Search Results — 2000 specimen records retrieved (1622 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD42944  Abies concolor C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 313 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43915  Abies concolor C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1281 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC331009  Acer glabrum var. glabrum Lowell Ahart 1964-7-3 s.n. Placer Placer Queen Mine 1676 Comment
Read comments
Oct 16 2019
  UCD22096  Acer glabrum var. glabrum Beth Lowe Corbin 1982-8-4 245 Placer 1 1/4 mile NE of Onion Creek Campground. SE facing slope, 20% inclination. Partial sun. In damp canyon of white fir forest. Shrub 5 ft tall, with smooth, greyish bark. Fruit greenish. 2103 Comment
  RSA739870  Acer glabrum var. torreyi L. P. Janeway, David Toren 2008-9-15 9596 Placer Northern High Sierra Nevada, Plumas National Forest, along S Branch Middle Fork Feather River 500m upstream of the Road 22N95 Bridge, 1.8km NW of Cascade. 1132 Comment
  UCD117004  Acer macrophyllum Eric Brenner; John Hunter 1996-5-26 025 Placer Tahoe National Forest, Mosquito Ridge Road. 1280 Comment
  UCD117054  Acer macrophyllum K. H. Traver 1969-5-24 39 Placer 1 mile north of Forest Hill. Comment
  SEINET7894012  Acer macrophyllum J. Ridley 1959-4-19 24 Placer 1 mi. east of Baxter along small stream bank on south side of Highway 40 1219 Comment
  SEINET7894044  Acer macrophyllum J. Martin 1959-4-25 s.n. Placer Along US Hwy 49, 5 miles E of Sierraville. Comment
  UCD117109  Acer negundo Chester Dunbar 1969-4-10 102 Placer 1 mile south of Intersection of Road A5005 and Nicolaus Road. Comment
  CDA39012  Achillea millefolium Larry Klaasen, D. G. Kelch 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  OBI39804  Achillea millefolium Joy H. Nishida 1985-7-10 783 Placer Homewood 1829 Comment
  UCD43244  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 613 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  RSA0008969  Achnatherum lemmonii var. lemmonii Marcus E. Jones 1982-6-28 3298 Placer Emigrant Gap. Comment
  CAS-BOT-BC216416  Achnatherum lettermanii A. A. Heller No date on label 12889 Placer Summit Station 2121 Comment
  SEINET3828338 Image available Achnatherum lettermanii George K. Helmcamp, E. A. Helmkamp 2012-1 18959 Placer Northern Sierra Nevada Mountians Foothills: Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road, Foresthill 7.5' Q. 1140 Comment
  UCD50937  Achnatherum occidentale John Thomas Howell 1943-7-25 18808 A Placer West side of Donner Pass near Norden. 2133 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
  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
  UCD51067  Achnatherum occidentale subsp. californicum Elizabeth Wilson 1940-8-8 s.n. Placer near Hampshire Rocks. 1828 Comment
  SACT000022  Achnatherum occidentale subsp. occidentale James Grove 1977-7-15 Placer 2000.0 Comment
  UCD75728  Achnatherum occidentale subsp. occidentale Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5167 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
  CAS-BOT-BC218038  Achnatherum stillmanii Catherine Best 1979-7-7 s.n. Placer Ca. 15 miles E of Foresthill, Big Tree Grove Comment
  UCD54020  Achnatherum stillmanii G. F. Hrusa; B. Meese 1997-3-26 13791 Placer Italian Bar Trail, N-facing slope to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. 900 Comment
  CAS-BOT-BC218035  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine range, Forest Hill District, Tahoe Forest 914 Comment
  SCFS1005  Acmispon E. Krimmel 2014-6-26 Placer Above seep at Cedars driveway on Soda Springs road Comment
  SEINET7249210  Acmispon americanus var. americanus G. K. Helmkamp, E. A. Helmkamp 2012-1 19917 Placer Northern Sierra Nevada Mountains; junction of Nyack Road and I-80 in the Emigrant Gap area 1652 Comment
  SEINET5327431  Acmispon micranthus A. Allen 1950-4-29 14 Placer 2 mi E of Roseville on Hwy 40, along side of Hwy Comment
  JEPS127434  Acmispon nevadensis var. nevadensis Steve Matson 2003-7-14 854 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  CHSC34612  Acmispon wrangelianus Lichael P. Crivello 1979-4-11 Placer 2.5 mi nne of Auburn, 200 yds n of confluence of North and Middle forks of American River. Comment
  SBBG89395  Aconitum columbianum M. J. Warnock 1984-8-16 3823 Placer SE of Ski Lodge at Alpine Meadows Ski area Comment
  UCD44430  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1796 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC118882  Aconitum columbianum C. F. Sonne 1897-7-25 Placer w. slope <Washoe> Mt.; Sierra Nevada Mts. 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-BC29250  Acroptilon repens Beecher Crampton 1972-7-26 8851 Placer Carpenter Flat east of Emigrant Gap. Along Laing's Road. Comment
  JEPS60389  Actaea rubra Leland S. Smith 1931-5-12 2541 Placer Tahoe Forest 914 Comment
  UCR218244  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16429 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  CAS-BOT-BC9066  Aegilops triuncialis K. L. Stark 1971-6-8 s.n. Placer West side of Fiddyment Road, 0.1 mile south of Phillip Road, ca. 5 miles northeast of Roseville Comment
  UCD51602  Aegilops triuncialis B. Crampton 1955-5-27 2815 Placer 5-6 miles northwest of Roseville. Comment
  UCD13209  Aesculus californica Charles Martin 1986-4-27 21 Placer Folsom Lake, west end of Sierra Dr. in empty lot near lake. Elev. ca. 430 ft. 131 Comment
  SJSU11410  Agastache urticifolia H. T. Harvey 1958-8-19 Placer Sugar Bowl, 1 mi S of Donner Summit 2164 Comment
  UC615511  Agastache urticifolia Beryl O. Schreiber 1932-9-11 766 Placer road to Summit Comment
  SCFS1171  Ageratina occidentalis E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Comment
  CHSC74187  Agoseris glauca var. monticola Susi Urie 1998-9-4 98 -267 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC13425  Agoseris retrorsa Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UC112920  Agoseris retrorsa Katharine Brandegee 1908-6-6 Placer near Auburn Comment
  UC891244  Agoseris retrorsa C. L. Hitchcock 1940-5-7 6325 Placer ca 1 mi w Baxter Comment
  CAS-BOT-BC110752  Agropyron cristatum T. C. Fuller 1964-9-1 12574 Placer Sierra Nevada. North side of Interstate 80 freeway from Donner Summit, 0.1 mile west of Blue Canyon Road. 1524 Comment
  SACT000046  Agropyron intermedium var. intermedium D. Meyer 1983-7-30 Placer South of Truckee in campground along river 1818.0 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
  SACT000073  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1767.84 Comment
  JEPS22879  Agrostemma githago Donald E. Vermeer 1959-5-2 13 Placer on U.S. Highway 40, 5 mi w Auburn 274 Comment
  UCR241350  Agrostis George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19813 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
  UCR249607  Agrostis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20837 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  SACT000117  Agrostis alba Josephine Van Ess 1977-8-15 Placer .25 mile downstream from bridge over Bear River on Hwy 49 365.8 Comment
  UCD163426  Agrostis avenacea Robert E. Preston 2015-5-29 3003 Placer 1.8 mi SE of Sheridan, 0.5 mi E of Old Hwy 65, 0.25 mi N of Yankee Slough. 33 Comment
  SACT000125  Agrostis avenacea D. Meyer 1984-10-24 Placer Adjancent to cultivated fields of rice 27.3 Comment
  SEINET10792274  Agrostis diegoensis A. S. Hitchcock 1886-1 Hitchcock 12892 Placer Summit Station in open places in coarse granite sand, upper limit of the yellow pine belt. 2121 Comment
  CAS-BOT-BC127108  Agrostis exarata 12891 Placer Summit Station. 2121 Comment
  CHSC81841  Agrostis exarata Lowell Ahart 2001-10-10 9360 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  SACT000095  Agrostis exarata Josephine Van Ess 1973-6-24 Placer wet streambank 91.5 Comment
  SACT000111  Agrostis exarata Michael Baad 1976-8-25 Placer South Face of Scott Peak and SE face of Ward Peak from road to chairlift terminus. Open meadows with scattered red fir and western white pine. 2133.6 Comment
  UC1110539  Agrostis exarata Herbert L. Mason 1939-8-3 12206 Placer 7 mi nw Tahoe City (Squaw Valley); Squaw Valley 1889 Comment
  UCD52340  Agrostis exarata N. French 1933-6-6 72 Placer near Newcastle. 304 Comment
  SACT000114  Agrostis exarata var. monolepis D. Meyer 1984-6-23 Placer Iowa Hill Rd 17.12 km from I 80 Frontage Rd. Dry roadside. elev. 909. s28t15nr10e 978.0 Comment
  UCD52316  Agrostis exarata var. monolepis B. Crampton 1952-11-9 932 Placer Meadow Vista, about 7 miles east of Auburn. 457 Comment
  UCD36675  Agrostis exarata var. pacifica Beecher Crampton 1955-6-15 2915 Placer Placer County, 6 miles west of Forest Hill. Comment
  CAS-BOT-BC139255  Agrostis idahoensis A. A. Heller 1919-7-25 13293 Placer Near the Yuba river below Cisco. 1676 Comment
  RSA129599  Agrostis idahoensis B. Bolt 1934-8-14 175 Placer E. slope of Red Star Ridge 1768 Comment
  UC725839  Agrostis idahoensis A. A. Heller 1919-7-24 13293 Placer near Cisco Comment
  CAS-BOT-BC139003  Agrostis pallens A. A. Heller 1919-7-25 13305 Placer Near the Yuba River below Cisco. 1676 Comment
  UCD53078  Agrostis pallens A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end of Summit valley. 2042 Comment
  UCD75943  Agrostis pallens Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5185 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  JEPS127496  Agrostis scabra Steve Matson 2002-11-7 773 Placer Tahoe west shore; Emerald Bay, Eagle Falls trailhead. Comment
  SACT000151  Agrostis scabra D. Meyer 1983-7-16 Placer 1212.0 Comment
  SACT000157  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 Comment
  SBBG26329  Agrostis scabra B. Crampton 1964-7-21 Placer Cisco Grove 1722 Comment
  UCD53327  Agrostis scabra B. Crampton 1955-7-13 2984 Placer along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  SACT000174  Agrostis semiverticillata Josephine Van Ess 1976-5-12 Placer streamside, wet 91.5 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
  SD247280  Agrostis stolonifera George K. Helmkamp, Elizabeth Helmkamp 2012-9-25 19904 Placer Northern Sierra Nevada Moutains: Blue Canyon Road, 1.1 miles south of tis intersection with I-80, c. 1/2 mile south of Blue Canyon-Nyack airport (Blue Canyon 7.5'Q) 1473 Comment
  UCD53516  Agrostis stolonifera B. Bolt 1934-8-14 s.n. Placer E. slope of Red Star Ridge. 1767 Comment
  SACT000198  Agrostis stolonifera var. major D. Meyer 1984-9-9 Placer east fork of the north fork of north fork of the American River 1394.0 Comment
  SACT000209  Agrostis stolonifera var. major Michael Baad 1983-7-15 Placer 1371.6 Comment
  SACT000214  Agrostis tenuis D. Meyer 1984-6-23 Placer 9.76 km from I80 Frontage rd. moist shady roadside ditch. oak, pine, manzanita, assoc 978.0 Comment
  SACT000217  Agrostis tenuis D. Meyer 1984-8-17 Placer 667.0 Comment
  SACT000211  Agrostis tenuis Josephine Van Ess 1976-6-16 Placer at small stream draining from golf course. wet streambank. 48.8 Comment
  RSA0054101  Agrostis thurberiana G. K. Helmkamp, E. A. Helmkamp 2005-9-30 9936 Placer Northern High Sierra Mountains: Hampshire Rocks Road S of the I-80 Rainbow exit (ca.2 mi E of Cisco Grove). 1805 Comment
  SACT000249  Agrostis variabilis Michael Baad 1983-8-27 Placer Trail btw Lower Loch Leven Lake and Salmon Lake 2072.64 Comment
  SACT000251  Agrostis variabilis Michael Baad 1983-8-11 Placer Collected 3 miles west of Alpine Meadows 2133.6 Comment
  SACT000254  Agrostis variabilis Michael Baad 1976-7-17 Placer west of Alpine Meadows ski area and 6 miles west of Tahoe City. Red fir lodgepole pine forest with opening. 2000.0 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
  JEPS113247  Aira caryophyllea Lowell Ahart 2007-4-13 13659 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCR231889  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2011-4-10 17146 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  SACT000274  Aira caryophyllea Earl Ingrim 1933-4-23 Placer Comment
  CAS-BOT-BC447497  Allium amplectens Belle R. Jackson 1932-6-1 s.n. Placer on road to Iowa Hill, near Colfax Comment
  SEINET176938  Allium campanulatum M. E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  JEPS59455  Allium campanulatum Ezra Brainerd and Viola B. Baird 1915-7-7 190 Placer North Fork of Squaw Creek Valley Sierra Nevada Mts., North Fork of Squaw Creek Valley 1981 Comment
  UCD22039  Allium obtusum Rex Palmer 1979-6-21 N 424 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22041  Allium obtusum Rex Palmer 1979-5-27 N 76 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC474031  Allium parvum John Thomas Howell 1943-7-21 18655 Placer Donner Pass to Mt. Lincoln Comment
  CHSC40964  Allophyllum divaricatum J. D. Jokerst 1984-6-19 2059 Placer North of Long Canyon Cr, E of Blacksmith Flat. 1127 Comment
  CHSC61613  Allophyllum gilioides L. S. Rose 1941-7-9 41299 Placer Chambers Lodge (McKinney), Lake Tahoe. 2100 Comment
  SEINET3861937  Allophyllum gilioides subsp. violaceum Genevieve K. Walden 2009-6-25 214 Placer Northstar Ski Resort parking lot, in median strips near riparian creek.; 0 1927 Comment
  SEINET4560780  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-1 18184 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  CAS-BOT-BC453439  Allotropa virgata Mrs. W. J. G. Lambert 1914-9-1 s.n. Placer Trail from Lake Tahoe to Watson's Lake 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
  RSA306165  Alnus rhombifolia Fay A. MacFadden 1934-7-8 12564 Placer Bear River. Dutch Flat. Comment
  UCR51562  Alopecurus aequalis Lyman Benson 1942-7-2 11268 Placer 1 mi west of Truckee; Hwy junction 1829 Comment
  CAS-BOT-BC474750  Amaranthus hybridus James A. Neilson, Jr. 1971-8-7 2309 Placer Heavenly Valley ski lift 2118 Comment
  JEPS44681  Amelanchier Katharine Brandegee Jul 1908 Placer Alta Comment
  JEPS59457 Image available Amelanchier alnifolia var. pumila Ezra Brainerd and Viola B. Baird 1915-7-13 192 Placer slopes along Truckee River; Sierra Nevada Mountains 1905 Comment
  CDA12417  Amelanchier alnifolia var. semiintegrifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8545 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC1127779  Amelanchier utahensis N. French 1934-5-31 391 Placer 1 mi se Texas Hill; Tahoe National Forest, Colfax Quad. 1615 Comment
  SEINET895796 Image available Amorpha californica H. M. Hall, F. M. Essig 1916-1 10159 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada, lower edge of Lower Transition Zone 400 Comment
  UCD103885  Amorpha californica var. californica Greg Kareofelas 2011-6-15 s.n. Placer Land belonging to Placer Land Trust. Shutamul Bear River Preserve along the Bear River N of Auburn. Along trail on the north-facing slope of the Bear River canyon. 331 Comment
  UCD119604  Amsinckia intermedia Lynn Gould 1962-3-18 7 Placer Base Line Road, 4 miles W of Roseville. Comment
  UCR231872  Amsinckia menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2011-4-10 17137 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCD117535  Anagallis arvensis M. H. Mills 1996-4-12 152 Placer at 5830 Walden Lane, Loomis. 180 Comment
  CAS-BOT-BC249053  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 1552 Comment
  SCFS1165  Anaphalis margaritacea E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Creekside at Chickering. Comment
  UCD83588  Anaphalis margaritacea Albert Grigarick 2009-8-7 157 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1938 Comment
  SEINET6734954 Image available Anaphalis margaritacea L. Miller 1932-8-28 s.n. Placer Cisco County Comment
  UCR146673  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer Sierra Nevada foothills, 1 mile east ['southeast'] of Auburn; north slope above North Fork of American River along State Highway 49 305 Comment
  CAS-BOT-BC137821  Andropogon glomeratus var. pumilus Arthur L. Menzies 1962-11-3 s.n. Placer On Highway 49. 0.25 mile west of American River Bridge near Auburn. 213 Comment
  UCD56088  Andropogon virginicus R. F. Davis 1951-1-1 s.n. Placer 10 miles north of Lincoln. Comment
  UC650444 Image available Androsace occidentalis var. simplex Marcus E. Jones 1884-9-29 Placer Emigrant Gap Comment
  UC1122887  Angelica breweri B. Bolt 1934-8-23 198 Placer Divide between Picayune and Grayhorse (Tahoe National Forest); Tahoe National Forest 2438 Comment
  UCR190224  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2007-8-1 12649 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR206783  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2009-7-16 15213 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  CAS-BOT-BC63975  Antennaria argentea Alice Eastwood 1909-1-1 71 Placer Sunnyside Comment
  JEPS33935  Antennaria argentea C. F. Sonne 1885-7-4 Placer Comment
  JEPS111254  Antennaria dimorpha Steve Matson 2005-6-12 1267 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of powerline, 300 meters NW of Golf Course; 39.2981 N, 120.1258 W; Elevation 5835 ft. 1778 Comment
  JEPS126319  Antennaria rosea Steve Matson 1997-7-1 1 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  CDA25026  Antennaria umbrinella J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  POM264542  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer near Cisco, shrubby hillside. 915 Comment
  SACT000338  Anthoxanthum odoratum Michael Baad 1983-7-1 Placer 6 miles south of Emigrant Gap, Onion Valley, wet meadow. 1524.0 Comment
Read comments
Apr 16 2015
  SACT000340  Anthoxanthum odoratum D. Meyer 1983-7-16 Placer 1212.0 Comment
  UC815547  Anthoxanthum odoratum C. L. Hitchcock 1940-5-7 6316 Placer 1 mi w of Baxter Comment
  SEINET10967848  Anthoxanthum odoratum Alan A. Beetle 1941-5-26 Beetle 2719 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Melica californica, Stipa lemmoni. 914 Comment
  SEINET7595379 Image available Anthoxanthum odoratum A. A. Beetle 1941-1 2719 Placer Cisco, Near Cisco 914 Comment
  CDA14416  Aphanes occidentalis D. Joley 1995-5-12 Placer Dry Creek Road, I-80 east of Auburn near Applegate. 0 Comment
  SEINET6329792  Aphanes occidentalis F. Martin 1962-3-16 55 Placer 2 miles east of Auburn, above the north fork of the Yuba River 274 Comment
  UCD121211  Apocynum androsaemifolium Collector Unknown Date Unknown s.n. Placer W Placer County. Exact locality unknown. Comment
  UCR216027  Apocynum cannabinum George K. Helmkamp, Amy Barnes 2009-7-12 15190 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
  SEINET12328858  Apocynum pumilum J. H. Nishida 1985-1 772 Placer Homewood: Red Fir Forest 1829 Comment
  SCFS1042  Aquilegia formosa E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  SD237579  Aquilegia formosa G. K. Helmkamp, Amy Barnes 2009-7-12 15180 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  UC147572  Aquilegia formosa Harriet A. Walker 1908-6-24 1249 Placer Blue Canyon Comment
  UC148979  Aquilegia formosa H. M. Hall June 1910 8714 Placer Cisco Sierra Nevada 1828 Comment
  UC9012  Aquilegia formosa C. J. Fox Jr. July 1895 Placer Deer Park Inn 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
  UCD114099  Arabidopsis thaliana Barbara Ertter; David Thompson 1989-4-9 8196 Placer Halfway down road to Lake Clementine (=North Fork Lake) NE of Auburn. 304 Comment
  RSA0029334  Arabis John F. Emmel 1991-6-25 1184 Placer Sierra Nevada, Lake Tahoe region. Ward Creek. 2024 Comment
  CDA13686  Arabis drummondii G. F. Hrusa, J. Glazner 1997-8-3 14045 a Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  SEINET8892815  Arabis platysperma K. Christie 2011-1 2081 Placer Lake Tahoe Basin Management Unit (LTBMU); ca. 0.5 mi. east of Martis Peak. Comment
  SEINET7258076  Arbutus menziesii W. D. Billings 1940-5-18 s.n. Placer Gold Run Comment
  CAS-BOT-BC407753  Arceuthobium abietinum E. R. Blakley 1960-8-29 3793 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  SEINET2471192  Arceuthobium abietinum R. L. Mathiasen 2009-8-13 2009 -44 Placer 7.4 km E. of Sly Park Rd. on forest rd. 5 1271 Comment
  UC615467  Arceuthobium americanum Beryl O. Schreiber 1932-9-12 776 Placer Tahoe Meadow Lake Tahoe Comment
  CAS-BOT-BC24209  Arctostaphylos John Thomas Howell 1976-7-18 51932 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  UCR171353  Arctostaphylos manzanita subsp. manzanita George K. Helmkamp, E. A. Helmkamp 2005-10-1 9991 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  CAS-BOT-BC24241  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer W. slope of Sierra Nevada. Gorge Station, C.P.R.R. 1219 Comment
  CAS-BOT-BC27156  Arctostaphylos mewukka Clinton Hart Merriam 1911-11-5 s.n. Placer 3 miles NW of Colfax. Comment
  CAS-BOT-BC27157  Arctostaphylos mewukka Clinton Hart Merriam 1911-11-5 s.n. Placer West slope Sierra Nevada. 3 miles NW of Colfax. Comment
  JEPS14033  Arctostaphylos mewukka Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3880 Placer n-facing serpentine slope just s Shirttail Public Camp (nr. headwaters of Shirttail Creek, 6 mi e of Iowa Hill); Tahoe Nat. Forest 1127 Comment
  CAS-BOT-BC40041  Arctostaphylos nevadensis Mary P. Wells 1980-9-12 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  POM76735  Arctostaphylos nevadensis Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  RSA121257  Arctostaphylos nevadensis R. W. Lundh 1933-4-26 237 Placer 3 miles S. Signal Peak. 1829 Comment
  CAS-BOT-BC42150  Arctostaphylos patula Mary P. Wells 1980-9-12 s.n. Placer Sierra Nevada - forest west of Pioneer Way, Tahoe City 1981 Comment
  RSA122011  Arctostaphylos patula J. E. Sowder, R. W. Lundh 1933-4-20 51 Placer 3 1/2 mi. S.W. Blue Canyon, above railroad, Colfax. 1372 Comment
  RSA254298  Arctostaphylos patula Gary D. Wallace, R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1420 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
Read comments
Jul 23 2017
  UCD21477  Arctostaphylos patula Rex Palmer 1979-5-27 N 64 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR60630  Arctostaphylos patula subsp. patula G. D. Wallace, R. F. Thorne, Larry E. DeBuhr, et al. 1975-4-13 1420 Placer Sierra Nevada, Baxter exit off Hwy 80 between Alta and Blue Can. 1207 Comment
  SCFS1103  Arctostaphylos viscida E. Krimmel 2014-6-26 Placer "Land of the Lost": on trail, 1/3 of the way from Serena Creek to Heath Falls Overlook. Comment
  UCD52816  Arctostaphylos viscida D. H. Hartmann 1941-10-11 s.n. Placer 4 mi. west of Auburn. Comment
  UCR122880  Arctostaphylos viscida Susanne M. James 1980-4-1 73 Placer Highway I80, Alta Bonnie Nook Road offramp, just south of Baxter 1220 Comment
  SEINET7268599  Arctostaphylos viscida L. R. Miller 1934-6-23 s.n. Placer Above Colfax 914 Comment
  CAS-BOT-BC47060  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11121 Placer 3 mi. above Colfax near the road. Comment
  CAS-BOT-BC47125  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. Comment
  POM209626  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-12 A- 2 Placer 3 miles above Colfax. Comment
  RSA27884  Arctostaphylos viscida subsp. viscida C. L. Hitchcock 1940-5-14 6380 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  RSA637017  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24916 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  RSA637025  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24929 Placer Forest Hill Road, 23 km west of Forest Hill, northeast of Auburn. 450 Comment
  UC194945  Arctostaphylos viscida subsp. viscida H. M. Hall 1916-6-20 10216 Placer near Applegate; Sierra Nevada Mountains, Pinecrest 731 Comment
  UC1125769  Arenaria congesta var. suffrutescens G. T. Nordstrom 1934-6-18 109 Placer North slope of Texas Hill Tahoe Natioinal Forest,Colfax Quadrangle, Texas Hill 1584 Comment
  JEPS72319  Arenaria kingii var. glabrescens Gladys L. Smith 1972-6-20 3207 Placer about terminus of summit chairlift Ward Peak 2621 Comment
  SACT000298  Aristida oligantha Josephine Van Ess 1976-8-11 Placer Collected short way north of Lincoln (pond area); edge of dried up pond, clay soil 48.8 Comment
  CAS-BOT-BC82202  Arnica chamissonis Geo. B. Grant 1906-7-15 6993 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  CHSC72867  Arnica chamissonis L. P. Janeway; Eric Schroder 1998-7-13 5757 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UC53991  Arnica chamissonis Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  NY158403  Arnica ciliaris C. F. Sonne 1896-8-2 s.n. Placer R. R. Canyon on road to Tahoe Comment
  CAS-BOT-BC82320  Arnica cordifolia M. E. Parsons 1910-7-31 s.n. Placer [Aspengrove] Aspen Grove, Lake Tahoe Comment
  JEPS126301  Arnica cordifolia Steve Matson 1999-6-12 409 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. Comment
  RSA123055  Arnica dealbata B. Bolt 1934-8-14 171 Placer Red Star Ridge, between Mount Mildred and Middle Fork of the American River, Tahoe National Forest. 2134 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
  UC1070445  Arnica dealbata B. Bolt 1934-8-14 171 Placer e slope Red Star Ridge; Tahoe National Forest, Truckee Quad. 2133 Comment
  UC477561  Arnica longifolia L. S. Smith 1931-7-15 2608 Placer Mt. Rose country Tahoe Nat. Forest, Mt. Rose 2438 Comment
  CDA13701  Arnica mollis G. F. Hrusa, J. Glazner 1997-8-3 14061 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UC91145  Arnica mollis C. F. Sonne 1892-9-1 Placer Truckee River, (meadows) Truckee River Comment
  UCD42806  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 172 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44017  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1383 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  POM9976  Arnica mollis E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  UC193461  Arnica nevadensis C. F. Sonne 1885-7-12 Placer n of Tinkers Knob; Anderson's Peak Comment
  POM31362  Arnica parryi subsp. sonnei Marcus E. Jones 1902-9-1 s.n. Placer Alta Comment
  CAS-BOT-BC85016  Artemisia arbuscula subsp. arbuscula A. A. Heller 1917-8-13 12914 Placer Ridge northwest of Donner Pass on an open stony slope below a ledge of igneaous rock. 2346 Comment
  CAS-BOT-BC85017  Artemisia arbuscula subsp. arbuscula A. A. Heller 1917-8-13 12914 Placer Ridge northwest of Donner Pass on an open stony slope below a ledge of igneaous rock. 2346 Comment
  CDA16795  Artemisia arbuscula subsp. thermopola G. F. Hrusa, J. Glazner 2001-7-15 15934 Placer Sierra Nevada; N side at summit of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  JEPS126341  Artemisia cana subsp. bolanderi Steve Matson 1997-9-27 181 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south of Highway 267 near Martis Creek. Comment
  UCD129252  Artemisia douglasiana Rex Palmer Date Unknown N 888 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21691  Artemisia douglasiana Rex Palmer Date Unknown N 888 Placer Headwaters basin area of the North Fork of the American River Comment
  UC128211  Artemisia douglasiana Miss Harriet A. Walker 1397 Placer near Yuba River (Cisco) 1524 Comment
  UCD21692  Artemisia ludoviciana Rex Palmer 1979-6-20 N 285 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC90714  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer Base of a cliff north of Summit hotel 2164 Comment
  UCD129333  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer Base of a cliff north of Summit hotel. 2164 Comment
  UC91244  Artemisia norvegica subsp. saxatilis C. F. Sonne 1889-7-29 Placer mts. above Bear Valley; Truckee River, Bear Valley Comment
Read comments
Apr 3 2021
  JEPS72589  Artemisia rothrockii Gladys L. Smith 1972-8-25 3414 Placer base of Granite Chief 2575 Comment
  RSA122572  Artemisia spiciformis B. Bolt 1934-8-23 201 Placer Mount Mildred 2470 Comment
  UC1119472  Artemisia tridentata subsp. vaseyana R. C. Wilson 1934-9-19 73 Placer Suaw Valley Tahoe National Forest, Truckee Quadrangle, Squaw Valley Comment
  SBBG61524  Asarum lemmonii M. N. Ackley -Jun-1925 7 Placer Towle 1127 Comment
  UC878961  Asclepias cordifolia Marcus E. Jones, A. M. 1882-6-30 2802 Placer Emigrant Gap Comment
  JEPS82186  Asclepias cordifolia Wilma Follette 1975-7-14 Placer trailhead to Five Lakes Comment
  UC22964  Asclepias cordifolia Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC69580  Aspidotis densa Geo. B. Grant 1906-7-20 s.n. Placer Lake Tahoe, Sierra Nevada Mts. 2438 Comment
  CAS-BOT-BC99220  Aster Peter Rubtzoff 1976-9-18 8844 Placer Lake Van Norden, south side of lake - Sierra Nevada 2063 Comment
  UCR201892  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2008-8-20 14025 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  CDA13698  Aster integrifolius G. F. Hrusa, J. Glazner 1997-8-3 14058 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  RSA417676  Aster integrifolius Fay A. MacFadden 1934-7-26 12909 Placer Red Mountain Comment
  SCFS1172  Asteraceae E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Road at Chickering. Comment
  SCFS1029  Asteraceae E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 Comment
  CAS-BOT-BC177511  Astragalus austiniae C. F. Sonne 1885-8-23 68 Placer Tinker's Knob 2895 Comment
  CHSC67651  Astragalus austiniae James D. Jokerst 1986-7-13 2732 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  POM19452  Astragalus austiniae C. F. Sonne 1897-7-18 s.n. Placer Tinkers Knob. 2744 Comment
  UC862943  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer near Summit Hotel; near Summit Hotel 2133 Comment
  JEPS59463  Astragalus canadensis var. brevidens Ezra Brainerd and Viola B. Baird 1915-7-23 199 Placer sandy shore Lake Tahoe (Greene Pt.); Sierra Nevada Mts., , Greene Pt. 1901 Comment
  CAS-BOT-BC69563  Athyrium alpestre subsp. americanum M. E. Parsons 1911-8-19 s.n. Placer Page Meadow, Lake Tahoe. Comment
  SD9322  Athyrium distentifolium C. F. Sonne Aug 1897 Placer East slope Mt. Anderson 2590 Comment
  JEPS35131  Athyrium distentifolium var. americanum C. F. Sonne Aug 1887 324 Placer e slope Mt Anderson (above Coldstream); Sierra Nevada Mts 2590 Comment
  RSA692527  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1953-1 4942 Placer [no locality information provided] Comment
  UCD136285  Athyrium filix-femina var. californicum Beecher Crampton 1972-6-20 8826 Placer From Bear Valley, State Highway 20 east. 1402 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
