Search Results — 2000 specimen records retrieved (1590 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CDA37459  Abies concolor D. G. Kelch 2011-10-3 11 .82 Placer Tahoe City. Granlibakken Resort. Comment
  HSC1335  Abies concolor R. A. Magie 1964-6-12 103 Placer Turn off of Hwy. 20, 6 mi. W of Hwy. 40 junction, 12 mi. towards Lindsay Lake 1982 Comment
  NY29526  Abies magnifica A. A. Heller 1912-7-20 10592 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET5334446  Abies magnifica W. D. Billings 1951-8-21 2155 Placer E. side of Granite Chief, Sierra Nevada 2621 Comment
  UC484020  Abies magnifica var. magnifica Carl B. Wolf 1930-10-10 1726 Placer 5 mi from Truckee (Coldstream Canyon); Coldstream Canyon 1981 Comment
  CAS-BOT-BC333262  Acer macrophyllum Marcus E. Jones 1882-6-28 3306 Placer Emigrant Gap Comment
  UC452624  Acer macrophyllum C. F. Sonne 1891-6-7 1384 Placer below Gold Run (Shady Ravine); Below Gold Run Comment
  JEPS126315  Achillea millefolium Steve Matson 1997-7-1 9 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  OBI20109  Achillea millefolium David J. Keil 1978-7-23 12947 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCD43935  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1301 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR250165  Achillea millefolium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20481 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  CAS-BOT-BC210685  Achnatherum lemmonii Saichi Kawahara 1969-7-6 852 Placer Near garden, Mel Henderson Ranch, Indian Creek 1005 Comment
  CAS-BOT-BC210686  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer Ca. 1 mile west of Baxter Comment
  UC682051  Achnatherum lemmonii G. L. Stebbins Jr. 1941-7-16 3175 Placer 1 mi w along U. S. Highway 40 Cisco Grove; U. S. Highway 40 1706 Comment
  UC822089  Achnatherum lemmonii Marcus E. Jones, A. M. 1882-6-28 3298 Placer Emigrant Gap Comment
  CAS-BOT-BC210743  Achnatherum nelsonii W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  UCD50815  Achnatherum nevadense A. A. Heller 1917-8-14 12925 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  CAS-BOT-BC210838  Achnatherum occidentale subsp. californicum No date on label 12889 Placer Summit Station 2121 Comment
  CAS-BOT-BC210839  Achnatherum occidentale subsp. californicum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 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
  UC1133084  Achnatherum occidentale subsp. californicum B. Bolt 1934-7-3 69 Placer Sawtooth Ridge, top of Tahoe National Forest, Colfax Quadrangle Comment
  UCD158708  Achnatherum occidentale subsp. californicum James A. Neilson Jr.; Dianne Q. McQuaid 1972-8-24 3599 Placer Tahoe Basin, Ward Valley, upper meadow. 2148 Comment
  UCD51038  Achnatherum occidentale subsp. californicum Beecher Crampton 1955-6-15 2912 Placer 1/2 mile north of Forest Hill. 975 Comment
  UCR241743  Achnatherum occidentale subsp. californicum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19220 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  SACT000023  Achnatherum stillmanii Michael Baad 1983-7-11 Placer elevation 5200' and continuing towards Black Mountain to the western edge of section 9, T.16N, R.12E 1585.0 Comment
  UCD51410  Achnatherum stillmanii Beecher Crampton 1964-7-21 7127 Placer Blue Canyon. 1430 Comment
  CHSC81785  Acmispon americanus var. americanus Lowell Ahart 2001-10-10 9346 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
  JEPS127427  Acmispon americanus var. americanus Steve Matson 1998-8-15 377 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UCD33729  Acmispon americanus var. americanus Beecher Crampton 1972-7-26 8836 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD36659  Acmispon argophyllus var. fremontii Beecher Crampton 1955-6-15 2887 Placer Placer County, 4.5 miles south of U.S. Highway 40, along North Fork of American River, near base of Bunch Canyon, on road to Forest Hills. Comment
  SEINET5327408  Acmispon brachycarpus A. Beninghoff 1930-4-19 1768 Placer Virginia Town Comment
  UCD22074  Acmispon nevadensis Rex Palmer 1979-7-26 N 833 Placer Headwaters basin area of the North Fork of the American River. Comment
  SD240993  Acmispon nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17854 Placer Northern Sierra Nevada Mountains Foothills: Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mile NE (65a^z) of Emigrant Gap (Blue Canyon 7.5'Q) 1590 Comment
  JEPS127522  Aconitum columbianum subsp. columbianum Steve Matson 2002-7-14 573 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, nearly one mile SW of parking lot and picnic spot, south side of Highway 267, along Lookout Mountain Creek. Comment
  CAS-BOT-BC412850  Aconogonon davisiae Alice Eastwood 1909-1-1 290 Placer Lake Tahoe Region. Deer Park Comment
  SD1177  Aconogonon davisiae C. F. Sonne Aug 1897 Placer Tinkers Knob Comment
  SEINET4175504  Aconogonon davisiae W. D. Billings 1950-7-30 1921 Placer Northeast side of Squaw Peak, Sierra Nevada 2591 Comment
  UCD21931  Aconogonon davisiae Beth Lowe Corbin 1982-8-23 409 Placer 2 miles SW of the Cedars. In loose, fine sandy, rocky soil in open Red Fir forest. Stem pinkish. Calyx pinkish white. Full sun. North facing slope, 30% incline. Locally common. 2133 Comment
  UCD98571  Aconogonon davisiae Frederica Bowcutt 1994-7-22 1944 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  CAS-BOT-BC412851  Aconogonon davisiae Miss. T. V. Raphael 1923-7-1 s.n. Placer Cisco, Lookout Mt. Comment
  UCD98797  Aconogonon phytolaccifolium F. A. MacFadden 1934-7-26 s.n. Placer Foot of Red Mt. Comment
  CAS-BOT-BC29287  Adenocaulon bicolor Saichi Kawahara 1969-7-6 1424 Placer Near cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  UCD128410  Adenocaulon bicolor Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  UCD21683  Adenocaulon bicolor Beth Lowe Corbin 1982-8-6 259 Placer 1/8 mile west of Onion Creek campground. In deep conifer duff. Open area near stream. Perennial herb. White flowers. Partial sun. SW facing slope, 10% incline. Occasional. 1844 Comment
  POM120401  Adiantum jordanii Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
Read comments
Sep 3 2010
  SEINET6412851  Adiantum pedatum P. B. Kennedy 1901-8-21 427 Placer Talbots Home Camp, 7 miles from French Meadows Cal. Comment
  UCD147087  Aegilops neglecta Chuck Hughes 2013-5-6 372 Placer Southwest margin of Camp Far West Reservoir. 96 Comment
  CDA42825  Aegilops triuncialis G. F. Hrusa, M. Pitcairn 2015-7-16 18648 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  CAS-BOT-BC228605  Aesculus californica George K. Helmkamp; E. A. Helmkamp 2011-5-6 17216 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
  UC615511  Agastache urticifolia Beryl O. Schreiber 1932-9-11 766 Placer road to Summit Comment
  UCD21769  Ageratina occidentalis Beth Lowe Corbin 1982-8-13 338 Placer 1 1/3 mile SSW of Onion Creek campground. 1645 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
  CAS-BOT-BC13179  Agoseris monticola John Thomas Howell 1943-7-26 18832 Placer Donner Pass to Mount Lincoln Comment
  JEPS126360  Agoseris monticola Steve Matson 2003-6-9 793 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards south of Martis Dam Road, 20 yards of airport creek, 200 yards NW of vernal pools near Highway 267. Comment
  UCD128657  Agoseris retrorsa A. S. Crafts 1926-5-1 794 Placer American River Canyon. Comment
  UC148946  Agoseris retrorsa H. M. Hall 1910-6-28 8722 Placer s slope, (opposite Cisco) Rattlesnake Creek; Sierra Nevada Mts. 1981 Comment
  CAS-BOT-BC451160  Agrimonia gryposepala W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Station Comment
  CDA1690  Agropyron desertorum T. C. Fuller 1964-9-1 12573 Placer Sierra Nevada; 0.1 mile west of Blue Canyon Road, north side of Interstate 80 freeway from Donner Summit. Comment
  SACT000043  Agropyron desertorum D. Meyer 1984-7-21 Placer Near golf course 2000.0 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
  SACT000070  Agropyron trachycaulum D. Meyer 1983-8-7 Placer Along Truckee River, east bank 1879.0 Comment
  SEINET3282797 Image available 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
  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
  SACT000127  Agrostis diegoensis Michael Baad 1976-8-4 Placer Banks of Picoyune Creek amoung rocks and in the gravel beside creek, white fir forest with openings 1975.1 Comment
  SACT000084  Agrostis exarata D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SACT000085  Agrostis exarata D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  SACT000087  Agrostis exarata D. Meyer 1984-6-10 Placer 436.0 Comment
  SACT000090  Agrostis exarata D. Meyer 1984-7-29 Placer 1661.0 Comment
  SACT000104  Agrostis exarata D. Meyer 1984-9-23 Placer Bladewood Creek, plant growing in water from rocky creek bed beneath bridge. Road to Barker's Pass. 1939.0 Comment
  SACT000107  Agrostis exarata D. Meyer 1984-7-21 Placer Lake Shore Drive at Villas Rd east of Tahoe City. Moist roadside ditch and pine wooded area. Dense shade. 1927.0 Comment
  SACT000110  Agrostis exarata D. Meyer 1984-9-23 Placer Bladewood Creek, very wet rocky creek bed. 1212.0 Comment
  UCD124129  Agrostis exarata Ellen Dean; Marcel Rejmanek 2012-10-9 7503 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD52333  Agrostis exarata Hitchcock Date Unknown 12891 Placer Summit Station. 2121 Comment
  UCD52348  Agrostis exarata H. L. Mason 1939-8-3 12206 Placer Squaw Creek Valley, north of Lake Tahoe. 1889 Comment
  UCR240720  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19895 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  CAS-BOT-BC139728  Agrostis gigantea Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CAS-BOT-BC139255  Agrostis idahoensis A. A. Heller 1919-7-25 13293 Placer Near the Yuba river below Cisco. 1676 Comment
  SACT000183  Agrostis idahoensis D. Meyer 1984-9-23 Placer Rocky Creek bed. very wet. 2121.0 Comment
  UCD52781  Agrostis idahoensis L. S. Smith 1914-9-14 s.n. Placer Col. Near Devils Peak. Comment
  UC1495330  Agrostis oregonensis Robert T. Clausen and Harold Trapido 1940-7-13 4886 Placer bank of creek 1 1/2 mi w Lake Tahoe; Sierra Nevada, Lake Tahoe Basin, Ward Creek 1905 Comment
  UCD44604  Agrostis pallens C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1970 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD53210  Agrostis pallens A. A. Heller 1919-7-25 13305 Placer near the Yuba river below Cisco. 1676 Comment
  SEINET4341133  Agrostis pallens L. G. McNeal 1965-10-16 s.n. Placer Squaw Valley 1981 Comment
  SACT000165  Agrostis scabra D. Meyer 1984-7-8 Placer Road to reservoir, roadside 1758.0 Comment
  SBBG8910  Agrostis scabra E. R. Blakley 1960-9-3 3808 Placer Kings Beach, Lake Tahoe 1903 Comment
  UC128217  Agrostis scabra Miss Harriet A. Walker 1908-7-25 1409 Placer Cisco 1810 Comment
  CHSC69967  Agrostis stolonifera L. P. Janeway; Eric Schroder 1997-7-17 5247 Placer Meadow on southeast side of Fulda Creed at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  CHSC73248  Agrostis stolonifera L. P. Janeway 1998-8-6 5976 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SACT000218  Agrostis tenuis D. Meyer 1983-6-16 Placer 1624.0 Comment
  SACT000211  Agrostis tenuis Josephine Van Ess 1976-6-16 Placer at small stream draining from golf course. wet streambank. 48.8 Comment
  CAS-BOT-BC138568  Agrostis variabilis Peter Rubtzoff; Edward W. Colson 1976-7-6 8720 Placer Sierra Nevada. Lake Van Norden. 2063 Comment
  UC143950  Agrostis variabilis C. G. Pringle 1882-9-22 Placer Summit Valley Sierra Nevada Mountains, Summit Valley 2438 Comment
  UCD75707  Agrostis variabilis Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5157 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, sides of trail. 2124 Comment
  CAS-BOT-BC64487  Ailanthus altissima T. C. Fuller 1975-9-5 20101 Placer Between old Hwy 40 & Interstate 80 freeway, n. limits of Colfax. Sierra Nevada. 731 Comment
  CDA36884  Aira caryophyllea CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SACT000232  Aira caryophyllea D. Meyer 1984-8-4 Placer Meadow, mostly dry with a few springs 1454.0 Comment
  UC790971  Aira caryophyllea A. A. Beetle 1941-5-26 2710 Placer hillside near Cisco 914 Comment
  UCR208605  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2009-5-7 14615 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  SEINET10509650  Aira caryophyllea Alan A. Beetle 1941-5-26 Beetle 2710 Placer Near Cisco. 914 Comment
  CAS-BOT-BC138374  Aira caryophyllea var. caryophyllea A. A. Beetle 1941-5-26 2710 Placer Near Cisco. 914 Comment
  UC985659  Alisma lanceolatum Malcolm A. Nobs 1948-9-25 686 Placer Hwy 49 about 9 mi n Auburn; Rock Creek Comment
  OBI60155  Alisma triviale David J. Keil, with Kathleen A. Keil 1999-7-17 28380 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  JEPS56352  Allium amplectens Leland S. Smith 1925-7-13 1671 Placer Picayune Creek Tahoe National Forest, Picayune Creek 1981 Comment
  RSA35118  Allium campanulatum L. S. Rose 1944-7-13 44106 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  CAS-BOT-BC466401  Allium campanulatum D E Breedlove 1962-6-13 3546 Placer Western bank of Lake Tahoe along State Highway 89, 8.3 miles south of Tahoe City; Sierra Nevada 1889 Comment
  UC3200  Allium peninsulare var. peninsulare C. F. Sonne 1891-5-17 1 Placer Newcastle Sierra Nevada Mountains, Newcastle Comment
Read comments
May 11 2010
  CAS-BOT-BC474087  Allium platycaule John H. Thomas; Hazelle A. Thomas 1956-7-21 6091 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  JEPS73016  Allium platycaule Gladys L. Smith 1972-6-20 3209 Placer about terminus of summit chairlift, Ward Peak Ward Peak 2621 Comment
  UCD22046  Allium platycaule Beth Lowe Corbin 1982-8-4 238 Placer 1 1/2 mile NNW of Onion Creek campground. 2286 Comment
  JEPS14036  Allium sanbornii var. congdonii Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, D. Zohary, H. Stutz, J. Hunziker, F. Ehrendorfer 1952-7-20 3890 Placer serpentine hill just s Shirttail Public Camp (7 mi e of Iowa Hill); Tahoe National Forest 1188 Comment
  JEPS2719 Image available Allium sanbornii var. congdonii Katharine Brandegee 1908-7-18 Placer Cape Horn; ; Cape Horn, Placer Co. 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
  UC1123707  Allophyllum integrifolium B. Bolt 1934-7-10 93 Placer 2 mi. s. Huysink Lake; Tahoe Nat'l Forest, Colfax Quad. Comment
  UC572283  Allophyllum integrifolium B. Bolt 1934-7-19 148 Placer Tadpole Spring, Tahoe Nat'l Forest Tahoe Nat'l Forest, Colfax Quad., Tadpole Spring 1950 Comment
  UC196658  Allotropa virgata Miss Adele Dahl Placer Tahoe City Comment
  UC197391  Allotropa virgata C. F. Sonne Jul 1897 Placer Canyon about Schafers mill near Truckee 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
  CAS-BOT-BC171439  Alnus rhombifolia Mrs. Marian Campbell 1928-6-28 s.n. Placer Summit Comment
  CAS-BOT-BC138157  Alopecurus aequalis var. aequalis John Thomas Howell 1943-7-19 18586 Placer Summit Valley. Comment
  JEPS115003  Amaranthus californicus Lowell Ahart 2007-11-13 14596 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan 73 Comment
  JEPS45144 Image available Amelanchier alnifolia var. pumila W. L. Jepson 1918-7-30 7726 Placer near Tahoe City; Lake Tahoe 1920 Comment
  JEPS111241  Amelanchier utahensis Steve Matson 2005-6-19 1297 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
  JEPS118605  Amorpha californica Karen I. Callahan 2010-6-26 0017 Placer Northern Sierra Nevada Foothills. Shutamul Preserve of the Placer County Land Trust. North slope above the Bear River, NW of Highway 49 and S of the confluence of Wolf Creek with Bear River. Wolf 7.5' Quad. Comment
  UCR222550  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2010-4-17 15895 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area 305 Comment
  UC1178280  Amsinckia intermedia Francia Chisaki 1956-4-20 687 Placer on Roseville Road, Antelope Antelope Comment
  UCR253125  Amsinckia retrorsa George K. Helmkamp, Amy Barnes 2014-4-23 22823 Placer Sierra Nevada Mountains Foothills, Foresthill Road, 0.6 mile northeast of Grizzly Bear House, c. 2 miles NE of Lake Clementine Rd, 0.57 mi. SW of Upper Lake Clementine Rd 526 Comment
  SD243066  Anaphalis margaritacea George K. Helmkamp, E. A. Helmkamp 2010-8-14 16792 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
  UC202222  Anaphalis margaritacea A. A. Heller 1916-8-13 12907 Placer 2133 Comment
  SEINET6734967 Image available Anaphalis margaritacea R. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  CDA31477  Andropogon virginicus Cliff Hulbert 1957-10-27 Placer Auburn, Ranch of Edward Forester (Rt. , Box 1218) 0 Comment
  UCD56087  Andropogon virginicus Beecher Crampton 1957-5-7 3995 Placer along Thermalands Road, 2 miles northeast Lincoln. Comment
  CAS-BOT-BC63971  Antennaria argentea C. F. Sonne 1885-6-14 161 Placer Tahoe City Comment
  UC129069  Antennaria argentea Geo. B. Grant 1906-7-20 6943 Placer Tahoe Tavern Sierra Nevada Mts., Lake Tahoe 1889 Comment
  UC147604  Antennaria argentea Harriet A. Walker 1908-6-23 1358 Placer Blue Canon 1432 Comment
  CAS-BOT-BC77285  Antennaria microphylla Geo. B. Grant 1906-7-15 7026 Placer Tahoe Tavern Comment
  UC65330  Antennaria rosea P. B. Kennedy and S. B. Doten 1901-8-10 Placer summit of Devils; Summit Soda Springs Comment
  UCR146865  Anthemis tinctoria Beecher Crampton 1972-7-26 8853 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  SACT000339  Anthoxanthum odoratum D. Meyer 1983-7-24 Placer North of I 80 along roadside. 909.0 Comment
  UCD127201  Anthriscus caucalis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 -B Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  SEINET6329790  Aphanes occidentalis D. E. Brix 1962-3-17 s.n. Placer 3.5 miles east of Auburn 274 Comment
  UCR231847  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2010-8-11 16756 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  CAS-BOT-BC397907  Aquilegia formosa Saichi Kawahara 1969-7-6 1468 Placer Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest. SW 1/4 of section 19 of the Dutch Flat Quaddrangle, R11E T15N. Comment
  UC1585853  Arabidopsis thaliana Barbara Ertter with David Thompson 1989-4-9 8196 Placer halfway down road to Lake Clementine ((=North Fork Lake), ne of Auburn) 304 Comment
  RSA0029334  Arabis John F. Emmel 1991-6-25 1184 Placer Sierra Nevada, Lake Tahoe region. Ward Creek. 2024 Comment
  POM143042  Arabis lemmonii var. depauperata C. F. Sonne 1897-7-18 s.n. Placer Tinker s Knob 2744 Comment
  CDA12380  Arabis lyallii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8508 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. 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
  UC1601422  Arabis rectissima var. rectissima Katharine Brandegee Placer Tahoe Tavern Comment
  CAS-BOT-BC407752  Arceuthobium abietinum W. R. Dudley 1909-8-23 s.n. Placer Grounds of Tahoe Tavern, Lake Tahoe Comment
  UC1078826  Arceuthobium americanum Job Kuijt 1957-5-18 1331 Placer ca 10 mi n Tahoe City (on Hwy 89) 1798 Comment
  UC1085341  Arceuthobium americanum Job Kuijt 1957-5-20 1343 Placer 9.2 mi n Tahoe City (on Hwy 89 along Truckee River) 1798 Comment
  UC191532  Arceuthobium campylopodum C. F. Sonne 1889-7-9 Placer near Lake Tahoe Comment
  CHSC10702  Arctostaphylos manzanita Lowell Ahart 1964-7-3 Placer On trail to Placer Queen Mine. 1676 Comment
  UCR170824  Arctostaphylos manzanita subsp. manzanita George K. Helmkamp, E. A. Helmkamp 2005-9-30 9942 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  OBI14610  Arctostaphylos nevadensis Robert F. Hoover 1967-9-5 10824 Placer Carnelian Bay, Lake Tahoe Comment
  UC480734  Arctostaphylos nevadensis W. C. Blasdale 1923-7-13 Placer top of peak Lake Tahoe Region, Ellis Peak Comment
  CAS-BOT-BC42147  Arctostaphylos patula C. Hart Merriam 1911-11-5 s.n. Placer West slope Sierra Nevada near Alta Station (CPRR) Comment
  RSA122010  Arctostaphylos patula G. T. Nordstrom 1934-6-21 135 Placer Two miles northeast of Mammoth Springs. Comment
  UCD52188  Arctostaphylos viscida Beecher Crampton 1955-6-15 2904 Placer Yellow pine forest, Yankee Jim, Placer County. 807 Comment
  UCD52816  Arctostaphylos viscida D. H. Hartmann 1941-10-11 s.n. Placer 4 mi. west of Auburn. Comment
  CAS-BOT-BC47062  Arctostaphylos viscida subsp. viscida Mary E. Jump 1939-3-30 s.n. Placer Alta. 1097 Comment
  CAS-BOT-BC47063  Arctostaphylos viscida subsp. viscida W. R. Dudley 1909-8-16 s.n. Placer Dutch Flat. 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
  SBBG28880  Arctostaphylos viscida subsp. viscida C. B. Wolf 1930-10-11 993 Placer near Alta 1127 Comment
  UC1121445  Arctostaphylos viscida subsp. viscida N. French 1934-5-29 378 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle Comment
  UC193055  Arctostaphylos viscida subsp. viscida C. F. Sonne 1891-4-5 Placer between Auburn and Newcastle Comment
  UC565982  Arctostaphylos viscida subsp. viscida N. French 1934-6-1 396 Placer n fork of North Fork of America River Colfax Quadrangle 1402 Comment
  RSA123204  Arctostaphylos viscida subsp. viscida N. H. French 1934-6-1 396 Placer N. Fork of N. Fork of American River. 1402 Comment
  CDA15941  Arenaria congesta var. congesta G. F. Hrusa, J. Glazner 1999-7-17 15149 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1125757  Arenaria kingii var. glabrescens N. French 1934-6-22 448 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle 2286 Comment
  UC543761  Aristolochia californica Charles L. Phillips 1928-3-25 Placer Auburn Comment
  JEPS126320  Arnica chamissonis Steve Matson 1998-7-12 330 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards NNE of vernal pools which are just north of Highway 267. Comment
  JEPS126337  Arnica chamissonis Steve Matson 1997-7-5 33 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Wildlife Area; 50 yards north of Highway 267 and 20 yards west of Martis Creek. Comment
  JEPS20873  Arnica dealbata C. F. Sonne 1888-8-12 473 Placer Truckee River Sierra Nevada Mountains Comment
  SBBG128842  Arnica dealbata G. K. Helmkamp, E. A. Helmkamp 2010-8-14 16778 Placer American Hill Rd, (Forest Route 13), 4.7 mi S of its jct with Foresthill Rd and just S of a crk crossing 1552 Comment
  UC193451  Arnica mollis C. F. Sonne 1886-8-9 Placer above Coldstream Comment
  UC29592  Arnica mollis Miss M. E. Parsons 1896-8-1 Placer Deer Park, (Lake Tahoe) Comment
  UC197325  Arnica nevadensis C. F. Sonne 1897-7-1 Placer Mt. Anderson (e slope) Sierra Nevada Mountains 2438 Comment
  UCD21690  Arnica parryi Beth Lowe Corbin 1982-8-17 360 Placer 2 2/3 miles WSW of The Cedars. 1935 Comment
  CDA15949  Artemisia arbuscula G. F. Hrusa, J. Glazner 1999-7-17 15135 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1119382  Artemisia arbuscula N. French 1934-6-22 450 Placer 7/8 mi from Lake Dulzura; Truckee Quadrangle Comment
  UCD43122  Artemisia cana subsp. bolanderi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 490 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC90713  Artemisia ludoviciana subsp. incompta C. F. Sonne 1887-8-7 s.n. Placer Mts. above Coldstream Comment
  CAS-BOT-BC90716  Artemisia ludoviciana subsp. incompta John Thomas Howell 1943-7-26 18856 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  UC193585  Artemisia norvegica subsp. saxatilis C. F. Sonne Placer mts. head of Bear Creek (on Truckee River); Truckee River, Bear Creek Comment
  UC480756  Artemisia tridentata W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  SEINET5780630 Image available Asarum lemmonii Marcus E. Jones 1882-1 3499 Placer Emigrant Gap Comment
  UC6195  Asarum lemmonii Mrs. M. M. Hardy 1893-1 Placer Comment
  SBBG50998  Asclepias cordifolia N. R. Zabriskie, W. Zabriskie 1973-6-7 668 Placer Emigrant Gap,off Interstate 80 W of Donner Pass 1615 Comment
  SDSU2521  Asclepias cordifolia D. R. Harvey 1960-5-29 Placer Near Forest Hill Comment
  UC879249  Asclepias cordifolia Marcus E. Jones, A. M. 1882-6-30 2802 Placer Emigrant Gap Comment
  OBI2877  Asclepias cordifolia Richard Fowler 1970-5-10 RF- 110 Placer Lincoln-Newcastle hwy 2.5 mi E Lincoln 61 Comment
  POM76173  Asclepias fascicularis Marcus E. Jones 1882-7-8 s.n. Placer Auburn Comment
  UC878990  Asclepias fascicularis Marcus E. Jones, A. M. 1882-7-8 Placer Auburn Comment
  UCD150267  Asclepias speciosa James A. Neilson Jr. 1971-7-25 2283 Placer Tahoe Basin, King's Beach. 1901 Comment
  UC1874971  Aspidotis densa Ruth Kirkpatrick 2001-7-16 1062 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  CHSC74191  Aster alpigenus var. andersonii Susi Urie 1998-9-2 98 218 B Placer Lake Tahoe Basin Management Unit - National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  POM57913  Aster breweri A. M. Carpenter 1892-08 5049 Placer [No locality information on label] Comment
  CDA25010  Aster occidentalis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCR171348  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9983 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
  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
  UCR257623  Aster occidentalis var. occidentalis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19529 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  UCR170820  Aster occidentalis var. yosemitanus George K. Helmkamp, E. A. Helmkamp 2005-9-30 9945 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  RSA473519  Aster oregonensis subsp. californicus Wm. Martin 1971-9-10 20245 Placer 1 mile north of Gold Run on Hwy 80 Comment
  UCR146921  Aster oregonensis subsp. californicus Beecher Crampton 1961-9-27 6020 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  SCFS1187  Asteraceae E. Krimmel 2014-4-21 Placer NFAm. 200 yards south of Pt. Mariah warming hut Comment
  POM16217  Astragalus austiniae C. F. Sonne 1897-7-17 1747 Placer Tinker Knob. Comment
  UC197202  Astragalus austiniae C. F. Sonne 1897-7-18 Placer Tinker's Knob 2743 Comment
  CAS-BOT-BC177512  Astragalus austiniae Sherman Chickering 1982-7-13 s.n. Placer Summit of Tinkers Knob, south of Donner Summit 2743 Comment
  UCD38789  Astragalus purshii Beecher Crampton 1958-6-24 4957 Placer Placer Counter: About 4 miles southeast of Truckee, eastern edge of Martis Valley. Placer-Nevada County line. Comment
  POM11063  Astragalus whitneyi C. F. Sonne 1897-07 1817 Placer Tinker Knob 2744 Comment
  UCD34021  Asyneuma prenanthoides Beecher Crampton 1975-9-9 9272 Placer Placer County, Tahoe National Forest, ca. 1 mile N.E. of Blue Canyon post office. 1524 Comment
  CAS-BOT-BC69563  Athyrium alpestre subsp. americanum M. E. Parsons 1911-8-19 s.n. Placer Page Meadow, Lake Tahoe. Comment
  RSA692495  Athyrium americanum Elizabeth Flint 1932-08 17 Placer Summit, Near Donner Lake 2439 Comment
  JEPS73119  Athyrium distentifolium var. americanum Gladys L. Smith 1972-8-25 3433 Placer meadow below n cirque Granite Chief 2575 Comment
  UC399390  Athyrium filix-femina var. cyclosorum Mrs. Carlotta C. Hall July 1912 Placer Lindsay; Middle Fork Feather River 1249 Comment
Read comments
Oct 12 2010
  SEINET11193207  Athysanus pusillus F. Martin 1962-3-16 74 Placer Above the North Fork Yuba River, 2 miles E of Auburn. 274 Comment
  RSA43812  Balsamorhiza deltoidea D. F. Howe 1948-5-23 s.n. Placer American River 305 Comment
  SD43641  Balsamorhiza deltoidea Darley F. Howe 1948-5-23 1859 Placer American River 305 Comment
  UC1278006  Balsamorhiza macrolepis B. Crampton 1957-5-7 3983 Placer 3.2 miles north of Roseville, along the railroad and U.S. Highway. 99 E. Comment
  JEPS32255  Balsamorhiza macrolepis Alice King 1920 Placer Rattlesnake Bend Comment
  CAS-BOT-BC100094  Balsamorhiza sagittata John H. Thomas; Hazelle A. Thomas 1956-7-21 6090 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC16555  Barbarea orthoceras George B. Grant 1906-7-15 6954 Placer Lake Tahoe. Tahoe Tavern. 1889 Comment
  CAS-BOT-BC16558  Barbarea orthoceras Saichi Kawahara 1969-7-6 1417 Placer Mel Henderson Ranch, east bank of Indian Creek. Swing near old cabin. 999 Comment
  RSA0037368  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-5-3 20485 Placer Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 ) of Foresthill 829 Comment
  UCD41245  Barbarea orthoceras Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1700 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main St. 1066 Comment
  UCR120235  Barbarea orthoceras George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5071 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  UCR250689  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20353 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
  CHSC96575  Bellardia trixago L. P. Janeway 2006-5-10 8594 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. 43 Comment
  CAS-BOT-BC75989  Berberis pumila C. Hart Merriam 1911-11-5 s.n. Placer Near Dutch Flat. Comment
  CHSC73977  Bistorta bistortoides Susi Urie 1998-8-26 98 -106 Placer Lake Tahoe Basin Management Unit - National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CAS-BOT-BC100274  Blennosperma nanum var. nanum Carl B. Wolf 1937-3-30 8350 Placer Sacramento Valley, 4 8/10 mi. E. of Lincoln on Penryn Road 91 Comment
  UCD22335  Boechera Rex Palmer 1979-6-20 N 326 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22355  Boechera Rex Palmer 1979-6-21 N 380 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC11070  Boechera breweri Lowell Ahart 1964-7-3 Placer On trail to Placer Queen Mine. 1676 Comment
  CHSC74208  Boechera divaricarpa Susi Urie; Eric Schroder 1998-9-8 98 -279 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
  CAS-BOT-BC14251  Boechera pinetorum John Thomas Howell 1943-7-25 18816 Placer West side of Donner Pass near Norden. 2133 Comment
  CAS-BOT-BC14480  Boechera platysperma John H. Thomas; Hazelle A. Thomas 1956-7-21 6160 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC14704  Boechera rectissima Katharine Brandegee s.n. Placer Tahoe Tavern. Comment
  CAS-BOT-BC25781  Boechera stricta Alice Eastwood 1909-1-1 125 Placer Lake Tahoe Region. Sunnyside. 1981 Comment
  CAS-BOT-BC418414  Boykinia occidentalis W. R. Dudley 1909-8-1 s.n. Placer Little Bear Valley Comment
