Search Results — 2000 specimen records retrieved (1604 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/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR171349  Abies George K. Helmkamp, E. A. Helmkamp 2005-10-1 9995 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
  UCD42944  Abies concolor C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 313 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  RSA123358  Abies magnifica R. W. Lundh 1933-4-26 241 Placer 3 miles E of Big Ben R.S. Truckee quadrangle. 1982 Comment
  UC484020  Abies magnifica var. magnifica Carl B. Wolf 1930-10-10 1726 Placer 5 mi from Truckee (Coldstream Canyon); Coldstream Canyon 1981 Comment
  SEINET12765775  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Confluence of two creeks.; 0 Comment
  CAS-BOT-BC331008  Acer glabrum var. glabrum E. R. Blakley 1960-8-30 3799 Placer 0.5 mi W of Carnelian Bay, Lake Tahoe 2011 Comment
  CAS-BOT-BC331010  Acer glabrum var. glabrum A. A. Heller 1917-6-19 12730 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC333259  Acer macrophyllum Saichi Kawahara 1969-7-6 1414 Placer Mel Henderson Ranch, Indian Creek 999 Comment
  SEINET11261906  Acer macrophyllum George Helmkamp, E. A. Helmkamp 2012-5-11 18953 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1041 Comment
  OBI39804  Achillea millefolium Joy H. Nishida 1985-7-10 783 Placer Homewood 1829 Comment
  UC1125389  Achillea millefolium H. S. Yates 1934-6-29 382 Placer near Brockway; Truckee Quad. 1920 Comment
  UCD130325  Achillea millefolium Albert Grigarick 2011-8-31 306 Placer Alpine Meadows Ski Resort. Approx. 200 yds W of headquarters. 2150 Comment
  CAS-BOT-BC210683  Achnatherum lemmonii John Thomas Howell; Gordon H. True 1968-6-9 44518 Placer Alta 1066 Comment
  UCD50938  Achnatherum occidentale G. L. Stebbins Jr. 1941-7-16 3171 Placer rocky ledges along U.S. Highway no. 40, 1 mile west of Cisco Grove. 1706 Comment
  UC1133085  Achnatherum occidentale subsp. californicum N. French 1934-6-21 Placer w end of Lake at sw corner of Sec. Truckee Quadrangle Comment
  UC682057  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3170 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UCD51067  Achnatherum occidentale subsp. californicum Elizabeth Wilson 1940-8-8 s.n. Placer near Hampshire Rocks. 1828 Comment
  SACT000022  Achnatherum occidentale subsp. occidentale James Grove 1977-7-15 Placer 2000.0 Comment
  CAS-BOT-BC29927  Achyrachaena mollis Gordon H. True 1971-5-26 6544 Placer Valley Grassland, northern limits of Lincoln 48 Comment
  CAS-BOT-BC204856  Acmispon argophyllus var. fremontii Marcus E. Jones 1882-7-3 3338 Placer Colfax Comment
  UC465623  Aconitum columbianum J. A. DeCon 1900-8-5 453 Placer Tahoe, McKinneys Comment
  CAS-BOT-BC391458  Aconitum columbianum subsp. columbianum A. A. Heller 1917-8-13 12882 Placer Summit Valley 2118 Comment
  CAS-BOT-BC391461  Aconitum columbianum subsp. columbianum G. P. Rixford 1915-7-10 s.n. Placer Cisco 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
  RSA249383  Aconitum columbianum var. columbianum J. D. Ackerman 1974-7-20 387 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy 89 Comment
  SEINET4175504  Aconogonon davisiae W. D. Billings 1950-7-30 1921 Placer Northeast side of Squaw Peak, Sierra Nevada 2591 Comment
  CAS-BOT-BC412851  Aconogonon davisiae Miss. T. V. Raphael 1923-7-1 s.n. Placer Cisco, Lookout Mt. Comment
  SACT000029  Aegilops triuncialis D. Meyer 1983-7-24 Placer Moist, shady roadside 1036.32 Comment
  UCR218227  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2010-6-26 16410 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  UCD128553  Ageratina occidentalis A. T. Leiser 1972-8-14 s.n. Placer Alpine Meadows. Comment
  RSA0049718  Agoseris aurantiaca var. aurantiaca Dean Wm. Taylor 2013-8-7 21394 Placer Coldstream Valley, just above Horseshoe Bend on the railroad mainline 1889 Comment
  UC449602  Agoseris aurantiaca var. aurantiaca Miss Helen D. Geis Jun 1 1912-Jul 1 1912 196 Placer Deer Park Deer Park Comment
  CHSC74187  Agoseris glauca var. monticola Susi Urie 1998-9-4 98 -267 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  JEPS126348  Agoseris monticola Steve Matson 2002-6-29 536 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on west side of pole near Highway 28. Comment
  JEPS126360  Agoseris monticola Steve Matson 2003-6-9 793 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards south of Martis Dam Road, 20 yards of airport creek, 200 yards NW of vernal pools near Highway 267. Comment
  POM260172  Agoseris retrorsa C. L. Hitchcock 1940-5-7 6325 Placer 1 mile west of Baxter Comment
  UCD41293  Agoseris retrorsa Ellen Dean; Davis Botanical Society 2003-5-17 1756 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
  SACT000065  Agropyron trachycaulum D. Meyer 1984-7-21 Placer 2.88 km from Placer County line, sagebrush type vegetation 1758.0 Comment
  JEPS83018  Agrostemma githago Doug James 1973-5-27 115 Placer Off Auburn-Forest Hill Road 11.2 mi from Highway 49 655 Comment
  UCD150662  Agrostemma githago var. githago Kwei-lin Lum 1973-5-27 139 Placer Collected at Auburn-Foresthill Rd., 11.2 mi from Hwy 49, 7.5 mi from Foresthill. 655 Comment
  UCR249607  Agrostis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20837 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UCD163426  Agrostis avenacea Robert E. Preston 2015-5-29 3003 Placer 1.8 mi SE of Sheridan, 0.5 mi E of Old Hwy 65, 0.25 mi N of Yankee Slough. 33 Comment
  SACT000128  Agrostis diegoensis D. Meyer 1984-7-15 Placer Soda Springs Rd. 3.3 mi from Sevene Lakes Lodge. 1909.0 Comment
  SACT000129  Agrostis diegoensis D. Meyer 1984-7-29 Placer Poppy Campground. South of French Meadows Reservoir near boat ramp. Shady area. 1600.0 Comment
  SACT000085  Agrostis exarata D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  SACT000090  Agrostis exarata D. Meyer 1984-7-29 Placer 1661.0 Comment
  SACT000097  Agrostis exarata D. Meyer 1984-7-8 Placer Road to Lake Valley Reservoir, roadside. 1758.0 Comment
  SEINET10268403  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 198895 Placer Northern Sierra Nevada Mountains: junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  SEINET238859  Agrostis exarata Beecher Crampton 1952-11-9 930 Placer 6 miles east of Auburn 1 mile south of Meadow Vista. 457 Comment
  UCD34018  Agrostis exarata Beecher Crampton 1975-9-9 9269 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  UCD34022  Agrostis exarata Beecher Crampton 1975-9-9 9273 Placer Placer County, Gold Run rest area on Hwy. 80. 914 Comment
  UCD52335  Agrostis exarata E. Wilson 1935-8-12 s.n. Placer 2 miles above Cisco Grove. Comment
  UCR206677  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15191 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCR233389  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18171 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  UCR249606  Agrostis exarata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20838 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  SEINET10789967  Agrostis exarata Unknown Anonymous 12891 Placer Summit Station in open places in coarse granite sand, upper limit of the yellow pine belt (P. Jeffreyi). 2121 Comment
  SACT000113  Agrostis exarata var. monolepis D. Meyer 1984-6-23 Placer Iowa Hill rd 9.76 km from I80 Frontage Rd. Moist shady roadside ditch. Oak, pine, manzanita. 978.0 Comment
  CAS-BOT-BC139254  Agrostis idahoensis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  SACT000185  Agrostis idahoensis D. Meyer 1983-7-30 Placer Moist areas on both sides of the road. 2072.64 Comment
  SBBG115650  Agrostis microphylla B. Crampton 1957-5-7 3998 Placer ca. 1.7 mi E of Lincoln, rd to Newcastle Comment
  UCD37111  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer Placer County, 1.7 miles east of Lincoln, road to Newcastle. Comment
  CAS-BOT-BC139000  Agrostis pallens A. A. Heller 1917-8-13 12897 Placer Base of a cliff north of Summit hotel. 2164 Comment
  UC814990  Agrostis pallens unknown 12892 Placer Summit Station 2121 Comment
  UCD36702  Agrostis scabra Beecher Crampton 1955-7-13 2984 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  RSA129605  Agrostis stolonifera B. Bolt 1934-8-14 5914 Placer E. slope of Red Star Ridge 1768 Comment
  SACT000197  Agrostis stolonifera var. major D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT000201  Agrostis stolonifera var. major Michael Baad 1976-8-4 Placer Picayune Trail at end of Jeep road, two miles east of Talbot Camp, ne of mildred ridge 1975.0 Comment
  SACT000217  Agrostis tenuis D. Meyer 1984-8-17 Placer 667.0 Comment
  SACT000252  Agrostis variabilis Michael Baad 1976-8-7 Placer 2072.64 Comment
  UCD22257  Agrostis variabilis Beth Lowe Corbin 1982-8-18 372 Placer 1 1/4 miles SW of The Cedars. NE facing slope, 10% incline. Mostly sun. Occasional. Opening in white fir forest in rocky, fine, sandy, granitic soil. Perennial forming very small tufts. 1813 Comment
  SACT000259  Agrostis viridis Josephine Van Ess 1976-5-12 Placer just north of the campus. small stream. 1/2 mile past Bankhead Street stream. 91.5 Comment
  SACT000264  Aira caryophyllea Josephine Van Ess 1976-4-14 Placer along foot path in natural area; open gravel area 97.6 Comment
  UCSB45747  Aira caryophyllea Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  POM110067  Allium campanulatum Marcus E. Jones 1882-6-30 2881 Placer Emigrant Gap. Comment
  SEINET176938  Allium campanulatum M. E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  CAS-BOT-BC466755  Allium campanulatum Marcus E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  JEPS59455  Allium campanulatum Ezra Brainerd and Viola B. Baird 1915-7-7 190 Placer North Fork of Squaw Creek Valley Sierra Nevada Mts., North Fork of Squaw Creek Valley 1981 Comment
  UC177416  Allium obtusum A. R. Valentien June 1914 Placer Cisco Comment
  CAS-BOT-BC132053  Allium peninsulare var. peninsulare David D. Keck 1933-6-1 2431 Placer 2.3 miles southeast of Loomis on back road to Folsom Comment
  UC566211  Allium platycaule N. French 1934-6-22 458 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2286 Comment
  CAS-BOT-BC474083  Allium platycaule L. Smith 1926-5-26 1873 Placer Duncan Canyon above Forks, Tahoe Forest 1676 Comment
  CAS-BOT-BC476704  Allium validum G. P. Rixford 1916-7-1 s.n. Placer Not specified 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
  UC880192  Allophyllum gilioides subsp. violaceum A. A. Heller 1917-8-13 12900 Placer base of cliff n. of Summit hotel 2164 Comment
  UCR229554  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-7-26 17903 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
  UC1076427  Alnus incana subsp. tenuifolia H. L. Mason 1929-10-4 5463 Placer 4 mi s Truckee (on Truckee-Tahoe Rd, along river); Truckee River Comment
  SACT002781  Alnus tenuifolia Michael Baad 1983-8-11 Placer Collected on trail from Whiskey Creek to Mildred Ridge 2133.0 Comment
  SACT000314  Alopecurus pratensis D. Meyer 1984-5-27 Placer Meadow surrounded by sagebrush type vegetation. Hwy 267 Comment
  UCD150261  Amaranthus albus James A. Neilson Jr. 1971-9-9 2601 Placer Placer: Tahoe City Nursery (McBride's Nursery). 1905 Comment
  SJSU11705  Ambrosia artemisiifolia C. T. Osugi 1969-10-4 86 Placer Loomis, 21 miles NE of Sacramento Comment
  JEPS44681  Amelanchier Katharine Brandegee Jul 1908 Placer Alta Comment
  CDA12417  Amelanchier alnifolia var. semiintegrifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8545 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS111241  Amelanchier utahensis Steve Matson 2005-6-19 1297 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  UC1127779  Amelanchier utahensis N. French 1934-5-31 391 Placer 1 mi se Texas Hill; Tahoe National Forest, Colfax Quad. 1615 Comment
  UCD22262  Amelanchier utahensis Beth Lowe Corbin 1982-8-3 202 Placer Hill NW of Onion Creek Campground. 1853 Comment
  CAS-BOT-BC180674  Amorpha californica var. californica H. M. Hall; F. M. Essig 1916-6-5 10159 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada 400 Comment
  SEINET11792336  Amsinckia douglasiana D. F. Erskine 1941-4-11 25 Placer 5 miles north of Roseville 91 Comment
  UC891435  Anaphalis margaritacea A. A. Heller 1916-8-13 12907 Placer 2133 Comment
  UCD44568  Anaphalis margaritacea C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1934 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET14147949 Image available Anaphalis margaritacea F. A. MacFadden 1934-7-28 2944 Placer Donner Lake Comment
  SEINET14147950 Image available Anaphalis margaritacea Ira L. Wiggins 1933-8-21 6783 Placer near Tahoma, shores of Lake Tahoe Comment
  UCD56040  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer north slope of the North Fork of the American River, along State Hwy. 49, 1 mile SE of Auburn. Comment
  UCR146673  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer Sierra Nevada foothills, 1 mile east ['southeast'] of Auburn; north slope above North Fork of American River along State Highway 49 305 Comment
  UCD56087  Andropogon virginicus Beecher Crampton 1957-5-7 3995 Placer along Thermalands Road, 2 miles northeast Lincoln. Comment
  CAS-BOT-BC128576  Androsace occidentalis Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  UC372857 Image available Androsace occidentalis var. simplex Marcus E. Jones, A. M. 1882-4-29 Placer Emigrant Gap Comment
  JEPS111135  Anemone drummondii Steve Matson 2005-5-21 1238 Placer North shore of Lake Tahoe; Cedar Flat; National Forest; 39.1842 N, 120.1085 W; elevation 6700 ft. 2042 Comment
  JEPS72337  Anemone occidentalis Gladys L. Smith 1972-6-20 3251 Placer just below summit Ward Peak 2628 Comment
  UCR171396  Angelica George K. Helmkamp, E. A. Helmkamp 2005-10-1 9994 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
  UCR190224  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2007-8-1 12649 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  HSC71312  Angelica breweri J. M. DiTomaso 1980-9-7 1974 Placer Lake Tahoe, Tahoe Pines, 20 m from W shore 1899 Comment
  HSC71426  Angelica breweri J. M. DiTomaso 1980-9-7 1976 Placer Lake Tahoe, 3 mi W of Tahoe City on Hwy 89 1890 Comment
  UC29466  Antennaria argentea C. F. Sonne Jul 7 1886-Jan 1 1900 Placer on, (woods) Truckee River; Sierra Nevada Mountains Comment
  CAS-BOT-BC137710  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Near Cisco. 914 Comment
  SACT000336  Anthoxanthum odoratum Josephine Van Ess 1977-5-13 Placer 2120 Bald Hill Road. Moist ditch bank. 365.8 Comment
  SACT000342  Anthoxanthum odoratum D. Meyer 1984-6-3 Placer 585.0 Comment
  UCR133556  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Sierra Nevada Mtns., near Cisco, 'El. 3000 ft. 1829 Comment
  UCR242999  Anthriscus caucalis Richard C. Schulhof 1984-5-19 22 Placer Sierra Nevada Mtns. Foothills, On Road 49, 3 miles south of Auburn [toward Cool] 671 Comment
  UC1618291  Aphanes macrosepala Barbara Ertter with David Thompson 1989-4-9 8185 Placer 8 air mi ne of Auburn (on nw side of Auburn-Forest Hill Road 6.2 mi sw of Spring Garden Road jct); Auburn-Forest Hill Road 609 Comment
  UCR193395  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2007-5-30 12209 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 Comment
  SEINET7923476  Apocynum androsaemifolium K. A. Chandler 1901-8-21 s.n. Placer Half Moon, near Tahoe Comment
  SEINET12282810  Apocynum pumilum Unknown 1968-1 s.n. Placer Yellow Pine Forest, French Meadows, near the Big Trees 1676 Comment
  CAS-BOT-BC397904  Aquilegia formosa S. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  UC853791  Aquilegia formosa Marcus E. Jones 1882-6-28 2614 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  UCR242334  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2010-7-28 16651 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  CAS-BOT-BC397896  Aquilegia formosa R. K. Wellman 1981-5-15 034 Placer Highway 89 4.5 mi. N. of Truckee. 1676 Comment
  SEINET12092704  Aquilegia formosa J. H. Nishida 1985-1 782 Placer Homewood: Red Fir Forest 1829 Comment
  RSA0053709  Aquilegia formosa var. formosa G. K. Helmkamp, E. A. Helmkamp 2012-9-25 19797 Placer Northern Sierra Nevada Mountains along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  RSA99523  Aquilegia formosa var. truncata Marcus E. Jones 1882-6-28 2614 a Placer Emigrant Gap. 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
  CDA12380  Arabis lyallii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8508 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  UCD20193  Araucaria columnaris Jack McCaskill 1968-10-19 s.n. Placer Laguna Beach, in front of private residence, 1251 North Beach Highway. Comment
  CAS-BOT-BC24245  Arctostaphylos mewukka L. R. Abrams 1910-7-1 4992 Placer Near Blue Canyon on Union Pac. R.R. Comment
  JEPS14033  Arctostaphylos mewukka Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3880 Placer n-facing serpentine slope just s Shirttail Public Camp (nr. headwaters of Shirttail Creek, 6 mi e of Iowa Hill); Tahoe Nat. Forest 1127 Comment
  SEINET7258492  Arctostaphylos mewukka W. Priest 1956-3-27 s.n. Placer About 1/4 mile east of Colfax 1067 Comment
  CAS-BOT-BC40041  Arctostaphylos nevadensis Mary P. Wells 1980-9-12 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  CAS-BOT-BC40047  Arctostaphylos nevadensis Brandegee 1889-1-1 s.n. Placer Donner Comment
  POM286039  Arctostaphylos nevadensis Lyman Benson 1933-6-26 4539 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  RSA121256  Arctostaphylos nevadensis N. H. French 1934-6-1 397 Placer N Fork of N Fork of American River 1250 Comment
  CAS-BOT-BC42145  Arctostaphylos patula Olga Reifschneider 1955-5-29 s.n. Placer Martis Peak Road, Hirschdale, 9 miles east of Truckee 2133 Comment
  HSC35045  Arctostaphylos patula Thomas W. Nelson, James Nelson 1974-6-17 1361 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  UCD21477  Arctostaphylos patula Rex Palmer 1979-5-27 N 64 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD53447  Arctostaphylos patula subsp. patula Gary D. Wallace; R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1420 Placer Sierra Nevada; Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
Read comments
Jul 23 2017
  UCR60630  Arctostaphylos patula subsp. patula G. D. Wallace, R. F. Thorne, Larry E. DeBuhr, et al. 1975-4-13 1420 Placer Sierra Nevada, Baxter exit off Hwy 80 between Alta and Blue Can. 1207 Comment
  UCD52052  Arctostaphylos uva-ursi Ellen Dean 2002-9-28 1301 Placer Gold Run rest area along Hwy 80, just before exit to Dutch Flat. 762 Comment
  UCSB23697  Arctostaphylos viscida Orr, Bruce 1966-4-5 Placer 1.2 miles northeast of Highway 80 at junction with Goldrun Road, Sierra Nevada 1066 Comment
  RSA306168  Arctostaphylos viscida subsp. viscida Fay A. MacFadden 1934-3-25 12411 Placer Dutch Flat. 1067 Comment
  UC1121432  Arctostaphylos viscida subsp. viscida G. T. Nordstrom 1934-6-22 153 Placer 1 mi nw mouth of Big Valley; Tahoe National Forest, Colfax Quadrangle Comment
  SEINET5784772 Image available Arenaria congesta Marcus E. Jones 1882-1 3278 Placer Emigrant Gap Comment
  JEPS72319  Arenaria kingii var. glabrescens Gladys L. Smith 1972-6-20 3207 Placer about terminus of summit chairlift Ward Peak 2621 Comment
  SACT000296  Aristida oligantha Josephine Van Ess 1982-9-3 Placer Collected about 1 mile west of Fiddyment Road on Tributary; near old streambank, edge of ditch 27.4 Comment
  CAS-BOT-BC82202  Arnica chamissonis Geo. B. Grant 1906-7-15 6993 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  CHSC72867  Arnica chamissonis L. P. Janeway; Eric Schroder 1998-7-13 5757 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC74186  Arnica chamissonis Susi Urie 1998-9-2 98 -200 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UC468965  Arnica cordifolia Miss Helen D. Geis Jun 1 1912-Jul 1 1912 38 Placer Deer Park Comment
  UC892075  Arnica cordifolia Alice Eastwood Jun 15 1912-Jun 19 1912 450 Placer Tahoe City Lake Tahoe Region 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
  RSA123055  Arnica dealbata B. Bolt 1934-8-14 171 Placer Red Star Ridge, between Mount Mildred and Middle Fork of the American River, Tahoe National Forest. 2134 Comment
  POM51369  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer Near Pole Creek on Truckee River. Comment
  UC197366  Arnica dealbata C. F. Sonne 1895-7-14 Placer hillside near Pole Creek; Sierra Nevada Mountains, Truckee River Comment
  UC197284  Arnica longifolia C. F. Sonne 1897-8-1 Placer Mt. Anderson (e slope) Sierra Nevada Mountains, Mt. Anderson 2438 Comment
  POM308731  Arnica longifolia subsp. myriadenia Betty J. Jorgensen 1944-7-23 530 Placer Near Soda Springs. Comment
  HSC33422  Arnica mollis Thomas W. Nelson, James Nelson 1974-6-17 1372 Placer Dollar Point N of Lake Tahoe City 1585 Comment
  JEPS35865  Arnica mollis C. F. Sonne 1887-8-7 378 Placer Sierra Nevada Mountains Comment
  JEPS111285  Arnica nevadensis Steve Matson 2005-7-30 1422 Placer Squaw Valley ski area, about 1 km west of High Camp (top of tramway), under Shirley Canyon chairlift upper terminal: 39.1942 N, 120.2721 W ; elevation 8,100 ft. 2468 Comment
  SEINET11837497  Arnica nevadensis C. F. Sonne 1885-1 s.n. Placer Anderson's Peak. Trukee Knob Comment
  UC65331  Arnica nevadensis P. B. Kennedy and S. B. Doten 1901-8-10 274 Placer Devils Cliff (summit of) Summit Soda Springs Comment
  SACT000348  Arrhenatherum elatius D. Meyer 1984-6-10 Placer 606.0 Comment
  CDA15949  Artemisia arbuscula G. F. Hrusa, J. Glazner 1999-7-17 15135 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS72586  Artemisia arbuscula Gladys L. Smith 1972-6-20 3199 Placer about terminus of summit chairlift Ward Peak 2621 Comment
  UC202223  Artemisia arbuscula A. A. Heller 1917-8-13 Placer ridge nw of Donner Pass 2346 Comment
  CAS-BOT-BC85015  Artemisia arbuscula subsp. arbuscula C. F. Sonne 1886-8-15 372 Placer Mt. Topi S. of summit Comment
  UCD38933  Artemisia douglasiana Beecher Crampton 1961-9-27 6013 Placer 1 mile west of Cisco Grove. 1706 Comment
  CAS-BOT-BC90401  Artemisia douglasiana P. B. Kennedy; S. B. Doten 1901-8-19 420 Placer 7 miles from French Meadows Comment
  CAS-BOT-BC90715  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer Base of a cliff north of Summit hotel 2164 Comment
  UC480756  Artemisia tridentata W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  UCD33481  Artemisia tridentata Beecher Crampton 1968-9-18 8383 Placer 1.5 miles east of Emigrant Gap on Interstate 80. 1676 Comment
  CAS-BOT-BC97199  Artemisia tridentata subsp. vaseyana Lewis S. Rose 1937-7-30 37620 Placer 3 mi. S of Truckee 1828 Comment
  SACT000349  Arundo donax D. Meyer 1984-5-28 Placer 48.5 Comment
  CAS-BOT-BC400622  Asarum hartwegii A. A. Robson 1915-5-8 221 Placer Tahoe National Forest Comment
  CAS-BOT-BC400748  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
  SBBG50998  Asclepias cordifolia N. R. Zabriskie, W. Zabriskie 1973-6-7 668 Placer Emigrant Gap,off Interstate 80 W of Donner Pass 1615 Comment
  SEINET178467  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant Gap. Comment
  UC879249  Asclepias cordifolia Marcus E. Jones, A. M. 1882-6-30 2802 Placer Emigrant Gap Comment
  CAS-BOT-BC474548  Asclepias speciosa James A. Neilson 1971-7-25 2283 Placer Tahoe Basin, King's Beach 1901 Comment
  SCFS11529135  Aspidotis densa E. Krimmel, F. Felix 2012-9-13 Placer NFAm, on trail. Tucked around rocks in shallow ravine. Comment
  CDA16048  Aster breweri G. F. Hrusa, J. Glazner 2000-9-3 15664 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  POM57913  Aster breweri A. M. Carpenter 1892-08 5049 Placer [No locality information on label] Comment
  RSA714090  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9983 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
  UCR209728  Aster radulinus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15453 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  SCFS1187  Asteraceae E. Krimmel 2014-4-21 Placer NFAm. 200 yards south of Pt. Mariah warming hut Comment
  SEINET5324976  Astragalus andersonii F. H. Hillman s.n. Placer Between Truckee and Tahoe Comment
  UCD105214  Astragalus purshii S. S. Smith 1916-6 414 Placer Squaw Valley. 1828 Comment
  UCD66825  Asyneuma prenanthoides Beecher Crampton 1956-7-17 3730 Placer Blue Canyon. 1432 Comment
  JEPS35131  Athyrium distentifolium var. americanum C. F. Sonne Aug 1887 324 Placer e slope Mt Anderson (above Coldstream); Sierra Nevada Mts 2590 Comment
  RSA692528  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1953-1 4943 Placer [no locality information provided] Comment
  UC726479  Athyrium filix-femina var. cyclosorum A. A. Heller 1919-7-24 13299 Placer near Cisco Comment
  CAS-BOT-BC66088  Athyrium filix-femina var. cyclosorum F. A. MacF. 1934-7-26 12612 Placer foot of Red Mt. Comment
  UC147648  Balsamorhiza deltoidea Harriet A. Walker 1908-6-24 1285 Placer Blue Canon 1432 Comment
  CAS-BOT-BC100071  Balsamorhiza macrolepis B. Crampton 1957-5-7 3983 Placer Uncultivated strip along the railroad and US Hwy. 99E, 3.2 miles north of Roseville 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
  UC472196  Balsamorhiza macrolepis Francis Ramaley 1917-4-15 11109 Placer Lincoln Comment
  UCD129529  Balsamorhiza sagittata A. A. Heller 1917-6-18 12727 Placer Yuba Pass. Comment
  UCD21699  Balsamorhiza sagittata Rex Palmer 1979-6-9 N 160 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC16552  Barbarea orthoceras A. A. Heller 1917-6-17 12697 Placer Along the Yuba River below Cisco. 1676 Comment
  CHSC72870  Barbarea orthoceras L. P. Janeway; Eric Schroder 1998-7-13 5758 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD22357  Barbarea orthoceras Rex Palmer 1979-6-20 N 345 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD129459  Bidens frondosa Beecher Crampton 1975-9-9 9276 Placer Gold Run rest area along Interstate Hwy. 80 W. 914 Comment
  CAS-BOT-BC102055  Bidens frondosa John Thomas Howell 1929-10-4 4427 Placer 1 1/2 miles from Auburn on road to Colfax Comment
  CAS-BOT-BC413048  Bistorta bistortoides Alice Eastwood 1909-1-1 74 Placer Lake Tahoe Region. Sunnyside Comment
  SEINET4176621  Bistorta bistortoides L. Miller 1934-5-20 s.n. Placer Between Truckee and Tahoe Comment
  JEPS53134  Boechera covillei C. F. Sonne Jul 1887 1390 Placer Mountain Meadows on Truckee River Truckee River Comment
  SEINET5340636  Boechera platysperma A. A. Heller 1903-7-20 6975 Placer Donner Pass. 2134 Comment
  JEPS72035  Boechera rectissima Gladys L. Smith 1972-6-20 3205 Placer Ward Peak, about terminus of Summit chairlift Ward Peak 2621 Comment
  UC186849  Boechera sparsiflora C. F. Sonne 1885-6-21 Placer Truckee River (Polo Creek) Truckee River Comment
  CHSC11101  Boykinia major Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  CAS-BOT-BC418413  Boykinia occidentalis F. A. Mac Fadden 1934-7-1 12581 Placer Canyon Creek, Monte Vista Comment
  SACT000438  Brachypodium distachyon Josephine Van Ess 1977-5-6 Placer Collected just inside park; opening in chaparral 176.8 Comment
  UCD114808  Brassica rapa G. K. Helmkamp; E. A. Helmkamp 2006-2-9 10064 Placer Northern Central Valley: Clark Tunnel Road and CA Highway 193, E of Lincoln. 113 Comment
  UCD129631  Brickellia californica G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12961 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road 6 miles east of Foresthill. 610 Comment
  SACT000455  Briza minor D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  UCD57424  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco. 914 Comment
  SEINET10835830  Briza minor Alan A. Beetle 1941-5-26 Beetle 2711 Placer Near Cisco, shrubby hillside, sandy loam. 914 Comment
  SCFS1101  Brodiaea elegans E. Krimmel 2014-6-26 Placer "Land of the Lost": on trail, 1/3 of the way from Serena Creek to Heath Falls Overlook. Comment
  UC1134031  Brodiaea elegans subsp. elegans G. T. Nordstrom 1934-6-21 144 Placer 2 mi w Mammoth Spring; Tahoe National Forest, Colfax Quadrangle Comment
  UCD77185  Brodiaea minor Robert E. Preston 2004-6-12 2255 Placer Ca. 1 mile east of Colfax, along Iowa Hill Road. 342 Comment
  CAS-BOT-BC144325  Bromus W. R. Dudley 1900-6-28 s.n. Placer Near Tallac. Comment
  SACT000380  Bromus carinatus D. Meyer 1984-6-17 Placer Southeast of Weimar. 545.0 Comment
  SACT000387  Bromus carinatus D. Meyer 1984-7-8 Placer very moist streambank, beneath bridge. 1440.0 Comment
  SACT000517  Bromus carinatus 1983-8-7 Placer near gate into ski area parking lot, moist meadow with many sedges 2072.0 Comment
  UC2042516  Bromus carinatus Holly Forbes and Barbara Keller 2010-7-13 Placer Tahoe National Forest, at Chalet Road near the intersection of road to parking area and Subway Lift at Alpine Meadows Ski Resort Comment
  UCD43285  Bromus carinatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 653 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  RSA97575  Bromus carinatus P. H. Raven 1950-6-16 2412 Placer Boxters Comment
  UCSC000050  Bromus carinatus N. French 1934-6-22 s.n. Placer 0.5 mile W. of Dulzura - Truckee, Tahoe N.F. 2134 Comment
  CHSC73251  Bromus carinatus var. carinatus L. P. Janeway 1998-8-6 5989 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SACT000501  Bromus carinatus var. carinatus James Grove 1977-7-15 Placer 2000.0 Comment
  CAS-BOT-BC156283  Bromus catharticus John Thomas Howell; Gordon H. True 1968-6-9 44512 Placer Sierra Nevada. Alta. 1066 Comment
  UC790922  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
  SACT000564  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-7-3 Placer 1227.3 Comment
  SACT000596  Bromus laevipes D. Meyer 1984-6-3 Placer dam lookout 224.0 Comment
  SACT000654  Bromus marginatus Michael Baad 1976-6-17 Placer 1097.28 Comment
  SACT000691  Bromus marginatus D. Meyer 1983-10-22 Placer from base of Searchlight chairlift to base of Olympic Lady chairlift, downhill ski area, straw added for erosion control 2000.0 Comment
  SACT000702  Bromus marginatus D. Meyer 1983-7-30 Placer Moist areas on both sides of road 2072.64 Comment
  SEINET3923241  Bromus marginatus Beecher Crampton 1985-6-23 9998 Placer North Shore Lake Tahoe, Stateline road.; 0 Comment
  CAS-BOT-BC162162  Bromus orcuttianus Catherine Best 1981-8-2 s.n. Placer Sierra Nevada. About 2 miles southwest of French Meadows on the road of Big Meadow. Comment
  CAS-BOT-BC162164  Bromus orcuttianus Beecher Crampton 1956-7-17 3723 Placer At the railroad crossing at Blue Canyon. 1432 Comment