  SACT000365  Avena barbata Josephine Van Ess 1976-3-16 Placer sunny roadside 91.5 Comment
  UC1130893  Avena barbata N. French, R. Clar 1933-6-5 68 Placer Middle Fork American River Sacramento Quadrangle Comment
  RSA43812  Balsamorhiza deltoidea D. F. Howe 1948-5-23 s.n. Placer American River 305 Comment
  UC10261  Barbarea orthoceras C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UC147603  Barbarea orthoceras Harriet A. Walker 1908-6-25 1307 Placer Cisco, Placer Co. 1810 Comment
  UCD18435  Barbarea verna Joe DiTomaso 2001-4-11 s.n. Placer near Auburn, ca. 10 minutes east of the city toward Foresthill. 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
  CAS-BOT-BC75991  Berberis pumila Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat. Comment
  SACT002811  Betula pendula Josephine Van Ess 1977-10-7 Placer Collected in Jaeger Road at Mount Vernon Road the old Teagarden homestead. Abandoned homestead site, grassy slope. Comment
  UC1192171  Bidens frondosa Malcolm A. Nobs 1948-9-25 687 b Placer 9 mi n of Auburn (Rock Creek Highway 49); Rock Creek, Highway 49 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
  UCD38380  Blennosperma nanum B. Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  CAS-BOT-BC100274  Blennosperma nanum var. nanum Carl B. Wolf 1937-3-30 8350 Placer Sacramento Valley, 4 8/10 mi. E. of Lincoln on Penryn Road 91 Comment
  UC931946  Blennosperma nanum var. nanum Verne Grant and Alva Grant 1946-4-10 7684 Placer e of, on road to Lincoln Loomis 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
  UC186856  Boechera lemmonii C. F. Sonne 1897-7-18 Placer Tinkers Knob 2743 Comment
  CAS-BOT-BC14404  Boechera platysperma A. A. Heller 1903-7-20 6975 Placer Donner Pass. 2133 Comment
  JEPS53132  Boechera platysperma C. F. Sonne Aug 1888 416 Placer Truckee River Sierra Nevada Mountains Comment
  RSA466747  Boykinia major Wm. Martin 1971-9-10 20268 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  SEINET10340049  Boykinia major George K. Helmkamp, E. A. Helmkamp 2008-9-15 14115 Placer Northern Sierra Nevada Mountains; along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  CAS-BOT-BC145514  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco. 914 Comment
  CDA36920  Briza minor CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CAS-BOT-BC482162  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  RSA670113  Brodiaea coronaria Regina Putman 1997-4-19 5 Placer City of Rocklin, in grassy field N of Toys-R-Us. 70 m W of the end of Five Star Blvd. 67 Comment
  JEPS7635  Brodiaea elegans subsp. elegans W. H. Shockley Placer Auburn Comment
  RSA21283  Brodiaea minor Carl B. Wolf 1937-5-12 8627 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  CAS-BOT-BC144326  Bromus W. R. Dudley 1900-6-28 s.n. Placer Tallac. Comment
  SEINET2473481 Image available Bromus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-1 16435 Placer Sierra Nevada Mountains Foothills; Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 410 Comment
  UCD44481  Bromus arenarius C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1847 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SACT000376  Bromus arvensis D. Meyer 1983-6-5 Placer roadside ditch. 829.056 Comment
  UCD58263  Bromus carinatus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCD74173  Bromus carinatus Jennifer W. Burt 2005-7-13 35 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. 1928 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
  CDA15956  Bromus carinatus var. carinatus G. F. Hrusa, J. Glazner 1999-7-17 15142 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD59195  Bromus carinatus var. marginatus Mrs. H. P. Kelley 1916-7-17 s.n. Placer Tallac, Lake Tahoe. Comment
  UCD59203  Bromus carinatus var. marginatus L. S. Smith Date Unknown 514 Placer Squaw Valley. Comment
  CHSC74152  Bromus ciliatus Susi Urie 1998-8-13 98 -035 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD58451  Bromus commutatus R. Tofsrud 1951-6-9 s.n. Placer Lake Arthur near Applegate on Hwy. 40. Comment
  SACT000528  Bromus diandrus D. Meyer 1983-4-17 Placer 231.648 Comment
  SACT000667  Bromus diandrus Josephine Van Ess 1975-5-23 Placer South end of upper part of Volcano hill. Orangevale. Comment
  SEINET4391156  Bromus diandrus R. L. Oliver 1976-4-13 s.n. Placer Along roadside, Auburn 366 Comment
  UCD58614  Bromus grandis G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrendorfer, J. Hunziker et al. 1952-7-19 5124 Placer Along north fork of American River. 2 miles south of Colfax. 1/2 mile east of bridge of Iowa Hill Road. 350 Comment
  CAS-BOT-BC155062  Bromus hordeaceus John Thomas Howell; Gordon H. True 1972-3-17 7081 Placer Northern Outskirts of Lincoln. 48 Comment
  CDA36882  Bromus hordeaceus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA37199  Bromus hordeaceus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD58828  Bromus hordeaceus Al Franklin 1987-5-1 87 -01 Placer 1.6 miles east of I-80 on Foresthill Road; just outside of Auburn. 426 Comment
  SACT000553  Bromus inermis D. Meyer 1984-7-21 Placer east of Tahoe City, moist roadside ditch and pine wooded area, dense shade. 1927.0 Comment
  UCD58852  Bromus inermis Beecher Crampton 1972-7-26 8850 Placer Carpenter Flat, east of Emigrant Gap. 1615 Comment
  SACT000595  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Garden Bar Rd. collected in woodland area. Shaded slope. Heads nodding. Comment
  SBBG22700  Bromus laevipes M. S. Walters 1960-6-21 Placer Hwy 89 just S of Tahoe City, 0.3 mi S of Truckee River Bridge Comment
  SACT000630  Bromus madritensis Michael Baad 1983-5-7 Placer open rock hillside; south-facing, serpentine slope 426.7 Comment
  SACT000633  Bromus madritensis D. Meyer 1983-6-5 Placer along roadside turn-off 487.68 Comment
  SACT000699  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  SACT000573  Bromus mollis Josephine Van Ess 1976-4-14 Placer sunny slope 91.5 Comment
  OBI22383  Bromus orcuttianus Robert F. Hoover 1967-9-7 10858 Placer Antone Meadow Comment
  SBBG22673  Bromus orcuttianus M. S. Walters 1960-6-21 Placer Hwy 89, 0.3 mi S of Truckee River Bridge at Tahoe City Comment
  UCD59271  Bromus orcuttianus Beecher Crampton 1956-7-17 3723 Placer Blue Canyon. 1432 Comment
  UCR215974  Bromus orcuttianus George K. Helmkamp, Amy Barnes 2009-7-12 15177 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  SEINET3922457  Bromus rigidus Arnold Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-3-25 606 Placer One mile north of Lincoln.; 0 Comment
  SACT000724  Bromus rubens Michael Baad 1977-6-8 Placer thin soil 1219.2 Comment
  SACT000727  Bromus rubens Michael Baad 1983-4-17 Placer 411.48 Comment
  UCD36324  Bromus secalinus Beecher Crampton 1953-5-26 1337 Placer Placer County, 2 miles north of Lincoln, Sunnybrook Farm. Comment
  UCD59653  Bromus secalinus Beecher Crampton 1953-5-26 1336 Placer Sunnybrook Farms, 2 miles north of Lincoln. Comment
  SACT000755  Bromus suksdorfii Michael Baad 1983-9-3 Placer form saddle between Mount Judah and Mount Lincoln 2529.0 Comment
  UCD59738  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  SACT000766  Bromus tectorum Michael Baad 1983-5-5 Placer 1.2 miles southeast of Canyon Way descending to North Fork of the American River 548.64 Comment
  SACT000775  Bromus tectorum var. tectorum D. Meyer 1983-8-7 Placer 3.2 km North of Tahoe City 1879.0 Comment
  UC1729975  Calamagrostis canadensis L. P. Janeway, Eric Schroder 1998-9-16 6327 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek); Homewood Quadrangle 2124 Comment
  UCD42956  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 325 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 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
  UCD43160  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 528 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CHSC72323  Calliscirpus brachythrix L. P. Janeway 1998-9-18 6344 Placer Small meadow just below the Pacific Crest Trail about 2.4 mi north of Barker Pass; draining into North Fork Blackwood Creek. 2331 Comment
  CHSC96485  Callitriche heterophylla var. bolanderi Lowell Ahart; Brian Williams 2007-4-13 13669 Placer In shallow water, in and around a large vernal pool, just over the fence (west), 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. 41 Comment
  UCSB45754  Callitriche marginata Reisentz, Paul 1979-5-11 Placer 1 mile south of Sheridan on Highway 65 Comment
  NY18969  Calocedrus decurrens F. A. MacFadden 1934-8-8 12824 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD162759  Calocedrus decurrens Dylan O. Burge; J. Bisbee 2014-5-25 1638 Placer Soda Springs Road. 2009 Comment
  UCD22088  Calocedrus decurrens Beth Lowe Corbin 1982-8-25 419 Placer Onion Creek Campground. South facing slope, 15% incline. Full sun. In fine, sandy soil of mixed conifer forest. Tree 50 ft tall, with reddish, peeling bark. 1841 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
  UCR194974  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11998 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  SEINET8196119  Calochortus coeruleus M. J. Williams 1970-6-7 s.n. Placer Near Emigrant Gap. 1615 Comment
  RSA377378  Calochortus leichtlinii W. Hutchinson 1922-06 3566 Placer Lake Tahoe. Comment
  UCD21610  Calochortus leichtlinii E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1279 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. Open W-facing granite slope, ascending ridge. 2300 Comment
  SEINET8197384  Calochortus luteus D. F. Erskine 1941-4-26 6 Placer 2 miles E of Roseville. 76 Comment
  CDA19538  Calochortus monophyllus M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 244 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  CAS-BOT-BC493401  Calochortus monophyllus L. Constance; J. L. Morrison 1938-4-30 2172 Placer At E. edge of Applegate, Sierra Nevada foothills 609 Comment
  CAS-BOT-BC493404  Calochortus monophyllus Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SEINET3992420  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles north of Colfax Comment
  CAS-BOT-BC126721  Calycadenia multiglandulosa G. K. Helmkamp; E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC270646  Calycadenia multiglandulosa David D. Keck 1932-6-30 1585 Placer 0.8 mile N of Weimar P.O. 685 Comment
  UC88980  Calycadenia multiglandulosa unknown 1892-6-29 Placer near Auburn (Cool Station) Comment
  POM298237  Calycadenia multiglandulosa subsp. bicolor D. D. Keck, J. Clausen 1932-7-1 1590 Placer 2 miles north of Auburn 427 Comment
  UC89044  Calycadenia truncata K. Brandegee 1889-7-6 Placer near Alta; Towles Comment
  UCR207122  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15219 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  CAS-BOT-BC221213  Calystegia malacophylla subsp. malacophylla Marcus E. Jones 1882-6-28 3299 Placer Emigrant Gap Comment
  SEINET9321407  Calystegia malacophylla var. malacophylla Unknown 1972-7-26 8846 Placer Carpenter Flat E of Emigrant Gap. Dry slope above Laings road. Comment
  UCD126139  Calystegia occidentalis A. S. Crafts 1926-5-1 791 Placer American River Canyon. 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
  CDA19551  Calystegia vanzuukiae M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 243 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
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Jun 20 2014
  CHSC112054  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22051 Placer Tahoe National Forest,8.2miles NE of Foresthill on Sugar Pine Road 4.4 miles from Forest Hill Road. 1170 Comment
  CHSC112057  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22047 Placer Tahoe National Forest, 3 miles NE of Foresthill, Western States Trail c. 1 mile from Michigan Bluff Road. 1091 Comment
  CAS-BOT-BC493372  Camassia quamash subsp. breviflora Alice Eastwood 1912-6-15 400 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC267279  Campanula Mary P. Wells 1980-9-12 s.n. Placer Pioneer Way, Tahoe City 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
  UCR146859  Campanula prenanthoides Beecher Crampton 1956-7-17 3730 Placer Sierra Nevada Mountains, Blue Canyon 1433 Comment
  SEINET10462849  Campanula prenanthoides Brainerd 1915-7-31 BRAINERD 203 Placer Woods above Nevada City. Comment
  CHSC32008  Cardamine L. Ahart 1973-3-29 187 Placer Near Forest Hill. 457 Comment
  CAS-BOT-BC259177  Cardamine pensylvanica George K. Helmkamp; E. A. Helmkamp 2012-2-23 18576 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
  RSA794005  Cardamine pensylvanica George K. Helmkamp, E. A. Helmkamp 2012-2-23 18576 Placer 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
  CDA33871  Cardaria pubescens Robin Breckenridge 2010-10-29 PDR# 1313512 Placer Interstate 80 at Kingvale Chain Control. 0 Comment
  CDA3740  Cardaria pubescens T. C. Fuller 1964-9-1 12570 Placer Sierra Nevada; Sierra Nevada. N side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  CAS-BOT-BC281742  Carduus pycnocephalus T. C. Fuller 1976-6-3 20140 Placer NW corner of Bell Road and Skyline Drive, Auburn Comment
  RSA0115164  Carex angustata Lyman Benson 1942-7-2 11266 Placer Highway junction 1 mile west of Truckee. Mt. Range: Sierra Nevada. Comment
  CHSC89003  Carex aquatilis var. aquatilis L. P. Janeway 2004-8-18 8247 Placer Northern High Sierra Nevada. Between Blackwood Canyon Road and Blackwood Creek 2.7 km west from Hwy 89 and west shore of Lake Tahoe. Large meadow complex. 1945 Comment
  UCD44715  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2081 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC74284  Carex athrostachya Susi Urie 1998-8-29 98 -173 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD43369  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 737 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC19071  Carex aurea John Thomas Howell 1938-8-2 14002 Placer 5 miles north of Brockway. Comment
  POM81103  Carex deflexa var. boottii Marcus E. Jones 1882-6-30 3307 Placer Emigrant Gap. Comment
  SEINET5786402 Image available Carex deweyana Marcus E. Jones 1882-1 3535 Placer Emigrant Gap Comment
  CAS-BOT-BC20108  Carex feta Saichi Kawahara 1969-7-6 1430 Placer East bank of Indian Creek, Mel Henderson Ranch. Swing near old cabin. 999 Comment
  SEINET5786460 Image available Carex filifolia Marcus E. Jones 1882-1 2908 Placer Emigrant Gap Comment
  UCD75961  Carex filifolia var. erostrata Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5226 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CAS-BOT-BC20679  Carex fracta John Thomas Howell 1943-7-21 18647 Placer Donner Pass to Mt. Lincoln. Comment
  UC830149  Carex fracta Alice Eastwood Jun 15-19 1912 471 Placer Lake Tahoe Region Comment
  CAS-BOT-BC20685  Carex fracta T. C. Fuller 1964-9-1 12571 Placer Sierra Nevada. N of freeway Interstate 80 from Donner Summit, just E of Hampshire Rocks. 1828 Comment
  SEINET3901910  Carex heteroneura Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; M. Bibbo; T. Sasaki; J. Poloske 2008-7-19 5135 Placer Donner State Oark, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  CHSC68057  Carex hoodii James D. Jokerst 1986-7-13 2699 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  UCR120502  Carex illota George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5029 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR250290  Carex infirminervia George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20805 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  NY11165  Carex integra A. A. Heller 1909-7-16 9841 Placer Summit 2133.6 Comment
  CHSC74449  Carex jonesii Susi Urie; Eric Schroder 1998-9-9 98 -313 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCD43323  Carex jonesii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 691 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD42856  Carex lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 223 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC84736  Carex lenticularis var. lipocarpa L. P. Janeway; B. Castro 2003-8-23 7966 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  SEINET3000400 Image available Carex luzulifolia Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  UCD44435  Carex luzulifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1801 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  NY380664  Carex luzulifolia var. strobilantha A. A. Heller 1903-8-17 7187 Placer Above Donner Pass 2286.0 Comment
  SEINET7546989  Carex luzulifolia var. strobilantha A. A. Heller 1903-1 7187 Placer Above Donner Pass Comment
  CAS-BOT-BC31696  Carex mariposana James A. Neilson 1970-8-5 1733 Placer Upper Ward Creek. Comment
  UCD43304  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 672 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC32062  Carex multicaulis Saichi Kawahara 1969-5-24 877 Placer Mineshaft E of old cabin E bank of Indian Creek, Mel Henderson Ranch. 1002 Comment
  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
  CAS-BOT-BC32274  Carex multicostata J. H. Thomas; H. A. Thomas 1956-7-21 6173 Placer Sierra Nevada. Donner Pass ca. 80 mi NE of Sacramento. 2377 Comment
  UCD74099  Carex multicostata Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 196 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2156 Comment
  CHSC74303  Carex nebrascensis Susi Urie; Eric Schroder 1998-9-11 98 -341 Placer Lake Tahoe Basin. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC74450  Carex nebrascensis Susi Urie 1998-8-27 98 -121 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UC1133411  Carex nebrascensis H. S. Yates 1936-8-9 5994 Placer 2 mi sw Martis Pk.; Truckee Quadrangle Comment
  CAS-BOT-BC119847  Carex nebrascensis John Thomas Howell 1938-8-2 14004 Placer 5 mi N of Brockway. Comment
  CAS-BOT-BC119851  Carex nebrascensis Peter Rubtzoff 1976-9-18 8847 Placer Lake Van Norden, S side of lake, lakeshore. 2063 Comment
  JEPS73190  Carex nigricans Gladys L. Smith 1972-8-25 3409 Placer e-facing slope below Watson Memorial (tr. to Granite Chief) 2529 Comment
  SEINET13404918  Carex obnupta R. D. Olson 1949-5-14 18 Placer U.S. Highway 40, Roseville City Limit, stream crossing 61 Comment
  UCD43124  Carex pachycarpa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 492 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
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Nov 18 2008
  SEINET7570890 Image available Carex pellita Unknown 2003-8-23 7968 Placer Homewood 7.5' quad, Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake, 3.1 km south-southwest of Barker Pass. 2106 Comment
  UCD43923  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1289 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44621  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1987 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC74014  Carex praegracilis Susi Urie 1998-8-18 98 -075 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CDA25018  Carex raynoldsii J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Creek bank betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  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
  UCD74101  Carex rossii Jennifer W. Burt; Sarah Shannon 2005-7-8 7 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  UCD77471  Carex serratodens Robert E. Preston 2002-6-14 1818 Placer Auburn, along Dry Creek Rd, ca. 0.8 mi e of its jct with Hwy 49. 440 Comment
  CAS-BOT-BC117525  Carex sheldonii Peter H. Raven 1950-6-26 2419 A Placer Baxter's 1219 Comment
  CAS-BOT-BC117695  Carex simulata James A. Neilson 1971-8-22 2372 Placer Near King's Beach. Comment
  SEINET10749869  Carex straminiformis A. Arthur Heller 1917-8-14 Heller 12927 Placer Mt. Lincoln south of Summit valley, elevation about 8200 feet on a steep gravelly slope, with a few scattered trees of Hesperopeuce Mertensiana near the crest. Comment
  CAS-BOT-BC116555  Carex subfusca R. F. Hoover 1967-9-7 10855 Placer Antone Meadow. Comment
  CAS-BOT-BC116558  Carex subfusca Peter H. Raven; John ORourke 1956-8-4 10000 Placer Moist hillside 1.0 mi from Blue Canyon on road to Emigrant Gap. Comment
  UCD43295  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 663 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC115400  Carex utriculata Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca 3 mi S of French Meadows 1600 Comment
  JEPS63520  Carex utriculata W. L. Jepson 1934-8-7 16881 Placer near Squaw Creek; Truckee River Comment
  CAS-BOT-BC115397  Carex utriculata J. Burtt Davy 1897-6-25 3270 Placer Meadows near Truckee River, Truckee River Basin. Comment
  CAS-BOT-BC115401  Carex utriculata Catherine Best 1938-8-2 14001 Placer 5 mi N of Brockway 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
  CHSC74894  Carex vesicaria Susi Urie 1998-8-27 98 -124 Placer Lake Tahoe Basin Management Unit. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  JEPS72455  Cassiope mertensiana subsp. californica Gladys L. Smith 1972-8-25 3438 Placer Below cirque, N face Granite Chief. 2575 Comment
  SACT002854  Castanopsis sempervirens Michael Baad 1977-6-1 Placer Collected at trail head. 0.5 km north of Forest Hill Divide Road. 2 km north of Skunk Spring Comment
  SACT002857  Castanopsis sempervirens Michael Baad 1977-6-2 Placer Collected on trailhead descending to North Fork of American River from south. 2 km northeast of westville and north of Forest Hill Divide Road. 853.0 Comment
  UC962100  Castilleja affinis subsp. affinis Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4011 Placer s of Auburn (near bridge on Rt 49); North Fork American River 213 Comment
  UCR194698  Castilleja affinis subsp. affinis George K. Helmkamp, E. A. Helmkamp 2007-5-30 12201 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-BC249706  Castilleja applegatei subsp. pinetorum Marcus E. Jones 1930-7-10 25530 Placer Lake Tahoe Comment
  JEPS73654  Castilleja applegatei subsp. pinetorum L. R. Heckard with G. L. Stebbins 1973-6-17 3442 Placer about 7 air mi se Emigrant Gap (on summit of Big Valley Bluff); Big Valley Bluff 1920 Comment
  RSA463234  Castilleja applegatei subsp. pinetorum J. H. Nishida 1985-7-10 771 Placer Homewood. 1829 Comment
  RSA569050  Castilleja applegatei subsp. pinetorum Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC1713294  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner 2133 Comment
  UCR233277  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17685 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road at Foresthill 883 Comment
  UCD122501  Castilleja foliolosa G. K. Helmkamp; Elizabeth Helmkamp 2007-3-25 11715 Placer Northern Sierra Nevada Mountains: Forest Hill Road at the junction with the unnamed road to Lake Clementine. 457 Comment
  UC886498  Castilleja lacera C. L. Hitchcock 1940-5-14 6387 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  UC128268  Castilleja lacera Miss Harriet A. Walker 1908-7-28 1476 Placer near big bend in Yuba River (Cisco); Cisco Comment
  UCD162565  Castilleja lemmonii Steve Matson 2004-8-1 1085 Placer nSNH; Tahoe Basin; Blackwood Canyon (west shore), about 1 mile ESE of Barker Pass. 2377 Comment
  SEINET14142515  Castilleja miniata M. J. Williams 1985-7-6 85- 61 -7 Placer Sierra Nevada, N of Lake Mary, near old Donner Summit [road]. 2286 Comment
  UC192705  Castilleja miniata C. F. Sonne Jul 1886 Placer Truckee , Truckee River (along Truckee River) Comment
  UC885341  Castilleja miniata A. A. Heller 1916-8-13 12905 Placer Summit hotel 2133 Comment
  SEINET14063093  Castilleja miniata A. A. Heller 1912-7-20 10590 Placer Summit. 2073 Comment
  CHSC74437  Castilleja miniata subsp. miniata Susi Urie; Eric Schroder 1998-9-9 98 -308 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1990 Comment
  UCR233395  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18178 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  UCR110978  Castilleja parviflora George K. Helmkamp, E. A. Helmkamp 1999-6-30 5096 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UCD123027  Castilleja peirsonii D. Finley 1998-5-24 2- 6 Placer Highway 70 north, on the east side of the road, 1 road mile after the Grizzly Dome tunnel, 7 road miles north of Pulga, along the North Fork of the Feather River. 731 Comment
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Feb 3 2015
  UCD21856  Castilleja pilosa Beth Lowe Corbin 1982-8-11 313 Placer 1 1/2 mile WSW of Onion Creek campground. 1935 Comment
  JEPS73662  Castilleja pruinosa L. R. Heckard with G. L. Stebbins 1973-6-18 3451 Placer about 0.5 mi e Star Town (on s side of North Fork of Middle Fork of American River, about 13 air mi ne of Foresthill) 1432 Comment
  JEPS8663  Castilleja pruinosa Rimo Bacigalupi with G. Ledyard, Stebbins, Alex D. Hawkes, Juan Hunsiker, Daniel Zohary et al. 1952-7-20 3889 Placer ridge between Volcano Creek (Middle Fork American River and) Shirttail Creek (North Fork American River) (along Baker Divide, near junction of road from Iowa Hill Shirttail Creek with. . .); Baker Divide 1188 Comment
  JEPS103927  Castilleja subinclusa subsp. subinclusa T. I. and F. M. Chuang 1991-6-29 7839 Placer 3.6 mi SW of Iowa Hill, on road to Iowa Hill. Comment
  CDA15979  Castilleja tenuis G. F. Hrusa, J. Glazner 1999-7-17 15161 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC82695  Castilleja tenuis Lowell Ahart 2002-7-22 9899 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
  UCR208277  Caucalis microcarpa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14634 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCD143727  Ceanothus arcuatus F. Felix, E. Krimmel 2013-5-26 47 -A Placer North Fork/Chickering American River Reserve. Where Cedar Meadows trail meets Cedar Creek Falls. Comment
  CAS-BOT-BC47854  Ceanothus cordulatus Brandegee 1889-7-1 7 Placer Donner Comment
  CAS-BOT-BC47892  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  CAS-BOT-BC47900  Ceanothus cordulatus H. E. McMinn 1926-5-29 1752 -B Placer At Crystal Lake - slope above - road to Truckee 3 mi west of Cisco Hotel Comment
  POM303018  Ceanothus cordulatus L. S. Rose 1944-7-11 44065 Placer Chambers lodge, Lake Tahoe. 1921 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
  SBBG128618  Ceanothus cordulatus G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19222 Placer Devil's Thumb Rd (Deadwood Rd), 1.2 mi S of its jct with Foresthill Rd 1648 Comment
  SD7261  Ceanothus cordulatus T. S. Brandegee 1889-7-1 Placer Donner Lake Comment
  SEINET191643  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Lake Tahoe Chambers Lodge (McKinney) Lake 1900 Comment
  UC18249  Ceanothus cordulatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3248 Placer near Tahoe (along Truckee River); Truckee River Basin Comment
  UCD111379  Ceanothus cordulatus Beecher Crampton 1955-7-13 2991 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD22206  Ceanothus cordulatus Rex Palmer 1979-6-21 N 398 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT002906  Ceanothus cuneatus Michael Baad 1983-7-15 Placer 5.9 miles northeast on nevada Point Road from junction with road from Ramsey Crossing to Devils Peak. Comment
  SEINET5339275  Ceanothus cuneatus J. Ridley 1959-3-29 1 Placer 3 mi south of Auburn on Hwy 49 442 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
  RSA754660  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-4-3 DOB 1077 b Placer North Fork American River Watershet, Forest Hill Divide, near turn-off for Mammoth Bar OHV area, Auburn State Recreation Area, roadside on Old Foresthill Road, 1.8 road miles (2.9 km) NE of intersection with SR 49., 6.1 km 63 degrees true ENE of Auburn. 350 Comment
  UCD123970  Ceanothus cuneatus var. cuneatus D. O. Burge 2009-4-3 1077 c Placer North Fork American River Watershed, Forest Hill Divide, near turn-off for Mammoth Bar OHV Area, Auburn State Recreation Area, roadside on Old Foresthill Road, 1.8 road miles (2.9 km) north-east of intersection with SR 49, 6.1 km 63 deg. (True) ENE of Auburn. 350 Comment
  CAS-BOT-BC126853  Ceanothus fresnensis G. L. Stebbins 1976-7-6 C 7694 Placer Summit of Bunk Hill 2286 Comment
  UC1736119  Ceanothus fresnensis Dean W. Taylor 1971-7-22 1111 Placer trail from Soda Springs to the Snow Mountain area, ca. 3 miles N of Snow Mtn, 2133 Comment
  RSA399912  Ceanothus integerrimus W. Hutchinson 1927-6-1 3542 Placer Lake Tahoe. Comment
  SEINET177897  Ceanothus integerrimus Marcus E. Jones 1882-5-28 2656 Placer Emigrant Gap Comment
  UC1070709  Ceanothus integerrimus N. French 1934-5-24 69 Placer N. Fork of N. Fork American River Colfax quad., Tahoe National Forest 1341 Comment
  UCD22211  Ceanothus integerrimus Rex Palmer 1979-6-21 N 394 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22212  Ceanothus integerrimus Rex Palmer 1979-6-21 N 392 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR243140  Ceanothus integerrimus Dan Cederquist 1984-5-22 s.n. Placer Rollins Lake 716 Comment
  SACT002928  Ceanothus integerrimus Stanley Clark 1937-5-1 Placer Native shrub, to 6' tall, flowers white. Comment
  SEINET13945947 Image available Ceanothus integerrimus Susie M. Peers 1946-1 s.n. Placer Shirttail Canyon, near Forest Hill. Comment
  SEINET5339316  Ceanothus integerrimus F. Emmerich 1920-1 s.n. Placer Northfork of the Middlefork of the American River. 366 Comment
  SEINET5339326  Ceanothus integerrimus C. Lane, H. N. Mozingo 1979-3-31 s.n. Placer Roadside near where N. Fork of Middle Fork of American River meet. 518 Comment
  UCR47951  Ceanothus integerrimus var. californicus Susan Dakuzaku 1975-5-24 57 Placer Near intersection of Auburb-Foresthill Road and Spring Garden Road 915 Comment
  CAS-BOT-BC63352  Ceanothus prostratus Mary Elizabeth Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63394  Ceanothus prostratus Brandegee 1889-1-1 76 Placer Blue Canyon. Comment
  POM285193  Ceanothus prostratus Lyman Benson 1932-7-31 4025 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  UCR47952  Ceanothus prostratus Robert E. Sholars 1975-5-4 25 Placer Along Auburn-Foresthill Road, 3 miles west of Foresthill Comment
  RSA6523  Ceanothus velutinus Jens Clausen 1932-9-15 48 Placer 2 miles W of Tahoe Tavern on the Truckee road. 1860 Comment