  CDA37219  Briza minor CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000457  Briza minor D. Meyer 1984-5-6 Placer 145.5 Comment
  SACT000474  Briza minor Josephine Van Ess 1976-3-16 Placer Collected at intersection; gravel slope 91.5 Comment
  SEINET4183117 Image available Briza minor C. L. Hitchcock 1940-5-14 6389 Placer Meier Ranch, circa 6 Miles North of Colfax. 762 Comment
  SEINET4344869  Briza minor A. Tiehm, Hugh Mozingo, Margaret Williams, Emily McPherson 1975-1 621 Placer one mile north of Lincoln Comment
  UCR231890  Briza minor George K. Helmkamp, E. A. Helmkamp 2011-4-10 17145 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCD77163  Brodiaea appendiculata Robert E. Preston 2004-4-25 2225 Placer Ca. 4 mi NE of Sheridan, along Camp Far West Rd 32 Comment
  CAS-BOT-BC482162  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  UCD13323  Brodiaea elegans subsp. elegans Kristy S. Howard 1989-6-3 160 Placer Dry creek rd. 365 Comment
  CAS-BOT-BC484260  Brodiaea elegans var. elegans John Thomas Howell; Gordon H. True 1971-5-26 47638 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC484261  Brodiaea elegans var. elegans R. F. Hoover 1965-6-24 9450 Placer 1 mi. n. of Auburn on road to Grass Valley (Highway 49) Comment
  CAS-BOT-BC484263  Brodiaea elegans var. elegans S. P. Rixford 1914-6-22 s.n. Placer Loomis Comment
  UCD36670  Bromus carinatus Beecher Crampton 1955-6-15 2906 Placer Placer County, Yankee Jims. 807 Comment
  RSA0034726  Bromus carinatus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  SEINET4345208  Bromus carinatus W. D. Billings 1940-5-18 1302 Placer Gold Run 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
  JEPS127502  Bromus carinatus var. carinatus Steve Matson 1997-7-5 37 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  UC1130978  Bromus carinatus var. carinatus B. Bolt 1934-8-14 Placer e slope of Red Star Ridge Red Star Ridge 1767 Comment
  UCD22242  Bromus carinatus var. carinatus Rex Palmer 1979-7-9 N 448 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD36651  Bromus commutatus Beecher Crampton 1955-6-15 2862 Placer Placer County, 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. Comment
  SACT000526  Bromus diandrus D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  SACT000529  Bromus diandrus D. Meyer 1983-6-18 Placer 1170.0 Comment
  SACT000495  Bromus hordeaceus D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure 231.648 Comment
  CAS-BOT-BC155064  Bromus hordeaceus Peter H. Raven 1954-4-16 6606 Placer 7 miles south of Lincoln on road to Roseville. Comment
  SEINET4399678  Bromus hordeaceus W. D. Billings 1940-5-18 1312 Placer Gold Run Comment
  SACT000569  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  SACT000552  Bromus inermis D. Meyer 1984-7-21 Placer Lake shore dr. at villas rd, moist roadside ditch and in densely shaded pine stand. 1891.0 Comment
  CAS-BOT-BC155328  Bromus laevipes A. A. Beetle 1941-5-26 2726 Placer Near Cisco. 914 Comment
  SACT000598  Bromus laevipes D. Meyer 1984-6-10 Placer 3.2 km southwest of Colfax, steep shady cliff along slowly moving stream 606.0 Comment
  SEINET10520254  Bromus laevipes Alan A. Beetle 1941-5-26 Beetle 2726 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Festuca pacifica, megalura, Bromus rigidus. 914 Comment
  SACT000633  Bromus madritensis D. Meyer 1983-6-5 Placer along roadside turn-off 487.68 Comment
  UCD59014  Bromus madritensis Beecher Crampton 1955-6-15 2923 Placer 10 miles west of Forest Hill. Comment
  SACT000654  Bromus marginatus Michael Baad 1976-6-17 Placer 1097.28 Comment
  SACT000694  Bromus marginatus D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT000697  Bromus marginatus D. Meyer 1983-7-30 Placer campground along Truckee River 1853.18 Comment
  UCR146674  Bromus marginatus Beecher Crampton 1985-6-23 9998 Placer Sierra Nevada Mtns., North Shore Lake Tahoe, Stateline Road 1905 Comment
  SACT000613  Bromus molliformis Josephine Van Ess 1977-4-1 Placer 3/4 mile from end of Industrial Ave. Low area between road and railroad tracks with a few cottonwood trees. 39.6 Comment
  SACT000711  Bromus mollis Michael Baad 1983-4-17 Placer 411.48 Comment
  CAS-BOT-BC162165  Bromus orcuttianus R. F. Hoover 1967-9-7 10858 Placer Antone Meadow. Comment
  CAS-BOT-BC162166  Bromus orcuttianus L. S. Smith 1925-9-10 1727 Placer Tahoe Forest. Near Emigrant Gap. 1524 Comment
  SBBG22672  Bromus orcuttianus M. S. Walters 1960-6-21 Placer Hwy 89 just S of Tahoe City, 0.3 mi S of Truckee River Bridge Comment
  SBBG22674  Bromus orcuttianus M. S. Walters 1960-6-22 Placer Hwy 28 at Brockway, Lake Tahoe Comment
  SBBG26324  Bromus orcuttianus B. Crampton 1964-7-21 Placer Blue Cyn 1430 Comment
  SEINET238822 Image available Bromus orcuttianus Beecher Crampton 1967-7-26 8152 Placer North end of Lake Tahoe ca. 3 miles northwest of Kings Beach near summit on Highway 267. 1920 Comment
  UCR151937  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Sierra Nevada Mountains, Blue Canyon 1431 Comment
  SACT000718  Bromus rubens Michael Baad 1977-6-8 Placer On road between Forest Hill and French Meadows roadside in serpentine-chaparral community 914.4 Comment
  SACT001000  Bromus rubens Michael Baad 1983-6-27 Placer 1219.2 Comment
  SEINET4404457  Bromus rubens A. Tiehm, M. Williams, E. McPherson, H. Mozingo 1975-1 611 Placer One mile north of Lincoln Comment
  CAS-BOT-BC161588  Bromus sterilis Saichi Kawahara 1969-7-9 854 Placer Near garden, Mel Henderson Ranch, Indian Creek. 1005 Comment
  CDA16985  Bromus sterilis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16038 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SACT000674  Bromus sterilis Josephine Van Ess 1975-5-23 Placer west side of top rocky crown of the hill. Shaded sheltered by arge rocks wooded area. 915.0 Comment
  SACT000677  Bromus sterilis Michael Baad 1983-5-5 Placer streamside picnic area at junction. on Bear River. 3 miles southwest of Colfax, shaded moist site. 609.0 Comment
  CHSC82661  Bulbostylis capillaris Lowell Ahart 2002-7-22 9908 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  UCR2267  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass 2287 Comment
  CAS-BOT-BC185465  Calamagrostis canadensis Peter Rubtzoff 1976-9-18 8848 Placer Sierra Nevada. Lake Van Norden. South side of lake. 2063 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
  UCD43041  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 410 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS111134  Callitriche heterophylla subsp. bolanderi Steve Matson 2005-5-24 1241 Placer Southeast of Truckee, Martis Creek Wildlife Area, 100 meters north of 267, 50 meters west of creek. 39.3033 N 120.1211 W, elevation 5,840 ft. 1780 Comment
  UCSB45754  Callitriche marginata Reisentz, Paul 1979-5-11 Placer 1 mile south of Sheridan on Highway 65 Comment
  CHSC3436  Calochortus albus Judy Potter 1966-4-8 Placer Folsom-Auburn Pony Express Trail. Area of P. G. E. reservoir above Rattlesnake Bar. Comment
  UCR208550  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14678 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UCR253531  Calochortus albus George K. Helmkamp, Amy Barnes 2014-4-23 22795 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
  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
  SD243045  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16672 Placer Northern Sierra Nevada Mountains: Soda Springs Road, 0.3 mile north of its junction with Forest Hill Road at Robinson Flat. 2024 Comment
  UCD150569  Calochortus leichtlinii James A. Neilson Jr. 1971-7-7 2204 Placer Tahoe Basin, Lower Ward Creek #102. 1905 Comment
  CAS-BOT-BC490163  Calochortus leichtlinii Greg de Nevers 1995-8-20 10767 Placer Lake Tahoe 2133 Comment
  HSC15401  Calochortus leichtlinii R. G. Means 1962-6-28 47 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  UC3403  Calochortus leichtlinii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD150567  Calochortus minimus James A. Neilson Jr. 1971-7-17 2239 Placer Tahoe Basin, McKinney Lake drainage. 2023 Comment
  UCR208587  Calochortus minimus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14652 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  UC197247  Calochortus monophyllus C. F. Sonne 1891-5-17 Placer Colfax Comment
  CAS-BOT-BC493405  Calochortus monophyllus Georgia Bentley 1919-4-20 s.n. Placer At Auburn near river Comment
  CAS-BOT-BC493406  Calochortus monophyllus Alice M. King 1923-5-1 s.n. Placer Placerville Comment
  UC614454  Calochortus monophyllus L. Constance, J. L. Morrison 1938-4-30 2172 Placer e edge Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  SEINET8197646  Calochortus nudus W. Roderick, R. Halliday 1967-6-10 s.n. Placer N. of Emigrant Gap. 1524 Comment
  CAS-BOT-BC493448  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles north of Colfax Comment
  SD237303  Calycadenia multiglandulosa G. K. Helmkamp, E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  UC935701  Calycadenia multiglandulosa David D. Keck and J. Clausen 1932-7-1 1590 Placer 2 mi n of Auburn 426 Comment
  UC419713  Calycadenia multiglandulosa Mrs. H. P. Bracelin 1930-10-12 101 Placer 1st summit n of, on Georgetown Rd. Colonia Comment
  POM298237  Calycadenia multiglandulosa subsp. bicolor D. D. Keck, J. Clausen 1932-7-1 1590 Placer 2 miles north of Auburn 427 Comment
  UC7770  Calyptridium monospermum C. J. Fox 1895-7-1 Placer Deer Park Inn Comment
  UCR216033  Calyptridium monospermum George K. Helmkamp, Amy Barnes 2009-7-12 15187 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  SCFS5090  Calystegia malacophylla F. Felix, Erica Krimmel 2013-5-19 11 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  CDA33597  Calystegia occidentalis subsp. fulcrata Dale Woods 2010-8-12 s.n. Placer Finning Mill Road. One mile more or less to Hughes Mill. 0 Comment
  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
  JEPS124664 Image available Camassia leichtlinii subsp. suksdorfii Dixie Funnell 1965-6-27 24 Placer Highway 89 south of Truckee 4.5 miles west of Truckee river. Comment
  JEPS124665 Image available Camassia leichtlinii subsp. suksdorfii Laurie Hooker 1965-6-27 25 Placer 3.7 miles past Montreal Road So on Hi 89. Meadow at left road. Comment
  JEPS59465  Camassia quamash subsp. breviflora Ezra Brainerd and Viola B. Baird Jun 26 1915-Jul 5 1915 202 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1920 Comment
  RSA456178  Campanula prenanthoides P. A. Munz 1934-7-9 12733 Placer Emigrant Gap. Comment
  SEINET4691669  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-1 16783 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. 1552 Comment
  JEPS111306  Cardamine breweri Steve Matson 2005-7-4 1377 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; along fenceline; 39.2866 N, 120.1401 W: elevation 5,900 ft. 1798 Comment
  CHSC74210  Cardamine breweri var. breweri Susi Urie; Eric Schroder 1998-9-12 98 -360 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
  UC170120  Cardamine cordifolia var. lyallii Miss Helen D. Geis 1912-6 65 Placer Deer Park Comment
  JEPS49030  Carex Leland S. Smith 1937-8-12 2236 Placer below Squaw Peak (upper end of basin); Tahoe Forest, Squaw Peak Basin 2286 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-BC19071  Carex aurea John Thomas Howell 1938-8-2 14002 Placer 5 miles north of Brockway. Comment
  UCD140156  Carex bolanderi John Thomas Howell 1960-6-17 35491 Placer Lassen Volcanic National Park, Drakesbad. 1676 Comment
  SEINET7484378 Image available Carex capitata P. F. Zika, Steve Matson 2009-1 24621 Placer Snow Creek watershed, North Shore of Tahoe Basin, east beyond North Avenue, town of Kings Beach, norther Sierra Nevada highlands (n SNH) 1920 Comment
  JEPS2511  Carex davyi J. Burtt Davy Jun 25 1897-Jun 30 1897 3266 Placer meadows by river; Truckee River Basin; Truckee River Basin, Placer Co. Comment
  CAS-BOT-BC34439  Carex deflexa var. boottii John Thomas Howell 1943-7-21 18645 Placer Donner Pass to Mt. Lincoln. Comment
  SEINET11630191  Carex deflexa var. boottii M. E. Jones 1889-1 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC34936  Carex densa Alice Eastwood; John Thomas Howell 1937-5-8 4364 Placer Near Rocklin. Comment
  CAS-BOT-BC20582  Carex douglasii W. R. Dudley 1893-6-7 s.n. Placer By railroad west of Truckee. Comment
  POM80902  Carex exserta Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  CAS-BOT-BC20168  Carex filifolia var. erostrata Marcus E. Jones 1882-6-18 s.n. Placer Emigrant Gap. Comment
  UCD21842  Carex filifolia var. erostrata Rex Palmer 1979-7-19 N 235 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET7587709 Image available Carex fracta Robert F. C. Naczi 2006-8-3 11406 Placer Ca 4.2 mi E of town of Cisco Grove, 1.0 mi W of Nevada Co border, S of E-bound lanes of I-80, 0.4 mi W of overpass for exit 171 (Kingvale Exit). 1852 Comment
  RSA22116  Carex fracta J. T. Howell 1938-8-2 14012 Placer Near Calneva. 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
  CDA16044  Carex heteroneura G. F. Hrusa, J. Glazner 2000-9-3 15668 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  SD482  Carex heteroneura Darley F. Howe Jul 1915 72 A Placer Donner Comment
  CHSC110728  Carex hoodii Dean Wm. Taylor 2010-8-10 20991 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 Comment
  UC1133388  Carex hoodii H. S. Yates 1936-8-9 5993 Placer 2 mi sw Martis Peak; Truckee Quadrangle Comment
Read comments
Aug 8 2010
  UCD44478  Carex hoodii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1844 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC74290  Carex integra Susi Urie; Eric Schroder 1998-9-8 98 -294 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SEINET10710002  Carex integra Lewis S. Rose 1939-6-5 Rose 39216 Placer Bear Valley, near Emigrant Gamp. 1372 Comment
  CAS-BOT-BC35501  Carex jonesii Lewis S. Rose 1944-7-26 44280 Placer Chambers Lodge, Lake Tahoe 1920 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
  UCD43137  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 505 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD42832  Carex leporinella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 198 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  OBI49281  Carex luzulifolia Unknown 1882-6-29 2907 Placer Emigrant Gap Comment
  SEINET5786653 Image available Carex luzulifolia Marcus E. Jones 1882-1 2907 Placer Emigrant Gap Comment
  CAS-BOT-BC31695  Carex mariposana John Thomas Howell 1943-7-26 18852 Placer Sugar Bowl NW of Mt. Lincoln Comment
  UCD149413  Carex microptera G. Ledyard Stebbins 1976-7-6 7692 Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD74079  Carex microptera Jennifer W. Burt 2006-7-1 171 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. 1975 Comment
  UCR235589  Carex multicaulis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18929 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  CHSC68061  Carex multicostata James D. Jokerst 1986-7-13 2703 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  UCD43373  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 741 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  RSA121768  Carex multicostata N. H. French 1934-6-21 431 Placer Northwest end of Kid Lake. 2012 Comment
  CHSC74296  Carex nebrascensis Susi Urie 1998-9-3 98 -224 Placer Lake Tahoe Basin. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  JEPS49029  Carex nebrascensis Leland S. Smith 1927-8-12 2239 Placer Upper Squaw Creek Basin 2286 Comment
  UCD43829  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1195 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS14034  Carex nudata Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Juan Hunziker, Alex Hawkes, ... 1952-7-19 3851 Placer 1/2 mi above bridge on Iowa Hill to Colfax road (below Cape Horn on the S.P. RR); North Fork of the American River 381 Comment
  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
  CAS-BOT-BC119033  Carex pellita John Thomas Howell 1943-7-22 18715 Placer Summit Valley 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
  CHSC74294  Carex pellita Susi Urie; Eric Schroder 1998-9-11 98 -346 Placer Lake Tahoe Basin Management Unit, National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC118341  Carex praegracilis Bolander 4549 Placer Meadows near Auburn Comment
  CHSC68063  Carex rossii James D. Jokerst 1986-7-12 2697 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  CAS-BOT-BC117696  Carex simulata John Thomas Howell 1943-7-22 18696 Placer Summit Valley Comment
  CAS-BOT-BC117695  Carex simulata James A. Neilson 1971-8-22 2372 Placer Near King's Beach. Comment
  JEPS73206  Carex spectabilis Gladys L. Smith 1972-8-25 3405 Placer e-facing slope betw. Shirley chairlift and Watson Memorial (Granite Chief tr.); Granite Chief tr. 2529 Comment
  RSA20148  Carex stipata Alice Eastwood, John Thomas Howell 1937-5-8 4361 Placer Between Newcastle and Penryn. Comment
  CDA13692  Carex subfusca G. F. Hrusa, J. Glazner 1997-8-3 14052 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  RSA35097  Carex subfusca L. S. Rose 1944-7-10 44042 Placer Quail Lake, 3 miles W of Chambers Lodge Lake Tahoe. 2134 Comment
  UCD149411  Carex subfusca G. Ledyard Stebbins 1976-7-6 7691 Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CHSC74314  Carex utriculata Susi Urie; Eric Schroder 1998-9-12 98 -358 Placer Lake Tahoe Basin Management Unit. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCD43068  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 436 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD83800  Carex utriculata Angela Calderaro 2009-7-8 s. n. Placer Truckee, near Donner Creek, SE of the intersection of Coldstream Rd. and Deerfield Dr. 1802 Comment
  CHSC74316  Carex vesicaria Susi Urie 1998-9-4 98 -263 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UC1100568  Carex vesicaria Malcolm A. Nobs, S. Galen Smith 1949-8-21 1517 Placer n end Lake Tahoe (marsh between Sandy Beach and Agate Bay) Comment
  OBI20168  Carex whitneyi David J. Keil 1978-7-23 12945 Placer Cisco Grove exit from I-80, just E of Nevada Co line. So fork of Yuba River 1768 Comment
  UC1256291  Carex whitneyi R. K. Gierisch 1969-7-11 3523 Placer Big Bend Tahoe Forest Comment
  POM131973  Cassiope mertensiana subsp. californica C. F. Sonne 1897-8-14 s.n. Placer Mt. Anderson Comment
  UC21989  Cassiope mertensiana subsp. californica A. M. Carpenter Aug 1892 Placer Sierra Nevada Mts. Comment
  CAS-BOT-BC248978  Castilleja Saichi Kawahara 1969-5-24 829 Placer Overlooking north fork of the American River. On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  SCFS11529189  Castilleja E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  CAS-BOT-BC249082  Castilleja affinis Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4011 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  JEPS88816  Castilleja affinis subsp. affinis T. I. and F. M. Chuang 1991-6-29 7838 Placer Gold Run Comment
  CHSC91654  Castilleja applegatei M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 247 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  SCFS1148  Castilleja applegatei E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  CHSC24674  Castilleja applegatei subsp. martinii T. C. English 1976-4-18 36 Placer Located ca 100 yds sw of Hwy 49 2 mi e of Auburn cith limits. 335 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
  RSA463234  Castilleja applegatei subsp. pinetorum J. H. Nishida 1985-7-10 771 Placer Homewood. 1829 Comment
  UCR250687  Castilleja applegatei subsp. pinetorum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20354 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
  UCD122325  Castilleja attenuata M. H. Mills 1996-4-12 130 Placer 5830 Walden Lane, Loomis. 180 Comment
  RSA35122  Castilleja miniata L. S. Rose 1944-7-25 44248 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UC174625  Castilleja miniata A. A. Heller 1909-7-16 9850 Placer Summit 2133 Comment
  UC198547  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198555  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
  RSA45352  Castilleja miniata L. S. Smith 1939-7-19 2862 Placer Lee Lakes. Tahoe. 2134 Comment
  UCD18257  Castilleja pilosa E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 468 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  JEPS103926  Castilleja pruinosa T. I. and F. M. Chuang 1991-6-29 7841 Placer Sugar Pine Reservoir Dam. Comment
  JEPS4341  Castilleja tenuis W. L. Jepson 1931-6-16 15929 Placer Tahoe Vista; Lake Tahoe 2042 Comment
  UCR228705  Ceanothus William Williams 1986-6-15 s.n. Placer Norden, hill at top of ski lift Comment
  CAS-BOT-BC47852  Ceanothus cordulatus John F. Emmel 1971-7-11 378 Placer Donner Pass - In rocky area about 50 feet from a small steam. 0.2 air mile ENE of north end of Lake Mary 2158 Comment
  CAS-BOT-BC47854  Ceanothus cordulatus Brandegee 1889-7-1 7 Placer Donner Comment
  CAS-BOT-BC47856  Ceanothus cordulatus M. E. Parsons 1909-6-1 s.n. Placer Aspengrove Comment
  CAS-BOT-BC47892  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  CAS-BOT-BC47893  Ceanothus cordulatus E. A. McGregor 1909-8-12 87 Placer Grass Lake 2194 Comment
  CAS-BOT-BC47894  Ceanothus cordulatus Sachs 1922-7-1 1216 Placer Lake Tahoe Comment
  CAS-BOT-BC47896  Ceanothus cordulatus Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  RSA0053704  Ceanothus cordulatus G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19222 Placer Northern Sierrra Nevada Mountains: Devil's Thumb Rd (Deadwood Rd), 1.2 mi S of its jct with Foresthill Rd 1648 Comment
  UC662662  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Chambers Lodge (McKinney) Lake Tahoe 1900 Comment
  UCD22207  Ceanothus cordulatus Rex Palmer 1979-5-26 N 26 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET5339240  Ceanothus cordulatus P. A. Lehenbauer 1932-6-26 s.n. Placer Tahoe City Comment
  SACT002903  Ceanothus cuneatus Michael Baad 1976-6-16 Placer Collected on trailhead along road between Robinson Flat Soda Springs. Comment
  SEINET5339268  Ceanothus cuneatus L. Killinger 1962-3-17 s.n. Placer 3 mi east of Auburn, north fork of the American River. 366 Comment
  SEINET5339275  Ceanothus cuneatus J. Ridley 1959-3-29 1 Placer 3 mi south of Auburn on Hwy 49 442 Comment
  UCR188843  Ceanothus cuneatus subsp. cuneatus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11714 Placer Foothills, Northern Sierra Nevada Mountains, Forest Hill Road at the junction with the unnamed road to Lake Clementine 457 Comment
  UCR238579  Ceanothus cuneatus subsp. cuneatus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18656 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UC1071068  Ceanothus cuneatus var. cuneatus J. E. Sowder, R. W. Lundh 1933-4-22 54 Placer 1 mi ne. Colfax Hwy; Colfax quad. 731 Comment
  UCD112096  Ceanothus cuneatus var. cuneatus Daniel I. Axelrod 1983-9-18 E- 4 Placer just south of Nevada/Placer County border, by roadside on upper south slope of low ridge. 50 feet from summit, 100 yards SSE from top of Soda Springs ski lift (now abandoned.) Comment
  UCD22202  Ceanothus fresnensis Rex Palmer 1979-5-26 N 4 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  UC112945  Ceanothus integerrimus Katharine Brandegee 1908-7-17 Placer Blue Canyon Comment
  UC1602375  Ceanothus integerrimus Katharine Brandegee 1889-7-7 Placer Blue Canyon Comment
  UC1602377  Ceanothus integerrimus Katharine Brandegee 1889-7-7 Placer Blue Canyon Comment
  UC18350  Ceanothus integerrimus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD111955  Ceanothus integerrimus Amelie Blyth 1952-5-11 9 -3 Placer Along Auburn-Forest Hill road, about 14 miles from Forest Hill. Comment
  UCD112016  Ceanothus integerrimus Ray Prag 1973-8-15 s.n. Placer South side of Highway 80, at interchange east of Baxter. 1219 Comment
  CAS-BOT-BC51040  Ceanothus integerrimus var. macrothyrsus G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC51154  Ceanothus lemmonii J. Walker 1941-5-11 107 Placer 35 miles past Auburn on Highway 40 on road to Lake Tahoe Comment
  CAS-BOT-BC51156  Ceanothus lemmonii H. E. McMinn 1926-5-29 1755 Placer 10.6 mi. West of Crystal Springs, road to Truckee Comment
  SACT002943  Ceanothus lemmonii Michael Baad 1983-2-26 Placer On trail to Poor Man's Canyon on trail to El Dorado Canyon Comment
  UCD33846  Ceanothus leucodermis Beecher Crampton 1973-10-2 9021 Placer Placer County, 1 mile east of Baxter. 1280 Comment
  CAS-BOT-BC63355  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63358  Ceanothus prostratus Mary E. Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  POM285193  Ceanothus prostratus Lyman Benson 1932-7-31 4025 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  UC80013  Ceanothus prostratus Katharine Brandegee 1889-4 Placer Blue Canyon Comment
  RSA790859  Ceanothus tomentosus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18946 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  UC1071448  Ceanothus tomentosus N. French 1933-5-16 58 Placer 4 mi se Colfax; Colfax quad. Comment
  RSA95357  Ceanothus tomentosus Hamilton Peers 1933-5-12 s.n. Placer Colfax Comment
  CAS-BOT-BC52885  Ceanothus tomentosus var. tomentosus H. L. Mason 1926-5-29 3286 Placer Donner Pass Road near Alta Comment
  CAS-BOT-BC52401  Ceanothus velutinus var. velutinus Sachs 1922-7-1 s.n. Placer Lake Tahoe Comment
  UC1119120  Centaurea melitensis C. R. Clar 1933-5-5 114 Placer e of Newcastle; Sacramento 182 Comment
  UCR218231  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16406 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CDA7328  Centaurea solstitialis T. C. Fuller 1958-4-15 3800 Placer 1 mile south of Roseville. 0 Comment
  UCD130182  Centromadia fitchii J. Kirkpatrick 1952-7-23 s.n. Placer Loomis. Comment
  SEINET11170789  Cephalanthus occidentalis J. F. 1972-10-8 8230 Placer Auburn; along American River in fertile soil 762 Comment
  UCD150310  Cerastium glomeratum James A. Neilson Jr. 1971-9-9 2602 Placer Tahoe Basin, Tahoe City, McBride's nursery (Tahoe Tree Company.) 1889 Comment
  CAS-BOT-BC388352  Cerastium glomeratum Alice Eastwood 1912-6-15 448 Placer Tahoe City, Lake Tahoe Region Comment
  NY803929  Cerasus kelloggiana M. E. Jones 1882-5-28 2693 Placer Emigrant Gap. Comment
  UCD159478  Chaenactis douglasii D. S. Park 2010-8-21 231 Placer Off Hampshire Rocks Rd. Shaded understory. Not adundant. Few individuals near dried creek bed. 1806 Comment
  CHSC45110  Chaenactis douglasii var. douglasii Lowell Ahart 1972-7-7 136 Placer Near the Middle Fork of the American River, about 1/10 mile south-east of Ahart Camp, French Meadows. 1524 Comment
  JEPS59467  Chaenactis douglasii var. douglasii Ezra Brainerd and Viola B. Baird 1915-7-27 204 Placer Bear Rock Sierra Nevada Mts., Truckee River 1889 Comment
  SEINET9341069  Chaenactis douglasii var. douglasii Unknown 1967-9-3 6790 Placer Placer Comment
  CDA19578  Chamaebatia foliolosa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 252 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
  SBBG70529  Chamaebatia foliolosa M. N. Ackley -Jun-1925 948 Placer Gold Run 983 Comment
  UC615243  Chamaebatia foliolosa Beryl O. Schreiber 1932-9-11 758 Placer near Colfax Comment
  UCD112924  Chamaebatia foliolosa R. Bladin 1992-6-7 13 Placer Forest Hill near parket lot. 975 Comment
  UCD112926  Chamaebatia foliolosa Alan B. Chan 1977-5-28 27 Placer Mosquito Ridge Road, 1.6 rd mi. SE of Auburn-Foresthill Road. Comment
  UCD112939  Chamaebatia foliolosa K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles east of Forest Hill (town). Western Sierra foothills. 900 Comment
  SEINET6336151  Chamaebatia foliolosa W. D. Billings 1940-5-18 1318 Placer Area around Placer mines Gold Run Comment
  CHSC10565  Chamaesaracha nana Lowell Ahart 1964-7-3 Placer Ahart camp, French Meadows. 1676 Comment
  UC128212  Chamaesyce serpyllifolia Miss Harriet A. Walker 1908-7-25 1390 Placer Cisco 1810 Comment
  UCD43132  Chamaesyce serpyllifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 500 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 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
  UCD44004  Chamerion angustifolium subsp. circumvagum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1370 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC70193  Cheilanthes gracillima F. A. MacF. 1934-3-30 12534 Placer Dutch Flat Comment
  CAS-BOT-BC70196  Cheilanthes gracillima Geo. B. Grant 1906-7-15 7143 Placer About Lake Tahoe 2438 Comment
  UCR240949  Chenopodium George K. Helmkamp, E. A. Helmkamp 2012-9-25 19901 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  JEPS73010  Chenopodium berlandieri Gladys L. Smith 1972-8-25 3402 Placer about chairlift above Shirley Lake (tr. to Granite Chief) 2499 Comment
  UCD22161  Chimaphila menziesii Rex Palmer 1979-6-19 N 219 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD15605  Chimaphila umbellata Lisa Montany 1985-5-18 22 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  CAS-BOT-BC451472  Chimaphila umbellata W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  CAS-BOT-BC497624  Chlorogalum angustifolium John Thomas Howell; Gordon H. True 1971-5-26 47627 Placer Northern limits of Lincoln 48 Comment
  UCR190691  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2007-9-14 12965 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 15 miles east of Foresthill 832 Comment
  CDA37743  Chondrilla juncea William J. Ferlatte 1971-5-3 1328 Placer Southeast corner of Sierra College Blvd. & Brace Rd., about 1 mile southwest of Loomis. 0 Comment
  CAS-BOT-BC252657  Chorizanthe membranacea G. L. Stebbins 1978-5-28 7883 Placer West side of Big Crater 1280 Comment
  CAS-BOT-BC36356  Chrysolepis sempervirens R. S. Woglum 1934-8-1 s.n. Placer Lake Tahoe Comment
  CAS-BOT-BC36375  Chrysolepis sempervirens R. F. Hoover 1967-9-5 10823 Placer Carnelian Bay, Lake Tahoe Comment
  SD243150  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains:Deadwood Riad, 1.2 miles south of its junction with Forest Hill Road (Westville 7.5'Q) 1563 Comment
  UCD110126  Chrysolepis sempervirens Beecher Crampton 1975-10-14 9319 Placer Blue Canyon airport area. 1524 Comment
  SEINET7450569 Image available Chrysopsis breweri L. Miller 1933-8-6 s.n. Placer Lake Tahoe, near Homewood Comment
  UCR201920  Chrysothamnus nauseosus subsp. albicaulis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14029 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  UCR231867  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17018 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  CAS-BOT-BC289615  Cirsium andersonii Alice Eastwood 1909-1-1 196 Placer Sunnyside, Lake Tahoe region Comment
  CAS-BOT-BC289616  Cirsium andersonii John Thomas Howell 1938-8-2 14008 Placer Near Brockway Comment
  SEINET7451074 Image available Cirsium andersonii P. A. Lehenbauer 1933-8-6 3177 Placer Lake Tahoe near Homewood Comment
  UCR146923  Cirsium arvense Beecher Crampton 1961-9-27 6019 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  UC178909  Cirsium occidentale var. candidissimum Katharine Brandegee 1908-7-1 Placer Cape Horn Comment
  UCD130666  Cirsium occidentale var. venustum A. S. Crafts 1926-5-1 1663 Placer American River Canyon. Comment
  UC64887  Cirsium scariosum var. americanum Miss Katherine Chandler 1904-1-1 Placer Tahoe Tahoe Comment
  CAS-BOT-BC439027  Cistanthe monosperma A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC228885  Cistanthe umbellata F. Almeda 1993-7-24 7279 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC228886  Cistanthe umbellata A. A. Heller 1917-8-13 12912 Placer Ridge northwest of Donner Pass 2346 Comment
  CAS-BOT-BC172407  Clarkia biloba subsp. brandegeeae Alice Eastwood 1912-6-20 619 Placer Colfax Comment
  UCD72513  Clarkia biloba subsp. brandegeeae Ellen Dean 2006-5-22 3140 Placer Above north fork of the American River, east of Foresthill Bridge, along Upper Lake Clementine Road nearing the bottom (river end) of the road. 308 Comment
  SD113934  Clarkia dudleyana Darley F. Howe 1948-5-23 1854 Placer American River 305 Comment
  CAS-BOT-BC163362  Clarkia purpurea subsp. purpurea Lincoln Constance 1941-5-28 2821 Placer Two miles north of Lincoln, Sacramento Valley 60 Comment
  CAS-BOT-BC164735  Clarkia rhomboidea Marcus E. Jones 1882-6-30 2719 Placer Emigrant Gap Comment
  POM46308  Clarkia rhomboidea Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon 1311 Comment
  UC147597  Clarkia rhomboidea Miss Harriet A. Walker 1908-6-24 1271 Placer Blue Canyon 1432 Comment
  UC930715  Clarkia rhomboidea Marcus E. Jones, A. M. 1882-6-30 2719 Placer Emigrant Gap Comment
  JEPS43378  Claytonia parviflora subsp. grandiflora W. L. Jepson 1938-4-5 18585 Placer 2 mi e Auburn (near North Fork American River) 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
  UCR253533  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Amy Barnes 2014-4-23 22797 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
  CAS-BOT-BC438831  Claytonia parviflora subsp. parviflora George K. Helmkamp; Mary Alice Barnes 2013-5-3 20476 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  UCD164650  Claytonia parviflora subsp. parviflora Brandi Sorensen 1995-6-1 28 Placer .73 kilometers northwest of Colfax. 671 Comment
  CDA37170  Claytonia perfoliata CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  UCR234215  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2011-4-10 17173 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  UCR237458  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2012-2-23 18578 Placer Eastern edge Sacramento Valley, Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  UC942756  Claytonia perfoliata subsp. perfoliata Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4014 Placer s of Auburn (near bridge on Route 49); North Fork American River 213 Comment
  UCR238577  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, E. A. Helmkamp 2012-3-31 18658 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SEINET5336416  Claytonia perfoliata subsp. perfoliata L. Vutz 1976-3-12 s.n. Placer Along the north fork of the American River 305 Comment
  LA207188  Clematis lasiantha Annetta M. Carter; 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis 152 Comment
  CDA15319  Cleome serrulata R. Kerr 1998-9-16 s.n. Placer Sierra Nevada; Corner of Hwy 267 and Airport Rd. near Truckee. 1798 Comment
  SEINET13391961  Collinsia heterophylla D. F. Erskine 1941-4-13 8 Placer 5 miles E of Roseville. 76 Comment
  UCR222552  Collinsia heterophylla George K. Helmkamp, E. A. Helmkamp 2010-4-17 15897 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill 308 Comment
  JEPS111193  Collinsia parviflora Steve Matson 2005-7-4 1367 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  RSA481908  Collinsia sparsiflora var. collina Aaron Liston 1988-3-14 696 -1 Placer 3.5 miles N of Auburn; Dry Creek Road. 450 Comment
  POM263619  Collinsia torreyi L. S. Rose 1941-7-18 41320 Placer Chambers Lodge (McKinney), Lake Tahoe. 1900 Comment
  UCR198121  Collinsia torreyi Rex Palmer 1979-6-21 N 370 Placer Sierra Nevada Mtns., Headwaters Basin Area of the North Fork of the American River, Tinker Knob west ridge Comment
  SCFS856  Collinsia torreyi E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, Top Meadow, as PCT heads down to Painted Rock. Comment
  SEINET13406560  Collinsia torreyi M. J. Williams 1984-6-24 84- 64 -3 Placer E side of Hwy 20, near the intersection with the Diamond Creek Road. 1646 Comment
  UC885605  Collinsia torreyi var. torreyi Alice Eastwood Jun 15 1912-Jun 19 1912 487 Placer Lake Tahoe Region, Deer Park Deer Park; Lake Tahoe Region, Deer Park Comment
  UC148965  Collinsia torreyi var. wrightii H. M. Hall 1910-6-28 8724 Placer Sierra Nevada Mountains, Head of Fordyce Creek Fordyce Creek; Sierra Nevada Mountains, Head of Fordyce Creek 2103 Comment
  UCD33740  Collomia grandiflora Beecher Crampton 1972-7-26 8852 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  SEINET8729294 Image available Collomia grandiflora Lewis S. Rose 1937-1 37611 Placer Tahoe Vista. 1905 Comment
  CAS-BOT-BC438830  Collomia heterophylla George K. Helmkamp; Mary Alice Barnes 2013-5-3 20473 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  RSA409231  Collomia heterophylla Fay A. MacFadden 1934-7-1 12724 Placer Canyon Creek - Dutch Flat. Comment
  UCD118185  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer Ca. 100 yards E of junction of Spring Garden Road with Auburn-Foresthill Road (or 3.7 miles W of Foresthill). 762 Comment
  RSA262365  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer ca. 100 yards east of junction of Spring Garden Road with Auburn-Foresthill Road (or 3.7 miles west of Foresthill) 762 Comment
  CHSC73060  Collomia linearis L. P. Janeway 1998-8-6 5969 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  JEPS71068  Collomia tinctoria L. S. Smith 1925-7-14 1680 A Placer French Meadows Tahoe National Forest, Middle Fork American River 1828 Comment
  SEINET3861935  Collomia tinctoria Genevieve K. Walden 2009-6-25 207 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  JEPS59469  Corallorhiza maculata Ezra Brainerd and Viola B. Baird July 5 - 27, 1915 207 Placer Truckee River Sierra Nevada Mts. 1920 Comment
  JEPS81484  Cordylanthus mollis subsp. hispidus Robert F. Holland 1982-8-16 1210 Placer 2 mi nw Rocklin (headwaters of Pleasant Valley Cr); Roseville Quadrangle, Spring Valley Comment
  LA83022  Cordylanthus tenuis subsp. tenuis O. H. Kappler; 1946-7-18 1313 Placer Homewood, Lake Tahoe 1920 Comment
  RSA755612  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  RSA756853  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15203 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 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
  SEINET1907214  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2006-1 11212 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1311 Comment
  UCR209743  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 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
  UCD117177  Cornus nuttallii Jay A. Riegel 1954-5-22 48 Placer 5 miles south of Iowa Hill. 1371 Comment
  CAS-BOT-BC212144  Cornus sericea Carl B. Wolf 1930-10-10 987 Placer 1 mile est of Cisco, Sierra Nevada 1828 Comment
  UCD22325  Cornus sericea subsp. occidentalis Rex Palmer 1979-5-26 N 35 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA15992  Cornus sericea subsp. sericea G. F. Hrusa, L. Serafini 1993-6-29 11262 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  UC1122810  Cornus sericea subsp. sericea N. French 1933-9-14 99 Placer Greek Store Tahoe Nat'l Forest, Colfax Quad., Greek Store Comment
  UC875910  Cornus sericea subsp. sericea Marcus E. Jones, A. M. 1882-6-28 3289 Placer Emigrant Gap Comment
  CAS-BOT-BC210550  Cornus sessilis G. R. Vasey 1880-10-1 s.n. Placer Auburn Comment
  CAS-BOT-BC210551  Cornus sessilis D. F. Howe 1948-5-22 45 Placer Unspecified 1219 Comment
  RSA394655  Cornus sessilis Fay A. MacFadden 1934-7-1 12719 Placer Canyon Creek - Dutch Flat. Comment
  RSA463236  Cornus stolonifera J. H. Nishida 1985-7-10 773 Placer Homewood. 1829 Comment
  CDA39023  Coronilla varia D. G. Kelch 2011-10-3 11 .818 Placer Tahoe City. Granlibakken Resort. Comment
  UC120135  Corydalis caseana subsp. caseana C. F. Sonne 1895-7-27 Placer ravines on Truckee R. Truckee R. Comment
  UC9955  Corydalis caseana subsp. caseana C. F. Sonne June 1887 Placer ravine on Truckee R. Truckee R. Comment
  CAS-BOT-BC427925  Crassula solieri Gordon H. True 1971-4-9 6458 Placer Northern limits of Lincoln 48 Comment
  JEPS126421  Crepis acuminata Steve Matson 1997-7-19 81 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. to west Fork of Snow Creek. Comment
  CAS-BOT-BC291525  Crepis intermedia Alice Eastwood 1909-1-1 57 Placer Sunnyside, Lake Tahoe Region Comment
  CAS-BOT-BC291526  Crepis intermedia M. S. Jussel 1928-6-25 s.n. Placer Tahoe City Comment
  JEPS111248  Crepis occidentalis Steve Matson 2005-6-11 1260 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3008 N, 120.1361 W; Elevation 5850 ft. 1783 Comment
  JEPS75134  Crepis occidentalis Gladys L. Smith 1972-6-20 3221 Placer steep exposed ridge from chairlift terminus to ultimate summit peak; Ward Peak 2632 Comment
  UC895336  Crepis occidentalis Marcus E. Jones, A. M. 1882-6-30 2784 Placer Emigrant Gap Comment
  CAS-BOT-BC290733  Crepis occidentalis subsp. conjuncta Dr. A. Kellogg 1870-6-18 s.n. Placer Camp Yuba - Cisco Comment
  CHSC82604  Cryptantha affinis Lowell Ahart 2002-7-22 9880 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
  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
  JEPS126393  Cryptantha simulans Steve Matson 2003-7-12 851 Placer nSNH; Tahoe Basin; Ward Canyon (west shore), about 2 miles East of Highway 89, near junction of Tahoe Rim Trail and Ward Canyon Road. Comment
  UCD37226  Cryptantha torreyana Beecher Crampton 1958-6-24 4969 Placer Placer County, 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  JEPS126401  Cryptantha torreyana var. torreyana Steve Matson 1997-6-1 45 Placer nSNH; Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on old fill material near Highway 28. Comment
  JEPS126402  Cryptantha torreyana var. torreyana Steve Matson 1998-7-12 337 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  SEINET7828098  Cuscuta californica L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  JEPS126373  Cuscuta californica var. californica Steve Matson 2003-9-6 952 Placer nSNH: Truckee River watershed, SW of Truckee; Alpine Meadows Ski Area 50 yards SE of Kangaroo Chairlift to tower. Comment
  UCD126294  Cuscuta howelliana F. T. Griggs 1978-5-19 s.n. Placer 3.2 miles south of Lincoln. Comment
  UCD126296  Cuscuta howelliana F. T. Griggs 1978-5-19 s.n. Placer 300 meters west of junction with Karchner Road, 1.7 miles east of Sheridan. Comment
  UCD18252  Cymopterus terebinthinus E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 464 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  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
  SACT000848  Cynosurus echinatus Michael Baad 1977-6-9 Placer At junction of Middle Fork of the American River and the Rubicon River 365.76 Comment
  SACT000856  Cynosurus echinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  UCD60135  Cynosurus echinatus Beecher Crampton 1955-6-15 2920 Placer 8 miles west Forest Hill. Comment
  SACT000859  Cynosurus echinatus 1930-5-29 Placer No determiner/collector available. Comment
  UCD141044  Cyperus eragrostis G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12950 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR262440  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2011-12-9 18502 Placer Sacramento Valley, Sunset Blvd. West, 5.8 miles west of its junction with Fiddyment Road 29 Comment
  UCD124127  Cyperus niger Ellen Dean; Marcel Rejmanek 2012-10-9 7501 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UC1100631  Cyperus strigosus Malcolm A. Nobs and S. Galen Smith 1949-8-22 1544 Placer at s.w. city limits Roseville Comment
  SD237422  Cytisus scoparius G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15930 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 156 Comment
  UCD164628  Cytisus scoparius Brandi Sorensen 1995-6-1 26 Placer .73 kilometers northwest of Colfax. 671 Comment
  SACT000868  Dactylis glomerata Josephine Van Ess 1977-5-13 Placer Collected .5 mile west of intersection with Bald Hill Road. Moist roadside bank. 360.0 Comment
  UCD60282  Dactylis glomerata Collector unknown 1951-1 Placer Auburn Area. Comment
  UCR173269  Dactylis glomerata George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10432 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  CAS-BOT-BC445491  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer Sacramento Valley, 1 mi. No. of Lincoln. 45 Comment
  UC1137143  Danthonia californica August L. Hormay 1932-7-7 Placer Upper Truckee River Comment
  CAS-BOT-BC194410  Danthonia intermedia L. S. Smith 1926-6-23 1976 Placer Squaw Valley, Tahoe Forest 1889 Comment
  CAS-BOT-BC194328  Danthonia unispicata John H. Thomas; Hazelle A. Thomas 1956-7-21 6132 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento - Sierra Nevada 2377 Comment
  CAS-BOT-BC194329  Danthonia unispicata John Thomas Howell 1943-7-22 18699 Placer Summit Valley Comment
  UCD36425  Danthonia unispicata Beecher Crampton 1953-7-21 1535 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  SCFS1108  Delphinium Unknown 2013-5-19 Placer 0.3 mi E.Heath Falls overlook, on trail. Comment
  UCD22178  Delphinium depauperatum Beth Lowe Corbin 1982-8-4 229 Placer 1/3 mile NW of Onion Creek Campground. SW facing slope, 10% inclination. Uncommon. Partial sun. Opening in white fir forest on rocky, fine, sandy soil. Flowers deep blue, with white markings. 1981 Comment
  CAS-BOT-BC8859  Delphinium glaucum Charles Frederick Sonne 1886-8-8 333 Placer along Mount Shears, S.N. Mts Above Coldshawn Comment
  CAS-BOT-BC8745  Delphinium hansenii H. Lewis; C. Epling 1941-5-24 s.n. Placer near Auburn Comment
  CAS-BOT-BC116095  Delphinium nuttallianum A. A. Heller 1919-7-26 13311 Placer Summit meadows west of Donner Pass. 2072 Comment
  CHSC11352  Delphinium nuttallianum Lowell Ahart 1962-7-14 Placer Near Ahart Camp, French Meadows. 1676 Comment
  JEPS72341  Delphinium nuttallianum Gladys L. Smith 1972-6-20 3244 Placer steep slope just below Ward Peak Summit 2628 Comment
  UC2042536  Delphinium nuttallianum 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
  UC854220  Delphinium nuttallianum Alice Eastwood 1912-6 490 Placer Deer Park Lake Tahoe region Comment
  UCD22182  Delphinium nuttallianum Rex Palmer 1979-6-21 N 364 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22187  Delphinium nuttallianum Rex Palmer 1979-6-9 N 166 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD75696  Delphinium nuttallianum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5145 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  POM308734  Delphinium patens Betty J. Jorgensen 1944-7-23 529 Placer Near Soda Springs. Comment
  CAS-BOT-BC16945  Delphinium variegatum subsp. variegatum Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  RSA388346  Dendromecon rigida T. Sholars 1975-5-11 30 Placer Mosquito Ridge Road, 6 miles east of intersection with Foresthill Road Comment
  UC112868  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer between Gold Run and Colfax; Magra Comment
  UCR250167  Dendromecon rigida George K. Helmkamp, Mary Alice Barnes 2013-5-3 20483 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  SACT000905  Deschampsia cespitosa D. Meyer 1983-8-20 Placer Moist roadside meadow with vegetation following residential construction. 2000.0 Comment
  CAS-BOT-BC192431  Deschampsia cespitosa subsp. cespitosa John Thomas Howell 1943-7-19 18569 Placer Summit Valley Comment
  UCD22247  Deschampsia danthonioides Beth Lowe Corbin 1982-8-4 220 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 15% inclination. Locally abundant. Full sun. Opening in montane chaparral in rocky, fine, sandy, granitic soil. Annual. 1950 Comment
  CAS-BOT-BC201877  Deschampsia elongata Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  SACT000944  Deschampsia elongata D. Meyer 1983-8-7 Placer East bank of river 1879.0 Comment
  SACT000945  Deschampsia elongata D. Meyer 1983-9-10 Placer Moist streambank and meadow. 1879.0 Comment
  SACT000947  Deschampsia elongata D. Meyer 1984-7-15 Placer Moist Mountain meadow. 1909.0 Comment
  UCD63302  Deschampsia elongata Beecher Crampton 1955-6-15 2898 Placer Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  UCSB32011  Descurainia incisa 1885-06 Placer Sierra Nevada Mountains Comment
  UC112922  Dicentra formosa Katharine Brandegee 1908-6-5 Placer near Gold Run 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
  UCR235422  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18955 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  SEINET5339622  Dicentra formosa R. Halliday, W. Roderick 1967-6-10 s.n. Placer North of emigrant Gap. 1372 Comment
  SEINET5340464  Dicentra formosa B. M. Cunningham 1960-4-17 s.n. Placer Monte Viste Inn 1372 Comment
  CAS-BOT-BC402446  Dicentra formosa subsp. formosa G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC402450  Dicentra formosa subsp. formosa Marcus E. Jones 1882-6-28 3302 Placer Emigrant Gap Comment
  CAS-BOT-BC402453  Dicentra formosa subsp. formosa A. A. Heller 1917-6-19 12732 Placer Emigrant Gap 1615 Comment
  UC855132  Dicentra uniflora Alice Eastwood Jun 15 1912-Jun 19 1912 375 Placer Deer Park; Lake Tahoe Region Comment
  CAS-BOT-BC402584  Dicentra uniflora Elizabeth McClintock; Wayne Roderick 1968-5-17 s.n. Placer Cisco Grove, northern Placer County Comment
  RSA333559  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 38 Placer W side of Sierra College Blvd, 1.1 mile S of English Colony Road intersection. 560 Comment
  RSA333573  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-11 22 Placer McCourtney Road, 1 mile S of Camp Far West Dam. 300 Comment
  SEINET8476518  Dichelostemma capitatum subsp. capitatum K. Terrell 1962-1 s.n. Placer North Fork American River. 396 Comment
  UCR195170  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12006 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR233241  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17691 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  SDSU11640  Dichelostemma multiflorum D. F. Howe 1948-5-20 1899 Placer 457 Comment
  SEINET3243525  Dichelostemma multiflorum Charles T. Mason Jr. 1948-1 1192 Placer West side of Southern Pacific Railroad track, along highway 99E, near Whintey Station 3 miles south of Lincoln. Comment
  UCR207883  Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2009-4-22 14575 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  JEPS8660  Digitalis purpurea Rimo Bacigalupi 1952-7-19 3867 Placer 2.5 mi e Iowa Hill (near Monona Flat, not far from old habitation, on ridge between Indian Creek and North Fork of the American River) 990 Comment
  JEPS73981  Digitaria sanguinalis Virginia Bufford 1932-9-9 508 Placer near Colfax; near Colfax Comment
  SACT000965  Digitaria sanguinalis D. Meyer 1984-7-9 Placer Exit from I80 Park and Ride lot and field across road. 103.0 Comment
  SACT000967  Digitaria sanguinalis Josephine Van Ess 1976-9-6 Placer Fiddyment Road. Collected near Pistachio orchard. 27.4 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
  SD237620  Diplacus torreyi G. K. Helmkamp, E. A. Helmkamp 2009-7-16 15196 Placer Sierra Nevada Mountains: Foresthill Road, 20.3 miles northeast of the city of Foresthill (Duncan Peak 7.5'Q) 1704 Comment
  CAS-BOT-BC151675  Diplacus torreyi W. R. Dudley 1909-8-8 s.n. Placer South Yuba River Comment
  SEINET14196725  Diplacus tricolor D. F. Erskine 1941-4-25 18 Placer 1 mile S of Roseville. 76 Comment
  UCD14634  Dodecatheon hendersonii Deanna Lynn Pfleger 1989-5-20 17 Placer Placer Co.; 10 miles from Redwood Grove, along a disturbed roadside. 1341 Comment
  SEINET8561859  Dodecatheon hendersonii M. J. Williams 1969-4-2 s.n. Placer Near Placerville, above Greenstone Lane. Comment
  OBI77864  Downingia bicornuta Carl B. Wolf 1937-5-12 8623 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  OBI20963  Downingia ornatissima Carl B. Wolf 1937-5-12 8615 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  JEPS108471  Downingia ornatissima var. ornatissima Lisa Schultheis 1995-4-22 41 -95 Placer Lincoln antennae site, MacClelland AFB. North of Sacramento, north of Moore Rd., west of Dowd Rd. Comment
  JEPS43776  Downingia ornatissima var. ornatissima Lynn Gould 1962-4-17 54 Placer 6 mi w Roseville (on P.F.E. Road) Comment
  UCD44469  Draba lonchocarpa var. lonchocarpa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1835 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
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Feb 22 2009
  CAS-BOT-BC41935  Draba reptans Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap. Comment
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Sep 29 2017
  CHSC41121  Draperia systyla J. D. Jokerst 1983-10-11 1919 Placer South of Big Grizzly Creek. Comment
  POM73945  Draperia systyla Marcus E. Jones 1882-6-29 2815 Placer Emigrant Gap. Comment
  UC567172  Drymocallis glandulosa var. glandulosa N. French 1934-5-31 390 Placer one mi se Texas Hill; Colfax Quadrangle Comment
  UCD43092  Drymocallis glandulosa var. glandulosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 460 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC859905  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer near Dutch Flat; near Dutch Flat 914 Comment
  CAS-BOT-BC527343  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer Near Dutch Flat 914 Comment
  UCR218132  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2010-6-26 16385 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCSC000350  Dudleya cymosa W. W. Mackie 1904-5-4 s.n. Placer near Newcastle Comment
  CAS-BOT-BC428058  Dudleya cymosa subsp. cymosa Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  SD120667  Dudleya cymosa subsp. cymosa James C. Dice 1983-5-18 Placer Applegate, 0.3 mile north of Boole Road on Sierra Vista Road. 565 Comment
  CAS-BOT-BC113798  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  UCD98826  Dysphania pumilio Clarence R. Quick 1962-11-2 62- 92 Placer Badger Hill plantation north of Camino Eldorado National Forest. 1021 Comment
  UCD98834  Dysphania pumilio A. M. Shapiro 1987-10-16 s.n. Placer Southern Pacific Right-of-way. 2103 Comment
  SACT001035  Echinochloa colona D. Meyer 1984-8-19 Placer 6.4 km north of I80. 103.0 Comment
  SACT001040  Echinochloa crus-galli Josephine Van Ess 1976-8-16 Placer Moist rocky bank. 206.0 Comment
  UCD42827  Eleocharis acicularis var. acicularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 193 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC113491  Eleocharis bella John Thomas Howell 1943-7-22 18707 Placer Summit Valley Comment
  CHSC74018  Eleocharis bella Susi Urie 1998-8-17 98 -058 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC113376  Eleocharis engelmannii Catherine Best 1984-8-11 1032 Placer South Campground, Camp Far West Reservoir. 91 Comment
  CHSC81832  Eleocharis engelmannii Lowell Ahart 2001-10-10 9352 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-BC492929  Elodea bifoliata Ramona Robison 2012-6-21 s.n. Placer Auburn State Recreation Area, along banks of Lake Clementine 219 Comment
  SACT001060  Elymus caput-medusae D. Meyer 1983-5-15 Placer Field at southeast corner. 36.6 Comment
  SACT001073  Elymus elymoides subsp. californicus James Grove 1977-7-15 Placer 2000.0 Comment
  UCD42930  Elymus elymoides subsp. californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 299 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC34008  Elymus elymoides subsp. elymoides C. F. Sonne July 1892 7 Placer Tinkers Knob 2743 Comment
  SACT001113  Elymus glaucus Michael Baad 1977-6-3 Placer 0.5 mile west of station, roadside. Serpentine. 1164.0 Comment
  SACT001133  Elymus glaucus Michael Baad 1977-6-21 Placer 685.0 Comment
  CAS-BOT-BC206795  Elymus glaucus subsp. glaucus Lewis S. Rose 1944-7-12 44091 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  SACT001093  Elymus glaucus subsp. jepsonii D. Meyer 1983-6-5 Placer Turn off along roadside. 487.68 Comment
  UCR249598  Elymus glaucus var. glaucus George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20820 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UC1133038  Elymus multisetus N. French 1933-5-5 83 Placer N. Fork American River Sacramento Quadrangle Comment
  UCD36663  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2895 Placer Placer County, Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  UCD62612  Elymus stebbinsii subsp. septentrionalis B. Bolt 1934-7-3 71 Placer Top of Sawtooth Ridge. 1219 Comment
  SEINET7293676 Image available Elymus trachycaulus subsp. subsecundus Beecher Crampton 1955-1 2895 Placer Slopes of Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  CHSC73268  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1998-8-6 5964 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SACT001154  Elymus triticoides D. Meyer 1983-7-30 Placer Campground along Truckee river. 1853.18 Comment
  CDA15672  Elytrigia intermedia subsp. intermedia G. F. Hrusa, J. Glazner 1999-7-18 15219 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC226650  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12079 Placer Northern Siera Nevada Mountains Foothills: junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  JEPS127501  Epilobium brachycarpum Steve Matson 1998-6-7 324 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267 at base of highway rampart, just west of Martis Creek. Comment
  UCR200879  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14097 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  RSA634231  Epilobium canum subsp. canum Robert M. Rhode, Barbara Nemeth 1995-7-26 1995 -/7 Placer Lake Tahoe: Blackwood Creek Canyon (ca. 4 miles south of Tahoe City). Near Blackwood Creek Canyon Road, about 0.4 mile west of turnoff from Highway 89 1921 Comment
  UCD75735  Epilobium canum subsp. latifolium Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5197 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  POM46188  Epilobium ciliatum subsp. ciliatum I. E. Diehl 1902-7-7 s.n. Placer Colfax. Comment
  UCD44514  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1880 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC73678  Epilobium ciliatum subsp. glandulosum L. P. Janeway; Eric Schroder 1998-9-16 6335 Placer Lake Tahoe Basin--National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  CHSC74107  Epilobium ciliatum subsp. glandulosum Susi Urie 1998-8-13 98 -030 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
  JEPS127508  Epilobium glaberrimum subsp. fastigiatum Steve Matson 2002-8-4 663 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south side of Highway 267, south of Martis Creek, southern limit of Wildlife Area close to fence line. Comment
  POM192603  Epilobium glaberrimum subsp. glaberrimum Helen D. Geis 130 -a Placer Deer Park. Comment
  CHSC74109  Epilobium hallianum Susi Urie 1998-8-28 98 -129 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UC170075  Epilobium hallianum Miss Helen D. Geis Jun 1 1912-Jul 1 1912 130 Placer Deer Park Comment
  UCD42979  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 348 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA16810  Epilobium obcordatum G. F. Hrusa, J. Glazner 2001-7-15 15949 Placer Sierra Nevada; Mats on rocky/gravelly talus slopes, subalpine zone near summit of Crows Nest Pk. immed. W of Sugarbowl. Common here, flrs magenta. 2377 Comment
  UC1122540  Epilobium obcordatum B. Bolt 1934-7-17 138 Placer 1/2 mi sw Walker Mine (Plot 216); Tahoe National Forest, Truckee Quadrangle Comment
  SEINET6644386 Image available Epilobium oregonense A. A. Heller 1919-1 13302 a Placer near Yuba River below Cisco 1676 Comment
  UCD150700  Epilobium oregonense James A. Neilson Jr. 1970-8-26 1822 Placer Tahoe Basin, Ward Creek, plot 18. Comment
  SD114120  Epilobium paniculatum Darley F. Howe 1978-7-14 5074 Placer Route 20, 29 miles west of Truckee. 1646 Comment
  CAS-BOT-BC57977  Equisetum W. R. Dudley 1900-6-29 s.n. Placer Near Fish Hatchery Tahoe City. Comment
  JEPS115070  Eragrostis Lowell Ahart 2007-11-13 14599 Placer East side of a shallow ditch, on the west side of Camp Far West Road, at the north edge of the town of Sheridan 35 Comment
  UCD64183  Eragrostis pectinacea Beecher Crampton 1967-7-26 8162 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80, junction of Meadow Vista Road. 487 Comment
  UCD64328  Eragrostis pectinacea var. pectinacea Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  RSA102080  Eremocarpus setiger John H. Redfield 1872-8-7 334 Placer Alta, Sierra Nevada. Comment
  SCFS1225  Eremogone E. Krimmel 2013-6-2 Placer North Fork American River, top of Foresthill Road. Comment
  UCD13387  Eremogone congesta Steve Daniel 1986-5-31 86 -42 Placer Entrance to Placer Big trees Park. Comment
  CAS-BOT-BC174292  Eremogone congesta var. suffrutescens G. L. Stebbins 1977-7-1 7734 Placer Above Middle Fork, American River, near Last Chance 1371 Comment
  UCD21708  Ericameria nauseosa Beth Lowe Corbin 1982-8-24 413 Placer 2 1/4 miles south of The Cedars. In rocky, fine sandy soil. Open subalpine talus slope on ridgetop in Red Fir forest. Rounded shrub 1 1/2' high. Flowers yellow. Foliage aromatic. Full sun. SW facing slope, 30% incline. Occasional. 2179 Comment
  UC194094  Ericameria nauseosa var. speciosa C. F. Sonne 1884-9-14 Placer road to Tahoe Comment
  CAS-BOT-BC293278  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer Ridge northwest of Donner Pass 2377 Comment
  CAS-BOT-BC293279  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer Ridge northwest of Donner Pass 2377 Comment
  JEPS41614  Erigeron barbellulatus C. F. Sonne 1888-7-29 365 Placer Wards Peak Sierra Nevada Mountains, Wards Peak (on Truckee River) Comment
  JEPS59445  Erigeron barbellulatus Ezra Brainerd and Viola B. Baird 1915-7-19 171 Placer above Deer Park; Summith of the Craggs 2499 Comment
  CAS-BOT-BC294522  Erigeron breweri var. breweri Alice Eastwood 1909-1-1 100 Placer Lake Tahoe Region. Sunnyside Comment
  CHSC73652  Erigeron coulteri L. P. Janeway; Eric Schroder 1998-9-16 6332 Placer Lake Tahoe Basin--National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  UCD43895  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1261 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC65327  Erigeron coulteri P. B. Kennedy and S. B. Doten 1901-8-9 260 Placer summit Soda Springs 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-BC300826  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  SD6235  Erigeron glacialis var. glacialis unknown Jun 1914 Placer Cisco Comment
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Jul 11 2010
  UC195955  Erigeron glacialis var. glacialis C. F. Sonne 1885-7-12 Placer mts. above Kneeland's Mill Comment
  UCD74030  Erigeron glacialis var. glacialis Jennifer W. Burt 2005-7-16 108 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from coniferous forest near abandoned ski runs. 1947 Comment
  CAS-BOT-BC295209  Erigeron inornatus R. F. Hoover 1967-9-5 10831 Placer Cornelian Bay, Lake Tahoe Comment
  CDA12431  Erigeron inornatus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8503 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD83593  Erigeron inornatus Albert Grigarick 2009-8-7 162 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2061 Comment
  CAS-BOT-BC295208  Erigeron inornatus Peter H. Raven 1956-8-4 10003 Placer Dirt road north of Emigrant Gap 1493 Comment
  UC1118161  Erigeron inornatus var. inornatus H. S. Yates 1936-8-9 5996 Placer near Brockway; Truckee Quadrangle 1950 Comment
  CAS-BOT-BC295528  Erigeron miser G. L. Stebbins 1968-8-15 6857 Placer Devil's Peak, southwest of Soda Springs 2286 Comment
  JEPS126428  Erigeron miser Steve Matson 2004-6-20 1056 Placer nSNH; just off Old Donner Summit Road (Highway 40); 300 yards east of Old Donner Summit. Comment
  CAS-BOT-BC295969  Erigeron philadelphicus Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  CDA4644  Erigeron philadelphicus Kelly 1928-5-2 Placer Near Auburn, along road. 0 Comment
  CAS-BOT-BC216230  Eriodictyon californicum Saichi Kawahara 1969-5-24 834 Placer Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest 1139 Comment
  UCR208556  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14671 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UCD119307  Eriodictyon lobbii Walter H. Johnson 1958-11-14 s.n. Placer Near Blue Canyon on Highway 40. 1584 Comment
  CDA12393  Eriogonum incanum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8521 A Placer Lake Tahoe; Head of Ward Valley. Comment
  JEPS72790  Eriogonum incanum Gladys L. Smith 1972-6-20 3254 Placer slope just below Ward Peak summit 2628 Comment
  UCD21939  Eriogonum lobbii Beth Lowe Corbin 1982-8-11 323 Placer 1 3/4 miles SW of Onion Creek campground. In rocky outcrop in montane chaparral. Flowers pinkish, yellowish below. Peduncles decumbent. Full sun. SE facing slope, 30% incline. Occasional. 1935 Comment
  CAS-BOT-BC249044  Eriogonum lobbii var. lobbii George K. Helmkamp; E. A. Helmkamp 2010-7-28 16668 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UC1032139  Eriogonum lobbii var. lobbii N. French 1934-6-22 349 Placer 1/2 mi w Lake Van Norden; Tahoe N.F., Truckee Quadrangle Comment
  CAS-BOT-BC263700  Eriogonum luteolum var. pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax Comment
  CAS-BOT-BC263701  Eriogonum luteolum var. pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax Comment
  RSA795075  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18189 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  CAS-BOT-BC263292  Eriogonum marifolium var. marifolium Arnold Tiehm 1974-8-8 523 Placer South of Murphy's Meadow 2407 Comment
  UCR229453  Eriogonum nudum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17899 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  CAS-BOT-BC264812  Eriogonum nudum var. deductum Catherine Best 1981-8-1 s.n. Placer Big Meadow about 3 miles south of French Meadows, Sierra Nevada 1600 Comment
  POM165488  Eriogonum nudum var. deductum George B. Grant 1906-7-15 6935 Placer Lake Tahoe. Comment
  UCD162545  Eriogonum nudum var. nudum Steve Matson 2006-7-7 1641 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; along road North Ave. dirt extension. 1908 Comment
  UCR240947  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19899 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  UCR241761  Eriogonum nudum var. nudum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19807 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  CAS-BOT-BC271970  Eriogonum nudum var. pubiflorum G. P. Rixford 1914-10-1 s.n. Placer Loomis 121 Comment
  SD22519  Eriogonum nudum var. pubiflorum Susan G. Stokes 1932-7-30 Placer Sacramento to Grass Valley Comment
  SDSU6787  Eriogonum nudum var. pubiflorum D. F. Howe 1960-9-18 2971 Placer 2 miles northof Auburn. 518 Comment
  JEPS74203  Eriogonum ovalifolium var. nivale Gladys L. Smith 1972-6-20 3201 Placer plateau about terminus of Summit chairlift, Ward Peak Ward Peak 2621 Comment
  UCD80662  Eriogonum prattenianum CNPS SN Foothill Team 2006-6-27 SNNR 0728 b Placer Placer Land Trust, Shutamul Parcel, along the Bear River. 305 Comment
  UCR179198  Eriogonum spergulinum Rex Palmer 1979-7-26 N- 834 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  CAS-BOT-BC269937  Eriogonum spergulinum var. reddingianum Margaret Williams 1974-8-8 74 -Pl-3 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CHSC73062  Eriogonum spergulinum var. reddingianum L. P. Janeway 1998-8-6 5985 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. Large, dry, open, gravelly area on the upslope side of the meadow. 1938 Comment
  JEPS111222  Eriogonum spergulinum var. reddingianum Steve Matson 2005-6-19 1307 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and north of Martis Creek. 39.3011 N, 120.1330 W; Elevation 5835 ft. 1778 Comment
  JEPS126334  Eriogonum spergulinum var. reddingianum Steve Matson 2000-6-24 451 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  RSA424932  Eriogonum spergulinum var. reddingianum Fay A. MacFadden 1936-8-20 12856 Placer Cisco 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-BC265155  Eriogonum umbellatum var. nevadense Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CDA15647  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 1999-7-18 15236 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC108662  Eriogonum umbellatum var. nevadense L. P. Janeway; B. Castro 2011-8-27 10682 Placer Northern High Sierra Nevada. West side of Hwy 89 across from Silver Creek Campground, about 11 km south of Truckee. 1850 Comment
  CHSC42122  Eriogonum umbellatum var. nevadense Lowell Ahart 1962-8-5 Placer On mountain side, about 1/4 mile west of Cisco Grove overpass, on the south side of Highway 80. 1722 Comment
  UC565933  Eriogonum umbellatum var. nevadense H. S. Yates 1934-6-29 3890 Placer near Bijou; Markleevillee Quadrangle 1920 Comment
  UCD22123  Eriogonum umbellatum var. nevadense Rex Palmer 1979-6-19 N 223 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD75742  Eriogonum umbellatum var. nevadense Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5206 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  SD1349  Eriogonum umbellatum var. subaridum Victor Duran 1930-8-2 Placer Cedar Flat, White Mts. 2133 Comment
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Oct 19 2012
  UCD101503  Eriogonum umbellatum var. torreyanum Charlotte Pyle 1978-8-9 s.n. Placer east side of Silver Peak, about 1.5 miles northwest of Squaw Valley. 2346 Comment
  CAS-BOT-BC205644  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  RSA793116  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  CAS-BOT-BC262228  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
  CAS-BOT-BC262232  Eriogonum ursinum Peter H. Raven 1956-8-4 10004 Placer Dirt road north of Emigrant Gap 1493 Comment
  UC669302  Eriogonum wrightii var. subscaposum Annie M. Alexander and Louise Kellogg 1941-10-5 2646 Placer e slope, Donner Pass Donner Pass 1981 Comment
  UCD21940  Eriogonum wrightii var. subscaposum Beth Lowe Corbin 1982-8-24 411 Placer 2 miles south of The Cedars. In fine, sandy, rocky soil. Open talus slope of ridgetop in Red Fir forest. Calyx white with red midribs. Perennial forming moderate sized mats. Full sun. North facing slope, 20% incline. Ocassional. 2133 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
  UCR194700  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12205 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  CAS-BOT-BC301408  Eriophyllum lanatum var. grandiflorum Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  JEPS34640  Eriophyllum lanatum var. grandiflorum W. H. Shockley 1886-6-1 Placer Auburn Comment
  UC507054  Eriophyllum lanatum var. grandiflorum Mrs. Helen Sharsmith 1933-5-14 E 21 Placer along the highway on filled-in ground Auburn Comment
  CAS-BOT-BC301409  Eriophyllum lanatum var. grandiflorum H. M. Hall; F. M. Essig 1916-6-5 10156 Placer Bear River, northern Placer County, on the westerly slope of the Sierra Nevada 450 Comment
  JEPS16982  Eryngium castrense W. L. Jepson 1924-7-25 10650 Placer Lincoln Comment
  RSA29007  Eryngium castrense Lincoln Constance 1941-5-28 2824 Placer 2 miles north of Lincoln, Sacramento Valley. 61 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
  UC764564  Eryngium vaseyi R. F. Hoover 1938-7-30 3710 Placer 4 mi. e. Loomis Comment
  SCFS1213  Erysimum E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  SEINET3245753  Erysimum capitatum var. capitatum G. K. Helmkamp, E. A. Helmkamp 2009-1 15214 Placer Sierra Nevada Mountains: Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat (Duncan Peak 7.5') 2019 Comment
  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
  RSA101880  Erysimum capitatum var. perenne G. B. Rossbach, Ruth P. Rossbach 1938-7-23 896 Placer S side Donner Pass, just W of Donner Lake. (Several miles W of type locality for E. nevadense Heller). 2226 Comment
  CAS-BOT-BC55092  Erysimum perenne G. B. Rossbach; R. P. Rossbach 1938-6-23 896 Placer South side Donner Pass, just west of Donner Lake, northeast Placer county. 2225 Comment
  CAS-BOT-BC55093  Erysimum perenne Marcus E. Jones 1882-6-28 2620 Placer Emigrant Gap. Comment
  CAS-BOT-BC55094  Erysimum perenne Marcus E. Jones 1882-6-28 2620 Placer Emigrant Gap. 1615 Comment
  UC128132  Erysimum perenne Miss Harriet A. Walker 1908-7-25 1421 Placer Cisco 1810 Comment
  CHSC89289  Erythranthe bicolor G. F. Hrusa; M. I. Wibawa, J. Glazner 2002-5-22 16049 Placer Sierra Nevada. Hughes Mill (site) above Foresthill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  CHSC82573  Erythranthe breweri Lowell Ahart 2002-7-22 9900 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
  CHSC53069  Erythranthe guttata L. P. Janeway 1989-6-30 3444 Placer Plumas National Forest. Along rd 24N49Y ca 0.4 mi W of Crocker Cr and Beckwourth-Genesee Rd (6.8 mi N of Beckwourth and 0.3 mi N of Crocker Guard Station). Plumas National Forest. 1798 Comment
  SEINET3836910 Image available Erythranthe moschata Marcus E. Jones 1897-1 Placer Diamond Mt., Susanville, Perkin's Ranch 2 Comment
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  SJSU7731  Erythranthe primuloides D. Funnell 1965-6-27 Placer 4.5 mi S of Truckee on Hwy 89 1773 Comment
  SEINET14046343 Image available Erythranthe tilingii Johnnie L. Gentry Jr., Earl Jensen, Jr. 1968-1 2134 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89. 2073 Comment
  CAS-BOT-BC505235  Erythronium grandiflorum A. A. Heller 1917-6-17 12685 Placer Granite rocks near the Yuba river below Cisco 1676 Comment
  CAS-BOT-BC505236  Erythronium grandiflorum Elizabeth McClintock; Wayne Roderick 1968-5-17 s. n. Placer Cisco Grove, northern Placer County Comment
  UC1533102  Erythronium purpurascens Jon Winter 1970-7 Placer Duncan Peak Lookout Station Tahoe Nat'l Forest 2189 Comment
  UCD14318  Erythronium purpurascens Sutton 1984-5-19 17 Placer 4 miles down Blue Canyon Road from Highway 80, 30 yards in from the east side of the road. 1371 Comment
  SD248465  Eschscholzia caespitosa George K. Helmkamp, Elizabeth A. Helmkamp 2007-3-25 11709 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its juncton with CA-49 at the bridge of the junction of American River forks (Auburn 7.5'Q) 287 Comment
  UCR218127  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2010-6-26 16402 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR238610  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-3-31 18645 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UC112927  Eschscholzia californica Katharine Brandegee 1908-6-4 Placer R.R. embankment near Gold Run Comment
  UCD68706  Eschscholzia californica Heidi Haugen 1984-4-15 7 Placer Folsom, California, in meadows near lake. Found in fields, in a grass plant association with some trees, dominated by grasses, poppies, and fiddlenecks, on dry, clay-sandy soil, with direct sunlight, very abundant in area. Leaves, lacey; Flowers, double rimmed peduncle, orange (golden). 22 Comment
  RSA11787  Eschscholzia lobbii Elmer I. Applegate 1928-4-22 5363 Placer Above Auburn on Grass Valley road Comment
  SD113752  Eschscholzia lobbii Darley F. Howe 1948-5-21 1917 Placer Comment
  UC186882  Eschscholzia lobbii C. F. Sonne 1891-4-5 Placer Newcastle-Penryn Comment
  CAS-BOT-BC310374  Eucephalus breweri J. F. Emmel 1970-6-21 316 Placer Slope, 0.6 air mile s. of south end of Lake Mary, s. of Donner Pass 2286 Comment
  SEINET4560812  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-1 18164 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2019 Comment
  UCD131638  Eucephalus breweri Frederica Bowcutt 1994-7-22 1945 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  UCD44415  Eucephalus breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1781 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR259878  Euphorbia nutans George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22463 Placer Sacramento Valley, Highway CA-193 (Lincoln-Newcastle Hwy) at the junction with Gold Hill Road, 3.8 miles northwest of US-80 114 Comment
  SD113557  Euphorbia ocellata Darley F. Howe 1960-9-18 2972 Placer 2 miles north of Auburn 519 Comment
  CAS-BOT-BC312160  Eurybia integrifolia Lewis S. Rose 1938-9-14 38264 Placer South Fork of Yuba River, 3 mi. e. of Cisco 1737 Comment
  CAS-BOT-BC312161  Eurybia integrifolia C. F. Sonne 1885-8-19 149 Placer Truckee Comment
  UCR235483  Festuca George K. Helmkamp, E. A. Helmkamp 2012-5-5 18938 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UCD42914  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 282 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SACT001175  Festuca pratensis D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001180  Festuca pratensis D. Meyer 1984-6-10 Placer 606.0 Comment
  CHSC72898  Festuca rubra L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5772 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SACT001195  Festuca rubra D. Meyer 1983-9-10 Placer West end near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT001219  Festuca rubra D. Meyer 1984-6-23 Placer Hillside northwest of dam. 1212.0 Comment
  UCD74212  Festuca trachyphylla Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 225 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Terrain Park' ski run. 2221 Comment
  UCD44646  Festuca viridula C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2012 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  POM260104  Fragaria californica C. Leo Hitchcock 1940-5-7 6318 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC457948  Fragaria vesca subsp. californica Saichi Kawahara 1969-5-25 1009 Placer Mel Henderson Ranch, Indian Creek 987 Comment
  CHSC73988  Fragaria virginiana Susi Urie 1998-8-18 98 -078 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC447511  Fragaria virginiana var. platypetala Alice Eastwood 1912-6-15 402 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC447513  Fragaria virginiana var. platypetala anonymous 1906-7-15 s.n. Placer Tahoe Tavern Comment
  HSC95743  Frangula californica Phyllis Adams 1982-5-9 39 Placer In American River Canyon along Hwy. 49 244 Comment
  SD10096  Frangula rubra subsp. obtusissima Brandegee Sept 1888 Placer Blue Canyon Comment
  UCR176279  Fritillaria George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10448 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
  UC429287  Fritillaria micrantha C. F. Sonne 1891-4-5 Placer below Bloomer Cut (Auburn) Auburn Comment
  CAS-BOT-BC504445  Fritillaria recurva Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  CDA36972  Galium aparine CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  POM67221  Galium aparine Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UCD121720  Galium aparine M. H. Mills 1996-4-12 140 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCD22291  Galium aparine Rex Palmer 1979-6-21 N 378 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET11298750  Galium aparine B. Eshelman, H. N. Mozingo 1979-3-31 s.n. Placer 5.3 miles East of Junction of Forrest Hills road. Comment
  UC28188  Galium bifolium Kellogg June 1870 Placer Cisco Comment
  UCD22288  Galium bifolium Rex Palmer 1979-6-9 N 171 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA0053710  Galium bolanderi G. K. Helmkamp, E. A. Helmkamp 2012-9-8 19808 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
  SEINET4560817  Galium bolanderi George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2010-1 19808 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
  UC888784  Galium bolanderi Marcus E. Jones, A. M. 1882-6-27 3290 Placer Emigrant Gap 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
  UCR231007  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-8-14 16799 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  JEPS6434  Galium bolanderi R. Bacigalupi with A. Hawkes, J. Hunziker, G. Stebbins, D. Zohary and H. Stutz, and F. Ehrendorfer 1952-7-19 3860 Placer along river directly below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd); North Fork of the American River 381 Comment
  UC1143087  Galium grayanum B. Bolt 1934-7-17 137 Placer 1/2 mi sw Walker Mine (Plot No. 216); Tahoe National Forest, Truckee Quadrangle Comment
  JEPS111259  Galium grayanum var. grayanum Steve Matson 2005-7-16 1401 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  POM303632  Galium grayanum var. grayanum J. T. Howell 1943-7-26 18840 Placer Mt. Lincoln. Comment
  UC28217  Galium grayanum var. grayanum Kellogg 1870-1-1 Placer near Cisco Comment
  CDA37047  Galium parisiense CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SBBG7322  Galium trifidum E. R. Blakley 1960-9-3 3815 Placer King's Beach, Lake Tahoe 1903 Comment
  UCD44530  Galium trifidum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1896 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SACT001236  Gastridium ventricosum Michael Baad 1977-6-8 Placer 3.7 miles east of canyon on Forest Hill to French Meadows Road. Slate outcrop. Comment
  CAS-BOT-BC56265  Gaultheria ovatifolia Peter W. Fritsch; Catherine Bush; Boni Cruz 2008-7-1 1839 Placer Big Trees Trail in Placer Big Trees Grove, Foresthill Ranger District, Tahoe National Forest 1604 Comment
  CAS-BOT-BC56268  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods; Tahoe National Forest, ca. 20 miles NE of Foresthill; Greek Store. 7 1/2 min. Comment
  SEINET7269913  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods, ca. 20 miles NW of Foresthill Comment
  RSA750433  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14013 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UC570311  Gayophytum heterozygum N. French 1934-6-22 454 Placer 1/2 mi w Lake Norden; Truckee Quadrangle 2286 Comment
  SD3703  Gentiana calycosa C. F. Sonne Sept. 1892 Placer Sierre Nevada Mts. [Above] Donner Lakes Comment
  UC878353  Gentiana calycosa A. A. Heller 1917-8-14 12932 Placer s Summit valley (steep slope); Mt. Lincoln 2499 Comment
  UC35441  Gentianopsis simplex C. F. Sonne 1885-8-9 Placer meadows along Truckee R. Truckee R. Comment
  CDA36212  Geranium dissectum G. K. Helmkamp, E. A. Helmkamp 2009-5-11 14676 Placer Sierra Nevada Mountains Foothills; Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn. 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
  RSA782370  Geranium molle George K. Helmkamp, E. A. Helmkamp 2010-4-23 15910 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  SDSU7348  Geranium solanderi D. F. Howe 1948-5-21 1911 Placer 457 Comment
  UCD42916  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 284 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43183  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 552 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR120237  Geum macrophyllum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5067 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  RSA0004760  Gilia capillaris C. C. Hall 1910-6-25 8710 Placer Cisco, in the Upper Transition Zone 1850 Comment
  SD43633  Gilia capitata Darley F. Howe 1948-5-23 1849 Placer American River 305 Comment
  UCR207858  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2009-4-22 14563 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  RSA83087  Gilia capitata subsp. pedemontana Verne Grant, Alva Grant 1947-5-5 7970 Placer Road bank near Weimar 671 Comment
  SEINET7963104 Image available Gilia gilioides L. S. Rose 1941-1 41299 Placer Chambers Lodge (McKinney), Lake Tahoe 640 Comment
  RSA755336  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-8-12 15446 Placer Forest Hill Road, 26.1 miles northeast of the city of Foresthill 2020 Comment
  SEINET11265983  Gilia leptalea subsp. leptalea George 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 (Duncan Peak 7.5' Q.); 0 2039 Comment
  RSA537481  Gilia tricolor subsp. diffusa Barbara Ertter, David M. Thompson 1989-4-8 8156 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  SEINET2441551  Gilia tricolor subsp. diffusa George K. Helmkamp 2009-4-22 14582 Placer Sierra Nevada Mountains Foothills: Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake (Greenwood 7.5' Q.). 732 Comment
  UC1585900  Gilia tricolor subsp. tricolor Barbara Ertter with David Thompson 1989-4-8 8156 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  JEPS111140  Githopsis specularioides Steve Matson 2005-4-17 1218 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  RSA261417  Githopsis specularioides Erika Aschmann 1974-5-25 22 Placer 8.7 miles W of Placer County Big Tree Grove on Mosquito Ridge Road, Tahoe National Forest. Comment
  UCD66746  Glyceria borealis August L. Hormay 1932-7-8 Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  UCD66829  Glyceria elata Beecher Crampton 1955-7-13 2998 Placer 3.5 miles east of Baxter, along U.S. Highway 40. 1432 Comment
  UCR146849  Glyceria elata Beecher Crampton 1964-7-21 7121 Placer Sierra Nevada Mtns., Cisco Grove, US Hwy. 40 1723 Comment
  CAS-BOT-BC307363  Gnaphalium palustre Alice Eastwood 1909-1-1 87 Placer Ward Creek, Lake Tahoe region Comment
  CDA15920  Gnaphalium palustre G. F. Hrusa, J. Glazner 1999-7-17 15184 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC73932  Gnaphalium palustre Susie Urie 1998-8-19 98 -085 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD42866  Gnaphalium palustre C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 233 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR19394  Gnaphalium palustre George K. Helmkamp, E. A. Helmkamp 2012-9-25 19905 Placer Northern Sierra Nevada Mountains, Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mi. south of Blue Canyon-Nyack Airport 1473 Comment
  UC427889  Gnaphalium palustre L. S. Smith 1927-8-22 Placer 6-Mile Valley, near Emigrant Gap; Tahoe National Forest, 6-mile Valley 1584 Comment
  UCD150743  Goodyera oblongifolia James A. Neilson Jr. Date Unknown 2081 Placer Tahoe Basin, Timberland. 1901 Comment
  SCFS1153  Goodyera oblongifolia E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #6. Comment
  UC1745633  Gratiola ebracteata Annetta M. Carter 1945-11-4 1736 Placer Ca. 5 mi. NW of Roseville. Sacramento Valley. Comment
  SD81207  Grindelia camporum Darley F. Howe 1971-10-4 Placer 16 miles east of Auburn. 669 Comment
  CAS-BOT-BC314604  Grindelia hirsutula Alice Eastwood 1921-5-22 10587 Placer Between Lincoln and Sheridan Comment
  RSA0093630  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2012-6-19 19209 Placer Northern Sierra Nevada Mountains Foothills. Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road. 820 Comment
  UCR194702  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2007-5-30 12207 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 Comment
  UC1714554  Gypsophila paniculata var. paniculata K. Brandegee Aug., 1907 Placer Cisco Comment
  SEINET3891769  Habenaria leucostachys Bonnie C. Templeton 1931-1 Placer Comment
  JEPS59494  Hackelia micrantha Ezra Brainerd and Viola B. Baird 1915-7-8 246 Placer flat below Bear Rock; Sierra Nevada Mountains 1889 Comment
  POM181063  Hackelia nervosa A. A. Heller 1912-7-20 10591 Placer Summit. 2073 Comment
  SCFS1202  Hackelia nervosa E. Krimmel 2014-4-21 Placer 200 yards south of Pt. Mariah warming hut Comment
  UCD22133  Hackelia velutina Rex Palmer 1979-7-25 N 807 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC306375  Helenium bigelovii Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CAS-BOT-BC314785  Helianthella californica var. nevadensis L. S. Smith 1925-7-10 1665 Placer French Meadows, Tahoe Forest 1828 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
  JEPS67983  Heliotropium curassavicum R. A. Arp 1935-5-13 Placer Roseville Comment
  SBBG128841  Hemieva ranunculifolia G. K. Helmkamp, E. A. Helmkamp 2010-8-14 16779 Placer American Hill Rd, (Forest Route 13), 4.7 mi S of its jct with Foresthill Rd and just S of a crk crossing 1552 Comment
  UC149000  Hemizonella minima H. M. Hall 1910-7-11 8760 Placer Cisco Butte Sierra Nevada Mountains 1981 Comment
  CDA38360  Heracleum lanatum T. C. Fuller 1973-8-23 19979 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  POM65409  Hesperochiron californicus Carlotta C. Hall 1910-7-8 8747 Placer South fork of Yuba Canyon, about 17 km east of Cisco. 1920 Comment
  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
  UCD102197  Hesperolinon micranthum Daniel Sanchez-Mata; Tomas Santamaria 2008-7-28 s.n. Placer Forest Hill. Iowa Hills Road to Sugar Pine Reservoir. Close to the reservoir. 1100 Comment
  JEPS103510  Heterocodon rariflorum Lowell Ahart 2002-7-22 9883 Placer About 40 yards NW of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1774 Comment
  UCR200877  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2008-9-15 14094 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  SD234517  Heuchera micrantha G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12193 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 15 miles east of its junction with Forest Hill Road in Foresthill, south of site of Bake Oven. 915 Comment
  UCD102638  Heuchera micrantha Eric Brenner; John Hunter 1996-5-26 024 Placer Tahoe National Forest, Mosquito Ridge Rd. 1080 Comment
  UC11368  Heuchera rubescens var. glandulosa Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC319600  Hieracium albiflorum Emily K. Mcpherson 1975-9-19 76- 28 -8 Placer One mile east of Talbot Campground near mid fork American River, Sierra Nevada 1767 Comment
  CAS-BOT-BC319601  Hieracium albiflorum Ira L. Wiggins 1933-8-21 6781 Placer Shores of Lake Tahoe near Tahoma Comment
  CAS-BOT-BC319603  Hieracium albiflorum Alice Eastwood 1909-1-1 193 Placer Sunnyside Comment
  UCD132317  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR193311  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12187 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
  UCR232623  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16635 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
  CAS-BOT-BC319759  Hieracium argutum Rimo Bacigalupi; G. L. Stebbins; Alex Hawkes; et al. 1952-7-19 3855 Placer Along the North Fork of the American River directly below Cape Horn 1/2 mile upstream from teh bridge on the Colfax-Iowa Hill Road 381 Comment
  CAS-BOT-BC319758  Hieracium argutum G. L. Stebbins; J. Hunziker; H. Stutz; D. Zohary 1952-7-20 5134 Placer Along road from Colfax to Forest Hill 1/2 mile south of crossing of American River 304 Comment
  SACT001288  Holcus lanatus D. Meyer 1984-8-19 Placer 8.4 km north of I80 103.0 Comment
  SEINET9259607  Holcus lanatus George K. Helmkamp, Amy Barnes 2014-1 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 719 Comment
  SACT001311  Hordeum brachyantherum D. Meyer 1983-8-7 Placer Near gate leading into ski area parking lot moist meadow with many sedges. 2073.0 Comment
  SACT001312  Hordeum brachyantherum D. Meyer 1984-8-26 Placer 1660.0 Comment
  UCD43312  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 680 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  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
  UCD22255  Hordeum brachyantherum subsp. californicum Rex Palmer 1979-7-9 N 445 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT001331  Hordeum depressum Josephine Van Ess 1976-3-31 Placer Collected at top of hill north of Rocklin about 6 miles of Placer. Dried up depression. 83.8 Comment
  SACT001338  Hordeum geniculatum D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  CAS-BOT-BC516749  Hordeum murinum George K. Helmkamp; Amy Barnes 2013-3-28 20284 Placer Eastern Sacramento Valley: along 10th St/Ranch House Rd, 0.6 mi S of its jct with Riosa Road in Sheridan 43 Comment
  HSC10202  Hordeum murinum subsp. leporinum L. M. Malloy 1965-4-17 26 Placer 5 mi. S of Auburn, 1/2 mi. E of Scott's Corner off of County Rd. P. 58. Comment
  UCR172651  Hordeum murinum subsp. leporinum George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10196 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  RSA0043371  Horkelia fusca John F. Emmel 1997-7-25 1513 Placer Sierra Nevada, Donner Pass region; south side of Donnner Pass, 0.2 air mile ENE of north end of Lake Mary. 2145 Comment
  RSA122261  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 124 Placer 1/2 mile S of Lost Emigrant Mine. 2073 Comment
  RSA122263  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 114124 Placer 1/2 mile S of Lost Emigrant Mine. 2073 Comment
  CAS-BOT-BC537868  Horkelia fusca var. parviflora F. Almeda 1993-7-25 7288 Placer Montane meadow, Soda Springs about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  CAS-BOT-BC514266  Horkelia fusca var. pseudocapitata Margaret J. Williams 1985-7-6 85- 61 -8 Placer Sierra Nevada: near old Donner Summit, S of Lake Mary 2286 Comment
  SDSU9076  Horkelia tridentata D. F. Howe 1965-5-20 4059 Placer Canyon on south side of north fork of American River between Forest Hill and Yankee Jims. 914 Comment
  UC1128153  Horkelia tridentata subsp. tridentata N. French 1934-5-24 359 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  CAS-BOT-BC537950  Horkelia tridentata var. tridentata H. D. Ripley; R. C. Barneby 1948-7-13 9819 Placer SW. of Emigrant Gap 1676 Comment
  CAS-BOT-BC537980  Horkelia tridentata var. tridentata A. A. Heller 1917-6-17 12705 Placer gravelly places along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC537981  Horkelia tridentata var. tridentata James L. Walters 1940-5-11 s. n. Placer Near Yuba Pass overhead; east of Emigrant Gap. Comment
  CAS-BOT-BC537983  Horkelia tridentata var. tridentata Belle R. Jackson 1932-6-1 s. n. Placer Gold Run, above Colfax Comment
  UCD106158  Hosackia oblongifolia R. Tofsrud 1951-7-1 s.n. Placer ca. 5 mi. below Soda Springs, Hwy. 40. Comment
  SEINET11259361 Image available Hulsea californica Unknown s.n. Placer Near Auburn, American River Comment
  SEINET11259363 Image available Hulsea californica H. N. Mozingo 1972-10-8 s.n. Placer Floodplain of American River, 5 mi. N. of Auburn 457 Comment
  JEPS126284  Hydrophyllum capitatum var. alpinum Steve Matson 1998-5-19 191 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  POM260118  Hydrophyllum occidentale C. L. Hitchcock 1940-5-7 6317 Placer 1 mile west of Baxter. Comment
  UC34300  Hypericum concinnum Mrs. M. M. Hardy 1893-1 Placer Comment
  UC871859  Hypericum formosum var. scouleri P. A. Lebenbauer 1932-9-5 Placer along Truckee R. near Tahoe City 1889 Comment
  POM178043  Hypericum perforatum Marcus E. Jones 1930-7-11 25286 Placer Auburn 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
  CDA5080  Hypericum perforatum Margaret Bellue Aug 1951 Placer Between Auburn and Bowman. 0 Comment
  CDA32869  Hypochaeris glabra CDFA Staff 1980-1 Placer Auburn: Agricultural Commissioner's Office 0 Comment
  JEPS26024  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer 1.5 mi s Homewood (along state hwy 89) 1889 Comment
  POM319890  Ipomopsis aggregata subsp. formosissima Barbara Shervanick 1972-06 635 Placer Devil's peak, Sierra Nevada, Rubion River drainage area 1616 Comment
  JEPS59447  Ipomopsis congesta Ezra Brainerd and Viola B. Baird 1915-7-19 174 Placer above Deer Park (summit of the Craggs); Sierra Nevada 2514 Comment
  UC124884  Ipomopsis congesta C. F. Sonne 1886-7-18 Placer Comment
  UC23339  Ipomopsis tenuituba C. J. Fox Jr. July, 1895 Placer near Deer Park Inn Comment
  POM260106  Iris hartwegii C. L. Hitchcock 1940-5-7 6329 Placer 1 mile west of Baxter Comment
  SBBG58776  Iris hartwegii M. N. Ackley -Jun-1925 416 Placer Dutch Flat 1005 Comment
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Feb 9 2017
  SEINET8529757 Image available Iris hartwegii Gerald Pullman 1974-5-25 40 Placer Mosquito Ridge Road, 1/4 mi. west of Mosquito Narrows Airstrip, 19.2 mi. east of Foresthill. Comment
  UCD80364  Iris macrosiphon CNPS SN Foothill Team 2005-4-13 SNFN 0108 Placer Placer Legacy, Didion Ranch. On north-facing slope above Whiskey Diggins canal road. Near southern boundary of study area, approximately 2 miles west of intersection with entry road. Stand runs east to west across north face of slope and continues below Whiskey Diggins road into Coon Creek Drainage. 245 Comment
  POM34325  Ivesia gordonii var. alpicola Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  SEINET11911564  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 84 Placer Tinker Knob 2896 Comment
  SACT002749  Juglans hindsii Josephine Van Ess 1977-4-29 Placer Collected north of PFE Road. Old tree on which root stock has taken over. 27.4 Comment
  UCR209018  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer Sacramento Valley, along CA-193, 5.3 miles east of Lincoln 123 Comment
  UCD38905  Juncus articulatus subsp. articulatus Beecher Crampton 1959-7-23 5429 Placer Behind Placer Hills School, Meadow Vista. 533 Comment
  UC1100932  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-21 1515 Placer n end Lake Tahoe (between Sandy Beach and Agate Bay) Comment
  UC842326  Juncus bufonius var. bufonius Marcus E. Jones, A. M. 1882-7-4 2903 Placer Colfax Comment
  UC143805  Juncus chlorocephalus A. A. Heller 1903-8-17 7178 Placer above Donner; Donner Pass 2529 Comment
  UCD141444  Juncus chlorocephalus L. S. Smith 1915-1 s.n. Placer Squaw Valley. Comment
  UCD163592  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass quadrangle, 15 minute series). At Serene Lakes Lodge. 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
  UCD162590  Juncus ensifolius Steve Matson 2002-8-17 701 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 Comment
  SEINET6190258  Juncus ensifolius var. ensifolius M. J. Williams 1985-7-6 85- 63 -2 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits. Comment
  CHSC67715  Juncus occidentalis James D. Jokerst 1986-7-13 2716 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. 1859 Comment
  CDA16994  Juncus orthophyllus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16047 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  RSA494793  Juncus orthophyllus Lyman Benson 1942-7-2 11244 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD44501  Juncus orthophyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1867 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD21847  Juncus parryi Rex Palmer 1979-5-27 N 83 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS102505  Juncus tenuis Lowell Ahart 2001-10-10 9351 Placer French Meadows Reservoir, about 1/4 mi NE of the boat or trail access area on the NW side of the reservoir, about 3/4 mi SW of the bridge across the Middle Fork of the American River, about 1 3/4 mi SW of Ahart Camp, about 22 mi (air) NE of Forest Hill. 1591 Comment
  UCD34031  Juncus tenuis Beecher Crampton 1975-9-9 9284 Placer Placer County, Rollins Lake, ca. 2.5 - 3 miles north of colfax. 609 Comment
  CDA18019  Juncus tenuis D. Mutani 1999-4-23 PDR 1223633 B Placer Sailor-Ravine Rd., Auburn. 0 Comment
  UCD43258  Juncus tiehmii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 627 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43385  Juncus triformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 753 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  NY21827  Juniperus californica M. E. Jones 1882-1 5623 Placer Soda Springs Comment
  NY20191  Juniperus occidentalis F. W. Hunnewell 1925-7-15 9701 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
  UC1076357  Juniperus occidentalis H. L. Mason 1929-10-4 5460 Placer 1 mi above Cisco Comment
  UCD22093  Juniperus occidentalis Beth Lowe Corbin 1982-8-8 283 Placer 1/2 mile SW of Onion Creek Campground. South facing slope, 20% incline. 1798 Comment
  SEINET5334977  Juniperus occidentalis T. C. Frantz 1951-5-22 s.n. Placer next to Hunter Inn, Lake Tahoe, growing on large tree opposite highway Comment
  CAS-BOT-BC58897  Kalmia microphylla subsp. microphylla L. S. Smith 1927-8-11 2203 Placer Squaw Valley - Tahoe N.F. 1889 Comment
  JEPS15111  Keckiella breviflora var. breviflora N. French 1934-5-29 377 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quad. 1463 Comment
  NY786816  Keckiella breviflora var. breviflora M. J. Williams 1984-6-24 8465- 1 Placer 0.3 mile in from Highway 20, on Bowman Lake Road. 1524.0 Comment
  CAS-BOT-BC246156  Keckiella lemmonii Catherine Best 1981-8-1 s.n. Placer Near Lower Hell Hole Reservoir, Sierra Nevada Comment
  CAS-BOT-BC246323  Keckiella lemmonii Alice Eastwood 1909-1-1 233 Placer Squaw Creek Comment
  RSA447635  Kelloggia galioides Fay A. MacFadden 1934-7-9 12732 Placer Emigrant Gap. Comment
  SD237601  Kelloggia galioides G. K Helmkamp, Amy Barnes 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill (Michigan Bluff 7.5'Q) 1230 Comment
  SD244239  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2012-6-19 19223 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road [Deadwood Road], 1.2 miles south of its junction with Foresthill Road (Westville 7.5') 1648 Comment
  UC147611  Kelloggia galioides Harriet A. Walker 1908-6-23 1241 Placer Blue Canyon 1432 Comment
  UC662634  Kelloggia galioides L. S. Rose 1941-7-21 41338 Placer Chambers Lodge (McKinney); Lake Tahoe 1900 Comment
  UCD22299  Kelloggia galioides Beth Lowe Corbin 1982-8-2 153 Placer Onion Creek campground. In fine, sandy, granitic soil. Perennial herb with slender rhizomes; flowers white. Mostly shade. South facing slope. Locally clumped, but uncommon. 1841 Comment
  SEINET12286682  Kelloggia galioides C. F. Sonne 1885-1 s.n. Placer Colstream Comment
  SEINET8730617 Image available Kelloggia galioides L. S. Rose 1941-1 41338 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  SACT001427  Koeleria phleoides Josephine Van Ess 1980-4-23 Placer Collected at intersection with Taylor Road. Weedy area, near building. 121.9 Comment
  SEINET5338187  Kumlienia hystricula K. Brandegee 1909-4-28 92 Placer Near Auburn, in the Sierra Nevada foothills. Comment
  CAS-BOT-BC340398  Lactuca G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  CAS-BOT-BC341353  Lagophylla glandulosa David D. Keck 1933-6-1 2437 Placer South of Roseville, near Sacramento County--Placer County line Comment
  UC89190  Lagophylla glandulosa Mrs. M. E. P. Ames 1886-1-1 Placer Auburn Comment
  UCR253552  Lamium amplexicaule George K. Helmkamp, Amy Barnes 2014-4-23 22804 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
  SEINET7949735  Lamium amplexicaule D. G. Cooney 1960-4-13 8 Placer Auburn Comment
  UCR249935  Lamium purpureum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20333 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 Comment
  RSA523611  Lasthenia californica Barbara Ertter, David M. Thompson 1989-4-8 8147 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UCR198539  Lasthenia fremontii George K. Helmkamp, E. A. Helmkamp 2008-4-17 13283 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCR66538  Lasthenia fremontii C. B. Wolf 1937-5-12 08621 Placer Sacramento Valley, 1 mi north of Lincoln 46 Comment
  CAS-BOT-BC353497  Lasthenia fremontii Brandegee No date on label s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  CHSC96471  Lasthenia glaberrima Lowell Ahart; Brian Williams 2007-4-13 13632 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CAS-BOT-BC355484  Lasthenia glaberrima Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  UCD106371  Lathyrus lanszwertii var. lanszwertii C. L. Hitchcock 1949-6-6 19069 Placer Roadside ca. 5 miles south of Tahoe, W side of Lake Tahoe. Comment
  SD44642  Lathyrus nevadensis var. nevadensis Darley F. Howe 1951-5-2 2120 Placer Placer County Comment
  UC15341  Lathyrus nevadensis var. nevadensis H. N. Bolander 1865-4-15 4629 Placer Forest Hills Comment
  UCR208554  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14669 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  UCR235613  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18914 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  SEINET5327340  Lathyrus sulphureus A. Allen 1950-5-20 43 Placer On Hwy 40, 4 mi W of Gold Run, 914 Comment
  SD43623  Layia fremontii Darley F. Howe 1948-5-20 1838 Placer 455 Comment
  RSA0035477  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20355 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  UCD133982  Layia platyglossa G. K. Helmkamp; E. A. Helmkamp 2006-2-9 10063 Placer Northern Central Valley, Clark Tunnel Road and CA Highway 193, East of Lincoln. 113 Comment
  UCR196278  Leersia oryzoides Christopher M. Bronny 2007-9-24 2007- 01 Placer Yuba and Placer Countyu lines, along north and south banks of Bear ARiver below the Hwy 65 overcrossing, c. 1 mi south of Wheatland 26 Comment
  UC101766  Leontodon saxatilis subsp. saxatilis Katharine Brandegee 1889-7-5 Placer Dutch Flat Comment
  UCR260072  Leontodon taraxacoides subsp. taraxacoides George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22414 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  UCD115693  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer 1 sq. rd. infestation along S.P.R.R. tracks, 3/4 mi. n.e. of Loomis. Comment
  UCR231849  Lepidium latifolium George K. Helmkamp, E. A. Helmkamp 2010-8-11 16754 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  CAS-BOT-BC89731  Lepidium latifolium J. C. Henderson 1970-7-30 s.n. Placer Loomis. 118 Comment
  RSA285918  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer Along SPRR tracks, 0.75 mi NE of Loomis. Comment
  CDA32946  Lepidium nitidum P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  SEINET5326391  Lepidium nitidum M. Demorest 1962-3-15 s.n. Placer Junction of the North and Middle Forks of the American River, 4 miles from Auburn. 274 Comment
  RSA121681  Lepidium perfoliatum N. H. French 1933-6-15 78 Placer Clipper Gap. 518 Comment
  UCD22377  Lepidium ramosissimum Beth Lowe Corbin 1982-8-3 168 Placer Onion Creek Campground. S facing slope. Moderately abundant. Full sun. In fine, sandy, granitic soil of open, dry meadow in mixed conifer forest. Annual. Sepal margins white. 1841 Comment
  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
  CAS-BOT-BC60088  Lepidium virginicum var. menziesii A. A. Heller 1917-8-13 1753 Placer Near Summit hotel. 2133 Comment
  UC147646  Lepidium virginicum var. pubescens Harriet A. Walker 1908-6-23 1205 Placer Blue Canyon 1432 Comment
  SACT001404  Leptochloa fascicularis Josephine Van Ess 1973-6-24 Placer Collected just south on Barton Road. Wet roadside ditch. 91.5 Comment
  CHSC9521  Leptosiphon ciliatus J. F. Goodwin 1971-7-11 163 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  SEINET3861927  Leptosiphon harknessii Genevieve K. Walden 2009-6-25 208 Placer Off I-80 East before Cisco Grove Exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  SEINET11448028 Image available Lessingia leptoclada C. Kegg 1983-9-17 C 25 Placer North Fork of Middle Fork American River 488 Comment
  UC1287477  Lessingia leptoclada Willard Spence 1960-9-7 627 Placer Route 49 1 mi e Auburn (on road to Cool) Comment
  JEPS16971  Leucanthemum vulgare Peter H. Raven 1956-8-4 9982 Placer Blue Canyon; Sierra Nevada 1432 Comment
  JEPS111329  Lewisia nevadensis Steve Matson 2005-5-24 1240 b Placer Southeast of Truckee, Martis Creek Wildlife Area, 100 meters north of 267, 50 meters west of creek. 39.3033 N, 120.1211 W. Elevation 5,840 ft. 1780 Comment
  UCD22148  Lewisia nevadensis Rex Palmer 1979-6-20 N 331 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC444556  Lewisia triphylla John H. Thomas; Hazelle A. Thomas 1956-7-21 6135 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CDA24986  Ligusticum grayi J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC79638  Ligusticum grayi G. F. Hrusa; J. Glazner 1999-7-18 15203 Placer Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1889 Comment
  CAS-BOT-BC130777  Lilium pardalinum Albert Vollmer 1949-7-6 12 -D Placer Bear Valley Comment
  UC148980  Lilium parvum H. M. Hall Jul 1910 8755 Placer near Cisco; Sierra Nevada Mountains 1859 Comment
  CAS-BOT-BC508482  Lilium parvum G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC508490  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 189 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC508491  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 189 Placer Bear Valley, east of Nevada City Comment
  SEINET12049611  Lilium parvum J. H. Nishida 1985-1 775 Placer Homewood 1829 Comment
  SEINET7725732  Lilium washingtonianum Unknown Placer Summit Comment
  UCR246823  Lilium washingtonianum var. washingtonianum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16650 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  JEPS19575  Limnanthes alba Wm. H. Shockley 1879-1 Placer Auburn Comment
  POM260100  Limnanthes alba var. detonsa C. L. Hitchcock 1940-5-7 6333 Placer 1 mile west of Baxter. Comment
  RSA27967  Limnanthes alba var. detonsa C. L. Hitchcock 1940-5-7 6333 Placer 1 mile west of Baxter. Comment
  SD243171  Limnanthes floccosa subsp. californica George K. Helmkamp, E. A. Helmkamp 2011-4-10 17151 Placer Sacramento Valley: along Riosa road at the east edge of the village of Sheridan. 41 Comment
  CHSC74000  Limosella acaulis Susi Urie 1998-8-19 98 -081 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC246053  Limosella aquatica John Thomas Howell 1943-7-19 18579 Placer Summit Valley Comment
  UC30173  Linanthus bicolor H. N. Bolander 1865-1 4568 Placer Auburn Comment
  JEPS58383  Linanthus dichotomus W. H. Shockley 1880-5-7 Placer near Roseville Comment
  UCR240726  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp 2012-6-19 19235 Placer Northern Sierra Nevada Mountains, Foresthill Road, 6.9 miles east of its junction with Devil's Thumb Road 1973 Comment
  UCD128414  Linanthus pungens Albert Grigarick 2012-7-9 336 Placer Judah Peak Trail branching from Pacific Crest Trail. To sub-summit of Donner Peak. Pacific Crest Trail S from Donner Summit (Hwy 40). 2353 Comment
  UCD162567  Linaria vulgaris Steve Matson 2004-8-1 909 Placer nSNH; Tahoe Basin; Tahoe City near lakeshore at Truckee River outlet. NE of Gate Keepers Cabin. 1900 Comment
  CDA6376  Linaria vulgaris J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Gold Run. Comment
  JEPS64486  Listera convallarioides C. F. Sonne 1888-8-12 493 Placer Truckee River Sierra Nevada Mountains Comment
  SEINET9298746  Lithocarpus densiflorus Unknown 1993-11-3 11467 Placer Placer Big Trees Redwood Grove. In openings within mixed conifer forest. Common here in sunny openings. Comment
  CDA21151  Lithocarpus densiflorus var. echinoides G. F. Hrusa 1993-11-3 11467 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  UC1135297  Lithocarpus densiflorus var. echinoides N. French 1933-8-24 95 Placer Mosquito Ridge; Tahoe National Forest, Colfax Quad. 1524 Comment
  UC858198  Lithophragma A. A. Heller 1917-6-17 12698 Placer along Yuba River below Cisco; Yuba River 1676 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
  RSA293427  Lithophragma bolanderi Reino Alava 1958-5-3 2024 Placer 8 miles W of Auburn on the County Rd No 74. Comment
  JEPS127559  Lithophragma glabrum Steve Matson 1998-5-24 214 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 400 m north of Hwy 267, east of Martis Creek, along fence line, east boundary of MCWA. Comment
  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
  UC1334174  Lithospermum californicum Thomas Morley 1946-5-31 595 Placer 100 yards n.w. of Southern Pacific R.R. tracks 1/2 mi. e. Dutch Flat station (along electric pole line) 1036 Comment
  UC79326  Lithospermum ruderale C. F. Sonne June 1886 Placer <Road to Lake Tahoe> Comment
  UCD134162  Logfia gallica M. I. Wibawa 2002-5-27 260 Placer Folsom Lake State Recreation Area. 121 Comment
  SACT001445  Lolium multiflorum D. Meyer 1983-5-7 Placer Roadside Comment
  UC1137048  Lolium multiflorum August L. Hormay 1932-5-24 Placer w Auburn; w of Auburn Comment
  HSC10299  Lolium perenne L. M. Malloy 1965-4-17 28 Placer Vacant lot adjacent to Hwy. 99E in Lincoln. Comment
  CDA19561  Lomatium M. I. Wibawa, G. F. Hrusa (16043), J. Glazner 2002-5-22 246 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. scattered, 1066 Comment
  JEPS126340  Lomatium grayi Steve Matson 1998-6-14 245 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 60 yards north of Highway 267, 500 yards west of Martis Creek. Comment
  JEPS127404  Lomatium utriculatum Steve Matson 2006-4-23 1605 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. 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
  UCR194931  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12012 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SEINET9687132  Lomatium utriculatum C. Aarstad, H. Mozingo 1979-4-1 s.n. Placer 1.2 mile E of junct. of old and new Auburn-Forest Hills Road 792 Comment
  JEPS59496  Lonicera conjugialis Ezra Brainerd and Viola B. Baird 1915-7-10 249 Placer Deer Park Sierra Nevada Mtns 1920 Comment
  CAS-BOT-BC200946  Lotus Hazelle A. Thomas; John H. Thomas 1956-7-21 6183 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC200945  Lotus L. S. Smith 1926-5-30 1877 Placer Tahoe National Forest. Colfax Road 853 Comment
  RSA293386  Lotus argophyllus var. fremontii Reino Alava 1958-5-3 1999 Placer About three miles southeast of Auburn, on the road from Auburn to Forest Hill. Comment
  UCR130216  Lotus corniculatus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5093 Placer Northern Sierra Nevada Mtns., Soda Springs Rd 0.9 mi south of Donner Pass Rd, approaching Ice Lakes 2104 Comment
  SEINET3694585 Image available Lotus humistratus C. L. Hitchcock 1940-5-14 6382 Placer Meier Ranch, ca 6 miles N of Colfax 762 Comment
  UCR250593  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20467 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  CDA13719  Lotus incanus G. F. Hrusa, B. Meese 1997-5-26 13789 Placer Sierra Nevada; Italian Bar Trail, to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. Comment
  UCR208613  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14614 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  RSA406200  Lotus nevadensis Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
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Apr 29 2011
  SEINET5327442  Lotus nevadensis F. H. Hillman s.n. Placer [Sierra Nevada] between Truckee and Lake Tahoe Comment
  JEPS102602  Lotus nevadensis var. nevadensis Lowell Ahart 2001-10-10 9345 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
  UCR120239  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5035 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  POM27010  Lotus oblongifolius Marcus E. Jones 1882-6-27 3282 Placer Emigrant Gap. Comment
  UCR231845  Lotus oblongifolius George K. Helmkamp, E. A. Helmkamp 2010-8-14 16796 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  UC65764  Lotus oblongifolius var. oblongifolius P. B. Kennedy and S. B. Doten 1901-8-15 406 Placer 6 mi from French Meadows Comment
  CDA15883  Lotus pinnatus G. F. Hrusa, L. Serafini 1993-6-29 11263 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  UCR206836  Lotus pinnatus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15210 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  CDA37244  Lotus purshianus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR152264  Lotus purshianus Beecher Crampton 1972-7-26 8836 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  UC147571  Lotus purshianus var. purshianus Miss Harriet A. Walker 1908-6-24 1243 Placer Blue Canyon 1432 Comment
  UCR240965  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19917 Placer Northern Sierra Nevada Mountains, junction of Nyack Road and I-80 in the Emigrant Gap area 1652 Comment
  JEPS59492  Lotus purshianus var. purshianus Ezra Brainerd and Viola B. Baird 1915-7-22 244 Placer near Bear Rock Camp; Sierra Nevada Mts. 1889 Comment
  UC65767  Lotus purshianus var. purshianus P. B. Kennedy and S. B. Doten 1901-8-18 413 Placer French Meadows Comment
  SEINET9323463  Lotus unifoliolatus var. unifoliolatus Unknown 1972-7-26 8836 Placer Carpenter Flat E of Emigrant Gap, dry soil along rd and banks UC Davis Herbarium Comment
  SDSU4354  Lotus wrangelianus D. F. Howe 1948-5-21 1916 Placer 457 Comment
  UC2042525  Lupinus Sue Bainbridge, K. DeLong, Holly Forbes, Barbara Keller 2010-7-27 Placer Tahoe National Forest, Alpine Meadows on the dirt road adjacent to the base level building about 1.3 mile from the parking lot pavement Comment
  SEINET3246117  Lupinus adsurgens G. K. Helmkamp, E. A. Helmkamp 2007-1 12630 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 Comment
  JEPS64905  Lupinus albifrons R. E. Arp 1932-4-17 2 Placer Region of Auburn 609 Comment
  SEINET5327612  Lupinus albifrons K. Klein 1976-3-13 s.n. Placer South of Auburn along the North fork of the American River. 290 Comment
  SEINET5327623  Lupinus albifrons A. Allen 1950-4-30 28 Placer 2 miles east of Auburn on Hwy 40. Comment
  UCR250446  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  UCR173267  Lupinus albifrons var. collinus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10429 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCD22019  Lupinus apertus Rex Palmer 1979-6-9 N 159 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  SEINET5227668 Image available Lupinus arbustus Unknown 1909-7-16 9857 Placer Summit, Placer Co Comment
  CAS-BOT-BC208844  Lupinus argenteus var. meionanthus John Thomas Howell 1943-7-21 18674 Placer Mt. Lincoln Comment
  RSA414452  Lupinus aridus Kessler s.n. Placer Lake Tahoe. Comment
  UCR258240  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20239 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  SEINET5328112  Lupinus bicolor A. Allen 1950-4-29 20 Placer 3 miles east of Roseville on Highway 40 Comment
  RSA43817  Lupinus bicolor subsp. microphyllus D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 610 Comment
  JEPS127424  Lupinus breweri var. breweri Steve Matson 1997-7-17 103 Placer nSNH Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; just northeast of west end of golf course. Comment
  RSA26143  Lupinus latifolius subsp. longipes J. T. Howell 1951-6-28 27662 Placer Jamison Creek. 1585 Comment
  RSA413734  Lupinus latifolius var. columbianus Wm. Martin 1971-9-10 20262 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UCD108251  Lupinus lepidus var. confertus G. K. Helmkamp; E. A. Helmkamp 2005-9-30 9964 Placer Northern High Sierra Mountains: ca. 3.5 mi NW of Lake Tahoe; Along the Truckee River and CA Highway 89, 0.1 mi N of Alpine Meadows Road. 1902 Comment
  SJSU10719  Lupinus lepidus var. lobbii R. L. Fisher 1957-8-5 Placer Emigrant Meadow 3 mi S of Norden at headwaters of S Fork Yuba R 2286 Comment
  RSA413788  Lupinus lyallii var. lyallii Bonnie C. Templeton 1931-7-5 1506 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  CAS-BOT-BC438823  Lupinus microcarpus var. densiflorus George K. Helmkamp; Mary Alice Barnes 2013-5-3 20459 Placer Northern Sierra Nevada Mountains Foothills: Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 deg. ) of Auburn. 672 Comment
  CAS-BOT-BC226940  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
  RSA0038508  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20471 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SEINET3815513 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Foothills, northern Sierra Nevada Mountains: Finning Mill Road at the junction with Forest Hill Road 346 Comment
  RSA761030  Lupinus nanus Barbara Ertter, David Thompson 1989-4-9 8188 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  UC710398  Lupinus nanus C. P. Smith 1946-5-1 46245 Placer Hiway 99e, 1 mi s Sheridan (at Big Yankee Slough); , Big Yankee Slough Comment
  CHSC96480  Lupinus pachylobus Lowell Ahart; Brian Williams 2007-4-13 13643 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  JEPS113167  Lupinus pachylobus Lowell Ahart, Brian Williams 2007-4-13 13643 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  RSA0025572  Lupinus polyphyllus John F. Emmel 1996-7-17 1443 Placer Sierra Nevada, Donner Pass area; 0.0-0.1 air mi south and 0.4-0.5 air mi west of 8,243 ft peak of Mt. Judah. 2280 Comment
  UCR188841  Lupinus polyphyllus subsp. polyphyllus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11708 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  SEINET8060070  Lupinus polyphyllus var. burkei Trevitt 1932-7-5 s.n. Placer [Sierra Nevada] Tahoe Vista 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
  UCD144415  Lupinus stiversii G. F. Hrusa 1995-5-20 12183 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  SEINET8057999  Lupinus succulentus A. Allen 1950-4-29 18 Placer 1/2 mile west of Rocklin on highway 40, railroad right of way Comment
  POM215767  Lupinus vallicola subsp. vallicola D. D. Keck 1933-6-1 2434 Placer Loomis, city limits on road to Folsom. Comment
  RSA43803  Lupinus vallicola subsp. vallicola D. F. Howe 1948-5-20 s.n. Placer Placer 457 Comment
  UCD42901  Luzula comosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 269 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR173516  Luzula comosa George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10133 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UCR235387  Luzula comosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18949 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 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
  CHSC67717  Luzula divaricata James D. Jokerst 1986-7-13 2724 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, in Sheet Valley. 2133 Comment
  SD239494  Luzula macrantha George K Helmkamp, E. A. Helmkamp 2012-5-5 18937 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  UC144638  Luzula subcongesta A. A. Heller 1903-8-10 7135 Placer above Donner Pass 2286 Comment
  UCD124886  Lycopus americanus Beecher Crampton 1953-10-6 1660 Placer north Lincoln city limit. 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
  JEPS99000  Lythrum portula Lowell Ahart 2001-10-10 9344 Placer French Meadows Reservoir, near boat or trail access area on NW side of reservoir, about 1 mi SW of bridge across Middle Fork of American River, about 2 mi SW of Ahart Camp, about 22 mi (air) NE of Forest Hill. 1594 Comment
  UC34791  Madia citriodora unknown 1865-4-13 Placer New Castle Comment
  CDA37077  Madia elegans CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SDSU4733  Madia elegans subsp. densifolia D. F. Howe 1962-8-10 3418 Placer 1.2 miles north of Auburn. 457 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
  UCR218130  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16382 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC342840  Madia glomerata R. F. Hoover 1967-9-5 10846 Placer Carnelian Bay, Lake Tahoe Comment
  CAS-BOT-BC342841  Madia glomerata Peter Rubtzoff 1976-9-18 8839 Placer Lake Van Norden 2063 Comment
  CDA13697  Madia glomerata G. F. Hrusa, J. Glazner 1997-8-3 14057 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC73019  Madia glomerata L. P. Janeway 1998-8-6 5981 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCR240967  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19919 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  UCD162512  Madia gracilis Steve Matson 1997-6-15 7 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork snow creek; north of 'big pine' meadow. 1908 Comment
  UCR229538  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17855 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  POM284521  Madia minima Lyman Benson 1933-6-26 4527 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  CHSC10706  Maianthemum racemosum Lowell Ahart 1963-7-1 Placer Near Robinson Flat. 1676 Comment
  SCFS11529137  Maianthemum racemosum E. Krimmel, F. Felix 2012-9-13 Placer NFAm, downstream from Cedars. On streambank. Comment
  SEINET8491550  Maianthemum racemosum A. Tiehm 1973-9-23 s.n. Placer Seven miles W of Donner Summit on I-80. 1981 Comment
  UCD139061  Maianthemum racemosum Rolf Y. Berg 1963-7-9 s.n. Placer State Highway 20, ca. 2 miles west of junction with U.S. Highway 40 at Emigrant Gap. Comment
  UCD44482  Maianthemum racemosum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1848 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC508530  Maianthemum racemosum subsp. amplexicaule M. E. Parsons 1909-1-1 s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC512084  Maianthemum racemosum subsp. amplexicaule A. A. Heller 1917-6-17 12706 Placer Near the Yuba river below Cisco. 1676 Comment
  UCD116557  Malva nicaeensis Lynn Gould 1962-4-17 55 Placer ca. 6 miles west of Roseville on P.F.E. Road. 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
  CAS-BOT-BC67839  Marsilea vestita David D. Keck 1933-6-1 2438 Placer South of Roseville, near Sacramento County - Placer County line. Comment
  SEINET6166091  Marsilea vestita subsp. vestita J. T. Howell 1961-9-25 36949 Placer Feather River bed, Portolla 1478 Comment
  UC1745628  Marsilea vestita subsp. vestita Annetta M. Carter 1945-11-4 1734 Placer 4.5 mi. NW of Roseville; Sacramento Valley, Pleasant Grove Creek; Pleasant Grove Creek, 4.5 mi. NW of Roseville on road to Marysville. Sacramento Valley. Comment
  UCD22011  Medicago lupulina Beth Lowe Corbin 1982-8-13 347 Placer 1/2 mile west of The Cedars. In damp, fine, sandy, soil in meadow. Flowers yellow. Mostly sun. West facing slope, 10% incline. Common. 1722 Comment
  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
  CAS-BOT-BC269215  Melica aristata California Academy of Sciences 1870-6-1 s.n. Placer Cisco, Sierra Nevada Mountains Comment
  UCD67013  Melica aristata Beecher Crampton 1955-6-15 2905 Placer Yankee Jims. Comment
  CHSC67742  Melica bulbosa James D. Jokerst 1986-7-13 2734 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, just below the summit of Needle Peak. Comment
  CHSC67861  Melica bulbosa var. inflata James D. Jokerst 1986-7-13 2742 A Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, above Ted Beedy's 'El Cap' on trail traversing slope. Comment
  SACT001502  Melica californica Josephine Van Ess 1980-5-7 Placer Collected about 1 mile east of highway 49. roadside serpentine area. 4146.0 Comment
  UC818854  Melica fugax Alice Eastwood Jun 15 1912-Jun 19 1912 463 Placer Lake Tahoe Region Comment
  UCD149395  Melica geyeri G. Ledyard Stebbins 1976-7-4 7681 Placer Little Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SACT001521  Melica harfordii D. Meyer 1984-8-4 Placer wet roadside ditch and shaded hillside seeping water 1454.0 Comment
  SACT001522  Melica harfordii D. Meyer 1984-8-17 Placer 667.0 Comment
  SACT001528  Melica stricta Michael Baad 1976-8-4 Placer Ascent of creek bed draining Comment
  CAS-BOT-BC262449  Melica subulata G. L. Stebbins 1977-7-9 7769 Placer Along trail from McKinistry Lake to Rubicon River 1889 Comment
  SACT001556  Melica torreyana D. Meyer 1984-6-23 Placer 1 km from Interstate 80 Frontage Road, shady hillside with Oak and Douglass Fir 978.0 Comment
  CHSC79164  Melilotus albus Beecher Crampton 1972-7-26 8848 Placer Carpenter Flat east of Emigrant Gap. Drainage ditch along Laing's road. 1615 Comment
  JEPS127548  Melilotus albus Steve Matson 2002-7-12 608 Placer nSNH: Tahoe north shore; Snow Creek watershed. Tahoe Vista/Kings Beach, near pond. Comment
  UCD33731  Mentha spicata Beecher Crampton 1972-7-26 8840 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  JEPS126287  Mentzelia dispersa Steve Matson 1998-6-21 260 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters north of Highway 267. Comment
  UC872465  Mentzelia dispersa Alice Eastwood Jun 15 1912-Jun 19 1912 683 Placer Lake Tahoe Region, Deer Park Comment
  CAS-BOT-BC428678  Micranthes bryophora John Thomas Howell 1943-7-21 18650 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC428679  Micranthes bryophora Kellogg 1870-1-1 s.n. Placer Cisco Comment
  JEPS127556  Micranthes bryophora Steve Matson 2004-8-1 1081 Placer nSNH: Tahoe Basin west shore; Blackwood Canyon, 1/2 mile SE of Barker Pass. Comment
  SCFS1044  Micranthes bryophora E. Krimmel 2014-8-7 Placer high alpine meadow Comment
  UCD22372  Micranthes bryophora Rex Palmer 1979-6-19 N 244 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD75725  Micranthes bryophora Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5162 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  UCD75747  Micranthes bryophora Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5213 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2270 Comment
  CAS-BOT-BC428873  Micranthes californica John H. Thomas; Hazelle A. Thomas 1956-7-21 6125 Placer Sierra Nevada. Vicinity of Donner Passs, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC429028  Micranthes nidifica C. F. Sonne 1886-6-6 355 Placer Sierra Nevada Mts. On road to Tahoe Comment
  CAS-BOT-BC429297  Micranthes tolmiei C. F. Sonne 1885-8-23 92 Placer Sierra Nevada Mts. Tinker Knob 2895 Comment
  SEINET12220885  Micranthes tolmiei C. F. Sonne 1885-1 92 Placer Tinkers Knob S.N. Mts. [Sierra Nevada] 2896 Comment
  CAS-BOT-BC348386  Micropus californicus var. californicus David D. Keck 1933-5-31 2429 Placer Just south of Auburn on road to Roseville 305 Comment
  SEINET3167477  Micropus californicus var. californicus R. W. Spellenberg, N. Zucker 2010-4-16 14155 Placer N. edge of Lincoln along Hwy 65 45 Comment
  CAS-BOT-BC349326  Microseris nutans John H. Thomas; Hazelle A. Thomas 1956-7-21 6118 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CHSC79682  Microseris nutans G. F. Hrusa; J. Glazner 1999-7-18 15185 Placer Northern California; Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  JEPS88683  Microseris nutans L. S. Smith 1926-5-25 1852 Placer below Millers Defeat (Mosquito Ridge); , Tahoe Forest 1676 Comment
  UCD21782  Microseris nutans Beth Lowe Corbin 1982-8-6 264 Placer 1/4 mile SW of Onion Creek campground. 1889 Comment
  CAS-BOT-BC349325  Microseris nutans Albert Kellogg 1870-1-1 s.n. Placer Camp Yuba: Cisco, Sierra Nevada Mts. Comment
  RSA26978  Mimulus angustatus C. L. Hitchcock 1940-5-14 6397 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  RSA0012160  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17688 Placer Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  UCD122225  Mimulus aurantiacus M. H. Mills 1996-4-12 146 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCD144313  Mimulus aurantiacus G. F. Hrusa 1995-5-20 12185 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  UCR194952  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12025 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  CDA16996  Mimulus bicolor G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16049 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC112814  Mimulus bicolor Katharine Brandegee 1908-6-5 Placer Magra Station Comment
  UC124343  Mimulus bicolor A. Kellogg June 1870 523 Placer alta Comment
  SCFS11529138  Mimulus cardinalis E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2.5 mi downstream from Cedars. Growing in creek gravel bar near confluence with river. Comment
  JEPS59502  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-10 257 Placer Deer Park Sierra Nevada Mts. 1920 Comment
  RSA569047  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC26979  Mimulus guttatus C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  JEPS59500  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-22 255 Placer e Truckee River (Bear Rock); Sierra Nevada Mts. 1898 Comment
  RSA0042077  Mimulus kelloggii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20346 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCD21888  Mimulus lewisii Rex Palmer 1979-7-25 N 676 Placer Exact location unknown. Comment
  JEPS71713  Mimulus lewisii Gladys L. Smith 1972-8-25 3436 Placer meadow below North cirque; Granite Chief 2575 Comment
  UC445154  Mimulus microphyllus H. M. Hall 1910-6-28 8721 Placer opposite Cisco; Sierra Nevada Mts., Rattlesnake Creek 1828 Comment
  UCD43913  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-25 1279 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS103315  Mimulus moniliformis Lowell Ahart 2002-7-22 9901 Placer About 40 yards NW of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1774 Comment
  CDA15642  Mimulus moschatus G. F. Hrusa, J. Glazner 1999-7-18 15212 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC82571  Mimulus moschatus Lowell Ahart 2002-7-22 9901 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
  UCD21877  Mimulus moschatus Beth Lowe Corbin 1982-8-10 289 Placer 3/4 mile west of Onion Creek campground. 2023 Comment
  UCD21891  Mimulus moschatus Rex Palmer 1979-7-9 N 436 Placer Onion Creek meadow #2. Comment
  RSA435498  Mimulus moschatus var. longiflorus Fay A. MacFadden 1934-7-9 12568 Placer Emigrant Gap. Comment
  UC193047  Mimulus tilingii C. F. Sonne Jul 25 1895-Aug 1 1895 Placer w slope Washoe Mts. Comment
  SCFS1235  Mimulus torreyi E. Krimmel 2013-1 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook at Land of the Lost. Comment
  SCFS5066  Mimulus torreyi E. Krimmel 2014-6-26 Placer Above NF river on north side, not far above Heath Falls overlook Comment
  UC485725  Minuartia californica Milo S. Baker 1900-2-11 Placer near Auburn 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-BC432907  Mitella John H. Thomas; Hazelle A. Thomas 1956-7-21 6176 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC432975  Mitella breweri A. A. Heller 1909-7-16 9833 Placer Summit 2133 Comment
  CDA16797  Mitella breweri G. F. Hrusa, J. Glazner 2001-7-15 15936 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2286 Comment
  UCD42796  Mitella breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 162 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC222098  Monardella odoratissima subsp. pallida John H. Thomas; Hazelle A. Thomas 1956-7-21 6100 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC222099  Monardella odoratissima subsp. pallida Lewis S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  CAS-BOT-BC318590  Monardella odoratissima subsp. pallida Geo. B. Grant 1906-7-20 7055 Placer Tahoe Tavern, Lake Tahoe Comment
  CHSC67818  Monardella odoratissima subsp. pallida James D. Jokerst 1986-7-13 2739 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap'. Comment
  SBBG72004  Monardella odoratissima subsp. pallida M. N. Ackley -Jun-1925 460 Placer Shirttail Cyn, American River 762 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
  UC1048670  Monardella odoratissima subsp. pallida Lewis S. Rose 1941-7-16 41316 Placer Homewood Lake Tahoe 1920 Comment
  UC883621  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1935-6-18 Placer Near Tahoe City 1898 Comment
  UCR190151  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2007-8-1 12642 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  RSA0017405  Monardella odoratissima subsp. pallida Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  SEINET10582105  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 274 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  SCFS1207  Monardella sheltonii E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Off S. slope near top. Top Meadow. Comment
  RSA0022808  Monardella villosa Donald Wyrick 1961-6-21 296 Placer On Klamath River Road just west of Highway 99. 762 Comment
  UCD43991  Montia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1357 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
Read comments
Aug 7 2007
  CHSC73979  Montia chamissoi Susie Urie 1998-8-11 98 -017 Placer Lake Tahoe Basin. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  JEPS59506  Montia chamissoi Ezra Brainerd and Viola B. Baird 1915-7-7 260 Placer Sierra Nevada Mountains, Squaw Valley Squaw Valley; Sierra Nevada Mountains, Squaw Valley 1920 Comment
  JEPS82037  Montia fontana Gladys L. Smith 1982-6-24 7425 Placer near Squaw Valley (Goose Meadow, along Rte 89); Goose Meadow Comment
  CDA15758  Muhlenbergia filiformis G. F. Hrusa, L. Serafini 1993-6-29 11250 Placer Common in dense mats on poorly drained gravelly flats among granite boulders. Huckleberry oak chaparral within white fir-ponderosa pine forest. S side of French Meadows Reservoir, immed. below dam. Annual. Comment
  CHSC81853  Muhlenbergia filiformis Lowell Ahart 2001-10-10 9359 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
  UCD22225  Muhlenbergia filiformis Rex Palmer 1979-7-9 N 442 Placer Headwaters basin area of the North Fork of the American River 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
  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
  UCD102563  Myriophyllum spicatum John D. Madsen; David F. Spencer 1996-4-2 s.n. Placer From Truckee River, adjacent to California Highway 89, approximately 150 m downstream of the damn at Tahoe City, California. Comment
  POM312394  Myriophyllum verticillatum S. Galen Smith, Malcolm A. Nobs 1949-8-21 1510 Placer Between Sandy Beach and Agate Bay, noryh end of Lake Tahoe. Comment
  UC1069120  Nama lobbii R. W. Lundh 1933-4-26 235 Placer 3 mi s Signal Peak; Colfax Quad. Tahoe National Forest, s of Signal Peak Comment
  UCR237435  Narcissus poeticus George K. Helmkamp, E. A. Helmkamp 2012-2-23 18574 Placer Sacramento Valley, Nicolaus Road, 0.4 mile west of South Dowd Road, west of Lincoln 45 Comment
  CHSC79341  Navarretia Beecher Crampton 1977-7-2 9511 Placer 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  UCD22115  Navarretia breweri Rex Palmer 1979-7-12 N 609 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD44423  Navarretia capillaris C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1789 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC126071  Navarretia divaricata Katharine Brandegee Jul 1908 Placer near Cape Horn Comment
  JEPS127407  Navarretia divaricata subsp. divaricata Steve Matson 1998-6-21 267 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area north side of Highway 267, east of Martis Creek. Comment
  UC1124094  Navarretia divaricata subsp. divaricata B. Bolt 1934-6-19 149 Placer Tadpole Spring Tahoe National Forest, Colfax Quad. 1950 Comment
  UC217360  Navarretia divaricata subsp. vividior H. M. Hall 1910-6-25 8712 Placer Cisco Sierra Nevada Mountains Comment
  UCR146676  Navarretia divaricata subsp. vividior Beecher Crampton 1955-6-15 2921 Placer Sierra Nevada Mountains, 10 wiles west of Forest Hill 549 Comment
  UC1040678  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer 3 mi n Roseville- (U.S. Hwy 99 E) Comment
  SEINET178555  Navarretia filicaulis Marcus E. Jones 1982-7-3 3417 Placer Colfax Comment
  CHSC74113  Navarretia intertexta subsp. propinqua Susi Urie 1998-8-11 98 -019 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  JEPS127410  Navarretia intertexta subsp. propinqua Steve Matson 1998-6-27 303 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area north side of Highway 267, just west of Martis Creek. Comment
  RSA469428  Navarretia leptalea L. S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  UCD22108  Navarretia leptalea Rex Palmer 1979-6-20 N 330 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS69641  Navarretia leptalea subsp. leptalea L. S. Smith 1925-7-14 1679 A Placer French Meadows Tahoe National Forest, Middle Fork American River 1767 Comment
  UCD48530  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer 2 miles north of Lincoln. Vernal pool bed; dry pasture, Sunnybrook farm (Francheschi). Comment
  CHSC24707  Nemophila heterophylla T. C. English 1976-4-18 34 Placer N side of abandoned R. R., n fork of the American River, 2 1/4 mi w of Hwy 49 bridge. 335 Comment
  UC1586073  Nemophila heterophylla Barbara Ertter with David Thompson 1989-4-9 8193 Placer ne Auburn (halfway down road to Lake Clementine (= North Fork Lake)); dwn rd to Lake Clementine (= North Fork Lake), ne of Auburn 304 Comment
  CAS-BOT-BC7208  Nemophila humilis Alice Eastwood 1898-6-8 s.n. Placer Summit Comment
  UCD120212  Nemophila menziesii Lynn Gould 1962-3-24 11 Placer 6 miles west of Roseville. Comment
  UCD119925  Nemophila parviflora Terri Williamson 1990-4-15 6 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  UCR250650  Nemophila pulchella var. gracilis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20374 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  JEPS127465  Nemophila spatulata Steve Matson 2003-6-15 799 Placer nSNH; Tahoe Basin; Kings Beach/Tahoe Vista; Snow Creek Watershed. Comment
  POM73897  Nemophila spatulata Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC349911  Nothocalais alpestris L. S. Smith 1928-6-28 2422 Placer Tahoe National Forest. Miller Lake Range 2042 Comment
  UCD149397  Notholithocarpus densiflorus G. Ledyard Stebbins 1976-7-4 7682 Placer Little Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET6824803  Oemleria cerasiformis B. Rice 1941-3-10 s.n. Placer Near Colfax Comment
  UCD124132  Oenothera elata subsp. hirsutissima Ellen Dean; Marcel Rejmanek 2012-10-9 7506 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD42920  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 288 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44611  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1977 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 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
  UCD150741  Orobanche uniflora James A. Neilson Jr. 1971-6-30 2162 Placer Tahoe Basin, Lower Ward Creek, Plot # 130. 1935 Comment
  UCD21899  Orthocarpus cuspidatus subsp. cryptanthus Rex Palmer 1979-7-25 N 672 Placer Headwaters basin area of the North Fork of the American River Comment
  SJSU3256  Orthocarpus cuspidatus subsp. cryptanthus R. L. Fisher 1959-8-4 Placer Emigrant Meadow 2286 Comment
  UCR235385  Osmorhiza George K. Helmkamp, E. A. Helmkamp 2012-5-11 18947 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  JEPS14029  Osmorhiza berteroi Rimo Bacigalupi with G. L. Stebbins, J. Hunziker, F. Ehrendorfer, A. Hawkes, D. Zohary & H. Stutz 1952-7-19 3864 Placer ridge between Indian Creek and North Fork American River (near site of Monona Flat, about 2 1/2 mi e of Iowa Hill) 990 Comment
  SACT001644  Panicum pacificum Michael Baad 1983-6-27 Placer 4 miles east southeast of Forest Hill 365.0 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
  CAS-BOT-BC175506  Parnassia fimbriata Allen L. Chickering 1946-8-30 s.n. Placer On north slope of Granite Chief 2749 Comment
  UCR258215  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20056 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  SACT001664  Paspalum dilatatum Josephine Van Ess 1976-6-7 Placer Collected just east of tennis courts. Moist roadside. 103.7 Comment
  UC791002  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mi n Lincoln Comment
  CDA32599  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln, irrigation ditch. 0 Comment
  UCD75685  Pectiantia breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5134 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
  SDSU4032  Pectocarya pusilla unknown 1951-5-3 2171 Placer 823 Comment
  SEINET3159812  Pedicularis attollens H. A. Walker 1470 Placer near Cisco Lake. Cisco Comment
  UC128137  Pedicularis racemosa Miss Harriet A. Walker 1908-7-29 1502 Placer on trail to Mud Lake; Cisco 1828 Comment
  JEPS111208  Pedicularis semibarbata Steve Matson 2005-7-4 1364 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  RSA686808  Pellaea brachyptera May N. Ackley 1925-06 77 Placer Near Emigrant Gap 1677 Comment
  CAS-BOT-BC67605  Pellaea bridgesii John H. Thomas; Hazelle A. Thomas 1956-7-21 6223 Placer Sierra Nevada - vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC67608  Pellaea bridgesii Alice Eastwood 1909-7-1 s.n. Placer Lake Tahoe region - Ward Pass Comment
  RSA21568  Penstemon azureus subsp. azureus Carl B. Wolf 1937-9-4 9286 Placer Sierra Nevada, Auburn to Truckee Road, S side of S Fork of Yuba River, Near Cisco. 1799 Comment
  NY571157  Penstemon azureus var. azureus M. J. Williams 1985-7-13 8562- 2 Placer Near the beginning of the Pacific Crest Trail, near summit of old Donner Highway, Sierra Nevada 2151.9 Comment
  SEINET3160325  Penstemon deustus G. B. Grant 1906-1 M Placer about Lake Tahoe 2438 Comment
  JEPS111299  Penstemon gracilentus Steve Matson 2005-8-7 1455 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
  UC54986  Penstemon heterophyllus var. purdyi C. F. Sonne 1891-5-17 15 Placer below Auburn; Sierra Nevada Mountains, below Auburn Comment
  NY951329  Penstemon neotericus C. A. Wellner 1984-6-21 3065 Placer 1524 Comment
  CAS-BOT-BC239276  Penstemon newberryi var. berryi John H. Thomas; Hazelle A. Thomas 1956-7-21 6158 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC566032  Penstemon roezlii G. T. Nordstrom 1934-6-19 122 Placer 0.5 mi ne of mouth Monumental Creek; Colfax Quad. 1463 Comment
  UCR231009  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16797 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
  JEPS8658  Penstemon roezlii Rimo Bacigalupi 1952-7-19 3866 Placer about 2 1/2 mi e Iowa Hill (near site of Minona Flat, on ridge between Indian Creek and North Fork of the American River); btw Indian Creek and North Fork American River, Minona Flat 990 Comment
  CAS-BOT-BC239578  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133 Comment
  CAS-BOT-BC239579  Penstemon rydbergii var. oreocharis Leland S. Smith 1928-6-9 2317 Placer Squaw Valley Comment
  NY651286  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  JEPS59361  Penstemon speciosus Ezra Brainerd and Viola B. Baird 1915-7-23 111 Placer Tahoe City Sierra Nevada Mts., Tahoe City 1920 Comment
  NY661071  Penstemon speciosus C. B. Wolf 1937-9-4 9288 Placer Sierra Nevada, Auburn-Truckee Road S. side S. Fork Yuba River near Cisco 1798.3 Comment
  RSA0070785  Pentagramma triangularis Sara Crofts 1929-05 86 Placer Penryn. 213 Comment
  SEINET6626624  Pentagramma triangularis P. L. Henderson 1975-9-21 62 Placer North and Middle Fork American River. 274 Comment
  UCR110977  Perideridia bolanderi George K. Helmkamp, E. A. Helmkamp 1999-6-30 5105 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UCR201935  Perideridia lemmonii George K. Helmkamp, E. A. Helmkamp 2008-8-20 14032 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
  UCR207870  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2009-4-22 14576 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCD22076  Phacelia Rex Palmer 1979-6-20 N 325 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD41458  Phacelia Ellen Dean; Davis Botanical Society 2003-5-17 1755 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main Street. 1066 Comment
  UCD82832  Phacelia Robin McMaster 1973-6-3 448 Placer 2 mi W Lake Spaulding. Comment
  UCR240916  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19241 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  JEPS14030  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3877 Placer nr. headwaters of Shirttail Creek (6 mi e of Iowa Hill); Tahoe Nat. Forest, Shirttail Public Camp 1127 Comment
  UC1208873  Phacelia heterophylla subsp. virgata G. T. Nordstrom 1934-6-22 154 Placer Mammoth Springs Tahoe National Forest, Colfax Quadrangle Comment
  UC1055962  Phacelia heterophylla subsp. virgata Edw. L. Greene 1895-7-28 Placer s Truckee; Washoe Mts. Comment
  SEINET5759301  Phacelia heterophylla var. virgata M. J. Williams 1974-8-8 74 -PL-33 Placer Sierra Nevada, Murphy's Meadow, 5 mi. SW of Hirschdale 2316 Comment
  JEPS21168  Phacelia marcescens N. French 1934-5-24 362 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  UC660091  Phacelia marcescens G. L. Stebbins Jr. 1940-6-9 3036 Placer 1 mi w Cisco; South Fork Yuba River Comment
  SD241060  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17857 Placer Northern Sierra Nevada Mountains: Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 miles NE (65a^z) of Emigrant Gap (Blue Canyon 7.5'Q) 484 Comment
  UC1051801  Phacelia mutabilis Malcomb Nobs 1950-9-24 Placer e slope Squaw Peak 2133 Comment
  RSA42327  Phacelia mutabilis Lincoln Constance 1946-7-2 3094 Placer Above Truckee River 1 mile southeast of Squaw Creek. 1829 Comment
  SEINET5507916  Phacelia nemoralis P. B. Kennedy, S. B. Doten 1901-8-18 416 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  SEINET3158314  Phacelia racemosa K. Brandegee 1908-7-15 sn Placer Cisco Comment
  UC881202  Phacelia racemosa Alice Eastwood 1909-1 229 Placer Squaw Creek Lake Tahoe Region Comment
  UCR240912  Phacelia racemosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19233 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  CHSC67951  Phacelia stebbinsii James D. Jokerst 1988-6-6 3005 Placer Ca. 1 mi W of Ramsey Crossing, N of Long Canyon Creek. Comment
  UCD120688  Phacelia stebbinsii G. L. Stebbins 1977-7-9 7762 Placer Along trail from McKinistry Lake to Hell Hole Reservoir. 1706 Comment
  UCD120700  Phacelia vallicola G. L. Stebbins; L. D. Smith 1978-5-29 7898 Placer Northeast end of Ralston Ridge, about 1/4 mile south of Forest Service road below highest point of ridge. 1554 Comment
  UCD41264  Phacelia vallicola Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1721 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UCD88509  Phalaris arundinacea August L. Hormay 1932-7-8 s.n. Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  CAS-BOT-BC259075  Phalaris lemmonii L. R. Abrams 1935-4-20 13685 Placer Roseville Comment
  UC565948  Philadelphus lewisii N. French and A. E. Wieslander 1933-6-18 79 Placer Middle Fork of American River Placerville Quadrangle 457 Comment
  JEPS75177  Phleum alpinum Gladys L. Smith 1972-8-23 3427 Placer n face Granite Chief (between junction of Pacific Trail and cirque); n face of Granite Chief 2621 Comment
  UCD44550  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1916 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC23925  Phlox diffusa C. J. Fox Jr. Jul 1895 Placer near Squaw Peak Comment
  UCD21970  Phlox diffusa Rex Palmer 1979-6-9 N 163 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCD69329  Phlox diffusa Ted Graber 1984-5-28 12 Placer Placer Co.; on Soda Springs Rd. 1.5 mi. from Serene Lakes along edge of ridge; in Lodgepole Forest dominanted by Prunus, Pinus contorta and Juniperus; fairly common herb, 1 dm. tall with violet/blue flowers; growing in dry, gravelly soil with granite parent material in full sun with high wind exposure. 2072 Comment
  UC23685  Phlox gracilis C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  UC23966  Phlox gracilis State Survey 1890-1 4508 Placer near Auburn Comment
  UC373151  Phlox gracilis Marcus E. Jones, A. M. 1882-6-23 Placer Emigrant Gap Comment
Read comments
Aug 21 2008
  UC856742  Phoenicaulis cheiranthoides Alice Eastwood Jun 15 1912-Jun 19 1912 367 Placer Lake Tahoe Region, Deer Park Deer Park; Lake Tahoe Region, Deer Park Comment
  JEPS102476  Phoradendron densum Lowell Ahart 2001-10-10 9336 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
  UC1121045  Phyllodoce breweri N. French 1934-6-8 405 Placer Tahoe National Forest, Cisco Butte Cisco Butte; Tahoe National Forest, Cisco Butte 2072 Comment
  SEINET7270713  Phyllodoce breweri W. D. Billings 1951-8-21 2151 Placer Sierra Nevada, east side of Granite Chief 2621 Comment
  UCR231865  Physocarpus capitatus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17030 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  SD254674  Phytolacca americana George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20090 Placer Sacramento Valley: South Dowd Road, 0.1 mile south of its juncion with Moore Road, SW of Lincoln (Pleasant Grove 7.5'Q) 34 Comment
  UCD73854  Pinus attenuata Sue Nichol 2008-5-28 s. n. Placer Along Hwy 80. Southwest of Gold Run, on Magra Road northeast of Secret Town Road exit. Between Magra Road and the highway. 905 Comment
  SEINET5334519  Pinus contorta var. murrayana W. D. Billings 1951-8-21 2153 Placer East side of Granite Chief, Sierra Nevada. 2621 Comment
  SEINET11611048  Pinus lambertiana W. Priest 1956-4-16 s.n. Placer On U.S. Highway 40 just W of Baxter 1067 Comment
  CAS-BOT-BC78932  Pinus monticola Ira L. Wiggins 1930-10-12 5082 Placer Donner Summit 2174 Comment
  SEINET11738783  Pinus monticola H. H. Heller 1934-1 s.n. Placer Lake Tahoe Comment
  SEINET5334725  Pinus monticola W. D. Billings 1951-8-21 2152 Placer E. side of Granite Chief, Sierra Nevada 2621 Comment
  SBBG24261  Pinus murrayana E. R. Blakley 1960-8-30 3798 Placer Lake Tahoe at mouth of Carnelian Crk 1905 Comment
  SBBG58821  Piperia transversa M. N. Ackley -Jun-1925 692 Placer Towle 1127 Comment
  UCD22153  Plagiobothrys Rex Palmer 1979-5-27 N 47 Placer Headwaters basin area of the North Fork of the American River 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
  JEPS60951  Plagiobothrys cusickii W. H. Shockley June 1882 322 Placer Soda Springs; summit Comment
  CAS-BOT-BC230947  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 291 Placer Lake Tahoe Region. Ward Pass Comment
  CHSC82582  Plagiobothrys hispidulus Lowell Ahart 2002-7-22 9881 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UC1221757  Plagiobothrys hispidulus Beecher Crampton 1958-6-24 4954 Placer ca 4 mi se Truckee; Martis Valley Comment
  UCR238575  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18646 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SD43625  Plagiobothrys nothofulvus Darley F. Howe 1948-5-20 1839 Placer 456 Comment
  UCR253528  Plagiobothrys shastensis George K. Helmkamp, Amy Barnes 2014-4-23 22792 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
  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
  UCR233012  Plagiobothrys stipitatus var. stipitatus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17257 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
  RSA756487  Plantago erecta Barbara J. Ertter, David Thompson 1989-4-8 8157 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 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
  UC1950083  Plantago erecta Barbara Ertter with David Thompson 1989-4-8 8157 Placer Iowa Creek Road ca 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing; S-facing hillside Comment
  POM69140  Plantago lanceolata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  HSC83343  Plantago lanceolata Gary H. Bolton 1975-5-24 42 Placer Upper Sierran foothills, intersection of Spring Garden Rd. and Auburn-Forest Hill Rd., Comment
  JEPS103408  Plantago major Lowell Ahart 2002-7-22 9892 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UCD21984  Plantago major Beth Lowe Corbin 1982-8-12 329 Placer Onion Creek campground. In sandy soil. Disturbed meadow near stream. Perennial. Inflorescence green. Full sun. SW facing slope, 5% incline. Common. 1841 Comment
  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
  SJSU9122  Platanthera sparsiflora Robert L. Fisher 1959-8-5 Placer Emigrant Meadow at head of Sugar Bowl Creek (S Fork Yuba R) 3 mi S of Norden 2286 Comment
  UC942762  Plectritis ciliosa subsp. ciliosa Peter H. Raven, G. L. Stebbins Jr. 1952-4-20 3998 Placer 2.5 mi s of Bear River Crossing (on road to Auburn) 335 Comment
  CAS-BOT-BC244351  Poa annua L. S. Smith 1926-4-11 1778 Placer Forest Hill Divide, road to Sugar Pass 1097 Comment
  SACT001782  Poa annua D. Meyer 1984-5-6 Placer 145.5 Comment
  SEINET7708966  Poa annua A. Tiehm, H. N. Mozingo; M. J Williams; E. McPherson 1975-1 604 Placer One mile north of Lincoln. Comment
  SEINET7709036  Poa annua J. Nachlinger 1984-3-17 909 Placer Middle Fork of American River, on road to Placerville. 457 Comment
  CAS-BOT-BC254758  Poa bolanderi Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  CAS-BOT-BC254759  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer Base of a cliff N of Summit hotel 2164 Comment
  RSA129110  Poa bolanderi N. H. French 1934-6-22 s.n. Placer 1/2 mile W. of Lake Dulzura 2195 Comment
  SACT001806  Poa bolanderi D. Meyer 1983-10-22 Placer Searchlight ski run from base to Olympic Lady chairlift. 2121.0 Comment
  UC1132588  Poa bolanderi N. French 1934-6-22 452 Placer 1/2 mi w Lake Dulzura; Truckee Quadrangle Comment
  SEINET10659110  Poa bolanderi A. Arthur Heller 1917-8-13 Heller 12901 Placer Base of cliff north of Summit Hotel. The surrounding forest composed of Abies magnifica. 2164 Comment
  SACT001826  Poa canbyi Michael Baad 1983-8-27 Placer 2072.64 Comment
  UCD36710  Poa compressa Beecher Crampton 1955-7-13 2995 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  CHSC67744  Poa cusickii subsp. epilis James D. Jokerst 1986-7-13 2740 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap' on trail. Comment
  SACT001849  Poa gracillima Michael Baad 1983-8-11 Placer On trail from Creek to Mildred Ridge. 2133.0 Comment
  SACT001846  Poa gracillima Michael Baad 1983-8-21 Placer Collected on trail. 2072.0 Comment
  SACT001858  Poa incurva D. Meyer 1983-8-20 Placer Collected from road to summit at first lake steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT001869  Poa nevadensis D. Meyer 1983-6-16 Placer 1624.0 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
  CAS-BOT-BC247258  Poa palustris Beecher Crampton 1956-7-17 3727 Placer 3/4 mile west of Blue Canyon 1432 Comment
  SACT001891  Poa palustris D. Meyer 1984-7-21 Placer 5.1 km north of Tahoe City 1879.0 Comment
  UCD37045  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Placer County, 0.75 mile west of Blue Canyon. Comment
  CAS-BOT-BC247376  Poa pratensis A. A. Beetle 1941-5-26 2717 Placer Near Cisco 914 Comment
  SACT001933  Poa pratensis D. Meyer 1984-6-3 Placer Moist shrubby area. 606.0 Comment
  CHSC74345  Poa pratensis subsp. pratensis Susi Urie 1998-9-1 98 -189 Placer Lake Tahoe Basin-National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  SEINET10888254  Poa sandbergii A. Arthur Heller 1917-6-19 Heller 12728 Placer Dry gravelly ridge, Emigrant Gap, in the yellow pine belt. 1615 Comment
  SACT001955  Poa scabrella Josephine Van Ess 1980-4-23 Placer Collected along horsetrail north from Rattlesnake Bar. Steep rocky, north-facing cliff. 152.4 Comment
  SACT001974  Poa scabrella Michael Baad 1983-5-5 Placer 3 miles southeast of Canyon Way Road descending to North Fork of the American River. 548.64 Comment
  SACT001975  Poa scabrella Michael Baad 1983-7-11 Placer Six Mile Road 9.6 km south of Yuba Gap open rocky slope northeast of Lake Valley Reservoir, granite feldspar substrate 1758.0 Comment
  SACT001977  Poa scabrella Michael Baad 1983-7-23 Placer 4.8 km southwest of Truckee on road west of 89. In bogs. 1828.0 Comment
  SACT001980  Poa scabrella Michael Baad 1983-5-7 Placer 2 miles east of Colfax rocky opening disturbed area. 978.0 Comment
  RSA126919  Poa secunda N. H. French 1934-6-22 s.n. Placer 7/8 mile W. of Dulzura Lake. 2287 Comment
  RSA264628  Poa secunda C. F. Sonne 1888-07 s.n. Placer Truckee Comment
  SACT002007  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002010  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  CAS-BOT-BC237721  Poa secunda subsp. juncifolia John Thomas Howell 1943-7-21 18638 Placer Donner Pass to Mount Lincoln Comment
  UCD33390  Poa secunda subsp. juncifolia Beecher Crampton 1967-7-26 8153 Placer Near Nevada County line in Kingvale on Interstate 80. 1950 Comment
  CAS-BOT-BC242955  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer Ridge NW of Donner Pass below a ledge of igneous rock 2377 Comment
  CAS-BOT-BC242956  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer Ridge NW of Donner Pass below a ledge of igneous rock 2377 Comment
  UC1132786  Poa secunda subsp. secunda G. T. Nordstrom 1934-6-21 128 Placer 0.4 mi w by nw Mammoth Springs (near Plot 208); Tahoe Nat'l Forest, Colfax Quadrangle Comment
  UCD90485  Poa secunda subsp. secunda A. A. Beetle 1941-5-26 2725 Placer Near Cisco. 914 Comment
  CHSC112174  Poa sierrae Dean Wm. Taylor 2013-6-19 21370 Placer Ralston Ridge (ca 25 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down frfom (North of) Forest Road 25 along the ridgecrest. 1482 Comment
  CDA36886  Pogogyne serpylloides CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SD3984  Polemonium californicum C. F. Sonne 1897-8-14 Placer Above Coldstream Comment
  UCD43942  Polemonium occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1308 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC85689  Polemonium pulcherrimum G. F. Hrusa; J. Glazner 2000-9-3 15666 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CAS-BOT-BC231303  Polemonium pulcherrimum M. S. Jussel 1928-7-22 s.n. Placer Miller's Lake, Lake Tahoe region Comment
  POM365426  Polemonium pulcherrimum Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  SD244200  Polygala cornuta var. cornuta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountain Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill (Westville 7.5'Q) 1052 Comment
  UC868233  Polygala cornuta var. cornuta Marcus E. Jones, A. M. 1882-7-3 3316 Placer Colfax Comment
  RSA606205  Polygonum R. S. Woglum 1934-08 1311 Placer Northern Sierra Nevada Mountains: Lake Tahoe [Placer/El Dorado counties]. Comment
  UC1101131  Polygonum amphibium var. stipulaceum Malcolm A. Nobs and S. Galen Smith 1949-8-21 1506 Placer marsh between Sandy Beach and Agate Bay; Lake Tahoe Comment
  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
  JEPS14355  Polygonum bolanderi Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-19 3853 Placer peninsula jutting out into North Fork of the American River (below Cape Horn, 1/2 mi above bridge on Colfax-Iowa Hill road) 381 Comment
  CAS-BOT-BC414390  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer Near Sheridan 38 Comment
  CAS-BOT-BC414391  Polygonum californicum L. R. Abrams 1917-9-14 6754 Placer Between Roseville and Penryn Comment
  POM192998  Polygonum californicum H. P. Bracelin s.n. Placer 5 miles N of Placerville, Placer County. On road to Colonia Comment
  UC1334172  Polygonum californicum Thomas Morley 1946-9-28 817 Placer 1 1/2 mi nne Alta (near electric pole line) 1188 Comment
  JEPS50533  Polygonum davisiae C. F. Sonne 1888-7-29 292 Placer Bear Creek; top Comment
  CDA25024  Polygonum douglasii J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD21929  Polygonum douglasii Beth Lowe Corbin 1982-8-10 297 Placer 1 1/4 miles WNW of Onion Creek campground. Rocky, fine, sandy soil. Open disturbed area, old logging landing, in White Fir forest. Full sun. SW facing slope, 15% incline. Locally abundant. 1981 Comment
  UCD42845  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 211 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43238  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 607 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  RSA466396  Polygonum hydropiper Wm. Martin 1971-9-10 20225 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  SEINET13276726 Image available Polygonum persicaria George K. Helmkamp, Elizabeth Helmkamp 2012-1 20088 Placer Sacramento Valley: South Dowd Road, 0.1 mile south of its junction with Moore Road, SW of Lincoln (Pleasant Grove 7.5' Q.) 34 Comment
  UCR191105  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2007-6-12 12326 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CHSC74247  Polygonum polygaloides subsp. kelloggii Susi Urie 1998-9-4 98 -255 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on the north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC420038  Polygonum polygaloides subsp. kelloggii H. D. Ripley; R. C. Barneby 1948-7-13 9844 Placer Yuba River, 4 mi. E. of Cisco 1844 Comment
  CAS-BOT-BC420039  Polygonum polygaloides subsp. kelloggii W. R. Dudley 1900-6-28 s.n. Placer Near Tahoe City Comment
  CAS-BOT-BC420164  Polygonum sawatchense subsp. sawatchense John H. Thomas; Hazelle A. Thomas 1956-7-21 6143 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC233246  Polypogon maritimus J. T. Howell; Gordon H. True 1971-5-26 47615 Placer N limits of Lincoln 48 Comment
  UCD91173  Polypogon maritimus Beecher Crampton 1955-6-15 2901 Placer Placer County, 1.5 miles west of Iowa Hill. 914 Comment
  RSA3005  Populus trichocarpa Carl B. Wolf 1931-9-10 2419 Placer Shore of Lake Tahoe. Just NW of Chambers Lodge. 1921 Comment
  UCD110729  Populus trichocarpa G. L. Stebbins Jr. 1942-9-1 3341 Placer Bank of Yuba River, on U.S. Highway 40, 1 1/2 miles west of Cisco. 1706 Comment
  JEPS111256  Porterella carnosula Steve Matson 2005-6-19 1291 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. Just west of Parking Area. 1778 Comment
  CAS-BOT-BC452174  Potamogeton gramineus Lyman Benson 1932-7-31 4020 Placer Tahoe Tavern, Sierra Nevada, Lake Tahoe 1889 Comment
  UC1099844  Potamogeton natans Malcolm A. Nobs, S. Galen Smith 1949-8-21 1516 Placer between Sandy Beach and Agate Bay (n end of Lake Tahoe); Lake Tahoe Comment
  CAS-BOT-BC141664  Potentilla flabellifolia Elizabeth Parsons Hawver 1910-7-7 s.n. Placer Meadows of Madden Creek, Lake Tahoe region Comment
  UC177360  Potentilla flabellifolia C. F. Sonne 1893-8-27 Placer near Tinker Knob; Sierra Nevada Mountains, near Tinker Knob Comment
  RSA169439  Potentilla glandulosa L. S. Rose 1963-7-11 63212 Placer Tahoma, Lake Tahoe 1916 Comment
  UCR240914  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19238 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  UCD22272  Potentilla gracilis Rex Palmer 1979-7-9 N 435 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC141634  Potentilla gracilis var. elmeri Alice Eastwood 1909-1-1 217 Placer Sunnyside Comment
  CHSC9529  Potentilla gracilis var. fastigiata J. F. Goodwin 1971-7-11 171 Placer 200 ft. south of Hwy. 267 in meadow, 4.0 mi. se of Truckee. 1950 Comment
  POM366580  Potentilla gracilis var. fastigiata Bonnie C. Templeton 1930-7-5 1518 Placer Near Meek's Bay, Lake Tahoe. 2250 Comment
  UCD43079  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 447 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC540395  Potentilla gracilis var. fastigiata P. B. Kennedy 1901-8-18 410 Placer 7 miles from French Meadows Comment
  CAS-BOT-BC540396  Potentilla gracilis var. fastigiata C. F. Sonne 1886-7-4 77 Placer Sierra Nevada, old logging camp on Truckee River Comment
  CAS-BOT-BC64619  Primula suffrutescens C. F. Sonne 1885-7-12 214 Placer Slope between Anderson's Peak. 2743 Comment
  SD3658  Primula suffrutescens C. F. Sonne 1897-8-14 Placer E slope Mt. Anderson Comment
  RSA123243  Primula suffrutescens B. Bolt 1934-7-12 110 Placer Snow Mtn, Truckee. 2439 Comment
  CAS-BOT-BC508645  Prosartes hookeri Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UCD125340  Prunella vulgaris F. A. MacFadden 1934-6-7 s.n. Placer Canyon Creek. Comment
  RSA0093562  Prunella vulgaris var. lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22418 Placer Sierra Nevada Mountains Foothills. Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road. 651 Comment
  CAS-BOT-BC163052  Prunus emarginata L. R. Abrams 1917-9-16 6763 Placer Emigrant Gap Comment
  CAS-BOT-BC163058  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer Near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC163059  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer Near the Yuba River below Cisco 1676 Comment
  RSA453214  Prunus emarginata Wm. Martin 1971-9-10 20260 Placer Near Blue Canyon Ranger Station, Tahoe National Forest. Comment
  UC1128350  Prunus emarginata C. R. Clar 1933-5-11 116 Placer 3 mi e of Weimer 609 Comment
  UC1585836  Pseudobahia heermannii Barbara Ertter with David Thompson 1989-4-9 8195 Placer halfway down road to Lake Clementine (= North Fork Lake); Auburn Comment
  CAS-BOT-BC357340  Pseudognaphalium microcephalum W. R. Dudley 1909-8-16 s.n. Placer Monte Vista Comment
  OBI16412  Pseudognaphalium thermale Robert F. Hoover 1967-9-5 10825 Placer Carnelian Bay, Lake Tahoe Comment
  SEINET12997150  Pseudostellaria Ronald L. Hartman 1997-7-11 58546 Placer Near campsite ca 200 yards from Foresthill Road, 2-2.5 road mi W from Sailor Flat trail turn-off. 1982 Comment
  CAS-BOT-BC174808  Pseudostellaria sierrae Marcus E. Jones 1882-6-28 3287 Placer Emigrant Gap Comment
  CAS-BOT-BC361710  Psilocarphus brevissimus var. brevissimus Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  UCD34554  Purshia tridentata Beecher Crampton 1985-6-23 9999 Placer North Shore Lake Tahoe, Stateline Road. Comment
  JEPS129002  Purshia tridentata var. tridentata Steve Matson 1998-6-14 255 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, east of Martis Creek. Comment
  CAS-BOT-BC462773  Pyrola dentata Elizabeth Parsons Hawver 1911-8-19 s.n. Placer On way to chute, Madden Creek, Lake Tahoe Region Comment
  UC21718  Pyrola picta J. Burtt Davy Jun 25 1897-Jun 30 1897 3239 Placer Truckee River Basin, Lake Tahoe Lake Tahoe; Truckee River Basin, Lake Tahoe Comment
  UC474247  Pyrola picta G. W. Fetters 1929-8-2 Placer near shore of Lake Tahoe, Pomins Pomins; Lake Tahoe, Pomins Comment
  SEINET7257306  Pyrola picta P. Lehenbauer 1929-8-15 2543 Placer [Sierra Nevada] Carnelian Bay Comment
  UCD40290  Quercus Rodney Gale Myatt 1972-6-1 s.n. Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  SACT002693  Quercus X morehus J. Jorgenson 1959-8-13 Placer Comment
  SACT002615  Quercus chrysolepis Josephine Van Ess 1976-9-29 Placer Collected a short way upstream from old Foresthill Bridge. Rocky steep streambank. Comment
  SACT002620  Quercus chrysolepis Michael Baad 1977-4-13 Placer 0.2 mile north of I80 Highway on Placer Hills Road to Meadow Vista, ecotone between pine forest and chaparral. 502.92 Comment
  SBBG25329  Quercus chrysolepis R. A. Christison 1960-5-8 64 Placer jct of St Hwy 49 and Forest Hill turnoff 91 Comment
  UCD22469  Quercus chrysolepis Beth Lowe Corbin 1982-8-11 318 Placer 1 2/3 miles SW of Onion Creek campground. 1905 Comment
  UCD15168  Quercus douglasii Phyllis Adams 1982-5-9 37 Placer California, Placer Co.; along Old Foresthill Road, in the American River Canyon; 457 Comment
  UCR198031  Quercus douglasii Sean Huff 1994-5-14 02 Placer town of Roseville at north end of Sunrise Blvd, 1 mi down dirt road 76 Comment
  CDA16973  Quercus durata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16026 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 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
  UC1135560  Quercus durata N. French 1933-10-17 105 Placer Todd Valley Placerville National Forest, Placerville Quad. 762 Comment
  UCD124134  Quercus durata Ellen Dean; Marcel Rejmanek 2012-10-9 7508 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  UCD124136  Quercus durata Ellen Dean; Marcel Rejmanek 2012-10-9 7510 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  UCD40933  Quercus durata Sook Hong 1989-5-20 1 Placer Dry slope at the base of the waterfall along the road. 701 Comment
  CAS-BOT-BC105306  Quercus kelloggii Frances Price 1919-1 s.n. Placer Placerville - L. Tahoe Road Comment
  SACT002143  Quercus kelloggii Josephine Van Ess 1976-9-15 Placer collected about 0.5 miles below dam, ravine bank 48.8 Comment
  UC5620  Quercus kelloggii A. Eastwood 1894-9-9 Placer Newcastle Comment
  SEINET12030462  Quercus kelloggii Unknown 1936-1 s.n. Placer Chicken Hawk Camp Comment
  SACT002660  Quercus lobata Josephine Van Ess 1976-8-11 Placer Collected near Coon Creek Cattle. Dry streambank. Comment
  CAS-BOT-BC104587  Quercus vacciniifolia L. S. Smith 1925-9-10 49461 Placer Tahoe Forest. Emmigrant Gap South of Ry. 1676 Comment
  SACT002706  Quercus vacciniifolia Michael Baad 1976-7-17 Placer Trail to five lakes, 1 mile west of Alpine Meadows Ski Area. Open brushy slopes of granite. 2072.0 Comment
  SEINET10437613  Quercus vacciniifolia P. A. Lehenbauer, L. R. Miller, J. R. H, B. W. 1929-8-15 1389 Placer Lake Tahoe, Carnelian Bay. Comment
  UC614911  Quercus vacciniifolia Beryl O. Schreiber 1934-7-4 1186 Placer 6 mi e Lookout Comment
  HSC27258  Quercus wislizeni J. P. Smith 1972-3-22 5090 Placer Bridge over N Fork of American River. Comment
  SACT002726  Quercus wislizeni Michael Baad 1977-4-13 Placer 0.2 mile north of highway I80. Ecotone between pine forest and chaparral. 502.92 Comment
  SD262290  Quercus wislizeni Tom Scott, Gary Nakamura Feb 2009 2009 14 Placer Sierra Nevada Mtns. Foothills: Auburn, Hwy 49 at Auburn Bridge on American River; slopes on north side of canyon above highway. 198 Comment
  UCR280609  Quercus wislizeni Tom Scott, Gary Nakamura 2009-1 2009- 017 Placer Sierra Nevada Mtns. Foothills, Auburn, Hwy 49 at Auburn Bridge on American River, slopes on north side of canyon above highway 198 Comment
  SACT002729  Quercus wislizeni Josephine Van Ess 1976-9-8 Placer Collected in vicinity of Juergenson Ranch. Roadside in open pastureland. 335.3 Comment
  UCSC009140  Quercus wislizeni var. wislizeni Al Keuter 2015-3-31 10- 05 -2 Placer North Fork American River/SR193 202 Comment
  CAS-BOT-BC362682  Raillardella argentea L. S. Smith 1925-7-15 1682 Placer Tahoe National Forest. French Mdws. near Talbot Camp 1828 Comment
  UCD83641  Raillardella argentea Albert Grigarick 2009-9-10 194 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  CAS-BOT-BC186684  Ranunculus Saichi Kawahara 1969-5-24 851 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek 1005 Comment
  RSA142999  Ranunculus alismifolius var. alismellus John H. Thomas, H. A. Thomas 1956-7-21 6086 Placer Sierra Nevada, Vicinity of Donner Pass, 80 miles NE of Sacramento 2134 Comment
  UC191444  Ranunculus alismifolius var. alismifolius C. F. Sonne 1886-5-2 Placer Mayen Ranch Truckee Comment
  CAS-BOT-BC379377  Ranunculus alismifolius var. hartwegii Jean L. Thomson 1944-5-14 s.n. Placer Trout Creek near Truckee Comment
  CAS-BOT-BC379384  Ranunculus alismifolius var. hartwegii John Thomas Howell 1943-7-21 18652 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC379395  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 s.n. Placer Lake Tahoe Region, Seven Lakes Comment
  CAS-BOT-BC379396  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 385 Placer Lake Tahoe Region, Deer Park Comment
  SEINET5338276  Ranunculus alismifolius var. hartwegii P. A. Lehenbauer 1926-4-25 1324 Placer Squaw Creek Comment
  UCD162516  Ranunculus aquatilis var. diffusus Steve Matson 2007-8-20 1704 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, in Martis Creek near Martis reservoir. 1780 Comment
  CAS-BOT-BC378967  Ranunculus bonariensis Gordon H. True 1966-4-9 2706 Placer Near Rocklin, just east of Hiway 80 122 Comment
  UCD43016  Ranunculus californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 385 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  POM269612  Ranunculus flammula var. ovalis Lyman Benson 1932-7-31 4019 Placer Tahoe Tavern, Sierra Nevada Mt., Lake Tahoe 1890 Comment
  POM312418  Ranunculus flammula var. ovalis Malcolm A. Nobs, S. Galen Smith 1949-8-21 1511 Placer Marsh between sandy beach and Agate Bay, north end of Lake Tahoe. Comment
  SD237580  Ranunculus hystriculus G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14630 Placer Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill (Michigan Bluff 7.5'Q) 771 Comment
  SDSU10115  Ranunculus muricatus D. F. Howe 1948-5-21 1909 Placer 457 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
  UCD41266  Ranunculus occidentalis Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1723 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UCR208589  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14665 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  SEINET5338808  Ranunculus occidentalis D. Brix 1962-3-17 s.n. Placer 3 1/2 miles NE of Auburn. 518 Comment
  RSA20881  Ranunculus occidentalis var. eisenii Carl B. Wolf 1937-3-30 8344 Placer Sacramento Valley, 4.8 mi. E of Lincoln on Penryn Rd. 91 Comment
  POM147025  Ranunculus occidentalis var. eisenii Alice Eastwood 1927-3-26 14145 Placer On road between Placerville and Coloma. Comment
  RSA400016  Ranunculus occidentalis var. eisenii Wm Vortriede 1926-1 s.n. Placer Lake Tahoe. Comment
  SD114130  Ranunculus occidentalis var. occidentalis none given 1948-5-21 1931 Placer Placer Co. 456 Comment
  POM100033  Ranunculus occidentalis var. ultramontanus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UC827922  Ranunculus orthorhynchus var. orthorhynchus Alice Eastwood Jun 15 1912-Jun 19 1912 446 Placer Tahoe City Lake Tahoe Region Comment
  UCR194704  Raphanus raphanistrum George K. Helmkamp, E. A. Helmkamp 2007-10-28 13103 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  UC662428  Rhamnus alnifolia James B. Roof, Irja Knight 1941-9-5 Placer 8 mi s Truckee (on State Highway 89, Silver Creek, a perennial tributary of the Truckee River); Truckee River, Silver Creek 1828 Comment
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Sep 3 2008
  CAS-BOT-BC55968  Rhamnus ilicifolia C. L. Hitchcock 1940-5-14 6371 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  UC18537  Rhamnus ilicifolia Bolander 1865-4-13 4565 -1 Placer Newcastle Comment
  RSA78926  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-8 18120 Placer 1 mile S of Deer Park, Hwy 89, along Truckee River. 1982 Comment
  RSA7756  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1928-8-22 3433 Placer 1 mile W of Emigrant Gap. 1637 Comment
  UCD117838  Rhododendron columbianum Murray Fowler 1961-8-8 s.n. Placer Robertson Flat, ca. 19 miles west of Tahoe City. 1828 Comment
  SBBG59931  Rhododendron occidentale M. N. Ackley -Jun-1925 328 Placer Towle 1127 Comment
  UC22142  Rhododendron occidentale Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UCSB16432  Ribes cereum var. cereum Breedlove, Dennis 1962-6-13 Placer on steep bank of Truckee River; 7.0 miles south of Truckee; Sierra Nevada 1828 Comment
  UCD44644  Ribes divaricatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2010 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA13668  Ribes inerme var. inerme G. F. Hrusa, J. Glazner 1997-8-3 14028 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UC857958  Ribes inerme var. inerme A. A. Heller 1917-6-17 12718 Placer below Cisco (along river); Yuba River 1676 Comment
  JEPS86495  Ribes montigenum L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6578 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 Springs (old resort)); Sherman Chickering's Soda Springs holdings 2286 Comment
  RSA0022085  Ribes montigenum Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4540 Placer Squaw Valley, beyond upper cable car station. Comment
  CAS-BOT-BC219173  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  CAS-BOT-BC219206  Ribes nevadense Peter H. Raven 1956-8-4 9993 Placer 1.0 miles from Blue Canyon on road to Emigrant Gap Comment
  JEPS127483  Ribes nevadense Steve Matson 1997-7-20 122 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork Snow Creek; bog at western terminus of North Ave dirt extension. Comment
  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
  UCD82717  Ribes nevadense Robin McMaster 1973-6-3 434 Placer Lake Spaulding. 1524 Comment
  SEINET12216786  Ribes nevadense J. H. Nishida 1985-1 778 Placer Homewood 1829 Comment
  SCFS11529124  Ribes roezlii E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  SJSU10511  Ribes roezlii R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  UC147592  Ribes roezlii Harriet A. Walker 1908-6-24 1296 Placer Blue Canyon 1432 Comment
  UCD22342  Ribes roezlii Rex Palmer 1979-5-26 N 18 Placer Headwaters basin area of the North Fork of the American River. 1950 Comment
  UCD54623  Ribes roezlii Ellen Dean; John Downs, Brian Ludwig 2006-3-30 2831 Placer Along Secret Town Rd., near railroad overpass trestle, NW of Interstate-80. 914 Comment
  RSA0018266  Ribes roezlii J. H. Nishida 1985-7-10 777 Placer Homewood. 1829 Comment
  CAS-BOT-BC186204  Ribes roezlii var. roezlii Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe 2438 Comment
  UCD74137  Ribes viscosissimum Jennifer W. Burt 2005-7-16 70 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from coniferous forest near abandoned ski runs. 1947 Comment
  UC90678  Rigiopappus leptocladus Mrs. K. Curran May 1889 Placer Auburn Comment
  CAS-BOT-BC362922  Rigiopappus leptocladus L. S. Smith 1932-5-4 2649 Placer Tahoe National Forest. Along Forest Hill road 457 Comment
  UCR190587  Robinia pseudoacacia George K. Helmkamp, E. A. Helmkamp 2007-9-14 12958 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UC147568  Rorippa curvisiliqua Harriet A. Walker 1908-6-23 1208 Placer Blue Canyon 1432 Comment
  CHSC82580  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-7-22 9882 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UC527362  Rosa woodsii var. ultramontana C. B. Wolf 1931-9-10 2421 Placer hollow near r.r. tracks between Tahoe Tavern and Truckee River (gates) 1920 Comment
  UCR191061  Rubus glaucifolius George K. Helmkamp, E. A. Helmkamp 2007-5-23 12053 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  CAS-BOT-BC248300  Rubus laciniatus George K. Helmkamp; E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  JEPS127445  Rubus parviflorus Steve Matson 1998-7-27 339 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; middle fork Snow Creek Comment
  JEPS127541  Rubus parviflorus Steve Matson 1999-7-2 425 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork of Snow Creek above the spring. Comment
  CAS-BOT-BC363205  Rudbeckia occidentalis Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UC89647  Rudbeckia occidentalis T. S. Brandegee 1888-9-1 Placer Blue Canyon Comment
  CDA19533  Rumex acetosella M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 258 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
  CHSC74249  Rumex acetosella Susi Urie; Eric Schroder 1998-9-8 98 -304 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCR250628  Rumex acetosella George K. Helmkamp, Mary Alice Barnes 2013-5-3 20465 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCR253127  Rumex acetosella George K. Helmkamp, Amy Barnes 2014-4-23 22807 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
  CHSC79200  Rumex salicifolius var. triangulivalvis Beecher Crampton 1972-7-26 8847 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  JEPS39859  Rumex salicifolius var. triangulivalvis W. H. Shockley Jul 1886 Placer Auburn Comment
  CAS-BOT-BC103556  Salix eastwoodiae W. R. Dudley 1900-6-14 5055 Placer About middle of loop between Donner Lake and Summit Comment
  CAS-BOT-BC103560  Salix eastwoodiae W. R. Dudley 1900-6-19 5280 Placer woods west of Independence Hotel Comment
  CAS-BOT-BC103561  Salix eastwoodiae W. R. Dudley 1900-6-1 5350 Placer Head of Independence Lake Comment
  CAS-BOT-BC103608  Salix eastwoodiae W. R. Dudley 1900-6-15 5124 Placer on flat northeast of Lake Mary Comment
  CAS-BOT-BC103609  Salix eastwoodiae W. R. Dudley 1900-6-15 5123 Placer on flat north east of Lake Mary Comment
  UCD22313  Salix eastwoodiae Rex Palmer 1979-7-11 N 552 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC103986  Salix geyeriana Mary P. Wells 1980-9-11 s.n. Placer Alpine Meadows near Bear Creek opposite stable 1950 Comment
  CHSC13911  Salix geyeriana E. L. Smith 1971-6-17 973 A Placer At s end of Martis Valley ca. 11 kn se of Truckee. 1800 Comment
  POM107080  Salix geyeriana Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  CAS-BOT-BC108212  Salix hindsiana David D. Keck 1933-6-1 2436 Placer 1 mile south of Loomis on road to Rocklin Comment
  CAS-BOT-BC106875  Salix jepsonii W. R. Dudley 1900-6-14 5062 Placer Between Donner Lake and Summit Comment
  UC477572  Salix lasiandra subsp. lasiandra L. S. Smith 1931-8-28 2630 Placer below Chalk Bluff crossing (Middle Fork American R.); Tahoe Nat'l Forest, Middle Fork American R. Comment
  UCD124130  Salix lasiolepis Ellen Dean; Marcel Rejmanek 2012-10-9 7504 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  CAS-BOT-BC124775  Salix lemmonii W. R. Dudley 1900-6-14 5065 a Placer Between Donner Lake and Summit on loop grade Comment
  CAS-BOT-BC124776  Salix lemmonii W. R. Dudley 1900-6-14 5066 Placer Between Donner Lake and Summit Comment
  CHSC74265  Salix lemmonii Susi Urie; Eric Schroder 1998-9-11 98 -332 Placer Lake Tahoe Basin--National Forest. Along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  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
  UC1134914  Salix lemmonii N. French 1934-6-19 420 Placer 1/4 mi. w. Devil's Peak; Tahoe Nat'l Forest, Colfax Quad. Comment
  SEINET11957674  Salix lemmonii E. L. Smith 1971-1 954 Placer Yuba Gap, 7 km E of Emigranat Gap 1770 Comment
  SEINET8589755 Image available Salix lemmonii A. A. Heller 1917-6-17 12688 Placer Low grassy places along the Yuba river below Cisco, elevation about 5500 feet 1676 Comment
  CHSC9586  Salix lucida subsp. caudata E. L. Smith 1971-4-16 960 Placer At Tahoe Vista, e of city limits near King's Beach. 580 Comment
  CAS-BOT-BC129082  Salix scouleriana W. R. Dudley 1900-6-1 5532 Placer Above McKinney's near Maddens Cr. Comment
  CAS-BOT-BC129088  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer Along the Yuba river below Cisco 1676 Comment
  CAS-BOT-BC129089  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer Along the Yuba river below Cisco 1676 Comment
  SD43606  Salix scouleriana Darley F. Howe 1948-5-22 Placer Placer County 1219 Comment
  UCD22307  Salix scouleriana Rex Palmer 1979-5-26 N 22 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD34051  Salix scouleriana Beecher Crampton 1975-10-14 9321 Placer Placer County, Blue Canyon airport area. 1524 Comment
  CAS-BOT-BC235025  Sambucus John H. Thomas; Hazelle A. Thomas 1956-7-21 6088 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCR229555  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2011-7-26 17902 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  CAS-BOT-BC235065  Sambucus racemosa var. melanocarpa W. R. Dudley 1900-6-14 s.n. Placer Shores of Donner Lake Comment
  JEPS111120  Sambucus racemosa var. microbotrys Steve Matson 2005-7-30 1427 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), east side of Emigrant Pass (below snowfield); 39.1902 N, 120.2763 W; elevation 8,600 ft. 2621 Comment
  CAS-BOT-BC235194  Sambucus racemosa var. racemosa E. A. McGregor 1909-8-13 110 Placer Lake Tahoe Region. Susie Lake 2331 Comment
  SEINET4691686  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-1 16753 Placer Northern Sierra Nevada Mountains: Finning Mill road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  UCD21632  Sanicula Rex Palmer 1979-6-9 N 153 Placer Headwaters basin area of the North Fork of the American River. Mount Lincoln. 2438 Comment
  UCSB32297  Sanicula bipinnata Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UC303481  Sanicula bipinnatifida Mary E. Pulsifer Mar. 1895 4 Placer Auburn Comment
  RSA733423  Sanicula crassicaulis George K. Helmkamp, Elizabeth A. Helmkamp 2006-5-13 10455 Placer Northern Sierra Nevada Hills: ca. 4 air mi. NE or Auburn, along the unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road. 422 Comment
  UCR235481  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
  UCR250291  Sanicula crassicaulis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20806 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  SEINET3815674 Image available Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Lake Tahoe, Chamber Lodge (McKinney) 1900 Comment
  UCD128045  Sanicula tuberosa G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12062 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 Comment
  SEINET11160301  Sanicula tuberosa D. Worley 1977-3-19 s.n. Placer Near confluence of North and Middle Forks American River, near old road bed of Hwy 49. 335 Comment
  RSA121491  Saxifraga bryophora N. H. French 1934-6-22 464 Placer Serena Lake. 2104 Comment
  CAS-BOT-BC436889  Saxifraga mertensiana Marcus E. Jones 1882-7-1 3588 Placer Emigrant Gap Comment
  POM92828  Saxifraga nidifica Marcus E. Jones 1882-7-1 3587 Placer Emigrant Gap. Comment
  JEPS47490  Saxifraga nidifica var. nidifica C. F. Sonne 1886-6-6 90 Placer road to Tahoe; Sierra Nevada Mountains Comment
  UC186747  Saxifraga oregana C. F. Sonne 1884-8-24 Placer above Coldstream Comment
  CAS-BOT-BC418383  Saxifragaceae Saichi Kawahara 1969-7-6 1459 Placer Meadow, Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  SD243064  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2011-4-10 17138 Placer Saacramento Valley: east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road. 98 Comment
  UCD32812  Schedonorus pratensis Beecher Crampton 1964-7-21 7122 Placer Placer County, Cisco Grove, US Hwy. 40. 1722 Comment
  UC590003  Scirpus microcarpus H. S. Yates 1936-8-9 6000 Placer near Brockway; Truckee Quad., near Brockway Comment
  SEINET5337094  Scleranthus C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer 1/2 mile east of junct. of old and new Auburn--forest hills road. 792 Comment
  CDA36895  Scleranthus annuus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA36907  Scleranthus annuus CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  CDA3394  Scleranthus annuus G. D. Barbe 1985-7-15 4239 Placer Meadow Vista Community Park, 10 miles east of Auburn. 0 Comment
  UCD125713  Scutellaria californica Rex Palmer 1979-7-25 N 677 Placer Exact location unknown. Comment
  CAS-BOT-BC417846  Sedella pumila Alice Eastwood; John Thomas Howell 1937-5-8 4337 Placer near Auburn on road to Grass Valley Comment
  UCD101982  Sedella pumila Allan R. Magie 1957-4-14 120 Placer Auburn. Comment
  RSA0029340  Sedum lanceolatum John F. Emmel 1991-7-23 1190 Placer Sierra Nevada, Donner Pass area: along Pacific Crest Trail south above Donner Pass, on slope ca. 0.3 air mi east of Lake Mary. 2226 Comment
  SEINET12218790  Sedum stenopetalum C. J. Sonee 1885-1 106 Placer Ridge near Tinkers Knobb (Backbone of S.N. Mtns Comment
  RSA684430  Selaginella hansenii Viola N. Poole 1932-05 323 Placer Auburn. 329 Comment
  CAS-BOT-BC62095  Selaginella hansenii G. Ledyard Stebbins 1969-11-30 6979 Placer West side of American River Canyon on road from Colfax to Iowa Hill 457 Comment
  UCD21787  Senecio Rex Palmer 1979-5-27 N 111 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC73934  Senecio hydrophilus Susi Urie 1998-8-25 98 -089 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC363756  Senecio integerrimus Clare B. Hardham 1961-6-14 7351 Placer Sierra Nevada Mountains. Rte 40, Baxter Comment
  UC36178  Senecio integerrimus var. exaltatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3249 Placer near Truckee River (on road to Tahoe); Truckee River Basin Comment
  UC567040  Senecio integerrimus var. exaltatus N. French 1934-6-21 434 Placer N end of Lake Cascade 2011 Comment
  CAS-BOT-BC363998  Senecio integerrimus var. major M. E. Parsons 1909-1-1 s.n. Placer Lake Tahoe Region. Near Tahoe Tavern Comment
  CAS-BOT-BC363999  Senecio integerrimus var. major John Thomas Howell 1925-6-27 1192 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  CAS-BOT-BC364028  Senecio integerrimus var. major H. D. Ripley; R. C. Barneby 1948-7-13 9828 Placer Yuba Gap, Placer-Nevada Co. line 1828 Comment
  CAS-BOT-BC364029  Senecio integerrimus var. major John H. Thomas; Hazelle A. Thomas 1956-7-21 6107 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC364032  Senecio integerrimus var. major Dr. A. Kellogg 1870-6-14 s.n. Placer Cisco, Sierra Nevada Mts Comment
  CDA13679  Senecio serra var. serra G. F. Hrusa, J. Glazner 1997-8-3 14039 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd., along Squaw Valley Rd. Comment
  CAS-BOT-BC364382  Senecio triangularis unspecified 1906-7-15 6999 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC364390  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  RSA473091  Senecio triangularis Wm. Martin 1971-9-10 20266 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CAS-BOT-BC364391  Senecio triangularis F. A. Mac Fadden 1934-8-3 12792 Placer Canyon Creek Comment
  UCD38937  Sericocarpus oregonensis subsp. californicus Beecher Crampton 1961-9-27 6020 Placer Blue Canyon. 1430 Comment
  UCD92677  Setaria faberi G. Douglas Barbe 1974-11-26 1984 Placer southeast corner of Newcastle Road and Brenner Road. Newcastle. Comment
  UCR129369  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Sacramento Valley, southeast corner of Newcastle Road and Brenner [Brennans] Rd., Newcastle 226 Comment
  SACT002083  Setaria geniculata D. Meyer 1984-10-24 Placer 6th and H streets. Growing in crack. Comment
  CAS-BOT-BC213131  Sidalcea Catherine Best 1981-8-2 s.n. Placer Above French Meadow Reservoir, Sierra Nevada Comment
  CAS-BOT-BC213133  Sidalcea Peter Rubtzoff 1976-9-19 8867 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  JEPS46167  Sidalcea glaucescens L. S. Smith 1928-6-9 2294 Placer s slope Squaw Valley Tahoe Forest, s slope Squaw Valley 1828 Comment
  JEPS72638  Sidalcea glaucescens Gladys L. Smith 1972-6-18 3148 Placer Alpine Meadows 2072 Comment
  RSA795079  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2011-8-26 18182 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC18885  Sidalcea glaucescens Mrs. M. M. Hardy 1893-1 Placer Comment
  UC66468  Sidalcea glaucescens P. B. Kennedy 1901-8-6 242 Placer Soda Springs Comment
  POM84039  Sidalcea hartwegii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  RSA21277  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  UC718219  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer 1 mi n Lincoln; Sacramento Valley, n of Lincoln 45 Comment
  UCD116732  Sidalcea hartwegii Robert A. Christison 1960-5-8 61 Placer junction of State Highway 49 and turnoff to Foresthill. 91 Comment
  RSA750431  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2008-8-20 14017 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  SCFS1161  Sidalcea oregana E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Cedar's Meadow. Comment
  UCD21605  Sidalcea oregana subsp. spicata E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1270 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
  SEINET9006228  Sidalcea oregana var. spicata P. B. Kennedy, S. B. Doten 1901-8-18 411 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  RSA305931  Silene californica Fay A. MacFadden 1934-3-31 12424 Placer Hillsides near Colfax. Comment
  UC196791  Silene californica C. F. Sonne 1891-5-17 Placer Colfax 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
  UC1137890  Silene douglasii B. Bolt 1934-7-12 109 Placer Snow Mountain Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  UC852840  Silene douglasii Lewis S. Rose 1941-7-25 41353 Placer Chambers Lodge Lake Tahoe, Chambers Lodge (McKinney) (McKinney, Lake Tahoe) 1920 Comment
  UCD22169  Silene douglasii Rex Palmer 1979-7-10 N 509 Placer Headwaters basin area of the North Fork of the American River Comment
  UC196525  Silene douglasii C. F. Sonne 1891-8-9 Placer on road to Tahoe canyon above Squaw Valley; Canyon above Squaw Valley on road to Tahoe Comment
  SEINET5337179  Silene douglasii var. monantha H. M. Hall 1910-7-4 8742 Placer Near Cisco, Upper transition zone. 1890 Comment
  SEINET5337189  Silene gallica D. H. Erskine 1941-4-28 17 Placer Roseville city limits. 76 Comment
  SD247390  Silene invisa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19230 Placer Northern Sierra Nevada Mountains: Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road. 1671 Comment
  CAS-BOT-BC389368  Silene lemmonii Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC389369  Silene lemmonii Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  UCR191109  Silene lemmonii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12318 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CAS-BOT-BC181373  Silene occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco 1800 Comment
  SCFS11529154  Silene occidentalis E. Krimmel 2014-6-26 Placer Dry opening in conifer forest. Comment
  UCD150312  Silene vulgaris James A. Neilson Jr. 1970-8-1 1689 Placer Tahoe Basin, Tahoe City. 1901 Comment
  CDA19548  Sisyrinchium elmeri M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 237 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  JEPS73047  Sisyrinchium elmeri Betsy Wilson, Gladys L. Smith June 1972 3596 Placer near Alpine Meadows (n end of Lake Tahoe Region); Lake Tahoe Region 2072 Comment
  SACT002103  Sitanion hystrix Michael Baad 1976-6-16 Placer Collected on trail between first and second stream crossing. Comment
  SACT002209  Sitanion hystrix Michael Baad 1983-9-3 Placer Collected from west slope of Mount Judah to saddle between Mount Judah and Mount Lincoln. 2529.0 Comment
  SACT002226  Sitanion hystrix D. Meyer 1983-9-10 Placer Collected at west end of meadow near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT002229  Sitanion hystrix D. Meyer 1983-7-3 Placer 5.4 miles north of Foresthill Road. 1234.44 Comment
  SACT002251  Sitanion jubatum D. Meyer 1980-5-24 Placer 1212.0 Comment
  SACT002252  Sitanion jubatum D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Road. 978.0 Comment
  SACT002258  Sitanion jubatum Michael Baad 1977-6-8 Placer 1.3 miles southwest of Volcano Canyon on road between Forest Hill and French Meadows, roadside in serpentine. Comment
  UC147619  Smilacina racemosa Harriet A. Walker 1908-6-23 1226 Placer Blue Canyon 1432 Comment
  UCD126842  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer between sidewalk and street, 221 Elm Street, Roseville. Comment
  CDA5941  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer 221 Elm Street, Roseville. 0 Comment
  UC1125021  Solanum umbelliferum N. French 1933-5-16 55 Placer 3 mi se of Weimer 609 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
  SEINET5624689  Solanum xanti var. montanum Margaret J. Williams 1985-7-6 85- 63 -4 Placer Pacific Crest Trail between old and new Donner Summits Comment
  SCFS1169  Solidago E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Creekside at Chickering. Comment
  RSA473635  Solidago californica Wm. Martin 1971-9-10 20243 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  RSA473674  Solidago canadensis subsp. elongata Wm. Martin 1971-9-10 20284 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. 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
  JEPS126408  Solidago elongata Steve Matson 1998-8-18 370 Placer Tahoe north shore Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course along trails. Comment
  JEPS32359  Solidago elongata L. S. Smith 1925-8-12 1698 Placer Millers Defeat which is about 2 1/2 mi s Duncan Peak (road to Last Chance); Millers Defeat 1859 Comment
  OBI49197  Solidago elongata Lewis S. Rose 1938-9-14 38268 Placer Truckee River, 3 mi NW of Tahoe city 1829 Comment
  CDA19497  Soliva sessilis M. I. Wibawa 2002-5-27 271 Placer Sacramento Valley; Next to parking lot to American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  CAS-BOT-BC366000  Sonchus asper Gordon H. True 1968-7-10 4367 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Road 1554 Comment
  UC861955  Sorbus californica Lewis S. Rose 1940-5-29 40421 Placer Cisco 1737 Comment
  UCR206358  Spergula arvensis subsp. arvensis George K. Helmkamp, E. A. Helmkamp 2009-3-11 14385 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  NY482325  Spergularia bocconi E. J. Neese 1985-10-1 17298 Placer Gold Run rest stop along I-80 between Sacramento and Reno Comment
  UCD44520  Sphenosciadium capitellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1886 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD93122  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8163 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80W, junction of Meadow Vista Road. 487 Comment
  UCD43851  Stachys ajugoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1217 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  POM286219  Stellaria longipes Lyman Benson 1942-7-2 11252 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CAS-BOT-BC391174  Stellaria longipes subsp. longipes Alice Eastwood 1909-1-1 36 Placer Lake Tahoe Region. Sunnyside Comment
  UCD99389  Stellaria media J. J. Geibel 1965-5-1 30 Placer on Forest Hill Road, 8 miles west of Forest Hill. 670 Comment
  UCR171207  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-24 10074 Placer Northern Sacramento Valley, Junction of Wise Road and Garden Bar Road east of Ewing 95 Comment
  SEINET5336903  Stellaria media K. Terrell 1960-3-17 s.n. Placer North Fork of American River, 5 miles from Auburn. 396 Comment
  JEPS71597  Stenotus acaulis Gladys L. Smith 1972-8-25 3412 Placer West facing slope below Watson Monument, tr. to Granite Chief 2560 Comment
  UC197335  Stenotus acaulis C. F. Sonne 1897-7-18 Placer Truckee Knob 2743 Comment
  CDA8828  Stenotus acaulis var. acaulis Jim Jokerst 1986-7-13 2736 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, just below the summit of Needle Peak. 0 Comment
  POM33071  Stephanomeria lactucina Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SACT002321  Stipa californica D. Meyer 1983-8-20 Placer To summit at first lake, steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT002322  Stipa californica D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT002328  Stipa californica D. Meyer 1984-8-26 Placer Collected at summit 1660.0 Comment
  SACT002341  Stipa columbiana D. Meyer 1983-9-10 Placer Collected on west end near parking lot moist streambank and meadow. 1879.0 Comment
  SACT002342  Stipa columbiana D. Meyer 1983-7-30 Placer Moist areas in both sides of road. 2072.64 Comment
  UCD55562  Stipa columbiana Rex Palmer 1979-6-19 N 254 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT002356  Stipa lemmonii Michael Baad 1977-6-2 Placer 8.5 miles southwest of junction of Deadwood Road. 666.0 Comment
  SACT002361  Stipa lemmonii Michael Baad 1977-6-8 Placer Ridge northeast of central crater area. 1570.6 Comment
  SACT002362  Stipa lemmonii Michael Baad 1976-6-17 Placer Collected on flood plain at Royale Gorge- Wabena Creek to Wildcat Canyon. Comment
  OBI20289  Stipa occidentalis var. californica Robert F. Hoover 1967-9-7 10854 Placer Antone Meadow Comment
  JEPS9070  Streptanthus polygaloides Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, H. Stutz and F. Ehrendorfer 1952-7-20 3875 Placer slope just s Shirttail Creek (6 mi e of Iowa Hill); Tahoe National Forest 1115 Comment
  POM260048  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer 6 miles N of Colfax 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
  CDA12429  Streptanthus tortuosus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8558 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CHSC11378  Streptanthus tortuosus Lowell Ahart 1962-7-11 Placer Ahart Camp, French Meadows. 1676 Comment
  UCR208578  Streptanthus tortuosus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14622 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
  JEPS32521  Styrax officinalis var. redivivus W. L. Jepson 1938-4-5 18581 a Placer 2 mi e Auburn; e of Auburn Comment
  UCD119095  Styrax redivivus Julie Combs 1994-5-14 19 Placer 1/2 m E of Robie St. just off hiking trail. 274 Comment
  UCD67979  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  CHSC9531  Symphoricarpos mollis J. F. Goodwin 1971-7-10 159 Placer Approx. 1 mi west of Lake Tahoe at end of Old County Road, 2.3 mi SW of Cornelian Bay. 1981 Comment
  JEPS21741  Symphoricarpos mollis Marcus E. Jones, A. M. 1882-6-27 3292 Placer Emigrant Gap 1584 Comment
  CHSC67650  Symphoricarpos rotundifolius var. rotundifolius James D. Jokerst 1986-7-13 2735 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  UC1119995  Symphoricarpos rotundifolius var. rotundifolius G. F. Burks 1934-9-19 45 Placer Squaw Creek; Tahoe National Forest, Truckee Quad. 2011 Comment
  CHSC74193  Symphyotrichum ascendens Susi Urie 1998-9-2 98 -199 Placer Below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UC615396  Symphyotrichum foliaceum Beryl O. Schreiber 1933-9-11 763 Placer road to Summit Comment
  CAS-BOT-BC98047  Symphyotrichum lentum A. A. Heller 1926-9-3 14330 Placer Seven miles east of Auburn along the Lincoln highway Comment
  UCD75946  Symphyotrichum spathulatum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5187 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
  UC53989  Symphyotrichum spathulatum Chesnut and Drew 1898-8-8 Placer Cascade Lake Tahoe Comment
  CHSC73925  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-1 98 -193 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CAS-BOT-BC376827  Tanacetum vulgare Bessie Kibby 1950-9-1 s.n. Placer Homewood, Lake Tahoe Comment
  RSA592642  Taxus brevifolia Fay A. MacFadden 1934-8-14 12872 Placer Canyon Creek, Dutch Flat Comment
  CAS-BOT-BC85266  Taxus brevifolia Mary E. Jump 1939-11-1 s.n. Placer Little Bear Canyon Comment
  UC1126226  Thalictrum fendleri N. French 1934-6-1 394 Placer Cisco Butte Tahoe National Forest, Colfax Quadrangle Comment
  SEINET8702543  Thalictrum fendleri P. B. Kennedy, S. B. Doten 1901-8-19 422 Placer Talbots Home Camp, 7 miles from French Meadows. 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
  UC188094  Thelypodium crispum C. F. Sonne 1886-7-11 Placer McFarland's old mill, road to Hot Springs Comment
  CDA24995  Thlaspi arvense J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Disturbed area at base of wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  HSC27260  Thysanocarpus curvipes J. P. Smith 1972-3-22 5092 Placer Bridge over N Fork of American River. 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
  JEPS113105  Thysanocarpus radians Lowell Ahart, Brian Williams 2007-4-13 13671 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln 37 Comment
  UC727069  Thysanocarpus radians A. A. Heller 1940-4-8 15534 Placer one mi n Sheridan Comment
  UCD128166  Torilis arvensis K. O'Keefe 1995-6-4 s.n. Placer along Forest Hill Road, about 10 miles east of Auburn, in Sierra foothills. 500 Comment
  UCD40908  Torilis arvensis Dan Ceobrquist 1984-5-22 10 Placer 3 mi. east of Auburn. Along side of Hwy 80. Comment
  UCR216028  Torilis arvensis George K. Helmkamp, Amy Barnes 2009-7-12 15189 Placer Sierra Nevada Mountains Foothills, along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  UCR218129  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16381 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SEINET4178564 Image available Torilis arvensis George Helmkamp, E. A. Helmkamp 2010-6-26 Placer Sierra Nevada Mtns Foothill, Jct of Canyon Way and Yankee Jim's Rd. 616 Comment
  RSA759627  Torreya californica Doug Goldman 2004-11-2 2919 Placer South side of Yankee Jims Road, west of Foresthill. 860 Comment
  CHSC73391  Torreyochloa pallida var. pauciflora L. P. Janeway; Eric Schroder 1998-9-16 6330 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
  UCD44011  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1377 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC1334176  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer Dutch Flat n.e. of Masonic Cemetery; Dutch Flat 1005 Comment
  UCD117039  Toxicodendron diversilobum J. M. Ogawa 1952-5-8 s.n. Placer North of Loomis. 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
  CDA15971  Tragopogon pratensis G. F. Hrusa, J. Glazner 1999-7-17 15122 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA101426  Trautvetteria grandis R. Weatherby 1955-8-9 1679 Placer S Fork Haskins Creek, 2 miles S of Bucks Lake. 1646 Comment
  SBBG58472  Trientalis latifolia M. N. Ackley -Jun-1925 798 Placer Towle 1127 Comment
  UCR235378  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2012-5-11 18960 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  SCFS2171  Trifolium cyathiferum L. Hooker 1963-6-27 29 Placer Mdw 3.7 mi past Montreal Rd on Hwy 89 1829 Comment
  UCD43294  Trifolium cyathiferum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 662 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD108820  Trifolium dubium Al Franklin 1987-5-1 87 -10 Placer 1.3 miles east of I-80, on Foresthill Road, just outside Auburn. 396 Comment
  UCR190668  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2007-5-23 12077 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
  UCR207872  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2009-4-22 14570 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCR250145  Trifolium dubium George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20822 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UCD108876  Trifolium dubium R. Tofsrud 1951-5-9 s.n. Placer Highway 40, ca. 4 miles E of Colfax. Comment
  CDA36913  Trifolium glomeratum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  SD237452  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15933 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 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
  SEINET3245949  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2010-1 15933 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5') 157 Comment
  UCD111201  Trifolium hirtum M. H. Mills 1996-4-21 161 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCD13353  Trifolium hirtum Anne Marie Weyandt 1989-5-20 20 Placer El Dorado National Forest. North Fork of the American River. E of Foresthill, SW of Mosquito Narrows. 914 Comment
  UCR250064  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 962 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
  SEINET7072696  Trifolium incarnatum A. G. Vestal 1963-5-6 s.n. Placer North of Loomis and southeast of Lincoln on Sierra College Blvd. [Humphrey Road]. UTM Zone 10, 654588E, 43033126mN. Coordinate datum: NAD 27. Comment
  SEINET9260873  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-1 22809 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  UCD39209  Trifolium incarnatum Beecher Crampton 1953-5-26 1340 Placer 2 miles north of Lincoln. Sunnybrook Farm. Comment
  UCR253129  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-4-23 22809 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  UC1130061  Trifolium kingii var. productum B. Bolt 1934-7-17 136 Placer 1/2 mi sw Walker Mine; Truckee quad, Tahoe National Forest 1981 Comment
  SD6082  Trifolium longipes Unknown Jun 1914 Placer Cisco Comment
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Jul 11 2010
  UC630802  Trifolium longipes var. hansenii L. S. Smith 1916-6 568 Placer Squaw Valley Comment
  JEPS29496  Trifolium longipes var. hansenii C. F. Sonne June 1886 55 Placer Donner Lake Sierra Nevada (Truckee) Comment
  UCD22004  Trifolium microcephalum Beth Lowe Corbin 1982-8-13 342 Placer 1 mile west of The Cedars. Meadowy slope in White Fir forest. Annual. Flowers bluish. Partial sun. West facing slope, 20% incline. Locally common. 1645 Comment
  UCD38472  Trifolium microcephalum Beecher Crampton 1955-6-15 2870 Placer Head of Bunch Canyon. 0.5 miles south of US Hwy. 40. Forest Hill Road. Comment
  UCD109207  Trifolium monanthum R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  JEPS127430  Trifolium monanthum subsp. monanthum Steve Matson 1998-8-21 391 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; east of main boggy site on West Fork Snow Creek. Comment
  OBI12652  Trifolium productum Robert F. Hoover 1967-9-5 10833 Placer Carnelian Bay, Lake Tahoe Comment
  UCD109307  Trifolium productum E. Wilson 1934-8-5 s.n. Placer Near Cisco. 1676 Comment
  UC450025  Trifolium repens Katharine Brandegee Aug. 1911 Placer Tahoe Tavern Comment
  CAS-BOT-BC516754  Trifolium tomentosum George K. Helmkamp; Amy Barnes 2013-3-28 20299 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  SEINET7375916  Trifolium tridentatum H. E. Hodge 1956-3-28 14 Placer U.s. Hwy 40, one mile east of Rocklin 76 Comment
  SEINET7375928  Trifolium tridentatum A. Allen 1950-4-29 12 Placer 1.2 mile west of Rocklin on highway 40, railroad right of way Comment
  UCD109442  Trifolium variegatum var. geminiflorum R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UCR258413  Trifolium willdenovii George K. Helmkamp, Amy Barnes 2014-3-21 22630 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  UC498166  Trifolium wormskioldii Katharine Brandegee July 1911 Placer Tahoe Tavern 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
  SEINET13750545  Triphysaria eriantha D. F. Erskine 1941-4-28 14 Placer 2 miles E of Roseville. 76