Search Results — 2000 specimen records retrieved (1625 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78091  Abies magnifica Baki Kasapligil 1974-1-19 4770 Placer Lake Tahoe Comment
  JEPS47992  Abies magnifica var. magnifica J. C. Hawver 1908-9-1 Placer Donner Comment
  SBBG10743  Acer glabrum E. R. Blakley 1960-8-3 3799 Placer 0.5 mi W of Carnelian Bay, Lake Tahoe 2011 Comment
  SCFS11529149  Acer glabrum E. Krimmel 2014-6-26 Placer Road cut Comment
  CAS-BOT-BC331005  Acer glabrum var. glabrum Dr. W. B. Stephens 1922-7-1 sn. Placer Salmon Lake Comment
  CAS-BOT-BC331007  Acer glabrum var. glabrum Alice Eastwood 1912-6-15 365 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC331011  Acer glabrum var. glabrum A. A. Heller 1917-6-19 12730 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC333262  Acer macrophyllum Marcus E. Jones 1882-6-28 3306 Placer Emigrant Gap Comment
  SD43608  Acer macrophyllum Darley F. Howe 1948-5-22 1822 Placer Placer Co 1220 Comment
  UCD164635  Acer macrophyllum Brandi Sorensen 1995-6-1 11 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCR208593  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14660 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  UCD43167  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 536 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR170827  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2005-9-30 9962 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UC1133121  Achnatherum lemmonii G. T. Nordstrom 1934-6-21 134 Placer 4 mi wnw Mammoth Springs; Tahoe Natioanl Forest, Colfax quadrangle Comment
  UC1133125  Achnatherum lemmonii B. Bolt 1934-7-3 68 Placer top of Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UCD50463  Achnatherum lemmonii G. L. Stebbins Jr. 1941-7-16 3175 Placer Rocky ledges along U.S. Highway no. 40, 1 mile west of Cisco Grove. Placer County. 1706 Comment
  SEINET3828338 Image available Achnatherum lettermanii George K. Helmcamp, E. A. Helmkamp 2012-1 18959 Placer Northern Sierra Nevada Mountians Foothills: Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road, Foresthill 7.5' Q. 1140 Comment
  SEINET232544 Image available Achnatherum nelsonii subsp. dorei Mary E. Barkworth, L Firestone 1987-8-20 4011 Placer Campground 0.7 mi south of I-80 to tahoe City; interchange at Truckee Comment
  SEINET9344569  Achnatherum occidentale Unknown 1999-7-17 15118 Placer Placer Comment
  CAS-BOT-BC210835  Achnatherum occidentale subsp. californicum L. R. Abrams 1927-9-13 12161 Placer Lincoln Highway near Emigrant Gap Comment
  CAS-BOT-BC210837  Achnatherum occidentale subsp. californicum A. A. Heller 1917-8-14 12925 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  UC682058  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3173 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UC682059  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3172 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UCD22223  Achnatherum occidentale subsp. californicum Rex Palmer 1979-6-21 N 356 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD51139  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3170 Placer along U.S. Highway no. 40, 1 mile west of Cisco Grove. 1706 Comment
  CAS-BOT-BC218038  Achnatherum stillmanii Catherine Best 1979-7-7 s.n. Placer Ca. 15 miles E of Foresthill, Big Tree Grove Comment
  SACT000023  Achnatherum stillmanii Michael Baad 1983-7-11 Placer elevation 5200' and continuing towards Black Mountain to the western edge of section 9, T.16N, R.12E 1585.0 Comment
  SD212606  Acmispon americanus var. americanus G. K. Helmkamp, Elizabeth Helmkamp 2005-9-30 9933 Placer Hampshire Rocks Road south of the I-80 Rainbow exit, ca. 2.0 miles east of Cisco Grove. 1805 Comment
  UCD103771  Acmispon americanus var. americanus R. A. Blanchard 1931-5-9 2193 Placer Roseville. Comment
  UCD103810  Acmispon americanus var. americanus A. A. Heller 1917-8-12 12872 Placer Southern Pacific reservoir west of Emigrant Gap in coarse. Comment
  UCD103928  Acmispon americanus var. americanus S. S. Smith 1916-6 752 Placer Squaw Valley. Comment
  UCD103988  Acmispon argophyllus var. fremontii Beecher Crampton 1955-6-15 2887 Placer Bunch Canyon near its base, 4.5 miles south of U.S. Highway 40, near its base, Forest Hill Road. Comment
  SEINET5327439  Acmispon nevadensis var. nevadensis P. A. Lehenbauer 1934-6-10 s.n. Placer [Sierra Nevada] Tahoe City Comment
  UCD38489  Acmispon parviflorus Beecher Crampton 1955-6-15 2918 Placer 8 miles west of Forest Hill. Comment
  UCD44511  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1877 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD95385  Aconitum columbianum L. M. Sparks 1912-8-1 32 Placer Lake Tahoe. Comment
  CAS-BOT-BC391457  Aconitum columbianum subsp. columbianum A. A. Heller 1917-8-13 12882 Placer Summit Valley 2118 Comment
  HSC32497  Aconitum columbianum subsp. columbianum A. M. Montalvo, J. D. Ackerman 1974-7-20 387 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 Comment
  CAS-BOT-BC412607  Aconogonon alaskanum Elizabeth Parsons Hawver No date on label s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC418773  Aconogonon phytolaccifolium Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UCD83596  Aconogonon phytolaccifolium Albert Grigarick 2009-8-7 165 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2171 Comment
  SCFS11529136  Adenocaulon bicolor E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Comment
  UCD69172  Adenocaulon bicolor D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon. Tahoe National Forest. Mesophytic white fir forests in Blue Canyon (Abietion lowianae Rivas-Martinez and Sanchez-Mata 1997). 1550 Comment
  JEPS44803  Adenostoma fasciculatum L. S. Smith 1932-5-11 Placer above Middle Fork American R. Forest Hill divide Comment
  RSA687746  Adiantum aleuticum May N. Ackley 1925-06 2 Placer Bear Valley Comment
  SEINET3860417 Image available Adiantum jordanii George K. Helmkamp, Mary Alice Barnes; Mary Jane Ganibe 2010-7-2 16437 Placer Sierra Nevada Mountains Foothills: Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way Colfax.; 0 415 Comment
  CDA42825  Aegilops triuncialis G. F. Hrusa, M. Pitcairn 2015-7-16 18648 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  UCD13209  Aesculus californica Charles Martin 1986-4-27 21 Placer Folsom Lake, west end of Sierra Dr. in empty lot near lake. Elev. ca. 430 ft. 131 Comment
  SEINET6646638  Aesculus glabra D. G. Cooney 1960-5-1 18 Placer East of Auburn 1372 Comment
  UC128215  Agastache urticifolia Miss Harriet A. Walker 1908-7-25 1383 Placer Cisco 1810 Comment
  CAS-BOT-BC29379  Ageratina occidentalis L. S. Smith 1925-9-13 1730 Placer Deer Park, Tahoe Forest 1950 Comment
  CAS-BOT-BC29592  Agoseris X dasycarpa M. S. Jussel 1928-6-25 s.n. Placer Tahoe Tavern 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
  UCD21684  Agoseris retrorsa Beth Lowe Corbin 1982-8-4 223 Placer 1/4 mile NW of Onion Creek campground. 1950 Comment
  CDA1687  Agropyron desertorum T. C. Fuller 1964-9-1 12574 Placer Sierra Nevada; 0.1 mile west of Blue Canyon Road, north side of Interstate 80 freeway from Donner Summit. Comment
  SACT000041  Agropyron desertorum D. Meyer 1983-8-7 Placer Hwy 267 4.64 km S of Placer County line, roadside wash 1758.0 Comment
  SEINET10909049  Agropyron pringlei A. Arthur Heller 1917-8-13 Heller 12919 Placer Ridge northwest of Donner Pass on a steep gravelly slope below a ledge of igneous rock, the neighboring forest composed of Abies magnifica. 2377 Comment
  JEPS22879  Agrostemma githago Donald E. Vermeer 1959-5-2 13 Placer on U.S. Highway 40, 5 mi w Auburn 274 Comment
  UCR201916  Agrostis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14036 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  SACT000117  Agrostis alba Josephine Van Ess 1977-8-15 Placer .25 mile downstream from bridge over Bear River on Hwy 49 365.8 Comment
  UCD51773  Agrostis avenacea Beecher Crampton 1953-5-26 1339 Placer Sunnybrook Farms, Lincoln. Comment
  SEINET3271586 Image available Agrostis capillaris George K. Helmkamp, E. A. Helmkamp 2009-7-16 15212 Placer Sierra Nevada Mountains; Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  UCD80506  Agrostis capillaris CNPS SN Foothill Team 2006-6-27 SNNR 0725 Placer Placer Land Trust, Shutamul Parcel, Bear River. 313 Comment
  CHSC74332  Agrostis exarata Susi Urie; Eric Schroder 1998-9-12 98 -370 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CHSC79875  Agrostis exarata G. F. Hrusa; J. Glazner 1999-7-18 15215 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SACT000083  Agrostis exarata D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000086  Agrostis exarata D. Meyer 1983-8-7 Placer East bank 1879.0 Comment
  SACT000098  Agrostis exarata D. Meyer 1984-6-17 Placer Ponderosa Rd South of the American River. 2.88 km from Foresthill Rd 545.0 Comment
  UCD52294  Agrostis exarata Beecher Crampton 1955-6-15 2889 Placer junction of Iowa Hill, Forest Hill road, 2.5 miles north Yankee Jim. Comment
  SACT000094  Agrostis exarata Josephine Van Ess 1976-6-11 Placer Dried streambank 27.4 Comment
  SEINET7249204  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  UCD36658  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Placer County, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  UCD42963  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 332 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET11695841  Agrostis microphylla Unknown 1957-5-7 3998 Placer 1.7 mi E of Lincoln, road to Newcastle Comment
  UCD53085  Agrostis pallens A. S. Hitchcock Date Unknown 12892 Placer Summit Station, upper limit of the yellow pine belt (P. Jeffreyi). 2121 Comment
  UCD74165  Agrostis pallens Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 199 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2190 Comment
  UCR170802  Agrostis pallens George K. Helmkamp, E. A. Helmkamp 2005-9-30 9939 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  SACT000152  Agrostis scabra D. Meyer 1983-9-10 Placer moist streambank and meadow 1879.0 Comment
  SACT000162  Agrostis scabra D. Meyer 1984-7-29 Placer South of reservoir; moist, shady north-facing slope 1612.0 Comment
  SACT000165  Agrostis scabra D. Meyer 1984-7-8 Placer Road to reservoir, roadside 1758.0 Comment
  SACT000167  Agrostis scabra D. Meyer 1984-8-12 Placer 11.2 km from French Meadows, very wet boggy area and grazed wooded area 1612.0 Comment
  UCD43004  Agrostis scabra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 373 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR146852  Agrostis scabra Beecher Crampton 1964-7-21 7120 Placer Sierra Nevada Mtns., Cisco Grove, US Hwy. 40 1723 Comment
  UCR241351  Agrostis scabra George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19812 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  CAS-BOT-BC138720  Agrostis scabra Saichi Kawahara 1969-7-19 1551 Placer Side of road, Highway 80, 500 feet south of Nevada county line. 1889 Comment
  CHSC73248  Agrostis stolonifera L. P. Janeway 1998-8-6 5976 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  RSA129605  Agrostis stolonifera B. Bolt 1934-8-14 5914 Placer E. slope of Red Star Ridge 1768 Comment
  UCD53516  Agrostis stolonifera B. Bolt 1934-8-14 s.n. Placer E. slope of Red Star Ridge. 1767 Comment
  SACT000202  Agrostis stolonifera var. major Michael Baad 1976-8-4 Placer Picayune Trail at end of Jeep road, two miles east of Talbot Camp, ne of mildred ridge 1975.0 Comment
  SACT000205  Agrostis stolonifera var. major D. Meyer 1984-8-4 Placer very wet, roadside ditch, hillside seeping water and shady. 1454.0 Comment
  SACT000207  Agrostis stolonifera var. major D. Meyer 1983-7-30 Placer 1842.0 Comment
  SACT000211  Agrostis tenuis Josephine Van Ess 1976-6-16 Placer at small stream draining from golf course. wet streambank. 48.8 Comment
  SACT000251  Agrostis variabilis Michael Baad 1983-8-11 Placer Collected 3 miles west of Alpine Meadows 2133.6 Comment
  UCD42942  Agrostis variabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 311 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD53773  Agrostis variabilis E. Wilson 1935-7-7 s.n. Placer Emigrant Gap. Comment
  UCD74171  Agrostis variabilis Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 205 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2151 Comment
  CAS-BOT-BC64488  Ailanthus altissima Elizabeth McClintock 1969-5-31 s.n. Placer E. of Auburn. Comment
  SACT000228  Aira caryophyllea D. Meyer 1983-5-15 Placer 36.6 Comment
  SD128639  Aira caryophyllea Darley F. Howe 1948-5-20 1893 Placer Four miles north of Auburn. 456 Comment
  SD43594  Aira caryophyllea Darley F. Howe 1948-5-20 Placer No further locality information given on label on specimen sheet. 456 Comment
  UC790971  Aira caryophyllea A. A. Beetle 1941-5-26 2710 Placer hillside near Cisco 914 Comment
  CAS-BOT-BC138377  Aira caryophyllea var. caryophyllea Gordon H. True 1971-4-21 6518 Placer On Roseville-Lincoln Highway ca. 5 miles north of Roseville. Comment
  CAS-BOT-BC459422  Allium acuminatum L. S. Smith 1932-5-11 2652 Placer Tahoe Forest, above Middle Fork American River, South Slope 457 Comment
  UC495488  Allium campanulatum Merle Randall 1930-6-17 Placer Big Bend Ranger Station Comment
  UC710487  Allium campanulatum Lewis S. Rose 1944-7-13 44106 Placer Chambers Lodge Lake Tahoe, Chambers Lodge 1920 Comment
  UCD18248  Allium campanulatum E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 460 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-BC464481  Allium campanulatum Carl Purdy 1933-6-1 s.n. Placer Near Mt. Lincoln, Donner Pass Comment
  CAS-BOT-BC466401  Allium campanulatum D E Breedlove 1962-6-13 3546 Placer Western bank of Lake Tahoe along State Highway 89, 8.3 miles south of Tahoe City; Sierra Nevada 1889 Comment
  UC593519  Allium obtusum E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1579 Placer Yuba Pass 1818 Comment
  UCD22044  Allium obtusum Rex Palmer 1979-6-10 N 183 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC474276  Allium obtusum var. obtusum Alice Eastwood 1912-6-15 417 Placer Five Lakes. Lake Tahoe Region Comment
  JEPS2719 Image available Allium sanbornii var. congdonii Katharine Brandegee 1908-7-18 Placer Cape Horn; ; Cape Horn, Placer Co. Comment
  SBBG64455  Allophyllum divaricatum M. N. Ackley -Jun-1925 807 Placer Gold Run 983 Comment
  UC702548  Allophyllum gilioides subsp. violaceum L. S. Rose 1941-7-9 41299 Placer Lake Tahoe, Chambers Lodge (McKinney) 2100 Comment
  SEINET11266063  Allophyllum integrifolium George Helmkamp, E. A. Helmkamp 2011-8-26 18184 Placer Norther Sierra Nevada Mountains: along Forest Hill Road, 0.4 miles of Robinson Flat (Duncan Peak 7.5 Q.); 0 2050 Comment
  SDSU4775  Alnus incana subsp. tenuifolia unknown 1948-5-22 1823 Placer 1707 Comment
  SEINET8074268  Alnus incana var. occidentalis R. N. Ell 1999-7-27 2 Placer Near Truckee River, N of Tahoe City on Rte. 89, near turnoff to Alpine Meadows Ski Area. 1881 Comment
  RSA306165  Alnus rhombifolia Fay A. MacFadden 1934-7-8 12564 Placer Bear River. Dutch Flat. Comment
  SACT002782  Alnus tenuifolia Michael Baad 1983-8-11 Placer Collected on trail from Five Lakes Basin to Whiskey Camp. 3 miles west of Alpine Meadows. Comment
  SACT002785  Alnus tenuifolia Michael Baad 1976-6-10 Placer Collected on north slope of Duncan Canyon on trail to Robinson Flat. Comment
  JEPS113248  Alopecurus saccatus Lowell Ahart, Brian Williams 2007-4-13 13660 Placer On the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  CAS-BOT-BC474750  Amaranthus hybridus James A. Neilson, Jr. 1971-8-7 2309 Placer Heavenly Valley ski lift 2118 Comment
  CAS-BOT-BC136768  Amelanchier utahensis Grant 1906-7-15 6937 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC136771  Amelanchier utahensis Julia McDonald 1914-6-1 s.n. Placer Homewood, Lake Tahoe region Comment
  UC481572 Image available Amelanchier utahensis G. W. Fetters 1929-6-20 Placer Homewood; Lake Tahoe Comment
  UCD22263  Amelanchier utahensis Rex Palmer 1979-6-8 N 112 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA39024  Amelanchier utahensis var. utahensis D. G. Kelch 2011-10-3 11 .819 Placer Tahoe City. Granlibakken Resort. Comment
  CAS-BOT-BC180675  Amorpha californica var. californica H. M. Hall; F. M. Essig 1916-6-5 10159 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada 400 Comment
  UCD103885  Amorpha californica var. californica Greg Kareofelas 2011-6-15 s.n. Placer Land belonging to Placer Land Trust. Shutamul Bear River Preserve along the Bear River N of Auburn. Along trail on the north-facing slope of the Bear River canyon. 331 Comment
  JEPS113106  Amsinckia eastwoodiae Lowell Ahart, Brian Williams 2007-4-13 13670 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln 37 Comment
  CHSC96507  Amsinckia menziesii Lowell Ahart; Brian Williams 2007-4-13 13635 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCD14396  Anagallis arvensis Cathleen Chapton 1983-5-28 41 Placer Placer Co.; along Flood Lane; 441 Comment
  RSA416591  Anaphalis margaritacea Fay A. MacFadden 1934-7-28 12681 Placer Donner Lake Comment
  UC1125511  Anaphalis margaritacea B. Bolt 1934-7-17 132 Placer Robertson Flat; Colfax Quad. 2011 Comment
Read comments Jun 18 2014
  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
  SACT000288  Andropogon virginicus Josephine Van Ess 1975-11-5 Placer Permanent stream to Linda Creek 94.5 Comment
  CAS-BOT-BC128625  Androsace occidentalis Marcus E. Jones 1884-9-29 s.n. Placer Emigrant Gap Comment
  RSA30887  Androsace occidentalis var. simplex Marcus E. Jones 1884-9-29 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC391821  Anemone drummondii Alice Eastwood 1909-1-1 308 Placer Lake Tahoe Region. Wards Pass Comment
  JEPS72335  Anemone drummondii Gladys L. Smith 1972-6-20 3266 Placer just below summit Ward Peak 2590 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
  JEPS111254  Antennaria dimorpha Steve Matson 2005-6-12 1267 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of powerline, 300 meters NW of Golf Course; 39.2981 N, 120.1258 W; Elevation 5835 ft. 1778 Comment
  SEINET11854050  Antennaria luzuloides C. F. Sonne 1885-1 Placer Tahor City Comment
  JEPS126329  Antennaria luzuloides subsp. luzuloides Steve Matson 2003-7-4 823 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267 and 900 yards west of Martis Creek. Comment
  JEPS59459  Antennaria rosea Ezra Brainerd and Viola B. Baird 1915-7-7 194 Placer (right handfork of <illegible>) Squaw Valley; Sierra Nevada Mts., Squaw Valley 2011 Comment
  JEPS111190  Antennaria rosea subsp. rosea Steve Matson 2005-7-4 1358 Placer Martis Valley, southeast of Truckee, National Recreation Area , south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; near trailhead; 39.2923 N, 120.1291 W. Elevation 5,900 ft. 1798 Comment
  CAS-BOT-BC137711  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Near Cisco. 914 Comment
  POM264542  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer near Cisco, shrubby hillside. 915 Comment
  SACT000333  Anthoxanthum odoratum Michael Baad 1983-7-10 Placer Onion Valley, 6.1 by road south of Emigrant Gap townsite, open wet meadow with Allium validum and Schoenolinum. 1524.0 Comment
  UCD127201  Anthriscus caucalis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 -B Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  JEPS5182  Antirrhinum vexillocalyculatum subsp. intermedium Rimo Bacigalupi 1951-7-20 3891 Placer 2 mi e Forest Hill (Volcano Creek, overlooking the Middle Fork canyon of the American River); Volcano Creek 762 Comment
  CDA14416  Aphanes occidentalis D. Joley 1995-5-12 Placer Dry Creek Road, I-80 east of Auburn near Applegate. 0 Comment
  JEPS126310  Apocynum androsaemifolium Steve Matson Aug, 1997 96 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. Comment
  RSA463209  Aquilegia formosa J. H. Nishida 1985-7-10 782 Placer Homewood. 1829 Comment
  SEINET4560765  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2010-1 16651 Placer Northern Sierra Nevada Mountains; Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill. 1384 Comment
  UC853791  Aquilegia formosa Marcus E. Jones 1882-6-28 2614 Placer Emigrant Gap Comment
Read comments Sep 7 2010
  CAS-BOT-BC397906  Aquilegia formosa Alice Eastwood 1909-8-1 19 Placer Sunnyside Comment
  CDA34484  Arabidopsis thaliana R. A. Price 2010-4-16 1711 Placer Horton Iris Farms, in the vicinity of Loomis. 0 Comment
  UCD114099  Arabidopsis thaliana Barbara Ertter; David Thompson 1989-4-9 8196 Placer Halfway down road to Lake Clementine (=North Fork Lake) NE of Auburn. 304 Comment
  SEINET2470948  Arabis holboellii var. retrofracta K. Christie 2010-7-8 1889 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73, just to the northeast of Painted Rock. 2255 Comment
  CDA16805  Arabis platysperma G. F. Hrusa, J. Glazner 2001-7-15 15944 Placer Sierra Nevada; Near summit of Crows Nest Pk. immed. W of Sugarbowl. 2346 Comment
  CDA15953  Arabis rectissima G. F. Hrusa, J. Glazner 1999-7-17 15139 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET12616242  Arabis rigidissima K. Christie 2011-8-30 2082 Placer Lake Tahoe Basin Management Unit (LTBMU); from Brockway Summit, ca. 2.0 mi. east along forest service road towards Martis Peak; ca. 1.25 mi. southwest of Martis Peak. Comment
  SEINET8892816  Arabis rigidissima K. Christie 2011-1 2082 Placer Lake Tahoe Basin Management Unit (LTBMU); from Brockway Summit, ca. 2.0 mi. east along forest service road towards Martis Peak; ca. 1.25 mi. southwest of Martis Peak. 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-BC409995  Arceuthobium campylopodum Lowell Ahart 1972-6-28 s.n. Placer French Meadows 1524 Comment
  UC336862  Arceuthobium campylopodum Lemmon 1886-1 Placer Auburn Comment
  UCD22001  Arceuthobium douglasii Rex Palmer 1979-5-27 N 84 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21476  Arctostaphylos Rex Palmer 1979-5-26 N 11 Placer Headwaters basin area of the North Fork of the American River. 2011 Comment
  POM76766  Arctostaphylos mewukka Marcus E. Jones 1900-7-10 s.n. Placer Colfax Comment
  CAS-BOT-BC40042  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
  RSA256999  Arctostaphylos nevadensis Gary D. Wallace 1974-12-27 1374 Placer Near Lake Tahoe on the outskirts of Homewood. 1905 Comment
  UC480734  Arctostaphylos nevadensis W. C. Blasdale 1923-7-13 Placer top of peak Lake Tahoe Region, Ellis Peak Comment
  CAS-BOT-BC40046  Arctostaphylos nevadensis Sachs 1922-7-1 s.n. Placer Placer Comment
  RSA121256  Arctostaphylos nevadensis N. H. French 1934-6-1 397 Placer N Fork of N Fork of American River 1250 Comment
  UCD164014  Arctostaphylos nissenana Jeff Bisbee 2016-2-10 1209 Placer Mosquito Ridge Rd., 20 m east of mile marker 19 and 15 m south of the road, below large turnout, adjacent to Rd. 12. North rim of the Middle Fork of the American River. 1267 Comment
  CAS-BOT-BC42148  Arctostaphylos patula C. Hart Merriam 1911-11-5 s.n. Placer West slope Sierra Nevada near Alta Station (CPRR) Comment
  UCD21474  Arctostaphylos patula Rex Palmer 1979-5-26 N 1 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  UCSB57988  Arctostaphylos patula Wallace, Gary; Thorne, Robert; DeBuhr, L.; Tatsuno, A. 1975-4-13 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can.; T6N, R11E, Sec. 31 1207 Comment
  UCD22389  Arctostaphylos uva-ursi Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1301 Placer Gold Run rest area along Hwy 80, just before exit to Dutch Flat. 762 Comment
  UCD52816  Arctostaphylos viscida D. H. Hartmann 1941-10-11 s.n. Placer 4 mi. west of Auburn. Comment
  SEINET7268722  Arctostaphylos viscida C. Bell 1962-3-17 37 Placer 2 miles east of Auburn, above north fork of American River 244 Comment
  RSA123205  Arctostaphylos viscida subsp. viscida N. H. French 1933-8-24 94 Placer Mosquito Ridge. 1524 Comment
  RSA637015  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24918 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  UC484000  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1930-10-11 1733 Placer near Alta 1127 Comment
  UC674747  Arctostaphylos viscida subsp. viscida C. H. Merriam 1911-11-4 Placer Colfax Comment
  POM285556  Arenaria congesta Lyman Benson 1933-6-26 4531 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  UC120409  Arenaria congesta var. suffrutescens T. S. Brandegee June 1870 Placer Cisco Comment
  UC852269  Arenaria congesta var. suffrutescens Lewis S. Rose 1940-5-29 40416 Placer 3 mi ne Emigrant Gap 1676 Comment
  UC852450  Arenaria congesta var. suffrutescens A. A. Heller 1917-6-19 12741 Placer Emigrant Gap 1615 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
  SEINET11695830  Aristida oligantha Unknown 1961-9-27 5995 Placer 1 mi W of Auburn, along US 40 Comment
  UCD159404  Arnica chamissonis D. S. Park 2010-7-7 175 Placer Along N Lake Blvd. Bike trail near Lake Tahoe. Recent Fire. 1900 Comment
  UCD44624  Arnica chamissonis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1990 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC82205  Arnica chamissonis Le Roy Abrams 1911-7-27 4781 Placer Lake Valley 1950 Comment
  CAS-BOT-BC82212  Arnica chamissonis John Thomas Howell 1925-7-5 1385 Placer Armstrong's, Emerald Bay, Lake Tahoe 1889 Comment
  UC193450  Arnica cordifolia C. F. Sonne 1885-5-17 Placer On road to Tahoe near old Shingle Mill, at Squaw Creek Comment
  JEPS71775  Arnica cordifolia Gladys L. Smith 1972-6-18 3154 Placer woods above Alpine Meadows 2133 Comment
  CAS-BOT-BC85175  Arnica mollis Arnold Tiehm 1974-8-8 5201 Placer Sierra Nevada, Murphy's Meadow 2407 Comment
  UC159242  Arnica mollis Miss Harriet A. Walker 1910-6-18 2020 Placer on road to Deer Park 1981 Comment
  UCD83640  Arnica mollis Albert Grigarick 2009-9-10 193 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  JEPS20971  Arnica nevadensis C. F. Sonne 1888-8-12 190 Placer near Truckee; Sierra Nevada Mountains Comment
  CDA15641  Arnica parryi G. F. Hrusa, J. Glazner 1999-7-18 15209 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS22812  Artemisia arbuscula A. A. Heller 1917-8-13 Placer ridge nw of Donner Pass 2346 Comment
  JEPS72586  Artemisia arbuscula Gladys L. Smith 1972-6-20 3199 Placer about terminus of summit chairlift Ward Peak 2621 Comment
  UC1190075  Artemisia arbuscula George H. Ward and Ann Ward 1949-9-12 948 Placer ca. 8 mi n of Tahoe City (along Truckee River); Truckee River Comment
  CAS-BOT-BC90713  Artemisia ludoviciana subsp. incompta C. F. Sonne 1887-8-7 s.n. Placer Mts. above Coldstream Comment
  CAS-BOT-BC90714  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer Base of a cliff north of Summit hotel 2164 Comment
  UC193589  Artemisia ludoviciana subsp. incompta C. F. Sonne 1887-8-7 Placer mts. above Coldstream Comment
  SJSU8171  Artemisia ludoviciana subsp. ludoviciana H. T. Harvey 1958-8-19 Placer Sugar Bowl 1 mi S of Donner summit 2164 Comment
  SACT000349  Arundo donax D. Meyer 1984-5-28 Placer 48.5 Comment
  UC849086  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
Read comments Apr 7 2018
  SDSU2521  Asclepias cordifolia D. R. Harvey 1960-5-29 Placer Near Forest Hill Comment
  UCD121247  Asclepias cordifolia John F. Addicott 1965-5-15 83 Placer 2 miles from Colfax on road to Owl Hill. 548 Comment
  UCD121253  Asclepias cordifolia Al Franklin 1987-5-1 87 -7 Placer 1.3 miles east of I-80 on Foresthill Road, just outside Auburn, east side of N. Fork American River Canyon. 396 Comment
  RSA331972  Asclepias cordifolia W. Wisura 1985-6-1 4051 Placer Nayak, near Emigrant Gap, along dead end rd. to railway siding, on rocks. Comment
  UCR258169  Asclepias fascicularis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20051 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  SCFS1003  Asclepias speciosa E. Krimmel 2014-6-26 Placer Edge of Soda Springs road, across from Cedars driveway Comment
  SBBG58649  Asclepias speciosa E. Rockwell -Aug-1918 12 Placer Ladds Springs, American River 1219 Comment
  SCFS11529135  Aspidotis densa E. Krimmel, F. Felix 2012-9-13 Placer NFAm, on trail. Tucked around rocks in shallow ravine. Comment
  CAS-BOT-BC99270  Aster Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows - Sierra Nevada 1600 Comment
  CAS-BOT-BC99220  Aster Peter Rubtzoff 1976-9-18 8844 Placer Lake Van Norden, south side of lake - Sierra Nevada 2063 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
  POM58879  Aster integrifolius C. F. Sonne 1897-08 12382 Placer Canyons above Coldstream Comment
  CAS-BOT-BC177512  Astragalus austiniae Sherman Chickering 1982-7-13 s.n. Placer Summit of Tinkers Knob, south of Donner Summit 2743 Comment
  JEPS127432  Astragalus cicer Steve Matson 2003-8-15 910 Placer nSNH north Lake Tahoe; Dollar Hill 3 miles east if Tahoe City. Comment
  JEPS127426  Astragalus purshii var. tinctus Steve Matson 1998-5-17 202 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area north of Highway 267. Comment
  SD9322  Athyrium distentifolium C. F. Sonne Aug 1897 Placer East slope Mt. Anderson 2590 Comment
  RSA692528  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1953-1 4943 Placer [no locality information provided] Comment
  CAS-BOT-BC66086  Athyrium filix-femina var. cyclosorum M. N. Ackley 1926-6-1 71 Placer Bear Valley, Sierra Nevada 1371 Comment
  CAS-BOT-BC66087  Athyrium filix-femina var. cyclosorum Saichi Kawahara 1969-5-25 885 Placer just north of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SDSU6483  Balsamorhiza deltoidea D. F. Howe 1948-5-23 1859 Placer American River. 305 Comment
  RSA126308  Balsamorhiza sagittata John H. Thomas, Hazelle A. Thomas 1956-7-21 6090 Placer Sierra Nevada, Vicinity of Donner Pass, 80 miles NE of Sacramento 2134 Comment
  UC893858  Balsamorhiza sagittata Alice Eastwood Jun 15 1912-Jun 19 1912 363 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC16553  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  CAS-BOT-BC16554  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  CAS-BOT-BC438815  Barbarea orthoceras George K. Helmkamp; Mary Alice Barnes 2013-4-18 20349 Placer Foothills, northern Sierra Nevada Mountains: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax. 561 Comment
  CHSC74209  Barbarea orthoceras Susi Urie 1998-9-4 98 -261 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC75540  Berberis dictyota Mrs. J. C. Hawver 1913-3-28 s.n. Placer Auburn. 365 Comment
  JEPS47760  Berberis pinnata unknown 1884-1 Placer Auburn Comment
Read comments Jul 10 2007
