Search Results — 2000 specimen records retrieved (1615 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=PLACER; Source=All;   
Map/download results:

BerkeleyMapper with layers and yellow flags

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/cch_archive/).
 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.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC3899  Abies magnifica Don Heinz 1967-2-12 Placer 100 yds uphill from Standard Service Station at Baxter on Interstate 80 (Hwy.). 1219 Comment
  SEINET12765775  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Confluence of two creeks.; 0 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
  CAS-BOT-BC333260  Acer macrophyllum Saichi Kawahara 1969-5-24 881 Placer Old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  UC372535  Acer macrophyllum Marcus E. Jones, A. M. 1882-1 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  CDA39012  Achillea millefolium Larry Klaasen, D. G. Kelch 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  UCD43244  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 613 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC210683  Achnatherum lemmonii John Thomas Howell; Gordon H. True 1968-6-9 44518 Placer Alta 1066 Comment
  UCD50816  Achnatherum nevadense Collector Unknown Date Unknown 12889 Placer Summit Station. 2121 Comment
  UCD51018  Achnatherum occidentale G. L. Stebbins Jr. Date Unknown 3172 Placer along U.S. Highway no. 40. 1 mile west of Cisco Grove. 1706 Comment
  UC1108666  Achnatherum occidentale subsp. californicum H. R. Bennett 1954-8-8 Placer 3 mi w Kingvale (picnic area along Highway 40); Sierra Nevada Mts., South Fork Yuba River 1798 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
  UCD51133  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3169 Placer 2 miles east of Emigrant Gap, along U.S. Highway no. 40. 1584 Comment
  UCD21590  Achnatherum occidentale subsp. pubescens E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1253 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
  CAS-BOT-BC218038  Achnatherum stillmanii Catherine Best 1979-7-7 s.n. Placer Ca. 15 miles E of Foresthill, Big Tree Grove Comment
  CAS-BOT-BC29926  Achyrachaena mollis Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 0.5 miles N of Western Electric Plant on Industrial Blvd. Comment
  SD180596  Acmispon americanus Beecher Crampton 1972-7-26 8836 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  SD212606  Acmispon americanus var. americanus G. K. Helmkamp, Elizabeth Helmkamp 2005-9-30 9933 Placer Hampshire Rocks Road south of the I-80 Rainbow exit, ca. 2.0 miles east of Cisco Grove. 1805 Comment
  UCD103771  Acmispon americanus var. americanus R. A. Blanchard 1931-5-9 2193 Placer Roseville. Comment
  UCD38900  Acmispon americanus var. americanus Beecher Crampton 1959-7-23 5423 Placer 6 miles north of Folsom. Comment
  SEINET5327530  Acmispon americanus var. americanus A. Allen 1950-4-29 17 Placer Roadside 1/2 mi W of Rocklin on Hwy 40, railroad right of way 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
  SCFS1112  Aconitum columbianum E. Krimmel 2013-6-13 Placer NFAm. Stream crossing (split #4). Below Soda Springs road on way to Heath Falls Overlook. Comment
  UCD43264  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 632 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC412607  Aconogonon alaskanum Elizabeth Parsons Hawver No date on label s.n. Placer Lake Tahoe Region Comment
  SCFS5068  Aconogonon phytolaccifolium E. Krimmel 2014-6-26 Placer Widespread. Near creek and into conifer woods. Comment
  UCD22141  Aconogonon phytolaccifolium Rex Palmer 1979-7-10 N 526 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA39088  Acroptilon repens Preston Neufeld 2013-7-1 PDR# 310 P06129930 Placer Along Interstate 80 near Drum Forebay exit. 0 Comment
  CHSC79552  Actaea rubra G. F. Hrusa; T. Scarano 1994-8-31 11914 Placer Sierra Nevada. Duncan Creek at base of grade below French Meadows Reservoir, 1/4 m. upstream from bridge. [Lat./long. on label is '39 8 N; 120 29 W']. 1500 Comment
  SCFS11529136  Adenocaulon bicolor E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Comment
  SACT000030  Aegilops triuncialis D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  UCD36676  Aegilops triuncialis Beecher Crampton 1955-5-27 2815 Placer Placer County, 5 miles northwest of Roseville. Comment
  UC128215  Agastache urticifolia Miss Harriet A. Walker 1908-7-25 1383 Placer Cisco 1810 Comment
  OBI48642  Agastache urticifolia C. F. Sonne 1983-8-27 285 Placer Sierra Nevada Mts. Canon above Colstream Comment
  SCFS1113  Agastache urticifolia E. Krimmel 2013-6-13 Placer NFAm. Split #3. On trail to Heath Falls Overlook. Comment
  SEINET7940406  Agastache urticifolia L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  CAS-BOT-BC29379  Ageratina occidentalis L. S. Smith 1925-9-13 1730 Placer Deer Park, Tahoe Forest 1950 Comment
  POM58925  Ageratina occidentalis A. M. Carpenter 1892-8-9 s.n. Placer [Unspecified] Comment
  CAS-BOT-BC15493  Agoseris X elata L. R. Abrams 1917-9-19 6780 Placer Lily Lake near Fallen Leaf Lake, Tahoe Comment
  CHSC112160  Agoseris aurantiaca var. aurantiaca Dean Wm. Taylor 2013-8-7 21394 Placer Cold Stream Valley, just above Horseshoe Bend on the railroad mainline; Norden, Ca. 1889 Comment
  UC194732  Agoseris heterophylla var. cryptopleura C. F. Sonne 1891-5-17 Placer Colfax Comment
  RSA129789  Agoseris monticola B. Bolt 1934-8-23 203 Placer Divide between Picaune and Grayhorse. 2439 Comment
  CAS-BOT-BC13425  Agoseris retrorsa Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SD81102  Agoseris retrorsa Darley F. Howe 1971-7-2 Placer Lake Tahoe, Eldorado National Forest Comment
  CDA1687  Agropyron desertorum T. C. Fuller 1964-9-1 12574 Placer Sierra Nevada; 0.1 mile west of Blue Canyon Road, north side of Interstate 80 freeway from Donner Summit. Comment
  SACT000051  Agropyron intermedium D. Meyer 1983-7-3 Placer 1234.44 Comment
  SACT000069  Agropyron trachycaulum D. Meyer 1983-7-30 Placer Moist areas on both sides of road 2072.64 Comment
  SACT000075  Agropyron trachycaulum D. Meyer 1983-7-16 Placer 1853.18 Comment
  CAS-BOT-BC127449  Agrostis elliottiana Beecher Crampton 1957-5-7 3998 B Placer 1.7 miles east of Lincoln. 73 Comment
  CHSC81841  Agrostis exarata Lowell Ahart 2001-10-10 9360 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  SACT000083  Agrostis exarata D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000110  Agrostis exarata D. Meyer 1984-9-23 Placer Bladewood Creek, very wet rocky creek bed. 1212.0 Comment
  UCD33607  Agrostis exarata Beecher Crampton 1970-6-26 8640 Placer Placer County, Gold Run. 914 Comment
  UCD52073  Agrostis exarata Beecher Crampton 1956-7-17 3729 Placer Blue Canyon. Comment
  SEINET7249204  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  UCD52316  Agrostis exarata var. monolepis B. Crampton 1952-11-9 932 Placer Meadow Vista, about 7 miles east of Auburn. 457 Comment
  CAS-BOT-BC139728  Agrostis gigantea Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CDA13678  Agrostis gigantea G. F. Hrusa, J. Glazner 1997-8-3 14038 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Large rhizomatous colony on +- moist margin of ditch along Squaw Valley Rd. 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
  SACT000135  Agrostis idahoensis Michael Baad 1976-8-7 Placer red fir. lodge pole. pine forest. 2377.44 Comment
  SACT000182  Agrostis idahoensis Michael Baad 1976-8-7 Placer 2072.0 Comment
  SACT000187  Agrostis idahoensis Michael Baad 1976-8-7 Placer 2072.0 Comment
  UCD52992  Agrostis idahoensis Lewis S. Rose 1944-7-26 44272 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  UCD52995  Agrostis idahoensis B. Crampton 1955-7-13 2992 Placer Mountain slopes above US Hwy. 40, 3.5 miles east of Baker. 1432 Comment
  UCR241359  Agrostis idahoensis George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19816 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
  UCD53071  Agrostis microphylla var. intermedia Beecher Crampton 1957-5-7 3998 A Placer 1.7 miles east of Lincoln on the road to Newcastle. Comment
  UC814989  Agrostis pallens A. A. Heller 1917-8-13 12897 Placer base of cliff n Summit Hotel 2164 Comment
  UCD22260  Agrostis pallens Rex Palmer 1979-7-26 N 815 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD44604  Agrostis pallens C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1970 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD53131  Agrostis pallens A. A. Heller 1917-8-13 12897 Placer Base of a cliff north of Cummit hotel. 2164 Comment
  CAS-BOT-BC138721  Agrostis scabra E. R. Blakley 1960-9-3 3808 Placer King's Beach, Lake Tahoe. 1903 Comment
  SACT000158  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 Comment
  SACT000170  Agrostis scabra D. Meyer 1984-9-9 Placer 1406.0 Comment
  CHSC69967  Agrostis stolonifera L. P. Janeway; Eric Schroder 1997-7-17 5247 Placer Meadow on southeast side of Fulda Creed at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  SEINET9262074  Agrostis stolonifera George K. Helmkamp, Elizabeth Helmkamp 2012-1 19904 Placer Northern Sierra Nevada Mountains: Blue Canyon Road, 1.1 miles south of its intersection with I-80 about 1/2 miles south of Blue Canyon-Nyack Airport (Blue Canyon 7.5 Q) 1472 Comment
  UCD34017  Agrostis stolonifera Beecher Crampton 1975-9-9 9268 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  UCD75937  Agrostis stolonifera Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5165 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
  SACT000206  Agrostis stolonifera var. major D. Meyer 1984-7-29 Placer road south of reservoir, moist shady north-facing slope. 1612.0 Comment
  SACT000213  Agrostis tenuis D. Meyer 1984-6-23 Placer 9.76 km from I80 Frontage rd. moist shady roadside ditch. oak, pine, manzanita, assoc 978.0 Comment
  SACT000218  Agrostis tenuis D. Meyer 1983-6-16 Placer 1624.0 Comment
  UCD74171  Agrostis variabilis Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 205 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2151 Comment
  SACT000228  Aira caryophyllea D. Meyer 1983-5-15 Placer 36.6 Comment
  SACT000231  Aira caryophyllea D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  SACT000232  Aira caryophyllea D. Meyer 1984-8-4 Placer Meadow, mostly dry with a few springs 1454.0 Comment
  RSA353527  Alisma triviale William Martin 1971-9-10 20221 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  UCD44484  Allium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1850 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC39057  Allium amplectens Michael P. Crivello 1979-4-11 Placer 1.2 mi sse Coloma along Hwy 49. 289 Comment
  UCD72507  Allophyllum divaricatum Ellen Dean 2006-5-22 3143 Placer Above north fork of the American River on N side of Foresthill Bridge. 274 Comment
  UCR250083  Allophyllum gilioides subsp. gilioides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20504 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  RSA795078  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18184 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC1714458  Allophyllum integrifolium Miss Helen D. Geis 1912-6 210 Placer Deer Park Comment
  UCD21982  Allophyllum integrifolium Beth Lowe Corbin 1982-8-6 268 Placer 1/2 mile west of Onion Creek campground. 1981 Comment
  POM74363  Allophyllum integrifolium Marcus E. Jones 1889-7-11 10184 Placer Emigrant Gap. Comment
  CAS-BOT-BC453438  Allotropa virgata Mrs. S. Earle Kelley 1923-7-1 s.n. Placer Rockbound Lake, Tahoe Region Comment
  OBI39836  Alnus incana Joy H. Nishida 1985-7-10 793 Placer Homewood, Red fir forest 1829 Comment
  SEINET8074268  Alnus incana var. occidentalis R. N. Ell 1999-7-27 2 Placer Near Truckee River, N of Tahoe City on Rte. 89, near turnoff to Alpine Meadows Ski Area. 1881 Comment
  SACT002785  Alnus tenuifolia Michael Baad 1976-6-10 Placer Collected on north slope of Duncan Canyon on trail to Robinson Flat. 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
  JEPS115003  Amaranthus californicus Lowell Ahart 2007-11-13 14596 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan 73 Comment
  CAS-BOT-BC136697  Amelanchier alnifolia var. pumila Alice Eastwood 1912-6-15 372 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC136769  Amelanchier utahensis A. A. Heller 1917-6-19 12729 Placer Emigrant Gap 1615 Comment
  JEPS127448  Amelanchier utahensis Steve Matson 1998-6-24 288 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UC1127779  Amelanchier utahensis N. French 1934-5-31 391 Placer 1 mi se Texas Hill; Tahoe National Forest, Colfax Quad. 1615 Comment
  UCR231872  Amsinckia menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2011-4-10 17137 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  SCFS11529131  Anaphalis margaritacea E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UCD56110  Andropogon virginicus Beecher Crampton 1957-5-7 3999 Placer 2 miles west of Clipper Gap, US Hwy. 40 ca. 3 miles east of Auburn. Comment
  JEPS20407 Image available Androsace occidentalis var. simplex Marcus E. Jones 1882-4-29 Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  CAS-BOT-BC391820  Anemone drummondii Mrs. Bliss 1923-4-20 s.n. Placer Tahoe City Comment
  POM99994  Anemone drummondii Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  CAS-BOT-BC84756  Antennaria rosea subsp. rosea John H. and Hazelle A. Thomas 1956-7-21 6163 Placer Vicinity of Donner Pass 2377 Comment
  CDA25022  Anthemis cotula J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD33741  Anthemis tinctoria Beecher Crampton 1972-7-26 8853 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC137712  Anthoxanthum odoratum Peter H. Raven 1949-6-28 1225 Placer Baxters. 1219 Comment
  SACT000332  Anthoxanthum odoratum Josephine Van Ess 1974-8-10 Placer Rest stop area just north of Highway 80. Dried up moist area, 991.0 Comment
  SACT000337  Anthoxanthum odoratum Michael Baad 1983-7-1 Placer .3 mile north of Blue Canyon Inn on road to I 80 along stream. 1584.96 Comment
  UC815547  Anthoxanthum odoratum C. L. Hitchcock 1940-5-7 6316 Placer 1 mi w of Baxter Comment
  UCD80515  Anthoxanthum odoratum CNPS SN Foothill Team 2005-4-11 SNFN 0104 a Placer Placer Legacy, Spears/Didion Ranch, above Coon Creek, approximately 2.5 miles east of entry gate off of Garden Bar Road. 156 Comment
  SEINET7595379 Image available Anthoxanthum odoratum A. A. Beetle 1941-1 2719 Placer Cisco, Near Cisco 914 Comment
  CDA36877  Aphanes occidentalis CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CAS-BOT-BC218514  Apiaceae Saichi Kawahara 1969-5-24 826 Placer Slope overlooking north fork of the American River, on the Colfax-Iowa Hill Road betwen Dinner Tree and Windy Point 585 Comment
  UC878846  Apocynum androsaemifolium A. A. Heller 1917-8-13 12902 Placer cliff n. of Summit hotel 2164 Comment
  RSA463235  Apocynum androsaemifolium subsp. pumilum J. H. Nishida 1985-7-10 772 Placer Homewood. 1829 Comment
  POM147904  Apocynum pumilum var. rhomboideum J. B. Feudge 1927-7-19 1733 Placer Donner Lake 2134 Comment
  UC853791  Aquilegia formosa Marcus E. Jones 1882-6-28 2614 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  CAS-BOT-BC397906  Aquilegia formosa Alice Eastwood 1909-8-1 19 Placer Sunnyside Comment
  UC54280  Aquilegia formosa H. M. Hall and H. P. Chandler 1903-7-1 4681 Placer near summit of Mt. Ralston Sierra Nevada, Lake Tahoe vicinity 2773 Comment
  UC615318  Aquilegia formosa Beryl O. Schreiber 1933-7-19 876 Placer rd to Tahoe Comment
  POM366953  Aquilegia formosa var. truncata Bonnie C. Templeton 1931-7-4 1505 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  POM99522  Aquilegia formosa var. truncata Marcus E. Jones 1882-6-28 2614 Placer Emigrant Gap. Comment
  CDA36918  Arabidopsis thaliana CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  POM143944  Arabis drummondii C. F. Sonne 1897-07 s.n. Placer Bear Valley on Truckee River. Comment
  UCD43026  Arabis hirsuta var. glabrata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 395 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR121486  Arabis holboellii var. retrofracta George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5020 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SEINET8892815  Arabis platysperma K. Christie 2011-1 2081 Placer Lake Tahoe Basin Management Unit (LTBMU); ca. 0.5 mi. east of Martis Peak. Comment
  POM94623  Arabis rectissima Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  SEINET7258076  Arbutus menziesii W. D. Billings 1940-5-18 s.n. Placer Gold Run Comment
  CAS-BOT-BC407753  Arceuthobium abietinum E. R. Blakley 1960-8-29 3793 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UC1085341  Arceuthobium americanum Job Kuijt 1957-5-20 1343 Placer 9.2 mi n Tahoe City (on Hwy 89 along Truckee River) 1798 Comment
  UC336862  Arceuthobium campylopodum Lemmon 1886-1 Placer Auburn Comment
  CAS-BOT-BC24154  Arctostaphylos Saichi Kawahara 1969-5-25 1018 Placer Top of ridge E of house, Mel henderson Ranch, E bank of Indian Creek, Dutch Flat Quadrangle 1036 Comment
  CAS-BOT-BC24241  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer W. slope of Sierra Nevada. Gorge Station, C.P.R.R. 1219 Comment
  CAS-BOT-BC24244  Arctostaphylos mewukka L. R. Abrams 1910-7-1 4992 Placer Near Blue Canyon on Union Pac. R.R. Comment
  CAS-BOT-BC27156  Arctostaphylos mewukka Clinton Hart Merriam 1911-11-5 s.n. Placer 3 miles NW of Colfax. Comment
  RSA254299  Arctostaphylos mewukka Gary D. Wallace, R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1421 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
  POM286039  Arctostaphylos nevadensis Lyman Benson 1933-6-26 4539 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  RSA256999  Arctostaphylos nevadensis Gary D. Wallace 1974-12-27 1374 Placer Near Lake Tahoe on the outskirts of Homewood. 1905 Comment
  RSA122010  Arctostaphylos patula G. T. Nordstrom 1934-6-21 135 Placer Two miles northeast of Mammoth Springs. Comment
  UC481534  Arctostaphylos patula G. W. Fetters 1929-6-15 Placer Pomin's Lake Tahoe Comment
  UCR178677  Arctostaphylos viscida Ellen Dean, John Downs, Brian Ludwig 2006-3-30 2830 Placer Along Secret Town Road, near railroad overpass trestle, NW of I-80 915 Comment
  SEINET7268599  Arctostaphylos viscida L. R. Miller 1934-6-23 s.n. Placer Above Colfax 914 Comment
  CAS-BOT-BC47061  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. 762 Comment
  CAS-BOT-BC47064  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer Sierra Nevada, 1 mi. w. of Colfax. 658 Comment
  RSA306168  Arctostaphylos viscida subsp. viscida Fay A. MacFadden 1934-3-25 12411 Placer Dutch Flat. 1067 Comment
  RSA637016  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24911 Placer Forest Hill Road, 13 km west of Forest Hill, northeast of Auburn. 590 Comment
  RSA637020  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24927 Placer Forest Hill Road, 23 km west of Forest Hill, northeast of Auburn. 450 Comment
  POM308863  Arenaria capillaris subsp. americana Betty J. Jorgensen 1944-7-2 511 Placer Along summit near Donner Pass. Comment
  CHSC72867  Arnica chamissonis L. P. Janeway; Eric Schroder 1998-7-13 5757 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CAS-BOT-BC82206  Arnica chamissonis C. F. Sonne 1884-7-23 189 Placer Meadow near Mill on Truckee River Comment
  CAS-BOT-BC82212  Arnica chamissonis John Thomas Howell 1925-7-5 1385 Placer Armstrong's, Emerald Bay, Lake Tahoe 1889 Comment
  UC84125  Arnica dealbata C. F. Sonne July 1895 Placer road to Lake Tahoe Comment
  UCD21794  Arnica dealbata Beth Lowe Corbin 1982-8-19 380 Placer 1 1/2 miles south of The Cedars. 1874 Comment
  UCD69355  Arnica dealbata S. Rivas; M. Barbour, D. S. Mata, P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. 2100 Comment
  CDA12430  Arnica longifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8559 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC197284  Arnica longifolia C. F. Sonne 1897-8-1 Placer Mt. Anderson (e slope) Sierra Nevada Mountains, Mt. Anderson 2438 Comment
  UC29640  Arnica longifolia C. F. Sonne 1887-8-7 191 Placer Mts. above Coldstream; Sierra Nevada Mountains Comment
  UC193595  Arnica longifolia C. F. Sonne 1885-8-23 Placer n of Tinker's Knob ((e slope Anderson's Peak)); Anderson's Peak Comment
  UC65331  Arnica nevadensis P. B. Kennedy and S. B. Doten 1901-8-10 274 Placer Devils Cliff (summit of) Summit Soda Springs Comment
  CDA13688  Arnica parryi G. F. Hrusa, J. Glazner 1997-8-3 14048 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  SEINET6775244 Image available Artemisia arbuscula L. Asche 1972-9-9 s.n. Placer Basin Peak Comment
  UC1190075  Artemisia arbuscula George H. Ward and Ann Ward 1949-9-12 948 Placer ca. 8 mi n of Tahoe City (along Truckee River); Truckee River Comment
  SEINET8196674  Artemisia arbuscula subsp. thermopola D. W. Taylor 2013-7-7 21400 b Placer Tinker Knob, east flank (approached from the jeep road along the ridge to the NE). 2648 Comment
  CAS-BOT-BC90400  Artemisia douglasiana Peter H. Raven 1956-8-4 9991 Placer Blue Canyon 1432 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
  CAS-BOT-BC90714  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer Base of a cliff north of Summit hotel 2164 Comment
  SACT000350  Arundo donax var. donax D. Meyer 1984-6-23 Placer Intersection Of Iowa Hill Rd and the American River, rocky river bank. 352.0 Comment
  SBBG61524  Asarum lemmonii M. N. Ackley -Jun-1925 7 Placer Towle 1127 Comment
  RSA121925  Asclepias cordifolia N. H. French 1934-5-29 379 Placer Emigrant Gap 1555 Comment
  SEINET178467  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant Gap. Comment
  UCD121253  Asclepias cordifolia Al Franklin 1987-5-1 87 -7 Placer 1.3 miles east of I-80 on Foresthill Road, just outside Auburn, east side of N. Fork American River Canyon. 396 Comment
  UCR194940  Asclepias cordifolia George K. Helmkamp, E. A. Helmkamp 2007-5-18 12009 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  RSA686378  Aspidotis densa May N. Ackley 1925-06 40 Placer Emigrant Gap. 1677 Comment
  RSA417678  Aster integrifolius Wm. Martin 1971-9-10 20296 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UCR231862  Aster oregonensis George K. Helmkamp, E. A. Helmkamp 2010-10-16 17024 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
  RSA473519  Aster oregonensis subsp. californicus Wm. Martin 1971-9-10 20245 Placer 1 mile north of Gold Run on Hwy 80 Comment
  UCR146921  Aster oregonensis subsp. californicus Beecher Crampton 1961-9-27 6020 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  SCFS1172  Asteraceae E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Road at Chickering. Comment
  SCFS1173  Asteraceae E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  SEINET5324976  Astragalus andersonii F. H. Hillman s.n. Placer Between Truckee and Tahoe Comment
  UC197202  Astragalus austiniae C. F. Sonne 1897-7-18 Placer Tinker's Knob 2743 Comment
  UC1128744  Astragalus bolanderi B. Bolt 1934-7-12 104 Placer Snow Mountain Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  UCD104783  Astragalus gambelianus Al Franklin 1987-5-1 87 -08 Placer 1.3 miles east of I-80, on Foothill Road, just outside Auburn, CA. 396 Comment
  CAS-BOT-BC17414  Athysanus pusillus A. A. Heller 1917-6-17 12693 Placer Near the Yuba River below Cisco. 1676 Comment
  SACT000400  Avena fatua D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  SD80952  Balsamorhiza hookeri James Henrickson 1969-5-25 3405 Placer 102 miles northeast of Sacramento, 4 miles southeast of Truckee along Hwy. 267. 1830 Comment
  UC1278006  Balsamorhiza macrolepis B. Crampton 1957-5-7 3983 Placer 3.2 miles north of Roseville, along the railroad and U.S. Highway. 99 E. Comment
  CAS-BOT-BC100072  Balsamorhiza macrolepis T. C. Fuller 1957-4-15 3901 Placer Roadside, Highway 99E. 2 miles north of Roseville Comment
  CAS-BOT-BC100092  Balsamorhiza sagittata Alice Eastwood 1912-6-15 363 Placer Deer Park, Lake Tahoe Region Comment
  UC893858  Balsamorhiza sagittata Alice Eastwood Jun 15 1912-Jun 19 1912 363 Placer Deer Park Lake Tahoe Region Comment
  UCD21699  Balsamorhiza sagittata Rex Palmer 1979-6-9 N 160 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21700  Balsamorhiza sagittata Rex Palmer 1979-6-20 N 321 Placer Placer County Headwaters basin area of the North Fork of the American River Comment
  UCR120235  Barbarea orthoceras George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5071 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  CHSC96575  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. 43 Comment
  CAS-BOT-BC75990  Berberis pumila W. R. Dudley 1904-8-12 s.n. Placer Rattle Snake Ditch, Canon [Canyon] Creek, Placer Creek. 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
  CAS-BOT-BC14639  Boechera rectissima Lowell Ahart 1969-7-30 s.n. Placer Ahart Camp, French Meadow. 1524 Comment
  UCD22344  Boechera retrofracta Rex Palmer 1979-6-19 N 240 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC25780  Boechera stricta Alice Eastwood 1909-7-1 125 Placer Lake Tahoe Region. Sunnyside, Lake Tahoe. Comment
  UCD134693  Botrychium multifidum Dean W. Taylor 1974-9-19 5038 Placer North Fork American River, junction of Onion Creek. 1737 Comment
  CAS-BOT-BC417620  Boykinia major Lillian Mott 1975-8-4 51 LM74 Placer French Meadows Reservoir on American River Comment
  SEINET5340929  Brassica rapa C. Fitz 1959-3-5 s.n. Placer Near Auburn, Hw. 40, profuse in fields and orchards. 396 Comment
  SD243074  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17015 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road (Between CA-49 and new Foresthill Road), 1.8 miles northeast of junction with CA-49 (Auburn 7.5'Q) 249 Comment
  CDA36988  Briza minor CDFA Staff s.n. Placer Dry Creek. 0 Comment
  POM260022  Briza minor M. Hitchcock 1940-5-14 6389 Placer Meiner Ranch, ca. 6 miles north of Colfax. 762 Comment
  SACT000456  Briza minor D. Meyer 1983-5-7 Placer roadside Comment
  UC816101  Briza minor C. L. Hitchcock 1940-5-14 6389 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  UCD57424  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco. 914 Comment
  UCSB45767  Briza minor Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  SEINET10962541  Brodiaea B. Jorgensen 1944-7-23 Jorgensen 527 Placer Near Soda Springs Comment
  UCD77124  Brodiaea nana Robert E. Preston 2003-5-6 2120 Placer Ca. 2.3 mi NW of Roseville, along Phillip Rd, 1.25 mi W of its jct with Fiddyment Rd 32 Comment
  SBBG57625  Brodiaea purdyi M. N. Ackley -Jun-1925 627 Placer Applegate 614 Comment
  SEINET7067123  Brodiaea stellaris A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
Read comments
Jul 17 2018
  SACT000378  Bromus breviaristatus Michael Baad 1976-8-7 Placer transect from Bear Lake to ridge northest of lake overlooking Cothurin Cove to the southwest 2072.0 Comment
  UCD36670  Bromus carinatus Beecher Crampton 1955-6-15 2906 Placer Placer County, Yankee Jims. 807 Comment
  UCD43285  Bromus carinatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 653 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD58306  Bromus carinatus D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 Comment
  RSA0034726  Bromus carinatus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  CAS-BOT-BC149517  Bromus carinatus var. carinatus Saichi Kawahara 1969-7-6 1429 Placer Near old cabin, east bank of Indian Creek, Mel Henderson Ranch, near swing. 999 Comment
  CHSC67739  Bromus carinatus var. marginatus Jame D. Jokerst 1986-7-13 2741 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap'. Comment
  SEINET204035 Image available Bromus carinatus var. marginatus F. J. Hermann 1955-7-27 11942 Placer NW shore of Lake Tahoe 1829 Comment
  CDA37224  Bromus diandrus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000528  Bromus diandrus D. Meyer 1983-4-17 Placer 231.648 Comment
  SACT000531  Bromus diandrus D. Meyer 1983-5-7 Placer Roadside Comment
  SACT000532  Bromus diandrus D. Meyer 1983-6-5 Placer on the turnoff, along roadside 487.68 Comment
  SEINET4391156  Bromus diandrus R. L. Oliver 1976-4-13 s.n. Placer Along roadside, Auburn 366 Comment
  CAS-BOT-BC155063  Bromus hordeaceus John Thomas Howell; Gordon H. True 1972-3-17 7080 Placer Northern outskirts of Lincoln. 48 Comment
  RSA0039071  Bromus hordeaceus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20474 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SACT000495  Bromus hordeaceus D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure 231.648 Comment
  UCD58814  Bromus hordeaceus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCR257600  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-3-21 22641 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  SD112424  Bromus hordeaceus 1948-5-20 1892 Placer 456 Comment
  UCD74181  Bromus inermis subsp. inermis Jennifer W. Burt 2005-7-17 40 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 2112 Comment
  POM364025  Bromus laevipes A. A. Beetle 1941-5-26 2726 Placer Near Cisco 915 Comment
  SACT000599  Bromus laevipes D. Meyer 1984-6-23 Placer 740.0 Comment
  SACT000630  Bromus madritensis Michael Baad 1983-5-7 Placer open rock hillside; south-facing, serpentine slope 426.7 Comment
  SACT000704  Bromus marginatus Michael Baad 1983-8-11 Placer 2133.6 Comment
  UCR146674  Bromus marginatus Beecher Crampton 1985-6-23 9998 Placer Sierra Nevada Mtns., North Shore Lake Tahoe, Stateline Road 1905 Comment
  CAS-BOT-BC162165  Bromus orcuttianus R. F. Hoover 1967-9-7 10858 Placer Antone Meadow. Comment
  SBBG22672  Bromus orcuttianus M. S. Walters 1960-6-21 Placer Hwy 89 just S of Tahoe City, 0.3 mi S of Truckee River Bridge Comment
  UCD34880  Bromus orcuttianus Beecher Crampton 1964-7-9 7107 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  CAS-BOT-BC161586  Bromus sterilis Saichi Kawahara 1969-7-6 1421 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  SACT000675  Bromus sterilis D. Meyer 1984-5-6 Placer On Golden Bar Road, riparian habitat. 182.0 Comment
  SACT000757  Bromus suksdorfii D. Meyer Placer 10 miles from French Meadows, dry roadside 1524.0 Comment
  UCD60059  Bromus tectorum Beecher Crampton 1955-6-15 2874 Placer Bunch Canyon head, 1 mile south of U. S. Hwy. 40, on the Forest Hill road. Comment
  SACT000769  Bromus tectorum var. tectorum D. Meyer 1984-5-28 Placer next to orchard 206.0 Comment
  SACT000775  Bromus tectorum var. tectorum D. Meyer 1983-8-7 Placer 3.2 km North of Tahoe City 1879.0 Comment
  SEINET10867417  Calamagrostis bolanderi A. Arthur Heller 1903-8-10 Heller 7180 Placer Above Donner Pass. 2286 Comment
  CHSC73531  Calamagrostis canadensis L. P. Janeway; Eric Schroder 1998-9-16 6327 Placer Lake Tahoe Basin-National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  RSA60321  Calamagrostis canadensis E. K. Balls 1950-9-8 15722 Placer Lakes Center Public Campground 2043 Comment
Read comments
Sep 16 2014
  CHSC73939  Callitriche verna Susi Urie 1998-8-19 98 -087 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD40936  Calochortus albus Sook Hong 1989-5-20 16 Placer 5-10 miles east of Auburn on Forest Hill Road. 652 Comment
  UCR207888  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14571 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  CAS-BOT-BC487484  Calochortus albus Alice Eastwood; John Thomas Howell 1937-5-8 4336 Placer Near Auburn on road to Grass Valley Comment
  SEINET8194250  Calochortus albus J. Solaegui 1977-4-16 s.n. Placer 3 miles E of Auburn on Rte 49, along dirt road immediately N of Rte 49. 335 Comment
  CAS-BOT-BC490166  Calochortus leichtlinii Hazelle A. Thomas; John 1956-7-21 6093 Placer Siera Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC483467  Calochortus minimus E. A. McGregor 1909-8-18 163 Placer Desolation Valley, Lake Tahoe region 2286 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
  SEINET4169895  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer ca. 1 mile west of Baxter Comment
  UC1585980  Calochortus monophyllus Barbara Ertter with David Thompson 1989-4-9 8178 Placer ca 5 air mi nw Foresthill (Shirttail Canyon Road, 2.4 mi from Dipper Road) 609 Comment
  CAS-BOT-BC493404  Calochortus monophyllus Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UC614454  Calochortus monophyllus L. Constance, J. L. Morrison 1938-4-30 2172 Placer e edge Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  POM260305  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles N of Colfax Comment
  UC843706  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 mi n Colfax Comment
  SDSU6417  Calycadenia multiglandulosa D. F. Howe 1964-7-26 3872 Placer Auburn. Comment
  CAS-BOT-BC270644  Calycadenia multiglandulosa Rimo Bacigalupi; et al. 1952-7-19 3849 Placer About 1.5 miles N of (and below) Colfax on grade along road to Iowa Hill, N slope of the canyon of the N Fork of the American River Comment
  POM298237  Calycadenia multiglandulosa subsp. bicolor D. D. Keck, J. Clausen 1932-7-1 1590 Placer 2 miles north of Auburn 427 Comment
  RSA121123  Calycadenia multiglandulosa subsp. bicolor N. H. French 1933-6-22 81 Placer North of Bald Rock Mountain 549 Comment
  UC1136658  Calyptridium monospermum G. T. Nordstrom 1934-6-18 105 Placer 1/4 mi se of Texas Hill (Tahoe National Forest); Tahoe National Forest 1676 Comment
  SEINET5336320  Calyptridium paniculatum H. A. Walker 1908-6-23 1207 Placer Blue Canyon Station in the Sierra Nevada, Transition Zone. 1470 Comment
  CHSC10553  Calyptridium umbellatum Lowell Ahart 1962-7-14 Placer French Meadows. 1676 Comment
  UCD100442  Calyptridium umbellatum Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer West end of Ward Valley in Lake Tahoe Basin. 1889 Comment
  UCR146862  Calystegia malacophylla subsp. malacophylla Beecher Crampton 1972-7-26 8846 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  UC67118  Calystegia occidentalis P. B. Kennedy and S. B. Doten 1901-8-7 254 Placer Summit Soda Springs Comment
  JEPS31609  Calystegia occidentalis subsp. occidentalis W. H. Shockley June 1886 Placer Auburn Comment
  CHSC70246  Calystegia occidentalis subsp. occidentalis R. A. Schlising; T. Lane 1975-6-3 3165 Placer E of Auburn, at roadside of Hwy 49, just above crossing of American River. Comment
  UCD21723  Calystegia occidentalis subsp. occidentalis Robin McMaster 1973-6-3 430 Placer Off highway, near Weimer. Comment
  UC1965411  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22050 Placer Tahoe National Forest, 8.2 miles NE of Forest Hill, 4.4 miles from Forest Hill Divide Road on Sugar Pine Road Comment
  JEPS124665 Image available Camassia leichtlinii subsp. suksdorfii Laurie Hooker 1965-6-27 25 Placer 3.7 miles past Montreal Road So on Hi 89. Meadow at left road. Comment
  JEPS16329  Campanula prenanthoides Peter H. Raven 1956-8-4 9976 Placer Blue Canyon Sierra Nevada 1432 Comment
  UCR231838  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-14 16783 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  RSA456179  Campanula prenanthoides Wm. Martin 1971-9-10 20256 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  SEINET10462874  Campanula prenanthoides Carpenter Carpenter s.n. Placer Comment
  SEINET10463250  Campanula prenanthoides Feudge 1927-7-18 FEUDGE 1774 Placer Emigrant Gap 1524 Comment
  UC29008  Campanula prenanthoides Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET5341002  Capsella bursa-pastoris A. Tiehm, H. Mozingo; M. Williams; E. McPherson 1975-1 619 Placer One mile north of Lincoln. Comment
  CHSC72871  Cardamine breweri var. breweri L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5760 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UC855781  Cardamine cordifolia var. lyallii Alice Eastwood 1909-1 243 Placer Deer Park Lake Tahoe Region, Deer Park Comment
  JEPS53308  Cardamine cordifolia var. lyallii C. F. Sonne July 1886 423 Placer along creek in canyon on rd. to Hot Springs (Tahoe); Tahoe Comment
  CAS-BOT-BC38117  Cardamine pensylvanica Alice Eastwood 1912-6-15 454 Placer Lake Tahoe Region. Deer Park. Comment
  CDA37681  Carduus nutans Robin Breckenridge 2003-7-25 s.n. Placer Boca Reservoir, Hirschdale. 0 Comment
  CAS-BOT-BC281742  Carduus pycnocephalus T. C. Fuller 1976-6-3 20140 Placer NW corner of Bell Road and Skyline Drive, Auburn Comment
  CHSC74283  Carex angustata Susi Urie 1998-8-25 98 -099 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  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
  UCD44599  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1965 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC18025  Carex athrostachya R. F. Hoover 1967-9-5 10839 Placer Carnelian Bay, Lake Tahoe. Comment
  CDA25007  Carex athrostachya J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  CHSC101067  Carex athrostachya G. F. Hrusa; J. Glazner 1997-8-3 14051 Placer Corner of Hwy 89 and Squaw Valley Road. 2000 Comment
  CHSC84746  Carex athrostachya L. P. Janeway; B. Castro 2003-8-23 7967 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  UCD43045  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 414 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC19396  Carex bolanderi Saichi Kawahara 1969-7-6 1431 Placer East Fork of Indian Creek. Mel Henderson Ranch. Swing near old cabin. 999 Comment
  CHSC85711  Carex douglasii G. F. Hrusa; J. Glazner 1999-7-17 15176 Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET3143641  Carex feta L. S. Rose 1939-6-5 39218 Placer Bear Valley near Emigrant Gap 1372 Comment
  CAS-BOT-BC20169  Carex filifolia var. erostrata Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  UCD75961  Carex filifolia var. erostrata Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5226 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CAS-BOT-BC20167  Carex filifolia var. erostrata W. R. Dudley 1893-6-7 s.n. Placer By railroad west of Truckee. Comment
  POM81878  Carex fissuricola Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  CHSC98656  Carex fracta Robert F. C. Naczi 2006-8-3 11406 Placer Ca. 4.2 mi E of town of Cisco Grove, 1.0 mi W of Nevada Co. border, S of E-bound lanes of I-80, 0.4 mi W of overpass for exit 171 (Kingvale Exit). 1851 Comment
  UC830149  Carex fracta Alice Eastwood Jun 15-19 1912 471 Placer Lake Tahoe Region Comment
  CHSC67704  Carex heteroneura var. heteroneura James D. Jokerst 1986-7-13 2707 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  UCD44462  Carex heteroneura var. heteroneura C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1828 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC68059  Carex hoodii James D. Jokerst 1986-7-12 2692 A Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  RSA0089809  Carex hoodii Dean Wm. Taylor 2010-8-10 20991 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek. 2508 Comment
  POM81205  Carex integra Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  CAS-BOT-BC35501  Carex jonesii Lewis S. Rose 1944-7-26 44280 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CAS-BOT-BC35504  Carex jonesii L. S. Smith 1927-8-15 56764 Placer Castle Peak , Tahoe 2316 Comment
  UCD149406  Carex laeviculmis G. Ledyard Stebbins 1976-7-4 7685 Placer Spring Hollow, E of Little Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  POM81703  Carex lenticularis var. lipocarpa Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UC1729930  Carex lenticularis var. lipocarpa L. P. Janeway 1998-8-6 5979 Placer 1.7 mi w of Lake Tahoe (n side of Blackwood Creek, Homewood Quadrangle); Blackwood Creek, Homewood Quadrangle 1938 Comment
  CAS-BOT-BC31491  Carex leptopoda W. R. Dudley 1909-8-13 s.n. Placer Little Fork Pond, Dutch Flat. Comment
  CHSC67706  Carex luzulifolia James D. Jokerst 1986-7-13 2718 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, in Sheet Valley. 2133 Comment
  NY380664  Carex luzulifolia var. strobilantha A. A. Heller 1903-8-17 7187 Placer Above Donner Pass 2286.0 Comment
  UCD42921  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 289 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD42801  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 167 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD75672  Carex microptera Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 252 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2156 Comment
  CAS-BOT-BC31833  Carex microptera John Thomas Howell 1938-8-2 14006 Placer 5 miles N of Brockway Comment
  CAS-BOT-BC32062  Carex multicaulis Saichi Kawahara 1969-5-24 877 Placer Mineshaft E of old cabin E bank of Indian Creek, Mel Henderson Ranch. 1002 Comment
  RSA163823  Carex multicaulis Clare B. Hardham 1961-6-14 7349 Placer Route 40, near Baxter. Comment
  CAS-BOT-BC32273  Carex multicostata John Thomas Howell 1943-7-21 18641 Placer Donner Pass to Mt. Lincoln Comment
  UCD74094  Carex multicostata Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 185 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2218 Comment
  UCD75690  Carex multicostata Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5139 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
  CHSC74012  Carex nebrascensis Susi Urie 1998-8-18 98 -073 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  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
  CHSC74301  Carex nebrascensis Susi Urie 1998-8-29 98 -172 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC74302  Carex nebrascensis Susi Urie; Eric Schroder 1998-9-10 98 -329 Placer Lake Tahoe Basin. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  SEINET7568687 Image available Carex nebrascensis L. P. Janeway 2004-8-18 8247 Placer Homewood 7.5' quad. Northern High Sierra Nevada, between Blackwood Canyon Road and Blackwood Creek 2.7 km west from Hwy 89 and west shore of Lake Tahoe. 1945 Comment
  CAS-BOT-BC119847  Carex nebrascensis John Thomas Howell 1938-8-2 14004 Placer 5 mi N of Brockway. Comment
  JEPS111264  Carex nervina Steve Matson 2005-9-11 1522 Placer Tahoe west shore, technically just outside the Tahoe Basin, 800 meters northwest of Barker Pass/PCT trailhead, where PCT crosses stream. 39.0789N 120.2417W; elevation 8,033 ft. 2448 Comment
  UCD80257  Carex nudata CNPS SN Foothill Team 2005-4-13 SNFN 0107 b Placer Placer Legacy, 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
  SD167386  Carex obnupta Darley F. Howe 1951-5-2 Placer 456 Comment
  CHSC74294  Carex pellita Susi Urie; Eric Schroder 1998-9-11 98 -346 Placer Lake Tahoe Basin Management Unit, National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  RSA43382  Carex pellita J. T. Howell 1943-7-22 18715 Placer Summit Valley. Comment
  UCD43923  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1289 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR120496  Carex pellita George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5062 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  CAS-BOT-BC119032  Carex pellita John Thomas Howell 1938-8-2 13998 Placer 5 miles N of Brockway. Comment
  UCD43367  Carex phaeocephala C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 735 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC809  Carex praegracilis H. N. Bolander 1865-4-11 4550 Placer near Auburn Comment
  SEINET7574996 Image available Carex scopulorum var. bracteosa Unknown 2003-8-24 7969 Placer Homewood 7.5' quad, Northern High Sierra Nevada. Just below the Pacific Crest Trail 2.1 km (air) north of Barker Pass, head of small drainage into North Fork Blackwood Creek. 2365 Comment
  CDA13685  Carex simulata G. F. Hrusa, J. Glazner 1997-8-3 14045 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC74307  Carex simulata Susi Urie 1998-9-2 98 -202 Placer Lake Tahoe Basin Management Unit. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  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-BC116553  Carex subfusca John Thomas Howell 1943-7-27 18871 Placer Lake Tahoe near Tahoe Pines. Comment
  CHSC68064  Carex subfusca James D. Jokerst 1986-7-12 2693 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  CHSC74313  Carex subfusca Susi Urie 1998-8-17 98 -052 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC85755  Carex subfusca G. F. Hrusa; J. Glazner 1999-7-17 15178 Placer Martis Valley. Off Hwy 267, s of Truckee. 1889 Comment
  OBI22635  Carex subfusca Robert F. Hoover 1967-9-7 10855 Placer Antone Meadow Comment
  UCR191096  Carex subfusca George K. Helmkamp, E. A. Helmkamp 2007-6-12 12324 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UC1147789  Carex tumulicola Alice Eastwood, John Thomas Howell 1937-5-8 4363 Placer between Newcastle and Penryn Comment
  CAS-BOT-BC115398  Carex utriculata L. S. Smith 1927-8-11 2201 Placer Squaw Valley 1889 Comment
  JEPS63520  Carex utriculata W. L. Jepson 1934-8-7 16881 Placer near Squaw Creek; Truckee River Comment
  UC710519  Carex utriculata Lewis S. Rose 1944-7-25 44244 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UCD43068  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 436 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD140949  Carex utriculata L. S. Smith 1916-6-20 642 Placer Lake Tahoe. Sierra Nevada. Comment
  RSA0115170  Carex vesicaria Lyman Benson 1942-7-2 11269 Placer Highway junction 1 mile west of Truckee. Mt. Range: Sierra Nevada. 1828 Comment
  CAS-BOT-BC114925  Carex whitneyi John Thomas Howell 1943-7-27 18875 Placer Lake Tahoe near Tahoe Pines. Comment
  CAS-BOT-BC248951  Castilleja Lewis S. Rose 1944-7-10 44050 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  UCR206835  Castilleja affinis var. affinis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15211 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  CDA19534  Castilleja applegatei M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 247 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  CAS-BOT-BC249699  Castilleja applegatei subsp. pinetorum Marcus E. Jones 1930-7-10 25530 Placer Lake Tahoe Comment
  CAS-BOT-BC249705  Castilleja applegatei subsp. pinetorum Alice Eastwood 1909-1-1 59 Placer Lake Tahoe Region, Sunnyside Comment
  RSA569210  Castilleja applegatei subsp. pinetorum Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCR250352  Castilleja applegatei subsp. pinetorum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20494 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
  CDA36915  Castilleja attenuata CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA36985  Castilleja attenuata CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCD122325  Castilleja attenuata M. H. Mills 1996-4-12 130 Placer 5830 Walden Lane, Loomis. 180 Comment
  SEINET3245842  Castilleja foliolosa G. K. Helmkamp, E. A. Helmkamp 2007-1 11715 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road at the junction with the unnamed road to Lake Clementine. 457 Comment
  UCD122501  Castilleja foliolosa G. K. Helmkamp; Elizabeth Helmkamp 2007-3-25 11715 Placer Northern Sierra Nevada Mountains: Forest Hill Road at the junction with the unnamed road to Lake Clementine. 457 Comment
  UCR173271  Castilleja foliolosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10435 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
  JEPS16348  Castilleja miniata Peter H. Raven 1956-8-4 9994 Placer 1.0 mi from Blue Canyon (on the road to Emigrant Gap); Sierra Nevada Comment
  RSA448749  Castilleja miniata Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  CHSC73995  Castilleja miniata subsp. miniata Susi Urie 1998-8-25 98 -095 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SBBG12402  Castilleja miniata subsp. miniata E. R. Blakley 1960-9-2 3803 Placer mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  UCD44427  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1793 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44455  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1821 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
  POM286330  Castilleja pilosa Lyman Benson 1942-7-2 11253 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  SD114371  Castilleja pilosa Darley F. Howe 1971-7-2 4759 Placer Near Lake Tahoe, El Dorado National Forest 1890 Comment
  CHSC20423  Castilleja pruinosa S. A. Harrison 1971-4-12 15 Placer Found at junction of Chub Road and R. R. tracks, ca 4-5 mi ne of Auburn. Comment
  HSC30730  Castilleja pruinosa Thomas W. Nelson, James Nelson 1974-6-17 1365 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer/Nevada Co. line Comment
  POM42519  Castilleja pruinosa Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UCR172648  Castilleja pruinosa George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10199 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  CDA15979  Castilleja tenuis G. F. Hrusa, J. Glazner 1999-7-17 15161 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS4341  Castilleja tenuis W. L. Jepson 1931-6-16 15929 Placer Tahoe Vista; Lake Tahoe 2042 Comment
  OBI9365  Castilleja tenuis Robert F. Hoover 1967-9-5 10841 Placer Carnelian bay, Lake Tahoe Comment
  UCD162560  Castilleja tenuis Steve Matson 1999-7-28 354 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dry meadow east of main bog. 1920 Comment
  UCD21601  Castilleja tenuis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1266 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  CHSC106017  Ceanothus William Williams 1986-6-15 Placer Norden. Hill at top of ski lift. Comment
  UC2014174  Ceanothus William Williams 1986-6-15 s.n. Placer Placer County: Norden. Hill at top of ski lift. Comment
  CAS-BOT-BC47853  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Lake Tahoe - Chambers Lodge (McKinney) 1900 Comment
  CAS-BOT-BC47858  Ceanothus cordulatus Alice Eastwood 1909-1-1 s.n. Placer Sunnyside Comment
  CAS-BOT-BC47860  Ceanothus cordulatus Alice Eastwood 1906-7-23 1045 Placer Glen Alpine Road Comment
  CAS-BOT-BC47900  Ceanothus cordulatus H. E. McMinn 1926-5-29 1752 -B Placer At Crystal Lake - slope above - road to Truckee 3 mi west of Cisco Hotel Comment
  RSA634244  Ceanothus cordulatus Robert M. Rhode, B. Nemeth 1997-6-26 168 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
  UC18249  Ceanothus cordulatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3248 Placer near Tahoe (along Truckee River); Truckee River Basin Comment
  UC569782  Ceanothus cordulatus N. French 1934-5-24 361 Placer nfork of American River Colfax quad 1341 Comment
  UCD22206  Ceanothus cordulatus Rex Palmer 1979-6-21 N 398 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22207  Ceanothus cordulatus Rex Palmer 1979-5-26 N 26 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR242330  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16660 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  CAS-BOT-BC64448  Ceanothus diversifolius Brandegee 1889-4-1 44 Placer Dutch Flat. Comment
  UCD22199  Ceanothus fresnensis Beth Lowe Corbin 1982-8-4 215 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 20% inclination. Full sun. Locally common. In opening in montane chaparral, inrocky, fine, sandy, granitic soil. Low, compact, rigidly branched shrub. Light dry bark, reddish twigs and fruit. Less than 1 ft tall, 3 ft across. 1950 Comment
  UCD22200  Ceanothus fresnensis Rex Palmer 1979-5-27 N 82 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC50755  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  SACT002926  Ceanothus integerrimus Michael Baad 1983-4-9 Placer Collected along roadside. 0.2 mile south from Auburn-ForestHill Highway. 6 miles east of bridge over American River, south-facing slope. Comment
  SEINET177897  Ceanothus integerrimus Marcus E. Jones 1882-5-28 2656 Placer Emigrant Gap Comment
  UC1070709  Ceanothus integerrimus N. French 1934-5-24 69 Placer N. Fork of N. Fork American River Colfax quad., Tahoe National Forest 1341 Comment
  UC870586  Ceanothus integerrimus Marcus E. Jones 1882-4-28 2656 Placer Emmigrant Gap Comment
  UCD164646  Ceanothus integerrimus Brandi Sorensen 1995-6-1 21 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD21954  Ceanothus integerrimus Brian Vanden Heuvel 2002-7-3 159 Placer Tahoe National Forest. 1.2 road miles WSW of Foresthill on Forest Service Road 96. Large population on north side of road on steep hillside. Comment
  SEINET13945947 Image available Ceanothus integerrimus Susie M. Peers 1946-1 s.n. Placer Shirttail Canyon, near Forest Hill. Comment
  CDA14273  Ceanothus integerrimus var. macrothyrsus F. G. Andrews, T. Eichlin 1998-6-12 s.n. Placer Sierra Nevada; 6.5 mi. NE of Foresthill on Mosquito Ridge. 1304 Comment
  CAS-BOT-BC63355  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63400  Ceanothus prostratus John H. Thomas; Hazelle A. Thomas 1956-7-21 6225 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 mi. ne. of Sacramento. 2377 Comment
  POM260169  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer 1 mile west of Baxter. Comment
  UC80014  Ceanothus prostratus Katharine Brandegee 1889-4 76 Placer Blue Canyon Comment
  UC870635  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer ca 1 mi w Baxter; w of Baxter Comment
  UCD162753  Ceanothus prostratus Dylan O. Burge; J. Bisbee 2014-5-25 1632 Placer Bear River watershed, roadside on California State Route 20. 1340 Comment
  UCR260825  Ceanothus prostratus M. Kauffman 1997-5-18 17 Placer Sierra Nevada Mtns., 0.1 mile from Indian Springs Trailhead on Eagle Lakes Road 1768 Comment
  CAS-BOT-BC52147  Ceanothus pumilus Amelie Blyth 1952-5-11 904 Placer one mile north of Forest Hill Comment
  POM204426  Ceanothus tomentosus Hamilton Peers 1933-5-12 s.n. Placer Colfax 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
  CAS-BOT-BC52883  Ceanothus tomentosus var. tomentosus H. E. McMinn 1926-5-29 1708 Placer 10.6 mi. west of Crystal Springs Comment
  CAS-BOT-BC52401  Ceanothus velutinus var. velutinus Sachs 1922-7-1 s.n. Placer Lake Tahoe Comment
  CDA33856  Centaurea maculosa Keith Kohler 2010-9-22 PDR# 1379998 Placer Near Truckee & Northstar-at-Tahoe; Big Spring Drive near Gray Wolf Road, close to Nevada County line. 0 Comment
  CAS-BOT-BC277037  Centaurea maculosa T. C. Fuller 1964-9-1 12569 Placer N. side of freeway, Interstate 80 from Donner Summit, just e. of Hampshire Rocks, Sierra Nevada 1828 Comment
  CDA7270  Centaurea maculosa T. C. Fuller 1965-8-1 13944 Placer Sierra Nevada; Sierra Nevada. South side of the westbound lanes of Interstate 80 freeway, 0.1 mile east of Blue Canyon Road. Comment
  UCR146861  Centaurea repens Beecher Crampton 1972-7-26 8851 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  CDA39018  Centaurea solstitialis D. G. Kelch 2011-10-2 11 .811 Placer Gold Run rest stop. 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
  SDSU7110  Centaurium tenuiflorum D. F. Howe 1961-8-8 3137 Placer By canal 4 miles north of Auburn. 457 Comment
  UC1980588  Centaurium tenuiflorum C. Rose Broome 1978-8-2 2308 Placer 2.1 mi S of Old Auburn on Auburn-Folsom Highway. Comment
  CAS-BOT-BC288616  Centromadia fitchii L. R. Abrams 1927-9-13 12153 Placer Lincoln Highway 11 miles E of Auburn Comment
  CHSC96322  Centromadia fitchii L. P. Janeway 2006-8-24 8874 Placer Sacramento Valley. Along Hwy 193 about 3.5 km north of Lincoln. 41 Comment
  CHSC67848  Centunculus minimus James D. Jokerst 1986-4-14 2624 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. In vernal pools in annual grassland with mima mounds. Comment
  UC195817  Cerastium arvense C. F. Sonne 1888-7-21 Placer w. slope Washoe Mts. (border Ca & Nevada) Comment
  NY418580  Cerasus kelloggiana M. E. Jones 1882-6-28 2693 Placer Emigrant Gap. Comment
  CAS-BOT-BC179376  Cercis occidentalis Saichi Kawahara 1969-5-25 1037 Placer Colfax - Town Hill Road, near B.M. 2393, 'Nigger' George Ravine 729 Comment
  CAS-BOT-BC207588  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  SBBG29887  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer Meier Ranch, ca. 6 mi N of Colfax 762 Comment
  UC192359  Cercis occidentalis Mrs. M. E. P. Ames 1885-1 2089 Placer Auburn Comment
  UC863548  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  SEINET11826500  Chaenactis douglasii Unknown 1972-1 s.n. Placer French Meadows 1524 Comment
  CAS-BOT-BC276713  Chaenactis douglasii var. douglasii Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  CAS-BOT-BC276714  Chaenactis douglasii var. douglasii F. Almeda 1993-7-24 7275 Placer About 15 miles SE of Interstate Highway #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  UC894474  Chaenactis glabriuscula var. heterocarpha C. L. Hitchcock 1940-5-15 6405 Placer 6 mi n of Colfax Comment
  NY163286  Chaenactis rubricaulis H. A. Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada 1970 Comment
  CAS-BOT-BC141729  Chamaebatia foliolosa Ella Dales Cantelow 1937-7-11 4295 Placer Alta Comment
  UCD112924  Chamaebatia foliolosa R. Bladin 1992-6-7 13 Placer Forest Hill near parket lot. 975 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
  RSA90079  Chamaebatia foliolosa Marcus E. Jones 1882-6-28 3297 Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UC570790  Chamaesyce maculata H. L. Mason 1929-10-4 5451 Placer 1.5 mi above Auburn Comment
  UC128212  Chamaesyce serpyllifolia Miss Harriet A. Walker 1908-7-25 1390 Placer Cisco 1810 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
  UCD69353  Cheilanthes gracillima S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  JEPS89857  Cheilanthes gracillima Dean William Taylor 1971-7-22 1110 Placer on trail to Snow Mt. (ca. 3 mi. n. of Snow Mt.) 2133 Comment
  CAS-BOT-BC451416  Chimaphila menziesii Ethel Hand; Harry Hand 1917-7-1 s.n. Placer Cisco Comment
  UCD57934  Chloris verticillata Beecher Crampton 1967-7-26 8164 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80W, junction of Meadow Vista Road. 487 Comment
  SD72044  Chondrilla juncea John Thomas Howell 1966-7-29 42033 Placer 1.0 mile northeast of Loomis. 120 Comment
  UCR241740  Chondrilla juncea George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19814 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  CDA33066  Chondrilla juncea CDFA staff Placer Rocklin. 0 Comment
  UCR231867  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17018 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  CAS-BOT-BC190015  Cinna latifolia H. N. Bolander 1869-6-1 s.n. Placer Bear Valley (Emigrant Gap Site). Comment
  SACT000749  Cinna latifolia D. Meyer 1984-7-29 Placer 1661.0 Comment
  POM46097  Circaea alpina subsp. pacifica Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UCR177006  Cirsium George K. Helmkamp, E. A. Helmkamp 2005-10-1 9974 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  CAS-BOT-BC289612  Cirsium andersonii Mary P. Wells 1980-9-12 s.n. Placer West of Pioneer Way Tahoe City 1981 Comment
  CHSC11047  Cirsium andersonii Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  UCD107267  Cirsium andersonii Chuck Hughes 2010-7-13 234 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  CDA32835  Cirsium douglasii CDFA Staff Placer Rocklin: Sierra College Blvd. 0 Comment
  UCR231858  Cirsium vulgare George K. Helmkamp, E. A. Helmkamp 2010-8-11 16761 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  CAS-BOT-BC228894  Cistanthe umbellata Lowell Ahart 1964-7-4 s.n. Placer On trail to Placer Queen Mine 1828 Comment
  CAS-BOT-BC228893  Cistanthe umbellata Barry Hammel; Teddi Hammel 1976-5-27 232 Placer Ca. 1 mile on rd. off I-80 near mile post 170 1737 Comment
  CAS-BOT-BC162649  Clarkia John Thomas Howell; Gordon H. True 1971-5-26 47625 Placer Northern limits of Lincoln 48 Comment
  SD241110  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 (Michigan Bluff 7.5'Q) 502 Comment
  UCR218238  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16441 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  UCR218446  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16423 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  CAS-BOT-BC163365  Clarkia purpurea subsp. purpurea Gordon H. True 1971-7-2 6863 Placer Northern outskirts of Lincoln 48 Comment
  CAS-BOT-BC163361  Clarkia purpurea subsp. purpurea W. A. Weber; Lewis S. Rose 1953-5-19 8384 Placer 5 mi. n. of Roseville on road to Lincoln 45 Comment
  UC217471  Clarkia purpurea subsp. purpurea H. M. Hall 1917-3-9 10291 Placer just above Lincoln; Sacramento Valley Comment
  UCR173272  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10436 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
  UCD21990  Clarkia rhomboidea Beth Lowe Corbin 1982-8-4 216 Placer 1/4 mile NW of Onion Creek campground. 1950 Comment
  POM250666  Clarkia rhomboidea Lincoln Constance 1938-6-8 2287 Placer 3 miles north of Nevada City, Sierra Nevada foothills 762 Comment
  UCR218228  Clarkia unguiculata George K. Helmkamp, E. A. Helmkamp 2010-6-26 16409 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  POM37811  Clarkia williamsonii Marcus E. Jones 1882-7-3 3341 Placer Colfax. Comment
  CAS-BOT-BC451735  Claytonia lanceolata Betty H. Jorgensen 1944-6-24 490 Placer Cascade Lakes, ca. 6 miles sw. of Soda Springs Comment
  CAS-BOT-BC229138  Claytonia parviflora subsp. grandiflora Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4013 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  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
  UCR234215  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2011-4-10 17173 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  RSA22507  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 miles SE of Loomis. 152 Comment
  UC1540470  Clematis lasiantha Annetta Carter 1937-4-25 1248 Placer 6 1/2 mi. s.e. Loomis (between Folsom and Auburn) 152 Comment
  SEINET12087594  Clematis lasiantha Unknown 1937-1 1249 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis, 152 Comment
  SEINET12087595  Clematis lasiantha Unknown 1937-1 1248 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis 152 Comment
  UCD41456  Collinsia Ellen Dean; Davis Botanical Society 2003-5-17 1759 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 Street. 1066 Comment
  POM49315  Collinsia parviflora Marcus E. Jones 1882-6-27 3293 Placer Emigrant Gap. Comment
  CDA36880  Collinsia sparsiflora CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  RSA21254  Collinsia sparsiflora var. collina Carl B. Wolf 1937-3-30 8368 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  POM49312  Collinsia tinctoria Marcus E. Jones 1882-7-3 3433 Placer Colfax. Comment
  SCFS1209  Collinsia torreyi E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  UCD42933  Collinsia torreyi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 302 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR198121  Collinsia torreyi Rex Palmer 1979-6-21 N 370 Placer Sierra Nevada Mtns., Headwaters Basin Area of the North Fork of the American River, Tinker Knob west ridge Comment
  UC147574  Collinsia torreyi var. torreyi Harriet A. Walker 1908-6-23 1238 Placer Blue Canyon 1432 Comment
  UCD21870  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 265 Placer Headwaters basin area of the North Fork of the American River Comment
  UC1123648  Collomia heterophylla N. French 1934-6-15 413 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UC1334175  Collomia heterophylla Thomas Morley 1946-5-31 597 Placer 300 yd ne Masonic Cemetary (shallow gully near small stream); Dutch Flat 1005 Comment
  UCR115099  Collomia heterophylla G. Fred Hrusa 1995-5-20 s.n. Placer 1 km east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  JEPS71047  Collomia heterophylla L. S. Smith 1925-6-4 1622 Placer Forest Hill Tahoe National Forest 762 Comment
  SEINET3163558  Collomia linearis G. B. Grant 1906-7-15 P 2 Placer about Lake Tahoe 2438 Comment
  RSA795082  Collomia tinctoria George K. Helmkamp, E. A. Helmkamp 2011-8-26 18169 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat. 2041 Comment
  SEINET9287480  Collomia tinctoria Unknown 2000-7-1 15598 Placer Summit Village, Truckee Comment
  POM9886  Corallorhiza maculata E. Keyes 1920-8-21 s.n. Placer Lake Tahoe, Mt. Ellis [=Ellis Peak?] Comment
  UC147584  Corallorhiza striata Harriet A. Walker 1908-6-23 1221 Placer Blue Canyon 1432 Comment
  JEPS103943  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold run Comment
  JEPS74318  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1974-8-2 7468 Placer just e Alta Lake; Alta Comment
  SEINET3386356 Image available Cordylanthus tenuis subsp. tenuis G. K. Helmcamp, E. A. Helmkamp 2006-8-11 11212 Placer Northern Sierra Nevada Mtn Foothills: along Forest Hill Rd, 8.7 mi NE of Forest Hill 1311 Comment
  UCR231828  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16770 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  JEPS86720  Cordylanthus tenuis subsp. tenuis Kristin Berry 1987-7-11 Placer 100 yd n Squaw Creek; Shirley Canyon Comment
  RSA16972  Cordylanthus tenuis subsp. tenuis R. S. Woglum 1934-08 s.n. Placer Lake Tahoe. [Placer or El Dorado County] Comment
  CAS-BOT-BC209872  Cornus nuttallii Lowell Ahart 1964-7-3 s.n. Placer Near Placer Queen Mine 1524 Comment
  CAS-BOT-BC212145  Cornus sericea Carl B. Wolf 1930-10-10 987 Placer 1 mile est of Cisco, Sierra Nevada 1828 Comment
  JEPS126343  Cornus sericea subsp. sericea Steve Matson 1998-9-1 394 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
  UC1122810  Cornus sericea subsp. sericea N. French 1933-9-14 99 Placer Greek Store Tahoe Nat'l Forest, Colfax Quad., Greek Store Comment
  UCD117335  Cornus sericea subsp. sericea G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12632 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCR201516  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2008-8-20 14020 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  CDA16981  Cornus sessilis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16030 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCR146867  Cornus sessilis Beecher Crampton 1973-10-2 9020 Placer Sierra Nevada Mountains, Baxter along Canyon Creek 1220 Comment
  UCD72956  Corydalis caseana subsp. caseana Albert Grigarick 2008-6-17 15 Placer Vicinity of Cabin Creek Rd., west of Hwy. 89, SE of Donner Lake. Driving directions: Int. 80 east to Hwy. 89 south to Cabin Creek Rd.; rt. turn on paved road and continue to 1st left turn on dirt road; stay left for 0.6 mi.; first turn off to left after crossing Cabin Crk. 1908 Comment
  UCD124140  Corylus cornuta subsp. californica Ellen Dean; Davis Botanical Society members 2012-10-13 7514 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. Comment
  CAS-BOT-BC287203  Cota tinctoria Beecher Crampton 1972-7-26 8853 Placer Carpenter Flat E of Emigrant Gap, above meadow and just downslope from a cabin 1615 Comment
  CAS-BOT-BC427925  Crassula solieri Gordon H. True 1971-4-9 6458 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC427940  Crassula tillaea John Thomas Howell; Gordon H. True 1972-3-17 7085 Placer Northern outskirts of Lincoln 48 Comment
  CAS-BOT-BC290350  Crepis acuminata Margaret Williams 1974-8-8 74 -Pl-35 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  JEPS126418  Crepis capillaris Steve Matson 2002-7-5 558 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  CAS-BOT-BC291525  Crepis intermedia Alice Eastwood 1909-1-1 57 Placer Sunnyside, Lake Tahoe Region Comment
  JEPS111209  Cryptantha affinis Steve Matson 2005-7-4 1365 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
  UC1063927  Cryptantha affinis B. Bolt 1934-7-17 127 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 Comment
  SDSU5399  Cryptantha flaccida D. F. Howe 1965-5-20 4056 Placer 3.5 miles north of Auburn. 457 Comment
  CAS-BOT-BC218775  Cryptantha humilis John Thomas Howell 1943-7-26 18845 Placer Mt. Lincoln Comment
  UCR218126  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 2010-6-26 16401 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCD75697  Cryptantha watsonii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5146 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
  SCFS1154  Cuscuta E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #2. Comment
  UC205124  Cuscuta californica Katharine Brandegee Aug 1917 Placer Cisco Comment
  UCD126296  Cuscuta howelliana F. T. Griggs 1978-5-19 s.n. Placer 300 meters west of junction with Karchner Road, 1.7 miles east of Sheridan. Comment
  JEPS103312  Cuscuta suksdorfii Lowell Ahart 2002-7-22 9885 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
  UCD21637  Cymopterus terebinthinus var. californicus Rex Palmer 1979-6-21 N 418 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT000828  Cynodon dactylon D. Meyer 1984-5-6 Placer 145.5 Comment
  SEINET12568082  Cynoglossum grande B. M. Cunningham 1960-3-19 s.n. Placer Monte Viste Inn. on Hwy 40 detour. 1219 Comment
  JEPS99470  Cynoglossum occidentale Steve Matson 1998-8-21 380 Placer Tahoe Vista, 200 m SW of western terminus of North Ave. Tahoe Basin, Snow Creek watershed Comment
  SACT000850  Cynosurus echinatus Michael Baad 1983-5-5 Placer One mile north of placer Hills Road on Milk Ranch Road. 2 miles from Colfax, open hillside, north-facing slope. 609.6 Comment
  SD260155  Cynosurus echinatus George K. Helmkamp, Mary Alice Barnes 2015-5-3 20478 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92a^z) of Foresthill (Forest Hill 7.5'Q) 829 Comment
  UCD36680  Cynosurus echinatus Beecher Crampton 1955-6-15 2920 Placer Placer County, 8 miles west of Forest Hill. Comment
  UCR258211  Cyperus eragrostis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20045 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  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
  UCD39019  Cytisus scoparius Beecher Crampton 1960-11-2 5792 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  SACT000873  Dactylis glomerata D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT000885  Danthonia californica var. americana Michael Baad 1983-8-27 Placer 2072.64 Comment
  CAS-BOT-BC194410  Danthonia intermedia L. S. Smith 1926-6-23 1976 Placer Squaw Valley, Tahoe Forest 1889 Comment
  CAS-BOT-BC194417  Danthonia intermedia Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows - Sierra Nevada 1600 Comment
  UCD102615  Darmera peltata A. S. Crafts 1926-5-1 803 Placer American River Canyon Comment
  SEINET6647468  Dasiphora fruticosa P. B. Kennedy, S. B. Doten 1901-8-10 275 Placer Summit of Tinker Knob. Comment
  UCR194705  Daucus carota George K. Helmkamp, E. A. Helmkamp 2007-10-28 13104 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  UCR233273  Daucus carota George K. Helmkamp, E. A. Helmkamp 2011-7-9 17676 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CAS-BOT-BC173277  Delphinium Saichi Kawahara 1969-5-24 876 Placer East of cabin near mine shaft, Mel Henderson Ranch, east bank of Indian Creek 1002 Comment
  POM265558  Delphinium decorum C. L. Hitchcock 1940-5-7 6334 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC8777  Delphinium gracilentum Carlton Elmer Purdy 1933-1-1 s.n. Placer Cisco Comment
  UCD80699  Delphinium gracilentum CNPS SN Foothill Team 2005-4-26 SNFN 0182 b Placer CDPR, Auburn State Recreation Area, about a half kilometer north of Robie Point. 272 Comment
  UCD95774  Delphinium hansenii H. Lewis; C. Epling 1941-5-24 s.n. Placer Auburn. 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
  JEPS72341  Delphinium nuttallianum Gladys L. Smith 1972-6-20 3244 Placer steep slope just below Ward Peak Summit 2628 Comment
  UC1125981  Delphinium nuttallianum N. French 1934-5-24 364 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle Comment
  UC854218  Delphinium nuttallianum A. A. Heller 1917-6-17 12700 Placer near river below Cisco; Yuba river 1676 Comment
  UCD75696  Delphinium nuttallianum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5145 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
  CAS-BOT-BC116437  Delphinium patens subsp. patens L. S. Smith 1927-8-5 2154 Placer Robertson Flat, Forest Hill 2346 Comment
  RSA21432  Delphinium variegatum Carl B. Wolf 1937-5-12 8612 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  UC112869  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer Magra Station Comment
  SEINET5339596  Dendromecon rigida L. Miller 1934-4-29 s.n. Placer Along highway, above Auburn. Comment
  SEINET5339604  Dendromecon rigida K. Brandegee s.n. Placer Magra station between Cape Horn and Alta. Comment
  SACT000905  Deschampsia cespitosa D. Meyer 1983-8-20 Placer Moist roadside meadow with vegetation following residential construction. 2000.0 Comment
  UCD43275  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 643 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44442  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1808 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA187451  Deschampsia danthonioides Le Roy Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  SACT000914  Deschampsia danthonioides Michael Baad 1983-7-11 Placer 3.5 miles southeast of Emigrant Gap and continuing towards Black Mountain to the west edge. Starting .1 mile south off Black Mountain Road. Comment
  SEINET3927716  Deschampsia danthonioides K. Thorne, J. Chandler 1987-6-26 5437 Placer Truckee River.; 0 Comment
  UCD22247  Deschampsia danthonioides Beth Lowe Corbin 1982-8-4 220 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 15% inclination. Locally abundant. Full sun. Opening in montane chaparral in rocky, fine, sandy, granitic soil. Annual. 1950 Comment
  UCD96974  Deschampsia danthonioides Chuck Hughes 2010-7-13 237 Placer Within 50 ft of north side of Alpine Meadows Road. 1899 Comment
  SACT000941  Deschampsia elongata D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  SD103538  Deschampsia elongata Darley Howe 1978-7-15 5076 Placer Along state highway 20; 29 miles west of Truckee 1646 Comment
  UCD43956  Deschampsia elongata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1322 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC39721  Descurainia Alice Eastwood 1912-6-15 494 Placer Lake Tahoe Region. Deer Park. Comment
  CAS-BOT-BC39744  Descurainia californica Margaret Williams 1974-8-8 74 -P1-19 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  JEPS126368  Descurainia californica Steve Matson 2000-7-6 471 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north Highway 267, near East Martis Creek. Comment
  UC128272  Descurainia incana Miss Harriet A. Walker 1908-7-25 1425 Placer Cisco 1798 Comment
  UCD42841  Descurainia incana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 207 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC43029  Descurainia incisa subsp. incisa Peter Rubtzoff 1976-9-19 8877 Placer Sierra Nevada. Lake Van Norden. 2063 Comment
  CDA11984  Dicentra formosa G. F. Hrusa 1995-5-2 12165 Placer Sierra Nevada; Mosquito Ridge Rd., approx. 5 km. beyond crossing of North Fork of Middle Fork of the American River. Comment
  UCD164615  Dicentra formosa Brandi Sorensen 1995-5-17 9 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD23418  Dicentra formosa Alan B. Chan 1977-5-28 34 Placer Purple flowers, bilabiate corolla, in part shade. Collected 20 miles NE of the Auburn Forest Hill Bridge on Auburn Forest Hill Road towards Michigan Bluff. Mixed evergreen forest. Comment
  UCR207861  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14568 Placer Sierra Nevada Mountains Foothills, town of Foresthill, along Forest Hill Road 988 Comment
  CAS-BOT-BC402449  Dicentra formosa subsp. formosa Saichi Kawahara 1969-5-24 864 Placer Mel Henderson Ranch, Strawberry Flat 1002 Comment
  CAS-BOT-BC402450  Dicentra formosa subsp. formosa Marcus E. Jones 1882-6-28 3302 Placer Emigrant Gap Comment
  CAS-BOT-BC402584  Dicentra uniflora Elizabeth McClintock; Wayne Roderick 1968-5-17 s.n. Placer Cisco Grove, northern Placer County Comment
  SEINET239024 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1972-7-26 8863 Placer Gold Run rest stop along Interstate 80. 914 Comment
  UCR207890  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14573 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCR218134  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16384 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  RSA333558  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 37 Placer Approximately 0.5 mile NE of the Douglas Blvd/Sierra Gardens Drive Intersection. 180 Comment
  RSA333561  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 40 Placer E side of State Route 65, 1.5 miles N of Gladding Road intersection, (1.16 miles N of Markham Ravine). 140 Comment
  POM109908  Dichelostemma multiflorum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  JEPS8660  Digitalis purpurea Rimo Bacigalupi 1952-7-19 3867 Placer 2.5 mi e Iowa Hill (near Monona Flat, not far from old habitation, on ridge between Indian Creek and North Fork of the American River) 990 Comment
  SBBG115821  Digitaria ischaemum B. Crampton 1965-9-13 7498 Placer Gold Run, Interstate 80 975 Comment
  SACT000967  Digitaria sanguinalis Josephine Van Ess 1976-9-6 Placer Fiddyment Road. Collected near Pistachio orchard. 27.4 Comment
  UCD32976  Digitaria sanguinalis Beecher Crampton 1965-9-13 7495 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  SJSU4077  Diplacus grandiflorus C. W. Sharsmith 1965-6-12 7398 Placer on divide between N Fork & Middle Fork American R c. 8 mi E of Michigan Bluff 1219 Comment
  SBBG128856  Diplacus mephiticus G. K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Forest Hill Rd, 1.8 mi E of Forest Route 13/American Hill Rd 1662 Comment
  CHSC11108  Diplacus torreyi Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  SBBG25479  Diplacus torreyi C. B. Hardham 1961-6-14 7356 Placer Baxter, US Hwy 40 1066 Comment
  SEINET192850  Diplacus torreyi Lewis S. Rose 1941-1 41305 Placer Chamber's Lodge (McKinney), Lake Tahoe 1920 Comment
  CAS-BOT-BC151682  Diplacus torreyi Rimo Bacigalupi; Alex Hawkes; Juan Hunziker; G. L. Stebbins; Daniel Zohary; Howard Stutz; Friedrich Ehrendorfer 1952-7-19 3862 Placer Near site of Monona Flat, on ridge between Indian Creek and North Fork of the American River, about 2 1/2 miles est of Iowa Hill 990 Comment
  CAS-BOT-BC151380  Diplacus tricolor Mrs. H. C. Cantelow 1940-5-13 s.n. Placer 6 mi. S.E. of Wheatland Comment
  RSA300475  Disporum hookeri var. hookeri John Dourley, Walter Wisura 1982-10-13 3857 Placer 1.7 mi SW of Emigrant Gap along forestry rd. 19 1524 Comment
  RSA367632  Disporum hookeri var. hookeri William Martin 1971-9-10 20255 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  SACT000990  Distichlis spicata var. nana Josephine Van Ess 1976-8-18 Placer Collected in vicinity of salt spring on Ferarria ranch. Salt Marsh. Comment
  LA83368  Dodecatheon alpinum O. H. Kappler; 1946-7-18 sn Placer Homewood, W shore, Lake Tahoe 1920 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
  SEINET8561983  Dodecatheon hendersonii W. D. Billings 1939-3-19 1200 Placer 10 miles NW of Auburn. Comment
  UC914245  Dodecatheon hendersonii Verne Grant, Alva Grant 1946-3-10 7683 Placer on Lincoln Road e Loomis (gentle n slope); e of Loomis Comment
  HSC29520  Downingia bicornuta C. B. Wolf 1937-5-12 8615 Placer Near Lincoln. 46 Comment
  JEPS103658  Downingia bicornuta var. picta Lisa Schultheis 1995-5-22 167 -95 Placer On the MacClelland Air Force Base Lincoln antennae site. W of Lincoln, on Moore Road between Dowd and Brewer Roads Comment
  UC149012  Downingia montana H. M. Hall 1910-7-3 8736 Placer near Emigrant Gap; Sierra Nevada Mountains 1645 Comment
  RSA21272  Downingia ornatissima C. B. Wolf 1937-5-12 8615 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  JEPS43776  Downingia ornatissima var. ornatissima Lynn Gould 1962-4-17 54 Placer 6 mi w Roseville (on P.F.E. Road) Comment
  UC147857  Draperia systyla Harriet A. Walker 1908-6-24 1361 Placer Blue Canyon 1432 Comment
  UCR206725  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2009-7-16 15192 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCR240924  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2012-6-19 19251 Placer Northern Sierra Nevada Mountains, Foresthill Road, 5.2 miles east of Devil's Thumb Road 1773 Comment
  RSA129729  Draperia systyla G. T. Nordstrom 1934-6-19 112 Placer 1/2 mile N.E. of Mouth of Monumental Creek; Colfax 1463 Comment
  LA29326  Drymocallis glandulosa var. reflexa Mary V. Hood; 1948-7-20 48- 27 k* Placer Sugar Bowl Lodge, Nordon 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
  CAS-BOT-BC157898  Drymocallis lactea var. lactea Lewis S. Rose 1963-7-11 63212 Placer Tahoma, Lake Tahoe 1915 Comment
  UC570063  Dudleya cymosa G. T. Nordstrom 1934-6-18 107 Placer n slope Texas Hill; Colfax Quadrangle 1584 Comment
  SD95158  Dudleya cymosa Jeannette V. Taylor 1974-5-23 48 Placer 8.7 miles west of Placer County Big Tree Grove. 609 Comment
  CAS-BOT-BC428058  Dudleya cymosa subsp. cymosa Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  UCR194955  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12039 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  UCR241763  Dysphania botrys George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19798 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
  CHSC81779  Dysphania pumilio Lowell Ahart 2001-10-10 9343 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  SACT001029  Echinochloa crus-galli D. Meyer 1984-8-19 Placer Just south of subway. 176.0 Comment
  UCD38845  Eleocharis acicularis Beecher Crampton 1958-6-24 4967 Placer Placer County; three miles west of Baxter. Earl Morton Ranch. 1066 Comment
  UCD43215  Eleocharis acicularis var. bella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 584 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS103509  Eleocharis bella Lowell Ahart 2002-7-22 9909 Placer S side of small natural lake on E side of paved rd to Lake Valley Reservoir, 1/4 mi E of Yuba Gap and Hwy 80 1773 Comment
  CAS-BOT-BC113377  Eleocharis engelmannii Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca. 3 mi S of French Meadows. 1600 Comment
  JEPS14035  Eleocharis pachycarpa Rimo Bacigalupi, Alex Hawkes et al. 1952-7-19 3850 Placer 1/2 mi above bridge on the Colfax - Iowa Hill road, directly below Cape Horn station of S.P.RR North Fork American River 381 Comment
  CHSC74455  Eleocharis quinqueflora Susi Urie 1998-8-27 98 -122 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  OBI60156  Elodea nuttallii David J. Keil, with Kathleen A. Keil 1999-7-17 28379 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  UCD44465  Elymus elymoides subsp. californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1831 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR240910  Elymus elymoides subsp. californicus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19232 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  SACT001079  Elymus glaucus D. Meyer 1983-10-22 Placer Searchlight ski run, from base up to Olympic Lady chairlif, downhill ski area. 2121.0 Comment
  SACT001103  Elymus glaucus Michael Baad 1976-6-3 Placer On road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. 701.0 Comment
  SACT001116  Elymus glaucus Michael Baad 1976-8-4 Placer Collected on the banks amoung rocks and in gravel beside creek. White fir forest with openings. 1975.0 Comment
  SACT001139  Elymus glaucus D. Meyer 1984-6-3 Placer 585.0 Comment
  SACT001140  Elymus glaucus D. Meyer 1984-6-23 Placer 17.12 km from I80 Frontage Road, dry roadside. 978.0 Comment
  SBBG56926  Elymus glaucus M. N. Ackley -Jun-1925 33 Placer Penryn 191 Comment
  UC1131688  Elymus glaucus B. Bolt 1934-8-14 174 Placer Red Star Ridge Tahoe National Forest, Truckee Quadrangle (e slope) Comment
  UCD22250  Elymus glaucus Rex Palmer 1979-7-12 N 615 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43062  Elymus glaucus subsp. glaucus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 430 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SACT001108  Elymus glaucus subsp. jepsonii Josephine Van Ess 1977-6-3 Placer Collected at bend in road about .75 mile west of highway 49. Oak woodland, moist. 420.7 Comment
  UCD62476  Elymus multisetus A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax. 762 Comment
  UCD62569  Elymus repens Tim Morgan 1999-7-19 PDR- 122364 6 Placer At Green Thumb Landscaping, 2865 Hillcrest Ave., Tahoe City. Comment
  JEPS45876  Elymus sierrae L. S. Smith 1928-7-18 2378 b Placer Tahoe <National> Forest; along Whiskey Creek trail above camp 2133 Comment
  SEINET7293676 Image available Elymus trachycaulus subsp. subsecundus Beecher Crampton 1955-1 2895 Placer Slopes of Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  UCD62736  Elymus trachycaulus subsp. subsecundus R. Tofsrud 1947-7-12 42 Placer Placer County. 1524 Comment
  CAS-BOT-BC204400  Elymus trachycaulus subsp. trachycaulus L. S. Smith 1925-7-8 1662 Placer Tahoe National Forest. Cedars near American River 1798 Comment
  UCD62623  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1943-7-19 18578 -A Placer Summit Valley. Comment
  CAS-BOT-BC523896  Epilobium angustifolium subsp. circumvagum George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19815 Placer Northern Sierra Nevada Mountains: along Forest Hill Rd, 10.8 mi NE of Hidden Treasure Rd, 0.75 mi SE of Whisky Hill 1697 Comment
  RSA463240  Epilobium angustifolium subsp. circumvagum J. H. Nishida 1985-7-10 779 Placer Homewood. 1829 Comment
  UC874274  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer base of a cliff n Summit hotel 2164 Comment
  UCD150712  Epilobium canum subsp. latifolium James A. Neilson Jr. 1970-8-5 1745 Placer Tahoe Basin, South Ward Valley, north side. 2286 Comment
  JEPS111211  Epilobium ciliatum Steve Matson 2005-7-4 1373 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; southwest edge of wet meadow ;39.2871 N, 120.1407 W: elevation 5,900 ft. 1798 Comment
  CHSC72877  Epilobium ciliatum subsp. ciliatum L. P. Janeway; Eric Schroder 1998-7-13 5745 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC73964  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-9-1 98 -187 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
  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
  UCD150698  Epilobium ciliatum subsp. ciliatum James A. Neilson Jr. 1971-8-11 2318 Placer Tahoe Basin, Homewood. 1914 Comment
  UCD21996  Epilobium ciliatum subsp. ciliatum Beth Lowe Corbin 1982-8-5 249 Placer Onion Creek campground. 1841 Comment
  UCD43874  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1240 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET12874268  Epilobium ciliatum subsp. ciliatum L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  CHSC73678  Epilobium ciliatum subsp. glandulosum L. P. Janeway; Eric Schroder 1998-9-16 6335 Placer Lake Tahoe Basin--National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  UCD163425  Epilobium cleistogamum Robert E. Preston 2015-5-29 3002 Placer 1.8 mi SE of Sheridan, 0.5 mi E of Old Hwy 65, 0.25 mi N of Yankee Slough. 33 Comment
  CDA13683  Epilobium densiflorum G. F. Hrusa, J. Glazner 1997-8-3 14043 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCR258170  Epilobium densiflorum George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20050 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
  UCD42979  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 348 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 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
  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
  SD114120  Epilobium paniculatum Darley F. Howe 1978-7-14 5074 Placer Route 20, 29 miles west of Truckee. 1646 Comment
  CDA36904  Epilobium torreyi CDFA Staff 1995-6-12 s.n. Placer Dry Creek. 0 Comment
  SBBG198  Equisetum X ferrissii E. R. Blakley 1960-9-2 3806 Placer mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  CAS-BOT-BC56942  Equisetum arvense Margaret Williams 1974-8-8 74 -P1-6 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CAS-BOT-BC56952  Equisetum arvense Geo. B. Grant 1906-7-15 6981 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  UCD43967  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1333 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC57827  Equisetum hyemale subsp. affine E. R. Blakley 1960-9-3 3821 Placer King's Beach, Lake Tahoe. 1905 Comment
  UCD44639  Equisetum laevigatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2005 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD135717  Equisetum telmateia subsp. braunii Cree Morgan 1992-6-12 8 Placer .5 mi east. Near railroad. 975 Comment
  CAS-BOT-BC174096  Eremogone aculeata Betty J. Jorgensen 1944-7-2 511 Placer Along summit near Donner Pass Comment
  UCD13387  Eremogone congesta Steve Daniel 1986-5-31 86 -42 Placer Entrance to Placer Big trees Park. Comment
  UCD75749  Eremogone kingii var. glabrescens Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5215 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. 2270 Comment
  UC337469  Ericameria arborescens unknown c. 1874 Placer near Auburn Comment
  CAS-BOT-BC286641  Ericameria bloomeri Elsie Zeile Lovegrove 1950-10-18 s.n. Placer Homewood Comment
  UC669305  Ericameria bloomeri Annie M. Alexander and Louise Kellogg 1941-10-3 2643 Placer Truckee River 1828 Comment
  CAS-BOT-BC294275  Ericameria nauseosa var. speciosa Lewis S. Rose 1938-9-14 38258 Placer South Fork of Yuba River, Cisco 1615 Comment
  UCD21886  Erigeron Rex Palmer 1979-6-9 N 164 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC294522  Erigeron breweri var. breweri Alice Eastwood 1909-1-1 100 Placer Lake Tahoe Region. Sunnyside Comment
  CHSC73652  Erigeron coulteri L. P. Janeway; Eric Schroder 1998-9-16 6332 Placer Lake Tahoe Basin--National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  CHSC74205  Erigeron coulteri Susie Urie; Eric Schroder 1998-9-8 98 -291 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC79678  Erigeron coulteri G. F. Hrusa; J. Glazner 1999-7-18 15208 Placer Northern California; Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  JEPS41794  Erigeron coulteri C. F. Sonne 1888-7-1 157 Placer Donner Lake Sierra Nevada Mountains, Donner Lake Comment
  UC203749  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer 2118 Comment
  CAS-BOT-BC300665  Erigeron foliosus var. hartwegii G. K. Helmkamp; E. A. Helmkamp 2010-6-26 16391 Placer Sierra Nevada Mountains Foothills: Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 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
  SCFS1196  Erigeron glacialis E. Krimmel 2014-6-26 Placer Soda Springs road, 1/4 of the way between the Onion Creek crossing and the Cedars. Comment
  CAS-BOT-BC300814  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12916 Placer Ridge northwest of Donner Pass 2377 Comment
  JEPS41386  Erigeron glacialis var. glacialis C. F. Sonne 1886-7-18 151 Placer Truckee River Sierra Nevada Mountains, Truckee River Comment
  UC202224  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  CAS-BOT-BC300822  Erigeron glacialis var. glacialis C. F. Sonne 1884-8-24 151 Placer Sierra Nevada Mts. Canyon above Coldstream Comment
  CAS-BOT-BC295203  Erigeron inornatus A. A. Heller 1916-8-13 12895 Placer Summit Station 2133 Comment
  CAS-BOT-BC295204  Erigeron inornatus A. A. Heller 1916-8-13 12895 Placer Summit Station 2133 Comment
  CAS-BOT-BC295527  Erigeron miser John H. Thomas; Hazelle A. Thomas 1956-7-21 6222 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  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
  CDA15677  Erigeron peregrinus G. F. Hrusa, J. Glazner 1999-7-18 15227 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CDA16034  Erigeron peregrinus G. F. Hrusa, J. Glazner 2000-9-3 15679 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCD21887  Erigeron peregrinus Rex Palmer 1979-6-20 N 353 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD44696  Erigeron peregrinus var. callianthemus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2062 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA4643  Erigeron philadelphicus Andrew White 1930-4-16 Placer Near Loomis. 0 Comment
  UCD164651  Eriodictyon californicum Brandi Sorensen 1995-6-1 17 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC216228  Eriodictyon californicum Charles von Geldern 1912-5-1 s.n. Placer American River Comment
  JEPS126263  Eriogonum elatum var. elatum Steve Matson 2000-7-6 470 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  UCD22137  Eriogonum incanum Rex Palmer 1979-6-19 N 237 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21939  Eriogonum lobbii Beth Lowe Corbin 1982-8-11 323 Placer 1 3/4 miles SW of Onion Creek campground. In rocky outcrop in montane chaparral. Flowers pinkish, yellowish below. Peduncles decumbent. Full sun. SE facing slope, 30% incline. Occasional. 1935 Comment
  UC569865  Eriogonum lobbii var. lobbii N. French 1934-6-22 438 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2286 Comment
  JEPS72783  Eriogonum lobbii var. lobbii Gladys L. Smith 1972-8-25 3424 Placer above Squaw Valley; Granite Chief 2773 Comment
  CAS-BOT-BC249061  Eriogonum marifolium George K. Helmkamp; E. A. Helmkamp 2011-8-26 18189 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  POM117507  Eriogonum marifolium Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD75941  Eriogonum marifolium Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5180 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  POM105406  Eriogonum nudum var. deductum Marcus E. Jones 1881-7-9 s.n. Placer Emigrant Gap Comment
  UC1035667  Eriogonum nudum var. deductum Kay H. Beach 1940-6-30 795 Placer 5.6 mi e on U.S. 40 Emigrant Gap 1676 Comment
  UC1035671  Eriogonum nudum var. deductum Kay H. Beach 1940-6-30 795 Placer 2 1/2 mi w Cisco (s side of Yuba River); Yuba River 1981 Comment
  SBBG48536  Eriogonum nudum var. nudum L. B. Towle 1974-7-12 Placer N of A.D.Hauser cabin, St Hwy 267, King's Beach, Lake Tahoe Comment
  UCD100610  Eriogonum nudum var. nudum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11216 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  UCR240947  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19899 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  RSA0062468  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2012-9-25 19916 Placer Junction of Nyack Road and I-80 in the Emigrant Gap area. 1652 Comment
  SD234988  Eriogonum nudum var. oblongifolium G. K. Helmkamp, E. A. Helmkamp 2007-9-14 12960 Placer Foothills, Northern Sierra Nevada Mountains: along Mosquito Ridge Road 6 miles east of Foresthill (Foresthill 7.5' Q) 609 Comment
  UCR190584  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2007-9-14 12960 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  UCR218124  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2010-6-26 16393 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CAS-BOT-BC271969  Eriogonum nudum var. pubiflorum G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  CAS-BOT-BC258136  Eriogonum prattenianum var. prattenianum D. L. Smith; G. L. Stebbins 1976-7-3 C 7678 Placer Northwest side of Ralston Ridge, above Middle Fork American River, just east of Big Crater 1249 Comment
  JEPS111222  Eriogonum spergulinum var. reddingianum Steve Matson 2005-6-19 1307 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and north of Martis Creek. 39.3011 N, 120.1330 W; Elevation 5835 ft. 1778 Comment
  JEPS126334  Eriogonum spergulinum var. reddingianum Steve Matson 2000-6-24 451 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  UC565910  Eriogonum spergulinum var. reddingianum B. Bolt 1934-7-11 100 Placer Cascade Lake Truckee Quadrangle, Cascade Lake 2042 Comment
  SEINET5331602  Eriogonum spergulinum var. reddingianum J. L. Reveal 1971-6-23 2478 Placer Along Californias Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground. Comment
  RSA300143  Eriogonum torreyanum Charlotte Pyle 1978-8-9 s.n. Placer E side of Silver Peak about 1.5 miles NW of Squaw Valley. 2348 Comment
  UCD101337  Eriogonum umbellatum Frederica Bowcutt 1994-7-22 1953 Placer Sierra Nevada Mtns, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. Proposed restaurant site. 2438 Comment
  RSA0028925  Eriogonum umbellatum John F. Emmel 1997-7-25 1511 Placer Sierra Nevada, Donner Pass region. Summit area of Mt. Judah. 2409 Comment
  RSA0028930  Eriogonum umbellatum John F. Emmel 1997-7-25 1512 Placer Sierra Nevada, Donner Pass region; along Pacific Crest Trail south of Donner Pass, ca. 0.5 air mile SE of SE end of Lake Mary. 2287 Comment
  CDA13675  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 1997-8-3 14035 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC108662  Eriogonum umbellatum var. nevadense L. P. Janeway; B. Castro 2011-8-27 10682 Placer Northern High Sierra Nevada. West side of Hwy 89 across from Silver Creek Campground, about 11 km south of Truckee. 1850 Comment
  SEINET9357592  Eriogonum umbellatum var. nevadense Unknown 1999-7-17 15183 Placer Martis Valley 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
  CDA22677  Eriogonum umbellatum var. torreyanum C. Pyle 1978-8-9 Placer East side of Silver Peak about 1.5 miles northwest of Squaw Valley. Comment
  SBBG28269  Eriogonum ursinum D. D. Keck 1932-6-30 1576 Placer 1 mi E of Cisco 1798 Comment
  UC1735864  Eriogonum ursinum var. ursinum Dean W. Taylor 1971-7-22 1109 Placer trail from Soda Springs to the Snow Mountain area, ca. 3 miles N of Snow Mtn, 2133 Comment
  CDA22693  Eriogonum wrightii subsp. trachygonum T. C. Fuller 1962-9-2 9626 Placer Hampshire Rocks, Highway 40 (old road before freeway construction), 0.9 mile east of Big Bend Ranger Station. 0 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
  UC669302  Eriogonum wrightii var. subscaposum Annie M. Alexander and Louise Kellogg 1941-10-5 2646 Placer e slope, Donner Pass Donner Pass 1981 Comment
  UC77464  Eriogonum wrightii var. subscaposum C. F. Sonne Sept. 1897 Placer above Donner Lake Comment
  UCD101553  Eriogonum wrightii var. subscaposum Tamara Kan 1992-7-20 s.n. Placer east slope of Silver Peak in open habitat. 2316 Comment
  CAS-BOT-BC300951  Eriophyllum lanatum L. S. Smith 1926-5-23 1831 Placer Tahoe National Forest. Above Bear River, Colfax Rd. 853 Comment
  UCR173736  Eriophyllum lanatum var. croceum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10704 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
  UCR215986  Eriophyllum lanatum var. croceum George K. Helmkamp, Amy Barnes 2009-7-12 15185 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  CAS-BOT-BC301406  Eriophyllum lanatum var. grandiflorum L. S. Smith 1923-5-1 1829 Placer Tahoe National Forest. Forest Hill Divide 762 Comment
  RSA782550  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Amy Barnes 2009-7-12 15185 Placer Along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  SEINET9262042  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-1 20830 Placer Northern Sierra Nevada Mountains Foothills; Yankee Jims Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5 Q) 463 Comment
  UC201298  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 mi e of Colfax Comment
  UCD132211  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10441 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along Forest Hill Road, 1.8 miles northeast of its junction with CA Hwy 49 at the middle fork of American River. 370 Comment
  UCD132212  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10426 Placer Northern Sierra Nevada Foothills. 2.1 miles south of Auburn along CA Hwy 49. 293 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
  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
  UCD103190  Erodium cicutarium Allan R. Magie 1957-3-24 109 Placer Auburn. Comment
  SEINET5784017 Image available Erysimum capitatum Marcus E. Jones 1882-1 2620 Placer Emigrant Gap Comment
  UC147629  Erysimum capitatum Harriet A. Walker 1908-6-24 1260 Placer Blue Canyon 1432 Comment
  UCD22373  Erysimum capitatum Rex Palmer 1979-6-20 N 277 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22375  Erysimum capitatum Rex Palmer 1979-7-12 N 617 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS126363  Erysimum capitatum var. capitatum Steve Matson 1998-6-23 283 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. 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
  CAS-BOT-BC55095  Erysimum perenne D. E. Breedlove 1962-6-13 3540 Placer Sierra Nevada. On steep bank of Truckee River, 7.0 miles south of Truckee. 1828 Comment
  UCR209742  Erysimum perenne George K. Helmkamp, E. A. Helmkamp 2009-8-12 15438 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  OBI49255  Erythranthe moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  CHSC85680  Erythranthe tilingii G. F. Hrusa; J. Glazner 2001-7-15 15935 Placer Northern Sierra Nevada. On N face of Crows Nest Pk. immed. W of Sugarbowl. 2286 Comment
  SEINET14046343 Image available Erythranthe tilingii Johnnie L. Gentry Jr., Earl Jensen, Jr. 1968-1 2134 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89. 2073 Comment
  UCD74355  Erythronium californicum G. Ledyard Stebbins 1968-4-7 6669 Placer Mosquito Ridge, east of Forest Hill. Along road, 2.7 miles northeast of turnoff to P.G. and E. dam and powerhouse. (Exact location unknown. Coordinates estimated by label maker. This location and elevation was taken from Stebbins's notebook, however, he also made a label with different label information that says: North Side of Mosquito Ridge, north of the Middle Fork of the American River. T14N, R12E, Section 30, elevation 3200 ft. The date on this label is 1 May 1968.) 853 Comment
  SEINET10528796  Erythronium californicum Charles L. Hitchcock 1940-5-7 Hitchcock 6310 Placer ca 1 mile west of Baxter. Comment
  UC1533102  Erythronium purpurascens Jon Winter 1970-7 Placer Duncan Peak Lookout Station Tahoe Nat'l Forest 2189 Comment
  RSA739849  Erythronium purpurascens Jon Winter s.n. Placer Placer County: Tahoe National Forest, Duncan Peak Lookout Station. 2190 Comment
  CAS-BOT-BC402620  Eschscholzia caespitosa Geo. B. Grant 1906-7-15 7016 Placer Tahoe Tavern, Lake Tahoe 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
  UC142937  Eschscholzia caespitosa Katharine Brandegee 1909-4-28 Placer near Auburn (along the river grade) Comment
  SD113755  Eschscholzia californica Darley F. Howe 1948-5-22 1818 Placer 671 Comment
  SEINET5339901  Eschscholzia californica J. Martin 1959-3-20 s.n. Placer 10 miles west of Colfax on US Hw. 40, on a dirt road 1 mile south of Hw 40. 274 Comment
  SEINET5339902  Eschscholzia californica D. A. Buck 1959-3-27 5 Placer Along highway 40 just north of Auburn. 411 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-BC419538  Eschscholzia lobbii M. S. Baker 1900-2-12 s.n. Placer Near Auburn Comment
  CAS-BOT-BC310367  Eucephalus breweri Alice Eastwood 1909-8-1 287 Placer Lake Tahoe Region, Deer Park Comment
  CAS-BOT-BC310371  Eucephalus breweri L. S. Smith 1927-7-1 2155 Placer Robertsons Flat, Forest Hill Distr. 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
  UC201302  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer 2133 Comment
  UCD21706  Eucephalus breweri Rex Palmer Date Unknown N 891 Placer Placer County Comment
  UCD21707  Eucephalus breweri Rex Palmer 1979-7-25 N 685 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR257733  Eucephalus breweri George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19517 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
  SEINET9373704  Eucephalus breweri Unknown 2000-9-3 15664 Placer Placer Comment
  JEPS51867  Euphorbia crenulata Leland S. Smith 1925-6-4 1621 Placer Forest Hill Tahoe Forest (s Placer County) 762 Comment
  UCR123377  Euphorbia maculata George K. Helmkamp, E. A. Helmkamp 1999-6-29 5057 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  CAS-BOT-BC312157  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer Near Summit hotel in granite 2133 Comment
  UC1179070  Eurybia integrifolia Herbert L. Mason 1939-8-3 12205 Placer near Lake Tahoe; Squaw Creek Valley 1889 Comment
  UCD42899  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 267 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC312176  Eurybia radulina Fay A. Mac Fadden 1934-8-9 12854 Placer Dutch Flat Comment
  CDA36372  Festuca dertonensis G. K. Helmkamp, E. A. Helmkamp 2009-3-11 14387 Placer Sacramento Valley; Ranch House Road, 0.2 mile south of Sheridan. Comment
  UCD65915  Festuca elmeri Beecher Crampton 1955-6-15 2861 Placer 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. Comment
  SACT002493  Festuca megalura Josephine Van Ess 1976-4-14 Placer Sunny roadside slope 91.5 Comment
  UC1131986  Festuca occidentalis G. T. Nordstrom 1934-6-19 119 Placer 0.5 mi ne Mouth of Monumental Creek; Tahoe National Forest, Colfax Quad. 1463 Comment
  SACT001176  Festuca pratensis D. Meyer 1983-7-16 Placer 1624.0 Comment
  CAS-BOT-BC278935  Festuca rubra W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  SACT001191  Festuca rubra D. Meyer 1983-9-10 Placer West end near parking lot. Moist streambank and meadow. 1879.0 Comment
  UC1132003  Festuca rubra H. S. Yates 1936-8-9 5985 Placer 2 mi sw Martis Pk.; Truckee Quad. 2286 Comment
  SACT001200  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. 609.0 Comment
  JEPS19568  Floerkea proserpinacoides C. F. Sonne 1886-7-1 344 Placer Sierra Nevada Mountains, canyons on Truckee River Truckee River; Sierra Nevada Mountains, canyons on Truckee River Comment
  UCD43858  Fragaria vesca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1224 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC447510  Fragaria virginiana var. platypetala Lewis S. Rose 1944-7-12 44098 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  SEINET11243895  Frangula californica subsp. tomentella W. D. Billings 1939-3-19 1191 Placer Roadside 2 miles north of Auburn. Comment
  CAS-BOT-BC55703  Frangula rubra subsp. obtusissima Carl B. Wolf 1928-8-22 3433 Placer 1 mi. W. of Emigrant Gap 1636 Comment
  CAS-BOT-BC55708  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
  JEPS127537  Frangula rubra subsp. rubra Steve Matson 2003-6-22 809 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; back of residence 7660 North Ave. Comment
  CHSC2272  Fritillaria agrestis V. Holt 1937-3-28 Placer Near Lincoln. 51 Comment
  JEPS73035  Fritillaria atropurpurea Gladys L. Smith 1972-6-19 3169 Placer Tahoe City 1901 Comment
  UC197245  Fritillaria atropurpurea C. F. Sonne June 1886 Placer road to Tahoe Tahoe Comment
  CAS-BOT-BC504556  Fritillaria atropurpurea Sherman Chickering 1974-1-1 s.n. Placer Near Soda Spring, Plants of the Sierra Nevada Comment
  UCD58754  Fritillaria micrantha A. M. Shapiro 2007-4-30 s.n. Placer Drum Powerhouse Road (near Alta). 1005 Comment
  UC197265  Fritillaria recurva C. F. Sonne 1896-5-1 Placer near Blue Canyon Station Comment
  UCD44474  Galium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1840 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SCFS1021  Galium E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 Comment
  CDA36972  Galium aparine CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD121720  Galium aparine M. H. Mills 1996-4-12 140 Placer 5830 Walden Lane, Loomis. 180 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
  POM67595  Galium bolanderi Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCR249615  Galium bolanderi George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20840 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.1 mile northwest of its junction with Spring Garden Road 738 Comment
  JEPS6434  Galium bolanderi R. Bacigalupi with A. Hawkes, J. Hunziker, G. Stebbins, D. Zohary and H. Stutz, and F. Ehrendorfer 1952-7-19 3860 Placer along river directly below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd); North Fork of the American River 381 Comment
  POM67226  Galium californicum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UC102505  Galium grayanum C. F. Sonne 1893-8-27 Placer Tinker's Knob Comment
  RSA785623  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2010-6-26 16375 Placer junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR190846  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2007-5-23 12064 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  JEPS26650  Galium sparsiflorum Lauramay T. Dempster 1961-6-14 1443 Placer s-facing slope above Baxter 1188 Comment
  POM367849  Galium tricornutum Fay A. MacFadden 1934-7-2 12582 Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  UCSB45738  Galium tricornutum Reisentz, Paul 1979-5-11 Placer Vernal pools; 1 mile south of Sheridan on Highway 65 Comment
  JEPS127518  Galium trifidum subsp. columbianum Steve Matson 1997-7-5 42 Placer nSNH: jMartis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north side of Hwy 267, west of Martis Creek. Comment
  JEPS59352  Galium trifidum var. pusillum Ezra Brainerd and Viola B. Baird 1915-7-22 224 Placer margin of river just above Bear Rock Camp; Sierra Nevada Mts., Truckee River 1889 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
  UCD41457  Gamochaeta coarctata Ellen Dean; Davis Botanical Society 2003-5-17 1758 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 Street. 1066 Comment
  UCD66547  Gastridium phleoides Beecher Crampton 1977-6-11 9499 Placer 3.5 mis. n.e. of Auburn, Dry Creek Road just east of Elder's Corners. Comment
  SACT001234  Gastridium ventricosum D. Meyer 1984-6-17 Placer 545.0 Comment
  UCD74362  Gaultheria ovatifolia G. Ledyard Stebbins 1968-6-20 6725 Placer Placer County grove of Big Trees. (Exact location unknown. Coordinates estimated by label maker.) 1584 Comment
  SEINET9363688  Gayophytum diffusum Unknown 1999-7-17 15125 Placer Martis Valley Comment
  UCD22101  Gayophytum diffusum Rex Palmer 1979-7-11 N 588 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA25025  Gayophytum diffusum subsp. parviflorum J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD22095  Gayophytum diffusum subsp. parviflorum Rex Palmer 1979-6-19 N 235 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR176260  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2006-8-11 11215 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCR207113  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15216 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
  RSA462366  Gayophytum diffusum subsp. parviflorum Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  CHSC73057  Gayophytum heterozygum L. P. Janeway 1998-8-6 5987 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
  POM145987  Gayophytum heterozygum J. B. Feudge 1927-7-18 1717 Placer Emigrant Gap Comment
  CAS-BOT-BC488336  Gayophytum humile James A. Neilson, Jr. 1970-8-28 1865 Placer Tahoe Basin, Paige Meadow 2072 Comment
  SEINET9323101  Gayophytum humile Unknown 1999-7-17 15128 Placer Martis Valley Comment
  UC873668  Gayophytum humile A. A. Heller 1917-6-17 12716 Placer along river below Cisco; Yuba River 1676 Comment
  UCD21988  Gayophytum humile Rex Palmer 1979-6-8 N 126 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22098  Gayophytum humile Rex Palmer 1979-6-21 N 384 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD150711  Gayophytum ramosissimum James A. Neilson Jr. 1970-1 1936 Placer Tahoe Basin, Lower Ward Creek. 2011 Comment
  CAS-BOT-BC217385  Gentiana affinis var. ovata Brandegee No date on label. s.n. Placer Colfax Comment
  JEPS72491  Gentiana calycosa Gladys L. Smith 1972-6-18 3153 Placer above Alpine Meadows 2133 Comment
  CDA36887  Geranium dissectum CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  RSA0028446  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15904 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  SEINET4560742  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-1 17258 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
  SD43633  Gilia capitata Darley F. Howe 1948-5-23 1849 Placer American River 305 Comment
  UCR173262  Gilia capitata subsp. mediomontana George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10425 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR207858  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2009-4-22 14563 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  SEINET3163581  Gilia filicaulis M. E. Jones 1882-7-3 sn Placer Colfax Comment
  SEINET7963106 Image available Gilia gilioides var. greeneana L. S. Rose 1941-1 41291 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  RSA794814  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2011-8-26 18172 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat. 2041 Comment
  SEINET2441551  Gilia tricolor subsp. diffusa George K. Helmkamp 2009-4-22 14582 Placer Sierra Nevada Mountains Foothills: Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake (Greenwood 7.5' Q.). 732 Comment
  CHSC82575  Glyceria borealis Lowell Ahart 2002-7-22 9907 Placer In a small 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
  SACT001256  Glyceria elata D. Meyer 1984-7-29 Placer Road south of reservoir moist shady north-facing slope. 1612.0 Comment
  UCD66853  Glyceria elata R. Tofsrud 1951-7-1 Placer On Hwy. 40, above Baxter, 3/4 mile below drinking station. Comment
  UCR146849  Glyceria elata Beecher Crampton 1964-7-21 7121 Placer Sierra Nevada Mtns., Cisco Grove, US Hwy. 40 1723 Comment
  JEPS109981  Glyceria grandis Dean W. Taylor 2004-7-7 19175 Placer Truckee River, ca. 200 m below confluence with Bear Creek (Alpine Meadows Road), E side of river downslope from bike path 1886 Comment
  CAS-BOT-BC307364  Gnaphalium palustre Mrs. Chas. E. Miller 1916-8-30 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC307372  Gnaphalium palustre John Thomas Howell 1943-7-19 18583 Placer Summit Valley Comment
  JEPS126423  Gnaphalium palustre Steve Matson 2003-6-29 821 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards north of Highway 267 and 20 yards west of Martis Creek. 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
  CHSC116935  Gratiola M. Ocken; A. Centrae 2011-4-23 Placer Two miles north of the city of Lincoln, off Hwy 62. 45 Comment
  JEPS18866  Gratiola ebracteata Rimo Bacigalupi with G. T. Robbins and Fran Chisaki 1956-4-20 5631 Placer along the county road from Roseville to Antelope which parallels the S.P. Ry. at Sacramento-Placer County line 42 Comment
  CAS-BOT-BC314604  Grindelia hirsutula Alice Eastwood 1921-5-22 10587 Placer Between Lincoln and Sheridan Comment
  JEPS41903  Grindelia hirsutula W. H. Shockley Jun 1886 Placer Auburn Comment
  UCR201520  Grindelia squarrosa var. serrulata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14015 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  JEPS85079  Gypsophila elegans var. elegans Cheri Wetzel 1985-1 Placer ca 1 mi e Tahoe City (n shore of Lake Tahoe, Rocky Ridge Condominiums); n shore of Lake Tahoe Comment
  UCR198122  Hackelia Rex Palmer 1979-6-21 N 366 Placer Sierra Nevada Mtns., Headwaters Basin Area of the North Fork of the American River, Tinker Knob west ridge Comment
  POM308717  Hackelia nervosa Betty J. Jorgensen 1944-6-24 493 Placer Kid Lake about 5 miles SW of Soda Springs. Comment
  CAS-BOT-BC314784  Helianthella californica var. nevadensis F. Almeda 1993-7-24 7276 Placer About 15 miles SE of Interstea Hwy. #80 at Soda Springs on the trail to Upper Sheep Valley, Sierra Nevada 2133 Comment
  CAS-BOT-BC314783  Helianthella californica var. nevadensis Peter Rubtzoff 1976-9-19 8871 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  SJSU11836  Helianthus annuus C. T. Osugi 1969-10-4 79 Placer Loomis, 21 mi NE of Sacramento 121 Comment
  CDA17019  Helianthus bolanderi G. F. Hrusa 2002-7-3 s.n. Placer Northern California; Hughes Mill (site). On wet serpentine. 1066 Comment
  UC24121  Hesperochiron californicus Mrs. M. M. Hardy 1893-1 Placer Comment
  JEPS71479  Hesperochiron pumilus Gladys L. Smith 1972-6-21 3277 Placer Alpine Meadows 2072 Comment
  CHSC47514  Hesperocnide tenella Lowell Ahart 1975-4-7 Placer Around very large granite rocks, about 1/2 mile north-east of the intersection of Wise Road and McCortney Road, north-east of Lincoln. 42 Comment
  UC380603  Heteromeles arbutifolia Marcus E. Jones, A. M. 1882-7-3 Placer Colfax Comment
  UCR218452  Heuchera micrantha George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16425 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  UCD40879  Heuchera micrantha var. erubescens M. D. 1983-5-28 132 Placer 13.5 miles east of Forest Hill on Mosquito Ridge Road. 1066 Comment
  CAS-BOT-BC425221  Heuchera rubescens John H. Thomas; Hazelle A. Thomas 1956-7-21 6116 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  SCFS11529133  Heuchera rubescens E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Growing on wet rocks next to stream. Comment
  UC570062  Heuchera rubescens var. glandulosa G. T. Nordstrom 1934-6-18 106 Placer n slope of Texas Hill 1584 Comment
  CDA42824  Hieracium albiflorum G. F. Hrusa, M. Pitcairn 2015-7-16 18647 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  JEPS36579  Hieracium albiflorum L. S. Smith 1927-8-5 2143 Placer Robertson Flat Tahoe National Forest (n slope) 2346 Comment
  UCD132315  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC319597  Hieracium albiflorum Leland S. Smith 1926-5-23 s.n. Placer Forest Hill, Tahoe Forest Reserve Comment
  UCD133111  Hieracium argutum G. L. Stebbins Jr.; J. Hunziker, H. Stutz, D. Zohary 1952-7-20 5134 Placer steep, north-facing slope. Along road from Colfax to Forest Hill, 1/2 mile south of crossing of American River. 304 Comment
  JEPS71821  Hieracium horridum Gladys L. Smith 1972-8-25 3441 Placer glacial stairstep between Squaw Valley and Granite Chief 2194 Comment
  SEINET11259328 Image available Hieracium horridum W. D. Billings 1951-8-21 2148 Placer E. side of Granite Chief, Sierra Nevada 2621 Comment
  CAS-BOT-BC315996  Hieracium nudicaule H. M. Hall 1912-7-18 9365 Placer Willow Creek 1280 Comment
  CAS-BOT-BC280704  Holcus lanatus Saichi Kawahara 1969-7-6 1033 Placer Near B.M. 2393, Nigger George Ravine, Colfax-Iowa Hill Road 729 Comment
  UCD36124  Holcus lanatus Beecher Crampton 1952-11-9 929 Placer Placer County, 6 miles east of Auburn, 1 mile south of Meadow Vista. 457 Comment
  UCD84895  Holcus lanatus August L. Hormay 1932-5-24 s.n. Placer West of Auburn. Comment
  CAS-BOT-BC150012  Holodiscus discolor var. discolor Elizabeth Parsons Hawver 1911-8-19 s.n. Placer At base of Ellis Peak, Lake Tahoe region Comment
  UCD22266  Holodiscus discolor var. microphyllus Beth Lowe Corbin 1982-8-10 298 Placer 1 1/4 miles WNW of Onion Creek Campground. SE facing slope, 30% incline. Full sun. Uncommon. In granitic slope of montane chaparral. Shrub 2 ft tall. Old bark greyish, flaking. Flowers creme white. 1981 Comment
  UCD22267  Holodiscus discolor var. microphyllus Rex Palmer 1979-6-9 N 144 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  CAS-BOT-BC150147  Holodiscus microphyllus var. microphyllus Charlotte Pyle 1977-8-29 s.n. Placer Diamond Crossing on Powderhorn Creek ca. 4.5 miles southwest of Ward Peak 1828 Comment
  SACT001300  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of the road in moist soil. 2072.64 Comment
  UCD42935  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 304 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44690  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2056 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SACT001334  Hordeum geniculatum D. Meyer 1984-4-15 Placer Collected on roadside in possible vernal pool 122.0 Comment
  SACT001343  Hordeum hystrix Josephine Van Ess 1976-4-26 Placer Collected near top of first hill. 91.5 Comment
  SACT001348  Hordeum jubatum D. Meyer 1983-8-7 Placer East bank. 1879.0 Comment
  CDA36990  Hordeum leporinum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  SACT001363  Hordeum leporinum Josephine Van Ess 1977-4-13 Placer Collected at Courtney Road. Ditch bank. Comment
  SACT001368  Hordeum leporinum Josephine Van Ess 1977-4-29 Placer 39.6 Comment
  CDA36870  Hordeum marinum subsp. gussoneanum CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  HSC10202  Hordeum murinum subsp. leporinum L. M. Malloy 1965-4-17 26 Placer 5 mi. S of Auburn, 1/2 mi. E of Scott's Corner off of County Rd. P. 58. Comment
  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
  RSA35116  Horkelia fusca subsp. parviflora L. S. Rose 1944-7-13 44102 Placer Chambers Lake, Lake Tahoe. 1921 Comment
  RSA451906  Horkelia fusca subsp. parviflora Bonnie C. Templeton 1931-7-5 1519 Placer Meeks Bay, Lake Tahoe. 2250 Comment
  RSA122259  Horkelia fusca subsp. parviflora N. H. French 1934-6-19 423 Placer 1/4 mile W of Devil's Peak. 2104 Comment
  CAS-BOT-BC537866  Horkelia fusca var. parviflora David D. Keck 1938-8-10 4905 Placer Tahoma Resort, Lake Tahoe 1905 Comment
  RSA451651  Horkelia tridentata Philip A. Munz 1934-8-10 12832 Placer Cisco. Comment
  UCD38506  Horkelia tridentata Beecher Crampton 1955-7-13 3001 Placer Mountain flats and slopes along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCR208588  Horkelia tridentata subsp. flavescens George K. Helmkamp, E. A. Helmkamp 2009-5-11 14651 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  CAS-BOT-BC537975  Horkelia tridentata var. tridentata Junea Kelly 1921-7-1 s. n. Placer Near Placerville Comment
  CAS-BOT-BC206149  Hosackia crassifolia Lowell Ahart 1972-7-7 s.n. Placer French Meadows 1524 Comment
  UCD22017  Hosackia crassifolia Beth Lowe Corbin 1982-8-6 266 Placer On road 3/5 mile SW of Onion Creek campground. In rocky, fine, sandy soil along roadside. Herb 2 1/2' high. Flowers dark reddish purple with whitish edges. Mostly sun. SE facing slope, 20% incline. Common. 1920 Comment
  UCD144324  Hosackia incana G. F. Hrusa; B. Meese 1997-5-26 13789 Placer Italian Bar Trail, N-facing slope to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. 1300 Comment
  UCD106160  Hosackia oblongifolia R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40, above Baxter 3/4 mile below drinking station. Comment
  CHSC81784  Hosackia oblongifolia var. oblongifolia Lowell Ahart 2001-10-10 9356 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
  UCD111349  Humulus lupulus John Thomas Howell 1974-7-12 50610 Placer Emigrant Gap. 1615 Comment
  OBI48663  Hydrophyllum capitatum var. alpinum Lewis S. Rose 1940-6-2 40457 Placer Truckee River, 10 mi N of Tahoe city 1829 Comment
  UC24090  Hydrophyllum capitatum var. alpinum C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  JEPS126289  Hypericum anagalloides Steve Matson 1998-6-21 335 Placer nSNH, Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 1000 meters north of Highway 267, just east and below Martis Dam Road. Comment
  SJSU8045  Hypericum anagalloides R. L. Fisher 1959-6-26 Placer Yuba Gap, Hwy 40 1676 Comment
  UCD33600  Hypericum anagalloides Beecher Crampton 1970-6-25 8627 Placer Placer County, 1 mile west of Kingvale. 1859 Comment
  SEINET10816780  Hypericum anagalloides A. Arthur Heller 1917-8-15 Heller 12937 Placer Soda Spring station, lower end of Summit valley. Pinus murrayana the prevalent tree. 2042 Comment
  UC871756  Hypericum anagalloides P. A. Lebenbauer 1932-6-26 Placer on shore Lake Tahoe (Tahoe City); , Tahoe City 1898 Comment
  UCR200866  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14120 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  POM178043  Hypericum perforatum Marcus E. Jones 1930-7-11 25286 Placer Auburn Comment
  UCD39144  Hypericum perforatum subsp. perforatum Beecher Crampton 1964-7-21 7124 Placer 1 mile east of Cisco Grove (old site), old portion US Hwy. 40. 1737 Comment
  SEINET3167476  Hypochaeris glabra R. W. Spellenberg, N. Zucker 2010-4-16 14154 Placer N edge of Lincoln along Hwy. 65 45 Comment
  CDA36756  Hypochaeris radicata D. B. Joley 1976-4-22 15 Placer Loomis area, Butterfield s. 0 Comment
  UCD118224  Ipomopsis aggregata Mrs. Raus 1935-7-10 s.n. Placer Lake Tahoe. Comment
  UCR209734  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2009-8-12 15436 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
  POM9885  Ipomopsis aggregata subsp. formosissima E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  POM129397  Ipomopsis congesta C. F. Sonne 1885-6-21 109 Placer [Mt] Head of Squaw Valley 2896 Comment
  UC23473  Ipomopsis congesta C. J. Fox Jr. 1895-7-1 Placer near Squaw Peak Comment
  UC23339  Ipomopsis tenuituba C. J. Fox Jr. July, 1895 Placer near Deer Park Inn Comment
  CAS-BOT-BC133610  Iris hartwegii Kate E. Phelps 1937-5-25 s.n. Placer Dutch Flat 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
  UCD80364  Iris macrosiphon CNPS SN Foothill Team 2005-4-13 SNFN 0108 Placer Placer Legacy, Didion Ranch. On north-facing slope above Whiskey Diggins canal road. Near southern boundary of study area, approximately 2 miles west of intersection with entry road. Stand runs east to west across north face of slope and continues below Whiskey Diggins road into Coon Creek Drainage. 245 Comment
  POM196059  Isopyrum occidentale K. Sullivan 1929-4-28 s.n. Placer near colfax Comment
  CAS-BOT-BC340263  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  SACT002750  Juglans hindsii Josephine Van Ess 1976-4-21 Placer Collected near bridge over Dry Creek. Moist streambank. 27.4 Comment
  CAS-BOT-BC109966  Juncus John H. Thomas; Hazelle A. Thomas 1956-7-21 6212 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. Along edge of lake. 2438 Comment
  UC1100932  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-21 1515 Placer n end Lake Tahoe (between Sandy Beach and Agate Bay) Comment
  UCD34024  Juncus bufonius Beecher Crampton 1975-9-9 9275 Placer Gold Run rest area on Hwy. 80. 914 Comment
  SEINET3814472 Image available Juncus bufonius var. halophilus Marcus E. Jones 1882-7-4 2903 Placer Colfax Comment
  JEPS1771  Juncus covillei var. obtusatus Friedrich Ehrendorfer 1952-7-20 Placer 6 mi e Iowa Hill; Shirttail Creek Comment
  RSA0115049  Juncus effusus subsp. pacificus Lyman Benson 1947-8-12 12793 Placer Near Emigrant Gap. Mt. Range: Sierra Nevada. 1219 Comment
  CHSC81836  Juncus ensifolius Lowell Ahart 2001-10-10 9350 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  SEINET6190258  Juncus ensifolius var. ensifolius M. J. Williams 1985-7-6 85- 63 -2 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits. Comment
  CAS-BOT-BC110765  Juncus mertensianus John Thomas Howell 1943-7-26 18850 Placer Sugar Bowl northwest of Mount Lincoln. Comment
  CHSC74025  Juncus orthophyllus Susi Urie 1998-8-28 98 -128 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  RSA494793  Juncus orthophyllus Lyman Benson 1942-7-2 11244 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD44501  Juncus orthophyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1867 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC1133697  Juncus parryi N. French 1934-6-22 466 Placer Serena Lake Tahoe National Forest, Truckee Quad. 2407 Comment
  UCD36110  Juncus patens Beecher Crampton 1952-11-9 923 Placer 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UCR206717  Juncus saximontanus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15204 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UC128273  Juncus saximontanus Miss Harriet A. Walker 1393 Placer near Yuba River; Cisco Comment
  CAS-BOT-BC81073  Juniperus communis Charlotte Pyle 1978-6-15 4200 -1 Placer on west side of point of land between Deep Canyon and North Fork of the Middle Fork of the American River 1219 Comment
  JEPS102613 Image available Juniperus grandis Lowell Ahart 2001-10-10 9335 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
  UCD22093  Juniperus occidentalis Beth Lowe Corbin 1982-8-8 283 Placer 1/2 mile SW of Onion Creek Campground. South facing slope, 20% incline. 1798 Comment
  CHSC81742  Juniperus occidentalis var. occidentalis Lowell Ahart 2001-10-10 9335 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
Read comments
Jan 4 2007
  SEINET11056450  Juniperus occidentalis var. occidentalis P. A. Lehenbauer 1937-9-5 s.n. Placer Cisco. Comment
  SEINET11056471  Juniperus occidentalis var. occidentalis P. A. Lehenbauer 1932-8-28 s.n. Placer Cisco Camp, summit. Comment
  CAS-BOT-BC235567  Keckiella breviflora L. S. Smith 1926-5-23 1830 Placer Tahoe National Forest, American River slopes, below Forest Hill 548 Comment
  UC1280800  Keckiella breviflora H. E. McMinn 1926-5-28 1751 Placer 6 mi n Folsom ((Allens - local name of place)) 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
  UC1063172  Keckiella lemmonii B. Bolt 1934-7-6 83 Placer Sawtooth Ridge; Tahoe National Forest, Colfax Quad. 1249 Comment
  UCD21904  Keckiella lemmonii Beth Lowe Corbin 1982-8-4 213 Placer 1/4 mile west of Onion Creek campground. 1889 Comment
  SACT001418  Koeleria cristata Josephine Van Ess 1977-5-12 Placer Collected about .25 mile east of Sierra College Blvd. 103.7 Comment
  SACT001428  Koeleria phleoides Josephine Van Ess 1979-5-9 Placer Collected along old railroad grade west of Highway 49 in vicinity of first trestle. Comment
  UCD123808  Kopsiopsis strobilacea W. C. Overton Jr. 1977-6-4 s.n. Placer across tracks ca. 100 yards, on Secret Town Road, 0.9 mile from junction with Magra Road (which is northwest of the Magra Road - Secret Town offramp of Interstate 80), between Colfax and Gold Run. Comment
  UCD80707  Kumlienia hystricula CNPS SN Foothill Team 2005-3-12 Survey Placer Auburn State Recreation Area, collected on Yankee Jim's Road. Comment
  CAS-BOT-BC340398  Lactuca G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  UC89190  Lagophylla glandulosa Mrs. M. E. P. Ames 1886-1-1 Placer Auburn Comment
  SD112646  Lagophylla glandulosa subsp. serrata Darley F. Howe 1965-5-20 4055 Placer 3.5 miles north of Auburn 455 Comment
  UCR171020  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2006-2-9 10042 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  SEINET7949735  Lamium amplexicaule D. G. Cooney 1960-4-13 8 Placer Auburn Comment
  SEINET7949749  Lamium amplexicaule C. Petterson, A. Berringhoff 1930-1 2793 Placer 5 mi. E of Lincoln. 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
  POM361598  Lasthenia fremontii C. B. Wolf 1937-5-12 8621 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  CAS-BOT-BC353497  Lasthenia fremontii Brandegee No date on label s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  CHSC84554  Lasthenia glaberrima John Dittes 2003-5-25 2003 -25 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
  RSA726776  Lasthenia glaberrima L. Ahart 2007-4-13 13632 Placer 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. 44 Comment
  SBBG128601  Lasthenia glaberrima G. K. Helmkamp, E. A. Helmkamp 2011-5-12 17252 Placer S of Lincoln along Athens Ave, 1.6 mi E of Fiddyment Rd, 0.6 mi W of Industrial Ave 41 Comment
  UC1563889  Lasthenia gracilis Barbara Ertter with David Thompson 1989-4-8 8147 Placer near entrance to Auburn State Recreation Area (Iowa Creek Road 2 mi from I-80, at creek crossing) 518 Comment
  RSA74393  Lathyrus lanszwertii var. lanszwertii C. L. Hitchcock 1949-6-6 19069 Placer 5 miles S of Tahoe, W side of Lake Tahoe Comment
  SEINET5327309  Lathyrus latifolius A. Allen 1950-4-29 26 Placer 9 mi from Folsom on Loomis Folsom road, 244 Comment
  CAS-BOT-BC321711  Layia fremontii Peter H. Raven 1954-4-16 6602 Placer 7 mi S of Lincoln on road to Roseville. Comment
  UC30610  Layia fremontii H. N. Bolander 1865-4-11 4548 Placer near Auburn Comment
  UCR249587  Layia fremontii George K. Helmkamp, Amy Barnes 2013-3-28 20283 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  RSA0035477  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20355 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  RSA467614  Ledum glandulosum B. C. Templeton 1931-7-5 1516 Placer near Meek's Bay. 2280 Comment
  JEPS66644  Ledum glandulosum C. F. Sonne 1885-7 207 Placer Summit at Lake Angeline Lake Angeline; Sierra Nevada Mountains, Lake Angeline Comment
  SEINET7270125  Ledum glandulosum W. D. Billings 1951-8-21 2150 Placer Sierra Nevada, E. slope of Granite Chief 2377 Comment
  UCD62881  Leersia oryzoides Christopher Michael Bronny 2007-9-24 - 1 Placer Yuba and Placer County lines: Along north and south banks of Bear River below the Highway 65 overcrossing approximately 1 mile south of Wheatland. 25 Comment
  CAS-BOT-BC527310  Lemna trisulca W. R. Dudley No date on label. s.n. Placer Near Sierraville Comment
  CAS-BOT-BC88773  Lepidium appelianum J. H. Wilson 1970-9-22 s.n. Placer Sierra Nevada. Railroad right of way, Casa Loma Recreation area. 1097 Comment
  CAS-BOT-BC89730  Lepidium latifolium John Thomas Howell 1974-7-12 50606 Placer Sierra Nevada. Emigrant Gap. 1615 Comment
  UCD115693  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer 1 sq. rd. infestation along S.P.R.R. tracks, 3/4 mi. n.e. of Loomis. Comment
  UCD22411  Lepidium latifolium A. M. Shapiro 2001-8-10 s.n. Placer Donner Pass Road, at roadside. 2115 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
  RSA285918  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer Along SPRR tracks, 0.75 mi NE of Loomis. Comment
  JEPS113103  Lepidium nitidum var. nitidum Lowell Ahart, Brian Williams 2007-4-13 13639 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC570340  Lepidium perfoliatum N. French 1933-6-15 78 Placer Clipper Cap Sacramento Quad. 518 Comment
  CAS-BOT-BC12897  Lepidium strictum L. R. Abrams 1935-1-1 13657 Placer Roseville, Sacramento Valley. Comment
  CHSC72872  Lepidium virginicum var. pubescens L. P. Janeway; Eric Schroder 1998-7-13 5749 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCR146922  Lepidium virginicum var. pubescens Beecher Crampton 1961-9-27 6017 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  CHSC91653  Leptosiphon bolanderi M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 259 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. Along old road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  UCD118828  Leptosiphon ciliatus Terri Williamson 1990-4-15 8 Placer 22587 Sunset Ridge Drive, Lake of the Pines. 365 Comment
  UCD118758  Leptosiphon filipes Ted Niehaus 1959-5-3 98 Placer Granite Bay park, north shore of Folsom Lake. Comment
  SEINET3861927  Leptosiphon harknessii Genevieve K. Walden 2009-6-25 208 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
  UC1999791  Lessingia leptoclada H. E. M. Dobson 1977-10-23 285 Placer Near Forest hill Comment
  POM361835  Lessingia leptoclada Fay A. MacFadden 1934-8-26 12935 Placer Forest Hill Comment
  UCD134131  Leucanthemum vulgare R. N. Raynor 1941-7-24 s.n. Placer near Auburn. Comment
  UC1121018  Leucothoe davisiae N. French 1934-7-7 499 Placer Tahoe National Forest, Texas Hill Texas Hill; Tahoe National Forest, Texas Hill 1524 Comment
  SEINET7270533  Leucothoe davisiae Unknown 1934-8-17 s.n. Placer Gold Lake, Plumas National Forest Comment
  SCFS1197  Lewisia E. Krimmel 2014-4-21 Placer NFAm. Comment
  SEINET5336469  Lewisia kelloggii M. J. Williams 1970-6-7 s.n. Placer S of Emigrant Gap, overlooking N fork American River. 1615 Comment
  CAS-BOT-BC444160  Lewisia nevadensis Alice Eastwood 1912-6-15 441 Placer Tahoe City, Lake Tahoe Region Comment
  SD1543  Lewisia pygmaea C. F. Sonne 1897-6-26 Placer Near Summit, in sandy soil Comment
  UC852007  Lewisia triphylla Marcus E. Jones, A. M. 1882-5-28 2629 Placer Emigrant Gap Comment
  CAS-BOT-BC436047  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer Mt. Lincoln south of Summit valley 2499 Comment
  CHSC74180  Ligusticum grayi Susi Urie; Eric Schroder 1998-9-9 98 -307 Placer Lake Tahoe Basin--National Forest. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  SEINET8465195 Image available Ligusticum grayi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15232 Placer Sierra Nevada Mountains; Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCD21641  Ligusticum grayi Rex Palmer 1979-7-26 N 894 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC130777  Lilium pardalinum Albert Vollmer 1949-7-6 12 -D Placer Bear Valley Comment
  RSA65290  Lilium parvum Albert M. Vollmer, L. Beane 1951-07 189 Placer Bear Valley, east of Nevada City Comment
  UC3732  Lilium parvum C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  SCFS1115  Lilium parvum E. Krimmel 2013-6-13 Placer NFAm. Split #3. On trail to Heath Falls Overlook. Comment
  UCR240748  Lilium washingtonianum var. washingtonianum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19796 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
  SEINET5560140  Limnanthaceae H. S. Gentry 1962-1 19718 Placer 6.5 mi. SE of Wheatland, along Rt. 99E. 15 Comment
  SFV8305  Limnanthes alba S. A. Melugin 1969-4-26 69 Placer Near end of Road 5005. 12 Comment
  UC907584  Limnanthes alba Alice Williams 1946-5-15 5 Placer meadow across road from Harold's Rock Station (0.5 mi e of Weimar Post Office on US 40) Comment
  RSA752671  Limnanthes alba subsp. alba George K. Helmkamp, E. A. Helmkamp 2008-4-17 13290 Placer Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCR253145  Limnanthes alba subsp. alba George K. Helmkamp, Amy Barnes 2014-4-23 22812 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  UC880322  Linanthus bolanderi C. L. Hitchcock 1940-5-15 6407 Placer 6 mi n Colfax Comment
  UC1123981  Linanthus ciliatus N. French 1934-6-22 483 Placer 0.5 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. 2133 Comment
  UC880328  Linanthus ciliatus P. A. Lebenbauer 1923-6-10 Placer near Homewood; Lake Tahoe Comment
  UCR229528  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17892 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
  UC23537  Linanthus filipes Bolander 1865-4-13 4567 Placer Newcastle Comment
  CDA15938  Linanthus harknessii G. F. Hrusa, J. Glazner 1999-7-17 15153 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD21975  Linanthus pungens Rex Palmer 1979-6-19 N 242 Placer Headwaters basin area of the North Fork of the American River Comment
  POM74920  Linanthus pungens subsp. pulchriflorus Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  OBI60157  Lipocarpha micrantha David J. Keil, with Kathleen A. Keil 1999-7-17 28378 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  JEPS64486  Listera convallarioides C. F. Sonne 1888-8-12 493 Placer Truckee River Sierra Nevada Mountains Comment
  SACT002875  Lithocarpus densiflorus Michael Baad 1977-6-1 Placer North of Iowa Hill Ditch. 1341.12 Comment
  CAS-BOT-BC36571  Lithocarpus densiflorus var. echinoides P. W. Rundel 1967-9-6 2653 Placer American River Grove of Sierra redwoods; Tahoe national Forest; ca. 20 miles NE of Foresthill; Comment
  CAS-BOT-BC441140  Lithophragma parviflorum A. A. Heller 1917-6-17 12698 Placer Low, gravelly places along the YUba River below Cisco 1676 Comment
  UC530090  Lithophragma parviflorum var. trifoliatum Frances Lindsay 1935-3-29 Placer hilltop opposite Penryn flagstop station on S.P.R.R. cutoff (Rocky Ridge road between Loomis and Lincoln) Comment
  CDA36912  Lolium multiflorum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  CDA37216  Lolium multiflorum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT001437  Lolium multiflorum D. Meyer 1983-5-7 Placer Comment
  UCD22256  Lolium perenne Rex Palmer 1979-7-26 N 831 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA41077  Lomatium G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16043 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. Sheet 2 of 2 1066 Comment
  UC1562641  Lomatium californicum Barbara Ertter with David Thompson 1989-4-9 8192 Placer n.e. Auburn (1/2 way down rd. to Lake Clementine (=North Fork Lake)) 304 Comment
  JEPS59496  Lonicera conjugialis Ezra Brainerd and Viola B. Baird 1915-7-10 249 Placer Deer Park Sierra Nevada Mtns 1920 Comment
  UCD150306  Lonicera conjugialis James A. Neilson Jr. 1970-1 1983 Placer Tahoe Basin, Lower Ward Creek, plot 232 D. 2011 Comment
  CAS-BOT-BC200947  Lotus Saichi Kawahara 1969-5-24 831 Placer Overlooking north fork of the American River, on Colfax-Iowa Hill Road between Dinner Tree and Windy Point Comment
  UCD41422  Lotus corniculatus A. M. Shapiro 2002-6-15 s.n. Placer Old Highway 40, Donner Pass-Norden area. 2133 Comment
  POM260126  Lotus humistratus C. L. Hitchcock 1940-5-14 6382 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  RSA671059  Lotus incanus G. Fred Hrusa 1997-5-26 13789 Placer Italian Bar Trail, N-facing slope to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. 1300 Comment
  SEINET6655790  Lotus incanus L. S. Smith 1926-5-25 1859 Placer Tahoe NF; Mosquito Ridge below Dollar Camp;; 0 Comment
  CDA36893  Lotus micranthus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UC212478  Lotus micranthus Mary E. P. Ames Apr 1895 Placer Auburn Comment
  UCR208602  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14620 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  JEPS111130  Lotus micranthus Steve Matson 2005-4-17 1223 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  RSA763956  Lotus nevadensis Robert M. Rhode, Barbara Nemeth 1997-6-26 163 Placer Blackwood Creek Canyon (c. 4 miles south of Tahoe City). Near Blackwood Creek Canyon Road, about 0.4 mile west of turnoff from Highway 89. 1921 Comment
  UC186937  Lotus nevadensis var. nevadensis C. F. Sonne Jul 1883 Placer meadow along Truckee River Truckee River Comment
  SEINET11268218  Lotus nevadensis var. nevadensis Lowell Ahart, Peter Ahart 2001-10-10 9345 Placer Below the high water line of French Meadows reservoir, near the boat or trail access area on the north west side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles(air) northeast of Forest Hill.; 0 1594 Comment
  UC15725  Lotus oblongifolius var. oblongifolius Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR152264  Lotus purshianus Beecher Crampton 1972-7-26 8836 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  UCR198047  Lotus purshianus Beth Lowe Corbin 1982-8-9 273 Placer Headwaters Basin Area of the North Fork of the American River. 1/4 mi southwest of Onion Creek Campground Comment
  JEPS103490  Lotus purshianus var. purshianus Lowell Ahart 2002-7-22 9918 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
  UCR194973  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2007-10-28 13110 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  CHSC118006  Lotus uliginosus G. K Helmkamp; E. A Helmkamp 2008-8-20 14024 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and east of Norden. 2149 Comment
  CHSC3450  Lupinus albifrons Judy Potter 1966-4-8 Placer Rattlesnake Bar area, Folsom Lake. Comment
  CAS-BOT-BC201562  Lupinus albifrons var. albifrons Ames 1884-5-1 s.n. Placer Auburn Comment
  SD248424  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 miles ENE of Weimar. 512 Comment
  POM27663  Lupinus andersonii var. andersonii Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
  SD243134  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 (Duncan Peak 7.5'Q) 2040 Comment
  UC726156  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Donner Lake Comment
  UCR233387  Lupinus argenteus var. argenteus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18162 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
  CDA36892  Lupinus bicolor CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA37057  Lupinus bicolor CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  RSA0035676  Lupinus bicolor George K. Helmkamp, Mary Alice Barnes 2013-4-18 20342 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  RSA0039281  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCR222541  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-17 15886 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill 360 Comment
  UCR249532  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20286 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  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
  UCR258240  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20239 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  CDA32821  Lupinus bicolor William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  RSA43817  Lupinus bicolor subsp. microphyllus D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 610 Comment
  UC1129476  Lupinus grayi N. French 1934-5-24 358 Placer N. Fork of N. Fork American River North Fork of North Fork American River; Tahoe National Forest, Colfax Quadrangle Comment
  UCR146915  Lupinus grayi Beecher Crampton 1955-6-15 2907 Placer Sierra Nevada Mountains, Yankee Jims 808 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
  UCD33492  Lupinus lepidus var. confertus Beecher Crampton 1969-7-1 8490 Placer 1 mile E of Emigrant Gap, Laings road above Carpenter Flat. 1584 Comment
  UCD108447  Lupinus lepidus var. lobbii L. S. Smith 1916-6 747 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
  UC196063  Lupinus lepidus var. sellulus C. F. Sonne 1885-8-23 Placer Tinker's Knob 2895 Comment
  UCD108586  Lupinus lepidus var. sellulus F. A. MacFadden 1934-8-10 s.n. Placer Cisco. Comment
  UC196048  Lupinus lepidus var. sellulus C. F. Sonne 1885-6-6 Placer Truckee Comment
  RSA413788  Lupinus lyallii var. lyallii Bonnie C. Templeton 1931-7-5 1506 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  CAS-BOT-BC438823  Lupinus microcarpus var. densiflorus George K. Helmkamp; Mary Alice Barnes 2013-5-3 20459 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
  UCR235596  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18921 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
  SD43642  Lupinus microcarpus var. densiflorus Darley F. Howe 1948-5-21 1860 Placer Placer County 456 Comment
  SEINET8056950  Lupinus microcarpus var. densiflorus A. Beninghoff 1930-4-19 1746 Placer Virginia Tower Comment
  UCR208567  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14603 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UCR208572  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14608 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCR246785  Lupinus nanus CDFA Staff 2006-1 s.n. Placer Nute Ranch, near Nute Road Comment
  UCR250065  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20471 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SEINET7249048  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  SEINET10451517  Lupinus superbus var. bernardinus L. S. Smith 1938-7-22 Smith s.n. Placer Tahoe National Forest. Squaw Valley. Comment
  POM110695  Luzula comosa Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD142068  Luzula comosa Beecher Crampton 1966-4-14 7649 Placer 2.5 miles east of Lincoln. 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
  JEPS73265  Luzula divaricata Gladys L. Smith 1972-8-25 3425 A Placer along trail n-facing slope Granite Chief; n-facing slope Granite Chief 2621 Comment
  CDA33224  Luzula divaricata Jim Jokerst 1986-7-13 2724 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, in Sheet Valley. Comment
  UCD162591  Luzula orestera Steve Matson 2002-8-17 1133 Placer nSNH; near Sonora Pass; Walker River watershed; meadow above tarn just east of Hannah Mtn. Comment
  UC1191822  Lycopus americanus Malcolm A. Nobs and S. Galen Smith 1949-8-22 1541 Placer s.w. city limits of Roseville Comment
  JEPS99000  Lythrum portula Lowell Ahart 2001-10-10 9344 Placer French Meadows Reservoir, near boat or trail access area on NW side of reservoir, about 1 mi SW of bridge across Middle Fork of American River, about 2 mi SW of Ahart Camp, about 22 mi (air) NE of Forest Hill. 1594 Comment
  CDA5128  Lythrum salicaria K. Connolly 1991-7-24 Placer South side of Virginiatown Road, 0.5 mile east of McCourtney Road, Lincoln. 0 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
  CAS-BOT-BC344463  Madia exigua David D. Keck 1933-5-31 2427 Placer Just south of Auburn, on road to Roseville 305 Comment
  CAS-BOT-BC344464  Madia exigua Kellogg; Brannan 1870-6-8 s.n. Placer Cisco, Sierra Nevada Mts Comment
  SJSU3622  Madia exigua C. W. Sharsmith 1962-5-27 6913 Placer near Clipper Gap c. 6 mi N of Auburn on Donner Summit Rd (Hwy 40) 512 Comment
  CAS-BOT-BC342837  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  CDA13697  Madia glomerata G. F. Hrusa, J. Glazner 1997-8-3 14057 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  POM284947  Madia glomerata Lyman Benson 1932-7-31 4022 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  UC170026  Madia glomerata Miss Helen D. Geis 1912-6 169 Placer Deer Park Comment
  UCD42932  Madia glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 301 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD75734  Madia glomerata Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5196 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, side of undeveloped road near hairpin turn. 2160 Comment
  POM52138  Madia minima Harriet Ann Walker 1910-06 2036 Placer Deer Park, in the Lake Tahoe district Comment
  RSA463211  Maianthemum racemosum subsp. amplexicaule J. H. Nishida 1985-7-10 786 Placer Homewood. 1829 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
  UC28955  Marah watsonii Bolander 4533 Placer Auburn Comment
  RSA0038509  Marrubium vulgare George K. Helmkamp, Mary Alice Barnes 2013-5-3 20470 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  CDA42746  Marsilea vestita R. Danielson 1962-6-17 s.n. Placer Highway 99 E to Marysville, 4 miles north of Roseville. 0 Comment
  SEINET6166091  Marsilea vestita subsp. vestita J. T. Howell 1961-9-25 36949 Placer Feather River bed, Portolla 1478 Comment
  SEINET7843610  Medicago arabica F. Brunetti 1962-4-1 s.n. Placer 2 miles east of Auburn, on north fork American River. 274 Comment
  SEINET4560777  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 2012-1 19217 Placer Northern Sierra Nevada Mountains; Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  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
  UCR257592  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22532 Placer Sierra Nevada Mountains Foothills, North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49 433 Comment
  SACT001473  Melica aristata Michael Baad 1983-7-23 Placer .25 mile west of US Highway 89. Boggy meadows along road. 1828.8 Comment
  UCD66808  Melica aristata Beecher Crampton 1955-7-13 2983 Placer Above U. S. Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCD67013  Melica aristata Beecher Crampton 1955-6-15 2905 Placer Yankee Jims. Comment
  RSA135800  Melica bulbosa John H. Thomas, Hazelle A. Thomas 6140 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2134 Comment
Read comments
May 29 2013
  SACT001478  Melica bulbosa Michael Baad 1977-6-8 Placer Overlooking the south run of Middle Fork of American Fork of American River. 2 miles northwest of Brushy Creek Station. 1219.2 Comment
  SACT001499  Melica californica Josephine Van Ess 1977-4-27 Placer Collected near top of hill where flume crosses the road. Dry slope. 140.2 Comment
  UCD86450  Melica californica Beecher Crampton 1957-5-7 3980 Placer 3.2 miles north of city of Roseville, along railroad and U.S. Highway 99E. Comment
  CAS-BOT-BC282115  Melica geyeri Marcus E. Jones 1982-6-30 3553 Placer Emigrant Gap Comment
  SD247288  Melica harfordii George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20819 Placer Northern Sierra Nevada Moutains Foothills: Yankee Jim's Road, 3.6 mile northwest of its junction with Forest Hill Road (Forest Hill 7.5'Q) 768 Comment
  UCR146664  Melica harfordii Beecher Crampton 1955-6-15 2884 Placer Sierra Nevada Mountains, Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road 518 Comment
Read comments
Oct 11 2010
  CHSC68074  Melica subulata James D. Jokerst 1986-7-12 2691 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. 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
  SACT001556  Melica torreyana D. Meyer 1984-6-23 Placer 1 km from Interstate 80 Frontage Road, shady hillside with Oak and Douglass Fir 978.0 Comment
  UCR218451  Melica torreyana George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16427 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  UCR253573  Melica torreyana George K. Helmkamp, Amy Barnes 2014-4-23 22799 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
  UCD33737  Melilotus albus Beecher Crampton 1972-7-26 8848 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  SEINET2470935  Mentzelia dispersa K. Christie 2010-6-30 1876 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  UC1602077  Mentzelia dispersa Katharine Brandegee Placer Emigrant Gap. Comment
  UC872397  Mentzelia dispersa unknown 12885 Placer Upper limit of the yellow pine belt (P. Jeffreyi) Summit Station 2121 Comment
  UC108372  Mentzelia dispersa C. F. Sonne 1885-7-11 Placer Sierra Nevada, Truckee Comment
  UCD22378  Micranthes aprica Rex Palmer 1979-6-19 N 243 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC428682  Micranthes bryophora C. F. Sonne 1884-8-24 89 Placer Sierra Nevada Mts. Granite Rock above Coldstream 2438 Comment
  UCD22364  Micranthes bryophora Beth Lowe Corbin 1982-8-19 386 Placer 2 miles SSE of The Cedars. 2011 Comment
  UCD75821  Micranthes nidifica Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5176 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail by creek. 2145 Comment
  UCR207871  Micropus californicus var. californicus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14578 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  CAS-BOT-BC349327  Microseris nutans John H. Thomas; Hazelle A. Thomas 1956-7-21 6143 B Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD75936  Microseris nutans Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5158 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. Sides of trail. 2124 Comment
  JEPS127495  Microsteris gracilis Steve Matson 2002-5-26 520 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UC886381  Mimulus angustatus C. L. Hitchcock 1940-5-14 6397 Placer ca. 6 mi n Colfax (Meier Ranch) 762 Comment
  UCD122166  Mimulus angustatus Kenneth T. Stearns 1975-5-24 s.n. Placer Todd Valley Estates, south field at end of Redwood Court. 822 Comment
  CDA19493  Mimulus aurantiacus M. I. Wibawa 2002-5-27 266 Placer Sacramento Valley; Folsom Lake State Recreation Area. 121 Comment
  JEPS79780  Mimulus aurantiacus Matt Herbrand 1916-7-2 Placer Emigrant Gap Comment
  UC886165  Mimulus aurantiacus var. grandiflorus Marcus E. Jones, A. M. 1882-6-28 3288 Placer Emigrant Gap Comment
  UCD122317  Mimulus aurantiacus var. grandiflorus F. A. MacFadden 1934-7-2 s.n. Placer American River, Rawhide Mine. Comment
  RSA550839  Mimulus aurantiacus var. grandiflorus David M. Thompson 1992-6-9 1124 Placer 13.4 mi SE of Foresthill Road ( and town of Foresthill) along Mosquito Ridge Road. 747 Comment
  POM5148  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 549 Comment
  UCD21876  Mimulus breweri Beth Lowe Corbin 1982-8-18 367 Placer 1 mile SW of The Cedars. 1828 Comment
  RSA795365  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16775 Placer 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
  SCFS11529138  Mimulus cardinalis E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2.5 mi downstream from Cedars. Growing in creek gravel bar near confluence with river. Comment
  UCR231861  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16775 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  UC193598  Mimulus douglasii Mrs. M. E. P. Ames 1885-1 6202 Placer Auburn Comment
  UCR194697  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12210 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 Comment
  UCR208601  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14629 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCR240956  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19907 A Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  SEINET8274773  Mimulus guttatus Keith G. Weinstock 1975-5-24 29 Placer 0.1 mile down Foresthill Road and Old Foresthill Road. Comment
  CDA41699  Mimulus leptaleus S. E. Schoenig 1998-8-29 98 84 b Placer Adjacent to trail Glacier Lake, 0.5 miles east of intersection with Sand Ridge Trail. Comment
  CDA41700  Mimulus leptaleus S. E. Schoenig 1998-8-29 98 -79 Placer Adjacent to trail Glacier Lake, 0.5 miles east of intersection with Sand Ridge Trail. Comment
  UC1063101  Mimulus lewisii B. Bolt 1934-7-16 119 Placer Wabeno Creek Tahoe National Forest, Truckee Quadrangle Comment
  UC445154  Mimulus microphyllus H. M. Hall 1910-6-28 8721 Placer opposite Cisco; Sierra Nevada Mts., Rattlesnake Creek 1828 Comment
  UCD43272  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 640 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC702887  Mimulus moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney) Lake Tahoe Comment
  CHSC81824  Mimulus moschatus Lowell Ahart 2001-10-10 9357 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
  UCD21877  Mimulus moschatus Beth Lowe Corbin 1982-8-10 289 Placer 3/4 mile west of Onion Creek campground. 2023 Comment
  UCD21892  Mimulus moschatus Rex Palmer 1979-6-21 N 382 Placer Tinker Knob, west ridge. Comment
  UCD75683  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5132 a 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
  CDA33293  Mimulus moschatus Rex Palmer 1979-7-9 N 436 Placer Headwaters Basin area of the North Fork of the American River. Onion Creek Meadow #2 0 Comment
  UCD122789  Mimulus nanus var. jepsonii G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12057 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 11.1 miles northeast of Foresthill. Comment
  RSA422238  Mimulus nanus var. mephiticus Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UCD21893  Mimulus nasutus Rex Palmer 1979-6-21 N 373 Placer Exact location unknown. Comment
  RSA569209  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD75682  Mimulus primuloides Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5132 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, near underdeveloped road that crosses the creek. 2106 Comment
  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
  UCD43357  Mimulus primuloides var. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 725 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44420  Mimulus primuloides var. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1786 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44654  Mimulus primuloides var. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2020 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS8656  Mimulus pulsiferae Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunziker, D. Zohary, F. Ehrendorfer & H. Stutz 1952-7-20 3882 Placer 7 mi e Iowa Hill (tributary of the upper reaches of creek); Tahoe Nat. Forest, Shirttail Creek Comment
  UCD44452  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1818 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR209587  Mimulus torreyi George K. Helmkamp, E. A. Helmkamp 2009-8-12 15425 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  SEINET3161097  Mitella G. B. Grant 1906-1 7133 Placer About Lake Tahoe 2438 Comment
  UC1221747  Modiola caroliniana Beecher Crampton 1959-7-23 5427 Placer about 6 mi n of Folsom (vicinity of Stallman Corner's) Comment
  POM70499  Monardella candicans Marcus E. Jones 1882-7-4 s.n. Placer Colfax. Comment
  SEINET3224456 Image available Monardella candicans Marcus E. Jones 1882-7-4 3458 Placer Colfax Comment
  RSA531309  Monardella odoratissima subsp. pallida Walter Wisura 1991-8-22 4546 Placer Squaw Valley, beyond upper cable car stn. on steep E-facing slope below rocky summit 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
  UC128213  Monardella odoratissima subsp. pallida Miss Harriet A. Walker 1908-7-25 1389 Placer Cisco 1810 Comment
  UC148981  Monardella odoratissima subsp. pallida H. M. Hall July 1, 1910 8731 Placer Cisco Sierra Nevada Mountains 1828 Comment
  UC2035926  Monardella odoratissima subsp. pallida Robert T. Clausen and Harold Trapido 1940-7-13 4883 Placer North of Ward Creek, west side of Lake Tahoe, 2 miles north of Tahoe Pines, Sierra Nevada, Lake Tahoe Basin 1905 Comment
  UC883618  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1934-7-8 Placer Cisco, 10 miles west of Donner Summit Comment
  UCR190151  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2007-8-1 12642 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR200859  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2008-9-15 14103 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UCR201923  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2008-8-20 14030 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  SEINET10582096  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 271 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
  SEINET10582104  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 273 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  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
  CAS-BOT-BC220478  Monardella sheltonii H. D. Ripley; R. C. Barneby 1948-7-12 9817 Placer Applegate 609 Comment
  RSA755737  Montia fontana Barbara Ertter, Niall McCarten, Tom Fraser 1991-3-29 9722 Placer 2-3 miles south of Lincoln 46 Comment
  CDA15989  Muhlenbergia filiformis G. F. Hrusa, J. Glazner 1999-7-17 15171 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. . 1889 Comment
  SACT001589  Muhlenbergia filiformis D. Meyer 1984-7-8 Placer Road to Lake Valley Reservoir roadside. 1758.0 Comment
  UCD22225  Muhlenbergia filiformis Rex Palmer 1979-7-9 N 442 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS127532  Myosurus apetalus var. montanus Steve Matson 2000-7-6 463 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, east of Martis Creek, east of logging road. Comment
  CDA19071  Myriophyllum aquaticum R. Simon 2001-4-13 PDR 062707 Placer Corner of Roseville Parkway and Ornetto, Roseville. 0 Comment
  UCD102557  Myriophyllum quitense Lars Anderson; Doreen Gee 2008-12-9 s. n. Placer Lake Tahoe (California side, near Tahoe Keys East Channel). Approximately 500 ft. from entrance to Tahoe Keys Marina. Comment
  RSA782545  Nama lobbii George K. Helmkamp, Amy Barnes 2009-7-12 15186 Placer Along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  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
  UCD21972  Navarretia divaricata Beth Lowe Corbin 1982-8-18 366 Placer 1 mile SW of The Cedars. In sandy, disturbed soil along logging road in White Fir forest. Flowers white, aging to pink. Ful lsun. NE facing slope, 20% incline. Common. 1828 Comment
  RSA293380  Navarretia divaricata Reino Alava 1958-5-3 2008 -A Placer Along the road near the North Fork Dam of the American River; south [end] of Lake Clementine. About 3 miles northeast of Auburn Comment
  UC570285  Navarretia divaricata subsp. vividior G. T. Nordstrom 1934-6-21 150 Placer 0.4 mi nw Mammoth Springs; Tahoe National Forest, Colfax Quad. 1706 Comment
  UCR146676  Navarretia divaricata subsp. vividior Beecher Crampton 1955-6-15 2921 Placer Sierra Nevada Mountains, 10 wiles west of Forest Hill 549 Comment
  RSA21275  Navarretia eriocephala C. B. Wolf 1937-5-12 8618 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  POM74451  Navarretia filicaulis Katherine Brandegee 1908-07 3417 Placer Cape Horn. Comment
  UC52811  Navarretia filicaulis Edward Lee Greene 1883-1 Placer Colfax Comment
  UCD43346  Navarretia intertexta subsp. intertexta C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 714 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CDA15932  Navarretia intertexta subsp. propinqua G. F. Hrusa, J. Glazner 1999-7-17 15173 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  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
  SEINET14058121  Navarretia intertexta subsp. propinqua F. H. Hillman s. n. Placer Between Truckee and Lake Tahoe Comment
  UCD38931  Navarretia leptalea Beecher Crampton 1961-9-27 6003 Placer 1 mile west of Cisco Grove, along US Hwy 40, Yuba River Basin. Comment
  SEINET14151936  Navarretia leptalea subsp. leptalea Trevitt 1932-7-5 s. n. Placer [Sierra Nevada] Tahoe Vista Comment
  SEINET14151954  Navarretia leucocephala subsp. leucocephala B. Crampton 1953-5-26 1334 Placer 2 mi N of Lincoln, Sunnybrook Farm (Francheschi) Comment
  UCR198536  Navarretia leucocephala subsp. leucocephala George K. Helmkamp, E. A. Helmkamp 2008-4-17 13287 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  JEPS127513  Navarretia leucocephala subsp. minima Steve Matson 1998-6-21 820 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  RSA0047750  Nemophila heterophylla George K. Helmkamp, Mary Alice Barnes 2013-4-18 20374 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UC1586074  Nemophila heterophylla Barbara Ertter with David Thompson 1989-4-8 8168 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); nr entrance to Auburn State Recreation Area, Iowa Creek Rd 518 Comment
  SEINET5521021  Nemophila menziesii A. Beninghoff 1930-3-15 2684 Placer 5 miles east of Lincoln Comment
  UC449911  Nemophila menziesii Francis Ramaley 1917-4-14 11107 Placer Lincoln Comment
  OBI48645  Nemophila pedunculata Lewis S. Rose 1940-6-2 40464 Placer Truckee River, 10 mi N of Tahoe city 1829 Comment
  SD241051  Nemophila pulchella var. fremontii George K. Helmkamp, E. A. Helmkamp 2010-4-17 15901 Placer Northern Sierra Nevada Mountains Foothills: along CA-49, 2.5 miles southeast of Pilot Hill (Colloma 7.5'Q) 270 Comment
  UCD22024  Nemophila spatulata Rex Palmer 1979-6-8 N 124 A Placer Headwaters basin area of the North Fork of the American River. Comment
  UC170084  Nicotiana attenuata Miss Helen D. Geis 1912-6 205 Placer Tahoe City Comment
  UCD110234  Notholithocarpus densiflorus var. echinoides G. L. Stebbins Jr. 1941-7-16 3168 Placer Blue Canyon. Comment
  UC169244  Oenothera cespitosa subsp. marginata Katharine Brandegee June 1913 2047 K Placer Canyon of the Truckee Comment
  UC174843  Oenothera cespitosa subsp. marginata Katharine Brandegee June 1913 Placer Canyon of the Truckee Comment
  JEPS71554  Oreostemma alpigenum var. andersonii Gladys L. Smith 1972-8-25 3430 Placer meadow below cirque, north face Granite Chief Granite Chief 2575 Comment
  CAS-BOT-BC349976  Oreostemma alpigenum var. andersonii W. R. Dudley 1900-6-29 s.n. Placer Meadow back of Tahoe City Comment
  UCD21985  Orobanche californica subsp. grayana Beth Lowe Corbin 1982-8-19 384 Placer 2 miles south of The Cedars. 2118 Comment
  JEPS72369  Orobanche corymbosa subsp. corymbosa Gladys L. Smith 1972-8-25 3413 Placer Below Watson Monument trail to Granite Chief. Comment
  UCR173258  Orobanche uniflora George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10446 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  RSA0068982  Orobanche uniflora subsp. occidentalis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap Comment
  UCD162600  Orogenia fusiformis Steve Matson 2009-5-9 2200 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of Martis Creek; about 1 kilometer SW of Parking area. 1780 Comment
  CDA15919  Orthocarpus cuspidatus subsp. cryptanthus G. F. Hrusa, J. Glazner 1999-7-17 15144 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS4541  Orthocarpus cuspidatus subsp. cryptanthus Alice Eastwood Aug. 1909 255 Placer Deer Park , Deer Park (Lake Tahoe Region) Comment
  JEPS86485  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6565 Placer ca 5 mi se Donner Lake (below Ada's Rock, sw slope of Tinker Knob, Sherman Chickering's Soda Springs holdings); se of Donner Lake, sw slope of Tinker Knob 2407 Comment
  UCD21898  Orthocarpus cuspidatus subsp. cryptanthus Beth Lowe Corbin 1982-8-4 241 Placer 1 1/2 mile north of Onion Creek campground. 2255 Comment
  UCD127774  Osmorhiza berteroi G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12049 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCD43254  Osmorhiza berteroi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 623 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD74022  Osmorhiza chilensis Jennifer W. Burt; Sarah Shannon 2005-7-8 144 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  CDA15687  Osmorhiza occidentalis G. F. Hrusa, J. Glazner 1999-7-18 15238 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC79644  Osmorhiza occidentalis G. F. Hrusa; J. Glazner 1999-7-18 15238 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S 43434 N, 07418 E. 1889 Comment
  JEPS59351  Osmorhiza occidentalis Ezra Brainerd and Viola B. Baird 1915-7-25 209 Placer Garden of the Gods Deer Park Valley (head of valley) 2072 Comment
  CAS-BOT-BC413164  Oxyria digyna A. A. Heller 1917-8-14 12922 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  CAS-BOT-BC10505  Paeonia brownii Alice Eastwood 1912-6-15 362 Placer Deer Park, Lake Tahoe Region Comment
  RSA202359  Paeonia brownii Edward L Smith 1967-6-17 s.n. Placer 1 mile E of Emigrant Gap. 1616 Comment
  UCD33549  Panicum acuminatum var. fasciculatum Beecher Crampton 1969-7-1 8489 Placer 1/4 mile W of Emigrant Gap post office on Interstate Hwy. 80. Comment
  UCD36117  Panicum acuminatum var. fasciculatum Beecher Crampton 1952-11-9 917 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UCD88218  Panicum acuminatum var. fasciculatum Beecher Crampton 1955-7-13 2987 Placer 3.5 miles east of Baxter, along U.S. Highway 40. 1432 Comment
  UCD88540  Panicum acuminatum var. fasciculatum Beecher Crampton 1969-7-1 8489 Placer Nyack. Interstate Hwy. 80 eastbound. 1615 Comment
  SACT001629  Panicum capillare Josephine Van Ess 1976-8-11 Placer 91.5 Comment
  UCD89791  Panicum capillare subsp. hillmanii Beecher Crampton 1975-9-9 9281 Placer Alta. Along Interstate Hwy. 80 W. 1188 Comment
  CDA32599  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln, irrigation ditch. 0 Comment
  POM308680  Pedicularis attollens Betty J. Jorgensen 1944-7-23 528 Placer Near Soda Springs. Comment
  RSA123607  Pedicularis groenlandica E. F. Sprague 1957-7-12 1406 Placer Sugar Bowl, Norden. 2134 Comment
Read comments
May 24 2015
  CHSC11093  Pedicularis racemosa Lowell Ahart 1968-8-11 Placer French meadows. 1524 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
  CDA11927  Pedicularis semibarbata G. F. Hrusa, J. Dinsdale 1989-5-2 7064 Placer Sierra Nevada; Mosquito Ridge Rd, at intersection of spur to Placer Redwood Grove. Comment
  JEPS73663  Pedicularis semibarbata L. R. Heckard with G. L. Stebbins 1973-6-17 3452 Placer about 7 air mi se of Emigrant Pass (Summit of Big Valley Bluff); Big Valley Bluff 1935 Comment
  POM44038  Pedicularis semibarbata Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UC373264  Pedicularis semibarbata Marcus E. Jones, A. M. Jun 1882 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  UC886735  Pedicularis semibarbata Lewis S. Rose 1941-7-12 41303 Placer Chambers Lodge, (McKinney) Chambers Lodge; Lake Tahoe 1950 Comment
  UCD123300  Pedicularis semibarbata Nancy L. Leman 1973-5-27 215 Placer Placer County Grove Sierra Redwoods, ca. 30 miles east of Foresthill via Mosquito Ridge Road. Comment
  UCR209726  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15454 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  RSA331973  Pellaea brachyptera W. Wisura, Dave Kelly 1985-6-1 4049 Placer Nayak, near Emigrant Gap, along dead end rd. to railway siding, on rocks. Comment
  POM281937  Pellaea bridgesii Lyman Benson 1933-6-26 4541 Placer Cisco 1829 Comment
  UCD69352  Pellaea bridgesii S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  CAS-BOT-BC67604  Pellaea bridgesii David D. Keck 1932-6-30 1573 Placer Sierra Nevada - 1 mile E. of Cisco. 1798 Comment
  CAS-BOT-BC67622  Pellaea mucronata Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4018 Placer Abvoe bridge on North Fork American River on Rt. 49. 365 Comment
  UC1713523  Pellaea mucronata var. mucronata H. M. Hall 1916-6-20 Placer near Applegate (Pincrest); Seirra Nevada Mts 731 Comment
  UC887118  Penstemon Marcus E. Jones, A. M. 1882-7-1 3434 Placer Emigrant Gap Comment
  JEPS15110  Penstemon azureus B. Bolt 1934-7-11 96 Placer Cascade Lakes Tahoe National Forest, Truckee Quadrangle 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
  RSA0093629  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19208 Placer Northern Sierra Nevada Mountains Foothills. Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road. 820 Comment
  UCR240895  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19208 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  UC580689  Penstemon azureus var. azureus B. Bolt 1934-7-11 96 Placer Cascade Lakes Truckee Quadrangle Comment
  SEINET5326488 Image available Penstemon azureus var. azureus M. J. Williams 1985-7-13 85- 62 -2 Placer Near the beginning of the Pacific Crest Trail, near summit of old Donner Hwy. Sierra Nevada 2152 Comment
  JEPS71732  Penstemon deustus Gladys L. Smith 1972-6-20 3227 Placer Ward Peak 2632 Comment
  JEPS72216  Penstemon deustus var. pedicellatus Gladys L. Smith 1972-6-20 3242 Placer steep slope just below Ward Peak summit; just below Ward Peak summit 2628 Comment
  RSA78006  Penstemon heterophyllus subsp. purdyi Verne Grant, Alva Grant 1947-05 7971 Placer Weimar. 671 Comment
  SBBG32352  Penstemon laetus L. S. Rose 1968-6-9 68070 Placer Alta 1066 Comment
  UCD83647  Penstemon laetus Albert Grigarick 2009-9-10 200 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  POM114616  Penstemon laetus var. laetus Ralph Hoffmann 1927-7-17 s.n. Placer Pinos. Comment
  SD243212  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18190 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UCD123928  Penstemon neotericus D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. Mesic white fir forests. 1500 Comment
  OBI24256  Penstemon newberryi N. H. Russell 1961-6-16 11041 Placer 5 mi E of Calif 89, S end of Lake Tahoe Comment
  SCFS11529146  Penstemon newberryi E. Krimmel 2014-4-21 Placer Point Mariah Comment
  UCD21912  Penstemon newberryi Rex Palmer 1979-7-11 N 576 Placer Headwaters basin area of the North Fork of the American River Comment
  POM44112  Penstemon newberryi subsp. newberryi Marcus E. Jones 1982-6-28 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC239278  Penstemon newberryi var. berryi Jas. L. Walters 1940-5-11 s.n. Placer Near Yuba Pass overhead east of Emigrant Gap Comment
  CAS-BOT-BC239280  Penstemon newberryi var. berryi E. A. McGregor 1909-8-13 114 Placer Lake Tahoe Region. Susie Lake 2331 Comment
  UC887196  Penstemon newberryi var. newberryi A. A. Heller 1917-6-18 12710 Placer below Cisco (along the Yuba river) Comment
  JEPS59357  Penstemon newberryi var. newberryi Ezra Brainerd and Viola B. Baird 1915-7-9 107 Placer near camp at Bear Rock, Truckee River Sierra Nevada Mountains 1889 Comment
  POM44791  Penstemon roezlii Marcus E. Jones 1882-7-1 3434 Placer Emigrant Gap. Comment
  UCR246825  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16647 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-BC239578  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133 Comment
  CAS-BOT-BC239580  Penstemon rydbergii var. oreocharis Isabel McCracken 1938-7-2 s.n. Placer Dutch Flat Comment
  CHSC72890  Penstemon rydbergii var. oreocharis L. P. Janeway; Eric Schroder 1998-7-13 5742 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC74003  Penstemon rydbergii var. oreocharis Susi Urie 1998-9-1 98 -198 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74130  Penstemon rydbergii var. oreocharis Susi Urie 1998-8-18 98 -065 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  NY651288  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  JEPS11514  Penstemon speciosus W. L. Jepson 1918-7-30 7719 Placer Lake Tahoe near Tahoe City; Lake Tahoe near Tahoe City 1920 Comment
  UC527359  Penstemon speciosus C. B. Wolf 1931-9-10 2418 Placer Lake Tahoe just nw Chambers Lodge; Lake Tahoe just nw of Chambers Lodge 1920 Comment
  POM283518  Penstemon speciosus Lyman D. Benson 1932-7-31 4018 Placer 2 mi N Tahoe Tavern. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  POM283523  Penstemon speciosus Lyman D. Benson 1932-7-31 4026 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  RSA101445  Penstemon speciosus R. Weatherby 1955-6-22 1534 Placer Road to Spanish Peak lookout. 1829 Comment
  UCD164637  Pentagramma triangularis subsp. triangularis Brandi Sorensen 1995-6-1 27 Placer .73 kilometers northwest of Colfax. 671 Comment
  RSA459111  Perideridia bolanderi subsp. bolanderi Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  UCD127956  Perideridia parishii subsp. latifolia F. A. MacFadden 1934-7-2 s.n. Placer American River, 1/2 mile east of Rawhide Mine. Comment
  UCD42830  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 196 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC81809  Persicaria lapathifolia Lowell Ahart 2001-10-10 9364 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  SD51289  Persicaria punctata Darley F. Howe 1961-8-8 3134 Placer 4 miles north of Auburn, by canal 456 Comment
  CDA36375  Petrorhagia dubia G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14621 Placer Sierra Nevada Mountains Foothills; Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir. Comment
  UCR250351  Petrorhagia dubia George K. Helmkamp, Mary Alice Barnes 2013-4-18 20357 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  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
  SFV8392  Petrorhagia dubia M. D. Clegg 1963-5-4 27 Placer Folsom Reservoir, 2 miles north of Folsom in southeast corner of Placer County. 61 Comment
  UCD22077  Phacelia Rex Palmer 1979-6-20 N 280 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC24402  Phacelia egena Mrs. M. M. Hardy 1893-1 Placer Comment
  JEPS127468  Phacelia hastata subsp. hastata Steve Matson 2003-7-4 822 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 50 meters north of Highway 267; 600 meters west of Martis Creek. Comment
  UCR120240  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5025 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  OBI82266  Phacelia heterophylla subsp. virgata George K. Helmkamp, Mary Alice Barnes 2013-5-3 20487 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
  UC1208873  Phacelia heterophylla subsp. virgata G. T. Nordstrom 1934-6-22 154 Placer Mammoth Springs Tahoe National Forest, Colfax Quadrangle Comment
  UC163972  Phacelia humilis Miss H. A. Walker 1910-6-13 2030 Placer near Deer Park; Tahoe District 1970 Comment
  JEPS3191  Phacelia hydrophylloides Leland S. Smith 1918-5 2211 Placer Squaw Creek 2133 Comment
  UCD75688  Phacelia hydrophylloides Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5137 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
  SD44659  Phacelia imbricata Darley F. Howe 1951-5-1 2102 Placer 456 Comment
  JEPS1195  Phacelia marcescens M. E. Jones 1882-6-27 3294 Placer Emigrant Gap Comment
  UC660091  Phacelia marcescens G. L. Stebbins Jr. 1940-6-9 3036 Placer 1 mi w Cisco; South Fork Yuba River Comment
  UCD120564  Phacelia marcescens G. L. Stebbins 1977-7-8 7761 Placer East side of McKinistry Peak. 2316 Comment
  RSA0009687  Phacelia procera Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  POM65397  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer Cisco. 1804 Comment
  UC107463  Phacelia racemosa A. Kellogg July 1870 Placer Summit Comment
  RSA0009580  Phacelia racemosa Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UCD88773  Phalaris canariensis Collector Unknown 1925-5-29 2099 Placer Auburn. Comment
  SBBG70497  Philadelphus lewisii M. N. Ackley -Jun-1925 1003 Placer Shirttail Cyn 762 Comment
  UC11451  Philadelphus lewisii Mrs. M. M. Hardy 1893-1 Placer Comment
  SACT001736  Phleum alpinum Michael Baad 1976-8-7 Placer 2072.0 Comment
  SACT001754  Phleum pratense Michael Baad 1976-8-4 Placer At end of jeep road. Eats of Mildred Ridge. 1975.0 Comment
  POM74807  Phlox diffusa subsp. diffusa Marcus E. Jones 1882-6-28 10481 Placer Emigrant Gap. Comment
  CDA12295  Phlox gracilis G. F. Hrusa 1989-5-2 7066 Placer Sierra Nevada; Mosquito Ridge Road about 15 km. beyond crossing of North Fork of Middle Fork of the American River. Comment
  UC23685  Phlox gracilis C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  UCD162875  Phoenicaulis cheiranthoides Jack Major 1962-6-3 s.n. Placer Granite Chief Wilderness. Top of Ward Peak. (Exact location unknown. Coordinates estimated by label maker.) 2632 Comment
  UCD22354  Phoenicaulis cheiranthoides Rex Palmer 1979-6-9 N 157 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  CAS-BOT-BC135093  Phoradendron juniperinum Ira L. Wiggins 1930-10-12 5084 Placer near Cisco 1981 Comment
  UC480738  Phyllodoce breweri W. C. Blasdale 1923-7-19 Placer Ellis Peak; Yosemite National Park, Ellis Peak Comment
  UCD21481  Phyllodoce breweri Rex Palmer 1979-7-11 N 568 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET7270713  Phyllodoce breweri W. D. Billings 1951-8-21 2151 Placer Sierra Nevada, east side of Granite Chief 2621 Comment
  CAS-BOT-BC60741  Physaria occidentalis C. F. Sonne 1886-7-18 23 Placer Sierra Nevada Mountains. Head of Squaw Valley on Truckee River. 2438 Comment
  UC1021595  Pilularia americana W. A. Weber 1953-5-19 8396 Placer 5 mi n Roseville (on rd. to Lincoln) 45 Comment
  CAS-BOT-BC78460  Pinus contorta subsp. murrayana Ira L. Wiggins 1930-10-12 5081 Placer Donner Summit 2174 Comment
  UC1076347  Pinus contorta subsp. murrayana Herbert L. Mason 1929-10-4 5476 Placer Placerville road summit Johnson Pass Comment
  OBI20101  Pinus jeffreyi David J. Keil 1978-7-23 12952 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 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
  UCD23233  Pinus lambertiana Beth Lowe Corbin 1982-8-20 394 Placer 1 mile northwest of Onion Creek campground. 2072 Comment
  UCD15411  Pinus ponderosa Lorraine Prunier 1982-5-22 22 Placer at Yuba Pass on Hwy 49. 2286 Comment
  NY951541  Pinus ponderosa var. ponderosa D. H. Goldman 2004-12-24 3007 Placer "Mosquito Narrows," Mosquito Ridge, just N of Mosquito Ridge Road (Forest Road 96), just E of the intersection with a dirt road going to the NW, about 5.9 miles from the parking lot at the Placer County Big Tree Reserve and about 18.9 miles E of the 1289 Comment
  SD112167  Pinus sabiniana Darley F. Howe 1948-5-22 1819 Placer 669 Comment
  SCFS1164  Piperia E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Meadow. Comment
  UC990912  Plagiobothrys fulvus D. F. Howe 1951-5-1 Placer 457 Comment
  JEPS113116  Plagiobothrys greenei Lowell Ahart, Brian Williams 2007-4-13 13637 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC881365  Plagiobothrys hispidulus A. A. Heller 1917-8-12 12877 Placer Southern Pacific Reservoir w Emigrant Gap; Southern Pacific Reservoir Comment
  CAS-BOT-BC230944  Plagiobothrys hispidulus Le Roy Abrams 1911-7-27 4770 Placer Lake Tahoe Region. Lake Valley 1950 Comment
  SD241781  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18646 Placer Sacramento Valley: along CA-193, 0.1 mile west of its junction with Sierra College Blvd. Wide flat between highway and oaks. 88 Comment
  SEINET2441549  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14583 Placer Sierra Nevada Mountains Foothills: Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake (Greenwood 7.5' Q.). 732 Comment
  SJSU8063  Plagiobothrys nothofulvus R. L. Randall 1969-5-10 40 Placer along Middle Fork American R c. 8 mi above its junction with N Fork American R. Comment
  RSA39949  Plagiobothrys scouleri var. hispidulus J. T. Howell 1943-7-19 18581 Placer Summit Valley Comment
  SEINET9335657  Plagiobothrys scouleri var. hispidulus Unknown 1999-7-17 15162 Placer Martis Valley, off Hwy 267, S of Truckee. Lower, wetter part of drainage, surrounded by open to +- closed Pinus jeffreyi grading into Abies concolor coniferous forest. +- moist, open sites, but not wet. Uncommon annual. Comment
  CHSC67789  Plagiobothrys scriptus James D. Jokerst 1986-3-19 2599 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. Comment
  CHSC96475  Plagiobothrys stipitatus var. micranthus Lowell Ahart; Brian Williams 2007-4-13 13638 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SBBG128602  Plagiobothrys undulatus G. K. Helmkamp, E. A. Helmkamp 2011-5-12 17255 Placer S of Lincoln along Athens Ave, 1.6 mi E of Fiddyment Rd, 0.6 mi W of Industrial Ave 41 Comment
  UCD34137  Plantago erecta Beecher Crampton 1977-4-3 9461 Placer 3.5 miles north of Auburn, just east of Elder's Corner on Dry Creek Road. Comment
  SEINET8665599  Plantago erecta S. Aarstad 1979-4-1 s.n. Placer 1/2 mile E of junct. of old & new Auburn- Forest Hills Road 792 Comment
  CDA36964  Plantago lanceolata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CHSC10719  Plantago major Lowell Ahart 1969-7-30 Placer Near Ahart Camp, French Meadows. 1524 Comment
  UC429340  Platanthera J. A. Decou 1900-8-5 456 Placer McKinney's Tahoe Comment
  CAS-BOT-BC136638  Platanthera John H. Thomas; Hazelle A. Thomas 1956-7-21 6201 Placer Field redacted by CAS, contact the data manager for more information 2377 Comment
  SJSU9113  Platanthera dilatata var. leucostachys N. D. Addy 1962-7-8 174 Placer Hwy 89, 1.5 mi N of Fallen Leaf Lake 1920 Comment
  CHSC74463  Platanthera leucostachys Susi Urie; Eric Schroder 1998-9-9 98 -309 Placer On south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  SD243048  Platanthera leucostachys George K. Helmkamp, E. A. Helmkamp 2010-8-14 16793 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 mmiles south of its junction with Foresthill Road and just south of a creek crossing. 1552 Comment
  UCR200864  Platanthera leucostachys George K. Helmkamp, E. A. Helmkamp 2008-9-15 14118 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  UC635444  Platystemon californicus Dorothy Tebbe 1930-4-5 94 Placer near Roseville; near Roseville Comment
  SEINET5340049  Platystemon californicus B. Adams 1956-3-27 20 Placer Plowed field about 2 miles south of Roseville. 152 Comment
  SEINET8530800  Plectritis ciliosa A. Beninghoff 1930-4-20 2957 Placer 6. mi S of Auburn, California Comment
  JEPS5277  Plectritis ciliosa subsp. ciliosa R. E. Arp 1932-4-18 10 Placer Roseville Comment
  CAS-BOT-BC458183  Pleuricospora fimbriolata Helen Eloesser La Plant 1945-8-1 s.n. Placer Lake Tahoe region, Sunnyside Lane, about 3 mi S of Tahoe City, 1/4 mi. N of Ward Creek 1341 Comment
  JEPS59368  Pleuricospora fimbriolata Ezra Brainerd and Viola B. Baird 1915-7-28 117 Placer Bear Rock along Trail up Truckee River, Sierra Nevada Mountains Bear Rock Bear Rock; Sierra Nevada Mountains, Truckee River, Bear Rock 1895 Comment
  SFV18643  Pleuricospora fimbriolata J. D. Dilley 2002-6-3 451 Placer Sierra Nevada Cuckoo Ridge, trail to Grouse Ridge Falls, 1 mile from trailhead. Comment
  UCD22231  Poa Rex Palmer 1979-6-8 N 113 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS113243  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
  SACT001779  Poa annua D. Meyer 1983-5-15 Placer In field at southeast corner 36.6 Comment
  UCR249608  Poa annua George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20836 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  CAS-BOT-BC254759  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer Base of a cliff N of Summit hotel 2164 Comment
  CAS-BOT-BC254763  Poa bolanderi Lewis S. Rose 1944-7-26 44269 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CHSC68076  Poa bolanderi James D. Jokerst 1986-7-12 2689 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  SACT001800  Poa bolanderi Michael Baad 1983-8-11 Placer To Five Lakes Basin, continuing 3.6 km west toward Whiskey Creek. 2072.0 Comment
  UCD21596  Poa bolanderi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1260 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
  UCD74217  Poa bolanderi Jennifer W. Burt; Sarah Shannon 2005-7-8 157 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  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
  UCD90549  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer north of Summit hotel. 2164 Comment
  OBI82260  Poa bulbosa George K Helmkampf, Mary Alice Barnes 2013-5-3 20491 Placer Northern Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR250683  Poa bulbosa George K. Helmkamp, Mary Alice Barnes 2013-4-18 20351 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
  UCD22228  Poa fendleriana subsp. longiligula Beth Lowe Corbin 1982-8-18 370 Placer 5/6 mile SW of The Cedars. Common. Full sun. In rocky, sandy, granitic soil of montane chaparral. Perennial forming moderately small bunches. Culms purplish. 1844 Comment
  SACT001848  Poa gracillima Michael Baad 1983-9-3 Placer Collected on trail from Spitz Inn to western slope of Mount Judah near summit. 2286.0 Comment
  CAS-BOT-BC246828  Poa leptocoma John Thomas Howell 1943-7-22 18714 Placer Summit Valley Comment
  SACT001895  Poa palustris D. Meyer 1984-8-26 Placer 1818.0 Comment
  UCR146858  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Sierra Nevada Mountains, 0.75 mile west of Blue Canyon 1433 Comment
  CAS-BOT-BC247370  Poa pratensis W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  SACT001911  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT001912  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot moist streambank and meadow. 1879.0 Comment
  SACT001917  Poa pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center near lake shore. 1891.0 Comment
  SACT001922  Poa pratensis D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT001927  Poa pratensis D. Meyer 1984-7-21 Placer Moist roadside ditch and pine wooded area dense shade. 1927.0 Comment
  SACT001933  Poa pratensis D. Meyer 1984-6-3 Placer Moist shrubby area. 606.0 Comment
  SACT001944  Poa pratensis D. Meyer 1983-7-30 Placer Roadside ditch. 1853.18 Comment
  UC1132714  Poa pratensis subsp. pratensis H. S. Yates 1936-8-9 5984 Placer 2 mi sw Martis Peak; Truckee Quadrangle Comment
  UCD43218  Poa pratensis subsp. pratensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 587 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SACT001971  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, open rocky meadows. Comment
  SACT001972  Poa scabrella Michael Baad 1976-6-10 Placer Along creek near trail to Robinson Flat. 1737.0 Comment
  SACT001977  Poa scabrella Michael Baad 1983-7-23 Placer 4.8 km southwest of Truckee on road west of 89. In bogs. 1828.0 Comment
  POM260031  Poa secunda B. Bolt 1934-7-3 70 Placer Top of Sawtooth Ridge, Colfax. 1220 Comment
  CAS-BOT-BC242949  Poa secunda subsp. secunda M. E. Jones 1882-6-28 11384 Placer Emigrant Gap Comment
  CAS-BOT-BC242957  Poa secunda subsp. secunda Marcus E. Jones 1882-6-28 11384 Placer Emigrant Gap Comment
  UC70956  Poa secunda subsp. secunda J. Burtt Davy Jun 25 1897-Jun 30 1897 8209 Placer rd to Tahoe; Truckee River Basin Comment
  UCD91645  Poa secunda subsp. secunda John Thomas Howell 1943-7-21 18638 Placer Donner Pass to Mt. Lincoln. Comment
  CAS-BOT-BC539302  Poa sierrae G. Ledyard Stebbins 1968-4-7 6671 Placer Mosquito Ridge, E of Forest Hill, along road, 2.7 mi NE of turnoff to PG&E dam and powerhouse 975 Comment
  SACT002013  Poa tenerrima Josephine Van Ess 1980-4-15 Placer Collected on hill south of parking area about 1.25 mile east of highway 49. Moist hillside slope in serpentine. 414.6 Comment
  CDA36886  Pogogyne serpylloides CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CHSC114668  Pogogyne serpylloides CDFA Staff 1999-4-28 Placer Dry Creek. Comment
  CHSC67528  Pogogyne zizyphoroides James D. Jokerst 1986-4-14 2623 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  RSA0022183  Pogogyne zizyphoroides Carl B. Wolf 1937-5-12 8616 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  SEINET13947029 Image available Pogogyne zizyphoroides W. A. Weber, Lewis S. Rose 1953-1 8392 Placer Depressions in rolling hills 5 miles N of Roseville on road to Lincoln, 160 ft alt 49 Comment
  UCD125424  Pogogyne zizyphoroides James D. Jokerst 1986-4-14 2623 Placer Johnson Ranch, north of Douglas Road, and east of Highway 80. Comment
  CHSC74114  Polemonium occidentale Susi Urie 1998-8-13 98 -028 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
  CAS-BOT-BC167538  Polygala cornuta var. cornuta L. S. Smith 1925-8-13 1705 Placer Tahoe National Forest. Gold Dollar Mine Trail to Pine Nut 1828 Comment
  UC868233  Polygala cornuta var. cornuta Marcus E. Jones, A. M. 1882-7-3 3316 Placer Colfax Comment
  JEPS72805  Polygonum aviculare subsp. depressum Gladys L. Smith 1972-8-25 3403 Placer about chairlift above Shirley Lake (tr. to Granite Chief) 2499 Comment
  CAS-BOT-BC414389  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer Near Sheridan 38 Comment
  CAS-BOT-BC414391  Polygonum californicum L. R. Abrams 1917-9-14 6754 Placer Between Roseville and Penryn Comment
  UC849191  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer plains near Sheridan 38 Comment
  UC850394  Polygonum californicum L. R. Abrams 1917-9-14 6754 Placer between Roseville and Penryn Comment
  POM280358  Polygonum douglasii Lyman Benson 1942-7-2 11270 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  RSA122832  Polygonum douglasii B. Bolt 1934-7-19 150 Placer Colfax, Tadpole Springs. 1951 Comment
  CAS-BOT-BC418581  Polygonum minimum John H. Thomas; Hazelle A. Thomas 1956-7-21 6179 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC726477  Polygonum minimum A. A. Heller 1919-7-24 13290 Placer near Cisco Comment
  UCD75819  Polygonum minimum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5173 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail by creek. 2145 Comment
  UC1136139  Polygonum phytolaccifolium B. Bolt 1934-7-17 130 Placer 1/2 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quadrangle Comment
  CAS-BOT-BC420039  Polygonum polygaloides subsp. kelloggii W. R. Dudley 1900-6-28 s.n. Placer Near Tahoe City Comment
  RSA122846  Polygonum sawatchense subsp. oblivium N. H. French 1934-6-22 478 Placer 1/2 mile W of Lake Van Norden. 2134 Comment
  UC570254  Polygonum shastense N. French 1934-6-22 470 Placer 1/2 mi w Lake van Norden; Tahoe National Forest 2286 Comment
  CAS-BOT-BC233246  Polypogon maritimus J. T. Howell; Gordon H. True 1971-5-26 47615 Placer N limits of Lincoln 48 Comment
  SACT002028  Polypogon maritimus D. Meyer 1984-6-23 Placer Intersection of Iowa Hill Road and the American River, rocky riverbank. 978.0 Comment
  SACT002031  Polypogon monspeliensis Michael Baad 1977-6-9 Placer Collected at junction of Middle Fork of American River and Rubicon River 365.76 Comment
  JEPS14358  Polystichum imbricans subsp. imbricans Rimo Bacigalupi, et al. 1952-7-19 3854 Placer below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd.); N Fork American River 381 Comment
  CAS-BOT-BC72496  Polystichum scopulinum G. L. Stebbins 1968-8-15 6856 Placer Devil's Peak, southwest of Soda Springs 2286 Comment
  SEINET5729444 Image available Populus fremontii Lynn Gould 1962-1 36 Placer On P.R.E. road ca. 6 miles west from Roseville.; Roseville Comment
  CAS-BOT-BC102698  Populus tremuloides Mrs. Bliss 1923-4-20 s.n. Placer Tahoe City Comment
  CAS-BOT-BC102700  Populus tremuloides John H. Thomas; Hazelle A. Thomas 1956-7-21 6193 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD43048  Populus tremuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 417 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD110728  Populus trichocarpa G. L. Stebbins Jr. 1942-9-1 3340 Placer Bank of Yuba River, on U.S. Highway 40, 1 1/2 miles west of Cisco. 1706 Comment
  POM296430  Potamogeton gramineus Lyman Benson 1932-7-31 4013 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  SJSU5158  Potamogeton natans R. L. Fisher 1959-8-12 Placer on road to Cascade Lakes, 2 mi W of Lake Van Norden 1981 Comment
  UC1099844  Potamogeton natans Malcolm A. Nobs, S. Galen Smith 1949-8-21 1516 Placer between Sandy Beach and Agate Bay (n end of Lake Tahoe); Lake Tahoe Comment
  UC205446  Potentilla drummondii C. F. Sonne 1885-7-12 Placer Granite Rock above Coldstream (= Cold Creek); Granite Rock above Coldstream 2743 Comment
  CAS-BOT-BC141664  Potentilla flabellifolia Elizabeth Parsons Hawver 1910-7-7 s.n. Placer Meadows of Madden Creek, Lake Tahoe region Comment
  UCR130215  Potentilla glandulosa subsp. ashlandica George K. Helmkamp, E. A. Helmkamp 1999-6-30 5092 Placer Northern Sierra Nevada Mtns., Soda Springs Rd 0.9 mi south of Donner Pass Rd, approaching Ice Lakes 2104 Comment
  UCR207107  Potentilla glandulosa subsp. ashlandica George K. Helmkamp, E. A. Helmkamp 2009-7-16 15237 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCR233381  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp 2011-8-26 18165 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
  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
  RSA463075  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
  POM275172  Potentilla glandulosa var. nevadensis Lyman D. Benson 1933-6-26 4542 Placer 4 miles W of Donner Pass, Sierra Nevada, Bear River watershed 1982 Comment
  CAS-BOT-BC158436  Potentilla glaucophylla var. glaucophylla L. S. Smith 1925-6-27 1659 Placer Tahoe National Forest. Tahoe Camp Ground & Ward Cr. 1905 Comment
  UCD113831  Potentilla gracilis Frederica Bowcutt 1994-7-22 1950 Placer Sierra Nevada Mtns, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 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
  RSA258879  Potentilla gracilis var. fastigiata Thomas W. Nelson, James Nelson 1974-6-17 1375 Placer Dollar point overlooking Lake Tahoe N of Tahoe City. 1585 Comment
  UCD113901  Potentilla gracilis var. fastigiata Beecher Crampton 1972-7-26 8839 Placer Carpenter Flat, east of Emigrant Gap. 1645 Comment
  CAS-BOT-BC540397  Potentilla gracilis var. fastigiata Ira L. Wiggins 1933-8-21 6782 Placer Shores of Lake Tahoe, near Tahoma Comment
  SEINET6637688  Potentilla gracilis var. fastigiata P. Lehenbauer 1932-6-26 s.n. Placer Near Tahoe City Comment
  CAS-BOT-BC64620  Primula suffrutescens Alice Eastwood 1909-1-1 307 Placer Wards Pass, between Ward Peak and Twin Peak; Deer Park, Lake Tahoe Region. Comment
  UC197214  Primula suffrutescens C. F. Sonne 1897-8-14 Placer e slope Mt. Anderson; Sierra Nevada, e slope Mt. Anderson 2438 Comment
  CAS-BOT-BC163057  Prunus emarginata A. A. Heller 1917-8-15 12940 Placer Lincoln highway near Yuba Pass 1828 Comment
  HSC35044  Prunus emarginata Thomas W. Nelson, James Nelson 1974-6-17 1364 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  UCR39504  Prunus emarginata George Oldfield 1985-8-12 5100 Placer Sierra Nevada Mtns., Along I-80 near Blue Canyon, c. 30 to 35 miles NE of Auburn 1555 Comment
  JEPS127550  Prunus virginiana subsp. demissa Steve Matson 1998-6-15 272 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, along east Martis Creek. Comment
  SD247346  Pseudognaphalium beneolens George K. Helmkamp, E. A. Helmkamp 2012-9-25 19906 Placer Northern Sierra Nevada Mountains: Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mi. south of Blue Canyon - Nyack Airport. 1473 Comment
  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
  CAS-BOT-BC357342  Pseudognaphalium microcephalum R. F. Hoover 1967-9-5 10825 Placer Cornelian Bay, Lake Tahoe Comment
  SEINET5334823  Pseudotsuga menziesii var. menziesii W. Priest 1956-4-16 s.n. Placer On U.S. Hwy. 40 about 1 mile west of Baxter. 1067 Comment
  JEPS82164  Psilocarphus brevissimus var. brevissimus Wilma Follette 1978-7-12 Placer Page Meadows 1981 Comment
  CAS-BOT-BC361844  Psilocarphus oregonus John Thomas Howell; Gordon H. True 1971-5-26 47635 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC361895  Psilocarphus tenellus L. R. Abrams 1917-9-16 6769 Placer Emigrant Gap to Cisco Comment
  SEINET7238994  Pterospora andromedea P. Lehenbauer 1929-8-15 2545 Placer [Sierra Nevada] Carnelian Bay Comment
  UCD33391  Puccinellia distans Beecher Crampton 1967-7-26 8155 Placer Near Nevada County line in Kingvale on Interstate 80. 1950 Comment
  CAS-BOT-BC147865  Purshia tridentata var. tridentata John Thomas Howell 1943-7-26 18836 Placer Mt. Lincoln Comment
  UC1128534  Purshia tridentata var. tridentata H. S. Yates 1934-6-29 3897 Placer Carnelian Bay; Tahoe National Forest, Truckee Quad. 1920 Comment
  SBBG10604  Pyrola asarifolia E. R. Blakley 1960-9-4 3824 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  JEPS59378  Pyrola dentata Ezra Brainerd and Viola B. Baird 1915-7-21 126 Placer Bear Rock along trail to Lake Tahoe (Sierra Nevada Mountains) 1889 Comment
  SBBG59894  Pyrola picta M. N. Ackley -Jun-1925 319 Placer Baxter 1127 Comment
  UCD21918  Pyrola picta Beth Lowe Corbin 1982-8-2 154 Placer Onion Creek campground. In deep, partially decomposed duff beneath Calocedrus decurrens, in mixed Conifer forest. Perennial herb with long, slender rootstock. Leaves firm, somewhat fleshy. Flowers unopened, greenish white. Leaves with white markings along veins. Full shade. South facing slope. Uncommon. 1841 Comment
  CAS-BOT-BC466092  Pyrola picta J. C. Hawver 1912-9-7 s.n. Placer Cisco Comment
  RSA0083319  Pyrola picta J. B. Feudge 1927-7-18 1726 Placer West of Emigrant Gap. 1524 Comment
  SEINET7257306  Pyrola picta P. Lehenbauer 1929-8-15 2543 Placer [Sierra Nevada] Carnelian Bay Comment
  CAS-BOT-BC104262  Quercus X morehus R. R. Miller 1959-5-1 s.n. Placer N side of highway, just off shoulder, ca. 1/4 mile E of the Monte Vista cutoff on US Highway 40, ca. 6 miles E of Auburn Comment
  UC119169  Quercus X morehus A. Eastwood 1894-9-9 Placer Newcastle Comment
  SACT002623  Quercus chrysolepis J. Severaid 1959-8-14 Placer Old Foresthill Road Comment
  SACT002613  Quercus chrysolepis var. nana Josephine Van Ess 1977-11-4 Placer Collected up first ravine to south below Highway 49. Dry west-facing slope. 365.8 Comment
  CAS-BOT-BC86612  Quercus douglasii Alice Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  SACT002127  Quercus douglasii Josephine Van Ess 1976-9-8 Placer Near Juergenson Ranch 335.4 Comment
  CDA12007  Quercus durata G. F. Hrusa 1995-5-2 12188 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  CDA16971  Quercus durata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16024 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC1135560  Quercus durata N. French 1933-10-17 105 Placer Todd Valley Placerville National Forest, Placerville Quad. 762 Comment
  UCD124135  Quercus durata Ellen Dean; Marcel Rejmanek 2012-10-9 7509 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  UCD15651  Quercus durata Rachelle Raymond 1989-5-20 801 Placer Forest Hill Road. 701 Comment
  UCD45926  Quercus durata var. durata G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, 1952-7-20 5130 Placer 9 miles northeast of Forest Hill on road to Iowa Hill. 1127 Comment
  CAS-BOT-BC105306  Quercus kelloggii Frances Price 1919-1 s.n. Placer Placerville - L. Tahoe Road Comment
  SACT002138  Quercus kelloggii Michael Baad 1977-6-2 Placer Descending to North Fork American River from south, 2 km Northeast of Westville and 2 km North of Forest Hill Divide Road 853.0 Comment
  SACT002144  Quercus kelloggii 1980-3-12 Placer collected about 1/3 way down to the river, wooded slope 335.4 Comment
  UCSC010009  Quercus kelloggii Al Keuter 2014-6-15 00 101 A Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  UCSC010012  Quercus kelloggii Al Keuter 2014-6-15 00 101 D Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  SEINET10431645  Quercus kelloggii H. Mozingo 1977-3-19 77 -3 Placer Sierra Nevada, 2 miles S of Auburn, near junction of North and Middle Forks of American River; along trail on North Fork, W side of river above bridge. 274 Comment
  CAS-BOT-BC62886  Quercus lobata A. Eastwood 1894-9-9 s.n. Placer Newcastle Comment
  CAS-BOT-BC104586  Quercus vacciniifolia J. F. Emmel 1970-6-21 317 Placer Slope, 0.6 air mile S of South end of Lake Mary, S. of Donner Pass 2286 Comment
  SACT002706  Quercus vacciniifolia Michael Baad 1976-7-17 Placer Trail to five lakes, 1 mile west of Alpine Meadows Ski Area. Open brushy slopes of granite. 2072.0 Comment
  CAS-BOT-BC104989  Quercus wislizeni Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  CAS-BOT-BC104991  Quercus wislizeni Miss. A. Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  CHSC114159  Quercus wislizeni G. K. Helmkamp; E. A. Helmkamp 2010-4-17 15883 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA 49 near Pilot Hill. 314 Comment
  HSC27258  Quercus wislizeni J. P. Smith 1972-3-22 5090 Placer Bridge over N Fork of American River. Comment
  SACT002728  Quercus wislizeni Michael Baad 1983-4-9 Placer 1.5 - 3.5 ,miles south of junction with Auburn-Forest Hill Road. 1000' above Middle Fork of the American River 304.8 Comment
  UCR280609  Quercus wislizeni Tom Scott, Gary Nakamura 2009-1 2009- 017 Placer Sierra Nevada Mtns. Foothills, Auburn, Hwy 49 at Auburn Bridge on American River, slopes on north side of canyon above highway 198 Comment
  SACT002732  Quercus wislizeni J. Clark 1937-4-18 Placer Comment
  SEINET10437815  Quercus wislizeni W. D. Billings 1939-3-19 1192 Placer 2 miles N of Auburn. Comment
  SEINET5338933  Ranunculus 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 Rd. to French Meadows 518 Comment
  CAS-BOT-BC379377  Ranunculus alismifolius var. hartwegii Jean L. Thomson 1944-5-14 s.n. Placer Trout Creek near Truckee Comment
  CAS-BOT-BC379388  Ranunculus alismifolius var. hartwegii A. A. Heller 1915-7-7 12057 Placer near the summit of soapstone ridge in the Sierra Nevada, 12 mi west of Bucks 1676 Comment
  CAS-BOT-BC379390  Ranunculus alismifolius var. hartwegii A. A. Heller; P. B. Kennedy 1907-7-9 8792 Placer Prattville Comment
  CAS-BOT-BC379397  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 464 Placer Lake Tahoe Region, Tahoe City Comment
  CAS-BOT-BC379432  Ranunculus alismifolius var. hartwegii Gordon H. True 1972-4-27 7103 Placer Boca-Stampede Dam Road, 5.2 mi north of Boca 1768 Comment
  UC827616  Ranunculus aquatilis var. capillaceus Alice Eastwood Jun 15 1912-Jun 19 1912 454 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC378967  Ranunculus bonariensis Gordon H. True 1966-4-9 2706 Placer Near Rocklin, just east of Hiway 80 122 Comment
  UCD44426  Ranunculus californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1792 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET5338466  Ranunculus canus A. Urrutia 1960-3-19 s.n. Placer North Fork American River, 3-mi. South of Auburn, Highway 49 457 Comment
  POM312418  Ranunculus flammula var. ovalis Malcolm A. Nobs, S. Galen Smith 1949-8-21 1511 Placer Marsh between sandy beach and Agate Bay, north end of Lake Tahoe. Comment
  UC9442  Ranunculus hebecarpus H. N. Bolander 1865-4-16 4575 Placer Forest Hill Comment
  JEPS60691  Ranunculus muricatus R. E. Arp 1932-4-18 11 Placer Roseville; along streams Comment
  SD239889  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18934 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  UC732548  Ranunculus occidentalis Lyman Benson 1933-6-26 4552 Placer Donner Lake Sierra Nevada (lower end) 1889 Comment
  UCD15161  Ranunculus occidentalis Phyllis Adams 1982-4-20 4 Placer Placer Co.; near the town of Auburn, in the American River Canyon; 457 Comment
  UCD164622  Ranunculus occidentalis Brandi Sorensen 1995-6-1 3 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCR235423  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18956 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  UCR250143  Ranunculus occidentalis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20814 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  RSA100538  Ranunculus occidentalis var. eisenii Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. 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
  JEPS127531  Ranunculus occidentalis var. ultramontanus Steve Matson 1998-6-14 237 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave., under power lines. Comment
  POM276387  Ranunculus orthorhynchus Lyman Benson 1948-7-17 12924 Placer Placer: isco Grove, S Fork Yuba River, Sierra Nevada. Sacramento Valley, Sierran Montane Forest 1799 Comment
  UC827932  Ranunculus orthorhynchus var. orthorhynchus A. A. Heller 1917-6-19 12739 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC59528  Rhamnus alnifolia Carl B. Wolf 1937-9-4 9287 Placer Sierra Nevada, NW. of Lake Tahoe, 1 mi. below (E. of) Deer Park 1981 Comment
  CAS-BOT-BC59531  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles northwest of Tahoe City 1889 Comment
  UC18537  Rhamnus ilicifolia Bolander 1865-4-13 4565 -1 Placer Newcastle Comment
  RSA78926  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-8 18120 Placer 1 mile S of Deer Park, Hwy 89, along Truckee River. 1982 Comment
  UC22141  Rhododendron occidentale Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UC178746  Ribes Katharine Brandegee 1914-1 Placer Ellis Meadows North Sierra National Forest Comment
Read comments
Dec 11 2014
  CAS-BOT-BC108699  Ribes cereum Alice Eastwood 1912-6-15 370 Placer Lake Tahoe Region. Deer Park. Comment
  CAS-BOT-BC108701  Ribes cereum C. F. Sonne 1884-6-7 107 Placer Sierra Nevada Mountains. Truckee. Comment
  CAS-BOT-BC108705  Ribes cereum Geo. B. Grant 1906-7-15 6978 Placer Tahoe Tavern Lake Tahoe. 1889 Comment
  UC480721  Ribes cereum W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  UCD44644  Ribes divaricatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2010 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC219208  Ribes nevadense Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe 2438 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
  RSA0018265  Ribes roezlii L. S. Rose 1940-6-1 40449 Placer Truckee River, 3 miles NW of Tahoe City. 1890 Comment
  CAS-BOT-BC186196  Ribes roezlii var. roezlii L. R. Abrams 1917-9-19 6779 Placer Lily Lake, Lake Tahoe Region Comment
  UCR200876  Ribes roezlii var. roezlii George K. Helmkamp, E. A. Helmkamp 2008-9-15 14109 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  CAS-BOT-BC340997  Robinia pseudoacacia Saichi Kawahara 1969-5-24 840 Placer North side of bend on Colfax-Iowa Hill Road; 1 mile west of Iowa Hill 865 Comment
  OBI82257  Robinia pseudoacacia George K. Helmkamp, Mary Alice Barnes 2013-5-3 20490 Placer Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UC147568  Rorippa curvisiliqua Harriet A. Walker 1908-6-23 1208 Placer Blue Canyon 1432 Comment
  RSA0009355  Rorippa curvisiliqua Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  UCD15151  Rorippa microphylla Phyllis Adams 1982-5-15 52 Placer California Placer Co.; in the American River Canyon; 167 Comment
  JEPS59382  Rorippa subumbellata Ezra Brainerd and Viola B. Baird 1915-7-23 130 Placer Sierra Nevada, Lake Tahoe, Greene's Point 1901 Comment
  UCD114020  Rubus armeniacus G. L. Stebbins Jr. 1952-6-22 5095 Placer Along southeast bank of American River, 1/4 mile north of bridge of road to Iowa Hill, 2 miles southeast of Colfax. 350 Comment
  UCD17679  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 88 Placer California. Placer County: on Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  RSA0009766  Rubus glaucifolius Marcus E. Jones 1882-6-28 3309 Placer Emigrant Gap. Comment
  OBI20137  Rubus parviflorus David J. Keil 1978-7-23 12938 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  RSA463212  Rubus parviflorus J. H. Nishida 1985-7-10 788 Placer Homewood. 1829 Comment
  UC112834  Rubus parviflorus Katharine Brandegee 1908-6 Placer near Gold Run; near Gold Run Comment
  UC481486  Rubus parviflorus G. W. Fetters 1929-7-10 Placer near Pomin's; Lake Tahoe, near Pomin's Comment
  CAS-BOT-BC363205  Rudbeckia occidentalis Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UC89647  Rudbeckia occidentalis T. S. Brandegee 1888-9-1 Placer Blue Canyon Comment
  CAS-BOT-BC110490  Rumex Saichi Kawahara 1969-5-24 849 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek. 585 Comment
  CDA36876  Rumex acetosella CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  JEPS73003  Rumex acetosella Gladys L. Smith 1972-7-18 3133 Placer Alpine Meadows 2072 Comment
  UC1136221  Rumex acetosella H. S. Yates 1934-6-29 3879 Placer ner Brockway; Tahoe National Forest, Truckee Quad. 1920 Comment
  CDA37171  Rumex acetosella CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  RSA0115331  Rumex crispus George K. Helmkamp, Amy Barnes 2014-3-21 22639 Placer Sacramento Valley: Sheridan, Riosa Road at the west side of its junction with old CA-65. 33 Comment
  CHSC74116  Rumex salicifolius var. triangulivalvis Susi Urie 1998-8-19 98 -080 Placer Lake Tahoe Basin Management Unit - National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC267072  Sagittaria L. R. Abrams 1917-9-15 6761 Placer 3-5 miles above Auburn Comment
  CAS-BOT-BC132704  Salix Saichi Kawahara 1969-7-6 1000 Placer Henderson Ranch, east bank of Indian Creek 987 Comment
  SCFS11529143  Salix E. Krimmel, F. Felix 2012-9-13 Placer Intersection of Serena Creek and NFAm River. Comment
  CAS-BOT-BC103601  Salix eastwoodiae Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe region Comment
  CAS-BOT-BC103605  Salix eastwoodiae W. R. Dudley 1900-6-14 5056 Placer Road from Donner Lake to Summit Comment
  CAS-BOT-BC103613  Salix eastwoodiae W. R. Dudley 1900-6-14 5114 Placer In valley north west of Lake Mary Comment
  CAS-BOT-BC103614  Salix eastwoodiae W. R. Dudley 1900-6-1 5353 Placer west end of Independence Lake at foot of Mt. Lola Comment
  RSA122642  Salix eastwoodiae B. Bolt 1934-8-22 187 Placer Head of Picayune Creek. 2287 Comment
  UC1134858  Salix eastwoodiae N. French 1934-6-19 416 Placer Lock Leven Lakes; Tahoe Nat'l Forest, Colfax Quadrangle Comment
  UCD22313  Salix eastwoodiae Rex Palmer 1979-7-11 N 552 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22318  Salix eastwoodiae Rex Palmer 1979-7-11 N 590 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD44443  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1809 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44537  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1903 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC107851  Salix gooddingii Gordon H. True 1968-7-30 4455 Placer Just east of Rocklin, on Rocklin Road 76 Comment
  CAS-BOT-BC106952  Salix laevigata Gordon H. True 1971-5-26 6537 Placer northern limits of Lincoln 48 Comment
  UCD43159  Salix lasiandra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 527 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC125299  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-24 5536 Placer Rubic on road crossing McKinney Creek, Placer - El Dorado Co. line Comment
  POM107147  Salix lasiolepis Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC128468  Salix lasiolepis var. lasiolepis Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City - Sierra Nevada Comment
  CHSC9642  Salix lasiolepis var. lasiolepis E. L. Smith 1971-7-27 1013 Placer W end of Putt Reservoir just e of Blue Canyon Road ca. 2 mi w of Emigrant Gap. 1706 Comment
  CAS-BOT-BC124749  Salix lemmonii A. A. Heller 1917-6-19 12733 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC124750  Salix lemmonii W. R. Dudley 1900-6-14 5078 Placer Grade between Donner Lake and Summit Comment
  CAS-BOT-BC124757  Salix lemmonii W. R. Dudley 1900-6-14 5096 Placer East of hotel at Summit Comment
  CAS-BOT-BC124783  Salix lemmonii W. R. Dudley 1900-6-14 5070 a Placer Between Donner Lake and Summit Comment
  CHSC74265  Salix lemmonii Susi Urie; Eric Schroder 1998-9-11 98 -332 Placer Lake Tahoe Basin--National Forest. Along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  SDSU9454  Salix lemmonii D. F. Howe 1948-5-22 1826 Placer 1707 Comment
  UCD22315  Salix lemmonii Rex Palmer 1979-6-21 N 416 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC125098  Salix ligulifolia Alice Eastwood 1912-6-15 386 Placer Deer Park, Lake Tahoe region Comment
  UC449849  Salix ligulifolia L. S. Smith 1931-1 3 Placer French Meadows Tahoe Nat'l Forest, American River, French Meadows 1828 Comment
  CDA25006  Salix lucida subsp. lasiandra J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC129089  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer Along the Yuba river below Cisco 1676 Comment
  CHSC13663  Salix scouleriana E. L. Smith 1971-4-29 954 A Placer At Whitmore Maintenance Station ca. 3 mi ne of Baxter. 1371 Comment
  UCD40937  Salvia sonomensis Sook Hong 1989-5-20 12 Placer Bush area in the pine forest at the base of the waterfalls. 731 Comment
  CAS-BOT-BC235065  Sambucus racemosa var. melanocarpa W. R. Dudley 1900-6-14 s.n. Placer Shores of Donner Lake Comment
  UC889730  Sambucus racemosa var. microbotrys A. A. Heller 1916-8-13 12903 Placer Summit Hotel 2133 Comment
  CAS-BOT-BC157201  Sanguisorba officinalis G. K. Helmkamp; Amy Barnes 2009-7-12 15174 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  CDA19549  Sanicula bipinnatifida M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 239 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UCD127934  Sanicula bipinnatifida Lynn Gould 1962-3-31 19 Placer Central Avenue, 2 miles west of Roseville. 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
  SEINET11155802  Sanicula bipinnatifida C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer 0.5 mile E of junction of old and new Auburn Roads with Forest Hills Road. 792 Comment
  SEINET11155811  Sanicula bipinnatifida D. E. Brix 1962-3-17 s.n. Placer North Fork American River, 3.5 miles NE of Auburn. 518 Comment
  UC1714588  Sanicula crassicaulis C. Ritchie Bell 1952-4-19 3 X417-1 Placer 1.6 mi n of the Placer-El Dorado County Line (above California Hwy 49) Comment
  UC875487  Sanicula graveolens Lewis S. Rose 1940-6-2 40459 Placer 10 mi n of Tahoe City (Truckee River); Truckee River 1828 Comment
  SD243063  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2010-7-28 16669 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  SD247300  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
  UCD80016  Sanicula tuberosa CNPS SN Foothill Team 2005-4-26 SNFN 0183 b 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
  SEINET11160323  Sanicula tuberosa M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks American River, 4 miles from Auburn. 274 Comment
  CHSC9511  Sarcodes sanguinea J. F. Goodwin 1971-7-10 153 Placer 1 mi W of Lake Tahoe at end of Old County Road, 2.3 mi SW of Cornelian Bay. 1981 Comment
  CAS-BOT-BC466211  Sarcodes sanguinea Elizabeth Parsons Hawver 1911-6-1 s.n. Placer Lake Tahoe Region: Aspen Grove Comment
  CAS-BOT-BC436848  Saxifraga Saichi Kawaha 1969-7-6 1459 Placer Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  RSA121491  Saxifraga bryophora N. H. French 1934-6-22 464 Placer Serena Lake. 2104 Comment
  JEPS82984  Saxifraga californica Patrick Elvander 1984-4-2 1023 Placer 5.3 mi on Yankee Jim Road from junction with Canyon Way (between Colfax and Foresthill off I-80); North Fork American River 1219 Comment
  JEPS82986  Saxifraga californica G. L. Stebbins 1970-4-4 6989 Placer 1/2 mi e of crossing of North Fork (American River, Shirttail Canyon, on road from Colfax to Forest Hill); American River, Shirttail Canyon 457 Comment
  JEPS59418  Saxifraga oregana Ezra Brainerd and Viola B. Baird 1915-7-4 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1889 Comment
  UCD128066  Scandix pecten-veneris Lynn Gould 1962-4-14 39 Placer 0.5 mile northwest of Rocklin. Comment
  SFV8582  Scandix pecten-veneris K. Zancai 1972-5-13 46 Placer Crother Road, 4 miles north of U. S. Interstate Highway 80. Along roadside in moist, shaded area near spring. Comment
  SJSU8159  Sceptridium multifidum R. L. Fisher 1959-8-12 Placer near pond, 2 mi W of Lake Van Norden 1981 Comment
  UCD32812  Schedonorus pratensis Beecher Crampton 1964-7-21 7122 Placer Placer County, Cisco Grove, US Hwy. 40. 1722 Comment
  CHSC74898  Scirpus microcarpus Susi Urie; Eric Schroder 1998-9-12 98 -356 Placer Lake Tahoe Basin Management Unit -- National Forest. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CAS-BOT-BC243507  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 miles north of Lincoln Comment
  JEPS11416  Scrophularia californica subsp. floribunda R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln Comment
  RSA88136  Scrophularia californica var. desertorum J. T. Howell 1951-6-28 27679 Placer Jamison Creek. 1585 Comment
  POM70094  Scutellaria californica Marcus E. Jones 1882-6-30 2594 Placer Emigrant Gap. 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
  UC1748299  Scutellaria californica James D. Jokerst 1988-6-6 3008 Placer Long Creek Hydro Project, ca 1 mi W of Ramsey Crossing, N of Long Canyon Creek Comment
  UC191156  Sedum lanceolatum C. F. Sonne 1885-7-12 Placer Tinker's Knob Tinker's Knob (ne Placer County) 2590 Comment
  UCD69348  Sedum obtusatum S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. Perennial plant communities growing in massive ultramafic outcrops close to Jeffrey pine open forets (Querco vaccinifoliae-Pinetum jeffreyi Rivas-Martinez and Sanchez-Mata 1997). 1850 Comment
  UCD41271  Sedum spathulifolium Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1709 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 2.5 road miles northeast of intersection with Main St. 1066 Comment
  UCR235594  Sedum spathulifolium George K. Helmkamp, E. A. Helmkamp 2012-5-5 18923 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  UC905264 Image available Selaginella hansenii H. Bolander 1865-10-4 4511 Placer Auburn Comment
  UCD135983  Selaginella hansenii A. S. Crafts 1940-12-10 s.n. Placer Near Auburn. Comment
  CAS-BOT-BC69717  Selaginella wallacei G. L. Stebbins 1969-11-20 6981 Placer Shirttail Canyon, road from Colfax to Forest Hill, mile east of bridge across North Fork, American River. 365 Comment
  CAS-BOT-BC69719  Selaginella wallacei G. L. Stebbins 1970-7-12 7052 Placer Bear River canyon, 2 mi. n. of Alta. 1097 Comment
  UCR235382  Senecio aronicoides George K. Helmkamp, E. A. Helmkamp 2012-5-11 18944 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  RSA0013335  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer 1 mile west of Baxter Comment
  JEPS126356  Senecio hydrophilus Steve Matson 2000-7-6 464 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 yards north of Highway 267. Comment
  CAS-BOT-BC364389  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  RSA473091  Senecio triangularis Wm. Martin 1971-9-10 20266 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UC71916  Senecio triangularis C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UCD43325  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 693 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44414  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1780 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC364391  Senecio triangularis F. A. Mac Fadden 1934-8-3 12792 Placer Canyon Creek Comment
  RSA569048  Senecio triangularis B. C. Templeton 1931-7-5 s.n. Placer near Meek's Bay. 2280 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
  NY429844  Sericotheca obovata C. F. Sonne 1886-7-17 s.n. Placer Truckee River Comment
  CDA2405  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Sacramento Valley; Southeast corner of Newcastle Road and Brenner [Brennans] Road, Newcastle Comment
  CDA2406  Setaria faberi K. Stark 1974-11-6 Placer Taylor Road, Loomis. 0 Comment
  RSA252693  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Southeast corner Newcastle Road and Brenner Road, Newcastle. Comment
  CAS-BOT-BC243630  Setaria pumila Peter H. Raven 1954-8-27 7954 Placer Roseville Comment
  CAS-BOT-BC213132  Sidalcea Emily K. Mcpherson 1976-9-19 76283 Placer One mile east of Talbot Campground, open area near Middle Fork American River, Sierra Nevada 1767 Comment
  CDA25000  Sidalcea asprella J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC149004  Sidalcea glaucescens H. M. Hall 1910-7-1 8732 Placer Cisco Sierra Nevada Mountains, Cisco 1828 Comment
  UCD21588  Sidalcea glaucescens E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1251 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
  UC718219  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer 1 mi n Lincoln; Sacramento Valley, n of Lincoln 45 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
  UCD22087  Sidalcea oregana Rex Palmer 1979-6-21 N 393 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA13690  Sidalcea oregana subsp. oregana G. F. Hrusa, J. Glazner 1997-8-3 14050 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC73959  Sidalcea oregana subsp. spicata Susi Urie 1998-9-1 98 -176 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 3 mi north of Lake Tahoe. 1908 Comment
  CHSC74099  Sidalcea oregana subsp. spicata Susi Urie 1998-8-17 98 -046 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74233  Sidalcea oregana subsp. spicata Susi Urie 1998-9-4 98 -266 Placer Meadow complex on norht side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC178688  Silene John H. Thomas; Hazelle A. Thomas 1956-7-21 6115 Placer Vicintiy of Donner Pass, about 80 miles northeast of Sacramento - Sierra Nevada 2377 Comment
  UCR250344  Silene californica George K. Helmkamp, Mary Alice Barnes 2013-4-18 20365 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  UC8424  Silene californica Mrs. M. M. Hardy 1893-1 Placer Comment
  POM150840  Silene douglasii Katherine Brandegee s.n. Placer Donner Summit. Comment
  CAS-BOT-BC136287  Silene douglasii Kellogg; Brannan 1880-6-30 s.n. Placer Cisco Comment
  JEPS59423  Silene douglasii Ezra Brainerd and Viola B. Baird 1915-7-25 143 Placer along trail to the Garden of the Gods Deer Park; Sierra Nevada Mts., Deer Park 2011 Comment
  UC196525  Silene douglasii C. F. Sonne 1891-8-9 Placer on road to Tahoe canyon above Squaw Valley; Canyon above Squaw Valley on road to Tahoe Comment
  POM151490  Silene douglasii var. douglasii Katherine Brandegee s.n. Placer Donner Summit. Comment
  POM89175  Silene douglasii var. douglasii Katherine Brandegee 1917-08 s.n. Placer Cisco 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
  SEINET3155749  Silene douglasii var. monantha H. M. Hall 1910-7-4 8742 Placer Near Cisco, upper transition zone, 1890 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
  CDA11926  Silene lemmonii G. F. Hrusa, J. Dinsdale 1989-5-2 7065 Placer Sierra Nevada; Mosquito Ridge Rd, about 15 miles below Placer Redwood Grove. Comment
  CAS-BOT-BC389497  Silene menziesii Alice Eastwood 1909-1-1 106 Placer Lake Tahoe Region. Ward Creek Comment
  JEPS127489  Silene menziesii Steve Matson 2000-6-27 462 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; NNW of west end of golf course. Comment
  UC334581  Silene occidentalis subsp. occidentalis A. Kellogg Jun 1870 289 Placer Cisco Sierra Nevada, Cisco Comment
  UCR47349  Silene occidentalis subsp. occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco. 1800 Comment
  UCD138875  Sisyrinchium bellum Lynn Gould 1962-4-14 38 Placer on old Highway 40 (Taylor Road), Rocklin. Comment
  SACT002225  Sitanion hystrix D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT002251  Sitanion jubatum D. Meyer 1980-5-24 Placer 1212.0 Comment
  SACT002252  Sitanion jubatum D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Road. 978.0 Comment
  SACT002257  Sitanion jubatum Michael Baad 1976-6-3 Placer Descending towards Middle Fork on road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. 701.0 Comment
  CDA16049  Smilacina racemosa G. F. Hrusa, J. Glazner 2000-9-3 15663 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  UC1134666  Smilacina racemosa N. French 1934-5-31 387 Placer 1/2 mi e Texas Hill; Tahoe National Forest, Colfax Quadrangle 1584 Comment
  CDA5941  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer 221 Elm Street, Roseville. 0 Comment
  SEINET6186039  Solanum umbelliferum D. Erskine 1941-4-13 30 Placer American River Canyon, between Auburn and Folsom 183 Comment
  RSA122319  Solidago canadensis subsp. elongata B. Bolt 1934-8-22 186 Placer Grayhorse Flat, west of Lake Tahoe. 1982 Comment
  UC1035661  Solidago velutina subsp. californica Mildred M. Enzler 1939-9-17 Placer near Applegate (Highway 40) 609 Comment
  JEPS113108  Soliva sessilis Lowell Ahart, Brian Williams 2007-4-13 13634 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SACT002283  Sorghum halepense Josephine Van Ess 1976-6-11 Placer Collected 1.3 miles west of Watt Ave. Bank of rice field. 21.3 Comment
  UCR253816  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20099 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  CDA3450  Spergula arvensis W. Wilson 1959-3-12 1954 Placer Gunther s property near Lincoln. 0 Comment
  HSC82626  Spergularia rubra Thomas W. Nelson, Jane P. Nelson 1979-4-11 4610 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  JEPS102552  Spergularia rubra Lowell Ahart 2001-10-10 9363 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
  UCSC000265  Spergularia rubra Harriet A. Walker 2008-7-25 1402 Placer in sand near Yuba river - Cisco Comment
  SCFS1104  Spiraea splendens E. Krimmel 2013-6-2 Placer Foresthill Road, Am. River Gorge overlook Comment
  CHSC74328  Spiranthes porrifolia Susi Urie 1998-8-27 98 -126 Placer Middle of Page Meadows; about 2 miles west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD44734  Stachys ajugoides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2100 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  RSA175346  Stachys albens Marcus E. Jones 1903-6-28 s.n. Placer Emigrant Gap Comment
  SEINET7978202  Stachys rigida var. rigida K. Thorne, J. Chandler 1987-6-26 5435 Placer Truckee River Comment
  UCR171735  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-9 10059 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  UCR208281  Stellaria media George K. Helmkamp, E. A. Helmkamp 2009-5-7 14635 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CAS-BOT-BC375010  Stenotus acaulis C. F. Sonne 1885-7-12 138 Placer Sierra Nevada Mts. Tinker's Knob 2895 Comment
  POM33071  Stephanomeria lactucina Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC485636  Stephanomeria lactucina H. M. Hall 1910-7-10 8751 Placer near Cisco station; Sierra Nevada Mountains 1828 Comment
  JEPS36882  Stephanomeria lactucina L. S. Smith 1925-8-13 1701 Placer road below Millers Defeat; Tahoe Forest 1859 Comment
  SACT002315  Stipa californica Michael Baad 1983-7-23 Placer 1/8 miles west of HIghway. 1828.0 Comment
  SACT002325  Stipa californica D. Meyer 1984-9-23 Placer Dry rocky summit of north-facing slope. 2109.0 Comment
  SACT002330  Stipa californica D. Meyer 1984-7-8 Placer Roadside 1758.0 Comment
  SEINET10603802  Stipa californica A. Arthur Heller 1917-8-14 Heller 12925 Placer Mt. Lincoln south of Summit valley, on steep gravelly slope, with a few scattered trees of Hesperopeuce. Mertensiana near the crest. 2499 Comment
  SEINET3815515 Image available Stipa lettermanii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18959 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 4.0 miles N of Forest Hill Road 1140 Comment
  SACT002388  Stipa occidentalis Michael Baad 1976-7-17 Placer 1 mile west of Alpine Meadows Ski Area on trail to Five Lakes open brush slopes. 2072.0 Comment
  CAS-BOT-BC87416  Streptanthus polygaloides Rimo Bacigalupi 1952-7-20 3875 Placer Tahoe National Forest. Just south of Shirttail Creek. 6 miles east of Iowa Hill. 1112 Comment
  CAS-BOT-BC87771  Streptanthus tortuosus Hy Edwards; J. P. Moore 479 Placer Summit. Comment
  CAS-BOT-BC87774  Streptanthus tortuosus John Thomas Howell 1943-7-21 18659 Placer Donner Pass to Mount Lincoln. Comment
  OBI70540  Streptanthus tortuosus G. F. Hrusa 1995-5-20 12168 Placer Approx 4 km beyond Mosquito Ridge Rd crossing of North Fork of middle Fork of the American river 650 Comment
  SCFS1190  Streptanthus tortuosus E. Krimmel 2014-4-21 Placer NFAm. Farthest rocky outcrop on Point Mariah Comment
  UCD22383  Streptanthus tortuosus Rex Palmer 1979-6-19 N 249 Placer Headwaters basin area of the North Fork of the American River Comment
  UC1126980  Streptanthus tortuosus var. orbiculatus N. French 1934-6-22 467 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle Comment
  UCD119093  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  UCD119121  Styrax redivivus G. H. Vansell 1930-5-7 2213 Placer Auburn. Comment
  UCD14627  Styrax redivivus Deanna Lynn Pfleger 1989-5-20 24 Placer California, Placer Co.; 30 miles from Auburn along Mosquito Ridge Road; 707 Comment
  UCD119115  Styrax redivivus A. M. Shapiro 1993-5-8 s.n. Placer Iowa Hill Road, above North Fork of American River. Comment
  CAS-BOT-BC215295  Symphoricarpos mollis F. Almeda 1993-7-25 7302 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  UCD74066  Symphoricarpos mollis Jennifer W. Burt 2005-7-17 75 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. 2020 Comment
  CAS-BOT-BC245737  Symphoricarpos rotundifolius Elizabeth Parsons Hawver 1911-7-20 s.n. Placer Ward Creek, Lake Tahoe Region Comment
  UC1120009  Symphoricarpos rotundifolius var. rotundifolius N. French 1934-6-22 475 Placer 0.5 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. 2133 Comment
  CHSC74063  Symphyotrichum bracteolatum Susi Urie 1998-8-11 98 -009 Placer Lake Tahoe Basin Management Unit - National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC98485  Symphyotrichum spathulatum John Thomas Howell 1943-7-22 18702 Placer Summit Valley Comment
  UC201327  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit valley 2118 Comment
  UCD43307  Symphyotrichum spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 675 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS40836  Symphyotrichum spathulatum Rowena Beans 1914-9-7 Placer 2 mi w Tahoe Tavern Tahoe Tavern Comment
  CAS-BOT-BC98877  Symphyotrichum spathulatum var. intermedium Fay A. Mac Fadden 1934-7-26 12868 Placer Red Mt. 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
  SEINET10319545 Image available Taraxacum officinale G. K. Helmkamp, Helmkamp, E. A. 2009-5-11 14657 Placer Sierra Nevada Mountains Foothills; junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill (Michigan Bluff 7.5' Q. [Quadrangle]) 1338 Comment
  UC858892  Tellima grandiflora Marcus E. Jones, A. M. 1882-7-1 2710 Placer Emigrant Gap Comment
  UC477528  Thalictrum fendleri L. S. Smith 1931-6-3 2552 Placer ravine below Duncan Fk.; Tahoe Nat. Forest 1981 Comment
  UC477531  Thalictrum fendleri L. S. Smith 1931-6-3 2555 Placer Robertson Flat Tahoe Nat. Forest 2133 Comment
  SEINET5338963  Thalictrum fendleri P. B. Kennedy, Samuel Bradford Doten 1901-8-9 422 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  UC495495  Thalictrum fendleri Merle Randall 1930-6-17 Placer above Cisco (w of Donner Lake); Big Bend Ranger Sta. 1767 Comment
  CDA13673  Thalictrum fendleri var. fendleri G. F. Hrusa, J. Glazner 1997-8-3 14033 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD44458  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1824 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET3161796  Thalictrum fendleri var. platycarpum W. A. Setchell, C. C. Dobie 1901-7-6 sn Placer Glen Alpine 2743 Comment
  JEPS127523  Thalictrum sparsiflorum Steve Matson 2003-6-28 815 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork of Snow Creek, west edge of main boggy site. 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
  JEPS126413  Thlaspi arvense Steve Matson 2002-6-29 538 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on east side of pond near Highway 28. Comment
  UCD22385  Thysanocarpus curvipes Rex Palmer 1979-6-19 N 375 Placer Headwaters basin area of the North Fork of the American River 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
  SEINET7062978  Thysanocarpus radians A. G. Vestal 1955-4-4 s.n. Placer Serpentine 4 miles north of Auburn on Route 49 at Elders Corner. UTM Zone 10, 664474mE, 4313929mN. (WGS84/NAD83). 405 Comment
  JEPS54221  Thysanocarpus radians Alice King Jun 1920 Placer Del Paso Park Roseville Comment
  RSA0049959  Thysanocarpus radians Carl B. Wolf 1937-3-30 8354 Placer Sacramento Valley, 2 mi. No. of Lincoln. 53 Comment
  SCFS11529141  Toxicodendron diversilobum E. Krimmel, F. Felix 2012-9-13 Placer NFAm 3 mi downstream from Cedars. Comment
  CDA35360  Toxicodendron diversilobum T. C. Fuller 1965-8-18 14005 Placer Sierra Nevada; 4 miles southeast of Loomis, Auburn-Folsom Rd. Comment
  CDA19569  Tragopogon dubius M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 242 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
  UCD148669  Tragopogon dubius G. Ledyard Stebbins 1986-6-11 C 601 Placer Truckee. (Exact location unknown; coordinates estimated by label maker.) Comment
  CAS-BOT-BC377061  Tragopogon dubius John Thomas Howell; Gordon H. True 1972-5-12 48723 Placer Baxter 1219 Comment
  UCD138326  Triantha occidentalis F. H. Bolster 1912-8-31 46 Placer Long Lake Valley. 1981 Comment
  CDA15935  Trichostema oblongum G. F. Hrusa, J. Glazner 1999-7-17 15158 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  POM70270  Trichostema oblongum Marcus E. Jones 1982-6-30 s.n. Placer Emigrant Gap. Comment
  UCD151067  Trichostema oblongum James A. Neilson Jr. 1972-9-7 3627 Placer Placer County. Tahoe. Dollar Water Tower. (Elevation estimated in Google Earth by label maker.) (Latitude/Longitude data are for Dollar Point in Placer County. No Dollar Water Tower could be found on maps.) 1905 Comment
  UCD125881  Trichostema oblongum J. M. Tucker 1975-7-28 4352 Placer Ca. 100 yards west of the road in to 'The Cedars', private holding on the upper North Fork of the American River, ca. 6 miles (airline) south of Soda Springs (Nevada County). 1798 Comment
  UCR190656  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2007-5-23 12082 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
  UCR235378  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2012-5-11 18960 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  CDA19495  Trifolium campestre M. I. Wibawa 2002-5-27 269 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. F 91 Comment
  HSC82235  Trifolium depauperatum Thomas W. Nelson 1979-4-10 4579 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  RSA537641  Trifolium depauperatum Barbara Ertter 8186 Placer Auburn-Forest Hill Road 6 .2 mi SW of Spring Garden Road jct., ca 8 air miles NE of Auburn. 610 Comment
  SFV8467  Trifolium depauperatum L. Gould 1962-3-31 20 Placer Powerline Road about 4 miles west of Roseville. 46 Comment
  SD248416  Trifolium depauperatum var. depauperatum George K. Helmkamp, Amy Barnes 2013-3-28 20280 Placer Eastern Sacramento Valley; along 10th street/Ranch House Road, 0.6 mile south of its junction with Riosa Road in Sheridan. 42 Comment
  OBI82141  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20488 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR207872  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2009-4-22 14570 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  CDA19487  Trifolium glomeratum M. I. Wibawa 2002-5-27 264 Placer Sacramento Valley; Folsom Lake, American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  CDA36256  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2009-5-11 14677 Placer Sierra Nevada Mountains Foothills; Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn. Comment
  RSA637580  Trifolium hirtum Michael A. Vincent 1999-6-12 8634 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCR198410  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2008-4-17 13297 Placer Sacramento Valley / Sierra Nevada Foothills, about 0.2 mile north of CA-193 on Fowler Road, about 6 miles east of Lincoln 93 Comment
  UCR208549  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14677 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UCR253130  Trifolium hirtum George K. Helmkamp, Amy Barnes 2014-4-23 22810 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
  SEINET9260873  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-1 22809 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  JEPS59433  Trifolium longipes Ezra Brainerd and Viola B. Baird 1915-7-10 153 Placer Deer Park Sierra Nevada Mtns 1920 Comment
  UCD111275  Trifolium longipes R. Tofsrud 1951-7-11 s.n. Placer Ice Lake, 4 mi. S of Soda Springs. Comment
  CDA37046  Trifolium microcephalum CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CHSC96465  Trifolium microcephalum Lowell Ahart; Brian Williams 2007-4-13 13646 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  RSA537541  Trifolium microcephalum Barbara Ertter 1989-4-8 8161 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  POM126205  Trifolium monanthum subsp. parvum C. F. Sonne 1889-07 3253 Placer Above Coldsman in Canon toward Donner Lake. Comment
  UC33298  Trifolium pratense Miss Ora Boring July, 1901 Placer Lake Tahoe Comment
  UCR173249  Trifolium willdenovii George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10458 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
  UCR250346  Trifolium willdenovii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20363 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  POM182474  Trifolium wormskioldii Katherine Brandegee 1911-07 s.n. Placer Tahoe Tavern. Comment
  UCD38500  Trifolium wormskioldii Beecher Crampton 1955-7-13 3013 Placer Bear Valley, along State Hwy. 20, 1.5 mile north of Emigrant Gap, Placer-Nevada Co. line. 1371 Comment
  CHSC84542  Triglochin scilloides John Dittes 2003-5-25 2003 -22 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. 39 Comment
  UC147565  Trillium albidum Harriet A. Walker 1908-6-24 1259 Placer Blue Canyon Comment
  UC142115  Trillium angustipetalum Abigail Smith 1899-4-1 Placer Applegate 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