  SEINET4391133  Bromus rigidus A. Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-1 606 Placer One mile north of Lincoln.; 0 Comment
  SACT000678  Bromus sterilis Michael Baad 1983-4-17 Placer descending to middle fork of the American River. serpetine outcrop. 411.48 Comment
  CDA16033  Bromus suksdorfii G. F. Hrusa, J. Glazner 2000-9-3 15680 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. Abies concolor, A. magnifica, Pinus monticola, P. contorta forest with dense herbaceous understory. Common, cutover understory, in openings. 2164 Comment
  UC905446  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer s of Summit Valley (Mount Lincoln); Mount Lincoln 2499 Comment
  UCD59738  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  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
  SACT000776  Bromus tectorum D. Meyer 1983-6-18 Placer 1170.0 Comment
  UCD59772  Bromus tectorum var. glabratus Beecher Crampton 1955-6-15 2873 Placer Bunch Canyon head, 1 mile south of U. S. Hwy. 40 on the Forest Hill Road. Comment
  SEINET3924020  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass.; 0 2286 Comment
  UC148340  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer above Donner Pass 2286 Comment
  UCR2267  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass 2287 Comment
  CHSC74154  Calamagrostis canadensis Susi Urie 1998-8-13 98 -036 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
  UC1137093  Calamagrostis canadensis August L. Hormay 1932-7-8 Placer Lake Tahoe, W side; 3 miles [from?] South Tavern Comment
  UC1729975  Calamagrostis canadensis L. P. Janeway, Eric Schroder 1998-9-16 6327 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek); Homewood Quadrangle 2124 Comment
  UCD43160  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 528 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CDA37239  Calandrinia ciliata CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  SEINET9097649  Calandrinia ciliata var. menziesii W. D. Billings 1939-3-19 1195 Placer Sierra Foothills, 10 miles NW of Auburn. Comment
  JEPS113281  Callitriche heterophylla var. bolanderi Lowell Ahart, Brian Williams 2007-4-13 13669 Placer In shallow water, in and around a large vernal pool, just over the fence (west), about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 41 Comment
  UC401358  Calocedrus decurrens K. Brandegee Placer Alta Comment
  UCR146860  Calocedrus decurrens Beecher Crampton 1960-11-2 5798 Placer Sierra Nevada Mountains, town of Gold Run 976 Comment
  UC198915  Calochortus albus C. F. Sonne 1891-5-17 Placer between Auburn and Newcastle Comment
  JEPS111213  Calochortus leichtlinii Steve Matson 2005-7-4 1376 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; 39.2872 N, 120.1382 W: elevation 5,900 ft. 1798 Comment
  UCD21610  Calochortus leichtlinii E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1279 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. Open W-facing granite slope, ascending ridge. 2300 Comment
  SEINET11261859  Calochortus minimus George Helmkamp, E. A. Helmkamp 2012-5-11 18941 Placer Foothills, Northern Sierra Nevada Mountains: Finning Mill Road, at the junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1136 Comment
  SJSU9954  Calochortus minimus R. L. Fisher 1959-6-26 Placer Yuba Gap, Highway 40 1676 Comment
  CAS-BOT-BC483462  Calochortus minimus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap Comment
  CAS-BOT-BC483464  Calochortus minimus M. S. Jussel 1928-7-22 s.n. Placer Velma Lakes, Lake Tahoe region Comment
  CAS-BOT-BC483471  Calochortus minimus H. D. Ripley; R. C. Barneby 1948-7-13 9835 Placer Yuba Gap, Placer-Nevada Co. line 1828 Comment
  UCR235376  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18958 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  CAS-BOT-BC493401  Calochortus monophyllus L. Constance; J. L. Morrison 1938-4-30 2172 Placer At E. edge of Applegate, Sierra Nevada foothills 609 Comment
  CAS-BOT-BC493405  Calochortus monophyllus Georgia Bentley 1919-4-20 s.n. Placer At Auburn near river Comment
  UCD19196  Calochortus monophyllus Heidi Pedersen; PLB 102 1987-5-23 22 Placer ca. 10 mi. past Forest Hill on Mosquito Ridge Rd. 466 Comment
  UC147616  Calochortus nudus Miss Harriet A. Walker 1908-6-26 1317 Placer Cisco 1810 Comment
  UC1134526  Calochortus superbus C. R. Clar 1933-6-21 136 Placer s of Dry Creek; Sacramento Quad. 426 Comment
  CAS-BOT-BC270653  Calycadenia multiglandulosa David D. Keck 1932-7-1 1590 Placer 2 miles N of Auburn 425 Comment
  UC1119104  Calycadenia multiglandulosa N. French 1933-6-22 81 Placer n of Blad Rock Mountain; Smartsville Quad. 548 Comment
  UC419713  Calycadenia multiglandulosa Mrs. H. P. Bracelin 1930-10-12 101 Placer 1st summit n of, on Georgetown Rd. Colonia Comment
  RSA255512  Calycadenia spicata Gerald D. Carr 1971-8-15 631 Placer Karchner Road, about 6 miles east of Wheatland 61 Comment
  CAS-BOT-BC275403  Calycadenia truncata var. truncata D. L. Smith; G. L Smith 1976-7-4 C 7688 Placer SE side of Ralston Ridge 1554 Comment
  UCD100406  Calyptridium umbellatum Beecher Crampton 1958-6-24 4958 Placer Placer-Nevada County line: Eastern edge of Martis Valley, ca. 4 miles east of Truckee. Comment
  UC452683  Calyptridium umbellatum Katharine Brandegee 1889-1 Placer Summit of Placer Placer Comment
  UCD33735  Calystegia malacophylla Beecher Crampton 1972-7-26 8846 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC221212  Calystegia malacophylla subsp. malacophylla Marcus E. Jones 1882-6-28 3299 Placer Emigrant Gap Comment
  CAS-BOT-BC221214  Calystegia malacophylla subsp. malacophylla Marcus E. Jones 1882-6-28 3299 Placer Emigrant Gap Comment
  UCD126144  Calystegia occidentalis D. H. Hartmann 1941-6-8 s.n. Placer E. of Auburn, along U.S. #40. 914 Comment
  CDA33597  Calystegia occidentalis subsp. fulcrata Dale Woods 2010-8-12 s.n. Placer Finning Mill Road. One mile more or less to Hughes Mill. 0 Comment
  UCD21723  Calystegia occidentalis subsp. occidentalis Robin McMaster 1973-6-3 430 Placer Off highway, near Weimer. Comment
  CAS-BOT-BC418637  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff; K. Van Zuuk; B. Ertter 2012-6-12 22053 Placer Tahoe National Forest, 7.5 miles NE of Foresthill, on Finning Mill Road 5.6 miles from Foresthill Divide Road 1098 Comment
  CHSC112057  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22047 Placer Tahoe National Forest, 3 miles NE of Foresthill, Western States Trail c. 1 mile from Michigan Bluff Road. 1091 Comment
  SEINET12057273  Camassia leichtlinii F. H. Utech 1978-6-23 78 -251 Placer ca 0.5 km NNE of Boreal Ridge Road along I-80E, near Laing Road 1829 Comment
  CAS-BOT-BC493373  Camassia quamash subsp. breviflora Elizabeth Parsons Hawver 1909-6-1 s.n. Placer Tahoe City, Lake Tahoe Region Comment
  RSA0009457  Camassia quamash subsp. breviflora Marcus E. Jones 1902-6-27 s.n. Placer Placer County: Emigrant Gap Comment
  UCR146859  Campanula prenanthoides Beecher Crampton 1956-7-17 3730 Placer Sierra Nevada Mountains, Blue Canyon 1433 Comment
  JEPS59466  Campanula prenanthoides Ezra Brainerd and Viola B. Baird 1915-7-31 203 Placer above Nevada City; Sierra Nevada 1524 Comment
  SEINET10463250  Campanula prenanthoides Feudge 1927-7-18 FEUDGE 1774 Placer Emigrant Gap 1524 Comment
  CAS-BOT-BC37257  Cardamine breweri Arnold Tiehm 1974-8-8 519 Placer Sierra Nevada. Murphy's Meadow. 2407 Comment
  CDA12399  Cardamine breweri G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8527 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD22365  Cardamine breweri Rex Palmer 1979-7-26 N 835 A Placer Headwaters basin area of the North Fork of the American River Comment
  RSA151578  Cardamine breweri Paul A. Mitchell 1960-6-5 118 Placer D. L. Bliss State Park; in small Cr[eek] crossing State Hwy 89 about 0.5 mile N of Entrance Station. 2073 Comment
  SEINET3402476  Carduus pycnocephalus subsp. pycnocephalus R. W. Spellenberg, N. Zucker 2011-4-15 14276 Placer Along CA Hwy. 65 1.5 km N of Lincoln, ca. 40 air km NE of Sacramento. 55 Comment
  CAS-BOT-BC18343  Carex Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  JEPS63736  Carex angustata L. S. Smith June, 1916 561 Placer Squaw Valley Comment
  UCD44521  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1887 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC74284  Carex athrostachya Susi Urie 1998-8-29 98 -173 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD75942  Carex athrostachya Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5181 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  UC830194  Carex aurea Alice Eastwood Jun 15 1912-Jun 19 1912 473 Placer Tahoe City Lake Tahoe Region, Tahoe City Comment
  CAS-BOT-BC19071  Carex aurea John Thomas Howell 1938-8-2 14002 Placer 5 miles north of Brockway. Comment
  CAS-BOT-BC19396  Carex bolanderi Saichi Kawahara 1969-7-6 1431 Placer East Fork of Indian Creek. Mel Henderson Ranch. Swing near old cabin. 999 Comment
  UC1133335  Carex canescens L. S. Smith 1927-8-11 2199 Placer Squaw Valley Truckee Quadrangle, Squaw Valley 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
  CAS-BOT-BC20688  Carex fracta Lewis S. Rose 1944-7-10 44043 Placer Quail Lake, 3 miles west of Chambers Lodge Lake Tahoe. 2133 Comment
  RSA22116  Carex fracta J. T. Howell 1938-8-2 14012 Placer Near Calneva. Comment
  RSA0115171  Carex hassei Lyman Benson 1942-7-2 11264 Placer Highway junction 1 mile west of Truckee. Mt. Range: Sierra Nevada. 1828 Comment
  SEINET3901910  Carex heteroneura Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; M. Bibbo; T. Sasaki; J. Poloske 2008-7-19 5135 Placer Donner State Oark, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  CHSC69224  Carex heteroneura var. heteroneura James D. Jokerst 1986-7-12 2696 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  CHSC68057  Carex hoodii James D. Jokerst 1986-7-13 2699 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  CHSC73096  Carex hoodii L. P. Janeway 1998-8-6 5988 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC68058  Carex integra James D. Jokerst 1986-7-12 2692 B Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  UCD149414  Carex integra G. Ledyard Stebbins 1976-7-6 7692 c Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC35503  Carex jonesii Alice Eastwood 1912-6-15 s.n. Placer Deer Park, Lake Tahoe Region Comment
  SEINET4231775 Image available Carex jonesii K. Chung, Matson, S 2009-1 1074 Placer Lake Tahoe, north side Comment
  UCD44699  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2065 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC73097  Carex lenticularis var. lipocarpa L. P. Janeway 1998-8-6 5979 Placer Lake Tahoe Basin Management Unit -- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SEINET7546989  Carex luzulifolia var. strobilantha A. A. Heller 1903-1 7187 Placer Above Donner Pass Comment
  UCD42921  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 289 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET10883493  Carex mariposana John Thomas Howell 1943-7-26 Howell 18852 Placer Sugar Bowl, nw of Mt. Lincoln. 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
  CHSC89806  Carex microptera G. F. Hrusa; J. Glazner 2000-7-1 15604 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  UCD43339  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 707 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43382  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 750 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD75672  Carex microptera Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 252 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2156 Comment
  CAS-BOT-BC32064  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer ca 1 mi W of Baxter. Comment
  UC833300  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer ca 1 mi w Baxter Comment
  UCD42874  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 241 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43952  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1318 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD74095  Carex multicostata Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 186 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2275 Comment
  CAS-BOT-BC32272  Carex multicostata James A. Neilson 1970-8-26 1827 Placer Ward Creek Comment
  CHSC74012  Carex nebrascensis Susi Urie 1998-8-18 98 -073 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74303  Carex nebrascensis Susi Urie; Eric Schroder 1998-9-11 98 -341 Placer Lake Tahoe Basin. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD43829  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1195 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44595  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1961 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC119690  Carex nervina Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
  POM81078  Carex nervina Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
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Sep 7 2010
  CAS-BOT-BC119587  Carex nudata Rimo Bacigalupi; George Ledyard Stebbins; Daniel Zohary; Juan Hector Hunziker; Alexander D. Hawkes; Friedrich Ehrendorfer; Howard C. Stutz 1952-7-19 3851 Placer Along N Fork of the American River, below Cape Horn sta. on the SP RR, 381 Comment
  CAS-BOT-BC119033  Carex pellita John Thomas Howell 1943-7-22 18715 Placer Summit Valley Comment
  CHSC74294  Carex pellita Susi Urie; Eric Schroder 1998-9-11 98 -346 Placer Lake Tahoe Basin Management Unit, National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 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
  UCD43076  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 444 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC118758  Carex preslii John Thomas Howell 1943-7-27 18877 Placer Lake Tahoe near Tahoe Pines. Comment
  UCSB63735  Carex raynoldsii Jokerst, James 1986-7-13 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area Comment
  UCD74101  Carex rossii Jennifer W. Burt; Sarah Shannon 2005-7-8 7 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  CHSC72321  Carex scopulorum var. bracteosa L. P. Janeway 1998-9-18 6345 Placer Small meadow just below the Pacific Crest Trail about 2.4 mi north of Barker Pass; draining into North Fork Blackwood Creek. 2365 Comment
  CAS-BOT-BC117525  Carex sheldonii Peter H. Raven 1950-6-26 2419 A Placer Baxter's 1219 Comment
  CAS-BOT-BC117696  Carex simulata John Thomas Howell 1943-7-22 18696 Placer Summit Valley Comment
  UC835941  Carex stipata var. stipata Marcus E. Jones, A. M. 1882-7-1 3533 Placer Emigrant Gap Comment
  CAS-BOT-BC116996  Carex straminiformis A. A. Heller 1917-8-14 12927 Placer Mt. Lincoln south of Summit valley. 2499 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
  UCR191096  Carex subfusca George K. Helmkamp, E. A. Helmkamp 2007-6-12 12324 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CAS-BOT-BC115400  Carex utriculata Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca 3 mi S of French Meadows 1600 Comment
  UC1133437  Carex utriculata L. S. Smith 1927-8-11 2201 Placer Squaw Valley Tahoe N. F., Truckee Quadrangle 1889 Comment
  UC710519  Carex utriculata Lewis S. Rose 1944-7-25 44244 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UCR219486  Carex utriculata Angela Calderaro 2009-7-8 s.n. Placer Sierra Nevada Mtns., Truckee, near Donner Creek, SE of the intersection of Cosdstream Rd. and Deerfield Dr. 1803 Comment
  CDA13676  Carex vesicaria G. F. Hrusa, J. Glazner 1997-8-3 14036 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  JEPS63633  Carex vesicaria W. L. Jepson 1918-7-30 7735 Placer near Tahoe City; Lake Tahoe 1920 Comment
  OBI20168  Carex whitneyi David J. Keil 1978-7-23 12945 Placer Cisco Grove exit from I-80, just E of Nevada Co line. So fork of Yuba River 1768 Comment
  RSA51981  Carex whitneyi L. S. Rose 1940-6-1 40451 Placer Truckee River, 3 miles NW of Tahoe City. 1890 Comment
  SEINET7580529 Image available Carex whitneyi Unknown 1969-7-11 3523 Placer Tahoe, Big Bend. Comment
  UC830173  Carex whitneyi Alice Eastwood Jun 15 1912-Jun 19 1912 474 Placer Deer City Lake Tahoe Region Comment
  SEINET12032252  Castanopsis sempervirens K. S. Erdman 1966-1 3541 Placer Along Interstate 80 near Emigrant Gap,Sierra Nevada Mtns 1524 Comment
  CAS-BOT-BC248978  Castilleja Saichi Kawahara 1969-5-24 829 Placer Overlooking north fork of the American River. On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  RSA0027944  Castilleja John F. Emmel 1992-7-2 1229 Placer Carson Range ESE of Truckee; ridge 1.0 air mile south and 1.6 air mile east of Martis Peak. 2733 Comment
  UC1607878  Castilleja affinis subsp. affinis C. G. Nast 1936-4-12 126 Placer Auburn Comment
  CAS-BOT-BC249699  Castilleja applegatei subsp. pinetorum Marcus E. Jones 1930-7-10 25530 Placer Lake Tahoe Comment
  CAS-BOT-BC249702  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-6-15 359 Placer Deer Park, Lake Tahoe Region Comment
  UC1586062  Castilleja attenuata Barbara Ertter with David Thompson 1989-4-8 8159 Placer near Auburn State Recreation Area entrance (Iowa Creek Road, ca 2 mi from I-80, at creek crossing) 518 Comment
  CHSC1815  Castilleja densiflora subsp. densiflora 1943-4-21 Placer North of Lincoln. Comment
  SD241183  Castilleja foliolosa George K. Helmkamp, E. A. Helmkamp 2010-4-17 15893 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 8.0 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 321 Comment
  JEPS16348  Castilleja miniata Peter H. Raven 1956-8-4 9994 Placer 1.0 mi from Blue Canyon (on the road to Emigrant Gap); Sierra Nevada Comment
  JEPS86480  Castilleja miniata L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6557 Placer ca 5 mi se Donner Lake (slopes s of Tinker Knob, Sherman Chickering's Soda Springs holdings); Sherman Chickering's Soda Springs 2438 Comment
  UC198548  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198549  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198558  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198559  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC26448  Castilleja miniata A. M. Carpenter 1893-8 Placer 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
  UC1142657  Castilleja nana N. French 1934-6-22 465 Placer Serena Lake; Tahoe National Forest, Truckee Quad. 2103 Comment
  POM286330  Castilleja pilosa Lyman Benson 1942-7-2 11253 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  SD114371  Castilleja pilosa Darley F. Howe 1971-7-2 4759 Placer Near Lake Tahoe, El Dorado National Forest 1890 Comment
  UCD21857  Castilleja pruinosa Beth Lowe Corbin 1982-8-3 196 Placer Hill west of Onion Creek campground. 1853 Comment
  CHSC82695  Castilleja tenuis Lowell Ahart 2002-7-22 9899 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
  UC2014174  Ceanothus William Williams 1986-6-15 s.n. Placer Placer County: Norden. Hill at top of ski lift. Comment
  SBBG26764  Ceanothus X connivens C. L. Hitchcock 1940-5-7 6330 Placer 1 mi W of Baxter Comment
  CAS-BOT-BC47853  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Lake Tahoe - Chambers Lodge (McKinney) 1900 Comment
  CAS-BOT-BC47900  Ceanothus cordulatus H. E. McMinn 1926-5-29 1752 -B Placer At Crystal Lake - slope above - road to Truckee 3 mi west of Cisco Hotel Comment
  CAS-BOT-BC48711  Ceanothus cordulatus Elizabeth Parsons Hawver s.n. Placer Lake Tahoe Region Comment
  SEINET191643  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Lake Tahoe Chambers Lodge (McKinney) Lake 1900 Comment
  SEINET4560766  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2012-1 16660 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UCD22198  Ceanothus cordulatus Beth Lowe Corbin 1982-8-2 149 Placer Onion Creek Campground. S facing slope, 25% incline. Partial sun. Dominant shrub, fairly abundant. In open area between trees, in mixed conifer forest, on fine, sandy, granitic soil. Spiny shrub 1 m tall, with smooth, grey bark. 1841 Comment
  UCD22207  Ceanothus cordulatus Rex Palmer 1979-5-26 N 26 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR191072  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12055 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 11.1 miles northeast of Foresthill 1463 Comment
  UC1070650  Ceanothus fresnensis B. Bolt 1934-7-16 118 Placer 1 1/2 miles SE of Health Springs 2164 Comment
  UCD22199  Ceanothus fresnensis Beth Lowe Corbin 1982-8-4 215 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 20% inclination. Full sun. Locally common. In opening in montane chaparral, inrocky, fine, sandy, granitic soil. Low, compact, rigidly branched shrub. Light dry bark, reddish twigs and fruit. Less than 1 ft tall, 3 ft across. 1950 Comment
  SBBG27262  Ceanothus integerrimus C. L. Hitchcock 1940-5-7 6336 Placer ca. 1 mi W of Baxter Comment
  UC338452  Ceanothus integerrimus Lemmon May 1889 Placer Near Blue Canyon Comment
  UCD111955  Ceanothus integerrimus Amelie Blyth 1952-5-11 9 -3 Placer Along Auburn-Forest Hill road, about 14 miles from Forest Hill. Comment
  UCD112016  Ceanothus integerrimus Ray Prag 1973-8-15 s.n. Placer South side of Highway 80, at interchange east of Baxter. 1219 Comment
  UCD22210  Ceanothus integerrimus Rex Palmer 1979-6-21 N 394 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22211  Ceanothus integerrimus Rex Palmer 1979-6-21 N 394 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR243140  Ceanothus integerrimus Dan Cederquist 1984-5-22 s.n. Placer Rollins Lake 716 Comment
  UCR250360  Ceanothus integerrimus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20370 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  SEINET13945947 Image available Ceanothus integerrimus Susie M. Peers 1946-1 s.n. Placer Shirttail Canyon, near Forest Hill. Comment
  SEINET5339314  Ceanothus integerrimus P. L. Comanor, B. Clark; B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi from end of railroad bridge on Calif.194. Winding road, plot located on the right, past parking area, down path approx. 60 m. Comment
  POM260025  Ceanothus integerrimus var. californicus C. L. Hitchcock 1940-5-7 6336 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC51040  Ceanothus integerrimus var. macrothyrsus G. P. Rixford 1915-7-10 s.n. Placer Cisco 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
  SACT002942  Ceanothus lemmonii Michael Baad 1983-6-26 Placer Collected on trail to springs. 2 miles northeast of Michigan Bluff Comment
  SBBG26946  Ceanothus lemmonii C. L. Hitchcock 1927-5-7 6327 Placer ca. 1 mi W of Baxter Comment
  UC1070796  Ceanothus lemmonii N. French 1933-5-16 57 Placer 3 mi se Colfax; Colfax quad. 670 Comment
  UC1070800  Ceanothus lemmonii C. R. Clar 1933-5-11 117 Placer 3 mi e Weimer; Colfax quad. 609 Comment
  CAS-BOT-BC63355  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63395  Ceanothus prostratus M. S. Jussel 1928-6-25 s.n. Placer Tahoe City near school. Comment
  JEPS72615  Ceanothus prostratus Gladys L. Smith 1972-8-25 3445 Placer trail above Squaw Valley complex 2133 Comment
  UCR208584  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14656 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  POM85944  Ceanothus tomentosus Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  CAS-BOT-BC52882  Ceanothus tomentosus var. tomentosus H. E. McMinn 1926-5-29 1708 M Placer 10.6 mi. west of Crystal Springs Comment
  CAS-BOT-BC282012  Centaurea calcitrapa K. Stark 1970-5-1 s.n. Placer Corner of Interstate 80 and Auburn Ravine Rd, Auburn Comment
  CDA38631  Centaurea maculosa Clayton Seado 2012-8-15 PDR# 1611238 Placer Near Truckee, Truckee Tahoe Refuse Disposal (Eastern Regional Landfill), 900 Cabin Creek Road, near Highway 89. 0 Comment
  CDA7272  Centaurea maculosa T. C. Fuller 1964-9-1 12569 Placer Sierra Nevada; Sierra Nevada. N side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  CDA7273  Centaurea maculosa T. C. Fuller 1963-8-28 11177 Placer North side of Highway 40 freeway to Truckee, 0.5 mile east of Hampshire Rocks. 0 Comment
  UC1119120  Centaurea melitensis C. R. Clar 1933-5-5 114 Placer e of Newcastle; Sacramento 182 Comment
  UCR218231  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16406 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR240897  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19210 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  POM351523  Centaurea solstitialis Wm. Martin 1971-9-11 20288 Placer North fork of American River, 1 mile south of Auburn on Rt. 49 Comment
  UCD63136  Centaurea stoebe subsp. micranthos A. M. Shapiro 2007-8-17 s.n. Placer Nyack. 1609 Comment
  SEINET7379746 Image available Centromadia fitchii A. Tiehm 1973-9-23 s.n. Placer [Sierra Nevada] Donner summit at Kingvale turnoff 2073 Comment
  SEINET11170792  Cephalanthus occidentalis E. Rasmussen 1971-10-2 11 Placer Ground near bank of N. Fork American River 305 Comment
  SEINET5336893  Cerastium fontanum A. Tiehm, Margaret Williams; H. Mozingo; E. McPherson 1975-1 612 Placer One mile north of Lincoln. Comment
  CDA16983  Cerastium fontanum subsp. vulgare G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16036 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 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
  UCD150310  Cerastium glomeratum James A. Neilson Jr. 1971-9-9 2602 Placer Tahoe Basin, Tahoe City, McBride's nursery (Tahoe Tree Company.) 1889 Comment
  NY803929  Cerasus kelloggiana M. E. Jones 1882-5-28 2693 Placer Emigrant Gap. Comment
  UC863548  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  UC863549  Cercis occidentalis Marcus E. Jones, A. M. 1882-7-4 3572 Placer Colfax Comment
  CAS-BOT-BC276715  Chaenactis douglasii var. douglasii Nora Pettibone; Frank W. Hubby 1892-8-1 s.n. Placer Lake Tahoe 1828 Comment
  JEPS126349  Chaenactis douglasii var. douglasii Steve Matson 1997-7-19 117 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek. Comment
  UC1119686  Chaenactis douglasii var. douglasii H. S. Yates 1934-6-29 3891 Placer near Bijou; El Dorado National Forest, Markleeville 1920 Comment
  CAS-BOT-BC283970  Chaenactis glabriuscula var. glabriuscula L. S. Smith 1925-6-6 1631 Placer Colfax - Foresthill Road 518 Comment
  NY163287  Chaenactis rubricaulis H. A. Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada 1970 Comment
  SBBG70529  Chamaebatia foliolosa M. N. Ackley -Jun-1925 948 Placer Gold Run 983 Comment
  UC1127941  Chamaebatia foliolosa J. E. Sowder 1933-4-28 58 Placer 2 1/2 mi ne of Colfax 762 Comment
  UCD40934  Chamaebatia foliolosa Sook Hong 1989-5-20 15 Placer Forest Hill. 2 miles from Mosquito Ridge. 554 Comment
  CHSC45987  Chamaesaracha nana Lowell Ahart 1972-6-28 128 Placer Near the Middle Fork of the American River, south across the river from Ahart Camp, French Meadows. 1524 Comment
  CDA4783  Chamaesyce nutans T. C. Fuller 1964-9-1 12566 Placer Sierra Nevada; North side of Auburn Avenue at Castle Street, Colfax. Comment
  UCD33725  Chamerion angustifolium Beecher Crampton 1972-7-26 8830 Placer Ca. 3 miles east of Baxter on Hwy. 80 E. 1524 Comment
  SEINET215004  Chamerion angustifolium subsp. circumvagum Richard J. Patterson 1969-7-1 182 -16 Placer South of Interstate 80 along creek parallel to Casa Loma Road Alta. 975 Comment
  UCD103688  Chamerion angustifolium subsp. circumvagum L. M. Sparks 1912-8-4 64 Placer Glen-Alpine. Lake Tahoe. 2103 Comment
  UC1136397  Chenopodium atrovirens B. Bolt 1934-7-19 147 Placer Tadpole Spring Tahoe National Forest, Colfax Quadrangle (Plot No. 233) Comment
  JEPS73010  Chenopodium berlandieri Gladys L. Smith 1972-8-25 3402 Placer about chairlift above Shirley Lake (tr. to Granite Chief) 2499 Comment
  RSA300473  Chimaphila umbellata subsp. occidentalis John Dourley, W. Wisura 1982-10-13 3859 Placer 7.3 mi SW of Emigrant Gap, along forestry rd. 19. 1402 Comment
  UCD57934  Chloris verticillata Beecher Crampton 1967-7-26 8164 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80W, junction of Meadow Vista Road. 487 Comment
  SEINET3885526  Chlorogalum angustifolium Lewis S. Rose 1971-6-10 71074 Placer Lincoln.; 0 49 Comment
  SBBG57437  Chlorogalum pomeridianum var. pomeridianum M. N. Ackley -Jun-1925 665 Placer Penryn 191 Comment
  UCR241740  Chondrilla juncea George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19814 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
  UCD150765  Chrysolepis sempervirens James A. Neilson Jr. 1970-8-1 1695 Placer Tahoe Basin, SW Tahoe City. 1901 Comment
  UCR200872  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2008-9-15 14112 Placer Northern Sierra Nevada Mountains, Forestry route 43, 0.3 mile southeast of the east end of Foresthill Road at the junction to Soda Springs, junction is 27 miles northeast of Forest Hill City 2061 Comment
  UCR231018  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16798 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  UCD21709  Chrysothamnus Rex Palmer 1979-6-9 N 139 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCR194971  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2007-10-28 13108 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  UCD168202  Cicuta douglasii Albert Grigarick 2014-8-2 374 Placer Alpine Meadows Ski Resort 1/2 mile up trail to Estelle Lake. 2282 Comment
  CAS-BOT-BC190017  Cinna latifolia Bolander 1869-6-1 s.n. Placer Bear Valley Emigrant Station. Comment
  SEINET12189143  Circaea alpina subsp. pacifica J. A. Shafer 1884-1 s.n. Placer Comment
  UC19993  Circaea alpina subsp. pacifica Mrs. M. M. Hardy 1893-1 Placer Comment
  CDA15679  Cirsium andersonii G. F. Hrusa, J. Glazner 1999-7-18 15229 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1920 Comment
  UCD107267  Cirsium andersonii Chuck Hughes 2010-7-13 234 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  UCD96969  Cirsium andersonii Chuck Hughes 2010-7-13 234 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  CDA1037  Cirsium andersonii Aurelio Posadas 1982-8-5 s.n. Placer Cold Creek, SW of Donner Lake, on Southern Pacific RR right-of-way. 0 Comment
  CDA35793  Cirsium arvense Linda Carlson 2011-10-17 PDR# 1611215 Placer Northstar Resort; Northstar Drive and Home Run Ski Return. 0 Comment
  CAS-BOT-BC439028  Cistanthe monosperma Miss. H. A. Walker 1908-6-23 1207 Placer Blue Canon [Canyon] Station, in the Sierra Nevada 1470 Comment
  CAS-BOT-BC163589  Clarkia biloba subsp. biloba H. L. Mason 1926-5-28 3270 Placer Five miles above Auburn Comment