  UCR253810  Bidens frondosa George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20105 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  UCD38380  Blennosperma nanum B. Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  UCD22349  Boechera breweri Rex Palmer 1979-6-21 N 388 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC16272  Boechera howellii John F. Emmel 1971-7-11 377 Placer 0.3 air mile east of east side of Lake Mary, between Donner Pass and Mount Judah. 2286 Comment
  UC178951  Boechera platysperma Katharine Brandegee Jul 1908 Placer near Cisco Comment
  CAS-BOT-BC25791  Boechera stricta A. A. Heller 1919-7-26 13319 Placer Donner Pass. 2194 Comment
  JEPS109849  Boechera suffrutescens Dean W. Taylor 2005-7-15 19408 Placer Martis Peak, western flank near headwaters Monte Carlo Creek, Truckee River watershed 2164 Comment
  CAS-BOT-BC418413  Boykinia occidentalis F. A. Mac Fadden 1934-7-1 12581 Placer Canyon Creek, Monte Vista Comment
  POM92046  Boykinia occidentalis Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UC11307  Boykinia occidentalis Mrs. M. M. Hardy 1893-1 Placer Comment
  SACT000435  Brachypodium distachyon Michael Baad 1976-6-3 Placer 1.1 miles east of North Fork of American River Bridge; southwest facing slopes; red igneous rock 217.9 Comment
  SEINET5340929  Brassica rapa C. Fitz 1959-3-5 s.n. Placer Near Auburn, Hw. 40, profuse in fields and orchards. 396 Comment
  SD243074  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17015 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road (Between CA-49 and new Foresthill Road), 1.8 miles northeast of junction with CA-49 (Auburn 7.5'Q) 249 Comment
  UCR231884  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17015 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road (between CA-49 and new Foresthill Rd), 1.8 miles northeast of junction with CA-49 250 Comment
  CDA36988  Briza minor CDFA Staff s.n. Placer Dry Creek. 0 Comment
  SACT000474  Briza minor Josephine Van Ess 1976-3-16 Placer Collected at intersection; gravel slope 91.5 Comment
  RSA670113  Brodiaea coronaria Regina Putman 1997-4-19 5 Placer City of Rocklin, in grassy field N of Toys-R-Us. 70 m W of the end of Five Star Blvd. 67 Comment
  UC194939  Brodiaea elegans subsp. elegans H. M. Hall 1916-6-21 10217 Placer below Applegate; Sierra Nevada Mountains, Lake Theodore Comment
  SACT000483  Bromus arenarius Michael Baad 1977-6-8 Placer 1570.6 Comment
  SACT000387  Bromus carinatus D. Meyer 1984-7-8 Placer very moist streambank, beneath bridge. 1440.0 Comment
  SACT000390  Bromus carinatus James Grove 1977-7-5 Placer 2000.0 Comment
  UC1131047  Bromus carinatus var. carinatus B. Bolt 1934-7-3 Placer top of Sawtooth Ridge Sawtooth Ridge 1219 Comment
  UCD22239  Bromus carinatus var. carinatus Rex Palmer 1979-7-26 N 817 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22242  Bromus carinatus var. carinatus Rex Palmer 1979-7-9 N 448 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD59138  Bromus carinatus var. marginatus L. S. Smith 1928-7-15 XSV Placer Squaw Valley. 1828 Comment
  UCD59148  Bromus carinatus var. marginatus L. S. Smith 1916-6-18 533 Placer Squaw Valley. Comment
  SACT000519  Bromus diandrus D. Meyer 1983-6-5 Placer 982.98 Comment
  UCD59464  Bromus diandrus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  CAS-BOT-BC155602  Bromus grandis G. L. Stebbins, Jr.; R. Bacigalupi; F. Ehrendorfer; J. Hunziker; H. Stutz; D. Zohary 1952-7-20 5132 Placer Along North branch of Middle Fork of American River, at road crossing east of Forest Hill. Comment
  SD255609  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-3-21 22641 Placer Sacramento Valley: Sherican, Riosa Road at the west side of its junction with old CA-65 (Sheridan 7.5'Q) 32 Comment
  UCR176281  Bromus hordeaceus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10430 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR258237  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2013-3-28 20236 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  SEINET4399678  Bromus hordeaceus W. D. Billings 1940-5-18 1312 Placer Gold Run Comment
  SACT000569  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  CAS-BOT-BC155328  Bromus laevipes A. A. Beetle 1941-5-26 2726 Placer Near Cisco. 914 Comment
  SACT000559  Bromus laevipes Michael Baad 1977-6-8 Placer on the road between Forest Hill and French Meadows, roadside in serpentin-chaparral community Comment
  SACT000595  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Garden Bar Rd. collected in woodland area. Shaded slope. Heads nodding. Comment
  SACT000597  Bromus laevipes D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Rd 978.0 Comment
  SACT000600  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Comment
  SEINET10520254  Bromus laevipes Alan A. Beetle 1941-5-26 Beetle 2726 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Festuca pacifica, megalura, Bromus rigidus. 914 Comment
  SACT000632  Bromus madritensis D. Meyer 1983-6-18 Placer Moist roadside stream 667.0 Comment
  UCD58996  Bromus madritensis August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  SACT000694  Bromus marginatus D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT000698  Bromus marginatus D. Meyer 1984-7-21 Placer moist roadside ditch and pine wooded area, dense shade 1927.0 Comment
  CAS-BOT-BC162166  Bromus orcuttianus L. S. Smith 1925-9-10 1727 Placer Tahoe Forest. Near Emigrant Gap. 1524 Comment
  SACT000623  Bromus orcuttianus Michael Baad 1983-7-15 Placer 1 mile east of junction with road tp Brushy Springs Station, open black oak, poderosa pine forest 1524.0 Comment
  SBBG26324  Bromus orcuttianus B. Crampton 1964-7-21 Placer Blue Cyn 1430 Comment
  UC1162317  Bromus orcuttianus R. F. Hoover 1967-9-7 10858 Placer Antone Meadow Comment
  UCD34880  Bromus orcuttianus Beecher Crampton 1964-7-9 7107 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  SD43593  Bromus racemosus D. F. Howe 1948-5-20 Placer 456 Comment
  CDA36963  Bromus tectorum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD43041  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 410 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET9097828  Calandrinia ciliata var. menziesii L. Smith 1979-4-12 s.n. Placer Penryn, 0.75 NE on Sisley Road off of Taylor Road, 2 feet from road. Comment
  CHSC72323  Calliscirpus brachythrix L. P. Janeway 1998-9-18 6344 Placer Small meadow just below the Pacific Crest Trail about 2.4 mi north of Barker Pass; draining into North Fork Blackwood Creek. 2331 Comment
  JEPS126347  Callitriche heterophylla var. bolanderi Steve Matson 2003-9-6 956 Placer nSNH: Truckee River watershed, SW of Truckee; Alpine Meadows Ski Area, bowl south of Estelle Bowl. Comment
  UCSB46165  Callitriche marginata Reisentz, Paul 1979-5-11 Placer on Highway 65; 1 mile south of Sheridan Comment
  UC1479607  Calocedrus decurrens Roy Y. Berg 1965-1-10 RYB 8371 Placer 2 mi w of junction with Hwy. 40 Hwy 20; Emigrant Gap Area Comment
  UCD132878  Calocedrus decurrens G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11211 Placer Northern Sierra Nevada Mtns foothills; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  UCD162759  Calocedrus decurrens Dylan O. Burge; J. Bisbee 2014-5-25 1638 Placer Soda Springs Road. 2009 Comment
  UCR146860  Calocedrus decurrens Beecher Crampton 1960-11-2 5798 Placer Sierra Nevada Mountains, town of Gold Run 976 Comment
  CAS-BOT-BC438817  Calochortus albus George K. Helmkamp; Mary Alice Barnes 2013-4-18 20358 Placer Northern Sierra Nevada Mtns Foothills: Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar. 512 Comment
  HSC95803  Calochortus albus Kevin Thomas 2004-4-10 19 Placer Mt. Diablo Meridian, Newcastle Comment
  UCR191104  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12327 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  SCFS1106  Calochortus minimus E. Krimmel 2013-6-2 Placer Near pond at top of Foresthill Road, near Am. River gorge overlook Comment
  SEINET4169895  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer ca. 1 mile west of Baxter Comment
  UC843674  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer ca 1 mi w Baxter Comment
  UCD139566  Calochortus monophyllus J. L. Wirka 1995-5-19 s.n. Placer approximately one from the trailhead of the Steven's Trail that descends the north fork of the American River Canyon outside of Colfax south of 1-80. 400 Comment
  SEINET12045761  Calochortus monophyllus L. Constance, Morrison, J. L. 1938-1 2172 Placer E edge of Applegate, Sierra Nevada foothills 610 Comment
  UCD19196  Calochortus monophyllus Heidi Pedersen; PLB 102 1987-5-23 22 Placer ca. 10 mi. past Forest Hill on Mosquito Ridge Rd. 466 Comment
  SEINET3364434 Image available Calochortus nudus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap Comment
  SD62151  Calochortus nudus Darley F. Howe 1965-5-21 Placer Canyon on south side of north fork of American River, between Forest Hill and Yankee Jims. 914 Comment
  CAS-BOT-BC270648  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer 0.3 mile N of Weimar P.O. 685 Comment
  JEPS7095  Calycadenia multiglandulosa Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Howard Stutz, Alex D. Hawkes, Juan Hunziker, 1952-7-19 3849 Placer about 1 1/2 mi n of (and below) Colfax (on grade along road to Iowa Hill, n slope of the canyon of the North Fork of the American River); North Fork of the American River Comment
  RSA6259  Calycadenia multiglandulosa subsp. bicolor D. D. Keck 1932-6-30 1588 Placer 0.3 miles north of Weimar P. O.; Sierra Nevada. 686 Comment
  SBBG1921  Calyptridium monospermum E. R. Blakley 1960-9-4 3823 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  UC852139  Calyptridium monospermum S. P. Rixford 1915-7-10 Placer Cisco Comment
  SBBG69695  Calyptridium umbellatum A. A. Heller 1927-8-16 14448 Placer near summit of Donner Pass 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
  SEINET7125892  Calystegia macrostegia A. Beninghoff 1930-4-20 2625 Placer Newcastle Comment
  CHSC114930  Calystegia occidentalis subsp. fulcrata Dale Woods 2010-8-12 Placer Finning Mill Road. One mile more or less to Hughes Mill. Road bank. Comment
  UCD126172  Calystegia occidentalis subsp. occidentalis G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10706 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
  UCD21723  Calystegia occidentalis subsp. occidentalis Robin McMaster 1973-6-3 430 Placer Off highway, near Weimer. Comment
  SEINET10880650 Image available Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff; K. Van Zuuk; Barbara J. Ertter 2012-6-12 Brummitt 22047 Placer Tahoe National Forest, 3 mi NE of Foresthill, on Western States Trail, ca. 1 mi from Michigan Bluff Road. 1091 Comment
  UC1965415  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22053 Placer Tahoe National Forest, 7.5 miles NE of Forest Hill, on Finning Mill Road 5.6 miles from Forest Hill Divide Road Comment
  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
  UCD150572  Camassia leichtlinii subsp. suksdorfii James A. Neilson Jr. 1971-7-6 2179 Placer Tahoe Basin, Lower Ward Creek, plot #82. 1905 Comment
  JEPS124665 Image available Camassia leichtlinii subsp. suksdorfii Laurie Hooker 1965-6-27 25 Placer 3.7 miles past Montreal Road So on Hi 89. Meadow at left road. Comment
  CAS-BOT-BC267278  Campanula Nell E. Flattery; Mary P. Wells 1980-9-12 s.n. Placer Garden escape, Poineer Way, Tahoe City 1981 Comment
  RSA750421  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2008-9-15 14114 Placer along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  SEINET4691669  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-1 16783 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. 1552 Comment
  UCR200865  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2008-9-15 14114 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  SEINET10463032  Campanula prenanthoides Carpenter Carpenter s.n. Placer 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
  CDA33661  Cardamine breweri Dale Woods 2010-7-21 Placer Southwest corner of Squaw Valley Road and Hwy 89, between area park/soccer field and road. Comment
  UCD75767  Cardamine breweri Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5239 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
  CHSC72871  Cardamine breweri var. breweri L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5760 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD22363  Cardamine cordifolia Beth Lowe Corbin 1982-8-19 381 Placer 1 3/4 miles SSW of The Cedars. Partial sun. Common. NE facing slope, 25% incline. In shallow stream in logged whtie fir forest. Flowers white. 1950 Comment
  CDA19544  Cardamine hirsuta M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 225 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  CDA3740  Cardaria pubescens T. C. Fuller 1964-9-1 12570 Placer Sierra Nevada; Sierra Nevada. N side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  CDA11985  Carex G. F. Hrusa 1995-5-2 12166 Placer Sierra Nevada; Approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCD18263  Carex E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 475 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
  JEPS99468  Carex amplifolia Steve Matson Jul 2001 494 Placer near junction of gas line forest service road and Griff Creek Tahoe Basin, Griff Creek watershed Comment
  UCSB63803  Carex angustata Janeway, L.; Schroder, Eric; Murrell, Katherine 1998-7-15 Placer T14N, R13E, NW1/4 of NW1/4 of sec. 35; Homewood quad.; north side of Blackwood Creek; 1.7 mi. west of LakeTahoe 1938 Comment
  SDSU11602  Carex angustata D. F. Howe 1971-7-2 4758 Placer Near Lake Tahoe 1829 Comment
  UCD44715  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2081 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC74713  Carex athrostachya Susi Urie 1998-9-4 98 -264 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CHSC84746  Carex athrostachya L. P. Janeway; B. Castro 2003-8-23 7967 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  UCD42857  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 224 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC19395  Carex bolanderi Marcus E. Jones 1882-6-29 3535 Placer Emigrant Gap. Comment
  UCD149401  Carex bolanderi G. Ledyard Stebbins 1976-7-4 7684 Placer Spring Hollow, E of Little Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS109406  Carex davyi D. W. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada State Line in the headwaters of Juniper Creek. Comment
  CAS-BOT-BC34438  Carex deflexa var. boottii Lewis S. Rose 1944-7-26 44270 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CAS-BOT-BC20582  Carex douglasii W. R. Dudley 1893-6-7 s.n. Placer By railroad west of Truckee. Comment
  CAS-BOT-BC20168  Carex filifolia var. erostrata Marcus E. Jones 1882-6-18 s.n. Placer Emigrant Gap. Comment
  OBI6445  Carex fracta Robert F. Hoover 1967-9-7 10853 Placer Antone Meadow Comment
  CAS-BOT-BC20685  Carex fracta T. C. Fuller 1964-9-1 12571 Placer Sierra Nevada. N of freeway Interstate 80 from Donner Summit, just E of Hampshire Rocks. 1828 Comment
  CHSC110728  Carex hoodii Dean Wm. Taylor 2010-8-10 20991 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 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
  UCD140404  Carex integra Mrs. H. P. Kelley 1915-6-18 s.n. Placer Squaw Valley. Lake Tahoe Region. Comment
  CAS-BOT-BC35550  Carex jonesii John Thomas Howell 1938-8-2 14000 Placer 5 miles north of Brockway Comment
  UCD149406  Carex laeviculmis G. Ledyard Stebbins 1976-7-4 7685 Placer Spring Hollow, E of Little Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1729930  Carex lenticularis var. lipocarpa L. P. Janeway 1998-8-6 5979 Placer 1.7 mi w of Lake Tahoe (n side of Blackwood Creek, Homewood Quadrangle); Blackwood Creek, Homewood Quadrangle 1938 Comment
  SEINET10715385  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-25 Rose 44241 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  UC1133401  Carex luzulifolia L. S. Smith 1927-8-12 Placer Squaw Peak and Upper Basin 2438 Comment
  UC143645  Carex luzulifolia A. A. Heller 1903-8-17 7187 Placer Donner Pass, above 2286 Comment
  NY11289  Carex luzulifolia var. strobilantha A. A. Heller 1903-8-17 7187 Placer Above Donner Pass 2286.0 Comment
  UCD43337  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 705 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET13390554  Carex multicostata M. J. Williams 1985-7-6 85- 63 -3 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits. Comment
  CAS-BOT-BC119849  Carex nebrascensis John H. Thomas; A. Thomas 1956-7-21 6175 Placer Sierra Nevada, vicinity of Donner Pass, ca 80 mi NE of Sacramento. 2377 Comment
  CHSC72893  Carex nebrascensis L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5761 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
  CHSC74298  Carex nebrascensis Susi Urie 1998-8-29 98 -153 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  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
  SD480  Carex nebrascensis Jun 1915 73 Placer Donner. Comment
  SEINET7568687 Image available Carex nebrascensis L. P. Janeway 2004-8-18 8247 Placer Homewood 7.5' quad. Northern High Sierra Nevada, between Blackwood Canyon Road and Blackwood Creek 2.7 km west from Hwy 89 and west shore of Lake Tahoe. 1945 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
  JEPS14034  Carex nudata Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Juan Hunziker, Alex Hawkes, ... 1952-7-19 3851 Placer 1/2 mi above bridge on Iowa Hill to Colfax road (below Cape Horn on the S.P. RR); North Fork of the American River 381 Comment
  UCD75692  Carex pachycarpa Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5141 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CDA16984  Carex pellita G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16037 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC74292  Carex pellita Susi Urie 1998-9-1 98 -188 Placer Lake Tahoe Basin Management Unit, National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  RSA43382  Carex pellita J. T. Howell 1943-7-22 18715 Placer Summit Valley. 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
  RSA22157  Carex pellita J. T. Howell 1938-8-2 13998 Placer 5 miles north of Brockway. Comment
  CHSC74013  Carex praegracilis Susi Urie 1998-8-18 98 -077 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC118612  Carex raynoldsii Edward W. Colson 1976-7-6 8719 Placer Lake Van Norden 2063 Comment
  UCD21843  Carex rossii Rex Palmer 1979-6-21 N 361 Placer Headwaters basin area of the North Fork of the American River 2255 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
  CHSC84701  Carex scopulorum var. bracteosa L. P. Janeway; B. Castro 2003-8-24 7969 Placer Northern High Sierra Nevada. Small meadow just below the Pacific Crest Trail 2.1 km (air) north of Barker Pass; head of small drainage into North Fork Blackwood Creek. 2365 Comment
  CAS-BOT-BC117445  Carex senta Alice Eastwood; John Thomas Howell 1937-5-8 4362 Placer Between Newcastle and Penryn. Comment
  SEINET7575126 Image available Carex senta Alice Eastwood, John Thomas Howell 1937-5-8 4362 Placer Between Newcastle and Penryn. Comment
  SEINET13713332  Carex specifica M. J. Williams, E. McPherson, A. Tiehm 1974-8-8 74 -PL-42 Placer [Sierra Nevada] Juniper Creek, just over Nevada County line. 2316 Comment
  UCD42989  Carex spectabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 358 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC116995  Carex straminiformis A. A. Heller 1917-8-14 12927 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  CHSC68064  Carex subfusca James D. Jokerst 1986-7-12 2693 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
  CHSC73339  Carex subfusca L. P. Janeway; Eric Schroder 1998-9-16 6337 Placer Lake Tahoe Basin Management Unit. Small meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  CHSC74137  Carex subfusca Susi Urie 1998-8-11 98 -013 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
  SEINET8574130 Image available Carex subfusca Unknown 2010-1 25307 Placer Comment
  UCD43295  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 663 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR121490  Carex subfusca George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5022 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC116559  Carex subfusca Thomas Morley 1940-10-20 82 Placer SE side of Tinker Knob. 2651 Comment
  SEINET7486527 Image available Carex subfusca Peter F. Zika 2010-8-10 25307 Placer above E shore of Truckee River, Route 89, 12 air km NE of , northern Sierra Nevada Highlands (n SNH) 1810 Comment
  CAS-BOT-BC115398  Carex utriculata L. S. Smith 1927-8-11 2201 Placer Squaw Valley 1889 Comment
  CHSC74315  Carex utriculata Susi Urie 1998-9-3 98 -225 Placer Lake Tahoe Basin Management Unit. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CHSC74316  Carex vesicaria Susi Urie 1998-9-4 98 -263 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  JEPS63633  Carex vesicaria W. L. Jepson 1918-7-30 7735 Placer near Tahoe City; Lake Tahoe 1920 Comment
  RSA43289  Carex whitneyi L. S. Rose 1944-7-13 44111 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UCD74112  Carex whitneyi Jennifer W. Burt 2005-7-13 3 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1928 Comment
  SD3558  Cassiope mertensiana C. F. Sonne 1897-8-14 Placer Truckee, east slope of Mt. Anderson. Comment
  SACT002848  Castanea sativa Josephine Van Ess 1977-6-9 Placer Collected at Teagarden homesite near Mount Vernon Road. Long abandoned planting, now pasture. 353.7 Comment
  SACT002856  Castanopsis sempervirens Josephine Van Ess 1980-7-23 Placer Grove of Sierra Redwoods. Collected along nature trail in park. Low shrub. Open area in forest. Comment
  SCFS11529121  Castilleja E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UCD21858  Castilleja Rex Palmer 1979-6-19 N 234 Placer Exact location unknown. Comment
  UCD21859  Castilleja Rex Palmer 1979-7-12 N 616 Placer Exact location unknown. Comment
  UCD21862  Castilleja Rex Palmer 1979-6-20 N 341 Placer Exact location unknown. Comment
  UC962100  Castilleja affinis subsp. affinis Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4011 Placer s of Auburn (near bridge on Rt 49); North Fork American River 213 Comment
  CDA19534  Castilleja applegatei M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 247 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-BC249703  Castilleja applegatei subsp. pinetorum Alice Eastwood 1909-1-1 250 Placer Lake Tahoe Region, Deer Park Comment
  SEINET13737416  Castilleja attenuata A. Beninghoff 1930-4-19 2864 Placer Newcastle. Comment
  SEINET13773067  Castilleja exserta D. F. Erskine 1941-4-26 5 Placer 2 miles E of Roseville. 76 Comment
  UCR253124  Castilleja foliolosa George K. Helmkamp, Amy Barnes 2014-4-23 22822 Placer Sierra Nevada Mountains Foothills, Foresthill Road, 0.6 mile northeast of Grizzly Bear House, c. 2 miles NE of Lake Clementine Rd, 0.57 mi. SW of Upper Lake Clementine Rd 526 Comment
  UC128268  Castilleja lacera Miss Harriet A. Walker 1908-7-28 1476 Placer near big bend in Yuba River (Cisco); Cisco Comment
  SD237608  Castilleja lineariloba G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15915 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mile north of the American River crossing (Pilot Hill 7.5'Q) 199 Comment
  UC518950  Castilleja lineariloba David D. Keck 1933-5-31 2426 Placer just s Auburn (on road to Roseville) 304 Comment
  JEPS9774  Castilleja miniata W. L. Jepson 1918-7-30 7731 Placer Tahoe; Lake Tahoe 1920 Comment
  RSA448749  Castilleja miniata Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC198547  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  CHSC74269  Castilleja miniata subsp. miniata Susi Urie 1998-8-29 98 -152 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  JEPS86492  Castilleja nana L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6574 Placer ca 5 mi se Donner Lake (Sherman Chickering's Soda Springs holdings, Chickering houses); Sherman Chickering's Soda Springs 2377 Comment
  UC103492  Castilleja nana C. F. Sonne Jun 1897 Placer above Summit; Sierra Nevada Mountains Comment
  UCD162555  Castilleja pilosa Steve Matson 1998-6-14 242 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 300 meters north of Highway 267, west of vernal pools in old gravel depression. 1780 Comment
  HSC30730  Castilleja pruinosa Thomas W. Nelson, James Nelson 1974-6-17 1365 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer/Nevada Co. line Comment
  JEPS8663  Castilleja pruinosa Rimo Bacigalupi with G. Ledyard, Stebbins, Alex D. Hawkes, Juan Hunsiker, Daniel Zohary et al. 1952-7-20 3889 Placer ridge between Volcano Creek (Middle Fork American River and) Shirttail Creek (North Fork American River) (along Baker Divide, near junction of road from Iowa Hill Shirttail Creek with. . .); Baker Divide 1188 Comment
  JEPS88839  Castilleja subinclusa subsp. subinclusa T. I. and F. M. Chuang 1991-6-29 7839 Placer 3.6 mi sw Iowa Hill (on road to Iowa Hill) Comment
  JEPS59509  Castilleja tenuis Ezra Brainerd and Viola B. Baird 1915-7-23 261 Placer Tahoe City; Sierra Nevada Mts. 1905 Comment
  UCD162617  Castilleja tenuis Steve Matson 1998-6-21 257 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 300 meters north of Highway 267. 1780 Comment
  UCD21601  Castilleja tenuis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1266 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  SEINET14173337  Castilleja tenuis F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  SFV17283  Castilleja tenuis J. H. Nishida 1994-7-3 Placer Sierra Nevada Tahoe City, rocky shore, Blue Water. Comment
  CAS-BOT-BC47859  Ceanothus cordulatus Alice Eastwood 1912-6-15 493 Placer Lake Tahoe Region - Deer Park Comment
  CAS-BOT-BC47899  Ceanothus cordulatus H. E. McMinn 1926-5-29 1752 -A Placer At Crystal Lake-road to Truckee 3 mi west of Cisco Hotel Comment
  POM263653  Ceanothus cordulatus Lewis S. Ross 1941-7-14 41315 Placer Chambers lodge (McKinney), Lake Tahoe. Comment
  RSA129722  Ceanothus cordulatus N. H. French 1934-5-24 361 Placer N Fork, N Fork American River, Colfax 1341 Comment
  SACT002891  Ceanothus cordulatus Michael Baad 1976-6-10 Placer North-facing slope at trailhead to Duncan Canyon and Robison Flat, 1 mile east of Duncan Creek Road crossing on the way to French Meadows. Comment
  UC1070972  Ceanothus cordulatus G. T. Nordstrom 1934-6-22 156 Placer 3.5 mi e by se Texas Hill; Colfax quad, Tahoe Nat. For. 1859 Comment
  UCD111394  Ceanothus cordulatus Ted C. MacRae 1995-7-30 62 a Placer Tahoe National Forest, 9 miles south of Serene Lakes on Soda Springs Road. Comment
  UCD22207  Ceanothus cordulatus Rex Palmer 1979-5-26 N 26 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC50852  Ceanothus fresnensis W. R. Dudley 1909-8-20 s.n. Placer Near Doolittle Mine, Dutch Flat Comment
  JEPS26853  Ceanothus fresnensis L. S. Smith 1931-8-27 2631 Placer near French Meadow (on divide betw Middle Fork American River and Long Canyon) 1981 Comment
  UC1070650  Ceanothus fresnensis B. Bolt 1934-7-16 118 Placer 1 1/2 miles SE of Health Springs 2164 Comment
  CAS-BOT-BC50756  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  CAS-BOT-BC50757  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  CAS-BOT-BC50763  Ceanothus integerrimus Brandegee 1889-7-1 26 Placer Alta Comment
  SEINET177897  Ceanothus integerrimus Marcus E. Jones 1882-5-28 2656 Placer Emigrant Gap Comment
  UCD111989  Ceanothus integerrimus Ray Prag 1970-5-3 s.n. Placer Mosquito Ridge Road. Comment
  UCD16102  Ceanothus integerrimus Dan Cederquist 1984-5-22 s.n. Placer California. Placer County: Rollins Lake. Comment
  UCD22210  Ceanothus integerrimus Rex Palmer 1979-6-21 N 394 Placer Headwaters basin area of the North Fork of the American River Comment
  POM260025  Ceanothus integerrimus var. californicus C. L. Hitchcock 1940-5-7 6336 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC51039  Ceanothus integerrimus var. macrothyrsus Susie Peers 1929-5-1 s.n. Placer Colfax Comment
  SACT002944  Ceanothus lemmonii Michael Baad 1983-5-7 Placer 3.4 miles south of Colfax on Iowa Hill Road. 2 miles south of the North Fork of the American River. 978.0 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
  UC634625  Ceanothus lemmonii H. L. Mason 1926-5-29 3285 Placer near Alta (Donner Pass) Comment
  UCR235384  Ceanothus oliganthus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18946 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  CAS-BOT-BC63353  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63354  Ceanothus prostratus Mary E. Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63393  Ceanothus prostratus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains: along Forest Hill Rd., 11.1 mi. ne. of Foresthill (Westville 7.5'). 1463 Comment
  CAS-BOT-BC63394  Ceanothus prostratus Brandegee 1889-1-1 76 Placer Blue Canyon. Comment
  UC870635  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer ca 1 mi w Baxter; w of Baxter Comment
  UCD112646  Ceanothus prostratus Beecher Crampton 1956-7-17 3732 Placer Placer County, 1.5 miles north of Blue Canyon. 1524 Comment
  UCR260825  Ceanothus prostratus M. Kauffman 1997-5-18 17 Placer Sierra Nevada Mtns., 0.1 mile from Indian Springs Trailhead on Eagle Lakes Road 1768 Comment
  JEPS127520  Ceanothus prostratus subsp. prostratus Steve Matson 1998-6-14 231 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave. under power lines. Comment
  UCD132722  Centaurea melitensis Denali Beard 2012-6-12 s.n. Placer Auburn State Recreation Area, in Mammoth Bar OHV area. Also observed along edge of Squaw Flat Trail. 500 Comment
  SEINET4560835  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-1 17023 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
  RSA703908  Centaurium muehlenbergii C. Rose Broome 1978-8-2 2308 Placer 2.1 miles south of Old Auburn on Auburn-Folsom Highway. Comment
  CAS-BOT-BC288616  Centromadia fitchii L. R. Abrams 1927-9-13 12153 Placer Lincoln Highway 11 miles E of Auburn Comment
  UCD130210  Centromadia pungens R. Tofsrud Date Unknown s.n. Placer County Unknown. Comment
  CDA36210  Cerastium glomeratum G. K. Helmkamp, E. A. Helmkamp 2009-3-11 14388 Placer Sacramento Valley; Ranch House Road, 0.2 mile south of Sheridan. Comment
  CAS-BOT-BC179376  Cercis occidentalis Saichi Kawahara 1969-5-25 1037 Placer Colfax - Town Hill Road, near B.M. 2393, 'Nigger' George Ravine 729 Comment
  UC863548  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  SEINET11266303  Chaenactis douglasii George Helmkamp, E. A. Helmkamp 2010-7-28 16664 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat (Duncan Peak 7.5' Q.); 0 2039 Comment
  UCR242361  Chaenactis douglasii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16664 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  CHSC44856  Chaenactis douglasii var. douglasii Lowell Ahart 1975-8-23 959 Placer Mountain side along the edge of Baker Ranch Soda Springs Road, between Sailor Flat and Robinson Flat, about 15 air miles north-east of Forest Hill. 1828 Comment
  CAS-BOT-BC276716  Chaenactis douglasii var. douglasii Alice Eastwood 1909-1-1 149 Placer Sand Harbor, Lake Tahoe Region Comment
  CAS-BOT-BC283969  Chaenactis glabriuscula var. glabriuscula L. S. Smith 1925-7-14 1680 Placer French Meadows, Tahoe Forest 1828 Comment
  POM260095  Chaenactis glabriuscula var. heterocarpha C. L. Hitchcock 1940-5-15 6405 Placer 6 miles N of Colfax Comment
  CAS-BOT-BC277776  Chaenactis nevadensis C. F. Sonne 1887-8-7 s.n. Placer Sierra Nevada Mountains. Mts. above Coldstream (near Summit) 2590 Comment
  NY163287  Chaenactis rubricaulis H. A. Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada 1970 Comment
  SEINET1783833  Chaenactis rubricaulis H. A. Walker 1910-6-22 2170 Placer Deer Park, in the Sierra Nevada. 1970 Comment
  CAS-BOT-BC141721  Chamaebatia foliolosa Doris K. Kildale 1928-8-23 6643 Placer Near Colfax Comment
  UC527364  Chamaebatia foliolosa C. B. Wolf 1931-9-11 Placer 1 mi w of Gold Run (Sierra Nevada); Sierra Nevada 914 Comment
  UCD112939  Chamaebatia foliolosa K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles east of Forest Hill (town). Western Sierra foothills. 900 Comment
  UCR191059  Chamaebatia foliolosa George K. Helmkamp, E. A. Helmkamp 2007-5-23 12051 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  OBI20165  Chamerion angustifolium David J. Keil 1978-7-23 12937 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCD33725  Chamerion angustifolium Beecher Crampton 1972-7-26 8830 Placer Ca. 3 miles east of Baxter on Hwy. 80 E. 1524 Comment
  CAS-BOT-BC70196  Cheilanthes gracillima Geo. B. Grant 1906-7-15 7143 Placer About Lake Tahoe 2438 Comment
  CAS-BOT-BC70197  Cheilanthes gracillima Parish 1906-7-15 7143 Placer About Lake Tahoe 2438 Comment
  CHSC32988  Cheilanthes gracillima Paula J. Minton 1980-4-5 1 Placer 1/2 mi n of North Fork Dam of the North Fork of the American River, Auburn. 472 Comment
  UC1874972  Cheilanthes gracillima Ruth Kirkpatrick 2001-7-16 1064 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  UCR240949  Chenopodium George K. Helmkamp, E. A. Helmkamp 2012-9-25 19901 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  CAS-BOT-BC426338  Chenopodium atrovirens John Thomas Howell 1943-7-26 18848 Placer Mt. Lincoln Comment
  CAS-BOT-BC451414  Chimaphila menziesii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UCD67368  Chimaphila menziesii Leslie Goldberg 1992-6-6 13 Placer Grove of Big Trees. Shady forest near small creek. 1554 Comment
  UC1120955  Chimaphila umbellata G. T. Nordstrom 1934-6-18 108 Placer n. slope Texas Hill (Plot 201); Tahoe Nat'l Forest, Colfax Quad. 1584 Comment
  SD237255  Chlorogalum pomeridianum G. K. Helmkamp, Amy Barnes 2009-7-12 15172 Placer Sierra Nevada Mountains Foothills: along Foresthill Road at the northeast end of the city of Foresthill. 985 Comment
  SD72044  Chondrilla juncea John Thomas Howell 1966-7-29 42033 Placer 1.0 mile northeast of Loomis. 120 Comment
  UCR190691  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2007-9-14 12965 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 15 miles east of Foresthill 832 Comment
  CDA33066  Chondrilla juncea CDFA staff Placer Rocklin. 0 Comment
  CDA37888  Chondrilla juncea CDFA Staff 1971-1 s.n. Placer Newcastle. 0 Comment
  CAS-BOT-BC36375  Chrysolepis sempervirens R. F. Hoover 1967-9-5 10823 Placer Carnelian Bay, Lake Tahoe Comment
  UC147577  Chrysolepis sempervirens Harriet A. Walker 1908-6-23 1228 Placer Blue Canyon 1432 Comment
  UCR170808  Chrysothamnus nauseosus subsp. albicaulis George K. Helmkamp, E. A. Helmkamp 2005-9-30 9932 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  UCR201920  Chrysothamnus nauseosus subsp. albicaulis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14029 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  UC193532  Chrysothamnus viscidiflorus subsp. viscidiflorus C. F. Sonne 1886-9-14 Placer flat beyond Tollhouse; Road to Tahoe Comment
  POM352123  Cichorium intybus Wm Martin 1971-9-10 20206 Placer Vicinity of Applegate, 7 miles E of Auburn. Comment
  UCR190225  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12949 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  CAS-BOT-BC279836  Cichorium intybus Mrs. H. C. Cantelow 1938-7-2 2266 Placer 8 mi. n. of Auburn Comment
  SACT000747  Cinna latifolia D. Meyer 1984-9-23 Placer Road to Barkers Pass, moist north facing slope hillside seeping water. 2109.0 Comment
  POM46097  Circaea alpina subsp. pacifica Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  RSA0056565  Circaea alpina subsp. pacifica Greg de Nevers 1995-8-20 10768 Placer Lake Tahoe. 1828 Comment
  SEINET12189142  Circaea alpina subsp. pacifica C. F. Sonne 1884-1 116 Placer Comment
  JEPS126389  Cirsium andersonii Steve Matson 1997-7-24 126 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  UCD96969  Cirsium andersonii Chuck Hughes 2010-7-13 234 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  UCD38936  Cirsium arvense Beecher Crampton 1961-9-27 6019 Placer Blue Canyon. 1430 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-BC228715  Cistanthe umbellata Geo. B. Grant 1906-7-15 7027 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC172410  Clarkia biloba subsp. brandegeeae A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  SEINET3860298  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-26 16379 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax.; 0 616 Comment
  SD113934  Clarkia dudleyana Darley F. Howe 1948-5-23 1854 Placer American River 305 Comment
  CHSC1106  Clarkia purpurea V. Holt 1942-6-12 Placer Near Lincoln. 30 Comment
  UCD71255  Clarkia purpurea Cathleen Chapton 1983-5-28 35 Placer American River Canyon. 213 Comment
  CAS-BOT-BC163365  Clarkia purpurea subsp. purpurea Gordon H. True 1971-7-2 6863 Placer Northern outskirts of Lincoln 48 Comment
  CAS-BOT-BC162495  Clarkia purpurea subsp. purpurea H. M. Hall 1917-5-9 10291 Placer Sacramento Valley, just above Lincoln Comment
  UC1122463  Clarkia unguiculata N. French, R. Clar 1933-6-5 20 Placer Middle Fork American River Sacramento Quadrangle Comment
  UCR174012  Clarkia unguiculata George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10710 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  CAS-BOT-BC165427  Clarkia unguiculata G. P. Rixford 1914-6-22 s.n. Placer Loomis Comment
  JEPS85826  Claytonia exigua subsp. exigua Barbara Ertter with David Thompson 1989-4-8 8171 Placer Iowa Creek Road near Auburn State Recreation Area entrance (at creek crossing, about 2 mi from I-80) 518 Comment
  CAS-BOT-BC451736  Claytonia lanceolata Betty H. Jorgensen 1944-6-24 490 Placer Cascade Lakes about 6 miles S.W. of Soda Springs Comment
  CHSC85718  Claytonia lanceolata G. F. Hrusa 1995-5-2 12181 Placer Sierra Nevada. At edge of snowbank, near intersection of Mosquito Ridge Rd. and Jarvis Rd. on spur to Placer Redwood Grove. [Lat./long. on label is '39 1 N; 120 41 W']. 1650 Comment
  UCR235619  Claytonia parviflora subsp. grandiflora George K. Helmkamp, E. A. Helmkamp 2012-5-5 18919 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  SFV8731  Claytonia perfoliata E. J. McBerty 1961-5-7 25 Placer Sierra Nevada On county road about 1 mile north from Weimar. 640 Comment
  CAS-BOT-BC91455  Clematis lasiantha Annetta Carter 1937-4-25 1248 Placer Between Folsom and Auburn, 6.5 miles southeast of Loomis. 152 Comment
  CDA12427  Collinsia parviflora G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8556 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD162572  Collinsia parviflora Steve Matson 1998-6-23 236 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork at big pine meadow. 1920 Comment
  RSA481908  Collinsia sparsiflora var. collina Aaron Liston 1988-3-14 696 -1 Placer 3.5 miles N of Auburn; Dry Creek Road. 450 Comment
  UCR250144  Collinsia tinctoria George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20823 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  SCFS5093  Collinsia torreyi F. Felix, Erica Krimmel 2013-5-19 16 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  SCFS856  Collinsia torreyi E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, Top Meadow, as PCT heads down to Painted Rock. Comment
  JEPS7270  Collinsia torreyi var. brevicarinata L. S. Smith 1925-6-23 1645 Placer Blackwood Canyon; Tahoe Forest 1981 Comment
  UC373268  Collinsia torreyi var. torreyi Marcus E. Jones 1882-6-18 3277 Placer Emigrant Gap Comment
  JEPS72695  Collinsia torreyi var. wrightii Gladys L. Smith 1972-6-18 3167 Placer Alpine Meadows 2072 Comment
  UCD21868  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 257 Placer Headwaters basin area of the North Fork of the American River Comment
  SCFS1100  Collomia grandiflora E. Krimmel 2013-6-13 Placer NFAm. Cedars full trail. Land of the Lost. Comment
  UCD21979  Collomia grandiflora Beth Lowe Corbin 1982-8-4 246 Placer 1 mile NE of Onion Creek campground. 1950 Comment
  UCD33740  Collomia grandiflora Beecher Crampton 1972-7-26 8852 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  SEINET5501098  Collomia grandiflora Sally Walker 1982-8-4 Placer Tahoe City 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
  UCR194957  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-18 12035 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  UCR250063  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCD74069  Convolvulus arvensis Jennifer W. Burt 2005-7-13 109 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1980 Comment
  CAS-BOT-BC286036  Conyza canadensis L. R. Abrams 1927-9-13 12151 Placer Eleven miles east of Auburn on Lincoln Highway Comment
  UCD22065  Corallorhiza maculata Beth Lowe Corbin 1982-8-10 294 Placer 3/4 mile WSW of Onion Creek Campground. SE facing slope, 10% incline. Mostly shade. Uncommon. In deep duff of white fir forest. Plant reddish purple. Flower upper petal yellowish, lower white with red spots. 2023 Comment
  UC525852  Corallorhiza maculata Miss E. E. Morse 1934-5-4 Placer Towle Comment
  UCD14367  Corallorhiza striata Sutton 1984-5-1 16 Placer 4 miles down Blue Canyon Road off of Highway 50. 1371 Comment
  CHSC41145  Cordylanthus pilosus subsp. hansenii J. D. Jokerst 1983-10-13 1922 Placer Canyon of the Middle Fork American River ca 600 feet above the river. Along road to Plumas Co Power Agency access road. Comment
  JEPS88781  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold Run Comment
  SEINET3245663  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2009-1 15424 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5') 1661 Comment
  UCD123162  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11212 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1311 Comment
  RSA523859  Cordylanthus tenuis subsp. tenuis L. R. Heckard, R. C. Bacigalupi, T. I. Chuang 1973-7-28 3453 Placer Just east of Alta Lake. 1159 Comment
  CHSC74979  Cornus nuttallii Jonathan M. Irvin 1977-5-30 701 Placer 14.4 miles east of Forest Hills, along Mosquito Ridge Road. 1011 Comment
  HSC97884  Cornus nuttallii Barbara Babbe 1977-5-30 33 Placer 19.3 mi. E of Forest Hill on Mosquito Ridge Rd. Comment
  POM77912  Cornus nuttallii Marcus E. Jones 1882-5-28 3304 Placer Emigrant Gap Comment
Read comments Sep 7 2010
  UC1999784  Cornus nuttallii H. E. M. Dobson 1977-10-23 285 Placer near Forest hill. Comment
  UCD22323  Cornus sericea subsp. sericea Rex Palmer 1979-6-20 N 315 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA654888  Cornus sessilis G. Fred Hrusa 1995-5-20 12169 Placer Mosquito Ridge Road. 1600 Comment
  UC634828  Cornus sessilis Mrs. Price 1932-4-3 Placer Dutch Flat Sierra Nevada, Dutch Flat Comment
  UCD33845  Cornus sessilis Beecher Crampton 1973-10-2 9020 Placer Placer County, Baxter along Canyon Creek. 1219 Comment
  CAS-BOT-BC401884  Corydalis caseana subsp. caseana C. F. Sonne 1885-8-2 12 Placer Sierra Nevada Mts. On Truckee River Comment
  CDA7466  Cosmos bipinnatus T. C. Fuller 1962-9-2 9625 Placer Highway 40 to Donner Summit, 2.6 miles east of Blue Canyon Road. 0 Comment
  CDA7481  Cota tinctoria T. C. Fuller 1965-8-1 13941 Placer Sierra Nevada; South side of north shore road just west of state line, Brockway. Comment
  CDA36989  Crassula connata CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  UCD160953  Crepis G. Ledyard Stebbins 1978-5-29 78104 Placer El Dorado National Forest. Little Crater above Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS126421  Crepis acuminata Steve Matson 1997-7-19 81 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. to west Fork of Snow Creek. Comment
  JEPS126418  Crepis capillaris Steve Matson 2002-7-5 558 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  CAS-BOT-BC291526  Crepis intermedia M. S. Jussel 1928-6-25 s.n. Placer Tahoe City Comment
  CDA15982  Cryptantha affinis G. F. Hrusa, J. Glazner 1999-7-17 15184 c Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC112808  Cryptantha affinis Katharine Brandegee Placer near Cape Horn Comment
  RSA755334  Cryptantha flaccida George K. Helmkamp, E. Helmkamp 2009-4-22 14561 Placer Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UCR207860  Cryptantha flaccida George K. Helmkamp, E. A. Helmkamp 2009-4-22 14561 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  CAS-BOT-BC218774  Cryptantha humilis D. S. Smith 1928-6-27 2419 Placer Tahoe [National] Forest. Above Deer Park on ridge 2286 Comment
  UC24998  Cryptantha humilis C. F. Sonne Jul 1 1886-Jul 10 1887 Placer Rocky Peak, on Truckee River Sierra Nevada Mountains, Truckee River Comment
  SEINET6429208  Cryptogramma acrostichoides P. B. Kennedy 1901-8-21 426 Placer By river Talbot's Home Camp, 7 miles from French Meadows. Comment
  CAS-BOT-BC224542  Cuscuta californica John Thomas Howell 1929-10-4 4434 Placer Four miles below Colfax on road to Auburn Comment
  SEINET7828098  Cuscuta californica L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  UCD126296  Cuscuta howelliana F. T. Griggs 1978-5-19 s.n. Placer 300 meters west of junction with Karchner Road, 1.7 miles east of Sheridan. Comment
  UCD21634  Cymopterus terebinthinus Rex Palmer 1979-6-20 N 348 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT000828  Cynodon dactylon D. Meyer 1984-5-6 Placer 145.5 Comment
  UCD60072  Cynodon dactylon Beecher Crampton 1965-9-13 7493 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  CAS-BOT-BC113818  Cyperus niger var. capitatus LeRoy Abrams 1917-9-15 6757 Placer 3-5 mi. above Auburn. Comment
  UCD141135  Cyperus rotundus F. E. Kayo 1932-4-1 s.n. Placer Penryn. Comment
  CAS-BOT-BC70558  Cystopteris fragilis John H. Thomas; Hazelle A. Thomas 1956-7-21 6142 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC70580  Cystopteris fragilis Alice Eastwood 1912-6-15 414 Placer Deer Park, Lake Tahoe Region Comment
  UCD75757  Cystopteris fragilis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5227 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  UC615527  Cystopteris fragilis Beryl O. Schreiber 1934-7-4 1183 Placer 6 mi e Lookout Comment
  SACT000873  Dactylis glomerata D. Meyer 1983-7-16 Placer 1624.0 Comment
  SEINET175768 Image available Dactylis glomerata M. E. Jones 1882-5-27 3283 Placer Emigrant Gap Comment
  UCD60281  Dactylis glomerata Eric S. Nagy 1990-6-2 23 Placer Bridalveil Falls, Rt. 50. Comment
  RSA0115050  Danthonia californica Lyman Benson 1942-7-2 11247 Placer Highway junction 1 mile west of Truckee. Mt. Range: Sierra Nevada. 1828 Comment
  UCR151943  Danthonia californica var. americana Beecher Crampton 1964-7-21 7117 Placer Sierra Nevada Mtns, 0.5 mile WNW of Cisco Grove on US Hwy 40 1707 Comment
  CAS-BOT-BC194410  Danthonia intermedia L. S. Smith 1926-6-23 1976 Placer Squaw Valley, Tahoe Forest 1889 Comment
  CAS-BOT-BC141778  Dasiphora fruticosa F. Almeda 1993-7-25 7292 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  SCFS1193  Dasiphora fruticosa E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Meadow with pines past Bailey, on river trail. Comment
  SDSU10034  Delphinium depauperatum D. F. Howe 1971-7-2 4763 Placer Hillside by Truckee River. 8.0 miles south of Truckee. 1829 Comment
  UC188661  Delphinium glaucum C. F. Sonne 1886-8-15 b Placer canyon above Kneeland's Mill Comment
  POM149859  Delphinium glaucum C. F. Sonne 1896-8-16 s.n. Placer Canyon near Truckee Comment
  UC118698  Delphinium glaucum C. F. Sonne 1896-8-16 Placer canyon near Truckee (along stream) Comment
  CAS-BOT-BC8825  Delphinium gracilentum Miss Francis Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CDA15681  Delphinium gracilentum G. F. Hrusa, J. Glazner 1999-7-18 15231 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  JEPS23295  Delphinium hansenii W. H. Shockley Jun 1886 Placer Auburn Comment
  LA207408  Delphinium hansenii H. Lewis; Carl Epling 1941-5-24 sn Placer Auburn Comment
  RSA149669  Delphinium hansenii Harlan Lewis 1941-5-24 s.n. Placer Auburn Comment
  UC1125985  Delphinium hansenii subsp. hansenii C. R. Clar 1933-6-21 35 Placer N Fork Dry Creek 457 Comment
  CAS-BOT-BC116095  Delphinium nuttallianum A. A. Heller 1919-7-26 13311 Placer Summit meadows west of Donner Pass. 2072 Comment
  UC1125981  Delphinium nuttallianum N. French 1934-5-24 364 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle Comment
  UCD19843  Dendromecon rigida C. H. Lamoureux; M. Ingle and J. Major 1956-5-19 1091 Placer 15 miles east of Auburn on Hwy 40. Comment
  UCD94651  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer Placer County, 3 miles west of Iowa Hill. 914 Comment
  SEINET5339604  Dendromecon rigida K. Brandegee s.n. Placer Magra station between Cape Horn and Alta. Comment
  SACT000902  Deschampsia cespitosa Michael Baad 1983-7-10 Placer Open wet meadow with Allium. 1524.0 Comment
  SACT000905  Deschampsia cespitosa D. Meyer 1983-8-20 Placer Moist roadside meadow with vegetation following residential construction. 2000.0 Comment
  SACT000907  Deschampsia cespitosa Michael Baad 1976-8-7 Placer 2072.0 Comment
  UCD75968  Deschampsia cespitosa Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5250 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CAS-BOT-BC192429  Deschampsia cespitosa subsp. cespitosa R. F. Hoover 1967-9-7 10859 Placer Antone Meadow Comment
  UCD35461  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer Placer County; 2 miles north of Lincoln. Comment
  UCD63005  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer 2 miles north of Lincoln. Comment
  UCR120499  Deschampsia danthonioides George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5030 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SACT000951  Deschampsia elongata D. Meyer 1984-7-29 Placer Road south of reservoir, moist shady north-facing slope. 1612.0 Comment
  UC1729992  Deschampsia elongata L. P. Janeway, Eric Schroder 1998-9-16 6339 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  CAS-BOT-BC43030  Descurainia incisa subsp. incisa John Thomas Howell 1943-7-22 18704 Placer Summit Valley. Comment
  UCD43031  Descurainia pinnata subsp. intermedia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 400 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC43414  Descurainia sophia D. Mitani 1975-5-7 s.n. Placer Dick Phillips property, P.O. Box 805, Colfax. Comment
  CDA24609  Dicentra formosa G. M. Cole 1928-5-2 Placer Near Auburn. 0 Comment
  UC112922  Dicentra formosa Katharine Brandegee 1908-6-5 Placer near Gold Run Comment
  UC855121  Dicentra formosa Marcus E. Jones, A. M. 1882-1-1 3302 Placer Emigrant Gap Comment
Read comments Sep 7 2010
  UCD15659  Dicentra formosa Jessica Le 1989-6-3 18 Placer Off 174 freeway from Colfax city. 609 Comment
  UCD23417  Dicentra formosa Toni Grant 1977-5-28 31 Placer Purple flowers, low herbaceous plants in groups, partial shade. Pine forest. 0.65 miles SE of Auburn Foresthill Rd. on Mosquito Ridge Rd. Intersection is 20 miles NE of Auburn Foresthill Bridge. Comment
  RSA305921  Dicentra formosa subsp. formosa Fay A. MacFadden 1934-3-30 12415 Placer Dutch Flat. Comment
  RSA333558  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 37 Placer Approximately 0.5 mile NE of the Douglas Blvd/Sierra Gardens Drive Intersection. 180 Comment
  RSA333560  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 39 Placer On Clark Tunnel Road, 2.1 miles S of intersection with State Hwy 193. Comment
  RSA537649  Dichelostemma capitatum subsp. capitatum Barbara Ertter, David M. Thompson 1989-4-8 8150 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  SD43598  Dichelostemma multiflorum Darley F. Howe 1948-5-23 1899 Placer No further locality information given on label. 456 Comment
  UCR233241  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17691 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 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
  UC590001  Digitaria sanguinalis Eleanor Armstrong 1932-9-8 213 Placer 2 1/2 above Califax <Colfax?> 1219 Comment
  UCR258182  Digitaria sanguinalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20039 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  SEINET188372  Diplacus layneae C. L. Hitchcock 1940-1 6406 Placer 6 mi N of Colfax 762 Comment
  SD243209  Diplacus mephiticus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13 / American Hill Road. Burned area north of road. 1662 Comment
  CAS-BOT-BC151676  Diplacus torreyi Belle R. Jackson 1927-6-1 s.n. Placer Dutch Flat Comment
  RSA300475  Disporum hookeri var. hookeri John Dourley, Walter Wisura 1982-10-13 3857 Placer 1.7 mi SW of Emigrant Gap along forestry rd. 19 1524 Comment
  SACT000996  Distichlis spicata D. Meyer 1984-8-17 Placer 4.8 km west of Blue Canyon exit. 1291.0 Comment
  JEPS59474  Dodecatheon alpinum Ezra Brainerd and Viola B. Baird 1915-7-4 216 Placer along brook Deer Park Sierra Nevada Mts., Deer Park 1920 Comment
  UCD22159  Dodecatheon alpinum subsp. majus Rex Palmer 1979-7-11 N 534 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC1562607  Dodecatheon hendersonii Barbara Ertter with David Thompson 1989-4-9 8184 Placer ca 4 air mi w Foresthill (Spring Garden Road 0.8 mi ne of Forestville-Auburn Road); w of Foresthill 670 Comment
  UCR198045  Dodecatheon hendersonii Phyllis Adams 1982-4-20 10 Placer American River Canyon near the town of Auburn 396 Comment
  UC914245  Dodecatheon hendersonii Verne Grant, Alva Grant 1946-3-10 7683 Placer on Lincoln Road e Loomis (gentle n slope); e of Loomis Comment
  RSA18619  Downingia bicornuta C. B. Wolf 1937-6-11 8773 Placer Sacramento Valley, 1 mile north of Lincoln. 46 Comment
  UCR70808  Downingia ornatissima C. B. Wolf 1937-5-12 08615 Placer Sacramento Valley, 1 mi north of Lincoln 46 Comment
  UC660005  Downingia ornatissima var. ornatissima Lincoln Constance 1941-5-28 2823 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  CAS-BOT-BC159717  Drymocallis glandulosa Margaret J. Williams 1985-7-6 85- 61 -1 Placer Near old Donner Summit, S of Lake Mary - Sierra Nevada 2286 Comment
  UC66117  Drymocallis hansenii P. B. Kennedy 1901-8-18 417 Placer 7 mi from French Meadows; 7 mi from French Meadows Comment
  LA83941  Drymocallis lactea var. lactea O. H. Kappler; 1946-7-18 1320 Placer Lake Tahoe 1920 Comment
  SEINET6691916  Drymocallis lactea var. lactea P. Lehenbauer 1932-6-26 s.n. Placer At origin of Truckee River, south side of Tahoe City Comment
  UC570063  Dudleya cymosa G. T. Nordstrom 1934-6-18 107 Placer n slope Texas Hill; Colfax Quadrangle 1584 Comment
  SD62102  Dudleya cymosa Darley F. Howe 1965-5-21 116 Placer Mouth of canyon on south side of north fork of American River below Forest Hill. Comment
  UCR250345  Dudleya cymosa subsp. cymosa George K. Helmkamp, Mary Alice Barnes 2013-4-18 20364 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
  CHSC81779  Dysphania pumilio Lowell Ahart 2001-10-10 9343 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  SACT001029  Echinochloa crus-galli D. Meyer 1984-8-19 Placer Just south of subway. 176.0 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
  CAS-BOT-BC113491  Eleocharis bella John Thomas Howell 1943-7-22 18707 Placer Summit Valley Comment
  CHSC73476  Eleocharis bella L. P. Janeway; Eric Schroder 1998-9-16 6329 Placer Lake Tahoe Basin. Small meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  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
  UCD43347  Eleocharis bella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 715 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD49716  Eleocharis bella Beecher Crampton 1958-6-24 4967 Placer Earl Morton Ranch, 3 miles west of Baxter, Placer County. 1066 Comment
  CAS-BOT-BC113376  Eleocharis engelmannii Catherine Best 1984-8-11 1032 Placer South Campground, Camp Far West Reservoir. 91 Comment
  UC839120  Eleocharis engelmannii A. A. Heller 1917-8-12 12874 Placer Southern Pacific reservoir W of Emigrant Gap Comment
  CAS-BOT-BC112912  Eleocharis macrostachya Saichi Kawaha 1969-7-6 1432 Placer Swing near old cabin, east bank of Indian Creek, Mel Henderson Ranch. 999 Comment
  UC1100584  Eleocharis palustris Malcolm A. Nobs, S. Galen Smith 1949-8-21 1508 Placer marsh between Sandy Beach and Agate Bay Lake Tahoe, N end; Marsh Plant Survey Comment
  UCD33746  Eleocharis palustris Beecher Crampton 1972-7-26 8857 Placer Placer County, ca. 1 mile west of Cisco Grove on Interstate 80. 1676 Comment
  UC1925817  Elodea nuttallii David Keil, Kathleen A. Keil 1999-7-17 28379 Placer Along N Fork of Cosumnes River at Lilltle Canyon Road ford Comment
  SACT001060  Elymus caput-medusae D. Meyer 1983-5-15 Placer Field at southeast corner. 36.6 Comment
  UCR257602  Elymus caput-medusae George K. Helmkamp, Amy Barnes 2014-3-21 22637 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  CAS-BOT-BC227590  Elymus elymoides Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UCD22216  Elymus elymoides Beth Lowe Corbin 1982-8-18 373 Placer 1 1/4 miles SW of The Cedars. NE facing slope, 10% incline. Common. Mostly sun. In rocky, fine, sandy granitic soil of open white fir forest. Perennial forming moderately large bunches. Awns purplish. 1813 Comment
  UC790925  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 mi w Colfax 762 Comment
  SACT001089  Elymus glaucus D. Meyer 1983-8-20 Placer Collected on way to summit off trail at first lake, steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT001107  Elymus glaucus Michael Baad 1983-7-23 Placer 1828.0 Comment
  UCD22249  Elymus glaucus Rex Palmer 1979-7-26 N 844 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD36668  Elymus glaucus Beecher Crampton 1955-6-15 2903 Placer Placer County, Yankee Jims. 807 Comment
  CHSC74338  Elymus glaucus subsp. glaucus Susi Urie; Eric Schroder 1998-9-8 98 -287 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD61697  Elymus glaucus subsp. glaucus Beecher Crampton 1955-6-15 2911 Placer 1/2 mile north of Forest Hill. 975 Comment
  SACT001105  Elymus glaucus subsp. jepsonii Michael Baad 1977-6-21 Placer Grant Gap 1097.0 Comment
  CDA39773  Elymus ponticus D. G. Kelch 2011-10-3 11 .817 Placer Tahoe City. Granlibakken Resort. Comment
  CAS-BOT-BC204399  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1943-7-19 18578 A Placer Summit Valley Comment
  CHSC73268  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1998-8-6 5964 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC79883  Elytrigia intermedia subsp. intermedia G. F. Hrusa; J. Glazner 1999-7-18 15219 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  CAS-BOT-BC226650  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12079 Placer Northern Siera Nevada Mountains Foothills: junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UCR190156  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-8-1 12644 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  CAS-BOT-BC171975  Epilobium canum subsp. latifolium G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; Juan Hunziker; Howard Stutz; Daniel Zohary 1952-7-19 3859 Placer Rock outcropping just above torrent of main stream, North Fork of American River, below Cape Horn sta. on S.P.RR, 1/2 mile above bridge on colfax - Iowa Hill Road 381 Comment
  UCD105596  Epilobium canum subsp. latifolium G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, et al. 1952-7-20 5133 Placer Along Shirttail Creek, just above its junction with N Fork American River, along road from Colfax to Forest Hill. Comment
  SEINET12861958  Epilobium canum subsp. latifolium T. Swecker 1971-10-2 s.n. Placer Bank of N. Fork of American River 305 Comment
  CHSC72876  Epilobium ciliatum subsp. ciliatum L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5759 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  POM46188  Epilobium ciliatum subsp. ciliatum I. E. Diehl 1902-7-7 s.n. Placer Colfax. Comment
  UCD44728  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2094 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC81802  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2001-10-10 9355 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. Along river. 1591 Comment
  RSA123118  Epilobium ciliatum subsp. glandulosum H. S. Yates 1936-8-9 5989 Placer 2 miles southwest of Martis Peak. 2287 Comment
  CDA15988  Epilobium densiflorum G. F. Hrusa, J. Glazner 1999-7-17 15168 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA25001  Epilobium densiflorum J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD21995  Epilobium glaberrimum Beth Lowe Corbin 1982-8-5 248 Placer Onion Creek campground. In wet soil along stream's edge. Flowers rose pink, petals bilobed. Full sun. SW facing slope, 15% incline. Occasional. 1841 Comment
  POM192603  Epilobium glaberrimum subsp. glaberrimum Helen D. Geis 130 -a Placer Deer Park. Comment
  UCD44499  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1865 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET12191336  Epilobium obcordatum C. F. Sonne 1885-1 s.n. Placer above Coldstream Comment
  CAS-BOT-BC57985  Equisetum John H. Thomas; Hazelle A. Thomas 1956-7-21 6205 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 mi. ne. of Sacramento. 2377 Comment
  CAS-BOT-BC56949  Equisetum arvense Saichi Kawahara 1969-5-25 909 Placer Henderson Ranch, Indian Creek 987 Comment
  SBBG38054  Equisetum arvense E. R. Blakley 1960-2-9 3802 Placer meadow along Carnelian Crk (at mouth), Lake Tahoe 1905 Comment
  UCD44508  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1874 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD33393  Eragrostis pectinacea Beecher Crampton 1967-7-26 8162 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80, junction of Meadow Vista Road. 487 Comment
  CAS-BOT-BC174097  Eremogone aculeata John Thomas Howell 1943-7-21 18675 Placer Mt. Lincoln Comment
  CAS-BOT-BC174095  Eremogone aculeata J. P. Moore 1877-7-1 490 Placer Summit Comment
  CAS-BOT-BC174292  Eremogone congesta var. suffrutescens G. L. Stebbins 1977-7-1 7734 Placer Above Middle Fork, American River, near Last Chance 1371 Comment
  UCD22162  Eremogone kingii var. glabrescens Beth Lowe Corbin 1982-8-4 239 Placer 1 1/2 mile NNW of Onion Creek Camground. E facing slope, 40% inclination. Uncommon. Full sun. Subalpine talus slope. Plant forming loose mat. Flowers white. 2286 Comment
  UCR209737  Ericameria George K. Helmkamp, E. A. Helmkamp 2009-8-12 15428 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  CAS-BOT-BC286642  Ericameria bloomeri Elsie Zeile Lovegrove 1951-9-22 s.n. Placer Al Tahoe Comment
  CAS-BOT-BC286644  Ericameria bloomeri Lewis S. Rose 1937-7-30 37619 Placer 3 mi. S. of Truckee 1828 Comment
  UC31081  Ericameria cuneata var. cuneata A. M. Carpenter 1893-8 Placer Comment
Read comments Dec 11 2014
  UCD22412  Ericameria nauseosa A. M. Shapiro 2001-9-10 s.n. Placer Serpentine barren, Dutch Flat Powerhouse Road. 2' tall. 883 Comment
  UC1119757  Ericameria nauseosa var. speciosa B. Bolt 1934-8-23 199 Placer Mt. Mildred Tahoe National Forest, Truckee Quadrangle, Mt. Mildred 2468 Comment
  UC201335  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer ridge nw Donner Pass 2377 Comment
  JEPS41614  Erigeron barbellulatus C. F. Sonne 1888-7-29 365 Placer Wards Peak Sierra Nevada Mountains, Wards Peak (on Truckee River) Comment
  UC197373  Erigeron barbellulatus C. F. Sonne 1888-7-29 Placer near Lake Tahoe; Sierra Nevada Mountains, Wards Peak 2590 Comment
  UCR231824  Erigeron breweri George K. Helmkamp, E. A. Helmkamp 2010-8-14 16774 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  CAS-BOT-BC296766  Erigeron coulteri Margaret Williams 1974-8-8 74 P1-36 Placer Murphy's Meadow, 5 miles southeast of Hirschdale, Sierra Nevada 2316 Comment
  CHSC74065  Erigeron coulteri Susi Urie 1998-8-13 98 -029 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC1505802  Erigeron coulteri Robert T. Clausen and Harold Trapido 1940-7-13 4891 Placer 2 mi w Lake Tahoe (along Ward Creek); Pacific Slope, Lake Tahoe Basin, Ward Creek 1905 Comment
  UCD43378  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 746 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  UC195955  Erigeron glacialis var. glacialis C. F. Sonne 1885-7-12 Placer mts. above Kneeland's Mill Comment
  UCD21714  Erigeron glacialis var. glacialis Beth Lowe Corbin 1982-8-10 291 Placer 3/4 mile WSW of Onion Creek campground. In fine, sandy and organic soil. Small meadow in White Fir forest. Ray flowers pale purple, disc yellow. Partial sun. SE facing slope, 10% incline. Common. 2023 Comment
  UCD74029  Erigeron glacialis var. glacialis Jennifer W. Burt; Sarah Shannon 2005-7-8 103 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  JEPS41389  Erigeron glacialis var. glacialis Katharine Brandegee 1908-7-1 Placer near summit Lake Van Orden Comment
  SJSU6632  Erigeron glacialis var. glacialis H. T. Harvey 1958-8-19 Placer Sugar Bowl about 3 mi S of Donner Summit 2164 Comment
  CAS-BOT-BC295205  Erigeron inornatus A. A. Heller 1919-7-25 13289 Placer Near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC295207  Erigeron inornatus John Thomas Howell 1943-7-25 18811 Placer West side of Donner Pass near Norden 2133 Comment
  UC1950986  Erigeron inornatus var. inornatus G. K. Helmkamp, E. A. Helmkamp 2005-10-1 9980 Placer Northern Sierra Nevada Mtns.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca 2.2 mi W of CA Highway 89 and just S of Alpine Meadows Road) Tahoe City 7.5' Quad Comment
  UCR190155  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2007-8-1 12645 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR207111  Erigeron peregrinus subsp. callianthemus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15230 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  CHSC91621  Eriodictyon californicum M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 251 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  POM260423  Eriodictyon californicum C. L. Hitchcock 1940-5-14 6376 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC1124297  Eriodictyon californicum B. Bolt 1934-7-4 81 Placer Sawtooth Ridge; Tahoe National Forest, Colfax Quadrangle Comment
  UCD22025  Eriodictyon lobbii Beth Lowe Corbin 1982-8-3 197 Placer Hill west of Onion Creek Campground. Locally abundant. Full sun, SW facing slope. In fine, sandy, granitic soil of disturbed slide area. Perennial herb, stems somewhat decumbent. Flowers dark purple. 1853 Comment
  UCD33616  Eriodictyon lobbii Beecher Crampton 1970-11-10 8655 Placer Placer County, Nyack, along Hwy. 80. 1524 Comment
  JEPS126263  Eriogonum elatum var. elatum Steve Matson 2000-7-6 470 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  JEPS126271  Eriogonum incanum Steve Matson 2004-7-31 1082 Placer nSNH; Tahoe Basin; west shore, Blackwood Canyon; about 1.4 miles ESE of Barker Pass. Comment
  UCD149394  Eriogonum lobbii G. Ledyard Stebbins 1976-7-3 7672 Placer Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1280 Comment
  UCD21612  Eriogonum lobbii E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1280 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. Open W-facing granite slope at tree-line, ascending ridge. 2300 Comment
  UC1334173  Eriogonum luteolum var. pedunculatum Thomas Morley 1946-9-28 818 Placer near electric pole line 1 1/2 mi nne Alta; Sierra Nevada 1188 Comment
  JEPS59480  Eriogonum marifolium Ezra Brainerd and Viola B. Baird 1915-7-15 223 Placer along trail to Fire Lakes; Sierra Nevada Mts. 2133 Comment
  POM279091B  Eriogonum marifolium Lyman Benson 1933-6-26 4529 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  RSA795075  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18189 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UCR233455  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18189 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  CAS-BOT-BC263291  Eriogonum marifolium var. marifolium Alice Eastwood 1909-1-1 300 Placer Lake Tahoe Region. Deer Park Comment
  SCFS11529123  Eriogonum nudum E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  SCFS1170  Eriogonum nudum E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Creekside at Chickering. Comment
  UCD21937  Eriogonum nudum Beth Lowe Corbin 1982-8-3 177 Placer Onion Creek campground. In fine, sandy, granitic soil. Somewhat disturbed area in dry, open meadow. Mostly sun. Moderately common. Southwest facing slope. 1841 Comment
  UCR229453  Eriogonum nudum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17899 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
  POM165488  Eriogonum nudum var. deductum George B. Grant 1906-7-15 6935 Placer Lake Tahoe. Comment
  UC849631  Eriogonum nudum var. deductum Marcus E. Jones, A. M. 1882-6-29 3469 Placer Emigrant Gap Comment
  RSA714092  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9993 Placer Northern Sierra Nevada Mts.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca. 2.2 miles west of CA Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  SEINET11262479  Eriogonum nudum var. nudum Elizabeth Neese 1980-10-15 9986 Placer Nyack Rd exit on I-80.; 0 Comment
  UCR231846  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16757 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCR240947  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19899 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  SDSU6798  Eriogonum nudum var. pubiflorum D. F. Howe 1959-8-1 2769 Placer 4 miles north of Auburn. 457 Comment
  CAS-BOT-BC266843  Eriogonum ovalifolium var. nivale L. S. Smith 1928-7-18 2479 Placer Ward Peak among rocks, top ridge, Tahoe Forest 2438 Comment
  SD22419  Eriogonum pedunculatum Susan G. Stokes 1932-8-4 Placer Near Auburn Comment
  UCD80662  Eriogonum prattenianum CNPS SN Foothill Team 2006-6-27 SNNR 0728 b Placer Placer Land Trust, Shutamul Parcel, along the Bear River. 305 Comment
  CAS-BOT-BC269937  Eriogonum spergulinum var. reddingianum Margaret Williams 1974-8-8 74 -Pl-3 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  RSA424932  Eriogonum spergulinum var. reddingianum Fay A. MacFadden 1936-8-20 12856 Placer Cisco Comment
  CAS-BOT-BC269935  Eriogonum spergulinum var. reddingianum Peter Rubtzoff; Edward W. Colson 1976-7-7 8736 Placer Lake Van Norden 2063 Comment
  POM308707  Eriogonum spergulinum var. reddingianum Betty J. Jorgensen 1944-7-2 514 Placer Along summit near Donner Pass. Comment
  CAS-BOT-BC271882  Eriogonum spergulinum var. spergulinum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CAS-BOT-BC267488  Eriogonum umbellatum L. S. Smith 1926-6-26 1986 Placer Tahoe National Forest. Top of ridge west of Squaw Valley 2499 Comment
  UCD83646  Eriogonum umbellatum Albert Grigarick 2009-9-10 199 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  CAS-BOT-BC268013  Eriogonum umbellatum var. furcosum Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC265158  Eriogonum umbellatum var. nevadense John Thomas Howell 1943-7-26 18842 Placer Mt. Lincoln Comment
  CHSC67683  Eriogonum umbellatum var. nevadense James D. Jokerst 1986-7-13 2714 Placer Trail from The Cedars, SW of Donner Lake, stop along trail S of Middle Fork American River, on bedrock. 1859 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
  UCD22122  Eriogonum umbellatum var. nevadense Rex Palmer 1979-7-11 N 589 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC262231  Eriogonum ursinum Rimo Bacigalupi; G. L. Stebbins; Alex Hawkes; Daniel Zohary; Howard Stutz; Fritz Ehrendorfer; Juan Hunziker 1952-7-20 3879 Placer Just south of Shirttail Public Camp, Tahoe Nat. Forest, six miles east of Iowa Hill 1066 Comment
  UC77785  Eriogonum ursinum C. F. Sonne 1894-9-2 Placer mts. s Summit Station; Sierra Nevada Mountains 2438 Comment
  CAS-BOT-BC262227  Eriogonum ursinum David D. Keck 1932-6-30 1576 Placer 1 mile E. of Cisco 1800 Comment
  UCR209740  Eriogonum ursinum var. ursinum George K. Helmkamp, E. A. Helmkamp 2009-8-12 15445 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill 2020 Comment
  UCR242366  Eriogonum ursinum var. ursinum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16668 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  JEPS56105  Eriogonum wrightii var. subscaposum Leland S. Smith 1925-1-1 1733 Placer Truckee River drainage Tahoe National Forest, Truckee River drainage Comment
  UC1029588  Eriogonum wrightii var. subscaposum Lewis S. Rose 1938-9-14 38260 Placer South Fork of Yuba River, Cisco 1615 Comment
  CAS-BOT-BC300951  Eriophyllum lanatum L. S. Smith 1926-5-23 1831 Placer Tahoe National Forest. Above Bear River, Colfax Rd. 853 Comment
  SJSU8792  Eriophyllum lanatum var. grandiflorum F. J. Santana 1958-5-10 Placer c. 1.5 mi from Auburn by Hwy 49 381 Comment
  UC1118243  Eriophyllum lanatum var. grandiflorum G. T. Nordstrom 1934-6-21 133 Placer 4 mi se Mammoth Springs (Plot #208); Tahoe National Forest, Colfax Quadrangle Comment
  UC147582  Eriophyllum lanatum var. grandiflorum Harriet A. Walker 1908-6-24 1249 Placer Blue Canyon 1432 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
  JEPS72564  Eriophyllum lanatum var. integrifolium Gladys L. Smith 1972-6-20 3231 Placer ridge from chairlift terminus to ultimate summit peak Ward Peak 2632 Comment
  UC148928  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-4 8744 Placer Cisco Sierra Nevada Mountains (s of Snowsheds, near type-locality of Bahia cuneata) 1828 Comment
  UC148991  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-10 8753 Placer Cisco Butte Sierra Nevada Mountains (near type-locality of Bahia cuneata) 1950 Comment
  UCD132224  Eriophyllum lanatum var. integrifolium G. 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
  SEINET8526933  Erodium brachycarpum S. L. Sedillos 1976-3-13 s.n. Placer South of Auburn, along the north fork of the American River 274 Comment
  JEPS127486  Erodium cicutarium Steve Matson 2004-7-1 1063 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters south of Highway 267, 20 meters east of Martis Creek. Comment
  UCSB45755  Eryngium pinnatisectum Reisentz, Paul 1979-5-11 Placer 1 mile south of Sheridan on Highway 65 Comment
  CAS-BOT-BC54319  Erysimum capitatum Alice Eastwood 1912-6-15 398 Placer Lake Tahoe Region. Deer Park. Comment
  POM94578  Erysimum capitatum Marcus E. Jones 1882-6-28 2620 Placer Emigrant Gap. Comment
  SEINET5342763  Erysimum capitatum L. Miller 1934-6-10 s.n. Placer Lake Tahoe, near Homewood. Comment
  SD247377  Erysimum capitatum var. perenne George K. Helmkamp, E. A. Helmkamp 2012-6-19 19249 Placer Northern Sierra Nevada Mountains: Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road. 2040 Comment
  UC1034896  Erysimum perenne G. B. Rossbach 1940-6-2 933 Placer gentle slope near nw shore Lake Tahoe 1981 Comment
  UC480718  Erysimum perenne W. C. Blasdale 1923-7-23 Placer top Lake Tahoe Region, Ellis Peak Comment
  UCR240922  Erysimum perenne George K. Helmkamp, E. A. Helmkamp 2012-6-19 19249 Placer Northern Sierra Nevada Mountains, Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road 2040 Comment
  SEINET8409826  Erythranthe breweri H. M. Hall 1910-6-22 8704 Placer Cisco; in the Transition Zone. 1800 Comment
  SEINET14217904  Erythranthe guttata F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  SEINET208781 Image available Erythranthe lewisii Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-1 2135 Placer Tahoe National Forest ; 3.3 miles northwest of Highway junction Calif. 89 and 28 at Tahoe City; on Calif. 89; 3.2 miles west of Calif. Highway 8. 2073 Comment
  SEINET8399963  Erythranthe lewisii Unknown 1968-7-11 2135 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89 Alpine Meadow. 2073 Comment
  UC1533102  Erythronium purpurascens Jon Winter 1970-7 Placer Duncan Peak Lookout Station Tahoe Nat'l Forest 2189 Comment
  SD248465  Eschscholzia caespitosa George K. Helmkamp, Elizabeth A. Helmkamp 2007-3-25 11709 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its juncton with CA-49 at the bridge of the junction of American River forks (Auburn 7.5'Q) 287 Comment
  UCD95313  Eschscholzia caespitosa G. K. Helmkamp; Elizabeth Helmkamp 2006-4-13 10198 Placer Northern Sierra Nevada Foothills; Forest Hill Road, 2.5 miles east of its junction with CA Hwy 49. North side of the middle fork of the American River. NE Auburn. 274 Comment
  UCR238588  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2012-3-31 18663 Placer Sacramento Valley, along CA-193, 0.3 mile northwest of its junction with Gold Hill Road 131 Comment
  CAS-BOT-BC402619  Eschscholzia caespitosa Helen Smith 1899-6-1 s.n. Placer Applegate Comment
  SEINET13276770 Image available Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2009-1 14557 Placer Sierra Nevada Mountains Foothills: Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River (Auburn 7.5' Q.) 277 Comment
  RSA11787  Eschscholzia lobbii Elmer I. Applegate 1928-4-22 5363 Placer Above Auburn on Grass Valley road Comment
  UC50565  Eschscholzia lobbii Mrs. Ames 1880-1 Placer Auburn Comment
  CDA24564  Eschscholzia lobbii W. E. Simonds 1960-4-1 Placer Fields north of Folsom. 0 Comment
  CHSC7101  Eucalyptus rudis D. Russell Droege 1969-4-7 7 Placer 3 3/4 mi from Ridge Road and Taylor Road on intersection on Ridge Road. Comment
  SJSU11797  Eucephalus breweri H. T. Harvey 1958-8-19 Placer Sugar Bowl 1 mi S of Donner Summit 2164 Comment
  UCD21707  Eucephalus breweri Rex Palmer 1979-7-25 N 685 Placer Headwaters basin area of the North Fork of the American River Comment
  SD113526  Euphorbia crenulata Darley F. Howe 1948-5-23 1816 Placer American River 299 Comment
  SEINET11261856  Euphorbia crenulata George Helmkamp, E. A. Helmkamp 2012-5-11 18943 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.2 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1104 Comment
  JEPS51867  Euphorbia crenulata Leland S. Smith 1925-6-4 1621 Placer Forest Hill Tahoe Forest (s Placer County) 762 Comment
  CHSC114304  Euphorbia epithymoides J. Honeycut 2010-6-25 Placer Tahoma; Hwy 89 right-of-way Comment
  UCR257773  Euphorbia nutans George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20036 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  UC1179070  Eurybia integrifolia Herbert L. Mason 1939-8-3 12205 Placer near Lake Tahoe; Squaw Creek Valley 1889 Comment
  UC193542  Eurybia integrifolia C. F. Sonne 1885-8-9 Placer on road to Tahoe Comment
  UCD43311  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 679 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET3141531  Eurybia integrifolia L. S. Rose 1938-9-14 38264 Placer S fork of Yuba Rv., 3 mi. E of Cisco 1737 Comment
  UC193445  Eurybia radulina E. L. Greene 1895-7-20 Placer Blue Canon Comment
  UCD43902  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1268 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SACT001176  Festuca pratensis D. Meyer 1983-7-16 Placer 1624.0 Comment
  CHSC74045  Festuca rubra Susi Urie 1998-8-18 98 -071 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SACT001193  Festuca rubra D. Meyer 1983-8-7 Placer 4.6 miles south of county line. Roadside. 1758.0 Comment
  SACT001217  Festuca rubra D. Meyer 1984-8-26 Placer 1660.0 Comment
  UC1132003  Festuca rubra H. S. Yates 1936-8-9 5985 Placer 2 mi sw Martis Pk.; Truckee Quad. 2286 Comment
  SACT001201  Festuca viridula D. Meyer 1983-8-20 Placer From Alpine Meadows Road to summit of trail at first lake steep rocky trail with some moist meadow. 2000.0 Comment
  SACT001212  Festuca viridula Michael Baad 1983-8-27 Placer 2072.64 Comment
  UCR194963  Filago gallica George K. Helmkamp, E. A. Helmkamp 2007-5-18 12026 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  CAS-BOT-BC53546  Frangula californica subsp. tomentella Catherine Best 1985-9-15 1147 Placer near Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  CAS-BOT-BC53547  Frangula californica subsp. tomentella W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Comment
  SD81185  Frangula californica subsp. tomentella D. F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  SEINET11243895  Frangula californica subsp. tomentella W. D. Billings 1939-3-19 1191 Placer Roadside 2 miles north of Auburn. Comment
  UCD121438  Frasera albicaulis var. nitida Forest Service 1917-5-1 s.n. Placer Or Plumas Co. Downieville. Comment
  RSA25140  Fritillaria micrantha C. L. Hitchcock 1940-5-7 6335 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC505322  Fritillaria micrantha Catherine A. Toschi 1963-3-23 63 : 78 Placer 3 miles east of Auburn Comment
  POM260073  Fritillaria recurva C. L. Hitchcock 1940-5-7 6308 Placer 1 mile west of Baxter Comment
  UCR250272  Galium aparine George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20335 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 Comment
  UCD22289  Galium bifolium Rex Palmer 1979-6-20 N 343 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD75698  Galium bifolium Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5147 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  POM67595  Galium bolanderi Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SD241947  Galium bolanderi George K Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains: along Forst Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mile ESE of Whisky Hill (Duncan Peak 7.5'Q) 1677 Comment
  UCR206857  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15200 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CDA16821  Galium grayanum subsp. grayanum G. F. Hrusa, J. Glazner 2001-7-15 15961 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  UC1143088  Galium grayanum var. grayanum N. French 1934-6-22 351 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  SEINET12285646  Galium multiflorum C. F. Sonne 1885-1 s.n. Placer mts. above Coldstrain Comment
  SEINET9349432  Galium parisiense Unknown 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills Comment
  UCR209739  Galium porrigens George K. Helmkamp, E. A. Helmkamp 2009-8-12 15427 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  CAS-BOT-BC539314  Galium sparsiflorum G. Ledyard Stebbins 1976-7-3 7670 Placer Big Crater [exact location unknown] Comment
  SEINET12562631  Galium trifidum K. Schutz 1972-9-10 s.n. Placer Basin Peak. 2438 Comment
  UCD75773  Galium trifidum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5246 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
  CDA25019  Galium trifidum var. pacificum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC178506  Garrya flavescens W. R. Dudley 1909-7-22 s.n. Placer Lover's Leap, American River Comment
  CDA14330  Gaultheria ovatifolia G. F. Hrusa 1993-11-3 11470 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  UCD21987  Gayophytum Rex Palmer 1979-5-27 N 46 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR179199  Gayophytum diffusum Rex Palmer 1979-7-25 N- 681 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  RSA144917  Gayophytum diffusum subsp. parviflorum John H. Thomas, Hazelle A. Thomas 1956-7-21 6114 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2134 Comment
  UC1122588  Gayophytum diffusum subsp. parviflorum B. Bolt 1934-7-17 129 Placer 1/2 mi s Lost Emigrant Mine (Plot 211); Tahoe National Forest, Truckee Quadrangle Comment
  UCD42939  Gayophytum diffusum subsp. parviflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 308 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR171343  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9988 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
  OBI48972  Gayophytum heterozygum Unknown 1882-7-3 s.n. Placer Alta Comment
  UCR257633  Gayophytum heterozygum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19531 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
  SEINET4150926  Gayophytum heterozygum P. A. Lehenbauer 1933-8-6 2456 Placer Lake Tahoe near Homewood Comment
  SEINET9323101  Gayophytum humile Unknown 1999-7-17 15128 Placer Martis Valley Comment
  UCD150711  Gayophytum ramosissimum James A. Neilson Jr. 1970-1 1936 Placer Tahoe Basin, Lower Ward Creek. 2011 Comment
  SEINET10880779 Image available Gentiana calycosa William H. Brewer 1864-1 Brewer 2164 Placer Sierra Nevada. 2682 Comment
  JEPS47083  Gentianella amarella subsp. acuta Rowena Beans 1914-9-7 Placer Tahoe; Lake Tahoe Comment
  JEPS47058  Gentianopsis simplex Rowena Beans 1914-9-7 Placer w. of Tahoe Tavern 2 mi., Lake Tahoe Lake Tahoe Comment
  SEINET8588377  Gentianopsis simplex P. A. Lehenbauer 1929-8-15 2603 Placer Watson Lake, 4 miles N of Tahoe City. Comment
  UC35441  Gentianopsis simplex C. F. Sonne 1885-8-9 Placer meadows along Truckee R. Truckee R. Comment
  CDA36896  Geranium dissectum CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 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
  UCD103364  Geranium dissectum M. H. Mills 1996-4-12 133 Placer Along Walden Lane, Loomis. 180 Comment
  SD237463  Geranium molle G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15905 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
  UCD42916  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 284 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR120237  Geum macrophyllum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5067 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  CAS-BOT-BC459366  Geum macrophyllum Grant 1906-7-15 7022 Placer Tahoe Tavern, Lake Tahoe Comment
  SBBG2926  Geum macrophyllum var. perincisum H. and M. Dearing 1939-7-3 3839 Placer Truckee River, near Lake Tahoe 1828 Comment
  JEPS71885  Geum triflorum Gladys L. Smith 1972-6-20 3220 Placer Ward Peak, from chairlift terminus to ultimate summit peak Ward Peak 2632 Comment
  JEPS127519  Geum triflorum var. ciliatum Steve Matson 1997-7-5 42 Placer nSNH: jMartis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north side of Hwy 267, 1 kilometer west of Martis Creek. Comment
  UCSC000605  Gilia capitata N. French 1934-5-31 383 Placer Mamouth Springs. Colfax. 1646 Comment
  UC147605  Gilia capitata subsp. mediomontana Harriet A. Walker 1908-6-27 1325 Placer Blue Canyon 1432 Comment
  UCR194932  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2007-5-18 12015 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR207858  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2009-4-22 14563 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  SEINET7963106 Image available Gilia gilioides var. greeneana L. S. Rose 1941-1 41291 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  UCR146919  Gilia leptalea Beecher Crampton 1961-9-27 6003 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  POM260452  Githopsis specularioides C. L. Hitchcock 1940-5-14 6381 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  JEPS103556  Glyceria borealis Lowell Ahart 2002-7-22 9907 Placer In a small lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  UCD55212  Glyceria declinata John Gerlach 2006-5-6 s.n. Placer Twelve Bridges. Comment
  CAS-BOT-BC282690  Glyceria elata L. S. Smith 1938-1-22 2799 Placer Along So. Fork Squaw Creek 1981 Comment
  CDA25012  Glyceria elata J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Moist meadow betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SACT001252  Glyceria elata Michael Baad 1976-7-21 Placer Lower south west-facing slopes of Lyon Peak, southeast of Soda Springs. 2377.0 Comment
  SACT001255  Glyceria elata D. Meyer 1984-7-15 Placer 1909.0 Comment
  SACT001257  Glyceria elata D. Meyer 1984-8-26 Placer 1660.0 Comment
  UCD36713  Glyceria elata Beecher Crampton 1955-7-13 2998 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD44578  Glyceria elata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1944 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD66852  Glyceria elata R. Tofsrud 1951-7-1 Placer On Hwy. 40, above Baxter, 3/4 mile below drinking station. Comment
  UCD66739  Glyceria grandis W. L. Jepson 1934-8-7 16882 Placer Truckee River, near Squaw Creek. Comment
Read comments Feb 25 2011
  POM112751  Glyceria striata Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  CAS-BOT-BC307365  Gnaphalium palustre John H. Thomas; Hazelle A. Thomas 1956-7-21 6165 Placer Vicinity of Donner Pass about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  CAS-BOT-BC307367  Gnaphalium palustre Margaret Williams 1974-8-8 74 -P1-1 Placer Murphy's Meadow 5 miles southeast of Hirschdale, Sierra Nevada 2316 Comment
  RSA102064  Gnaphalium palustre John H. Redfield 1872-8-7 189 Placer Blue Canyon. Comment
  UC581141  Gnaphalium palustre H. L. Mason 1932-9-9 77175 Placer Cisco Comment
  CHSC84567  Gratiola ebracteata John Dittes 2003-5-25 2003 -24 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In beds of vernal pools. 39 Comment
  UC1745633  Gratiola ebracteata Annetta M. Carter 1945-11-4 1736 Placer Ca. 5 mi. NW of Roseville. Sacramento Valley. Comment
  CAS-BOT-BC314602  Grindelia hirsutula Saichi Kawahara 1969-5-25 1030 Placer Nigger George Ravine, near BM 2393, Colfax - Iowa Hill Road 729 Comment
  UCR194702  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2007-5-30 12207 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 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
  SEINET7725991  Habenaria sparsiflora Unknown 1888-1 Placer Comment
  UCD22128  Hackelia Rex Palmer 1979-6-21 N 366 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC24782  Hackelia micrantha J. Burtt Davy Jun 25 1897-Jun 30 1897 3244 Placer near Tahoe; Truckee River Basin Comment
  UCD22129  Hackelia micrantha Rex Palmer 1979-6-20 N 282 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD42948  Hackelia micrantha C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 317 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  POM181063  Hackelia nervosa A. A. Heller 1912-7-20 10591 Placer Summit. 2073 Comment
  JEPS71518  Hackelia velutina Gladys L. Smith 1972-6-20 3235 Placer ridge from chairlift terminus to Ultimate Summit Peak; Ward Peak 2632 Comment
  UCD22133  Hackelia velutina Rex Palmer 1979-7-25 N 807 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC306526  Helenium bigelovii Brandegee No date on label s.n. Placer Cisco Comment
  SACT000811  Heleochloa schoenoides Josephine Van Ess 1976-8-11 Placer Collected on outskirts of Lincoln in dried pond near clay plant. Comment
  UC88866  Helianthella californica subsp. nevadensis unknown 1888-9-1 Placer Blue Canyon Comment
  POM260044  Helianthella californica var. nevadensis C. L. Hitchcock 1940-5-14 6392 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UCR207103  Helianthella californica var. nevadensis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15223 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
  SJSU11836  Helianthus annuus C. T. Osugi 1969-10-4 79 Placer Loomis, 21 mi NE of Sacramento 121 Comment
  JEPS14349  Helianthus bolanderi Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Howard Stutz, Alex D. Hawkes, Juan Hunziker, 1952-7-20 3883 Placer 7 mi e Iowa Hill 1158 Comment
  UCD43017  Heracleum maximum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 386 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC123626  Hesperochiron latifolius Albert Kellogg s.n. Placer Cisco Comment
  CHSC47514  Hesperocnide tenella Lowell Ahart 1975-4-7 Placer Around very large granite rocks, about 1/2 mile north-east of the intersection of Wise Road and McCortney Road, north-east of Lincoln. 42 Comment
  SEINET10972522  Heterocodon rariflorum Raven Raven 9997 Placer 1 MI FROM BLUE CANYON ON RD TO EMIGRANT GAP Comment
  SFV18651  Heterocodon rariflorum J. D. Dilley 2002-7-3 466 Placer Sierra Nevada Onion Valley south of Emigrant Gap. Mudflat by stream in an area burned one year ago (Gap Fire 2001). Comment
  SD234517  Heuchera micrantha G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12193 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 15 miles east of its junction with Forest Hill Road in Foresthill, south of site of Bake Oven. 915 Comment
  UCR193334  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2007-5-30 12193 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 15 miles east of its junction with Forest Hill Road in Foresthill, south of site of Bake Oven 915 Comment
  SJSU10366  Heuchera rubescens R. L. Fisher 1959-8-16 Placer near summit Anderson Peak 2642 Comment
  UC11368  Heuchera rubescens var. glandulosa Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC319600  Hieracium albiflorum Emily K. Mcpherson 1975-9-19 76- 28 -8 Placer One mile east of Talbot Campground near mid fork American River, Sierra Nevada 1767 Comment
  SCFS1117  Hieracium albiflorum E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail at Bailey Cabin. Comment
  UC92008  Hieracium argutum Brandegee 1888-9-1 Placer Blue Canon Comment
  CAS-BOT-BC318636  Hieracium horridum Alice Eastwood 1909-1-1 223 Placer Deer Park Comment
  JEPS71821  Hieracium horridum Gladys L. Smith 1972-8-25 3441 Placer glacial stairstep between Squaw Valley and Granite Chief 2194 Comment
  POM118251  Hieracium scouleri H. M. Hall 1912-7-18 9365 Placer Willow Creek. 1280 Comment
  UC1132401  Holcus lanatus N. French 1933-5-5 42 Placer s Newcastle; Sacramento Quadrangle Comment
  CAS-BOT-BC152579  Holodiscus discolor var. discolor A. A. Heller 1917-8-13 12896 Placer Base of a cliff north of Summit Hotel 2164 Comment
  SACT001321  Hordeum Michael Baad 1983-7-23 Placer Tahoe Airport along northeast side of Highway 267 2100.0 Comment
  SACT001299  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of road in moist soil. 2072.64 Comment
  UCD22253  Hordeum brachyantherum Beth Lowe Corbin 1982-8-3 171 Placer Onion Creek Campground. S facing slope. Full sun to partial shade. Moderately abundant. Dry, open meadow of mixed conifer forest in fine, sandy, granitic soil. More abundant toward creek. Perennial bunchgrass, forming moderately large clumps. Inflorescence purplish. 1841 Comment
  UC1132110  Hordeum brachyantherum subsp. brachyantherum B. Bolt 1934-7-16 166 Placer 1/2 mi s Lost Emigrant Mine; Truckee Quad., Tahoe National Forest Comment
  SACT001339  Hordeum geniculatum D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001343  Hordeum hystrix Josephine Van Ess 1976-4-26 Placer Collected near top of first hill. 91.5 Comment
  SACT001368  Hordeum leporinum Josephine Van Ess 1977-4-29 Placer 39.6 Comment
  SACT001381  Hordeum leporinum D. Meyer 1984-5-6 Placer 145.5 Comment
  SACT001364  Hordeum leporinum 1977-4-13 Placer Moist riverside. 67.1 Comment
  UCR258540  Hordeum murinum subsp. glaucum George K. Helmkamp, Amy Barnes 2014-3-21 22634 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  HSC10202  Hordeum murinum subsp. leporinum L. M. Malloy 1965-4-17 26 Placer 5 mi. S of Auburn, 1/2 mi. E of Scott's Corner off of County Rd. P. 58. Comment
  SACT001358  Hordeum vulgare D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 20.0 Comment
  RSA35116  Horkelia fusca subsp. parviflora L. S. Rose 1944-7-13 44102 Placer Chambers Lake, Lake Tahoe. 1921 Comment
  RSA451906  Horkelia fusca subsp. parviflora Bonnie C. Templeton 1931-7-5 1519 Placer Meeks Bay, Lake Tahoe. 2250 Comment
  UC1128154  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 124 Placer 1/2 mi s Lost Emigrant Mine; Truckee Quad., Tahoe National Forest 2072 Comment
  UC860225  Horkelia fusca subsp. parviflora Alice Eastwood Jun 15 1912-Jun 19 1912 454 Placer Deer Park Lake Tahoe Region Comment
  JEPS44569  Horkelia fusca subsp. parviflora C. F. Sonne 1887-6-1 81 Placer sierra nevada mountains Comment
  CAS-BOT-BC537862  Horkelia fusca var. parviflora A. A. Heller 1917-8-13 12939 Placer Base of a cliff north of Summit hotel 2164 Comment
  CAS-BOT-BC537864  Horkelia fusca var. parviflora A. A. Heller 1919-7-25 13302 Placer Sandy flat near the Yuba river, below Cisco 1676 Comment
  SD81224  Horkelia tridentata Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 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
  CAS-BOT-BC537950  Horkelia tridentata var. tridentata H. D. Ripley; R. C. Barneby 1948-7-13 9819 Placer SW. of Emigrant Gap 1676 Comment
  CAS-BOT-BC537976  Horkelia tridentata var. tridentata Marcus E. A M Jones 1882-6-27 3291 Placer Emigrant Gap Comment
  JEPS71481  Hydrophyllum capitatum var. alpinum Gladys L. Smith and Betsy Wilson 1972-4 3621 Placer lower slopes Ward Peak (Sherwood Forest); Sherwood Forest 2133 Comment
  CAS-BOT-BC400937  Hypericum anagalloides A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end of Summit Valley 2042 Comment
  UCR111003  Hypericum anagalloides George K. Helmkamp, E. A. Helmkamp 1999-6-30 5108 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  CAS-BOT-BC400935  Hypericum anagalloides B. C. Cain 1925-8-15 21 Placer 2 mi south of Auburn near Wise Power House Comment
  JEPS111214  Hypericum formosum var. scouleri Steve Matson 2005-7-4 1380 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; 39.2870 N, 120.1399 W: elevation 5,900 ft. 1798 Comment
  RSA458264  Hypericum perforatum Wm. Martin 1971-9-10 20281 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  SD81186  Hypericum perforatum Darley F. Howe 1971-6-24 Placer 1.4 miles east of Forest Hill. 1096 Comment
  UCD43173  Hypericum scouleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 542 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET5344059  Hypericum scouleri P. A. Lehenbauer 1932-6-26 s.n. Placer Near Tahoe City Comment
  CAS-BOT-BC312895  Hypochaeris glabra Leland S. Smith 1926-5-23 s.n. Placer Forest Hill Divide, south of Colfax Comment
  CAS-BOT-BC312897  Hypochaeris glabra Gordon H. True 1971-4-21 6524 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  RSA129914  Ipomoea purpurea P. H. Raven 1954-8-27 7963 Placer Penryn. Comment
  UC1123682  Ipomopsis aggregata N. French 1934-6-22 451 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle 2286 Comment
  RSA795076  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2011-8-26 18180 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 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
  CAS-BOT-BC133611  Iris hartwegii C. L. Hitchcock 1940-5-7 6329 Placer Ca. 1 mile west of Baxter Comment
  SEINET9355646  Iris hartwegii Unknown 2009-5-11 14653 Placer Sierra Nevada Mountains Foothills Comment
  SEINET4170704  Iris hartwegii Unknown 1974-5-25 41 Placer Mosquito Ridge Road , 5.2 miles east of Foresthill , 975 Comment
  UCD23395  Iris hartwegii Toni Grant 1977-5-28 34 Placer Pale yellow flowers in scattered groups, partial to full sun. 2 miles SE of Auburn Foresthill Rd. on Mosquito Ridge Rd. Intersection is 20 miles NE of Auburn Foresthill Bridge. Comment
  UCR137663  Iris hartwegii subsp. hartwegii E. Brenner, J. Hunter 1996-5-26 008 Placer Sierra Nevada Mountains, Tahoe National Forest, along Forest Hill Road at Mosquito Ridge at Volcano Canyon 1870 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
  SEINET11261858  Iris hartwegii subsp. pinetorum George Helmkamp, E. A. Helmkamp 2012-5-11 18942 Placer Foothills, Northern Sierra Nevada Mountains: Finning Mill Road, at the junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1136 Comment
  CHSC82704  Isoetes howellii Lowell Ahart 2002-7-22 9917 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  RSA739596  Isoetes howellii John Dittes 2003-5-25 2003 -28 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  CAS-BOT-BC324810  Iva axillaris Peter H. Raven 1956-8-4 9978 Placer Blue Canyon, Sierra Nevada 1432 Comment
  SEINET9304862  Iva axillaris Unknown 1956-7-17 3720 Placer Blue Canyon Comment
  UC191322  Ivesia shockleyi var. shockleyi C. F. Sonne 1879-8-1 Placer near Summit Tinkers Knob 2895 Comment
  SEINET11907304  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 Placer Tinker Knob 2743 Comment
  SACT002749  Juglans hindsii Josephine Van Ess 1977-4-29 Placer Collected north of PFE Road. Old tree on which root stock has taken over. 27.4 Comment
  UCD44492  Juncus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1858 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC74320  Juncus balticus Susi Urie 1998-9-3 98 -236 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  SBBG794  Juncus balticus E. R. Blakley 1960-9-3 3811 Placer Kings Beach, Lake Tahoe 1903 Comment
  UCD43279  Juncus balticus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 647 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET6744631 Image available Juncus bufonius Marcus E. Jones 1882-1 2903 Placer Colfax, California Comment
  UCD43302  Juncus bufonius var. occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 670 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  UCR179422  Juncus chlorocephalus E. Lowe Corbin 1982-8-19 385 Placer Northern Sierra Nevada Mountains, Headwaters Basin Region of the North Fork of the American River 2 mi SSE of The Cedars [NW of Squaw Valley, south of Norden] 2012 Comment
  JEPS49025  Juncus chlorocephalus Leland S. Smith 1927-8-15 2253 Placer n of Donner Summit 2200 Comment
Read comments Dec 13 2006
  UCD42910  Juncus drummondii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 278 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  RSA0012138  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17674 Placer Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  UCR190586  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12957 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  CHSC73103  Juncus ensifolius L. P. Janeway 1998-8-6 5980 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UC1101105  Juncus ensifolius Malcolm A. Nobs and S. Galen Smith 1949-8-21 1518 Placer n end Lake Tahoe (between sandy beach and Agate Bay) 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
  CHSC74024  Juncus nevadensis Susi Urie 1998-8-17 98 -057 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. Narrow meadow stringer. 2097 Comment
  JEPS67040  Juncus nevadensis W. L. Jepson 1918-7-30 7736 Placer near Tahoe City; Lake Tahoe 1920 Comment
  NY21827  Juniperus californica M. E. Jones 1882-1 5623 Placer Soda Springs Comment
  JEPS102613 Image available Juniperus grandis Lowell Ahart 2001-10-10 9335 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
  UC480736  Kalmia polifolia subsp. microphylla W. C. Blasdale 1923-7-15 Placer Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  POM216172  Keckiella breviflora D. D. Keck 1933-6-1 2432 Placer 2.3 miles southeast of Loomis on back road to Folsom. Comment
  UC1280800  Keckiella breviflora H. E. McMinn 1926-5-28 1751 Placer 6 mi n Folsom ((Allens - local name of place)) Comment
  UC565579  Keckiella breviflora Herbert L. Mason 1926-5-26 3272 Placer 5 mi above Auburn Comment
  CAS-BOT-BC235626  Keckiella breviflora var. breviflora C. L. Hitchcock 1940-5-4 6413 Placer Meier Ranch, ca. 6 mi. north of Colfax 762 Comment
  JEPS15111  Keckiella breviflora var. breviflora N. French 1934-5-29 377 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quad. 1463 Comment
  SCFS997  Keckiella lemmonii E. Krimmel 2014-7-15 Placer North Fork American River. Below Soda Springs Rd, on trail 1/4-mile above Heath Falls Overlook. Comment
  CAS-BOT-BC334217  Kelloggia galioides George K. Helmkamp; E. A. Helmkamp 2012-6-19 19223 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road (Deadwood Rd.), 1.2 miles S of its junction with Foresthill Road 1648 Comment
  JEPS127441  Kelloggia galioides Steve Matson 1997-7-15 5 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/kings Beach; dirt road extension of Tiger Ave. Comment
  RSA0053705  Kelloggia galioides G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19223 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road (Deadwood Rd.), 1.2 miles S of its junction with Foresthill Road 1648 Comment
  UC1125663  Kelloggia galioides B. Bolt 1934-7-19 152 Placer 1 mi s Whiskey Hill; Tahoe National Forest 1645 Comment
  SEINET8730617 Image available Kelloggia galioides L. S. Rose 1941-1 41338 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  UCR123467  Kickxia elatine George K. Helmkamp, E. A. Helmkamp 1999-6-29 5053 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  CHSC3141  Kolkwitzia amabilis Gary Dutton 1966-4-29 165 Placer Found at 228 Donner Ave in backyard. Roseville. Comment
  CHSC45404  Kumlienia hystricula Lowell Ahart 1973-3-28 188 Placer Along a small stream, along Mosquito Ridge Road, about 10 miles east of Foresthill. 1371 Comment
  UCR208600  Kumlienia hystricula George K. Helmkamp, E. A. Helmkamp 2009-5-7 14630 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  SEINET5338190  Kumlienia hystricula S. Dean 1979-3-31 s.n. Placer Eldorado Creek near junction with North Fork of Middle fork of American River on Mosquito ridge to French meadows. 518 Comment
  JEPS12637  Lagophylla ramosissima W. H. Shockley 1886-6-20 Placer Auburn Comment
  CDA37227  Lamium amplexicaule CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 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
  SEINET7949741  Lamium amplexicaule P. A. Lehenbauer 1937-4-11 s.n. Placer Auburn. Comment
  UC30449  Lasthenia californica H. N. Bolander 1865-4-11 4545 Placer Auburn Comment
  UCR249556  Lasthenia californica George K. Helmkamp 2013-3-1 20150 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  RSA585986  Lasthenia fremontii Adree M. Desrochers 1988-4-20 304 Placer Lincoln; along Hwy 65; 1.8 km from 5th Street/Rd 65 on E side of Hwy 65. Comment
  UC15345  Lathyrus nevadensis var. nevadensis State Survey 1865-4-13 4629 Placer Forest Hill Comment
  CAS-BOT-BC175712  Lathyrus sulphureus G. 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
  UC30610  Layia fremontii H. N. Bolander 1865-4-11 4548 Placer near Auburn Comment
  JEPS82335  Lepidium campestre Gladys L. Smith 1982-6-24 7427 Placer Goose Meadow Comment
  CAS-BOT-BC88832  Lepidium campestre Elsie Z. Lovegrove 1947-6-4 s.n. Placer Tahoe City, bridge. Comment
  CDA15670  Lepidium densiflorum G. F. Hrusa, J. Glazner 1999-7-18 15217 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS113103  Lepidium nitidum var. nitidum Lowell Ahart, Brian Williams 2007-4-13 13639 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC570340  Lepidium perfoliatum N. French 1933-6-15 78 Placer Clipper Cap Sacramento Quad. 518 Comment
  UCD82963  Lepidium perfoliatum Albert Grigarick 2009-6-15 110 Placer E of Truckee, in parking area at the entrance of Martis Creek into Martis Creek Reservoir. 1775 Comment
  UCD22377  Lepidium ramosissimum Beth Lowe Corbin 1982-8-3 168 Placer Onion Creek Campground. S facing slope. Moderately abundant. Full sun. In fine, sandy, granitic soil of open, dry meadow in mixed conifer forest. Annual. Sepal margins white. 1841 Comment
  HSC33421  Lepidium virginicum var. menziesii Thomas W. Nelson, James Nelson 1974-6-17 1371 Placer Dollar Point overlooking Lake Tahoe, N of Tahoe City 1585 Comment
  UCR191090  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12323 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  RSA293428  Leptosiphon bicolor Reino Alava 1958-5-3 2027 Placer On roadside meadow, eleven miles from Auburn on the County Road No. 79. Comment
  POM75327  Leptosiphon harknessii H. M. Hall 1910-6-26 8717 Placer Cisco; Upper Transition Zone 1800 Comment
  SEINET14168140  Leptosiphon harknessii H. M. Hall 1910-6-26 8717 Placer [Sierra Nevada] Cisco 1800 Comment
  SEINET11990836  Lesquerella occidentalis C. F. Sonne 1885-1 s.n. Placer mt. head of Squaw Valley Comment
  CAS-BOT-BC341770  Lessingia nemaclada B. C. Cain 1925-8-15 14 Placer 2 mi. south of Auburn at Wise Power House Comment
  UCD35595  Lessingia virgata Beecher Crampton 1958-7-11 5010 Placer 3.3 miles east of Sheridan. Comment
  CAS-BOT-BC334599  Leucanthemum vulgare Peter H. Raven 1956-8-4 9982 Placer Blue Canyon, Sierra Nevada 1432 Comment
  JEPS16971  Leucanthemum vulgare Peter H. Raven 1956-8-4 9982 Placer Blue Canyon; Sierra Nevada 1432 Comment
  UC1136687  Lewisia nevadensis N. French 1934-6-19 319 Placer 1/4 mi w Devil's Peak; Tahoe National Forest, Colfax quadrangle Comment
  RSA123078A  Lewisia rediviva N. H. French 1934-6-19 422 Placer 1/4 mile W of Devil s Peak. 2104 Comment
  UC148958  Lewisia triphylla H. M. Hall 1910-6-26 8715 Placer Cisco Sierra Nevada Mountains, Cisco 1828 Comment
  POM101906  Lewisia triphylla Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  SEINET5336592  Lewisia triphylla A. A. Heller 1909-7-16 9858 Placer Summit 2134 Comment
  MACF019631  Libocedrus decurrens Fay A. MacFadden 1934-8-3 12824 Placer California Comment
  CAS-BOT-BC436045  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer Mt. Lincoln south of Summit valley 2499 Comment
  CAS-BOT-BC436047  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer Mt. Lincoln south of Summit valley 2499 Comment
  CDA24986  Ligusticum grayi J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC21115  Ligusticum grayi A. M. Carpenter 1893-8 Placer Comment
  UCR215902  Lilium humboldtii subsp. humboldtii George K. Helmkamp, Amy Barnes 2009-7-12 15171 Placer Sierra Nevada Mountains Foothills, along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  CAS-BOT-BC130779  Lilium pardalinum A. M. Vollmer; L. Beane 1951-7-1 188 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC130781  Lilium pardalinum Mrs. H. M. Mitchell 1930-6-7 s.n. Placer Between Colfax and Dutch Flat Comment
  SEINET3992198  Lilium pardalinum Vollmer, L. Beane 1951-1 188 Placer Bear Valley, east of Nevada City Comment
  SEINET8393639  Lilium pardalinum Unknown 1951-1 188 Placer Bear Valley, east of Nevada City. Comment
  RSA75405  Lilium parvum Albert M. Vollmer, L. Beane 1951-07 190 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC508489  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 190 Placer Bear Valley, east of Nevada City Comment
  LA84032  Lilium washingtonianum O. H. Kappler; 1946-6-18 1321 Placer Lake Tahoe, NW shore 1920 Comment
  UCR215987  Lilium washingtonianum var. washingtonianum George K. Helmkamp, Amy Barnes 2009-7-12 15179 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UCR246823  Lilium washingtonianum var. washingtonianum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16650 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  JEPS19575  Limnanthes alba Wm. H. Shockley 1879-1 Placer Auburn Comment
  UCD116450  Limnanthes alba Lynn Gould 1962-4-17 53 Placer on P. F. E. Road 6 miles west of Roseville. 45 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
  SEINET3163744  Linanthus bicolor G. B. Grant 1906-7-20 696 Placer Pacific Coast; Lake Tahoe 1829 Comment
  CDA15938  Linanthus harknessii G. F. Hrusa, J. Glazner 1999-7-17 15153 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC133951  Linanthus harknessii Miss Harriet A. Walker 1908-7-27 1452 Placer Cisco, near the hotel Cisco 1810 Comment
  UCR120500  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5033 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CDA6358  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4181 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  OBI60154  Lindernia dubia David J. Keil, with Kathleen A. Keil 1999-7-17 28381 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  CAS-BOT-BC240379  Linnaea borealis subsp. longiflora Margaret J. Williams 1984-6-24 84- 62 -1 Placer Near Hwy 20, Skillman Flat Campground 1341 Comment
  JEPS72644  Linum lewisii Gladys L. Smith 1972-6-20 3243 Placer Summit ridge from ski lift to top of Ward Peak 2621 Comment
  CAS-BOT-BC36162  Lithocarpus densiflorus var. densiflorus D. L. Smith; G. L. Stebbins 1976-7-4 C 7682 Placer Little Crater, on north side of Ralston Ridge. 1463 Comment
  SACT002871  Lithocarpus densiflorus var. echinoides Michael Baad 1983-7-10 Placer 0.8 mile by road southeast of East Fork of North Fork of American Riveron road to Hellister Point from Emigrant Gap. Comment
  CAS-BOT-BC435494  Lithophragma glabrum Alice Eastwood 1912-6-15 376 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC435606  Lithophragma glabrum A. A. Heller 1917-6-17 12684 Placer Near the Yuba river below Cisco 1676 Comment
  JEPS127559  Lithophragma glabrum Steve Matson 1998-5-24 214 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 400 m north of Hwy 267, east of Martis Creek, along fence line, east boundary of MCWA. Comment
  JEPS59432  Lithophragma tenellum Ezra Brainerd and Viola B. Baird 1915-7-25 152 Placer Garden of the Gods above Deer Park Inn; Sierra Nevada Mts., Garden of the Gods 2133 Comment
  UC78968  Lithospermum californicum Katharine Brandegee 1899-7-6 Placer Shady Run Comment
  CAS-BOT-BC342358  Logfia gallica John Thomas Howell; Gordon True 1971-5-26 47632 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC283556  Lolium John Thomas Howell; Gordon H. True 1971-5-26 47619 Placer N limits of Lincoln 48 Comment
  SACT001445  Lolium multiflorum D. Meyer 1983-5-7 Placer Roadside Comment
  UC1132191  Lolium multiflorum N. French 1933-6-5 69 Placer Middle Fork American River; Sacramento Quad., Middle Fork American River Comment
  SACT001450  Lolium perenne D. Meyer 1984-6-23 Placer Along Placer-Nevada County Line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  SEINET3282812 Image available Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14567 Placer Sierra Nevada Mountains Foothills; Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River. 399 Comment
  CAS-BOT-BC226936  Lomatium caruifolium var. denticulatum George K. Helmkamp; E. A. Helmkamp 2011-4-10 17169 Placer Sacramento Valley: along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  JEPS111133  Lomatium nevadense Steve Matson 2005-6-11 1264 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3008 N, 120.1361 W; Elevation 5850 ft. 1783 Comment
  UC21193  Lomatium utriculatum H. N. Bolander 1865-4-13 4578 Placer Newcastle Comment
  UC1125215  Lonicera conjugialis N. French 1934-6-18 419 Placer Lock Leven Lakes Tahoe National Forest, Truckee Quadrangle Comment
  UCD150305  Lonicera conjugialis James A. Neilson Jr. 1971-7-17 2252 Placer Tahoe Basin, McKinney Lake. 2072 Comment
  UCD50453  Lonicera conjugialis D. Axelrod 1982-1 s.n. Placer Exact location unknown. Comment
  UCR194938  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12014 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  POM27004  Lotus incanus Marcus E. Jones 1882-5-3 s.n. Placer Colfax Comment
  JEPS20049  Lotus incanus Leland S. Smith 1926-5-25 1859 Placer e of Michigan Bluff (below Dollar Camp); Mosquito Ridge 1219 Comment
  CDA36916  Lotus micranthus CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UC864948  Lotus micranthus C. L. Hitchcock 1940-5-7 6322 Placer ca 1 mi w Baxter Comment
  UC186937  Lotus nevadensis var. nevadensis C. F. Sonne Jul 1883 Placer meadow along Truckee River Truckee River Comment
  UCR231845  Lotus oblongifolius George K. Helmkamp, E. A. Helmkamp 2010-8-14 16796 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  JEPS59490  Lotus oblongifolius var. oblongifolius Ezra Brainerd and Viola B. Baird 1915-7-12 242 Placer n side Donner Lake; Sierra Nevada Mts. 1828 Comment
  SEINET9325113  Lotus oblongifolius var. oblongifolius Unknown 1972-7-26 8855 Placer Ca 1 mi W of Cisco Grove on I-80, moist rdbanks at base and upslope UC Davis Herbarium Comment
  CDA19491  Lotus purshianus var. purshianus M. I. Wibawa 2002-5-27 262 Placer Sacramento Valley; Folsom Lake State Recreation Area. 121 Comment
  UCR120497  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5042 B Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR194943  Lotus scoparius var. scoparius George K. Helmkamp, E. A. Helmkamp 2007-5-18 12036 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  RSA406278  Lotus unifoliolatus Wm. Martin 1971-9-10 20204 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  SDSU4354  Lotus wrangelianus D. F. Howe 1948-5-21 1916 Placer 457 Comment
  UCD43995  Lupinus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1361 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC434224  Lupinus albicaulis George K. Helmkamp; Mary Alice Barnes 2013-5-3 20460 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  JEPS127435  Lupinus albicaulis Steve Matson 1997-7-19 119 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west Tiger Ave. Comment
  CAS-BOT-BC201562  Lupinus albifrons var. albifrons Ames 1884-5-1 s.n. Placer Auburn Comment
  RSA11953  Lupinus albifrons var. albifrons Elmer I. Applegate 1928-4-22 5362 Placer 3 miles above Auburn on the Grass Valley road. Comment
  UCD106006  Lupinus albifrons var. albifrons G. K. Helmkamp; Elizabeth Helmkamp 2006-4-13 10195 Placer Northern Sierra Nevada Foothills; Forest Hill Road, 2.5 mi E of its junction with CA Hwy 49. North side of the middle fork of the American River. NE of Auburn. 274 Comment
  UCR250446  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 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-BC196230  Lupinus albifrons var. eminens Abigail Smith 1899-4-1 s.n. Placer Applegate Comment
  UCD106420  Lupinus andersonii A. A. Heller 1919-7-25 13306 Placer near the Yuba river below Cisco. 1676 Comment
  UCD22012  Lupinus andersonii Beth Lowe Corbin 1982-8-4 228 Placer 1/3 mile NW of Onion Creek campground. 1981 Comment
  SCFS1174  Lupinus arbustus E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  UCD106669  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Summit. Comment
  UCD74125  Lupinus arbustus Jennifer W. Burt; Sarah Shannon 2005-7-8 159 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  CAS-BOT-BC8276  Lupinus arbustus subsp. silvicola Amos Arthur Heller 1909-7-16 9857 Placer Summit 2133 Comment
  SEINET10544130 Image available Lupinus arbustus subsp. silvicola A. Arthur Heller 1909-7-16 Heller 9857 Placer Summit. 2134 Comment
  JEPS65342  Lupinus argenteus var. meionanthus C. F. Sonne 1886-8-16 52 Placer mts above Coldstream (near Tinker Knob); Sierra Nevada Mountains, mts above Coldstream 2438 Comment
  CDA12003  Lupinus benthamii G. F. Hrusa 1995-5-2 12184 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  RSA794937  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2011-4-1 17115 Placer along CA-193 (Lincoln-New Castle Hwy), 0.4 mile west of Gold Hill Road, 5.4 miles (air) east of Lincoln 108 Comment
  UCR207852  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-4-22 14556 A Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  UCR208276  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14644 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  CDA36910  Lupinus bicolor CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  HSC37413  Lupinus bicolor Thomas W. Nelson 1972-11-25 710 Placer Del Oro Rd. near Roseville Comment
  UCR198411  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2008-4-17 13296 Placer Sacramento Valley / Sierra Nevada Foothills, about 0.2 mile north of CA-193 on Fowler Road, about 6 miles east of Lincoln 93 Comment
  UCR257597  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-3-21 22644 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  CAS-BOT-BC208860  Lupinus breweri var. breweri John Thomas Howell 1938-8-2 14011 Placer Sand dunes on Lake Tahoe at Brockway. Comment
  UCD83636  Lupinus breweri var. bryoides Albert Grigarick 2009-9-10 189 Placer Squaw Valley Resort, ridge near top of Links chairlift. 2499 Comment
  RSA413734  Lupinus latifolius var. columbianus Wm. Martin 1971-9-10 20262 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  SEINET8051302  Lupinus latifolius var. columbianus W. D. Billings 1940-5-18 1314 Placer [Sierra Nevada] Gold Run, placer ruined region Comment
  RSA414842  Lupinus laxiflorus A. C. Life 1923-8-11 15402 Placer Lake Tahoe, along Tamarack Trail. 2134 Comment
Read comments May 22 2013
  JEPS127538  Lupinus lepidus var. sellulus Steve Matson 1998-6-14 253 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, west of Martis Creek, east of vernal pools. Comment
  RSA0055953  Lupinus microcarpus var. densiflorus George K. Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountain Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River. 290 Comment
  JEPS65389  Lupinus nanus R. E. Arp 1932-4-18 1 Placer Roseville Comment
  SD237439  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15914 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of junction with CA-49 at Pilot Hill, 0.65 mil north of the American River crossing (Pilot Hill 7.5'Q) 199 Comment
  SEINET3815513 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Foothills, northern Sierra Nevada Mountains: Finning Mill Road at the junction with Forest Hill Road 346 Comment
  CHSC96480  Lupinus pachylobus Lowell Ahart; Brian Williams 2007-4-13 13643 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCD22084  Lupinus polyphyllus Rex Palmer 1979-7-11 N 577 Placer Headwaters basin area of the North Fork of the American River. 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
  CAS-BOT-BC329256  Lupinus polyphyllus subsp. superbus Mary P. Wells 1980-9-12 s.n. Placer Near Tahoe City in forest W of Pioneer Way 1524 Comment
  UCD16092  Lupinus stiversii James F. Randall 1999-5-1 s. n. Placer California. Placer County: 6.5 miles from Foresthill, along Forest Hwy 96 (Mosquito Ridge Rd.). 633 Comment
  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
  CDA12403  Luzula comosa G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8531 ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CDA16986  Luzula comosa G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16039 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCR173516  Luzula comosa George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10133 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  CDA33222  Luzula comosa Jim Jokerst 1986-7-13 2721 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, in Sheet Valley. Comment
  CAS-BOT-BC436667  Luzula comosa var. laxa Dr. Kellogg 1870-6-16 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  JEPS103591  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  UC65325  Madia elegans P. B. Kennedy and S. B. Doten 1901-8-6 243 Placer Summit Soda Springs Comment
  SD237340  Madia elegans subsp. vernalis G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15935 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 156 Comment
  CAS-BOT-BC344462  Madia exigua David D. Keck 1933-5-31 2427 Placer Just south of Auburn, on road to Roseville 305 Comment
  CAS-BOT-BC344464  Madia exigua Kellogg; Brannan 1870-6-8 s.n. Placer Cisco, Sierra Nevada Mts Comment
  SJSU3622  Madia exigua C. W. Sharsmith 1962-5-27 6913 Placer near Clipper Gap c. 6 mi N of Auburn on Donner Summit Rd (Hwy 40) 512 Comment
  UC147651  Madia exigua Harriet A. Walker 1908-6-24 1282 Placer Blue Canyon 1432 Comment
  UCR190664  Madia exigua George K. Helmkamp, E. A. Helmkamp 2007-5-23 12075 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  CAS-BOT-BC342835  Madia glomerata H. M. Hall 1910-6-26 8746 -A Placer Sierra Nevada Mountains. Cisco Comment
  CAS-BOT-BC342837  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  UCD42932  Madia glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 301 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC343241  Madia gracilis David D. Keck 1933-5-31 2428 Placer Just south of Auburn, on road to Roseville 305 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
  UCD134281  Madia gracilis A. S. Crafts 1926-5-1 790 Placer American River Canyon. Comment
  POM284521  Madia minima Lyman Benson 1933-6-26 4527 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  POM52138  Madia minima Harriet Ann Walker 1910-06 2036 Placer Deer Park, in the Lake Tahoe district Comment
  CAS-BOT-BC345247  Madia subspicata Eric Brenner; John Hunter 1996-5-26 002 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon 1870 Comment
  RSA377712  Maianthemum stellatum Bonnie C. Templeton 1931-7-4 1502 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  UC1613937  Malacothrix Charles M. Belshaw 1935-6-18 1004 Placer near Baxter's Hotel (between Colfax and Gold Run) 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
  SEINET8551086  Marah fabacea B. Eshelman, H. Mozingo et al. 1979-3-31 s.n. Placer Mosquito Ridge road to French Meadows, near junction with North Fork of Middle Fork of American River. 518 Comment
  SEINET11601814 Image available Matricaria discoidea R. Elliott, H. N. Mozingo 1979-3-31 s.n. Placer 518 Comment
  UCR238582  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2012-3-31 18652 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SDSU5045  Medicago arabica D. F. Howe 1951-5-2 2113 Placer 457 Comment
  SEINET4560777  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 2012-1 19217 Placer Northern Sierra Nevada Mountains; Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  SEINET13203265 Image available Medicago orbicularis George K. Helmkamp, Amy Barnes 2013-1 20234 Placer Eastern Sacramento Valley: NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 (Sheridan 7.5' Q.) 43 Comment
  CAS-BOT-BC269213  Melica aristata R. K. Gierisch; D. H. Esplin 1969-7-11 3522 Placer Tahoe National Forest. Big Bend Comment
  UCD36669  Melica aristata Beecher Crampton 1955-6-15 2905 Placer Placer County, Yankee Jims. 807 Comment
  UCD67013  Melica aristata Beecher Crampton 1955-6-15 2905 Placer Yankee Jims. Comment
  UCR208539  Melica bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14612 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  CAS-BOT-BC269355  Melica californica Peter H. Raven 1953-5-10 5489 Placer Road to Placerville 1.7 miles from Auburn, in canyon of American River Comment
  UCD87183  Melica californica B. Riley 1948-5-30 s.n. Placer American River - above Auburn. Comment
  CAS-BOT-BC282063  Melica fugax Bolander 1870-6-17 s.n. Placer Cisco, Sierra Nevada Mts Comment
  UCD87288  Melica fugax Mrs. H. P. Kelley 1915-6-15 s.n. Placer Squaw Valley. Comment
  UCD87289  Melica fugax Mrs. H. P. Kelley 1915-6-19 s.n. Placer Squaw Valley. Comment
  SACT001513  Melica harfordii Michael Baad 1977-6-2 Placer 0.8 mile south of Wiemar, east-facing cliff streamside habitat. 606.0 Comment
  SACT001516  Melica harfordii Michael Baad 1983-7-1 Placer 3-5 miles southwest of Emigrant Gap on Road 19 Comment
  UCD36652  Melica harfordii Beecher Crampton 1955-6-15 2872 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  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
  UCD88310  Melica stricta Tamara Kan 1992-7-25 s.n. Placer East slope of Silver Peak. 2377 Comment
  SACT001556  Melica torreyana D. Meyer 1984-6-23 Placer 1 km from Interstate 80 Frontage Road, shady hillside with Oak and Douglass Fir 978.0 Comment
  SEINET7952650  Mentha X piperita J. Stubbs 1972-10-8 s.n. Placer 5 miles S of Auburn, beside spring along roadside. 518 Comment
  SEINET7952660  Mentha X piperita J. Anduso 1972-10-8 s.n. Placer Auburn. 1036 Comment
  SEINET2470935  Mentzelia dispersa K. Christie 2010-6-30 1876 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  POM153475  Mentzelia dispersa P. A. Munz 1928-6-25 14095 Placer Tahoe Camp, Lake Tahoe 2073 Comment
  CAS-BOT-BC428532  Micranthes aprica John H. Thomas; Hazelle A. Thomas 1956-7-21 6125 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC428534  Micranthes aprica Alice Eastwood 1909-1-1 281 Placer Lake Tahoe Region. Wards Pass. Comment
  CAS-BOT-BC428874  Micranthes californica Catherine A. Toschi 1963-3-23 6379 Placer 3 miles east of Auburn. Comment
  SBBG29103  Micranthes californica C. L. Hitchcock 1940-5-7 6345 Placer ca. 1 mi W of Baxter Comment
  CAS-BOT-BC429028  Micranthes nidifica C. F. Sonne 1886-6-6 355 Placer Sierra Nevada Mts. On road to Tahoe Comment
  CAS-BOT-BC429297  Micranthes tolmiei C. F. Sonne 1885-8-23 92 Placer Sierra Nevada Mts. Tinker Knob 2895 Comment
  SEINET12220884  Micranthes tolmiei C. F. Sonne 1885-1 s.n. Placer Tinkers Knob, Sierra Nevada Mts 2743 Comment
  UCR207871  Micropus californicus var. californicus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14578 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCD21782  Microseris nutans Beth Lowe Corbin 1982-8-6 264 Placer 1/4 mile SW of Onion Creek campground. 1889 Comment
  UCD75962  Microseris nutans Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5228 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CAS-BOT-BC349330  Microseris nutans Alice Eastwood 1912-6-15 s.n. Placer Dear Park, Lake Tahoe Region Comment
  JEPS59443  Microseris nutans Ezra Brainerd and Viola B. Baird 1915-7-10 166 Placer along road to Deer Park Inn; Sierra Nevada Mts. 1920 Comment
  JEPS10520  Mimulus angustatus M. E. P. Ames 1880-1 Placer Auburn Comment
  UC1119866  Mimulus aurantiacus var. aurantiacus N. French 1933-5-5 44 Placer sw Rattlesnake Bridge; Sacramento Quadrangle Comment
  UC444815  Mimulus aurantiacus var. grandiflorus Martha Brier June 1894 Placer near Towle; Bear Valley Comment
  UC26698  Mimulus aurantiacus var. grandiflorus Mrs. M. M. Hardy 1893-1 Placer Comment
  JEPS103346  Mimulus breweri Lowell Ahart 2002-7-22 9900 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
  UC163978  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 1800 Comment
  UCD162578  Mimulus breweri Steve Matson 2003-6-9 789 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters north of Highway 267, 50 meterswest of Martis Creek. 1780 Comment
  UCR231861  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16775 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  RSA447927  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  RSA447929  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  RSA569047  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  SCFS11529156  Mimulus guttatus Unknown 2014-7-5 Placer Onion Creek crossing near confluence with NF Am. river, on trail Comment
  CDA41804  Mimulus guttatus Rex Palmer 1979-7-19 N 227 Placer Headwaters Basin Area of the North Fork of the American River. 0 Comment
  JEPS10944  Mimulus guttatus W. L. Jepson 1938-4-5 18584 Placer 2 mi e Auburn (on Placerville road) Comment
  UCR191074  Mimulus jepsonii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12057 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 11.1 miles northeast of Foresthill 1463 Comment
  UCR250902  Mimulus kelloggii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20346 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  JEPS103318  Mimulus leptaleus Lowell Ahart 2002-7-22 9903 Placer On the S side of a small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  UC58252  Mimulus lewisii A. A. Heller 1903-8-10 7141 Placer ridge above Donner Pass 2286 Comment
  CDA41694  Mimulus lewisii Rex Palmer 1979-7-25 N 676 Placer Headwaters Basin Area of the North Fork of the American River. 0 Comment
  UCD44645  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2011 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS86482  Mimulus moniliformis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6562 Placer ca. 5 mi se Donner Lake (Sherman Chickering's Soda Springs holdings, on w flank of Tinker Knob) Comment
  UC702887  Mimulus moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney) Lake Tahoe Comment
  UC27049  Mimulus moniliformis Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD21891  Mimulus moschatus Rex Palmer 1979-7-9 N 436 Placer Onion Creek meadow #2. Comment
  RSA434712  Mimulus primuloides Robert Kessler 1924-08 s.n. Placer Lake Tahoe. [County: Placer or El Dorado] Comment
  UCD44654  Mimulus primuloides var. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2020 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR209723  Mimulus primuloides var. primuloides George K. Helmkamp, E. A. Helmkamp 2009-8-12 15447 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  POM298032  Mimulus tilingii A. A. Heller 1917-8-13 12918 Placer Ridge northwest of Donner Pass. 2378 Comment
  UCR206688  Mimulus torreyi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15196 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UC485725  Minuartia californica Milo S. Baker 1900-2-11 Placer near Auburn Comment
  RSA20893  Minuartia californica C. B. Wolf 1937-3-30 8356 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  JEPS14353  Minuartia douglasii Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, J. Hunziker, F. Ehrendorfer, D. Zohary, H. Stutz 1952-7-19 3872 Placer slope just s Shirttail Public Camp (near headwaters of Shirttail Creek, 6 mi e of Iowa Hill); Tahoe Nat. Forest 1066 Comment
  CAS-BOT-BC432908  Mitella John H. Thomas; Hazelle A. Thomas 1956-7-21 6203 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  JEPS115012  Mollugo verticillata Lowell Ahart 2007-11-13 14598 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan 73 Comment
  CAS-BOT-BC221668  Monardella candicans Marcus E. Jones 1882-7-4 3458 Placer Colfax Comment
  POM70499  Monardella candicans Marcus E. Jones 1882-7-4 s.n. Placer Colfax. Comment
  SEINET5333439  Monardella odoratissima subsp. glauca P. A. Lehenbauer 1933-8-6 2788 Placer Lake Tahoe - near Homewood Comment
  CAS-BOT-BC318566  Monardella odoratissima subsp. pallida A. A. Heller 1919-7-26 13320 Placer Donner pass. 2194 Comment
  CDA16039  Monardella odoratissima subsp. pallida G. F. Hrusa, J. Glazner 2000-9-3 15674 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  JEPS63371  Monardella odoratissima subsp. pallida Leland S. Smith 1925-8-13 1704 Placer Ridge south Glenn Mine; Tahoe Forest 1859 Comment
  SBBG72004  Monardella odoratissima subsp. pallida M. N. Ackley -Jun-1925 460 Placer Shirttail Cyn, American River 762 Comment
  SD243167  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-8-14 16771 Placer Northern Sierra Nevada Mountains: Deadwood Road, 1.2 miles south of its junction with Forest Hill Road. Roadside bank. 1563 Comment
  UC1124589  Monardella odoratissima subsp. pallida N. French 1934-6-22 459 Placer 1/2 mi west of Lake Van Norden; Truckee Quadrangle Comment
  UC25497  Monardella odoratissima subsp. pallida J. Burtt Davy Jun 25 1897-Jun 30 1897 3238 Placer Road from Truckee and Tahoe Truckee River Basin Comment
  UCR190151  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2007-8-1 12642 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  SEINET10582104  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 273 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  CAS-BOT-BC220475  Monardella sheltonii G. K. Helmkamp; E. A. Helmkamp 2007-5-30 12206 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 Comment
  CAS-BOT-BC220477  Monardella sheltonii Saichi Kawahara 1969-7-6 1472 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest 1139 Comment
  UC128138  Monolepis nuttalliana Miss Harriet A. Walker 1903-7-28 1474 Placer Cisco 1810 Comment
  CAS-BOT-BC444731  Montia chamissoi Lewis S. Rose 1940-6-2 40304 Placer Truckee River, 10 mi. n. of Tahoe City 1828 Comment
  UC147588  Montia chamissoi Miss Harriet A. Walker 1908-6-23 1359 Placer Blue Canyon 1432 Comment
  SEINET5336648  Montia fontana 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 French Meadows. 518 Comment
  CAS-BOT-BC445126  Montia parvifolia Marcus E. Jones 1882-6-1 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC260646  Muhlenbergia filiformis L. R. Abrams 1917-9-16 6771 Placer Emigrant Gap to Cisco Comment
  CDA15989  Muhlenbergia filiformis G. F. Hrusa, J. Glazner 1999-7-17 15171 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. . 1889 Comment
  RSA129351  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer 2 miles southwest of Martis Peak. 2287 Comment
  SACT001591  Muhlenbergia filiformis D. Meyer 1984-8-4 Placer Moist shady roadside. 1358.0 Comment
  UC819025  Muhlenbergia filiformis A. A. Heller 1917-8-13 12913 Placer ridge nw Donner Pass 2346 Comment
  UCD43194  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 563 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC275181  Muhlenbergia montana G. L. Stebbins 1977-7-9 7768 Placer Along trail from McKinistry Lake to Rubicon River 1767 Comment
  CDA15942  Muhlenbergia richardsonis G. F. Hrusa, J. Glazner 1999-7-17 15150 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1191976  Myriophyllum verticillatum Malcolm A. Nobs and S. Galen Smith 1949-8-21 1510 Placer Marsh between Sandy Beach and Agate Bay, N end of Lake Tahoe. Comment
  SD243157  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16641 Placer Northern Sierra Nevada Mountains: Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road. 1566 Comment
  SEINET3156176  Nama lobbii H. A. Walker 1908-7-26 1498 Placer Cisco Comment
  UC191808  Nama lobbii C. F. Sonne 1885-7-12 Placer Kneelands Mill Comment
  SEINET12330126  Nama lobbii M. J. Williams 1984-1 84- 64 -2 Placer E side of Hwy 20 near the intersection with the Diamond Creek Road 1646 Comment
  UCR237449  Narcissus pseudonarcissus George K. Helmkamp, E. A. Helmkamp 2012-2-23 18573 Placer Sacramento Valley, Nicolaus Road, 0.4 mile west of South Dowd Road, west of Lincoln 45 Comment
  SD247382  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-3-3 20501 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 miles east (87 degrees) of Forest Hill. 422 Comment
  UCD22115  Navarretia breweri Rex Palmer 1979-7-12 N 609 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS127506  Navarretia capillaris Steve Matson 2000-6-7 472 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, east of Martis Creek Comment
  UCD21978  Navarretia capillaris Beth Lowe Corbin 1982-8-11 326 Placer 1 1/2 mile WNW of Onion Creek campground. In moist, fine, sandy soil. Meadowy drainage in White Fir forest. Flowers white, anthers blue. Mostly shade. SE facing slope, 20% incline. Locally frequent. 1950 Comment
  SEINET14055763  Navarretia capillaris C. C. Hall 1910-6-25 8710 Placer [Sierra Nevada] Cisco 1850 Comment
  CHSC79795  Navarretia divaricata G. F. Hrusa; J. Glazner 1999-7-18 15226 Placer Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S 43434N, 07418E. 1905 Comment
  JEPS71473  Navarretia divaricata Gladys L. Smith 1972-6-20 3265 a Placer Wark Peak, just below summit Ward Peak 2590 Comment
  POM75137  Navarretia divaricata Marcus E. Jones 1882-6-30 10586 Placer Emigrant Gap. Comment
  UCD21972  Navarretia divaricata Beth Lowe Corbin 1982-8-18 366 Placer 1 mile SW of The Cedars. In sandy, disturbed soil along logging road in White Fir forest. Flowers white, aging to pink. Ful lsun. NE facing slope, 20% incline. Common. 1828 Comment
  CDA15676  Navarretia divaricata subsp. divaricata G. F. Hrusa, J. Glazner 1999-7-18 15226 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CAS-BOT-BC230291  Navarretia eriocephala Carl B. Wolf 1937-5-12 8618 Placer Sacramento Valley, 1 mile N of Lincoln 45 Comment
  UC1004179  Navarretia intertexta W. A. Weber and Lewis S. Rose 1953-5-19 8383 Placer 5 mi n Roseville (on road to Lincoln) 45 Comment
  CDA15932  Navarretia intertexta subsp. propinqua G. F. Hrusa, J. Glazner 1999-7-17 15173 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC908642  Navarretia intertexta subsp. propinqua Herbert L. Mason Placer n of Lake Tahoe; Squaw Creek Valley 1889 Comment
  SEINET14058121  Navarretia intertexta subsp. propinqua F. H. Hillman s. n. Placer Between Truckee and Lake Tahoe Comment
  POM145543  Navarretia leptalea J. B. Feudge 1927-7-19 1748 Placer Emigrant Gap. 1524 Comment
  POM75635  Navarretia leptalea Marcus E. Jones 1882-6-28 10177 Placer Emigrant Gap. Comment
  RSA84887  Navarretia leptalea L. S. Rose 1941-7-15 41319 Placer Chambers Lodge (McKinney), Lake Tahoe 1921 Comment
  UCD21594  Navarretia leptalea E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1257 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
  CHSC68021  Navarretia leucocephala James D. Jokerst 1986-4-14 2621 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  UCD39200  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer 2 miles north of Licoln. Sunnybrook Farm (Francheschi). Comment
  CHSC84507  Navarretia nigelliformis subsp. nigelliformis John Dittes 2003-5-25 2003 -31 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.6 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 45 Comment
  UCD34170  Navarretia pubescens Beecher Crampton 1977-7-2 9511 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  CDA40115  Navarretia pubescens D. J. Mitani 1974-6-5 s.n. Placer Near Auburn. 0 Comment
  JEPS126331  Nemophila heterophylla Steve Matson 2006-4-23 1600 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  SEINET5520968  Nemophila heterophylla C. Aarstad 1979-4-1 s.n. Placer 5.8 miles east of junction of old and new Auburn-Forest Hills Road 792 Comment
  UC24198  Nemophila maculata H. N. Bolander 1865-4-12 4551 Placer on road from Auburn to Forest Hill at Grizzly Bear House Grizzly Bear House Comment
  JEPS1482  Nemophila menziesii W. H. Shockley 1879-1 Placer Auburn Comment
  RSA21253  Nemophila pedunculata Carl B. Wolf 1937-3-30 8367 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  JEPS71485  Nemophila spatulata Gladys L. Smith 1972-6-18 3156 Placer Alpine Meadows 2072 Comment
  UC24194  Nemophila spatulata C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  RSA76003  Nemophila spatulata Lincoln Constance 1938-6-6 2279 Placer 6.5 miles west of Cisco, Sierra Nevada. 1585 Comment
  CAS-BOT-BC231506  Nicotiana G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  UCD38899  Nicotiana acuminata var. multiflora Beecher Crampton 1959-7-23 5422 Placer 6 miles north of Folsom. Comment
  UC1122247  Oenothera elata subsp. hirsutissima H. S. Yates 1934-6-29 3902 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle 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
  CAS-BOT-BC349976  Oreostemma alpigenum var. andersonii W. R. Dudley 1900-6-29 s.n. Placer Meadow back of Tahoe City Comment
  CDA13694  Orobanche corymbosa G. F. Hrusa, J. Glazner 1997-8-3 14054 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UC196440  Orobanche corymbosa subsp. corymbosa C. F. Sonne 1885-8-2 Placer On Road to Lake Tahoe, road from Truckee. Comment
  RSA516502  Orthocarpus hispidus W. L. Jepson 1931-6-16 15929 Placer Tahoe Vista, Lake Tahoe. 2043 Comment
  UCD15633  Osmorhiza berteroi R. B. Kelley 1985-5-12 185 Placer Stevens Trail, at end of North Canyon Rd. Colfax. 0.25 mile NE of trailhead. 670 Comment
  UCD74022  Osmorhiza chilensis Jennifer W. Burt; Sarah Shannon 2005-7-8 144 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  UCR194696  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2007-5-30 12202 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
  UC398750  Osmorhiza occidentalis Katharine Brandegee 1917-1 Placer Cisco Comment
  UCD43287  Osmorhiza occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 655 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS126291  Paeonia brownii Steve Matson 2001-5-28 448 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of power lines, west of Golf Course. Comment
  JEPS59363  Paeonia brownii Ezra Brainerd and Viola B. Baird 1915-7-7 112 Placer along road Squaw Valley; Sierra Nevada Mts. 1905 Comment
  UCD36117  Panicum acuminatum var. fasciculatum Beecher Crampton 1952-11-9 917 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  SACT001629  Panicum capillare Josephine Van Ess 1976-8-11 Placer 91.5 Comment
  SACT001645  Panicum pacificum Michael Baad 1977-6-9 Placer At junction of Middle Fork of American River and Rubicon River 365.76 Comment
  SACT001647  Panicum pacificum Michael Baad 1976-8-4 Placer At end of Jeep road, 2 miles east of Talbot Camp Northeast of Mildred Ridge 1975.0 Comment
  UCD22332  Pectiantia breweri Rex Palmer 1979-6-19 N 272 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC1618222  Pectocarya pusilla Barbara Ertter with David Thompson 1989-4-8 8172 Placer Iowa Creek Rd. ca. 2 mi. from I-80 near entrance to Auburn State Recreation Area (at creek crossing) 518 Comment
  JEPS71758  Pedicularis groenlandica Gladys L. Smith 1972-6-18 3140 Placer Alpine Meadows 2072 Comment
  UC41748  Pedicularis semibarbata C. J. Fox Jr. July, 1895 Placer near Squaw Valley Comment
  UCD21902  Pedicularis semibarbata Beth Lowe Corbin 1982-8-6 270 Placer About 1/2 mile west of Onion Creek campground. 1950 Comment
  JEPS35116  Pellaea breweri C. F. Sonne Aug 1887 320 Placer e slope <Mt Andersen> (above Coldstream); Sierra Nevada Mts Comment
  JEPS74224  Pellaea breweri Gladys L. Smith and Betsy Wilson 1972-6-21 3194 Placer Scott Peak Comment
  UCR240895  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19208 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  RSA21568  Penstemon azureus subsp. azureus Carl B. Wolf 1937-9-4 9286 Placer Sierra Nevada, Auburn to Truckee Road, S side of S Fork of Yuba River, Near Cisco. 1799 Comment
  SD241190  Penstemon azureus var. angustissimus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17683 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road (Foresthill 7.5'Q) 883 Comment
  JEPS111301  Penstemon azureus var. azureus Steve Matson 2005-8-7 1452 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.8 km NW of Silver Peak at northeast corner of flatter area near Bradley Hut; 39.2312 N, 120.2615 W; elev. 7,700 ft. 2346 Comment
  NY571188  Penstemon azureus var. azureus M. E. Jones 1882-7-3 3436 Placer Colfax Comment
  NY571189  Penstemon azureus var. azureus H. M. Hall 1910-6-19 8702 Placer Cisco, in the Transition Zone 1800 Comment
  NY571177  Penstemon azureus var. azureus D. C. Michener 1981-7-16 4010 Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  JEPS86488  Penstemon gracilentus L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6568 Placer ca 5 mi se Donner Lake (below Ada's Rock, sw of slope of Tinker Knob, Sherman Chickering's Soda Springs holdings); se of Donner Lake, sw slope of Tinker Knob 2407 Comment
  POM11471  Penstemon gracilentus Katherine Brandegee 1910-07 s.n. Placer Emigrant Gap. Comment
  JEPS59359  Penstemon gracilentus Ezra Brainerd and Viola B. Baird 1915-7-25 109 Placer Deer Park Sierra Nevada Mts. (along trail to Garden of the Gods) 2072 Comment
  NY601756  Penstemon heterophyllus var. purdyi Illegible collector name 1940-5-4 6412 Placer Meier Ranch, ca. 6 miles north of Colfax 762.0 Comment
  NY601764  Penstemon heterophyllus var. purdyi A. A. Heller 1917-6-19 12748 Placer 5 miles west of Colfax Comment
  UC54986  Penstemon heterophyllus var. purdyi C. F. Sonne 1891-5-17 15 Placer below Auburn; Sierra Nevada Mountains, below Auburn Comment
  CAS-BOT-BC248296  Penstemon laetus var. laetus George K. Helmkamp; E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  SEINET4691712  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2011-1 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
  UCD21908  Penstemon newberryi Rex Palmer 1979-5-27 N 75 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD21911  Penstemon newberryi Rex Palmer 1979-7-11 N 574 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC239277  Penstemon newberryi var. berryi L. S. Smith 1926-6-8 1902 Placer Tahoe National Forest, French Lake, rocky slopes east side 2133 Comment
  JEPS15096  Penstemon newberryi var. newberryi N. French 1934-5-24 369 Placer N Fork of N Fork American River 1341 Comment
  UC194353  Penstemon newberryi var. newberryi C. F. Sonne 1884-1 Placer near Donner Lake Comment
  JEPS59357  Penstemon newberryi var. newberryi Ezra Brainerd and Viola B. Baird 1915-7-9 107 Placer near camp at Bear Rock, Truckee River Sierra Nevada Mountains 1889 Comment
  UC27499  Penstemon roezlii C. J. Fox Jr. July, 1895 Placer near Squaw Peak; near Squaw Peak Comment
  UCR209752  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2009-8-12 15443 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
  UCR229563  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2011-7-26 17861 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  NY651286  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  UCD158889  Penstemon rydbergii var. oreocharis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 s.n. Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD162556  Penstemon rydbergii var. oreocharis Steve Matson 1998-6-21 262 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 meters north of Highway 267, east of logging road by lone pine tree. 1780 Comment
  POM44142  Penstemon rydbergii var. oreocharis Marcus E. Jones 1897-6-24 s.n. Placer 10 to 15 miles west from Amedee. [incorrect county - should be Lassen] 1220 Comment
  RSA3004  Penstemon speciosus Carl B. Wolf 1931-9-10 2418 Placer Shore of Lake Tahoe. Just NW of Chambers Lodge. 1921 Comment
  SEINET5329850 Image available Penstemon speciosus L. Miller 1934-6-10 s.n. Placer Tahoe City Comment
  UC35612  Pentachaeta exilis H. N. Bolander 1865-4-11 4540 Placer Auburn Comment
  SEINET6626626  Pentagramma triangularis P. L. Henderson 1975-9-21 41 Placer Auburn, middle and north Fork of American River 274 Comment
  UCD18249  Perideridia bolanderi E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 461 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
  UC1436542  Perideridia lemmonii Arnold Tiehm Apr 1977 s. n. Placer Goose Meadow, Lake Tahoe Comment
  RSA459095  Perideridia parishii subsp. latifolia Fay A. MacFadden 1934-7-2 12553 Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  SCFS855  Phacelia E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, Top Meadow. Comment
  UCD120499  Phacelia hastata subsp. compacta Tamara Kan 1992-6-17 s.n. Placer Near ridge on east slope of Silver Peak. 2499 Comment
  UCD120500  Phacelia hastata subsp. compacta Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer West end of Ward Valley in Lake Tahoe Basin. 1889 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
  UCR207115  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2009-7-16 15217 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
  SEINET9296160  Phacelia hastata var. hastata Unknown 1999-7-17 15184 e Placer Martis Valley, CA (Lat. 39deg18'39") Comment
  UCR120240  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5025 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR207044  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15240 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  JEPS111239  Phacelia heterophylla Steve Matson 2005-6-19 1294 Placer Martis Valley, southeast of Truckee, National Recreation Area , SW of Highway 267 and just north of Martis Creek. 39.2974 N, 120.1379; Elevation 5850 ft. 1783 Comment
  UC163972  Phacelia humilis Miss H. A. Walker 1910-6-13 2030 Placer near Deer Park; Tahoe District 1970 Comment
  UC881158  Phacelia humilis Alice Eastwood Jun 15 1912-Jun 19 1912 484 Placer Deer Park Lake Tahoe Region Comment
  UC881159  Phacelia humilis Alice Eastwood 1909-1 225 Placer Deer Park Lake Tahoe Region Comment
  JEPS3234  Phacelia hydrophylloides L. S. Smith 1928-6-19 2370 Placer Ice Lakes Range Tahoe <National> Forest 2133 Comment
  RSA0039073  Phacelia imbricata subsp. imbricata George K. Helmkamp, Mary Alice Barnes 2013-4-18 20369 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
  UCR219666  Phacelia imbricata subsp. imbricata George K. Helmkamp, E. A. Helmkamp 2010-6-26 16376 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR250361  Phacelia imbricata subsp. imbricata George K. Helmkamp, Mary Alice Barnes 2013-4-18 20369 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
  UC148969  Phacelia marcescens H. M. Hall 1910-6-11 8756 Placer Cisco Butte Sierra Nevada Mountains 1981 Comment
  SEINET4560778  Phacelia mutabilis George K. Helmkamp, E. A. Helmkemp 2011-1 18175 Placer Northern Sierra Nevada Mountains: Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2060 Comment
  UCR240723  Phacelia racemosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19239 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  UC163979  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer type locality Cisco 1804 Comment
  UCD22018  Phacelia ramosissima Beth Lowe Corbin 1982-8-10 307 Placer 1.5 miles NW of Onion Creek Campground. 2057 Comment
  CHSC69644  Phacelia vallicola James D. Jokerst 1988-6-6 3006 Placer Long Creek Hydro Project, ca. 1 mi W of Ramsey Crossing, N of Long Canyon Creek. Comment
  UCD161472  Philadelphus lewisii Jean Dougherty 1986-5-31 86- 27 Placer On Mosquito Ridge Road, 2 miles from junction of Forresthill Road [sic]. Comment
  SEINET177601  Philadelphus lewisii subsp. californicus Marcus E. Jones 1882-7-3 3586 Placer Colfax. Comment
  SACT001735  Phleum alpinum Michael Baad 1976-7-21 Placer Lower southwest-facing slopes of Lyon Peak. 10 miles southeast of Soda Springs. 2377.0 Comment
  SACT001737  Phleum alpinum Michael Baad 1976-8-4 Placer Ascent of creek bed draining Midred Lakes. 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
  JEPS15393  Phoenicaulis cheiranthoides C. F. Sonne 1887-6 20 Placer Truckee River; Sierra Nevada Mountains, Truckee River 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
  UCD22353  Phoenicaulis cheiranthoides Rex Palmer 1979-6-21 N 427 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC81827  Phoradendron densum Lowell Ahart 2001-10-10 9336 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
  POM131803  Phyllodoce breweri Allen M. Carpenter 1892-08 9406 Placer Sierra Nevada Mountains. Comment
  UCD21481  Phyllodoce breweri Rex Palmer 1979-7-11 N 568 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR231865  Physocarpus capitatus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17030 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  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
  UC1051421  Pilularia americana Francia Chisaki with R. Bacigalupi and T. Robbins 1956-4-20 691 Placer Antelope (on Roseville Road, just N of Sacramento-Placer County line) Comment
  JEPS73151  Pinus albicaulis Gladys L. Smith 1972-8-25 3422 Placer summit area Granite Chief 2775 Comment
  HSC1484  Pinus contorta R. A. Magie 1964-6-12 102 Placer Turn off of Hwy. 20 6 mi. W of Hwy. 40 junction, 12 mi. to Lindsay Lake, Bulk Collection # 36 Comment
  NY49931  Pinus contorta var. murrayana N. H. Holmgren 1969-7-25 3753 Placer Sierra Nevada, California [Highway] 267 between Truckee and Interstate [Highway] 80 1828.8 Comment
  SEINET11611048  Pinus lambertiana W. Priest 1956-4-16 s.n. Placer On U.S. Highway 40 just W of Baxter 1067 Comment
  NY951541  Pinus ponderosa var. ponderosa D. H. Goldman 2004-12-24 3007 Placer "Mosquito Narrows," Mosquito Ridge, just N of Mosquito Ridge Road (Forest Road 96), just E of the intersection with a dirt road going to the NW, about 5.9 miles from the parking lot at the Placer County Big Tree Reserve and about 18.9 miles E of the 1289 Comment
  NY42681  Pinus sabiniana J. B. Walker 1994-8-19 932 Placer 1km S of Weimar, at offramp of I-80 320 Comment
  RSA758238  Pinus sabiniana Doug Goldman 2004-12-24 3010 Placer Along Mosquito Ridge Road, 1.7 miles east of the intersection of Road 96 and Forest Hill Road in Forest Hill. 878 Comment
  RSA0008981  Pinus sabiniana Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  SEINET5334782  Pinus sabiniana J. W. Vetter 1956-4-7 s.n. Placer On Calif. Highway 49, about 10 miles north of Auburn 610 Comment
  POM260091  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer 1 mile west of Baxter Comment
  SD62098  Plagiobothrys fulvus var. campestris D. F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. 456 Comment
  CAS-BOT-BC230941  Plagiobothrys hispidulus John Thomas Howell 1943-7-19 18581 Placer Summit Valley Comment
  CAS-BOT-BC230948  Plagiobothrys hispidulus Alice Eastwood 1906-7-24 948 Placer Glen Alpine Region. Camp Agassiz Comment
  UC78171  Plagiobothrys hispidulus Alice Eastwood 1898-6-12 Placer Summit Soda Springs Comment
  POM71393  Plagiobothrys scouleri var. hispidulus Marcus E. Jones 1882-6-23 6970 Placer Emigrant Gap. Comment
  RSA791425  Plagiobothrys undulatus George K. Helmkamp, E. Helmkamp 2011-5-12 17255 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
  UCD124575  Plantago lanceolata Amelie Blyth 1952-5-11 9- 1 Placer Near junction of north fork and middle fork of American River, near Auburn. Comment
  UCR258537  Plantago lanceolata George K. Helmkamp, Amy Barnes 2014-3-21 22625 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  CHSC74463  Platanthera leucostachys Susi Urie; Eric Schroder 1998-9-9 98 -309 Placer On south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  HSC97403  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-20 385 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 2058 Comment
  SEINET5340049  Platystemon californicus B. Adams 1956-3-27 20 Placer Plowed field about 2 miles south of Roseville. 152 Comment
  SEINET8530800  Plectritis ciliosa A. Beninghoff 1930-4-20 2957 Placer 6. mi S of Auburn, California Comment
  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
  CAS-BOT-BC261018  Poa G. L. Stebbins 1977-7-1 7736 Placer Above Middle Fork American River near Last Chance 1341 Comment
  SACT001778  Poa annua D. Meyer 1983-5-15 Placer Field at Southeast corner. 36.6 Comment
  SACT001783  Poa annua D. Meyer 1984-6-10 Placer 436.0 Comment
  UCD90565  Poa bolanderi R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40 (above Nayak) near Campton's store. Comment
  SACT001801  Poa bolanderi Michael Baad 1983-6-23 Placer 0.2 km west of 89 1828.0 Comment
  SEINET10659110  Poa bolanderi A. Arthur Heller 1917-8-13 Heller 12901 Placer Base of cliff north of Summit Hotel. The surrounding forest composed of Abies magnifica. 2164 Comment
  SEINET204034 Image available Poa canbyi F. J. Hermann 1955-7-27 11943 Placer along Turkee River on road to Squaw Valley, 4 miles north 1890 Comment
  UCD90841  Poa compressa Beecher Crampton 1955-6-15 2864 Placer 3 miles east of Weimar. Comment
  SACT001857  Poa incurva Michael Baad 1983-8-21 Placer Collected on road 3.84 km southwest of Soda Springs exit off Interstate 80. 2019.0 Comment
  SACT001865  Poa incurva Michael Baad 1976-8-12 Placer Collected on transect from ridge between Emigrant Gap and Granite Cheif, north to Mountain Meadow Lake, northwest of Granite Cheif. 2438.4 Comment
  SACT001879  Poa nevadensis D. Meyer 1983-8-7 Placer Southeast of county line on roadside. 1758.0 Comment
  CHSC74343  Poa palustris Susi Urie 1998-8-13 98 -038 Placer Lake Tahoe Basin-National Forest. Meadow along he south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCR146858  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Sierra Nevada Mountains, 0.75 mile west of Blue Canyon 1433 Comment
  CAS-BOT-BC247370  Poa pratensis W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  SACT001899  Poa pratensis Michael Baad 1977-6-3 Placer 1.2 mile west of Big Reservoir Camp, serpentine outcrop with jeffery pine. 1219.2 Comment
  SACT001912  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot moist streambank and meadow. 1879.0 Comment
  SACT001917  Poa pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center near lake shore. 1891.0 Comment
  SACT001955  Poa scabrella Josephine Van Ess 1980-4-23 Placer Collected along horsetrail north from Rattlesnake Bar. Steep rocky, north-facing cliff. 152.4 Comment
  SACT001957  Poa scabrella Josephine Van Ess 1974-5-5 Placer Collected about .5 mile north of county line in area where Linda Creek forms a narrow steep sided ravine. 91.5 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
  UCD22232  Poa secunda subsp. juncifolia Rex Palmer 1979-6-20 N 319 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD75959  Poa secunda subsp. secunda Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5216 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  UCD90792  Poa secunda subsp. secunda Beecher Crampton 1955-6-15 2860 Placer 3 miles east of Weimar, on Forest Hill Road, just off US Hwy 40. 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
  CAS-BOT-BC539343  Polemonium micranthum Steve Matson 2009-5-9 2204 Placer nSNH: Martis Valley, about 4 mi SE of Truckee; Martis Creek Wildlife ARea, S of Hwy 267, N of Martis Creek, just W of parking lot near creek 1780 Comment
  CAS-BOT-BC231287  Polemonium pulcherrimum Sherman Chickering 1974-1-1 s.n. Placer On the crest of the Sierra above Soda Springs Comment
  SBBG67658  Polygala cornuta var. cornuta M. N. Ackley -Jun-1925 787 Placer Gold Run 983 Comment
  RSA606205  Polygonum R. S. Woglum 1934-08 1311 Placer Northern Sierra Nevada Mountains: Lake Tahoe [Placer/El Dorado counties]. Comment
  POM104622  Polygonum bistortoides Marcus E. Jones 1903-6-28 s.n. Placer Emigrant Gap Comment
Read comments Sep 7 2010
  UC1136120  Polygonum bistortoides N. French 1934-6-22 444 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle (n end) Comment
  UCD43211  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 580 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44666  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2032 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD100173  Polygonum californicum Collector unknown 1928-10-31 1440 Placer Lincoln. Comment
  UC849191  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer plains near Sheridan 38 Comment
  JEPS50533  Polygonum davisiae C. F. Sonne 1888-7-29 292 Placer Bear Creek; top Comment
  CAS-BOT-BC414541  Polygonum douglasii A. A. Heller 1916-8-13 12910 Placer Summit hotel 2133 Comment
  RSA466396  Polygonum hydropiper Wm. Martin 1971-9-10 20225 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  UC1101141  Polygonum lapathifolium Malcolm A. Nobs and S. Galen Smith 1949-8-21 1505 Placer marsh between Sandy Beach and Agate Bay (n end of lake); Lake Tahoe Comment
  CAS-BOT-BC418581  Polygonum minimum John H. Thomas; Hazelle A. Thomas 1956-7-21 6179 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  JEPS126266  Polygonum minimum Steve Matson 2003-9-6 953 Placer nSNH; Truckee River Watershed, 5 air miles west of Tahoe City; Alpine Meadows ski area. Comment
  SEINET13276726 Image available Polygonum persicaria George K. Helmkamp, Elizabeth Helmkamp 2012-1 20088 Placer Sacramento Valley: South Dowd Road, 0.1 mile south of its junction with Moore Road, SW of Lincoln (Pleasant Grove 7.5' Q.) 34 Comment
  SD239866  Polygonum phytolaccifolium G. K. Helmkamp, E. A. Helmkamp 2007-7-27 12634 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstat-80 (Cisco Grove 7.5'Q) 1744 Comment
  UCR233456  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18188 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  CAS-BOT-BC420034  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1909-1-1 27 Placer Lake Tahoe Region. Sunnyside Comment
  CHSC74247  Polygonum polygaloides subsp. kelloggii Susi Urie 1998-9-4 98 -255 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on the north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC420032  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1963-7-11 39831 Placer Near Chambers Lodge, Tahoma 1915 Comment
  CAS-BOT-BC232989  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch Rubicon River Comment
  CAS-BOT-BC232992  Polypogon australis Saichi Kawahara 1969-7-6 1423 Placer W of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001571  Polypogon australis D. Meyer 1984-6-10 Placer 436.0 Comment
  SACT002106  Polypogon australis D. Meyer 1984-6-3 Placer 1.6 km north of Applegate, shady oak woodland, moist area 606.0 Comment
  UC790965  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer near Auburn (bank of branch Rubicon River); bank of branch Rubicon River Comment
  SACT002021  Polypogon maritimus Josephine Van Ess 1976-7-8 Placer Collected .25 mile north of Roseville waterworks. Moist ditch. Comment
  HSC10852  Polypogon monspeliensis L. M. Malloy 1965-4-11 17 Placer 5 miles S of Auburn, 0.5 miles E of Scotty's Corner on County Road P. 58. Comment
  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
  JEPS33239  Polystichum imbricans subsp. curtum Matt Herbrand 1917-12-20 Placer 1524 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
  CAS-BOT-BC102700  Populus tremuloides John H. Thomas; Hazelle A. Thomas 1956-7-21 6193 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD38930  Populus tremuloides Beecher Crampton 1961-9-27 6002 Placer 1 mile west of Cisco Grove, along US Hwy 40, Yuba River Basin. Comment
  UCR146917  Populus tremuloides Beecher Crampton 1961-9-27 6002 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  CAS-BOT-BC105580  Populus trichocarpa Geo. B. Grant 1906-7-15 7032 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  UC527360  Populus trichocarpa C. B. Wolf 1931-9-10 2419 Placer shore of Lake Tahoe just nw Chambers Lodge; shore of Lake Tahoe just nw of Chambers Lodge 1920 Comment
  UCD110729  Populus trichocarpa G. L. Stebbins Jr. 1942-9-1 3341 Placer Bank of Yuba River, on U.S. Highway 40, 1 1/2 miles west of Cisco. 1706 Comment
  CAS-BOT-BC105578  Populus trichocarpa Elizabeth Parsons Hawver 1909-6-1 s.n. Placer Lake Tahoe Region - Aspen grove Comment
  SEINET10460814  Porterella carnosula Follette 1978-7-6 FOLLETTE s.n. Placer Paige Meadows west of Carnelian Bay 1920 Comment
  UCD43859  Potentilla C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1225 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC142030  Potentilla drummondii Peter Rubtzoff 1976-9-19 8865 Placer Lake Van Norden, meadow adjacent to the east end of lake - Sierra Nevada 2063 Comment
  CAS-BOT-BC141664  Potentilla flabellifolia Elizabeth Parsons Hawver 1910-7-7 s.n. Placer Meadows of Madden Creek, Lake Tahoe region Comment
  UCR171338  Potentilla fruticosa George K. Helmkamp, E. A. Helmkamp 2005-10-1 9975 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  RSA636075  Potentilla glandulosa Robert M. Rhode 1997-6-26 174 Placer Near Blackwood Creek Canyon Road, about 0.4 miles west of turnoff from Highway 89 ( c. 4 miles south of Tahoe City) 1921 Comment
  UCR191110  Potentilla glandulosa subsp. ashlandica George K. Helmkamp, E. A. Helmkamp 2007-6-12 12317 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  SD234506  Potentilla glandulosa subsp. glandulosa G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12196 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 15 miles east of its junction with Forest Hill Road in Foresthill, south of site of Bake Oven. 915 Comment
  CHSC74701  Potentilla glandulosa subsp. nevadensis Susi Urie; Eric Schroder 1998-9-8 98 -280 Placer Lake Tahoe Basin. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 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
  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
  JEPS59374  Potentilla gracilis var. fastigiata Ezra Brainerd and Viola B. Baird 1915-7-10 122 Placer roadside Deer Park Sierra Nevada, Deer Park 1889 Comment
  SEINET6637149  Potentilla gracilis var. fastigiata P. B. Kennedy, Samuel Bradford Doten 1901-8-18 410 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  CHSC117467  Potentilla rivalis B. Castro; Jessica Boyt 2013-9-11 1998 Placer Northern High Sierra Nevada. Plumas National Forest;W edge of Frenchman Lake, at boat ramp NW of 'Lunker Point' site on maps. 1703 Comment
  SBBG123118  Poteridium annuum G. K. Helmkamp with E. A. Helmkamp 2007-9-14 12959 Placer Mosquito Ridge Rd 0.4 mi E of Foresthill 942 Comment
Read comments Mar 30 2014
  SEINET8565301  Primula suffrutescens W. D. Billings 1950-7-30 1914 Placer Sierra Nevada, NE side of Squaw Peak. 2560 Comment
  SCFS1027  Prunella vulgaris E. Krimmel 2014-7-5 Placer Near the creek. Comment
  UCR231866  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17029 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  CAS-BOT-BC163058  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer Near the Yuba River below Cisco 1676 Comment
  UCD113213  Prunus emarginata G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12063 Placer Northern Sierra Nevada Mountains; Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 Comment
  UCD22277  Prunus emarginata Beth Lowe Corbin 1983-8-3 195 Placer Hill west of Onion Creek Campground. SW facing slope, 30% inclination. Mostly sun. Uncommon. Opening in whtie fir forest in fine, sandy, granitic soil. Shrub 6 ft tall, with reddish twigs, older bark greyish. Berries picked green. 1853 Comment
  UCD22282  Prunus emarginata Rex Palmer 1979-7-12 N 642 Placer Headwaters basin area of the North Fork of the American River 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
  SEINET12997150  Pseudostellaria Ronald L. Hartman 1997-7-11 58546 Placer Near campsite ca 200 yards from Foresthill Road, 2-2.5 road mi W from Sailor Flat trail turn-off. 1982 Comment
  UC853098  Pseudostellaria sierrae Marcus E. Jones 1882-6-28 3287 Placer Emigrant Gap Comment
Read comments Jan 23 2010
  JEPS48285  Pseudotsuga menziesii var. menziesii L. S. Smith 1914-8-1 Placer Cisco Comment
  UCR198415  Psilocarphus brevissimus var. brevissimus George K. Helmkamp, E. A. Helmkamp 2008-4-17 13289 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CDA39026  Pterospora andromedea D. G. Kelch 2011-10-3 11 .825 Placer Tahoe City. Granlibakken Resort. Comment
  SEINET7236803  Pterospora andromedea K. Thorne, J. Chandler 1987-6-26 5414 Placer CA Hwy 27, 3.2 miles S of Brockway Summit. Comment
  SEINET7238994  Pterospora andromedea P. Lehenbauer 1929-8-15 2545 Placer [Sierra Nevada] Carnelian Bay Comment
  UC1128546  Purshia tridentata var. tridentata D. Schlobohm 1934-10-2 3 Placer 3 mi s Truckee; Tahoe National Forest, Truckee Quad. 1859 Comment
  UC12831  Purshia tridentata var. tridentata J. Burtt Davy Jun 25 1897-Jun 30 1897 3240 Placer from Truckee to Lake Tahoe; Truckee River Basin Comment
  JEPS126345  Pyrola asarifolia subsp. asarifolia Steve Matson 1997-7-1 112 Placer Tahoe north shore; Snow Creek water shed, Tahoe Vista/Kings Beach; West Fork Snow Creek about 300 yards NW of pond. Comment
  CDA13667  Pyrola asarifolia var. asarifolia G. F. Hrusa, J. Glazner 1997-8-3 14027 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  SEINET7257196  Pyrola minor S. Emerson 1982-9-18 s.n. Placer Forest Hills, Mosquito Ridge Road 518 Comment
  CDA16038  Pyrola picta G. F. Hrusa, J. Glazner 2000-9-3 15675 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 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
  CAS-BOT-BC466091  Pyrola picta Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC45766  Quercus Saichi Kawahara 1969-5-25 1019 Placer ridge east of old house, Mel Henderson Ranch, east bank of Indian Creek; section 23 of the Dutch Flat Quadrangle 1036 Comment
  CAS-BOT-BC45767  Quercus Saichi Kawahara 1969-5-25 901 Placer North of old house, Mel Henderson Ranch, east bank of Indian Creek; section 23 of the Dutch Flat Quadrangle 999 Comment
  SACT002681  Quercus Josephine Van Ess 1979-6-26 Placer Collected down river horse trail from Auburn dam site down to river. Collected about where trail begins to head down from top of river bluffs. Among other oaks, some open grassy areas. Comment
  UCD47001  Quercus X morehus Enid A. Larson; D. Giuliani 1970-11-23 s.n. Placer (Q. wislizenii A. DC. X Q. kelloggii Newb.). Lower Grays Meadow, Independence Creek, southwest of Independence, Inyo County, California. Comment
  UCD47044  Quercus X morehus R. R. Miller 1959-5-1 s.n. Placer North side of highway, just off shoulder, ca. 1/4 mile east of the Monte Vista cutoff on U.S. Highway 40, ca. 6 miles east of Auburn, Placer County, California. Comment
  SBBG25329  Quercus chrysolepis R. A. Christison 1960-5-8 64 Placer jct of St Hwy 49 and Forest Hill turnoff 91 Comment
  CAS-BOT-BC86612  Quercus douglasii Alice Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  SACT002120  Quercus douglasii Michael Baad 1977-4-13 Placer 0.2 miles north of Interstate 80; ecotone between pine forest and chaparral 502.92 Comment
  CDA16971  Quercus durata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16024 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC1135561  Quercus durata N. French 1933-10-17 106 Placer Todd Valley Placerville National Forest, Placerville Quad. 762 Comment
  UC405479  Quercus durata W. W. Mackie 1904-4 Placer Newcastle Comment
  CAS-BOT-BC105463  Quercus kelloggii Miss. A. Eastwood 1894-9-1 s.n. Placer Colfax 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
  UC119102  Quercus kelloggii A. Eastwood 1894-9-9 Placer Newcastle Comment
  SACT002708  Quercus vacciniifolia Michael Baad 1977-6-1 Placer Collected on trailhead. 5 km north of Foresthill Divide Road. 2 km north of Skunk Spring. 1341.12 Comment
  CAS-BOT-BC104990  Quercus wislizeni Gordon H. True 1971-4-21 6529 Placer Auburn Ravine just W of Lincoln 49 Comment
  UCD47631  Quercus wislizeni Gordon H. True 1971-4-21 6529 Placer Auburn Ravine just west of Lincoln, Placer County. 49 Comment
  CDA19817  Quercus wislizeni var. wislizeni P. Akers 2002-4-14 s.n. Placer Northern California; E end of Clarke Tunnel Rd, N of Penryn. 0 Comment
  SEINET5501119 Image available Raillardella argentea Sally Walker 1982-8-4 Placer Above ski area, Tahoe. Comment
  UCD22191  Ranunculus alismifolius Rex Palmer 1979-6-20 N 346 Placer Headwaters basin area of the North Fork of the American River Comment
  UC827590  Ranunculus alismifolius var. alismellus A. A. Heller 1917-6-17 12712 Placer below Cisco; Yuba River 1676 Comment
  CAS-BOT-BC379274  Ranunculus alismifolius var. alismellus C. F. Sonne 1886-6-20 3 Placer grassy shady place above Donner Lake, Placer and Nevada Counties Comment
  POM269582  Ranunculus alismifolius var. hartwegii Lyman Benson 1942-7-2 11243 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CAS-BOT-BC379386  Ranunculus alismifolius var. hartwegii Lowell Ahart 1983-8-17 4338 Placer found growing on damp dark rocky soil near an open bare mountain side, south of Onion Valley, near the Quincy La Porte Road, west of Pilot PR, about 11 mi northeast of La Porte, California 2000 Comment
  CAS-BOT-BC379433  Ranunculus alismifolius var. hartwegii Margaret Williams 1972-4-23 s.n. Placer 1.8 mi west of Boca Dam on road to Hobart Mills 1768 Comment
  CAS-BOT-BC379443  Ranunculus alismifolius var. hartwegii Peter H. Raven 1950-6-27 2426 Placer at S base of Boreal Ridge 2164 Comment
  CAS-BOT-BC378964  Ranunculus bonariensis John Thomas Howell; Gordon H. True 1972-3-17 7082 Placer northern outskirts of Lincoln 49 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
  UCD95798  Ranunculus canus Beecher Crampton 1977-4-3 9468 Placer 3.5 miles north of Auburn at Elder's Corner. Comment
  SEINET5338466  Ranunculus canus A. Urrutia 1960-3-19 s.n. Placer North Fork American River, 3-mi. South of Auburn, Highway 49 457 Comment
  UC1101373  Ranunculus flammula Malcolm A. Nobs and S. Galen Smith 1949-8-21 1511 Placer marsh between Sandy Beach and Agate Bay (n end of Lake); Lake Tahoe Comment
  UC9442  Ranunculus hebecarpus H. N. Bolander 1865-4-16 4575 Placer Forest Hill Comment
  UC217467  Ranunculus muricatus H. M. Hall 1917-5-9 10292 Placer just n Lincoln (small gulch); Sacramento Valley Comment
  UCR197991  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sacramento Valley, Sunnybrook Farms, 2 mi north of Lincoln 41 Comment
  UC827908  Ranunculus occidentalis Lewis S. Rose 1940-6-2 40465 Placer 10 mi n Tahoe City; Truckee River 1828 Comment
  UCR222543  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2010-4-17 15888 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill 360 Comment
  RSA20881  Ranunculus occidentalis var. eisenii Carl B. Wolf 1937-3-30 8344 Placer Sacramento Valley, 4.8 mi. E of Lincoln on Penryn Rd. 91 Comment
  SD114130  Ranunculus occidentalis var. occidentalis none given 1948-5-21 1931 Placer Placer Co. 456 Comment
  JEPS127534  Ranunculus occidentalis var. ultramontanus Steve Matson 1997-7-15 4 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave. Comment
  POM276387  Ranunculus orthorhynchus Lyman Benson 1948-7-17 12924 Placer Placer: isco Grove, S Fork Yuba River, Sierra Nevada. Sacramento Valley, Sierran Montane Forest 1799 Comment
  UC1551905  Ranunculus orthorhynchus var. orthorhynchus Lyman Benson 1948-7-17 12924 Placer Cisco Grove Sierra Nevada Mt. Range, Sacramento Area Drainage Area, S. F 1798 Comment
  UCD44722  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2088 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC9469  Ranunculus orthorhynchus var. orthorhynchus Mrs. M. M. Hardy 1893-1 Placer 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
  UCR171024  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2006-2-9 10062 Placer Northern Central Valley, Clark Tunnel Road and Calif. Highway 193, east of Lincoln 113 Comment
  UCR262445  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2011-12-9 18503 Placer Sacramento Valley, Sunset Blvd. West, 5.8 miles west of its junction with Fiddyment Road 29 Comment
  RSA0049597  Rhamnus alnifolia Dean Wm. Taylor 2013-8-7 21400 Placer Coldstream Valley, meadow complex on the south canyon rim of the valley 2034 Comment
  RSA21569  Rhamnus alnifolia Carl B. Wolf 1937-9-4 9287 Placer Sierra Nevada, NW of Lake Tahoe, 1 mile below Deer Park. 1982 Comment
  CAS-BOT-BC55968  Rhamnus ilicifolia C. L. Hitchcock 1940-5-14 6371 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  UC18576  Rhamnus rubra Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC109795  Rhodiola integrifolia subsp. integrifolia John H. Thomas; Hazelle A. Thomas 1956-7-21 6117 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 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
  UC22141  Rhododendron occidentale Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UC372853  Rhododendron occidentale Marcus E. Jones, A. M. 1882-6-25 Placer Emigrant Gap Comment
  CAS-BOT-BC200395  Rhododendron occidentale var. paludosum A. A. Heller 1917-6-19 12743 Placer 8 miles east of Colfax Comment
  UC635198  Rhus trilobata Herbert L. Mason 1926-5-28 3267 Placer 5 mi above Auburn Comment
  SEINET5845255  Ribes P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 miles from end of railroad bridge on Calif. 194, winding road, plot located on the right past parking area, down path approx. 60 meters 1676 Comment
  CAS-BOT-BC108691  Ribes cereum Posey; Bethel 1920-6-5 s.n. Placer Tahoe. Comment
  CAS-BOT-BC108698  Ribes cereum J. F. Rock 1917-6-1 s.n. Placer Lake Tahoe. Comment
  CAS-BOT-BC169084  Ribes inerme var. inerme L. S. Smith 1928-7-21 2495 Placer Deer Park along stream, Tahoe National Forest 1950 Comment
  CHSC74094  Ribes inerme var. inerme Susi Urie 1998-8-13 98 -026 Placer Lake Tahoe Basin Management Unit- National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC170080  Ribes inerme var. inerme Miss Helen D. Geis 1912-6 50 Placer Deer Park Comment
  UC191456  Ribes inerme var. inerme C. F. Sonne 1885-5-19 Placer near Mill pond (on Tahoe road); Truckee Comment
  UCD43000  Ribes inerme var. inerme C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 369 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS127483  Ribes nevadense Steve Matson 1997-7-20 122 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
  UCD102425  Ribes nevadense D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 Comment
  UCD74136  Ribes nevadense Jennifer W. Burt 2005-7-16 69 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from center of an abandoned ski run. 1845 Comment
  UCSB16431  Ribes nevadense Breedlove, Dennis 1962-6-13 Placer Truckee River; 7.0 miles south of Truckee; Sierra Nevada 1828 Comment
  RSA0022889  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco. 1829 Comment
  UCD22339  Ribes roezlii Beth Lowe Corbin 1982-8-2 151 Placer Onion Creek campground. In fine, sandy, granitic soil. Spiney shrub about 1.5' high with dark grey bark. Berries picked green. Partial sun. South facing slope. Uncommon. 1841 Comment
  UCD22342  Ribes roezlii Rex Palmer 1979-5-26 N 18 Placer Headwaters basin area of the North Fork of the American River. 1950 Comment
  SEINET5339778  Ribes roezlii L. Miller 1932-6-26 s.n. Placer near Tahoe City Comment
  CAS-BOT-BC186204  Ribes roezlii var. roezlii Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe 2438 Comment
  SEINET12220402  Ribes velutinum C. F. Sonne 1885-1 s.n. Placer Mt. on Truckee River Comment
  JEPS59416  Ribes viscosissimum Ezra Brainerd and Viola B. Baird 1915-7-15 135 Placer Five Lakes Sierra Nevada Mts. 2298 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
  POM89568  Rosa bridgesii Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC147020  Rosa woodsii subsp. ultramontana C. F. Sonne 1885-7-17 86 Placer Along Truckee River Comment
  JEPS72264  Rosa woodsii var. ultramontana Gladys L. Smith, Betsy and Norman Wilson 1972-7-6 3285 Placer Squaw Creek Squaw Valley 2438 Comment
  UCD17674  Rubus H. Olmo; T. S. Mallah 1953-4-8 53 86 Placer California. Placer County: 1.0 mile south of Loomis. Comment
  UCD89716  Rubus armeniacus Lindsay Clark 2008-6-20 CFX 17 Placer Stevens Trailhead parking lot in Colfax, off of N Canyon Way, just on the east side of I-80. 737 Comment
  SEINET7705258  Rubus bifrons W. Priest 1956-4-16 s.n. Placer U.S. Hwy. 40, just W of Bbaxter. 1067 Comment
  UC89647  Rudbeckia occidentalis T. S. Brandegee 1888-9-1 Placer Blue Canyon Comment
  CHSC74249  Rumex acetosella Susi Urie; Eric Schroder 1998-9-8 98 -304 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  RSA466037  Rumex acetosella L. S. Rose 1944-7-12 44087 Placer Chamber Lodge, Lake Tahoe. 1921 Comment
  UCD14635  Rumex acetosella Deanna Lynn Pfleger 1989-5-20 16 Placer Placer Co.; 30 miles from Auburn along Mosquito Ridge Road; 498 Comment
  UCR257627  Rumex acetosella George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19524 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  CAS-BOT-BC422036  Rumex acetosella Betty J. Jorgensen 1944-7-23 533 Placer Near Soda Springs Comment
  CDA32823  Rumex acetosella William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  UCR250080  Rumex crispus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20499 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-BC434298  Rumex triangulivalvis Beecher Crampton 1972-7-26 8847 Placer Carpenter Flat east of Emigrant Gap. Dry slope above Laings road. 1615 Comment
  UCD33736  Rumex triangulivalvis Beecher Crampton 1972-7-26 8847 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC103610  Salix eastwoodiae W. R. Dudley 1900-6-15 5124 a Placer on flat north east of Lake Mary Comment
  UCD22314  Salix eastwoodiae Rex Palmer 1979-7-11 N 551 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC103619  Salix eastwoodiae 1931-7-12 2592 a Placer along Mt. Rose Trail, Tahoe N.F. 2590 Comment
  SEINET12612920 Image available Salix eastwoodiae W. R. Dudley 1900-1 5048 /1238 Placer Below upper dam at Douner Lake. Comment
  CHSC9628  Salix geyeriana E. L. Smith 1971-7-27 1000 Placer At Martis Valley ca. 11 km se of Truckee. 1800 Comment
  CAS-BOT-BC107864  Salix gooddingii Gordon H. True 1968-7-9 4296 Placer Edge of roadside ditch, East of Sheridan, 5.5 miles west of Camp Far West Reservoir Comment
  CAS-BOT-BC108210  Salix hindsiana Gordon H. True 1971-4-21 6527 Placer Auburn Ravine just west of Lincoln 49 Comment
  CAS-BOT-BC106882  Salix jepsonii W. R. Dudley 1900-6-14 5063 Placer between Donner Lake and Summit Comment
  UCD22310  Salix jepsonii Rex Palmer 1979-6-20 N 312 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA16980  Salix laevigata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16033 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC477570  Salix lasiandra subsp. lasiandra L. S. Smith 1931-8-27 2626 Placer French Meadows Tahoe Nat'l Forest, French Meadows Comment
  CAS-BOT-BC125294  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-29 5804 Placer Truckee River, below Tahoe City Comment
  POM362786  Salix lasiolepis Glenn A. Gorelick 1965-8-21 s.n. Placer Emigrant Gap. Comment
  UC532215  Salix lasiolepis Herbert F. Copeland 1935-3-17 Placer near Gold Run (along creek) Comment
  CDA39563  Salix lasiolepis H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 Comment
  CAS-BOT-BC128473  Salix lasiolepis var. lasiolepis W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC124755  Salix lemmonii W. R. Dudley 1900-6-1 5533 Placer near Madden's Creek above McKinneys Cr. Comment
  CAS-BOT-BC124757  Salix lemmonii W. R. Dudley 1900-6-14 5096 Placer East of hotel at Summit Comment
  CAS-BOT-BC124784  Salix lemmonii W. R. Dudley 1900-6-14 5111 Placer Valley northwest of Lake Mary, near Summit Comment
  CHSC74123  Salix lemmonii Susi Urie 1998-8-13 98 -025 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  JEPS111243  Salix lemmonii Steve Matson 2005-6-19 1303 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
  RSA28829  Salix lemmonii A. A. Heller 1917-6-19 12735 Placer Emigrant Gap. 1616 Comment
  UC1134907  Salix lemmonii B. Bolt 1934-8-21 185 Placer French Meadows, Poppy Camp Tahoe Nat'l Forest, Truckee Quad., French Meadows, Poppy Cam Comment
  UCD22316  Salix lemmonii Rex Palmer 1979-5-26 N 2 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  UCD43891  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1257 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 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-BC125066  Salix ligulifolia Dr. Kellogg 1870-6-30 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  RSA28828  Salix ligulifolia A. A. Heller 1917-6-19 12733 Placer Emigrant Gap. 1616 Comment
  CAS-BOT-BC128234  Salix lucida W. R. Dudley 1900-6-14 5049 Placer Near dam at Donnre Lake Comment
  JEPS86498  Salix orestera L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6579 Placer ca. 5 mi se Donner Lake (near Frog Lake, in cirque below 7889 ft rise, ca. 1.5 mi se of Chickering houses at Soda Spring (old resort)); , Frog Lake, Sherman Chickering's Soda Springs ho 2286 Comment
  CAS-BOT-BC129076  Salix scouleriana W. R. Dudley 1909-8-23 s.n. Placer Lake Tahoe Comment
  CAS-BOT-BC129083  Salix scouleriana W. R. Dudley 1900-6-14 5075 Placer Rocks on right of road between Donner Lake and summit Comment
  UC1135082  Salix scouleriana B. Bolt 1934-7-19 145 Placer 1/2 mi. n. Tadpole Spring; Tahoe Nat'l Forest, Colfax Quad. Comment
  UC846454  Salix scouleriana Marcus E. Jones, A. M. 1882-7-1 3488 Placer Emigrant Gap Comment
  UCD22307  Salix scouleriana Rex Palmer 1979-5-26 N 22 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UC1119902  Sambucus mexicana B. Bolt 1934-7-17 134 Placer 3/4 mi n Robertson Flat; Tahoe National Forest, Colfax Quadrangle Comment
  CAS-BOT-BC238835  Sambucus nigra subsp. caerulea Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  UCD22158  Sambucus nigra subsp. caerulea Beth Lowe Corbin 1982-8-10 304 Placer 1 1/2 miles WNW of Onion Creek Campground. 2011 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
  SFV11645  Sanicula bipinnatifida M. L. Vincent 1965-4-11 605 Placer 1 mile north of Marysville on Highway 99E. Roadside. 20 Comment
  SD248316  Sanicula crassicaulis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20806 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's road, 3.6 miles northwest of its junction with Forest Hill Road. 768 Comment
  UC1714588  Sanicula crassicaulis C. Ritchie Bell 1952-4-19 3 X417-1 Placer 1.6 mi n of the Placer-El Dorado County Line (above California Hwy 49) Comment
  UC174164  Sanicula graveolens C. F. Sonne 1886-6-6 Placer Sierra Nevada Mountains, road to Tahoe Sierra Nevada Mountains Comment
  SEINET3480979  Sanicula tuberosa L. S. Rose 1941-7-18 1911 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) Comment
  UC147589  Sanicula tuberosa Miss Harriet A. Walker 1908-6-24 1300 Placer Blue Canyon 1432 Comment
  UC1598738  Sanicula tuberosa Mrs. M. M. Hardy 1893-1 Placer in Placer County Placer County Comment
  UC585093  Saxifraga aprica E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1584 Placer about 3 mi e of Emigrant Gap (between main road and Nevada City Road) 1767 Comment
  POM141734  Saxifraga bryophora C. F. Sonne 1897-7-18 s.n. Placer [Above ?], Truckee. Comment
  UC1562609  Saxifraga californica Barbara Ertter with David Thompson 1989-4-9 8182 Placer 4 air mi w of Foresthill (bridge over Shirttail Canyon, w of Yankee Jim's) 304 Comment
  UC73127  Saxifraga californica Milo S. Baker 1900-2-11 Placer near Auburn Comment
  UCR208271  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2009-5-7 14637 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  JEPS47491  Saxifraga tolmiei C. F. Sonne 1888-8-12 92 Placer Tinker's Knob; Sierra Nevada Mountains, Tinker's Knob 2590 Comment
  POM90720  Saxifraga tolmiei C. F. Sonne 1885-8-23 s.n. Placer Tinker Knob. 2896 Comment
  SD43660  Scandix pecten-veneris Darley F. Howe 1948-5-21 1915 Placer 455 Comment
  CAS-BOT-BC35624  Scirpus congdonii John Thomas Howell 1943-7-22 18700 Placer Summit Valley Comment
  UC1100817  Scirpus pungens Malcolm A. Nobs, S. Galen Smith 1949-8-22 1545 Placer at sw city limits Roseville (marshy stream) Comment
  UCD32554  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer Placer County, 2 miles northwest of Roseville, Diamond K Ranch. Comment
  SCFS5070  Scutellaria californica E. Krimmel 2014-6-26 Placer Shade Comment
  UC565461  Scutellaria californica Herbert L. Mason 1926-5-26 3274 Placer 5 mi above Auburn Comment
  UCD125713  Scutellaria californica Rex Palmer 1979-7-25 N 677 Placer Exact location unknown. Comment
  UC25825  Scutellaria tuberosa H. N. Bolander 1865-4-16 4576 Placer Forest Hill 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
  JEPS124761 Image available Sedum obtusatum Stamps 1967-7-12 56 Placer High in a crevice on a granite cliff, about 100 yards north of Highway 40. 2.5 mi west of Kingvale. Comment
  UCD159864  Selaginella wallacei G. Ledyard Stebbins 1970-7-12 7052 Placer Bear River Canyon, 2 miles north of Alta. 1097 Comment
  CAS-BOT-BC69720  Selaginella wallacei G. Ledyard Stebbins 1952-6-22 s.n. Placer Near bridge on Colfax - Town Hill Road, American River. 350 Comment
  UCD21788  Senecio Rex Palmer 1979-6-9 N 162 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  SD43765  Senecio aronicoides Darley F. Howe 1948-5-23 1922 Placer American River 305 Comment
  UC829681  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca 1.0 mi w Baxter Comment
  UCD44656  Senecio hydrophiloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2022 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC73934  Senecio hydrophilus Susi Urie 1998-8-25 98 -089 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD41247  Senecio integerrimus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1702 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main St. 1066 Comment
  CAS-BOT-BC364029  Senecio integerrimus var. major John H. Thomas; Hazelle A. Thomas 1956-7-21 6107 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC91655  Senecio serra var. serra C. F. Sonne 1892-8-21 Placer along river (Tahoe Road); Siera Nevada Comment
  UCD135801  Senecio triangularis L. M. Sparks 1912-8-1 56 Placer Lake Tahoe. 1920 Comment
  UCD44005  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1371 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET3154401  Sequoiadendron giganteum W. A. Dick, Gaby 1967-11-15 sn Placer on West slope of Sierra Nevada from Placer to Tulare 2438 Comment
  UCD83590  Sericocarpus oregonensis subsp. californicus Albert Grigarick 2009-8-7 159 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1959 Comment
  CAS-BOT-BC364758  Sericocarpus oregonensis subsp. californicus L. R. Abrams 1917-9-15 6762 Placer Near Dutch Flat Comment
  CDA19924  Sesbania punicea R. Simon 2002-6-17 PDR P 087232 Placer Sierra Nevada; Miner's Ravine Park 0 Comment
  UCD147094  Sesbania punicea Chuck Hughes 2013-5-14 378 Placer Southern margin of Camp Far West Reservoir. 95 Comment
  CAS-BOT-BC243535  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Southeast corner Newcastle Road and Brenner Road, Newcastle Comment
  SACT002081  Setaria faberi D. Meyer 1972-10-5 Placer Collected just north of Eureka Road. Weed along edge of irrigation ditch orchard. Comment
  UCR253804  Setaria pumila George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20095 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  UC1261251  Setaria viridis G. D. Barbe 1974-11-26 1985 Placer e. Roseville (fence line along Barton Rd. at Eureka Rd., n.w. corner) Comment
  UCD55219  Setaria viridis A. M. Shapiro 2006-8-1 s.n. Placer Colfax; waste ground near railroad tracks. Comment
  UCD92828  Setaria viridis var. major G. Douglas Barbe 1974-11-26 1985 Placer along Barton Road at Eureka Road, northwest corner, east of Roseville. Comment
  CDA37051  Sherardia arvensis CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UC889388  Sherardia arvensis C. L. Hitchcock 1940-5-7 6352 Placer ca 1 mi w Baxter Comment
  CHSC73956  Sidalcea glaucescens Susi Urie 1998-8-11 98 -022 Placer Lake Tahoe Basin Management Unit - National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  JEPS59420  Sidalcea glaucescens Ezra Brainerd and Viola B. Baird 1915-7-25 140 Placer above Deer Park Inn (Garden of the Gods); Sierra Nevada Mts., Garden of the Gods 2072 Comment
  UC750673  Sidalcea glaucescens Lewis S. Rose 1941-7-14 41314 Placer Homewood , Homewood (Lake Tahoe) 1920 Comment
  UC614866  Sidalcea glaucescens Beryl O. Schreiber 1933-9-11 762 Placer road to Summit; road to Summit Comment
  RSA21277  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  UCD15658  Sidalcea malviflora Jessica Le 1989-6-3 19 Placer Out of Colfax city, onto Rd 174. 609 Comment
  UCR139417  Sidalcea oregana Fay A. MacFadden 1934-8-10 12840 Placer Sierra Nevada Mtns., Cisco 1829 Comment
  UCD150578  Sidalcea oregana subsp. spicata James A. Neilson Jr. 1972-8-10 2705 Placer Tahoe Basin, Lower Ward Valley. 1981 Comment
  UCD33730  Sidalcea oregana subsp. spicata Beecher Crampton 1972-7-26 8838 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  SEINET8726854 Image available Sidalcea spicata Lewis S. Rose 1937-1 37614 Placer Tahoe Vista 1905 Comment
  SBBG71658  Silene M. N. Ackley -Jun-1925 75 Placer Blue Cyn 1430 Comment
  UCD22168  Silene bernardina Beth Lowe Corbin 1982-8-4 224 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 15% inclination. Uncommon. Mostly sun. Montane chaparral in rocky, fine, sandy soil. Perennial herb, flowers white. Comment
  UC942755  Silene californica Peter H. Raven, G. L. Stebbins Jr. 1952-4-20 4016 Placer North Fork American River s Auburn (near bridge on Rt. 49); North Fork American River s of Auburn 213 Comment
  SEINET5726595 Image available Silene californica J. F. Addicott 1965-1 55 Placer on east side of Interstate Highway 80, .3 mile north of Colfax.; Colfax 732 Comment
  CAS-BOT-BC386978  Silene douglasii J. T. Howell 1943-7-21 18634 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC386980  Silene douglasii H. M. Hall 1910-7-4 8742 Placer Near Cisco 1890 Comment
  JEPS111182  Silene douglasii Steve Matson 2005-6-19 1305 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
  UC148952  Silene douglasii H. M. Hall July 1910 8728 Placer Cisco Sierra Nevada Mountains, Cisco 1828 Comment
  UC1283705  Silene douglasii Beecher Crampton 1964-7-21 7123 Placer 1 mi e Cisco Grove; e of Cisco Grove 1737 Comment
  UCD150313  Silene douglasii var. douglasii James A. Neilson Jr. 1970-1 1678 Placer Tahoe Basin, Ward Creek, Plot E232, Sp. III. 2023 Comment
  UCD98710  Silene gallica Greg Vita 1978-5-7 24 Placer W. slope of Folsom Lake, 1.2 miles N of Twin Rocks Road along Boulder Road. 152 Comment
  UCD15170  Silene laciniata subsp. californica Phyllis Adams 1982-5-15 48 Placer California, Placer Co.; in the American River Canyon; 198 Comment
  CAS-BOT-BC388988  Silene laciniata subsp. californica Saichi Kawahara 1969-7-6 1456 Placer Mel Henderson Ranch 987 Comment
  CDA11926  Silene lemmonii G. F. Hrusa, J. Dinsdale 1989-5-2 7065 Placer Sierra Nevada; Mosquito Ridge Rd, about 15 miles below Placer Redwood Grove. Comment
  UCR47349  Silene occidentalis subsp. occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco. 1800 Comment
  JEPS126414  Sisymbrium altissimum Steve Matson 2002-7-7 557 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on west side of pond near Highway 28. Comment
  SEINET4171040  Sisyrinchium bellum C. L. Hitchcock 1940-5-7 6340 Placer ca. 1 mile west of Baxter Comment
  SD103520  Sisyrinchium halophilum Darley F. Howe 1978-7-15 Placer Along State Highway 20, 29 miles west of Truckee. 1646 Comment
  SACT002213  Sitanion hystrix D. Meyer Placer South of Truckee, campground along Truckee River. 1828.0 Comment
  SACT002253  Sitanion jubatum Michael Baad 1977-6-21 Placer Two miles north of junction of road. Extensive serpetine outcrop. 1158.0 Comment
  SACT002256  Sitanion jubatum Michael Baad 1976-6-3 Placer Descending towards Middle Fork on road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. 701.0 Comment
  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
  CDA5917  Solanum aviculare J. H. Wilson 1961-8-3 Placer Albert Fanini property, 1145 Liveoak Lane, Auburn. 0 Comment
  UC884983  Solanum umbelliferum P. A. Lehenbauer 1935-6-18 Placer near Tahoe City 1898 Comment
  RSA338635  Solanum umbelliferum Margaret J. Williams 1985-7-6 85- 63 -4 Placer Pacific Crest Trail between old and new Donner Summits. Comment
  SEINET3162627  Solanum xanti W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  RSA122317  Solidago canadensis subsp. elongata H. S. Yates 1934-6-29 3900 Placer Near Tahoe City. 1921 Comment
  RSA122319  Solidago canadensis subsp. elongata B. Bolt 1934-8-22 186 Placer Grayhorse Flat, west of Lake Tahoe. 1982 Comment
  UCR201521  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14014 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  CAS-BOT-BC365503  Solidago elongata Alice Eastwood 1909-1-1 192 Placer Lake Tahoe Region. Sunnyside Comment
  OBI20136  Solidago elongata David J. Keil 1978-7-23 12951 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UC579497  Solidago elongata H. S. Yates 1934-6-29 3900 Placer near Tahoe City; Truckee Quad. Comment
  UC1035661  Solidago velutina subsp. californica Mildred M. Enzler 1939-9-17 Placer near Applegate (Highway 40) 609 Comment
  UC579222  Solidago velutina subsp. californica G. T. Nordstrom 1934-6-21 130 Placer 4/10 mi w by nw Mammoth Springs; Colfax Quad. Comment
  UCD74254  Sorbus californica Jennifer W. Burt 2005-7-16 143 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from coniferous forest near abandoned ski runs. 1947 Comment
  UCR194708  Sorghum halepense George K. Helmkamp, E. A. Helmkamp 2007-10-28 13107 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  SJSU5076  Sparganium angustifolium R. L. Fisher 1959-8-12 Placer 2 mi W of Lake Van Norden on road to Cascade Lake 1981 Comment
  UC1099927  Sparganium natans Malcolm A. Nobs and S. Galen Smith 1949-8-21 1509 Placer n end Lake Tahoe (marsh between beach and Agate Bay) Comment
  CDA39020  Spartium junceum D. G. Kelch 2011-10-2 11 .812 Placer Gold Run rest stop. Comment
  UCR233270  Spartium junceum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17679 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CHSC81777  Spergularia rubra Lowell Ahart 2001-10-10 9363 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  UCD150465  Spergularia rubra James A. Neilson Jr. 1971-8-11 2317 Placer Tahoe Basin, Homewood. 1905 Comment
  UCD43883  Sphenosciadium capitellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1249 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR179197  Sphenosciadium capitellatum Rex Palmer 1979-1 N- 895 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  RSA122177  Spiraea densiflora N. H. French 1934-6-8 403 Placer Cisco Butte 1921 Comment
  SD6053  Spiraea densiflora none given none given June 1914 Placer Cisco Comment
  SCFS1104  Spiraea splendens E. Krimmel 2013-6-2 Placer Foresthill Road, Am. River Gorge overlook Comment
  UCD114068  Spiraea splendens G. F. Hrusa; J. Glazner 2000-9-3 15678 A Placer Sugar Bowl Ridge, immediately to w of proposed Crow's Nest ski run. 2164 Comment
  UCD34057  Sporobolus cryptandrus Beecher Crampton 1975-10-14 9330 Placer Emigrant Gap area on Interstate Hwy. 80 just E of Vista Point. 1524 Comment
  UCD93122  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8163 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80W, junction of Meadow Vista Road. 487 Comment
  UCD93129  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  CHSC74230  Stachys ajugoides var. rigida Susi Urie 1998-9-2 98 218 A Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 2 mi north of Lake Tahoe. 1908 Comment
  UC416739  Stachys ajugoides var. rigida Katharine Brandegee Aug. 1911 Placer Tahoe Tavern Comment
  RSA175346  Stachys albens Marcus E. Jones 1903-6-28 s.n. Placer Emigrant Gap Comment
  SBBG6551  Stachys rigida E. R. Blakley 1960-9-3 3810 Placer Kings Beach, Lake Tahoe 1903 Comment
  UCD99342  Stellaria calycantha G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12056 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 11.1 miles northeast of Foresthill. Comment
  UCD99389  Stellaria media J. J. Geibel 1965-5-1 30 Placer on Forest Hill Road, 8 miles west of Forest Hill. 670 Comment
  UCR171207  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-24 10074 Placer Northern Sacramento Valley, Junction of Wise Road and Garden Bar Road east of Ewing 95 Comment
  UCD150470  Stellaria umbellata James A. Neilson Jr. 1970-1 1978 Placer Tahoe Basin, Lower Ward Creek, plot 232P, space 7. 2005 Comment
  CHSC67639  Stenotus acaulis James D. Jokerst 1986-7-13 2736 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. 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
  UCD69357  Stephanomeria lactucina S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. 2100 Comment
  SACT002331  Stipa californica Michael Baad 1976-8-4 Placer Collected on banks amoung rocks and in gravel beside creek. 1975.0 Comment
  SACT002342  Stipa columbiana D. Meyer 1983-7-30 Placer Moist areas in both sides of road. 2072.64 Comment
  CAS-BOT-BC87763  Streptanthus tortuosus A. A. Heller 1917-6-17 12690 Placer Near the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC87764  Streptanthus tortuosus Lewis S. Rose 1941-7-23 41355 Placer Chambers Lodge, (McKinney), Lake Tahoe. 1920 Comment
  UCD22382  Streptanthus tortuosus Rex Palmer 1979-6-19 N 259 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR208540  Streptanthus tortuosus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14611 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCR226134  Streptanthus tortuosus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5164 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, south side of trail between creek and trail 2138 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
  UCD119092  Styrax redivivus Robert C. Bechtel 1952-5-3 95 Placer 2 miles east of Auburn. Comment
  CAS-BOT-BC47709  Styrax redivivus M. E. Jump 1939-5-15 s.n. Placer Road to Foresthill Comment
  CAS-BOT-BC47710  Styrax redivivus Julie Combs 1994-5-14 19 Placer 1/2 m E of Robie St. just off hiking trail 274 Comment
  JEPS5024  Swertia albicaulis var. nitida Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, Juan Hunziker, Fritz Ehrendorfer and Zohary 1952-7-20 3870 Placer 6 mi e of Iowa Hill (near headwaters of Shirttail Creek, just s of Shirttail Camp); Tahoe National Forest 1127 Comment
  CAS-BOT-BC245736  Symphoricarpos rotundifolius Elizabeth Parsons Hawver 1911-7-20 s.n. Placer Ward Creek, Lake Tahoe Region Comment
  CAS-BOT-BC97556  Symphyotrichum ascendens E. R. Blakley 1960-9-3 3813 Placer [King's] Kings Beach, Lake Tahoe 1905 Comment
  CHSC74193  Symphyotrichum ascendens Susi Urie 1998-9-2 98 -199 Placer Below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UC87110  Symphyotrichum bracteolatum C. F. Sonne 1886-8-1 Placer Mayers Meadows; Truckee Comment
  UC148933  Symphyotrichum spathulatum H. M. Hall 1910-7-11 8757 Placer Old Cisco Sierra Nevada Mountains 1737 Comment
  UCD74033  Symphyotrichum spathulatum Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 218 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Terrain Park' ski run. 2221 Comment
  UC128139  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-27 1464 Placer Cisco Yuba River Comment
  OBI20155  Symphyotrichum spathulatum var. spathulatum David J. Keil 1978-7-23 12923 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  OBI16991  Symphyotrichum spathulatum var. yosemitanum Robert F. Hoover 1967-9-6 10848 Placer Kings Beach, Lake Tahoe Comment
  UCD33677  Tanacetum vulgare Beecher Crampton 1971-8-18 8753 Placer Lake Tahoe, Tahoe Vista. 1920 Comment
  CAS-BOT-BC376912  Taraxacum officinale Saichi Kawahara 1969-5-25 1002 Placer Mel Henderson Ranch, east of Indian Creek 987 Comment
  CDA19565  Taraxacum officinale M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 221 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  CHSC72875  Taraxia subacaulis L. P. Janeway; Eric Schroder 1998-7-13 5753 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UC146431  Taraxia tanacetifolia Miss Harriet A. Walker 1910-6-18 2135 Placer near R.R. track; Truckee Comment
  UC303494  Tauschia hartwegii Mary E. Pulsifer Ames March 1892 Placer Auburn Comment
  CAS-BOT-BC447428  Tellima grandiflora Marcus E. A M Jones 1982-7-1 2710 Placer Emigrant Gap Comment
  UC477531  Thalictrum fendleri L. S. Smith 1931-6-3 2555 Placer Robertson Flat Tahoe Nat. Forest 2133 Comment
  CDA13673  Thalictrum fendleri var. fendleri G. F. Hrusa, J. Glazner 1997-8-3 14033 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CAS-BOT-BC399743  Thalictrum polycarpum Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  UCD93353  Thinopyrum intermedium Frederica Bowcutt 1994-7-22 1952 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. 2438 Comment
  CAS-BOT-BC88167  Thysanocarpus curvipes G. L. Stebbins 1978-5-28 7884 Placer West side of Big Crater. 1280 Comment
  HSC27260  Thysanocarpus curvipes J. P. Smith 1972-3-22 5092 Placer Bridge over N Fork of American River. 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
  CAS-BOT-BC88166  Thysanocarpus curvipes Charles von Geldern 1912-5-1 s.n. Placer American River. Comment
  SEINET12437545  Thysanocarpus curvipes M. Demorest 1962-3-15 s.n. Placer Junction of the North Fork and Middle Fork of the American River, 4 miles from Auburn. 274 Comment
  UC188139  Thysanocarpus curvipes C. F. Sonne 1891-4-5 Placer hillsides below Auburn; below Auburn Comment
  UC117269  Thysanocarpus radians Mrs. K. Brandegee May, 1884 Placer Roseville Comment
  RSA779397  Torilis arvensis George K. Helmkamp, Amy Barnes 2009-7-12 15189 Placer along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  JEPS888  Torilis nodosa W. H. Shockley June 1886 Placer Auburn Comment
Read comments Oct 3 2006
  MACF014987  Torreya californica Faye. A. McFadden 1934-7-2 12718 Placer American River, 1 mi. east of Rawhide Mine; Placer County Comment
Read comments Oct 17 2016
  CAS-BOT-BC172899  Toxicodendron diversilobum J. M. Ogawa 1952-5-8 s.n. Placer North of Loomis 121 Comment
  UC187962  Trifolium albopurpureum var. olivaceum Katharine Curran April 1883 Placer Penryn Comment
  UCD108260  Trifolium ciliolatum Beecher Crampton 1955-6-17 2924 Placer 10.5 miles W of Forest Hill. Comment
  SCFS2171  Trifolium cyathiferum L. Hooker 1963-6-27 29 Placer Mdw 3.7 mi past Montreal Rd on Hwy 89 1829 Comment
  SEINET12157177  Trifolium cyathiferum C. F. Sonne 1884-1 60 Placer Canon above Goldstream, Macerlea Comment
  HSC82235  Trifolium depauperatum Thomas W. Nelson 1979-4-10 4579 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. 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
  JEPS113120  Trifolium dubium Lowell Ahart, Brian Williams 2007-4-13 13667 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SEINET7865170 Image available Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains; Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  CAS-BOT-BC257794  Trifolium glomeratum George K. Helmkamp; E. A. Helmkamp 2011-6-2 17457 Placer Northern Sierra Nevada Mountains Foothills: along CA-49 southeast of Auburn at a trail entrance to the Auburn State Recreation Area 354 Comment
  CDA36890  Trifolium glomeratum CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SD237453  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15907 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
  SD248419  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 961 Comment
  UCR173259  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10444 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCR173274  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10438 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  UCR188845  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2007-3-25 11712 Placer Foothills, Northern Sierra Nevada Mountains, Forest Hill Road at the junction with the unnamed road to Lake Clementine 457 Comment
  UC149769  Trifolium kingii var. productum W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer vicinity Lake Tahoe; Rubicon Park Comment
  JEPS127423  Trifolium longipes subsp. hansenii Steve Matson 1997-6-25 12 Placer nSNH Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UC630854  Trifolium longipes var. hansenii unknown Placer Squaw Valley Comment
  UCR208575  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14605 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  SEINET7389529  Trifolium microcephalum A. Beninghoff 1930-4-20 1778 Placer 3 mi. n. Newcastle Comment
  CHSC82587  Trifolium monanthum subsp. parvum Lowell Ahart 2002-7-22 9887 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  CAS-BOT-BC230182  Trifolium productum Dr. Kellogg 1870-6-29 s.n. Placer Unspecified Comment
  CAS-BOT-BC230184  Trifolium productum John Thomas Howell 1938-8-2 13995 Placer 5 miles n. of Brockway Comment
  UCR249555  Trifolium subterraneum George K. Helmkamp 2013-3-1 20151 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  SD247434  Trifolium tomentosum George Helmkamp, Amy Barnes 2013-3-28 20299 Placer Eastern Sacramento Valley: Northwest side of junction if Riosa Road and Andressen Road, northeast of Sheridan (Lincoln 7.5'Q) 35 Comment
  UCR249534  Trifolium tomentosum George K. Helmkamp, Amy Barnes 2013-3-28 20299 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  SEINET7375916  Trifolium tridentatum H. E. Hodge 1956-3-28 14 Placer U.s. Hwy 40, one mile east of Rocklin 76 Comment
  HSC82226  Trifolium variegatum Thomas W. Nelson 1979-4-10 4576 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UC750544  Trifolium variegatum Lewis S. Rose 1946-6-23 46187 Placer n Cisco (Rainbow) Comment
  UCR250346  Trifolium willdenovii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20363 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
  JEPS4385  Trifolium willdenovii Leland S. Smith 1925-6-3 1613 Placer below Yankee Jim; Forest Hill district Comment
  UCSC010619  Trifolium willdenovii George K. Helmkamp, Amy Barnes 2014-3-21 22630 Placer Sacramento Valley: iosa Road at the east side of junction with CA SR65, just west of Sheridan 33 Comment
  JEPS127437  Trifolium wormskioldii Steve Matson 2003-6-29 817 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  UCR244771  Trifolium wormskioldii Charles Hughes 2010-7-13 239 Placer Sierra Nevada Mountains, eastern edge of Truckee River near northwest corner of intersection of Alpine Meadows Road and Hwy 89 1888 Comment
  JEPS59438  Trifolium wormskioldii Ezra Brainerd and Viola B. Baird 1915-7-22 158 Placer Bear Rock Sierra Nevada Mtns (between rr and Truckee River) 1889 Comment
  CAS-BOT-BC519123  Trillium albidum C. L. Hitchcock 1940-4-7 6306 Placer Ca. 1 miles west of Baxter. Comment
  POM260064  Trillium chloropetalum var. giganteum C. L. Hitchcock 1940-5-7 6306 Placer 1 mile west of Baxter Comment
  SEINET7067116  Triphysaria eriantha A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. Comment
  UCR250186  Triphysaria eriantha George K. Helmkamp 2013-3-1 20152 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  SEINET13750242  Triphysaria eriantha P. A. Lehenbauer 1937-4-11 s. n. Placer Auburn Comment
  UC219136  Triphysaria eriantha subsp. eriantha Mary E. Pulsifer Ames Mar, 1895 Placer Auburn Comment
  UCR206357  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2009-3-11 14386 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  UCD32805  Trisetum projectum Beecher Crampton 1964-7-21 7115 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. 1706 Comment
  SACT002458  Trisetum spicatum D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  UCD22214  Trisetum spicatum Beth Lowe Corbin 1982-8-18 369 Placer 5/6 mile SW of The Cedars. NW facing slope, 10% incline. Frequent. Full sun. In rocky, sandy, granitic soil of montane chaparral. Perennial forming small bunches. 1841 Comment
  SACT002446  Trisetum spicatum var. projectum Michael Baad 1976-7-17 Placer 0.5 mile east of Five Lakes. 1.5 miles west of Alpine Meadows Ski Area, open slopes of eroded granite. 2072.0 Comment
  SACT002454  Trisetum spicatum var. projectum Michael Baad 1976-8-4 Placer Collected at end of Jeep road. 2 miles east of Talbot Camp. Northeast of MIldred Ridge 1975.0 Comment
  RSA21282  Triteleia hyacinthina Carl B. Wolf 1937-5-12 8626 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  RSA21430  Triteleia hyacinthina Carl B. Wolf 1937-5-12 8610 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  RSA378026  Triteleia hyacinthina Carl B. Wolf 1937-5-12 8610 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  SD248289  Triteleia hyacinthina George Helmkamp, Amy Barnes 2013-3-28 20281 Placer Eastern Sacramento Valley: along 10th Street/Ranch House Road, 0.6 mile south of its junction with Riosa Road in Sheridan (Lincoln 7.5'Q) 42 Comment
  SEINET192013 Image available Triteleia hyacinthina C. L. Hitchcock 1940-5-14 6378 Placer Meier Ranch about 6 miles north of Colfax 762 Comment
  UCD43237  Triteleia hyacinthina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 606 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  LA21987  Triteleia ixioides A. M. Carpenter; August 1892 sn Placer Sierra Nevada Mountains Comment
  UCD14650  Triteleia ixioides Deanna Lynn Pfleger 1989-5-20 1 Placer 20 miles out of the town of Auburn, along Foresthill Road; 1036 Comment
  UCD22034  Triteleia ixioides Rex Palmer 1979-6-19 N 256 Placer Headwaters basin area of the North Fork of the American River. Comment
  SCFS5103  Triteleia ixioides F. Felix, Erica Krimmel 2013-5-19 25 Placer North Fork American River, 0.5 mile east Heath Falls overlook, on trail Comment
  SEINET8506345  Triteleia ixioides J. Vetter 1955-4-23 s.n. Placer 0.5 mile E of Loomis. 274 Comment
  CAS-BOT-BC524224  Triteleia ixioides subsp. anilina John H. Thomas; Hazelle A. Thomas 1956-7-21 6138 Placer Donner Pass, 80 miles northeast of Sacramento 2377 Comment
  UC147621  Triteleia ixioides subsp. anilina Harriet A. Walker 1908-6-24 1274 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC524222  Triteleia ixioides subsp. anilina J. P. Moore 1828-5-1 295 Placer Truckee River Comment
  CAS-BOT-BC228604  Triteleia ixioides subsp. scabra George K. Helmkamp; E. A. Helmkamp 2011-5-6 17219 Placer Eastern Edge of Sacramento Valley: Camp Far West Road, 0.1 mile west of its junction w