Search Results — 2000 specimen records retrieved (1609 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CDA37459  Abies concolor D. G. Kelch 2011-10-3 11 .82 Placer Tahoe City. Granlibakken Resort. Comment
  SEINET12765775  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Confluence of two creeks.; 0 Comment
  POM85271  Acer macrophyllum Marcus E. Jones 1882-5-28 3308 Placer Emigrant Gap. Comment
  UCR201519  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2008-8-20 14016 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  CAS-BOT-BC210686  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer Ca. 1 mile west of Baxter Comment
  CAS-BOT-BC216415  Achnatherum lettermanii A. A. Heller 1917-8-14 12925 Placer Mount Lincoln, S of Summit Valley 2499 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-BC216875  Achnatherum occidentale Lewis S. Rose 1946-6-23 46193 Placer Rainbow, N of Cisco 1737 Comment
  UCD51021  Achnatherum occidentale G. L. Stebbins 1941-7-16 3174 Placer along U.S. Highway no.40. 1 mile west of Cisco Grove. 1706 Comment
  UCD51038  Achnatherum occidentale subsp. californicum Beecher Crampton 1955-6-15 2912 Placer 1/2 mile north of Forest Hill. 975 Comment
  UC1133192  Achnatherum occidentale subsp. occidentale H. S. Yates 1936-8-9 5982 Placer 1 1/2 mi sw Martis Pk.; Tahoe National Forest, Truckee Quadrangle 2346 Comment
  CDA16992  Achnatherum stillmanii G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16045 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SACT000023  Achnatherum stillmanii Michael Baad 1983-7-11 Placer elevation 5200' and continuing towards Black Mountain to the western edge of section 9, T.16N, R.12E 1585.0 Comment
  UCD51410  Achnatherum stillmanii Beecher Crampton 1964-7-21 7127 Placer Blue Canyon. 1430 Comment
  SCFS1005  Acmispon E. Krimmel 2014-6-26 Placer Above seep at Cedars driveway on Soda Springs road Comment
  CAS-BOT-BC227675  Acmispon americanus var. americanus Beecher Crampton 1972-7-26 8836 Placer Carpenter Flat east of Emigrant Gap 1615 Comment
  UCD103928  Acmispon americanus var. americanus S. S. Smith 1916-6 752 Placer Squaw Valley. Comment
  UCD22015  Acmispon americanus var. americanus Beth Lowe Corbin 1982-8-9 273 Placer 1/4 mile SW of Onion Creek campground. In fine, sandy soil. Disturbed open area in White Fir forest. Prostrate herb. Flowers white. Full sun. South facing slope, 10% incline. Locally common. 1859 Comment
  UCD104064  Acmispon brachycarpus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11711 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  SBBG67416  Acmispon nevadensis var. nevadensis unknown -Apr-1895 Placer American River Comment
  SEINET7720541  Aconitum columbianum Unknown Placer Summit Soda Comment
  CAS-BOT-BC391459  Aconitum columbianum subsp. columbianum Alice Eastwood 1909-1-1 77 Placer Lake Tahoe Region. Sunnyside Comment
  POM151159  Aconitum columbianum var. columbianum Allen M. Carpenter 1892-1 s.n. Placer [Unspecified] Comment
  UCD22144  Aconogonon phytolaccifolium Rex Palmer 1979-7-25 N 674 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC29250  Acroptilon repens Beecher Crampton 1972-7-26 8851 Placer Carpenter Flat east of Emigrant Gap. Along Laing's Road. Comment
  UCD33739  Acroptilon repens Beecher Crampton 1972-7-26 8851 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC29288  Adenocaulon bicolor I. L. Wiggins 1933-8-21 6784 Placer Shores of Lake Tahoe, near Tahoma Comment
  SCFS11529136  Adenocaulon bicolor E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Comment
  UCD128410  Adenocaulon bicolor Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SEINET6700631 Image available Adenocaulon bicolor P. B. Kennedy, S. B. Doten 1901-8-15 405 Placer Bear man's camp, 6 miles from French Meadows Comment
  UCD67894  Adenostoma fasciculatum Julie Knorr 1977-5-29 15 Placer Auburn Ravine Road, ca. 2.2 miles S from Auburn. Comment
  SEINET5338294  Adiantum capillus-veneris K. Thorne, B. F. Harrison 755 Placer 2 miles east of Auburn, Middle fork of American River, south side of river, steep hillside cliffs, shaded woods. 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
  UCR218244  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16429 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  SACT000036  Aegilops triuncialis H. Stinnett, Ron Pelzman 1963-5-26 Placer 762.0 Comment
  UCR232216  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2011-5-6 17216 Placer Eastern Edge of Sacramento Valley, Camp Far West Road, 0.1 mile west of its junction with McCourtney Road, c. 6.3 mi. NE (67 deg. ) of Wheatland 58 Comment
  UCD22078  Agastache urticifolia Rex Palmer 1979-7-25 N 804 Placer Headwaters basin area of the North Fork of the American River Comment
  SCFS1113  Agastache urticifolia E. Krimmel 2013-6-13 Placer NFAm. Split #3. On trail to Heath Falls Overlook. Comment
  CAS-BOT-BC29380  Ageratina occidentalis Helen D. Geis 1912-6-1 106 Placer Deer Park Comment
  CAS-BOT-BC21388  Agoseris aurantiaca var. aurantiaca Alice Eastwood 1909-1-1 198 Placer Sunnyside Comment
  JEPS126299  Agoseris heterophylla var. heterophylla Steve Matson 2003-6-9 797 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267 and west of Martis Creek, along Airpot Creek. Comment
  JEPS126326  Agoseris heterophylla var. heterophylla Steve Matson 2003-6-9 797 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267 and west of Martis Creek, along Airpot Creek. Comment
  JEPS111240  Agoseris retrorsa Steve Matson 2005-6-19 1296 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
  UC148946  Agoseris retrorsa H. M. Hall 1910-6-28 8722 Placer s slope, (opposite Cisco) Rattlesnake Creek; Sierra Nevada Mts. 1981 Comment
  SACT000066  Agropyron trachycaulum Michael Baad 1976-7-14 Placer 1 mile east of Baker Ranch on Forest Hill Divide 1402.08 Comment
  SACT000073  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1767.84 Comment
  SACT000077  Agropyron trachycaulum D. Meyer 1983-8-7 Placer Moist shady area, Louisiana Pacific Private Forest entrance 2000.0 Comment
  SACT000064  Agropyron trichophorum D. Meyer 1983-8-7 Placer bike trail behind Tahoe City shopping mall near lake shore 1891.0 Comment
  CAS-BOT-BC127449  Agrostis elliottiana Beecher Crampton 1957-5-7 3998 B Placer 1.7 miles east of Lincoln. 73 Comment
  CAS-BOT-BC127106  Agrostis exarata 12891 Placer Summit Station. 2121 Comment
  CHSC79875  Agrostis exarata G. F. Hrusa; J. Glazner 1999-7-18 15215 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS102472  Agrostis exarata Lowell Ahart 2001-10-10 9360 Placer French Meadows Reservoir, about 1/4 mile NE of boat or trail access area on NW side of reservoir, about 3/4 mile SW of bridge across Middle Fork of American R, about a 1 3/4 mi SW of Ahart Camp, about 22 mi (air) NE of Forest Hill. 1591 Comment
  RSA129619  Agrostis exarata H. S. Yates 1936-9-8 5987 Placer 2 miles SW of Martis PK. 2287 Comment
  SACT000101  Agrostis exarata D. Meyer 1984-7-29 Placer French Meadows roadside of reservoir. Moist shady north facing slope. 1612.0 Comment
  SACT000110  Agrostis exarata D. Meyer 1984-9-23 Placer Bladewood Creek, very wet rocky creek bed. 1212.0 Comment
  UCD38682  Agrostis exarata Beecher Crampton 1956-7-17 3729 Placer Blue Canyon. 1432 Comment
  UCD52347  Agrostis exarata Hitchcock Date Unknown 12891 Placer Summit Station. 2121 Comment
  UCR233279  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2011-7-9 17682 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  UCD36675  Agrostis exarata var. pacifica Beecher Crampton 1955-6-15 2915 Placer Placer County, 6 miles west of Forest Hill. Comment
  CDA13693  Agrostis gigantea G. F. Hrusa, J. Glazner 1997-8-3 14053 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Common in wet meadow openings. Appears rhizomatous. Comment
  CDA15761  Agrostis idahoensis G. F. Hrusa, L. Serafini 1993-6-29 11256 Placer Occasional on poorly drained gravelly flats among granite boulders. Huckleberry oak chaparral within white fir-ponderosa pine forest. S side of French Meadows Reservoir, immed. below dam. Perennial bunchgrass. Comment
  UCR241359  Agrostis idahoensis George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19816 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  SEINET11695841  Agrostis microphylla Unknown 1957-5-7 3998 Placer 1.7 mi E of Lincoln, road to Newcastle Comment
  CAS-BOT-BC139143  Agrostis oregonensis Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CAS-BOT-BC139000  Agrostis pallens A. A. Heller 1917-8-13 12897 Placer Base of a cliff north of Summit hotel. 2164 Comment
  UCD53260  Agrostis pallens B. Bolt 1934-7-17 135 Placer 1/2 mi. S.W. of Walker Mine. Comment
  UCR257727  Agrostis pallens George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19523 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
  SACT000153  Agrostis scabra Michael Baad 1983-7-23 Placer on gravel road 1828.8 Comment
  SACT000157  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 Comment
  SACT000167  Agrostis scabra D. Meyer 1984-8-12 Placer 11.2 km from French Meadows, very wet boggy area and grazed wooded area 1612.0 Comment
  UCD34882  Agrostis scabra Beecher Crampton 1964-7-9 7112 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 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
  SACT000217  Agrostis tenuis D. Meyer 1984-8-17 Placer 667.0 Comment
  SACT000248  Agrostis variabilis D. Meyer 1984-7-15 Placer 1909.0 Comment
  SACT000250  Agrostis variabilis Michael Baad 1983-8-21 Placer On road to Kidd and Cascade Lakes 2.4 miles southwest of Soda Springs exit off of Interstate 80 2019.0 Comment
  SACT000252  Agrostis variabilis Michael Baad 1976-8-7 Placer 2072.64 Comment
  CDA19546  Aira caryophyllea M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 229 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
  RSA492380  Aira caryophyllea P. Reisentz 1979-5-11 s.n. Placer 1 mile south of Sheridan on Highway 65. Comment
Read comments
Jan 12 2015
  SACT000230  Aira caryophyllea D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  SACT000232  Aira caryophyllea D. Meyer 1984-8-4 Placer Meadow, mostly dry with a few springs 1454.0 Comment
  UCR208605  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2009-5-7 14615 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  JEPS47574  Allium amplectens L. S. Smith 1925-6-13 1671 Placer Picayune Creek Tahoe Forest, French Meadows Range, Picayune Creek 1981 Comment
  JEPS56352  Allium amplectens Leland S. Smith 1925-7-13 1671 Placer Picayune Creek Tahoe National Forest, Picayune Creek 1981 Comment
  UC147614  Allium campanulatum Miss Harriet A. Walker 1908-6-23 1360 Placer Blue Canyon 1432 Comment
  UC710487  Allium campanulatum Lewis S. Rose 1944-7-13 44106 Placer Chambers Lodge Lake Tahoe, Chambers Lodge 1920 Comment
  JEPS111331  Allium lemmonii Steve Matson 2005-6-12 1269 Placer Martis Valley, ca 5 miles southeast of Truckee, Northstar subdivision,west of 267, near entrance road just east of gas station; 39.2873 N, 120.1068 W; Elevation 6200 ft. 1889 Comment
  POM110112  Allium obtusum var. obtusum Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  CHSC46525  Allium platycaule Lowell Ahart 1964-7-3 12 Placer Along the trail to the Placer Queen Mine, north-east of Bald Mountain. 1676 Comment
  CAS-BOT-BC474083  Allium platycaule L. Smith 1926-5-26 1873 Placer Duncan Canyon above Forks, Tahoe Forest 1676 Comment
  JEPS2719 Image available Allium sanbornii var. congdonii Katharine Brandegee 1908-7-18 Placer Cape Horn; ; Cape Horn, Placer Co. Comment
  UCD80412  Allium sanbornii var. sanbornii CNPS SN Foothill Team 2006-6-27 SNNR 0728 a Placer Placer Land Trust Shutamul Parcel, along the Bear River. 305 Comment
  UCR208581  Allophyllum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14679 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
  UCR250083  Allophyllum gilioides subsp. gilioides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20504 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  UC1123712  Allophyllum gilioides subsp. violaceum N. French 1934-6-22 480 Placer 1/2 mi. w. Lake Van Norden; Truckee Quad. Comment
  SEINET4560780  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-1 18184 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  UC196658  Allotropa virgata Miss Adele Dahl Placer Tahoe City Comment
  SBBG55742  Alnus incana subsp. tenuifolia D. Keil 1978-7-23 12922 Placer Cisco Grove exit from Interstate 80, just E of Nevada County line 1767 Comment
  SDSU4775  Alnus incana subsp. tenuifolia unknown 1948-5-22 1823 Placer 1707 Comment
  SEINET8074268  Alnus incana var. occidentalis R. N. Ell 1999-7-27 2 Placer Near Truckee River, N of Tahoe City on Rte. 89, near turnoff to Alpine Meadows Ski Area. 1881 Comment
  SEINET4560810  Alnus rhombifolia George K. Helmkamp, E. A. Helmkamp 2010-1 17025 Placer Northern Sierra Nevada Mountain Foothills: along Forest Route 24 at Parker Flat and Beside Forbes Creek, 1.9 miles east (airlines) of the Sugar Pine Reservoir dam. 1180 Comment
  UCD110001  Alnus rhombifolia Beecher Crampton 1960-11-2 5795 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  SEINET12030196  Alnus tenuifolia J. H. Nishida 1985-1 793 Placer Homewood: Red Fir Forest 1829 Comment
  SACT000260  Alopecurus aequalis Michael Baad 1983-7-23 Placer along hwy 267 on southside of the road Comment
  UCD150259  Amaranthus albus James A. Neilson Jr. 1971-9-9 2645 Placer Tahoe City Nursery (McBride's Nursery). 1905 Comment
  UCD150262  Amaranthus hybridus James A. Neilson Jr. 1971-9-9 2644 Placer Tahoe City Nursery (McBride's Nursery). 1905 Comment
  JEPS59457 Image available Amelanchier alnifolia var. pumila Ezra Brainerd and Viola B. Baird 1915-7-13 192 Placer slopes along Truckee River; Sierra Nevada Mountains 1905 Comment
  CAS-BOT-BC136769  Amelanchier utahensis A. A. Heller 1917-6-19 12729 Placer Emigrant Gap 1615 Comment
  UCD22262  Amelanchier utahensis Beth Lowe Corbin 1982-8-3 202 Placer Hill NW of Onion Creek Campground. 1853 Comment
  CDA39024  Amelanchier utahensis var. utahensis D. G. Kelch 2011-10-3 11 .819 Placer Tahoe City. Granlibakken Resort. Comment
  UC479941  Amsinckia Katharine Brandegee May 1883 Placer between Salmon Falls and Auburn; Alabaster Cave Comment
  UCD119687  Amsinckia intermedia M. H. Mills 1996-4-12 132 Placer At corner of Eden Oaks Circle and Walden Lane, Loomis. 180 Comment
  UCD21771  Anaphalis margaritacea Rex Palmer Date Unknown N 887 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA31477  Andropogon virginicus Cliff Hulbert 1957-10-27 Placer Auburn, Ranch of Edward Forester (Rt. , Box 1218) 0 Comment
  UCD56110  Andropogon virginicus Beecher Crampton 1957-5-7 3999 Placer 2 miles west of Clipper Gap, US Hwy. 40 ca. 3 miles east of Auburn. Comment
  RSA125348  Angelica breweri P. H. Raven 1958-6-14 13210 Placer West side of Donner Pass 2165 Comment
  UC1122889  Angelica breweri B. Bolt 1934-7-12 105 Placer Tahoe National Forest, Snow Mountain Snow Mountain; Tahoe National Forest, Snow Mountain 2438 Comment
  UC1122895  Angelica breweri R. C. Wilson 1934-9-19 72 Placer Tahoe National Forest, Squaw Valley Squaw Valley; Tahoe National Forest, Squaw Valley 2011 Comment
  UCD21840  Angelica breweri Beth Lowe Corbin 1982-8-12 330 Placer Onion Creek campground. In wet soil along streambank. Perennial herb 2 1/2' high. Flowers whitish. Full sun. SW facing slope, 5% incline. Occasional. 1841 Comment
  POM264542  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer near Cisco, shrubby hillside. 915 Comment
  SACT000333  Anthoxanthum odoratum Michael Baad 1983-7-10 Placer Onion Valley, 6.1 by road south of Emigrant Gap townsite, open wet meadow with Allium validum and Schoenolinum. 1524.0 Comment
  SACT000337  Anthoxanthum odoratum Michael Baad 1983-7-1 Placer .3 mile north of Blue Canyon Inn on road to I 80 along stream. 1584.96 Comment
  SACT000341  Anthoxanthum odoratum D. Meyer 1984-6-3 Placer Crother Road, 1.6km north of Applegate, shady oak woodland, moist area. 606.0 Comment
  UC790982  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer near Cisco 914 Comment
  UCD56275  Anthoxanthum odoratum Beecher Crampton 1955-6-15 2863 Placer 3 miles east of Weimar. Comment
  UC12046  Aphanes occidentalis H. N. Bolander 4541 Placer Auburn Comment
  SEINET6329790  Aphanes occidentalis D. E. Brix 1962-3-17 s.n. Placer 3.5 miles east of Auburn 274 Comment
  SDSU2587  Apocynum androsaemifolium Bill Sonle 1942-5-27 3308 Placer Colfax Comment
  UCD22105  Apocynum androsaemifolium Rex Palmer 1979-7-12 N 601 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  UCR121483  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5017 B Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR206595  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15208 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  RSA634243  Aquilegia formosa Robert M. Rhode, B. Nemeth 1997-6-26 169 Placer Near Blackwood Creek Canyon Road, about 0.4 miles west of turnoff from Highway 89 ( c. 4 miles south of Tahoe City) 1921 Comment
  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
  CAS-BOT-BC397899  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  POM143944  Arabis drummondii C. F. Sonne 1897-07 s.n. Placer Bear Valley on Truckee River. Comment
  UCR121486  Arabis holboellii var. retrofracta George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5020 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CDA16805  Arabis platysperma G. F. Hrusa, J. Glazner 2001-7-15 15944 Placer Sierra Nevada; Near summit of Crows Nest Pk. immed. W of Sugarbowl. 2346 Comment
  SEINET12616242  Arabis rigidissima K. Christie 2011-8-30 2082 Placer Lake Tahoe Basin Management Unit (LTBMU); from Brockway Summit, ca. 2.0 mi. east along forest service road towards Martis Peak; ca. 1.25 mi. southwest of Martis Peak. Comment
  CAS-BOT-BC409995  Arceuthobium campylopodum Lowell Ahart 1972-6-28 s.n. Placer French Meadows 1524 Comment
  UC191532  Arceuthobium campylopodum C. F. Sonne 1889-7-9 Placer near Lake Tahoe Comment
  CAS-BOT-BC24250  Arctostaphylos mewukka T. S. Brandegee 1888-1-1 33 Placer Emigrant Gap. Comment
  CAS-BOT-BC40049  Arctostaphylos nevadensis R. F. Hoover 1967-9-5 s.n. Placer Carnelian Bay, Lake Tahoe Comment
  CAS-BOT-BC42101  Arctostaphylos patula T. S. Brandegee 1888-1-1 34 Placer Blue Canyon Comment
  CAS-BOT-BC42103  Arctostaphylos patula W. R. Dudley 1909-8-16 s.n. Placer Near Clark's Dutch Flat Comment
  RSA257024  Arctostaphylos patula Gary D. Wallace 1974-12-27 1373 Placer Near Lake Tahoe on the outskirts of Homewood. 1905 Comment
  UCSB57988  Arctostaphylos patula Wallace, Gary; Thorne, Robert; DeBuhr, L.; Tatsuno, A. 1975-4-13 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can.; T6N, R11E, Sec. 31 1207 Comment
  UCD53447  Arctostaphylos patula subsp. patula Gary D. Wallace; R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1420 Placer Sierra Nevada; Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
Read comments
Jul 23 2017
  UCR178677  Arctostaphylos viscida Ellen Dean, John Downs, Brian Ludwig 2006-3-30 2830 Placer Along Secret Town Road, near railroad overpass trestle, NW of I-80 915 Comment
  CDA34219  Arctostaphylos viscida D. G. Kelch 2011-5-17 11 .518 Placer Dutch Flat. Comment
  POM202780  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11121 Placer 3 miles above Colfax near the road. 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
  SBBG28880  Arctostaphylos viscida subsp. viscida C. B. Wolf 1930-10-11 993 Placer near Alta 1127 Comment
  UC571236  Arctostaphylos viscida subsp. viscida H. L. Mason 1926-5-28 3264 Placer hills near Auburn Comment
  UC82995  Arctostaphylos viscida subsp. viscida Katharine Brandegee June 1889 Placer Blue Canyon Comment
  RSA423602  Arenaria kingii subsp. compacta William Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CAS-BOT-BC137568  Aristida oligantha Catherine Best 1984-8-11 1031 Placer Sierra Nevada. South Campground Camp Far West Reservoir. 91 Comment
  SACT000295  Aristida oligantha Josephine Van Ess 1974-10-30 Placer Springy, grassy area; collected at large pond adjacent to Salt Spring on Ferrari Ranch Comment
  JEPS126337  Arnica chamissonis Steve Matson 1997-7-5 33 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Wildlife Area; 50 yards north of Highway 267 and 20 yards west of Martis Creek. Comment
  CAS-BOT-BC82201  Arnica chamissonis Lyman Benson 1942-7-2 11262 Placer Junction of U.S. 40 and the Truckee River Road to Lake Tahoe, Sierra Nevada Mt. Range, Truckee River 1828 Comment
  CAS-BOT-BC82203  Arnica chamissonis 1906-8-1 7082 Placer Tallac - About Tahoe Comment
  CAS-BOT-BC82321  Arnica cordifolia Alice Eastwood 1912-6-15 450 Placer Tahoe City, Lake Tahoe Region Comment
  JEPS126301  Arnica cordifolia Steve Matson 1999-6-12 409 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. Comment
  UC193450  Arnica cordifolia C. F. Sonne 1885-5-17 Placer On road to Tahoe near old Shingle Mill, at Squaw Creek Comment
  CAS-BOT-BC82318  Arnica cordifolia John Thomas Howell 1938-8-2 13997 Placer 5 miles n. of Brockway Comment
  RSA123055  Arnica dealbata B. Bolt 1934-8-14 171 Placer Red Star Ridge, between Mount Mildred and Middle Fork of the American River, Tahoe National Forest. 2134 Comment
  UC84125  Arnica dealbata C. F. Sonne July 1895 Placer road to Lake Tahoe Comment
  UC159245  Arnica longifolia Miss Harriet A. Walker 1910-6-21 2165 Placer near, (on the edge of Bear Creek) Deer Park; Bear Creek 1981 Comment
  UC29592  Arnica mollis Miss M. E. Parsons 1896-8-1 Placer Deer Park, (Lake Tahoe) Comment
  UCD43098  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 466 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CDA13688  Arnica parryi G. F. Hrusa, J. Glazner 1997-8-3 14048 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  JEPS22812  Artemisia arbuscula A. A. Heller 1917-8-13 Placer ridge nw of Donner Pass 2346 Comment
  JEPS72585  Artemisia arbuscula Gladys L. Smith 1972-6-20 3229 Placer steep, exposed ridge from chairlift terminus to ultimate summit peak Ward Peak 2632 Comment
  JEPS72586  Artemisia arbuscula Gladys L. Smith 1972-6-20 3199 Placer about terminus of summit chairlift Ward Peak 2621 Comment
  JEPS126341  Artemisia cana subsp. bolanderi Steve Matson 1997-9-27 181 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south of Highway 267 near Martis Creek. Comment
  UCD75938  Artemisia ludoviciana Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5175 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
  UC193589  Artemisia ludoviciana subsp. incompta C. F. Sonne 1887-8-7 Placer mts. above Coldstream Comment
  CAS-BOT-BC93707  Artemisia norvegica subsp. saxatilis C. F. Sonne 1885-8-23 177 Placer E. slope Anderson's Peak 2743 Comment
  SACT000353  Arundo donax var. donax D. Meyer 1984-5-28 Placer Collected at railroad crossing. 188.0 Comment
  CAS-BOT-BC400749  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
  UCD38846  Asarum lemmonii Beecher Crampton 1958-6-24 4964 Placer Placer County; three miles west of Baxter. Earl Morton Ranch. 1066 Comment
  SCFS1003  Asclepias speciosa E. Krimmel 2014-6-26 Placer Edge of Soda Springs road, across from Cedars driveway Comment
  UCD150267  Asclepias speciosa James A. Neilson Jr. 1971-7-25 2283 Placer Tahoe Basin, King's Beach. 1901 Comment
  SCFS11529135  Aspidotis densa E. Krimmel, F. Felix 2012-9-13 Placer NFAm, on trail. Tucked around rocks in shallow ravine. Comment
  RSA531308  Aster breweri Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4547 Placer Squaw Valley, beyond upper cable car stn. Comment
  CDA16055  Aster eatonii G. F. Hrusa, J. Glazner 2000-9-3 15683 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CDA25023  Aster occidentalis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 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
  SEINET2443006  Aster radulinus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15453 Placer Northern Sierra Nevada Mountains. Forest Hill Road, 21.7 miles northeast of the city of Foresthill. 1701 Comment
  SCFS1029  Asteraceae E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 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
  UC170082  Astragalus canadensis var. brevidens Miss Helen D. Geis August 1912 Placer near Truckee; near Truckee Comment
  SEINET948208  Astragalus cicer M. F. Wojciechowski 1997-1 731 -dupl. Placer Under Hirshdale Rd. overpass on Interstate-80 at junction with Truckee River. Comment
  CDA16051  Athyrium filix-femina G. F. Hrusa, J. Glazner 2000-9-3 15669 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 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
  UCD136286  Athyrium filix-femina var. californicum F. A. MacFadden 1934-7-1 s.n. Placer Canyon Creek, Monte Vista Inn. Comment
  SEINET11193207  Athysanus pusillus F. Martin 1962-3-16 74 Placer Above the North Fork Yuba River, 2 miles E of Auburn. 274 Comment
  SACT000357  Avena barbata D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  SACT000420  Avena sativa D. Meyer 1984-7-9 Placer pear and plum orchard 206.0 Comment
  CHSC46166  Azolla filiculoides Lowell Ahart 1975-3-16 708 Placer About 1/2 mile north-east of the intersection of Wise Road and McCortney Road, north-east of Lincoln. 41 Comment
  UC1278006  Balsamorhiza macrolepis B. Crampton 1957-5-7 3983 Placer 3.2 miles north of Roseville, along the railroad and U.S. Highway. 99 E. Comment
  CDA10486  Balsamorhiza macrolepis T. C. Fuller 1958-4-15 Placer Highway 99E, 2 miles north of Roseville. 0 Comment
  CAS-BOT-BC100092  Balsamorhiza sagittata Alice Eastwood 1912-6-15 363 Placer Deer Park, Lake Tahoe Region Comment
  UC30517  Balsamorhiza sagittata J. Burtt Davy Jun 25 1897-Jun 30 1897 3272 Placer between Truckee and Tahoe Truckee River Basin Comment
  CAS-BOT-BC16553  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  UC10261  Barbarea orthoceras C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UCD63142  Barbarea orthoceras A. M. Shapiro 2007-6-13 s.n. Placer California. Placer County: Along railroad tracks near Soda Springs. 2115 Comment
  UCR120235  Barbarea orthoceras George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5071 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  POM350843  Bidens frondosa Wm. Martin 1971-9-10 20205 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  UCD35242  Bidens frondosa Beecher Crampton 1952-11-9 927 Placer Along a ditch near Meadow Vista, about 6 miles east of Auburn. Comment
  CAS-BOT-BC413045  Bistorta bistortoides Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CAS-BOT-BC413047  Bistorta bistortoides John Thomas Howell 1943-7-22 18697 Placer Summit Valley Comment
  RSA655456  Blennosperma nanum Beecher Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  SEINET4176258  Boechera J. Halderman 2007-9-18 s.n. Placer Sierra Nevada, north-facing slope of Lookout Mountain at Northstar Ski Area 2346 Comment
  UCD22355  Boechera Rex Palmer 1979-6-21 N 380 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC136184  Boechera acutina C. F. Sonne 1897-7-4 Placer on road to Tahoe Bear Valley Comment
  CAS-BOT-BC15949  Boechera breweri subsp. breweri Kellogg 1870-6-17 s.n. Placer Sierra Nevada Mountains. Cisco. Comment
  UCD22351  Boechera lyallii Rex Palmer 1979-7-12 N 644 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC14252  Boechera pinetorum Lewis S. Rose 1944-7-10 44052 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CAS-BOT-BC14254  Boechera pinetorum Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside. Comment
  CAS-BOT-BC14403  Boechera platysperma George B. Grant 1906-7-15 7014 Placer Tahoe Tavern. Lake Tahoe. 1889 Comment
  UC136096  Boechera platysperma A. A. Heller 1903-7-20 6975 Placer Donner Pass 2133 Comment
  CAS-BOT-BC14401  Boechera platysperma J. F. Emmel 1970-6-21 314 Placer Slope, 0.6 air mile south of south end of Donner Pass. 2286 Comment
  SEINET3162685  Boechera rectissima C. D. Bailey 2004-7-15 253 Placer Eagle Rock trail, ca. 7 miles south of Tahoe City on hwy 89 to Emerald Bay; roughly 1/4 mi. from the trailhead 1825 Comment
  JEPS118217  Boechera retrofracta Dean W. Taylor 2010-8-10 20994 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 Comment
  UCD22344  Boechera retrofracta Rex Palmer 1979-6-19 N 240 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA466759  Boykinia occidentalis Fay A. MacFadden 1934-7-1 12581 Placer Canyon Creek - Dutch Flat. Comment
  CAS-BOT-BC418414  Boykinia occidentalis W. R. Dudley 1909-8-1 s.n. Placer Little Bear Valley 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
  CDA36920  Briza minor CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SEINET4344869  Briza minor A. Tiehm, Hugh Mozingo, Margaret Williams, Emily McPherson 1975-1 621 Placer one mile north of Lincoln Comment
  UCD57484  Briza minor August L. Hormay 1932-5-24 s.n. Placer West of Auburn. Comment
  UCD163359  Brodiaea coronaria Robert E. Preston 2014-5-12 2961 Placer 2.1 mi SE of Sheridan, E of Old Hwy 65, S of Yankee Slough. 34 Comment
  RSA785457  Brodiaea elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2010-6-26 16372 Placer junction of Canyon Way and Yankee Jim s Road, east of I-80 between Weimar and Colfax 616 Comment
  UC337863  Brodiaea elegans subsp. elegans unknown June, 1889 Placer near Auburn Comment
  UC337865  Brodiaea elegans subsp. elegans unknown 1889-6-12 Placer near Blue Canyon Comment
  UCR219682  Brodiaea elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2010-6-26 16372 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR249600  Brodiaea elegans subsp. elegans George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20829 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  CAS-BOT-BC484259  Brodiaea elegans var. elegans L. S. Smith 1926-5-23 1870 Placer Colfax Rd above Bear River 853 Comment
  SACT000376  Bromus arvensis D. Meyer 1983-6-5 Placer roadside ditch. 829.056 Comment
  SACT000381  Bromus carinatus D. Meyer 1984-6-23 Placer Nevada-Placer County line, moist shaded area. 594.0 Comment
  UC2042516  Bromus carinatus 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
  UCD58262  Bromus carinatus Lewis S. Rose 1944-7-12 44094 Placer Chambers Lodge. Lake Tahoe. 1920 Comment