  RSA449278  Clarkia biloba subsp. biloba A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  CAS-BOT-BC172407  Clarkia biloba subsp. brandegeeae Alice Eastwood 1912-6-20 619 Placer Colfax Comment
  RSA122172  Clarkia biloba subsp. brandegeeae C. R. Clar 1933-5-6 115 Placer Near Newcastle. 183 Comment
  RSA115451  Clarkia heterandra Beecher Crampton 1955-6-15 2858 Placer Head of Bunch Canyon, just off U.S. Highway 40, 3 miles east of Weimar, Forest Hill Road Comment
  RSA21799  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 Placer Sacramento Valley, 1 mile north of Lincoln 46 Comment
  UC217471  Clarkia purpurea subsp. purpurea H. M. Hall 1917-3-9 10291 Placer just above Lincoln; Sacramento Valley Comment
  UC1004178  Clarkia purpurea subsp. quadrivulnera W. A. Weber and Lewis S. Rose 1953-5-19 8384 Placer 5 mi n Roseville (on road to Lincoln) 45 Comment
  UCR219652  Clarkia purpurea subsp. viminea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16414 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  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
  UCR218135  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16403 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR218228  Clarkia unguiculata George K. Helmkamp, E. A. Helmkamp 2010-6-26 16409 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  UCD150639  Clarkia xantiana Barbara Rodeheaver 1973-5-27 87 Placer Two miles E intersection Hwy. 49 on Foresthill Rd. 457 Comment
  CAS-BOT-BC451735  Claytonia lanceolata Betty H. Jorgensen 1944-6-24 490 Placer Cascade Lakes, ca. 6 miles sw. of Soda Springs Comment
  SEINET5336354  Claytonia parviflora subsp. grandiflora C. Aarstad, Hugh N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River; Mosquito Ridge Road to Grench Meadows. 518 Comment
  CAS-BOT-BC233843  Claytonia parviflora subsp. parviflora Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SEINET5727675 Image available Claytonia perfoliata Nancy Carlsen 1971-1 21 Placer Rollins Lake Road at Rollins Lake, 3 miles north of Interstate Highway 80, on west side of road, north of the lake.; Rollins Lake Comment
  UCD22157  Claytonia rubra subsp. rubra Rex Palmer 1979-6-19 N 215 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  CAS-BOT-BC91456  Clematis lasiantha Annetta Carter 1937-4-25 1248 Placer Between Folsom and Auburn, 6.5 miles southeast of Loomis. 152 Comment
  UCD95617  Clematis lasiantha M. H. Mills 1996-4-12 139 Placer Placer County, 5830 Walden Lane, Loomis. 180 Comment
  CDA15319  Cleome serrulata R. Kerr 1998-9-16 s.n. Placer Sierra Nevada; Corner of Hwy 267 and Airport Rd. near Truckee. 1798 Comment
  SEINET3159399  Collinsia G. B. Grant 1906-1 6949 Placer about Lake Tahoe 2438 Comment
  UCD21865  Collinsia parviflora Rex Palmer 1979-6-20 N 344 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS59468  Collinsia parviflora Ezra Brainerd and Viola B. Baird 1915-7-10 206 Placer along Deer Park Rd Deer Park Rd; Sierra Nevada Mtns 1889 Comment
  UC885623  Collinsia sparsiflora var. collina C. L. Hitchcock 1940-5-14 6396 Placer ca. 6 mi n Colfax (Meier Ranch) 762 Comment
  POM147912  Collinsia tinctoria J. B. Feudge 1927-7-18 1764 Placer West of Emigrant Gap. 1524 Comment
  UCR173731  Collinsia tinctoria George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10713 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
  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
  UCR219647  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UC148965  Collinsia torreyi var. wrightii H. M. Hall 1910-6-28 8724 Placer Sierra Nevada Mountains, Head of Fordyce Creek Fordyce Creek; Sierra Nevada Mountains, Head of Fordyce Creek 2103 Comment
  UCD21870  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 265 Placer Headwaters basin area of the North Fork of the American River 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
  SEINET13406894  Collinsia torreyi var. wrightii A. A. Heller 1909-7-16 9855 Placer Summit. 2134 Comment
  UC495571  Collinsia torreyi var. wrightii Merle Randall 1930-6-17 Placer w of Donner Lake (above Cisco, Big Bend Ranger Station); Big Bend Ranger Station 1767 Comment
  SCFS1100  Collomia grandiflora E. Krimmel 2013-6-13 Placer NFAm. Cedars full trail. Land of the Lost. Comment
  SBBG18821  Collomia heterophylla C. B. Hardham 1961-6-14 7359 Placer Baxter, US Hwy 40 Comment
  SEINET2445704  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-30 12180 Placer Northern Sierra Nevada Mountains Foothills. Mosquito Ridge Road, 10.7 miles E of its jct with Forest Hill Road in Foresthill. (Michigan Bluff 7.5' Q). 588 Comment
  RSA262365  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer ca. 100 yards east of junction of Spring Garden Road with Auburn-Foresthill Road (or 3.7 miles west of Foresthill) 762 Comment
  SEINET3861935  Collomia tinctoria Genevieve K. Walden 2009-6-25 207 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  UCD74240  Collomia tinctoria Jennifer W. Burt 2005-7-13 120 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1980 Comment
  JEPS127488  Convolvulus arvensis Steve Matson 2002-7-9 475 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, along dirt road east of Martis Creek. Comment
  SEINET13679557  Cordylanthus mollis subsp. hispidus R. F. Holland, V. I. Dains 1982-8-16 1210 Placer Spring Valley, headwaters of Pleasant Grove Creek, ca 4 miles NW of Rocklin. 46 Comment
  JEPS103943  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold run Comment
  UC579566  Cordylanthus tenuis subsp. tenuis B. Bolt 1934-7-23 163 Placer nw Damascus (end of travelled road from Westville); Tahoe National Forest, Colfax Quadrangle, North Fork of Amer 1463 Comment
  RSA151613  Cordylanthus tenuis subsp. tenuis R. C. Bacigalupi, Lincoln Constance, E. Nasir 1953-9-8 4355 Placer 1 mile southeast of Dutch Flat (really between Dutch Flat and Alta). 1037 Comment
  UCD80050  Coreopsis stillmanii CNPS SN Foothill Team 2005-3-12 Survey Placer Auburn State Recreation Area. Comment
  CAS-BOT-BC209870  Cornus nuttallii G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  UC1999784  Cornus nuttallii H. E. M. Dobson 1977-10-23 285 Placer near Forest hill. Comment
  SEINET12137565  Cornus sericea J. H. Nishida 1985-1 773 Placer Homewood 1829 Comment
  UCR191087  Cornus sericea subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2007-6-12 12320 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UC484021  Cornus sericea subsp. sericea Carl B. Wolf 1930-10-10 Placer 1 mi. e. Cisco; Sierra Nevada 1828 Comment
  CAS-BOT-BC210551  Cornus sessilis D. F. Howe 1948-5-22 45 Placer Unspecified 1219 Comment
  JEPS126259  Corydalis caseana subsp. caseana Steve Matson 2002-5-26 636 Placer Tahoe north shore; above Tahoe City; south side of Antone Meadows. Comment
  CAS-BOT-BC427940  Crassula tillaea John Thomas Howell; Gordon H. True 1972-3-17 7085 Placer Northern outskirts of Lincoln 48 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
  JEPS71825  Crepis occidentalis Gladys L. Smith 1972-6-20 3222 Placer steep exposed ridge from chairlift terminus to ultimate summit peak; Ward Peak 2632 Comment
  SEINET5781401 Image available Crepis occidentalis Marcus E. Jones 1882-1 2784 Placer Emigrant Gap 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
  CHSC68042  Crepis pleurocarpa James D. Jokerst 1986-7-13 2701 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  UCR219648  Croton setiger George K. Helmkamp, E. A. Helmkamp 2010-6-26 16370 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCD163428  Crypsis schoenoides Robert E. Preston 2015-6-15 3005 Placer 1.7 mi SE of Sheridan, 0.4 mi E of Old Hwy 65, 0.1 mi N of Yankee Slough. 31 Comment
  UC1178527  Cryptantha affinis Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 Comment
  JEPS111164  Cryptantha echinella Steve Matson 2005-7-16 1396 Placer Tahoe west shore, technically just outside the Tahoe Basin, about 900 meters northwest of Barker Pass/PCT trailhead, just past where PCT crosses stream. 39.0800 N 120.2429 W; elevation 8,000 ft. 2438 Comment
  UC1178528  Cryptantha echinella Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 Comment
  JEPS70803  Cryptantha humilis C. F. Sonne 1886-1 391 Placer between Truckee and Tahoe (mountains on Truckee River); Sierra Nevada, Truckee River Comment
  UC1178526  Cryptantha simulans Malcolm A. Nobs 1950-9-24 Placer e slopes Squaw Peak 1828 Comment
  POM126494  Cryptantha torreyana Helen D. Geis 176 Placer Deer Park. Comment
  UC1874970  Cryptogramma acrostichoides Ruth Kirkpatrick 2001-7-16 1061 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  JEPS73125  Cryptogramma acrostichoides Gladys L. Smith 1972-8-25 3434 Placer meadow below n cirque Granite Chief 2575 Comment
  UC205124  Cuscuta californica Katharine Brandegee Aug 1917 Placer Cisco Comment
  JEPS59470  Cuscuta californica Ezra Brainerd and Viola B. Baird 1915-7-25 211 Placer Deer Park Road Sierra Nevada Mts. 1920 Comment
  CHSC97748  Cuscuta pentagona Lowell Ahart 2007-11-13 14592 Placer On Xanthium strumarium, 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
  CDA15656  Cymopterus terebinthinus var. californicus G. F. Hrusa, J. Glazner 1999-7-18 15191 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD163427  Cynodon dactylon Robert E. Preston 2015-6-15 3004 Placer 1.7 mi SE of Sheridan, 0.4 mi E of Old Hwy 65, 0.1 mi N of Yankee Slough. 31 Comment
  SACT000850  Cynosurus echinatus Michael Baad 1983-5-5 Placer One mile north of placer Hills Road on Milk Ranch Road. 2 miles from Colfax, open hillside, north-facing slope. 609.6 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
  CAS-BOT-BC114547  Cyperus eragrostis Mrs. H. C. Cantelow 1938-7-2 2260 Placer 8 mi. N of Auburn. Comment
  SD51216  Cyperus niger Darley F. Howe 1960-9-18 Placer Auborn; 4 miles north by canal. 518 Comment
  CDA15976  Cyperus squarrosus G. F. Hrusa, J. Glazner 1999-7-17 15172 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  POM364994  Dactylis glomerata L. S. Rose 1944-7-12 44092 Placer Chambers Lodge, Lake Tahoe 1921 Comment
  CAS-BOT-BC445491  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer Sacramento Valley, 1 mi. No. of Lincoln. 45 Comment
  UCD60965  Danthonia californica var. americana B. Crampton 1955-7-13 2990 Placer U.S. Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UC710525  Danthonia unispicata John Thomas Howell 1943-7-22 18699 Placer Summit Valley Comment
  UCD32806  Danthonia unispicata Beecher Crampton 1964-7-21 7116 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. Comment
  UCD22271  Dasiphora fruticosa Rex Palmer 1979-6-20 N 351 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET11111226  Daucus carota A. Ashton 1971-10-9 s.n. Placer E side of Auburn. 305 Comment
  CAS-BOT-BC173277  Delphinium Saichi Kawahara 1969-5-24 876 Placer East of cabin near mine shaft, Mel Henderson Ranch, east bank of Indian Creek 1002 Comment
  JEPS23399  Delphinium gracilentum Leland S. Smith 1925-6-3 1619 Placer Yankee Jims, on Forest Hill divide, about 2 miles due west of Forest Hill; Tahoe National Forest 1584 Comment
  RSA113242  Delphinium gracilentum E. K. Balls, Lee W. Lenz 1955-5-12 20472 Placer 0.8 miles W of El Dorado Placer County line, Hwy 49 to Auburn. 366 Comment
  UC188637  Delphinium gracilentum C. F. Sonne 1891-5 Placer between Auburn and Colfax Comment
  UC1031398  Delphinium hansenii subsp. hansenii H. Lewis and C. Epling 1941-5-24 Placer Auburn Comment
  SEINET5338028  Delphinium hesperium R. L. Smith 1942-4-3 s.n. Placer 5 mi. E of Roseville. 122 Comment
  CAS-BOT-BC116471  Delphinium nuttallianum Miss M. Alice King 1923-6-1 s.n. Placer near Summit Comment
  CDA12401  Delphinium nuttallianum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8529 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 m SW of Tahoe City. Comment
  CHSC11352  Delphinium nuttallianum Lowell Ahart 1962-7-14 Placer Near Ahart Camp, French Meadows. 1676 Comment
  JEPS127529  Delphinium nuttallianum Steve Matson 1998-6-6 222 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 200 meters south of Highway 267, under poswer lines; 50 meters west of east side boundary fence. Comment
  UC1125981  Delphinium nuttallianum N. French 1934-5-24 364 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle Comment
  UC854105  Delphinium nuttallianum Lewis S. Rose 1939-6-5 39214 Placer meadow near Emigrant Gap; Bear Valley 1371 Comment
  UCD22180  Delphinium nuttallianum Rex Palmer 1979-7-22 N 607 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22181  Delphinium nuttallianum Rex Palmer 1979-6-20 N 281 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC116087  Delphinium nuttallianum Lewis Samuel Rose 1944-7-16 44131 Placer Miller Lake, 5 mi. W of Chambers Lodge, Lake Tahoe 2133 Comment
  CAS-BOT-BC121998  Delphinium variegatum Gordon H. True 1971-4-9 6459 Placer Northern limits of Lincoln 48 Comment
  RSA21432  Delphinium variegatum Carl B. Wolf 1937-5-12 8612 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  SEINET5338168  Delphinium variegatum D. H. Erskine 1941-4-27 27 Placer 2 miles east of Roseville. 76 Comment
  CAS-BOT-BC16945  Delphinium variegatum subsp. variegatum Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  SEINET5339590  Dendromecon rigida B. Condie 1955-5-14 s.n. Placer Found on roadside out of GoldRun Calif. 1372 Comment
  SACT000905  Deschampsia cespitosa D. Meyer 1983-8-20 Placer Moist roadside meadow with vegetation following residential construction. 2000.0 Comment
  UCD43275  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 643 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC198147  Deschampsia danthonioides John Thomas Howell; Gordon H. True 1971-5-26 47622 Placer Valley Grassland, northern limits of Lincoln 48 Comment
  SACT000912  Deschampsia danthonioides Michael Baad 1983-7-1 Placer Road east of Lake Putt from Blue Canyon exit at I80. 1615.44 Comment
  UC750543  Deschampsia danthonioides Lewis S. Rose 1946-6-23 46199 Placer n. of Cisco (Rainbow); Rainbow 1737 Comment
  UCD22247  Deschampsia danthonioides Beth Lowe Corbin 1982-8-4 220 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 15% inclination. Locally abundant. Full sun. Opening in montane chaparral in rocky, fine, sandy, granitic soil. Annual. 1950 Comment
  SACT000918  Deschampsia danthonioides Josephine Van Ess 1976-3-31 Placer Dried up vernally wet roadside. Comment
  CHSC67741  Deschampsia elongata James D. Jokerst 1986-7-13 2710 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  SACT000950  Deschampsia elongata D. Meyer 1984-8-4 Placer Moist shady roadside. 1365.5 Comment
  UCD63302  Deschampsia elongata Beecher Crampton 1955-6-15 2898 Placer Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  UCR206719  Deschampsia elongata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15206 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CAS-BOT-BC43030  Descurainia incisa subsp. incisa John Thomas Howell 1943-7-22 18704 Placer Summit Valley. Comment
  JEPS111265  Dianthus armeria subsp. armeria Steve Matson 2005-9-11 1523 Placer Tahoe Basin, North Shore, Snow Creek Watershed, Kings Beach. Along Pine Nut Ave. 39.2471 N, 120.0388 W ; elevation 6360 ft. 1938 Comment
  UCD33722  Dicentra formosa Beecher Crampton 1972-6-20 8825 Placer Upslope from Bear Valley, State Hwy. 20E. 1402 Comment
  UCD95498  Dicentra formosa Eric Brenner; John Hunter 1996-5-26 020 Placer Tahoe National Forest. Mosquito Ridge Road. 1080 Comment
  CAS-BOT-BC402452  Dicentra formosa subsp. formosa A. A. Heller 1917-6-19 12732 Placer Emigrant Gap 1615 Comment
  UCD95069  Dicentra formosa subsp. formosa Rolf Y. Berg 1963-6-9 s.n. Placer State Highway 20, ca. 2 miles W of junction with U.S. Highway 40 at Emigrant Gap. 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
  CAS-BOT-BC483625  Dichelostemma capitatum Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  UCR234214  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17172 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  SEINET8472275  Dichelostemma capitatum subsp. capitatum W. D. Billings 1939-3-19 1196 Placer 7 miles NW of Auburn. Comment
  SEINET8472367  Dichelostemma capitatum subsp. capitatum Killinger 1962-3-17 s.n. Placer North Fork American River, 3 miles E of Auburn. 366 Comment
  SEINET176953 Image available Dichelostemma multiflorum Marcus E. Jones 1882-6-30 Placer Emigrant Gap Comment
  SEINET3885610  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12006 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 2.8 miles southeast of Foresthill (Foresthill 7.5' Q.).; 0 814 Comment
  CAS-BOT-BC502643  Dichelostemma multiflorum R. Halliday; Wayne Roderick 1967-6-10 s.n. Placer North edge of Auburn 365 Comment
  UC635220  Dichelostemma volubile H. L. Mason 1926-5-28 3276 Placer 5 mi above Auburn Comment
  UCR207883  Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2009-4-22 14575 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  JEPS40711  Dieteria canescens var. shastensis Miss Helen D. Geis Jun 1 1912-Jul 1 1912 173 Placer Deer Park Comment
  JEPS8660  Digitalis purpurea Rimo Bacigalupi 1952-7-19 3867 Placer 2.5 mi e Iowa Hill (near Monona Flat, not far from old habitation, on ridge between Indian Creek and North Fork of the American River) 990 Comment
  UC590001  Digitaria sanguinalis Eleanor Armstrong 1932-9-8 213 Placer 2 1/2 above Califax <Colfax?> 1219 Comment
  UCD32976  Digitaria sanguinalis Beecher Crampton 1965-9-13 7495 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  SBBG37922  Diplacus layneae C. L. Hitchcock 1940-5-15 6406 Placer 6 mi N of Colfax Comment
  CAS-BOT-BC257791  Diplacus torreyi George K. Helmkamp; E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  SD237622  Diplacus torreyi G. K. Helmkamp, E. A. Helmkamp 2009-8-12 15425 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles ortheast of the city of Foresthill (Duncan Peak 7.5'Q) 1662 Comment
  CAS-BOT-BC151679  Diplacus torreyi F. A. Mac Fadden 1934-7-9 12574 Placer P.G.E. Flume, below Emigrant Gap Comment
  CDA19576  Disporum hookeri M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 226 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
  CAS-BOT-BC208627  Distichlis spicata Beecher Crampton 1957-7-17 3721 Placer Along the railroad, Blue Canyon. 1432 Comment
  CHSC78088  Dodecatheon alpinum Caleb E. Casey 1999-5-16 Placer Sugar Pine Reservoir, Forest Service road 26, elevation 3900 ft. 1188 Comment
  UCD75774  Dodecatheon alpinum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5248 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  SEINET8553080  Dodecatheon alpinum Trevitt 1932-7-5 s.n. Placer Tahoe Vista. Comment
  POM264726  Downingia bicornuta var. picta Lincoln Constance 1941-5-28 2823 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  RSA752669  Downingia ornatissima var. ornatissima George K. Helmkamp, E. A. Helmkamp 2008-4-17 13282 Placer Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CAS-BOT-BC41960  Draba albertina C. F. Sonne 1885-7-12 12 Placer Sierra Nevada Mountains. Above Coldstream. 2438 Comment
  POM143043  Draba nemorosa C. F. Sonne 1897-7-18 s.n. Placer Tinker s Knob 2744 Comment
  UC1124245  Draperia systyla G. T. Nordstrom 1934-6-19 112 Placer 0.5 mi NE mouth of Monumental Creek; Tahoe National Forest, Colfax Quad. 1463 Comment
  UCR240923  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2012-6-19 19250 Placer Northern Sierra Nevada Mountains, Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road 2040 Comment
  SEINET7249205  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2012-1 Placer 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
  UC1127113  Dudleya cymosa G. T. Nordstrom 1934-6-18 107 Placer n slope Texas Hill; Colfax Quadrangle 1584 Comment
  SD125411  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
  SEINET5733104 Image available Dudleya cymosa John J. Geibel 1965-1 34 Placer Middle Fork of American River, ca. 13 miles east of Forest Hill.; Foresthill 488 Comment
  UCD149382  Dulichium arundinaceum G. Ledyard Stebbins 1969-7-20 6946 Placer South of North Fork of the American River. Sailor Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC113797  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  JEPS126370  Dysphania botrys Steve Matson 2003-9-6 951 Placer nSNH: Truckee River watershed, 5 air miles west of Tahoe City; Alpine Meadows ski area; base of Kangaroo lift near buildings. Comment
  UCD61168  Echinochloa oryzicola Joel Kitzmiller 1976-6-24 Placer Pleasant Grove. Comment
  CAS-BOT-BC113605  Eleocharis acicularis Ira L. Wiggins 1933-8-21 6787 Placer Shores of Lake Tahoe, near Tahoma Comment
  UCD42827  Eleocharis acicularis var. acicularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 193 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43215  Eleocharis acicularis var. bella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 584 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS103509  Eleocharis bella Lowell Ahart 2002-7-22 9909 Placer S side of small natural lake on E side of paved rd to Lake Valley Reservoir, 1/4 mi E of Yuba Gap and Hwy 80 1773 Comment
  POM313072  Eleocharis palustris Malcolm A. Nobs, S. Galen Smith 1949-8-21 1508 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe Comment
  UCD33746  Eleocharis palustris Beecher Crampton 1972-7-26 8857 Placer Placer County, ca. 1 mile west of Cisco Grove on Interstate 80. 1676 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
  CAS-BOT-BC227122  Elymus John H. Thomas; Hazelle A. Thomas 1956-7-21 6104 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SD257132  Elymus caput-medusae George K. Helmkamp, Amy Barnes 2014-3-21 22637 Placer Sacremento Valley: Riosa Road at the east side of its junction with CA-65, just west of Sheridan (Sheridan 7.5'Q) 32 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
  UCR229454  Elymus cinereus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17898 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
  SEINET3440054 Image available Elymus elymoides George K. Helmkamp, E. A. Helmkamp 2011-7-26 17862 Placer Northern Sierra Nevada Mountains: Emigrant Gap Road, 0.1 mi W of junction with US-80, 0.65 mi NE of Emigrant Gap 1590 Comment
  SACT001073  Elymus elymoides subsp. californicus James Grove 1977-7-15 Placer 2000.0 Comment
  UCD61692  Elymus elymoides subsp. californicus L. S. Smith 1916-6 s.n. Placer Squaw Valley. Comment
  UC790925  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 mi w Colfax 762 Comment
  CDA31705  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  RSA59402  Elymus glaucus E. K. Balls 1950-9-8 15721 Placer Lakes Center Public Campground 2043 Comment
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Sep 16 2014
  SACT001076  Elymus glaucus D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001083  Elymus glaucus D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001094  Elymus glaucus D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  SACT001102  Elymus glaucus Michael Baad 1976-6-17 Placer Royal Gorge-Wobena Creek to Wildcat Canyon. Collected in flood plain. Comment
  SACT001109  Elymus glaucus Josephine Van Ess 1977-5-13 Placer Collected near Mount Vernon Road. Shaded roadside bank. 353.7 Comment
  SACT001115  Elymus glaucus Michael Baad 1976-8-7 Placer 2072.0 Comment
  UCD36668  Elymus glaucus Beecher Crampton 1955-6-15 2903 Placer Placer County, Yankee Jims. 807 Comment
  UCD61821  Elymus glaucus Beecher Crampton 1955-6-15 2896 Placer Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  UCD61895  Elymus glaucus R. Tofsrud 1951-7-1 Placer Hwy. 40, above Baxter 3/4 mile below drinking station. Comment
  CAS-BOT-BC206794  Elymus glaucus subsp. glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  SEINET203584  Elymus glaucus subsp. glaucus F. J. Hermann 1955-7-26 11936 Placer US Hwy 40 mi SW Weimer 0 Comment
  UCD74200  Elymus glaucus subsp. glaucus Jennifer W. Burt; Sarah Shannon 2005-7-8 49 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  SACT001108  Elymus glaucus subsp. jepsonii Josephine Van Ess 1977-6-3 Placer Collected at bend in road about .75 mile west of highway 49. Oak woodland, moist. 420.7 Comment
  UCD44477  Elymus glaucus subsp. jepsonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1843 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET12747696  Elymus glaucus var. glaucus W. D. Billings 1940-5-18 1303 Placer Gold Run. Comment
  UCR240907  Elymus glaucus var. glaucus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19229 A Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UC1133038  Elymus multisetus N. French 1933-5-5 83 Placer N. Fork American River Sacramento Quadrangle Comment
  UCD62604  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2908 Placer Yankee Jims. Comment
  CDA25017  Elymus trachycaulus J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  UCD62736  Elymus trachycaulus subsp. subsecundus R. Tofsrud 1947-7-12 42 Placer Placer County. 1524 Comment
  UCR231878  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2010-10-16 17032 Placer Northern Sierra Nevada Mountains Foothills, Sugar Pine Road at the southwest corner of Sugar Pine Reservoir near the dam 1128 Comment
  SCFS11529140  Epilobium canum subsp. angustifolium E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Dry, rocky slope. Comment
  RSA634231  Epilobium canum subsp. canum Robert M. Rhode, Barbara Nemeth 1995-7-26 1995 -/7 Placer Lake Tahoe: Blackwood Creek Canyon (ca. 4 miles south of Tahoe City). Near Blackwood Creek Canyon Road, about 0.4 mile west of turnoff from Highway 89 1921 Comment
  CAS-BOT-BC171972  Epilobium canum subsp. latifolium G. W. Dunn 1895-9-1 s.n. Placer Summit Comment
  SBBG60114  Epilobium canum subsp. latifolium Milo H. Gates 1879-1 Placer American River Comment
  UCD75766  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5237 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
  CHSC74849  Epilobium ciliatum subsp. ciliatum Susi Urie; Eric Schroder 1998-9-12 98 -355 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
  UCD21996  Epilobium ciliatum subsp. ciliatum Beth Lowe Corbin 1982-8-5 249 Placer Onion Creek campground. 1841 Comment
  UC572238  Epilobium ciliatum subsp. glandulosum H. S. Yates 1936-8-9 5989 Placer 2 mi sw Martis Peak; Tahoe National Forest, Truckee Quadrangle 2286 Comment
  CDA25001  Epilobium densiflorum J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD150585  Epilobium glaberrimum James A. Neilson Jr. 1972-8-8 2688 Placer Tahoe Basin, Ward Creek, lower meadow approximately 300 yards above the big meadow, ca. 2 miles southeast of Tahoe City. 1905 Comment
  POM192603  Epilobium glaberrimum subsp. glaberrimum Helen D. Geis 130 -a Placer Deer Park. Comment
  SEINET4691683  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp, E. A. Helmkamp 2010-1 16794 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. Comment
  CHSC74110  Epilobium hallianum Susi Urie 1998-9-1 98 -185 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
  CHSC74227  Epilobium hallianum Susi Urie 1998-8-29 98 -150 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  UCD44434  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1800 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC91617  Epilobium minutum M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 213 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. Serpentine flats adjacent to road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  CAS-BOT-BC56949  Equisetum arvense Saichi Kawahara 1969-5-25 909 Placer Henderson Ranch, Indian Creek 987 Comment
  CAS-BOT-BC56952  Equisetum arvense Geo. B. Grant 1906-7-15 6981 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  UCSC003237  Equisetum hyemale subsp. affine Unknown 1981-8-21 281 Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista 1890 Comment
  JEPS115070  Eragrostis Lowell Ahart 2007-11-13 14599 Placer East side of a shallow ditch, on the west side of Camp Far West Road, at the north edge of the town of Sheridan 35 Comment
  CAS-BOT-BC174288  Eremogone congesta var. suffrutescens Dr. A. Kellogg 1870-6-18 s.n. Placer Cisco Comment
  JEPS126377  Eremogone kingii var. glabrescens Steve Matson 2004-8-1 1077 Placer Tahoe Basin west shore; Blackwood Canyon; 1/2 mile SE of Barker Pass. Comment
  UCD22165  Eremogone kingii var. glabrescens Rex Palmer 1979-6-9 N 158 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  UCD75727  Eremogone kingii var. glabrescens Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5166 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  CDA4631  Ericameria arborescens T. C. Fuller 1962-9-2 9622 Placer Hwy 40 to Auburn, 2.5 miles west of Weimer. 0 Comment
  CAS-BOT-BC286644  Ericameria bloomeri Lewis S. Rose 1937-7-30 37619 Placer 3 mi. S. of Truckee 1828 Comment
  OBI49186  Ericameria bloomeri Lewis S. Rose 1938-9-14 38270 Placer Truckee river, 3 mi NW of Tahoe City 1829 Comment
  UC87230  Ericameria bloomeri K. Brandegee 1885-8-1 Placer Donner Comment
  UCD21708  Ericameria nauseosa Beth Lowe Corbin 1982-8-24 413 Placer 2 1/4 miles south of The Cedars. In rocky, fine sandy soil. Open subalpine talus slope on ridgetop in Red Fir forest. Rounded shrub 1 1/2' high. Flowers yellow. Foliage aromatic. Full sun. SW facing slope, 30% incline. Occasional. 2179 Comment
  UC194094  Ericameria nauseosa var. speciosa C. F. Sonne 1884-9-14 Placer road to Tahoe 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
  CAS-BOT-BC294522  Erigeron breweri var. breweri Alice Eastwood 1909-1-1 100 Placer Lake Tahoe Region. Sunnyside Comment
  UC895640  Erigeron breweri var. breweri Miss M. E. Parsons 1910-8-1 Placer Sunnyside Lake Tahoe, Sunnyside Comment
  CAS-BOT-BC296765  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer Donner Pass 2133 Comment
  CHSC73652  Erigeron coulteri L. P. Janeway; Eric Schroder 1998-9-16 6332 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
  UC195563  Erigeron coulteri C. F. Sonne 1884-8-24 Placer canon above Coldstream Comment
  UC203749  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer 2118 Comment
  UC398626  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer along streams at Donner Pass (Summit) 2133 Comment
  RSA0049719  Erigeron divergens Dean Wm. Taylor 2013-8-7 21395 Placer Coldstream Valley, just above Horseshoe Bend on the railroad mainline 1889 Comment
  SD112284  Erigeron foliosus var. hartwegii Darley F. Howe 1965-5-21 4062 Placer Mouth of canyon on south side of north fork of American River near Forest Hill. 305 Comment
