Search Results — 2000 specimen records retrieved (1611 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=PLACER; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG24474  Abies concolor E. R. Blakley 1960-8-30 3796 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UC1134159  Abies concolor R. W. Lundh 1933-4-26 238 Placer 3 mi s Signal Peak; Tahoe National Forest, Colfax Quadrangle 1828 Comment
  UCD22100  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22102  Acer glabrum Rex Palmer 1979-5-27 N 32 Placer Headwaters basin area of the North Fork of the American River 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-BC331011  Acer glabrum var. glabrum A. A. Heller 1917-6-19 12730 Placer Emigrant Gap 1615 Comment
  SEINET7893697  Acer glabrum var. glabrum W. D. Billings 1951-7-28 2132 Placer W. side of Sierra Nevada, 1-2 mi. S of The Cedars, American River drainage. 1829 Comment
  POM85271  Acer macrophyllum Marcus E. Jones 1882-5-28 3308 Placer Emigrant Gap. Comment
  SD43608  Acer macrophyllum Darley F. Howe 1948-5-22 1822 Placer Placer Co 1220 Comment
  SEINET3828342  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2012-1 18953 Placer Northern Sierra Nevada Mountians Foothills: Finnin Mill Road, 1.7 miles north of its junction with Forest Hill Road, Foresthill 7.5 1041 Comment
  OBI20109  Achillea millefolium David J. Keil 1978-7-23 12947 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  SCFS1156  Achillea millefolium E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Cedar's Meadow. Comment
  UCR250165  Achillea millefolium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20481 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-BC210683  Achnatherum lemmonii John Thomas Howell; Gordon H. True 1968-6-9 44518 Placer Alta 1066 Comment
  UC1133124  Achnatherum lemmonii B. Bolt 1934-8-14 Placer e slope of Red Star Ridge Truckee Quadrangle Comment
  UCD50459  Achnatherum lemmonii B. Crampton 1953-7-21 1528 Placer Above US Hwy. 40, 1 mile west of Cisco Grove, Placer-Nevada County border. 1783 Comment
  UCD43120  Achnatherum occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 488 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD50937  Achnatherum occidentale John Thomas Howell 1943-7-25 18808 A Placer West side of Donner Pass near Norden. 2133 Comment
  CAS-BOT-BC210836  Achnatherum occidentale subsp. californicum C. G. Pringle 1882-9-20 s.n. Placer Summit Valley, Sierra Nevada Mts. 2438 Comment
  CAS-BOT-BC210837  Achnatherum occidentale subsp. californicum A. A. Heller 1917-8-14 12925 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  CDA15991  Achnatherum occidentale subsp. californicum G. F. Hrusa, J. Glazner 1999-7-17 15184 b Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1133077  Achnatherum occidentale subsp. californicum B. Bolt 1934-8-14 179 Placer e slope of Red Star Ridge Tahoe National Forest, Truckee Quadrangle Comment
  UCD22223  Achnatherum occidentale subsp. californicum Rex Palmer 1979-6-21 N 356 Placer Headwaters basin area of the North Fork of the American River Comment
  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
  CDA16992  Achnatherum stillmanii G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16045 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC477532  Achnatherum stillmanii L. S. Smith 1931-6-4 2557 Placer below Pine Nut (Duncan Canyon); Tahoe Nat. Forest 1524 Comment
  UC573831  Achnatherum stillmanii B. Bolt 1934-7-17 175 Placer 1/2 mi s Walker Mine; Tahoe National Forest, Truckee Quadrangle Comment
  UC682053  Achnatherum stillmanii G. L. Stebbins Jr. 1941-7-16 3167 Placer 50-100 yards below S.P. railroad tracks (1/2 mi s of Blue Canon station) 1447 Comment
  UCD51417  Achnatherum stillmanii G. L. Stebbins Jr. 1941-7-16 3167 Placer 50-100 yards below S.P. railroad tracks, 1.2 mile south of Blue Canon Station. 1447 Comment
  SDSU6824  Achyrachaena mollis unknown 1948-5-21 1835 Placer 457 Comment
  JEPS127543  Acmispon americanus var. americanus Steve Matson 1998-7-12 332 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, west of Martis Creek, east of vernal pools. Comment
  SEINET5327521  Acmispon americanus var. americanus M. J. Williams 1985-7-6 85- 61 -9 Placer [Sierra Nevada] Near old Donner Summit, S of Lake Mary. Sierra Nevada Comment
  UCD36679  Acmispon brachycarpus Beecher Crampton 1955-6-15 2919 Placer Placer County, 8 miles west of Forest Hill. Comment
  SEINET5327404  Acmispon brachycarpus A. Allen 1950-5-20 30 Placer 2 mi W st of Auburn on Grass Valley road, 305 Comment
  UCD38505  Acmispon nevadensis var. nevadensis Beecher Crampton 1955-7-13 3002 Placer Flats and slopes along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCD38489  Acmispon parviflorus Beecher Crampton 1955-6-15 2918 Placer 8 miles west of Forest Hill. Comment
  CHSC34612  Acmispon wrangelianus Lichael P. Crivello 1979-4-11 Placer 2.5 mi nne of Auburn, 200 yds n of confluence of North and Middle forks of American River. Comment
  UC853409  Aconitum columbianum A. A. Heller 1917-8-13 12882 Placer Summit valley 2118 Comment
  UCD95385  Aconitum columbianum L. M. Sparks 1912-8-1 32 Placer Lake Tahoe. Comment
  CAS-BOT-BC391458  Aconitum columbianum subsp. columbianum A. A. Heller 1917-8-13 12882 Placer Summit Valley 2118 Comment
  CAS-BOT-BC391459  Aconitum columbianum subsp. columbianum Alice Eastwood 1909-1-1 77 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC391462  Aconitum columbianum subsp. columbianum Mrs. Chas. E. Miller 1916-8-30 s.n. Placer Emigrant Gap Comment
  CDA6764  Acroptilon repens T. C. Fuller 1964-9-1 12572 Placer Sierra Nevada; North edge of freeway Interstate 80 from Donner Summit, 0.1 mile west of Blue Canyon Road. 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
  JEPS60389  Actaea rubra Leland S. Smith 1931-5-12 2541 Placer Tahoe Forest 914 Comment
  UCD147087  Aegilops neglecta Chuck Hughes 2013-5-6 372 Placer Southwest margin of Camp Far West Reservoir. 96 Comment
  SACT000029  Aegilops triuncialis D. Meyer 1983-7-24 Placer Moist, shady roadside 1036.32 Comment
  SACT000030  Aegilops triuncialis D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  CDA12416  Agastache urticifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8544 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  SCFS1145  Agastache urticifolia E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #5. Comment
  UC26070  Agastache urticifolia Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC29379  Ageratina occidentalis L. S. Smith 1925-9-13 1730 Placer Deer Park, Tahoe Forest 1950 Comment
  UCD128553  Ageratina occidentalis A. T. Leiser 1972-8-14 s.n. Placer Alpine Meadows. Comment
  SCFS1171  Ageratina occidentalis E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. 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
  UC832675  Agoseris retrorsa Marcus E. Jones, A. M. 1882-6-30 2782 Placer Emigrant Gap Comment
  UC148946  Agoseris retrorsa H. M. Hall 1910-6-28 8722 Placer s slope, (opposite Cisco) Rattlesnake Creek; Sierra Nevada Mts. 1981 Comment
  UCD51686  Agropyron desertorum Beecher Crampton 1974-10-24 9096 Placer 1 mile west of Colfax. 762 Comment
  SACT000048  Agropyron intermedium var. intermedium D. Meyer 1984-7-21 Placer 2.88 km from county line, sagebrush area 1758.0 Comment
  SACT000077  Agropyron trachycaulum D. Meyer 1983-8-7 Placer Moist shady area, Louisiana Pacific Private Forest entrance 2000.0 Comment
  UCR209751  Agrostis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15430 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  SACT000125  Agrostis avenacea D. Meyer 1984-10-24 Placer Adjancent to cultivated fields of rice 27.3 Comment
  SEINET10792274  Agrostis diegoensis A. S. Hitchcock 1886-1 Hitchcock 12892 Placer Summit Station in open places in coarse granite sand, upper limit of the yellow pine belt. 2121 Comment
  SACT000086  Agrostis exarata D. Meyer 1983-8-7 Placer East bank 1879.0 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
  UCD34022  Agrostis exarata Beecher Crampton 1975-9-9 9273 Placer Placer County, Gold Run rest area on Hwy. 80. 914 Comment
  UCD52337  Agrostis exarata August L. Hormay 1932-7-8 s.n. Placer Base of Echo Lake, grade North side. Comment
  UCD52340  Agrostis exarata N. French 1933-6-6 72 Placer near Newcastle. 304 Comment
  UCD52348  Agrostis exarata H. L. Mason 1939-8-3 12206 Placer Squaw Creek Valley, north of Lake Tahoe. 1889 Comment
  UCD52406  Agrostis exarata N. French 1933-6-6 s.n. Placer near Newcastle. 304 Comment
  UCR146665  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Sierra Nevada Mountains, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road 427 Comment
  CAS-BOT-BC139256  Agrostis idahoensis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 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
  JEPS103489  Agrostis idahoensis Lowell Ahart 2002-7-22 9906 Placer Along a drainage, ca 40 yards NW 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. 1774 Comment
  SACT000188  Agrostis idahoensis Michael Baad 1976-7-21 Placer NE corner. 10 miles southeast of Soda Springs. 2377.44 Comment
  UCD21599  Agrostis idahoensis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1263 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCD43280  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 648 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD52969  Agrostis idahoensis A. A. Heller 1919-7-25 13293 Placer near the Yuba River belove Cisco. Comment
  UCD43292  Agrostis pallens C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 660 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD53210  Agrostis pallens A. A. Heller 1919-7-25 13305 Placer near the Yuba river below Cisco. 1676 Comment
  SACT000157  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 Comment
  SACT000161  Agrostis scabra D. Meyer 1984-7-29 Placer South of the reservoir near boat ramp, shady area 1600.0 Comment
  SBBG26329  Agrostis scabra B. Crampton 1964-7-21 Placer Cisco Grove 1722 Comment
  SACT000191  Agrostis stolonifera var. major D. Meyer 1983-8-7 Placer Hwy 267 4.6 km South of PLacer County line. Roadside wash. 1758.0 Comment
  SACT000192  Agrostis stolonifera var. major D. Meyer 1983-7-26 Placer Gold Run exit off I 80 intersect of Magra Rd Gold Run Rd 970.0 Comment
  SACT000194  Agrostis stolonifera var. major D. Meyer 1983-9-10 Placer near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT000205  Agrostis stolonifera var. major D. Meyer 1984-8-4 Placer very wet, roadside ditch, hillside seeping water and shady. 1454.0 Comment
  SACT000255  Agrostis variabilis James Grove 1977-7-15 Placer 2000.0 Comment
  UCD53721  Agrostis variabilis R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40, 5 mi. below Soda Springs. Comment
  UCD55628  Agrostis variabilis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  UCD75707  Agrostis variabilis Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5157 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, sides of trail. 2124 Comment
  SACT000227  Aira caryophyllea D. Meyer 1983-5-7 Placer Comment
  SACT000229  Aira caryophyllea D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  SACT000233  Aira caryophyllea D. Meyer 1984-4-15 Placer Roadside; appears to have been a vernal pool (dry) 36.97 Comment
  UC985659  Alisma lanceolatum Malcolm A. Nobs 1948-9-25 686 Placer Hwy 49 about 9 mi n Auburn; Rock Creek Comment
  RSA353527  Alisma triviale William Martin 1971-9-10 20221 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CHSC39057  Allium amplectens Michael P. Crivello 1979-4-11 Placer 1.2 mi sse Coloma along Hwy 49. 289 Comment
  UCD22043  Allium amplectens Rex Palmer 1979-7-9 N 454 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS47574  Allium amplectens L. S. Smith 1925-6-13 1671 Placer Picayune Creek Tahoe Forest, French Meadows Range, Picayune Creek 1981 Comment
  SEINET176938  Allium campanulatum M. E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  UC120013  Allium campanulatum C. F. Sonne 1895-7-25 Placer w slope Washoe Mts. Sierra Nevada Mountains, Washoe Mts. Comment
  UCD22039  Allium obtusum Rex Palmer 1979-6-21 N 424 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS59456  Allium obtusum var. obtusum Ezra Brainerd and Viola B. Baird 1915-7-15 191 Placer Five Lakes Sierra Nevada Mountains, Five Lakes 2298 Comment
  CHSC46525  Allium platycaule Lowell Ahart 1964-7-3 12 Placer Along the trail to the Placer Queen Mine, north-east of Bald Mountain. 1676 Comment
  JEPS47620  Allium platycaule L. S. Smith 1926-5-26 1873 Placer Duncan Canyon above Forks; Tahoe Forest, Duncan Canyon 1676 Comment
  CHSC40029  Allophyllum gilioides L. S. Rose 1941-7-8 41291 Placer Chambers Lodge (McKinney), Lake Tahoe. 2100 Comment
  RSA0037371  Allophyllum gilioides subsp. gilioides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20504 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  UC702548  Allophyllum gilioides subsp. violaceum L. S. Rose 1941-7-9 41299 Placer Lake Tahoe, Chambers Lodge (McKinney) 2100 Comment
  UC147645  Allophyllum integrifolium Harriet A. Walker 1908-6-23 1204 Placer Blue Canyon 1432 Comment
  UC188487  Allophyllum integrifolium C. F. Sonne Sep 9 1883-May 1 1889 Placer woods above Kneeland's Mill Comment
  CAS-BOT-BC171260  Alnus incana subsp. tenuifolia E. R. Blakley 1960-9-3 3820 Placer King's Beach. Lake Tahoe 1905 Comment
  SBBG55742  Alnus incana subsp. tenuifolia D. Keil 1978-7-23 12922 Placer Cisco Grove exit from Interstate 80, just E of Nevada County line 1767 Comment
  UCD44503  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1869 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET4560810  Alnus rhombifolia George K. Helmkamp, E. A. Helmkamp 2010-1 17025 Placer Northern Sierra Nevada Mountain Foothills: along Forest Route 24 at Parker Flat and Beside Forbes Creek, 1.9 miles east (airlines) of the Sugar Pine Reservoir dam. 1180 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
  SACT002783  Alnus tenuifolia Michael Baad 1983-9-3 Placer Collected from Spitz Inn to wester slope of Mount Judah near summit 2286.0 Comment
  SD43609  Alnus tenuifolia Darley F. Howe 1948-5-22 1823 Placer unknown 1705 Comment
  POM296923A  Alopecurus aequalis var. aequalis Lyman Benson 1942-7-2 11268 Placer 1 mile west of Truckee; Highway junction; Sierra Nevada Mt. Range 2012 Comment
  UCD55969  Alopecurus saccatus Beecher Crampton 1957-5-7 3988 Placer 2 miles north of Lincoln. Comment
  UCR258217  Amaranthus albus George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20054 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  CAS-BOT-BC474750  Amaranthus hybridus James A. Neilson, Jr. 1971-8-7 2309 Placer Heavenly Valley ski lift 2118 Comment
  UCR253812  Ambrosia psilostachya George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20103 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  SEINET6190269  Amelanchier alnifolia var. pumila P. A. Lehenbauer 1932-6-12 s.n. Placer Tahoe City Comment
  UC1505819  Amelanchier alnifolia var. semiintegrifolia K. M. Wiegand 1941-7-13 4890 Placer 2 mi w Lake Tahoe (woods along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
Read comments
May 30 2007
  SEINET11910806  Amelanchier pallida J. H. Nishida 1985-1 767 Placer Homewood, Red Fir Forest 1829 Comment
  UCD22263  Amelanchier utahensis Rex Palmer 1979-6-8 N 112 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD119617  Amsinckia intermedia R. C. Herner 1965-4-16 8 Placer Folsom-Auburn Roads, 5 miles SW of Auburn. Comment
  RSA416591  Anaphalis margaritacea Fay A. MacFadden 1934-7-28 12681 Placer Donner Lake Comment
  UC891435  Anaphalis margaritacea A. A. Heller 1916-8-13 12907 Placer 2133 Comment
  UCD83588  Anaphalis margaritacea Albert Grigarick 2009-8-7 157 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1938 Comment
  UCD56088  Andropogon virginicus R. F. Davis 1951-1-1 s.n. Placer 10 miles north of Lincoln. Comment
  UCD56100  Andropogon virginicus Beecher Crampton 1960-11-2 5793 Placer 2 miles east of Bowman, along U.S. Hwy. 40. 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
  UCD75949  Angelica breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5190 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
  JEPS111289  Antennaria geyeri Steve Matson 2005-7-4 1370 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  CAS-BOT-BC26982  Antennaria media Charles Frederick Sonne 1885-7-12 160 Placer Sierra Nevada Mts. Above Coldstream. Comment
  NY158261  Antennaria media C. F. Sonne 1892-7-31 s.n. Placer [Cold... or Gold...] Comment
  JEPS59459  Antennaria rosea Ezra Brainerd and Viola B. Baird 1915-7-7 194 Placer (right handfork of <illegible>) Squaw Valley; Sierra Nevada Mts., Squaw Valley 2011 Comment
  JEPS126310  Apocynum androsaemifolium Steve Matson Aug, 1997 96 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. Comment
  OBI18627  Apocynum androsaemifolium Robert F. Hoover 1967-9-5 10821 Placer Carnelian bay, Lake Tahoe Comment
  SEINET3157162  Apocynum androsaemifolium W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  CAS-BOT-BC334224  Aquilegia formosa George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19797 Placer Northern Sierra Nevada Mountains: Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  CHSC9518  Aquilegia formosa J. F. Goodwin 1971-7-10 150 Placer Approx 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. SW of Cornelian Bay. 1981 Comment
  UC148979  Aquilegia formosa H. M. Hall June 1910 8714 Placer Cisco Sierra Nevada 1828 Comment
  CAS-BOT-BC397901  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  RSA537721  Arabidopsis thaliana Barbara Ertter 1989-4-9 8196 Placer halfway down road to Lake Clementine (N Fork Lake) NE of Auburn. 305 Comment
Read comments
Nov 19 2015
  UCD114099  Arabidopsis thaliana Barbara Ertter; David Thompson 1989-4-9 8196 Placer Halfway down road to Lake Clementine (=North Fork Lake) NE of Auburn. 304 Comment
  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
  JEPS72039  Arabis lemmonii Gladys L. Smith 1972-6-18 3134 Placer Alpine Meadows 2072 Comment
  RSA0129050  Arabis platysperma L. S. Rose 1944-7-12 44095 Placer Chamber Lodge, Lake Tahoe. 1921 Comment
  UC1120807  Arbutus menziesii N. French, R. Clar 1933-5-19 59 Placer near Iowa Hill 822 Comment
  CAS-BOT-BC407752  Arceuthobium abietinum W. R. Dudley 1909-8-23 s.n. Placer Grounds of Tahoe Tavern, Lake Tahoe Comment
  UC615467  Arceuthobium americanum Beryl O. Schreiber 1932-9-12 776 Placer Tahoe Meadow Lake Tahoe Comment
  CAS-BOT-BC409995  Arceuthobium campylopodum Lowell Ahart 1972-6-28 s.n. Placer French Meadows 1524 Comment
  UCD22001  Arceuthobium douglasii Rex Palmer 1979-5-27 N 84 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET2116910  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-8-17 2004 -13 Placer Alpine Meadows Ski Area, along Roundhouse Ski Lift 2190 Comment
  CAS-BOT-BC24247  Arctostaphylos mewukka W. R. Dudley 1909-8-16 s.n. Placer Monte Vista. Comment
  CAS-BOT-BC24250  Arctostaphylos mewukka T. S. Brandegee 1888-1-1 33 Placer Emigrant Gap. Comment
  CDA39032  Arctostaphylos mewukka D. G. Kelch 2011-10-3 11 .827-B Placer Tahoe City. Granlibakken Resort. Comment
  CAS-BOT-BC40042  Arctostaphylos nevadensis Mary P. Wells 1980-9-12 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  CAS-BOT-BC40048  Arctostaphylos nevadensis Belle R. Jackson 1932-6-1 s.n. Placer Donner Pass Comment
  CAS-BOT-BC42105  Arctostaphylos patula Alice Eastwood 1912-6-15 492 Placer Lake Tahoe Region - Deer Park Comment
  UC481592  Arctostaphylos patula Mrs. H. L. Saul June, 1931 Placer Gold Lake 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
  UCD21473  Arctostaphylos patula Beth Lowe Corbin 1982-8-18 368 Placer One mile SW of The Cedars. 1828 Comment
  SEINET7266021  Arctostaphylos patula B. Miller 4 Placer Along road 2 miles E. of Johnstown on the middle fork of the Feather River, about 15 miles from Portola Comment
  SEINET2029694 Image available Arctostaphylos viscida C. L. Hitchcock 1940-5-14 6380 Placer Meier Ranch, about 6 miles north of Colfax 762 Comment
  UCD52188  Arctostaphylos viscida Beecher Crampton 1955-6-15 2904 Placer Yellow pine forest, Yankee Jim, Placer County. 807 Comment
  SEINET7268588  Arctostaphylos viscida J. J. Murray 1965-3-13 s.n. Placer Auburn 1524 Comment
  SEINET7268702  Arctostaphylos viscida J. Ridley 1959-3-29 2 Placer 3 miles south of Auburn on Highway 49. 442 Comment
  CAS-BOT-BC47054  Arctostaphylos viscida subsp. viscida Brandegee 1889-1-1 132 Placer Blue Canyon. Comment
  CAS-BOT-BC47063  Arctostaphylos viscida subsp. viscida W. R. Dudley 1909-8-16 s.n. Placer Dutch Flat. Comment
  CAS-BOT-BC47065  Arctostaphylos viscida subsp. viscida Brandegee 1889-1-1 32 Placer Blue Canyon. 1432 Comment
  POM209626  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-12 A- 2 Placer 3 miles above Colfax. Comment
  RSA273223  Arctostaphylos viscida subsp. viscida Jo Ann Olson 1966-4-10 s.n. Placer Near Colfax. Comment
  RSA637026  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24910 Placer Forest Hill Road, 13 km west of Forest Hill, northeast of Auburn. 590 Comment
  UC1121448  Arctostaphylos viscida subsp. viscida N. French 1934-6-1 395 Placer N. Fork of N. Fork of American River Tahoe National Forest, Colfax Quadrangle Comment
  UC1125757  Arenaria kingii var. glabrescens N. French 1934-6-22 448 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle 2286 Comment
  CAS-BOT-BC82196  Arnica chamissonis Lewis S. Rose 1937-7-29 37612 Placer Tahoe Vista 1905 Comment
  CHSC74189  Arnica chamissonis Susi Urie 1998-9-3 98 -230 Placer Meadow along the unnamed creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CAS-BOT-BC82206  Arnica chamissonis C. F. Sonne 1884-7-23 189 Placer Meadow near Mill on Truckee River Comment
  UC112836  Arnica dealbata Katharine Brandegee July 1908 Placer near junction of Blue Canyon and Emigrant Roads Comment
  CAS-BOT-BC82653  Arnica latifolia Alice Eastwood 1909-1 276 Placer Ward Pass, Lake Tahoe Region Comment
  UC195680  Arnica longifolia C. F. Sonne 1896-8-2 Placer Crossing of R. R. on road to Tahoe Comment
  UC468976  Arnica longifolia Miss Helen D. Geis Jun 1 1912-Jul 1 1912 165 Placer Deer Park Comment
  UC193465  Arnica longifolia C. F. Sonne 1896-7-1 Placer below and around Schafer's Reservoir; Truckee Comment
  POM160971  Arnica longifolia subsp. myriadenia C. F. Sonne 1897-8-7 s.n. Placer E Slope Mt. Anderson 2439 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-BC85146  Arnica nevadensis John Thomas Howell 1943-7-21 18662 Placer Donner Pass to Mt. Lincoln Comment
  SEINET11837497  Arnica nevadensis C. F. Sonne 1885-1 s.n. Placer Anderson's Peak. Trukee Knob Comment
  SACT000346  Arrhenatherum elatius D. Meyer 1983-7-24 Placer Sacramento Road north of I80 Dutch Flat exit, moist, shady roadside. 1030.0 Comment
  JEPS22812  Artemisia arbuscula A. A. Heller 1917-8-13 Placer ridge nw of Donner Pass 2346 Comment
  CAS-BOT-BC85015  Artemisia arbuscula subsp. arbuscula C. F. Sonne 1886-8-15 372 Placer Mt. Topi S. of summit Comment
  UCD43122  Artemisia cana subsp. bolanderi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 490 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS126300  Artemisia douglasiana Steve Matson 1998-9-1 398 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  UCD38933  Artemisia douglasiana Beecher Crampton 1961-9-27 6013 Placer 1 mile west of Cisco Grove. 1706 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
  CAS-BOT-BC400750  Asarum lemmonii Beecher Crampton 1958-6-24 4964 Placer 3 miles west of Baxter 1066 Comment
  UC849086  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
Read comments
Apr 7 2018
  UCD121247  Asclepias cordifolia John F. Addicott 1965-5-15 83 Placer 2 miles from Colfax on road to Owl Hill. 548 Comment
  UC1123570  Asclepias speciosa G. T. Nordstrom 1934-6-19 118 Placer 1/2 mi w of mouth Monumental Creek; Tahoe National Forest, Colfax Quadrangle Comment
  CDA16998  Aspidotis densa G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16051 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CDA19564  Aspidotis densa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 253 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UC1874971  Aspidotis densa Ruth Kirkpatrick 2001-7-16 1062 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  UC399499  Aspidotis densa Mrs. Carlotta C. Hall June 1910 Placer n slope of Yuba River Cisco 1676 Comment
  CAS-BOT-BC99220  Aster Peter Rubtzoff 1976-9-18 8844 Placer Lake Van Norden, south side of lake - Sierra Nevada 2063 Comment
  CDA16055  Aster eatonii G. F. Hrusa, J. Glazner 2000-9-3 15683 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CDA25010  Aster occidentalis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCR257623  Aster occidentalis var. occidentalis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19529 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
  SCFS1203  Asteraceae E. Krimmel, F. Felix 2013-5-19 Placer NFAm. 0.1-m E. of Heath Falls overlook, in trail. Comment
  UC1128744  Astragalus bolanderi B. Bolt 1934-7-12 104 Placer Snow Mountain Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  UCD38789  Astragalus purshii Beecher Crampton 1958-6-24 4957 Placer Placer Counter: About 4 miles southeast of Truckee, eastern edge of Martis Valley. Placer-Nevada County line. Comment
  JEPS59464  Astragalus whitneyi var. lenophyllus Ezra Brainerd and Viola B. Baird 1915-7-19 200 Placer above Deer Park (summit of The Craggs); Sierra Nevada Mts., summit of the Craggs above Deer Park 2514 Comment
  JEPS72268  Astragalus whitneyi var. lenophyllus Gladys L. Smith 1972-6-20 3247 Placer steep slope just below Ward Peak summit; just below Ward Peak summit 2628 Comment
  JEPS35131  Athyrium distentifolium var. americanum C. F. Sonne Aug 1887 324 Placer e slope Mt Anderson (above Coldstream); Sierra Nevada Mts 2590 Comment
  SACT000357  Avena barbata D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  SACT000359  Avena barbata Michael Baad 1983-4-17 Placer 4 miles South of Interstate 80 on Ponderosa Road 411.48 Comment
  SACT000391  Avena fatua Josephine Van Ess 1976-3-22 Placer Lightly shaded bank 109.8 Comment
  SACT000392  Avena fatua D. Meyer 1983-6-5 Placer 977.3 Comment
  CAS-BOT-BC146153  Avena fatua Peter H. Raven 1954-4-16 6609 Placer 7 miles south of Lincoln on road to Roseville. Comment
  CAS-BOT-BC66258  Azolla mexicana Lowell Ahart 1975-3-16 s.n. Placer About 1/2 to 1/2 miles NE of intersection on Wise and McCourtney Road north of Lincoln 41 Comment
  CAS-BOT-BC100090  Balsamorhiza sagittata Kellogg; Brannan 1870-6-27 s.n. Placer Cisco: Sierra Nevada Mts. Comment
  CHSC72870  Barbarea orthoceras L. P. Janeway; Eric Schroder 1998-7-13 5758 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD22359  Barbarea orthoceras Rex Palmer 1979-7-12 N 629 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR250688  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20349 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
  JEPS113294  Bellardia trixago L. P. Janeway 2006-5-10 8594 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. Comment
  UC1126293  Berberis aquifolium var. repens J. E. Sowder and R. W. Lundh 1933-4-26 37 Placer ne Colfax Hill (near camp); Colfax Quadrangle Comment
  CAS-BOT-BC102055  Bidens frondosa John Thomas Howell 1929-10-4 4427 Placer 1 1/2 miles from Auburn on road to Colfax Comment
  CHSC79251  Blennosperma nanum Beecher Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  CAS-BOT-BC100274  Blennosperma nanum var. nanum Carl B. Wolf 1937-3-30 8350 Placer Sacramento Valley, 4 8/10 mi. E. of Lincoln on Penryn Road 91 Comment
  UC117957  Boechera covillei C. F. Sonne Jun 1894 Placer above Donner Lake; Sierran Nevada Mountains Comment
  JEPS109850  Boechera platysperma Dean W. Taylor 2005-7-15 19409 Placer Martis Peak, saddle 0.5 air miles E of the summit along Murphys Meadows Road 2560 Comment
  CAS-BOT-BC14511  Boechera pratincola J. F. Emmel 1970-6-21 315 Placer Slope, 0.6 air mile south of south end of Lake Mary, south of Donner Pass. 2286 Comment
  JEPS72036  Boechera rectissima Gladys L. Smith 1972-6-20 3208 Placer Ward Peak, about terminus of Summit chairlift Ward Peak 2621 Comment
  UCD22341  Boechera retrofracta Rex Palmer 1979-6-20 N 311 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22343  Boechera retrofracta Rex Palmer 1979-6-8 N 114 Placer Headwaters basin area of the North Fork of the American River. Comment
  SJSU8588  Boechera retrofracta N. D. Addy 1962-7-8 195 Placer by trail to Desolation Valley c. 6 mi E of Fallen Leaf L 2072 Comment
  UC10137  Boechera sparsiflora H. N. Bolander 1865-4-10 4514 Placer near Auburn (Bed of American River); American River Comment
  CAS-BOT-BC25779  Boechera stricta Alice Eastwood 1909-1-1 18 Placer Lake Tahoe Region. Sunnyside. 1981 Comment
  UCD21606  Boechera stricta E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1275 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCD149417  Boechera suffrutescens G. Ledyard Stebbins 1976-7-6 7693 Placer Bunker Hill. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR200862  Boykinia major George K. Helmkamp, E. A. Helmkamp 2008-9-15 14115 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  UCR206716  Boykinia major George K. Helmkamp, E. A. Helmkamp 2009-7-16 15209 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  CAS-BOT-BC417620  Boykinia major Lillian Mott 1975-8-4 51 LM74 Placer French Meadows Reservoir on American River Comment
  CAS-BOT-BC418413  Boykinia occidentalis F. A. Mac Fadden 1934-7-1 12581 Placer Canyon Creek, Monte Vista Comment
  UC11307  Boykinia occidentalis Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET11195093  Brassica rapa J. Ridley 1959-3-29 4 Placer Open field 1 mile E of Hwy 89, 2 miles N of Roseville. 49 Comment
  SEINET4691389  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2010-1 17015 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road (between CA-49 and new Foresthill Rd), 1.8 miles northeast of junction with CA-49. 250 Comment
  SEINET10570657  Brodiaea Carl B. Wolf 1937-5-12 Wolfe 2799 Placer Sacramento Valley, 1 m N of Lincoln. Upper Sonorn:- Grasses. Sun, clay, open flats. 150 feet. Comment
  CAS-BOT-BC482161  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  RSA670113  Brodiaea coronaria Regina Putman 1997-4-19 5 Placer City of Rocklin, in grassy field N of Toys-R-Us. 70 m W of the end of Five Star Blvd. 67 Comment
  JEPS7635  Brodiaea elegans subsp. elegans W. H. Shockley Placer Auburn Comment
  UCR219682  Brodiaea elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2010-6-26 16372 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  JEPS45877  Bromus L. S. Smith 1928-7-18 2478 b Placer Tahoe National Forest, Whiskey Creek Trail Whiskey Creek Trail; Tahoe National Forest, Whiskey Creek Trail 2133 Comment
  CAS-BOT-BC144213  Bromus arenarius G. L. Stebbins 1978-5-28 7878 Placer West side of Big Crater. 1280 Comment
  SACT000388  Bromus carinatus Michael Baad 1983-6-26 Placer 2.2 miles southeast, near Michigan Bluff Road. 1158.24 Comment
  UCD58249  Bromus carinatus Beecher Crampton 1955-6-15 2819 Placer 5.5 miles west of Iowa Hill. Comment
  JEPS127502  Bromus carinatus var. carinatus Steve Matson 1997-7-5 37 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  JEPS75155  Bromus carinatus var. carinatus Gladys L. Smith 1972-6-20 3261 a Placer Ward Peak, summit to Sherwood Forest Ward Peak 2590 Comment
  UCD59209  Bromus carinatus var. marginatus August L. Hormay 1932-7-8 s.n. Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  POM264452  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco 915 Comment
  SACT000526  Bromus diandrus D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  SACT000532  Bromus diandrus D. Meyer 1983-6-5 Placer on the turnoff, along roadside 487.68 Comment
  UC790922  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer near Cisco 914 Comment
  CAS-BOT-BC155062  Bromus hordeaceus John Thomas Howell; Gordon H. True 1972-3-17 7081 Placer Northern Outskirts of Lincoln. 48 Comment
  CDA36882  Bromus hordeaceus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA37199  Bromus hordeaceus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD58703  Bromus hordeaceus M. Vincent 1965-4-19 652 Placer 4 miles S of Marysville. Comment
  UCR258398  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-3-21 22632 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  UCD58852  Bromus inermis Beecher Crampton 1972-7-26 8850 Placer Carpenter Flat, east of Emigrant Gap. 1615 Comment
  CDA15965  Bromus laevipes G. F. Hrusa, J. Glazner 1999-7-17 15123 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1131199  Bromus madritensis subsp. rubens N. French 1933-6-6 73 Placer near Newcastle 213 Comment
  UC1131321  Bromus marginatus B. Bolt 1934-8-14 180 Placer Tahoe National Forest, Red Star Ridge Red Star Ridge; Tahoe National Forest, Red Star Ridge 1767 Comment
  UCR146674  Bromus marginatus Beecher Crampton 1985-6-23 9998 Placer Sierra Nevada Mtns., North Shore Lake Tahoe, Stateline Road 1905 Comment
  SACT000621  Bromus orcuttianus D. Meyer 1983-7-3 Placer 5.4 miles from Forest Hill Road 1234.44 Comment
  SBBG29016  Bromus orcuttianus B. Crampton 1967-7-26 Placer ca. 3 mi NW of Kings Beach, St Hwy 267 2133 Comment
  UCD34880  Bromus orcuttianus Beecher Crampton 1964-7-9 7107 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  SACT000720  Bromus rubens Josephine Van Ess 1976-4-14 Placer Collected on railroad embankment; dry slope 152.4 Comment
  SACT000723  Bromus rubens Michael Baad 1977-6-8 Placer On Forest HIll to French Meadows Road, slate outcrop 731.52 Comment
  UCD59653  Bromus secalinus Beecher Crampton 1953-5-26 1336 Placer Sunnybrook Farms, 2 miles north of Lincoln. Comment
  OBI20099  Bromus sitchensis David J. Keil 1978-7-23 12948 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  SACT000674  Bromus sterilis Josephine Van Ess 1975-5-23 Placer west side of top rocky crown of the hill. Shaded sheltered by arge rocks wooded area. 915.0 Comment
  SACT000784  Bromus tectorum Josephine Van Ess 1977-5-5 Placer 158.5 Comment
  UCD36654  Bromus tectorum Beecher Crampton 1955-6-15 2874 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  SACT000773  Bromus tectorum var. tectorum D. Meyer 1983-7-3 Placer 1152.0 Comment
  CHSC82661  Bulbostylis capillaris Lowell Ahart 2002-7-22 9908 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  SEINET10867417  Calamagrostis bolanderi A. Arthur Heller 1903-8-10 Heller 7180 Placer Above Donner Pass. 2286 Comment
  CHSC72897  Calamagrostis canadensis L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5769 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD43160  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 528 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET9097740  Calandrinia ciliata var. menziesii J. Ridley 1959-4-19 24 Placer 4 miles S of Sheridan on E side between railroad tracks and Hwy 99E. Comment
  SEINET9097828  Calandrinia ciliata var. menziesii L. Smith 1979-4-12 s.n. Placer Penryn, 0.75 NE on Sisley Road off of Taylor Road, 2 feet from road. Comment
  JEPS42836  Callitriche marginata W. L. Jepson 1938-4-5 18578 a Placer Sacramento to Auburn Comment
  CAS-BOT-BC85754  Calocedrus decurrens G. W. W. 1896-9-1 s.n. Placer Near summit Soda Springs Comment
  SEINET251845  Calocedrus decurrens L. Shultz, J. Shultz 1986-9-20 10223 Placer 27 miles East of Nevada City 1700 Comment
  SEINET3863172 Image available Calocedrus decurrens D. Bortner 1973-6-2 123 Placer Two miles east of Foresthill, off Auburn-Foresthill Rd.; 0 Comment
  UC401358  Calocedrus decurrens K. Brandegee Placer Alta Comment
  SD243045  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16672 Placer Northern Sierra Nevada Mountains: Soda Springs Road, 0.3 mile north of its junction with Forest Hill Road at Robinson Flat. 2024 Comment
  CAS-BOT-BC490163  Calochortus leichtlinii Greg de Nevers 1995-8-20 10767 Placer Lake Tahoe 2133 Comment
  CAS-BOT-BC490536  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi. no. of Lincoln 45 Comment
  CAS-BOT-BC490537  Calochortus luteus John Thomas Howell; Gordon H. True 1971-5-26 47639 Placer Rainpool area in Valley Grassland, northern limits of Lincoln 48 Comment
  SEINET8197384  Calochortus luteus D. F. Erskine 1941-4-26 6 Placer 2 miles E of Roseville. 76 Comment
  SJSU9954  Calochortus minimus R. L. Fisher 1959-6-26 Placer Yuba Gap, Highway 40 1676 Comment
  UCR208587  Calochortus minimus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14652 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  CAS-BOT-BC483471  Calochortus minimus H. D. Ripley; R. C. Barneby 1948-7-13 9835 Placer Yuba Gap, Placer-Nevada Co. line 1828 Comment
  CAS-BOT-BC493401  Calochortus monophyllus L. Constance; J. L. Morrison 1938-4-30 2172 Placer At E. edge of Applegate, Sierra Nevada foothills 609 Comment
  JEPS55622  Calochortus monophyllus Wayne Roderick 1967-6-10 Placer Highway 40 at Alta turn-off 1066 Comment
  SEINET8197434  Calochortus monophyllus W. D. Billings 1940-5-18 1305 Placer Gold Run, N of Placer Mines. Comment
  SEINET8197464  Calochortus monophyllus W. Roderick, R. Halliday 1967-6-10 s.n. Placer Hwy 40 at Alta turnoff. 1067 Comment
  UCD19196  Calochortus monophyllus Heidi Pedersen; PLB 102 1987-5-23 22 Placer ca. 10 mi. past Forest Hill on Mosquito Ridge Rd. 466 Comment
  CAS-BOT-BC493086  Calochortus nudus L. S. Smith 1925-7-1 1660 Placer Barker Creek. Tahoe Forest. 2133 Comment
  UC3442  Calochortus nudus Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC126721  Calycadenia multiglandulosa G. K. Helmkamp; E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SEINET3245944  Calycadenia multiglandulosa G. K. Helmkamp, E. A. Helmkamp 2010-1 16368 Placer Sierra Nevada Mountain Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax (Colfax 7.5') 616 Comment
  UC194211  Calycadenia multiglandulosa John H. Redfield 1892-8-7 179 Placer Dutch Flat Sierra Nevada, Dutch Flat Comment
  HSC33452  Calyptridium monospermum Thomas W. Nelson, James Nelson 1974-6-17 1357 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  UC7770  Calyptridium monospermum C. J. Fox 1895-7-1 Placer Deer Park Inn Comment
  UCD100347  Calyptridium monospermum Eric Brenner; John Hunter 1996-5-26 023 Placer Tahoe National Forest, Mosquito Ridge Rd. 1080 Comment
  UCR242332  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16657 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UCD33735  Calystegia malacophylla Beecher Crampton 1972-7-26 8846 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD14941  Calystegia occidentalis Julie Knorr 1977-5-29 23 Placer California, Placer Co.; 2 miles from Auburn-Foresthill Road, along Old Foresthill Road; Comment
  UCD126172  Calystegia occidentalis subsp. occidentalis G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10706 Placer Northern Sierra Nevada Mountains: 0.2 mile N of Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  UCD14647  Calystegia occidentalis subsp. occidentalis Deanna Lynn Pfleger 1989-5-20 4 Placer California, Placer Co.; 20 miles out of the town of Auburn, along Foresthill Road; 1036 Comment
Read comments
Jun 20 2014
  UCR194948  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12003 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCD150570  Camassia quamash subsp. breviflora James A. Neilson Jr. 1971-6-30 2131 Placer Tahoe Basin, Ward Valley Drainage, Plot #132. 1920 Comment
  UCR250288  Campanula prenanthoides George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20801 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  SEINET10462874  Campanula prenanthoides Carpenter Carpenter s.n. Placer Comment
  SEINET10873267  Campanula prenanthoides Hardy 1893-1 HARDY s.n. Placer Comment
  SEINET10905905  Campanula prenanthoides Hardy 1893-1 HARDY s.n. Placer Comment
  JEPS111306  Cardamine breweri Steve Matson 2005-7-4 1377 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; along fenceline; 39.2866 N, 120.1401 W: elevation 5,900 ft. 1798 Comment
  SEINET5341056  Cardamine cordifolia A. Tiehm, E. McPherson 1974-1 522 Placer Juniper Creek. 2408 Comment
  SEINET5341070  Cardamine oligosperma M. Demorest 1962-3-15 s.n. Placer Junction of the North and Middle Forks of the American River, 4 miles from Auburn. 274 Comment
  CHSC40994  Cardamine pachystigma J. D. Jokerst 1984-6-23 2065 Placer Adjacent to and south of Big Mosquito Cr where it is crossed by road to the Placer Co Power Agency hydro site. 1249 Comment
  CDA36752  Carduus pycnocephalus D. B. Joley 1976-4-21 9 Placer Loomis; northwest of Sierra College Blvd. and Del Mar Ave. 0 Comment
  UCD140989  Carex G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12067 Placer Northern Sierra Nevada Mountains: Sugar Pine Road, 0.2 mile northwest of Forest Hill Road. 1360 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
  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
  UCD43085  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 453 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CHSC72892  Carex angustata L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5764 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UCD44672  Carex angustata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2038 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCSB63803  Carex angustata Janeway, L.; Schroder, Eric; Murrell, Katherine 1998-7-15 Placer T14N, R13E, NW1/4 of NW1/4 of sec. 35; Homewood quad.; north side of Blackwood Creek; 1.7 mi. west of LakeTahoe 1938 Comment
  CDA13691  Carex athrostachya G. F. Hrusa, J. Glazner 1997-8-3 14051 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Perennial on periphery of main meadow. Lightly shaded, probably seasonally moist areas. Comment
  UCD149401  Carex bolanderi G. Ledyard Stebbins 1976-7-4 7684 Placer Spring Hollow, E of Little Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CDA15925  Carex douglasii G. F. Hrusa, J. Glazner 1999-7-17 15176 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest in vicinity. Short, open rhizomatous colony in dry area. Uncommon here. 1889 Comment
  POM80902  Carex exserta Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  CAS-BOT-BC20169  Carex filifolia var. erostrata Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  SEINET7587709 Image available Carex fracta Robert F. C. Naczi 2006-8-3 11406 Placer Ca 4.2 mi E of town of Cisco Grove, 1.0 mi W of Nevada Co border, S of E-bound lanes of I-80, 0.4 mi W of overpass for exit 171 (Kingvale Exit). 1852 Comment
  UC830149  Carex fracta Alice Eastwood Jun 15-19 1912 471 Placer Lake Tahoe Region Comment
  RSA22116  Carex fracta J. T. Howell 1938-8-2 14012 Placer Near Calneva. Comment
  SEINET5807682 Image available Carex globosa Marcus E. Jones 1882-1 3307 Placer Emigrant Gap Comment
  CAS-BOT-BC22173  Carex helleri L. S. Smith 1927-8-12 2225 Placer Squaw Peak Ridge. Top ridge, near pass from American side. 2438 Comment
  UCD74076  Carex heteroneura Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 174 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2218 Comment
  CHSC110728  Carex hoodii Dean Wm. Taylor 2010-8-10 20991 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 Comment
  CHSC68057  Carex hoodii James D. Jokerst 1986-7-13 2699 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  CHSC74288  Carex infirminervia Susi Urie 1998-8-13 98 -043 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD42851  Carex integra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 218 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC35501  Carex jonesii Lewis S. Rose 1944-7-26 44280 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  UC830176  Carex jonesii Alice Eastwood Jun 15 1912-Jun 19 1912 472 Placer Tahoe City Lake Tahoe Region Comment
  UCD43323  Carex jonesii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 691 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43317  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 685 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET7564697 Image available Carex lenticularis var. lipocarpa Unknown 2003-8-23 7966 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake, 3.1 km south-southwest of Barker Pass. Homewood 7.5' quad. 2106 Comment
  SEINET5786653 Image available Carex luzulifolia Marcus E. Jones 1882-1 2907 Placer Emigrant Gap Comment
  CAS-BOT-BC31695  Carex mariposana John Thomas Howell 1943-7-26 18852 Placer Sugar Bowl NW of Mt. Lincoln Comment
  UC833299  Carex multicaulis Marcus E. Jones, A. M. 1882-6-28 3286 Placer Emigrant Gap Comment
  UCD43952  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1318 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC119850  Carex nebrascensis Margaret Williams 1974-8-8 74 -P1-12 Placer Murphy's Meadow, 5 mi SE of Hirschdale. 2316 Comment
  CDA15924  Carex nebrascensis G. F. Hrusa, J. Glazner 1999-7-17 15175 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74296  Carex nebrascensis Susi Urie 1998-9-3 98 -224 Placer Lake Tahoe Basin. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CHSC74299  Carex nebrascensis Susi Urie 1998-9-3 98 -235 Placer Lake Tahoe Basin. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CHSC74303  Carex nebrascensis Susi Urie; Eric Schroder 1998-9-11 98 -341 Placer Lake Tahoe Basin. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC119588  Carex nudata Bolander 4534 Placer Among rocks, American River. Comment
  UCD44621  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1987 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS73176  Carex proposita Gladys L. Smith 1972-8-25 3417 Placer se-facing slope of Granite Chief Granite Chief 2621 Comment
  CDA25018  Carex raynoldsii J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Creek bank betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC118612  Carex raynoldsii Edward W. Colson 1976-7-6 8719 Placer Lake Van Norden 2063 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
  UCSB63736  Carex scopulorum var. bracteosa Jokerst, James 1986-7-13 Placer Trail from The Cedars; high Sierra Nevada SW of Donner Lake; in Sheet Valley; in basin 2133 Comment
  CAS-BOT-BC117444  Carex senta Diane de Polo 1964-4-25 30 Placer 7 mi NW of Auburn. 365 Comment
  UCD77471  Carex serratodens Robert E. Preston 2002-6-14 1818 Placer Auburn, along Dry Creek Rd, ca. 0.8 mi e of its jct with Hwy 49. 440 Comment
  UCD44678  Carex simulata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2044 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC116994  Carex straminiformis Arnold Tiehm 1974-8-8 512 Placer South of Murphy's Meadow. 2529 Comment
  JEPS73179  Carex straminiformis Gladys L. Smith 1972-8-25 3427 A Placer along crossing cirque, n face Granite Chief Granite Chief 2621 Comment
  CAS-BOT-BC20687  Carex subfusca Lewis S. Rose 1946-6-23 s.n. Placer Rainbow, N of Cisco. 1737 Comment
  CHSC74718  Carex utriculata Susi Urie; Eric Schroder 1998-9-11 98 -340 Placer Lake Tahoe Basin Management Unit. Antone Meadows: along Burton Creek, about 2.1 mi northwest of Lake Antone. 2072 Comment
  UCD162536  Carex utriculata Steve Matson 2002-7-21 609 Placer nSNH; Truckee River region; Pole Creek near Squaw Valley. 1950 Comment
  UCD149412  Carex vesicaria G. Ledyard Stebbins 1976-7-6 7692 b Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD43787  Carex vesicaria C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1153 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC710439  Carex whitneyi Lewis S. Rose 1944-7-26 44279 Placer Chambers Lodge Lake Tahoe 1920 Comment
  POM131973  Cassiope mertensiana subsp. californica C. F. Sonne 1897-8-14 s.n. Placer Mt. Anderson Comment
  UC21989  Cassiope mertensiana subsp. californica A. M. Carpenter Aug 1892 Placer Sierra Nevada Mts. Comment
  SEINET12032252  Castanopsis sempervirens K. S. Erdman 1966-1 3541 Placer Along Interstate 80 near Emigrant Gap,Sierra Nevada Mtns 1524 Comment
  CAS-BOT-BC249006  Castilleja L. S. Smith 1928-6-9 2315 Placer Tahoe National Forest, Squaw Valley Meadow 1889 Comment
  OBI9719  Castilleja applegatei Robert F. Hoover 1967-9-5 10830 Placer Carnelian Bay, Lake Tahoe Comment
  SCFS5112  Castilleja applegatei F. Felix, Erica Krimmel 2013-5-19 9 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  CHSC9510  Castilleja applegatei subsp. disticha J. F. Goodwin 1971-7-11 162 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  CAS-BOT-BC249708  Castilleja applegatei subsp. pinetorum A. A. Heller 1909-7-16 9840 Placer Summit 2133 Comment
  CAS-BOT-BC518712  Castilleja applegatei subsp. pinetorum George K. Helmkamp; E. A. Helmkamp 2012-6-19 19212 Placer Northern Sierra Nevada Mountains Foothills: Mosquite Ridge Rd, 2.7 mi S of jct with Foresthill Rd 820 Comment
  UC187801  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner Comment
  CDA36915  Castilleja attenuata CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCR173771  Castilleja foliolosa George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10717 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
  JEPS72185  Castilleja lemmonii Gladys L. Smith 1972-6-20 3250 Placer just below Ward Peak Summit 2628 Comment
  SD237608  Castilleja lineariloba G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15915 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mile north of the American River crossing (Pilot Hill 7.5'Q) 199 Comment
  UC194176  Castilleja lineariloba C. F. Sonne 1891-5-17 Placer Auburn Comment
  SJSU2006  Castilleja miniata R. L. Fisher 1957-8-5 Placer Emigrant Meadow on headwater of Sugarbowl Cr (S Fork Yuba R), 3 mi S of Norden 2286 Comment
  UC198547  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198550  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198558  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  JEPS7444  Castilleja miniata Rimo Bacigalupi with Lawrence R. Heckard 1951-8-9 3488 Placer about 1.5 mi n Lake Tahoe at Tahoe City (in the Truckee River Canyon); Truckee River Canyon 1828 Comment
  RSA448748  Castilleja miniata Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. 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
  UCR201514  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14026 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  JEPS86474  Castilleja nana L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6550 Placer ca 5 mi se Donner Lake (e of Tinker Knob, Sherman Chickering's Soda Springs holdings); Sherman Chickering's Soda Springs 2621 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
  JEPS73662  Castilleja pruinosa L. R. Heckard with G. L. Stebbins 1973-6-18 3451 Placer about 0.5 mi e Star Town (on s side of North Fork of Middle Fork of American River, about 13 air mi ne of Foresthill) 1432 Comment
  POM42519  Castilleja pruinosa Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. 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
  CHSC73998  Castilleja tenuis Susi Urie 1998-8-28 98 -140 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  UCSB23140  Ceanothus arcuatus Towsley, Guy; McMinn, H. 1941-8-23 Placer 1/2 mile east of Dutch Flat Comment
  CAS-BOT-BC47893  Ceanothus cordulatus E. A. McGregor 1909-8-12 87 Placer Grass Lake 2194 Comment
  CAS-BOT-BC47895  Ceanothus cordulatus Frances Price 1919-1-1 s.n. Placer Tahoe Comment
  CAS-BOT-BC47899  Ceanothus cordulatus H. E. McMinn 1926-5-29 1752 -A Placer At Crystal Lake-road to Truckee 3 mi west of Cisco Hotel Comment
  SBBG128618  Ceanothus cordulatus G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19222 Placer Devil's Thumb Rd (Deadwood Rd), 1.2 mi S of its jct with Foresthill Rd 1648 Comment
  UCD111380  Ceanothus cordulatus Beecher Crampton 1976-10-14 9318 Placer Blue Canyon airport area. 1524 Comment
  CAS-BOT-BC48469  Ceanothus cuneatus H. E. McMinn 1926-5-28 1750 Placer 6 mi. north of Folsom (Allens - local name of place), must be near Rose Spring, 5 mi east of Roseville Comment
  SACT002902  Ceanothus cuneatus Michael Baad 1983-5-14 Placer 3.0 miles west of Forest Hill on Auburn-Forest Hill Divide Road Comment
  SACT002904  Ceanothus cuneatus Michael Baad 1977-4-13 Placer 0.2 mile north of Highway I80 on Placer Hills Road to Meadow Vista, ecotone between ponderosa pine forest and chaparral 502.92 Comment
  RSA754660  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-4-3 DOB 1077 b Placer North Fork American River Watershet, Forest Hill Divide, near turn-off for Mammoth Bar OHV area, Auburn State Recreation Area, roadside on Old Foresthill Road, 1.8 road miles (2.9 km) NE of intersection with SR 49., 6.1 km 63 degrees true ENE of Auburn. 350 Comment
  JEPS26854  Ceanothus fresnensis L. S. Smith 1931-8-28 2632 Placer Onion Creek, North Fork American River 2133 Comment
  CAS-BOT-BC50757  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  CAS-BOT-BC50760  Ceanothus integerrimus C. L. Hitchcock 1940-5-7 6354 Placer Ca. 1 mile west of Baxter Comment
  CAS-BOT-BC50800  Ceanothus integerrimus Marcus E. Jones 1882-6-28 2656 Placer Emigrant Gap Comment
  SEINET177897  Ceanothus integerrimus Marcus E. Jones 1882-5-28 2656 Placer Emigrant Gap Comment
  UCD112016  Ceanothus integerrimus Ray Prag 1973-8-15 s.n. Placer South side of Highway 80, at interchange east of Baxter. 1219 Comment
  SEINET13945947 Image available Ceanothus integerrimus Susie M. Peers 1946-1 s.n. Placer Shirttail Canyon, near Forest Hill. Comment
  UCD16103  Ceanothus integerrimus var. californicus Gary Brickner 1984-5-12 31 Placer California. Placer County: 4 mi east of Forest Hill on Forest Hill Rd. 1121 Comment
  CAS-BOT-BC50723  Ceanothus integerrimus var. macrothyrsus Peter H. Raven 1950-6-26 2417 Placer Baxter's 1219 Comment
  CAS-BOT-BC51040  Ceanothus integerrimus var. macrothyrsus G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC63353  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63355  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63359  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  POM145273  Ceanothus prostratus Simonds 1928-05 s.n. Placer Above Grass Valley Comment
  UCD40935  Ceanothus prostratus Sook Hong 1989-5-20 13 Placer location unknown. 1615 Comment
  UCR191062  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 11.1 miles northeast of Foresthill 1463 Comment
  UCR270695  Ceanothus prostratus John F. Emmel 1998-7-9 1573 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  RSA790859  Ceanothus tomentosus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18946 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  UC1071439  Ceanothus tomentosus J. E. Sowder, R. W. Lundh 1933-4-16 38 Placer main highway 4 mi n Colfax; Colfax Quad. Comment
  RSA0028383  Ceanothus tomentosus Fay A. MacFadden 1934-3-31 12486 Placer Near Monte Vista Inn. Comment
  CAS-BOT-BC63179  Ceanothus velutinus var. velutinus Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe. 1889 Comment
  CDA20198  Centaurea maculosa A. Williams 2003-8-12 PDR 1407013 Placer Sierra Nevada; Fawn St., Homewood. 0 Comment
  CDA36362  Centaurea maculosa Bob Graton/Wendy West 2011-9-23 PDR# 1332991 Placer Squaw Valley Ski Resort. 0 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
  POM351523  Centaurea solstitialis Wm. Martin 1971-9-11 20288 Placer North fork of American River, 1 mile south of Auburn on Rt. 49 Comment
  CAS-BOT-BC443966  Centaurium tenuiflorum C. Rose Broome 1978-8-3 2313 Placer Town of Rough and Ready, next to Penn Valley, 29.5 mi E of Marysville on CA Hwy 20; 8 mi W of Grass Valley. 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
  SEINET6166154  Cephalanthera austiniae M. J. Williams 1984-6-24 84- 62 -2 Placer Skillman Flat Campground, near Highway 20 1341 Comment
  CHSC96464  Cerastium glomeratum Lowell Ahart; Brian Williams 2007-4-13 13642 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  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
  UCD159478  Chaenactis douglasii D. S. Park 2010-8-21 231 Placer Off Hampshire Rocks Rd. Shaded understory. Not adundant. Few individuals near dried creek bed. 1806 Comment
  CAS-BOT-BC276710  Chaenactis douglasii var. douglasii Geo. B. Grant 1906-7-15 7023 Placer Tahoe Tavern, Lake Tahoe Comment
  CHSC45110  Chaenactis douglasii var. douglasii Lowell Ahart 1972-7-7 136 Placer Near the Middle Fork of the American River, about 1/10 mile south-east of Ahart Camp, French Meadows. 1524 Comment
  UC1035483  Chaenactis douglasii var. douglasii Kay H. Beach 1940-6-30 813 Placer 5.6 mi e Emigrant Gap (on US 40); Sierra Nevada Mountains 1676 Comment
  CAS-BOT-BC283970  Chaenactis glabriuscula var. glabriuscula L. S. Smith 1925-6-6 1631 Placer Colfax - Foresthill Road 518 Comment
  POM260095  Chaenactis glabriuscula var. heterocarpha C. L. Hitchcock 1940-5-15 6405 Placer 6 miles N of Colfax Comment
  CAS-BOT-BC141723  Chamaebatia foliolosa C. B. Wolf 1931-9-11 1299 Placer 1 mile west of Gold Run - Sierra Nevada 914 Comment
  RSA451328  Chamaebatia foliolosa Wm. Martin 1971-9-10 20248 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  UC466599  Chamaebatia foliolosa W. W. Mackii Apr 1 1904-May 1 1904 Placer Newcastle Comment
  UCD112926  Chamaebatia foliolosa Alan B. Chan 1977-5-28 27 Placer Mosquito Ridge Road, 1.6 rd mi. SE of Auburn-Foresthill Road. Comment
  UCD40934  Chamaebatia foliolosa Sook Hong 1989-5-20 15 Placer Forest Hill. 2 miles from Mosquito Ridge. 554 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
  CAS-BOT-BC166013  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1943-7-25 18803 Placer West side of Donner Pass near Norden 2133 Comment
  JEPS127414  Chamerion angustifolium subsp. circumvagum Steve Matson 1998-8-21 385 Placer Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek near dirt roads and power lines. Comment
  UC1122506  Chamerion angustifolium subsp. circumvagum G. F. Burks 1934-9-14 41 Placer Truckee River Tahoe National Forest, Truckee Quadrangle Comment
  UCD44541  Chamerion angustifolium subsp. circumvagum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1907 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  POM164804  Chenopodium pumilio A. M. Carpenter s.n. Placer [No further location information] Comment
  UCR218121  Chlorogalum grandiflorum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16394 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR215903  Chlorogalum pomeridianum George K. Helmkamp, Amy Barnes 2009-7-12 15172 Placer Sierra Nevada Mountains Foothills, along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  CHSC97012  Chondrilla juncea L. P. Janeway 2007-7-8 9107 Placer Northern Sierra Nevada Foothills. Along Hwy 193 0.6 km east of Newcastle. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 268 Comment
  SD143574  Chondrilla juncea R. D. Goeden, D. W. Ricker 1967-6-9 Placer Sierra Nevada foothills, Newcastle, on Interstate 80 southwest of Auburn 249 Comment
  CDA36758  Chondrilla juncea D. B. Joley 1976-4-22 14 Placer Loomis area. 0 Comment
  UC1135253  Chrysolepis sempervirens D. Schlobohm 1934-10-2 2 Placer 2 mi s Truckee; Tahoe National Forest, Truckee Quad. 1859 Comment
  UCD21705  Chrysopsis breweri Rex Palmer Date Unknown N 891 Placer Headwaters basin area of the North Fork of the American River Comment
  POM352123  Cichorium intybus Wm Martin 1971-9-10 20206 Placer Vicinity of Applegate, 7 miles E of Auburn. Comment
  UCD59792  Cinna latifolia L. S. Smith 1915-8-15 s. n. Placer Deer Creek, Lake Tahoe, Squaw Valley. Comment
  JEPS127497  Circaea alpina subsp. pacifica Steve Matson 1998-7-28 365 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  SEINET12189143  Circaea alpina subsp. pacifica J. A. Shafer 1884-1 s.n. Placer Comment
  UC19993  Circaea alpina subsp. pacifica Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC289613  Cirsium andersonii Peter Rubtzoff 1976-9-19 8870 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  UCR146923  Cirsium arvense Beecher Crampton 1961-9-27 6019 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  UCD130667  Cirsium occidentale var. venustum D. H. Hartmann 1941-6-8 s.n. Placer near Auburn, along U.S. #40. 914 Comment
  CAS-BOT-BC439024  Cistanthe monosperma Alice Eastwood 1903-1-1 73 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC439025  Cistanthe monosperma Alice Eastwood 1912-6-15 s.n. Placer Truckee, Lake Tahoe Region Comment
  UC634698  Clarkia biloba H. L. Mason 1926-5-28 3270 Placer 5 mi above Auburn Comment
  UC930772  Clarkia biloba A. A. Heller 1917-6-19 12746 Placer 4 mi e Colfax Comment
  CAS-BOT-BC172408  Clarkia biloba subsp. brandegeeae A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  CHSC98760  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-7 1248 Placer North of Colfax, east side of Hwy I-80, north of Long Ravine railroad trestle. Plants along Carpenter Road. 658 Comment
  UCD127936  Clarkia biloba subsp. brandegeeae Belinda Lo; Jade Paget-Seekins 2011-6-11 s.n. Placer One mile as the crow flies northwest of Pennsylvania Point in the Ralston area of the Eldorado National Forest, between roads 14N25 and 14N25KA. 755 Comment
Read comments
May 6 2013
  UCR233229  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2011-7-9 17689 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  CAS-BOT-BC162496  Clarkia purpurea subsp. purpurea Alice Eastwood 1921-5-22 10593 a Placer Sacramento Valley, between Lincoln & Sheridan Comment
  RSA0059915  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-5-12 8613 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  UC217471  Clarkia purpurea subsp. purpurea H. M. Hall 1917-3-9 10291 Placer just above Lincoln; Sacramento Valley Comment
  UC660017  Clarkia purpurea subsp. quadrivulnera Lincoln Constance 1941-5-28 2821 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  SEINET3260811 Image available Clarkia purpurea subsp. viminea Marcus E. Jones 1882-7-3 3341 Placer Colfax. Comment
  UC1122445  Clarkia rhomboidea B. Bolt 1934-7-4 76 Placer Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UCR193338  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2007-5-30 12176 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UC423052  Clarkia unguiculata David D. Keck 1928-6-12 420 Placer Auburn 304 Comment
  SEINET5336354  Claytonia parviflora subsp. grandiflora C. Aarstad, Hugh N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River; Mosquito Ridge Road to Grench Meadows. 518 Comment
  CAS-BOT-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
  UCR171545  Claytonia perfoliata George K. Helmkamp, E. A. Helmkamp 2006-2-9 10058 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  UCD21923  Claytonia rubra subsp. rubra Rex Palmer 1979-6-8 N 123 Placer Headwaters basin area of the North Fork of the American River 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
  UCD15157  Clematis lasiantha Phyllis Adams 1982-4-24 16 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 365 Comment
  CAS-BOT-BC238043  Collinsia Saichi Kawahara 1969-5-24 824 Placer On slope overlooking the north fork of the American River. On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  SEINET3159399  Collinsia G. B. Grant 1906-1 6949 Placer about Lake Tahoe 2438 Comment
  JEPS111193  Collinsia parviflora Steve Matson 2005-7-4 1367 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  POM49315  Collinsia parviflora Marcus E. Jones 1882-6-27 3293 Placer Emigrant Gap. Comment
  SBBG27379  Collinsia parviflora C. L. Hitchcock 1995-5-14 6395 Placer Meier Ranch, ca. 6 mi N of Colfax Comment
  CDA36880  Collinsia sparsiflora CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  POM263619  Collinsia torreyi L. S. Rose 1941-7-18 41320 Placer Chambers Lodge (McKinney), Lake Tahoe. 1900 Comment
  SEINET13406670  Collinsia torreyi L. R. Miller 1934-6-10 s.n. Placer Lake Tahoe, near Homewood. Comment
  SEINET5796623 Image available Collinsia torreyi L. S. Rose 1941-1 41320 Placer Chambers Lodge (McKinney), Lake Tahoe; 39.073241 -120.1413 1900 Comment
  SEINET13406560  Collinsia torreyi M. J. Williams 1984-6-24 84- 64 -3 Placer E side of Hwy 20, near the intersection with the Diamond Creek Road. 1646 Comment
  UC566097  Collinsia torreyi var. torreyi B. Bolt 1934-7-11 99 Placer Tahoe National Forest, Cascade Lake Cascade Lake; Tahoe National Forest, Cascade Lake 2042 Comment
  JEPS72695  Collinsia torreyi var. wrightii Gladys L. Smith 1972-6-18 3167 Placer Alpine Meadows 2072 Comment
  SBBG8974  Collomia grandiflora E. R. Blakley 1960-9-2 804 Placer mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  UCR218223  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2010-6-26 16386 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  POM260278  Collomia heterophylla C. L. Hitchcock 1940-5-7 6315 Placer 1 mile west of Baxter. Comment
  UCD43104  Collomia linearis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 472 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS127511  Collomia tinctoria Steve Matson 2000-6-24 455 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  SCFS5067  Convolvulus arvensis E. Krimmel 2014-6-26 Placer Above NF American river, on north side not far above Heath Falls overlook Comment
  UCD13352  Convolvulus arvensis M. Winthrop 1989-6-3 2 Placer Placer Co.;:Dry creek exit off 80. T 12N, R 8E, Sect. 16, SW 1/4. Elev. 1200 ft. 365 Comment
  UCD150752  Convolvulus arvensis James A. Neilson Jr. 1970-10-9 1908 Placer Tahoe Basin, Tahoe City. 1901 Comment
  JEPS126422  Conyza canadensis Steve Matson 2003-9-7 960 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on pond at mouth of West Fork Snow Creek near Highway 28. Comment
  SJSU9108  Corallorhiza maculata Robert L. Fisher 1959-6-28 Placer Yuba Gap, Hwy 40, near county line; Placer & Nevada county 1676 Comment
  UCD14367  Corallorhiza striata Sutton 1984-5-1 16 Placer 4 miles down Blue Canyon Road off of Highway 50. 1371 Comment
  SCFS1122  Cordylanthus tenuis E. Krimmel, Michael Hamilton 2013-8-13 Placer NFAm. Dry meadows, Chickering Reserve. Comment
  LA83022  Cordylanthus tenuis subsp. tenuis O. H. Kappler; 1946-7-18 1313 Placer Homewood, Lake Tahoe 1920 Comment
  RSA755612  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  SEINET2441557  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5' Q.). 1662 Comment
  SEINET3245663  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2009-1 15424 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5') 1661 Comment
  UCD123162  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11212 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1311 Comment
  UC177213  Cornus greenei A. R. Valentien May, 1914 Placer near Cool Comment
  CHSC96762  Cornus nuttallii M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 227 Placer Forest Hill Divide. Placer County. UTM: 10S, 4329930 N, 0691823 E. Hughes Mill, along Finning Mill Rd, - 3 mi N of Forest Hill Rd, - 3 mi E of Forest Hill. 1066 Comment
  UCD14939  Cornus nuttallii John Warren 1977-6-4 44 Placer California, Placer Co.; 3.2 miles northwest of the junction with Interstate-80 along Highway 20; Comment
  UCR246505  Cornus nuttallii Martin J. Beran 1994-5-27 023 Placer Lang Crossing of Hwy 20, South Fork of Yuba River, 20 m from river along dirt road 1415 Comment
  SEINET8083588  Cornus nuttallii C. Troupe 1960-3-19 s.n. Placer North Fork American river 3 miles south of Auburn. 396 Comment
  UCSC000455  Cornus nuttallii Unknown 1933-4-26 55 Placer 3 mi. S.W. of Gold Run Gold Run - Colfax 914 Comment
  UC484021  Cornus sericea subsp. sericea Carl B. Wolf 1930-10-10 Placer 1 mi. e. Cisco; Sierra Nevada 1828 Comment
  UCR170809  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2005-9-30 9934 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  POM148858  Corydalis caseana C. F. Sonne 1895-07 s.n. Placer Ravine on Truckee River, Sierra Nevada Comment
  CHSC40074  Corydalis caseana subsp. caseana C. F. Sonne 1895-7-1 Placer Sierra Nevada Mountains. Ravine on Truckee River. 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
  JEPS126421  Crepis acuminata Steve Matson 1997-7-19 81 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. to west Fork of Snow Creek. Comment
  CAS-BOT-BC291526  Crepis intermedia M. S. Jussel 1928-6-25 s.n. Placer Tahoe City Comment
  CAS-BOT-BC290733  Crepis occidentalis subsp. conjuncta Dr. A. Kellogg 1870-6-18 s.n. Placer Camp Yuba - Cisco Comment
  CDA15957  Crepis pleurocarpa G. F. Hrusa, J. Glazner 1999-7-17 15143 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC68042  Crepis pleurocarpa James D. Jokerst 1986-7-13 2701 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  UCR219648  Croton setiger George K. Helmkamp, E. A. Helmkamp 2010-6-26 16370 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CDA35298  Croton setiger T. C. Fuller 1958-7-7 1999 Placer 2 miles north of Roseville. 0 Comment
  UCD150830  Cryptantha Beecher Crampton 1985-6-23 9993 a Placer Placer County, North Shore Lake Tahoe, Stateline Road. 1950 Comment
  UC1178527  Cryptantha affinis Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 Comment
  SD62073  Cryptantha flaccida Darley F. Howe 1965-5-20 4056 Placer 3.5 miles north of Auburn 455 Comment
  JEPS71660  Cryptantha humilis Gladys L. Smith 1972-6-20 3211 Placer about terminus of summit chairlift Ward Peak 2621 Comment
  UC193757  Cryptantha humilis C. F. Sonne 1885-6-21 Placer Squar Valley, on Truckee River Truckee River Comment
  UCD22124  Cryptantha simulans Rex Palmer 1979-6-21 N 381 Placer Headwaters basin area of the North Fork of the American River Comment
  OBI20818  Cryptantha torreyana Robert F. Hoover 1967-9-7 10861 Placer Antone Meadow Comment
  UC1874970  Cryptogramma acrostichoides Ruth Kirkpatrick 2001-7-16 1061 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  POM65967  Cuscuta californica Katherine Brandegee 1917-08 s.n. Placer Cisco Comment
  SEINET2442325  Cuscuta californica var. californica George K. Helmkamp, E. A. Helmkamp 2009-8-12 15441 Placer Sierra Nevada Mountains: Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill. 2033 Comment
  UCD18252  Cymopterus terebinthinus E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 464 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
  UCD21634  Cymopterus terebinthinus Rex Palmer 1979-6-20 N 348 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21635  Cymopterus terebinthinus Rex Palmer 1979-6-9 N 136 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  SACT000827  Cynodon dactylon D. Meyer 1984-5-28 Placer Next to orchard. 206.0 Comment
  UCD163427  Cynodon dactylon Robert E. Preston 2015-6-15 3004 Placer 1.7 mi SE of Sheridan, 0.4 mi E of Old Hwy 65, 0.1 mi N of Yankee Slough. 31 Comment
  SACT000848  Cynosurus echinatus Michael Baad 1977-6-9 Placer At junction of Middle Fork of the American River and the Rubicon River 365.76 Comment
  UCR262440  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2011-12-9 18502 Placer Sacramento Valley, Sunset Blvd. West, 5.8 miles west of its junction with Fiddyment Road 29 Comment
  UCD124127  Cyperus niger Ellen Dean; Marcel Rejmanek 2012-10-9 7501 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
  UCD54577  Cyperus niger Ellen Dean; Tammie Beyerl 2006-1-11 2771 Placer NW part of town of Auburn, north of municipal airport and south of Dry Creek Rd. 435 Comment
  CAS-BOT-BC113819  Cyperus niger var. capitatus Beecher Crampton 1952-11-9 922 Placer 1.5 miles S of Meadow Vista, 6 miles E of Auburn. Comment
  SEINET3228410 Image available Cytisus scoparius M. F. Wojciechowski 2002-6-25 1000 Placer Roadside along I-80, collected adjacent to rest area near Dutch Flat/Gold Run exit. 945 Comment
  UCD39019  Cytisus scoparius Beecher Crampton 1960-11-2 5792 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  SEINET175768 Image available Dactylis glomerata M. E. Jones 1882-5-27 3283 Placer Emigrant Gap Comment
  UCD60281  Dactylis glomerata Eric S. Nagy 1990-6-2 23 Placer Bridalveil Falls, Rt. 50. Comment
  SACT000877  Dactylis glomerata 1925-5-29 Placer No determiner/collector listed. Comment
  SACT000886  Danthonia californica D. Meyer 1984-7-8 Placer roadside 1758.0 Comment
  UCD60504  Danthonia californica var. americana Beecher Crampton 1964-7-21 7117 Placer 1/2 mile WNW of Cisco Grove, US Hwy. 40. 1706 Comment
  UCD61002  Danthonia californica var. americana Mrs. H. P. Kelley 1916-7-15 Placer Fallen Leaf Lake, Tahoe. Comment
  UCD61008  Danthonia californica var. americana E. Wilson 1935-8-11 s. n. Placer Cisco Grove. Comment
  UCD32806  Danthonia unispicata Beecher Crampton 1964-7-21 7116 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. Comment
  CAS-BOT-BC420642  Darmera peltata Brandegee Unspecified s.n. Placer Blue Canon Comment
  SEINET6647469  Dasiphora fruticosa P. B. Kennedy, S. B. Doten 1901-8-10 275 Placer Summit of Tinker Knob. Comment
  JEPS59471  Delphinium andersonii Ezra Brainerd and Viola B. Baird 1915-7-2 213 Placer Squaw Creek Sierra Nevada Mts. 1920 Comment
  POM265558  Delphinium decorum C. L. Hitchcock 1940-5-7 6334 Placer 1 mile west of Baxter. Comment
  POM270666  Delphinium depauperatum Lyman Benson 1942-7-2 11255 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD22183  Delphinium glaucum Rex Palmer 1979-7-25 N 673 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA12401  Delphinium nuttallianum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8529 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 m SW of Tahoe City. Comment
  UCD22181  Delphinium nuttallianum Rex Palmer 1979-6-20 N 281 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET5338167  Delphinium variegatum A. Beninghoff 1930-4-20 1458 Placer Lincoln Comment
  SFV11643  Delphinium variegatum subsp. variegatum M. L. Vincent 1965-4-16 645 Placer 4 miles south of Marysville. Comment
  CAS-BOT-BC82864  Dendromecon rigida Belle R. Jackson 1932-6-1 s.n. Placer Near Gold Run, above Colfax. Comment
  RSA97471  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer 3 miles west of Iowa Hill 915 Comment
  SEINET5339590  Dendromecon rigida B. Condie 1955-5-14 s.n. Placer Found on roadside out of GoldRun Calif. 1372 Comment
  SACT000903  Deschampsia cespitosa D. Meyer 1984-7-21 Placer Moist roadside ditch and pine wooded area dense shade. 1927.0 Comment
  UCD43275  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 643 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43363  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 731 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44710  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2076 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC192430  Deschampsia cespitosa subsp. cespitosa Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  JEPS68487  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1918-7-30 7734 Placer Lake Tahoe near Tahoe City; Lake Tahoe 1920 Comment
  UCD35461  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer Placer County; 2 miles north of Lincoln. Comment
  SACT000935  Deschampsia elongata Michael Baad 1983-7-16 Placer 0.2 mile southwest of Big Meadows on road to French meadows, along southern edge of State Game Refuge. 1524.0 Comment
  SACT000942  Deschampsia elongata D. Meyer 1984-6-17 Placer South of the American River. 2.88km from Foresthill Road. 411.48 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
  SACT000953  Deschampsia elongata D. Meyer 1983-6-25 Placer 1418.0 Comment
  SEINET9340012  Deschampsia elongata Unknown 2009-7-16 15206 Placer Duncan Peak Comment
  UC1131475  Deschampsia elongata B. Bolt 1934-8-14 176 Placer e. slope of Red Star Ridge; Truckee Quad., Red Star Ridge Comment
  UCR206719  Deschampsia elongata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15206 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CDA12386  Descurainia incana G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8514 a Placer Lake Tahoe; Upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CAS-BOT-BC43032  Descurainia incisa subsp. incisa Lewis S. Rose 1944-7-12 44084 Placer Lake Tahoe. Chambers Lodge. 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
  UC147583  Dicentra formosa Harriet A. Walker 1908-6-24 1252 Placer Blue Canyon 1432 Comment
  SDSU7279  Dicentra formosa D. R. Harvey 1960-5-29 Placer Between Forest Hill & Colfax. Comment
  UCD13326  Dicentra formosa Kristy S. Howard 1989-6-3 200 Placer Highway 174. 609 Comment
  CAS-BOT-BC402453  Dicentra formosa subsp. formosa A. A. Heller 1917-6-19 12732 Placer Emigrant Gap 1615 Comment
  CDA19540  Dichelostemma capitatum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 238 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
  RSA20900  Dichelostemma capitatum subsp. capitatum Carl B. Wolf 1937-3-30 8363 Placer Sacramento Valley. 2 miles N of Lincoln. 53 Comment
  RSA333564  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-7 13 Placer On Sierra College Blvd, 2.3 miles N of Douglas Blvd intersection. 460 Comment
  UCR257101  Dichelostemma volubile George K. Helmkamp, Amy Barnes 2014-4-23 22785 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
  UC29822  Dieteria canescens var. shastensis W. H. Brewer August 1863 2152 Placer e side Lake Tahoe (near Camp 140); e side of Lake Tahoe Comment
  SACT000966  Digitaria sanguinalis D. Meyer 1984-10-24 Placer Roadside next to cultivated rice field. 27.3 Comment
  SD241951  Diplacus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15891 Placer Sierra Nevada Mountains Foothills; Rattlesnake Bar Road, 7.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 331 Comment
  CAS-BOT-BC150475  Diplacus grandiflorus Saichi Kawahara 1969-5-24 822 Placer Slope overlooking the American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  SEINET13769195 Image available Diplacus grandiflorus Marcus E. Jones 1882-1 3288 Placer Emigrant Gap Comment
  SBBG50887  Diplacus grandiflorus J. Bockus 1974-5-25 12 Placer near cyn by roadside, Mosquito Ridge Rd, 5.2 mi E of Foresthill Comment
  CAS-BOT-BC153231  Diplacus kelloggii Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4004 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  SEINET188372  Diplacus layneae C. L. Hitchcock 1940-1 6406 Placer 6 mi N of Colfax 762 Comment
  SBBG66700  Diplacus torreyi M. N. Ackley -Jun-1925 1056 Placer Dutch Flat 1033 Comment
  SEINET14196675  Diplacus torreyi L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  CAS-BOT-BC151672  Diplacus torreyi Miss. M. E. B. Norton 1911-7-1 s.n. Placer Deer Park Springs - Sierra Nevada 1981 Comment
  CAS-BOT-BC151314  Diplacus tricolor Gordon H. True 1971-4-9 6475 Placer Rainpool area in Valley Grassland, northern limits of Lincoln. 48 Comment
  RSA367632  Disporum hookeri var. hookeri William Martin 1971-9-10 20255 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  SACT000996  Distichlis spicata D. Meyer 1984-8-17 Placer 4.8 km west of Blue Canyon exit. 1291.0 Comment
  UCD64336  Distichlis spicata Beecher Crampton 1956-7-17 3721 Placer Blue Canyon. 1432 Comment
  SEINET8561743  Dodecatheon hansenii F. Brunetti 1962-3-17 s.n. Placer 2 miles E of Auburn, above North Fork American River. 274 Comment
  UC1561214  Dodecatheon hendersonii Barbara Ertter with David Thompson 1989-4-9 8179 Placer ca 5 air mi nw Foresthill (Shirttail Canyon Road 2.4 mi from Dipper Road); nw of Forestville, Shirttail Canyon Road 609 Comment
  UCD15695  Dodecatheon hendersonii Sook Hong 1989-5-20 3 Placer Just outside of Placer County (?). 670 Comment
  RSA739597  Downingia bicornuta var. bicornuta John Dittes 2003-5-25 2003 -23 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  JEPS14454  Downingia bicornuta var. picta R. E. Arp 1932-4-28 4 Placer Roseville Comment
  JEPS126344  Downingia montana Steve Matson 1997-7-5 35 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Wildlife Area; 50 yards north of Highway 267 and 200 yards west of Martis Creek. Comment
  CAS-BOT-BC41961  Draba albertina Alice Eastwood 1909-1-1 283 Placer Lake Tahoe Region. Ward Pass. Comment
  CAS-BOT-BC41236  Draba nemorosa M. E. Jones 1882-4-9 s.n. Placer Emigrant Gap. Comment
  RSA0047105  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2009-7-16 15192 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  UCR209741  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 1662 Comment
  UCR231833  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2010-8-14 16777 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
  UCD22270  Drymocallis glandulosa Beth Lowe Corbin 1982-8-3 187 Placer Onion Creek Campground. 1841 Comment
  UC147644  Drymocallis glandulosa var. glandulosa Harriet A. Walker 1908-6-23 1206 Placer Blue Canyon 1432 Comment
  JEPS111178  Drymocallis glandulosa var. reflexa Steve Matson 2005-6-19 1301 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  CAS-BOT-BC527343  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer Near Dutch Flat 914 Comment
  SEINET6691334  Drymocallis hansenii P. B. Kennedy, S. B. Doten 1901-8-18 417 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  UC481575  Drymocallis lactea var. austiniae G. W. Fetters 1929-6-14 Placer in sand near lakeshore (Pomin's); Lake Tahoe, Pomin's Comment
  CAS-BOT-BC157894  Drymocallis lactea var. lactea Geo. B. Grant 1906-7-15 7033 Placer Tahoe Tavern Comment
  CAS-BOT-BC157895  Drymocallis lactea var. lactea Geo. B. Grant 1906-7-15 7000 Placer Tahoe Tavern, Lake Tahoe Comment
  SEINET6691916  Drymocallis lactea var. lactea P. Lehenbauer 1932-6-26 s.n. Placer At origin of Truckee River, south side of Tahoe City Comment
  UCR218132  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2010-6-26 16385 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SD120667  Dudleya cymosa subsp. cymosa James C. Dice 1983-5-18 Placer Applegate, 0.3 mile north of Boole Road on Sierra Vista Road. 565 Comment
  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
  UCD138102  Egeria densa W. B. McHenry 1961-7-31 s.n. Placer Reservoir west of Auburn. Comment
  UCD44712  Eleocharis macrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2078 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  POM313072  Eleocharis palustris Malcolm A. Nobs, S. Galen Smith 1949-8-21 1508 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe Comment
  UCD33746  Eleocharis palustris Beecher Crampton 1972-7-26 8857 Placer Placer County, ca. 1 mile west of Cisco Grove on Interstate 80. 1676 Comment
  UCR257596  Elymus caput-medusae George K. Helmkamp, Amy Barnes 2014-3-21 22645 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  SEINET12737908  Elymus elymoides S. B. Doten 1901-6-15 46 Placer Near Last Chance. Comment
  UCD22217  Elymus elymoides Rex Palmer 1979-7-26 N 849 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT001069  Elymus elymoides J. Sitts 1983-8-11 Placer Above tree line. 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
  RSA59402  Elymus glaucus E. K. Balls 1950-9-8 15721 Placer Lakes Center Public Campground 2043 Comment
Read comments
Sep 16 2014
  RSA604108  Elymus glaucus Eric Brenner, John Hunter 1996-5-26 10 Placer Tahoe national Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon 570 Comment
  UCD61821  Elymus glaucus Beecher Crampton 1955-6-15 2896 Placer Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  UCD62277  Elymus glaucus B. Bolt. 1934-7-3 74 Placer Top of Sawtooth Ridge, Colfax. 1219 Comment
  SEINET2473480 Image available Elymus glaucus subsp. glaucus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-1 16436 Placer Sierra Nevada Mountains Foothills; Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 410 Comment
  SEINET3821619 Image available Elymus glaucus subsp. glaucus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17863 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi NE (65 degrees) of Emigrant Gap (Blue Canyon 7.5' Q) 1590 Comment
  UCR229545  Elymus glaucus subsp. glaucus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17863 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  UCD44477  Elymus glaucus subsp. jepsonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1843 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC234139  Elymus multisetus John Thomas Howell; Gordon H. True 1971-5-26 47636 Placer Northern limits of Lincoln 48 Comment
  CDA39773  Elymus ponticus D. G. Kelch 2011-10-3 11 .817 Placer Tahoe City. Granlibakken Resort. Comment
  UCD62612  Elymus stebbinsii subsp. septentrionalis B. Bolt 1934-7-3 71 Placer Top of Sawtooth Ridge. 1219 Comment
  UCD22261  Elymus trachycaulus subsp. trachycaulus Beth Lowe Corbin 1982-8-3 172 Placer Onion Creek Campground. SW facing slope. Full sun to partial shade. Moderately abundant. Open, dry meadow, more abundant toward the creek. In fine, sandy, granitic soil. Perennial bunchgrass, forming smallish clumps. 1841 Comment
  UCD43095  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 463 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC410299  Enemion occidentale Mary E. Jump 1939-3-30 s.n. Placer Alta Comment
  CAS-BOT-BC410298  Enemion occidentale Serena Philips 1915-4-2 s.n. Placer Mountains near Alta Comment
  CHSC73961  Epilobium brachycarpum Susi Urie 1998-8-18 98 -064 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74106  Epilobium brachycarpum Susi Urie 1998-8-25 98 -088 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS127501  Epilobium brachycarpum Steve Matson 1998-6-7 324 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267 at base of highway rampart, just west of Martis Creek. Comment
  CAS-BOT-BC171972  Epilobium canum subsp. latifolium G. W. Dunn 1895-9-1 s.n. Placer Summit Comment
  JEPS72759  Epilobium canum subsp. latifolium Gladys L. Smith 1972-8-25 3443 Placer glacial stairsteps above Squaw Valley (on trail to Granite Chief) 2225 Comment
  RSA121167  Epilobium canum subsp. latifolium B. Bolt 1934-8-13 169 Placer East slope of Red Star ridge 1860 Comment
  UC570211  Epilobium canum subsp. latifolium B. Bolt 1934-8-13 169 Placer Red Star Ridge Truckee Quadrangle (e slope) 1859 Comment
  UC874274  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer base of a cliff n Summit hotel 2164 Comment
  UCD105596  Epilobium canum subsp. latifolium G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, et al. 1952-7-20 5133 Placer Along Shirttail Creek, just above its junction with N Fork American River, along road from Colfax to Forest Hill. Comment
  CHSC73965  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-8-25 98 -090 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC75290  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-9-3 98 -234 Placer Lake Tahoe Basin--National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UCD22092  Epilobium ciliatum subsp. ciliatum Rex Palmer 1979-7-9 N 437 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA13683  Epilobium densiflorum G. F. Hrusa, J. Glazner 1997-8-3 14043 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD21995  Epilobium glaberrimum Beth Lowe Corbin 1982-8-5 248 Placer Onion Creek campground. In wet soil along stream's edge. Flowers rose pink, petals bilobed. Full sun. SW facing slope, 15% incline. Occasional. 1841 Comment
  CHSC74109  Epilobium hallianum Susi Urie 1998-8-28 98 -129 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  JEPS111287  Epilobium hallianum Steve Matson 2005-7-4 1375 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; along fenceline; 39.2866 N, 120.1401 W: elevation 5,900 ft. 1798 Comment
  UCD43290  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 658 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD42897  Epilobium hornemannii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 265 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SD102800  Epilobium lactiflorum Darley F. Howe 1978-7-14 Placer Along state highway 20, 29 miles west of Truckee. 1646 Comment
  UCD106511  Epilobium minutum Frederica Bowcutt 1994-7-22 1949 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  UCD21994  Epilobium obcordatum Beth Lowe Corbin 1982-8-4 243 Placer 1 1/2 miles north of Onion Creek campground. Flowers purple magenta. Stems purplish at base. Plant forming a mist over rocky, fine, sandy, granitic soil. Edge of loose talus slope, open White Fir forest. Mostly sun. East facing slope, 50% incline. Uncommon, 2 large mats present. 2255 Comment
  SEINET12861533  Epilobium obcordatum W. D. Billings 1951-8-21 2145 Placer Sierra Nevada, Squaw Peak 2591 Comment
  JEPS127411  Epilobium oregonense Steve Matson 2002-7-2 550 Placer Tahoe North Shore, Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek. Comment
  JEPS59475  Epilobium oregonense Ezra Brainerd and Viola B. Baird 1915-7-22 217 Placer bog opposite Waltons (by river); Sierra Nevada Mts., Truckee River 1905 Comment
  CAS-BOT-BC57827  Equisetum hyemale subsp. affine E. R. Blakley 1960-9-3 3821 Placer King's Beach, Lake Tahoe. 1905 Comment
  UCSC003236  Equisetum hyemale subsp. affine Randall Morgan 2005-5-30 s.n. Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista Comment
  CAS-BOT-BC57241  Equisetum laevigatum E. R. Blakley 1960-9-3 3822 Placer Kings Beach, Lake Tahoe 1905 Comment
  UCD33393  Eragrostis pectinacea Beecher Crampton 1967-7-26 8162 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80, junction of Meadow Vista Road. 487 Comment
  UCD64328  Eragrostis pectinacea var. pectinacea Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  UCR198003  Eragrostis pilosa Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit 52 Comment
  CAS-BOT-BC286640  Ericameria bloomeri L. R. Abrams 1929-9-14 12162 Placer Homewood, west shore Lake Tahoe Comment
  UCD131325  Ericameria bloomeri Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer Sunnyside on west shore of Lake Tahoe. 1889 Comment
  UC55137  Ericameria discoidea Miss Lydia K. Tangier-Smith 1901-1-1 Placer Tahoe, at the Grove Tahoe Comment
  UCD22412  Ericameria nauseosa A. M. Shapiro 2001-9-10 s.n. Placer Serpentine barren, Dutch Flat Powerhouse Road. 2' tall. 883 Comment
  JEPS71606  Ericameria suffruticosa Gladys L. Smith 1972-8-25 3415 Placer foot of Granite Chief Granite Chief 2575 Comment
  RSA129816  Ericameria suffruticosa B. Bolt 1934-8-23 196 Placer Divide between Picaune and Grayhorse. 2439 Comment
  UC62962  Ericameria suffruticosa C. F. Sonne 1886-8-1 Placer above Coldstream; Sierra Nevada Mountains 2590 Comment
  UCD75953  Ericameria suffruticosa Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5200 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Large turnabout/parking area with off-road vehicle use. 2207 Comment
  JEPS71581  Erigeron compositus Gladys L. Smith 1972-6-20 3215 Placer open plateau about terminus of summit chairlift; Ward Peak 2621 Comment
  CAS-BOT-BC296763  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer Summit Valley 2118 Comment
  UC195563  Erigeron coulteri C. F. Sonne 1884-8-24 Placer canon above Coldstream Comment
  RSA739922  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-30 12194 Placer Northern Sierra Nevada Mtns. Foothills: Mosquito Ridge Road, 15 miles E of its junction with Forest Hll Rd. in Foresthill, S of site of Bake oven 915 Comment
  CAS-BOT-BC300668  Erigeron foliosus var. hartwegii A. A. Heller 1917-6-19 12749 Placer Between Lincoln and Newcastle Comment
  CAS-BOT-BC300673  Erigeron foliosus var. hartwegii L. S. Smith 1926-5-23 1828 Placer Tahoe National Forest. Colfax road to Forest Hill above river 609 Comment
  CAS-BOT-BC300828  Erigeron glacialis var. glacialis Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  UC202224  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  UCD21704  Erigeron inornatus Beth Lowe Corbin 1982-8-9 279 Placer 1/3 mile SW of Onion Creek. In brushy opening of White Fir forest. Perennial herb. Disc flowers yellow. Mostly sun. South facing slope, 20% incline. Occasional. 1856 Comment
  CAS-BOT-BC295210  Erigeron inornatus Catherine Best 1981-8-2 s.n. Placer Above French Meadows Reservoir Comment
  RSA750730  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2008-9-15 14101 Placer along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UC726469  Erigeron inornatus var. inornatus A. A. Heller 1919-7-24 13289 Placer near Cisco Comment
  UCR206674  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15194 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  POM160243  Erigeron miser C. T. Sonne 1897-08 s.n. Placer Above Donner Lake Comment
  RSA0089880  Erigeron miser Dean Wm. Taylor 2013-8-7 21396 Placer Coldstream Valley, headwaters of Cold Creek, draining the southeast flank of Mt. Judah. 2103 Comment
  UCD75898  Erigeron miser G. Ledyard Stebbins 1968-8-15 6857 Placer Devil's Peak, southwest of Soda Springs. (Exact location unknown. Coordinates estimated by label maker.) 2286 Comment
Read comments
May 14 2014
  CDA4644  Erigeron philadelphicus Kelly 1928-5-2 Placer Near Auburn, along road. 0 Comment
  SD43658  Erigeron philadelphicus Darley F. Howe 1948-5-21 Placer 455 Comment
  POM260423  Eriodictyon californicum C. L. Hitchcock 1940-5-14 6376 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC1124297  Eriodictyon californicum B. Bolt 1934-7-4 81 Placer Sawtooth Ridge; Tahoe National Forest, Colfax Quadrangle Comment
  UCD119254  Eriodictyon californicum D. H. Hartmann 1941-6-8 s.n. Placer E. of Auburn, along U.S. #40. 914 Comment
  UCR190659  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2007-5-23 12081 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  CAS-BOT-BC255403  Eriogonum Saichi Kawahara 1969-7-6 833 Placer Slope over looking north fork of the American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  SCFS1162  Eriogonum E. Krimmel, F. Felix 2013-7-26 Placer NFAm. Off Foresthill Road. Rocky overlook. Comment
  UC480709  Eriogonum incanum W. C. Blasdale 1923-7-13 Placer top of Ellis Peak Lake Tahoe Region, Ellis Peak Comment
  UCD22137  Eriogonum incanum Rex Palmer 1979-6-19 N 237 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA16814  Eriogonum lobbii G. F. Hrusa, J. Glazner 2001-7-15 15953 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  UC569865  Eriogonum lobbii var. lobbii N. French 1934-6-22 438 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2286 Comment
  UCD21613  Eriogonum nudum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1281 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. Open W-facing granite slope at tree-line, ascending ridge. 2300 Comment
  CAS-BOT-BC264811  Eriogonum nudum var. deductum Marcus E. Jones 1882-6-29 3469 Placer Emigrant Gap Comment
  UC849631  Eriogonum nudum var. deductum Marcus E. Jones, A. M. 1882-6-29 3469 Placer Emigrant Gap Comment
  UCR189628  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12636 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCR233385  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2011-8-26 18163 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  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
  CAS-BOT-BC271967  Eriogonum nudum var. pubiflorum H. L. Mason 1929-10-4 5450 Placer Three miles south of Roseville on Folsom Road Comment
  SDSU6787  Eriogonum nudum var. pubiflorum D. F. Howe 1960-9-18 2971 Placer 2 miles northof Auburn. 518 Comment
  UC635007  Eriogonum nudum var. pubiflorum H. L. Mason 1929-10-4 5450 Placer 3 mi s on Folsom Road Roseville Comment
  SD22419  Eriogonum pedunculatum Susan G. Stokes 1932-8-4 Placer Near Auburn Comment
  CAS-BOT-BC269942  Eriogonum spergulinum var. reddingianum Alice Eastwood 1909-1-1 96 Placer Lake Tahoe Region. Sunnyside Comment
  JEPS56323  Eriogonum spergulinum var. reddingianum W. L. Jepson 1918-7-30 7724 Placer near Tahoe City; Lake Tahoe 1920 Comment
  LA27118  Eriogonum spergulinum var. reddingianum L. S. Rose; 1941-7-8 41290 Placer Chambers Lodge, Lake Tahoe 1900.0 Comment
  UCR207119  Eriogonum spergulinum var. reddingianum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15241 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  CAS-BOT-BC267489  Eriogonum umbellatum Alice Eastwood 1909-1-1 134 Placer Lake Tahoe Region. Sunnyside Comment
  UCD147106  Eriogonum umbellatum Chuck Hughes 2013-6-6 391 Placer Near margin of Camp Far West Reservoir, near where the Bear River enters the Reservoir. 93 Comment
  UCD22125  Eriogonum umbellatum var. covillei Rex Palmer 1979-6-21 N 405 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC265154  Eriogonum umbellatum var. nevadense Henry M. Pollard 1936-7-1 s.n. Placer Mt. Lincoln, Donner region Comment
  CAS-BOT-BC265155  Eriogonum umbellatum var. nevadense Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  RSA420692  Eriogonum umbellatum var. nevadense Fay A. MacFadden 1934-7-9 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC262174  Eriogonum umbellatum var. torreyanum C. F. Sonne 1885-9-27 294 Placer Sierra Nevada Mts. On road to Tahoe near old Shingle Mill, at Squaw Creek Comment
  CAS-BOT-BC262235  Eriogonum ursinum A. Kellogg No date on label s.n. Placer Sierra Nevada Mts Comment
  CHSC45853  Eriogonum ursinum var. ursinum Lowell Ahart 1975-8-23 958 Placer On a dry open bare mountain side, between Sailor Flat and Robinson Flat, along Baker Ranch Soda Springs Road, about 15 miles north-east of Forest Hill. 1828 Comment
  UCR209740  Eriogonum ursinum var. ursinum George K. Helmkamp, E. A. Helmkamp 2009-8-12 15445 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill 2020 Comment
  UCR242366  Eriogonum ursinum var. ursinum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16668 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UCD101538  Eriogonum wrightii Beecher Crampton 1975-10-14 9329 Placer Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  UCD34056  Eriogonum wrightii Beecher Crampton 1975-10-14 9329 Placer Placer County, Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  JEPS126270  Eriogonum wrightii subsp. subscaposum Steve Matson 2003-9-19 964 Placer nSNH; Tahoe Basin; west shore, Blackwood Canyon; about 1.4 miles ESE of Barker Pass. 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
  RSA750702  Eriogonum wrightii var. subscaposum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14023 Placer Donner Pass Road on the west side of Donner Pass and east of Norden. 2149 Comment
  UCR249590  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20809 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  LA203611  Eriophyllum lanatum var. grandiflorum Lincoln Constance; Helen Sharsmith 1933-5-14 E 21 Placer Auburn Comment
  POM51125  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer Near Rocklin (E side Sacramento Valley) 122 Comment
  POM66817  Eriophyllum lanatum var. grandiflorum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  RSA129768  Eriophyllum lanatum var. grandiflorum N. H. French 1934-5-31 382 Placer Mamouth Springs 1677 Comment
  UC507054  Eriophyllum lanatum var. grandiflorum Mrs. Helen Sharsmith 1933-5-14 E 21 Placer along the highway on filled-in ground Auburn Comment
  UC896358  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1921-5-22 10582 Placer between Lincoln and Sheridan Comment
  UCR173277  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10441 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  CAS-BOT-BC308246  Eriophyllum lanatum var. integrifolium M. E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC308247  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-4 8744 Placer South of snow shed at Cisco 1828 Comment
  CAS-BOT-BC308251  Eriophyllum lanatum var. integrifolium F. Almeda 1993-7-24 7284 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on th trail to Upper Sheep Valley, Sierra Nevada 2133 Comment
  UC1118249  Eriophyllum lanatum var. integrifolium H. S. Yates 1934-6-29 3883 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  UC128207  Eriophyllum lanatum var. integrifolium Miss Harriet A. Walker 1908-7-26 1450 Placer Cisco; near type locality of Bahia cuneata 1810 Comment
  SEINET3411994 Image available Erodium botrys George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 Placer Sacramento Valley: along CA-193, 0.1 mile W of its junction with Sierra College Blvd. 88 Comment
  UCR238599  Erodium brachycarpum George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 A Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  CDA36888  Erodium cicutarium CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SEINET8565538  Erodium cicutarium F. Brunetti 1962-3-17 s.n. Placer At Auburn. 518 Comment
  UCD21176  Eryngium castrense Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-5 351 Placer Orchard Creek Mitigation Bank. UTMs 10S0646175; 4300069. Comment
  SD102837  Erysimum capitatum Darley Howe 1978-7-14 Placer Along state highway 20, ca. 29 miles west of Truckee 1645 Comment
  UCD22375  Erysimum capitatum Rex Palmer 1979-7-12 N 617 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR191094  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12329 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCR208278  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14640 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CDA16815  Erysimum perenne G. F. Hrusa, J. Glazner 2001-7-15 15954 Placer Sierra Nevada; N summit face of Crows Nest Pk. immed. W of Sugarbowl. 2346 Comment
  CHSC79830  Erythranthe breweri G. F. Hrusa; J. Glazner 1999-7-8 15225 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434 N, 07418 E. 1905 Comment
  SD62118  Erythranthe floribunda Darley F. Howe 1965-5-21 Placer Canyon, south side of north fork on American River 456 Comment
  CAS-BOT-BC153594  Erythranthe moniliformis Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CAS-BOT-BC153595  Erythranthe moniliformis F. Almeda 1993-7-24 7257 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CHSC74129  Erythranthe primuloides Susi Urie 1998-8-17 98 -045 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC505236  Erythronium grandiflorum Elizabeth McClintock; Wayne Roderick 1968-5-17 s. n. Placer Cisco Grove, northern Placer County Comment
  CAS-BOT-BC505237  Erythronium grandiflorum A. A. Heller 1917-6-17 12685 Placer Granite rocks near the Yuba river below Cisco 1676 Comment
  SEINET10966321  Erythronium purpurascens A. Arthur Heller 1917-6-17 Heller 12685 Placer Moist soil about rocks near the Yuba River below Cisco, 5500 feet, the trees Pinus jeffreyi, incense cedar and white fir. Ceanothus cordulatus and Quercus vaccinifolia are the common shrubs, the rocks granite. 1675 Comment
  SD241117  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2012-3-31 18663 Placer Sacramento Valley: along CA-193, 0.3 mile northwest of its junction with Gold Hill Road (Gold Hill 7.5'Q) 131 Comment
  UC1563927  Eschscholzia caespitosa Barbara Ertter with David Thompson 1989-4-8 8146 Placer Iowa Creek Rd ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing) 518 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
  UCR247466  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2007-3-25 11709 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UC112927  Eschscholzia californica Katharine Brandegee 1908-6-4 Placer R.R. embankment near Gold Run Comment
  CAS-BOT-BC419542  Eschscholzia lobbii Alice Eastwood; John Thomas Howell 1937-5-8 4338 Placer Near Auburn on road to Grass Valley Comment
  CAS-BOT-BC310374  Eucephalus breweri J. F. Emmel 1970-6-21 316 Placer Slope, 0.6 air mile s. of south end of Lake Mary, s. of Donner Pass 2286 Comment
  CAS-BOT-BC310375  Eucephalus breweri J. F. Emmel 1970-7-18 319 Placer Slope, 0.6 mile s. of south end of Lake Mary, s. of Donner Pass 2286 Comment
  SEINET2470968  Eucephalus breweri K. Christie 2010-7-22 1909 Placer Lake Tahoe Basin Management Unit (USFS); ca. 1.0 mi. southeast of Martis Peak. 2407 Comment
  UC894600  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer Summit Hotel 2133 Comment
  UCR259878  Euphorbia nutans George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22463 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
  UCD142662  Euphorbia ocellata Gordon H. True 1972-8-23 7409 Placer Northern outskirts of Lincoln. 48 Comment
  CAS-BOT-BC312159  Eurybia integrifolia R. F. Hoover 1967-9-5 10827 Placer Carnelian Bay, Lake Tahoe 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
  UC893025  Eurybia integrifolia Lewis S. Rose 1938-9-14 38264 Placer 3 mi e Cisco; South Fork of Yuba River 1737 Comment
  CAS-BOT-BC312176  Eurybia radulina Fay A. Mac Fadden 1934-8-9 12854 Placer Dutch Flat Comment
  CAS-BOT-BC312177  Eurybia radulina C. F. Sonne 1883-9-16 147 Placer Truckee River, Sierra Nevada Mts. Comment
  UC896646  Euthamia occidentalis G. P. Rixford 1913-9-2 Placer Loomis Comment
  CAS-BOT-BC413874  Fallopia convolvulus Peter H. Raven 1956-8-4 9981 Placer Blue Canyon 1432 Comment
  UC1132683  Festuca N. French 1934-6-21 331 Placer 0.75 mi ne Palisade Lake; Truckee Quad. 2011 Comment
  SACT001165  Festuca occidentalis Michael Baad 1983-7-10 Placer Along road to Helester Point Lookout. Open sugarpine/douglas fir forest. 1606.0 Comment
  UCD66115  Festuca occidentalis Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SACT001172  Festuca ovina D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT001174  Festuca pacifica Josephine Van Ess 1976-4-14 Placer Sunny slope. 91.5 Comment
  UCR250073  Festuca perennis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20505 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
  SACT001195  Festuca rubra D. Meyer 1983-9-10 Placer West end near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT001201  Festuca viridula D. Meyer 1983-8-20 Placer From Alpine Meadows Road to summit of trail at first lake steep rocky trail with some moist meadow. 2000.0 Comment
  SACT001202  Festuca viridula Michael Baad 1976-8-25 Placer Crest of peak and ridge east of Grouse Canyon. 2499.0 Comment
  SACT001204  Festuca viridula Michael Baad 1983-8-11 Placer Trail to Whiskey Camp. 3 miles west of Alpine Meadows. 2133.0 Comment
  SACT001212  Festuca viridula Michael Baad 1983-8-27 Placer 2072.64 Comment
  SACT001214  Festuca viridula Michael Baad 1976-7-17 Placer 2 miles west of Alpine Meadows Ski Area and 6 miles west of Tahoe City 2000.0 Comment
  SEINET239050 Image available Festuca viridula G. K. Helmkamp, E. A. Helmkamp 1999-6-30 5097 Placer Northern Sierra Nevadas: Soda Springs Road .9 miles south of Donner Pass Road approaching Ice Lakes. 2104 Comment
  UC818180  Festuca viridula A. A. Heller 1917-8-14 12926 Placer s of Summit Valley; Mt. Lincoln 2499 Comment
  UCD75730  Festuca viridula Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5170 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  POM260104  Fragaria californica C. Leo Hitchcock 1940-5-7 6318 Placer 1 mile west of Baxter. Comment
  UC859946  Fragaria vesca C. L. Hitchcock 1940-5-7 6318 Placer ca 1 mi w Baxter Comment
  UCD44003  Fragaria virginiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1369 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC53547  Frangula californica subsp. tomentella W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC53550  Frangula californica subsp. tomentella C. Hart Merriam 1911-11-4 s.n. Placer Colfax Comment
  SD81185  Frangula californica subsp. tomentella D. F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  SBBG27460  Frangula californica subsp. tomentella D. K. Kildale 1928-8-23 Placer Sierra foothills Comment
  UCD113124  Frangula rubra Beecher Crampton 1975-10-14 9323 Placer Blue Canyon airport area. 1524 Comment
  OBI6090  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1732 Placer W slope Sierra Nevada. Baxter's camp, 17 mi above Colfax 1158 Comment
  CAS-BOT-BC504555  Fritillaria atropurpurea Hazelle A. Thomas; John H. Thomas 1956-7-21 6095 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevad 2377 Comment
  CDA17001  Fritillaria micrantha G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16054 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CAS-BOT-BC504444  Fritillaria recurva Serena Philips 1915-4-2 s.n. Placer Near Rocklin Comment
  CAS-BOT-BC504445  Fritillaria recurva Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  SCFS1021  Galium E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 Comment
  CDA37053  Galium aparine CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCD15080  Galium aparine Alan B. Chan 1977-5-28 31 Placer California, Placer Co.; 20 miles northeast of the Auburn Forest Hill Bridge along Auburn Forest Hill Road, 0.25 miles going south on Auburn Forest Hill Road towards Michigan Bluff; Comment
  CAS-BOT-BC334225  Galium bolanderi George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains: Forest Hill Road 10.4 miles NE of Hidden Treasure Road, 0.45 miles ESE of Whisky HIll 1677 Comment
  UC888784  Galium bolanderi Marcus E. Jones, A. M. 1882-6-27 3290 Placer Emigrant Gap Comment
  JEPS26652  Galium bolanderi Lauramay T. Dempster 1961-6-14 1442 Placer s-facing slope above Baxter Comment
  SEINET11616247  Galium grayanum var. grayanum W. D. Billings 1950-7-30 1920 Placer NE side of Squaw Peak, Sierra Nevada 2560 Comment
  CDA36914  Galium parisiense CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  RSA739714  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2007-5-23 12064 Placer Northern Sierra Nevada Mtns.: Humbug Canyon Road, 0.2 miles NW of Forest Hill Rd., generally SW of Westville 1576 Comment
  SEINET9349432  Galium parisiense Unknown 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills Comment
  UCR193340  Galium porrigens var. tenue George K. Helmkamp, E. A. Helmkamp 2007-5-30 12178 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  CAS-BOT-BC539314  Galium sparsiflorum G. Ledyard Stebbins 1976-7-3 7670 Placer Big Crater [exact location unknown] Comment
  UCD149392  Galium sparsiflorum G. Ledyard Stebbins 1976-7-3 7670 Placer Big Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS127440  Galium trifidum subsp. columbianum Steve Matson 1998-6-27 306 Placer Martins Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, southeast of junction of East Martis Creek and Martis Creek. Comment
  CHSC74257  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-11 98 -348 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD22294  Galium triflorum Beth Lowe Corbin 1982-8-3 201 Placer Hill west of Onion Creek Campground. SW facing slope. Partial sun. Uncommon. In deep conifer duff over fine, sandy, granitic soil of white fir forest. Perennial from underground rootstock. Stems weak, decumbent. 1853 Comment
  UCR249595  Galium triflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20816 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  SDSU3743  Gamochaeta pensylvanica D. F. Howe 1948-5-21 1908 Placer 457 Comment
  UC1122680  Garrya fremontii C. R. Clar, N. French 1933-5-19 123 Placer Iowa Hill Road; Colfax Quad. 822 Comment
  CAS-BOT-BC56265  Gaultheria ovatifolia Peter W. Fritsch; Catherine Bush; Boni Cruz 2008-7-1 1839 Placer Big Trees Trail in Placer Big Trees Grove, Foresthill Ranger District, Tahoe National Forest 1604 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
  SEINET7269913  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods, ca. 20 miles NW of Foresthill Comment
  SD247469  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19896 Placer Northern Sierra Nevada Mountains: junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap. 1634 Comment
  CDA15964  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, J. Glazner 1999-7-17 15125 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  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
  RSA39938  Gayophytum heterozygum J. T. Howell 1943-7-25 18807 Placer West side of Donner Pass near Norden 2134 Comment
  UCD150708  Gayophytum humile James A. Neilson Jr. 1970-8-28 1865 Placer Tahoe Basin, Paige Meadow. 2072 Comment
  UCD22098  Gayophytum humile Rex Palmer 1979-6-21 N 384 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC217385  Gentiana affinis var. ovata Brandegee No date on label. s.n. Placer Colfax 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
  SEINET8586235  Gentiana calycosa W. D. Billings 1951-8-21 2146 Placer Sierra Nevada, E of Granite Chief. 2499 Comment
  UCR208548  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14676 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  JEPS127402  Geranium molle Steve Matson 2006-4-23 1608 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  SEINET3246026  Geranium pusillum G. K. Helmkamp, E. A. Helmkamp 2007-1 11706 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  UCD42916  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 284 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  RSA0035476  Gilia capitata subsp. mediomontana George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-11 20828 Placer junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UCR232649  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2011-9-30 18342 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  SEINET3163618  Gilia leptalea G. B. Grant 1906-7-15 7151 Placer about Lake Tahoe 2438 Comment
  SEINET2441404  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-7-16 15224 Placer Sierra Nevada Mountains: Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat (Duncan Peak 7.5' Q.). 2020 Comment
  UCR209738  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-8-12 15446 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill 2020 Comment
  RSA0013386  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction of Soda Springs Road at Robinson Flat 2040 Comment
  UCD18247  Githopsis specularioides E. A. Dean 1998-5-30 457 Placer NE of town of Auburn, along SE side of Foresthill Rd. 500 Comment
  SBBG121276  Glinus lotoides L. Ahart 2007-11-13 14594 Placer strand of Camp Far West reservoir, ca. 300 yards W of Bear River, ca. 1/8 mi E of McCourtney Rd, ca. 5.5 mi NE of Sheridan 73 Comment
  JEPS113246  Glyceria declinata Lowell Ahart, Brian Williams 2007-4-13 13662 Placer On damp granite soil, on the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  CDA25012  Glyceria elata J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Moist meadow betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC75334  Glyceria elata Susi Urie; Eric Schroder 1998-9-12 98 -366 Placer Lake Tahoe Basin-National Forest. Meadow complex on the south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  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
  UCD32811  Glyceria elata Beecher Crampton 1964-7-21 7121 Placer Cisco Grove, US Hwy. 40. Comment
  UCD66829  Glyceria elata Beecher Crampton 1955-7-13 2998 Placer 3.5 miles east of Baxter, along U.S. Highway 40. 1432 Comment
  CHSC81759  Gnaphalium palustre Lowell Ahart 2001-10-10 9340 Placer French Meadows Reservoir, near the boat of trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  RSA102064  Gnaphalium palustre John H. Redfield 1872-8-7 189 Placer Blue Canyon. Comment
  UC581141  Gnaphalium palustre H. L. Mason 1932-9-9 77175 Placer Cisco Comment
  UC427889  Gnaphalium palustre L. S. Smith 1927-8-22 Placer 6-Mile Valley, near Emigrant Gap; Tahoe National Forest, 6-mile Valley 1584 Comment
  SCFS11529147  Goodyera oblongifolia F. Felix 2014-5-10 Placer Along NF trail between Cedars and Onion Creek crossing 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
  CAS-BOT-BC314604  Grindelia hirsutula Alice Eastwood 1921-5-22 10587 Placer Between Lincoln and Sheridan Comment
  CAS-BOT-BC314605  Grindelia hirsutula John Thomas Howell; Gordon H. True 1971-5-26 47637 Placer Northern limits of Lincoln 48 Comment
  SEINET7725991  Habenaria sparsiflora Unknown 1888-1 Placer 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
  UCD22140  Hackelia micrantha Rex Palmer 1979-7-12 N 656 Placer Headwaters basin area of the North Fork of the American River Comment
  UC24781  Hackelia velutina J. Burtt Davy Jun 25 1897-Jun 30 1897 3251 Placer Truckee River; Truckee River Basin Comment
  UCD21773  Helianthella californica Rex Palmer 1979-6-9 N 161 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  UC311608  Helianthella californica subsp. nevadensis Dr. H. M. Evans 1918-7-1 Placer Donner Tahoe Region 2133 Comment
  UC88873  Helianthella californica subsp. nevadensis C. F. Sonne 1897-8-14 Placer above Coldstream Comment
  UCD132764  Helianthella californica var. nevadensis G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12648 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CAS-BOT-BC305509  Helianthus bolanderi Rimo Bacigalupi; G. L. Stebbins; Daniel Zohary; Howard Stutz; Alex D. Hawkes; Juan Hunziker; Fritz Ehrendorfer 1952-7-20 3883 Placer Seven miles east of Iowa Hill 1158 Comment
  JEPS14349  Helianthus bolanderi Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Howard Stutz, Alex D. Hawkes, Juan Hunziker, 1952-7-20 3883 Placer 7 mi e Iowa Hill 1158 Comment
  SEINET11197277 Image available Hemizonella minima H. A. Walker 2036 Placer Deer Park in the Lake Tahoe district Comment
  UC112844  Hesperochiron californicus Katharine Brandegee July 1908 Placer banks of Yuba R. a mile or so above Cisco; Yuba R. Comment
  JEPS14032  Hesperolinon micranthum Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3871 Placer n-facing serpentine slope just s Shirttail Public Camp (about 6 mi e of Iowa Hill); Tahoe Nat. Forest 1097 Comment
  UCR231859  Hesperolinon micranthum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16760 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCR240894  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2012-6-19 19207 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  UC87435  Heterotheca villosa var. minor T. S. Brandegee Jul 1889 Placer Donner Comment
  SD234517  Heuchera micrantha G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12193 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 15 miles east of its junction with Forest Hill Road in Foresthill, south of site of Bake Oven. 915 Comment
  UCD102639  Heuchera micrantha A. S. Crafts 1926-5-1 795 Placer American River Canyon. Comment
  UC11368  Heuchera rubescens var. glandulosa Mrs. M. M. Hardy 1893-1 Placer Comment
  RSA0009709  Hieracium albiflorum Marcus E. Jones 1882-7-3 s.n. Placer Presumably collected at Dutch Flat, 9.5 miles NE of Colfax. Comment
  SEINET11259306 Image available Hieracium albiflorum F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe 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
  CDA42823  Hieracium argutum G. F. Hrusa, M. Pitcairn 2015-7-16 18646 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  UC1129898  Hoita macrostachya C. R. Clar 1933-6-6 132 Placer near Rattlesnake Bridge; Sacramento Quadrangle Comment
  SEINET238860 Image available Holcus lanatus Beecher Crampton 1952-11-9 929 Placer 6 miles east of Auburn 1 mile south of Meadow Vista. 457 Comment
  UC861916  Holodiscus discolor A. A. Heller 1917-8-13 12896 Placer base of cliff n of Summit Hotel 2164 Comment
  SACT001321  Hordeum Michael Baad 1983-7-23 Placer Tahoe Airport along northeast side of Highway 267 2100.0 Comment
  SACT001299  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of road in moist soil. 2072.64 Comment
  SEINET2473479 Image available Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-1 16400 Placer Sierra Nevada Mountains Foothills; Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 590 Comment
  UCD85460  Hordeum brachyantherum L. S. Smith 1931-7-24 s.n. Placer Marlette Lake east of Lake Tahoe. 2438 Comment
  SACT001324  Hordeum californicum D. Meyer 1983-8-20 Placer Moist roadside meadow some revegetation following residential construction. 2000.0 Comment
  SACT001336  Hordeum geniculatum D. Meyer 1983-5-7 Placer Along road. 161.0 Comment
  SACT001365  Hordeum leporinum Josephine Van Ess 1976-4-14 Placer Collected on railroad embankment neer Clark Tunnel Road. North of Penryn and at roadside. Dry roadside. 152.4 Comment
  SACT001372  Hordeum leporinum D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  SACT001374  Hordeum leporinum D. Meyer 1984-6-23 Placer and Forest road. .16 km from I80-Frontage Road. 352.0 Comment
  SACT001383  Hordeum leporinum D. Meyer 1984-5-28 Placer Next to orchard. 206.0 Comment
  SEINET4670481  Hordeum murinum subsp. leporinum W. D. Billings 1940-3-31 1277 Placer Canyon of Yuba River, 5 miles southeast of Auburn Comment
  CHSC73078  Horkelia fusca subsp. parviflora L. P. Janeway 1998-8-6 5984 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  RSA451906  Horkelia fusca subsp. parviflora Bonnie C. Templeton 1931-7-5 1519 Placer Meeks Bay, Lake Tahoe. 2250 Comment
  UC1128159  Horkelia fusca subsp. parviflora N. French 1934-6-19 423 Placer 1/4 mi w Devil's Peak; Tahoe National Forest, Truckee quadrangle 2103 Comment
  SEINET6758962  Horkelia fusca subsp. parviflora L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  NY436045  Horkelia sericoleuca C. F. Sonne 06 1888 353 Placer Marles [sp?] Creek Valley. Comment
  CDA15759  Horkelia tridentata G. F. Hrusa, L. Serafini 1993-6-29 11252 Placer S side of French Meadows Reservoir, immed. below dam. Comment
  SD81224  Horkelia tridentata Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  SDSU9076  Horkelia tridentata D. F. Howe 1965-5-20 4059 Placer Canyon on south side of north fork of American River between Forest Hill and Yankee Jims. 914 Comment
  UC860235  Horkelia tridentata subsp. tridentata Marcus E. Jones 1882-5-27 3291 Placer Emigrant Gap Comment
  UCR191078  Horkelia tridentata subsp. tridentata George K. Helmkamp, E. A. Helmkamp 2007-5-23 12061 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  CAS-BOT-BC537973  Horkelia tridentata var. tridentata Clare B. Hardham 1961-6-14 7366 Placer Baxter Rte 40 Comment
  CAS-BOT-BC537981  Horkelia tridentata var. tridentata James L. Walters 1940-5-11 s. n. Placer Near Yuba Pass overhead; east of Emigrant Gap. Comment
  SEINET5327467  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
  JEPS126284  Hydrophyllum capitatum var. alpinum Steve Matson 1998-5-19 191 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  SEINET5504194  Hydrophyllum capitatum var. alpinum P. Lehenbauer 1926-4-25 1244 Placer Squaw Creek Comment
  POM260118  Hydrophyllum occidentale C. L. Hitchcock 1940-5-7 6317 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC312648  Hymenothrix loomisii T. C. Fuller 1962-9-20 9624 Placer S. side of Hwy 40 freeway to Donner Summit, 4.8 mi. e. of Weimar Comment
  JEPS66788  Hypericum anagalloides W. H. Shockley Jun 1886 Placer Auburn Comment
  UCD110358  Hypericum concinnum Julie Combs 1994-5-31 22 Placer 1 m. E of railroad tracks. 579 Comment
  UC54890  Hypericum formosum var. scouleri Chesnut and Drew 1899-8-8 Placer Cascade Lake Tahoe Region, Cascade Comment
  UCD43173  Hypericum scouleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 542 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET5344239  Hypericum scouleri P. A. Lehenbauer 1932-9-5 s.n. Placer Truckee River, near Tahoe City Comment
  RSA0035674  Hypochaeris glabra George K. Helmkamp, Mary Alice Barnes 2013-5-3 20464 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  CAS-BOT-BC312896  Hypochaeris glabra L. S. Smith 1926-5-23 1827 Placer Tahoe National Forest. Forest Hill below town along road 762 Comment
  CAS-BOT-BC312897  Hypochaeris glabra Gordon H. True 1971-4-21 6524 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  UCR249591  Hypochaeris radicata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20808 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  SCFS1168  Ipomopsis aggregata E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Comment
  SEINET12328855  Ipomopsis aggregata J. H. Nishida 1985-1 768 Placer Homewood, Red Fir Forest 1829 Comment
  UC1249640  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer ca 1.5 mi s Homewood (along state hwy 89) Comment
  UC23335  Ipomopsis aggregata A. M. Carpenter 1893-8 Placer Comment
  POM9885  Ipomopsis aggregata subsp. formosissima E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  CAS-BOT-BC133612  Iris hartwegii Saichi Kawahara 1969-5-24 863 Placer Strawberry Flat, Henderson Ranch, east bank of Indian Creek 999 Comment
  SDSU330  Iris hartwegii D. F Howe 1965-5-20 4058 Placer Canyon on south side of north fork of American River, between Forest Hill and Yankee Jims. Comment
  UCR253572  Iris hartwegii subsp. hartwegii George K. Helmkamp, Amy Barnes 2014-4-23 22798 Placer Sierra Nevada Mountains Foothills, Old Auburn-Foresthill Road, 1.7 miles northeast of its junction with CA-49 at North Fork American River 407 Comment
  UC614832  Isoetes bolanderi Beryl O. Schreiber 1933-7-21 906 Placer Homewood; Lake Tahoe Comment
  CHSC84546  Isoetes howellii John Dittes 2003-5-25 2003 -28 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  SBBG122675  Isoetes howellii J. Dittes 2003-5-25 2003 -28 Placer ca. 3.3 air-mi S of Lincoln, 0.5 air-mi E of jct of State Hwy 65 and Twelve Bridges Exit 39 Comment
  UC9316  Isopyrum occidentale H. N. Bolander 1865-4-12 4553 Placer near Forest Hill; near Forest Hill Comment
  SEINET5338184  Isopyrum occidentale L. Smith 1979-4-12 s.n. Placer About 2 miles north on Lake Clementine Rd.- off Forest Hill Rd. towards Forest Hill. 305 Comment
  UCD37749  Iva axillaris Beecher Crampton 1961-9-27 6018 Placer Blue Canyon. 1430 Comment
  RSA655140  Iva axillaris subsp. robustior Beecher Crampton 1956-7-17 3720 Placer Blue Canyon; near railroad. 1433 Comment
  UC147581  Iva axillaris subsp. robustior Harriet A. Walker 1908-6-23 1217 Placer Blue Canyon 1432 Comment
  SEINET11911561  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 s.n. Placer Tinker Knob, near Truckee 2896 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
  CHSC96501  Juncus capitatus Lowell Ahart; Brian Williams 2007-4-13 13658 Placer On damp granite soil, on the sides of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CHSC85723  Juncus chlorocephalus G. F. Hrusa; A. Juncosa, J. Hunter 1991-7-15 8511 a Placer Lake Tahoe Region. Seeps on S-facing slopes on N side of Ward Valley 4 m SW of Tahoe City. [Lat./long. on label is '39 8 N; 120 15 W']. 2300 Comment
  JEPS73239  Juncus drummondii Gladys L. Smith 1972-8-25 3406 Placer between Shirley chairlift and Watson Monument (trail to Granite Chief) 2560 Comment
  RSA783468  Juncus effusus Peter Rubtzoff 1979-8-31 9419 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass 15 quad). At Serene Lakes Lodge Comment
  RSA0115049  Juncus effusus subsp. pacificus Lyman Benson 1947-8-12 12793 Placer Near Emigrant Gap. Mt. Range: Sierra Nevada. 1219 Comment
  CHSC74458  Juncus ensifolius Susi Urie; Eric Schroder 1998-9-9 98 -311 Placer Lake Tahoe Basin--National Forest. On south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  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
  UCR209750  Juncus exiguus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15431 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
Read comments
Mar 31 2011
  UCD43298  Juncus macrandrus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 666 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD42990  Juncus mertensianus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 359 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC74323  Juncus nevadensis Susi Urie 1998-8-26 98 -116 Placer Lake Tahoe Basin--National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  POM110844  Juncus nevadensis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  UCD74147  Juncus parryi Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 249 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Donner's Way' ski run. 2154 Comment
  UCD75816  Juncus parryi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5163 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  SEINET11056450  Juniperus occidentalis var. occidentalis P. A. Lehenbauer 1937-9-5 s.n. Placer Cisco. Comment
  CAS-BOT-BC58897  Kalmia microphylla subsp. microphylla L. S. Smith 1927-8-11 2203 Placer Squaw Valley - Tahoe N.F. 1889 Comment
  SCFS998  Keckiella breviflora E. Krimmel 2014-7-5 Placer North Fork American River. Below Soda Springs Rd, on trail 1/4-mile above Heath Falls Overlook. Comment
  UC1012169  Keckiella breviflora Francis W. Pennell 1940-6-2 25659 Placer e of Auburn (Route 49, n of American River) 274 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
  JEPS15111  Keckiella breviflora var. breviflora N. French 1934-5-29 377 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quad. 1463 Comment
  CAS-BOT-BC246323  Keckiella lemmonii Alice Eastwood 1909-1-1 233 Placer Squaw Creek Comment
  UC144125  Keckiella lemmonii Miss Helen D. Geis Aug 1909 Placer near Deer Park (Five Lakes Trail) Comment
  UC1518806  Keckiella lemmonii Fay A. MacFadden 1934-7-2 12570 Placer Alta North Fork of the American River (near Rawhide Mine) Comment
  CHSC10739  Kelloggia galioides Lowell Ahart 1972-7-7 138 Placer French Meadows. 1524 Comment
  SEINET2470932  Kelloggia galioides K. Christie 2010-6-30 1873 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  UC662634  Kelloggia galioides L. S. Rose 1941-7-21 41338 Placer Chambers Lodge (McKinney); Lake Tahoe 1900 Comment
  UC889315  Kelloggia galioides Alice Eastwood 1909-1 174 Placer Sunnyside; Lake Tahoe Region Comment
  UCD22295  Kelloggia galioides Rex Palmer 1979-7-26 N 893 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC1714559  Kickxia elatine E. O. Amundsen 1920-10-6 Placer Auburn 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
  CAS-BOT-BC180847  Kochia scoparia Beecher Crampton 1969-10-9 8519 Placer Interstate Highway 80 westbound between Yuba and Emigrant Gaps Comment
  SEINET5338189  Kumlienia hystricula B. Eshelman, Hugh N. Mozingo 1979-3-31 s.n. Placer Near juction with N fork of Middle Fork of American River, Mosquito Ridge road to French Meadows. 518 Comment
  SD53146  Lagophylla glandulosa Darley F. Howe 1962-8-10 3419 Placer 4.0 miles north of Auburn. 550 Comment
  UC89190  Lagophylla glandulosa Mrs. M. E. P. Ames 1886-1-1 Placer Auburn Comment
  CAS-BOT-BC523898  Lasthenia californica George K. Helmkamp; Amy Barnes 2013-3-28 20238 Placer Eastern Sacramento Valley: NW edge of Sheridan, new section of Riosa Rd, connecting new CA-65 with old CA-65 42 Comment
  HSC82238  Lasthenia californica Thomas W. Nelson 1979-4-10 4583 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UC30448  Lasthenia californica H. N. Bolander 1865-4-13 4572 Placer New Castle Comment
  UC30449  Lasthenia californica H. N. Bolander 1865-4-11 4545 Placer Auburn Comment
  CDA32947  Lasthenia californica P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  CHSC96471  Lasthenia glaberrima Lowell Ahart; Brian Williams 2007-4-13 13632 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UC864420  Lathyrus jepsonii var. californicus Marcus E. Jones, A. M. 1882-7-1 3573 Placer Emigrant Gap Comment
  UC931586  Lathyrus lanszwertii var. lanszwertii C. L. Hitchcock 1949-6-6 19069 Placer ca 5 mi s Tahoe (w side of Lake Tahoe); Lake Tahoe Comment
  CDA32837  Lathyrus latifolius CDFA Staff Placer Highway 49 south of Auburn. 0 Comment
  UC15345  Lathyrus nevadensis var. nevadensis State Survey 1865-4-13 4629 Placer Forest Hill Comment
  UC15356  Lathyrus sulphureus H. N. Bolander 1866-4-11 4537 Placer Banks of American River Auburn Comment
  UC192639  Lathyrus sulphureus var. argillaceus Mrs. Ames Placer Auburn Comment
  CAS-BOT-BC321707  Layia fremontii Edna Hannibal 1918-4-16 s.n. Placer Rocklin Comment
  UC30610  Layia fremontii H. N. Bolander 1865-4-11 4548 Placer near Auburn Comment
  RSA467614  Ledum glandulosum B. C. Templeton 1931-7-5 1516 Placer near Meek's Bay. 2280 Comment
  SD6093  Ledum glandulosum unknown Aug 1914 Placer Summit Comment
  UCD73807  Leersia oryzoides Christopher M. Bronny 2007-5-30 s. n. Placer North of Lincoln. On the east side of Hwy. 65 past the intersection of Gladding Road. Markham Ravine. 45 Comment
  JEPS71354  Lemna turionifera L. R. Heckard with R. Bacigalupi, T. I. Chuang 1973-7-28 3456 Placer 7 mi s of Sierra County line (w of highway 89, on n side of Sage Hen Creek); Sage Hen Creek 1889 Comment
  CAS-BOT-BC88833  Lepidium campestre M. S. Jussel 1928-6-25 s.n. Placer Tahoe Tavern, Tahoe City. Comment
  UCR170792  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2005-9-30 9959 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  CAS-BOT-BC88835  Lepidium campestre Catherine Best 1982-6-23 s.n. Placer Sierra Nevada. Goose Meadow on Highway 89 about 5 miles south of Truckee. 1767 Comment
  UCR231849  Lepidium latifolium George K. Helmkamp, E. A. Helmkamp 2010-8-11 16754 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  CDA3789  Lepidium latifolium S. P. Fisher 1969-10-2 Placer Along Southern Pacific Railroad tracks, 3/4 mile northeast of Loomis. 0 Comment
  UC212640  Lepidium nitidum Mary E. P. Ames Apr 1894 Placer Auburn Comment
  UCD82963  Lepidium perfoliatum Albert Grigarick 2009-6-15 110 Placer E of Truckee, in parking area at the entrance of Martis Creek into Martis Creek Reservoir. 1775 Comment
  CAS-BOT-BC12897  Lepidium strictum L. R. Abrams 1935-1-1 13657 Placer Roseville, Sacramento Valley. Comment
  UCD115875  Lepidium virginicum Daryl Koutnik; Thomas Lanini. Thomas Wainwright 1978-10-19 s.n. Placer Sunnyside on western shore of Lake Tahoe. 1889 Comment
  CAS-BOT-BC60088  Lepidium virginicum var. menziesii A. A. Heller 1917-8-13 1753 Placer Near Summit hotel. 2133 Comment
  SACT001403  Leptochloa fascicularis Josephine Van Ess 1976-7-28 Placer Coillected about .25 mile west of Country Acres Lane. Wet ditch bank at edge of water. 21.3 Comment
  JEPS127499  Leptosiphon ciliatus Steve Matson 1997-7-15 11 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  POM75327  Leptosiphon harknessii H. M. Hall 1910-6-26 8717 Placer Cisco; Upper Transition Zone 1800 Comment
  POM186825  Leptosiphon liniflorus D. D. Keck 1932-7-1 1593 Placer 2 miles N. of Auburn on Nevada City Road. 427 Comment
  CAS-BOT-BC339573  Lessingia leptoclada Catherine Best 1979-7-7 s.n. Placer View lookout at Lower Hell Hole Reservoir 1524 Comment
  POM361835  Lessingia leptoclada Fay A. MacFadden 1934-8-26 12935 Placer Forest Hill Comment
  CAS-BOT-BC341750  Lessingia nana John Thomas Howell; Gordon H. True 1971-5-26 47631 Placer Northern limits of Lincoln 48 Comment
  UC1221738  Lessingia virgata Beecher Crampton 1958-7-11 5010 Placer rolling valley plain 3.3 mi e Sheridan Comment
  UCD134133  Leucanthemum vulgare R. N. Raynor 1939-5-31 s.n. Placer along Highway 3 miles above Auburn. Comment
  UC1121015  Leucothoe davisiae B. Bolt 1934-7-17 133 Placer Robertson Flat, Tahoe National Forest 2011 Comment
  CAS-BOT-BC123019  Lewisia kelloggii Albert Kellogg 1870-6-27 s.n. Placer Sierra Nevada. Camp Yuba, (Cisco). Comment
  CAS-BOT-BC444161  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Along the Yuba River below Cisco 1676 Comment
  UCD22148  Lewisia nevadensis Rex Palmer 1979-6-20 N 331 Placer Headwaters basin area of the North Fork of the American River Comment
  SD1543  Lewisia pygmaea C. F. Sonne 1897-6-26 Placer Near Summit, in sandy soil Comment
  SEINET11942485  Lewisia pygmaea C. F. Sonne 1885-1 s.n. Placer Mt. Stanford, Sierra Nevada Mts. Comment
  CDA24986  Ligusticum grayi J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS59354  Ligusticum grayi Ezra Brainerd and Viola B. Baird 1915-7-25 248 Placer Sierra Nevada, Deer Park Rd. 1920 Comment
  SEINET11119990  Ligusticum grayi K. Scheetz 1972-9-10 s.n. Placer Basin Peak. 2438 Comment
  CAS-BOT-BC130528  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  RSA377184  Lilium parvum Bonnie C. Templeton 1931-7-4 1504 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  SEINET3887477  Lilium parvum Bonnie C. Templeton 1931-7-4 1504 Placer Near Meeks Bay, Lake Tahoe.; 0 2280 Comment
  UC1505670  Lilium parvum Robert T. Clausen and Harold Trapido 1940-7-13 4895 Placer 2 mi w Lake Tahoe (along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
  CAS-BOT-BC508491  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 189 Placer Bear Valley, east of Nevada City 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
  CAS-BOT-BC133077  Lilium washingtonianum subsp. washingtonianum Jean L. Pawek 1956-7-18 198 Placer Highway 40 1828 Comment
  UC3751  Lilium washingtonianum subsp. washingtonianum Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR246823  Lilium washingtonianum var. washingtonianum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16650 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  CAS-BOT-BC110635  Limnanthes alba Gordon H. True 1971-5-26 6540 Placer Northern limits of Lincoln. 48 Comment
  SBBG122297  Limnanthes alba G. K. Helmkamp with E. A. Helmkamp 2008-4-17 13290 Placer Sacramento Valley Ranch House Rd, 0.2 mi SE of Sheridan 37 Comment
  UC907583  Limnanthes alba Alice Williams 1946-6-5 2 Placer 1/2 mi e Post Office (on US 40, on bank of brook); Weimar Comment
  UCD116462  Limnanthes alba subsp. alba Beecher Crampton 1953-4-13 1096 Placer Sunnybrook Farms, 2 miles north Lincoln, Francheschi Ranch. Comment
  UC971863  Limnanthes striata Charles T. Mason Jr. 1949-5-9 1296 Placer 4 mi ne Shingle Springs (on U.S. Hwy 50 at railroad crossing) Comment
  CDA36874  Linanthus acicularis CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
Read comments
Jul 19 2018
  SEINET11261851  Linanthus ciliatus George Helmkamp, E. A. Helmkamp 2011-7-26 17892 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
  UCD128414  Linanthus pungens Albert Grigarick 2012-7-9 336 Placer Judah Peak Trail branching from Pacific Crest Trail. To sub-summit of Donner Peak. Pacific Crest Trail S from Donner Summit (Hwy 40). 2353 Comment
  CDA6359  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4183 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  UCR173268  Linum bienne George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10431 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  JEPS127469  Linum lewisii var. lewisii Steve Matson 2003-5-26 785 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork. Comment
  UCSB25992  Lithospermum californicum Morley, Thomas 1946-5-11 Placer 100 yards northwest of Southern Pacific railroad tracks; 1/2 mile east of Dutch Flat station Comment
  UC79326  Lithospermum ruderale C. F. Sonne June 1886 Placer <Road to Lake Tahoe> Comment
  JEPS111185  Logfia filaginoides Steve Matson 2005-4-17 1219 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  CAS-BOT-BC283556  Lolium John Thomas Howell; Gordon H. True 1971-5-26 47619 Placer N limits of Lincoln 48 Comment
  SACT001441  Lolium multiflorum D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 19.812 Comment
  SACT001450  Lolium perenne D. Meyer 1984-6-23 Placer Along Placer-Nevada County Line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  SACT001453  Lolium perenne D. Meyer 1983-7-24 Placer Moist shady roadside. 1036.32 Comment
  UCD66468  Lolium perenne Beecher Crampton 1975-9-9 9283 Placer Alta, Interstate Hwy. 80 W. Comment
  UCD66471  Lolium perenne Beecher Crampton 1964-7-9 7108 Placer Emigrant Gap, U. S. Hwy. 40. 1615 Comment
  SACT001466  Lolium temulentum D. Meyer 1983-5-15 Placer Field at southeast corner. 36.6 Comment
  UC1087198  Lomatium dissectum var. multifidum Peter H. Raven 1958-6-14 13209 Placer w. side Donner Pass 2164 Comment
  UCR207882  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14574 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCR209007  Lomatium utriculatum George 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 Forest Hill Road in Foresthill 771 Comment
  POM26985  Lotus I. E. Diehl 1902-7-7 53 Placer Colfax Comment
  UCD168200  Lotus corniculatus Albert Grigarick 2014-8-2 372 Placer Alpine Meadows Ski Resort (Kangaroo Lift) - trail to Estelle near water tank. 2198 Comment
  UCR255866  Lotus crassifolius Greg de Nevers 1995-8-20 10769 Placer Sierra Nevada Mountains, Lake Tahoe 2165 Comment
  CDA11997  Lotus humistratus G. F. Hrusa 1995-5-2 12178 Placer Sierra Nevada; Approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  RSA0039066  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20345 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UC147591  Lotus incanus Miss Harriet A. Walker 1908-6-24 1278 Placer Blue Canyon 1432 Comment
  SEINET5327442  Lotus nevadensis F. H. Hillman s.n. Placer [Sierra Nevada] between Truckee and Lake Tahoe Comment
  UC1129105  Lotus oblongifolius var. oblongifolius N. French 1934-7-7 500 Placer Texas Hill Tahoe National Forest, Colfax Quad. 1524 Comment
  UC147593  Lotus oblongifolius var. oblongifolius Harriet A. Walker 1908-6-24 1289 Placer Blue Canyon 1432 Comment
  JEPS24946  Lotus pinnatus Marcus E. Jones, A. M. 1882-6-27 3282 Placer Emigrant Gap Comment
  SEINET3694462  Lotus pinnatus Marcus E. Jones 1882-5-27 3282 Placer Emigrant Gap Comment
  UC864267  Lotus pinnatus Marcus E. Jones, A. M. 1882-1 3282 Placer Emigrant Gap Comment
  UC569690  Lotus purshianus var. purshianus B. Bolt 1934-7-20 154 Placer Whiskey Hill Colfax Quad. 1645 Comment
  CDA3837  Lunaria annua G. D. Barbe, T. C. Fuller 1976-5-4 2176 Placer South of Railroad right-of-way along driveway, Alta. 0 Comment
  SCFS1216  Lupinus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  CAS-BOT-BC201253  Lupinus Charles Piper Smith 1932-9-2 4775 Placer Tahoe City, 3 miles north on Truckee Road Comment
  UCR189634  Lupinus adsurgens George K. Helmkamp, E. A. Helmkamp 2007-7-27 12630 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCD22080  Lupinus albicaulis Rex Palmer 1979-7-26 N 836 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR208573  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14607 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UC477530  Lupinus andersonii L. S. Smith 1931-6-3 2554 Placer Mosquito Ridge 1524 Comment
  SEINET4691666  Lupinus arbustus George K. Helmkamp, E. A. Helmkamp 2010-1 16678 Placer Northern Sierra Nevada Mountains: Robinson Flat campground near the junction of Forest Hill Road and Soda Springs Road, 27 miles northwest of the city of Foresthill. 2040 Comment
  UCR242369  Lupinus arbustus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16678 Placer Northern Sierra Nevada Mountains, Robinson Flat campground near the junction of Forest Hill Road and Soda Springs Road, 27 miles northwest of the city of Foresthill 2040 Comment
  SEINET8214803  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Summit. 2134 Comment
  JEPS111226  Lupinus argenteus subsp. argenteus Steve Matson 2005-7-4 1360 Placer Martis Valley, southeast of Truckee, National Recreation Area , south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; near trailhead; 39.2923 N, 120.1291 W. Elevation 5,900 ft. 1798 Comment
  UCD22082  Lupinus argenteus var. heteranthus Rex Palmer 1979-6-20 N 318 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS65024  Lupinus benthamii R. E. Arp 1932-4-18 4 Placer Coloma Comment
  UC1949024  Lupinus benthamii Barbara Ertter with David Thompson 1989-4-9 8199 Placer Coloma Road E of Auburn Comment
  JEPS65004  Lupinus bicolor R. E. Arp 1932-4-18 3 Placer Roseville Comment
  UCD164623  Lupinus bicolor Brandi Sorensen 1995-5-12 14 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UCR257019  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-4-23 22778 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  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
  UC82550  Lupinus latifolius var. viridifolius P. B. Kennedy and S. B. Doten 1901-8-18 412 Placer 7 mi from French Meadows (Talbots Home Camp); 7 mi from French Meadows, Talbots Home Camp Comment
  UCD108446  Lupinus lepidus var. lobbii S. L. Smith 1916-6-16 510 Placer Squaw Valley. 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
  JEPS127538  Lupinus lepidus var. sellulus Steve Matson 1998-6-14 253 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, west of Martis Creek, east of vernal pools. Comment
  UCD43094  Lupinus lepidus var. sellulus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 462 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR120503  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5026 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 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
  SEINET11261466  Lupinus microcarpus var. densiflorus George Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountain Foothills on Old Forest Hill Road, 0.4 miles NE of the junction with CA-49 at North Fork American River.; 0 290 Comment
  UCR250082  Lupinus microcarpus var. densiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20506 Placer Northern Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Forest Hill Bypass (Old Auburn-Foresthill Rd.), northeast of Auburn 445 Comment
  UC710396  Lupinus nanus C. P. Smith 1946-5-3 46267 Placer Hiway 99e s edge of town Roseville; s edge of town Roseville Comment
  CAS-BOT-BC438822  Lupinus polyphyllus var. burkei George K. Helmkamp; Mary Alice Barnes 2013-5-3 20458 Placer Northern Sierra Nevada Mountains Foothills: Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 deg. ) of Auburn. 672 Comment
  JEPS59497  Lupinus polyphyllus var. burkei Ezra Brainerd and Viola B. Baird 1915-7-25 251 Placer above Inn (Deer Park); Sierra Nevada Mts., Deer Park 2011 Comment
  RSA43803  Lupinus vallicola subsp. vallicola D. F. Howe 1948-5-20 s.n. Placer Placer 457 Comment
  CDA12403  Luzula comosa G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8531 ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD42901  Luzula comosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 269 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC9127  Luzula comosa var. subsessilis J. L. Wilson 1970-3-25 220 Placer U.S. Forest Station, Foresthill, Tahoe National Forest. In a lawn area in front of the office, Box 277. 984 Comment
  UCR173733  Madia citrigracilis George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10703 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  JEPS126353  Madia elegans Steve Matson 1998-7-27 346 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west of North Ave. at junction west fork of Snow Creek. Comment
  CAS-BOT-BC343774  Madia elegans R. F. Hoover 1967-9-6 10850 Placer Kings Beach, Lake Tahoe Comment
  CAS-BOT-BC343775  Madia elegans L. S. Smith 1925-6-6 1630 Placer Tahoe National Forest. Colfax-Forest Hill Road south of highway 533 Comment
  OBI15733  Madia elegans Robert F. Hoover 1967-9-6 10850 Placer Kings Beach, Lake Tahoe Comment
  UCR194935  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12018 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCR190664  Madia exigua George K. Helmkamp, E. A. Helmkamp 2007-5-23 12075 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  POM29875  Madia exigua Bultan 1883-1 s.n. Placer St. Lawrence [now Kelsey, El Dorado Co.] Comment
  CAS-BOT-BC342838  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  CAS-BOT-BC342839  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  CHSC73019  Madia glomerata L. P. Janeway 1998-8-6 5981 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  JEPS126350  Madia glomerata Steve Matson 1998-7-28 353 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt roas extension of North Ave. at junction with west fork of Snow Creek. Comment
  POM362230  Madia glomerata Fay A. MacFadden 1934-8-10 12938 Placer Cisco Comment
  UC406894  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco w slope of Sierra Nevada Comment
  SD248342  Madia gracilis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20804 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road. 768 Comment
  UCR229538  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17855 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  POM30638  Madia rammii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCD139055  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer ca. 1 mile east of Baxter. Comment
  UCD43084  Maianthemum stellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 452 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC1613937  Malacothrix Charles M. Belshaw 1935-6-18 1004 Placer near Baxter's Hotel (between Colfax and Gold Run) Comment
  UCD116557  Malva nicaeensis Lynn Gould 1962-4-17 55 Placer ca. 6 miles west of Roseville on P.F.E. Road. 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
  SEINET8551086  Marah fabacea B. Eshelman, H. Mozingo et al. 1979-3-31 s.n. Placer Mosquito Ridge road to French Meadows, near junction with North Fork of Middle Fork of American River. 518 Comment
  SEINET8551113  Marah fabacea S. Dean 1979-3-31 s.n. Placer Eldorado Creek near junction with North Fork of Middle Fork of American River, Mosquito Ridge Road to French Meadows. 518 Comment
  POM68334  Marah watsonii Mary E. P. Ames 1891-04 s.n. Placer Auburn [Bottom of printed label:Taylorsville, Indian Valley, Plumas Co.] Comment
  UC122541  Marsilea vestita subsp. vestita T. S. Brandegee Sept, 1888 Placer Emigrant Gap Comment
  UCR171351  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2005-9-30 9967 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  SDSU5045  Medicago arabica D. F. Howe 1951-5-2 2113 Placer 457 Comment
  UCR224860  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2010-4-23 15913 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
  SACT001500  Melica californica 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. Lightly shaded bank. 91.5 Comment
  SACT001496  Melica californica var. nevadensis Michael Baad 1983-5-5 Placer 3 miles southeast on Yankee Jim Road from Canyon Way Road, descending to North Fork of American River. 548.64 Comment
  SACT001503  Melica californica var. nevadensis Michael Baad 1976-6-3 Placer 1.1 miles east of bridge. 3.3 miles east of Auburn on old Auburn to Foresthill Road. Southeast facing slope. 217.0 Comment
  SACT001513  Melica harfordii Michael Baad 1977-6-2 Placer 0.8 mile south of Wiemar, east-facing cliff streamside habitat. 606.0 Comment
  UCD149728  Melica subulata G. Ledyard Stebbins 1977-7-9 7769 Placer Along trail from McKinistry Lake to Rubicon River. (Exact location unknown. Coordinates estimated by label maker.) 1889 Comment
  SACT001550  Melica torreyana Josephine Van Ess 1979-6-5 Placer on bypass; lightly shaded bank 198.2 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
  UCR146868  Melilotus albus Beecher Crampton 1972-7-26 8848 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  POM153475  Mentzelia dispersa P. A. Munz 1928-6-25 14095 Placer Tahoe Camp, Lake Tahoe 2073 Comment
  UC872428  Mentzelia montana Lewis S. Rose 1941-7-12 41313 Placer Lake Tahoe, Chambers Lodge (McKinney) 1920 Comment
  UCD22374  Micranthes bryophora Rex Palmer 1979-7-11 N 555 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC428878  Micranthes californica G. L. Stebbins 1970-4-4 6989 Placer Shirttail Canyon south of North Fork, American River, along road from Colfax to Forest Hill [Foresthill]. 365 Comment
  CAS-BOT-BC428879  Micranthes californica Marcus E. Jones 1882-7-1 3587 Placer Emigrant Gap Comment
  SEINET6033445  Micranthes californica K. Terrell 1960-3-17 s.n. Placer South fork of American River, 2 miles from Placerville 792 Comment
  SJSU8088  Micranthes odontoloma R. L. Fisher 1957-8-5 Placer headwaters Sugarbowl Cr (S Fork Yuba R), Emigrant Meadow between Mt Judah & Mt Lincoln, 3 mi S of Norden 2286 Comment
  CAS-BOT-BC348386  Micropus californicus var. californicus David D. Keck 1933-5-31 2429 Placer Just south of Auburn on road to Roseville 305 Comment
  CAS-BOT-BC348387  Micropus californicus var. californicus David D. Keck 1933-5-31 2429 Placer Just south of Auburn on road to Roseville 305 Comment
  CAS-BOT-BC348682  Microseris acuminata Gordon H. True 1971-4-21 6525 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  CAS-BOT-BC349324  Microseris nutans H. N. Bolander; Keller, M. D. & Co. No date on label s.n. Placer Cisco 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
  JEPS88683  Microseris nutans L. S. Smith 1926-5-25 1852 Placer below Millers Defeat (Mosquito Ridge); , Tahoe Forest 1676 Comment
  UCD38466  Mimulus aurantiacus Beecher Crampton 1955-6-15 2893 Placer 8.5 miles west of Iowa Hill. Comment
  JEPS4597  Mimulus aurantiacus var. grandiflorus Matt Herbrand 1916-7-2 Placer Emigrant Gap Comment
  JEPS103346  Mimulus breweri Lowell Ahart 2002-7-22 9900 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UCD162578  Mimulus breweri Steve Matson 2003-6-9 789 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters north of Highway 267, 50 meterswest of Martis Creek. 1780 Comment
  UCD21896  Mimulus breweri Rex Palmer 1979-6-20 N 328 Placer near Chickerings. Comment
  RSA447929  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD162607  Mimulus guttatus Steve Matson 1999-7-28 130 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork bog. 1920 Comment
  UCR234212  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17170 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 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
  SEINET12269869  Mimulus guttatus Unknown 1953-1 s.n. Placer US 50 near Placerville Comment
  SEINET8274773  Mimulus guttatus Keith G. Weinstock 1975-5-24 29 Placer 0.1 mile down Foresthill Road and Old Foresthill Road. Comment
  RSA0042077  Mimulus kelloggii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20346 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  RSA409259  Mimulus kelloggii Fay A. MacFadden 1934-3-31 12430 Placer Near Monte Vista Inn. Comment
  SDSU122  Mimulus kelloggii David M. Thompson, Barbara Ertter 1989-4-9 997 Placer 3.0 mile road NE of Shirttail Creek bridge along Shirttail Canyon Road. 500 Comment
  UC194066  Mimulus lewisii C. F. Sonne July 1884 Placer along creek above Coldstream Comment
  UC27039  Mimulus lewisii C. F. Sonne 1887-8-7 Placer canyon above Coldstream; Sierra Nevada Mountains Comment
  UC58252  Mimulus lewisii A. A. Heller 1903-8-10 7141 Placer ridge above Donner Pass 2286 Comment
  UCD130330  Mimulus lewisii Albert Grigarick 2011-8-31 308 Placer Alpine Meadows Ski Resort. Approx. 300 yds W of headquarters. 2144 Comment
  UC65859  Mimulus lewisii P. B. Kennedy 1901-8-10 269 Placer summit Soda Springs Comment
  SEINET4691384  Mimulus mephiticus George K. Helmkamp, E. A. Helmkamp 2010-1 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road. 1662 Comment
  UCD21877  Mimulus moschatus Beth Lowe Corbin 1982-8-10 289 Placer 3/4 mile west of Onion Creek campground. 2023 Comment
  UCD75693  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5142 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
  UCR226133  Mimulus primuloides Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5132 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, near undeveloped road that crosses the creek 2107 Comment
  UCD162602  Mimulus primuloides var. primuloides Steve Matson 1998-6-14 247 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 1km west of Martis Creek. 1780 Comment
  POM298032  Mimulus tilingii A. A. Heller 1917-8-13 12918 Placer Ridge northwest of Donner Pass. 2378 Comment
  UC573534  Mimulus torreyi N. French 1934-6-15 414 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle 1463 Comment
  UCD40954  Mimulus torreyi Cathy Hendel 1973-6-9 132 Placer 6.3 miles on Ice House Road from Hwy 50. 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
  SCFS5110  Mimulus torreyi F. Felix, Erica Krimmel 2013-5-19 8 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  SEINET12765191  Minuartia californica Barbara Ertter 1991-3-29 9719 Placer 2-3 miles south of Lincoln.; 0 46 Comment
  CDA17967  Mollugo verticillata K. Connolly 1999-10-8 PDR 1222844 Placer Sierra Nevada; Sierra View Nursery, Loomis, CA. 129 Comment
  UC883586  Monardella candicans Marcus E. Jones, A. M. 1882-7-4 3458 Placer Colfax Comment
  SEINET3996429 Image available Monardella odoratissima Lewis S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  SEINET13948628 Image available Monardella odoratissima Lewis S. Rose 1941-1 41316 Placer Open pine forest. Homewood, Lake Tahoe, alt ca 6300 ft 1920 Comment
  SEINET8732859 Image available Monardella odoratissima Lewis S. Rose 1941-1 41316 Placer Homewood, Lake Tahoe, alt. ca. 6300 ft. 1920 Comment
  POM126768  Monardella odoratissima subsp. glauca Helen D. Geis 1912-7-1 178 Placer Deer Park Comment
  RSA636076  Monardella odoratissima subsp. pallida Robert M. Rhode, B. Nemeth 1997-6-26 170 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
  CAS-BOT-BC222104  Monardella odoratissima subsp. pallida Mary P. Wells 1980-9-11 s.n. Placer Alpine Meadows by Bear Creek, opposite stable 1950 Comment
  SEINET10582105  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 274 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  JEPS126335  Montia chamissoi Steve Matson 1998-6-14 249 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek, Comment
  CAS-BOT-BC445125  Montia parvifolia Marcus E. Jones 1882-6-1 s.n. Placer Emigrant Gap Comment
  RSA129350  Muhlenbergia filiformis B. Bolt 1934-7-20 155 Placer Whiskey Hill. 1646 Comment
  RSA129351  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer 2 miles southwest of Martis Peak. 2287 Comment
  UC34018  Muhlenbergia filiformis C. F. Sonne July 1892 20 Placer dry hills Sierra Nevada Mountains, Truckee Comment
  UC819025  Muhlenbergia filiformis A. A. Heller 1917-8-13 12913 Placer ridge nw Donner Pass 2346 Comment
  CDA15942  Muhlenbergia richardsonis G. F. Hrusa, J. Glazner 1999-7-17 15150 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC515662  Muscari botryoides Shannon Wright 1994-5-13 7 -5 Placer Hwy 80 above truckee on Placer-Nevada county line Comment
  UC854359  Myosurus apetalus Alice Eastwood Jun 15 1912-Jun 19 1912 467 Placer Tahoe City; Lake Tahoe Region Comment
  UCD72519  Myriophyllum quitense Lars Anderson; Toni Pennington 2008-6-3 s. n. Placer Lake Tahoe (California side, near Taylor Creek). 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
  SEINET8731508 Image available Nama lobbii Margaret J. Williams 1984-1 84- 64 -2 Placer East side of Hwy 20 near the intersection with the Diamond Creek Road. Elev. : 5400 ft. 1646 Comment
  SD247382  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-3-3 20501 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 miles east (87 degrees) of Forest Hill. 422 Comment
  CDA15940  Navarretia capillaris G. F. Hrusa, J. Glazner 1999-7-17 15147 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS127454  Navarretia capillaris Steve Matson 1998-6-21 263 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  UCD21978  Navarretia capillaris Beth Lowe Corbin 1982-8-11 326 Placer 1 1/2 mile WNW of Onion Creek campground. In moist, fine, sandy soil. Meadowy drainage in White Fir forest. Flowers white, anthers blue. Mostly shade. SE facing slope, 20% incline. Locally frequent. 1950 Comment
  UCD75681  Navarretia divaricata Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5130 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, near underdeveloped road that crosses the creek. 2106 Comment
  CDA15676  Navarretia divaricata subsp. divaricata G. F. Hrusa, J. Glazner 1999-7-18 15226 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  JEPS111232  Navarretia divaricata subsp. divaricata Steve Matson 2005-6-12 1271 Placer Martis Valley, ca 5 miles southeast of Truckee, Northstar subdivision,west of 267, near entrance road just east of gas station; 39.2873 N, 120.1068 W; Elevation 6200 ft. 1889 Comment
  SEINET3861933  Navarretia divaricata subsp. divaricata Genevieve K. Walden 2009-6-25 211 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  RSA91925  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer 3 miles north of Roseville, Hwy 99E. Comment
  UC133912  Navarretia filicaulis Katharine Brandegee Placer Gold Run Comment
  CDA36875  Navarretia intertexta CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CHSC73974  Navarretia intertexta subsp. propinqua Susi Urie 1998-9-1 98 -196 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
  JEPS127514  Navarretia intertexta subsp. propinqua Steve Matson 1997-6-15 14 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UCR120234  Navarretia intertexta subsp. propinqua George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5070 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  POM145543  Navarretia leptalea J. B. Feudge 1927-7-19 1748 Placer Emigrant Gap. 1524 Comment
  SBBG58362  Navarretia leptalea A. A. Heller 1927-8-15 14445 Placer near the Yuba River, Cisco Comment
  UCD22108  Navarretia leptalea Rex Palmer 1979-6-20 N 330 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA470066  Navarretia leptalea Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UC1123763  Navarretia leptalea subsp. bicolor B. Bolt 1934-7-12 112 Placer Devil's Peak Tahoe National Forest, Truckee Quad. 2042 Comment
  UC217358  Navarretia leptalea subsp. leptalea H. M. Hall 1910-7-10 8752 Placer Cisco Sierra Nevada, Cisco 1828 Comment
  UC880051  Navarretia leptalea subsp. leptalea Lewis S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  UCD39200  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer 2 miles north of Licoln. Sunnybrook Farm (Francheschi). Comment
  SEINET189572  Navarretia leucocephala Lincoln Constance 1941-5-28 2820 Placer 2 miles N ofl Lincoln, Sarcamento Valley. 61 Comment
  UC106895  Navarretia linearifolia subsp. linearifolia C. F. Sonne Sept., 1895 Placer road to Hot Springs Lake Tahoe; Sierra Nevada Mountains, rd to Hot Springs Lake Tahoe Comment
  RSA0116717  Navarretia nigelliformis subsp. nigelliformis John Dittes 2003-5-25 2003 -31 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.6 air miles due E of intersection of Hwy 65 and 12 Bridges Exit 46 Comment
  UCD34170  Navarretia pubescens Beecher Crampton 1977-7-2 9511 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  UCD34184  Navarretia pubescens Beecher Crampton 1977-9-18 9530 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  CAS-BOT-BC7208  Nemophila humilis Alice Eastwood 1898-6-8 s.n. Placer Summit Comment
  POM126461  Nemophila maculata W W Mackie 1904-04 s.n. Placer Newcastle. 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
  JEPS1482  Nemophila menziesii W. H. Shockley 1879-1 Placer Auburn Comment
  UC449911  Nemophila menziesii Francis Ramaley 1917-4-14 11107 Placer Lincoln Comment
  UCD120255  Nemophila menziesii var. menziesii J. L. Wirka 1995-5-19 s.n. Placer Near a road cut about 1 km from the trailhead of the Steven's Trail that descends the north fork of the American River Canyon outside of Colfax, south of I-80. 400 Comment
  UC606979  Nemophila pedunculata L. Constance 1938-6-6 2278 Placer 6.5 mi w Cisco (Sierra Nevada); , w of Cisco 1584 Comment
  UC24194  Nemophila spatulata C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UC67138  Nemophila spatulata Marcus E. Jones, A. M. 1882-6-30 2816 Placer Emigrant Gap Comment
  UCR121485  Nemophila spatulata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5019 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC231505  Nicotiana G. P. Rixford 1914-6-22 s.n. Placer Loomis Comment
  UCD110219  Notholithocarpus densiflorus var. echinoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-6 s.n. Placer Michigan Bluff-Forest Hill. Michigan Bluff Road. 1070 Comment
  UC4148  Odontostomum hartwegii C. F. Sonne 1891-5-17 14 Placer Auburn Sierra Nevada Mts., Auburn Comment
  UC169240  Oenothera cespitosa subsp. marginata Katharine Brandegee 1913-1 2048 a Placer Canyon of the Truckee Comment
  UCR200878  Oenothera elata subsp. hirsutissima George K. Helmkamp, E. A. Helmkamp 2008-9-15 14096 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  JEPS71554  Oreostemma alpigenum var. andersonii Gladys L. Smith 1972-8-25 3430 Placer meadow below cirque, north face Granite Chief Granite Chief 2575 Comment
  UCD21985  Orobanche californica subsp. grayana Beth Lowe Corbin 1982-8-19 384 Placer 2 miles south of The Cedars. 2118 Comment
  JEPS11677  Orobanche californica subsp. grayana Miss M. Annie Miller Sep 1914 Placer Tahoe Tavern, Tahoe 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
  SJSU6215  Orthilia secunda R. L. Fisher 1959-8-12 Placer 2 mi W of L Van Norden 1981 Comment
  JEPS59380  Orthilia secunda Ezra Brainerd and Viola B. Baird 1915-7-26 128 Placer Sierra Nevada Mts. along Truckee River, Bear Rock 1889 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
  POM153464  Orthocarpus hispidus Philip A. Munz 1928-6-25 11088 Placer Tahoe Camp, USFS, Lake Tahoe. 2073 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
  POM82918  Osmorhiza berteroi Marcus E. Jones 1882-6-29 2734 Placer Emigrant Gap. Comment
  SEINET474026  Osmorhiza berteroi M. E. Jones 1882-6-29 Placer Emigrant Gap Comment
  UCSB17656  Osmorhiza brachypoda Hardham, Clare 1961-6-14 Placer Rte. 40 Baxter 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
  UC398750  Osmorhiza occidentalis Katharine Brandegee 1917-1 Placer Cisco Comment
  UC849847  Oxyria digyna A. A. Heller 1917-8-14 12922 Placer near the crest Mt. Lincoln (s of Summit valley); Mt. Lincoln s of Summit valley 2499 Comment
  SEINET208826 Image available Paeonia brownii Edward L. Smith 1967-6-17 sn Placer 1 mile east of Emigrant Gap 1620 Comment
  UC854375  Paeonia brownii Alice Eastwood Jun 15 1912-Jun 19 1912 362 Placer Deer Park Lake Tahoe Region Comment
  UCD36704  Panicum acuminatum var. fasciculatum Beecher Crampton 1955-7-13 2987 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD34185  Panicum dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Applegate. Comment
  CHSC79421  Panicum hillmanii Beecher Crampton 1975-9-9 9281 Placer Alta, Hwy 80. 1188 Comment
  SACT001646  Panicum pacificum Michael Baad 1977-6-9 Placer At junction of Middle Fork of American River and Rubicon River 365.76 Comment
  UCD88733  Paspalum dilatatum Beecher Crampton 1965-9-13 7496 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCR141668  Paspalum urvillei Beecher Crampton 1965-9-13 7499 Placer Sierra Nevada Mtns., Gold Run, Interstate Hwy 80 976 Comment
  RSA124120  Pedicularis attollens E. F. Sprague 1956-8-16 1511 Placer Valley below Mt. Lincoln, Sugar Bowl, Norden. 2134 Comment
  UC197286  Pedicularis attollens C. F. Sonne 1897-8-14 Placer near Tinker Knob; Sierra Nevada Mountains Comment
  UC1035662  Pedicularis racemosa Laura E. Mills, Kay H. Beach 1940-8-5 28 Placer 4 mi n of Soda Springs (Camp Pahatsi); Sierra Nevada Mountains Comment
  JEPS111208  Pedicularis semibarbata Steve Matson 2005-7-4 1364 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  SEINET5777403 Image available Pellaea brachyptera Marcus E. Jones 1882-1 3275 Placer Emigrant Gap Comment
  UCD23227  Pellaea brachyptera Beth Lowe Corbin 1982-8-9 288 Placer 2/3 mile southwest of Onion Creek campground. 1767 Comment
  CAS-BOT-BC67607  Pellaea bridgesii C. F. Sonne 1886-7-5 3221 Placer Sierra Nevada Mts. - Above Summit Station 2209 Comment
  CAS-BOT-BC77151  Pellaea mucronata subsp. mucronata C. D. MacNeill 1961-4-24 s.n. Placer Near Applegate 609 Comment
  SEINET178787 Image available Penstemon azureus Marcus E. Jones 1982-7-3 3436 Placer Colfax Comment
  SEINET4560769  Penstemon azureus George K. Helmkamp, E. A. Helmkamp 2010-1 16670 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  UCR209724  Penstemon azureus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15444 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  NY571188  Penstemon azureus var. azureus M. E. Jones 1882-7-3 3436 Placer Colfax Comment
  SEINET5326487 Image available Penstemon azureus var. azureus H. M. Hall 1910-6-19 8702 Placer Cisco, in the Transition Zone 1800 Comment
  JEPS71736  Penstemon deustus var. pedicellatus Gladys L. Smith 1972-6-20 3226 Placer Ward Peak Ward Peak (steep exposed ridge from charilift terminus to ultimate summit peak) 2632 Comment
  CAS-BOT-BC264483  Penstemon heterodoxus var. heterodoxus John Thomas Howell 1943-7-22 18705 Placer Summit Valley Comment
  UC480749  Penstemon heterodoxus var. heterodoxus W. C. Blasdale 1923-7-13 Placer top of Ellis Peak Lake Tahoe Region, top of Ellis Peak Comment
  POM260311  Penstemon heterophyllus subsp. purdyi C. Leo Hitchcock 1940-5-14 6412 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  SBBG32352  Penstemon laetus L. S. Rose 1968-6-9 68070 Placer Alta 1066 Comment
  UCD33548  Penstemon laetus Beecher Crampton 1969-7-1 8487 Placer 1/4 mile W of Emigrant Gap post office on Interstate Hwy. 80. Comment
  UCR233369  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  CAS-BOT-BC239279  Penstemon newberryi var. berryi L. S. Smith 1928-6-27 2392 Placer Tahoe National Forest, Deer Park along 5-Lakes Trail 1981 Comment
  CAS-BOT-BC239280  Penstemon newberryi var. berryi E. A. McGregor 1909-8-13 114 Placer Lake Tahoe Region. Susie Lake 2331 Comment
  NY627325  Penstemon newberryi var. newberryi N. H. Holmgren 1966-7-19 2907 Placer Along old US 40, 1.5 miles east of Norden Comment
  SEINET12328851  Penstemon parvulus J. H. Nishida 1985-1 781 Placer homewood, Red Fir Forest 1829 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
  UCR207116  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2009-7-16 15225 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
  POM98174  Penstemon roezlii E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
Read comments
Jan 1 2016
  CAS-BOT-BC239576  Penstemon rydbergii var. oreocharis Geo. B. Grant 1906-7-15 7004 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC239577  Penstemon rydbergii var. oreocharis L. S. Smith 1926-6-23 1977 Placer Tahoe National Forest, Squaw Valley North side meadow 1828 Comment
  JEPS11514  Penstemon speciosus W. L. Jepson 1918-7-30 7719 Placer Lake Tahoe near Tahoe City; Lake Tahoe near Tahoe City 1920 Comment
  UCR110977  Perideridia bolanderi George K. Helmkamp, E. A. Helmkamp 1999-6-30 5105 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UC875330  Perideridia bolanderi subsp. bolanderi Marcus E. Jones, A. M. 1882-6-28 3603 Placer Emigrant Gap Comment
  CHSC73909  Perideridia lemmonii Susie Urie 1998-8-28 98 -132 Placer Middle of Page Meadows; anout 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 11 W']. 2121 Comment
  UCD44588  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1954 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC419304  Persicaria punctata Brighton C. Cain 1925-8-15 9 Placer 2 miles south of Auburn at Wise Power House Comment
  RSA293426  Petrorhagia dubia Reino Alava 1958-5-3 2021 Placer Near the Forestry Station at Auburn. Comment
  RSA537447  Petrorhagia dubia Barbara Ertter, David M. Thompson 1989-4-9 8187 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  UCR240916  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19241 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  UCR191132  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2007-6-12 12315 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCD43241  Phacelia heterophylla C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 610 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC1602035  Phacelia heterophylla subsp. virgata N. French 1934-6-22 477 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  JEPS14037  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-19 3865 Placer near site of Monona Flat (ridge between Indian River and North Fork of the American River, about 2 1/2 mi e of Iowa Hill) 990 Comment
  JEPS2123  Phacelia humilis C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  JEPS71492  Phacelia humilis Gladys L. Smith 1972-6-18 3162 Placer in meadow across from Alpine Meadows Lodge 2072 Comment
  UCD74138  Phacelia humilis var. humilis Jennifer W. Burt 2005-7-11 118 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
  RSA145541  Phacelia humilis var. humilis E. R. Blakley 3816 Placer Kings Beach Lake Tahoe. 1905 Comment
  JEPS59366  Phacelia hydrophylloides Ezra Brainerd and Viola B. Baird 1915-7-25 115 Placer Garden of the Gods Sierra Nevada Mts., Deer Park 2133 Comment
  SD243161  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16662 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  JEPS21168  Phacelia marcescens N. French 1934-5-24 362 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  UCD120564  Phacelia marcescens G. L. Stebbins 1977-7-8 7761 Placer East side of McKinistry Peak. 2316 Comment
  UCD149513  Phacelia marcescens G. L. Stebbins 1970-7-12 7050 Placer 2 miles north of Alta, Bear River Canyon. (Exact location unknown. Coordinates estimated by label maker.) 1097 Comment
  SD241060  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 miles NE (65a^z) of Emigrant Gap (Blue Canyon 7.5'Q) 484 Comment
  SD243163  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2011-8-26 18175 Placer Northern Sierra Nevada Mountains: Robinson Flat, 0.1 mile south of the campground at Forest Hill Road. Open rocky flat. 2061 Comment
  UC1051801  Phacelia mutabilis Malcomb Nobs 1950-9-24 Placer e slope Squaw Peak 2133 Comment
  UC147628  Phacelia mutabilis Harriet A. Walker 1908-6-24 1267 Placer Blue Canyon 1432 Comment
  UC909967  Phacelia mutabilis A. A. Heller 12890 Placer Summit Station 2121 Comment
  UCR240723  Phacelia racemosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19239 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  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
  CHSC40967  Phacelia vallicola J. D. Jokerst 1984-6-19 2057 Placer North of Long Canyon Cr., E of Blacksmith Flat. 1127 Comment
  CDA36452  Phalaris arundinacea var. picta R. Robison 2011-8-19 Placer Lake Tahoe; Sugar Pine Point State Park, along General Creek, downstream from historic icehouse. 0 Comment
  UCD88891  Phalaris lemmonii Beecher Crampton 1957-5-7 3991 Placer 2 miles N of Lincoln. Comment
  RSA0057763  Philadelphus lewisii Beecher Crampton 1955-6-15 2883 Placer Bunch Canyon, Forest Hill Road, 2.5 miles south of US Hwy. 40. 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
  JEPS127438  Phlox diffusa Steve Matson 1999-6-12 405 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/kings Beach; dirt road extension of Tiger Ave. heading west. Comment
  UC23925  Phlox diffusa C. J. Fox Jr. Jul 1895 Placer near Squaw Peak 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
  UCD22380  Phoenicaulis cheiranthoides Beth Lowe Corbin 1982-8-10 305 Placer 1 3/4 mile NW of Onion Creek Campground. SE facing slope, 40% incline. Locally common. Full sun. Open, rocky talus slope, above white fir forest. 2133 Comment
  UCD75738  Phoenicaulis cheiranthoides Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5201 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  SEINET7270702  Phyllodoce breweri W. D. Billings 1950-7-30 1917 Placer Northeast side of Squaw Peak 2560 Comment
  UC1121031  Phyllodoce breweri N. French 1933-9-13 96 Placer Tahoe National Forest, Bald Mountain Bald Mountain; Tahoe National Forest, Bald Mountain 2133 Comment
  UC1121048  Phyllodoce breweri C. W. Hanks 1934-10-11 124 Placer Tahoe National Forest, Upper end of Cold Creek Canyon Cold Creek Canyon; Tahoe National Forest, Cold Creek Canyon 2286 Comment
  UCR259862  Physalis lancifolia George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22461 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
  UCR253503  Phytolacca americana George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20090 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 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
  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
  UC139  Pinus albicaulis W. A. Setchell 1901-7-1 Placer Tahoe Comment
  HSC1484  Pinus contorta R. A. Magie 1964-6-12 102 Placer Turn off of Hwy. 20 6 mi. W of Hwy. 40 junction, 12 mi. to Lindsay Lake, Bulk Collection # 36 Comment
  OBI20153  Pinus contorta subsp. murrayana David J. Keil 1978-7-23 12943 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UC172  Pinus contorta subsp. murrayana J. Burtt Davy Jun 25 1897-Jun 30 1897 3246 Placer along the Truckee River Truckee River Basin Comment
  UC813291  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit valley 2118 Comment
  NY49915  Pinus contorta var. murrayana A. A. Heller 1917-8-13 12883 Placer Summit Valley 2118.4 Comment
  HSC1505  Pinus jeffreyi R. A. Magie 1964-3-27 17 Placer 10 mi. E of Grass Valley along Hwy. 20 Comment
  UCD23235  Pinus jeffreyi Beth Lowe Corbin 1982-8-25 420 Placer Onion Creek campground. 1841 Comment
  SEINET5334621  Pinus jeffreyi W. D. Billings 1943-1-17 1586 Placer Truckee River canyon between Truckee & Tahoe City Comment
  SEINET5334657  Pinus lambertiana T. C. Frantz 1951-5-22 s.n. Placer between north end Lake Tahoe and highway at Nevada State line Comment
  UCD23234  Pinus monticola Beth Lowe Corbin 1982-8-19 377 Placer 1 1/4 mile SSW of The Cedars. 1828 Comment
  NY951530  Pinus ponderosa var. ponderosa D. H. Goldman 2004-12-24 3007 Placer "Mosquito Narrows," Mosquito Ridge, just N of Mosquito Ridge Road (Forest Road 96), just E of the intersection with a dirt road going to the NW, about 5.9 miles from the parking lot at the Placer County Big Tree Reserve and about 18.9 miles E of the 1289 Comment
  HSC1542  Pinus sabiniana R. A. Magie 1964-6-13 107 Placer Flood Rd. 2 mi. NE of Auburn on Hwy. 40, Bulk Collection # 38 366 Comment
  SEINET5334782  Pinus sabiniana J. W. Vetter 1956-4-7 s.n. Placer On Calif. Highway 49, about 10 miles north of Auburn 610 Comment
  UCR171350  Pinus washoensis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9996 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
  UCR215977  Piperia transversa George K. Helmkamp, Amy Barnes 2009-7-12 15175 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UCR233013  Plagiobothrys George K. Helmkamp, E. A. Helmkamp 2011-5-12 17254 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  JEPS71521  Plagiobothrys cognatus Gladys L. Smith 1972-6-18 3157 a Placer open meadow in forest below Scott Peak; Alpine Meadows 2072 Comment
  CHSC96470  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
  UCD18831  Plagiobothrys greenei Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-27 136 Placer 1 mi. east along Athens Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022, UTMs: 10S0645594; 4300408. Comment
  CDA15983  Plagiobothrys hispidulus G. F. Hrusa, J. Glazner 1999-7-17 15162 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS103534  Plagiobothrys hispidulus Lowell Ahart 2002-7-22 9881 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
  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
  SEINET10844289  Plagiobothrys stipitatus var. micranthus Lowell Ahart, Brian Williams 2007-4-13 Ahart 13638 Placer T13N, R6E, northwest 1/4 Section 34. Small and normal size plants, on damp granite soil, 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. Valley Grassland. 44 Comment
  SD241121  Plantago coronopus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18650 Placer Sacramento Valley: along CA-193, 0.1 mile west of tis junction with Sierra College Blvd. (Gold Hill 7.5'Q) 88 Comment
  UCD18833  Plantago coronopus Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-27 138 Placer 1 mi. east along Athens Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022, UTMs: 10S0645594; 4300408. Comment
  CHSC82581  Plantago major Lowell Ahart 2002-7-22 9892 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  JEPS103408  Plantago major Lowell Ahart 2002-7-22 9892 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
  UCD21984  Plantago major Beth Lowe Corbin 1982-8-12 329 Placer Onion Creek campground. In sandy soil. Disturbed meadow near stream. Perennial. Inflorescence green. Full sun. SW facing slope, 5% incline. Common. 1841 Comment
  UCD138953  Platanthera dilatata var. leucostachys Beecher Crampton 1972-6-20 8824 Placer upslope from Bear valley, State Highway 20 East. Comment
  HSC97403  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-20 385 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 2058 Comment
  UC635444  Platystemon californicus Dorothy Tebbe 1930-4-5 94 Placer near Roseville; near Roseville Comment
  RSA20889  Platystemon californicus var. californicus Carl B. Wolf 1937-3-30 8352 Placer Sacramento Valley, 1.5 miles east of Lincoln on Penryn Road. 61 Comment
  UCR250901  Plectritis macrocera George K. Helmkamp, Mary Alice Barnes 2013-4-18 20347 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
  UCD21921  Pleuricospora fimbriolata Beth Lowe Corbin 1982-8-10 292 Placer 3/4 mile WSW of Onion Creek campground. In fine, sandy and organic soil. Small meadow in White Fir forest. Plant completely white, colorless. Partial sun. SE facing slope, 10% incline. Rare. 2023 Comment
  UC195864  Pleuricospora fimbriolata C. F. Sonne July 1897 Placer near Truckee (above Schafer Sawmill, Sierra Nevada Mountains); Sierra Nevada Mountains Comment
  JEPS86489  Poa L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6570 Placer ca 5 mi se Donner Lake (e of Tinker Knob, Sherman Chickering's Soda springs) 2621 Comment
  SEINET3440029 Image available Poa George K. Helmkamp, E. A. Helmkamp 2012-5-5 18918 Placer Northern Sierra Nevada Mountains Foothills: Lake Clementine Road, 1.2 mi W of its junction with Foresthill Road, 0.3 air mi SE of Clementine Dam on the American River 396 Comment
  CHSC96459  Poa annua Lowell Ahart; Brian Williams 2007-4-13 13665 Placer On the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SACT001778  Poa annua D. Meyer 1983-5-15 Placer Field at Southeast corner. 36.6 Comment
  SACT001785  Poa annua Josephine Van Ess 1976-3-15 Placer Collected just west of Barton Road. Edge of orchard. 103.7 Comment
  SEINET7709036  Poa annua J. Nachlinger 1984-3-17 909 Placer Middle Fork of American River, on road to Placerville. 457 Comment
  RSA129110  Poa bolanderi N. H. French 1934-6-22 s.n. Placer 1/2 mile W. of Lake Dulzura 2195 Comment
  SACT001802  Poa bolanderi James Grove 1977-7-15 Placer 2000.0 Comment
  UC1132588  Poa bolanderi N. French 1934-6-22 452 Placer 1/2 mi w Lake Dulzura; Truckee Quadrangle Comment
  UCD21589  Poa bolanderi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1252 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  UCD75951  Poa bolanderi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5192 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
  UCD90547  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer Along the Yuba River. Below Cisco. 1676 Comment
  SACT001801  Poa bolanderi Michael Baad 1983-6-23 Placer 0.2 km west of 89 1828.0 Comment
  UCR208558  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14658 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  SACT001814  Poa bulbosa Josephine Van Ess 1978-3-23 Placer 378.0 Comment
  SACT001869  Poa nevadensis D. Meyer 1983-6-16 Placer 1624.0 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
  UCD91793  Poa palustris Beecher Crampton 1956-7-17 3727 Placer 0.75 mile west of Blue Canyon Store. Comment
  CDA16982  Poa pratensis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16035 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SACT001899  Poa pratensis Michael Baad 1977-6-3 Placer 1.2 mile west of Big Reservoir Camp, serpentine outcrop with jeffery pine. 1219.2 Comment
  SACT001908  Poa pratensis Michael Baad 1983-7-1 Placer 0.2 mile beyond airport road on road to Blue Canyon 1584.96 Comment
  SACT001931  Poa pratensis D. Meyer 1983-10-22 Placer Searchlight ski run, from base up to Olympic Lady charilift 2121.0 Comment
  SACT001932  Poa pratensis D. Meyer 1984-5-6 Placer Collected on Garden Bar Rd. Riparian habitat. 182.0 Comment
  CHSC74174  Poa pratensis subsp. pratensis Susi Urie 1998-8-17 98 -048 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
  SACT001958  Poa scabrella Josephine Van Ess 1977-4-13 Placer Collected about .25 mile below dam. Moist roadside bank. Light shade. 103.7 Comment
  SACT001976  Poa scabrella Michael Baad 1983-7-16 Placer 5.44 km northeast of Junction with Chipmunk Ridge Road along south shore French Meadows Reservoir. Open rocky slope on left side of road. 1612.0 Comment
  SACT001989  Poa scabrella Michael Baad 1977-6-8 Placer 3.2 km northeast of Brushy Springs Station, ridge northeast of center of crater area. Overlooking the south rim of the Middle Fork of the American River. 1219.2 Comment
  SEINET10659352  Poa scabrella A. Arthur Heller 1917-6-17 Heller 12696 Placer Low, gravelly places along the Yuba river below Cisco. Pinus Murrayana and Populus trichocarpa are the trees, several species of willow plentiful. Granite. 1676 Comment
  SACT002008  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
  UCD18258  Poa secunda E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 470 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  CAS-BOT-BC242951  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  RSA0049711  Poa sierrae Dean Wm. Taylor 2013-6-19 21370 Placer Ralston Ridge (ca. 15 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down from (North of) Forest Road 25 along the ridgecrest 1482 Comment
  UCD91579  Poa wheeleri Beecher Crampton 1964-7-21 7130 Placer Blue Canyon. 1430 Comment
  UCD36705  Podagrostis humilis Beecher Crampton 1955-7-13 2988 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD52746  Podagrostis humilis B. Crampton 1955-7-13 2988 Placer along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  CHSC96500  Pogogyne zizyphoroides Lowell Ahart; Brian Williams 2007-4-13 13650 Placer On damp granite soil, on the bottom of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CDA16046  Polemonium pulcherrimum G. F. Hrusa, J. Glazner 2000-9-3 15666 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  CAS-BOT-BC231303  Polemonium pulcherrimum M. S. Jussel 1928-7-22 s.n. Placer Miller's Lake, Lake Tahoe region Comment
  CAS-BOT-BC170306  Polygala cornuta var. cornuta W. R. Dudley 1909-8-1 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC300503  Polygala cornuta var. cornuta George K. Helmkamp; E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  JEPS59446  Polygala cornuta var. cornuta Ezra Brainerd and Viola B. Baird 1915-7-31 172 Placer Nevada City Sierra Nevada Mts. 1524 Comment
  POM86398  Polygala cornuta var. cornuta I. E. Diehl 1902-7-7 49 Placer Colfax Comment
  UC1101131  Polygonum amphibium var. stipulaceum Malcolm A. Nobs and S. Galen Smith 1949-8-21 1506 Placer marsh between Sandy Beach and Agate Bay; Lake Tahoe Comment
  UCR231875  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2010-10-16 17020 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
  UC1136120  Polygonum bistortoides N. French 1934-6-22 444 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle (n end) Comment
  UC1136185  Polygonum davisiae N. French 1934-6-22 446 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle Comment
  UC6687  Polygonum davisiae C. F. Sonne 1886-7-18 Placer Truckee River; mt. on Comment
  UCD43216  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 585 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR177011  Polygonum douglasii George K. Helmkamp, E. A. Helmkamp 2005-9-30 9963 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  CAS-BOT-BC414542  Polygonum douglasii Peter Rubtzoff; Edward W. Colson 1976-7-6 8722 Placer Lake Van Norden 2063 Comment
  SEINET4338949  Polygonum douglasii B. Crampton 1955-7-13 3015 Placer Bear Valley, along State Hwy 20, 1.5 mile north of Emigrant Gap 1372 Comment
  JEPS103426  Polygonum douglasii subsp. douglasii Lowell Ahart 2002-7-22 9897 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC1101182  Polygonum hydropiper Malcolm A. Nobs and S. Galen Smith 1949-8-22 1539 Placer Roseville; stream at sw city limits Comment
  JEPS102568  Polygonum lapathifolium Lowell Ahart 2001-10-10 9364 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  CAS-BOT-BC418584  Polygonum minimum A. A. Heller 1919-7-25 13290 Placer Near the Yuba River below Cisco 1676 Comment
  UC726477  Polygonum minimum A. A. Heller 1919-7-24 13290 Placer near Cisco Comment
  UCR191105  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2007-6-12 12326 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCD42814  Polygonum polygaloides subsp. confertiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 180 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC74247  Polygonum polygaloides subsp. kelloggii Susi Urie 1998-9-4 98 -255 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on the north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC420038  Polygonum polygaloides subsp. kelloggii H. D. Ripley; R. C. Barneby 1948-7-13 9844 Placer Yuba River, 4 mi. E. of Cisco 1844 Comment
  CAS-BOT-BC420039  Polygonum polygaloides subsp. kelloggii W. R. Dudley 1900-6-28 s.n. Placer Near Tahoe City Comment
  UC1191259  Polygonum punctatum Malcolm A. Nobs 1948-9-25 688 Placer Hwy 49 about 9 mi n Auburn; Rock Creek Comment
  UC570254  Polygonum shastense N. French 1934-6-22 470 Placer 1/2 mi w Lake van Norden; Tahoe National Forest 2286 Comment
  UCR250652  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20372 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCR235593  Polypodium hesperium George K. Helmkamp, E. A. Helmkamp 2012-5-5 18924 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  SACT002106  Polypogon australis D. Meyer 1984-6-3 Placer 1.6 km north of Applegate, shady oak woodland, moist area 606.0 Comment
  UCD36667  Polypogon maritimus Beecher Crampton 1955-6-15 2901 Placer Placer County, 1.5 miles west of Iowa Hill. 914 Comment
  CAS-BOT-BC72114  Polystichum G. L. Stebbins 1969-7-19 6942 Placer Monumental Ridge, 3.6 miles east-southeast of Emigrant Gap 2042 Comment
  UCD162496  Polystichum imbricans subsp. imbricans G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12966 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 15 miles east of Foresthill. 832 Comment
  RSA3403  Populus balsamifera subsp. trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
Read comments
Aug 27 2010
  SBBG117235  Populus tremuloides B. Crampton 1961-9-27 6002 Placer US Hwy 40, 1 mi W of Cisco Grove, Yuba River Comment
  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
  RSA3005  Populus trichocarpa Carl B. Wolf 1931-9-10 2419 Placer Shore of Lake Tahoe. Just NW of Chambers Lodge. 1921 Comment
  UCD110729  Populus trichocarpa G. L. Stebbins Jr. 1942-9-1 3341 Placer Bank of Yuba River, on U.S. Highway 40, 1 1/2 miles west of Cisco. 1706 Comment
  UCD22303  Populus trichocarpa Rex Palmer 1979-5-27 N 55 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA805  Potamogeton diversifolius J. H. Wilson 1965-5-28 Placer Weed in pond on Haight property, 80 Morningstar Drive, Loomis. 0 Comment
  POM296430  Potamogeton gramineus Lyman Benson 1932-7-31 4013 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  CAS-BOT-BC452173  Potamogeton gramineus W. R. Dudley 1900-6-29 s.n. Placer By outlet of Lake Tahoe Comment
  CDA859  Potamogeton richardsonii R. Talbert 1959-8-14 2927 Placer Lake Tahoe. 0 Comment
  JEPS127452  Potentilla flabellifolia Steve Matson 2004-8-1 1091 Placer Tahoe Basin west shore; Blackwood Canyon; 1/2 mile SE of Barker Pass. Comment
  JEPS44441  Potentilla flabellifolia C. F. Sonne 1888-7-29 78 Placer head of Bear Creek on Truckee River Sierra Nevada Mountains, Truckee River, head of Bear Creek Comment
  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
  UCR233274  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp 2011-7-9 17675 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  POM275177  Potentilla glandulosa var. nevadensis Lyman D. Benson 1942-7-2 11246 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD22272  Potentilla gracilis Rex Palmer 1979-7-9 N 435 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM275123  Potentilla gracilis var. elmeri Lyman D. Benson 1942-7-2 11254 a Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CHSC9529  Potentilla gracilis var. fastigiata J. F. Goodwin 1971-7-11 171 Placer 200 ft. south of Hwy. 267 in meadow, 4.0 mi. se of Truckee. 1950 Comment
  JEPS127443  Potentilla gracilis var. fastigiata Steve Matson 1998-6-27 305 Placer Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, junction of East Martins Creek and Martis Creek. 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
  UCD139787  Prosartes hookeri Eric Brenner; John Hunter 1996-5-26 12 Placer Big Trees, Mosquito Ridge Rd, Tahoe National Forest. 1740 Comment
  CAS-BOT-BC163058  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer Near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC163059  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer Near the Yuba River below Cisco 1676 Comment
  CHSC79356  Prunus emarginata Beecher Crampton 1975-9-9 9270 Placer Tahoe National Forest, 1.2 miles N. E. of Blue Canyon post office. 1524 Comment
  LA209079  Prunus emarginata A. A. Heller; 1917-8-15 12940 Placer Lincoln Hwy near Yuba Pass, near the upper limit of the Yellow pine belt 1828 Comment
  SEINET2442022  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15433 Placer Sierra Nevada Mountains: Forest Hill Road, 0.8 mile west of Robinson Flat, c.27 miles NE of the city of Foresthill (Duncan Peak 7.5' Q).; 0 2033 Comment
  UCD34019  Prunus emarginata Beecher Crampton 1975-9-9 9270 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  UCD38504  Prunus emarginata Beecher Crampton 1955-7-13 3007 Placer Blue canyon. 1432 Comment
  UCR120252  Prunus emarginata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5041 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC1128496  Prunus subcordata J. E. Sowder, R. W. Lundh 1933-4-10 25 Placer North East Colfax Hill 853 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
  SD260907  Pseudognaphalium beneolens George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19805 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill (Duncan Peak 7.5'Q) 1677 Comment
  UCD124131  Pseudognaphalium beneolens Ellen Dean; Marcel Rejmanek 2012-10-9 7505 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
  UCR241357  Pseudognaphalium canescens subsp. beneolens George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19818 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  CHSC81756  Pseudognaphalium luteoalbum Lowell Ahart 2001-10-10 9339 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  JEPS102629  Pseudognaphalium luteoalbum Lowell Ahart 2001-10-10 9339 Placer 22 air mi SW of Forest Hill (French Meadows Reservoir, 1/4 mi NE of boat or trail access area on NW side, 3/4 mi SW of bridge on Middle Fork American River) 1591 Comment
  UC1118465  Pseudognaphalium thermale G. F. Burks 1934-9-14 44 Placer Truckee River Tahoe National Forest, Truckee Quad., Truckee River 1828 Comment
  CAS-BOT-BC174808  Pseudostellaria sierrae Marcus E. Jones 1882-6-28 3287 Placer Emigrant Gap Comment
  UCD135118  Pseudotsuga menziesii var. menziesii G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11213 Placer Northern Sierra Nevada Mtns foothills; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  SEINET5334811  Pseudotsuga menziesii var. menziesii 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., plot located on the right,past parking area,down path about 60 meters. 1676 Comment
  CHSC82569  Psilocarphus tenellus var. tenellus Lowell Ahart 2002-7-22 9879 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UC147622  Pterospora andromedea Miss Harriet A. Walker 1908-6-24 1275 Placer Blue Canyon 1432 Comment
  UCD83592  Pterospora andromedea Albert Grigarick 2009-8-7 161 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2021 Comment
  POM82025  Pteryxia terebinthina Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UCD33391  Puccinellia distans Beecher Crampton 1967-7-26 8155 Placer Near Nevada County line in Kingvale on Interstate 80. 1950 Comment
  UCD15410  Purshia tridentata Lorraine Prunier 1982-5-22 21 Placer At Yuba Pass on Highway 49. 2286 Comment
  JEPS129002  Purshia tridentata var. tridentata Steve Matson 1998-6-14 255 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, east of Martis Creek. Comment
  SEINET7246500  Pyrola asarifolia T. W. Richardson 2002-8-8 s.n. Placer [Sierra Nevada] Tahoe City, Lake Forest, Robert Pomin Park 1902 Comment
  JEPS126342  Pyrola picta Steve Matson 1998-7-28 350 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; above West Fork of Snow Creek. Comment
  UC412729  Pyrola picta J. A. DeCow 1900-8-3 423 Placer Tahoe, McKinneys Tahoe; , McKinneys Comment
  CAS-BOT-BC466090  Pyrola picta Margaret Williams 1974-8-8 74 -P1-21 Placer Sierra Nevada. Murphy's Meadow, 5 miles SE of Hirschdale 2316 Comment
  SACT002681  Quercus Josephine Van Ess 1979-6-26 Placer Collected down river horse trail from Auburn dam site down to river. Collected about where trail begins to head down from top of river bluffs. Among other oaks, some open grassy areas. Comment
  UC119169  Quercus X morehus A. Eastwood 1894-9-9 Placer Newcastle 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
  UCSC009131  Quercus X morehus Al Keuter 2015-3-31 10- 33 -1 Placer North Fork American River/SR193 221 Comment
  SACT002620  Quercus chrysolepis Michael Baad 1977-4-13 Placer 0.2 mile north of I80 Highway on Placer Hills Road to Meadow Vista, ecotone between pine forest and chaparral. 502.92 Comment
  SACT002623  Quercus chrysolepis J. Severaid 1959-8-14 Placer Old Foresthill Road Comment
  UCD22469  Quercus chrysolepis Beth Lowe Corbin 1982-8-11 318 Placer 1 2/3 miles SW of Onion Creek campground. 1905 Comment
  CAS-BOT-BC62721  Quercus chrysolepis Marian L. Campbell 1921-7-26 s.n. Placer Grelaud's Place, Sacramento River Comment
  CDA20383  Quercus chrysolepis var. chrysolepis P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  CAS-BOT-BC86611  Quercus douglasii Gordon H. True 1971-4-21 6530 Placer Auburn Ravine just W of Lincoln 49 Comment
  CDA20381  Quercus douglasii P. Akers 2002-4-14 s.n. Placer Northern California; E end of Clarke Tunnel Rd, N of Penryn. 0 Comment
  CAS-BOT-BC79594  Quercus durata G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; Juan Hector Hunziker; H. Stutz; Daniel Zohary 1952-7-20 5130 Placer 9 miles NE of Forest Hill on road to Iowa Hill 1127 Comment
  SACT002637  Quercus durata Michael Baad 1977-6-21 Placer 2 miles nouth of junction of road to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  SEINET10431573  Quercus kelloggii P. L. Comanor, B. Clark, B. O'Malia 1969-5-15 s.n. Placer Ca 3 miles W of Colfax, 1.85 moles from end of railroad bridge on CA Hwy 194, up a dirt road located 0.5 mile past Bear Creek bridge, additional 0.4 mile. Comment
  SEINET12030462  Quercus kelloggii Unknown 1936-1 s.n. Placer Chicken Hawk Camp Comment
  CAS-BOT-BC62886  Quercus lobata A. Eastwood 1894-9-9 s.n. Placer Newcastle Comment
  CAS-BOT-BC104584  Quercus vacciniifolia John H. Thomas; Hazelle A. Thomas 1956-7-21 6148 Placer Vicinity of Donner Pass, about 80 miles NE of Sacramento 2377 Comment
  CHSC20422  Quercus vacciniifolia L. M. Mayer; D. E. Brink 1974-8-15 Placer Kidd Lake. Comment
  OBI14213  Quercus vacciniifolia Robert F. Hoover 1967-9-5 10822 Placer Carnelian Bay, Lake Tahoe Comment
  SD6105  Quercus vacciniifolia Unknown 1914-6-1 Placer Cisco Comment
Read comments
Jul 11 2010
  SEINET2470936  Quercus vacciniifolia K. Christie 2010-6-30 1877 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
  SEINET10437506  Quercus vacciniifolia T. C. Frantz 1951-5-22 s.n. Placer N end of Lake Tahoe, next to NV state line. Comment
  CAS-BOT-BC104991  Quercus wislizeni Miss. A. Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  UCSC009278  Quercus wislizeni var. wislizeni Al Keuter 2015-3-31 10- 05 -1 Placer North Fork American River/SR193 202 Comment
  SEINET5501119 Image available Raillardella argentea Sally Walker 1982-8-4 Placer Above ski area, Tahoe. Comment
  UCD22191  Ranunculus alismifolius Rex Palmer 1979-6-20 N 346 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22193  Ranunculus alismifolius Rex Palmer 1979-6-2 N 367 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC379468  Ranunculus alismifolius Peter Rubtzoff; Edward W. Colson 1976-7-7 8730 Placer Lake Van Norden, moist meadow on east side of lake 2063 Comment
  CAS-BOT-BC379469  Ranunculus alismifolius Peter Rubtzoff; Edward W. Colson 1976-7-7 8730 -A Placer Lake Van Norden, moist meadow on east side of lake 2063 Comment
  CAS-BOT-BC379378  Ranunculus alismifolius var. hartwegii Ellsworth Bethel 1920-6-1 s.n. Placer Truckee Comment
  CAS-BOT-BC379380  Ranunculus alismifolius var. hartwegii L. S. Smith 1926-4-24 1786 Placer Tahoe Forest, Truckee R.S. 1829 Comment
  CAS-BOT-BC379440  Ranunculus alismifolius var. hartwegii Lillian S. Mott 1968-4-28 1968 Placer Bear Valley Comment
  UCD162516  Ranunculus aquatilis var. diffusus Steve Matson 2007-8-20 1704 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, in Martis Creek near Martis reservoir. 1780 Comment
  CDA24300  Ranunculus aquatilis var. hispidulus H. R. Danielson 1962-4-28 Placer Highway 99E to Lincoln, ca. 5 miles north of Roseville. 0 Comment
  CHSC96497  Ranunculus bonariensis var. trisepalus Lowell Ahart; Brian Williams 2007-4-13 13651 Placer On damp granite soil, on the bottom of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SD241161  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mile west of Industrial Ave. (Roseville 7.5'Q) 41 Comment
  POM269612  Ranunculus flammula var. ovalis Lyman Benson 1932-7-31 4019 Placer Tahoe Tavern, Sierra Nevada Mt., Lake Tahoe 1890 Comment
  UCR234220  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17159 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  SDSU10115  Ranunculus muricatus D. F. Howe 1948-5-21 1909 Placer 457 Comment
  CHSC81547  Ranunculus occidentalis D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  UC827913  Ranunculus occidentalis C. L. Hitchcock 1940-5-7 6312 Placer ca 1 mi w Baxter Comment
  UC838052  Ranunculus occidentalis A. A. Heller 1917-6-19 12737 Placer Emigrant Gap 1615 Comment
  UCR207887  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2009-4-22 14569 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCR222543  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2010-4-17 15888 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill 360 Comment
  SEINET5338829  Ranunculus occidentalis var. eisenii M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks of the American river, 4 miles from Auburn. 274 Comment
  UCR64453  Ranunculus orthorhynchus Lyman Benson 1948-7-17 12924 Placer Sierra Nevada Mtns., Cisco Grove S Fork of Yuba River. Sacramento River 1799 Comment
  CDA13665  Ranunculus orthorhynchus var. orthorhynchus G. F. Hrusa, J. Glazner 1997-8-3 14025 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Colony with numerous individuals in central, wettest part of meadow. Comment
  UCD44729  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2095 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD42849  Ranunculus populago C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 215 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA3829  Raphanus sativus T. C. Fuller 1959-5-2 s.n. Placer Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  UC18537  Rhamnus ilicifolia Bolander 1865-4-13 4565 -1 Placer Newcastle Comment
  RSA7756  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1928-8-22 3433 Placer 1 mile W of Emigrant Gap. 1637 Comment
  CDA20996  Rhamnus tomentella subsp. tomentella G. F. Hrusa 1993-11-3 11466 Placer Sierra Nevada; Mosquito Ridge Rd. approx. 12 miles E of Foresthill. 1066 Comment
  CAS-BOT-BC58200  Rhododendron columbianum L. S. Smith 1925-8-14 1706 Placer Robertson Flat pasture. Tahoe forest. 1981 Comment
  UCD117838  Rhododendron columbianum Murray Fowler 1961-8-8 s.n. Placer Robertson Flat, ca. 19 miles west of Tahoe City. 1828 Comment
  CAS-BOT-BC56651  Rhododendron occidentale Saichi Kawahara 1969-7-6 1455 Placer Meadow, Mel Henderson Ranch, east bank of Indian Creek 975 Comment
  UCD43893  Ribes inerme var. inerme C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1259 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC173311  Ribes lasianthum Alice Eastwood 1912-6-15 399 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC219203  Ribes nevadense Alice Eastwood 1912-6-15 393 Placer Deer Park, Lake Tahoe Region Comment
  RSA0023969  Ribes nevadense Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC566286  Ribes roezlii B. Bolt 1934-7-17 141 Placer 1/2 mi s Lost Emigrant Mine; Truckee Quadrangle 2072 Comment
  UCD22339  Ribes roezlii Beth Lowe Corbin 1982-8-2 151 Placer Onion Creek campground. In fine, sandy, granitic soil. Spiney shrub about 1.5' high with dark grey bark. Berries picked green. Partial sun. South facing slope. Uncommon. 1841 Comment
  SEINET12216785  Ribes roezlii J. H. Nishida 1985-1 777 Placer Homewood 1829 Comment
  CAS-BOT-BC186202  Ribes roezlii var. roezlii Alice Eastwood 1906-7-24 951 Placer Camp Agassiz, Glen Alpine Region. Near Fallen Leaf Lake (Tahoe area) Comment
  CAS-BOT-BC186213  Ribes roezlii var. roezlii Bethel; Posey 1920-6-6 s.n. Placer Truckee Comment
  CAS-BOT-BC362920  Rigiopappus leptocladus M. E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
  JEPS59381  Rorippa Ezra Brainerd and Viola B. Baird 1915-7-22 129 Placer along r.r. near Bear Rock (Truckee Valley); Sierra Nevada Mts., Truckee Valley 1889 Comment
  UCR233393  Rorippa curvipes var. truncata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18167 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  CDA15948  Rorippa curvisiliqua G. F. Hrusa, J. Glazner 1999-7-17 15159 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS126366  Rorippa curvisiliqua Steve Matson 1998-6-27 309 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south south east of junction of Highway 267 and Martis Creek. Comment
  JEPS126396  Rorippa curvisiliqua Steve Matson 2002-5-26 521 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  CHSC82580  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-7-22 9882 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  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
  JEPS47280  Rosa bridgesii C. F. Sonne May 1891 4172 Placer along railroad below Auburn 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
  UCR231870  Rosa californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 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-BC146869  Rosa rubiginosa Saichi Kawahara 1969-5-24 841 Placer North side of bend on Colfax-Iowa Hill Road, 1 mile west of Iowa Hill 865 Comment
  RSA2854  Rosa woodsii Carl B. Wolf 1931-9-10 2421 Placer Moist hollow near R.R between Tahoe Tavern and head of Truckee River. 1921 Comment
  SCFS11529142  Rosa woodsii var. ultramontana E. Krimmel, F. Felix 2012-9-13 Placer Cedar Creek, in woods below Cedar's meadow. Comment
  SEINET7703904  Rosa woodsii var. ultramontana P. A. Lehenbauer 1931-8-30 1704 Placer Lake Tahoe, near Carnelian Bay. Comment
  CAS-BOT-BC147109  Rubus glaucifolius Marcus E. Jones 1882-6-28 3309 Placer Emigrant Gap Comment
  UC861652  Rubus glaucifolius Marcus E. Jones, A. M. 1882-6-28 3309 Placer Emigrant Gap Comment
  CAS-BOT-BC147966  Rubus parviflorus Robert M. Rhode; Barbara Nemeth 1997-6-26 176 Placer Blackwood Creek Canyon, c. 4 miles south of Tahoe City, near Blackwood Creek Canyon road, about 0.3 mile west of turnoff from Highway 89 - Lake Tahoe 1981 Comment
  CAS-BOT-BC147967  Rubus parviflorus Alice Eastwood 1909-1-1 195 Placer Sunnyside Comment
  UC481486  Rubus parviflorus G. W. Fetters 1929-7-10 Placer near Pomin's; Lake Tahoe, near Pomin's Comment
  CAS-BOT-BC363204  Rudbeckia occidentalis Brandegee No date on label s.n. Placer Blue Canon [Canyon] Comment
  CAS-BOT-BC363205  Rudbeckia occidentalis Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  JEPS73003  Rumex acetosella Gladys L. Smith 1972-7-18 3133 Placer Alpine Meadows 2072 Comment
  UCD44670  Rumex acetosella C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2036 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR250628  Rumex acetosella George K. Helmkamp, Mary Alice Barnes 2013-5-3 20465 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  CAS-BOT-BC422032  Rumex acetosella John Thomas Howell; Gordon H. True 1972-3-17 7084 Placer Northern outskirts of Lincoln 48 Comment
  UCD44001  Rumex paucifolius C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1367 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC433759  Rumex pulcher W. A. Weber; Lewis S. Rose 1953-5-19 8389 Placer 5 mi. n. of Roseville on road to Lincoln 45 Comment
  CAS-BOT-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-BC103563  Salix eastwoodiae W. R. Dudley 1900-6-14 5071 Placer Woods between Donner Lake and Summit Comment
  CAS-BOT-BC103608  Salix eastwoodiae W. R. Dudley 1900-6-15 5124 Placer on flat northeast of Lake Mary Comment
  CAS-BOT-BC103609  Salix eastwoodiae W. R. Dudley 1900-6-15 5123 Placer on flat north east of Lake Mary Comment
  CAS-BOT-BC103616  Salix eastwoodiae W. R. Dudley 1900-6-14 5047 Placer Below the upper dam at Donner Lake Comment
  CAS-BOT-BC103617  Salix eastwoodiae W. R. Dudley 1900-6-14 5112 Placer Valley northwest of Lake Mary, near Summit Comment
  CHSC74263  Salix eastwoodiae Susi Urie; Eric Schroder 1998-9-11 98 -333 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  JEPS127552  Salix exigua Steve Matson 2000-6-24 453 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 400 m north of Hwy 267, 500 m west of Martis Creek, next to concrete slabs. Comment
  UC846678  Salix exigua Marcus E. Jones, A. M. 1882-6-28 3486 Placer Emigrant Gap Comment
  CAS-BOT-BC103988  Salix geyeriana W. R. Dudley 1900-6-1 5352 Placer head of Independence Lake Comment
  CAS-BOT-BC103989  Salix geyeriana W. R. Dudley 1900-6-1 5287 Placer Vicinity of Independence Lake Comment
  JEPS127554  Salix geyeriana Steve Matson 1998-9-1 395 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; middle fork Snow Creek; north end of main pond meadow Comment
  UC1786426  Salix geyeriana Edward L. Smith 1965-6-11 680 Placer Carnelian Bay, n shore of Lake Tahoe. 1903 Comment
  UCD43825  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1191 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44559  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1925 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA16980  Salix laevigata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16033 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCD80749  Salix laevigata CNPS SN Foothill Team 2005-4-13 SNFN 0107 d Placer Placer Legacy, located on 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
  UCD124130  Salix lasiolepis Ellen Dean; Marcel Rejmanek 2012-10-9 7504 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
  CAS-BOT-BC124770  Salix lemmonii W. R. Dudley 1900-6-14 5109 Placer Valley northwest of Lake Mary, near Summit Comment
  CHSC13660  Salix lemmonii E. L. Smith 1971-4-17 982 Placer At Yuba Gap ca. 7 km e of Emigrant Gap. 1770 Comment
  LA210196  Salix lemmonii A. A. Heller; 1917-6-17 12688 Placer Sierra Nevada, Yuba River below Cisco 1676 Comment
  UCD22316  Salix lemmonii Rex Palmer 1979-5-26 N 2 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  CHSC9586  Salix lucida subsp. caudata E. L. Smith 1971-4-16 960 Placer At Tahoe Vista, e of city limits near King's Beach. 580 Comment
  SEINET2470971  Salix lucida subsp. lasiandra K. Christie 2010-7-22 1912 Placer Lake Tahoe Basin Management Unit (USFS); ca. 1.0 mi. southeast of Martis Peak. 2392 Comment
  CAS-BOT-BC129518  Salix melanopsis F. A. M. 1934-7-28 12864 Placer Stream, 15 miles from Auburn on Placerville Road Comment
  JEPS86498  Salix orestera L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6579 Placer ca. 5 mi se Donner Lake (near Frog Lake, in cirque below 7889 ft rise, ca. 1.5 mi se of Chickering houses at Soda Spring (old resort)); , Frog Lake, Sherman Chickering's Soda Springs ho 2286 Comment
  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-BC129086  Salix scouleriana Gordon H. True 1968-4-17 4168 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Rd. 1554 Comment
  CAS-BOT-BC129087  Salix scouleriana Gordon H. True 1968-7-10 4366 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Rd. 1554 Comment
  CAS-BOT-BC129123  Salix scouleriana W. R. Dudley 1900-6-1 5530 Placer Lake shore above McKinney's Creek Comment
  UC1135077  Salix scouleriana B. Bolt 1934-8-15 181 Placer 3/4 mi. w. Goggins; El Dorado Nat'l Forest, Colfax Quad. Comment
  UCR171026  Salix scouleriana George K. Helmkamp, E. A. Helmkamp 2006-2-9 10060 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  UCR229555  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2011-7-26 17902 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  UCR240962  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2012-9-25 19913 Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  CAS-BOT-BC238835  Sambucus nigra subsp. caerulea Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  CAS-BOT-BC235065  Sambucus racemosa var. melanocarpa W. R. Dudley 1900-6-14 s.n. Placer Shores of Donner Lake Comment
  CDA16054  Sambucus racemosa var. microbotrys G. F. Hrusa, J. Glazner 2000-9-3 15659 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  JEPS72388  Sambucus racemosa var. microbotrys Gladys L. Smith 1972-6-20 3273 Placer along road just above Ward Summit Chairlift 2164 Comment
  JEPS13384  Sambucus racemosa var. microbotrys C. F. Sonne 1886-7-5 127 Placer <at Lakes near summit> Sierra Nevada Mts. 2194 Comment
  CAS-BOT-BC235195  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  UCR260069  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22416 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  SD243200  Sanguisorba officinalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16640 Placer Northern Sierra Nevada Mountains: Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road. 1566 Comment
  UCR232633  Sanguisorba officinalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16640 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  CDA12010  Sanicula bipinnatifida G. F. Hrusa 1995-5-2 12191 Placer Sierra Nevada; approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  UC420483  Sanicula bipinnatifida C. F. Sonne 1891-5-17 1465 Placer Colfax Comment
  UCD80017  Sanicula bipinnatifida CNPS SN Foothill Team 2005-4-26 SNFN 0183 a Placer CDPR Auburn State Recreation Area. The stand is located at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  UCD15164  Sanicula crassicaulis Phyllis Adams 1982-5-30 56 Placer California, Placer Co.; in the American River Canyon; Comment
  UCD15165  Sanicula crassicaulis Phyllis Adams 1982-4-20 6 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 457 Comment
  UCR177015  Sanicula crassicaulis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10455 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
  SEINET11160257  Sanicula laciniata E. W. Mason 1976-3-13 s.n. Placer Along North Fork American River, E of Auburn. 305 Comment
  CHSC82521  Sanicula tuberosa Lowell Ahart 2002-7-22 9876 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UC1562644  Sanicula tuberosa Barbara Ertter with David Thompson 1989-4-9 8177 Placer 5 air mi nw of Foresthill (Shirttail Canyon Road 2.4 mi from Dipper Road); Shirttail Canyon Road 609 Comment
  UC171012  Sanicula tuberosa C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UCR240919  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19246 Placer Northern Sierra Nevada Mountains, Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road 2040 Comment
  SEINET11160310  Sanicula tuberosa L. L. Killinger 1962-3-17 s.n. Placer North Fork American River, 3 miles E of Auburn. 396 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
  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
  RSA589902  Sarcodes sanguinea J. A. Ballenger 1989-5-26 304 Placer Sugar Pine Point State Park, west side of Lake Tahoe. 1951 Comment
  RSA20899  Saxifraga californica Carl B. Wolf 1937-3-30 8362 Placer Sacramento Valley. 2 miles N of Lincoln. 53 Comment
  UC858860  Saxifraga californica C. L. Hitchcock 1940-5-7 6345 Placer 1 mi w of Baxter Comment
  POM92826  Saxifraga californica Marcus E. Jones 1882-7-1 3587 Placer Emigrant Gap. Comment
  SEINET3161168  Saxifraga integrifolia W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  CAS-BOT-BC418383  Saxifragaceae Saichi Kawahara 1969-7-6 1459 Placer Meadow, Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  JEPS127401  Scandix pecten-veneris Steve Matson 2006-4-23 1606 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  SEINET10329618  Schoenoplectus acutus R. D. Olson 1949-5-14 17 Placer Highway 40, Roseville City limit, west side 61 Comment
  UCD44575  Scirpus congdonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1941 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA122656A  Scirpus microcarpus H. S. Yates 1936-8-9 6000 Placer Near Brockway 1921 Comment
  UC1563887  Scleranthus annuus subsp. annuus Barbara Ertter with David Thompson 1989-4-8 8162 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  CAS-BOT-BC243506  Scribneria bolanderi G. L. Stebbins 1978-5-28 7896 Placer East end of Ralston Ridge 1554 Comment
  CAS-BOT-BC243507  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 miles north of Lincoln Comment
  UC1153948  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 mi n of Lincoln Comment
  UC767432  Scrophularia californica R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln Comment
  SCFS1144  Scutellaria californica E. Krimmel, F. Felix 2014-6-26 Placer NFam. In dry streambed at NW fork of first creek on trail down (Onion Creek). Comment
  JEPS82065  Scutellaria californica Gladys L. Smith 1978-7-30 4828 Placer along Squaw Creek at end of dormitory complex as the trail begins to ascend sharply Squaw Creek 1905 Comment
  UC148967  Scutellaria californica H. M. Hall 1910-6-25 8720 Placer Rattlesnake Creek; Sierra Nevada Mountains, Rattlesnake Creek 1767 Comment
  UC25807  Scutellaria californica Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD75750  Sedum obtusatum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5217 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  RSA0074845  Sedum obtusatum Lyman Benson 1933-6-26 4537 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  UCD41292  Sedum spathulifolium Ellen Dean; Art Shapiro, Andrienne Shapiro 2003-5-12 1704 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
  SD62150  Sedum spathulifolium Darley F. Howe 1965-5-21 Placer Canyon on south side of north fork of American River near Forest Hill. 455 Comment
  SD43765  Senecio aronicoides Darley F. Howe 1948-5-23 1922 Placer American River 305 Comment
  CAS-BOT-BC363695  Senecio hydrophilus Alice Eastwood No date on label 297 Placer Squaw Valley, Tahoe region Comment
  CAS-BOT-BC363912  Senecio integerrimus var. exaltatus M. Alice King 1923-6-1 s.n. Placer Summit Comment
  UC148927  Senecio integerrimus var. major H. M. Hall 1910-7-1 8729 Placer Cisco Sierra Nevada Mountains 1828 Comment
  CAS-BOT-BC249054  Senecio triangularis George K. Helmkamp; E. A. Helmkamp 2010-8-14 16795 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  CAS-BOT-BC364382  Senecio triangularis unspecified 1906-7-15 6999 Placer Tahoe Tavern, Lake Tahoe Comment
  SEINET3154401  Sequoiadendron giganteum W. A. Dick, Gaby 1967-11-15 sn Placer on West slope of Sierra Nevada from Placer to Tulare 2438 Comment
  UCD22388  Sericocarpus oregonensis subsp. californicus Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1300 Placer Sierra Nevada. Gold Run rest area along Hwy 80 just before exit for Dutch Flat. 762 Comment
  UCD34028  Sericocarpus oregonensis subsp. californicus Beecher Crampton 1975-9-9 9280 Placer Gold Run rest area on Hwy. 80. 914 Comment
  UCD83590  Sericocarpus oregonensis subsp. californicus Albert Grigarick 2009-8-7 159 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1959 Comment
  CAS-BOT-BC243535  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Southeast corner Newcastle Road and Brenner Road, Newcastle Comment
  SACT002089  Setaria glauca D. Meyer 1984-7-9 Placer Pear and plum orchard. 206.0 Comment
  CAS-BOT-BC243549  Setaria parviflora David D. Keck 1932-7-1 1596 Placer 2 miles N. of Auburn on Nevada City Road 426 Comment
  UCR259867  Setaria parviflora George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22470 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  UCD92709  Setaria pumila Beecher Crampton 1965-9-13 7494 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  CAS-BOT-BC240201  Setaria viridis G. D. Barbe 1974-11-26 1985 Placer Fence line along Barton Road at Eureka Road, northwest corner, east of Roseville Comment
  UC1261251  Setaria viridis G. D. Barbe 1974-11-26 1985 Placer e. Roseville (fence line along Barton Rd. at Eureka Rd., n.w. corner) Comment
  JEPS44601  Sibbaldia procumbens C. F. Sonne 1887-8-16 80 Placer mt slope above Coldstream; Sierra Nevada Mountains 2438 Comment
  UC112805  Sidalcea glaucescens Katharine Brandegee 1908-7-1 Placer Donner, Summit Station Donner; , Summit Station Comment
  UCD33727  Sidalcea glaucescens Beecher Crampton 1972-7-26 8833 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  HSC16036  Sidalcea glaucescens R. G. Means 1962-6-28 49 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  JEPS67226  Sidalcea glaucescens L. S. Smith 1925-6-27 1658 Placer Ward Creek runs into Lake Tahoe 2 mi s of head Truckee River; Tahoe Nat'l Forest, Ward Creek 1920 Comment
  UC614866  Sidalcea glaucescens Beryl O. Schreiber 1933-9-11 762 Placer road to Summit; road to Summit Comment
  RSA21277  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  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
  UCR120242  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5032 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR170806  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2005-9-30 9950 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR250174  Sidalcea malviflora subsp. asprella George K. Helmkamp, Mary Alice Barnes 2013-5-3 20463 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  CHSC74234  Sidalcea oregana subsp. spicata Susi Urie; Eric Schroder 1998-9-8 98 -292 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  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
  CAS-BOT-BC386981  Silene douglasii C. F. Sonne 1885-7-12 194 Placer Sierra Mountains Comment
  POM101045  Silene douglasii var. douglasii H. M. Hall 1910-7-4 8742 Placer Near Cisco. 1890 Comment
  UCD32813  Silene douglasii var. douglasii Beecher Crampton 1964-7-21 7123 Placer Placer County, one mile east of Cisco Grove, old US Hwy. 40. 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
  SD247390  Silene invisa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19230 Placer Northern Sierra Nevada Mountains: Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road. 1671 Comment
  CAS-BOT-BC249049  Silene laciniata subsp. californica George K. Helmkamp; E. A. Helmkamp 2010-8-11 16765 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  UCD98728  Silene lemmonii Eric Brenner; John Hunter 1996-5-26 022 Placer Tahoe National Forest Mosquito Ridge Road. 1080 Comment
  UCR222539  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2010-4-23 15912 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  UC845024  Sisyrinchium bellum C. L. Hitchcock 1940-5-7 6340 Placer 1 mi w of Baxter Comment
  CDA19548  Sisyrinchium elmeri M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 237 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  RSA782053  Sisyrinchium elmeri Lisa Karst 2002-1 CA 02 -2 Placer Alpine Village, Tahoe River. [county not specified] Comment
Read comments
Jan 7 2016
  SACT002231  Sitanion hystrix D. Meyer 1984-7-8 Placer Roadside 1758.0 Comment
  SACT002232  Sitanion hystrix D. Meyer 1984-6-17 Placer Southeast of Weimar 545.0 Comment
  SACT002258  Sitanion jubatum Michael Baad 1977-6-8 Placer 1.3 miles southwest of Volcano Canyon on road between Forest Hill and French Meadows, roadside in serpentine. Comment
  UC147619  Smilacina racemosa Harriet A. Walker 1908-6-23 1226 Placer Blue Canyon 1432 Comment
  UC615348  Smilacina racemosa Beryl O. Schreiber 1933-7-21 900 Placer creek bank near Mount Ellis Trail above Homewood; Lake Tahoe Comment
  UC844609  Smilacina racemosa A. A. Heller 1917-6-17 12706 Placer below Cisco (near river); Yuba River 1676 Comment
  UCD126842  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer between sidewalk and street, 221 Elm Street, Roseville. Comment
  UC1125012  Solanum umbelliferum N. French 1934-5-24 368 Placer N. fork, North Fork American River, Tahoe National Forest North Fork American River; Tahoe National Forest, North Fork American River 1341 Comment
  UC1125021  Solanum umbelliferum N. French 1933-5-16 55 Placer 3 mi se of Weimer 609 Comment
  SCFS1160  Solidago E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Cedar's Meadow. Comment
  UCR241764  Solidago altissima subsp. altissima George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19803 Placer Northern Sierra Nevada Mountains, along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  UCR171341  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2005-10-1 9971 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-BC365503  Solidago elongata Alice Eastwood 1909-1-1 192 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC365112  Solidago velutina subsp. californica R. F. Hoover 1967-9-5 10836 Placer Carnelian Bay, Lake Tahoe Comment
  UCR194708  Sorghum halepense George K. Helmkamp, E. A. Helmkamp 2007-10-28 13107 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  UCR258183  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20038 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  UC1099927  Sparganium natans Malcolm A. Nobs and S. Galen Smith 1949-8-21 1509 Placer n end Lake Tahoe (marsh between beach and Agate Bay) Comment
  CAS-BOT-BC389928  Spergula arvensis John Thomas Howell; Gordon H. True 1971-5-26 47644 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC390110  Spergularia bocconi John Thomas Howell; Gordon H. True 1971-5-26 47645 Placer Northern limits of Lincoln 48 Comment
  SEINET3157626  Spiraea betulifolia G. B. Grant 1906-1 1239 Placer Lake Tahoe, Sierra Nevada Mts. 2438 Comment
  CAS-BOT-BC152533  Spiraea splendens F. Almeda 1993-7-24 7258 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley - Sierra Nevada 2133 Comment
  UCSC000163  Spiranthes romanzoffiana C. F. Sonne 1883-1 Placer Comment
  UCD93129  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  JEPS126281  Stachys ajugoides Steve Matson 2003-6-29 816 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 yards north of Highway 267 and along Martis Creek. Comment
  UC614788  Stachys ajugoides var. rigida Beryl O. Schreiber 1934-7-4 1182 Placer 6 mi e Lookout Comment
  SEINET9339966  Stachys rigida var. rigida Unknown 2010-8-11 16759 Placer Northern Sierra Nevada Mountains Comment
  UCD150466  Stellaria crispa James A. Neilson Jr. 1970-8-26 1825 Placer Tahoe Basin, Ward Creek. 2011 Comment
  CHSC74082  Stellaria longipes var. longipes Susi Urie 1998-8-13 98 -031 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
  UCD99389  Stellaria media J. J. Geibel 1965-5-1 30 Placer on Forest Hill Road, 8 miles west of Forest Hill. 670 Comment
  SEINET5337366  Stellaria media M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks of American River. 274 Comment
  JEPS14564  Stenotus acaulis Chas J. Kraebel 1955-8-3 Placer Squaw Valley 2133 Comment
  UC202225  Stephanomeria lactucina Heller 12893 Placer Summit Station 2121 Comment
  CAS-BOT-BC375612  Stephanomeria lactucina unspecified No date on label 12893 Placer Summit Station 2121 Comment
  POM292647  Stephanomeria lactucina Lyman Benson 1932-7-31 4027 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  SACT002316  Stipa californica Michael Baad 1983-8-11 Placer Collected on trail from Alpine Meadowws to Five Lakes Basin. 1.5 miles west toward Whiskey Creek 2072.0 Comment
  SACT002328  Stipa californica D. Meyer 1984-8-26 Placer Collected at summit 1660.0 Comment
  SACT002363  Stipa lemmonii Michael Baad 1983-6-16 Placer 3.4 miles northeast of junction with Chipmunk Ridge Road on road along South shore of French Meadows Reservoir. Open rocky slope 1879.0 Comment
  UCR146661  Stipa lemmonii Beecher Crampton 1955-6-15 2910 Placer Sierra Nevada Mountains, 0.75 mile south of Yankee Jims 880 Comment
  RSA584109  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest 1139 Comment
  CAS-BOT-BC87766  Streptanthus tortuosus Betty J. jorgensen 1944-7-2 513 Placer Along summit near Donner Pass. Comment
  CAS-BOT-BC87770  Streptanthus tortuosus J. F. Emmel 1969-7-18 189 Placer Ridge between Mount Judah and Sugar Bowl near Donner Pass. 2225 Comment
  CDA12396  Streptanthus tortuosus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8524 a Placer Lake Tahoe; Upper Ward Valley, 4 miles SW of Tahoe City. Comment
  RSA35115  Streptanthus tortuosus L. S. Rose 1944-7-13 44101 Placer Chambers Lake, Lake Tahoe. 1921 Comment
  UCD164328  Streptanthus tortuosus N. Ivalu Cacho; Sharon Y. Strauss, Patrick J. McIntyre 2011-6-25 IC-SS 235 - Placer Casa Loma Rd (Alta Exit): on serpentine outcrop along railroad tracks. 1164 Comment
  UCD75726  Streptanthus tortuosus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5164 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  SEINET4891941  Streptanthus tortuosus P. B. Kennedy, S. B. Doten 1901-8-15 291 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  UC112906  Streptanthus tortuosus var. orbiculatus Katharine Brandegee 1908-7-17 Placer near Blue Canyon Comment
  UC567163  Streptanthus tortuosus var. orbiculatus N. French 1934-6-6 401 Placer 1 1/4 mi nw Devil's Peak; Truckee Quadrangle 2072 Comment
  UCR208267  Styrax officinalis var. redivivus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14648 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  UCD69170  Symphoricarpos albus var. laevigatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon.Tahoe National Forest. 1550 Comment
  CAS-BOT-BC237004  Symphoricarpos mollis John Thomas Howell 1943-7-25 18812 Placer West side of Donner Pass near Norden 2133 Comment
  UC147557  Symphoricarpos mollis var. acutus Harriet A. Walker 1908-6-23 1236 Placer Blue Canyon 1432 Comment
  JEPS72396  Symphoricarpos rotundifolius var. rotundifolius Gladys L. Smith 1973-6-1 3282 Placer slopes above Sherwood Forest (Ward Peak); Ward Peak 2590 Comment
  JEPS72399  Symphoricarpos rotundifolius var. rotundifolius Gladys L. Smith 1972-6-20 3217 Placer Ward Peak; about terminus of summit chair 2621 Comment
  UCR171340  Symphoricarpos rotundifolius var. rotundifolius George K. Helmkamp, E. A. Helmkamp 2005-10-1 9972 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  SBBG7649  Symphyotrichum ascendens E. R. Blakley 1960-9-3 3813 Placer Kings Beach, Lake Tahoe 1905 Comment
  CHSC41120  Symphyotrichum bracteolatum James D. Jokerst 1983-10-11 1918 Placer Along the banks of Long Canyon Creek ca 1/4 miles SE of Blacksmith Flat. Comment
  JEPS126303  Symphyotrichum bracteolatum Steve Matson 1998-8-15 375 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; West Fork Snow Creek about 200 yards NW of pond. Comment
  CAS-BOT-BC97858  Symphyotrichum eatonii John Thomas Howell 1943-7-25 18814 Placer West side of Donner Pass near Norden 2133 Comment
  CAS-BOT-BC98481  Symphyotrichum spathulatum C. G. Pringle 1884-9-1 s.n. Placer Summit Valley, Sierra Nevada Mts. Comment
  CAS-BOT-BC98525  Symphyotrichum spathulatum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows - Sierra Nevada 1600 Comment
  UCD33734  Symphyotrichum spathulatum Beecher Crampton 1972-7-26 8845 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD74033  Symphyotrichum spathulatum Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 218 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Terrain Park' ski run. 2221 Comment
  UC148934  Symphyotrichum spathulatum H. M. Hall 1910-7-11 8757 a Placer Old Cisco, along Yuba River Yuba River 1737 Comment
  UC1544811  Symphyotrichum spathulatum Almut G. Jones 1986-8-27 7282 Placer n of, along Hwy. 89 near junction to Squaw Valley Ski area Tahoe City 2100 Comment
  CAS-BOT-BC98924  Symphyotrichum spathulatum var. intermedium Elizabeth Parsons Hawver 1911-8-1 s.n. Placer Sunnyside - Lake Tahoe Regeion Comment
  CHSC73926  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-28 98 -163 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74198  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-29 98 -151 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CAS-BOT-BC221924  Taeniatherum caput-medusae John Thomas Howell; Gordon H. True 1971-5-26 47617 Placer Northern limits of Lincoln 48 Comment
  CDA19565  Taraxacum officinale M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 221 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  CHSC72875  Taraxia subacaulis L. P. Janeway; Eric Schroder 1998-7-13 5753 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  MACF019648  Taxus brevifolia F. A. MacFadden 1934-8-14 12872 Placer Canyon Creek- Dutch Hat, California Comment
  CAS-BOT-BC392406  Thalictrum fendleri John H. Thomas; Hazelle A. Thomas 1956-7-21 6177 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SCFS1201  Thalictrum fendleri E. Krimmel, F. Felix 2013-7-28 Placer North Fork American River, below Soda Springs Road on Swimming Hole Trail in damp woods. Stop #1 Comment
  SEINET8702543  Thalictrum fendleri P. B. Kennedy, S. B. Doten 1901-8-19 422 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  UCD42833  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 199 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43938  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1304 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET3161796  Thalictrum fendleri var. platycarpum W. A. Setchell, C. C. Dobie 1901-7-6 sn Placer Glen Alpine 2743 Comment
  UC188094  Thelypodium crispum C. F. Sonne 1886-7-11 Placer McFarland's old mill, road to Hot Springs Comment
  UCD93354  Thinopyrum intermedium K. Connelly 1999-8-2 PDR- 122370 6 Placer Truckee. Along side of Rd. 8, off of Hwy. 89. Comment
  UCD93355  Thinopyrum intermedium K. Connelly 1999-8-2 PDR- 122370 7-A Placer Truckee. Along side of Rd. 8, off of Hwy. 89. Comment
  JEPS111234  Thlaspi arvense Steve Matson 2005-6-8 1276 Placer Martis Valley, ca 3 miles southeast of Truckee, National Recreation Area (Army Corps) south of 267, southeast of Martis Creek, Northstar golf course by pond near wellhead; 39.2973 N, 120.1170 W; Elevation 5840 ft. 1780 Comment
  CDA35497  Thlaspi arvense Darryl Mitani 2011-7-21 PDR# 1611261 Placer Tahoe City; Lake Forest Road. 0 Comment
  UCD41259  Thysanocarpus curvipes Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1716 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
  UCR250189  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20338 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
  SEINET7249067  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  RSA0039368  Thysanocarpus curvipes var. curvipes Barbara Ertter, David Thompson 1989-4-9 8194 Placer Halfway down road to Lake Clementine (=North Fork Lake) NE of Auburn. 304 Comment
  CAS-BOT-BC67320  Thysanocarpus radians Carl B. Wolf 1937-3-30 8355 Placer Sacramento Valley, 2 miles north of Lincoln. 53 Comment
  CHSC96505  Thysanocarpus radians Lowell Ahart; Brian Williams 2007-4-13 13671 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln. 37 Comment
  JEPS113105  Thysanocarpus radians Lowell Ahart, Brian Williams 2007-4-13 13671 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln 37 Comment
  UCD128156  Torilis arvensis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10452 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along an unnamed road to Lake Clementine, 1.2 miles N of Forest Hill Road. 422 Comment
  UCR218125  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16398 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  JEPS5225  Torreya californica Rimo Bacigalupi 1952-7-20 3894 Placer off the Mosquito Ridge Road about 4 1/2 mi due e Foresthill (in canyon of Mad Creek, tributary (on n side of canyon) of the Middle Fork of the American River); Middle Fork of the American River, canyon of Mad Creek 670 Comment
  MACF014987  Torreya californica Faye. A. McFadden 1934-7-2 12718 Placer American River, 1 mi. east of Rawhide Mine; Placer County Comment
Read comments
Oct 17 2016
  NY17673  Torreya californica F. A. MacFadden 1934-8-20 s.n. 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
  CAS-BOT-BC172898  Toxicodendron diversilobum John Thomas Howell; Gordon H. True 1972-3-17 7076 Placer Just south of Auburn Ravine, 1 1/2 miles west of Lincoln 48 Comment
  CAS-BOT-BC172899  Toxicodendron diversilobum J. M. Ogawa 1952-5-8 s.n. Placer North of Loomis 121 Comment
  CAS-BOT-BC377043  Tragopogon Saichi Kawahara 1969-5-24 855 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek Comment
  UCD43119  Tragopogon dubius C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 487 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC377061  Tragopogon dubius John Thomas Howell; Gordon H. True 1972-5-12 48723 Placer Baxter 1219 Comment
  UC26040  Trichostema lanceolatum G. P. Rixford Aug 1896 Placer Comment
  POM70270  Trichostema oblongum Marcus E. Jones 1982-6-30 s.n. Placer Emigrant Gap. Comment
  SEINET9288478  Trichostema oblongum Unknown 1999-7-17 15158 Placer Martis Valley Comment
  UCR194958  Trifolium bifidum var. decipiens George K. Helmkamp, E. A. Helmkamp 2007-5-18 12031 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  SD237450  Trifolium campestre G. 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 Rodge Road; north edge of Oxbow Reservoir (Michigan Bluff 7.5'Q) 402 Comment
  UCD108260  Trifolium ciliolatum Beecher Crampton 1955-6-17 2924 Placer 10.5 miles W of Forest Hill. Comment
  UCD108301  Trifolium ciliolatum R. Tofsrud 1951-6-9 s.n. Placer Lake Arthur near Applegate on Hwy. 40. Comment
  OBI12698  Trifolium cyathiferum Robert F. Hoover 1967-9-7 10857 Placer Antone Meadow Comment
  UC333400  Trifolium cyathiferum unknown 1874-1-1 Placer near Lake Tahoe; Squaw Valley Comment
  UCD75732  Trifolium cyathiferum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5194 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
  RSA653964  Trifolium depauperatum Beecher Crampton 1966-4-14 7644 Placer North of Lincoln, Gladding Clay Pit Road and US Hwy 99. Comment
  UCR257603  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-3-21 22636 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  CDA36890  Trifolium glomeratum CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CAS-BOT-BC226943  Trifolium hirtum George K. Helmkamp; E. A. Helmkamp 2011-4-10 17156 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan 41 Comment
  SEINET3245949  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2010-1 15933 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5') 157 Comment
  UCD111229  Trifolium hybridum R. Tofsrud 1951-7-11 s.n. Placer Cisco Grove. Comment
  CDA4332  Trifolium hybridum Hanley 1956-6-2 Placer Roseville/Lincoln. 0 Comment
  UCR253129  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-4-23 22809 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  JEPS59433  Trifolium longipes Ezra Brainerd and Viola B. Baird 1915-7-10 153 Placer Deer Park Sierra Nevada Mtns 1920 Comment
  UCD111274  Trifolium longipes R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  SEINET12147834  Trifolium longipes C. F. Sonne 1881-1 55 Placer above Coldstream Comment
  UC630802  Trifolium longipes var. hansenii L. S. Smith 1916-6 568 Placer Squaw Valley Comment
  SEINET12157230  Trifolium monanthum C. F. Sonne 1884-1 59 Placer Canyon above Coldstream Comment
  UC631285  Trifolium monanthum subsp. parvum A. A. Heller 1919-7-25 13296 Placer below Cisco (near the Yuba River) Comment
  JEPS127540  Trifolium pratense Steve Matson 1998-9-1 402 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; main meadow near pond. Comment
  CHSC9512  Trifolium productum J. F. Goodwin 1971-7-10 156 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi sw of Cornelian Bay. Comment
  CDA28057  Trifolium variegatum var. major T. C. Fuller 1958-4-15 Placer Highway 99E, 0.5 mile north of Roseville. 0 Comment
  CDA32950  Trifolium variegatum var. variegatum P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  UCR235393  Trifolium willdenovii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18939 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 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
  CAS-BOT-BC516750  Triphysaria eriantha George K. Helmkamp; Amy Barnes 2013-3-28 20285 Placer Eastern Sacramento Valley: along 10th St/Ranch House Rd, 0.6 mi S of its jct with Riosa Road in Sheridan 43 Comment
  SEINET13750174  Triphysaria eriantha A. Beninghoff 1930-3-18 2866 Placer 5 miles east of Lincoln Comment
  UCR231892  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2011-4-10 17143 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  CHSC96512  Triphysaria pusilla Lowell Ahart; Brian Williams 2007-4-13 13655 Placer On damp granite soil, margins of vernal pools and open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SACT002430  Trisetum canescens D. Meyer 1984-7-9 Placer Collected on south side of reservoir, shaded area. 1600.0 Comment
  SACT002429  Trisetum canescens D. Meyer 1984-7-24 Placer Soda Springs Road 13.3 km from dam. 1454.0 Comment
  CAS-BOT-BC193496  Trisetum cernuum Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca. 3 mi. S of French Meadow - Sierra Nevada 1600 Comment
  UC1133267  Trisetum projectum B. Bolt 1934-7-10 92 Placer 1 mi nw mouth of Little Granite; Tahoe National Forest, Colfax Quadrangle Comment
  SACT002448  Trisetum spicatum var. projectum Michael Baad 1983-8-27 Placer 1 mile west towards Cherry Point 2133.0 Comment
  UC662468  Triteleia bridgesii Dorothy Law 1941-5-15 Placer Auburn Sierra Nevada foothills Comment
  UC843587  Triteleia hyacinthina Marcus E. Jones, A. M. 1882-6-30 3513 Placer Emigrant Gap Comment
  CAS-BOT-BC522018  Triteleia hyacinthina Gordon H. True 1971-4-21 6519 Placer Valley Grassland on Roseville-Lincoln Highway ca. 5 miles north of Roseville Comment
  CAS-BOT-BC522019  Triteleia hyacinthina C. F. Sonne 1885-7-26 310 Placer Donner Lake Comment