  UCD112836  Ceanothus velutinus T. I. Storer 1925-7-23 543 Placer Lake Tahoe. Comment
  UCD150853  Ceanothus velutinus James A. Neilson Jr. 1970-8-5 1746 Placer Tahoe Basin. Yard in Tahoe City. 1901 Comment
  CAS-BOT-BC52401  Ceanothus velutinus var. velutinus Sachs 1922-7-1 s.n. Placer Lake Tahoe Comment
  CAS-BOT-BC281943  Centaurea benedicta Brandegee No date on label s.n. Placer Roseville Comment
  CDA15292  Centaurea diffusa R. O'Connell, R. Kerr 1998-10-21 1142328 Placer Sierra Nevada; on I-80 0.25 mi. E of Cisco Grove exit. 0 Comment
  HSC104176  Centaurea solstitialis G. K. Helmkamp, E. A. Helmkamp 2012-10-13 20020 Placer Sacramento Valley: Granite Bay, Folsom Lake; Park Rd, 1.8 mi. N or the east end of Douglas Blvd. 146 Comment
  UCR232642  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2011-9-30 18345 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  UCD63136  Centaurea stoebe subsp. micranthos A. M. Shapiro 2007-8-17 s.n. Placer Nyack. 1609 Comment
  UCD130182  Centromadia fitchii J. Kirkpatrick 1952-7-23 s.n. Placer Loomis. Comment
  JEPS126362  Cerastium fontanum subsp. vulgare Steve Matson 2002-7-5 551 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; West Fork Snow Creek about 300 yards NW of pond, near creek and spring. Comment
  CDA16993  Cerastium glomeratum G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16046 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CDA37197  Cerastium glomeratum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CHSC96464  Cerastium glomeratum Lowell Ahart; Brian Williams 2007-4-13 13642 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CAS-BOT-BC207587  Cercis occidentalis Marcus E. Jones 1882-7-4 3572 Placer Colfax Comment
  SBBG29887  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer Meier Ranch, ca. 6 mi N of Colfax 762 Comment
  OBI20160  Chaenactis douglasii David J. Keil 1978-7-23 12926 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCD130250  Chaenactis douglasii Tamara Kan 1992-7-30 s.n. Placer Silver Peak. 2377 Comment
  UCR242361  Chaenactis douglasii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16664 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 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
  CAS-BOT-BC141726  Chamaebatia foliolosa Marcus E. Jones 1882-6-28 3297 Placer Emigrant Gap Comment
  JEPS81212  Chamaebatia foliolosa Douglas W. James Jr. 1973-5-27 116 Placer 7.5 mi from Forest Hill (off Auburn-Forest Hill Road, 11.2 mi from Highway 49) 655 Comment
  RSA451328  Chamaebatia foliolosa Wm. Martin 1971-9-10 20248 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  RSA647586  Chamaebatia foliolosa N. R. Zabriskie, W. M. Zabriskie 1973-6-7 669 Placer Emigrant Gap. 1616 Comment
  UC12154  Chamaebatia foliolosa Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UC527364  Chamaebatia foliolosa C. B. Wolf 1931-9-11 Placer 1 mi w of Gold Run (Sierra Nevada); Sierra Nevada 914 Comment
  UCD112928  Chamaebatia foliolosa Beecher Crampton 1970-11-10 8653 Placer Nyack. 1524 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
  SD243214  Chamaesaracha nana George K. Helmkamp, E. A. Helmkamp 2011-8-26 18185 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. Rocky flat at roadside. 2050 Comment
  UC128212  Chamaesyce serpyllifolia Miss Harriet A. Walker 1908-7-25 1390 Placer Cisco 1810 Comment
  OBI20165  Chamerion angustifolium David J. Keil 1978-7-23 12937 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  SEINET215004  Chamerion angustifolium subsp. circumvagum Richard J. Patterson 1969-7-1 182 -16 Placer South of Interstate 80 along creek parallel to Casa Loma Road Alta. 975 Comment
  UCD75787  Chimaphila menziesii Albert A. Grigarick 2008-7-30 34 A Placer in vicinity of Sugar Bowl ski area, Juda Peak Trail. 2582 Comment
  UC1120955  Chimaphila umbellata G. T. Nordstrom 1934-6-18 108 Placer n. slope Texas Hill (Plot 201); Tahoe Nat'l Forest, Colfax Quad. 1584 Comment
  UCD15605  Chimaphila umbellata Lisa Montany 1985-5-18 22 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  UCD57931  Chloris verticillata Beecher Crampton 1967-8-21 8178 Placer Interstate Hwy. 80 W, Douglas Blvd. exit, 1.5 miles SSE Roseville. Comment
  UCD57932  Chloris verticillata Beecher Crampton 1967-8-21 8177 Placer Interstate Hwy. 80 E, Cirby Way exit, 1.5 miles southeast Roseville. Comment
  CDA42828  Chondrilla juncea G. F. Hrusa, M. Pitcairn 2015-7-16 18651 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  RSA643338  Chondrilla juncea R. D. Goeden, D. W. Ricker 1967-6-9 s.n. Placer Newcastle, on I-80 SW of Auburn 250 Comment
  CDA7391  Chondrilla juncea T. C. Fuller 1965-10-15 14210 Placer Bluff above Horseshoe Bar, Folsom Lake, east end of Horseshoe Bar Road. Loomis District. 0 Comment
  UC1135238  Chrysolepis sempervirens N. French 1933-7-14 87 Placer Greek Store; Tahoe National Forest, Colfax Quad. 1676 Comment
  UCR231821  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  SEINET8947268  Chrysolepis sempervirens O. Boring s.n. Placer Lake Tahoe 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
  SEINET11860558  Chrysothamnus nauseosus subsp. albicaulis L. S. Rose 1938-9-14 38258 Placer South Fork of Yuba River, Cisco 1615 Comment
  UCD21669  Cicuta douglasii Beth Lowe Corbin 1982-8-12 330 Placer Onion Creek campground. Perennial herb 2.5 feet high. Flowers whitish. In wet soil along streambank. Full sun. SW facing slope, 5% incline. Occasional. 1841 Comment
  CAS-BOT-BC190017  Cinna latifolia Bolander 1869-6-1 s.n. Placer Bear Valley Emigrant Station. Comment
  SCFS11529157  Circaea alpina E. Krimmel 2014-7-5 Placer Cobbles in bed of Onion Creek near confluence with NFA Comment
  UC128206  Circaea alpina subsp. pacifica Miss Harriet A. Walker 1908-7-27 1454 Placer near Iron Spring Cisco Comment
  JEPS59281  Cirsium andersonii W. L. Jepson 1918-8-20 8076 Placer Lake Tahoe, Tahoe 1905 Comment
  UCD130541  Cirsium arvense T. C. Fuller 1964-5-18 11980 Placer west side of Dutch Flat Hwy, 0.8 mile south of Dutch Flat P.O. Comment
  UCR146923  Cirsium arvense Beecher Crampton 1961-9-27 6019 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  UCR193401  Cirsium occidentale var. californicum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12200 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  JEPS126379  Cirsium scariosum var. americanum Steve Matson 1998-6-21 263 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 120 yards north of Highway 267. Comment
  CAS-BOT-BC439026  Cistanthe monosperma A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  UCR208555  Clarkia affinis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14670 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
  CAS-BOT-BC163553  Clarkia arcuata C. L. Hitchcock 1940-5-15 6410 Placer 6 miles north of Colfax Comment
  POM260292  Clarkia arcuata C. L. Hitchcock 1940-5-15 6410 Placer 6 miles N of Colfax Comment
  CHSC98935  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-7 1247 Placer North of Colfax, east side Hwy I-80, south of the Long Ravine railroad trestle. Between I-80 and the frontage road to the east. 658 Comment
  CAS-BOT-BC162496  Clarkia purpurea subsp. purpurea Alice Eastwood 1921-5-22 10593 a Placer Sacramento Valley, between Lincoln & Sheridan Comment
  CAS-BOT-BC163363  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 Placer Sacramento Valley, 1 mi. No. of Lincoln 45 Comment
  UCR194947  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2007-5-18 12037 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  UCD104965  Clarkia purpurea subsp. viminea L. D. Gottlieb 1988-6-29 8838 Placer Iowa Hill Road, E of Colfax, 1.6 miles E of Canyon Road. Comment
  UCD150583  Clarkia rhomboidea James A. Neilson Jr. 1971-7-2 2175 Placer Tahoe Basin, Brockway Springs. 1920 Comment
  UCR193338  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2007-5-30 12176 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UC423052  Clarkia unguiculata David D. Keck 1928-6-12 420 Placer Auburn 304 Comment
  CAS-BOT-BC165427  Clarkia unguiculata G. P. Rixford 1914-6-22 s.n. Placer Loomis Comment
  UC1585857  Claytonia exigua subsp. exigua Barbara Ertter with David Thompson 1989-4-8 8171 Placer Iowa Creek Road near Auburn State Recreation Area entrance (at creek crossing, about 2 mi from I-80) 518 Comment
  UCR250646  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Mary Alice Barnes 2013-4-18 20378 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  CDA19545  Claytonia parviflora subsp. parviflora M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 228 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
  CDA32818  Claytonia perfoliata William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 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
  SEINET5727675 Image available Claytonia perfoliata Nancy Carlsen 1971-1 21 Placer Rollins Lake Road at Rollins Lake, 3 miles north of Interstate Highway 80, on west side of road, north of the lake.; Rollins Lake 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
  CAS-BOT-BC443738  Claytonia rubra subsp. rubra W. R. Dudley 1900-6-29 s.n. Placer Near Tahoe City Comment
  POM247248  Clematis lasiantha Annetta Carter 1937-4-25 1248 Placer Between Folsom and Auburn, 6.5 miles SE of Loomis. 152 Comment
  SEINET12087594  Clematis lasiantha Unknown 1937-1 1249 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis, 152 Comment
  SEINET12087595  Clematis lasiantha Unknown 1937-1 1248 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis 152 Comment
  CAS-BOT-BC92556  Clematis ligusticifolia H. E. McMinn 18 Placer Tahoe. Comment
  UC138744  Collinsia heterophylla Anna King 1902-5-11 Placer Newcastle Comment
  JEPS26110  Collinsia parviflora Peter H. Raven 1958-6-14 13212 Placer w side Donner Pass 2164 Comment
  UC26648  Collinsia sparsiflora var. collina H. N. Bolander 1865-4-10 4507 Placer Auburn Comment
  SEINET5796622 Image available Collinsia tinctoria Marcus E. Jones 1882-1 Placer Colfax; 39.10073 -120.953276 Comment
  UCR233275  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2011-7-9 17687 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  UCR250144  Collinsia tinctoria George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20823 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  SEINET5796623 Image available Collinsia torreyi L. S. Rose 1941-1 41320 Placer Chambers Lodge (McKinney), Lake Tahoe; 39.073241 -120.1413 1900 Comment
  UC1032608  Collinsia torreyi var. torreyi N. French 1934-5-31 381 Placer 1 1/2 mi w of Mammoth Springs (Tahoe National Forest); Tahoe National Forest 1645 Comment
  UCD21868  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 257 Placer Headwaters basin area of the North Fork of the American River Comment
  SBBG8974  Collomia grandiflora E. R. Blakley 1960-9-2 804 Placer mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  UCD21979  Collomia grandiflora Beth Lowe Corbin 1982-8-4 246 Placer 1 mile NE of Onion Creek campground. 1950 Comment
  UCR229543  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2011-7-26 17865 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
  RSA0039072  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SEINET2445705  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-18 12035 Placer Northern Sierra Nevada Mountains Foothills. Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles SE of Foresthill. (michigan Bluff 7.5' Q). 439 Comment
  UCR233391  Collomia tinctoria George K. Helmkamp, E. A. Helmkamp 2011-8-26 18169 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  SBBG58846  Corallorhiza maculata M. N. Ackley -Jun-1925 683 Placer Towle 1127 Comment
  CHSC41145  Cordylanthus pilosus subsp. hansenii J. D. Jokerst 1983-10-13 1922 Placer Canyon of the Middle Fork American River ca 600 feet above the river. Along road to Plumas Co Power Agency access road. Comment
  OBI9584  Cordylanthus tenuis subsp. tenuis Robert F. Hoover 1967-9-5 10828 Placer Carnelian Bay, Lake Tahoe Comment
  UCD123161  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12629 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCD162553  Cordylanthus tenuis subsp. tenuis Steve Matson 1997-8-17 177 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; along road North Ave. dirt extension. 1920 Comment
  POM146205  Cornus californica J. B. Feudge 1725 Placer W. of Immigrant Gap. 1524 Comment
  UCD38474  Cornus sericea Beecher Crampton 1955-6-15 2866 Placer Head of Bunch Canyon, road to Forest Hill. 0.5 miles south US Hwy 40. Comment
  UCR191087  Cornus sericea subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2007-6-12 12320 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UC484021  Cornus sericea subsp. sericea Carl B. Wolf 1930-10-10 Placer 1 mi. e. Cisco; Sierra Nevada 1828 Comment
  UCD22323  Cornus sericea subsp. sericea Rex Palmer 1979-6-20 N 315 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR170809  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2005-9-30 9934 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  RSA654888  Cornus sessilis G. Fred Hrusa 1995-5-20 12169 Placer Mosquito Ridge Road. 1600 Comment
  UC634828  Cornus sessilis Mrs. Price 1932-4-3 Placer Dutch Flat Sierra Nevada, Dutch Flat Comment
  CAS-BOT-BC169493  Corylus Saichi Kawahara 1969-7-6 896 Placer ditch line N of house, Mel Henderson Ranch 1011 Comment
  UCD160953  Crepis G. Ledyard Stebbins 1978-5-29 78104 Placer El Dorado National Forest. Little Crater above Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC290350  Crepis acuminata Margaret Williams 1974-8-8 74 -Pl-35 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CAS-BOT-BC290351  Crepis acuminata Geo. B. Grant 1906-7-15 7020 Placer Tahoe Tavern, Lake Tahoe Comment
  JEPS86491  Crepis modocensis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6572 Placer ca 5 mi e Donner Lake (e of Tinker Knob); Sherman Chickering's Soda Springs holdings 2621 Comment
  JEPS111217  Crepis occidentalis Steve Matson 2005-6-15 1282 Placer Martis Valley, ca 3 miles southeast of Truckee, north of 267, 500 meters west of Martis Creek; 39.3038 N, 120.1254 W; Elevation 5840 ft. 1780 Comment
  JEPS111225  Crepis occidentalis Steve Matson 2005-7-3 1351 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), north of Highway 267 and west of Martis Creek. 39.3054 N, 120.1182 W; elevation 5835 ft. 1778 Comment
  JEPS71825  Crepis occidentalis Gladys L. Smith 1972-6-20 3222 Placer steep exposed ridge from chairlift terminus to ultimate summit peak; Ward Peak 2632 Comment
  CAS-BOT-BC383031  Crepis occidentalis subsp. conjuncta Marcus E. Jones 1882-6-30 2784 Placer Emigrant Gap Comment
  UCD22117  Cryptantha Rex Palmer 1979-6-6 N 125 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22119  Cryptantha Rex Palmer 1979-5-27 N 50 Placer Headwaters basin area of the North Fork of the American River 1889 Comment
  JEPS111209  Cryptantha affinis Steve Matson 2005-7-4 1365 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  UCD22124  Cryptantha simulans Rex Palmer 1979-6-21 N 381 Placer Headwaters basin area of the North Fork of the American River Comment
  POM126494  Cryptantha torreyana Helen D. Geis 176 Placer Deer Park. Comment
  UC1874970  Cryptogramma acrostichoides Ruth Kirkpatrick 2001-7-16 1061 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  UCD32974  Cynodon dactylon Beecher Crampton 1965-9-13 7493 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  CDA12009  Cynoglossum grande G. F. Hrusa 1995-5-2 12190 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  UC193936  Cynoglossum grande C. F. Sonne May 1891 Placer woods below Auburn Comment
  SEINET12568146  Cynoglossum grande F. Brunetti 1962-3-17 s.n. Placer Above North Fork of American River, 2 miles E of Auburn. 274 Comment
  UCD18376  Cyperus bipartitus DeWayne Gilbert 1976-1 s.n. Placer Exact location unknown. Comment
  CAS-BOT-BC114550  Cyperus eragrostis Brighton C. Cain 1925-8-15 4 Placer 2 miles south of Auburn at Wise Power House. Comment
  CAS-BOT-BC114263  Cyperus esculentus Peter H. Raven 1954-8-27 7960 Placer Week in an orchard, Penryn. Comment
  SACT000872  Dactylis glomerata D. Meyer 1983-8-20 Placer Moist roadside meadow some revegetation following residential construction. 2000.0 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
  JEPS22983  Damasonium californicum E. R. Arp 1935-5-13 Placer Roseville Comment
  UCD137987  Damasonium californicum Lynn Gould 1962-4-17 49 Placer 6 miles west of Roseville, on P.F.E. Road. Comment
  UCD32808  Danthonia californica var. americana Beecher Crampton 1964-7-21 7118 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. Comment
  UCD60504  Danthonia californica var. americana Beecher Crampton 1964-7-21 7117 Placer 1/2 mile WNW of Cisco Grove, US Hwy. 40. 1706 Comment
  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
  SACT000897  Danthonia unispicata Michael Baad 1976-6-16 Placer Descending down to the North Fork of the American Rver, southwest corner of SEC29. Granite boulders. Comment
  UCD22244  Danthonia unispicata Beth Lowe Corbin 1982-8-4 222 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 15% inclination. Uncommon, about 25 individuals. Full sun. Opening in montane chaparral, in rocky, fine, sandy soil. Perennial, forming small bunches. 1950 Comment
  UCR120243  Delphinium depauperatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5024 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC8825  Delphinium gracilentum Miss Francis Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UCR208275  Delphinium gracilentum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14642 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  JEPS23399  Delphinium gracilentum Leland S. Smith 1925-6-3 1619 Placer Yankee Jims, on Forest Hill divide, about 2 miles due west of Forest Hill; Tahoe National Forest 1584 Comment
  CAS-BOT-BC8824  Delphinium gracilentum f. versicolor L. S. Smith 1927-8-5 2154 Placer Robertson Flat on Forest Hill 2346 Comment
  CAS-BOT-BC8750  Delphinium hansenii Joseph Whipple Congdon s.n. Placer Roseville 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
  UCD22186  Delphinium nuttallianum Rex Palmer 1979-6-9 N 177 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC116439  Delphinium patens subsp. patens Lillian S. Mott 1965-5-23 6578 Placer Near Foresthill Comment
  POM149389  Dendromecon rigida Katherine Brandegee 1908-06 s.n. Placer Magra Station between Cape Horn and Alta. Comment
  UC118531  Dendromecon rigida Katharine Brandegee 1889-7-6 Placer Alta R. R. Embankment Comment
  UCD44710  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2076 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC192428  Deschampsia cespitosa subsp. cespitosa John Thomas Howell 1974-7-12 50607 Placer Emigrant Gap 1615 Comment
  UCD21604  Deschampsia cespitosa subsp. cespitosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1269 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  CAS-BOT-BC198147  Deschampsia danthonioides John Thomas Howell; Gordon H. True 1971-5-26 47622 Placer Valley Grassland, northern limits of Lincoln 48 Comment
  SACT000915  Deschampsia danthonioides Michael Baad 1976-6-10 Placer North-facing slope. 1/2 mile along Comment
  UCD96974  Deschampsia danthonioides Chuck Hughes 2010-7-13 237 Placer Within 50 ft of north side of Alpine Meadows Road. 1899 Comment
  CAS-BOT-BC201878  Deschampsia elongata R. F. Hoover 1967-9-7 10851 Placer Antone Meadow Comment
  CHSC73367  Deschampsia elongata L. P. Janeway; Eric Schroder 1998-9-16 6339 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
  OBI22306  Deschampsia elongata Robert F. Hoover 1967-9-7 10851 Placer Antone Meadow Comment
  SACT000955  Deschampsia elongata D. Meyer 1983-10-22 Placer From the base of Searchlight chairlift to the base of Olympic Lady chairlift downhill ski lift area. 2121.0 Comment
  CDA15669  Descurainia californica G. F. Hrusa, J. Glazner 1999-7-18 15216 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS126368  Descurainia californica Steve Matson 2000-7-6 471 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north Highway 267, near East Martis Creek. Comment
  CDA12419  Descurainia incana G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8547 ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CDA11984  Dicentra formosa G. F. Hrusa 1995-5-2 12165 Placer Sierra Nevada; Mosquito Ridge Rd., approx. 5 km. beyond crossing of North Fork of Middle Fork of the American River. Comment
  SD113852  Dicentra formosa Darley F. Howe 1948-5-22 1828 Placer 1219 Comment
  SD239841  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18955 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road. 1041 Comment
  UCR207861  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14568 Placer Sierra Nevada Mountains Foothills, town of Foresthill, along Forest Hill Road 988 Comment
  CAS-BOT-BC402447  Dicentra formosa subsp. formosa Mrs. Chas. E. Miller 1916-8-30 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC402450  Dicentra formosa subsp. formosa Marcus E. Jones 1882-6-28 3302 Placer Emigrant Gap Comment
  CAS-BOT-BC402451  Dicentra formosa subsp. formosa Marcus E. Jones 1882-6-28 3302 Placer Emigrant Gap Comment
  POM97784  Dicentra uniflora Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  SEINET239024 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1972-7-26 8863 Placer Gold Run rest stop along Interstate 80. 914 Comment
  UCD139236  Dichelostemma capitatum Craig P. Martz 1982-3-7 13 Placer on Sierra College Blvd., 2.3 miles north of Douglas Blvd. intersection. 140 Comment
  RSA0035848  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20348 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SEINET8472326  Dichelostemma capitatum subsp. capitatum H. R. Holbo 1961-3-18 s.n. Placer Hwy 49 at North Fork of American River. 457 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
  CAS-BOT-BC502640  Dichelostemma multiflorum Leland S. Smith 1926-5-1 s.n. Placer Road to Tahoe City Comment
  CAS-BOT-BC502641  Dichelostemma multiflorum R. Bacigalupi 1926-5-29 1507 Placer Along Luisslus Heller Highway, 3 1/2 miles east of Colfax Comment
  CAS-BOT-BC502803  Dichelostemma volubile Eliz. Parsons Hawver 1915-5-1 s.n. Placer Auburn Comment
  CAS-BOT-BC290948  Dieteria canescens var. shastensis Alice Eastwood 1909-1-1 248 Placer Lake Tahoe Region. Deer Park Comment
  SACT000966  Digitaria sanguinalis D. Meyer 1984-10-24 Placer Roadside next to cultivated rice field. 27.3 Comment
  SD241951  Diplacus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15891 Placer Sierra Nevada Mountains Foothills; Rattlesnake Bar Road, 7.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 331 Comment
  CAS-BOT-BC150475  Diplacus grandiflorus Saichi Kawahara 1969-5-24 822 Placer Slope overlooking the American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CAS-BOT-BC150478  Diplacus grandiflorus Marcus E. Jones 1882-6-28 3288 Placer Emigrant Gap Comment
  CHSC99882  Diplacus grandiflorus Beecher Crampton 1955-6-15 2893 Placer 8.5 miles west of Iowa Hill. bottom of Shirttail Canyon. Comment
  SJSU4077  Diplacus grandiflorus C. W. Sharsmith 1965-6-12 7398 Placer on divide between N Fork & Middle Fork American R c. 8 mi E of Michigan Bluff 1219 Comment
  SEINET13700513  Diplacus kelloggii C. Aarstad, H. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junction with North Fork of Middle Fork of American River, Mosquito Ridge Road to French Meadows. 518 Comment
  SBBG37922  Diplacus layneae C. L. Hitchcock 1940-5-15 6406 Placer 6 mi N of Colfax Comment
  CAS-BOT-BC257791  Diplacus torreyi George K. Helmkamp; E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  CHSC82574  Diplacus torreyi Lowell Ahart 2002-7-22 9904 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
  SBBG25479  Diplacus torreyi C. B. Hardham 1961-6-14 7356 Placer Baxter, US Hwy 40 1066 Comment
  CAS-BOT-BC151315  Diplacus tricolor Ella Dales Cantelow 1940-5-13 4424 Placer S.E. of Wheatland Comment
  SACT000990  Distichlis spicata var. nana Josephine Van Ess 1976-8-18 Placer Collected in vicinity of salt spring on Ferarria ranch. Salt Marsh. Comment
  SEINET8552906  Dodecatheon alpinum A. Urrutia 1960-3-19 s.n. Placer North Fork American River, Hwy 49, 3 miles S of Auburn. 457 Comment
  SEINET8561476  Dodecatheon clevelandii subsp. patulum A. E. Beninghoff 1930-3-18 2587 Placer 7 miles E of Lincoln. Comment
  UC1561214  Dodecatheon hendersonii Barbara Ertter with David Thompson 1989-4-9 8179 Placer ca 5 air mi nw Foresthill (Shirttail Canyon Road 2.4 mi from Dipper Road); nw of Forestville, Shirttail Canyon Road 609 Comment
  UC1562607  Dodecatheon hendersonii Barbara Ertter with David Thompson 1989-4-9 8184 Placer ca 4 air mi w Foresthill (Spring Garden Road 0.8 mi ne of Forestville-Auburn Road); w of Foresthill 670 Comment
  UCD15166  Dodecatheon hendersonii Phyllis Adams 1982-4-20 10 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 396 Comment
  SEINET8561983  Dodecatheon hendersonii W. D. Billings 1939-3-19 1200 Placer 10 miles NW of Auburn. Comment
  UC660004  Downingia bicornuta var. picta Lincoln Constance 1941-5-28 2823 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  JEPS126344  Downingia montana Steve Matson 1997-7-5 35 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Wildlife Area; 50 yards north of Highway 267 and 200 yards west of Martis Creek. Comment
  UCR240924  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2012-6-19 19251 Placer Northern Sierra Nevada Mountains, Foresthill Road, 5.2 miles east of Devil's Thumb Road 1773 Comment
  UCD33723  Drymocallis glandulosa var. reflexa Beecher Crampton 1972-6-20 8827 Placer Placer County, upslope from Bear Valley, State Hwy. 20. 1402 Comment
  CAS-BOT-BC527342  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer Near Dutch Flat 914 Comment
  UC66117  Drymocallis hansenii P. B. Kennedy 1901-8-18 417 Placer 7 mi from French Meadows; 7 mi from French Meadows Comment
  UCD101889  Dudleya cymosa Gurdev S. Khush 1959-5-10 16 Placer 1.5 miles northeast of Clipper Gap, U.S. Highway 40. 426 Comment
  SD125411  Dudleya cymosa Russel Hopper 1975-5-24 54 Placer 1.0 mile east of junction of State Highways 49 and 195 on Highway 49. 669 Comment
  UC830916  Dudleya cymosa Marcus E. Jones 1882-6-28 3346 Placer Emigrant Pass Comment
  CAS-BOT-BC113798  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  CHSC81779  Dysphania pumilio Lowell Ahart 2001-10-10 9343 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  UCD98834  Dysphania pumilio A. M. Shapiro 1987-10-16 s.n. Placer Southern Pacific Right-of-way. 2103 Comment
  SEINET245838 Image available Echinochloa crus-galli Beecher Crampton 1965-9-13 7497 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCD60811  Echinochloa crus-galli Beecher Crampton 1975-9-9 9282 Placer Along Interstate Hwy. 80 W, Alta. 1188 Comment
  SACT001029  Echinochloa crus-galli D. Meyer 1984-8-19 Placer Just south of subway. 176.0 Comment
  SACT001037  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-7-28 Placer Collected about .25 mile west of Country Acres Lane. 21.3 Comment
  JEPS102553  Eleocharis engelmannii Lowell Ahart 2001-10-10 9352 Placer French Meadows Reservoir, ca 1/4 mile NE of the boat or trail access area on the NW side of the reservoir, ca 3/4 mile SW of the bridge across the Middle Fork of the American River, ca 1 3/4 miles SW of Ahart Camp, ca 22 miles (air) NE of Forest Hill. 1591 Comment
  CAS-BOT-BC112911  Eleocharis macrostachya Catherine Best 1985-9-15 1148 Placer Sugar Pine Reservoir, 6 miles north of Forest Hill. 1158 Comment
  UCD33746  Eleocharis palustris Beecher Crampton 1972-7-26 8857 Placer Placer County, ca. 1 mile west of Cisco Grove on Interstate 80. 1676 Comment
  CAS-BOT-BC197351  Elymus W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  UCD36123  Elymus X hansenii Beecher Crampton 1952-11-9 928 Placer Placer County, 6 miles east of Auburn, 1 mile south of Meadow Vista. 457 Comment
  SACT001060  Elymus caput-medusae D. Meyer 1983-5-15 Placer Field at southeast corner. 36.6 Comment
  UCD61533  Elymus elymoides August L. Hormay 1933-5-24 Placer West of Auburn. Comment
  UCD61692  Elymus elymoides subsp. californicus L. S. Smith 1916-6 s.n. Placer Squaw Valley. Comment
  UCR240910  Elymus elymoides subsp. californicus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19232 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  CDA31705  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  POM264449  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  SACT001084  Elymus glaucus D. Meyer 1983-8-7 Placer Along east bank of Truckee River 1879.0 Comment
  SACT001102  Elymus glaucus Michael Baad 1976-6-17 Placer Royal Gorge-Wobena Creek to Wildcat Canyon. Collected in flood plain. Comment
  SACT001133  Elymus glaucus Michael Baad 1977-6-21 Placer 685.0 Comment
  CHSC73265  Elymus glaucus subsp. jepsonii L. P. Janeway 1998-8-6 5974 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SACT001087  Elymus glaucus subsp. jepsonii D. Meyer 1983-7-24 Placer North of Interstate 80, roadside. 909.0 Comment
  SACT001108  Elymus glaucus subsp. jepsonii Josephine Van Ess 1977-6-3 Placer Collected at bend in road about .75 mile west of highway 49. Oak woodland, moist. 420.7 Comment
  UCR249605  Elymus glaucus var. glaucus George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20834 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  CAS-BOT-BC234139  Elymus multisetus John Thomas Howell; Gordon H. True 1971-5-26 47636 Placer Northern limits of Lincoln 48 Comment
  UCD94851  Elymus multisetus Beecher Crampton 1957-5-7 3979 Placer 3.2 miles N of Roseville, along railroad and U.S. Highway 99E. Comment
  SACT001148  Elymus sierrae Michael Baad 1976-7-21 Placer Ridge at the tree line west north west of Lyon Peak and north-facing slope at crest of Lyon Peak, cinders and basaltic boulders. 10 miles southeast of Soda Springs. 2377.0 Comment
  CHSC74160  Elymus trachycaulus subsp. trachycaulus Susi Urie 1998-8-25 98 -100 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CDA18048  Elytrigia intermedia K. Connelly 1999-8-2 PDR 1223706 Placer Along side of Rd 8, off of Hwy 89, Truckee. 0 Comment
