Search Results — 2000 specimen records retrieved (1623 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78090  Abies magnifica Carl B. Wolf 1930-10-10 1726 Placer Coldstream Canyon, 5 miles from Truckee 1981 Comment
  JEPS47992  Abies magnifica var. magnifica J. C. Hawver 1908-9-1 Placer Donner Comment
  SBBG10743  Acer glabrum E. R. Blakley 1960-8-3 3799 Placer 0.5 mi W of Carnelian Bay, Lake Tahoe 2011 Comment
  UCD22100  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA749179  Acer glabrum var. torreyi James R. Shevock 1985-8-9 11337 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  UCD15171  Acer macrophyllum Phyllis Adams 1982-5-15 49 Placer California, Placer Co.; in the American River Canyon; Comment
  UCD32814  Achnatherum lemmonii Beecher Crampton 1964-7-21 7125 Placer Placer County, one mile east of Cisco Grove, old US Hwy. 40. Comment
  UCD50463  Achnatherum lemmonii G. L. Stebbins Jr. 1941-7-16 3175 Placer Rocky ledges along U.S. Highway no. 40, 1 mile west of Cisco Grove. Placer County. 1706 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
  SEINET232544 Image available Achnatherum nelsonii subsp. dorei Mary E. Barkworth, L Firestone 1987-8-20 4011 Placer Campground 0.7 mi south of I-80 to tahoe City; interchange at Truckee Comment
  CAS-BOT-BC216874  Achnatherum occidentale John Thomas Howell 1943-7-25 18808 A Placer W side Donner Pass near Norden 2133 Comment
  CAS-BOT-BC210835  Achnatherum occidentale subsp. californicum L. R. Abrams 1927-9-13 12161 Placer Lincoln Highway near Emigrant Gap Comment
  CDA15991  Achnatherum occidentale subsp. californicum G. F. Hrusa, J. Glazner 1999-7-17 15184 b Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD22218  Achnatherum occidentale subsp. californicum Beth Lowe Corbin 1982-8-12 336 Placer 1/3 mile NE of Onion Creek Campground. SW facing slope, 15% incline. Common. Partial sun. In organic, fine, sandy soil in opening in white fir forest. Perennial forming moderately small bunches. 1905 Comment
  UCR241743  Achnatherum occidentale subsp. californicum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19220 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  SACT000022  Achnatherum occidentale subsp. occidentale James Grove 1977-7-15 Placer 2000.0 Comment
  UCD74156  Achnatherum occidentale subsp. occidentale Jennifer W. Burt 2005-7-9 24 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from center of an abandoned ski run. 1870 Comment
  CDA13721  Achnatherum stillmanii G. F. Hrusa, B. Meese 1997-5-26 13791 Placer Sierra Nevada; Italian Bar Trail, to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. Comment
  CHSC40962  Achnatherum stillmanii J. D. Jokerst 1984-6-23 2067 Placer In canyon of the Middle Fork American River. 1158 Comment
  UC573831  Achnatherum stillmanii B. Bolt 1934-7-17 175 Placer 1/2 mi s Walker Mine; Tahoe National Forest, Truckee Quadrangle Comment
  RSA43802  Achyrachaena mollis D. F. Howe 1948-5-21 s.n. Placer [Unspecified] 457 Comment
  CHSC81785  Acmispon americanus var. americanus Lowell Ahart 2001-10-10 9346 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  SEINET5327600  Acmispon americanus var. americanus W. D. Billings 1951-7-28 2134 Placer [Sierra Nevada] 20 mi. S. of Soda Springs. Comment
  CAS-BOT-BC204856  Acmispon argophyllus var. fremontii Marcus E. Jones 1882-7-3 3338 Placer Colfax Comment
  UCD104046  Acmispon brachycarpus Beecher Crampton 1977-4-3 9465 Placer 3.5 miles north of Auburn just east of Elder's Corner, along Dry Creek Road. Comment
  UCD22074  Acmispon nevadensis Rex Palmer 1979-7-26 N 833 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD38505  Acmispon nevadensis var. nevadensis Beecher Crampton 1955-7-13 3002 Placer Flats and slopes along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  SEINET5327439  Acmispon nevadensis var. nevadensis P. A. Lehenbauer 1934-6-10 s.n. Placer [Sierra Nevada] Tahoe City Comment
  UCD41258  Acmispon parviflorus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1715 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UCD22174  Aconitum columbianum Rex Palmer 1979-7-10 N 530 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD44511  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1877 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET5337521  Aconitum columbianum A. A. Heller 1909-7-16 9849 Placer Summit. 2134 Comment
  CHSC84702  Aconitum columbianum var. columbianum L. P. Janeway; B. Castro 2003-8-23 7965 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
  CAS-BOT-BC412608  Aconogonon alaskanum Alice Eastwood 1909-1-1 37 Placer Lake Tahoe Region. Sunnyside Comment
  UCD22143  Aconogonon davisiae Rex Palmer 1979-7-11 N 565 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET3860417 Image available Adiantum jordanii George K. Helmkamp, Mary Alice Barnes; Mary Jane Ganibe 2010-7-2 16437 Placer Sierra Nevada Mountains Foothills: Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way Colfax.; 0 415 Comment
  UCR173254  Adiantum jordanii George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10451 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  SEINET5338310  Adiantum pedatum P. B. Kennedy 1901-8-21 427 Placer Talbots Home Camp, 7 miles from French Meadows Cal. Comment
  UCD51602  Aegilops triuncialis B. Crampton 1955-5-27 2815 Placer 5-6 miles northwest of Roseville. Comment
  UC86229  Ageratina occidentalis C. F. Sonne 1894-9-2 Placer mountain summits above Summit Station; The Sierra Nevada Mountains 2438 Comment
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Aug 2 2009
  UCD21769  Ageratina occidentalis Beth Lowe Corbin 1982-8-13 338 Placer 1 1/3 mile SSW of Onion Creek campground. 1645 Comment
  CDA36901  Agoseris glauca CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  CDA15945  Agoseris grandiflora G. F. Hrusa, J. Glazner 1999-7-17 15154 a Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SD113167  Agoseris heterophylla S. F. Blake 1951-5-5 2174 Placer Placer Co. 455 Comment
  SD113171  Agoseris retrorsa Darley F. Howe 1948-5-23 1853 Placer American River 305 Comment
  CAS-BOT-BC13324  Agoseris retrorsa L. S. Smith 1926-5-25 1835 Placer Tahoe National Forest. Mosquito Ridge below Dollar Camp Comment
  SACT000042  Agropyron desertorum D. Meyer 1984-5-27 Placer meadow surrounded by sagebrush type vegetation Comment
  UCD51686  Agropyron desertorum Beecher Crampton 1974-10-24 9096 Placer 1 mile west of Colfax. 762 Comment
  SACT000056  Agropyron riparium Michael Baad 1976-7-14 Placer Glaucous. 1.3 miles along road from Forest Hill Divide to Secret Canyon. Open brushy slope. 1554.48 Comment
  SACT000069  Agropyron trachycaulum D. Meyer 1983-7-30 Placer Moist areas on both sides of road 2072.64 Comment
  SACT000071  Agropyron trachycaulum Michael Baad 1983-7-23 Placer Boggy meadows along road 1828.8 Comment
  JEPS22879  Agrostemma githago Donald E. Vermeer 1959-5-2 13 Placer on U.S. Highway 40, 5 mi w Auburn 274 Comment
  SEINET10792272  Agrostis diegoensis A. Arthur Heller 1917-8-13 Heller 12897 Placer Base of a cliff north of Summit hotel, the surrounding forest composed of Abies magnifica. 2164 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
  CHSC74331  Agrostis exarata Susi Urie 1998-9-3 98 -227 Placer Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 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
  SACT000101  Agrostis exarata D. Meyer 1984-7-29 Placer French Meadows roadside of reservoir. Moist shady north facing slope. 1612.0 Comment
  UCR146665  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Sierra Nevada Mountains, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road 427 Comment
  JEPS103489  Agrostis idahoensis Lowell Ahart 2002-7-22 9906 Placer Along a drainage, ca 40 yards NW of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1774 Comment
  RSA129599  Agrostis idahoensis B. Bolt 1934-8-14 175 Placer E. slope of Red Star Ridge 1768 Comment
  SACT000185  Agrostis idahoensis D. Meyer 1983-7-30 Placer Moist areas on both sides of the road. 2072.64 Comment
  SEINET4691428  Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2010-1 16380 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  UCD43997  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1363 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD52993  Agrostis idahoensis Lewis S. Rose 1944-7-26 44273 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  UCD52995  Agrostis idahoensis B. Crampton 1955-7-13 2992 Placer Mountain slopes above US Hwy. 40, 3.5 miles east of Baker. 1432 Comment
  SBBG115650  Agrostis microphylla B. Crampton 1957-5-7 3998 Placer ca. 1.7 mi E of Lincoln, rd to Newcastle Comment
  UCD53071  Agrostis microphylla var. intermedia Beecher Crampton 1957-5-7 3998 A Placer 1.7 miles east of Lincoln on the road to Newcastle. Comment
  UCD22260  Agrostis pallens Rex Palmer 1979-7-26 N 815 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD53260  Agrostis pallens B. Bolt 1934-7-17 135 Placer 1/2 mi. S.W. of Walker Mine. Comment
  CAS-BOT-BC138721  Agrostis scabra E. R. Blakley 1960-9-3 3808 Placer King's Beach, Lake Tahoe. 1903 Comment
  SACT000165  Agrostis scabra D. Meyer 1984-7-8 Placer Road to reservoir, roadside 1758.0 Comment
  SACT000170  Agrostis scabra D. Meyer 1984-9-9 Placer 1406.0 Comment
  UCD36712  Agrostis scabra Beecher Crampton 1955-7-13 2997 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD53345  Agrostis scabra B. Bolt 1934-8-14 173 Placer E. slope of Red Star Ridge. 1767 Comment
  SACT000174  Agrostis semiverticillata Josephine Van Ess 1976-5-12 Placer streamside, wet 91.5 Comment
  SACT000196  Agrostis stolonifera var. major D. Meyer 1984-8-26 Placer 1818.0 Comment
  SACT000202  Agrostis stolonifera var. major Michael Baad 1976-8-4 Placer Picayune Trail at end of Jeep road, two miles east of Talbot Camp, ne of mildred ridge 1975.0 Comment
  SACT000240  Agrostis thurberiana D. Meyer Placer On road 30 miles from Sevene Lakes Lodge 1909.0 Comment
  SACT000244  Agrostis variabilis D. Meyer 1983-10-22 Placer Squaw Valley Ski Resort, Searchlight ski run, from base up to Olympic Lady Chairlift, straw added for erosion control 2121.0 Comment
  SACT000248  Agrostis variabilis D. Meyer 1984-7-15 Placer 1909.0 Comment
  UC143950  Agrostis variabilis C. G. Pringle 1882-9-22 Placer Summit Valley Sierra Nevada Mountains, Summit Valley 2438 Comment
  UCD32809  Agrostis variabilis Beecher Crampton 1964-7-21 7119 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. Comment
  UCD53716  Agrostis variabilis B. Crampton 1953-7-21 1537 Placer Harrison Flat road, 1 mile south of Soda Springs. 2133 Comment
  UCD53773  Agrostis variabilis E. Wilson 1935-7-7 s.n. Placer Emigrant Gap. Comment
  SACT000228  Aira caryophyllea D. Meyer 1983-5-15 Placer 36.6 Comment
  SACT000236  Aira caryophyllea Michael Baad 1983-4-17 Placer Descending to Middle Fork of American River 411.48 Comment
  UCD55729  Aira caryophyllea A. A. Beetle 1941-5-26 2710 Placer Near Cisco. 914 Comment
  CAS-BOT-BC138376  Aira caryophyllea var. caryophyllea Peter H. Raven 1954-4-16 6605 Placer 7 miles south of Lincoln on road to Roseville. Comment
  CAS-BOT-BC445326  Alisma lanceolatum L. R. Abrams 1917-9-15 6760 Placer 3-5 mi above Auburn Comment
  RSA123619  Allium campanulatum Milo S. Baker 1931-5-31 5340 Placer Highway 40, 1 1/2 miles west of Big Bend Ranger Station. Comment
  JEPS106452  Allium jepsonii Barrett Anderson 2003-6-22 4893 Placer 1340 ft; NE corner of the intersecton of Dry Creek Road and Blue Grass Drive, approx. 0.8 mi E of Hwy 49. Serpentine outcrop with a seep. 408 Comment
  SCFS1194  Allium obtusum E. Krimmel 2014-4-21 Placer Pt. Mariah Comment
  JEPS111204  Allium obtusum var. obtusum Steve Matson 2005-7-1 1342 Placer near Sierra Crest southwest of Donner Summit and Serene Lakes along road to Palisades Lake, 39.3087 N, 120.4133 W; elevation 6,680 ft. 2036 Comment
  UC188737  Allium platycaule C. F. Sonne July 1887 Placer near Truckee River Comment
  UC566211  Allium platycaule N. French 1934-6-22 458 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2286 Comment
  UCD128390  Allium platycaule Albert Grigarick 2012-7-9 337 Placer Sugar Bowl resort, on ridge with Judah Lift, W of Judah Peak Trail 30 yd, on W side. 2490 Comment
  CHSC40964  Allophyllum divaricatum J. D. Jokerst 1984-6-19 2059 Placer North of Long Canyon Cr, E of Blacksmith Flat. 1127 Comment
  UC880192  Allophyllum gilioides subsp. violaceum A. A. Heller 1917-8-13 12900 Placer base of cliff n. of Summit hotel 2164 Comment
  SEINET14440331  Allophyllum integrifolium B. Bolt 1934-7-10 93 Placer 2 miles S of Huysink Lake. Comment
  SBBG1283  Alnus incana subsp. tenuifolia E. R. Blakley 1960-9-3 3820 Placer Kings Beach, Lake Tahoe 1905 Comment
  UCD43246  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 615 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  RSA452774  Alnus rhombifolia Wm. Martin 1971-9-10 20228 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  UCD110001  Alnus rhombifolia Beecher Crampton 1960-11-2 5795 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  SACT002786  Alnus tenuifolia Michael Baad 1976-7-17 Placer 0.5 mile east of Five Lakes and 1.5 miles west of Alpine Medows Ski Area. OPen slopes of eroded granite. 2133.0 Comment
  UCD74172  Alopecurus pratensis Jennifer W. Burt 2005-7-11 148 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
  UCD150261  Amaranthus albus James A. Neilson Jr. 1971-9-9 2601 Placer Placer: Tahoe City Nursery (McBride's Nursery). 1905 Comment
  SJSU11705  Ambrosia artemisiifolia C. T. Osugi 1969-10-4 86 Placer Loomis, 21 miles NE of Sacramento Comment
  CAS-BOT-BC136696  Amelanchier alnifolia var. pumila Frances Price 1919-1-1 s.n. Placer Tahoe Comment
  UC567083  Amelanchier alnifolia var. pumila N. French 1934-5-31 391 Placer Texas Hill; Colfax Quad. 1615 Comment
  CAS-BOT-BC136768  Amelanchier utahensis Grant 1906-7-15 6937 Placer Tahoe Tavern, Lake Tahoe Comment
  LA204917  Amorpha californica var. californica H. M. Hall; F. M. Essig 1916-6-5 10159 Placer Sierra Nevada, Bear River at Gautier Bridge, N of county, on W slope of the Sierra Nevada 400.0 Comment
  SD241775  Amsinckia intermedia G. K. Helmkamp, E. A. Helmkamp 2010-4-17 15895 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area. 305 Comment
  UC79476  Amsinckia intermedia Katharine Brandegee May 1883 Placer between Salmon Falls and Auburn; Alabaster Cave Comment
  CHSC96507  Amsinckia menziesii Lowell Ahart; Brian Williams 2007-4-13 13635 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  RSA755619  Amsinckia menziesii var. menziesii George K. Helmkamp, E. Helmkamp 2009-4-22 14581 Placer Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  CDA37237  Anagallis arvensis CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR123376  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 1999-6-29 5055 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  UCD77512  Anagallis minima Robert E. Preston 2002-4-26 1786 Placer Ca. 2.7 mi s of Lincoln, in field w of Industrial Ave 36 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
  JEPS22815  Anaphalis margaritacea N. French 1934-6-22 469 Placer Serena Lake 2407 Comment
  SEINET9359457  Anaphalis margaritacea Unknown 2000-9-3 15661 A Placer Placer Comment
  UCD36119  Andropogon virginicus Beecher Crampton 1952-11-9 919 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  CAS-BOT-BC137793  Andropogon virginicus var. virginicus Beecher Crampton 1957-3-28 3911 Placer Base of the retainning wall of Folsom Lake along the road to Auburn, 3.5 miles northeast of Folsom. Comment
  CAS-BOT-BC137794  Andropogon virginicus var. virginicus Beecher Crampton 1955-5-7 3999 Placer Roadbank, along US Highway 40, about 3 miles east of Auburn. Comment
  POM99994  Anemone drummondii Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  UC1122888  Angelica breweri B. Bolt 1934-8-21 184 Placer 1 mi se of Johnson's Monument (Tahoe National Forest); Tahoe National Forest 2225 Comment
  UCD127133  Angelica breweri G. 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 E of the Nevada County border. 2151 Comment
  CAS-BOT-BC63971  Antennaria argentea C. F. Sonne 1885-6-14 161 Placer Tahoe City Comment
  CAS-BOT-BC63975  Antennaria argentea Alice Eastwood 1909-1-1 71 Placer Sunnyside Comment
  JEPS126322  Antennaria dimorpha Steve Matson 1998-8-12 319 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; about 600 yards south of Highway 267, 100 yards west of Golf Course Creek. Comment
  JEPS111289  Antennaria geyeri Steve Matson 2005-7-4 1370 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  UCD21687  Antennaria rosea Rex Palmer 1979-6-20 N 309 Placer Headwaters basin area of the North Fork of the American River Comment
  UC790982  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer near Cisco 914 Comment
  UCD36703  Anthoxanthum odoratum Beecher Crampton 1955-7-13 2985 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SEINET3157162  Apocynum androsaemifolium W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  SEINET12328858  Apocynum pumilum J. H. Nishida 1985-1 772 Placer Homewood: Red Fir Forest 1829 Comment
  CAS-BOT-BC397898  Aquilegia formosa Mrs. M. M. Hardy 1893-1-1 s.n. Placer Placer County Comment
  CAS-BOT-BC397904  Aquilegia formosa S. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  SD241936  Aquilegia formosa George K Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19797 Placer Northern Sierra Nevada Mountains: along Forest Hill Road at junction with Hidden Treasure Road, ca. 0.4 mile NE of Sugar Pine Road (Michigan Bluff 7.5'Q) 1384 Comment
  UCR561  Aquilegia formosa Frank C. Vasek 1955-6-29 264 Placer Sierra Nevada Mountains, Sugar Bowl, near Donner Pass [ski area, c. 1 mi. east of Lake Van Norden] 2141 Comment
  CAS-BOT-BC397903  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 Quadrangle, R11E T15N 1139 Comment
  RSA569052  Aquilegia formosa var. truncata Bonnie C. Templeton 1931-7-4 1505 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  SD237383  Arabidopsis thaliana G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15929 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls Crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  SEINET3245989  Arabidopsis thaliana G. K. Helmkamp, E. A. Helmkamp 2010-1 15929 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 48 Comment
  RSA0029334  Arabis John F. Emmel 1991-6-25 1184 Placer Sierra Nevada, Lake Tahoe region. Ward Creek. 2024 Comment
  SEINET5340569  Arabis oregana C. Bailey, Hugh N. Mozingo 1979-3-31 33 Placer Auburn area, New Forest Hill road, 5.8 miles east of Jct. of New and Old Forest Hill Rd. 792 Comment
  RSA0129050  Arabis platysperma L. S. Rose 1944-7-12 44095 Placer Chamber Lodge, Lake Tahoe. 1921 Comment
  POM94623  Arabis rectissima Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UC1601421  Arabis rectissima var. rectissima Katharine Brandegee Placer Tahoe Tavern Comment
  CDA5523  Araujia sericifera Clark Aug 1937 Placer Near Auburn. 0 Comment
  CAS-BOT-BC409996  Arceuthobium campylopodum Catherine Best 1985-9-15 1151 Placer edge of Sugar Pine Reservoir, about 6 miles N of Foresthill 1158 Comment
  CAS-BOT-BC24152  Arctostaphylos Saichi Kawahara 1969-5-25 1015 Placer Top of ridge E of house. Mel Henderson Ranch, E bank of Indian Creek, Dutch Flat Quadrangle 1036 Comment
  UCR241358  Arctostaphylos manzanita George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19817 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  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-BC24245  Arctostaphylos mewukka L. R. Abrams 1910-7-1 4992 Placer Near Blue Canyon on Union Pac. R.R. Comment
  CAS-BOT-BC40044  Arctostaphylos nevadensis A. A. Heller 1917-6-17 12695 Placer Near the Yuba river below Cisco. 1676 Comment
  UC682104  Arctostaphylos nevadensis G. L. Stebbins Jr. 1942-9-1 3335 Placer along Southern Pacific railroad track 1/2 mi s Blue Canyon Station 1390 Comment
  UC82952  Arctostaphylos patula Katharine Brandegee 1889-7-1 Placer Blue Canyon Comment
  UCD21477  Arctostaphylos patula Rex Palmer 1979-5-27 N 64 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC47051  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11123 Placer Colfax. Comment
  CAS-BOT-BC47055  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1930-10-11 1733 Placer Near Alta. 1127 Comment
  CAS-BOT-BC47058  Arctostaphylos viscida subsp. viscida Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat. Comment
  CAS-BOT-BC47064  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer Sierra Nevada, 1 mi. w. of Colfax. 658 Comment
  JEPS38757  Arctostaphylos viscida subsp. viscida Margaret A. Kelley 1922-5-30 Placer Georgetown Comment
  RSA252141  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer 1 mi W. of Colfax. 659 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
  RSA637022  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24913 Placer Forest Hill Road, 13 km west of Forest Hill, northeast of Auburn. 590 Comment
  RSA637024  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24920 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  UC82995  Arctostaphylos viscida subsp. viscida Katharine Brandegee June 1889 Placer Blue Canyon Comment
  UC852282  Arenaria congesta var. suffrutescens Marcus E. Jones 1882-6-28 3278 Placer Emigrant Gap Comment
  UC852450  Arenaria congesta var. suffrutescens A. A. Heller 1917-6-19 12741 Placer Emigrant Gap 1615 Comment
  CDA24000  Arenaria kingii var. glabrescens K. Stark 1994-8-17 Placer Martis Peak, Tahoe National Forest. 0 Comment
  UCR191073  Arenaria serpyllifolia George K. Helmkamp, E. A. Helmkamp 2007-5-23 12056 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 11.1 miles northeast of Foresthill 1463 Comment
  SEINET11695830  Aristida oligantha Unknown 1961-9-27 5995 Placer 1 mi W of Auburn, along US 40 Comment
  SBBG61533  Aristolochia californica E. Flint 1931-2-21 1297 Placer Auburn ravine 304 Comment
  CHSC74190  Arnica chamissonis Susi Urie; Eric Schroder 1998-9-11 98 -345 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  JEPS127457  Arnica chamissonis Steve Matson 1998-5-27 321 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters south of Highway 267, south of Martis Creek. Comment
  CDA12432  Arnica cordifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8504 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC468965  Arnica cordifolia Miss Helen D. Geis Jun 1 1912-Jul 1 1912 38 Placer Deer Park Comment
  CAS-BOT-BC82318  Arnica cordifolia John Thomas Howell 1938-8-2 13997 Placer 5 miles n. of Brockway Comment
  CAS-BOT-BC82653  Arnica latifolia Alice Eastwood 1909-1 276 Placer Ward Pass, Lake Tahoe Region Comment
  UC159242  Arnica mollis Miss Harriet A. Walker 1910-6-18 2020 Placer on road to Deer Park 1981 Comment
  UC29592  Arnica mollis Miss M. E. Parsons 1896-8-1 Placer Deer Park, (Lake Tahoe) Comment
  UCD21690  Arnica parryi Beth Lowe Corbin 1982-8-17 360 Placer 2 2/3 miles WSW of The Cedars. 1935 Comment
  UC1190075  Artemisia arbuscula George H. Ward and Ann Ward 1949-9-12 948 Placer ca. 8 mi n of Tahoe City (along Truckee River); Truckee River Comment
  JEPS126300  Artemisia douglasiana Steve Matson 1998-9-1 398 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  SEINET6775388 Image available Artemisia douglasiana P. B. Kennedy, S. B. Doten 1901-8-19 420 Placer 7 miles from French Meadows, Talbot's Home Camp Comment
  UC128211  Artemisia douglasiana Miss Harriet A. Walker 1397 Placer near Yuba River (Cisco) 1524 Comment
  CAS-BOT-BC90717  Artemisia ludoviciana subsp. incompta John Thomas Howell 1943-7-26 18856 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  UCD129333  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer Base of a cliff north of Summit hotel. 2164 Comment
  CDA12005  Asclepias cordifolia G. F. Hrusa 1995-5-2 12186 Placer Sierra Nevada; Approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  SDSU2521  Asclepias cordifolia D. R. Harvey 1960-5-29 Placer Near Forest Hill Comment
  UCD121253  Asclepias cordifolia Al Franklin 1987-5-1 87 -7 Placer 1.3 miles east of I-80 on Foresthill Road, just outside Auburn, east side of N. Fork American River Canyon. 396 Comment
  SEINET10928326  Asclepias cordifolia Marcus E. Jones 1882-6-30 Jones 2802 Placer Emigrant Gap Comment
  CAS-BOT-BC69578  Aspidotis densa C. F. Sonne 1886-7-5 321 Placer Sierra Nevada Mts., above Summit Station. Comment
  CAS-BOT-BC69580  Aspidotis densa Geo. B. Grant 1906-7-20 s.n. Placer Lake Tahoe, Sierra Nevada Mts. 2438 Comment
  SCFS11529135  Aspidotis densa E. Krimmel, F. Felix 2012-9-13 Placer NFAm, on trail. Tucked around rocks in shallow ravine. Comment
  UC1874971  Aspidotis densa Ruth Kirkpatrick 2001-7-16 1062 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  CDA16048  Aster breweri G. F. Hrusa, J. Glazner 2000-9-3 15664 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CDA15960  Aster integrifolius G. F. Hrusa, J. Glazner 1999-7-17 15132 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA747125  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14031 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCR231862  Aster oregonensis George K. Helmkamp, E. A. Helmkamp 2010-10-16 17024 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  SCFS1043  Asteraceae E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  CDA26606  Astragalus austiniae Jim Jokerst 1986-7-13 2732 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, just below the summit of Needle Peak. 0 Comment
  CAS-BOT-BC192930  Astragalus purshii var. lectulus L. S. Smith 1938-7-22 2795 Placer Tahoe National Forest. Near Ice Lakes - road from Soda Spgs. 2133 Comment
  UCD105487  Astragalus whitneyi S. S. Smith 1916-6 442 Placer Near Timber Squaw Valley. Comment
  SEINET10737813 Image available Astragalus whitneyi var. lenophyllus Charles F. Sonne Sonne 65 Placer Tinker's Knob, Truckee. 2743 Comment
  CHSC118009  Asyneuma prenanthoides G. K Helmkamp; E. A Helmkamp 2008-9-15 14114 Placer Northern Sierra Nevada Mountains: along Foresthill Road 20 miles northeast of the city of Forest Hill. 1707 Comment
  UCD66893  Asyneuma prenanthoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon. Tahoe National Forest. 1550 Comment
  UC197899  Athyrium distentifolium var. americanum C. F. Sonne Aug. 1887 Placer above Coldstream Mt Anderson Comment
  RSA693559  Athyrium filix-femina subsp. cyclosorum Elizabeth Flint 1923-1 60 Placer Blue Canyon, along stream 1372 Comment
  UCD136285  Athyrium filix-femina var. californicum Beecher Crampton 1972-6-20 8826 Placer From Bear Valley, State Highway 20 east. 1402 Comment
  SACT000357  Avena barbata D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  SACT000364  Avena barbata Michael Baad 1977-6-8 Placer on Ralston Ridge Road 487.68 Comment
  SACT000368  Avena barbata D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  SEINET5336143  Avena barbata J. Solaegui 1977-3-19 s.n. Placer 3 mi. E of Auburn on Rt. 49 on dirt road immediately N of Highway 274 Comment
  SACT000401  Avena fatua D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  JEPS126383  Balsamorhiza hookeri Steve Matson 1998-5-17 199 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards north of airport creek, 100 yards south of Martis Dam Road; 5% slope. Comment
  CAS-BOT-BC100073  Balsamorhiza macrolepis Lewis S. Rose 1933-3-23 33032 Placer 8 mi. W. of Fairfield Comment
  UC472196  Balsamorhiza macrolepis Francis Ramaley 1917-4-15 11109 Placer Lincoln Comment
  UCD129529  Balsamorhiza sagittata A. A. Heller 1917-6-18 12727 Placer Yuba Pass. Comment
  CAS-BOT-BC16551  Barbarea orthoceras A. A. Heller 1917-6-17 12697 Placer Along the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC16555  Barbarea orthoceras George B. Grant 1906-7-15 6954 Placer Lake Tahoe. Tahoe Tavern. 1889 Comment
  RSA0035849  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20349 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UC855615  Barbarea orthoceras Marcus E. Jones, A. M. 1882-6-28 2621 Placer Emigrant Gap Comment
  UCD22357  Barbarea orthoceras Rex Palmer 1979-6-20 N 345 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA20887  Blennosperma nanum C. B. Wolf 1937-3-30 8350 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  CAS-BOT-BC100272  Blennosperma nanum var. nanum Serena Philips 1915-4-2 s.n. Placer Near Lincoln Comment
  UC136184  Boechera acutina C. F. Sonne 1897-7-4 Placer on road to Tahoe Bear Valley Comment
  UCD114363  Boechera breweri G. L. Stebbins 1952-6-22 5098 Placer Southeast bank of American River, 1/2 mile northeast of bridge on Colfax-Iowa Hill road. 350 Comment
  CAS-BOT-BC14704  Boechera rectissima Katharine Brandegee s.n. Placer Tahoe Tavern. Comment
  UCD22343  Boechera retrofracta Rex Palmer 1979-6-8 N 114 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC10137  Boechera sparsiflora H. N. Bolander 1865-4-10 4514 Placer near Auburn (Bed of American River); American River Comment
  SEINET10389276  Bolboschoenus fluviatilis R. D. Olson 1949-5-14 16 Placer U.S. Highway 40, Roseville City Limit (W). 61 Comment
  RSA684920  Botrychium multifidum Elizabeth Flint 288 Placer Monumental Creek Comment
  UCR206716  Boykinia major George K. Helmkamp, E. A. Helmkamp 2009-7-16 15209 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  CAS-BOT-BC418415  Boykinia occidentalis Catherine Best 1985-9-15 1144 A Placer Growing at the edge of a creek near Sugar Pine Reservoir about 6 miles north of Forest Hill 1158 Comment
  POM92048  Boykinia occidentalis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  UCD150482  Brassica nigra James A. Neilson Jr. 1971-7-25 2281 Placer Tahoe Basin, 1/2 mile north of Tahoma. 1920 Comment
  RSA385274  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco 915 Comment
  SD43624  Briza minor D. F. Howe 1948-5-20 1840 Placer 456 Comment
  SEINET4183117 Image available Briza minor C. L. Hitchcock 1940-5-14 6389 Placer Meier Ranch, circa 6 Miles North of Colfax. 762 Comment
  SEINET10962541  Brodiaea B. Jorgensen 1944-7-23 Jorgensen 527 Placer Near Soda Springs 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