  UCD75703  Bromus carinatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5152 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
  RSA0034726  Bromus carinatus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  RSA97575  Bromus carinatus P. H. Raven 1950-6-16 2412 Placer Boxters Comment
  SEINET4345208  Bromus carinatus W. D. Billings 1940-5-18 1302 Placer Gold Run Comment
  UC1130991  Bromus carinatus var. carinatus G. T. Nordstrom 1934-6-21 138 Placer Tahoe National Forest, Mammoth Springs Mammoth Springs; Tahoe National Forest, Mammoth Springs 1706 Comment
  CAS-BOT-BC148722  Bromus carinatus var. marginatus Lewis S. Rose 1944-7-12 44090 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  UCD59138  Bromus carinatus var. marginatus L. S. Smith 1928-7-15 XSV Placer Squaw Valley. 1828 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
  CHSC74335  Bromus ciliatus Susi Urie; Eric Schroder 1998-9-12 98 -371 Placer Meadow complex on the south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCR146660  Bromus commutatus Beecher Crampton 1955-6-15 2862 Placer Sierra Nevada Mountains, 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills [Yankee Jim] Road, just off U.S. Highway 40 701 Comment
  POM264452  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco 915 Comment
  SACT000524  Bromus diandrus Michael Baad 1977-6-8 Placer road between Forest Hill and French Meadows, roadside in serpentine chaparral community 914.4 Comment
  SACT000526  Bromus diandrus D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  UCD59464  Bromus diandrus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCD58815  Bromus hordeaceus A. A. Beetle 1941-5-26 2712 Placer Near Cisco. 914 Comment
  SACT000563  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-7-3 Placer 5.4 miles north of Foresthill Road 1234.44 Comment
  SACT000567  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-6-5 Placer roadside ditch 829.056 Comment
  SACT000553  Bromus inermis D. Meyer 1984-7-21 Placer east of Tahoe City, moist roadside ditch and pine wooded area, dense shade. 1927.0 Comment
  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
  CDA15966  Bromus laevipes G. F. Hrusa, J. Glazner 1999-7-17 15121 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD58996  Bromus madritensis August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  HSC9325  Bromus madritensis subsp. rubens L. M. Malloy 1965-4-17 43 Placer 5 mi. W of Newcastle on Newcastle-Lincoln Rd. by Nakamura's pond Comment
  SACT000694  Bromus marginatus D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT000696  Bromus marginatus D. Meyer 1983-7-30 Placer roadside ditch 1853.18 Comment
  SACT000704  Bromus marginatus Michael Baad 1983-8-11 Placer 2133.6 Comment
  JEPS69205  Bromus orcuttianus Leland S. Smith 1926-6-4 1883 Placer above Bullion Mine (Tahoe National Forest, Eldorado Canyon); Tahoe National Forest, Eldorado Canyon 1066 Comment
  SACT000618  Bromus orcuttianus D. Meyer 1984-7-29 Placer 1645.92 Comment
  SD43593  Bromus racemosus D. F. Howe 1948-5-20 Placer 456 Comment
  SEINET3922457  Bromus rigidus Arnold Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-3-25 606 Placer One mile north of Lincoln.; 0 Comment
  SACT000719  Bromus rubens Josephine Van Ess 1975-4-16 Placer North of Rock Corral, Linda Creek drainage, found in crevices in rocks 915.0 Comment
  UCD59522  Bromus rubens M. Vincent 1965-4-19 649 Placer 4 miles south of Marysville. Comment
  UCD22237  Bromus suksdorfii Beth Lowe Corbin 1982-8-19 376 Placer 1 1/4 miles SSW of The Cedars. NE facing slope, 20% incline. Occasional. Mostly sun. In rocky, fine, sandy soil of logged white fir forest. Perennial forming moderately small bunches. 1828 Comment
  SACT000784  Bromus tectorum Josephine Van Ess 1977-5-5 Placer 158.5 Comment
  SD44641  Bromus tectorum D. F. Howe 1951-5-3 Placer 1067 Comment
  CHSC82661  Bulbostylis capillaris Lowell Ahart 2002-7-22 9908 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  UCD100240  Calandrinia ciliata M. H. Mills 1996-4-12 153 Placer on edge of ephemeral pond at 5830 Walden Lane, Loomis. 180 Comment
  CDA37239  Calandrinia ciliata CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  SEINET9097932  Calandrinia ciliata var. menziesii A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 609 Placer One mile N of Lincoln. Comment
  JEPS42836  Callitriche marginata W. L. Jepson 1938-4-5 18578 a Placer Sacramento to Auburn Comment
  CDA37824  Calocedrus decurrens D. G. Kelch 2011-10-3 11 .821 Placer Tahoe City. Granlibakken Resort. Comment
  UCR146860  Calocedrus decurrens Beecher Crampton 1960-11-2 5798 Placer Sierra Nevada Mountains, town of Gold Run 976 Comment
  UCD139464  Calochortus albus J. L. Wirka 1995-5-19 s.n. Placer approximately 2 miles 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
  UCR250350  Calochortus albus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20358 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
  CHSC79867  Calochortus leichtlinii G. F. Hrusa; J. Glazner 1999-7-18 15186 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley. 1905 Comment
  UCD150569  Calochortus leichtlinii James A. Neilson Jr. 1971-7-7 2204 Placer Tahoe Basin, Lower Ward Creek #102. 1905 Comment
  CAS-BOT-BC490164  Calochortus leichtlinii Lowell Ahart 1963-7-1 s.n. Placer Near Robinson Flat. 1828 Comment
  CAS-BOT-BC490165  Calochortus leichtlinii W. R. Dudley 1893-6-8 s.n. Placer Sandy Plains near Tahoe 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
  CAS-BOT-BC483468  Calochortus minimus Miss T. O. Raphael 1923-7-6 s.n. Placer Cisco Comment
  CAS-BOT-BC483470  Calochortus minimus R. S. Smith 1926-4-16 1781 Placer Foresthill Divide, Tahoe forest 792 Comment
  UC843674  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer ca 1 mi w Baxter Comment
  UCR235591  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18926 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  CAS-BOT-BC493403  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer 1 mile west of Baxter Comment
  UC614454  Calochortus monophyllus L. Constance, J. L. Morrison 1938-4-30 2172 Placer e edge Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  SEINET3992420  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles north of Colfax Comment
  SEINET8197723  Calochortus superbus W. Roderick, R. Halliday 1967-6-10 s.n. Placer N edge of Auburn. 366 Comment
  CAS-BOT-BC270651  Calycadenia multiglandulosa David D. Keck 1932-7-1 1590 Placer 2 miles N of Auburn 425 Comment
  CAS-BOT-BC270654  Calycadenia multiglandulosa H. D. Ripley; R. C. Barneby 1948-7-12 9815 Placer Applegate, along railroad Comment
  UC935701  Calycadenia multiglandulosa David D. Keck and J. Clausen 1932-7-1 1590 Placer 2 mi n of Auburn 426 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
  UC481025  Calycadenia truncata Katharine Brandegee 1908-6-1 Placer Cape Horn Comment
  JEPS127654  Calyptridium monospermum Jurriaan M. de Vos 2014-6-27 295 Placer El Dorado NF. Ca. 1.8 miles SW along French Meadows Road toward Hell Hole from French Meadows Reservoir. Comment
  UC398651  Calyptridium umbellatum A. A. Heller 1927-8-16 14448 Placer above Donner Lake (summits of Sierra Nevada, near summit of Donner Pass); Sierra Nevada Comment
  SCFS5090  Calystegia malacophylla F. Felix, Erica Krimmel 2013-5-19 11 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  JEPS31609  Calystegia occidentalis subsp. occidentalis W. H. Shockley June 1886 Placer Auburn Comment
  UCD150570  Camassia quamash subsp. breviflora James A. Neilson Jr. 1971-6-30 2131 Placer Tahoe Basin, Ward Valley Drainage, Plot #132. 1920 Comment
  CAS-BOT-BC493372  Camassia quamash subsp. breviflora Alice Eastwood 1912-6-15 400 Placer Deer Park, Lake Tahoe Region Comment
  RSA0009457  Camassia quamash subsp. breviflora Marcus E. Jones 1902-6-27 s.n. Placer Placer County: Emigrant Gap Comment
  UCR250288  Campanula prenanthoides George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20801 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  SEINET10939005  Campanula prenanthoides Rimo Bacigalupi 1952-7-19 Bacigalupi 3863 Placer Near site of Monona Flat, ridge between Indian Creek and North Fork of the American River, about 2.5 miles east of Iowa Hill 991 Comment
  JEPS72041  Cardamine breweri Gladys L. Smith 1972-6-18 3143 Placer Alpine Meadows 2072 Comment
  SEINET5341056  Cardamine cordifolia A. Tiehm, E. McPherson 1974-1 522 Placer Juniper Creek. 2408 Comment
  CHSC74076  Cardamine cordifolia var. lyallii Susi Urie 1998-8-13 98 -037 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
  UC855781  Cardamine cordifolia var. lyallii Alice Eastwood 1909-1 243 Placer Deer Park Lake Tahoe Region, Deer Park Comment
  RSA794005  Cardamine pensylvanica George K. Helmkamp, E. A. Helmkamp 2012-2-23 18576 Placer Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  CDA3740  Cardaria pubescens T. C. Fuller 1964-9-1 12570 Placer Sierra Nevada; Sierra Nevada. N side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  UCD43085  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 453 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44540  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1906 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD162533  Carex abrupta Steve Matson 1997-7-17 100 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork snow creek; 'big pine' meadow. 1908 Comment
  CHSC74283  Carex angustata Susi Urie 1998-8-25 98 -099 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CDA13691  Carex athrostachya G. F. Hrusa, J. Glazner 1997-8-3 14051 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Perennial on periphery of main meadow. Lightly shaded, probably seasonally moist areas. Comment
  CDA15662  Carex athrostachya G. F. Hrusa, J. Glazner 1999-7-18 15204 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC74285  Carex athrostachya Susi Urie 1998-9-1 98 -177 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  NY11068  Carex davyi J. B. Davy 1897-6-25 3266 Placer Truckee River Comment
  POM80902  Carex exserta Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  CAS-BOT-BC20109  Carex feta Saichi Kawahara 1969-5-25 888 Placer Mel Henderson Ranch, Indian Creek. North of old cabin. 999 Comment
  SEINET5807682 Image available Carex globosa Marcus E. Jones 1882-1 3307 Placer Emigrant Gap Comment
  CHSC68059  Carex hoodii James D. Jokerst 1986-7-12 2692 A Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  POM81546  Carex hoodii Marcus E. Jones 1882-6-28 3532 Placer Emigrant Gap. Comment
  CHSC84724  Carex infirminervia L. P. Janeway; B. Castro 2003-8-23 7964 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
  UCD149414  Carex integra G. Ledyard Stebbins 1976-7-6 7692 c Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET5332347 Image available Carex integra A. A. Heller 2009-7-16 9841 Placer Summit 2134 Comment
  CHSC74449  Carex jonesii Susi Urie; Eric Schroder 1998-9-9 98 -313 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCD43323  Carex jonesii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 691 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD42832  Carex leporinella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 198 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  OBI49281  Carex luzulifolia Unknown 1882-6-29 2907 Placer Emigrant Gap Comment
  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
  CAS-BOT-BC31625  Carex luzulina var. luzulina Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  UCD42934  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 303 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD75690  Carex multicostata Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5139 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CHSC74299  Carex nebrascensis Susi Urie 1998-9-3 98 -235 Placer Lake Tahoe Basin. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  SEINET7568687 Image available Carex nebrascensis L. P. Janeway 2004-8-18 8247 Placer Homewood 7.5' quad. Northern High Sierra Nevada, between Blackwood Canyon Road and Blackwood Creek 2.7 km west from Hwy 89 and west shore of Lake Tahoe. 1945 Comment
  CDA16984  Carex pellita G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16037 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC69929  Carex pellita L. P. Janeway; Eric Schroder 1997-7-17 5244 Placer Tahoe National Forest. Meadow on southeast side of Fulda Creek at Forest Service Or-ganizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  CAS-BOT-BC118341  Carex praegracilis Bolander 4549 Placer Meadows near Auburn Comment
  UC809  Carex praegracilis H. N. Bolander 1865-4-11 4550 Placer near Auburn Comment
  JEPS73171  Carex proposita Gladys L. Smith 1972-8-25 3404 Placer e-facing slope between Shirley chairlift and Watson Memorial (tr. to Granite Chief) 2529 Comment
  CAS-BOT-BC118612  Carex raynoldsii Edward W. Colson 1976-7-6 8719 Placer Lake Van Norden 2063 Comment
  CHSC74307  Carex simulata Susi Urie 1998-9-2 98 -202 Placer Lake Tahoe Basin Management Unit. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  RSA35101  Carex simulata J. T. Howell 1943-7-22 18696 Placer Summit Valley. Comment
  UCSB63802  Carex simulata Janeway, L.; Schroder, Eric; Murrell, Katherine 1998-7-15 Placer T14N, R16E, NW1/4 of NW1/4 of sec. 35; Homewood quad.: north side of Blackwood Creek; 1.7 mi. west of Lake Tahoe 1938 Comment
  UCD42989  Carex spectabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 358 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC116993  Carex straminiformis John Thomas Howell 1943-7-21 18667 Placer Mt. Lincoln Comment
  CAS-BOT-BC116556  Carex subfusca Peter H. Raven 1956-8-4 10000 Placer Moist hillside 1 mi from Blue Canyon on road to Emigrant Gap. Comment
  CHSC73339  Carex subfusca L. P. Janeway; Eric Schroder 1998-9-16 6337 Placer Lake Tahoe Basin Management Unit. Small 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
  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
  UC1729954  Carex subfusca L. P. Janeway, Eric Schroder 1998-9-16 6337 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek); Homewood Quadrangle 2124 Comment
  UCD42867  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 234 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43330  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 698 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC74315  Carex utriculata Susi Urie 1998-9-3 98 -225 Placer Lake Tahoe Basin Management Unit. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UCD162535  Carex utriculata Steve Matson 2002-8-17 697 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 Comment
  UCD162536  Carex utriculata Steve Matson 2002-7-21 609 Placer nSNH; Truckee River region; Pole Creek near Squaw Valley. 1950 Comment
  UCR219486  Carex utriculata Angela Calderaro 2009-7-8 s.n. Placer Sierra Nevada Mtns., Truckee, near Donner Creek, SE of the intersection of Cosdstream Rd. and Deerfield Dr. 1803 Comment
  CAS-BOT-BC115397  Carex utriculata J. Burtt Davy 1897-6-25 3270 Placer Meadows near Truckee River, Truckee River Basin. Comment
  CDA13676  Carex vesicaria G. F. Hrusa, J. Glazner 1997-8-3 14036 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC74316  Carex vesicaria Susi Urie 1998-9-4 98 -263 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  JEPS63633  Carex vesicaria W. L. Jepson 1918-7-30 7735 Placer near Tahoe City; Lake Tahoe 1920 Comment
  UC1256291  Carex whitneyi R. K. Gierisch 1969-7-11 3523 Placer Big Bend Tahoe Forest Comment
  UCD21863  Castilleja Rex Palmer 1979-7-11 N 573 Placer Exact location unknown. Comment
  RSA0027944  Castilleja John F. Emmel 1992-7-2 1229 Placer Carson Range ESE of Truckee; ridge 1.0 air mile south and 1.6 air mile east of Martis Peak. 2733 Comment
  SCFS1147  Castilleja E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  CAS-BOT-BC249082  Castilleja affinis Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4011 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  SCFS5112  Castilleja applegatei F. Felix, Erica Krimmel 2013-5-19 9 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  CAS-BOT-BC249702  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-6-15 359 Placer Deer Park, Lake Tahoe Region 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
  UC1713294  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner 2133 Comment
  SEINET3245842  Castilleja foliolosa G. K. Helmkamp, E. A. Helmkamp 2007-1 11715 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road at the junction with the unnamed road to Lake Clementine. 457 Comment
  UCR173771  Castilleja foliolosa George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10717 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
  UC1586063  Castilleja lacera Barbara Ertter with David Thompson 1989-4-8 8153 Placer near Auburn State Recreation Area entrance (at creek crossing, Iowa Creek Road, ca 2 mi from I-80) 518 Comment
Read comments
Jan 26 2015
  UC41911  Castilleja lacera Mrs. M. M. Hardy 1893-1 Placer Emigrant Gap Comment
  JEPS9828  Castilleja miniata W. L. Jepson 1918-7-30 7732 Placer Tahoe; Lake Tahoe 1920 Comment
  UC1713509  Castilleja miniata Katharine Brandegee Placer Cisco Comment
  UC198557  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  CDA16053  Castilleja miniata subsp. miniata G. F. Hrusa, J. Glazner 2000-9-3 15660 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CDA16803  Castilleja miniata subsp. miniata G. F. Hrusa, J. Glazner 2001-7-15 15942 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2316 Comment
  CHSC74269  Castilleja miniata subsp. miniata Susi Urie 1998-8-29 98 -152 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74270  Castilleja miniata subsp. miniata Susi Urie 1998-9-2 98 -209 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCD44516  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1882 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44552  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1918 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD162555  Castilleja pilosa Steve Matson 1998-6-14 242 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 300 meters north of Highway 267, west of vernal pools in old gravel depression. 1780 Comment
  UCD162560  Castilleja tenuis Steve Matson 1999-7-28 354 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dry meadow east of main bog. 1920 Comment
  SEINET14173337  Castilleja tenuis F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  CAS-BOT-BC47795  Ceanothus Baki Kasapligil 1974-10-6 4913 Placer Soda Springs, Sugar Bowl 1828 Comment
  CAS-BOT-BC47797  Ceanothus Beecher Crampton 1973-10-2 9021 Placer 1 mile east of Baxter 1280 Comment
  SEINET5339319  Ceanothus W. D. Billings 1940-5-18 1307 Placer Opening in undistrubed pine woods. Gold run. Comment
  CAS-BOT-BC47861  Ceanothus cordulatus J. T. Howell 1929-10-5 s.n. Placer Lake Tahoe Region - Ridge between Emerald Bay and Cascade lake near highway. Comment
  JEPS127521  Ceanothus cordulatus Steve Matson 1998-6-24 286 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave., under power lines. Comment
  JEPS42224  Ceanothus cordulatus W. L. Jepson 1918-7-30 7725 Placer Tahoe Lake Tahoe 1920 Comment
  SACT002893  Ceanothus cordulatus James Grove 1977-7-15 Placer 2000.0 Comment
  UC18249  Ceanothus cordulatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3248 Placer near Tahoe (along Truckee River); Truckee River Basin Comment
  UC496450  Ceanothus cordulatus Merle Randall 1930-6-26 Placer 3/8 mi from top Hawley Grade; Lake Tahoe Region 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
  UCD22205  Ceanothus cordulatus Rex Palmer 1979-5-26 N 14 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  SEINET5339255  Ceanothus cuneatus P. A. Lehenbauer 1931-4-22 1548 Placer Above Carnelian Bay, Lake Tahoe Comment
  SEINET5339271  Ceanothus cuneatus D. G. Cooney 1960-4-17 34 Placer Emigrant Gap 914 Comment
  JEPS26853  Ceanothus fresnensis L. S. Smith 1931-8-27 2631 Placer near French Meadow (on divide betw Middle Fork American River and Long Canyon) 1981 Comment
  UCD22201  Ceanothus fresnensis Rex Palmer 1979-5-26 N 19 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD22203  Ceanothus fresnensis Rex Palmer 1979-6-9 N 143 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC50763  Ceanothus integerrimus Brandegee 1889-7-1 26 Placer Alta Comment
  LA43607  Ceanothus integerrimus C. L. Hitchcock; 1940-5-7 6354 Placer ca. 1 mi. W of Baxter Comment
  SACT002924  Ceanothus integerrimus Michael Baad 1977-4-13 Placer 0.8 mile north of PLacer Hills Road on Milk Ranch Road leading to Bear River Camp. High road bank to the east of road, sunny slope. Comment
  SACT002926  Ceanothus integerrimus Michael Baad 1983-4-9 Placer Collected along roadside. 0.2 mile south from Auburn-ForestHill Highway. 6 miles east of bridge over American River, south-facing slope. Comment
  SD241942  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15900 Placer Siera Nevada Mountains Foothills: Rattleshake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 308 Comment
  UC870581  Ceanothus integerrimus C. L. Hitchcock 1940-5-7 6336 Placer 1 mi w Baxter Comment
  UCD21954  Ceanothus integerrimus Brian Vanden Heuvel 2002-7-3 159 Placer Tahoe National Forest. 1.2 road miles WSW of Foresthill on Forest Service Road 96. Large population on north side of road on steep hillside. Comment
  UCR146864  Ceanothus integerrimus Beecher Crampton 1973-10-2 9021 Placer Sierra Nevada Mountains, 1 mile east of Baxter 1280 Comment
  CAS-BOT-BC50761  Ceanothus integerrimus Eleanor C. Still 1964-5-14 s.n. Placer Near the American River Comment
  SBBG26946  Ceanothus lemmonii C. L. Hitchcock 1927-5-7 6327 Placer ca. 1 mi W of Baxter Comment
  UCD112644  Ceanothus prostratus Eric Brenner; John Hunter 1996-5-26 014 Placer Big Trees, Mosquito Ridge Rd, Tahoe National Forest. 1740 Comment
  POM85944  Ceanothus tomentosus Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  SBBG4594  Ceanothus velutinus var. velutinus E. R. Blakley 1960-8-29 3790 Placer Carnelian Bay, Lake Tahoe 1950 Comment
  CDA32782  Centaurea diffusa Robin Breckenridge 2009-8-18 PDR# 1313573 Placer In the vicinity of Cisco Grove, in eastbound I-80 center divide, near the Cisco Grove exit. 0 Comment
  UCR233370  Centaurea maculosa George K. Helmkamp, E. A. Helmkamp 2011-8-26 18159 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
  CDA7271  Centaurea maculosa T. C. Fuller 1965-8-1 13944 Placer Sierra Nevada; Sierra Nevada. South side of the westbound lanes of Interstate 80 freeway, 0.1 mile east of Blue Canyon Road. Comment
  JEPS44132  Centaurea melitensis W. H. Shockley Jun 1886 Placer Auburn 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
  UCD63136  Centaurea stoebe subsp. micranthos A. M. Shapiro 2007-8-17 s.n. Placer Nyack. 1609 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
  SDSU7110  Centaurium tenuiflorum D. F. Howe 1961-8-8 3137 Placer By canal 4 miles north of Auburn. 457 Comment
  UC88950  Centromadia fitchii Mrs. K. Curran 1888-9-1 Placer Dutch Flat Comment
  CAS-BOT-BC288617  Centromadia fitchii L. R. Abrams 1917-9-15 6756 Placer 3-5 miles above Auburn Comment
  CAS-BOT-BC288622  Centromadia fitchii John Thomas Howell 1929-10-4 4428 Placer On road to Colfax 1.5 miles from Auburn Comment
  CAS-BOT-BC222947  Cephalanthus occidentalis Carl B. Wolf 1930-10-11 1734 Placer Along Auburn Ravine, 2 miles below Auburn 365 Comment
  CAS-BOT-BC388352  Cerastium glomeratum Alice Eastwood 1912-6-15 448 Placer Tahoe City, Lake Tahoe Region Comment
  NY803929  Cerasus kelloggiana M. E. Jones 1882-5-28 2693 Placer Emigrant Gap. Comment
  UC863548  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  UCD75744  Chaenactis douglasii Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5208 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
  SEINET11826500  Chaenactis douglasii Unknown 1972-1 s.n. Placer French Meadows 1524 Comment
  CHSC79667  Chaenactis douglasii var. douglasii G. F. Hrusa; J. Glazner 1999-5-1 15187 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CHSC83215  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
  UC163942  Chaenactis douglasii var. douglasii W. B. Cooke 1910-6-22 2170 Placer Deer Park Sierra Nevada; Deer Park, Sierra Nevada, Placer Co. 1970 Comment
  SEINET9341069  Chaenactis douglasii var. douglasii Unknown 1967-9-3 6790 Placer Placer Comment
  SEINET7067126  Chaenactis glabriuscula A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  UCR142916  Chaenactis glabriuscula var. heterocarpha C. L. Hitchcock 1940-5-15 6405 Placer Sierra Nevada Foothills, 6 miles north of Colfax 762 Comment
  CAS-BOT-BC26223  Chaenactis rubricaulis Harriet Ann Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada, Upper Transition Zone 1970 Comment
  CAS-BOT-BC141722  Chamaebatia foliolosa Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CHSC75011  Chamaebatia foliolosa Alan B. Chan 1977-5-28 27 Placer Mosquito Ridge Road, 1.6 rd mi. SE of Auburn-Foresthill Road. Comment
  RSA189447  Chamaebatia foliolosa L. S. Rose 1967-6-14 67133 Placer Grass Valley, Condon Park. 732 Comment
  SBBG83434  Chamaebatia foliolosa N. Griffin 1975-5-24 18 Placer Spring Garden Rd and Auburn-Foresthill Rd intersection, 5 mi W of Foresthill Comment
  UC147578  Chamaebatia foliolosa Harriet A. Walker 1908-6-23 1225 Placer Blue Canyon 1432 Comment
  UCD112928  Chamaebatia foliolosa Beecher Crampton 1970-11-10 8653 Placer Nyack. 1524 Comment
  UCR246506  Chamaebatia foliolosa Gregory Brickner 1984-5-12 027 Placer off Forest Hill Road 5 mi east of Auburn 439 Comment
  UC570790  Chamaesyce maculata H. L. Mason 1929-10-4 5451 Placer 1.5 mi above Auburn Comment
  CDA4783  Chamaesyce nutans T. C. Fuller 1964-9-1 12566 Placer Sierra Nevada; North side of Auburn Avenue at Castle Street, Colfax. Comment
  CHSC82572  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2002-7-22 9886 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
  SBBG60190  Chamerion angustifolium unknown 1895-1 Placer American River Comment
  CAS-BOT-BC70193  Cheilanthes gracillima F. A. MacF. 1934-3-30 12534 Placer Dutch Flat Comment
  POM281060  Cheilanthes gracillima Lyman Benson 1933-6-26 4532 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UC1874972  Cheilanthes gracillima Ruth Kirkpatrick 2001-7-16 1064 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  UCD23228  Cheilanthes gracillima Beth Lowe Corbin 1982-8-9 287 Placer 2/3 mile southwest of Onion Creek campground. 1767 Comment
  UCD75755  Cheilanthes gracillima Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5223 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-BC451416  Chimaphila menziesii Ethel Hand; Harry Hand 1917-7-1 s.n. Placer Cisco Comment
  CAS-BOT-BC451470  Chimaphila umbellata Miss Ireland 1920-1-1 s.n. Placer Unspecified Comment
  SEINET7220243  Chimaphila umbellata P. Lehenbauer 1929-8-15 2579 Placer Carnelian Bay [North shore of Lake Tahoe] Comment
  RSA122823  Chimaphila umbellata subsp. occidentalis G. T. Nordstrom 1934-6-18 108 Placer North slope of Texas Hill. 1585 Comment
  UCR241740  Chondrilla juncea George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19814 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  CDA36758  Chondrilla juncea D. B. Joley 1976-4-22 14 Placer Loomis area. 0 Comment
  CDA37258  Chondrilla juncea CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  SEINET13331376 Image available Chondrilla juncea P. C. Martinelli, A. L. Rivers, R. Uriarte 1965-10-29 s.n. Placer Horseshoe Bar Road, Folsom Lake Comment
  CAS-BOT-BC249050  Chrysolepis sempervirens George K. Helmkamp; E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains: Deadwood Road, 1.2 miles south of its junction with Forest Hill Road 1564 Comment
  OBI14341  Chrysolepis sempervirens Robert F. Hoover 1967-9-5 10823 Placer Carnelian Bay, Lake Tahoe Comment
  SBBG1287  Chrysolepis sempervirens E. R. Blakley 1960-8-30 3797 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UCD21484  Chrysolepis sempervirens Beth Lowe Corbin 1982-8-3 200 Placer Located on hill west of Onion Creek Campground. 1853 Comment
  UCR231018  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16798 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  UCR201920  Chrysothamnus nauseosus subsp. albicaulis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14029 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  CAS-BOT-BC100782  Chrysothamnus viscidiflorus subsp. viscidiflorus C. F. Sonne 1884-9-14 143 Placer On road to Lake Tahoe near TollHouse Comment
  UCD130485  Cichorium intybus G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11208 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 1.0 mile north of Forest Hill. 1037 Comment
  UCD130486  Cichorium intybus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12949 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  CAS-BOT-BC190016  Cinna latifolia Bolander 1869-6-1 s.n. Placer Bear Valley Emigrant Station. Comment
  CAS-BOT-BC289615  Cirsium andersonii Alice Eastwood 1909-1-1 196 Placer Sunnyside, Lake Tahoe region Comment
  UCD21710  Cirsium andersonii Beth Lowe Corbin 1982-8-3 204 Placer Onion Creek campground. In fine, sandy, granitic soil. Disturbed area of White Fir forest. Biennial. Flowers dark rose purple. Mostly sun. SW facing slope. Many plants localized. 1841 Comment
  CAS-BOT-BC289614  Cirsium andersonii W. R. Dudley 1900-6-29 s.n. Placer South of Truckee River at Tahoe City Comment
  CDA1037  Cirsium andersonii Aurelio Posadas 1982-8-5 s.n. Placer Cold Creek, SW of Donner Lake, on Southern Pacific RR right-of-way. 0 Comment
  UCR193401  Cirsium occidentale var. californicum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12200 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  CAS-BOT-BC162648  Clarkia Peter H. Raven 1953-5-10 5490 Placer Road to Placerville 1.7 miles from Auburn in canyon of American River Comment
  POM260292  Clarkia arcuata C. L. Hitchcock 1940-5-15 6410 Placer 6 miles N of Colfax Comment
  UC930777  Clarkia biloba Alice Eastwood Jun 20 1912-Jun 22 1912 619 Placer Colfax Comment
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Sep 7 2010
  UCR218240  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16438 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  UCD104056  Clarkia dudleyana C. Condit 1933-7-15 s.n. Placer County Unknown: Grant's Park. Comment
  CHSC1106  Clarkia purpurea V. Holt 1942-6-12 Placer Near Lincoln. 30 Comment
  CAS-BOT-BC162495  Clarkia purpurea subsp. purpurea H. M. Hall 1917-5-9 10291 Placer Sacramento Valley, just above Lincoln Comment
  CDA37236  Clarkia purpurea subsp. quadrivulnera CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD104945  Clarkia purpurea subsp. quadrivulnera K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, about 10 miles E of Auburn, in the Sierra foothills. 500 Comment
  UCR173272  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10436 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  SCFS1222  Clarkia rhomboidea E. Krimmel, F. Felix 2014-6-26 Placer NFAm. Heath Falls Trail, Land of the Lost Comment
  UC147597  Clarkia rhomboidea Miss Harriet A. Walker 1908-6-24 1271 Placer Blue Canyon 1432 Comment
  POM250666  Clarkia rhomboidea Lincoln Constance 1938-6-8 2287 Placer 3 miles north of Nevada City, Sierra Nevada foothills 762 Comment
  JEPS43682  Clarkia unguiculata W. H. Shockley Jun 1886 Placer Auburn Comment
  CAS-BOT-BC451728  Claytonia lanceolata Dr. A. Kellogg 1870-6-23 s.n. Placer Cisco Comment
  CAS-BOT-BC451736  Claytonia lanceolata Betty H. Jorgensen 1944-6-24 490 Placer Cascade Lakes about 6 miles S.W. of Soda Springs Comment
  CDA12000  Claytonia lanceolata G. F. Hrusa 1995-5-2 12181 Placer Sierra Nevada; Near intersection of Mosquito Ridge Rd. and Jarvis Rd. on spur to Placer Redwood Grove. Comment
  RSA791745  Claytonia parviflora subsp. grandiflora George K. Helmkamp, E. A. Helmkamp 2012-5-5 18919 Placer Northern Sierra Nevada Mountains Foothills: Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air miles southest (123 degrees) of Clementine Dam on the American River. 396 Comment
  UCD14298  Claytonia parviflora subsp. parviflora Dan Cederquist 1984-5-22 14 Placer along the south side of Rollins Lake; 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
  UCR237458  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2012-2-23 18578 Placer Eastern edge Sacramento Valley, Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  UCD21865  Collinsia parviflora Rex Palmer 1979-6-20 N 344 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD123537  Collinsia tinctoria G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10713 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
  UCR218248  Collinsia tinctoria George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16434 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  POM263619  Collinsia torreyi L. S. Rose 1941-7-18 41320 Placer Chambers Lodge (McKinney), Lake Tahoe. 1900 Comment
  UCD42947  Collinsia torreyi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 316 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SCFS856  Collinsia torreyi E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, Top Meadow, as PCT heads down to Painted Rock. Comment
  UC885529  Collinsia torreyi var. wrightii Alice Eastwood Jun 15 1912-Jun 19 1912 431 Placer Lake Tahoe Region Comment
  RSA411136  Collomia grandiflora Fay A. MacFadden 1934-6-28 12711 Placer Dutch Flat Comment
  UCD21979  Collomia grandiflora Beth Lowe Corbin 1982-8-4 246 Placer 1 mile NE of Onion Creek campground. 1950 Comment
  CDA19532  Collomia heterophylla M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 256 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Foresthill Rd, ~ 3 mi E of Foresthill. 1066 Comment
  UCSB17514  Collomia heterophylla Hardham, Clare 1961-6-14 Placer Baxter; Rte. 40 Comment
  CHSC73060  Collomia linearis L. P. Janeway 1998-8-6 5969 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD169963  Collomia linearis S. Boshoven 1983-5-28 15 Placer Mosquito Ridge Road. 3.5 (5.5?) miles E of Forest Hill intersection. Comment
  POM74897  Collomia tinctoria Marcus E. Jones 1882-6-29 10086 Placer Emigrant Gap. Comment
  UCD21980  Collomia tinctoria Beth Lowe Corbin 1982-8-12 334 Placer 1/8 mile NE of Onion Creek campground. 1844 Comment
  HSC26671  Conyza canadensis Thomas W. Nelson 1972-11-25 707 Placer Beside Del Oro Rd., near Roseville, CA Comment
  JEPS126422  Conyza canadensis Steve Matson 2003-9-7 960 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on pond at mouth of West Fork Snow Creek near Highway 28. Comment
  SBBG58846  Corallorhiza maculata M. N. Ackley -Jun-1925 683 Placer Towle 1127 Comment
  UCD22692  Corallorhiza maculata Teresa Do 1990-5-19 15 Placer Butterfly Valley. 1097 Comment
  JEPS59469  Corallorhiza maculata Ezra Brainerd and Viola B. Baird July 5 - 27, 1915 207 Placer Truckee River Sierra Nevada Mts. 1920 Comment
  SCFS1122  Cordylanthus tenuis E. Krimmel, Michael Hamilton 2013-8-13 Placer NFAm. Dry meadows, Chickering Reserve. Comment
  JEPS6795  Cordylanthus tenuis subsp. tenuis W. L. Jepson 1918-8-20 8075 Placer Lake Tahoe Tahoe City 1905 Comment
  SEINET2441557  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5' Q.). 1662 Comment
  UCR231828  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16770 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  RSA523461  Cordylanthus tenuis subsp. tenuis L. R. Heckard, T. I. Chuang 1969-7-26 2332 Placer Just north of Lake Alta. 1067 Comment
  JEPS33630  Coreopsis stillmanii W. L. Jepson 1938-4-5 18583 Placer 2 mi e Placerville Rd; Auburn Comment
  POM146205  Cornus californica J. B. Feudge 1725 Placer W. of Immigrant Gap. 1524 Comment
  UC193323  Cornus nuttallii C. F. Sonne 1891-6-7 Placer ravine below Gold Run Comment
  UCR246505  Cornus nuttallii Martin J. Beran 1994-5-27 023 Placer Lang Crossing of Hwy 20, South Fork of Yuba River, 20 m from river along dirt road 1415 Comment
  CAS-BOT-BC212142  Cornus sericea E. R. Blakley 1960-9-4 3825 Placer Hill one mile north of Carnelian Bay, Lake Tahoe 2072 Comment
  UCD38474  Cornus sericea Beecher Crampton 1955-6-15 2866 Placer Head of Bunch Canyon, road to Forest Hill. 0.5 miles south US Hwy 40. Comment
  UCR191087  Cornus sericea subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2007-6-12 12320 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UC1122810  Cornus sericea subsp. sericea N. French 1933-9-14 99 Placer Greek Store Tahoe Nat'l Forest, Colfax Quad., Greek Store Comment
  UCR170809  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2005-9-30 9934 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  CAS-BOT-BC290351  Crepis acuminata Geo. B. Grant 1906-7-15 7020 Placer Tahoe Tavern, Lake Tahoe Comment
  SEINET9356486  Crepis modocensis Unknown 1999-7-17 15120 Placer Placer Comment
  JEPS111225  Crepis occidentalis Steve Matson 2005-7-3 1351 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), north of Highway 267 and west of Martis Creek. 39.3054 N, 120.1182 W; elevation 5835 ft. 1778 Comment
  UC895336  Crepis occidentalis Marcus E. Jones, A. M. 1882-6-30 2784 Placer Emigrant Gap Comment
  CAS-BOT-BC290734  Crepis occidentalis subsp. conjuncta Alice Eastwood 1912-6-15 460 Placer Tahoe City, Lake Tahoe Region Comment
  CAS-BOT-BC290735  Crepis occidentalis subsp. conjuncta Alice Eastwood 1909-1-1 251 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC383031  Crepis occidentalis subsp. conjuncta Marcus E. Jones 1882-6-30 2784 Placer Emigrant Gap Comment
  UC1063927  Cryptantha affinis B. Bolt 1934-7-17 127 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 Comment
  UC1178526  Cryptantha simulans Malcolm A. Nobs 1950-9-24 Placer e slopes Squaw Peak 1828 Comment
  CAS-BOT-BC68070  Cryptogramma acrostichoides G. W. Dunn 1895-9-14 s.n. Placer Summit Comment
  UC879491  Cuscuta californica P. A. Lebenbauer 1934-7-8 Placer Cisco 2133 Comment
  JEPS59470  Cuscuta californica Ezra Brainerd and Viola B. Baird 1915-7-25 211 Placer Deer Park Road Sierra Nevada Mts. 1920 Comment
  UCD126296  Cuscuta howelliana F. T. Griggs 1978-5-19 s.n. Placer 300 meters west of junction with Karchner Road, 1.7 miles east of Sheridan. Comment
  SJSU8216  Cuscuta howelliana J. T. Stanley & J. W. Willoughby 1978-10-17 Placer E of Industrial Ave between that & State Hwy 65, S of major E-W drainage c. 2.5 mi S of Lincoln 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
  SACT000827  Cynodon dactylon D. Meyer 1984-5-28 Placer Next to orchard. 206.0 Comment
  UCD163427  Cynodon dactylon Robert E. Preston 2015-6-15 3004 Placer 1.7 mi SE of Sheridan, 0.4 mi E of Old Hwy 65, 0.1 mi N of Yankee Slough. 31 Comment
  SACT000854  Cynosurus echinatus D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  SACT000856  Cynosurus echinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  CAS-BOT-BC198184  Cytisus scoparius M. F. Wojciechowski 2002-6-25 1000 Placer Roadside along US interstae highway I-80, near Dutch/Flat Gold Run exit. 944 Comment
  POM113017  Dactylis glomerata Marcus E. Jones 1882-5-27 s.n. Placer Emigrant Gap [county not indicated on specimen label] Comment
  SACT000864  Dactylis glomerata D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  SACT000866  Dactylis glomerata Michael Baad 1977-6-2 Placer Descending from the south of the trail. Riparian area adjacent to North Fork of American River. 853.0 Comment
  SACT000873  Dactylis glomerata D. Meyer 1983-7-16 Placer 1624.0 Comment
  UCD60282  Dactylis glomerata Collector unknown 1951-1 Placer Auburn Area. Comment
  SACT000877  Dactylis glomerata 1925-5-29 Placer No determiner/collector listed. Comment
  CHSC74336  Danthonia californica var. americana Susi Urie 1998-9-4 98 -250 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UCD32808  Danthonia californica var. americana Beecher Crampton 1964-7-21 7118 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. Comment
  UCD36707  Danthonia californica var. americana Beecher Crampton 1955-7-13 2990 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD22244  Danthonia unispicata Beth Lowe Corbin 1982-8-4 222 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 15% inclination. Uncommon, about 25 individuals. Full sun. Opening in montane chaparral, in rocky, fine, sandy soil. Perennial, forming small bunches. 1950 Comment
  UCD61351  Danthonia unispicata Beecher Crampton 1964-7-21 7116 Placer 1/2 mile WNW of Cisco Grove, U.S. Hwy. 40. 1706 Comment
  UC147566  Darmera peltata Harriet A. Walker 1908-6-24 1256 Placer Blue Canyon 1432 Comment
  UCR249604  Daucus carota George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20825 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  CAS-BOT-BC173277  Delphinium Saichi Kawahara 1969-5-24 876 Placer East of cabin near mine shaft, Mel Henderson Ranch, east bank of Indian Creek 1002 Comment
  CAS-BOT-BC8825  Delphinium gracilentum Miss Francis Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC177350  Delphinium nuttallianum G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12060 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 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
  UCD22182  Delphinium nuttallianum Rex Palmer 1979-6-21 N 364 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD96118  Delphinium nuttallianum A. A. Heller 1917-6-17 12700 Placer Near the Yuba river below Cisco. Comment
  UCD96146  Delphinium nuttallianum G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12060 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 Comment
  LA207588  Delphinium variegatum Carl B. Wolf; 1937-5-12 8612 Placer Sacramento Valley, 1 mi. N of Lincoln 45 Comment
  SEINET268904  Delphinium variegatum K. L. Chambers, C. L. Carlbom 1962-4-22 2128 Placer Hwy. 65 between Roseville and Lincoln 1.4 mi north of the railroad overpass north of Roseville. Comment
  CHSC1464  Delphinium variegatum subsp. variegatum 1914-4-1 Placer Near Lincoln. Comment
  UC467786  Delphinium variegatum subsp. variegatum Francis Ramaley 1917-4-24 11141 Placer wooded hills Auburn Comment
  CAS-BOT-BC82863  Dendromecon rigida Noel F. Sommer 1954-5-19 98 Placer Beside U.S. Highway 40, 2.1 miles east of Colfax. 914 Comment
  UC112865  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer Magra R. R. Station Comment
  UCD15609  Dendromecon rigida Lisa Montany 1985-5-18 28 Placer Mosquito Ridge Rd, 14.3 miles west of Forest Hill Rd. Comment
  UCD95155  Dendromecon rigida Rolf Y. Berg 1963-7-22 s.n. Placer On roadsides, U.S. Highway 40, ca. 2 miles above Colfax. 762 Comment
  SACT000903  Deschampsia cespitosa D. Meyer 1984-7-21 Placer Moist roadside ditch and pine wooded area dense shade. 1927.0 Comment
  UCD43877  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1243 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD61255  Deschampsia cespitosa Peter H. Raven 1949-6-30 1104 Placer Wet edges of Lake Van Norden, Summit Valley. 609 Comment
  UCD75729  Deschampsia cespitosa Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5168 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
  UCSB46173  Deschampsia danthonioides Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  SACT000918  Deschampsia danthonioides Josephine Van Ess 1976-3-31 Placer Dried up vernally wet roadside. Comment
  CHSC73367  Deschampsia elongata L. P. Janeway; Eric Schroder 1998-9-16 6339 Placer Lake Tahoe Basin-National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  RSA126942  Deschampsia elongata H. S. Yates 1936-8-9 5986 Placer 2 miles S.W. of Martis Peak; Truckee 2287 Comment
  SACT000931  Deschampsia elongata Michael Baad 1983-8-21 Placer On road from Soda Springs to lakes. 2.2 miles south-west of I80 exit to Soda Springs. 2019.0 Comment
  SACT000947  Deschampsia elongata D. Meyer 1984-7-15 Placer Moist Mountain meadow. 1909.0 Comment
  CDA12419  Descurainia incana G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8547 ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS71541  Descurainia incana Gladys L. Smith 1972-6-20 3245 Placer 20 ft below Ward Peak summit peak; Ward Peak 2628 Comment
  UC855978  Descurainia incisa subsp. incisa A. A. Heller 1917-8-13 12911 Placer near Summit hotel 2133 Comment
  CAS-BOT-BC43029  Descurainia incisa subsp. incisa Peter Rubtzoff 1976-9-19 8877 Placer Sierra Nevada. Lake Van Norden. 2063 Comment
  UC525851  Dicentra formosa Miss E. E. Morse 1934-5-4 Placer Towle Comment
  UCD15659  Dicentra formosa Jessica Le 1989-6-3 18 Placer Off 174 freeway from Colfax city. 609 Comment
  CAS-BOT-BC402445  Dicentra formosa subsp. formosa R. K. Wellman 1981-5-15 033 Placer Emmigrant [Emigrant] Gap Rd. off Highway 80 in Placer City city limits 1219 Comment
  JEPS72354  Dicentra uniflora Gladys L. Smith 1972-6-18 3164 Placer Alpine Meadows 2072 Comment
  RSA677156  Dichanthelium acuminatum Beecher Crampton 1975-9-9 9279 Placer Gold Run rest area on Hwy 80 915 Comment
  SEINET239024 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1972-7-26 8863 Placer Gold Run rest stop along Interstate 80. 914 Comment
  CHSC24733  Dichelostemma capitatum subsp. capitatum T. C. English 1976-4-11 18 Placer Scattered N. Fork American River 2 mi. W. Hwy 49 bridge, 300 yds. N . Abandoned R. R. 335 Comment
  UCD139197  Dichelostemma capitatum subsp. capitatum Craig P. Martz 1982-3-26 38 Placer west side of Sierra College Blvd., 1.1 miles south of English Colony Rd. intersection. 170 Comment
  SEINET8472352  Dichelostemma capitatum subsp. capitatum R. Adamson, M. Martin 1964-3-21 s.n. Placer Along the American River, ca 4 miles S of Auburn. 457 Comment
  UCD164648  Dichelostemma congestum Brandi Sorensen 1995-5-12 5 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  POM109908  Dichelostemma multiflorum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC502639  Dichelostemma multiflorum Marcus E. A M Jones 1882-6-30 3514 Placer Emirgrant Gap Comment
  CAS-BOT-BC502643  Dichelostemma multiflorum R. Halliday; Wayne Roderick 1967-6-10 s.n. Placer North edge of Auburn 365 Comment
  SEINET3243525  Dichelostemma multiflorum Charles T. Mason Jr. 1948-1 1192 Placer West side of Southern Pacific Railroad track, along highway 99E, near Whintey Station 3 miles south of Lincoln. Comment
  SEINET8476780  Dichelostemma multiflorum W. Roderick, R. Hallida 1967-6-10 s.n. Placer N edge of Auburn. 366 Comment
  UC203707  Dichelostemma volubile C. F. Sonne May 1891 Placer near Auburn Comment
  CAS-BOT-BC153787  Diplacus angustatus Alice Eastwood; John Thomas Howell 1937-5-8 4333 Placer Near Auburn on road to Grass Valley Comment
  CHSC37352  Diplacus kelloggii Michael P. Crivello 1979-4-11 Placer 2.5 mi nne Auburn at confluence of North and Middle forks of the Americal River. 274 Comment
  CAS-BOT-BC151673  Diplacus torreyi G. K. Helmkamp; E. A. Helmkamp 2009-8-12 15425 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill, Duncan Peak 7.5' Q. 1661 Comment
  CAS-BOT-BC257791  Diplacus torreyi George K. Helmkamp; E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  SBBG25479  Diplacus torreyi C. B. Hardham 1961-6-14 7356 Placer Baxter, US Hwy 40 1066 Comment
  CAS-BOT-BC151681  Diplacus torreyi Clare B. Hardham 1961-6-14 7356 Placer Baxter, Rte 40 - Sierra Nevada Mountains 1066 Comment
  RSA300475  Disporum hookeri var. hookeri John Dourley, Walter Wisura 1982-10-13 3857 Placer 1.7 mi SW of Emigrant Gap along forestry rd. 19 1524 Comment
  RSA789880  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-11-28 18480 Placer Along Placer CA-193 (Lincoln-Newcastle Hwy), 2.0 miles east of East Street in Lincoln, near Stagecoach Ln. 125 Comment
  UCD53912  Dittrichia graveolens A. M. Shapiro 2004-11-1 s.n. Placer Colfax, construction site opposite 148 Whitcomb St. Comment
  JEPS59474  Dodecatheon alpinum Ezra Brainerd and Viola B. Baird 1915-7-4 216 Placer along brook Deer Park Sierra Nevada Mts., Deer Park 1920 Comment
  SEINET8561728  Dodecatheon hansenii J. Elder 1961-3-18 s.n. Placer 5 miles SE of Auburn. 366 Comment
  UC1562607  Dodecatheon hendersonii Barbara Ertter with David Thompson 1989-4-9 8184 Placer ca 4 air mi w Foresthill (Spring Garden Road 0.8 mi ne of Forestville-Auburn Road); w of Foresthill 670 Comment
  SEINET8561859  Dodecatheon hendersonii M. J. Williams 1969-4-2 s.n. Placer Near Placerville, above Greenstone Lane. Comment
  UCD55089  Downingia bicornuta D. B. Marcum 1969-4-26 68 Placer End of Road 5005. 12 Comment
  JEPS14478  Downingia cuspidata R. E. Arp 1932-4-18 7 Placer Roseville Comment
  OBI20963  Downingia ornatissima Carl B. Wolf 1937-5-12 8615 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  RSA516594  Downingia ornatissima var. eximia R. C. Bacigalupi, G. Thomas Robbins, Francia Chisaki 1956-4-20 5629 Placer Along Antelope-Roseville road, at Sacramento-Placer Co. line. 43 Comment
  JEPS14406  Downingia ornatissima var. ornatissima R. E. Arp 1932-4-28 5 Placer Roseville Comment
  UCR198528  Downingia ornatissima var. ornatissima George K. Helmkamp, E. A. Helmkamp 2008-4-17 13282 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  JEPS108471  Downingia ornatissima var. ornatissima Lisa Schultheis 1995-4-22 41 -95 Placer Lincoln antennae site, MacClelland AFB. North of Sacramento, north of Moore Rd., west of Dowd Rd. Comment
  JEPS43776  Downingia ornatissima var. ornatissima Lynn Gould 1962-4-17 54 Placer 6 mi w Roseville (on P.F.E. Road) Comment
  JEPS126416  Draba verna Steve Matson 2004-4-14 1027 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
  POM73945  Draperia systyla Marcus E. Jones 1882-6-29 2815 Placer Emigrant Gap. Comment
  CAS-BOT-BC401541  Drosera rotundifolia C. F. Sonne 1886-8-8 107 Placer Sierra Nevada Mts. Canyon above Coldstream Comment
  SD257951  Dudleya cymosa Russel Hopper 1975-5-24 54 Placer 1.0 mile east of junction of State Highways 49 and 195 on Highway 49. 669 Comment
  UCSC000350  Dudleya cymosa W. W. Mackie 1904-5-4 s.n. Placer near Newcastle Comment
  CAS-BOT-BC113793  Dulichium arundinaceum George Ledyard Stebbins 1969-7-20 6946 Placer Sailor Meadow, S of North Fork, American River. Comment
  UCD98834  Dysphania pumilio A. M. Shapiro 1987-10-16 s.n. Placer Southern Pacific Right-of-way. 2103 Comment
  SACT001035  Echinochloa colona D. Meyer 1984-8-19 Placer 6.4 km north of I80. 103.0 Comment
  SEINET245838 Image available Echinochloa crus-galli Beecher Crampton 1965-9-13 7497 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCD60811  Echinochloa crus-galli Beecher Crampton 1975-9-9 9282 Placer Along Interstate Hwy. 80 W, Alta. 1188 Comment
  CHSC74019  Eleocharis bella Susi Urie 1998-8-19 98 -083 Placer Lake Tahoe Basin Management Unit. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS102553  Eleocharis engelmannii Lowell Ahart 2001-10-10 9352 Placer French Meadows Reservoir, ca 1/4 mile NE of the boat or trail access area on the NW side of the reservoir, ca 3/4 mile SW of the bridge across the Middle Fork of the American River, ca 1 3/4 miles SW of Ahart Camp, ca 22 miles (air) NE of Forest Hill. 1591 Comment
  CAS-BOT-BC113159  Eleocharis palustris John Thomas Howell 1943-7-19 18565 Placer Summit Valley Comment
  CHSC74723  Eleocharis palustris Susi Urie 1998-8-26 98 -110 Placer Lake Tahoe Basin Management Unit. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD132727  Elodea bifoliata Ramona Robison 2012-6-21 s.n. Placer Auburn State Recreation Area, along banks of Lake Clementine. 219 Comment
  CAS-BOT-BC203870  Elymus X hansenii A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax 762 Comment
  SACT001059  Elymus caput-medusae Josephine Van Ess 1975-5-23 Placer Grassy slope ot base of Volcano Hill in pasture. 915.0 Comment
  SD257132  Elymus caput-medusae George K. Helmkamp, Amy Barnes 2014-3-21 22637 Placer Sacremento Valley: Riosa Road at the east side of its junction with CA-65, just west of Sheridan (Sheridan 7.5'Q) 32 Comment
  CAS-BOT-BC227593  Elymus elymoides Saichi Kawahara 1969-7-19 1524 Placer South side of Highway 80, 1 mile west of Blue Canyon turnoff 1524 Comment
  SACT001069  Elymus elymoides J. Sitts 1983-8-11 Placer Above tree line. Comment
  UCR240706  Elymus elymoides subsp. californicus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19227 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  OBI20157  Elymus glaucus David J. Keil 1978-7-23 12924 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  SACT001078  Elymus glaucus D. Meyer 1984-6-7 Placer 667.0 Comment
  SACT001090  Elymus glaucus D. Meyer 1983-8-20 Placer Moist roadside meadow with some vegetation after residential construction. 2000.0 Comment
  SACT001092  Elymus glaucus D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT001102  Elymus glaucus Michael Baad 1976-6-17 Placer Royal Gorge-Wobena Creek to Wildcat Canyon. Collected in flood plain. Comment
  SACT001111  Elymus glaucus Josephine Van Ess 1977-4-27 Placer Collected at base of huge rocky cliff at intersection with Ophir Road. Moist ditch. 289.0 Comment
  SACT001140  Elymus glaucus D. Meyer 1984-6-23 Placer 17.12 km from I80 Frontage Road, dry roadside. 978.0 Comment
  UCD37043  Elymus glaucus Beecher Crampton 1956-7-17 3724 Placer Placer County, Blue Canyon. 1432 Comment
  UCD61795  Elymus glaucus Beecher Crampton 1956-7-17 3724 Placer Railroad embankment, Blue Canyon. 1432 Comment
  UCD61822  Elymus glaucus Beecher Crampton 1961-9-27 6006 Placer 1 mile west of Cisco Grove. 1706 Comment
  SEINET3821619 Image available Elymus glaucus subsp. glaucus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17863 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi NE (65 degrees) of Emigrant Gap (Blue Canyon 7.5' Q) 1590 Comment
  UCD36673  Elymus glaucus subsp. glaucus Beecher Crampton 1955-6-15 2911 Placer Placer County, 0.5 mile north of Forest Hill, on road to Yankee Jims. 975 Comment
  UCR240900  Elymus glaucus subsp. glaucus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19213 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  CHSC73265  Elymus glaucus subsp. jepsonii L. P. Janeway 1998-8-6 5974 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SACT001138  Elymus glaucus subsp. jepsonii D. Meyer 1984-6-23 Placer Along Placer County-Nevada County line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  SEINET12747696  Elymus glaucus var. glaucus W. D. Billings 1940-5-18 1303 Placer Gold Run. Comment
  RSA463240  Epilobium angustifolium subsp. circumvagum J. H. Nishida 1985-7-10 779 Placer Homewood. 1829 Comment
  CHSC9526  Epilobium brachycarpum J. F. Goodwin 1971-7-11 166 Placer 20 ft. south of Hwy. 267 in meadow, 7.3 mi. east of Truckee. 2103 Comment
  UCD21991  Epilobium brachycarpum Beth Lowe Corbin 1982-8-3 203 Placer Onion Creek campground. 1841 Comment
  UCR190156  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-8-1 12644 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR190705  Epilobium canum subsp. latifolium George K. Helmkamp, E. A. Helmkamp 2007-9-14 12967 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 15 miles east of Foresthill 832 Comment
  CAS-BOT-BC539340  Epilobium ciliatum subsp. ciliatum James A. Neilson, Jr. 1970-7-18 1563 Placer Tahoe Basin, 2 mi NE of Tahoe City [exact location unknown] 1920 Comment
  CHSC74237  Epilobium ciliatum subsp. ciliatum Susi Urie; Eric Schroder 1998-9-11 98 -337 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD44585  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1951 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SEINET6635785 Image available Epilobium ciliatum subsp. glandulosum A. A. Heller 1919-7-25 13304 a Placer near Yuba River below Cisco 1676 Comment
  UCD44519  Epilobium ciliatum subsp. glandulosum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1885 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA25021  Epilobium densiflorum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Moist area betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD150585  Epilobium glaberrimum James A. Neilson Jr. 1972-8-8 2688 Placer Tahoe Basin, Ward Creek, lower meadow approximately 300 yards above the big meadow, ca. 2 miles southeast of Tahoe City. 1905 Comment
  UCD21995  Epilobium glaberrimum Beth Lowe Corbin 1982-8-5 248 Placer Onion Creek campground. In wet soil along stream's edge. Flowers rose pink, petals bilobed. Full sun. SW facing slope, 15% incline. Occasional. 1841 Comment
  JEPS59478  Epilobium glaberrimum subsp. glaberrimum Ezra Brainerd and Viola B. Baird 1915-7-22 220 Placer bog opposite Walter's (ne side of road and Truckee River); Sierra Nevada Mts. 1905 Comment
  SD102800  Epilobium lactiflorum Darley F. Howe 1978-7-14 Placer Along state highway 20, 29 miles west of Truckee. 1646 Comment
  JEPS127411  Epilobium oregonense Steve Matson 2002-7-2 550 Placer Tahoe North Shore, Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek. Comment
  CAS-BOT-BC56952  Equisetum arvense Geo. B. Grant 1906-7-15 6981 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  SBBG192  Equisetum hyemale E. R. Blakley 1960-9-3 3821 Placer Kings Beach, Lake Tahoe 1905 Comment
  UCD44639  Equisetum laevigatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2005 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD135717  Equisetum telmateia subsp. braunii Cree Morgan 1992-6-12 8 Placer .5 mi east. Near railroad. 975 Comment
  JEPS115070  Eragrostis Lowell Ahart 2007-11-13 14599 Placer East side of a shallow ditch, on the west side of Camp Far West Road, at the north edge of the town of Sheridan 35 Comment
  UCD169281  Eragrostis Lowell Ahart 2007-11-13 14599 Placer At the north edge of the town of Sheridan. On the west side of Camp Far West Road, east side of a shallow ditch. 35 Comment
  UCD36476  Eragrostis pilosa Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  CAS-BOT-BC174192  Eremogone congesta var. congesta Dr. Kellogg s.n. Placer Cisco Comment
  RSA0057639  Eremogone congesta var. suffrutescens Marcus E. Jones 1882-6-28 3278 Placer Emigrant Gap. Comment
  UCD22162  Eremogone kingii var. glabrescens Beth Lowe Corbin 1982-8-4 239 Placer 1 1/2 mile NNW of Onion Creek Camground. E facing slope, 40% inclination. Uncommon. Full sun. Subalpine talus slope. Plant forming loose mat. Flowers white. 2286 Comment
  JEPS71601  Ericameria bloomeri Gladys L. Smith 1972-8-25 3421 Placer Granite Chief Comment
  UC2046012  Ericameria bloomeri Stephen W. Edwards with Katie Colbert 2015-8-7 s.n. Placer Monumental Ridge. Comment
  UC87230  Ericameria bloomeri K. Brandegee 1885-8-1 Placer Donner Comment
  UCR231824  Erigeron breweri George K. Helmkamp, E. A. Helmkamp 2010-8-14 16774 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
  CHSC73013  Erigeron coulteri L. P. Janeway 1998-8-6 5961 Placer LLake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CHSC74205  Erigeron coulteri Susie Urie; Eric Schroder 1998-9-8 98 -291 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UC1191221  Erigeron coulteri Herbert L. Mason 1939-8-3 12204 Placer n of Lake Tahoe (Squaw Creek Valley); Squaw Creek Valley 1889 Comment
  UCD75701  Erigeron coulteri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5150 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  UC398626  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer along streams at Donner Pass (Summit) 2133 Comment
  RSA0049719  Erigeron divergens Dean Wm. Taylor 2013-8-7 21395 Placer Coldstream Valley, just above Horseshoe Bend on the railroad mainline 1889 Comment
  UCD82965  Erigeron divergens Albert Grigarick 2009-6-15 112 Placer E of Truckee, 1 ft W of west shore of the middle of Martis Creek Reservoir. 1775 Comment
  CHSC69471  Erigeron filifolius var. filifolius James D. Jokerst 1988-6-6 3007 Placer Long Creek Hydro Project, ca. 1 mi W of Ramsey Crossing, N of Long Canyon Creek. Comment
  CAS-BOT-BC300671  Erigeron foliosus var. hartwegii Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCR208612  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14616 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCR218453  Erigeron foliosus var. hartwegii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16426 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
  UC195955  Erigeron glacialis var. glacialis C. F. Sonne 1885-7-12 Placer mts. above Kneeland's Mill Comment
  JEPS126420  Erigeron inornatus var. inornatus Steve Matson 1998-8-15 371 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. 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
  CAS-BOT-BC295527  Erigeron miser John H. Thomas; Hazelle A. Thomas 1956-7-21 6222 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  POM40200  Erigeron peregrinus Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  UCD43083  Erigeron peregrinus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 451 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD21885  Erigeron peregrinus var. angustifolius 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. Partila sun. SE facing slope, 10% incline. Common. 2023 Comment
  UCD132077  Erigeron sumatrensis Walter H. Johnson 1959-12-1 s.n. Placer Near Blue Canyon on Highway 40. 152 Comment
  POM260423  Eriodictyon californicum C. L. Hitchcock 1940-5-14 6376 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UCR253227  Eriodictyon californicum George K. Helmkamp, Amy Barnes 2014-4-23 22815 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
  UCD22137  Eriogonum incanum Rex Palmer 1979-6-19 N 237 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD75737  Eriogonum lobbii Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5199 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  CAS-BOT-BC263699  Eriogonum luteolum var. pedunculatum F. A. Mac Fadden 1934-7-2 s.n. Placer American River, near Rawhide Mine Comment
  POM279091B  Eriogonum marifolium Lyman Benson 1933-6-26 4529 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UC77526  Eriogonum marifolium C. F. Sonne 1888-7-1 Placer hills above Bear Valley; Sierra Nevada Mountains 2438 Comment
  SCFS1170  Eriogonum nudum E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Creekside at Chickering. Comment
  CAS-BOT-BC264811  Eriogonum nudum var. deductum Marcus E. Jones 1882-6-29 3469 Placer Emigrant Gap Comment
  CAS-BOT-BC264814  Eriogonum nudum var. deductum John Thomas Howell 1943-7-24 18804 Placer West side of Donner Pass near Norden 2133 Comment
  POM165488  Eriogonum nudum var. deductum George B. Grant 1906-7-15 6935 Placer Lake Tahoe. 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
  CAS-BOT-BC271967  Eriogonum nudum var. pubiflorum H. L. Mason 1929-10-4 5450 Placer Three miles south of Roseville on Folsom Road Comment
  SDSU6787  Eriogonum nudum var. pubiflorum D. F. Howe 1960-9-18 2971 Placer 2 miles northof Auburn. 518 Comment
  CAS-BOT-BC266843  Eriogonum ovalifolium var. nivale L. S. Smith 1928-7-18 2479 Placer Ward Peak among rocks, top ridge, Tahoe Forest 2438 Comment
  CAS-BOT-BC258138  Eriogonum prattenianum var. prattenianum G. L. Stebbins 1970-7-19 7063 Placer Above North Fork of Middle Fork, American River, 2 miles northeast of Last Chance 1341 Comment
  UCD21941  Eriogonum spergulinum Beth Lowe Corbin 1982-8-17 354 Placer 2 1/2 miles WSW of The Cedars. Along logging road in brushy, White Fir forest. Calyx white with brown midribs. Full sun. NW facing slope, 25% incline. Locally common. 1920 Comment
  CAS-BOT-BC269939  Eriogonum spergulinum var. reddingianum F. A. M. 1934-8-10 12856 Placer Cisco Comment
  LA27118  Eriogonum spergulinum var. reddingianum L. S. Rose; 1941-7-8 41290 Placer Chambers Lodge, Lake Tahoe 1900.0 Comment
  SD86301  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer Along California Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground Comment
  UCD21943  Eriogonum umbellatum Beth Lowe Corbin 1982-8-4 240 Placer 1 1/2 miles NNW of Onion Creek campground. In rocky, fine, sandy soil. Talus slope. Flowers sulfur yellow with red lines on outside. Forming a loose mat at location. Full sun. East facing slope, 50% incline. Uncommon. 2286 Comment
  CAS-BOT-BC265155  Eriogonum umbellatum var. nevadense Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CDA15922  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 1999-7-17 15183 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC79800  Eriogonum umbellatum var. nevadense G. F. Hrusa; J. Glazner 1999-7-18 15236 Placer Betw. Squaw Cr, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1889 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
  UC565933  Eriogonum umbellatum var. nevadense H. S. Yates 1934-6-29 3890 Placer near Bijou; Markleevillee Quadrangle 1920 Comment
  CAS-BOT-BC205644  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  CAS-BOT-BC262232  Eriogonum ursinum Peter H. Raven 1956-8-4 10004 Placer Dirt road north of Emigrant Gap 1493 Comment
  CAS-BOT-BC205645  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  RSA423165  Eriogonum wrightii var. subscaposum Alice Eastwood 1934-8-10 12857 Placer Cisco. Comment
  UC669302  Eriogonum wrightii var. subscaposum Annie M. Alexander and Louise Kellogg 1941-10-5 2646 Placer e slope, Donner Pass Donner Pass 1981 Comment
  CAS-BOT-BC301413  Eriophyllum lanatum var. grandiflorum Lincoln Constance; Helen Sharsmith 1933-5-14 E 21 Placer Auburn Comment
  SJSU8792  Eriophyllum lanatum var. grandiflorum F. J. Santana 1958-5-10 Placer c. 1.5 mi from Auburn by Hwy 49 381 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
  UCR173277  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10441 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  POM118174  Eriophyllum lanatum var. grandiflorum H. M. Hall, F. M. Essig 1916-6-5 10156 Placer Bear River, northern Placer County, on the westerly slope of the Sierra Nevada 450 Comment
  CAS-BOT-BC308249  Eriophyllum lanatum var. integrifolium Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Madden Creek, Ellis Peak Ridge, Lake Tahoe Region Comment
  UC480764  Eriophyllum lanatum var. integrifolium W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe region, Ellis Peak Comment
  UCR231891  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2011-4-10 17144 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  RSA29007  Eryngium castrense Lincoln Constance 1941-5-28 2824 Placer 2 miles north of Lincoln, Sacramento Valley. 61 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
  UCR191094  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12329 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 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
  CDA3713  Erysimum cheiri T. Lancefield 1975-4-16 Placer West side of tunnel of Taylor Road, Newcastle. 0 Comment
  CHSC74127  Erythranthe breweri Susi Urie 1998-8-11 98 -016 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SEINET208781 Image available Erythranthe lewisii Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-1 2135 Placer Tahoe National Forest ; 3.3 miles northwest of Highway junction Calif. 89 and 28 at Tahoe City; on Calif. 89; 3.2 miles west of Calif. Highway 8. 2073 Comment
  SJSU7720  Erythranthe primuloides R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  SJSU7731  Erythranthe primuloides D. Funnell 1965-6-27 Placer 4.5 mi S of Truckee on Hwy 89 1773 Comment
  SEINET14046343 Image available Erythranthe tilingii Johnnie L. Gentry Jr., Earl Jensen, Jr. 1968-1 2134 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89. 2073 Comment
  SEINET10528995  Erythronium hartwegii Sonne 1891-4-5 SONNE 593 Placer Below Auburn Comment
  UC1585966  Erythronium multiscapideum Barbara Ertter with David Thompson 1989-4-8 8170 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing, near rivulet at base of n-facing slope at edge of forest) 518 Comment
  UC1533102  Erythronium purpurascens Jon Winter 1970-7 Placer Duncan Peak Lookout Station Tahoe Nat'l Forest 2189 Comment
  RSA739849  Erythronium purpurascens Jon Winter s.n. Placer Placer County: Tahoe National Forest, Duncan Peak Lookout Station. 2190 Comment
  SEINET10966321  Erythronium purpurascens A. Arthur Heller 1917-6-17 Heller 12685 Placer Moist soil about rocks near the Yuba River below Cisco, 5500 feet, the trees Pinus jeffreyi, incense cedar and white fir. Ceanothus cordulatus and Quercus vaccinifolia are the common shrubs, the rocks granite. 1675 Comment
  UCR208603  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14624 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  UCR257566  Eschscholzia caespitosa George K. Helmkamp, Amy Barnes 2014-4-23 22773 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
  CAS-BOT-BC403342  Eschscholzia californica Alice Eastwood 1921-5-22 10585 Placer Between Lincoln and Sheridan Comment
  UCR250273  Eschscholzia californica George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20334 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 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-BC419541  Eschscholzia lobbii Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 3988 Placer Grass Valley Road 1.4 miles from Auburn 365 Comment
  CAS-BOT-BC310371  Eucephalus breweri L. S. Smith 1927-7-1 2155 Placer Robertsons Flat, Forest Hill Distr. Comment
  CAS-BOT-BC310375  Eucephalus breweri J. F. Emmel 1970-7-18 319 Placer Slope, 0.6 mile s. of south end of Lake Mary, s. of Donner Pass 2286 Comment
  JEPS111307  Eucephalus breweri Steve Matson 2005-7-31 1428 Placer Just north of the Tahoe Basin, along logging about 1 km east of Brockway Summit (Highway 267) 200 meters south of paved road to Martis Peak; 39.2682 N, 120.0620 W ; elevation 7,460 ft 2273 Comment
  SJSU11797  Eucephalus breweri H. T. Harvey 1958-8-19 Placer Sugar Bowl 1 mi S of Donner Summit 2164 Comment
  UCR200857  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2008-9-15 14101 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UCR246827  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-7-28 16656 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  RSA433511B  Euphorbia spathulata Anonymous 1900-5-27 s.n. Placer Duncan Comment
  CHSC73007  Eurybia integrifolia L. P. Janeway 1998-8-6 5978 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC73922  Eurybia integrifolia Susi Urie 1998-8-11 98 -004 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC128136  Eurybia integrifolia Miss Harriet A. Walker 1908-7-26 1438 Placer Cisco 1810 Comment
  UC893025  Eurybia integrifolia Lewis S. Rose 1938-9-14 38264 Placer 3 mi e Cisco; South Fork of Yuba River 1737 Comment
  UC896646  Euthamia occidentalis G. P. Rixford 1913-9-2 Placer Loomis Comment
  SCFS1234  Fabaceae E. Krimmel 2013-1 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Streamside where trail meets main river. Comment
  UCR190919  Festuca arundinacea George K. Helmkamp, E. A. Helmkamp 2007-5-23 12070 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  SEINET238358 Image available Festuca confusa Beecher Crampton 1953-4-13 1097 Placer 1 mile north of lincoln along railroad right of way near edge of Hwy 99E. Comment
  SACT002492  Festuca confusa Josephine Van Ess 1976-4-3 Placer Collected near small vernal pool near Highway 65. Edge of vernal pool. Comment
  SACT001168  Festuca occidentalis Michael Baad 1976-6-17 Placer Flood plain from Wildcat Canyon west to New York Canyon. Comment
  UCD66120  Festuca occidentalis Beecher Crampton 1955-7-13 2994 Placer US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  SBBG59373  Festuca perennis M. N. Ackley -Jun-1925 17 Placer Penryn 191 Comment
  SACT001175  Festuca pratensis D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001182  Festuca pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City Shopping Center near lake shore. 1891.0 Comment
  SACT001218  Festuca rubra D. Meyer 1984-7-21 Placer on road near golf course. 2000.0 Comment
  UCD74212  Festuca trachyphylla Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 225 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Terrain Park' ski run. 2221 Comment
  SACT001203  Festuca viridula Michael Baad 1983-8-21 Placer 2.4 miles southwest of Soda Springs exit off of Interstate80. 2019.0 Comment
  UCD43061  Festuca viridula C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 429 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD33680  Frangula californica Beecher Crampton 1971-10-5 8759 Placer Placer County, Baxter, 2 miles east of Interstate Hwy. 80. 1402 Comment
  SD81185  Frangula californica subsp. tomentella D. F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  UCD144217  Frangula rubra Frederic Hrusa; L. Serafini 1993-6-29 11261 Placer Duncan Creek approximately 5 meters upstream from Mosquito Ridge Road bridge crossing. 1 mile north of French Meadows Reservoir. 1400 Comment
  CAS-BOT-BC55708  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1732 Placer W. slope Sierra Nevada. Baxter's Camp, 17 mi. above Colfax 1158 Comment
  SEINET7417509 Image available Frangula rubra subsp. rubra A. A. Heller 1917-1 12736 Placer Emigrant Gap 1615 Comment
  LA93377  Fritillaria agrestis Lynn Gould; 1962-3-31 15 Placer 2 mi. W of Roseville on Central Avenue Comment
  UC197245  Fritillaria atropurpurea C. F. Sonne June 1886 Placer road to Tahoe Tahoe Comment
  CAS-BOT-BC504556  Fritillaria atropurpurea Sherman Chickering 1974-1-1 s.n. Placer Near Soda Spring, Plants of the Sierra Nevada Comment
  CAS-BOT-BC505322  Fritillaria micrantha Catherine A. Toschi 1963-3-23 63 : 78 Placer 3 miles east of Auburn Comment
  SEINET8478955  Fritillaria phaeanthera A. Badiei 1962-3-17 s.n. Placer 3 miles E of Auburn, North Fork American River. 610 Comment
  SD66006  Fritillaria recurva C. L. Hitchcock 1940-5-7 6308 Placer About 1 mile west of Baxter. Comment
  CDA36972  Galium aparine CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD121720  Galium aparine M. H. Mills 1996-4-12 140 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCR193308  Galium aparine George K. Helmkamp, E. A. Helmkamp 2007-5-30 12184 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
  SEINET11298750  Galium aparine B. Eshelman, H. N. Mozingo 1979-3-31 s.n. Placer 5.3 miles East of Junction of Forrest Hills road. Comment
  POM67604  Galium bifolium Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. 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
  UCD75698  Galium bifolium Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5147 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  UCR231820  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-8-11 16766 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  UCD148666  Galium grayanum G. Ledyard Stebbins 1968-8-15 C 6858 Placer Devil's Peak, southeast of Soda Springs. 2286 Comment
  RSA39976  Galium grayanum var. grayanum J. T. Howell 1943-7-26 18840 Placer Mt. Lincoln. Comment
  CDA36914  Galium parisiense CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCR219679  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR209739  Galium porrigens George K. Helmkamp, E. A. Helmkamp 2009-8-12 15427 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  CHSC74257  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-11 98 -348 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  SEINET4178829 Image available Galium triflorum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16782 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of it's junction with Foresthill Road and just south of a creek crossing. 1551 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
  SDSU3743  Gamochaeta pensylvanica D. F. Howe 1948-5-21 1908 Placer 457 Comment
  CAS-BOT-BC178547  Garrya flavescens C. Hart Merriam 1911-11-5 s.n. Placer Gorge Station C.P.R.R., west slope Sierra Nevada 1219 Comment
  SACT001231  Gastridium ventricosum D. Meyer 1983-7-24 Placer Moist, shady roadside. 1036.32 Comment
  UCD117439  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods; Tahoe National Forest, ca. 20 miles NE of Foresthill; Greek Store. 7 1/2 min. Comment
  UCD103742  Gayophytum L. M. Sparks 1912-7-1 67 Placer Lake Tahoe. 1920 Comment
  UCD22097  Gayophytum Rex Palmer 1979-6-20 N 332 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET9363688  Gayophytum diffusum Unknown 1999-7-17 15125 Placer Martis Valley Comment
  UCD22101  Gayophytum diffusum Rex Palmer 1979-7-11 N 588 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD44717  Gayophytum diffusum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2083 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR179199  Gayophytum diffusum Rex Palmer 1979-7-25 N- 681 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  CDA25025  Gayophytum diffusum subsp. parviflorum J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  RSA122209  Gayophytum diffusum subsp. parviflorum B. Bolt 1934-7-17 129 Placer 1/2 mile south of Lost Emigrant Mine. 2073 Comment
  UC147607  Gayophytum diffusum subsp. parviflorum Harriet A. Walker 1908-6-25 1304 Placer Cisco 1810 Comment
  UCR207113  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15216 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  SEINET4150924  Gayophytum heterozygum L. R. Miller 1929-7-21 s.n. Placer East end of Donner Lake Comment
  CAS-BOT-BC488336  Gayophytum humile James A. Neilson, Jr. 1970-8-28 1865 Placer Tahoe Basin, Paige Meadow 2072 Comment
  UCD119668  Genista monspessulana Annabelle Kleist 2009-4-23 Asb- 36 Placer Auburn State Recreation Area, Confluence. Comment
  RSA201910  Gentiana simplex Rowena Beans 1914-9-7 s.n. Placer Lake Tahoe, west of Lavern two miles. Comment
  JEPS47083  Gentianella amarella subsp. acuta Rowena Beans 1914-9-7 Placer Tahoe; Lake Tahoe Comment
  SD237460  Geranium dissectum G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15904 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Road, 4.5 miles south of junction with CA-49 at Pilot Hill (Pilot Hill 7.5'Q) 287 Comment
  UCD103364  Geranium dissectum M. H. Mills 1996-4-12 133 Placer Along Walden Lane, Loomis. 180 Comment
  UCR173266  Geranium dissectum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10428 A Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR235480  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-5-5 18935 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  SD43657  Geranium dissectum Darley F. Howe 1948-5-21 1912 Placer 456 Comment
  SDSU7324  Geranium dissectum unknown 1946-5-21 Placer 457 Comment
  UCD103424  Geranium molle G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11706 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  SD43633  Gilia capitata Darley F. Howe 1948-5-23 1849 Placer American River 305 Comment
  UC572609  Gilia capitata subsp. mediomontana N. French 1934-5-31 383 Placer Mammoth Springs Tahoe National Forest, Colfax Quad. 1645 Comment
  UCR190658  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2007-5-23 12080 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
  UCR232649  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2011-9-30 18342 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  RSA83087  Gilia capitata subsp. pedemontana Verne Grant, Alva Grant 1947-5-5 7970 Placer Road bank near Weimar 671 Comment
  UCR242367  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UC30184  Gilia tricolor subsp. diffusa H. N. Bolander 1865-4-13 4574 Placer near Auburn; near Auburn Comment
  RSA726430  Glinus lotoides L. Ahart 2007-11-13 14594 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 air miles northeast of Sheridan. 74 Comment
  JEPS103556  Glyceria borealis Lowell Ahart 2002-7-22 9907 Placer In a small lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  CHSC96503  Glyceria declinata Lowell Ahart; Brian Williams 2007-4-13 13662 Placer On damp granite soil, 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
  JEPS113246  Glyceria declinata Lowell Ahart, Brian Williams 2007-4-13 13662 Placer On damp granite soil, 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
  SACT001261  Glyceria elata Michael Baad 1976-8-25 Placer 3-4 miles west of Sunnyside. 2072.0 Comment
  UCD22251  Glyceria elata Beth Lowe Corbin 1982-8-19 390 Placer 1 mile SSW of The Cedars. NW facing slope, 20% incline. Common. Mostly sun. Meadow in logged white fir forest. Perennial, culms 1 m tall. 1813 Comment
  JEPS75581  Glyceria grandis W. L. Jepson 1934-8-7 16882 Placer near Squaw Creek; Truckee River Comment
  CDA6001  Gnaphalium canescens subsp. beneolens K. Stark 1978-9-18 Placer Growing grounds of Elfinwood Nursery, Colfax. 0 Comment
  CAS-BOT-BC307372  Gnaphalium palustre John Thomas Howell 1943-7-19 18583 Placer Summit Valley Comment
  CHSC74206  Gnaphalium palustre Susie Urie; Eric Schroder 1998-9-8 98 -297 Placer Lake Tahoe Basin--National Forest. Meadow complex on the north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  JEPS126381  Gnaphalium palustre Steve Matson 1997-7-1 114 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  SD247326  Gnaphalium palustre George K. Helmkamp, E. A. Helmkamp 2012-9-25 19905 Placer Northern Sierra Nevada Mountains: Blue Canyon Road, 1.1 miles south of its intersection with I-80, about 1/2 mile south of Blue Canyon-Nyack Airport. 1473 Comment
  UCD21883  Gnaphalium palustre Beth Lowe Corbin 1982-8-3 185 Placer Onion Creek campground. In fine, sandy, granitic soil, in a somewhat disturbed area in open meadow. Annual. Phyllaries whitish. Full sun. Southwest facing slope. Common. 1841 Comment
  UCD22066  Goodyera oblongifolia Beth Lowe Corbin 1982-8-20 400 Placer 1/2 mile west of Onion Creek Campground. 1950 Comment
  CAS-BOT-BC110216  Grayia spinosa L. S. Smith 1926-4-21 1785 Placer Tahoe Forest. Spanish Springs Rnage Nev. 1524 Comment
  OBI16391  Grindelia camporum Robert F. Hoover 1965-6-24 9452 Placer 2 mi N of Auburn on road to Grass Valley (hwy 49) Comment
  UCD132554  Grindelia camporum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11209 Placer Northern Sierra Nevada Mountain. Along Forest Hill Road, 1.0 mile north of Forest Hill. 1037 Comment
  JEPS41903  Grindelia hirsutula W. H. Shockley Jun 1886 Placer Auburn Comment
  SEINET3139959  Grindelia hirsutula M. P. Dunford 1959-10-20 563 Placer 1 mi. E of Rocklin on Hwy 40; between Hwy 40 & railroad tracks Comment
  UCR240896  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2012-6-19 19209 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  UCD22126  Hackelia Rex Palmer 1979-6-21 N 419 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22129  Hackelia micrantha Rex Palmer 1979-6-20 N 282 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS71517  Hackelia nervosa Gladys L. Smith 1972-6-20 3241 A Placer ridge from chairlift terminus to Ultimate Summit Peak; Ward Peak 2632 Comment
  UC2042515  Hackelia nervosa Holly Forbes and Barbara Keller 2010-7-13 Placer Tahoe National Forest, at Chalet Road near the intersection of road to parking area and Subway Lift at Alpine Meadows Ski Resort Comment
  UC147633  Hackelia velutina Harriet A. Walker 1908-6-23 1210 Placer Blue Canyon 1432 Comment
  UC24781  Hackelia velutina J. Burtt Davy Jun 25 1897-Jun 30 1897 3251 Placer Truckee River; Truckee River Basin Comment
  UCSB16091  Hackelia velutina 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
  UCD21773  Helianthella californica Rex Palmer 1979-6-9 N 161 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC314784  Helianthella californica var. nevadensis F. Almeda 1993-7-24 7276 Placer About 15 miles SE of Interstea Hwy. #80 at Soda Springs on the trail to Upper Sheep Valley, Sierra Nevada 2133 Comment
  UCR190223  Helianthella californica var. nevadensis George K. Helmkamp, E. A. Helmkamp 2007-8-1 12648 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  CAS-BOT-BC305357  Helianthus annuus C. F. Sonne 1887-8-28 s.n. Placer Sierra Nevada Mountains. On Truckee River Comment
  SJSU11836  Helianthus annuus C. T. Osugi 1969-10-4 79 Placer Loomis, 21 mi NE of Sacramento 121 Comment
  SCFS1189  Hemizonella minima E. Krimmel 2014-4-21 Placer NFAm. Farthest rocky outcrop on Point Mariah Comment
  UC24121  Hesperochiron californicus Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC123627  Hesperochiron latifolius Albert Kellogg s.n. Placer Cisco Comment
  CAS-BOT-BC403800  Hesperocnide tenella Lowell Ahart 1975-4-7 s.n. Placer Near Lincoln. In a field 1/4 mile north-east from the intersection of Wise Road and McCourtney Road which is north of Lincoln 39 Comment
  UCD85291  Hesperostipa comata Frederica Bowcutt 1994-7-22 1954 Placer Sierra Nevada Mtns., Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. Proposed restaurant site. 2438 Comment
  UCD40879  Heuchera micrantha var. erubescens M. D. 1983-5-28 132 Placer 13.5 miles east of Forest Hill on Mosquito Ridge Road. 1066 Comment
  UC481030  Hieracium albiflorum R. L. Pendleton and F. M. Reed 1907-7-28 1304 Placer Tahoe Tavern Lake Tahoe Region 1898 Comment
  UCD132317  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR250140  Hieracium albiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20812 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CAS-BOT-BC319597  Hieracium albiflorum Leland S. Smith 1926-5-23 s.n. Placer Forest Hill, Tahoe Forest Reserve Comment
  CAS-BOT-BC319758  Hieracium argutum G. L. Stebbins; J. Hunziker; H. Stutz; D. Zohary 1952-7-20 5134 Placer Along road from Colfax to Forest Hill 1/2 mile south of crossing of American River 304 Comment
  UCD133111  Hieracium argutum G. L. Stebbins Jr.; J. Hunziker, H. Stutz, D. Zohary 1952-7-20 5134 Placer steep, north-facing slope. Along road from Colfax to Forest Hill, 1/2 mile south of crossing of American River. 304 Comment
  SACT001283  Holcus lanatus Michael Baad 1977-6-21 Placer Road of Weimar 685.0 Comment
  JEPS38265  Holocarpha virgata subsp. virgata J. W. Blankinship 1909-9-13 Placer Roseville Comment
  SACT001300  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of the road in moist soil. 2072.64 Comment
  SACT001311  Hordeum brachyantherum D. Meyer 1983-8-7 Placer Near gate leading into ski area parking lot moist meadow with many sedges. 2073.0 Comment
  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
  UCD22255  Hordeum brachyantherum subsp. californicum Rex Palmer 1979-7-9 N 445 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT001338  Hordeum geniculatum D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  SACT001375  Hordeum leporinum D. Meyer 1983-5-7 Placer Roadside. Comment
  CDA19573  Hordeum marinum subsp. gussoneanum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 212 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UCR172651  Hordeum murinum subsp. leporinum George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10196 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  SACT001358  Hordeum vulgare D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 20.0 Comment
  UCD86534  Hordeum vulgare Beecher Crampton 1957-5-7 3982 Placer Along US Hwy. 99E, 3.2 miles N of Roseville. Comment
  RSA169484  Horkelia fusca subsp. parviflora L. S. Rose 1963-7-11 63211 Placer Tahoma, Lake Tahoe. 1916 Comment
  POM153490  Horkelia fusca subsp. parviflora Philip A. Munz 1928-6-25 11089 Placer Tahoe Camp, Lake Tahoe Comment
  UC329974  Horkelia fusca subsp. parviflora Lemmon May 1889 Placer Tahoe Lake Valley Comment
  CAS-BOT-BC205641  Horkelia fusca var. parviflora James R. Shevock 1985-8-9 11339 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2050 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
  SEINET6767889  Horkelia tridentata M. J. Williams 1986-6-19 86- 64 -3 Placer Sierra Nevada; S of I-80, near Cisco Grove. 1743 Comment
  UC860236  Horkelia tridentata subsp. tridentata A. A. Heller 1917-6-17 12705 Placer below Cisco (along the Yuba River) Comment
  CAS-BOT-BC143406  Horkelia tridentata var. tridentata E. K. McPherson 1976-9-19 26 -28 10 Placer One mile east of Talbot Campground; near Middle Fork American River 1767 Comment
  CAS-BOT-BC537973  Horkelia tridentata var. tridentata Clare B. Hardham 1961-6-14 7366 Placer Baxter Rte 40 Comment
  CAS-BOT-BC537981  Horkelia tridentata var. tridentata James L. Walters 1940-5-11 s. n. Placer Near Yuba Pass overhead; east of Emigrant Gap. Comment
  CAS-BOT-BC537984  Horkelia tridentata var. tridentata G. T. Nordstrom 1934-6-21 149 Placer CA. Forest & Range Experiment Station: 3 mi. W by NW of Mammoth Springs 1584 Comment
  CAS-BOT-BC537985  Horkelia tridentata var. tridentata Marcus E. A M Jones 1882-6-27 3291 Placer Emigrant Gap Comment
  CAS-BOT-BC537987  Horkelia tridentata var. tridentata Saichi Kawahara 1969-5-24 847 Placer Near garden, Henderson Ranch, Indian Creek 1005 Comment
  SEINET5327380  Hosackia crassifolia var. crassifolia P. B. Kennedy 1901-8-21 428 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  SEINET4691671  Hosackia oblongifolia G. K. Helmkamp, E. A. Helmkamp 2010-1 16796 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. 1552 Comment
  CAS-BOT-BC312648  Hymenothrix loomisii T. C. Fuller 1962-9-20 9624 Placer S. side of Hwy 40 freeway to Donner Summit, 4.8 mi. e. of Weimar Comment
  SBBG72738  Hypericum anagalloides M. N. Ackley -Jun-1925 379 Placer Summit 2139 Comment
  UC128392  Hypericum anagalloides Miss Harriet A. Walker 1908-7-27 1461 Placer Yuba R. near Cisco; Yuba R. Comment
  CAS-BOT-BC410213  Hypericum concinnum Vincent Jones 1919-7-7 s.n. Placer ridge above Bear Valley Comment
  SD234895  Hypericum concinnum G. K. Helmkamp, E. A. Helmkamp 2008-8-20 14033 Placer Northern Sierra Nevada Mountains: Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek. 2107 Comment
  UCR173740  Hypericum concinnum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10709 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  UC721200  Hypericum concinnum Rogers McVaugh 1941-7-28 6166 Placer canyon 3 mi. n.e. Colfax Comment
  UCR170799  Hypericum formosum var. scouleri George K. Helmkamp, E. A. Helmkamp 2005-9-30 9937 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  SEINET3402348  Hypochaeris glabra R. W. Spellenberg, N. Zucker 2011-4-15 14277 Placer NE corner of 7th St, and CA Hwy 65 in Lincoln, ca. 40 air km NE of Sacramento. W edge of graveled Gladden McBean parking lot. 50 Comment
  RSA129914  Ipomoea purpurea P. H. Raven 1954-8-27 7963 Placer Penryn. Comment
  UCD21976  Ipomopsis aggregata Rex Palmer 1979-7-25 N 699 Placer Headwaters basin area of the North Fork of the American River Comment
  UC908137  Ipomopsis aggregata H. L. Mason 1932-9-9 7181 Placer Carson Meadows Comment
  RSA35126  Ipomopsis aggregata subsp. formosissima L. S. Rose 1944-7-10 44048 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  SEINET2441405  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2009-7-16 15220 Placer Sierra Nevada Mountains: Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat (Duncan Peak 7.5' Q.). 2020 Comment
  SBBG29834  Iris hartwegii C. L. Hitchcock 1940-5-7 6329 Placer 1 mi W of Baxter Comment
  SEINET8752696  Iris hartwegii D. T. Erskire 1941-4-25 2 Placer Bear River Canyon 1067 Comment
  UCR191055  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12046 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  UCR257151  Iris hartwegii subsp. hartwegii George K. Helmkamp, Amy Barnes 2014-4-23 22789 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  CHSC24735  Iris macrosiphon T. C. English 1976-4-11 13 Placer N. Fork American River, 2 mi. w. Hwy. 49 bridge, 400 yds. N. abandoned R.R. in S. facing rockpile. 335 Comment
  RSA136471  Iris macrosiphon Lee W. Lenz, E. K. Balls 1955-5-12 20473 Placer U.S. Highway 40, at Colfax 762 Comment
  SEINET4170760  Iris tenuissima L. Constance, J. L. Morrison 1938-4-30 Placer At the edge of Applegate, Sierra Nevada foothills. 610 Comment
  UCR235614  Iris tenuissima subsp. purdyiformis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18913 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  RSA739596  Isoetes howellii John Dittes 2003-5-25 2003 -28 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
  UC9316  Isopyrum occidentale H. N. Bolander 1865-4-12 4553 Placer near Forest Hill; near Forest Hill Comment
  CAS-BOT-BC109966  Juncus John H. Thomas; Hazelle A. Thomas 1956-7-21 6212 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. Along edge of lake. 2438 Comment
  SEINET6173880  Juncus W. D. Billings 1951-7-28 2139 Placer Tallbot Home Camp, Middle Fk. American River 1676 Comment
  UC1133637  Juncus arcticus subsp. mexicanus R. W. Lundh 1933-4-25 231 Placer n of Colfax; Colfax Quad. 792 Comment
  UCD43976  Juncus balticus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1342 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA37250  Juncus bufonius CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR257624  Juncus bufonius George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19528 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
  UC842326  Juncus bufonius var. bufonius Marcus E. Jones, A. M. 1882-7-4 2903 Placer Colfax Comment
  SEINET3877887  Juncus chlorocephalus Ellen Dean, M. Starbuck; G. Harrington; J. Buck; Mark Bibbo; T. Sasaki; J. Poloske 2008-7-19 5133 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.; 0 2112 Comment
  CHSC68067  Juncus confusus James D. Jokerst 1986-7-13 2698 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  CHSC89803  Juncus covillei G. F. Hrusa; J. Glazner 2000-7-1 15597 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
  JEPS73239  Juncus drummondii Gladys L. Smith 1972-8-25 3406 Placer between Shirley chairlift and Watson Monument (trail to Granite Chief) 2560 Comment
  UCD34026  Juncus effusus Beecher Crampton 1975-9-9 9278 Placer Placer County, Gold Run rest area on Hwy. 80. 914 Comment
  CAS-BOT-BC176394  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
  SEINET3879442  Juncus ensifolius Beecher Crampton 1975-9-9 9277 Placer Gold Run rest area on Hwy 80.; 0 914 Comment
  UCD162587  Juncus ensifolius Steve Matson 2003-6-12 846 Placer nSNH; Tahoe Basin; Ward Canyon (west shore), about 2 miles East of Highway 89, near junction of Tahoe Rim Trail and Ward Canyon Road. 1987 Comment
  UCD162590  Juncus ensifolius Steve Matson 2002-8-17 701 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 Comment
  UCD43968  Juncus longistylis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1334 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC74321  Juncus nevadensis Susi Urie 1998-8-29 98 -155 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 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
  UCD36714  Juncus orthophyllus Beecher Crampton 1955-7-13 3000 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. 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
  CDA16801  Juncus parryi G. F. Hrusa, J. Glazner 2001-7-15 15940 Placer Sierra Nevada; N side of saddle immed. E of summit of Crows Nest Pk. W of Sugarbowl. 2346 Comment
  UCD21852  Juncus parryi Rex Palmer 1979-6-19 N 258 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD21848  Juncus tenuis Rex Palmer 1979-7-9 N 441 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD162744  Juniperus grandis Dylan O. Burge; J. Bisbee 2014-5-25 1628 Placer Bear River watershed, roadside on California State Route 20. 1430 Comment
  UC480736  Kalmia polifolia subsp. microphylla W. C. Blasdale 1923-7-15 Placer Ellis Peak; Lake Tahoe Region, Ellis Peak 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
  CAS-BOT-BC246156  Keckiella lemmonii Catherine Best 1981-8-1 s.n. Placer Near Lower Hell Hole Reservoir, Sierra Nevada Comment
  CAS-BOT-BC246325  Keckiella lemmonii Kay H. Beach 1940-6-30 807 Placer Rocky terrain south of the Yuba River 2 1/2 miles west of Cisco Comment
  SCFS1134  Keckiella lemmonii E. Krimmel 2014-7-5 Placer Dry, sunny slope between Onion and Serena Creeks. 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
  UC889315  Kelloggia galioides Alice Eastwood 1909-1 174 Placer Sunnyside; Lake Tahoe Region 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
  SEINET12286682  Kelloggia galioides C. F. Sonne 1885-1 s.n. Placer Colstream Comment
  CDA10755  Kochia scoparia Nancy Lozano 2007-8-28 PDR# 1278075 Placer Tahoe City; 1155 N. Lake Blvd. Roadside outside California State Parks Office. Comment
  SEINET2473462 Image available Koeleria phleoides George K. Helmkamp, E. A. Helmkamp 2010-1 15916 Placer Sierra Nevada Mountains 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 200 Comment
  UC131019  Kumlienia hystricula Mrs. K. Brandegee 1909-4-28 Placer near Auburn (in the Sierra Nevada Foothills); Sierra Nevada Foothills Comment
  UC89190  Lagophylla glandulosa Mrs. M. E. P. Ames 1886-1-1 Placer Auburn Comment
  CAS-BOT-BC341356  Lagophylla glandulosa David D. Keck 1932-6-30 1587 Placer 0.3 miles N. of Weimar P.O. 685 Comment
  SD62081  Lagophylla glandulosa subsp. serrata Darley F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. Comment
  UCR218617  Lagophylla ramosissima Ken Osborne 2010-9-12 s.n. Placer Sierra Nevada Mtns. Foothills, North Auburn, Dry Creek Rd. just west of intersection with Bluegrass Dr. 396 Comment
  CDA37227  Lamium amplexicaule CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SEINET7949741  Lamium amplexicaule P. A. Lehenbauer 1937-4-11 s.n. Placer Auburn. Comment
  SEINET7949749  Lamium amplexicaule C. Petterson, A. Berringhoff 1930-1 2793 Placer 5 mi. E of Lincoln. Comment
  POM361598  Lasthenia fremontii C. B. Wolf 1937-5-12 8621 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  SEINET11447705 Image available Lasthenia platycarpha R. L. Smith 1942-4-3 20 Placer 5 miles E of Roseville 122 Comment
  RSA406667  Lathyrus jepsonii subsp. californicus Fay A. MacFadden 1934-3-31 12452 Placer Dutch Flat Comment
  UC15330  Lathyrus jepsonii var. californicus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD33742  Lathyrus latifolius Beecher Crampton 1972-7-26 8854 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  CDA19567  Lathyrus nevadensis var. nevadensis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 248 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
  CDA12008  Lathyrus sulphureus G. F. Hrusa 1995-5-2 12189 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  POM260012  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer 1 mile west of Baxter. Comment
  SEINET6658657  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12004 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 2.8 miles southeast of Foresthill (Foresthill 7.5' Q.).; 0 814 Comment
  UC30610  Layia fremontii H. N. Bolander 1865-4-11 4548 Placer near Auburn Comment
  UC177013  Layia pentachaeta subsp. pentachaeta Katharine Brandegee Placer Auburn Comment
  UC570136  Ledum glandulosum N. French 1934-6-21 436 Placer sw side of Pallside Lake Pallside Lake 2011 Comment
  UCD62881  Leersia oryzoides Christopher Michael Bronny 2007-9-24 - 1 Placer Yuba and Placer County lines: Along north and south banks of Bear River below the Highway 65 overcrossing approximately 1 mile south of Wheatland. 25 Comment
  JEPS127479  Lemna trisulca Steve Matson 2002-8-4 656 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267; Lookout Mountain branch of Martis Creek. Comment
  UCR170818  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2005-9-30 9958 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  RSA0033852  Lepidium latifolium Barbara Ertter 1999-7-9 16757 Placer Emigrant Gap Vista Point on Interstate 80. Comment
  CDA3789  Lepidium latifolium S. P. Fisher 1969-10-2 Placer Along Southern Pacific Railroad tracks, 3/4 mile northeast of Loomis. 0 Comment
  RSA285918  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer Along SPRR tracks, 0.75 mi NE of Loomis. Comment
  UCR249529  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 36 Comment
  SEINET3838658  Lepidium virginicum D. Bailey, E. Bailey 2009-7-17 289 Placer Tahoe Basin, along the shore of Lake Tahoe, about 0.75 mile from Tahoe City - Tahoe Tavern. 1894 Comment
  UCD115875  Lepidium virginicum Daryl Koutnik; Thomas Lanini. Thomas Wainwright 1978-10-19 s.n. Placer Sunnyside on western shore of Lake Tahoe. 1889 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
  UCR191090  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12323 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  SACT001404  Leptochloa fascicularis Josephine Van Ess 1973-6-24 Placer Collected just south on Barton Road. Wet roadside ditch. 91.5 Comment
  CHSC44327  Leptosiphon ciliatus Lowell Ahart 1972-7-7 137 Placer In a wash, near the Middle Fork of the American River, on the east side of the river near Ahart Camp, about 1 mile north-east of French Meadows Reservoir. 1524 Comment
  UCD118758  Leptosiphon filipes Ted Niehaus 1959-5-3 98 Placer Granite Bay park, north shore of Folsom Lake. Comment
  CHSC85737  Leptosiphon harknessii G. F. Hrusa; J. Glazner 1999-7-17 15153 Placer Martis Valley. Off Hwy 267, S of Truckee. 1889 Comment
  POM364711  Leptosiphon harknessii Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UC188534  Lesquerella occidentalis subsp. occidentalis C. F. Sonne 1885-6-25 Placer head of Squaw Valley head of Squaw Valley on Truckee River (on Truckee River) Comment
  SEINET11448028 Image available Lessingia leptoclada C. Kegg 1983-9-17 C 25 Placer North Fork of Middle Fork American River 488 Comment
  CAS-BOT-BC341750  Lessingia nana John Thomas Howell; Gordon H. True 1971-5-26 47631 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC341770  Lessingia nemaclada B. C. Cain 1925-8-15 14 Placer 2 mi. south of Auburn at Wise Power House Comment
  UCD35595  Lessingia virgata Beecher Crampton 1958-7-11 5010 Placer 3.3 miles east of Sheridan. Comment
  UCR240959  Leucanthemum vulgare George K. Helmkamp, E. A. Helmkamp 2012-9-25 19910 Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  POM126727  Leucophysalis nana Helen D. Geis 1912-06 63 Placer Deer Park. Comment
  SCFS1197  Lewisia E. Krimmel 2014-4-21 Placer NFAm. Comment
  JEPS87113  Lewisia longipetala Anne Halford July 1991 Placer Pole Creek Comment
  CAS-BOT-BC444159  Lewisia nevadensis Alice Eastwood 1909-1-1 271 Placer Lake Tahoe Region. Ward Creek Comment
  UC1136687  Lewisia nevadensis N. French 1934-6-19 319 Placer 1/4 mi w Devil's Peak; Tahoe National Forest, Colfax quadrangle Comment
  UC852036  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Yuba River below Cisco; Yuba River 1676 Comment
  UC192284  Lewisia nevadensis C. F. Sonne 1884-6-29 Placer meadow near old mill at Donner Lake Donner Lake Comment
  UC7821  Lewisia triphylla C. J. Fox Jr. 1895-1 Placer Deer Park Inn 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
  UCD43374  Ligusticum grayi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 742 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD74019  Ligusticum grayi Jennifer W. Burt 2005-7-16 133 Placer Abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from coniferous forest near abandoned ski runs. 1947 Comment
  SEINET11120010  Ligusticum grayi M. J. Williams 1985-7-6 85- 61 -4 Placer Sierra Nevada, near old Donner Summit [road,] S of Lake Mary. 2286 Comment
  SCFS1111  Lilium E. Krimmel 2013-6-13 Placer NFAm. Stop #4. On trail to Heath Falls Overlook. Comment
  CAS-BOT-BC130779  Lilium pardalinum A. M. Vollmer; L. Beane 1951-7-1 188 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC130782  Lilium pardalinum Isabel McCracken 1938-7-2 s.n. Placer Dutch Flat Comment
  RSA130324  Lilium pardalinum Albert M. Vollmer 1949-7-6 12 -E Placer Bear Valley Comment
  CAS-BOT-BC508484  Lilium parvum Lewis S. Rose 1944-7-25 44257 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CAS-BOT-BC508487  Lilium parvum W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  CAS-BOT-BC133074  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1909-1-1 184 Placer Sunnyside, Lake Tahoe Region Comment
  CAS-BOT-BC133075  Lilium washingtonianum subsp. washingtonianum G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC133077  Lilium washingtonianum subsp. washingtonianum Jean L. Pawek 1956-7-18 198 Placer Highway 40 1828 Comment
  UCD116448  Limnanthes alba Rimo Bacigalupi; G. T. Robbins, F. Chisaki 1956-4-20 5628 Placer along Antelope-Roseville road, at Sacramento-Placer county line. 42 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
  SD243171  Limnanthes floccosa subsp. californica George K. Helmkamp, E. A. Helmkamp 2011-4-10 17151 Placer Sacramento Valley: along Riosa road at the east edge of the village of Sheridan. 41 Comment
  CHSC74000  Limosella acaulis Susi Urie 1998-8-19 98 -081 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CDA36874  Linanthus acicularis CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
Read comments
Jul 19 2018
  SEINET11261851  Linanthus ciliatus George Helmkamp, E. A. Helmkamp 2011-7-26 17892 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, .9 mile north of its junction with CA Hwy 20, .85 mi. NE (231/4) of emigrant Gap and N of I-80 (Blue canyon 7.5' Q); 0 1434 Comment
  UC1124027  Linanthus harknessii B. Bolt 1934-7-17 128 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 Comment
  CDA38630  Linaria genistifolia subsp. dalmatica Clayton Seado 2012-8-9 PDR# 1611239 Placer Tahoe City; Tahoe City Public Utility District near Jackpine Street. 0 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
  CDA6360  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4182 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  CHSC97805  Linaria vulgaris L. P. Janeway; B. Castro 2007-9-28 9211 Placer Northern High Sierra Nevada. Along south bank of Truckee River 0.9 km southwest of the Lake Tahoe dam. 1893 Comment
  CDA6376  Linaria vulgaris J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Gold Run. Comment
  UC1191861  Lindernia dubia var. dubia Malcolm A. Nobs and S. Galen Smith 1949-8-22 1543 Placer sw city limits Roseville Comment
  JEPS72645  Linum lewisii Gladys L. Smith 1972-6-20 3252 Placer just below Ward Peak Summit 2628 Comment
  UC17252  Linum lewisii C. J. Fox Jr. July, 1895 Placer near Squaw Valley Comment
  UC1334177  Lithocarpus densiflorus Thomas Morley 1946-9-28 814 Placer 2.5 mi nne Alta 1249 Comment
  CAS-BOT-BC36161  Lithocarpus densiflorus var. densiflorus C. B. Wolf 1930-10-11 55 Placer 8 miles west of Emigrant Gap on road to Colfax 1371 Comment
  CDA21151  Lithocarpus densiflorus var. echinoides G. F. Hrusa 1993-11-3 11467 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  UC1135297  Lithocarpus densiflorus var. echinoides N. French 1933-8-24 95 Placer Mosquito Ridge; Tahoe National Forest, Colfax Quad. 1524 Comment
  SACT002871  Lithocarpus densiflorus var. echinoides Michael Baad 1983-7-10 Placer 0.8 mile by road southeast of East Fork of North Fork of American Riveron road to Hellister Point from Emigrant Gap. Comment
  UCD160959  Lithophragma G. Ledyard Stebbins 1978-5-27 s.n. Placer El Dorado National Forest. East side of Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1219 Comment
  CAS-BOT-BC430964  Lithophragma bolanderi Alice Eastwood; John Thomas Howell 1937-5-8 4334 Placer Near Auburn on road to Grass Valley Comment
  CAS-BOT-BC430965  Lithophragma bolanderi G. L. Stebbins 1978-5-28 7877 Placer West side of Big Crater. 1280 Comment
  UC402485  Lithophragma bolanderi W. W. Mackie 1904-4 Placer near Auburn (American River Canyon); American River Canyon Comment
  UCD80763  Lithophragma bolanderi CNPS SN Foothill Team 2005-4-11 SNFN 0103 e Placer Placer Legacy, Spear's Ranch, above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  CAS-BOT-BC430967  Lithophragma bolanderi G. L. Stebbins 1978-5-27 s.n. Placer Along power line, east of Big Crater 1219 Comment
  CAS-BOT-BC441139  Lithophragma parviflorum G. L. Stebbins 1978-5-28 7891 Placer East end of Ralston Ridge 1554 Comment
  UCD22329  Lithophragma parviflorum Rex Palmer 1979-6-19 N 217 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC79326  Lithospermum ruderale C. F. Sonne June 1886 Placer <Road to Lake Tahoe> Comment
  SEINET4671414  Lolium multiflorum J. G. Wright, J. M. Wright 2000-3-27 000001 Placer From I-80 West, Reno to Sacramento, take the Lincoln exit. 91 Comment
  UCR207854  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14567 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  CAS-BOT-BC226936  Lomatium caruifolium var. denticulatum George K. Helmkamp; E. A. Helmkamp 2011-4-10 17169 Placer Sacramento Valley: along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  HSC82526  Lomatium utriculatum Thomas W. Nelson 1979-4-10 4581 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  SEINET9675004  Lomatium utriculatum M. Dailey 1959-4-12 11 Placer 4 miles east of Roseville on the north side of U.S. Highway 40. 76 Comment
  JEPS111196  Lonicera cauriana Steve Matson 2005-7-4 1369 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
  UC615456  Lonicera conjugialis Beryl O. Schreiber 1933-7-21 901 Placer above Homewood (near Mount Ellis Trail); Lake Tahoe Comment
  UC1125255  Lonicera interrupta C. R. Clar 1933-6-4 128 Placer near Newcastle; Sacramento Quadrangle Comment
  CHSC74080  Lonicera involucrata var. involucrata Susi Urie 1998-8-13 98 -033 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC200946  Lotus Hazelle A. Thomas; John H. Thomas 1956-7-21 6183 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  POM26985  Lotus I. E. Diehl 1902-7-7 53 Placer Colfax Comment
  UCR207900  Lotus denticulatus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14584 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
  RSA25275  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer 1 mile west of Baxter. Comment
  RSA671059  Lotus incanus G. Fred Hrusa 1997-5-26 13789 Placer Italian Bar Trail, N-facing slope to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. 1300 Comment
  RSA621876  Lotus oblongifolius var. oblongifolius R. S. Woglum 1934-08 1307 Placer Northern Sierra Nevada Mountains: Lake Tahoe. [Placer / El Dorado counties] Comment
  SEINET9325113  Lotus oblongifolius var. oblongifolius Unknown 1972-7-26 8855 Placer Ca 1 mi W of Cisco Grove on I-80, moist rdbanks at base and upslope UC Davis Herbarium Comment
  UCR152264  Lotus purshianus Beecher Crampton 1972-7-26 8836 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  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
  OBI60158  Ludwigia palustris David J. Keil, with Kathleen A. Keil 1999-7-17 28377 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  JEPS46162  Lupinus L. S. Smith 1928-6-9 2292 Placer s slope Squaw Valley; Tahoe Forest, s slope Squaw Valley 1828 Comment
  RSA87186  Lupinus adsurgens F. W. Peirson 1931-8-10 9551 Placer West shore of Lake Tahoe. 1905 Comment
  RSA11950  Lupinus albicaulis var. albicaulis Elmer I. Applegate 1928-4-22 5365 Placer Near and above Auburn. Along Grass Valley Road. Comment
  SEINET5327623  Lupinus albifrons A. Allen 1950-4-30 28 Placer 2 miles east of Auburn on Hwy 40. Comment
  SEINET5327624  Lupinus albifrons Polkinghorne 1964-3-21 s.n. Placer Near Auburn. 549 Comment
  SEINET5558508  Lupinus andersonii H. S. Gentry 1962-1 19758 Placer Near Auburn. 457 Comment
  UC15772  Lupinus andersonii Mrs. M. M. Hardy 1893-1 Placer Comment
  HSC33455  Lupinus apertus Thomas W. Nelson, Jane P. Nelson 1974-6-17 1354 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  POM10974  Lupinus apertus A. A. Heller 1909-7-16 9839 Placer Summit. 2134 Comment
  UC148924  Lupinus arbustus H. M. Hall 1910-6-28 8730 Placer Cisco; Sierra Nevada Mountains, Cisco 1828 Comment
  UC726156  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Donner Lake Comment
  UCD74125  Lupinus arbustus Jennifer W. Burt; Sarah Shannon 2005-7-8 159 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  CAS-BOT-BC8276  Lupinus arbustus subsp. silvicola Amos Arthur Heller 1909-7-16 9857 Placer Summit 2133 Comment
  CAS-BOT-BC208839  Lupinus argenteus var. meionanthus Frank W. Peirson 1931-8-10 9551 Placer Lake Tahoe 1905 Comment
  UC196047  Lupinus benthamii C. F. Sonne 1891-4-5 Placer Penryn Comment
  UCR176280  Lupinus benthamii George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10433 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  SD255737  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-3-21 22644 Placer Sacramentop Valley; Sheridan, Riosa Road at the west side of its junction with old CA 65. 32 Comment
  RSA43817  Lupinus bicolor subsp. microphyllus D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 610 Comment
  UCD83636  Lupinus breweri var. bryoides Albert Grigarick 2009-9-10 189 Placer Squaw Valley Resort, ridge near top of Links chairlift. 2499 Comment
  CDA27441  Lupinus grayi T. C. Fuller 1983-7-19 20419 Placer North side of Highway 20 to Nevada City, 3 km west of Interstate 80. 0 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
  UC1129681  Lupinus latifolius var. latifolius N. French 1933-5-15 52 Placer American River 609 Comment
  SEINET3151067  Lupinus laxiflorus var. silvicola A. A. Heller 1909-7-16 9857 Placer Summit 2134 Comment
  SEINET3246089  Lupinus lepidus var. confertus G. K. Helmkamp, E. A. Helmkamp 2007-1 12640 Placer Northern Sierra Nevada Mountains: 0.1 miles south of the Rainbow exit from Interstate-80, 0.5 miles east of Rainbow. 1789 Comment
  SEINET8051739  Lupinus lepidus var. lobbii M. J. Williams 1966-7-11 55 Placer Sierra Nevada, Luther Ridge, above Jamison creek 2286 Comment
  JEPS127425  Lupinus lepidus var. sellulus Steve Matson 1997-7-6 44 Placer nSNH Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UCR120253  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5063 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  SD237441  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15932 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  SD255744  Lupinus nanus George K. Helmkamp, Amy Barnes 2014-3-21 22626 Placer Sacramento Valley; Riosa Road at the east side of its junction with CA 65, just west of Sheridan. 32 Comment
  UC1586093  Lupinus nanus Barbara Ertter with David Thompson 1989-4-9 8197 Placer ne Auburn (halfway down road to Lake Clementine (= North Fork Lake)); dwn rd to Lake Clementine (= North Fork Lake), ne of Auburn 304 Comment
  UCR208546  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14674 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UC710398  Lupinus nanus C. P. Smith 1946-5-1 46245 Placer Hiway 99e, 1 mi s Sheridan (at Big Yankee Slough); , Big Yankee Slough Comment
  CHSC931  Lupinus polyphyllus var. burkei D. Crummet 1937-5-31 Placer About 14 mi. below Tahoe Tavern near Truckee. 1767 Comment
  SEINET8059977  Lupinus polyphyllus var. burkei Caldwell 1962-5-9 120 Placer 6 miles north of Auburn, Highway 40 610 Comment
  POM23947  Lupinus sellulus subsp. sellulus Marcus E. Jones 1882-1 s.n. Placer Emigrant Gap. Comment
  SD113429  Lupinus vallicola Darley F. Howe 1948-5-20 1861 Placer 4 miles north of Auburn 456 Comment
  RSA20895  Lupinus vallicola subsp. vallicola Carl B. Wolf 1937-3-30 8358 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  JEPS99467  Luzula cascadensis Steve Matson 2002-8-17 710 Placer Tahoe Basin, Antone meadows northwest of Tahoe City, Burton Creek, 3/4 miles west of dam 2072 Comment
  UCD142068  Luzula comosa Beecher Crampton 1966-4-14 7649 Placer 2.5 miles east of Lincoln. Comment
  CDA33222  Luzula comosa Jim Jokerst 1986-7-13 2721 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, in Sheet Valley. Comment
  JEPS103591  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  CDA5128  Lythrum salicaria K. Connolly 1991-7-24 Placer South side of Virginiatown Road, 0.5 mile east of McCourtney Road, Lincoln. 0 Comment
  CAS-BOT-BC342660  Madia citriodora K. Curran 1883-4-1 s.n. Placer Roseville Comment
  JEPS126353  Madia elegans Steve Matson 1998-7-27 346 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west of North Ave. at junction west fork of Snow Creek. Comment
  CAS-BOT-BC343776  Madia elegans J. Clausen 1932-9-16 652 Placer 5.1 miles southwest of Auburn, along the Gold Hill Road to Lincoln Comment
  CAS-BOT-BC344463  Madia exigua David D. Keck 1933-5-31 2427 Placer Just south of Auburn, on road to Roseville 305 Comment
  UCR194961  Madia exigua George K. Helmkamp, E. A. Helmkamp 2007-5-18 12007 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CAS-BOT-BC342840  Madia glomerata R. F. Hoover 1967-9-5 10846 Placer Carnelian Bay, Lake Tahoe Comment
  JEPS103272  Madia glomerata Lowell Ahart 2002-7-22 9878 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
  POM362230  Madia glomerata Fay A. MacFadden 1934-8-10 12938 Placer Cisco 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
  UC170026  Madia glomerata Miss Helen D. Geis 1912-6 169 Placer Deer Park Comment
  UC406894  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco w slope of Sierra Nevada Comment
  UCR171339  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2005-10-1 9973 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
  UCR240967  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19919 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  UCD134280  Madia gracilis Eric Brenner; John Hunter 1996-5-26 2 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  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
  UCR250292  Madia gracilis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20804 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CAS-BOT-BC343239  Madia gracilis David D. Keck 1932-6-30 1583 a Placer Ca. 4 miles S. of Colfax 640 Comment
  SBBG58728  Maianthemum racemosum M. N. Ackley -Jun-1925 675 Placer Summit 2138 Comment
  UCD139046  Maianthemum racemosum C. J. W. 1913-7-1 159 Placer Emigrant Gap. Comment
  UCR171021  Malus sylvestris George K. Helmkamp, E. A. Helmkamp 2006-2-9 10056 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  UCD107663  Marah fabacea Gordon H. True; John Thomas Howell 1972-3-17 7074 Placer Just south of Auburn Ravine, 1.5 miles west of Lincoln. 48 Comment
  UCR171033  Marah fabacea George K. Helmkamp, E. A. Helmkamp 2006-2-24 10067 Placer Sacramento Valley; edge of Sierra Nevada Foothills, Junction of Clark Tunnel Road and Calif. Highway 193, east of Lincoln 113 Comment
  POM68334  Marah watsonii Mary E. P. Ames 1891-04 s.n. Placer Auburn [Bottom of printed label:Taylorsville, Indian Valley, Plumas Co.] Comment
  UCD22011  Medicago lupulina Beth Lowe Corbin 1982-8-13 347 Placer 1/2 mile west of The Cedars. In damp, fine, sandy, soil in meadow. Flowers yellow. Mostly sun. West facing slope, 10% incline. Common. 1722 Comment
  JEPS65513  Medicago polymorpha W. H. Shockley June 1886 Placer Auburn Comment
  UCR249540  Medicago polymorpha George K. Helmkamp 2013-3-1 20149 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  CAS-BOT-BC269214  Melica aristata Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CAS-BOT-BC269215  Melica aristata California Academy of Sciences 1870-6-1 s.n. Placer Cisco, Sierra Nevada Mountains Comment
  CHSC79888  Melica aristata G. F. Hrusa; J. Glazner 1999-7-18 15234 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89 and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1905 Comment
  UC55049  Melica aristata Kellogg Placer Cidco; Sierra Nevada Mtns Comment
  CAS-BOT-BC269217  Melica aristata California Academy of Sciences 1870-6-10 s.n. Placer Cisco/Sierra Nevada Comment
  JEPS75173  Melica bulbosa Gladys L. Smith 1972-6-20 3261 Placer Ward Peak 2590 Comment
  CAS-BOT-BC269355  Melica californica Peter H. Raven 1953-5-10 5489 Placer Road to Placerville 1.7 miles from Auburn, in canyon of American River Comment
  SACT001500  Melica californica Josephine Van Ess 1974-5-5 Placer collected about .5 mile north of county line in area where Linda Creek forms a narrow steep sided ravine. Lightly shaded bank. 91.5 Comment
  UCD86450  Melica californica Beecher Crampton 1957-5-7 3980 Placer 3.2 miles north of city of Roseville, along railroad and U.S. Highway 99E. Comment
  SACT001502  Melica californica Josephine Van Ess 1980-5-7 Placer Collected about 1 mile east of highway 49. roadside serpentine area. 4146.0 Comment
  SACT001497  Melica californica var. nevadensis Michael Baad 1983-5-7 Placer 2.4 miles south of Colfax on Iowa Hill Road, descending to North Fork of American River. 978.0 Comment
  CAS-BOT-BC282062  Melica fugax 1870-6-17 s.n. Placer Cisco, Sierra Nevada Mts Comment
  UCD87275  Melica fugax A. A. Heller 1917-6-17 12699 Placer Yuba River. Comment
  UCR146664  Melica harfordii Beecher Crampton 1955-6-15 2884 Placer Sierra Nevada Mountains, Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road 518 Comment
Read comments
Oct 11 2010
  SACT001529  Melica stricta Michael Baad 1976-8-25 Placer ridge north of and including Twin Peaks. 3.5 miles northwest of Homewood. 2500.0 Comment
  SACT001538  Melica torreyana Michael Baad 1983-4-17 Placer Descending to Middle-Fork of the American River; serpentine outcrop 411.48 Comment
  SACT001540  Melica torreyana Michael Baad 1983-4-17 Placer 411.48 Comment
  UCR146868  Melilotus albus Beecher Crampton 1972-7-26 8848 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  UCR258208  Mentha arvensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20048 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  RSA409911  Mentha canadensis Wm. Martin 1972-9-10 20226 Placer 1 mile east of Weimer on Hwy 80 Comment
  SEINET191612  Mentzelia dispersa Lewis S. Rose 1941-7-12 41313 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  UC108372  Mentzelia dispersa C. F. Sonne 1885-7-11 Placer Sierra Nevada, Truckee Comment
  SCFS1044  Micranthes bryophora E. Krimmel 2014-8-7 Placer high alpine meadow Comment
  CAS-BOT-BC429027  Micranthes nidifica C. F. Sonne 1884-8-24 90 Placer Sierra Nevada Mts. Above Coldstream Comment
  CAS-BOT-BC349323  Microseris nutans L. S. Smith 1926-5-26 1868 A Placer Tahoe National Forest. Duncan Canyon 1676 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
  JEPS88683  Microseris nutans L. S. Smith 1926-5-25 1852 Placer below Millers Defeat (Mosquito Ridge); , Tahoe Forest 1676 Comment
  CAS-BOT-BC349330  Microseris nutans Alice Eastwood 1912-6-15 s.n. Placer Dear Park, Lake Tahoe Region Comment
  SEINET11602003 Image available Microseris nutans L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  CHSC62188  Microseris sylvatica K. L. Chambers 1962-4-22 2125 Placer Hwy. 65, 1.4 mi. n. of the railroad overpass at Roseville, on road to Lincoln. Roadside. Comment
  RSA122922  Microsteris gracilis subsp. gracilis N. H. French 1934-6-22 481 Placer Half mile west of Lake Van Norden. 2134 Comment
  RSA0012160  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17688 Placer Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  UCD144313  Mimulus aurantiacus G. F. Hrusa 1995-5-20 12185 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  UC566985  Mimulus aurantiacus var. grandiflorus N. French 1934-5-29 376 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle 1463 Comment
  UCD122310  Mimulus aurantiacus var. grandiflorus A. S. Crafts 1926-5-1 1950 Placer American River Canyon. Comment
  UC943801  Mimulus aurantiacus var. grandiflorus H. E. McMinn 1945-10-20 5502 Placer 1 1/2 mi w Lake Spaulding (ca. 40 yds from Bear River Bridge, e end of Bear Flats) 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
  CDA15978  Mimulus breweri G. F. Hrusa, J. Glazner 1999-7-17 15163 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC193048  Mimulus breweri C. F. Sonne June, 1897 Placer canyon above Coldstream Comment
  UCR231861  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16775 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  JEPS59499  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-10 253 Placer Deer Park Sierra Nevada Mts. 1920 Comment
  RSA447927  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD40888  Mimulus guttatus Heidi Haugen 1984-4-15 3 Placer Folsom Lake westside. 22 Comment
  UCR190712  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR193362  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12183 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
  UC27118  Mimulus kelloggii H. N. Bolander 1865-4-10 4521 Placer Auburn Comment
  JEPS111131  Mimulus kelloggii Steve Matson 2005-4-17 1222 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  SCFS1215  Mimulus leptaleus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top Meadow Comment
  SCFS1166  Mimulus lewisii E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  UC194066  Mimulus lewisii C. F. Sonne July 1884 Placer along creek above Coldstream Comment
  CDA41694  Mimulus lewisii Rex Palmer 1979-7-25 N 676 Placer Headwaters Basin Area of the North Fork of the American River. 0 Comment
  RSA0013385  Mimulus mephiticus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road. 1662 Comment
  UC125208  Mimulus moniliformis Katharine Brandegee July 1908 Placer near Cisco Comment
  UC702887  Mimulus moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney) Lake Tahoe 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
  CHSC81824  Mimulus moschatus Lowell Ahart 2001-10-10 9357 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  UCD21877  Mimulus moschatus Beth Lowe Corbin 1982-8-10 289 Placer 3/4 mile west of Onion Creek campground. 2023 Comment
  UCD75683  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5132 a Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, near underdeveloped road that crosses the creek. 2106 Comment
  UCD75956  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5211 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
  UC1063013  Mimulus primuloides subsp. primuloides H. S. Yates 1936-8-9 128 Placer 2 mi sw Martis Pk.; Truckee Quadrangle Comment
  UCD44420  Mimulus primuloides var. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1786 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC124404  Mimulus tilingii T. S. Brandegee Sept. 1888 Placer Donner Comment
  UCD42783  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 149 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  RSA757271  Mimulus torreyi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15196 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  RSA20893  Minuartia californica C. B. Wolf 1937-3-30 8356 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  UC465579  Minuartia californica Francis Ramaley 1917-4-13 11105 Placer Lincoln Comment
  SCFS5109  Minuartia douglasii F. Felix, Erica Krimmel 2013-5-19 10 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  CAS-BOT-BC432978  Mitella breweri Emily McPherson 1976-6-12 76- 5 -1 Placer Loch Leven Lakes 2072 Comment
  RSA320412  Mitella breweri James R. Shevock 1979-6-23 6267 Placer Along the Yuba River adjacent to Interstate 80. Tahoe National Forest. 1829 Comment
  UC1221747  Modiola caroliniana Beecher Crampton 1959-7-23 5427 Placer about 6 mi n of Folsom (vicinity of Stallman Corner's) Comment
  SEINET10911429  Mollugo verticillata Lowell Ahart 2007-11-13 Ahart 14598 Placer T14N, R6E, northeast 1/4 Section 27. Normal size plants, on dry mud, on the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. Foothill Woodland (destroyed). 242 Comment
  CAS-BOT-BC221668  Monardella candicans Marcus E. Jones 1882-7-4 3458 Placer Colfax Comment
  CAS-BOT-BC314188  Monardella odoratissima subsp. pallida H. M. Hall 1910-7-1 8731 Placer Cisco 1828 Comment
  SD243167  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-8-14 16771 Placer Northern Sierra Nevada Mountains: Deadwood Road, 1.2 miles south of its junction with Forest Hill Road. Roadside bank. 1563 Comment
  UC2035893  Monardella odoratissima subsp. pallida G. W. Fetters 1929-7-10 Placer near Pomin's; Lake Tahoe Comment
  CAS-BOT-BC318591  Monardella odoratissima subsp. pallida Mrs. H. C. Cantelow 1938-7-2 2268 Placer 8 mi N of Auburn Comment
  RSA401652B  Monardella odoratissima subsp. pallida Julian P. Donahue 1976-7-4 s.n. Placer Blackwood Canyon, approx. 5 miles SW of Tahoe City 2134 Comment
  SEINET5333350  Monardella odoratissima subsp. pallida H. A. Walker 1908-7-25 1389 Placer Cisco 1811 Comment
  POM296671  Monardella odoratissima subsp. pinetorum L. S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1921 Comment
  UCD43991  Montia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1357 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
Read comments
Aug 7 2007
  CAS-BOT-BC444732  Montia chamissoi Marcus E. Jones 1882-6-28 2628 Placer Emigrant Gap Comment
  UCR120233  Montia chamissoi George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5069 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-BC445125  Montia parvifolia Marcus E. Jones 1882-6-1 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC260646  Muhlenbergia filiformis L. R. Abrams 1917-9-16 6771 Placer Emigrant Gap to Cisco Comment
  JEPS14348  Muhlenbergia filiformis Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, D. Zohary, J. Hunziker, H. Stutz, F. Ehrendorfer 1952-7-20 3885 Placer s slope of serpentine hill just s Shirttail Public Camp (7 mi e of Iowa Hill) 1158 Comment
  RSA129351  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer 2 miles southwest of Martis Peak. 2287 Comment
  SEINET4672123  Muhlenbergia filiformis M. J. Williams 1974-8-8 74 -PL-37 Placer Murphy's Meadow, 5 mi. SW of Hirschdale 2316 Comment
  CHSC68075  Muhlenbergia richardsonis James D. Jokerst 1986-7-12 2690 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  SBBG116113  Muhlenbergia rigens B. Crampton 1969-11-13 8530 Placer Weimar on Interstate 80 685 Comment
  UCD87000  Muhlenbergia rigens Beecher Crampton 1969-11-13 8530 Placer Placer County, Weimar on Interstate 80 eastbound. 685 Comment
  UCD148973  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 dam at Tahoe City. Comment
  UCR216030  Nama lobbii George K. Helmkamp, Amy Barnes 2009-7-12 15186 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  SD247382  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-3-3 20501 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 miles east (87 degrees) of Forest Hill. 422 Comment
  UCD75681  Navarretia divaricata Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5130 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, near underdeveloped road that crosses the creek. 2106 Comment
  JEPS59486  Navarretia divaricata Ezra Brainerd and Viola B. Baird 1915-7-31 236 Placer Nevada City, Hospital Farm Sierra Nevada Mts. 1524 Comment
  LA206582  Navarretia divaricata G. T. Nordstorm; 1934-6-21 150 Placer 0.4 mi. W by NW of Mammoth Springs 1706 Comment
  CHSC82649  Navarretia divaricata subsp. divaricata Lowell Ahart 2002-7-22 9896 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
  SEINET3861933  Navarretia divaricata subsp. divaricata Genevieve K. Walden 2009-6-25 211 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  POM74987  Navarretia filicaulis Anonymous 1882-7-3 3417 Placer Colfax Comment
  UC879942  Navarretia filicaulis Marcus E. Jones, A. M. 1882-7-3 3417 Placer Colfax Comment
  UC726840  Navarretia intertexta A. A. Heller 1919-7-24 13294 Placer near Cisco Comment
  UC908642  Navarretia intertexta subsp. propinqua Herbert L. Mason Placer n of Lake Tahoe; Squaw Creek Valley 1889 Comment
  JEPS59483  Navarretia leptalea subsp. bicolor Ezra Brainerd and Viola B. Baird 1915-7-25 229 Placer Deer Park road Sierra Nevada Mts. 1981 Comment
  UC572518  Navarretia leptalea subsp. leptalea N. French 1934-6-22 468 Placer Serena Lake Tahoe National Forest, Truckee Quad. 2407 Comment
  JEPS69640  Navarretia leptalea subsp. leptalea Leland S. Smith 1925-7-10 1669 Placer flats along Picayune Creek; Tahoe National Forest, along Picayune Creek Comment
  UC660002  Navarretia leucocephala Lincoln Constance 1941-5-28 2820 Placer 2 mi n Lincoln; Sacramento Valey 60 Comment
  CHSC84557  Navarretia leucocephala subsp. leucocephala John Dittes 2003-5-25 2003 -27 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  UCD48634  Navarretia tagetina Anneta Carter 1945-11-4 1737 Placer Permanent pool between highway and railroad enbankment; 3.5 miles northwest of Roseville, Placer County. Comment
  CHSC24707  Nemophila heterophylla T. C. English 1976-4-18 34 Placer N side of abandoned R. R., n fork of the American River, 2 1/4 mi w of Hwy 49 bridge. 335 Comment
  UCD15172  Nemophila heterophylla Phyllis Adams 1982-4-24 20 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 365 Comment
  UCR253529  Nemophila heterophylla George K. Helmkamp, Amy Barnes 2014-4-23 22793 Placer Sierra Nevada Mountains Foothills, Old Auburn-Foresthill Road, 1.7 miles northeast of its junction with CA-49 at North Fork American River 407 Comment
  CHSC700  Nemophila menziesii 1947-3-22 Placer Lincoln. 91 Comment
  RSA20888  Nemophila menziesii var. menziesii Carl B. Wolf 1937-3-30 8351 Placer Sacramento Valley, 3.4 miles east of Lincoln on Penryn Road. 76 Comment
  SD241051  Nemophila pulchella var. fremontii George K. Helmkamp, E. A. Helmkamp 2010-4-17 15901 Placer Northern Sierra Nevada Mountains Foothills: along CA-49, 2.5 miles southeast of Pilot Hill (Colloma 7.5'Q) 270 Comment
  UCD38899  Nicotiana acuminata var. multiflora Beecher Crampton 1959-7-23 5422 Placer 6 miles north of Folsom. Comment
  UCD39233  Odontostomum hartwegii Beecher Crampton 1955-6-15 2869 Placer Bunch Canyon Head. Comment
  UCR200878  Oenothera elata subsp. hirsutissima George K. Helmkamp, E. A. Helmkamp 2008-9-15 14096 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  CAS-BOT-BC349974  Oreostemma alpigenum var. andersonii Peter Rubtzoff 1976-9-18 8841 Placer Lake Van Norden 2063 Comment
  UC615292  Orobanche californica subsp. grayana Beryl O. Schreiber 1932-9-11 764 Placer Near Summit. Comment
  JEPS11676  Orobanche californica subsp. grayana Rowena Beans 1914-9-7 Placer Tahoe Tavern Comment
  JEPS72372  Orobanche fasciculata Gladys L. Smith 1972-6-20 3605 Placer Ward Peak, above Sherwood Forest. Comment
  UCR173258  Orobanche uniflora George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10446 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  CAS-BOT-BC458060  Orthilia secunda John H. Thomas; Hazelle A. Thomas 1956-7-21 6202 Placer Sierra Nevada. Vicinity of Doner Pass, about 80 miles NE of Sacramento 2377 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
  UCR148840  Orthocarpus cuspidatus G. Fred Hrusa, J. Glazner 2001-7-15 15951 Placer Northern Sierra Nevada Mountains, Near summit of Crows Nest Peak, immediately west of Sugarbowl 2378 Comment
  UCD21898  Orthocarpus cuspidatus subsp. cryptanthus Beth Lowe Corbin 1982-8-4 241 Placer 1 1/2 mile north of Onion Creek campground. 2255 Comment
  RSA516502  Orthocarpus hispidus W. L. Jepson 1931-6-16 15929 Placer Tahoe Vista, Lake Tahoe. 2043 Comment
  POM153464  Orthocarpus hispidus Philip A. Munz 1928-6-25 11088 Placer Tahoe Camp, USFS, Lake Tahoe. 2073 Comment
  RSA790860  Osmorhiza George K. Helmkamp, E. Helmkamp 2012-5-11 18947 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  UCD43019  Osmorhiza berteroi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 388 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CDA15653  Osmorhiza chilensis G. F. Hrusa, J. Glazner 1999-7-18 15188 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  JEPS126312  Osmorhiza occidentalis Steve Matson 1998-8-21 382 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave. Comment
  CDA15682  Paeonia brownii G. F. Hrusa, J. Glazner 1999-7-18 15232 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  SEINET208826 Image available Paeonia brownii Edward L. Smith 1967-6-17 sn Placer 1 mile east of Emigrant Gap 1620 Comment
  UCD102576  Paeonia brownii Edward L. Smith 1967-6-17 s.n. Placer 1 mile east of Emigrant Gap. 1615 Comment
  UCD22103  Paeonia brownii Rex Palmer 1979-6-20 N 347 Placer Headwaters basin area of the North Fork of the American River. 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
  UCD124126  Panicum acuminatum var. fasciculatum Ellen Dean; Marcel Rejmanek 2012-10-9 7500 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD88542  Panicum acuminatum var. fasciculatum Beecher Crampton 1975-9-9 9279 Placer Gold Run rest area on Hwy. 80 W. Comment
  UCD34029  Panicum capillare subsp. hillmanii Beecher Crampton 1975-9-9 9281 Placer Placer County, Alta, Hwy. 80. 1188 Comment
  SACT001648  Panicum pacificum Michael Baad 1976-8-4 Placer Royal Gorge-Wabena Creek to Wild Cat Canyon Comment
  JEPS113293  Parentucellia viscosa L. P. Janeway 2006-5-10 8593 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. Comment
  UCD88726  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer 1 mile west of Auburn, along U.S. Highway 40. Comment
  UCD88755  Paspalum dilatatum Collector Unknown 1939-6-23 s.n. Placer Catlin, Auburn. Comment
  SD4772  Pedicularis attollens C. F. Sonne Aug 1897 Placer Above Coldstream Comment
  UC128142  Pedicularis attollens Miss Harriet A. Walker 1470 Placer near Cisco Lake; Cisco Comment
  UC373264  Pedicularis semibarbata Marcus E. Jones, A. M. Jun 1882 Placer Emigrant Gap Comment
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Sep 7 2010
  UCR242362  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16659 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  RSA686842  Pellaea bridgesii May N. Ackley 1925-07 71 Placer Near Emigrant Gap 1677 Comment
  UCD75751  Pellaea bridgesii Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5218 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  SEINET9885426  Penstemon azureus David J. Keil 1978-1 12930 Placer Cisco Grove exit from I-80, just E of Nevada Co line; around South fork of Yuba River 1768 Comment
  POM44123  Penstemon azureus subsp. azureus Marcus E. Jones 1882-7-1 3436 Placer Emigrant Gap. Comment
  RSA285608  Penstemon azureus subsp. azureus D. C. Michener 1981-7-15 4008 Placer Sierra Nevada. Above Hampshire Rocks campground (near Big Bend exit of I-80). Comment
  UC103094  Penstemon azureus var. azureus C. F. Sonne July 1889 Placer <?> Donner Lake (Strongs Canyon C.P.R.R.); Sierra Nevada, above Donner Lake, Strongs Canyon C.P.R.R. Comment
  UC163936  Penstemon azureus var. azureus H. M. Hall 1910-6-19 8702 Placer Cisco 1800 Comment
  JEPS15127  Penstemon deustus N. French 1934-6-22 439 Placer 1/2 mi w Lake Van Norden; Tahoe N.F., Truckee Quadrangle Comment
  UC1063380  Penstemon deustus H. S. Yates 1934-6-29 3901 Placer near Craigs; Tahoe National Forest, Truckee Quad. 1981 Comment
  NY600755  Penstemon gracilentus C. F. Sonne 07 1888 4675 Placer Woods on Truckee River Comment
  UCD162564  Penstemon heterodoxus var. cephalophorus Steve Matson 2004-7-31 1074 Placer nSNH; Tahoe Basin; Blackwood Canyon (west shore), about 1 mile ESE of Barker Pass. 2407 Comment
  CAS-BOT-BC264483  Penstemon heterodoxus var. heterodoxus John Thomas Howell 1943-7-22 18705 Placer Summit Valley Comment
  UCD83642  Penstemon heterodoxus var. heterodoxus Albert Grigarick 2009-9-10 195 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  RSA78006  Penstemon heterophyllus subsp. purdyi Verne Grant, Alva Grant 1947-05 7971 Placer Weimar. 671 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
  UCD124279  Penstemon laetus Beecher Crampton 1969-7-1 8487 Placer 1/4 mile west Emigrant Gap P.O. Interstate Hwy. 80 eastbound. Comment
  UCR261295  Penstemon laetus L. S. Rose 1968-6-9 68070 Placer Sierra Nevada Mtns., Alta 1067 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
  POM283535  Penstemon newberryi Lyman D. Benson 1933-6-26 4534 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  SCFS1211  Penstemon newberryi E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  POM44112  Penstemon newberryi subsp. newberryi Marcus E. Jones 1982-6-28 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC239279  Penstemon newberryi var. berryi L. S. Smith 1928-6-27 2392 Placer Tahoe National Forest, Deer Park along 5-Lakes Trail 1981 Comment
  CAS-BOT-BC239282  Penstemon newberryi var. berryi Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe Comment
  JEPS15336  Penstemon roezlii N. French 1934-5-28 372 Placer 1 1/2 mi w Black Mountain; Tahoe National Forest, Colfax Quad., w of Black Mountain 1767 Comment
  SEINET4560774  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-1 16647 Placer Northern Sierra Nevada Mountains; Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill. 1384 Comment
  UC147631  Penstemon roezlii Harriet A. Walker 1908-6-24 1254 Placer Blue Canyon (Blue Canon) Blue Canyon 1432 Comment
  UCR207116  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2009-7-16 15225 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
  UCR231009  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16797 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  POM98174  Penstemon roezlii E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
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Jan 1 2016
  CAS-BOT-BC239581  Penstemon rydbergii var. oreocharis L. S. Smith 1939-7-1 s.n. Placer Ice Lakes, Tahoe National Forest 609 Comment
  CDA15986  Penstemon rydbergii var. oreocharis G. F. Hrusa, J. Glazner 1999-7-17 15166 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74278  Penstemon rydbergii var. oreocharis Susi Urie 1998-9-2 98 -217 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  SEINET5643585  Penstemon rydbergii var. oreocharis Ellen Dean, M. Starbuck; K. F. Mawdsley; G. Harrington; M. Bibbo; J. Poloske 2008-7-20 5210 Placer Donner State Park, newly acquired lands to SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the west of large off-road vehicle area.; 0 2255 Comment
  UCD162556  Penstemon rydbergii var. oreocharis Steve Matson 1998-6-21 262 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 meters north of Highway 267, east of logging road by lone pine tree. 1780 Comment
  UCD162579  Penstemon rydbergii var. oreocharis Steve Matson 2003-6-22 811 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork south of bog. 1920 Comment
  UC1137579  Penstemon speciosus N. French 1934-6-22 456 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. Comment
  UC480750  Penstemon speciosus W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Lake Tahoe Region, Top of Ellis Peak Comment
  UCR240904  Penstemon speciosus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19226 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UC27437  Penstemon sudans C. J. Fox Jr. July 1893-July 1895 Placer near Squaw Peak; near Squaw Peak Comment
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Sep 7 2007
  SEINET6626622  Pentagramma triangularis H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River Comment
  UCR208543  Pentagramma triangularis subsp. triangularis George K. Helmkamp, E. A. Helmkamp 2009-5-7 14609 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  CHSC74181  Perideridia lemmonii Susi Urie 1998-9-2 98 -211 Placer Below Hwy 28, between the highway and lake Forest Road; about 0.2 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  UCD21672  Perideridia parishii Beth Lowe Corbin 1982-8-10 293 Placer 3/4 mile WSW of Onion Creek campground. In rocky, fine, sandy and organic soil. Flowers white. Mostly shade. SE facing slope, 10% incline. Uncommon. 2023 Comment
  CDA15947  Perideridia parishii subsp. latifolia G. F. Hrusa, J. Glazner 1999-7-17 15156 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC419153  Persicaria maculosa Catherine Best 1985-9-15 1151 Placer Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  RSA293426  Petrorhagia dubia Reino Alava 1958-5-3 2021 Placer Near the Forestry Station at Auburn. 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
  UC1208873  Phacelia heterophylla subsp. virgata G. T. Nordstrom 1934-6-22 154 Placer Mammoth Springs Tahoe National Forest, Colfax Quadrangle Comment
  UCR250070  Phacelia heterophylla subsp. virgata George K. Helmkamp, Mary Alice Barnes 2013-5-3 20487 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UC579287  Phacelia hydrophylloides B. Bolt 1934-7-16 122 Placer 1 mi ne Lost Emigrant Mine (between Middle and North Forks of the American River w of Needle Peak); Tahoe National Forest, Truckee Quadrangle 2042 Comment
  RSA0009549  Phacelia marcescens Marcus E. Jones 1882-6-27 3294 Placer Emigrant Gap. Comment
  UC1048666  Phacelia mutabilis Lewis S. Rose 1941-7-11 41311 Placer Chambers Lodge (McKinney) Lake Tahoe 1950 Comment
  UC147628  Phacelia mutabilis Harriet A. Walker 1908-6-24 1267 Placer Blue Canyon 1432 Comment
  UC735083  Phacelia mutabilis Lincoln Constance 1946-7-2 3094 Placer above river 1 mi se Squaw Creek; Truckee River 1828 Comment
  CAS-BOT-BC6854  Phacelia namatoides Albert Kellogg 1870-6-23 s.n. Placer Sierra Nevada Mts.: Cisco. Comment
  CDA16037  Phacelia racemosa G. F. Hrusa, J. Glazner 2000-9-3 15676 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCR233399  Phacelia racemosa George K. Helmkamp, E. A. Helmkamp 2011-8-26 18174 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  SEINET5506818  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer Cisco 1804 Comment
  JEPS71503  Phacelia ramosissima Gladys L. Smith 1972-6-20 3246 Placer steep slope just below Ward Peak summit 2628 Comment
  CHSC40961  Phacelia stebbinsii J. D. Jokerst 1984-6-19 2060 Placer Scattered on moss-covered portions of metamorphic bedrock outcrop that forms a spur ridge that parallels a small creek feeding into Long Canyon Creek from the north. Plants mostly west side of side creek. 1036 Comment
  UCD120688  Phacelia stebbinsii G. L. Stebbins 1977-7-9 7762 Placer Along trail from McKinistry Lake to Hell Hole Reservoir. 1706 Comment
  SACT001699  Phalaris arundinacea D. Meyer 1984-7-21 Placer Near golf course. 2000.0 Comment
  SACT001709  Phalaris lemmonii D. Meyer 1983-5-15 Placer Field at Southeast corner. 36.6 Comment
  CAS-BOT-BC77388  Philadelphus lewisii Marcus E. Jones 1882-7-3 3586 Placer Colfax Comment
  SACT001749  Phleum pratense D. Meyer 1983-9-10 Placer Near parking lot, moist streambank and meadow. 1879.0 Comment
  RSA654891  Phleum pratense G. Fred Hrusa, J. Glazner 1997-8-3 14023 Placer Corner of Hwy 89 & Squaw Valley Road., 39 deg 12' N, 120 deg 12' W. 2000 Comment
  JEPS127438  Phlox diffusa Steve Matson 1999-6-12 405 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/kings Beach; dirt road extension of Tiger Ave. heading west. Comment
  UC880431  Phlox douglasii subsp. rigida Alice Eastwood Jun 15 1912-Jun 19 1912 426 Placer Deer Park Lake Tahoe Region Comment
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Aug 15 2009
  CDA12402  Phlox gracilis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8530 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS71318  Phlox gracilis Gladys L. Smith 1972-6-20 3268 Placer lower flanks of Ward Peak Ward Peak 2286 Comment
  UCR233386  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2011-8-26 18173 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  UCD22353  Phoenicaulis cheiranthoides Rex Palmer 1979-6-21 N 427 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC135092  Phoradendron juniperinum Ira L. Wiggins 1930-10-12 5084 Placer near Cisco 1981 Comment
  UCD150574  Phoradendron juniperinum James A. Neilson Jr. 1971-7-2 2170 Placer Tahoe Basin, Brockway Springs. 1901 Comment
  SEINET10327162  Phoradendron serotinum subsp. macrophyllum J. Prida 1972-10-8 s.n. Placer 5 miles S of Auburn, roadside. 518 Comment
  UC199690  Phoradendron villosum C. F. Sonne 1878-1 Placer Dutch Flat Comment
  CAS-BOT-BC58831  Phyllodoce breweri M. E. Parsons 1910-7-7 s.n. Placer Lake Tahoe - Madden Creek Meadows Comment
  SEINET7270713  Phyllodoce breweri W. D. Billings 1951-8-21 2151 Placer Sierra Nevada, east side of Granite Chief 2621 Comment
  SACT001770  Phyllostachys nigra Josephine Van Ess 1977-7-1 Placer Collected south of Folsom Auburn Road about 5/8 mile. Low wet road. 176.8 Comment
  UCR258219  Picris echioides George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20052 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  CAS-BOT-BC78461  Pinus contorta subsp. murrayana Geo. B. Grant 1906-7-15 6997 Placer Tahoe Taver, Lake Tahoe 1889 Comment
  CAS-BOT-BC78463  Pinus contorta subsp. murrayana Baki Kasapligil 1974-10-6 4912 Placer Soda Springs, Sugar Bowl 1828 Comment
  UCR171397  Pinus contorta subsp. murrayana George K. Helmkamp, E. A. Helmkamp 2005-10-1 9976 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
  RSA0116435  Pinus contorta var. murrayana Lyman Benson 1932-7-31 4017 Placer Donner Lake, Truckee River Watershed, Sierra Nevada. 1890 Comment
  HSC1505  Pinus jeffreyi R. A. Magie 1964-3-27 17 Placer 10 mi. E of Grass Valley along Hwy. 20 Comment
  UC1134121  Pinus jeffreyi R. W. Lundh 1933-4-26 233 Placer 3 mi s Signal Peak; Colfax Quadrangle Comment
  UCD23235  Pinus jeffreyi Beth Lowe Corbin 1982-8-25 420 Placer Onion Creek campground. 1841 Comment
  UCD133235  Pinus lambertiana Beecher Crampton 1970-11-10 8652 Placer Nyack. 1524 Comment
  UCD23233  Pinus lambertiana Beth Lowe Corbin 1982-8-20 394 Placer 1 mile northwest of Onion Creek campground. 2072 Comment
  UCD133282  Pinus ponderosa Beecher Crampton 1960-11-2 5799 Placer town of Gold Run. 975 Comment
  UCR215977  Piperia transversa George K. Helmkamp, Amy Barnes 2009-7-12 15175 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UCD34186  Pistacia atlantica Beecher Crampton 1977-9-30 9532 Placer Placer County, Applegate. Comment
  UCD22151  Plagiobothrys Rex Palmer 1979-6-9 N 180 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22153  Plagiobothrys Rex Palmer 1979-5-27 N 47 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR198419  Plagiobothrys greenei George K. Helmkamp, E. A. Helmkamp 2008-4-17 13288 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CAS-BOT-BC230946  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 444 Placer Lake Tahoe Region. Tahoe City Comment
  CHSC73035  Plagiobothrys hispidulus L. P. Janeway 1998-8-6 5965 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
  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
  UC480693  Plagiobothrys hispidus H. F. Copeland 1931-7-29 Placer n end of Lake Tahoe; n end Lake Tahoe Comment
  UCD120892  Plagiobothrys nothofulvus John R. Davey 1966-5-14 34 Placer ca. 4 miles southwest of Colfax and 3 miles south of U.S. Highway 40. 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
  UC660019  Plagiobothrys stipitatus var. micranthus Lincoln Constance 1941-5-28 2822 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  SDSU5434  Plagiobothrys trachycarpus D. F. Howe 1951-5-1 2105 Placer 457 Comment
  SBBG128602  Plagiobothrys undulatus G. K. Helmkamp, E. A. Helmkamp 2011-5-12 17255 Placer S of Lincoln along Athens Ave, 1.6 mi E of Fiddyment Rd, 0.6 mi W of Industrial Ave 41 Comment
  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
  SEINET8665599  Plantago erecta S. Aarstad 1979-4-1 s.n. Placer 1/2 mile E of junct. of old & new Auburn- Forest Hills Road 792 Comment
  POM69140  Plantago lanceolata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UCR258537  Plantago lanceolata George K. Helmkamp, Amy Barnes 2014-3-21 22625 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 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-BC136638  Platanthera John H. Thomas; Hazelle A. Thomas 1956-7-21 6201 Placer Field redacted by CAS, contact the data manager for more information 2377 Comment
  UCD44022  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1388 Placer Lake Tahoe Basin. Comment
  SJSU9113  Platanthera dilatata var. leucostachys N. D. Addy 1962-7-8 174 Placer Hwy 89, 1.5 mi N of Fallen Leaf Lake 1920 Comment
  SJSU9122  Platanthera sparsiflora Robert L. Fisher 1959-8-5 Placer Emigrant Meadow at head of Sugar Bowl Creek (S Fork Yuba R) 3 mi S of Norden 2286 Comment
  UC117003  Platanthera sparsiflora C. F. Sonne 1892-7-24 Placer woods on Truckee River Sierra Nevada Mountains, Truckee River Comment