  UC201316  Erigeron foliosus var. hartwegii A. A. Heller 1917-6-19 12749 Placer hills between Lincoln and Newcastle Comment
  UCD18253  Erigeron glacialis E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 465 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  UCD21595  Erigeron glacialis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1258 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  CAS-BOT-BC300814  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12916 Placer Ridge northwest of Donner Pass 2377 Comment
  CAS-BOT-BC300820  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 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-BC295208  Erigeron inornatus Peter H. Raven 1956-8-4 10003 Placer Dirt road north of Emigrant Gap 1493 Comment
  CAS-BOT-BC295210  Erigeron inornatus Catherine Best 1981-8-2 s.n. Placer Above French Meadows Reservoir Comment
  JEPS15643  Erigeron inornatus var. inornatus Rimo Bacigalupi with Aldo Bacigalupi 1952-8-15 3921 Placer along U.S. Highway No. 40, 3 mi e Emigrant Gap 1676 Comment
  UCD132002  Erigeron inornatus var. inornatus G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12645 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CAS-BOT-BC295527  Erigeron miser John H. Thomas; Hazelle A. Thomas 1956-7-21 6222 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CDA4644  Erigeron philadelphicus Kelly 1928-5-2 Placer Near Auburn, along road. 0 Comment
  UCR208556  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14671 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  SEINET12330121  Eriodictyon californicum M. J. Williams 1984-1 84- 65 -2 Placer 0.3 mi in from highway 20, on Bowman Lake Rd 1524 Comment
  UCD34549  Eriodictyon lobbii Beecher Crampton 1985-6-23 9994 Placer Placer County, North Shore Lake Tahoe, Stateline road. Comment
  CAS-BOT-BC255403  Eriogonum Saichi Kawahara 1969-7-6 833 Placer Slope over looking north fork of the American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCD21934  Eriogonum incanum Rex Palmer 1979-6-9 N 141 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCD75737  Eriogonum lobbii Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5199 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
  SEINET5330425  Eriogonum lobbii W. D. Billings 1951-8-21 2149 Placer E. of Granite Chief, Sierra Nevada 2621 Comment
  UC1032296  Eriogonum luteolum var. pedunculatum B. Bolt 1934-7-22 159 Placer 1/2 mi s Chicken Hawk; Tahoe National Forest, Colfax Quadrangle Comment
  CAS-BOT-BC263699  Eriogonum luteolum var. pedunculatum F. A. Mac Fadden 1934-7-2 s.n. Placer American River, near Rawhide Mine Comment
  SD6122  Eriogonum marifolium June 1914 Placer Cisco Comment
  UC1032142  Eriogonum marifolium N. French 1934-6-4 294 Placer Lake Valley Reservoir Tahoe National Forest, Colfax Quadrangle, Lake Valley Reserv Comment
  UC77526  Eriogonum marifolium C. F. Sonne 1888-7-1 Placer hills above Bear Valley; Sierra Nevada Mountains 2438 Comment
  SCFS11529123  Eriogonum nudum E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UC66975  Eriogonum nudum var. deductum P. B. Kennedy and S. B. Doten 1901-8-7 255 Placer near Summit Comment
  UCR171354  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9993 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
  UCR207114  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15218 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  CAS-BOT-BC271968  Eriogonum nudum var. pubiflorum John Thomas Howell 1929-10-4 4431 Placer 2.4 miles below Weimer on road to Colfax Comment
  JEPS74203  Eriogonum ovalifolium var. nivale Gladys L. Smith 1972-6-20 3201 Placer plateau about terminus of Summit chairlift, Ward Peak Ward Peak 2621 Comment
  SD22419  Eriogonum pedunculatum Susan G. Stokes 1932-8-4 Placer Near Auburn Comment
  CAS-BOT-BC269939  Eriogonum spergulinum var. reddingianum F. A. M. 1934-8-10 12856 Placer Cisco Comment
  SD86301  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer Along California Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground Comment
  CAS-BOT-BC268014  Eriogonum umbellatum var. furcosum J. C. Hawver 1912-9-7 s.n. Placer Cisco Comment
  CAS-BOT-BC265158  Eriogonum umbellatum var. nevadense John Thomas Howell 1943-7-26 18842 Placer Mt. Lincoln Comment
  CHSC79800  Eriogonum umbellatum var. nevadense G. F. Hrusa; J. Glazner 1999-7-18 15236 Placer Betw. Squaw Cr, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1889 Comment
  JEPS126336  Eriogonum umbellatum var. nevadense Steve Matson 1998-7-12 339 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters south of Martis Dam Road, north of airport creek. Comment
  UCD101380  Eriogonum umbellatum var. nevadense Tamara Kan 1992-7-25 s.n. Placer east slope of Silver Peak in open habitat. 2316 Comment
  SD1349  Eriogonum umbellatum var. subaridum Victor Duran 1930-8-2 Placer Cedar Flat, White Mts. 2133 Comment
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Oct 19 2012
  JEPS14350  Eriogonum ursinum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, D. Zohary, J. Hunziker, H. Stutz, F. Ehrendorfer 1952-7-20 3879 Placer n-facing serpentine slope just s Shirttail Public Camp (6 mi e of Iowa Hill); Tahoe Nat. Forest 1066 Comment
  POM105127  Eriogonum ursinum Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  SCFS1004  Eriogonum ursinum E. Krimmel 2014-6-26 Placer Comment
  CAS-BOT-BC262229  Eriogonum ursinum C. F. Sonne 1885-7-12 404 Placer Sierra Nevada Mts. About Coldstream Comment
  CHSC45853  Eriogonum ursinum var. ursinum Lowell Ahart 1975-8-23 958 Placer On a dry open bare mountain side, between Sailor Flat and Robinson Flat, along Baker Ranch Soda Springs Road, about 15 miles north-east of Forest Hill. 1828 Comment
  UCD34056  Eriogonum wrightii Beecher Crampton 1975-10-14 9329 Placer Placer County, Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  CHSC79198  Eriogonum wrightii var. subscaposum Beecher Crampton 1975-10-14 9329 Placer Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  JEPS72791  Eriogonum wrightii var. subscaposum Gladys L. Smith 1972-8-25 3444 Placer Glacial stairsteps above Squaw Valley (on trail to Granite Chief) 2194 Comment
  RSA789733  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  UC669302  Eriogonum wrightii var. subscaposum Annie M. Alexander and Louise Kellogg 1941-10-5 2646 Placer e slope, Donner Pass Donner Pass 1981 Comment
  UCD21940  Eriogonum wrightii var. subscaposum Beth Lowe Corbin 1982-8-24 411 Placer 2 miles south of The Cedars. In fine, sandy, rocky soil. Open talus slope of ridgetop in Red Fir forest. Calyx white with red midribs. Perennial forming moderate sized mats. Full sun. North facing slope, 20% incline. Ocassional. 2133 Comment
  SEINET5332157  Eriogonum wrightii var. subscaposum P. B. Kennedy, Samuel Bradford Doten 1901-8-18 421 Placer French Meadows. Comment
  CAS-BOT-BC308081  Eriophyllum lanatum var. achilleoides Clarence R. Quick 1962-5-24 62 .7 Placer Institute of Forest Genetics 2-3 miles northeast of Placerville, Sierra Nevada Comment
  SD237318  Eriophyllum lanatum var. croceum G. K. Helmkamp, Amy Barnes 2009-7-12 15185 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill. 1370 Comment
  UCR194700  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12205 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
  RSA129768  Eriophyllum lanatum var. grandiflorum N. H. French 1934-5-31 382 Placer Mamouth Springs 1677 Comment
  UCR229535  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17858 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  CAS-BOT-BC308248  Eriophyllum lanatum var. integrifolium Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC308252  Eriophyllum lanatum var. integrifolium Alice Eastwood 1909-1-1 227 Placer Squaw Creek Comment
  CAS-BOT-BC308254  Eriophyllum lanatum var. integrifolium John Thomas Howell 1943-7-21 18668 Placer Mt. Lincoln Comment
  CDA12398  Eriophyllum lanatum var. integrifolium G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8526 a Placer Lake Tahoe; Peak at W end of N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCR189301  Eriophyllum lanatum var. integrifolium George K. Helmkamp, E. A. Helmkamp 2007-7-27 12631 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  CDA36888  Erodium cicutarium CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CAS-BOT-BC54318  Erysimum capitatum Mary E. Jump 1939-5-29 s.n. Placer Bear Valley. Comment
  SD102837  Erysimum capitatum Darley Howe 1978-7-14 Placer Along state highway 20, ca. 29 miles west of Truckee 1645 Comment
  UCD22371  Erysimum capitatum Rex Palmer 1979-7-12 N 603 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR120248  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5034 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CDA16815  Erysimum perenne G. F. Hrusa, J. Glazner 2001-7-15 15954 Placer Sierra Nevada; N summit face of Crows Nest Pk. immed. W of Sugarbowl. 2346 Comment
  JEPS72061  Erysimum perenne Gladys L. Smith 1972-6-20 3210 Placer open plateau about terminus of Summit chairlift; Ward Peak 2621 Comment
  UC480718  Erysimum perenne W. C. Blasdale 1923-7-23 Placer top Lake Tahoe Region, Ellis Peak Comment
  UCR209742  Erysimum perenne George K. Helmkamp, E. A. Helmkamp 2009-8-12 15438 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  SEINET14196929  Erythranthe breweri H. M. Hall 1910-6-22 165 Placer Cisco. 1800 Comment
  SEINET14199447  Erythranthe erubescens P. B. Kennedy 1901-8-10 269 Placer Below summit of Tinkers Knob. Comment
  CAS-BOT-BC153593  Erythranthe moniliformis F. Almeda 1993-7-25 7299 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  SEINET4678047  Erythranthe pardalis Barbara Ertter, David M. Thompson 1989-4-8 8173 Placer Iowa Creek Road ca 2 miles from I-80 near entrance to Auburn State Recreation Area.; 0 518 Comment
  RSA25447  Erythronium californicum C. L. Hitchcock 1940-5-7 6310 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC505234  Erythronium grandiflorum anonymous 1870-6-8 s.n. Placer Unspecified Comment
  CAS-BOT-BC502825  Erythronium multiscapideum Georgia Bentley 1919-4-20 s.n. Placer Auburn near American River Comment
  RSA537540  Erythronium multiscapideum Barbara Ertter, David Thompson 1989-4-8 8170 Placer Iowa Creek Road ca. 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing 518 Comment
  RSA739849  Erythronium purpurascens Jon Winter s.n. Placer Placer County: Tahoe National Forest, Duncan Peak Lookout Station. 2190 Comment
  HSC82623  Eschscholzia caespitosa Thomas W. Nelson 1979-4-10 4584 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  SEINET5586229  Eschscholzia caespitosa G. K. Helmkamp, E. A. Helmkamp 2007-1 11709 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  CAS-BOT-BC403342  Eschscholzia californica Alice Eastwood 1921-5-22 10585 Placer Between Lincoln and Sheridan Comment
  CAS-BOT-BC403344  Eschscholzia californica H. M. Hall 1917-3-9 10290 Placer Lincoln, Sacramento Valley Comment
  CAS-BOT-BC310372  Eucephalus breweri M. E. Parsons 1910-7-21 s.n. Placer Ward Creek, Lake Tahoe Comment
  CAS-BOT-BC310374  Eucephalus breweri J. F. Emmel 1970-6-21 316 Placer Slope, 0.6 air mile s. of south end of Lake Mary, s. of Donner Pass 2286 Comment
  SEINET2470968  Eucephalus breweri K. Christie 2010-7-22 1909 Placer Lake Tahoe Basin Management Unit (USFS); ca. 1.0 mi. southeast of Martis Peak. 2407 Comment
  SEINET4560812  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-1 18164 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2019 Comment
  UCR241343  Eucephalus breweri George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19826 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.5 mile north of Robinson Flat Campground, c. 26 miles NE of Foresthill, Tahoe National Forest 2043 Comment
  UCD143099  Euphorbia crenulata G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10707 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  UCD142804  Euphorbia serpillifolia G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12952 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR190713  Euphorbia serpillifolia George K. Helmkamp, E. A. Helmkamp 2007-9-14 12952 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  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
  JEPS126424  Eurybia integrifolia Steve Matson 2002-7-14 571 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards west of Northstar homes (Bosque Drive), along TMT trail heading west to Lookout Mountain Creek. Comment
  UC203811  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer near Summit hotel 2133 Comment
  UCD44544  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1910 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET8687803 Image available Eurybia integrifolia P. B. Kennedy, S. B. Doten 1901-8-19 419 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  UC65317  Eurybia integrifolia P. B. Kennedy and S. B. Doten 1901-8-19 419 Placer 7 mi from French Meadows Comment
  SCFS1234  Fabaceae E. Krimmel 2013-1 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Streamside where trail meets main river. Comment
  CAS-BOT-BC413874  Fallopia convolvulus Peter H. Raven 1956-8-4 9981 Placer Blue Canyon 1432 Comment
  SACT001166  Festuca occidentalis Michael Baad 1983-7-15 Placer Along trail between Hell Hole Guard Station and Cottonwood Creek on northwest side of Hell Hole Reservoir. 1524.0 Comment
  SACT001176  Festuca pratensis D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT001194  Festuca rubra D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT001214  Festuca viridula Michael Baad 1976-7-17 Placer 2 miles west of Alpine Meadows Ski Area and 6 miles west of Tahoe City 2000.0 Comment
  UCD66515  Festuca viridula A. A. Heller 1917-8-14 12926 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  SEINET8687012  Ficus carica L. Smith 1980-9-20 s.n. Placer Canyon along north fork of Middle Fork of American River 366 Comment
  UCR234162  Filago gallica George K. Helmkamp, E. A. Helmkamp 2011-4-10 17161 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  JEPS127516  Fragaria virginiana Steve Matson 1998-6-14 234 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek; north edge of main boggy site. Comment
  CAS-BOT-BC447512  Fragaria virginiana var. platypetala Alice Eastwood 1909-1-1 7 Placer Sunnyside Comment
  UCD15154  Frangula californica subsp. tomentella Phyllis Adams 1982-5-9 39 Placer California, Placer Co.; in the American River Canyon along Highway 49; 243 Comment
  SEINET11248091  Frangula purshiana W. D. Billings 1940-5-18 1306 Placer North of Placer mines. Gold run. Comment
  UCD74250  Frangula rubra Jennifer W. Burt 2005-7-11 150 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from coniferous forest near abandoned ski runs. 1988 Comment
  CHSC2272  Fritillaria agrestis V. Holt 1937-3-28 Placer Near Lincoln. 51 Comment
  CAS-BOT-BC504557  Fritillaria atropurpurea Sherman Chickering 1974-7-8 s.n. Placer Near Soda Spring, Plants of the Sierra Nevada 1920 Comment
  RSA25140  Fritillaria micrantha C. L. Hitchcock 1940-5-7 6335 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC504447  Fritillaria recurva Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SEINET8480166  Fritillaria recurva C. Fitz 1959-4-24 s.n. Placer Rough and Ready. 549 Comment
  UCR250146  Galium aparine George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20831 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  JEPS72400  Galium bifolium Gladys L. Smith 1972-6-20 3268 a Placer Sherwood Forest Ward Peak (on flanks of peak) 2286 Comment
  POM67595  Galium bolanderi Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC147594  Galium bolanderi Harriet A. Walker 1908-6-25 1290 Placer Blue Canyon 1432 Comment
  UCR176261  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCR231007  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-8-14 16799 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  JEPS6434  Galium bolanderi R. Bacigalupi with A. Hawkes, J. Hunziker, G. Stebbins, D. Zohary and H. Stutz, and F. Ehrendorfer 1952-7-19 3860 Placer along river directly below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd); North Fork of the American River 381 Comment
  UC710556  Galium grayanum var. grayanum John Thomas Howell 1943-7-26 18840 Placer Mt. Lincoln Comment
  CDA36878  Galium murale CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA6665  Galium murale T. C. Fuller 1959-5-2 2407 Placer Warren Wilson property, Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  CDA19485  Galium parisiense M. I. Wibawa 2002-5-27 261 Placer Sacramento Valley; Folsom Lake State Recreation Area. 121 Comment
  CDA36879  Galium parisiense CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  SEINET9349432  Galium parisiense Unknown 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills Comment
  SEINET2441558  Galium porrigens George K. Helmkamp 2009-8-12 15427 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5' Q.). 1662 Comment
  UCD149392  Galium sparsiflorum G. Ledyard Stebbins 1976-7-3 7670 Placer Big Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SBBG7322  Galium trifidum E. R. Blakley 1960-9-3 3815 Placer King's Beach, Lake Tahoe 1903 Comment
  UCD44530  Galium trifidum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1896 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS127440  Galium trifidum subsp. columbianum Steve Matson 1998-6-27 306 Placer Martins Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, southeast of junction of East Martis Creek and Martis Creek. Comment
  CHSC74257  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-11 98 -348 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC74258  Galium trifidum var. pacificum Susi Urie 1998-9-4 98 -260 Placer About 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UCR249595  Galium triflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20816 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  SACT001221  Gastridium ventricosum Josephine Van Ess 1978-7-17 Placer Collected on open hillside near old small resvervoir east of big pond about 1 mile east of the east end of Annabelle Ave. open grassy area. 103.0 Comment
  SACT001233  Gastridium ventricosum D. Meyer 1984-6-10 Placer 436.0 Comment
  SACT001236  Gastridium ventricosum Michael Baad 1977-6-8 Placer 3.7 miles east of canyon on Forest Hill to French Meadows Road. Slate outcrop. Comment
  SCFS1151  Gayophytum E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  SD247469  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19896 Placer Northern Sierra Nevada Mountains: junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap. 1634 Comment
  UCD21987  Gayophytum Rex Palmer 1979-5-27 N 46 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD34548  Gayophytum Beecher Crampton 1985-6-23 9993 Placer Placer County, North Shore Lake Tahoe, Stateline Road. 1950 Comment
  CDA15964  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, J. Glazner 1999-7-17 15125 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1122593  Gayophytum diffusum subsp. parviflorum N. French 1934-8-22 476 Placer 1/2 w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  UCD103624  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11215 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  CHSC74242  Gayophytum heterozygum Susi Urie; Eric Schroder 1998-9-8 98 -274 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  OBI12035  Gayophytum heterozygum Robert F. Hoover 1967-9-5 10826 Placer Carnelian bay, Lake Tahoe Comment
  POM37952  Gayophytum heterozygum Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  SEINET4150924  Gayophytum heterozygum L. R. Miller 1929-7-21 s.n. Placer East end of Donner Lake Comment
  UC146056  Gentiana calycosa Mrs. W. S. Chandler Sept., 1910 Placer Deer Park Comment
  JEPS47058  Gentianopsis simplex Rowena Beans 1914-9-7 Placer w. of Tahoe Tavern 2 mi., Lake Tahoe Lake Tahoe Comment
  RSA0028446  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15904 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  RSA531311  Geum canescens Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4544 Placer Squaw Valley beyond upper cable car station. on SW slope below a rocky summit. Comment
  JEPS103385  Gilia capillaris Lowell Ahart 2002-7-22 9893 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
  UCD117710  Gilia capitata subsp. mediomontana G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10425 Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  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
  UCR193337  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2007-5-30 12175 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UCR256998  Gilia capitata subsp. pedemontana George K. Helmkamp, Amy Barnes 2014-4-23 22787 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SEINET2441404  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-7-16 15224 Placer Sierra Nevada Mountains: Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat (Duncan Peak 7.5' Q.). 2020 Comment
  UCR242367  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  SEINET10464615  Githopsis specularioides Gates 1879-1 GATES s.n. Placer Rose Springs 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
  SACT001260  Glyceria elata Michael Baad Placer No date listed. 2072.0 Comment
  UC1495301  Glyceria elata Robert T. Clausen and Harold Trapido 1940-7-13 4896 Placer 2 mi w Lake Tahoe (woods along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
  UCD36713  Glyceria elata Beecher Crampton 1955-7-13 2998 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  POM112751  Glyceria striata Marcus E. Jones 1882-7-3 s.n. Placer Colfax. 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
  CAS-BOT-BC307368  Gnaphalium palustre Katharine Brandegee 1917-8-1 s.n. Placer Cisco Comment
  UCD42866  Gnaphalium palustre C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 233 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  RSA122379  Gnaphalium palustre B. Bolt 1934-7-22 161 Placer Chicken Hawk Camp. 1280 Comment
  UCD22066  Goodyera oblongifolia Beth Lowe Corbin 1982-8-20 400 Placer 1/2 mile west of Onion Creek Campground. 1950 Comment
  CDA39513  Goodyera oblongifolia G. D. Barbe 1975-9-18 2068 Placer Emigrant Gap Road, 0.3 mile west of I-80 off-ramp. Comment
  CHSC96509  Gratiola ebracteata Lowell Ahart; Brian Williams 2007-4-13 13653 Placer On damp granite soil, on the bottom of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  JEPS41903  Grindelia hirsutula W. H. Shockley Jun 1886 Placer Auburn Comment
  RSA21276  Grindelia hirsutula var. davyi C. B. Wolf 1937-5-12 8619 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  UCR240896  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2012-6-19 19209 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  UCR249616  Grindelia hirsutula var. davyi George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20839 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.1 mile northwest of its junction with Spring Garden Road 738 Comment
  SEINET11262438  Grindelia hirsutula var. davyi K. L. Chambers 1982-6-26 4979 Placer Hwy 65, 1.5 miles north of railroad overpass just north of Roseville. On Industrial Way near the railroad tracks.; 0 Comment
  SEINET7725991  Habenaria sparsiflora Unknown 1888-1 Placer Comment
  JEPS71663  Hackelia micrantha Gladys L. Smith 1972-6-18 3136 Placer Alpine Meadows 2072 Comment
  UC615307  Hackelia micrantha Beryl O. Schreiber 1933-7-21 896 Placer above Homewood (near Mount Ellis Trail); Lake Tahoe Comment
  UC881756  Hackelia micrantha A. A. Heller 1917-8-14 12936 Placer s of Summit Valley; Mount Lincoln 2438 Comment
  UC710452  Hackelia nervosa Lewis S. Rose 1944-7-10 44054 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UC147633  Hackelia velutina Harriet A. Walker 1908-6-23 1210 Placer Blue Canyon 1432 Comment
  UC80318  Helenium puberulum Brandegee 1889-7-5 Placer Newcastle Comment
  SD112703  Helianthella californica var. nevadensis Darley F. Howe 1948-5-23 1852 Placer American River 305 Comment
  UC614683  Hesperochiron californicus L. Constance 1938-6-6 2280 Placer 6.5 mi. w. Cisco; Sierra Nevada 1584 Comment
  UC635580  Hesperochiron californicus H. L. Mason 1933-5-28 7241 Placer Tahoe Meadows Comment
  JEPS126293  Hesperochiron pumilus Steve Matson 2004-8-22 1045 Placer Tahoe Basin west shore; Ward Canyon; above road terminus on ski slope; beneath Chairlif base tower. Comment
  JEPS71648  Hesperochiron pumilus Gladys L. Smith 1972-6-18 3158 Placer Alpine Meadows 2072 Comment
  SD81183  Hesperolinon micranthum D. F. Howe 1971-6-29 Placer 1.4 miles east of Horest Hill. 1096 Comment
  SEINET10972522  Heterocodon rariflorum Raven Raven 9997 Placer 1 MI FROM BLUE CANYON ON RD TO EMIGRANT GAP Comment
  UCR171398  Heterotheca oregona George K. Helmkamp, E. A. Helmkamp 2005-9-30 9969 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
  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
  SEINET6031227  Heuchera micrantha S. Dean 1979-3-31 s.n. Placer Eldorado Creek near junction with N. fork of Middle Fork of American River on Mosquito Ridge Rd 518 Comment
  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
  SCFS1117  Hieracium albiflorum E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail at Bailey Cabin. Comment
  UCD21776  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA42823  Hieracium argutum G. F. Hrusa, M. Pitcairn 2015-7-16 18646 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  CAS-BOT-BC315996  Hieracium nudicaule H. M. Hall 1912-7-18 9365 Placer Willow Creek 1280 Comment
  RSA121227  Holcus lanatus N. H. French 1933-5-5 42 Placer S. of Newcastle. 183 Comment
  SACT001287  Holcus lanatus Josephine Van Ess 1972-6-11 Placer Barton Road and Seven Cedars Road. Collected along Seven Cedars Road. Low moist area. Comment
  SEINET238860 Image available Holcus lanatus Beecher Crampton 1952-11-9 929 Placer 6 miles east of Auburn 1 mile south of Meadow Vista. 457 Comment
  UCD84895  Holcus lanatus August L. Hormay 1932-5-24 s.n. Placer West of Auburn. Comment
  JEPS38265  Holocarpha virgata subsp. virgata J. W. Blankinship 1909-9-13 Placer Roseville Comment
  CAS-BOT-BC150013  Holodiscus discolor var. discolor John H. Thomas; Hazelle A. Thomas 1956-7-21 6194 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SACT001301  Hordeum brachyantherum D. Meyer 1983-9-10 Placer West end near parking lot moist streambank and meadow. 1879.0 Comment
  SACT001317  Hordeum brachyantherum Michael Baad 1983-7-23 Placer .25 mile west of US Highway 89, boggy meadows along road. 1828.8 Comment
  UCD43312  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 680 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SACT001335  Hordeum geniculatum Michael Baad 1977-6-3 Placer Collected in camp, serpentine outcrop at Jeffery Pine. 1219.0 Comment
  SACT001374  Hordeum leporinum D. Meyer 1984-6-23 Placer and Forest road. .16 km from I80-Frontage Road. 352.0 Comment
  UCD80557  Hordeum murinum CNPS SN Foothill Team 2005-4-11 SNFN 0103 b Placer Placer Legacy, Spears/Didion Ranch, above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  SEINET4670477  Hordeum murinum subsp. leporinum A. Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-1 608 Placer One mile north of Lincoln Comment
  SCFS1124  Horkelia fusca E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. On trail 0.2-m from Cedars. Comment
  RSA35116  Horkelia fusca subsp. parviflora L. S. Rose 1944-7-13 44102 Placer Chambers Lake, Lake Tahoe. 1921 Comment
  UC128221  Horkelia fusca subsp. parviflora Miss Harriet A. Walker 1908-7-26 1399 Placer Cisco 1798 Comment
  CAS-BOT-BC537860  Horkelia fusca var. parviflora Alice Eastwood 1909-1-1 119 Placer Lake Tahoe region: Sunnyside Comment
  OBI20154  Horkelia fusca var. pseudocapitata David J. Keil 1978-7-23 12944 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  CAS-BOT-BC514266  Horkelia fusca var. pseudocapitata Margaret J. Williams 1985-7-6 85- 61 -8 Placer Sierra Nevada: near old Donner Summit, S of Lake Mary 2286 Comment
  UCD67955  Horkelia tridentata Nicholas Ewing 1977-5-28 29 Placer 5.3 mi. E. of Foresthill on Auburn-Foresthill Road. 1249 Comment
  SEINET6767889  Horkelia tridentata M. J. Williams 1986-6-19 86- 64 -3 Placer Sierra Nevada; S of I-80, near Cisco Grove. 1743 Comment
  HSC33456  Horkelia tridentata var. tridentata Thomas W. Nelson, James Nelson 1974-6-17 1353 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  CAS-BOT-BC537974  Horkelia tridentata var. tridentata Lewis S. Rose 1940-5-29 40418 Placer Cisco 1737 Comment
  SEINET7716723  Hosackia crassifolia Unknown 1888-7-14 Placer Summit Soda Comment
  CAS-BOT-BC376329  Hosackia crassifolia var. crassifolia Greg de Nevers 1995-8-20 10769 Placer Lake Tahoe. 2164 Comment
  UCD22014  Hosackia oblongifolia Beth Lowe Corbin 1982-8-11 315 Placer 1 2/3 mile SW of Onion Creek campground. Along moist bank of drainageway, in montane chaparral. Herb about 18' high. Flowers yellow with red lines, wings white. Mostly shade. South facing slope, 20% incline. Common. 1889 Comment
  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
  UC24090  Hydrophyllum capitatum var. alpinum C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  UCD22027  Hydrophyllum capitatum var. alpinum Rex Palmer 1979-6-20 N 276 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC400937  Hypericum anagalloides A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end of Summit Valley 2042 Comment
  SJSU8045  Hypericum anagalloides R. L. Fisher 1959-6-26 Placer Yuba Gap, Hwy 40 1676 Comment
  UCD33600  Hypericum anagalloides Beecher Crampton 1970-6-25 8627 Placer Placer County, 1 mile west of Kingvale. 1859 Comment
  UC128392  Hypericum anagalloides Miss Harriet A. Walker 1908-7-27 1461 Placer Yuba R. near Cisco; Yuba R. Comment
  UCR201895  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14033 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  CHSC73049  Hypericum formosum var. scouleri L. P. Janeway 1998-8-6 5962 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  RSA458264  Hypericum perforatum Wm. Martin 1971-9-10 20281 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CAS-BOT-BC401266  Hypericum perforatum Marcus E. Jones 1930-7-11 s.n. Placer Auburn Comment
  CDA32869  Hypochaeris glabra CDFA Staff 1980-1 Placer Auburn: Agricultural Commissioner's Office 0 Comment
  UCD21977  Ipomopsis aggregata Beth Lowe Corbin 1982-8-4 225 Placer 1/4 mile NW of Onion Creek campground. In rocky, fine, sandy soil in montane chaparral. Perennial. Flowers bright scarlett. Partial sun. SW facing slope, 15% incline. Uncommon. 1950 Comment
  UC23335  Ipomopsis aggregata A. M. Carpenter 1893-8 Placer Comment
  CDA15678  Ipomopsis aggregata subsp. aggregata G. F. Hrusa, J. Glazner 1999-7-18 15228 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1920 Comment
  POM147882  Ipomopsis aggregata subsp. formosissima J. B. Feudge 1927-7-19 1746 Placer Donner Lake 2134 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
  UC23473  Ipomopsis congesta C. J. Fox Jr. 1895-7-1 Placer near Squaw Peak Comment
  UCR190920  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12069 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  RSA136471  Iris macrosiphon Lee W. Lenz, E. K. Balls 1955-5-12 20473 Placer U.S. Highway 40, at Colfax 762 Comment
  SEINET11261550  Iris tenuissima subsp. purdyiformis George Helmkamp, E. A. Helmkamp 2012-5-5 18913 Placer Northern Sierra Nevada Mountains Foothills on Lake Clementine Road, 1.2 miles W of the junction with Foresthill Road. 0.3 air miles SE (123 degrees) of Clementine Dam on the American River.; 0 396 Comment
  CAS-BOT-BC112653  Isolepis setacea Mrs. J. MacFadden 1934-7-8 12642 Placer Bear River, You Bet Road.to Colfax. Comment
  UC9316  Isopyrum occidentale H. N. Bolander 1865-4-12 4553 Placer near Forest Hill; near Forest Hill Comment
  CAS-BOT-BC324810  Iva axillaris Peter H. Raven 1956-8-4 9978 Placer Blue Canyon, Sierra Nevada 1432 Comment
  SEINET11911561  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 s.n. Placer Tinker Knob, near Truckee 2896 Comment
  UC830912  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  SACT002761  Juglans regia Josephine Van Ess 1976-10-13 Placer Collected near PFE road. Old roadside planting-rows of trees along road for some distance 27.4 Comment
  UCD43103  Juncus balticus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 471 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD162584  Juncus bufonius var. occidentalis Steve Matson 2003-7-29 861 Placer nSNH; Tahoe west shore; Timberland subdivision; next to Rideout School/Community Center. 1920 Comment
  UCD74140  Juncus chlorocephalus Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 243 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2192 Comment
  UCD163531  Juncus effusus Peter Rubtzoff 1979-8-31 9419 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass quadrangle, 15 minute series). At Serene Lakes Lodge. Comment
  SEINET2441254  Juncus effusus var. pacificus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15431 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill. (Duncan Peak 7.5' Q.).; 0 1662 Comment
  UCD141530  Juncus ensifolius G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12647 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  UCD34025  Juncus ensifolius Beecher Crampton 1975-9-9 9277 Placer Placer County, Gold Run rest area on Hwy. 80. 914 Comment
  UCR260071  Juncus ensifolius George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22415 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  SEINET9342708  Juncus occidentalis Unknown 1999-7-17 15151 Placer Martis Valley, CA (Lat. 39deg18'39") Comment
  CDA16994  Juncus orthophyllus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16047 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC74025  Juncus orthophyllus Susi Urie 1998-8-28 98 -128 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD21847  Juncus parryi Rex Palmer 1979-5-27 N 83 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43385  Juncus triformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 753 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC95  Juniperus occidentalis J. Burtt Davy Jul 25 1897-Jul 30 1897 3263 Placer near Deer Park Inn; Truckee River Basin Comment
  UCD22093  Juniperus occidentalis Beth Lowe Corbin 1982-8-8 283 Placer 1/2 mile SW of Onion Creek Campground. South facing slope, 20% incline. 1798 Comment
  SEINET5334977  Juniperus occidentalis T. C. Frantz 1951-5-22 s.n. Placer next to Hunter Inn, Lake Tahoe, growing on large tree opposite highway Comment
  RSA133970  Juniperus occidentalis var. australis John H. Thomas, Hazelle A. Thomas 6149 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2134 Comment
  POM260303  Keckiella breviflora C. Leo Hitchcock 1940-5-14 6413 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  SBBG26864  Keckiella breviflora C. L. Hitchcock 1940-5-14 6413 Placer Meier Ranch, ca. 6 mi N of Colfax Comment
  SCFS5072  Keckiella breviflora E. Krimmel, Faerthen Felix 2014-6-26 Placer North Fork American River, Headwaters Basin Comment
  UC886836  Keckiella breviflora var. glabrisepala C. L. Hitchcock 1940-5-14 6413 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  CAS-BOT-BC246323  Keckiella lemmonii Alice Eastwood 1909-1-1 233 Placer Squaw Creek Comment
  UC170099  Keckiella lemmonii Miss Helen D. Geis 1912-6 163 Placer Deer Park Comment
  UC35328  Kelloggia galioides C. F. Sonne 1885-8-23 Placer Coldstream; Sierra Nevada Mountains Comment
  UC889315  Kelloggia galioides Alice Eastwood 1909-1 174 Placer Sunnyside; Lake Tahoe Region Comment
  UCD22298  Kelloggia galioides Rex Palmer 1979-7-11 N 578 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22299  Kelloggia galioides Beth Lowe Corbin 1982-8-2 153 Placer Onion Creek campground. In fine, sandy, granitic soil. Perennial herb with slender rhizomes; flowers white. Mostly shade. South facing slope. Locally clumped, but uncommon. 1841 Comment
  UCR232621  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16638 Placer Northern Sierra Nevada Mountains, Forest Route 10 (Sugar Pine Rd.), 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34 deg. ) of Foresthill 1311 Comment
  SEINET12328850  Kelloggia galioides J. H. Nishida 1985-1 784 Placer Homewood 1829 Comment
  SACT001427  Koeleria phleoides Josephine Van Ess 1980-4-23 Placer Collected at intersection with Taylor Road. Weedy area, near building. 121.9 Comment
  CHSC12192  Kumlienia hystricula Lowell Ahart 1973-3-29 Placer Near Forest Hill. 472 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
  JEPS126387  Lactuca serriola Steve Matson 1998-9-1 399 Placer Tahoe north shore Watershed, Tahoe Vista/Kings Beach; West Fork Snow Creek about 300 yards NW of pond. Comment
  CAS-BOT-BC341358  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  JEPS7096  Lagophylla glandulosa Rimo Bacigalupi with G. L. Stebbins, Juan Hunziker, Alex Hawkes, Daniel Zohary, et al 1952-7-19 3848 Placer 1.5 mi n of (and below) Colfax (on the road to Iowa Hill, on grade down into and on the n slope of the North Fork of the American River); North Fork of the American River Comment
  JEPS12637  Lagophylla ramosissima W. H. Shockley 1886-6-20 Placer Auburn Comment
  UC1124452  Lamium amplexicaule C. R. Clar 1933-3-25 110 Placer Bear River; Colfax Quad. 640 Comment
  CDA37172  Lamium amplexicaule CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  SEINET7949735  Lamium amplexicaule D. G. Cooney 1960-4-13 8 Placer Auburn 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
  RSA791426  Lasthenia glaberrima George K. Helmkamp, E. A. Helmkamp 2011-5-12 17252 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  CAS-BOT-BC213500  Lathyrus jepsonii subsp. californicus Marcus E. Jones 1883-7-1 s.n. Placer Emigrant Gap Comment
  UC372671  Lathyrus jepsonii var. californicus Marcus E. Jones, A. M. 1882-7-1 3573 Placer Emigrant Gap Comment
  UCD106371  Lathyrus lanszwertii var. lanszwertii C. L. Hitchcock 1949-6-6 19069 Placer Roadside ca. 5 miles south of Tahoe, W side of Lake Tahoe. Comment
  UCD106345  Lathyrus latifolius E. O. Amundsen 1920-6-15 s.n. Placer E. Auburn. Comment
  SEINET11261857  Lathyrus nevadensis subsp. nevadensis George Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1041 Comment
  UC15345  Lathyrus nevadensis var. nevadensis State Survey 1865-4-13 4629 Placer Forest Hill Comment
  CHSC89283  Lathyrus sulphureus G. F. Hrusa; M. I. Wibawa, J. Glazner 2002-5-22 16053 Placer Sierra Nevada. Hughes Mill (site) above Foresthill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  POM260012  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer 1 mile west of Baxter. Comment
  SEINET11261547  Lathyrus sulphureus George Helmkamp, E. A. Helmkamp 2012-5-5 18914 Placer Northern Sierra Nevada Mountains Foothills on Lake Clementine Road, 1.2 miles W of the junction with Foresthill Road. 0.3 air miles SE (123 degrees) of Clementine Dam on the American River.; 0 396 Comment
  UCR194939  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12004 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UC177013  Layia pentachaeta subsp. pentachaeta Katharine Brandegee Placer Auburn Comment
  SEINET11447839 Image available Layia platyglossa R. L. Smith 1942-4-3 9 Placer 5 miles E of Roseville 122 Comment
  JEPS66644  Ledum glandulosum C. F. Sonne 1885-7 207 Placer Summit at Lake Angeline Lake Angeline; Sierra Nevada Mountains, Lake Angeline Comment
  SEINET7270125  Ledum glandulosum W. D. Billings 1951-8-21 2150 Placer Sierra Nevada, E. slope of Granite Chief 2377 Comment
  SEINET200147 Image available Leersia oryzoides S. G. Smith, MA Nobs 1949-8-22 1542 Placer SW city limits of Roseville Comment
  UCD77803  Legenere limosa Robert E. Preston 2002-5-3 1787 Placer around 3 miles ssw of Lincoln, north of Orchard Creek 35 Comment
  JEPS127472  Lemna minor Steve Matson 2002-8-4 657 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267; Lookout Mountain branch of Martis Creek. Comment
  JEPS127479  Lemna trisulca Steve Matson 2002-8-4 656 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267; Lookout Mountain branch of Martis Creek. Comment
  SEINET3167471  Leontodon saxatilis subsp. longirostris R. W. Spellenberg, N. Zucker 2010-4-16 14153 Placer N edge of Lincoln along Hwy 65 45 Comment
  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
  SD81098  Lepidium campestre Darley F. Howe 1971-7-3 Placer Truckee 1830 Comment
  JEPS126411  Lepidium chalepense Steve Matson 1998-6-6 215 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 40 yards south of Highway 267. Comment
  HSC82616  Lepidium lasiocarpum Thomas W. Nelson, Jane P. Nelson 1979-4-11 4607 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  CDA20197  Lepidium latifolium A. Williams 2003-8-13 PDR 1407016 Placer Sierra Nevada; Timber Dr, Pineland. 0 Comment
  RSA0033852  Lepidium latifolium Barbara Ertter 1999-7-9 16757 Placer Emigrant Gap Vista Point on Interstate 80. Comment
  CAS-BOT-BC60086  Lepidium virginicum var. menziesii M. S. Jussel 1928-6-25 s.n. Placer Tahoe City. Comment
  UCR171335  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9979 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  SACT001404  Leptochloa fascicularis Josephine Van Ess 1973-6-24 Placer Collected just south on Barton Road. Wet roadside ditch. 91.5 Comment
  SD44651  Leptosiphon bicolor Darley F. Howe 1951-5-2 2111 Placer Placer County 456 Comment
  CHSC91653  Leptosiphon bolanderi M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 259 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. Along old road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  UCD22110  Leptosiphon ciliatus Rex Palmer 1979-7-12 N 622 Placer Headwaters basin area of the North Fork of the American River 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
  UC188534  Lesquerella occidentalis subsp. occidentalis C. F. Sonne 1885-6-25 Placer head of Squaw Valley head of Squaw Valley on Truckee River (on Truckee River) Comment
  UC1287477  Lessingia leptoclada Willard Spence 1960-9-7 627 Placer Route 49 1 mi e Auburn (on road to Cool) Comment
  JEPS20599  Lessingia virgata R. F. Hoover 1936-7-31 1588 Placer Sheridan Comment
  CAS-BOT-BC444160  Lewisia nevadensis Alice Eastwood 1912-6-15 441 Placer Tahoe City, Lake Tahoe Region Comment
  UC852036  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Yuba River below Cisco; Yuba River 1676 Comment
  CAS-BOT-BC444234  Lewisia pygmaea Betty J. Jorgensen 1944-6-24 491 Placer Cascade Lakes about 6 miles S.W. of Soda Springs Comment
  CAS-BOT-BC444554  Lewisia triphylla Marcus E. Jones 1882-6-28 2629 Placer Emigrant Gap Comment
  POM164116  Lewisia triphylla C. F. Sonne 1897-7-18 4125 Placer Tinker s Knob 2744 Comment
  UCD22147  Lewisia triphylla Rex Palmer 1979-6-19 N 230 Placer Headwaters basin area of the North Fork of the American River Comment
  POM101906  Lewisia triphylla Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  SD1544  Lewisia triphylla C. F. Sonne 1897-7-18 Placer Sierra Nevada Mts near Truckee Knob Comment
  MACF019631  Libocedrus decurrens Fay A. MacFadden 1934-8-3 12824 Placer California Comment
  UCD43253  Ligusticum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 622 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC436045  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer Mt. Lincoln south of Summit valley 2499 Comment
  SEINET8465195 Image available Ligusticum grayi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15232 Placer Sierra Nevada Mountains; Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCD21592  Ligusticum grayi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1255 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  CAS-BOT-BC130775  Lilium pardalinum A. M. Vollmer; L. Beane 1951-7-1 188 Placer Bear Valley, east of Nevada City Comment
  UC984809  Lilium pardalinum A. M. Vollmer and L. Beane Jul 1951 188 Placer e of Nevada City (Bear Valley); Bear Valley Comment
  UC148980  Lilium parvum H. M. Hall Jul 1910 8755 Placer near Cisco; Sierra Nevada Mountains 1859 Comment
  RSA75614  Lilium washingtonianum Albert M. Vollmer, L. Beane 1951-07 191 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC133077  Lilium washingtonianum subsp. washingtonianum Jean L. Pawek 1956-7-18 198 Placer Highway 40 1828 Comment
  CAS-BOT-BC334223  Lilium washingtonianum var. washingtonianum George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19796 Placer Northern Sierra Nevada Mountains: Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  SEINET6669335  Limnanthes alba A. Beninghoff 1930-4-20 1508 Placer Lincoln Comment
  UC907583  Limnanthes alba Alice Williams 1946-6-5 2 Placer 1/2 mi e Post Office (on US 40, on bank of brook); Weimar Comment
  UCD116462  Limnanthes alba subsp. alba Beecher Crampton 1953-4-13 1096 Placer Sunnybrook Farms, 2 miles north Lincoln, Francheschi Ranch. Comment
  UCR253145  Limnanthes alba subsp. alba George K. Helmkamp, Amy Barnes 2014-4-23 22812 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
  UC23537  Linanthus filipes Bolander 1865-4-13 4567 Placer Newcastle Comment
  UC30146  Linanthus filipes H. N. Bolander 1865-1 4567 Placer Auburn Comment
  UC880295  Linanthus filipes Marcus E. Jones, A. M. Jun 1882 Placer Emigrant Gap Comment
  CDA38630  Linaria genistifolia subsp. dalmatica Clayton Seado 2012-8-9 PDR# 1611239 Placer Tahoe City; Tahoe City Public Utility District near Jackpine Street. 0 Comment
  UC217663  Linaria vulgaris Katharine Brandegee Placer Donner, Summit House Donner; , Summit House Comment
  SD6118  Linaria vulgaris none given Aug 1914 Placer Summit Comment
  UC1191861  Lindernia dubia var. dubia Malcolm A. Nobs and S. Galen Smith 1949-8-22 1543 Placer sw city limits Roseville Comment
  JEPS127469  Linum lewisii var. lewisii Steve Matson 2003-5-26 785 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork. Comment
  OBI60157  Lipocarpha micrantha David J. Keil, with Kathleen A. Keil 1999-7-17 28378 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  UC13524  Listera convallarioides Chesnut and Drew 1889-7-1 Placer Ackerman's Comment
  CAS-BOT-BC36161  Lithocarpus densiflorus var. densiflorus C. B. Wolf 1930-10-11 55 Placer 8 miles west of Emigrant Gap on road to Colfax 1371 Comment
  RSA98977  Lithophragma bolanderi L. S. Rose, W. A. Weber 1953-5-19 8398 Placer 1 mile SE of Auburn 305 Comment
  JEPS71834  Lithophragma glabrum Gladys L. Smith 1972-6-18 3159 Placer Alpine Meadows 2072 Comment
  CAS-BOT-BC441139  Lithophragma parviflorum G. L. Stebbins 1978-5-28 7891 Placer East end of Ralston Ridge 1554 Comment
  POM92062  Lithophragma parviflorum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  SACT001445  Lolium multiflorum D. Meyer 1983-5-7 Placer Roadside Comment
  CDA15458  Lolium perenne D. Mitani 1999-3-31 PDR 1223619 Placer Sierra Nevada; Winchester Country Club golf course, Meadow Vista. 0 Comment
  SACT001453  Lolium perenne D. Meyer 1983-7-24 Placer Moist shady roadside. 1036.32 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
  JEPS111196  Lonicera cauriana Steve Matson 2005-7-4 1369 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
  UC1125215  Lonicera conjugialis N. French 1934-6-18 419 Placer Lock Leven Lakes Tahoe National Forest, Truckee Quadrangle Comment
  UC1125222  Lonicera conjugialis N. French 1934-6-8 404 Placer Cisco Butte Tahoe National Forest, Colfax Quadrangle Comment
  UC889535  Lonicera conjugialis Alice Eastwood Jun 15 1912-Jun 19 1912 427 Placer Deer Park Lake Tahoe Region Comment
  SEINET8056613  Lonicera conjugialis M. J. Williams 1985-7-6 85- 63 -8 Placer Sierra Nevada; Pacific Crest trail between old and new Donner Summits. Comment
  UCD50453  Lonicera conjugialis D. Axelrod 1982-1 s.n. Placer Exact location unknown. Comment
  SEINET8056667  Lonicera hispidula var. vacillans J. Landers 1974-9-22 s.n. Placer Middle Fork American River. 290 Comment
  CAS-BOT-BC200946  Lotus Hazelle A. Thomas; John H. Thomas 1956-7-21 6183 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCR208542  Lotus argophyllus var. fremontii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14610 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  SEINET5453657 Image available Lotus corniculatus E. Neese 1980-10-15 9985 Placer Gravel banks- roadside- in scrub oak community. Comment
  SEINET3694585 Image available Lotus humistratus C. L. Hitchcock 1940-5-14 6382 Placer Meier Ranch, ca 6 miles N of Colfax 762 Comment
  CDA36916  Lotus micranthus CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA37243  Lotus micranthus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC212478  Lotus micranthus Mary E. P. Ames Apr 1895 Placer Auburn Comment
  SEINET5327442  Lotus nevadensis F. H. Hillman s.n. Placer [Sierra Nevada] between Truckee and Lake Tahoe Comment
  RSA790110  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17854 Placer Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg ) of Emigrant Gap 1590 Comment
  RSA293385  Lotus oblongifolius Reino Alava 1958-5-2 1994 -A Placer About four miles from auburn along the road to Nevada City. Comment
  RSA689638  Lotus oblongifolius var. nevadensis Beecher Crampton 1972-7-26 8855 Placer 1 miles west of Cisco Grove o n Interstate 80. 1677 Comment
  UC65764  Lotus oblongifolius var. oblongifolius P. B. Kennedy and S. B. Doten 1901-8-15 406 Placer 6 mi from French Meadows Comment
  UCR146925  Lotus purshianus Beecher Crampton 1959-7-23 5423 Placer Sacramento Valley, 6 miles north of Folsom 122 Comment
  UCR176249  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2006-8-11 11218 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  RSA122898  Lotus unifoliolatus B. Bolt 1934-7-20 154 Placer Whiskey Hill. 1646 Comment
  CDA3835  Lunaria annua T. C. Fuller, H. K. Wagnon 1964-5-18 11982 Placer South of railroad tracks, east of Dutch Flat Road. Alta. 0 Comment
  CAS-BOT-BC201251  Lupinus Charles Piper Smith 1932-9-2 4782 Placer Tahoe City, 3 miles south Comment
  UCR189634  Lupinus adsurgens George K. Helmkamp, E. A. Helmkamp 2007-7-27 12630 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UC1129253  Lupinus apertus B. Bolt 1934-7-6 82 Placer 1 1/2 mi se Monumental Hill; Tahoe National Forest, Colfax Quad., se of Monumental Hill Comment
  JEPS46223  Lupinus apertus L. S. Smith 1931-6-3 2553 Placer summit at Duncan Peak (Tahoe Forest); , Duncan Peak 2133 Comment
  JEPS86490  Lupinus arbustus L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6571 Placer ca 5 mi se Donner Lake (Sherman Chickering's Soda Springs holdings); se of Donner Lake, e of Tinker Knob 2621 Comment
  UCR207104  Lupinus arbustus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15229 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  RSA0028923  Lupinus arbustus John F. Emmel 1997-7-25 1509 Placer Sierra Nevada, Donner Pass area. West slope of Mt. Judah. Section 21 and Section 28. 2409 Comment
  SJSU10708  Lupinus arbustus H. T. Harvey 1958-8-19 Placer Sugar Bowl, 1 mi N of Donner Summit 2164 Comment
  UC170081  Lupinus arbustus var. arbustus Helen D. Geis 1912-6 68 Placer Deer Park Comment
  CAS-BOT-BC208844  Lupinus argenteus var. meionanthus John Thomas Howell 1943-7-21 18674 Placer Mt. Lincoln Comment
  SD237433  Lupinus benthamii G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15908 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Road, 4.5 miles south of junction with CA-49 at Pilot Hill (Pilot Hill 7.5'Q) 287 Comment
  JEPS65024  Lupinus benthamii R. E. Arp 1932-4-18 4 Placer Coloma Comment
  CDA27414  Lupinus bicolor T. C. Fuller 1958-4-15 Placer Highway 99E, 0.5 mile north of Roseville. 0 Comment
  UCD107243  Lupinus bicolor G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UCD164623  Lupinus bicolor Brandi Sorensen 1995-5-12 14 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UCR188850  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-3-25 11705 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
  UCR238590  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2012-3-31 18661 Placer Sacramento Valley, along CA-193, 0.3 mile northwest of its junction with Gold Hill Road 131 Comment
  SEINET10484848  Lupinus bicolor Thomas W. Nelson 1979-4-10 Nelson 4593 Placer Along w side of sierra college blvd. Between i-80 and douglas blvd. Rocky moist Meadow and oak woodland Comment
  SEINET5328112  Lupinus bicolor A. Allen 1950-4-29 20 Placer 3 miles east of Roseville on Highway 40 Comment
  SEINET3151067  Lupinus laxiflorus var. silvicola A. A. Heller 1909-7-16 9857 Placer Summit 2134 Comment
  UC865253  Lupinus lepidus Marcus E. Jones, A. M. 1882-4-28 3305 Placer Emigrant Gap Comment
  SBBG3583  Lupinus lepidus var. confertus E. R. Blakley 1960-9-2 3801 Placer Carnelian Bay, Lake Tahoe 1903 Comment
  UCD108446  Lupinus lepidus var. lobbii S. L. Smith 1916-6-16 510 Placer Squaw Valley. Comment
  UCD108447  Lupinus lepidus var. lobbii L. S. Smith 1916-6 747 Placer Squaw Valley. Comment
  CDA24989  Lupinus lepidus var. sellulus J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC438836  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
  SDSU4678  Lupinus microcarpus var. densiflorus D. F. Howe 1948-5-21 1860 Placer 4 miles north of Auburn . Comment
  SEINET10402701 Image available Lupinus nanus Barbara Ertter, David Thompson 1989-1 8188 Placer Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., on NW side of road, ca 8 airmiles NE of Auburn 610 Comment
  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
  UCR188841  Lupinus polyphyllus subsp. polyphyllus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11708 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  RSA413833  Lupinus polyphyllus subsp. polyphyllus Wm Vortriede 1928-1 s.n. Placer Lake Tahoe Comment
  HSC33425  Lupinus polyphyllus subsp. superbus Thomas W. Nelson, James Nelson 1974-6-17 1377 Placer Dollar Point N of Lake Tahoe City 1585 Comment
  SEINET8059977  Lupinus polyphyllus var. burkei Caldwell 1962-5-9 120 Placer 6 miles north of Auburn, Highway 40 610 Comment
  UCD109382  Lupinus polyphyllus var. polyphyllus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11708 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  SEINET12164817  Lupinus sellulus J. H. Nishida 1985-1 792 Placer Homewood, Red Fir Forest 1829 Comment
  CHSC74327  Luzula cascadensis Susi Urie; Eric Schroder 1998-9-11 98 -342 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC227441  Luzula comosa George K. Helmkamp; E. A. Helmkamp 2012-5-5 18937 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  CHSC74326  Luzula comosa var. laxa Susi Urie; Eric Schroder 1998-9-8 98 -299 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UC473449  Luzula macrantha A. Kellogg 1870-6-16 Placer Cisco Comment
  UCD44569  Luzula subcongesta C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1935 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC82640  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  OBI82262  Madia elegans George K Helmkampf, Mary Alice Barnes 2013-5-3 20489 Placer Northern Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCD134236  Madia elegans Collector Unknown Date Unknown s.n. Placer Exact location unknown. Comment
  CAS-BOT-BC344463  Madia exigua David D. Keck 1933-5-31 2427 Placer Just south of Auburn, on road to Roseville 305 Comment
  CDA13697  Madia glomerata G. F. Hrusa, J. Glazner 1997-8-3 14057 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UC1076267  Madia glomerata Herbert L. Mason 1932-9-9 7176 Placer Cisco Comment
  UCR257630  Madia glomerata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19534 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  UC485303  Madia glomerata Katharine Brandegee Placer Summit Comment
  SD248342  Madia gracilis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20804 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road. 768 Comment
  UCR250292  Madia gracilis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20804 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  SCFS11529137  Maianthemum racemosum E. Krimmel, F. Felix 2012-9-13 Placer NFAm, downstream from Cedars. On streambank. Comment
  UCD139061  Maianthemum racemosum Rolf Y. Berg 1963-7-9 s.n. Placer State Highway 20, ca. 2 miles west of junction with U.S. Highway 40 at Emigrant Gap. Comment
  CAS-BOT-BC512884  Maianthemum stellatum W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  SEINET8491615  Maianthemum stellatum P. A. Lehenbauer 1932-6-26 s.n. Placer Tahoe City. Comment
  UCD107633  Marah fabacea G. K. Helmkamp; E. A. Helmkamp 2006-2-24 10067 Placer Sacramento Valley; edge of Sierra Nevada Foothills: Junction of Clark Tunnel Road and CA Highway 193, E of Lincoln. 113 Comment
  SEINET8551113  Marah fabacea S. Dean 1979-3-31 s.n. Placer Eldorado Creek near junction with North Fork of Middle Fork of American River, Mosquito Ridge Road to French Meadows. 518 Comment
  CDA37228  Medicago polymorpha CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR207850  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2009-4-22 14558 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
  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
  UCD36669  Melica aristata Beecher Crampton 1955-6-15 2905 Placer Placer County, Yankee Jims. 807 Comment
  UCD67016  Melica aristata R. Tofsrud 1951-7-1 Placer Hwy. 40, above Baxter, 3/4 mile below drinking station. Comment
  JEPS75173  Melica bulbosa Gladys L. Smith 1972-6-20 3261 Placer Ward Peak 2590 Comment
  SACT001492  Melica californica D. Meyer 1984-5-6 Placer On Garden Bar Road, riparian habitat. 182.0 Comment
  SACT001499  Melica californica Josephine Van Ess 1977-4-27 Placer Collected near top of hill where flume crosses the road. Dry slope. 140.2 Comment
  UCD86438  Melica californica Beecher Crampton 1955-6-15 2877 Placer Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  SACT001498  Melica californica var. nevadensis Michael Baad 1976-6-3 Placer 1.1 miles east of bridge. 3.3 miles east of Auburn on Old Auburn to Foresthill Road. Southwest facing slope. 217.0 Comment
  CAS-BOT-BC282065  Melica fugax A. A. Heller 1917-6-17 12699 Placer Along the Yuba River below Cisco 1676 Comment
  UC55052  Melica fugax Kellogg 1870-6-17 Placer Cisco Sierra Nevada, Yuba River (bottoms of Yuba River) Comment
  UCD87276  Melica fugax A. A. Heller 1917-6-17 12699 Placer Yuba River. Comment
  CAS-BOT-BC282114  Melica geyeri Marcus E. Jones 1982-6-30 3553 Placer Emigrant Gap Comment
  POM113312  Melica geyeri Marcus E. Jones 1882-6-30 3553 Placer Emigrant Gap. Comment
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Mar 1 2011
  SACT001514  Melica harfordii Michael Baad 1976-6-16 Placer Between first and second stream crossing. Comment
  SACT001521  Melica harfordii D. Meyer 1984-8-4 Placer wet roadside ditch and shaded hillside seeping water 1454.0 Comment
  UCD87488  Melica harfordii Beecher Crampton 1964-7-21 7129 Placer Blue Canyon. 1430 Comment
  UCR146664  Melica harfordii Beecher Crampton 1955-6-15 2884 Placer Sierra Nevada Mountains, Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road 518 Comment
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Oct 11 2010
  SACT001533  Melica stricta James Grove 1977-7-15 Placer 2000.0 Comment
  SEINET2470947  Melica stricta K. Christie 2010-7-8 1888 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73, just to the northeast of Painted Rock. 2255 Comment
  SEINET11262285  Melica torreyana George Helmkamp, E. A. Helmkamp 2012-5-5 18915 Placer Northern Sierra Nevada Mountain Foothills: Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, .3 air miles SE of Clementine Dam on the American River (Auburn 7.5').; 0 396 Comment
  SEINET7952650  Mentha X piperita J. Stubbs 1972-10-8 s.n. Placer 5 miles S of Auburn, beside spring along roadside. 518 Comment
  UCD150573  Mentzelia dispersa James A. Neilson Jr. 1970-6-17 1560 Placer Tahoe Basin, 2 mi. NE of Tahoe City. 1914 Comment
  POM153475  Mentzelia dispersa P. A. Munz 1928-6-25 14095 Placer Tahoe Camp, Lake Tahoe 2073 Comment
  CAS-BOT-BC428680  Micranthes bryophora F. Almeda 1993-7-24 7262 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2134 Comment
  SCFS1224  Micranthes californica E. Krimmel 2014-5-10 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  UCD102832  Micranthes californica G. L. Stebbins 1970-4-4 6990 Placer Shirttail Canyon, on road from Colfax to Forest Hill, ca. 1/2 mile east of crossing of North Fork American River. 457 Comment
  UCD22370  Micranthes nidifica Rex Palmer 1979-6-19 N 263 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC349332  Microseris nutans A. A. Heller 1919-7-26 13314 Placer Summit meadows west of Donner Pass 2072 Comment
  RSA636072  Microseris nutans Robert M. Rhode, Barbara Nemeth 1997-6-26 166 Placer Blackwood Creek Canyon (c. 4 miles south of Tahoe City), approx. 6300-6500 ft. Near Blackwood Creek Canyon Road, about 0.4 mile west of turnoff from Highway 89. 1921 Comment
  UCD75936  Microseris nutans Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5158 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. Sides of trail. 2124 Comment
  CHSC72881  Microsteris gracilis L. P. Janeway; Eric Schroder 1998-7-13 5752 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UCD82834  Mimulus Robin McMaster 1973-6-3 455 Placer 2 mi W Lake Spaulding. Comment
  UCD122182  Mimulus aurantiacus Eric Brenner; John Hunter 1996-5-26 7 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UC445119  Mimulus aurantiacus var. grandiflorus C. F. Sonne 1891-6-17 4268 Placer near Colfax (at Cape Horn) Comment
  UC943801  Mimulus aurantiacus var. grandiflorus H. E. McMinn 1945-10-20 5502 Placer 1 1/2 mi w Lake Spaulding (ca. 40 yds from Bear River Bridge, e end of Bear Flats) Comment
  UCD122322  Mimulus aurantiacus var. grandiflorus G. L. Stebbins Jr. 1952-6-22 5093 Placer 2 miles southeast of Colfax, north of bridge on road to Iowa Hill. 350 Comment
  CDA19559  Mimulus bicolor M. I. Wibawa, G. F. Hrusa (16049), J. Glazner 2002-5-22 219 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  POM5148  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 549 Comment
  UC163978  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 1800 Comment
  JEPS71712  Mimulus breweri Gladys L. Smith 1972-6-18 3157 b Placer below Scott Peak 2072 Comment
  UC193598  Mimulus douglasii Mrs. M. E. P. Ames 1885-1 6202 Placer Auburn Comment
  SCFS1200  Mimulus guttatus E. Krimmel 2014-6-26 Placer Rocky seep on sunny slope, above river below confluence with Serena Creek Comment
  UCD122640  Mimulus guttatus Eric Brenner; John Hunter 1996-5-26 21 Placer Tahoe National Forest Mosquito Ridge Road. 1080 Comment
  UCD162558  Mimulus guttatus Steve Matson 1998-6-11 275 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 70 yards east of Boundary Fence , along East Martis Creek. 1780 Comment
  UCD164616  Mimulus guttatus Brandi Sorensen 1995-5-12 13 Placer 3.5 kilometers northwest of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UCR208601  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14629 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  POM260455  Mimulus layneae C. L. Hitchcock 1940-5-15 6406 Placer 6 miles north of Colfax. 762 Comment
  CDA41697  Mimulus leptaleus S. E. Schoenig 1998-7-23 98 -78 Placer Pacific Crest Trail. 0.25 mile south of Old Donner Road. Tahoe National Forest. Comment
  UC1063155  Mimulus microphyllus C. R. Clar 1933-6-4 129 Placer near Newcastle; Sacramento Quadrangle Comment
  UC1563709  Mimulus microphyllus Barbara Ertter with David Thompson 1989-4-8 8148 Placer ca. 2 mi from I-80 (Iowa Creek Road, near entrance to Auburn State Recreation Area, at creek crossing) 518 Comment
  UCD43272  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 640 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43913  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-25 1279 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC82571  Mimulus moschatus Lowell Ahart 2002-7-22 9901 Placer About 40 yards northwest of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1774 Comment
  POM43477  Mimulus moschatus var. longiflorus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  JEPS9069  Mimulus nasutus Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, Juan Hunziker, Friedr. Ehrendorfer, et al. 1952-7-19 3857 Placer below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill road); North Fork of American River 381 Comment
  UCD75682  Mimulus primuloides Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5132 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, near underdeveloped road that crosses the creek. 2106 Comment
  UCD162601  Mimulus primuloides var. primuloides Steve Matson 2002-7-7 559 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; meadow edge north of new pond. 1908 Comment
  UCD162557  Mimulus suksdorfii Steve Matson 1998-6-6 227 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south side of Highway 267 50 meters east of Martis Creek. 1780 Comment
  UC103790  Mimulus tilingii C. F. Sonne 1895-8-1 Placer above Coldstream; Sierra Nevada Mts. 2438 Comment
  UCD44424  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1790 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS7869  Mimulus torreyi Rimo Bacigalupi with A. Hawkes, J. Hunziker, G. L. Stebbins, D. Zohary, H. Stutz, F. Ehrendorfer 1952-7-19 3862 Placer about 2 1/2 mi e Iowa Hill (near site of Monona Flat, ridge between Indian Creek and North Fork of American River) 990 Comment
  CDA12434  Mitella breweri G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8506 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi. SW of Tahoe City. Comment
  UC416728  Monardella odoratissima subsp. glauca Miss Helen D. Geis 1912-6 177 Placer Deer Park Comment
  CHSC67832  Monardella odoratissima subsp. pallida James D. Jokerst 1986-7-13 2712 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. 1859 Comment
  SBBG72004  Monardella odoratissima subsp. pallida M. N. Ackley -Jun-1925 460 Placer Shirttail Cyn, American River 762 Comment
  UC1124589  Monardella odoratissima subsp. pallida N. French 1934-6-22 459 Placer 1/2 mi west of Lake Van Norden; Truckee Quadrangle Comment
  SEINET10582105  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 274 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
  POM296671  Monardella odoratissima subsp. pinetorum L. S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1921 Comment
  JEPS30737  Montia chamissoi Miles Eaton 1945-6-13 30 Placer Big Meadows 1615 Comment
  UC851964  Montia chamissoi Marcus E. Jones, A. M. 1882-5-28 2628 Placer Emigrant Gap Comment
  RSA129351  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer 2 miles southwest of Martis Peak. 2287 Comment
  RSA619860  Muhlenbergia filiformis Fay A. MacFadden 1934-8-10 12852 Placer Cisco. Comment
  OBI20096  Muhlenbergia richardsonis David J. Keil 1978-7-23 12935 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UCD44698  Muhlenbergia richardsonis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2064 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD36121  Muhlenbergia rigens Beecher Crampton 1952-11-9 921 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UCR231006  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16801 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  RSA113797  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer Valley plain, Whitney Ranch, 6.8 miles N of Roseville Comment
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Dec 4 2013
  CHSC40023  Navarretia capillaris A. A. Heller 1927-8-15 14445 Placer Near the Yuba River, below Cisco, the type station. Comment
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Jul 21 2010
  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
  UC750582  Navarretia divaricata subsp. vividior Lewis S. Rose 1946-6-23 46201 Placer n of Cisco; Rainbow 1737 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
  SD61093  Navarretia filicaulis Darley F. Howe 1964-7-26 3870 Placer Auburn 366 Comment
  UC201039  Navarretia intertexta M. K. Curran May 1885 Placer Comment
  JEPS103313  Navarretia intertexta subsp. intertexta Lowell Ahart 2002-7-22 9895 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC126083  Navarretia intertexta subsp. propinqua Katharine Brandegee Jul 1908 Placer near Cape Horn Comment
  RSA470051  Navarretia leptalea Fay A. MacFadden 1934-7-26 s.n. Placer Foot of Red Mountain Comment
  UC1123763  Navarretia leptalea subsp. bicolor B. Bolt 1934-7-12 112 Placer Devil's Peak Tahoe National Forest, Truckee Quad. 2042 Comment
  UCD75945  Navarretia leptalea subsp. bicolor Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5186 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  UC572518  Navarretia leptalea subsp. leptalea N. French 1934-6-22 468 Placer Serena Lake Tahoe National Forest, Truckee Quad. 2407 Comment
  UC880051  Navarretia leptalea subsp. leptalea Lewis S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  OBI48914  Navarretia leptalea subsp. leptalea L. S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  SEINET14151954  Navarretia leucocephala subsp. leucocephala B. Crampton 1953-5-26 1334 Placer 2 mi N of Lincoln, Sunnybrook Farm (Francheschi) Comment
  JEPS127513  Navarretia leucocephala subsp. minima Steve Matson 1998-6-21 820 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  UC106895  Navarretia linearifolia subsp. linearifolia C. F. Sonne Sept., 1895 Placer road to Hot Springs Lake Tahoe; Sierra Nevada Mountains, rd to Hot Springs Lake Tahoe Comment
  CDA40115  Navarretia pubescens D. J. Mitani 1974-6-5 s.n. Placer Near Auburn. 0 Comment
  RSA91880  Navarretia tagetina Beecher Crampton 1953-5-14 1274 Placer 3 miles north of Roseville, Hwy 99E. Comment
  UC112909  Nemacladus capillaris Katharine Brandegee 1908-7-18 Placer Cape Horn Comment
  UCR253529  Nemophila heterophylla George K. Helmkamp, Amy Barnes 2014-4-23 22793 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
  UCD119576  Nemophila maculata Barbara L. Hanson 1961-3-30 20 Placer Lee Mine Road, 4 miles east of Sacramento -- Roseville -- Auburn freeway. Comment
  SEINET5521022  Nemophila menziesii J. Ridley 1959-3-29 5 Placer 2 miles north of Roseville. In open field 1 miles east of highway 99 49 Comment
  UC1021938  Nemophila menziesii Rolf Y. Berg 1954-4-15 Placer Auburn-Folsom Road eight mi s Auburn; s of Auburn Comment
  SEINET5536436  Nemophila spatulata L. R. Miller 1936-5-19 s.n. Placer Above Zephyr Cove, Lake Tahoe Comment
  CAS-BOT-BC231506  Nicotiana G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  UCD110207  Notholithocarpus densiflorus G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrendorfer, J. Hunziker, et al. 1952-7-20 5135 Placer 5 miles northeast of Forest Hill, on road to Iowa Hill. 914 Comment
  JEPS46463  Nuphar lutea subsp. polysepala Mr. R. P. Sherman Placer Crystal Harbor Lake Tahoe Comment
  JEPS71554  Oreostemma alpigenum var. andersonii Gladys L. Smith 1972-8-25 3430 Placer meadow below cirque, north face Granite Chief Granite Chief 2575 Comment
  UCD42920  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 288 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43229  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 598 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44611  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1977 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC500307  Orobanche uniflora subsp. occidentalis C. F. Sonne 1884-8-24 281 Placer Sierra Nevada Mountains: Rocks above Coldstream Comment
  JEPS73652  Orobanche uniflora subsp. occidentalis L. R. Heckard with G. L. Stebbins 1973-6-17 3440 Placer East face of Big Valley Bluff, about 7 air miles southeast of Emigrant Gap. Comment
  UC634780  Orogenia fusiformis H. L. Mason 1933-5-28 7237 Placer Lower Truckee R. Meadows Comment
  UC103150  Orthocarpus cuspidatus subsp. cryptanthus C. F. Sonne June 1887 Placer road to Lake Tahoe; Sierra Nevada Mountains, road to Lake Tahoe Comment
  UCD21898  Orthocarpus cuspidatus subsp. cryptanthus Beth Lowe Corbin 1982-8-4 241 Placer 1 1/2 mile north of Onion Creek campground. 2255 Comment
  UCD21899  Orthocarpus cuspidatus subsp. cryptanthus Rex Palmer 1979-7-25 N 672 Placer Headwaters basin area of the North Fork of the American River Comment
  POM286516  Orthocarpus hispidus Lyman D. Benson 1932-7-31 4021 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  POM44253  Orthocarpus lacerus Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  RSA407999  Orthocarpus pusillus Fay A. MacFadden 1934-3-31 12460 Placer Dutch Flat Comment
  SACT001623  Oryza sativa Josephine Van Ess 1973-9-3 Placer Collected at Nicolaus road 5 miles w of Lincoln. Escape from cult. 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
  JEPS14029  Osmorhiza berteroi Rimo Bacigalupi with G. L. Stebbins, J. Hunziker, F. Ehrendorfer, A. Hawkes, D. Zohary & H. Stutz 1952-7-19 3864 Placer ridge between Indian Creek and North Fork American River (near site of Monona Flat, about 2 1/2 mi e of Iowa Hill) 990 Comment
  JEPS102508  Panicum capillare Lowell Ahart 2001-10-10 9342 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 a 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1591 Comment
  SACT001644  Panicum pacificum Michael Baad 1983-6-27 Placer 4 miles east southeast of Forest Hill 365.0 Comment
  CDA7109  Parentucellia viscosa L. P. Janeway 2006-5-1 8593 Placer Sacramento Valley; Northeast side of Highway 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. Comment
  UC170098  Parnassia fimbriata Miss Helen D. Geis 1912-6 203 Placer Crags, Deer Park Deer Park; Crags, Deer Park Comment
  POM264538  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mi north of Lincoln Comment
  CDA32599  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln, irrigation ditch. 0 Comment
  RSA0030825  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln. Comment
  UCR259877  Paspalum urvillei George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22466 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
  JEPS59356  Pedicularis attollens Ezra Brainerd and Viola B. Baird 1915-7-7 101 Placer Squaw Valley; Sierra Nevada Mountains 1981 Comment
  UCD18261  Pedicularis attollens E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 473 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  UCD21901  Pedicularis attollens Beth Lowe Corbin 1982-8-11 312 Placer 1 1/2 mile WSW of Onion Creek campground. 1935 Comment
  POM308680  Pedicularis attollens Betty J. Jorgensen 1944-7-23 528 Placer Near Soda Springs. Comment
  UC103240  Pedicularis groenlandica C. F. Sonne July 1892 Placer Mountains above Baldstream; Sierra Nevada Mountains Comment
  SEINET13751978  Pedicularis racemosa H. A. Walker 1908-7-29 1502 Placer Cisco 1829 Comment
  JEPS73663  Pedicularis semibarbata L. R. Heckard with G. L. Stebbins 1973-6-17 3452 Placer about 7 air mi se of Emigrant Pass (Summit of Big Valley Bluff); Big Valley Bluff 1935 Comment
  UC373264  Pedicularis semibarbata Marcus E. Jones, A. M. Jun 1882 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  UCR242368  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16677 Placer Northern Sierra Nevada Mountains, Robinson Flat campground near the junction of Forest Hill Road and Soda Springs Road, 27 miles northwest of the city of Foresthill 2040 Comment
  RSA686808  Pellaea brachyptera May N. Ackley 1925-06 77 Placer Near Emigrant Gap 1677 Comment
  SEINET4536349 Image available Pellaea brachyptera Marcus E. Jones 1882-1 3275 Placer Emigrant Gap Comment
  SCFS1163  Penstemon E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. In roadside area at Chickering Meadow. Comment
  SEINET178786 Image available Penstemon azureus Marcus E. Jones 1982-7-3 3437 Placer Colfax Comment
  NY571130  Penstemon azureus var. angustissimus M. E. Jones 1882-7-3 3437 Placer Colfax Comment
  NY571168  Penstemon azureus var. azureus C. F. Sonne 1886-7-5 s.n. Placer Summit Station; Sierra Nevada Mountains Comment
  UC886813  Penstemon azureus var. azureus Lewis S. Rose 1938-9-14 38261 Placer South Fork of Yuba River, Cisco 1615 Comment
  UCR257734  Penstemon azureus var. azureus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19516 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  RSA437416  Penstemon deustus Robert F. Thorne, J. Chandler 1987-6-26 5422 Placer CA Hwy 267, 3.2 mi S of Brockway Summit. Comment
  CAS-BOT-BC264481  Penstemon heterodoxus var. heterodoxus Peter Rubtzoff 1976-9-19 8866 Placer Meadow adjacent to the E end of Lake Van Norden 2063 Comment
  CAS-BOT-BC264485  Penstemon heterodoxus var. heterodoxus A. A. Heller 1917-8-13 12921 Placer Ridge NW of Donner Pass 2377 Comment
  RSA78006  Penstemon heterophyllus subsp. purdyi Verne Grant, Alva Grant 1947-05 7971 Placer Weimar. 671 Comment
  NY601764  Penstemon heterophyllus var. purdyi A. A. Heller 1917-6-19 12748 Placer 5 miles west of Colfax Comment
  UCR215983  Penstemon laetus subsp. leptosepalus George K. Helmkamp, Amy Barnes 2009-7-12 15181 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  POM114616  Penstemon laetus var. laetus Ralph Hoffmann 1927-7-17 s.n. Placer Pinos. 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
  UCR233462  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18190 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  UCD75952  Penstemon newberryi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5193 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail. 2161 Comment
  POM44112  Penstemon newberryi subsp. newberryi Marcus E. Jones 1982-6-28 s.n. Placer Emigrant Gap. Comment
  NY627344  Penstemon newberryi var. newberryi A. A. Heller 1917-6-18 12710 Placer Along the Yuba River below Cisco 1645.9 Comment
  UC27479  Penstemon newberryi var. newberryi C. J. Fox Jr. July 1893-July 1895 Placer near Squaw Peak; near Squaw Peak Comment
  CHSC91784  Penstemon roezlii G. F. Hrusa; J. Glazner 2000-7-1 15622 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. 1844 Comment
  UC27498  Penstemon roezlii C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  POM98174  Penstemon roezlii E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
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Jan 1 2016
  CAS-BOT-BC239579  Penstemon rydbergii var. oreocharis Leland S. Smith 1928-6-9 2317 Placer Squaw Valley Comment
  CDA15986  Penstemon rydbergii var. oreocharis G. F. Hrusa, J. Glazner 1999-7-17 15166 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74279  Penstemon rydbergii var. oreocharis Susi Urie 1998-8-27 98 -119 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  HSC35691  Penstemon rydbergii var. oreocharis Thomas W. Nelson 1974-6-17 1374 Placer Dollar Point overlooking Lake Tahoe, N of Tahoe City 1585 Comment
  RSA671810  Penstemon rydbergii var. oreocharis M. V. Hood 1939-7-4 s.n. Placer Upper Soda Springs. Comment
  SCFS2387  Penstemon rydbergii var. oreocharis L. Hooker 1956-6-27 20 Placer Ca 3.7 mi past Montreal Rd on Hwy 89 S, in mdw to left of rd. 1829 Comment
  UC696719  Penstemon rydbergii var. oreocharis L. S. Smith 1928-6-9 2307 Placer Squaw Valley Tahoe National Forest, Squaw Valley 1828 Comment
  UCD162579  Penstemon rydbergii var. oreocharis Steve Matson 2003-6-22 811 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork south of bog. 1920 Comment
  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
  UC27447  Penstemon speciosus C. J. Fox Jr. July, 1895 Placer near Squaw Peak; near Squaw Peak Comment
  NY661013  Penstemon speciosus L. D. Benson 1932-7-31 4018 Placer 2 miles N Tahoe Tavern. Truckee River Watershed. Sierra Nevada Mountain Range. 1889.8 Comment
  POM283518  Penstemon speciosus Lyman D. Benson 1932-7-31 4018 Placer 2 mi N Tahoe Tavern. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  POM283523  Penstemon speciosus Lyman D. Benson 1932-7-31 4026 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  UCD21671  Perideridia bolanderi Beth Lowe Corbin 1982-8-4 221 Placer 1/4 mile NW of Onion Creek campground. Flowers whitish cream. Bulb about 3-4 inches below ground. In rocky, fine, sandy soil. Full sun. SW facing slope, 15% incline. Locally abundant. 1950 Comment
  UCSB32267  Perideridia bolanderi Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CHSC73911  Perideridia lemmonii Susi Urie 1998-8-26 98 -104 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 30 W']. 2121 Comment
  CAS-BOT-BC418935  Persicaria lapathifolia E. R. Blakley 1960-9-3 3818 Placer King's Beach, Lake Tahoe 1903 Comment
  UCD98376  Petrorhagia dubia M. D. Clegg 1963-5-4 27 Placer Folsom Reservoir, 2 miles north of Folsom, southeast corner of county. 60 Comment
  UCR208579  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2009-5-7 14621 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  CDA37229  Petrorhagia prolifera CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD120499  Phacelia hastata subsp. compacta Tamara Kan 1992-6-17 s.n. Placer Near ridge on east slope of Silver Peak. 2499 Comment
  JEPS127468  Phacelia hastata subsp. hastata Steve Matson 2003-7-4 822 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 50 meters north of Highway 267; 600 meters west of Martis Creek. Comment
  UCR200861  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2008-9-15 14105 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UCR240916  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19241 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  JEPS59365  Phacelia humilis Ezra Brainerd and Viola B. Baird 1915-7-25 114 Placer trail to Garden of the Gods Sierra Nevada Mts., Deer Park Valley 2011 Comment
  SEINET5520644  Phacelia humilis H. A. Walker 1910-6-13 2030 Placer Sierra Nevada, near Deer Park, Tahoe District 1970 Comment
  CDA12381  Phacelia hydrophylloides G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8509 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  UC373197  Phacelia marcescens Marcus E. Jones, A. M. 1882-6-27 3294 Placer Emigrant Gap Comment
  UC909967  Phacelia mutabilis A. A. Heller 12890 Placer Summit Station 2121 Comment
  CHSC89293  Phacelia racemosa G. F. Hrusa; J. Glazner 2000-9-3 15676 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. On old sky run edge. UTM: 10S, 4354752 N, 0728157 E. 2164 Comment
  RSA0047364  Phacelia racemosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19239 Placer Foresthill Road, 9.2 miles east of its junction with Devil s Thumb Road 2055 Comment
  UCR233399  Phacelia racemosa George K. Helmkamp, E. A. Helmkamp 2011-8-26 18174 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  UC163979  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer type locality Cisco 1804 Comment
  CHSC40966  Phacelia stebbinsii J. D. Jokerst 1984-6-23 2069 Placer Rocky spur ridge adjacent to and south of Big Mosquito Cr. Large population on metamorphic bedrock outcrops and associated talus. 1158 Comment
  UCD120686  Phacelia stebbinsii G. L. Stebbins 1977-7-1 7732 Placer Above Middle Fork, American River, near Last Chance. 1341 Comment
  UCD120688  Phacelia stebbinsii G. L. Stebbins 1977-7-9 7762 Placer Along trail from McKinistry Lake to Hell Hole Reservoir. 1706 Comment
  CHSC40967  Phacelia vallicola J. D. Jokerst 1984-6-19 2057 Placer North of Long Canyon Cr., E of Blacksmith Flat. 1127 Comment
  CDA38742  Phalaris arundinacea R. Robison 2011-8-19 Placer Tahoe City; Gatekeeper s Museum, adjacent to dam near Truckee River outflow. 0 Comment
  CAS-BOT-BC259075  Phalaris lemmonii L. R. Abrams 1935-4-20 13685 Placer Roseville Comment
  SACT001713  Phalaris minor D. Meyer 1983-5-15 Placer Moist roadside ditch next to a cultivated field. 19.812 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
  UC112846  Philadelphus lewisii Katharine Brandegee 1908-6-6 Placer N. Fork N. Fork <American River> (s side of Suspension Bridge, near Auburn) Comment
  UCD117279  Philadelphus lewisii G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10705 Placer Northern Sierra Nevada Mountains: 0.2 mile N of Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 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
  UC480746  Phlox diffusa W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Lake Tahoe Region Comment
  UC23908  Phlox diffusa A. M. Carpenter 1893-8 Placer 2286 Comment
  RSA794813  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2011-8-26 18173 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UCR222896  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2010-4-17 15902 Placer Sierra Nevada Mountains Foothills, along CA-49, 2.5 miles southeast of Pilot Hill 271 Comment
  UC856742  Phoenicaulis cheiranthoides Alice Eastwood Jun 15 1912-Jun 19 1912 367 Placer Lake Tahoe Region, Deer Park Deer Park; Lake Tahoe Region, Deer Park Comment
  UCD22380  Phoenicaulis cheiranthoides Beth Lowe Corbin 1982-8-10 305 Placer 1 3/4 mile NW of Onion Creek Campground. SE facing slope, 40% incline. Locally common. Full sun. Open, rocky talus slope, above white fir forest. 2133 Comment
  CAS-BOT-BC135092  Phoradendron juniperinum Ira L. Wiggins 1930-10-12 5084 Placer near Cisco 1981 Comment
  CDA39028  Phoradendron juniperinum D. G. Kelch 2011-10-3 11 .827 Placer Tahoe City. Granlibakken Resort. Comment
  SD254674  Phytolacca americana George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20090 Placer Sacramento Valley: South Dowd Road, 0.1 mile south of its juncion with Moore Road, SW of Lincoln (Pleasant Grove 7.5'Q) 34 Comment
  UCR253807  Picris echioides George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20092 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  CAS-BOT-BC76935  Pilularia americana John Thomas Howell; Gordon H. True 1972-3-17 7077 Placer Northern outskirts of Lincoln. 48 Comment
  UCR171397  Pinus contorta subsp. murrayana George K. Helmkamp, E. A. Helmkamp 2005-10-1 9976 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  RSA0116435  Pinus contorta var. murrayana Lyman Benson 1932-7-31 4017 Placer Donner Lake, Truckee River Watershed, Sierra Nevada. 1890 Comment
  UCD23233  Pinus lambertiana Beth Lowe Corbin 1982-8-20 394 Placer 1 mile northwest of Onion Creek campground. 2072 Comment
  CAS-BOT-BC78931  Pinus monticola John H. Thomas; Hazelle A. Thomas 1956-7-21 6153 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  RSA0078054  Pinus monticola E. R. Blakley 1960-8-29 3792 Placer Carnelian Bay, Lake Tahoe. 1950 Comment
  CAS-BOT-BC72886  Pinus ponderosa Saichi Kawahara 1969-5-25 1023 Placer Ridge east of old cabin, Mel Henderson Ranch, Indian Creek. 1036 Comment
  SEINET3875087  Pinus sabiniana James K. Detling 1963-4-10 48 Placer 1 mile from Auburn on Highway 49.; 0 381 Comment
  CAS-BOT-BC136548  Piperia colemanii Alice Eastwood 1909-1-1 221 Placer Field redacted by CAS, contact the data manager for more information Comment
  POM260091  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer 1 mile west of Baxter Comment
  UC882301  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer ca 1 mi w Baxter Comment
  UC726333  Plagiobothrys greenei A. A. Heller 1940-4-20 15538 Placer along U.S. Highway #99E near Whitney Station s Lincoln Comment
  CAS-BOT-BC230952  Plagiobothrys hispidulus A. A. Heller 1917-8-12 12877 Placer Southern Pacific reservoir W of Emigrant Gap, the flat about the pond Comment
  CAS-BOT-BC230954  Plagiobothrys hispidulus Geo. B. Grant 1906-8-1 6932 Placer About Lake Tahoe Comment
  CHSC73035  Plagiobothrys hispidulus L. P. Janeway 1998-8-6 5965 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
  UCD44451  Plagiobothrys hispidulus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1817 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA36908  Plagiobothrys nothofulvus CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  CHSC114671  Plagiobothrys nothofulvus CDFA Staff 1998-4-22 Placer Dry Creek. Comment
  UCR253123  Plagiobothrys nothofulvus George K. Helmkamp, Amy Barnes 2014-4-23 22820 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
  SDSU5444  Plagiobothrys nothofulvus unknown 1948-5-20 1839 Placer 457 Comment
  SBBG28851  Plagiobothrys stipitatus var. micranthus L. Constance 1941-5-28 2822 Placer 2 mi N of Lincoln 60 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
  UCR47818  Plagiobothrys stipitatus var. micranthus C. B. Wolf 1937-5-12 08622 Placer Sacramento Valley, 1 mi north of Lincoln 46 Comment
  POM226878  Plagiobothrys trachycarpus L. R. Abrams 1935-1 13658 Placer Roseville. Comment
  SD240933  Plagiobothrys undulatus George K Helmkamp, E. A. Helmkamp 2011-5-12 17255 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 miles east of Fiddyment Road, 0.6 mile west of Industrual Ave. (Roseville 7.5'Q) 41 Comment
  UCR207869  Plantago erecta George K. Helmkamp, E. A. Helmkamp 2009-4-22 14577 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  CDA36964  Plantago lanceolata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS126264  Plantago lanceolata Steve Matson 1997-8-1 69 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; near Highway 28 in main meadow. Comment
  UCR249536  Plantago lanceolata George K. Helmkamp, Amy Barnes 2013-3-28 20295 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCD138953  Platanthera dilatata var. leucostachys Beecher Crampton 1972-6-20 8824 Placer upslope from Bear valley, State Highway 20 East. 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
  POM196060  Platanthera leucostachys G. W. Fetters 1929-7-10 s.n. Placer Near Pomins [Tahoe Hot Tubs], Lake Tahoe Comment
  SEINET5340048  Platystemon californicus J. Ridley 1959-3-29 3 Placer 2 miles north of Roseville in open field one mile east of Hwy 99. 49 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
  CAS-BOT-BC516756  Plectritis macrocera George K. Helmkamp; Mary Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains foothills: Yankee Jim Road, 0.9 mi E of its jct with Canyon Way, 4.4 mi SE (167 deg. ) of Colfax 561 Comment
  UCR198054  Plectritis macrocera R. B. Kelley 1985-5-12 186 Placer Stevens Trail, at end of North Canyon Road, near Colfax 634 Comment
  UC557890  Pleuricospora fimbriolata C. F. Sonne Aug., 1896 Placer above Martis Valley (Sierra Nevada Mountains); Sierra Nevada Mountains 2133 Comment
  UCD160962  Poa G. Ledyard Stebbins 1978-5-29 78105 Placer Above Rubicon (River?). [Probably in vicinity of Ralston Ridge based on other collections made on this date.] Comment
  SACT001785  Poa annua Josephine Van Ess 1976-3-15 Placer Collected just west of Barton Road. Edge of orchard. 103.7 Comment
  UCD36144  Poa annua Beecher Crampton 1953-2-11 971 Placer Placer County, 2 miles north of Lincoln, on road to Sunnybrook Farm Hereford Ranch. Comment
  UCR249608  Poa annua George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20836 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  CAS-BOT-BC254757  Poa bolanderi John Thomas Howell 1943-7-21 18643 Placer Donner Pass to Mount Lincoln Comment
  CAS-BOT-BC254760  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer Along the Yuba River below Cisco 1676 Comment
  SACT001806  Poa bolanderi D. Meyer 1983-10-22 Placer Searchlight ski run from base to Olympic Lady chairlift. 2121.0 Comment
  UC820684  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer base of cliff n of Summit Hotel 2164 Comment