  UCD77164  Brodiaea coronaria Robert E. Preston 2003-5-25 2146 Placer Ca. 2.3 mi NW of Roseville, along Phillip Rd, 1.25 mi W of its jct with Fiddyment Rd 32 Comment
  UC194939  Brodiaea elegans subsp. elegans H. M. Hall 1916-6-21 10217 Placer below Applegate; Sierra Nevada Mountains, Lake Theodore Comment
  CAS-BOT-BC484260  Brodiaea elegans var. elegans John Thomas Howell; Gordon H. True 1971-5-26 47638 Placer Northern limits of Lincoln 48 Comment
  SD236125  Brodiaea minor G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13284 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36 Comment
  UCD147856  Brodiaea rosea subsp. vallicola Robert E. Preston 2013-4-15 2910 Placer Between Roseville and Lincoln, 200 ft E of Hwy 65, 0.7 mi N of Sunset Blvd. 47 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
  SACT000388  Bromus carinatus Michael Baad 1983-6-26 Placer 2.2 miles southeast, near Michigan Bluff Road. 1158.24 Comment
  SEINET3922009  Bromus carinatus Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; Mark Bibbo; T. Sasaki; J. Poloske 2008-7-19 5152 Placer Donner State Park, newly acquired lands to the SE of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  UCD42962  Bromus carinatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 331 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD57888  Bromus carinatus Beecher Crampton 1969-7-1 8491 Placer Nyack Lodge area (W. of Emigrant Gap). Interstate Hwy. 80 eastbound. Comment
  JEPS75156  Bromus carinatus var. carinatus Gladys L. Smith 1972-6-20 3262 Placer from Ward Peak Summit to Sherwood Forest 2590 Comment
  UC1131047  Bromus carinatus var. carinatus B. Bolt 1934-7-3 Placer top of Sawtooth Ridge Sawtooth Ridge 1219 Comment
  UCD22243  Bromus carinatus var. carinatus Rex Palmer 1979-7-12 N 640 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD34553  Bromus carinatus var. marginatus Beecher Crampton 1985-6-23 9998 Placer Placer County, North Shore Lake Tahoe, Stateline road. Comment
  UCD59209  Bromus carinatus var. marginatus August L. Hormay 1932-7-8 s.n. Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  UCD59225  Bromus carinatus var. marginatus L. S. Smith 1918-6-28 643 Placer Carnelian Bay, Lake Tahoe. Comment
  CAS-BOT-BC155985  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  SACT000519  Bromus diandrus D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT000531  Bromus diandrus D. Meyer 1983-5-7 Placer Roadside Comment
  UCD59463  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  CAS-BOT-BC155060  Bromus hordeaceus A. A. Beetle 1941-5-26 2712 Placer Near Cisco. 914 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
  SACT000568  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-6-5 Placer 982.98 Comment
  UCD75762  Bromus inermis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5234 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, side of undeveloped road near hairpin turn. 2160 Comment
  JEPS69177  Bromus laevipes Leland S. Smith 1925-6-4 1624 Placer s of Forest Hill (Trail to Three Queens Mine, Tahoe National Forest); Tahoe National Forest 609 Comment
  SEINET3817934 Image available Bromus laevipes George K. Helmkamp, E. A. Helmkamp 2012-5-5 18910 Placer Northern Sierra Nevada Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi SE (123degrees) of Clementine Dam on the American River (Auburn 7.5' Q. 396 Comment
  UCD59014  Bromus madritensis Beecher Crampton 1955-6-15 2923 Placer 10 miles west of Forest Hill. Comment
  SACT000695  Bromus marginatus D. Meyer 1983-8-7 Placer moist, shady area, Louisiana Pacific Private Forest entrance 2000.0 Comment
  SACT000700  Bromus marginatus D. Meyer 1983-8-7 Placer east bank 1879.0 Comment
  SACT000704  Bromus marginatus Michael Baad 1983-8-11 Placer 2133.6 Comment
  SACT000584  Bromus mollis D. Meyer 1983-5-15 Placer moist roadside ditch, next to cultivated field 19.812 Comment
  CAS-BOT-BC162162  Bromus orcuttianus Catherine Best 1981-8-2 s.n. Placer Sierra Nevada. About 2 miles southwest of French Meadows on the road of Big Meadow. Comment
  CAS-BOT-BC162166  Bromus orcuttianus L. S. Smith 1925-9-10 1727 Placer Tahoe Forest. Near Emigrant Gap. 1524 Comment
  SBBG22675  Bromus orcuttianus M. S. Walters 1960-6-22 Placer Hwy 28 at Brockway, Lake Tahoe Comment
  UC1162317  Bromus orcuttianus R. F. Hoover 1967-9-7 10858 Placer Antone Meadow Comment
  UCD34880  Bromus orcuttianus Beecher Crampton 1964-7-9 7107 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  SACT000718  Bromus rubens Michael Baad 1977-6-8 Placer On road between Forest Hill and French Meadows roadside in serpentine-chaparral community 914.4 Comment
  SACT000722  Bromus rubens Michael Baad 1977-6-8 Placer on road between Forest Hill and French Meadows; roadside in serpentine-chaparral community 914.4 Comment
  UCD59653  Bromus secalinus Beecher Crampton 1953-5-26 1336 Placer Sunnybrook Farms, 2 miles north of Lincoln. Comment
  UCD59655  Bromus secalinus Beecher Crampton 1953-5-26 1337 Placer Sunnybrook Farms, 2 miles north of Lincoln. Comment
  OBI20099  Bromus sitchensis David J. Keil 1978-7-23 12948 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  SACT000756  Bromus suksdorfii D. Meyer 1983-10-22 Placer searchlight ski run from base up to Olympic Lady chairlift. 2121.0 Comment
  UCD60059  Bromus tectorum Beecher Crampton 1955-6-15 2874 Placer Bunch Canyon head, 1 mile south of U. S. Hwy. 40, on the Forest Hill road. Comment
  UCR68416  Bromus tectorum var. glabratus T. R. Van Devender, R. K. Van Devender 1990-6-4 90- 71 Placer Sierra Nevada Mtns., Tahoe National Forest, Prosser Lake. 3 mi north of Truckee on Hwy 89 1768 Comment
  SACT000769  Bromus tectorum var. tectorum D. Meyer 1984-5-28 Placer next to orchard 206.0 Comment
  SACT000771  Bromus tectorum var. tectorum D. Meyer 1984-5-27 Placer moist meadow surrounded by sage brush type vegetation 81.0 Comment
  SEINET7297941 Image available Calamagrostis breweri A. A. Heller 1903-1 7130 Placer Above Donner Pass 2286 Comment
  RSA60321  Calamagrostis canadensis E. K. Balls 1950-9-8 15722 Placer Lakes Center Public Campground 2043 Comment
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Sep 16 2014
  UCD44419  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1785 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 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
  JEPS42836  Callitriche marginata W. L. Jepson 1938-4-5 18578 a Placer Sacramento to Auburn Comment
  SEINET5334885  Calocedrus decurrens R. Sumner 1949-4-15 107 Placer Tahoe Park, Lake Tahoe, Valley floor 1890 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
  SEINET11261459  Calochortus albus George Helmkamp, E. A. Helmkamp 2012-5-5 18912 Placer Northern Sierra Nevada Mountains Foothills on Lake Clementine Road, 1.2 miles W of the junction with Foresthill Road. 0.3 air miles SE (123 degrees) of Clementine Dam on the American River.; 0 396 Comment
  UCD40936  Calochortus albus Sook Hong 1989-5-20 16 Placer 5-10 miles east of Auburn on Forest Hill Road. 652 Comment
  UCR173280  Calochortus albus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10447 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UC198915  Calochortus albus C. F. Sonne 1891-5-17 Placer between Auburn and Newcastle Comment
  UC147615  Calochortus coeruleus Miss Harriet A. Walker 1908-6-23 1242 Placer Blue Canyon 1432 Comment
  SEINET8196119  Calochortus coeruleus M. J. Williams 1970-6-7 s.n. Placer Near Emigrant Gap. 1615 Comment
  CAS-BOT-BC490163  Calochortus leichtlinii Greg de Nevers 1995-8-20 10767 Placer Lake Tahoe 2133 Comment
  CAS-BOT-BC490167  Calochortus leichtlinii Jean L. Pawek 1956-7-17 192 Placer Highway 40, on dirt road from Soda Springs south. 1828 Comment
  RSA21431  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  CAS-BOT-BC490536  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi. no. of Lincoln 45 Comment
  UCR208587  Calochortus minimus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14652 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  CAS-BOT-BC483460  Calochortus minimus Lewis S. Rose 1944-7-16 44132 Placer Miller Lake, 5 miles west of chambers Lodge Lake Tahoe 2133 Comment
  UCD139566  Calochortus monophyllus J. L. Wirka 1995-5-19 s.n. Placer approximately one from the trailhead of the Steven's Trail that descends the north fork of the American River Canyon outside of Colfax south of 1-80. 400 Comment
  JEPS55622  Calochortus monophyllus Wayne Roderick 1967-6-10 Placer Highway 40 at Alta turn-off 1066 Comment
  SEINET12045761  Calochortus monophyllus L. Constance, Morrison, J. L. 1938-1 2172 Placer E edge of Applegate, Sierra Nevada foothills 610 Comment
  SEINET8495410 Image available Calochortus monophyllus L. Constance, J. L. Morrison 1938-4-30 2171 Placer East slope, east edge of Applegate, Sierra Nevada foothills. 610 Comment
  UC614454  Calochortus monophyllus L. Constance, J. L. Morrison 1938-4-30 2172 Placer e edge Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  UC1134527  Calochortus superbus C. R. Clar 1933-6-4 125 Placer near Newcastle; Sacramento Quad. 243 Comment
  SEINET3992420  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles north of Colfax Comment
  UCD37238  Calycadenia Beecher Crampton 1958-7-11 5009 Placer 3.3 miles east of Sheridan. 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-BC270648  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer 0.3 mile N of Weimar P.O. 685 Comment
  UC1334171  Calycadenia multiglandulosa Thomas Morley 1946-9-28 815 Placer 1 1/2 mi ne of Alta 1188 Comment
  RSA6259  Calycadenia multiglandulosa subsp. bicolor D. D. Keck 1932-6-30 1588 Placer 0.3 miles north of Weimar P. O.; Sierra Nevada. 686 Comment
  UC419712  Calycadenia truncata Mrs. H. P. Bracelin 1930-10-12 99 Placer n of Colusa (on Georgetown Road) Comment
  POM29893  Calycadenia truncata subsp. truncata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  SD102801  Calyptridium monospermum Darley Howe 1978-7-14 5075 Placer Along state highway 20, 29 miles west of Truckee. 1645 Comment
  UCD96972  Calyptridium monospermum Chuck Hughes 2010-7-13 236 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  UC126869  Calyptridium monospermum Miss H. A. Walker 1908-6-23 1207 Placer Blue Canyon Station; Sierra Nevada, Blue Canyon Station 1470 Comment
  UCD33735  Calystegia malacophylla Beecher Crampton 1972-7-26 8846 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  SEINET9321407  Calystegia malacophylla var. malacophylla Unknown 1972-7-26 8846 Placer Carpenter Flat E of Emigrant Gap. Dry slope above Laings road. Comment
  UCR259879  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22462 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
  UCD21723  Calystegia occidentalis subsp. occidentalis Robin McMaster 1973-6-3 430 Placer Off highway, near Weimer. Comment
  UCD13219  Calystegia purpurata Charles Martin 1986-4-27 20 Placer California: Placer County. Folsom Lake, W end of Sierra Dr. in empty lot, near lake. 131 Comment
  UCD150570  Camassia quamash subsp. breviflora James A. Neilson Jr. 1971-6-30 2131 Placer Tahoe Basin, Ward Valley Drainage, Plot #132. 1920 Comment
  JEPS59466  Campanula prenanthoides Ezra Brainerd and Viola B. Baird 1915-7-31 203 Placer above Nevada City; Sierra Nevada 1524 Comment
  POM59079  Campanula prenanthoides Allen M. Carpenter s.n. Placer Placer Co. Comment
  RSA456179  Campanula prenanthoides Wm. Martin 1971-9-10 20256 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  UCR173518  Capsella bursa-pastoris George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10130 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  CAS-BOT-BC37256  Cardamine breweri Arnold Tiehm 1974-8-8 522 a Placer Sierra Nevada. Murphy's Meadow. 2407 Comment
  CDA33661  Cardamine breweri Dale Woods 2010-7-21 Placer Southwest corner of Squaw Valley Road and Hwy 89, between area park/soccer field and road. Comment
  RSA0116209  Cardamine breweri Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  SEINET5341056  Cardamine cordifolia A. Tiehm, E. McPherson 1974-1 522 Placer Juniper Creek. 2408 Comment
  CAS-BOT-BC471265  Cardamine cordifolia Arnold Tiehm 1974-8-8 522 Placer Sierra Nevada. South of Murphy's Meadow 2407 Comment
  CDA19544  Cardamine hirsuta M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 225 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
  UCR237433  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
  JEPS72042  Cardamine pensylvanica Gladys L. Smith 1972-6-18 3146 Placer Alpine Meadows 2072 Comment
  CDA36752  Carduus pycnocephalus D. B. Joley 1976-4-21 9 Placer Loomis; northwest of Sierra College Blvd. and Del Mar Ave. 0 Comment
  CAS-BOT-BC18342  Carex Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  UCD18263  Carex E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 475 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
  UCD43388  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 756 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD42780  Carex abrupta C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 146 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS63736  Carex angustata L. S. Smith June, 1916 561 Placer Squaw Valley Comment
  CAS-BOT-BC18024  Carex athrostachya John Thomas Howell 1943-7-27 18872 Placer Lake Tahoe near Tahoe Pines. Comment
  CDA15926  Carex athrostachya G. F. Hrusa, J. Glazner 1999-7-17 15177 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest in vicinity. Clumping on edges of moist, lower part of main drainage. 1889 Comment
  CHSC74446  Carex athrostachya Susi Urie 1998-8-26 98 -118 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  OBI6461  Carex athrostachya Robert F. Hoover 1967-9-5 10839 Placer Carnelian Bay, Lake Tahoe Comment
  SEINET7550690 Image available Carex athrostachya Unknown 2003-8-23 7967 Placer Northern High Sierra Nevada. Along Barker Creek just upstream from confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. Homewood 7.5' quad. 2106 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
  JEPS63540  Carex athrostachya W. L. Jepson 1931-6-17 15926 Placer Mink Harbor Lake Tahoe, Crystal Bay, Mink Harbor 1920 Comment
  CAS-BOT-BC19397  Carex bolanderi Saichi Kawahara 1969-5-25 892 Placer Mel Henderson Ranch, Indian Creek. North of old cabin. 999 Comment
  CHSC85708  Carex brainerdii G. F. Hrusa; J. Glazner 1999-7-17 15184 a Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  POM81103  Carex deflexa var. boottii Marcus E. Jones 1882-6-30 3307 Placer Emigrant Gap. Comment
  SEINET11630737  Carex densa M. E. Jones 1889-1 9 Placer Emigrant Gap Comment
  UC825102  Carex filifolia var. erostrata Marcus E. Jones, A. M. 1882-6-28 2908 Placer Emigrant Gap Comment
  UCD75961  Carex filifolia var. erostrata Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5226 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CAS-BOT-BC20680  Carex fracta John Thomas Howell 1943-7-27 19774 Placer Lake Tahoe near Tahoe Pines. Comment
  RSA35081  Carex fracta L. S. Rose 1944-7-10 44043 Placer Quail Lake, 3 miles W of Chambers Lodge Lake Tahoe. 2134 Comment
  UCD74072  Carex fracta Jennifer W. Burt 2005-7-11 8 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
  RSA22116  Carex fracta J. T. Howell 1938-8-2 14012 Placer Near Calneva. 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
  CAS-BOT-BC28156  Carex hoodii Lewis S. Rose 1944-7-10 44059 Placer Chambers Lodge, Lake Tahoe. Comment
  UCD43114  Carex hoodii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 482 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CHSC68058  Carex integra James D. Jokerst 1986-7-12 2692 B 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
  POM81205  Carex integra Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  SEINET10710002  Carex integra Lewis S. Rose 1939-6-5 Rose 39216 Placer Bear Valley, near Emigrant Gamp. 1372 Comment
  SEINET12636881  Carex jepsonii D. Keil 1978-1 K 12945 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  CAS-BOT-BC35550  Carex jonesii John Thomas Howell 1938-8-2 14000 Placer 5 miles north of Brockway Comment
  UCD43146  Carex lenticularis var. lipocarpa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 514 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 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
  UCD42921  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 289 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC9338  Carex mariposana Lewis S. Rose 1939-6-5 39218 a Placer Bear Valley, near Emigrant Gap 1371 Comment
  UCD69246  Carex multicaulis D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. Mesic white fir forests. 1500 Comment
  UCD42976  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 345 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC74011  Carex nebrascensis Susi Urie 1998-8-18 98 -070 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD140682  Carex nebrascensis Mrs. H. P. Kelley 1915-6-18 s.n. Placer Squaw Valley. Comment
  UCD75964  Carex nebrascensis Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5238 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  SD130931  Carex nebrascensis Peter Rubtzoff 1976-9-18 8847 Placer Sierra Nevada; Lake Van Norden; south side; lakeshore. 2063 Comment
  JEPS14034  Carex nudata Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Juan Hunziker, Alex Hawkes, ... 1952-7-19 3851 Placer 1/2 mi above bridge on Iowa Hill to Colfax road (below Cape Horn on the S.P. RR); North Fork of the American River 381 Comment
  SEINET13404918  Carex obnupta R. D. Olson 1949-5-14 18 Placer U.S. Highway 40, Roseville City Limit, stream crossing 61 Comment
  CAS-BOT-BC119033  Carex pellita John Thomas Howell 1943-7-22 18715 Placer Summit Valley Comment
  CHSC74293  Carex pellita Susi Urie 1998-8-29 98 -163 Placer Lake Tahoe Basin Management Unit, National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  SEINET7570890 Image available Carex pellita Unknown 2003-8-23 7968 Placer Homewood 7.5' quad, Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake, 3.1 km south-southwest of Barker Pass. 2106 Comment
  CAS-BOT-BC117965  Carex rossii Lewis Samuel Rose 1946-6-23 s.n. Placer Rainbow, N of Cisco 1737 Comment
  SEINET7575126 Image available Carex senta Alice Eastwood, John Thomas Howell 1937-5-8 4362 Placer Between Newcastle and Penryn. Comment
  CAS-BOT-BC117525  Carex sheldonii Peter H. Raven 1950-6-26 2419 A Placer Baxter's 1219 Comment
  POM80664  Carex stipata Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
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Sep 7 2010
  CHSC106457  Carex subfusca Peter F. Zika 2010-8-10 25307 Placer Northern Sierra Nevada Highlands (n SNH). Above E shore of Truckee River, Route 89, 12 air km NE of Lake Tahoe, opening in Pinus Jeffreyi. 1810 Comment
  CHSC74313  Carex subfusca Susi Urie 1998-8-17 98 -052 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74717  Carex subfusca Susi Urie 1998-8-29 98 -154 Placer Lake Tahoe Basin Management Unit. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC72896  Carex utriculata L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5763 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UC1100568  Carex vesicaria Malcolm A. Nobs, S. Galen Smith 1949-8-21 1517 Placer n end Lake Tahoe (marsh between Sandy Beach and Agate Bay) Comment
  CAS-BOT-BC114925  Carex whitneyi John Thomas Howell 1943-7-27 18875 Placer Lake Tahoe near Tahoe Pines. Comment
  CAS-BOT-BC114931  Carex whitneyi Lewis Samuel Rose 1940-6-1 40451 Placer Truckee River, 3 mi. NW of Tahoe City. 1889 Comment
  CAS-BOT-BC114932  Carex whitneyi Lewis Samuel Rose 1944-7-10 44051 Placer Chambers Lidge, Lake Tahoe. 1920 Comment
  OBI20168  Carex whitneyi David J. Keil 1978-7-23 12945 Placer Cisco Grove exit from I-80, just E of Nevada Co line. So fork of Yuba River 1768 Comment
  JEPS48533  Cassiope mertensiana subsp. californica L. S. Smith 1927-8-12 2214 Placer Squaw Creek, Upper basin under the peak. Above Castle Peak. Comment
  SEINET12028244  Castanopsis sempervirens K. S. Erdman 1966-1 3541 Placer Along Interstate 80 near Emigrant Gap,Sierra Nevada Mtns 1524 Comment
  JEPS86479  Castilleja applegatei subsp. pallida L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6556 Placer ca 5 mi se Donner Lake (slopes se of Tinker Knob, Sherman Chickering's Soda Springs holdings); Soda Springs 2529 Comment
  RSA518676  Castilleja applegatei subsp. pinetorum L. R. Heckard, G. Ledyard Stebbins 1973-6-18 3445 Placer High above (north) of Middle Fork American River, about 2.5 road miles east of Forest Hill. 762 Comment
  UC187670  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jun 1909 Placer Gold Run Comment
  UCR233242  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17690 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  CHSC96510  Castilleja attenuata Lowell Ahart; Brian Williams 2007-4-13 13652 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  HSC82236  Castilleja attenuata Thomas W. Nelson 1979-4-10 4580 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CHSC3844  Castilleja exserta Gary Dutton 1966-3-25 147 Placer Found on hwy. 40 one mile east of Auburn. 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
  SD237608  Castilleja lineariloba G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15915 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mile north of the American River crossing (Pilot Hill 7.5'Q) 199 Comment
  UC518950  Castilleja lineariloba David D. Keck 1933-5-31 2426 Placer just s Auburn (on road to Roseville) 304 Comment
  JEPS86480  Castilleja miniata L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6557 Placer ca 5 mi se Donner Lake (slopes s of Tinker Knob, Sherman Chickering's Soda Springs holdings); Sherman Chickering's Soda Springs 2438 Comment
  POM284543  Castilleja miniata Lyman Benson 1942-7-2 11263 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UC1063339  Castilleja miniata B. Bolt 1934-7-19 151 Placer 1.5 mi n Tadpole Spring; Tahoe Natonal Forest, Colfax Quad. 1889 Comment
  UC1713509  Castilleja miniata Katharine Brandegee Placer Cisco Comment
  UC198551  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198554  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC885341  Castilleja miniata A. A. Heller 1916-8-13 12905 Placer Summit hotel 2133 Comment
  JEPS71352  Castilleja miniata L. R. Heckard with R. Bacigalupi, T. I. Chuang 1973-7-28 3454 Placer w edge Soda Springs 1981 Comment
  RSA424428  Castilleja miniata Margaret J. Williams 1984-7-27 84- 94 -1 Placer Pahatasi Road, S of Soda Springs. 2043 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
  UC27239  Castilleja nana A. M. Carpenter 1893-8 Placer Comment
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Dec 11 2014
  UCR172648  Castilleja pruinosa George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10199 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  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
  UCD21601  Castilleja tenuis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1266 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  SCFS5100  Ceanothus F. Felix, Erica Krimmel 2013-5-26 47 -B Placer North Fork/Chickering American River Reserve. Where Cedar Meadows trail meets Cedar Creek falls. Comment
  CAS-BOT-BC47860  Ceanothus cordulatus Alice Eastwood 1906-7-23 1045 Placer Glen Alpine Road Comment
  CAS-BOT-BC47890  Ceanothus cordulatus Robert M. Rhode; Barbara Nemeth 1997-6-26 168 Placer Lake Tahoe: Blackwood Creek Canyon (c. 4 miles south of Tahoe City), Near Blackwood Creek Canyon Road, 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
  RSA129722  Ceanothus cordulatus N. H. French 1934-5-24 361 Placer N Fork, N Fork American River, Colfax 1341 Comment
  UC18258  Ceanothus cordulatus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD111394  Ceanothus cordulatus Ted C. MacRae 1995-7-30 62 a Placer Tahoe National Forest, 9 miles south of Serene Lakes on Soda Springs Road. Comment
  UCD22207  Ceanothus cordulatus Rex Palmer 1979-5-26 N 26 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC48469  Ceanothus cuneatus H. E. McMinn 1926-5-28 1750 Placer 6 mi. north of Folsom (Allens - local name of place), must be near Rose Spring, 5 mi east of Roseville Comment
  CAS-BOT-BC49030  Ceanothus cuneatus Daniel I. Axelrod 1983-9-18 E- 4 Placer Just south of Nevada/Placer county border, by roadside on upper south slope of low ridge, ca. 50 feet from summit, Comment
  CAS-BOT-BC49069  Ceanothus cuneatus Mary Elizabeth Jump 1939-4-16 s.n. Placer Near Colfax on old county road to Gold Run Comment
  SACT002903  Ceanothus cuneatus Michael Baad 1976-6-16 Placer Collected on trailhead along road between Robinson Flat Soda Springs. Comment
  SEINET5339272  Ceanothus cuneatus A. Beninghoff 1930-3-18 1720 Placer 5 mi east Lincoln, Ca. Comment
  RSA399058  Ceanothus diversifolius Fay A. MacFadden 1934-3-30 12409 Placer Dutch Flat. Comment
  UCD22200  Ceanothus fresnensis Rex Palmer 1979-5-27 N 82 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC50799  Ceanothus integerrimus Marcus E. Jones 1882-6-28 2656 Placer Emigrant Gap Comment
  RSA0035851  Ceanothus integerrimus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20370 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  RSA399911  Ceanothus integerrimus Wm. Martin 1977-9-10 20277 Placer 2 miles S of Ranger Station, Blue Canyon Creek, Tahoe National Forest. Comment
  UC1070730  Ceanothus integerrimus G. T. Nordstrom 1934-6-19 113 Placer .5 mi ne Mouth of Monumental Creek; Colfax quad., Tahoe Nat. For. 1463 Comment
  UCD16105  Ceanothus integerrimus R. Rhode 1984-5-12 s.n. Placer California. Placer County: at the intersection of Michigan Bluff Rd. and Foresthill Rd. 1005 Comment
  UCR222893  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15900 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill 308 Comment
  POM86936  Ceanothus integerrimus var. californicus I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  RSA258880  Ceanothus integerrimus var. californicus Thomas W. Nelson, Jane P. Nelson 1974-6-17 1360 Placer Beside Hwy 80 at its jct with Blue Canyon Road, 9 miles W of the Placer - Nevada County line. Comment
  UCD16103  Ceanothus integerrimus var. californicus Gary Brickner 1984-5-12 31 Placer California. Placer County: 4 mi east of Forest Hill on Forest Hill Rd. 1121 Comment
  SBBG26946  Ceanothus lemmonii C. L. Hitchcock 1927-5-7 6327 Placer ca. 1 mi W of Baxter Comment
  CAS-BOT-BC63351  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63355  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63394  Ceanothus prostratus Brandegee 1889-1-1 76 Placer Blue Canyon. Comment
  UCD150853  Ceanothus velutinus James A. Neilson Jr. 1970-8-5 1746 Placer Tahoe Basin. Yard in Tahoe City. 1901 Comment
  CAS-BOT-BC63181  Ceanothus velutinus var. velutinus Brandegee 1889-7-1 1 Placer Donner. Comment
  JEPS42329  Ceanothus velutinus var. velutinus W. L. Jepson 1918-7-30 7737 Placer Tahoe, Lake Tahoe 1920 Comment
  CAS-BOT-BC272145  Centaurea cineraria Jim Henderson 1977-5-19 s.n. Placer 8905 Crater Hill Road, Newcastle 304 Comment
  JEPS81204  Centaurea cyanus Douglas W. James Jr. 1973-5-27 120 Placer off Mosquito Ridge Road about 2 mi from Forest Hill 853 Comment
  CDA38631  Centaurea maculosa Clayton Seado 2012-8-15 PDR# 1611238 Placer Near Truckee, Truckee Tahoe Refuse Disposal (Eastern Regional Landfill), 900 Cabin Creek Road, near Highway 89. 0 Comment
  UCD132722  Centaurea melitensis Denali Beard 2012-6-12 s.n. Placer Auburn State Recreation Area, in Mammoth Bar OHV area. Also observed along edge of Squaw Flat Trail. 500 Comment
  SEINET4560835  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-1 17023 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's road, 0.5 mile north of Forest Hill road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  SEINET5343601 Image available Centaurea solstitialis A. Ashton 1971-10-10 s.n. Placer along banks of the North Fork of the American River at Coloma 305 Comment
  UCR233185B  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2011-7-9 17672 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  UCD36122  Centaurium tenuiflorum Beecher Crampton 1952-11-9 924 Placer Placer County, 6 miles east of Auburn, 1 mile south of Meadow Vista. 457 Comment
  CAS-BOT-BC288618  Centromadia fitchii J. Clausen 1932-9-16 650 Placer 2.5 miles from Auburn on the Sacramento Rd Comment
  CAS-BOT-BC384866  Cerastium Saichi Kawahara 1969-5-25 903 Placer Mel Henderson Ranch, east bank of Indian Creek 987 Comment
  NY418580  Cerasus kelloggiana M. E. Jones 1882-6-28 2693 Placer Emigrant Gap. Comment
  CDA12425  Chaenactis douglasii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8554 Ab Placer Lake Tahoe; W end of Ward Valley, 4 miles SW of Tahoe City. Comment
  CAS-BOT-BC276718  Chaenactis douglasii var. douglasii Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  UC1035483  Chaenactis douglasii var. douglasii Kay H. Beach 1940-6-30 813 Placer 5.6 mi e Emigrant Gap (on US 40); Sierra Nevada Mountains 1676 Comment
  UCD19685  Chaenactis douglasii var. douglasii Donald W. Kyhos 1967-9-3 67 -90 Placer On Hwy 89, 2.3 miles south of Hwy. 80 on a bank just west of Hwy. 89. Comment
  CAS-BOT-BC141724  Chamaebatia foliolosa C. L. Hitchcock 1940-5-7 6323 Placer ca. 1 miles west of Baxter Comment
  CAS-BOT-BC141727  Chamaebatia foliolosa C. Hart Merriam 1911-11-5 s.n. Placer Colfax Comment
  RSA122278  Chamaebatia foliolosa G. T. Nordstrom 1934-6-20 126 Placer At Mammoth Springs. 1677 Comment
  RSA451328  Chamaebatia foliolosa Wm. Martin 1971-9-10 20248 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  UC114137  Chamaebatia foliolosa T. S. Brandegee Sept. 1888 Placer Blue Canyon Comment
  UC565983  Chamaebatia foliolosa G. T. Nordstrom 1934-6-20 126 Placer Mammoth Springs 1676 Comment
  UC859463  Chamaebatia foliolosa C. L. Hitchcock 1940-5-7 6323 Placer 1 mi w of Baxter Comment
  UC859465  Chamaebatia foliolosa Marcus E. Jones, A. M. 1882-6-28 3297 Placer Emigrant Gap Comment