  SBBG71688  Enemion occidentale M. N. Ackley -Jun-1925 905 Placer Towle 1127 Comment
  CAS-BOT-BC410298  Enemion occidentale Serena Philips 1915-4-2 s.n. Placer Mountains near Alta Comment
  UCR207109  Epilobium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15233 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCR218123  Epilobium George K. Helmkamp, E. A. Helmkamp 2010-6-26 16392 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR241760  Epilobium brachycarpum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19809 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
  UCR253811  Epilobium brachycarpum George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20104 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  CAS-BOT-BC171973  Epilobium canum subsp. latifolium G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; J. Hunziker; H. Stutz; D. Zohary 1952-7-19 5122 Placer Along North fork Amercian River, 2 miles south of Colfax, about 1/2 mile east of bridge of Iowa Hill Road Comment
  JEPS111211  Epilobium ciliatum Steve Matson 2005-7-4 1373 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; southwest edge of wet meadow ;39.2871 N, 120.1407 W: elevation 5,900 ft. 1798 Comment
  UCD83639  Epilobium ciliatum Albert Grigarick 2009-9-10 192 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  CHSC75290  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-9-3 98 -234 Placer Lake Tahoe Basin--National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  RSA123118  Epilobium ciliatum subsp. glandulosum H. S. Yates 1936-8-9 5989 Placer 2 miles southwest of Martis Peak. 2287 Comment
  UC572238  Epilobium ciliatum subsp. glandulosum H. S. Yates 1936-8-9 5989 Placer 2 mi sw Martis Peak; Tahoe National Forest, Truckee Quadrangle 2286 Comment
  UCD21995  Epilobium glaberrimum Beth Lowe Corbin 1982-8-5 248 Placer Onion Creek campground. In wet soil along stream's edge. Flowers rose pink, petals bilobed. Full sun. SW facing slope, 15% incline. Occasional. 1841 Comment
  POM192603  Epilobium glaberrimum subsp. glaberrimum Helen D. Geis 130 -a Placer Deer Park. Comment
  UC422954  Epilobium glaberrimum subsp. glaberrimum Miss Helen D. Geis Jun 1 1912-Jul 1 1912 130 a Placer Deer Park Comment
  UCD42811  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 177 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD106511  Epilobium minutum Frederica Bowcutt 1994-7-22 1949 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  UCR178681  Epilobium obcordatum Rex Palmer 1979-7-25 N- 671 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
  UC1729971  Equisetum arvense L. P. Janeway, Eric Schroder 1998-9-16 6334 Placer creek about 2.2 mi sw of Lake Tahoe (about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  UCD43967  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1333 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR171400  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9965 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  CHSC97759  Eragrostis pilosa var. pilosa Lowell Ahart 2007-11-13 14601 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  JEPS126426  Eremogone congesta var. congesta Steve Matson 1998-6-21 271 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  CAS-BOT-BC174288  Eremogone congesta var. suffrutescens Dr. A. Kellogg 1870-6-18 s.n. Placer Cisco Comment
  UC337469  Ericameria arborescens unknown c. 1874 Placer near Auburn Comment
  UC2046012  Ericameria bloomeri Stephen W. Edwards with Katie Colbert 2015-8-7 s.n. Placer Monumental Ridge. Comment
  UC894746  Ericameria bloomeri Lewis S. Rose 1938-9-14 38270 Placer 3 mi nw Tahoe City; Truckee River 1828 Comment
  OBI49188  Ericameria nauseosa var. speciosa Lewis S. Rose 1938-9-14 38258 Placer South fork of Yuba River, Cisco 1615 Comment
  CAS-BOT-BC293279  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer Ridge northwest of Donner Pass 2377 Comment
  JEPS71606  Ericameria suffruticosa Gladys L. Smith 1972-8-25 3415 Placer foot of Granite Chief Granite Chief 2575 Comment
  RSA531312  Ericameria suffruticosa Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4543 Placer Squaw Valley beyond upper cable car stn. on top of rocky ridge. Comment
  UC187930  Erigeron barbellulatus C. F. Sonne 1888-7-29 Placer Wards Peak Comment
  UC71911  Erigeron barbellulatus C. J. Fox Jr. 1895-7-1 Placer near Deer Park Inn Comment
  UC480761  Erigeron compositus W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  UCD42844  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 210 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43378  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 746 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD75701  Erigeron coulteri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5150 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
  RSA739922  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-30 12194 Placer Northern Sierra Nevada Mtns. Foothills: Mosquito Ridge Road, 15 miles E of its junction with Forest Hll Rd. in Foresthill, S of site of Bake oven 915 Comment
  UCD75702  Erigeron glacialis Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5151 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CAS-BOT-BC300827  Erigeron glacialis var. glacialis Peter Rubtzoff 1976-9-18 8843 Placer Lake Van Norden 2063 Comment
  UC202224  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  UC485152  Erigeron glacialis var. glacialis Katharine Brandegee 1909-7-1 Placer Emigrant Gap Comment
  CAS-BOT-BC295209  Erigeron inornatus R. F. Hoover 1967-9-5 10831 Placer Cornelian Bay, Lake Tahoe Comment
  UC1950986  Erigeron inornatus var. inornatus G. K. Helmkamp, E. A. Helmkamp 2005-10-1 9980 Placer Northern Sierra Nevada Mtns.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca 2.2 mi W of CA Highway 89 and just S of Alpine Meadows Road) Tahoe City 7.5' Quad Comment
  JEPS72167  Erigeron linearis Gladys L. Smith 1972-6-20 3219 Placer Ward Peak Ward Peak (steep exposed ridge from charilift terminus to ultimate summit peak) 2632 Comment
  UCD125099  Erigeron miser Ellen Dean; M. Starbuck, DHS Jazz Choir 2012-8-25 7498 Placer Long Lake, west of the town of Soda Springs. Northeastern side of lake. 2016 Comment
  POM40200  Erigeron peregrinus Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CDA4644  Erigeron philadelphicus Kelly 1928-5-2 Placer Near Auburn, along road. 0 Comment
  UC87712  Erigeron pumilus var. intermedius C. F. Sonne Aug 1894 Placer Truckee River, Sierra Nevada Mountains Comment
  UC1124281  Eriodictyon californicum N. French 1934-5-29 375 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle 1463 Comment
  CAS-BOT-BC255405  Eriogonum Saichi Kawahara 1969-7-6 1473 Placer Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest 1139 Comment
  UCD22134  Eriogonum Rex Palmer 1979-6-21 N 406 Placer Headwaters basin area of the North Fork of the American River 2331 Comment
  JEPS111109  Eriogonum incanum Steve Matson 2005-7-30 1420 Placer Squaw Valley ski area, 1 km WSW of High Camp (top of tramway): 39.1937 N, 120.2647 W; elevation 8,100 ft. 2468 Comment
  UCD83637  Eriogonum incanum Albert Grigarick 2009-9-10 190 Placer Squaw Valley Resort, ridge near top of Links chairlift. 2499 Comment
  CAS-BOT-BC259350  Eriogonum lobbii John Thomas Howell 1943-7-26 18844 Placer Mt. Lincoln Comment
  CAS-BOT-BC259351  Eriogonum lobbii James R. Shevock 1985-8-9 11340 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 in Picayune Valley 2050 Comment
  UCD149394  Eriogonum lobbii G. Ledyard Stebbins 1976-7-3 7672 Placer Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1280 Comment
  SD243180  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
  JEPS72783  Eriogonum lobbii var. lobbii Gladys L. Smith 1972-8-25 3424 Placer above Squaw Valley; Granite Chief 2773 Comment
  CAS-BOT-BC249061  Eriogonum marifolium George K. Helmkamp; E. A. Helmkamp 2011-8-26 18189 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  UC1032142  Eriogonum marifolium N. French 1934-6-4 294 Placer Lake Valley Reservoir Tahoe National Forest, Colfax Quadrangle, Lake Valley Reserv Comment
  CAS-BOT-BC263286  Eriogonum marifolium var. marifolium Le Roy Abrams 1911-7-27 4771 Placer Lake Tahoe Region. Lake Valley 1950 Comment
  CDA24997  Eriogonum nudum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  CAS-BOT-BC264806  Eriogonum nudum var. deductum unspecified No date on label. 12884 Placer Summit Station 2121 Comment
  UC1035667  Eriogonum nudum var. deductum Kay H. Beach 1940-6-30 795 Placer 5.6 mi e on U.S. 40 Emigrant Gap 1676 Comment
  UCD100570  Eriogonum nudum var. deductum G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12636 Placer Northern Sierra Nevada Mountains, southeast end of Cisco Grove, along local road just before it passes under Interstate-80. 1744 Comment
  SEINET11262479  Eriogonum nudum var. nudum Elizabeth Neese 1980-10-15 9986 Placer Nyack Rd exit on I-80.; 0 Comment
  UCR190584  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2007-9-14 12960 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  SD22519  Eriogonum nudum var. pubiflorum Susan G. Stokes 1932-7-30 Placer Sacramento to Grass Valley Comment
  UC84513 Image available Eriogonum rosense C. F. Sonne 1886-7-18 Placer Truckee River Sierra Nevada Mountains, Head of Squaw Valley, Truckee River Comment
  CAS-BOT-BC269942  Eriogonum spergulinum var. reddingianum Alice Eastwood 1909-1-1 96 Placer Lake Tahoe Region. Sunnyside Comment
  UC662514  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Chambers Lodge (McKinney) Lake Tahoe 1900 Comment
  UC849786  Eriogonum spergulinum var. reddingianum none 12894 Placer Summit Station 2121 Comment
  UCD14667  Eriogonum tripodum A. M. Shapiro 1997-6-5 s.n. Placer California, Placer Co.; Colfax, saddle above Burnt Flat, ca. 3/4 mile along Iowa Hill Road; 670 Comment
  UCD147106  Eriogonum umbellatum Chuck Hughes 2013-6-6 391 Placer Near margin of Camp Far West Reservoir, near where the Bear River enters the Reservoir. 93 Comment
  CAS-BOT-BC268013  Eriogonum umbellatum var. furcosum Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC265157  Eriogonum umbellatum var. nevadense Charlotte Pyle 1978-8-9 s.n. Placer Silver Peak about 1.5 miles NW of Squaw Valley 2438 Comment
  SD1349  Eriogonum umbellatum var. subaridum Victor Duran 1930-8-2 Placer Cedar Flat, White Mts. 2133 Comment
Read comments
Oct 19 2012
  UC569819  Eriogonum ursinum B. Bolt 1934-7-16 121 Placer 1 1/4 mi se mouth of Serena Creek; Truckee Quadrangle 2042 Comment
  UC66982  Eriogonum ursinum P. B. Kennedy and S. B. Doten 1901-8-6 236 Placer Summit Soda Springs Comment
  UCD101330  Eriogonum ursinum Tamara Kan 1992-8-1 s.n. Placer on Mt. Disney, just inside boundary of Onion Creek Experimental Forest, at top of south east facing drainage. 2377 Comment
  CAS-BOT-BC262236  Eriogonum ursinum G. L. Stebbins; L. D. Smith 1975-9-7 C 7514 Placer South side of Bunker Hill, near lookout 2286 Comment
  SCFS11529134  Eriogonum wrightii E. Krimmel, F. Felix 2012-9-13 Placer NFAm trail 1 mi above Heath Falls. Comment
  SEINET5440870 Image available Eriogonum wrightii E. Neese 1980-10-15 9984 Placer Nyack Rd exit on I-80. Comment
  JEPS126270  Eriogonum wrightii subsp. subscaposum Steve Matson 2003-9-19 964 Placer nSNH; Tahoe Basin; west shore, Blackwood Canyon; about 1.4 miles ESE of Barker Pass. Comment
  CAS-BOT-BC205645  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  UCR173736  Eriophyllum lanatum var. croceum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10704 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  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
  UC194928  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer near Rocklin; east side Sacramento Valley 121 Comment
  UC220208  Eriophyllum lanatum var. grandiflorum Katharine Brandegee 1908-7-1 Placer Auburn Comment
  UC31785  Eriophyllum lanatum var. grandiflorum C. F. Sonne 1891-5-17 17 Placer below Auburn; Sierra Nevada Mountains Comment
  CAS-BOT-BC308245  Eriophyllum lanatum var. integrifolium M. E. Jones 1882-6-30 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC308248  Eriophyllum lanatum var. integrifolium Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  CDA12398  Eriophyllum lanatum var. integrifolium G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8526 a Placer Lake Tahoe; Peak at W end of N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS34497  Eriophyllum lanatum var. integrifolium L. S. Smith 1928-7-7 2470 Placer road to Robertson Flat above Forest H; Tahoe National Forest 1219 Comment
  UCR238600  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UCR238599  Erodium brachycarpum George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 A Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UCD103190  Erodium cicutarium Allan R. Magie 1957-3-24 109 Placer Auburn. Comment
  UCD22367  Erysimum capitatum Beth Lowe Corbin 1982-8-2 161 Placer Onion Creek Campground. S facing slope. Relatively common. Partial sun. In conifer duff over sandy, granitic soil in mixed conifer forest. Biennial herb, with bright yellow flowers and purplish stems. 1841 Comment
  CDA3713  Erysimum cheiri T. Lancefield 1975-4-16 Placer West side of tunnel of Taylor Road, Newcastle. 0 Comment
  CAS-BOT-BC55091  Erysimum perenne G. B. Rossbach 1940-6-2 933 Placer Near northwest shore Lake Tahoe. 1981 Comment
  UCD150486  Erysimum perenne James A. Neilson Jr. 1971-5-27 2090 Placer Tahoe Basin, Brockway Springs. 1901 Comment
  UCR209742  Erysimum perenne George K. Helmkamp, E. A. Helmkamp 2009-8-12 15438 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  SEINET13694331 Image available Erythranthe bicolor C. L. Hitchcock 1940-1 6398 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  CHSC73093  Erythranthe breweri L. P. Janeway 1998-8-6 5963 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SEINET14200104  Erythranthe floribunda C. Aarstad, H. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junction with North Fork of Middle Fork of American River, Mosquito Ridge Road to French Meadows. 518 Comment
  CAS-BOT-BC150224  Erythranthe guttata Saichi Kawahara 1969-5-24 1010 Placer Mel Henderson Ranch on the east bank of Indian Creek 987 Comment
  SEINET3836912 Image available Erythranthe moniliformis Marcus E. Jones 1882-1 2825 Placer Alta Comment
  CHSC74129  Erythranthe primuloides Susi Urie 1998-8-17 98 -045 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC82570  Erythranthe primuloides Lowell Ahart 2002-7-22 9902 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
  SJSU7720  Erythranthe primuloides R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  CDA11999  Erythronium purpurascens G. F. Hrusa 1995-5-2 12180 Placer Sierra Nevada; Near intersection of Mosquito Ridge Rd. and Jarvis Rd. on spur to Placer Redwood Grove. Comment
  SEINET5586229  Eschscholzia caespitosa G. K. Helmkamp, E. A. Helmkamp 2007-1 11709 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  CAS-BOT-BC402619  Eschscholzia caespitosa Helen Smith 1899-6-1 s.n. Placer Applegate Comment
  CAS-BOT-BC310366  Eucephalus breweri L. S. Smith 1927-8-5 2155 Placer Tahoe National Forest. Robertson Flat, Forest Hill Dist. Comment
  SEINET2470968  Eucephalus breweri K. Christie 2010-7-22 1909 Placer Lake Tahoe Basin Management Unit (USFS); ca. 1.0 mi. southeast of Martis Peak. 2407 Comment
  UCD132285  Eucephalus breweri D. Sanchez-Mata; S. Rivas, M. Barbour, P. Rodriguez 1997-9-3 s.n. Placer Soda Springs. Soda Springs Road. Tahoe National Forest. Near French Meadows. 2100 Comment
  UCR257733  Eucephalus breweri George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19517 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  RSA27203  Euphorbia crenulata C. L. Hitchcock 1940-5-7 6307 Placer 1 mile west of Baxter. Comment
  SD81227  Euphorbia crenulata Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill. 1399 Comment
  UCD38932  Euphorbia serpillifolia Beecher Crampton 1961-9-27 6005 Placer 1 mile west of Cisco Grove, along US Hwy 40. Comment
  CHSC73922  Eurybia integrifolia Susi Urie 1998-8-11 98 -004 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC278792  Festuca occidentalis Saichi Kawahara 1969-5-25 889 Placer North of old cabin, Mel Anderson Ranch, Indian Creek 999 Comment
  SACT001167  Festuca occidentalis Michael Baad 1977-6-21 Placer 1.5 miles south of junction to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  UC1131986  Festuca occidentalis G. T. Nordstrom 1934-6-19 119 Placer 0.5 mi ne Mouth of Monumental Creek; Tahoe National Forest, Colfax Quad. 1463 Comment
  UCD37227  Festuca occidentalis Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SACT001180  Festuca pratensis D. Meyer 1984-6-10 Placer 606.0 Comment
  UCD36661  Festuca subulata Beecher Crampton 1955-6-15 2892 Placer 2.5 miles north of Yankee Jims, at junction of Iowa Hill and Forest Hill Road. 609 Comment
  CAS-BOT-BC282565  Festuca viridula A. A. Heller 1917-8-14 12926 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  SACT001202  Festuca viridula Michael Baad 1976-8-25 Placer Crest of peak and ridge east of Grouse Canyon. 2499.0 Comment
  UC1132025  Festuca viridula N. French 1934-6-21 437 Placer 0.75 mi ne Palisade Lake; Truckee Quad. 2011 Comment
  UC818180  Festuca viridula A. A. Heller 1917-8-14 12926 Placer s of Summit Valley; Mt. Lincoln 2499 Comment
  UCD66514  Festuca viridula A. A. Heller 1917-8-14 12926 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  UC859946  Fragaria vesca C. L. Hitchcock 1940-5-7 6318 Placer ca 1 mi w Baxter Comment
  UCD44003  Fragaria virginiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1369 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC447510  Fragaria virginiana var. platypetala Lewis S. Rose 1944-7-12 44098 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CAS-BOT-BC447511  Fragaria virginiana var. platypetala Alice Eastwood 1912-6-15 402 Placer Deer Park, Lake Tahoe Region Comment
  SEINET6699532  Fragaria virginiana var. platypetala Trevitt 1932-7-5 s.n. Placer Tahoe Vista, Lake Tahoe Comment
  UCD33680  Frangula californica Beecher Crampton 1971-10-5 8759 Placer Placer County, Baxter, 2 miles east of Interstate Hwy. 80. 1402 Comment
  SEINET11243895  Frangula californica subsp. tomentella W. D. Billings 1939-3-19 1191 Placer Roadside 2 miles north of Auburn. Comment
  SD10096  Frangula rubra subsp. obtusissima Brandegee Sept 1888 Placer Blue Canyon Comment
  CAS-BOT-BC55783  Frangula rubra subsp. rubra E. K. Balls; P. C. Everett 1952-10-8 18120 Placer 1 mi. s. of Deer Park, Hwy 89, along Truckee River 1981 Comment
  JEPS61888  Fritillaria atropurpurea L. S. Smith 1915-6-19 Placer Squaw Valley near Truckee; Squaw Valley Comment
  CAS-BOT-BC505323  Fritillaria micrantha Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SEINET8478947  Fritillaria phaeanthera Killinger 1962-3-17 s.n. Placer 3 miles E of Auburn, North Fork American River. Comment
  CHSC73991  Galium aparine Susi Urie 1998-8-28 98 -135 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  UCD22290  Galium aparine Rex Palmer 1979-7-12 N 630 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC28188  Galium bifolium Kellogg June 1870 Placer Cisco Comment
  UCD75698  Galium bifolium Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5147 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
  UCR190660  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2007-5-23 12071 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  UC1143088  Galium grayanum var. grayanum N. French 1934-6-22 351 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  SEINET9349432  Galium parisiense Unknown 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills Comment
  UCD75773  Galium trifidum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5246 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CHSC74253  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-10 98 -324 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC74261  Galium trifidum var. pacificum Susi Urie 1998-9-4 98 -270 Placer About 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  JEPS59352  Galium trifidum var. pusillum Ezra Brainerd and Viola B. Baird 1915-7-22 224 Placer margin of river just above Bear Rock Camp; Sierra Nevada Mts., Truckee River 1889 Comment
  JEPS34002  Gamochaeta ustulata W. H. Shockley Jun 1886 Placer Auburn Comment
  SACT001230  Gastridium ventricosum Michael Baad 1983-6-26 Placer On path to El Dorado Canyon. 1 mile east of Michigan Bluff. 609.0 Comment
  JEPS127460  Gayophytum diffusum subsp. parviflorum Steve Matson 1997-8-9 167 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  UCR201522  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14013 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UCD150711  Gayophytum ramosissimum James A. Neilson Jr. 1970-1 1936 Placer Tahoe Basin, Lower Ward Creek. 2011 Comment
  CAS-BOT-BC217385  Gentiana affinis var. ovata Brandegee No date on label. s.n. Placer Colfax Comment
  UC197392  Gentiana newberryi C. F. Sonne Sep 1894 Placer Summit Valley Sierra Nevada Mountains 2133 Comment
  UCD44024  Gentianopsis simplex C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1390 Placer Lake Tahoe Basin. Comment
Read comments
Nov 8 2013
  SD3710  Gentianopsis simplex C. F. Sonne Sep 1897 Placer Tamarack Flat on Truckee River. Comment
  CDA37233  Geranium dissectum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  RSA0028446  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15904 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  UCR173278  Geranium molle George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10442 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  JEPS59482  Geranium richardsonii Ezra Brainerd and Viola B. Baird 1915-7-12 228 Placer Donner Lake Sierra Nevada Mountains 1828 Comment
  SEINET11263970  Gilia capillaris Lowell Ahart 2002-7-22 9893 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.; 0 1780 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
  UCR249601  Gilia capitata subsp. mediomontana George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20828 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UC193884  Gilia capitata subsp. pedemontana C. F. Sonne 1891-5-17 Placer Colfax Comment
  SEINET7963111 Image available Gilia leptalea Lewis S. Rose 1941-1 41319 Placer Chambers Lodge (McKinney), Lake Tahoe 1920 Comment
  UCR242367  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UC30184  Gilia tricolor subsp. diffusa H. N. Bolander 1865-4-13 4574 Placer near Auburn; near Auburn Comment
  UCD18247  Githopsis specularioides E. A. Dean 1998-5-30 457 Placer NE of town of Auburn, along SE side of Foresthill Rd. 500 Comment
  CAS-BOT-BC282691  Glyceria elata Saichi Kawahara 1969-7-6 1005 Placer West bank of Indian Creek, Mel Henderson Ranch 987 Comment
  SACT001261  Glyceria elata Michael Baad 1976-8-25 Placer 3-4 miles west of Sunnyside. 2072.0 Comment
  UCD66852  Glyceria elata R. Tofsrud 1951-7-1 Placer On Hwy. 40, above Baxter, 3/4 mile below drinking station. Comment
  CAS-BOT-BC307366  Gnaphalium palustre H. L. Mason 1932-9-9 7175 Placer Cisco 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
  CHSC116935  Gratiola M. Ocken; A. Centrae 2011-4-23 Placer Two miles north of the city of Lincoln, off Hwy 62. 45 Comment
  CHSC68055  Gratiola ebracteata James D. Jokerst; Mary Meyer 1987-4-17 2807 Placer Johnson Ranch N of Douglas Rd. and E of Hwy. 80. Comment
  CHSC84567  Gratiola ebracteata John Dittes 2003-5-25 2003 -24 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In beds of vernal pools. 39 Comment
  CHSC96509  Gratiola ebracteata Lowell Ahart; Brian Williams 2007-4-13 13653 Placer On damp granite soil, on the bottom of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CAS-BOT-BC257790  Hackelia micrantha George K. Helmkamp; E. A. Helmkamp 2010-7-28 16654 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  CAS-BOT-BC306526  Helenium bigelovii Brandegee No date on label s.n. Placer Cisco Comment
  CAS-BOT-BC314783  Helianthella californica var. nevadensis Peter Rubtzoff 1976-9-19 8871 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  CAS-BOT-BC305357  Helianthus annuus C. F. Sonne 1887-8-28 s.n. Placer Sierra Nevada Mountains. On Truckee River Comment
  CAS-BOT-BC314976  Hemizonella minima Harriet A. Walker 1910-6-1 2036 Placer Deer Park, Lake Tahoe Region Comment
  UCD21780  Hemizonella minima Rex Palmer 1979-6-19 N 216 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET9343148  Herniaria hirsuta Unknown 2010-6-26 16373 Placer Sierra Nevada Mountains Foothills 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
  CAS-BOT-BC123626  Hesperochiron latifolius Albert Kellogg s.n. Placer Cisco Comment
  UC193926  Hesperochiron pumilus C. F. Sonne 1887-7-11 Placer woods on Truckee R., on Pole Creek Truckee R., Pole Creek 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
  SEINET10972522  Heterocodon rariflorum Raven Raven 9997 Placer 1 MI FROM BLUE CANYON ON RD TO EMIGRANT GAP Comment
  SEINET6031227  Heuchera micrantha S. Dean 1979-3-31 s.n. Placer Eldorado Creek near junction with N. fork of Middle Fork of American River on Mosquito Ridge Rd 518 Comment
  UCD40878  Heuchera micrantha var. erubescens Bif Soper 1983-5-28 15 Placer 13.5 miles from Forest Hill on Mosquito Ridge Road. 1066 Comment
  SCFS11529133  Heuchera rubescens E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Growing on wet rocks next to stream. Comment
  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
  SCFS1117  Hieracium albiflorum E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail at Bailey Cabin. Comment
  SD243095  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16635 Placer Northern Sierra Nevada Mountains Foothills: Forest Route 10 (Sugar Pine Road) 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34a^z) of Foresthill (Michigan Bluff 7.5'Q) 1310 Comment
  UCR250140  Hieracium albiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20812 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CAS-BOT-BC319597  Hieracium albiflorum Leland S. Smith 1926-5-23 s.n. Placer Forest Hill, Tahoe Forest Reserve 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
  JEPS71817  Hieracium horridum Gladys L. Smith 1972-8-25 3419 Placer se-facing slope Granite Chief 2651 Comment
  CAS-BOT-BC312968  Hieracium triste L. S. Smith 1928-7-18 2481 Placer Tahoe National Forest. Ward Peak and down slope 2438 Comment
  UCD105891  Hoita orbicularis Richard F. Davis 1953-8-1 s.n. Placer From a meadow near Forest Hills. Comment
  SACT001283  Holcus lanatus Michael Baad 1977-6-21 Placer Road of Weimar 685.0 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
  UC1132401  Holcus lanatus N. French 1933-5-5 42 Placer s Newcastle; Sacramento Quadrangle Comment
  UC1137049  Holcus lanatus August L. Hormay 1932-5-24 Placer w Auburn Comment
  UC912268  Holocarpha virgata subsp. virgata Herbert L. Mason 1929-10-4 5449 Placer 3 mi s of Roseville; Folsom Road Comment
  CAS-BOT-BC150013  Holodiscus discolor var. discolor John H. Thomas; Hazelle A. Thomas 1956-7-21 6194 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SACT001299  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of road in moist soil. 2072.64 Comment
  SACT001315  Hordeum brachyantherum Michael Baad 1976-7-21 Placer lower southwest-facing slope. 10 miles southeast of Soda Springs. 2377.0 Comment
  UCD43005  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 374 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43846  Hordeum brachyantherum subsp. brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1212 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SACT001324  Hordeum californicum D. Meyer 1983-8-20 Placer Moist roadside meadow some revegetation following residential construction. 2000.0 Comment
  SACT001366  Hordeum leporinum Josephine Van Ess 1975-5-9 Placer Collected uphill from Linda Creek toward old homestead area. Rather flat and lightly shaded area. 91.5 Comment
  SACT001375  Hordeum leporinum D. Meyer 1983-5-7 Placer Roadside. Comment
  CDA19573  Hordeum marinum subsp. gussoneanum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 212 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
  SEINET4670488  Hordeum murinum subsp. leporinum R. Oliver 1976-4-13 s.n. Placer Auburn 366 Comment
  SCFS1124  Horkelia fusca E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. On trail 0.2-m from Cedars. Comment
  CHSC73078  Horkelia fusca subsp. parviflora L. P. Janeway 1998-8-6 5984 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  POM250771  Horkelia fusca subsp. parviflora D. D. Keck 1938-8-10 s.n. Placer Tahoma Resort, Lake Tahoe. 1905 Comment
  UC72985  Horkelia fusca subsp. parviflora Chesnut and Drew 1890-8-7 Placer Cascade Lake Tahoe Comment
  UCD22268  Horkelia fusca var. parviflora Beth Lowe Corbin 1982-8-11 328 Placer 1 1/2 miles WNW of Onion Creek Campground. 1935 Comment
  CAS-BOT-BC537863  Horkelia fusca var. parviflora A. A. Heller 1919-7-25 13302 Placer Sandy flat near the Yuba river, below Cisco 1676 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
  UC860236  Horkelia tridentata subsp. tridentata A. A. Heller 1917-6-17 12705 Placer below Cisco (along the Yuba River) Comment
  SD237590  Horkelia tridentata var. tridentata G. K Helmkamp, Amy Barnes 2009-7-12 15178 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  CAS-BOT-BC206148  Hosackia crassifolia W. R. Dudley 1900-6-29 s.n. Placer South of Tahoe City Comment
  SD2573  Hosackia incana C. F. Sonne May 1897 Placer Sierra Nevada Mountains, between Blue Lawn & Jowles (?), along railroad Comment
  UCD22014  Hosackia oblongifolia Beth Lowe Corbin 1982-8-11 315 Placer 1 2/3 mile SW of Onion Creek campground. Along moist bank of drainageway, in montane chaparral. Herb about 18' high. Flowers yellow with red lines, wings white. Mostly shade. South facing slope, 20% incline. Common. 1889 Comment
  SEINET5327467  Hosackia oblongifolia var. oblongifolia P. B. Kennedy, Samuel Bradford Doten 1901-8-15 406 Placer Bearman's camp, 6 mi from French meadows Comment
  UCD106043  Hosackia pinnata R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax, CA. 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
  JEPS71481  Hydrophyllum capitatum var. alpinum Gladys L. Smith and Betsy Wilson 1972-4 3621 Placer lower slopes Ward Peak (Sherwood Forest); Sherwood Forest 2133 Comment
  UCD22027  Hydrophyllum capitatum var. alpinum Rex Palmer 1979-6-20 N 276 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA7483  Hymenothrix loomisii T. C. Fuller 1963-10-21 11407 Placer South side of Highway 40 freeway to Donner Summit, 4.8 miles east of Weimar, 1 mile east of Colfax. 0 Comment
  UC128392  Hypericum anagalloides Miss Harriet A. Walker 1908-7-27 1461 Placer Yuba R. near Cisco; Yuba R. Comment
  UC1122099  Hypericum concinnum B. Bolt 1934-7-4 78 Placer Sawtooth Ridge Tahoe Nat'l Forest, Colfax Quad., Sawtooth Ridge Comment
  UCR173740  Hypericum concinnum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10709 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  UC34300  Hypericum concinnum Mrs. M. M. Hardy 1893-1 Placer Comment
  JEPS111214  Hypericum formosum var. scouleri Steve Matson 2005-7-4 1380 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; 39.2870 N, 120.1399 W: elevation 5,900 ft. 1798 Comment
  SD50718  Hypericum perforatum Darley F. Howe 1959-8-1 2771 Placer 2.0 miles north of Auburn. 456 Comment
  UCR219683  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16371 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC401261  Hypericum perforatum Margaret J. Williams 1985-7-6 85- 63 -1 Placer Pacific Crest Trail between old and new Donner Summits Comment
  CAS-BOT-BC438826  Hypochaeris glabra George K. Helmkamp; Mary Alice Barnes 2013-5-3 20464 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  SEINET3167476  Hypochaeris glabra R. W. Spellenberg, N. Zucker 2010-4-16 14154 Placer N edge of Lincoln along Hwy. 65 45 Comment
  UCR250630  Hypochaeris glabra George K. Helmkamp, Mary Alice Barnes 2013-5-3 20464 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UC1048671  Ipomopsis aggregata Lewis S. Rose 1941-6-11 41310 Placer Chambers Lodge Lake Tahoe Comment
  UCD21977  Ipomopsis aggregata Beth Lowe Corbin 1982-8-4 225 Placer 1/4 mile NW of Onion Creek campground. In rocky, fine, sandy soil in montane chaparral. Perennial. Flowers bright scarlett. Partial sun. SW facing slope, 15% incline. Uncommon. 1950 Comment
  UC23335  Ipomopsis aggregata A. M. Carpenter 1893-8 Placer Comment
  CDA15678  Ipomopsis aggregata subsp. aggregata G. F. Hrusa, J. Glazner 1999-7-18 15228 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1920 Comment
  CHSC67679  Ipomopsis congesta subsp. montana James D. Jokerst 1986-7-13 2737 A Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  CAS-BOT-BC133612  Iris hartwegii Saichi Kawahara 1969-5-24 863 Placer Strawberry Flat, Henderson Ranch, east bank of Indian Creek 999 Comment
  UC186610  Iris hartwegii C. F. Sonne 1891-4-5 Placer Auburn Comment
  UCR194941  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-18 12010 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR257151  Iris hartwegii subsp. hartwegii George K. Helmkamp, Amy Barnes 2014-4-23 22789 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  RSA136472  Iris macrosiphon Lee W. Lenz, E. K. Balls 1955-5-12 20471 Placer 0.8 mile west of El Dorado - Placer county line, Highway 49 to Auburn 366 Comment
  UC614450  Iris tenuissima L. Constance, J. L. Morrison 1938-4-30 2173 Placer edge of Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  UCR235614  Iris tenuissima subsp. purdyiformis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18913 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
  SBBG122675  Isoetes howellii J. Dittes 2003-5-25 2003 -28 Placer ca. 3.3 air-mi S of Lincoln, 0.5 air-mi E of jct of State Hwy 65 and Twelve Bridges Exit 39 Comment
  SEINET5338185  Isopyrum occidentale M. J. Williams, W. Roderick 1967-4-16 s.n. Placer Hway 49 south of Auburn south side of American River. 305 Comment
  CAS-BOT-BC324810  Iva axillaris Peter H. Raven 1956-8-4 9978 Placer Blue Canyon, Sierra Nevada 1432 Comment
  CAS-BOT-BC324811  Iva axillaris J. C. Henderson; R. L. Reeves 1970-10-21 s.n. Placer Fairgrounds, Auburn, Sierra Nevada 365 Comment
  JEPS111316  Ivesia gordonii Steve Matson 2005-7-30 1424 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), on steep east facing slope below ridgetopl: 39.1886 N, 120.2773 W ; elevation 8,700 ft. 2651 Comment
  SCFS1041  Ivesia gordonii Unknown 2014-8-7 Placer Treeline cirque Comment
  SACT002750  Juglans hindsii Josephine Van Ess 1976-4-21 Placer Collected near bridge over Dry Creek. Moist streambank. 27.4 Comment
  CAS-BOT-BC109965  Juncus Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  UC1133637  Juncus arcticus subsp. mexicanus R. W. Lundh 1933-4-25 231 Placer n of Colfax; Colfax Quad. 792 Comment
  UCD43103  Juncus balticus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 471 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43279  Juncus balticus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 647 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC68034  Juncus bufonius var. bufonius James D. Jokerst 1986-4-14 2618 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  JEPS102727  Juncus bufonius var. bufonius Lowell Ahart 2001-10-10 9348 Placer French Meadows Reservoir, ca 1/4 mile NE of the boat or trail access area on the NW side of the reservoir, ca 3/4 mi SW of the bridge across the Middle Fork of the American River, ca 1 3/4 mi SW of Ahart Camp, ca 22 mi (air) NE of Forest Hill. 1591 Comment
  UCD162584  Juncus bufonius var. occidentalis Steve Matson 2003-7-29 861 Placer nSNH; Tahoe west shore; Timberland subdivision; next to Rideout School/Community Center. 1920 Comment
  CDA15667  Juncus chlorocephalus G. F. Hrusa, J. Glazner 1999-7-18 15211 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD74140  Juncus chlorocephalus Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 243 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2192 Comment
  JEPS1771  Juncus covillei var. obtusatus Friedrich Ehrendorfer 1952-7-20 Placer 6 mi e Iowa Hill; Shirttail Creek Comment
  JEPS73240  Juncus drummondii Gladys L. Smith 1972-8-25 3440 Placer Granite Chief, along trail below meadow within n-face cirque Granite Chief 2560 Comment
  RSA783469  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass 15 quad). At Serene Lakes Lodge Comment
  UC1133650  Juncus effusus subsp. pacificus B. Bolt 1934-7-6 89 Placer Mammoth Spring Tahoe National Forest, Colfax Quad. 1615 Comment
  UCR233662  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17674 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  JEPS127510  Juncus ensifolius Steve Matson 2002-8-18 725 Placer nSNH: just west of Tahoe Basin, near confluence of Five Lakes Creek and Powderhorn Creek. Comment
  SD243044  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2011-8-26 18179 Placer Northern Sierra Nevada Mountains: along Forrest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. Wet area below a rocky seep. 2050 Comment
  UC1565206  Juncus leiospermus var. ahartii Carol W. Witham 1990-4-12 139 Placer ca 1.5 mi w Lincoln (town) (ca 1 mi e of Lincoln Airport) Comment
  UCD42990  Juncus mertensianus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 359 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC74024  Juncus nevadensis Susi Urie 1998-8-17 98 -057 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. Narrow meadow stringer. 2097 Comment
  POM110844  Juncus nevadensis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  UCD44425  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1791 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 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
  UCD36714  Juncus orthophyllus Beecher Crampton 1955-7-13 3000 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  RSA102051  Juncus oxymeris John H. Redfield 1872-8-7 369 Placer Blue Canyon. Comment
  JEPS111298  Juncus parryi Steve Matson 2005-8-7 1456 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.4 km NW of Silver Peak along stream near granite cliff band; 39.2267 N, 120.2599 W ; elev. 7,700 ft. 2346 Comment
  UCR179423  Juncus parryi Rex Palmer 1979-5-27 N 83 Placer Northern Sierra Nevada Mountains, Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden], granites at entrance to Chickering property 1768 Comment
  UCD141873  Juncus phaeocephalus var. paniculatus John Thomas Howell; Gordon H. True 1971-7-1 48323 Placer Northern outskirts of Lincoln. 48 Comment
  SBBG47338  Juncus tenuis J. T. Howell, G. H. True 1971-7-7 48322 Placer north limits of Lincoln 48 Comment
  UCD162744  Juniperus grandis Dylan O. Burge; J. Bisbee 2014-5-25 1628 Placer Bear River watershed, roadside on California State Route 20. 1430 Comment
  CAS-BOT-BC81151  Juniperus occidentalis Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco 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
  UC95  Juniperus occidentalis J. Burtt Davy Jul 25 1897-Jul 30 1897 3263 Placer near Deer Park Inn; Truckee River Basin Comment
  SEINET5334970  Juniperus occidentalis P. A. Lehenbauer 1937-9-19 s.n. Placer on road to Carnelian Bay, 4 miles from Lake Tahoe Comment
  UCR162422  Juniperus occidentalis subsp. australis David A. Charlet 1992-5-14 978 Placer I-80 roadside 1829 Comment
  RSA133970  Juniperus occidentalis var. australis John H. Thomas, Hazelle A. Thomas 6149 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2134 Comment
  UC480736  Kalmia polifolia subsp. microphylla W. C. Blasdale 1923-7-15 Placer Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  CAS-BOT-BC235570  Keckiella breviflora Marcus E. Jones 1882-6-28 3276 Placer Emigrant Gap Comment
  UC1012169  Keckiella breviflora Francis W. Pennell 1940-6-2 25659 Placer e of Auburn (Route 49, n of American River) 274 Comment
  UCR218448  Keckiella breviflora subsp. breviflora George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16421 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  CAS-BOT-BC235626  Keckiella breviflora var. breviflora C. L. Hitchcock 1940-5-4 6413 Placer Meier Ranch, ca. 6 mi. north of Colfax 762 Comment
  NY786793  Keckiella breviflora var. breviflora M. E. Jones 1882-5-28 3276 Placer Emigrant Gap Comment
  SCFS1134  Keckiella lemmonii E. Krimmel 2014-7-5 Placer Dry, sunny slope between Onion and Serena Creeks. Comment
  HSC33450  Kelloggia galioides Thomas W. Nelson, James Nelson 1974-6-17 1359 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  POM263779  Kelloggia galioides L. S. Rose 1941-7-21 41338 Placer Chambers Lodge (McKinney), Lake Tahoe. 1900 Comment
  RSA121077  Kelloggia galioides B. Bolt 1934-7-19 152 Placer 1 mile S of Whiskey Hill. 1646 Comment
  UCD22295  Kelloggia galioides Rex Palmer 1979-7-26 N 893 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA36807  Kickxia elatine D. B. Joley 1971-7-12 4 Placer Near Loomis. 0 Comment
  CAS-BOT-BC180847  Kochia scoparia Beecher Crampton 1969-10-9 8519 Placer Interstate Highway 80 westbound between Yuba and Emigrant Gaps Comment
  RSA0087952  Kopsiopsis strobilacea William Overton 1977-6-4 s.n. Placer Across tracks ca. 100 yards, on Secret Town Road, 0.9 mile from junction with Magra Road (which is northwest of the Magra Road-Secret Town offramp of Interstate 80), between Colfax and Gold Run. Comment
  CHSC12192  Kumlienia hystricula Lowell Ahart 1973-3-29 Placer Near Forest Hill. 472 Comment
  UCR208600  Kumlienia hystricula George 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 771 Comment
  UC131019  Kumlienia hystricula Mrs. K. Brandegee 1909-4-28 Placer near Auburn (in the Sierra Nevada Foothills); Sierra Nevada Foothills Comment
  UCR171020  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2006-2-9 10042 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  SEINET7949741  Lamium amplexicaule P. A. Lehenbauer 1937-4-11 s.n. Placer Auburn. Comment
  CAS-BOT-BC353496  Lasthenia fremontii Carl B. Wolf 1937-5-12 8621 Placer Sacramento Valley, 1 mi. N of Lincoln 45 Comment
  RSA585986  Lasthenia fremontii Adree M. Desrochers 1988-4-20 304 Placer Lincoln; along Hwy 65; 1.8 km from 5th Street/Rd 65 on E side of Hwy 65. Comment
  CAS-BOT-BC213269  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer Ca. 1 mile west of Baxter. Comment
  UCD15487  Lathyrus sulphureus Greg Cohler 1984-5-26 9 Placer 16 miles E. of Forest Hill Rd. on F.S. 97. 914 Comment
  UCR194939  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12004 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  HSC82231  Layia fremontii Thomas W. Nelson 1979-4-10 4591 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UC177013  Layia pentachaeta subsp. pentachaeta Katharine Brandegee Placer Auburn Comment
  UCR257023  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Amy Barnes 2014-4-23 22783 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UCD77803  Legenere limosa Robert E. Preston 2002-5-3 1787 Placer around 3 miles ssw of Lincoln, north of Orchard Creek 35 Comment
  UCR222551  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2010-4-17 15896 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area 305 Comment
  CAS-BOT-BC88772  Lepidium appelianum K. L. Stark; J. C. Henderson 1978-8-3 s.n. Placer Highway Marker 50.00, north side of west bound lanes, Interstate 80, northeast of Baxter. Comment
  CAS-BOT-BC88831  Lepidium campestre Elsie Z. Lovegrove 1947-6-1 s.n. Placer Bridge, Tahoe City. 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
  CAS-BOT-BC89731  Lepidium latifolium J. C. Henderson 1970-7-30 s.n. Placer Loomis. 118 Comment
  UCD70569  Lepidium nitidum Art Shapiro 1998-3-10 s.n. Placer Above N. Fork of American River off Iowa Hill Rd. 640 Comment
  UC570340  Lepidium perfoliatum N. French 1933-6-15 78 Placer Clipper Cap Sacramento Quad. 518 Comment
  UCD82963  Lepidium perfoliatum Albert Grigarick 2009-6-15 110 Placer E of Truckee, in parking area at the entrance of Martis Creek into Martis Creek Reservoir. 1775 Comment
  UCD115875  Lepidium virginicum Daryl Koutnik; Thomas Lanini. Thomas Wainwright 1978-10-19 s.n. Placer Sunnyside on western shore of Lake Tahoe. 1889 Comment
  CAS-BOT-BC60087  Lepidium virginicum var. menziesii A. A. Heller 1917-8-13 1753 Placer Near Summit hotel. 2133 Comment
  UC63961  Leptodactylon pungens C. J. Fox Jr. July 1895 Placer near Squaw Peak; near Squaw Peak Comment
  SD241131  Leptosiphon bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-17 15899 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q). 308 Comment
  RSA40267  Leptosiphon ciliatus L. S. Rose 1946-6-23 46188 Placer Rainbow, north of Cisco. 1738 Comment
  UC306181  Lessingia leptoclada Mrs. Mary E. P. Ames Sept., 1894 Placer Linden Heights Auburn Comment
  CAS-BOT-BC56394  Leucothoe davisiae L. S. Smith 1925-8-14 1707 Placer Tahoe National Forest, Robertson Flat Pasture 1981 Comment
  SEINET5336469  Lewisia kelloggii M. J. Williams 1970-6-7 s.n. Placer S of Emigrant Gap, overlooking N fork American River. 1615 Comment
  UC176132  Lewisia nevadensis Miss Harriet A. Walker 1908-6-26 1318 Placer Cisco Comment
  UC82893  Lewisia nevadensis Kellogg and Brannan 1870-6-29 Placer Cisco Comment
  UC192284  Lewisia nevadensis C. F. Sonne 1884-6-29 Placer meadow near old mill at Donner Lake Donner Lake Comment
  UC852034  Lewisia pygmaea Alice Eastwood Jun 15 1912-Jun 19 1912 441 Placer Tahoe City Lake Tahoe Region Comment
  POM101912  Lewisia triphylla Marcus E. Jones 1882-6-28 2629 Placer Emigrant Gap. Comment
  POM164116  Lewisia triphylla C. F. Sonne 1897-7-18 4125 Placer Tinker s Knob 2744 Comment
  CAS-BOT-BC444552  Lewisia triphylla Kellogg 1890-6-23 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  MACF019631  Libocedrus decurrens Fay A. MacFadden 1934-8-3 12824 Placer California Comment
  CDA15646  Ligusticum grayi G. F. Hrusa, J. Glazner 1999-7-18 15203 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD21592  Ligusticum grayi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1255 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  CAS-BOT-BC130779  Lilium pardalinum A. M. Vollmer; L. Beane 1951-7-1 188 Placer Bear Valley, east of Nevada City Comment
  RSA130324  Lilium pardalinum Albert M. Vollmer 1949-7-6 12 -E Placer Bear Valley Comment
  CAS-BOT-BC130772  Lilium pardalinum Mrs. H. M. Mitchell 1930-6-7 s.n. Placer Between Colfax and Dutch Flat Comment
  POM109722  Lilium parvum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UC1505670  Lilium parvum Robert T. Clausen and Harold Trapido 1940-7-13 4895 Placer 2 mi w Lake Tahoe (along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
  UC3750  Lilium washingtonianum subsp. washingtonianum C. F. Sonne Jul 1886 Placer canyon on Truckee River; Sierra Nevada Mountains 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
  SEINET5560140  Limnanthaceae H. S. Gentry 1962-1 19718 Placer 6.5 mi. SE of Wheatland, along Rt. 99E. 15 Comment
  CAS-BOT-BC110635  Limnanthes alba Gordon H. True 1971-5-26 6540 Placer Northern limits of Lincoln. 48 Comment
  UCR146678  Limnanthes alba Beecher Crampton 1953-4-13 1096 Placer Sacramento Valley, 2 miles north of Lincoln, Sunnybrook Farm 43 Comment
  UCSB45737  Limnanthes alba Reisentz, Paul 1979-5-11 Placer 1 mile south of Sheridan on Highway 65 Comment
  RSA752671  Limnanthes alba subsp. alba George K. Helmkamp, E. A. Helmkamp 2008-4-17 13290 Placer Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCD162580  Limosella acaulis Steve Matson 2003-6-16 802 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; edge of pond. 1908 Comment
  CAS-BOT-BC246054  Limosella aquatica Ira L. Wiggins 1933-8-21 6788 Placer Shores of Lake Tahoe, near Tahoma Comment
  UC59633  Linanthus dichotomus Mrs. M. E. P. Ames Placer Roseville Comment
  UC1124027  Linanthus harknessii B. Bolt 1934-7-17 128 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 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
  SCFS996  Linanthus pungens E. Krimmel 2013-6-2 Placer North Fork American River. Foresthill Rd - Am. River overlook. Comment
  CDA6359  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4183 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  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
  SACT002874  Lithocarpus densiflorus var. echinoides Josephine Van Ess 1980-7-23 Placer Collected in grove of Sierra Redwoods along nature trail in park. Shrub in open forest. Comment
  SACT002871  Lithocarpus densiflorus var. echinoides Michael Baad 1983-7-10 Placer 0.8 mile by road southeast of East Fork of North Fork of American Riveron road to Hellister Point from Emigrant Gap. Comment
  RSA293427  Lithophragma bolanderi Reino Alava 1958-5-3 2024 Placer 8 miles W of Auburn on the County Rd No 74. Comment
  POM92062  Lithophragma parviflorum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  JEPS21377  Lithospermum ruderale C. F. Sonne 1886-6-6 244 Placer Road to Lake Tahoe Sierra Nevada Mountains Comment
  CAS-BOT-BC283556  Lolium John Thomas Howell; Gordon H. True 1971-5-26 47619 Placer N limits of Lincoln 48 Comment
  UCD66242  Lolium multiflorum var. multiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10128 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  SACT001450  Lolium perenne D. Meyer 1984-6-23 Placer Along Placer-Nevada County Line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  UCSB32284  Lomatium bicolor Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  JEPS126307  Lomatium nevadense var. nevadense Steve Matson 1998-5-24 213 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards north Highway 267. Comment
  CHSC91783  Lonicera conjugialis G. F. Hrusa; J. Glazner 2000-7-1 15623 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  UC1125222  Lonicera conjugialis N. French 1934-6-8 404 Placer Cisco Butte Tahoe National Forest, Colfax Quadrangle Comment
  UCD126448  Lonicera conjugialis Rebecca Niell 1999-7-7 99- 3 Placer near Truckee River, north of Taho City on Rt. 89, near turnoff to Alpine Meadows Ski area. 1880 Comment
  UC1125271  Lonicera involucrata var. involucrata N. French 1934-7-10 508 Placer 1 mi e Fordyce Lake; Tahoe National Forest, Truckee Quadrangle Comment
  UCD168200  Lotus corniculatus Albert Grigarick 2014-8-2 372 Placer Alpine Meadows Ski Resort (Kangaroo Lift) - trail to Estelle near water tank. 2198 Comment
  CDA11997  Lotus humistratus G. F. Hrusa 1995-5-2 12178 Placer Sierra Nevada; Approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  POM27248  Lotus humistratus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCR257074  Lotus humistratus George K. Helmkamp, Amy Barnes 2014-4-23 22775 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  RSA25275  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer 1 mile west of Baxter. Comment
  RSA27665  Lotus micranthus C. L. Hitchcock 1940-5-7 6322 Placer 1 mile west of Baxter. 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
  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
  SEINET3694462  Lotus pinnatus Marcus E. Jones 1882-5-27 3282 Placer Emigrant Gap 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
  UC1129011  Lotus purshianus var. purshianus N. French 1933-6-5 62 Placer sw Rattlesnake Bridge Sacramento Quad. 213 Comment
  UC147571  Lotus purshianus var. purshianus Miss Harriet A. Walker 1908-6-24 1243 Placer Blue Canyon 1432 Comment
  UC175634  Lotus purshianus var. purshianus H. M. Hall 1910-7-1 8734 Placer near Cisco; Sierra Nevada Mountains 1828 Comment
  UCR176249  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2006-8-11 11218 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UC1129126  Lotus scoparius N. French, R. Clar 1933-6-6 75 Placer near Rattlesnake Bridge (locally near the American River); Sacramento Quad. 609 Comment
  CHSC118006  Lotus uliginosus G. K Helmkamp; E. A Helmkamp 2008-8-20 14024 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and east of Norden. 2149 Comment
  RSA750434  Lotus uliginosus George K. Helmkamp, E. A. Helmkamp 2008-8-20 14024 Placer Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  CAS-BOT-BC201251  Lupinus Charles Piper Smith 1932-9-2 4782 Placer Tahoe City, 3 miles south Comment
  UCR250177  Lupinus albicaulis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20460 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-BC201563  Lupinus albifrons var. albifrons Mary E. Jump 1939-3-30 s.n. Placer Highway 40, between Auburn & Colfax Comment
  HSC33455  Lupinus apertus Thomas W. Nelson, Jane P. Nelson 1974-6-17 1354 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  CDA27376  Lupinus apertus T. C. Fuller 1973-8-23 19983 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  UCD106669  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Summit. Comment
  RSA308742  Lupinus aridus Betty J. Jorgensen 1944-7-23 526 Placer Near Soda Springs. Comment
  SD237433  Lupinus benthamii G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15908 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Road, 4.5 miles south of junction with CA-49 at Pilot Hill (Pilot Hill 7.5'Q) 287 Comment
  SD241011  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2012-3-31 18668 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing. 257 Comment
  CAS-BOT-BC516751  Lupinus bicolor George K. Helmkamp; Amy Barnes 2013-3-28 20290 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  JEPS65004  Lupinus bicolor R. E. Arp 1932-4-18 3 Placer Roseville Comment
  RSA413743  Lupinus latifolius subsp. latifolius Fay A. MacFadden 1934-7-9 12784 Placer Flume below Emigrant Gap. Comment
  SEINET12154581  Lupinus lepidus C. F. Sonne 23 Aug 188- 54 Placer Tinker's Knob 2896 Comment
  SEINET8051737  Lupinus lepidus var. lobbii M. J. Williams 1973-7-3 73 -H-1 Placer [Sierra Nevada] Near Soda Springs. 2012 Comment
  UC1129521  Lupinus lepidus var. sellulus H. S. Yates 1934-6-29 3918 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  RSA0036006  Lupinus microcarpus var. densiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20459 Placer Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 ) of Auburn 672 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
  SEINET3271551 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14603 Placer Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UC711000  Lupinus nanus C. L. Hitchcock 1940-5-4 6388 Placer ca 6 mi n Colfax (Meier Ranch); n of Colfax 762 Comment
  UCR208546  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14674 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
  SD43618  Lupinus nanus Darley F. Howe 1948-5-20 Placer Placer 456 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
  CHSC73042  Lupinus polyphyllus var. burkei L. P. Janeway 1998-8-6 5990 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UCR250270  Lupinus polyphyllus var. burkei George K. Helmkamp, Mary Alice Barnes 2013-5-3 20458 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 deg. ) of Auburn 672 Comment
  SEINET8060070  Lupinus polyphyllus var. burkei Trevitt 1932-7-5 s.n. Placer [Sierra Nevada] Tahoe Vista Comment
  SEINET12902685 Image available Lupinus silvicola A. A. Heller 1909-1 9857 Placer Summit 2134 Comment
  POM215767  Lupinus vallicola subsp. vallicola D. D. Keck 1933-6-1 2434 Placer Loomis, city limits on road to Folsom. Comment
  CDA12403  Luzula comosa G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8531 ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  POM180967  Luzula comosa A. Kellogg 1870-6-16 s.n. Placer Cisco. 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
  UCR235482  Luzula comosa 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 779 Comment
  CHSC74326  Luzula comosa var. laxa Susi Urie; Eric Schroder 1998-9-8 98 -299 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC96780  Luzula comosa var. laxa G. F. Hrusa; A. Juncosa, J. Hunter 1991-7-15 8531 Ab Placer Lake Tahoe. N side of upper Ward Valley, 4 m SW of Tahoe City. 2100 Comment
  JEPS127405  Luzula comosa var. laxa Steve Matson 2006-4-23 1603 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  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
  CHSC82640  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the 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
  UCD147099  Lysimachia nummularia Chuck Hughes 2013-5-14 383 Placer Southwestern margin of Camp Far West Reservoir. 97 Comment
  CAS-BOT-BC342581  Madia Saichi Kawahara 1969-7-6 1464 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek 987 Comment
  UCD132776  Madia elegans Beecher Crampton 1953-10-6 1658 Placer 2 miles north of Lincoln. Comment
  CDA8244  Madia elegans subsp. vernalis A. C. Browne 1953-3-6 Placer Lincoln. 0 Comment
  CAS-BOT-BC342836  Madia glomerata H. M. Hall 1910-6-26 8746 -A Placer Sierra Nevada Mountains. Cisco Comment
  UCD43198  Madia glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 567 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC343243  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco, west slope Sierra Nevada 1804 Comment
  UCR233240  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-7-9 17692 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  POM29897  Madia minima Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCR218128  Madia minima George K. Helmkamp, E. A. Helmkamp 2010-6-26 16377 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SBBG58728  Maianthemum racemosum M. N. Ackley -Jun-1925 675 Placer Summit 2138 Comment
  UCD139055  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer ca. 1 mile east of Baxter. Comment
  UCD22055  Maianthemum racemosum Rex Palmer 1979-6-8 N 122 Placer Headwaters basin area of the North Fork of the American River 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-BC512086  Maianthemum racemosum subsp. amplexicaule Beecher Crampton 1972-9-28 8882 Placer 1 mile east of Baxter. Comment
  RSA377712  Maianthemum stellatum Bonnie C. Templeton 1931-7-4 1502 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  UCD107663  Marah fabacea Gordon H. True; John Thomas Howell 1972-3-17 7074 Placer Just south of Auburn Ravine, 1.5 miles west of Lincoln. 48 Comment
  SEINET9345680  Marrubium vulgare Unknown 2002-5-27 267 Placer Folsom Lake State Recreation Area, CA Comment
  UC50154  Meconella californica H. N. Bolander 1865-4-10 4524 Placer Auburn Comment
  UCR198048  Medicago lupulina Beth Lowe Corbin 1982-8-13 347 Placer Headwaters Basin Area of the North Fork of the American River. 1/2 mi west of The Cedars 1723 Comment
  UCD160961  Melica G. Ledyard Stebbins 1978-5-29 78103 Placer El Dorado National Forest. Little Crater above Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC269215  Melica aristata California Academy of Sciences 1870-6-1 s.n. Placer Cisco, Sierra Nevada Mountains Comment
  SACT001473  Melica aristata Michael Baad 1983-7-23 Placer .25 mile west of US Highway 89. Boggy meadows along road. 1828.8 Comment
  UC1256278  Melica aristata R. K. Gierisch and D. H. Esplin 1969-7-11 3522 Placer Big Bend; Tahoe Forest 1828 Comment
  UCD67013  Melica aristata Beecher Crampton 1955-6-15 2905 Placer Yankee Jims. 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
  SACT001495  Melica californica var. nevadensis Michael Baad 1977-6-8 Placer On Ralston Ridge Road. 487.68 Comment
  CAS-BOT-BC281294  Melica harfordii Saichi Kawahara 1969-5-25 890 Placer N of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001529  Melica stricta Michael Baad 1976-8-25 Placer ridge north of and including Twin Peaks. 3.5 miles northwest of Homewood. 2500.0 Comment
  SACT001531  Melica stricta Michael Baad 1983-8-11 Placer On trail from Whiskey Creek to Mildred Ridge 2133.0 Comment
  SACT001537  Melica torreyana Michael Baad 1983-5-5 Placer 3 miles southeast on Yankee Jim Road form Canyon Way Road descending to North Fork of the American River 548.64 Comment
  SACT001545  Melica torreyana Michael Baad 1977-6-8 Placer on road between Forest HIll and French Meadows roadside in serpentine-chaparral community 914.4 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
  CDA19488  Melilotus indicus M. I. Wibawa 2002-5-27 265 Placer Sacramento Valley; Folsom Lake, American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  UC1191905  Mentha canadensis Malcolm A. Nobs and S. Galen Smith 1949-8-21 1502 Placer n end Lake Tahoe (between sandy beach and Agate Bay) Comment
  UC872397  Mentzelia dispersa unknown 12885 Placer Upper limit of the yellow pine belt (P. Jeffreyi) Summit Station 2121 Comment
  SEINET255582  Mentzelia montana Lewis S. Rose 1941-7-12 41313 Placer Chambers Lodge, (McKinney), Lake Tahoe. 1920 Comment
  SEINET6167714  Micranthes C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junction with north fork of Middle fork of American River; Mosquito Ridge Rd. to French Meadows 518 Comment
  CAS-BOT-BC428532  Micranthes aprica John H. Thomas; Hazelle A. Thomas 1956-7-21 6125 A Placer Sierra Nevada. Vicinity of Donner Pass, 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
  CHSC85733  Micranthes odontoloma G. F. Hrusa; J. Glazner 2001-7-15 15937 Placer Northern Sierra Nevada. On N face of Crows Nest Pk. immed. W of Sugarbowl. 2316 Comment
  JEPS127553  Micranthes oregana Steve Matson 1997-7-10 92 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
  UC194718  Microseris nutans A. A. Heller 1909-7-16 Placer Summit 2133 Comment
  UC829637  Microseris nutans Lewis S. Rose 1941-7-12 41306 Placer Chambers Lodge, McKinney Lake Tahoe 1920 Comment
  UCD75936  Microseris nutans Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5158 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. Sides of trail. 2124 Comment
  UCD75962  Microseris nutans Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5228 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CHSC72880  Microsteris gracilis L. P. Janeway; Eric Schroder 1998-7-13 5750 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  JEPS10520  Mimulus angustatus M. E. P. Ames 1880-1 Placer Auburn 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
  UCD38466  Mimulus aurantiacus Beecher Crampton 1955-6-15 2893 Placer 8.5 miles west of Iowa Hill. Comment
  JEPS4597  Mimulus aurantiacus var. grandiflorus Matt Herbrand 1916-7-2 Placer Emigrant Gap Comment
  UCR250171  Mimulus aurantiacus var. grandiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20477 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
  UC26698  Mimulus aurantiacus var. grandiflorus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD122322  Mimulus aurantiacus var. grandiflorus G. L. Stebbins Jr. 1952-6-22 5093 Placer 2 miles southeast of Colfax, north of bridge on road to Iowa Hill. 350 Comment
  UC980571  Mimulus bicolor Milo S. Baker 1936-6-22 8418 Placer vicinity Gold Run (Hwy. 40) Comment
  UCD21895  Mimulus breweri Rex Palmer 1979-6-19 N 220 Placer Placer County. Exact loction unknown. Comment
  UC162757  Mimulus douglasii K. Curran Apr 1884 Placer Roseville Comment
  JEPS59499  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-10 253 Placer Deer Park Sierra Nevada Mts. 1920 Comment
  RSA447929  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD162558  Mimulus guttatus Steve Matson 1998-6-11 275 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 70 yards east of Boundary Fence , along East Martis Creek. 1780 Comment
  UCD43333  Mimulus guttatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 701 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR190712  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR234212  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17170 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  JEPS10944  Mimulus guttatus W. L. Jepson 1938-4-5 18584 Placer 2 mi e Auburn (on Placerville road) Comment
  JEPS9272  Mimulus guttatus Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunziker, D. Zohary, F. Ehrendorfer & H. Stutz 1952-7-19 3868 Placer about 2 1/2 mi e Iowa Hill (near site of Monona Flat, ridge between Indian Creek and North Fork of American River) 990 Comment
  RSA792360  Mimulus guttatus Heidi Haugen 1984-4-15 3 Placer Folsom Lake west side. 23 Comment
  UCR250902  Mimulus kelloggii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20346 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
  SDSU122  Mimulus kelloggii David M. Thompson, Barbara Ertter 1989-4-9 997 Placer 3.0 mile road NE of Shirttail Creek bridge along Shirttail Canyon Road. 500 Comment
  UC193603  Mimulus layneae J. W. Congdon 1894-4-3 Placer Auburn Comment
  CDA12424  Mimulus lewisii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8553 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CDA41694  Mimulus lewisii Rex Palmer 1979-7-25 N 676 Placer Headwaters Basin Area of the North Fork of the American River. 0 Comment
  UC445154  Mimulus microphyllus H. M. Hall 1910-6-28 8721 Placer opposite Cisco; Sierra Nevada Mts., Rattlesnake Creek 1828 Comment
  UCD21877  Mimulus moschatus Beth Lowe Corbin 1982-8-10 289 Placer 3/4 mile west of Onion Creek campground. 2023 Comment
  UCR226139  Mimulus moschatus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5142 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  SEINET5796524 Image available Mimulus moschatus var. longiflorus Marcus E. Jones 1882-1 Placer Alta Comment
  RSA434711  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD162602  Mimulus primuloides var. primuloides Steve Matson 1998-6-14 247 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 1km west of Martis Creek. 1780 Comment
  UCD44420  Mimulus primuloides var. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1786 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS8637  Mimulus pulsiferae Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, D. Zohary, J. Hunziker, F. Ehrendorfer & H. Stutz 1952-7-20 3881 Placer 7 mi e Iowa Hill (tributary of the upper reaches of creek); Tahoe Nat. Forest, Shirttail Creek 1158 Comment
  UC886398  Mimulus tilingii A. A. Heller 1917-8-13 12918 Placer ridge nw Donner Pass 2377 Comment
  UC193047  Mimulus tilingii C. F. Sonne Jul 25 1895-Aug 1 1895 Placer w slope Washoe Mts. Comment
  UCD21879  Mimulus torreyi Beth Lowe Corbin 1982-8-3 193 Placer west of Onion Creek campground. 1853 Comment
  UCD40954  Mimulus torreyi Cathy Hendel 1973-6-9 132 Placer 6.3 miles on Ice House Road from Hwy 50. Comment
  CAS-BOT-BC174686  Minuartia cismontana G. L. Stebbins 1978-5-28 7895 Placer East end of Ralston Ridge 1554 Comment
  CDA12434  Mitella breweri G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8506 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi. SW of Tahoe City. Comment
  CAS-BOT-BC432974  Mitella breweri James R. Shevock 1979-6-23 6267 Placer The Sierra Nevada. Along the Yuba River adjacent to Interstate 80. Tahoe National Forest. 1828 Comment
  CDA17967  Mollugo verticillata K. Connolly 1999-10-8 PDR 1222844 Placer Sierra Nevada; Sierra View Nursery, Loomis, CA. 129 Comment
  CAS-BOT-BC435044  Mollugo verticillata Catherine Best 1984-8-11 1033 Placer South Campground. Camp Far West Reservoir. 91 Comment
  SEINET12272517  Monardella candicans M. E. Jones 1882-1 3458 Placer Colfax Comment
  SEINET8732859 Image available Monardella odoratissima Lewis S. Rose 1941-1 41316 Placer Homewood, Lake Tahoe, alt. ca. 6300 ft. 1920 Comment
  UC416728  Monardella odoratissima subsp. glauca Miss Helen D. Geis 1912-6 177 Placer Deer Park Comment
  UCD22029  Monardella odoratissima subsp. glauca Beth Lowe Corbin 1982-8-2 163 Placer Onion Creek campground. In dry drainageway, of fine, sandy, granitic soil. Subshrub 1' high, with pale purplish to whitish flowers, and strong mint odor. Mostly sun. South facing slope. Uncommon. 1841 Comment
  SEINET5333439  Monardella odoratissima subsp. glauca P. A. Lehenbauer 1933-8-6 2788 Placer Lake Tahoe - near Homewood Comment
  CHSC67832  Monardella odoratissima subsp. pallida James D. Jokerst 1986-7-13 2712 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. 1859 Comment
  RSA531309  Monardella odoratissima subsp. pallida Walter Wisura 1991-8-22 4546 Placer Squaw Valley, beyond upper cable car stn. on steep E-facing slope below rocky summit Comment
  SD243166  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2011-8-26 18168 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill. 2020 Comment
  UC883621  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1935-6-18 Placer Near Tahoe City 1898 Comment
  UCR231827  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-8-14 16771 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  UCD149498  Montia fontana G. L. Stebbins 1978-5-28 78101 Placer Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SD1563  Montia parvifolia C. F. Sonne 1891-8-9 Placer Sierra Nevada Mountains, Canon above Squaw Valley Comment
  UCD101761  Montia parvifolia Dan Axelrod 1931-7-10 s.n. Placer Ward Creek, 3 miles N of Cazadero on Ft. Ross Road. Comment
  CAS-BOT-BC260647  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer 2 miles SW of Martis Peak, N of Agate Bay, Lake Tahoe 2286 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
  JEPS103487  Muhlenbergia filiformis Lowell Ahart 2002-7-22 9905 Placer On the S side 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. 1773 Comment
  JEPS14348  Muhlenbergia filiformis Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, D. Zohary, J. Hunziker, H. Stutz, F. Ehrendorfer 1952-7-20 3885 Placer s slope of serpentine hill just s Shirttail Public Camp (7 mi e of Iowa Hill) 1158 Comment
  SEINET4672123  Muhlenbergia filiformis M. J. Williams 1974-8-8 74 -PL-37 Placer Murphy's Meadow, 5 mi. SW of Hirschdale 2316 Comment
  UCD149725  Muhlenbergia montana G. Ledyard Stebbins 1977-7-9 7768 Placer Along trail from McKinistry Lake to Rubicon River. (Exact location unknown. Coordinates estimated by label maker.) 1767 Comment
  OBI20096  Muhlenbergia richardsonis David J. Keil 1978-7-23 12935 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  CAS-BOT-BC274927  Muhlenbergia rigens L. R. Abrams 1927-9-13 12150 Placer 11 miles E of Auburn on Lincoln Highway Comment
  SD243158  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16801 Placer Northern Sierra Nevada Mountains: American Hill Road, 1.2 miles south of its junction with Foresthill Road. 1566 Comment
  SEINET3156176  Nama lobbii H. A. Walker 1908-7-26 1498 Placer Cisco Comment
  SEINET12330126  Nama lobbii M. J. Williams 1984-1 84- 64 -2 Placer E side of Hwy 20 near the intersection with the Diamond Creek Road 1646 Comment
  SD247382  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-3-3 20501 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 miles east (87 degrees) of Forest Hill. 422 Comment
  UCD48379  Navarretia aeroides Beecher Crampton 1955-6-15 2921 Placer 10 miles west of Forest Hill. Comment
  JEPS127506  Navarretia capillaris Steve Matson 2000-6-7 472 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, east of Martis Creek Comment
  SEINET14055774  Navarretia capillaris A. A. Heller 1909-7-16 9843 Placer [Sierra Nevada] Summit. 2134 Comment
  POM75137  Navarretia divaricata Marcus E. Jones 1882-6-30 10586 Placer Emigrant Gap. Comment
  UC101873  Navarretia divaricata Katharine Brandegee 1888-1 Placer Shady Run Comment
  UC126077  Navarretia divaricata Katharine Brandegee 1908-7-17 Placer near Magda Station (along railway) Comment
  JEPS111177  Navarretia divaricata subsp. divaricata Steve Matson 2005-7-4 1363 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; near trailhead. 39.2923 N, 120.1291 W. Elevation 5,900 ft. 1798 Comment
  SEINET3861933  Navarretia divaricata subsp. divaricata Genevieve K. Walden 2009-6-25 211 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  SEINET3861932  Navarretia intertexta Genevieve K. Walden 2009-6-25 210 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
  UCD43346  Navarretia intertexta subsp. intertexta C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 714 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC126083  Navarretia intertexta subsp. propinqua Katharine Brandegee Jul 1908 Placer near Cape Horn Comment
  UCD38931  Navarretia leptalea Beecher Crampton 1961-9-27 6003 Placer 1 mile west of Cisco Grove, along US Hwy 40, Yuba River Basin. Comment
  RSA470066  Navarretia leptalea Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  RSA562586  Navarretia leptalea subsp. bicolor Alva Day 1982-7-13 82 -72 Placer Soda Springs Rd. 1.7 mi. N of Chickering property. Comment
  UC106890  Navarretia leptalea subsp. leptalea T. S. Brandegee 1889-7-7 Placer Alta Comment
  JEPS127513  Navarretia leucocephala subsp. minima Steve Matson 1998-6-21 820 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  POM75593  Navarretia leucocephala subsp. minima Marcus E. Jones 1882-6-30 10108 Placer Emigrant Gap. Comment
  UC106895  Navarretia linearifolia subsp. linearifolia C. F. Sonne Sept., 1895 Placer road to Hot Springs Lake Tahoe; Sierra Nevada Mountains, rd to Hot Springs Lake Tahoe Comment
  UCD21175  Navarretia tagetina Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-5 350 Placer Orchard Creek Mitigation Bank. UTMs 10S0646175; 4300069. Comment
  UC112909  Nemacladus capillaris Katharine Brandegee 1908-7-18 Placer Cape Horn Comment
  SDSU6142  Nemophila heterophylla D. F. Howe 1948-5-22 1855 Placer 610 Comment
  RSA537465  Nemophila heterophylla Barbara Ertter, David M. Thompson 1989-4-9 8193 Placer halfway down road to Lake Clementine (N Fork Lake) NE of Auburn. 305 Comment
  CAS-BOT-BC7208  Nemophila humilis Alice Eastwood 1898-6-8 s.n. Placer Summit Comment
  UC24196  Nemophila maculata State Survey 1800-1 4566 Placer New Castle Comment
  UCR193333  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2007-5-30 12192 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
  UC880959  Nemophila pedunculata Lewis S. Rose 1940-6-2 40464 Placer 10 mi n Tahoe City; Truckee River, n of Tahoe City 1828 Comment
  UCR250062  Nemophila pulchella var. gracilis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20340 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
  JEPS71485  Nemophila spatulata Gladys L. Smith 1972-6-18 3156 Placer Alpine Meadows 2072 Comment
  UCD126683  Nicotiana acuminata var. multiflora H. E. Catlin 1940-9-19 s.n. Placer Auburn. Comment
  JEPS36255  Nothocalais alpestris L. S. Smith 1928-6-28 2422 Placer Tahoe Forest Miller Lake Range, Tahoe Forest Comment
  SEINET9372251  Nothocalais alpestris George Hrusa, Glazner, J. 1999-7-17 15154 Placer Martis Valley Comment
  UCD39233  Odontostomum hartwegii Beecher Crampton 1955-6-15 2869 Placer Bunch Canyon Head. 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
  JEPS126304  Oreostemma alpigenum var. andersonii Steve Matson 1998-7-27 343 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Main meadow within sight of Highway 28. Comment
  CAS-BOT-BC500307  Orobanche uniflora subsp. occidentalis C. F. Sonne 1884-8-24 281 Placer Sierra Nevada Mountains: Rocks above Coldstream Comment
  RSA0068982  Orobanche uniflora subsp. occidentalis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap Comment
  UC1438187  Orogenia fusiformis L. Constance and Betsy Wilson 1978-5-12 3894 Placer 5 mi. s. Trackee (Goose Meadows Campground in Truckee R. Valley); Sierra Nevada, Truckee R. Valley, Goose Meadows Campground 1828 Comment
  RSA516502  Orthocarpus hispidus W. L. Jepson 1931-6-16 15929 Placer Tahoe Vista, Lake Tahoe. 2043 Comment
  POM44253  Orthocarpus lacerus Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. 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
  UCR226147  Osmorhiza occidentalis Ellen Dean, K. F. Mawdsley, Gordon Harrington, Mark Bibbo, J. Poloske 2008-7-20 5204 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, ridge beween Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use 2208 Comment
  CAS-BOT-BC413165  Oxyria digyna A. A. Heller 1917-8-14 12922 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  UCD22103  Paeonia brownii Rex Palmer 1979-6-20 N 347 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC10503  Paeonia brownii Gregory Clark de Nevers 1995-8-20 10765 Placer Lake Tahoe. 2194 Comment
  CDA32586  Panicum acuminatum var. acuminatum G. D. Barbe 1973-7-19 1633 Placer Roadside Rest Area, West-bound Interstate 80, Gold Run. Comment
  UCD124126  Panicum acuminatum var. fasciculatum Ellen Dean; Marcel Rejmanek 2012-10-9 7500 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
  UCD34027  Panicum acuminatum var. fasciculatum Beecher Crampton 1975-9-9 9279 Placer Gold Run rest area on Hwy. 80. 914 Comment
  UCD88540  Panicum acuminatum var. fasciculatum Beecher Crampton 1969-7-1 8489 Placer Nyack. Interstate Hwy. 80 eastbound. 1615 Comment
  UCD34029  Panicum capillare subsp. hillmanii Beecher Crampton 1975-9-9 9281 Placer Placer County, Alta, Hwy. 80. 1188 Comment
  SEINET10592943  Paspalum distichum Alan A. Beetle 1941-6-27 Beetle 2729 Placer 1 mile north of Lincoln, irrigation ditch. Assoc. Cyperus, Alisma, Eleocharis. Comment
  JEPS71758  Pedicularis groenlandica Gladys L. Smith 1972-6-18 3140 Placer Alpine Meadows 2072 Comment
  UCD44522  Pedicularis groenlandica C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1888 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA123599  Pedicularis semibarbata E. F. Sprague 1956-8-4 1298 Placer Sugar Bowl, Norden. 2134 Comment
  RSA331973  Pellaea brachyptera W. Wisura, Dave Kelly 1985-6-1 4049 Placer Nayak, near Emigrant Gap, along dead end rd. to railway siding, on rocks. Comment
  CAS-BOT-BC67609  Pellaea bridgesii Alice Eastwood 1912-6-15 419 Placer Lake Tahoe Region - Deer Park Comment
  UCD137727  Pellaea bridgesii S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  UCD75751  Pellaea bridgesii Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5218 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  JEPS16351  Penstemon azureus Peter H. Raven 1956-8-4 10001 Placer dirt road n Emigrant Gap; Sierra Nevada, n of Emigrant Gap 1493 Comment
  SEINET4560769  Penstemon azureus George K. Helmkamp, E. A. Helmkamp 2010-1 16670 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  UCD124048  Penstemon azureus G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10712 Placer Northern Sierra Nevada Mountains foothills; 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 487 Comment
  UCR173791  Penstemon azureus George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10712 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  UCR209724  Penstemon azureus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15444 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  SD103530  Penstemon azureus Darley F. Howe 1978-7-15 5072 Placer Along state highway 20, 27 miles west of Truckee 1584 Comment
  SDSU10918  Penstemon azureus D. F. Howe 1978-7-15 5072 Placer Rte 20, 27 miles W of Truckee. 1585 Comment
  POM286723  Penstemon azureus subsp. azureus Lyman D. Benson 1932-7-31 4016 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 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
  UC128134  Penstemon azureus var. azureus Miss Harriet A. Walker 1908-7-26 1436 Placer Cisco 1828 Comment
  RSA780095  Penstemon breviflorus subsp. glabrisepalus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  JEPS71732  Penstemon deustus Gladys L. Smith 1972-6-20 3227 Placer Ward Peak 2632 Comment
  POM11471  Penstemon gracilentus Katherine Brandegee 1910-07 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC264485  Penstemon heterodoxus var. heterodoxus A. A. Heller 1917-8-13 12921 Placer Ridge NW of Donner Pass 2377 Comment
  CAS-BOT-BC264488  Penstemon heterodoxus var. heterodoxus L. S. Smith 1927-8-12 2222 Placer Upper Squaw Creek Basin below Peak 2286 Comment
  NY601525  Penstemon heterodoxus var. heterodoxus A. A. Heller 1917-8-13 12921 Placer Ridge northwest of Donner Pass 2377.4 Comment
  UC1063370  Penstemon heterodoxus var. heterodoxus H. S. Yates 1934-6-29 3881 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  UCD83642  Penstemon heterodoxus var. heterodoxus Albert Grigarick 2009-9-10 195 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  NY601756  Penstemon heterophyllus var. purdyi Illegible collector name 1940-5-4 6412 Placer Meier Ranch, ca. 6 miles north of Colfax 762.0 Comment
  JEPS29703  Penstemon heterophyllus var. purdyi Rimo Bacigalupi and L. R. Heckard 1962-5-26 8460 Placer along U.S. highway 40, 1 mi sw Clipper Gap; sw of Clipper Gap 487 Comment
  UCD123928  Penstemon neotericus D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. Mesic white fir forests. 1500 Comment
  UCD69249  Penstemon neotericus D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. Mesic white fir forests. 1500 Comment
  UCD21912  Penstemon newberryi Rex Palmer 1979-7-11 N 576 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC239277  Penstemon newberryi var. berryi L. S. Smith 1926-6-8 1902 Placer Tahoe National Forest, French Lake, rocky slopes east side 2133 Comment
  CAS-BOT-BC239280  Penstemon newberryi var. berryi E. A. McGregor 1909-8-13 114 Placer Lake Tahoe Region. Susie Lake 2331 Comment
  CAS-BOT-BC239281  Penstemon newberryi var. berryi Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe Comment
  NY627310  Penstemon newberryi var. newberryi W. W. Eggleston 1927-8-5 21557 Placer Robertson Flat Region, Tahoe Forest 2000 Comment
  UCR231825  Penstemon newberryi var. newberryi George K. Helmkamp, E. A. Helmkamp 2010-8-14 16773 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
  CDA13702  Penstemon roezlii G. F. Hrusa, J. Glazner 1997-8-3 14062 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  NY650155  Penstemon roezlii H. D. D. Ripley 1948-7-13 9822 Placer Southwest of Emigrant Gap 1676.4 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
  JEPS59360  Penstemon roezlii Ezra Brainerd and Viola B. Baird 1915-7-29 110 Placer along Truckee River near Bear Rock Camp; Sierra Nevada Mts., Truckee River 1889 Comment
  SEINET11120779  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2009-7-16 15225 Placer Sierra Nevada Mtns., Forest Hill Rd., 26.1 mi NE of Foresthill, ca. 3/4 mi NW of Sailor Flat. Duncan peak Comment
  UC27397  Penstemon roezlii Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC239577  Penstemon rydbergii var. oreocharis L. S. Smith 1926-6-23 1977 Placer Tahoe National Forest, Squaw Valley North side meadow 1828 Comment
  CAS-BOT-BC239580  Penstemon rydbergii var. oreocharis Isabel McCracken 1938-7-2 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC239581  Penstemon rydbergii var. oreocharis L. S. Smith 1939-7-1 s.n. Placer Ice Lakes, Tahoe National Forest 609 Comment
  UCD158889  Penstemon rydbergii var. oreocharis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 s.n. Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS124588 Image available Penstemon rydbergii var. oreocharis Dixie Funnell 1965-6-27 18 Placer 4 1/2 miles south of Truckee on HIghway 89 south west of the road. Comment
  UC527359  Penstemon speciosus C. B. Wolf 1931-9-10 2418 Placer Lake Tahoe just nw Chambers Lodge; Lake Tahoe just nw of Chambers Lodge 1920 Comment
  POM44219  Penstemon speciosus Marcus E. Jones 1897-6-22 s.n. Placer 10 miles south of Amedee. 1220 Comment
  RSA437415  Penstemon speciosus Robert F. Thorne, J. Chandler 1987-6-26 5424 Placer CA Hwy 267, 3.2 mi S of Brockway Summit. Comment
  UCR250341  Pentagramma pallida George K. Helmkamp, Mary Alice Barnes 2013-4-18 20368 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
  RSA0070766  Pentagramma triangularis Elizabeth Flint 1930-1 87 Placer Near Penryn. 213 Comment
  SEINET6626634  Pentagramma triangularis Unknown 1960-2-20 s.n. Placer Junction of north and middle forks of American River Comment
  UCD137789  Pentagramma triangularis subsp. triangularis Eric Brenner; John Hunter 1996-5-26 5 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD18249  Perideridia bolanderi E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 461 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
  UCSB32267  Perideridia bolanderi Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CHSC73909  Perideridia lemmonii Susie Urie 1998-8-28 98 -132 Placer Middle of Page Meadows; anout 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 11 W']. 2121 Comment
  CHSC74181  Perideridia lemmonii Susi Urie 1998-9-2 98 -211 Placer Below Hwy 28, between the highway and lake Forest Road; about 0.2 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  CHSC74185  Perideridia parishii subsp. latifolia Susie Urie; Eric Schroder 1998-9-8 98 -281 Placer On north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CAS-BOT-BC419153  Persicaria maculosa Catherine Best 1985-9-15 1151 Placer Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  CDA15990  Phacelia hastata subsp. hastata G. F. Hrusa, J. Glazner 1999-7-17 15184 e Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR246828  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16655 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  JEPS59364  Phacelia humilis Ezra Brainerd and Viola B. Baird 1915-7-10 113 Placer near Deer Park Inn; Sierra Nevada Mts. 1981 Comment
  UCD74138  Phacelia humilis var. humilis Jennifer W. Burt 2005-7-11 118 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1986 Comment
  UC24386  Phacelia imbricata State Survey 1865-4-13 4580 Placer dry hills Newcastle Comment
  UC660091  Phacelia marcescens G. L. Stebbins Jr. 1940-6-9 3036 Placer 1 mi w Cisco; South Fork Yuba River Comment
  SEINET4560778  Phacelia mutabilis George K. Helmkamp, E. A. Helmkemp 2011-1 18175 Placer Northern Sierra Nevada Mountains: Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2060 Comment
  CHSC89293  Phacelia racemosa G. F. Hrusa; J. Glazner 2000-9-3 15676 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. On old sky run edge. UTM: 10S, 4354752 N, 0728157 E. 2164 Comment
  UC112857  Phacelia racemosa Katharine Brandegee 1908-7-15 Placer near Cisco (type locality) Comment
  UC163979  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer type locality Cisco 1804 Comment
  UCD120687  Phacelia stebbinsii G. L. Stebbins 1977-7-8 7761 Placer East side of McKinistry Peak. 2316 Comment
  CDA16036  Phacelia tetramera G. F. Hrusa, J. Glazner 2000-9-3 15677 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  SACT001700  Phalaris arundinacea D. Meyer 1984-7-21 Placer Along east bank of river. 1879.0 Comment
  CAS-BOT-BC259077  Phalaris lemmonii Gordon H. True 1971-5-26 6535 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC77389  Philadelphus lewisii Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  SACT001740  Phleum alpinum James Grove 1977-7-15 Placer 2000.0 Comment
  CAS-BOT-BC250852  Phleum pratense Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UC23908  Phlox diffusa A. M. Carpenter 1893-8 Placer 2286 Comment
  UC23966  Phlox gracilis State Survey 1890-1 4508 Placer near Auburn Comment
  JEPS72021  Phoenicaulis cheiranthoides Gladys L. Smith 1972-6-20 3204 Placer Ward Peak, about terminus of Summit chairlift Ward Peak 2621 Comment
  UCD22354  Phoenicaulis cheiranthoides Rex Palmer 1979-6-9 N 157 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  UCD75738  Phoenicaulis cheiranthoides Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5201 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  SEINET10327162  Phoradendron serotinum subsp. macrophyllum J. Prida 1972-10-8 s.n. Placer 5 miles S of Auburn, roadside. 518 Comment
  SD243193  Physocarpus capitatus George K. 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
  CAS-BOT-BC76968  Pilularia americana K. L. Chambers; Robert Ornduff 1967-5-14 2843 Placer Hwy. 99E, 1.3 mi. south of Sheridan. Comment
  SEINET5334491  Pinus attenuata T. Kerstetter 1956-4-16 s.n. Placer 20 miles east of Baxter CA. on U.S. 40. 1219 Comment
  SEINET5334494  Pinus attenuata V. K. Johnson 1950-12-13 s.n. Placer Gold Run Comment
  CAS-BOT-BC78462  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit [valley] Valley 2118 Comment
  OBI20153  Pinus contorta subsp. murrayana David J. Keil 1978-7-23 12943 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  NY49915  Pinus contorta var. murrayana A. A. Heller 1917-8-13 12883 Placer Summit Valley 2118.4 Comment
  HSC1502  Pinus jeffreyi R. A. Magie 1964-6-12 104 Placer Turn off Hwy. 20 6 mi. W of Hwy. 40 junction, 12 mi. towards Lindsay Lake, Bulk Collection 42 1982 Comment
  UCD23233  Pinus lambertiana Beth Lowe Corbin 1982-8-20 394 Placer 1 mile northwest of Onion Creek campground. 2072 Comment
  UCD37505  Pinus lambertiana Beecher Crampton 1960-11-2 5800 Placer town of Gold Run. 975 Comment
Read comments
Mar 12 2011
  UCR200873  Pinus lambertiana George K. Helmkamp, E. A. Helmkamp 2008-9-15 14111 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  SEINET5334657  Pinus lambertiana T. C. Frantz 1951-5-22 s.n. Placer between north end Lake Tahoe and highway at Nevada State line Comment
  IRVC9005  Pinus ponderosa Pamela I. B. Roeber 1974-10-20 66 Placer 3 miles S of Foresthill on Auburn-Foresthill Road. Comment
  UC1819257  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  UCD69325  Pinus ponderosa Russell Stein 1984-4-25 Placer 6 miles east of Auburn; foothill woodland/ Yellow Pine Forest. 457 Comment
  NY951541  Pinus ponderosa var. ponderosa D. H. Goldman 2004-12-24 3007 Placer "Mosquito Narrows," Mosquito Ridge, just N of Mosquito Ridge Road (Forest Road 96), just E of the intersection with a dirt road going to the NW, about 5.9 miles from the parking lot at the Placer County Big Tree Reserve and about 18.9 miles E of the 1289 Comment
  SEINET3875087  Pinus sabiniana James K. Detling 1963-4-10 48 Placer 1 mile from Auburn on Highway 49.; 0 381 Comment
  SEINET12742769  Pinus sabiniana W. D. Billings 1939-3-19 1205 Placer 10 miles northwest of Auburn Comment
  UCD34186  Pistacia atlantica Beecher Crampton 1977-9-30 9532 Placer Placer County, Applegate. Comment
  CAS-BOT-BC227971  Plagiobothrys Geo. B. Grant 1906-8-15 6932 Placer Tahoe Tavern, Lake Tahoe 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
  CAS-BOT-BC230946  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 444 Placer Lake Tahoe Region. Tahoe City Comment
  CDA15983  Plagiobothrys hispidulus G. F. Hrusa, J. Glazner 1999-7-17 15162 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD41256  Plagiobothrys nothofulvus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1713 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  SD43625  Plagiobothrys nothofulvus Darley F. Howe 1948-5-20 1839 Placer 456 Comment
  CHSC67789  Plagiobothrys scriptus James D. Jokerst 1986-3-19 2599 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. Comment
  RSA21279  Plagiobothrys stipitatus var. micranthus C. B. Wolf 1937-5-12 8622 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  UCR249588  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20282 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SD241121  Plantago coronopus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18650 Placer Sacramento Valley: along CA-193, 0.1 mile west of tis junction with Sierra College Blvd. (Gold Hill 7.5'Q) 88 Comment
  CDA36964  Plantago lanceolata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD138953  Platanthera dilatata var. leucostachys Beecher Crampton 1972-6-20 8824 Placer upslope from Bear valley, State Highway 20 East. Comment
  UCR231817  Platanthera dilatata var. leucostachys George K. Helmkamp, E. A. Helmkamp 2010-8-14 16793 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
  SJSU9113  Platanthera dilatata var. leucostachys N. D. Addy 1962-7-8 174 Placer Hwy 89, 1.5 mi N of Fallen Leaf Lake 1920 Comment
  POM196060  Platanthera leucostachys G. W. Fetters 1929-7-10 s.n. Placer Near Pomins [Tahoe Hot Tubs], Lake Tahoe Comment
  HSC97403  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-20 385 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 2058 Comment
  UC635444  Platystemon californicus Dorothy Tebbe 1930-4-5 94 Placer near Roseville; near Roseville Comment
  JEPS51626  Platystemon californicus Leland S. Smith 1926-4-16 1776 Placer Forest Hill ridge below Yankee Jim; Tahoe Forest, Forest Hill ridge below Yankee Jim 609 Comment
  SEINET5340049  Platystemon californicus B. Adams 1956-3-27 20 Placer Plowed field about 2 miles south of Roseville. 152 Comment
  SD43650  Plectritis macrocera Darley F. Howe 1948-5-23 1905 Placer American River 305 Comment
  UCD15637  Plectritis macrocera R. B. Kelley 1985-5-12 186 Placer Stevens Trail, at end of North Canyon Rd, near Colfax. 633 Comment
  UCD41268  Plectritis macrocera Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1724 Placer East of Hwy 80 and town of Colfax, western side of canyon of North Fork of the American River. Along Iowa Hill Road, about 1.8 road miles east of intersection with Canyon Way in Colfax. 518 Comment
  JEPS59066  Pleuricospora fimbriolata C. F. Sonne 1888-8-12 475 Placer Sierra Nevada Mountains, on Truckee River Truckee River; Sierra Nevada Mountains, Truckee River Comment
  UCD161031  Poa G. Ledyard Stebbins 1977-7-1 7736 Placer Above Middle Fork American River near Last Chance. (Exact location unknown. Coordinates estimated by label maker.) 1341 Comment
  UCR235693  Poa George K. Helmkamp, E. A. Helmkamp 2012-5-5 18918 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
  UCR270689  Poa John F. Emmel 1998-7-9 1574 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  HSC10629  Poa annua L. M. Malloy 1965-4-11 23 Placer 5 mi. S of Auburn, 0.5 mi. E of Scott's Corner on County Rd. P. 58 Comment
  SACT001776  Poa annua Michael Baad 1983-5-5 Placer On Bear River streamside picnic area. 3 miles southwest of Colfax. Moist shaded. 609.0 Comment
  CAS-BOT-BC254756  Poa bolanderi John Thomas Howell 1943-7-22 18711 Placer Summit Valley Comment
  CDA16043  Poa bolanderi G. F. Hrusa, J. Glazner 2000-9-3 15670 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. Abies concolor, A. magnifica, Pinus monticola, P. contorta forest with dense herbaceous understory. Along old logging roadbed. Annual. 2164 Comment
  UC820684  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer base of cliff n of Summit Hotel 2164 Comment
  UCD90565  Poa bolanderi R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40 (above Nayak) near Campton's store. Comment
  UCD90843  Poa compressa Beecher Crampton 1955-7-13 3014 Placer Bear Valley, along State Hwy. 20, 1.5 miles north of Emigrant Gap. Placer-Nevada County border. 1371 Comment
  UCR146918  Poa compressa Beecher Crampton 1964-7-9 7111 Placer Sierra Nevada Mountains, Emigrant Gap, Hwy 40 1616 Comment
  SACT001841  Poa fendleriana Michael Baad 1983-8-11 Placer 4.8 km owest of Alpine Meadows. 2133.6 Comment
  SACT001847  Poa gracillima Michael Baad 1983-7-10 Placer 19.52 km from Emigrant Gap along road to Helester Point, open rocky slope to left of road. 1524.0 Comment
  SACT001859  Poa incurva D. Meyer 1983-8-20 Placer To summit at first lake steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT001879  Poa nevadensis D. Meyer 1983-8-7 Placer Southeast of county line on roadside. 1758.0 Comment
  CAS-BOT-BC247372  Poa pratensis John Thomas Howell 1943-7-19 18567 Placer Summit Valley Comment
  SACT001903  Poa pratensis Michael Baad 1983-7-23 Placer 1/8 mile west of Highway 89 1828.0 Comment
  SACT001916  Poa pratensis D. Meyer 1983-8-7 Placer 24.5 km south of Placer County line moist shady area Louisiana Pacific Private Forest enterance. 1758.0 Comment
  SACT001932  Poa pratensis D. Meyer 1984-5-6 Placer Collected on Garden Bar Rd. Riparian habitat. 182.0 Comment
  SACT001943  Poa pratensis D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line, roadside wash. 1758.0 Comment
  UCD44658  Poa pratensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2024 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC74922  Poa pratensis subsp. pratensis Susi Urie; Eric Schroder 1998-9-8 98 -277 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
  SACT001976  Poa scabrella Michael Baad 1983-7-16 Placer 5.44 km northeast of Junction with Chipmunk Ridge Road along south shore French Meadows Reservoir. Open rocky slope on left side of road. 1612.0 Comment
  SACT001982  Poa scabrella Michael Baad 1983-5-5 Placer .5 mile southeast of Canyon Way Road, descending to North Fork of American River 548.64 Comment
  UCD18258  Poa secunda E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 470 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  CAS-BOT-BC242950  Poa secunda subsp. secunda Peter H. Raven; G. L. Stebbins 1952-4-20 4006 Placer N Fork American River S of Auburn near bridge on Route 49 213 Comment
  CAS-BOT-BC242951  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC242954  Poa secunda subsp. secunda A. A. Heller 1917-6-17 12696 Placer Along the Yuba River below Cisco 1676 Comment
  UC1132836  Poa secunda subsp. secunda B. Bolt 1934-7-4 77 Placer Sawtooth Ridge; Tahoe Nat'l Forest, Colfax Quadrangle Comment
  CAS-BOT-BC539302  Poa sierrae G. Ledyard Stebbins 1968-4-7 6671 Placer Mosquito Ridge, E of Forest Hill, along road, 2.7 mi NE of turnoff to PG&E dam and powerhouse 975 Comment
  SACT002015  Poa trivialis D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  UCD92110  Poa trivialis R. Tofsrud 1950-6-9 s.n. Placer ca. 4 mi. E of Colfax on Hwy. 40. Comment
  UCD36705  Podagrostis humilis Beecher Crampton 1955-7-13 2988 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD21615  Polemonium californicum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1259 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  UCD21968  Polemonium californicum Beth Lowe Corbin 1982-8-23 408 Placer 2 miles SW of The Cedars. In fine, sandy, organic soil. Flowers blue with white throat. Partial sun. North facing slope, 40% incline. Occasional. 2103 Comment
  UCD162526  Polemonium micranthum Steve Matson 2009-5-9 2204 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, north of Martis Creek; just west of parking lot near creek 1780 Comment
  CAS-BOT-BC231286  Polemonium pulcherrimum Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Madden Creek, Lake Tahoe Region Comment
  POM308702  Polemonium pulcherrimum Betty J. Jorgensen 1944-7-12 516 Placer Soda Springs Comment
  SEINET5845273  Polygala cornuta C. Kegg 1983-9-17 C- 21 Placer Blue Canyon Guard Station 1585 Comment
  JEPS59446  Polygala cornuta var. cornuta Ezra Brainerd and Viola B. Baird 1915-7-31 172 Placer Nevada City Sierra Nevada Mts. 1524 Comment
  SBBG67658  Polygala cornuta var. cornuta M. N. Ackley -Jun-1925 787 Placer Gold Run 983 Comment
  SEINET6647275 Image available Polygonum A. A. Heller 1917-1 12934 Placer Mount Lincoln S of Summit Valley 2438 Comment
  UCD100691  Polygonum A. A. Heller 1917-8-12 12876 Placer Southern Pacific reservoir west of Emigrant Gap in coarse granite sand, the flat about the pond. 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
  UCD43039  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 408 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43211  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 580 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44666  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2032 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR207112  Polygonum bistortoides George K. Helmkamp, E. A. Helmkamp 2009-7-16 15239 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  CDA22765  Polygonum californicum E. Dewitt 1929-10-3 Placer Lincoln. 0 Comment
  JEPS111292  Polygonum douglasii subsp. douglasii Steve Matson 2005-7-10 1388 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 500 meters W of parking area 1783 Comment
  UCR194945  Polygonum polygaloides subsp. confertiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12032 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  CAS-BOT-BC419862  Polygonum polygaloides subsp. confertiflorum M. S. Jussel 1928-6-25 s.n. Placer Fish Hatchery Comment
  CAS-BOT-BC420033  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1912-6-15 442 Placer Tahoe City, Lake Tahoe Region Comment
  CAS-BOT-BC109257  Polygonum shastense John Thomas Howell 1943-7-21 18663 Placer Donner Pass to Mount Lincoln. Comment
  JEPS72994  Polygonum shastense Gladys L. Smith 1972-8-25 3425 Placer Granite Chief; summit area 2773 Comment
  RSA689952  Polypodium californicum Elizabeth Flint 1930-1 100 Placer Near Penryn 213 Comment
  UCD90503  Polypogon australis Beecher Crampton 1955-6-15 2891 Placer junction of Iowa Hill, Forest Hill road, 2.5 miles north Yankee Jim. Comment
  CAS-BOT-BC233246  Polypogon maritimus J. T. Howell; Gordon H. True 1971-5-26 47615 Placer N limits of Lincoln 48 Comment
  SACT002021  Polypogon maritimus Josephine Van Ess 1976-7-8 Placer Collected .25 mile north of Roseville waterworks. Moist ditch. Comment
  HSC10852  Polypogon monspeliensis L. M. Malloy 1965-4-11 17 Placer 5 miles S of Auburn, 0.5 miles E of Scotty's Corner on County Road P. 58. Comment
  SACT002039  Polypogon monspeliensis Josephine Van Ess 1976-8-18 Placer Collected on Ferriera Ranch just east of LIncoln on Highway 193. Edge ofsalt spring area. Comment
  UCD91298  Polypogon monspeliensis Beecher Crampton 1958-6-24 4972 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  RSA693277  Polystichum lonchitis Fay A. MacFadden 1934-7-2 s.n. Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  CAS-BOT-BC102700  Populus tremuloides John H. Thomas; Hazelle A. Thomas 1956-7-21 6193 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  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
  SEINET10460814  Porterella carnosula Follette 1978-7-6 FOLLETTE s.n. Placer Paige Meadows west of Carnelian Bay 1920 Comment
  JEPS42966  Potamogeton filiformis var. alpinus W. L. Jepson 1931-6-17 15925 Placer Mink Harbor; Crystal Bay, Lake Tahoe 1920 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
  UCR208599  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14627 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 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
  CHSC74701  Potentilla glandulosa subsp. nevadensis Susi Urie; Eric Schroder 1998-9-8 98 -280 Placer Lake Tahoe Basin. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  NY578970  Potentilla glandulosa subsp. reflexa B. Crampton 1972-6-20 8827 Placer Upslope from Bear Valley, State Hwy. 20. 1402.1 Comment
  RSA463075  Potentilla glandulosa var. nevadensis Lyman D. Benson 1942-7-2 11246 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CHSC74431  Potentilla gracilis var. fastigiata Susi Urie 1998-9-2 98 -220 Placer Lake Tahoe Basin. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCR229457  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17895 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-BC540399  Potentilla gracilis var. fastigiata Margaret Williams 1974-8-8 74 -P1-22 Placer Sierra Nevada, Murphy's Meadow, 5 miles SE of Hirschdale 2316 Comment
  SEINET6637123  Potentilla gracilis var. fastigiata L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  SCFS1050  Primula suffrutescens E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  UC480743  Primula suffrutescens W. C. Blasdale 1923-7-13 Placer Mount Ellis (Tahoe) Mount Ellis; Lake Tahoe Region, Mount Ellis (Tahoe) Comment
  SEINET8565285  Primula suffrutescens P. B. Kennedy, S. B. Doten 1901-8-10 272 Placer Summit of Devils Cliff, Soda Springs. Comment
  SCFS1027  Prunella vulgaris E. Krimmel 2014-7-5 Placer Near the creek. Comment
  JEPS127463  Prunella vulgaris var. lanceolata Steve Matson 1997-7-9 131 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UCR231866  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17029 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
  SBBG14319  Prunus emarginata N. F. Sommer 1954-5-19 88 Placer edge of runway of emergency landing field near Blue Cyn, US Hwy 40, 8 mi W of Emigrant Gap 1828 Comment
  UCD113443  Prunus emarginata N. F. Sommer 1954-5-19 88 Placer at edge of runway of emergency landing field near Blue Canyon, U.S. Highway 40, 8 miles west of Emigrant Gap. 1828 Comment
  UCD22277  Prunus emarginata Beth Lowe Corbin 1983-8-3 195 Placer Hill west of Onion Creek Campground. SW facing slope, 30% inclination. Mostly sun. Uncommon. Opening in whtie fir forest in fine, sandy, granitic soil. Shrub 6 ft tall, with reddish twigs, older bark greyish. Berries picked green. 1853 Comment
  UCD22279  Prunus emarginata Rex Palmer 1979-5-26 N 8 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  CAS-BOT-BC154644  Prunus subcordata W. R. Dudley 1909-8-1 s.n. Placer Vicinity Dutch Flat Comment
  JEPS127550  Prunus virginiana subsp. demissa Steve Matson 1998-6-15 272 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, along east Martis Creek. Comment
  CAS-BOT-BC151205  Prunus virginiana var. demissa Baki Kasapligil 1974-10-6 4911 Placer Soda Springs, Sugar Bowl 1828 Comment
  JEPS55236  Pseudognaphalium californicum Lewis S. Rose 1967-6-14 67137 Placer Penryn 182 Comment
  UCR241738  Pseudognaphalium canescens subsp. beneolens George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19805 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  UCR206875  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2009-7-16 15199 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CHSC81755  Pseudognaphalium thermale Lowell Ahart 2001-10-10 9338 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
  SEINET5334823  Pseudotsuga menziesii var. menziesii W. Priest 1956-4-16 s.n. Placer On U.S. Hwy. 40 about 1 mile west of Baxter. 1067 Comment
  SFV10346  Psilocarphus brevissimus M. L. Vincent 1963-6-5 368 Placer 5 miles north of Roseville. Comment
  JEPS40455  Psilocarphus brevissimus var. brevissimus R. E. Arp 1932-4-28 7 Placer Roseville Comment
  UCD113259  Purshia tridentata Beecher Crampton 1975-9-22 9289 Placer Martis Valley, Truckee-Tahoe airport area, ca. 2.5 miles SE of Truckee. Comment
  UCD22283  Purshia tridentata Rex Palmer 1979-6-9 N 142 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  CAS-BOT-BC147865  Purshia tridentata var. tridentata John Thomas Howell 1943-7-26 18836 Placer Mt. Lincoln Comment
  UC1128527  Purshia tridentata var. tridentata N. French 1934-6-22 460 Placer 0.5 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. 2286 Comment
  SEINET7257144  Pyrola dentata P. Lehenbauer 1933-8-6 2542 Placer [Sierra Nevada] near Homewood, Lake Tahoe Comment
  CAS-BOT-BC466095  Pyrola picta W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  SACT002679  Quercus Josephine Van Ess 1977-5-6 Placer Collected along small stream just inside park on Newcastle Road. Moist ditch bank amoung other Quercus. Small tree. 176.8 Comment
  UCD40290  Quercus Rodney Gale Myatt 1972-6-1 s.n. Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  JEPS89059  Quercus X chasei Dr. J. C. Hawver 1909-3-5 Placer Auburn, ne corner of town Auburn Comment
  SACT002619  Quercus chrysolepis Michael Baad 1977-6-3 Placer 1.2 mile west of Big Reservoir Camp, serpentine outcrop with Jeffery pine and Berberis 1219.2 Comment
  SBBG25329  Quercus chrysolepis R. A. Christison 1960-5-8 64 Placer jct of St Hwy 49 and Forest Hill turnoff 91 Comment
  UC1083186  Quercus chrysolepis H. L. Mason 1929-10-4 5453 a Placer 2.4 mi below Weimar Comment
  UCD22469  Quercus chrysolepis Beth Lowe Corbin 1982-8-11 318 Placer 1 2/3 miles SW of Onion Creek campground. 1905 Comment
  UCD45386  Quercus chrysolepis Eric Brenner; John Hunter 1996-5-26 006 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. Elev. 1870 m. 1870 Comment
  SEINET9006750  Quercus douglasii W. D. Billings 1939-3-19 1198 Placer Sierra Foothills, 10 miles northwest of Auburn Comment
  SACT002635  Quercus durata Michael Baad 1977-6-21 Placer 1.5 miles south of junction of road to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  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-BC105463  Quercus kelloggii Miss. A. Eastwood 1894-9-1 s.n. Placer Colfax Comment
  RSA476820  Quercus kelloggii Wm. Martin 1971-9-10 20203 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  UCSC009999  Quercus kelloggii Al Keuter 2014-6-15 00 101 B Placer Along Ophir Road near Auburn and Interstate 80. 350 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
  UC1135812  Quercus vacciniifolia R. W. Lundh 1933-4-26 232 Placer 3 mi s Signal Peak; Tahoe National Forest, Colfax Quad. 1828 Comment
  UCD21483  Quercus vacciniifolia Rex Palmer 1979-5-26 N 6 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  UCD21490  Quercus vacciniifolia Beth Lowe Corbin 1982-8-4 206 Placer Located on hill west of Onion Creek Campground. 1853 Comment
  SEINET10437466  Quercus vacciniifolia L. R. Miller 1933-8-27 1402 Placer Near Long's Lake. Comment
  SACT002728  Quercus wislizeni Michael Baad 1983-4-9 Placer 1.5 - 3.5 ,miles south of junction with Auburn-Forest Hill Road. 1000' above Middle Fork of the American River 304.8 Comment
  SEINET10437807  Quercus wislizeni H. R. Holbo 1961-3-31 s.n. Placer North Fork of American River. 610 Comment
  UCSC009140  Quercus wislizeni var. wislizeni Al Keuter 2015-3-31 10- 05 -2 Placer North Fork American River/SR193 202 Comment
  CAS-BOT-BC362680  Raillardella argentea John Thomas Howell 1943-7-21 18673 Placer Mt. Lincoln Comment
  JEPS86475  Raillardella argentea L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6553 Placer ca 5 mi se Donner Lake (e of Tinker Knob, Sherman Chickering's Soda springs holdings) 2621 Comment
  UCD83641  Raillardella argentea Albert Grigarick 2009-9-10 194 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  CAS-BOT-BC362681  Raillardella argentea L. S. Smith 1926-6-24 1984 Placer Tahoe National Forest. W. side sec 10 near top ridge, Whiskey [Whisky] Cr. 2438 Comment
  UC827591  Ranunculus alismifolius var. alismellus Alice Eastwood Jun 15 1912-Jun 19 1912 383 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC379395  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 s.n. Placer Lake Tahoe Region, Seven Lakes Comment
  CAS-BOT-BC379398  Ranunculus alismifolius var. hartwegii A. A. Heller 1917-6-19 12731 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC379437  Ranunculus alismifolius var. hartwegii Betty J. Jorgensen 1944-5-26 443 Placer on bank above highway near A.S.U.O. lodge, near Norden Comment
  SEINET5338276  Ranunculus alismifolius var. hartwegii P. A. Lehenbauer 1926-4-25 1324 Placer Squaw Creek Comment
  JEPS127528  Ranunculus aquatilis var. diffusus Steve Matson 1998-7-12 328 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Highway 267, west of Martis Creek, close to highway rampart. Comment
  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-BC378964  Ranunculus bonariensis John Thomas Howell; Gordon H. True 1972-3-17 7082 Placer northern outskirts of Lincoln 49 Comment
  UCR250682  Ranunculus californicus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20352 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
  SBBG2259  Ranunculus flammula E. R. Blakley 1960-9-3 3814 Placer Kings Beach, Lake Tahoe 1903 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
  UC9441  Ranunculus hebecarpus H. N. Bolander 1865-4-10 4510 Placer Auburn Comment
  CAS-BOT-BC228549  Ranunculus muricatus George K. Helmkamp; E. A. Helmkamp 2011-4-10 17159 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan 41 Comment
  UCR197991  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sacramento Valley, Sunnybrook Farms, 2 mi north of Lincoln 41 Comment
  SD241940  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2010-4-17 15888 Placer Siera Nevada Mountains Foothills: Rattleshake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 359 Comment
  SEINET192016  Ranunculus occidentalis C. L. Hitchcock 1940-5-7 6312 Placer Ca 1 mi W of Baxter Comment
  UCR257018  Ranunculus occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 22788 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  RSA268502  Ranunculus occidentalis var. ultramontanus L. S. Rose 1940-6-2 404465 Placer Truckee River, 10 miles N of Tahoe City. 1829 Comment
  POM281582  Ranunculus occidentalis var. ultramontanus Allen M. Carpenter 1892-1 s.n. Placer [Unspecified] Comment
  POM276387  Ranunculus orthorhynchus Lyman Benson 1948-7-17 12924 Placer Placer: isco Grove, S Fork Yuba River, Sierra Nevada. Sacramento Valley, Sierran Montane Forest 1799 Comment
  UC9469  Ranunculus orthorhynchus var. orthorhynchus Mrs. M. M. Hardy 1893-1 Placer Comment
  CHSC72884  Ranunculus uncinatus L. P. Janeway; Eric Schroder 1998-7-13 5755 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UCR253815  Raphanus raphanistrum George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20100 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  UCR171024  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2006-2-9 10062 Placer Northern Central Valley, Clark Tunnel Road and Calif. Highway 193, east of Lincoln 113 Comment
  UCR262445  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2011-12-9 18503 Placer Sacramento Valley, Sunset Blvd. West, 5.8 miles west of its junction with Fiddyment Road 29 Comment
  CDA3833  Raphanus sativus T. C. Fuller 1959-5-2 s.n. Placer Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  CAS-BOT-BC59528  Rhamnus alnifolia Carl B. Wolf 1937-9-4 9287 Placer Sierra Nevada, NW. of Lake Tahoe, 1 mi. below (E. of) Deer Park 1981 Comment
  CDA13672  Rhamnus alnifolia G. F. Hrusa, J. Glazner 1997-8-3 14032 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  RSA0049597  Rhamnus alnifolia Dean Wm. Taylor 2013-8-7 21400 Placer Coldstream Valley, meadow complex on the south canyon rim of the valley 2034 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
Read comments
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
  UC870819  Rhamnus ilicifolia C. L. Hitchcock 1940-5-14 6371 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  POM85013  Rhamnus purshiana Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UCD150478  Rhodiola integrifolia subsp. integrifolia James A. Neilson Jr. 1971-8-31 2588 Placer Tahoe Basin, south fork of Blackwood Creek. 2438 Comment
  SBBG59931  Rhododendron occidentale M. N. Ackley -Jun-1925 328 Placer Towle 1127 Comment
  SEINET2029693 Image available Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer Meier Ranch, about 6 miles north of Colfax 762 Comment
  CAS-BOT-BC438104  Ribes Saichi Kawahara 1969-5-24 848 Placer Near garden, Henderson Ranch, Indian Creek 1005 Comment
  JEPS127487  Ribes aureum var. aureum Steve Matson 2003-5-25 783 Placer nSNH: East ridge of Leavitt Peak, between summit and Latopie Lake. Comment
  CAS-BOT-BC108691  Ribes cereum Posey; Bethel 1920-6-5 s.n. Placer Tahoe. Comment
  CAS-BOT-BC108694  Ribes cereum Mary P. Wells 1980-9-11 s.n. Placer Sierra Nevada. Near Big Creek, opposite stable. 1950 Comment
  JEPS111154  Ribes cereum Steve Matson 2005-6-11 1249 b Placer North shore of Lake Tahoe; Lake Forest; Skylandia State Park; west edge of park; 39.1842 N, 120.1085 W; Elevation 6250 ft. 1905 Comment
  UCD74128  Ribes cereum Jennifer W. Burt 2005-7-11 61 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1986 Comment
  UCD75745  Ribes cereum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5209 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
  CAS-BOT-BC169085  Ribes inerme var. inerme A. A. Heller 1917-6-17 12718 Placer Low, grassy places along the Yuba River below Cisco 1676 Comment
  JEPS127484  Ribes inerme var. inerme Steve Matson 1997-7-25 136 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
  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
  CAS-BOT-BC219173  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  JEPS127481  Ribes nevadense Steve Matson 1998-8-21 384 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork Snow Creek; bog at western terminus of Tiger Ave dirt extension. Comment
  UC1127483  Ribes nevadense N. French 1933-9-14 102 Placer Greek Store Tahoe National Forest, Colfax Quadrangle Comment
  UC921847  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  UCD82717  Ribes nevadense Robin McMaster 1973-6-3 434 Placer Lake Spaulding. 1524 Comment
  UCSB16431  Ribes nevadense Breedlove, Dennis 1962-6-13 Placer Truckee River; 7.0 miles south of Truckee; Sierra Nevada 1828 Comment
  UC566278  Ribes roezlii N. French 1934-6-22 473 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  RSA0026923  Ribes roezlii Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon. 1463 Comment
  CAS-BOT-BC186204  Ribes roezlii var. roezlii Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe 2438 Comment
  CAS-BOT-BC186213  Ribes roezlii var. roezlii Bethel; Posey 1920-6-6 s.n. Placer Truckee Comment
  SEINET12220402  Ribes velutinum C. F. Sonne 1885-1 s.n. Placer Mt. on Truckee River Comment
  CAS-BOT-BC168777  Ribes viscosissimum Alice Eastwood 1912-6-15 457 Placer Deer Park - Lake Tahoe Region Comment
  UCD22346  Ribes viscosissimum Rex Palmer 1979-6-21 N 413 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC362920  Rigiopappus leptocladus M. E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
  JEPS53836  Rorippa curvisiliqua W. H. Shockley June 1886 Placer Auburn Comment
  CAS-BOT-BC74624  Rorippa curvisiliqua Gladys L. Smith 1977-6-16 4670 Placer Goose Meadow, Route 89, between Tahoe City and Truckee. 1828 Comment
  JEPS115005  Rorippa curvisiliqua var. orientalis Lowell Ahart 2007-11-13 14595 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
  SD81097  Rorippa nasturtium-aquaticum Darley F. Howe 1971-7-3 Placer Truckee 1830 Comment
  UC170073  Rorippa palustris Miss Helen D. Geis 1912-6 198 Placer Truckee River at lake outlet Comment
  CAS-BOT-BC74862  Rorippa subumbellata Ira L. Wiggins 1933-8-21 6786 Placer Shores of Lake Tahoe, near Tahoma. Comment
  UCR191060  Rosa bridgesii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12052 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  RSA2854  Rosa woodsii Carl B. Wolf 1931-9-10 2421 Placer Moist hollow near R.R between Tahoe Tavern and head of Truckee River. 1921 Comment
  JEPS72264  Rosa woodsii var. ultramontana Gladys L. Smith, Betsy and Norman Wilson 1972-7-6 3285 Placer Squaw Creek Squaw Valley 2438 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
  UCD17694  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 21 B Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  CDA36876  Rumex acetosella CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCD43171  Rumex acetosella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 540 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR260819  Rumex acetosella M. Kauffman 1997-5-18 20 Placer Sierra Nevada Mtns., 0.1 mile from Hwy 80 on Eagle Lakes Road 1768 Comment
  UCD44647  Rumex crispus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2013 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC433759  Rumex pulcher W. A. Weber; Lewis S. Rose 1953-5-19 8389 Placer 5 mi. n. of Roseville on road to Lincoln 45 Comment
  UCD43029  Sagina saginoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 398 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC935788  Sagittaria Malcolm A. Nobs 1948-9-25 690 -A Placer n side Auburn Comment
  UC935796  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 695 Placer Highway 40 s side Roseville Comment
  CAS-BOT-BC132674  Salix John H. Thomas; Hazelle A. Thomas 1956-7-21 6127 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC103600  Salix eastwoodiae W. R. Dudley 1900-6-1 5354 Placer between head of Independence Lake and Mt. Lola Comment
  CAS-BOT-BC103601  Salix eastwoodiae Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe region Comment
  CAS-BOT-BC103613  Salix eastwoodiae W. R. Dudley 1900-6-14 5114 Placer In valley north west of Lake Mary Comment
  RSA122642  Salix eastwoodiae B. Bolt 1934-8-22 187 Placer Head of Picayune Creek. 2287 Comment
  CAS-BOT-BC103562  Salix eastwoodiae W. R. Dudley 1900-6-14 5097 Placer East of hotel at Summit, Nevada-Placer Co. line Comment
  CAS-BOT-BC103987  Salix geyeriana W. R. Dudley 1900-6-1 5286 Placer near Independence Lake Comment
  CHSC13911  Salix geyeriana E. L. Smith 1971-6-17 973 A Placer At s end of Martis Valley ca. 11 kn se of Truckee. 1800 Comment
  CAS-BOT-BC108207  Salix hindsiana W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Comment
  CDA16980  Salix laevigata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16033 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC5021  Salix laevigata var. congesta unknown 1861-1 4632 Placer New Castle Comment
  UC477570  Salix lasiandra subsp. lasiandra L. S. Smith 1931-8-27 2626 Placer French Meadows Tahoe Nat'l Forest, French Meadows Comment
  CHSC9640  Salix lasiolepis E. L. Smith 1971-7-27 1011 Placer W end of Putt Reservoir just e of Blue Canyon Road ca. 2 mi w of Emigrant Gap. 1706 Comment
  UCD74259  Salix lasiolepis Jennifer W. Burt 2005-7-9 146 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from center of an abandoned ski run. 1870 Comment
  CDA39563  Salix lasiolepis H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 Comment
  CAS-BOT-BC124753  Salix lemmonii W. R. Dudley 1900-6-14 5014 Placer Donner Lake Meadow Comment
  CAS-BOT-BC124764  Salix lemmonii W. R. Dudley 1900-6-29 5796 Placer near Tahoe City Comment
  CAS-BOT-BC124770  Salix lemmonii W. R. Dudley 1900-6-14 5109 Placer Valley northwest of Lake Mary, near Summit Comment
  CAS-BOT-BC124771  Salix lemmonii A. A. Heller 1917-6-17 12721 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124774  Salix lemmonii W. R. Dudley 1900-6-14 5069 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
  UC847124  Salix lemmonii A. A. Heller 1917-6-19 12733 Placer Emigrant Gap 1615 Comment
  UCD22315  Salix lemmonii Rex Palmer 1979-6-21 N 416 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET11957674  Salix lemmonii E. L. Smith 1971-1 954 Placer Yuba Gap, 7 km E of Emigranat Gap 1770 Comment
  CAS-BOT-BC125065  Salix ligulifolia L. S. Smith 1931-5-22 1 Placer Tahoe National Forest, French Meadows 1828 Comment
  SBBG27424  Salix ligulifolia A. A. Heller 1917-6-19 12733 Placer Emigrant Gap 1615 Comment
  UC449849  Salix ligulifolia L. S. Smith 1931-1 3 Placer French Meadows Tahoe Nat'l Forest, American River, French Meadows 1828 Comment
  RSA31128  Salix lucida subsp. lasiandra A. A. Heller 1917-6-19 12747 Placer 5 miles W of Colfax. Comment
  JEPS86497  Salix orestera L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6579 Placer ca. 5 mi se Donner Lake (near Frog Lake, in cirque below 7889 ft rise, ca. 1.5 mi se of Chickering houses at Soda Spring (old resort)); , Frog Lake, Sherman Chickering's Soda Springs ho 2286 Comment
  UCD44457  Salix orestera C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1823 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC129085  Salix scouleriana Margaret Williams 1974-8-8 74 -P1-10 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CAS-BOT-BC129088  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer Along the Yuba river below Cisco 1676 Comment
  LA210195  Salix scouleriana A. A. Heller; 1917-6-17 12694 Placer Sierra Nevada, Yuba River below Cisco 1676 Comment
  POM107215  Salix scouleriana Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD137668  Sambucus nigra subsp. caerulea M. H. Mills 1996-4-26 169 Placer 5830 Walden Lane, Loomis. 180 Comment
  JEPS72387  Sambucus racemosa var. microbotrys Gladys L. Smith 1972-6-20 3248 Placer steep slope just below Ward Peak summit 2628 Comment
  UC148977  Sambucus racemosa var. microbotrys H. M. Hall July 1910 8726 Placer Fordyce Creek Sierra Nevada Mountains 2103 Comment
  CAS-BOT-BC235192  Sambucus racemosa var. racemosa Mrs. Marian Campbell 1920-6-28 s.n. Placer Lake Tahoe Region. Heather Lake Comment
  UCR176250  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2006-8-11 11217 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  SD243200  Sanguisorba officinalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16640 Placer Northern Sierra Nevada Mountains: Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road. 1566 Comment
  CAS-BOT-BC223279  Sanicula bipinnatifida Alice Eastwood 1912-6-28 497 Placer Colfax Comment
  UCR208551  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2009-5-11 14666 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  UC1714588  Sanicula crassicaulis C. Ritchie Bell 1952-4-19 3 X417-1 Placer 1.6 mi n of the Placer-El Dorado County Line (above California Hwy 49) Comment
  UCD21633  Sanicula graveolens Rex Palmer 1979-6-21 N 428 Placer Headwaters basin area of the North Fork of the American River. Below Tinker Knob. Comment
  SEINET11160257  Sanicula laciniata E. W. Mason 1976-3-13 s.n. Placer Along North Fork American River, E of Auburn. 305 Comment
  UCD21591  Sanicula tuberosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1254 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCR242365  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2010-7-28 16669 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UC1598738  Sanicula tuberosa Mrs. M. M. Hardy 1893-1 Placer in Placer County Placer County Comment
  CAS-BOT-BC436848  Saxifraga Saichi Kawaha 1969-7-6 1459 Placer Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  CAS-BOT-BC436879  Saxifraga John H. Thomas; Hazelle A. Thomas 1956-7-21 6136 Placer Vicinity of Donner Pass about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  UC585093  Saxifraga aprica E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1584 Placer about 3 mi e of Emigrant Gap (between main road and Nevada City Road) 1767 Comment
  UC1127643  Saxifraga bryophora N. French 1934-6-22 464 Placer Serena Lake; Tahoe National Forest, Serena Lake 2103 Comment
  JEPS82983  Saxifraga californica Patrick Elvander 1984-4-2 1022 Placer 5.1 mi on Yankee Jim Road from junction with Canyon Way (between Colfax and Foresthill off I-80); North Fork American River 1219 Comment
  UCR208271  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2009-5-7 14637 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UC186747  Saxifraga oregana C. F. Sonne 1884-8-24 Placer above Coldstream Comment
  UC114879  Saxifraga tolmiei C. F. Sonne 1892-8 Placer Tinker's Knob; Sierra Nevada Mountains, Tinker's Knob Comment
  UCD128066  Scandix pecten-veneris Lynn Gould 1962-4-14 39 Placer 0.5 mile northwest of Rocklin. Comment
  SD43660  Scandix pecten-veneris Darley F. Howe 1948-5-21 1915 Placer 455 Comment
  CHSC73483  Schoenoplectus acutus var. occidentalis L. P. Janeway; Eric Schroder 1998-9-16 6326 Placer Lake Tahoe Basin. Southwestern border of Lily Lake; head of McKinney Creek, about 2.7 mi southwest of Lake Tahoe. Neear shore of lake. 2164 Comment
  UCD21844  Scirpus congdonii Rex Palmer 1979-6-20 N 286 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS73222  Scirpus congdonii Gladys L. Smith 1972-8-25 3437 Placer meadow below cirque n face Granite Chief; n face Granite Chief 2575 Comment
  CAS-BOT-BC110996  Scirpus microcarpus Margaret Williams 1974-8-8 74 -P1-11 Placer Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  UCD38480  Scirpus microcarpus Beecher Crampton 1955-7-13 2999 Placer US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  CDA36907  Scleranthus annuus CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  UC25807  Scutellaria californica Mrs. M. M. Hardy 1893-1 Placer Comment
  SACT002075  Secale cereale D. Meyer 1983-10-22 Placer Searchlight ski run from base up to Olympic Lady chairlift. 2121.0 Comment
  CAS-BOT-BC65014  Sedum lanceolatum C. F. Sonne 1885-7-12 106 Placer Anderson's Peak and Tinker's Knob 2895 Comment
  UC191156  Sedum lanceolatum C. F. Sonne 1885-7-12 Placer Tinker's Knob Tinker's Knob (ne Placer County) 2590 Comment
  JEPS72360  Sedum obtusatum Gladys L. Smith 1972-8-25 3442 Placer Glacial stairsteps between Squaw Valley and Granite Chief; btwn Squaw Valley and Granite Chief 2133 Comment
  JEPS72364  Sedum obtusatum Gladys L. Smith 1972-6-18 3155 Placer volcanic cliff above Alpine Meadows; above Alpine Meadows 2133 Comment
  SD125412  Sedum obtusatum Beth Lowe Corbin 1982-8-10 299 Placer 1.25 mile westnorthwest of Onion Creek Campground. 1980 Comment
  CAS-BOT-BC64210  Sedum obtusatum subsp. obtusatum J. F. Emmel 1968-7-25 97 Placer E above Donner Pass Comment
  CAS-BOT-BC59068  Sedum spathulifolium Marcus E. Jones 1882-6-30 3345 Placer Emigrant Gap. Comment
  UCD102066  Sedum spathulifolium J. F. Addicott 1965-5-4 80 Placer 1 mile from Colfax on road to Owl Hill. 609 Comment
  SD95201  Sedum spathulifolium J. F. Addicott 1965-5-4 80 Placer 1.0 mile from Colfax on road to Owl Hill. 609 Comment
  CAS-BOT-BC62211  Selaginella watsonii Grant 1906-8-2 7144 Placer Glen Alpine, Lake Tahoe Comment
  UC147586  Senecio aronicoides Harriet A. Walker 1908-6-23 1224 Placer Blue Canyon 1432 Comment
  UC197295  Senecio integerrimus var. exaltatus C. F. Sonne Jun 1898 Placer W slope Washoe Mountain near Truckee 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
  JEPS126385  Senecio integerrimus var. major Steve Matson 1997-6-1 13 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. Comment
  JEPS72238  Senecio integerrimus var. major Gladys L. Smith 1972-6-20 3232 Placer from chairlift terminus to ultimate summit peak Ward Peak 2632 Comment
  UCR231843  Senecio triangularis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16795 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  CAS-BOT-BC364383  Senecio triangularis C. F. Sonne 1884-7-20 185 Placer Sierra Nevada Mts. Truckee Comment
  NY951527  Sequoiadendron giganteum D. H. Goldman 2004-11-2 2920 Placer Mosquito Ridgem Placer County Big Trees Reserve, Tahoe National Forest 1634 Comment
  UCD135238  Sequoiadendron giganteum Dennis Chang 1973-5-27 s.n. Placer Placer County Grove Sierra Redwoods, 1 mile south of Mosquito Ridge Road, 25 miles east of Foresthill. 1676 Comment
  CAS-BOT-BC243535  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Southeast corner Newcastle Road and Brenner Road, Newcastle Comment
  SACT002089  Setaria glauca D. Meyer 1984-7-9 Placer Pear and plum orchard. 206.0 Comment
  RSA252691  Setaria viridis var. major G. D. Barbe 1974-11-26 1985 Placer Fence line along Barton Road at Eureka Road, Northwest corner, East of Roseville Comment
  CDA37051  Sherardia arvensis CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA37052  Sherardia arvensis CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CAS-BOT-BC213132  Sidalcea Emily K. Mcpherson 1976-9-19 76283 Placer One mile east of Talbot Campground, open area near Middle Fork American River, Sierra Nevada 1767 Comment
  CDA15654  Sidalcea asprella G. F. Hrusa, J. Glazner 1999-7-18 15189 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UCD116589  Sidalcea calycosa Ted Niehaus 1959-5-3 99 Placer north shore of Folsom Lake at Granite Bay Park, 100 yards from lake. Comment
  POM448574  Sidalcea glaucescens Fay A. MacFadden 1934-8-10 12841 Placer Cisco. Comment
  POM153488  Sidalcea glaucescens P. A. Munz 1928-6-25 11091 Placer Tahoe Canyon, Lake Tahoe. 2073 Comment
  RSA21277  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  SD44647  Sidalcea hartwegii Darley F. Howe 1951-5-2 2107 Placer 4.0 miles north of Auburn. 456 Comment
  UCD22000  Sidalcea oregana Beth Lowe Corbin 1982-8-2 159 Placer Onion Creek campground. In cut away bank of fine, sandy, granitic soil. Perennial herb, with pink- rose flowers, and semi-spreading stems. Mostly sun. South facing slope. Uncommon. 1841 Comment
  UCD43172  Sidalcea oregana subsp. hydrophila C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 541 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CHSC74232  Sidalcea oregana subsp. spicata Susi Urie 1998-8-29 98 -158 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  UC8424  Silene californica Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD98570  Silene csereii Lester J. Berry 1969-5-15 s.n. Placer Foresthill. Charles Finning Property. Comment
  CAS-BOT-BC386977  Silene douglasii Alice Eastwood 1909-1-1 158 Placer Lake Tahoe Region, Sunnyside Comment
  CAS-BOT-BC386980  Silene douglasii H. M. Hall 1910-7-4 8742 Placer Near Cisco 1890 Comment
  CDA16822  Silene douglasii G. F. Hrusa, J. Glazner 2001-7-15 15962 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2346 Comment
  UC196525  Silene douglasii C. F. Sonne 1891-8-9 Placer on road to Tahoe canyon above Squaw Valley; Canyon above Squaw Valley on road to Tahoe Comment
  POM151490  Silene douglasii var. douglasii Katherine Brandegee s.n. Placer Donner Summit. Comment
  SEINET5337189  Silene gallica D. H. Erskine 1941-4-28 17 Placer Roseville city limits. 76 Comment
  UCD164612  Silene laciniata subsp. californica Brandi Sorensen 1995-6-1 19 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC389027  Silene laciniata subsp. californica G. Earnhart 1961-4-2 6 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  CDA11926  Silene lemmonii G. F. Hrusa, J. Dinsdale 1989-5-2 7065 Placer Sierra Nevada; Mosquito Ridge Rd, about 15 miles below Placer Redwood Grove. Comment
  SEINET5337234  Silene occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco, Upper Transition zone, in half-shaded openings in thickets. 1800 Comment
  UC311417  Silene occidentalis subsp. occidentalis Marcus E. Jones, A. M. 1882-6-30 Placer Emigrant Gap Comment
  UCR250175  Silene vulgaris George K. Helmkamp, Mary Alice Barnes 2013-5-3 20462 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SEINET3814483  Sisyrinchium bellum Marcus E. Jones 1897-7-5 Placer Prattville 1372 Comment
  SD103520  Sisyrinchium halophilum Darley F. Howe 1978-7-15 Placer Along State Highway 20, 29 miles west of Truckee. 1646 Comment
  SACT002218  Sitanion hystrix D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT002220  Sitanion hystrix D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center, near Lake shore. 1891.0 Comment
  SACT002223  Sitanion hystrix D. Meyer 1983-7-16 Placer 1853.18 Comment
  UCR146669  Sitanion hystrix Beecher Crampton 1961-9-27 6014 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 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
  RSA569206  Smilacina stellata var. sessilifolia Bonnie C. Templeton 1931-7-4 1502 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  CDA5936  Solanum dimidiatum Clark, Margaret Bellue 1945-10-11 Placer Southern Pacific yards, Roseville. 0 Comment
  CAS-BOT-BC156841  Solanum umbelliferum J. T. Howell 1943-7-25 18806 Placer West side of Donner Pass near Norden 2134 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
  RSA338635  Solanum umbelliferum Margaret J. Williams 1985-7-6 85- 63 -4 Placer Pacific Crest Trail between old and new Donner Summits. Comment
  SCFS1160  Solidago E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Cedar's Meadow. Comment
  UCR241764  Solidago altissima subsp. altissima George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19803 Placer Northern Sierra Nevada Mountains, along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  RSA122319  Solidago canadensis subsp. elongata B. Bolt 1934-8-22 186 Placer Grayhorse Flat, west of Lake Tahoe. 1982 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
  UCD44632  Solidago elongata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1998 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC365114  Solidago velutina subsp. californica Mrs. C. E. Miller 1919-1-1 s.n. Placer McKinneys, Lake Tahoe Comment
  UC1035661  Solidago velutina subsp. californica Mildred M. Enzler 1939-9-17 Placer near Applegate (Highway 40) 609 Comment
  SEINET9327121  Soliva sessilis Unknown 2002-5-27 271 Placer Shady lawn next to parking lot to American River Bike Trail to Folsom Lake State Rec Area. UTM: 10S 4285645 N, 0659288 E Comment
  CAS-BOT-BC157305  Sorbus californica Alice Eastwood 1919-1-1 314 Placer Deer Park Comment
  UC1128678  Sorbus californica N. French 1934-6-13 408 Placer Lock Leven Lake; Tahoe National Forest 2042 Comment
  CAS-BOT-BC158903  Sorbus scopulina W. R. Dudley 1909-8-7 s.n. Placer Little Bear Valley, near Dutch Flat Comment
  UCR259872  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22465 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
  CAS-BOT-BC390059  Spergularia W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  UCR229455  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 2011-7-26 17897 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-BC390676  Spergularia rubra Saichi Kawahara 1969-7-19 1552 A Placer Highway 800, 500 feet south of Nevada County Line 1889 Comment
  UCD150748  Spiranthes romanzoffiana James A. Neilson Jr. 1970-8-28 1861 Placer Tahoe Basin, Paige meadows. 2103 Comment
  UCD33482  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  CAS-BOT-BC220972  Stachys Saichi Kawahara 1969-7-6 1441 Placer At the Mel Henderson Ranch on the east bank of Indian Creek 999 Comment
  UCD43037  Stachys rigida subsp. rivularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 406 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC175328  Stellaria borealis subsp. sitchana Lewis S. Rose 1944-7-25 44263 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  UCD99342  Stellaria calycantha G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12056 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 11.1 miles northeast of Foresthill. Comment
  HSC4292  Stellaria longipes R. G. Means 1962-6-28 48 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  CAS-BOT-BC391174  Stellaria longipes subsp. longipes Alice Eastwood 1909-1-1 36 Placer Lake Tahoe Region. Sunnyside Comment
  UCD22172  Stellaria longipes subsp. longipes Rex Palmer 1979-7-9 N 452 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS14564  Stenotus acaulis Chas J. Kraebel 1955-8-3 Placer Squaw Valley 2133 Comment
  JEPS71597  Stenotus acaulis Gladys L. Smith 1972-8-25 3412 Placer West facing slope below Watson Monument, tr. to Granite Chief 2560 Comment
  UC710568  Stenotus acaulis John Thomas Howell 1943-7-26 18838 Placer Mt. Lincoln Comment
  UCD69357  Stephanomeria lactucina S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. 2100 Comment
  UCR209720  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2009-8-12 15455 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  UCR233397  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2011-8-26 18176 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  SACT002329  Stipa californica D. Meyer 1984-7-15 Placer Collected 2.2 miles from lodge. Opening in forest canopy. 1909.0 Comment
  SACT002331  Stipa californica Michael Baad 1976-8-4 Placer Collected on banks amoung rocks and in gravel beside creek. 1975.0 Comment
  SEINET7546725  Stipa lemmonii var. jonesii M. E. Jones 1882-1 3298 Placer Emigrant Gap Comment
  SACT002396  Stipa pulchra Josephine Van Ess 1977-5-16 Placer Collected just inside park area near Folsom Lake. Opening in chaparral. 176.8 Comment
  CAS-BOT-BC87413  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest. 1139 Comment
  CAS-BOT-BC87766  Streptanthus tortuosus Betty J. jorgensen 1944-7-2 513 Placer Along summit near Donner Pass. Comment
  CAS-BOT-BC87767  Streptanthus tortuosus John H. Thomas; Hazelle A. Thomas 1956-7-21 6109 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  SCFS854  Streptanthus tortuosus E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, S. side near Top Meadow. Comment
  SEINET4891940  Streptanthus tortuosus P. B. Kennedy, S. B. Doten 1901-8-15 291 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  UC1126980  Streptanthus tortuosus var. orbiculatus N. French 1934-6-22 467 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle Comment
  UC567163  Streptanthus tortuosus var. orbiculatus N. French 1934-6-6 401 Placer 1 1/4 mi nw Devil's Peak; Truckee Quadrangle 2072 Comment
  SDSU11280  Styrax officinalis var. californicus D. F. Howe 1948-5-23 1815 Placer American River 305 Comment
  JEPS81209  Styrax officinalis var. redivivus Douglas W. James Jr. 1973-5-27 119 Placer off Mosquito Ridge Road about 2 mi from Forest Hill 853 Comment
  UCD40904  Styrax officinalis var. redivivus S. Boshoren 1983-5-30 18 Placer Mosquito Ridge Road. 8.1 mi. east of Forest Hill intersection. Comment
  CAS-BOT-BC47708  Styrax redivivus G. W. Dunn s.n. Placer Auburn Comment
  SJSU2076  Styrax redivivus F. J. Santana 1958-5-10 78 Placer c. 2 mi from Auburn, Sierra Nevada foothills 426 Comment
  UCD15639  Styrax redivivus Rachelle Raymond 1989-5-20 802 Placer Forest Hill Rd. 701 Comment
  UCD22735  Styrax redivivus C. H. Pinney 1975-5-24 156 Placer 0.4 miles west of Juct Hwy 49 and Forrest Hill Rd. 609 Comment
  UCD22160  Symphoricarpos Beth Lowe Corbin 1982-8-3 199 Placer Hill west of Onion Creek Campground. 1853 Comment
  CAS-BOT-BC215295  Symphoricarpos mollis F. Almeda 1993-7-25 7302 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  JEPS59430  Symphoricarpos mollis Ezra Brainerd and Viola B. Baird 1915-7-13 150 Placer cliff opposite Bear Rock Camp; Sierra Nevada Mountains 1920 Comment
  CAS-BOT-BC97858  Symphyotrichum eatonii John Thomas Howell 1943-7-25 18814 Placer West side of Donner Pass near Norden 2133 Comment
  CAS-BOT-BC98479  Symphyotrichum spathulatum H. M. Hall 12888 Placer Summit Station 2121 Comment
  CAS-BOT-BC98485  Symphyotrichum spathulatum John Thomas Howell 1943-7-22 18702 Placer Summit Valley Comment
  CAS-BOT-BC98524  Symphyotrichum spathulatum Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City - Sierra Nevada 1981 Comment
  JEPS40836  Symphyotrichum spathulatum Rowena Beans 1914-9-7 Placer 2 mi w Tahoe Tavern Tahoe Tavern Comment
  CHSC69864  Symphyotrichum spathulatum var. spathulatum L. P. Janeway; Eric Schroder 1997-7-17 5251 Placer Meadow on southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  CHSC74203  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-4 98 -265 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CHSC74353  Symphyotrichum spathulatum var. spathulatum Susi Urie; Eric Schroder 1998-9-10 98 -317 Placer Antone meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD44631  Symphyotrichum spathulatum var. spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1997 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SEINET9351775  Symphyotrichum spathulatum var. spathulatum Unknown 2000-7-1 15613 Placer Placer Comment
  UCR208557  Taraxacum officinale George K. Helmkamp, E. A. Helmkamp 2009-5-11 14657 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  UCSB27352  Taxus brevifolia Havlik, Neil 1969-8-25 Placer On Gaddis Creek, east of Gerogetown Comment
  CAS-BOT-BC392399  Thalictrum fendleri Alice Eastwood 1909-1-1 122 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC392406  Thalictrum fendleri John H. Thomas; Hazelle A. Thomas 1956-7-21 6177 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC1602384  Thalictrum fendleri Katharine Brandegee Placer Donner Comment
  UC9691  Thalictrum fendleri C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UC495495  Thalictrum fendleri Merle Randall 1930-6-17 Placer above Cisco (w of Donner Lake); Big Bend Ranger Sta. 1767 Comment
  UCD43892  Thalictrum sparsiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1258 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  RSA693557  Thelypteris nevadensis May N. Ackley 1925-06 64 Placer Near Towle Comment
  UC1585846  Thysanocarpus curvipes Barbara Ertter with David Thompson 1989-4-9 8194 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-BC67323  Thysanocarpus radians M. K. Curran 1884-1-1 s.n. Placer Roseville. Comment
  OBI82263  Torilis arvensis George K Helmkampf, Mary Alice Barnes 2013-5-3 20492 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
  UCR218236  Torilis arvensis George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16443 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  UCR249596  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20813 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CDA5466  Torilis nodosa T. C. Fuller 1959-5-2 2415 Placer Warren Wilson property, Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  CHSC45227  Torreya californica Lowell Ahart 1972-4-1 80 Placer Along the north side of Mosquito Ridge Road, about 8 miles east of Forest Hill. 1219 Comment
  UCD93190  Torreyochloa pallida var. pauciflora A. A. Heller 1917-8-13 12881 Placer Placer County. 2118 Comment
  CAS-BOT-BC172899  Toxicodendron diversilobum J. M. Ogawa 1952-5-8 s.n. Placer North of Loomis 121 Comment
  UCD22063  Toxicoscordion venenosum var. venenosum Beth Lowe Corbin 1982-8-9 280 Placer 1/3 mile SW of Onion Creek Campground. 1856 Comment
  UCD21793  Tragopogon dubius Beth Lowe Corbin 1982-8-13 348 Placer 1/4 mile W of The Cedars. 1737 Comment
  UCD43119  Tragopogon dubius C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 487 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR253575  Tragopogon porrifolius George K. Helmkamp, Amy Barnes 2014-4-23 22801 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
  CDA4736  Tribulus terrestris Margaret Bellue, F. Clark 1945-10-11 Placer Roseville. 0 Comment
  UCR257640  Trichostema lanceolatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20016 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  UCD125881  Trichostema oblongum J. M. Tucker 1975-7-28 4352 Placer Ca. 100 yards west of the road in to 'The Cedars', private holding on the upper North Fork of the American River, ca. 6 miles (airline) south of Soda Springs (Nevada County). 1798 Comment
  SD62087  Trientalis latifolia Darley F. Howe 1965-5-21 4061 Placer Canyon, north side of American River between Forest Hill and Yankee Jims 914 Comment
  SDSU9873  Trientalis latifolia D. F. Howe 1965-5-21 4061 Placer Canyon on south side of fork of American River between Forest Hill & Yankee Jims. 914 Comment
  CAS-BOT-BC227704  Trifolium ciliolatum G. K. Helmkamp; E. A. Helmkamp 2007-5-18 12019 Placer Northern Sierra Nevada Mountains Foothills: along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  OBI78204  Trifolium cyathiferum Lewis S. Rose 1940-6-1 40447 Placer Truckee River, 10 mi N of Tahoe City 1829 Comment
  CDA18398  Trifolium dubium G. D. Barbe, P. Hiatt 1980-6-3 2790 Placer Sierra Nevada; Hwy 49 at Rio Oso Rd., north of Auburn, at Placer Co line/Nevada Co. line. Comment
  UCD39210  Trifolium dubium Beecher Crampton 1953-5-26 1341 Placer 2 miles N of Lincoln, Chamberlain Ranch. Comment
  CDA37045  Trifolium glomeratum CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CHSC96481  Trifolium glomeratum Lowell Ahart; Brian Williams 2007-4-13 13645 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
  CDA37246  Trifolium hirtum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC1278008  Trifolium hirtum B. Crampton 1957-5-7 3993 Placer 2 mi n Lincoln (along US Hwy 99E) Comment
  UCD111201  Trifolium hirtum M. H. Mills 1996-4-21 161 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCR188845  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2007-3-25 11712 Placer Foothills, Northern Sierra Nevada Mountains, Forest Hill Road at the junction with the unnamed road to Lake Clementine 457 Comment
  SD6082  Trifolium longipes Unknown Jun 1914 Placer Cisco Comment
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Jul 11 2010
  UCD36424  Trifolium longipes Beecher Crampton 1953-7-21 1534 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  UCD43027  Trifolium longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 396 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  RSA537541  Trifolium microcephalum Barbara Ertter 1989-4-8 8161 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UCD75818  Trifolium monanthum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5172 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail by creek. 2145 Comment
  SEINET12157230  Trifolium monanthum C. F. Sonne 1884-1 59 Placer Canyon above Coldstream Comment
  JEPS59434  Trifolium monanthum var. monanthum Ezra Brainerd and Viola B. Baird 1915-7-25 154 Placer above Inn (Deer Park); Sierra Nevada Mtns 2133 Comment
  UC147624  Trifolium pratense Miss Harriet A. Walker 1908-6-27 1335 Placer Blue Canyon 1432 Comment
  UCR260068  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22417 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  CAS-BOT-BC230183  Trifolium productum Kellogg No date on label s.n. Placer Cisco Comment
  UCD22005  Trifolium productum Beth Lowe Corbin 1982-8-17 361 Placer 2 2/3 miles WSW of The Cedars. In grassy area of White Fir forest. Flowers pale pink purple, with darker purple banner, white keel. Perennial. Partial sun. N facing slope, 10% incline. Common. 1935 Comment
  CHSC74093  Trifolium repens Susi Urie 1998-8-25 98 -094 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCR253131  Trifolium subterraneum George K. Helmkamp, Amy Barnes 2014-4-23 22811 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  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
  JEPS127437  Trifolium wormskioldii Steve Matson 2003-6-29 817 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  POM182474  Trifolium wormskioldii Katherine Brandegee 1911-07 s.n. Placer Tahoe Tavern. Comment
  UC147565  Trillium albidum Harriet A. Walker 1908-6-24 1259 Placer Blue Canyon Comment
  CAS-BOT-BC519122  Trillium albidum Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  POM260064  Trillium chloropetalum var. giganteum C. L. Hitchcock 1940-5-7 6306 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC516750  Triphysaria eriantha George K. Helmkamp; Amy Barnes 2013-3-28 20285 Placer Eastern Sacramento Valley: along 10th St/Ranch House Rd, 0.6 mi S of its jct with Riosa Road in Sheridan 43 Comment
  UCR231892  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2011-4-10 17143 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  SACT002432  Trisetum canescens D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  UCR235592  Trisetum canescens George K. Helmkamp, E. A. Helmkamp 2012-5-5 18925 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
  CAS-BOT-BC193496  Trisetum cernuum Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca. 3 mi. S of French Meadow - Sierra Nevada 1600 Comment
  CHSC79894  Trisetum projectum G. F. Hrusa; J. Glazner 1999-7-18 15195 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89 and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  UCD74230  Trisetum spicatum Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 207 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2151 Comment
  SACT002465  Trisetum wolfii Michael Baad 1976-8-7 Placer Junction of Bear Lake Trail with Barker Creek to the Rubicon Trail 2316.48 Comment
  SD236128  Triteleia hyacinthina G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13295 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36