
  SEINET5340474  Athysanus pusillus F. Brunetti 1962-3-7 s.n. Placer 2 miles east of Auburn, above north Fork American River. 274 Comment
  UC1278006  Balsamorhiza macrolepis B. Crampton 1957-5-7 3983 Placer 3.2 miles north of Roseville, along the railroad and U.S. Highway. 99 E. Comment
  CDA10487  Balsamorhiza macrolepis T. C. Fuller 1958-7-7 Placer 2 miles north of Roseville. 0 Comment
  CAS-BOT-BC16551  Barbarea orthoceras A. A. Heller 1917-6-17 12697 Placer Along the Yuba River below Cisco. 1676 Comment
  JEPS53020  Barbarea orthoceras Leland S. Smith 1928-6-9 2320 Placer Squaw Valley Ranger Station Tahoe Forest, Squaw Valley (in pasture) 1889 Comment
  CAS-BOT-BC16550  Barbarea orthoceras Lewis S. Rose 1944-7-25 44261 Placer Lake Tahoe. Chambers Lodge. 1920 Comment
  CAS-BOT-BC75540  Berberis dictyota Mrs. J. C. Hawver 1913-3-28 s.n. Placer Auburn. 365 Comment
  UCR253810  Bidens frondosa George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20105 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  UCD38380  Blennosperma nanum B. Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  UC136106  Boechera depauperata C. F. Sonne 1897-7-18 Placer Tinkers Knob Sierra Nevada Mountains 2743 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
  CHSC98394  Boechera rectissima Dean Wm. Taylor 2005-7-15 19410 Placer Martis Peak; saddle 0.5 air miles E of the summit along Murphys Meadow Road. 2560 Comment
  UC10137  Boechera sparsiflora H. N. Bolander 1865-4-10 4514 Placer near Auburn (Bed of American River); American River Comment
  CAS-BOT-BC25791  Boechera stricta A. A. Heller 1919-7-26 13319 Placer Donner Pass. 2194 Comment
  UCD114489  Boechera suffrutescens Tamara Kan 1992-7-25 s.n. Placer East slope of Silver Peak. 2377 Comment
  SEINET10389276  Bolboschoenus fluviatilis R. D. Olson 1949-5-14 16 Placer U.S. Highway 40, Roseville City Limit (W). 61 Comment
  CHSC110817  Botrychium crenulatum Dean Wm. Taylor 2013-8-7 21399 Placer Sierra Nevada. Coldstream Valley, meadow complex on the south canyon rim of the valley. 2034 Comment
  CHSC11101  Boykinia major Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  SD234516  Boykinia occidentalis G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12191 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River. 800 Comment
  CAS-BOT-BC418414  Boykinia occidentalis W. R. Dudley 1909-8-1 s.n. Placer Little Bear Valley Comment
  UCD147088  Brachypodium distachyon Chuck Hughes 2013-5-6 373 Placer Southwest margin of Camp Far West Reservoir. 96 Comment
  SEINET5340929  Brassica rapa C. Fitz 1959-3-5 s.n. Placer Near Auburn, Hw. 40, profuse in fields and orchards. 396 Comment
  SD243074  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17015 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road (Between CA-49 and new Foresthill Road), 1.8 miles northeast of junction with CA-49 (Auburn 7.5'Q) 249 Comment
  SACT000474  Briza minor Josephine Van Ess 1976-3-16 Placer Collected at intersection; gravel slope 91.5 Comment
  UCR231890  Briza minor George K. Helmkamp, E. A. Helmkamp 2011-4-10 17145 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  CAS-BOT-BC482162  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  UC768439  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  RSA670102  Brodiaea coronaria Juanita Bacey 1998-5-9 5 Placer Roseville. 0.5 miles SW of intersection of Hwy 65 and Stanford Ranch Road. 69 Comment
  UC1442889  Brodiaea elegans subsp. elegans Theodore F. Niehaus 1965-6-5 552 Placer 0.5 mi e Hwy 49 (on road to Auburn Airport) Comment
  UC194939  Brodiaea elegans subsp. elegans H. M. Hall 1916-6-21 10217 Placer below Applegate; Sierra Nevada Mountains, Lake Theodore Comment
  CAS-BOT-BC484261  Brodiaea elegans var. elegans R. F. Hoover 1965-6-24 9450 Placer 1 mi. n. of Auburn on road to Grass Valley (Highway 49) Comment
  CAS-BOT-BC484263  Brodiaea elegans var. elegans S. P. Rixford 1914-6-22 s.n. Placer Loomis Comment
  UCD77127  Brodiaea minor Robert E. Preston 2002-6-14 1817 Placer Auburn, along Dry Creek Rd, ca. 0.8 mi e of its jct with Hwy 49. 440 Comment
  UCD147856  Brodiaea rosea subsp. vallicola Robert E. Preston 2013-4-15 2910 Placer Between Roseville and Lincoln, 200 ft E of Hwy 65, 0.7 mi N of Sunset Blvd. 47 Comment
  SACT000379  Bromus carinatus D. Meyer 1984-6-23 Placer 9.12 km from I80 Frontage road. 978.0 Comment
  SACT000381  Bromus carinatus D. Meyer 1984-6-23 Placer Nevada-Placer County line, moist shaded area. 594.0 Comment
  SACT000388  Bromus carinatus Michael Baad 1983-6-26 Placer 2.2 miles southeast, near Michigan Bluff Road. 1158.24 Comment
  SACT000515  Bromus carinatus D. Meyer 1983-7-16 Placer Gold Run Road, near Interstate 80 Gold Run exit 975.36 Comment
  UCD74173  Bromus carinatus Jennifer W. Burt 2005-7-13 35 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. 1928 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
  JEPS75156  Bromus carinatus var. carinatus Gladys L. Smith 1972-6-20 3262 Placer from Ward Peak Summit to Sherwood Forest 2590 Comment
  CAS-BOT-BC148724  Bromus carinatus var. marginatus R. F. Hoover 1967-9-7 10860 Placer Antone Meadow. Comment
  CHSC68069  Bromus carinatus var. marginatus James D. Jokerst 1986-7-12 2684 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, on N side of river. Comment
  SEINET203582 Image available Bromus carinatus var. marginatus F. J. Hermann 1955-7-27 11940 Placer NW shore of Lake Tahoe 1829 Comment
  UCD34553  Bromus carinatus var. marginatus Beecher Crampton 1985-6-23 9998 Placer Placer County, North Shore Lake Tahoe, Stateline road. Comment
  UCD59163  Bromus carinatus var. marginatus L. S. Smith 1916-8-3 723 Placer Cold Stream Meadow. 1920 Comment
  SACT000492  Bromus commutatus D. Meyer 1984-6-3 Placer 585.0 Comment
  CAS-BOT-BC155985  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  CAS-BOT-BC155986  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  JEPS113245  Bromus hordeaceus Lowell Ahart, Brian Williams 2007-4-13 13661 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SD112424  Bromus hordeaceus 1948-5-20 1892 Placer 456 Comment
  SACT000562  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-7-3 Placer 1227.3 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
  SACT000699  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  SACT000701  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  SACT000705  Bromus marginatus Michael Baad 1977-6-3 Placer 609.6 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
  SACT000621  Bromus orcuttianus D. Meyer 1983-7-3 Placer 5.4 miles from Forest Hill Road 1234.44 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
  SEINET3923248  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Blue Canyon.; 0 1430 Comment
  UCD22238  Bromus orcuttianus Beth Lowe Corbin 1982-8-2 165 Placer Onion Creek Campground. S facing slope. Partial sun. Scattered clumps are common, but cover little percentage of area. In mixed conifer forest openings, in conifer duff over fine, sandy, granitic soil. Perennial with small, loose tufts. 1841 Comment
  UCD59245  Bromus orcuttianus Beecher Crampton 1959-7-8 5416 Placer Lake Tahoe, along State Highway 89. 1950 Comment
  UCD59244  Bromus orcuttianus L. T. Burcham; H. W. Miller 1962-7-31 s.n. Placer Upper middle fork of the American River. 1828 Comment
  SEINET4391133  Bromus rigidus A. Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-1 606 Placer One mile north of Lincoln.; 0 Comment
  SACT000722  Bromus rubens Michael Baad 1977-6-8 Placer on road between Forest Hill and French Meadows; roadside in serpentine-chaparral community 914.4 Comment
  UCD36323  Bromus secalinus Beecher Crampton 1953-5-26 1336 Placer Placer County, 2 miles north of Lincoln, Sunnybrook Farm. Comment
  UCD59655  Bromus secalinus Beecher Crampton 1953-5-26 1337 Placer Sunnybrook Farms, 2 miles north of Lincoln. Comment
  OBI22422  Bromus sitchensis Robert F. Hoover 1967-9-7 10860 Placer Antone Meadow Comment
  CAS-BOT-BC161586  Bromus sterilis Saichi Kawahara 1969-7-6 1421 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  SACT000757  Bromus suksdorfii D. Meyer Placer 10 miles from French Meadows, dry roadside 1524.0 Comment
  SACT000766  Bromus tectorum Michael Baad 1983-5-5 Placer 1.2 miles southeast of Canyon Way descending to North Fork of the American River 548.64 Comment
  SACT000784  Bromus tectorum Josephine Van Ess 1977-5-5 Placer 158.5 Comment
  SD44641  Bromus tectorum D. F. Howe 1951-5-3 Placer 1067 Comment
  UCD60059  Bromus tectorum Beecher Crampton 1955-6-15 2874 Placer Bunch Canyon head, 1 mile south of U. S. Hwy. 40, on the Forest Hill road. Comment
  SACT000796  Bromus vulgaris D. Meyer 1984-7-29 Placer 1414.0 Comment
  RSA60321  Calamagrostis canadensis E. K. Balls 1950-9-8 15722 Placer Lakes Center Public Campground 2043 Comment
Read comments
Sep 16 2014
  UCD37504  Calocedrus decurrens Beecher Crampton 1960-11-2 5798 Placer town of Gold Run. 975 Comment
  SEINET5334885  Calocedrus decurrens R. Sumner 1949-4-15 107 Placer Tahoe Park, Lake Tahoe, Valley floor 1890 Comment
  CHSC24734  Calochortus albus T. C. English 1976-4-11 12 Placer N. Fork American River. 2 mi. W. Hwy 49 bridge, 400yds. N. abandoned R. R. in S. facing rockpile. 335 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
  POM291122  Calochortus leichtlinii Lyman Benson 1933-6-26 4526 Placer Cisco, U.S. 40. Sierra Nevada range, Bear River watershed. 1829 Comment
  UCD22049  Calochortus leichtlinii Rex Palmer 1979-6-19 N 269 Placer Headwaters basin area of the North Fork of the American River Comment
  UC197247  Calochortus monophyllus C. F. Sonne 1891-5-17 Placer Colfax Comment
  UC13829  Calochortus superbus Miss Henderson 1900-6-3 Placer Applegate Comment
  CAS-BOT-BC493448  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles north of Colfax Comment
  CAS-BOT-BC270651  Calycadenia multiglandulosa David D. Keck 1932-7-1 1590 Placer 2 miles N of Auburn 425 Comment
  CAS-BOT-BC270653  Calycadenia multiglandulosa David D. Keck 1932-7-1 1590 Placer 2 miles N of Auburn 425 Comment
  UCR51761  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer Weimar Post Office 686 Comment
  CAS-BOT-BC270645  Calycadenia multiglandulosa John Thomas Howell 1929-10-4 4432 Placer 2.4 miles below Weimar on road to Colfax Comment
  CAS-BOT-BC270646  Calycadenia multiglandulosa David D. Keck 1932-6-30 1585 Placer 0.8 mile N of Weimar P.O. 685 Comment
  UC1876157  Calycadenia multiglandulosa Gerald D. Carr 1971-8-15 634 Placer 4.1 mi N of Auburn on Hwy 49. 426 Comment
  UC1136658  Calyptridium monospermum G. T. Nordstrom 1934-6-18 105 Placer 1/4 mi se of Texas Hill (Tahoe National Forest); Tahoe National Forest 1676 Comment
  UC7770  Calyptridium monospermum C. J. Fox 1895-7-1 Placer Deer Park Inn Comment
  UCD70594  Calyptridium monospermum Martin J. Beran 1994-5-27 19 Placer Lang Crossing of HWY 20, South Fork of Yuba River. 1414 Comment
  UCR189640  Calyptridium umbellatum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12635 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  CAS-BOT-BC221214  Calystegia malacophylla subsp. malacophylla Marcus E. Jones 1882-6-28 3299 Placer Emigrant Gap Comment
  SEINET13203118 Image available Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Amy Barnes 2014-1 22779 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  CAS-BOT-BC418636  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff; K. Van Zuuk; B. Ertter 2012-6-12 22051 Placer Tahoe National Forest, 8.2 miles NE of Foresthill, on Sugar Pine Road 4.4 miles from Forest Hill Road 1170 Comment
  SEINET10880650 Image available Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff; K. Van Zuuk; Barbara J. Ertter 2012-6-12 Brummitt 22047 Placer Tahoe National Forest, 3 mi NE of Foresthill, on Western States Trail, ca. 1 mi from Michigan Bluff Road. 1091 Comment
  UCD150570  Camassia quamash subsp. breviflora James A. Neilson Jr. 1971-6-30 2131 Placer Tahoe Basin, Ward Valley Drainage, Plot #132. 1920 Comment
  POM259053  Camissonia subacaulis J. T. Howell 1938-8-2 13991 Placer 5 miles north of Brockway. Comment
  CAS-BOT-BC267278  Campanula Nell E. Flattery; Mary P. Wells 1980-9-12 s.n. Placer Garden escape, Poineer Way, Tahoe City 1981 Comment
  SEINET10463035  Campanula prenanthoides F. A. MacFadden 1934-7-9 MacFadden 12733 Placer Emigrant Gap Comment
  SEINET5341002  Capsella bursa-pastoris A. Tiehm, H. Mozingo; M. Williams; E. McPherson 1975-1 619 Placer One mile north of Lincoln. Comment
  CAS-BOT-BC37247  Cardamine breweri Alice Eastwood 1909-1-1 126 Placer Lake Tahoe Region. Ward Creek. Comment
  CAS-BOT-BC37256  Cardamine breweri Arnold Tiehm 1974-8-8 522 a Placer Sierra Nevada. Murphy's Meadow. 2407 Comment
  UCR270279  Cardamine cordifolia John F. Emmel 2002-6-23 1756 Placer Sierra Nevada Mountains, northern Lake Tahoe region, Middle Martis Creek 2195 Comment
  RSA794005  Cardamine pensylvanica George K. Helmkamp, E. A. Helmkamp 2012-2-23 18576 Placer Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  CAS-BOT-BC281742  Carduus pycnocephalus T. C. Fuller 1976-6-3 20140 Placer NW corner of Bell Road and Skyline Drive, Auburn Comment
  SD123688  Carex Robert T. Clausen, Harold Trapido 1940-7-13 4894 Placer Sierra Nevada Mountains; Lake Tahoe Basin; rich woods along Ward Creek; 2 miles west of Lake Tahoe. 1905 Comment
  UCD43871  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1237 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR179180  Carex Beth Lowe Corbin 1982-8-3 178 Placer Sierra Nevada Mtns., Headwaters Basin Area of the North Fork American River, Onion Creek Campground 1841 Comment
  UCD43369  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 737 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44625  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1991 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC19071  Carex aurea John Thomas Howell 1938-8-2 14002 Placer 5 miles north of Brockway. Comment
  UCD140156  Carex bolanderi John Thomas Howell 1960-6-17 35491 Placer Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC34439  Carex deflexa var. boottii John Thomas Howell 1943-7-21 18645 Placer Donner Pass to Mt. Lincoln. Comment
  CAS-BOT-BC20108  Carex feta Saichi Kawahara 1969-7-6 1430 Placer East bank of Indian Creek, Mel Henderson Ranch. Swing near old cabin. 999 Comment
  SEINET3143641  Carex feta L. S. Rose 1939-6-5 39218 Placer Bear Valley near Emigrant Gap 1372 Comment
  UC1729962  Carex fissuricola L. P. Janeway, Eric Schroder 1998-9-16 6328 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  CAS-BOT-BC20680  Carex fracta John Thomas Howell 1943-7-27 19774 Placer Lake Tahoe near Tahoe Pines. Comment
  CHSC98656  Carex fracta Robert F. C. Naczi 2006-8-3 11406 Placer Ca. 4.2 mi E of town of Cisco Grove, 1.0 mi W of Nevada Co. border, S of E-bound lanes of I-80, 0.4 mi W of overpass for exit 171 (Kingvale Exit). 1851 Comment
  UC830149  Carex fracta Alice Eastwood Jun 15-19 1912 471 Placer Lake Tahoe Region Comment
  CAS-BOT-BC20681  Carex fracta John Thomas Howell 1938-8-2 14012 Placer Near Calneva. Comment
  UCD96978  Carex hassei Chuck Hughes 2010-7-13 240 Placer Eastern edge of Truckee River near northwest corner of intersection of Alpine Meadows Road and Highway 89. 1887 Comment
  POM81546  Carex hoodii Marcus E. Jones 1882-6-28 3532 Placer Emigrant Gap. Comment
  SEINET5786597 Image available Carex hoodii Marcus E. Jones 1882-1 3532 Placer Emigrant Gap Comment
  UC826077  Carex hoodii Marcus E. Jones, A. M. 1882-6-28 3532 Placer Emigrant Gap Comment
  CAS-BOT-BC7849  Carex infirminervia Lewis S. Rose 1944-7-25 44245 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  POM81205  Carex integra Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  SEINET5332347 Image available Carex integra A. A. Heller 2009-7-16 9841 Placer Summit 2134 Comment
  CAS-BOT-BC35501  Carex jonesii Lewis S. Rose 1944-7-26 44280 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  SEINET4231775 Image available Carex jonesii K. Chung, Matson, S 2009-1 1074 Placer Lake Tahoe, north side 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
  UCD44676  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2042 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  POM81703  Carex lenticularis var. lipocarpa Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UC827357  Carex luzulina var. luzulina Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap Comment
  SEINET11125863 Image available Carex mariposana Unknown 2009-1 24618 Placer Just south of Donner Pass, near Route 40 and Mary Lake. Northern Sierra Nevada Highlands (n SNH) Comment
  UC710481  Carex mariposana John Thomas Howell 1943-7-27 18876 Placer near Tahoe Pines (Lake Tahoe) Comment
  CHSC74135  Carex microptera Susi Urie 1998-8-28 98 -142 Placer Lake Tahor Basin Management Unit -- National Forest. Middle of Page Meadows; about 2 miles west of Lake Tahoe and Sunnyside. 2115 Comment
  CDA19568  Carex multicaulis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 245 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
  POM260101  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer 1 mile west of Baxter Comment
  UC833299  Carex multicaulis Marcus E. Jones, A. M. 1882-6-28 3286 Placer Emigrant Gap Comment
  UC733659  Carex multicostata L. S. Smith 1928-6-1 2271 Placer near Walker's; Tahoe Forest, Blackwood 1950 Comment
  UCD42874  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 241 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC119848  Carex nebrascensis John Thomas Howell 1943-7-19 18584 Placer Summit Valley Comment
  SD480  Carex nebrascensis Jun 1915 73 Placer Donner. Comment
  UC733660  Carex nebrascensis L. S. Smith 1927-8-12 2239 Placer Upper Squaw Creek Basin Tahoe 2286 Comment
  UCD140682  Carex nebrascensis Mrs. H. P. Kelley 1915-6-18 s.n. Placer Squaw Valley. Comment
  SD130931  Carex nebrascensis Peter Rubtzoff 1976-9-18 8847 Placer Sierra Nevada; Lake Van Norden; south side; lakeshore. 2063 Comment
  SEINET10949562  Carex nebrascensis Lewis S. Rose 1944-7-26 Rose 44284 Placer Truckee River, 7 mi. n. of Lake Tahoe. 1798 Comment
  CHSC84745  Carex pellita L. P. Janeway; B. Castro 2003-8-23 7968 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  UCD44621  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1987 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC118341  Carex praegracilis Bolander 4549 Placer Meadows near Auburn Comment
  CAS-BOT-BC118759  Carex preslii John Thomas Howell 1943-7-27 18876 Placer Lake Tahoe near Tahoe Pines. Comment
  SEINET10707320  Carex preslii John Thomas Howell 1943-7-21 Howell 18633 Placer Donner Pass to Mt. Lincoln. Comment
  UCD74100  Carex raynoldsii Jennifer W. Burt; Sarah Shannon 2005-7-8 9 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  JEPS73203  Carex raynoldsii Gladys L. Smith 1972-8-25 3408 Placer e facing slope below Watson Memorial (tr. to Granite Chief) 2529 Comment
  CHSC74307  Carex simulata Susi Urie 1998-9-2 98 -202 Placer Lake Tahoe Basin Management Unit. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  POM80664  Carex stipata Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
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Sep 7 2010
  CAS-BOT-BC116994  Carex straminiformis Arnold Tiehm 1974-8-8 512 Placer South of Murphy's Meadow. 2529 Comment
  JEPS73179  Carex straminiformis Gladys L. Smith 1972-8-25 3427 A Placer along crossing cirque, n face Granite Chief Granite Chief 2621 Comment
  CAS-BOT-BC116555  Carex subfusca R. F. Hoover 1967-9-7 10855 Placer Antone Meadow. Comment
  CAS-BOT-BC116556  Carex subfusca Peter H. Raven 1956-8-4 10000 Placer Moist hillside 1 mi from Blue Canyon on road to Emigrant Gap. Comment
  CHSC74313  Carex subfusca Susi Urie 1998-8-17 98 -052 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74717  Carex subfusca Susi Urie 1998-8-29 98 -154 Placer Lake Tahoe Basin Management Unit. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74892  Carex subfusca Susi Urie; Eric Schroder 1998-9-8 98 -302 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UC1133437  Carex utriculata L. S. Smith 1927-8-11 2201 Placer Squaw Valley Tahoe N. F., Truckee Quadrangle 1889 Comment
  UCD162535  Carex utriculata Steve Matson 2002-8-17 697 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 Comment
  UCD75770  Carex utriculata Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5242 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CAS-BOT-BC115401  Carex utriculata Catherine Best 1938-8-2 14001 Placer 5 mi N of Brockway Comment
  UCD75769  Carex vesicaria Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5241 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  UC1133493  Carex whitneyi L. S. Smith 1928-6-1 2260 Placer near Walker's (Blackwood); Tahoe Forest 1920 Comment
  UC1256291  Carex whitneyi R. K. Gierisch 1969-7-11 3523 Placer Big Bend Tahoe Forest Comment
  UC710439  Carex whitneyi Lewis S. Rose 1944-7-26 44279 Placer Chambers Lodge Lake Tahoe 1920 Comment
  SEINET3909086  Carex whitneyi N. H. French 1934-6-26 s.n. Placer Tahoe National Forest.; 0 Comment
  POM132269  Cassiope mertensiana subsp. californica C. F. Sonne 1892-7-31 s.n. Placer Mts. above Coldstream. 2591 Comment
Read comments
Aug 2 2009
  SACT002854  Castanopsis sempervirens Michael Baad 1977-6-1 Placer Collected at trail head. 0.5 km north of Forest Hill Divide Road. 2 km north of Skunk Spring Comment
  SACT002857  Castanopsis sempervirens Michael Baad 1977-6-2 Placer Collected on trailhead descending to North Fork of American River from south. 2 km northeast of westville and north of Forest Hill Divide Road. 853.0 Comment
  UCD21862  Castilleja Rex Palmer 1979-6-20 N 341 Placer Exact location unknown. Comment
  UCD21863  Castilleja Rex Palmer 1979-7-11 N 573 Placer Exact location unknown. 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
  UCR194698  Castilleja affinis subsp. affinis George K. Helmkamp, E. A. Helmkamp 2007-5-30 12201 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  CHSC9510  Castilleja applegatei subsp. disticha J. F. Goodwin 1971-7-11 162 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  JEPS73654  Castilleja applegatei subsp. pinetorum L. R. Heckard with G. L. Stebbins 1973-6-17 3442 Placer about 7 air mi se Emigrant Gap (on summit of Big Valley Bluff); Big Valley Bluff 1920 Comment
  JEPS9774  Castilleja miniata W. L. Jepson 1918-7-30 7731 Placer Tahoe; Lake Tahoe 1920 Comment
  JEPS9828  Castilleja miniata W. L. Jepson 1918-7-30 7732 Placer Tahoe; Lake Tahoe 1920 Comment
  RSA35122  Castilleja miniata L. S. Rose 1944-7-25 44248 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  SEINET14147652  Castilleja miniata M. J. Williams 1984-7-27 84- 94 -1 Placer Pahatasi Road, S of Soda Springs. 2042 Comment
  UC1713509  Castilleja miniata Katharine Brandegee Placer Cisco Comment
  UC198548  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
  SEINET14063093  Castilleja miniata A. A. Heller 1912-7-20 10590 Placer Summit. 2073 Comment
  CDA16053  Castilleja miniata subsp. miniata G. F. Hrusa, J. Glazner 2000-9-3 15660 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CDA16803  Castilleja miniata subsp. miniata G. F. Hrusa, J. Glazner 2001-7-15 15942 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2316 Comment
  SBBG48681  Castilleja miniata subsp. miniata L. B. Towle 1974-7-12 Placer N of A.D.Hauser cabin, St Hwy 267, King's Beach, Lake Tahoe Comment
  UCD44505  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1871 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44731  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2097 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC20423  Castilleja pruinosa S. A. Harrison 1971-4-12 15 Placer Found at junction of Chub Road and R. R. tracks, ca 4-5 mi ne of Auburn. Comment
  JEPS103926  Castilleja pruinosa T. I. and F. M. Chuang 1991-6-29 7841 Placer Sugar Pine Reservoir Dam. Comment
  JEPS59509  Castilleja tenuis Ezra Brainerd and Viola B. Baird 1915-7-23 261 Placer Tahoe City; Sierra Nevada Mts. 1905 Comment
  JEPS4524  Castilleja tenuis Rimo Bacigalupi and L. R. Heckard 1951-8-9 3490 Placer 2 mi s Tahoe Pines (near shore of Lake Tahoe) 1900 Comment
  UCR208277  Caucalis microcarpa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14634 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  SEINET5339456  Ceanothus W. D. Billings 1951-7-28 2133 Placer Dry slopes near Talbot home Camp, Deadman flat, west side of Sierra Nevada, 20 miles south of Soda Springs. 1676 Comment
  UCD168258  Ceanothus arcuatus M. Bibbo 2017-7-21 201 Placer Tahoe National Forest, Chipmunk Ridge, ca. 1 mile as the crow flies SE of French Meadows Reservoir. 0.63 miles SW off of Forest Service Road 48 along the ridge. 1956 Comment
  CAS-BOT-BC47890  Ceanothus cordulatus Robert M. Rhode; Barbara Nemeth 1997-6-26 168 Placer Lake Tahoe: Blackwood Creek Canyon (c. 4 miles south of Tahoe City), Near Blackwood Creek Canyon Road, Comment
  CAS-BOT-BC47891  Ceanothus cordulatus F. Almeda 1993-7-24 7273 Placer About 15 miles SE of Interstae Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  CHSC9524  Ceanothus cordulatus J. F. Goodwin 1971-7-10 157 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  SCFS5099  Ceanothus cordulatus F. Felix, Erica Krimmel 2013-5-26 48 -B Placer North Fork/Chickering American River Reserve. 0.1 mile south of where Onion creek crosses Cedars Road. Comment
  UC18249  Ceanothus cordulatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3248 Placer near Tahoe (along Truckee River); Truckee River Basin Comment
  UCD36708  Ceanothus cordulatus Beecher Crampton 1955-7-13 2991 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCR242330  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16660 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SACT002902  Ceanothus cuneatus Michael Baad 1983-5-14 Placer 3.0 miles west of Forest Hill on Auburn-Forest Hill Divide Road Comment
  SEINET5339267  Ceanothus cuneatus C. Bell 1962-3-17 36 Placer 2 mi. east of Auburn; above north fork of American River. 244 Comment
  SEINET5339272  Ceanothus cuneatus A. Beninghoff 1930-3-18 1720 Placer 5 mi east Lincoln, Ca. Comment
  UCD123970  Ceanothus cuneatus var. cuneatus D. O. Burge 2009-4-3 1077 c Placer North Fork American River Watershed, Forest Hill Divide, near turn-off for Mammoth Bar OHV Area, Auburn State Recreation Area, roadside on Old Foresthill Road, 1.8 road miles (2.9 km) north-east of intersection with SR 49, 6.1 km 63 deg. (True) ENE of Auburn. 350 Comment
  RSA399058  Ceanothus diversifolius Fay A. MacFadden 1934-3-30 12409 Placer Dutch Flat. Comment
  UCD22202  Ceanothus fresnensis Rex Palmer 1979-5-26 N 4 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  UCD22203  Ceanothus fresnensis Rex Palmer 1979-6-9 N 143 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC50751  Ceanothus integerrimus Amelie Blyth 1952-5-11 9 -3 Placer On road bank, along Auburn-Forest Hill Road, about 14 miles from Forest Hill Comment
  CAS-BOT-BC50762  Ceanothus integerrimus Brandegee 1889-7-1 26 Placer Alta Comment
  RSA399911  Ceanothus integerrimus Wm. Martin 1977-9-10 20277 Placer 2 miles S of Ranger Station, Blue Canyon Creek, Tahoe National Forest. Comment
  RSA782547  Ceanothus integerrimus George K. Helmkamp, Amy Barnes 2009-7-12 15184 Placer Along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UC112945  Ceanothus integerrimus Katharine Brandegee 1908-7-17 Placer Blue Canyon Comment
  UC1602375  Ceanothus integerrimus Katharine Brandegee 1889-7-7 Placer Blue Canyon Comment
  UC338452  Ceanothus integerrimus Lemmon May 1889 Placer Near Blue Canyon Comment
  UC870605  Ceanothus integerrimus A. A. Heller 1917-6-16 12679 Placer Dutch Flat 914 Comment
  SACT002928  Ceanothus integerrimus Stanley Clark 1937-5-1 Placer Native shrub, to 6' tall, flowers white. Comment
  SACT002935  Ceanothus integerrimus var. californicus Josephine Van Ess 1979-5-9 Placer Collected below railroad bridge near highway 49, beside American River. Rocky, sunny river bank, near stream. Comment
  CAS-BOT-BC51153  Ceanothus lemmonii J. Walker 1941-5-11 105 Placer 35 miles past Auburn on Highway 40 on road to Lake Tahoe Comment
  SEINET11192358  Ceanothus parvifolius P. L. Comanor, B. Clark, B. O'Malia 1969-5-15 s.n. Placer Approx. 3 miles west of Colfax plot (1.85 miles from end of railroad bridge Calif. 194), up a dirt road located 1/2 mile past Bear Creek bridge additional 4/10 mi. Comment
  CAS-BOT-BC63353  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63394  Ceanothus prostratus Brandegee 1889-1-1 76 Placer Blue Canyon. Comment
  UCD112644  Ceanothus prostratus Eric Brenner; John Hunter 1996-5-26 014 Placer Big Trees, Mosquito Ridge Rd, Tahoe National Forest. 1740 Comment
  UCD112646  Ceanothus prostratus Beecher Crampton 1956-7-17 3732 Placer Placer County, 1.5 miles north of Blue Canyon. 1524 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
  UCD112659  Ceanothus prostratus R. Prag 1973-6-26 s.n. Placer Ward Valley. 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
  UCR47952  Ceanothus prostratus Robert E. Sholars 1975-5-4 25 Placer Along Auburn-Foresthill Road, 3 miles west of Foresthill Comment
  UCD168144  Ceanothus prostratus William Williams 1990-8-19 s.n. Placer Norden. Soda Springs Ski Hill south side of crest. Plants from same location as those collected by Wm Williams 15 June 1986 (DAV180622). Comment
  CAS-BOT-BC52880  Ceanothus tomentosus var. tomentosus Kath. Brandegee 1908-6-1 s.n. Placer Between Magra and Cape Horn Comment
  CAS-BOT-BC52881  Ceanothus tomentosus var. tomentosus Belle R. Jackson 1932-6-1 s.n. Placer Near Gold Run above Colfax Comment
  UC1071486  Ceanothus velutinus R. Wilson 1934-9-19 75 Placer Squaw Creek Tahoe National Forest, Truckee Quadrangle, Squaw Creek Comment
  SEINET5430947  Ceanothus velutinus E. Neese 1980-10-15 9983 Placer Ca 2 mi E of Cisco- along I-80- 500 ft. Comment
  CAS-BOT-BC52401  Ceanothus velutinus var. velutinus Sachs 1922-7-1 s.n. Placer Lake Tahoe Comment
  RSA186847  Centaurea maculosa T. C. Fuller 1965-8-10 13942 Placer South side of westbound lanes of Interstate 80 freeway, 1.4 miles east of Emigrant Gap; Sierra Nevada 1829 Comment
  UCD132722  Centaurea melitensis Denali Beard 2012-6-12 s.n. Placer Auburn State Recreation Area, in Mammoth Bar OHV area. Also observed along edge of Squaw Flat Trail. 500 Comment
  CDA39018  Centaurea solstitialis D. G. Kelch 2011-10-2 11 .811 Placer Gold Run rest stop. Comment
  HSC104176  Centaurea solstitialis G. K. Helmkamp, E. A. Helmkamp 2012-10-13 20020 Placer Sacramento Valley: Granite Bay, Folsom Lake; Park Rd, 1.8 mi. N or the east end of Douglas Blvd. 146 Comment
  CDA43048  Centaurea stoebe subsp. australis Preston Neufeld 2014-8-28 PDR# 310 P06130020 Placer French Meadows Road, north-northeast of Goggins, near junction of dirt road that runs to Chipmunk Ridge along Chipmunk Creek. Comment
  SD243075  Centaurea stoebe subsp. micranthos George K. Helmkamp, E. A. Helmkamp 2011-8-26 18159 Placer Northern Sierra Nevada Mountains Foothills: Forest Hill Road, 3.5 miles east of its junction with Mesquite Road in the city of Foresthill (Michigan Bluff 7.5'Q) 1402 Comment
  UCD36122  Centaurium tenuiflorum Beecher Crampton 1952-11-9 924 Placer Placer County, 6 miles east of Auburn, 1 mile south of Meadow Vista. 457 Comment
  SDSU7110  Centaurium tenuiflorum D. F. Howe 1961-8-8 3137 Placer By canal 4 miles north of Auburn. 457 Comment
  UC1980595  Centaurium tenuiflorum C. Rose Broome 1978-8-3 2313 Placer Town of Rough and Ready, next to Penn Valley, 29.5 mi E of Marysville on CA Highway 20; 8 mi W of Grass Valley Comment
  CAS-BOT-BC288616  Centromadia fitchii L. R. Abrams 1927-9-13 12153 Placer Lincoln Highway 11 miles E of Auburn Comment
  UC88950  Centromadia fitchii Mrs. K. Curran 1888-9-1 Placer Dutch Flat Comment
  UCD130210  Centromadia pungens R. Tofsrud Date Unknown s.n. Placer County Unknown. Comment
  SEINET11170789  Cephalanthus occidentalis J. F. 1972-10-8 8230 Placer Auburn; along American River in fertile soil 762 Comment
  CAS-BOT-BC384866  Cerastium Saichi Kawahara 1969-5-25 903 Placer Mel Henderson Ranch, east bank of Indian Creek 987 Comment
  CHSC96464  Cerastium glomeratum Lowell Ahart; Brian Williams 2007-4-13 13642 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
  SEINET7347793  Cercis canadensis J. Martin 1959-3-20 s.n. Placer 5 miles west of Colfax on US highway 40, then on a secondary road north 2 miles 366 Comment
  CAS-BOT-BC207587  Cercis occidentalis Marcus E. Jones 1882-7-4 3572 Placer Colfax Comment
  UCD15169  Cercis occidentalis Phyllis Adams 1982-5-9 38 Placer Placer Co.; along Highway 49, in the American River Canyon; 182 Comment
  UCD130250  Chaenactis douglasii Tamara Kan 1992-7-30 s.n. Placer Silver Peak. 2377 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
  CAS-BOT-BC26223  Chaenactis rubricaulis Harriet Ann Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada, Upper Transition Zone 1970 Comment
  NY163287  Chaenactis rubricaulis H. A. Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada 1970 Comment
  UC114137  Chamaebatia foliolosa T. S. Brandegee Sept. 1888 Placer Blue Canyon Comment
  UCD112928  Chamaebatia foliolosa Beecher Crampton 1970-11-10 8653 Placer Nyack. 1524 Comment
  SD243214  Chamaesaracha nana George K. Helmkamp, E. A. Helmkamp 2011-8-26 18185 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. Rocky flat at roadside. 2050 Comment
  UCR233401  Chamaesaracha nana George K. Helmkamp, E. A. Helmkamp 2011-8-26 18185 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  RSA498547  Chamaesyce nutans L. C. Wheeler 1934-7-26 12754 Placer Dutch Flat. Comment
  RSA726432  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2007-11-13 14593 Placer About 1/8 mile east of McCourtney Road, about 5.5 miles (air) northeast of Sheridan. 74 Comment
  UCD103688  Chamerion angustifolium subsp. circumvagum L. M. Sparks 1912-8-4 64 Placer Glen-Alpine. Lake Tahoe. 2103 Comment
  CAS-BOT-BC70191  Cheilanthes gracillima John H. Thomas; Hazelle A. Thomas 1956-7-21 6224 Placer Sierra Nevada, Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD75731  Cheilanthes gracillima Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5171 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
  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
  CAS-BOT-BC451414  Chimaphila menziesii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UCD57932  Chloris verticillata Beecher Crampton 1967-8-21 8177 Placer Interstate Hwy. 80 E, Cirby Way exit, 1.5 miles southeast Roseville. Comment
  SD237255  Chlorogalum pomeridianum G. K. Helmkamp, Amy Barnes 2009-7-12 15172 Placer Sierra Nevada Mountains Foothills: along Foresthill Road at the northeast end of the city of Foresthill. 985 Comment
  CDA42828  Chondrilla juncea G. F. Hrusa, M. Pitcairn 2015-7-16 18651 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  SD72044  Chondrilla juncea John Thomas Howell 1966-7-29 42033 Placer 1.0 mile northeast of Loomis. 120 Comment
  CAS-BOT-BC279802  Chondrilla juncea T. C. Fuller 1965-10-15 14209 Placer E. side of Interstate 80 to Auburn just s. of Penryn overpass, Penryn, Sierra Nevada 182 Comment
  CDA33066  Chondrilla juncea CDFA staff Placer Rocklin. 0 Comment
  CDA37743  Chondrilla juncea William J. Ferlatte 1971-5-3 1328 Placer Southeast corner of Sierra College Blvd. & Brace Rd., about 1 mile southwest of Loomis. 0 Comment
  CDA7390  Chondrilla juncea T. C. Fuller 1965-10-11 14196 Placer Sierra Nevada; On north side of Horseshoe Bar Road, 0.6 mile west of Auburn-Folsom Road, ca. 4 miles east of Loomis. Comment
  UCD130266  Chondrilla juncea A. M. Shapiro 1987-6-6 s.n. Placer city of Auburn, Hwy 49 north of Elm St., in restaurant parking lot (Katrina's Kitchen). 365 Comment
  UCD33678  Chrysanthemum parthenium Beecher Crampton 1971-8-18 8754 Placer Placer County, Lake Tahoe, Tahoe Vista. 1920 Comment
  CAS-BOT-BC36354  Chrysolepis sempervirens George B. Grant 1906-8-1 7039 Placer About Lake Tahoe 2438 Comment
  SBBG1287  Chrysolepis sempervirens E. R. Blakley 1960-8-30 3797 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UCD110126  Chrysolepis sempervirens Beecher Crampton 1975-10-14 9319 Placer Blue Canyon airport area. 1524 Comment
  SEINET11860557  Chrysothamnus nauseosus subsp. albicaulis C. F. Sonne 1884-9-14 s.n. Placer road to Tahoe Comment
  UCD21669  Cicuta douglasii Beth Lowe Corbin 1982-8-12 330 Placer Onion Creek campground. Perennial herb 2.5 feet high. Flowers whitish. In wet soil along streambank. Full sun. SW facing slope, 5% incline. Occasional. 1841 Comment
  SBBG61290  Circaea alpina M. N. Ackley -Jun-1925 731 Placer Lang's Crossing, Bear River 1371 Comment
  SEINET12189143  Circaea alpina subsp. pacifica J. A. Shafer 1884-1 s.n. Placer Comment
  UC30772  Cirsium andersonii Miss M. E. Parsons 1896-8-1 Placer Deer Park Inn, Lake Tahoe Comment
  UCD21710  Cirsium andersonii Beth Lowe Corbin 1982-8-3 204 Placer Onion Creek campground. In fine, sandy, granitic soil. Disturbed area of White Fir forest. Biennial. Flowers dark rose purple. Mostly sun. SW facing slope. Many plants localized. 1841 Comment
  UCR146923  Cirsium arvense Beecher Crampton 1961-9-27 6019 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 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-BC228715  Cistanthe umbellata Geo. B. Grant 1906-7-15 7027 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC228887  Cistanthe umbellata A. A. Heller 1927-8-16 14448 Placer Near the summit of Donner Pass Comment
  CAS-BOT-BC228892  Cistanthe umbellata E. R. Blakley 1960-9-4 3823 Placer Hill one mile north of Carnelian Bay, Lake Tahoe 2072 Comment
  UC634698  Clarkia biloba H. L. Mason 1926-5-28 3270 Placer 5 mi above Auburn Comment
  UCD104314  Clarkia biloba F. A. MacFadden 1934-7-3 s.n. Placer Near Bear River on road from Dutch Flat. Comment
  CAS-BOT-BC163589  Clarkia biloba subsp. biloba H. L. Mason 1926-5-28 3270 Placer Five miles above Auburn Comment
  CHSC98935  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-7 1247 Placer North of Colfax, east side Hwy I-80, south of the Long Ravine railroad trestle. Between I-80 and the frontage road to the east. 658 Comment
  UCD13164  Clarkia biloba subsp. brandegeeae Barbara Yungert 1973-5-27 93 Placer Forest Hill Rd., 2 miles E of junction with Hwy 49. Comment
  CHSC1106  Clarkia purpurea V. Holt 1942-6-12 Placer Near Lincoln. 30 Comment
  CAS-BOT-BC163363  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 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
  UC718218  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-5-12 8613 Placer 1 mi n Lincoln; Sacramento Valley 45 Comment
  CAS-BOT-BC163361  Clarkia purpurea subsp. purpurea W. A. Weber; Lewis S. Rose 1953-5-19 8384 Placer 5 mi. n. of Roseville on road to Lincoln 45 Comment
  SEINET3260810 Image available Clarkia rhomboidea Marcus E. Jones 1882-6-30 2719 Placer Emigrant Gap. Comment
  UCR193338  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2007-5-30 12176 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UC1122463  Clarkia unguiculata N. French, R. Clar 1933-6-5 20 Placer Middle Fork American River Sacramento Quadrangle Comment
  UC422927  Clarkia unguiculata W. W. Mackie 1904-4 Placer Newcastle Comment
  RSA791745  Claytonia parviflora subsp. grandiflora George K. Helmkamp, E. A. Helmkamp 2012-5-5 18919 Placer Northern Sierra Nevada Mountains Foothills: Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air miles southest (123 degrees) of Clementine Dam on the American River. 396 Comment
  UCD41270  Claytonia parviflora subsp. grandiflora Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1726 Placer East of Hwy 80 and town of Colfax, western side of canyon of North Fork of the American River. Along Iowa Hill Road, about 1.8 road miles east of intersection with Canyon Way in Colfax. 518 Comment
  UCD164650  Claytonia parviflora subsp. parviflora Brandi Sorensen 1995-6-1 28 Placer .73 kilometers northwest of Colfax. 671 Comment
  UC198907  Claytonia parviflora subsp. parviflora C. F. Sonne Jun 1896 Placer near Truckee Comment
  CDA32818  Claytonia perfoliata William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  CAS-BOT-BC91457  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 miles southeast of Loomis. 152 Comment
  RSA22507  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 miles SE of Loomis. 152 Comment
  SD241187  Collinsia heterophylla George K. Helmkamp, E. A. Helmkamp 2010-4-17 15897 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 308 Comment
  UC1551949  Collinsia parviflora Aaron Liston 1988-3-14 695 Placer 3.5 mi n of Auburn (Dry Creek Road); Dry Creek Road 450 Comment
  UC885577  Collinsia parviflora Marcus E. Jones, A. M. 1882-6-27 3293 Placer Emigrant Gap Comment
  CDA36880  Collinsia sparsiflora CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  UCD123672  Collinsia sparsiflora var. sparsiflora J. J. Geibel 1965-5-19 13 Placer on Dollarhide Road, 3.5 miles east of Pope Valley. 670 Comment
  POM49312  Collinsia tinctoria Marcus E. Jones 1882-7-3 3433 Placer Colfax. Comment
  RSA785458  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SEINET5796622 Image available Collinsia tinctoria Marcus E. Jones 1882-1 Placer Colfax; 39.10073 -120.953276 Comment
  UCR218242  Collinsia tinctoria George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16430 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  SEINET3480263  Collinsia torreyi L. S. Rose 1941-7-18 1918 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) 1900 Comment
  HSC20610  Collinsia torreyi R. G. Means 1962-6-28 50 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  SEINET13406560  Collinsia torreyi M. J. Williams 1984-6-24 84- 64 -3 Placer E side of Hwy 20, near the intersection with the Diamond Creek Road. 1646 Comment
  UC138688  Collinsia torreyi var. torreyi C. F. Sonne Aug 1897 Placer canyon above Coldstream (Sierra Nevada Mountains); Sierra Nevada Mountains Comment
  UC885529  Collinsia torreyi var. wrightii Alice Eastwood Jun 15 1912-Jun 19 1912 431 Placer Lake Tahoe Region Comment
  UCD21871  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 211 Placer Headwaters basin area of the North Fork of the American River Comment
  UC1123648  Collomia heterophylla N. French 1934-6-15 413 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UC1334175  Collomia heterophylla Thomas Morley 1946-5-31 597 Placer 300 yd ne Masonic Cemetary (shallow gully near small stream); Dutch Flat 1005 Comment
  UCD13352  Convolvulus arvensis M. Winthrop 1989-6-3 2 Placer Placer Co.;:Dry creek exit off 80. T 12N, R 8E, Sect. 16, SW 1/4. Elev. 1200 ft. 365 Comment
  UCD123161  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12629 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCD21874  Cordylanthus tenuis subsp. tenuis Rex Palmer 1979-7-13 N 665 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  JEPS71351  Cordylanthus tenuis subsp. tenuis L. R. Heckard, R. Bacigalupi and T. I. Chuang 1973-7-28 3453 Placer just e Alta Lake 1158 Comment
  UC33148  Coreopsis stillmanii W. H. Brewer 1865-4-10 4520 Placer Auburn Comment
  SCFS1232  Cornus E. Krimmel 2013-1 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Streamside where trail meets water. 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
  CAS-BOT-BC209872  Cornus nuttallii Lowell Ahart 1964-7-3 s.n. Placer Near Placer Queen Mine 1524 Comment
  CDA19553  Cornus nuttallii M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 227 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  CHSC74979  Cornus nuttallii Jonathan M. Irvin 1977-5-30 701 Placer 14.4 miles east of Forest Hills, along Mosquito Ridge Road. 1011 Comment
  CHSC96762  Cornus nuttallii M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 227 Placer Forest Hill Divide. Placer County. UTM: 10S, 4329930 N, 0691823 E. Hughes Mill, along Finning Mill Rd, - 3 mi N of Forest Hill Rd, - 3 mi E of Forest Hill. 1066 Comment
  UC875883  Cornus nuttallii Marcus E. Jones, A. M. 1882-5-28 3304 Placer Emigrant Gap Comment
  UCR246505  Cornus nuttallii Martin J. Beran 1994-5-27 023 Placer Lang Crossing of Hwy 20, South Fork of Yuba River, 20 m from river along dirt road 1415 Comment
  SEINET12137565  Cornus sericea J. H. Nishida 1985-1 773 Placer Homewood 1829 Comment
  UCD22323  Cornus sericea subsp. sericea Rex Palmer 1979-6-20 N 315 Placer Headwaters basin area of the North Fork of the American River Comment
  UC106045  Cornus sessilis T. Brandegee Sept. 1888 Placer Blue Canyon Comment
  CDA7466  Cosmos bipinnatus T. C. Fuller 1962-9-2 9625 Placer Highway 40 to Donner Summit, 2.6 miles east of Blue Canyon Road. 0 Comment
  UCD160953  Crepis G. Ledyard Stebbins 1978-5-29 78104 Placer El Dorado National Forest. Little Crater above Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC376520  Crepis bakeri subsp. bakeri A. A. Heller 1917-6-19 12742 Placer Emigrant Gap 1615 Comment
  CDA15970  Crepis modocensis G. F. Hrusa, J. Glazner 1999-7-17 15120 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS15342  Crepis occidentalis Alice Eastwood Jun 15 1912-Jun 19 1912 460 Placer Tahoe City Lake Tahoe Region Comment
  CAS-BOT-BC290733  Crepis occidentalis subsp. conjuncta Dr. A. Kellogg 1870-6-18 s.n. Placer Camp Yuba - Cisco Comment
  UCD162528  Crepis occidentalis subsp. pumila Steve Matson 2005-7-3 1351 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, east of Martis Creek. 1780 Comment
  SEINET9336239  Croton setiger Unknown 2010-6-26 16370 Placer Sierra Nevada Mountains Foothills Comment
  UCD22119  Cryptantha Rex Palmer 1979-5-27 N 50 Placer Headwaters basin area of the North Fork of the American River 1889 Comment
  UCD43032  Cryptantha C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 401 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  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
  UC1063927  Cryptantha affinis B. Bolt 1934-7-17 127 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 Comment
  UCR240911  Cryptantha affinis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19232 A Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  JEPS71660  Cryptantha humilis Gladys L. Smith 1972-6-20 3211 Placer about terminus of summit chairlift Ward Peak 2621 Comment
  CAS-BOT-BC218774  Cryptantha humilis D. S. Smith 1928-6-27 2419 Placer Tahoe [National] Forest. Above Deer Park on ridge 2286 Comment
  UC24714  Cryptantha intermedia V. Rattan 1860-1 11 Placer Placeville Comment
  UCD150762  Cryptogramma acrostichoides James A. Neilson Jr. 1971-8-31 2579 Placer Tahoe Basin, Buck Lake. 2276 Comment
  UCD22386  Cuscuta californica Beth Lowe Corbin 1982-8-17 358 Placer 2 2/3 miles WSW of The Cedars. NW facing slope, 15% incline. Full sun. Occasional. Rocky outcrop in montane chaparral. Stems pale orange, flowers white, anthers orange. 1938 Comment
  UCD150751  Cuscuta suksdorfii James A. Neilson Jr. 1971-8-31 2553 Placer Tahoe Basin, Blackwood Creek. 2133 Comment
  UCD21634  Cymopterus terebinthinus Rex Palmer 1979-6-20 N 348 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21635  Cymopterus terebinthinus Rex Palmer 1979-6-9 N 136 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  SEINET13943845 Image available Cymopterus terebinthinus Peter H. Raven 1950-1 2436 Placer Brushy granitic hillslope, Ice lakes. to Soda Springs. Comment
  UCSB32294  Cymopterus terebinthinus var. californicus Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UC1585907  Cynoglossum grande Barbara Ertter with David Thompson 1989-4-9 8176 Placer ca. 5 air mi. n.w. Foresthill (Shirttail Canyon Rd. 2.4 mi. from Dipper Rd.) 609 Comment
  SEINET12568163  Cynoglossum grande L. L. Killinger 1962-3-17 s.n. Placer 3 miles E of Auburn on North Fork American River. 396 Comment
  UCD60135  Cynosurus echinatus Beecher Crampton 1955-6-15 2920 Placer 8 miles west Forest Hill. Comment
  UCD60169  Cynosurus echinatus Walter N. Johnson 1956-7-25 s. n. Placer North of Auburn. Comment
  UCR250602  Cyperus eragrostis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20497 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
  UCR258211  Cyperus eragrostis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20045 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
  SEINET6627867  Cystopteris fragilis M. J. Williams 1970-6-23 s.n. Placer [Sierra Nevada] Near Cisco Grove 1722 Comment
  SACT000870  Dactylis glomerata D. Meyer 1983-7-3 Placer 1227.3 Comment
  SACT000874  Dactylis glomerata D. Meyer 1984-5-6 Placer On Garden Bar Road, riparian habitat. 182.0 Comment
  SJSU2066  Dactylis glomerata F. J. Santana 1958-5-10 Placer vicinity of Auburn Comment
  UC816883  Dactylis glomerata Marcus E. Jones, A. M. Jun 1882 3283 Placer Emigrant Gap Comment
  SACT000877  Dactylis glomerata 1925-5-29 Placer No determiner/collector listed. 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
  SACT000892  Danthonia californica var. americana Josephine Van Ess 1974-8-10 Placer Collected on the path to the Castle Creek, Old Soda Springs Road. North of Highway 80. 2085.0 Comment
  UCD60695  Danthonia californica var. americana F. M. Reed and R. L. Pendleton 1907-7-25 1776 Placer Lake Tahoe Region, road near Modjiska Falls, Glen Alpine. 2042 Comment
Read comments
Jun 21 2012
  UCD36425  Danthonia unispicata Beecher Crampton 1953-7-21 1535 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  UCD61345  Danthonia unispicata F. M. Reed; R. L. Pendleton 1907-7-23 1593 Placer Lake Tahoe Region, Grass Lake Trail, Glen Alpine. 2194 Comment
Read comments
Sep 4 2010
  UCR194705  Daucus carota George K. Helmkamp, E. A. Helmkamp 2007-10-28 13104 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  SEINET11111226  Daucus carota A. Ashton 1971-10-9 s.n. Placer E side of Auburn. 305 Comment
  CAS-BOT-BC173276  Delphinium Saichi Kawahara 1969-5-25 1017 Placer Top of ridge east of old house, Mel Henderson Ranch, east of Indian Creek 1036 Comment
  UCR120243  Delphinium depauperatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5024 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  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-BC8779  Delphinium gracilentum L. S. Smith 1925-6-3 1619 Placer Below Yankee Jim, Forest Hill Divide Tahoe National Forest 762 Comment
  RSA149669  Delphinium hansenii Harlan Lewis 1941-5-24 s.n. Placer Auburn Comment
  UC1031398  Delphinium hansenii subsp. hansenii H. Lewis and C. Epling 1941-5-24 Placer Auburn Comment
  UCR218243  Delphinium hansenii subsp. hansenii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16428 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-BC116090  Delphinium nuttallianum John Thomas Howell 1943-7-21 18658 Placer Donner Pass to Mt. Lincoln. Comment
  CAS-BOT-BC116094  Delphinium nuttallianum Alice Eastwood 1912-6-15 490 Placer Lake Tahoe region, Deer Park Comment
  UC854105  Delphinium nuttallianum Lewis S. Rose 1939-6-5 39214 Placer meadow near Emigrant Gap; Bear Valley 1371 Comment
  UC854192  Delphinium nuttallianum C. L. Hitchcock 1940-5-7 6334 Placer ca 1 mi w Baxter Comment
  UC112868  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer between Gold Run and Colfax; Magra Comment
  UCD36666  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer Placer County, 3 miles west of Iowa Hill. 914 Comment
  JEPS68487  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1918-7-30 7734 Placer Lake Tahoe near Tahoe City; Lake Tahoe 1920 Comment
  SACT000912  Deschampsia danthonioides Michael Baad 1983-7-1 Placer Road east of Lake Putt from Blue Canyon exit at I80. 1615.44 Comment
  UCD96974  Deschampsia danthonioides Chuck Hughes 2010-7-13 237 Placer Within 50 ft of north side of Alpine Meadows Road. 1899 Comment
  UCSB46173  Deschampsia danthonioides Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  CAS-BOT-BC201881  Deschampsia elongata L. S. Smith 1939-7-1 s.n. Placer Ice Lake, route to Soda Springs. Tahoe National Forest Comment
  SACT000941  Deschampsia elongata D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  SACT000948  Deschampsia elongata D. Meyer 1984-7-8 Placer At Lakeside. 1758.0 Comment
  UC1778525  Descurainia californica G. F. Hrusa, J. Glazner 1999-7-18 15216 Placer Lake Tahoe Region; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Few in shady dry spot above Squaw Creek just above Hwy 89 bridge 1889 Comment
  CDA12386  Descurainia incana G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8514 a Placer Lake Tahoe; Upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD22366  Descurainia incana subsp. viscosa Rex Palmer 1979-7-12 N 619 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC43030  Descurainia incisa subsp. incisa John Thomas Howell 1943-7-22 18704 Placer Summit Valley. Comment
  CAS-BOT-BC43031  Descurainia incisa subsp. incisa A. A. Heller 1917-8-13 12911 Placer Near Summit hotel. 2133 Comment
  JEPS111246  Descurainia sophia Steve Matson 2005-6-11 1263 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreation Area; SW of Parking Area; 339.2950 N, 120.1420 W; Elevation 5850 ft. 1783 Comment
  UC1126525  Dicentra formosa N. French 1934-5-31 385 Placer 0.5 mi e Texas Hill; Tahoe National Forest, Colfax Quad. 1584 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
  UCR235422  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18955 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  SDSU7279  Dicentra formosa D. R. Harvey 1960-5-29 Placer Between Forest Hill & Colfax. Comment
  SEINET3101750 Image available Dicentra formosa subsp. formosa Marcus E. Jones May? (May has been crossed out and replaced handwriting could not be interpreted) 3302 Placer Emigrant Gap. Comment
  UCD95493  Dicentra formosa subsp. formosa Amelie Blyth 1952-5-11 9- 7 Placer 4 miles W of Iowa Hill, on road from Colfax. 609 Comment
  UCD22166  Dicentra uniflora Rex Palmer 1979-6-21 N 359 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD139236  Dichelostemma capitatum Craig P. Martz 1982-3-7 13 Placer on Sierra College Blvd., 2.3 miles north of Douglas Blvd. intersection. 140 Comment
  SEINET8472402  Dichelostemma capitatum subsp. capitatum J. Martin 1959-4-18 s.n. Placer 6 miles E of Auburn on Hwy 40, then 2 miles N on secondary road. 183 Comment
  SEINET8475422  Dichelostemma capitatum subsp. capitatum P. A. Lehenbauer 1937-4-11 s.n. Placer Auburn. Comment
  UCD139199  Dichelostemma capitatum subsp. capitatum Craig P. Martz; Richard Sannar 1982-3-24 41 Placer both sides of Dowd road, 3 miles south of Sheridan. 30 Comment
  UCD15480  Dichelostemma multiflorum Robert Burke 1984-5-26 21 Placer 16 miles E of Forest Hill Rd on F.S. 97. 1280 Comment
  CAS-BOT-BC502640  Dichelostemma multiflorum Leland S. Smith 1926-5-1 s.n. Placer Road to Tahoe City Comment
  JEPS73981  Digitaria sanguinalis Virginia Bufford 1932-9-9 508 Placer near Colfax; near Colfax Comment
  SACT000968  Digitaria sanguinalis Josephine Van Ess 1976-7-18 Placer Collected just southwest of Seven Cedars Road. Moist roadside ditch. Comment
  UCD32976  Digitaria sanguinalis Beecher Crampton 1965-9-13 7495 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  CHSC3158  Diosma ericoides Gary Dutton 1966-4-29 179 Placer Found 228 Donner Ave. Roseville. Comment
  CAS-BOT-BC153786  Diplacus angustatus C. L. Hitchcock 1940-5-14 6397 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  CAS-BOT-BC150478  Diplacus grandiflorus Marcus E. Jones 1882-6-28 3288 Placer Emigrant Gap Comment
  CAS-BOT-BC150480  Diplacus grandiflorus G. L. Stebbins, Jr. 1952-6-22 5093 Placer 2 miles southeast of Colfax. Along American River north of bridge on road to Iowa Hill 350 Comment
  SBBG50887  Diplacus grandiflorus J. Bockus 1974-5-25 12 Placer near cyn by roadside, Mosquito Ridge Rd, 5.2 mi E of Foresthill Comment
  UCD37040  Distichlis spicata Beecher Crampton 1956-7-17 3721 Placer Placer County, Blue Canyon. 1432 Comment
  UCD53912  Dittrichia graveolens A. M. Shapiro 2004-11-1 s.n. Placer Colfax, construction site opposite 148 Whitcomb St. Comment
  UCD53913  Dittrichia graveolens A. M. Shapiro 2004-11-1 s.n. Placer Rocklin, Taylor Rd. at Stonehouse Court. Comment
  SEINET8564085  Dodecatheon A. Beninghoff 1930-3-15 2585 Placer 5 miles E of Lincoln. 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
  RSA0029341  Dodecatheon alpinum John F. Emmel 1991-7-23 1191 Placer Sierra Nevada, Donner Pass area: seep area on north slope of Mt. Judah, 0.4 air mi west of Donner Peak. 2366 Comment
  SEINET8561476  Dodecatheon clevelandii subsp. patulum A. E. Beninghoff 1930-3-18 2587 Placer 7 miles E of Lincoln. Comment
  SEINET8561743  Dodecatheon hansenii F. Brunetti 1962-3-17 s.n. Placer 2 miles E of Auburn, above North Fork American River. 274 Comment
  UC1561214  Dodecatheon hendersonii Barbara Ertter with David Thompson 1989-4-9 8179 Placer ca 5 air mi nw Foresthill (Shirttail Canyon Road 2.4 mi from Dipper Road); nw of Forestville, Shirttail Canyon Road 609 Comment
  UCD15695  Dodecatheon hendersonii Sook Hong 1989-5-20 3 Placer Just outside of Placer County (?). 670 Comment
  RSA18624  Downingia bicornuta C. B. Wolf 1937-5-12 8623 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  SEINET8039318  Downingia bicornuta D. F. Erskine 1941-4-26 9 Placer 1 mile S of Roseville. 76 Comment
  SFV8424  Downingia bicornuta D. B. Marcum 1969-4-26 68 Placer Sierra Nevada End of Road 5005. 12 Comment
  UCR198528  Downingia ornatissima var. ornatissima George K. Helmkamp, E. A. Helmkamp 2008-4-17 13282 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CAS-BOT-BC41961  Draba albertina Alice Eastwood 1909-1-1 283 Placer Lake Tahoe Region. Ward Pass. Comment
  CAS-BOT-BC41960  Draba albertina C. F. Sonne 1885-7-12 12 Placer Sierra Nevada Mountains. Above Coldstream. 2438 Comment
  CDA12294  Draperia systyla G. F. Hrusa 1989-5-2 7067 Placer Sierra Nevada; 6 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  SCFS1204  Draperia systyla E. Krimmel 2014-6-26 Placer NFAm. Comment
  UCD22270  Drymocallis glandulosa Beth Lowe Corbin 1982-8-3 187 Placer Onion Creek Campground. 1841 Comment
  JEPS127450  Drymocallis glandulosa var. glandulosa Steve Matson 2002-7-5 554 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork Snow Creek; western termination of Tiger Ave. Comment
  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
  SCFS1107  Drymocallis lactea E. Krimmel 2013-6-2 Placer On cliffs beside NF American River, 1/2-mile below Soda Springs road Comment
  CAS-BOT-BC157897  Drymocallis lactea var. lactea John H. Thomas; Hazelle A. Thomas 1956-7-21 6113 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SEINET9315648  Dudleya cymosa Unknown 2009-5-7 14610 A Placer Sierra Nevada Mountains Foothills Comment
  SD257951  Dudleya cymosa Russel Hopper 1975-5-24 54 Placer 1.0 mile east of junction of State Highways 49 and 195 on Highway 49. 669 Comment
  UCR194955  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12039 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  CAS-BOT-BC113797  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  UCD98826  Dysphania pumilio Clarence R. Quick 1962-11-2 62- 92 Placer Badger Hill plantation north of Camino Eldorado National Forest. 1021 Comment
  SEINET242427 Image available Echinochloa oryzoides Joel Kitzmiller 1976-6-24 Placer Pleasant Grove. Growing in rice crop Comment
  UCD138102  Egeria densa W. B. McHenry 1961-7-31 s.n. Placer Reservoir west of Auburn. Comment
  CAS-BOT-BC113376  Eleocharis engelmannii Catherine Best 1984-8-11 1032 Placer South Campground, Camp Far West Reservoir. 91 Comment
  CAS-BOT-BC112912  Eleocharis macrostachya Saichi Kawaha 1969-7-6 1432 Placer Swing near old cabin, east bank of Indian Creek, Mel Henderson Ranch. 999 Comment
  CAS-BOT-BC113159  Eleocharis palustris John Thomas Howell 1943-7-19 18565 Placer Summit Valley Comment
  POM292582  Eleocharis palustris Lyman Benson 1932-7-31 4015 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  UC1100584  Eleocharis palustris Malcolm A. Nobs, S. Galen Smith 1949-8-21 1508 Placer marsh between Sandy Beach and Agate Bay Lake Tahoe, N end; Marsh Plant Survey Comment
  UCD49846  Eleocharis parishii Beecher Crampton 1972-7-26 8857 Placer ca. 1 mile west Cisco, IS Hwy 80 east. 1676 Comment
  CHSC74455  Eleocharis quinqueflora Susi Urie 1998-8-27 98 -122 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UC1925817  Elodea nuttallii David Keil, Kathleen A. Keil 1999-7-17 28379 Placer Along N Fork of Cosumnes River at Lilltle Canyon Road ford Comment
  UCR257596  Elymus caput-medusae George K. Helmkamp, Amy Barnes 2014-3-21 22645 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  CAS-BOT-BC227590  Elymus elymoides Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CHSC67735  Elymus elymoides subsp. elymoides James D. Jokerst 1986-7-13 2728 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  UC790925  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 mi w Colfax 762 Comment
  SACT001084  Elymus glaucus D. Meyer 1983-8-7 Placer Along east bank of Truckee River 1879.0 Comment
  SACT001144  Elymus glaucus D. Meyer 1983-7-24 Placer Moist, shady roadside 1036.32 Comment
  SD81191  Elymus glaucus Darley F. Howe 1971-6-29 Placer 1.4 miles East of Forest Hill 1096 Comment
  UC1131688  Elymus glaucus B. Bolt 1934-8-14 174 Placer Red Star Ridge Tahoe National Forest, Truckee Quadrangle (e slope) Comment
  UCD22250  Elymus glaucus Rex Palmer 1979-7-12 N 615 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD62277  Elymus glaucus B. Bolt. 1934-7-3 74 Placer Top of Sawtooth Ridge, Colfax. 1219 Comment
  CAS-BOT-BC206792  Elymus glaucus subsp. glaucus Kate E. Phelps 1937-5-25 s.n. Placer Applegate Comment
  UCD21597  Elymus glaucus subsp. glaucus E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1261 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  SACT001080  Elymus glaucus subsp. jepsonii D. Meyer 1983-7-24 Placer Moist, shady roadside. 1036.32 Comment
  SACT001087  Elymus glaucus subsp. jepsonii D. Meyer 1983-7-24 Placer North of Interstate 80, roadside. 909.0 Comment
  UCD37110  Elymus multisetus Beecher Crampton 1957-5-7 3979 Placer 3.2 miles N of Roseville, along railroad and U.S. Highway 99E. Comment
  UCD62439  Elymus multisetus John Thomas Howell; Gordon H. True 1971-5-26 47636 Placer Northern limits of Lincoln. 48 Comment
  CAS-BOT-BC204211  Elymus stebbinsii subsp. septentrionalis G. L. Stebbins, Jr. 1952-6-22 5102 Placer Along southeast bank of American River, 1 1/2 miles northeast of bridge on Colfax-Iowa Hill Road 365 Comment
  UCD62736  Elymus trachycaulus subsp. subsecundus R. Tofsrud 1947-7-12 42 Placer Placer County. 1524 Comment
  UCD44628  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1994 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA18048  Elytrigia intermedia K. Connelly 1999-8-2 PDR 1223706 Placer Along side of Rd 8, off of Hwy 89, Truckee. 0 Comment
  CAS-BOT-BC410298  Enemion occidentale Serena Philips 1915-4-2 s.n. Placer Mountains near Alta Comment
  JEPS127501  Epilobium brachycarpum Steve Matson 1998-6-7 324 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267 at base of highway rampart, just west of Martis Creek. Comment
  UCR241760  Epilobium brachycarpum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19809 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  CAS-BOT-BC171701  Epilobium canum subsp. latifolium Margaret Williams 1961-9-30 s.n. Placer West of Donner Pass near Lincoln Peak Comment
  RSA121167  Epilobium canum subsp. latifolium B. Bolt 1934-8-13 169 Placer East slope of Red Star ridge 1860 Comment
  UC69563  Epilobium canum subsp. latifolium Mrs. M. M. Hardy 1893-1 Placer Comment
  UC874274  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer base of a cliff n Summit hotel 2164 Comment
  UCD75735  Epilobium canum subsp. latifolium Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5197 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
  UCD124133  Epilobium ciliatum Ellen Dean; Marcel Rejmanek 2012-10-9 7507 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  CHSC73965  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-8-25 98 -090 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC75290  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-9-3 98 -234 Placer Lake Tahoe Basin--National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  POM46188  Epilobium ciliatum subsp. ciliatum I. E. Diehl 1902-7-7 s.n. Placer Colfax. Comment
  UCD21996  Epilobium ciliatum subsp. ciliatum Beth Lowe Corbin 1982-8-5 249 Placer Onion Creek campground. 1841 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
  UCD163425  Epilobium cleistogamum Robert E. Preston 2015-5-29 3002 Placer 1.8 mi SE of Sheridan, 0.5 mi E of Old Hwy 65, 0.25 mi N of Yankee Slough. 33 Comment
  JEPS59478  Epilobium glaberrimum subsp. glaberrimum Ezra Brainerd and Viola B. Baird 1915-7-22 220 Placer bog opposite Walter's (ne side of road and Truckee River); Sierra Nevada Mts. 1905 Comment
  JEPS111287  Epilobium hallianum Steve Matson 2005-7-4 1375 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
  UCD44422  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1788 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  POM192609  Epilobium hallianum H. M. Hall 1910-07 8748 Placer Sierra Nevada: Soda Springs of the Yuba. 2043 Comment
  UCD42967  Epilobium lactiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 336 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD106511  Epilobium minutum Frederica Bowcutt 1994-7-22 1949 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
  UC108000  Epilobium obcordatum C. F. Sonne 1894-9-2 Placer high Mt. s Summit St. C.P.R.R.; Sierra Nevada Mountains 2590 Comment
  UC1122540  Epilobium obcordatum B. Bolt 1934-7-17 138 Placer 1/2 mi sw Walker Mine (Plot 216); Tahoe National Forest, Truckee Quadrangle Comment
  SEINET12191335  Epilobium obcordatum C. F. Sonne 1885-1 109 Placer 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
  UCD150581  Epilobium torreyi James A. Neilson Jr. 1970-8-5 1753 Placer Tahoe Basin, North Ward Valley, section 17. 2194 Comment
  SBBG198  Equisetum X ferrissii E. R. Blakley 1960-9-2 3806 Placer mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  CAS-BOT-BC56952  Equisetum arvense Geo. B. Grant 1906-7-15 6981 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  UCD43967  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1333 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44508  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1874 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD80278  Equisetum arvense CNPS SN Foothill Team 2005-4-13 SNFN 0107 a Placer Placer Legacy, Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  CAS-BOT-BC57827  Equisetum hyemale subsp. affine E. R. Blakley 1960-9-3 3821 Placer King's Beach, Lake Tahoe. 1905 Comment
  MACF015287  Equisetum hyemale subsp. affine F. A. MacFadden 1933-7-11 0975 Placer Canyon Creek, Monte Vista dun. Placer Co., California Comment
  CAS-BOT-BC57241  Equisetum laevigatum E. R. Blakley 1960-9-3 3822 Placer Kings Beach, Lake Tahoe 1905 Comment
  CAS-BOT-BC204440  Eragrostis cilianensis Catherine Best 1984-8-11 1034 Placer South Camp, Camp Far West Reservoir 91 Comment
  UCD36476  Eragrostis pilosa Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  SEINET5336754  Eremogone kingii var. glabrescens K. Thorne, Jody Chandler 1987-6-26 5448 Placer Blue star memorial Hwy rest stop, Sierra Nevada Mountains. Comment
  UC31081  Ericameria cuneata var. cuneata A. M. Carpenter 1893-8 Placer Comment
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Dec 11 2014
  UC55137  Ericameria discoidea Miss Lydia K. Tangier-Smith 1901-1-1 Placer Tahoe, at the Grove Tahoe Comment
  UC1119826  Ericameria nauseosa N. French 1934-6-17 425 Placer Devils Peak Tahoe National Forest, Truckee Quadrangle, Devils Peak 2346 Comment
  JEPS126380  Erigeron bloomeri var. bloomeri Steve Matson 2000-6-17 431 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267 near parking area and picnic site, 400 yards W of parking lot. Comment
  CHSC74065  Erigeron coulteri Susi Urie 1998-8-13 98 -029 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
  UC1505802  Erigeron coulteri Robert T. Clausen and Harold Trapido 1940-7-13 4891 Placer 2 mi w Lake Tahoe (along Ward Creek); Pacific Slope, Lake Tahoe Basin, Ward Creek 1905 Comment
  JEPS41794  Erigeron coulteri C. F. Sonne 1888-7-1 157 Placer Donner Lake Sierra Nevada Mountains, Donner Lake Comment
  UC148945  Erigeron coulteri H. M. Hall 1910-6-25 8723 Placer opposite Cisco (Rattlesnake Creek); Rattlesnake Creek 1828 Comment
  UCD82965  Erigeron divergens Albert Grigarick 2009-6-15 112 Placer E of Truckee, 1 ft W of west shore of the middle of Martis Creek Reservoir. 1775 Comment
  UCR193335  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-30 12194 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 15 miles east of its junction with Forest Hill Road in Foresthill, south of site of Bake Oven 915 Comment
  UCR208612  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14616 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  SD62080  Erigeron foliosus var. hartwegii Darley F. Howe 1965-5-21 Placer Mouth of canyon on south side of north fork of American River. 305 Comment
  CAS-BOT-BC300815  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12916 Placer Ridge northwest of Donner Pass 2377 Comment
  UC201304  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12916 Placer ridge nw Donner Pass 2377 Comment
  UCD74030  Erigeron glacialis var. glacialis Jennifer W. Burt 2005-7-16 108 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from coniferous forest near abandoned ski runs. 1947 Comment
  CAS-BOT-BC300816  Erigeron glacialis var. glacialis John Thomas Howell 1925-7-6 1395 Placer Trail to top of Mt. Tallac, Lake Tahoe region Comment
  CAS-BOT-BC295212  Erigeron inornatus Alice Eastwood 1909-1-1 269 Placer Lake Tahoe Region. Squaw Creek Comment
  RSA0089880  Erigeron miser Dean Wm. Taylor 2013-8-7 21396 Placer Coldstream Valley, headwaters of Cold Creek, draining the southeast flank of Mt. Judah. 2103 Comment
  UCR257631  Erigeron peregrinus subsp. callianthemus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19533 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
  UCR250079  Eriodictyon californicum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20500 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  UCD119308  Eriodictyon lobbii W. H. Johnson 1958-11-14 s.n. Placer U.S. Highway 40, near Blue Canyon. 1584 Comment
  UCD22025  Eriodictyon lobbii Beth Lowe Corbin 1982-8-3 197 Placer Hill west of Onion Creek Campground. Locally abundant. Full sun, SW facing slope. In fine, sandy, granitic soil of disturbed slide area. Perennial herb, stems somewhat decumbent. Flowers dark purple. 1853 Comment
  UCD21942  Eriogonum Beth Lowe Corbin 1982-8-4 219 Placer 1/4 mile NW of Onion Creek campground. In rocky, fine, sandy soil. Opening in montane chaparral. Perennial forming a thick mat. Flowers creme colored. Full sun. SW facing slope, 15% incline. Uncommon. 1950 Comment
  SCFS1110  Eriogonum incanum E. Krimmel 2013-6-2 Placer Top of Foresthill road, near Am. River gorge overlook Comment
  UC569865  Eriogonum lobbii var. lobbii N. French 1934-6-22 438 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2286 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
  CAS-BOT-BC263291  Eriogonum marifolium var. marifolium Alice Eastwood 1909-1-1 300 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC263293  Eriogonum marifolium var. marifolium James L. Reveal 1971-6-24 2479 Placer Truckee, between the High School and the baseball diamonds Comment
  UCD83594  Eriogonum nudum Albert Grigarick 2009-8-7 163 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2061 Comment
  JEPS126332  Eriogonum nudum var. deductum Steve Matson 1997-7-9 73 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek near dirt roads and powerlines. Comment
  POM165343  Eriogonum nudum var. deductum Allen M. Carpenter 1892-08 s.n. Placer [No location data on label] Comment
  POM165488  Eriogonum nudum var. deductum George B. Grant 1906-7-15 6935 Placer Lake Tahoe. Comment
  CAS-BOT-BC264808  Eriogonum nudum var. deductum Peter Rubtzoff 1976-9-19 8872 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  CHSC45849  Eriogonum nudum var. nudum Lowell Ahart 1972-7-7 141 Placer On bare old gravel bars, near the Middle Fork of the American River, across the river from Ahart Camp, French Meadows. 1615 Comment
  RSA714092  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9993 Placer Northern Sierra Nevada Mts.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca. 2.2 miles west of CA Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  RSA0062468  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2012-9-25 19916 Placer Junction of Nyack Road and I-80 in the Emigrant Gap area. 1652 Comment
  SD234988  Eriogonum nudum var. oblongifolium G. K. Helmkamp, E. A. Helmkamp 2007-9-14 12960 Placer Foothills, Northern Sierra Nevada Mountains: along Mosquito Ridge Road 6 miles east of Foresthill (Foresthill 7.5' Q) 609 Comment
  SD237562  Eriogonum nudum var. oblongifolium G. K. Helmkamp, Amy Barnes 2009-7-12 15182 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  UCD100548  Eriogonum nudum var. oblongifolium G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12960 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road 6 miles east of Foresthill. 610 Comment
  UCR190584  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2007-9-14 12960 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  SD50757  Eriogonum nudum var. pubiflorum Darley F. Howe 1959-8-1 2769 Placer 2 miles north of Auburn 456 Comment
  CAS-BOT-BC266843  Eriogonum ovalifolium var. nivale L. S. Smith 1928-7-18 2479 Placer Ward Peak among rocks, top ridge, Tahoe Forest 2438 Comment
  POM105140  Eriogonum pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax. Comment
  CAS-BOT-BC269941  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  POM263683  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Sandy flats in open forest of Pinus ponderosa and Abies concolor, Chambers Lodge (Mc Kinney), Lake Tahoe. 1900 Comment
  UCR136715  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Sierra Nevada Mtns., Chambers Lodge (McKinney), Lake Tahoe 1921 Comment
  CAS-BOT-BC269938  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer Along Californis [California] Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground Comment
  CAS-BOT-BC205643  Eriogonum umbellatum James R. Shevock 1985-8-9 11335 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  UCD21943  Eriogonum umbellatum Beth Lowe Corbin 1982-8-4 240 Placer 1 1/2 miles NNW of Onion Creek campground. In rocky, fine, sandy soil. Talus slope. Flowers sulfur yellow with red lines on outside. Forming a loose mat at location. Full sun. East facing slope, 50% incline. Uncommon. 2286 Comment
  RSA0028930  Eriogonum umbellatum John F. Emmel 1997-7-25 1512 Placer Sierra Nevada, Donner Pass region; along Pacific Crest Trail south of Donner Pass, ca. 0.5 air mile SE of SE end of Lake Mary. 2287 Comment
  CDA25004  Eriogonum umbellatum var. nevadense J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  RSA420692  Eriogonum umbellatum var. nevadense Fay A. MacFadden 1934-7-9 s.n. Placer Emigrant Gap. Comment
  UCD21936  Eriogonum umbellatum var. nevadense Rex Palmer 1979-5-27 N 79 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22122  Eriogonum umbellatum var. nevadense Rex Palmer 1979-7-11 N 589 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22123  Eriogonum umbellatum var. nevadense Rex Palmer 1979-6-19 N 223 Placer Headwaters basin area of the North Fork of the American River Comment
  UC191310  Eriogonum umbellatum var. torreyanum C. F. Sonne Aug. 1881 Placer near Tinker's Knob Comment
  RSA789732  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  JEPS56206  Eriogonum ursinum C. F. Sonne 1888-7-29 404 Placer Bear Creek Sierra Nevada, Bear Creek Comment
  UCD101538  Eriogonum wrightii Beecher Crampton 1975-10-14 9329 Placer Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  CAS-BOT-BC261916  Eriogonum wrightii var. subscaposum Henry M. Pollard 1936-7-1 s.n. Placer Rainbow Tavern, Donner region 1828 Comment
  UCR193399  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-5-30 12198 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  CAS-BOT-BC301406  Eriophyllum lanatum var. grandiflorum L. S. Smith 1923-5-1 1829 Placer Tahoe National Forest. Forest Hill Divide 762 Comment
  POM66817  Eriophyllum lanatum var. grandiflorum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UC31785  Eriophyllum lanatum var. grandiflorum C. F. Sonne 1891-5-17 17 Placer below Auburn; Sierra Nevada Mountains Comment
  UCD132209  Eriophyllum lanatum var. grandiflorum A. S. Crafts 1926-5-1 785 Placer American River Canyon. 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
  UCR249592  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20830 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UC148941  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-6-10 8753 a Placer Cisco Butte; near type-locality of Bahia cuneata 1950 Comment
  RSA756758  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15214 Placer Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  UCSB16080  Erysimum capitatum var. capitatum 1962-6-13 Placer Truckee River, 7.1 miles south of Truckee; Sierra Nevada 1828 Comment
  RSA101880  Erysimum capitatum var. perenne G. B. Rossbach, Ruth P. Rossbach 1938-7-23 896 Placer S side Donner Pass, just W of Donner Lake. (Several miles W of type locality for E. nevadense Heller). 2226 Comment
  UCD75963  Erysimum perenne Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5230 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. Along undeveloped road downslope of off-road vehicle parking area/turnabout. 2194 Comment
  SEINET13694331 Image available Erythranthe bicolor C. L. Hitchcock 1940-1 6398 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  CHSC74128  Erythranthe corallina Susie Urie 1998-8-13 98 -041 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SEINET14199447  Erythranthe erubescens P. B. Kennedy 1901-8-10 269 Placer Below summit of Tinkers Knob. Comment
  SEINET14217904  Erythranthe guttata F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  CAS-BOT-BC505235  Erythronium grandiflorum A. A. Heller 1917-6-17 12685 Placer Granite rocks near the Yuba river below Cisco 1676 Comment
  CAS-BOT-BC505236  Erythronium grandiflorum Elizabeth McClintock; Wayne Roderick 1968-5-17 s. n. Placer Cisco Grove, northern Placer County Comment
  SEINET13276770 Image available Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2009-1 14557 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 (Auburn 7.5' Q.) 277 Comment
  SEINET3411987 Image available Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-3-31 18645 Placer Sacramento Valley: along CA-193, 0.1 mile W of its junction with Sierra College Blvd. 88 Comment
  UCR172649  Eschscholzia californica George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10198 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
  UCR207851  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2009-4-22 14557 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
  UCR250273  Eschscholzia californica George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20334 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 Comment
  CAS-BOT-BC403344  Eschscholzia californica H. M. Hall 1917-3-9 10290 Placer Lincoln, Sacramento Valley Comment
  SEINET5339915  Eschscholzia californica L. Smith 1979-3-30 s.n. Placer 1 1/2 miles NE on Sisley Rd. off of Taylor Rd. in Penryn CA. Comment
  SEINET5339919  Eschscholzia californica D. H. Erskine 1941-4-27 1 Placer Roseville. 76 Comment
  CAS-BOT-BC419542  Eschscholzia lobbii Alice Eastwood; John Thomas Howell 1937-5-8 4338 Placer Near Auburn on road to Grass Valley Comment
  UC186882  Eschscholzia lobbii C. F. Sonne 1891-4-5 Placer Newcastle-Penryn Comment
  UC894600  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer Summit Hotel 2133 Comment
  UCD132285  Eucephalus breweri D. Sanchez-Mata; S. Rivas, M. Barbour, P. Rodriguez 1997-9-3 s.n. Placer Soda Springs. Soda Springs Road. Tahoe National Forest. Near French Meadows. 2100 Comment
  UCD21707  Eucephalus breweri Rex Palmer 1979-7-25 N 685 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR209749  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2009-8-12 15432 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
  UCR231852  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  CAS-BOT-BC202526  Euphorbia C. L. Hitchcock 1940-5-7 6307 Placer Ca. 1 mile west of Baxter Comment
  UC869049  Euphorbia crenulata C. L. Hitchcock 1940-5-7 6307 Placer ca 1 mi w Baxter Comment
Read comments
Jan 19 2008
  CHSC73007  Eurybia integrifolia L. P. Janeway 1998-8-6 5978 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC73922  Eurybia integrifolia Susi Urie 1998-8-11 98 -004 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74196  Eurybia integrifolia Susi Urie 1998-9-4 98 -268 Placer On north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  JEPS126305  Eurybia integrifolia Steve Matson 1998-8-13 369 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  UC203811  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer near Summit hotel 2133 Comment
  CAS-BOT-BC459216  Euthamia occidentalis G. P. Rixford 1913-9-2 3167 Placer Loomis Comment
  UC1132593  Festuca B. Bolt 1934-7-12 Placer Snow Mountain Truckee Quad. 2438 Comment
  CDA36372  Festuca dertonensis G. K. Helmkamp, E. A. Helmkamp 2009-3-11 14387 Placer Sacramento Valley; Ranch House Road, 0.2 mile south of Sheridan. Comment
  UCD42914  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 282 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD37227  Festuca occidentalis Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SACT001172  Festuca ovina D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT001190  Festuca rubra D. Meyer 1984-7-29 Placer Road south of reservoir moist shady north-facing slope. 1612.0 Comment
  SACT001194  Festuca rubra D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT001202  Festuca viridula Michael Baad 1976-8-25 Placer Crest of peak and ridge east of Grouse Canyon. 2499.0 Comment
  UCD74214  Festuca viridula Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 227 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Central Pacific' ski run. 2196 Comment
  JEPS19568  Floerkea proserpinacoides C. F. Sonne 1886-7-1 344 Placer Sierra Nevada Mountains, canyons on Truckee River Truckee River; Sierra Nevada Mountains, canyons on Truckee River Comment
  UCD43060  Fragaria virginiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 428 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCSB24088  Fragaria virginiana Orr, K. 1966-4-5 Placer 2.2 miles northeast of interstate 80 on Goldrun Rd. 1219 Comment
  SEINET7417536 Image available Frangula californica subsp. californica A. A. Heller 1917-1 12680 Placer near Dutch Flat 914 Comment
  CAS-BOT-BC53545  Frangula californica subsp. tomentella T. S. Brandegee 1888-9-1 s.n. Placer Alta Comment
  CAS-BOT-BC53551  Frangula californica subsp. tomentella A. A. Heller 1917-6-16 12680 Placer near Dutch Flat 914 Comment
  SEINET11243878  Frangula californica subsp. tomentella C. Lane, H. Mozingo 1979-3-31 4 Placer North fork of the Middle Fork of the American River. 518 Comment
  UCD13339  Frangula californica subsp. tomentella Kristy S. Howard 1989-6-3 250 Placer Placer Co.; Dry creek rd. T12N, R8E, Sect. 16, SW 1/4. Elev. 1200 ft. 365 Comment
  SEINET11249894  Frangula rubra A. A. Heller, P. B. Kennedy 1907-7-15 8837 Placer Near mouth of Little Grizzly Creek below Genessee Comment
  CAS-BOT-BC55701  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
  UCR235616  Fritillaria affinis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18911 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
  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
  CAS-BOT-BC504555  Fritillaria atropurpurea Hazelle A. Thomas; John H. Thomas 1956-7-21 6095 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevad 2377 Comment
  CAS-BOT-BC504556  Fritillaria atropurpurea Sherman Chickering 1974-1-1 s.n. Placer Near Soda Spring, Plants of the Sierra Nevada Comment
  CAS-BOT-BC504444  Fritillaria recurva Serena Philips 1915-4-2 s.n. Placer Near Rocklin Comment
  CDA37053  Galium aparine CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCD15080  Galium aparine Alan B. Chan 1977-5-28 31 Placer California, Placer Co.; 20 miles northeast of the Auburn Forest Hill Bridge along Auburn Forest Hill Road, 0.25 miles going south on Auburn Forest Hill Road towards Michigan Bluff; Comment
  UCR250272  Galium aparine George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20335 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 Comment
  UC28188  Galium bifolium Kellogg June 1870 Placer Cisco Comment
  UCD22289  Galium bifolium Rex Palmer 1979-6-20 N 343 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD42915  Galium bifolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 283 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR121487  Galium bifolium George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 A Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  POM67602  Galium bolanderi Marcus E. Jones 1882-6-27 3290 Placer Emigrant Gap. Comment
  UCR206857  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15200 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCD148666  Galium grayanum G. Ledyard Stebbins 1968-8-15 C 6858 Placer Devil's Peak, southeast of Soda Springs. 2286 Comment
  CDA36879  Galium parisiense CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  JEPS26650  Galium sparsiflorum Lauramay T. Dempster 1961-6-14 1443 Placer s-facing slope above Baxter 1188 Comment
  UCD22294  Galium triflorum Beth Lowe Corbin 1982-8-3 201 Placer Hill west of Onion Creek Campground. SW facing slope. Partial sun. Uncommon. In deep conifer duff over fine, sandy, granitic soil of white fir forest. Perennial from underground rootstock. Stems weak, decumbent. 1853 Comment
  SDSU3743  Gamochaeta pensylvanica D. F. Howe 1948-5-21 1908 Placer 457 Comment
  POM78093  Garrya fremontii Marcus E. Jones 1882-5-28 3301 Placer Emigrant Gap. Comment
  SACT001228  Gastridium ventricosum Josephine Van Ess 1979-5-15 Placer Collected on horse trail north from Twin Rocks Road at beginning of chamise area. Edge of chaparral. 152.4 Comment
  SACT001231  Gastridium ventricosum D. Meyer 1983-7-24 Placer Moist, shady roadside. 1036.32 Comment
  SACT001235  Gastridium ventricosum D. Meyer 1984-6-23 Placer And the American River. Rocky riverbank. 352.0 Comment
  CAS-BOT-BC56268  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods; Tahoe National Forest, ca. 20 miles NE of Foresthill; Greek Store. 7 1/2 min. Comment
  POM294351  Gayophytum Lyman Benson 1947-8-12 12795 Placer Near Emigrant Gap, Sierra Nevada mountain range, American River drainage area 1220 Comment
  UCD21987  Gayophytum Rex Palmer 1979-5-27 N 46 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC147607  Gayophytum diffusum subsp. parviflorum Harriet A. Walker 1908-6-25 1304 Placer Cisco 1810 Comment
  RSA462366  Gayophytum diffusum subsp. parviflorum Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  UC873668  Gayophytum humile A. A. Heller 1917-6-17 12716 Placer along river below Cisco; Yuba River 1676 Comment
  UCD150711  Gayophytum ramosissimum James A. Neilson Jr. 1970-1 1936 Placer Tahoe Basin, Lower Ward Creek. 2011 Comment
  UCD150770  Gentiana calycosa James A. Neilson Jr. 1971-8-31 2587 Placer Tahoe Basin, South fork of Blackwood Creek. 2438 Comment
  JEPS72495  Gentiana newberryi Gladys L. Smith 1972-8-25 3432 Placer meadow below Granite Chief n cirque; Granite Chief 2575 Comment
  SDSU7324  Geranium dissectum unknown 1946-5-21 Placer 457 Comment
  UCD103440  Geranium molle K. O'Keefe 1995-6-4 s.n. Placer 3 miles west of Forest Hill (town) on the north side of Forest Hill Road. Sierra foothills, northeast of Auburn, CA. 800 Comment
  UCR188848  Geranium pusillum George K. Helmkamp, E. A. Helmkamp 2007-3-25 11706 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
  JEPS71884  Geum triflorum Gladys L. Smith 1972-8-25 3411 Placer below Watson Monument (trail to Granite Chief) 2590 Comment
  UCR193400  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2007-5-30 12199 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
  SDSU3072  Gilia capitata subsp. pedemontana D. F. Howe 1948-5-23 1849 Placer American River. 305 Comment
  UC193884  Gilia capitata subsp. pedemontana C. F. Sonne 1891-5-17 Placer Colfax Comment
  UC932063  Gilia capitata subsp. pedemontana Verne Grant, Alva Grant 1947-5-5 7970 Placer roadbank near Weimar; near Weimar 670 Comment
  SDSU3084  Gilia leptalea Darley Howe 1978-7-14 Placer Along state HWY 20, 29 miles west of Truckee. 1646 Comment
  SEINET11266062  Gilia leptalea George Helmkamp, E. A. Helmkamp 2011-8-26 18172 Placer Norther Sierra Nevada Mountains: along Forest Hill Road, 0.4 miles of Robinson Flat (Duncan Peak 7.5 Q.); 0 2041 Comment
  UCD55212  Glyceria declinata John Gerlach 2006-5-6 s.n. Placer Twelve Bridges. Comment
  CHSC75334  Glyceria elata Susi Urie; Eric Schroder 1998-9-12 98 -366 Placer Lake Tahoe Basin-National Forest. Meadow complex on the south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  RSA757090  Gnaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2009-7-16 15199 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  UCD21883  Gnaphalium palustre Beth Lowe Corbin 1982-8-3 185 Placer Onion Creek campground. In fine, sandy, granitic soil, in a somewhat disturbed area in open meadow. Annual. Phyllaries whitish. Full sun. Southwest facing slope. Common. 1841 Comment
  CAS-BOT-BC314601  Grindelia hirsutula R. F. Hoover 1965-6-24 9452 Placer 2 mi. N of Auburn on road to Grass Valley (Highway 49) Comment
  SEINET3826192 Image available Hackelia jessicae Sally Walker 1982-8-5 s.n. Placer Ski area on Jahre-Truckee Road Comment
  UCD22140  Hackelia micrantha Rex Palmer 1979-7-12 N 656 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR246829  Hackelia micrantha George K. Helmkamp, E. A. Helmkamp 2010-7-28 16654 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UC710452  Hackelia nervosa Lewis S. Rose 1944-7-10 44054 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UC2042517  Hackelia nervosa Barbara Keller and Holly Forbes 2010-7-13 Placer Tahoe National Forest, Alpine Meadows under Hot Wheels Ski Lift opposite Scott Lift. Comment
  UC112817  Hackelia velutina Katharine Brandegee July 1908 Placer along trail from Emigrant Gap to Blue Canyon Comment
  UC24778  Hackelia velutina Mrs. M. M. Hardy 1893-1 Placer Comment
  UC480844  Helenium bigelovii Katharine Brandegee 1883-8-1 Placer Cisco Comment
  SACT000811  Heleochloa schoenoides Josephine Van Ess 1976-8-11 Placer Collected on outskirts of Lincoln in dried pond near clay plant. Comment
  UC147559  Helianthella californica subsp. nevadensis Harriet A. Walker 1908-6-24 1283 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC314785  Helianthella californica var. nevadensis L. S. Smith 1925-7-10 1665 Placer French Meadows, Tahoe Forest 1828 Comment
  SEINET7067119  Hemizonia pallida A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. UTM Zone 10, 644870mE, 4312473mN. Comment
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Nov 29 2020
  UCR219680  Herniaria hirsuta subsp. cinerea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16373 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  JEPS71649  Hesperochiron californicus Gladys L. Smith and Betsy and Norman Wilson 1972-5-13 3267 Placer Alpine Meadows 2072 Comment
  CHSC47514  Hesperocnide tenella Lowell Ahart 1975-4-7 Placer Around very large granite rocks, about 1/2 mile north-east of the intersection of Wise Road and McCortney Road, north-east of Lincoln. 42 Comment
  CAS-BOT-BC403800  Hesperocnide tenella Lowell Ahart 1975-4-7 s.n. Placer Near Lincoln. In a field 1/4 mile north-east from the intersection of Wise Road and McCourtney Road which is north of Lincoln 39 Comment
  CHSC107390  Heteromeles arbutifolia Blake McSorley 2010-3-19 Placer Hidden Falls near Auburn. 259 Comment
  CDA11996  Heuchera micrantha G. F. Hrusa 1995-5-2 12177 Placer Sierra Nevada; Above North Fork of Middle Fork of the American River, approx. 3 km. east of Mosquito Ridge Rd. crossing . Comment
  UCD15698  Heuchera micrantha Sook Hong 1989-5-20 11 Placer Placer Redwood Grove. 563 Comment
  RSA0062977  Heuchera micrantha var. erubescens Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  SCFS11529133  Heuchera rubescens E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Growing on wet rocks next to stream. Comment
  UC1127194  Heuchera rubescens var. glandulosa N. French 1934-6-19 424 Placer Devils Peak; Tahoe National Forest 2346 Comment
  UC66411  Heuchera rubescens var. glandulosa P. B. Kennedy and S. B. Doten 1901-8-10 270 Placer Devil's Cliff Soda Springs Comment
  CDA42824  Hieracium albiflorum G. F. Hrusa, M. Pitcairn 2015-7-16 18647 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  UCD21776  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR193311  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12187 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  SEINET11259313 Image available Hieracium albiflorum P. A. Lehenbauer 1933-8-6 s.n. Placer Lake Tahoe near Homewood Comment
  UCD133107  Hieracium argutum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11207 Placer Northern Sierra Nevada Mountain. Along the road to Clementine Lake, 0.8 mile north of Forest Hill road. 422 Comment
  CAS-BOT-BC316039  Hieracium scouleri K. Templeton; B. Love 1988-8-6 s.n. Placer Middle Fork American River 423 Comment
  RSA483124  Hirschfeldia incana Wm. Martin 1971-9-11 20287 Placer 1 mile south of Auburn on Hwy. 49, North Fork of American River. Comment
  SACT001283  Holcus lanatus Michael Baad 1977-6-21 Placer Road of Weimar 685.0 Comment
  CAS-BOT-BC311742  Holozonia filipes F. A. Mac Fadden 1934-7-2 12586 Placer N. Fork American River - 1/2 mile E. of Rawhide Mine Comment
  SACT001321  Hordeum Michael Baad 1983-7-23 Placer Tahoe Airport along northeast side of Highway 267 2100.0 Comment
  SACT001299  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of road in moist soil. 2072.64 Comment
  SACT001302  Hordeum brachyantherum D. Meyer 1983-8-7 Placer 2000.0 Comment
  SACT001316  Hordeum brachyantherum Michael Baad 1983-7-10 Placer Open wet meadow. 1524.0 Comment
  SEINET2473479 Image available Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-1 16400 Placer Sierra Nevada Mountains Foothills; Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 590 Comment
  UCD43920  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1286 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SACT001335  Hordeum geniculatum Michael Baad 1977-6-3 Placer Collected in camp, serpentine outcrop at Jeffery Pine. 1219.0 Comment
  SACT001338  Hordeum geniculatum D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  SACT001349  Hordeum jubatum D. Meyer 1983-7-16 Placer 1853.18 Comment
  UCD85696  Hordeum jubatum Beecher Crampton 1964-7-9 7110 Placer Emigrant Gap, US Hwy. 40. 1615 Comment
  SACT001369  Hordeum leporinum D. Meyer 1984-4-15 Placer 2.5 miles north of Baseline Road. Roadside. 64.0 Comment
  CAS-BOT-BC285073  Hordeum marinum subsp. gussoneanum John Thomas Howell; Gordon H. True 1971-5-26 47618 Placer Northern limits of Lincoln 48 Comment
  CDA19572  Hordeum marinum subsp. gussoneanum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 232 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  CDA19573  Hordeum marinum subsp. gussoneanum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 212 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
  SCFS1124  Horkelia fusca E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. On trail 0.2-m from Cedars. Comment
  SEINET6758962  Horkelia fusca subsp. parviflora L. R. Miller 1934-7-8 s.n. Placer Cisco 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
  UC1128153  Horkelia tridentata subsp. tridentata N. French 1934-5-24 359 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  UC567176  Horkelia tridentata subsp. tridentata G. T. Nordstrom 1934-6-21 149 Placer 3 mi n Mammoth Springs (s of Monumental Hill); Colfax quad, North Fork of American River 1584 Comment
  SD237590  Horkelia tridentata var. tridentata G. K Helmkamp, Amy Barnes 2009-7-12 15178 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 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-BC537987  Horkelia tridentata var. tridentata Saichi Kawahara 1969-5-24 847 Placer Near garden, Henderson Ranch, Indian Creek 1005 Comment
  CAS-BOT-BC206148  Hosackia crassifolia W. R. Dudley 1900-6-29 s.n. Placer South of Tahoe City Comment
  SEINET5327380  Hosackia crassifolia var. crassifolia P. B. Kennedy 1901-8-21 428 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  UCD33743  Hosackia oblongifolia var. oblongifolia Beecher Crampton 1972-7-26 8855 Placer Placer County, ca. 1 mile west of Cisco Grove on Interstate 80. 1676 Comment
  UCD106044  Hosackia pinnata R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax, CA. Comment
  JEPS126284  Hydrophyllum capitatum var. alpinum Steve Matson 1998-5-19 191 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  UCR545  Hydrophyllum occidentale Frank C. Vasek 1955-6-29 248 Placer Sierra Nevada Mountains, Sugar Bowl, near Donner Pass [ski area, c. 1 mi. east of Lake Van Norden] 2141 Comment
Read comments
Jul 27 2014
  CHSC74224  Hypericum anagalloides Susi Urie 1998-9-4 98 -271 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UCR200866  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14120 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  SD51286  Hypericum mutilum Darley F. Howe 1961-8-8 3136 Placer 4.0 miles north of Auburn. 456 Comment
  CAS-BOT-BC401265  Hypericum perforatum Brighton C. Cain 1925-8-15 3 Placer 2 miles south of Auburn at Wise Power House Comment
  CAS-BOT-BC401266  Hypericum perforatum Marcus E. Jones 1930-7-11 s.n. Placer Auburn Comment
  CDA5080  Hypericum perforatum Margaret Bellue Aug 1951 Placer Between Auburn and Bowman. 0 Comment
  SEINET5343957  Hypericum perforatum M. J. Williams 1985-7-6 85- 63 -1 Placer Pacific Crest Trail between old and new Donner Summits, Sierra Nevada Comment
  UCD110375  Hypericum perforatum subsp. perforatum G. K. Helmkamp; Elizabeth A. Helmkamp 2006-6-14 10709 Placer Northern Sierra Nevada foothills: 0.2 mile north of Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 488 Comment
  HSC26660  Hypochaeris glabra Thomas W. Nelson 1972-11-25 705 Placer Del Oro Rd. near Roseville Comment
  UCR250630  Hypochaeris glabra George K. Helmkamp, Mary Alice Barnes 2013-5-3 20464 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  CHSC3557  Ilex cornuta Gary Dutton 1966-2-19 62 Placer 227 Donner Ave. Roseville, Calif. in front yard. Comment
  UC1249640  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer ca 1.5 mi s Homewood (along state hwy 89) Comment
  UC54542  Ipomopsis aggregata H. M. Hall and H. P. Chandler 1903-7-1 4550 Placer 10 mi se Truckee; Sierra Nevada, Lake Tahoe vicinity 1981 Comment
  UCR241355  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19820 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.7 mile north of Robinson Flat Campground, about 26 miles northeast of Foresthill, Tahoe National Forest 2034 Comment
  JEPS59447  Ipomopsis congesta Ezra Brainerd and Viola B. Baird 1915-7-19 174 Placer above Deer Park (summit of the Craggs); Sierra Nevada 2514 Comment
  JEPS111163  Ipomopsis congesta subsp. montana Steve Matson 2005-7-16 1397 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  SBBG58776  Iris hartwegii M. N. Ackley -Jun-1925 416 Placer Dutch Flat 1005 Comment
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Feb 9 2017
  CAS-BOT-BC133613  Iris hartwegii G. E. Poore 1913-4-30 188 Placer Tahoe National Forest, Quaker Hill Comment
  RSA136472  Iris macrosiphon Lee W. Lenz, E. K. Balls 1955-5-12 20471 Placer 0.8 mile west of El Dorado - Placer county line, Highway 49 to Auburn 366 Comment
  UC614450  Iris tenuissima L. Constance, J. L. Morrison 1938-4-30 2173 Placer edge of Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  UCR235614  Iris tenuissima subsp. purdyiformis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18913 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
  SEINET5338185  Isopyrum occidentale M. J. Williams, W. Roderick 1967-4-16 s.n. Placer Hway 49 south of Auburn south side of American River. 305 Comment
  RSA655140  Iva axillaris subsp. robustior Beecher Crampton 1956-7-17 3720 Placer Blue Canyon; near railroad. 1433 Comment
  JEPS72258  Ivesia gordonii Gladys L. Smith 1972-6-20 3256 a Placer summit area Ward Peak 2621 Comment
  CAS-BOT-BC340262  Jensia rammii David D. Keck 1933-5-31 2425 Placer 1.5 miles south of Nevada County line (Bear River) on Grass Valley--Auburn Highway Comment
  OBI21159  Juncus amuricus R. F. Hoover 1967-9-5 10843 Placer Carnelian Bay, Lake Tahoe Comment
  CDA15667  Juncus chlorocephalus G. F. Hrusa, J. Glazner 1999-7-18 15211 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD141444  Juncus chlorocephalus L. S. Smith 1915-1 s.n. Placer Squaw Valley. Comment
  UCD74139  Juncus chlorocephalus Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 242 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2151 Comment
  CHSC74141  Juncus confusus Susi Urie 1998-8-11 98 -014 Placer Lake Tahoe Basin Management Unit -- National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  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
  UCD163592  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass quadrangle, 15 minute series). At Serene Lakes Lodge. Comment
  UCR190586  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12957 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  SEINET3879442  Juncus ensifolius Beecher Crampton 1975-9-9 9277 Placer Gold Run rest area on Hwy 80.; 0 914 Comment
  CHSC74023  Juncus nevadensis Susi Urie 1998-9-1 98 -178 Placer Lake Tahoe Basin--National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74295  Juncus nevadensis Susi Urie 1998-9-2 98 -203 Placer Lake Tahoe Basin--National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCD43350  Juncus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 718 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC73106  Juncus orthophyllus L. P. Janeway 1998-8-6 5982 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UCD44501  Juncus orthophyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1867 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC1021594  Juncus oxymeris W. A. Weber and Lewis S. Rose 1953-5-19 8385 Placer 5 mi n Roseville (on road to Lincoln) 45 Comment
  UCD21847  Juncus parryi Rex Palmer 1979-5-27 N 83 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21851  Juncus parryi Rex Palmer 1979-6-19 N 225 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC67855  Juncus uncialis James D. Jokerst 1986-4-14 2625 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. In vernal pools. Comment
  UCD21479  Kalmia polifolia Rex Palmer 1979-7-11 N 550 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM260303  Keckiella breviflora C. Leo Hitchcock 1940-5-14 6413 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  SCFS5072  Keckiella breviflora E. Krimmel, Faerthen Felix 2014-6-26 Placer North Fork American River, Headwaters Basin Comment
  UCD123691  Keckiella breviflora Beecher Crampton 1955-6-15 2882 Placer Dry canyon slopes, Bunch Canyon. Comment
  UCD38469  Keckiella breviflora Beecher Crampton 1955-6-15 2882 Placer Dry canyon slopes, Bunch Canyon. 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
  NY786816  Keckiella breviflora var. breviflora M. J. Williams 1984-6-24 8465- 1 Placer 0.3 mile in from Highway 20, on Bowman Lake Road. 1524.0 Comment
  CAS-BOT-BC246325  Keckiella lemmonii Kay H. Beach 1940-6-30 807 Placer Rocky terrain south of the Yuba River 2 1/2 miles west of Cisco Comment
  NY790327  Keckiella lemmonii C. F. Sonne 1896-8-8 s.n. Placer On road to Tahoe Comment
  UC1063172  Keckiella lemmonii B. Bolt 1934-7-6 83 Placer Sawtooth Ridge; Tahoe National Forest, Colfax Quad. 1249 Comment
  CDA15755  Kelloggia galioides G. F. Hrusa, L. Serafini 1993-6-29 11264 Placer Duncan Creek immed. upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  HSC33450  Kelloggia galioides Thomas W. Nelson, James Nelson 1974-6-17 1359 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  SEINET2470932  Kelloggia galioides K. Christie 2010-6-30 1873 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  UCD22298  Kelloggia galioides Rex Palmer 1979-7-11 N 578 Placer Headwaters basin area of the North Fork of the American River. 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
  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
  CDA24282  Kumlienia hystricula M. S. Bergseng 1959-2-23 Placer Ponderosa Road, across river from Weimar. 0 Comment
  JEPS60686  Kumlienia hystricula R. E. Arp 1932-4-18 12 Placer a few mi above Auburn 457 Comment
  SEINET5338189  Kumlienia hystricula B. Eshelman, Hugh N. Mozingo 1979-3-31 s.n. Placer Near juction with N fork of Middle Fork of American River, Mosquito Ridge road to French Meadows. 518 Comment
  CDA39230  Lactuca serriola D. G. Kelch 2011-10-2 11 .814B Placer Gold Run rest stop. 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-BC341359  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CAS-BOT-BC341354  Lagophylla glandulosa David D. Keck 1932-6-30 1587 Placer 0.3 miles N. of Weimar P.O. 685 Comment
  CAS-BOT-BC341563  Lagophylla ramosissima Catherine Best 1984-8-11 1031 Placer South campground, Far West Reservoir 91 Comment
  JEPS12637  Lagophylla ramosissima W. H. Shockley 1886-6-20 Placer Auburn Comment
  UCR171206  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2006-2-24 10075 Placer Northern Sacramento Valley, Junction of Wise Road and Garden Bar Road east of Ewing 95 Comment
  UCR250188  Lamium amplexicaule George K. Helmkamp, Mary Alice Barnes 2013-4-18 20339 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
  UCR258238  Lasthenia californica George K. Helmkamp, Amy Barnes 2013-3-28 20238 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  CAS-BOT-BC353497  Lasthenia fremontii Brandegee No date on label s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  CHSC96471  Lasthenia glaberrima Lowell Ahart; Brian Williams 2007-4-13 13632 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCD33742  Lathyrus latifolius Beecher Crampton 1972-7-26 8854 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  SEINET5327309  Lathyrus latifolius A. Allen 1950-4-29 26 Placer 9 mi from Folsom on Loomis Folsom road, 244 Comment
  SEINET3828328  Lathyrus nevadensis subsp. nevadensis George K. Helmcamp, E. A. Helmkamp 2012-1 18930 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road. Georgetown 7.5. 778 Comment
  CAS-BOT-BC213270  Lathyrus sulphureus Mrs. Mary E. P. Ames 1892-5-1 s.n. Placer Auburn Comment
  SEINET5327340  Lathyrus sulphureus A. Allen 1950-5-20 43 Placer On Hwy 40, 4 mi W of Gold Run, 914 Comment
  UC30610  Layia fremontii H. N. Bolander 1865-4-11 4548 Placer near Auburn Comment
  SD43623  Layia fremontii Darley F. Howe 1948-5-20 1838 Placer 455 Comment
  SEINET7270125  Ledum glandulosum W. D. Billings 1951-8-21 2150 Placer Sierra Nevada, E. slope of Granite Chief 2377 Comment
  UC1100309  Leersia oryzoides Malcolm A. Nobs, S. Galen Smith 1949-8-22 1542 Placer at sw city limits of Roseville Roseville Comment
  UCR196278  Leersia oryzoides Christopher M. Bronny 2007-9-24 2007- 01 Placer Yuba and Placer Countyu lines, along north and south banks of Bear ARiver below the Hwy 65 overcrossing, c. 1 mi south of Wheatland 26 Comment
  UCR233020  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-5-12 17256 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  UCR258790  Leontodon taraxacoides subsp. taraxacoides George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20034 Placer Sierra Nevada Mountains Foothills, CA-49 at junction with Christian Life Way, c. 2 miles south of Grass Valley 755 Comment
  JEPS82335  Lepidium campestre Gladys L. Smith 1982-6-24 7427 Placer Goose Meadow Comment
  HSC82615  Lepidium lasiocarpum Thomas W. Nelson, Jane P. Nelson 1979-4-11 4606 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UCD70569  Lepidium nitidum Art Shapiro 1998-3-10 s.n. Placer Above N. Fork of American River off Iowa Hill Rd. 640 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
  SEINET3838658  Lepidium virginicum D. Bailey, E. Bailey 2009-7-17 289 Placer Tahoe Basin, along the shore of Lake Tahoe, about 0.75 mile from Tahoe City - Tahoe Tavern. 1894 Comment
  UCD115872  Lepidium virginicum A. A. Heller 1917-8-13 12909 Placer Near Summit hotel. 2133 Comment
  CAS-BOT-BC60088  Lepidium virginicum var. menziesii A. A. Heller 1917-8-13 1753 Placer Near Summit hotel. 2133 Comment
  JEPS71341  Leptodactylon pungens Gladys L. Smith 1972-6-20 3203 Placer Ward Peak; on open plateau about terminus of Summit chairlift 2621 Comment
  UC1123934  Leptodactylon pungens N. French 1934-6-19 426 Placer Devils Peak; Tahoe National Forest, Truckee Quad. 2346 Comment
  CHSC9521  Leptosiphon ciliatus J. F. Goodwin 1971-7-11 163 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  CHSC85737  Leptosiphon harknessii G. F. Hrusa; J. Glazner 1999-7-17 15153 Placer Martis Valley. Off Hwy 267, S of Truckee. 1889 Comment
  UC10691  Lesquerella occidentalis subsp. occidentalis C. F. Sonne June 1887 Placer Rocky Peak on Truckee River Truckee River; Sierra Nevada Mountains, Rocky Peak on Truckee River Comment
  UCD134133  Leucanthemum vulgare R. N. Raynor 1939-5-31 s.n. Placer along Highway 3 miles above Auburn. Comment
  CAS-BOT-BC56394  Leucothoe davisiae L. S. Smith 1925-8-14 1707 Placer Tahoe National Forest, Robertson Flat Pasture 1981 Comment
  UCD21480  Leucothoe davisiae Beth Lowe Corbin 1982-8-24 416 Placer One and 3/4 miles SW of the Cedars. 1950 Comment
  UCR200871  Leucothoe davisiae George K. Helmkamp, E. A. Helmkamp 2008-9-15 14113 Placer Northern Sierra Nevada Mountains, Forestry route 43, 0.3 mile southeast of the east end of Foresthill Road at the junction to Soda Springs, junction is 27 miles northeast of Forest Hill City 2061 Comment
  JEPS73656  Lewisia kelloggii subsp. kelloggii L. R. Heckard with G. L. Stebbins 1973-6-17 3444 Placer about 7 air miles SE of Emigrant Pass (summit of Big Valley Bluff) 1935 Comment
  UC642828  Lewisia nevadensis H. L. Mason 1926-5-30 3330 Placer Kit Carson Pass 2621 Comment
  CAS-BOT-BC444163  Lewisia nevadensis W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  POM101912  Lewisia triphylla Marcus E. Jones 1882-6-28 2629 Placer Emigrant Gap. Comment
  UC852007  Lewisia triphylla Marcus E. Jones, A. M. 1882-5-28 2629 Placer Emigrant Gap Comment
  SEINET5336592  Lewisia triphylla A. A. Heller 1909-7-16 9858 Placer Summit 2134 Comment
  UCD64643  Leymus triticoides Beecher Crampton 1956-7-17 3725 Placer Blue Canyon. 1432 Comment
  CAS-BOT-BC436048  Ligusticum grayi John H. Thomas; Hazelle A. Thomas 1956-7-21 6211 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles NE of Sacramento 2377 Comment
  CDA13666  Ligusticum grayi G. F. Hrusa, J. Glazner 1997-8-3 14026 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC68040  Ligusticum grayi James D. Jokerst 1986-7-13 2705 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  JEPS59354  Ligusticum grayi Ezra Brainerd and Viola B. Baird 1915-7-25 248 Placer Sierra Nevada, Deer Park Rd. 1920 Comment
  SEINET11120010  Ligusticum grayi M. J. Williams 1985-7-6 85- 61 -4 Placer Sierra Nevada, near old Donner Summit [road,] S of Lake Mary. 2286 Comment
  CAS-BOT-BC130528  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  RSA75405  Lilium parvum Albert M. Vollmer, L. Beane 1951-07 190 Placer Bear Valley, east of Nevada City Comment
  SEINET3887477  Lilium parvum Bonnie C. Templeton 1931-7-4 1504 Placer Near Meeks Bay, Lake Tahoe.; 0 2280 Comment
  CAS-BOT-BC508489  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 190 Placer Bear Valley, east of Nevada City Comment
  SEINET12049611  Lilium parvum J. H. Nishida 1985-1 775 Placer Homewood 1829 Comment
  SEINET8480782  Lilium parvum P. A. Lehenbauer 1934-7-8 s.n. Placer Cisco. 1707 Comment
  SEINET7725732  Lilium washingtonianum Unknown Placer Summit Comment
  UCR146678  Limnanthes alba Beecher Crampton 1953-4-13 1096 Placer Sacramento Valley, 2 miles north of Lincoln, Sunnybrook Farm 43 Comment
  SEINET6669335  Limnanthes alba A. Beninghoff 1930-4-20 1508 Placer Lincoln Comment
  RSA752671  Limnanthes alba subsp. alba George K. Helmkamp, E. A. Helmkamp 2008-4-17 13290 Placer Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  SBBG128840  Limnanthes floccosa subsp. californica G. K. Helmkamp, E. A. Helmkamp 2011-4-10 17151 Placer Riosa Rd at the E edge of the village of Sheridan, Sacramento Valley 41 Comment
  CHSC74000  Limosella acaulis Susi Urie 1998-8-19 98 -081 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SDSU3171  Linanthus bicolor D . F. Howe 1951-5-2 2111 Placer 4.0 miles N of Auburn. 457 Comment
  SEINET3163744  Linanthus bicolor G. B. Grant 1906-7-20 696 Placer Pacific Coast; Lake Tahoe 1829 Comment
  SD120817  Linanthus dichotomus W. H. Shockley 1880-5-7 Placer Near Roseville Comment
  CDA15938  Linanthus harknessii G. F. Hrusa, J. Glazner 1999-7-17 15153 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA0051410  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp 2012-6-19 19235 Placer Foresthill Road, 6.9 miles east of its junction with Devil s Thumb Road. 1973 Comment
  UCR240726  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp 2012-6-19 19235 Placer Northern Sierra Nevada Mountains, Foresthill Road, 6.9 miles east of its junction with Devil's Thumb Road 1973 Comment
  CDA20510  Linaria purpurea T. Purciel 2004-9-16 PDR 1332106 Placer Northern California; Grove and Fairway Streets, Rocklin. 0 Comment
  UC217663  Linaria vulgaris Katharine Brandegee Placer Donner, Summit House Donner; , Summit House Comment
  CDA15969  Linum lewisii var. lewisii G. F. Hrusa, J. Glazner 1999-7-17 15117 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR253226  Linum lewisii var. lewisii George K. Helmkamp, Amy Barnes 2014-4-23 22814 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  CAS-BOT-BC36162  Lithocarpus densiflorus var. densiflorus D. L. Smith; G. L. Stebbins 1976-7-4 C 7682 Placer Little Crater, on north side of Ralston Ridge. 1463 Comment
  RSA300578  Lithocarpus densiflorus var. densiflorus John Dourley, Walter Wisura 1982-10-13 3860 Placer 7.3 mi SW of Emigrant Gap, along forestry rd. 19. 1402 Comment
  UCD22322  Lithophragma glabrum Rex Palmer 1979-6-20 N 323 Placer Headwaters basin area of the North Fork of the American River Comment
  UC78968  Lithospermum californicum Katharine Brandegee 1899-7-6 Placer Shady Run Comment
  UC79326  Lithospermum ruderale C. F. Sonne June 1886 Placer <Road to Lake Tahoe> Comment
  JEPS21757  Lithospermum ruderale C. F. Sonne 1896-1-7 692 Placer along trail below Blue Canyon Comment
  SACT001440  Lolium multiflorum D. Meyer 1983-6-5 Placer along roadside. 487.68 Comment
  SACT001456  Lolium perenne Michael Baad 1977-6-2 Placer 8.5 miles southwest of junction of Deadwood Road and Foresthill Divide Road. 666.0 Comment
  CAS-BOT-BC226936  Lomatium caruifolium var. denticulatum George K. Helmkamp; E. A. Helmkamp 2011-4-10 17169 Placer Sacramento Valley: along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  UCR234211  Lomatium caruifolium var. denticulatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17169 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  JEPS126308  Lomatium dissectum var. multifidum Steve Matson 2001-5-28 487 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, 400 yards south power lines, 300 yards west of Golf course. Comment
  JEPS72676  Lomatium nevadense var. nevadense Gladys L. Smith 1972-6-20 3249 Placer just below Ward Peak Summit 2628 Comment
  UCR194931  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12012 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SDSU2374  Lomatium utriculatum unknown 1948-5-21 1930 Placer 457 Comment
  SEINET9675004  Lomatium utriculatum M. Dailey 1959-4-12 11 Placer 4 miles east of Roseville on the north side of U.S. Highway 40. 76 Comment
  SEINET9687132  Lomatium utriculatum C. Aarstad, H. Mozingo 1979-4-1 s.n. Placer 1.2 mile E of junct. of old and new Auburn-Forest Hills Road 792 Comment
  UCR231874  Lonicera hispidula var. vacillans George K. Helmkamp, E. A. Helmkamp 2010-10-16 17021 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  SEINET3523669 Image available Lotus C. L. Hitchcock 1940-5-7 6322 Placer 1 mi W of Baxter Comment
  RSA0039066  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20345 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR250593  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20467 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UC148632  Lotus incanus Katharine Brandegee 1908-6 Placer Cape Horn Comment
  CDA36893  Lotus micranthus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCR208613  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14614 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  RSA293385  Lotus oblongifolius Reino Alava 1958-5-2 1994 -A Placer About four miles from auburn along the road to Nevada City. Comment
  UC147593  Lotus oblongifolius var. oblongifolius Harriet A. Walker 1908-6-24 1289 Placer Blue Canyon 1432 Comment
  RSA621876  Lotus oblongifolius var. oblongifolius R. S. Woglum 1934-08 1307 Placer Northern Sierra Nevada Mountains: Lake Tahoe. [Placer / El Dorado counties] Comment
  UC65764  Lotus oblongifolius var. oblongifolius P. B. Kennedy and S. B. Doten 1901-8-15 406 Placer 6 mi from French Meadows Comment
  JEPS102594  Lotus purshianus var. purshianus Lowell Ahart 2001-10-10 9346 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  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
  UC1129126  Lotus scoparius N. French, R. Clar 1933-6-6 75 Placer near Rattlesnake Bridge (locally near the American River); Sacramento Quad. 609 Comment
  CAS-BOT-BC175722  Lotus scoparius var. scoparius G. K. Helmkamp; E. A. Helmkamp 2007-5-18 12036 Placer Northern Sierra Nevada Mountains Foothills: along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  RSA122898  Lotus unifoliolatus B. Bolt 1934-7-20 154 Placer Whiskey Hill. 1646 Comment
  RSA406277  Lotus unifoliolatus L. S. Rose 1946-6-23 46185 Placer Rainbow, north of Cisco. 1738 Comment
  RSA0035850  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  CDA19552  Lupinus albifrons var. collinus M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 249 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
  UCD106274  Lupinus albifrons var. collinus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11713 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road at the junction with the unnamed road to Lake Clementine. 139 Comment
  JEPS64891  Lupinus andersonii W. L. Jepson 1918-7-30 7723 Placer near Tahoe City; Lake Tahoe, near Tahoe City 1920 Comment
  CAS-BOT-BC8276  Lupinus arbustus subsp. silvicola Amos Arthur Heller 1909-7-16 9857 Placer Summit 2133 Comment
  CAS-BOT-BC208831  Lupinus argenteus var. meionanthus Alice Eastwood 1912-6-15 405 Placer Deer Park, Lake Tahoe Region Comment
  UCR250592  Lupinus benthamii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20362 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  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
  UCR235595  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2012-5-5 18922 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
  UCR257019  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-4-23 22778 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
  UC126943  Lupinus formosus Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET8042255  Lupinus grayi A. Allen 1950-4-29 45 Placer Highway 40, 2 miles above Glen Alder following a sharp curve to left, 914 Comment
  RSA26143  Lupinus latifolius subsp. longipes J. T. Howell 1951-6-28 27662 Placer Jamison Creek. 1585 Comment
  SEINET8051302  Lupinus latifolius var. columbianus W. D. Billings 1940-5-18 1314 Placer [Sierra Nevada] Gold Run, placer ruined region Comment
  UC82550  Lupinus latifolius var. viridifolius P. B. Kennedy and S. B. Doten 1901-8-18 412 Placer 7 mi from French Meadows (Talbots Home Camp); 7 mi from French Meadows, Talbots Home Camp Comment
  OBI48718  Lupinus lepidus var. confertus Lewis S. Rose 1941-7-23 41356 Placer Chambers Lodge, (McKinney) Lake Tahoe 1920 Comment
  SEINET3246089  Lupinus lepidus var. confertus G. K. Helmkamp, E. A. Helmkamp 2007-1 12640 Placer Northern Sierra Nevada Mountains: 0.1 miles south of the Rainbow exit from Interstate-80, 0.5 miles east of Rainbow. 1789 Comment
  UC127525  Lupinus lepidus var. confertus Miss Harriet A. Walker 1908-7-28 1483 Placer Bank of Yuba River Cisco (Cisco); Bank of Yuba River Comment
  SEINET8051739  Lupinus lepidus var. lobbii M. J. Williams 1966-7-11 55 Placer Sierra Nevada, Luther Ridge, above Jamison creek 2286 Comment
  CDA12397  Lupinus lepidus var. sellulus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8525 A Placer Lake Tahoe; Upper Ward Valley, 4 miles SW of Tahoe City. Comment
  UCR171401  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp 2005-9-30 9964 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
  UC1481901  Lupinus lepidus var. sellulus D. B. Dunn, LeDoux and Kenney 1973-6-26 21040 Placer 0.4 mi e Norden Post Office (approaching Donner Pass); , e of the Norden Post Office Comment
  UCR250082  Lupinus microcarpus var. densiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20506 Placer Northern Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Forest Hill Bypass (Old Auburn-Foresthill Rd.), northeast of Auburn 445 Comment
  SD43642  Lupinus microcarpus var. densiflorus Darley F. Howe 1948-5-21 1860 Placer Placer County 456 Comment
  UC518942  Lupinus microcarpus var. densiflorus David D. Keck 1933-6-1 2433 Placer on road to Folsom Loomis (Loomis city limits) Comment
  UCR258987  Lupinus nanus George K. Helmkamp, Amy Barnes 2014-3-21 22626 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 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
  SEINET8059935  Lupinus polyphyllus var. burkei P. L. Comanor, B. Clark, B. O'Malia 1969-5-15 s.n. Placer Approx. 3 miles west of Colfax plot (1.85 mi. from end of railroad bridge on Calif. 194), up a dirt road located 1.2 mile past Bear Creek bridge additional 4/10 mi Comment
  SEINET8060070  Lupinus polyphyllus var. burkei Trevitt 1932-7-5 s.n. Placer [Sierra Nevada] Tahoe Vista Comment
  JEPS65459  Lupinus stiversii Alice King 1920-8-2 Placer Rattlesnake Bend Comment
  JEPS127405  Luzula comosa var. laxa Steve Matson 2006-4-23 1603 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCD162581  Luzula comosa var. laxa Steve Matson 2004-7-31 1076 Placer nSNH; Tahoe Basin; Blackwood Canyon (west shore), about 1 mile ESE of Barker Pass; 20 south of road, 20 meters east of creek. 2316 Comment
  CAS-BOT-BC436667  Luzula comosa var. laxa Dr. Kellogg 1870-6-16 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  CHSC9127  Luzula comosa var. subsessilis J. L. Wilson 1970-3-25 220 Placer U.S. Forest Station, Foresthill, Tahoe National Forest. In a lawn area in front of the office, Box 277. 984 Comment
  UC473449  Luzula macrantha A. Kellogg 1870-6-16 Placer Cisco Comment
  JEPS103591  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
  RSA0011311  Lythrum hyssopifolia I. E. Diehl 1902-7-7 s.n. Placer Colfax. Comment
  CHSC81794  Lythrum portula Lowell Ahart 2001-10-10 9344 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
  UCR173733  Madia citrigracilis George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10703 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-BC343778  Madia elegans David D. Keck 1933-6-1 2435 Placer 1 mile south of Loomis on road to Rocklin Comment
  CAS-BOT-BC342838  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  CAS-BOT-BC342841  Madia glomerata Peter Rubtzoff 1976-9-18 8839 Placer Lake Van Norden 2063 Comment
  CDA13697  Madia glomerata G. F. Hrusa, J. Glazner 1997-8-3 14057 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  JEPS126350  Madia glomerata Steve Matson 1998-7-28 353 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt roas extension of North Ave. at junction with west fork of Snow Creek. Comment
  UCD75734  Madia glomerata Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5196 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, side of undeveloped road near hairpin turn. 2160 Comment
  CAS-BOT-BC434231  Madia gracilis George K. Helmkamp; E. A. Helmkamp 2012-6-19 19219 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  JEPS119434  Madia gracilis George K. Helmkamp, Ann Kerchner, Amy Barnes 2011-7-26 17855 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 Comment
  UC905680  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco west slope Sierra Nevada 1804 Comment
  UCR241744  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19219 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  POM260281  Madia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  SCFS11529137  Maianthemum racemosum E. Krimmel, F. Felix 2012-9-13 Placer NFAm, downstream from Cedars. On streambank. Comment
  CAS-BOT-BC512083  Maianthemum racemosum subsp. amplexicaule John H. Thomas; Hazelle A. Thomas 1956-7-21 6121 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento; Sierra Nevada 2377 Comment
  SEINET12049609  Maianthemum racemosum subsp. amplexicaule J. H. Nishida 1985-1 786 Placer Homewood 1829 Comment
  CHSC74032  Maianthemum stellatum Susi Urie 1998-8-28 98 -144 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  RSA377710  Maianthemum stellatum Bonnie C. Templeton 1931-7-4 1502 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  UCD130321  Malva neglecta Albert Grigarick 2011-8-31 305 Placer Alpine Meadows Ski Resort. Approx. 140 yds W of headquarters. 2130 Comment
  UCR257599  Malva parviflora George K. Helmkamp, Amy Barnes 2014-3-21 22642 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  JEPS74306  Marah fabacea John Thomas Howell, Gordon H. True 1972-3-17 7074 Placer 1 1/2 mi w Lincoln (just s of Auburn Ravine) 48 Comment
  UC28955  Marah watsonii Bolander 4533 Placer Auburn Comment
  JEPS65513  Medicago polymorpha W. H. Shockley June 1886 Placer Auburn Comment
  UCR249540  Medicago polymorpha George K. Helmkamp 2013-3-1 20149 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  UCD22010  Medicago sativa Beth Lowe Corbin 1982-8-5 252 Placer Onion Creek campground. In dry, disturbed ground between stream and road. Tall, diffuse perennial herb, 4' high. Flowers dark purple. Full sun. SW facing slope, 5% incline. Uncommon. 1841 Comment
  JEPS75173  Melica bulbosa Gladys L. Smith 1972-6-20 3261 Placer Ward Peak 2590 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
  UCR253128  Melica californica George K. Helmkamp, Amy Barnes 2014-4-23 22808 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  UCD149395  Melica geyeri G. Ledyard Stebbins 1976-7-4 7681 Placer Little Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1153839  Melica harfordii Beecher Crampton 1955-6-15 2897 Placer 5.5 mi w Iowa Hill (Shirttail Canyon); Shirttail Canyon Comment
  CDA16816  Melica stricta G. F. Hrusa, J. Glazner 2001-7-15 15955 Placer Sierra Nevada; Uncommon perennial in small colonies, growing in soil catchments on rocks, subalpine N summit face of Crows Nest Pk. immed. W of Sugarbowl. 2346 Comment
  UCD149728  Melica subulata G. Ledyard Stebbins 1977-7-9 7769 Placer Along trail from McKinistry Lake to Rubicon River. (Exact location unknown. Coordinates estimated by label maker.) 1889 Comment
  SACT001540  Melica torreyana Michael Baad 1983-4-17 Placer 411.48 Comment
  JEPS126287  Mentzelia dispersa Steve Matson 1998-6-21 260 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters north of Highway 267. Comment
  CAS-BOT-BC428533  Micranthes aprica Betty J. Jorgensen 1944-6-24 492 Placer Cascade Lakes about 6 miles S.W. of Soda Springs Comment
  UCD102830  Micranthes californica G. L. Stebbins 1970-4-4 6989 Placer Shirttail Canyon, on road from Colfax to Forest Hill, ca. 1/2 mile east of crossing of North Fork American River. 457 Comment
  SEINET6033445  Micranthes californica K. Terrell 1960-3-17 s.n. Placer South fork of American River, 2 miles from Placerville 792 Comment
  SEINET6033609  Micranthes integrifolia A. Beninghoff 1930-3-15 1572 Placer Virginia Town. Comment
  CAS-BOT-BC349322  Microseris nutans Geo. B. Grant 1906-7-15 6955 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC349328  Microseris nutans Alice Eastwood 1909-1-1 75 Placer Lake Tahoe Region. Sunnyside Comment
  UCD82964  Microsteris gracilis Albert Grigarick 2009-6-15 111 Placer E of Truckee, 30 yds. W of the S end of Martis Creek Reservoir. 1777 Comment
  UCR208568  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14602 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UC566985  Mimulus aurantiacus var. grandiflorus N. French 1934-5-29 376 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle 1463 Comment
  UCD122310  Mimulus aurantiacus var. grandiflorus A. S. Crafts 1926-5-1 1950 Placer American River Canyon. Comment
  RSA791127  Mimulus breweri Rex Palmer 1979-6-20 N- 328 Placer Near Chickerings. Headwaters Basin Area of the north fork of the American River. [Chickerings may refer to Sherman Chickering's Soda Springs holdings 5 mi se of Donner Lake.] 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
  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
  UCD21875  Mimulus guttatus Beth Lowe Corbin 1982-8-19 382 Placer 1 3/4 miles SSW of The Cedars. 1950 Comment
  UCR193362  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12183 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  UCR218120  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16395 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CDA41804  Mimulus guttatus Rex Palmer 1979-7-19 N 227 Placer Headwaters Basin Area of the North Fork of the American River. 0 Comment
  UCD13373  Mimulus guttatus A. M. Shapiro 1996-7-30 s.n. Placer Iowa Hill Rd., ca. 1/2 mile S. Colfax. 603 Comment
  SDSU122  Mimulus kelloggii David M. Thompson, Barbara Ertter 1989-4-9 997 Placer 3.0 mile road NE of Shirttail Creek bridge along Shirttail Canyon Road. 500 Comment
  CDA41699  Mimulus leptaleus S. E. Schoenig 1998-8-29 98 84 b Placer Adjacent to trail Glacier Lake, 0.5 miles east of intersection with Sand Ridge Trail. Comment
  CDA12424  Mimulus lewisii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8553 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD21878  Mimulus lewisii Beth Lowe Corbin 1982-8-3 175 Placer Onion Creek campground. 1841 Comment
  UC1063156  Mimulus microphyllus N. French 1934-5-28 371 Placer 1 1/2 mi w Black Mt.; Tahoe National Forest, Colfax Quadrangle Comment
  UCD122690  Mimulus microphyllus M. H. Mills 1996-4-21 165 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCD21890  Mimulus microphyllus Rex Palmer 1979-7-19 N 227 Placer Exact location unknown. Comment
  UC125208  Mimulus moniliformis Katharine Brandegee July 1908 Placer near Cisco Comment
  CDA15642  Mimulus moschatus G. F. Hrusa, J. Glazner 1999-7-18 15212 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CDA33293  Mimulus moschatus Rex Palmer 1979-7-9 N 436 Placer Headwaters Basin area of the North Fork of the American River. Onion Creek Meadow #2 0 Comment
  POM298034  Mimulus moschatus var. longiflorus A. A. Heller 1917-8-12 12875 Placer West of Emigrant Gap. Comment
  UC59504  Mimulus primuloides Ezra Brainerd and Viola B. Baird 1915-7-22 258 Placer e Truckee River (1 mi above Bear Rock); Sierra Nevada Mts. 1898 Comment
  CDA16796  Mimulus tilingii G. F. Hrusa, J. Glazner 2001-7-15 15935 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2286 Comment
  SEINET12765191  Minuartia californica Barbara Ertter 1991-3-29 9719 Placer 2-3 miles south of Lincoln.; 0 46 Comment
  HSC82611  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1979-4-11 4602 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  CAS-BOT-BC432908  Mitella John H. Thomas; Hazelle A. Thomas 1956-7-21 6203 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CHSC97702  Mollugo verticillata Lowell Ahart 2007-11-13 14598 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  OBI39809  Monarda citriodora Joy H. Nishida 1985-7-10 776 Placer Homewood 1829 Comment
  UCD38470  Monardella breweri subsp. lanceolata Beecher Crampton 1955-6-15 2880 Placer Bunch Canyon. 2.5 miles south of US Hwy. 40, road to Forest Hill. Comment
  SEINET3996429 Image available Monardella odoratissima Lewis S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  UCD75954  Monardella odoratissima Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5205 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
  CAS-BOT-BC222100  Monardella odoratissima subsp. pallida H. M. Hall 1910-7-1 8731 Placer Sierra Nevada Mountains. Cisco 1828 Comment
  CAS-BOT-BC318566  Monardella odoratissima subsp. pallida A. A. Heller 1919-7-26 13320 Placer Donner pass. 2194 Comment
  CAS-BOT-BC318590  Monardella odoratissima subsp. pallida Geo. B. Grant 1906-7-20 7055 Placer Tahoe Tavern, Lake Tahoe Comment
  CHSC67818  Monardella odoratissima subsp. pallida James D. Jokerst 1986-7-13 2739 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap'. Comment
  CHSC9525  Monardella odoratissima subsp. pallida J. F. Goodwin 1971-7-10 160 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi sw of Cornelian Bay. 1981 Comment
  SEINET3246123  Monardella odoratissima subsp. pallida G. K. Helmkamp, E. A. Helmkamp 2007-1 12642 Placer Northern Sierra Nevada Mountains: Donner Pass Road between Donner and Norden, about 0.2 miles east of the Nevada Co. border. 2150 Comment
  UC25497  Monardella odoratissima subsp. pallida J. Burtt Davy Jun 25 1897-Jun 30 1897 3238 Placer Road from Truckee and Tahoe Truckee River Basin Comment
  UCR201923  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2008-8-20 14030 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
  UCR233392  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2011-8-26 18168 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  CAS-BOT-BC222104  Monardella odoratissima subsp. pallida Mary P. Wells 1980-9-11 s.n. Placer Alpine Meadows by Bear Creek, opposite stable 1950 Comment
  RSA0017405  Monardella odoratissima subsp. pallida Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  SEINET10582103  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 272 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  JEPS30737  Montia chamissoi Miles Eaton 1945-6-13 30 Placer Big Meadows 1615 Comment
  CAS-BOT-BC444854  Montia fontana Marcus E. Jones 1882-6-27 3279 Placer Emigrant Gap Comment
  UC1949381  Montia fontana Barbara Ertter with Niall McCarten and Tom Fraser 1991-3-29 9722 Placer 2-3 miles south of Lincoln Comment
  SJSU9129  Montia linearis L. Hooker 1965-6-27 Placer by Hwy 89 c. 4.5 mi S of Truckee 1828 Comment
  CDA15989  Muhlenbergia filiformis G. F. Hrusa, J. Glazner 1999-7-17 15171 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. . 1889 Comment
  SACT001586  Muhlenbergia filiformis D. Meyer 1984-7-15 Placer At edge of Serene Lake. 1909.0 Comment
  SACT001590  Muhlenbergia filiformis D. Meyer 1984-7-29 Placer 1661.0 Comment
  UCD43911  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1277 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC275181  Muhlenbergia montana G. L. Stebbins 1977-7-9 7768 Placer Along trail from McKinistry Lake to Rubicon River 1767 Comment
  UCD149725  Muhlenbergia montana G. Ledyard Stebbins 1977-7-9 7768 Placer Along trail from McKinistry Lake to Rubicon River. (Exact location unknown. Coordinates estimated by label maker.) 1767 Comment
  UCR201933  Muhlenbergia richardsonis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14027 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  SACT001604  Muhlenbergia rigens Michael Baad 1983-7-15 Placer 1.8 miles east of junction with road to Brushy Springs. Open rocky slope. 1524.0 Comment
  CAS-BOT-BC515662  Muscari botryoides Shannon Wright 1994-5-13 7 -5 Placer Hwy 80 above truckee on Placer-Nevada county line Comment
  UC854359  Myosurus apetalus Alice Eastwood Jun 15 1912-Jun 19 1912 467 Placer Tahoe City; Lake Tahoe Region Comment
  JEPS127532  Myosurus apetalus var. montanus Steve Matson 2000-7-6 463 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, east of Martis Creek, east of logging road. Comment
  CHSC82630  Navarretia 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. 1780 Comment
  JEPS127419  Navarretia capillaris Steve Matson 1998-7-12 334 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area600 meters north Highway 267 and 100 meters west of Martis Creek. Comment
  JEPS127454  Navarretia capillaris Steve Matson 1998-6-21 263 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  UCD21616  Navarretia divaricata E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1265 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  JEPS111232  Navarretia divaricata subsp. divaricata Steve Matson 2005-6-12 1271 Placer Martis Valley, ca 5 miles southeast of Truckee, Northstar subdivision,west of 267, near entrance road just east of gas station; 39.2873 N, 120.1068 W; Elevation 6200 ft. 1889 Comment
  CHSC83178  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer 3 miles north of Roseville, on Highway 99E. Along railroad right of way. Comment
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Aug 1 2011
  UC990914  Navarretia eriocephala D. F. Howe 1951-5-2 Placer Comment
  JEPS70306  Navarretia filicaulis Katharine Brandegee Jul 1908 Placer Cape Horn Comment
  UC879942  Navarretia filicaulis Marcus E. Jones, A. M. 1882-7-3 3417 Placer Colfax Comment
  RSA35119  Navarretia intertexta subsp. propinqua L. S. Rose 1944-7-26 44289 Placer Truckee River, 7 mi. N of Lake Tahoe 1799 Comment
  SEINET14058121  Navarretia intertexta subsp. propinqua F. H. Hillman s. n. Placer Between Truckee and Lake Tahoe Comment
  SD38789  Navarretia leptalea Dr. De Forest 1931-5-4 2064 B Placer Crystal Lake Comment
  CHSC79789  Navarretia leptalea subsp. bicolor G. F. Hrusa; J. Glazner 1999-7-18 15224 Placer Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1905 Comment
  UC1123763  Navarretia leptalea subsp. bicolor B. Bolt 1934-7-12 112 Placer Devil's Peak Tahoe National Forest, Truckee Quad. 2042 Comment
  SD121552  Navarretia leucocephala Jack L. Reveal 1987-5-22 2877 Placer vernal pools; Pleasant Grove Creek on Stanford Ranch northwest of Rocklin 79 Comment
  SEINET196217  Navarretia propinqua Herbert L. Mason 1940-8-3 12203 Placer Squaw Creek Valley, N fo Lake Tahoe. 1890 Comment
  SCFS5088  Nemophila F. Felix, Erica Krimmel 2013-5-19 30 Placer North Fork American River, 0.5 mile east of Heath Falls overlook, on trail Comment
  UC880880  Nemophila heterophylla C. L. Hitchcock 1940-5-7 6321 Placer ca 1 mi w Baxter; w of Baxter Comment
  UC606928  Nemophila heterophylla L. Constance, J. L. Morrison 1938-4-30 2171 Placer at eastern edge Applegate (Sierra Nevada foothills); , e edge Applegate 609 Comment
  UC24195  Nemophila maculata H. N. Bolander 1865-4-13 4566 Placer New Castle Comment
  SEINET3224819 Image available Nemophila spatulata Marcus E. Jones 1882-6-30 2816 Placer Emigrant Gap. Comment
  CAS-BOT-BC7235  Nemophila tenera Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  UCD38899  Nicotiana acuminata var. multiflora Beecher Crampton 1959-7-23 5422 Placer 6 miles north of Folsom. Comment
  CAS-BOT-BC349911  Nothocalais alpestris L. S. Smith 1928-6-28 2422 Placer Tahoe National Forest. Miller Lake Range 2042 Comment
  UC1076296  Orobanche californica subsp. grayana Herbert L. Mason 1932-9-9 7177 Placer Cisco. Comment
  JEPS72369  Orobanche corymbosa subsp. corymbosa Gladys L. Smith 1972-8-25 3413 Placer Below Watson Monument trail to Granite Chief. Comment
  UCD150741  Orobanche uniflora James A. Neilson Jr. 1971-6-30 2162 Placer Tahoe Basin, Lower Ward Creek, Plot # 130. 1935 Comment
  UCR173258  Orobanche uniflora George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10446 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  SJSU6215  Orthilia secunda R. L. Fisher 1959-8-12 Placer 2 mi W of L Van Norden 1981 Comment
  CAS-BOT-BC458057  Orthilia secunda C. F. Sonne 1885-10-11 209 Placer Sierra Nevada Mts: Summit at Lake Angeline Comment
  POM286516  Orthocarpus hispidus Lyman D. Benson 1932-7-31 4021 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  POM216214  Orthocarpus linearilobus D. D. Keck 1933-5-31 2426 Placer Just south of Auburn on road to Roseville. 305 Comment
  UCD127774  Osmorhiza berteroi G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12049 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  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
  SEINET11132386  Osmorhiza berteroi F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  UCD41250  Osmorhiza brachypoda Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1706 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main St. 1066 Comment
  UCSB17656  Osmorhiza brachypoda Hardham, Clare 1961-6-14 Placer Rte. 40 Baxter Comment
  SJSU10635  Oxyria digyna R. L. Fisher 1959-8-16 Placer Anderson Peak 2670 Comment
  UC585239  Paeonia brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1575 Placer 2 mi w Cisco Comment
  UCD36704  Panicum acuminatum var. fasciculatum Beecher Crampton 1955-7-13 2987 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  CAS-BOT-BC253674  Panicum capillare Catherine Best 1981-6-17 s.n. Placer Highway 80 Rest Stop near Gold Run 990 Comment
  UCD34029  Panicum capillare subsp. hillmanii Beecher Crampton 1975-9-9 9281 Placer Placer County, Alta, Hwy. 80. 1188 Comment
  SACT001633  Panicum dichotomiflorum Josephine Van Ess 1976-9-15 Placer Collected on the bank of reservoir on road to dam. Amoung rocks, dry where water receded. 76.2 Comment
  JEPS127557  Parnassia fimbriata Steve Matson 2004-8-22 1117 Placer nSNH: Tahoe Basin west shore; Blackwood Canyon, 1/2 mile SE of Barker Pass. Comment
  UCD88726  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer 1 mile west of Auburn, along U.S. Highway 40. Comment
  CAS-BOT-BC259737  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile N of Lincoln Comment
  RSA0030825  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln. Comment
  SEINET4670718  Paspalum urvillei B. Crampton 1965-9-13 7499 Placer Gold Run, Interstate Hwy 80 975 Comment
  SD44726  Pectocarya pusilla Darley F. Howe 1941-5-3 Placer 825 Comment
  JEPS59356  Pedicularis attollens Ezra Brainerd and Viola B. Baird 1915-7-7 101 Placer Squaw Valley; Sierra Nevada Mountains 1981 Comment
  CHSC11093  Pedicularis racemosa Lowell Ahart 1968-8-11 Placer French meadows. 1524 Comment
  UC1294000  Pedicularis racemosa E. F. Sprague 1957-7-14 1598 Placer up slope behind Rainbow Tavern (and to e end of road, Hwy 40) 1828 Comment
  CHSC11064  Pedicularis semibarbata Lowell Ahart 1969-7-30 Placer Near Handy Camp, French Meadows. 1524 Comment
  JEPS111208  Pedicularis semibarbata Steve Matson 2005-7-4 1364 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  CAS-BOT-BC69377  Pellaea breweri Miss. M. E. B. Norton s.n. Placer Deer Park Springs, Sierra Nevada 2133 Comment
  CHSC32010  Pellaea bridgesii L. Ahart 1972-6-28 127 Placer French Meadows. 1524 Comment
  UC197901  Pellaea bridgesii C. F. Sonne 1886-7-5 Placer Summit Station 2194 Comment
  CAS-BOT-BC77151  Pellaea mucronata subsp. mucronata C. D. MacNeill 1961-4-24 s.n. Placer Near Applegate 609 Comment
  CHSC24729  Pellaea mucronata var. californica T. C. English 1976-4-11 14 Placer N. Fork American River. 2 mi. W. Hwy 49 Bridge, 400 yds. N. abandoned R. R. 335 Comment
  SEINET9885426  Penstemon azureus David J. Keil 1978-1 12930 Placer Cisco Grove exit from I-80, just E of Nevada Co line; around South fork of Yuba River 1768 Comment
  JEPS111301  Penstemon azureus var. azureus Steve Matson 2005-8-7 1452 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.8 km NW of Silver Peak at northeast corner of flatter area near Bradley Hut; 39.2312 N, 120.2615 W; elev. 7,700 ft. 2346 Comment
  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
  UC163936  Penstemon azureus var. azureus H. M. Hall 1910-6-19 8702 Placer Cisco 1800 Comment
  UC1063380  Penstemon deustus H. S. Yates 1934-6-29 3901 Placer near Craigs; Tahoe National Forest, Truckee Quad. 1981 Comment
  JEPS71736  Penstemon deustus var. pedicellatus Gladys L. Smith 1972-6-20 3226 Placer Ward Peak Ward Peak (steep exposed ridge from charilift terminus to ultimate summit peak) 2632 Comment
  SEINET2470931  Penstemon gracilentus K. Christie 2010-6-30 1872 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  RSA408085B  Penstemon heterodoxus M. V. Hood 1939-7-4 s.n. Placer Upper Soda Springs. Comment
  CAS-BOT-BC264485  Penstemon heterodoxus var. heterodoxus A. A. Heller 1917-8-13 12921 Placer Ridge NW of Donner Pass 2377 Comment
  CAS-BOT-BC264486  Penstemon heterodoxus var. heterodoxus A. A. Heller 1917-8-13 12921 Placer Ridge NW of Donner Pass 2377 Comment
  UCD33548  Penstemon laetus Beecher Crampton 1969-7-1 8487 Placer 1/4 mile W of Emigrant Gap post office on Interstate Hwy. 80. Comment
  SD243211  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill. 1402 Comment
  UCR233369  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  SEINET3835855 Image available Penstemon laetus subsp. leptosepalus Marcus E. Jones 1882-7-1 3434 Placer Emigrant Gap 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
  UCD69249  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
  UCD21911  Penstemon newberryi Rex Palmer 1979-7-11 N 574 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA285590  Penstemon newberryi subsp. newberryi D. C. Michener 1981-7-16 4011 Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  CAS-BOT-BC239281  Penstemon newberryi var. berryi Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe Comment
  JEPS59360  Penstemon roezlii Ezra Brainerd and Viola B. Baird 1915-7-29 110 Placer along Truckee River near Bear Rock Camp; Sierra Nevada Mts., Truckee River 1889 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
  UCD43936  Penstemon rydbergii var. oreocharis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1302 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  RSA401883  Penstemon speciosus Bonnie C. Templeton 1931-7-5 1510 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  RSA101445  Penstemon speciosus R. Weatherby 1955-6-22 1534 Placer Road to Spanish Peak lookout. 1829 Comment
  UC27437  Penstemon sudans C. J. Fox Jr. July 1893-July 1895 Placer near Squaw Peak; near Squaw Peak Comment
Read comments
Sep 7 2007
  UCD164637  Pentagramma triangularis subsp. triangularis Brandi Sorensen 1995-6-1 27 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD21638  Perideridia bolanderi Rex Palmer 1979-6-21 N 422 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC74181  Perideridia lemmonii Susi Urie 1998-9-2 98 -211 Placer Below Hwy 28, between the highway and lake Forest Road; about 0.2 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  CAS-BOT-BC222764  Perideridia parishii Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UCD42830  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 196 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA37229  Petrorhagia prolifera CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC24402  Phacelia egena Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET5764677  Phacelia hastata var. compacta M. J. Williams 1985-7-6 85- 63 -5 Placer Pacific Crest Trail between old and new Donner Summits. Sierra Nevada. Comment
  JEPS3234  Phacelia hydrophylloides L. S. Smith 1928-6-19 2370 Placer Ice Lakes Range Tahoe <National> Forest 2133 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
  UC24386  Phacelia imbricata State Survey 1865-4-13 4580 Placer dry hills Newcastle Comment
  JEPS1195  Phacelia marcescens M. E. Jones 1882-6-27 3294 Placer Emigrant Gap Comment
  RSA0009549  Phacelia marcescens Marcus E. Jones 1882-6-27 3294 Placer Emigrant Gap. Comment
  UC1051801  Phacelia mutabilis Malcomb Nobs 1950-9-24 Placer e slope Squaw Peak 2133 Comment
  UC147628  Phacelia mutabilis Harriet A. Walker 1908-6-24 1267 Placer Blue Canyon 1432 Comment
  SEINET5507914  Phacelia nemoralis P. B. Kennedy, S. B. Doten 1901-8-18 416 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  POM65397  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer Cisco. 1804 Comment
  SEINET5506817  Phacelia racemosa K. Brandegee 1908-7-15 s.n. Placer Cisco Comment
  JEPS73660  Phacelia stebbinsii L. R. Heckard with G. L. Stebbins 1973-6-18 3450 Placer s side of river about 1/2 mi e Star Town (site) (about 13 air mi ne of Foresthill); North Fork of Middle Fork of American River 1310 Comment
  CHSC69644  Phacelia vallicola James D. Jokerst 1988-6-6 3006 Placer Long Creek Hydro Project, ca. 1 mi W of Ramsey Crossing, N of Long Canyon Creek. Comment
  CAS-BOT-BC259075  Phalaris lemmonii L. R. Abrams 1935-4-20 13685 Placer Roseville Comment
  CAS-BOT-BC259076  Phalaris lemmonii L. R. Abrams 1935-4-20 13685 Placer Roseville, Sacramento Valley Comment
  RSA21280  Phalaris lemmonii C. B. Wolf 1937-5-12 8624 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  SACT001730  Phalaris tuberosa var. stenoptera Josephine Van Ess 1976-5-12 Placer Collected at small stream west of Bankherd Street 91.5 Comment
  SBBG120612  Philadelphus lewisii G. K. Helmkamp with E. A. Helmkamp 2006-6-14 10705 Placer 0.2 mi N of Forest Hill Rd on unnamed rd to Lake Clementine (general area NE of Auburn on Forest Hill Divide) 488 Comment
  SBBG50764  Philadelphus lewisii H. Fong 1973-5-27 146 Placer Mosquito Ridge Rd, ca. 2 mi from French Meadows Rd jct 1524 Comment
  UC11451  Philadelphus lewisii Mrs. M. M. Hardy 1893-1 Placer Comment
  UC565948  Philadelphus lewisii N. French and A. E. Wieslander 1933-6-18 79 Placer Middle Fork of American River Placerville Quadrangle 457 Comment
  SEINET177601  Philadelphus lewisii subsp. californicus Marcus E. Jones 1882-7-3 3586 Placer Colfax. Comment
  SACT001734  Phleum alpinum Michael Baad 1983-8-21 Placer Collected on road between lakes from Soda Springs. 2.2 miles southwest of I80 exit to Soda Springs. 2019.0 Comment
  SACT001737  Phleum alpinum Michael Baad 1976-8-4 Placer Ascent of creek bed draining Midred Lakes. Comment
  UCD43335  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 703 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC74170  Phleum pratense Susi Urie 1998-8-25 98 096 A Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74342  Phleum pratense Susi Urie 1998-8-29 98 -164 Placer Lake Tahoe Basin-National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. Meadow complex. 2115 Comment
  SACT001752  Phleum pratense D. Meyer 1983-6-25 Placer 1418.0 Comment
  UCD89614  Phleum pratense Beecher Crampton 1956-7-17 3728 Placer Blue Canyon. Comment
  UC480746  Phlox diffusa W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Lake Tahoe Region Comment
  CDA12295  Phlox gracilis G. F. Hrusa 1989-5-2 7066 Placer Sierra Nevada; Mosquito Ridge Road about 15 km. beyond crossing of North Fork of Middle Fork of the American River. Comment
  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
  SEINET12230738  Phoradendron libocedri I. L. Wiggins 1930-1 5084 Placer near Cisco 1981 Comment
  CAS-BOT-BC58830  Phyllodoce breweri F. Almeda 1993-7-24 7254 Placer Sierra Nevada - About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 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
  UC197271  Phyllodoce breweri C. F. Sonne Aug. 1897 Placer Mount Anderson 2590 Comment
  CAS-BOT-BC76935  Pilularia americana John Thomas Howell; Gordon H. True 1972-3-17 7077 Placer Northern outskirts of Lincoln. 48 Comment
  RSA7667  Pinus attenuata C. B. Wolf 1933-9-24 5492 Placer 7 miles above Calfax on the Trukee road. W slope of Sierra Nevada. 884 Comment
  CAS-BOT-BC78464  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit [valley] Valley 2118 Comment
  UC1076347  Pinus contorta subsp. murrayana Herbert L. Mason 1929-10-4 5476 Placer Placerville road summit Johnson Pass 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
  UCD23235  Pinus jeffreyi Beth Lowe Corbin 1982-8-25 420 Placer Onion Creek campground. 1841 Comment
  UCD37505  Pinus lambertiana Beecher Crampton 1960-11-2 5800 Placer town of Gold Run. 975 Comment
Read comments
Mar 12 2011
  JEPS46845  Pinus monticola Dr. J. C. Hawver 1908-1-1 Placer near Summit; , (on C. P. R. R.) Comment
  POM177610  Pinus monticola I. L. Wiggins 1930-10-12 5082 Placer Donner Summit. 2175 Comment
  SEINET5334725  Pinus monticola W. D. Billings 1951-8-21 2152 Placer E. side of Granite Chief, Sierra Nevada 2621 Comment
  IRVC9005  Pinus ponderosa Pamela I. B. Roeber 1974-10-20 66 Placer 3 miles S of Foresthill on Auburn-Foresthill Road. 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
  JEPS59487  Piperia unalascensis Ezra Brainerd and Viola B. Baird 1915-7-23 238 Placer Sierra Nevada Mts., Tahoe City, Bliss' Grounds Tahoe City; Sierra Nevada Mts., Tahoe City 1912 Comment
  UCD34187  Pistacia terebinthus Beecher Crampton 1977-9-30 9533 Placer Placer County, Applegate. Comment
  CAS-BOT-BC169824  Plagiobothrys A. A. Heller 1917-8-12 12877 Placer Southern Pacific Reservoir W of Emigrant Gap Comment
  HSC82272  Plagiobothrys austiniae Thomas W. Nelson, Jane P. Nelson 1979-4-11 4598 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UC882301  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer ca 1 mi w Baxter Comment
  CHSC117460  Plagiobothrys cusickii B. Castro; Jessica Boyt 2013-9-11 2000 Placer Northern High Sierra Nevada. Plumas National Forest;W edge of Frenchman Lake, at boat ramp NW of 'Lunker Point' site on maps. 1703 Comment
  JEPS60951  Plagiobothrys cusickii W. H. Shockley June 1882 322 Placer Soda Springs; summit Comment
  UCD120824  Plagiobothrys fulvus var. campestris M. H. Mills 1996-4-12 134 Placer Corner of Eden Oaks Circle and Walden Lane, Loomis. 180 Comment
  CHSC96469  Plagiobothrys greenei Lowell Ahart; Brian Williams 2007-4-13 13637 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
  CAS-BOT-BC230947  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 291 Placer Lake Tahoe Region. Ward Pass Comment
  CAS-BOT-BC230950  Plagiobothrys hispidulus Alice Eastwood 1909-1-1 26 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC230954  Plagiobothrys hispidulus Geo. B. Grant 1906-8-1 6932 Placer About Lake Tahoe Comment
  UC78006  Plagiobothrys hispidus C. F. Sonne 1888-7-21 Placer w slope Washoe Mts. Washoe Mts.; w slope Washoe Mts. Comment
  CHSC114671  Plagiobothrys nothofulvus CDFA Staff 1998-4-22 Placer Dry Creek. Comment
  UCR207899  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14583 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  RSA21279  Plagiobothrys stipitatus var. micranthus C. B. Wolf 1937-5-12 8622 Placer Sacramento Valley, 1 mi N of Lincoln 46 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
  SDSU5434  Plagiobothrys trachycarpus D. F. Howe 1951-5-1 2105 Placer 457 Comment
  RSA756487  Plantago erecta Barbara J. Ertter, David Thompson 1989-4-8 8157 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  POM69140  Plantago lanceolata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  JEPS102730  Plantago major Lowell Ahart 2001-10-10 9337 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
  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
  UCD44560  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1926 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SJSU9113  Platanthera dilatata var. leucostachys N. D. Addy 1962-7-8 174 Placer Hwy 89, 1.5 mi N of Fallen Leaf Lake 1920 Comment
  RSA35140  Platanthera leucostachys Lewis S. Rose 1944-7-25 44255 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UCR200864  Platanthera leucostachys George K. Helmkamp, E. A. Helmkamp 2008-9-15 14118 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  RSA382899  Platanthera leucostachys George Henry Grinnell 1932-8-17 a.n. Placer [County: Placer or El Dorado] Near lake Tahoe. Comment
  LA206293  Platystemon californicus Carl B. Wolf; 1937-3-30 8352 Placer Sacramento Valley, 1.5 mi. E of Lincoln on Penryn Road 60 Comment
  SEINET5340049  Platystemon californicus B. Adams 1956-3-27 20 Placer Plowed field about 2 miles south of Roseville. 152 Comment
  SEINET8530800  Plectritis ciliosa A. Beninghoff 1930-4-20 2957 Placer 6. mi S of Auburn, California Comment
  UCR257072  Plectritis ciliosa subsp. insignis George K. Helmkamp, Amy Barnes 2014-4-23 22784 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
  SDSU11330  Plectritis macrocera D. F. Howe 1948-5-23 1905 Placer American River 305 Comment
  UCR198054  Plectritis macrocera R. B. Kelley 1985-5-12 186 Placer Stevens Trail, at end of North Canyon Road, near Colfax 634 Comment
  SEINET7236701  Pleuricospora fimbriolata M. J. Williams 1984-6-24 84- 62 -3 Placer Skillman Flat Campground, near Highway 20 1341 Comment
  SACT001782  Poa annua D. Meyer 1984-5-6 Placer 145.5 Comment
  CAS-BOT-BC254762  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer Base of a cliff, N of Summit hotel 1676 Comment
  UC820685  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer below Cisco (along Yuba river) 1676 Comment
  SEINET10659108  Poa bolanderi A. Arthur Heller 1917-6-17 Heller 12701 Placer Low, gravelly places along the Yuba River below Cisco. Pinus Murrayana and Populus trichocarpa are the trees, several species of willow plentiful. Granite. 1676 Comment
  UCR249537  Poa bulbosa George K. Helmkamp, Amy Barnes 2013-3-28 20294 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  SACT001847  Poa gracillima Michael Baad 1983-7-10 Placer 19.52 km from Emigrant Gap along road to Helester Point, open rocky slope to left of road. 1524.0 Comment
  SACT001860  Poa incurva Michael Baad 1983-8-11 Placer On trail from Creek to Mildred Ridge 2133.0 Comment
  SACT001864  Poa incurva 1976-7-17 Placer Collected on trail 1.6 km west of Alpine Meadows, open brushy slopes on granite. 2133.0 Comment
  CDA24992  Poa palustris J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Moist meadow betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SACT001890  Poa palustris D. Meyer 1984-8-26 Placer 1818.0 Comment
  SACT001894  Poa palustris D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line. Roadside. 1758.0 Comment
  CDA24993  Poa pratensis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Moist area on wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  SACT001910  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot mist streambank and meadow. 1879.0 Comment
  SACT001917  Poa pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center near lake shore. 1891.0 Comment
  SACT001943  Poa pratensis D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line, roadside wash. 1758.0 Comment
  SEINET10959569  Poa pratensis John Thomas Howell 1943-7-19 Howell 18567 Placer Summit Valley Comment
  CHSC69981  Poa pratensis subsp. pratensis L. P. Janeway; Eric Schroder 1997-7-17 5245 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
  SACT001886  Poa pringlei Michael Baad 1976-7-21 Placer Ridge at the line west north west of Lyon Peak, and north-facing slope at crest of Lyon Peak. 10 miles southeast of Soda Springs. 2377.0 Comment
  SEINET10954309  Poa sandbergii A. Arthur Heller 1917-8-13 Heller 12917 Placer Ridge Northwest of Donner Pass on a steep gravelly slope below a ledge of igneous rock, the neighhboring forest composed of Ables magnifica. 2377 Comment
  SACT001959  Poa scabrella Michael Baad 1976-6-16 Placer Descending to stream crossing. Comment
  SACT001971  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, open rocky meadows. 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
  POM113760  Poa secunda Marcus E. Jones 1882-6-28 11384 Placer Emigrant Gap. Comment
  SD239541  Poa secunda George K. Helmkamp, E. A. Helmkamp 2012-5-5 18932 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  RSA0028924  Poa secunda John F. Emmel 1997-7-25 1510 Placer Sierra Nevada, Donner Pass area. West slope of Mt. Judah. Section 21 & Section 28. 2409 Comment
  UCD22234  Poa secunda subsp. juncifolia Rex Palmer 1979-6-21 N 409 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD33390  Poa secunda subsp. juncifolia Beecher Crampton 1967-7-26 8153 Placer Near Nevada County line in Kingvale on Interstate 80. 1950 Comment
  CAS-BOT-BC242952  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  CHSC67528  Pogogyne zizyphoroides James D. Jokerst 1986-4-14 2623 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  RSA0022183  Pogogyne zizyphoroides Carl B. Wolf 1937-5-12 8616 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  UCD125424  Pogogyne zizyphoroides James D. Jokerst 1986-4-14 2623 Placer Johnson Ranch, north of Douglas Road, and east of Highway 80. 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
  UC1980598  Polygonum C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-3 2312 Placer Laing Rd. (Frontage Rd to Rancho Sierra Inn) just S of I-80 at Emigrant Gap Exit Comment
  RSA606205  Polygonum R. S. Woglum 1934-08 1311 Placer Northern Sierra Nevada Mountains: Lake Tahoe [Placer/El Dorado counties]. Comment
  UC850344  Polygonum aviculare subsp. aviculare A. A. Heller 1917-8-12 12876 Placer w Emigrant Gap; Southern Pacific reservoir Comment
  CAS-BOT-BC109147  Polygonum bolanderi G. L. Stebbins, Jr. 1952-6-22 5099 Placer Along southeast bank of American River, 1 mile northeast of bridge on Colfax-Iowa Hill road. 350 Comment
  CAS-BOT-BC414390  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer Near Sheridan 38 Comment
  POM192998  Polygonum californicum H. P. Bracelin s.n. Placer 5 miles N of Placerville, Placer County. On road to Colonia Comment
  UC1136187  Polygonum davisiae B. Bolt 1934-8-23 194 Placer divide between Picayune and Grayhorse (Plot 230); Tahoe National Forest, Truckee Quadrangle Comment
  UC6687  Polygonum davisiae C. F. Sonne 1886-7-18 Placer Truckee River; mt. on Comment
  OBI10858  Polygonum douglasii Robert F. Hoover 1967-9-5 10829 Placer Carnelian bay, Lake Tahoe Comment
  RSA35123  Polygonum douglasii L. S. Rose 1944-7-22 44214 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  RSA466396  Polygonum hydropiper Wm. Martin 1971-9-10 20225 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  UC1101182  Polygonum hydropiper Malcolm A. Nobs and S. Galen Smith 1949-8-22 1539 Placer Roseville; stream at sw city limits Comment
  CAS-BOT-BC418584  Polygonum minimum A. A. Heller 1919-7-25 13290 Placer Near the Yuba River below Cisco 1676 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-BC419862  Polygonum polygaloides subsp. confertiflorum M. S. Jussel 1928-6-25 s.n. Placer Fish Hatchery Comment
  CHSC82603  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2002-7-22 9898 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
  UC185990  Polygonum shastense C. F. Sonne 1885-8-23 Placer Tinker's Knob 2895 Comment
  UCD100899  Polygonum shastense G. F. Hrusa; J. Glazner 2001-7-15 15956 Placer Northern Sierra Nevada, N summit face of Crows Nest Pk. Immed. W of Sugarbowl. 2377 Comment
  UCR173255  Polypodium calirhiza George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10450 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  CAS-BOT-BC232990  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch Rubicon River Comment
  SACT002040  Polypogon monspeliensis Michael Baad 1976-6-3 Placer Descending toward Middle Fork of American River on road to Forest Hill to French Meadows. Serpentine miles east of Foresthill. 701.0 Comment
  JEPS33239  Polystichum imbricans subsp. curtum Matt Herbrand 1917-12-20 Placer 1524 Comment
  UC527361  Populus tremuloides C. B. Wolf 1931-9-10 2420 Placer near R.R. between Tahoe Tavern and head of Truckee River ((gates)); btw Tahoe Tavern and head of Truckee River 1920 Comment
  UCD72908  Porterella carnosula Albert A. Grigarick 2008-6-17 19 Placer Vicinity of Pole Creek, west of Hwy. 89, SE of Donner Lake. Driving Directions: Int. 80 east to Hwy. 89 South, rt. turn at Pole Creek Rd. 6.3 miles, continue 1.8 miles on Pole Creek Rd. to large marsh on right of road. 2027 Comment
  RSA636075  Potentilla glandulosa Robert M. Rhode 1997-6-26 174 Placer Near Blackwood Creek Canyon Road, about 0.4 miles west of turnoff from Highway 89 ( c. 4 miles south of Tahoe City) 1921 Comment
  CHSC79355  Potentilla glandulosa subsp. reflexa Beecher Crampton 1972-6-20 8827 Placer Upslope from Bear Valley, State Hwy 20. 1402 Comment
  POM275123  Potentilla gracilis var. elmeri Lyman D. Benson 1942-7-2 11254 a Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCR229457  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17895 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  SEINET8565301  Primula suffrutescens W. D. Billings 1950-7-30 1914 Placer Sierra Nevada, NE side of Squaw Peak. 2560 Comment
  UC66404  Primula suffrutescens P. B. Kennedy and S. B. Doten 1901-8-10 272 Placer Summit-Soda Springs summit of Devil's Cliff; summit of Devils Cliff, Summit-Soda Springs 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
  JEPS127446  Prunus emarginata Steve Matson 1998-6-24 287 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  LA209079  Prunus emarginata A. A. Heller; 1917-8-15 12940 Placer Lincoln Hwy near Yuba Pass, near the upper limit of the Yellow pine belt 1828 Comment
  POM89355  Prunus emarginata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UCR120252  Prunus emarginata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5041 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR206875  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2009-7-16 15199 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CAS-BOT-BC357342  Pseudognaphalium microcephalum R. F. Hoover 1967-9-5 10825 Placer Cornelian Bay, Lake Tahoe Comment
  CAS-BOT-BC174808  Pseudostellaria sierrae Marcus E. Jones 1882-6-28 3287 Placer Emigrant Gap Comment
  UCR232644  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2011-9-30 18346 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  SEINET5334817  Pseudotsuga menziesii var. menziesii T. Kerstetter 1956-4-16 s.n. Placer U.S. hwy. 40, 1 mi. west of Baxter 1067 Comment
  CAS-BOT-BC361895  Psilocarphus tenellus L. R. Abrams 1917-9-16 6769 Placer Emigrant Gap to Cisco Comment
  CHSC82569  Psilocarphus tenellus var. tenellus Lowell Ahart 2002-7-22 9879 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
  UCR200869  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2008-9-15 14117 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  UCR231876  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-10-16 17019 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UCR240951  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2012-9-25 19903 Placer Northern Sierra Nevada Mountains, Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mi. south of Blue Canyon-Nyack Airport 1473 Comment
  UCD21920  Pterospora andromedea Beth Lowe Corbin 1982-8-23 407 Placer 2 miles WSW of The Cedars. In deep Conifer duff in logged White Fir forest. Stem pinkish. Flowers creme white. Mostly shade. North facing slope, 40% incline. Rare. 2072 Comment
  SEINET7238994  Pterospora andromedea P. Lehenbauer 1929-8-15 2545 Placer [Sierra Nevada] Carnelian Bay Comment
  CDA34331  Pueraria montana W. J. Ferlatte, D. Mitani, M. Keffer 1977-9-22 1901 Placer private property, 2 miles NW of Weimar off Placer Hills Rd. 609 Comment
  CAS-BOT-BC147865  Purshia tridentata var. tridentata John Thomas Howell 1943-7-26 18836 Placer Mt. Lincoln Comment
  CAS-BOT-BC147866  Purshia tridentata var. tridentata Mary P. Wells 1980-9-12 s.n. Placer Tahoe City, forest west of Pioneer Way 1981 Comment
  UC480727  Purshia tridentata var. tridentata W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak; Lake Tahoe Region Comment
  RSA670410  Pyrola asarifolia B. C. Templeton 1931-7-5 1517 Placer near Meek's Bay. 2280 Comment
  SEINET7257144  Pyrola dentata P. Lehenbauer 1933-8-6 2542 Placer [Sierra Nevada] near Homewood, Lake Tahoe Comment
  SEINET7257196  Pyrola minor S. Emerson 1982-9-18 s.n. Placer Forest Hills, Mosquito Ridge Road 518 Comment
  SEINET7257306  Pyrola picta P. Lehenbauer 1929-8-15 2543 Placer [Sierra Nevada] Carnelian Bay Comment
  CHSC10852  Pyrola picta subsp. integra Lowell Ahart 1962-7-13 Placer Ahart Camp, French Meadows. 1676 Comment
  UCD47013  Quercus X morehus Leonard H. Day 1948-10-14 s.n. Placer North side of Stony Ridge, ca. 3 miles north of Penryn, Placer County, California. Comment
  UCD47044  Quercus X morehus R. R. Miller 1959-5-1 s.n. Placer North side of highway, just off shoulder, ca. 1/4 mile east of the Monte Vista cutoff on U.S. Highway 40, ca. 6 miles east of Auburn, Placer County, California. Comment
  UC1135496  Quercus berberidifolia N. French 1933-8-15 92 Placer North Fork American River, above Sheridan's Placerville National Forest, Placerville Quad. 548 Comment
  CAS-BOT-BC62473  Quercus chrysolepis W. R. Dudley 1909-7-22 s.n. Placer Lower's leap, American River Comment
  SACT002612  Quercus chrysolepis Michael Baad 1976-8-4 Placer Northeast of Mildred Ridge 1975.0 Comment
  UCD45600  Quercus chrysolepis Beth Lowe Corbin 1982-8-11 318 Placer 1 2/3 miles SW of Onion Creek campground. Elevation 6250 ft. 1905 Comment
  UCD45664  Quercus douglasii Gordon H. True 1971-4-21 6530 Placer Auburn Ravine just west of Lincoln, Placer County. El. 162 feet. 49 Comment
  CDA12007  Quercus durata G. F. Hrusa 1995-5-2 12188 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  UC5620  Quercus kelloggii A. Eastwood 1894-9-9 Placer Newcastle Comment
  UCSC009994  Quercus kelloggii Al Keuter 2014-6-15 AK 00 -100 Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  CAS-BOT-BC62886  Quercus lobata A. Eastwood 1894-9-9 s.n. Placer Newcastle Comment
  SACT002661  Quercus lobata Josephine Van Ess 1977-11-4 Placer Collected downstream from bridge on HIghway 49. Large tree near river. 365.8 Comment
Read comments
Nov 20 2014
  CHSC20422  Quercus vacciniifolia L. M. Mayer; D. E. Brink 1974-8-15 Placer Kidd Lake. Comment
  SACT002709  Quercus vacciniifolia James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002711  Quercus vacciniifolia James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002715  Quercus vacciniifolia Michael Baad 1983-7-10 Placer 0.8 mile by road southeast of east fork of north fork of north fork of American River on road to Hellister Point from Emigrant Gap. Comment
  SEINET10437672  Quercus vacciniifolia M. J. Williams 1984-6-24 84- 63 -1 Placer Omega Road, 0.3 mile E of Hwy 20. 1372 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
  SEINET10437807  Quercus wislizeni H. R. Holbo 1961-3-31 s.n. Placer North Fork of American River. 610 Comment
  UCR238580  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2012-3-31 18654 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SEINET5501119 Image available Raillardella argentea Sally Walker 1982-8-4 Placer Above ski area, Tahoe. Comment
  CAS-BOT-BC379279  Ranunculus alismifolius var. alismellus Alice Eastwood 1909-1-1 279 Placer Lake Tahoe Region, Wards Pass Comment
  CAS-BOT-BC379431  Ranunculus alismifolius var. hartwegii Gordon H. True 1974-6-20 7749 Placer lower slopes and flats at east end of Castle Peak ridge, ca. 0.5 mi north of Summit Lake 2377 Comment
  CAS-BOT-BC379433  Ranunculus alismifolius var. hartwegii Margaret Williams 1972-4-23 s.n. Placer 1.8 mi west of Boca Dam on road to Hobart Mills 1768 Comment
  CAS-BOT-BC379442  Ranunculus alismifolius var. hartwegii Gordon H. True 1972-4-4 7094 Placer Boca-Stampede Dam Road, 5.2 mi north of Boca 1768 Comment
  SEINET5338278  Ranunculus alismifolius var. hartwegii P. A. Lehenbauer 1923-6-2 567 Placer Truckee-Tahoe road. Comment
  UC9438  Ranunculus flammula Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR49689  Ranunculus hystriculus Katherine Brandegee 1909-4-28 92 Placer Near Auburn, in the Sierra Nevada fothills 320 Comment
  POM149892  Ranunculus hystriculus Katherine Brandegee 1909-4-28 92 Placer In the Sierra Nevada foothills. Comment
  JEPS60691  Ranunculus muricatus R. E. Arp 1932-4-18 11 Placer Roseville; along streams Comment
  UC1607879  Ranunculus muricatus C. G. Nast 1936-4-12 127 Placer Auburn Comment
  SD239889  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18934 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  UC480972  Ranunculus occidentalis Francis Ramaley 1917-4-24 11142 Placer Auburn Comment
  UC827908  Ranunculus occidentalis Lewis S. Rose 1940-6-2 40465 Placer 10 mi n Tahoe City; Truckee River 1828 Comment
  UCR235423  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 1041 Comment
  UCR253530  Ranunculus occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 22794 Placer Sierra Nevada Mountains Foothills, Old Auburn-Foresthill Road, 1.7 miles northeast of its junction with CA-49 at North Fork American River 407 Comment
  POM276387  Ranunculus orthorhynchus Lyman Benson 1948-7-17 12924 Placer Placer: isco Grove, S Fork Yuba River, Sierra Nevada. Sacramento Valley, Sierran Montane Forest 1799 Comment
  UC827932  Ranunculus orthorhynchus var. orthorhynchus A. A. Heller 1917-6-19 12739 Placer Emigrant Gap 1615 Comment
  UC854403  Ranunculus uncinatus Marcus E. Jones, A. M. 1882-6-28 3308 Placer Emigrant Gap Comment
  UCD115182  Raphanus sativus G. K. Helmkamp; E. A. Helmkamp 2006-2-9 10062 Placer Northern Central Valley, Clark Tunnel Road and CA Highway 193, East of Lincoln. 113 Comment
  CAS-BOT-BC55827  Rhamnus Charles J. Rockwell 1952-7-11 s.n. Placer northeaset of Roseville Comment
  CAS-BOT-BC59529  Rhamnus alnifolia C. F. Sonne 1886-6-6 44 Placer Sierra Nevada - Spring at Spring Mill Comment
  CAS-BOT-BC59530  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles northwest of Tahoe City 1889 Comment
  CDA25008  Rhamnus alnifolia J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC629707  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer 7 mi nw Tahoe City; Squaw Valley 1889 Comment
  UC18537  Rhamnus ilicifolia Bolander 1865-4-13 4565 -1 Placer Newcastle Comment
  UCR190921  Rhamnus rubra George K. Helmkamp, E. A. Helmkamp 2007-5-23 12068 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  UC870786  Rhamnus tomentella subsp. tomentella Marcus E. Jones, A. M. 1882-7-4 Placer Colfax Comment
  LA41035  Rhododendron occidentale A. A. Heller; 1917-6-19 12743 Placer Sierra Nevada, 8 mi. E of Colfax Comment
  CAS-BOT-BC108705  Ribes cereum Geo. B. Grant 1906-7-15 6978 Placer Tahoe Tavern Lake Tahoe. 1889 Comment
  CAS-BOT-BC169091  Ribes inerme var. inerme Alice Eastwood 1912-6-15 428 Placer Deer Park, Lake Tahoe Basin Comment
  JEPS127484  Ribes inerme var. inerme Steve Matson 1997-7-25 136 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
  JEPS71856  Ribes lasianthum Gladys L. Smith 1972-6-20 3259 Placer from Ward Peak summit to Sherwood Forest 2590 Comment
  JEPS86495  Ribes montigenum L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6578 Placer ca. 5 mi se Donner Lake (near Frog Lake, in cirque below 7889 ft. rise, ca. 1.5 mi se of Chickering houses at Soda Springs (old resort)); Sherman Chickering's Soda Springs holdings 2286 Comment
  SCFS11529120  Ribes nevadense E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UCD102425  Ribes nevadense D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 Comment
  UCD54623  Ribes roezlii Ellen Dean; John Downs, Brian Ludwig 2006-3-30 2831 Placer Along Secret Town Rd., near railroad overpass trestle, NW of Interstate-80. 914 Comment
  SEINET12216785  Ribes roezlii J. H. Nishida 1985-1 777 Placer Homewood 1829 Comment
  SEINET5339779  Ribes roezlii P. A. Lehenbauer 1932-6-12 s.n. Placer Reclamation Camp, Tahoe City Comment
  CAS-BOT-BC186202  Ribes roezlii var. roezlii Alice Eastwood 1906-7-24 951 Placer Camp Agassiz, Glen Alpine Region. Near Fallen Leaf Lake (Tahoe area) 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
  JEPS127480  Ribes roezlii var. roezlii Steve Matson 1999-6-12 414 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; 1 kilometer west of Pine Drop Ave. terminus, along bike path. Comment
  SEINET5339786  Ribes sanguineum J. Ridley 1959-4-19 26 Placer 1 mi. east of Baxter along small stream bank on south side of Highway 40 1219 Comment
  UCD22337  Ribes viscosissimum Beth Lowe Corbin 1982-8-4 247 Placer 1 mile NE of Onion Creek campground. Along streambed in White Fir forest. In conifer litter over fine, sandy, granitic soil. Shrub about 3' high with glandular foliage. Flowers whitish. Foliage aromatic. Partial sun. South facing slope, 20% incline. Uncommon. 1920 Comment
  SEINET10939976  Robinia pseudoacacia Mary Susan Taylor 1975-5-10 Taylor 574 Placer Ca. 2 mi S of Auburn on Hwy 49, at bridge over American River, ca. 40 ft E of the bridge on N side of road; with Tunica prolifera, Toxicodendron diversilobum, Plantago lanceolatum. With Kevin Marsh. 213 Comment
  UCR233393  Rorippa curvipes var. truncata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18167 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  JEPS126366  Rorippa curvisiliqua Steve Matson 1998-6-27 309 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
  JEPS126396  Rorippa curvisiliqua Steve Matson 2002-5-26 521 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  CHSC82580  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-7-22 9882 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
  UCD16124  Rosa pisocarpa Dan Cederquist 1984-5-22 s.n. Placer Rollins Lake. Comment
  CAS-BOT-BC147021  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
  UCD17686  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 74 Placer California. Placer County: growing under railroad bridge at junction of highways in Auburn. Comment
  POM366398  Rubus discolor Wm. Martin 1971-9-10 20214 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  UC861652  Rubus glaucifolius Marcus E. Jones, A. M. 1882-6-28 3309 Placer Emigrant Gap Comment
  UCR191088  Rubus glaucifolius George K. Helmkamp, E. A. Helmkamp 2007-6-12 12321 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  RSA634235  Rubus parviflorus Robert M. Rhode, B. Nemeth 1997-6-26 176 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
  POM91484  Rubus parviflorus Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC363205  Rudbeckia occidentalis Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  POM308874  Rumex acetosella Betty J. Jorgensen 1944-7-23 533 Placer Near Soda Springs. Comment
  RSA715287  Rumex acetosella George K. Helmkamp 2005-9-30 9941 Placer Northern High Sierra Mtns: Hampshire Rocks Road S of the I80 Rainbow exit (2 miles E of Cisco Grove) 1805 Comment
  UCD100984  Rumex acetosella Amelie Blyth 1952-5-11 9- 2 Placer At junction of north fork and middle fork of American River, near Auburn. Comment
  UCR170823  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2005-9-30 9941 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 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
  SD255839  Rumex crispus George K. Helmkamp, Amy Barnes 2014-3-21 22639 Placer Sacramento Valley: Sheridan, Riosa Road at the west side of its junction with Old CA-65 (Sheridan 7.5'Q) 32 Comment
  CAS-BOT-BC433639  Rumex mexicanus A. A. Heller 1917-6-19 12734 Placer Emigrant Gap 1615 Comment
  JEPS39859  Rumex salicifolius var. triangulivalvis W. H. Shockley Jul 1886 Placer Auburn Comment
  UC1191321  Rumex salicifolius var. triangulivalvis Malcolm A. Nobs and S. Galen Smith 1949-8-21 1504 Placer n end Lake Tahoe (between sandy beach and Agate Bay) Comment
  CAS-BOT-BC434300  Rumex triangulivalvis John Thomas Howell 1943-7-19 18589 Placer Summit Valley Comment
  UCD33736  Rumex triangulivalvis Beecher Crampton 1972-7-26 8847 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD138054  Sagittaria latifolia Malcolm A. Nobs; Herbert L. Mason 1948-10-2 701 Placer 1/2 mile east of South Dos Palos. Comment
  CAS-BOT-BC103061  Salix bonplandiana A. A. Heller 1917-6-19 12747 Placer 5 miles west of Colfax 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-BC103551  Salix eastwoodiae John H. Thomas; Hazelle A. Thomas 1956-7-21 6192 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC103553  Salix eastwoodiae W. R. Dudley 1900-6-14 5080 Placer Grade between Donner Lake and Summit Comment
  CAS-BOT-BC103602  Salix eastwoodiae Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe region Comment
  CAS-BOT-BC103608  Salix eastwoodiae W. R. Dudley 1900-6-15 5124 Placer on flat northeast of Lake Mary Comment
  CAS-BOT-BC103612  Salix eastwoodiae W. R. Dudley 1900-6-14 5045 Placer About half way up loop road from Donner Lake Comment
  CAS-BOT-BC103562  Salix eastwoodiae W. R. Dudley 1900-6-14 5097 Placer East of hotel at Summit, Nevada-Placer Co. line Comment
  CAS-BOT-BC103988  Salix geyeriana W. R. Dudley 1900-6-1 5352 Placer head of Independence Lake Comment
  UC1786426  Salix geyeriana Edward L. Smith 1965-6-11 680 Placer Carnelian Bay, n shore of Lake Tahoe. 1903 Comment
  UCD42826  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 192 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44546  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1912 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44559  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1925 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC107851  Salix gooddingii Gordon H. True 1968-7-30 4455 Placer Just east of Rocklin, on Rocklin Road 76 Comment
  CAS-BOT-BC106877  Salix jepsonii W. R. Dudley 1900-6-14 5072 a Placer Woods between Donner Lake and Summit Comment
  CDA39562  Salix laevigata H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 Comment
  UC5021  Salix laevigata var. congesta unknown 1861-1 4632 Placer New Castle Comment
  LA208830  Salix lasiandra A. A. Heller; 1917-6-19 12747 Placer 5 mi. W of Colfax Comment
  CAS-BOT-BC125297  Salix lasiandra var. lasiandra A. A. Heller 1917-6-17 12720 Placer Along the Yuba River below Cisco 1676 Comment
  POM107147  Salix lasiolepis Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UCD111642  Salix lasiolepis Michael Persichetty 2007-6-5 1 Placer Alta. North side of Spaulding Point. 1219 Comment
  UCD111643  Salix lasiolepis Michael Persichetty 2007-6-6 2 B Placer Alta. North side of Spaulding Point. 1219 Comment
  CAS-BOT-BC124761  Salix lemmonii A. A. Heller 1917-6-17 12688 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124779  Salix lemmonii W. R. Dudley 1900-6-14 5024 Placer Shore of Donner Lake Comment
  CAS-BOT-BC124782  Salix lemmonii A. A. Heller 1917-6-19 12733 Placer Emigrant Gap 1615 Comment
  RSA28796  Salix lemmonii A. A. Heller 1917-6-17 12688 Placer Along the Yuba River below Cisco. 1677 Comment
  RSA43814  Salix lemmonii D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 1707 Comment
  UC1134914  Salix lemmonii N. French 1934-6-19 420 Placer 1/4 mi. w. Devil's Peak; Tahoe Nat'l Forest, Colfax Quad. Comment
  UC847126  Salix lemmonii A. A. Heller 1917-6-17 12721 Placer along Yuba R. below Cisco; Yuba R 1676 Comment
  UCD43316  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 684 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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-BC125098  Salix ligulifolia Alice Eastwood 1912-6-15 386 Placer Deer Park, Lake Tahoe region Comment
  SEINET2470971  Salix lucida subsp. lasiandra K. Christie 2010-7-22 1912 Placer Lake Tahoe Basin Management Unit (USFS); ca. 1.0 mi. southeast of Martis Peak. 2392 Comment
  UCD22319  Salix orestera Rex Palmer 1979-6-21 N 412 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC129123  Salix scouleriana W. R. Dudley 1900-6-1 5530 Placer Lake shore above McKinney's Creek Comment
  UC1135083  Salix scouleriana B. Bolt 1934-8-13 168 Placer e. slope of Red Star Ridge; Tahoe Nat'l Forest, Truckee Quad. Comment
  UCR229555  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2011-7-26 17902 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  UCR240962  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2012-9-25 19913 Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  CAS-BOT-BC238838  Sambucus nigra subsp. caerulea Peter H. Raven 1956-8-4 9989 Placer Blue Canyon 1432 Comment
  UCD137668  Sambucus nigra subsp. caerulea M. H. Mills 1996-4-26 169 Placer 5830 Walden Lane, Loomis. 180 Comment
  UC148977  Sambucus racemosa var. microbotrys H. M. Hall July 1910 8726 Placer Fordyce Creek Sierra Nevada Mountains 2103 Comment
  JEPS13384  Sambucus racemosa var. microbotrys C. F. Sonne 1886-7-5 127 Placer <at Lakes near summit> Sierra Nevada Mts. 2194 Comment
  CDA15934  Sanguisorba annua G. F. Hrusa, J. Glazner 1999-7-17 15160 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SD243199  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-8-11 16753 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  SEINET4691686  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-1 16753 Placer Northern Sierra Nevada Mountains: Finning Mill road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  UCD21631  Sanicula Rex Palmer 1979-6-9 N 153 Placer Headwaters basin area of the North Fork of the American River 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
  HSC82239  Sanicula bipinnatifida Thomas W. Nelson 1979-4-10 4585 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  SEINET11155811  Sanicula bipinnatifida D. E. Brix 1962-3-17 s.n. Placer North Fork American River, 3.5 miles NE of Auburn. 518 Comment
  CAS-BOT-BC229031  Sanicula crassicaulis George K. Helmkamp; E. A. Helmkamp 2012-5-5 18936 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  RSA733423  Sanicula crassicaulis George K. Helmkamp, Elizabeth A. Helmkamp 2006-5-13 10455 Placer Northern Sierra Nevada Hills: ca. 4 air mi. NE or Auburn, along the unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road. 422 Comment
  SD248316  Sanicula crassicaulis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20806 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's road, 3.6 miles northwest of its junction with Forest Hill Road. 768 Comment
  UCR250291  Sanicula crassicaulis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20806 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UC106111  Sanicula graveolens C. F. Sonne 1893-6-11 Placer Sierra Nevada Mountains, road to Lake Tahoe Sierra Nevada Mountains Comment
  SEINET11160257  Sanicula laciniata E. W. Mason 1976-3-13 s.n. Placer Along North Fork American River, E of Auburn. 305 Comment
  SD243063  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2010-7-28 16669 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  SEINET3480979  Sanicula tuberosa L. S. Rose 1941-7-18 1911 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) Comment
  UC1515015  Sanicula tuberosa Bolander 1865-1 4509 Placer Auburn Comment
  CAS-BOT-BC436879  Saxifraga John H. Thomas; Hazelle A. Thomas 1956-7-21 6136 Placer Vicinity of Donner Pass about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  RSA121491  Saxifraga bryophora N. H. French 1934-6-22 464 Placer Serena Lake. 2104 Comment
  SEINET12220592  Saxifraga bryophora C. F. Sonne 1884-1 s.n. Placer above Coldstraw Comment
  JEPS43799  Saxifraga californica C. F. Sonne 1891-4-5 Placer near Newcastle Comment
  UC1562609  Saxifraga californica Barbara Ertter with David Thompson 1989-4-9 8182 Placer 4 air mi w of Foresthill (bridge over Shirttail Canyon, w of Yankee Jim's) 304 Comment
  UC858774  Saxifraga mertensiana Marcus E. Jones, A. M. 1882-7-1 3588 Placer Emigrant Gap Comment
  UC1127664  Saxifraga tolmiei R. C. Wilson 1934-9-20 79 Placer Granite Chief Mountain; Tahoe National Forest, Granite Chief Mountain 2743 Comment
  SDSU2326  Scandix pecten-veneris D. R. Harvey 1960-5-29 Placer Near Forest Hill. Comment
Read comments
Jun 16 2009
  SCFS1125  Sceptridium multifidum F. Felix 2014-5-10 Placer Woods on trail to Heath Falls. Comment
  UCD80547  Schedonorus pratensis CNPS SN Foothill Team 2006-6-27 SNNR 0723 Placer Placer Land Trust, Shutamul Parcel, along the Bear River. 309 Comment
  RSA122656A  Scirpus microcarpus H. S. Yates 1936-8-9 6000 Placer Near Brockway 1921 Comment
  UC590003  Scirpus microcarpus H. S. Yates 1936-8-9 6000 Placer near Brockway; Truckee Quad., near Brockway Comment
  CDA3392  Scleranthus annuus G. D. Barbe 1985-7-15 4238 Placer 10 miles east of Auburn, 1 mile northeast of Meadow Vista on Placer Hills Road. 0 Comment
  UC1563887  Scleranthus annuus subsp. annuus Barbara Ertter with David Thompson 1989-4-8 8162 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  CAS-BOT-BC243506  Scribneria bolanderi G. L. Stebbins 1978-5-28 7896 Placer East end of Ralston Ridge 1554 Comment
  UC1153948  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 mi n of Lincoln Comment
  UCD15634  Scutellaria californica R. B. Kelley 1985-5-12 188 Placer Stevens Trail, at end of North Canyon Rd, near Colfax. 1.5 miles NE of trailhead. 548 Comment
  HSC95514  Scutellaria californica James D. Jokerst 1988-6-6 3008 Placer Long Creek Hydro Project, 1 mi. W of Ramsey Crossing, N of Long Canyon Creek Comment
  UC25807  Scutellaria californica Mrs. M. M. Hardy 1893-1 Placer Comment
  UC884216  Scutellaria tuberosa Alice Eastwood, John Thomas Howell 1937-5-8 4335 Placer near Auburn (on road to Grass Valley) Comment
  UC191156  Sedum lanceolatum C. F. Sonne 1885-7-12 Placer Tinker's Knob Tinker's Knob (ne Placer County) 2590 Comment
  UCD75750  Sedum obtusatum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5217 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
  JEPS72364  Sedum obtusatum Gladys L. Smith 1972-6-18 3155 Placer volcanic cliff above Alpine Meadows; above Alpine Meadows 2133 Comment
  CAS-BOT-BC64212  Sedum obtusatum subsp. obtusatum Mrs. C. E. Miller 1916-8-1 s.n. Placer Emigrant Gap Comment
  UC1127141  Sedum obtusatum subsp. obtusatum N. French 1934-6-22 442 Placer Serena Lake Truckee Quad., Tahoe National Forest, Serena Lake Comment
  JEPS72366  Sedum spathulifolium Gladys L. Smith 1972-6-20 3271 Placer lower flanks Ward Peak in Sherwood Forest; lower flanks Ward Peak in Sherwood Forest 2286 Comment
  UCD41269  Sedum spathulifolium Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1725 Placer East of Hwy 80 and town of Colfax, western side of canyon of North Fork of the American River. Along Iowa Hill Road, about 1.8 road miles east of intersection with Canyon Way in Colfax. 518 Comment
  SD62150  Sedum spathulifolium Darley F. Howe 1965-5-21 Placer Canyon on south side of north fork of American River near Forest Hill. 455 Comment
  RSA0013335  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer 1 mile west of Baxter Comment
  UCD44656  Senecio hydrophiloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2022 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD44703  Senecio hydrophiloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2069 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC363695  Senecio hydrophilus Alice Eastwood No date on label 297 Placer Squaw Valley, Tahoe region Comment
  UC567040  Senecio integerrimus var. exaltatus N. French 1934-6-21 434 Placer N end of Lake Cascade 2011 Comment
  JEPS126354  Senecio integerrimus var. major Steve Matson 1998-6-21 259 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  JEPS126410  Senecio triangularis Steve Matson 1998-7-28 364 Placer Tahoe north shore Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. at junction with west Fork of Snow Creek. Comment
  UCR231843  Senecio triangularis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16795 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  CAS-BOT-BC364386  Senecio triangularis L. S. Smith 1927-8-5 2153 Placer Tahoe National Forest. Robertson Flat R.S. fenced pasture Comment
  JEPS37599  Senecio triangularis L. S. Smith 1927-8-5 2153 Placer e of Duncan Peak (Robertson Flat Ranger Station) 2346 Comment
  RSA569214  Senecio triangularis B. C. Templeton 1931-7-5 1511 Placer near Meek's Bay. 2280 Comment
  UCR171030  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2006-2-24 10070 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  CAS-BOT-BC364759  Sericocarpus oregonensis subsp. californicus Ira L. Wiggins 1933-8-21 6789 Placer Shores of Lake Tahoe, near Tahoma 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-BC243549  Setaria parviflora David D. Keck 1932-7-1 1596 Placer 2 miles N. of Auburn on Nevada City Road 426 Comment
  SACT002097  Setaria viridis D. Meyer 1984-8-17 Placer 4.8 km west of exit. 1291.0 Comment
  UCD92827  Setaria viridis var. major G. Douglas Barbe 1974-11-26 1985 Placer along Barton Road at Eureka Road, northwest corner, east of Roseville. Comment
  CDA37052  Sherardia arvensis CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SCFS1233  Sidalcea E. Krimmel 2013-1 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Streamside where trail meets water. Comment
  UCR249603  Sidalcea calycosa subsp. calycosa George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20826 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  CHSC79772  Sidalcea glaucescens G. F. Hrusa; J. Glazner 1999-7-18 15189 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434 N, 07418 E. 1905 Comment
  JEPS59420  Sidalcea glaucescens Ezra Brainerd and Viola B. Baird 1915-7-25 140 Placer above Deer Park Inn (Garden of the Gods); Sierra Nevada Mts., Garden of the Gods 2072 Comment
  OBI20167  Sidalcea glaucescens David J. Keil 1978-7-23 12933 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  POM263652  Sidalcea glaucescens L. S. Rose 1941-7-14 41314 Placer Homewood, Lake Tahoe. 579 Comment
  UC1124954  Sidalcea glaucescens B. Bolt 1934-8-23 200 Placer Mt. Mildred Tahoe National Forest, Truckee Quadrangle, Mt. Mildred 2499 Comment
  UCD42878  Sidalcea glaucescens C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 245 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  HSC16036  Sidalcea glaucescens R. G. Means 1962-6-28 49 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  UCD116732  Sidalcea hartwegii Robert A. Christison 1960-5-8 61 Placer junction of State Highway 49 and turnoff to Foresthill. 91 Comment
  CHSC74234  Sidalcea oregana subsp. spicata Susi Urie; Eric Schroder 1998-9-8 98 -292 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 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
  JEPS127466  Sidalcea oregana subsp. spicata Steve Matson 2003-6-29 817 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area. Comment
  POM9889  Sidalcea oregana subsp. spicata E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  SCFS1208  Silene E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Off s. slope near top. Comment
  POM150840  Silene douglasii Katherine Brandegee s.n. Placer Donner Summit. Comment
  SD243117  Silene douglasii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16772 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing (Duncan Peak 7.5'Q) 1552 Comment
  UC465664  Silene douglasii Katharine Brandegee July, 1908 Placer Alta Comment
  POM89175  Silene douglasii var. douglasii Katherine Brandegee 1917-08 s.n. Placer Cisco Comment
  UCD98710  Silene gallica Greg Vita 1978-5-7 24 Placer W. slope of Folsom Lake, 1.2 miles N of Twin Rocks Road along Boulder Road. 152 Comment
  UCD15170  Silene laciniata subsp. californica Phyllis Adams 1982-5-15 48 Placer California, Placer Co.; in the American River Canyon; 198 Comment
  CAS-BOT-BC181345  Silene latifolia Margaret J. Williams; Dieter Schacht 1987-6-19 87- 20 -1 Placer Near Hwy 89, just west of Tahoe City 1905 Comment
  CAS-BOT-BC389368  Silene lemmonii Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  UCD98728  Silene lemmonii Eric Brenner; John Hunter 1996-5-26 022 Placer Tahoe National Forest Mosquito Ridge Road. 1080 Comment
  UC8507  Silene lemmonii Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC389497  Silene menziesii Alice Eastwood 1909-1-1 106 Placer Lake Tahoe Region. Ward Creek Comment
  CAS-BOT-BC181368  Silene occidentalis Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap Comment
  JEPS126414  Sisymbrium altissimum Steve Matson 2002-7-7 557 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on west side of pond near Highway 28. Comment
  UCR222539  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2010-4-23 15912 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  POM260473  Sisyrinchium bellum C. L. Hitchcock 1940-5-7 6340 Placer 1 mile west of Baxter Comment
  SACT002105  Sitanion hystrix Michael Baad 1983-7-23 Placer Tahoe Airport. Along northeast side of Highway 267. 2100.0 Comment
  SEINET3888286  Smilacina stellata D. W. McNeal 1986-5-31 3153 Placer On a slope above Hwy. #267, 0.7 mi. N. of Brockway Summit, Tahoe Nat. For.; 0 2134 Comment
  CDA5917  Solanum aviculare J. H. Wilson 1961-8-3 Placer Albert Fanini property, 1145 Liveoak Lane, Auburn. 0 Comment
  CDA5935  Solanum dimidiatum Clark, Margaret Bellue Oct 1945 Placer Railroad yards, Roseville. 0 Comment
  CDA5937  Solanum dimidiatum F. Clark Oct 1945 Placer Railroad yards, Roseville. 0 Comment
  CAS-BOT-BC156841  Solanum umbelliferum J. T. Howell 1943-7-25 18806 Placer West side of Donner Pass near Norden 2134 Comment
  SEINET6186073  Solanum xanti var. montanum M. J. Williams 1985-7-6 85- 63 -4 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits Comment
  CAS-BOT-BC365507  Solidago elongata A. A. Heller 1917-8-15 12938 Placer Soda Springs Station, lower end of Summit Valley 2042 Comment
  OBI20136  Solidago elongata David J. Keil 1978-7-23 12951 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UC201301  Solidago elongata A. A. Heller 1917-8-15 12938 Placer lower end Summit Valley (Soda Springs station); lower end of Summit Valley, Soda Springs station 2042 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
  UCD83589  Solidago elongata Albert Grigarick 2009-8-7 158 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1938 Comment
  CAS-BOT-BC365113  Solidago velutina subsp. californica A. A. Heller 1926-9-3 14331 Placer Seven miles east of Auburn along the Lincoln Highway Comment
  SCFS1121  Sorbus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  CAS-BOT-BC158902  Sorbus scopulina Peter H. Raven 1956-8-4 9992 Placer 1.0 miles from Blue Canyon on road to Emigrant Gap - Sierra Nevada Comment
  UCR259872  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22465 Placer Sacramento Valley, Highway CA-193 (Lincoln-Newcastle Hwy) at the junction with Gold Hill Road, 3.8 miles northwest of US-80 114 Comment
  CDA777  Sparganium emersum subsp. emersum G. D. Barbe 1977-7-2 2285 Placer Along the shore of Martis Creek Lake, Day Use Area south of Truckee-Tahoe Airport. Comment
  UCD150464  Spergula arvensis James A. Neilson Jr. 1971-9-9 2599 Placer Tahoe Basin, Tahoe City, McBride's Nursery / Tahoe Tree Company. 1889 Comment
  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
  UCD43883  Sphenosciadium capitellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1249 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC152530  Spiraea splendens unspecified 1912-1-6 97 Placer Tahoe Forest Comment
  CDA15824  Spiraea splendens G. F. Hrusa, L. Serafini 1993-6-29 11260 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of french Meadows Reservoior. Comment
  UCD34057  Sporobolus cryptandrus Beecher Crampton 1975-10-14 9330 Placer Emigrant Gap area on Interstate Hwy. 80 just E of Vista Point. 1524 Comment
  UCD43851  Stachys ajugoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1217 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 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
  SEINET7977080  Stachys rigida var. rigida F. H. Hillman s.n. Placer Between Truckee and Tahoe Comment
  UCD150466  Stellaria crispa James A. Neilson Jr. 1970-8-26 1825 Placer Tahoe Basin, Ward Creek. 2011 Comment
  UC8659  Stellaria longipes var. longipes C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  UCD43033  Stellaria longipes var. longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 402 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD99389  Stellaria media J. J. Geibel 1965-5-1 30 Placer on Forest Hill Road, 8 miles west of Forest Hill. 670 Comment
  CAS-BOT-BC181461  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
  JEPS71598  Stenotus acaulis Gladys L. Smith 1972-6-20 3218 Placer Ward Peak in gravel on open plateau about terminus of Summit Chairlift 2621 Comment
  JEPS72173  Stenotus acaulis Gladys L. Smith 1972-6-20 3214 Placer Ward Peak in gravel on open plateau about terminus of Summit Chairlift 2621 Comment
  RSA531313  Stenotus acaulis Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4542 Placer Squaw Valley beyond upper cable car stn. on top of rocky ridge. 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
  CDA16512  Stephanomeria lactucina G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8541 b Placer Lake Tahoe; at W end of Ward Valley. 4 mi SW of Tahoe City. Comment
  SACT002310  Stipa californica D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT002314  Stipa californica Michael Baad 1976-7-14 Placer Open brushy slope, 1.3 mile along road from intersection. 1554.48 Comment
  SACT002317  Stipa californica Michael Baad 1977-6-21 Placer 1097.0 Comment
  SACT002343  Stipa columbiana Michael Baad 1983-7-23 Placer Collected south of airport along northeast side of Highway 267 1767.84 Comment
  SACT002359  Stipa lemmonii Michael Baad 1983-8-11 Placer Collected on trail from Mildred Ridge 2133.0 Comment
  SACT002363  Stipa lemmonii Michael Baad 1983-6-16 Placer 3.4 miles northeast of junction with Chipmunk Ridge Road on road along South shore of French Meadows Reservoir. Open rocky slope 1879.0 Comment
  RSA790858  Stipa lettermanii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18959 Placer Finning Mill Road, 4 mi north of Forest Hill Road and at the junction with Hollow Logging Road. 1140 Comment
  CAS-BOT-BC87417  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer 6 miles north of Colfax. Comment
  CAS-BOT-BC87764  Streptanthus tortuosus Lewis S. Rose 1941-7-23 41355 Placer Chambers Lodge, (McKinney), Lake Tahoe. 1920 Comment
  CAS-BOT-BC87771  Streptanthus tortuosus Hy Edwards; J. P. Moore 479 Placer Summit. Comment
  CDA11987  Streptanthus tortuosus G. F. Hrusa 1995-5-2 12168 Placer Sierra Nevada; Approx. 4 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CHSC11378  Streptanthus tortuosus Lowell Ahart 1962-7-11 Placer Ahart Camp, French Meadows. 1676 Comment
  UC112906  Streptanthus tortuosus var. orbiculatus Katharine Brandegee 1908-7-17 Placer near Blue Canyon Comment
  UC147610  Streptanthus tortuosus var. orbiculatus Harriet A. Walker 1908-6-26 1302 Placer Cisco 1810 Comment
  UC1601629  Streptanthus tortuosus var. orbiculatus Lewis S. Rose 1941-7-23 41355 Placer Chambers Lodge (McKinney) Lake Tahoe 1920 Comment
  JEPS32521  Styrax officinalis var. redivivus W. L. Jepson 1938-4-5 18581 a Placer 2 mi e Auburn; e of Auburn Comment
  JEPS81209  Styrax officinalis var. redivivus Douglas W. James Jr. 1973-5-27 119 Placer off Mosquito Ridge Road about 2 mi from Forest Hill 853 Comment
  UC630413  Styrax officinalis var. redivivus Annetta Carter 1939-9-30 1485 Placer 2 mi e Auburn (canyon of the North Fork of the American River); canyon of the North Fork of the American River 228 Comment
  RSA654887  Styrax redivivus G. Fred Hrusa 1995-5-20 12172 Placer below Mosquito Ridge Road, approximately 1 km east of crossing of North Fork of Middle Fork of the American River. 500 Comment
  UCD119095  Styrax redivivus Julie Combs 1994-5-14 19 Placer 1/2 m E of Robie St. just off hiking trail. 274 Comment
  CAS-BOT-BC215299  Symphoricarpos mollis Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap Comment
  CAS-BOT-BC215300  Symphoricarpos mollis Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap Comment
  CAS-BOT-BC236445  Symphoricarpos mollis H. D. Ripley; R. C. Barneby 1948-7-13 9823 Placer SW of Emigrant Gap 1676 Comment
  UC1119985  Symphoricarpos mollis B. Bolt 1934-8-15 182 Placer 1 mi sw Goggins; El Dorado National Forest, Colfax Quad. 1676 Comment
  JEPS59430  Symphoricarpos mollis Ezra Brainerd and Viola B. Baird 1915-7-13 150 Placer cliff opposite Bear Rock Camp; Sierra Nevada Mountains 1920 Comment
  UCR171340  Symphoricarpos rotundifolius var. rotundifolius George K. Helmkamp, E. A. Helmkamp 2005-10-1 9972 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  CAS-BOT-BC97553  Symphyotrichum ascendens Margaret Williams 1974-8-8 74 -P1-30 Placer [Murphy's] Murphy Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CHSC74194  Symphyotrichum bracteolatum Susi Urie 1998-9-2 98 -215 Placer Lake Tahoe Basin Management Unit - National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UC615396  Symphyotrichum foliaceum Beryl O. Schreiber 1933-9-11 763 Placer road to Summit Comment
  CAS-BOT-BC98479  Symphyotrichum spathulatum H. M. Hall 12888 Placer Summit Station 2121 Comment
  UC1119626  Symphyotrichum spathulatum B. Bolt 1934-8-22 188 Placer Grayhorse Flat Tahoe National Forest, Truckee Quad. 1981 Comment
  UC1192241  Symphyotrichum spathulatum Malcolm A. Nobs and S. Galen Smith 1949-8-21 1513 Placer marsh between Sandy Beach and Agate Bay, n end of Lake Tahoe Agate Bay; Lake Tahoe Comment
  UC201327  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit valley 2118 Comment
  UCD21698  Symphyotrichum spathulatum Beth Lowe Corbin 1982-8-3 183 Placer Onion Creek campground. In wet meadow. Perennial with rhizomes. Ray flowers purple, disc yellow. Full sun. SW slope. Locally abundant. 1841 Comment
  CAS-BOT-BC98877  Symphyotrichum spathulatum var. intermedium Fay A. Mac Fadden 1934-7-26 12868 Placer Red Mt. Comment
  CHSC73923  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-26 98 -103 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC74353  Symphyotrichum spathulatum var. spathulatum Susi Urie; Eric Schroder 1998-9-10 98 -317 Placer Antone meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD43046  Symphyotrichum spathulatum var. spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 415 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET9351775  Symphyotrichum spathulatum var. spathulatum Unknown 2000-7-1 15613 Placer Placer Comment
  SEINET5344495  Taeniatherum caput-medusae J. Wright, Johnnie Michael Wright 2000-3-27 s.n. Placer From Interstate 80 West, Reno to Sacramento, take the Lincoln exit. Plants were picked from the pullout at the exit on the north side of the freeway. Taeniatherum found on both sides. 91 Comment
  JEPS71539  Taraxacum officinale Gladys L. Smith 1972-6-18 3144 Placer Alpine Meadows 2072 Comment
  CAS-BOT-BC376911  Taraxacum officinale Lyman Benson 1942-7-2 11250 Placer Junction of U.S. 40 and the Truckee River Road to Lake Tahoe, Sierra Nevada, Truckee River 1828 Comment
  JEPS127408  Taraxia tanacetifolia Steve Matson 1998-5-6 224 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area south side of Highway 267. East of Martis Creek. Comment
  NY17479  Taxus brevifolia F. A. MacFadden 1934-8-14 12872 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC20477  Tetrapteron graciliflorum H. N. Bolander 1865-4-13 4564 Placer Newcastle Comment
  CAS-BOT-BC392399  Thalictrum fendleri Alice Eastwood 1909-1-1 122 Placer Lake Tahoe Region. Sunnyside Comment
  SCFS1201  Thalictrum fendleri E. Krimmel, F. Felix 2013-7-28 Placer North Fork American River, below Soda Springs Road on Swimming Hole Trail in damp woods. Stop #1 Comment
  CHSC72885  Thalictrum sparsiflorum L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5767 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CAS-BOT-BC77731  Thelypteris nevadensis Elizabeth Flint 1925-9-1 s.n. Placer Above Penryn 213 Comment
  RSA693557  Thelypteris nevadensis May N. Ackley 1925-06 64 Placer Near Towle Comment
  UCD93353  Thinopyrum intermedium Frederica Bowcutt 1994-7-22 1952 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. 2438 Comment
  CAS-BOT-BC88167  Thysanocarpus curvipes G. L. Stebbins 1978-5-28 7884 Placer West side of Big Crater. 1280 Comment
  SEINET13203117 Image available Thysanocarpus curvipes George K. Helmkamp, Amy Barnes 2014-1 22786 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  UCR257102  Thysanocarpus curvipes George K. Helmkamp, Amy Barnes 2014-4-23 22786 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  RSA20880  Thysanocarpus curvipes var. curvipes C. B. Wolf 1937-3-30 8343 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  SD44634  Thysanocarpus radians Darley F. Howe 1951-5-1 Placer 455 Comment
  UCD128157  Torilis arvensis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 A Placer Northern Sierra Nevada Foothills. 2.1 miles south of Auburn along CA Hwy 49. 293 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
  SACT002422  Torreyochloa erecta D. Meyer 1984-9-23 Placer Very wet rocky creek bed. 2121.0 Comment
  UCD43331  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 699 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CDA39014  Tragopogon dubius M. Evans, D. G. Kelch 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  UCD148669  Tragopogon dubius G. Ledyard Stebbins 1986-6-11 C 601 Placer Truckee. (Exact location unknown; coordinates estimated by label maker.) Comment
  UCR253575  Tragopogon porrifolius George K. Helmkamp, Amy Barnes 2014-4-23 22801 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  UCD138326  Triantha occidentalis F. H. Bolster 1912-8-31 46 Placer Long Lake Valley. 1981 Comment
  CDA15935  Trichostema oblongum G. F. Hrusa, J. Glazner 1999-7-17 15158 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SBBG58472  Trientalis latifolia M. N. Ackley -Jun-1925 798 Placer Towle 1127 Comment
  SDSU9873  Trientalis latifolia D. F. Howe 1965-5-21 4061 Placer Canyon on south side of fork of American River between Forest Hill & Yankee Jims. 914 Comment
  UCR194958  Trifolium bifidum var. decipiens George K. Helmkamp, E. A. Helmkamp 2007-5-18 12031 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
  CDA37245  Trifolium campestre CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD75820  Trifolium cyathiferum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5174 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail by creek. 2145 Comment
  UCD33052  Trifolium depauperatum Beecher Crampton 1966-4-14 7648 Placer 2.5 miles east of Lincoln. Comment
  SFV8467  Trifolium depauperatum L. Gould 1962-3-31 20 Placer Powerline Road about 4 miles west of Roseville. 46 Comment
  CHSC96466  Trifolium dubium Lowell Ahart; Brian Williams 2007-4-13 13667 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  JEPS113120  Trifolium dubium Lowell Ahart, Brian Williams 2007-4-13 13667 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCD39210  Trifolium dubium Beecher Crampton 1953-5-26 1341 Placer 2 miles N of Lincoln, Chamberlain Ranch. Comment
  UCR250145  Trifolium dubium George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20822 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UCR250603  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20496 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
  UCR242553  Trifolium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17457 Placer Northern Sierra Nevada Mountains Foothills, along CA-49 southeast of Auburn at a trail entrance to the Auburn State Recreation Area 354 Comment
  SEINET7413854  Trifolium gracilentum A. Allen 1950-4-29 15 Placer 2 miles east of Roseville on highway 40 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
  UCD111146  Trifolium hirtum G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10126 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  UCD13353  Trifolium hirtum Anne Marie Weyandt 1989-5-20 20 Placer El Dorado National Forest. North Fork of the American River. E of Foresthill, SW of Mosquito Narrows. 914 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
  UCR198410  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2008-4-17 13297 Placer Sacramento Valley / Sierra Nevada Foothills, about 0.2 mile north of CA-193 on Fowler Road, about 6 miles east of Lincoln 93 Comment
  JEPS71994  Trifolium longipes Gladys L. Smith 1972-6-18 3142 Placer Alpine Meadows 2072 Comment
  UCD22007  Trifolium longipes Rex Palmer 1979-6-9 N 179 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD36424  Trifolium longipes Beecher Crampton 1953-7-21 1534 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  UC866865  Trifolium macraei Eliz. Parsons Hawver 1913-5-1 Placer Auburn Comment
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Feb 7 2017
  RSA537541  Trifolium microcephalum Barbara Ertter 1989-4-8 8161 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UCD75818  Trifolium monanthum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5172 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail by creek. 2145 Comment
  UC866899  Trifolium monanthum subsp. parvum Lewis S. Rose 1941-6-12 41307 Placer Chambers Lodge (McKinney) Lake Tahoe Comment
  POM349510  Trifolium monanthum subsp. parvum Fay A. MacFadden 1934-7-26 12807 Placer Foot of Red Mt. near Cisco. Comment
  JEPS127546  Trifolium monanthum subsp. tenerum Steve Matson 1997-7-10 88 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; North Ave. dirt road extension to meadow near west fork of Snow Creek. Comment
  JEPS103491  Trifolium monanthum var. monanthum Lowell Ahart 2002-7-22 9887 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  CAS-BOT-BC5322  Trifolium monanthum var. parvum Albert Kellogg 1870-7-1 s.n. Placer Cisco Comment
  UC147624  Trifolium pratense Miss Harriet A. Walker 1908-6-27 1335 Placer Blue Canyon 1432 Comment
  UCD163053  Trifolium retusum Robert E. Preston 2014-4-22 2959 Placer 1.8 mi SE of Sheridan, on terraces adjacent to Yankee Slough, E of old Hwy 65. 30 Comment
  CAS-BOT-BC516754  Trifolium tomentosum George K. Helmkamp; Amy Barnes 2013-3-28 20299 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  SEINET7375916  Trifolium tridentatum H. E. Hodge 1956-3-28 14 Placer U.s. Hwy 40, one mile east of Rocklin 76 Comment
  SBBG29894  Trillium chloropetalum C. L. Hitchcock 1906-5-7 6306 Placer ca. 1 mi W of Baxter Comment
  POM260064  Trillium chloropetalum var. giganteum C. L. Hitchcock 1940-5-7 6306 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC516750  Triphysaria eriantha George K. Helmkamp; Amy Barnes 2013-3-28 20285 Placer Eastern Sacramento Valley: along 10th St/Ranch House Rd, 0.6 mi S of its jct with Riosa Road in Sheridan 43 Comment
  CHSC59822  Triphysaria eriantha Andrew D. Lane 1984-4-20 5 Placer Ca. 1.2 km e of Hwy 65, ca. 0.75 km s of Bear River, Sheridan. 30 Comment
  RSA0035742  Triphysaria eriantha George K. Helmkamp 2013-3-1 20152 Placer Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  UCD123396  Triphysaria eriantha M. Vincent 1965-4-11 604 Placer 1 mile north of Marysville on Hwy. 99E. Comment
  CDA32820  Triphysaria eriantha William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  CHSC96511  Triphysaria eriantha subsp. eriantha Lowell Ahart; Brian Williams 2007-4-13 13654 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  RSA792717  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2011-4-10 17158 Placer along Riosa Road at the east edge of the village of Sheridan 41 Comment
  SACT002432  Trisetum canescens D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  UC1133279  Trisetum projectum B. Bolt 1934-7-10 Placer 1 mi nw mouth of Little Granite; Colfax Quadrangle Comment
  CHSC67751  Trisetum spicatum James D. Jokerst 1986-7-13 2733 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Park. Comment
  SACT002457  Trisetum spicatum D. Meyer 1984-7-15 Placer Opening in forest canopy. 3.5 km from lodge. 1909.0 Comment
  UC338354  Trisetum spicatum C. F. Sonne 1886-7-18 Placer Truckee River Sierra Nevada (High Mt.) Comment
  SACT002446  Trisetum spicatum var. projectum Michael Baad 1976-7-17 Placer 0.5 mile east of Five Lakes. 1.5 miles west of Alpine Meadows Ski Area, open slopes of eroded granite. 2072.0 Comment
  SACT002450  Trisetum spicatum var. projectum Michael Baad 1976-7-22 Placer Northwest face of Lyon Peak to crest. 10 miles southwest of Soda Springs. 2377.0 Comment
  SACT002454  Trisetum spicatum var. projectum Michael Baad 1976-8-4 Placer Collected at end of Jeep road. 2 miles east of Talbot Camp. Northeast of MIldred Ridge 1975.0 Comment
  SACT002466  Trisetum wolfii D. Meyer 1984-9-23 Placer Roadside, very moist north-facing slope hilleside seeping water 2109.0 Comment
  SEINET11261796  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-7-26 17889 Placer Northern Sierra Nevada Mountains: Along CA Highway 20, 0.8 miles E of Bowman Lake Road, 1.23 miles NE (50 degrees) of Emigrant Gap and 0.35 miles N of I-80.; 0 1541 Comment
  UCD43237  Triteleia hyacinthina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 606 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC147621  Triteleia ixioides subsp. anilina Harriet A. Walker 1908-6-24 1274 Placer Blue Canyon 1432 Comment
  UC570024  Triteleia ixioides subsp. anilina N. French 1934-5-24 365 Placer North Fork North Fork American River; Colfax Quad., North Fork of North Fork American River 1341 Comment
  UCR194977  Triteleia ixioides subsp. anilina George K. Helmkamp, E. A. Helmkamp 2007-5-18 11997 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment