Search Results — 2000 specimen records retrieved (1588 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78090  Abies magnifica Carl B. Wolf 1930-10-10 1726 Placer Coldstream Canyon, 5 miles from Truckee 1981 Comment
  CAS-BOT-BC78091  Abies magnifica Baki Kasapligil 1974-1-19 4770 Placer Lake Tahoe Comment
  NY29526  Abies magnifica A. A. Heller 1912-7-20 10592 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA384223  Abies magnifica M. V. Hood 1940-7-11 s.n. Placer Above upper Soda Springs. 2500 Comment
  CAS-BOT-BC331004  Acer glabrum var. glabrum John H. Thomas; Hazelle A. Thomas 1956-7-21 6110 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles NE of Sacramento. 2377 Comment
  CAS-BOT-BC331014  Acer glabrum var. glabrum Emily K. Mcpherson 1976-6-12 s.n. Placer Sierra Nevada. Loch Leven Lakes Comment
  UCD22096  Acer glabrum var. glabrum Beth Lowe Corbin 1982-8-4 245 Placer 1 1/4 mile NE of Onion Creek Campground. SE facing slope, 20% inclination. Partial sun. In damp canyon of white fir forest. Shrub 5 ft tall, with smooth, greyish bark. Fruit greenish. 2103 Comment
  SCFS1156  Achillea millefolium E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Cedar's Meadow. Comment
  UCD43244  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 613 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43935  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1301 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 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
  UCD22220  Achnatherum lemmonii Beth Lowe Corbin 1982-8-9 286 Placer 1/2 mile SW of Onion Creek Campground. S facing slope, 15% incline. Uncommon. Full sun. In rocky, fine, sandy soil. Open, logged, mixed conifer forest. Perennial. Leaves pale, bluish. 1767 Comment
  RSA0008969  Achnatherum lemmonii var. lemmonii Marcus E. Jones 1982-6-28 3298 Placer Emigrant Gap. Comment
  SEINET255910 Image available Achnatherum nevadense Mary E. Barkworth 1987-8-21 4012 Placer 1 block north of intersection of 89 south to Tahoe City and I 80 in Truckee Comment
  SEINET2470933  Achnatherum occidentale K. Christie 2010-6-30 1874 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
  SEINET9344569  Achnatherum occidentale Unknown 1999-7-17 15118 Placer Placer Comment
  UCD51020  Achnatherum occidentale G. L. Stebbins 1941-7-16 3173 Placer along U.S. Highway no. 40. 1 mile west of Cisco Grove. 1706 Comment
  CAS-BOT-BC210838  Achnatherum occidentale subsp. californicum No date on label 12889 Placer Summit Station 2121 Comment
  UC1133084  Achnatherum occidentale subsp. californicum B. Bolt 1934-7-3 69 Placer Sawtooth Ridge, top of Tahoe National Forest, Colfax Quadrangle Comment
  RSA126821  Achnatherum occidentale subsp. occidentale H. S. Yates 1936-8-9 5982 Placer 1.5 mi SW of Martis Plc. 2348 Comment
  SACT000021  Achnatherum occidentale subsp. occidentale James Grove 1977-7-15 Placer 2000.0 Comment
  UC750542  Achnatherum occidentale subsp. occidentale Lewis S. Rose 1946-6-23 46193 Placer n of Cisco (Rainbow) 1737 Comment
  CDA15993  Achnatherum occidentale subsp. pubescens G. F. Hrusa, L. Serafini 1993-6-29 11257 Placer Occasional on dry gravelly flats among granite boulders. Open huckleberry oak chaparral within white fir-ponderosa pine forest. S side of French Meadows Reservoir immediately below dam. Perennial bunch-grass. Comment
  CAS-BOT-BC218038  Achnatherum stillmanii Catherine Best 1979-7-7 s.n. Placer Ca. 15 miles E of Foresthill, Big Tree Grove Comment
  CAS-BOT-BC227675  Acmispon americanus var. americanus Beecher Crampton 1972-7-26 8836 Placer Carpenter Flat east of Emigrant Gap 1615 Comment
  UCD22075  Acmispon americanus var. americanus Rex Palmer 1979-7-12 N 597 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET5327535  Acmispon americanus var. americanus K. Thorne, Jody Chandler 1987-6-26 5439 Placer Truckee River Comment
  CHSC91778  Acmispon nevadensis G. F. Hrusa; J. Glazner 2000-7-1 15626 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  CAS-BOT-BC412608  Aconogonon alaskanum Alice Eastwood 1909-1-1 37 Placer Lake Tahoe Region. Sunnyside Comment
  UCD22143  Aconogonon davisiae Rex Palmer 1979-7-11 N 565 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC412849  Aconogonon davisiae G. Earle Kelley 1923-7-1 s.n. Placer Five Lakes, Tahoe Region Comment
  CAS-BOT-BC29249  Acroptilon repens T. C. Fuller 1964-9-1 12572 Placer North edge of freeway interstate 80 from Donner Summit, 0.1 miles W of Blue Canyon Road 1524 Comment
  UCR231855  Adenocaulon bicolor George K. Helmkamp, E. A. Helmkamp 2010-8-11 16764 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  JEPS44803  Adenostoma fasciculatum L. S. Smith 1932-5-11 Placer above Middle Fork American R. Forest Hill divide Comment
  SACT000030  Aegilops triuncialis D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  UCR241273  Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19218 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UCD22032  Agastache urticifolia Beth Lowe Corbin 1982-8-3 176 Placer Onion Creek campground. Along streambank but away from water. Perennial herb, with pinkish purple flowers, and strong mint odor. Mostly sun. Uncommon. Southwest facing slope. 1841 Comment
  UCD21769  Ageratina occidentalis Beth Lowe Corbin 1982-8-13 338 Placer 1 1/3 mile SSW of Onion Creek campground. 1645 Comment
  POM58925  Ageratina occidentalis A. M. Carpenter 1892-8-9 s.n. Placer [Unspecified] Comment
  CDA19542  Agoseris heterophylla M. I. Wibawa, G. F. Hrusa (16023), J. Glazner 2002-5-22 220 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
  SEINET7067125  Agoseris heterophylla A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  UC194732  Agoseris heterophylla var. cryptopleura C. F. Sonne 1891-5-17 Placer Colfax Comment
  CAS-BOT-BC13425  Agoseris retrorsa Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CDA15680  Agoseris retrorsa G. F. Hrusa, J. Glazner 1999-7-18 15230 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  SD240834  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Northern Sierra Nevada Mountains Foothills:Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road (Foresthill 7.5'Q) 1103 Comment
  SACT000049  Agropyron intermedium var. trichophorum D. Meyer 1983-7-3 Placer at Big Reservoir 1234.44 Comment
  SACT000067  Agropyron trachycaulum D. Meyer 1983-8-20 Placer Moist roadside meadow, some vegetation following residential construction 2000.0 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
  CAS-BOT-BC127448  Agrostis elliottiana Beecher Crampton 1957-5-7 3998 Placer 1.7 mile east of Lincoln. Comment
  SACT000103  Agrostis exarata Michael Baad 1983-8-27 Placer Trail from Big Bend Ranger Station to Lower Loch Leven Lake. Fir forest with granite 1767.84 Comment
  SACT000107  Agrostis exarata D. Meyer 1984-7-21 Placer Lake Shore Drive at Villas Rd east of Tahoe City. Moist roadside ditch and pine wooded area. Dense shade. 1927.0 Comment
  SEINET10268403  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 198895 Placer Northern Sierra Nevada Mountains: junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  UCD36660  Agrostis exarata Beecher Crampton 1955-6-15 2889 Placer Placer County, 2.5 miles north of Yankee Jims, at junction of Iowa Hill and Forest Hill Road. 609 Comment
  UCR146677  Agrostis exarata var. pacifica Beecher Crampton 1955-6-15 2915 Placer Sierra Nevada Mountains, 6 miles west of Forest Hill 457 Comment
  CAS-BOT-BC139728  Agrostis gigantea Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CAS-BOT-BC139257  Agrostis idahoensis John H. Thomas; Hazelle A. Thomas 1956-7-21 6198 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  SACT000187  Agrostis idahoensis Michael Baad 1976-8-7 Placer 2072.0 Comment
  SEINET3916446  Agrostis idahoensis Ellen Dean, M. Starbuck; M. Bibbo; J. Poloske 2008-7-20 5247 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.; 0 Comment
  SEINET4691428  Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2010-1 16380 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  UCD52995  Agrostis idahoensis B. Crampton 1955-7-13 2992 Placer Mountain slopes above US Hwy. 40, 3.5 miles east of Baker. 1432 Comment
  UCD53131  Agrostis pallens A. A. Heller 1917-8-13 12897 Placer Base of a cliff north of Cummit hotel. 2164 Comment
  UCD53209  Agrostis pallens A. S. Hitchcock Date Unknown 12892 Placer Summit Station. 2121 Comment
  UCD53242  Agrostis pallens B. Bolt 1934-7-17 s.n. Placer 1/2 mile S.W. of Walker Mine. 1981 Comment
  CHSC75035  Agrostis scabra Susi Urie; Eric Schroder 1998-9-8 98 -290 Placer Lake Tahow Basin. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SACT000151  Agrostis scabra D. Meyer 1983-7-16 Placer 1212.0 Comment
  UCD36712  Agrostis scabra Beecher Crampton 1955-7-13 2997 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD53516  Agrostis stolonifera B. Bolt 1934-8-14 s.n. Placer E. slope of Red Star Ridge. 1767 Comment
  UCD53521  Agrostis stolonifera B. Crampton 1955-7-13 2989 Placer along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  SACT000193  Agrostis stolonifera var. major D. Meyer 1984-7-8 Placer Blue Canyon Rd along stream, very moist streambank, beneath bridge. 1440.0 Comment
  SACT000196  Agrostis stolonifera var. major D. Meyer 1984-8-26 Placer 1818.0 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
  SACT000246  Agrostis variabilis D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT000247  Agrostis variabilis D. Meyer 1983-8-20 Placer Collected from the road to summit of trail at 1st lake. Steep rocky trail with moist meadow areas. 2000.0 Comment
  CDA36921  Aira caryophyllea CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CHSC96428  Aira caryophyllea Lowell Ahart 2007-4-13 13659 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CAS-BOT-BC445327  Alisma lanceolatum L. R. Abrams 1917-9-15 6760 Placer 3-5 mi above Auburn Comment
  CAS-BOT-BC447497  Allium amplectens Belle R. Jackson 1932-6-1 s.n. Placer on road to Iowa Hill, near Colfax Comment
  UCD150264  Allium bisceptrum James A. Neilson Jr. Date Unknown 1485 Placer Placer County?: Tahoe Basin. Exact location uncertain, possibly ward valley (Lat 39.140341, Long -120.21263). Comment
  CAS-BOT-BC464521  Allium campanulatum John H. Thomas; Hazelle A. Thomas 1956-7-21 6139 Placer Sierra Nevada. vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CHSC40965  Allium campanulatum J. D. Jokerst 1984-6-23 2064 Placer South of and adjacent to Big Mosquito Cr. 1249 Comment
  CHSC40995  Allium campanulatum J. D. Jokerst 1984-6-20 2070 Placer South of Big Grizzly Cr., north of the Rubicon. Comment
  POM110067  Allium campanulatum Marcus E. Jones 1882-6-30 2881 Placer Emigrant Gap. Comment
  SEINET176938  Allium campanulatum M. E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  UCD22047  Allium campanulatum Beth Lowe Corbin 1982-8-4 227 Placer 1/4 mile NW of Onion Creek Campground. 1981 Comment
  CAS-BOT-BC466755  Allium campanulatum Marcus E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  JEPS106452  Allium jepsonii Barrett Anderson 2003-6-22 4893 Placer 1340 ft; NE corner of the intersecton of Dry Creek Road and Blue Grass Drive, approx. 0.8 mi E of Hwy 49. Serpentine outcrop with a seep. 408 Comment
  UC593519  Allium obtusum E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1579 Placer Yuba Pass 1818 Comment
  CAS-BOT-BC474277  Allium obtusum var. obtusum Alice Eastwood 1912-6-15 408 Placer Deer Park. Lake Tahoe Region Comment
  UCD22046  Allium platycaule Beth Lowe Corbin 1982-8-4 238 Placer 1 1/2 mile NNW of Onion Creek campground. 2286 Comment
  JEPS14036  Allium sanbornii var. congdonii Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, D. Zohary, H. Stutz, J. Hunziker, F. Ehrendorfer 1952-7-20 3890 Placer serpentine hill just s Shirttail Public Camp (7 mi e of Iowa Hill); Tahoe National Forest 1188 Comment
  CAS-BOT-BC132121  Allium sanbornii var. sanbornii G. L. Stebbins, Jr. 1952-6-22 5100 Placer Along southeast bank of American River, 1 mile northeast of bridge on Colfax-Iowa Hill Road 350 Comment
  CAS-BOT-BC476705  Allium validum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadoes 1600 Comment
  UCR250083  Allophyllum gilioides subsp. gilioides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20504 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  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
  SCFS11529128  Alnus incana E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Comment
  UCD42882  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 249 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SDSU4775  Alnus incana subsp. tenuifolia unknown 1948-5-22 1823 Placer 1707 Comment
  RSA306165  Alnus rhombifolia Fay A. MacFadden 1934-7-8 12564 Placer Bear River. Dutch Flat. Comment
  UCR231871  Alnus rhombifolia George K. Helmkamp, E. A. Helmkamp 2010-10-16 17025 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
  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
  CAS-BOT-BC13676  Ambrosia artemisiifolia Peter H. Raven 1954-8-27 7957 Placer Penryn Comment
  JEPS7815  Ambrosia artemisiifolia Peter H. Raven 1954-8-27 7957 Placer at the lower edge of the oak belt Penryn Comment
  UC859329  Amelanchier A. A. Heller 1917-6-19 12729 Placer Emigrant Gap 1615 Comment
  RSA0090024  Amelanchier pallida Marcus E. Jones 1927-8-12 s.n. Placer Lake Tahoe. Comment
  CAS-BOT-BC136771  Amelanchier utahensis Julia McDonald 1914-6-1 s.n. Placer Homewood, Lake Tahoe region Comment
  OBI39814  Amelanchier utahensis Joy H. Nishida 1985-7-10 767 Placer Homewood 1829 Comment
  UCR121482  Amelanchier utahensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5017 A Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SEINET11792407  Amsinckia douglasiana W. D. Billings 1939-3-19 1199 Placer 10 miles NW of Auburn. Comment
  CHSC96504  Amsinckia eastwoodiae Lowell Ahart; Brian Williams 2007-4-13 13670 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln. 37 Comment
  RSA0089924  Amsinckia menziesii Reino Alava 1958-5-3 2019 Placer About seven miles south of Auburn on road to Cool. Comment
  CDA36965  Amsinckia menziesii var. menziesii CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD128779  Anaphalis margaritacea Rex Palmer Date Unknown N 887 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD21771  Anaphalis margaritacea Rex Palmer Date Unknown N 887 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET14147950 Image available Anaphalis margaritacea Ira L. Wiggins 1933-8-21 6783 Placer near Tahoma, shores of Lake Tahoe Comment
  UCD56040  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer north slope of the North Fork of the American River, along State Hwy. 49, 1 mile SE of Auburn. Comment
  UCD56087  Andropogon virginicus Beecher Crampton 1957-5-7 3995 Placer along Thermalands Road, 2 miles northeast Lincoln. Comment
  CAS-BOT-BC137794  Andropogon virginicus var. virginicus Beecher Crampton 1955-5-7 3999 Placer Roadbank, along US Highway 40, about 3 miles east of Auburn. Comment
  CAS-BOT-BC128576  Androsace occidentalis Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  UCR171396  Angelica George K. Helmkamp, E. A. Helmkamp 2005-10-1 9994 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR233459  Angelica George K. Helmkamp, E. A. Helmkamp 2011-8-26 18181 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
  UCD21840  Angelica breweri Beth Lowe Corbin 1982-8-12 330 Placer Onion Creek campground. In wet soil along streambank. Perennial herb 2 1/2' high. Flowers whitish. Full sun. SW facing slope, 5% incline. Occasional. 1841 Comment
  UCR209744  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2009-8-12 15437 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
  JEPS126322  Antennaria dimorpha Steve Matson 1998-8-12 319 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; about 600 yards south of Highway 267, 100 yards west of Golf Course Creek. Comment
  CAS-BOT-BC77286  Antennaria microphylla John Thomas Howell 1943-7-21 18639 Placer Donner Pass to Mt. Lincoln Comment
  UCD33741  Anthemis tinctoria Beecher Crampton 1972-7-26 8853 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC137709  Anthoxanthum odoratum Saichi Kawahara 1969-7-6 1025 Placer East of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  CAS-BOT-BC137713  Anthoxanthum odoratum 1932-6-7 2680 Placer Elliot Ranch, Sugar Pine Range. 1066 Comment
  SACT000334  Anthoxanthum odoratum Michael Baad 1983-5-5 Placer One mikle south of Placer Hills Road , on Milk Ranch Road, 2 miles west of Colfax, open hillside, north-facing slope. 609.6 Comment
  UCD56275  Anthoxanthum odoratum Beecher Crampton 1955-6-15 2863 Placer 3 miles east of Weimar. Comment
  SEINET10967848  Anthoxanthum odoratum Alan A. Beetle 1941-5-26 Beetle 2719 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Melica californica, Stipa lemmoni. 914 Comment
  SDSU2587  Apocynum androsaemifolium Bill Sonle 1942-5-27 3308 Placer Colfax Comment
  UCR193395  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2007-5-30 12209 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 Comment
  UCD121500  Apocynum androsaemifolium Barbara Rodeheaver 1973-5-26 74 Placer Intersection of Magre and Gold Run Roads in Gold Run. 914 Comment
  CAS-BOT-BC397901  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  UCD43026  Arabis hirsuta var. glabrata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 395 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET5340904  Arabis holboellii var. retrofracta C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer 1/2 mile east of junction of old and new Auburn--Forest Hills Road. 792 Comment
  POM143042  Arabis lemmonii var. depauperata C. F. Sonne 1897-7-18 s.n. Placer Tinker s Knob 2744 Comment
  UC1120807  Arbutus menziesii N. French, R. Clar 1933-5-19 59 Placer near Iowa Hill 822 Comment
  CAS-BOT-BC407753  Arceuthobium abietinum E. R. Blakley 1960-8-29 3793 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  SBBG1363  Arceuthobium abietinum E. R. Blakley 1960-8-29 3793 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  SEINET2116921  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2004-9-8 2004 -28 Placer Alpine Meadows Ski Area. Along Roundhouse Ski Lift 2190 Comment
  CAS-BOT-BC24209  Arctostaphylos John Thomas Howell 1976-7-18 51932 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  UCD162747  Arctostaphylos Dylan O. Burge; J. Bisbee 2014-5-25 1631 Placer Bear River watershed, roadside on California State Route 20. 1430 Comment
  NY9755  Arctostaphylos mewukka C. H. Merriam 1911-11-5 s.n. Placer W slope Sierra Nevada, 3 mi NW of Colfax. Comment
  CAS-BOT-BC40050  Arctostaphylos nevadensis Alice Eastwood 1912-6-15 424 Placer Deer Park, Lake Tahoe region Comment
  UC205109  Arctostaphylos nevadensis Katharine Brandegee 1905-8-8 Placer Alta Gr<ade?> Comment
  UC412748  Arctostaphylos nevadensis W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Cascade Mts. Vicinity of Lake Tahoe 1897 Comment
  UCD21475  Arctostaphylos nevadensis Rex Palmer 1979-5-26 N 3 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  HSC35045  Arctostaphylos patula Thomas W. Nelson, James Nelson 1974-6-17 1361 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  OBI20020  Arctostaphylos patula David J. Keil 1978-7-23 12940 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  RSA122011  Arctostaphylos patula J. E. Sowder, R. W. Lundh 1933-4-20 51 Placer 3 1/2 mi. S.W. Blue Canyon, above railroad, Colfax. 1372 Comment
  UC567005  Arctostaphylos patula R. W. Lundh and J. E. Sowder 1933-4-20 51 Placer 3 1/2 mi sw Blue Canyon (above railroad); Colfax Quadrangle 1371 Comment
  UCD15603  Arctostaphylos patula Lisa Montany 1985-5-18 19 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  UCD53447  Arctostaphylos patula subsp. patula Gary D. Wallace; R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1420 Placer Sierra Nevada; Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
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Jul 23 2017
  UCR60630  Arctostaphylos patula subsp. patula G. D. Wallace, R. F. Thorne, Larry E. DeBuhr, et al. 1975-4-13 1420 Placer Sierra Nevada, Baxter exit off Hwy 80 between Alta and Blue Can. 1207 Comment
  CAS-BOT-BC47064  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer Sierra Nevada, 1 mi. w. of Colfax. 658 Comment
  CAS-BOT-BC47125  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. Comment
  JEPS38757  Arctostaphylos viscida subsp. viscida Margaret A. Kelley 1922-5-30 Placer Georgetown Comment
  RSA252141  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer 1 mi W. of Colfax. 659 Comment
  RSA637014  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24919 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  RSA637020  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24927 Placer Forest Hill Road, 23 km west of Forest Hill, northeast of Auburn. 450 Comment
  RSA637028  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24923 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  UC1121446  Arctostaphylos viscida subsp. viscida N. French 1933-8-24 94 Placer Mosquito Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UC571236  Arctostaphylos viscida subsp. viscida H. L. Mason 1926-5-28 3264 Placer hills near Auburn Comment
  UC876563  Arctostaphylos viscida subsp. viscida Fay A. MacFadden 1934-3-25 12411 Placer Dutch Flat 1066 Comment
  UCR190667  Arctostaphylos viscida subsp. viscida George K. Helmkamp, E. A. Helmkamp 2007-5-23 12078 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
  UC120409  Arenaria congesta var. suffrutescens T. S. Brandegee June 1870 Placer Cisco Comment
  SCFS1049  Arnica E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  CAS-BOT-BC82202  Arnica chamissonis Geo. B. Grant 1906-7-15 6993 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  JEPS126316  Arnica chamissonis Steve Matson 1997-6-1 344 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Main meadow within sight of Highway 28. Comment
  JEPS126320  Arnica chamissonis Steve Matson 1998-7-12 330 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards NNE of vernal pools which are just north of Highway 267. Comment
  CAS-BOT-BC82203  Arnica chamissonis 1906-8-1 7082 Placer Tallac - About Tahoe Comment
  NY158403  Arnica ciliaris C. F. Sonne 1896-8-2 s.n. Placer R. R. Canyon on road to Tahoe Comment
  CDA12432  Arnica cordifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8504 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  OBI17073  Arnica cordifolia Robert F. Hoover 1967-9-5 10832 Placer Carmelian Bay, Lake Tahoe Comment
  SBBG128842  Arnica dealbata G. K. Helmkamp, E. A. Helmkamp 2010-8-14 16778 Placer American Hill Rd, (Forest Route 13), 4.7 mi S of its jct with Foresthill Rd and just S of a crk crossing 1552 Comment
  CAS-BOT-BC82683  Arnica longifolia Betty J. Jorgensen 1944-7-23 530 Placer Near Soda Springs Comment
  CAS-BOT-BC85173  Arnica mollis John H. Thomas; Hazelle A. Thomas 1956-7-21 6213 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CDA13701  Arnica mollis G. F. Hrusa, J. Glazner 1997-8-3 14061 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  JEPS22905  Arnica mollis John H. and Hazelle A. Thomas Jul 21 1956-Jul 22 1956 6213 Placer (vicinity of), 80 mi ne of Sacramento Donner Pass; Sierra Nevada 2133 Comment
  CAS-BOT-BC85145  Arnica nevadensis C. F. Sonne 1897-7-1 s.n. Placer Mt. Anderson 2438 Comment
  JEPS126317  Arnica parryi Steve Matson 1997-6-1 8 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  POM31362  Arnica parryi subsp. sonnei Marcus E. Jones 1902-9-1 s.n. Placer Alta Comment
  SACT000345  Arrhenatherum elatius Michael Baad 1983-6-26 Placer From Michigan Bluff to Poor Man's Canyon on trail to El Dorado Canyon 1066.8 Comment
  UC193575  Artemisia arbuscula C. F. Sonne 1886-8-15 Placer mts. above Coldstream Comment
  CAS-BOT-BC90400  Artemisia douglasiana Peter H. Raven 1956-8-4 9991 Placer Blue Canyon 1432 Comment
  UCD43168  Artemisia douglasiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 537 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET6775388 Image available Artemisia douglasiana P. B. Kennedy, S. B. Doten 1901-8-19 420 Placer 7 miles from French Meadows, Talbot's Home Camp Comment
  UC128211  Artemisia douglasiana Miss Harriet A. Walker 1397 Placer near Yuba River (Cisco) 1524 Comment
  JEPS111300  Artemisia ludoviciana Steve Matson 2005-8-7 1454 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.8 km NW of Silver Peak at northeast corner of flatter area near Bradley Hut; 39.2312 N, 120.2615 W; elev. 7,700 ft. 2346 Comment
  UC1119383  Artemisia spiciformis B. Bolt 1934-8-23 197 Placer divide between Picayune and Grayhorse; Tahoe National Forest, Truckee Quad. 2438 Comment
  CAS-BOT-BC97300  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-9-12 948 Placer along Truckee River, ca. 8 mi. N of Tahoe City Comment
  UC1221758  Asarum lemmonii Beecher Crampton 1958-6-24 4964 Placer ca. 3 miles west of Baxter Comment
  SEINET178467  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant Gap. Comment
  UC1123520  Asclepias cordifolia G. T. Nordstrom 1934-6-20 125 Placer Mammoth Spring Tahoe National Forest, Colfax Quadrangle Comment
  UCD158830  Asclepias cordifolia K. O'Keefe 1995-6-4 s.n. Placer Placer County, East edge of Old Forest Hill Rd., two mi from Forest Hill Rd. Western Sierra foothills, northeast of Auburn. 450 Comment
  CAS-BOT-BC69580  Aspidotis densa Geo. B. Grant 1906-7-20 s.n. Placer Lake Tahoe, Sierra Nevada Mts. 2438 Comment
  CHSC73918  Aster alpigenus var. andersonii Susi Urie 1998-8-26 98 -102 Placer Lake Tahoe Basin Management Unit - National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCR209735  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2009-8-12 15429 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  RSA249497  Aster occidentalis John F. Emmel 1971-8-21 380 Placer 0.2 air miles ENE of north end of lake Mary, Donner Pass, Sierra Nevada 2149 Comment
  UCR143364  Aster occidentalis Wm. Vortriede 1928-1 s.n. Placer Sierra Nevada Mtns., Lake Tahoe [vague location, possibly El Dorado Co.] 1982 Comment
  UCR257731  Aster occidentalis var. occidentalis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19519 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  SCFS1029  Asteraceae E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 Comment
  SEINET12159603  Astragalus austiniae C. F. Sonne 1885-1 68 Placer Tinkus Knob 2896 Comment
  CAS-BOT-BC69538  Athyrium alpestre subsp. americanum Sonne 1886-8-1 324 Placer Unspecified. Comment
  RSA692495  Athyrium americanum Elizabeth Flint 1932-08 17 Placer Summit, Near Donner Lake 2439 Comment
  UCD23226  Athyrium filix-femina Beth Lowe Corbin 1982-8-13 339 Placer 1 mile west of The Cedars. In sandy soil between rocks along the north fork of the American River. 1630 Comment
  CAS-BOT-BC66084  Athyrium filix-femina var. cyclosorum A. A. Heller 1919-7-25 13299 Placer near the Yuba River below Cisco 1676 Comment
  SACT000359  Avena barbata Michael Baad 1983-4-17 Placer 4 miles South of Interstate 80 on Ponderosa Road 411.48 Comment
  SACT000368  Avena barbata D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  UCR259863  Baccharis pilularis George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22460 Placer Sacramento Valley, Highway CA-193 (Lincoln-Newcastle Hwy) at the junction with Gold Hill Road, 3.8 miles northwest of US-80 114 Comment
  CDA10486  Balsamorhiza macrolepis T. C. Fuller 1958-4-15 Placer Highway 99E, 2 miles north of Roseville. 0 Comment
  CDA10487  Balsamorhiza macrolepis T. C. Fuller 1958-7-7 Placer 2 miles north of Roseville. 0 Comment
  CAS-BOT-BC100092  Balsamorhiza sagittata Alice Eastwood 1912-6-15 363 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC100094  Balsamorhiza sagittata John H. Thomas; Hazelle A. Thomas 1956-7-21 6090 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC30517  Balsamorhiza sagittata J. Burtt Davy Jun 25 1897-Jun 30 1897 3272 Placer between Truckee and Tahoe Truckee River Basin Comment
  UC893858  Balsamorhiza sagittata Alice Eastwood Jun 15 1912-Jun 19 1912 363 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC16551  Barbarea orthoceras A. A. Heller 1917-6-17 12697 Placer Along the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC16555  Barbarea orthoceras George B. Grant 1906-7-15 6954 Placer Lake Tahoe. Tahoe Tavern. 1889 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
  UC147603  Barbarea orthoceras Harriet A. Walker 1908-6-25 1307 Placer Cisco, Placer Co. 1810 Comment
  UCD41245  Barbarea orthoceras Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1700 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-BC16550  Barbarea orthoceras Lewis S. Rose 1944-7-25 44261 Placer Lake Tahoe. Chambers Lodge. 1920 Comment
  UCR235379  Berberis aquifolium var. repens George K. Helmkamp, E. A. Helmkamp 2012-5-11 18961 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  UC1192180  Bidens cernua Malcolm A. Nobs 1948-9-25 687 a Placer 9 mi n of Auburn (Rock Creek, Highway 99); Rock Creek Comment
  UCD40287  Bidens frondosa Rodney Gale Myatt 1972-6-1 1687 Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  UCR253810  Bidens frondosa George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20105 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  CAS-BOT-BC102056  Bidens frondosa L. R. Abrams 1917-9-15 6758 Placer 3-5 miles above Auburn Comment
  CAS-BOT-BC413048  Bistorta bistortoides Alice Eastwood 1909-1-1 74 Placer Lake Tahoe Region. Sunnyside Comment
  UCR177019  Blennosperma nanum var. nanum George K. Helmkamp, E. A. Helmkamp 2006-2-9 10057 Placer Northern Central Valley, WNW of Loomis along Sierra College Blvd near Clover Valley Road [Del Mar Avenue and Grange Avenue] 122 Comment
  UCD22355  Boechera Rex Palmer 1979-6-21 N 380 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD114363  Boechera breweri G. L. Stebbins 1952-6-22 5098 Placer Southeast bank of American River, 1/2 mile northeast of bridge on Colfax-Iowa Hill road. 350 Comment
  UCD114321  Boechera divaricarpa Robert E. Preston 1984-6-13 460 Placer ca. 3.2 km W of Sunnyside. 2013 Comment
  UCD42946  Boechera howellii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 315 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC10542  Boechera platysperma Lowell Ahart 1962-7-13 Placer Ahart Camp, French Meadows. 1706 Comment
  CHSC11384  Boechera platysperma Lowell Ahart 1972-6-28 Placer French Meadows. 1524 Comment
  UCD114471  Boechera retrofracta Robert E. Preston 1984-6-13 457 Placer ca. 4 km w of Sunnyside, along Churchevel Rd. 2100 Comment
  UC114850  Boykinia major Brandegee Sept. 1888 Placer Blue Canyon Comment
  UCR171022  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2006-2-9 10064 Placer Northern Central Valley, Clark Tunnel Road and Calif. Highway 193, east of Lincoln 113 Comment
  POM260022  Briza minor M. Hitchcock 1940-5-14 6389 Placer Meiner Ranch, ca. 6 miles north of Colfax. 762 Comment
  SACT000455  Briza minor D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  SD43624  Briza minor D. F. Howe 1948-5-20 1840 Placer 456 Comment
  CAS-BOT-BC145513  Briza minor Peter H. Raven 1954-4-16 6604 Placer 7 miles south of Lincoln on road to Roseville. Comment
  SEINET9364702  Brodiaea elegans Unknown 2010-6-26 16372 Placer Sierra Nevada Mountains Foothills Comment
  UCD22038  Brodiaea elegans subsp. elegans Beth Lowe Corbin 1982-8-9 285 Placer 1/2 mile SW of Onion Creek. 1767 Comment
  SACT000376  Bromus arvensis D. Meyer 1983-6-5 Placer roadside ditch. 829.056 Comment
  UCD58160  Bromus carinatus Frederica Bowcutt 1994-7-22 1951 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp on ridge SE of pond site. 2438 Comment
  UCD58263  Bromus carinatus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCD74179  Bromus carinatus Jennifer W. Burt 2005-7-11 43 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1986 Comment
  UCD75703  Bromus carinatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5152 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  SEINET4345208  Bromus carinatus W. D. Billings 1940-5-18 1302 Placer Gold Run Comment
  UC1130978  Bromus carinatus var. carinatus B. Bolt 1934-8-14 Placer e slope of Red Star Ridge Red Star Ridge 1767 Comment
  UCD22240  Bromus carinatus var. carinatus Rex Palmer 1979-7-12 N 613 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC73252  Bromus ciliatus L. P. Janeway 1998-8-6 5994 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  POM264452  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco 915 Comment
  SACT000527  Bromus diandrus D. Meyer 1983-6-5 Placer 982.98 Comment
  UCD58667  Bromus hordeaceus Beecher Crampton 1955-6-15 2914 Placer Forest Hill. 975 Comment
  UCD58703  Bromus hordeaceus M. Vincent 1965-4-19 652 Placer 4 miles S of Marysville. Comment
  SD112424  Bromus hordeaceus 1948-5-20 1892 Placer 456 Comment
  SACT000561  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure 231.648 Comment
  SACT000564  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-7-3 Placer 1227.3 Comment
  SACT000595  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Garden Bar Rd. collected in woodland area. Shaded slope. Heads nodding. Comment
  SACT000635  Bromus madritensis D. Meyer 1983-6-5 Placer along turn-off, roadside 487.68 Comment
  CAS-BOT-BC174234  Bromus orcuttianus G. K. Helmkamp; Amy Barnes 2009-7-12 15177 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  SBBG26324  Bromus orcuttianus B. Crampton 1964-7-21 Placer Blue Cyn 1430 Comment
  UCR240902  Bromus orcuttianus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19215 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UCD43251  Bromus porteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 620 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC161586  Bromus sterilis Saichi Kawahara 1969-7-6 1421 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  UCD59738  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  CAS-BOT-BC161528  Bromus tectorum Lewis S. Rose 1946-6-23 46198 Placer Rainbow, north of Cisco. 1737 Comment
  UCR68416  Bromus tectorum var. glabratus T. R. Van Devender, R. K. Van Devender 1990-6-4 90- 71 Placer Sierra Nevada Mtns., Tahoe National Forest, Prosser Lake. 3 mi north of Truckee on Hwy 89 1768 Comment
  UCD43047  Calamagrostis bolanderi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 416 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SACT000800  Calamagrostis breweri Michael Baad 1976-8-4 Placer on the shore and northeast-facing slope of Mildred Ridge Comment
  SEINET4565466  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass. 2286 Comment
  CHSC74154  Calamagrostis canadensis Susi Urie 1998-8-13 98 -036 Placer Lake Tahoe Basin-National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  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
  JEPS42836  Callitriche marginata W. L. Jepson 1938-4-5 18578 a Placer Sacramento to Auburn Comment
  SJSU8208  Callitriche palustris W. Savage 1968-8-2 563 Placer 200 yards E of L Van Norden Comment
  CAS-BOT-BC85752  Calocedrus decurrens M. S. Jussel 1930-6-27 s.n. Placer Camp Baxter 1676 Comment
  CAS-BOT-BC85753  Calocedrus decurrens Saichi Kawahara 1969-5-25 1020 Placer Ridge, east of old cabin, Mel Henderson Ranch, Indian Creek. 1036 Comment
  NY18969  Calocedrus decurrens F. A. MacFadden 1934-8-8 12824 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  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
  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
  UCR257022  Calochortus albus George K. Helmkamp, Amy Barnes 2014-4-23 22782 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  RSA263472  Calochortus albus R. C. Foster 1937-5-8 253 Placer In thicket between Penryn and Auburn on a short side road. Comment
  SEINET8194062  Calochortus albus A. Beninghoff 1930-4-19 2045 Placer 10 miles E of Lincoln. Comment
  JEPS111213  Calochortus leichtlinii Steve Matson 2005-7-4 1376 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; 39.2872 N, 120.1382 W: elevation 5,900 ft. 1798 Comment
  UCD22049  Calochortus leichtlinii Rex Palmer 1979-6-19 N 269 Placer Headwaters basin area of the North Fork of the American River 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
  CAS-BOT-BC490536  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi. no. of Lincoln 45 Comment
  CDA39287  Calochortus luteus H. R. Danielson 1962-4-28 s.n. Placer Highway 99E to Lincoln, ca. 5 miles north of Roseville. 0 Comment
  UCR235504  Calochortus minimus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18941 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  CAS-BOT-BC483465  Calochortus minimus John Thomas Howell 1925-6-28 1238 Placer Near Velma Lakes on trail to Eagle Lake, Lake Tahoe region Comment
  CAS-BOT-BC493406  Calochortus monophyllus Alice M. King 1923-5-1 s.n. Placer Placerville Comment
  JEPS55622  Calochortus monophyllus Wayne Roderick 1967-6-10 Placer Highway 40 at Alta turn-off 1066 Comment
  SEINET8197723  Calochortus superbus W. Roderick, R. Halliday 1967-6-10 s.n. Placer N edge of Auburn. 366 Comment
  SD103951  Calochortus uniflorus J. L. S. S. 1970-5-26 Placer Near Auburn, wet. low, alkaline places. (IPB 3/08) Comment
  UC1119104  Calycadenia multiglandulosa N. French 1933-6-22 81 Placer n of Blad Rock Mountain; Smartsville Quad. 548 Comment
  CAS-BOT-BC270648  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer 0.3 mile N of Weimar P.O. 685 Comment
  UC481025  Calycadenia truncata Katharine Brandegee 1908-6-1 Placer Cape Horn Comment
  POM29893  Calycadenia truncata subsp. truncata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  JEPS127654  Calyptridium monospermum Jurriaan M. de Vos 2014-6-27 295 Placer El Dorado NF. Ca. 1.8 miles SW along French Meadows Road toward Hell Hole from French Meadows Reservoir. Comment
  UCR207122  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15219 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
  UCR232231  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16645 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  CAS-BOT-BC32900  Calyptridium nudum Charles Frederick Sonne 1885-7-12 39 Placer Sierra Nevada Mts. 2438 Comment
  UCR120241  Calyptridium umbellatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5023 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC452683  Calyptridium umbellatum Katharine Brandegee 1889-1 Placer Summit of Placer Placer Comment
  UCR146862  Calystegia malacophylla subsp. malacophylla Beecher Crampton 1972-7-26 8846 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  UCD13325  Calystegia occidentalis Kristy S. Howard 1989-6-3 180 Placer Placer Co.; Dry Creek Rd, T12N, R8E, Sect. 16, SW 1/4. Elev. 1220 ft. 371 Comment
  CDA33597  Calystegia occidentalis subsp. fulcrata Dale Woods 2010-8-12 s.n. Placer Finning Mill Road. One mile more or less to Hughes Mill. 0 Comment
  JEPS31609  Calystegia occidentalis subsp. occidentalis W. H. Shockley June 1886 Placer Auburn Comment
  JEPS31616  Calystegia occidentalis subsp. occidentalis Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD13219  Calystegia purpurata Charles Martin 1986-4-27 20 Placer California: Placer County. Folsom Lake, W end of Sierra Dr. in empty lot, near lake. 131 Comment
  UC843718  Camassia quamash subsp. breviflora Alice Eastwood Jun 15 1912-Jun 19 1912 400 Placer Deer Park; Lake Tahoe Region, Deer Park Comment
  POM259053  Camissonia subacaulis J. T. Howell 1938-8-2 13991 Placer 5 miles north of Brockway. Comment
  CAS-BOT-BC37038  Capsella bursa-pastoris W. R. Dudley 1900-6-29 s.n. Placer Shore south of Tahoe City. Comment
  CAS-BOT-BC37256  Cardamine breweri Arnold Tiehm 1974-8-8 522 a Placer Sierra Nevada. Murphy's Meadow. 2407 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
  CAS-BOT-BC37365  Cardamine californica G. L. Stebbins 1978-5-28 7876 Placer Along Ralston Ridge. Brushy Spring. 1463 Comment
  JEPS53308  Cardamine cordifolia var. lyallii C. F. Sonne July 1886 423 Placer along creek in canyon on rd. to Hot Springs (Tahoe); Tahoe Comment
  CAS-BOT-BC37842  Cardamine oligosperma Saichi Kawahara 1969-5-24 884 Placer Slope overlooking north fork of the American River. Colfax-Iowa Hill Road, between Dinner Tree and Windy Point. 585 Comment
  CAS-BOT-BC281744  Carduus pycnocephalus Chester Dudley 1940-6-1 s.n. Placer Near Placerville Comment
  CAS-BOT-BC281742  Carduus pycnocephalus T. C. Fuller 1976-6-3 20140 Placer NW corner of Bell Road and Skyline Drive, Auburn Comment
  SD123688  Carex Robert T. Clausen, Harold Trapido 1940-7-13 4894 Placer Sierra Nevada Mountains; Lake Tahoe Basin; rich woods along Ward Creek; 2 miles west of Lake Tahoe. 1905 Comment
  UCD42793  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 159 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD42895  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 263 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD42975  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 344 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44591  Carex alma C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1957 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC74283  Carex angustata Susi Urie 1998-8-25 98 -099 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD44521  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1887 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC101067  Carex athrostachya G. F. Hrusa; J. Glazner 1997-8-3 14051 Placer Corner of Hwy 89 and Squaw Valley Road. 2000 Comment
  SEINET7484378 Image available Carex capitata P. F. Zika, Steve Matson 2009-1 24621 Placer Snow Creek watershed, North Shore of Tahoe Basin, east beyond North Avenue, town of Kings Beach, norther Sierra Nevada highlands (n SNH) 1920 Comment
  CHSC110727  Carex davyi Dean Wm. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 Comment
  JEPS2511  Carex davyi J. Burtt Davy Jun 25 1897-Jun 30 1897 3266 Placer meadows by river; Truckee River Basin; Truckee River Basin, Placer Co. Comment
  NY11068  Carex davyi J. B. Davy 1897-6-25 3266 Placer Truckee River Comment
  SEINET7556732 Image available Carex densa Alice Eastwood, John Thomas Howell 1937-5-8 4364 Placer Near Rocklin. Comment
  CHSC85711  Carex douglasii G. F. Hrusa; J. Glazner 1999-7-17 15176 Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC825093  Carex feta Lewis S. Rose 1939-6-5 39217 Placer near Emigrant Gap; Bear Valley 1371 Comment
  UC825102  Carex filifolia var. erostrata Marcus E. Jones, A. M. 1882-6-28 2908 Placer Emigrant Gap Comment
  CAS-BOT-BC20167  Carex filifolia var. erostrata W. R. Dudley 1893-6-7 s.n. Placer By railroad west of Truckee. Comment
  CAS-BOT-BC20682  Carex fracta Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CAS-BOT-BC20683  Carex fracta Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CHSC68059  Carex hoodii James D. Jokerst 1986-7-12 2692 A 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
  UCD43114  Carex hoodii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 482 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  POM81205  Carex integra Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  CHSC74449  Carex jonesii Susi Urie; Eric Schroder 1998-9-9 98 -313 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  POM248612  Carex jonesii J. T. Howell 1938-8-2 14000 Placer 5 miles north of Brockway. Comment
  UCD42861  Carex lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 228 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43944  Carex lenticularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1310 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCSB63801  Carex lenticularis Janeway, L. 1998-8-6 Placer T14N, R16E, NW 1/4 of NW 1/4 sec. 35; Homewood quad.; north side of Blackwood Creek; 1.7 mi. west of Lake Tahoe 1938 Comment
  UC710517  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-25 44240 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UCD43080  Carex leporinella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 448 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC31818  Carex luzulifolia A. A. Heller 1903-8-17 7187 Placer Above Donner Pass. 2286 Comment
  SEINET5786653 Image available Carex luzulifolia Marcus E. Jones 1882-1 2907 Placer Emigrant Gap Comment
  CAS-BOT-BC31605  Carex luzulina var. ablata John Thomas Howell 1938-8-2 14003 Placer 5 miles N of Brockway. Comment
  UCR240915  Carex mariposana George K. Helmkamp, E. A. Helmkamp 2012-6-19 19240 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  CAS-BOT-BC31834  Carex microptera Margaret Williams 1974-8-8 74 -P1-29 Placer Murphy's Meadow, 5 mi SE of Hirschdale. 2316 Comment
  UCD44432  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1798 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA16987  Carex multicaulis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16040 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCD69246  Carex multicaulis D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. Mesic white fir forests. 1500 Comment
  UCD43373  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 741 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC74012  Carex nebrascensis Susi Urie 1998-8-18 98 -073 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74297  Carex nebrascensis Susi Urie 1998-8-29 98 -170 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CAS-BOT-BC119847  Carex nebrascensis John Thomas Howell 1938-8-2 14004 Placer 5 mi N of Brockway. Comment
  SDSU11688  Carex obnupta H. K. Svenson 1951-5-2 2173 Placer 457 Comment
  CHSC74305  Carex pachystachya Susi Urie 1998-8-17 98 -051 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74291  Carex pellita Susi Urie 1998-9-2 98 206 A Placer Lake Tahoe Basin Management Unit, National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  CAS-BOT-BC118342  Carex praegracilis Alice Eastwood; John Thomas Howell 1937-5-8 4363 Placer Between Newcastle and Penryn. Comment
  UCD74100  Carex raynoldsii Jennifer W. Burt; Sarah Shannon 2005-7-8 9 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  CHSC68063  Carex rossii James D. Jokerst 1986-7-12 2697 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
  UCD140832  Carex senta Diane de Polo 1964-4-25 30 Placer 7 miles northwest of Auburn. 365 Comment
  CAS-BOT-BC117525  Carex sheldonii Peter H. Raven 1950-6-26 2419 A Placer Baxter's 1219 Comment
  SEINET10751191  Carex simulata John Thomas Howell 1943-7-22 Howell 18696 Placer Summit Valley. Comment
  POM80664  Carex stipata Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  SEINET10748061  Carex stipata Alice Eastwood, John Thomas Howell 1937-5-8 Eastwood 4361 Placer Between Newcastle and Penryn, Comment
  CHSC67710  Carex straminiformis James D. Jokerst 1986-7-13 2727 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak, scree on S-facing slope. Comment
  CAS-BOT-BC116558  Carex subfusca Peter H. Raven; John ORourke 1956-8-4 10000 Placer Moist hillside 1.0 mi from Blue Canyon on road to Emigrant Gap. Comment
  CDA19563  Carex subfusca M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 234 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
  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-BC115399  Carex utriculata Lewis Samuel Rose 1941-7-17 41317 Placer Chambers Lodge, Lake Tahoe 1898 Comment
  CAS-BOT-BC115400  Carex utriculata Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca 3 mi S of French Meadows 1600 Comment
  CHSC73342  Carex utriculata L. P. Janeway; Eric Schroder 1998-9-16 6321 Placer Lake Tahoe Basin Management Unit. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. 2164 Comment
  JEPS63520  Carex utriculata W. L. Jepson 1934-8-7 16881 Placer near Squaw Creek; Truckee River Comment
  UC710519  Carex utriculata Lewis S. Rose 1944-7-25 44244 Placer Chambers Lodge Lake Tahoe 1920 Comment
  CAS-BOT-BC115397  Carex utriculata J. Burtt Davy 1897-6-25 3270 Placer Meadows near Truckee River, Truckee River Basin. Comment
  POM313110  Carex vesicaria Malcolm A. Nobs, S. Galen Smith 1949-8-21 1517 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe Comment
  UCD75769  Carex vesicaria Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5241 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CAS-BOT-BC114926  Carex whitneyi Alice Eastwood 1912-6-15 474 Placer Deer Park, Lake Tahoe Region Comment
  JEPS72455  Cassiope mertensiana subsp. californica Gladys L. Smith 1972-8-25 3438 Placer Below cirque, N face Granite Chief. 2575 Comment
  UC197374  Cassiope mertensiana subsp. californica C. F. Sonne 1897-8-14 Placer E slope Mts. Anderson 2590 Comment
  SEINET12029476  Castanopsis chrysophylla C. F. Sonne 1884-1 s.n. Placer Comment
  CAS-BOT-BC248951  Castilleja Lewis S. Rose 1944-7-10 44050 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  SCFS1220  Castilleja E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top Meadow. Comment
  UCD14628  Castilleja applegatei subsp. disticha Deanna Lynn Pfleger 1989-5-20 23 Placer California, Placer Co.; 30 miles from Auburn along Mosquito Ridge Road; 707 Comment
  UC174622  Castilleja applegatei subsp. pinetorum A. A. Heller 1909-7-16 9840 Placer Summit 2133 Comment
  UCD162606  Castilleja applegatei subsp. pinetorum Steve Matson 1997-7-9 72 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; open trailside. 1908 Comment
  SD43622  Castilleja attenuata Darley F. Howe 1948-5-20 Placer Placer Co. 456 Comment
  UCD122499  Castilleja foliolosa G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10435 Placer Northern Sierra Nevada: ca. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with CA Hwy 49 at the middle fork of the American River. 370 Comment
  UCD15155  Castilleja foliolosa Phyllis Adams 1982-5-1 25 Placer in the American River Canyon along Old Foresthill Road; 396 Comment
  UC1063339  Castilleja miniata B. Bolt 1934-7-19 151 Placer 1.5 mi n Tadpole Spring; Tahoe Natonal Forest, Colfax Quad. 1889 Comment
  UC198547  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198549  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198553  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  RSA45352  Castilleja miniata L. S. Smith 1939-7-19 2862 Placer Lee Lakes. Tahoe. 2134 Comment
  UCD158882  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 s.n. Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44427  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1793 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44516  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1882 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR120236  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5065 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  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
  UCD75752  Castilleja nana Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5219 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
  CHSC40980  Castilleja pruinosa J. D. Jokerst 1984-6-23 2068 Placer Canyon of the Middle Fork Feather River in vicinity of road to the Placer County Power Agency powerhouse. 1158 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
  SEINET7072697  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1963-5-6 s.n. Placer North of Loomis and southeast of Lincoln on Sierra College Blvd. [Humphrey Road]. UTM Zone 10, 654588E, 43033126mN. Coordinate datum: NAD 27. Comment
  UCR194930  Castilleja subinclusa subsp. subinclusa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12013 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CHSC74271  Castilleja tenuis Susi Urie 1998-8-29 98 -165 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CAS-BOT-BC47796  Ceanothus C. H. M. 1911-11-5 s.n. Placer Colfax Comment
  SEINET5339456  Ceanothus W. D. Billings 1951-7-28 2133 Placer Dry slopes near Talbot home Camp, Deadman flat, west side of Sierra Nevada, 20 miles south of Soda Springs. 1676 Comment
  UC1281387  Ceanothus X flexilis G. Townsley, H. E. McMinn 1941-8-23 5367 Placer on road to Dutch Flat 1/8 mi n Mote Vista; n of Mote Vista Comment
  CAS-BOT-BC47854  Ceanothus cordulatus Brandegee 1889-7-1 7 Placer Donner Comment
  CAS-BOT-BC47859  Ceanothus cordulatus Alice Eastwood 1912-6-15 493 Placer Lake Tahoe Region - Deer Park Comment
  SACT002900  Ceanothus cordulatus Michael Baad 1976-7-17 Placer On trail to Five Lakes. 1 mile west of Alpine Meadows Ski Area. Open brushy slopes on granite. 2072.0 Comment
  SD7261  Ceanothus cordulatus T. S. Brandegee 1889-7-1 Placer Donner Lake Comment
  SEINET3464284  Ceanothus cordulatus L. S. Rose 1941-7-14 1912 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) 1900 Comment
  UC496450  Ceanothus cordulatus Merle Randall 1930-6-26 Placer 3/8 mi from top Hawley Grade; Lake Tahoe Region Comment
  UCD130328  Ceanothus cordulatus Albert Grigarick 2011-8-31 307 Placer Alpine Meadows Ski Resort. Approx. 200 yds W of headquarters. 2151 Comment
  UCD22205  Ceanothus cordulatus Rex Palmer 1979-5-26 N 14 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCR242330  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16660 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SACT002902  Ceanothus cuneatus Michael Baad 1983-5-14 Placer 3.0 miles west of Forest Hill on Auburn-Forest Hill Divide Road Comment
  SACT002915  Ceanothus cuneatus Josephine Van Ess 1975-3-25 Placer Collected at crest of hill near south end of Barton Road. Fruiting. Rocky outcrop. Comment
  UCR188843  Ceanothus cuneatus subsp. cuneatus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11714 Placer Foothills, Northern Sierra Nevada Mountains, Forest Hill Road at the junction with the unnamed road to Lake Clementine 457 Comment
  LA43607  Ceanothus integerrimus C. L. Hitchcock; 1940-5-7 6354 Placer ca. 1 mi. W of Baxter Comment
  UC1070727  Ceanothus integerrimus N. French 1933-5-5 39 Placer American River Colfax quad. 609 Comment
  UCD112016  Ceanothus integerrimus Ray Prag 1973-8-15 s.n. Placer South side of Highway 80, at interchange east of Baxter. 1219 Comment
  CAS-BOT-BC50761  Ceanothus integerrimus Eleanor C. Still 1964-5-14 s.n. Placer Near the American River Comment
  SEINET5339316  Ceanothus integerrimus F. Emmerich 1920-1 s.n. Placer Northfork of the Middlefork of the American River. 366 Comment
  CAS-BOT-BC51040  Ceanothus integerrimus var. macrothyrsus G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC51041  Ceanothus integerrimus var. macrothyrsus Mrs. Marian Campbell 1920-6-28 s.n. Placer Summit Comment
  SACT002943  Ceanothus lemmonii Michael Baad 1983-2-26 Placer On trail to Poor Man's Canyon on trail to El Dorado Canyon Comment
  CAS-BOT-BC63355  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63393  Ceanothus prostratus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains: along Forest Hill Rd., 11.1 mi. ne. of Foresthill (Westville 7.5'). 1463 Comment
  CHSC78095  Ceanothus prostratus Caleb E. Casey 1999-5-16 Placer Sugar Pine reservoir, Forest Service road 26, along trail 11E26. Found on roadbank in Pinus ponderosa woodland. 1188 Comment
  CHSC9516  Ceanothus prostratus J. F. Goodwin 1971-7-10 155 Placer Beneath firs by small marshy creek approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  JEPS72615  Ceanothus prostratus Gladys L. Smith 1972-8-25 3445 Placer trail above Squaw Valley complex 2133 Comment
  UC1071282  Ceanothus prostratus R. W. Lundh 1933-4-26 242 Placer 3 mi e Nigger Jack Hill; Tahoe National Forest, Colfax Quad. Comment
  UCD162753  Ceanothus prostratus Dylan O. Burge; J. Bisbee 2014-5-25 1632 Placer Bear River watershed, roadside on California State Route 20. 1340 Comment
  UCD40935  Ceanothus prostratus Sook Hong 1989-5-20 13 Placer location unknown. 1615 Comment
  SEINET3828341  Ceanothus tomentosus George K. Helmcamp, E. A. Helmkamp 2012-1 18946 Placer Northern Sierra Nevada Mountians Foothills: Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road, 7.5'. 1103 Comment
  UC1071439  Ceanothus tomentosus J. E. Sowder, R. W. Lundh 1933-4-16 38 Placer main highway 4 mi n Colfax; Colfax Quad. Comment
  RSA121652  Ceanothus velutinus N. H. French 1934-6-19 428 Placer 1/4 mile W of Devil's Peak. 2104 Comment
  UC18467  Ceanothus velutinus var. velutinus C. F. Sonne Jul 24 1892-Jul 27 1892 6 Placer fl. woods on Truckee River Sierra Nevada Mountains, fl Truckee River, fr nr Truckee (fr hillside near Truckee) Comment
  CAS-BOT-BC272115  Centaurea cyanus Peter H. Raven 1950-6-26 2409 Placer Along US 40 in the altitude range of Baxter's 1219 Comment
  CDA7269  Centaurea maculosa T. C. Fuller 1965-8-1 13942 Placer Sierra Nevada; Sierra Nevada. South side of the westbound lanes of Interstate 80 freeway, 1.4 miles east of Emigrant Gap. Comment
  CDA7272  Centaurea maculosa T. C. Fuller 1964-9-1 12569 Placer Sierra Nevada; Sierra Nevada. N side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  CAS-BOT-BC288621  Centromadia fitchii David D. Keck 1932-7-1 1592 Placer 2 miles N of Auburn, on Nevada City road 425 Comment
  CAS-BOT-BC288617  Centromadia fitchii L. R. Abrams 1917-9-15 6756 Placer 3-5 miles above Auburn Comment
  CAS-BOT-BC288619  Centromadia fitchii J. Clausen 1932-9-16 650 Placer 2.5 miles from Auburn on the Sacramento Rd Comment
  SEINET5336893  Cerastium fontanum A. Tiehm, Margaret Williams; H. Mozingo; E. McPherson 1975-1 612 Placer One mile north of Lincoln. Comment
  JEPS51365  Cerastium glomeratum W. L. Jepson 1938-4-5 18581 Placer 2 mi. e. on Placerville rd. Auburn Comment
  CAS-BOT-BC388353  Cerastium glomeratum Alice Eastwood 1909-1-1 203 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC207588  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  SEINET11826500  Chaenactis douglasii Unknown 1972-1 s.n. Placer French Meadows 1524 Comment
  UC1119684  Chaenactis douglasii var. douglasii N. French 1934-6-22 440 Placer 1/2 mi w of Lake Van Norden; Truckee 2286 Comment
  UC565433  Chaenactis douglasii var. douglasii Chas. M. Belshaw 1935-6-7 1006 Placer near Baxter's Hotel (between Gold Run and Colfax); Sierra Nevada Mts. Comment
  CAS-BOT-BC276716  Chaenactis douglasii var. douglasii Alice Eastwood 1909-1-1 149 Placer Sand Harbor, Lake Tahoe Region Comment
  CAS-BOT-BC283970  Chaenactis glabriuscula var. glabriuscula L. S. Smith 1925-6-6 1631 Placer Colfax - Foresthill Road 518 Comment
  CAS-BOT-BC26223  Chaenactis rubricaulis Harriet Ann Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada, Upper Transition Zone 1970 Comment
  UCR226131  Chamaesaracha nana Ellen Dean, Mark Bibbo, J. Poloske, M. Starbuck, K. F. Mawdsley 2008-7-20 5256 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along road paralleling Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon, near RR tunnel 2064 Comment
  JEPS115011  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2007-11-13 14593 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
  RSA726432  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2007-11-13 14593 Placer About 1/8 mile east of McCourtney Road, about 5.5 miles (air) northeast of Sheridan. 74 Comment
  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
  SCFS1143  Chamerion angustifolium E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Heath Falls Trail. Large path where trail heads down to river, between 1st and 2nd creek crossings. Comment
  CAS-BOT-BC70194  Cheilanthes gracillima Gordon H. True 1968-4-17 4166 Placer Hwy. 80 near Alta 1097 Comment
  RSA685843  Cheilanthes gracillima Fay A. MacFadden 1934-3-30 12534 Placer Placer County: Dutch Flat. Comment
  UCD137431  Cheilanthes gracillima S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  JEPS73010  Chenopodium berlandieri Gladys L. Smith 1972-8-25 3402 Placer about chairlift above Shirley Lake (tr. to Granite Chief) 2499 Comment
  UCD21922  Chimaphila menziesii Beth Lowe Corbin 1982-8-3 192 Placer 1/8 mile NW of Onion Creek campground. In 2 inch conifer needle duff, over fine, sandy, granitic soil. Petals white, calyx with red edge. Mostly shade. Uncommon, widely scattered. SW facing slope. 1853 Comment
  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
  UC474268  Chimaphila umbellata G. W. Fetters 1929-8-2 Placer Lake Tahoe, Pomin's Comment
  SEINET3885526  Chlorogalum angustifolium Lewis S. Rose 1971-6-10 71074 Placer Lincoln.; 0 49 Comment
  UCD19085  Chloropyron molle subsp. hispidum Robert F. Holland; Virginia I. Dains 1982-8-16 1210 Placer about 4 mi. NW of Rocklin, headwaters of Pleasant Grove Creek. in Spring Valley. 45 Comment
  CDA16989  Chondrilla juncea G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16042 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 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