  UCD74217  Poa bolanderi Jennifer W. Burt; Sarah Shannon 2005-7-8 157 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  UCR266714  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer Sierra Nevada Mtns., north of Summit hotel 2165 Comment
  UCD90629  Poa bulbosa Beecher Crampton 1967-7-26 8159 Placer 1.5 miles W of Weimar, near Heather Glen, Interstate Hwy. 80 W. 579 Comment
  UCD90682  Poa bulbosa Walter H. Johnson 1961-4-4 s.n. Placer 3 miles E of Lincoln. Comment
  UCR208266  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14647 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  UCD90843  Poa compressa Beecher Crampton 1955-7-13 3014 Placer Bear Valley, along State Hwy. 20, 1.5 miles north of Emigrant Gap. Placer-Nevada County border. 1371 Comment
  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
  SACT001872  Poa nervosa D. Meyer 1984-7-15 Placer 4.8 km southeast of Serene Lake Lodge, rocky outcrop at side of road. 1909.0 Comment
  SACT001869  Poa nevadensis D. Meyer 1983-6-16 Placer 1624.0 Comment
  SACT001878  Poa nevadensis Michael Baad 1976-6-10 Placer 1.5 miles from French Meadows on trail to Robinson Flat, heavily forested zone with opening, white and red fir with incense cedar. 1612.0 Comment
  SACT001879  Poa nevadensis D. Meyer 1983-8-7 Placer Southeast of county line on roadside. 1758.0 Comment
  CAS-BOT-BC247258  Poa palustris Beecher Crampton 1956-7-17 3727 Placer 3/4 mile west of Blue Canyon 1432 Comment
  SACT001891  Poa palustris D. Meyer 1984-7-21 Placer 5.1 km north of Tahoe City 1879.0 Comment
  CAS-BOT-BC247370  Poa pratensis W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  SACT001906  Poa pratensis Michael Baad 1983-7-10 Placer 6.1 miles by road south of Emigrant Gap townsite, open west meadow 1524.0 Comment
  SACT001925  Poa pratensis D. Meyer 1983-6-25 Placer 1418.0 Comment
  UCD43161  Poa pratensis subsp. pratensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 529 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43838  Poa pratensis subsp. pratensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1204 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SACT001969  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, Douglas Fir Forest and Huckleberry Oak at openings, north-facing slope. Comment
  SACT001972  Poa scabrella Michael Baad 1976-6-10 Placer Along creek near trail to Robinson Flat. 1737.0 Comment
  SACT001978  Poa scabrella Michael Baad 1983-5-5 Placer North Fork of American River, south side of river. 548.64 Comment
  SACT001979  Poa scabrella Michael Baad 1983-5-5 Placer Junction of Yankee Jim and Shirttail Canyon Road. 1.6 km south of North Fork of American River. Comment
  SACT002007  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002011  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  JEPS70662  Poa secunda subsp. secunda Leland S. Smith 1925-6-27 1652 Placer Balckwood Canyon, also Ward Creek Balckwood Canyon; Tahoe Forest 1920 Comment
  JEPS75185  Poa secunda subsp. secunda Gladys L. Smith 1972-6-20 3243 -A Placer summit ridge Ward Peak 2621 Comment
  UCD91623  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Along the Lincoln Highway about a mile above Emigrant Gap. Comment
  CAS-BOT-BC244154  Poa sierrae C. L. Hitchcock 1940-5-7 6341 Placer Ca 1 mile W of Baxter Comment
  CAS-BOT-BC244281  Podagrostis humilis Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  UC1004177  Pogogyne zizyphoroides Lewis S. Rose and W. A Weber 1953-5-19 8392 Placer 5 miles N of Roseville on road to Lincoln 48 Comment
  UCD162526  Polemonium micranthum Steve Matson 2009-5-9 2204 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, north of Martis Creek; just west of parking lot near creek 1780 Comment
  UCD43942  Polemonium occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1308 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS69879  Polemonium occidentale Alice M. Ottley 1920-7-14 1207 Placer near fish hatchery that is near Cascade Lake Cascade Lake (Lake Tahoe); , near Cascade Lake Comment
  CAS-BOT-BC231287  Polemonium pulcherrimum Sherman Chickering 1974-1-1 s.n. Placer On the crest of the Sierra above Soda Springs Comment
  CAS-BOT-BC231303  Polemonium pulcherrimum M. S. Jussel 1928-7-22 s.n. Placer Miller's Lake, Lake Tahoe region Comment
  RSA460149  Polygala cornuta var. cornuta Wm. Martin 1971-9-10 20257 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  UC1130351  Polygala cornuta var. cornuta N. French 1934-6-15 410 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UC615110  Polygala cornuta var. cornuta Beryl O. Schreiber 1933-7-19 869 Placer 15 mi above Colfax Comment
  RSA0106330  Polygonum amphibium Lyman Benson 1947-8-12 12792 Placer Tahoe City, Lake Tahoe (Aquatic). Mt. Range: Sierra Nevada. 1889 Comment
  POM104622  Polygonum bistortoides Marcus E. Jones 1903-6-28 s.n. Placer Emigrant Gap Comment
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Sep 7 2010
  POM165211  Polygonum californicum L. R. Abrams 1917-9-14 6754 Placer Betw Roseville and Peuryn Comment
  POM192998  Polygonum californicum H. P. Bracelin s.n. Placer 5 miles N of Placerville, Placer County. On road to Colonia Comment
  UC849191  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer plains near Sheridan 38 Comment
  JEPS111302  Polygonum davisiae Steve Matson 2005-7-30 1419 Placer Squaw Valley ski area, 1 km WSW of High Camp (top of tramway): 39.1937 N, 120.2647 W; elevation 8,100 ft. 2468 Comment
  RSA35123  Polygonum douglasii L. S. Rose 1944-7-22 44214 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  JEPS103426  Polygonum douglasii subsp. douglasii Lowell Ahart 2002-7-22 9897 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC849976  Polygonum douglasii subsp. douglasii A. A. Heller 1916-8-13 12910 Placer Summit hotel 2133 Comment
  JEPS51264  Polygonum douglasii subsp. spergulariiforme C. F. Sonne 1886-7-11 290 Placer Martis Creek Valley Comment
  UCR253808  Polygonum persicaria George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20107 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  UCD42814  Polygonum polygaloides subsp. confertiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 180 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC1191257  Polygonum punctatum Malcolm A. Nobs and S. Galen Smith 1949-8-22 1540 Placer Roseville; stream at sw city limits Comment
  UCR253501  Polygonum punctatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20091 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  CAS-BOT-BC109257  Polygonum shastense John Thomas Howell 1943-7-21 18663 Placer Donner Pass to Mount Lincoln. Comment
  UCR235593  Polypodium hesperium George K. Helmkamp, E. A. Helmkamp 2012-5-5 18924 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
  SACT002039  Polypogon monspeliensis Josephine Van Ess 1976-8-18 Placer Collected on Ferriera Ranch just east of LIncoln on Highway 193. Edge ofsalt spring area. Comment
  CAS-BOT-BC76757  Polystichum imbricans subsp. imbricans Fay A. Mac Fadden 1933-7-11 10946 Placer Canyon Creek, Monte Sita Inn Comment
  SD58160  Polystichum imbricans subsp. imbricans Matt Herbrand 1917-12-20 Placer 1525 Comment
  JEPS73134  Polystichum lonchitis Gladys L. Smith and Betsy Wilson 1972-8-25 3438 b Placer n-facing slope Granite Chief (off trail and starting descent of glacial stairsteps); Sierra Nevada 2560 Comment
  RSA3403  Populus balsamifera subsp. trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
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Aug 27 2010
  SBBG117235  Populus tremuloides B. Crampton 1961-9-27 6002 Placer US Hwy 40, 1 mi W of Cisco Grove, Yuba River Comment
  UCD43048  Populus tremuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 417 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC104250  Populus trichocarpa C. B. Wolf 1931-9-11 1298 Placer Near creek, 7 miles below summit of Donner Pass, west slope of Sierra Nevada 1828 Comment
  CAS-BOT-BC105579  Populus trichocarpa M. E. Parsons 1909-1-1 s.n. Placer Lake Tahoe Region Comment
  OBI20169  Populus trichocarpa David J. Keil 1978-7-23 12934 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UC128220  Populus trichocarpa Miss Harriet A. Walker 1908-7-25 1394 Placer Cisco near Yuba River (near Yuba River) 1798 Comment
  CAS-BOT-BC452174  Potamogeton gramineus Lyman Benson 1932-7-31 4020 Placer Tahoe Tavern, Sierra Nevada, Lake Tahoe 1889 Comment
  JEPS44441  Potentilla flabellifolia C. F. Sonne 1888-7-29 78 Placer head of Bear Creek on Truckee River Sierra Nevada Mountains, Truckee River, head of Bear Creek Comment
  SD247495  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, Elizabeth Helmkamp 2012-6-19 19238 Placer Northern Sierra Nevada Mountains: Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road (Duncan Peak 7.5'Q) 2054 Comment
  UCR194962  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12005 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR120246  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5042 A Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR233274  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp 2011-7-9 17675 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  UCR241737  Potentilla glandulosa subsp. reflexa George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19806 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
  CDA15923  Potentilla gracilis G. F. Hrusa, J. Glazner 1999-7-17 15174 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. U 1889 Comment
  CHSC85747  Potentilla gracilis G. F. Hrusa; J. Glazner 1999-7-17 15174 Placer Martis Valley. Off Hwy 267, S of Truckee. Lower part of drainage. 1889 Comment
  CHSC74256  Potentilla gracilis var. fastigiata Susi Urie 1998-9-3 98 -231 Placer Lake Tahoe Basin. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  JEPS127447  Potentilla gracilis var. fastigiata Steve Matson 1997-7-19 120 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  RSA258879  Potentilla gracilis var. fastigiata Thomas W. Nelson, James Nelson 1974-6-17 1375 Placer Dollar point overlooking Lake Tahoe N of Tahoe City. 1585 Comment
  JEPS126258  Primula jeffreyi Steve Matson 2002-5-26 525 Placer North Shore; Tahoe Vista; Snow Creek Watershed. Comment
  SD3658  Primula suffrutescens C. F. Sonne 1897-8-14 Placer E slope Mt. Anderson Comment
  UC197214  Primula suffrutescens C. F. Sonne 1897-8-14 Placer e slope Mt. Anderson; Sierra Nevada, e slope Mt. Anderson 2438 Comment
  POM145298  Prunella vulgaris var. lanceolata J. B. Feudge 1927-7-18 1842 Placer Bog W. of Emigrant GAp 1524 Comment
  RSA0093562  Prunella vulgaris var. lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22418 Placer Sierra Nevada Mountains Foothills. Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road. 651 Comment
  CAS-BOT-BC159732  Prunus andersonii Elizabeth Parsons Hawver 1911-8-20 s.n. Placer Lakeside, Lake Tahoe Region Comment
  CAS-BOT-BC163052  Prunus emarginata L. R. Abrams 1917-9-16 6763 Placer Emigrant Gap Comment
  CHSC79356  Prunus emarginata Beecher Crampton 1975-9-9 9270 Placer Tahoe National Forest, 1.2 miles N. E. of Blue Canyon post office. 1524 Comment
  UC1128301  Prunus emarginata N. French 1934-5-31 388 Placer 1/2 mi e of Texas Hill (Tahoe National Forest); Tahoe National Forest 1584 Comment
  UC1128311  Prunus emarginata N. French 1933-9-14 100 Placer Tahoe National Forest, Greek Store Greek Store; Tahoe National Forest, Greek Store 1676 Comment
  UCD22281  Prunus emarginata Rex Palmer 1979-5-26 N 13 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD34019  Prunus emarginata Beecher Crampton 1975-9-9 9270 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  UCD38503  Prunus emarginata Beecher Crampton 1955-7-13 3008 Placer Blue canyon. 1432 Comment
  UCR120252  Prunus emarginata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5041 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR209727  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15433 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
  UCR39504  Prunus emarginata George Oldfield 1985-8-12 5100 Placer Sierra Nevada Mtns., Along I-80 near Blue Canyon, c. 30 to 35 miles NE of Auburn 1555 Comment
  CAS-BOT-BC154644  Prunus subcordata W. R. Dudley 1909-8-1 s.n. Placer Vicinity Dutch Flat Comment
  CAS-BOT-BC357340  Pseudognaphalium microcephalum W. R. Dudley 1909-8-16 s.n. Placer Monte Vista Comment
  CHSC81760  Pseudognaphalium stramineum Lowell Ahart 2001-10-10 9341 Placer French Meadows Reservoir, near the boat of 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
  UCR208594  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2009-5-11 14659 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  JEPS18159  Psilocarphus oregonus Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-20 5630 Placer along Antelope-Roseville road, at Sacramento-Placer County line 42 Comment
  UCD136172  Pteridium aquilinum var. pubescens W. R. Russell 1958-9-8 s.n. Placer Along U.S. Highway 40, ca. 1 mile east of Baxter. 1219 Comment
  UCR231829  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16769 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 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
  POM82025  Pteryxia terebinthina Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  JEPS18609  Purshia tridentata var. tridentata W. L. Jepson 1931-6-16 15928 Placer Tahoe Vista; Lake Tahoe Comment
  SBBG10604  Pyrola asarifolia E. R. Blakley 1960-9-4 3824 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  SEINET7257196  Pyrola minor S. Emerson 1982-9-18 s.n. Placer Forest Hills, Mosquito Ridge Road 518 Comment
  JEPS126342  Pyrola picta Steve Matson 1998-7-28 350 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; above West Fork of Snow Creek. Comment
  UCD21487  Quercus Rex Palmer 1979-5-26 N 7 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  JEPS89059  Quercus X chasei Dr. J. C. Hawver 1909-3-5 Placer Auburn, ne corner of town Auburn Comment
  SACT002693  Quercus X morehus J. Jorgenson 1959-8-13 Placer Comment
  JEPS46635  Quercus chrysolepis H. L. Mason Oct 1932 Placer 3 mi above Colfax Comment
  SACT002610  Quercus chrysolepis Josephine Van Ess 1977-11-4 Placer Below Gautier Bridge 365.8 Comment
  SACT002617  Quercus chrysolepis Michael Baad 1977-6-8 Placer Ridge northeast of crater center 1570.6 Comment
  NY8503  Quercus chrysolepis J. C. Frémont 1845-12-5 s.n. Placer Sierra Nevada Comment
  RSA638891  Quercus douglasii Phyllis Adams 1982-5-9 37 Placer Along Old Foresthill Road, in the American River Canyon 457 Comment
  SD113994  Quercus douglasii Darley F. Howe 1960-9-18 2974 Placer 4 miles north of Auburn 518 Comment
  UC173922  Quercus douglasii A. Eastwood 1894-9-9 Placer Newcastle Comment
  CDA16973  Quercus durata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16026 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SACT002138  Quercus kelloggii Michael Baad 1977-6-2 Placer Descending to North Fork American River from south, 2 km Northeast of Westville and 2 km North of Forest Hill Divide Road 853.0 Comment
  SACT002143  Quercus kelloggii Josephine Van Ess 1976-9-15 Placer collected about 0.5 miles below dam, ravine bank 48.8 Comment
  SEINET10431542  Quercus kelloggii W. D. Billings 1940-5-18 s.n. Placer Gold Run. Comment
  SEINET10431778  Quercus kelloggii J. Solaegui 1977-3-19 s.n. Placer 1 mile S of Auburn along Hwy 49. 427 Comment
  CAS-BOT-BC62885  Quercus lobata Miss. A. Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  CHSC20422  Quercus vacciniifolia L. M. Mayer; D. E. Brink 1974-8-15 Placer Kidd Lake. Comment
  UCD47482  Quercus vacciniifolia G. T. Nordstrom 1934-6-18 104 Placer 1/4 mile southeast top of Texas Hill. 1615 Comment
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Aug 12 2008
  RSA0127039  Quercus wislizeni Tom Scott, Gary Nakamura 2009-02 2009 -015 Placer Sierra Nevada Mtns. Foothills: Auburn, Hwy 49 at Auburn Bridge on American River, slopes on north side of canyon above highway. 198 Comment
  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
  CAS-BOT-BC362682  Raillardella argentea L. S. Smith 1925-7-15 1682 Placer Tahoe National Forest. French Mdws. near Talbot Camp 1828 Comment
  UCD18260  Raillardella argentea E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 472 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  CAS-BOT-BC186684  Ranunculus Saichi Kawahara 1969-5-24 851 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek 1005 Comment
  RSA142999  Ranunculus alismifolius var. alismellus John H. Thomas, H. A. Thomas 1956-7-21 6086 Placer Sierra Nevada, Vicinity of Donner Pass, 80 miles NE of Sacramento 2134 Comment
  UCD162513  Ranunculus alismifolius var. hartwegii Steve Matson 1998-5-17 207 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. 1780 Comment
  CAS-BOT-BC379376  Ranunculus alismifolius var. hartwegii s.n. Placer Truckee Comment
  CAS-BOT-BC379383  Ranunculus alismifolius var. hartwegii Lewis S. Rose 1940-6-2 40463 Placer Truckee River, 10 mi N of Tahoe City 1829 Comment
  CAS-BOT-BC379389  Ranunculus alismifolius var. hartwegii Mrs. Jos. Clemens 1920-4-13 7002 Placer Crescent Mills 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-BC379435  Ranunculus alismifolius var. hartwegii A. A. Heller 1903-7-16 6945 Placer lower end of Donner Lake Comment
  CAS-BOT-BC379440  Ranunculus alismifolius var. hartwegii Lillian S. Mott 1968-4-28 1968 Placer Bear Valley Comment
  SEINET5338415  Ranunculus aquatilis var. diffusus T. C. Frantz 1951-5-15 104 Placer Truckee River below outlet locks of Lake Tahoe. Comment
  RSA0042967  Ranunculus californicus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20352 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SD44658  Ranunculus hebecarpus Darley F. Howe 1951-5-1 2101 Placer Placer Co. 456 Comment
  CAS-BOT-BC228549  Ranunculus muricatus George K. Helmkamp; E. A. Helmkamp 2011-4-10 17159 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan 41 Comment
  UCR234220  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17159 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  SDSU10115  Ranunculus muricatus D. F. Howe 1948-5-21 1909 Placer 457 Comment
  RSA0037367  Ranunculus occidentalis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20371 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UC838052  Ranunculus occidentalis A. A. Heller 1917-6-19 12737 Placer Emigrant Gap 1615 Comment
  UCD41266  Ranunculus occidentalis Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1723 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UCR250359  Ranunculus occidentalis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20371 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  RSA400016  Ranunculus occidentalis var. eisenii Wm Vortriede 1926-1 s.n. Placer Lake Tahoe. Comment
  RSA268502  Ranunculus occidentalis var. ultramontanus L. S. Rose 1940-6-2 404465 Placer Truckee River, 10 miles N of Tahoe City. 1829 Comment
  UCD54576  Ranunculus orthorhynchus Ellen Dean; Tammie Beyerl 2006-1-11 2770 Placer NW part of town of Auburn, north of municipal airport and south of Dry Creek Rd. 435 Comment
  UC854403  Ranunculus uncinatus Marcus E. Jones, A. M. 1882-6-28 3308 Placer Emigrant Gap Comment
  JEPS113119  Raphanus raphanistrum Lowell Ahart, Brian Williams 2007-4-13 13640 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SEINET11526778  Raphanus raphanistrum Vetter 1955-4-23 8 Placer 0.5 mile W of Loomis. Comment
  UC629707  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer 7 mi nw Tahoe City; Squaw Valley 1889 Comment
  RSA1845  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1730 Placer 4 miles W of Emigrant Gap. 1372 Comment
  CDA15825  Rhamnus rubra subsp. rubra G. F. Hrusa, L. Serafini 1993-6-29 11261 Placer Duncan Creek approx. 5 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  CAS-BOT-BC58189  Rhododendron columbianum Frances Price 1919-1-1 s.n. Placer Tahoe. Comment
  CAS-BOT-BC58198  Rhododendron columbianum F. Almeda 1993-7-24 7265 Placer About 15 mi. se. of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  SBBG59931  Rhododendron occidentale M. N. Ackley -Jun-1925 328 Placer Towle 1127 Comment
  SEINET2029693 Image available Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer Meier Ranch, about 6 miles north of Colfax 762 Comment
  CDA26520  Rhododendron occidentale var. californicum G. F. Hrusa 1993-6-29 9882 Placer Sierra Nevada; Placer Big Trees Redwood Grove. Mosquito Ridge Rd. below French Meadows Reservoir. Comment
  CAS-BOT-BC200394  Rhododendron occidentale var. paludosum A. A. Heller 1917-6-19 12743 Placer 8 miles east of Colfax Comment
  CAS-BOT-BC108693  Ribes cereum Bethel; Posey 1921-6-5 s.n. Placer Tahoe. Comment
  CAS-BOT-BC108699  Ribes cereum Alice Eastwood 1912-6-15 370 Placer Lake Tahoe Region. Deer Park. Comment
  CAS-BOT-BC108704  Ribes cereum W. R. Dudley 1900-6-29 s.n. Placer Woods near Tahoe City. Comment
  UCD22347  Ribes cereum Rex Palmer 1979-6-21 N 417 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC169091  Ribes inerme var. inerme Alice Eastwood 1912-6-15 428 Placer Deer Park, Lake Tahoe Basin Comment
  JEPS127482  Ribes inerme var. inerme Steve Matson 1998-6-14 232 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
  HSC103235  Ribes montigenum Jade Paget-Seekins 2010-7-19 49 Placer Mountains west of Lake Tahoe, up Forest Route 3 past the Ellis Peak trailhead, left onto road toward Miller Meadows. 2280 Comment
  SEINET12220282  Ribes montigenum C. F. Sonne 1885-1 100 Placer Sierra Nevada Mts, above Coldstream 2591 Comment
  CAS-BOT-BC219203  Ribes nevadense Alice Eastwood 1912-6-15 393 Placer Deer Park, Lake Tahoe Region Comment
  SCFS11529124  Ribes roezlii E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  SJSU10511  Ribes roezlii R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  UCD15604  Ribes roezlii Lisa Montany 1985-5-18 20 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  RSA0018264  Ribes roezlii Alice Eastwood 1922-4-6 11119 Placer 3 miles above Colfax near the road. Comment
  SEINET5339779  Ribes roezlii P. A. Lehenbauer 1932-6-12 s.n. Placer Reclamation Camp, Tahoe City 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
  OBI82257  Robinia pseudoacacia George K. Helmkamp, Mary Alice Barnes 2013-5-3 20490 Placer Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  CAS-BOT-BC74622  Rorippa curvisiliqua Alice Eastwood 1912-6-15 452 Placer Lake Tahoe Regin. Deer Park. Comment
  CDA15948  Rorippa curvisiliqua G. F. Hrusa, J. Glazner 1999-7-17 15159 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA24990  Rorippa curvisiliqua J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD115292  Rorippa curvisiliqua Peter H. Raven 1949-6-28 1227 Placer Summit Valley. 2133 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
  SD81097  Rorippa nasturtium-aquaticum Darley F. Howe 1971-7-3 Placer Truckee 1830 Comment
  UCR240918  Rorippa palustris subsp. palustris George K. Helmkamp, E. A. Helmkamp 2012-6-19 19245 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  CAS-BOT-BC74869  Rorippa subumbellata Miss M. E. Cantelow 1935-7-20 1026 Placer Brockway. Comment
  POM89568  Rosa bridgesii Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC146869  Rosa rubiginosa Saichi Kawahara 1969-5-24 841 Placer North side of bend on Colfax-Iowa Hill Road, 1 mile west of Iowa Hill 865 Comment
  JEPS72264  Rosa woodsii var. ultramontana Gladys L. Smith, Betsy and Norman Wilson 1972-7-6 3285 Placer Squaw Creek Squaw Valley 2438 Comment
  UC527362  Rosa woodsii var. ultramontana C. B. Wolf 1931-9-10 2421 Placer hollow near r.r. tracks between Tahoe Tavern and Truckee River (gates) 1920 Comment
  SEINET7703904  Rosa woodsii var. ultramontana P. A. Lehenbauer 1931-8-30 1704 Placer Lake Tahoe, near Carnelian Bay. Comment
  UCR191061  Rubus glaucifolius George K. Helmkamp, E. A. Helmkamp 2007-5-23 12053 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  CAS-BOT-BC147966  Rubus parviflorus Robert M. Rhode; Barbara Nemeth 1997-6-26 176 Placer 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 - Lake Tahoe 1981 Comment
  RSA463212  Rubus parviflorus J. H. Nishida 1985-7-10 788 Placer Homewood. 1829 Comment
  UCD164607  Rubus ursinus Brandi Sorensen 1995-6-1 25 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD17695  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 20 Placer California. Placer County: corner of Grass Valley Highway and Sawyer Court in Auburn. Comment
  CAS-BOT-BC363141  Rudbeckia californica G. P. Rixford 1916-7-1 s.n. Placer Cisco Comment
  CAS-BOT-BC110490  Rumex Saichi Kawahara 1969-5-24 849 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek. 585 Comment
  RSA0026096  Rumex John F. Emmel 1988-7-21 1113 Placer Sierra Nevada, Donner Pass area; along dirt road at north end of Lake Mary. 2159 Comment
  CAS-BOT-BC422035  Rumex acetosella John H. Thomas; Hazelle A. Thomas 1956-7-21 6219 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CDA19533  Rumex acetosella M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 258 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
  CAS-BOT-BC422031  Rumex acetosella John Thomas Howell 1943-7-19 18564 Placer Summit Valley Comment
  UCD44647  Rumex crispus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2013 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR194953  Rumex pulcher George K. Helmkamp, E. A. Helmkamp 2007-5-18 12002 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
  CAS-BOT-BC433759  Rumex pulcher W. A. Weber; Lewis S. Rose 1953-5-19 8389 Placer 5 mi. n. of Roseville on road to Lincoln 45 Comment
  CAS-BOT-BC103061  Salix bonplandiana A. A. Heller 1917-6-19 12747 Placer 5 miles west of Colfax Comment
  CAS-BOT-BC103563  Salix eastwoodiae W. R. Dudley 1900-6-14 5071 Placer Woods between Donner Lake and Summit Comment
  CAS-BOT-BC103607  Salix eastwoodiae W. R. Dudley 1900-6-14 5106 Placer In valley north west of Lake Mary Comment
  UC1786426  Salix geyeriana Edward L. Smith 1965-6-11 680 Placer Carnelian Bay, n shore of Lake Tahoe. 1903 Comment
  CAS-BOT-BC108207  Salix hindsiana W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC106874  Salix jepsonii W. R. Dudley 1900-6-14 5072 Placer Woods between Donner Lake and Summit Comment
  CAS-BOT-BC249045  Salix jepsonii George K. Helmkamp; E. A. Helmkamp 2010-7-28 16671 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UCD22310  Salix jepsonii Rex Palmer 1979-6-20 N 312 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC125290  Salix lasiandra var. lasiandra 1931-8-28 2630 Placer Tahoe National Forest Comment
  CHSC13651  Salix lasiolepis E. L. Smith 1971-7-17 990 Placer At King's Beach. 1903 Comment
  CHSC9640  Salix lasiolepis E. L. Smith 1971-7-27 1011 Placer W end of Putt Reservoir just e of Blue Canyon Road ca. 2 mi w of Emigrant Gap. 1706 Comment
  RSA0115437  Salix lasiolepis George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22533 Placer Sierra Nevada Mountains Foothills: North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49. 433 Comment
  UCD58335  Salix lasiolepis Michael Persichetty 2007-6-6 2 A Placer Alta. North side of Spaulding Point. 1219 Comment
  UCD80752  Salix lasiolepis CNPS SN Foothill Team 2005-4-13 SNFN 0107 e Placer Placer Legacy, Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  CAS-BOT-BC124748  Salix lemmonii A. A. Heller 1917-6-19 12735 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC124752  Salix lemmonii A. A. Heller 1917-6-17 12688 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124778  Salix lemmonii W. R. Dudley 1900-6-14 5108 Placer northwest of Lake Mary, near Summit Comment
  CHSC74265  Salix lemmonii Susi Urie; Eric Schroder 1998-9-11 98 -332 Placer Lake Tahoe Basin--National Forest. Along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  RSA43814  Salix lemmonii D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 1707 Comment
  UC847126  Salix lemmonii A. A. Heller 1917-6-17 12721 Placer along Yuba R. below Cisco; Yuba R 1676 Comment
  UCD43112  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 480 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET8589755 Image available Salix lemmonii A. A. Heller 1917-6-17 12688 Placer Low grassy places along the Yuba river below Cisco, elevation about 5500 feet 1676 Comment
  CAS-BOT-BC125100  Salix ligulifolia Helen La Plant 1964-6-1 s.n. Placer Ward Creek near Lake Tahoe Comment
  POM107016  Salix lucida subsp. lasiandra Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  CHSC9617  Salix scouleriana E. L. Smith 1971-7-27 991 Placer At Tahoe Vista. 1903 Comment
  POM107215  Salix scouleriana Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  SD43606  Salix scouleriana Darley F. Howe 1948-5-22 Placer Placer County 1219 Comment
  UC1135081  Salix scouleriana B. Bolt 1934-7-22 157 Placer Chicken Hawk Camp Tahoe Nat'l Forest, Colfax Quadrangle, Chicken Hawk Camp Comment
  UCD33617  Salix scouleriana Beecher Crampton 1970-11-10 8656 Placer Placer County, Emigrant Gap, downslope from Hwy. 80 east. 1524 Comment
  SD241088  Salvia sonomensis George K. Helmkamp, E. A. Helmkamp 2010-4-17 15892 Placer Northern Sierra Nevada Moutains Foothills: Rattlesnake Bar Road, 8.0 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 321 Comment
  CAS-BOT-BC235025  Sambucus John H. Thomas; Hazelle A. Thomas 1956-7-21 6088 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  RSA1844  Sambucus caerulea C. B. Wolf 1930-10-11 1729 Placer 4 miles west of Emigrant Gap 1524 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
  CAS-BOT-BC235189  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  CDA24988  Sanguisorba annua J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SD241173  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-7-9 17673 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 1.4 miles northwest of the city of Foresthill (Foresthill 7.5'Q) 764 Comment
  CDA19549  Sanicula bipinnatifida M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 239 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UCD80017  Sanicula bipinnatifida CNPS SN Foothill Team 2005-4-26 SNFN 0183 a Placer CDPR Auburn State Recreation Area. The stand is located at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  SEINET11155811  Sanicula bipinnatifida D. E. Brix 1962-3-17 s.n. Placer North Fork American River, 3.5 miles NE of Auburn. 518 Comment
  CHSC57341  Sanicula crassicaulis W. Schierenberg 1988-3-28 6 Placer Ca. 1.5 km e of Rocklin, 100 m n of Dry Creek. 71 Comment
  JEPS111290  Sanicula graveolens Steve Matson 2005-7-10 1391 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 400 meters NW of parking area; 39.3037 N, 120.1361 W: elevation 5,840 ft. 1780 Comment
  POM133547  Sanicula graveolens C. F. Sonne 1895-06 4112 Placer Road to Lake Tahoe Comment
  POM263629  Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 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
  SEINET11160301  Sanicula tuberosa D. Worley 1977-3-19 s.n. Placer Near confluence of North and Middle Forks American River, near old road bed of Hwy 49. 335 Comment
  UCR120247  Sarcodes sanguinea George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5037 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC466210  Sarcodes sanguinea C. F. Sonne 1893-6-1 s.n. Placer On Truckee River 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
  RSA20882  Saxifraga californica Carl B. Wolf 1937-3-30 8346 Placer Sacramento Valley, 4.8 mi. E of Lincoln on Penryn Rd. 91 Comment
  SDSU2326  Scandix pecten-veneris D. R. Harvey 1960-5-29 Placer Near Forest Hill. Comment
Read comments
Jun 16 2009
  CHSC74898  Scirpus microcarpus Susi Urie; Eric Schroder 1998-9-12 98 -356 Placer Lake Tahoe Basin Management Unit -- National Forest. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CAS-BOT-BC110999  Scirpus microcarpus W. R. Dudley 1901-8-16 s.n. Placer Island below falls, Monte Vista, Dutch Flat Comment
  CAS-BOT-BC243506  Scribneria bolanderi G. L. Stebbins 1978-5-28 7896 Placer East end of Ralston Ridge 1554 Comment
  SEINET238355 Image available Scribneria bolanderi Beecher Crampton 1953-4-21 1116 Placer 2 miles north of Lincoln, Sunnybrook Farms. Comment
  UC1153948  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 mi n of Lincoln Comment
  UCD92488  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer 2 miles northwest of Roseville, Diamond K Ranch. Comment
  UC767432  Scrophularia californica R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln Comment
  JEPS11416  Scrophularia californica subsp. floribunda R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln Comment
  UCD125715  Scutellaria californica C. J. W. 1913-6-26 120 Placer Colfax. Comment
  RSA445393  Scutellaria californica Fay A. MacFadden 1934-7-26 12688 Placer Foot of Red Mountain Comment
  SD113261  Scutellaria tuberosa Darley F. Howe 1965-5-21 4065 Placer Canyon on south side of north fork of American River between Forest Hill and Yankee Jims. 914 Comment
  CAS-BOT-BC61453  Sedum lanceolatum John H. Thomas; Hazelle A. Thomas 1956-7-21 6131 Placer Sierra Nevada, Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  JEPS111315  Sedum lanceolatum Steve Matson 2005-7-30 1425 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), north side of ridge high point facing large rocky pinnacle (south of Emigrant Pass) 39.1885 N, 120.2775 W; elevation 8,700 ft. 2651 Comment
  JEPS72364  Sedum obtusatum Gladys L. Smith 1972-6-18 3155 Placer volcanic cliff above Alpine Meadows; above Alpine Meadows 2133 Comment
  CAS-BOT-BC64209  Sedum obtusatum subsp. obtusatum John Thomas Howell 1943-7-21 18661 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC64210  Sedum obtusatum subsp. obtusatum J. F. Emmel 1968-7-25 97 Placer E above Donner Pass Comment
  SEINET3828329  Sedum spathulifolium George K. Helmcamp, E. A. Helmkamp 2012-1 18923 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) of Clementine Dam on the American River. (Auburn 7.5) 396 Comment
  UC905264 Image available Selaginella hansenii H. Bolander 1865-10-4 4511 Placer Auburn Comment
  UCD135983  Selaginella hansenii A. S. Crafts 1940-12-10 s.n. Placer Near Auburn. Comment
  UC942750  Selaginella hansenii Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4019 Placer above bridge on N. Fork American River on Rt. 49 N. Fork American River 365 Comment
  CAS-BOT-BC69721  Selaginella wallacei G. Ledyard Stebbins 1969-11-30 6981 Placer Shirttail Canyon on Colfax - Forest Hill Road. 365 Comment
  UC2042507  Senecio integerrimus var. exaltatus Holly Forbes, Barbara Keller, and T. Tomashek 2012-6-12 Placer Blackwood Canyon Rd., 0.2 mi. W of junction with Highway 89. Comment
  UC567040  Senecio integerrimus var. exaltatus N. French 1934-6-21 434 Placer N end of Lake Cascade 2011 Comment
  UC1287544  Senecio integerrimus var. exaltatus J. M. Gillett and A. G. Moulds 1964-6-15 12705 Placer Baldwin Beach, w shore of Lake Tahoe Lake Tahoe Comment
  JEPS72238  Senecio integerrimus var. major Gladys L. Smith 1972-6-20 3232 Placer from chairlift terminus to ultimate summit peak Ward Peak 2632 Comment
  UC147608  Senecio integerrimus var. major Harriet A. Walker 1908-6-26 1303 Placer Cisco 1810 Comment
  UCD21786  Senecio integerrimus var. major Beth Lowe Corbin 1982-8-9 277 Placer 1/4 mile SW of Onion Creek campground. In fine, sandy soil. Opening in White Fir forest. Biennial. Ray and disc flowers withered, apparently yellow. Full sun. South facing slope, 10% incline. Uncommon. 30 Comment
  CAS-BOT-BC364156  Senecio serra Elizabeth Parsons Hawver No date on label s.n. Placer Tahoe City, Lake Tahoe Region Comment
  CAS-BOT-BC364382  Senecio triangularis unspecified 1906-7-15 6999 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC364384  Senecio triangularis Alice Eastwood 1909-1-1 23 Placer Lake Tahoe Region. Sunnyside Comment
  CDA14274  Senecio triangularis F. G. Andrews, T. Eichlin 1998-6-12 s.n. Placer Sierra Nevada; 19.5 mi. NE of Foresthill at Secret House Campground. 1645 Comment
  UCD43853  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1219 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  RSA473088  Senecio triangularis B. C. Templeton 1931-7-5 1511 Placer near Meek's Bay. 2280 Comment
  CAS-BOT-BC364758  Sericocarpus oregonensis subsp. californicus L. R. Abrams 1917-9-15 6762 Placer Near Dutch Flat Comment
  UCD147094  Sesbania punicea Chuck Hughes 2013-5-14 378 Placer Southern margin of Camp Far West Reservoir. 95 Comment
  CAS-BOT-BC213132  Sidalcea Emily K. Mcpherson 1976-9-19 76283 Placer One mile east of Talbot Campground, open area near Middle Fork American River, Sierra Nevada 1767 Comment
  UCD116760  Sidalcea Frederica Bowcutt 1994-7-22 1946 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. Comment
  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
  UC112806  Sidalcea glaucescens Katharine Brandegee 1908-7-15 Placer Donner, Summit Station Donner; , Summit Station Comment
  HSC16036  Sidalcea glaucescens R. G. Means 1962-6-28 49 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  POM282876  Sidalcea glaucescens Lyman Benson 1933-6-26 4545 Placer 4 miles west of Donner Pass, Sierra Nevada, Bear River Watershed, Canadian zone, US 40. 1982 Comment
  RSA232851  Sidalcea glaucescens L. S. Rose 1968-7-20 68187 Placer 2 miles east of Cisco Grove 1768 Comment
  UC148998  Sidalcea glaucescens H. M. Hall 1910-7-11 8758 Placer along Yuba River (Old Cisco); Sierra Nevada Mountains, along Yuba River, Old Cisco 1737 Comment
  UC66468  Sidalcea glaucescens P. B. Kennedy 1901-8-6 242 Placer Soda Springs Comment
  SBBG29904  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 mi N of Colfax Comment
  POM260357  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1940-5-14 6390 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UCD43172  Sidalcea oregana subsp. hydrophila C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 541 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CHSC73959  Sidalcea oregana subsp. spicata Susi Urie 1998-9-1 98 -176 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 3 mi north of Lake Tahoe. 1908 Comment
  CHSC73960  Sidalcea oregana subsp. spicata Susi Urie 1998-8-18 98 -062 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74100  Sidalcea oregana subsp. spicata Susi Urie 1998-8-11 98 -006 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74231  Sidalcea oregana subsp. spicata Susi Urie 1998-8-29 98 -149 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC9527  Sidalcea oregana subsp. spicata J. F. Goodwin 1971-7-11 167 Placer 20 ft. south of Hwy. 267 in open meadow, 7.3 mi. east of Truckee. 2103 Comment
  UC871507  Sidalcea oregana subsp. spicata Alice Eastwood 1909-1 62 Placer Sunnyside Lake Tahoe Region, Sunnyside Comment
  POM148068  Silene californica J. B. Feudge 1927-7-18 1648 Placer Baxter s Camp. Emigrant gap. Comment
  UC196791  Silene californica C. F. Sonne 1891-5-17 Placer Colfax Comment
  UCR250344  Silene californica George K. Helmkamp, Mary Alice Barnes 2013-4-18 20365 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  CAS-BOT-BC386979  Silene douglasii H. M. Hall 1910-7-4 8742 Placer Near Cisco 1890 Comment
  UC465664  Silene douglasii Katharine Brandegee July, 1908 Placer Alta Comment
  UCD22170  Silene douglasii Rex Palmer 1979-6-20 N 305 Placer Headwaters basin area of the North Fork of the American River Comment
  POM100873  Silene douglasii var. douglasii Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. 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
  UCD159849  Silene invisa G. Ledyard Stebbins; Charlotte Pyles 1979-7-31 s.n. Placer North slope of ridge between Soda Springs, on North Fork American River, and Lyons Peak. 2072 Comment
  UCR240908  Silene invisa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19230 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UCD99017  Silene laciniata subsp. californica J. L. Wirka 1995-5-19 s.n. Placer About 1 km from the trailhead of the Steven's Trail that descends the north fork of the American River Canyon outside of Colfax, south of I-80. 400 Comment
  JEPS127489  Silene menziesii Steve Matson 2000-6-27 462 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; NNW of west end of golf course. Comment
  UC1137899  Silene occidentalis subsp. occidentalis G. T. Nordstrom 1934-6-21 148 Placer 2 1/2 mi w by nw Mammoth Springs; Tahoe National Forest, Colfax Quad. Comment
  CDA15933  Sisymbrium altissimum G. F. Hrusa, J. Glazner 1999-7-17 15133 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET4171040  Sisyrinchium bellum C. L. Hitchcock 1940-5-7 6340 Placer ca. 1 mile west of Baxter Comment
  CDA19548  Sisyrinchium elmeri M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 237 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
  JEPS59425  Sisyrinchium elmeri Ezra Brainerd and Viola B. Baird 1915-7-22 145 Placer bank of Truckee River; Sierra Nevada Mountains 1889 Comment
  CDA19558  Sisyrinchium idahoense M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 230 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
  SACT002100  Sitanion hystrix D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT002225  Sitanion hystrix D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT002240  Sitanion hystrix D. Meyer 1983-8-20 Placer Collected on Alpine Meadows Road to summit at first lake steep rocky trail with some moist meadow areas. 609.0 Comment
  CDA16049  Smilacina racemosa G. F. Hrusa, J. Glazner 2000-9-3 15663 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  CDA5936  Solanum dimidiatum Clark, Margaret Bellue 1945-10-11 Placer Southern Pacific yards, Roseville. 0 Comment
  POM69614  Solanum umbelliferum Marcus E. Jones 1882-6-25 s.n. Placer Emigrant Gap. Comment
  UCD127066  Solanum xanti Ted Niehaus 1959-5-3 94 Placer small knoll 100 yards from lake, north shore of Folsom Lake, Granite Bay park, Comment
  JEPS71535  Solanum xanti Gladys L. Smith 1972-6-21 3283 Placer roadbank going into Alpine Meadows 2072 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
  UCR241764  Solidago altissima subsp. altissima George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19803 Placer Northern Sierra Nevada Mountains, along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  RSA122313  Solidago californica G. T. Nordstrom 1934-6-21 130 Placer 4/10 mile west by northwest of Mammoth Springs. 1707 Comment
  RSA473674  Solidago canadensis subsp. elongata Wm. Martin 1971-9-10 20284 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  SEINET4560809  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2010-1 17027 Placer Northern Sierra Nevada Mountains Foothills: along Forest Route 24 at Parker Flat and Beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine reservior dam 1180 Comment
  SEINET11801715  Solidago canadensis var. salebrosa L. S. Rose 1938-1 38268 Placer Truckee River, 3 mi NW of Tahoe City 1829 Comment
  CAS-BOT-BC365505  Solidago elongata H. M. Hall 1910-7-10 8749 Placer Sierra Nevada Mountains. Cisco 1828 Comment
  CHSC72868  Solidago elongata L. P. Janeway; Eric Schroder 1998-7-13 5747 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  OBI49197  Solidago elongata Lewis S. Rose 1938-9-14 38268 Placer Truckee River, 3 mi NW of Tahoe city 1829 Comment
  UC148999  Solidago elongata H. M. Hall 1910-7-10 8749 Placer Cisco Sierra Nevada Mountains, Cisco 1828 Comment
  CAS-BOT-BC365112  Solidago velutina subsp. californica R. F. Hoover 1967-9-5 10836 Placer Carnelian Bay, Lake Tahoe Comment
  SCFS11529127  Solidago velutina subsp. californica E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing in a drying stream bed. Comment
  CHSC96473  Soliva sessilis Lowell Ahart; Brian Williams 2007-4-13 13634 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CDA37238  Sonchus asper CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CAS-BOT-BC157301  Sorbus californica Gordon H. True; James Roof 1975-10-16 7971 Placer Cisco Grove, north side of South Yuba River 1828 Comment
  CAS-BOT-BC157305  Sorbus californica Alice Eastwood 1919-1-1 314 Placer Deer Park Comment
  SACT002282  Sorghum halepense D. Meyer 1984-5-28 Placer Next to orchard 206.0 Comment
  UCR253816  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20099 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  CDA4266  Spartium junceum W. Wilson 1958-3-11 153 -58 Placer Near Loomis. 0 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
  CDA36235  Spergula arvensis subsp. arvensis G. K. Helmkamp, E. A. Helmkamp 2009-3-11 Placer Sacramento Valley; Ranch House Road, 0.2 mile south of Sheridan. Comment
  CAS-BOT-BC390059  Spergularia W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  CAS-BOT-BC390110  Spergularia bocconi John Thomas Howell; Gordon H. True 1971-5-26 47645 Placer Northern limits of Lincoln 48 Comment
  UCD22171  Spergularia rubra Beth Lowe Corbin 1982-8-17 364 Placer 1 2/3 miles SW of The Cedars. NW facing slope, 10% incline. Partial sun. Occasional. In sandy, disturbed soil on logging skid trail in white fir forest near creek. Flowers pale purplish. 1813 Comment
  UCR111005  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 1999-6-30 5111 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  CAS-BOT-BC390676  Spergularia rubra Saichi Kawahara 1969-7-19 1552 A Placer Highway 800, 500 feet south of Nevada County Line 1889 Comment
  CAS-BOT-BC152533  Spiraea splendens F. Almeda 1993-7-24 7258 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley - Sierra Nevada 2133 Comment
  CAS-BOT-BC220973  Stachys Saichi Kawahara 1969-7-6 1441 Placer At the Mel Henderson Ranch on the east bank of Indian Creek 999 Comment
  UC416739  Stachys ajugoides var. rigida Katharine Brandegee Aug. 1911 Placer Tahoe Tavern Comment
  UCR231860  Stachys ajugoides var. rigida George K. Helmkamp, E. A. Helmkamp 2010-8-11 16759 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  SEINET3155893  Stellaria longipes W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  CAS-BOT-BC391176  Stellaria longipes subsp. longipes John H. Thomas; Hazelle A. Thomas 1956-7-21 6221 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 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
  UCR170977  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-9 10041 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  UCR208281  Stellaria media George K. Helmkamp, E. A. Helmkamp 2009-5-7 14635 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  RSA518742  Stellaria nitens Barbara Ertter, David M. Thompson 1989-4-8 8175 Placer Iowa Creek Road, ca 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing. 518 Comment
  CAS-BOT-BC181460  Stellaria obtusa A. A. Heller 1919-7-25 13298 Placer About rocks near the Yuba River below Cisco. 1676 Comment
  UCD43784  Stellaria umbellata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1150 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N 2072 Comment
  JEPS31313  Stenotus acaulis Leland S. Smith 1928-7-18 2483 Placer Ward Peak among rocks. (see field label in pocket) 2438 Comment
  JEPS71597  Stenotus acaulis Gladys L. Smith 1972-8-25 3412 Placer West facing slope below Watson Monument, tr. to Granite Chief 2560 Comment
  UC170071  Stenotus acaulis Miss Helen D. Geis 1912-6 54 Placer Deer Park. Crag Summit Comment
  UCD50255  Stephanomeria lactucina A. M. Shapiro 2004-7-21 s.n. Placer near Soda Springs. 2133 Comment
  CAS-BOT-BC375610  Stephanomeria lactucina C. F. Sonne 1885-8-2 193 Placer Sierra Nevada Mts. Along Truckee River Comment
  SACT002312  Stipa californica D. Meyer 1984-8-4 Placer 9.6 km north of Hell Hole, overlooking French Meadows. 1879.0 Comment
  SACT002319  Stipa californica Michael Baad 1983-9-3 Placer Collected from west slope of Mount Judah to saddle between Mount Judah and Mount Lincoln. 2529.0 Comment
  SACT002323  Stipa californica D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT002326  Stipa californica D. Meyer 1984-7-15 Placer 1.3 km from Serene Lake Lodge 1909.0 Comment
  SEINET7546725  Stipa lemmonii var. jonesii M. E. Jones 1882-1 3298 Placer Emigrant Gap Comment
  UCR240887  Stipa pulchra George K. Helmkamp, E. A. Helmkamp 2012-3-31 18655 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SEINET10893292  Stipa stillmanii Smith 1931-6-21 Smith 2557 Placer Shallow, loose, loam soil. East slope. trail below pine Nut, Duncan Canyon; ca 11 miles east 9northeast) of Michigan bluff 1524 Comment
  CAS-BOT-BC87413  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest. 1139 Comment
  RSA584109  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest 1139 Comment
  CAS-BOT-BC87769  Streptanthus tortuosus F. Almeda 1993-7-24 7264 Placer Sierra Nevada. About 15 miles southeast of Interstate Highway #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  CAS-BOT-BC87771  Streptanthus tortuosus Hy Edwards; J. P. Moore 479 Placer Summit. Comment
  CAS-BOT-BC87774  Streptanthus tortuosus John Thomas Howell 1943-7-21 18659 Placer Donner Pass to Mount Lincoln. 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
  UCD22381  Streptanthus tortuosus Beth Lowe Corbin 1982-8-11 320 Placer 1 3/4 miles SW of Onion Creek Campground. SE facing slope, 45% incline. Occasional. Full sun. Open, rock outcrop in montane chaparral. Flowers dried, whitish. 1920 Comment
  SEINET4891943  Streptanthus tortuosus L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  UCR193336  Streptanthus tortuosus var. orbiculatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12174 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  CHSC24706  Streptanthus tortuosus var. pallidus T. C. English 1976-4-18 35 Placer On n side of deserted R.R., on n fork of the American River, ca. 2 mi w of Hwy 49 bridge. 335 Comment
  SEINET5505738 Image available Styrax officinalis var. californicus Evert I. Schlinger 1952-1 95 Placer 2 miles east of Auburn Comment
  UC903246  Styrax officinalis var. redivivus Ethel Crum 1938-5-15 2043 Placer 2 mi ne Auburn (canyon of Middle Fork American River); Sierra Nevada foothills, canyon of Middle Fork American Rive 304 Comment
  UCR208267  Styrax officinalis var. redivivus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14648 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  LA44529  Styrax redivivus Carl B. Wolf; 1937-5-12 8609 Placer Sacramento Valley, W of N Fork American River, 8 mi N of Folsom on road to Auburn 121 Comment
  RSA21028  Styrax redivivus Carl B. Wolf 1937-9-4 9283 Placer Ssacramento Valley, W of N Fork American River, 8 mi N of Folsom on road to Auburn. 122 Comment
  UCD119107  Styrax redivivus M. H. Mills 1996-4-12 144 Placer 5830 Walden Lane, Loomis. 180 Comment
  CAS-BOT-BC237003  Symphoricarpos mollis Alice Eastwood 1909-1-1 31 Placer Sunnyside Comment
  SEINET8061724  Symphoricarpos mollis P. A. Lehenbauer 1932-9-11 s.n. Placer Lake Tahoe, Carnelian Bay. Comment
  CAS-BOT-BC245737  Symphoricarpos rotundifolius Elizabeth Parsons Hawver 1911-7-20 s.n. Placer Ward Creek, Lake Tahoe Region Comment
  CHSC41120  Symphyotrichum bracteolatum James D. Jokerst 1983-10-11 1918 Placer Along the banks of Long Canyon Creek ca 1/4 miles SE of Blacksmith Flat. Comment
  JEPS126321  Symphyotrichum bracteolatum Steve Matson 2003-8-4 658 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
  UCD69248  Symphyotrichum bracteolatum D. Sanchez-Mata 1997-8-9 Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 Comment
  UC87110  Symphyotrichum bracteolatum C. F. Sonne 1886-8-1 Placer Mayers Meadows; Truckee Comment
  CHSC74197  Symphyotrichum foliaceum var. parryi Susi Urie; Eric Schroder 1998-9-8 98 -295 Placer On north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CAS-BOT-BC98485  Symphyotrichum spathulatum John Thomas Howell 1943-7-22 18702 Placer Summit Valley Comment
  JEPS126314  Symphyotrichum spathulatum Steve Matson 1997-7-6 46 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  UCD136650  Symphyotrichum spathulatum G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12643 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 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
  UC53989  Symphyotrichum spathulatum Chesnut and Drew 1898-8-8 Placer Cascade Lake Tahoe Comment
  CAS-BOT-BC98877  Symphyotrichum spathulatum var. intermedium Fay A. Mac Fadden 1934-7-26 12868 Placer Red Mt. Comment
  CHSC74203  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-4 98 -265 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC376788  Tanacetum parthenium John Thomas Howell 1974-7-12 50608 Placer Emigrant Gap 1615 Comment
  UCR208557  Taraxacum officinale George K. Helmkamp, E. A. Helmkamp 2009-5-11 14657 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  CAS-BOT-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
  JEPS127406  Tauschia hartwegii Steve Matson 2006-4-23 1602 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UC566898  Tauschia hartwegii H. L. Mason 1926-5-28 3268 Placer five mi above Auburn Comment
  CAS-BOT-BC85266  Taxus brevifolia Mary E. Jump 1939-11-1 s.n. Placer Little Bear Canyon Comment
  UC20477  Tetrapteron graciliflorum H. N. Bolander 1865-4-13 4564 Placer Newcastle Comment
  UCD137776  Thelypteris nevadensis F. A. MacFadden 1934-8-3 12793 Placer Canyon Creek, Dutch Flat. Comment
  RSA693558  Thelypteris nevadensis May N. Ackley 1925-06 65 Placer Near Towle Comment
  JEPS111234  Thlaspi arvense Steve Matson 2005-6-8 1276 Placer Martis Valley, ca 3 miles southeast of Truckee, National Recreation Area (Army Corps) south of 267, southeast of Martis Creek, Northstar golf course by pond near wellhead; 39.2973 N, 120.1170 W; Elevation 5840 ft. 1780 Comment
  UC1585846  Thysanocarpus curvipes Barbara Ertter with David Thompson 1989-4-9 8194 Placer ne Auburn (halfway down road to Lake Clementine (= North Fork Lake)); dwn rd to Lake Clementine (= North Fork Lake), ne of Auburn 304 Comment
  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
  CAS-BOT-BC67323  Thysanocarpus radians M. K. Curran 1884-1-1 s.n. Placer Roseville. Comment
  JEPS113105  Thysanocarpus radians Lowell Ahart, Brian Williams 2007-4-13 13671 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln 37 Comment
  UCD124139  Torreya californica Ellen Dean; Davis Botanical Society members 2012-10-13 7513 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. Comment
  UCD134689  Torreya californica Lowell Ahart 1972-4-1 81 Placer On the north side of Mosquito Ridge Road, about 8 miles east of Forest Hill. 1219 Comment
  SACT002422  Torreyochloa erecta D. Meyer 1984-9-23 Placer Very wet rocky creek bed. 2121.0 Comment
  SCFS11529150  Toxicoscordion venenosum E. Krimmel 2014-6-26 Placer In seep beside road at Cedars driveway Comment
  CAS-BOT-BC377061  Tragopogon dubius John Thomas Howell; Gordon H. True 1972-5-12 48723 Placer Baxter 1219 Comment
  UC1980550  Tragopogon dubius C. Rose Broome, Crissie Cagle 1978-8-3 2310 Placer Laing Rd. (frontage rd. to Rancho Sierra Inn) just S of I-80 at Emigrant Gap exit. Comment
  RSA101426  Trautvetteria grandis R. Weatherby 1955-8-9 1679 Placer S Fork Haskins Creek, 2 miles S of Bucks Lake. 1646 Comment
  UCD138326  Triantha occidentalis F. H. Bolster 1912-8-31 46 Placer Long Lake Valley. 1981 Comment
  UC380647  Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap Comment
  JEPS75138  Trichostema oblongum J. M. Tucker 1975-7-28 4352 Placer 6 air mi S of Soda Springs (Nevada Co.) (100 yds W of the road into The Cedars, private holding on the upper North Fork of the American River) 1798 Comment
  UCD117581  Trientalis latifolia Eric S. Ngay 1990-6-2 26 Placer Bridlevail Falls, Route 50. Comment
  UCR235378  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2012-5-11 18960 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  UCD80330  Trifolium bifidum CNPS SN Foothill Team 2005-4-26 SNFN 0183 d Placer CDPR Auburn State Recreation Area. The stand is located at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  CHSC74091  Trifolium cyathiferum Susi Urie 1998-8-11 98 -005 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SEINET4691681  Trifolium depauperatum var. depauperatum George K. Helmkamp, E. A. Helmkamp 2011-1 17154 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan. 41 Comment
  UC1585951  Trifolium depauperatum var. depauperatum Barbara Ertter with David Thompson 1989-4-9 8186 Placer 6.2 mi sw Spring Garden Rd (Auburn-Forest Hill Rd, ca 8 air mi ne of Auburn) Comment
  CDA18398  Trifolium dubium G. D. Barbe, P. Hiatt 1980-6-3 2790 Placer Sierra Nevada; Hwy 49 at Rio Oso Rd., north of Auburn, at Placer Co line/Nevada Co. line. Comment
  CDA36891  Trifolium dubium CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SD243144  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2011-4-10 17152 Placer Sacremaento Valley: along Riosa Road at the east edge of the village of Sheridan (Lincoln 7.5'Q) 41 Comment
  UCD108820  Trifolium dubium Al Franklin 1987-5-1 87 -10 Placer 1.3 miles east of I-80, on Foresthill Road, just outside Auburn. 396 Comment
  UCR218468  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2010-6-26 16389 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR250069  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20488 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  CDA37058  Trifolium glomeratum CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA36256  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2009-5-11 14677 Placer Sierra Nevada Mountains Foothills; Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn. Comment
  CDA36889  Trifolium hirtum CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CHSC114148  Trifolium hirtum G. K. Helmkamp; E. A. Helmkamp 2010-4-23 15933 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 157 Comment
  JEPS127403  Trifolium hirtum Steve Matson 2006-4-23 1599 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UC1278008  Trifolium hirtum B. Crampton 1957-5-7 3993 Placer 2 mi n Lincoln (along US Hwy 99E) Comment
  UCR257598  Trifolium hirtum George K. Helmkamp, Amy Barnes 2014-3-21 22643 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  SEINET9260873  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-1 22809 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  JEPS111308  Trifolium kingii var. productum Steve Matson 2005-7-31 1429 Placer Just north of the Tahoe Basin, along logging about 1 km east of Brockway Summit (Highway 267) 200 meters south of paved road to Martis Peak; 39.2682 N, 120.0620 W ; elevation 7,460 ft 2273 Comment
  UC1130061  Trifolium kingii var. productum B. Bolt 1934-7-17 136 Placer 1/2 mi sw Walker Mine; Truckee quad, Tahoe National Forest 1981 Comment
  SD6082  Trifolium longipes Unknown Jun 1914 Placer Cisco Comment
Read comments
Jul 11 2010
  UCD111274  Trifolium longipes R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UCD44671  Trifolium longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2037 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SEINET12147834  Trifolium longipes C. F. Sonne 1881-1 55 Placer above Coldstream Comment
  UC630808  Trifolium longipes var. hansenii A. A. Heller 1909-7-16 9860 Placer Summit 2133 Comment
  SEINET10487923  Trifolium microcephalum John M. Gillett, A. Moulds 1964-6-12 Gillett 12657 Placer Oak pine chaparal. Abundant. 10 Mi ne of auburn. Comment
  UC631285  Trifolium monanthum subsp. parvum A. A. Heller 1919-7-25 13296 Placer below Cisco (near the Yuba River) Comment
  UC148970  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-3 8737 Placer New Emigrant Gap Sierra Nevada Mtns 1645 Comment
  CAS-BOT-BC230183  Trifolium productum Kellogg No date on label s.n. Placer Cisco Comment
  OBI12652  Trifolium productum Robert F. Hoover 1967-9-5 10833 Placer Carnelian Bay, Lake Tahoe Comment
  UC147609  Trifolium repens Miss Harriet A. Walker 1908-6-27 1336 Placer Blue Canyon 1432 Comment
  UC631452  Trifolium variegatum L. S. Smith 468 Placer Squaw Valley Comment
  UCD109441  Trifolium variegatum var. geminiflorum R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UC147859  Trifolium willdenovii Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  UC450026  Trifolium wormskioldii Katharine Brandegee Aug 1911 Placer Tahoe Tavern Comment
  SBBG29894  Trillium chloropetalum C. L. Hitchcock 1906-5-7 6306 Placer ca. 1 mi W of Baxter 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
  JEPS113112  Triphysaria pusilla Lowell Ahart, Brian Williams 2007-4-13 13655 Placer On damp granite soil, margins of vernal pools and 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
  SACT002429  Trisetum canescens D. Meyer 1984-7-24 Placer Soda Springs Road 13.3 km from dam. 1454.0 Comment
  CHSC67750  Trisetum projectum James D. Jokerst 1986-7-13 2711 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  UCD94033  Trisetum projectum L. S. Smith 1914-9-14 s.n. Placer Col. Near Cisco. 1828 Comment
  UCR209731  Trisetum projectum George K. Helmkamp, E. A. Helmkamp 2009-8-12 15450 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  SACT002465  Trisetum wolfii Michael Baad 1976-8-7 Placer Junction of Bear Lake Trail with Barker Creek to the Rubicon Trail 2316.48 Comment
  CDA37059  Triteleia hyacinthina CDFA Staff s.n.