  UCD22069  Platanthera sparsiflora Rex Palmer 1979-7-11 N 536 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22070  Platanthera sparsiflora Rex Palmer 1979-7-25 N 680 Placer Headwaters basin area of the North Fork of the American River Comment
  UC635444  Platystemon californicus Dorothy Tebbe 1930-4-5 94 Placer near Roseville; near Roseville Comment
  UC942762  Plectritis ciliosa subsp. ciliosa Peter H. Raven, G. L. Stebbins Jr. 1952-4-20 3998 Placer 2.5 mi s of Bear River Crossing (on road to Auburn) 335 Comment
  UCR257072  Plectritis ciliosa subsp. insignis George K. Helmkamp, Amy Barnes 2014-4-23 22784 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
  UC195864  Pleuricospora fimbriolata C. F. Sonne July 1897 Placer near Truckee (above Schafer Sawmill, Sierra Nevada Mountains); Sierra Nevada Mountains Comment
  UC557890  Pleuricospora fimbriolata C. F. Sonne Aug., 1896 Placer above Martis Valley (Sierra Nevada Mountains); Sierra Nevada Mountains 2133 Comment
  UCR235693  Poa George K. Helmkamp, E. A. Helmkamp 2012-5-5 18918 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  UCD160962  Poa G. Ledyard Stebbins 1978-5-29 78105 Placer Above Rubicon (River?). [Probably in vicinity of Ralston Ridge based on other collections made on this date.] Comment
  SACT001785  Poa annua Josephine Van Ess 1976-3-15 Placer Collected just west of Barton Road. Edge of orchard. 103.7 Comment
  UCR249608  Poa annua George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20836 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  CAS-BOT-BC254755  Poa bolanderi John Thomas Howell 1943-7-22 18711 Placer Summit Valley Comment
  CHSC68076  Poa bolanderi James D. Jokerst 1986-7-12 2689 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  UCD21589  Poa bolanderi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1252 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
  UCD22229  Poa bolanderi Beth Lowe Corbin 1982-8-17 365 Placer 2 miles SW of The Cedars. N facing slope, 20% incline. Occasional. Mostly sun. Forming small tufts in fine, sandy, disturbed soil in logged white fir forest. Foliage glaucous. 1859 Comment
  SACT001828  Poa canbyi Michael Baad 1976-6-16 Placer To stream crossing. Comment
  UCD37041  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Placer County, Blue Canyon. 1432 Comment
  CHSC67744  Poa cusickii subsp. epilis James D. Jokerst 1986-7-13 2740 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap' on trail. Comment
  SACT001859  Poa incurva D. Meyer 1983-8-20 Placer To summit at first lake steep rocky trail with some moist meadow areas. 2000.0 Comment
  CAS-BOT-BC246865  Poa nervosa John Thomas Howell 1943-7-26 18857 A Placer Between Sugar Bowl and Norden Comment
  SACT001869  Poa nevadensis D. Meyer 1983-6-16 Placer 1624.0 Comment
  SACT001878  Poa nevadensis Michael Baad 1976-6-10 Placer 1.5 miles from French Meadows on trail to Robinson Flat, heavily forested zone with opening, white and red fir with incense cedar. 1612.0 Comment
  CHSC75340  Poa palustris Susi Urie 1998-8-29 98 -156 Placer Lake Tahoe Basin-National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  SACT001890  Poa palustris D. Meyer 1984-8-26 Placer 1818.0 Comment
  SACT001892  Poa palustris D. Meyer 1984-7-21 Placer 7.52 km southeast of Placer County line moist shaded stream area. 9 mfrom roadway. 1758.0 Comment
  SACT001917  Poa pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center near lake shore. 1891.0 Comment
  SACT001930  Poa pratensis D. Meyer 1984-7-21 Placer 1.4 km from Placer County Line moist shady streambank. 9 m from roadside. 1818.0 Comment
  SACT001932  Poa pratensis D. Meyer 1984-5-6 Placer Collected on Garden Bar Rd. Riparian habitat. 182.0 Comment
  SACT001948  Poa pratensis D. Meyer 1984-6-23 Placer Moist shaded area near brigde. 594.0 Comment
  SACT001950  Poa pratensis D. Meyer 1984-6-21 Placer 5.1 km from Fanny Bridge Tahoe City along river bank of Truckee River and shaded bike trail. 1828.0 Comment
  UCD91920  Poa pratensis George Kerley 1965-12-14 89 Placer near Loomis. Ophir Hill Road. 365 Comment
  UC1132714  Poa pratensis subsp. pratensis H. S. Yates 1936-8-9 5984 Placer 2 mi sw Martis Peak; Truckee Quadrangle Comment
  UCD33390  Poa secunda subsp. juncifolia Beecher Crampton 1967-7-26 8153 Placer Near Nevada County line in Kingvale on Interstate 80. 1950 Comment
  JEPS70662  Poa secunda subsp. secunda Leland S. Smith 1925-6-27 1652 Placer Balckwood Canyon, also Ward Creek Balckwood Canyon; Tahoe Forest 1920 Comment
  JEPS74054  Poa secunda subsp. secunda Leland S. Smith 1931-6-30 2574 Placer near S Fork Yuba River Tahoe Nat'l Forest Comment
  UC337960  Poa secunda subsp. secunda unknown Placer summit of Sierra Cisco Comment
  UC60222  Poa secunda subsp. secunda J. Burtt Davy Jun 25 1897-Jun 30 1897 3265 Placer between Truckee and Tahoe; Truckee River Basin Comment
  UC821093  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  UCD36649  Poa secunda subsp. secunda Beecher Crampton 1955-6-15 2856 Placer 3 miles E of Weimar, head of Bunch Canyon, on Forest Hills Road, just off US Hwy 40. Comment
  UCD75959  Poa secunda subsp. secunda Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5216 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
  UCD90792  Poa secunda subsp. secunda Beecher Crampton 1955-6-15 2860 Placer 3 miles east of Weimar, on Forest Hill Road, just off US Hwy 40. Comment
  UCD91645  Poa secunda subsp. secunda John Thomas Howell 1943-7-21 18638 Placer Donner Pass to Mt. Lincoln. Comment
  CAS-BOT-BC539302  Poa sierrae G. Ledyard Stebbins 1968-4-7 6671 Placer Mosquito Ridge, E of Forest Hill, along road, 2.7 mi NE of turnoff to PG&E dam and powerhouse 975 Comment
  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
  SACT002015  Poa trivialis D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  UCD91594  Poa wheeleri P. B. Kennedy 1901-7-18 176 Placer near summit of Mt. Lola. Comment
Read comments
Jan 6 2015
  CAS-BOT-BC244281  Podagrostis humilis Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  SEINET13947029 Image available Pogogyne zizyphoroides W. A. Weber, Lewis S. Rose 1953-1 8392 Placer Depressions in rolling hills 5 miles N of Roseville on road to Lincoln, 160 ft alt 49 Comment
  SD3984  Polemonium californicum C. F. Sonne 1897-8-14 Placer Above Coldstream Comment
  POM129412  Polemonium occidentale R. L. Pendleton, F. M. Reed 1907-7-28 1305 Placer Tahoe Tavern 1899 Comment
  CHSC85689  Polemonium pulcherrimum G. F. Hrusa; J. Glazner 2000-9-3 15666 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  JEPS43023  Polygala cornuta var. cornuta L. S. Smith 1925-8-13 1705 Placer Gold Dollar Mine trail to Pine Nut (e slope); Tahoe National Forest 1828 Comment
  RSA0106330  Polygonum amphibium Lyman Benson 1947-8-12 12792 Placer Tahoe City, Lake Tahoe (Aquatic). Mt. Range: Sierra Nevada. 1889 Comment
  CAS-BOT-BC413936  Polygonum aviculare subsp. aviculare John Thomas Howell 1943-7-25 18820 Placer West side of Donner Pass near Norden 2133 Comment
  UCD100173  Polygonum californicum Collector unknown 1928-10-31 1440 Placer Lincoln. Comment
  CAS-BOT-BC414390  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer Near Sheridan 38 Comment
  POM165211  Polygonum californicum L. R. Abrams 1917-9-14 6754 Placer Betw Roseville and Peuryn Comment
  UCD43121  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 489 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43238  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 607 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS98995  Polygonum lapathifolium Lowell Ahart 2001-10-10 9364 Placer French Meadows Reservoir, near boat or trail access area on NW side of reservoir, about 1 mile SW of bridge across Middle Fork of American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  UC148975  Polygonum minimum H. M. Hall July 1910 8703 Placer Cisco 1767 Comment
  UCR253808  Polygonum persicaria George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20107 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  UC849102  Polygonum phytolaccifolium A. A. Heller 1917-8-14 12934 Placer s Summit Valley; Mt. Lincoln 2438 Comment
  UCR189637  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2007-7-27 12634 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  CAS-BOT-BC420030  Polygonum polygaloides subsp. kelloggii Marcus E. Jones 1882-7-11 s.n. Placer Emigrant Gap Comment
  UCD44428  Polygonum polygaloides subsp. kelloggii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1794 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC420039  Polygonum polygaloides subsp. kelloggii W. R. Dudley 1900-6-28 s.n. Placer Near Tahoe City Comment
  UC850168  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1906-7-4 902 Placer trail to Lily L. Lake Tahoe Region Comment
  UCD100899  Polygonum shastense G. F. Hrusa; J. Glazner 2001-7-15 15956 Placer Northern Sierra Nevada, N summit face of Crows Nest Pk. Immed. W of Sugarbowl. 2377 Comment
  RSA0047901  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20372 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
  CAS-BOT-BC232989  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch Rubicon River Comment
  POM264547  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch Rubicon River. Comment
  SACT001575  Polypogon australis D. Meyer 1984-8-12 Placer 10 miles from French Meadows, dry roadside 1524.0 Comment
  UCD90503  Polypogon australis Beecher Crampton 1955-6-15 2891 Placer junction of Iowa Hill, Forest Hill road, 2.5 miles north Yankee Jim. Comment
  SACT002021  Polypogon maritimus Josephine Van Ess 1976-7-8 Placer Collected .25 mile north of Roseville waterworks. Moist ditch. Comment
  UCD36667  Polypogon maritimus Beecher Crampton 1955-6-15 2901 Placer Placer County, 1.5 miles west of Iowa Hill. 914 Comment
  UCD91298  Polypogon monspeliensis Beecher Crampton 1958-6-24 4972 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  CAS-BOT-BC72114  Polystichum G. L. Stebbins 1969-7-19 6942 Placer Monumental Ridge, 3.6 miles east-southeast of Emigrant Gap 2042 Comment
  CAS-BOT-BC76758  Polystichum imbricans subsp. imbricans Gordon H. True 1968-4-17 4165 Placer Hwy. 80 near Alta. 1097 Comment
  SD58160  Polystichum imbricans subsp. imbricans Matt Herbrand 1917-12-20 Placer 1525 Comment
  RSA3403  Populus balsamifera subsp. trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
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Aug 27 2010
  UC527361  Populus tremuloides C. B. Wolf 1931-9-10 2420 Placer near R.R. between Tahoe Tavern and head of Truckee River ((gates)); btw Tahoe Tavern and head of Truckee River 1920 Comment
  UCR146917  Populus tremuloides Beecher Crampton 1961-9-27 6002 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  CAS-BOT-BC105581  Populus trichocarpa Geo. B. Grant 1906-7-15 7031 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  RSA3005  Populus trichocarpa Carl B. Wolf 1931-9-10 2419 Placer Shore of Lake Tahoe. Just NW of Chambers Lodge. 1921 Comment
  UC527363  Populus trichocarpa C. B. Wolf 1931-9-11 2422 Placer near creek 7 mi below summit Donner Pass (w slope of Sierra Nevada); , below summit Donner Pass 1828 Comment
  UCD22303  Populus trichocarpa Rex Palmer 1979-5-27 N 55 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD38934  Populus trichocarpa Beecher Crampton 1961-9-27 6016 Placer 1 mile west of Cisco Grove. Comment
  CDA859  Potamogeton richardsonii R. Talbert 1959-8-14 2927 Placer Lake Tahoe. 0 Comment
  UC169986  Potentilla bruceae Miss Helen D. Geis 1912-6 37 c Placer Deer Park Comment
  RSA169439  Potentilla glandulosa L. S. Rose 1963-7-11 63212 Placer Tahoma, Lake Tahoe 1916 Comment
  UCR207107  Potentilla glandulosa subsp. ashlandica George K. Helmkamp, E. A. Helmkamp 2009-7-16 15237 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCD113920  Potentilla gracilis var. fastigiata Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer Sunnyside on western shore of Lake Tahoe. 1889 Comment
  UC14226  Potentilla gracilis var. fastigiata Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe, Cascade Comment
  UC570339  Primula suffrutescens B. Bolt 1934-7-12 110 Placer Snow Mountain; Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  UC66404  Primula suffrutescens P. B. Kennedy and S. B. Doten 1901-8-10 272 Placer Summit-Soda Springs summit of Devil's Cliff; summit of Devils Cliff, Summit-Soda Springs Comment
  UC1039796  Proboscidea lutea L. S. Smith 1928-10-15 Placer Auburn Comment
  CAS-BOT-BC163056  Prunus emarginata A. A. Heller 1917-8-15 12940 Placer Lincoln highway near Yuba Pass 1828 Comment
  HSC35044  Prunus emarginata Thomas W. Nelson, James Nelson 1974-6-17 1364 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  RSA1843  Prunus emarginata Carl B. Wolf 1930-10-11 988 Placer 4 miles west of Emigrant Gap 1524 Comment
  SBBG14319  Prunus emarginata N. F. Sommer 1954-5-19 88 Placer edge of runway of emergency landing field near Blue Cyn, US Hwy 40, 8 mi W of Emigrant Gap 1828 Comment
  UC861032  Prunus emarginata Marcus E. Jones, A. M. 1882-5-28 2693 Placer Emigrant Gap Comment
  UCD22282  Prunus emarginata Rex Palmer 1979-7-12 N 642 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD38504  Prunus emarginata Beecher Crampton 1955-7-13 3007 Placer Blue canyon. 1432 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
  UCD124131  Pseudognaphalium beneolens Ellen Dean; Marcel Rejmanek 2012-10-9 7505 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  CAS-BOT-BC357340  Pseudognaphalium microcephalum W. R. Dudley 1909-8-16 s.n. Placer Monte Vista Comment
  JEPS14031  Pseudognaphalium thermale Rimo Bacigalupi with G. L. Stebbins, D. Zohary, J. Hunziker, F. Ehrendorfer, A. Hawkes, H. Stutz 1952-7-19 3852 Placer below Cape Horn sta. on S.P RR (0.5 mi above bridge on Colfax-Iowa Hill road); North Fork of American River 381 Comment
  SEINET4856245  Pseudostellaria sierrae Ronald L. Hartman 1997-7-11 58546 Placer Near campsite ca 200 yards from Foresthill Road, 2-2.5 road mi W from Sailor Flat trail turn-off. Comment
  CAS-BOT-BC80154  Pseudotsuga menziesii Ira L. Wiggins 1930-10-12 5083 Placer Near Cisco 1981 Comment
  UC1351095  Pseudotsuga menziesii E. Fritz 1936-1-28 8209 Placer Comment
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Jul 9 2015
  UCR176262  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2006-8-11 11213 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  CAS-BOT-BC361844  Psilocarphus oregonus John Thomas Howell; Gordon H. True 1971-5-26 47635 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC72534  Pteridium aquilinum John H. Thomas; Hazelle A. Thomas 1956-7-21 6196 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCR200869  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2008-9-15 14117 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  SEINET7236803  Pterospora andromedea K. Thorne, J. Chandler 1987-6-26 5414 Placer CA Hwy 27, 3.2 miles S of Brockway Summit. Comment
  UC861227  Purshia tridentata Lewis S. Rose 1940-6-1 40445 Placer Donner Lake 1813 Comment
  JEPS127515  Purshia tridentata var. tridentata Steve Matson 1999-6-12 404 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave. Comment
  UC480727  Purshia tridentata var. tridentata W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak; Lake Tahoe Region Comment
  POM126530  Pycnanthemum californicum Katherine Brandegee 1908-07 s.n. Placer Cape Horn. Comment
  CAS-BOT-BC462773  Pyrola dentata Elizabeth Parsons Hawver 1911-8-19 s.n. Placer On way to chute, Madden Creek, Lake Tahoe Region Comment
  UC21718  Pyrola picta J. Burtt Davy Jun 25 1897-Jun 30 1897 3239 Placer Truckee River Basin, Lake Tahoe Lake Tahoe; Truckee River Basin, Lake Tahoe Comment
  UCD117818  Pyrola picta G. F. Hrusa; J. Glazner 2000-9-3 15675 A Placer Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  RSA0083319  Pyrola picta J. B. Feudge 1927-7-18 1726 Placer West of Emigrant Gap. 1524 Comment
  CAS-BOT-BC45764  Quercus Gordon H. True 1965-5-18 s.n. Placer Deer Creek, trib. to Truckee River just north of Squaw Valley 1981 Comment
  CAS-BOT-BC45766  Quercus Saichi Kawahara 1969-5-25 1019 Placer ridge east of old house, Mel Henderson Ranch, east bank of Indian Creek; section 23 of the Dutch Flat Quadrangle 1036 Comment
  SACT002681  Quercus Josephine Van Ess 1979-6-26 Placer Collected down river horse trail from Auburn dam site down to river. Collected about where trail begins to head down from top of river bluffs. Among other oaks, some open grassy areas. Comment
  UC119169  Quercus X morehus A. Eastwood 1894-9-9 Placer Newcastle 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
  UC1083186  Quercus chrysolepis H. L. Mason 1929-10-4 5453 a Placer 2.4 mi below Weimar Comment
  UCR190666  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2007-9-14 12962 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  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
  CDA20382  Quercus chrysolepis var. chrysolepis P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  RSA638891  Quercus douglasii Phyllis Adams 1982-5-9 37 Placer Along Old Foresthill Road, in the American River Canyon 457 Comment
  SACT002637  Quercus durata Michael Baad 1977-6-21 Placer 2 miles nouth of junction of road to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  UCD45926  Quercus durata var. durata G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, 1952-7-20 5130 Placer 9 miles northeast of Forest Hill on road to Iowa Hill. 1127 Comment
  CAS-BOT-BC105304  Quercus kelloggii M. S. Jussel 1930-7-1 s.n. Placer Camp Baxter, North Fork of the Stanislaus River 1676 Comment
  CAS-BOT-BC105305  Quercus kelloggii Marcus E. Jones 1982-6-30 2871 Placer Emigrant Gap Comment
  CAS-BOT-BC105307  Quercus kelloggii Catherine A. Toschi 1963-3-23 63 .80 Placer 3 miles E of Auburn on the American River 396 Comment
  OBI49059  Quercus kelloggii Unknown 1882-6-30 2871 Placer Emigrant Gap Comment
  SACT002143  Quercus kelloggii Josephine Van Ess 1976-9-15 Placer collected about 0.5 miles below dam, ravine bank 48.8 Comment
  SEINET10431665  Quercus kelloggii 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 CA Hwy 194, winding road, plot located on the right past parking area, down path ca 60 meters. 1676 Comment
  CAS-BOT-BC104588  Quercus vacciniifolia Mary P. Wells 1980-9-11 s.n. Placer Sierra Nevada. West of Pioneer Way in forest. Tahoe City 1981 Comment
  SEINET10437466  Quercus vacciniifolia L. R. Miller 1933-8-27 1402 Placer Near Long's Lake. Comment
  SEINET10437527  Quercus vacciniifolia T. C. Frantz 1951-5-22 s.n. Placer N end of Lake Tahoe, next to NV state line. Comment
  UC1070101  Raillardella argentea B. Bolt 1934-8-23 202 Placer divide between Picayune and Gray-horse; Tahoe National Forest, Truckee Quad. 2438 Comment
  CAS-BOT-BC379468  Ranunculus alismifolius Peter Rubtzoff; Edward W. Colson 1976-7-7 8730 Placer Lake Van Norden, moist meadow on east side of lake 2063 Comment
  CAS-BOT-BC379279  Ranunculus alismifolius var. alismellus Alice Eastwood 1909-1-1 279 Placer Lake Tahoe Region, Wards Pass Comment
  UC9357  Ranunculus alismifolius var. alismifolius J. Burtt Davy Jun 25 1897-Jun 30 1897 3260 Placer near Deer Park Inn; Truckee River Basin Comment
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Aug 8 2010
  UC191444  Ranunculus alismifolius var. alismifolius C. F. Sonne 1886-5-2 Placer Mayen Ranch Truckee Comment
  POM269582  Ranunculus alismifolius var. hartwegii Lyman Benson 1942-7-2 11243 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 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-BC379391  Ranunculus alismifolius var. hartwegii Anna Head 1921-6-12 s.n. Placer Feather River Region, Lake Independence Comment
  CAS-BOT-BC379394  Ranunculus alismifolius var. hartwegii Alice Eastwood 1909-1-1 130 Placer Ward Creek Comment
  CAS-BOT-BC379395  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 s.n. Placer Lake Tahoe Region, Seven Lakes Comment
  CAS-BOT-BC379397  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 464 Placer Lake Tahoe Region, Tahoe City Comment
  CAS-BOT-BC379436  Ranunculus alismifolius var. hartwegii C. F. Sonne 1886-6-13 327 Placer Sierra Nevada Mts., Prosser Creek near Truckee Comment
  POM269568  Ranunculus alismifolius var. hartwegii H. L. Mason 1933-5-28 7238 Placer Meadows, Lower Truckee River Comment
  UC827616  Ranunculus aquatilis var. capillaceus Alice Eastwood Jun 15 1912-Jun 19 1912 454 Placer Deer Park Lake Tahoe Region Comment
  JEPS113178  Ranunculus bonariensis var. trisepalus Lowell Ahart, Brian Williams 2007-4-13 13651 Placer On damp granite soil, on the bottom of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  CDA24320  Ranunculus cymbalaria var. saximontanus G. D. Barbe 1977-7-2 2286 Placer At shore of shallow arm of Martis Creek Lake, Day Use area, south of Truckee-Tahoe airport. Comment
  UC9438  Ranunculus flammula Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC228549  Ranunculus muricatus George K. Helmkamp; E. A. Helmkamp 2011-4-10 17159 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan 41 Comment
  CHSC79351  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sunnybrook Farms, 2 miles north of Lincoln. Comment
  JEPS60691  Ranunculus muricatus R. E. Arp 1932-4-18 11 Placer Roseville; along streams Comment
  UCD35915  Ranunculus muricatus B. Crampton 1953-4-21 1117 Placer Sunnybrook Farms, 2 miles North of Lincoln. Comment
  SEINET3840850  Ranunculus occidentalis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 224 Placer Hughes Mill, Along Finning Mill road, approximately three miles north of Forest Hill road, approximately three miles East of Forest Hill 1060 Comment
  UC480972  Ranunculus occidentalis Francis Ramaley 1917-4-24 11142 Placer Auburn Comment
  UCR257018  Ranunculus occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 22788 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  POM259995  Ranunculus occidentalis var. eisenii C. L. Hitchcock 1940-5-7 6312 Placer 1 mile west of Baxter. Comment
  SEINET210456  Ranunculus occidentalis var. eisenii C. L. Hitchcock 1940-5-7 6312 Placer Ca 1 mi W of Baxter Comment
  RSA400016  Ranunculus occidentalis var. eisenii Wm Vortriede 1926-1 s.n. Placer Lake Tahoe. Comment
  UCD42849  Ranunculus populago C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 215 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET11526778  Raphanus raphanistrum Vetter 1955-4-23 8 Placer 0.5 mile W of Loomis. Comment
  UCR262445  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2011-12-9 18503 Placer Sacramento Valley, Sunset Blvd. West, 5.8 miles west of its junction with Fiddyment Road 29 Comment
  UC662428  Rhamnus alnifolia James B. Roof, Irja Knight 1941-9-5 Placer 8 mi s Truckee (on State Highway 89, Silver Creek, a perennial tributary of the Truckee River); Truckee River, Silver Creek 1828 Comment
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Sep 3 2008
  UCR115096  Rhamnus alnifolia G. Fred Hrusa, J. Glazner 1997-8-3 14032 Placer Corner of Hwy 89 and Squaw Valley Rd. 2020 Comment
  UCD36696  Rhamnus ilicifolia Beecher Crampton 1955-6-15 2871 Placer Head of Bunch Canyon, 0.5 mile south of U.S. Highway 40. Comment
  SEINET13946366 Image available Rhamnus rubra A. A. Heller 1917-1 12736 Placer Dry gravelly ridge, Emigrant Gap, elevation 5300 ft 1615 Comment
  CDA20996  Rhamnus tomentella subsp. tomentella G. F. Hrusa 1993-11-3 11466 Placer Sierra Nevada; Mosquito Ridge Rd. approx. 12 miles E of Foresthill. 1066 Comment
  UCD117838  Rhododendron columbianum Murray Fowler 1961-8-8 s.n. Placer Robertson Flat, ca. 19 miles west of Tahoe City. 1828 Comment
  LA41035  Rhododendron occidentale A. A. Heller; 1917-6-19 12743 Placer Sierra Nevada, 8 mi. E of Colfax Comment
  UC178746  Ribes Katharine Brandegee 1914-1 Placer Ellis Meadows North Sierra National Forest Comment
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Dec 11 2014
  CDA13668  Ribes inerme var. inerme G. F. Hrusa, J. Glazner 1997-8-3 14028 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  RSA0022085  Ribes montigenum Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4540 Placer Squaw Valley, beyond upper cable car station. Comment
  RSA0022889  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco. 1829 Comment
  RSA0023969  Ribes nevadense Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SD43645  Ribes roezlii Darley F. Howe 1948-5-22 1900 Placer 1219 Comment
  RSA0018268  Ribes roezlii B. Bolt 1934-7-17 141 Placer 1/2 mile south of Lost Emigrant Mine. 2073 Comment
  SEINET12216785  Ribes roezlii J. H. Nishida 1985-1 777 Placer Homewood 1829 Comment
  CAS-BOT-BC186212  Ribes roezlii var. roezlii D. E. Breedlove 1962-6-13 3542 Placer On steep bank of Truckee River, 7.0 miles south of Truckee; Sierra Nevada 1828 Comment
  HSC103189  Ribes roezlii var. roezlii Jade Paget-Seekins 2010-7-19 51 Placer Mountains west of Lake Tahoe, up Forest Route 3 past the Ellis Peak trailhead, left onto road toward Miller Meadows. 2280 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
  UC35862  Rigiopappus leptocladus H. N. Bolander 1865-1 4569 Placer Newcastle Comment
  UCD108416  Robinia pseudoacacia G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12958 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD14914  Rorippa Beth Lowe Corbin 1982-8-17 363 Placer California, Placer Co.; 1 2/3 miles southwest of The Cedars; 1813 Comment
  CAS-BOT-BC74388  Rorippa curvipes Catherine Best 1981-8-2 s.n. Placer Sierra Nevada. French Meadow boat ramp. Comment
  CAS-BOT-BC74622  Rorippa curvisiliqua Alice Eastwood 1912-6-15 452 Placer Lake Tahoe Regin. Deer Park. Comment
  CDA24990  Rorippa curvisiliqua J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC74624  Rorippa curvisiliqua Gladys L. Smith 1977-6-16 4670 Placer Goose Meadow, Route 89, between Tahoe City and Truckee. 1828 Comment
  CHSC97766  Rorippa curvisiliqua var. orientalis Lowell Ahart 2007-11-13 14595 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  UCR250078  Rorippa nasturtium-aquaticum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20501 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  JEPS47280  Rosa bridgesii C. F. Sonne May 1891 4172 Placer along railroad below Auburn Comment
  UC1128555  Rosa eglanteria N. French 1933-6-1 63 Placer Clipper Gap Sacramento Quadrangle Comment
  JEPS127442  Rosa woodsii subsp. ultramontana Steve Matson 1998-7-28 360 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek, west edge of main boggy site. Comment
  SEINET7704065  Rosa woodsii var. ultramontana P. A. Lehenbauer s.n. Placer Lake Tahoe, Carnelian Bay. Comment
  UCD89706  Rubus armeniacus Lindsay Clark 2008-6-10 FHD 2 Placer Next to American River at Driver's Flat Staging Area, 14.5 miles northeast of Auburn. 209 Comment
  UCD17694  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 21 B Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  CAS-BOT-BC363203  Rudbeckia occidentalis Brandegee No date on label s.n. Placer Blue Canon [Canyon] Comment
  JEPS126333  Rumex acetosella Steve Matson 1997-7-24 123 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. heading west. Comment
  CAS-BOT-BC422031  Rumex acetosella John Thomas Howell 1943-7-19 18564 Placer Summit Valley 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
  CDA37242  Rumex crispus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS126260  Rumex crispus Steve Matson 1998-6-7 325 Placer nSNH, Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  JEPS73006  Rumex salicifolius var. denticulatus Gladys L. Smith 1972-6-18 3137 Placer meadow across from Alpine Meadows Lodge 2072 Comment
  CDA24985  Rumex salicifolius var. triangulivalvis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC434300  Rumex triangulivalvis John Thomas Howell 1943-7-19 18589 Placer Summit Valley Comment
  UCD33736  Rumex triangulivalvis Beecher Crampton 1972-7-26 8847 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC267073  Sagittaria L. R. Abrams 1917-9-15 6761 Placer 3-5 miles above Auburn Comment
  UCD22305  Salix Beth Lowe Corbin 1982-8-24 415 Placer 2 1/2 miles SE of The Cedars. In wet, fine sandy, rocky soil, along stream in Red Fir forest. Loosely branched shrub to 5' high. Old bark smooth, grey. Partial sun. NE facing slope, 20% incline. Common. 2118 Comment
  UC1134858  Salix eastwoodiae N. French 1934-6-19 416 Placer Lock Leven Lakes; Tahoe Nat'l Forest, Colfax Quadrangle Comment
  CAS-BOT-BC103562  Salix eastwoodiae W. R. Dudley 1900-6-14 5097 Placer East of hotel at Summit, Nevada-Placer Co. line Comment
  UCD110935  Salix exigua M. H. Mills 1996-4-21 163 Placer 5830 Walden Lane, Loomis. 180 Comment
  RSA129736  Salix geyeriana var. argentea H. S. Yates 1934-6-29 3917 Placer Near Tahoe City. 1921 Comment
  CAS-BOT-BC108208  Salix hindsiana Gordon H. True 1968-10-26 4740 Placer Sact. Valley between Sheridan and edge of foothills SW of Camp Far West Res. 76 Comment
  UCD80748  Salix laevigata CNPS SN Foothill Team 2005-4-14 SNFN 0109 Placer Placer Legacy, Didion Ranch, along south fork of Coon Creek, accessed from east end of study area off of Mears Road. Releve situated on north bank of creek approximately 50 meters east of access road. 224 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
  UC477570  Salix lasiandra subsp. lasiandra L. S. Smith 1931-8-27 2626 Placer French Meadows Tahoe Nat'l Forest, French Meadows Comment
  CAS-BOT-BC125291  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 2 Placer Tahoe National Forest, French Meadows 1828 Comment
  CAS-BOT-BC125294  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-29 5804 Placer Truckee River, below Tahoe City Comment
  CAS-BOT-BC125295  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-29 5798 Placer Near Fish Hatchery, Tahoe City Comment
  CAS-BOT-BC125297  Salix lasiandra var. lasiandra A. A. Heller 1917-6-17 12720 Placer Along the Yuba River below Cisco 1676 Comment
  CHSC9641  Salix lasiolepis E. L. Smith 1971-7-27 1012 Placer W end of Putt Reservoir just e of Blue Canyon Road ca. 2 mi w of Emigrant Gap. 1706 Comment
  UCD80752  Salix lasiolepis CNPS SN Foothill Team 2005-4-13 SNFN 0107 e Placer Placer Legacy, Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  CAS-BOT-BC124772  Salix lemmonii W. R. Dudley 1900-6-14 5067 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124780  Salix lemmonii W. R. Dudley 1900-6-12 51010 Placer Meadow east side of Donner Lake Comment
  CHSC13658  Salix lemmonii E. L. Smith 1971-4-17 984 Placer At Yuba Gap ca. 7 km e of Emigrant Gap. 1770 Comment
  UCD43112  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 480 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC125066  Salix ligulifolia Dr. Kellogg 1870-6-30 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  CDA25006  Salix lucida subsp. lasiandra J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-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
  UCD44457  Salix orestera C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1823 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC129083  Salix scouleriana W. R. Dudley 1900-6-14 5075 Placer Rocks on right of road between Donner Lake and summit Comment
  CHSC13663  Salix scouleriana E. L. Smith 1971-4-29 954 A Placer At Whitmore Maintenance Station ca. 3 mi ne of Baxter. 1371 Comment
  CHSC9617  Salix scouleriana E. L. Smith 1971-7-27 991 Placer At Tahoe Vista. 1903 Comment
  UC1135086  Salix scouleriana B. Bolt 1934-7-23 162 Placer end of rd. from Westville (Plot 249); Tahoe Nat'l Forest, Colfax Quad. Comment
  UCD33617  Salix scouleriana Beecher Crampton 1970-11-10 8656 Placer Placer County, Emigrant Gap, downslope from Hwy. 80 east. 1524 Comment
  UCD34051  Salix scouleriana Beecher Crampton 1975-10-14 9321 Placer Placer County, Blue Canyon airport area. 1524 Comment
  UCR240962  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2012-9-25 19913 Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  POM285025  Sambucus microbotrys Lyman Benson 1933-6-26 4547 Placer Donner Pass 2134 Comment
  CAS-BOT-BC235191  Sambucus racemosa var. racemosa L. S. Smith 1926-6-8 1894 Placer Tahoe National Forest. English Mt. Ridge above Meadow Lake 2286 Comment
  CAS-BOT-BC235194  Sambucus racemosa var. racemosa E. A. McGregor 1909-8-13 110 Placer Lake Tahoe Region. Susie Lake 2331 Comment
  CAS-BOT-BC235195  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  SD243199  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-8-11 16753 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  UCD21631  Sanicula Rex Palmer 1979-6-9 N 153 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC223279  Sanicula bipinnatifida Alice Eastwood 1912-6-28 497 Placer Colfax Comment
  CDA19549  Sanicula bipinnatifida M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 239 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UCR235488  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2012-5-5 18933 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UC875487  Sanicula graveolens Lewis S. Rose 1940-6-2 40459 Placer 10 mi n of Tahoe City (Truckee River); Truckee River 1828 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
  POM82765  Sanicula tuberosa Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UC495497  Sanicula tuberosa Merle Randall 1930-6-17 Placer w of Donner Lake (above Cisco, Big Bend Ranger Station); Big Bend Ranger Station 1767 Comment
  CAS-BOT-BC466211  Sarcodes sanguinea Elizabeth Parsons Hawver 1911-6-1 s.n. Placer Lake Tahoe Region: Aspen Grove Comment
  UC115030  Saxifraga bryophora C. F. Sonne 1897-8-14 Placer above Coldstream; Sierra Nevada Mountains Comment
  UCD102829  Saxifraga californica G. L. Stebbins 1970-4-4 6988 Placer Shirttail Canyon, on road from Colfax to Forest Hill, ca. 1/2 mile east of crossing of North Fork American River. 457 Comment
  UCR208271  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2009-5-7 14637 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UC114879  Saxifraga tolmiei C. F. Sonne 1892-8 Placer Tinker's Knob; Sierra Nevada Mountains, Tinker's Knob Comment
  CAS-BOT-BC418383  Saxifragaceae Saichi Kawahara 1969-7-6 1459 Placer Meadow, Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  SD240826  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2010-4-17 15876 Placer Foothills, Northern Sierra Nevada Mountains: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 313 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
  CDA36907  Scleranthus annuus CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  UC1563664  Scleranthus annuus subsp. annuus Barbara Ertter with David Thompson 1989-4-8 8162 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  UC1563887  Scleranthus annuus subsp. annuus Barbara Ertter with David Thompson 1989-4-8 8162 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  UCD92480  Scribneria bolanderi Beecher Crampton 1953-4-21 1116 Placer 2 miles north of Lincoln, Sunnybrook Farms. Comment
  UCD92488  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer 2 miles northwest of Roseville, Diamond K Ranch. Comment
  UCR146679  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer Sacramento Valley, 2 miles northwest of Roseville; Diamond K Ranch 46 Comment
  UCD22013  Scutellaria californica Beth Lowe Corbin 1982-8-2 164 Placer Onion Creek campground. In dry drainageway, of fine, sandy, granitic soil. Perennial herb with creme white flowers. Mostly sun. South facing slope. Relatively abundant in 1 localized area. 1841 Comment
  UCR146855  Scutellaria californica Beecher Crampton 1955-6-15 2868 Placer Sierra Nevada Mountains, head of Bunch Canyon, 3.5 mi. east of Weimar on road to Foresthill, 0.5 mi. south of US Hwy 40 671 Comment
  HSC95514  Scutellaria californica James D. Jokerst 1988-6-6 3008 Placer Long Creek Hydro Project, 1 mi. W of Ramsey Crossing, N of Long Canyon Creek Comment
  RSA445393  Scutellaria californica Fay A. MacFadden 1934-7-26 12688 Placer Foot of Red Mountain Comment
  UC148967  Scutellaria californica H. M. Hall 1910-6-25 8720 Placer Rattlesnake Creek; Sierra Nevada Mountains, Rattlesnake Creek 1767 Comment
  CAS-BOT-BC64209  Sedum obtusatum subsp. obtusatum John Thomas Howell 1943-7-21 18661 Placer Donner Pass to Mt. Lincoln Comment
  JEPS72358  Sedum rosea subsp. integrifolium Gladys L. Smith 1972-6-18 3152 Placer volcanic cliff above Alpine Meadows; volcanic cliff above Alpine Meadows 2133 Comment
  JEPS72366  Sedum spathulifolium Gladys L. Smith 1972-6-20 3271 Placer lower flanks Ward Peak in Sherwood Forest; lower flanks Ward Peak in Sherwood Forest 2286 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
  UCD135984  Selaginella hansenii A. S. Crafts 1940-12-10 s.n. Placer Near Auburn. Comment
  UCD21787  Senecio Rex Palmer 1979-5-27 N 111 Placer Headwaters basin area of the North Fork of the American River Comment
  UC147586  Senecio aronicoides Harriet A. Walker 1908-6-23 1224 Placer Blue Canyon 1432 Comment
  UC829681  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca 1.0 mi w Baxter Comment
  UC2042507  Senecio integerrimus var. exaltatus Holly Forbes, Barbara Keller, and T. Tomashek 2012-6-12 Placer Blackwood Canyon Rd., 0.2 mi. W of junction with Highway 89. Comment
  SJSU5432  Senecio integerrimus var. exaltatus M. B. Olesen 1965-5-31 Placer near Incline Village, Lake Tahoe 1920 Comment
  UC472370  Senecio integerrimus var. major C. F. Sonne July 1897 6593 Placer Coldstream <?> to Tinker Knob Comment
  UC91379  Senecio integerrimus var. major C. F. Sonne 1897-7-18 Placer above Coldstream; Sierra Nevada Mountains Comment
  UCD170424  Senecio integerrimus var. major G. W. Forister 2017-6-15 s.n. Placer Onion Valley; 7 miles south of I-80 on Texas Hill Road. 1465 Comment
  CDA13679  Senecio serra var. serra G. F. Hrusa, J. Glazner 1997-8-3 14039 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd., along Squaw Valley Rd. Comment
  CAS-BOT-BC364389  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  UCD42818  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 184 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43325  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 693 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44414  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1780 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC45827  Sequoiadendron giganteum Lowell Ahart 1975-8-23 960 Placer Placer County grove of the Sierra Redwoods, about 1/2 mile south of Mosquito Ridge Road, about 18 miles east of Forest Hill. 1676 Comment
  NY951528  Sequoiadendron giganteum D. H. Goldman 2004-11-2 2920 Placer Mosquito Ridgem Placer County Big Trees Reserve, Tahoe National Forest 1634 Comment
  CAS-BOT-BC364761  Sericocarpus oregonensis subsp. californicus A. A. Heller 1926-9-3 14332 Placer Seven miles east of Auburn along the Lincoln highway 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
  UC88051  Sericocarpus oregonensis subsp. oregonensis Katharine Brandegee 1889-1-1 Placer Blue Canon Comment
  CDA2407  Setaria faberi William J. Ferlatte, K. Stark 1974-11-12 Placer 0.5 mile east of Sisley Road on Taylor Road, Penryn; frequent between Loomis and Penryn. 0 Comment
  CAS-BOT-BC243550  Setaria parviflora David D. Keck 1932-7-1 1596 Placer 2 miles N. of Auburn on Nevada City Road 426 Comment
  UCR253804  Setaria pumila George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20095 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  SACT002097  Setaria viridis D. Meyer 1984-8-17 Placer 4.8 km west of exit. 1291.0 Comment
  UCD116589  Sidalcea calycosa Ted Niehaus 1959-5-3 99 Placer north shore of Folsom Lake at Granite Bay Park, 100 yards from lake. Comment
  OBI48964  Sidalcea glaucescens Lewis S. Rose 1938-9-14 38262 Placer South Fork of Yuba River, 3 mi E of Cisco 1737 Comment
  SEINET3134727  Sidalcea glaucescens L. S. Rose 1938-9-14 38362 Placer South Fork of Yuba River, 3 mi. E of Cisco 1737 Comment
  UCD15606  Sidalcea glaucescens Lisa Montany 1985-5-18 24 Placer Mosquito Ridge Rd, 18.6 miles west of Forest Hill Rd. Comment
  UCD21607  Sidalcea glaucescens E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1276 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
  UCD22089  Sidalcea glaucescens Rex Palmer 1979-7-25 N 801 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD33727  Sidalcea glaucescens Beecher Crampton 1972-7-26 8833 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  SEINET8944245  Sidalcea glaucescens P. A. Lehenbauer 1932-6-26 s.n. Placer Lake Tahoe, near Tavern. Comment
  SBBG29904  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 mi N of Colfax Comment
  UCR257628  Sidalcea malviflora subsp. asprella George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19536 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
  UCD43993  Sidalcea oregana subsp. hydrophila C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1359 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC74101  Sidalcea oregana subsp. spicata Susi Urie 1998-8-28 98 -130 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnnyside. 2121 Comment
  CHSC74232  Sidalcea oregana subsp. spicata Susi Urie 1998-8-29 98 -158 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC79325  Sidalcea oregana subsp. spicata Beecher Crampton 1972-7-26 8838 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD150578  Sidalcea oregana subsp. spicata James A. Neilson Jr. 1972-8-10 2705 Placer Tahoe Basin, Lower Ward Valley. 1981 Comment
  UCD43090  Sidalcea oregana subsp. spicata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 458 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 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
  SEINET8726854 Image available Sidalcea spicata Lewis S. Rose 1937-1 37614 Placer Tahoe Vista 1905 Comment
  UC196791  Silene californica C. F. Sonne 1891-5-17 Placer Colfax 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
  UCR173250  Silene californica George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10457 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
  CAS-BOT-BC386980  Silene douglasii H. M. Hall 1910-7-4 8742 Placer Near Cisco 1890 Comment
  POM150840  Silene douglasii Katherine Brandegee s.n. Placer Donner Summit. Comment
  POM100873  Silene douglasii var. douglasii Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD150314  Silene douglasii var. douglasii James A. Neilson Jr. 1970-8-5 1771 Placer Tahoe Basin, Ward Creek area. 2499 Comment
  UCD98598  Silene douglasii var. douglasii Beecher Crampton 1964-7-21 7123 Placer one mile east of Cisco Grove, old portion of US Hwy. 40. Comment
  UCR240908  Silene invisa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19230 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UC8507  Silene lemmonii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR190136  Silene vulgaris George K. Helmkamp, E. A. Helmkamp 2007-9-14 12953 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  JEPS126414  Sisymbrium altissimum Steve Matson 2002-7-7 557 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on west side of pond near Highway 28. 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
  CHSC58405  Sisyrinchium bellum Gary H. Bolton 1975-5-24 43 Placer Spring Garden Road and Auburn-Foresthill Road. Comment
  RSA782053  Sisyrinchium elmeri Lisa Karst 2002-1 CA 02 -2 Placer Alpine Village, Tahoe River. [county not specified] Comment
Read comments
Jan 7 2016
  SACT002103  Sitanion hystrix Michael Baad 1976-6-16 Placer Collected on trail between first and second stream crossing. Comment
  SACT002225  Sitanion hystrix D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT002229  Sitanion hystrix D. Meyer 1983-7-3 Placer 5.4 miles north of Foresthill Road. 1234.44 Comment
  SACT002240  Sitanion hystrix D. Meyer 1983-8-20 Placer Collected on Alpine Meadows Road to summit at first lake steep rocky trail with some moist meadow areas. 609.0 Comment
  SACT002258  Sitanion jubatum Michael Baad 1977-6-8 Placer 1.3 miles southwest of Volcano Canyon on road between Forest Hill and French Meadows, roadside in serpentine. Comment
  UC1134666  Smilacina racemosa N. French 1934-5-31 387 Placer 1/2 mi e Texas Hill; Tahoe National Forest, Colfax Quadrangle 1584 Comment
  JEPS73041  Smilacina stellata Gladys L. Smith 1972-6-20 3272 Placer springy place along road just above Ward Summit chairlift Comment
  UCD126842  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer between sidewalk and street, 221 Elm Street, Roseville. Comment
  CAS-BOT-BC156841  Solanum umbelliferum J. T. Howell 1943-7-25 18806 Placer West side of Donner Pass near Norden 2134 Comment
  UC710562  Solanum umbelliferum John Thomas Howell 1943-7-25 18806 Placer w side of Donner Pass near Norden; Donner Pass 2133 Comment
  UC884983  Solanum umbelliferum P. A. Lehenbauer 1935-6-18 Placer near Tahoe City 1898 Comment
  SCFS1169  Solidago E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Creekside at Chickering. Comment
  UC148999  Solidago elongata H. M. Hall 1910-7-10 8749 Placer Cisco Sierra Nevada Mountains, Cisco 1828 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
  SACT002282  Sorghum halepense D. Meyer 1984-5-28 Placer Next to orchard 206.0 Comment
  CDA777  Sparganium emersum subsp. emersum G. D. Barbe 1977-7-2 2285 Placer Along the shore of Martis Creek Lake, Day Use Area south of Truckee-Tahoe Airport. Comment
  SEINET3228406 Image available Spartium junceum M. F. Wojciechowski 2002-6-25 999 Placer Roadside along I-80, collected adjacent to rest area near Dutch Flat/Gold Run exit. 945 Comment
  CAS-BOT-BC390110  Spergularia bocconi John Thomas Howell; Gordon H. True 1971-5-26 47645 Placer Northern limits of Lincoln 48 Comment
  UCD43883  Sphenosciadium capitellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1249 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC152533  Spiraea splendens F. Almeda 1993-7-24 7258 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley - Sierra Nevada 2133 Comment
  CDA15824  Spiraea splendens G. F. Hrusa, L. Serafini 1993-6-29 11260 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of french Meadows Reservoior. Comment
  UCD114068  Spiraea splendens G. F. Hrusa; J. Glazner 2000-9-3 15678 A Placer Sugar Bowl Ridge, immediately to w of proposed Crow's Nest ski run. 2164 Comment
  UCD150749  Spiranthes porrifolia James A. Neilson Jr. 1970-8-3 1718 Placer Tahoe Basin, 1 mile south of Tahoe City. 1901 Comment
  RSA447392  Stachys stricta Wm. Martin 1971-9-10 20279 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  POM286219  Stellaria longipes Lyman Benson 1942-7-2 11252 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CHSC73943  Stellaria longipes var. longipes Susi Urie 1998-8-18 98 -069 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC85476  Stellaria longipes var. longipes G. F. Hrusa; J. Glazner 1999-7-17 15145 Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC375009  Stenotus acaulis Elizabeth Parsons Hawver 1912-7-26 s.n. Placer Ellis Peak, Lake Tahoe Region Comment
  CAS-BOT-BC375011  Stenotus acaulis John Thomas Howell 1943-7-26 18838 Placer Mt. Lincoln Comment
  CDA16512  Stephanomeria lactucina G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8541 b Placer Lake Tahoe; at W end of Ward Valley. 4 mi SW of Tahoe City. Comment
  UC485636  Stephanomeria lactucina H. M. Hall 1910-7-10 8751 Placer near Cisco station; Sierra Nevada Mountains 1828 Comment
  CAS-BOT-BC375612  Stephanomeria lactucina unspecified No date on label 12893 Placer Summit Station 2121 Comment
  SACT002318  Stipa californica Michael Baad 1976-7-14 Placer 0.8 miles west of Sailor Flat. Forest Hills Divide. Comment
  SACT002331  Stipa californica Michael Baad 1976-8-4 Placer Collected on banks amoung rocks and in gravel beside creek. 1975.0 Comment
  SACT002343  Stipa columbiana Michael Baad 1983-7-23 Placer Collected south of airport along northeast side of Highway 267 1767.84 Comment
  SACT002361  Stipa lemmonii Michael Baad 1977-6-8 Placer Ridge northeast of central crater area. 1570.6 Comment
  CAS-BOT-BC5668  Stipa lemmonii var. jonesii Marcus Eugene Jones 1882-6-28 3298 Placer Emigrant Gap Comment
  SEINET7546725  Stipa lemmonii var. jonesii M. E. Jones 1882-1 3298 Placer Emigrant Gap Comment
  HSC11791  Stipa occidentalis var. californica A. S. Hitchcock 1913-7-16 820 Placer Truckee Comment
  SACT002396  Stipa pulchra Josephine Van Ess 1977-5-16 Placer Collected just inside park area near Folsom Lake. Opening in chaparral. 176.8 Comment
  CDA12296  Streptanthus tortuosus G. F. Hrusa 1989-5-2 7063 Placer Sierra Nevada; approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CDA12396  Streptanthus tortuosus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8524 a Placer Lake Tahoe; Upper Ward Valley, 4 miles SW of Tahoe City. Comment
  OBI70540  Streptanthus tortuosus G. F. Hrusa 1995-5-20 12168 Placer Approx 4 km beyond Mosquito Ridge Rd crossing of North Fork of middle Fork of the American river 650 Comment
  SCFS11529144  Streptanthus tortuosus E. Krimmel, F. Felix 2013-6-2 Placer NFAm top of Foresthill Road, growing in rocks Comment
  UCD75726  Streptanthus tortuosus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5164 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
  SEINET5501001 Image available Streptanthus tortuosus Sally Walker 1982-8-5 Placer Ski area above Tahoe Truckee Rd Comment
  UC1601629  Streptanthus tortuosus var. orbiculatus Lewis S. Rose 1941-7-23 41355 Placer Chambers Lodge (McKinney) Lake Tahoe 1920 Comment
  POM128175  Styrax redivivus W. W. Mackie 1904-04 s.n. Placer Newcastle. 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
  UCD69170  Symphoricarpos albus var. laevigatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon.Tahoe National Forest. 1550 Comment
  CAS-BOT-BC237003  Symphoricarpos mollis Alice Eastwood 1909-1-1 31 Placer Sunnyside Comment
  JEPS126405  Symphoricarpos mollis Steve Matson 1998-8-21 383 Placer Tahoe north shore Watershed, Tahoe Vista/Kings Beach; dirt road extension of west from Tiger Ave. Comment
  UC28648  Symphoricarpos mollis var. acutus Mrs. M. M. Hardy Placer Comment
  CAS-BOT-BC245734  Symphoricarpos rotundifolius A. A. Heller 1909-7-16 9846 Placer Summit 2133 Comment
  CAS-BOT-BC245737  Symphoricarpos rotundifolius Elizabeth Parsons Hawver 1911-7-20 s.n. Placer Ward Creek, Lake Tahoe Region Comment
  CDA12387  Symphoricarpos rotundifolius var. rotundifolius G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8515 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  JEPS72396  Symphoricarpos rotundifolius var. rotundifolius Gladys L. Smith 1973-6-1 3282 Placer slopes above Sherwood Forest (Ward Peak); Ward Peak 2590 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
  CAS-BOT-BC97858  Symphyotrichum eatonii John Thomas Howell 1943-7-25 18814 Placer West side of Donner Pass near Norden 2133 Comment
  CAS-BOT-BC98486  Symphyotrichum spathulatum John Thomas Howell 1943-7-25 18817 Placer West side of Donner Pass near Norden 2133 Comment
  CAS-BOT-BC98482  Symphyotrichum spathulatum Jean L. Pawek 1956-7-18 197 Placer Highway 40, west slope of Sierra Nevada 1828 Comment
  CAS-BOT-BC98484  Symphyotrichum spathulatum R. F. Hoover 1967-9-6 10848 Placer Kings Beach, Lake Tahoe Comment
  UC128139  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-27 1464 Placer Cisco Yuba River Comment
  UC912292  Symphyotrichum spathulatum H. L. Mason 1932-9-9 7180 Placer Truckee Junction Comment
  CAS-BOT-BC98924  Symphyotrichum spathulatum var. intermedium Elizabeth Parsons Hawver 1911-8-1 s.n. Placer Sunnyside - Lake Tahoe Regeion Comment
  CHSC73927  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-18 98 -063 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74203  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-4 98 -265 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CHSC74353  Symphyotrichum spathulatum var. spathulatum Susi Urie; Eric Schroder 1998-9-10 98 -317 Placer Antone meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC376788  Tanacetum parthenium John Thomas Howell 1974-7-12 50608 Placer Emigrant Gap 1615 Comment
  POM289884  Taraxacum officinale Lyman Benson 1942-7-2 11250 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD43898  Taraxacum officinale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1264 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET5779710 Image available Tauschia kelloggii Marcus E. Jones 1882-1 Placer Colfax Comment
  NY17479  Taxus brevifolia F. A. MacFadden 1934-8-14 12872 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA276847  Thalictrum fendleri John H. Thomas, H. A. Thomas 1956-7-21 6177 Placer Sierra Nevada, Vicinity of Donner Pass, 80 miles NE of Sacramento 2134 Comment
  UCR250334  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20356 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
  SD44634  Thysanocarpus radians Darley F. Howe 1951-5-1 Placer 455 Comment
  UC117269  Thysanocarpus radians Mrs. K. Brandegee May, 1884 Placer Roseville Comment
  UCD128157  Torilis arvensis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 A Placer Northern Sierra Nevada Foothills. 2.1 miles south of Auburn along CA Hwy 49. 293 Comment
  UCR250354  Torilis arvensis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20492 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  CDA13680  Torreyochloa pallida var. pauciflora G. F. Hrusa, J. Glazner 1997-8-3 14040 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Uncommon, robust, apparently rhizomatous plant to 1.5 m. tall in lower, wetter part of meadow. Comment
  CDA24998  Tragopogon dubius J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC377061  Tragopogon dubius John Thomas Howell; Gordon H. True 1972-5-12 48723 Placer Baxter 1219 Comment
  UC146419  Trifolium cyathiferum Miss Harriet A. Walker 1908-7-25 1386 Placer Cisco Comment
  UCD75820  Trifolium cyathiferum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5174 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
  SJSU8021  Trifolium cyathiferum Virginia Hardham 1965-6-27 Placer by Hwy 89, 4.5 mi S of Truckee 1767 Comment
  SFV8467  Trifolium depauperatum L. Gould 1962-3-31 20 Placer Powerline Road about 4 miles west of Roseville. 46 Comment
  UCR207872  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2009-4-22 14570 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCR250069  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
  UCR257558  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-4-23 22781 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
  SDSU5276  Trifolium dubium D. F. Howe 1965-5-21 4066 Placer Canyon on south side of north fork of American River between Forest Hill and Yankee Jims. 914 Comment
  UCR242553  Trifolium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17457 Placer Northern Sierra Nevada Mountains Foothills, along CA-49 southeast of Auburn at a trail entrance to the Auburn State Recreation Area 354 Comment
  SD255755  Trifolium hirtum George K. Helmkamp, Amy Barnes 2014-3-21 22643 Placer Sacramento Valley; Sheridan, Riosa Road at the west side of its junction with old CA 65. 32 Comment
  UCD111146  Trifolium hirtum G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10126 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  UCD111203  Trifolium hirtum K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, about 10 miles east of Auburn. 500 Comment
  UCD35459  Trifolium hirtum Beecher Crampton 1957-5-7 3993 Placer 2 miles north of Lincoln, along U.S. Highway 99 E. Comment
  CDA4332  Trifolium hybridum Hanley 1956-6-2 Placer Roseville/Lincoln. 0 Comment
  SEINET7072696  Trifolium incarnatum A. G. Vestal 1963-5-6 s.n. Placer North of Loomis and southeast of Lincoln on Sierra College Blvd. [Humphrey Road]. UTM Zone 10, 654588E, 43033126mN. Coordinate datum: NAD 27. Comment
  SEINET9260873  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-1 22809 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  UCR207889  Trifolium incarnatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14572 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCD111274  Trifolium longipes R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). 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
  UC630808  Trifolium longipes var. hansenii A. A. Heller 1909-7-16 9860 Placer Summit 2133 Comment
  UC866865  Trifolium macraei Eliz. Parsons Hawver 1913-5-1 Placer Auburn Comment
Read comments
Feb 7 2017
  SEINET12157230  Trifolium monanthum C. F. Sonne 1884-1 59 Placer Canyon above Coldstream Comment
  JEPS127546  Trifolium monanthum subsp. tenerum Steve Matson 1997-7-10 88 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; North Ave. dirt road extension to meadow near west fork of Snow Creek. Comment
  JEPS59437  Trifolium monanthum var. parvum Ezra Brainerd and Viola B. Baird 1915-7-21 157 Placer trail up river to Lake Tahoe; Sierra Nevada Mtns 1889 Comment
  HSC26673  Trifolium pratense Thomas W. Nelson 1972-11-25 703 Placer Del Oro Rd. near Roseville Comment
  SD254628  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22417 Placer Sierra Nevada Mountains Foothills; Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Roadd. 651 Comment
  UC450024  Trifolium pratense Katharine Brandegee Aug. 1911 Placer Tahoe Tavern Comment
  UCD163053  Trifolium retusum Robert E. Preston 2014-4-22 2959 Placer 1.8 mi SE of Sheridan, on terraces adjacent to Yankee Slough, E of old Hwy 65. 30 Comment
  SD247433  Trifolium subterraneum George Helmkamp 2013-3-1 20151 Placer Sacramento Valley: Ranch Hose Road, 0.6 mile southeast of Riosa Road in Sheridan (Lincoln 7.5'Q) 36 Comment
  SEINET7375918  Trifolium tridentatum A. Beninghoff 1930-4-20 1779 Placer Lincoln Comment
  UCD109441  Trifolium variegatum var. geminiflorum R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  CHSC81510  Trifolium willdenovii D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  UCR208606  Trifolium willdenovii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14618 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  JEPS127544  Trifolium wormskioldii Steve Matson 2000-7-9 476 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, east of Martis Creek, logging road bridge. Comment
  SEINET7067117  Trifolium wormskioldii A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. Comment
  UCD14316  Trillium albidum Dan Cederquist 1984-5-22 18 Placer Rollins Lake. Comment
  CAS-BOT-BC519122  Trillium albidum Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UC142115  Trillium angustipetalum Abigail Smith 1899-4-1 Placer Applegate Comment
  UC219134  Triphysaria eriantha subsp. eriantha unknown May, 1891 Placer Auburn Comment
  UC718457  Triphysaria eriantha subsp. eriantha Carl B. Wolf 1937-3-30 8345 Placer on Penryn Road 4 8/10 mi e Lincoln; Sacramento Valley, e of Lincoln 91 Comment
  UCR206357  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2009-3-11 14386 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  SD44180  Triphysaria pusilla Darley F. Howe 1948-5-20 Placer Placer Co. 456 Comment
  SEINET11261457  Triphysaria versicolor subsp. faucibarbata George Helmkamp, E. A. Helmkamp 2011-4-10 17158 Placer In Sacramento Valley along Riosa Road at the E edge on the village of Sheridan.; 0 41 Comment
  CAS-BOT-BC193496  Trisetum cernuum Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca. 3 mi. S of French Meadow - Sierra Nevada 1600 Comment
  UCR146856  Trisetum projectum Beecher Crampton 1964-7-21 7115 Placer Sierra Nevada Mtns, 0.5 mile WNW of Cisco Grove on US Hwy 40 1707 Comment
  SACT002459  Trisetum spicatum D. Meyer 1984-8-4 Placer 9.6 km north of Hell Hole overlooking French Meadows 1879.0 Comment
  UCD74230  Trisetum spicatum Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 207 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2151 Comment
  SACT002465  Trisetum wolfii Michael Baad 1976-8-7 Placer Junction of Bear Lake Trail with Barker Creek to the Rubicon Trail 2316.48 Comment
  RSA0039278  Triteleia hyacinthina George K. Helmkamp, Amy Barnes 2013-3-28 20281 Placer along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SD236128  Triteleia hyacinthina G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13295 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36 Comment
  UC843587  Triteleia hyacinthina Marcus E. Jones, A. M. 1882-6-30 3513 Placer Emigrant Gap 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
  CAS-BOT-BC522018  Triteleia hyacinthina Gordon H. True 1971-4-21 6519 Placer Valley Grassland on Roseville-Lincoln Highway ca. 5 miles north of Roseville Comment
  SEINET3127296  Triteleia ixioides W. H. Evans 1891-8-1 sn Placer<