  CDA7386  Chondrilla juncea T. C. Fuller 1967-5-3 15764 Placer Southeast corner of overpass of Interstate 80. Penryn 0 Comment
  CDA7391  Chondrilla juncea T. C. Fuller 1965-10-15 14210 Placer Bluff above Horseshoe Bar, Folsom Lake, east end of Horseshoe Bar Road. Loomis District. 0 Comment
  SEINET13331376 Image available Chondrilla juncea P. C. Martinelli, A. L. Rivers, R. Uriarte 1965-10-29 s.n. Placer Horseshoe Bar Road, Folsom Lake Comment
  CAS-BOT-BC249050  Chrysolepis sempervirens George K. Helmkamp; E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains: Deadwood Road, 1.2 miles south of its junction with Forest Hill Road 1564 Comment
  RSA122992  Chrysolepis sempervirens G. T. Nordstrom 1934-6-19 115 Placer 1/2 mile northeast of Texas Hill. 1555 Comment
  SD243150  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains:Deadwood Riad, 1.2 miles south of its junction with Forest Hill Road (Westville 7.5'Q) 1563 Comment
  UCD21484  Chrysolepis sempervirens Beth Lowe Corbin 1982-8-3 200 Placer Located on hill west of Onion Creek Campground. 1853 Comment
  UC193532  Chrysothamnus viscidiflorus subsp. viscidiflorus C. F. Sonne 1886-9-14 Placer flat beyond Tollhouse; Road to Tahoe Comment
  UCR231867  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17018 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  SEINET3149692  Circaea alpina subsp. pacifica H. A. Walker 1905-7-27 1454 Placer near to Iron Spring, Cisco Comment
  UCR177006  Cirsium George K. Helmkamp, E. A. Helmkamp 2005-10-1 9974 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  CAS-BOT-BC289612  Cirsium andersonii Mary P. Wells 1980-9-12 s.n. Placer West of Pioneer Way Tahoe City 1981 Comment
  SCFS1026  Cirsium andersonii F. Felix 2014-7-5 Placer Between Onion and Cedar Creeks, on terrace above NF channel Comment
  CDA1037  Cirsium andersonii Aurelio Posadas 1982-8-5 s.n. Placer Cold Creek, SW of Donner Lake, on Southern Pacific RR right-of-way. 0 Comment
  CDA35793  Cirsium arvense Linda Carlson 2011-10-17 PDR# 1611215 Placer Northstar Resort; Northstar Drive and Home Run Ski Return. 0 Comment
  UCD43240  Cirsium occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 609 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CDA11989  Cirsium occidentale var. californicum G. F. Hrusa 1995-5-2 12170 Placer Sierra Nevada; 6 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCR193401  Cirsium occidentale var. californicum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12200 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  CAS-BOT-BC439030  Cistanthe monosperma G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC439028  Cistanthe monosperma Miss. H. A. Walker 1908-6-23 1207 Placer Blue Canon [Canyon] Station, in the Sierra Nevada 1470 Comment
  CAS-BOT-BC228886  Cistanthe umbellata A. A. Heller 1917-8-13 12912 Placer Ridge northwest of Donner Pass 2346 Comment
  RSA495975  Clarkia arcuata L. D. Gottlieb 1988-5-1 8805 Placer East of Colfax, on Iowa Hill Road, 2.3 miles east of junction with Canyon Road, or 0.7 mile west of bridge over North Fork American River; site is just beyond sign Auburn State Recreation Area Comment
  UC930772  Clarkia biloba A. A. Heller 1917-6-19 12746 Placer 4 mi e Colfax Comment
  RSA449278  Clarkia biloba subsp. biloba A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  LA205992  Clarkia biloba subsp. brandegeeae T. Mosquin; 1959-7-1 3325 B Placer 7.7 mi. from Foresthill on road to Colfax Comment
  UCD72500  Clarkia biloba subsp. brandegeeae Ellen Dean 2006-5-22 3140 Placer Above north fork of the American River, east of Foresthill Bridge, along Upper Lake Clementine Road nearing the bottom (river end) of the road. 308 Comment
  UCR218238  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16441 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  RSA115451  Clarkia heterandra Beecher Crampton 1955-6-15 2858 Placer Head of Bunch Canyon, just off U.S. Highway 40, 3 miles east of Weimar, Forest Hill Road Comment
  UCD34164  Clarkia purpurea Beecher Crampton 1977-6-11 9501 Placer 3.5 miles N.E. of Auburn, Dry Creek road just east of Elder's Corners. Comment
  CAS-BOT-BC163363  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 Placer Sacramento Valley, 1 mi. No. of Lincoln 45 Comment
  RSA21799  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 Placer Sacramento Valley, 1 mile north of Lincoln 46 Comment
  CAS-BOT-BC163412  Clarkia purpurea subsp. quadrivulnera Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  UCD104945  Clarkia purpurea subsp. quadrivulnera K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, about 10 miles E of Auburn, in the Sierra foothills. 500 Comment
  CAS-BOT-BC164735  Clarkia rhomboidea Marcus E. Jones 1882-6-30 2719 Placer Emigrant Gap Comment
  UCD105054  Clarkia unguiculata G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10710 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
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May 6 2016
  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
  SEINET10492157  Clarkia unguiculata Tim Holtsford 1992-5-25 Holtsford 920525 -3 Placer Folsom-auburn rd, 2.0 mi s of corner of lincoln and commercial avenue in old Downtown auburn. N-facing roadcut. Comment
  POM37811  Clarkia williamsonii Marcus E. Jones 1882-7-3 3341 Placer Colfax. Comment
  CDA12000  Claytonia lanceolata G. F. Hrusa 1995-5-2 12181 Placer Sierra Nevada; Near intersection of Mosquito Ridge Rd. and Jarvis Rd. on spur to Placer Redwood Grove. Comment
  CAS-BOT-BC229130  Claytonia megarhiza Wm. R. Hewlett 1959-8-1 s.n. Placer Lyon Peak 2651 Comment
  CAS-BOT-BC229138  Claytonia parviflora subsp. grandiflora Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4013 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  UCR250646  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Mary Alice Barnes 2013-4-18 20378 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
  CAS-BOT-BC438831  Claytonia parviflora subsp. parviflora George K. Helmkamp; Mary Alice Barnes 2013-5-3 20476 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  UCR250048  Claytonia parviflora subsp. parviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20476 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 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-BC443738  Claytonia rubra subsp. rubra W. R. Dudley 1900-6-29 s.n. Placer Near Tahoe City Comment
  JEPS127459  Claytonia rubra subsp. rubra Steve Matson 2003-4-27 779 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 yards north of Highway 267;west of Martis Creek. Comment
  UCD22157  Claytonia rubra subsp. rubra Rex Palmer 1979-6-19 N 215 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  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
  UC26646  Collinsia sparsiflora var. collina H. N. Bolander 1865-4-10 4507 Placer Auburn Comment
  SEINET5796622 Image available Collinsia tinctoria Marcus E. Jones 1882-1 Placer Colfax; 39.10073 -120.953276 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
  UCD42947  Collinsia torreyi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 316 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET8731914 Image available Collinsia torreyi L. S. Rose 1941-1 41320 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  SEINET13406843  Collinsia torreyi var. torreyi P. A. Lehenbauer, R. E. L. 1922-7-9 784 Placer Lake Tahoe, between Homewood and McKinny's [Resort]. Comment
  UC566099  Collinsia torreyi var. torreyi N. French 1934-6-22 455 Placer near Lake Van Norden 2286 Comment
  UC885527  Collinsia torreyi var. wrightii A. A. Heller 1917-6-17 12722 Placer Cisco 1828 Comment
  UC885529  Collinsia torreyi var. wrightii Alice Eastwood Jun 15 1912-Jun 19 1912 431 Placer Lake Tahoe Region Comment
  UCD21872  Collinsia torreyi var. wrightii Rex Palmer 1979-6-21 N 370 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET13406894  Collinsia torreyi var. wrightii A. A. Heller 1909-7-16 9855 Placer Summit. 2134 Comment
  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
  UC1334175  Collomia heterophylla Thomas Morley 1946-5-31 597 Placer 300 yd ne Masonic Cemetary (shallow gully near small stream); Dutch Flat 1005 Comment
  JEPS71313  Collomia linearis Gladys L. Smith 1972-6-18 3149 Placer open meadow Alpine Meadows 2072 Comment
  JEPS127420  Collomia tinctoria Steve Matson 2003-6-27 813 Placer Tahoe North Shore, Griff Creek Watershed, above Kings Beach, CA; along Forest Service Road. Comment
  UCR233391  Collomia tinctoria George K. Helmkamp, E. A. Helmkamp 2011-8-26 18169 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  UCR194976  Convolvulus arvensis George K. Helmkamp, E. A. Helmkamp 2007-5-18 11995 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  CAS-BOT-BC286036  Conyza canadensis L. R. Abrams 1927-9-13 12151 Placer Eleven miles east of Auburn on Lincoln Highway Comment
  SEINET13679557  Cordylanthus mollis subsp. hispidus R. F. Holland, V. I. Dains 1982-8-16 1210 Placer Spring Valley, headwaters of Pleasant Grove Creek, ca 4 miles NW of Rocklin. 46 Comment
  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
  LA83022  Cordylanthus tenuis subsp. tenuis O. H. Kappler; 1946-7-18 1313 Placer Homewood, Lake Tahoe 1920 Comment
  SEINET3386356 Image available Cordylanthus tenuis subsp. tenuis G. K. Helmcamp, E. A. Helmkamp 2006-8-11 11212 Placer Northern Sierra Nevada Mtn Foothills: along Forest Hill Rd, 8.7 mi NE of Forest Hill 1311 Comment
  UC1032457  Cordylanthus tenuis subsp. tenuis B. Bolt 1934-7-23 163 Placer nw Damascus (end of travelled road from Westville); Tahoe National Forest, Colfax Quadrangle, N. Fk of American 1463 Comment
  JEPS60261  Cordylanthus tenuis subsp. tenuis L. R. Heckard and T. I. Chuang 1969-7-26 2332 Placer just n Lake Alta (near Alta) 1066 Comment
  RSA16972  Cordylanthus tenuis subsp. tenuis R. S. Woglum 1934-08 s.n. Placer Lake Tahoe. [Placer or El Dorado County] Comment
  POM362038  Corethrogyne filaginifolia B. C. Templeton 1931-7-4 1526 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  SEINET6744638  Cornus nuttallii Marcus E. Jones 1882-1 3304 Placer Emigrant Gap Comment
  CAS-BOT-BC210550  Cornus sessilis G. R. Vasey 1880-10-1 s.n. Placer Auburn Comment
  UC21576  Cornus sessilis Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD72956  Corydalis caseana subsp. caseana Albert Grigarick 2008-6-17 15 Placer Vicinity of Cabin Creek Rd., west of Hwy. 89, SE of Donner Lake. Driving directions: Int. 80 east to Hwy. 89 south to Cabin Creek Rd.; rt. turn on paved road and continue to 1st left turn on dirt road; stay left for 0.6 mi.; first turn off to left after crossing Cabin Crk. 1908 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
  CAS-BOT-BC376520  Crepis bakeri subsp. bakeri A. A. Heller 1917-6-19 12742 Placer Emigrant Gap 1615 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
  JEPS75134  Crepis occidentalis Gladys L. Smith 1972-6-20 3221 Placer steep exposed ridge from chairlift terminus to ultimate summit peak; Ward Peak 2632 Comment
  CAS-BOT-BC290753  Crepis occidentalis subsp. occidentalis Elsie Z. Lovegrove 1941-6-6 s.n. Placer Truckee R. dam at Tahoe City Comment
  UCR219648  Croton setiger George K. Helmkamp, E. A. Helmkamp 2010-6-26 16370 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CHSC117461  Crypsis alopecuroides B. Castro; Jessica Boyt 2013-9-11 1999 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
  UCD43032  Cryptantha C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 401 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  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
  POM120485  Cryptogramma acrostichoides Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC224542  Cuscuta californica John Thomas Howell 1929-10-4 4434 Placer Four miles below Colfax on road to Auburn 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
  CHSC79637  Cymopterus terebinthinus var. californicus G. F. Hrusa; J. Glazner 1999-7-18 15191 Placer Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1889 Comment
  SEINET4560771  Cymopterus terebinthinus var. californicus George K. Helmkamp, E. A. Helmkamp 2010-1 16665 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  SACT000847  Cynosurus echinatus Josephine Van Ess 1976-4-26 Placer Collected near top of hill 1 mile south of Rocklin Road in lightly shaded bank. 182.9 Comment
  UCR193299  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12185 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  UCD18376  Cyperus bipartitus DeWayne Gilbert 1976-1 s.n. Placer Exact location unknown. Comment
  CAS-BOT-BC198183  Cytisus scoparius Saichi Kawaha 1969-5-25 1028 Placer Near B.M. 2393, Nigger George Ravine, Colfax-Iowa Hill Road 729 Comment
  CAS-BOT-BC190500  Dactylis glomerata Marcus E. Jones 1882-6-27 3283 Placer Emigrant Gap. Comment
  UCD43181  Dactylis glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 550 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  RSA21281  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  SACT000882  Danthonia californica D. Meyer 1984-7-8 Placer 0.4 km from I80, exposed hillside, east facing slope. 1290.0 Comment
  RSA0115050  Danthonia californica Lyman Benson 1942-7-2 11247 Placer Highway junction 1 mile west of Truckee. Mt. Range: Sierra Nevada. 1828 Comment
  RSA655454  Danthonia californica var. americana Beecher Crampton 1955-7-13 2990 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SACT000890  Danthonia californica var. americana Michael Baad 1983-7-10 Placer Collected in adjacent forest area, 6.9 miles south of Emigrant Gap by roadside. 1432.56 Comment
  SACT000892  Danthonia californica var. americana Josephine Van Ess 1974-8-10 Placer Collected on the path to the Castle Creek, Old Soda Springs Road. North of Highway 80. 2085.0 Comment
  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-BC194417  Danthonia intermedia Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows - Sierra Nevada 1600 Comment
  UCD22244  Danthonia unispicata Beth Lowe Corbin 1982-8-4 222 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 15% inclination. Uncommon, about 25 individuals. Full sun. Opening in montane chaparral, in rocky, fine, sandy soil. Perennial, forming small bunches. 1950 Comment
  UCD102615  Darmera peltata A. S. Crafts 1926-5-1 803 Placer American River Canyon Comment
  SCFS1193  Dasiphora fruticosa E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Meadow with pines past Bailey, on river trail. Comment
  CAS-BOT-BC173276  Delphinium Saichi Kawahara 1969-5-25 1017 Placer Top of ridge east of old house, Mel Henderson Ranch, east of Indian Creek 1036 Comment
  UCD42996  Delphinium glaucum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 365 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44480  Delphinium glaucum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1846 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC8825  Delphinium gracilentum Miss Francis Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SEINET5338028  Delphinium hesperium R. L. Smith 1942-4-3 s.n. Placer 5 mi. E of Roseville. 122 Comment
  CAS-BOT-BC116473  Delphinium nuttallianum A. A. Heller 1909-7-16 s.n. Placer Summit 2133 Comment
  UCD96146  Delphinium nuttallianum G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12060 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 Comment
  CAS-BOT-BC121998  Delphinium variegatum Gordon H. True 1971-4-9 6459 Placer Northern limits of Lincoln 48 Comment
  SEINET5338168  Delphinium variegatum D. H. Erskine 1941-4-27 27 Placer 2 miles east of Roseville. 76 Comment
  POM97713  Dendromecon rigida I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  SEINET5339594  Dendromecon rigida D. H. Erskine 1941-4-25 15 Placer Bear River Canyon. 1067 Comment
  OBI22301  Deschampsia cespitosa Robert F. Hoover 1967-9-7 10859 Placer Antone Meadow Comment
  SACT000908  Deschampsia cespitosa Michael Baad 1983-7-23 Placer More than .25 mile on the road west of US Highway 89. Boggy site. 1828.8 Comment
  JEPS68487  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1918-7-30 7734 Placer Lake Tahoe near Tahoe City; Lake Tahoe 1920 Comment
  UCD62527  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
  CAS-BOT-BC201877  Deschampsia elongata Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC201879  Deschampsia elongata Saichi Kawahara 1969-7-6 1433 Placer Swing near old cabin, east bank of Indian Creek, Mel Henderson Ranch 999 Comment
  SACT000941  Deschampsia elongata D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  SACT000944  Deschampsia elongata D. Meyer 1983-8-7 Placer East bank of river 1879.0 Comment
  SACT000950  Deschampsia elongata D. Meyer 1984-8-4 Placer Moist shady roadside. 1365.5 Comment
  SACT000952  Deschampsia elongata D. Meyer 1983-8-7 Placer Near gate leading into ski area parking lot, moist meadow with many sedges. 207.0 Comment
  UCD63302  Deschampsia elongata Beecher Crampton 1955-6-15 2898 Placer Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  JEPS126368  Descurainia californica Steve Matson 2000-7-6 471 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north Highway 267, near East Martis Creek. Comment
  JEPS71541  Descurainia incana Gladys L. Smith 1972-6-20 3245 Placer 20 ft below Ward Peak summit peak; Ward Peak 2628 Comment
  CAS-BOT-BC43032  Descurainia incisa subsp. incisa Lewis S. Rose 1944-7-12 44084 Placer Lake Tahoe. Chambers Lodge. 1920 Comment
  JEPS59424  Descurainia incisa subsp. incisa Ezra Brainerd and Viola B. Baird 1915-7-5 144 Placer Squaw Valley; Sierra Nevada Mts. 1920 Comment
  UCD42980  Descurainia pinnata subsp. intermedia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 349 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SD239841  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18955 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road. 1041 Comment
  UC1126525  Dicentra formosa N. French 1934-5-31 385 Placer 0.5 mi e Texas Hill; Tahoe National Forest, Colfax Quad. 1584 Comment
  UC147583  Dicentra formosa Harriet A. Walker 1908-6-24 1252 Placer Blue Canyon 1432 Comment
  UCD164615  Dicentra formosa Brandi Sorensen 1995-5-17 9 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD95498  Dicentra formosa Eric Brenner; John Hunter 1996-5-26 020 Placer Tahoe National Forest. Mosquito Ridge Road. 1080 Comment
  UCR115101  Dicentra formosa G. Fred Hrusa 1995-5-20 12165 Placer Sierra Nevada Mtns., Mosquito Ridge Road, c. 5 km beyond crossing of North Fork of Middle Fork of the American River. 700 Comment
  SEINET5340464  Dicentra formosa B. M. Cunningham 1960-4-17 s.n. Placer Monte Viste Inn 1372 Comment
  UC525851  Dicentra formosa Miss E. E. Morse 1934-5-4 Placer Towle Comment
  CAS-BOT-BC402450  Dicentra formosa subsp. formosa Marcus E. Jones 1882-6-28 3302 Placer Emigrant Gap Comment
  CAS-BOT-BC253633  Dichanthelium acuminatum subsp. acuminatum W. R. Dudley 1909-8-16 s.n. Placer Monte Vista Comment
  SEINET239024 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1972-7-26 8863 Placer Gold Run rest stop along Interstate 80. 914 Comment
  CDA32819  Dichelostemma capitatum William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  UCD139423  Dichelostemma capitatum Craig Martz 1983-3-6 44 Placer west of the Souther Terminous of Whitney Blvd., (Site of proposed Roseville bypass). 30 Comment
  UCR207890  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14573 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  RSA333561  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 40 Placer E side of State Route 65, 1.5 miles N of Gladding Road intersection, (1.16 miles N of Markham Ravine). 140 Comment
  SEINET8472303  Dichelostemma capitatum subsp. capitatum A. Streshley 1976-3-12 s.n. Placer South of Auburn, along the North Fork of the American River. 274 Comment
  SEINET8472342  Dichelostemma capitatum subsp. capitatum A. Beninghoff 1930-3-15 2033 Placer Virginia Town. Comment
  UCD15480  Dichelostemma multiflorum Robert Burke 1984-5-26 21 Placer 16 miles E of Forest Hill Rd on F.S. 97. 1280 Comment
  UCR194966  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12022 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 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
  CHSC82522  Diplacus leptaleus Lowell Ahart 2002-7-22 9903 Placer On the south side of a small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  CAS-BOT-BC151679  Diplacus torreyi F. A. Mac Fadden 1934-7-9 12574 Placer P.G.E. Flume, below Emigrant Gap Comment
  CAS-BOT-BC151316  Diplacus tricolor Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. 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
  UCD40552  Dittrichia graveolens A. M. Shapiro 2003-10-13 s.n. Placer Colfax, along railroad tracks near downtown. 670 Comment
  CHSC78088  Dodecatheon alpinum Caleb E. Casey 1999-5-16 Placer Sugar Pine Reservoir, Forest Service road 26, elevation 3900 ft. 1188 Comment
  HSC34456  Dodecatheon alpinum A. M. Montalvo, J. D. Ackerman 1974-7-20 388 Placer Alpine meadows Ski Area W of Deer Park and Hwy. 89 2134 Comment
  SEINET8553080  Dodecatheon alpinum Trevitt 1932-7-5 s.n. Placer Tahoe Vista. Comment
  POM76685  Dodecatheon hansenii Mary E. P. Ames 1891-04 s.n. Placer [Unspecified] Comment
  UC1123272  Dodecatheon hendersonii J. E. Sowder, R. W. Lundh 1933-4-19 48 Placer Colfax Hill Colfax Quad., Colfax Hill Comment
  UCD118840  Dodecatheon hendersonii Eric Brenner; John Hunter 1996-5-26 16 Placer Along road to Big Trees, Mosquito Ridge Rd, Tahoe National Forest. 1750 Comment
  RSA518788  Dodecatheon hendersonii Barbara J. Ertter, David M. Thompson 1989-4-9 8184 Placer Spring Garden Rd 0.8 mi NE of Foreshill-Auburn rd., ca 4 air mi. W of Foresthill; roadside bank in conifer forest. 671 Comment
  SEINET8561789  Dodecatheon hendersonii J. Martin 1959-3-20 s.n. Placer 5 miles W of Colfax on Hwy 40, then 2 miles N on a secondary road, off E side of road. 366 Comment
  SEINET8561821  Dodecatheon hendersonii C. Bell 1962-3-17 46 Placer 2 miles E of Auburn above North Fork American River. 244 Comment
  SEINET8561859  Dodecatheon hendersonii M. J. Williams 1969-4-2 s.n. Placer Near Placerville, above Greenstone Lane. Comment
  SEINET8561952  Dodecatheon hendersonii R. L. Smith 1942-4-3 11 Placer 10 miles E of Roseville. 152 Comment
  POM264726  Downingia bicornuta var. picta Lincoln Constance 1941-5-28 2823 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  UC28962  Downingia montana Mrs. M. M. Hardy 1893-1 Placer Comment
  SFV3647  Downingia ornatissima L. Gould 1962-4-17 54 Placer Sierra Nevada 6 miles west of Roseville on P. F. E. Road. Comment
  CAS-BOT-BC41236  Draba nemorosa M. E. Jones 1882-4-9 s.n. Placer Emigrant Gap. Comment
  CHSC41121  Draperia systyla J. D. Jokerst 1983-10-11 1919 Placer South of Big Grizzly Creek. Comment
  SEINET2441337  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2009-8-12 15426 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5' Q.). 1662 Comment
  UC880656  Draperia systyla Marcus E. Jones, A. M. 1882-6-29 2815 Placer Emigrant Gap Comment
  UC420565  Drymocallis glandulosa var. glandulosa Miss Helen D. Geis 1912-6 31 Placer Deer Park Comment
  UC860747  Drymocallis lactea var. lactea Alice Eastwood Jun 15 1912-Jun 19 1912 456 Placer Tahoe City Lake Tahoe Region, Tahoe City Comment
  SEINET5733104 Image available Dudleya cymosa John J. Geibel 1965-1 34 Placer Middle Fork of American River, ca. 13 miles east of Forest Hill.; Foresthill 488 Comment
  CAS-BOT-BC428206  Dudleya cymosa subsp. cymosa Marcus E. Jones 1882-4-28 3346 Placer Emigrant Gap Comment
  CAS-BOT-BC113798  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  SEINET1908714  Dysphania botrys G. K. Helmkamp, E. A. Helmkamp 2008-1 14098 Placer Foothills, northern Sierra Nevada Mountains; along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  SACT001037  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-7-28 Placer Collected about .25 mile west of Country Acres Lane. 21.3 Comment
  SACT001036  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-8-4 Placer Collected .25 mile north of route. Pear orchard weed. 365.8 Comment
  UC2050341  Echinocystis lobata Miss E. M. Truman 1917-1 Placer Cisco, Placer co Comment
  UCD138102  Egeria densa W. B. McHenry 1961-7-31 s.n. Placer Reservoir west of Auburn. Comment
  CDA33192  Eleocharis acicularis G. D. Barbe 1977-7-2 Placer At water s edge, shallow arm of Martis Creek Lake, Day Use area, south of Truckee-Tahoe airport. 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
  RSA0009475  Eleocharis bella Marcus E. Jones 1882-6-29 2905 Placer Emigrant Gap. Comment
  UC710554  Eleocharis quinqueflora John Thomas Howell 1943-7-19 18575 Placer Summit Valley 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
  CDA31720  Elymus elymoides A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax Comment
  SACT001071  Elymus elymoides James Grove 1977-7-15 Placer Slopes of Granite Chief, Emigrant Gap, and Lyon Peak. 2000.0 Comment
  SACT001074  Elymus elymoides subsp. californicus James Grove 1977-7-15 Placer 2000.0 Comment
  SEINET4134789  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax.; 0 762 Comment
  UC1132961  Elymus elymoides subsp. elymoides B. Bolt 1934-7-17 139 Placer 1/2 mi nw Sun Flower Hill (on Plot No. 215); Tahoe National Forest, Truckee Quadrangle Comment
  CDA31705  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  RSA59402  Elymus glaucus E. K. Balls 1950-9-8 15721 Placer Lakes Center Public Campground 2043 Comment
Read comments
Sep 16 2014
  SACT001115  Elymus glaucus Michael Baad 1976-8-7 Placer 2072.0 Comment
  UC1131688  Elymus glaucus B. Bolt 1934-8-14 174 Placer Red Star Ridge Tahoe National Forest, Truckee Quadrangle (e slope) Comment
  CAS-BOT-BC206792  Elymus glaucus subsp. glaucus Kate E. Phelps 1937-5-25 s.n. Placer Applegate Comment
  CAS-BOT-BC206794  Elymus glaucus subsp. glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  UCD61697  Elymus glaucus subsp. glaucus Beecher Crampton 1955-6-15 2911 Placer 1/2 mile north of Forest Hill. 975 Comment
  SACT001143  Elymus glaucus subsp. jepsonii D. Meyer 1984-8-4 Placer 9.6 km north of Hell Hole overlooking French Meadows. 1879.0 Comment
  SACT001147  Elymus sierrae Michael Baad 1976-8-4 Placer Shores of Mildred Lakes and Northeast-facing slope of Mildred Ridge. Comment
  UCD62604  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2908 Placer Yankee Jims. Comment
  UCD43224  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 593 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD62695  Elymus trachycaulus subsp. trachycaulus H. S. Yates 1936-8-9 5998 Placer Near Brockway. 1920 Comment
  CDA18048  Elytrigia intermedia K. Connelly 1999-8-2 PDR 1223706 Placer Along side of Rd 8, off of Hwy 89, Truckee. 0 Comment
  SBBG71688  Enemion occidentale M. N. Ackley -Jun-1925 905 Placer Towle 1127 Comment
  UCR218123  Epilobium George K. Helmkamp, E. A. Helmkamp 2010-6-26 16392 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CAS-BOT-BC171969  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer Base of a cliff north of Summit Hotel 2164 Comment
  UC570211  Epilobium canum subsp. latifolium B. Bolt 1934-8-13 169 Placer Red Star Ridge Truckee Quadrangle (e slope) 1859 Comment
  UC69563  Epilobium canum subsp. latifolium Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET12861983  Epilobium canum subsp. latifolium P. B. Kennedy 1901-1 278 Placer [Sierra Nevada] Summit of range between Devil's Cliff and Tinker's Knob. Comment
  UCD124133  Epilobium ciliatum Ellen Dean; Marcel Rejmanek 2012-10-9 7507 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD75766  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5237 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  JEPS127413  Epilobium ciliatum subsp. ciliatum Steve Matson 2000-7-9 478 Placer nSNH Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area, norht of Highway 267, east fork of Martis Crek. Comment
  UCD105784  Epilobium ciliatum subsp. ciliatum G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12956 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD43874  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1240 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44519  Epilobium ciliatum subsp. glandulosum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1885 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR177128  Epilobium glaberrimum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9943 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  CHSC74240  Epilobium hallianum Susi Urie 1998-9-4 98 -245 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
  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
  CDA16806  Epilobium obcordatum G. F. Hrusa, J. Glazner 2001-7-15 15945 Placer Sierra Nevada; Mats, 1-2 ft. wide on rocky/gravelly slopes, subalpine zone near summit of Crows Nest Pk. immed. W of Sugarbowl. Flrs magenta, large. Perennial. 2377 Comment
  UCD150581  Epilobium torreyi James A. Neilson Jr. 1970-8-5 1753 Placer Tahoe Basin, North Ward Valley, section 17. 2194 Comment
  UCSC003237  Equisetum hyemale subsp. affine Unknown 1981-8-21 281 Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista 1890 Comment
  UCD169281  Eragrostis Lowell Ahart 2007-11-13 14599 Placer At the north edge of the town of Sheridan. On the west side of Camp Far West Road, east side of a shallow ditch. 35 Comment
  CAS-BOT-BC481928  Eremogone congesta var. congesta Clare B. Hardham 1978-8-11 21767 Placer SE of Thompson Peak Comment
  CAS-BOT-BC174291  Eremogone congesta var. suffrutescens A. A. Heller 1917-6-19 12741 Placer Emigrant Gap 1615 Comment
  JEPS126377  Eremogone kingii var. glabrescens Steve Matson 2004-8-1 1077 Placer Tahoe Basin west shore; Blackwood Canyon; 1/2 mile SE of Barker Pass. Comment
  CDA4631  Ericameria arborescens T. C. Fuller 1962-9-2 9622 Placer Hwy 40 to Auburn, 2.5 miles west of Weimer. 0 Comment
  CAS-BOT-BC294276  Ericameria nauseosa var. speciosa M. E. Cantelow 1935-7-20 1018 Placer Brackway Comment
  CAS-BOT-BC293279  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer Ridge northwest of Donner Pass 2377 Comment
  UCD21886  Erigeron Rex Palmer 1979-6-9 N 164 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC293592  Erigeron barbellulatus John Thomas Howell 1943-7-21 18666 Placer Mt. Lincoln Comment
  JEPS41614  Erigeron barbellulatus C. F. Sonne 1888-7-29 365 Placer Wards Peak Sierra Nevada Mountains, Wards Peak (on Truckee River) Comment
  JEPS41794  Erigeron coulteri C. F. Sonne 1888-7-1 157 Placer Donner Lake Sierra Nevada Mountains, Donner Lake Comment
  SD62080  Erigeron foliosus var. hartwegii Darley F. Howe 1965-5-21 Placer Mouth of canyon on south side of north fork of American River. 305 Comment
  UCD21715  Erigeron glacialis Rex Palmer 1979-6-20 N 353 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC300832  Erigeron glacialis var. glacialis Nora Pettibone; Frank W. Hubby 1892-7-1 s.n. Placer Lake Tahoe 1828 Comment
  JEPS41386  Erigeron glacialis var. glacialis C. F. Sonne 1886-7-18 151 Placer Truckee River Sierra Nevada Mountains, Truckee River Comment
  UC202224  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  CAS-BOT-BC300822  Erigeron glacialis var. glacialis C. F. Sonne 1884-8-24 151 Placer Sierra Nevada Mts. Canyon above Coldstream Comment
  CAS-BOT-BC300824  Erigeron glacialis var. glacialis H. D. Ripley; R. C. Barneby 1948-7-13 9845 Placer Yuba River, 4 mi. E. of Cisco 1844 Comment
  CAS-BOT-BC295203  Erigeron inornatus A. A. Heller 1916-8-13 12895 Placer Summit Station 2133 Comment
  CAS-BOT-BC295207  Erigeron inornatus John Thomas Howell 1943-7-25 18811 Placer West side of Donner Pass near Norden 2133 Comment
  CAS-BOT-BC295209  Erigeron inornatus R. F. Hoover 1967-9-5 10831 Placer Cornelian Bay, Lake Tahoe Comment
  POM40211  Erigeron inornatus var. reductus Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  SEINET8667717 Image available Erigeron miser M. J. Williams 1985-7-6 85- 63 -10 Placer Pacific Crest Trail between old and new Donner Summits. Sierra Nevada. Comment
  UCD21887  Erigeron peregrinus Rex Palmer 1979-6-20 N 353 Placer Headwaters basin area of the North Fork of the American River 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
  UC148994 Image available Erigeron reductus var. reductus H. M. Hall 1910-7-3 8741 NUL Placer near Cisco; Sierra Nevada Mountains, Yuba River; Yuba River near Cisco, Sierra Nevada Mts. 1706 Comment
  CDA19537  Eriodictyon californicum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 251 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UCD119308  Eriodictyon lobbii W. H. Johnson 1958-11-14 s.n. Placer U.S. Highway 40, near Blue Canyon. 1584 Comment
  UCD161588  Eriodictyon lobbii Jack Major 1969-11-28 s.n. Placer West of Chambers Lodge at Lake Tahoe. (Exact location unknown. Coordinates estimated by label maker.) 1920 Comment
  SCFS1162  Eriogonum E. Krimmel, F. Felix 2013-7-26 Placer NFAm. Off Foresthill Road. Rocky overlook. Comment
  UCD21942  Eriogonum Beth Lowe Corbin 1982-8-4 219 Placer 1/4 mile NW of Onion Creek campground. In rocky, fine, sandy soil. Opening in montane chaparral. Perennial forming a thick mat. Flowers creme colored. Full sun. SW facing slope, 15% incline. Uncommon. 1950 Comment
  SCFS1159  Eriogonum E. Krimmel, F. Felix 2013-7-26 Placer NFAm. Swimming Hole Trail. Rocky overlook. Comment
  CDA12393  Eriogonum incanum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8521 A Placer Lake Tahoe; Head of Ward Valley. Comment
  SCFS1110  Eriogonum incanum E. Krimmel 2013-6-2 Placer Top of Foresthill road, near Am. River gorge overlook Comment
  CAS-BOT-BC259350  Eriogonum lobbii John Thomas Howell 1943-7-26 18844 Placer Mt. Lincoln Comment
  UC849509  Eriogonum lobbii var. lobbii A. A. Heller 1917-8-14 12923 Placer s Summit Valley; Mt. Lincoln 2499 Comment
  CAS-BOT-BC263701  Eriogonum luteolum var. pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax Comment
  UC1032133  Eriogonum marifolium N. French 1934-5-24 261 Placer N Fork, N Fork American River Tahoe National Forest, Colfax Quadrangle, N Fork, N Fork Ame Comment
  UC1032142  Eriogonum marifolium N. French 1934-6-4 294 Placer Lake Valley Reservoir Tahoe National Forest, Colfax Quadrangle, Lake Valley Reserv Comment
  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
  SD234988  Eriogonum nudum var. oblongifolium G. K. Helmkamp, E. A. Helmkamp 2007-9-14 12960 Placer Foothills, Northern Sierra Nevada Mountains: along Mosquito Ridge Road 6 miles east of Foresthill (Foresthill 7.5' Q) 609 Comment
  SD237562  Eriogonum nudum var. oblongifolium G. K. Helmkamp, Amy Barnes 2009-7-12 15182 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  SDSU6787  Eriogonum nudum var. pubiflorum D. F. Howe 1960-9-18 2971 Placer 2 miles northof Auburn. 518 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
  CAS-BOT-BC258136  Eriogonum prattenianum var. prattenianum D. L. Smith; G. L. Stebbins 1976-7-3 C 7678 Placer Northwest side of Ralston Ridge, above Middle Fork American River, just east of Big Crater 1249 Comment
  JEPS126334  Eriogonum spergulinum var. reddingianum Steve Matson 2000-6-24 451 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  UC565910  Eriogonum spergulinum var. reddingianum B. Bolt 1934-7-11 100 Placer Cascade Lake Truckee Quadrangle, Cascade Lake 2042 Comment
  UC849786  Eriogonum spergulinum var. reddingianum none 12894 Placer Summit Station 2121 Comment
  UCR136715  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Sierra Nevada Mtns., Chambers Lodge (McKinney), Lake Tahoe 1921 Comment
  CAS-BOT-BC269938  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer Along Californis [California] Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground Comment
  UC1395167  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer about 2 mi s Truckee (along California Highway 89, at Granite Flat Camground); Granite Flat Camground Comment
  CAS-BOT-BC267490  Eriogonum umbellatum Frances Price 1919-1-1 s.n. Placer Tahoe Comment
  CAS-BOT-BC268013  Eriogonum umbellatum var. furcosum Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CHSC108617  Eriogonum umbellatum var. furcosum L. P. Janeway; B. Castro 2011-8-27 10677 Placer Northern High Sierra Nevada. West side of Spaulding Road 35 m north of Hwy 20. 1597 Comment
  CDA15647  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 1999-7-18 15236 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS72780  Eriogonum umbellatum var. nevadense Gladys L. Smith 1972-6-20 3200 Placer about terminus of summit chairlift, Ward Peak Ward Peak 2621 Comment
  SEINET9292443  Eriogonum umbellatum var. nevadense Unknown 2000-7-1 15632 Placer Summit Village, Truckee Comment
  UCD21936  Eriogonum umbellatum var. nevadense Rex Palmer 1979-5-27 N 79 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22123  Eriogonum umbellatum var. nevadense Rex Palmer 1979-6-19 N 223 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA22677  Eriogonum umbellatum var. torreyanum C. Pyle 1978-8-9 Placer East side of Silver Peak about 1.5 miles northwest of Squaw Valley. 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
  UC1735864  Eriogonum ursinum var. ursinum Dean W. Taylor 1971-7-22 1109 Placer trail from Soda Springs to the Snow Mountain area, ca. 3 miles N of Snow Mtn, 2133 Comment
  CDA16809  Eriogonum wrightii var. subscaposum G. F. Hrusa, J. Glazner 2001-7-15 15948 Placer Sierra Nevada; Near summit of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  SD212687  Eriogonum wrightii var. subscaposum G. K. Helmkamp, Elizabeth Helmkamp 2005-9-30 9935 Placer Northern High Sierra Mountains: Hampshire Rocks Road South of the I-80 Rainbow exit, circa 2 miles East of Cisco Grove. 1805 Comment
  SEINET5332157  Eriogonum wrightii var. subscaposum P. B. Kennedy, Samuel Bradford Doten 1901-8-18 421 Placer French Meadows. Comment
  SEINET11938419  Eriogonum wrightii var. trachygonum L. S. Rose 1938-1 38259 Placer South Fork of Yuba River, Cisco 1615 Comment
  UCR206728  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2009-7-16 15198 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  RSA782550  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Amy Barnes 2009-7-12 15185 Placer Along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UC201298  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 mi e of Colfax Comment
  UCD132209  Eriophyllum lanatum var. grandiflorum A. S. Crafts 1926-5-1 785 Placer American River Canyon. Comment
  UCD82718  Eriophyllum lanatum var. grandiflorum Robin McMaster 1973-6-3 442 Placer Lake Spaulding. 1524 Comment
  CAS-BOT-BC308248  Eriophyllum lanatum var. integrifolium Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  UCR231891  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2011-4-10 17144 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  POM83006  Eryngium castrense Marcus E. Jones 1882-7-8 3602 Placer Auburn Comment
  JEPS16982  Eryngium castrense W. L. Jepson 1924-7-25 10650 Placer Lincoln Comment
  SEINET5784017 Image available Erysimum capitatum Marcus E. Jones 1882-1 2620 Placer Emigrant Gap Comment
  UCD22373  Erysimum capitatum Rex Palmer 1979-6-20 N 277 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET5342763  Erysimum capitatum L. Miller 1934-6-10 s.n. Placer Lake Tahoe, near Homewood. Comment
  SEINET3245753  Erysimum capitatum var. capitatum G. K. Helmkamp, E. A. Helmkamp 2009-1 15214 Placer Sierra Nevada Mountains: Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat (Duncan Peak 7.5') 2019 Comment
  CAS-BOT-BC55094  Erysimum perenne Marcus E. Jones 1882-6-28 2620 Placer Emigrant Gap. 1615 Comment
  CAS-BOT-BC55099  Erysimum perenne N. French 1934-6-22 445 Placer 7/8 mile west of Dulzura Lake. 2286 Comment
  UC1126628  Erysimum perenne N. French 1934-6-22 445 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle Comment
  UCD75963  Erysimum perenne Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5230 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Along undeveloped road downslope of off-road vehicle parking area/turnabout. 2194 Comment
  CAS-BOT-BC150223  Erythranthe moniliformis Saichi Kawahara 1969-5-24 1001 Placer Mel Henderson Ranch, on the east bank of Indian Creek 987 Comment
  OBI49255  Erythranthe moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  SJSU7731  Erythranthe primuloides D. Funnell 1965-6-27 Placer 4.5 mi S of Truckee on Hwy 89 1773 Comment
  SEINET8245400  Erythranthe tilingii Unknown \\N-\\N-\\N 2134 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89. 2073 Comment
  SEINET5725086 Image available Erythronium grandiflorum K. Pinney 1975-1 162 Placer 1 mile south of Placer County Big Trees Monument on French Meadows Road.; Big Trees Monument Comment
  UC3614  Erythronium multiscapideum H. N. Bolander 1865-4-11 4527 Placer shady hillsides Auburn Comment
  UC843846  Erythronium multiscapideum C. L. Hitchcock 1940-5-7 6310 Placer ca 1 mi w Baxter Comment
  CHSC10606  Erythronium purpurascens Lowell Ahart 1963-7-2 Placer Near Robinson Flat. 1828 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
  UCR250273  Eschscholzia californica George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20334 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 Comment
  CAS-BOT-BC419541  Eschscholzia lobbii Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 3988 Placer Grass Valley Road 1.4 miles from Auburn 365 Comment
  SD113752  Eschscholzia lobbii Darley F. Howe 1948-5-21 1917 Placer Comment
  UC186882  Eschscholzia lobbii C. F. Sonne 1891-4-5 Placer Newcastle-Penryn Comment
  UC1475021  Eucephalus breweri B. Bolt 1934-7-17 126 Placer 1/2 mi s of Lost Emigrant Mine; Truckee Quad. 2072 Comment
  UCD43193  Eucephalus breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 562 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR246827  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-7-28 16656 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  RSA433511B  Euphorbia spathulata Anonymous 1900-5-27 s.n. Placer Duncan Comment
  CAS-BOT-BC312158  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer Near Summit hotel in granite 2133 Comment
  CHSC74196  Eurybia integrifolia Susi Urie 1998-9-4 98 -268 Placer On north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  JEPS126424  Eurybia integrifolia Steve Matson 2002-7-14 571 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards west of Northstar homes (Bosque Drive), along TMT trail heading west to Lookout Mountain Creek. Comment
  UC1179070  Eurybia integrifolia Herbert L. Mason 1939-8-3 12205 Placer near Lake Tahoe; Squaw Creek Valley 1889 Comment
  SEINET3271564 Image available Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2009-3-11 14387 Placer Sacramento Valley; Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  SACT001169  Festuca occidentalis Michael Baad 1983-7-10 Placer Collected along road to Hellistor Point, open sugar pine forest. 1606.0 Comment
  UCD66120  Festuca occidentalis Beecher Crampton 1955-7-13 2994 Placer US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  SACT001175  Festuca pratensis D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001180  Festuca pratensis D. Meyer 1984-6-10 Placer 606.0 Comment
  SACT001182  Festuca pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City Shopping Center near lake shore. 1891.0 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
  SACT001192  Festuca rubra D. Meyer 1983-9-10 Placer West end near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT001203  Festuca viridula Michael Baad 1983-8-21 Placer 2.4 miles southwest of Soda Springs exit off of Interstate80. 2019.0 Comment
  SACT001206  Festuca viridula Michael Baad 1976-8-7 Placer 2072.0 Comment
  SEINET10831688  Festuca viridula A. Arthur Heller 1917-8-14 Heller 12926 Placer Mt. Lincoln south of Summit valley. On a steep gravelly slope, with a few scattered trees of Hesperopeuce mertensiana near the crest. 2499 Comment
  SEINET8687012  Ficus carica L. Smith 1980-9-20 s.n. Placer Canyon along north fork of Middle Fork of American River 366 Comment
  JEPS127416  Floerkea proserpinacoides Steve Matson 2004-7-13 1048 Placer Tahoe Basin west shore; Ward Canyon. Comment
  SD10077  Frangula californica subsp. tomentella Brandegee Sept 1888 Placer Dutch Flat Comment
  SEINET11248091  Frangula purshiana W. D. Billings 1940-5-18 1306 Placer North of Placer mines. Gold run. Comment
  SEINET11249894  Frangula rubra A. A. Heller, P. B. Kennedy 1907-7-15 8837 Placer Near mouth of Little Grizzly Creek below Genessee Comment
  JEPS127537  Frangula rubra subsp. rubra Steve Matson 2003-6-22 809 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; back of residence 7660 North Ave. Comment
  CAS-BOT-BC504552  Fritillaria atropurpurea Alice Eastwood 1909-1-1 s.n. Placer Sunnyside, Lake Tahoe region Comment
  CAS-BOT-BC504554  Fritillaria atropurpurea G. B. Grant 1906-7-25 s.n. Placer Vicinity of Lake Tahoe Comment
  SEINET8478955  Fritillaria phaeanthera A. Badiei 1962-3-17 s.n. Placer 3 miles E of Auburn, North Fork American River. 610 Comment
  SD66006  Fritillaria recurva C. L. Hitchcock 1940-5-7 6308 Placer About 1 mile west of Baxter. Comment
  CHSC3140  Fuchsia hybrida Gary Dutton 1966-4-29 169 Placer Found 228 Donner Ave. Roseville. Comment
  UCD22290  Galium aparine Rex Palmer 1979-7-12 N 630 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22289  Galium bifolium Rex Palmer 1979-6-20 N 343 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM67595  Galium bolanderi Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  POM67602  Galium bolanderi Marcus E. Jones 1882-6-27 3290 Placer Emigrant Gap. Comment
  SD235015  Galium bolanderi G. K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1310 Comment
  SEINET4691674  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-1 16799 Placer Northern Sierra Nevada Mountains: American Hill Road, 1.2 miles south of its junction with Foresthill Road. 1567 Comment
  UC147652  Galium bolanderi Harriet A. Walker 1908-6-24 1280 Placer Blue Canyon 1432 Comment
  JEPS111259  Galium grayanum var. grayanum Steve Matson 2005-7-16 1401 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  SEINET2441558  Galium porrigens George K. Helmkamp 2009-8-12 15427 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5' Q.). 1662 Comment
  CHSC74261  Galium trifidum var. pacificum Susi Urie 1998-9-4 98 -270 Placer About 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  SEINET4178829 Image available Galium triflorum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16782 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of it's junction with Foresthill Road and just south of a creek crossing. 1551 Comment
  UCD121952  Galium triflorum Richard J. Patterson 1969-7-1 182 -12 Placer South of Interstate Highway 80 on Casa Loma Road, near Alta. 975 Comment
  UCD66577  Gastridium phleoides Elizabeth Wilson 1940-5-1 Placer Auburn. Comment
  CAS-BOT-BC56268  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods; Tahoe National Forest, ca. 20 miles NE of Foresthill; Greek Store. 7 1/2 min. Comment
  SJSU4074  Gaultheria ovatifolia C. W. Sharsmith 1965-6-12 7396 Placer Big Tree Grove (6 Sequoiadendron), 10 mi E of Michigan Bluff 1584 Comment
  UCD22097  Gayophytum Rex Palmer 1979-6-20 N 332 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22099  Gayophytum diffusum Rex Palmer 1979-7-25 N 681 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR170805  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9949 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR189299  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12626 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  OBI48972  Gayophytum heterozygum Unknown 1882-7-3 s.n. Placer Alta Comment
  CAS-BOT-BC488336  Gayophytum humile James A. Neilson, Jr. 1970-8-28 1865 Placer Tahoe Basin, Paige Meadow 2072 Comment
  CDA15962  Gayophytum humile G. F. Hrusa, J. Glazner 1999-7-17 15128 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC20267  Gayophytum humile C. F. Sonne 1886-7-11 Placer road to Lake Tahoe Sierra Nevada Mountains Comment
  UCD150711  Gayophytum ramosissimum James A. Neilson Jr. 1970-1 1936 Placer Tahoe Basin, Lower Ward Creek. 2011 Comment
  UCD168201  Gentiana calycosa Albert Grigarick 2014-8-2 373 Placer Alpine Meadows Ski Resort 1/2 mile up trail to Estelle Lake. 2282 Comment
  JEPS72491  Gentiana calycosa Gladys L. Smith 1972-6-18 3153 Placer above Alpine Meadows 2133 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
  RSA0028447  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-12 17258 Placer south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  CDA37050  Geranium molle CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCR231823  Geranium molle George K. Helmkamp, E. A. Helmkamp 2011-4-10 17135 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  SDSU7348  Geranium solanderi D. F. Howe 1948-5-21 1911 Placer 457 Comment
  JEPS71884  Geum triflorum Gladys L. Smith 1972-8-25 3411 Placer below Watson Monument (trail to Granite Chief) 2590 Comment
  CHSC83145  Gilia capitata Renee Shahrok 1986-6-24 16 Placer Junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  UCD19282  Gilia capitata Renee Shahrok 1986-6-24 16 Placer junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  SEINET3163618  Gilia leptalea G. B. Grant 1906-7-15 7151 Placer about Lake Tahoe 2438 Comment
  SEINET3163620  Gilia leptalea L. S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  UCR207117  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-7-16 15224 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  UC30184  Gilia tricolor subsp. diffusa H. N. Bolander 1865-4-13 4574 Placer near Auburn; near Auburn Comment
  UCR207898  Gilia tricolor subsp. diffusa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14582 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  CHSC91619  Githopsis specularioides M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 255 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. On slopes above road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  CHSC97767  Glinus lotoides Lowell Ahart 2007-11-13 14594 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  CAS-BOT-BC283846  Glyceria borealis W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  CHSC74166  Glyceria elata Susi Urie 1998-8-13 98 -034 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
  SACT001254  Glyceria elata D. Meyer 1984-7-21 Placer 7.5 km from Placer County line, moist shaded streambed. 9 miles from road. 1758.0 Comment
  UCD22251  Glyceria elata Beth Lowe Corbin 1982-8-19 390 Placer 1 mile SSW of The Cedars. NW facing slope, 20% incline. Common. Mostly sun. Meadow in logged white fir forest. Perennial, culms 1 m tall. 1813 Comment
  JEPS109981  Glyceria grandis Dean W. Taylor 2004-7-7 19175 Placer Truckee River, ca. 200 m below confluence with Bear Creek (Alpine Meadows Road), E side of river downslope from bike path 1886 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-BC307373  Gnaphalium palustre John Thomas Howell 1943-7-19 18583 Placer Summit Valley Comment
  CHSC82576  Gnaphalium palustre Lowell Ahart 2002-7-22 9877 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
  JEPS102474  Gnaphalium palustre Lowell Ahart 2001-10-10 9340 Placer French Meadows Reservoir, near the boat of trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  JEPS111138  Gnaphalium palustre Steve Matson 2005-6-11 1257 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3016 N, 120.1324 W; Elevation 5835 ft. 1778 Comment
  UC614816  Gnaphalium palustre Beryl O. Schreiber 1932-9-11 765 Placer road to Summit Comment
  CAS-BOT-BC110216  Grayia spinosa L. S. Smith 1926-4-21 1785 Placer Tahoe Forest. Spanish Springs Rnage Nev. 1524 Comment
  UCD159462  Grindelia camporum D. S. Park 2010-8-11 216 Placer Hiking trail off Old Forest Hill Rd. overlooking American River. Common. Growing along mountainside. 176 Comment
  UCR176264  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2006-8-11 11209 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 1.0 mile north of Forest Hill 1037 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
  CAS-BOT-BC257790  Hackelia micrantha George K. Helmkamp; E. A. Helmkamp 2010-7-28 16654 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UC112818  Hackelia micrantha Katharine Brandegee July 1908 Placer Lake Van Orden Comment
  POM308717  Hackelia nervosa Betty J. Jorgensen 1944-6-24 493 Placer Kid Lake about 5 miles SW of Soda Springs. Comment
  UC147633  Hackelia velutina Harriet A. Walker 1908-6-23 1210 Placer Blue Canyon 1432 Comment
  UC897267  Helianthella californica subsp. nevadensis C. L. Hitchcock 1940-5-14 6392 Placer ca. 6 mi n Colfan; Meier Ranch 762 Comment
  CAS-BOT-BC314785  Helianthella californica var. nevadensis L. S. Smith 1925-7-10 1665 Placer French Meadows, Tahoe Forest 1828 Comment
  POM75559  Hesperochiron californicus Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  POM65409  Hesperochiron californicus Carlotta C. Hall 1910-7-8 8747 Placer South fork of Yuba Canyon, about 17 km east of Cisco. 1920 Comment
  UCD85291  Hesperostipa comata Frederica Bowcutt 1994-7-22 1954 Placer Sierra Nevada Mtns., Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. Proposed restaurant site. 2438 Comment
  JEPS126376  Heterocodon rariflorum Steve Matson 2003-7-6 834 Placer nSNH: Truckee River watershed SW of Truckee; Squaw Valley; Shirley Canyon; along Granite Chief trail to PCT. Comment
  CHSC107390  Heteromeles arbutifolia Blake McSorley 2010-3-19 Placer Hidden Falls near Auburn. 259 Comment
  UCR257641  Heterotheca grandiflora George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20019 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  UCD21703  Heterotheca villosa Beth Lowe Corbin 1982-8-13 346 Placer 3/4 mile west of The Cedars, in meadow. Ray and disc flowers yellow. Mostly sun. South facing slope, 15% incline. Occasional. 1676 Comment
  UC87435  Heterotheca villosa var. minor T. S. Brandegee Jul 1889 Placer Donner Comment
  UC1127197  Heuchera G. T. Nordstrom 1934-6-18 106 Placer n slope of Texas Hill; Tahoe National Forest 1584 Comment
  SBBG70485  Heuchera micrantha M. N. Ackley -Jun-1925 1000 Placer Shirttail Cyn, American River 762 Comment
  SEINET6032034  Heuchera rubescens P. B. Kennedy 1901-8-10 s.n. Placer Devils Cliff, Soda Springs. Comment
  CAS-BOT-BC319603  Hieracium albiflorum Alice Eastwood 1909-1-1 193 Placer Sunnyside Comment
  UC481030  Hieracium albiflorum R. L. Pendleton and F. M. Reed 1907-7-28 1304 Placer Tahoe Tavern Lake Tahoe Region 1898 Comment
  CAS-BOT-BC541434  Hieracium argutum G. Ledyard Stebbins 1970-7-12 7054 Placer In canyon of North Fork of American River at Rawhide Mine, 4.5 mi E of Alta [exact location unknown] 762 Comment
  RSA121227  Holcus lanatus N. H. French 1933-5-5 42 Placer S. of Newcastle. 183 Comment
  SACT001283  Holcus lanatus Michael Baad 1977-6-21 Placer Road of Weimar 685.0 Comment
  SACT001287  Holcus lanatus Josephine Van Ess 1972-6-11 Placer Barton Road and Seven Cedars Road. Collected along Seven Cedars Road. Low moist area. Comment
  CAS-BOT-BC320308  Holocarpha virgata A. A. Heller 1915-9-12 12276 Placer Near Roseville Comment
  CDA16807  Holodiscus microphyllus G. F. Hrusa, J. Glazner 2001-7-15 15946 Placer Sierra Nevada; Near summit of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  SACT001305  Hordeum brachyantherum D. Meyer 1984-7-15 Placer 1909.0 Comment
  SACT001310  Hordeum brachyantherum Michael Baad 1976-8-4 Placer Banks of creek amoung rocks and in gravel beside creek, white fir forest with openings. 1975.0 Comment
  UCD43312  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 680 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43920  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1286 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD85460  Hordeum brachyantherum L. S. Smith 1931-7-24 s.n. Placer Marlette Lake east of Lake Tahoe. 2438 Comment
  UCR218116  Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16400 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CAS-BOT-BC280881  Hordeum brachyantherum subsp. brachyantherum H. R. Bennett 1954-8-8 s.n. Placer Along Highway 40 and South Fork Yuba River, 3 miles west of Kingvale, 10 miles west of Donner Summit, Sierra Nevada Mts. 1798 Comment
  SACT001323  Hordeum californicum D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City Shooping center near lake shore. 1891.0 Comment
  SACT001338  Hordeum geniculatum D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  CAS-BOT-BC285073  Hordeum marinum subsp. gussoneanum John Thomas Howell; Gordon H. True 1971-5-26 47618 Placer Northern limits of Lincoln 48 Comment
  CDA37223  Hordeum marinum subsp. gussoneanum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  RSA0043371  Horkelia fusca John F. Emmel 1997-7-25 1513 Placer Sierra Nevada, Donner Pass region; south side of Donnner Pass, 0.2 air mile ENE of north end of Lake Mary. 2145 Comment
  CDA15959  Horkelia fusca subsp. parviflora G. F. Hrusa, J. Glazner 1999-7-17 15146 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA122262  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 124 Placer 1/2 mile S of Lost Emigrant Mine. 2073 Comment
  RSA169484  Horkelia fusca subsp. parviflora L. S. Rose 1963-7-11 63211 Placer Tahoma, Lake Tahoe. 1916 Comment
  RSA35116  Horkelia fusca subsp. parviflora L. S. Rose 1944-7-13 44102 Placer Chambers Lake, Lake Tahoe. 1921 Comment
  UC860223  Horkelia fusca subsp. parviflora A. A. Heller 1917-8-15 12939 Placer lower end Summit Valley (Soda Springs Station) 2042 Comment
  SEINET6758836  Horkelia fusca subsp. parviflora M. J. Williams 1985-7-6 85- 61 -8 Placer Near old Donner Summit, south of Lake Mary 2286 Comment
  UC72985  Horkelia fusca subsp. parviflora Chesnut and Drew 1890-8-7 Placer Cascade Lake Tahoe Comment
  CAS-BOT-BC537859  Horkelia fusca var. parviflora James R. Shevock 1985-8-9 11339 Placer W'tern slope of N'thern Sierra Nevada: Tahoe Nat'l Forest, Granite Chief Wilderness, along trail 16E10 in Picayune Valley 2050 Comment
  CAS-BOT-BC537868  Horkelia fusca var. parviflora F. Almeda 1993-7-25 7288 Placer Montane meadow, Soda Springs about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  OBI20154  Horkelia fusca var. pseudocapitata David J. Keil 1978-7-23 12944 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  CAS-BOT-BC514266  Horkelia fusca var. pseudocapitata Margaret J. Williams 1985-7-6 85- 61 -8 Placer Sierra Nevada: near old Donner Summit, S of Lake Mary 2286 Comment
  POM34930  Horkelia tridentata Marcus E. Jones 1882-5-27 3291 Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  SD62127  Horkelia tridentata Darley F. Howe 1965-5-20 Placer Canyon on south side of north fork of American River near Yankee Jims 914 Comment
  UCR215985  Horkelia tridentata subsp. tridentata George K. Helmkamp, Amy Barnes 2009-7-12 15178 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  CAS-BOT-BC537983  Horkelia tridentata var. tridentata Belle R. Jackson 1932-6-1 s. n. Placer Gold Run, above Colfax Comment
  CAS-BOT-BC537987  Horkelia tridentata var. tridentata Saichi Kawahara 1969-5-24 847 Placer Near garden, Henderson Ranch, Indian Creek 1005 Comment
  CHSC9517  Hosackia crassifolia J. F. Goodwin 1971-7-10 158 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  SEINET5327468  Hosackia oblongifolia var. oblongifolia P. B. Kennedy, Samuel Bradford Doten 1901-8-15 406 Placer Bearman's camp, 6 mi from French Meadows Comment
  SCFS11529139  Hosackia pinnata E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2.5 mi downstream from Cedars. Growing on sandy riverbank. Comment
  SEINET11259360 Image available Hulsea californica J. Stubbs 1972-10-8 s.n. Placer 5 miles S of Auburn along American River 366 Comment
  JEPS71482  Hydrophyllum capitatum var. alpinum Gladys L. Smith 1972-6-18 3165 Placer Alpine Meadows 2072 Comment
  UCD22027  Hydrophyllum capitatum var. alpinum Rex Palmer 1979-6-20 N 276 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR545  Hydrophyllum occidentale Frank C. Vasek 1955-6-29 248 Placer Sierra Nevada Mountains, Sugar Bowl, near Donner Pass [ski area, c. 1 mi. east of Lake Van Norden] 2141 Comment
Read comments
Jul 27 2014
  POM86318  Hypericum I. E. Diehl 1902-7-7 50 Placer Colfax Comment
  UCD110360  Hypericum concinnum Jean Dougherty 1986-5-31 86 -25 Placer On Mosquito Ridge Road, 0.3 miles after junction with Foresthill Road. Comment
  POM178043  Hypericum perforatum Marcus E. Jones 1930-7-11 25286 Placer Auburn Comment
  UCR219683  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16371 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC401265  Hypericum perforatum Brighton C. Cain 1925-8-15 3 Placer 2 miles south of Auburn at Wise Power House Comment
  JEPS126290  Hypericum perforatum subsp. perforatum Steve Matson 1998-8-15 378 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; near Highway 28. Comment
  CDA36917  Hypochaeris glabra CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA36751  Hypochaeris glabra D. B. Joley 1976-4-22 13 Placer Loomis area, Butterfield s. 0 Comment
  JEPS26024  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer 1.5 mi s Homewood (along state hwy 89) 1889 Comment
  SCFS1168  Ipomopsis aggregata E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Comment
  UC1249640  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer ca 1.5 mi s Homewood (along state hwy 89) 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
  UC124884  Ipomopsis congesta C. F. Sonne 1886-7-18 Placer Comment
  CHSC67679  Ipomopsis congesta subsp. montana James D. Jokerst 1986-7-13 2737 A Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  UC186610  Iris hartwegii C. F. Sonne 1891-4-5 Placer Auburn Comment
  HSC83397  Iris hartwegii G. M. Riegel 1975-5-16 16 Placer 3.6 mi. W of Foresthill off Foresthill Auburn Rd. on Red Rock Rd. 915 Comment
  UCR191055  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12046 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  SEINET5338181  Isopyrum occidentale D. E. Brix 1962-3-17 s.n. Placer 3 1/2 miles northeast of Auburn, No. FK. American River. 366 Comment
  RSA655140  Iva axillaris subsp. robustior Beecher Crampton 1956-7-17 3720 Placer Blue Canyon; near railroad. 1433 Comment
  UC1611561  Ivesia gordonii W. Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4541 Placer Squaw Valley; beyond upper cable car station Comment
  CHSC74728  Juncus balticus Susi Urie; Eric Schroder 1998-9-11 98 -350 Placer Lake Tahoe Basin Management Unit - National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC68034  Juncus bufonius var. bufonius James D. Jokerst 1986-4-14 2618 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  CHSC74021  Juncus bufonius var. occidentalis Susi Urie 1998-9-1 98 179 B Placer Lake Tahoe Basin Management Unit - Forest Service. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  UC1748358  Juncus confusus Susi Urie 1998-8-11 98 -14 Placer about 2 mi W of Lake Tahoe and Sunnyside (about 0.5 mi N of Ward Creek, along a small tributary) 2097 Comment
  CDA25002  Juncus ensifolius J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SD243044  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2011-8-26 18179 Placer Northern Sierra Nevada Mountains: along Forrest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. Wet area below a rocky seep. 2050 Comment
  UCR146671  Juncus ensifolius Beecher Crampton 1961-9-27 6009 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  SD81039  Juncus mexicanus Darley F. Howe 1971-7-3 Placer Truckee. 1829 Comment
  CHSC74321  Juncus nevadensis Susi Urie 1998-8-29 98 -155 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74900  Juncus nevadensis Susi Urie; Eric Schroder 1998-9-10 98 -322 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  JEPS103514  Juncus occidentalis Lowell Ahart 2002-7-22 9911 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
  CDA16994  Juncus orthophyllus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16047 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC1133697  Juncus parryi N. French 1934-6-22 466 Placer Serena Lake Tahoe National Forest, Truckee Quad. 2407 Comment
  CHSC81838  Juncus tenuis Lowell Ahart 2001-10-10 9351 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 a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  NY21827  Juniperus californica M. E. Jones 1882-1 5623 Placer Soda Springs Comment
  POM281907  Juniperus occidentalis var. occidentalis Lyman Benson 1933-6-25 4540 Placer Cisco, U.S. 40, Sierra Nevada, Bear River watershed 1829 Comment
  CAS-BOT-BC235566  Keckiella breviflora Margaret J. Williams 1984-6-24 84- 65 -1 Placer 0.3 mi in from Hwy 20, on Bowman Lake Rd. 1524 Comment
  POM216172  Keckiella breviflora D. D. Keck 1933-6-1 2432 Placer 2.3 miles southeast of Loomis on back road to Folsom. Comment
  UC565579  Keckiella breviflora Herbert L. Mason 1926-5-26 3272 Placer 5 mi above Auburn Comment
  RSA0037372  Keckiella breviflora subsp. breviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20503 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  NY786806  Keckiella breviflora var. breviflora F. W. Pennell 1940-6-2 25659 Placer Route 49. North of American River, east of Auburn. 274.3 Comment
  NY790327  Keckiella lemmonii C. F. Sonne 1896-8-8 s.n. Placer On road to Tahoe Comment
  RSA121077  Kelloggia galioides B. Bolt 1934-7-19 152 Placer 1 mile S of Whiskey Hill. 1646 Comment
  SD237601  Kelloggia galioides G. K Helmkamp, Amy Barnes 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill (Michigan Bluff 7.5'Q) 1230 Comment
  UC662634  Kelloggia galioides L. S. Rose 1941-7-21 41338 Placer Chambers Lodge (McKinney); Lake Tahoe 1900 Comment
  UCR215979  Kelloggia galioides George K. Helmkamp, Amy Barnes 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UCR232621  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16638 Placer Northern Sierra Nevada Mountains, Forest Route 10 (Sugar Pine Rd.), 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34 deg. ) of Foresthill 1311 Comment
  UCR258166  Kickxia elatine George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20042 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CDA10755  Kochia scoparia Nancy Lozano 2007-8-28 PDR# 1278075 Placer Tahoe City; 1155 N. Lake Blvd. Roadside outside California State Parks Office. Comment
  POM99238  Kumlienia hystricula Katherine Brandegee 1909-4-28 s.n. Placer In the Sierra Nevada foothills. 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
  POM361391  Lactuca serriola Wm. Martin 1971-9-10 20219 Placer 1 mile E of Weimar on Hwy 80 Comment
  UC306180  Lagophylla glandulosa unknown 1894-8-1 Placer Palm Avenue Auburn Comment
  SD50715  Lagophylla ramosissima Darley F. Howe 1959-8-1 Placer 2.0 miles north of Auburn. 455 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
  SEINET7249132  Lamium amplexicaule George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  UC30449  Lasthenia californica H. N. Bolander 1865-4-11 4545 Placer Auburn Comment
  CAS-BOT-BC337941  Lasthenia californica H. N. Bolander 1865-4-11 4545 Placer Flats at Auburn Comment
  CAS-BOT-BC353496  Lasthenia fremontii Carl B. Wolf 1937-5-12 8621 Placer Sacramento Valley, 1 mi. N of Lincoln 45 Comment
  UC472252  Lasthenia fremontii Francis Ramaley 1917-4-15 11112 Placer Lincoln Comment
  UC472258  Lasthenia fremontii Francis Ramaley 1917-4-15 11110 Placer Lincoln Comment
  JEPS113285  Lasthenia glaberrima Lowell Ahart, Brian Williams 2007-4-13 13632 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SBBG128601  Lasthenia glaberrima G. K. Helmkamp, E. A. Helmkamp 2011-5-12 17252 Placer S of Lincoln along Athens Ave, 1.6 mi E of Fiddyment Rd, 0.6 mi W of Industrial Ave 41 Comment
  RSA406667  Lathyrus jepsonii subsp. californicus Fay A. MacFadden 1934-3-31 12452 Placer Dutch Flat Comment
  UC15330  Lathyrus jepsonii var. californicus Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET5327342  Lathyrus sulphureus W. D. Billings 1940-5-18 1304 Placer Opening in undisturbed pine woods Gold Run Comment
  HSC82231  Layia fremontii Thomas W. Nelson 1979-4-10 4591 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  RSA121950  Ledum glandulosum N. H. French 1934-6-21 436 Placer S.W. side of Paliside Lake. Comment
  UCD62881  Leersia oryzoides Christopher Michael Bronny 2007-9-24 - 1 Placer Yuba and Placer County lines: Along north and south banks of Bear River below the Highway 65 overcrossing approximately 1 mile south of Wheatland. 25 Comment
  UC416690  Lepechinia calycina W. W. Mackie 1904-4 Placer Newcastle Comment
  UCR250684  Lepidium campestre George K. Helmkamp, Mary Alice Barnes 2013-4-18 20350 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
  UCR249529  Lepidium strictum George K. Helmkamp, Amy Barnes 2013-3-28 20288 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  SD241131  Leptosiphon bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-17 15899 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q). 308 Comment
  RSA293428  Leptosiphon bicolor Reino Alava 1958-5-3 2027 Placer On roadside meadow, eleven miles from Auburn on the County Road No. 79. Comment
  CHSC9521  Leptosiphon ciliatus J. F. Goodwin 1971-7-11 163 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  UCD22110  Leptosiphon ciliatus Rex Palmer 1979-7-12 N 622 Placer Headwaters basin area of the North Fork of the American River Comment
  POM74450  Leptosiphon ciliatus Katherine Brandegee 1908-07 s.n. Placer Between Cisco and Summit Comment
  SEINET2470945  Leptosiphon harknessii K. Christie 2010-7-8 1886 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73 ca. 1.25 mi. west of Tahoe City. 2103 Comment
  UC1121015  Leucothoe davisiae B. Bolt 1934-7-17 133 Placer Robertson Flat, Tahoe National Forest 2011 Comment
  UCR247347  Leucothoe davisiae T. C. Fuller 1973-8-23 19982 Placer Sierra Nevada Mtns., just SE of Robinson Flat Guard Station 2165 Comment
  CAS-BOT-BC444161  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Along the Yuba River below Cisco 1676 Comment
  CHSC74117  Lewisia nevadensis Susi Urie 1998-8-11 98 -021 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  UC1136687  Lewisia nevadensis N. French 1934-6-19 319 Placer 1/4 mi w Devil's Peak; Tahoe National Forest, Colfax quadrangle Comment
  POM101906  Lewisia triphylla Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  CAS-BOT-BC436047  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer Mt. Lincoln south of Summit valley 2499 Comment
  CAS-BOT-BC436049  Ligusticum grayi A. A. Heller 1919-7-25 13300 Placer Near the Yuba River below Cisco 1676 Comment
  CDA15646  Ligusticum grayi G. F. Hrusa, J. Glazner 1999-7-18 15203 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC21113  Ligusticum grayi C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  CAS-BOT-BC451588  Lilaea scilloides Gordon H. True 1971-5-26 6534 Placer Northern limits of Lincoln 48 Comment
  SEINET3992198  Lilium pardalinum Vollmer, L. Beane 1951-1 188 Placer Bear Valley, east of Nevada City Comment
  UC615237  Lilium parvum Beryl O. Schreiber 1933-7-17 875 Placer below Summit Comment
  UCD22053  Lilium washingtonianum Beth Lowe Corbin 1982-8-10 306 Placer 1 3/4 miles NW of Onion Creek Campground. 2103 Comment
  CAS-BOT-BC133076  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer; L. Beane 1951-7-1 191 Placer Bear Valley, east of Nevada City Comment
  SEINET8727023 Image available Limnanthes alba Charles T. Mason Jr. 1949-1 1294 Placer 4.3 miles S. W. of Placerville along U. S. Highway 50. Comment
  UC869475  Limnanthes alba subsp. versicolor C. L. Hitchcock 1940-5-7 6333 Placer ca 1 mi w Baxter Comment
  SEINET3225174 Image available Limnanthes douglasii Marcus E. Jones 1882-6-28 3285 Placer Emigrant Gap. Comment
  SBBG128840  Limnanthes floccosa subsp. californica G. K. Helmkamp, E. A. Helmkamp 2011-4-10 17151 Placer Riosa Rd at the E edge of the village of Sheridan, Sacramento Valley 41 Comment
  UC572434  Linanthus ciliatus N. French 1934-6-22 483 Placer 0.5 mi w Lake Van Norden 2133 Comment
  SEINET9333463  Linanthus harknessii George Hrusa, Glazner, J. 1999-7-17 15153 Placer Martis Valley Comment
  UC133951  Linanthus harknessii Miss Harriet A. Walker 1908-7-27 1452 Placer Cisco, near the hotel Cisco 1810 Comment
  UCD21974  Linanthus pungens Beth Lowe Corbin 1982-8-4 234 Placer 1 1/8 miles NNW of Onion Creek campground. 2194 Comment
  CDA38630  Linaria genistifolia subsp. dalmatica Clayton Seado 2012-8-9 PDR# 1611239 Placer Tahoe City; Tahoe City Public Utility District near Jackpine Street. 0 Comment
  CDA6360  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4182 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  CHSC97805  Linaria vulgaris L. P. Janeway; B. Castro 2007-9-28 9211 Placer Northern High Sierra Nevada. Along south bank of Truckee River 0.9 km southwest of the Lake Tahoe dam. 1893 Comment
  UCR229547  Linum lewisii var. alpicola George K. Helmkamp, E. A. Helmkamp 2011-7-26 17891 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
  UC13524  Listera convallarioides Chesnut and Drew 1889-7-1 Placer Ackerman's Comment
  CDA21151  Lithocarpus densiflorus var. echinoides G. F. Hrusa 1993-11-3 11467 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  UC483999  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-11 Placer 8 mi w Emigrant Gap 1371 Comment
  JEPS111185  Logfia filaginoides Steve Matson 2005-4-17 1219 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  SACT001437  Lolium multiflorum D. Meyer 1983-5-7 Placer Comment
  CDA15458  Lolium perenne D. Mitani 1999-3-31 PDR 1223619 Placer Sierra Nevada; Winchester Country Club golf course, Meadow Vista. 0 Comment
  UCD34030  Lolium perenne Beecher Crampton 1975-9-9 9283 Placer Placer County, Alta, Hwy. 80. 1188 Comment
  UCD66471  Lolium perenne Beecher Crampton 1964-7-9 7108 Placer Emigrant Gap, U. S. Hwy. 40. 1615 Comment
  UCSB32284  Lomatium bicolor Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  JEPS16109  Lomatium dissectum var. multifidum L. S. Smith 1920-5-22 1603 Placer s. Truckee (Martis Creek, Antelope Valley); Tahoe Forest, Antelope Valley, Martis Creek 1981 Comment
  HSC82526  Lomatium utriculatum Thomas W. Nelson 1979-4-10 4581 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  SD237288  Lomatium utriculatum G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14628 Placer Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.6 miles east of its junction with Forrest Hill Road in Foresthill. 771 Comment
  UCD35457  Lomatium utriculatum Beecher Crampton 1957-5-7 3997 Placer 1.1 miles east of Lincoln on road to Newcastle. Comment
  UC1125215  Lonicera conjugialis N. French 1934-6-18 419 Placer Lock Leven Lakes Tahoe National Forest, Truckee Quadrangle Comment
  UC889535  Lonicera conjugialis Alice Eastwood Jun 15 1912-Jun 19 1912 427 Placer Deer Park Lake Tahoe Region Comment
  UCD150306  Lonicera conjugialis James A. Neilson Jr. 1970-1 1983 Placer Tahoe Basin, Lower Ward Creek, plot 232 D. 2011 Comment
  UCD22156  Lonicera conjugialis Beth Lowe Corbin 1982-8-10 303 Placer 1 1/2 miles WNW of Onion Creek Campground. 1996 Comment
  SEINET8056613  Lonicera conjugialis M. J. Williams 1985-7-6 85- 63 -8 Placer Sierra Nevada; Pacific Crest trail between old and new Donner Summits. Comment
  UCD50453  Lonicera conjugialis D. Axelrod 1982-1 s.n. Placer Exact location unknown. Comment
  UCD69253  Lonicera hispidula D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-6 s.n. Placer Forest Hill Road between Todd Valley and Forest Hill, near Forest Hill. Tahoe National Forest. 750 Comment
  CAS-BOT-BC200945  Lotus L. S. Smith 1926-5-30 1877 Placer Tahoe National Forest. Colfax Road 853 Comment
  UC864264  Lotus argophyllus Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  UCR250077  Lotus argophyllus var. fremontii George K. Helmkamp, Mary Alice Barnes 2013-5-3 20502 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  UCR130216  Lotus corniculatus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5093 Placer Northern Sierra Nevada Mtns., Soda Springs Rd 0.9 mi south of Donner Pass Rd, approaching Ice Lakes 2104 Comment
  UCR255866  Lotus crassifolius Greg de Nevers 1995-8-20 10769 Placer Sierra Nevada Mountains, Lake Tahoe 2165 Comment
  POM27248  Lotus humistratus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. 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
  UC147591  Lotus incanus Miss Harriet A. Walker 1908-6-24 1278 Placer Blue Canyon 1432 Comment
  UC80756  Lotus incanus Katharine Brandegee 1889-7-6 Placer Alta Comment
  CDA36916  Lotus micranthus CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  RSA406188  Lotus micranthus Fay A. MacFadden 1934-3-31 12423 Placer Near Monte Vista Inn. Comment
  RSA790110  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17854 Placer Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg ) of Emigrant Gap 1590 Comment
  SEINET11268218  Lotus nevadensis var. nevadensis Lowell Ahart, Peter Ahart 2001-10-10 9345 Placer Below the high water line of French Meadows reservoir, near the boat or trail access area on the north west 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.; 0 1594 Comment
  RSA122864  Lotus oblongifolius G. T. Nordstrom 1934-6-22 155 Placer At Mammoth Springs. 1707 Comment
  RSA293385  Lotus oblongifolius Reino Alava 1958-5-2 1994 -A Placer About four miles from auburn along the road to Nevada City. Comment
  UC1129106  Lotus oblongifolius var. oblongifolius B. Bolt 1934-7-6 87 Placer Mammoth Spring Tahoe National Forest, Colfax Quad. 1615 Comment
  SEINET3694433  Lotus oblongifolius var. torreyi Marcus E. Jones 1881-6-28 2628 Placer Emigrant Gap Comment
  CDA12426  Lotus purshianus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8555 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCR152264  Lotus purshianus Beecher Crampton 1972-7-26 8836 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  JEPS55783  Lotus purshianus var. purshianus W. H. Shockley Jun 1886 Placer Auburn Comment
  SEINET11265986  Lotus purshianus var. purshianus George Helmkamp, E. A. Helmkamp 2010-10-16 17016 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 0.5 miles north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd (Foresthill 7.5' Q.); 0 948 Comment
  UC569690  Lotus purshianus var. purshianus B. Bolt 1934-7-20 154 Placer Whiskey Hill Colfax Quad. 1645 Comment
  UCR170797  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2005-9-30 9933 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  UCR170821  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2005-9-30 9946 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR231883  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17016 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UC65767  Lotus purshianus var. purshianus P. B. Kennedy and S. B. Doten 1901-8-18 413 Placer French Meadows Comment
  UCD105842  Lupinus adsurgens G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12630 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UC1129278  Lupinus albifrons C. R. Clar 1933-5-12 118 Placer Applegate Hill; Colfax Quad., Applegate Hill Comment
  SEINET5327624  Lupinus albifrons Polkinghorne 1964-3-21 s.n. Placer Near Auburn. 549 Comment
  UCR207885  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14580 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  UCR250071  Lupinus albifrons var. collinus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20486 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  CAS-BOT-BC196230  Lupinus albifrons var. eminens Abigail Smith 1899-4-1 s.n. Placer Applegate Comment
  SBBG3520  Lupinus andersonii E. R. Blakley 1960-9-2 3800 Placer Carnelian Bay, Lake Tahoe 1903 Comment
  UC477530  Lupinus andersonii L. S. Smith 1931-6-3 2554 Placer Mosquito Ridge 1524 Comment
  UCD106437  Lupinus andersonii S. L. Smith Date Unknown 753 Placer Squaw Valley. Comment
  JEPS46160  Lupinus apertus L. S. Smith 1927-8-5 2150 Placer Robertson Flat Ranger Station Tahoe National Forest, Forest Hill District (Forest Hill District) 2346 Comment
  UC1129253  Lupinus apertus B. Bolt 1934-7-6 82 Placer 1 1/2 mi se Monumental Hill; Tahoe National Forest, Colfax Quad., se of Monumental Hill Comment
  CDA27376  Lupinus apertus T. C. Fuller 1973-8-23 19983 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  UC148924  Lupinus arbustus H. M. Hall 1910-6-28 8730 Placer Cisco; Sierra Nevada Mountains, Cisco 1828 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
  UCR270697  Lupinus arbustus John F. Emmel 1998-7-9 1576 Placer Sierra Nevada Mountains, Donner Pass area, north peak of Mt. Judah 2500 Comment
  UCR257565  Lupinus benthamii George K. Helmkamp, Amy Barnes 2014-4-23 22774 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  JEPS65024  Lupinus benthamii R. E. Arp 1932-4-18 4 Placer Coloma Comment
  RSA756536  Lupinus benthamii Barbara Ertter, David Thompson 1989-4-9 8199 Placer Coloma Road east of Auburn, roadside on hills. 457 Comment
  UCR222541  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-17 15886 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill 360 Comment
  UCR249528  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCR249532  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20286 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  UCR258240  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20239 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  CDA32821  Lupinus bicolor William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  UCD108133  Lupinus latifolius F. A. MacFadden 1934-7-9 s.n. Placer Near flume below Emigrant Gap. Comment
  UC942753  Lupinus latifolius var. columbianus Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4020 Placer near bridge on Rt 49 s Auburn (North Fork American River); North Fork American River 213 Comment
  SEINET6655518  Lupinus latifolius var. latifolius L. S. Smith 1927-8-6 2158 Placer Tahoe NF; Top of hill south of Robertson Flat Ranger Station; Duncan Peak Ridge.; 0 2347 Comment
  SD6066  Lupinus laxiflorus unknown Jun/Jul 1914 Placer Cisco Comment
  SEINET3246089  Lupinus lepidus var. confertus G. K. Helmkamp, E. A. Helmkamp 2007-1 12640 Placer Northern Sierra Nevada Mountains: 0.1 miles south of the Rainbow exit from Interstate-80, 0.5 miles east of Rainbow. 1789 Comment
  UCD108251  Lupinus lepidus var. confertus G. K. Helmkamp; E. A. Helmkamp 2005-9-30 9964 Placer Northern High Sierra Mountains: ca. 3.5 mi NW of Lake Tahoe; Along the Truckee River and CA Highway 89, 0.1 mi N of Alpine Meadows Road. 1902 Comment
  CDA13664  Lupinus lepidus var. sellulus G. F. Hrusa, J. Glazner 1997-8-3 14024 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD108586  Lupinus lepidus var. sellulus F. A. MacFadden 1934-8-10 s.n. Placer Cisco. Comment
  UC1481901  Lupinus lepidus var. sellulus D. B. Dunn, LeDoux and Kenney 1973-6-26 21040 Placer 0.4 mi e Norden Post Office (approaching Donner Pass); , e of the Norden Post Office Comment
  SEINET8056960  Lupinus microcarpus var. densiflorus A. Allen 1950-4-29 19 Placer 2 miles east of Roseville on highway 40, Comment
  UCR224244  Lupinus microcarpus var. microcarpus George K. Helmkamp, E. A. Helmkamp 2010-4-23 15906 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  CDA19539  Lupinus nanus M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 257 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
  CHSC114667  Lupinus nanus CDFA Staff 1976-6-24 Placer Nute Ranch, near Nute Road. Comment
  SEINET8056977  Lupinus nanus Caldwell 1962-5-9 112 Placer Fork of American River eat of Auburn 3 miles 427 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
  CHSC73042  Lupinus polyphyllus var. burkei L. P. Janeway 1998-8-6 5990 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UCD43806  Lupinus polyphyllus var. burkei C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1172 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  NY16017  Lupinus silvicola A. A. Heller 1909-7-16 9857 Placer Summit 2133.6 Comment
  SEINET10490267  Lupinus superbus var. bernardinus L. S. Smith 1938-7-22 Smith s.n. Placer Tahoe National Forest. Squaw Valley. Comment
  UCD44000  Luzula C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1366 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC74327  Luzula cascadensis Susi Urie; Eric Schroder 1998-9-11 98 -342 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  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
  CDA19570  Luzula comosa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 214 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
  POM180967  Luzula comosa A. Kellogg 1870-6-16 s.n. Placer Cisco. Comment
  UCD142068  Luzula comosa Beecher Crampton 1966-4-14 7649 Placer 2.5 miles east of Lincoln. 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
  CAS-BOT-BC436673  Luzula comosa var. laxa W. R. Dudley 1893-6-1 s.n. Placer Back of Tallac Comment
  RSA0011311  Lythrum hyssopifolia I. E. Diehl 1902-7-7 s.n. Placer Colfax. Comment
  SD8613  Madia bolanderi Katherine Curran Sep 1883 Placer Donner Lake Comment
  CAS-BOT-BC343772  Madia elegans Grant 1906-7-25 7071 Placer Tallac - Lake Tahoe Comment
  OBI15733  Madia elegans Robert F. Hoover 1967-9-6 10850 Placer Kings Beach, Lake Tahoe Comment
  UC217498  Madia elegans H. M. Hall 1917-5-17 10309 Placer 5 mi n Lincoln (along S.P.R.R.); Sacramento Valley Comment
  POM216212  Madia exigua D. D. Keck 1933-5-31 2427 Placer Just south of Auburn on road to Roseville. 305 Comment
  CAS-BOT-BC342838  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  RSA0045149  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19919 Placer Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road. 1611 Comment
  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
  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
  CAS-BOT-BC512084  Maianthemum racemosum subsp. amplexicaule A. A. Heller 1917-6-17 12706 Placer Near the Yuba river below Cisco. 1676 Comment
  RSA377688  Maianthemum racemosum subsp. amplexicaule William Martin 1971-9-10 20250 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  UCD107663  Marah fabacea Gordon H. True; John Thomas Howell 1972-3-17 7074 Placer Just south of Auburn Ravine, 1.5 miles west of Lincoln. 48 Comment
  POM68320  Marah watsonii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  SEINET8551407  Marah watsonii W. D. Billings 1939-3-19 1193 Placer 2 miles N of Auburn. Comment
  RSA0038509  Marrubium vulgare George K. Helmkamp, Mary Alice Barnes 2013-5-3 20470 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SD241766  Matricaria discoidea 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
  UC50154  Meconella californica H. N. Bolander 1865-4-10 4524 Placer Auburn Comment
  UCD22011  Medicago lupulina Beth Lowe Corbin 1982-8-13 347 Placer 1/2 mile west of The Cedars. In damp, fine, sandy, soil in meadow. Flowers yellow. Mostly sun. West facing slope, 10% incline. Common. 1722 Comment
  SD255747  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22532 Placer Sierra Nevada Mountains Foothills; North Auburn, corner of Bell Road and Olympic Way, 0.7 mile west of CA 49. 433 Comment
  CAS-BOT-BC269215  Melica aristata California Academy of Sciences 1870-6-1 s.n. Placer Cisco, Sierra Nevada Mountains Comment
  CHSC79888  Melica aristata G. F. Hrusa; J. Glazner 1999-7-18 15234 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89 and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1905 Comment
  UCD36701  Melica aristata Beecher Crampton 1955-7-13 2983 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SACT001474  Melica aristata Michael Baad 1983-7-15 Placer From Junction owith road from Ramsey CRossing to Devil's Peak. 1524.0 Comment
  JEPS75173  Melica bulbosa Gladys L. Smith 1972-6-20 3261 Placer Ward Peak 2590 Comment
  RSA135800  Melica bulbosa John H. Thomas, Hazelle A. Thomas 6140 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2134 Comment
Read comments
May 29 2013
  SACT001499  Melica californica Josephine Van Ess 1977-4-27 Placer Collected near top of hill where flume crosses the road. Dry slope. 140.2 Comment
  UCD86437  Melica californica Beecher Crampton 1955-6-15 2867 Placer 0.5 mile south of U. S. Hwy. 40 on the Forest Hill Road. Comment
  CAS-BOT-BC282065  Melica fugax A. A. Heller 1917-6-17 12699 Placer Along the Yuba River below Cisco 1676 Comment
  UCD87278  Melica fugax A. A. Heller 1917-6-17 12699 Placer Along the Yuba River below Cisco. 1676 Comment
  UCD87289  Melica fugax Mrs. H. P. Kelley 1915-6-19 s.n. Placer Squaw Valley. Comment
  SACT001516  Melica harfordii Michael Baad 1983-7-1 Placer 3-5 miles southwest of Emigrant Gap on Road 19 Comment
  SACT001517  Melica harfordii Michael Baad 1977-6-8 Placer On road between Forest Hill and French meadows. Roadside serpentine chaparral 914.4 Comment
  SACT001520  Melica harfordii D. Meyer 1984-6-23 Placer 1 km from i80 frontage road shady hillside with oak and douglas fir. 978.0 Comment
  SACT001522  Melica harfordii D. Meyer 1984-8-17 Placer 667.0 Comment
  UCD36664  Melica harfordii Beecher Crampton 1955-6-15 2897 Placer Placer County, Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  UCD87488  Melica harfordii Beecher Crampton 1964-7-21 7129 Placer Blue Canyon. 1430 Comment
  SACT001531  Melica stricta Michael Baad 1983-8-11 Placer On trail from Whiskey Creek to Mildred Ridge 2133.0 Comment
  UCD22224  Melica stricta Beth Lowe Corbin 1982-8-4 244 Placer 1 1/4 mile N of Onion Creek Campground. E facing slope, 50% inclination. Occasional. Full sun. In rocky, fine, sandy, granitic soil on open talus slope in white fir forest. Bunchgrass. Glumes and base of culms purplish. 2225 Comment
  UCD88310  Melica stricta Tamara Kan 1992-7-25 s.n. Placer East slope of Silver Peak. 2377 Comment
  CDA12411  Melica subulata G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8539 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD36655  Melica torreyana Beecher Crampton 1955-6-15 2876 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  CDA39027  Melilotus albus D. G. Kelch 2011-10-3 11 .826 Placer Tahoe City. Granlibakken Resort. Comment
  SEINET7952650  Mentha X piperita J. Stubbs 1972-10-8 s.n. Placer 5 miles S of Auburn, beside spring along roadside. 518 Comment
  UCR258208  Mentha arvensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20048 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
  UC872397  Mentzelia dispersa unknown 12885 Placer Upper limit of the yellow pine belt (P. Jeffreyi) Summit Station 2121 Comment
  UC872457  Mentzelia dispersa Lewis S. Rose 1938-9-14 38269 Placer 3 m nw Tahoe City; Truckee River 1828 Comment
  UCD150573  Mentzelia dispersa James A. Neilson Jr. 1970-6-17 1560 Placer Tahoe Basin, 2 mi. NE of Tahoe City. 1914 Comment
  OBI48940  Mentzelia montana Lewis S. Rose 1941-7-12 41313 Placer Chambers Lodge (McKinney), Lake Tahoe 1920 Comment
  CAS-BOT-BC428681  Micranthes bryophora Richard Mc. P Brown 1961-7-6 s.n. Placer Near Sugar Bowl, Emigrant Meadow Comment
  SEINET6033448  Micranthes californica S. Dean 1979-3-31 s.n. Placer El Dorado Creek near junction with North Fork of Middle Fork of American River, off Mosquito Ridge Road to French Meadows 518 Comment
  CAS-BOT-BC349328  Microseris nutans Alice Eastwood 1909-1-1 75 Placer Lake Tahoe Region. Sunnyside Comment
  JEPS111245  Microseris nutans Steve Matson 2005-6-12 1268 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of fencline; 39.2944 N, 120.1261 W; Elevation 5850 ft. 1783 Comment
  CAS-BOT-BC349330  Microseris nutans Alice Eastwood 1912-6-15 s.n. Placer Dear Park, Lake Tahoe Region Comment
  CHSC72880  Microsteris gracilis L. P. Janeway; Eric Schroder 1998-7-13 5750 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  HSC95831  Mimulus aurantiacus Kevin Thomas 2004-4-10 20 Placer Newcastle Comment
  UCD122225  Mimulus aurantiacus M. H. Mills 1996-4-12 146 Placer 5830 Walden Lane, Loomis. 180 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
  LA83144  Mimulus guttatus O. H. Kappler; 1946-7-18 1307 Placer Lake Tahoe, NW shore 1920 Comment
  UCR208272  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14638 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCR208601  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14629 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCR240956  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19907 A Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  JEPS59500  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-22 255 Placer e Truckee River (Bear Rock); Sierra Nevada Mts. 1898 Comment
  CDA38386  Mimulus jepsonii S. E. Schoenig 1998-8-16 98 -83 Placer 1.0 mile north of Grouse Ridge on trail to Island Lake, northeast of Milk Lake. Tahoe National Forest. Comment
  RSA409259  Mimulus kelloggii Fay A. MacFadden 1934-3-31 12430 Placer Near Monte Vista Inn. Comment
  UCD21878  Mimulus lewisii Beth Lowe Corbin 1982-8-3 175 Placer Onion Creek campground. 1841 Comment
  CDA41694  Mimulus lewisii Rex Palmer 1979-7-25 N 676 Placer Headwaters Basin Area of the North Fork of the American River. 0 Comment
  SEINET3159687  Mimulus luteus W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  UC1563709  Mimulus microphyllus Barbara Ertter with David Thompson 1989-4-8 8148 Placer ca. 2 mi from I-80 (Iowa Creek Road, near entrance to Auburn State Recreation Area, at creek crossing) 518 Comment
  UCD43272  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 640 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44025  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1391 Placer Lake Tahoe Basin. Comment
  UCD21890  Mimulus microphyllus Rex Palmer 1979-7-19 N 227 Placer Exact location unknown. Comment
  UC1035681  Mimulus moniliformis Kay H. Beach 1940-6-30 811 Placer 2 1/2 mi w Cisco (s side of river); Yuba River 1676 Comment
  SEINET12343283  Mimulus primuloides H. A. Walker 1910-6-19 2151 Placer Donner Lake Comment
  UC41880  Mimulus primuloides Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  JEPS8637  Mimulus pulsiferae Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, D. Zohary, J. Hunziker, F. Ehrendorfer & H. Stutz 1952-7-20 3881 Placer 7 mi e Iowa Hill (tributary of the upper reaches of creek); Tahoe Nat. Forest, Shirttail Creek 1158 Comment
  POM298032  Mimulus tilingii A. A. Heller 1917-8-13 12918 Placer Ridge northwest of Donner Pass. 2378 Comment
  JEPS14988  Mimulus torreyi G. T. Nordstrom 1934-6-22 157 Placer 1/2 mi ne Mammoth Springs; Tahoe National Forest, Colfax Quadrangle Comment
  RSA420993  Mimulus torreyi Fay A. MacFadden 1934-7-9 12574 Placer Emigrant Gap. Comment
  SCFS1235  Mimulus torreyi E. Krimmel 2013-1 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook at Land of the Lost. Comment
  UC569871  Mimulus torreyi G. T. Nordstrom 1934-6-22 157 Placer 1/2 mi ne Mammoth Spring; Colfax Quadrangle 1706 Comment
  UCD21894  Mimulus torreyi Rex Palmer 1979-6-19 N 222 Placer Exact location unknown. Comment
  JEPS7869  Mimulus torreyi Rimo Bacigalupi with A. Hawkes, J. Hunziker, G. L. Stebbins, D. Zohary, H. Stutz, F. Ehrendorfer 1952-7-19 3862 Placer about 2 1/2 mi e Iowa Hill (near site of Monona Flat, ridge between Indian Creek and North Fork of American River) 990 Comment
  UC2043027  Minuartia californica Barbara Ertter with Niall McCarten and Tom Fraser 1991-3-29 9719 Placer 2-3 miles south of Lincoln. Comment
  UC485725  Minuartia californica Milo S. Baker 1900-2-11 Placer near Auburn 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
  RSA320412  Mitella breweri James R. Shevock 1979-6-23 6267 Placer Along the Yuba River adjacent to Interstate 80. Tahoe National Forest. 1829 Comment
  CDA40218  Modiola caroliniana M. I. Wibawa 2002-5-27 270 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  UCD125189  Monardella breweri subsp. lanceolata L. M. Sparks 1912-7-1 72 Placer Lake Tahoe. 1920 Comment
  LA27283  Monardella odoratissima Lewis S. Rose; 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  CHSC67833  Monardella odoratissima subsp. pallida James D. Jokerst 1986-7-13 2725 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  JEPS126282  Monardella odoratissima subsp. pallida Steve Matson 1997-7-1 116 Placer Tahoe north shore; Snow Creek watershed, Tahoe Visa/Kings Beach; middle fork of Snow Creek; north of Golf Course. Comment
  SD234897  Monardella odoratissima subsp. pallida G. K. Helmkamp, E. A. Helmkamp 2008-8-20 14030 Placer Northern Sierra Nevada Mountains: Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek. 2107 Comment
  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
  POM296671  Monardella odoratissima subsp. pinetorum L. S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1921 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-BC444731  Montia chamissoi Lewis S. Rose 1940-6-2 40304 Placer Truckee River, 10 mi. n. of Tahoe City 1828 Comment
  JEPS82036  Montia fontana Gladys L. Smith 1982-6-24 7431 Placer near Squaw Valley (Goose Meadow, along Rte [89]); Goose Meadow 1828 Comment
  CAS-BOT-BC260648  Muhlenbergia filiformis John H. and Hazelle A. Thomas 1956-7-21 6178 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles NE of Sacramento 2377 Comment
  SACT001604  Muhlenbergia rigens Michael Baad 1983-7-15 Placer 1.8 miles east of junction with road to Brushy Springs. Open rocky slope. 1524.0 Comment
  UCD33558  Muhlenbergia rigens Beecher Crampton 1969-11-13 8530 Placer Placer County, Weimar on Interstate 80. 685 Comment
  UCD139283  Muilla maritima G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12048 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  SD247365  Myosotis scorpioides George K. Helmkamp, E. A. Helmkamp 2012-6-19 19248 Placer Northern Sierra Nevada Mountains; Robinson's Flat,27 miles east of Forest Hill at the end of Forest Hill Road. 2040 Comment
  UC634963  Myosurus minimus H. L. Mason 1933-5-28 7240 Placer Tahoe Meadows Comment
  CDA19325  Myriophyllum spicatum R. Kerr 2001-6-21 s. n. Placer Sierra Nevada; Truckee River below Fanny Bridge in the vicinity of Tahoe City. 1896 Comment
  RSA782545  Nama lobbii George K. Helmkamp, Amy Barnes 2009-7-12 15186 Placer Along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 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
  UC1153925  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer 6.8 mi n Roseville (valley plain); Whitney Ranch Comment
  CAS-BOT-BC60332  Nasturtium officinale Saichi Kawahara 1969-7-6 1437 Placer Swing near old cabin, Mel Henderson Ranch, east bank of Indian Creek. 999 Comment
  RSA0037370  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-5-3 20501 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  UCD22114  Navarretia breweri Rex Palmer 1979-6-21 N 385 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC74111  Navarretia capillaris Susi Urie 1998-8-11 98 -011 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  JEPS126275  Navarretia capillaris Steve Matson 1997-7-19 113 Placer nSNH: Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area, south of Highway 267 and west of parking area, next to west fork Martis Creek, next to creek. Comment
  UC163971  Navarretia capillaris Mrs. Carlotta C. Hall 1910-6-25 8710 Placer Cisco 1850 Comment
  UC101873  Navarretia divaricata Katharine Brandegee 1888-1 Placer Shady Run Comment
  UC126077  Navarretia divaricata Katharine Brandegee 1908-7-17 Placer near Magda Station (along railway) Comment
  UCD42929  Navarretia divaricata subsp. divaricata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 298 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS70343  Navarretia intertexta W. H. Shockley 1886-6-1 Placer Auburn Comment
  JEPS127514  Navarretia intertexta subsp. propinqua Steve Matson 1997-6-15 14 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  POM75731  Navarretia leptalea Marcus E. Jones 1882-7-3 10176 Placer Alta. Comment
Read comments
Jun 14 2012
  RSA562586  Navarretia leptalea subsp. bicolor Alva Day 1982-7-13 82 -72 Placer Soda Springs Rd. 1.7 mi. N of Chickering property. Comment
  SEINET14151944  Navarretia leptalea subsp. leptalea M. J. Williams 1986-6-19 86- 64 -1 Placer [Sierra Nevada] South of I-80, near Cisco Grove 1743 Comment
  CHSC68021  Navarretia leucocephala James D. Jokerst 1986-4-14 2621 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  POM75593  Navarretia leucocephala subsp. minima Marcus E. Jones 1882-6-30 10108 Placer Emigrant Gap. Comment
  RSA91880  Navarretia tagetina Beecher Crampton 1953-5-14 1274 Placer 3 miles north of Roseville, Hwy 99E. Comment
  CHSC24707  Nemophila heterophylla T. C. English 1976-4-18 34 Placer N side of abandoned R. R., n fork of the American River, 2 1/4 mi w of Hwy 49 bridge. 335 Comment
  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
  SD43636  Nemophila heterophylla Darley F. Howe 1948-5-22 1855 Placer Placer Co. 609 Comment
  UC131444  Nemophila maculata Katharine Brandegee 1905-8-6 Placer Alta Trail 2590 Comment
  CDA19093  Nemophila maculata D. A. Mayhew 2001-3-19 s.n. Placer Sacramento Valley; NE of wet vernal pool, Aylesbury Way, Roseville. 0 Comment
  UCD120249  Nemophila menziesii var. integrifolia Terri Williamson 1990-4-15 5 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  SEINET9372251  Nothocalais alpestris George Hrusa, Glazner, J. 1999-7-17 15154 Placer Martis Valley Comment
  JEPS62088  Odontostomum hartwegii E. R. Arp 1935-5-13 Placer Roseville Comment
  UC4148  Odontostomum hartwegii C. F. Sonne 1891-5-17 14 Placer Auburn Sierra Nevada Mts., Auburn Comment
  UC1122247  Oenothera elata subsp. hirsutissima H. S. Yates 1934-6-29 3902 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  UC615292  Orobanche californica subsp. grayana Beryl O. Schreiber 1932-9-11 764 Placer Near Summit. Comment
  UCD21985  Orobanche californica subsp. grayana Beth Lowe Corbin 1982-8-19 384 Placer 2 miles south of The Cedars. 2118 Comment
  UCD160078  Orobanche fasciculata Sue Nichol 2015-4-15 s.n. Placer Along Foresthill Rd. between town of Foresthill and Foresthill Bridge. Just E of Butcher Ranch Rd.: near mailbox 17010 and Forest Service gate 124. Northwest side of the road. 551 Comment
  CAS-BOT-BC500307  Orobanche uniflora subsp. occidentalis C. F. Sonne 1884-8-24 281 Placer Sierra Nevada Mountains: Rocks above Coldstream Comment
  JEPS111231  Orogenia fusiformis Steve Matson 2005-6-11 1248 b Placer North shore of Lake Tahoe; Cedar Flat; National Forest; 39.1842 N, 120.1085 W; Elevation 6700 ft. 2042 Comment
  UC1438187  Orogenia fusiformis L. Constance and Betsy Wilson 1978-5-12 3894 Placer 5 mi. s. Trackee (Goose Meadows Campground in Truckee R. Valley); Sierra Nevada, Truckee R. Valley, Goose Meadows Campground 1828 Comment
  UCR148840  Orthocarpus cuspidatus G. Fred Hrusa, J. Glazner 2001-7-15 15951 Placer Northern Sierra Nevada Mountains, Near summit of Crows Nest Peak, immediately west of Sugarbowl 2378 Comment
  UCD18250  Orthocarpus cuspidatus subsp. cryptanthus E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 462 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
  RSA20883  Orthocarpus erianthus Carl B. Wolf 1937-3-30 8245 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  UCR235385  Osmorhiza George K. Helmkamp, E. A. Helmkamp 2012-5-11 18947 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  UC875253  Osmorhiza berteroi Marcus E. Jones, A. M. 1882-6-29 2734 Placer Emigrant Gap Comment
  UCD127774  Osmorhiza berteroi G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12049 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  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
  CDA15653  Osmorhiza chilensis G. F. Hrusa, J. Glazner 1999-7-18 15188 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 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
  UCD75758  Osmorhiza occidentalis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5229 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, along undeveloped road downslope of off-road vehicle location. 2194 Comment
  CAS-BOT-BC413165  Oxyria digyna A. A. Heller 1917-8-14 12922 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  CDA32586  Panicum acuminatum var. acuminatum G. D. Barbe 1973-7-19 1633 Placer Roadside Rest Area, West-bound Interstate 80, Gold Run. Comment
  CAS-BOT-BC253674  Panicum capillare Catherine Best 1981-6-17 s.n. Placer Highway 80 Rest Stop near Gold Run 990 Comment
  CHSC81854  Panicum capillare Lowell Ahart 2001-10-10 9342 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about a 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  CHSC79421  Panicum hillmanii Beecher Crampton 1975-9-9 9281 Placer Alta, Hwy 80. 1188 Comment
  SACT001648  Panicum pacificum Michael Baad 1976-8-4 Placer Royal Gorge-Wabena Creek to Wild Cat Canyon Comment
  SACT001653  Panicum pacificum Josephine Van Ess 1980-7-8 Placer Collected at Highway 49 bridge over American River. Wet rocky area. Comment
  POM142851  Parnassia fimbriata Allen M. Carpenter 1892-1 s.n. Placer [Unspecified] Comment
  UCD88733  Paspalum dilatatum Beecher Crampton 1965-9-13 7496 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCR253806  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20093 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  SEINET10592943  Paspalum distichum Alan A. Beetle 1941-6-27 Beetle 2729 Placer 1 mile north of Lincoln, irrigation ditch. Assoc. Cyperus, Alisma, Eleocharis. Comment
  CAS-BOT-BC258772  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CAS-BOT-BC258774  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  UCR141668  Paspalum urvillei Beecher Crampton 1965-9-13 7499 Placer Sierra Nevada Mtns., Gold Run, Interstate Hwy 80 976 Comment
  SEINET4670718  Paspalum urvillei B. Crampton 1965-9-13 7499 Placer Gold Run, Interstate Hwy 80 975 Comment
  UCD22331  Pectiantia breweri Rex Palmer 1979-7-12 N 651 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS59356  Pedicularis attollens Ezra Brainerd and Viola B. Baird 1915-7-7 101 Placer Squaw Valley; Sierra Nevada Mountains 1981 Comment
  RSA463157  Pedicularis attollens Lyman Benson 1942-7-2 11261 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCR209726  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15454 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  SEINET7719334  Pedicularis semibarbata Unknown 1888-6-30 Placer Summit Soda Comment
  RSA686808  Pellaea brachyptera May N. Ackley 1925-06 77 Placer Near Emigrant Gap 1677 Comment
  UCD23227  Pellaea brachyptera Beth Lowe Corbin 1982-8-9 288 Placer 2/3 mile southwest of Onion Creek campground. 1767 Comment
  UCD69352  Pellaea bridgesii S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  UC1713523  Pellaea mucronata var. mucronata H. M. Hall 1916-6-20 Placer near Applegate (Pincrest); Seirra Nevada Mts 731 Comment
  UCD21907  Penstemon Rex Palmer 1979-6-19 N 271 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD34550  Penstemon Beecher Crampton 1985-6-23 9995 Placer North Shore Lake Tahoe, Stateline road. Comment
  RSA0093629  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19208 Placer Northern Sierra Nevada Mountains Foothills. Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road. 820 Comment
  NY571120  Penstemon azureus var. angustissimus F. W. Pennell 1940-6-2 25662 Placer Route 49, north of American River, east of Auburn 335.3 Comment
  NY571189  Penstemon azureus var. azureus H. M. Hall 1910-6-19 8702 Placer Cisco, in the Transition Zone 1800 Comment
  UC886813  Penstemon azureus var. azureus Lewis S. Rose 1938-9-14 38261 Placer South Fork of Yuba River, Cisco 1615 Comment
  UC886820  Penstemon azureus var. azureus A. A. Heller 1917-8-13 12915 Placer ridge nw of Donner Pass; nw of Donner Pass 2377 Comment
  JEPS72216  Penstemon deustus var. pedicellatus Gladys L. Smith 1972-6-20 3242 Placer steep slope just below Ward Peak summit; just below Ward Peak summit 2628 Comment
  SEINET2470931  Penstemon gracilentus K. Christie 2010-6-30 1872 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  UCD75733  Penstemon gracilentus Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5195 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, side of undeveloped road near hairpin turn. 2160 Comment
  UC887063  Penstemon heterodoxus A. A. Heller 1917-8-13 12921 Placer ridge nw of Donner Pass; nw of Donner Pass 2377 Comment
  CAS-BOT-BC264486  Penstemon heterodoxus var. heterodoxus A. A. Heller 1917-8-13 12921 Placer Ridge NW of Donner Pass 2377 Comment
  POM260311  Penstemon heterophyllus subsp. purdyi C. Leo Hitchcock 1940-5-14 6412 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  RSA78006  Penstemon heterophyllus subsp. purdyi Verne Grant, Alva Grant 1947-05 7971 Placer Weimar. 671 Comment
  SCFS1157  Penstemon laetus E. Krimmel 2013-7-26 Placer NFAm. Swimming Hole Trail. Rocky overlook. Comment
  UCD21906  Penstemon laetus Beth Lowe Corbin 1982-8-2 162 Placer Onion Creek campground. In fine, sandy, granitic soil along disturbed bank. Perennial herb, with blueish violet flowers. Mostly sun. South facing slope. Uncommon. 1841 Comment
  UCR261295  Penstemon laetus L. S. Rose 1968-6-9 68070 Placer Sierra Nevada Mtns., Alta 1067 Comment
  SD243211  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill. 1402 Comment
  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
  CAS-BOT-BC239282  Penstemon newberryi var. berryi Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe Comment
  CAS-BOT-BC239284  Penstemon newberryi var. berryi A. A. Heller 1917-6-18 12710 Placer Along the Yuba River below Cisco 1645 Comment
  CDA15981  Penstemon roezlii G. F. Hrusa, J. Glazner 1999-7-17 15184 d Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  POM315780  Penstemon roezlii Katherine Brandegee 1910-07 11471 Placer Emigrant Gap. Comment
  UC566032  Penstemon roezlii G. T. Nordstrom 1934-6-19 122 Placer 0.5 mi ne of mouth Monumental Creek; Colfax Quad. 1463 Comment
  UC579459  Penstemon roezlii N. French 1934-5-28 372 Placer 1 1/2 mi w Black Mountain; Tahoe National Forest, Colfax Quad., w of Black Mountain 1767 Comment
  CAS-BOT-BC239581  Penstemon rydbergii var. oreocharis L. S. Smith 1939-7-1 s.n. Placer Ice Lakes, Tahoe National Forest 609 Comment
  CHSC74130  Penstemon rydbergii var. oreocharis Susi Urie 1998-8-18 98 -065 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74277  Penstemon rydbergii var. oreocharis Susi Urie 1998-9-4 98 -247 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  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
  RSA3004  Penstemon speciosus Carl B. Wolf 1931-9-10 2418 Placer Shore of Lake Tahoe. Just NW of Chambers Lodge. 1921 Comment
  RSA437415  Penstemon speciosus Robert F. Thorne, J. Chandler 1987-6-26 5424 Placer CA Hwy 267, 3.2 mi S of Brockway Summit. Comment
  UCR208543  Pentagramma triangularis subsp. triangularis George K. Helmkamp, E. A. Helmkamp 2009-5-7 14609 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCD21671  Perideridia bolanderi Beth Lowe Corbin 1982-8-4 221 Placer 1/4 mile NW of Onion Creek campground. Flowers whitish cream. Bulb about 3-4 inches below ground. In rocky, fine, sandy soil. Full sun. SW facing slope, 15% incline. Locally abundant. 1950 Comment
  POM82426  Perideridia bolanderi subsp. bolanderi Marcus E. Jones 1882-5-28 3603 Placer Emigrant Gap. Comment
  CHSC73910  Perideridia lemmonii Susie Urie 1998-7-11 98 -008 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 35 W']. 2097 Comment
  CHSC74182  Perideridia lemmonii Susi Urie 1998-8-26 98 -113 Placer Eastern end of Page Meadows; abot 1.5 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 30 W']. 2121 Comment
  CHSC74350  Perideridia lemmonii Susi Urie; Eric Schroder 1998-9-10 98 -318 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. [Lat./long. on label is '39 12 N; 120 9 W']. 2072 Comment
  UCD75939  Perideridia parishii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5177 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  UCR226137  Perideridia parishii Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5149 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  CHSC74058  Perideridia parishii subsp. latifolia Susie Urie 1998-8-17 98 -044 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 35 W']. 2097 Comment
  UCD42830  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 196 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44517  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1883 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC419153  Persicaria maculosa Catherine Best 1985-9-15 1151 Placer Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  CAS-BOT-BC419304  Persicaria punctata Brighton C. Cain 1925-8-15 9 Placer 2 miles south of Auburn at Wise Power House Comment
  UC1585890  Petrorhagia dubia Barbara Ertter with David Thompson 1989-4-9 8187 Placer ca 8 airmi ne Auburn (Auburn-Forest Hill Road 6.2 mi sw of Spring Garden Road jct.) 609 Comment
  UCR207870  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2009-4-22 14576 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCD82832  Phacelia Robin McMaster 1973-6-3 448 Placer 2 mi W Lake Spaulding. Comment
  UC24423  Phacelia egena W. H. Brewer 1865-4-13 4580 Placer New Castle Comment
  UCD41261  Phacelia egena Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1718 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  JEPS127468  Phacelia hastata subsp. hastata Steve Matson 2003-7-4 822 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 50 meters north of Highway 267; 600 meters west of Martis Creek. Comment
  UCD149403  Phacelia heterophylla subsp. virgata G. Ledyard Stebbins 1976-7-4 7686 Placer Spring Hollow, E of Little Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS59364  Phacelia humilis Ezra Brainerd and Viola B. Baird 1915-7-10 113 Placer near Deer Park Inn; Sierra Nevada Mts. 1981 Comment
  POM65406  Phacelia humilis var. humilis Harriet Ann Walker 1910-6-13 2030 Placer Near Deer Park, in the Tahoe District. 1970 Comment
  CDA12381  Phacelia hydrophylloides G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8509 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  JEPS2109  Phacelia hydrophylloides C. F. Sonne 1888-7-1 390 Placer <?> on Truckee River Sierra Nevada Mountains Comment
  UC956796  Phacelia imbricata L. Constance 1951-5-20 3378 Placer on Loomis rd 4.5 mi n Folsom; Sacramento Valley 91 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
  UCD75824  Phacelia mutabilis Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5183 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail by creek. 2145 Comment
  UCR229536  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17857 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  RSA0009550  Phacelia mutabilis Marcus E. Jones 1882-6-30 2813 Placer Emigrant Gap. Comment
  RSA42327  Phacelia mutabilis Lincoln Constance 1946-7-2 3094 Placer Above Truckee River 1 mile southeast of Squaw Creek. 1829 Comment
  JEPS126292  Phacelia racemosa Steve Matson 2003-9-6 1042 Placer nSNH; Truckee river Watershed SW of Truckee; Squaw Valley; Shirley Canyon; along Granite Chief trail to PCT. Comment
  JEPS86486  Phacelia ramosissima var. montereyensis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6566 Placer ca 5 mi se Donner Lake (w of Tinker Knob); Sherman Chickering's Soda Springs holdings 2042 Comment
  JEPS111161  Phacelia ramosissima var. ramosissima Steve Matson 2005-7-16 1394 Placer Tahoe west shore, technically just outside the Tahoe Basin, about 900 meters northwest of Barker Pass/PCT trailhead, just past where PCT crosses stream. 39.0800 N 120.2429 W; elevation 8,000 ft. 2438 Comment
  JEPS73661  Phacelia stebbinsii L. R. Heckard 1973-6-18 3450 Placer s side of river about 1/2 mi e Star Town (site) (about 13 air mi ne of Foresthill); North Fork of Middle Fork of American River 1310 Comment
  SACT001691  Phalaris aquatica D. Meyer 1984-6-3 Placer 585.0 Comment
  JEPS74040  Phalaris arundinacea Virginia Bufford 1932-9-9 529 Placer along Truckee River; along Truckee River Comment
  CAS-BOT-BC259077  Phalaris lemmonii Gordon H. True 1971-5-26 6535 Placer Northern limits of Lincoln 48 Comment
  SACT001704  Phalaris lemmonii D. Meyer 1984-4-15 Placer Roadside appears to have been a vernal pool. Dry. 36.97 Comment
  UC1137147  Phalaris lemmonii August L. Hormay 1932-7-8 Placer w side Lake Tahoe (6 mi s of Tahoe Tavern); w side Lake Tahoe, s of Tahoe Tavern Comment
  SEINET5732662 Image available Philadelphus californicus Thomas G. Stewart 1973-1 37 Placer On Mosquito Ridge Road, 1.7 miles from its junction with Foresthill Road, east of Interstate 80. 1524 Comment
  SBBG50764  Philadelphus lewisii H. Fong 1973-5-27 146 Placer Mosquito Ridge Rd, ca. 2 mi from French Meadows Rd jct 1524 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
  UCD44550  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1916 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SACT001748  Phleum pratense D. Meyer 1984-8-4 Placer Very wet roadside ditch hillside seeping water, shady. 1454.0 Comment
  SACT001753  Phleum pratense D. Meyer 1983-6-18 Placer Roadside drainage ditch. 412.0 Comment
  SACT001756  Phleum pratense D. Meyer 1983-8-7 Placer Near gate into ski area parking lot, moist meadow with many sedges 207.0 Comment
  UC172696  Phlox diffusa Kellogg 1870-6-16 Placer Cisco Sierra Nevada Comment
  UCD21970  Phlox diffusa Rex Palmer 1979-6-9 N 163 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  CDA12402  Phlox gracilis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8530 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS72021  Phoenicaulis cheiranthoides Gladys L. Smith 1972-6-20 3204 Placer Ward Peak, about terminus of Summit chairlift Ward Peak 2621 Comment
  UCD162875  Phoenicaulis cheiranthoides Jack Major 1962-6-3 s.n. Placer Granite Chief Wilderness. Top of Ward Peak. (Exact location unknown. Coordinates estimated by label maker.) 2632 Comment
  UC1078887  Phoradendron juniperinum Job Kuijt 1957-8-9 1408 Placer near Immigrant Gap (1. mi. e. of Nevada-Placer Co. line) Comment
  SEINET12230738  Phoradendron libocedri I. L. Wiggins 1930-1 5084 Placer near Cisco 1981 Comment
  JEPS48535  Phyllodoce breweri L. S. Smith 1927-8-12 2238 Placer Tahoe National Forest, Squaw Creek-Upper Basin Squaw Creek-Upper Basin; Tahoe National Forest, Squaw Creek-Upper Basin 2286 Comment
  SEINET7270713  Phyllodoce breweri W. D. Billings 1951-8-21 2151 Placer Sierra Nevada, east side of Granite Chief 2621 Comment
  UCD19424  Phytolacca americana var. americana A. M. Shapiro 2001-9-20 s.n. Placer Dutch Flat Powerhouse Road, ca. 2.2 km past jct. with Nary Red Rd. [vic. of Alta]. 830 Comment
  CHSC84562  Pilularia americana John Dittes 2003-5-25 2003 -21 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  UCSB45757  Pilularia americana Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65. Comment
  SEINET6166094  Pilularia americana H. N. Mozingo 1972-1 72 -1 Placer Sacramento Valley, just north of Lincoln Comment
  UC1021595  Pilularia americana W. A. Weber 1953-5-19 8396 Placer 5 mi n Roseville (on rd. to Lincoln) 45 Comment
  JEPS73151  Pinus albicaulis Gladys L. Smith 1972-8-25 3422 Placer summit area Granite Chief 2775 Comment
  UCD23232  Pinus contorta subsp. murrayana Beth Lowe Corbin 1982-8-18 371 Placer 1 mile southwest of The Cedars. 1844 Comment
  SEINET11738786  Pinus contorta var. murrayana H. H. Heller 1934-1 s.n. Placer Lake Tahoe Comment
  SEINET5334621  Pinus jeffreyi W. D. Billings 1943-1-17 1586 Placer Truckee River canyon between Truckee & Tahoe City Comment
  UC1134049  Pinus monticola R. Wilson 1934-9-20 78 Placer Granite Chief Mtn. Truckee Quad., , Tahoe National Forest 2743 Comment
  SEINET5334725  Pinus monticola W. D. Billings 1951-8-21 2152 Placer E. side of Granite Chief, Sierra Nevada 2621 Comment
  SBBG24261  Pinus murrayana E. R. Blakley 1960-8-30 3798 Placer Lake Tahoe at mouth of Carnelian Crk 1905 Comment
  CAS-BOT-BC72886  Pinus ponderosa Saichi Kawahara 1969-5-25 1023 Placer Ridge east of old cabin, Mel Henderson Ranch, Indian Creek. 1036 Comment
  UCD15411  Pinus ponderosa Lorraine Prunier 1982-5-22 22 Placer at Yuba Pass on Hwy 49. 2286 Comment
  JEPS24552  Pinus ponderosa M. B. Pratt 1936-3-3 Placer e of Sacramento (on grounds of Weimer Sanitarium); Sierra Nevada, Weimar, Weimer Sanitarium Comment
  HSC89614  Pinus sabiniana Brent Helm, Curtis Miller, Mark Steiger 1988-3-28 33 Placer Shingle Springs, MDBM 1621 Shadydale Ln., Bulk Collection # 33a 457 Comment
  SD112167  Pinus sabiniana Darley F. Howe 1948-5-22 1819 Placer 669 Comment
  SEINET5334783  Pinus sabiniana P. L. Comanor, B. Clark; B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on CA 194, Winding rd.,past parkng. area, down path approx. 60 meters, near rd. approx 20-25 meters Comment
  UCR218239  Piperia elongata George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16440 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  CAS-BOT-BC227971  Plagiobothrys Geo. B. Grant 1906-8-15 6932 Placer Tahoe Tavern, Lake Tahoe Comment
  HSC82625  Plagiobothrys austiniae Thomas W. Nelson, Jane P. Nelson 1979-4-11 4608 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UC882301  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer ca 1 mi w Baxter Comment
  RSA99003  Plagiobothrys bracteatus L. S. Rose 1953-5-19 8391 Placer 5 miles N of Roseville on road to Lincoln. 49 Comment
  JEPS113117  Plagiobothrys fulvus Lowell Ahart, Brian Williams 2007-4-13 13636 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SD62098  Plagiobothrys fulvus var. campestris D. F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. 456 Comment
  JEPS113116  Plagiobothrys greenei Lowell Ahart, Brian Williams 2007-4-13 13637 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCR198419  Plagiobothrys greenei George K. Helmkamp, E. A. Helmkamp 2008-4-17 13288 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CHSC82582  Plagiobothrys hispidulus Lowell Ahart 2002-7-22 9881 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
  UC78171  Plagiobothrys hispidulus Alice Eastwood 1898-6-12 Placer Summit Soda Springs Comment
  UC480693  Plagiobothrys hispidus H. F. Copeland 1931-7-29 Placer n end of Lake Tahoe; n end Lake Tahoe Comment
  UC1618221  Plagiobothrys nothofulvus Barbara Ertter with David Thompson 1989-4-8 8151 Placer Iowa Creek Rd. ca. 2 mi. from I-80 near entrance to Aubrun State Recreation Area (at creek crossing) 518 Comment
  UCD13197  Plagiobothrys nothofulvus Charles Martin 1986-4-27 23 Placer California. Placer Co. Near Folsom Lake. W end of Sierra Dr. in empty lot. Elev. ca. 430 ft. 131 Comment
  UCR207899  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14583 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  UCR238575  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18646 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UCR253123  Plagiobothrys nothofulvus George K. Helmkamp, Amy Barnes 2014-4-23 22820 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  POM71637  Plagiobothrys scouleri var. hispidulus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCSB5648  Plagiobothrys stipitatus Constance, Lincoln 1941-5-28 Placer Two miles north of Lincoln, Sacramento Valley 60 Comment
  CHSC96475  Plagiobothrys stipitatus var. micranthus Lowell Ahart; Brian Williams 2007-4-13 13638 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCR249588  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20282 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SD211648  Plantago erecta Barbara Ertter, David Thompson 1989-4-9 8191 Placer Auburn-Forest Hill Road, 6.2 miles southwest of Spring Garden Road junction; ca. 8.0 airmiles northeast of Auburn. 609 Comment
  RSA21993  Plantago lanceolata Kate Eastwood Phelps 1937-5-28 s.n. Placer Applegate. Comment
  UCR258216  Plantago major George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20055 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
  SEINET9164073  Plantago major L. R. Miller 1934-7-8 s.n. Placer Cisco. 1707 Comment
  HSC97407  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1974-7-20 386 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 2058 Comment
  POM196060  Platanthera leucostachys G. W. Fetters 1929-7-10 s.n. Placer Near Pomins [Tahoe Hot Tubs], Lake Tahoe Comment
  JEPS51626  Platystemon californicus Leland S. Smith 1926-4-16 1776 Placer Forest Hill ridge below Yankee Jim; Tahoe Forest, Forest Hill ridge below Yankee Jim 609 Comment
  SEINET5340048  Platystemon californicus J. Ridley 1959-3-29 3 Placer 2 miles north of Roseville in open field one mile east of Hwy 99. 49 Comment
  SEINET5340050  Platystemon californicus P. A. Lehenbauer 1937-4-11 s.n. Placer Near Lincoln. 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
  UC1137074  Poa August L. Hormay 1933-5-24 Placer foothills w of Auburn Comment
  SACT001779  Poa annua D. Meyer 1983-5-15 Placer In field at southeast corner 36.6 Comment
  SEINET7708966  Poa annua A. Tiehm, H. N. Mozingo; M. J Williams; E. McPherson 1975-1 604 Placer One mile north of Lincoln. Comment
  CAS-BOT-BC254756  Poa bolanderi John Thomas Howell 1943-7-22 18711 Placer Summit Valley Comment
  CAS-BOT-BC254761  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer Along the Yuba River below Cisco 1676 Comment
  SACT001803  Poa bolanderi James Grove 1977-7-15 Placer 2000.0 Comment
  UC60808  Poa bolanderi J. Burtt Davy Jun 25 1897-Jun 30 1897 3255 Placer Truckee to Tahoe Truckee River Basin Comment
  UCD90547  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer Along the Yuba River. Below Cisco. 1676 Comment
  UCD90549  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer north of Summit hotel. 2164 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
  CDA36871  Poa bulbosa CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCD90682  Poa bulbosa Walter H. Johnson 1961-4-4 s.n. Placer 3 miles E of Lincoln. Comment
  UCR250355  Poa bulbosa George K. Helmkamp, Mary Alice Barnes 2013-5-3 20491 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  CAS-BOT-BC247258  Poa palustris Beecher Crampton 1956-7-17 3727 Placer 3/4 mile west of Blue Canyon 1432 Comment
  SACT001896  Poa palustris D. Meyer 1983-8-7 Placer 8.5 km south of placer county line. Moist wooded area at Louisiana Pacific Private Forest enterance. 1758.0 Comment
  SACT001897  Poa palustris D. Meyer 1983-8-7 Placer 3 km north of Fanny Brodge, Tahoe City along Truckee River east bank. 1879.0 Comment
  UCD37045  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Placer County, 0.75 mile west of Blue Canyon. Comment
  SACT001919  Poa pratensis D. Meyer 1983-8-7 Placer Near gate into ski area parking lot moist meadow with many sedges. 207.0 Comment
  UCD44658  Poa pratensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2024 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC74345  Poa pratensis subsp. pratensis Susi Urie 1998-9-1 98 -189 Placer Lake Tahoe Basin-National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  SACT001886  Poa pringlei Michael Baad 1976-7-21 Placer Ridge at the line west north west of Lyon Peak, and north-facing slope at crest of Lyon Peak. 10 miles southeast of Soda Springs. 2377.0 Comment
  SEINET10888254  Poa sandbergii A. Arthur Heller 1917-6-19 Heller 12728 Placer Dry gravelly ridge, Emigrant Gap, in the yellow pine belt. 1615 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
  SACT001981  Poa scabrella Michael Baad 1983-5-7 Placer 2 miles east of Colfax rocky opening disturbed area. 978.0 Comment
  SACT001984  Poa scabrella Michael Baad 1983-5-5 Placer 1.5 mile southeast of Yankee Jim Road from Junction with Canyon Way Road, south of Colfax 548.64 Comment
  SACT002012  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  SD44636  Poa secunda Darley F. Howe 1951-5-2 Placer 4 miles north of Auburn 456 Comment
  CHSC74050  Poa secunda subsp. juncifolia Susi Urie 1998-9-1 98 -194 Placer Lake Tahoe Basin--National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  UCD22235  Poa secunda subsp. juncifolia Rex Palmer 1979-6-21 N 372 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS70662  Poa secunda subsp. secunda Leland S. Smith 1925-6-27 1652 Placer Balckwood Canyon, also Ward Creek Balckwood Canyon; Tahoe Forest 1920 Comment
  UC1132836  Poa secunda subsp. secunda B. Bolt 1934-7-4 77 Placer Sawtooth Ridge; Tahoe Nat'l Forest, Colfax Quadrangle Comment
  UC70956  Poa secunda subsp. secunda J. Burtt Davy Jun 25 1897-Jun 30 1897 8209 Placer rd to Tahoe; Truckee River Basin Comment
  UC821094  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer ridge nw of Donner Pass 2377 Comment
  CAS-BOT-BC244155  Poa sierrae G. L. Stebbins 1978-5-27 7872 Placer E side of Big Crater 1341 Comment
  UCD52760  Podagrostis humilis R. Tofsrud 1951-7-1 s.n. Placer near Campton's store, Hwy. 40 (above Nayak). Comment
  POM70309  Pogogyne douglasii Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  RSA0024682  Pogogyne zizyphoroides L. S. Rose, W. A. Weber 1953-5-19 8392 Placer 5 miles N of Roseville on road to Lincoln. 49 Comment
  UCD21615  Polemonium californicum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1259 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  CAS-BOT-BC170302  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax Comment
  JEPS43024  Polygala cornuta var. cornuta K. Brandegee Sept. 1888 Placer Blue Canyon Comment
  JEPS59446  Polygala cornuta var. cornuta Ezra Brainerd and Viola B. Baird 1915-7-31 172 Placer Nevada City Sierra Nevada Mts. 1524 Comment
  SD244200  Polygala cornuta var. cornuta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountain Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill (Westville 7.5'Q) 1052 Comment
  UC1130351  Polygala cornuta var. cornuta N. French 1934-6-15 410 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UCR231848  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2010-8-11 16755 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  CAS-BOT-BC414308  Polygonum aviculare subsp. neglectum A. A. Heller 1917-8-12 12876 Placer Southern Pacific reservoir west of Emigrant Gap Comment
  POM104622  Polygonum bistortoides Marcus E. Jones 1903-6-28 s.n. Placer Emigrant Gap Comment
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Sep 7 2010
  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
  JEPS126269  Polygonum californicum Steve Matson 2003-6-9 826 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters South north of Martis Dam Road, 20 meters north of airport creek, 200 meters NW of vernal pools north of Highway 267. Comment
  UC1136185  Polygonum davisiae N. French 1934-6-22 446 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle Comment
  CAS-BOT-BC414538  Polygonum douglasii R. F. Hoover 1967-9-5 10829 Placer Carnelian Bay, Lake Tahoe Comment
  OBI10858  Polygonum douglasii Robert F. Hoover 1967-9-5 10829 Placer Carnelian bay, Lake Tahoe Comment
  RSA97516  Polygonum douglasii Beecher Crampton 1955-7-13 3015 Placer Placer-Nevada County border, along Hwy 20, 1.5 miles N of Emigrant Gap. 1372 Comment
  CHSC74248  Polygonum douglasii subsp. douglasii Susie Urie; Eric Schroder 1998-9-8 98 -278 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  RSA104567  Polygonum kelloggii Marcus E. Jones 1882-7-11 s.n. Placer Emigrant Gap Comment
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Sep 7 2010
  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
  UC849102  Polygonum phytolaccifolium A. A. Heller 1917-8-14 12934 Placer s Summit Valley; Mt. Lincoln 2438 Comment
  UC702888  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1941-7-18 41324 Placer Chambers Lodge (McKinney) Lake Tahoe 1920 Comment
  UCR253501  Polygonum punctatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20091 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  UC1136153  Polygonum shastense N. French 1934-6-22 470 Placer 1/2 mi w Lake Van Norden; Tahoe N.F., Truckee Quadrangle Comment
  RSA689954  Polypodium californicum Elizabeth Flint 1930-1 101 Placer American River bridge, near Auburn 457 Comment
  CAS-BOT-BC232989  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch Rubicon River Comment
  CAS-BOT-BC227192  Polypogon monspeliensis R. K. Brummitt 1997-6-12 19714 Placer 10 km NW of Auburn at junction of Mt. Vernon Road and Joeger Road 300 Comment
  UC42160  Polystichum imbricans W. H. Brewer 1863-1 2167 Placer Squaw Valley Pass 2438 Comment
  JEPS33239  Polystichum imbricans subsp. curtum Matt Herbrand 1917-12-20 Placer 1524 Comment
  CAS-BOT-BC76758  Polystichum imbricans subsp. imbricans Gordon H. True 1968-4-17 4165 Placer Hwy. 80 near Alta. 1097 Comment
  UCD22301  Populus tremuloides Beth Lowe Corbin 1982-8-5 253 Placer Onion Creek campground. In sandy, granitic soil near streambed. Tree about 25' high; bark white papery, leaves quaking. Mostly sun. SW facing slope, 15% incline. Uncommon. 1841 Comment
  CAS-BOT-BC105579  Populus trichocarpa M. E. Parsons 1909-1-1 s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC453920  Potamogeton pectinatus Mary Strong Clemens 1920-9-1 s.n. Placer (Lake) Tahoe City 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
  CDA11990  Potentilla glandulosa subsp. glandulosa G. F. Hrusa 1995-5-2 12171 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCR190661  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2007-5-23 12072 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  CHSC79355  Potentilla glandulosa subsp. reflexa Beecher Crampton 1972-6-20 8827 Placer Upslope from Bear Valley, State Hwy 20. 1402 Comment
  CHSC79564  Potentilla glandulosa subsp. reflexa G. F. Hrusa; J. Glazner 1999-7-18 15220 Placer Northern California. The Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Above Squaw Creek just above Hwy 89 bridge. 1889 Comment
  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
  UCD22272  Potentilla gracilis Rex Palmer 1979-7-9 N 435 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS111220  Potentilla gracilis var. elmeri Steve Matson 2005-6-15 1284 Placer Martis Valley, ca 3 miles southeast of Truckee, north of 267, just west of Martis Creek; 39.3030 N, 120.1209 W; Elevation 5840 ft. 1780 Comment
  CHSC74255  Potentilla gracilis var. fastigiata Susi Urie 1998-8-29 98 -161 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  SEINET11261737  Potentilla gracilis var. fastigiata George Helmkamp, E. A. Helmkamp 2011-7-26 17895 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, .9 mile north of its junction with CA Hwy 20, .85 mi. NE (231/4) of emigrant Gap and N of I-80 (Blue canyon 7.5' Q); 0 1434 Comment
  UCD44603  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1969 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 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
  SEINET6637126  Potentilla gracilis var. fastigiata F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  UC14226  Potentilla gracilis var. fastigiata Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe, Cascade Comment
  UC1128227  Potentilla gracilis var. flabelliformis H. S. Yates 1934-6-29 3899 Placer near Tahoe City; Tahoe National Forest, Truckee Quad. Comment
  CHSC118021  Poterium sanguisorba G. K Helmkamp; E. A Helmkamp 2007-9-14 12959 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  JEPS126258  Primula jeffreyi Steve Matson 2002-5-26 525 Placer North Shore; Tahoe Vista; Snow Creek Watershed. Comment
  JEPS13874  Primula suffrutescens C. J. Kraebel 1955-8-19 Placer above Squaw Valley Squaw Mountain (w of the upper Truckee River Canyon); , , w Upper Truckee River Cy 2438 Comment
  POM131210  Primula suffrutescens C. F. Sonne 1895-08 s.n. Placer E slope Mt. Anderson S of summit. 2439 Comment
  UC197214  Primula suffrutescens C. F. Sonne 1897-8-14 Placer e slope Mt. Anderson; Sierra Nevada, e slope Mt. Anderson 2438 Comment
  SCFS1027  Prunella vulgaris E. Krimmel 2014-7-5 Placer Near the creek. Comment
  UCD22026  Prunella vulgaris var. lanceolata Beth Lowe Corbin 1982-8-5 250 Placer Onion Creek campground. In wet soil along stream's edge. Corolla upper lip purplish, lower lip white tinged with pink. Weak stems. Mostly sun. SW facing slope, 15% incline. Occasional. 1841 Comment
  UCR249992  Prunella vulgaris var. lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20807 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UC481517  Prunus emarginata G. W. Fetters 1929-6-20 Placer Lake Tahoe, Homewood Creek Homewood Creek; Lake Tahoe, Homewood Creek Comment
  UCD22278  Prunus emarginata Rex Palmer 1979-6-21 N 396 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC151205  Prunus virginiana var. demissa Baki Kasapligil 1974-10-6 4911 Placer Soda Springs, Sugar Bowl 1828 Comment
  SD133933  Pseudobahia heermannii Barbara Ertter, David Thompson 1989-4-8 8165 Placer Iowa Creek Road, 2.0 miles from I-80 near entrance to Auburn State Recreation Area. 519 Comment
  UC1585836  Pseudobahia heermannii Barbara Ertter with David Thompson 1989-4-9 8195 Placer halfway down road to Lake Clementine (= North Fork Lake); Auburn Comment
  UCR232634  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2010-7-28 16639 Placer Northern Sierra Nevada Mountains, Forest Route 10 (Sugar Pine Rd.), 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34 deg. ) of Foresthill 1311 Comment
  JEPS34003  Pseudognaphalium stramineum W. H. Shockley Jun 1886 Placer Auburn Comment
  CHSC43333  Pseudotsuga menziesii var. menziesii Lowell Ahart 1973-3-29 189 Placer Near Volcano Canyon, east of Foresthill. 1371 Comment
  JEPS82164  Psilocarphus brevissimus var. brevissimus Wilma Follette 1978-7-12 Placer Page Meadows 1981 Comment
  CAS-BOT-BC361844  Psilocarphus oregonus John Thomas Howell; Gordon H. True 1971-5-26 47635 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC361894  Psilocarphus tenellus R. Bacigalupi; McMinn; Mason 1926-5-28 1501 Placer At Rose Springs, about halfway between Folsom & Loomis. Southern Placer County Comment
  UCD23229  Pteridium aquilinum var. pubescens Beth Lowe Corbin 1982-8-3 194 Placer Hill west of Onion Creek campground. 1853 Comment
  RSA690889  Pteridium aquilinum var. pubescens Viola N. Poole 1929-11 121 Placer Summit, near Southern Pacific Comment
  CDA39026  Pterospora andromedea D. G. Kelch 2011-10-3 11 .825 Placer Tahoe City. Granlibakken Resort. Comment
  CAS-BOT-BC460524  Pterospora andromedea Alice Eastwood 1912-6-15 478 Placer Lake Tahoe Region: Deer Park Comment
  POM82025  Pteryxia terebinthina Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UCR146667  Puccinellia distans Beecher Crampton 1967-7-26 8155 Placer Sierra Nevada Mountains, near Nevada County line in Kingvale on Interstate-80 1951 Comment
  CHSC107004  Pueraria lobata William J. Ferlatte; D. Mitani, M. Keffer 1977-9-22 1901 Placer Kuska property, ca 2 miles NW of Weimar off of Placer Hills Rd. 609 Comment
  UCD34034  Purshia tridentata Beecher Crampton 1975-9-22 9289 Placer Martis Valley, Truckee-Tahoe airport area, ca. 2.5 miles SE of Truckee. Comment
  UCD34554  Purshia tridentata Beecher Crampton 1985-6-23 9999 Placer North Shore Lake Tahoe, Stateline Road. 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
  UC32691  Pyrola picta A. M. Carpenter Aug 1892 Placer Sierra Nevada Mts. Comment
  SEINET12528240 Image available Pyrola picta f. aphylla A. P. Kelley 1925-1 763 Placer Among rocks on north slope of canon under conifers. Comment
  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
  SACT002682  Quercus Josephine Van Ess 1978-9-8 Placer Collected on horsetrail north from boat launhcing area. Only a short way along the trail going up over small ridge. Among other oaks on south-facing hill. 176.8 Comment
  UCD40290  Quercus Rodney Gale Myatt 1972-6-1 s.n. Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  UCD82847  Quercus Rodney Gale Myatt 1972-6-1 s.n. Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  CAS-BOT-BC104262  Quercus X morehus R. R. Miller 1959-5-1 s.n. Placer N side of highway, just off shoulder, ca. 1/4 mile E of the Monte Vista cutoff on US Highway 40, ca. 6 miles E of Auburn Comment
  UCD47000  Quercus X morehus Stanley F. Bailey 1962-10-26 s.n. Placer North side of road to Kilaga Springs, 1/2 mile east of McCourtney Road, ca. 5 miles north of Lincoln, Placer County, California. Comment
  CDA20384  Quercus berberidifolia P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  SACT002615  Quercus chrysolepis Josephine Van Ess 1976-9-29 Placer Collected a short way upstream from old Foresthill Bridge. Rocky steep streambank. Comment
  SJSU10143  Quercus chrysolepis A. W. Jacobs 1936-9-4 Placer E side of narrow gulch 1 mi NE of Colfax 762 Comment
  SEINET9005619  Quercus chrysolepis P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on Calif. 194. Winding road, plot located on the right, past parking area, down path approx. 60 meters. 1676 Comment
  CAS-BOT-BC86612  Quercus douglasii Alice Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  CDA16972  Quercus durata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16025 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCD45933  Quercus durata G. F. Hrusa 1995-5-20 12188 Placer Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. 39 deg. 01' N, 120 deg. 50' W. Placer County 600 m. 600 Comment
  CAS-BOT-BC105304  Quercus kelloggii M. S. Jussel 1930-7-1 s.n. Placer Camp Baxter, North Fork of the Stanislaus River 1676 Comment
  CAS-BOT-BC105463  Quercus kelloggii Miss. A. Eastwood 1894-9-1 s.n. Placer Colfax Comment
  SBBG50715  Quercus kelloggii R. F. Denno 1967-5-6 75 Placer 1.5 mi N of Colfax, S of Bear River Comment
  UCSC009999  Quercus kelloggii Al Keuter 2014-6-15 00 101 B Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  SEINET10431645  Quercus kelloggii H. Mozingo 1977-3-19 77 -3 Placer Sierra Nevada, 2 miles S of Auburn, near junction of North and Middle Forks of American River; along trail on North Fork, W side of river above bridge. 274 Comment
  SACT002715  Quercus vacciniifolia Michael Baad 1983-7-10 Placer 0.8 mile by road southeast of east fork of north fork of north fork of American River on road to Hellister Point from Emigrant Gap. Comment
  SEINET10437506  Quercus vacciniifolia T. C. Frantz 1951-5-22 s.n. Placer N end of Lake Tahoe, next to NV state line. Comment
  CHSC114159  Quercus wislizeni G. K. Helmkamp; E. A. Helmkamp 2010-4-17 15883 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA 49 near Pilot Hill. 314 Comment
  UC405494  Quercus wislizeni Francis Ramaley 1917-4-24 11144 Placer Auburn Comment
  UCR238580  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2012-3-31 18654 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SEINET5501119 Image available Raillardella argentea Sally Walker 1982-8-4 Placer Above ski area, Tahoe. Comment
  CAS-BOT-BC379274  Ranunculus alismifolius var. alismellus C. F. Sonne 1886-6-20 3 Placer grassy shady place above Donner Lake, Placer and Nevada Counties Comment
  CAS-BOT-BC379281  Ranunculus alismifolius var. alismellus John Thomas Howell 1943-7-26 18843 Placer Mt. Lincoln Comment
  CAS-BOT-BC379377  Ranunculus alismifolius var. hartwegii Jean L. Thomson 1944-5-14 s.n. Placer Trout Creek near Truckee Comment
  CAS-BOT-BC379391  Ranunculus alismifolius var. hartwegii Anna Head 1921-6-12 s.n. Placer Feather River Region, Lake Independence Comment
  CAS-BOT-BC379438  Ranunculus alismifolius var. hartwegii E. R. Drew 1925-5-18 s.n. Placer Hobart Mills Comment
  CHSC73984  Ranunculus aquatilis var. capillaceus Susi Urie 1998-8-19 98 -082 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UC827616  Ranunculus aquatilis var. capillaceus Alice Eastwood Jun 15 1912-Jun 19 1912 454 Placer Deer Park Lake Tahoe Region Comment
  JEPS127528  Ranunculus aquatilis var. diffusus Steve Matson 1998-7-12 328 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Highway 267, west of Martis Creek, close to highway rampart. Comment
  CAS-BOT-BC378966  Ranunculus bonariensis J. W. Congdon 1894-4-2 s.n. Placer Roseville Comment
  SBBG128854  Ranunculus bonariensis var. trisepalus G. K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer S of Lincoln along Athens Ave, 1.6 mi E of Fiddyment Rd, 0.6 mi W of Industrial Ave 41 Comment
  SEINET4560740  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-1 17253 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
  UCD44426  Ranunculus californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1792 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD35915  Ranunculus muricatus B. Crampton 1953-4-21 1117 Placer Sunnybrook Farms, 2 miles North of Lincoln. Comment
  CHSC73190  Ranunculus occidentalis L. P. Janeway 1998-8-6 5983 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UC827913  Ranunculus occidentalis C. L. Hitchcock 1940-5-7 6312 Placer ca 1 mi w Baxter Comment
  UCR208589  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14665 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  SEINET5338808  Ranunculus occidentalis D. Brix 1962-3-17 s.n. Placer 3 1/2 miles NE of Auburn. 518 Comment
  UCSB22651  Ranunculus occidentalis Orr, K. 1966-4-5 Placer Along Goldrun Rd., 1.2 mile northeast of Interstate 80, Sierra Nevada foothills 1066 Comment
  POM259995  Ranunculus occidentalis var. eisenii C. L. Hitchcock 1940-5-7 6312 Placer 1 mile west of Baxter. Comment
  JEPS127533  Ranunculus occidentalis var. ultramontanus Steve Matson 2000-7-13 484 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, south of Hwy 267, 200 m south of Parking area, on Martis Creek. Comment
  UC9469  Ranunculus orthorhynchus var. orthorhynchus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD42908  Ranunculus populago C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 276 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET3082372  Ranunculus uncinatus Marcus E. Jones 1882-6-28 3308 Placer Emigrant Gap. Comment
  SEINET11526778  Raphanus raphanistrum Vetter 1955-4-23 8 Placer 0.5 mile W of Loomis. Comment
  CAS-BOT-BC59527  Rhamnus alnifolia Carl B. Wolf 1937-9-4 9287 Placer Sierra Nevada, NW. of Lake Tahoe, 1 mi. below (E. of) Deer Park 1981 Comment
  CAS-BOT-BC59532  Rhamnus alnifolia Gordon H. True 1973-5-27 7499 Placer West bank of Truckee River at Deer Creek ca. 6 miles south of Truckee and 1 mile north of Squaw Valley 1841 Comment
  CAS-BOT-BC59533  Rhamnus alnifolia Gordon H. True 1973-5-27 7498 Placer Deer Creek ca. 6 mi. S. of Truckee & 1 mi. north of Squaw Valley 1889 Comment
  CDA25008  Rhamnus alnifolia J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  POM85017  Rhamnus tomentella subsp. tomentella Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
Read comments
Sep 3 2010
  UC1121762  Rhamnus tomentella subsp. tomentella N. French, R. Clar 1933-6-2 64 Placer near Clipper Gap; Sacramento Quad. 609 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-BC58200  Rhododendron columbianum L. S. Smith 1925-8-14 1706 Placer Robertson Flat pasture. Tahoe forest. 1981 Comment
  CAS-BOT-BC56651  Rhododendron occidentale Saichi Kawahara 1969-7-6 1455 Placer Meadow, Mel Henderson Ranch, east bank of Indian Creek 975 Comment
  RSA31127  Rhododendron occidentale A. A. Heller 1917-6-19 12743 Placer 8 mi E of Colfax. Comment
  SBBG59931  Rhododendron occidentale M. N. Ackley -Jun-1925 328 Placer Towle 1127 Comment
  UC22142  Rhododendron occidentale Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  CAS-BOT-BC200395  Rhododendron occidentale var. paludosum A. A. Heller 1917-6-19 12743 Placer 8 miles east of Colfax Comment
  CAS-BOT-BC438104  Ribes Saichi Kawahara 1969-5-24 848 Placer Near garden, Henderson Ranch, Indian Creek 1005 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-BC108705  Ribes cereum Geo. B. Grant 1906-7-15 6978 Placer Tahoe Tavern Lake Tahoe. 1889 Comment
  UC212402  Ribes cereum G. B. Grant 1902-7-17 1458 Placer Alta Peak Comment
  UCD102139  Ribes cereum Christine Patino 1976-5-31 29 Placer 1 mile northeast of Tahoe City near Highway 28 on Lake Forest Road. Comment
  CAS-BOT-BC219202  Ribes nevadense Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC219204  Ribes nevadense Alice Eastwood 1909-1-1 178 Placer Sunnyside Comment
  RSA0023139  Ribes nevadense Wm. Martin 1971-9-10 20263 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UC566286  Ribes roezlii B. Bolt 1934-7-17 141 Placer 1/2 mi s Lost Emigrant Mine; Truckee Quadrangle 2072 Comment
  UCD22360  Ribes roezlii Rex Palmer 1979-5-26 N 12 Placer Headwaters basin area of the North Fork of the American River. 2011 Comment
  RSA0018268  Ribes roezlii B. Bolt 1934-7-17 141 Placer 1/2 mile south of Lost Emigrant Mine. 2073 Comment
  SEINET13942761 Image available Ribes roezlii Peter H. Raven 1950-1 2423 C Placer El ca 4000 ft 1219 Comment
  CAS-BOT-BC168771  Ribes viscosissimum Margaret Williams 1974-8-8 74 -P1-14 Placer Murphy's Meadow, 5 miles southeast of Hirschdale - Sierra Nevada 2316 Comment
  UCR190587  Robinia pseudoacacia George K. Helmkamp, E. A. Helmkamp 2007-9-14 12958 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  CHSC73937  Rorippa curvisiliqua Susi Urie 1998-8-19 98 -079 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS103349  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-7-22 9882 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
  UC1191429  Rorippa subumbellata Malcolm A. Nobs, S. Galen Smith 1949-8-21 1512 Placer n end Lake Tahoe (between sandy beach and Agate Bay); n end Lake Tahoe, between sandy beach and Agate Bay Comment
  UCD115386  Rorippa subumbellata Malcolm A. Nobs; S. Galen Smith 1949-8-21 1512 Placer marsh between Sandy Beach and Agate Bay, north end of Lake Tahoe. Comment
  SEINET4560834  Rosa californica George K. Helmkamp, E. A. Helmkamp 2010-1 17026 Placer Northern Sierra Nevada Mountains Foothills: along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam. 1180 Comment
  CAS-BOT-BC147024  Rosa woodsii subsp. ultramontana Geo. B. Grant 1906-7-15 6991 Placer Tahoe Tavern, Lake Tahoe Comment
  UCD17674  Rubus H. Olmo; T. S. Mallah 1953-4-8 53 86 Placer California. Placer County: 1.0 mile south of Loomis. Comment
  POM366398  Rubus discolor Wm. Martin 1971-9-10 20214 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CAS-BOT-BC147176  Rubus parviflorus Frances Price 1919-1-1 s.n. Placer Lake Tahoe Comment
  JEPS127445  Rubus parviflorus Steve Matson 1998-7-27 339 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; middle fork Snow Creek Comment
  RSA634235  Rubus parviflorus Robert M. Rhode, B. Nemeth 1997-6-26 176 Placer Blackwood Creek Canyon (ca 4 miles S of Tahoe City). Near Blackwood Creek Canyon Road. About 0.3 miles W of turnoff from Hwy 89. 1921 Comment
  UC1128637  Rubus parviflorus N. French 1934-6-15 415 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UC14186  Rubus parviflorus W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Cascade Mts. vicinity of Lake Tahoe, Cascade Mts. 1897 Comment
  UCR231840  Rubus parviflorus George K. Helmkamp, E. A. Helmkamp 2010-8-14 16787 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-BC363204  Rudbeckia occidentalis Brandegee No date on label s.n. Placer Blue Canon [Canyon] Comment
  RSA0026096  Rumex John F. Emmel 1988-7-21 1113 Placer Sierra Nevada, Donner Pass area; along dirt road at north end of Lake Mary. 2159 Comment
  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
  UCD101614  Rumex salicifolius A. A. Heller 1917-6-19 12734 Placer Emigrant Gap. 1615 Comment
  JEPS73006  Rumex salicifolius var. denticulatus Gladys L. Smith 1972-6-18 3137 Placer meadow across from Alpine Meadows Lodge 2072 Comment
  JEPS39859  Rumex salicifolius var. triangulivalvis W. H. Shockley Jul 1886 Placer Auburn 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
  CAS-BOT-BC434300  Rumex triangulivalvis John Thomas Howell 1943-7-19 18589 Placer Summit Valley Comment
  UCD21928  Rumex triangulivalvis Beth Lowe Corbin 1982-8-11 324 Placer 1 1/2 mile WSW of Onion Creek campground. In fine, sandy soil in logged White Fir forest. Perennial, forming a loose clump. Calyx reddish. Full sun. SE facing slope, 20% incline. Uncommon. 2011 Comment
  UCD43029  Sagina saginoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 398 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC103062  Salix bonplandiana A. A. Heller 1917-6-19 12747 Placer 5 miles west of Colfax Comment
  CAS-BOT-BC103559  Salix eastwoodiae W. R. Dudley 1900-6-1 5347 Placer in north side of Independence Lake Comment
  CAS-BOT-BC103560  Salix eastwoodiae W. R. Dudley 1900-6-19 5280 Placer woods west of Independence Hotel Comment
  CAS-BOT-BC103615  Salix eastwoodiae W. R. Dudley 1900-6-14 5048 Placer Below the upper dam at Donner Lake Comment
  UCD22318  Salix eastwoodiae Rex Palmer 1979-7-11 N 590 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC13911  Salix geyeriana E. L. Smith 1971-6-17 973 A Placer At s end of Martis Valley ca. 11 kn se of Truckee. 1800 Comment
  CAS-BOT-BC108212  Salix hindsiana David D. Keck 1933-6-1 2436 Placer 1 mile south of Loomis on road to Rocklin Comment
  UC5021  Salix laevigata var. congesta unknown 1861-1 4632 Placer New Castle Comment
  UCD43159  Salix lasiandra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 527 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC125296  Salix lasiandra var. lasiandra James Moffitt 1926-8-22 s.n. Placer Lake Tahoe Comment
  CHSC13651  Salix lasiolepis E. L. Smith 1971-7-17 990 Placer At King's Beach. 1903 Comment
  CHSC13806  Salix lasiolepis E. L. Smith 1971-7-27 1014 Placer W end of Putt Reservoir just e of Blue Canyon Road ca. 2 mi w of Emigrant Gap. 1706 Comment
  CHSC9583  Salix lasiolepis E. L. Smith 1971-6-16 957 Placer Corner of Deer and Golden Streets next to Golden Deer Motel at King's Beach, on n edge of Lake Tahoe. Comment
  UCD80752  Salix lasiolepis CNPS SN Foothill Team 2005-4-13 SNFN 0107 e Placer Placer Legacy, Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  CAS-BOT-BC128474  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 11125 Placer Colfax Comment
  CAS-BOT-BC124763  Salix lemmonii W. R. Dudley 1900-6-20 5348 Placer on north side of Independence Lake Comment
  CAS-BOT-BC124767  Salix lemmonii Gordon H. True 1968-7-10 4365 Placer Hwy 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Road 1554 Comment
  CAS-BOT-BC124769  Salix lemmonii W. R. Dudley 1900-6-12 5009 Placer east side of Donner Lake Comment
  CAS-BOT-BC124775  Salix lemmonii W. R. Dudley 1900-6-14 5065 a Placer Between Donner Lake and Summit on loop grade Comment
  CAS-BOT-BC124780  Salix lemmonii W. R. Dudley 1900-6-12 51010 Placer Meadow east side of Donner Lake Comment
  CHSC72889  Salix lemmonii L. P. Janeway; Eric Schroder 1998-8-15 5771 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  RSA43814  Salix lemmonii D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 1707 Comment
  CAS-BOT-BC124758  Salix lemmonii L. S. Smith 1931-6-12 9 Placer Tahoe National Forest, Babbit Springs along road to Babbit L.O. 2133 Comment
  CAS-BOT-BC125099  Salix ligulifolia Helen La Plant 1964-6-1 s.n. Placer Ward Creek near Lake Tahoe Comment
  UCD44429  Salix orestera C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1795 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC129082  Salix scouleriana W. R. Dudley 1900-6-1 5532 Placer Above McKinney's near Maddens Cr. Comment
  LA210195  Salix scouleriana A. A. Heller; 1917-6-17 12694 Placer Sierra Nevada, Yuba River below Cisco 1676 Comment
  UC847121  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer along Yuba R. below Cisco; Yuba R 1676 Comment
  UCD22312  Salix scouleriana Rex Palmer 1979-7-12 N 641 Placer Headwaters basin area of the North Fork of the American River Comment
  SD241088  Salvia sonomensis George K. Helmkamp, E. A. Helmkamp 2010-4-17 15892 Placer Northern Sierra Nevada Moutains Foothills: Rattlesnake Bar Road, 8.0 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 321 Comment
  POM285025  Sambucus microbotrys Lyman Benson 1933-6-26 4547 Placer Donner Pass 2134 Comment
  JEPS72387  Sambucus racemosa var. microbotrys Gladys L. Smith 1972-6-20 3248 Placer steep slope just below Ward Peak summit 2628 Comment
  CDA24991  Sanguisorba annua J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SD241173  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-7-9 17673 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 1.4 miles northwest of the city of Foresthill (Foresthill 7.5'Q) 764 Comment
  CAS-BOT-BC157201  Sanguisorba officinalis G. K. Helmkamp; Amy Barnes 2009-7-12 15174 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UC1562643  Sanicula bipinnatifida Barbara Ertter with David Thompson 1989-4-8 8164 Placer 2 mi from I-80 near entrance to Auburn State Recreation Area (Iowa Creek Road); Iowa Creek Road 518 Comment
  UCR208551  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2009-5-11 14666 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  UCR235488  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2012-5-5 18933 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UCD15164  Sanicula crassicaulis Phyllis Adams 1982-5-30 56 Placer California, Placer Co.; in the American River Canyon; Comment
  JEPS98640  Sanicula graveolens O. Gomez and P. Vargas 1996-6-1 45 PV96 Placer between Tahoe City and Truckee, at N of Goose Meadow campground Comment
  SEINET5779691 Image available Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Chambers Lodge (McKinney), Lake Tahoe Comment
  UCD21591  Sanicula tuberosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1254 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UC495497  Sanicula tuberosa Merle Randall 1930-6-17 Placer w of Donner Lake (above Cisco, Big Bend Ranger Station); Big Bend Ranger Station 1767 Comment
  UCD117994  Sarcodes sanguinea C. J. W. 1913-7-2 162 Placer Emigrant Gap. Comment
  UCR120247  Sarcodes sanguinea George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5037 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC115030  Saxifraga bryophora C. F. Sonne 1897-8-14 Placer above Coldstream; Sierra Nevada Mountains Comment
  JEPS59419  Saxifraga odontoloma Ezra Brainerd and Viola B. Baird 1915-7-10 138 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1920 Comment
  JEPS59418  Saxifraga oregana Ezra Brainerd and Viola B. Baird 1915-7-4 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1889 Comment
  CAS-BOT-BC418383  Saxifragaceae Saichi Kawahara 1969-7-6 1459 Placer Meadow, Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  SDSU2326  Scandix pecten-veneris D. R. Harvey 1960-5-29 Placer Near Forest Hill. Comment
Read comments
Jun 16 2009
  RSA0101548  Sceptridium multifidum Winslow 1910-08 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CHSC73484  Scirpus congdonii L. P. Janeway; Eric Schroder 1998-9-16 6322 Placer Lake Tahoe Basin Management Unit - Forest Service. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. 2164 Comment
  CAS-BOT-BC110996  Scirpus microcarpus Margaret Williams 1974-8-8 74 -P1-11 Placer Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  UC1563887  Scleranthus annuus subsp. annuus Barbara Ertter with David Thompson 1989-4-8 8162 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  SEINET7249119  Scrophulariaceae George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  UCD83591  Scutellaria californica Albert Grigarick 2009-8-7 160 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1959 Comment
  UC25807  Scutellaria californica Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD101982  Sedella pumila Allan R. Magie 1957-4-14 120 Placer Auburn. Comment
  CAS-BOT-BC418389  Sedum Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region 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
  RSA0074845  Sedum obtusatum Lyman Benson 1933-6-26 4537 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  CAS-BOT-BC59086  Sedum spathulifolium Marcus E. Jones 1882-6-30 3345 Placer Emigrant Gap Comment
  CAS-BOT-BC62095  Selaginella hansenii G. Ledyard Stebbins 1969-11-30 6979 Placer West side of American River Canyon on road from Colfax to Iowa Hill 457 Comment
  UCD159864  Selaginella wallacei G. Ledyard Stebbins 1970-7-12 7052 Placer Bear River Canyon, 2 miles north of Alta. 1097 Comment
  UCD44703  Senecio hydrophiloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2069 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC363907  Senecio integerrimus var. exaltatus Alice Eastwood 1912-6-15 462 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC363909  Senecio integerrimus var. exaltatus Alice Eastwood 1912-6-15 418 Placer Five-lakes [Five Lakes], Lake Tahoe Region Comment
  UC567040  Senecio integerrimus var. exaltatus N. French 1934-6-21 434 Placer N end of Lake Cascade 2011 Comment
  CAS-BOT-BC364004  Senecio integerrimus var. major G. B. Grant 1906-7-15 7012 Placer Tahoe Tavern - Lake Tahoe Comment
  RSA569214  Senecio triangularis B. C. Templeton 1931-7-5 1511 Placer near Meek's Bay. 2280 Comment
  UCR171030  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2006-2-24 10070 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  UC1999910  Sericocarpus oregonensis subsp. californicus J. C. Semple, B. Semple 1995-9-20 10477 Placer Dutch Flats, Main Street; 1.3 km NE of Post Office. Comment
  NY429844  Sericotheca obovata C. F. Sonne 1886-7-17 s.n. Placer Truckee River Comment
  HSC26233  Setaria pumila Thomas W. Nelson 1972-11-25 706 Placer Beside Del Oro Rd., near Roseville, Ca Comment
  UCD32975  Setaria pumila Beecher Crampton 1965-9-13 7494 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  UCD92709  Setaria pumila Beecher Crampton 1965-9-13 7494 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCD55219  Setaria viridis A. M. Shapiro 2006-8-1 s.n. Placer Colfax; waste ground near railroad tracks. Comment
  CAS-BOT-BC213133  Sidalcea Peter Rubtzoff 1976-9-19 8867 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  SEINET3134727  Sidalcea glaucescens L. S. Rose 1938-9-14 38362 Placer South Fork of Yuba River, 3 mi. E of Cisco 1737 Comment
  UC1124951  Sidalcea glaucescens N. French 1934-6-22 484 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  UCR233458  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2011-8-26 18182 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  POM282876  Sidalcea glaucescens Lyman Benson 1933-6-26 4545 Placer 4 miles west of Donner Pass, Sierra Nevada, Bear River Watershed, Canadian zone, US 40. 1982 Comment
  SEINET8944245  Sidalcea glaucescens P. A. Lehenbauer 1932-6-26 s.n. Placer Lake Tahoe, near Tavern. Comment
  POM260017  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 miles N of Colfax Comment
  UCD13330  Sidalcea malviflora Kristy S. Howard 1989-6-3 220 Placer Placer CO., Highway 174. T15N, R9E Sect. 27, NW 1/4. Elevation 2000 ft. 609 Comment
  UCD15658  Sidalcea malviflora Jessica Le 1989-6-3 19 Placer Out of Colfax city, onto Rd 174. 609 Comment
  UC871507  Sidalcea oregana subsp. spicata Alice Eastwood 1909-1 62 Placer Sunnyside Lake Tahoe Region, Sunnyside Comment
  UCD21998  Sidalcea oregana subsp. spicata Beth Lowe Corbin 1982-8-13 345 Placer 3/4 mile west of The Cedars, in meadow. Flowers rose pink. Mostly sun. South facing slope, 15% incline. Occasional. 1676 Comment
  SEINET6165298  Sidalcea pedata Unknown 1982-1 Placer 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
  CDA11994  Silene californica G. F. Hrusa 1995-5-2 12175 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. 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
  SD243117  Silene douglasii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16772 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing (Duncan Peak 7.5'Q) 1552 Comment
  UC163966  Silene douglasii H. M. Hall 1910-7-4 8742 Placer near Cisco; near Cisco 1890 Comment
  POM89175  Silene douglasii var. douglasii Katherine Brandegee 1917-08 s.n. Placer Cisco Comment
  SEINET3245883  Silene gallica G. K. Helmkamp, E. A. Helmkamp 2010-1 15903 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  CAS-BOT-BC386895  Silene gallica John Thomas Howell; Gordon H. True 1971-5-26 47620 Placer northern limits of Lincoln 48 Comment
  SEINET5337189  Silene gallica D. H. Erskine 1941-4-28 17 Placer Roseville city limits. 76 Comment
  CAS-BOT-BC541422  Silene invisa G. Ledyard Stebbins; Charlotte Pyles 1979-7-31 s.n. Placer North slope of ridge betweejn Soda Springs, on North Fork American River, and Peak 2346 Comment
  CAS-BOT-BC388987  Silene laciniata subsp. californica Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4016 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  CAS-BOT-BC181345  Silene latifolia Margaret J. Williams; Dieter Schacht 1987-6-19 87- 20 -1 Placer Near Hwy 89, just west of Tahoe City 1905 Comment
  CHSC10828  Silene lemmonii Lowell Ahart 1969-7-30 Placer Handy Camp, French Meadows. 1524 Comment
  UC311414  Silene lemmonii Marcus E. Jones, A. M. 1882-6-27 Placer Emigrant Gap Comment
  UCD150319  Silene menziesii James A. Neilson Jr. Date unknown 1669 Placer Tahoe Basin, Lower Ward Creek, Section 232 C. 2011 Comment
  UC334581  Silene occidentalis subsp. occidentalis A. Kellogg Jun 1870 289 Placer Cisco Sierra Nevada, Cisco Comment
  CDA19548  Sisyrinchium elmeri M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 237 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  SACT002104  Sitanion hystrix Michael Baad 1976-6-10 Placer North-facing slope about .5 mile along trail into Duncan Canyon from French Meadows Road. Growing in openings in rich gravelly soil. Comment
  SACT002229  Sitanion hystrix D. Meyer 1983-7-3 Placer 5.4 miles north of Foresthill Road. 1234.44 Comment
  SACT002235  Sitanion hystrix Josephine Van Ess 1977-5-20 Placer Collected about 1.75 mile north of Hawk Logan Road on east-west portion of Garden Bar. Dry roadside bank. 85.4 Comment
  SACT002252  Sitanion jubatum D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Road. 978.0 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
  UCR191091  Smilacina racemosa George K. Helmkamp, E. A. Helmkamp 2007-6-12 12314 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  SDSU11161  Solanum parishii P. A. Munz 1951-5-2 2109 Placer 457 Comment
  UC1613935  Solanum umbelliferum Charles M. Belshaw 1935-6-8 1002 Placer between Colfax and Gold Run (near Baxter's Hotel, w side of Sierra Nevada); Sierra Nevada Comment
  RSA338635  Solanum umbelliferum Margaret J. Williams 1985-7-6 85- 63 -4 Placer Pacific Crest Trail between old and new Donner Summits. Comment
  SEINET6186061  Solanum xanti L. R. Miller 1934-6-10 s.n. Placer Tahoe City, along highway Comment
  SEINET6186073  Solanum xanti var. montanum M. J. Williams 1985-7-6 85- 63 -4 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits Comment
  RSA122317  Solidago canadensis subsp. elongata H. S. Yates 1934-6-29 3900 Placer Near Tahoe City. 1921 Comment
  CAS-BOT-BC365502  Solidago elongata M. S. Jussel 1928-7-22 s.n. Placer Velma Falls, Lake Tahoe region Comment
  CAS-BOT-BC365504  Solidago elongata Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UCD43123  Solidago elongata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 491 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC567090  Sorbus californica N. French 1934-6-13 408 Placer Lock Leven Lake 2042 Comment
  SCFS11529160  Sparganium angustifolium E. Krimmel, F. Felix 2014-8-7 Placer Seasonal pool Comment
  POM312972  Sparganium natans Malcolm A. Nobs, S. Galen Smith 1949-8-21 1509 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe Comment
  UCD150464  Spergula arvensis James A. Neilson Jr. 1971-9-9 2599 Placer Tahoe Basin, Tahoe City, McBride's Nursery / Tahoe Tree Company. 1889 Comment
  UCR206358  Spergula arvensis subsp. arvensis George K. Helmkamp, E. A. Helmkamp 2009-3-11 14385 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  CAS-BOT-BC390678  Spergularia rubra A. A. Heller 1917-6-17 12723 Placer Cisco 1828 Comment
  POM107629  Spiranthes porrifolia Marcus E. Jones 1882-7-8 s.n. Placer Auburn Comment
  UCSC000163  Spiranthes romanzoffiana C. F. Sonne 1883-1 Placer 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
  JEPS127473  Stachys ajugoides Steve Matson 1998-7-15 373 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork. Comment
  RSA447392  Stachys stricta Wm. Martin 1971-9-10 20279 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  SEINET3155893  Stellaria longipes W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  SEINET5337367  Stellaria media L. Killinger 1962-3-17 s.n. Placer 3 miles east of Auburn on north fork of American River. 396 Comment
  CAS-BOT-BC375010  Stenotus acaulis C. F. Sonne 1885-7-12 138 Placer Sierra Nevada Mts. Tinker's Knob 2895 Comment
  JEPS71598  Stenotus acaulis Gladys L. Smith 1972-6-20 3218 Placer Ward Peak in gravel on open plateau about terminus of Summit Chairlift 2621 Comment
  POM161915  Stenotus acaulis Herbert McLean Evans 1920-7-22 s.n. Placer Ralston Ridge. Sierra Nevada. Comment
  UC36545  Stenotus acaulis C. F. Sonne 1886-7-18 Placer Rock Peak, Truckee River 2590 Comment
  UC195908  Stephanomeria lactucina C. F. Sonne 1884-8-24 Placer above Coldstream; Sierra Nevada Mts. Comment
  UCD75948  Stephanomeria lactucina Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5189 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail. 2161 Comment
  UCR233397  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2011-8-26 18176 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  SACT002309  Stipa californica D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT002314  Stipa californica Michael Baad 1976-7-14 Placer Open brushy slope, 1.3 mile along road from intersection. 1554.48 Comment
  SACT002333  Stipa californica Michael Baad 1976-7-14 Placer 0.8 mile wesr of Sailor Flat on Forest Hill Divide. Comment
  SACT002362  Stipa lemmonii Michael Baad 1976-6-17 Placer Collected on flood plain at Royale Gorge- Wabena Creek to Wildcat Canyon. Comment
  UCR146661  Stipa lemmonii Beecher Crampton 1955-6-15 2910 Placer Sierra Nevada Mountains, 0.75 mile south of Yankee Jims 880 Comment
  SACT002389  Stipa occidentalis D. Meyer 1983-8-20 Placer Collected at summit at first lake steep rocky trail with some moist meadow areas 2000.0 Comment
  SACT002410  Stipa stillmanii D. Meyer 1984-7-29 Placer 1645.92 Comment
  UC1601616  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer hillside 6 mi n Colfax Comment
  CDA11986  Streptanthus tortuosus G. F. Hrusa 1995-5-2 12167 Placer Sierra Nevada; Approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CDA11987  Streptanthus tortuosus G. F. Hrusa 1995-5-2 12168 Placer Sierra Nevada; Approx. 4 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CDA12429  Streptanthus tortuosus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8558 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CHSC101512  Streptanthus tortuosus G. F. Hrusa 1995-5-20 12168 Placer Approximately 4 km beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. 650 Comment
  RSA121463  Streptanthus tortuosus N. H. French 1934-6-6 401 Placer 1.25 mile NW of Devils Peak. 2073 Comment
  SEINET4891940  Streptanthus tortuosus P. B. Kennedy, S. B. Doten 1901-8-15 291 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  UC477579  Styrax officinalis var. redivivus L. S. Smith 1931-5-31 2540 Placer road to Forest Hill (North Fork of American River); North Fork of American River Comment
  CAS-BOT-BC245834  Symphoricarpos John H. Thomas; Hazelle A. Thomas 1956-7-21 6190 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  POM68139  Symphoricarpos acutus Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap. Comment
  CAS-BOT-BC215297  Symphoricarpos mollis Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City, Sierra Nevada 1981 Comment
  CAS-BOT-BC215299  Symphoricarpos mollis Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap Comment
  CAS-BOT-BC237004  Symphoricarpos mollis John Thomas Howell 1943-7-25 18812 Placer West side of Donner Pass near Norden 2133 Comment
  UC1119959  Symphoricarpos mollis J. E. Sowder, R. W. Lundh 1933-4-15 Placer Greek Store; Colfax Quad. 670 Comment
  CAS-BOT-BC245736  Symphoricarpos rotundifolius Elizabeth Parsons Hawver 1911-7-20 s.n. Placer Ward Creek, Lake Tahoe Region Comment
  CAS-BOT-BC98476  Symphyotrichum spathulatum W. R. Dudley 1909-8-23 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  UCD136650  Symphyotrichum spathulatum G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12643 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CHSC73924  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-25 98 -092 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74200  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-3 98 -233 Placer Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UCD43046  Symphyotrichum spathulatum var. spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 415 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC376826  Tanacetum vulgare Mary P. Wells; Nell E. Flattery 1980-9-12 s.n. Placer Yard at 550 Pioneer Way, Tahoe City Comment
  SEINET10319545 Image available Taraxacum officinale G. K. Helmkamp, Helmkamp, E. A. 2009-5-11 14657 Placer Sierra Nevada Mountains Foothills; junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill (Michigan Bluff 7.5' Q. [Quadrangle]) 1338 Comment
  UCD43898  Taraxacum officinale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1264 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44669  Taraxacum officinale C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2035 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR208557  Taraxacum officinale George K. Helmkamp, E. A. Helmkamp 2009-5-11 14657 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  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
  UC566898  Tauschia hartwegii H. L. Mason 1926-5-28 3268 Placer five mi above Auburn Comment
  CAS-BOT-BC85267  Taxus brevifolia Alice M. King 1923-5-1 s.n. Placer Placerville Comment
  CAS-BOT-BC392402  Thalictrum fendleri Fay A. Mac Fadden 1934-7-26 12862 Placer Red Mt. Comment
  CAS-BOT-BC392404  Thalictrum fendleri Mary P. Wells 1980-9-12 s.n. Placer Alpine Meadows by Bear Creek across from stable 1950 Comment
  SEINET8702543  Thalictrum fendleri P. B. Kennedy, S. B. Doten 1901-8-19 422 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  UCD42984  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 353 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43892  Thalictrum sparsiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1258 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SD248366  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20338 Placer Northern Sierra Nevada MountainsFoothills: Yankee Jim Road, 0.9 mile east of its juncton with Canyon Way, 4.4 miles SE (167a^z) of Colfax (Colfax 7.5'Q) 561 Comment
  SD143459  Thysanocarpus radians Darley F. Howe 1951-5-1 2112 Placer 455 Comment
  SEINET12476871  Thysanocarpus radians A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 622 Placer One mile N of Lincoln. Comment
  SEINET7062978  Thysanocarpus radians A. G. Vestal 1955-4-4 s.n. Placer Serpentine 4 miles north of Auburn on Route 49 at Elders Corner. UTM Zone 10, 664474mE, 4313929mN. (WGS84/NAD83). 405 Comment
  UC117269  Thysanocarpus radians Mrs. K. Brandegee May, 1884 Placer Roseville Comment
  SEINET12476857  Thysanocarpus radians R. L. Smith 1942-4-3 21 Placer 3 miles E of Roseville. 122 Comment
  CDA37054  Torilis arvensis CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCR173264A  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10427 A Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  CAS-BOT-BC81366  Torreya californica F. W. Wilson 1912-5-1 110 Placer Tahoe Forest 731 Comment
  RSA592641  Torreya californica Fay A. MacFadden 1934-8-20 s.n. Placer Several miles from Forest Hill, on the road to Colfax Comment
  UCD133442  Torreya californica Eric Brenner; John Hunter 1996-5-26 4 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD43331  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 699 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SACT002423  Torreyochloa pauciflora D. Meyer 1984-9-23 Placer Plants in water end of paved road to Barker Pass beneath bridge 2121.0 Comment
  UCSB25993  Toxicodendron diversilobum Morley, Thomas 1946-5-30 Placer Northeast of the Masonic Cemetery, Dutch Flat 1005 Comment
  UCD151067  Trichostema oblongum James A. Neilson Jr. 1972-9-7 3627 Placer Placer County. Tahoe. Dollar Water Tower. (Elevation estimated in Google Earth by label maker.) (Latitude/Longitude data are for Dollar Point in Placer County. No Dollar Water Tower could be found on maps.) 1905 Comment
  SBBG58472  Trientalis latifolia M. N. Ackley -Jun-1925 798 Placer Towle 1127 Comment
  UCD117581  Trientalis latifolia Eric S. Ngay 1990-6-2 26 Placer Bridlevail Falls, Route 50. Comment
  UCR235378  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2012-5-11 18960 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  UCD14399  Trientalis latifolia R. Schulhof 1984-5-19 25 Placer Placer Co.; along Road 193, 14 miles southwest of Georgetown yellow pine forest habitat; 1219 Comment
  CDA36919  Trifolium campestre CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCR208580  Trifolium campestre George K. Helmkamp, E. A. Helmkamp 2009-5-7 14619 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  JEPS127431  Trifolium cyathiferum Steve Matson 1998-7-28 355 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; east of main boggy site on west fork Snow Creek. Comment
  UC146435  Trifolium cyathiferum Miss Harriet A. Walker 1908-7-25 1407 Placer Cisco 1810 Comment
  UCD22008  Trifolium cyathiferum Rex Palmer 1979-7-9 N 449 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43294  Trifolium cyathiferum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 662 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD75820  Trifolium cyathiferum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5174 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail by creek. 2145 Comment
  CHSC96489  Trifolium depauperatum var. depauperatum Lowell Ahart; Brian Williams 2007-4-13 13644 Placer On damp granite soil, margins of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SD237451  Trifolium dubium G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15928 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  SEINET3245951  Trifolium dubium G. K. Helmkamp, E. A. Helmkamp 2010-1 15928 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5') 157 Comment
  UCR173252  Trifolium dubium George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10453 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
  UCR253553  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-4-23 22805 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
  RSA31983  Trifolium gracilentum A. A. Heller 1940-4-20 15537 Placer Whitney Station south of Lincoln along US Hwy 99. Comment
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Mar 28 2011
  UCD35459  Trifolium hirtum Beecher Crampton 1957-5-7 3993 Placer 2 miles north of Lincoln, along U.S. Highway 99 E. Comment
  UCD80310  Trifolium hirtum CNPS SN Foothill Team 2005-4-12 SNFN 0105 b Placer Placer Legacy, Spears/Didion Ranch, located in the Spear's Ranch boundary off of Highway 49, above Coon Creek. 216 Comment
  UC569916  Trifolium kingii var. productum B. Bolt 1934-7-17 136 Placer 1/2 mi s Walker Mine; Truckee Quadrangle 1920 Comment
  UCD22002  Trifolium longipes Beth Lowe Corbin 1982-8-17 359 Placer 2 2/3 miles WSW of The Cedars. Small meadow in White Fir forest. Flowers white. Perennial. Mostly sun. N slope, 10% incline. Locally abundant. 1935 Comment
  UCD36424  Trifolium longipes Beecher Crampton 1953-7-21 1534 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  UCD43027  Trifolium longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 396 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC866865  Trifolium macraei Eliz. Parsons Hawver 1913-5-1 Placer Auburn Comment
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Feb 7 2017
  CHSC96465  Trifolium microcephalum Lowell Ahart; Brian Williams 2007-4-13 13646 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
  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
  RSA537541  Trifolium microcephalum Barbara Ertter 1989-4-8 8161 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  OBI78221  Trifolium monanthum Lewis S. Rose 1941-7-12 41307 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  SEINET9262032  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-1 Placer Northern Sierra Nevada Mountains Foothills; Yankee Jims Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5 Q) 768 Comment
  UC450024  Trifolium pratense Katharine Brandegee Aug. 1911 Placer Tahoe Tavern Comment
  CHSC74093  Trifolium repens Susi Urie 1998-8-25 98 -094 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD109327  Trifolium striatum Vic Osterli 1951-6-12 s.n. Placer Forest Hill, Patrick place. Comment
  UC16836  Trifolium variegatum var. melananthum H. N. Bolander 1865-4-11 4539 Placer near Auburn Comment
  UC147565  Trillium albidum Harriet A. Walker 1908-6-24 1259 Placer Blue Canyon Comment
  UC844512  Trillium albidum C. L. Hitchcock 1940-5-7 6306 Placer ca. 1 mi. w. Baxter Comment
  SEINET8502208  Trillium chloropetalum B. M. Cunningham 1960-4-14 s.n. Placer At the Monte Viste Inn on Hwy 40 detour. 1219 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
  UCD123396  Triphysaria eriantha M. Vincent 1965-4-11 604 Placer 1 mile north of Marysville on Hwy. 99E. Comment
  SEINET13750174  Triphysaria eriantha A. Beninghoff 1930-3-18 2866 Placer 5 miles east of Lincoln Comment
  SEINET13750242  Triphysaria eriantha P. A. Lehenbauer 1937-4-11 s. n. Placer Auburn Comment
  SEINET13750545  Triphysaria eriantha D. F. Erskine 1941-4-28 14 Place