  UCD112933  Chamaebatia foliolosa G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12051 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  CHSC10565  Chamaesaracha nana Lowell Ahart 1964-7-3 Placer Ahart camp, French Meadows. 1676 Comment
  UC103955  Chamaesaracha nana C. F. Sonne Aug 1897 Placer above Coldstream; Sierra Nevada Mountains Comment
  UC765106  Chamaesyce serpyllifolia R. F. Hoover 1936-7-31 1587 Placer Lincoln Comment
  SCFS11529129  Chamerion angustifolium E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying streambed. Comment
  SBBG60190  Chamerion angustifolium unknown 1895-1 Placer American River Comment
  UCD83587  Chamerion angustifolium subsp. circumvagum Albert Grigarick 2009-8-7 156 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1938 Comment
  UC20111  Chamerion angustifolium subsp. circumvagum Mrs. M. M. Hardy 1893-1 Placer Comment
  RSA685843  Cheilanthes gracillima Fay A. MacFadden 1934-3-30 12534 Placer Placer County: Dutch Flat. Comment
  UC1136397  Chenopodium atrovirens B. Bolt 1934-7-19 147 Placer Tadpole Spring Tahoe National Forest, Colfax Quadrangle (Plot No. 233) Comment
  SD247399  Chenopodium desiccatum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19901 Placer Northern Sierra Nevada Mountains: junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap. 1634 Comment
  CAS-BOT-BC451415  Chimaphila menziesii C. F. Sonne 1878-7-1 208 Placer Pin Woods near Truckee Comment
  SEINET7220243  Chimaphila umbellata P. Lehenbauer 1929-8-15 2579 Placer Carnelian Bay [North shore of Lake Tahoe] Comment
  UCR215903  Chlorogalum pomeridianum George K. Helmkamp, Amy Barnes 2009-7-12 15172 Placer Sierra Nevada Mountains Foothills, along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  UCD33678  Chrysanthemum parthenium Beecher Crampton 1971-8-18 8754 Placer Placer County, Lake Tahoe, Tahoe Vista. 1920 Comment
  CAS-BOT-BC36356  Chrysolepis sempervirens R. S. Woglum 1934-8-1 s.n. Placer Lake Tahoe Comment
  CAS-BOT-BC36375  Chrysolepis sempervirens R. F. Hoover 1967-9-5 10823 Placer Carnelian Bay, Lake Tahoe Comment
  UC1135234  Chrysolepis sempervirens G. T. Nordstrom 1934-6-19 115 Placer 0.5 mi ne Texas Hill; Tahoe National Forest, Colfax Quad. 1554 Comment
  UCD110126  Chrysolepis sempervirens Beecher Crampton 1975-10-14 9319 Placer Blue Canyon airport area. 1524 Comment
  UCD21709  Chrysothamnus Rex Palmer 1979-6-9 N 139 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCR170808  Chrysothamnus nauseosus subsp. albicaulis George K. Helmkamp, E. A. Helmkamp 2005-9-30 9932 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  JEPS126389  Cirsium andersonii Steve Matson 1997-7-24 126 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  SCFS1026  Cirsium andersonii F. Felix 2014-7-5 Placer Between Onion and Cedar Creeks, on terrace above NF channel Comment
  UCR190161  Cirsium andersonii George K. Helmkamp, E. A. Helmkamp 2007-8-1 12650 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  CDA1069  Cirsium arvense T. C. Fuller 1964-5-18 11980 Placer W side of Dutch Flat Rd., 0.8 mi. S of Dutch Flat P.O. 0 Comment
  CDA32835  Cirsium douglasii CDFA Staff Placer Rocklin: Sierra College Blvd. 0 Comment
  UCD21711  Cirsium vulgare Beth Lowe Corbin 1982-8-10 310 Placer Onion Creek campground. In disturbed soil along roadside. Coarse herb 3' high. Flowers purple. Full sun. South facing slope, 10% incline. Common. 1841 Comment
  CAS-BOT-BC439026  Cistanthe monosperma A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC439029  Cistanthe monosperma Miss. H. A. Walker 1908-6-23 1207 Placer Blue Canon [Canyon] Station, in the Sierra Nevada 1470 Comment
  UC930772  Clarkia biloba A. A. Heller 1917-6-19 12746 Placer 4 mi e Colfax Comment
  CAS-BOT-BC163588  Clarkia biloba subsp. biloba Marcus E. Jones 1882-7-3 3340 Placer Colfax Comment
  CHSC98760  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-7 1248 Placer North of Colfax, east side of Hwy I-80, north of Long Ravine railroad trestle. Plants along Carpenter Road. 658 Comment
  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
  UCD13164  Clarkia biloba subsp. brandegeeae Barbara Yungert 1973-5-27 93 Placer Forest Hill Rd., 2 miles E of junction with Hwy 49. Comment
  UCD72500  Clarkia biloba subsp. brandegeeae Ellen Dean 2006-5-22 3140 Placer Above north fork of the American River, east of Foresthill Bridge, along Upper Lake Clementine Road nearing the bottom (river end) of the road. 308 Comment
  UCR173729  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10708 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
  UCR218446  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16423 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  RSA115451  Clarkia heterandra Beecher Crampton 1955-6-15 2858 Placer Head of Bunch Canyon, just off U.S. Highway 40, 3 miles east of Weimar, Forest Hill Road Comment
  UCD34164  Clarkia purpurea Beecher Crampton 1977-6-11 9501 Placer 3.5 miles N.E. of Auburn, Dry Creek road just east of Elder's Corners. 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
  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
  UC930749  Clarkia williamsonii Marcus E. Jones, A. M. 1882-7-3 3341 Placer Colfax Comment
  JEPS43378  Claytonia parviflora subsp. grandiflora W. L. Jepson 1938-4-5 18585 Placer 2 mi e Auburn (near North Fork American River) Comment
  UCR253533  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Amy Barnes 2014-4-23 22797 Placer Sierra Nevada Mountains Foothills, Old Auburn-Foresthill Road, 1.7 miles northeast of its junction with CA-49 at North Fork American River 407 Comment
  CAS-BOT-BC233868  Claytonia parviflora subsp. parviflora L. S. Smith 1925-6-3 1615 Placer Below Yankee Jim- Forest Hill Divide, Tahoe Forest 746 Comment
  CAS-BOT-BC443631  Claytonia perfoliata subsp. perfoliata Catherine A. Toschi 1963-3-23 63 :82 Placer 3 miles east of Auburn on the American River 396 Comment
  RSA22507  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 miles SE of Loomis. 152 Comment
  UC1540470  Clematis lasiantha Annetta Carter 1937-4-25 1248 Placer 6 1/2 mi. s.e. Loomis (between Folsom and Auburn) 152 Comment
  UC588156  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer 6 1/2 mi. s.e. Loomis (between Folsom and Auburn) 152 Comment
  UCD15157  Clematis lasiantha Phyllis Adams 1982-4-24 16 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 365 Comment
  SEINET3159399  Collinsia G. B. Grant 1906-1 6949 Placer about Lake Tahoe 2438 Comment
  UC138744  Collinsia heterophylla Anna King 1902-5-11 Placer Newcastle Comment
  UCD123672  Collinsia sparsiflora var. sparsiflora J. J. Geibel 1965-5-19 13 Placer on Dollarhide Road, 3.5 miles east of Pope Valley. 670 Comment
  UCR173731  Collinsia tinctoria George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10713 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
  RSA780080  Collinsia torreyi Lyman Benson 1933-6-26 4528 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  HSC20610  Collinsia torreyi R. G. Means 1962-6-28 50 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  POM298048  Collinsia torreyi var. wrightii A. A. Heller 1917-6-17 12722 Placer Cisco. 1829 Comment
  SEINET3159395  Collinsia torreyi var. wrightii L. S. Rose 1940-6-2 40456 Placer Truckee River, 10 mi N of Tahoe City 1829 Comment
  CDA15683  Collomia grandiflora G. F. Hrusa, J. Glazner 1999-7-18 15233 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CDA25005  Collomia grandiflora J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC73059  Collomia grandiflora L. P. Janeway 1998-8-6 5973 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  POM260278  Collomia heterophylla C. L. Hitchcock 1940-5-7 6315 Placer 1 mile west of Baxter. Comment
  SCFS5107  Collomia heterophylla F. Felix, Erica Krimmel 2013-5-19 2 Placer North Fork American River, 0.1 mile east of Heath Falls overlook, on trail Comment
  SEINET3696231 Image available Collomia heterophylla F. A. MacFadden 1934-7-1 12724 Placer Canyen Creek, Dutch Flat. Comment
  JEPS111195  Collomia linearis Steve Matson 2005-7-4 1368 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
  CDA15644  Collomia tinctoria G. F. Hrusa, J. Glazner 1999-7-18 15223 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC106901  Collomia tinctoria K. Brandegee Sept. 1888 Placer Blue Canyon Comment
  UC879804  Collomia tinctoria Alice Eastwood Jun 15 1912-Jun 19 1912 459 Placer Tahoe City Lake Tahoe Region Comment
  JEPS127488  Convolvulus arvensis Steve Matson 2002-7-9 475 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, along dirt road east of Martis Creek. Comment
  SCFS5067  Convolvulus arvensis E. Krimmel 2014-6-26 Placer Above NF American river, on north side not far above Heath Falls overlook Comment
  UCD22692  Corallorhiza maculata Teresa Do 1990-5-19 15 Placer Butterfly Valley. 1097 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
  JEPS103943  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold run Comment
  JEPS33630  Coreopsis stillmanii W. L. Jepson 1938-4-5 18583 Placer 2 mi e Placerville Rd; Auburn Comment
  UCD15007  Cornus nuttallii Jonathan M. Irvine 1977-5-30 701 Placer 14.4 miles east of Forest Hills, along Mosquito Ridge Road; 1011 Comment
  CAS-BOT-BC212144  Cornus sericea Carl B. Wolf 1930-10-10 987 Placer 1 mile est of Cisco, Sierra Nevada 1828 Comment
  SBBG8909  Cornus sericea subsp. sericea E. R. Blakley 1960-9-4 3825 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  UCD150476  Cornus sessilis James A. Neilson Jr. 1970-7-9 1493 Placer Tahoe Basin, near mouth of Ward Creek. 1905 Comment
  UCD72956  Corydalis caseana subsp. caseana Albert Grigarick 2008-6-17 15 Placer Vicinity of Cabin Creek Rd., west of Hwy. 89, SE of Donner Lake. Driving directions: Int. 80 east to Hwy. 89 south to Cabin Creek Rd.; rt. turn on paved road and continue to 1st left turn on dirt road; stay left for 0.6 mi.; first turn off to left after crossing Cabin Crk. 1908 Comment
  UCD75739  Crepis acuminata Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5202 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
  SEINET9356486  Crepis modocensis Unknown 1999-7-17 15120 Placer Placer Comment
  SEINET5781401 Image available Crepis occidentalis Marcus E. Jones 1882-1 2784 Placer Emigrant Gap Comment
  CAS-BOT-BC290736  Crepis occidentalis subsp. conjuncta Marcus E. Jones 1882-6-30 2784 Placer Emigrant Gap Comment
  CAS-BOT-BC290753  Crepis occidentalis subsp. occidentalis Elsie Z. Lovegrove 1941-6-6 s.n. Placer Truckee R. dam at Tahoe City Comment
  CDA15957  Crepis pleurocarpa G. F. Hrusa, J. Glazner 1999-7-17 15143 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR123378  Croton setiger George K. Helmkamp, E. A. Helmkamp 1999-6-29 5058 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  CHSC117461  Crypsis alopecuroides B. Castro; Jessica Boyt 2013-9-11 1999 Placer Northern High Sierra Nevada. Plumas National Forest;W edge of Frenchman Lake, at boat ramp NW of 'Lunker Point' site on maps. 1703 Comment
  UCD145288  Crypsis schoenoides Barry Hammel 1976-5-28 457 Placer near Roseville. Comment
  UCD43032  Cryptantha C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 401 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET9343024  Cryptantha affinis George Hrusa, Glazner, J. 1999-7-17 15184 c Placer Martis Valley, off Hwy 267, S of Truckee. Abies concolor forest with rock outcrops. Disturbed in some places. More mesic than other areas dominated by Pinus jeffreyi. Occasional in +- formerly disturbed areas. Comment
  UC1212055  Cryptantha echinella Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 2133 Comment
  UCR207860  Cryptantha flaccida George K. Helmkamp, E. A. Helmkamp 2009-4-22 14561 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
  SD62073  Cryptantha flaccida Darley F. Howe 1965-5-20 4056 Placer 3.5 miles north of Auburn 455 Comment
  CAS-BOT-BC218775  Cryptantha humilis John Thomas Howell 1943-7-26 18845 Placer Mt. Lincoln Comment
  JEPS71660  Cryptantha humilis Gladys L. Smith 1972-6-20 3211 Placer about terminus of summit chairlift Ward Peak 2621 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
  UCD150762  Cryptogramma acrostichoides James A. Neilson Jr. 1971-8-31 2579 Placer Tahoe Basin, Buck Lake. 2276 Comment
  JEPS73125  Cryptogramma acrostichoides Gladys L. Smith 1972-8-25 3434 Placer meadow below n cirque Granite Chief 2575 Comment
  UCR146848  Cuscuta brachycalyx Beecher Crampton 1977-7-2 9512 Placer Sierra Nevada Foothills, 3.5 miles northeast of Auburn, east of Elder's Corner on Dry Creek Road 412 Comment
  UCD21635  Cymopterus terebinthinus Rex Palmer 1979-6-9 N 136 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCR232622  Cynoglossum occidentale George K. Helmkamp, E. A. Helmkamp 2010-7-28 16636 Placer Northern Sierra Nevada Mountains, Forest Route 10 (Sugar Pine Rd.), 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34 deg. ) of Foresthill 1311 Comment
  CAS-BOT-BC190358  Cynosurus echinatus Peter H. Raven 1950-6-26 2407 Placer Baxter's. 1219 Comment
  CDA1947  Cynosurus echinatus J. H. Wilson 1963-6-13 Placer Old Hwy 40, east limits of Auburn. 0 Comment
  SACT000849  Cynosurus echinatus D. Meyer 1983-7-24 Placer Moist shady roadside. 1036.32 Comment
  SACT000851  Cynosurus echinatus Michael Baad 1983-5-5 Placer On Yankee Jim Road. South side of River. Comment
  UCD60169  Cynosurus echinatus Walter N. Johnson 1956-7-25 s. n. Placer North of Auburn. Comment
  UCR218221  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16388 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-BC114550  Cyperus eragrostis Brighton C. Cain 1925-8-15 4 Placer 2 miles south of Auburn at Wise Power House. Comment
  CAS-BOT-BC114547  Cyperus eragrostis Mrs. H. C. Cantelow 1938-7-2 2260 Placer 8 mi. N of Auburn. Comment
  UCD35244  Cyperus niger Beecher Crampton 1952-11-9 922 Placer about 6 miles east of Auburn. Comment
  UC615527  Cystopteris fragilis Beryl O. Schreiber 1934-7-4 1183 Placer 6 mi e Lookout Comment
  CAS-BOT-BC189859  Danthonia californica Beecher Crampton 1956-7-17 3731 Placer 1.3 mile north of Blue Canyon. 1524 Comment
  SACT000882  Danthonia californica D. Meyer 1984-7-8 Placer 0.4 km from I80, exposed hillside, east facing slope. 1290.0 Comment
  UCD22245  Danthonia californica Beth Lowe Corbin 1982-8-3 174 Placer Onion Creek Campground. SW facing slope. Sun. Uncommon. Open, dry meadow of mixed conifer forest in fine, sandy, granitic soil. Perennial, forming a loose clump. 1841 Comment
  SACT000890  Danthonia californica var. americana Michael Baad 1983-7-10 Placer Collected in adjacent forest area, 6.9 miles south of Emigrant Gap by roadside. 1432.56 Comment
  SACT000898  Danthonia unispicata Michael Baad 1983-7-10 Placer Along road to Helester Point opening in pine forest with Wyethia on south-facing slope. 1524.0 Comment
  UCD61351  Danthonia unispicata Beecher Crampton 1964-7-21 7116 Placer 1/2 mile WNW of Cisco Grove, U.S. Hwy. 40. 1706 Comment
  UCD102615  Darmera peltata A. S. Crafts 1926-5-1 803 Placer American River Canyon Comment
  UC197475  Darmera peltata C. F. Sonne Jun 1897 Placer near Towles' (Deer Creek); Sierra Nevada Mountains Comment
  UCD22271  Dasiphora fruticosa Rex Palmer 1979-6-20 N 351 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC173276  Delphinium Saichi Kawahara 1969-5-25 1017 Placer Top of ridge east of old house, Mel Henderson Ranch, east of Indian Creek 1036 Comment
  UC467716  Delphinium andersonii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD42996  Delphinium glaucum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 365 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44480  Delphinium glaucum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1846 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC8824  Delphinium gracilentum f. versicolor L. S. Smith 1927-8-5 2154 Placer Robertson Flat on Forest Hill 2346 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
  UCD22181  Delphinium nuttallianum Rex Palmer 1979-6-20 N 281 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22184  Delphinium nuttallianum Rex Palmer 1979-7-25 N 698 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC116437  Delphinium patens subsp. patens L. S. Smith 1927-8-5 2154 Placer Robertson Flat, Forest Hill 2346 Comment
  LA207588  Delphinium variegatum Carl B. Wolf; 1937-5-12 8612 Placer Sacramento Valley, 1 mi. N of Lincoln 45 Comment
  UCD96745  Delphinium variegatum M. Vincent 1965-4-16 645 Placer 4 miles south of Marysville. Comment
  SEINET268904  Delphinium variegatum K. L. Chambers, C. L. Carlbom 1962-4-22 2128 Placer Hwy. 65 between Roseville and Lincoln 1.4 mi north of the railroad overpass north of Roseville. Comment
  SEINET5338168  Delphinium variegatum D. H. Erskine 1941-4-27 27 Placer 2 miles east of Roseville. 76 Comment
  RSA258881  Dendromecon rigida Thomas W. Nelson, James Nelson, A. P. Nelson 1974-6-17 1377 Placer Dollar point overlooking Lake Tahoe N of Tahoe City. 1585 Comment
  UCD14363  Dendromecon rigida Bif Soper 1983-5-28 21 Placer 1.5 miles west of the North Fork of the Middle Fork of the American River; 914 Comment
  SACT000906  Deschampsia cespitosa D. Meyer 1984-7-15 Placer 1909.0 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
  SACT000916  Deschampsia danthonioides Michael Baad 1983-8-27 Placer Collected on the trail between lakes. 2072.64 Comment
  SACT000932  Deschampsia elongata Michael Baad 1976-7-22 Placer Ascent of south-facing slope of Peak from trail to crest. Red fir forest and meadows. 2377.0 Comment
  SACT000945  Deschampsia elongata D. Meyer 1983-9-10 Placer Moist streambank and meadow. 1879.0 Comment
  SACT000950  Deschampsia elongata D. Meyer 1984-8-4 Placer Moist shady roadside. 1365.5 Comment
  SACT000954  Deschampsia elongata D. Meyer 1983-8-20 Placer From road to summit off trail at first lake. Steep rocky trail with moist meadow areas. 2000.0 Comment
  CAS-BOT-BC43030  Descurainia incisa subsp. incisa John Thomas Howell 1943-7-22 18704 Placer Summit Valley. Comment
  UC855978  Descurainia incisa subsp. incisa A. A. Heller 1917-8-13 12911 Placer near Summit hotel 2133 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
  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
  UCD23418  Dicentra formosa Alan B. Chan 1977-5-28 34 Placer Purple flowers, bilabiate corolla, in part shade. Collected 20 miles NE of the Auburn Forest Hill Bridge on Auburn Forest Hill Road towards Michigan Bluff. Mixed evergreen forest. Comment
  UCD33722  Dicentra formosa Beecher Crampton 1972-6-20 8825 Placer Upslope from Bear Valley, State Hwy. 20E. 1402 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-BC402446  Dicentra formosa subsp. formosa G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC402449  Dicentra formosa subsp. formosa Saichi Kawahara 1969-5-24 864 Placer Mel Henderson Ranch, Strawberry Flat 1002 Comment
  UCD95503  Dicentra formosa subsp. formosa A. S. Crafts 1926-5-1 798 Placer American River Canyon Comment
  JEPS72354  Dicentra uniflora Gladys L. Smith 1972-6-18 3164 Placer Alpine Meadows 2072 Comment
  CDA32819  Dichelostemma capitatum William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  UCR250685  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20348 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
  RSA333562  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-24 41 Placer Both sides of Dowd Road, 3 miles S of Sheridan. 100 Comment
  SEINET8472367  Dichelostemma capitatum subsp. capitatum Killinger 1962-3-17 s.n. Placer North Fork American River, 3 miles E of Auburn. 366 Comment
  SEINET8476488  Dichelostemma capitatum subsp. capitatum A. Beninghoff 1930-3-15 2034 Placer 5 miles S of Lincoln. Comment
  SEINET8476518  Dichelostemma capitatum subsp. capitatum K. Terrell 1962-1 s.n. Placer North Fork American River. 396 Comment
  UCR194966  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12022 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  CAS-BOT-BC502638  Dichelostemma multiflorum Belle R. Jackson 1927-6-1 s.n. Placer Dutch Flat Comment
  UC635220  Dichelostemma volubile H. L. Mason 1926-5-28 3276 Placer 5 mi above Auburn Comment
  SACT000967  Digitaria sanguinalis Josephine Van Ess 1976-9-6 Placer Fiddyment Road. Collected near Pistachio orchard. 27.4 Comment
  SD237617  Diplacus aurantiacus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15931 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot 7.5'Q) 156 Comment
  CAS-BOT-BC150479  Diplacus grandiflorus Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  SBBG37922  Diplacus layneae C. L. Hitchcock 1940-5-15 6406 Placer 6 mi N of Colfax Comment
  CHSC82522  Diplacus leptaleus Lowell Ahart 2002-7-22 9903 Placer On the south side of a small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  SBBG25479  Diplacus torreyi C. B. Hardham 1961-6-14 7356 Placer Baxter, US Hwy 40 1066 Comment
  SEINET14196696  Diplacus torreyi P. B. Kennedy, S. B. Doten 1901-8-18 414 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  CAS-BOT-BC151678  Diplacus torreyi F. A. Mac Fadden 1934-7-1 12558 Placer Canyon Creek, Monte Vista Inn Comment
  POM109259  Disporum hookeri var. hookeri Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UCR235279  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-11-28 18480 Placer Sacramento Valley/Sierra Nevada Foothills, along CA-193 (Lincoln-Newcastle Hwy), 2.0 miles east of East Street in Lincoln, near Stagecoach Ln. 125 Comment
  CHSC78088  Dodecatheon alpinum Caleb E. Casey 1999-5-16 Placer Sugar Pine Reservoir, Forest Service road 26, elevation 3900 ft. 1188 Comment
  HSC34456  Dodecatheon alpinum A. M. Montalvo, J. D. Ackerman 1974-7-20 388 Placer Alpine meadows Ski Area W of Deer Park and Hwy. 89 2134 Comment
  UCD80684  Dodecatheon clevelandii subsp. patulum CNPS SN Foothill Team 2005-4-11 SNFN 0103 c Placer Placer Legacy, Spears/Didion Ranch (Spear's Ranch), above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  SEINET8561821  Dodecatheon hendersonii C. Bell 1962-3-17 46 Placer 2 miles E of Auburn above North Fork American River. 244 Comment
  JEPS126262  Dodecatheon jeffreyi Steve Matson 2000-7-6 277 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; 600 meters north of Highway 267, east of Martis Creek along east fork of Martis Creek. Comment
  RSA18624  Downingia bicornuta C. B. Wolf 1937-5-12 8623 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  RSA389176  Downingia bicornuta C. B. Wolf 1937-5-12 8623 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  UC660004  Downingia bicornuta var. picta Lincoln Constance 1941-5-28 2823 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  JEPS126369  Downingia montana Steve Matson 2003-6-29 816 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267; 200 yards west of Martis Creek. Comment
  UCD55133  Downingia pusilla Robert E. Preston 2002-5-3 1788 Placer Ca. 3 mi. SSW of Lincoln; N of Orchard Creek. 35 Comment
  UCR206725  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2009-7-16 15192 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCR231833  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2010-8-14 16777 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  CAS-BOT-BC401540  Drosera rotundifolia L. S. Smith 1926-6-23 1978 Placer Tahoe National Forest. Squaw Valley Bog 1889 Comment
  UCD22274  Drymocallis glandulosa Rex Palmer 1979-6-20 N 334 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC159717  Drymocallis glandulosa Margaret J. Williams 1985-7-6 85- 61 -1 Placer Near old Donner Summit, S of Lake Mary - Sierra Nevada 2286 Comment
  SCFS1107  Drymocallis lactea E. Krimmel 2013-6-2 Placer On cliffs beside NF American River, 1/2-mile below Soda Springs road Comment
  CAS-BOT-BC157893  Drymocallis lactea var. lactea Alice Eastwood 1909-1-1 21 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC157897  Drymocallis lactea var. lactea John H. Thomas; Hazelle A. Thomas 1956-7-21 6113 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SEINET9315648  Dudleya cymosa Unknown 2009-5-7 14610 A Placer Sierra Nevada Mountains Foothills Comment
  UCD101887  Dudleya cymosa G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10424 Placer Northern Sierra Nevada. 2.1 miles S of Auburn, along CA-Hwy 49. 293 Comment
  CAS-BOT-BC113798  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  SEINET4175119  Dysphania botrys A. Tiehm 1973-10-16 s.n. Placer North Fork American River near union with Middle Fork 305 Comment
  UCD32977  Echinochloa crus-galli Beecher Crampton 1965-9-13 7497 Placer Placer County, 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
  UC2050341  Echinocystis lobata Miss E. M. Truman 1917-1 Placer Cisco, Placer co Comment
  CDA19074  Eichhornia crassipes R. Simon 2001-4-13 PDR 062708 Placer Junction of Fowler Rd. and Hwy 193, Newcastle. 0 Comment
  CAS-BOT-BC113434  Eleocharis bella Marcus E. Jones 1882-6-29 2905 Placer Emigrant Gap 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
  UC839120  Eleocharis engelmannii A. A. Heller 1917-8-12 12874 Placer Southern Pacific reservoir W of Emigrant Gap Comment
  UCD49595  Eleocharis engelmannii A. A. Heller 1917-8-12 12874 Placer Southern Pacific reservoir west of Emigrant Gap in coarse granite sand, the flat about the pond. Syst. 2: 152. 1817. Comment
  UCD49800  Eleocharis macrostachya Lynn Gould 1962-4-8 34 Placer On P.F.E. Road, 6 miles west of Roseville, Placer County, California. Comment
  UCD49730  Eleocharis obtusa Ray Griffiths 1993-5-20 s.n. Placer California, Placer Co., sw of Lincoln approx. 2 mi. Vernal pool wet swale. Comment
  CAS-BOT-BC113160  Eleocharis palustris Stanley Galen [S. Galen] Smith 1949-8-21 1508 Placer Marsh between Sandy Beach and Agate Bay, north end of Lake Tahoe Comment
  UC710554  Eleocharis quinqueflora John Thomas Howell 1943-7-19 18575 Placer Summit Valley Comment
  CAS-BOT-BC203870  Elymus X hansenii A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax 762 Comment
  CAS-BOT-BC227590  Elymus elymoides Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CDA15967  Elymus elymoides subsp. elymoides G. F. Hrusa, J. Glazner 1999-7-17 15119 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1132962  Elymus elymoides subsp. elymoides B. Bolt 1934-7-17 142 Placer 1/2 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quadrangle Comment
  CDA36869  Elymus glaucus CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  SACT001106  Elymus glaucus Michael Baad 1983-7-23 Placer Next to stream, along southwest side of Highway 267, approximately 6 miles southeast of Truckee. 2316.0 Comment
  SACT001116  Elymus glaucus Michael Baad 1976-8-4 Placer Collected on the banks amoung rocks and in gravel beside creek. White fir forest with openings. 1975.0 Comment
  SACT001132  Elymus glaucus Michael Baad 1977-6-8 Placer 1.3 miles southeast on road between Forest Hill and French Meadows Reservoir. Serpentine chaparral community. Comment
  UCD22250  Elymus glaucus Rex Palmer 1979-7-12 N 615 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD44477  Elymus glaucus subsp. jepsonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1843 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET12747696  Elymus glaucus var. glaucus W. D. Billings 1940-5-18 1303 Placer Gold Run. Comment
  UCR249598  Elymus glaucus var. glaucus George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20820 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UC1133038  Elymus multisetus N. French 1933-5-5 83 Placer N. Fork American River Sacramento Quadrangle Comment
  UCD62736  Elymus trachycaulus subsp. subsecundus R. Tofsrud 1947-7-12 42 Placer Placer County. 1524 Comment
  CDA18048  Elytrigia intermedia K. Connelly 1999-8-2 PDR 1223706 Placer Along side of Rd 8, off of Hwy 89, Truckee. 0 Comment
  CDA18052  Elytrigia repens T. Morgan 1999-7-19 PDR 1223646 Placer 2- 2 ft. x 2 ft. areas growing from old ball and burlaped birches in holding area at Green Thumb Landscaping, 2865 Hillcrest Ave., Tahoe City. 0 Comment
  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
  CHSC73961  Epilobium brachycarpum Susi Urie 1998-8-18 98 -064 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS127501  Epilobium brachycarpum Steve Matson 1998-6-7 324 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267 at base of highway rampart, just west of Martis Creek. Comment
  OBI12060  Epilobium brachycarpum Robert F. Hoover 1967-9-5 10845 Placer Carnelian Bay, Lake Tahoe Comment
  UCR190657  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-5-23 12079 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UCR200879  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14097 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UCR232689  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2011-9-30 18344 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
  UCD163424  Epilobium campestre Robert E. Preston 2015-5-29 3001 Placer 1.8 mi SE of Sheridan, 0.5 mi E of Old Hwy 65, 0.25 mi N of Yankee Slough. 33 Comment
  CAS-BOT-BC171702  Epilobium canum subsp. latifolium Lowell Ahart 1966-8-12 s.n. Placer Near French Meadows, Sierra Nevada 1676 Comment
  JEPS14028  Epilobium canum subsp. latifolium Rimo Bacigalupi,with G. L. Stebbins, D. Zohary, J. Hunziker, F. Ehrendorfer, A. Hawkes, & H. Stutz 1952-7-19 3859 Placer rock outcropping just above torrent of main stream (below Cape Horn sta. on S.P.R.R., 1/2 mi above bridge on Colfax-Iowa Hill rd); North Fork of American River 381 Comment
  UCD105596  Epilobium canum subsp. latifolium G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, et al. 1952-7-20 5133 Placer Along Shirttail Creek, just above its junction with N Fork American River, along road from Colfax to Forest Hill. Comment
  SEINET12861995  Epilobium canum subsp. latifolium P. B. Kennedy, S. B. Doten 1901-1 278 Placer [Sierra Nevada] Summit of range between Devil's Cliff and Tinker's Knob. Comment
  UCD44687  Epilobium ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2053 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR226132  Epilobium ciliatum Ellen Dean, Mark Bibbo, J. Poloske, M. Starbuck 2008-7-20 5237 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon 2100 Comment
  CHSC74239  Epilobium ciliatum subsp. ciliatum Susi Urie; Eric Schroder 1998-9-10 98 -326 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  JEPS127413  Epilobium ciliatum subsp. ciliatum Steve Matson 2000-7-9 478 Placer nSNH Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area, norht of Highway 267, east fork of Martis Crek. Comment
  UCD22094  Epilobium ciliatum subsp. ciliatum Rex Palmer 1979-7-26 N 870 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD150695  Epilobium glaberrimum James A. Neilson Jr. 1970-7-18 1562 Placer Tahoe Basin, 2 mi northeast of Tahoe City. 1920 Comment
  UCR177128  Epilobium glaberrimum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9943 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  UC422954  Epilobium glaberrimum subsp. glaberrimum Miss Helen D. Geis Jun 1 1912-Jul 1 1912 130 a Placer Deer Park Comment
  POM271516  Epilobium hallianum Lyman Benson 1942-7-2 11249 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  SEINET6637354 Image available Epilobium hallianum A. A. Heller 1919-7-25 13302 b Placer near Yuba River below Cisco 1676 Comment
  UCD43332  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 700 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44422  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1788 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC422825  Epilobium hallianum H. M. Hall July 1910 8748 Placer Soda Springs of the Yuba Sierra Nevada Mountains 2042 Comment
  CDA19541  Epilobium minutum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 213 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
  JEPS59475  Epilobium oregonense Ezra Brainerd and Viola B. Baird 1915-7-22 217 Placer bog opposite Waltons (by river); Sierra Nevada Mts., Truckee River 1905 Comment
  UCR257629  Epilobium pallidum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19535 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
  CDA36904  Epilobium torreyi CDFA Staff 1995-6-12 s.n. Placer Dry Creek. 0 Comment
  UC126702  Epilobium torreyi Katharine Brandegee 1889-7-5 Placer Newcastle Comment
  SBBG198  Equisetum X ferrissii E. R. Blakley 1960-9-2 3806 Placer mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  MACF015287  Equisetum hyemale subsp. affine F. A. MacFadden 1933-7-11 0975 Placer Canyon Creek, Monte Vista dun. Placer Co., California Comment
  SBBG8946  Equisetum laevigatum E. R. Blakley 1960-9-3 3822 Placer Kings Beach, Lake Tahoe 1905 Comment
  UCD64183  Eragrostis pectinacea Beecher Crampton 1967-7-26 8162 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80, junction of Meadow Vista Road. 487 Comment
  UCD64328  Eragrostis pectinacea var. pectinacea Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  UCD36476  Eragrostis pilosa Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  UCR198003  Eragrostis pilosa Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit 52 Comment
  JEPS52485  Eremocarpus setiger W. L. Jepson 1924-7-18 10601 Placer near Lincoln 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-BC481928  Eremogone congesta var. congesta Clare B. Hardham 1978-8-11 21767 Placer SE of Thompson Peak Comment
  UCD22167  Eremogone kingii var. glabrescens Rex Palmer 1979-6-19 N 270 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET5336754  Eremogone kingii var. glabrescens K. Thorne, Jody Chandler 1987-6-26 5448 Placer Blue star memorial Hwy rest stop, Sierra Nevada Mountains. Comment
  CDA4631  Ericameria arborescens T. C. Fuller 1962-9-2 9622 Placer Hwy 40 to Auburn, 2.5 miles west of Weimer. 0 Comment
  CAS-BOT-BC286641  Ericameria bloomeri Elsie Zeile Lovegrove 1950-10-18 s.n. Placer Homewood Comment
  CAS-BOT-BC286642  Ericameria bloomeri Elsie Zeile Lovegrove 1951-9-22 s.n. Placer Al Tahoe Comment
  UC2046012  Ericameria bloomeri Stephen W. Edwards with Katie Colbert 2015-8-7 s.n. Placer Monumental Ridge. Comment
  UCD131329  Ericameria bloomeri L. M. Sparks 1912-8-1 51 Placer Lake Tahoe. Comment
  UC55137  Ericameria discoidea Miss Lydia K. Tangier-Smith 1901-1-1 Placer Tahoe, at the Grove Tahoe Comment
  UC1119826  Ericameria nauseosa N. French 1934-6-17 425 Placer Devils Peak Tahoe National Forest, Truckee Quadrangle, Devils Peak 2346 Comment
  CAS-BOT-BC294277  Ericameria nauseosa var. speciosa M. E. Parsons 1912-8-25 s.n. Placer Crow Peak, near summit Comment
  CAS-BOT-BC293277  Ericameria suffruticosa C. F. Sonne 1885-8-23 141 Placer Sierra Nevada Mts. Tinker Knob & Anderson Peak 2895 Comment
  UC197389  Ericameria suffruticosa C. F. Sonne 1894-9-2 Placer <High Mts.?> near Summit Station 2438 Comment
  UC830820  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer ridge nw Donner Pass 2377 Comment
  CAS-BOT-BC293370  Erigeron Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCD21886  Erigeron Rex Palmer 1979-6-9 N 164 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  OBI20158  Erigeron aliceae David J. Keil 1978-7-23 12925 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UC71911  Erigeron barbellulatus C. J. Fox Jr. 1895-7-1 Placer near Deer Park Inn Comment
  UC195716  Erigeron bloomeri var. bloomeri C. F. Sonne 1888-6-1 Placer near Truckee; Martis Valley Comment
  UC480761  Erigeron compositus W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  CAS-BOT-BC296763  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer Summit Valley 2118 Comment
  CAS-BOT-BC296767  Erigeron coulteri John Thomas Howell 1943-7-21 18635 Placer Donner Pass to Mt. Lincoln Comment
  CHSC79678  Erigeron coulteri G. F. Hrusa; J. Glazner 1999-7-18 15208 Placer Northern California; Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  UC1505802  Erigeron coulteri Robert T. Clausen and Harold Trapido 1940-7-13 4891 Placer 2 mi w Lake Tahoe (along Ward Creek); Pacific Slope, Lake Tahoe Basin, Ward Creek 1905 Comment
  UC895854  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer 2118 Comment
  CAS-BOT-BC300673  Erigeron foliosus var. hartwegii L. S. Smith 1926-5-23 1828 Placer Tahoe National Forest. Colfax road to Forest Hill above river 609 Comment
  SD62080  Erigeron foliosus var. hartwegii Darley F. Howe 1965-5-21 Placer Mouth of canyon on south side of north fork of American River. 305 Comment
  UCD18253  Erigeron glacialis E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 465 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
  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-BC300818  Erigeron glacialis var. glacialis John H. Thomas; Hazelle A. Thomas 1956-7-21 6111 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC148937  Erigeron glacialis var. glacialis H. M. Hall 1910-7-11 8754 Placer near Cisco Comment
  UC485152  Erigeron glacialis var. glacialis Katharine Brandegee 1909-7-1 Placer Emigrant Gap Comment
  UCD21714  Erigeron glacialis var. glacialis Beth Lowe Corbin 1982-8-10 291 Placer 3/4 mile WSW of Onion Creek campground. In fine, sandy and organic soil. Small meadow in White Fir forest. Ray flowers pale purple, disc yellow. Partial sun. SE facing slope, 10% incline. Common. 2023 Comment
  SD240858  Erigeron inornatus var. inornatus G. K. Helmkamp, E. A. Helmkamp 2007-8-1 12645 Placer Northern Sierra Nevada Mountains: Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border. 2150 Comment
  SEINET3246091  Erigeron inornatus var. inornatus G. K. Helmkamp, E. A. Helmkamp 2007-1 12628 Placer Northern Sierra Nevada Mountains: Southeast of Cisco Grove; along local road just before it passes under Interstate-80. 1743 Comment
  UCR190155  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2007-8-1 12645 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  RSA0049720  Erigeron miser Dean Wm. Taylor 2013-8-7 21396 Placer Coldstream Valley, headwaters of Cold Creek, draining the southeast flank of Mt. Judah 1889 Comment
  UCD75898  Erigeron miser G. Ledyard Stebbins 1968-8-15 6857 Placer Devil's Peak, southwest of Soda Springs. (Exact location unknown. Coordinates estimated by label maker.) 2286 Comment
Read comments
May 14 2014
  UCR257631  Erigeron peregrinus subsp. callianthemus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19533 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
  SD43658  Erigeron philadelphicus Darley F. Howe 1948-5-21 Placer 455 Comment
  UC87712  Erigeron pumilus var. intermedius C. F. Sonne Aug 1894 Placer Truckee River, Sierra Nevada Mountains Comment
  UCD132077  Erigeron sumatrensis Walter H. Johnson 1959-12-1 s.n. Placer Near Blue Canyon on Highway 40. 152 Comment
  CDA19537  Eriodictyon californicum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 251 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  CHSC91621  Eriodictyon californicum M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 251 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  JEPS14  Eriodictyon californicum W. H. Shockley June 1886 Placer Auburn Comment
  UCD21934  Eriogonum incanum Rex Palmer 1979-6-9 N 141 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  SEINET5330422  Eriogonum lobbii W. D. Billings 1951-8-12 2142 Placer just W. of highway maint. Sta., Donner Summit, Sierra Nevada, 2195 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
  SEINET3405037 Image available Eriogonum luteolum var. pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax 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
  SEINET5330591  Eriogonum marifolium A. Tiehm, Emily McPherson 1974-1 523 Placer Juniper creek 2408 Comment
  SCFS11529123  Eriogonum nudum E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UCR229453  Eriogonum nudum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17899 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  CAS-BOT-BC264806  Eriogonum nudum var. deductum unspecified No date on label. 12884 Placer Summit Station 2121 Comment
  JEPS56632  Eriogonum nudum var. deductum W. L. Jepson 1918-7-30 7729 Placer near Tahoe City; Lake Tahoe 1920 Comment
  LA84263  Eriogonum nudum var. deductum O. H. Kappler; 1946-7-18 sn Placer Lake Tahoe, N shore 1920 Comment
  CAS-BOT-BC264809  Eriogonum nudum var. deductum Peter Rubtzoff; Edward W. Colson 1976-7-7 8735 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  SD248478  Eriogonum nudum var. oblongifolium George K. Helmkamp, Elizabeth A. Helmkamp 2012-9-25 19916 Placer Northern Sierra Nevada Mountains: junction of Nyack Road and I-80 in the Emigrant Gap area (Blue Canyon 7.5'Q) 1652 Comment
  SD50757  Eriogonum nudum var. pubiflorum Darley F. Howe 1959-8-1 2769 Placer 2 miles north of Auburn 456 Comment
  CAS-BOT-BC269941  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  CAS-BOT-BC265153  Eriogonum umbellatum var. nevadense Henry M. Pollard 1936-7-1 s.n. Placer Mt. Lincoln, Donner region Comment
  CAS-BOT-BC265154  Eriogonum umbellatum var. nevadense Henry M. Pollard 1936-7-1 s.n. Placer Mt. Lincoln, Donner region 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
  CDA16813  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 2001-7-15 15952 Placer Sierra Nevada; Face of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  JEPS111107  Eriogonum umbellatum var. nevadense Steve Matson 2005-7-16 1399 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  UCD22118  Eriogonum umbellatum var. nevadense Rex Palmer 1979-7-25 N 678 Placer Headwaters basin area of the North Fork of the American River Comment
  UC6478  Eriogonum umbellatum var. torreyanum C. F. Sonne Sept. 1885 Placer bank of Squaw Creek on Rd to Tahoe; Squaw Creek Comment
  UC66982  Eriogonum ursinum P. B. Kennedy and S. B. Doten 1901-8-6 236 Placer Summit Soda Springs Comment
  UC767885  Eriogonum ursinum R. F. Hoover 1938-7-30 3711 Placer Emigrant Gap Comment
  UC77787  Eriogonum ursinum Kellogg 1870-6-15 Placer Cisco Comment
  CDA22693  Eriogonum wrightii subsp. trachygonum T. C. Fuller 1962-9-2 9626 Placer Hampshire Rocks, Highway 40 (old road before freeway construction), 0.9 mile east of Big Bend Ranger Station. 0 Comment
  RSA789733  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  UCR208566  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14604 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UCR231853  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16767 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  JEPS34505  Eriophyllum lanatum var. grandiflorum L. S. Smith 1925-6-3 1617 Placer along road below Yankee Jim; Tahoe National Forest 746 Comment
  UC31785  Eriophyllum lanatum var. grandiflorum C. F. Sonne 1891-5-17 17 Placer below Auburn; Sierra Nevada Mountains Comment
  UCR173263  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10426 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UC148928  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-4 8744 Placer Cisco Sierra Nevada Mountains (s of Snowsheds, near type-locality of Bahia cuneata) 1828 Comment
  UC148941  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-6-10 8753 a Placer Cisco Butte; near type-locality of Bahia cuneata 1950 Comment
  UC31786  Eriophyllum lanatum var. integrifolium C. J. Fox Jr. 1895-7-1 Placer near Squaw Peak 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
  JEPS113114  Erodium brachycarpum Lowell Ahart, Brian Williams 2007-4-13 13649 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  CDA37173  Erodium brachycarpum CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  SEINET8526933  Erodium brachycarpum S. L. Sedillos 1976-3-13 s.n. Placer South of Auburn, along the north fork of the American River 274 Comment
  CDA36888  Erodium cicutarium CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCD21176  Eryngium castrense Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-5 351 Placer Orchard Creek Mitigation Bank. UTMs 10S0646175; 4300069. Comment
  RSA101902  Erysimum capitatum G. B. Rossbach 1940-6-2 933 Placer Near NW shore Lake Tahoe. 1982 Comment
  JEPS126363  Erysimum capitatum var. capitatum Steve Matson 1998-6-23 283 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. Comment
  RSA756758  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15214 Placer Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  UCR208278  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14640 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UC188620  Erysimum cheiranthoides C. F. Sonne 1897-6-1 Placer w slope of mts. Washoe Mts. (along r.r.); Date as June 1897 Comment
  CDA16815  Erysimum perenne G. F. Hrusa, J. Glazner 2001-7-15 15954 Placer Sierra Nevada; N summit face of Crows Nest Pk. immed. W of Sugarbowl. 2346 Comment
  JEPS72061  Erysimum perenne Gladys L. Smith 1972-6-20 3210 Placer open plateau about terminus of Summit chairlift; Ward Peak 2621 Comment
  UC128132  Erysimum perenne Miss Harriet A. Walker 1908-7-25 1421 Placer Cisco 1810 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
  SCFS1218  Erythranthe moschata E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top of meadow. 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
  RSA25447  Erythronium californicum C. L. Hitchcock 1940-5-7 6310 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC505239  Erythronium grandiflorum Emily McPherson 1976-6-12 76- 5 -3 Placer Along trail Lock Leven Lakes 2072 Comment
  POM260107  Erythronium multiscapideum C. L. Hitchcock 1940-5-7 6310 Placer 1 mile west of Baxter Comment
  UC3614  Erythronium multiscapideum H. N. Bolander 1865-4-11 4527 Placer shady hillsides Auburn Comment
  CHSC10606  Erythronium purpurascens Lowell Ahart 1963-7-2 Placer Near Robinson Flat. 1828 Comment
  JEPS61870  Erythronium purpurascens L. S. Smith 1926-5-26 1867 Placer Tahoe Forest, Duncan Canyon 1676 Comment
  SEINET5339902  Eschscholzia californica D. A. Buck 1959-3-27 5 Placer Along highway 40 just north of Auburn. 411 Comment
  UCSB45740  Eschscholzia lobbii Reisentz, Paul 1979-5-11 Placer 1 mile south of Sheridan; on Highway 65 Comment
  CAS-BOT-BC310371  Eucephalus breweri L. S. Smith 1927-7-1 2155 Placer Robertsons Flat, Forest Hill Distr. Comment
  CAS-BOT-BC310372  Eucephalus breweri M. E. Parsons 1910-7-21 s.n. Placer Ward Creek, Lake Tahoe 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
  UC485464  Eucephalus breweri Katharine Brandegee 1914-8-1 Placer Ellis Meadows Comment
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Dec 11 2014
  UCD18255  Eucephalus breweri E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 467 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
  POM260049  Euphorbia crenulata C. L. Hitchcock 1940-5-7 6307 Placer 1 mile west of Baxter. Comment
  SD255715  Euphorbia nutans George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20036 Placer Sierra Nevada Mountains Foothills: city ofNorth Auburn, corner of Locksley Lane and CA-49 (Auburn 7.5'Q) 384 Comment
  UCD38932  Euphorbia serpillifolia Beecher Crampton 1961-9-27 6005 Placer 1 mile west of Cisco Grove, along US Hwy 40. Comment
  UCR190713  Euphorbia serpillifolia George K. Helmkamp, E. A. Helmkamp 2007-9-14 12952 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCD21697  Eurybia integrifolia Beth Lowe Corbin 1982-8-23 405 Placer 2 miles WSW of The Cedars. In fine, sandy, rocky soil. Open, logged White Fir forest. Rays purple, disc yellow. Mostly sun. North facing slope, 40% incline. Occasional. 1981 Comment
  UCD43059  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 427 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43311  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 679 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS126298  Eurybia radulina Steve Matson 1998-7-1 176 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  SEINET3411995 Image available Festuca bromoides George K. Helmkamp, E. A. Helmkamp 2012-3-31 18647 Placer Sacramento Valley: along CA-193, 0.1 mile W of its junction with Sierra College Blvd. 88 Comment
  UCD65923  Festuca elmeri Beecher Crampton 1955-6-15 2890 Placer Junction of Iowa Hill - Forest Hill Roads, 2.5 miles north of Yankee Jim. Comment
  CHSC112167  Festuca occidentalis Dean Wm. Taylor 2013-6-19 21371 Placer Ralston Ridge (ca 15 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down from (North of) Forest Road 25 along the ridgecrest. 1482 Comment
  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
  UCD37227  Festuca occidentalis Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  CHSC72898  Festuca rubra L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5772 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SACT001191  Festuca rubra D. Meyer 1983-9-10 Placer West end near parking lot. Moist streambank and meadow. 1879.0 Comment
  SACT001219  Festuca rubra D. Meyer 1984-6-23 Placer Hillside northwest of dam. 1212.0 Comment
  SACT001203  Festuca viridula Michael Baad 1983-8-21 Placer 2.4 miles southwest of Soda Springs exit off of Interstate80. 2019.0 Comment
  SACT001209  Festuca viridula Michael Baad 1983-8-27 Placer One mile west toward Cherry point. 2133.0 Comment
  UC1132024  Festuca viridula B. Bolt 1934-7-12 106 Placer Snow Mt. Tahoe National Forest, Truckee Quad. 2438 Comment
  SACT001213  Festuca viridula Michael Baad 1983-8-21 Placer 2072.0 Comment
  UCSB24095  Fragaria vesca Orr, K. 1966-4-5 Placer 2 miles south of interstate 80 on Applegate Rd. 853 Comment
  JEPS111210  Fragaria virginiana Steve Matson 2005-7-4 1366 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
  SEINET7417536 Image available Frangula californica subsp. californica A. A. Heller 1917-1 12680 Placer near Dutch Flat 914 Comment
  CAS-BOT-BC53543  Frangula californica subsp. tomentella Doris K. Kildale 1928-8-23 6644 Placer near Colfax Comment
  CAS-BOT-BC53546  Frangula californica subsp. tomentella Catherine Best 1985-9-15 1147 Placer near Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  UCR235616  Fritillaria affinis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18911 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
  CHSC105853  Fritillaria agrestis Karen I. Callahan; Brad Carter 2010-2-25 22 Placer Sacramento Great Central Valley. Johnson Springview Park, managed by city of Rocklin, population is 1/4 mile from park entrance and just north of Farron Street Bridge, close to Antelope Creek. 62 Comment
  JEPS73035  Fritillaria atropurpurea Gladys L. Smith 1972-6-19 3169 Placer Tahoe City 1901 Comment
  CAS-BOT-BC505322  Fritillaria micrantha Catherine A. Toschi 1963-3-23 63 : 78 Placer 3 miles east of Auburn Comment
  UCD22291  Galium aparine Rex Palmer 1979-6-21 N 378 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC28188  Galium bifolium Kellogg June 1870 Placer Cisco Comment
  UCD42915  Galium bifolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 283 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC28189  Galium bifolium Kellogg 1870-6-13 Placer Camp Yuba Sierra Nevada, Cisco Comment
  RSA0053710  Galium bolanderi G. K. Helmkamp, E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  UC147652  Galium bolanderi Harriet A. Walker 1908-6-24 1280 Placer Blue Canyon 1432 Comment
  UCR206857  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15200 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UC102505  Galium grayanum C. F. Sonne 1893-8-27 Placer Tinker's Knob Comment
  UCD149387  Galium grayanum G. Ledyard Stebbins 1969-7-20 6949 A Placer Ridge south of North Fork of the American River, between Sailor Canyon and Wildcat Canyon. (Exact location unknown. Coordinates estimated by label maker.) 1950 Comment
  CDA16821  Galium grayanum subsp. grayanum G. F. Hrusa, J. Glazner 2001-7-15 15961 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  SEINET12285647  Galium multiflorum C. F. Sonne 1885-1 133 Placer mts. above Coldstrain Comment
  CDA36878  Galium murale CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CHSC74259  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-10 98 -325 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  JEPS59352  Galium trifidum var. pusillum Ezra Brainerd and Viola B. Baird 1915-7-22 224 Placer margin of river just above Bear Rock Camp; Sierra Nevada Mts., Truckee River 1889 Comment
  UCD22294  Galium triflorum Beth Lowe Corbin 1982-8-3 201 Placer Hill west of Onion Creek Campground. SW facing slope. Partial sun. Uncommon. In deep conifer duff over fine, sandy, granitic soil of white fir forest. Perennial from underground rootstock. Stems weak, decumbent. 1853 Comment
  CAS-BOT-BC56287  Gaultheria ovatifolia G. L. Stebbins 1968-6-20 6725 Placer Placer County Big Trees Reserve 1584 Comment
  CAS-BOT-BC478892  Gayophytum Beecher Crampton 1985-6-23 9993 Placer North Shore Lake Tahoe, Stateline road 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
  UCR240913  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19234 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UCD150711  Gayophytum ramosissimum James A. Neilson Jr. 1970-1 1936 Placer Tahoe Basin, Lower Ward Creek. 2011 Comment
  UC146056  Gentiana calycosa Mrs. W. S. Chandler Sept., 1910 Placer Deer Park Comment
  SEINET10880779 Image available Gentiana calycosa William H. Brewer 1864-1 Brewer 2164 Placer Sierra Nevada. 2682 Comment
  UC22753  Gentiana calycosa State Survey 1863-8-28 2164 Placer near Summit (between Squaw Valley and Forest Hill) Comment
  UCD148937  Gentianopsis simplex Albert Grigarick 2013-8-4 357 Placer North margin of Van Norden Lake. Comment
  UCD44024  Gentianopsis simplex C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1390 Placer Lake Tahoe Basin. Comment
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Nov 8 2013
  SEINET4691436  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-1 17142 Placer Sacramento Valley: east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road. 98 Comment
  SD43657  Geranium dissectum Darley F. Howe 1948-5-21 1912 Placer 456 Comment
  SEINET5744366 Image available Geranium dissectum Allen Fone 1975-1 s.n. Placer 5 miles W of Foresthill on Auburn-Foresthill Road.; Foresthill 914 Comment
  CAS-BOT-BC248301  Geranium molle George K. Helmkamp; E. A. Helmkamp 2011-4-10 17135 Placer Sacramento Valley: east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCR224862  Geranium molle George K. Helmkamp, E. A. Helmkamp 2010-4-23 15910 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  JEPS111121  Geum triflorum Steve Matson 2005-7-30 1426 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), north side of ridge high point facing large rocky pinnacle (south of Emigrant Pass) 39.1885 N, 120.2775 W; elevation 8,700 ft. 2651 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
  RSA0004760  Gilia capillaris C. C. Hall 1910-6-25 8710 Placer Cisco, in the Upper Transition Zone 1850 Comment
  CHSC83145  Gilia capitata Renee Shahrok 1986-6-24 16 Placer Junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  SEINET12765127  Gilia capitata subsp. mediomontana Lowell Ahart 2006-7-9 12936 Placer About 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir.; 0 1661 Comment
  UCR250166  Gilia capitata subsp. mediomontana George K. Helmkamp, Mary Alice Barnes 2013-5-3 20482 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
  UCR256998  Gilia capitata subsp. pedemontana George K. Helmkamp, Amy Barnes 2014-4-23 22787 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
  RSA83087  Gilia capitata subsp. pedemontana Verne Grant, Alva Grant 1947-5-5 7970 Placer Road bank near Weimar 671 Comment
  SEINET3163581  Gilia filicaulis M. E. Jones 1882-7-3 sn Placer Colfax Comment
  SEINET7963111 Image available Gilia leptalea Lewis S. Rose 1941-1 41319 Placer Chambers Lodge (McKinney), Lake Tahoe 1920 Comment
  UCR120494  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5072 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  UCR209738  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-8-12 15446 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill 2020 Comment
  SEINET7719995  Gilia tenella Unknown Placer Summit Comment
  UC30184  Gilia tricolor subsp. diffusa H. N. Bolander 1865-4-13 4574 Placer near Auburn; near Auburn Comment
  UCR207898  Gilia tricolor subsp. diffusa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14582 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  SEINET9366804  Githopsis specularioides Unknown 2002-5-22 255 Placer Hughes Mill, along Finning Mill Rd, ~3 mi N of Forest Hill Rd, ~3 mi E of Forest Hill. Serpentine, open forest, bogs, flats, slopes. Disturbed considerably in past on lower area, flats than on upper slopes. Open serpentine flats on slopes above road. Comment
  CAS-BOT-BC282691  Glyceria elata Saichi Kawahara 1969-7-6 1005 Placer West bank of Indian Creek, Mel Henderson Ranch 987 Comment
  CAS-BOT-BC282692  Glyceria elata Margaret Williams 1974-8-8 74 -p1-39 Placer Murphy's Meadow, 5 miles southeast of Hirschdale, Sierra Nevada 2316 Comment
  CDA25012  Glyceria elata J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Moist meadow betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC74166  Glyceria elata Susi Urie 1998-8-13 98 -034 Placer Lake Tahoe Basin-National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SACT001260  Glyceria elata Michael Baad Placer No date listed. 2072.0 Comment
  JEPS75581  Glyceria grandis W. L. Jepson 1934-8-7 16882 Placer near Squaw Creek; Truckee River Comment
  JEPS75680  Glyceria grandis W. L. Jepson 1934-8-7 16882 Placer near Squaw Creek Truckee R. Comment
  SACT001275  Glyceria striata Michael Baad 1976-8-4 Placer At end of jeep road, 2 miles east of Talbot Camp. Northeast of Mildred Ridge. 1975.0 Comment
  UC53407  Glyceria striata J. Burtt Davy Jun 25 1897-Jun 30 1897 3268 Placer near Truckee River; Truckee River Basin Comment
  UCD43214  Gnaphalium palustre C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 583 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  RSA739694  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. 40 Comment
  CHSC68056  Gratiola heterosepala James D. Jokerst; Mary Meyer 1987-4-17 2806 Placer Johnson Ranch N of Douglas Rd. and E of Hwy. 80. Comment
  RSA750432  Grindelia squarrosa var. serrulata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14015 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UCD22126  Hackelia Rex Palmer 1979-6-21 N 419 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR562  Hackelia Frank C. Vasek 1955-6-29 265 Placer Sierra Nevada Mountains, Sugar Bowl, near Donner Pass [ski area, c. 1 mi. east of Lake Van Norden] 2141 Comment
  UCD42948  Hackelia micrantha C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 317 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC2042517  Hackelia nervosa Barbara Keller and Holly Forbes 2010-7-13 Placer Tahoe National Forest, Alpine Meadows under Hot Wheels Ski Lift opposite Scott Lift. Comment
  POM153473  Hackelia velutina P. A. Munz 1928-6-25 11090 Placer Tahoe Canyon, Lake Tahoe. 2073 Comment
  SEINET11849143  Haplopappus bloomeri L. S. Rose 1938-1 38270 Placer Truckee River, 3 mi NW of Tahoe City 1829 Comment
  SEINET6646518  Hedera helix H. N. Mozingo 1977-3-19 77 -5 Placer Above Middle Fork, on road to Cool, near top of canyon 457 Comment
  POM359761  Helenium puberulum Wm. Martin 1971-9-10 20238 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  UC80318  Helenium puberulum Brandegee 1889-7-5 Placer Newcastle Comment
  UC88866  Helianthella californica subsp. nevadensis unknown 1888-9-1 Placer Blue Canyon Comment
  CAS-BOT-BC314785  Helianthella californica var. nevadensis L. S. Smith 1925-7-10 1665 Placer French Meadows, Tahoe Forest 1828 Comment
  CAS-BOT-BC305357  Helianthus annuus C. F. Sonne 1887-8-28 s.n. Placer Sierra Nevada Mountains. On Truckee River Comment
  SBBG128841  Hemieva ranunculifolia G. K. Helmkamp, E. A. Helmkamp 2010-8-14 16779 Placer American Hill Rd, (Forest Route 13), 4.7 mi S of its jct with Foresthill Rd and just S of a crk crossing 1552 Comment
  CAS-BOT-BC314975  Hemizonella minima Harriet A. Walker 1910-6-1 2036 Placer Deer Park, Lake Tahoe District Comment
  SEINET3147513  Hemizonella minima L. S. Rose 1940-5-29 40411 Placer 3 mi NE of Emigrant Gap 1676 Comment
  UCD44454  Heracleum maximum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1820 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS14032  Hesperolinon micranthum Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3871 Placer n-facing serpentine slope just s Shirttail Public Camp (about 6 mi e of Iowa Hill); Tahoe Nat. Forest 1097 Comment
  SEINET4691682  Hesperolinon micranthum George K. Helmkamp, E. A. Helmkamp 2010-1 16760 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek. 1082 Comment
  SFV18651  Heterocodon rariflorum J. D. Dilley 2002-7-3 466 Placer Sierra Nevada Onion Valley south of Emigrant Gap. Mudflat by stream in an area burned one year ago (Gap Fire 2001). Comment
  UC380603  Heteromeles arbutifolia Marcus E. Jones, A. M. 1882-7-3 Placer Colfax Comment
  CAS-BOT-BC310269  Heterotheca grandiflora A. A. Heller 1923-10-25 13833 Placer Along the highway south of Wheatland near Bear River Comment
  LA100707  Heterotheca villosa var. minor E. Stern; 1981-8-2 Placer The Cedars Comment
  RSA0063051  Heuchera rubescens var. alpicola Lyman Benson 1933-6-26 4538 Placer Cisco, U.S. 40. Sierra Nevada range, Bear River watershed. 1829 Comment
  UC11368  Heuchera rubescens var. glandulosa Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC319598  Hieracium albiflorum E. A. McGregor 1909-8-13 122 Placer Susie Lake Trail near Alta 2316 Comment
  CAS-BOT-BC316039  Hieracium scouleri K. Templeton; B. Love 1988-8-6 s.n. Placer Middle Fork American River 423 Comment
  CAS-BOT-BC312968  Hieracium triste L. S. Smith 1928-7-18 2481 Placer Tahoe National Forest. Ward Peak and down slope 2438 Comment
  JEPS126276  Hippuris vulgaris Steve Matson 2002-6-16 532 Placer Truckee River Canyon about 1 mile downstream (west) of Tahoe City and Highway 89, next to Tahoe Rim Trail. Comment
  SACT001284  Holcus lanatus Josephine Van Ess 1976-6-16 Placer Collected just south of Douglas Blvd. Moist streambank. Comment
  SACT001288  Holcus lanatus D. Meyer 1984-8-19 Placer 8.4 km north of I80 103.0 Comment
  SACT001292  Holcus lanatus D. Meyer 1983-7-16 Placer 1212.0 Comment
  UC194231  Holocarpha virgata subsp. virgata H. M. Hall 1914-8-2 9837 Placer near Placer; Sacramento Valley 60 Comment
  UC114718  Holodiscus discolor C. F. Sonne 1886-7-17 Placer along Truckee River, Placer Co. Comment
  UCD22267  Holodiscus discolor var. microphyllus Rex Palmer 1979-6-9 N 144 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  SACT001312  Hordeum brachyantherum D. Meyer 1984-8-26 Placer 1660.0 Comment
  UCD44015  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1381 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44601  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1967 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD44690  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2056 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SACT001324  Hordeum californicum D. Meyer 1983-8-20 Placer Moist roadside meadow some revegetation following residential construction. 2000.0 Comment
  SACT001340  Hordeum geniculatum D. Meyer 1983-7-3 Placer 1152.0 Comment
  CDA36990  Hordeum leporinum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  SACT001377  Hordeum leporinum D. Meyer 1983-5-7 Placer 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
  UCR258540  Hordeum murinum subsp. glaucum George K. Helmkamp, Amy Barnes 2014-3-21 22634 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  SEINET4670488  Hordeum murinum subsp. leporinum R. Oliver 1976-4-13 s.n. Placer Auburn 366 Comment
  UCD86534  Hordeum vulgare Beecher Crampton 1957-5-7 3982 Placer Along US Hwy. 99E, 3.2 miles N of Roseville. Comment
  CAS-BOT-BC537864  Horkelia fusca var. parviflora A. A. Heller 1919-7-25 13302 Placer Sandy flat near the Yuba river, below Cisco 1676 Comment
  CAS-BOT-BC537867  Horkelia fusca var. parviflora Lewis S. Rose 1963-7-11 63211 Placer Tahoma, Lake Tahoe 1915 Comment
  SEINET9349643  Horkelia tridentata Unknown 2009-5-11 14651 Placer Sierra Nevada Mountains Foothills Comment
  JEPS127539  Hosackia crassifolia var. crassifolia Steve Matson 1998-8-15 352 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork northeast of bog. Comment
  CHSC74677  Hypericum anagalloides Susi Urie; Eric Schroder 1998-9-11 98 -336 Placer Lake Tahoe Basin Management Unit - National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  RSA751264  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14033 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  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
  UC871859  Hypericum formosum var. scouleri P. A. Lebenbauer 1932-9-5 Placer along Truckee R. near Tahoe City 1889 Comment
  RSA643337  Hypericum perforatum R. D. Goeden, D. W. Ricker 1967-6-9 s.n. Placer near Auburn 400 Comment
  JEPS126290  Hypericum perforatum subsp. perforatum Steve Matson 1998-8-15 378 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; near Highway 28. Comment
  CHSC3557  Ilex cornuta Gary Dutton 1966-2-19 62 Placer 227 Donner Ave. Roseville, Calif. in front yard. Comment
  JEPS124894 Image available Ipomopsis aggregata Laurel Loeblich 1964-7-12 94 Placer 1.9 miles south of Lake Tahoe City of HIghway 89. Comment
  UC1249640  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer ca 1.5 mi s Homewood (along state hwy 89) Comment
  UC23335  Ipomopsis aggregata A. M. Carpenter 1893-8 Placer Comment
  RSA35126  Ipomopsis aggregata subsp. formosissima L. S. Rose 1944-7-10 44048 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UC879923  Ipomopsis congesta Alice Eastwood Jun 15 1912-Jun 19 1912 369 Placer Deer Park Lake Tahoe region Comment
  UCR235503  Iris hartwegii subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2012-5-11 18942 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  JEPS71902  Ivesia gordonii Gladys L. Smith 1972-8-25 3410 Placer trail to Granite Chief (about the base of Watson Memorial) 2590 Comment
  JEPS72258  Ivesia gordonii Gladys L. Smith 1972-6-20 3256 a Placer summit area Ward Peak 2621 Comment
  SEINET11911561  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 s.n. Placer Tinker Knob, near Truckee 2896 Comment
  UCD141311  Juncus articulatus subsp. articulatus Malcolm A. Nobs; S. Galen Smith 1949-8-22 1537 Placer 6 miles northwest of Auburn on Dunn's Dam Road. Comment
  UC1100932  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-21 1515 Placer n end Lake Tahoe (between Sandy Beach and Agate Bay) Comment
  JEPS113259  Juncus bufonius var. bufonius Lowell Ahart, Brian Williams 2007-4-13 13657 Placer On damp granite soil, on the bottom and sides of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  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
  UCD42865  Juncus chlorocephalus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 232 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD75823  Juncus chlorocephalus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5182 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
  UCR209722  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15448 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  UCD158707  Juncus confusus James A. Neilson Jr.; Dianne Q. McQuaid 1972-8-10 3584 Placer Tahoe Basin, Lower Ward Valley. 1981 Comment
  UCD163531  Juncus effusus Peter Rubtzoff 1979-8-31 9419 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass quadrangle, 15 minute series). At Serene Lakes Lodge. Comment
  UCD141530  Juncus ensifolius G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12647 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  UCD43298  Juncus macrandrus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 666 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC67713  Juncus mertensianus James D. Jokerst 1986-7-13 2720 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, in Sheet Valley. Basin. 2133 Comment
  POM110847  Juncus nevadensis Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UCD162582  Juncus nevadensis var. nevadensis Steve Matson 2002-8-4 666 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; 100 meters north of pond. 1908 Comment
  CDA15943  Juncus occidentalis G. F. Hrusa, J. Glazner 1999-7-17 15151 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC73106  Juncus orthophyllus L. P. Janeway 1998-8-6 5982 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
  UCD43904  Juncus orthophyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1270 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD21852  Juncus parryi Rex Palmer 1979-6-19 N 258 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD141873  Juncus phaeocephalus var. paniculatus John Thomas Howell; Gordon H. True 1971-7-1 48323 Placer Northern outskirts of Lincoln. 48 Comment
  CHSC68036  Juncus uncialis James D. Jokerst 1986-4-14 2616 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  JEPS46586  Juniperus californica Harriet P. Kelley 1914-7-14 Placer rocky hill side above Yuba River; Cisco Comment
  CAS-BOT-BC235567  Keckiella breviflora L. S. Smith 1926-5-23 1830 Placer Tahoe National Forest, American River slopes, below Forest Hill 548 Comment
  CAS-BOT-BC235570  Keckiella breviflora Marcus E. Jones 1882-6-28 3276 Placer Emigrant Gap Comment
  SCFS5071  Keckiella breviflora E. Krimmel, Faerthen Felix 2014-6-26 Placer North Fork American River Headwaters Basin, NFAm. Heath Falls trail. 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-BC235627  Keckiella breviflora var. breviflora David D. Keck 1933-6-1 2432 Placer 2.3 miles southeast of Loomis on back road to Folsom Comment
  CHSC79565  Kelloggia galioides Frederic Hrusa; L. Serafini 1993-6-29 11264 Placer Duncan Creek approx. 5 meters upstream from Mosquito Ridge Rd. bridge crossing, and 1 mile N of French Meadows Reservoir. 1500 Comment
  JEPS111242  Kelloggia galioides Steve Matson 2005-6-19 1298 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  POM263779  Kelloggia galioides L. S. Rose 1941-7-21 41338 Placer Chambers Lodge (McKinney), Lake Tahoe. 1900 Comment
  UC1125663  Kelloggia galioides B. Bolt 1934-7-19 152 Placer 1 mi s Whiskey Hill; Tahoe National Forest 1645 Comment
  UCD128375  Kelloggia galioides Albert Grigarick 2012-6-19 324 Placer Tahoe Rim Trail, Approx. 1.75 mi S Martis Peak Lookout. 2506 Comment
  UCD74256  Kelloggia galioides Jennifer W. Burt 2005-8-30 98 Placer Olympic Hill' abandoned ski run (near Granlibakken resort off Hwy 89 in Tahoe City) - collected from adjacent coniferous forest. 2034 Comment
  UCR258166  Kickxia elatine George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20042 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  SD240808  Koeleria gerardi George K. Helmkamp, E. A. Helmkamp 2010-4-23 15916 Placer Sierra Nevada Mountain Foothills: along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mi. north of the American River crossing (Pilot Hill 7.5'Q) 199 Comment
  CHSC3141  Kolkwitzia amabilis Gary Dutton 1966-4-29 165 Placer Found at 228 Donner Ave in backyard. Roseville. Comment
  CAS-BOT-BC341355  Lagophylla glandulosa David D. Keck 1932-6-30 1587 Placer 0.3 miles N. of Weimar P.O. 685 Comment
  CAS-BOT-BC341360  Lagophylla glandulosa John Thomas Howell 1929-10-4 4435 Placer 4 miles below Colfax on road to Auburn Comment
  JEPS12637  Lagophylla ramosissima W. H. Shockley 1886-6-20 Placer Auburn Comment
  UCD21778  Lagophylla ramosissima Beth Lowe Corbin 1982-8-3 167 Placer Onion Creek campground. 1841 Comment
  SEINET7949749  Lamium amplexicaule C. Petterson, A. Berringhoff 1930-1 2793 Placer 5 mi. E of Lincoln. Comment
  UCR66538  Lasthenia fremontii C. B. Wolf 1937-5-12 08621 Placer Sacramento Valley, 1 mi north of Lincoln 46 Comment
  CAS-BOT-BC213500  Lathyrus jepsonii subsp. californicus Marcus E. Jones 1883-7-1 s.n. Placer Emigrant Gap Comment
  UCD106371  Lathyrus lanszwertii var. lanszwertii C. L. Hitchcock 1949-6-6 19069 Placer Roadside ca. 5 miles south of Tahoe, W side of Lake Tahoe. Comment
  UCD106347  Lathyrus latifolius Beecher Crampton 1972-7-26 8854 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  SD241007  Lathyrus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road. 1041 Comment
  UC15345  Lathyrus nevadensis var. nevadensis State Survey 1865-4-13 4629 Placer Forest Hill Comment
  CAS-BOT-BC175712  Lathyrus sulphureus G. 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
  CDA17000  Lathyrus sulphureus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16053 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC212331  Lathyrus sulphureus unknown May 1892 Placer Auburn Comment
  UC864571  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer ca 1 mi w Baxter Comment
  UC30610  Layia fremontii H. N. Bolander 1865-4-11 4548 Placer near Auburn Comment
  CAS-BOT-BC327725  Layia pentachaeta Brandegee no date on sheet s.n. Placer Roseville Comment
  UCD133970  Layia pentachaeta subsp. pentachaeta G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10714 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
  SEINET11447839 Image available Layia platyglossa R. L. Smith 1942-4-3 9 Placer 5 miles E of Roseville 122 Comment
  JEPS71354  Lemna turionifera L. R. Heckard with R. Bacigalupi, T. I. Chuang 1973-7-28 3456 Placer 7 mi s of Sierra County line (w of highway 89, on n side of Sage Hen Creek); Sage Hen Creek 1889 Comment
  JEPS113110  Leontodon saxatilis subsp. longirostris Lowell Ahart, Brian Williams 2007-4-13 13633 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
  UC91866  Leontodon saxatilis subsp. saxatilis Brandegee 1889-7-5 Placer Dutch Flat Comment
  UCD115694  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
  CDA32946  Lepidium nitidum P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  CAS-BOT-BC12897  Lepidium strictum L. R. Abrams 1935-1-1 13657 Placer Roseville, Sacramento Valley. Comment
  SD247379  Lepidium strictum George K. Helmkamp, Amy Barnes 2013-3-28 20288 Placer Eastern Sacramento Valley: northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan. 35 Comment
  UCD115876  Lepidium virginicum Robert E. Preston 1984-6-13 455 Placer On W side of Lake Tahoe, ca. 0.4 km N of Kaspian campground, along the margins of bike trail. 1902 Comment
  CAS-BOT-BC60088  Lepidium virginicum var. menziesii A. A. Heller 1917-8-13 1753 Placer Near Summit hotel. 2133 Comment
  UCD75724  Leptosiphon ciliatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5161 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
  UC912323  Lessingia virgata Herbert L. Mason 1929-10-4 5448 Placer on Folsom Road 3 mi s Roseville Comment
  UCD134131  Leucanthemum vulgare R. N. Raynor 1941-7-24 s.n. Placer near Auburn. Comment
  UCD21480  Leucothoe davisiae Beth Lowe Corbin 1982-8-24 416 Placer One and 3/4 miles SW of the Cedars. 1950 Comment
  CAS-BOT-BC123019  Lewisia kelloggii Albert Kellogg 1870-6-27 s.n. Placer Sierra Nevada. Camp Yuba, (Cisco). Comment
  CAS-BOT-BC123020  Lewisia kelloggii Albert Kellogg 1870-6-27 s.n. Placer Sierra Nevada. Camp Yuba, Cisco Comment
  CAS-BOT-BC444160  Lewisia nevadensis Alice Eastwood 1912-6-15 441 Placer Tahoe City, Lake Tahoe Region Comment
  JEPS111329  Lewisia nevadensis Steve Matson 2005-5-24 1240 b Placer Southeast of Truckee, Martis Creek Wildlife Area, 100 meters north of 267, 50 meters west of creek. 39.3033 N, 120.1211 W. Elevation 5,840 ft. 1780 Comment
  CAS-BOT-BC444234  Lewisia pygmaea Betty J. Jorgensen 1944-6-24 491 Placer Cascade Lakes about 6 miles S.W. of Soda Springs Comment
  RSA123078A  Lewisia rediviva N. H. French 1934-6-19 422 Placer 1/4 mile W of Devil s Peak. 2104 Comment
  CAS-BOT-BC436049  Ligusticum grayi A. A. Heller 1919-7-25 13300 Placer Near the Yuba River below Cisco 1676 Comment
  CHSC73002  Ligusticum grayi L. P. Janeway 1998-8-6 5991 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UC875078  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer s. of Summit valley Mt. Lincoln 2499 Comment
  JEPS59354  Ligusticum grayi Ezra Brainerd and Viola B. Baird 1915-7-25 248 Placer Sierra Nevada, Deer Park Rd. 1920 Comment
  UC3704  Lilium kelleyanum Mrs. M. M. Hardy 1893-1 Placer Comment
Read comments
Dec 13 2006
  POM109722  Lilium parvum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  SEINET12057833  Lilium parvum B. C. Templeton 1931-7-4 1504 Placer near Meeks Bay, Lake Tahoe 2280 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
  SBBG122297  Limnanthes alba G. K. Helmkamp with E. A. Helmkamp 2008-4-17 13290 Placer Sacramento Valley Ranch House Rd, 0.2 mi SE of Sheridan 37 Comment
  UCR146678  Limnanthes alba Beecher Crampton 1953-4-13 1096 Placer Sacramento Valley, 2 miles north of Lincoln, Sunnybrook Farm 43 Comment
  SFV8305  Limnanthes alba S. A. Melugin 1969-4-26 69 Placer Near end of Road 5005. 12 Comment
  UC726863  Limnanthes alba subsp. alba A. A. Heller 1940-4-20 15539 Placer on US Hwy 99E near Whitney Station (s of Lincoln) Comment
  POM86007  Limnanthes alba var. detonsa Marcus E. Jones 1882-5-28 3285 Placer Emigrant Gap. Comment
  SEINET3225174 Image available Limnanthes douglasii Marcus E. Jones 1882-6-28 3285 Placer Emigrant Gap. Comment
  UC572434  Linanthus ciliatus N. French 1934-6-22 483 Placer 0.5 mi w Lake Van Norden 2133 Comment
  UC23537  Linanthus filipes Bolander 1865-4-13 4567 Placer Newcastle Comment
  UC702546  Linanthus harknessii L. S. Rose 1941-7-18 41322 Placer Chambers Lodge (McKinney) Lake Tahoe 2100 Comment
  HSC33410  Linaria dalmatica subsp. dalmatica Thomas W. Nelson, James Nelson 1974-6-17 1373 Placer Dollar Point overlooking Lake Tahoe, N of Tahoe City 1585 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
  SD6118  Linaria vulgaris none given Aug 1914 Placer Summit Comment
  JEPS72644  Linum lewisii Gladys L. Smith 1972-6-20 3243 Placer Summit ridge from ski lift to top of Ward Peak 2621 Comment
  UC17252  Linum lewisii C. J. Fox Jr. July, 1895 Placer near Squaw Valley 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
  UC1135297  Lithocarpus densiflorus var. echinoides N. French 1933-8-24 95 Placer Mosquito Ridge; Tahoe National Forest, Colfax Quad. 1524 Comment
  SACT002873  Lithocarpus densiflorus var. echinoides Josephine Van Ess 1982-10-16 Placer Opening in moist forest area shrub. Leaves pale. Comment
  POM92062  Lithophragma parviflorum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  SEINET5501541 Image available Lithophragma parviflorum Sally Walker 1982-8-5 s.n. Placer Ski area above Tahoe, Truckee Rd Comment
  UC530090  Lithophragma parviflorum var. trifoliatum Frances Lindsay 1935-3-29 Placer hilltop opposite Penryn flagstop station on S.P.R.R. cutoff (Rocky Ridge road between Loomis and Lincoln) Comment
  UC193923  Lithospermum californicum C. F. Sonne 1891-6-7 Placer Gold Run Comment
  UC79326  Lithospermum ruderale C. F. Sonne June 1886 Placer <Road to Lake Tahoe> Comment
  CAS-BOT-BC283556  Lolium John Thomas Howell; Gordon H. True 1971-5-26 47619 Placer N limits of Lincoln 48 Comment
  UC1137048  Lolium multiflorum August L. Hormay 1932-5-24 Placer w Auburn; w of Auburn 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
  SACT001458  Lolium perenne Josephine Van Ess 1977-4-29 Placer Collected 1.7 miles west of Watt Ave. Waste corner of field, dried up. 21.3 Comment
  UCD66468  Lolium perenne Beecher Crampton 1975-9-9 9283 Placer Alta, Interstate Hwy. 80 W. Comment
  UCSB32283  Lomatium howellii Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UCR209007  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14628 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  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
  SEINET8056613  Lonicera conjugialis M. J. Williams 1985-7-6 85- 63 -8 Placer Sierra Nevada; Pacific Crest trail between old and new Donner Summits. Comment
  UCD50453  Lonicera conjugialis D. Axelrod 1982-1 s.n. Placer Exact location unknown. Comment
  CAS-BOT-BC240669  Lonicera interrupta Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  UCR250077  Lotus argophyllus var. fremontii George K. Helmkamp, Mary Alice Barnes 2013-5-3 20502 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  JEPS20049  Lotus incanus Leland S. Smith 1926-5-25 1859 Placer e of Michigan Bluff (below Dollar Camp); Mosquito Ridge 1219 Comment
  UC212478  Lotus micranthus Mary E. P. Ames Apr 1895 Placer Auburn Comment
  UCR208265  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14645 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  UCR120239  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5035 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SEINET11268218  Lotus nevadensis var. nevadensis Lowell Ahart, Peter Ahart 2001-10-10 9345 Placer Below the high water line of French Meadows reservoir, near the boat or trail access area on the north west side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles(air) northeast of Forest Hill.; 0 1594 Comment
  UC65765  Lotus nevadensis var. nevadensis P. B. Kennedy and S. B. Doten 1901-8-7 249 Placer Summit Soda Springs Comment
  JEPS59490  Lotus oblongifolius var. oblongifolius Ezra Brainerd and Viola B. Baird 1915-7-12 242 Placer n side Donner Lake; Sierra Nevada Mts. 1828 Comment
  SEINET3694433  Lotus oblongifolius var. torreyi Marcus E. Jones 1881-6-28 2628 Placer Emigrant Gap Comment
  JEPS24946  Lotus pinnatus Marcus E. Jones, A. M. 1882-6-27 3282 Placer Emigrant Gap Comment
  CDA37244  Lotus purshianus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR146925  Lotus purshianus Beecher Crampton 1959-7-23 5423 Placer Sacramento Valley, 6 miles north of Folsom 122 Comment
  UCR194949  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12023 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCR240965  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19917 Placer Northern Sierra Nevada Mountains, junction of Nyack Road and I-80 in the Emigrant Gap area 1652 Comment
  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
  JEPS85678  Lupinus Ruby Van Deventer 1938-7-4 160 Placer Summit Valley Mt. 1249 Comment
  SEINET8058013  Lupinus M. Dailey 1959-4-19 19 Placer Just east of Weimar, on north side of highway 40 427 Comment
  UCD74120  Lupinus adsurgens Jennifer W. Burt 2005-7-13 167 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1980 Comment
  UCR250446  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  OBI12958  Lupinus andersonii Robert F. Hoover 1967-9-5 10834 Placer Carnelian Bay, Lake Tahoe Comment
  CDA27376  Lupinus apertus T. C. Fuller 1973-8-23 19983 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  CHSC906  Lupinus arbustus D. Crummett 1937-5-31 Placer Tahoe Tavern. 1889 Comment
  SCFS1174  Lupinus arbustus E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  UCD106669  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Summit. Comment
  RSA0028923  Lupinus arbustus John F. Emmel 1997-7-25 1509 Placer Sierra Nevada, Donner Pass area. West slope of Mt. Judah. Section 21 and Section 28. 2409 Comment
  CAS-BOT-BC8276  Lupinus arbustus subsp. silvicola Amos Arthur Heller 1909-7-16 9857 Placer Summit 2133 Comment
  UC170081  Lupinus arbustus var. arbustus Helen D. Geis 1912-6 68 Placer Deer Park Comment
  UCSB17489  Lupinus argenteus Breedlove, Dennis 1962-6-13 Placer On the western bank of Lake Tahoe; along State Highway 89; 8.3 miles south of Tahoe City; Sierra Nevada 1889 Comment
  UCD22081  Lupinus argenteus var. heteranthus Rex Palmer 1979-7-12 N 652 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA12003  Lupinus benthamii G. F. Hrusa 1995-5-2 12184 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  UCR208276  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14644 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  UCR224864  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2010-4-23 15908 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  UCR238589  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2012-3-31 18662 Placer Sacramento Valley, along CA-193, 0.3 mile northwest of its junction with Gold Hill Road 131 Comment
  UCR257565  Lupinus benthamii George K. Helmkamp, Amy Barnes 2014-4-23 22774 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
  CDA27396  Lupinus benthamii unknown s.n. Placer Back of Loomis. 0 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
  OBI081422  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer Eastern Sacramento Valley; northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCD164623  Lupinus bicolor Brandi Sorensen 1995-5-12 14 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  SEINET5328112  Lupinus bicolor A. Allen 1950-4-29 20 Placer 3 miles east of Roseville on Highway 40 Comment
  RSA20897  Lupinus bicolor subsp. microphyllus Carl B. Wolf 8630 Placer Sacramento Valley, 2 mi. No. of Lincoln. 53 Comment
  SEINET9339342  Lupinus densiflorus var. densiflorus Unknown 1999-7-17 15148 Placer Martis Valley Comment
  POM216163  Lupinus densiflorus var. lacteus D. D. Keck 1933-6-1 2433 Placer Loomis, city limits on road to Folsom. Comment
  JEPS65249  Lupinus grayi Mrs. M. M. Hardy 1893-1 Placer near Emigrant Gap; near Emigrant Gap Comment
  UC942753  Lupinus latifolius var. columbianus Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4020 Placer near bridge on Rt 49 s Auburn (North Fork American River); North Fork American River 213 Comment
  SEINET8051302  Lupinus latifolius var. columbianus W. D. Billings 1940-5-18 1314 Placer [Sierra Nevada] Gold Run, placer ruined region Comment
  UC127526  Lupinus latifolius var. columbianus Mrs. M. M. Hardy 1893-1 Placer Comment
  UC198112  Lupinus latifolius var. latifolius Katharine Brandegee Aug. 1917 Placer Cisco Comment
  CDA12414  Lupinus lepidus var. sellulus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8542 Ab Placer Lake Tahoe; W end of upper Ward Valley on N side, 4 mi SW of Tahoe City. Comment
  CDA24989  Lupinus lepidus var. sellulus J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC74220  Lupinus lepidus var. sellulus Susi Urie 1998-9-4 98 -269 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  JEPS65065  Lupinus lepidus var. sellulus C. F. Sonne 1886-8-16 54 Placer Mt. slopes above Coldstream; Sierra Nevada Mountains, above Coldstream 2438 Comment
  RSA413788  Lupinus lyallii var. lyallii Bonnie C. Templeton 1931-7-5 1506 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  CAS-BOT-BC438823  Lupinus microcarpus var. densiflorus George K. Helmkamp; Mary Alice Barnes 2013-5-3 20459 Placer Northern Sierra Nevada Mountains Foothills: Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 deg. ) of Auburn. 672 Comment
  UCR194975  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11996 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
  UCR224244  Lupinus microcarpus var. microcarpus George K. Helmkamp, E. A. Helmkamp 2010-4-23 15906 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  UCR194968  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11999 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  UCR235395  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  CAS-BOT-BC329256  Lupinus polyphyllus subsp. superbus Mary P. Wells 1980-9-12 s.n. Placer Near Tahoe City in forest W of Pioneer Way 1524 Comment
  SEINET10488897  Lupinus sellulus P. Rubtzoff 1976-9-19 Rubtzoff 8874 Placer Lake van norden. Dry disturbed (cleared) area on e side of lake, n of the dirt Rd. 2063 Comment
  POM23947  Lupinus sellulus subsp. sellulus Marcus E. Jones 1882-1 s.n. Placer Emigrant Gap. Comment
  SEINET8057999  Lupinus succulentus A. Allen 1950-4-29 18 Placer 1/2 mile west of Rocklin on highway 40, railroad right of way Comment
  POM127158  Lupinus vallicola subsp. vallicola Francis Ramaley 11099 Placer Lincoln 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
  CAS-BOT-BC436673  Luzula comosa var. laxa W. R. Dudley 1893-6-1 s.n. Placer Back of Tallac Comment
  CDA33224  Luzula divaricata Jim Jokerst 1986-7-13 2724 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, in Sheet Valley. Comment
  UCD44569  Luzula subcongesta C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1935 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD147099  Lysimachia nummularia Chuck Hughes 2013-5-14 383 Placer Southwestern margin of Camp Far West Reservoir. 97 Comment
  CHSC82656  Lythrum portula Lowell Ahart 2002-7-22 9890 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
  SCFS1150  Madia E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  CDA36970  Madia elegans D. B. Joley Oct 1985 s.n. Placer Near Loomis. 0 Comment
  CDA15984  Madia elegans subsp. elegans G. F. Hrusa, J. Glazner 1999-7-17 15165 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  POM29875  Madia exigua Bultan 1883-1 s.n. Placer St. Lawrence [now Kelsey, El Dorado Co.] Comment
  SEINET11601369 Image available Madia glomerata C. Rivas, M. Koski 2009-8-24 NV 030 -277 Placer Onion Creek, approx 4 miles after end of pavement on Soda Springs Road 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
  UCR257630  Madia glomerata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19534 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
  UCR190160  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2007-8-1 12651 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCD22057  Maianthemum racemosum Rex Palmer 1979-6-20 N 279 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA300474  Maianthemum racemosum subsp. amplexicaule John Dourley, Walter Wisura 1982-10-13 3858 Placer 1.7 mi SW of Emigrant Gap along forestry rd. 19 1524 Comment
  SEINET12049609  Maianthemum racemosum subsp. amplexicaule J. H. Nishida 1985-1 786 Placer Homewood 1829 Comment
  CAS-BOT-BC512884  Maianthemum stellatum W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  POM33073  Malacothrix floccifera Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  CHSC21398  Malva nicaeensis M. S. Taylor 1975-5-10 572 .5 Placer Ca. 2 mi s of Auburn on Hwy 49, at bridge over American River. 213 Comment
  CAS-BOT-BC438827  Marrubium vulgare George K. Helmkamp; Mary Alice Barnes 2013-5-3 20470 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  UC147602  Marrubium vulgare Harriet A. Walker 1908-6-27 1331 Placer Blue Canyon 1432 Comment
  SEINET7950945  Marrubium vulgare D. F. Erskine 1941-4-27 4 Placer 1 mile E of Roseville. 76 Comment
  CDA42746  Marsilea vestita R. Danielson 1962-6-17 s.n. Placer Highway 99 E to Marysville, 4 miles north of Roseville. 0 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
  CDA37228  Medicago polymorpha CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS65513  Medicago polymorpha W. H. Shockley June 1886 Placer Auburn Comment
  CAS-BOT-BC271156  Melica L. S. Smith 1926-6-18 52232 Placer East of Ice Lakes, Tahoe National Forest 2194 Comment
  CHSC68071  Melica aristata James D. Jokerst 1986-7-12 2685 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, on N side of river. Comment
  CAS-BOT-BC271120  Melica bulbosa John H. Thomas; Hazelle A. Thomas 1956-7-21 6140 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  RSA135800  Melica bulbosa John H. Thomas, Hazelle A. Thomas 6140 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2134 Comment
Read comments
May 29 2013
  SACT001512  Melica harfordii Michael Baad 1976-6-4 Placer 5.2 miles east of Forest Hill on road to French Meadows Reserve 762.0 Comment
  SACT001520  Melica harfordii D. Meyer 1984-6-23 Placer 1 km from i80 frontage road shady hillside with oak and douglas fir. 978.0 Comment
  UCD36652  Melica harfordii Beecher Crampton 1955-6-15 2872 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  SACT001528  Melica stricta Michael Baad 1976-8-4 Placer Ascent of creek bed draining Comment
  SACT001540  Melica torreyana Michael Baad 1983-4-17 Placer 411.48 Comment
  SACT001555  Melica torreyana D. Meyer 1984-6-3 Placer dam lookout 224.0 Comment
  JEPS127464  Mentha arvensis Steve Matson 1998-8-15 374 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork. Comment
  CAS-BOT-BC428533  Micranthes aprica Betty J. Jorgensen 1944-6-24 492 Placer Cascade Lakes about 6 miles S.W. of Soda Springs Comment
  UCD22374  Micranthes bryophora Rex Palmer 1979-7-11 N 555 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC348386  Micropus californicus var. californicus David D. Keck 1933-5-31 2429 Placer Just south of Auburn on road to Roseville 305 Comment
  SEINET3167477  Micropus californicus var. californicus R. W. Spellenberg, N. Zucker 2010-4-16 14155 Placer N. edge of Lincoln along Hwy 65 45 Comment
  CAS-BOT-BC348389  Micropus californicus var. californicus H. L. Mason 1933-5-28 7236 Placer Tahoe-Colfax road, three to four miles north of Colfax Comment
  CDA15637  Microseris nutans G. F. Hrusa, J. Glazner 1999-7-18 15207 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CHSC79682  Microseris nutans G. F. Hrusa; J. Glazner 1999-7-18 15185 Placer Northern California; Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  UC2042501  Microseris nutans Holly Forbes, Barbara Keller, and T. Tomashek 2012-6-11 Placer Blackwood Canyon Rd., 0.2 mi. W of junction with Highway 89. Comment
  UCD82964  Microsteris gracilis Albert Grigarick 2009-6-15 111 Placer E of Truckee, 30 yds. W of the S end of Martis Creek Reservoir. 1777 Comment
  POM75720  Microsteris gracilis subsp. gracilis Marcus E. Jones 1882-6-28 10380 Placer Emigrant Gap. Comment
  RSA481909  Microsteris gracilis subsp. gracilis Aaron Liston 1988-3-14 696 -2 Placer 3.5 miles N of Auburn; Dry Creek Road. 450 Comment
  UCD122182  Mimulus aurantiacus Eric Brenner; John Hunter 1996-5-26 7 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCR146916  Mimulus aurantiacus Beecher Crampton 1955-6-15 2893 Placer Sierra Nevada Mountains, 8.5 miles west of Iowa Hill, bottom of Shirttail Canyon 610 Comment
  UCR208568  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14602 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UC445119  Mimulus aurantiacus var. grandiflorus C. F. Sonne 1891-6-17 4268 Placer near Colfax (at Cape Horn) Comment
  UC943862  Mimulus aurantiacus var. grandiflorus H. E. McMinn 1945-10-20 5501 Placer ca. 1 1/2 mi w Lake Spaulding (ca. 40 yds from Bear River Bridge, e end of Bear Flats, above flume canal); Bear River Flat Comment
  JEPS103346  Mimulus breweri Lowell Ahart 2002-7-22 9900 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  POM5148  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 549 Comment
  UC163978  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 1800 Comment
  UCD75935  Mimulus breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5160 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
  RSA795365  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16775 Placer American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  CHSC9509  Mimulus floribundus J. F. Goodwin 1971-7-10 151 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 198 Comment
  LA83144  Mimulus guttatus O. H. Kappler; 1946-7-18 1307 Placer Lake Tahoe, NW shore 1920 Comment
  RSA447927  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD149497  Mimulus guttatus G. L. Stebbins 1978-5-28 78100 Placer Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR194697  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12210 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 Comment
  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
  RSA523467  Mimulus kelloggii W. L. Jepson 1938-4-5 18584 Placer Auburn, 2 mi e. on Placerville Road. Comment
  POM260455  Mimulus layneae C. L. Hitchcock 1940-5-15 6406 Placer 6 miles north of Colfax. 762 Comment
  UC886380  Mimulus layneae C. L. Hitchcock 1940-5-15 6406 Placer 6 mi n Colfax 762 Comment
  UCD130330  Mimulus lewisii Albert Grigarick 2011-8-31 308 Placer Alpine Meadows Ski Resort. Approx. 300 yds W of headquarters. 2144 Comment
  UC445154  Mimulus microphyllus H. M. Hall 1910-6-28 8721 Placer opposite Cisco; Sierra Nevada Mts., Rattlesnake Creek 1828 Comment
  UCD44711  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2077 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS103315  Mimulus moniliformis Lowell Ahart 2002-7-22 9901 Placer About 40 yards NW of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1774 Comment
  UC886301  Mimulus moniliformis A. A. Heller 1917-8-12 12875 Placer w Emigrant Gap; Southern Pacific Reservoir Comment
  UC1035691  Mimulus moniliformis Kay H. Beach 1941-6-16 1135 Placer between Blue Canyon and Baxter (along highway 40); Sierra Nevada Mountains Comment
  CHSC74274  Mimulus moschatus Susi Urie; Eric Schroder 1998-9-8 98 -283 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC82571  Mimulus moschatus Lowell Ahart 2002-7-22 9901 Placer About 40 yards northwest of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1774 Comment
  RSA447983  Mimulus moschatus Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  RSA435498  Mimulus moschatus var. longiflorus Fay A. MacFadden 1934-7-9 12568 Placer Emigrant Gap. Comment
  UCD122674  Mimulus nasutus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD43069  Mimulus primuloides subsp. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 437 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC194065  Mimulus tilingii C. F. Sonne 1886-8-16 Placer above Coldstream 2590 Comment
  POM20830  Mimulus tilingii C. F. Sonne 1895-7-25 s.n. Placer W. slope [Wahoo Wash?] Comment
  JEPS103259  Mimulus torreyi Lowell Ahart 2002-7-22 9904 Placer 50 yards NE of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  SEINET215329  Minuartia californica F. M. Dummel 1967-1 12 Placer 2 mi W of Penryn 230 Comment
  SEINET3161097  Mitella G. B. Grant 1906-1 7133 Placer About Lake Tahoe 2438 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
  RSA70488  Monardella odoratissima I. E. Diehl 1902-7-7 52 Placer Colfax. Comment
  SEINET5333439  Monardella odoratissima subsp. glauca P. A. Lehenbauer 1933-8-6 2788 Placer Lake Tahoe - near Homewood Comment
  CDA16039  Monardella odoratissima subsp. pallida G. F. Hrusa, J. Glazner 2000-9-3 15674 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CHSC9525  Monardella odoratissima subsp. pallida J. F. Goodwin 1971-7-10 160 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi sw of Cornelian Bay. 1981 Comment
  JEPS126282  Monardella odoratissima subsp. pallida Steve Matson 1997-7-1 116 Placer Tahoe north shore; Snow Creek watershed, Tahoe Visa/Kings Beach; middle fork of Snow Creek; north of Golf Course. Comment
  POM62725  Monardella odoratissima subsp. pallida Harriet Ann Walker 1908-7-25 1389 Placer Cisco Comment
  UC1124571  Monardella odoratissima subsp. pallida B. Bolt 1934-7-16 117 Placer 1 1/2 mile SE of Heath Springs (on Plot 206); Tahoe National Forest, Truckee Quadrangle Comment
  UCR209736  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2009-8-12 15435 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
  UCR233392  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
  SCFS1000  Monardella sheltonii E. Krimmel 2014-6-26 Placer Comment
  SCFS1207  Monardella sheltonii E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Off S. slope near top. Top Meadow. Comment
  JEPS30737  Montia chamissoi Miles Eaton 1945-6-13 30 Placer Big Meadows 1615 Comment
  POM101934  Montia chamissoi Marcus E. Jones 1882-6-28 2628 Placer Emigrant Gap. Comment
  CAS-BOT-BC444730  Montia chamissoi John Thomas Howell 1938-8-2 13993 Placer 5 miles north of Brockway Comment
  CAS-BOT-BC445126  Montia parvifolia Marcus E. Jones 1882-6-1 s.n. Placer Emigrant Gap Comment
  CDA37230  Montia perfoliata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CHSC81853  Muhlenbergia filiformis Lowell Ahart 2001-10-10 9359 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  RSA129350  Muhlenbergia filiformis B. Bolt 1934-7-20 155 Placer Whiskey Hill. 1646 Comment
  RSA129351  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer 2 miles southwest of Martis Peak. 2287 Comment
  RSA619860  Muhlenbergia filiformis Fay A. MacFadden 1934-8-10 12852 Placer Cisco. Comment
  UCD75748  Muhlenbergia filiformis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5214 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2270 Comment
  UCR148107  Muhlenbergia rigens Beecher Crampton 1969-11-13 8530 Placer Welmar on Interstate 80 686 Comment
  CAS-BOT-BC83228  Myosurus minimus Alice Eastwood 1912-6-15 467 Placer Lake Tahoe Region. Tahoe City. Comment
  CDA19071  Myriophyllum aquaticum R. Simon 2001-4-13 PDR 062707 Placer Corner of Roseville Parkway and Ornetto, Roseville. 0 Comment
  UCD102563  Myriophyllum spicatum John D. Madsen; David F. Spencer 1996-4-2 s.n. Placer From Truckee River, adjacent to California Highway 89, approximately 150 m downstream of the damn at Tahoe City, California. Comment
  RSA782545  Nama lobbii George K. Helmkamp, Amy Barnes 2009-7-12 15186 Placer Along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  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
  CHSC79341  Navarretia Beecher Crampton 1977-7-2 9511 Placer 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  JEPS82202  Navarretia breweri Gladys L. Smith 1982-6-24 7432 Placer Goose Meadow 1828 Comment
  JEPS127419  Navarretia capillaris Steve Matson 1998-7-12 334 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area600 meters north Highway 267 and 100 meters west of Martis Creek. Comment
  UC1124095  Navarretia divaricata N. French 1934-6-22 482 Placer 0.5 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. 2133 Comment
  UCD42952  Navarretia divaricata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 321 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS103305  Navarretia divaricata subsp. divaricata Lowell Ahart 2002-7-22 9896 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC217360  Navarretia divaricata subsp. vividior H. M. Hall 1910-6-25 8712 Placer Cisco Sierra Nevada Mountains Comment
  UCR146676  Navarretia divaricata subsp. vividior Beecher Crampton 1955-6-15 2921 Placer Sierra Nevada Mountains, 10 wiles west of Forest Hill 549 Comment
  POM74451  Navarretia filicaulis Katherine Brandegee 1908-07 3417 Placer Cape Horn. Comment
  UC52811  Navarretia filicaulis Edward Lee Greene 1883-1 Placer Colfax Comment
  UC726840  Navarretia intertexta A. A. Heller 1919-7-24 13294 Placer near Cisco Comment
  JEPS127409  Navarretia leptalea subsp. leptalea Steve Matson 1998-6-27 318 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area south side of Highway 267. Comment
  SD243177  Navarretia 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. Roadside. 2040 Comment
  JEPS113142  Navarretia leucocephala subsp. leucocephala Lowell Ahart, Brian Williams 2007-4-13 13664 Placer On the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCD48633  Navarretia tagetina Beecher Crampton 1953-4-26 1342 Placer 2 miles north of Lincoln edge of vernal pool. Comment
Read comments
Sep 2 2007
  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
  RSA75815  Nemophila heterophylla Lincoln Constance, J. L. Morrison 1938-4-30 2171 Placer At eastern edge of Applegate, Sierra Nevada foothills. 610 Comment
  RSA20890  Nemophila maculata Carl B. Wolf 1937-3-30 8353 Placer Sacramento Valley, 1.5 miles east of Lincoln on Penryn Road. 61 Comment
  CHSC700  Nemophila menziesii 1947-3-22 Placer Lincoln. 91 Comment
  UCD120233  Nemophila menziesii M. Vincent 1965-4-11 608 Placer 1 mile N. of Marysville on Hwy. 99 E. Comment
  UC1021938  Nemophila menziesii Rolf Y. Berg 1954-4-15 Placer Auburn-Folsom Road eight mi s Auburn; s of Auburn 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
  UC24194  Nemophila spatulata C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  CAS-BOT-BC7235  Nemophila tenera Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  CAS-BOT-BC231506  Nicotiana G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  UCD150707  Oenothera elata subsp. hookeri James A. Neilson Jr. 1971-8-16 2401 Placer Tahoe Basin, Chamberlands. 1905 Comment
  CDA40572  Onopordum acanthium Ed King 2014-6-2 PDR# 310 P06130017 Placer Interstate 80, 1 mile west of Yuba Gap Interchange, near Laing Road. 0 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
  UC469007  Oreostemma alpigenum var. andersonii H. M. Hall 1910-6-28 8725 Placer head of Fordyce Cr. 2103 Comment
  UCD42797  Oreostemma peirsonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 163 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
Read comments
Mar 6 2006
  UCD160078  Orobanche fasciculata Sue Nichol 2015-4-15 s.n. Placer Along Foresthill Rd. between town of Foresthill and Foresthill Bridge. Just E of Butcher Ranch Rd.: near mailbox 17010 and Forest Service gate 124. Northwest side of the road. 551 Comment
  UCD150741  Orobanche uniflora James A. Neilson Jr. 1971-6-30 2162 Placer Tahoe Basin, Lower Ward Creek, Plot # 130. 1935 Comment
  SJSU6215  Orthilia secunda R. L. Fisher 1959-8-12 Placer 2 mi W of L Van Norden 1981 Comment
  CAS-BOT-BC238391  Orthocarpus Catherine Best 1982-6-23 s.n. Placer Goose Meadow 5 miles south of Truckee on Hwy. 89 1767 Comment
  POM216214  Orthocarpus linearilobus D. D. Keck 1933-5-31 2426 Placer Just south of Auburn on road to Roseville. 305 Comment
  RSA99635  Orthocarpus linearilobus W. A. Weber, L. S. Rose 1953-5-19 8399 Placer 1 mi S of Auburn. 305 Comment
  RSA407999  Orthocarpus pusillus Fay A. MacFadden 1934-3-31 12460 Placer Dutch Flat Comment
  UCD21670  Osmorhiza berteroi Beth Lowe Corbin 1982-8-6 271 Placer About 1/3 mile west of Onion Creek campground. In rocky, fine, sandy soil about 10 yards freom stream. Partial sun. South facing slope, 30% incline. Uncommon. 1920 Comment
  UCR191057  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2007-5-23 12049 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  CDA12409  Osmorhiza occidentalis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8537 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS72345  Paeonia brownii Gladys L. Smith and Betsy Wilson May 1972 3620 Placer Ward Peak; lower slopes 2255 Comment
  UC854375  Paeonia brownii Alice Eastwood Jun 15 1912-Jun 19 1912 362 Placer Deer Park Lake Tahoe Region Comment
  JEPS59363  Paeonia brownii Ezra Brainerd and Viola B. Baird 1915-7-7 112 Placer along road Squaw Valley; Sierra Nevada Mts. 1905 Comment
  UCD22226  Panicum acuminatum var. acuminatum Beth Lowe Corbin 1982-8-11 321 Placer 1 3/4 miles SW of Onion Creek Campground. SE facing slope, 45% incline. Occasional. Full sun. Open rock outcrop in montane chaparral. Perennial. 1920 Comment
  UCD88540  Panicum acuminatum var. fasciculatum Beecher Crampton 1969-7-1 8489 Placer Nyack. Interstate Hwy. 80 eastbound. 1615 Comment
  CAS-BOT-BC253820  Panicum dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Applegate, opposite grocery store Comment
  SACT001638  Panicum hillmanii Josephine Van Ess 1976-6-7 Placer Collected about 3/8 mile west from Barton Road. Roadside bank next to irrigated orchard. 103.7 Comment
  SACT001646  Panicum pacificum Michael Baad 1977-6-9 Placer At junction of Middle Fork of American River and Rubicon River 365.76 Comment
  SACT001652  Panicum pacificum Josephine Van Ess 1977-9-16 Placer 365.8 Comment
  POM142851  Parnassia fimbriata Allen M. Carpenter 1892-1 s.n. Placer [Unspecified] Comment
  UCD88755  Paspalum dilatatum Collector Unknown 1939-6-23 s.n. Placer Catlin, Auburn. Comment
  CAS-BOT-BC258772  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  RSA124120  Pedicularis attollens E. F. Sprague 1956-8-16 1511 Placer Valley below Mt. Lincoln, Sugar Bowl, Norden. 2134 Comment
  SD4772  Pedicularis attollens C. F. Sonne Aug 1897 Placer Above Coldstream Comment
  JEPS111208  Pedicularis semibarbata Steve Matson 2005-7-4 1364 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  POM44038  Pedicularis semibarbata Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UCD23227  Pellaea brachyptera Beth Lowe Corbin 1982-8-9 288 Placer 2/3 mile southwest of Onion Creek campground. 1767 Comment
  UC197900  Pellaea breweri C. F. Sonne Aug. 1887 Placer Coldstream Comment
  CAS-BOT-BC67609  Pellaea bridgesii Alice Eastwood 1912-6-15 419 Placer Lake Tahoe Region - Deer Park Comment
  CDA15756  Pellaea bridgesii G. F. Hrusa, L. Serafini 1993-6-29 11249 Placer S side of French Meadows Reservoir, immed. below dam. Comment
  UC1794514  Pellaea bridgesii Ruth Kirkpatrick 2001-7-16 1063 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  SEINET3153904  Pellaea bridgesii G. B. Grant 1906-7-20 919 Placer Lake Tahoe, Sierra Nevada Mts. 2438 Comment
  CHSC24729  Pellaea mucronata var. californica T. C. English 1976-4-11 14 Placer N. Fork American River. 2 mi. W. Hwy 49 Bridge, 400 yds. N. abandoned R. R. 335 Comment
  JEPS60062  Pellaea mucronata var. mucronata W. L. Jepson 1938-4-5 18579 Placer 2 mi e on Placerville Rd Auburn Comment
  SEINET4560769  Penstemon azureus George K. Helmkamp, E. A. Helmkamp 2010-1 16670 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  UCR209724  Penstemon azureus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15444 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  UCR229537  Penstemon azureus var. azureus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17856 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
  CAS-BOT-BC264485  Penstemon heterodoxus var. heterodoxus A. A. Heller 1917-8-13 12921 Placer Ridge NW of Donner Pass 2377 Comment
  UC1063185  Penstemon heterophyllus var. purdyi C. R. Clar 1933-5-18 122 Placer n edge Auburn Sacramento Quad., n edge Auburn Comment
  UC690370  Penstemon heterophyllus var. purdyi David D. Keck 1932-6-30 1586 Placer 0.8 mi n Weimar P.O.; Sierra Nevada, n of Weimar P.O. 685 Comment
  SCFS1157  Penstemon laetus E. Krimmel 2013-7-26 Placer NFAm. Swimming Hole Trail. Rocky overlook. Comment
  UCR233369  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  SEINET3835855 Image available Penstemon laetus subsp. leptosepalus Marcus E. Jones 1882-7-1 3434 Placer Emigrant Gap 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-BC239276  Penstemon newberryi var. berryi John H. Thomas; Hazelle A. Thomas 1956-7-21 6158 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC239280  Penstemon newberryi var. berryi E. A. McGregor 1909-8-13 114 Placer Lake Tahoe Region. Susie Lake 2331 Comment
  NY627344  Penstemon newberryi var. newberryi A. A. Heller 1917-6-18 12710 Placer Along the Yuba River below Cisco 1645.9 Comment
  UC194353  Penstemon newberryi var. newberryi C. F. Sonne 1884-1 Placer near Donner Lake Comment
  UC565930  Penstemon newberryi var. newberryi N. French 1934-5-24 369 Placer north Fork of North Fork of American River 1341 Comment
  UC27498  Penstemon roezlii C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UC566032  Penstemon roezlii G. T. Nordstrom 1934-6-19 122 Placer 0.5 mi ne of mouth Monumental Creek; Colfax Quad. 1463 Comment
  CAS-BOT-BC239581  Penstemon rydbergii var. oreocharis L. S. Smith 1939-7-1 s.n. Placer Ice Lakes, Tahoe National Forest 609 Comment
  CAS-BOT-BC239582  Penstemon rydbergii var. oreocharis Alice Eastwood 1909-1-1 39 Placer Lake Tahoe Region, Sunnyside 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
  RSA3004  Penstemon speciosus Carl B. Wolf 1931-9-10 2418 Placer Shore of Lake Tahoe. Just NW of Chambers Lodge. 1921 Comment
  UC35612  Pentachaeta exilis H. N. Bolander 1865-4-11 4540 Placer Auburn Comment
  SEINET6626622  Pentagramma triangularis H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River Comment
  SEINET11153843  Perideridia gairdneri subsp. borealis L. R. Miller 1933-8-27 2492 Placer Long Lake. Comment
  UC1389949  Perideridia lemmonii T. I. Chuang and L. Constance 1964-7-2 5962 Placer 1.5 mi nw Colfax Comment
  UCD44588  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1954 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC418935  Persicaria lapathifolia E. R. Blakley 1960-9-3 3818 Placer King's Beach, Lake Tahoe 1903 Comment
  UCD80671  Persicaria punctata CNPS SN Foothill Team 2006-6-28 SNNR 0919 Placer CDPR, Folsom State Recreation Area, near the confluence of a small intermittent creek and the American River. 140 Comment
  UCR250351  Petrorhagia dubia George K. Helmkamp, Mary Alice Barnes 2013-4-18 20357 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  SEINET12558102 Image available Petrorhagia dubia Barbara Ertter, David Thompson 1989-1 8187 Placer Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., on NW side of road, ca 8 airmiles NE of Auburn 610 Comment
  RSA518803  Phacelia egena L. R. Heckard, G. Ledyard Stebbins 1973-6-17 3441 Placer On east face of Big Valley Bluff, about seven air miles southeast of Emigrant Gap. 1524 Comment
  JEPS127468  Phacelia hastata subsp. hastata Steve Matson 2003-7-4 822 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 50 meters north of Highway 267; 600 meters west of Martis Creek. Comment
  SEINET5764677  Phacelia hastata var. compacta M. J. Williams 1985-7-6 85- 63 -5 Placer Pacific Crest Trail between old and new Donner Summits. Sierra Nevada. Comment
  JEPS2123  Phacelia humilis C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UCR80207  Phacelia humilis L. S. Rose 1946-6-23 46189 Placer Rainbow, north of Cisco 1738 Comment
  POM65406  Phacelia humilis var. humilis Harriet Ann Walker 1910-6-13 2030 Placer Near Deer Park, in the Tahoe District. 1970 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
  CHSC85485  Phacelia hydrophylloides G. F. Hrusa; J. Glazner 2000-9-3 15681 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  JEPS126294  Phacelia hydrophylloides Steve Matson 2004-7-4 1071 Placer Tahoe north shore; Griff Creek Watershed above Kings Beach, CA; near junction of Gas Line Road and Griff Creek. Comment
  JEPS2109  Phacelia hydrophylloides C. F. Sonne 1888-7-1 390 Placer <?> on Truckee River Sierra Nevada Mountains Comment
  JEPS3234  Phacelia hydrophylloides L. S. Smith 1928-6-19 2370 Placer Ice Lakes Range Tahoe <National> Forest 2133 Comment
  SD243161  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16662 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UCR207106  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2009-7-16 15231 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCR242371  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16675 Placer Northern Sierra Nevada Mountains, Robinson Flat campground near the junction of Forest Hill Road and Soda Springs Road, 27 miles northwest of the city of Foresthill 2040 Comment
  UCR219666  Phacelia imbricata subsp. imbricata George K. Helmkamp, E. A. Helmkamp 2010-6-26 16376 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  JEPS1195  Phacelia marcescens M. E. Jones 1882-6-27 3294 Placer Emigrant Gap Comment
  POM289343  Phacelia marcescens Lyman Benson 1933-6-26 4533 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UC1048666  Phacelia mutabilis Lewis S. Rose 1941-7-11 41311 Placer Chambers Lodge (McKinney) Lake Tahoe 1950 Comment
  UC881016  Phacelia mutabilis Marcus E. Jones, A. M. 1882-6-30 2813 Placer Emigrant Gap Comment
  UCD22018  Phacelia ramosissima Beth Lowe Corbin 1982-8-10 307 Placer 1.5 miles NW of Onion Creek Campground. 2057 Comment
  CHSC40977  Phacelia stebbinsii J. D. Jokerst 1984-6-20 2062 Placer Scattered on moss-covered bedrock outcrops that describe a very subtle spur ridge that descends into the canyon of Big Grizzly Cr. Several hundred feet below low mountain top that looks into both the Big Grizzly Cr and Rubicon River canyons. 1112 Comment
  CHSC67951  Phacelia stebbinsii James D. Jokerst 1988-6-6 3005 Placer Ca. 1 mi W of Ramsey Crossing, N of Long Canyon Creek. Comment
  JEPS73660  Phacelia stebbinsii L. R. Heckard with G. L. Stebbins 1973-6-18 3450 Placer s side of river about 1/2 mi e Star Town (site) (about 13 air mi ne of Foresthill); North Fork of Middle Fork of American River 1310 Comment
  JEPS73661  Phacelia stebbinsii L. R. Heckard 1973-6-18 3450 Placer s side of river about 1/2 mi e Star Town (site) (about 13 air mi ne of Foresthill); North Fork of Middle Fork of American River 1310 Comment
  UCD120686  Phacelia stebbinsii G. L. Stebbins 1977-7-1 7732 Placer Above Middle Fork, American River, near Last Chance. 1341 Comment
  UCD120688  Phacelia stebbinsii G. L. Stebbins 1977-7-9 7762 Placer Along trail from McKinistry Lake to Hell Hole Reservoir. 1706 Comment
  SACT001697  Phalaris arundinacea Michael Baad 1976-6-17 Placer Flood plain of river, Royal Gorge-Wabena Creek to Wild Creek to Wild Cat Canyon. Comment
  CDA12423  Phleum pratense G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8552 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CDA13663  Phleum pratense G. F. Hrusa, J. Glazner 1997-8-3 14023 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Single colony with numerous individuals in upper part of wet meadow. Annual? Comment
  UCR170813  Phleum pratense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9944 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  JEPS102476  Phoradendron densum Lowell Ahart 2001-10-10 9336 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
  CAS-BOT-BC135093  Phoradendron juniperinum Ira L. Wiggins 1930-10-12 5084 Placer near Cisco 1981 Comment
  CDA39028  Phoradendron juniperinum D. G. Kelch 2011-10-3 11 .827 Placer Tahoe City. Granlibakken Resort. Comment
  UCD101968  Phoradendron juniperinum Rolf Y. Berg 1965-1-10 8373 Placer Emigrant Gap Area: Hwy. 20, 2 miles W of junction with Hwy. 40. Comment
  CAS-BOT-BC58830  Phyllodoce breweri F. Almeda 1993-7-24 7254 Placer Sierra Nevada - About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  UCSB45346  Pilularia americana Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65. Comment
  RSA98979  Pilularia americana W. A. Weber 1953-5-19 8396 Placer 5 miles N of Roseville on road to Lincoln. 46 Comment
  CAS-BOT-BC78291  Pinus attenuata Lowell Ahart 1966-8-12 s.n. Placer Near French Meadows 1219 Comment
  SEINET5334497  Pinus attenuata J. Vetter 1956-4-16 s.n. Placer U.S.Hwy. 40, 20 miles east of Baxter 1219 Comment
  UCR201523  Pinus contorta subsp. murrayana George K. Helmkamp, E. A. Helmkamp 2008-8-20 14012 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 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
  SEINET5334629  Pinus jeffreyi T. C. Frantz 1951-5-22 s.n. Placer between north end of Lake Tahoe and highway near Nevada state line. 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
  UCD69325  Pinus ponderosa Russell Stein 1984-4-25 Placer 6 miles east of Auburn; foothill woodland/ Yellow Pine Forest. 457 Comment
  UCD135008  Pinus sabiniana Beecher Crampton 1960-11-2 5796 Placer 2 miles east of Bowman, along U.S. Highway 40. 548 Comment
  UCR218239  Piperia elongata George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16440 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  JEPS59487  Piperia unalascensis Ezra Brainerd and Viola B. Baird 1915-7-23 238 Placer Sierra Nevada Mts., Tahoe City, Bliss' Grounds Tahoe City; Sierra Nevada Mts., Tahoe City 1912 Comment
  UCD33761  Pistacia terebinthus Beecher Crampton 1972-9-28 8880 Placer Placer County, Applegate. 579 Comment
  UCD34187  Pistacia terebinthus Beecher Crampton 1977-9-30 9533 Placer Placer County, Applegate. Comment
  POM260091  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer 1 mile west of Baxter Comment
  UCD22150  Plagiobothrys cognatus Rex Palmer 1979-6-20 N 333 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC990912  Plagiobothrys fulvus D. F. Howe 1951-5-1 Placer 457 Comment
  SD44644  Plagiobothrys fulvus var. campestris D. F. Howe 1951-5-1 2104 Placer 456 Comment
  CHSC96469  Plagiobothrys greenei Lowell Ahart; Brian Williams 2007-4-13 13637 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SD180604  Plagiobothrys greenei Carol Witham, Jennifer Buck 2001-4-27 136 Placer 1.0 mile east along Athen Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022. Comment
  CAS-BOT-BC230941  Plagiobothrys hispidulus John Thomas Howell 1943-7-19 18581 Placer Summit Valley Comment
  CAS-BOT-BC230946  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 444 Placer Lake Tahoe Region. Tahoe City Comment
  JEPS103534  Plagiobothrys hispidulus Lowell Ahart 2002-7-22 9881 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UCD44451  Plagiobothrys hispidulus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1817 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC230955  Plagiobothrys hispidulus Peter Rubtzoff; Edward W. Colson 1976-7-7 8729 Placer E side of Lake Van Norden 2063 Comment
  UCD13197  Plagiobothrys nothofulvus Charles Martin 1986-4-27 23 Placer California. Placer Co. Near Folsom Lake. W end of Sierra Dr. in empty lot. Elev. ca. 430 ft. 131 Comment
  UCR253123  Plagiobothrys nothofulvus George K. Helmkamp, Amy Barnes 2014-4-23 22820 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
  POM71637  Plagiobothrys scouleri var. hispidulus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCSB5648  Plagiobothrys stipitatus Constance, Lincoln 1941-5-28 Placer Two miles north of Lincoln, Sacramento Valley 60 Comment
  UC660019  Plagiobothrys stipitatus var. micranthus Lincoln Constance 1941-5-28 2822 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  CAS-BOT-BC257797  Plantago coronopus George K. Helmkamp; E. A. Helmkamp 2012-3-31 18650 Placer Sacramento Valley: along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SBBG122791  Plantago erecta B. Ertter, D. Thompson 1989-4-8 8157 Placer Iowa Crk Rd ca 2 mi from Interstate 80 at crk crossing near entrance to Auburn State Recreation Area 518 Comment
  JEPS103408  Plantago major Lowell Ahart 2002-7-22 9892 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  CAS-BOT-BC516756  Plectritis macrocera George K. Helmkamp; Mary Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains foothills: Yankee Jim Road, 0.9 mi E of its jct with Canyon Way, 4.4 mi SE (167 deg. ) of Colfax 561 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
  UCR250901  Plectritis macrocera George K. Helmkamp, Mary Alice Barnes 2013-4-18 20347 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  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
  SACT001782  Poa annua D. Meyer 1984-5-6 Placer 145.5 Comment
  JEPS71270  Poa bolanderi L. S. Smith 1925-7-27 1653 Placer Blackwood Canyon near Tahoe; Tahoe Forest 1981 Comment
  SACT001800  Poa bolanderi Michael Baad 1983-8-11 Placer To Five Lakes Basin, continuing 3.6 km west toward Whiskey Creek. 2072.0 Comment
  UCD75951  Poa bolanderi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5192 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail. 2161 Comment
  SACT001818  Poa bulbosa Michael Baad 1977-4-13 Placer 0.2 mile north of Highway Interstate 80. Ecotone between ponderosa pine forest and chaparral 502.92 Comment
  UCD90629  Poa bulbosa Beecher Crampton 1967-7-26 8159 Placer 1.5 miles W of Weimar, near Heather Glen, Interstate Hwy. 80 W. 579 Comment
  UCR208591  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14662 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  SACT001814  Poa bulbosa Josephine Van Ess 1978-3-23 Placer 378.0 Comment
  UCR146918  Poa compressa Beecher Crampton 1964-7-9 7111 Placer Sierra Nevada Mountains, Emigrant Gap, Hwy 40 1616 Comment
  SACT001842  Poa fendleriana Michael Baad 1983-9-3 Placer On saddle to Mount Lincoln to summit of Mount Lincoln 2529.0 Comment
  SACT001863  Poa incurva Michael Baad 1976-7-21 Placer Tree line along ridge northwest of Lyon peak, volcanic debris, 16 km southeast of Soda Springs. 2377.0 Comment
  UCR146857  Poa nervosa Beecher Crampton 1964-7-21 7130 Placer Sierra Nevada Mountains, Blue Canyon 1431 Comment
  SACT001869  Poa nevadensis D. Meyer 1983-6-16 Placer 1624.0 Comment
  CAS-BOT-BC247375  Poa pratensis Saichi Kawahara 1969-7-6 1416 Placer West of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001911  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT001927  Poa pratensis D. Meyer 1984-7-21 Placer Moist roadside ditch and pine wooded area dense shade. 1927.0 Comment
  SACT001933  Poa pratensis D. Meyer 1984-6-3 Placer Moist shrubby area. 606.0 Comment
  SACT001970  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, Open rocky meadows. Comment
  SACT001974  Poa scabrella Michael Baad 1983-5-5 Placer 3 miles southeast of Canyon Way Road descending to North Fork of the American River. 548.64 Comment
  SACT001978  Poa scabrella Michael Baad 1983-5-5 Placer North Fork of American River, south side of river. 548.64 Comment
  SACT002007  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  UCD92249  Poa secunda subsp. juncifolia Beecher Crampton 1969-7-1 8488 Placer 1/4 mile W of Emigrant Gap P.O. (Nyack Lodge). on Interstate Hwy 80 eastbound. Comment
  UC821113  Poa secunda subsp. secunda A. A. Heller 1917-6-17 12696 Placer below Cisco (along Yuba River) 1676 Comment
  UCD74356  Poa sierrae G. Ledyard Stebbins 1968-4-7 6671 Placer Mosquito Ridge, east of Forest Hill. Along road, 2.7 miles northeast of turnoff to P.G. and E. dam and powerhouse. (Exact location unknown. Coordinates estimated by label maker. Note book says 'same location as 6669.' This location and elevation was taken from Stebbins's notebook, however, he also made a label with different label information for 6669 that says: North Side of Mosquito Ridge, north of the Middle Fork of the American River. T14N, R12E, Section 30, elevation 3200 ft. The date on this label is 1 May 1968.) 853 Comment
  UCD36705  Podagrostis humilis Beecher Crampton 1955-7-13 2988 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCR563  Polemonium californicum Frank C. Vasek 1955-6-29 266 Placer Sierra Nevada Mountains, Sugar Bowl, near Donner Pass [ski area, c. 1 mi. east of Lake Van Norden] 2141 Comment
  JEPS69879  Polemonium occidentale Alice M. Ottley 1920-7-14 1207 Placer near fish hatchery that is near Cascade Lake Cascade Lake (Lake Tahoe); , near Cascade Lake Comment
  JEPS127492  Polemonium occidentale subsp. occidentale Steve Matson 1997-8-9 162 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  UC35028  Polygala cornuta var. cornuta K. E. Cole July, 1900 Placer Dutch Flat Comment
  UC615110  Polygala cornuta var. cornuta Beryl O. Schreiber 1933-7-19 869 Placer 15 mi above Colfax Comment
  UC868237  Polygala cornuta var. cornuta Isabel McCracken 1938-7-2 Placer Dutch Flat Comment
  SEINET6647275 Image available Polygonum A. A. Heller 1917-1 12934 Placer Mount Lincoln S of Summit Valley 2438 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
  JEPS14355  Polygonum bolanderi Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-19 3853 Placer peninsula jutting out into North Fork of the American River (below Cape Horn, 1/2 mi above bridge on Colfax-Iowa Hill road) 381 Comment
  CAS-BOT-BC414391  Polygonum californicum L. R. Abrams 1917-9-14 6754 Placer Between Roseville and Penryn Comment
  UC6687  Polygonum davisiae C. F. Sonne 1886-7-18 Placer Truckee River; mt. on Comment
  UCD21929  Polygonum douglasii Beth Lowe Corbin 1982-8-10 297 Placer 1 1/4 miles WNW of Onion Creek campground. Rocky, fine, sandy soil. Open disturbed area, old logging landing, in White Fir forest. Full sun. SW facing slope, 15% incline. Locally abundant. 1981 Comment
  UC1101141  Polygonum lapathifolium Malcolm A. Nobs and S. Galen Smith 1949-8-21 1505 Placer marsh between Sandy Beach and Agate Bay (n end of lake); Lake Tahoe Comment
  CAS-BOT-BC418584  Polygonum minimum A. A. Heller 1919-7-25 13290 Placer Near the Yuba River below Cisco 1676 Comment
  UC148975  Polygonum minimum H. M. Hall July 1910 8703 Placer Cisco 1767 Comment
  UCR209747  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2009-8-12 15440 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
  UCD80607  Polypogon australis CNPS SN Foothill Team 2006-6-7 SNNR 0893 Placer Private property. 239 Comment
  UCR249614  Polypogon interruptus George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20842 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.1 mile northwest of its junction with Spring Garden Road 738 Comment
  CAS-BOT-BC233246  Polypogon maritimus J. T. Howell; Gordon H. True 1971-5-26 47615 Placer N limits of Lincoln 48 Comment
  UCR193279  Polystichum imbricans George K. Helmkamp, E. A. Helmkamp 2007-5-30 12186 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
  RSA693277  Polystichum lonchitis Fay A. MacFadden 1934-7-2 s.n. Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  UCD158907  Polystichum scopulinum G. Ledyard Stebbins 1969-7-19 6942 Placer West end of Monumental Ridge, about 4 miles southeast of Emigrant Gap. Dry ledge of ultrabasic rock (peridotite) on north side of ridge. (Exact location unknown. Coordinates estimated by label maker.) 2057 Comment
  CAS-BOT-BC105581  Populus trichocarpa Geo. B. Grant 1906-7-15 7031 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  JEPS111256  Porterella carnosula Steve Matson 2005-6-19 1291 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. Just west of Parking Area. 1778 Comment
  SEINET10460814  Porterella carnosula Follette 1978-7-6 FOLLETTE s.n. Placer Paige Meadows west of Carnelian Bay 1920 Comment
  UCD138239  Potamogeton natans Malcolm A. Nobs; S. Galen Smith 1949-8-21 1512 Placer between Sandy Beach and Agate Bay, north end of Lake Tahoe. Comment
  UCD43859  Potentilla C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1225 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC205446  Potentilla drummondii C. F. Sonne 1885-7-12 Placer Granite Rock above Coldstream (= Cold Creek); Granite Rock above Coldstream 2743 Comment
  UC177360  Potentilla flabellifolia C. F. Sonne 1893-8-27 Placer near Tinker Knob; Sierra Nevada Mountains, near Tinker Knob Comment
  CAS-BOT-BC141666  Potentilla flabellifolia C. F. Sonne 1886-7-25 73 Placer Mt. Stanford - Sierra Nevada Mts. 2590 Comment
  UCR171338  Potentilla fruticosa George K. Helmkamp, E. A. Helmkamp 2005-10-1 9975 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR171336  Potentilla glandulosa George K. Helmkamp, E. A. Helmkamp 2005-10-1 9978 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  SD247495  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, Elizabeth Helmkamp 2012-6-19 19238 Placer Northern Sierra Nevada Mountains: Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road (Duncan Peak 7.5'Q) 2054 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
  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
  UCD42913  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 281 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET6637148  Potentilla gracilis var. fastigiata M. J. Williams 1985-7-6 85- 61 -2 Placer [Sierra Nevada] Near old Donner Summit, south of Lake Mary Comment
  SBBG123118  Poteridium annuum G. K. Helmkamp with E. A. Helmkamp 2007-9-14 12959 Placer Mosquito Ridge Rd 0.4 mi E of Foresthill 942 Comment
Read comments
Mar 30 2014
  UCD35458  Poterium sanguisorba Beecher Crampton 1957-5-7 3994 Placer Placer County; 2 miles northeast of Lincoln along Thermalands Road. Comment
  CAS-BOT-BC64621  Primula suffrutescens C. F. Sonne 1897-8-14 s.n. Placer E. slope of Mt. Anderson. Comment
  SCFS1050  Primula suffrutescens E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  RSA123243  Primula suffrutescens B. Bolt 1934-7-12 110 Placer Snow Mtn, Truckee. 2439 Comment
  POM145298  Prunella vulgaris var. lanceolata J. B. Feudge 1927-7-18 1842 Placer Bog W. of Emigrant GAp 1524 Comment
  RSA424599A  Prunella vulgaris var. lanceolata Wm. Martin 1971-9-10 20218 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  UCR206718  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15205 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCD113180  Prunus emarginata Eric Brenner; John Hunter 1996-5-26 011 Placer Big Trees, Mosquito Ridge Road, Tahoe National Forest. 1740 Comment
  UCD22281  Prunus emarginata Rex Palmer 1979-5-26 N 13 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD38503  Prunus emarginata Beecher Crampton 1955-7-13 3008 Placer Blue canyon. 1432 Comment
  UCR237462  Prunus persica George K. Helmkamp, E. A. Helmkamp 2012-2-23 18575 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
  CAS-BOT-BC154644  Prunus subcordata W. R. Dudley 1909-8-1 s.n. Placer Vicinity Dutch Flat Comment
  UC1128491  Prunus subcordata N. French 546 Placer Tahoe National Forest, Lafayette Ridge Lafayette Ridge; Tahoe National Forest, Lafayette Ridge 1127 Comment
  UC1585836  Pseudobahia heermannii Barbara Ertter with David Thompson 1989-4-9 8195 Placer halfway down road to Lake Clementine (= North Fork Lake); Auburn Comment
  UC1484450  Pseudobahia heermannii Dale E. Johnson with A. R. Smith 1974-4-7 69 Placer ca 1.6 km (1 mi) s of I-80 (Auburn-Sacramento hwy); Placerville-Auburn rd (CA 49) Comment
  CAS-BOT-BC357341  Pseudognaphalium microcephalum John Thomas Howell 1943-7-25 18805 Placer West side of Donner Pass near Norden 2133 Comment
  CAS-BOT-BC361895  Psilocarphus tenellus L. R. Abrams 1917-9-16 6769 Placer Emigrant Gap to Cisco Comment
  UCR240951  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2012-9-25 19903 Placer Northern Sierra Nevada Mountains, Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mi. south of Blue Canyon-Nyack Airport 1473 Comment
  UC21686  Pterospora andromedea C. H. Shinn June 1897 Placer near Cisco Comment
  CAS-BOT-BC147866  Purshia tridentata var. tridentata Mary P. Wells 1980-9-12 s.n. Placer Tahoe City, forest west of Pioneer Way 1981 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
  JEPS59379  Pyrola asarifolia Ezra Brainerd and Viola B. Baird 1915-7-22 127 Placer Bog opposite, Waltons, Truckee River 1935 Comment
  UC32691  Pyrola picta A. M. Carpenter Aug 1892 Placer Sierra Nevada Mts. Comment
  UC474247  Pyrola picta G. W. Fetters 1929-8-2 Placer near shore of Lake Tahoe, Pomins Pomins; Lake Tahoe, Pomins Comment
  CAS-BOT-BC45768  Quercus Saichi Kawahara 1969-5-24 838 Placer slope overlooking north fork of the American River. Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCD47000  Quercus X morehus Stanley F. Bailey 1962-10-26 s.n. Placer North side of road to Kilaga Springs, 1/2 mile east of McCourtney Road, ca. 5 miles north of Lincoln, Placer County, California. Comment
  JEPS38082  Quercus chrysolepis H. L. Mason Placer Colfax Comment
  SACT002610  Quercus chrysolepis Josephine Van Ess 1977-11-4 Placer Below Gautier Bridge 365.8 Comment
  SACT002614  Quercus chrysolepis Michael Baad 1976-8-4 Placer Collected on shores of lakes and northwest facing slope of Mildred Ridge Comment
  UCD45389  Quercus chrysolepis D. H. Hartmann 1941-10-11 s.n. Placer Golden Cup Oak. 4 miles west of Auburn on U.S #40, Placer Co. Comment
  SEINET9005619  Quercus chrysolepis P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on Calif. 194. Winding road, plot located on the right, past parking area, down path approx. 60 meters. 1676 Comment
  UC463078  Quercus chrysolepis R. R. Rogers 1931-1-1 Placer near Iowa Hill; Wisconsin Hill Comment
  SACT002120  Quercus douglasii Michael Baad 1977-4-13 Placer 0.2 miles north of Interstate 80; ecotone between pine forest and chaparral 502.92 Comment
  UC173922  Quercus douglasii A. Eastwood 1894-9-9 Placer Newcastle Comment
  SACT002608  Quercus dumosa Josephine Van Ess 1978-2-21 Placer Collected near bridge at edge of wooded area, somewhat open. 365.8 Comment
Read comments
Nov 20 2014
  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
  POM106364  Quercus kelloggii Marcus E. Jones 1882-6-30 2871 Placer Emigrant Gap. Comment
  SACT002144  Quercus kelloggii 1980-3-12 Placer collected about 1/3 way down to the river, wooded slope 335.4 Comment
  UC1140073  Quercus kelloggii Marcus E. Jones, A. M. 1882-6-30 2871 Placer Emigrant Gap Comment
  UCSC009994  Quercus kelloggii Al Keuter 2014-6-15 AK 00 -100 Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  CAS-BOT-BC105308  Quercus kelloggii Emily K. Mcpherson 1976-9-19 76- 27 -4 Placer Middle Fork of the American River 1828 Comment
  SEINET12030462  Quercus kelloggii Unknown 1936-1 s.n. Placer Chicken Hawk Camp Comment
  CAS-BOT-BC104583  Quercus vacciniifolia Margaret J. Williams 1984-6-24 84- 63 -1 Placer 0.3 mi E of Hwy 20 on Omega Rd. Comment
  CAS-BOT-BC104584  Quercus vacciniifolia John H. Thomas; Hazelle A. Thomas 1956-7-21 6148 Placer Vicinity of Donner Pass, about 80 miles NE of Sacramento 2377 Comment
  CAS-BOT-BC104587  Quercus vacciniifolia L. S. Smith 1925-9-10 49461 Placer Tahoe Forest. Emmigrant Gap South of Ry. 1676 Comment
  SBBG11618  Quercus vacciniifolia E. R. Blakley 1960-8-29 3791 Placer Carnelian Bay, Lake Tahoe 1950 Comment
  UCD21490  Quercus vacciniifolia Beth Lowe Corbin 1982-8-4 206 Placer Located on hill west of Onion Creek Campground. 1853 Comment
  UCD47482  Quercus vacciniifolia G. T. Nordstrom 1934-6-18 104 Placer 1/4 mile southeast top of Texas Hill. 1615 Comment
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Aug 12 2008
  SEINET10437710  Quercus vacciniifolia P. A. Lehenbauer 1933-8-6 1405 Placer Near Homewood. Comment
  UCD22191  Ranunculus alismifolius Rex Palmer 1979-6-20 N 346 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC379277  Ranunculus alismifolius var. alismellus John H. Thomas; Hazelle A. Thomas 1956-7-21 6086 Placer Sierra Nevada; vicinity of Donner Pass, about 80 mi northeast of Sacramento 0000000000000000000000000 2377 Comment
  CHSC73983  Ranunculus alismifolius var. alismellus Susi Urie 1998-9-1 98 -181 Placer Lake Tahoe Basin--National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  UCD162513  Ranunculus alismifolius var. hartwegii Steve Matson 1998-5-17 207 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. 1780 Comment
  CAS-BOT-BC379382  Ranunculus alismifolius var. hartwegii Lyman Benson 1942-7-2 11243 Placer Sierra Nevada Mts., junction of U.S. 40 and the Truckee River Road to Lake Tahoe 1890 Comment
  CAS-BOT-BC379386  Ranunculus alismifolius var. hartwegii Lowell Ahart 1983-8-17 4338 Placer found growing on damp dark rocky soil near an open bare mountain side, south of Onion Valley, near the Quincy La Porte Road, west of Pilot PR, about 11 mi northeast of La Porte, California 2000 Comment
  CAS-BOT-BC379389  Ranunculus alismifolius var. hartwegii Mrs. Jos. Clemens 1920-4-13 7002 Placer Crescent Mills Comment
  CAS-BOT-BC379430  Ranunculus alismifolius var. hartwegii Larry Doughty 1961-5-6 s.n. Placer Boca Res. Station 1707 Comment
  CAS-BOT-BC379442  Ranunculus alismifolius var. hartwegii Gordon H. True 1972-4-4 7094 Placer Boca-Stampede Dam Road, 5.2 mi north of Boca 1768 Comment
  CDA24300  Ranunculus aquatilis var. hispidulus H. R. Danielson 1962-4-28 Placer Highway 99E to Lincoln, ca. 5 miles north of Roseville. 0 Comment
  RSA0042967  Ranunculus californicus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20352 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SEINET5338467  Ranunculus canus P. L. Comanor, B. Clark; B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on Calif. 194. Winding road, plot located on the right, past parking area, down path approx. 60 meters. Comment
  JEPS30051  Ranunculus flammula E. R. Blakley 1960-9-3 3814 Placer Kings beach Lake Tahoe (exposed lake bottom) 1903 Comment
  CHSC81547  Ranunculus occidentalis D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  UC827913  Ranunculus occidentalis C. L. Hitchcock 1940-5-7 6312 Placer ca 1 mi w Baxter Comment
  UCR235485  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18934 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  SEINET3161326  Ranunculus occidentalis var. eisenii L. S. Rose 1940-6-2 40465 Placer Truckee River, 10 mi. n. of Tahoe City 1829 Comment
  RSA400016  Ranunculus occidentalis var. eisenii Wm Vortriede 1926-1 s.n. Placer Lake Tahoe. Comment
  SD114130  Ranunculus occidentalis var. occidentalis none given 1948-5-21 1931 Placer Placer Co. 456 Comment
  JEPS127533  Ranunculus occidentalis var. ultramontanus Steve Matson 2000-7-13 484 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, south of Hwy 267, 200 m south of Parking area, on Martis Creek. Comment
  CDA13665  Ranunculus orthorhynchus var. orthorhynchus G. F. Hrusa, J. Glazner 1997-8-3 14025 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Colony with numerous individuals in central, wettest part of meadow. Comment
  UCD44651  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2017 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 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-BC55827  Rhamnus Charles J. Rockwell 1952-7-11 s.n. Placer northeaset of Roseville Comment
  CAS-BOT-BC59532  Rhamnus alnifolia Gordon H. True 1973-5-27 7499 Placer West bank of Truckee River at Deer Creek ca. 6 miles south of Truckee and 1 mile north of Squaw Valley 1841 Comment
  JEPS41947  Rhamnus alnifolia C. F. Sonne 1886-6 44 Placer road to Tahoe; Sierra Nevada Mountains, road to Tahoe Comment
  RSA515510  Rhamnus alnifolia G. H. True 1973-5-27 7498 Placer Deer Creek, 6 miles S of Truckee and 1 mile N of Swuaw Valley. 1890 Comment
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Jun 29 2014
  SBBG27366  Rhamnus ilicifolia C. L. Hitchcock 1940-5-14 6371 Placer Meier Ranch, ca. 6 mi N of Colfax 762 Comment
  UC870819  Rhamnus ilicifolia C. L. Hitchcock 1940-5-14 6371 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  RSA78926  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-8 18120 Placer 1 mile S of Deer Park, Hwy 89, along Truckee River. 1982 Comment
  UC870854  Rhamnus rubra A. A. Heller 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  UCD150478  Rhodiola integrifolia subsp. integrifolia James A. Neilson Jr. 1971-8-31 2588 Placer Tahoe Basin, south fork of Blackwood Creek. 2438 Comment
  UC877119  Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer 6 mi n of Colfax (Meier Ranch); Meier Ranch 762 Comment
  CAS-BOT-BC200395  Rhododendron occidentale var. paludosum A. A. Heller 1917-6-19 12743 Placer 8 miles east of Colfax Comment
  CAS-BOT-BC438105  Ribes Alice Eastwood 1912-6-15 366 Placer Deer Park Comment
  UC178746  Ribes Katharine Brandegee 1914-1 Placer Ellis Meadows North Sierra National Forest Comment
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Dec 11 2014
  CAS-BOT-BC108700  Ribes cereum John Thomas Howell 1943-7-26 18839 Placer Mount Lincoln. 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
  UC191456  Ribes inerme var. inerme C. F. Sonne 1885-5-19 Placer near Mill pond (on Tahoe road); Truckee Comment
  RSA0022086  Ribes montigenum C. F. Sonne 1897-7-18 s.n. Placer Tinker s Knob. 2591 Comment
  SEINET12220282  Ribes montigenum C. F. Sonne 1885-1 100 Placer Sierra Nevada Mts, above Coldstream 2591 Comment
  CAS-BOT-BC219203  Ribes nevadense Alice Eastwood 1912-6-15 393 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC219204  Ribes nevadense Alice Eastwood 1909-1-1 178 Placer Sunnyside Comment
  SD247441  Ribes nevadense George Helmkamp, E. A. Helmkamp 2012-9-25 19902 Placer Northern Sierra Nevada Mountains: Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mile south of Blue Canyon-Nyack Airport (Blue Canyon 7.5'Q) 1473 Comment
  SEINET12216786  Ribes nevadense J. H. Nishida 1985-1 778 Placer Homewood 1829 Comment
  JEPS72247  Ribes roezlii Gladys L. Smith 1972-6-18 3135 Placer Alpine Meadows 2072 Comment
  UC566278  Ribes roezlii N. French 1934-6-22 473 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  UC974960  Ribes roezlii Alice Eastwood 1922-4-6 11119 Placer 3 mi above Colfax (near the road) Comment
  UCD22360  Ribes roezlii Rex Palmer 1979-5-26 N 12 Placer Headwaters basin area of the North Fork of the American River. 2011 Comment
  CAS-BOT-BC186200  Ribes roezlii var. roezlii Frances I. Price 1919-8-1 s.n. Placer Fallen Leaf Lake Comment
  JEPS127480  Ribes roezlii var. roezlii Steve Matson 1999-6-12 414 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; 1 kilometer west of Pine Drop Ave. terminus, along bike path. Comment
  CAS-BOT-BC168771  Ribes viscosissimum Margaret Williams 1974-8-8 74 -P1-14 Placer Murphy's Meadow, 5 miles southeast of Hirschdale - Sierra Nevada 2316 Comment
  CAS-BOT-BC168776  Ribes viscosissimum Alice Eastwood 1909-1-1 293 Placer Squaw Creek - Lake Tahoe Region Comment
  CAS-BOT-BC362923  Rigiopappus leptocladus G. L. Stebbins 1978-5-28 7879 Placer West side of Big Crater 1280 Comment
  JEPS59381  Rorippa Ezra Brainerd and Viola B. Baird 1915-7-22 129 Placer along r.r. near Bear Rock (Truckee Valley); Sierra Nevada Mts., Truckee Valley 1889 Comment
  CAS-BOT-BC74388  Rorippa curvipes Catherine Best 1981-8-2 s.n. Placer Sierra Nevada. French Meadow boat ramp. Comment
  UC856784  Rorippa subumbellata Ira L. Wiggins 1933-8-21 6786 Placer near Tahoma (shores of Lake Tahoe); , near Tahoma Comment
  UC147639  Rosa bridgesii Harriet A. Walker 1908-6-23 1232 Placer Blue Canyon 1432 Comment
  UC1128555  Rosa eglanteria N. French 1933-6-1 63 Placer Clipper Gap Sacramento Quadrangle 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
  UC861652  Rubus glaucifolius Marcus E. Jones, A. M. 1882-6-28 3309 Placer Emigrant Gap Comment
  SD243197  Rubus laciniatus George K. Helmkamp, E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  SCFS1118  Rubus parviflorus E. Krimmel 2013-6-13 Placer NFAm. Cedars full trail. Split #6 Comment
  UCD22284  Rubus parviflorus Beth Lowe Corbin 1982-8-4 205 Placer Hill 1/8 mile W of Onion Creek Campground. S facing slope, 50% inclination. Partial sun. Uncommon. Brushy opening in white fir forest, in deep conifer duff over fine, sandy, granitic soil. Subshrub 10 inches tall. Flowers white. 1853 Comment
  UCR231840  Rubus parviflorus George K. Helmkamp, E. A. Helmkamp 2010-8-14 16787 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
  UCD17695  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 20 Placer California. Placer County: corner of Grass Valley Highway and Sawyer Court in Auburn. Comment
  CAS-BOT-BC363205  Rudbeckia occidentalis Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  SEINET10537712  Rumex Mary Susan Taylor 1975-5-10 Taylor 573 Placer Ca. 2 mi S of Auburn on Hwy 49, at bridge over American River, ca. 40 ft E of the bridge on N side of road; with Tunica prolifera, Toxicodendron diversilobum, Plantago lanceolatum. With Kevin Marsh. 213 Comment
  UCD44670  Rumex acetosella C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2036 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR200863  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2008-9-15 14119 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  CAS-BOT-BC422033  Rumex acetosella Geo. B. Grant 1906-7-15 6969 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC422034  Rumex acetosella J. F. Emmel 1971-8-21 382 Placer 0.2 air mile ENE of N. end of Lake Mary, Donner Pass 2156 Comment
  CAS-BOT-BC433649  Rumex obtusifolius W. R. Dudley 1909-8-12 s.n. Placer Canon [Canyon] Creek Comment
  UCD22145  Rumex paucifolius Rex Palmer 1979-6-21 N 357 Placer Headwaters basin area of the North Fork of the American River Comment
  UC850576  Rumex salicifolius var. salicifolius A. A. Heller 1917-6-19 12773 Placer Emigrant Gap 1615 Comment
  CHSC72883  Rumex salicifolius var. triangulivalvis L. P. Janeway; Eric Schroder 1998-7-13 5748 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UC1191321  Rumex salicifolius var. triangulivalvis Malcolm A. Nobs and S. Galen Smith 1949-8-21 1504 Placer n end Lake Tahoe (between sandy beach and Agate Bay) Comment
  UCR120717  Sagina saginoides George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5060 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  CAS-BOT-BC267083  Sagittaria Brighton C. Cain 1925-8-15 6 Placer 2 miles S of Auburn at Wise Power House Comment
  CAS-BOT-BC132674  Salix John H. Thomas; Hazelle A. Thomas 1956-7-21 6127 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC103554  Salix eastwoodiae W. R. Dudley 1900-6-14 5046 Placer Half-way up the loop road from Donner lake to Summit Comment
  CAS-BOT-BC103557  Salix eastwoodiae W. R. Dudley 1900-6-14 5105 Placer Valley northeast of Lake Mary, near Summit Comment
  CAS-BOT-BC103561  Salix eastwoodiae W. R. Dudley 1900-6-1 5350 Placer Head of Independence Lake Comment
  CAS-BOT-BC103610  Salix eastwoodiae W. R. Dudley 1900-6-15 5124 a Placer on flat north east of Lake Mary Comment
  SCFS1045  Salix eastwoodiae E. Krimmel 2014-8-7 Placer Shore of Needle Lake Comment
  UCD22318  Salix eastwoodiae Rex Palmer 1979-7-11 N 590 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM215768  Salix exigua D. D. Keck 1933-6-1 2436 Placer 1 mile S of Loomis on road to Rocklin. Comment
  UCD110810  Salix geyeriana E. L. Smith 1965-6-7 676 Placer Martis Valley, 6 miles southeast of Truckee. 1828 Comment
  UCD44546  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1912 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44559  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1925 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA129736  Salix geyeriana var. argentea H. S. Yates 1934-6-29 3917 Placer Near Tahoe City. 1921 Comment
  CAS-BOT-BC108207  Salix hindsiana W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Comment
  UCD43159  Salix lasiandra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 527 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC1134974  Salix lasiandra subsp. lasiandra B. Bolt 1934-8-17 183 Placer Middle Fork Tahoe Nat'l Forest, Truckee Quad., Middle Fork Comment
  UC477572  Salix lasiandra subsp. lasiandra L. S. Smith 1931-8-28 2630 Placer below Chalk Bluff crossing (Middle Fork American R.); Tahoe Nat'l Forest, Middle Fork American R. Comment
  UCD16131  Salix lasiandra var. abramsii Sutton 1984-5-19 14 Placer Califorina. Placer County: Blue Canyon Rd., 3 mi off Hwy 80 along river bank. 1371 Comment
  CHSC13651  Salix lasiolepis E. L. Smith 1971-7-17 990 Placer At King's Beach. 1903 Comment
  CAS-BOT-BC124765  Salix lemmonii W. R. Dudley 1900-6-20 5349 Placer on north side of Independence Lake Comment
  CAS-BOT-BC124772  Salix lemmonii W. R. Dudley 1900-6-14 5067 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124776  Salix lemmonii W. R. Dudley 1900-6-14 5066 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124779  Salix lemmonii W. R. Dudley 1900-6-14 5024 Placer Shore of Donner Lake Comment
  CAS-BOT-BC124780  Salix lemmonii W. R. Dudley 1900-6-12 51010 Placer Meadow east side of Donner Lake Comment
  CHSC74123  Salix lemmonii Susi Urie 1998-8-13 98 -025 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC847126  Salix lemmonii A. A. Heller 1917-6-17 12721 Placer along Yuba R. below Cisco; Yuba R 1676 Comment
  SEINET11957674  Salix lemmonii E. L. Smith 1971-1 954 Placer Yuba Gap, 7 km E of Emigranat Gap 1770 Comment
  CAS-BOT-BC129522  Salix melanopsis L. S. Smith 1931-8-27 2628 Placer French Mdws., Tahoe N.F. - along middle fork American River below Chalk Bluff crossing. Comment
  CAS-BOT-BC129083  Salix scouleriana W. R. Dudley 1900-6-14 5075 Placer Rocks on right of road between Donner Lake and summit Comment
  CAS-BOT-BC129084  Salix scouleriana Beecher Crampton 1975-10-14 9321 Placer Blue Canyon airport area 1524 Comment
  CAS-BOT-BC129124  Salix scouleriana W. R. Dudley 1900-6-14 5064 Placer By brook between Donner Lake and Summit Comment
  UC1135094  Salix scouleriana N. French 1934-5-31 380 Placer 1/2 mi. e. Texas Hill; Tahoe Nat'l Forest, Colfax Quad. Comment
  UC846454  Salix scouleriana Marcus E. Jones, A. M. 1882-7-1 3488 Placer Emigrant Gap Comment
  UCD22307  Salix scouleriana Rex Palmer 1979-5-26 N 22 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD34051  Salix scouleriana Beecher Crampton 1975-10-14 9321 Placer Placer County, Blue Canyon airport area. 1524 Comment
  CAS-BOT-BC238835  Sambucus nigra subsp. caerulea Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  UCR241765  Sanguisorba minor subsp. muricata George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19802 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
  UCR260069  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22416 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  RSA733423  Sanicula crassicaulis George K. Helmkamp, Elizabeth A. Helmkamp 2006-5-13 10455 Placer Northern Sierra Nevada Hills: ca. 4 air mi. NE or Auburn, along the unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road. 422 Comment
  SDSU2332  Sanicula crassicaulis D. F. Howe 1948-5-21 1914 Placer 4 mi. north of Auburn. 457 Comment
  SD43659  Sanicula crassicaulis Darley F. Howe 1948-5-21 1914 Placer 455 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
  SEINET5779691 Image available Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Chambers Lodge (McKinney), Lake Tahoe Comment
  UC662617  Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Lake Tahoe, Chambers Lodge (McKinney) Lake Tahoe; , Chambers Lodge 1900 Comment
  UC875539  Sanicula tuberosa A. A. Heller 1917-6-17 12863 Placer below Cisco (along the Yuba River); Yuba River 1676 Comment
  UCR207108  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2009-7-16 15226 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
  SEINET11160285  Sanicula tuberosa C. Bell 1962-3-17 14 Placer Above North Fork American River, 2 miles E of Auburn, ecological area. 244 Comment
  CHSC9511  Sarcodes sanguinea J. F. Goodwin 1971-7-10 153 Placer 1 mi W of Lake Tahoe at end of Old County Road, 2.3 mi SW of Cornelian Bay. 1981 Comment
  SEINET3161168  Saxifraga integrifolia W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  UC585214  Saxifraga nidifica var. nidifica E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1585 Placer about 3 mi e Emigrant Gap (between main road and Nevada City Road) 1767 Comment
  CDA16798  Saxifraga odontoloma G. F. Hrusa, J. Glazner 2001-7-15 15937 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2316 Comment
  JEPS47489  Saxifraga odontoloma C. F. Sonne 1886-8-6 91 Placer canyon above Coldstream; Sierra Nevada Mountains Comment
  JEPS59419  Saxifraga odontoloma Ezra Brainerd and Viola B. Baird 1915-7-10 138 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1920 Comment
  SD243064  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2011-4-10 17138 Placer Saacramento Valley: east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road. 98 Comment
  SDSU2325  Scandix pecten-veneris unknown 1948-5-21 1915 Placer 457 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
  UCD43786  Scirpus microcarpus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1152 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC1748299  Scutellaria californica James D. Jokerst 1988-6-6 3008 Placer Long Creek Hydro Project, ca 1 mi W of Ramsey Crossing, N of Long Canyon Creek Comment
  UC565457  Scutellaria californica Herbert L. Mason 1929-10-4 5458 Placer 1 mi above Cisco Comment
  UCD125715  Scutellaria californica C. J. W. 1913-6-26 120 Placer Colfax. Comment
  UC25807  Scutellaria californica Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC418389  Sedum Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  RSA0074845  Sedum obtusatum Lyman Benson 1933-6-26 4537 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  CAS-BOT-BC59068  Sedum spathulifolium Marcus E. Jones 1882-6-30 3345 Placer Emigrant Gap. Comment
  UCD102080  Sedum spathulifolium Noel F. Sommer 1954-5-19 102 Placer 2.9 miles southeast of U.S. Highway 40 on road originating 2.5 miles north of Weimar and going east to Foresthill. 762 Comment
  SEINET12218790  Sedum stenopetalum C. J. Sonee 1885-1 106 Placer Ridge near Tinkers Knobb (Backbone of S.N. Mtns Comment
  UCD21788  Senecio Rex Palmer 1979-6-9 N 162 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CDA19492  Senecio flaccidus var. douglasii M. I. Wibawa 2002-5-27 263 Placer Sacramento Valley; Folsom Lake State Recreation Area. 121 Comment
  JEPS126356  Senecio hydrophilus Steve Matson 2000-7-6 464 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 yards north of Highway 267. Comment
  SJSU5628  Senecio integerrimus var. exaltatus N. D. Addy 1962-7-7 163 Placer soil by Hwy 50, 3 mi NE of Echo summit 1981 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
  CAS-BOT-BC249054  Senecio triangularis George K. Helmkamp; E. A. Helmkamp 2010-8-14 16795 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  CAS-BOT-BC364390  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  JEPS37599  Senecio triangularis L. S. Smith 1927-8-5 2153 Placer e of Duncan Peak (Robertson Flat Ranger Station) 2346 Comment
  UCD15160  Senecio vulgaris Phyllis Adams 1982-4-24 9 Placer near the town of Auburn, in the American River Canyon, at the end of Flood Road; 441 Comment
  JEPS126318  Sericocarpus oregonensis subsp. californicus Steve Matson 2004-8-22 1115 Placer Tahoe Basin west shore; Ward Canyon; Driveway off Zermatt Road near Courchevel Road. Comment
  UC832211  Sericocarpus oregonensis subsp. californicus Ira L. Wiggins 1933-8-21 6789 Placer near, shores of Lake Tahoe Tahoma; Lake Tahoe Comment
  UCD83590  Sericocarpus oregonensis subsp. californicus Albert Grigarick 2009-8-7 159 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1959 Comment
  UC1999910  Sericocarpus oregonensis subsp. californicus J. C. Semple, B. Semple 1995-9-20 10477 Placer Dutch Flats, Main Street; 1.3 km NE of Post Office. Comment
  CAS-BOT-BC243549  Setaria parviflora David D. Keck 1932-7-1 1596 Placer 2 miles N. of Auburn on Nevada City Road 426 Comment
  UC1261251  Setaria viridis G. D. Barbe 1974-11-26 1985 Placer e. Roseville (fence line along Barton Rd. at Eureka Rd., n.w. corner) Comment
  UCD55219  Setaria viridis A. M. Shapiro 2006-8-1 s.n. Placer Colfax; waste ground near railroad tracks. 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
  UCD92827  Setaria viridis var. major G. Douglas Barbe 1974-11-26 1985 Placer along Barton Road at Eureka Road, northwest corner, east of Roseville. Comment
  UC1980584  Sidalcea C. Rose Broome, Crissie Cagle 1978-8-3 2309 Placer Laing Rd. (frontage rd. to Rancho Sierra Inn) just S of I-80 at Emigrant Gap exit. Mountain meadow. Comment
  UCD164649  Sidalcea calycosa Brandi Sorensen 1995-5-12 6 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  RSA463213  Sidalcea glaucescens J. H. Nishida 1985-7-10 791 Placer Homewood. 1829 Comment
  UC112806  Sidalcea glaucescens Katharine Brandegee 1908-7-15 Placer Donner, Summit Station Donner; , Summit Station Comment
  UC149004  Sidalcea glaucescens H. M. Hall 1910-7-1 8732 Placer Cisco Sierra Nevada Mountains, Cisco 1828 Comment
  UCD15606  Sidalcea glaucescens Lisa Montany 1985-5-18 24 Placer Mosquito Ridge Rd, 18.6 miles west of Forest Hill Rd. Comment
  UCD21588  Sidalcea glaucescens E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1251 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  UCR171347  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2005-10-1 9984 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
  SEINET8944245  Sidalcea glaucescens P. A. Lehenbauer 1932-6-26 s.n. Placer Lake Tahoe, near Tavern. Comment
  UCD116793  Sidalcea malviflora Ted Niehaus 1959-4-19 69 Placer Yankee Jims diggins, Shirttail Road. Comment
  UCR170806  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2005-9-30 9950 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR139417  Sidalcea oregana Fay A. MacFadden 1934-8-10 12840 Placer Sierra Nevada Mtns., Cisco 1829 Comment
  CHSC73960  Sidalcea oregana subsp. spicata Susi Urie 1998-8-18 98 -062 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74099  Sidalcea oregana subsp. spicata Susi Urie 1998-8-17 98 -046 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  RSA448230  Sidalcea oregana subsp. spicata George B. Grant 1906-6-25 7072 Placer Lake Tahoe. Comment
  RSA448231  Sidalcea oregana subsp. spicata Albert J. Perkins 1928-8-26 s.n. Placer Lake Tahoe region. Comment
  SBBG117216  Sidalcea oregana subsp. spicata B. Crampton 1972-7-26 8838 Placer Carpenter Flat, E of Emigrant Gap 1615 Comment
  UC710570  Sidalcea oregana subsp. spicata John Thomas Howell 1943-7-19 18570 Placer Summit Valley Comment
  UCD43225  Sidalcea oregana subsp. spicata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 594 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC178688  Silene John H. Thomas; Hazelle A. Thomas 1956-7-21 6115 Placer Vicintiy of Donner Pass, about 80 miles northeast of Sacramento - Sierra Nevada 2377 Comment
  CDA11994  Silene californica G. F. Hrusa 1995-5-2 12175 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UC942755  Silene californica Peter H. Raven, G. L. Stebbins Jr. 1952-4-20 4016 Placer North Fork American River s Auburn (near bridge on Rt. 49); North Fork American River s of Auburn 213 Comment
  CAS-BOT-BC386978  Silene douglasii J. T. Howell 1943-7-21 18634 Placer Donner Pass to Mt. Lincoln Comment
  POM100926  Silene douglasii Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  JEPS59423  Silene douglasii Ezra Brainerd and Viola B. Baird 1915-7-25 143 Placer along trail to the Garden of the Gods Deer Park; Sierra Nevada Mts., Deer Park 2011 Comment
  UCD98668  Silene gallica M. H. Mills 1996-4-12 143 Placer along roadside at 5830 Walden lane, Loomis. 180 Comment
  SEINET5337189  Silene gallica D. H. Erskine 1941-4-28 17 Placer Roseville city limits. 76 Comment
  UCD150316  Silene invisa James A. Neilson Jr. 1970-7-22 1626 Placer Tahoe Basin, Lower Ward Creek, Section 15. 2011 Comment
  UCD159849  Silene invisa G. Ledyard Stebbins; Charlotte Pyles 1979-7-31 s.n. Placer North slope of ridge between Soda Springs, on North Fork American River, and Lyons Peak. 2072 Comment
  CAS-BOT-BC388987  Silene laciniata subsp. californica Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4016 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  CAS-BOT-BC181345  Silene latifolia Margaret J. Williams; Dieter Schacht 1987-6-19 87- 20 -1 Placer Near Hwy 89, just west of Tahoe City 1905 Comment
  CAS-BOT-BC389368  Silene lemmonii Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap 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
  UC311414  Silene lemmonii Marcus E. Jones, A. M. 1882-6-27 Placer Emigrant Gap Comment
  CAS-BOT-BC389497  Silene menziesii Alice Eastwood 1909-1-1 106 Placer Lake Tahoe Region. Ward Creek Comment
  UC334581  Silene occidentalis subsp. occidentalis A. Kellogg Jun 1870 289 Placer Cisco Sierra Nevada, Cisco Comment
  UCR47349  Silene occidentalis subsp. occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco. 1800 Comment
  CAS-BOT-BC438824  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
  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
  SD240950  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2010-4-17 15875 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 313 Comment
  SACT002102  Sitanion hystrix Michael Baad 1976-8-4 Placer Collected amoung rocks and in gravel beside creek, white fir forest with openings. 1975.0 Comment
  SACT002211  Sitanion hystrix Michael Baad 1976-8-7 Placer 1 mile west of trailhead to Bear Lake to trailhead along road to Rubicon Springs from Lake Tahoe. 2316.48 Comment
  SACT002227  Sitanion hystrix D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT002239  Sitanion hystrix D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  CDA36811  Solanum elaeagnifolium D. B. Joley Sep 1976 1 Placer Sierra College Blvd. and Douglas Blvd., southwest corner. 0 Comment
  SDSU11161  Solanum parishii P. A. Munz 1951-5-2 2109 Placer 457 Comment
  UCD127066  Solanum xanti Ted Niehaus 1959-5-3 94 Placer small knoll 100 yards from lake, north shore of Folsom Lake, Granite Bay park, Comment
  SEINET6186061  Solanum xanti L. R. Miller 1934-6-10 s.n. Placer Tahoe City, along highway Comment
  SCFS1160  Solidago E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Cedar's Meadow. Comment
  CAS-BOT-BC365506  Solidago elongata A. A. Heller 1917-8-15 12938 Placer Soda Springs Station, lower end of Summit Valley 2042 Comment
  OBI20136  Solidago elongata David J. Keil 1978-7-23 12951 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UCD43123  Solidago elongata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 491 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS113108  Soliva sessilis Lowell Ahart, Brian Williams 2007-4-13 13634 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  CAS-BOT-BC366000  Sonchus asper Gordon H. True 1968-7-10 4367 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Road 1554 Comment
  UC147613  Sonchus asper Miss Harriet A. Walker 1908-6-27 1328 Placer Blue Canyon 1432 Comment
  UC128209  Sorbus californica Miss Harriet A. Walker 1908-7-26 1445 Placer Cisco 1810 Comment
  CAS-BOT-BC158902  Sorbus scopulina Peter H. Raven 1956-8-4 9992 Placer 1.0 miles from Blue Canyon on road to Emigrant Gap - Sierra Nevada Comment
  UCR146869  Spergula arvensis Beecher Crampton 1952-3-8 9452 Placer Sacramento Valley, southwest of Lincoln along Fiddyment road 38 Comment
Read comments
Oct 9 2010
  CDA3450  Spergula arvensis W. Wilson 1959-3-12 1954 Placer Gunther s property near Lincoln. 0 Comment
  NY482325  Spergularia bocconi E. J. Neese 1985-10-1 17298 Placer Gold Run rest stop along I-80 between Sacramento and Reno Comment
  CHSC81777  Spergularia rubra Lowell Ahart 2001-10-10 9363 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
  UCD150465  Spergularia rubra James A. Neilson Jr. 1971-8-11 2317 Placer Tahoe Basin, Homewood. 1905 Comment
  UCD22171  Spergularia rubra Beth Lowe Corbin 1982-8-17 364 Placer 1 2/3 miles SW of The Cedars. NW facing slope, 10% incline. Partial sun. Occasional. In sandy, disturbed soil on logging skid trail in white fir forest near creek. Flowers pale purplish. 1813 Comment
  CAS-BOT-BC390678  Spergularia rubra A. A. Heller 1917-6-17 12723 Placer Cisco 1828 Comment
  UCD128093  Sphenosciadium capitellatum Rex Palmer 1983-11-10 N 895 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA122177  Spiraea densiflora N. H. French 1934-6-8 403 Placer Cisco Butte 1921 Comment
  UCR241356  Spiraea densiflora George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19819 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  CHSC74329  Spiranthes romanzoffiana Susi Urie 1998-8-29 98 -167 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UC72215  Spiranthes stellata Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahe Region Comment
  SEINET3163883  Spraguea umbellata H. A. Walker 1908-6-23 1207 Placer Blue Canon Station, in the Sierra Nevada 1470 Comment
  UC614788  Stachys ajugoides var. rigida Beryl O. Schreiber 1934-7-4 1182 Placer 6 mi e Lookout Comment
  POM286219  Stellaria longipes Lyman Benson 1942-7-2 11252 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CAS-BOT-BC391175  Stellaria longipes subsp. longipes John Thomas Howell 1943-7-19 18571 Placer Summit Valley Comment
  RSA0041895  Stellaria longipes subsp. longipes William Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UC61558  Stellaria longipes var. longipes Beryl O. Schreiber 1933-7-19 877 Placer Donne Monument Donner Monument; Donner Lake Comment
  SEINET5337366  Stellaria media M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks of American River. 274 Comment
  CAS-BOT-BC181460  Stellaria obtusa A. A. Heller 1919-7-25 13298 Placer About rocks near the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC375010  Stenotus acaulis C. F. Sonne 1885-7-12 138 Placer Sierra Nevada Mts. Tinker's Knob 2895 Comment
  JEPS71598  Stenotus acaulis Gladys L. Smith 1972-6-20 3218 Placer Ward Peak in gravel on open plateau about terminus of Summit Chairlift 2621 Comment
  JEPS72173  Stenotus acaulis Gladys L. Smith 1972-6-20 3214 Placer Ward Peak in gravel on open plateau about terminus of Summit Chairlift 2621 Comment
  SD243104  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2011-8-26 18176 Placer Northern Sierra Nevada Mountains: Robinson Flat, 0.1 mile sout of the campground at Forest Hill Road (Duncan Peak 7.5'Q) 2061 Comment
  UC195908  Stephanomeria lactucina C. F. Sonne 1884-8-24 Placer above Coldstream; Sierra Nevada Mts. Comment
  SACT002316  Stipa californica Michael Baad 1983-8-11 Placer Collected on trail from Alpine Meadowws to Five Lakes Basin. 1.5 miles west toward Whiskey Creek 2072.0 Comment
  SACT002325  Stipa californica D. Meyer 1984-9-23 Placer Dry rocky summit of north-facing slope. 2109.0 Comment
  SACT002354  Stipa lemmonii Michael Baad 1977-6-3 Placer Roadside serpentine. 0.5 mile west of station. 1164.0 Comment
  SACT002358  Stipa lemmonii Michael Baad 1976-6-17 Placer Collected on flood plain at Royale Gorge- Wabena Creek to Wildcat Canyon. Comment
  SACT0023287  Stipa occidentalis D. Meyer 1984-8-26 Placer Collected at summit 1660.0 Comment
  OBI20289  Stipa occidentalis var. californica Robert F. Hoover 1967-9-7 10854 Placer Antone Meadow Comment
  CAS-BOT-BC87414  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-BC87762  Streptanthus tortuosus A. A. Heller 1917-6-17 12690 Placer Near the Yuba River below Cisco. 1676 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
  UCD162746  Streptanthus tortuosus Dylan O. Burge; J. Bisbee 2014-5-25 1630 Placer Bear River watershed, roadside on California States Route 20. 1430 Comment
  UCD22381  Streptanthus tortuosus Beth Lowe Corbin 1982-8-11 320 Placer 1 3/4 miles SW of Onion Creek Campground. SE facing slope, 45% incline. Occasional. Full sun. Open, rock outcrop in montane chaparral. Flowers dried, whitish. 1920 Comment
  SEINET5501001 Image available Streptanthus tortuosus Sally Walker 1982-8-5 Placer Ski area above Tahoe Truckee Rd Comment
  UCR193336  Streptanthus tortuosus var. orbiculatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12174 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  CDA11991  Styrax officinalis var. redivivus G. F. Hrusa 1995-5-2 12172 Placer Sierra Nevada; below Mosquito Ridge Rd. approx. 1 km. east of crossing of North Fork of Middle Fork of the American River. Comment
  UCR115100  Styrax officinalis var. redivivus G. Fred Hrusa 1995-5-20 12172 Placer Below Mosquito Ridge Road c. 1 km east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. 500 Comment
  RSA21429  Styrax redivivus Carl B. Wolf 1937-5-12 8609 Placer Sacramento Valley, W of N Fork American River, 8 mi N of Folsom on road to Auburn. 122 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
  CAS-BOT-BC215300  Symphoricarpos mollis Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap Comment
  UCD74066  Symphoricarpos mollis Jennifer W. Burt 2005-7-17 75 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 2020 Comment
  CAS-BOT-BC97555  Symphyotrichum ascendens J. F. Emmel 1971-8-21 380 Placer 0.2 air mile ENE of N. end of Lake Mary, Donner Pass 2156 Comment
  UCD43888  Symphyotrichum bracteolatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1254 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD159474  Symphyotrichum foliaceum var. parryi D. S. Park 2010-8-21 228 Placer Off Hampshire Rocks Rd. Shaded understory. Also adundant around exit to highway I-80. 1788 Comment
  CAS-BOT-BC98481  Symphyotrichum spathulatum C. G. Pringle 1884-9-1 s.n. Placer Summit Valley, Sierra Nevada Mts. Comment
  CAS-BOT-BC98485  Symphyotrichum spathulatum John Thomas Howell 1943-7-22 18702 Placer Summit Valley Comment
  UCD44490  Symphyotrichum spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1856 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS40836  Symphyotrichum spathulatum Rowena Beans 1914-9-7 Placer 2 mi w Tahoe Tavern Tahoe Tavern Comment
  CAS-BOT-BC98877  Symphyotrichum spathulatum var. intermedium Fay A. Mac Fadden 1934-7-26 12868 Placer Red Mt. Comment
  CHSC74064  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-11 98 -018 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74202  Symphyotrichum spathulatum var. spathulatum Susi Urie; Eric Schroder 1998-9-8 98 -275 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  OBI16991  Symphyotrichum spathulatum var. yosemitanum Robert F. Hoover 1967-9-6 10848 Placer Kings Beach, Lake Tahoe Comment
  CHSC24731  Tauschia hartwegii T. C. English 1976-4-11 23 Placer N fork of American River in shaded areas. 2 mi w of Hwy 49 Bridge on n side of abandoned R.R. 335 Comment
  CDA25003  Thalictrum fendleri J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD22194  Thalictrum fendleri Beth Lowe Corbin 1982-8-6 272 Placer 1/3 mile W of Onion Creek Campground. S facing slope, 30% incline. Uncommon. Partial sun. In rocky, fine, sandy soil about 10 yards from stream in mixed conifer forest. Herb 2 1/2 ft tall. Fruit green. 1920 Comment
  UC495495  Thalictrum fendleri Merle Randall 1930-6-17 Placer above Cisco (w of Donner Lake); Big Bend Ranger Sta. 1767 Comment
  SEINET3161796  Thalictrum fendleri var. platycarpum W. A. Setchell, C. C. Dobie 1901-7-6 sn Placer Glen Alpine 2743 Comment
  UC188094  Thelypodium crispum C. F. Sonne 1886-7-11 Placer McFarland's old mill, road to Hot Springs Comment
  CAS-BOT-BC77731  Thelypteris nevadensis Elizabeth Flint 1925-9-1 s.n. Placer Above Penryn 213 Comment
  CAS-BOT-BC197409  Thinopyrum intermedium subsp. intermedium John Thomas Howell 1976-7-18 51934 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  SEINET12476703  Thysanocarpus curvipes D. K. Worley, H. Mozingo 1977-3-19 s.n. Placer Old road, N of Hwy 49, N of the confluence of North and Middle Forks of American River. 305 Comment
  UC117269  Thysanocarpus radians Mrs. K. Brandegee May, 1884 Placer Roseville Comment
  UCD116044  Thysanocarpus radians Allan R. Magie 1957-4-14 121 Placer Auburn. Comment
  UCD40908  Torilis arvensis Dan Ceobrquist 1984-5-22 10 Placer 3 mi. east of Auburn. Along side of Hwy 80. 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
  CHSC73391  Torreyochloa pallida var. pauciflora L. P. Janeway; Eric Schroder 1998-9-16 6330 Placer Lake Tahoe Basin-National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  HSC3172  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer NE of the Masonic Cemetery, Dutch Flat. 1006 Comment
  SEINET8046752  Toxicodendron diversilobum P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 miles from end of railroad bridge on Calif. 194, winding road, plot located on the right past parking area, down path approx. 60 meters. 1676 Comment
  UC1980550  Tragopogon dubius C. Rose Broome, Crissie Cagle 1978-8-3 2310 Placer Laing Rd. (frontage rd. to Rancho Sierra Inn) just S of I-80 at Emigrant Gap exit. Comment
  CDA15971  Tragopogon pratensis G. F. Hrusa, J. Glazner 1999-7-17 15122 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC380647  Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap Comment
  JEPS75138  Trichostema oblongum J. M. Tucker 1975-7-28 4352 Placer 6 air mi S of Soda Springs (Nevada Co.) (100 yds W of the road into The Cedars, private holding on the upper North Fork of the American River) 1798 Comment
  SEINET5735071 Image available Trichostema oblongum J. M. Tucker 1975-1 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).; Soda Springs 1798 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
  UCD117569  Trientalis latifolia Eric Brenner; John Hunter 1996-5-26 001 Placer Tahoe National Forest, along Forest Hill Road at Mosquito Ridge at Volcano Canyon. 1870 Comment
  CDA36919  Trifolium campestre CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SEINET7072695  Trifolium ciliolatum A. G. Vestal 1963-5-6 s.n. Placer North of Loomis and southeast of Lincoln on Sierra College Blvd. [Humphrey Road]. UTM Zone 10, 654588E, 43033126mN. Coordinate datum: NAD 27. Comment
  JEPS127431  Trifolium cyathiferum Steve Matson 1998-7-28 355 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; east of main boggy site on west fork Snow Creek. Comment
  SJSU8021  Trifolium cyathiferum Virginia Hardham 1965-6-27 Placer by Hwy 89, 4.5 mi S of Truckee 1767 Comment
  SEINET4691681  Trifolium depauperatum var. depauperatum George K. Helmkamp, E. A. Helmkamp 2011-1 17154 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan. 41 Comment
  CAS-BOT-BC444014  Trifolium dubium George K. Helmkamp; Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 293 Comment
  OBI82141  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20488 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR173252  Trifolium dubium George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10453 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCR231899  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2011-4-10 17152 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  UCR253553  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-4-23 22805 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
  JEPS127403  Trifolium hirtum Steve Matson 2006-4-23 1599 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCD111214  Trifolium hirtum Michael A. Vincent 1999-6-12 8634 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. 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
  UCR198410  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2008-4-17 13297 Placer Sacramento Valley / Sierra Nevada Foothills, about 0.2 mile north of CA-193 on Fowler Road, about 6 miles east of Lincoln 93 Comment
  UCR208549  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14677 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UCR250064  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  CDA15685  Trifolium hybridum G. F. Hrusa, J. Glazner 1999-7-18 15235 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Small colony, 1889 Comment
  UCD22007  Trifolium longipes Rex Palmer 1979-6-9 N 179 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD36424  Trifolium longipes Beecher Crampton 1953-7-21 1534 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  UCD44013  Trifolium longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1379 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS127547  Trifolium longipes subsp. hansenii Steve Matson 1998-6-6 223 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 200 m south of Hwy 267, under powerlines, 50 m west of eastside boundary fence. Comment
  UCR208575  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14605 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UC16895  Trifolium monanthum subsp. parvum C. F. Sonne July 1889 13 Placer above Coldsman (canyon) Comment
  UC80329  Trifolium monanthum subsp. parvum Kellogg July 1870 Placer Cisco Comment
  UC147624  Trifolium pratense Miss Harriet A. Walker 1908-6-27 1335 Placer Blue Canyon 1432 Comment
  UCD33733  Trifolium pratense Beecher Crampton 1972-7-26 8843 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC230183  Trifolium productum Kellogg No date on label s.n. Placer Cisco Comment
  CAS-BOT-BC230184  Trifolium productum John Thomas Howell 1938-8-2 13995 Placer 5 miles n. of Brockway Comment
  UCR249555  Trifolium subterraneum George K. Helmkamp 2013-3-1 20151 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  UC397182  Trifolium willdenovii Mary E. Pulsifer 1895-4-1 Placer Auburn Comment
  CHSC84542  Triglochin scilloides John Dittes 2003-5-25 2003 -22 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 39 Comment
  UC147565  Trillium albidum Harriet A. Walker 1908-6-24 1259 Placer Blue Canyon Comment
  RSA0035742  Triphysaria eriantha George K. Helmkamp 2013-3-1 20152 Placer Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  SEINET13748779  Triphysaria eriantha Unknown 1956-4-1 s. n. Placer Along river and railroad track between Auburn and Bowman 418 Comment
  CHSC96511  Triphysaria eriantha subsp. eriantha Lowell Ahart; Brian Williams 2007-4-13 13654 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  JEPS4304  Triphysaria pusilla W. H. Shockley Jun 1886 Placer Auburn Comment
  UCR249527  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, Amy Barnes 2013-3-28 20297 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 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
  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
  UC1155399  Trisetum projectum Beecher Crampton 1964-7-21 7115 Placer Hwy 40 1/2 mi wnw Cisco Grove 1706 Comment
  CHSC67751  Trisetum spicatum James D. Jokerst 1986-7-13 2733 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Park. Comment
  JEPS75237  Trisetum spicatum Gladys L. Smith 1972-8-25 3418 Placer Granite Chief 2651 Comment
  SACT002444  Trisetum spicatum James Grove 1977-7-15 Placer 2000.0 Comment
  UC662468  Triteleia bridgesii Dorothy Law 1941-5-15 Placer Auburn Sierra Nevada foothills Comment
  UC843605  Triteleia bridgesii C. L. Hitchcock 1940-5-15 6402 Placer ca 6 mi n Colfax Comment
  RSA378026  Triteleia hyacinthina Carl B. Wolf 1937-5-12 8610 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  UCR218119  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2010-6-26 16396 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR231885  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-4-10 17150 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  SEINET3127296  Triteleia ixioides W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment