Search Results — 2000 specimen records retrieved (1602 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS46610  Abies magnifica Dr. J. C. Hawver Oct. 1908 Placer Summit Comment
  CAS-BOT-BC333260  Acer macrophyllum Saichi Kawahara 1969-5-24 881 Placer Old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  CAS-BOT-BC333262  Acer macrophyllum Marcus E. Jones 1882-6-28 3306 Placer Emigrant Gap Comment
  UC372535  Acer macrophyllum Marcus E. Jones, A. M. 1882-1 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  OBI20109  Achillea millefolium David J. Keil 1978-7-23 12947 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UC2046440  Achillea millefolium D. G. Kelch 2011-10-4 sn. Placer Grandlibakken Resort. Tahoe City Comment
  UCD128290  Achillea millefolium Eric Brenner; John Hunter 1996-5-26 009 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD130325  Achillea millefolium Albert Grigarick 2011-8-31 306 Placer Alpine Meadows Ski Resort. Approx. 200 yds W of headquarters. 2150 Comment
  UCD33484  Achillea millefolium Beecher Crampton 1968-10-5 8387 Placer 10 miles S.E. of Truckee on State Hwy. 127. 1828 Comment
  UCD43167  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 536 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET11842679  Achillea millefolium subsp. lanulosa J. H. Nishida 1985-1 783 Placer Homewood 1829 Comment
  SACT000017  Achnatherum hymenoides 1977-7-15 Placer T.16N., R.15E. 2000.0 Comment
  CAS-BOT-BC210686  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer Ca. 1 mile west of Baxter Comment
  SEINET232544 Image available Achnatherum nelsonii subsp. dorei Mary E. Barkworth, L Firestone 1987-8-20 4011 Placer Campground 0.7 mi south of I-80 to tahoe City; interchange at Truckee Comment
  SEINET255890 Image available Achnatherum nevadense Mary E. Barkworth, LR Firestone 1987-8-20 4009 Placer Campground 0.7 mi south of I 89 to Tahoe City Interchange Truckee. Comment
  SEINET255891 Image available Achnatherum nevadense Mary E. Barkworth, LR Firestone 1987-8-20 4008 Placer Campground 0. 7 mi south of I-89 to Tahoe City interchange Truckee Comment
  UCD55557  Achnatherum occidentale Beecher Crampton 1958-6-24 4959 Placer Placer-Nevada Co. line: Eastern edge of Martis Valley, ca. 4 miles east of Truckee. Comment
  CAS-BOT-BC210834  Achnatherum occidentale subsp. californicum G. W. Dunn No date on label s.n. Placer Emigrant Gap 1524 Comment
  CDA15968  Achnatherum occidentale subsp. californicum G. F. Hrusa, J. Glazner 1999-7-17 15118 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA657082  Achnatherum occidentale subsp. californicum Lynn R. Firestone, Harold Firestone 1983-8-6 8317 Placer Along Hwy 20 about 2 mi west of I-80 interchange to Nevada City 1585 Comment
  POM115573  Achnatherum occidentale subsp. occidentale Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. 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
  RSA43802  Achyrachaena mollis D. F. Howe 1948-5-21 s.n. Placer [Unspecified] 457 Comment
  SCFS1005  Acmispon E. Krimmel 2014-6-26 Placer Above seep at Cedars driveway on Soda Springs road Comment
  SEINET7249210  Acmispon americanus var. americanus G. K. Helmkamp, E. A. Helmkamp 2012-1 19917 Placer Northern Sierra Nevada Mountains; junction of Nyack Road and I-80 in the Emigrant Gap area 1652 Comment
  UCD22075  Acmispon americanus var. americanus Rex Palmer 1979-7-12 N 597 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC438835  Acmispon argophyllus var. fremontii George K. Helmkamp; Mary Alice Barnes 2013-5-3 20502 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill. 422 Comment
  UCD103988  Acmispon argophyllus var. fremontii Beecher Crampton 1955-6-15 2887 Placer Bunch Canyon near its base, 4.5 miles south of U.S. Highway 40, near its base, Forest Hill Road. Comment
  SEINET5327408  Acmispon brachycarpus A. Beninghoff 1930-4-19 1768 Placer Virginia Town Comment
  SEINET5327449  Acmispon nevadensis var. nevadensis F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  SEINET5337506  Aconitum columbianum P. A. Lehenbauer 1932-9-11 1469 Placer Carnelian Bay, Tahoe. Comment
  UC118882  Aconitum columbianum C. F. Sonne 1897-7-25 Placer w. slope <Washoe> Mt.; Sierra Nevada Mts. Comment
  CAS-BOT-BC391461  Aconitum columbianum subsp. columbianum G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC418774  Aconogonon phytolaccifolium John Thomas Howell 1943-7-21 18646 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC29249  Acroptilon repens T. C. Fuller 1964-9-1 12572 Placer North edge of freeway interstate 80 from Donner Summit, 0.1 miles W of Blue Canyon Road 1524 Comment
  JEPS44803  Adenostoma fasciculatum L. S. Smith 1932-5-11 Placer above Middle Fork American R. Forest Hill divide Comment
  POM120401  Adiantum jordanii Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
Read comments
Sep 3 2010
  UCD51602  Aegilops triuncialis B. Crampton 1955-5-27 2815 Placer 5-6 miles northwest of Roseville. Comment
  UCR241273  Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19218 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  SEINET7940406  Agastache urticifolia L. R. Miller 1934-7-8 s.n. Placer Cisco. 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
  UCD128584  Agoseris grandiflora G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10449 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along an unnamed road to Lake Clementine, 1.2 miles N of Forest Hill Road. 422 Comment
  SEINET9335664  Agoseris heterophylla Unknown 2002-5-22 220 Placer Hughes Mill, along Finning Mill Rd, approx. 3 mi N of Forest Hill rd, approx 3 mi E of Forest Hill. Serpentine open forest, bogs, flats and slopes. Disturbed condsiderably in past on lower area, flats than on upper slopes. Open serpentine flats adjacent t Comment
  JEPS126299  Agoseris heterophylla var. heterophylla Steve Matson 2003-6-9 797 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267 and west of Martis Creek, along Airpot Creek. Comment
  CAS-BOT-BC13179  Agoseris monticola John Thomas Howell 1943-7-26 18832 Placer Donner Pass to Mount Lincoln Comment
  CDA15680  Agoseris retrorsa G. F. Hrusa, J. Glazner 1999-7-18 15230 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  SD240834  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Northern Sierra Nevada Mountains Foothills:Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road (Foresthill 7.5'Q) 1103 Comment
  UC112920  Agoseris retrorsa Katharine Brandegee 1908-6-6 Placer near Auburn Comment
  CAS-BOT-BC13329  Agoseris retrorsa Grant 1906-7-15 7017 Placer Taheo Tavern Comment
  CDA25690  Agrimonia gryposepala T. Barbato 1971-6-21 Placer Tony Barbato property, Meadow Vista. 0 Comment
  SACT000044  Agropyron desertorum Michael Baad 1983-7-23 Placer Along Highway 267 on Southside of road. Elevation 1767.84 m Comment
  SACT000050  Agropyron intermedium var. trichophorum Michael Baad 1977-6-9 Placer Junction of Middle Fork of American River and Rubicon River 365.76 Comment
  UCR146662  Agropyron parishii var. laeve Beecher Crampton 1955-6-15 2895 Placer Sierra Nevada Mountains, Shirttail Canyon, 6.5 miles west of Iowa Hill 610 Comment
  SEINET10909049  Agropyron pringlei A. Arthur Heller 1917-8-13 Heller 12919 Placer Ridge northwest of Donner Pass on a steep gravelly slope below a ledge of igneous rock, the neighboring forest composed of Abies magnifica. 2377 Comment
  UCR201890  Agrostis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14034 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
  UCR209751  Agrostis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15430 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  SACT000123  Agrostis avenacea Josephine Van Ess 1976-6-16 Placer Diamond Oaks Rd at small stream draining from golf course. Wet streambank. Roseville. 48.8 Comment
  UCR206834  Agrostis capillaris George K. Helmkamp, E. A. Helmkamp 2009-7-16 15212 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  SACT000086  Agrostis exarata D. Meyer 1983-8-7 Placer East bank 1879.0 Comment
  SACT000087  Agrostis exarata D. Meyer 1984-6-10 Placer 436.0 Comment
  UC815012  Agrostis exarata A. S. Hitchcock 12891 Placer Summit Station 2121 Comment
  UCD34018  Agrostis exarata Beecher Crampton 1975-9-9 9269 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  UCD52406  Agrostis exarata N. French 1933-6-6 s.n. Placer near Newcastle. 304 Comment
  SACT000094  Agrostis exarata Josephine Van Ess 1976-6-11 Placer Dried streambank 27.4 Comment
  CAS-BOT-BC139727  Agrostis gigantea Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CAS-BOT-BC139446  Agrostis hyemalis John Thomas Howell 1943-7-19 18572 Placer Summit Valley. Comment
  CAS-BOT-BC139254  Agrostis idahoensis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  UCD44437  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1803 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD52992  Agrostis idahoensis Lewis S. Rose 1944-7-26 44272 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  SEINET13384101 Image available Agrostis pallens George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-1 19523 Placer Northern Sirrea Nevada Mountains: Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2135 Comment
  UCD53131  Agrostis pallens A. A. Heller 1917-8-13 12897 Placer Base of a cliff north of Cummit hotel. 2164 Comment
  UCD53210  Agrostis pallens A. A. Heller 1919-7-25 13305 Placer near the Yuba river below Cisco. 1676 Comment
  CAS-BOT-BC138718  Agrostis scabra Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  SACT000152  Agrostis scabra D. Meyer 1983-9-10 Placer moist streambank and meadow 1879.0 Comment
  SACT000167  Agrostis scabra D. Meyer 1984-8-12 Placer 11.2 km from French Meadows, very wet boggy area and grazed wooded area 1612.0 Comment
  SACT000168  Agrostis scabra D. Meyer 1984-8-4 Placer very wet roadside ditch, hillside seeping water, shady 1454.0 Comment
  SACT000174  Agrostis semiverticillata Josephine Van Ess 1976-5-12 Placer streamside, wet 91.5 Comment
  UCD53516  Agrostis stolonifera B. Bolt 1934-8-14 s.n. Placer E. slope of Red Star Ridge. 1767 Comment
  SACT000203  Agrostis stolonifera var. major D. Meyer 1983-7-16 Placer 1624.0 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
  SACT000249  Agrostis variabilis Michael Baad 1983-8-27 Placer Trail btw Lower Loch Leven Lake and Salmon Lake 2072.64 Comment
  SACT000251  Agrostis variabilis Michael Baad 1983-8-11 Placer Collected 3 miles west of Alpine Meadows 2133.6 Comment
  UCD42942  Agrostis variabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 311 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA37240  Aira caryophyllea CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  RSA385608  Aira caryophyllea A. A. Beetle 1941-5-26 2710 Placer Near Cisco 915 Comment
  SD43594  Aira caryophyllea Darley F. Howe 1948-5-20 Placer No further locality information given on label on specimen sheet. 456 Comment
  UC1618251  Aira caryophyllea Barbara Ertter with David Thompson 1989-4-8 8163 Placer Iowa Creek Road 2 mi from I-80 near entrance to Auburn State Recreation Area (at creek crossing); Iowa Creek Road 518 Comment
  UCD55729  Aira caryophyllea A. A. Beetle 1941-5-26 2710 Placer Near Cisco. 914 Comment
  CAS-BOT-BC138376  Aira caryophyllea var. caryophyllea Peter H. Raven 1954-4-16 6605 Placer 7 miles south of Lincoln on road to Roseville. Comment
  CAS-BOT-BC445327  Alisma lanceolatum L. R. Abrams 1917-9-15 6760 Placer 3-5 mi above Auburn Comment
  RSA353527  Alisma triviale William Martin 1971-9-10 20221 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CAS-BOT-BC464521  Allium campanulatum John H. Thomas; Hazelle A. Thomas 1956-7-21 6139 Placer Sierra Nevada. vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CDA12428  Allium campanulatum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8557 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  RSA35118  Allium campanulatum L. S. Rose 1944-7-13 44106 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UC710487  Allium campanulatum Lewis S. Rose 1944-7-13 44106 Placer Chambers Lodge Lake Tahoe, Chambers Lodge 1920 Comment
  CAS-BOT-BC464481  Allium campanulatum Carl Purdy 1933-6-1 s.n. Placer Near Mt. Lincoln, Donner Pass Comment
  UC120013  Allium campanulatum C. F. Sonne 1895-7-25 Placer w slope Washoe Mts. Sierra Nevada Mountains, Washoe Mts. Comment
  SCFS1194  Allium obtusum E. Krimmel 2014-4-21 Placer Pt. Mariah Comment
  UCD158862  Allium obtusum G. Ledyard Stebbins 1971-7-25 8047 Placer 0.5 mile north of summit of Snow Mountain, south of Soda Springs. (Exact location unknown. Coordinates estimated by label maker.) 2346 Comment
  CHSC46525  Allium platycaule Lowell Ahart 1964-7-3 12 Placer Along the trail to the Placer Queen Mine, north-east of Bald Mountain. 1676 Comment
  SJSU7111  Allium platycaule R. L. Fisher 1959-6-22 Placer Lead Mine area of Sugar Bowl, SE of Norden 1981 Comment
  UC1577329  Allium platycaule Baki Kasapligil 1972-7-16 4471 Placer Sierra Nevada south to Placer County Sierra Nevada Comment
  UCD149499  Allium sanbornii G. L. Stebbins 1978-5-28 7890 Placer West side of Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1280 Comment
  RSA300577  Allium validum John Dourley, Walter Wisura 1982-10-13 3861 Placer ca. 6 miles SW of Emigrant Gap, along forestry road 19. 1463 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
  UC702548  Allophyllum gilioides subsp. violaceum L. S. Rose 1941-7-9 41299 Placer Lake Tahoe, Chambers Lodge (McKinney) 2100 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
  UC1123707  Allophyllum integrifolium B. Bolt 1934-7-10 93 Placer 2 mi. s. Huysink Lake; Tahoe Nat'l Forest, Colfax Quad. Comment
  UC188487  Allophyllum integrifolium C. F. Sonne Sep 9 1883-May 1 1889 Placer woods above Kneeland's Mill Comment
  UCR233402  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18184 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
  JEPS59059  Allotropa virgata C. F. Sonne 1888-7-1 437 Placer Sierra Nevada Mountains, on Truckee River Truckee River; Sierra Nevada Mountains, Truckee River Comment
  SBBG55742  Alnus incana subsp. tenuifolia D. Keil 1978-7-23 12922 Placer Cisco Grove exit from Interstate 80, just E of Nevada County line 1767 Comment
  UC1076427  Alnus incana subsp. tenuifolia H. L. Mason 1929-10-4 5463 Placer 4 mi s Truckee (on Truckee-Tahoe Rd, along river); Truckee River Comment
  SACT002784  Alnus tenuifolia Michael Baad 1977-6-2 Placer Collected north facing slope in mixed coniferous forest. 853.0 Comment
  SD43609  Alnus tenuifolia Darley F. Howe 1948-5-22 1823 Placer unknown 1705 Comment
  UCD21603  Alopecurus pratensis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1268 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
  RSA116450  Alopecurus saccatus Beecher Crampton 1957-5-7 3988 Placer vernal pools 2 miles north of Lincoln. Comment
  UCD55970  Alopecurus saccatus Beecher Crampton 1957-5-7 3986 Placer Whitney Ranch, 6.8 miles north of Roseville. Comment
  CAS-BOT-BC13677  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Along US Highway 40 east of AUburn, at Bowman Comment
  UCD37375  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Bowman, along U. S. Highway 40. Comment
  JEPS44681  Amelanchier Katharine Brandegee Jul 1908 Placer Alta Comment
  CAS-BOT-BC136697  Amelanchier alnifolia var. pumila Alice Eastwood 1912-6-15 372 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC136774  Amelanchier utahensis Mary P. Wells 1980-9-12 s.n. Placer Near Tahoe City, West end of Pioneer Way 1981 Comment
  LA210934  Amelanchier utahensis C. B. Wolf; 1917-6-19 12729 Placer SIERRA NEVADA, Emigrant Gap. 1615 Comment
  CDA39024  Amelanchier utahensis var. utahensis D. G. Kelch 2011-10-3 11 .819 Placer Tahoe City. Granlibakken Resort. Comment
  CHSC107416  Amorpha californica Karen I. Callahan 2010-6-26 17 Placer Northern Sierra Nevada Foothills. Shutamul Preserve of the Placer County Land Trust. North slope above the Bear River, NW of Hwy 49 and S of the confluence of Wolf Creek with Bear River. 335 Comment
  UCD119687  Amsinckia intermedia M. H. Mills 1996-4-12 132 Placer At corner of Eden Oaks Circle and Walden Lane, Loomis. 180 Comment
  CDA40477  Amsinckia intermedia T. C. Fuller 1966-5-11 14630 Placer Growing grounds of California Nursery, Loomis. 0 Comment
  CAS-BOT-BC64273  Anaphalis margaritacea A. A. Heller 1916-8-13 12907 Placer Summit hotel 2133 Comment
  SCFS1165  Anaphalis margaritacea E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Creekside at Chickering. Comment
  SEINET9359457  Anaphalis margaritacea Unknown 2000-9-3 15661 A Placer Placer Comment
  CDA31477  Andropogon virginicus Cliff Hulbert 1957-10-27 Placer Auburn, Ranch of Edward Forester (Rt. , Box 1218) 0 Comment
  UCD56088  Andropogon virginicus R. F. Davis 1951-1-1 s.n. Placer 10 miles north of Lincoln. Comment
  UC650444 Image available Androsace occidentalis var. simplex Marcus E. Jones 1884-9-29 Placer Emigrant Gap Comment
  CAS-BOT-BC391821  Anemone drummondii Alice Eastwood 1909-1-1 308 Placer Lake Tahoe Region. Wards Pass Comment
  SEINET9289174  Angelica breweri Unknown 2009-7-16 15213 Placer Sierra Nevada Mountains Comment
  UC1122887  Angelica breweri B. Bolt 1934-8-23 198 Placer Divide between Picayune and Grayhorse (Tahoe National Forest); Tahoe National Forest 2438 Comment
  UC1122895  Angelica breweri R. C. Wilson 1934-9-19 72 Placer Tahoe National Forest, Squaw Valley Squaw Valley; Tahoe National Forest, Squaw Valley 2011 Comment
  UCR242342  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2010-7-28 16680 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  CAS-BOT-BC63972  Antennaria argentea W. R. Dudley 1900-6-29 s.n. Placer Near Tahoe City Comment
  CAS-BOT-BC63973  Antennaria argentea C. F. Sonne 1886-7-4 162 Placer On Truckee River Comment
  CHSC73005  Antennaria argentea L. P. Janeway 1998-7-6 5968 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  JEPS126323  Antennaria dimorpha Steve Matson 2001-5-28 485 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; due south of Highway 267. Comment
  UC197219  Antennaria media C. F. Sonne 1897-7-1 Placer east of Mt. Anderson; Sierra Nevada Mountains 2438 Comment
  POM57383  Antennaria media C. F. Sonne 1895-08 s.n. Placer Above Coldstream 2439 Comment
  CAS-BOT-BC77285  Antennaria microphylla Geo. B. Grant 1906-7-15 7026 Placer Tahoe Tavern Comment
  CAS-BOT-BC84761  Antennaria rosea subsp. rosea Alice Eastwood 1909-1 70 Placer Sunnyside Comment
  CDA1723  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Sierra Nevada Mtns.; near Cisco, Elev. 3000 ft. Comment
  SACT000335  Anthoxanthum odoratum Josephine Van Ess 1976-6-16 Placer Eureka Road just west of Eureka School. Wet springy area. 103.7 Comment
  UCD36703  Anthoxanthum odoratum Beecher Crampton 1955-7-13 2985 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. 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
  UCD127200  Anthriscus caucalis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  UCD127201  Anthriscus caucalis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 -B Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  UCR176282  Anthriscus caucalis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10427 B Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  POM42882  Antirrhinum leptaleum Marcus E. Jones 1882-7-7 s.n. Placer [No location information provided.] Comment
  SEINET6329790  Aphanes occidentalis D. E. Brix 1962-3-17 s.n. Placer 3.5 miles east of Auburn 274 Comment
  UC1123471  Apocynum androsaemifolium G. T. Nordstrom 1934-6-21 145 Placer near Mammoth Springs Tahoe Nat'l Forest, Colfax Quad. Comment
  UC147642  Apocynum androsaemifolium Harriet A. Walker 1908-6-24 1268 Placer Blue Canyon 1432 Comment
  UCD150266  Apocynum androsaemifolium James A. Neilson Jr. 1971-8-31 2563 Placer Tahoe Basin, King's Beach (Oakwood). 1901 Comment
  UCR206595  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15208 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  RSA463235  Apocynum androsaemifolium subsp. pumilum J. H. Nishida 1985-7-10 772 Placer Homewood. 1829 Comment
  CAS-BOT-BC397897  Aquilegia formosa Geo. B. Grant 1906-7-15 7019 Placer Tahoe Tavern Lake Tahoe Comment
  SD237579  Aquilegia formosa G. K. Helmkamp, Amy Barnes 2009-7-12 15180 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  UC853791  Aquilegia formosa Marcus E. Jones 1882-6-28 2614 Placer Emigrant Gap Comment
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Sep 7 2010
  UCD22175  Aquilegia formosa Beth Lowe Corbin 1982-8-23 402 Placer 2 1/4 miles WSW of The Cedars. N facing slope, 30% incline. Partial sun. Occasional. Along drainage way in logged white fir forest. Sepals scarlet, petals yellow. 1981 Comment
  UCD22176  Aquilegia formosa Rex Palmer 1979-6-20 N 350 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD95554  Aquilegia formosa L. M. Sparks 1912-8-1 27 Placer Lake Tahoe. 1920 Comment
  UCR240747  Aquilegia formosa George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19797 Placer Northern Sierra Nevada Mountains, along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  RSA569052  Aquilegia formosa var. truncata Bonnie C. Templeton 1931-7-4 1505 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  JEPS109848  Arabis rectissima var. rectissima Dean W. Taylor 2005-7-15 19410 Placer Martis Peak, saddle 0.5 air miles E of the summit 2560 Comment
  UC1601421  Arabis rectissima var. rectissima Katharine Brandegee Placer Tahoe Tavern Comment
  SEINET7258076  Arbutus menziesii W. D. Billings 1940-5-18 s.n. Placer Gold Run Comment
  SBBG1363  Arceuthobium abietinum E. R. Blakley 1960-8-29 3793 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UC336862  Arceuthobium campylopodum Lemmon 1886-1 Placer Auburn Comment
  CAS-BOT-BC409996  Arceuthobium campylopodum Catherine Best 1985-9-15 1151 Placer edge of Sugar Pine Reservoir, about 6 miles N of Foresthill 1158 Comment
  CAS-BOT-BC24248  Arctostaphylos mewukka Alice Eastwood 1922-4-6 11122 Placer 3 mi. above Colfax near the road. Comment
  UCR60663  Arctostaphylos mewukka G. D. Wallace, R. F. Thorne, Larry E. DeBuhr, et al. 1975-4-13 1421 Placer Sierra Nevada, Baxter exit off Hwy 80 between Alta and Blue Can. 1207 Comment
  CAS-BOT-BC40044  Arctostaphylos nevadensis A. A. Heller 1917-6-17 12695 Placer Near the Yuba river below Cisco. 1676 Comment
  CAS-BOT-BC40049  Arctostaphylos nevadensis R. F. Hoover 1967-9-5 s.n. Placer Carnelian Bay, Lake Tahoe Comment
  UC567005  Arctostaphylos patula R. W. Lundh and J. E. Sowder 1933-4-20 51 Placer 3 1/2 mi sw Blue Canyon (above railroad); Colfax Quadrangle 1371 Comment
  UCD22389  Arctostaphylos uva-ursi Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1301 Placer Gold Run rest area along Hwy 80, just before exit to Dutch Flat. 762 Comment
  SEINET7268599  Arctostaphylos viscida L. R. Miller 1934-6-23 s.n. Placer Above Colfax 914 Comment
  SEINET7268702  Arctostaphylos viscida J. Ridley 1959-3-29 2 Placer 3 miles south of Auburn on Highway 49. 442 Comment
  CAS-BOT-BC47055  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1930-10-11 1733 Placer Near Alta. 1127 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
  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
  RSA637021  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24912 Placer Forest Hill Road, 13 km west of Forest Hill, northeast of Auburn. 590 Comment
  RSA637028  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24923 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  RSA0050352  Arctostaphylos viscida subsp. viscida Wm. Martin 1971-9-10 20208 Placer Vicinity of Applegate, 7 miles E of Auburn. Comment
  RSA123204  Arctostaphylos viscida subsp. viscida N. H. French 1934-6-1 396 Placer N. Fork of N. Fork of American River. 1402 Comment
  UC120409  Arenaria congesta var. suffrutescens T. S. Brandegee June 1870 Placer Cisco Comment
  CDA24000  Arenaria kingii var. glabrescens K. Stark 1994-8-17 Placer Martis Peak, Tahoe National Forest. 0 Comment
  UC1125757  Arenaria kingii var. glabrescens N. French 1934-6-22 448 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle 2286 Comment
  CDA19574  Arenaria serpyllifolia subsp. serpyllifolia M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 216 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
  SEINET11695830  Aristida oligantha Unknown 1961-9-27 5995 Placer 1 mi W of Auburn, along US 40 Comment
  SBBG61533  Aristolochia californica E. Flint 1931-2-21 1297 Placer Auburn ravine 304 Comment
  CAS-BOT-BC82199  Arnica chamissonis Margaret Williams 1974-8-8 74 -P1-31 Placer [Murphy's] Murphy Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CHSC73916  Arnica chamissonis Susi Urie 1998-8-18 98 -061 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC82200  Arnica chamissonis Marguerite Wells; Nell E. Flattery 1980-9-1 s.n. Placer Pioneer Way, Tahoe City Comment
  CAS-BOT-BC82212  Arnica chamissonis John Thomas Howell 1925-7-5 1385 Placer Armstrong's, Emerald Bay, Lake Tahoe 1889 Comment
  UC53991  Arnica chamissonis Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  RSA35128  Arnica chamissonis subsp. foliosa L. S. Rose 1944-7-25 44250 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  POM53360  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer On road to Lake Tahoe. Comment
  UC84125  Arnica dealbata C. F. Sonne July 1895 Placer road to Lake Tahoe Comment
  POM51369  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer Near Pole Creek on Truckee River. Comment
  UC468976  Arnica longifolia Miss Helen D. Geis Jun 1 1912-Jul 1 1912 165 Placer Deer Park Comment
  CAS-BOT-BC85136  Arnica nevadensis Elizabeth Parsons Hawver 1911-8-1 s.n. Placer Lake Tahoe Region - Madden Creek, upper meadows Comment
  CAS-BOT-BC85146  Arnica nevadensis John Thomas Howell 1943-7-21 18662 Placer Donner Pass to Mt. Lincoln Comment
  JEPS111285  Arnica nevadensis Steve Matson 2005-7-30 1422 Placer Squaw Valley ski area, about 1 km west of High Camp (top of tramway), under Shirley Canyon chairlift upper terminal: 39.1942 N, 120.2721 W ; elevation 8,100 ft. 2468 Comment
  POM160241  Arnica nevadensis C. F. Sonne 1897-07 s.n. Placer E Slope Mt. Anderson 2439 Comment
  UC467691  Arnica nevadensis Miss Harriet A. Walker 1910-6-18 2120 Placer between Deer Park and Truckee 1981 Comment
  JEPS111189  Arnica parryi Steve Matson 2005-7-3 1354 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), north of Highway 267 and east of Martis Creek near vernal pools. 39.3038 N, 120.1222 W; elevation 5835 ft. 1778 Comment
  SACT000345  Arrhenatherum elatius Michael Baad 1983-6-26 Placer From Michigan Bluff to Poor Man's Canyon on trail to El Dorado Canyon 1066.8 Comment
  UC1119382  Artemisia arbuscula N. French 1934-6-22 450 Placer 7/8 mi from Lake Dulzura; Truckee Quadrangle Comment
  UCD21695  Artemisia arbuscula Beth Lowe Corbin 1982-8-4 214 Placer 1/4 miles NW of Onion Creek campground. In rocky, fine sandy granitic soil. Open area in montane chaparral. Low shrub, branches 8' high. Inflorescences 12'. Aromatic. Full sun. SW facing slope, 20% incline. Locally common. 1950 Comment
  UCD83635  Artemisia arbuscula subsp. thermopola Albert Grigarick 2009-9-10 188 Placer Squaw Valley Resort, ridge near top of Links chairlift. 2499 Comment
  JEPS16969  Artemisia douglasiana Peter H. Raven 1956-8-4 9991 Placer Blue Canyon Sierra Nevada, Blue Canyon 1432 Comment
  UCD43091  Artemisia douglasiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 459 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS111300  Artemisia ludoviciana Steve Matson 2005-8-7 1454 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.8 km NW of Silver Peak at northeast corner of flatter area near Bradley Hut; 39.2312 N, 120.2615 W; elev. 7,700 ft. 2346 Comment
  UCD21696  Artemisia tridentata Beth Lowe Corbin 1982-8-24 412 Placer 2 1/4 miles south of The Cedars. In fine, sandy, rocky soil. Open Red Fir forest. Shrub to 2' high. Flowers yellow. Foliage aromatic. Mostly sun. NW facing slope, 40% incline. Commmon. 2164 Comment
  UCD33481  Artemisia tridentata Beecher Crampton 1968-9-18 8383 Placer 1.5 miles east of Emigrant Gap on Interstate 80. 1676 Comment
  SACT000352  Arundo donax Josephine Van Ess 1977-4-27 Placer Loomis, collected on Rippery Road where flume crosses road at top of the hill. Very small plant. 140.2 Comment
  UC372822  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
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Apr 7 2018
  OBI49306  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant gap Comment
  UCD121256  Asclepias cordifolia Dr. Isabel McCracken 1935-6-2 s.n. Placer Near Auburn. Comment
  UC399499  Aspidotis densa Mrs. Carlotta C. Hall June 1910 Placer n slope of Yuba River Cisco 1676 Comment
  UCR170804  Aster integrifolius George K. Helmkamp, E. A. Helmkamp 2005-9-30 9948 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  RSA714090  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9983 Placer Northern Sierra Nevada Mts.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca. 2.2 miles west of CA Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR206574  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15201 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CDA10334  Aster oregonensis subsp. californicus T. C. Fuller 1962-9-2 9623 Placer Hwy 40 to Auburn, 2.5 miles west of Weimer. 0 Comment
  UCR146921  Aster oregonensis subsp. californicus Beecher Crampton 1961-9-27 6020 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  SCFS1043  Asteraceae E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  CAS-BOT-BC177511  Astragalus austiniae C. F. Sonne 1885-8-23 68 Placer Tinker's Knob 2895 Comment
  POM16217  Astragalus austiniae C. F. Sonne 1897-7-17 1747 Placer Tinker Knob. Comment
  SEINET12159603  Astragalus austiniae C. F. Sonne 1885-1 68 Placer Tinkus Knob 2896 Comment
  SEINET12159604  Astragalus austiniae C. F. Sonne 1885-1 s.n. Placer Tinker's Knob Comment
  UCD104669  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer Near Summit hotel. Comment
  UCD105071  Astragalus lentiginosus S. S. Smith 1916-6 709 Placer Transition Squaw Valley. Comment
  POM160238  Athyrium americanum C. F. Sonne 1887-07 s.n. Placer East slope of Mount Anderson 2439 Comment
  SD9322  Athyrium distentifolium C. F. Sonne Aug 1897 Placer East slope Mt. Anderson 2590 Comment
  UC197952  Athyrium distentifolium var. americanum C. F. Sonne July 1887 Placer e slope Mt Anderson; Sierra Nevada Mts 2438 Comment
  RSA692527  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1953-1 4942 Placer [no locality information provided] Comment
  SEINET11193207  Athysanus pusillus F. Martin 1962-3-16 74 Placer Above the North Fork Yuba River, 2 miles E of Auburn. 274 Comment
  SEINET5340474  Athysanus pusillus F. Brunetti 1962-3-7 s.n. Placer 2 miles east of Auburn, above north Fork American River. 274 Comment
  CDA36968  Avena barbata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CDA37062  Avena barbata CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SACT000366  Avena barbata Josephine Van Ess 1975-5-15 Placer collected along path from homestead site. 91.5 Comment
  UCR258180  Avena fatua George K. Helmkamp, Amy Barnes 2013-3-28 20245 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  UCR231864  Baccharis pilularis George K. Helmkamp, E. A. Helmkamp 2010-10-16 17031 Placer Northern Sierra Nevada Mountains Foothills, Sugar Pine Road at the southwest corner of Sugar Pine Reservoir near the dam 1128 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
  CAS-BOT-BC100090  Balsamorhiza sagittata Kellogg; Brannan 1870-6-27 s.n. Placer Cisco: Sierra Nevada Mts. Comment
  UCR250688  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20349 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  POM94785  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  JEPS113294  Bellardia trixago L. P. Janeway 2006-5-10 8594 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. Comment
  CAS-BOT-BC75989  Berberis pumila C. Hart Merriam 1911-11-5 s.n. Placer Near Dutch Flat. Comment
  UC1192180  Bidens cernua Malcolm A. Nobs 1948-9-25 687 a Placer 9 mi n of Auburn (Rock Creek, Highway 99); Rock Creek Comment
  UCD40287  Bidens frondosa Rodney Gale Myatt 1972-6-1 1687 Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  UCSB70080  Bidens frondosa Helmkamp, G.; Helmkamp, E. 2007-9-14 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  RSA655456  Blennosperma nanum Beecher Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  CAS-BOT-BC16272  Boechera howellii John F. Emmel 1971-7-11 377 Placer 0.3 air mile east of east side of Lake Mary, between Donner Pass and Mount Judah. 2286 Comment
  CHSC11384  Boechera platysperma Lowell Ahart 1972-6-28 Placer French Meadows. 1524 Comment
  UCD22333  Boechera platysperma Beth Lowe Corbin 1982-8-4 242 Placer 1 1/2 mile N of Onion Creek Campground. E facing slope, 50% inclination. Unocommon. Full sun. In rocky and fine, sandy, granitic soil of loose talus slope in white fir forest. 2255 Comment
  CAS-BOT-BC14400  Boechera platysperma J. F. Emmel 1970-6-21 314 Placer Slope, 0.6 air mile south of south end of Donner Pass. 2286 Comment
  CAS-BOT-BC14639  Boechera rectissima Lowell Ahart 1969-7-30 s.n. Placer Ahart Camp, French Meadow. 1524 Comment
  CAS-BOT-BC25455  Boechera retrofracta Margaret Williams 1974-8-8 74 -P1-20 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  UCD22341  Boechera retrofracta Rex Palmer 1979-6-20 N 311 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22343  Boechera retrofracta Rex Palmer 1979-6-8 N 114 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22344  Boechera retrofracta Rex Palmer 1979-6-19 N 240 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET5323261  Botrychium multifidum M. J. Williams 1970-6-7 s.n. Placer Near Emigrant Gap. 1615 Comment
  UCD66905  Botrychium simplex John Hunter 2008-6-25 s.n. Placer north of Kings Beach (north shore of Lake Tahoe) along unnamed tributary of Griff Creek. 2300 Comment
  RSA466747  Boykinia major Wm. Martin 1971-9-10 20268 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CAS-BOT-BC417619  Boykinia major L. S. Smith 1927-8-5 2141 Placer Robertson Flat, R.S. Forest Hill Dist. Comment
  UC11307  Boykinia occidentalis Mrs. M. M. Hardy 1893-1 Placer Comment
  CDA37219  Briza minor CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000474  Briza minor Josephine Van Ess 1976-3-16 Placer Collected at intersection; gravel slope 91.5 Comment
  SEINET4344869  Briza minor A. Tiehm, Hugh Mozingo, Margaret Williams, Emily McPherson 1975-1 621 Placer one mile north of Lincoln Comment
  UCD57484  Briza minor August L. Hormay 1932-5-24 s.n. Placer West of Auburn. Comment
  UCD163374  Brodiaea appendiculata Robert E. Preston 2015-4-6 2995 Placer 2.3 mi SW of Sheridan, at Yankee Slough Wetland Preserve. 40 Comment
  UCD163359  Brodiaea coronaria Robert E. Preston 2014-5-12 2961 Placer 2.1 mi SE of Sheridan, E of Old Hwy 65, S of Yankee Slough. 34 Comment
  JEPS7635  Brodiaea elegans subsp. elegans W. H. Shockley Placer Auburn Comment
  RSA21283  Brodiaea minor Carl B. Wolf 1937-5-12 8627 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  SACT000502  Bromus carinatus Michael Baad 1976-7-17 Placer 1.5 miles west of Alpine Meadows Ski Area northwest corner 2225.04 Comment
  UCD74178  Bromus carinatus Jennifer W. Burt 2005-7-17 41 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
  UCSC000050  Bromus carinatus N. French 1934-6-22 s.n. Placer 0.5 mile W. of Dulzura - Truckee, Tahoe N.F. 2134 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
  UCD22243  Bromus carinatus var. carinatus Rex Palmer 1979-7-12 N 640 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET204035 Image available Bromus carinatus var. marginatus F. J. Hermann 1955-7-27 11942 Placer NW shore of Lake Tahoe 1829 Comment
  UCD59092  Bromus carinatus var. marginatus Beecher Crampton 1953-7-21 1517 Placer Road cut along U. S. Hwy. 40, 1.5 miles east of Emigrant Gap. 1584 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
  SD255609  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-3-21 22641 Placer Sacramento Valley: Sherican, Riosa Road at the west side of its junction with old CA-65 (Sheridan 7.5'Q) 32 Comment
  UCR258229  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2013-3-28 20246 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  SACT000569  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  CHSC74464  Bromus laevipes Susi Urie 1998-9-2 98 -213 Placer Lake Tahoe Basin-National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  SACT000702  Bromus marginatus D. Meyer 1983-7-30 Placer Moist areas on both sides of road 2072.64 Comment
  SACT000573  Bromus mollis Josephine Van Ess 1976-4-14 Placer sunny slope 91.5 Comment
  HSC11184  Bromus orcuttianus A. S. Hitchcock 1913-7-15 863 Placer Trukee Comment
  SACT000621  Bromus orcuttianus D. Meyer 1983-7-3 Placer 5.4 miles from Forest Hill Road 1234.44 Comment
  SBBG22675  Bromus orcuttianus M. S. Walters 1960-6-22 Placer Hwy 28 at Brockway, Lake Tahoe Comment
  SD43593  Bromus racemosus D. F. Howe 1948-5-20 Placer 456 Comment
  SEINET3922457  Bromus rigidus Arnold Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-3-25 606 Placer One mile north of Lincoln.; 0 Comment
  CAS-BOT-BC161587  Bromus sterilis Saichi Kawahara 1969-5-25 887 Placer North of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  CAS-BOT-BC161528  Bromus tectorum Lewis S. Rose 1946-6-23 46198 Placer Rainbow, north of Cisco. 1737 Comment
  UCD22241  Bromus tectorum Rex Palmer 1979-6-21 N 355 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT000769  Bromus tectorum var. tectorum D. Meyer 1984-5-28 Placer next to orchard 206.0 Comment
  SACT000773  Bromus tectorum var. tectorum D. Meyer 1983-7-3 Placer 1152.0 Comment
  SEINET3924020  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass.; 0 2286 Comment
  CHSC73114  Calamagrostis canadensis L. P. Janeway 1998-8-6 5995 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC73528  Calamagrostis canadensis L. P. Janeway; Eric Schroder 1998-9-16 6336 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
  UCSB45754  Callitriche marginata Reisentz, Paul 1979-5-11 Placer 1 mile south of Sheridan on Highway 65 Comment
  SJSU8208  Callitriche palustris W. Savage 1968-8-2 563 Placer 200 yards E of L Van Norden Comment
  CHSC24734  Calochortus albus T. C. English 1976-4-11 12 Placer N. Fork American River. 2 mi. W. Hwy 49 bridge, 400yds. N. abandoned R. R. in S. facing rockpile. 335 Comment
  CAS-BOT-BC487485  Calochortus albus Saichi Kawahara 1969-5-25 1035 Placer Near B.M. 2393, 'Nigger George Ravine, Colfax - Iowa Hill Road 729 Comment
  UC3363  Calochortus albus C. F. Sonne 1891-5-17 7 Placer Auburn to Newcastle; Sierra Nevada Mountains Comment
  HSC33454  Calochortus coeruleus Thomas W. Nelson, James Nelson 1974-6-17 1355 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  UC147615  Calochortus coeruleus Miss Harriet A. Walker 1908-6-23 1242 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC487808  Calochortus coeruleus W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  JEPS111261  Calochortus leichtlinii Steve Matson 2005-7-16 1403 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  UCD22049  Calochortus leichtlinii Rex Palmer 1979-6-19 N 269 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC487951  Calochortus leichtlinii Alice Eastwood 1909-1-1 252 Placer Lake Tahoe, Deer Park Comment
  SEINET6165564 Image available Calochortus leichtlinii Unknown 1982-8-5 s.n. Placer Ski area above Tahoe Truckee Rd. Comment
  SEINET8197384  Calochortus luteus D. F. Erskine 1941-4-26 6 Placer 2 miles E of Roseville. 76 Comment
  SCFS1106  Calochortus minimus E. Krimmel 2013-6-2 Placer Near pond at top of Foresthill Road, near Am. River gorge overlook Comment
  CAS-BOT-BC483468  Calochortus minimus Miss T. O. Raphael 1923-7-6 s.n. Placer Cisco Comment
  CAS-BOT-BC493404  Calochortus monophyllus Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SEINET12045761  Calochortus monophyllus L. Constance, Morrison, J. L. 1938-1 2172 Placer E edge of Applegate, Sierra Nevada foothills 610 Comment
  SEINET8197448  Calochortus monophyllus D. F. Erskine 1941-4-25 16 Placer Bear River Canyon. 1067 Comment
  SEINET8197464  Calochortus monophyllus W. Roderick, R. Halliday 1967-6-10 s.n. Placer Hwy 40 at Alta turnoff. 1067 Comment
  POM109551  Calochortus nudus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap. Comment
  SEINET3364434 Image available Calochortus nudus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap Comment
  UC843706  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 mi n Colfax Comment
  SD103951  Calochortus uniflorus J. L. S. S. 1970-5-26 Placer Near Auburn, wet. low, alkaline places. (IPB 3/08) Comment
  UCD22177  Caltha leptosepala Rex Palmer 1979-7-11 N 533 Placer Headwaters basin area of the North Fork of the American River Comment
  UC912594  Calycadenia multiglandulosa H. L. Mason 1929-10-4 5455 Placer 2.4 mi below Weimar Comment
  JEPS7095  Calycadenia multiglandulosa Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Howard Stutz, Alex D. Hawkes, Juan Hunziker, 1952-7-19 3849 Placer about 1 1/2 mi n of (and below) Colfax (on grade along road to Iowa Hill, n slope of the canyon of the North Fork of the American River); North Fork of the American River Comment
  RSA255483  Calycadenia multiglandulosa subsp. bicolor Gerald D. Carr 1971-8-15 634 Placer 4.1 miles north of Auburn on Hwy. 49 427 Comment
  RSA6259  Calycadenia multiglandulosa subsp. bicolor D. D. Keck 1932-6-30 1588 Placer 0.3 miles north of Weimar P. O.; Sierra Nevada. 686 Comment
  CDA42829  Calycadenia truncata G. F. Hrusa, M. Pitcairn 2015-7-16 18652 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 329 Comment
  UC419712  Calycadenia truncata Mrs. H. P. Bracelin 1930-10-12 99 Placer n of Colusa (on Georgetown Road) Comment
  POM29893  Calycadenia truncata subsp. truncata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UC1136657  Calyptridium monospermum N. French 1934-5-24 367 Placer North Fork of North Fork American River North Fork American River; Tahoe National Forest, North Fork American River 1341 Comment
  UCR240905  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19228 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UCR242332  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16657 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  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
  UCR120241  Calyptridium umbellatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5023 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCD14647  Calystegia occidentalis subsp. occidentalis Deanna Lynn Pfleger 1989-5-20 4 Placer California, Placer Co.; 20 miles out of the town of Auburn, along Foresthill Road; 1036 Comment
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Jun 20 2014
  JEPS31616  Calystegia occidentalis subsp. occidentalis Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC416718  Calystegia vanzuukiae R. K. Brummitt; S. N. Namoff; K. Van Zuuk; B. Ertter 2012-6-12 22047 Placer Tahoe National Forest, 3 miles NE of Foresthill, Western States Trail c. 1 mile from Michigan Bluff Road 1091 Comment
  CAS-BOT-BC418636  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff; K. Van Zuuk; B. Ertter 2012-6-12 22051 Placer Tahoe National Forest, 8.2 miles NE of Foresthill, on Sugar Pine Road 4.4 miles from Forest Hill Road 1170 Comment
  CDA19551  Calystegia vanzuukiae M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 243 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
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Jun 20 2014
  CHSC112057  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22047 Placer Tahoe National Forest, 3 miles NE of Foresthill, Western States Trail c. 1 mile from Michigan Bluff Road. 1091 Comment
  UC1965419 Image available Calystegia vanzuukiae R. K. Brummitt 2012-6-12 22047 Placer Tahoe National Forest, Western States Trail c. 1 mile from Michigan Bluff Road Comment
  CAS-BOT-BC267278  Campanula Nell E. Flattery; Mary P. Wells 1980-9-12 s.n. Placer Garden escape, Poineer Way, Tahoe City 1981 Comment
  RSA456178  Campanula prenanthoides P. A. Munz 1934-7-9 12733 Placer Emigrant Gap. Comment
  SD243113  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 (Duncan Peak 7.5'Q) 1552 Comment
  CAS-BOT-BC37246  Cardamine breweri Alice Eastwood 1909-1-1 179 Placer Lake Tahoe Region. Ward Creek. Comment
  CAS-BOT-BC37257  Cardamine breweri Arnold Tiehm 1974-8-8 519 Placer Sierra Nevada. Murphy's Meadow. 2407 Comment
  CDA33661  Cardamine breweri Dale Woods 2010-7-21 Placer Southwest corner of Squaw Valley Road and Hwy 89, between area park/soccer field and road. Comment
  JEPS126374  Cardamine breweri Steve Matson 1998-6-1 276 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 70 yards east of Boundary Fence, along East Martis Creek. Comment
  UCD22365  Cardamine breweri Rex Palmer 1979-7-26 N 835 A Placer Headwaters basin area of the North Fork of the American River Comment
  RSA151578  Cardamine breweri Paul A. Mitchell 1960-6-5 118 Placer D. L. Bliss State Park; in small Cr[eek] crossing State Hwy 89 about 0.5 mile N of Entrance Station. 2073 Comment
  UCR224863  Cardamine pensylvanica George K. Helmkamp, E. A. Helmkamp 2010-4-23 15909 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  CAS-BOT-BC18344  Carex Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  UCD43141  Carex angustata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 509 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44672  Carex angustata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2038 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA13669  Carex athrostachya G. F. Hrusa, J. Glazner 1997-8-3 14029 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Moist areas around main, fairly wet meadow. Comment
  CDA15662  Carex athrostachya G. F. Hrusa, J. Glazner 1999-7-18 15204 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD42857  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 224 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC34208  Carex canescens L. S. Smith 1935-7-22 2794 Placer Tulare Forest. South of Soda Springs near [illegible]. 2133 Comment
  CAS-BOT-BC34438  Carex deflexa var. boottii Lewis S. Rose 1944-7-26 44270 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CAS-BOT-BC20168  Carex filifolia var. erostrata Marcus E. Jones 1882-6-18 s.n. Placer Emigrant Gap. Comment
  UC1729962  Carex fissuricola L. P. Janeway, Eric Schroder 1998-9-16 6328 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  CAS-BOT-BC20680  Carex fracta John Thomas Howell 1943-7-27 19774 Placer Lake Tahoe near Tahoe Pines. Comment
  SEINET5786554 Image available Carex geyeri Marcus E. Jones 1882-1 3286 Placer Emigrant Gap Comment
  CAS-BOT-BC20952  Carex heteroneura John H. Thomas; Hazelle A. Thomas 1956-7-21 6174 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CHSC74288  Carex infirminervia Susi Urie 1998-8-13 98 -043 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SEINET10710002  Carex integra Lewis S. Rose 1939-6-5 Rose 39216 Placer Bear Valley, near Emigrant Gamp. 1372 Comment
  UCD42856  Carex lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 223 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCSB63801  Carex lenticularis Janeway, L. 1998-8-6 Placer T14N, R16E, NW 1/4 of NW 1/4 sec. 35; Homewood quad.; north side of Blackwood Creek; 1.7 mi. west of Lake Tahoe 1938 Comment
  POM81703  Carex lenticularis var. lipocarpa Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UC1133401  Carex luzulifolia L. S. Smith 1927-8-12 Placer Squaw Peak and Upper Basin 2438 Comment
  UCD44435  Carex luzulifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1801 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD74078  Carex luzulifolia Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 176 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2192 Comment
  JEPS49033  Carex luzulifolia Leland S. Smith 1927-8-12 2215 Placer E and NE slopes, Squaw Peak and Upper Basin, Tahoe National Forest 2438 Comment
  NY11289  Carex luzulifolia var. strobilantha A. A. Heller 1903-8-17 7187 Placer Above Donner Pass 2286.0 Comment
  UCD43339  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 707 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD74080  Carex microptera Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 180 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Terrain Park' ski run. 2221 Comment
  RSA121768  Carex multicostata N. H. French 1934-6-21 431 Placer Northwest end of Kid Lake. 2012 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
  RSA35109  Carex nebrascensis L. S. Rose 1944-7-25 s.n. Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UCD43276  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 644 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR240966  Carex nebrascensis George K. Helmkamp, E. A. Helmkamp 2012-9-25 19918 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  SD130931  Carex nebrascensis Peter Rubtzoff 1976-9-18 8847 Placer Sierra Nevada; Lake Van Norden; south side; lakeshore. 2063 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
  RSA0089808  Carex nervina Dean Wm. Taylor 2010-8-10 20992 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek. 2508 Comment
  CAS-BOT-BC119587  Carex nudata Rimo Bacigalupi; George Ledyard Stebbins; Daniel Zohary; Juan Hector Hunziker; Alexander D. Hawkes; Friedrich Ehrendorfer; Howard C. Stutz 1952-7-19 3851 Placer Along N Fork of the American River, below Cape Horn sta. on the SP RR, 381 Comment
  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
  SEINET4286151 Image available Carex occidentalis K. Chung, Matson, S 2009-1 1076 Placer Lake Tahoe, north side. Comment
  UCD75692  Carex pachycarpa Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5141 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CHSC74292  Carex pellita Susi Urie 1998-9-1 98 -188 Placer Lake Tahoe Basin Management Unit, National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  SEINET7570890 Image available Carex pellita Unknown 2003-8-23 7968 Placer Homewood 7.5' quad, 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
  UCD43320  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 688 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  CHSC74013  Carex praegracilis Susi Urie 1998-8-18 98 -077 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74014  Carex praegracilis Susi Urie 1998-8-18 98 -075 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS73203  Carex raynoldsii Gladys L. Smith 1972-8-25 3408 Placer e facing slope below Watson Memorial (tr. to Granite Chief) 2529 Comment
  CDA15952  Carex rossii G. F. Hrusa, J. Glazner 1999-7-17 15138 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET7575126 Image available Carex senta Alice Eastwood, John Thomas Howell 1937-5-8 4362 Placer Between Newcastle and Penryn. Comment
  CAS-BOT-BC117526  Carex sheldonii Peter H. Raven 1949-6-28 959 Placer Baxter's 1219 Comment
  CDA13685  Carex simulata G. F. Hrusa, J. Glazner 1997-8-3 14045 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  SEINET4285926 Image available Carex simulata K. Chung, Matson, S 2009-1 1079 Placer Lake Tahoe, north side Comment
  SEINET10751191  Carex simulata John Thomas Howell 1943-7-22 Howell 18696 Placer Summit Valley. Comment
  SEINET10749869  Carex straminiformis A. Arthur Heller 1917-8-14 Heller 12927 Placer Mt. Lincoln south of Summit valley, elevation about 8200 feet on a steep gravelly slope, with a few scattered trees of Hesperopeuce Mertensiana near the crest. Comment
  CAS-BOT-BC116557  Carex subfusca Peter H. Raven 1956-8-4 9983 Placer Moist place, Blue Canyon. 1432 Comment
  UCD149411  Carex subfusca G. Ledyard Stebbins 1976-7-6 7691 Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC116559  Carex subfusca Thomas Morley 1940-10-20 82 Placer SE side of Tinker Knob. 2651 Comment
  CHSC72896  Carex utriculata L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5763 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CHSC74718  Carex utriculata Susi Urie; Eric Schroder 1998-9-11 98 -340 Placer Lake Tahoe Basin Management Unit. Antone Meadows: along Burton Creek, about 2.1 mi northwest of Lake Antone. 2072 Comment
  UCD162540  Carex utriculata Steve Matson 2002-7-14 576 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of Martic Creek; along lookout mountain creek. 1780 Comment
  UCD43779  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-5 1145 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N 2072 Comment
  UCD140949  Carex utriculata L. S. Smith 1916-6-20 642 Placer Lake Tahoe. Sierra Nevada. Comment
  CAS-BOT-BC115055  Carex vesicaria Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-21 1517 Placer Marsh between Sandy Beach and Agate Bay, N end of Lake Tahoe. Comment
  UCD44573  Carex vesicaria C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1939 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC114927  Carex whitneyi John H. Thomas; H. A. Thomas 1956-7-21 6216 Placer Sierra Nevada. Donner Pass, ca 80 mi NE of Sacramento. 2377 Comment
  CAS-BOT-BC114929  Carex whitneyi R. K. Gierisch; D. H. Esplin 1969-7-11 3523 Placer Big Bend, 1828 Comment
  JEPS72455  Cassiope mertensiana subsp. californica Gladys L. Smith 1972-8-25 3438 Placer Below cirque, N face Granite Chief. 2575 Comment
  SEINET12029476  Castanopsis chrysophylla C. F. Sonne 1884-1 s.n. Placer Comment
  SCFS1220  Castilleja E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top Meadow. Comment
  UCD21862  Castilleja Rex Palmer 1979-6-20 N 341 Placer Exact location unknown. Comment
  CHSC9510  Castilleja applegatei subsp. disticha J. F. Goodwin 1971-7-11 162 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  CAS-BOT-BC438833  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
  JEPS8664  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-20 3892 Placer about 2 mi e and below Forest Hill (n side of Middle Fork Canyon (American River), at Volcano Canyon, along oiled road of lumber company); Middle Fork Canyon (American River), Volcano Canyon 762 Comment
  JEPS88828  Castilleja applegatei subsp. pinetorum T. I. and F. M. Chuang 1991-6-29 7840 Placer 3.6 mi sw Iowa Hill (on road to Iowa Hill) Comment
  UC187801  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner Comment
  UC198252  Castilleja applegatei subsp. pinetorum Katharine Brandegee Aug 1917 Placer Donner Summit Comment
  SDSU10858  Castilleja exserta Dr. P. A. Munz 1948-5-20 2083 Placer 457 Comment
  SBBG26850  Castilleja lacera C. L. Hitchcock 1940-5-14 6387 Placer Meier Ranch, ca. 6 mi N of Colfax 762 Comment
  UC41911  Castilleja lacera Mrs. M. M. Hardy 1893-1 Placer Emigrant Gap Comment
  UCD162565  Castilleja lemmonii Steve Matson 2004-8-1 1085 Placer nSNH; Tahoe Basin; Blackwood Canyon (west shore), about 1 mile ESE of Barker Pass. 2377 Comment
  POM284543  Castilleja miniata Lyman Benson 1942-7-2 11263 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UC1713509  Castilleja miniata Katharine Brandegee Placer Cisco Comment
  UC174621  Castilleja miniata A. A. Heller 1909-7-16 9848 Placer Summit 2133 Comment
  UC198559  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  JEPS27221  Castilleja miniata E. R. Blakley 1960-9-2 3803 Placer mouth of Carnelian Creek Carnelian Creek; Lake Tahoe 1905 Comment
  UCR171346  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp 2005-10-1 9985 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
  UCR233395  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18178 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  UCD162555  Castilleja pilosa Steve Matson 1998-6-14 242 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 300 meters north of Highway 267, west of vernal pools in old gravel depression. 1780 Comment
  CHSC40980  Castilleja pruinosa J. D. Jokerst 1984-6-23 2068 Placer Canyon of the Middle Fork Feather River in vicinity of road to the Placer County Power Agency powerhouse. 1158 Comment
  JEPS8663  Castilleja pruinosa Rimo Bacigalupi with G. Ledyard, Stebbins, Alex D. Hawkes, Juan Hunsiker, Daniel Zohary et al. 1952-7-20 3889 Placer ridge between Volcano Creek (Middle Fork American River and) Shirttail Creek (North Fork American River) (along Baker Divide, near junction of road from Iowa Hill Shirttail Creek with. . .); Baker Divide 1188 Comment
  CDA13687  Castilleja tenuis G. F. Hrusa, J. Glazner 1997-8-3 14047 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD162575  Castilleja tenuis Steve Matson 1999-6-28 419 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork at big pine meadow. 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
  CAS-BOT-BC47796  Ceanothus C. H. M. 1911-11-5 s.n. Placer Colfax Comment
  UC1281387  Ceanothus X flexilis G. Townsley, H. E. McMinn 1941-8-23 5367 Placer on road to Dutch Flat 1/8 mi n Mote Vista; n of Mote Vista Comment
  CAS-BOT-BC47862  Ceanothus cordulatus John Thomas Howell 1925-6-14 1152 Placer Lake Tahoe - Emerald Bay Camp 1889 Comment
  CAS-BOT-BC47893  Ceanothus cordulatus E. A. McGregor 1909-8-12 87 Placer Grass Lake 2194 Comment
  CAS-BOT-BC48698  Ceanothus cordulatus Brandegee 1899-7-1 9 Placer Donner Comment
  CAS-BOT-BC48713  Ceanothus cordulatus Brandegee 1889-7-1 9 Placer Donner Comment
  JEPS42224  Ceanothus cordulatus W. L. Jepson 1918-7-30 7725 Placer Tahoe Lake Tahoe 1920 Comment
  SACT002900  Ceanothus cordulatus Michael Baad 1976-7-17 Placer On trail to Five Lakes. 1 mile west of Alpine Meadows Ski Area. Open brushy slopes on granite. 2072.0 Comment
  UCD111394  Ceanothus cordulatus Ted C. MacRae 1995-7-30 62 a Placer Tahoe National Forest, 9 miles south of Serene Lakes on Soda Springs Road. Comment
  UCD143726  Ceanothus cordulatus F. Felix, E. Krimmel 2013-5-26 48 -A Placer North Fork/Chickering American River Reserve. 0.1 mile south of where Onion Creek crosses Cedars Road. Comment
  UCD22206  Ceanothus cordulatus Rex Palmer 1979-6-21 N 398 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA754660  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-4-3 DOB 1077 b Placer North Fork American River Watershet, Forest Hill Divide, near turn-off for Mammoth Bar OHV area, Auburn State Recreation Area, roadside on Old Foresthill Road, 1.8 road miles (2.9 km) NE of intersection with SR 49., 6.1 km 63 degrees true ENE of Auburn. 350 Comment
  UCD123970  Ceanothus cuneatus var. cuneatus D. O. Burge 2009-4-3 1077 c Placer North Fork American River Watershed, Forest Hill Divide, near turn-off for Mammoth Bar OHV Area, Auburn State Recreation Area, roadside on Old Foresthill Road, 1.8 road miles (2.9 km) north-east of intersection with SR 49, 6.1 km 63 deg. (True) ENE of Auburn. 350 Comment
  RSA399058  Ceanothus diversifolius Fay A. MacFadden 1934-3-30 12409 Placer Dutch Flat. Comment
  UCR208585  Ceanothus diversifolius George K. Helmkamp, E. A. Helmkamp 2009-5-11 14654 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  CAS-BOT-BC50853  Ceanothus fresnensis G. L. Stebbins 1969-7-20 6950 Placer On rd. to Robertson Flat, 0.5 miles W. of its junction with road to French Meadows Sec ____. 2133 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
  CAS-BOT-BC50756  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  RSA399911  Ceanothus integerrimus Wm. Martin 1977-9-10 20277 Placer 2 miles S of Ranger Station, Blue Canyon Creek, Tahoe National Forest. Comment
  RSA739715  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12066 Placer Northern Sierra Nevada Mtns.: Sugar Pine Road, 0.2 miles NW of Forest Hill Road 1360 Comment
  RSA782547  Ceanothus integerrimus George K. Helmkamp, Amy Barnes 2009-7-12 15184 Placer Along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  SACT002925  Ceanothus integerrimus Michael Baad 1977-6-1 Placer North of Iowa Hill Ditch 1341.12 Comment
  UC1070714  Ceanothus integerrimus J. E. Sowder, R. W. Lundh 1933-5-15 29 Placer n slope of Colfax Hill Colfax quad. 822 Comment
  UC1602376  Ceanothus integerrimus Katharine Brandegee 1889-7-7 Placer Blue Canyon Comment
  UC338452  Ceanothus integerrimus Lemmon May 1889 Placer Near Blue Canyon Comment
  UC870582  Ceanothus integerrimus C. L. Hitchcock 1940-5-7 6354 Placer ca 1 mi w Baxter 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
  CHSC59592  Ceanothus integerrimus var. californicus Gary H. Bolton 1975-5-24 40 Placer Auburn-Foresthill Road and Spring Garden Road intersection. Comment
  RSA258880  Ceanothus integerrimus var. californicus Thomas W. Nelson, Jane P. Nelson 1974-6-17 1360 Placer Beside Hwy 80 at its jct with Blue Canyon Road, 9 miles W of the Placer - Nevada County line. Comment
  CAS-BOT-BC51041  Ceanothus integerrimus var. macrothyrsus Mrs. Marian Campbell 1920-6-28 s.n. Placer Summit Comment
  POM260024  Ceanothus lemmonii C. L. Hitchcock 1940-5-7 6327 Placer 1 mile west of Baxter. Comment
  UC634625  Ceanothus lemmonii H. L. Mason 1926-5-29 3285 Placer near Alta (Donner Pass) Comment
  UCSB24043  Ceanothus lemmonii McMinn, H. 1931-6-26 Placer 8 mi. S of Grass Valley Comment
  CAS-BOT-BC63398  Ceanothus prostratus Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe. Comment
  UC634807  Ceanothus prostratus Herbert L. Mason 1926-5-29 3289 Placer Donner Pass Road 3 1/10 mi e Crystal Springs; Donner Pass Road, e of Crystal Springs Comment
  UCD112654  Ceanothus prostratus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 11.1 miles northeast of Foresthill. 1463 Comment
  UCD112659  Ceanothus prostratus R. Prag 1973-6-26 s.n. Placer Ward Valley. Comment
  RSA121653  Ceanothus velutinus H. S. Yates 1934-6-30 3958 Placer Carnelian Bay, Truckee, Placer. 1921 Comment
  UC1071486  Ceanothus velutinus R. Wilson 1934-9-19 75 Placer Squaw Creek Tahoe National Forest, Truckee Quadrangle, Squaw Creek Comment
  UC18467  Ceanothus velutinus var. velutinus C. F. Sonne Jul 24 1892-Jul 27 1892 6 Placer fl. woods on Truckee River Sierra Nevada Mountains, fl Truckee River, fr nr Truckee (fr hillside near Truckee) Comment
  CDA32782  Centaurea diffusa Robin Breckenridge 2009-8-18 PDR# 1313573 Placer In the vicinity of Cisco Grove, in eastbound I-80 center divide, near the Cisco Grove exit. 0 Comment
  CDA19809  Centaurea maculosa R. Breckenridge 1998-7-22 PDR 389788 Placer Sierra Nevada; Squaw Valley entrance road, 0.1 mi to tennis court. 0 Comment
  SEINET2441556  Centaurea maculosa George K. Helmkamp, E. A. Helmkamp 2009-8-12 15421 Placer Sierra Nevada Mountains: Forest Hill road, 14.0 miles northeast of the city of Foresthill (Westville 7.5' Q.). 1564 Comment
  CDA7272  Centaurea maculosa T. C. Fuller 1964-9-1 12569 Placer Sierra Nevada; Sierra Nevada. N side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  HSC104176  Centaurea solstitialis G. K. Helmkamp, E. A. Helmkamp 2012-10-13 20020 Placer Sacramento Valley: Granite Bay, Folsom Lake; Park Rd, 1.8 mi. N or the east end of Douglas Blvd. 146 Comment
  SEINET4560835  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-1 17023 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's road, 0.5 mile north of Forest Hill road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UCR231863  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-10-16 17023 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  SEINET5343601 Image available Centaurea solstitialis A. Ashton 1971-10-10 s.n. Placer along banks of the North Fork of the American River at Coloma 305 Comment
  UCD130111  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-28 11177 Placer north side of Hwy 40 freeway to Truckee, 0.5 mile east of Hamshire Rocks. Comment
  SDSU4598  Centromadia fitchii D. F. Howe 1959-8-1 2770 Placer 4 mi. north of Auburn. 457 Comment
  UCD130210  Centromadia pungens R. Tofsrud Date Unknown s.n. Placer County Unknown. Comment
  UCSC000251  Cerastium arvense C. F. Sonne 1886-5-23 s.n. Placer road to Donner Lake Comment
  JEPS51365  Cerastium glomeratum W. L. Jepson 1938-4-5 18581 Placer 2 mi. e. on Placerville rd. Auburn Comment
  CAS-BOT-BC388351  Cerastium glomeratum John Thomas Howell 1943-7-26 18851 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  NY418580  Cerasus kelloggiana M. E. Jones 1882-6-28 2693 Placer Emigrant Gap. Comment
  SBBG29887  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer Meier Ranch, ca. 6 mi N of Colfax 762 Comment
  UCD164624  Cercis occidentalis Brandi Sorensen 1995-5-17 4 Placer .73 kilometers northwest of Colfax. 671 Comment
  UC1613939  Chaenactis douglasii var. douglasii Charles M. Belshaw 1935-6-8 1006 Placer between Colfax & Gold Run (near Baxter's Hotel); w. side Sierra Nevada Comment
  UC472232  Chaenactis douglasii var. douglasii Katharine Brandegee 1908-7-1 Placer summit above Lake Valley Comment
  CAS-BOT-BC277777  Chaenactis nevadensis Carl Purdy 1927-9-1 s.n. Placer Lincoln Pk Comment
  RSA0001017  Chaenactis rubricaulis Harriet Ann Walker 1910-6-22 2170 Placer Deer Park, in the Sierra Nevada 1970 Comment
  CAS-BOT-BC141724  Chamaebatia foliolosa C. L. Hitchcock 1940-5-7 6323 Placer ca. 1 miles west of Baxter Comment
  CHSC75010  Chamaebatia foliolosa Sabbina M. Lau 1989-5-20 13 Placer 20 miles out of Auburn on Foresthill Rd. 1036 Comment
  CHSC75011  Chamaebatia foliolosa Alan B. Chan 1977-5-28 27 Placer Mosquito Ridge Road, 1.6 rd mi. SE of Auburn-Foresthill Road. Comment
  RSA451328  Chamaebatia foliolosa Wm. Martin 1971-9-10 20248 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  RSA647586  Chamaebatia foliolosa N. R. Zabriskie, W. M. Zabriskie 1973-6-7 669 Placer Emigrant Gap. 1616 Comment
  SDSU9003  Chamaebatia foliolosa Sonle 1942-5-27 Placer Colfax. Comment
  UC114137  Chamaebatia foliolosa T. S. Brandegee Sept. 1888 Placer Blue Canyon Comment
  UC12154  Chamaebatia foliolosa Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  RSA90079  Chamaebatia foliolosa Marcus E. Jones 1882-6-28 3297 Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  CDA4783  Chamaesyce nutans T. C. Fuller 1964-9-1 12566 Placer Sierra Nevada; North side of Auburn Avenue at Castle Street, Colfax. Comment
  CHSC81780  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2001-10-10 9347 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
  CHSC97701  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2007-11-13 14593 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  SCFS1143  Chamerion angustifolium E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Heath Falls Trail. Large path where trail heads down to river, between 1st and 2nd creek crossings. Comment
  CAS-BOT-BC166013  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1943-7-25 18803 Placer West side of Donner Pass near Norden 2133 Comment
  CHSC74105  Chamerion angustifolium subsp. circumvagum Susi Urie 1998-8-13 98 -027 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
  SEINET215004  Chamerion angustifolium subsp. circumvagum Richard J. Patterson 1969-7-1 182 -16 Placer South of Interstate 80 along creek parallel to Casa Loma Road Alta. 975 Comment
  CAS-BOT-BC70192  Cheilanthes gracillima John H. Thomas; Hazelle A. Thomas 1956-7-21 6224 Placer Sierra Nevada, Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC70193  Cheilanthes gracillima F. A. MacF. 1934-3-30 12534 Placer Dutch Flat Comment
  CAS-BOT-BC70197  Cheilanthes gracillima Parish 1906-7-15 7143 Placer About Lake Tahoe 2438 Comment
  UCR189632  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2007-7-27 12627 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  CAS-BOT-BC451417  Chimaphila menziesii Belle R. Jackson 1927-6-1 s.n. Placer Dutch Flat Comment
  UCD15605  Chimaphila umbellata Lisa Montany 1985-5-18 22 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  CDA39021  Chondrilla juncea D. G. Kelch 2011-10-2 11 .814 Placer Gold Run rest stop. Comment
  SD143574  Chondrilla juncea R. D. Goeden, D. W. Ricker 1967-6-9 Placer Sierra Nevada foothills, Newcastle, on Interstate 80 southwest of Auburn 249 Comment
  UCD130409  Chondrilla juncea G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11206 Placer Northern Sierra Nevada Mountain. Along connecting road joining Forest Hill Road, with the CA-49 crossing of American River. 396 Comment
  UCD159460  Chondrilla juncea D. S. Park 2010-8-11 214 Placer East of Lincoln. All along Hwy 193. Abundant. 86 Comment
  UCR109650  Chondrilla juncea T. C. Fuller 1967-5-3 15764 Placer Sierra Nevada Foothills, corner of overpass of Interstate 80, Penryn Comment
  CAS-BOT-BC279798  Chondrilla juncea Lillian S. Mott; Phyllis Locker 1965-7-1 6572 Placer East side of a hill overlooking Folsom Lake, at Horseshoe Bar. East of Loomis Comment
  CAS-BOT-BC279800  Chondrilla juncea John Thomas Howell 1966-7-29 42033 Placer 1 mile ne. of Loomis 121 Comment
  SEINET13331370 Image available Chondrilla juncea P. C. Martinelli, A. L. Rivers, R. Uriarte 1965-10-29 s.n. Placer Folsom Lake Comment
  CAS-BOT-BC36355  Chrysolepis sempervirens Frances Price 1919-1-1 s.n. Placer Lake Tahoe Comment
  UCD110125  Chrysolepis sempervirens Beecher Crampton 1972-9-28 8883 Placer ca. 1 mile east of Baxter. Comment
  UCD150765  Chrysolepis sempervirens James A. Neilson Jr. 1970-8-1 1695 Placer Tahoe Basin, SW Tahoe City. 1901 Comment
  UCD21705  Chrysopsis breweri Rex Palmer Date Unknown N 891 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR194971  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2007-10-28 13108 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  CAS-BOT-BC279836  Cichorium intybus Mrs. H. C. Cantelow 1938-7-2 2266 Placer 8 mi. n. of Auburn Comment
  SEINET3149692  Circaea alpina subsp. pacifica H. A. Walker 1905-7-27 1454 Placer near to Iron Spring, Cisco Comment
  CHSC11047  Cirsium andersonii Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  UCD130667  Cirsium occidentale var. venustum D. H. Hartmann 1941-6-8 s.n. Placer near Auburn, along U.S. #40. 914 Comment
  CAS-BOT-BC32805  Cirsium scariosum Alice Eastwood 1909-1-1 183 Placer Lake Tahoe Region. Sunnyside. Comment
  CAS-BOT-BC439026  Cistanthe monosperma A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC162649  Clarkia John Thomas Howell; Gordon H. True 1971-5-26 47625 Placer Northern limits of Lincoln 48 Comment
  UCD104313  Clarkia biloba L. D. Gottlieb 1988-6-29 8837 Placer E of Colfax, on Iowa Hill Road, 1.6 miles E of Canyon Road. Comment
  UCD104314  Clarkia biloba F. A. MacFadden 1934-7-3 s.n. Placer Near Bear River on road from Dutch Flat. Comment
  CHSC98935  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-7 1247 Placer North of Colfax, east side Hwy I-80, south of the Long Ravine railroad trestle. Between I-80 and the frontage road to the east. 658 Comment
  RSA122172  Clarkia biloba subsp. brandegeeae C. R. Clar 1933-5-6 115 Placer Near Newcastle. 183 Comment
  SEINET3860298  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-26 16379 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax.; 0 616 Comment
  UCR233229  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2011-7-9 17689 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  UCD104053  Clarkia dudleyana Julie Combs 1994-5-14 25 Placer 1/2 mile E of Robie St. along hiking trail. 274 Comment
  SCFS5069  Clarkia rhomboidea E. Krimmel 2014-6-26 Placer Sunny, rocky slope Comment
  UC1122445  Clarkia rhomboidea B. Bolt 1934-7-4 76 Placer Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  SEINET10492157  Clarkia unguiculata Tim Holtsford 1992-5-25 Holtsford 920525 -3 Placer Folsom-auburn rd, 2.0 mi s of corner of lincoln and commercial avenue in old Downtown auburn. N-facing roadcut. Comment
  UCD150639  Clarkia xantiana Barbara Rodeheaver 1973-5-27 87 Placer Two miles E intersection Hwy. 49 on Foresthill Rd. 457 Comment
  UC942754  Claytonia parviflora subsp. grandiflora Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4013 Placer s of Auburn (near bridge on Route 49); North Fork American River 213 Comment
  SFV8731  Claytonia perfoliata E. J. McBerty 1961-5-7 25 Placer Sierra Nevada On county road about 1 mile north from Weimar. 640 Comment
  CAS-BOT-BC443633  Claytonia perfoliata subsp. perfoliata Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4014 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  UCD22157  Claytonia rubra subsp. rubra Rex Palmer 1979-6-19 N 215 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  CAS-BOT-BC91459  Clematis lasiantha Ted Niehaus 1959-4-19 76 Placer Side canyon feeding into north fork of American River, 10 miles northwest of Foresthill on Shirttail Road to Colfax. Comment
  UC1751291  Collinsia linearis Mrs. M. M. Hardy 1893-1 Placer Comment
  UC885576  Collinsia parviflora A. A. Heller 1917-6-17 12715 Placer below Cisco (near Yuba River) 1676 Comment
  SD237613  Collinsia tinctoria G. K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer Sierra Nevada Mountains Foothills: juncton of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax (Colfax 7.5'Q) 616 Comment
  UCR250144  Collinsia tinctoria George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20823 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  SEINET8731914 Image available Collinsia torreyi L. S. Rose 1941-1 41320 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  UC614926  Collinsia torreyi var. torreyi Beryl O. Schreiber 1933-7-21 902 Placer near Mount Ellis Trail above Homewood (Lake Tahoe); Lake Tahoe Comment
  UC879748  Collomia grandiflora Lewis S. Rose 1937-7-29 37611 Placer meadows Tahoe Vista 1905 Comment
  CDA11992  Collomia heterophylla G. F. Hrusa 1995-5-2 12173 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UC1123648  Collomia heterophylla N. French 1934-6-15 413 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UCD169963  Collomia linearis S. Boshoven 1983-5-28 15 Placer Mosquito Ridge Road. 3.5 (5.5?) miles E of Forest Hill intersection. Comment
  UCD74240  Collomia tinctoria Jennifer W. Burt 2005-7-13 120 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1980 Comment
  UCD15607  Corallorhiza maculata Lisa Montany 1985-5-18 25 Placer Mosquito Ridge Rd, 18.6 miles west of Forest Hill Rd. Comment
  RSA670125  Cordylanthus mollis subsp. hispidus Robert Holland, Virginia Dains 1982-8-16 1210 Placer About 4 miles NW of Rocklin, headwaters of Pleasant Grove Creek, in Spring Valley. 46 Comment
  UCD123120  Cordylanthus tenuis P. Rodriguez-Rojo; D. Sanchez-Mata 1997-8-8 Placer Tahoe National Forest. Todd Valley-Forest Hill. Forest Hill Rd. 850 Comment
  OBI9584  Cordylanthus tenuis subsp. tenuis Robert F. Hoover 1967-9-5 10828 Placer Carnelian Bay, Lake Tahoe Comment
  SD237614  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2007-6-27 12629 Placer Sierra Nevada Mountains Foothills: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 (Cisco Grove 7.5'Q) 1744 Comment
  UC103431  Cordylanthus tenuis subsp. tenuis C. F. Sonne Aug. 1897 Placer Truckee River Sierra Nevada Mountains Comment
  UCD123128  Cordylanthus tenuis subsp. tenuis P. Rodriguez-Rojo; D. Sanchez-Mata 1997-8-8 s.n. Placer Tahoe National Forest. Todd Valley-Forest Hill. Forest Hill Rd. 850 Comment
  UCR241762  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19799 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
  CAS-BOT-BC287162  Coreopsis stillmanii Volney Rattan 1865-1-1 s.n. Placer Auburn Comment
  CDA19553  Cornus nuttallii M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 227 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
  HSC6412  Cornus nuttallii R. A. Magie 1964-6-12 105 Placer 3 mi. W of Hwy. 40 on Hwy. 20, 100 ft. W of Nevada Co. line. 1768 Comment
  SBBG5320  Cornus nuttallii J. A. Riegel 1954-5-22 48 Placer 5 mi S of Iowa Hill 1371 Comment
  SEINET6744638  Cornus nuttallii Marcus E. Jones 1882-1 3304 Placer Emigrant Gap Comment
  UCD117177  Cornus nuttallii Jay A. Riegel 1954-5-22 48 Placer 5 miles south of Iowa Hill. 1371 Comment
  UCD15007  Cornus nuttallii Jonathan M. Irvine 1977-5-30 701 Placer 14.4 miles east of Forest Hills, along Mosquito Ridge Road; 1011 Comment
  UCD15249  Cornus nuttallii Ted Graber 1984-5-28 13 Placer Along Frontage Road in the town of Baxter. 1158 Comment
  CAS-BOT-BC212143  Cornus sericea Marcus E. Jones 1882-6-28 3289 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC212145  Cornus sericea Carl B. Wolf 1930-10-10 987 Placer 1 mile est of Cisco, Sierra Nevada 1828 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
  UCR170809  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2005-9-30 9934 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  RSA654888  Cornus sessilis G. Fred Hrusa 1995-5-20 12169 Placer Mosquito Ridge Road. 1600 Comment
  POM303027  Cornus stolonifera L. S. Rose 1944-7-22 44215 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  CDA39023  Coronilla varia D. G. Kelch 2011-10-3 11 .818 Placer Tahoe City. Granlibakken Resort. 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
  JEPS86491  Crepis modocensis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6572 Placer ca 5 mi e Donner Lake (e of Tinker Knob); Sherman Chickering's Soda Springs holdings 2621 Comment
  SEINET9356486  Crepis modocensis Unknown 1999-7-17 15120 Placer Placer Comment
  JEPS111180  Cryptantha affinis Steve Matson 2005-6-19 1304 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  SEINET9343024  Cryptantha affinis George Hrusa, Glazner, J. 1999-7-17 15184 c Placer Martis Valley, off Hwy 267, S of Truckee. Abies concolor forest with rock outcrops. Disturbed in some places. More mesic than other areas dominated by Pinus jeffreyi. Occasional in +- formerly disturbed areas. Comment
  UC78514 Image available Cryptantha affinis C. F. Sonne 1886-7-4 Placer Truckee River Sierra Nevada Mountains Comment
  RSA755334  Cryptantha flaccida George K. Helmkamp, E. Helmkamp 2009-4-22 14561 Placer Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UCR208604  Cryptantha flaccida George K. Helmkamp, E. A. Helmkamp 2009-5-7 14613 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCD22120  Cryptantha torreyana Beth Lowe Corbin 1982-8-2 156 Placer Onion Creek Campground. South facing slope. Partial shade. In locally uncommon groups of about 25. In fine, sandy, granitic soil of mixed conifer forest. Annual herb, flowers white. 1841 Comment
  POM120485  Cryptogramma acrostichoides Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  JEPS73125  Cryptogramma acrostichoides Gladys L. Smith 1972-8-25 3434 Placer meadow below n cirque Granite Chief 2575 Comment
  SEINET4064779  Cryptogramma acrostichoides G. B. Grant 2006-1 Placer Collected at Lake Tahoe in the Sierra Nevada Mountains. 1828 Comment
  UCD34171  Cuscuta brachycalyx Beecher Crampton 1977-7-2 9512 Placer 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  CAS-BOT-BC224540  Cuscuta californica Katharine Brandegee 1917-8-1 s.n. Placer Cisco Comment
  CAS-BOT-BC224542  Cuscuta californica John Thomas Howell 1929-10-4 4434 Placer Four miles below Colfax on road to Auburn Comment
  SEINET2442325  Cuscuta californica var. californica George K. Helmkamp, E. A. Helmkamp 2009-8-12 15441 Placer Sierra Nevada Mountains: Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill. 2033 Comment
  UCD21635  Cymopterus terebinthinus Rex Palmer 1979-6-9 N 136 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCD21636  Cymopterus terebinthinus Rex Palmer 1979-5-26 N 23 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD126487  Cymopterus terebinthinus var. californicus Rex Palmer 1979-6-21 N 418 Placer Headwaters basin area of the North Fork of the American River 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
  UCD60072  Cynodon dactylon Beecher Crampton 1965-9-13 7493 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  RSA537487  Cynoglossum grande Barbara Ertter, David M. Thompson 1989-4-9 8176 Placer Shirttail Canyon Road 2.4 miles from Dipper Road, ca 5 air miles NW of Foresthill. 610 Comment
  SACT000856  Cynosurus echinatus D. Meyer 1983-6-5 Placer 982.98 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
  UCR193299  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12185 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  SEINET6627867  Cystopteris fragilis M. J. Williams 1970-6-23 s.n. Placer [Sierra Nevada] Near Cisco Grove 1722 Comment
  SEINET3228410 Image available Cytisus scoparius M. F. Wojciechowski 2002-6-25 1000 Placer Roadside along I-80, collected adjacent to rest area near Dutch Flat/Gold Run exit. 945 Comment
  RSA21165  Damasonium californicum Carl B. Wolf 1937-6-11 8774 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  UC718220  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer 1 mi. n. Lincoln; Sacramento Valley 45 Comment
  SACT000889  Danthonia californica D. Meyer 1984-7-15 Placer Moist mountain meadow. 1909.0 Comment
  UCD22244  Danthonia unispicata Beth Lowe Corbin 1982-8-4 222 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 15% inclination. Uncommon, about 25 individuals. Full sun. Opening in montane chaparral, in rocky, fine, sandy soil. Perennial, forming small bunches. 1950 Comment
  UC147566  Darmera peltata Harriet A. Walker 1908-6-24 1256 Placer Blue Canyon 1432 Comment
  SCFS1193  Dasiphora fruticosa E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Meadow with pines past Bailey, on river trail. Comment
  SEINET6647468  Dasiphora fruticosa P. B. Kennedy, S. B. Doten 1901-8-10 275 Placer Summit of Tinker Knob. 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
  POM270666  Delphinium depauperatum Lyman Benson 1942-7-2 11255 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  SDSU10034  Delphinium depauperatum D. F. Howe 1971-7-2 4763 Placer Hillside by Truckee River. 8.0 miles south of Truckee. 1829 Comment
  SCFS1167  Delphinium glaucum E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  UCD22183  Delphinium glaucum Rex Palmer 1979-7-25 N 673 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC8778  Delphinium gracilentum f. versicolor Lowell Ahart 1962-7-14 s.n. Placer French Meadows 1676 Comment
  UC1125985  Delphinium hansenii subsp. hansenii C. R. Clar 1933-6-21 35 Placer N Fork Dry Creek 457 Comment
  CAS-BOT-BC116088  Delphinium nuttallianum A. A. Heller 1919-7-26 13311 Placer Summit meadows west of Donner Pass. 2072 Comment
  JEPS72341  Delphinium nuttallianum Gladys L. Smith 1972-6-20 3244 Placer steep slope just below Ward Peak Summit 2628 Comment
  POM121520  Delphinium nuttallianum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  UCD22181  Delphinium nuttallianum Rex Palmer 1979-6-20 N 281 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22184  Delphinium nuttallianum Rex Palmer 1979-7-25 N 698 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET5338071  Delphinium sonnei A. A. Heller 1909-7-16 9856 Placer Summit 2134 Comment
  SEINET268904  Delphinium variegatum K. L. Chambers, C. L. Carlbom 1962-4-22 2128 Placer Hwy. 65 between Roseville and Lincoln 1.4 mi north of the railroad overpass north of Roseville. Comment
  CHSC1464  Delphinium variegatum subsp. variegatum 1914-4-1 Placer Near Lincoln. Comment
  RSA258881  Dendromecon rigida Thomas W. Nelson, James Nelson, A. P. Nelson 1974-6-17 1377 Placer Dollar point overlooking Lake Tahoe N of Tahoe City. 1585 Comment
  SEINET5339590  Dendromecon rigida B. Condie 1955-5-14 s.n. Placer Found on roadside out of GoldRun Calif. 1372 Comment
  SACT000905  Deschampsia cespitosa D. Meyer 1983-8-20 Placer Moist roadside meadow with vegetation following residential construction. 2000.0 Comment
  UCD43275  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 643 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET10967711  Deschampsia cespitosa Lewis S. Rose 1946-6-23 Rose 46175 Placer Rainbow, n. of Cisco. 1737 Comment
  UCD21604  Deschampsia cespitosa subsp. cespitosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1269 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
  RSA187451  Deschampsia danthonioides Le Roy Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  SACT000915  Deschampsia danthonioides Michael Baad 1976-6-10 Placer North-facing slope. 1/2 mile along Comment
  UCD62527  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer 2 miles north of Lincoln. Comment
  UCD36665  Deschampsia elongata Beecher Crampton 1955-6-15 2898 Placer Placer County, Shirttail Canyon, 5.5 miles west of Iowa Hill. 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
  UCR249597  Deschampsia elongata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20821 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 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
  UCR270996  Descurainia incana John F. Emmel 2002-6-23 1757 Placer Sierra Nevada Mountains, northern Lake Tahoe region, Middle Martis Creek 2195 Comment
  UCD22366  Descurainia incana subsp. viscosa Rex Palmer 1979-7-12 N 619 Placer Headwaters basin area of the North Fork of the American River Comment
  UC855978  Descurainia incisa subsp. incisa A. A. Heller 1917-8-13 12911 Placer near Summit hotel 2133 Comment
  UCD43031  Descurainia pinnata subsp. intermedia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 400 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  RSA755333  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14568 Placer town of Foresthill, along Forest Hill Road 988 Comment
  UCR115101  Dicentra formosa G. Fred Hrusa 1995-5-20 12165 Placer Sierra Nevada Mtns., Mosquito Ridge Road, c. 5 km beyond crossing of North Fork of Middle Fork of the American River. 700 Comment
  UCR208609  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14664 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  SEINET5340464  Dicentra formosa B. M. Cunningham 1960-4-17 s.n. Placer Monte Viste Inn 1372 Comment
  UCD13326  Dicentra formosa Kristy S. Howard 1989-6-3 200 Placer Highway 174. 609 Comment
  CAS-BOT-BC402584  Dicentra uniflora Elizabeth McClintock; Wayne Roderick 1968-5-17 s.n. Placer Cisco Grove, northern Placer County Comment
  SEINET5339625  Dicentra uniflora P. A. Lehenbauer 1931-4-22 1494 Placer Above Carnelian Bay. Comment
  CHSC24733  Dichelostemma capitatum subsp. capitatum T. C. English 1976-4-11 18 Placer Scattered N. Fork American River 2 mi. W. Hwy 49 bridge, 300 yds. N . Abandoned R. R. 335 Comment
  RSA20900  Dichelostemma capitatum subsp. capitatum Carl B. Wolf 1937-3-30 8363 Placer Sacramento Valley. 2 miles N of Lincoln. 53 Comment
  UCR234214  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17172 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  RSA537649  Dichelostemma capitatum subsp. capitatum Barbara Ertter, David M. Thompson 1989-4-8 8150 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  SEINET8472332  Dichelostemma capitatum subsp. capitatum H. E. Hodge 1956-3-28 s.n. Placer Along W side of Hwy 49, 3 miles N of Auburn. 453 Comment
  UCD139198  Dichelostemma capitatum subsp. capitatum Craig P. Martz 1982-3-26 39 Placer On Clark Tunnel Road, 2.1 miles south of intersection with State Highway 193. 274 Comment
  SBBG57626  Dichelostemma multiflorum M. N. Ackley -Jun-1925 634 Placer Gold Run 983 Comment
  CHSC40988  Diplacus grandiflorus J. D. Jokerst 1984-6-23 2066 Placer Canyon of the Middle Fork American River in vicinity of road accessing the powerhouse site of the Placer Co Power Agency development. 1158 Comment
  CAS-BOT-BC153636  Diplacus jepsonii W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  CAS-BOT-BC153697  Diplacus mephiticus Mrs. Marian Campbell 1920-6-26 s.n. Placer Summit 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
  CAS-BOT-BC257791  Diplacus torreyi George K. Helmkamp; E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  SEINET6744632 Image available Disporum trachyandrum Marcus E. Jones 1882-1 Placer Emigrant Gap Comment
  CAS-BOT-BC208628  Distichlis spicata Beecher Crampton 1957-7-17 3721 Placer Along the railroad, Blue Canyon. 1432 Comment
  UCD54324  Dittrichia graveolens A. M. Shapiro 2005-10-5 s.n. Placer Colfax. 682 Comment
  UCD44445  Dodecatheon alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1811 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA0029341  Dodecatheon alpinum John F. Emmel 1991-7-23 1191 Placer Sierra Nevada, Donner Pass area: seep area on north slope of Mt. Judah, 0.4 air mi west of Donner Peak. 2366 Comment
  SEINET8552906  Dodecatheon alpinum A. Urrutia 1960-3-19 s.n. Placer North Fork American River, Hwy 49, 3 miles S of Auburn. 457 Comment
  RSA20894  Dodecatheon clevelandii subsp. patulum Carl B. Wolf 1937-3-30 8357 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 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
  UCD15166  Dodecatheon hendersonii Phyllis Adams 1982-4-20 10 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 396 Comment
  JEPS108482  Downingia bicornuta var. picta Lisa Schultheis 1995-5-22 167 -95 Placer MacClellan Air Force Basee Lincoln antennae site. N of Sacramento. N of Moore Rd. and W of Dowd Rd. Comment
  OBI20963  Downingia ornatissima Carl B. Wolf 1937-5-12 8615 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  JEPS14462  Downingia ornatissima var. ornatissima Mrs. Ames 1880-5-9 Placer near Roseville Comment
  UC660005  Downingia ornatissima var. ornatissima Lincoln Constance 1941-5-28 2823 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  CAS-BOT-BC41960  Draba albertina C. F. Sonne 1885-7-12 12 Placer Sierra Nevada Mountains. Above Coldstream. 2438 Comment
  CHSC9520  Drymocallis lactea var. austiniae J. F. Goodwin 1971-7-10 152 Placer By creek approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  UC481575  Drymocallis lactea var. austiniae G. W. Fetters 1929-6-14 Placer in sand near lakeshore (Pomin's); Lake Tahoe, Pomin's Comment
  UC570063  Dudleya cymosa G. T. Nordstrom 1934-6-18 107 Placer n slope Texas Hill; Colfax Quadrangle 1584 Comment
  SD257951  Dudleya cymosa Russel Hopper 1975-5-24 54 Placer 1.0 mile east of junction of State Highways 49 and 195 on Highway 49. 669 Comment
  CAS-BOT-BC113793  Dulichium arundinaceum George Ledyard Stebbins 1969-7-20 6946 Placer Sailor Meadow, S of North Fork, American River. Comment
  UCD124141  Dysphania chilensis Ellen Dean; Davis Botanical Society members 2012-10-13 7515 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. Comment
  CDA1629  Egeria densa R. L. Reeves 1977-1-13 Placer Pond at 990 Stonewood Road, Newcastle. 0 Comment
  CAS-BOT-BC113605  Eleocharis acicularis Ira L. Wiggins 1933-8-21 6787 Placer Shores of Lake Tahoe, near Tahoma Comment
  CAS-BOT-BC113431  Eleocharis bella Marcus E. Jones 1882-6-20 2905 Placer Emigrant Gap Comment
  CHSC74019  Eleocharis bella Susi Urie 1998-8-19 98 -083 Placer Lake Tahoe Basin Management Unit. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD44629  Eleocharis macrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1995 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC113160  Eleocharis palustris Stanley Galen [S. Galen] Smith 1949-8-21 1508 Placer Marsh between Sandy Beach and Agate Bay, north end of Lake Tahoe Comment
  POM313072  Eleocharis palustris Malcolm A. Nobs, S. Galen Smith 1949-8-21 1508 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe Comment
  CAS-BOT-BC197351  Elymus W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  SACT001070  Elymus elymoides James Grove 1977-7-15 Placer Slopes of Granite Chief, Emigrant Gap, and Lyon Peak. 609.0 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
  SACT001092  Elymus glaucus D. Meyer 1983-6-5 Placer 982.98 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
  SACT001113  Elymus glaucus Michael Baad 1977-6-3 Placer 0.5 mile west of station, roadside. Serpentine. 1164.0 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
  UCD37043  Elymus glaucus Beecher Crampton 1956-7-17 3724 Placer Placer County, Blue Canyon. 1432 Comment
  SEINET2473480 Image available Elymus glaucus subsp. glaucus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-1 16436 Placer Sierra Nevada Mountains Foothills; Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 410 Comment
  SACT001149  Elymus sierrae James Grove 1977-7-15 Placer 2000.0 Comment
  UCD62736  Elymus trachycaulus subsp. subsecundus R. Tofsrud 1947-7-12 42 Placer Placer County. 1524 Comment
  CAS-BOT-BC204401  Elymus trachycaulus subsp. trachycaulus L. S. Smith 1925-7-15 1686 Placer Tahoe National Forest. French Mdws 1828 Comment
  SEINET203552 Image available Elymus trachycaulus subsp. trachycaulus F. J. Hermann 1955-7-27 11941 Placer Northwest shore of Lake Tahoe Tahoe City 1830 Comment
  UCD44630  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1996 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SACT001154  Elymus triticoides D. Meyer 1983-7-30 Placer Campground along Truckee river. 1853.18 Comment
  CDA18052  Elytrigia repens T. Morgan 1999-7-19 PDR 1223646 Placer 2- 2 ft. x 2 ft. areas growing from old ball and burlaped birches in holding area at Green Thumb Landscaping, 2865 Hillcrest Ave., Tahoe City. 0 Comment
  RSA448471  Epilobium Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  OBI12060  Epilobium brachycarpum Robert F. Hoover 1967-9-5 10845 Placer Carnelian Bay, Lake Tahoe Comment
  UCD105355  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12644 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  SCFS11529140  Epilobium canum subsp. angustifolium E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Dry, rocky slope. Comment
  CAS-BOT-BC171970  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer Base of a cliff north of Summit Hotel 2164 Comment
  CAS-BOT-BC171972  Epilobium canum subsp. latifolium G. W. Dunn 1895-9-1 s.n. Placer Summit Comment
  JEPS14028  Epilobium canum subsp. latifolium Rimo Bacigalupi,with G. L. Stebbins, D. Zohary, J. Hunziker, F. Ehrendorfer, A. Hawkes, & H. Stutz 1952-7-19 3859 Placer rock outcropping just above torrent of main stream (below Cape Horn sta. on S.P.R.R., 1/2 mi above bridge on Colfax-Iowa Hill rd); North Fork of American River 381 Comment
  JEPS72759  Epilobium canum subsp. latifolium Gladys L. Smith 1972-8-25 3443 Placer glacial stairsteps above Squaw Valley (on trail to Granite Chief) 2225 Comment
  UCD21986  Epilobium canum subsp. latifolium Beth Lowe Corbin 1982-8-11 319 Placer 1 2/3 mile SW of Onion Creek campground. 1905 Comment
  JEPS111215  Epilobium ciliatum Steve Matson 2005-7-10 1386 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 300 meters NW of parking area; 39.3021 N, 120.1342 W: elevation 5,840 ft. 1780 Comment
  UCD150698  Epilobium ciliatum subsp. ciliatum James A. Neilson Jr. 1971-8-11 2318 Placer Tahoe Basin, Homewood. 1914 Comment
  UCD44585  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1951 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD44459  Epilobium ciliatum subsp. glandulosum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1825 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC74851  Epilobium hallianum Susi Urie; Eric Schroder 1998-9-10 98 -320 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UC422825  Epilobium hallianum H. M. Hall July 1910 8748 Placer Soda Springs of the Yuba Sierra Nevada Mountains 2042 Comment
  UCR111001  Epilobium oregonense George K. Helmkamp, E. A. Helmkamp 1999-6-30 5107 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UCR171400  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9965 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  UCSC003236  Equisetum hyemale subsp. affine Randall Morgan 2005-5-30 s.n. Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista Comment
  UCSC003237  Equisetum hyemale subsp. affine Unknown 1981-8-21 281 Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista 1890 Comment
  UCD22083  Equisetum laevigatum Beth Lowe Corbin 1982-8-13 349 Placer 1/8 mile SW of Onion Creek Campground, along edge of Onion Creek. 1813 Comment
  UCD169281  Eragrostis Lowell Ahart 2007-11-13 14599 Placer At the north edge of the town of Sheridan. On the west side of Camp Far West Road, east side of a shallow ditch. 35 Comment
  UCD64328  Eragrostis pectinacea var. pectinacea Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  RSA102080  Eremocarpus setiger John H. Redfield 1872-8-7 334 Placer Alta, Sierra Nevada. Comment
  CAS-BOT-BC174287  Eremogone congesta var. suffrutescens Marcus E. Jones 1882-6-28 3278 Placer Emigrant Gap Comment
  CAS-BOT-BC286644  Ericameria bloomeri Lewis S. Rose 1937-7-30 37619 Placer 3 mi. S. of Truckee 1828 Comment
  RSA417737  Erigeron F. G. Mart 1934-07 s.n. Placer Red Mt. Comment
  UC187930  Erigeron barbellulatus C. F. Sonne 1888-7-29 Placer Wards Peak Comment
  UC71911  Erigeron barbellulatus C. J. Fox Jr. 1895-7-1 Placer near Deer Park Inn Comment
  UC197372  Erigeron barbellulatus C. F. Sonne 1886-7-18 Placer Head of Canon on Truckee River Truckee River, Head of Canon Comment
  JEPS41461  Erigeron breweri var. breweri W. L. Jepson 1918-7-30 7722 Placer Lake Tahoe; Tahoe 1920 Comment
  UC1191221  Erigeron coulteri Herbert L. Mason 1939-8-3 12204 Placer n of Lake Tahoe (Squaw Creek Valley); Squaw Creek Valley 1889 Comment
  UC71912  Erigeron coulteri C. J. Fox Jr. 1895-1-1 Placer Deer Park Inn Comment
  UC148948  Erigeron coulteri H. M. Hall 1910-6-25 8723 Placer opposite Cisco (Rattlesnake Creek); Rattlesnake Creek 1828 Comment
  UC398626  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer along streams at Donner Pass (Summit) 2133 Comment
  CAS-BOT-BC296816  Erigeron divergens Geo. B. Grant No date on label. 7069 Placer Tahoe Tavern Comment
  CAS-BOT-BC300671  Erigeron foliosus var. hartwegii Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCD75702  Erigeron glacialis Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5151 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-BC300827  Erigeron glacialis var. glacialis Peter Rubtzoff 1976-9-18 8843 Placer Lake Van Norden 2063 Comment
  OBI16541  Erigeron inornatus Robert F. Hoover 1967-9-5 10831 Placer Carnelian Bay, Lake Tahoe Comment
  CAS-BOT-BC295528  Erigeron miser G. L. Stebbins 1968-8-15 6857 Placer Devil's Peak, southwest of Soda Springs 2286 Comment
  RSA0049720  Erigeron miser Dean Wm. Taylor 2013-8-7 21396 Placer Coldstream Valley, headwaters of Cold Creek, draining the southeast flank of Mt. Judah 1889 Comment
  UC135389  Erigeron pumilus var. intermedius W. D. Bliss Jun 1888 Placer Tahoe Comment
  CAS-BOT-BC216229  Eriodictyon californicum Saichi Kawahara 1969-5-24 834 Placer Cape Horn, overlooking north fork of American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CHSC91621  Eriodictyon californicum M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 251 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  SEINET5495502  Eriodictyon californicum M. J. Williams 1984-6-24 84- 65 -2 Placer 0.3 miles in from HWY 20 on Bowman Lake Rd. 1524 Comment
  SBBG128843  Eriodictyon lobbii G. K. Helmkamp, E. A. Helmkamp 2010-8-14 16801 Placer American Hill Rd, 1.2 mi S of its jct with Foresthill Rd 1567 Comment
  UCD119307  Eriodictyon lobbii Walter H. Johnson 1958-11-14 s.n. Placer Near Blue Canyon on Highway 40. 1584 Comment
  UCD33616  Eriodictyon lobbii Beecher Crampton 1970-11-10 8655 Placer Placer County, Nyack, along Hwy. 80. 1524 Comment
  JEPS111109  Eriogonum incanum Steve Matson 2005-7-30 1420 Placer Squaw Valley ski area, 1 km WSW of High Camp (top of tramway): 39.1937 N, 120.2647 W; elevation 8,100 ft. 2468 Comment
  UC480709  Eriogonum incanum W. C. Blasdale 1923-7-13 Placer top of Ellis Peak Lake Tahoe Region, Ellis Peak Comment
  UCD83637  Eriogonum incanum Albert Grigarick 2009-9-10 190 Placer Squaw Valley Resort, ridge near top of Links chairlift. 2499 Comment
  UCD21612  Eriogonum lobbii E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1280 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. Open W-facing granite slope at tree-line, ascending ridge. 2300 Comment
  SEINET3405037 Image available Eriogonum luteolum var. pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax Comment
  POM165486  Eriogonum marifolium George B. Grant 1906-7-20 s.n. Placer Lake Tahoe, Sierra Nevada Mountains [Placer or El Dorado County]. 1829 Comment
  POM279091B  Eriogonum marifolium Lyman Benson 1933-6-26 4529 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UC1032133  Eriogonum marifolium N. French 1934-5-24 261 Placer N Fork, N Fork American River Tahoe National Forest, Colfax Quadrangle, N Fork, N Fork Ame Comment
  UC77526  Eriogonum marifolium C. F. Sonne 1888-7-1 Placer hills above Bear Valley; Sierra Nevada Mountains 2438 Comment
  CAS-BOT-BC263291  Eriogonum marifolium var. marifolium Alice Eastwood 1909-1-1 300 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC264807  Eriogonum nudum var. deductum J. F. Emmel 1969-7-18 190 Placer Ridge between Mt. Judah and Sugar Bowl near Donner Pass 2225 Comment
  CAS-BOT-BC264811  Eriogonum nudum var. deductum Marcus E. Jones 1882-6-29 3469 Placer Emigrant Gap Comment
  UCR189628  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12636 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  CAS-BOT-BC264809  Eriogonum nudum var. deductum Peter Rubtzoff; Edward W. Colson 1976-7-7 8735 Placer Lake Van Norden, Sierra Nevada 2063 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
  UCR170817  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2005-9-30 9940 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  CAS-BOT-BC269933  Eriogonum spergulinum var. reddingianum A. A. Heller No date on label 12894 Placer Summit Station 2121 Comment
  CAS-BOT-BC269941  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  UC565934  Eriogonum spergulinum var. reddingianum N. French 1934-6-22 474 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  CAS-BOT-BC269935  Eriogonum spergulinum var. reddingianum Peter Rubtzoff; Edward W. Colson 1976-7-7 8736 Placer Lake Van Norden 2063 Comment
  SD86301  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer Along California Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground Comment
  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
  CAS-BOT-BC205643  Eriogonum umbellatum James R. Shevock 1985-8-9 11335 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  CAS-BOT-BC267488  Eriogonum umbellatum L. S. Smith 1926-6-26 1986 Placer Tahoe National Forest. Top of ridge west of Squaw Valley 2499 Comment
  UCD83646  Eriogonum umbellatum Albert Grigarick 2009-9-10 199 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  CHSC108617  Eriogonum umbellatum var. furcosum L. P. Janeway; B. Castro 2011-8-27 10677 Placer Northern High Sierra Nevada. West side of Spaulding Road 35 m north of Hwy 20. 1597 Comment
  CAS-BOT-BC265156  Eriogonum umbellatum var. nevadense A. Roberts 1898-8-1 s.n. Placer Summit Soda Springs, Donner Cr. Comment
  CAS-BOT-BC262227  Eriogonum ursinum David D. Keck 1932-6-30 1576 Placer 1 mile E. of Cisco 1800 Comment
  CAS-BOT-BC262229  Eriogonum ursinum C. F. Sonne 1885-7-12 404 Placer Sierra Nevada Mts. About Coldstream Comment
  JEPS56203  Eriogonum ursinum Leland S. Smith 1914-8-11 Placer near Loch Leven (5 mi n of Cisco) 2133 Comment
  SEINET5440870 Image available Eriogonum wrightii E. Neese 1980-10-15 9984 Placer Nyack Rd exit on I-80. Comment
  CAS-BOT-BC205645  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 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
  CHSC79198  Eriogonum wrightii var. subscaposum Beecher Crampton 1975-10-14 9329 Placer Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  UCD159461  Eriophyllum lanatum D. S. Park 2010-8-11 215 Placer Along Old Auburn Forest Rd. Common. 344 Comment
  UCR194950  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-5-18 12021 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  CAS-BOT-BC308247  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-4 8744 Placer South of snow shed at Cisco 1828 Comment
  CAS-BOT-BC308249  Eriophyllum lanatum var. integrifolium Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Madden Creek, Ellis Peak Ridge, Lake Tahoe Region Comment
  CAS-BOT-BC308251  Eriophyllum lanatum var. integrifolium F. Almeda 1993-7-24 7284 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on th trail to Upper Sheep Valley, Sierra Nevada 2133 Comment
  JEPS59444  Eriophyllum lanatum var. integrifolium Ezra Brainerd and Viola B. Baird 1915-7-7 169 Placer Squaw Valley Sierra Nevada Mts., Squaw Valley Comment
  JEPS72564  Eriophyllum lanatum var. integrifolium Gladys L. Smith 1972-6-20 3231 Placer ridge from chairlift terminus to ultimate summit peak Ward Peak 2632 Comment
  SEINET8566747  Erodium cicutarium C. Aarstad, H. Mozingo 1979-4-1 s.n. Placer 0.5 mile E of junction of old and new Auburn-Forest Hills Road. 792 Comment
  SBBG128087  Eryngium castrense J. Dittes 2003-5-25 2003 -30 Placer ca. 3.3 air-mi S of Lincoln, 0.5 air-mi E of intersection of St Hwy 65 and 12-Bridges Exit 39 Comment
  UCD22367  Erysimum capitatum Beth Lowe Corbin 1982-8-2 161 Placer Onion Creek Campground. S facing slope. Relatively common. Partial sun. In conifer duff over sandy, granitic soil in mixed conifer forest. Biennial herb, with bright yellow flowers and purplish stems. 1841 Comment
  UCR120248  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5034 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  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
  CDA3713  Erysimum cheiri T. Lancefield 1975-4-16 Placer West side of tunnel of Taylor Road, Newcastle. 0 Comment
  JEPS72061  Erysimum perenne Gladys L. Smith 1972-6-20 3210 Placer open plateau about terminus of Summit chairlift; Ward Peak 2621 Comment
  UC480718  Erysimum perenne W. C. Blasdale 1923-7-23 Placer top Lake Tahoe Region, Ellis Peak Comment
  CHSC11052  Erythranthe cardinalis Lowell Ahart 1966-8-12 Placer French Meadows. 1676 Comment
  CAS-BOT-BC505236  Erythronium grandiflorum Elizabeth McClintock; Wayne Roderick 1968-5-17 s. n. Placer Cisco Grove, northern Placer County Comment
  POM260107  Erythronium multiscapideum C. L. Hitchcock 1940-5-7 6310 Placer 1 mile west of Baxter Comment
  RSA537540  Erythronium multiscapideum Barbara Ertter, David Thompson 1989-4-8 8170 Placer Iowa Creek Road ca. 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing 518 Comment
  UC197230  Erythronium multiscapideum C. F. Sonne 1891-4-5 Placer hillside below Bloomer cut; Auburn Comment
  UCD95313  Eschscholzia caespitosa G. K. Helmkamp; Elizabeth Helmkamp 2006-4-13 10198 Placer Northern Sierra Nevada Foothills; Forest Hill Road, 2.5 miles east of its junction with CA Hwy 49. North side of the middle fork of the American River. NE Auburn. 274 Comment
  UCR208603  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14624 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
  RSA523883  Eschscholzia caespitosa subsp. caespitosa Barbara J. Ertter, David Thompson 1989-4-8 8146 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  RSA11787  Eschscholzia lobbii Elmer I. Applegate 1928-4-22 5363 Placer Above Auburn on Grass Valley road Comment
  CAS-BOT-BC310369  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer Summit hotel 2133 Comment
  UCD21707  Eucephalus breweri Rex Palmer 1979-7-25 N 685 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43193  Eucephalus breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 562 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CDA40533  Euphorbia oblongata Ed King 2014-5-1 PDR# 310 P06310011 Placer Auburn State Recreation Area, Russell Road. 0 Comment
  SEINET12142206  Euphorbia serpillifolia L. S. Rose 1938-1 38265 Placer South Fork of Yuba River, 3 mi E of Cisco 1737 Comment
  UCD21697  Eurybia integrifolia Beth Lowe Corbin 1982-8-23 405 Placer 2 miles WSW of The Cedars. In fine, sandy, rocky soil. Open, logged White Fir forest. Rays purple, disc yellow. Mostly sun. North facing slope, 40% incline. Occasional. 1981 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
  JEPS31884  Eurybia integrifolia Rowena Beans 1914-9-7 Placer 6 mi from Tahoe Tavern Comment
  SEINET8687792 Image available Eurybia integrifolia P. B. Kennedy, S. B. Doten 1901-8-19 419 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  SEINET8687803 Image available Eurybia integrifolia P. B. Kennedy, S. B. Doten 1901-8-19 419 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  UC193318  Eurybia radulina C. F. Sonne 1883-9-16 Placer Woods along Truckee River Truckee River Comment
  CAS-BOT-BC312166  Eurybia radulina Leland S. Smith 1926-5-25 s.n. Placer Mosquito Ridge burnt area, Tahoe National Forest Comment
  UCR258181  Euthamia occidentalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20040 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  SACT001172  Festuca ovina D. Meyer 1983-6-25 Placer 1636.0 Comment
  UCR250081  Festuca perennis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20498 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
  CHSC74044  Festuca rubra Susi Urie 1998-8-18 98 -074 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SACT001190  Festuca rubra D. Meyer 1984-7-29 Placer Road south of reservoir moist shady north-facing slope. 1612.0 Comment
  SACT001199  Festuca subulata D. Meyer 1984-6-17 Placer Just south of bridge over American River 545.0 Comment
  UC1132024  Festuca viridula B. Bolt 1934-7-12 106 Placer Snow Mt. Tahoe National Forest, Truckee Quad. 2438 Comment
  UCD43377  Festuca viridula C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 745 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS127415  Floerkea proserpinacoides Steve Matson 2004-7-13 1052 Placer Tahoe Basin west shore; Ward Canyon. Comment
  CAS-BOT-BC447513  Fragaria virginiana var. platypetala anonymous 1906-7-15 s.n. Placer Tahoe Tavern Comment
  CAS-BOT-BC55784  Frangula rubra subsp. rubra John Thomas Howell; Gordon H. True 1968-6-9 44514 Placer Alta 1066 Comment
  LA93377  Fritillaria agrestis Lynn Gould; 1962-3-31 15 Placer 2 mi. W of Roseville on Central Avenue Comment
  RSA21255  Fritillaria agrestis Carl B. Wolf 1937-3-30 8369 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  CAS-BOT-BC504555  Fritillaria atropurpurea Hazelle A. Thomas; John H. Thomas 1956-7-21 6095 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevad 2377 Comment
  CAS-BOT-BC504553  Fritillaria atropurpurea W. R. Dudley 1893-6-20 s.n. Placer Castle Lake Trail, near Lake Tahoe Comment
  UC843909  Fritillaria recurva C. L. Hitchcock 1940-5-7 6308 Placer 1 mi w of Baxter Comment
  UCD22291  Galium aparine Rex Palmer 1979-6-21 N 378 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR250629  Galium aparine George K. Helmkamp, Mary Alice Barnes 2013-5-3 20466 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCD22289  Galium bifolium Rex Palmer 1979-6-20 N 343 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD42915  Galium bifolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 283 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC147594  Galium bolanderi Harriet A. Walker 1908-6-25 1290 Placer Blue Canyon 1432 Comment
  UCD121613  Galium bolanderi G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1311 Comment
  POM67226  Galium californicum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  CDA16818  Galium grayanum subsp. grayanum G. F. Hrusa, J. Glazner 2001-7-15 15957 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  CDA36879  Galium parisiense CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  UCD121868  Galium parisiense B. Crampton 1955-6-15 2917 Placer 8 miles west of Forest Hill. Comment
  CAS-BOT-BC539314  Galium sparsiflorum G. Ledyard Stebbins 1976-7-3 7670 Placer Big Crater [exact location unknown] Comment
  SEINET12562631  Galium trifidum K. Schutz 1972-9-10 s.n. Placer Basin Peak. 2438 Comment
  UCD22293  Galium trifidum subsp. subbiflorum Beth Lowe Corbin 1982-8-9 284 Placer 1/2 mile SW of Onion Creek Campground. 1798 Comment
  CDA25019  Galium trifidum var. pacificum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  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
  SACT001235  Gastridium ventricosum D. Meyer 1984-6-23 Placer And the American River. Rocky riverbank. 352.0 Comment
  POM294351  Gayophytum Lyman Benson 1947-8-12 12795 Placer Near Emigrant Gap, Sierra Nevada mountain range, American River drainage area 1220 Comment
  UCD21987  Gayophytum Rex Palmer 1979-5-27 N 46 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22099  Gayophytum diffusum Rex Palmer 1979-7-25 N 681 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA122209  Gayophytum diffusum subsp. parviflorum B. Bolt 1934-7-17 129 Placer 1/2 mile south of Lost Emigrant Mine. 2073 Comment
  RSA144917  Gayophytum diffusum subsp. parviflorum John H. Thomas, Hazelle A. Thomas 1956-7-21 6114 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2134 Comment
  RSA714091  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9988 Placer Northern Sierra Nevada Mts.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca. 2.2 miles west of CA Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  SD237536  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp, Amy Barnes 2009-7-12 15183 Placer Sierra Nevada Mountains Foothills: along Forestill Road 10.3 miles northeast of the town of Foresthill. 1370 Comment
  UCR189299  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12626 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCD150711  Gayophytum ramosissimum James A. Neilson Jr. 1970-1 1936 Placer Tahoe Basin, Lower Ward Creek. 2011 Comment
  SEINET10880779 Image available Gentiana calycosa William H. Brewer 1864-1 Brewer 2164 Placer Sierra Nevada. 2682 Comment
  JEPS47058  Gentianopsis simplex Rowena Beans 1914-9-7 Placer w. of Tahoe Tavern 2 mi., Lake Tahoe Lake Tahoe Comment
  UC35441  Gentianopsis simplex C. F. Sonne 1885-8-9 Placer meadows along Truckee R. Truckee R. Comment
  CDA36896  Geranium dissectum CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  RSA0028446  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15904 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  RSA0028447  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-12 17258 Placer south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  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
  UCD103424  Geranium molle G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11706 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  SEINET3246026  Geranium pusillum G. K. Helmkamp, E. A. Helmkamp 2007-1 11706 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  JEPS59482  Geranium richardsonii Ezra Brainerd and Viola B. Baird 1915-7-12 228 Placer Donner Lake Sierra Nevada Mountains 1828 Comment
  UCR232649  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2011-9-30 18342 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  SEINET11266062  Gilia leptalea George Helmkamp, E. A. Helmkamp 2011-8-26 18172 Placer Norther Sierra Nevada Mountains: along Forest Hill Road, 0.4 miles of Robinson Flat (Duncan Peak 7.5 Q.); 0 2041 Comment
  UCR242367  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  RSA756924  Gilia tricolor subsp. diffusa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14582 Placer Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  JEPS115006  Glinus lotoides Lowell Ahart 2007-11-13 14594 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan 73 Comment
  CHSC74166  Glyceria elata Susi Urie 1998-8-13 98 -034 Placer Lake Tahoe Basin-National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SACT001252  Glyceria elata Michael Baad 1976-7-21 Placer Lower south west-facing slopes of Lyon Peak, southeast of Soda Springs. 2377.0 Comment
  SACT001266  Glyceria grandis D. Meyer 1984-7-21 Placer East bank of river. Highway 89, 2 km north of Tahoe City 1879.0 Comment
  SACT001274  Glyceria striata D. Meyer Placer No date listed. 1406.0 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
  CHSC68055  Gratiola ebracteata James D. Jokerst; Mary Meyer 1987-4-17 2807 Placer Johnson Ranch N of Douglas Rd. and E of Hwy. 80. Comment
  CAS-BOT-BC110216  Grayia spinosa L. S. Smith 1926-4-21 1785 Placer Tahoe Forest. Spanish Springs Rnage Nev. 1524 Comment
  RSA21276  Grindelia hirsutula var. davyi C. B. Wolf 1937-5-12 8619 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  UCR233276  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2011-7-9 17686 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  SEINET11262438  Grindelia hirsutula var. davyi K. L. Chambers 1982-6-26 4979 Placer Hwy 65, 1.5 miles north of railroad overpass just north of Roseville. On Industrial Way near the railroad tracks.; 0 Comment
  JEPS71663  Hackelia micrantha Gladys L. Smith 1972-6-18 3136 Placer Alpine Meadows 2072 Comment
  UCD22139  Hackelia micrantha Rex Palmer 1979-7-25 N 809 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM308717  Hackelia nervosa Betty J. Jorgensen 1944-6-24 493 Placer Kid Lake about 5 miles SW of Soda Springs. Comment
  UC2042515  Hackelia nervosa Holly Forbes and Barbara Keller 2010-7-13 Placer Tahoe National Forest, at Chalet Road near the intersection of road to parking area and Subway Lift at Alpine Meadows Ski Resort Comment
  UC881561  Hackelia nervosa A. A. Heller 1917-8-14 12935 Placer s of Summit Valley; Mount Lincoln 2438 Comment
  UC112817  Hackelia velutina Katharine Brandegee July 1908 Placer along trail from Emigrant Gap to Blue Canyon Comment
  UC24778  Hackelia velutina Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC306375  Helenium bigelovii Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  JEPS35433  Helenium puberulum W. H. Shockley 1886-6-1 Placer Auburn Comment
  UC80318  Helenium puberulum Brandegee 1889-7-5 Placer Newcastle Comment
  UCD80066  Helianthella californica CNPS SN Foothill Team 2005-4-26 SNFN 0183 c Placer CDPR Auburn State Recreation Area, 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
  UC88866  Helianthella californica subsp. nevadensis unknown 1888-9-1 Placer Blue Canyon Comment
  UC88873  Helianthella californica subsp. nevadensis C. F. Sonne 1897-8-14 Placer above Coldstream Comment
  CAS-BOT-BC305357  Helianthus annuus C. F. Sonne 1887-8-28 s.n. Placer Sierra Nevada Mountains. On Truckee River Comment
  CAS-BOT-BC305509  Helianthus bolanderi Rimo Bacigalupi; G. L. Stebbins; Daniel Zohary; Howard Stutz; Alex D. Hawkes; Juan Hunziker; Fritz Ehrendorfer 1952-7-20 3883 Placer Seven miles east of Iowa Hill 1158 Comment
  CDA17019  Helianthus bolanderi G. F. Hrusa 2002-7-3 s.n. Placer Northern California; Hughes Mill (site). On wet serpentine. 1066 Comment
  CAS-BOT-BC314978  Hemizonella minima H. M. Hall 1910-7-11 8760 Placer Cisco Butte 1981 Comment
  SCFS1189  Hemizonella minima E. Krimmel 2014-4-21 Placer NFAm. Farthest rocky outcrop on Point Mariah Comment
  JEPS14032  Hesperolinon micranthum Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3871 Placer n-facing serpentine slope just s Shirttail Public Camp (about 6 mi e of Iowa Hill); Tahoe Nat. Forest 1097 Comment
  CHSC82577  Heterocodon rariflorum Lowell Ahart 2002-7-22 9883 Placer About 40 yards northwest of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1774 Comment
  UCD149726  Heterocodon rariflorum G. Ledyard Stebbins 1977-7-9 7765 Placer Along trail from McKinistry Lake to Rubicon River. (Exact location unknown. Coordinates estimated by label maker.) 1706 Comment
  UC380603  Heteromeles arbutifolia Marcus E. Jones, A. M. 1882-7-3 Placer Colfax Comment
  UCD35205  Heterotheca grandiflora Beecher Crampton 1953-10-6 1659 Placer 1.5 miles north of Lincoln. Comment
  UC87435  Heterotheca villosa var. minor T. S. Brandegee Jul 1889 Placer Donner Comment
  UC1127197  Heuchera G. T. Nordstrom 1934-6-18 106 Placer n slope of Texas Hill; Tahoe National Forest 1584 Comment
  SEINET8061131 Image available Heuchera micrantha var. erubescens Bif Soper 1983-5-28 15 Placer 13.5 miles from Foresthill on Mosquito Ridge Road. 1067 Comment
  RSA0062977  Heuchera micrantha var. erubescens Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  SEINET215105  Heuchera micrantha var. erubescens R. W. Cooper 1968-5-18 29 Placer American River Cyn 5 mi W of Foresthill Comment
  UCD132316  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR206726  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15202 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CAS-BOT-BC319596  Hieracium albiflorum L. S. Smith 1926-5-23 1827 A Placer Forest Hill Road south of American River, Tahoe Forest 548 Comment
  SEINET11259306 Image available Hieracium albiflorum F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  SEINET11259313 Image available Hieracium albiflorum P. A. Lehenbauer 1933-8-6 s.n. Placer Lake Tahoe near Homewood Comment
  UC464478  Hieracium albiflorum R. M. Holman 1931-8-8 Placer 300 yds w Echo Summit (on Lincoln Hwy above Tahoe); Firs Camp Grounds 2286 Comment
  JEPS7097  Hieracium argutum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, et al. 1952-7-19 3855 Placer along river directly below Cape Horn (1/2 mi upstream from the bridge on the Colfax-Iowa Hill Road); North Fork of the American River 381 Comment
  UCD133107  Hieracium argutum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11207 Placer Northern Sierra Nevada Mountain. Along the road to Clementine Lake, 0.8 mile north of Forest Hill road. 422 Comment
  UCD105891  Hoita orbicularis Richard F. Davis 1953-8-1 s.n. Placer From a meadow near Forest Hills. Comment
  SD44648  Holcus lanatus Darley F. Howe 1951-5-2 2108 Placer Placer Co 456 Comment
  UC1132401  Holcus lanatus N. French 1933-5-5 42 Placer s Newcastle; Sacramento Quadrangle Comment
  UCD84856  Holcus lanatus Beecher Crampton 1961-9-27 6012 Placer 1 mile west of Cisco Grove, along U.S. Highway 40, Yuba River. 1706 Comment
  UCR253122  Holcus lanatus George K. Helmkamp, Amy Barnes 2014-4-23 22817 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
  UCD22265  Holodiscus discolor Beth Lowe Corbin 1982-8-26 424 Placer South side of Crow's Nest. S facing slope, 30% incline. Partial sun. Occasional. In rocky outcrop above red and white fir forest. Shrub 2 1/2 ft tall. Flowers creme white. 2346 Comment
  SCFS871  Holodiscus discolor E. Krimmel, F. Felix 2013-6-2 Placer North Fork American River. Top of Foresthill Rd. Comment
  RSA0005586  Holodiscus discolor var. discolor A. A. Heller 1903-8-12 7160 Placer Donner Pass. 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-BC150148  Holodiscus microphyllus var. microphyllus John Thomas Howell 1943-7-21 18637 Placer Donner Pass to Mt. Lincoln Comment
  UCD43005  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 374 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43920  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1286 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  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
  UCD85461  Hordeum brachyantherum L. S. Smith 1916-7-8 s.n. Placer Squaw Valley. 1828 Comment
  CDA15930  Hordeum brachyantherum subsp. brachyantherum G. F. Hrusa, J. Glazner 1999-7-17 15181 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Few n partially moist site surrounded by open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest. Bunchgrass. 1889 Comment
  SACT001330  Hordeum depressum Josephine Van Ess 1977-4-1 Placer Collected about 2 miles north of the south end of Industrial Ave. Low area next to road. 39.6 Comment
  SACT001339  Hordeum geniculatum D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001340  Hordeum geniculatum D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001349  Hordeum jubatum D. Meyer 1983-7-16 Placer 1853.18 Comment
  CDA36990  Hordeum leporinum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  SACT001372  Hordeum leporinum D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  UCR258540  Hordeum murinum subsp. glaucum George K. Helmkamp, Amy Barnes 2014-3-21 22634 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  RSA122262  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 124 Placer 1/2 mile S of Lost Emigrant Mine. 2073 Comment
  UC860225  Horkelia fusca subsp. parviflora Alice Eastwood Jun 15 1912-Jun 19 1912 454 Placer Deer Park Lake Tahoe Region Comment
  UC329974  Horkelia fusca subsp. parviflora Lemmon May 1889 Placer Tahoe Lake Valley Comment
  UC72985  Horkelia fusca subsp. parviflora Chesnut and Drew 1890-8-7 Placer Cascade Lake Tahoe Comment
  CAS-BOT-BC537859  Horkelia fusca var. parviflora James R. Shevock 1985-8-9 11339 Placer W'tern slope of N'thern Sierra Nevada: Tahoe Nat'l Forest, Granite Chief Wilderness, along trail 16E10 in Picayune Valley 2050 Comment
  OBI20154  Horkelia fusca var. pseudocapitata David J. Keil 1978-7-23 12944 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  CAS-BOT-BC537976  Horkelia tridentata var. tridentata Marcus E. A M Jones 1882-6-27 3291 Placer Emigrant Gap Comment
  SD2573  Hosackia incana C. F. Sonne May 1897 Placer Sierra Nevada Mountains, between Blue Lawn & Jowles (?), along railroad Comment
  UCD106158  Hosackia oblongifolia R. Tofsrud 1951-7-1 s.n. Placer ca. 5 mi. below Soda Springs, Hwy. 40. Comment
  UCD106160  Hosackia oblongifolia R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40, above Baxter 3/4 mile below drinking station. Comment
  JEPS71482  Hydrophyllum capitatum var. alpinum Gladys L. Smith 1972-6-18 3165 Placer Alpine Meadows 2072 Comment
  UC147625  Hydrophyllum occidentale Harriet A. Walker 1908-6-23 1213 Placer Blue Canyon 1432 Comment
  POM86318  Hypericum I. E. Diehl 1902-7-7 50 Placer Colfax Comment
  CAS-BOT-BC400937  Hypericum anagalloides A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end of Summit Valley 2042 Comment
  CAS-BOT-BC400939  Hypericum anagalloides Alice Eastwood 1909-1-1 241 Placer Lake Tahoe Region. Deer Park Comment
  CHSC74224  Hypericum anagalloides Susi Urie 1998-9-4 98 -271 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  SBBG72738  Hypericum anagalloides M. N. Ackley -Jun-1925 379 Placer Summit 2139 Comment
  UCD43910  Hypericum anagalloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1276 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 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
  POM83547  Hypericum androsaemum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  RSA751264  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14033 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UC54890  Hypericum formosum var. scouleri Chesnut and Drew 1899-8-8 Placer Cascade Lake Tahoe Region, Cascade Comment
  UCD35243  Hypericum mutilum subsp. mutilum Beecher Crampton 1952-11-9 925 Placer 6 miles east of Auburn. 457 Comment
  SD50718  Hypericum perforatum Darley F. Howe 1959-8-1 2771 Placer 2.0 miles north of Auburn. 456 Comment
  CAS-BOT-BC401267  Hypericum perforatum T. C. Fuller 1964-6-26 12253 Placer N. side of freeway, Interstate 80, to Donner Summit, 0.2 mi. w. of Gold Run, Sierra Nevada 762 Comment
  CDA5081  Hypericum perforatum T. C. Fuller 1964-6-26 12253 Placer Sierra Nevada; North side of freeway, Interstate 80, to Donner Summit, 0.2 miles west of Gold Run. Comment
  JEPS126290  Hypericum perforatum subsp. perforatum Steve Matson 1998-8-15 378 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; near Highway 28. Comment
  UCD110375  Hypericum perforatum subsp. perforatum G. K. Helmkamp; Elizabeth A. Helmkamp 2006-6-14 10709 Placer Northern Sierra Nevada foothills: 0.2 mile north of Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 488 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
  SEINET3402348  Hypochaeris glabra R. W. Spellenberg, N. Zucker 2011-4-15 14277 Placer NE corner of 7th St, and CA Hwy 65 in Lincoln, ca. 40 air km NE of Sacramento. W edge of graveled Gladden McBean parking lot. 50 Comment
  CAS-BOT-BC312897  Hypochaeris glabra Gordon H. True 1971-4-21 6524 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  CDA32869  Hypochaeris glabra CDFA Staff 1980-1 Placer Auburn: Agricultural Commissioner's Office 0 Comment
  SEINET3163680  Ipomopsis aggregata W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  JEPS124894 Image available Ipomopsis aggregata Laurel Loeblich 1964-7-12 94 Placer 1.9 miles south of Lake Tahoe City of HIghway 89. Comment
  UCD138733  Iris hartwegii subsp. hartwegii G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12046 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCD138734  Iris hartwegii subsp. hartwegii K. O'Keefe 1995-6-4 s.n. Placer along Forest Hill Road, about 4 miles east of Forest Hill (town). Western Sierra foothills. 900 Comment
  UCR137663  Iris hartwegii subsp. hartwegii E. Brenner, J. Hunter 1996-5-26 008 Placer Sierra Nevada Mountains, Tahoe National Forest, along Forest Hill Road at Mosquito Ridge at Volcano Canyon 1870 Comment
  SEINET8752790  Iris macrosiphon S. Eliades 1976-3-20 950 Placer North fork of the American River, 3 miles east of Auburn. Comment
  CAS-BOT-BC88646  Isatis tinctoria B. Crampton 1954-5-11 1900 Placer Roadside, State Highway 49, 3 miles north of Auburn. Comment
  UCD35426  Iva axillaris Beecher Crampton 1956-7-17 3720 Placer Blue Canyon. 1432 Comment
  RSA531314  Ivesia gordonii Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4541 Placer Squaw Valley beyond upper cable car stn. on top of rocky ridge. Comment
  SCFS1041  Ivesia gordonii Unknown 2014-8-7 Placer Treeline cirque Comment
  JEPS44485  Ivesia shockleyi var. shockleyi C. F. Sonne 1897-7-18 Placer Tinker's Knob; Sierra Nevada Mountains Comment
  UC518949  Jensia rammii David D. Keck 1933-5-31 2425 Placer 1.5 mi s Nevada County line ((Bear River) on Grass Valley--Auburn Highway) Comment
  UCD43976  Juncus balticus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1342 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  POM111245  Juncus bufonius Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  CHSC82584  Juncus bufonius var. bufonius Lowell Ahart 2002-7-22 9910 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  JEPS113259  Juncus bufonius var. bufonius Lowell Ahart, Brian Williams 2007-4-13 13657 Placer On damp granite soil, on the bottom and sides of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCD141444  Juncus chlorocephalus L. S. Smith 1915-1 s.n. Placer Squaw Valley. Comment
  UCR257772  Juncus effusus var. gracilis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20033 Placer Sierra Nevada Mountains Foothills, CA-49 at junction with Christian Life Way, c. 2 miles south of Grass Valley 755 Comment
  SEINET2441254  Juncus effusus var. pacificus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15431 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill. (Duncan Peak 7.5' Q.).; 0 1662 Comment
  CDA13671  Juncus ensifolius G. F. Hrusa, J. Glazner 1997-8-3 14031 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC68065  Juncus ensifolius James D. Jokerst 1986-7-12 2694 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
  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
  CHSC82605  Juncus ensifolius Lowell Ahart 2002-7-22 9919 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UCD33724  Juncus ensifolius Beecher Crampton 1972-7-26 8829 Placer Placer County, ca. 3 miles east of Baxter on Hwy. 80. 1524 Comment
  UCR209750  Juncus exiguus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15431 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
Read comments
Mar 31 2011
  UCD42992  Juncus mertensianus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 361 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43984  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1350 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA15929  Juncus orthophyllus G. F. Hrusa, J. Glazner 1999-7-17 15180 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74459  Juncus orthophyllus Susi Urie; Eric Schroder 1998-9-9 98 -310 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
  RSA39974  Juncus orthophyllus J. T. Howell 1943-7-22 18706 Placer Summit Valley. Comment
  UCR179425  Juncus orthophyllus E. Lowe Corbin 1982-8-11 314 Placer Northern Sierra Nevada Mountains, North Fork of the American River, 1.6 mi SW of Onon Creek Campground 1890 Comment
  UC1021594  Juncus oxymeris W. A. Weber and Lewis S. Rose 1953-5-19 8385 Placer 5 mi n Roseville (on road to Lincoln) 45 Comment
  CDA18019  Juncus tenuis D. Mutani 1999-4-23 PDR 1223633 B Placer Sailor-Ravine Rd., Auburn. 0 Comment
  CAS-BOT-BC81151  Juniperus occidentalis Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  UCD43376  Juniperus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 744 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET5334970  Juniperus occidentalis P. A. Lehenbauer 1937-9-19 s.n. Placer on road to Carnelian Bay, 4 miles from Lake Tahoe Comment
  CAS-BOT-BC235568  Keckiella breviflora L. S. Smith 1926-5-23 1830 Placer Tahoe National Forest, American River slopes below Forest Hill 548 Comment
  SCFS5071  Keckiella breviflora E. Krimmel, Faerthen Felix 2014-6-26 Placer North Fork American River Headwaters Basin, NFAm. Heath Falls trail. Comment
  UCR218448  Keckiella breviflora subsp. breviflora George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16421 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  UC1518806  Keckiella lemmonii Fay A. MacFadden 1934-7-2 12570 Placer Alta North Fork of the American River (near Rawhide Mine) Comment
  SEINET2470932  Kelloggia galioides K. Christie 2010-6-30 1873 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  UCD33506  Kochia scoparia Beecher Crampton 1969-10-9 8519 Placer ca. 2 miles east of Old Emigrant Gap post office on Interstate 80. 1584 Comment
  RSA0087952  Kopsiopsis strobilacea William Overton 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
  CAS-BOT-BC340398  Lactuca G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  UCR194707  Lactuca serriola George K. Helmkamp, E. A. Helmkamp 2007-10-28 13106 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  CAS-BOT-BC341359  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  SDSU2756  Lagophylla glandulosa D. F. Howe 1962-8-10 3419 Placer 4 miles north of Auburn. 488 Comment
  JEPS7096  Lagophylla glandulosa Rimo Bacigalupi with G. L. Stebbins, Juan Hunziker, Alex Hawkes, Daniel Zohary, et al 1952-7-19 3848 Placer 1.5 mi n of (and below) Colfax (on the road to Iowa Hill, on grade down into and on the n slope of the North Fork of the American River); North Fork of the American River Comment
  CAS-BOT-BC341563  Lagophylla ramosissima Catherine Best 1984-8-11 1031 Placer South campground, Far West Reservoir 91 Comment
  HSC82242  Lasthenia californica Thomas W. Nelson 1979-4-10 4588 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CAS-BOT-BC213499  Lathyrus jepsonii subsp. californicus Marcus E. Jones 1883-7-1 s.n. Placer Emigrant Gap Comment
  UCR235588  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18930 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  SD241007  Lathyrus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road. 1041 Comment
  UC15345  Lathyrus nevadensis var. nevadensis State Survey 1865-4-13 4629 Placer Forest Hill Comment
  SDSU4205  Lathyrus nevadensis var. nevadensis unknown 1951-5-3 Placer 823 Comment
  SDSU4207  Lathyrus sulphureus D. R. Harvey 1960-5-29 Placer Near Forest Hull. Comment
  UC15356  Lathyrus sulphureus H. N. Bolander 1866-4-11 4537 Placer Banks of American River Auburn Comment
  UC212331  Lathyrus sulphureus unknown May 1892 Placer Auburn Comment
  POM361721  Layia fremontii Mary E. P. Ames 1884-1 s.n. Placer [Unspecified] Comment
  SEINET11447834 Image available Layia platyglossa D. Erskine 1941-4-11 20 Placer 2 miles E of Roseville 76 Comment
  UCR171023  Layia platyglossa George K. Helmkamp, E. A. Helmkamp 2006-2-9 10063 Placer Northern Central Valley, Clark Tunnel Road and Calif. Highway 193, east of Lincoln 113 Comment
  UC570136  Ledum glandulosum N. French 1934-6-21 436 Placer sw side of Pallside Lake Pallside Lake 2011 Comment
  SEINET3838658  Lepidium virginicum D. Bailey, E. Bailey 2009-7-17 289 Placer Tahoe Basin, along the shore of Lake Tahoe, about 0.75 mile from Tahoe City - Tahoe Tavern. 1894 Comment
  UCD115876  Lepidium virginicum Robert E. Preston 1984-6-13 455 Placer On W side of Lake Tahoe, ca. 0.4 km N of Kaspian campground, along the margins of bike trail. 1902 Comment
  CAS-BOT-BC60086  Lepidium virginicum var. menziesii M. S. Jussel 1928-6-25 s.n. Placer Tahoe City. Comment
  CAS-BOT-BC60088  Lepidium virginicum var. menziesii A. A. Heller 1917-8-13 1753 Placer Near Summit hotel. 2133 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
  UCD43133  Lepidium virginicum var. pubescens C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 501 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR229452  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17900 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
  SACT001403  Leptochloa fascicularis Josephine Van Ess 1976-7-28 Placer Coillected about .25 mile west of Country Acres Lane. Wet ditch bank at edge of water. 21.3 Comment
  SD241131  Leptosiphon bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-17 15899 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q). 308 Comment
  POM74004  Leptosiphon ciliatus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD21973  Leptosiphon ciliatus Beth Lowe Corbin 1982-8-4 217 Placer 1/4 mile NW of Onion Creek campground. In fine, sandy soil. Opening in montane chaparral. Flowers light pink with white and yellow throat. Full sun. SW facing slope, 15% incline. Locally abundant. 1950 Comment
  SEINET11990836  Lesquerella occidentalis C. F. Sonne 1885-1 s.n. Placer mt. head of Squaw Valley Comment
  UC10691  Lesquerella occidentalis subsp. occidentalis C. F. Sonne June 1887 Placer Rocky Peak on Truckee River Truckee River; Sierra Nevada Mountains, Rocky Peak on Truckee River Comment
  UCR111000  Lewisia nevadensis George K. Helmkamp, E. A. Helmkamp 1999-6-30 5106 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UCD22149  Lewisia triphylla Rex Palmer 1979-5-27 N 78 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22155  Lewisia triphylla Rex Palmer 1979-6-19 N 214 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC444552  Lewisia triphylla Kellogg 1890-6-23 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  POM101906  Lewisia triphylla Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  RSA123481B  Leymus triticoides H. S. Yates 1934-6-29 3869 Placer Near Brockway; Truckee 1921 Comment
  UCD38667  Leymus triticoides Beecher Crampton 1956-7-17 3725 Placer Blue Canyon. 1432 Comment
  CHSC68040  Ligusticum grayi James D. Jokerst 1986-7-13 2705 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  JEPS72671  Ligusticum grayi Gladys L. Smith 1972-6-18 3139 Placer Alpine Meadows 2072 Comment
  POM132902  Ligusticum grayi Allen M. Carpenter 1892-08 4010 Placer Sierra Nevada Mountains Comment
  UC875078  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer s. of Summit valley Mt. Lincoln 2499 Comment
  UCR218237  Lilium humboldtii subsp. humboldtii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16442 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  CAS-BOT-BC130777  Lilium pardalinum Albert Vollmer 1949-7-6 12 -D Placer Bear Valley Comment
  CAS-BOT-BC130779  Lilium pardalinum A. M. Vollmer; L. Beane 1951-7-1 188 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC508484  Lilium parvum Lewis S. Rose 1944-7-25 44257 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CAS-BOT-BC508491  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 189 Placer Bear Valley, east of Nevada City Comment
  SEINET8480782  Lilium parvum P. A. Lehenbauer 1934-7-8 s.n. Placer Cisco. 1707 Comment
  RSA75614  Lilium washingtonianum Albert M. Vollmer, L. Beane 1951-07 191 Placer Bear Valley, east of Nevada City Comment
  SFV8305  Limnanthes alba S. A. Melugin 1969-4-26 69 Placer Near end of Road 5005. 12 Comment
  UC907583  Limnanthes alba Alice Williams 1946-6-5 2 Placer 1/2 mi e Post Office (on US 40, on bank of brook); Weimar Comment
  SEINET3225174 Image available Limnanthes douglasii Marcus E. Jones 1882-6-28 3285 Placer Emigrant Gap. Comment
  CHSC3882  Limnanthes douglasii subsp. rosea Gary Dutton 1966-3-21 139 Placer Found on Lincoln cut-off to Newcastle. Two miles from Lincoln. Field. Comment
  UC572434  Linanthus ciliatus N. French 1934-6-22 483 Placer 0.5 mi w Lake Van Norden 2133 Comment
  UC880328  Linanthus ciliatus P. A. Lebenbauer 1923-6-10 Placer near Homewood; Lake Tahoe Comment
  JEPS58383  Linanthus dichotomus W. H. Shockley 1880-5-7 Placer near Roseville Comment
  UC59633  Linanthus dichotomus Mrs. M. E. P. Ames Placer Roseville Comment
  UCD21974  Linanthus pungens Beth Lowe Corbin 1982-8-4 234 Placer 1 1/8 miles NNW of Onion Creek campground. 2194 Comment
  CDA6358  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4181 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  CHSC97805  Linaria vulgaris L. P. Janeway; B. Castro 2007-9-28 9211 Placer Northern High Sierra Nevada. Along south bank of Truckee River 0.9 km southwest of the Lake Tahoe dam. 1893 Comment
  UC17252  Linum lewisii C. J. Fox Jr. July, 1895 Placer near Squaw Valley Comment
  SEINET7718436  Linum perenne Unknown Placer Summit Soda Comment
  UC1334177  Lithocarpus densiflorus Thomas Morley 1946-9-28 814 Placer 2.5 mi nne Alta 1249 Comment
  CAS-BOT-BC36161  Lithocarpus densiflorus var. densiflorus C. B. Wolf 1930-10-11 55 Placer 8 miles west of Emigrant Gap on road to Colfax 1371 Comment
  CDA21807  Lithocarpus densiflorus var. echinoides T. C. Fuller 1973-8-23 19984 Placer Sierra Nevada; Parking lot of the Big Trees Grove, 1 mile southwest of Creek Store Guard Station. Comment
  UCR208270  Lithophragma affine George K. Helmkamp, E. A. Helmkamp 2009-5-7 14636 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCD80763  Lithophragma bolanderi CNPS SN Foothill Team 2005-4-11 SNFN 0103 e Placer Placer Legacy, Spear's Ranch, above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  CAS-BOT-BC435607  Lithophragma glabrum A. A. Heller 1917-6-17 12684 Placer Near 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
  UC78968  Lithospermum californicum Katharine Brandegee 1899-7-6 Placer Shady Run Comment
  SACT001439  Lolium multiflorum D. Meyer 1983-5-15 Placer Moist roadside next to cultivated field. 19.812 Comment
  SACT001440  Lolium multiflorum D. Meyer 1983-6-5 Placer along roadside. 487.68 Comment
  UC1132191  Lolium multiflorum N. French 1933-6-5 69 Placer Middle Fork American River; Sacramento Quad., Middle Fork American River Comment
  SACT001449  Lolium perenne D. Meyer 1984-7-29 Placer Road south of reservoir, moist shady north-facing slope. 1612.0 Comment
  SACT001451  Lolium perenne D. Meyer 1983-6-18 Placer Roadside drainage ditch. 412.0 Comment
  SEINET3282812 Image available Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14567 Placer Sierra Nevada Mountains Foothills; Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River. 399 Comment
  UCR207854  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14567 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UCD66657  Lolium temulentum August L. Hormay 1932-5-24 Placer West of Auburn. Comment
  UCSB32284  Lomatium bicolor Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UCSB32283  Lomatium howellii Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UC1562642  Lomatium utriculatum Barbara Ertter with David Thompson 1989-4-8 8149 Placer Iowa Creek Rd. ca. 2 mi. from I-80 near entrance to Auburn State Recreation Area (at creek crossing) 518 Comment
  UCD150860  Lomatium utriculatum Beecher Crampton 1977-4-3 9466 Placer 3.5 miles north of Auburn, just east of Elder's Corner, Dry Creek Road. Comment
  UCR250056  Lomatium utriculatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 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
  SEINET9674900  Lomatium utriculatum C. Lane, H. Mozingo 1979-3-31 s.n. Placer 5.5 miles beyond Jct. of old and new Auburn-Foothill Rd. on old 792 Comment
  UC141208  Lomatogonium rotatum C. F. Sonne Jul 1889 Placer near Tahoe City (Lake Tahoe); Sierra Nevada Mountains Comment
  OBI39839  Lonicera conjugialis Joy H. Nishida 1985-7-10 789 Placer Homewood 1829 Comment
  UCD22156  Lonicera conjugialis Beth Lowe Corbin 1982-8-10 303 Placer 1 1/2 miles WNW of Onion Creek Campground. 1996 Comment
  CAS-BOT-BC240669  Lonicera interrupta Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  UC112832  Lotus grandiflorus var. grandiflorus Katharine Brandegee 1908-6-5 Placer Magra Station Comment
  CDA13720  Lotus grandiflorus var. macranthus G. F. Hrusa, B. Meese 1997-5-26 13790 Placer Sierra Nevada; Italian Bar Trail, to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. Comment
  JEPS83670  Lotus humistratus W. H. Shockley Jun 1886 Placer Auburn Comment
  POM27248  Lotus humistratus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  RSA0039066  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20345 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UC864816  Lotus humistratus C. L. Hitchcock 1940-5-14 6382 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  UC147591  Lotus incanus Miss Harriet A. Walker 1908-6-24 1278 Placer Blue Canyon 1432 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
  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
  UC147593  Lotus oblongifolius var. oblongifolius Harriet A. Walker 1908-6-24 1289 Placer Blue Canyon 1432 Comment
  UCR146866  Lotus oblongifolius var. oblongifolius Beecher Crampton 1972-7-26 8855 Placer Sierra Nevada Mountains, about 1 mile west of Cisco Grove on Interstate 80, [near county line] Yuba River 1677 Comment
  JEPS59490  Lotus oblongifolius var. oblongifolius Ezra Brainerd and Viola B. Baird 1915-7-12 242 Placer n side Donner Lake; Sierra Nevada Mts. 1828 Comment
  UC15725  Lotus oblongifolius var. oblongifolius Mrs. M. M. Hardy 1893-1 Placer Comment
  CDA27308  Lotus purshianus T. C. Fuller 1958-7-7 2001 Placer 2 miles north of Roseville. 0 Comment
  JEPS102594  Lotus purshianus var. purshianus Lowell Ahart 2001-10-10 9346 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
  UC1129011  Lotus purshianus var. purshianus N. French 1933-6-5 62 Placer sw Rattlesnake Bridge Sacramento Quad. 213 Comment
  UCR176249  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2006-8-11 11218 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  SEINET3560056 Image available Lotus stipularis C. L. Hitchcock 1940-5-7 6326 Placer 1 mile west of Baxter Comment
  UCR201931  Lotus uliginosus George 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
  POM27032  Lotus unifoliolatus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  RSA122898  Lotus unifoliolatus B. Bolt 1934-7-20 154 Placer Whiskey Hill. 1646 Comment
  CAS-BOT-BC201251  Lupinus Charles Piper Smith 1932-9-2 4782 Placer Tahoe City, 3 miles south Comment
  UCR194960  Lupinus adsurgens George K. Helmkamp, E. A. Helmkamp 2007-5-18 12008 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SEINET5327610  Lupinus albicaulis A. Allen 1950-5-20 35 Placer 10 miles west of Auburn on Grass Valley road. 488 Comment
  CHSC3450  Lupinus albifrons Judy Potter 1966-4-8 Placer Rattlesnake Bar area, Folsom Lake. Comment
  SEINET5327624  Lupinus albifrons Polkinghorne 1964-3-21 s.n. Placer Near Auburn. 549 Comment
  UCR173275  Lupinus albifrons var. collinus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10439 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
  UCR207853  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14556 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  SBBG3520  Lupinus andersonii E. R. Blakley 1960-9-2 3800 Placer Carnelian Bay, Lake Tahoe 1903 Comment
  UC1129257  Lupinus andersonii G. F. Burks 1934-9-14 42 Placer Truckee River; Tahoe National Forest, Truckee Quadrangle Comment
  UCD106420  Lupinus andersonii A. A. Heller 1919-7-25 13306 Placer near the Yuba river below Cisco. 1676 Comment
  JEPS86490  Lupinus arbustus L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6571 Placer ca 5 mi se Donner Lake (Sherman Chickering's Soda Springs holdings); se of Donner Lake, e of Tinker Knob 2621 Comment
  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
  UCD22081  Lupinus argenteus var. heteranthus Rex Palmer 1979-7-12 N 652 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR224864  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2010-4-23 15908 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
  UC1949024  Lupinus benthamii Barbara Ertter with David Thompson 1989-4-9 8199 Placer Coloma Road E of Auburn Comment
  CDA37252  Lupinus bicolor CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SD241817  Lupinus bicolor G. 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 (Pilot Hill 7.5'Q) 359 Comment
  UCD164623  Lupinus bicolor Brandi Sorensen 1995-5-12 14 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UCR188850  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCR198538  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2008-4-17 13281 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCD83636  Lupinus breweri var. bryoides Albert Grigarick 2009-9-10 189 Placer Squaw Valley Resort, ridge near top of Links chairlift. 2499 Comment
  POM216163  Lupinus densiflorus var. lacteus D. D. Keck 1933-6-1 2433 Placer Loomis, city limits on road to Folsom. Comment
  UC942753  Lupinus latifolius var. columbianus Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4020 Placer near bridge on Rt 49 s Auburn (North Fork American River); North Fork American River 213 Comment
  CDA27453  Lupinus latifolius var. columbianus T. C. Fuller 1983-7-19 20418 Placer South side of Highway 20 to Nevada City, 5 km. west of Interstate 80. 0 Comment
  UC127526  Lupinus latifolius var. columbianus Mrs. M. M. Hardy 1893-1 Placer 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
  UC865253  Lupinus lepidus Marcus E. Jones, A. M. 1882-4-28 3305 Placer Emigrant Gap Comment
  OBI48718  Lupinus lepidus var. confertus Lewis S. Rose 1941-7-23 41356 Placer Chambers Lodge, (McKinney) Lake Tahoe 1920 Comment
  SBBG3583  Lupinus lepidus var. confertus E. R. Blakley 1960-9-2 3801 Placer Carnelian Bay, Lake Tahoe 1903 Comment
  UC127525  Lupinus lepidus var. confertus Miss Harriet A. Walker 1908-7-28 1483 Placer Bank of Yuba River Cisco (Cisco); Bank of Yuba River Comment
  UC865513  Lupinus lepidus var. sellulus Alice Eastwood 1909-1 64 Placer Ward Creek; Lake Tahoe Region, Ward Creek Comment
  UCD43094  Lupinus lepidus var. sellulus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 462 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR171401  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp 2005-9-30 9964 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  SEINET8056248  Lupinus lepidus var. sellulus M. J. Williams 1985-7-6 85- 61 -6 Placer Sierra Nevada, near old Donner Summit, S of Lake Mary 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
  CHSC28599  Lupinus microcarpus var. densiflorus M. S. Taylor; J. T. Howell 1975-5-10 575 Placer Ca. 2 mi s of Auburn on Hwy 49, at bridge over American River, ca. 40 ft e of the bridge on n side of road. 213 Comment
  UC1076232  Lupinus microcarpus var. densiflorus H. L. Mason 1926-5-28 3273 Placer 5 mi above Auburn; above Auburn Comment
  UCR207859  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14562 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
  UCD109016  Lupinus nanus G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10131 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  UCR194968  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11999 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  UCR234213  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17171 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  UCR258987  Lupinus nanus George K. Helmkamp, Amy Barnes 2014-3-21 22626 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  UCD22084  Lupinus polyphyllus Rex Palmer 1979-7-11 N 577 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS127429  Lupinus polyphyllus var. burkei Steve Matson 1998-8-21 386 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; junction of North Ave and west Fork Snow Creek. Comment
  SEINET12164817  Lupinus sellulus J. H. Nishida 1985-1 792 Placer Homewood, Red Fir Forest 1829 Comment
  NY16017  Lupinus silvicola A. A. Heller 1909-7-16 9857 Placer Summit 2133.6 Comment
  CDA12002  Lupinus stiversii G. F. Hrusa 1995-5-2 12183 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  SEINET10490267  Lupinus superbus var. bernardinus L. S. Smith 1938-7-22 Smith s.n. Placer Tahoe National Forest. Squaw Valley. Comment
  SD113429  Lupinus vallicola Darley F. Howe 1948-5-20 1861 Placer 4 miles north of Auburn 456 Comment
  CDA19571  Luzula comosa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 250 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
  SEINET6331925  Luzula comosa J. J. Murray 1965-3-13 s.n. Placer Auburn 549 Comment
  CHSC67716  Luzula comosa var. laxa James D. Jokerst 1986-7-13 2721 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, in Sheet Valley. 2133 Comment
  CHSC74326  Luzula comosa var. laxa Susi Urie; Eric Schroder 1998-9-8 98 -299 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC96780  Luzula comosa var. laxa G. F. Hrusa; A. Juncosa, J. Hunter 1991-7-15 8531 Ab Placer Lake Tahoe. N side of upper Ward Valley, 4 m SW of Tahoe City. 2100 Comment
  JEPS127405  Luzula comosa var. laxa Steve Matson 2006-4-23 1603 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCD44569  Luzula subcongesta C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1935 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS103428  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  POM362222  Madia bolanderi Wm. Martin 1971-9-10 20265 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CAS-BOT-BC342660  Madia citriodora K. Curran 1883-4-1 s.n. Placer Roseville Comment
  JEPS111119  Madia elegans Steve Matson 2005-7-18 1406 Placer Martis Valley, southeast of Truckee, National Recreation Area, west of Highway 267 and Parking Picnic area. 39.3007 N, 120.1368 W; elevation 5845 ft. 1781 Comment
  POM362140  Madia elegans subsp. elegans Wm. Martin 1971-9-10 20202 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  SD237340  Madia elegans subsp. vernalis G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15935 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 156 Comment
  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
  UCR218117  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16399 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 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
  UCR194961  Madia exigua George K. Helmkamp, E. A. Helmkamp 2007-5-18 12007 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CAS-BOT-BC342839  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  POM362230  Madia glomerata Fay A. MacFadden 1934-8-10 12938 Placer Cisco Comment
  UC1076267  Madia glomerata Herbert L. Mason 1932-9-9 7176 Placer Cisco Comment
  CAS-BOT-BC343241  Madia gracilis David D. Keck 1933-5-31 2428 Placer Just south of Auburn, on road to Roseville 305 Comment
  UCD134280  Madia gracilis Eric Brenner; John Hunter 1996-5-26 2 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD134281  Madia gracilis A. S. Crafts 1926-5-1 790 Placer American River Canyon. Comment
  JEPS59498  Madia gracilis Ezra Brainerd and Viola B. Baird 1915-7-23 252 Placer e of Tahoe City (along the shore of Lake Tahoe); Sierra Nevada Mts., Lake Tahoe 1905 Comment
  UCD22056  Maianthemum racemosum Beth Lowe Corbin 1982-8-6 260 Placer 1/8 mile W of Onion Creek Campground. 1844 Comment
  UCD43939  Maianthemum stellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1305 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET12049610  Maianthemum stellatum J. H. Nishida 1985-1 785 Placer Homewood 1829 Comment
  UCR218225  Malacothrix floccifera George K. Helmkamp, E. A. Helmkamp 2010-6-26 16412 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
  SEINET8551086  Marah fabacea B. Eshelman, H. Mozingo et al. 1979-3-31 s.n. Placer Mosquito Ridge road to French Meadows, near junction with North Fork of Middle Fork of American River. 518 Comment
  UCR250066  Marrubium vulgare George K. Helmkamp, Mary Alice Barnes 2013-5-3 20470 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UC50154  Meconella californica H. N. Bolander 1865-4-10 4524 Placer Auburn Comment
  SEINET2441672  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2009-4-22 14558 Placer Sierra Nevada Mountains Foothills: Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River (Auburn 7.5' Q.). 277 Comment
  UCD22010  Medicago sativa Beth Lowe Corbin 1982-8-5 252 Placer Onion Creek campground. In dry, disturbed ground between stream and road. Tall, diffuse perennial herb, 4' high. Flowers dark purple. Full sun. SW facing slope, 5% incline. Uncommon. 1841 Comment
  UCD160961  Melica G. Ledyard Stebbins 1978-5-29 78103 Placer El Dorado National Forest. Little Crater above Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SACT001472  Melica aristata D. Meyer 1983-8-20 Placer To summit of trail at first lake, steep rocky trail with some moist meadow area. 2000.0 Comment
  UC55049  Melica aristata Kellogg Placer Cidco; Sierra Nevada Mtns Comment
  UCD36701  Melica aristata Beecher Crampton 1955-7-13 2983 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCR209745  Melica aristata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15423 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  JEPS75173  Melica bulbosa Gladys L. Smith 1972-6-20 3261 Placer Ward Peak 2590 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
  SACT001501  Melica californica Josephine Van Ess 1978-4-18 Placer Collected on top of ricky hill near Folsom Lake about 1 mile north of twin rocks road and .5 mile east amoung rocks. 170.7 Comment
  CAS-BOT-BC282115  Melica geyeri Marcus E. Jones 1982-6-30 3553 Placer Emigrant Gap Comment
  SACT001522  Melica harfordii D. Meyer 1984-8-17 Placer 667.0 Comment
  SACT001536  Melica torreyana Michael Baad 1983-5-7 Placer 2 miles south of Colfax on Iowa Hill Road; rocky opening; disturbed area; 978.0 Comment
  SACT001538  Melica torreyana Michael Baad 1983-4-17 Placer Descending to Middle-Fork of the American River; serpentine outcrop 411.48 Comment
  OBI48941  Mentzelia dispersa Lewis S. Rose 1938-9-14 38269 Placer Truckee River, 3 mi NW of Tahoe City 1829 Comment
  JEPS42850  Mentzelia laevicaulis var. laevicaulis C. F. Sonne Sept. 1887 Placer near Donner Boom; Truckee Comment
  SCFS1044  Micranthes bryophora E. Krimmel 2014-8-7 Placer high alpine meadow Comment
  UCD102832  Micranthes californica G. L. Stebbins 1970-4-4 6990 Placer Shirttail Canyon, on road from Colfax to Forest Hill, ca. 1/2 mile east of crossing of North Fork American River. 457 Comment
  CAS-BOT-BC348387  Micropus californicus var. californicus David D. Keck 1933-5-31 2429 Placer Just south of Auburn on road to Roseville 305 Comment
  HSC82227  Microseris acuminata Thomas W. Nelson 1979-4-10 4577 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CAS-BOT-BC348682  Microseris acuminata Gordon H. True 1971-4-21 6525 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  UC829637  Microseris nutans Lewis S. Rose 1941-7-12 41306 Placer Chambers Lodge, McKinney Lake Tahoe 1920 Comment
  JEPS59443  Microseris nutans Ezra Brainerd and Viola B. Baird 1915-7-10 166 Placer along road to Deer Park Inn; Sierra Nevada Mts. 1920 Comment
  POM219151  Microseris nutans G. W. Fetters 1929-6-29 s.n. Placer Pomin's, Lake Tahoe Comment
  SEINET11602003 Image available Microseris nutans L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  RSA122922  Microsteris gracilis subsp. gracilis N. H. French 1934-6-22 481 Placer Half mile west of Lake Van Norden. 2134 Comment
  UC193045  Mimulus angustatus C. F. Sonne 1891-6-7 Placer below Gold Run (near R.R.) Comment
  POM5148  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 549 Comment
  RSA791127  Mimulus breweri Rex Palmer 1979-6-20 N- 328 Placer Near Chickerings. Headwaters Basin Area of the north fork of the American River. [Chickerings may refer to Sherman Chickering's Soda Springs holdings 5 mi se of Donner Lake.] Comment
  UC1063530  Mimulus breweri N. French 1934-6-22 443 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle 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
  CDA19554  Mimulus guttatus M. I. Wibawa, G. F. Hrusa (16048), J. Glazner 2002-5-22 218 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
  RSA447928  Mimulus guttatus Fay A. MacFadden 1934-7-10 12774 Placer Canyon Creek. Dutch Flat. Comment
  RSA569047  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD122640  Mimulus guttatus Eric Brenner; John Hunter 1996-5-26 21 Placer Tahoe National Forest Mosquito Ridge Road. 1080 Comment
  UCD162607  Mimulus guttatus Steve Matson 1999-7-28 130 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork bog. 1920 Comment
  SEINET12269869  Mimulus guttatus Unknown 1953-1 s.n. Placer US 50 near Placerville Comment
  UC193603  Mimulus layneae J. W. Congdon 1894-4-3 Placer Auburn Comment
  SCFS1166  Mimulus lewisii E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  UCD21878  Mimulus lewisii Beth Lowe Corbin 1982-8-3 175 Placer Onion Creek campground. 1841 Comment
  CDA41694  Mimulus lewisii Rex Palmer 1979-7-25 N 676 Placer Headwaters Basin Area of the North Fork of the American River. 0 Comment
  SEINET7719539  Mimulus lewisii Unknown 1888-7-16 Placer Summit Comment
  SEINET3159687  Mimulus luteus W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  UC112827  Mimulus microphyllus Katharine Brandegee 1908-6-5 Placer Magra Station Comment
  UC725532  Mimulus microphyllus A. A. Heller 1941-5-10 16120 Placer 1 mi n Lincoln (along U. S. Highway #99E) Comment
  JEPS86482  Mimulus moniliformis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6562 Placer ca. 5 mi se Donner Lake (Sherman Chickering's Soda Springs holdings, on w flank of Tinker Knob) Comment
  UC886300  Mimulus moniliformis Marcus E. Jones, A. M. 1882-7-3 2825 Placer about 1 1/2 mi above and e Dutch Flat (on the Southern (Central) Pacific RR); Alta Comment
  UCR226139  Mimulus moschatus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5142 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  RSA447983  Mimulus moschatus Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  UC112815  Mimulus pilosus Katharine Brandegee July 1908 Placer Cape Horn Comment
  UC128276  Mimulus primuloides Miss Harriet A. Walker 1908-7-27 1463 Placer Cisco 1810 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
  UC41880  Mimulus primuloides Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  UC1063013  Mimulus primuloides subsp. primuloides H. S. Yates 1936-8-9 128 Placer 2 mi sw Martis Pk.; Truckee Quadrangle 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
  JEPS8637  Mimulus pulsiferae Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, D. Zohary, J. Hunziker, F. Ehrendorfer & H. Stutz 1952-7-20 3881 Placer 7 mi e Iowa Hill (tributary of the upper reaches of creek); Tahoe Nat. Forest, Shirttail Creek 1158 Comment
  UC103790  Mimulus tilingii C. F. Sonne 1895-8-1 Placer above Coldstream; Sierra Nevada Mts. 2438 Comment
  UC886398  Mimulus tilingii A. A. Heller 1917-8-13 12918 Placer ridge nw Donner Pass 2377 Comment
  UC193047  Mimulus tilingii C. F. Sonne Jul 25 1895-Aug 1 1895 Placer w slope Washoe Mts. Comment
  JEPS103259  Mimulus torreyi Lowell Ahart 2002-7-22 9904 Placer 50 yards NE of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UCD40954  Mimulus torreyi Cathy Hendel 1973-6-9 132 Placer 6.3 miles on Ice House Road from Hwy 50. Comment
  CAS-BOT-BC174569  Minuartia californica Frank Tweedy s.n. Placer Unspecified Comment
  SCFS5109  Minuartia douglasii F. Felix, Erica Krimmel 2013-5-19 10 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  CAS-BOT-BC432976  Mitella breweri John Thomas Howell 1943-7-21 18644 Placer Donner Pass to Mt. Lincoln Comment
  CHSC81800  Mollugo verticillata Lowell Ahart 2001-10-10 9361 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-BC435044  Mollugo verticillata Catherine Best 1984-8-11 1033 Placer South Campground. Camp Far West Reservoir. 91 Comment
  LA27283  Monardella odoratissima Lewis S. Rose; 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  RSA70488  Monardella odoratissima I. E. Diehl 1902-7-7 52 Placer Colfax. Comment
  CAS-BOT-BC222103  Monardella odoratissima subsp. pallida H. D. Ripley; R. C. Barneby 1948-7-13 98310 Placer Yuba Gap, Placer-Nevada Co. line 1828 Comment
  SEINET3246123  Monardella odoratissima subsp. pallida G. K. Helmkamp, E. A. Helmkamp 2007-1 12642 Placer Northern Sierra Nevada Mountains: Donner Pass Road between Donner and Norden, about 0.2 miles east of the Nevada Co. border. 2150 Comment
  SEINET4691694  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-1 16666 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 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
  SEINET10582103  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 272 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
  SEINET5333350  Monardella odoratissima subsp. pallida H. A. Walker 1908-7-25 1389 Placer Cisco 1811 Comment
  JEPS14352  Monardella villosa subsp. villosa Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, J. Hunziker, F. Ehrendorfer, D. Zohary, H. Stutz 1952-7-20 3878 Placer 6 mi east Iowa Hill (slope just s of Shirttail Public Camp); Tahoe National Forest 1066 Comment
  JEPS126335  Montia chamissoi Steve Matson 1998-6-14 249 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek, Comment
  JEPS30737  Montia chamissoi Miles Eaton 1945-6-13 30 Placer Big Meadows 1615 Comment
  JEPS73658  Montia parvifolia L. R. Heckard with G. L. Stebbins 1973-6-18 3447 Placer about 1/2 mi e of Star Town (13 air mi ne of Foresthill, s side of North Fork of Middle Fork of American River); North Fork of Middle Fork of American River 1310 Comment
  RSA619860  Muhlenbergia filiformis Fay A. MacFadden 1934-8-10 12852 Placer Cisco. Comment
  UCD44571  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1937 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD86596  Muhlenbergia filiformis Beecher Crampton 1955-7-13 2986 Placer Placer County, 3.5 miles east of Baxter, mountain slopes above U.S. Highway 40. Comment
  CHSC68075  Muhlenbergia richardsonis James D. Jokerst 1986-7-12 2690 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
  SACT001604  Muhlenbergia rigens Michael Baad 1983-7-15 Placer 1.8 miles east of junction with road to Brushy Springs. Open rocky slope. 1524.0 Comment
  UCR191056  Muilla maritima George K. Helmkamp, E. A. Helmkamp 2007-5-23 12048 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  JEPS127527  Myosurus apetalus var. montanus Steve Matson 1998-6-6 218 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, south side of Highway 267, under power lines. 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
  SD243158  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16801 Placer Northern Sierra Nevada Mountains: American Hill Road, 1.2 miles south of its junction with Foresthill Road. 1566 Comment
  UC767607  Nama lobbii R. F. Hoover 1938-7-30 3713 Placer betw Cisco and Emigrant Gap; betw Cisco and Emigrant Gap Comment
  UCR231006  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16801 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  CDA15940  Navarretia capillaris G. F. Hrusa, J. Glazner 1999-7-17 15147 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC856864  Navarretia divaricata subsp. vividior Alice Eastwood Jun 20 1912-Jun 22 1912 498 Placer Colfax Comment
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Sep 7 2010
  POM74987  Navarretia filicaulis Anonymous 1882-7-3 3417 Placer Colfax Comment
  SD61093  Navarretia filicaulis Darley F. Howe 1964-7-26 3870 Placer Auburn 366 Comment
  UC126091  Navarretia filicaulis Marcus E. Jones, A. M. 1882-7-3 3417 Placer Colfax Comment
  JEPS70343  Navarretia intertexta W. H. Shockley 1886-6-1 Placer Auburn Comment
  SEINET9367592  Navarretia intertexta Unknown 1999-7-17 15173 Placer Martis Valley Comment
  RSA469428  Navarretia leptalea L. S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  RSA84887  Navarretia leptalea L. S. Rose 1941-7-15 41319 Placer Chambers Lodge (McKinney), Lake Tahoe 1921 Comment
  CHSC79789  Navarretia leptalea subsp. bicolor G. F. Hrusa; J. Glazner 1999-7-18 15224 Placer Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1905 Comment
  UC398627  Navarretia leptalea subsp. leptalea A. A. Heller 1927-8-15 14445 Placer near Yuba River (Cisco); near Yuba River, Cisco Comment
  CHSC83139  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer Sunnybrook Farm (Francheschi); 2 miles north of Lincoln. Vernal pool in pasture. Comment
  UCD21971  Navarretia leucocephala subsp. minima Beth Lowe Corbin 1979-8-3 180 Placer Onion Creek campground. Disturbed ground in open, dry meadow. Small, annual herb with whitish to pale purple flowers. Full sun. Abundant. Southwest facing slope. 1841 Comment
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Sep 17 2015
  SEINET14152008  Navarretia leucocephala subsp. minima F. H. Hillman 1894-9-22 s. n. Placer near Tahoe City Comment
  CDA40115  Navarretia pubescens D. J. Mitani 1974-6-5 s.n. Placer Near Auburn. 0 Comment
  UC880880  Nemophila heterophylla C. L. Hitchcock 1940-5-7 6321 Placer ca 1 mi w Baxter; w of Baxter Comment
  UCD13232  Nemophila heterophylla Harvey Chinn 1975-5-5 63 Placer Placer CO. Tahoe National Forest. Mosquito ridgeRoad, 8.9 miles west-southwest of Placer County Grove of Sierra Redwoods. Elevation 2900 feet. 883 Comment
  UCR253529  Nemophila heterophylla George K. Helmkamp, Amy Barnes 2014-4-23 22793 Placer Sierra Nevada Mountains Foothills, Old Auburn-Foresthill Road, 1.7 miles northeast of its junction with CA-49 at North Fork American River 407 Comment
  JEPS1482  Nemophila menziesii W. H. Shockley 1879-1 Placer Auburn Comment
  UCR194951  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2007-5-18 12029 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  CAS-BOT-BC7235  Nemophila tenera Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  CAS-BOT-BC349912  Nothocalais alpestris L. S. Smith 1928-6-28 2422 Placer Tahoe National Forest. Miller Lake Range 2042 Comment
  UC169244  Oenothera cespitosa subsp. marginata Katharine Brandegee June 1913 2047 K Placer Canyon of the Truckee Comment
  CAS-BOT-BC349975  Oreostemma alpigenum var. andersonii John Thomas Howell 1943-7-19 18590 Placer Summit Valley Comment
  UC469007  Oreostemma alpigenum var. andersonii H. M. Hall 1910-6-28 8725 Placer head of Fordyce Cr. 2103 Comment
  UCD21985  Orobanche californica subsp. grayana Beth Lowe Corbin 1982-8-19 384 Placer 2 miles south of The Cedars. 2118 Comment
  UC57362  Orobanche californica subsp. grayana H. M. Hall and H. P. Chandler July 1903 4551 Placer Sierra Nevada Mountains. Vicinity of Lake Tahoe. Brockway. Comment
  CAS-BOT-BC499822  Orobanche corymbosa subsp. corymbosa C. F. Sonne 1885-8-9 283 Placer Sierra Nevada Mts., on road from Tahoe Comment
  UCD150741  Orobanche uniflora James A. Neilson Jr. 1971-6-30 2162 Placer Tahoe Basin, Lower Ward Creek, Plot # 130. 1935 Comment
  UC634780  Orogenia fusiformis H. L. Mason 1933-5-28 7237 Placer Lower Truckee R. Meadows Comment
  SACT001622  Oryza sativa Josephine Van Ess 1976-9-15 Placer Collected about 1 mile south of nicolaus Road. 30.5 Comment
  SACT001684  Oryzopsis hymenoides Michael Baad 1976-8-25 Placer ridge of east Grouse Canyon 2499.0 Comment
  UCD15633  Osmorhiza berteroi R. B. Kelley 1985-5-12 185 Placer Stevens Trail, at end of North Canyon Rd. Colfax. 0.25 mile NE of trailhead. 670 Comment
  UCSB17656  Osmorhiza brachypoda Hardham, Clare 1961-6-14 Placer Rte. 40 Baxter Comment
  CDA12409  Osmorhiza occidentalis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8537 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD162548  Osmorhiza occidentalis Steve Matson 2006-7-7 1640 Placer nSNH; Tahoe west shore; Ward Creek watershed, near Tahoe City. Near Page Meadows on access road from Chamoix road. 2072 Comment
  UCD75758  Osmorhiza occidentalis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5229 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, along undeveloped road downslope of off-road vehicle location. 2194 Comment
  UC849847  Oxyria digyna A. A. Heller 1917-8-14 12922 Placer near the crest Mt. Lincoln (s of Summit valley); Mt. Lincoln s of Summit valley 2499 Comment
  SEINET208826 Image available Paeonia brownii Edward L. Smith 1967-6-17 sn Placer 1 mile east of Emigrant Gap 1620 Comment
  CDA32586  Panicum acuminatum var. acuminatum G. D. Barbe 1973-7-19 1633 Placer Roadside Rest Area, West-bound Interstate 80, Gold Run. Comment
  UCD36704  Panicum acuminatum var. fasciculatum Beecher Crampton 1955-7-13 2987 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD34185  Panicum dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Applegate. Comment
  UCR146672  Panicum dichotomiflorum subsp. dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Sierra Nevada foothills, Applegate, along road opposite grocery store 610 Comment
  SACT001638  Panicum hillmanii Josephine Van Ess 1976-6-7 Placer Collected about 3/8 mile west from Barton Road. Roadside bank next to irrigated orchard. 103.7 Comment
  SACT001647  Panicum pacificum Michael Baad 1976-8-4 Placer At end of Jeep road, 2 miles east of Talbot Camp Northeast of Mildred Ridge 1975.0 Comment
  SACT001648  Panicum pacificum Michael Baad 1976-8-4 Placer Royal Gorge-Wabena Creek to Wild Cat Canyon Comment
  SACT001653  Panicum pacificum Josephine Van Ess 1980-7-8 Placer Collected at Highway 49 bridge over American River. Wet rocky area. Comment
  UCD88726  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer 1 mile west of Auburn, along U.S. Highway 40. Comment
  UCD88897  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln. Comment
  CAS-BOT-BC258774  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  UCD44479  Pectiantia breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1845 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 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
  UC373264  Pedicularis semibarbata Marcus E. Jones, A. M. Jun 1882 Placer Emigrant Gap Comment
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Sep 7 2010
  SEINET7719334  Pedicularis semibarbata Unknown 1888-6-30 Placer Summit Soda Comment
  UC474211  Pellaea brachyptera Marcus E. Jones, A. M. 1882-5-28 3275 Placer Emigrant Gap Comment
  JEPS35116  Pellaea breweri C. F. Sonne Aug 1887 320 Placer e slope <Mt Andersen> (above Coldstream); Sierra Nevada Mts Comment
  POM120623  Pellaea bridgesii Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  UC614916  Pellaea bridgesii Beryl O. Schreiber 1934-7-4 1184 Placer 6 mi e Lookout Comment
  JEPS8274  Penstemon azureus Rimo Bacigalupi with Aldo Bacigalupi 1952-8-12 3923 Placer 1 1/2 mi w Cisco Grove Lodge (base of granite cliff along U.S.40); w of Cisco Grove Lodge 1676 Comment
  UCR233280  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17683 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road at Foresthill 883 Comment
  RSA285608  Penstemon azureus subsp. azureus D. C. Michener 1981-7-15 4008 Placer Sierra Nevada. Above Hampshire Rocks campground (near Big Bend exit of I-80). Comment
  RSA285685  Penstemon azureus subsp. azureus D. C. Michener 1981-7-16 4010 -C Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  NY571188  Penstemon azureus var. azureus M. E. Jones 1882-7-3 3436 Placer Colfax Comment
  UC128134  Penstemon azureus var. azureus Miss Harriet A. Walker 1908-7-26 1436 Placer Cisco 1828 Comment
  UCD21909  Penstemon deustus Rex Palmer 1979-6-21 N 374 Placer Headwaters basin area of the North Fork of the American River 2194 Comment
  CHSC85478  Penstemon gracilentus G. F. Hrusa; J. Glazner 2000-9-3 15672 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CAS-BOT-BC264484  Penstemon heterodoxus var. heterodoxus John Thomas Howell 1943-7-22 18705 Placer Summit Valley Comment
  UC27423  Penstemon heterodoxus var. heterodoxus C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UCR233369  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  CAS-BOT-BC239283  Penstemon newberryi var. berryi L. S. Smith 1928-6-1 2279 Placer Tahoe National Forest. Above Big Bend R.S. 1798 Comment
  CAS-BOT-BC239285  Penstemon newberryi var. berryi A. A. Heller 1917-6-18 12710 Placer Along the Yuba River below Cisco 1645 Comment
  NY627325  Penstemon newberryi var. newberryi N. H. Holmgren 1966-7-19 2907 Placer Along old US 40, 1.5 miles east of Norden Comment
  JEPS15336  Penstemon roezlii N. French 1934-5-28 372 Placer 1 1/2 mi w Black Mountain; Tahoe National Forest, Colfax Quad., w of Black Mountain 1767 Comment
  JEPS8659  Penstemon roezlii Rimo Bacigalupi 1952-7-20 3887 Placer 6 mi e Iowa Hill (just s of Shirttail Creek, close to headwaters this creek); Tahoe Nat. Forest, close to headwaters Shirttail Creek 1188 Comment
  UC27499  Penstemon roezlii C. J. Fox Jr. July, 1895 Placer near Squaw Peak; near Squaw Peak Comment
  NY651261  Penstemon rydbergii var. oreocharis L. S. Rose 1940-6-2 40460 Placer Truckee River, 10 miles north of Tahoe City 1828.8 Comment
  SD247511  Penstemon speciosus George K. Helmkamp, Elizabeth A. Helmkamp 2012-6-19 19226 Placer Northern Sierra Nevada Mountains: Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road (Duncan Peak 7.5'Q) 1671 Comment
  NY661013  Penstemon speciosus L. D. Benson 1932-7-31 4018 Placer 2 miles N Tahoe Tavern. Truckee River Watershed. Sierra Nevada Mountain Range. 1889.8 Comment
  POM283523  Penstemon speciosus Lyman D. Benson 1932-7-31 4026 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  RSA21570  Penstemon speciosus Carl B. Wolf 1937-9-4 9288 Placer Sierra Nevada, W side of Lake Tahoe, 1 mi N of Chambers Lodge. 1899 Comment
  SCFS1239  Penstemon speciosus E. Krimmel 2013-6-29 Placer North Fork American River, Painted Rock Trail, S. side top meadow Comment
  UCSB32267  Perideridia bolanderi Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CHSC73908  Perideridia lemmonii Susi Urie 1998-9-1 98 -192 Placer Lake Tahoe Basin--National Forest. Below Hwy 28, between the highway and lake Forest Road; about 0.3 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  CDA37229  Petrorhagia prolifera CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD22077  Phacelia Rex Palmer 1979-6-20 N 280 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA15990  Phacelia hastata subsp. hastata G. F. Hrusa, J. Glazner 1999-7-17 15184 e Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 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
  SEINET5764709  Phacelia hastata var. hastata P. A. Lehenbauer 1934-6-10 s.n. Placer Near Homewood, Lake Tahoe Comment
  UC881158  Phacelia humilis Alice Eastwood Jun 15 1912-Jun 19 1912 484 Placer Deer Park Lake Tahoe Region Comment
  UC956796  Phacelia imbricata L. Constance 1951-5-20 3378 Placer on Loomis rd 4.5 mi n Folsom; Sacramento Valley 91 Comment
  UC660091  Phacelia marcescens G. L. Stebbins Jr. 1940-6-9 3036 Placer 1 mi w Cisco; South Fork Yuba River Comment
  JEPS73651  Phacelia marcescens L. R. Heckard with G. L. Stebbins 1973-6-17 3439 Placer about 7 air mi se of Emigrant Gap (on e face of Big Valley Bluff); Big Valley Bluff 1524 Comment
  UC1035539  Phacelia mutabilis Kay H. Beach 1941-8-20 1601 Placer roadside on U.S. 40 about 3 mi e Emigrant Gap; Sierra Nevada Mountains Comment
  UCD22020  Phacelia mutabilis Beth Lowe Corbin 1982-8-2 155 Placer Onion Creek Campground. 1841 Comment
  SEINET5506818  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer Cisco 1804 Comment
  CHSC40966  Phacelia stebbinsii J. D. Jokerst 1984-6-23 2069 Placer Rocky spur ridge adjacent to and south of Big Mosquito Cr. Large population on metamorphic bedrock outcrops and associated talus. 1158 Comment
  CDA38742  Phalaris arundinacea R. Robison 2011-8-19 Placer Tahoe City; Gatekeeper s Museum, adjacent to dam near Truckee River outflow. 0 Comment
  SACT001697  Phalaris arundinacea Michael Baad 1976-6-17 Placer Flood plain of river, Royal Gorge-Wabena Creek to Wild Creek to Wild Cat Canyon. Comment
  SACT001711  Phalaris lemmonii D. Meyer 1983-5-15 Placer Field at Southeast corner. 36.6 Comment
  CAS-BOT-BC77387  Philadelphus lewisii Saichi Kawahara 1969-5-24 835 Placer Cape Horn, overlooking north fork of American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CDA11925  Philadelphus lewisii G. F. Hrusa, J. Dinsdale 1989-5-2 7068 Placer Sierra Nevada; Mosquito Ridge Rd, about 15 miles below Placer Redwood Grove. Comment
  RSA0057763  Philadelphus lewisii Beecher Crampton 1955-6-15 2883 Placer Bunch Canyon, Forest Hill Road, 2.5 miles south of US Hwy. 40. Comment
  SACT001736  Phleum alpinum Michael Baad 1976-8-7 Placer 2072.0 Comment
  SACT001738  Phleum alpinum D. Meyer 1983-9-10 Placer Near parking lot. Moist streambank and meadow. 1879.0 Comment
  UCD43999  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1365 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SACT001746  Phleum pratense D. Meyer 1984-7-21 Placer Moist roadside ditch and pine-wooded area in dense shade. 1927.0 Comment
  SACT001748  Phleum pratense D. Meyer 1984-8-4 Placer Very wet roadside ditch hillside seeping water, shady. 1454.0 Comment
  SACT001753  Phleum pratense D. Meyer 1983-6-18 Placer Roadside drainage ditch. 412.0 Comment
  UCD44700  Phleum pratense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2066 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD89614  Phleum pratense Beecher Crampton 1956-7-17 3728 Placer Blue Canyon. Comment
  UC373151  Phlox gracilis Marcus E. Jones, A. M. 1882-6-23 Placer Emigrant Gap Comment
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Aug 21 2008
  UC880472  Phlox gracilis Lewis S. Rose 1940-6-1 40453 Placer Tahoe City 1889 Comment
  UCD33615  Phoradendron juniperinum Beecher Crampton 1970-11-10 8654 Placer Placer County, Nyack. 1524 Comment
  SEINET12230738  Phoradendron libocedri I. L. Wiggins 1930-1 5084 Placer near Cisco 1981 Comment
  UC21950  Phyllodoce breweri C. F. Sonne July 1887 Placer Sierra Nevada Mountains, Tuckers Knob Tuckers Knob; Sierra Nevada Mountains, Tuckers Knob 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
  CHSC96462  Pilularia americana Lowell Ahart; Brian Williams 2007-4-13 13666 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
  UC139  Pinus albicaulis W. A. Setchell 1901-7-1 Placer Tahoe Comment
  OBI20153  Pinus contorta subsp. murrayana David J. Keil 1978-7-23 12943 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  NY49915  Pinus contorta var. murrayana A. A. Heller 1917-8-13 12883 Placer Summit Valley 2118.4 Comment
  RSA0116435  Pinus contorta var. murrayana Lyman Benson 1932-7-31 4017 Placer Donner Lake, Truckee River Watershed, Sierra Nevada. 1890 Comment
  SEINET5334519  Pinus contorta var. murrayana W. D. Billings 1951-8-21 2153 Placer East side of Granite Chief, Sierra Nevada. 2621 Comment
  UCD133282  Pinus ponderosa Beecher Crampton 1960-11-2 5799 Placer town of Gold Run. 975 Comment
  JEPS24552  Pinus ponderosa M. B. Pratt 1936-3-3 Placer e of Sacramento (on grounds of Weimer Sanitarium); Sierra Nevada, Weimar, Weimer Sanitarium Comment
  SEINET3875087  Pinus sabiniana James K. Detling 1963-4-10 48 Placer 1 mile from Auburn on Highway 49.; 0 381 Comment
  UC338318  Pinus sabiniana unknown Placer Auburn Aubutn Comment
  SEINET5334782  Pinus sabiniana J. W. Vetter 1956-4-7 s.n. Placer On Calif. Highway 49, about 10 miles north of Auburn 610 Comment
  UCD34186  Pistacia atlantica Beecher Crampton 1977-9-30 9532 Placer Placer County, Applegate. Comment
  UCD34187  Pistacia terebinthus Beecher Crampton 1977-9-30 9533 Placer Placer County, Applegate. Comment
  UCR233013  Plagiobothrys George K. Helmkamp, E. A. Helmkamp 2011-5-12 17254 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  HSC82225  Plagiobothrys canescens Thomas W. Nelson 1979-4-10 4575 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CHSC73936  Plagiobothrys cusickii Susi Urie 1998-8-19 98 -086 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SD62098  Plagiobothrys fulvus var. campestris D. F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. 456 Comment
  UC726333  Plagiobothrys greenei A. A. Heller 1940-4-20 15538 Placer along U.S. Highway #99E near Whitney Station s Lincoln Comment
  CAS-BOT-BC230950  Plagiobothrys hispidulus Alice Eastwood 1909-1-1 26 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC230952  Plagiobothrys hispidulus A. A. Heller 1917-8-12 12877 Placer Southern Pacific reservoir W of Emigrant Gap, the flat about the pond Comment
  CHSC82583  Plagiobothrys hispidulus Lowell Ahart 2002-7-22 9881 A Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UC1026510  Plagiobothrys hispidulus Alice Eastwood Jun 15 1912-Jun 19 1912 444 Placer Tahoe City Lake Tahoe Region Comment
  RSA0054888  Plagiobothrys nothofulvus Keith E. Hoffmaster 1941-3-22 1012 Placer A few miles south of Pilot Hill. 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
  UCSB5648  Plagiobothrys stipitatus Constance, Lincoln 1941-5-28 Placer Two miles north of Lincoln, Sacramento Valley 60 Comment
  CAS-BOT-BC516748  Plagiobothrys stipitatus var. micranthus George K. Helmkamp; Amy Barnes 2013-3-28 20282 Placer Eastern Sacramento Valley: along 10th St/Ranch House Rd, 0.6 mi S of its jct with Riosa Road in Sheridan 43 Comment
  RSA0039279  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20282 Placer along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SEINET10844289  Plagiobothrys stipitatus var. micranthus Lowell Ahart, Brian Williams 2007-4-13 Ahart 13638 Placer T13N, R6E, northwest 1/4 Section 34. Small and normal size plants, on damp granite soil, bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. Valley Grassland. 44 Comment
  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
  RSA0067559  Plantago coronopus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18650 Placer along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SD211648  Plantago erecta Barbara Ertter, David Thompson 1989-4-9 8191 Placer Auburn-Forest Hill Road, 6.2 miles southwest of Spring Garden Road junction; ca. 8.0 airmiles northeast of Auburn. 609 Comment
  CAS-BOT-BC516752  Plantago lanceolata George K. Helmkamp; Amy Barnes 2013-3-28 20295 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  UCR249536  Plantago lanceolata George K. Helmkamp, Amy Barnes 2013-3-28 20295 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCD43975  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1341 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 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
  UC197330  Platanthera leucostachys C. F. Sonne Aug 1897 Placer Truckee Sierra Nevada Mountains, Truckee Comment
  CAS-BOT-BC92246  Platystemon californicus Carl B. Wolf 1937-3-30 8352 Placer Sacramento Valley, 1.5 mile east of Lincoln on Penryn Road. 60 Comment
  RSA20889  Platystemon californicus var. californicus Carl B. Wolf 1937-3-30 8352 Placer Sacramento Valley, 1.5 miles east of Lincoln on Penryn Road. 61 Comment
  UCD41268  Plectritis macrocera Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1724 Placer East of Hwy 80 and town of Colfax, western side of canyon of North Fork of the American River. Along Iowa Hill Road, about 1.8 road miles east of intersection with Canyon Way in Colfax. 518 Comment
  UCD161031  Poa G. Ledyard Stebbins 1977-7-1 7736 Placer Above Middle Fork American River near Last Chance. (Exact location unknown. Coordinates estimated by label maker.) 1341 Comment
  UCR270689  Poa John F. Emmel 1998-7-9 1574 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  UCD36144  Poa annua Beecher Crampton 1953-2-11 971 Placer Placer County, 2 miles north of Lincoln, on road to Sunnybrook Farm Hereford Ranch. Comment
  SEINET7709036  Poa annua J. Nachlinger 1984-3-17 909 Placer Middle Fork of American River, on road to Placerville. 457 Comment
  CAS-BOT-BC254755  Poa bolanderi John Thomas Howell 1943-7-22 18711 Placer Summit Valley Comment
  SACT001805  Poa bolanderi D. Meyer 1983-8-20 Placer To summit of first lake, steep ricky trail with some moist meadow areas. 2000.0 Comment
  UCD37041  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Placer County, Blue Canyon. 1432 Comment
  SACT001877  Poa nervosa Michael Baad 1976-7-17 Placer 3.2 km west of Alpine Meadows Ski Area, opening in red fir and lodgepole pine forest. 2133.0 Comment
  SACT001878  Poa nevadensis Michael Baad 1976-6-10 Placer 1.5 miles from French Meadows on trail to Robinson Flat, heavily forested zone with opening, white and red fir with incense cedar. 1612.0 Comment
  CDA24992  Poa palustris J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Moist meadow betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC1153859  Poa palustris Beecher Crampton 1956-7-17 3727 Placer 3/4 mi w Blue Canyon 1432 Comment
  CAS-BOT-BC247374  Poa pratensis Saichi Kawahara 1969-7-6 1418 Placer West of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001919  Poa pratensis D. Meyer 1983-8-7 Placer Near gate into ski area parking lot moist meadow with many sedges. 207.0 Comment
  SACT001925  Poa pratensis D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT001933  Poa pratensis D. Meyer 1984-6-3 Placer Moist shrubby area. 606.0 Comment
  SACT001943  Poa pratensis D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line, roadside wash. 1758.0 Comment
  SACT001958  Poa scabrella Josephine Van Ess 1977-4-13 Placer Collected about .25 mile below dam. Moist roadside bank. Light shade. 103.7 Comment
  SACT001989  Poa scabrella Michael Baad 1977-6-8 Placer 3.2 km northeast of Brushy Springs Station, ridge northeast of center of crater area. Overlooking the south rim of the Middle Fork of the American River. 1219.2 Comment
  SACT001993  Poa scabrella Michael Baad 1977-6-2 Placer White fir, black oak, incense cedar, ponderosa pine and douglas fir forest 853.0 Comment
  RSA126919  Poa secunda N. H. French 1934-6-22 s.n. Placer 7/8 mile W. of Dulzura Lake. 2287 Comment
  UCD22233  Poa secunda subsp. juncifolia Rex Palmer 1979-6-21 N 410 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC236328  Poa secunda subsp. secunda L. S. Smith 1925-5-21 1590 Placer Squaw Valley [Olympic Valley] 1889 Comment
  CAS-BOT-BC242952  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  UC70956  Poa secunda subsp. secunda J. Burtt Davy Jun 25 1897-Jun 30 1897 8209 Placer rd to Tahoe; Truckee River Basin Comment
  UC821093  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  UC821094  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer ridge nw of Donner Pass 2377 Comment
  UCD91625  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer Ridge northwest of Donner Pass. 2377 Comment
  UCD91889  Poa secunda subsp. secunda F. M. Reed; R. L. Pendleton 1907-7-23 1527 Placer Lake Tahoe Region Creek S of Camp Glen Alpine Springs. 2103 Comment
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Jun 21 2012
  JEPS68381  Poa sierrae Leland S. Smith 1926-6-4 1888 Placer Tahoe Forest, Eldorado Canyon Tahoe Forest, Eldorado Canyon 762 Comment
  UCD91593  Poa wheeleri Mrs. H. P. Kelley 1915-6-22 s.n. Placer Squaw Valley. Comment
  UCD91594  Poa wheeleri P. B. Kennedy 1901-7-18 176 Placer near summit of Mt. Lola. Comment
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Jan 6 2015
  UCD44495  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1861 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  POM365426  Polemonium pulcherrimum Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  SEINET4691427  Polygala cornuta George K. Helmkamp, E. A. Helmkamp 2012-1 19216 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  CAS-BOT-BC170306  Polygala cornuta var. cornuta W. R. Dudley 1909-8-1 s.n. Placer Monte Vista, Dutch Flat Comment
  SBBG67658  Polygala cornuta var. cornuta M. N. Ackley -Jun-1925 787 Placer Gold Run 983 Comment
  UC868237  Polygala cornuta var. cornuta Isabel McCracken 1938-7-2 Placer Dutch Flat Comment
  UCR207112  Polygonum bistortoides George K. Helmkamp, E. A. Helmkamp 2009-7-16 15239 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  CAS-BOT-BC109146  Polygonum bolanderi Rimo Bacigalupi 1952-7-19 3853 Placer Into the North Fork of the American River, below Cape Horn, 0.5 mile above bridge on the Colfax-Iowa Hill road. 381 Comment
  RSA531307  Polygonum davisiae Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4548 Placer Squaw Valley beyond upper cable car station Comment
  CAS-BOT-BC414538  Polygonum douglasii R. F. Hoover 1967-9-5 10829 Placer Carnelian Bay, Lake Tahoe Comment
  OBI10858  Polygonum douglasii Robert F. Hoover 1967-9-5 10829 Placer Carnelian bay, Lake Tahoe Comment
  CHSC73066  Polygonum douglasii subsp. douglasii L. P. Janeway 1998-8-6 5986 Placer North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Lake Tahoe Basin Management Unit - National Forest meadow 216, 218, 219, 222. 1938 Comment
  JEPS103426  Polygonum douglasii subsp. douglasii Lowell Ahart 2002-7-22 9897 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC128210  Polygonum douglasii subsp. douglasii Miss Harriet A. Walker 1908-7-26 1441 Placer Cisco 1810 Comment
  CAS-BOT-BC418584  Polygonum minimum A. A. Heller 1919-7-25 13290 Placer Near the Yuba River below Cisco 1676 Comment
  UCD42926  Polygonum minimum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 294 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC147627  Polygonum phytolaccifolium Harriet A. Walker 1908-6-24 1258 Placer Blue Canyon Comment
  UCR194945  Polygonum polygaloides subsp. confertiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12032 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  CAS-BOT-BC419862  Polygonum polygaloides subsp. confertiflorum M. S. Jussel 1928-6-25 s.n. Placer Fish Hatchery Comment
  CAS-BOT-BC420034  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1909-1-1 27 Placer Lake Tahoe Region. Sunnyside Comment
  UC1191257  Polygonum punctatum Malcolm A. Nobs and S. Galen Smith 1949-8-22 1540 Placer Roseville; stream at sw city limits Comment
  JEPS126272  Polygonum ramosissimum subsp. prolificum Steve Matson 2002-7-12 561 Placer Tahoe north shore: Snow Creek Watershed, Tahoe Vista/Kings Beach; on west side off pond near Highway 28. Comment
  UC570037  Polygonum sawatchense subsp. oblivium N. French 1934-6-22 478 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  JEPS72994  Polygonum shastense Gladys L. Smith 1972-8-25 3425 Placer Granite Chief; summit area 2773 Comment
  UC570254  Polygonum shastense N. French 1934-6-22 470 Placer 1/2 mi w Lake van Norden; Tahoe National Forest 2286 Comment
  RSA0039074  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20367 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  UCR173255  Polypodium calirhiza George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10450 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
  UCD80607  Polypogon australis CNPS SN Foothill Team 2006-6-7 SNNR 0893 Placer Private property. 239 Comment
  UC790965  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer near Auburn (bank of branch Rubicon River); bank of branch Rubicon River Comment
  SACT002028  Polypogon maritimus D. Meyer 1984-6-23 Placer Intersection of Iowa Hill Road and the American River, rocky riverbank. 978.0 Comment
  UCD36667  Polypogon maritimus Beecher Crampton 1955-6-15 2901 Placer Placer County, 1.5 miles west of Iowa Hill. 914 Comment
  POM115763  Polypogon monspeliensis Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  UCD91298  Polypogon monspeliensis Beecher Crampton 1958-6-24 4972 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SEINET9365631  Populus balsamifera Unknown 1961-9-27 6016 Placer 1 mi W of Cisco Grove. Banks of a stream. Comment
  UCR146920  Populus balsamifera subsp. trichocarpa Beecher Crampton 1961-9-27 6016 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 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
  RSA3006  Populus tremuloides Carl B. Wolf 1931-9-10 2420 Placer Moist hollow near R.R between Tahoe Tavern and head of Truckee River. 1921 Comment
  OBI20169  Populus trichocarpa David J. Keil 1978-7-23 12934 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  SEINET10460814  Porterella carnosula Follette 1978-7-6 FOLLETTE s.n. Placer Paige Meadows west of Carnelian Bay 1920 Comment
  CHSC74738  Potamogeton gramineus Susi Urie 1998-8-26 98 -107 Placer Lake Tahoe Basin-National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. Large meadow complex. 2121 Comment
  UC66116  Potentilla fruticosa P. B. Kennedy and S. B. Doten 1901-8-10 275 Placer Near summit of Tinkers Knob. Summit of Soda Springs. Comment
  RSA169439  Potentilla glandulosa L. S. Rose 1963-7-11 63212 Placer Tahoma, Lake Tahoe 1916 Comment
  UCR171336  Potentilla glandulosa George K. Helmkamp, E. A. Helmkamp 2005-10-1 9978 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
  CHSC89290  Potentilla glandulosa subsp. reflexa G. F. Hrusa; M. I. Wibawa, J. Glazner 2002-5-22 16022 Placer Sierra Nevada. Hughes Mill (site) above Foresthill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  UCR241737  Potentilla glandulosa subsp. reflexa George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19806 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  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
  JEPS111220  Potentilla gracilis var. elmeri Steve Matson 2005-6-15 1284 Placer Martis Valley, ca 3 miles southeast of Truckee, north of 267, just west of Martis Creek; 39.3030 N, 120.1209 W; Elevation 5840 ft. 1780 Comment
  POM275123  Potentilla gracilis var. elmeri Lyman D. Benson 1942-7-2 11254 a Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CHSC73080  Potentilla gracilis var. fastigiata L. P. Janeway 1998-8-6 5967 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC74256  Potentilla gracilis var. fastigiata Susi Urie 1998-9-3 98 -231 Placer Lake Tahoe Basin. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  SEINET11261737  Potentilla gracilis var. fastigiata George Helmkamp, E. A. Helmkamp 2011-7-26 17895 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, .9 mile north of its junction with CA Hwy 20, .85 mi. NE (231/4) of emigrant Gap and N of I-80 (Blue canyon 7.5' Q); 0 1434 Comment
  SEINET6637126  Potentilla gracilis var. fastigiata F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  UC420574  Potentilla gracilis var. fastigiata C. F. Sonne 1884-8-10 346 Placer Old Camp near Truckee River Comment
  CHSC118021  Poterium sanguisorba G. K Helmkamp; E. A Helmkamp 2007-9-14 12959 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  JEPS13874  Primula suffrutescens C. J. Kraebel 1955-8-19 Placer above Squaw Valley Squaw Mountain (w of the upper Truckee River Canyon); , , w Upper Truckee River Cy 2438 Comment
  CDA6519  Proboscidea lutea J. H. Wilson 1961-8-18 Placer 0 Comment
  CAS-BOT-BC163057  Prunus emarginata A. A. Heller 1917-8-15 12940 Placer Lincoln highway near Yuba Pass 1828 Comment
  RSA1843  Prunus emarginata Carl B. Wolf 1930-10-11 988 Placer 4 miles west of Emigrant Gap 1524 Comment
  UC1128301  Prunus emarginata N. French 1934-5-31 388 Placer 1/2 mi e of Texas Hill (Tahoe National Forest); Tahoe National Forest 1584 Comment
  UCR190847  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2007-5-23 12063 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  UCR209727  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15433 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  UC1585835  Pseudobahia heermannii Barbara Ertter with David Thompson 1989-4-8 8165 Placer ca 2 mi from I-80 near entrance to, at creek crossing Auburn State Recreation Area; Iowa Creek Road Comment
  SD260907  Pseudognaphalium beneolens George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19805 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill (Duncan Peak 7.5'Q) 1677 Comment
  UCR232634  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2010-7-28 16639 Placer Northern Sierra Nevada Mountains, Forest Route 10 (Sugar Pine Rd.), 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34 deg. ) of Foresthill 1311 Comment
  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
  SACT002063  Pseudosasa japonica Josephine Van Ess 1976-9-22 Placer Collected in vicinity of 2120 Bald Hill Road. Wet Roadside ditch. 365.8 Comment
  UC1125784  Pseudostellaria sierrae B. Bolt 1934-7-19 146 Placer 1 mile N of Tadpole Springs 1981 Comment
  UCR232644  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2011-9-30 18346 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  CAS-BOT-BC72534  Pteridium aquilinum John H. Thomas; Hazelle A. Thomas 1956-7-21 6196 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC21686  Pterospora andromedea C. H. Shinn June 1897 Placer near Cisco Comment
  CAS-BOT-BC460479  Pterospora andromedea Elizabeth Parsons Hawver 1911-8-23 s.n. Placer Lake Tahoe Region: Page Meadow woods Comment
  JEPS71933  Purshia tridentata var. tridentata Gladys L. Smith 1972-6-20 3198 Placer Ward Peak; about terminus of Summit chairlift 2621 Comment
  JEPS126345  Pyrola asarifolia subsp. asarifolia Steve Matson 1997-7-1 112 Placer Tahoe north shore; Snow Creek water shed, Tahoe Vista/Kings Beach; West Fork Snow Creek about 300 yards NW of pond. Comment
  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
  SACT002681  Quercus Josephine Van Ess 1979-6-26 Placer Collected down river horse trail from Auburn dam site down to river. Collected about where trail begins to head down from top of river bluffs. Among other oaks, some open grassy areas. Comment
  CDA20384  Quercus berberidifolia P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  CAS-BOT-BC62473  Quercus chrysolepis W. R. Dudley 1909-7-22 s.n. Placer Lower's leap, American River Comment
  SACT002611  Quercus chrysolepis Michael Baad 1977-6-2 Placer Descening trail from south. Mixed coniferous forest. 853.0 Comment
  SACT002614  Quercus chrysolepis Michael Baad 1976-8-4 Placer Collected on shores of lakes and northwest facing slope of Mildred Ridge Comment
  SJSU10143  Quercus chrysolepis A. W. Jacobs 1936-9-4 Placer E side of narrow gulch 1 mi NE of Colfax 762 Comment
  UCD45539  Quercus chrysolepis P. Akers 2002-4-14 s.n. Placer Ponderosa Way, S of Weimar. Comment
  UCD45600  Quercus chrysolepis Beth Lowe Corbin 1982-8-11 318 Placer 1 2/3 miles SW of Onion Creek campground. Elevation 6250 ft. 1905 Comment
  UCR190666  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2007-9-14 12962 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  CDA20383  Quercus chrysolepis var. chrysolepis P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  CDA20381  Quercus douglasii P. Akers 2002-4-14 s.n. Placer Northern California; E end of Clarke Tunnel Rd, N of Penryn. 0 Comment
  RSA638891  Quercus douglasii Phyllis Adams 1982-5-9 37 Placer Along Old Foresthill Road, in the American River Canyon 457 Comment
  SACT002636  Quercus durata Michael Baad 1977-6-21 Placer 1.5 miles south of junction of road to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  SACT002637  Quercus durata Michael Baad 1977-6-21 Placer 2 miles nouth of junction of road to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  CAS-BOT-BC105463  Quercus kelloggii Miss. A. Eastwood 1894-9-1 s.n. Placer Colfax Comment
  RSA476820  Quercus kelloggii Wm. Martin 1971-9-10 20203 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  UC1140073  Quercus kelloggii Marcus E. Jones, A. M. 1882-6-30 2871 Placer Emigrant Gap Comment
  CAS-BOT-BC62885  Quercus lobata Miss. A. Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  OBI14213  Quercus vacciniifolia Robert F. Hoover 1967-9-5 10822 Placer Carnelian Bay, Lake Tahoe Comment
  OBI14214  Quercus vacciniifolia Robert F. Hoover 1967-9-5 10822 Placer Carnelian Bay, Lake Tahoe Comment
  SACT002714  Quercus vacciniifolia Michael Baad 1983-7-1 Placer 0.4 mile beyond airport road junction on road from I80 to Blue Canyon 1584.96 Comment
  SD6105  Quercus vacciniifolia Unknown 1914-6-1 Placer Cisco Comment
Read comments
Jul 11 2010
  UCD21490  Quercus vacciniifolia Beth Lowe Corbin 1982-8-4 206 Placer Located on hill west of Onion Creek Campground. 1853 Comment
  SEINET10437527  Quercus vacciniifolia T. C. Frantz 1951-5-22 s.n. Placer N end of Lake Tahoe, next to NV state line. Comment
  SEINET10437807  Quercus wislizeni H. R. Holbo 1961-3-31 s.n. Placer North Fork of American River. 610 Comment
  JEPS59413  Ranunculus alismifolius var. alismellus Ezra Brainerd and Viola B. Baird 1915-7-15 132 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  CAS-BOT-BC379281  Ranunculus alismifolius var. alismellus John Thomas Howell 1943-7-26 18843 Placer Mt. Lincoln Comment
  JEPS72152  Ranunculus alismifolius var. alismellus Gladys L. Smith 1972-6-18 3151 Placer cliff above Alpine Meadows 2133 Comment
  CAS-BOT-BC379380  Ranunculus alismifolius var. hartwegii L. S. Smith 1926-4-24 1786 Placer Tahoe Forest, Truckee R.S. 1829 Comment
  CAS-BOT-BC379382  Ranunculus alismifolius var. hartwegii Lyman Benson 1942-7-2 11243 Placer Sierra Nevada Mts., junction of U.S. 40 and the Truckee River Road to Lake Tahoe 1890 Comment
  CAS-BOT-BC379393  Ranunculus alismifolius var. hartwegii Anna Head 1921-6-26 s.n. Placer Feather River Region, Gold Lake Comment
  CAS-BOT-BC379395  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 s.n. Placer Lake Tahoe Region, Seven Lakes Comment
  CAS-BOT-BC379431  Ranunculus alismifolius var. hartwegii Gordon H. True 1974-6-20 7749 Placer lower slopes and flats at east end of Castle Peak ridge, ca. 0.5 mi north of Summit Lake 2377 Comment
  CAS-BOT-BC379443  Ranunculus alismifolius var. hartwegii Peter H. Raven 1950-6-27 2426 Placer at S base of Boreal Ridge 2164 Comment
  JEPS127528  Ranunculus aquatilis var. diffusus Steve Matson 1998-7-12 328 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Highway 267, west of Martis Creek, close to highway rampart. Comment
  CAS-BOT-BC378966  Ranunculus bonariensis J. W. Congdon 1894-4-2 s.n. Placer Roseville Comment
  UCR233039  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  UCR231887  Ranunculus californicus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17148 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  POM269612  Ranunculus flammula var. ovalis Lyman Benson 1932-7-31 4019 Placer Tahoe Tavern, Sierra Nevada Mt., Lake Tahoe 1890 Comment
  RSA145542  Ranunculus flammula var. ovalis E. R. Blakley 1960-9-3 3814 Placer Kings Beach, Lake Tahoe. 1904 Comment
  UCD162599  Ranunculus glaberrimus var. ellipticus Steve Matson 2009-5-9 2201 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
  CHSC73190  Ranunculus occidentalis L. P. Janeway 1998-8-6 5983 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CHSC73985  Ranunculus occidentalis Susi Urie 1998-8-28 98 -141 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. Large meadow complex. 2115 Comment
  UC147650  Ranunculus occidentalis Harriet A. Walker 1908-6-24 1284 Placer Blue Canyon 1432 Comment
  UCD80701  Ranunculus occidentalis CNPS SN Foothill Team 2005-4-11 SNFN 0103 d Placer Placer Legacy, Spears/Didion Ranch (Spear's Ranch), above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  UCR207887  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2009-4-22 14569 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  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
  JEPS59414  Ranunculus occidentalis Viola B. Baird 1915-6-27 133 Placer above Bear Rock; Sierra Nevada Mts., Sheep Meadow 2164 Comment
  SEINET11526778  Raphanus raphanistrum Vetter 1955-4-23 8 Placer 0.5 mile W of Loomis. Comment
  UCR171024  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2006-2-9 10062 Placer Northern Central Valley, Clark Tunnel Road and Calif. Highway 193, east of Lincoln 113 Comment
  CDA25008  Rhamnus alnifolia J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  RSA257183  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles NW of Tahoe City. 1890 Comment
  RSA515510  Rhamnus alnifolia G. H. True 1973-5-27 7498 Placer Deer Creek, 6 miles S of Truckee and 1 mile N of Swuaw Valley. 1890 Comment
Read comments
Jun 29 2014
  CAS-BOT-BC58199  Rhododendron columbianum Gordon H. True 1965-5-18 s.n. Placer Deer Creek trib. to truckee River just n. Squaw Valley. 1981 Comment
  CAS-BOT-BC58200  Rhododendron columbianum L. S. Smith 1925-8-14 1706 Placer Robertson Flat pasture. Tahoe forest. 1981 Comment
  UC877119  Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer 6 mi n of Colfax (Meier Ranch); Meier Ranch 762 Comment
  SEINET5845255  Ribes P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 miles from end of railroad bridge on Calif. 194, winding road, plot located on the right past parking area, down path approx. 60 meters 1676 Comment
  CAS-BOT-BC108700  Ribes cereum John Thomas Howell 1943-7-26 18839 Placer Mount Lincoln. Comment
  UC1127434  Ribes cereum D. Schlobohm 1934-10-2 1 Placer 3 mi s Truckee; Tahoe National Forest, Truckee Quadrangle Comment
  CDA12418  Ribes cereum var. cereum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8546 Ab Placer Lake Tahoe; W end of Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS127485  Ribes inerme var. inerme Steve Matson 1998-6-14 240 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area, 20 meters north of Highway 267, 20 meters west of Martis Creek. Comment
  UC191456  Ribes inerme var. inerme C. F. Sonne 1885-5-19 Placer near Mill pond (on Tahoe road); Truckee Comment
  HSC103190  Ribes lasianthum Jade Paget-Seekins 2010-7-18 48 Placer Mountains west of Lake Tahoe, up Forest Route 3 past the Ellis Peak trailhead, left onto road toward Miller Meadows. 2228 Comment
  CAS-BOT-BC219173  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  CAS-BOT-BC219175  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  CAS-BOT-BC219207  Ribes nevadense Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe Comment
  CAS-BOT-BC219209  Ribes nevadense Julia McDonald 1914-6-1 s.n. Placer Homewood Comment
  UCD41252  Ribes nevadense Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1708 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 2.5 road miles from Main St. 1066 Comment
  SCFS5086  Ribes nevadense F. Felix, Erica Krimmel 2013-5-19 26 Placer North Fork American River, 0.5 mile downstream on Cedar meadow trail, next to trail Comment
  SEINET12216786  Ribes nevadense J. H. Nishida 1985-1 778 Placer Homewood 1829 Comment
  JEPS72247  Ribes roezlii Gladys L. Smith 1972-6-18 3135 Placer Alpine Meadows 2072 Comment
  RSA0018263  Ribes roezlii Wm. Martin 1971-9-10 20271 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  SCFS5087  Ribes roezlii F. Felix, Erica Krimmel 2013-5-19 28 Placer North Fork American River, Serena Creek Junction with North Fork American River Comment
  CAS-BOT-BC186207  Ribes roezlii var. roezlii J. H. Thompson 1906-7-1 s.n. Placer Fallen Leaf Lake near Lake Tahoe 2042 Comment
  CAS-BOT-BC186209  Ribes roezlii var. roezlii J. F. Emmel 1968-7-25 96 Placer Near Lake Mary, Donner Pass 2103 Comment
  CAS-BOT-BC168774  Ribes viscosissimum A. A. Heller 1909-7-16 9847 Placer Summit 2133 Comment
  UC35869  Rigiopappus leptocladus H. N. Bolander 1865-1 4569 Placer Newcastle Comment
  UC90678  Rigiopappus leptocladus Mrs. K. Curran May 1889 Placer Auburn Comment
  SEINET10939976  Robinia pseudoacacia Mary Susan Taylor 1975-5-10 Taylor 574 Placer Ca. 2 mi S of Auburn on Hwy 49, at bridge over American River, ca. 40 ft E of the bridge on N side of road; with Tunica prolifera, Toxicodendron diversilobum, Plantago lanceolatum. With Kevin Marsh. 213 Comment
  JEPS126366  Rorippa curvisiliqua Steve Matson 1998-6-27 309 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south south east of junction of Highway 267 and Martis Creek. Comment
  UC170073  Rorippa palustris Miss Helen D. Geis 1912-6 198 Placer Truckee River at lake outlet Comment
  CAS-BOT-BC146432  Rosa bridgesii G. K. Helmkamp; Amy Barnes 2009-7-12 15176 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  RSA2854  Rosa woodsii Carl B. Wolf 1931-9-10 2421 Placer Moist hollow near R.R between Tahoe Tavern and head of Truckee River. 1921 Comment
  UCD113771  Rubus armeniacus G. L. Stebbins Jr. 1952-6-22 5094 Placer 2 miles southeast of Colfax. Abundant along American River, north of bridge on road to Iowa Hill. 350 Comment
  UCD17681  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 81 Placer California. Placer County: corner of Grass Valley Highway and Sawyer Court in Auburn. Comment
  UCD89716  Rubus armeniacus Lindsay Clark 2008-6-20 CFX 17 Placer Stevens Trailhead parking lot in Colfax, off of N Canyon Way, just on the east side of I-80. 737 Comment
  SEINET7705258  Rubus bifrons W. Priest 1956-4-16 s.n. Placer U.S. Hwy. 40, just W of Bbaxter. 1067 Comment
  UCR191088  Rubus glaucifolius George K. Helmkamp, E. A. Helmkamp 2007-6-12 12321 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  POM308867  Rubus parviflorus Betty J. Jorgensen 1944-6-30 507 Placer Yuba River near Donner Summit Lodge. Comment
  SEINET11910807  Rubus parviflorus J. H. Nishida 1985-1 788 Placer Homewood 1829 Comment
  CAS-BOT-BC363203  Rudbeckia occidentalis Brandegee No date on label s.n. Placer Blue Canon [Canyon] Comment
  CAS-BOT-BC363205  Rudbeckia occidentalis Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC110505  Rumex Saichi Kawahara 1969-7-6 1454 Placer Mel Henderson Ranch, east bank of Indian Creek. 987 Comment
  CDA2876  Rumex acetosella G. M. Cole 1928-5-2 Placer Near Auburn. 0 Comment
  UCD100984  Rumex acetosella Amelie Blyth 1952-5-11 9- 2 Placer At junction of north fork and middle fork of American River, near Auburn. Comment
  UCD14635  Rumex acetosella Deanna Lynn Pfleger 1989-5-20 16 Placer Placer Co.; 30 miles from Auburn along Mosquito Ridge Road; 498 Comment
  CAS-BOT-BC422030  Rumex acetosella Peter H. Raven 1950-6-26 2413 Placer Baxter's 1219 Comment
  UCR250080  Rumex crispus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20499 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  UCD21928  Rumex triangulivalvis Beth Lowe Corbin 1982-8-11 324 Placer 1 1/2 mile WSW of Onion Creek campground. In fine, sandy soil in logged White Fir forest. Perennial, forming a loose clump. Calyx reddish. Full sun. SE facing slope, 20% incline. Uncommon. 2011 Comment
  UCD42927  Sagina saginoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 295 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC267083  Sagittaria Brighton C. Cain 1925-8-15 6 Placer 2 miles S of Auburn at Wise Power House Comment
  CAS-BOT-BC132674  Salix John H. Thomas; Hazelle A. Thomas 1956-7-21 6127 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SCFS11529143  Salix E. Krimmel, F. Felix 2012-9-13 Placer Intersection of Serena Creek and NFAm River. Comment
  UCD22306  Salix Beth Lowe Corbin 1982-8-9 278 Placer 1/3 mile SW of Onion Creek campground. Shrub 13' high. Bark pale, somewhat flaky. Full sun. South facing slope, 15% incline. Uncommon. 1859 Comment
  CAS-BOT-BC103561  Salix eastwoodiae W. R. Dudley 1900-6-1 5350 Placer Head of Independence Lake Comment
  CAS-BOT-BC103603  Salix eastwoodiae Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  CAS-BOT-BC103605  Salix eastwoodiae W. R. Dudley 1900-6-14 5056 Placer Road from Donner Lake to Summit Comment
  CHSC73436  Salix eastwoodiae L. P. Janeway; Eric Schroder 1998-9-16 6324 Placer Lake Tahoe Basin Management Unit. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. 2164 Comment
  POM215768  Salix exigua D. D. Keck 1933-6-1 2436 Placer 1 mile S of Loomis on road to Rocklin. Comment
  UC846678  Salix exigua Marcus E. Jones, A. M. 1882-6-28 3486 Placer Emigrant Gap Comment
  SEINET3260825  Salix fluviatilis Marcus E. Jones 1882-6-28 3486 Placer Emigrant Gap. Comment
  CAS-BOT-BC103987  Salix geyeriana W. R. Dudley 1900-6-1 5286 Placer near Independence Lake Comment
  CAS-BOT-BC103989  Salix geyeriana W. R. Dudley 1900-6-1 5287 Placer Vicinity of Independence Lake Comment
  CHSC9599  Salix geyeriana E. L. Smith 1971-6-17 973 Placer In Martis Valley at the s end, ca. 11 km se of Truckee. 1800 Comment
  UCD43825  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1191 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44528  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1894 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-BC106875  Salix jepsonii W. R. Dudley 1900-6-14 5062 Placer Between Donner Lake and Summit Comment
  CDA16980  Salix laevigata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16033 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC1134974  Salix lasiandra subsp. lasiandra B. Bolt 1934-8-17 183 Placer Middle Fork Tahoe Nat'l Forest, Truckee Quad., Middle Fork Comment
  CAS-BOT-BC125298  Salix lasiandra var. lasiandra W. R. Dudley 1909-8-1 s.n. Placer Monte Vista, Dutch Flat Comment
  CDA39563  Salix lasiolepis H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 Comment
  CAS-BOT-BC128474  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 11125 Placer Colfax Comment
  CAS-BOT-BC124777  Salix lemmonii W. R. Dudley 1900-6-14 5123 a Placer Flat north of Lake Mary, near Summit Comment
  CHSC74266  Salix lemmonii Susi Urie 1998-9-3 98 -229 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
  CHSC9584  Salix lemmonii E. L. Smith 1971-6-16 958 Placer In meadow at Tahoe Vista, e city limits near King's Beach. 580 Comment
  RSA43814  Salix lemmonii D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 1707 Comment
  UC847124  Salix lemmonii A. A. Heller 1917-6-19 12733 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC124768  Salix lemmonii L. S. Smith 1931-6-17 11 Placer Tahoe National Forest, Babbit Springs along road to Babbit L.O. 2133 Comment
  SEINET10412625  Salix lemmonii W. D. Billings 1951-7-28 2140 Placer Middle Fork American River, Tallbot Home Camp. 1676 Comment
  CAS-BOT-BC125100  Salix ligulifolia Helen La Plant 1964-6-1 s.n. Placer Ward Creek near Lake Tahoe Comment
  CAS-BOT-BC128233  Salix lucida W. R. Dudley 1900-6-15 5132 Placer Between Summit and Soda Springs Station, Nevada-Placer Co. line. Comment
  CAS-BOT-BC129521  Salix melanopsis L. S. Smith 1931-8-27 2629 Placer French Mdws., Tahoe N.F. - along middle fork American River below Chalk Bluff crossing. Comment
  POM107065  Salix melanopsis Marcus E. Jones 1882-6-28 3486 Placer Emigrant Gap. Comment
  JEPS86498  Salix orestera L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6579 Placer ca. 5 mi se Donner Lake (near Frog Lake, in cirque below 7889 ft rise, ca. 1.5 mi se of Chickering houses at Soda Spring (old resort)); , Frog Lake, Sherman Chickering's Soda Springs ho 2286 Comment
  CAS-BOT-BC129076  Salix scouleriana W. R. Dudley 1909-8-23 s.n. Placer Lake Tahoe Comment
  CAS-BOT-BC129122  Salix scouleriana W. R. Dudley 1900-6-1 5529 Placer Lake shore above McKinney's Creek Comment
  UC1135094  Salix scouleriana N. French 1934-5-31 380 Placer 1/2 mi. e. Texas Hill; Tahoe Nat'l Forest, Colfax Quad. Comment
  UC846454  Salix scouleriana Marcus E. Jones, A. M. 1882-7-1 3488 Placer Emigrant Gap Comment
  UC847121  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer along Yuba R. below Cisco; Yuba R 1676 Comment
  UCD33617  Salix scouleriana Beecher Crampton 1970-11-10 8656 Placer Placer County, Emigrant Gap, downslope from Hwy. 80 east. 1524 Comment
  UCD34051  Salix scouleriana Beecher Crampton 1975-10-14 9321 Placer Placer County, Blue Canyon airport area. 1524 Comment
  RSA1844  Sambucus caerulea C. B. Wolf 1930-10-11 1729 Placer 4 miles west of Emigrant Gap 1524 Comment
  UC1119893  Sambucus racemosa var. microbotrys N. French 1934-6-10 407 Placer near Lake Van Norden; Tahoe National Forest, Truckee Quadrangle 1920 Comment
  CAS-BOT-BC235189  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  CDA24988  Sanguisorba annua J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCR232633  Sanguisorba officinalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16640 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  POM83023  Sanicula bipinnatifida Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  UCD127934  Sanicula bipinnatifida Lynn Gould 1962-3-31 19 Placer Central Avenue, 2 miles west of Roseville. Comment
  CAS-BOT-BC229031  Sanicula crassicaulis George K. Helmkamp; E. A. Helmkamp 2012-5-5 18936 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UCD15165  Sanicula crassicaulis Phyllis Adams 1982-4-20 6 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 457 Comment
  UCR194970  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12001 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  UC875487  Sanicula graveolens Lewis S. Rose 1940-6-2 40459 Placer 10 mi n of Tahoe City (Truckee River); Truckee River 1828 Comment
  CHSC82521  Sanicula tuberosa Lowell Ahart 2002-7-22 9876 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UC147589  Sanicula tuberosa Miss Harriet A. Walker 1908-6-24 1300 Placer Blue Canyon 1432 Comment
  UC877140  Sarcodes sanguinea Alice Eastwood Jun 15-19 1912 478 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC466210  Sarcodes sanguinea C. F. Sonne 1893-6-1 s.n. Placer On Truckee River Comment
  RSA121491  Saxifraga bryophora N. H. French 1934-6-22 464 Placer Serena Lake. 2104 Comment
  JEPS43799  Saxifraga californica C. F. Sonne 1891-4-5 Placer near Newcastle Comment
  UCR208271  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2009-5-7 14637 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CDA16798  Saxifraga odontoloma G. F. Hrusa, J. Glazner 2001-7-15 15937 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2316 Comment
  JEPS59419  Saxifraga odontoloma Ezra Brainerd and Viola B. Baird 1915-7-10 138 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1920 Comment
  UC1602226  Saxifraga oregana G. W. Fetters 1929-7-10 Placer Pomin's near Lake Tahoe; Pomin's Comment
  CAS-BOT-BC418383  Saxifragaceae Saichi Kawahara 1969-7-6 1459 Placer Meadow, Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  UCD128066  Scandix pecten-veneris Lynn Gould 1962-4-14 39 Placer 0.5 mile northwest of Rocklin. Comment
  UCR173248  Scandix pecten-veneris George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10459 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
  RSA0101548  Sceptridium multifidum Winslow 1910-08 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CDA36895  Scleranthus annuus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCD98504  Scleranthus annuus subsp. annuus G. D. Barbe 1985-7-15 4238 Placer 10 miles east of Auburn, 1 mile northeast of Meadow Vista on Placer Hills Road. 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
  UCD15634  Scutellaria californica R. B. Kelley 1985-5-12 188 Placer Stevens Trail, at end of North Canyon Rd, near Colfax. 1.5 miles NE of trailhead. 548 Comment
  JEPS26922  Sedum obtusatum C. H. Uhl 1961-5-28 961 Placer crevices in granite ca 100 yds s of U.S. 40 at Donner Pass Summit (behind hiway maintenance shed, just sw of Nevada Co. line) 2164 Comment
  CAS-BOT-BC64212  Sedum obtusatum subsp. obtusatum Mrs. C. E. Miller 1916-8-1 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC62097  Selaginella hansenii Viola N. Poole 1932-5-1 s.n. Placer Auburn Comment
  UCD159864  Selaginella wallacei G. Ledyard Stebbins 1970-7-12 7052 Placer Bear River Canyon, 2 miles north of Alta. 1097 Comment
  CAS-BOT-BC69719  Selaginella wallacei G. L. Stebbins 1970-7-12 7052 Placer Bear River canyon, 2 mi. n. of Alta. 1097 Comment
  CAS-BOT-BC69721  Selaginella wallacei G. Ledyard Stebbins 1969-11-30 6981 Placer Shirttail Canyon on Colfax - Forest Hill Road. 365 Comment
  SEINET191999  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca. 1 mile west of Baxter Comment
  CAS-BOT-BC363906  Senecio integerrimus var. exaltatus Alice Eastwood 1906-7-23 894 Placer Glen Alpine Region. Near Lily Lake Comment
  CAS-BOT-BC364033  Senecio integerrimus var. major Alice Eastwood 1909-1-1 270 Placer Lake Tahoe Region. Deer Park Comment
  RSA0012467  Senecio serra var. serra Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CAS-BOT-BC364387  Senecio triangularis H. M. Evans 1918-7-24 s.n. Placer Tahoe region. Mud Lake Comment
  NY951527  Sequoiadendron giganteum D. H. Goldman 2004-11-2 2920 Placer Mosquito Ridgem Placer County Big Trees Reserve, Tahoe National Forest 1634 Comment
  UCD34028  Sericocarpus oregonensis subsp. californicus Beecher Crampton 1975-9-9 9280 Placer Gold Run rest area on Hwy. 80. 914 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
  CAS-BOT-BC243630  Setaria pumila Peter H. Raven 1954-8-27 7954 Placer Roseville Comment
  UCD92828  Setaria viridis var. major G. Douglas Barbe 1974-11-26 1985 Placer along Barton Road at Eureka Road, northwest corner, east of Roseville. Comment
  CAS-BOT-BC438825  Sidalcea asprella subsp. asprella George K. Helmkamp; Mary Alice Barnes 2013-5-3 20463 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  JEPS46167  Sidalcea glaucescens L. S. Smith 1928-6-9 2294 Placer s slope Squaw Valley Tahoe Forest, s slope Squaw Valley 1828 Comment
  OBI12327  Sidalcea glaucescens Robert F. Hoover 1967-9-5 10835 Placer Carnelian Bay, Lake Tahoe Comment
  UC750673  Sidalcea glaucescens Lewis S. Rose 1941-7-14 41314 Placer Homewood , Homewood (Lake Tahoe) 1920 Comment
  UCD150575  Sidalcea glaucescens James A. Neilson Jr. 1970-7-9 1476 Placer Tahoe Basin, North Ward Valley. 2194 Comment
  UCD15606  Sidalcea glaucescens Lisa Montany 1985-5-18 24 Placer Mosquito Ridge Rd, 18.6 miles west of Forest Hill Rd. Comment
  UCR170803  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2005-9-30 9947 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  SEINET11992697  Sidalcea glaucescens J. H. Nishida 1985-1 791 Placer Homewood 1829 Comment
  UC148998  Sidalcea glaucescens H. M. Hall 1910-7-11 8758 Placer along Yuba River (Old Cisco); Sierra Nevada Mountains, along Yuba River, Old Cisco 1737 Comment
  POM84039  Sidalcea hartwegii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  POM163316  Sidalcea hartwegii R. C. Bacigalupi, H. E. McMinn, Mason 1926-5-28 1499 Placer At Rose Springs, about halfway between Folsom and Lommis. Lower foothills, sourthen Placer County Comment
  UC871466  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1940-5-7 6338 Placer ca 1 mi w Baxter; w of Baxter Comment
  LA83273  Sidalcea oregana subsp. spicata O. H. Kappler; 1946-7-18 1318 Placer Lake Tahoe, NW shore 1920 Comment
  POM61902  Sidalcea oregana subsp. spicata George B. Grant 1906-6-25 7072 Placer Lake Tahoe. Comment
  SBBG117216  Sidalcea oregana subsp. spicata B. Crampton 1972-7-26 8838 Placer Carpenter Flat, E of Emigrant Gap 1615 Comment
  POM9889  Sidalcea oregana subsp. spicata E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  UCR193396  Silene californica George K. Helmkamp, E. A. Helmkamp 2007-5-30 12195 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 15 miles east of its junction with Forest Hill Road in Foresthill, south of site of Bake Oven 915 Comment
  CAS-BOT-BC249052  Silene douglasii George K. Helmkamp; E. A. Helmkamp 2010-8-14 16772 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  CAS-BOT-BC386976  Silene douglasii Lewis S. Rose 1941-7-25 41353 Placer Chambers lodge, (McKinney), Lake Tahoe 1920 Comment
  SEINET9336058  Silene douglasii Unknown 2001-7-15 15938 Placer Scattered perennial on steep rocky & gravelly, subalpine slopes, N side at summit of Crows Nest Pk. immediately W of Sugarbowl. Comment
  POM101045  Silene douglasii var. douglasii H. M. Hall 1910-7-4 8742 Placer Near Cisco. 1890 Comment
  CDA19496  Silene gallica M. I. Wibawa 2002-5-27 272 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. 0 Comment
  CAS-BOT-BC181345  Silene latifolia Margaret J. Williams; Dieter Schacht 1987-6-19 87- 20 -1 Placer Near Hwy 89, just west of Tahoe City 1905 Comment
  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
  HSC33451  Silene lemmonii Thomas W. Nelson, James Nelson 1974-6-17 1358 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  POM100975  Silene occidentalis Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SEINET5337234  Silene occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco, Upper Transition zone, in half-shaded openings in thickets. 1800 Comment
  UC311417  Silene occidentalis subsp. occidentalis Marcus E. Jones, A. M. 1882-6-30 Placer Emigrant Gap Comment
  SACT002103  Sitanion hystrix Michael Baad 1976-6-16 Placer Collected on trail between first and second stream crossing. Comment
  SACT002235  Sitanion hystrix Josephine Van Ess 1977-5-20 Placer Collected about 1.75 mile north of Hawk Logan Road on east-west portion of Garden Bar. Dry roadside bank. 85.4 Comment
  SACT002252  Sitanion jubatum D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Road. 978.0 Comment
  UC1364265  Solanum dimidiatum T. C. Fuller 17406 Placer Roseville, 221 Elm Street Roseville; , 221 Elm Street Comment
  UC579834  Solanum umbelliferum Annetta Carter 1937-4-25 1250 Placer about 6 mi se of Loomis (on the road from Folsom to Auburn) Comment
  UCD127064  Solanum xanti M. H. Mills 1996-4-12 155 Placer 5830 Walden Lane, Loomis. 180 Comment
  JEPS71535  Solanum xanti Gladys L. Smith 1972-6-21 3283 Placer roadbank going into Alpine Meadows 2072 Comment
  SEINET6186061  Solanum xanti L. R. Miller 1934-6-10 s.n. Placer Tahoe City, along highway Comment
  UCR231869  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17027 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  CAS-BOT-BC365502  Solidago elongata M. S. Jussel 1928-7-22 s.n. Placer Velma Falls, Lake Tahoe region Comment
  CHSC73023  Solidago elongata L. P. Janeway 1998-8-6 5960 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
  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
  UCR241356  Spiraea densiflora George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19819 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
  CDA13674  Spiranthes romanzoffiana G. F. Hrusa, J. Glazner 1997-8-3 14034 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD150748  Spiranthes romanzoffiana James A. Neilson Jr. 1970-8-28 1861 Placer Tahoe Basin, Paige meadows. 2103 Comment
  CAS-BOT-BC220973  Stachys Saichi Kawahara 1969-7-6 1441 Placer At the Mel Henderson Ranch on the east bank of Indian Creek 999 Comment
  POM283403  Stachys rigida subsp. rivularis Lyman Benson 1932-7-31 4023 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  POM286219  Stellaria longipes Lyman Benson 1942-7-2 11252 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UC8659  Stellaria longipes var. longipes C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  UCD43033  Stellaria longipes var. longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 402 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC8661  Stellaria longipes var. longipes Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR171207  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-24 10074 Placer Northern Sacramento Valley, Junction of Wise Road and Garden Bar Road east of Ewing 95 Comment
  SEINET5337366  Stellaria media M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks of American River. 274 Comment
  CAS-BOT-BC181460  Stellaria obtusa A. A. Heller 1919-7-25 13298 Placer About rocks near the Yuba River below Cisco. 1676 Comment
  JEPS111162  Stenotus acaulis Steve Matson 2005-7-16 1398 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  RSA531313  Stenotus acaulis Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4542 Placer Squaw Valley beyond upper cable car stn. on top of rocky ridge. Comment
  UC170071  Stenotus acaulis Miss Helen D. Geis 1912-6 54 Placer Deer Park. Crag Summit Comment
  UCD75948  Stephanomeria lactucina Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5189 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail. 2161 Comment
  CAS-BOT-BC375612  Stephanomeria lactucina unspecified No date on label 12893 Placer Summit Station 2121 Comment
  SACT002313  Stipa californica Michael Baad 1983-7-11 Placer 0.1 mile south of intersection. 3.5 air miles southeast of Emigrant Gap. Comment
  CAS-BOT-BC5668  Stipa lemmonii var. jonesii Marcus Eugene Jones 1882-6-28 3298 Placer Emigrant Gap Comment
  RSA584109  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest 1139 Comment
  UCR226134  Streptanthus tortuosus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5164 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, south side of trail between creek and trail 2138 Comment
  SCFS854  Streptanthus tortuosus E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, S. side near Top Meadow. Comment
  SDSU11280  Styrax officinalis var. californicus D. F. Howe 1948-5-23 1815 Placer American River 305 Comment
  UCR115100  Styrax officinalis var. redivivus G. Fred Hrusa 1995-5-20 12172 Placer Below Mosquito Ridge Road c. 1 km east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. 500 Comment
  UCD119095  Styrax redivivus Julie Combs 1994-5-14 19 Placer 1/2 m E of Robie St. just off hiking trail. 274 Comment
  CAS-BOT-BC215296  Symphoricarpos mollis C. F. Sonne 1886-7-18 s.n. Placer Truckee River, Sierra Nevada Comment
  UC372895  Symphoricarpos mollis var. acutus Marcus E. Jones, A. M. 1882-6-27 Placer Emigrant Gap Comment
  JEPS72399  Symphoricarpos rotundifolius var. rotundifolius Gladys L. Smith 1972-6-20 3217 Placer Ward Peak; about terminus of summit chair 2621 Comment
  SBBG7649  Symphyotrichum ascendens E. R. Blakley 1960-9-3 3813 Placer Kings Beach, Lake Tahoe 1905 Comment
  CAS-BOT-BC97857  Symphyotrichum eatonii W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC98964  Symphyotrichum foliaceum var. parryi Peter Rubtzoff 1976-9-18 8842 Placer Sierra Nevada, Lake Van Norden - south side of lake, lakeshore near margin of bordering forest. 2063 Comment
  CAS-BOT-BC98479  Symphyotrichum spathulatum H. M. Hall 12888 Placer Summit Station 2121 Comment
  CAS-BOT-BC98481  Symphyotrichum spathulatum C. G. Pringle 1884-9-1 s.n. Placer Summit Valley, Sierra Nevada Mts. Comment
  UC128133  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-26 1437 Placer Cisco 1810 Comment
  UC1544811  Symphyotrichum spathulatum Almut G. Jones 1986-8-27 7282 Placer n of, along Hwy. 89 near junction to Squaw Valley Ski area Tahoe City 2100 Comment
  CHSC74353  Symphyotrichum spathulatum var. spathulatum Susi Urie; Eric Schroder 1998-9-10 98 -317 Placer Antone meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC376826  Tanacetum vulgare Mary P. Wells; Nell E. Flattery 1980-9-12 s.n. Placer Yard at 550 Pioneer Way, Tahoe City Comment
  CAS-BOT-BC376912  Taraxacum officinale Saichi Kawahara 1969-5-25 1002 Placer Mel Henderson Ranch, east of Indian Creek 987 Comment
  JEPS126352  Taraxacum officinale Steve Matson 1998-5-17 197 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards north of airport creek, 200 yards south of Martis Dam Road. Comment
  UC147626  Taraxacum officinale Miss Harriet A. Walker 1908-6-26 1319 Placer Cisco 1810 Comment
  JEPS127461  Taraxia subacaulis Steve Matson 1998-5-24 212 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 meters north of Highway 267, 100 meters east of Martis Creek. Comment
  NY17479  Taxus brevifolia F. A. MacFadden 1934-8-14 12872 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC392399  Thalictrum fendleri Alice Eastwood 1909-1-1 122 Placer Lake Tahoe Region. Sunnyside Comment
  UC477531  Thalictrum fendleri L. S. Smith 1931-6-3 2555 Placer Robertson Flat Tahoe Nat. Forest 2133 Comment
  CAS-BOT-BC392402  Thalictrum fendleri Fay A. Mac Fadden 1934-7-26 12862 Placer Red Mt. Comment
  RSA399564  Thalictrum fendleri Unspecified 1931-7-5 s.n. Placer Near Meeks Bay, Lake Tahoe. 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
  UCD42950  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 319 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD96804  Thalictrum fendleri var. fendleri G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12633 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCD43892  Thalictrum sparsiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1258 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  RSA693558  Thelypteris nevadensis May N. Ackley 1925-06 65 Placer Near Towle Comment
  UCD93353  Thinopyrum intermedium Frederica Bowcutt 1994-7-22 1952 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. 2438 Comment
  CDA35497  Thlaspi arvense Darryl Mitani 2011-7-21 PDR# 1611261 Placer Tahoe City; Lake Forest Road. 0 Comment
  UCR257102  Thysanocarpus curvipes George K. Helmkamp, Amy Barnes 2014-4-23 22786 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SBBG45226  Thysanocarpus curvipes Leota Davidson 1966-5-3 416 Placer mtn side of Eldorado County line bridge, near Auburn Comment
  CAS-BOT-BC67322  Thysanocarpus radians Peter H. Raven 1954-4-16 6600 Placer 7 miles south of Lincoln on road to Roseville. Comment
  CAS-BOT-BC67323  Thysanocarpus radians M. K. Curran 1884-1-1 s.n. Placer Roseville. Comment
  CAS-BOT-BC228846  Torilis arvensis George K. Helmkamp; E. A. Helmkamp 2011-5-6 17218 Placer Eastern Edge of Sacramento Valley: Camp Far West Road, 0.1 mile west of its junction with McCourtney Road, c. 6.3 mi. NE (67 deg. ) of Wheatland 58 Comment
  UC567143  Torreya californica N. French 1933-5-19 60 Placer near Iowa Hill; Colfax Quadrangle 91 Comment
  UCD150495  Toxicoscordion venenosum var. venenosum James A. Neilson Jr. 1971-6-30 2132 Placer Tahoe Basin, lower Ward Valley, Ward drainage. 1920 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
  CDA39014  Tragopogon dubius M. Evans, D. G. Kelch 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  UCD21793  Tragopogon dubius Beth Lowe Corbin 1982-8-13 348 Placer 1/4 mile W of The Cedars. 1737 Comment
  UC380647  Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap 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
  UCR194958  Trifolium bifidum var. decipiens George K. Helmkamp, E. A. Helmkamp 2007-5-18 12031 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  CAS-BOT-BC227704  Trifolium ciliolatum G. K. Helmkamp; E. A. Helmkamp 2007-5-18 12019 Placer Northern Sierra Nevada Mountains Foothills: along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  JEPS127542  Trifolium cyathiferum Steve Matson 1998-6-6 225 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 50 m south of Hwy 267, under power lines, 100 m east of Martis Creek. Comment
  OBI12698  Trifolium cyathiferum Robert F. Hoover 1967-9-7 10857 Placer Antone Meadow Comment
  SCFS2171  Trifolium cyathiferum L. Hooker 1963-6-27 29 Placer Mdw 3.7 mi past Montreal Rd on Hwy 89 1829 Comment
  SEINET12157177  Trifolium cyathiferum C. F. Sonne 1884-1 60 Placer Canon above Goldstream, Macerlea Comment
  SEINET4691681  Trifolium depauperatum var. depauperatum George K. Helmkamp, E. A. Helmkamp 2011-1 17154 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan. 41 Comment
  RSA0042823  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCD39210  Trifolium dubium Beecher Crampton 1953-5-26 1341 Placer 2 miles N of Lincoln, Chamberlain Ranch. Comment
  CDA37058  Trifolium glomeratum CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  RSA31983  Trifolium gracilentum A. A. Heller 1940-4-20 15537 Placer Whitney Station south of Lincoln along US Hwy 99. Comment
Read comments
Mar 28 2011
  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
  SD237453  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15907 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road at Miners Valley Road, 4.5 miles south of junction with CA-49 at Pilot Hill (Pilot Hill 7.5'Q) 287 Comment
  SD248419  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 961 Comment
  SD255755  Trifolium hirtum George K. Helmkamp, Amy Barnes 2014-3-21 22643 Placer Sacramento Valley; Sheridan, Riosa Road at the west side of its junction with old CA 65. 32 Comment
  UCR173265  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10428 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR188845  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2007-3-25 11712 Placer Foothills, Northern Sierra Nevada Mountains, Forest Hill Road at the junction with the unnamed road to Lake Clementine 457 Comment
  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
  SD257274  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-3-21 22648 Placer Sacramento Valley: Sheridan, Riosa Road at the west side of its junction with old CA-65 (Sherican 7.5'Q) 32 Comment
  UCR258124  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-3-21 22648 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  UC80411  Trifolium kingii var. productum Kellogg 1870-6-29 Placer Ciso Comment
  UC866961  Trifolium kingii var. productum John Thomas Howell 1938-8-2 13995 Placer 5 mi n Brockway 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
  UC80329  Trifolium monanthum subsp. parvum Kellogg July 1870 Placer Cisco Comment
  CAS-BOT-BC5322  Trifolium monanthum var. parvum Albert Kellogg 1870-7-1 s.n. Placer Cisco Comment
  CAS-BOT-BC230184  Trifolium productum John Thomas Howell 1938-8-2 13995 Placer 5 miles n. of Brockway Comment
  UCD147090  Trifolium striatum Chuck Hughes 2013-5-6 374 Placer Southwest margin of Camp Far West Reservoir. 96 Comment
  UCR253131  Trifolium subterraneum George K. Helmkamp, Amy Barnes 2014-4-23 22811 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
  HSC82226  Trifolium variegatum Thomas W. Nelson 1979-4-10 4576 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  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
  SEINET7371239  Trifolium wormskioldii M. J. Williams 1974-8-8 74 -PL-38 Placer [Sierra Nevada] Murphy's Meadow, 5 mi. SW of Hirschdale. 2316 Comment
  UC147565  Trillium albidum Harriet A. Walker 1908-6-24 1259 Placer Blue Canyon Comment
  POM109197  Trillium angustipetalum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC516750  Triphysaria eriantha George K. Helmkamp; Amy Barnes 2013-3-28 20285 Placer Eastern Sacramento Valley: along 10th St/Ranch House Rd, 0.6 mi S of its jct with Riosa Road in Sheridan 43 Comment
  SEINET13750242  Triphysaria eriantha P. A. Lehenbauer 1937-4-11 s. n. Placer Auburn Comment
  UC219134  Triphysaria eriantha subsp. eriantha unknown May, 1891 Placer Auburn Comment
  SD44180  Triphysaria pusilla Darley F. Howe 1948-5-20 Placer Placer Co. 456 Comment
  RSA792717  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2011-4-10 17158 Placer along Riosa Road at the east edge of the village of Sheridan 41 Comment
  UCR234219  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2011-4-10 17158 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  CDA15658  Trisetum canescens G. F. Hrusa, J. Glazner 1999-7-18 15195 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment