Search Results — 2000 specimen records retrieved (1330 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78004  Abies concolor John Thomas Howell; Gordon H. True 1970-7-14 5514 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  JEPS47969  Abies concolor Platt 1906-1-1 Sierra Independence lake Comment
  NY29218  Abies lowiana J. G. Lemmon 1874-1 210 Sierra Comment
  RSA17917  Abies magnifica H. A. Barker 1926-7-3 s.n. Sierra Sierra Nevada; Packer Lake. Comment
  UCD134192  Abies magnifica John Thomas Howell; Gordon H. True 1970-7-14 5513 Sierra At Verdi Peak Lookout, Verdi Range. 2560 Comment
  SEINET10794809 Image available Abies magnifica John G. Lemmon 1874-1 Lemmon 210 Sierra Comment
  SEINET11403727  Abies magnifica P. A. Lehenbauer 1936-10-4 s.n. Sierra Gold Lake Comment
  SEINET7884285 Image available Abies magnifica P. A. Lehenbauer 1936-1 s.n. Sierra Gold Lake Comment
  UC336722  Abies magnifica var. magnifica unknown 1867-1 Sierra Webber Lake Comment
  SBBG71268  Acer glabrum J. G. Lemmon -May-1870 100 Sierra Sierra Valley Comment
  CAS-BOT-BC331042  Acer glabrum var. glabrum Catherine Best 1982-7-12 747 Sierra Sierra Nevada, above Packer's Lake in the direction of the Sierra Buttes 2011 Comment
  UC1119862  Acer glabrum var. glabrum C. G. Albertus 1935-9-11 281 Sierra 1 mi ssw Sawmill; Tahoe National Forest, Sierraville Quad. Comment
  UC338306  Acer glabrum var. glabrum unknown 1889-6-8 Sierra Gold Lake Comment
  CHSC52493  Acer glabrum var. torreyi L. P. Janeway 1984-8-5 969 Sierra Ridgetop just south of Packer Saddle. 2148 Comment
  JEPS125811  Acer macrophyllum William Harnach 2015-4-13 1399 Sierra 1.6 miles West of the Sierra City post office on Highway 49. Comment
  UCD117045  Acer macrophyllum P. B. Schultz 1967-6-30 32 Sierra 2 miles east of Downieville. 929 Comment
  CAS-BOT-BC28862  Achillea millefolium Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CHSC56515  Achillea millefolium L. P. Janeway 1984-8-18 1005 Sierra At second switchback to the south, down the road from Packers Saddle. 1965 Comment
  JEPS125646  Achillea millefolium Shuxiao Zhang 2015-7-8 007 Sierra On property south of Packer Lake and west of Tamarack Lakes, in Tahoe National Forest area. Comment
  SBBG25622  Achillea millefolium K. K. Muller 1963-8-15 1233 Sierra 3 mi N of Gold Lake on Gold Lake Rd between St Hwys 49 and 89 Comment
  UCSB27163  Achillea millefolium Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of California State Highway 49, along road to Graeagle, Sierra Buttes, Sierra Nevada 1981 Comment
  CAS-BOT-BC28868  Achillea millefolium W. Harnach; N. Harnach 1989-6-25 179 Sierra Sierra Valley. Calpine Ranch (home). 1508 Comment
  UC1562340  Achnatherum hymenoides Vernon Oswald and Lowell Ahart 1990-7-25 4386 Sierra ca 1.5 mi s Staverville Rd (between Balls Ranch and Old Fish Farm) 1950 Comment
  SEINET10611203  Achnatherum hymenoides John G. Lemmon 1874-1 Lemmon 222 Sierra Comment
  CDA9343  Achnatherum lemmonii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .319 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 Comment
  UC333559  Achnatherum lemmonii unknown Oct. 1890 5451 Sierra Sierra Valley Comment
Read comments
Jul 12 2007
  UCD50518  Achnatherum lemmonii Freed W. Hoffman 1946-6-11 1837 Sierra Between Sierra Valley and Yuba Pass, Sierra County. Comment
  CAS-BOT-BC216914  Achnatherum occidentale David D. Keck 1944-7-8 5407 Sierra E side of Yuba Pass, near base, 2 miles NW of Sattley 1615 Comment
  UC717975  Achnatherum occidentale subsp. californicum David D. Keck 1944-7-8 5401 Sierra near mouth of Sardine Creek (3 mi ne of Sierra City on North Fork of North Fork of Yuba River); Sierra Nevada, North Fork of North Fork of Yuba River 1584 Comment
  UC717983  Achnatherum occidentale subsp. pubescens David D. Keck 1944-7-8 5406 Sierra 2 mi nw Sattley (e side of Yuba Pass); Sierra Nevada 1615 Comment
  CHSC105787  Acmispon americanus var. americanus Lowell Ahart 2010-9-15 17159 Sierra Open areas, around trees, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  SEINET5327459  Acmispon nevadensis var. nevadensis M. J. Williams, A. Tiehm 1974-6-2 74 -A-2 Sierra [Sierra Nevada] N end of Hwy 89 1615 Comment
  SJSU12224  Acmispon nevadensis var. nevadensis N. A. Hopkins 1982-6-19 1065 Sierra 1 mi S of Calpine 1524 Comment
  CHSC43384  Acmispon parviflorus Lowell Ahart 1978-6-4 1762 Sierra Along the Foote Road, about 5 miles south of Alleghany. 1219 Comment
  CHSC45411  Aconitum columbianum Lowell Ahart 1975-8-17 944 Sierra In a meadow, south of Jones Valley, about 3 miles west and 2 miles south of Webber Lake. 2286 Comment
  UCD18568  Aconitum columbianum Roman Gankin 1951-7-16 46 Sierra near north fork of North Fork of Yuba River, State Hwy 49, near Pioneer Lodge, Sierra Buttes Recreation Area. 1798 Comment
  CAS-BOT-BC391503  Aconitum columbianum subsp. columbianum George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC391502  Aconitum columbianum subsp. columbianum H. Albert Barker 1926-7-1 3 Sierra South of Sierraville on road to Truckee 1828 Comment
  CAS-BOT-BC412903  Aconogonon davisiae G. Earle Kelley 1919-1-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC412902  Aconogonon davisiae A. R. Kruckeberg 1954-8-2 3682 Sierra Along trail to Sierra Buttes, 1/2 mile above upper Tamarack Lake 2438 Comment
  CHSC66819  Aconogonon phytolaccifolium Vernon H. Oswald; Lowell Ahart 1996-8-19 8214 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 0.4 mi N of the road to Haypress Valley. 2225 Comment
  SJSU14288  Adenocaulon bicolor N. A. Hopkins 1989-7-4 1560 Sierra 1 mi SW of Calpine 1524 Comment
  CHSC61922  Agastache urticifolia Lowell Ahart 1993-9-24 7260 Sierra On the north side of Mount Fillmore, about 1/2 mile south of the dirt road from Gibsonville to Johnsville. 2042 Comment
  CHSC73403  Ageratina occidentalis B. Castro; L. Gehrung, H. Durio 1995-9-14 617 Sierra Ca 0.8 air mi SW of the top of Mt. Fillmore, and ca 0.2 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. 1962 Comment
  UC86231  Ageratina occidentalis J. G. Lemmon 1874-1 96 Sierra Comment
  CAS-BOT-BC29601  Agoseris X dasycarpa Alice Eastwood 1918-6-29 7842 Sierra Loyalton Comment
  CAS-BOT-BC15458  Agoseris glauca var. glauca D. E. Breedlove 1962-6-13 3504 Sierra 1.5 miles north of Sierraville on State Hwy. 89 1524 Comment
  CAS-BOT-BC15443  Agoseris grandiflora var. grandiflora H. M. Hall; E. B. Babcock 1903-7-1 4468 Sierra Sierra Valley 1524 Comment
  CAS-BOT-BC15347  Agoseris heterophylla Alice Eastwood 1918-6-29 7853 Sierra Loyalton Comment
  CHSC112179  Agoseris monticola Dean Wm. Taylor 2012-8-10 21150 Sierra Sierra Nevada (Jepson Manual nSNH region). 1001 Ridge (ca. 4 air miles S of Yuba Pass). 2377 Comment
  CAS-BOT-BC13332  Agoseris retrorsa Clare B. Hardham 1961-5-15 7416 Sierra Yuba Pass Comment
  SJSU11998  Agoseris retrorsa N. A. Hopkins 1979-6-9 940 Sierra c. 3 mi NW of Sattley 1524 Comment
  SEINET8584728  Agropyron cristatum W. Harnach 2013-6-8 1365 Sierra Long Valley Road and Hwy 395 at the CA state line (just N of Bordertown, NV). 1567 Comment
  JEPS102755  Agropyron desertorum Lowell Ahart 2001-8-10 9081 Sierra On the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  UCD52412  Agrostis exarata A. A. Beetle 1944-8-17 3043 Sierra near summit of Yuba River. 1935 Comment
  CAS-BOT-BC139236  Agrostis idahoensis Lowell Ahart 1977-8-2 1522 Sierra Found on north side of Mount Fillmore. 609 Comment
  CAS-BOT-BC139238  Agrostis idahoensis Gordon H. True 1971-9-7 7036 Sierra In Cold Stream Canyon ca. 3.5 miles south of Perazzo Meadows. 2377 Comment
  CHSC105825  Agrostis idahoensis Lowell Ahart 2010-8-3 17036 Sierra Disturbed area along a small stream that flows into Negro Creek east side of the poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  CHSC61936  Agrostis pallens Lowell Ahart 1993-9-24 7245 A Sierra On the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CHSC61937  Agrostis pallens Lowell Ahart 1993-9-24 7245 Sierra On the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CAS-BOT-BC138783  Agrostis scabra Lowell Ahart 1980-9-9 2607 Sierra Sierra Nevada. Between the outlet of Webber Lake and Little Truckee River. 2200 Comment
  UCD53455  Agrostis stolonifera P. B. Kennedy 1929-9-1 s.n. Sierra Gibsonville, road off from Quincey. Comment
  CAS-BOT-BC138566  Agrostis variabilis Catherine Best 1981-6-18 s.n. Sierra Sierra Nevada. On the Salmon Lake Road about one mile southeast of Salmon Lake. 1828 Comment
  CHSC61939  Agrostis variabilis Lowell Ahart 1993-9-10 7204 Sierra About 1/4 mile south of where the poor dirt road ends at the stream, camp and water ditch, on the north side of Mount Fillmore, about 1 mile southwest of the dirt road from Gibsonville to Johnsville. 2225 Comment
  SEINET4342218  Agrostis variabilis P. B. Kennedy, S. B. Doten 1901-7-23 217 Sierra Lincoln Valley Comment
  SEINET5335992  Agrostis variabilis P. B. Kennedy, Samuel Bradford Doten 1901-7-23 217 Sierra Lincoln Valley Comment
  CHSC73866  Allium campanulatum B. Castro 1997-6-25 744 Sierra Ca 7 air mi NE of LaPorte, on Sawmill Ridge, at NE corner of jcn Co. Rd 900 (to Johnsville) and USFS Rd 22N10 (to Bunker Hill Ridge). 1914 Comment
  HSC97063  Allium campanulatum L. Ahart 2006-6-28 12871 Sierra 3/4 mi. E of Lake Delahunty, 2 mi. NE of Gibsonville 1784 Comment
  SDSU11557  Allium campanulatum D. F. Howe 1964-7-28 3885 Sierra 5.5 miles south of Glod Lake Lodge, Tahoe National Forest 1829 Comment
  UCD138509  Allium campanulatum N. Hopkins 1973-6-22 471 Sierra Packer Lake. Comment
  UC584335  Allium lemmonii G. L. Stebbins Jr. and J. A. Jenkins 1937-5-21 2114 Sierra on road to Loyalton 3 1/2 mi ne Sierraville; Newman Point 1515 Comment
  CAS-BOT-BC472756  Allium lemmonii D. E. Breedlove 1962-6-13 3495 Sierra State Hwy. 89, 6.8 miles north of Sierraville 1524 Comment
  CAS-BOT-BC472758  Allium lemmonii G. L. Stebbins; J. A. Jenkins 1937-5-21 2114 Sierra Newman Point, 3 1/2 miles northeast of Sierraville, on road to Loyalton 1524 Comment
  CAS-BOT-BC472760  Allium lemmonii Rimo Bacigalupi; H. L. Mason; J. R. Sweeney 1953-7-8 4294 Sierra Middle of Sierra Valley, along road from Hawley railway station (on Western Pacific main line) to Loyalton 1481 Comment
  SEINET3885786  Allium lemmonii D. W. McNeal 1976-6-2 1919 Sierra Beside Highway #89, 10.1 miles South of its jct. with Highway #49 in Sierraville.; 0 Comment
  SEINET8191147  Allium parvum W. Harnach, N. Harnach 1989-4-8 014 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch. 1509 Comment
  CAS-BOT-BC476709  Allium validum Mrs. E. C. Sutcliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  NY247886  Allium validum J. G. Lemmon 1874-1 s.n. Sierra Comment
  UCD21012  Allium validum E. Bortiri 2002-7-4 WFC 60 Sierra Gold Valley, near Sierra Buttes and Packer Lake, Sierra Co. Comment
  CHSC69184  Allophyllum divaricatum Vernon Oswald; Lowell Ahart 1997-8-19 8829 Sierra Mountain House Rd. (County Rd. 300) 1.1 mi southwest of the town of Forest (between Goodyears Bar and Alleghany). At base of roadcut. 1417 Comment
  SJSU12060  Allophyllum gilioides N. A. Hopkins 1971-6-14 391 Sierra Lemon Canyon Rd c. 2.5 mi ESE of Sierraville 1676 Comment
  CHSC47683  Allophyllum integrifolium Lowell Ahart 1989-8-16 6377 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir. 1706 Comment
  CAS-BOT-BC171388  Alnus incana subsp. tenuifolia Lewis S. Rose 1934-7-14 34361 Sierra Gold Lake 1950 Comment
  JEPS78177  Alnus incana subsp. tenuifolia Gary W. Zamzow 1972-6-27 35 Sierra down Sardine Lake Road 2 mi from Highway 49 (20 m s of bathhouse); Sand Pond 1828 Comment
  RSA88592  Alnus incana subsp. tenuifolia J. T. Howell 1951-8-21 28275 Sierra Yuba Pass. 2043 Comment
  UC1135169  Alnus incana subsp. tenuifolia G. T. Nordstrom 1936-7-9 932 Sierra 2 mi nw Dog Valley; Tahoe National Forest, Sierraville Quadrangle Comment
  SEINET10478562  Alnus incana subsp. tenuifolia Heidi H. Schmidt 1993-6-13 Schmidt 854 Sierra Tahoe National Forest. On state highway 89 at Calpine. 3 miles N of junction with state highway 49. 1585 Comment
  SEINET8066532  Alnus incana var. occidentalis P. A. Lehenbauer 1937-6-8 109 Sierra 25 miles west of Reno, Nevada, on Truckee River at Iceland 1676 Comment
  UC847454  Alnus rhombifolia Alice Eastwood 1918-4-6 6767 Sierra Downieville Comment
  CHSC81078  Alopecurus aequalis Lowell Ahart 2001-8-10 9096 Sierra Along the river and around the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  UCD55831  Alopecurus aequalis Beecher Crampton 1958-6-24 4942 Sierra 12 miles south of Sierraville, along the Little Truckee River. 1828 Comment
  CAS-BOT-BC137981  Alopecurus pratensis Catherine Best 1980-6-12 s.n. Sierra Sierra Nevada. On Highway 49 1 mile west of Susanville. 1524 Comment
  CDA11870  Alopecurus saccatus G. F. Hrusa, J. Jokerst 1991-7-5 8531 A Sierra Sierra Valley Region; Bottom of Antelope Valley. Comment
  JEPS102639  Amaranthus californicus Lowell Ahart 2001-8-10 9076 Sierra Strand of Stampede Reservoir, about 1 mile SW of Henness Pass Road, about 1 1/4 miles NW of the Stampede Reservoir Dam. 1810 Comment
  JEPS113958  Amaranthus powellii W. and N. Harnach 2000-8-22 980 Sierra Sierra Valley 1.0 miles east of Calpine, CA on Calpine Road. (home) Comment
  SEINET7898278  Amaranthus retroflexus W. Harnach, N. Harnach 2000-8-22 980 Sierra 1.0 miles east of Calpine, CA on Calpine Road. (home) 1504 Comment
  CAS-BOT-BC136700  Amelanchier alnifolia var. pumila Elmer I. Applegate 1921-9-7 3368 a Sierra Gold Lake, northern Sierra County 1981 Comment
  SJSU11963  Amelanchier alnifolia var. pumila N. A. Hopkins 1970-6-10 321 Sierra near Packer L 1897 Comment
  RSA232654  Amelanchier pallida Larry E. DeBuhr 1972-5-21 583 Sierra Tahoe National Forest; along Hwy. 49 east of Sierra City. 1524 Comment
  SEINET6190538  Amelanchier pallida P. A. Lehenbauer 1937-6-8 86 Sierra 26 miles west of Reno, on Truckee River at Iceland, south side of river near falls 1676 Comment
  CAS-BOT-BC136871  Amelanchier utahensis Volney Rattan s.n. Sierra Independence Lake Comment
  CAS-BOT-BC136875  Amelanchier utahensis M. Lavin 1982-6-27 4159 Sierra Salmon Lake, north of Sierra Buttes, 13 miles from Portola 1981 Comment
  CAS-BOT-BC136877  Amelanchier utahensis W. Harnach; N. Harnach 1989-5-9 073 Sierra Sierra Valley. Newman Point (Rice on map) 1524 Comment
  UC1127789  Amelanchier utahensis C. G. Albertus 1935-8-27 274 Sierra 0.5 mi nne Sattley; Sierra National Forest, Sierraville Quad. 1524 Comment
  UC1515789  Amelanchier utahensis Baki Kasapligil 1959-5-24 3134 Sierra Sand Lake Comment
  CAS-BOT-BC494135  Amsinckia intermedia William Harnach 2002-5-29 1069 Sierra Sierra Valley. Newman Point (Rice on the maps) approx. 5 mi NE of Sierraville on Hwy 49 1531 Comment
  SEINET12480304  Amsinckia menziesii W. Harnach, N. Harnach 1989-5-9 072 Sierra Sierra Valley, Approx 5 miles N of Sierraville on Hwy 49, Newman Point (Rice on map). 1524 Comment
  CHSC45532  Angelica breweri L. P. Janeway 1984-8-12 997 Sierra Ridgetop just south of Packer Saddle. 2148 Comment
  CAS-BOT-BC64788  Antennaria W. Harnach; N. Harnach 1990-4-22 276 Sierra Sierra Valley. Newman Point (east side of hwy and up the slope). 1554 Comment
  UC1125551  Antennaria argentea G. T. Nordstrom 1936-7-9 926 Sierra 2 mi nw Dog Valley; Sierraville Quad. 1981 Comment
  CHSC73740  Antennaria dimorpha B. Castro; M. A. Griggs, Plumas NF botanists 1997-7-10 771 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. 2136 Comment
  UC585075  Antennaria dimorpha E. B. Babcock, G. L. Stebbins Jr. 1936-6-5 1714 Sierra 2 mi w, on rd to Sierraville, (se edge of Sierra Valley) Loyalton; Sierra Valley 1615 Comment
  CAS-BOT-BC58657  Antennaria luzuloides Alice Eastwood 1918-6-29 7833 Sierra Loyalton Comment
  CAS-BOT-BC58656  Antennaria luzuloides Lemmon s.n. Sierra Sierra Valley Comment
  SJSU9809  Antennaria luzuloides C. W. Sharsmith 1982-5-30 8660 Sierra 2 mi N of Sattley on Sattley-Beckwourth Road, Sierra Valley 1524 Comment
  SJSU9810  Antennaria luzuloides C. W. Sharsmith 1982-5-30 8660 .5 Sierra 2 mi N of Sattley on Sattley-Beckwourth Road, Sierra Valley 1524 Comment
  UC193582 Image available Antennaria luzuloides J. G. Lemmon 1872-1 Sierra Sierra Valley; ; Sierra Valley, Sierra Co. Comment
  CHSC74625  Antennaria rosea subsp. confinis B. Castro; M. A. Griggs 1997-7-10 773 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. 2133 Comment
  JEPS102367  Antennaria rosea subsp. confinis Lowell Ahart 2001-8-10 9099 Sierra about 5 air miles E of Webber Lake (about 200 ft SW of diversion dam on Little Truckee River, 100 yds S of Fiberboard Road (FSR 18), about 1/8 mi N of Henness Pass Road) 1920 Comment
  UCD72551  Anthemis arvensis A. M. Shapiro 2008-9-17 s. n. Sierra about 1.6 mi. N. Sierraville. 1524 Comment
  RSA237222  Anthemis cotula Frederick W. Oettinger 1967-6-28 140 Sierra Along Salmon river near Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  JEPS83280 Image available Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-9-11 381 B Sierra 0.4 mi w center of bridge over Downie River (n side of road); Downieville Quad. (7.5', 1951), Downieville; Bridge of Downie River, Downieville, Sierra Co. 902 Comment
  RSA21695  Antirrhinum vexillocalyculatum subsp. intermedium Carl B. Wolf 1937-8-6 9055 Sierra Northern Sierra Nevada. No. Fork of Yuba River, 5 mi. above Downieville. 1067 Comment
  SEINET10880482 Image available Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-9-11 Thompson 381 B Sierra 0.4 miles W. of center of bridge over Downie River in Downieville, N. side of road. Downieville Quad. (7.5', 1951). T20N, R10E, SW 1/4 of NE 1/4 Sec. 35. Silvery serpentine, gravelly rockslides. 902 Comment
  CAS-BOT-BC218519  Apiaceae Gladys L. Smith 1959-6-20 1241 Sierra Downgrade north of Gold Lake, Sierra Nevada 1981 Comment
  SD123502  Apocynum androsaemifolium Robert F. Thorne 1974-7-30 45042 Sierra Tahoe National Forest, Goose, Haven and Snag Lake areas. 2054 Comment
  UC1123465  Apocynum androsaemifolium H. S. Yates 1935-6-29 5296 Sierra 2 mi. s.e. Lower Salmon Lake; Tahoe Nat'l Forest, Downieville Quad. Comment
  CAS-BOT-BC383090  Aquilegia formosa Andrew Townesmith; Karen M. Meyer 2007-7-16 815 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 1.1 miles west of junction with county road 860 1916 Comment
  CAS-BOT-BC407122  Aquilegia formosa H. Albert Barker 1926-7-2 22 Sierra Packer Lake Creek 1953 Comment
  SEINET5337693  Aquilegia formosa var. truncata P. B. Kennedy, Samuel Bradford Doten 1901-6-1 64 Sierra [Sierra Nevada] Webber Lake Comment
  HSC96836  Arabis constancei L. Ahart 2006-6-28 12874 Sierra 3/4 air mi. E of Lake Delahunty, 2 air mi. NE of Gibsonville 1836 Comment
  JEPS108831  Arabis constancei Lowell Ahart 2006-6-28 12874 Sierra Northwest slope of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1835 Comment
  SEINET5340705  Arabis pulchra S. B. Doten 1901-7-2 71 Sierra [Sierra Nevada] Near Webber Lake Comment
  CDA38200  Aralia californica Doris V. Leiser 1961-10-21 s.n. Sierra Vicinity of Downieville. 0 Comment
  SJSU12015  Arctostaphylos mewukka N. A. Hopkins 1975-5-10 648 Sierra near confluence Wild Plum Cr & N Yuba R 1310 Comment
  CAS-BOT-BC45428  Arctostaphylos nevadensis Mrs. S. G. Suttiffe 1926-10-16 s.n. Sierra Salmon Lake. Comment
  CAS-BOT-BC45432  Arctostaphylos nevadensis Catherine Best 1981-6-18 s.n. Sierra On the Packer's Lake Rd. Comment
  SEINET11995484  Arctostaphylos nevadensis Unknown 1988-1 s.n. Sierra near Sardine Lake 1890 Comment
  CAS-BOT-BC46501  Arctostaphylos patula Alice Eastwood 1918-4-6 6770 Sierra Downieville. Comment
  CAS-BOT-BC46505  Arctostaphylos patula Albert H Barker 1926-7-11 120 Sierra Gold Lake to Blairsdeu Grade. 1828 Comment
  CAS-BOT-BC46548  Arctostaphylos patula Roman Gankin 1988-10-19 s.n. Sierra Between Bassett's on w. side of Yuba Pass to junction of state route 49 and state route 89. 1950 Comment
  UC495578  Arctostaphylos patula Merle Randall 1930-6-26 Sierra Falls Lake Tahoe Region, Hawley Grade Comment
  UCD15412  Arctostaphylos patula Lorraine Prunier 1982-5-22 25 Sierra California, Sierra Co.; 9.8 mi W of Sierra City on Hwy 49; Comment
  UCD40238  Arctostaphylos patula Rodney Gale Myatt 1972-6-1 1578 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  UCD40313  Arctostaphylos patula Rodney Gale Myatt 1971-7-3 838 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  SEINET7262896  Arctostaphylos patula K. Walker 1954-5-13 21 Sierra [Sierra Nevada] Dog Valley, on the grade into the valley, 8 or 10 miles from Verdi 1417 Comment
  CHSC98990  Arctostaphylos patula subsp. gankinii Lowell Ahart 2008-6-4 14809 Sierra On the north side of Forest Road 98, about 2 miles (air) northeast of Harris Meadow, about 9 1/2 miles (air) northeast of Alleghany. 1906 Comment
  CAS-BOT-BC45332  Arctostaphylos viscida subsp. viscida Alice Eastwood 1918-4-6 6773 Sierra Downieville Comment
  JEPS125681  Arctostaphylos viscida subsp. viscida William Harnach 2013-4-6 1300 Sierra 1.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  UC585237  Arenaria congesta var. subcongesta E. B. Babcock and G. L. Stebbins Jr. 1936-6-5 1716 Sierra 2 mi w Loyalton (on road to Sierraville, S.E. edge of Sierra Valley); Sierra Valley 1615 Comment
  CHSC63621  Arenaria kingii var. glabrescens B. Castro; Toni Fauver, L. Hanson 1989-6-21 320 Sierra Sierra Buttes, on trail above Long Lake. 2011 Comment
  SJSU13869  Argemone munita N. A. Hopkins 1985-7-3 1283 Sierra bbetween Sierraville & Lemon Canyon c. 2 mi E of Sierraville Comment
  CAS-BOT-BC401664  Argemone munita subsp. munita W. Harnach; N. Harnach 1991-7-24 655 Sierra Sierra Valley. Lemon Canyon road, approx 1 1/2 miles east of Hwy 49 1524 Comment
  SEINET10877440 Image available Argythamnia lanceolata Cyrus G. Pringle 1889-4-15 Pringle 15968 Sierra Sierra Tucson, Arizona Comment
  CAS-BOT-BC82243  Arnica chamissonis H. M. Hall; E. B. Babcock 1903-7-1 4472 Sierra Sierraville 1524 Comment
  SEINET6774981 Image available Arnica cordifolia P. B. Kennedy 1903-6-27 792 Sierra Dog Valley, near Verdi Comment
  CHSC52928  Arnica dealbata L. P. Janeway 1989-7-28 3536 Sierra Plumas National Forest. Flank of Haskell Pk overlooking hwy 89 and Sulphur Cr. 2179 Comment
  JEPS88368  Arnica dealbata Vernon H. Oswald and Lowell Ahart 1996-8-19 8215 Sierra Yuba Pass-Weber Lake Rd.(Forest Rt. 12) just n road to Haypress Valley; northern High Sierra Nevada 2255 Comment
  SJSU12193  Arnica dealbata N. A. Hopkins 1983-9-1 1178 Sierra along Pacific Crest Trail between Packer Saddle & Deer Lake 2255 Comment
  UC335905  Arnica dealbata J. G. Lemmon Sierra Mt. Lyell to Lassen Peak; Downieville Buttes Comment
  CAS-BOT-BC82402  Arnica discoidea H. Albert Barker 1926-7-19 139 Sierra Gold Lake Ridge 2042 Comment
  RSA417145  Arnica discoidea Robert Gustafson 1985-7-14 3169 Sierra Hwy. 49 at the Sierra Valley overview, east of the Yuba Pass summit 1890 Comment
  SEINET6775044 Image available Arnica discoidea H. Hamlin 1904-1 1523 Sierra Sierra Valley Comment
  CAS-BOT-BC82770  Arnica mollis John Thomas Howell 1969-9-13 46136 Sierra Near the southwest end of Webber Lake 2072 Comment
  CHSC74626  Arnica mollis B. Castro; L. Gehrung, H. Durio 1995-9-14 619 Sierra Ca 0.7 air mi SW of the top of Mt. Fillmore, and ca 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. 1962 Comment
  JEPS125729  Arnica nevadensis William Harnach 2015-8-5 1435 Sierra Approximately 3.4 air miles SE of Yuba Pass. Comment
  SEINET6775134 Image available Arnica nevadensis W. Harnach, N. Harnach 2000-7-9 941 Sierra Chapman Saddle Rd., 0.25 miles east of intersection of Lunch Creek Rd. 2027 Comment
  SEINET8655786 Image available Arnica nevadensis W. Harnach 2015-8-5 1435 Sierra Approx. 3.4 air miles SE of Yuba Pass. 2333 Comment
  UC1494011  Arnica nevadensis Gerald B. Straley with Roy L. Taylor 1978-8-4 1870 Sierra along trail from Packer Lake to Sierra Buttes 2560 Comment
  CAS-BOT-BC85063  Arnica parryi Javier Penalosa 1962-6-20 2512 Sierra Sierra Nevada - Little Truckee River at Highway 89. 1905 Comment
  CAS-BOT-BC146262  Arrhenatherum elatius var. elatius Catherine Best 1981-6-17 s.n. Sierra Sierra Nevada. Sierra Valley 1 mile west of Sierraville on Highway 89. Comment
  UC1119352  Artemisia cana subsp. bolanderi A. Lewis 1934-7-20 517 Sierra 1 1/2 mi n Mt. Fillmore; Plumas National Forest, Downieville Quadrangle Comment
  UC193576  Artemisia cana subsp. bolanderi C. F. Sonne 1887-9-1 Sierra Little Truckee River Comment
  HSC93199  Artemisia douglasiana Vernon H. Oswald, L. Ahart 1996-8-19 8189 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12), 2.2 mi. S of Hwy. 49; northern High Sierra Nevada 2134 Comment
  CAS-BOT-BC90468  Artemisia douglasiana L. P. Janeway 1992-9-15 4309 Sierra Small fork of upper Big Boulder Creek about 1.75 mi north of Haskell Peak. Clio quad. 1935 Comment
  CAS-BOT-BC90470  Artemisia douglasiana Roxana S. Ferris 1953-11-8 12702 Sierra About 1 mile from Sierra City on road to Sierra Buttes Comment
  UC579307  Artemisia dracunculus C. G. Albertus 1935-9-17 283 Sierra 2 1/2 mi n Sierraville; Sierraville Quadrangle 1508 Comment
  UCD22400  Artemisia dracunculus Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1332 Sierra Sierra Valley. Along Hwy 49, NE of the town of Sierraville. East side of 89, near entrance to Wallace Ranch, formerly Torri Ranch. 1493 Comment
  SEINET7153327 Image available Artemisia nova R. Eckert 1963-7-23 ARS 7 Sierra North of Verdi, NV on Dog Valley Rd. 2134 Comment
  SEINET7153371 Image available Artemisia nova R. Eckert 1963-7-23 ARS 7 Sierra North of Verdi, Nevada. Dog Valley Rd. 2134 Comment
  CAS-BOT-BC97413  Artemisia tridentata subsp. tridentata W. Harnach; N. Harnach 1990-9-22 528 Sierra Sierra Valley, Calpine Ranch (Home) 1507 Comment
  RSA122551  Artemisia tridentata subsp. tridentata C. G. Albertus 1935-9-20 284 Sierra 1.75 miles southeast of Sierraville. 1524 Comment
  SEINET3358285 Image available Artemisia tridentata subsp. vaseyana A. A. Beetle 1957-8-15 12805 Sierra Truckee. Comment
  CHSC115182  Asarum hartwegii Lowell Ahart 2015-5-9 20184 Sierra On the north side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 miles west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  JEPS124873 Image available Asclepias cordifolia B. Corwin 1964-6-25 99 Sierra On south-facing slope 2 miles west of Downieville on highway 49. Comment
  JEPS124874 Image available Asclepias cordifolia Joe Ammirati 1964-6-25 119 Sierra 2 mi. W. of Downieville on roadside of H.W 49. Comment
  JEPS124875 Image available Asclepias cordifolia M. Wheelis 1964-6-25 105 Sierra 2 mi. W. of Downieville, Highway 49. Comment
  SEINET6833705  Asclepias cordifolia P. B. Kennedy 1903-6-27 785 Sierra Dog Valley, near Verdi. Comment
  SEINET6833752  Asclepias cordifolia H. Hamlin s.n. Sierra Sierra Valley Comment
  SJSU12019  Asclepias cordifolia N. A. Hopkins 1975-6-16 664 Sierra on trail above Pauley Creek between 2nd & 3d Divides 1097 Comment
  JEPS124876 Image available Asclepias fascicularis Roy Funch 1969-6-29 36 Sierra Growing at Roadside 1/4 M E from turnoff to Goodyears Bar from HW 49. Comment
  CHSC10776  Aspidotis californica Lowell Ahart 1969-7-17 Sierra 10 miles south of La Porte near Poverty. 914 Comment
  CAS-BOT-BC68825  Aspidotis densa George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CHSC10659  Aspidotis densa Lowell Ahart 1967-9-29 Sierra Near Sam's Camp. 2438 Comment
  CHSC110243  Aspidotis densa L. P. Janeway 2012-6-24 10903 Sierra Northern High Sierra Nevada. Top of band of serpentine along Sawmill Ridge 1.0 km southeast of Delahunty Lake and 2.7 km northwest of Mt Fillmore. 1901 Comment
  CHSC32058  Aspidotis densa L. Ahart 1973-10-26 284 Sierra Near Alleghany. 1219 Comment
  JEPS110223  Aspidotis densa Lowell Ahart 2006-6-21 12811 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  SJSU4992  Aspidotis densa N. A. Hopkins 1968-7-5 157 Sierra 0.5 mi W of Packer Lake 2072 Comment
  HSC98496  Asplenium viride Dana York 2009-7-14 2968 Sierra 3.1 km NNW of Sierra City, Tahoe National Forest, Sierra Buttes 2527 Comment
  CAS-BOT-BC99203  Aster W. Harnach; N. Harnach 1990-8-17 508 Sierra Sierra Valley - Strang Ranch (Elvers back 80) 1524 Comment
  UCD40300  Aster Rodney Gale Myatt 1971-7-3 795 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  RSA39083  Aster alpigenus Philip A. Munz 1948-8-11 12332 Sierra Carvin Creek on Highway 49, northeast of Sierra City. 1738 Comment
  RSA716410  Aster integrifolius L. Ahart 2005-8-30 12359 Sierra E of Pass Creek, 100 yards SE of the falls on Pass Creek, 1/4 mile S of French meadow, 2.5 miles W of Webber Lake 2074 Comment
  POM148024  Aster integrifolius George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  SEINET11852521  Aster integrifolius J. G. Lemmon 1874-1 103 Sierra Sierra Co., &c., Comment
  RSA239238  Aster occidentalis R. F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42361 Sierra Plumas National Forest: ditch along road near Snag Lake 2058 Comment
  UCR257726  Aster occidentalis var. occidentalis George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19430 Sierra Northern Sierra Nevada Mountains, along Hwy CA-89, c. 8 miles north of the Nevada County line 1823 Comment
  CAS-BOT-BC477886  Asteraceae W. R. Dudley 1894-9-1 s.n. Sierra Lake of the Woods. Comment
  CAS-BOT-BC477888  Asteraceae W. R. Dudley 1894-8-29 s.n. Sierra Near Weber Lake. Comment
  CAS-BOT-BC477891  Asteraceae W. R. Dudley 1896-8-1 s.n. Sierra Near Webber Lake. Comment
  CAS-BOT-BC295340  Astragalus W. Harnach; N. Harnach 1990-5-28 332 Sierra Sierra Valley. Balderson Ranch (Antelope Valley) 1554 Comment
  UCR160543  Astragalus andersonii G. D. Barbe, T. C. Fuller 1973-6-19 1626 Sierra Stateline west of Verdi on (Dog Valley Rd) Smithneck Rd (c. 1mi (1.6km) west of Verdi) 1494 Comment
  CHSC63142  Astragalus bolanderi Lowell Ahart 1994-7-1 7447 Sierra On both sides of Henness Pass Road , at intersection of a logging road to Harris Meadow and Henness Pass Road, about 2 miles south-west of Middle Waters, about 7 1/2 miles (air) north-east of Alleghany. 1950 Comment
  JEPS87627  Astragalus bolanderi Lowell Ahart 1994-7-1 7447 Sierra at intersection of a logging road to Harris Meadow and Henness Pass Road about 2 mi sw Middlewaters (about 7 1/2 mi (air) ne of Alleghany); sw of Middlewaters, ne of Alleghany 1950 Comment
  JEPS95455  Astragalus bolanderi Lowell Ahart 1994-7-1 7447 Sierra 7 1/2 air mi NE of Alleghany (on both sides of Henness Pass Road, at intersection of a logging road to Harris Meadow and Hennis Pass Road, about 2 mi SW of Middlewaters) 1950 Comment
  RSA0002872  Astragalus cyrtoides J. G. Lemmon 1875-1 622 Sierra Sierra Nevada Mtns.: Sierra Valley Comment
  SEINET5324196  Astragalus gibbsii W. Harnach, N. Harnach 1990-5-28 332 Sierra Sierra Valley, W of Loyalton, Balderson Ranch (ANTELOPE VALLEY) 1554 Comment
  JEPS113951  Astragalus gibbsii W. and N. Harnach 2000-5-8 883 Sierra Sierra Valley approx 4 miles west of Loyalton, CA. Just west of the intersection of Hwy 49 and Filippini Road. Comment
  UC82654  Astragalus gibbsii J. G. Lemmon 1875-1 78 Sierra Comment
  POM14579  Astragalus lemmonii Alice Eastwood 1918-6-29 s.n. Sierra Loyalton Comment
  POM123484  Astragalus lentiformis J. G. Lemmon 1874-1 s.n. Sierra Sierra Valley Comment
  SEINET12159917  Astragalus lentiginosus J. G. Lemmon 1874-1 47 Sierra Sierra Co., &c Comment
  UC1714529  Astragalus pulsiferae J. G. Lemmon 1874-1-1 515 Sierra Long Valley Comment
  RSA795984  Astragalus purshii James R. Shevock 1985-5-19 11143 Sierra Tahoe National Forest. Along California highway 89, 1.4 miles south of Sierraville and about 21 miles north of Interstate 80. 1700 Comment
  UC585208  Astragalus purshii E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1625 Sierra on road to Loyalton about 3 1/2 mi ne Sierraville (se edge Sierra Valley, Newman Point); se edge Sierra Valley, ne of Sierraville, Newman Point 1615 Comment
  SD234125  Astragalus purshii Virginia Pinkus Ryder 1967-5-21 520 Sierra Sierraville. 1584 Comment
  CAS-BOT-BC192962  Astragalus purshii var. purshii W. R. Dudley 1909-8-25 s.n. Sierra Sierra Valley, near Sierraville Comment
  CAS-BOT-BC192963  Astragalus purshii var. purshii Alice Eastwood 1918-6-29 7861 Sierra Loyalton Comment
  CAS-BOT-BC193058  Astragalus purshii var. tinctus M. Boone 1981-5-16 055 Sierra Highway 49 1 mile N. of junction with 89 1524 Comment
  SEINET5326814  Astragalus purshii var. tinctus W. Harnach, N. Harnach 1989-4-30 47 Sierra Calpine, Calpine Road 1498 Comment
  NY5712  Astragalus speirocarpus var. falciformis J. G. Lemmon 1875-1 77 Sierra Comment
  SEINET8671188 Image available Athyrium filix-femina E. Brooks 1879-1 Sierra Sierra and Coast Range Comment
  CAS-BOT-BC17425  Athysanus pusillus Anna Head 1921-6-21 s.n. Sierra Feather River Region. Campbell Hot Springs. Comment
  SCFS756  Avena sativa V. Hardham 1965-7-6 89 Sierra Ditch ca 0.25 mi from Hwy 89, Cal Pine and Beckworth Rds 1524 Comment
  CAS-BOT-BC100045  Balsamorhiza hookeri D. E. Breedlove 1962-6-13 3507 Sierra 1.5 miles north of Sierraville, on State Hwy. 89 1524 Comment
  SEINET7239863 Image available Balsamorhiza sagittata W. Harnach, N. Harnach 1990-4-19 265 Sierra Approx 2.5 air miles NW of Calpine, Knuthson Meadows (commonly called Carman Valley) 1548 Comment
  SEINET7239866 Image available Balsamorhiza sagittata W. Harnach, N. Harnach 1989-5-9 076 Sierra Sierra Valley, Approx 5 N of Sierraville on Hwy 49, Newman Point (Rice on map) 1524 Comment
  UC1119026  Balsamorhiza sagittata G. T. Nordstrom 1936-9-7 920 Sierra 2.1 mi nnw of Dog Valley; Sierraville Quad. 2103 Comment
  POM350746  Balsamorhiza sagittata Robert Gustafson 1984-5-15 2944 Sierra Near the junction of Hwy 49 and 89 Comment
  SBBG7795  Balsamorhiza sagittata H. and M. Dearing 1939-5-9 3312 Sierra N of Sierra Buttes Comment
  SEINET7371790 Image available Balsamorhiza sagittata K. E. Bradshaw 1942-5-20 KB 412 Sierra 3 mi. SW of Purdy. Old Trosi Ranch 1737 Comment
  SEINET5340912  Barbarea S. B. Doten 1901-7-2 71 a Sierra [Sierra Nevada] Near Webber Lake Comment
  CHSC541  Barbarea orthoceras V. Holt 1942-7-18 Sierra Gold Lake. 1950 Comment
  POM308872  Barbarea orthoceras Betty J. Jorgensen 1944-6-22 482 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  CAS-BOT-BC145801  Beckmannia syzigachne Alice Eastwood 1915-6-29 7914 Sierra Loyalton. Comment
  CAS-BOT-BC145850  Beckmannia syzigachne W. R. Dudley 1909-8-27 s.n. Sierra Sierra Valley. East of Hot Springs. Comment
  JEPS76624  Berberis nervosa Gordon H. True and Charlotte Pyle 1977-9-29 8461 Sierra 3.5 mi n Camptonville (on branch of Indian Creek on Joubert-Mt House Rd ca 6.5 mi e of Hwy 49 at Joubert Diggings) 1280 Comment
  SEINET12101693  Berberis repens J. G. Lemmon 1874-1 s.n. Sierra no further locality Comment
  SEINET4176363  Bistorta bistortoides N. Johnson 1951-5-19 66 Sierra Dog Valley, west end 1829 Comment
  SEINET4176607  Bistorta bistortoides J. Robertson 1960-6-18 s.n. Sierra Sagehen Creek, University oF California campus 2134 Comment
  SJSU12118  Blepharipappus scaber N. A. Hopkins 1983-6-15 1141 Sierra Upper Long Valley W of Bordertown 1584 Comment
  CAS-BOT-BC128023  Blepharipappus scaber E. B. Babcock; G. L. Stebbins, Jr. 1936-6-5 1723 Sierra Open valley flat, southeast edge of Sierra Valley, near junction of Smithneck and Bear Valley Creek, 2 miles south of Loyalton 1615 Comment
  UCD135638  Blepharipappus scaber Bruce G. Baldwin 1985-8-26 508 Sierra near Loyalton, 2.0 miles south of California State Highway 49 on Smithneck Road (0.2 mile south of Rancho Circle Drive). Comment
  CAS-BOT-BC16867  Boechera Lowell Ahart 1978-7-29 s.n. Sierra 0.5 mile east of Stafford Mountain. 2200 Comment
  CHSC110244  Boechera constancei L. P. Janeway 2012-6-24 10904 Sierra Northern High Sierra Nevada. Top of band of serpentine along Sawmill Ridge 1.0 km southeast of Delahunty Lake and 2.7 km northwest of Mt Fillmore. 1901 Comment
  CHSC63122  Boechera pinetorum Lowell Ahart 1994-7-1 7444 Sierra On the north side of the larger pond, slope on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  JEPS87604  Boechera pinetorum Lowell Ahart 1994-7-1 7444 Sierra about 11 mi air ne Alleghany (about 1.5 mi ne of Middlewaters, on n side of larger pond, on n side of Henness Pass Road, at Keystone Gap, e of Keystone Mountain); Keystone Gap 1889 Comment
  CAS-BOT-BC14636  Boechera rectissima Gordon H. True; J. T. Howell 1967-8-19 4024 Sierra Sagehen - Independence Lake Road ca. 4.5 miles northwest of Sagehen Creek. 2133 Comment
  CAS-BOT-BC25382  Boechera retrofracta L. Constance 1938-6-8 2296 Sierra Junction of North and South Forks of North Fork of the Yuba River, Sierra City. 1371 Comment
  UCD143728  Boechera sparsiflora Judy Coleman 1976-5-15 s.n. Sierra Dog Valley, going on Crystal Peak Road. 8 miles west of Reno, Nevada. Comment
  CAS-BOT-BC25911  Boechera suffrutescens Lowell Ahart 1975-7-20 s.n. Sierra Sierra Nevada. Near Mount Etna, 4 miles east of Gibsonville. Sierra-Plumas county line. 1981 Comment
  CAS-BOT-BC478475  Boisduvalia W. Harnach; N. Harnach 1989-7-16 226 Sierra Sierra Valley 1493 Comment
  UC1936242  Botrychium multifidum Alan R. Smith with C. D. MacNeill 1980-8-18 750 Sierra a;pmg trail from parking area (just E of Long Lake) to Big Bear Lake 1981 Comment
  RSA0035756  Boykinia occidentalis George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-5 20763 Sierra Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  UC407048  Boykinia occidentalis Rimo Bacigalupi 1927-7-2 1590 Sierra Downieville Road about 8 mi ne Comptonville Comment
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Nov 8 2011
  UCR12054  Boykinia occidentalis Coleta A. Lawler 1968-6-27 105 Sierra Sierra Nevada Mtns., Hwy 49, [Yuba River canyon near Shaughnessy Ravine] 4.8 mi east of Downieville 884 Comment
  UCR249143  Boykinia occidentalis George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20763 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CAS-BOT-BC494122  Brasenia schreberi W. Harnach; N. Harnach 2000-8-5 979 Sierra Sierra Valley. 1.5 mi W of Sierraville, on Hwy 49. Strong Pond 1505 Comment
  POM129345  Brickellia grandiflora Roxana S. Ferris 1926-9-6 6807 Sierra 9 miles from Markleeville on the Ebbetts Pass Road. Comment
  SEINET4345384  Bromus carinatus W. D. Billings 1951-7-8 2115 Sierra Hillside west of Weber Lake Comment
  SEINET4345443  Bromus carinatus P. Lehenbauer 1937-6-8 68 Sierra 25 miles west of Reno on Truckee Road at Iceland, on south side of river by falls 1676 Comment
  CHSC105984  Bromus carinatus var. carinatus Lowell Ahart 2010-9-15 17177 Sierra Along the poor road, 5 yards north of the first pond, 8 yards northwest of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  JEPS110376  Bromus carinatus var. carinatus Lowell Ahart 2006-6-21 12797 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany 849 Comment
  RSA794701  Bromus carinatus var. carinatus L. Ahart 2010-9-15 17177 Sierra Along the poor road, 5 yards north of the first pond, 8 yards northwest of the cabin at the spring, about 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak. 2135 Comment
  UC593530  Bromus carinatus var. carinatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1628 Sierra 3 1/2 mi ne of Sierraville (on road to Loyalton, se edge of Sierra Valley, Newman Point); Sierra Valley, Newman Point 1615 Comment
  CAS-BOT-BC148757  Bromus carinatus var. marginatus John Thomas Howell; Gordon H. True 1970-7-14 5502 Sierra Sierra Nevada. At Verdi Peak Lookout, Verdi Range. 2560 Comment
  CAS-BOT-BC148759  Bromus carinatus var. marginatus Gordon H. True 1971-9-7 7052 Sierra Mount Lola Trail in Cold Stream Canyon. 2286 Comment
  CAS-BOT-BC155306  Bromus inermis John Thomas Howell; Gordon H. True 1970-7-14 5497 Sierra Sierra Nevada. West side of Dog Valley ca. 5 miles northwest of Verdi (Nevada). 1889 Comment
  CAS-BOT-BC155308  Bromus inermis Gordon H. True July 3691 Sierra Intersection of Dog Valley Road with Verdi Peak Road. Comment
  UCD58843  Bromus inermis John Thomas Howell 1962-6-18 37830 Sierra Sierra Nevada. Sattley. 1524 Comment
  CHSC94096  Bromus japonicus Lowell Ahart 2006-6-21 12823 Sierra On the north side of the road, about 2 miles (by road) west of Forest. 1329 Comment
  HSC97011  Bromus laevipes L. Ahart 2006-6-21 12805 Sierra W side of Foote Rd., 3.7 mi. SW of Alleghany 1094 Comment
  JEPS110374  Bromus laevipes Lowell Ahart 2006-6-21 12805 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  UCD59238  Bromus orcuttianus P. B. Kennedy 1929-8-29 s.n. Sierra Highway, Sierra City to Sierraville. Comment
  SEINET4404241  Bromus porteri W. Harnach, N. Harnach 1992-7-4 702 Sierra Sierra Valley, 3/4 miles South of Sattley, Martinetti Ranch, up Barry Creek 1524 Comment
  CAS-BOT-BC185611  Bromus tectorum Lowell Ahart 1978-6-4 s.n. Sierra Sierra Nevada. 4 miles south of Alleghany. 1300 Comment
  SCFS5128  Bromus tectorum Laurie Hooker 1965-7-26 163 Sierra Across Highway 89 from road to Sagehen Station. 1951 Comment
  CAS-BOT-BC185463  Calamagrostis canadensis John Thomas Howell 1969-9-13 46111 Sierra Sierra Nevada. Little Truckee River near outlet of Webber Lake. 2042 Comment
  SJSU8044  Callitriche marginata N. A. Hopkins 1978-9-22 922 Sierra Packer L 1889 Comment
  CHSC97710  Calocedrus decurrens Lowell Ahart 2007-10-25 14505 Sierra About 10 yards east of Port Wine Ridge Road and the remains of two old buildings, about 1 1/2 miles north of Scales, about 5 miles (air) south of La Porte. 1432 Comment
  SEINET11052070  Calocedrus decurrens P. A. Lehenbauer 1936-10-4 s.n. Sierra Gold Lake. Comment
  CAS-BOT-BC487487  Calochortus albus D. S. Smith 1926-4-12 1765 Sierra Above South Fork Yuba-Downieville Rd 609 Comment
  JEPS110365  Calochortus leichtlinii Lowell Ahart 2006-6-21 12834 Sierra About 30 yards west of the road, about 2 1/2 miles (by road) west of Forest. 1397 Comment
  UC593515  Calochortus leichtlinii E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1643 Sierra 0.5 mi ne Sattley (on Church ranch) Comment
  UC66121  Calochortus leichtlinii S. B. Doten 1901-7-5 88 Sierra Webber Lake Comment
  SEINET8197344  Calochortus leichtlinii H. Hamlin 1904-1 s.n. Sierra Sierra Valley. Comment
  SEINET8665911  Calochortus monophyllus W. Harnach 2013-4-25 1317 Sierra 1.6 miles west of Goodyears Bar on Hwy 49 and north of the Ramshorn campground. 858 Comment
  CAS-BOT-BC181496  Caltha leptosepala Lowell Ahart 1968-5-20 s.n. Sierra Sam's Camp, Webber Lake 2133 Comment
  CAS-BOT-BC181498  Caltha leptosepala W. R. Dudley 1894-8-30 s.n. Sierra By road west form Webber Lake to Mountain Lake Comment
  SEINET9106770  Calyptridium paniculatum W. Harnach, N. Harnach 1989-6-24 173 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (Elvers). 1518 Comment
  UC54459  Calyptridium umbellatum H. M. Hall and E. B. Babcock July, 1903 4511 Sierra Gold Lake; Sierra Nevada Mountains, Gold Lake 1950 Comment
  UCD100419  Calyptridium umbellatum Adele Frederich 1922-7-10 s.n. Sierra Downieville, Alabama Hills. 1219 Comment
  UCD126107  Calystegia malacophylla Adeline Frederick 1925-6-28 s.n. Sierra Downieville. Comment
  UCD126133  Calystegia malacophylla Adeline Frederick 1925-6-1 s.n. Sierra Downieville, Sierra Nevada Mountains. Comment
  SEINET8584752  Calystegia malacophylla subsp. malacophylla W. Harnach 2015-5-6 1406 Sierra 1.2 mile south of Goodyears Bar (from the intersection at Hwy 49) on Mountain House Road. 882 Comment
  SD129147  Camassia leichtlinii B. Pitzer, S. Morgan, H. Soldan 1988-5-29 973 Sierra Plumas National Forest, ca. 2.3 miles south of Sierra County line on Highway 89, just before boundary of Tahoe National Forest. Small meadows in pine forest. Comment
  CDA8367  Camassia quamash Tim Gibson 2008-6-3 PDR# 1409473 Sierra Sierraville 0 Comment
  CAS-BOT-BC497581  Camassia quamash subsp. breviflora R. C. Barneby; H. D. Ripley 1942-5-22 4537 Sierra Near Sierraville 1524 Comment
  HSC31362  Camassia quamash subsp. breviflora Larry E. DeBuhr, G. D. Wallace 1972-5-21 584 Sierra Calpine on Hwy. 89 Comment
  SEINET8472129  Camassia quamash subsp. breviflora P. B. Kennedy, S. B. Doten 1901-7-11 149 Sierra Near Webber Lake. Comment
  CHSC69964  Camassia quamash subsp. quamash L. P. Janeway; Eric Schroder 1997-8-14 5335 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. 2042 Comment
  SEINET5344119  Camissonia pusilla W. Harnach, N. Harnach 1990-5-11 288 Sierra Sierra Valley. Plumas-Sierra county line on hwy 49, north of Loyalton 1524 Comment
  CAS-BOT-BC160856  Camissonia tanacetifolia subsp. tanacetifolia L. S. Smith 1927-6-26 2089 Sierra Junes Valley 1981 Comment
  SEINET10939011  Campanula prenanthoides John G. Lemmon 1874-1 Lemmon s.n. Sierra Comment
  SEINET10463466  Campanula scouleri John G. Lemmon 1874-1 Lemmon 4546 Sierra Comment
  CAS-BOT-BC37047  Capsella bursa-pastoris Ted Knowles 1961-5-9 6 Sierra 0.5 mile north of Sierraville, on Highway. 1463 Comment
  CAS-BOT-BC37311  Cardamine breweri W. Harnach; N. Harnach 1990-6-6 347 Sierra Sierra Valley. Martinetti Ranch (Elvers). 1517 Comment
  CAS-BOT-BC37353  Cardamine californica Alice Eastwood 1918-4-6 6772 Sierra Downieville. Comment
  CHSC92087  Carex Lowell Ahart 2005-8-12 12330 Sierra Bog, west of the forest, near the west boundary of Section 24, northwest part of French Meadow, about 3 miles northwest of Webber Lake. 2030 Comment
  CAS-BOT-BC18377  Carex W. Harnach; N. Harnach 1991-7-14 646 Sierra Sierra Valley. Coburn Lake, approximately 1/4 below outlet to lake. 2279 Comment
  CAS-BOT-BC18381  Carex Gladys L. Smith 1959-6-19 1208 Sierra David Snyder Cabin, Clark Station near Yuba Pass. 1889 Comment
  RSA364517  Carex Robert Gustafson 1985-6-10 3145 Sierra SFSU Sierra Nevada Field Station, ca. 6 miles below Yuba Pass summit on Highway 49 1921 Comment
  RSA364536  Carex Robert Gustafson 1985-6-12 3157 Sierra Lincoln Creek campground off highway 49, Yuba Pass Summit area. 1982 Comment
  CHSC105542  Carex abrupta Lowell Ahart 2010-9-15 17191 Sierra Along the west sisde of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  RSA794972  Carex abrupta L. Ahart 2010-9-15 17191 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring., About 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak 2135 Comment
  CAS-BOT-BC17892  Carex angustata John Thomas Howell 1951-8-21 28250 Sierra Sierra Nevada. 5 miles from Calpine on road to Blairsden. 1524 Comment
  CHSC105986  Carex angustata Lowell Ahart 2010-9-15 17179 Sierra In shallow water, in stream and east of the second pond, about 100 yards north of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC108090  Carex angustata Lowell Ahart 2011-9-23 17705 -A Sierra On the north side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake. 2015 Comment
  HSC95644  Carex angustata L. P. Janeway, Eric Shroder 1997-8-20 5355 Sierra Church Meadows, about 1.5 mi. E of Gold Lake 2043 Comment
  JEPS118422  Carex angustata Lowell Ahart 2011-9-23 17705 Sierra Growing around small cobbles on the south side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2015 Comment
  RSA794702  Carex angustata L. Ahart 2010-9-15 17179 Sierra In stream and east of the second pond, about 100 yards north of the cabin at the spring, about 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak. 2135 Comment
  CHSC53563  Carex athrostachya L. P. Janeway 1984-7-29 952 Sierra Vicinity of Sierra Buttes; near Road 28 (21N11) ca 3 1/2 mi from Gold Lake; ridgetop/saddle. 2225 Comment
  CAS-BOT-BC18120  Carex athrostachya Beecher Crampton 1958-6-24 4946 Sierra Sedge meadows along the Little Truckee River, 12 miles south of Sierraville. 1828 Comment
  CHSC37202  Carex bolanderi L. Ahart 1982-7-28 3728 Sierra Near a small spring and near the dirt rd n of the Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  RSA0058983  Carex brainerdii Peter F. Zika 2013-6-28 26262 Sierra Road 301, 4.2 road miles NW of dam on Jackson Meadows Reservoir, 6 air km ESE of Keystone Mountain. Northern High Sierra Nevada. 1945 Comment
  CAS-BOT-BC34212  Carex canescens Lewis S. Rose; J. W. Stacey 1934-7-3 34324 Sierra Gold Lake. 1950 Comment
  UC1256283  Carex capitata R. K. Gierisch 1969-6-25 3493 Sierra Anderson Mdw. Tahoe Forest, Anderson Mdw. 1950 Comment
  CAS-BOT-BC34384  Carex cusickii G. L. Smith 1959-6-19 1199 Sierra Sierra Nevada. Clark Station, 3 miles below Yuba Pass. David Snyder summer home. 1889 Comment
  CDA11865  Carex douglasii G. F. Hrusa, J. Jokerst 1991-7-5 8565 A Sierra Sierra Valley Region; Antelope Valley. Comment
  CAS-BOT-BC20605  Carex douglasii Catherine Best 1980-6-12 s.n. Sierra Sierra Nevada. Sardine Lake. Comment
  CAS-BOT-BC20055  Carex echinata G. L. Smith 1959-6-19 1198 Sierra Sierra Nevada. Clark Station, 3 miles below Yuba Pass. David Snyder summer home. 1889 Comment
  SEINET10650295  Carex exserta Carl W. Sharsmith 1937-7-15 Sharsmith 2481 Sierra Mono County. Summith of Dana Plateau in unglaciated metamorphics, vicinity of Mount Dana, Sierra Nevada. Comment
  SEINET10652827  Carex festiva Stephen T. Olney Olney s.n. Sierra Sierra Meadow. Comment
  CAS-BOT-BC20172  Carex filifolia var. erostrata R. K. Gierisch; D. H. Esplin 1969-6-25 3479 Sierra Tahoe Forest. Vic Saddle Meadow. 1950 Comment
  CAS-BOT-BC20171  Carex filifolia var. erostrata Lemmon 1875-1-1 s.n. Sierra Sierra Valley. Comment
  CAS-BOT-BC22292  Carex hassei Lemmon 1874-9-1 487 Sierra Sierra Valley. Comment
  JEPS88071  Carex heteroneura Vernon H. Oswald and Lowell Ahart 1996-8-19 8206 Sierra Yuba Pass-Weber Valley Rd (Forest Rt. 12) 1.3 mi s road to Bassetts (at creek); northern High Sierra Nevada, Long Valley Creek 2225 Comment
  CHSC43916  Carex heteroneura var. heteroneura L. P. Janeway 1984-8-18 1014 Sierra North side of Sierra Buttes. At second switchback to the south down from Packers Saddle. 1981 Comment
  CAS-BOT-BC7653  Carex integra P. B. Kennedy; S. B. Doten 1901-7-2 70 Sierra Webber Lake. Sierra Nevada mountains. Comment
  CAS-BOT-BC35515  Carex jonesii D. E. Breedlove 1962-6-13 3480 Sierra along State Hwy. 89, 10.7 miles north of Sierraville 1615 Comment
  CAS-BOT-BC35518  Carex jonesii G. L. Smith 1959-6-19 1197 Sierra Clark Station, 3 mi. below Yuba Pass, David Snyder summer home 1889 Comment
  UCSB16056  Carex jonesii Breedlove, Dennis 1962-6-13 Sierra Along State 89, 10. 7 miles north of Sierraville 1615 Comment
  CHSC105829  Carex laeviculmis Lowell Ahart 2010-8-3 17032 Sierra On a poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  JEPS103112  Carex laeviculmis L. P. Janeway, B. Castro 2001-7-1 7250 Sierra Northern High Sierra Nevada. From springs on lower northwest flank of Table Rock 0.8 km southwest of Howland Flat, along Road 21N08 1768 Comment
  CHSC105826  Carex lemmonii Lowell Ahart 2010-8-3 17035 Sierra Disturbed area along a small stream that flows into Negro Creek east side of the poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  JEPS100365  Carex lemmonii Dean W. Taylor 2001-6-6 17772 Sierra headwaters of Rock Creek in vicinity of Union Hill-Scales; fen along Forest Road 35, Plumas National Forest 1341 Comment
  RSA0059285  Carex lemmonii Peter F. Zika 2013-6-28 26265 Sierra Road 301, 4.2 road miles NW of dam on Jackson Meadows Reservoir, 6 air km ESE of Keystone Mountain. Northern High Sierra Nevada. 1945 Comment
  CHSC46998  Carex lenticularis var. lipocarpa L. P. Janeway 1984-8-25 1061 Sierra At Snag Lake. 2026 Comment
  CHSC47001  Carex lenticularis var. lipocarpa L. P. Janeway 1984-8-25 1084 Sierra Small lake just SW of Snag Lake. 2026 Comment
  CHSC61930  Carex lenticularis var. lipocarpa Lowell Ahart 1993-9-24 7262 Sierra On the south side of Pearson Ravine, about 1/10 mile south of the dirt road from Gibsonville to Johnsville, at the very base and on the north side of Mount Fillmore. 1981 Comment
  RSA102719  Carex lenticularis var. lipocarpa L. S. Rose 1934-7-9 34341 Sierra Squaw Lake near Gold Lake. 2012 Comment
  UCD108031  Carex leporinella Tim Kuhn 2006-7-31 71 Sierra Truckee Ranger District. Comment
  CAS-BOT-BC31575  Carex luzulifolia Lewis S. Rose 1934-7-17 34379 Sierra Mountain meadow, Ridge W of Gold Lake. 2103 Comment
  UC1730260  Carex microptera L. P. Janeway 1998-7-24 5832 Sierra West end of Church Meadows; west side of Road 721 0.3 mi northeast of Gold Lake Hwy (Road 620). Narrow low ridge between two meadows. 2033 Comment
  UCSB63790  Carex microptera Janeway, L. 1998-7-24 Sierra T21N, R12E, SE1/4 of NW1/4 of sec. 22; Clio quad.; west end of Church Meadows; west side of Road 721; 0.3 mi. northeast of Gold Lake Hwy. (Road 620) 2033 Comment
  CAS-BOT-BC119884  Carex nebrascensis Catherine Best 1981-6-18 s.n. Sierra In the meadow at the Yuba Summit near Hwy 49. Comment
  JEPS117651  Carex nervina Lowell Ahart 2010-8-3 17030 Sierra On the west bank of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany 1707 Comment
  SEINET10712108  Carex pachystachya Lawrence P. Janeway 1989-8-11 Janeway 3579 Sierra Sierra City NE Quad. T21N, R13E, SE1/4 of sec. 20. NE flank of Haskell Peak and 3.4 mi NW of Chapman Saddle. Red fir forest. Moist mossy N-facing slope above creek meadow strip. 2134 Comment
  SEINET13694030  Carex praegracilis A. A. Heller, P. B. Kennedy 1907-7-1 8668 Sierra Purdy Comment
  CHSC47086  Carex rossii L. P. Janeway 1989-8-18 3616 Sierra Plumas National Forest. Northeast flank near top of ridge ca 3 mi E of Haskell Pk, overlooking Sulphur Cr. 2225 Comment
  CHSC53533  Carex rossii L. P. Janeway 1984-8-19 1056 Sierra Sierra Nevada crest north of Sierra Buttes. Near second switchback (towards SE) down from Packers Saddle. 1981 Comment
  CHSC61888  Carex rossii Lowell Ahart 1993-9-10 7195 Sierra At the end of a poor dirt road where there is a camp, water ditch and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CAS-BOT-BC118211  Carex rossii L. P. Janeway 1984-7-29 945 Sierra Sierra City NE quad, Ridgetop/saddle near Rd 28 (21N11) ca 3.5 mi from Gold Lake. 2225 Comment
  SEINET10916611  Carex rossii Lawrence P. Janeway 1984-7-29 Janeway 950 Sierra Sierra City NE quad T21N, R12E, SE1/4 of sec. 13, Ridgetop/saddle near Rd 28 (21N11) ca 31/2 mi from Gold Lake. Moist area of selectively tractor-logged red fir forest. 2225 Comment
  SEINET10949738  Carex rossii Lawrence P. Janeway 1984-7-29 Janeway 945 Sierra Sierra City NE quad T21N, R12E, SE1/4 of sec. 13, Ridgetop/saddle near Rd 28 ( 21N11) ca 3 1/2 mi from Gold Lake. Open dry area of selectively tractor logged red fir forest. 2225 Comment
  SD130920  Carex scopulorum Gordon H. True 1971-9-7 7033 Sierra Sierra Nevada Mountains; stringer on slope west of large meadow in Cold Stream Canyon; ca. 3.5 miles south of Perazzo meadows. 2377 Comment
  CHSC77251  Carex simulata G. Schoolcraft 1996-6-26 2528 Sierra Long Valley Creek s. of Hallelujah Junction. 1524 Comment
  CHSC77252  Carex simulata G. Schoolcraft 1996-6-26 2526 Sierra Long Valley Creek near Halleluja Junction. 1524 Comment
  CAS-BOT-BC117105  Carex spectabilis Lewis Samuel Rose 1934-7-7 34346 Sierra Mountain meadow ridge SW of Gold Lake. 2103 Comment
  CAS-BOT-BC117361  Carex stipata var. stipata Mrs. J. G. Lemmon 479 Sierra Sierra Valley Comment
  CAS-BOT-BC116987  Carex straminiformis John Thomas Howell; Gordon H. True 1970-7-14 5511 Sierra At Verdi Peak Lookout, Verdi Range. 2560 Comment
  CHSC37234  Carex subfusca L. Ahart 1982-7-28 3723 Sierra Along edge of dirt rd n of the Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC41184  Carex subfusca J. D. Jokerst 1984-7-23 2113 Sierra Several miles east of Sierra City, ca. 200 feet north of Haypress Creek. 1767 Comment
  CHSC48064  Carex subfusca L. P. Janeway 1984-8-18 1020 Sierra Wet mdw near second switchback (toward SE) down from Packers Saddle. 1981 Comment
  CHSC82982  Carex subfusca L. P. Janeway; B. Castro 2001-7-1 7251 Sierra Northern High Sierra Nevada. From springs on lower northwest flank of Table Rock 0.8 km southwest of Howland Flat, along Road 21N08. 1768 Comment
  JEPS63522  Carex subfusca W. L. Jepson 1934-8-6 16864 Sierra Yuba Pass 2011 Comment
  CAS-BOT-BC115870  Carex subfusca Anna Head 1921-7-25 s.n. Sierra Meadows by Grassy Lake, Feather River Region. Comment
  CHSC45321  Carex vesicaria L. P. Janeway 1984-8-25 1060 Sierra At Snag Lake. 2026 Comment
  CHSC45742  Carex vesicaria L. P. Janeway 1984-8-25 1082 Sierra At Snag Lake. 2026 Comment
  RSA252431  Carex vesicaria Robert F. Thorne, C. W. Tilforth 1969-9-6 39189 Sierra Just E of Highway from Snag Lake (SE of Gold Lake). 1951 Comment
  CHSC47085  Carex whitneyi L. P. Janeway 1989-8-16 3601 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Peak. 2133 Comment
  SEINET10812465  Cassiope mertensiana subsp. californica John G. Lemmon 1874-1 Lemmon 141 Sierra Sierra Co., etc. Comment
  CAS-BOT-BC248924  Castilleja W. Harnach; N. Harnach 1990-6-30 444 Sierra Sierra Valley. Yuba Pass 2042 Comment
  CAS-BOT-BC249014  Castilleja W. Harnach; N. Harnach 1989-7-1 219 Sierra Sierra Valley. Sattley Hill 1524 Comment
  UCR270724  Castilleja applegatei John F. Emmel 1999-6-5 1622 Sierra Sierra Nevada Mtns., Verdi Range; along Henness Pass Road, 1 road mile SE of summit 1756 Comment
  SD102836  Castilleja applegatei Darley Howe 1978-7-16 Sierra Along highway 89 ca. 10 miles north of Truckee 1951 Comment
  HSC97047  Castilleja applegatei subsp. pinetorum L. Ahart 2006-6-28 12879 Sierra About 3/4 mi. E of Lake Delhunty, about 2 mi. NE of Gibsonville 1904 Comment
  JEPS29718  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi, and L. R. Heckard 1962-5-27 8475 Sierra 2 mi s Sierraville (at edge of Sierra Valley); Sierra Valley 1615 Comment
  JEPS8015  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Lawrence R. Heckard 1951-8-8 3486 Sierra 1 mi w summit of Yuba Pass (along Calif Hwy 49) 1950 Comment
  JEPS85671  Castilleja applegatei subsp. pinetorum B. Pitzer with S. Morgan and H. Soldan 1988-5-29 965 Sierra ca 1 mi s Sierra County line (on Hwy 89); Plumas National Forest 1584 Comment
  RSA185371  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-15 7390 -A Sierra Yuba Pass. Comment
  UC1012225  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jun 12 1940-Jun 13 1940 25837 Sierra s of Sierraville (Route 89, along Gold Creek); Gold Creek 1615 Comment
  CAS-BOT-BC243743  Castilleja applegatei var. pinetorum D. E. Breedlove 1962-6-13 3479 Sierra Along State Highway 89, 10.7 miles north of Sierraville 1615 Comment
  UCSB16061  Castilleja lacera Breedlove, Dennis 1962-6-13 Sierra State Highway 89, 6.8 miles north of Sierraville 1524 Comment
  CAS-BOT-BC254093  Castilleja miniata Mrs. H. C. Cantelow 1938-7-2 s.n. Sierra 2 miles east of Downieville Comment
  JEPS9761  Castilleja miniata W. L. Jepson 1934-8-3 16822 Sierra 2 mi e Bassett station (Pioneer road station); North Fork Yuba River 1706 Comment
  CAS-BOT-BC254080  Castilleja miniata M. S. Taylor; R. Wessel 1932-8-20 5030 Sierra At Big Springs (Lavezolla fountain), on w side of Hwy 49, ca. 3 air mi ne of Sierra City. Flora of Sierra County Comment
  RSA448753  Castilleja miniata Britton, Townsend 1939-8-24 135 Sierra North bank of Yuba River, 7 miles above Sierra City. Comment
  SBBG36121  Castilleja miniata subsp. miniata K. K. Muller 1963-8-15 1232 Sierra 5 mi S of Gold Lake Comment
  UCR257842  Castilleja miniata subsp. miniata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19503 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  CAS-BOT-BC384648  Castilleja minor Andrew Townesmith; Karen M. Meyer 2007-7-16 812 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 1.1 miles west of junction with county road 860 1916 Comment
  CHSC32072  Castilleja pilosa L. Ahart 1977-7-15 1273 Sierra Near the small stream that drains the n side of Mt. Fillmore, ca. 12 mi ne of La Porte. 2000 Comment
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Dec 19 2007
  CHSC52833  Castilleja pilosa Rimo Bacigalupi; H. L. Mason, J. R. Sweeney 1953-7-7 4266 Sierra Sierra Valley. 1493 Comment
  CHSC57100  Castilleja pilosa L. P. Janeway; Garrett Gibson 1991-7-22 4088 Sierra Plumas National Forest. Steep north-facing slope 1/2 mi due east of Mohawk Gap (along road 21N31B). 2225 Comment
  JEPS110175  Castilleja pilosa Lowell Ahart 2006-6-28 12878 Sierra On the west slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1880 Comment
  JEPS16340  Castilleja pilosa Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4266 Sierra near Calpine; Sierra Valley 1493 Comment
  RSA516569  Castilleja pilosa R. C. Bacigalupi, H. L. Mason, J. R. Sweeney 1953-7-7 4266 Sierra Near Calpine, Sierra Valley. 1494 Comment
  JEPS124597 Image available Castilleja pilosa Reinhard Jockel 1969-7-3 36 Sierra East of Kyburz marsh 2 miles E of highway 89, turnoff a few miles N of Little Truckee bridge. Comment
  CHSC105776  Castilleja tenuis Lowell Ahart 2010-9-15 17175 Sierra Along the west side of a poor road, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC61799  Castilleja tenuis Lowell Ahart 1993-9-24 7261 Sierra On the south side of Pearson Ravine, about 1/10 mile south of the dirt road from Gibsonville to Jonesville, at the very base and on the north side of Mount Fillmore. 1981 Comment
  JEPS117453  Castilleja tenuis Lowell Ahart 2010-9-15 17175 Sierra Along the west side of a poor road, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  JEPS4521  Castilleja tenuis Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4291 Sierra from Hawley R.R. station on W.P. main line s to Loyalton (Middle of Sierra Valley); Sierra Valley 1481 Comment
  SEINET14173747  Castilleja tenuis M. J. Williams 1983-8-7 83- 134 -2 Sierra Between Sardine Valley and Jammer Puncher Chair Flat. 1981 Comment
  UCR225223  Castilleja tenuis Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Road, c. 100 m north from the road 1495 Comment
  SJSU14023  Castilleja tenuis N. A. Hopkins 1988-6-3 1414 Sierra Knuthson Meadow by rd between Hwy 89 & Carmen Valley 1524 Comment
  UCSB10362  Castilleja tenuis Bacigalupi, Rimo; Mason, H.; Sweeney, J. 1953-7-7 Sierra Near Calpine, Sierra Valley, just above and south of marshy area 1493 Comment
  RSA212220  Ceanothus cordulatus L. S. Rose 1969-6-25 69056 Sierra Gold Lake. 1951 Comment
  UCR17475  Ceanothus cordulatus Frank C. Vasek 1975-7-10 750710- 01 Sierra Sierra Nevada Mtns., 1 mi west of State Hwy 89 on Henness Pass Rd. 1951 Comment
  CAS-BOT-BC48646  Ceanothus cordulatus Duncan Dunning 1921-9-12 708 Sierra Sierra Forest, Big Creek - below fish Camp, n - 25% slope 1371 Comment
  RSA754649  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-4-17 DOB 1083 b Sierra Goodyears Bar, near confluence of Goodyears Creek and North Yuba River, SW of Grizzly Peak, intersection of SR 49 and Mountain House Road, 5.3 km 248 degrees true WSW of Downieville. 840 Comment
  UC1070926  Ceanothus cuneatus var. cuneatus A. Lewis 1934-9-10 533 Sierra 1/2 mi w. Downieville; Downieville quad., Tohoe Nat. For. 914 Comment
  UCR197002  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2008-5-20 13483 Sierra Sierra Nevada Mountains Foothills, Henness Pass road, 3.4 miles northeast of Camptonville 1261 Comment
  UCR206985  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14841 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.6 miles north of the Yuba County line 902 Comment
  RSA25621  Ceanothus integerrimus var. californicus J. T. Howell 1969-6-25 45856 Sierra Yellow pine forest, N Fork of Yuba River, 5 miles E of Indian Valley. 762 Comment
  RSA491812  Ceanothus integerrimus var. californicus B. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 875 Sierra Above Ramshorn Campground, on Hwy. 49, ca. 15 miles NE of Camptonville and ca. 5 miles W of Downieville. 823 Comment
  CAS-BOT-BC52105  Ceanothus prostratus R. K. Gierisch; D. H. Esplin 1969-6-27 3504 Sierra Tahoe Forest 1981 Comment
  CAS-BOT-BC52108  Ceanothus prostratus Valerie Ziemba 1981-5-16 034 Sierra 14 mi. north on Rt. 49 from San Francisco St. Sierra Camp. Comment
  CAS-BOT-BC52112  Ceanothus prostratus John Thomas Howell; Gordon H. True 1969-6-25 45847 Sierra 3 miles north of Bassetts on road to Gold Lake 1950 Comment
  CAS-BOT-BC53123  Ceanothus prostratus Belle R. Jackson 1932-6-1 s.n. Sierra Yuba Pass Comment
  JEPS42225  Ceanothus prostratus W. L. Jepson 1918-8-18 8057 a Sierra 6 mi s Sierraville 1767 Comment
  RSA40424  Ceanothus prostratus P. A. Munz, Lee W. Lenz 1948-8-12 12337 Sierra 2 miles NW of Sattley Comment
  SJSU12017  Ceanothus prostratus N. A. Hopkins 1975-6-21 682 Sierra between Dugans Pond & Saxonia L 1889 Comment
  UCD112645  Ceanothus prostratus Beecher Crampton 1954-5-10 1856 Sierra Sierra County, east slope Yuba Pass, 3 miles west of Sattley, along highway 49. Comment
  UCD112661  Ceanothus prostratus Ray Prag 1972-4-30 202 Sierra Highway 89 at milepost 2441, north of Sierraville. 1584 Comment
  UCD21960  Ceanothus prostratus Brian Vanden Heuvel 2002-7-7 166 Sierra Tahoe National Forest. 3.5 miles South of Sierraville on CA 89, west side of road. Comment
  UCR17472  Ceanothus prostratus Frank C. Vasek 1975-7-10 750710- 06 Sierra Sierra Nevada Mtns., 1 mi west of State Hwy 89 on Henness Pass Rd. 1951 Comment
  UC79815  Ceanothus prostratus J. G. Lemmon 1875-1 45 Sierra Comment
  SEINET11243101  Ceanothus velutinus W. Harnach, N. Harnach 1992-7-29 688 Sierra Sierra Valley. W of Sattley, NW of Martinetti Ranch in logged drainage. Shirley Holstrom (landowner) 1554 Comment
  SEINET5339394  Ceanothus velutinus P. A. Lehenbauer 1937-6-8 89 Sierra 25 miles west of Reno, Nevada, on Truckee river at Iceland, south side of river by falls. 1676 Comment
  RSA758806  Ceanothus velutinus subsp. velutinus D. H. Wilken, E. L. Painter 2007-6-18 16756 Sierra State Highway 49 between Big Canyon and Turner Canyon, 1.6 km northeast of Yuba Pass. 1900 Comment
  CDA20020  Centaurea maculosa E. Finley 2002-7-25 PDR 1140325 Sierra Sierra Nevada; Dog Valley Rd, 0.6 mi from Nevada state line. 0 Comment
  CAS-BOT-BC277216  Centaurea solstitialis W. Harnach; N. Harnach 1991-7-24 657 Sierra Sierra Valley. Lemon Canyon road, approx 1 1/2 miles east of Hwy 49 1524 Comment
  UC1326242  Cephalanthera austiniae Theodore F. Niehaus 1965-6-24 600 Sierra n. edge of meadow at Hall's Ranch Guard Station Comment
  SEINET8796984  Cerastium fontanum subsp. vulgare W. Harnach, N. Harnach 1991-7-4 608 Sierra 0.5 miles S of Sattley, Martinetti Ranch. 1512 Comment
  UCR206987  Cerastium fontanum subsp. vulgare George K. Helmkamp, E. A. Helmkamp 2009-5-28 14846 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  SEINET6332012  Cercocarpus ledifolius var. intermontanus W. Harnach, N. Harnach 1990-6-10 353 Sierra Sierra Valley, W of Loyalton, Balderson Ranch (Antelope Valley) 1585 Comment
  SEINET6333716  Cercocarpus ledifolius var. intermontanus P. A. Lehenbauer 1937-6-8 63 Sierra 25 miles west of Reno on Truckee Road at Iceland, on south side of river by falls 1676 Comment
  CDA17276  Chaenactis douglasii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16303 Sierra Sierra Nevada; Sierra Valley: Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. 1645 Comment
  SEINET11860840  Chaenactis douglasii J. G. Lemmon 1874-1 119 Sierra Sierra Co. &c Comment
  CAS-BOT-BC276749  Chaenactis douglasii var. douglasii D. E. Breedlove 1962-6-13 3512 Sierra Along State Highway 89, 3 miles S of Sierraville 1767 Comment
  CAS-BOT-BC276750  Chaenactis douglasii var. douglasii Lowell Ahart 1986-7-1 5333 Sierra About 0.5 mile E of Lake Delahunty, about 8 miles NE of La Porte 1828 Comment
  SJSU12213  Chaenactis douglasii var. douglasii N. A. Hopkins 1981-6-30 1028 Sierra 1mi S of Calpine 1524 Comment
  UCR565  Chamaebatia foliolosa Frank C. Vasek 1955-6-26 268 Sierra Northern Sierra Nevadas, Tahoe National Forest, north of Yuba River, Hwy 49, 1 mi east of Sierra City 1372 Comment
  CHSC80946  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2001-8-10 9089 Sierra About 100 feet southeast of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  CAS-BOT-BC165975  Chamerion angustifolium H. Albert Barker 1926-7-3 67 Sierra Packer Lake 1981 Comment
  UCD18571  Chamerion angustifolium Roman Gankin 1951-7-17 49 Sierra State Hwy. 49 at Pioneer Camp, found near roadside. 1798 Comment
  CAS-BOT-BC68228  Cheilanthes gracillima Lemmon 1878-8-1 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC68232  Cheilanthes gracillima M. Lavin 1982-6-27 4156 Sierra Sierra Nevada - Salmon Lake - 13 miles 225 deg. s from Portlola 1981 Comment
  RSA85539  Cheilanthes gracillima F. W. Peirson 1914-08 1505 Sierra Devils Post Pile Comment
Read comments
Jul 4 2012
  SEINET10971565  Cheilanthes gracillima John G. Lemmon 1872-1 Lemmon s.n. Sierra Mts. around Webber Lake and Sierra Valley. Comment
  JEPS124535 Image available Chenopodium album Virginia Hardham 1965-7-6 97 Sierra Cal-Pine Beck worth Rd. 3.4 mi from junction patley Beck worth Rd. and Hw 89. Comment
  CAS-BOT-BC460985  Chenopodium atrovirens John Thomas Howell 1969-9-13 46129 Sierra Sierra Nevada: near the SW end of Webber Lake 2072 Comment
  CAS-BOT-BC451364  Chimaphila menziesii H. Albert Barker 1926-7-5 60 Sierra Summit Lake 2011 Comment
  CHSC53152  Chimaphila umbellata subsp. occidentalis L. P. Janeway 1989-8-16 3602 Sierra Plumas National Forest, Beckwourth Ranger District. Near top of ridge 1/2 mile SE of Chapman Saddle; ca 2-1/4 mi SE of Haskell Pk. 2103 Comment
  RSA39086  Chimaphila umbellata subsp. occidentalis P. A. Munz 1948-8-11 12335 Sierra Carvin Creek, Highway 49, northeast of Sierra City. 1738 Comment
  SEINET10816194  Chrysothamnus parryi subsp. nevadensis Karen M. Meyer, Andrew Townesmith 2007-7-15 Meyer 117 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  SEINET11860629  Chrysothamnus viscidiflorus J. G. Lemmon 1874-1 144 Sierra Sierra Co. &c Comment
  UCD130458  Chrysothamnus viscidiflorus subsp. puberulus R. O. Hanes 1992-9-28 94 Sierra Cottonwood Creek area, Tahoe Forest. 1914 Comment
  CAS-BOT-BC100848  Chrysothamnus viscidiflorus subsp. viscidiflorus F. A. MacF. 1934-7-18 12595 Sierra Truckee River, Highway from Truckee to Reno Comment
  CAS-BOT-BC100852  Chrysothamnus viscidiflorus subsp. viscidiflorus Lemmon 1881-6-1 s.n. Sierra Sierra Val. Comment
  POM352053  Chrysothamnus viscidiflorus subsp. viscidiflorus Fay A. MacFadden 1934-7-17 12595 Sierra Little Truckee River Comment
  UC1136949  Chrysothamnus viscidiflorus subsp. viscidiflorus G. T. Nordstrom 1936-7-24 953 A Sierra 5.5 mi w Purdy; Sierraville Quad. 1889 Comment
  UCD22393  Chrysothamnus viscidiflorus subsp. viscidiflorus Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1315 Sierra Along Hwy 49 NE of the town of Sierraville, ca. 2 road miles from town. Roadside. 1524 Comment
  SEINET7451040 Image available Cichorium intybus W. Harnach, N. Harnach 1990-7-31 498 Sierra South end of Sierra Valley. Sattley, Beaton Barn site. 1500 Comment
  CDA38211  Cicuta douglasii T. C. Fuller 1976-11-12 20172 Sierra Sierra Nevada; East side of Hwy 89, south limits of Sierraville. Comment
  UC333234  Cinna latifolia unknown Sierra Sierra Comment
  SEINET4142577  Circaea alpina var. pacifica W. Harnach, N. Harnach 1990-7-30 494 Sierra Sierra Valley, Hamlin Creek area 1570 Comment
  SEINET4142583  Circaea alpina var. pacifica W. Harnach, N. Harnach 1990-6-30 458 Sierra Sierra Valley, Yuba Pass 2042 Comment
  CHSC53033  Cirsium andersonii L. P. Janeway 1989-8-24 3634 Sierra Plumas National Forest. Along SE side of McNair Mdw; ca 1 mi W of Calpine L.O. 1630 Comment
  CAS-BOT-BC285267  Cirsium andersonii Margaret Williams 1974-8-28 74- 5 -57 Sierra West side of Verdi Ridge, Verdi Range 1493 Comment
  CAS-BOT-BC284397  Cirsium arvense W. Harnach; N. Harnach 1990-9-3 527 Sierra 1/2 mile south of Alpers Ranch on turn of Hwy 49, Sierra Valley 1508 Comment
  JEPS124646 Image available Cirsium occidentale var. coulteri Rechen 1964-6-30 83 Sierra 9.4 mile south on HW 89 from Little Truckee River. Comment
  HSC96970  Cirsium occidentale var. venustum L. Ahart 2006-6-21 12806 Sierra SE side of Foote Rd. about 3.7 mi. SW of Alleghany 1094 Comment
  JEPS110373  Cirsium occidentale var. venustum Lowell Ahart 2006-6-21 12806 Sierra On the southeast side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  CDA1511  Cirsium ochrocentrum var. ochrocentrum W. White, W. Van Gilder 1965-8-18 s.n. Sierra Sierra Valley; S side of Hwy 49, 0.5 mi W of Loyalton. 35 paces W of W. driveway of Bruce Miles ranch. Comment
  SEINET11842950  Cirsium pastoris F. H. Utech 1986-1 86 -068 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  CAS-BOT-BC286270  Cirsium scariosum H. M. Hall; E. B. Babcock 1903-7-1 4525 Sierra Sierra Nevada Mountains. Little Truckee River 1920 Comment
  CDA1559  Cirsium scariosum var. americanum P. Arnaud 1958-8-2 s.n. Sierra Webber Lake. Comment
  SDSU3811  Cirsium scariosum var. americanum D. F. Howe 1978-7-16 5082 Sierra Route 89 , 12.3 miles north of Truckee. 1920 Comment
  CAS-BOT-BC438648  Cistanthe W. Harnach; N. Harnach 1989-5-2 052 Sierra Sierra Valley. Approx 400 ft. east of gate into barn. Calpine Ranch (home). 1499 Comment
  CAS-BOT-BC228948  Cistanthe umbellata Roxana S. Ferris 1926-9-7 6845 Sierra Summit of Ebbetts Pass Comment
  CAS-BOT-BC228946  Cistanthe umbellata H. Albert Barker 1926-7-15 263 x Sierra Gold Lake 1981 Comment
  CAS-BOT-BC228953  Cistanthe umbellata Ted Knowles 1961-5-9 11 Sierra 3 miles above Bocca [Boca], on Hobart Mills Road Comment
  RSA448266  Clarkia dudleyana Rockwell 1922-07 s.n. Sierra Near Down ville [Downieville?] Comment
  CAS-BOT-BC172042  Clarkia gracilis subsp. gracilis James R. Shevock; Barbara Ertter 1986-6-1 11536 Sierra Along California highway 49, southeast slide of Sierra Valley at Rice Hill between Loyalton and Sierraville, Sierra Nevada 1650 Comment
  CAS-BOT-BC172043  Clarkia gracilis subsp. gracilis W. Harnach; N. Harnach 1989-7-1 217 Sierra Sierra Valley, Sattley Hill 1524 Comment
  CAS-BOT-BC163179  Clarkia lassenensis Alice Eastwood 1918-6-29 7884 Sierra Loyalton Comment
  CAS-BOT-BC163182  Clarkia lassenensis W. Harnach; N. Harnach 1990-6-10 358 Sierra Sierra Valley. Balderson Ranch (Antelope Valley) 1645 Comment
  SEINET4145446  Clarkia lassenensis W. Harnach, N. Harnach 1993-6-26 731 Sierra Sierra Valley, Doe Canyon, about 3 miles SE of Loyalton in Sierra Brooks 1622 Comment
  SEINET4145447  Clarkia lassenensis W. Harnach, N. Harnach 1990-6-10 358 Sierra Sierra Valley, Balderson Ranch (Antelope Valley) 1646 Comment
  SEINET12189198  Clarkia lassenensis J. G. Lemmon 1874-1 s.n. Sierra Comment
  CHSC71150  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-1 4676 Sierra Rock Creek, 0.3 mi northwest of Canyon Creek; along Road 20N06 0.2 mi southwest of its crossing of Rock Creek. 1127 Comment
  CAS-BOT-BC164841  Clarkia rhomboidea Catherine Best 1981-6-19 s.n. Sierra Herringtons, Sierra City Comment
  UCR249643  Clarkia rhomboidea George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20779 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.7 miles west of Goodyears Bar, c. 11 miles NE of Yuba Co. line 793 Comment
  CAS-BOT-BC164964  Clarkia rhomboidea Peter H. Raven 1964-6-30 19615 Sierra Bank along the canyon of the North Fork of the Yuba River, 4.6 miles east of Downieville on State Highway 49 Comment
  NY342202  Claytonia caroliniana var. sessilifolia J. M. Bigelow 1853-1 s.n. Sierra Downieville Comment
  CAS-BOT-BC451754  Claytonia lanceolata M. Lavin 1982-6-10 4130 Sierra Northern Sierra Nevada. Salmon Lake just N of Sierra Buttes. 13 mi 225 deg. from Portola 1981 Comment
  UC564210  Claytonia nevadensis J. G. Lemmon 1874-1 Sierra Comment
  CHSC94238  Claytonia parviflora subsp. parviflora Lowell Ahart 2006-6-21 12850 Sierra On the south side of the Foote Road, about 1.3 miles (by road) southwest of Alleghany. 1305 Comment
  SJSU6446  Claytonia rubra subsp. rubra N. A. Hopkins 1971-6-14 386 Sierra near road to Lemon Canyon 1.5 mi SE of Sierraville 1584 Comment
  CHSC45504  Clematis ligusticifolia Lowell Ahart 1973-10-26 279 Sierra On the cut bank on the west side of the Foote Road, on the north side of the Middle Fork of the Yuba River, south-west of Alleghany. 914 Comment
  RSA21692  Clematis ligusticifolia Carl B. Wolf 1937-8-6 9052 Sierra Northern Sierra Nevada, North Fork of Yuba River, 5 miles above Downieville. 1067 Comment
  SEINET13396475  Collinsia parviflora S. B. Doten 1901-7-2 74 c. Sierra NE of Webber Lake. Comment
  UCR63639  Collinsia torreyi B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0960 Sierra Sierra Nevada Mtns., Plumas National Forest, c. l mi. south of Sierra County line on Hwy 89 1585 Comment
  JEPS29125  Collinsia torreyi var. torreyi Lauramay T. Dempster 1961-6-15 1450 Sierra just s Yuba Pass (jct Calpine Lookout Rd and Hwy 89) (Yuba Pass) 1828 Comment
  UCD118148  Collomia grandiflora N. Hopkins 1982-7-19 1076 Sierra 1 mile S of Calpine. Comment
  SEINET12329962  Collomia heterophylla F. H. Utech 1986-1 86 -082 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  UCR257830  Collomia linearis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19513 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  JEPS118415  Collomia tinctoria Lowell Ahart 2011-9-23 17713 Sierra Growing on a gravel bar on the south side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2015 Comment
  JEPS124068  Collomia tinctoria Lowell Ahart 2015-5-9 20174 Sierra About 3/4 mile west of Highway 49, about 1 3/4 mile west of Indian Valley. Comment
  UCSB16102  Collomia tinctoria Breedlove, Dennis 1962-6-13 Sierra Little Truckee River, 10.0 miles south of Sierraville on State Highway 89; Sierra Nevada 1950 Comment
  CAS-BOT-BC157356  Comarum palustre L. S. Smith 1926-8-10 1996 Sierra Tahoe National Forest. Gold Lake along Str. in Mdw. west end 1981 Comment
  JEPS78069  Convolvulus arvensis Gary W. Zamzow 1972-7-11 76 Sierra 2.9 mi n Sattley (on road toward Loyalton) 1524 Comment
  JEPS124865 Image available Convolvulus arvensis P. L. Billings 1965-6-29 11 -2 Sierra Collected .3 miles east of Goodyear's Bar on HWY 49. Comment
  JEPS124866 Image available Convolvulus arvensis J. Yamanaka 1965-6-29 31 Sierra 1/2 m. E of Goodyear Bar. Downieville. Hwy 49. Comment
  JEPS124869 Image available Convolvulus arvensis Himayat H. Naqvi 1965-6-29 69 Sierra About 2 miles below Downieville on highway 89, growing just on the roadside in population with no associates. Comment
  JEPS124899 Image available Convolvulus malacophyllus S. Whipple 1967-6-30 025 Sierra Intersection of road to Goodyear's Bar and Hwy. 49. Steep bank of North Fork at Yuba River. Comment
  SEINET7836926 Image available Conyza canadensis W. Harnach, N. Harnach 2000-8-23 986 Sierra Sierra Valley. 1 miles north of Loyalton, CA on Co Road A-24 1500 Comment
  SEINET6166298  Corallorhiza maculata P. B. Kennedy, S. B. Doten 1901-7-23 213 Sierra Lincoln Valley Comment
  SEINET6166290  Corallorhiza maculata P. B. Kennedy, S. B. Doten 1901-7-18 170 Sierra Near Webber Lake Comment
  SD61112  Cordylanthus tenuis subsp. tenuis Darley F. Howe 1964-7-28 3881 Sierra 5.5 mi. so. of Gold Lake Lodge, Tahoe Nat. Forest 1829 Comment
  SEINET12137023  Cornus occidentalis J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  CAS-BOT-BC212152  Cornus sericea H. Albert Barker July 3 49 Sierra Packer Lake Comment
  CHSC63136  Cornus sericea subsp. sericea Lowell Ahart 1994-7-14 7435 Sierra On the sout side of the large pond, steep rocky slope on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles east of Alleghany. 1889 Comment
  JEPS124850 Image available Cornus sericea subsp. sericea Marge Kempf 1965-6-29 227 Sierra Collected at Union Flat Campground. Off of HWY 49 Comment
  CAS-BOT-BC210525  Cornus sessilis John Thomas Howell 1951-8-21 28282 Sierra N. Fork Yuba River below Downieville 914 Comment
  RSA0024697  Cornus sessilis J. T. Howell 1951-8-21 28282 Sierra North Fork Yuba River below Downieville. Sierra Nevada. 915 Comment
  CAS-BOT-BC401881  Corydalis caseana subsp. caseana L. S. Smith 1938-7-15 s.n. Sierra Tahoe National Forest. Near Simi's along Yuba 1828 Comment
  CAS-BOT-BC401885  Corydalis caseana subsp. caseana Lillian S. Mott 1965-8-8 6561 Sierra Butcher Creek Ranch Trail Comment
  CAS-BOT-BC169503  Corylus cornuta subsp. californica Lowell Ahart 1969-5-18 s.n. Sierra Scales, 10 miles SE of La Porte 1219 Comment
  CAS-BOT-BC290473  Crepis acuminata Gordon H. True 1967-7-31 3675 Sierra Verdi Peak Road ca. 1.5 miles below summit 2438 Comment
  UC346498  Crepis acuminata E. B. Babcock 1928-6-13 148 Sierra along road 4 mi e Sierraville; Tahoe Nat. For., Lemmon Canyon Comment
  CAS-BOT-BC290472  Crepis acuminata Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Unspecified Comment
  UC346505  Crepis bakeri subsp. bakeri E. B. Babcock 1928-6-13 142 Sierra along Lemmon Canyon rd 100 yd n forest bound. (s slope of mt.); Tahoe Nat. For., Sardine Pk. Comment
  UC346502  Crepis intermedia E. B. Babcock 1928-6-13 144 Sierra along Lemmon Canyon rd. 100 yd n forest boundary (s slope of pk.); Tahoe Nat. For., Sardine Pk. Comment
  UC346568  Crepis intermedia E. B. Babcock 1928-6-12 151 Sierra along rd ca 5 mi se Sierraville; Tahoe Nat. For., Onion Valley Comment
  UC346571  Crepis intermedia E. B. Babcock 1928-6-13 149 Sierra along road 4 mi e Sierraville; Tahoe Nat. For., Lemmon Canyon Comment
  CAS-BOT-BC291566  Crepis intermedia W. Harnach; N. Harnach 1991-6-24 582 Sierra Antelope Valley 1706 Comment
  CAS-BOT-BC291568  Crepis intermedia G. L. Stebbins, Jr.; E. B. Babcock 1936-6-5 1728 Sierra Along Smithneck Creek about 2 miles south of Loyalton 1524 Comment
  UC346531  Crepis intermedia E. B. Babcock 1928-6-12 124 Sierra Newman Pt. Sierra Valley (along road <from> Sierraville to Loyalton) 1767 Comment
  UC346539  Crepis intermedia E. B. Babcock 1928-6-22 176 Sierra Reno rd 12.8 mi fr. jct. <with> Loyalton rd. ((Sierraville)); Lemmon Canyon Comment
  UC346542  Crepis intermedia E. B. Babcock 1928-6-22 174 Sierra Reno rd 12.8 mi fr. jct. <with> Loyalton rd. ((Sierraville)); Lemmon Canyon Comment
  SJSU13962  Crepis modocensis N. A. Hopkins 1988-5-16 1401 Sierra Long Valley Road c. 1 mi SW of Bordertown 1615 Comment
  SJSU9803  Crepis modocensis C. W. Sharsmith 1982-5-30 8655 Sierra Sierra Valley c. 3 mi W of Loyalton 1524 Comment
  UC346545  Crepis modocensis subsp. subacaulis E. B. Babcock and M. Navashin 1928-6-22 172 Sierra along Lemmon Canyon rd. 100 yd n forest boundary (s slope of peak); Tahoe Nat. For., Sardine Pk. Comment
  UC346552  Crepis modocensis subsp. subacaulis E. B. Babcock and M. Navashin 1928-6-12 165 Sierra about 6 mi nw Truckee (on rd. to Hobart Mills) 1767 Comment
  UC581252  Crepis modocensis subsp. subacaulis G. L. Stebbins Jr. and J. A. Jenkins 1937-5-23 2159 Sierra Casey's Mill Balls Creek (woods about, head of creek, between Loyalton and Purdy) 1820 Comment
  CHSC73746  Crepis occidentalis B. Castro; M. A. Griggs 1997-7-10 762 Sierra Bunker Hill Ridge, on ridge crest E of Duck Soup Pond, along Pacific Crest Trail. 2118 Comment
  SEINET7838808 Image available Crepis occidentalis W. Harnach, N. Harnach 2002-5-29 1070 Sierra Sierra Valley, Newman Point (Rice on the maps), approx 5 miles NE of Sierraville, CA on Hwy 49. 1532 Comment
  UC346518  Crepis occidentalis E. B. Babcock 1928-6-12 131 Sierra nr. and s Newman Pt. (along rd. from Sierraville to Loyalton); Sierra Valley Comment
  UC581279  Crepis occidentalis subsp. pumila E. B. Babcock and G. L. Stebbins Jr. 1936-6-5 1727 Sierra se edge of valley near junction of Smithneck and Bear Valley Creek (2 mi s of Loyalton); Sierra Valley 1600 Comment
  CHSC73747  Crepis pleurocarpa B. Castro; M. A. Griggs, Plumas NF botanists 1997-7-10 765 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. 2136 Comment
  CAS-BOT-BC290905  Crepis runcinata subsp. andersonii A. A. Heller; P. B. Kennedy 1907-7-1 8666 Sierra Purdy Comment
  SEINET11859988  Crepis runcinata subsp. andersonii J. G. Lemmon 1874-1 130 Sierra Sierra Co. &c Comment
  SEINET12514853  Cryptantha affinis W. Harnach, N. Harnach 1990-6-6 342 Sierra Sierra Valley, 0.5 miles S of Stately, Martinetti Ranch. 1518 Comment
  CHSC73759  Cryptantha ambigua B. Castro; M. A. Griggs, Plumas NF botanists 1997-7-10 766 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. 2136 Comment
  CHSC50990  Cryptantha echinella Lowell Ahart 1990-7-8 6552 Sierra Near Bunker Hill Rigde, on the west side of Mount Etna, about 12 miles north-east of La Porte. 2072 Comment
  CHSC67866  Cryptantha torreyana James D. Jokerst 1986-6-19 2646 Sierra Turner property, S end of Sierra Valley, E and adjacent to Hwy. 49 ca. 1 mi NW of junction with Hwy. 89. Knoll 5442. 1658 Comment
  UCR95831  Cryptogramma acrostichoides J. G. Lemmon 1875-1 s.n. Sierra Sierra Nevada Mtns., Sierra Valley 2546 Comment
  UCSC003242  Cryptogramma acrostichoides Unknown 1981-8-30 284 Sierra Along Sunnyside Creek. 1981 Comment
  UCSC003243  Cryptogramma acrostichoides Unknown 1981-8-30 284 Sierra Along Sunnyside Creek. 1981 Comment
  CAS-BOT-BC70471  Cryptogramma acrostichoides J. G. Lemmon s.n. Sierra High Sierra, notably at Webber Lake Comment
  CAS-BOT-BC70475  Cryptogramma acrostichoides J. H. Hatton 1912-9-19 H- 107 Sierra Sierra National Forest Comment
  CHSC61917  Cuscuta californica var. breviflora Lowell Ahart 1993-9-24 7254 Sierra On the west side of a poor dirt road that ends at a stream,on the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville Common. 2133 Comment
  JEPS125714  Cuscuta californica var. californica William Harnach 2012-7-31 1278 Sierra South-east side of Lincoln valley, approximately 0.4 miles from Forest Road 12 (Webber Lake Road from Yuba Pass on Highway 49) on Road 1214. Comment
  JEPS53541  Cusickiella douglasii J. G. Lemmon and wife 1889-6-18 Sierra alkali flats near Sierraville; near Sierraville Comment
  CHSC105186  Cycladenia humilis B. Castro; L. P. Janeway 1997-9-14 786 Sierra South flank of Stafford Mtn, just above the Gibsonville-Jonesville Rd. 1859 Comment
  UC1446108  Cycladenia humilis var. humilis Lowell Ahart 1979-7-15 Sierra ca. 1 mi. e. Mt. Etna (s.e. of Stafford Mt., along La Porte-Johnsville rd.) 1800 Comment
  UCD20392  Cynoglossum officinale A. M. Shapiro 2002-7-23 s. n. Sierra Sierra County, near mouth of Rice Canyon, banks of Cold Stream, approx. 6100 ft. elev. 1859 Comment
  JEPS125981  Cypripedium fasciculatum D. W. Taylor 2001-6-18 17785 Sierra Along County Road 690 about 1.4 road miles W of Port Wine and the junction with Forest Road 21N59. Comment
  CAS-BOT-BC70698  Cystopteris fragilis John Thomas Howell 1969-9-13 46102 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  JEPS125818  Cystopteris fragilis William Harnach 2015-9-2 1447 Sierra 1.6 miles North-East on Highway 49 from Yuba-Sierra Co. line, then approximately 1 mile on the Indian Hill Road. Comment
  RSA789796  Cystopteris fragilis George K. Helmkamp, E. A. Helmkamp 2011-6-9 17550 Sierra Northern Sierra Nevada Mountains Foothills: 7.1 miles north of Camptonville along CA-49, about 2.5 miles north of the Yuba Co. line. 808 Comment
  CAS-BOT-BC70704  Cystopteris fragilis J. G. Lemmon 1880-1-1 s.n. Sierra Mtns. of Webber Lake Comment
  SEINET6629011  Cystopteris fragilis S. B. Doten 1901-7-5 100 Sierra Webber Lake, near falls Comment
  SJSU5072  Damasonium californicum G. R. Ostrander 1965-7-6 65 B Sierra Sattley-Calpine [-Beckwourth Rd.], 1.5 mi N of Sattley, Sierra Valley 1493 Comment
  SD61129  Danthonia californica D. F. Howe 1964-7-28 Sierra Tahoe National Forest; 2.5 miles south of Gold Lake Lodge 1981 Comment
  SJSU13895  Danthonia californica N. A. Hopkins 1984-7-22 1205 Sierra just below Robinson's Cow Camp 1828 Comment
  SEINET11676400  Danthonia californica J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. Comment
  JEPS118491  Danthonia californica var. americana Lowell Ahart 2011-9-23 17700 Sierra About 80 yards north of Pass Creek, about 320 yards south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2016 Comment
  POM126616  Danthonia unispicata H. S. Yates 1935-6-29 5287 Sierra 1 mile N. of Gold Lake. 1982 Comment
  SJSU14309  Danthonia unispicata N. A. Hopkins 1989-6-15 1534 Sierra c. 1.5 mi SW of Calpine, Sierra Valley 1524 Comment
  CAS-BOT-BC173282  Delphinium W. Harnach; N. Harnach 1991-7-14 633 Sierra Sierra Valley. Coburn Lake, approx 1/4 below outlet to lake 2280 Comment
  CAS-BOT-BC173283  Delphinium W. Harnach; N. Harnach 1989-4-30 045 Sierra Sierra Valley. Calpine Ranch (home) 1504 Comment
  JEPS23398  Delphinium Leland S. Smith 1925-5-21 1585 Sierra meadow near Sierraville (s arm of Valley); Sierra Valley 1524 Comment
  SEINET8686934  Delphinium andersonii W. Harnach, N. Harnach 1989-4-30 045 Sierra Sierra Valley, E of Calpine, Calpine Ranch. 1504 Comment
  UC65999  Delphinium andersonii P. B. Kennedy 1901-7-8 132 Sierra Webber Lake Comment
  CAS-BOT-BC8928  Delphinium depauperatum Lin Grayson; Gordon H. True 1981-5-16 44 Sierra Sierra Valley marsh along County Road A-24 1666 Comment
  SJSU3298  Delphinium depauperatum H. T. Shishido 1961-5-20 40 Sierra 1 mi S of Sierra City on Milton Cr Trail 1310 Comment
  CHSC105983  Delphinium glaucum Lowell Ahart 2010-9-15 17169 Sierra Along stream, near open dry meadow, about 150 yards north of the cabin, about 40 yards north of the lower pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  JEPS107592  Delphinium glaucum Lowell Ahart 2005-8-30 12342 Sierra On the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2032 Comment
  CDA19229  Delphinium gracilentum G. D. Barbe, T. C. Fuller 1982-6-17 3805 Sierra Tahoe National Forest; Calpine Meadow, NE of Calpine settlement. 1524 Comment
  CAS-BOT-BC116149  Delphinium nuttallianum Lowell Ahart 1969-5-11 S. N. Sierra Near Beckwourth, Sierra Valley. 1219 Comment
  JEPS29733  Delphinium nuttallianum Rimo Bacigalupi and L. R. Heckard 1962-5-27 8488 Sierra 4 mi w Loyalton (eastern arm of Valley); Sierra Valley 1524 Comment
  CAS-BOT-BC116145  Delphinium nuttallianum D. E. Breedlove 1962-6-13 3484 Sierra Along State Hwy. 89, 9.3 miles north of Sierraville. 1524 Comment
  CAS-BOT-BC116147  Delphinium nuttallianum Alice Eastwood 1918-6-29 7890 Sierra Near Loyalton. Comment
  CAS-BOT-BC116150  Delphinium nuttallianum Lin Grayson 1981-5-16 037 Sierra Hwy 49, 1 mi. west of intersection with Hwy 89, near Sattley. 1666 Comment
  POM308733  Delphinium nuttallianum Betty J. Jorgensen 1944-6-22 467 Sierra Little Truckee River, 10 miles N of Hobart Mills. Comment
  UCSB15814  Delphinium nuttallianum Breedlove, Dennis 1962-6-13 Sierra along State Highway 89; 9.3 miles north of Sierraville 1524 Comment
  PASA2540  Delphinium pauciflorum Margaret Stason 1932-6-21 Sierra Sierra Co., Near Hobart Mills Comment
  PASA2561  Delphinium pauciflorum Margaret Stason 1932-6-21 429 Sierra Near Hobart Mills Comment
  SEINET11676551  Deschampsia cespitosa J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  JEPS75575  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1934-8-3 16842 Sierra Pioneer rd. sta. 2 mi. e. of Bassett sta.; N. Fork Yuba R. 1706 Comment
  RSA252378  Deschampsia cespitosa subsp. cespitosa R. F. Thorne, C. W. Tilforth 1969-9-6 39195 Sierra Moist margin of Haven Lake (between Goose and Snag Lakes) 1951 Comment
  CAS-BOT-BC192641  Deschampsia danthonioides R. K. Gierisch; D. H. Esplin 1969-7-8 3508 Sierra Tahoe National Forest. Saddle Mdw. Comment
  POM181951  Deschampsia danthonioides J. G. Lemmon 1889-05 s.n. Sierra Sierra Valley. Comment
  UC1256288  Deschampsia danthonioides R. K. Gierisch and D. H. Esplin 1969-7-8 3508 Sierra Saddle Meadow Tahoe Forest, Saddle Meadow Comment
  UC34002  Deschampsia danthonioides C. F. Sonne July 1892 15 Sierra on Little Truckee R. Little Truckee R. Comment
  CHSC112373  Deschampsia elongata L. P. Janeway 2014-6-23 11402 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Grove Creek, just north of Pine Grove Cemetery, 1.3 air-km west-northwest of Howland Flat. 1646 Comment
  JEPS118425  Deschampsia elongata Lowell Ahart 2011-9-23 17697 Sierra About 100 yards north of Pass Creek, about 300 yards south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2016 Comment
  UCD63442  Deschampsia elongata A. H. Frederick 1925-6-29 Sierra Downieville. Comment
  CAS-BOT-BC43042  Descurainia incisa subsp. incisa Javier Penalosa 1962-6-20 2530 Sierra Little Truckee River at Highway 89. 1905 Comment
  SEINET5343243  Descurainia pinnata subsp. halictorum P. A. Lehenbauer 1937-6-8 115 Sierra 25 miles west of Reno, Nevada. On Truckee River at Iceland, south side of river by falls. 1676 Comment
  UC1562439  Descurainia sophia Lowell Ahart 1990-6-18 6529 Sierra about 1 mi ne Scales (on e side of road along edge of corral) 1524 Comment
  UCD83603  Descurainia sophia Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  CAS-BOT-BC43434  Descurainia sophia Mary Strong Clemens 1920-9-3 s.n. Sierra Loyalton. Comment
  CAS-BOT-BC388462  Dianthus armeria Forest Sheehan 1975-6-1 s.n. Sierra Rose Ranch near Scales 1341 Comment
  SEINET12093066  Dicentra formosa F. H. Utech 1986-1 86 -083 Sierra Tahoe Natioanal Forest, ca 1 mi N of junction North Yuba River & CA 49 bridge 950 Comment
  RSA433579  Dicentra formosa subsp. formosa Glenn A. Gorelick 1967-6-17 s.n. Sierra Shenanigan Flat, 2 miles west of Indian Valley Comment
  UCR196998  Dichelostemma George K. Helmkamp, E. A. Helmkamp 2008-5-20 13478 Sierra Sierra Nevada Mountains Foothills, Henness Pass road, 3.4 miles northeast of Camptonville 1261 Comment
  UC1562327  Dieteria canescens var. canescens Vernon Oswald and Lowell Ahart 1990-7-25 4385 Sierra ca 1.5 mi s Staverville (between Balls Ranch and Old Fish Farm) 1950 Comment
  CAS-BOT-BC290949  Dieteria canescens var. shastensis W. R. Dudley 1909-8-29 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC150494  Diplacus grandiflorus Lester Rowntree 1935-6-15 s.n. Sierra Above [Downiville] Downieville Comment
  SBBG92349  Diplacus grandiflorus B. Pitzer, S. Morgan, H. Soldan 1988-5-28 901 Sierra Convict Flat Picnic area, 12 mi NE of Camptonville, on St Hwy 49; on N Yuba River Comment
  CAS-BOT-BC151865  Diplacus mephiticus W. Harnach; N. Harnach 1989-6-24 162 Sierra Martinetti Ranch - Sierra Valley 1517 Comment
  CAS-BOT-BC151869  Diplacus mephiticus F. A. Mac Fadden 1934-6-29 12575 Sierra Little Truckee River, 13 miles from Truckee via Hobart Mills Comment
  CAS-BOT-BC151871  Diplacus mephiticus Gordon H. True 1967-7-31 3659 Sierra Verdi Peak Lookout 2590 Comment
  CAS-BOT-BC153689  Diplacus mephiticus Mrs. H. C. Cantelow 1938-7-2 s.n. Sierra 2.8 miles nw. of Calpine Comment
  CHSC65406  Diplacus mephiticus Vernon Oswald 1984-6-25 1315 Sierra La Porte-Quincy Rd., about 7.6 mi n-e of La Porte. 1828 Comment
  CAS-BOT-BC151641  Diplacus torreyi Belle R. Jackson 1932-6-1 s.n. Sierra Yuba Pass Comment
  CAS-BOT-BC154011  Diplacus torreyi Rimo Bacigalupi 1927-7-2 1585 Sierra Highway to Downieville about 8 miles northeast Camptonville Comment
  UCD64575  Distichlis spicata Beecher Crampton 1957-7-24 4424 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  SEINET8564051  Dodecatheon P. B. Kennedy, S. B. Doten 1901-7-11 150 Sierra Creek below Webber Lake, where streamlet enters. Comment
  CAS-BOT-BC136084  Dodecatheon alpinum W. Harnach; N. Harnach 1990-6-30 429 Sierra Sierra Valley, Yuba pass 2042 Comment
  UC105780  Dodecatheon alpinum C. F. Sonne 1893-6-26 Sierra Independence Lakes Sierra Nevada Mountains, Independence Lakes Comment
  RSA8039  Dodecatheon alpinum subsp. majus H. A. Barker 1927-7-17 810 Sierra Suake Lake. 2043 Comment
  JEPS14449  Downingia bacigalupii Alma U. Ames 1913-6-1 11 Sierra 1 mi w Sierraville (Bouta's Road) Comment
  JEPS21566  Downingia bacigalupii L. T. Dempster 1958-7-13 1151 Sierra 2 mi n Sattley (on road to Portola) 1496 Comment
  SBBG114929  Downingia bacigalupii D. H. Wilken 1998-6-25 15611 Sierra Beckwourth-Calpine Rd, flats S of Carman Crk, ca. 3 linear km NE of Calpine, Sierra Valley 1520 Comment
  JEPS103624  Downingia bacigalupii Lisa Schultheis 1995-7-15 251 -95 Sierra Sierra Valley. Roadside ditch, E side of Rt. A-23, 0.7 mile N of turn-off to Calpine Comment
  UC177325  Downingia bacigalupii J. G. Lemmon Sierra Comment
  UCD84130  Downingia bicornuta Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  RSA152543  Downingia bicornuta Rimo Bacigalupi, H. L. Mason, J. R. Sweeney 1953-7-7 4275 Sierra Swamp just 1 mile E of Calpine, Sierra Valley. 1494 Comment
  JEPS103661  Downingia bicornuta var. bicornuta Lisa Schultheis 1995-7-15 253 -95 Sierra Sierra Valley. Pool E side of Rt. A-23, 2 miles from Rt. 89 turn-off Comment
  UC1001282  Downingia bicornuta var. bicornuta W. L. Jepson 1918-8-17 8038 Sierra Sierra Valley, e Sierra County Sierra Valley 1524 Comment
  UCR12085  Downingia elegans Coleta A. Lawler 1968-7-2 171 Sierra Sierra Nevada Mtns., 3.9 mi NW of Sierraville. Right turn on Sattley-Beckworth [Westside] Rd, 1.1 mi NE from Hwy 49 intersection 1509 Comment
  SJSU14226  Downingia elegans N. A. Hopkins 1989-5-16 1488 Sierra c. 025. E of Sattley-Beckwourth Rd, 1.5 mi N of Calpine Rd, Sierra Valley 1524 Comment
  CHSC54555  Draba albertina Lowell Ahart 1991-7-22 6673 Sierra In meadows, French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  UC1586489  Draba albertina Lowell Ahart 1991-7-22 6673 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  UCD119188  Draperia systyla N. Hopkins 1975-7-24 155 Sierra By Woodruff Creek, 0.5 mi S of its confluence with Rock Cr. Comment
  JEPS124580 Image available Draperia systyla Peter Schultz 1967-6-30 33 Sierra Union Flat Campground. Comment
  JEPS124582 Image available Draperia systyla L. Fleckenstein 1967-6-30 30 Sierra Collected at Union Flat Campground on HWY 49 on level terrain. Comment
  SEINET12279748  Draperia systyla J. G. Lemmon 1874-1 175 Sierra Comment
  POM33915  Drymocallis glandulosa C. C. Bruce s.n. Sierra Near Sierra Comment
  JEPS124758 Image available Dudleya cymosa N. L. Rechen 1964-6-25 65 Sierra 3 miles east of Downieville on Hwy 49. Comment
  RSA252445  Dulichium arundinaceum Robert F. Thorne, C. W. Tilforth 1969-9-6 39213 Sierra Haven Lake (between Goose and Snag Lakes). 1951 Comment
  CHSC45549  Dysphania botrys Lowell Ahart 1976-10-1 1216 Sierra Growing on a pile or road gravel, along the edge of Ridge Road, this is the road that goes from Highway 49 to the town of Alleghany, about 3 miles south of Camptonville. 914 Comment
  UC1112285  Elatine chilensis Herbert L. Mason 1952-7-17 14374 Sierra 0.4 mi s Little Truckee River (Hwy 89); Sierra Nevada Comment
  UC1112286  Elatine chilensis Herbert L. Mason 1952-8-17 14494 Sierra 0.4 mi s Little Truckee River Bridge; Sierra Nevada; S of Little Truckee River Bridge, Sierra Co. 1920 Comment
  CAS-BOT-BC27346  Elatine gracilis Herbert L. Mason 1952-8-17 14494 Sierra 0.4 mile S of Little Truckee River Bridge 1920 Comment
  NY94464  Elatine gracilis H. L. Mason 1952-8-17 14494 Sierra 0.4 mile south of Little Truckee River Bridge. 1920.2 Comment
  CHSC78284  Eleocharis acicularis Lowell Ahart 2000-7-9 8562 Sierra Open meadow area south of the snow lake, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak, about 7 1/2 miles (air) northeast of La Porte. 1828 Comment
  CHSC81416  Eleocharis acicularis Lowell Ahart 2001-9-28 9301 Sierra Around the drying ponds on the bottom of the Poverty Hill Hydraulic gold mine, north of Poverty Hill (town), about 4 miles (air) south of La Porte. 1524 Comment
  SEINET3477175  Eleocharis acicularis var. acicularis Unknown 2000-7-9 8562 Sierra La Porte, La Porte, about 10.5 air miles northeast, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge 1820 Comment
  CAS-BOT-BC113420  Eleocharis bella Catherine Best 1982-7-10 708 Sierra Near the Little Truckee River about 15 mi NW of Truckee. Comment
  CHSC43526  Eleocharis bella Lowell Ahart 1975-8-17 953 Sierra In Jones Valley, about 3 miles west and 2 miles south of Webber Lake. 2286 Comment
  UC116131  Eleocharis bella J. G. Lemmon 1874-1 219 Sierra Comment
  CAS-BOT-BC494123  Eleocharis macrostachya W. Harnach; N. Harnach 2000-8-23 983 Sierra Sierra Valley. 1.5 mi W of Sierraville, on Hwy 49. Strong Pond 1505 Comment
  CAS-BOT-BC113145  Eleocharis palustris Willis Linn Jepson 1918-8-18 8044 Sierra Sierra Valley 1524 Comment
  JEPS102760  Eleocharis suksdorfiana Lowell Ahart 2001-8-8 9068 Sierra In a large mountain meadow, Haypress Valley, 100 yards south of Yuba Pass Webber Lake Road (Forest Road 12), about 1/2 miles NW of Church Camp, about 4 miles (air) NW of Webber Lake. 2133 Comment
  SEINET3441889  Eleocharis suksdorfiana Unknown 2000-7-13 8588 Sierra Scenery Gulch, Scenery Gulch, about 6.5 miles south of Moffat County line, county road 142, off State highway 64 1610 Comment
  UCR12044  Elodea nuttallii Coleta A. Lawler 1968-7-2 170 Sierra Sierra Nevada Mtns., 3.9 mi NW of Sierraville. Right turn on Sattley-Beckworth [Westside] Rd, 1.1 mi NE from Hwy 49 intersection 1509 Comment
  JEPS124722 Image available Elodea nuttallii Himayat H. Naqvi 1965-7-6 123 Sierra One mile from the intersection of Sately and highway 89. Comment
  JEPS124724 Image available Elodea nuttallii J. Yamanaka 1965-7-6 108 Sierra 1.4 mi. from junction Beckworth Rd. and HWY 89 at Sattley. Comment
  CAS-BOT-BC227124  Elymus W. Harnach; N. Harnach 1989-5-18 097 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  CAS-BOT-BC231516  Elymus Ayzik Solomeshch 2009-6-8 s.n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  SEINET12742249  Elymus elymoides W. Harnach, N. Harnach 1990-6-30 430 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  CAS-BOT-BC207368  Elymus elymoides subsp. californicus L. P. Janeway 1984-8-19 1053 Sierra Meadow at the second switchback down the road from Packers Saddle towards Packer Lake. 1981 Comment
  CHSC37214  Elymus elymoides subsp. californicus L. Ahart 1982-7-28 3704 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC44593  Elymus elymoides subsp. californicus Lowell Ahart 1977-8-2 1517 Sierra On a ridge on the west side of Mount Fillmore, near the summit of Mount Fillmore, about 12 miles north-east of La Porte. 2194 Comment
  CHSC74159  Elymus elymoides subsp. californicus B. Castro; M. A. Griggs 1997-7-10 752 Sierra Bunker Hill Ridge, on slope E of Duck Soup Pond, approaching the ridge crest, along Pacific Crest Trail. 2103 Comment
  CDA31714  Elymus elymoides subsp. elymoides T. C. Fuller 1963-7-17 10929 Sierra North side of Dog Valley Rd., 1.0 miles northwest of Verdi, Nevada, just west of stateline in Sierra County. 0 Comment
  HSC97016  Elymus elymoides var. californicus L. Ahart 2006-6-21 12809 Sierra W side of Foote Rd., about 3.7 mi. SW of Alleghany. 1094 Comment
  CAS-BOT-BC206585  Elymus glaucus subsp. glaucus L. S. Smith 1927-7-27 2125 Sierra Naer Dorsey Station, Yuba Pass Road 1981 Comment
  CAS-BOT-BC206589  Elymus glaucus subsp. glaucus Alice Eastwood 1918-6-29 7819 Sierra Loyalton Comment
  SEINET13384116 Image available Elymus glaucus var. glaucus George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-1 19437 Sierra Nothern Sierra Nevada Mountains: Henness Pass Road, 1.1 mile east of its junction with CA-89 at the north end of Kyburz Flat 1907 Comment
  UCD62719  Elymus trachycaulus Beecher Crampton 1957-7-24 4412 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  SEINET10554748  Elymus trachycaulus Lowell Ahart 1991-7-22 Ahart 6692 Sierra French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. Uncommon. Mountain Meadow in Red Fir Forest. 2134 Comment
  SEINET12539508  Epilobium brachycarpum W. Harnach, N. Harnach 1992-7-4 694 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch, logging road up Barry Creek. 1524 Comment
  UC1122346  Epilobium campestre H. S. Yates 1935-6-28 5269 Sierra 5 1/4 mi nne Sattley; Sierraville Quadrangle Comment
  JEPS125710  Epilobium canum William Harnach 2015-8-26 1444 Sierra Salmon Creek Campground. Comment
  JEPS102635  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2001-8-10 9106 Sierra About 200 yards west of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 150 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  JEPS43828  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1934-8-3 16823 Sierra 2 mi e Bassett road station; North Fork Yuba River, Pioneer road station 1706 Comment
  SEINET9066624 Image available Epilobium ciliatum subsp. glandulosum J. G. Lemmon 1874-1 [s.n.] Sierra Sierra Valley Comment
  UC334398  Epilobium ciliatum subsp. glandulosum unknown Sept. 1890 Sierra Webber Lake Comment
  CHSC80955  Epilobium densiflorum Lowell Ahart 2001-8-10 9082 Sierra On the west side of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  OBI12067  Epilobium glaberrimum Carl B. Wolf 1937-8-6 9049 Sierra Northern Sierra Nevada, N fork of Yuba River, 5 mi above Downieville 1067 Comment
  RSA21689  Epilobium glaberrimum subsp. glaberrimum Carl B. Wolf 1937-8-6 9049 Sierra Northern Sierra Nevada. No. Fork of Yuba River, 5 mi. above Downieville. 1067 Comment
  SEINET12861904  Epilobium hallianum P. B. Kennedy, S. B. Doten 1901-7-5 91 Sierra [Sierra Nevada] spring near Webber Lake Comment
  CHSC97011  Epilobium howellii L. P. Janeway; Susi Urie, Chris Christofferson, Linnea Hanson, M. 2007-7-19 9119 Sierra Northern High Sierra Nevada. Tahoe National Forest; along southern edge of meadow at confluence of Dorsey Creek, Lunch Creek, and North Yuba River; 1.5 km west of Yuba Pass. In narrow transition area between part of meadow dominated by Veratrum californicum and surrounding forest. 1948 Comment
  CHSC94154  Epilobium minutum Lowell Ahart 2006-6-21 12818 Sierra On the east side of the Foote Road, about 2.7 miles (by road) southwest of Alleghany. 1103 Comment
  JEPS123997  Epilobium minutum Lowell Ahart 2015-5-9 20175 Sierra About 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. Comment
  CAS-BOT-BC57034  Equisetum arvense D. E. Breedlove 1962-6-13 3531 Sierra on bank of the Little Truckee River, on State Highway 89, 11.3 miles south of Sierraville; Sierra Nevada 1905 Comment
  SBBG47392  Equisetum arvense J. T. Howell 1969-9-13 46110 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  UCD135281  Equisetum arvense N. Hopkins 1971-6-14 396 Sierra Lemmon Cyn. 1676 Comment
  CAS-BOT-BC57803  Equisetum laevigatum M. S. Taylor 1982-7-19 4885 Sierra Between Hwy 89 and Little Truckee River, ca 1/4 mi. n. of Little Truckee Campground ca. 12 mi. sw. of Sierraville. Comment
  UC1192372  Equisetum laevigatum Herbert L. Mason 1953-7-7 14557 Sierra ditch n of Sattley; Sierra Valley Comment
  SEINET8821623  Eremogone congesta var. subcongesta W. Harnach, N. Harnach 1989-5-5 058 Sierra Sierra Valley, Approx 5 N of Sierraville on Hwy 49, Newman Point. 1524 Comment
  CHSC41242  Eremogone congesta var. suffrutescens J. D. Jokerst 1982-9-10 1670 Sierra Along the trail to the summit of the Sierra Butte (from Packer Lake). 2316 Comment
  SJSU5006  Eremogone congesta var. suffrutescens N. A. Hopkins 1968-6-28 132 Sierra Packer L 1950 Comment
  SEINET12875616 Image available Eremogone fendleri J. G. Lemmon 1874-1 [s.n.] Sierra Sierra Valley. Comment
  HSC97040  Eremogone kingii var. glabrescens L. Ahart 2006-6-28 12875 Sierra 3/4 air mi. E of Lake Delahunty, 2 air mi. NE of Gibsonville 1836 Comment
  CAS-BOT-BC286685  Ericameria bloomeri John Thomas Howell 1969-9-13 46127 Sierra Near the southwest end of Webber Lake 2072 Comment
  CAS-BOT-BC286689  Ericameria bloomeri R. K. Gierisch; D. H. Esplin 1969-9-25 3616 Sierra Sierra National Forest Comment
  CAS-BOT-BC291263  Ericameria bloomeri L. S. Smith 1925-8-31 1721 Sierra Tahoe National Forest. Haskel [Haskell] Pk and elsewhere 2438 Comment
  JEPS88370  Ericameria bloomeri Vernon H. Oswald and Lowell Ahart 1996-8-19 8185 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 0.7 mi s Hwy 49; northern High Sierra Nevada 2072 Comment
  UCR45976  Ericameria bloomeri R. D. Goeden 1986-9-10 s.n. Sierra Sierra Nevada Mtns, Above Perazo Meadow, on the north side of Fibreboard Rd, NW of Truckee & c. 10 mi. east of Jackson Meadow Reservoir, Tahoe National Forest 2012 Comment
  SEINET5709304 Image available Ericameria bloomeri J. Semple, B. Semple 1981-1 5729 Sierra Hwy 49, E of Yuba Pass.; Yuba Pass Comment
  CAS-BOT-BC292391  Ericameria nauseosa R. K. Gierisch; D. H. Esplin 1969-9-25 3617 Sierra Tahoe Forest Comment
  CAS-BOT-BC298127  Ericameria nauseosa var. oreophila Mary Strong Clemens 1920-9-3 s.n. Sierra Loyalton Comment
  UC1119773  Ericameria nauseosa var. oreophila A. Lewis 1934-11-5 542 Sierra 6 mi nw of Loyalton; Sierraville Quad. 1493 Comment
  JEPS19371  Ericameria nauseosa var. speciosa R. C. Wilson 1938-8-9 649 Sierra Long Valley Sierraville 1341 Comment
  JEPS75252  Ericameria nauseosa var. speciosa John Thomas Howell 1969-9-13 46100 Sierra near outlet of Webber Lake; Sierra Nevada, Little Truckee River 2042 Comment
  UC1119840  Ericameria nauseosa var. speciosa C. G. Albertus 1935-9-24 288 Sierra 4 1/2 mi ese of Sulphur Springs; Sierraville Quad. 1981 Comment
  UCD22407  Ericameria parryi L. Allen, A. M. Shapiro 2001-8-1 s.n. Sierra Wallace (Torri) Ranch. About 1.5 miles NNE of Sierraville. Sagebrush-shrub steppe. 1493 Comment
  UCD131548  Ericameria parryi var. nevadensis K. M. Meyer; A. Townesmith 2007-7-15 117 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  UCD22396  Ericameria parryi var. vulcanica Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1318 Sierra Along Hwy 49 NE of the town of Sierraville, ca. 2 road miles from town. Roadside. 1524 Comment
  CAS-BOT-BC293529  Erigeron aphanactis var. aphanactis Alice Eastwood 1918-6-29 7855 Sierra Loyalton Comment
  CAS-BOT-BC205244  Erigeron bloomeri var. bloomeri James R. Shevock; Barbara Ertter 1986-6-1 11533 Sierra Northern Sierra Nevada. Toiyabe National Forest. Dog Valley, 6.8 miles west of Verdi adjacent to the Forest Service Guard Station 1800 Comment
  CHSC67163  Erigeron bloomeri var. bloomeri James D. Jokerst 1991-7-1 3329 Sierra Golden Dome Mine Project Site in the S end of Antelope Valley, E of Sierra Valley. Meadow westward adjacent to the 'Astrodome'. Comment
  CAS-BOT-BC294475  Erigeron bloomeri var. bloomeri David D. Keck 1928-6-13 429 Sierra Newman Point, Sierra Valley 1524 Comment
  CAS-BOT-BC294477  Erigeron bloomeri var. bloomeri James T. Vale 1979-6-4 s.n. Sierra Sierraville Comment
  UC382599  Erigeron bloomeri var. bloomeri David D. Keck 1928-6-13 429 Sierra Newman Point Sierra Valley, Newman Point 1524 Comment
  UCD63695  Erigeron coulteri Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Sierra Forest City. Granite Mountain. Tahoe National Forest. Banner Mine Road to Harris Meadows. 1820 Comment
  CAS-BOT-BC297210  Erigeron coulteri H. Albert Barker 1926-7-1 16 Sierra South of Sierraville on road to Truckee 1828 Comment
  UC1118127  Erigeron divergens G. T. Nordstrom 1936-7-23 960 Sierra 2 mi sw Purdy; Sierraville Quad. 1615 Comment
  CAS-BOT-BC296797  Erigeron divergens W. Harnach; N. Harnach 1991-6-24 578 Sierra Antelope Valley 1706 Comment
  SJSU12107  Erigeron divergens N. A. Hopkins 1983-6-15 1133 Sierra Upper Long Valley just west of Bordertown 1584 Comment
  UC585083  Erigeron eatonii var. nevadincola E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1623 Sierra about 3.5 mi ne of Sierraville (on road to Loyalton, se edge of Sierra Valley); Sierra Valley, Newman point 1615 Comment
  SEINET8667236 Image available Erigeron eatonii var. plantagineus W. Harnach, N. Harnach 1989-5-18 095 Sierra Sierra Valley. 0.75 miles E of Calpine, Calpine Ranch (home) 1506 Comment
  CAS-BOT-BC300847  Erigeron glacialis var. glacialis L. P. Janeway 1989-8-11 3578 Sierra Plumas National Forest, Beckwourth Ranger District. Northeast flank of Haskell Peak and ca 3/4 mi northwest of Chapman Saddle 2133 Comment
  CAS-BOT-BC300849  Erigeron glacialis var. glacialis H. Albert Barker 1926-7-3 33 Sierra Packer Lake 1981 Comment
  CHSC60602  Erigeron glacialis var. glacialis L. P. Janeway 1984-7-29 947 Sierra About 3-1/2 mi southeast from Gold Lake, near Road 28 (21N11). Ridgetop/saddle. 2225 Comment
  CAS-BOT-BC300854  Erigeron glacialis var. glacialis Charlotte Pyle 1978-8-1 s.n. Sierra Sierra Buttes Comment
  CHSC40972  Erigeron glacialis var. hirsutus J. D. Jokerst 1984-7-21 2105 B Sierra Ca 200 feet N of Haypress Creek, East of Sierra City. 1767 Comment
  UCR46576  Erigeron inornatus R. D. Goeden 1986-9-10 s.n. Sierra Sierra Nevada Mtns, Above Perazo Meadow, on the north side of Fibreboard Rd, NW of Truckee & c. 10 mi. east of Jackson Meadow Reservoir, Tahoe National Forest 2012 Comment
  SJSU14318  Erigeron inornatus N. A. Hopkins 1989-8-6 1569 Sierra on Deadmans Peak 1981 Comment
  CHSC53130  Erigeron inornatus var. inornatus l. P. Janeway 1989-8-24 3636 Sierra Plumas National Forest. E end of McNair Mdw; ca 1 mi W of Calpine L.O. 1661 Comment
  CHSC93104  Erigeron inornatus var. inornatus L. P. Janeway 1994-7-1 4678 Sierra Northern High Sierra Nevada. Along Road 20N06 0.2 mi southwest of its crossing of Rock Creek; about 0.3 mi northwest of Canyon Creek. Southeast-facing road cutbank. 1127 Comment
  JEPS41435  Erigeron inornatus var. inornatus J. G. Lemmon Sierra Sierra Valley Comment
  RSA125755  Erigeron inornatus var. inornatus Arthur R. Kruckeberg 1954-8-1 3662 Sierra Along Highway 49, 3 miles E of Yuba Pass; Tahoe National Forest Comment
  SJSU12198  Erigeron inornatus var. inornatus N. A. Hopkins 1983-8-30 1168 Sierra ca. 1 mi SW of Calpine 1524 Comment
  SEINET8667572 Image available Erigeron inornatus var. reductus M. J. Williams, A. Tiehm 1974-8-17 74 -S-55 Sierra Verdi Ridge road. Verdi Range 2134 Comment
  CDA11837  Erigeron lassenianus var. lassenianus G. F. Hrusa, E. Sandoval 1993-5-3 11150 Sierra Sierra Valley Region; Antelope Valley. Comment
  CHSC37223  Erigeron miser L. Ahart 1982-7-28 3699 Sierra Cliffs, ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC63116  Erigeron reductus var. reductus Lowell Ahart 1994-7-1 7432 Sierra South of the larger pond, on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  JEPS87625  Erigeron reductus var. reductus Lowell Ahart 1994-7-1 7432 Sierra n side of Henness Pass Rd. e Keystone Mt. (about 1 1/2 mi ne of Middlewaters, about 11 air mi ne of Alleghany, s of larger pond); Keystone Gap 1889 Comment
  UCR54438  Eriodictyon californicum B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 0889 Sierra Sierra Nevada Mtns, above Ramshorn Campground on Hwy 49, c. 15 miles NE of Comptonville and c. 5 mi. west of Downieville 823 Comment
  JEPS125771  Eriodictyon lobbii William Harnach 2015-7-1 1423 Sierra 1.25 miles fromm Henness Pass Road on FS Road 98 to Harris Meadows. Comment
  JEPS57077  Eriogonum baileyi var. praebens J. G. Lemmon 1872-1 Sierra Sierra Valley Comment
  UCD99876  Eriogonum douglasii Tim Metcalf 1974-5-27 358 Sierra Elephants Head Peak, east of State Hwy. 49, 2.5 miles northeast of Loyalton. 1737 Comment
  CHSC68022  Eriogonum douglasii var. meridionale James D. Jokerst 1985-7-22 2531 Sierra 1496 Comment
  JEPS57044  Eriogonum douglasii var. meridionale J. G. Lemmon Sierra near Webber Lake Comment
  CAS-BOT-BC255701  Eriogonum douglasii var. meridionale W. Harnach; N. Harnach 1989-5-7 060 Sierra Newman Point, Sierra Valley 1524 Comment
  RSA748766  Eriogonum lobbii var. lobbii K. M. Meyer, A. Townesmith 2007-7-17 130 Sierra Tahoe National Forest. 1 mile up road toward Lake of the Woods, off road 07. 2191 Comment
  CHSC69190  Eriogonum luteolum var. luteolum Vernon Oswald; Lowell Ahart 1997-8-19 8835 Sierra Footes Crossing Rd. (County Rd. 191) on the north side of the Middle Fork of Yuba River, 5.3 mi southwest of Alleghany. 1066 Comment
  CDA22617  Eriogonum marifolium D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .296 Sierra Above Sardine Lake on road to Sierra Butte. Comment
  UCR54282  Eriogonum marifolium B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0946 Sierra Sierra Nevada Mtns., Plumas National Forest, Gold Lake, near the boat ramp 1960 Comment
  UCSB16004  Eriogonum marifolium Breedlove, Dennis 1962-6-13 Sierra on bank of Little Truckee River; 11.3 miles south of Sierraville on State Highway 89; Sierra Nevada 1905 Comment
  CAS-BOT-BC267381  Eriogonum marifolium var. marifolium D. E. Breedlove 1962-6-13 3536 Sierra On bank of Little Truckee River, 11.3 miles south of Sierraville on State Hwy. 89 1905 Comment
  CAS-BOT-BC267385  Eriogonum marifolium var. marifolium Lewis S. Rose 1934-7-12 34353 Sierra Gold Lake 1950 Comment
  CHSC45847  Eriogonum marifolium var. marifolium Lowell Ahart 1977-8-2 1520 Sierra On the ridge on the west side of Mount Fillmore, near the summit, about 12 miles north-east of la Porte. 2194 Comment
  CHSC66815  Eriogonum marifolium var. marifolium Vernon H. Oswald; Lowell Ahart 1996-8-19 8201 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.2 mi S of the road to Lincoln Valley. 2346 Comment
  RSA515714  Eriogonum marifolium var. marifolium B. Pitzer, S. Morgan, H. Soldan 1988-5-29 946 Sierra Gold Lake, near the boat ramp, Plumas National forest. Comment
  CHSC67277  Eriogonum microthecum var. laxiflorum James D. Jokerst 1990-7-27 3166 Sierra Balls Ranch. Summit of Bald Mtn. Range at N end. 2621 Comment
  CAS-BOT-BC260785  Eriogonum nudum var. deductum Lewis S. Rose 1934-7-5 34320 Sierra Gold Lake Comment
  UC1032207  Eriogonum nudum var. deductum G. T. Nordstrom 1934-6-28 159 Sierra 1 1/4 mi w Bickford Dairy; Tahoe National Forest, Truckee Quadrangle Comment
  POM203494  Eriogonum nudum var. deductum L. S. Rose 1934-7-5 34320 Sierra Gold Lake 1951 Comment
  CAS-BOT-BC261613  Eriogonum nudum var. nudum Lowell Ahart 1980-9-9 2601 Sierra Between the outlet of Webber Lake and Little Truckee River 2200 Comment
  CHSC66816  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1996-8-19 8234 Sierra Northern High Sierra Nevada. Road to Lake of the Woods 1.0 mi N of Forest Rt. 07, NE of Webber Lake. 2194 Comment
  CAS-BOT-BC261612  Eriogonum nudum var. nudum Lowell Ahart 1983-10-27 4490 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadows Res., about 1 mile south of Pass Creek, near Jackson Meadows Res. 2200 Comment
  SEINET8584758  Eriogonum nudum var. oblongifolium W. Harnach 2012-8-13 1293 Sierra Road 21N27 at the intersection with Road 21N27B, approx 2.0 miles from Chapman Saddle, Plumas National Forest 2161 Comment
  UCR54299  Eriogonum nudum var. pubiflorum B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-26 0900 Sierra Convict Flat Picnic Area, 12 mi NE of Camptonville, on Hwy 49. On N Yuba River 760 Comment
  CHSC45850  Eriogonum spergulinum var. reddingianum Lowell Ahart 1975-8-17 950 Sierra In Jones Valley, about 3 miles west and 2 miles south of Webber Lake. 2286 Comment
  CAS-BOT-BC269966  Eriogonum spergulinum var. reddingianum Gladys L. Smith 1959-6-20 1246 Sierra On road betw. Gold Lake and Feather River Highway, at Plumas - Sierra county line 1981 Comment
  CAS-BOT-BC269968  Eriogonum spergulinum var. reddingianum John Thomas Howell 1969-9-13 46130 Sierra Near the southwest end of Webber Lake 2072 Comment
  RSA766299  Eriogonum spergulinum var. reddingianum Joseph A. Ewan 1934-6-26 8258 Sierra Near Plumas Co. line on Gold Lake road. Sierra Nevada. 1829 Comment
  CAS-BOT-BC271883  Eriogonum spergulinum var. spergulinum W. Harnach; N. Harnach 1989-6-24 163 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1517 Comment
  CHSC41117  Eriogonum strictum var. proliferum J. D. Jokerst 1985-7-22 2543 Sierra Sierra Valley in small triangle NW of and adjacent to the junction of Westside Rd. and turnoff to Calpine (Calpine Rd). 1493 Comment
  CHSC107893  Eriogonum umbellatum var. modocense L. P. Janeway 2011-9-15 10731 Sierra Northern High Sierra Nevada. Plumas National Forest; at head of East Branch Slate Creek; along the road to Johnsville (Road 900; Road 22N12X) 7.7 road km east of Quincy-La Porte road; 0.8 air km west-northwest of Mt. Etna. 1948 Comment
  CHSC45491  Eriogonum umbellatum var. modocense Lowell Ahart 1977-8-2 1521 Sierra On the ridge on the west side of Mount Fillmore, near the summit, about 12 miles north-east of La Porte. 2194 Comment
  CAS-BOT-BC262084  Eriogonum umbellatum var. nevadense D. E. Breedlove 1962-6-13 3535 Sierra On bank of Little Truckee River, 11.3 miles south of Sierraville on State Hwy. 89 1905 Comment
  CHSC32053  Eriogonum umbellatum var. nevadense L. Ahart 1974-9-6 622 Sierra Along rd below Big Rocks, near Mt. Etna, ca. 10 mi ne of La Porte. 1828 Comment
  CHSC41116  Eriogonum umbellatum var. nevadense J. D. Jokerst 1985-7-22 2545 Sierra Sierra Valley, NW of and adjacent to the junction of Westside RD. and Calpine RD. 1493 Comment
  CHSC67275  Eriogonum umbellatum var. nevadense James D. Jokerst 1990-7-27 3165 Sierra Balls Ranch Surveys for Jones and Stokes. Summit of Bald Mtn. Range at N end. 2621 Comment
  SEINET5341984  Eriogonum umbellatum var. nevadense R. R. Halse 2010-8-26 8092 Sierra Along State Hwy 49 ca. 7.6 miles west of Loyalton or ca. 5 miles north of Sierraville. 1508 Comment
  UC585153  Eriogonum umbellatum var. nevadense E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1621 Sierra on road to Loyalton about 3 1/2 mi ne Sierraville (Newman point, se edge of Sierra Valley); Sierra Valley, Newman point 1600 Comment
  JEPS94406  Eriogonum umbellatum var. polyanthum Vernon Oswald and Lowell Ahart 1997-8-19 8824 .2 Sierra 6.3 mi s of Goodyears Bar (Mountain House Road (County Road 300) just s of its junction with Henness Pass Road (County Road 293), boundary between Sections 19 & 20); Mountain House Road 1389 Comment
  UC1032277  Eriogonum umbellatum var. torreyanum G. T. Nordstrom 1936-7-9 912 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  UC367077  Eriogonum umbellatum var. torreyanum Lemmon Aug 1874 Sierra near Webber Lake (on high peaks of the High Sierra); High Sierra Comment
  CAS-BOT-BC262290  Eriogonum ursinum H. Albert Barker 1926-7-8 78 Sierra Gold Lake Ridge, summit Comment
  SEINET3411953 Image available Eriogonum ursinum Herbert McClean Evans, E. A. Helmkamp 1921-7-6 Sierra near Sardine Lake Comment
  SJSU9511  Eriogonum ursinum Dixie Funnell 1965-6-29 33 Sierra near Goodyears Bar on N Yuba R c. 4.5 mi W of Downieville 833 Comment
  CHSC107890  Eriogonum ursinum var. ursinum Dean Wm. Taylor 2011-8-11 21154 Sierra Sierra Nevada; Jepson manual nSNH region; Jackson Meadows Reservoir, along Graniteville Road 0.5 miles S of the western dam abutment (Middle Fork Yuba River watershed). 1859 Comment
  JEPS118176  Eriogonum ursinum var. ursinum Dean W. Taylor 2011-8-11 21156 Sierra Henness Pass Road 3 miles West from Milton Reservoir (Middle Fork Yuba River watershed) 2061 Comment
  SEINET530713  Eriogonum ursinum var. ursinum Paul Opler Sierra Mountain House Rd. 1398 Comment
  CHSC66817  Eriogonum vimineum Vernon H. Oswald; Lowell Ahart 1996-8-19 8238 Sierra Northern High Sierra Nevada. S side of Little Truckee Bridge on the road to Independence Lake, just S of Forest Rt. 07 and ca. 1 mi W of Hwy. 89. Edge of the road. 1950 Comment
  JEPS19660  Eriogonum vimineum W. L. Jepson 1934-7-30 16776 Sierra Downieville Comment
  JEPS95020  Eriogonum vimineum Vernon Oswald and Lowell Ahart 1997-8-19 8835 Sierra 5.3 mi sw of Alleghany (Footes Crossing Road (county Rd 191) on n side of the Middle Fork of Yuba River); Middle Fork of Yuba River 1066 Comment
  SCFS2087  Eriogonum vimineum M. Wheelis 1964-6-25 86 Sierra 4 mi W of Downieville, Hwy 49 823 Comment
  SJSU12008  Eriogonum vimineum N. A. Hopkins 1975-7-24 719 Sierra S of Alleghany on rd to Foote's Crossing of Middle Fork of Yuba R 1219 Comment
  JEPS109901  Eriophorum gracile Dean W. Taylor 2006-8-24 19627 Sierra MAIDEN VALLEY; watershed Middle Fork Feather River (ca. 5 air miles SW of Sierraville) 2179 Comment
  SJSU12078  Eriophyllum lanatum N. A. Hopkins 1975-6-16 669 Sierra above Pauley Cr between 2nd & 3d divides 1158 Comment
  SEINET7248594  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Elizabeth Helmkamp 2013-1 Sierra Comment
  CAS-BOT-BC301394  Eriophyllum lanatum var. grandiflorum Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  RSA122465  Eriophyllum lanatum var. grandiflorum A. Lewis 1934-8-5 527 Sierra 4.5 miles west of Sierra City 1067 Comment
  CHSC110246  Eriophyllum lanatum var. integrifolium L. P. Janeway 2012-6-24 10897 Sierra Northern High Sierra Nevada. Top of band of serpentine along Sawmill Ridge 1.0 km southeast of Delahunty Lake and 2.7 km northwest of Mt Fillmore. 1901 Comment
  UCR18716  Eriophyllum lanatum var. integrifolium Frank C. Vasek 1975-7-10 750710- 03 Sierra Sierra Nevada Mtns, about 15 miles north of Truckee Ranger Station [via Hwy 89], on Hennes Pass Rd. 1.5 miles west of State Hwy 89 1950 Comment
  SEINET12005813  Erysimum asperum J. G. Lemmon 1874-1 11 Sierra Sierra Co., &c Comment
  CHSC94170  Erysimum capitatum var. capitatum Lowell Ahart 2006-6-21 12838 Sierra About 30 yards east of Lucky Dog Creek, about 100 yards west of the road, about 2 1/2 miles (by road) west of Forest. 1397 Comment
  CHSC94213  Erysimum capitatum var. capitatum Lowell Ahart 2006-6-28 12868 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  SEINET11249730  Erysimum capitatum var. capitatum W. Harnach, N. Harnach 1990-5-28 330 Sierra Sierra Valley, W of Loyalton, Antelope Valley, Balderson Ranch. 1554 Comment
  SEINET5342720  Erysimum capitatum var. capitatum S. B. Doten 1901-7-2 75 Sierra [Sierra Nevada] Near Webber Lake Comment
  CDA12301  Erysimum capitatum var. purshii G. F. Hrusa 1991-7-4 8567 A Sierra Sierra Valley; Antelope Valley, approx. 1.5 miles from Sierraville Rd. Comment
  CHSC43504  Erythranthe breweri Lowell Ahart 1977-7-15 1471 Sierra In the meadow on the north side of Mount Fillmore, about 12 miles north-east of La Porte. 2133 Comment
  CHSC43996  Erythranthe guttata L. P. Janeway 1984-8-18 1009 Sierra Near middle of mdw near the second switchback (towards southeast) from Packers saddle. 1981 Comment
  SEINET14291748  Erythranthe guttata S. B. Doten, P. B. Kennedy 1901-7-8 118 Sierra Falls below Webber Lake. Comment
  CHSC94177  Erythranthe microphylla Lowell Ahart 2006-6-21 12799 Sierra On the west side of the Foote Road, near Blue Ravine, about 3 miles (by road) southwest of Alleghany. 1053 Comment
  SBBG129061  Erythranthe moschata G. K. Helmkamp, E. A. Helmkamp 2013-6-5 20765 Sierra CA-49, 1.2 mi N of the Yuba County line 901 Comment
  CDA9331  Erythronium purpurascens D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .293 Sierra Above Sardine Lake on road to Sierra Butte. Comment
  JEPS50834  Erythronium purpurascens Theodore Niehaus 1967-6-7 764 Sierra Pipe Creek where it crosses Canyon Creek; Pipe Creek 1828 Comment
  CAS-BOT-BC502814  Erythronium purpurascens Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  SEINET10528921  Erythronium revolutum H. M. Evans 1921-7-23 Evans s.n. 1921 Sierra Salmon Lake. 7600 feet. 2310 Comment
  CAS-BOT-BC304415  Eucephalus breweri J. C. Semple; B. A. Suripto; T. Ahmed 1990-8-13 9319 Sierra Yuba Pass Rd (For.Rd-12) S of CA-49, SE of Berry Creek Comment
  CAS-BOT-BC310397  Eucephalus breweri Lewis S. Rose 1934-7-20 34395 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC310399  Eucephalus breweri Carl B. Wolf 1937-8-6 9064 Sierra Northern Sierra Nevada, 1/2 mi. NE. of Gold Lake 1920 Comment
  CAS-BOT-BC310400  Eucephalus breweri Rimo Bacigalupi; L. Constance; E. Nasir 1953-9-9 4358 Sierra Sierra & Nevada County boundary. Along forest road between Webber Lake and Meadow Lake, Tahoe National Forest, very close to the county line 2133 Comment
  SCFS1137  Eucephalus breweri F. Felix 2015-1 Sierra Sagehen Forest Project, south demo plot Comment
  SJSU12268  Eucephalus breweri N. A. Hopkins 1983-8-30 1177 Sierra near Pacific Crest Trail c. 1.5 mi N of Packer Saddle Comment
  SEINET9594870  Euphorbia crenulata S. B. Doten 1901-6-20 553 Sierra Little Truckee River. Comment
  CAS-BOT-BC310548  Eurybia integrifolia L. P. Janeway 1984-8-12 999 Sierra At second switchback (to the south) along road down from Packers Saddle 1965 Comment
  CAS-BOT-BC310552  Eurybia integrifolia Elmer I. Applegate 1921-9-7 3365 Sierra Gold Lake Comment
  CAS-BOT-BC310546  Eurybia integrifolia Gordon H. True 1971-9-7 7060 Sierra Mt. Lola Trail in Cold Water Canyon 2103 Comment
  UC1557870  Euthamia occidentalis J. Semple and S. Heard 1986-8-13 8412 Sierra Fiddle creek Campground W of Downieville on CA-49 Comment
  CAS-BOT-BC278413  Festuca idahoensis Catherine Best 1983-8-29 994 Sierra Growing along Hwy 49 just west of the Yuba Summit 2042 Comment
  CAS-BOT-BC278916  Festuca ovina Catherine Best 1981-6-18 s.n. Sierra At Yuba Summit Comment
  UCD66432  Festuca subulata A. A. Beetle 1944-8-17 3044 Sierra Near summit of Yuba Pass. 1935 Comment
  CAS-BOT-BC278201  Festuca viridula Catherine Best 1982-7-12 746 Sierra Salmon Lake 1981 Comment
  SEINET8248461  Festuca viridula John B. Sunberg 1900-8-4 Sierra Webber Lake. 2134 Comment
  SEINET12183464  Floerkea proserpinacoides F. H. Utech 1986-1 86 -069 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  UCD113245  Fragaria vesca S. P. Lynch 1975-5-25 1282 Sierra On Hwy 49 ca. 25 mi. S of Sierra City. Comment
  CAS-BOT-BC457010  Fragaria virginiana subsp. platypetala W. Harnach; N. Harnach 1990-5-13 310 Sierra Martinetti Ranch, Sierra Valley 1517 Comment
  SD22843  Frangula purshiana Carl B. Wolf 1937-8-6 9048 Sierra Northern Sierra Nevada, No. fork of Yuba River, 5 mi. above Downieville 1067 Comment
  UCD82698  Frangula rubra Rodney Gale Myatt 1971-7-3 1551 -b Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  CAS-BOT-BC55792  Frangula rubra subsp. yosemitana John Thomas Howell 1951-8-21 28279 Sierra West side of Yuba Pass 1524 Comment
  CAS-BOT-BC504415  Fritillaria atropurpurea Rimo Bacigalupi 1927-7-2 1597 Sierra Near Yuba Pass 1950 Comment
  CAS-BOT-BC504417  Fritillaria atropurpurea Eugene Carter 1975-6-26 1001 Sierra Grizzly Creek, North Fork Trinity River 1767 Comment
  SEINET8478888  Fritillaria micrantha W. Harnach, N. Harnach 1989-4-30 048 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch. 1498 Comment
  CAS-BOT-BC506155  Fritillaria micrantha W. Harnach; N. Harnach 1989-4-30 048 Sierra Sierra Valley, Calpine Ranch 1498 Comment
  CAS-BOT-BC508131  Fritillaria recurva Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  HSC96965  Galium aparine L. Ahart 2006-6-21 12826 Sierra N side of the road, 2 mi. W of the forest 1330 Comment
  SEINET11298743  Galium aparine W. Harnach, N. Harnach 1991-6-1 541 Sierra Sierra Valley, Sierraville, W end of Willow St., Maddallena Ranch 1524 Comment
  RSA21683  Galium bolanderi Carl B. Wolf 1937-8-6 9043 Sierra Northern Sierra Nevada, No. fork of Yuba River, 2.5 mi. above Downieville. 976 Comment
  JEPS102820  Galium trifidum var. pusillum Lowell Ahart 2001-8-10 9091 Sierra About 100 feet SE of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  CAS-BOT-BC182244  Garrya fremontii Rimo Bacigalupi 1927-7-2 1614 Sierra along north fork of Yuba River halfway between Downieville and Sierra City Comment
  JEPS114618  Garrya fremontii Lowell Ahart 2008-6-4 14808 Sierra On the north side of Forest Road 98, about 2 miles (air) northeast of Harris Meadow, about 9 1/2 miles (air) northeast of Alleghany 1906 Comment
  SBBG59829  Garrya fremontii J. G. Lemmon -Jun-1879 Sierra Sierra Valley Comment
  UCR131630  Garrya fremontii Beecher Crampton 1954-5-11 1896 Sierra Tahoe National Forest, 2 miles [north]east of Sierra City on Hwy 49 1341 Comment
  JEPS124860 Image available Garrya fremontii Laurel Loeblich 1964-6-26 45 Sierra Collected at Lower Sardine Lake on north shore along dirt road. slight south facing slope. Comment
  JEPS124862 Image available Garrya fremontii M. L. Wheelis 1964-6-25 99 a Sierra East side of Sand Pond. Comment
  JEPS66598  Gaultheria ovatifolia C. B. Bradley July 1920 Sierra Scales Diggings near Poverty Flat ([Poverty Hill = nw corner of county]); Scales Diggings Comment
  CAS-BOT-BC478515  Gayophytum W. Harnach; N. Harnach 1990-7-31 497 Sierra Sierra Valley 1508 Comment
  SEINET10453255  Gayophytum Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4492 Sierra Near a dirt road that is ca. 2 mi se of Jackson Meadow Reservoir, ca. 1 mi s of Pass Creek, near Jackson Meadow Reservoir. Red Fir Forest; 2200 m. 2200 Comment
  SJSU12200  Gayophytum diffusum N. A. Hopkins 1983-7-9 1157 Sierra c. 1 mi SW of Calpine, Sierra Valley 1524 Comment
  JEPS87375  Gayophytum diffusum subsp. parviflorum Lowell Ahart 1993-9-24 7256 Sierra n side Mount Fillmore (about 0.75 mi s of the dirt road from Gibsonville to Johnsville, w of poor dirt road that ends at a stream, slope on e side of stream) 2133 Comment
  RSA144906  Gayophytum diffusum subsp. parviflorum E. G. Linsley 1959-7-2 59 -155 Sierra Webber Lake Comment
  JEPS117253  Gayophytum heterozygum Lowell Ahart 2010-9-15 17163 Sierra Open areas around trees, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  UC66113  Gayophytum heterozygum P. B. Kennedy 1901-7-20 200 Sierra Lincoln Valley Comment
  JEPS31385  Gentiana newberryi W. L. Jepson 1918-8-18 8059 Sierra Lake Independence 2011 Comment
  SEINET8586373  Gentiana newberryi W. Harnach, N. Harnach 1990-8-17 516 Sierra Sierra Valley. 1.5 miles S of Sattley, Strang Ranch (Elvers back-80). 1524 Comment
  CHSC59544  Gentianopsis simplex Lowell Ahart 1992-8-6 6915 Sierra North of Black Jack Ravine, about 1 mile south of Granite Mountain, about 1/2 mile west of Harris Meadow. 1676 Comment
  HSC93247  Gentianopsis simplex Vernon H. Oswald, L. Ahart 1996-8-19 8219 Sierra Northern High Sierra Nevada, Yuba Pass-Weber Lake Rd. (Forest Rte. 12), 1.5 mi. S of the road to Haypress Valley 2195 Comment
  SDSU7159  Gentianopsis simplex D. F. Howe 1959-8-2 2779 Sierra 1 mile west of Yuba Pass. 1829 Comment
  UCR53718  Gilia capitata B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 0872 Sierra Sierra Nevada Mtns, above Ramshorn Campground on Hwy 49, c. 15 miles NE of Comptonville and c. 5 mi. west of Downieville 823 Comment
  JEPS124896 Image available Gilia capitata M. Wheelis 1964-6-25 87 Sierra 4 mi W of Downieville. Highway 49. Comment
  CHSC45446  Gilia capitata subsp. mediomontana Lowell Ahart 1973-5-25 235 Sierra Along the Foote Road, south of Alleghany. 1219 Comment
  RSA718383  Gilia capitata subsp. mediomontana L. Ahart 2006-6-21 12821 Sierra on the south side of the Foote Road, about 1.3 miles (by road) southwest of Alleghany. 1306 Comment
  UCR249164  Gilia capitata subsp. mediomontana George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20797 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  SJSU11645  Gilia capitata subsp. pedemontana M. R. Kempf 1965-6-29 225 Sierra Hwy 49, 2 mi E of Downieville 822 Comment
  JEPS84964  Gilia leptalea subsp. leptalea Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7215 Sierra ca 12 air mi n Truckee (head of Little Truckee River, ca 1.5 mi e of Hwy 89 on Tahoe National Forest Rd S450, n end of Kyburz Flat); Kyburz Flat, Little Truckee River 1920 Comment
  CHSC78241  Githopsis specularioides Lowell Ahart 2000-6-15 8475 Sierra About 200 feet west and below Mountain House Road, about 1 1/8 miles south of the intersection of Mountain House Road and Henness Pass Road, about 1 mile (air) northwest of Forest, about 2 miles (air) northwest of Alleghany. 1463 Comment
  SEINET10464550  Githopsis specularioides John G. Lemmon 1875-1 Lemmon 178 Sierra Comment
  CAS-BOT-BC280557  Glyceria elata Lowell Ahart 1980-9-9 2597 Sierra Between the outlet of Webber Lake and Little Truckee River 2200 Comment
  UCD66842  Glyceria elata A. A. Beetle 1944-8-17 3053 Sierra 5 miles northeast of Sierraville, above north fork of Yuba River. Comment
  UCD66742  Glyceria leptostachya Freed W. Hoffman 1946-6-12 922 Sierra Between Mohawk and Calpine. Comment
  HSC47930  Glyceria nubigena Michael A. Watkins 1978-9-20 132 Sierra Foothills of the Sierra Nevada Mtns., 10 mi. NW of Johnsville on property of the Cowell Mine Comment
  CAS-BOT-BC303828  Gnaphalium W. R. Dudley 1894-8-1 s.n. Sierra Near Webber Lake Comment
  CAS-BOT-BC302661  Gnaphalium palustre Lewis S. Rose 1934-7-4 34318 Sierra Gold Lake 1950 Comment
  SEINET8770731 Image available Gnaphalium palustre H. L. Mason 1952-1 14451 Sierra 1.5 miles east of Calpine at junction of Calpine with Sierraville-Beckwourth road. Sierra Valley 1524 Comment
  SEINET8770735 Image available Gnaphalium palustre W. Harnach, N. Harnach 2000-6-17 921 Sierra Sierra Valley; approx. 1 mile north of Sattley, CA on A-23 1497 Comment
  CHSC81408  Gratiola ebracteata Lowell Ahart 2001-9-28 9296 Sierra Around the drying ponds on the bottom of the Poverty Hill Hydraulic gold mine, north of Poverty Hill (town), about 4 miles (air) south of La Porte. 1524 Comment
  SEINET13710439  Gratiola ebracteata Lowell William Ahart, Lowell William Ahart 2001-1 9296 Sierra Poverty Hill Hydraulic Gold Mine, 4 Air Mi. S of La Porte (T21N, R9E, sec 32, SW 1/4) 5000 Ft. 1524 Comment
  SJSU12276  Grindelia nana N. A. Hopkins 1984-8-31 Sierra c. 1 mi S of Calpine 1524 Comment
  SEINET8770820 Image available Grindelia squarrosa I. LaRivers 1969-7-25 s.n. Sierra Verdi Comment
  CAS-BOT-BC304685  Grindelia squarrosa W. Harnach; N. Harnach 1990-9-24 530 Sierra Sierra Valley. Parlentti Ranch (100 yds so. of gate) 1505 Comment
  SEINET8770850 Image available Grindelia squarrosa var. serrulata W. Harnach, N. Harnach 1990-9-24 530 Sierra Sierra Valley. (Sattley, CA added by collector) Parlentti Ranch, 100 yards south of gate. 1506 Comment
  SJSU5208  Hackelia micrantha N. A. Hopkins 1968-6-30 142 Sierra 0.25 mi N of Packer L 1859 Comment
  CAS-BOT-BC508220  Hastingsia alba Charlotte Pyle 1978-7-26 s. n. Sierra Darlingtonia site' Comment
  UC367064  Hastingsia alba unknown July, 1874 Sierra in meadows Sierra Valley; Sierra Valley, Sierra Co. Comment
  SJSU12270  Hazardia whitneyi N. A. Hopkins 1984-8-4 1228 Sierra c. 1.5 mi SW of Calpine 1524 Comment
  SJSU14471  Hazardia whitneyi N. A. Hopkins 1990-8-25 1633 Sierra c. 1.5 mi SW of Calpine 1524 Comment
  CHSC52385  Hazardia whitneyi var. whitneyi L. P. Janeway 1989-8-24 3633 Sierra Plumas National Forest. Along SE side of McNair Mdw; ca 1 mi W of Calpine L.O. 1630 Comment
  CHSC73408  Hazardia whitneyi var. whitneyi B. Castro; L. Gehrung, H. Durio 1995-9-14 616 Sierra Ca 0.7 air mi SW of the top of Mt. Fillmore, and ca 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. At W edge of midslope terrace of mtn, on vertical face of cliff. 1962 Comment
  UCD21014  Helenium bigelovii E. Bortiri 2002-7-4 WFC 62 Sierra Gold Valley, near Sierra Buttes and Packer Lake, Sierra Co. Comment
  SEINET11196748 Image available Helianthella californica S. B. Doten 1901-7-12 164 Sierra Webber Lake Comment
  SEINET11196755 Image available Helianthella californica S. B. Doten 1901-7-2 84 Sierra Webber Lake Comment
  CHSC53235  Helianthella californica var. nevadensis L. P. Janeway 1989-8-16 3597 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. 2133 Comment
  CAS-BOT-BC314814  Helianthella californica var. nevadensis P. B. Kennedy; S. B. Doten 1901-1-8 130 Sierra Webber Lake Comment
  POM203464  Helianthella californica var. nevadensis L. S. Rose 1934-7-15 34366 Sierra Gold Lake 1951 Comment
  RSA21703  Helianthella californica var. nevadensis C. B. Wolf 1937-8-6 9063 Sierra Northern Sierra Nevada, 1/2 mile NE of Gold Lake 1921 Comment
  CAS-BOT-BC305367  Helianthus annuus W. Harnach; N. Harnach 1991-7-24 656 Sierra Sierra Valley. Lemon Canyon road, approx 1 1/2 miles east of Hwy 49 1524 Comment
  CAS-BOT-BC305560  Helianthus bolanderi W. R. Dudley 1909-8-29 s.n. Sierra Sierra Valley Comment
  CHSC44882  Hemizonella minima Lowell Ahart 1977-6-18 1429 Sierra Near Scales, about 1 1/2 miles north-east of Scales. 1280 Comment
  UCSB27067  Heracleum maximum Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of california State Highway 49, along road to graeagle, Sierra Buttes Sierra Nevada 1981 Comment
  CHSC67473  Hesperolinon micranthum James D. Jokerst 1986-6-19 2658 Sierra Turner property, S end of Sierra Valley, Stringer Meadow along intermittent creek ca. 200 m E of Hwy. 89. 1493 Comment
  SEINET10460692  Heterocodon rariflorum Alice Eastwood Eastwood 541 Sierra NEVADA CITY Comment
  UCD72560  Heterocodon rariflorum H. Spangler 1995-8-2 114 Sierra Kyburz Flat, south end of marsh. Comment
  CAS-BOT-BC310924  Heterotheca villosa Lowell Ahart 1982-7-28 3702 Sierra About 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  JEPS117920  Heterotheca villosa var. minor L. P. Janeway 2008-9-8 9578 Sierra Plumas National Forest Northen High Sierra Nevada (about half way down the southeast side of Port Wine Ridge to Canyon Creek; 3.1 air km southwest od Table Rock.) 1603 Comment
  JEPS125828  Heuchera micrantha William Harnach 2013-5-1 1337 Sierra Goodyears Bar. 1.14 miles South of Highway 49 on Mountain House Road. Comment
  JEPS87611  Heuchera micrantha Lowell Ahart 1994-7-1 7430 Sierra about 1 1/2 mi ne Middlewaters (e of Keystone Mountain, n side of Henness Pass Road at Keystone Gap, about 11 mi (air) ne of Alleghany); ne of Middlewaters, e of Keystone Mountain, Keystone Gap 1889 Comment
  RSA0036007  Heuchera micrantha George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-5 20753 Sierra Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  UCR230983  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2011-6-9 17544 Sierra Northern Sierra Nevada Mountains Foothills, 5.9 miles north of Camptonville along CA-49, about 1.2 miles northeast of the Yuba Co. line 899 Comment
  CHSC45967  Heuchera micrantha var. erubescens Lowell Ahart 1977-8-2 1526 Sierra Growing on large rocks on an open ridge on the west side of Mount Fillmore, near the summit, about 12 miles north-east of La Porte. 2316 Comment
  RSA0062984  Heuchera micrantha var. erubescens George K. Helmkamp, E. A. Helmkamp 2009-5-28 14857 Sierra Along CA-49, 1.8 miles north of the Yuba County line. 884 Comment
  SEINET12216911  Heuchera micrantha var. erubescens F. H. Utech 1986-1 86 -075 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  CHSC66783  Hieracium albiflorum Vernon H. Oswald; Lowell Ahart 1996-8-19 8217 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.5 mi S of the road to Haypress Valley. Between the road and the meadow below the road. 2194 Comment
  HSC93428  Hieracium albiflorum Vernon H. Oswald, L. Ahart 1996-8-19 8217 Sierra Northern High Sierra Nevada, Yuba Pass-Weber Lake Rd. (Forest Rte. 12), 1.5 mi. S of the road to Haypress Valley 2195 Comment
  JEPS36662  Hieracium albiflorum W. L. Jepson 1944-8-3 16833 Sierra 2 mi e Bassett road station (Pioneer road station); North Fork Yuba River 1706 Comment
  RSA286284  Hieracium albiflorum R. F. Thorne 1974-7-30 45026 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes area. 2058 Comment
  SJSU12206  Hieracium albiflorum N. A. Hopkins 1984-8-17 1235 Sierra near Coburn L, 3.5 mi SSE pf summit of Yuba Pass 2286 Comment
  SEINET10474728  Hieracium cynoglossoides Lowell Ahart 1991-7-22 Ahart 6672 Sierra On the west side of a dirt road, near a small hydrolic mine, near Burlington, about 1 mile northeast of Harris Meadow, about 1 1/4 miles northeast of Granite Mountain. Red Fir Forest. T19N R11E NW/S11. 1829 Comment
  UC1586485  Hieracium greenei Lowell Ahart 1991-7-22 6672 Sierra about 1.25 mi ne Granite Mountain (about 1 mi n of Harris Meadow, near Burlington) 1828 Comment
  UCR12045  Hippuris vulgaris Coleta A. Lawler 1968-7-2 166 Sierra Sierra Nevada Mtns., 3.9 mi NW of Sierraville. Right turn on Sattley-Beckworth [Westside] Rd, 1.1 mi NE from Hwy 49 intersection 1509 Comment
  SEINET11915821  Holodiscus dumosus J. G. Lemmon 1874-1 59 Sierra No locality Comment
  CHSC43462  Holodiscus microphyllus var. glabrescens Lowell Ahart 1976-7-30 1181 Sierra On the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1981 Comment
  CAS-BOT-BC388565  Holosteum umbellatum W. Harnach; N. Harnach 1991-7-4 608 Sierra Sierra Valley. Martinetti Ranch (the fenced bog hole) 1512 Comment
  NY11992  Homalobus plummerae J. G. Lemmon 1875-1 622 Sierra Comment
  SEINET4585592  Hordeum brachyantherum W. Harnach, N. Harnach 1994-6-29 791 Sierra Sierra Valley, Carmen Valley (Knutson Meadows) road near SFSU and USFS bird banding site (old sheep bedding area), NW of Calpine 1521 Comment
  UCD85481  Hordeum brachyantherum subsp. brachyantherum Elizabeth Wilson 1939-7-12 s.n. Sierra Above Gold Lake. Comment
  UC1132505  Hordeum jubatum G. T. Nordstrom 1936-7-23 961 Sierra 2 mi sw Purdy; Sierraville Quad. Comment
  CAS-BOT-BC285076  Hordeum marinum subsp. gussoneanum Lowell Ahart 1977-5-31 s.n. Sierra 6 miles west of Alleghany 1500 Comment
  SEINET13709301  Horkelia fusca subsp. parviflora Lowell William Ahart, Lowell William Ahart 2001-1 9100 Sierra Diversion Dam across Little Truckee River Near Fiberboard Rd., 5 Mi. E of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft 1920 Comment
  CAS-BOT-BC536182  Horkelia fusca var. parviflora James Jokerst 1985-7-22 2524 Sierra Near Carman Creek 901 Comment
  NY436041  Horkelia sericoleuca J. G. Lemmon 1874-1 s.n. Sierra Comment
  SEINET5327373  Hosackia crassifolia var. crassifolia W. Harnach, N. Harnach 1993-6-26 728 Sierra Sierra Valley; Doe Canyon, approx. 3 mi SE of Loyalton in Sierra Brooks 1622 Comment
  UC1583965  Hydrophyllum capitatum var. alpinum G. Schoolcraft 1990-5-8 2016 Sierra near Calpine (w edge of Sierra Valley); Sierra Valley 1524 Comment
  CHSC40033  Hydrophyllum occidentale L. Constance 1938-6-9 2305 Sierra East side of Yuba Pass, 2.4 miles northwest of Sattley. 1524 Comment
  SJSU11981  Hydrophyllum occidentale N. A. Hopkins 1969-7-12 276 Sierra 0.25 mi ENE of Packer L 1828 Comment
  SEINET5518746  Hydrophyllum occidentale var. watsonii W. Harnach, N. Harnach 1990-6-30 431 Sierra Sierra Valley, Yuba Pass 2042 Comment
  SEINET5518778  Hydrophyllum occidentale var. watsonii P. B. Kennedy, S. B. Doten 1901-7-12 167 Sierra Webber Lake Comment
  CHSC44000  Hypericum anagalloides L. P. Janeway 1984-8-25 1068 Sierra Snag Lake. At base of lodgepole pines and among Vaccinium at lake edge. 2026 Comment
  UC1122118  Hypericum perforatum A. Lewis 1934-9-27 534 Sierra Sailor Ravine Tahoe Nat'l Forest, Downieville Quad., Sailor Ravine Comment
  JEPS124798 Image available Hypericum perforatum N. L. Rechen 1964-6-25 69 Sierra 3 miles East of Goodyear's Bar on Hi 49. Comment
  UCD110392  Hypericum perforatum subsp. perforatum P. B. Schultz 1967-6-30 27 Sierra 3 miles west of Downieville. 853 Comment
  CAS-BOT-BC401321  Hypericum scouleri W. R. Dudley 1909-8-27 s.n. Sierra Meadow west of Juniper Ridge, Sierra Valley Comment
  JEPS817  Ipomopsis aggregata Alma Wiegart Ames 1913-6-30 32 Sierra near Sierraville (Sierraville Ranger Station) Comment
  SBBG129872  Ipomopsis aggregata subsp. aggregata D. H. Wilken, E. L. Painter, M. Wetherwax 2015-8-5 18000 Sierra slope above upper Yuba River, near mouth of Lunch Crk, ca. 1 mi W of Yuba Pass 1973 Comment
  UCSB27066  Ipomopsis aggregata subsp. aggregata Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of california State Highway 49, along road to graeagle, Sierra Buttes Sierra Nevada 1981 Comment
  RSA8023  Ipomopsis congesta H. A. Barker 1927-7-6 779 Sierra Round Lake Ridge 2134 Comment
  CHSC57436  Ipomopsis congesta subsp. montana L. P. Janeway 1984-9-1 1109 Sierra Sierra crest, just above and east of Oakland Lake and Snake Lake. 2270 Comment
  CHSC45449  Ipomopsis congesta subsp. palmifrons Lowell Ahart 1981-6-23 2868 Sierra North of the road, there is a small red triangle shaped hill to the south of the road, south of Stafford Mountain, about 12 miles north-east of La Porte. 1828 Comment
  UCD40316  Iris hartwegii Rodney Gale Myatt 1971-7-3 790 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  CAS-BOT-BC133542  Iris hartwegii J. G. Lemmon s.n. Sierra unspecified Comment
  RSA135879  Iris hartwegii Lee W. Lenz, E. K. Balls 1956-6-20 21849 Sierra 0.5 mile east of Sierra-Yuba County line on State Highway 49 991 Comment
  CHSC11058  Iris missouriensis Lowell Ahart 1967-7-27 Sierra Webber Lake. 2133 Comment
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Sep 4 2010
  CAS-BOT-BC88644  Isatis tinctoria T. C. Fuller 1962-6-14 9014 Sierra North side of Highway 49 to Sierraville, 1.8 mile west of Loyalton. Comment
  UC1875013  Isoetes Ruth Kirkpatrick 2005-7-20 1363 Sierra In lower Sardine Lake, just u from Sand Pond. 1767 Comment
  CAS-BOT-BC69968  Isoetes bolanderi Lewis S. Rose 1934-7-21 34400 Sierra Gold Lake. Comment
  CDA9336  Isoetes bolanderi D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .3 Sierra Sardine Lake Comment
  RSA252420  Isoetes bolanderi R. F. Thorne, C. W. Tilforth 1969-9-6 39219 Sierra Gold Lake. 1951 Comment
  SEINET10842255  Isoetes bolanderi Cyrus G. Pringle 1882-1 Sierra Comment
  CHSC24424  Isoetes howellii Lowell Ahart 1976-10-1 Sierra Along Bunker Hill Ridge, 1 1/4 mi nw of Mt. Etna. 1828 Comment
  CHSC69407  Isoetes howellii Lowell Ahart 1997-8-28 7874 Sierra West of the Pacific Crest Trail and Bunker Hill Ridge, about one mile west of the Bunker Hill Mine, about one mile southeast of Pilot Peak. 1828 Comment
  UC1561683  Isoetes nuttallii Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7221 Sierra ca. 12 airmiles n. Truckee (head of Little Truckee R., ca. 1.5 mi. e. of Hwy. 89 on Tahoe Nat'l Forest Rd. S450, Kyburz Flat, upper end of flat n. of rd.); Tahoe Nat'l Forest, Little Truckee R., Kyburz Flat 1920 Comment
  CAS-BOT-BC137409  Ivesia aperta James R. Shevock 1985-7-6 11314 Sierra Sierra Valley. Along Californica highway 49 just south of Rice Hill, 4.3 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  RSA789653  Ivesia aperta James R. Shevock 1985-7-6 11314 Sierra Sierra Valley. Along California Hwy 49 just south of Rice Hill, 4.3 mi NE of hwy junctions 49 and 89 at Sierraville. 1650 Comment
  CAS-BOT-BC137414  Ivesia aperta W. Harnach; N. Harnach 1989-7-30 236 Sierra Sierra Valley. Intersection of Hwy 49 and Fillipini Rd. on the south side of Hwy. 1497 Comment
  CHSC91808  Ivesia aperta var. aperta G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16298 Sierra Northern Sierra Nevada. Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. 1645 Comment
  JEPS99011  Ivesia aperta var. aperta Carol W. Witham 1993-7-15 502 Sierra Antelope Valley; W of Antelope Valley Road, 3.2 road mi S of junction with Highway 49. 1584 Comment
  UC1560864  Ivesia aperta var. aperta W. and N. Harnach 1989-7-30 234 Sierra approx 1.1 mi w Loyalton (on n side of Hwy 49); Sierra Valley 1508 Comment
  UC114505  Ivesia aperta var. aperta J. G. Lemmon 1875-1 96 Sierra Comment
  HSC90047  Ivesia aperta var. canina J. R. Shevock, Barbara Ertter 1986-6-1 11532 Sierra Near FS Guard Station at Dog Valley, Toiyabe National Forest, NW of Verdi, NV 1700 Comment
  RSA788087  Ivesia aperta var. canina James R. Shevock, Barbara Ertter 1986-6-1 11528 Sierra Toiyabe National Forest. Dog Valley, 6.1 miles west of Verdi and less than 1.5 mile from the Forest Service Guard Station. 1800 Comment
  RSA0005623  Ivesia aperta var. canina James R. Shevock, Barbara Ertter 1986-6-1 11532 Sierra Near the USFS Guard Station at Dog Valley, Toiyabe National Forest. NE1/4 NW of Verdi, Nevada. 1700 Comment
  CAS-BOT-BC142352  Ivesia sericoleuca David D. Keck 1944-7-8 5413 Sierra Sierra Valley 1.5 mi. n. of Sattley, on Feather River Road - Sierra Nevada 1524 Comment
  CAS-BOT-BC142353  Ivesia sericoleuca David D. Keck 1944-7-8 5413 Sierra Sierra Valley 1.5 mi. n. of Sattley, on Feather River Road - Sierra Nevada 1524 Comment
  CAS-BOT-BC205204  Ivesia sericoleuca James R. Shevock; Barbara Ertter 1986-7-20 1173 Sierra Northern Sierra Nevada. Sierra Valley. Along California highway 89, about 1 mile west of Sierraville 1650 Comment
  RSA750485  Ivesia sericoleuca James R. Shevock 1987-6-27 11801 Sierra Tahoe National Forest. Along county road S450, SE side of Kyburz Flats. 1829 Comment
  UC1873651  Ivesia sericoleuca Kristin Berry, Ray Butler 1987-6-7 q Sierra outside of Sagehen Exclosure at Sagehen reservoir Comment
  UC585094  Ivesia sericoleuca E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1678 Sierra on road to Loyalton (e side of Sierra Valley); Sierra Valley 1615 Comment
  UC638726  Ivesia sericoleuca Ethel Crum 1937-8-5 1934 Sierra 1 mi ne Sierraville; Sierra Valley Comment
  RSA788085  Ivesia webberi James R. Shevock, Barbara Ertter 1986-6-1 11531 Sierra Toiyabe National Forest. Dog Valley, 6.8 miles west of Verdi adjacent to the Forest Service Guard Station. 1800 Comment
  RSA788486  Ivesia webberi James R. Shevock, Barbara Ertter 1986-6-1 11531 Sierra Toiyabe National Forest. Dog Valley, 6.8 miles west of Verdi adjacent to the Forest Service Guard Station. 1800 Comment
  UCD113632  Ivesia webberi C. Witham 1991-6-12 193 Sierra South end of Upper Long Valley; 0.4 road miles on Road 002 west of the USFS boundary sign; population is 0.25 m N of road. 1722 Comment
  SEINET11911566  Ivesia webberi J. G. Lemmon 1874-1 Sierra Comment
  SEINET5334879  Ivesia webberi C. York 1962-1 Sierra Comment
  JEPS118365  Juncus Lowell Ahart 2011-9-23 17717 Sierra Along a small wash, on the north side of the dirt road in French Meadow, about 100 yards south of Hennas Pass Road, north part of French Meadow, about 3 miles (air) northwest of Webber Lake 2040 Comment
  CHSC81421  Juncus acuminatus Lowell Ahart 2001-9-28 9299 Sierra Around the drying ponds on the bottom of the Poverty Hill Hydraulic gold mine, north of Poverty Hill (town), about 4 miles (air) south of La Porte. 1524 Comment
  CHSC61891  Juncus bufonius var. bufonius Lowell Ahart 1993-9-10 7181 Sierra Meadow, near red rock outcrops, on the west side and near the end of a poor dirt road that leads to a camp and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  JEPS98307  Juncus bufonius var. bufonius Lowell Ahart 2000-10-8 8704 Sierra 8 air miles NE of La Porte (100 yds W of Pacific Crest Trail and Bunker Hill Ridge, 1 1/2 mi SE of Pilot Peak) 1920 Comment
  CHSC61892  Juncus bufonius var. occidentalis Lowell Ahart 1993-9-10 7182 Sierra In a small drying meadow, near red rock outcrops, on the west side and near the end of a poor dirt road that leads to a camp and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  JEPS98306  Juncus bufonius var. occidentalis Lowell Ahart 2000-10-8 8705 Sierra 8 air miles NE of La Porte (100 yds W of Pacific Crest Trail and Bunker Hill Ridge, 1 1/2 mi SE of Pilot Peak) 1920 Comment
  UCD84203  Juncus bufonius var. occidentalis Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  CHSC105544  Juncus chlorocephalus Lowell Ahart 2010-9-15 17190 -B Sierra Along the west sisde of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC105689  Juncus chlorocephalus Lowell Ahart 2010-9-15 17190 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  HSC100765  Juncus covillei Lowell Ahart 2010-9-15 17181 Sierra Along W side of a poor road, ~15 yd. N of the first pond and ~20 yd. NW of cabin, ~50 yd. SW of middle pond at spring, 2 3/4 (air) mi. N of Yuba Pass on Hwy. 49, 4 (air) mi. E of Haskell Peak. 2135 Comment
  UCR63633  Juncus covillei B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0944 Sierra Sierra Nevada Mtns., Plumas National Forest, Gold Lake, near the boat ramp 1960 Comment
  CHSC49614  Juncus ensifolius Vernon Oswald 1984-6-25 1314 Sierra La Porte-Quincy Rd., about 7 mi n-e of La Porte. On the edge of a meadow. 1737 Comment
  SJSU13866  Juncus ensifolius N. A. Hopkins 1984-9-4 1245 Sierra Coburn Lake near Berry Cr 6 mi S of Yuba Pass Comment
  CHSC47553  Juncus hemiendytus Lowell Ahart 1981-6-23 2877 Sierra Along the edge of Johnsville Road, near Mount Etna, about 11 miles northeast of La Porte. 1828 Comment
  UC1609024  Juncus hemiendytus var. hemiendytus Lowell Ahart 1993-9-10 7180 Sierra about 1 mi sw of dirt road from Gibsonville to Johnsville (on w side and near the end of a poor dirt road that leads to a camp and stream, on n side of Mount Fillmore); Mount Fillmore 2133 Comment
  JEPS125798  Juncus longistylis William Harnach 2000-7-4 937 Sierra Approximately 1/2 mile North of Coburn Lake at the end of access road. Comment
  SEINET11789725  Juncus longistylis J. G. Lemmon 1874-1 218 Sierra Sierra Co. & c., Comment
  CHSC60562  Juncus mertensianus L. P. Janeway 1984-8-18 1006 Sierra Meadow at second switchback down the road from Packers Saddle toward Packer Lake. 1965 Comment
  CHSC105545  Juncus nevadensis Lowell Ahart 2010-9-15 17178 Sierra Along the west sisde of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  JEPS107925  Juncus nevadensis Lowell Ahart 2005-8-30 12345 Sierra On the east side of Pass Creek, about 1/8 mile south of French Meadow, bout 2 1/2 miles west of Webber Lake 2032 Comment
  JEPS117671  Juncus nevadensis Lowell Ahart 2010-9-15 17189 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) e 2134 Comment
  SEINET11787802  Juncus nevadensis L. P. Janeway 1989-1 3609 Sierra SE of Chapman Saddle, ca 2.25 mi SE of Haskell Pk, Plumas NF, Beckwourth Ranger Dist. 2057 Comment
  RSA0035332  Juncus nevadensis var. nevadensis Lowell Ahart 2012-9-18 18453 Sierra Bottom of Poverty Hill Hydraulic Mine, about 2 miles (air) southwest of Poverty Hill, about 4 1/2 miles (air) south of La Porte. 1388 Comment
  RSA769209  Juncus nevadensis var. nevadensis L. Ahart 2010-9-15 17190 b Sierra About 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak 2135 Comment
  CHSC61687  Juncus orthophyllus Lowell Ahart 1993-9-10 7184 Sierra Near the edge of a small meadow, near red rock outcrops, on the west side of a poor dirt road that leads to a camp, water ditch (old mining ditch) and stream, on the north side of Mount Fillmore, about 1 mile southwest of the dirt road from Gibsonville to Johnsville. 2133 Comment
  JEPS103113  Juncus orthophyllus L. P. Janeway, B. Castro 2001-7-1 7254 Sierra Northern High Sierra Nevada. From springs on lower northwest flank of Table Rock 0.8 km southwest of Howland Flat, along Road 21N08 1768 Comment
  UC54237  Juncus orthophyllus H. M. Hall and E. B. Babcock Jul 1903 4489 Sierra Lower Sardine Lake Sierra Nevada Mountains, Sierra Buttes 1828 Comment
  UCD141653  Juncus orthophyllus P. B. Kennedy 1929-7-20 s.n. Sierra Salmon Lakes. Comment
  CHSC52964  Juncus parryi L. P. Janeway 1989-8-10 3576 Sierra Plumas National Forest. NE'ern slopes between Haskell Pk and Hwy 89/Sulphur Cr. 2225 Comment
  CHSC73510  Juncus parryi B. Castro; L. Gehrung, H. Durio 1995-9-14 656 Sierra Mt. Fillmore Mdws: Mdw A. Ca 0.6 air mi SW of the top of Mt. Fillmore, and ca 0.5 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. Series of 4 meadows on NW-facing midslope terrace of mtn. In westernmost 100-ft diam. meadow. 2087 Comment
  UC1600456  Juncus parryi unknown Aug 1874 Sierra Webber Lake Comment
  CHSC60623  Juncus saximontanus L. P. Janeway 1984-8-18 1023 Sierra Second meadow southeast of the second switchback down the road from Packers Saddle toward Packer Lake. Along small creek. 1981 Comment
  CAS-BOT-BC81077  Juniperus communis Arthur L. Menzies 1961-7-29 s.n. Sierra 1/4 mi. north of Hawley Lake, Tahoe Nat'l Forest 2133 Comment
  UCD133841  Juniperus communis var. saxatilis Arthur L. Menzies 1961-7-29 s.n. Sierra 1/4 mile north of Hawley Lake, Tahoe National Forest. 1981 Comment
  SJSU8079  Juniperus grandis P. L. Billings 1965-6-24 Sierra near Hwy 89, l mi N of its bridge crossing Little Truckee River 1767 Comment
  CAS-BOT-BC85308  Juniperus occidentalis Lowell Ahart 1966-9-24 64 Sierra 2 miles S and 2 mies W of Webber Lake 2438 Comment
  CAS-BOT-BC85311  Juniperus occidentalis W. R. Dudley 1909-8-1 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC85312  Juniperus occidentalis Albert H Barker 1926-7-25 150 Sierra Gold Lake near outlet 1958 Comment
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Oct 7 2018
  CAS-BOT-BC85315  Juniperus occidentalis John Thomas Howell; Gordon H. True 1970-7-13 5461 Sierra Eagle Lakes Rd at Fordyce Creek Trail ca. 2 mi. north of Indian Springs Campground 1661 Comment
  UC333740  Juniperus occidentalis unknown Sierra Sierra Valley Comment
  UC566094  Juniperus occidentalis A. Lewis 1934-11-7 547 Sierra 4 1/2 mi n Sierraville; Sierraville Quadrangle 1493 Comment
  NY19871  Juniperus occidentalis J. G. Lemmon 1874-1 s.n. Sierra 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
  SEINET5334976  Juniperus occidentalis W. D. Billings 1949-8-21 1748 Sierra on hillsides 2 miles northeast of Sierraville Comment
  RSA748574  Juniperus occidentalis var. australis K. M. Meyer, A. Townesmith 2007-7-15 116 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  UCD133950  Juniperus occidentalis var. australis K. M. Meyer; A. Townesmith 2007-7-15 116 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  CDA41421  Keckiella breviflora subsp. breviflora T. C. Fuller 1962-6-14 9020 a Sierra North side of Highway 49 to Downieville, 3.7 miles west of Sierra City. 0 Comment
  NY786810  Keckiella breviflora var. breviflora R. G. Olmstead 1983-7-1 408 Sierra On rocky road cut along Highway 49 ca. 3 miles southwest of Downieville along North Fork Yuba River. 856.5 Comment
  NY790345  Keckiella lemmonii D. C. Michener 1980-8-5 3789 Sierra Northern Sierra Nevada. On rocky slopes above Salmon Creek, south of Graeagle. 1798.3 Comment
  SD61006  Keckiella lemmonii Darley F. Howe 1964-7-28 3877 Sierra 1 mi. E of Sierra City on No. Fork of Yuba River, Tahoe National Forest 1372 Comment
  POM68594  Kelloggia galioides J. G. Lemmon 1878-09 s.n. Sierra Webber Lake. Comment
  UC367177  Kelloggia galioides J. G. Lemmon and wife Jul 1881 Sierra Webber Lake Comment
  UC854332  Kumlienia hystricula Alice Eastwood 1918-4-6 6791 Sierra Downieville Comment
  CHSC59507  Kyhosia bolanderi Lowell Ahart 1992-8-6 6916 Sierra Near seeps and bogs, north of Black Jack Ravine, about 1 mile south of Granite Mountain, about 1/2 mile west of Harris Meadow. 1676 Comment
  UCD135681  Kyhosia bolanderi Bruce G. Baldwin 1985-8-25 505 Sierra immediately east of entrance to Tahoe National Forest campground at Yuba Pass, California State Highway 49. 2042 Comment
  UCD135682  Kyhosia bolanderi Bruce G. Baldwin 1985-8-25 506 Sierra immediately north of Yuba Pass, California State Highway 49. 2057 Comment
  SEINET13386966 Image available Lactuca serriola George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-1 19510 Sierra Northern Sierra Nevada Mountains: Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1769 Comment
  CAS-BOT-BC340517  Lactuca serriola W. Harnach; N. Harnach 1989-8-7 239 Sierra Sierra Valley. Calpine Ranch (home) 1508 Comment
  SEINET11446758 Image available Lagophylla ramosissima W. Harnach, N. Harnach 1990-8-2 501 Sierra Sierra Valley. Approx 1 mile S of the intersection of Calpine Rd. & Co. Rd. A-23 on A-23. Near gate to Fisher field. 1498 Comment
  SEINET7949754  Lamium amplexicaule W. Harnach, N. Harnach 1989-5-5 53 Sierra Sierra Valley, alongside of drainage ditch from Loyalton, Loyalton High School. 1524 Comment
  SEINET5327316  Lathyrus lanszwertii var. brownii A. D. Bruner 1962-5-9 s.n. Sierra SW Dog Valley 1829 Comment
  SEINET5327288  Lathyrus lanszwertii var. lanszwertii W. Harnach, N. Harnach 2000-5-24 901 Sierra Sierra Valley; 0.8 mi W of the intersection of the Bear Valley road and Smithneck Rock. 4 mi S of Loyalton 1615 Comment
  SEINET5327325  Lathyrus pauciflorus subsp. brownii W. Harnach, N. Harnach 1989-4-23 42 Sierra Sierra Valley; E slope Sattley Hill 1521 Comment
  JEPS125716  Layia glandulosa William Harnach 2014-4-29 1386 Sierra 1.2 miles North of Chilcoot on Frenchman road than 1.45 miles Ne of USFS road 24N88. Comment
  CAS-BOT-BC321061  Layia glandulosa Elmer I. Applegate 1935-6-2 9263 Sierra Lyons road near Juniper Butte, Lava Beds National Monument Comment
  UC1586486  Ledum glandulosum Lowell Ahart 1991-7-22 6671 Sierra about 1 mi ne of Harris Meadow (about 1 1/4 mi ne of Granite Mountain, near Burlington) 1828 Comment
  RSA286299  Ledum glandulosum var. californicum R. F. Thorne 1974-7-30 45036 Sierra Tahoe National Forest: Goose, Haven and Snag Lake areas. 2058 Comment
  CAS-BOT-BC534521  Lemna gibba Malcolm A. Nobs; S. Galen Smith 1949-8-20 1492 Sierra 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley Comment
  POM312462  Lemna minor Malcolm A. Nobs, S. Galen Smith 1949-8-20 1495 Sierra About 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley Comment
  JEPS125713  Lemna minuta William Harnach 2015-10-13 1462 Sierra Approximately 4.0 miles West of Loyalton, South of the intersection of Fillippini Road and Highway 49. Comment
  UC1101278  Lemna turionifera Malcolm A. Nobs, S. Galen Smith 1949-8-21 1522 Sierra ierra Valley, Island School Sierra Valley; , Island School Comment
  SEINET8655872  Lemna valdiviana W. Harnach 2015-10-6 1453 Sierra 0.5 miles east of Hwy 49 at the intersection of Lemmon Canyon Rd. & Campbell Hot Spring Rd, east of Sierraville. 1509 Comment
  SJSU13955  Lemna valdiviana N. A. Hopkins 1985-7-3 1290 Sierra by rd between Sierraville & Lemon Valley, Sierra Valley 1767 Comment
  CAS-BOT-BC88854  Lepidium campestre W. Harnach; N. Harnach 1989-5-5 054 Sierra Sierra Valley. Loyalton High School. Along side of drainage ditch from Loyalton city well. 1524 Comment
  CDA9220  Lepidium campestre D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .315 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 Comment
  UCD115713  Lepidium latifolium A. Shapiro 1995-8-17 s.n. Sierra Hwy 49, ca. 1.3 rd mi N of Sierraville (Torri Ranch). 1516 Comment
  SJSU6453  Lepidium perfoliatum N. A. Hopkins 1971-6-14 383 Sierra 1 mi E of Sierraville, Sierra Valley 1524 Comment
  CAS-BOT-BC12995  Lepidium virginicum Catherine Best 1981-6-18 s.n. Sierra Sierra Nevada. Sardine Lake. Comment
  JEPS125768  Lepidium virginicum subsp. menziesii William Harnach 2014-6-8 1389 Sierra Townsite of Calpine, behind 208 Coates Ave. Comment
  SEINET8655751  Lepidium virginicum var. pubescens W. Harnach 2014-6-8 1389 Sierra Townsite of Calpine, behind 208 Coates Ave. 1524 Comment
  RSA8975  Leptochloa fusca subsp. uninervia H. A. Barker 1927-7-11 803 Sierra Gold Lake 1966 Comment
  CHSC67869  Leptosiphon ciliatus James D. Jokerst 1986-6-19 2645 Sierra Turner property, S end of Sierra Valley, E and adjacent to Hwy. 49 ca. 1 mi NW of junction with Hwy. 89. Knoll 5442. 1658 Comment
  SEINET14162215  Leptosiphon ciliatus F. H. Hillman 1893-7-1 s. n. Sierra Dog Valley Comment
  SJSU4989  Leptosiphon ciliatus N. A. Hopkins 1968-6-30 138 Sierra Packer L 1889 Comment
  SEINET14168177  Leptosiphon harknessii P. B. Kennedy, S. B. Doten 1901-7-8 114 Sierra East of Webber Lake Comment
  UC13676  Leucocrinum montanum Grace Nichols May 1894 Sierra Comment
  SEINET6168386  Leucophysalis nana W. Harnach, Nancy Harnach 1993-7-11 749 Sierra Sierra Valley. Ca 2-1/2 mile south of Yba Pass Campground on west side of road 2121 Comment
  CAS-BOT-BC58251  Leucothoe davisiae A. R. Kruckeberg 1954-8-2 3672 Sierra Along shores of Tamarack Lake 2 mi. e. of Sierra Buttes. Tahoe N.F. 2286 Comment
  CAS-BOT-BC58252  Leucothoe davisiae Lewis S. Rose 1934-7-12 34352 Sierra Gold Lake. 1950 Comment
  CAS-BOT-BC58255  Leucothoe davisiae Alice Eastwood 1918-4-7 6803 Sierra Above n. fork of Yuba River, along road. Comment
  CHSC599  Leucothoe davisiae V. Holt 1942-7-16 Sierra Bear Lake near Gold Lake. 1950 Comment
  JEPS48540  Leucothoe davisiae L. S. Smith 1927-8-12 2175 Sierra w Gold Lake (Gold Valley Range); , w of Gold Lake Comment
  RSA252455  Leucothoe davisiae R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-6 39206 Sierra Goose Lake, SE of Gold Lake. 1951 Comment
  UC105932  Leucothoe davisiae J. G. Lemmon 1874-1 22 Sierra near Webber and Gold Lakes ((also in Butterfly and American Valleys)) Comment
  CAS-BOT-BC233818  Lewisia cantelovii Virginia Storz 1961-7-1 s.n. Sierra Highway 49 Bridge over N Fork Yuba River, south side of river, Sierra Nevada Comment
  CAS-BOT-BC123021  Lewisia kelloggii subsp. hutchisonii Paul C. Hutchinson; R. C. Bacigalupi 1982-7-1 8105 Sierra Saddleback mountain; forestry road ca 9 mi N of Downieville, west of summit at junction with a side road to the NW 1828 Comment
  CHSC61796  Lewisia nevadensis Lowell Ahart 1993-9-10 7205 Sierra Meadow, about 1/4 mile south of where the poor dirt road ends at the stream, camp and water ditch, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2225 Comment
  JEPS43354  Lewisia nevadensis W. I. Follett 1937-6-18 Sierra Mohawk Creek Little Valley Comment
  UC54457  Lewisia nevadensis H. M. Hall and E. B. Babcock July, 1903 4505 Sierra near Gold Lake; Sierra Nevada Mountains 1950 Comment
  CAS-BOT-BC444106  Lewisia nevadensis Catherine Best 1981-6-18 s.n. Sierra Near Packers Lake Comment
  CAS-BOT-BC444108  Lewisia nevadensis D. E. Breedlove 1962-6-13 3482 Sierra Along State Highway 89, 9.3 miles north of Sierraville 1524 Comment
  RSA464469  Lewisia nevadensis Robert Gustafson 1985-6-14 3175 Sierra Hwy. 49, ca. 1/2 mile below Yuba Pass summit toward Sierra Valley. 2043 Comment
  RSA8053  Lewisia nevadensis H. A. Barker 1927-6-26 739 Sierra Gold Lake. 1951 Comment
  CAS-BOT-BC444500  Lewisia triphylla Anna Head 1921-7-6 s.n. Sierra Feather River Region, near Gold Lake Comment
  SJSU14227  Lewisia triphylla N. A. Hopkins 1989-7-15 1564 Sierra below Coburn L, Berry Cr drainage c. 5 mi S of Yuba Pass 2270 Comment
  CAS-BOT-BC272167  Leymus triticoides Alice Eastwood 1918-6-29 7866 Sierra Loyalton Comment
  SEINET11119457  Ligusticum apiifolium S. B. Doten 1901-7-1 s.n. Sierra N of Webber Lake. Comment
  CHSC43891  Ligusticum grayi L. P. Janeway 1984-8-25 1072 Sierra Snag Lake. 2026 Comment
  RSA286290  Ligusticum grayi R. F. Thorne 1974-7-30 45028 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2057 Comment
  UC1714634  Lilium columbianum C. F. Sonne 1889-5-1 Sierra Dog Valley Comment
  UCSB27060  Lilium kelleyanum Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of california State Highway 49, along road to graeagle, Sierra Buttes Sierra Nevada 1981 Comment
  CAS-BOT-BC509351  Lilium kelleyanum W. Harnach; N. Harnach 1989-6-24 169 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1517 Comment
  CAS-BOT-BC509355  Lilium kelleyanum Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC133038  Lilium washingtonianum subsp. washingtonianum Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  JEPS62042  Lilium washingtonianum subsp. washingtonianum A. U. Ames 1913-6-30 6 Sierra Sierraville Comment
  UCD84206  Limosella acaulis Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  UC306884  Linanthus pachyphyllus unknown 1918-7-28 Sierra Gold Creek Sierra Nevada 2438 Comment
  SJSU13896  Linanthus pungens N. A. Hopkins 1986-6-30 1344 Sierra bald ridge 2158 Comment
  SEINET14377043  Linanthus pungens P. B. Kennedy, S. B. Doten 1901-7-8 104 Sierra [Sierra Nevada] Webber Falls, face of cliff below Comment
  SEINET14406805  Linanthus pungens P. Lehenbauer 1937-6-8 66 Sierra 25 mi. w. of Reno, NV on Truckee R. at Iceland, s. side of river by falls 1676 Comment
  UCD15838  Linanthus pungens Dieter Wilken; Beth Painter 1998-6-25 s.n. Sierra NW side of Sierra Valley, hillside along CA 267, head of Feather River. Collected for Jepson Herbarium Polemoniaceae class held at SFSU Field Station at Yuba Pass, Sierra County, June 26-28, 1998 by Dieter Wilken, who provided locality information. Comment
  POM282437  Linanthus pungens subsp. pulchriflorus J. W. Morrison s.n. Sierra Loyalton, Sierra Nevada mountain range, Sierra Valley drainage 1524 Comment
  SEINET5344351  Linaria dalmatica W. Harnach, N. Harnach 2000-6-14 907 Sierra Approx 1 mile south of intersection of Smithneck Road & Hwy 49 in Loyalton. T21N R16E S18 SE of NW 1/4. 1524 Comment
  JEPS102481  Lindernia dubia var. anagallidea Lowell Ahart 2001-9-28 9300 Sierra Around the drying ponds on the bottom of the Poverty Hill Hydraulic gold mine, north of Poverty Hill (town), about 4 miles (air) south of La Porte. 1524 Comment
  NY39603  Linum micranthum J. G. Lemmon 1874-1 32 Sierra Comment
  UC117077  Listera convallarioides J. G. Lemmon 1875-1 256 Sierra Comment
  UC1135301  Lithocarpus densiflorus var. echinoides A. Lewis 1934-7-9 506 Sierra 2 mi n Poverty Hill; Plumas National Forest, Downieville Quad. 1371 Comment
  JEPS6902  Lithophragma glabrum Roland A. Dede 1950-6-24 2263 Sierra Yuba Pass Comment
  RSA789795  Lithophragma heterophyllum George K. Helmkamp, E. A. Helmkamp 2011-6-9 17552 Sierra Northern Sierra Nevada Mountains Foothills: 7.1 miles north of Camptonville along CA-49, about 2.5 miles north of the Yuba Co. line. 808 Comment
  SJSU9801  Lithospermum arvense C. W. Sharsmith 1982-5-29 8651 Sierra by Sierraville, Sierra Valley 1524 Comment
  SEINET8588799  Lomatium austiniae K. Genz 1979-5-23 9122 Sierra Turning south at forest boundary and Long Valley Road, travel Mitchell Canyon Road for 2.3 miles Comment
  SEINET8660882  Lomatium dissectum var. multifidum W. Harnach, N. Harnach 1989-4-23 041 Sierra Sierra Valley, East slope Sattley Hill 1521 Comment
  UC584310  Lomatium macrocarpum G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2133 Sierra ca. 3 1/2 mi. e. Loyalton 1600 Comment
  CAS-BOT-BC205794  Lomatium nevadense James R. Shevock 1985-5-19 11145 Sierra Northern Sierra Nevada. Sierra Valley. Along California highway 49 just south of Rice Hill, 4.3 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  RSA788489  Lomatium nudicaule J. R. Shevock, Barbara Ertter 1986-6-1 11525 Sierra Toiyabe National Forest. Dog Valley, 6.1 miles west of Verdi and less than 1.5 mile from the Forest Service Guard Station. 1800 Comment
  SEINET8756628  Lomatium nudicaule J. H. Robertson 1950-5-21 s.n. Sierra Dog Valley Comment
  JEPS107587  Lonicera conjugialis Lowell Ahart 2005-8-30 12355 Sierra On the south side of Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2064 Comment
  RSA252426  Lonicera conjugialis R. F. Thorne, C. W. Tilforth 1969-9-6 39214 Sierra Goose Lake, SE of Gold Lake. 1951 Comment
  RSA286301  Lonicera conjugialis R. F. Thorne 1974-7-30 45034 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2057 Comment
  UC1609358  Lonicera conjugialis Lowell Ahart 1993-9-10 7215 Sierra about 1 1/2 mi s of the dirt road from Gibsonville to Johnsville (w side of Mount Fillmore); Mount Fillmore 2286 Comment
  CAS-BOT-BC243916  Lonicera involucrata var. involucrata H. Albert Barker 1926-7-21 147 Sierra Gold Lake, ponds near Little Gold Lake 1953 Comment
  CAS-BOT-BC243918  Lonicera involucrata var. involucrata Lowell Ahart 1971-8-6 s.n. Sierra 2 miles west of Webber Lake 2286 Comment
  CAS-BOT-BC200966  Lotus W. Harnach; N. Harnach 1989-6-21 160 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  CDA27195  Lotus crassifolius D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .316 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 Comment
  SEINET10451994  Lotus nevadensis Lowell Ahart, Peter Ahart 1983-10-11 Ahart 4466 Sierra Along edge of dirt road to Ahart Sheep Camp, ca. 1 mi n of Milton Reservoir, 3 mi nw of Jackson Meadow Reservoir. Yellow Pine Forest; 1800 m. 1800 Comment
  UCR257815  Lotus purshianus var. purshianus George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19446 Sierra Northern Sierra Nevada Mountains, Henness Pass Road, 1.1 mile east of its junction with CA-89 at the north end of Kyburz Flat 1907 Comment
  UCD105843  Lupinus adsurgens P. B. Kennedy 1929-7-26 s.n. Sierra Salmon Lakes. Comment
  CAS-BOT-BC198371  Lupinus albifrons Leah D. McKee 1981-5-16 061 Sierra .5 miles east of Jct. w/road to Calpine, Jct. 89 & 49 Hwy. 1554 Comment
  UC54406  Lupinus apertus H. M. Hall and E. B. Babcock July, 1903 4508 Sierra Gold Lake; Sierra Nevada Mountains, Gold Lake 1950 Comment
  CHSC61790  Lupinus arbustus Lowell Ahart 1993-9-10 7193 Sierra Near the small stream, at the end of a poor dirt road where there is a camp and water ditch , on the n side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsonville. 2133 Comment
  CHSC73419  Lupinus arbustus B. Castro; L. Gehrung, H. Durio 1995-9-14 614 A Sierra Ca 0.7 air mi SW of the top of Mt. Fillmore, and ca 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. At W edge of NW-facing midslope terrace of mountain. 2042 Comment
  JEPS82088  Lupinus arbustus Paul C. Hutchison 1983-8-9 8446 Sierra about 3 air-miles NE of Saddleback Mountain ( Democrat Peak, just E of and below summit, crest and N slopes of crest) 1905 Comment
  SEINET5327875  Lupinus arbustus W. Harnach, N. Harnach 1989-5-9 64 Sierra Sierra Valley; Calpine Ranch (home) 1506 Comment
  UC865230  Lupinus arbustus Lewis S. Rose 1934-7-3 34311 Sierra Gold Lake Comment
  RSA7878  Lupinus arbustus subsp. silvicola H. A. Barker 1927-7-3 766 Sierra Grade between Gold Lake and Blairsden. 1677 Comment
  CDA27388  Lupinus argenteus var. heteranthus T. C. Fuller 1962-6-14 9016 Sierra North side of Highway 49 to Sierraville, 1.8 miles west of Loyalton. 0 Comment
  CHSC50832  Lupinus argenteus var. heteranthus Vernon Oswald; Lowell Ahart 1990-7-25 4392 Sierra Ca. 0.25 mi south of taverville Rd, ca. 1 mi west of Balls Ranch. 1935 Comment
  JEPS117437  Lupinus argenteus var. heteranthus Lowell Ahart 2010-9-15 17158 Sierra Open areas, around trees, about 20 yards southeast of the cabin, about 20 yards southeast of the upper pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  SEINET5327994  Lupinus argenteus var. meionanthus P. B. Kennedy, S. B. Doten 1901-8-10 148 Sierra [Sierra Nevada] Webber Lake Comment
  CAS-BOT-BC196686  Lupinus breweri var. breweri Lester Rowntree 1935-6-13 s.n. Sierra Near Calpine Comment
  CAS-BOT-BC196688  Lupinus breweri var. breweri James L. Reveal 1971-6-23 2474 Sierra Along California Highway 49, 4.7 miles east of Yuba Pass Summit, about 1 mile west of Sattley Comment
  CHSC83938  Lupinus breweri var. breweri James D. Jokerst 1986-6-19 2655 Sierra Turner property, S end of Sierra Valley, E and adjacent to Hwy. 49 ca. 1 mi NW of junction with Hwy. 89. Knoll 5442. 1658 Comment
  RSA32814  Lupinus breweri var. breweri A. A. Heller 1940-7-25 s.n. Sierra Junction of Horse Camp and Panther Meadow roads on Mt. Shasta. Comment
  CHSC66808  Lupinus breweri var. grandiflorus Vernon H. Oswald 1996-8-19 8218 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Road (Forest Rt. 12) 1.5 mi S of the road to Haypress Valley. 2194 Comment
  SEINET530756  Lupinus caudatus subsp. caudatus Paul Opler 2003-6-29 Sierra 1 mi E of Calpine Comment
  RSA488711  Lupinus confertus James L. Reveal 1971-6-23 2475 Sierra Along California Highway 49, about 5 miles west of Downieville along the North Fork of the Uuba River. Comment
  CHSC45916  Lupinus dalesiae Lowell Ahart 1981-6-23 2878 Sierra About 1/4 mi south of Whiskey Creek, about 9 air miles north-east of La Porte. 1645 Comment
  SEINET10490332  Lupinus grayi H. Dearing, M. Dearing 1939-5-8 Dearing 3305 Sierra Near downiesville. Comment
  SEINET10485452  Lupinus latifolius Duane Isely 1965-5-29 Isely 9653 A Sierra Common on steep rocky slopes above yuba river, state #49, 0.8 mi. E Downieville. Fls pink-lavender. Comment
  CHSC112121  Lupinus latifolius var. columbianus L. P. Janeway 2014-6-23 11398 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Grove Creek, just north of Pine Grove Cemetery, 1.3 air-km west-northweat of Howland Flat. 1646 Comment
  JEPS122450  Lupinus lepidus var. sellulus L. P. Janeway 2014-6-17 11387 Sierra Northern High Sierra Nevada. Plumas National Forest; on the old mining tailings of Poverty Hill, between Gold Run Creek and Slate Creek. Quad: American House 7.5'. Comment
  UCD35535  Lupinus lepidus var. sellulus Beecher Crampton 1957-7-24 4423 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  SEINET12165547  Lupinus nanus F. H. Utech 1986-1 86 -063 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  UC570354  Lupinus obtusilobus A. Lewis 1934-6-15 483 -D Sierra Mt. Fillmore Mount Fillmore; Plumas National Forest, Downieville Quad., Mt. Fillmore Comment
  UCR12071  Lupinus polyphyllus Coleta A. Lawler 1968-7-6 124 Sierra Sierra Nevada Mtns., Hwy 49, Yuba Pass Summit 2043 Comment
  RSA305919  Lupinus polyphyllus subsp. polyphyllus Fay A. MacFadden 1934-6-29 12786 Sierra Little Truckee River, 13 miles from Hobart Mills on old road to Reno Comment
  CHSC52438  Lupinus polyphyllus var. burkei L. P. Janeway 1989-8-16 3596 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. 2133 Comment
  SEINET8059867  Lupinus polyphyllus var. burkei P. B. Kennedy, S. B. Doten 1901-7-23 202 Sierra Lincoln Valley Comment
  JEPS118423  Luzula comosa var. comosa Lowell Ahart 2011-9-23 17714 Sierra Forest floor, about 100 yards north of Pass Creek, about 300 yards south of Henness Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Weber Lake 2016 Comment
  CHSC40669  Luzula divaricata J. D. Jokerst 1982-9-10 1671 Sierra On the trail to the summit of Sierra Buttes from Packer Lake. 2316 Comment
  CHSC66830  Luzula subcongesta Vernon H. Oswald; Lowell Ahart 1996-8-19 8196 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just S of the road to Lincoln Valley. Along the edge of a drainage. 2255 Comment
  HSC93207  Luzula subcongesta Vernon H. Oswald, L. Ahart 1996-8-19 8196 Sierra Yuba Pass-Weber Lake Rd. Just S of road to Lincoln Valley, northern High Sierra 2256 Comment
  JEPS125751  Luzula subcongesta William Harnach 2013-6-15 1371 Sierra Approximately 250 yards North of Highway 49 at Yuba Pass, east of dirt road. Comment
  UC1714337  Lycium halimifolium H. M. Hall and E. B. Babcock Jul 1903 4462 Sierra Beckwith; Sierra Nevada Mountains 1524 Comment
  CAS-BOT-BC342596  Madia W. Harnach; N. Harnach 1990-8-17 507 Sierra Sierra Valley. Strang Ranch (Elvers back 80) 1524 Comment
  CAS-BOT-BC342598  Madia W. Harnach; N. Harnach 1989-6-24 164 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1517 Comment
  SEINET11601332 Image available Madia elegans W. Harnach, N. Harnach 1990-9-3 527 Sierra Sierra Valley. Approx 1.5 miles S of The Calpine Rd./ A-23 intersection on A-23, Just south of the gate to the Fisher field. Comment
  SEINET11601333 Image available Madia elegans W. Harnach 1990-8-20 521 Sierra Sierra Valley, 160 Calpine Road, Calpine 1509 Comment
  UC1069856  Madia elegans E. Sawyer 1935-6-28 247 Sierra 5 mi nne Sattley; Sierraville Quad. 1493 Comment
  SJSU13991  Madia elegans N. A. Hopkins 1988-8-9 1455 Sierra Hwy 49 midway between Sattley & Sierraville, Sierra Valley 1506 Comment
  CHSC80927  Madia elegans subsp. elegans Lowell Ahart 2001-8-10 9098 Sierra About 10 feet north of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  RSA59465  Madia elegans subsp. elegans E. K. Balls 1950-9-16 15885 Sierra 1.1 mile west of Sierraville, Highway 89 1509 Comment
  SEINET13709300  Madia elegans subsp. elegans Lowell William Ahart, Lowell William Ahart 2001-1 9098 Sierra Diversion Dam across Little Truckee River Near Fiberboard Road (Fsr 18) 1/8 Mi. N of Henness Pass, 5 Air Mi. E of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft. 1920 Comment
  UCD167589  Madia exigua Chuck Hughes 2016-6-15 463 Sierra Along the west side of Plumbago Road, on the north side of Kanaka Creek. 1155 Comment
  UCR225255B  Madia exigua Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra Valley, Harvey Ranch, along Westside Road, c. 1 km north of the intersection of Westside Road and Calpine Road, c. 200 m west of Westside Road 1498 Comment
  CAS-BOT-BC342880  Madia glomerata John Thomas Howell 1951-8-21 28262 Sierra East side of Yuba Pass 1828 Comment
  JEPS118424  Madia glomerata Lowell Ahart 2011-9-23 17711 Sierra On a gravel bar on the south side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2015 Comment
  JEPS30005  Madia glomerata W. L. Jepson 1934-8-2 16794 Sierra 2 mi e Bassett Sta. (Pioneer Sta.); North Fork Yuba River 1706 Comment
  JEPS30006  Madia glomerata W. L. Jepson 1934-8-7 16874 Sierra Onion Valley Comment
  JEPS40347  Madia glomerata W. L. Jepson 1907-8-26 Sierra just w Reno, Nevada; Dog Valley Comment
  CAS-BOT-BC342884  Madia glomerata L. S. Smith 1927-6-27 2086 Sierra Tahoe National Forest. North of Prosser Cr. Truckee D. Comment
  CAS-BOT-BC343419  Madia gracilis John Thomas Howell 1951-8-21 28247 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  CAS-BOT-BC343417  Madia gracilis Lowell Ahart 1981-7-24 2992 Sierra Sutter Buttes Area. Pacific Mine, 5 miles east of La Porte 1700 Comment
  CAS-BOT-BC343421  Madia gracilis W. R. Dudley 1909-8-29 s.n. Sierra Near Hot Springs, Sierra Valley Comment
  SEINET11810614  Madia sativa subsp. dissitiflora J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  CAS-BOT-BC512754  Maianthemum racemosum subsp. amplexicaule W. Harnach; N. Harnach 1990-6-30 439 Sierra Sierra Valley, Yuba Pass 2042 Comment
  CAS-BOT-BC512891  Maianthemum stellatum Javier Penalosa 1962-6-20 2536 Sierra Little Truckee River at Hwy. 89 1905 Comment
  POM197163  Marsilea oligospora J. G. Lemmon 1883-07 s.n. Sierra Sierra Valley Comment
  JEPS124643 Image available Matricaria matricarioides Peter Schultz 1967-7-8 59 Sierra 3 miles north of Sattley on Sattley - Beckworth Road. Comment
  SEINET4671557  Melica bulbosa S. Doten 1901-7-5 99 Sierra [Sierra Nevada] Near Webber Lake, near the falls Comment
  CHSC44576  Melica californica Lowell Ahart 1978-6-4 1755 Sierra Above the Foote Road, about 1 mile south of Alleghany. 1280 Comment
  UCD86434  Melica californica Beecher Crampton 1954-5-10 1853 Sierra Roadbank, Hwy. 49, north slope of the north Yuba River, Indian Valley. 8 miles northeast of Camptownville. Comment
  CAS-BOT-BC282067  Melica fugax John Thomas Howell; Gordon H. True 1970-7-14 5505 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  CAS-BOT-BC282069  Melica fugax S. B. Doten 1901-7-2 83 Sierra Webber Lake Comment
  CHSC109872  Melica fugax L. P. Janeway; B. Castro 2012-6-16 10883 Sierra Northern High Sierra Nevada. Tip of a short southeastern spur of Gibsonville Ridge, 1.1 km north-northwest of Gibsonville. 1885 Comment
  CAS-BOT-BC281377  Melica harfordii Catherine Best 1981-6-19 s.n. Sierra Herringtons, Sierra City Comment
  SEINET11678861  Melica imperfecta J. G. Lemmon 1874-1 224 Sierra Sierra Co. &c. Comment
  CHSC51040  Melica stricta Lowell Ahart 1990-7-8 6551 Sierra Near Bunker Hill Ridge, on the west side of Mount Etna, about 12 miles north-east of La Porte. 2072 Comment
  SEINET4671669  Melica stricta P. B. Kennedy, S. B. Doten 1901-7-6 103 Sierra Canyon below Webber Lake Comment
  SEINET4671673  Melica stricta P. B. Kennedy, S. B. Doten 1901-7-6 s.n. Sierra Canyon below Webber Falls Comment
  JEPS26708  Mentzelia dispersa W. L. Jepson 1896-8-26 14044 Sierra near Reno (on the California-Nevada line (but in California)); Dog Valley Comment
  CDA36684  Mentzelia veatchiana T. C. Fuller 1962-6-14 9009 Sierra Highway 49 to Sierraville, 0.6 mile west of Loyalton. 0 Comment
  SJSU12138  Mentzelia veatchiana N. A. Hopkins 1971-6-14 390 Sierra Lemon Canyon Rd near Bear Valley 1676 Comment
  RSA8042  Menyanthes trifoliata H. A. Barker 1927-7-23 827 Sierra Gold Lake. 1951 Comment
  CHSC64285  Mertensia oblongifolia var. oblongifolia H. H. Schmidt; M. Merello, L. Woodruff 1993-6-12 840 Sierra Tahoe National Forest. Road to Weber Lake. 3.2 miles W of state highway 89. 1950 Comment
  SEINET10497600  Mertensia oblongifolia var. oblongifolia Heidi H. Schmidt 1993-6-12 Schmidt 840 Sierra Tahoe National Forest. Road to Weber Lake. 3.2 miles W of state highway 89. 1950 Comment
  CHSC45978  Micranthes aprica Lowell Ahart 1975-6-28 816 Sierra About 2 miles east of Gibsonville, about 10 miles north-east of La Porte. 1981 Comment
  CHSC63173  Micranthes bryophora Lowell Ahart 1994-7-1 7423 Sierra On large rocks, south of the larger pond, steep rocky slope on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) northeast of Alleghany. 1889 Comment
  CAS-BOT-BC428731  Micranthes californica John Thomas Howell; R. C. Barneby 1954-5-13 29537 Sierra Indian Hill. 853 Comment
  SEINET6167260  Micranthes odontoloma P. B. Kennedy, S. B. Doten 1901-7-23 201 Sierra Lincoln Valley Comment
  CAS-BOT-BC429247  Micranthes oregana D. E. Breedlove 1962-6-13 3501 Sierra Along State Highway 89, 4.2 miles north of Sierraville 1524 Comment
  CAS-BOT-BC429249  Micranthes oregana G. L Smith 1959-6-19 1195 Sierra Clark Sta., 3 mi. below Yuba Pass, David Snyder summer home 1889 Comment
  CAS-BOT-BC429254  Micranthes oregana Rimo Bacigalupi 1927-7-4 1606 Sierra Along banks of the north fork of the north fork of the Yuba River two miles west of Yuba Pass 1920 Comment
  CDA9352  Micranthes oregana M. Beyers, Bob Patterson 2012-6-29 1029 Sierra Northern Sierra Nevada; Highway 49: Yuba Pass Road. In moist meadow west of rest stop parking lot. 2046 Comment
  SEINET6167431  Micranthes oregana W. Harnach, N. Harnach 1989-5-13 094 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  SEINET6167435  Micranthes oregana J. H. Robertson 1960-6-18 s.n. Sierra Sagehen Creek camp and meadow. Comment
  HSC6026  Microseris nutans R. Spellenberg 1964-6-14 383 Sierra Ca. 4 mi. W of Sierraville Comment
  CAS-BOT-BC349262  Microseris nutans D. E. Breedlove 1962-6-13 3491 Sierra Along State Highway 89, 9.3 miles north of Sierraville 1524 Comment
  CAS-BOT-BC349263  Microseris nutans W. Harnach; N. Harnach 1991-7-14 640 Sierra Sierra Valley. Coburn Lake, approx 1/4 below outlet to lake 2280 Comment
  UCD84088  Microsteris gracilis Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra County. Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  SEINET215089  Microsteris gracilis S. Adams 1967-5-21 33 Sierra 2 mi N of Sierraville 1372 Comment
  SJSU14257  Microsteris gracilis N. A. Hopkins 1989-6-15 1537 Sierra c. 1.5 mi SW of Calpine 1524 Comment
  UCD118917  Microsteris gracilis F. A. MacFadden 1934-6-29 s.n. Sierra Truckee River, 13 miles from Truckee on Reno Road via Hobart Mills. Comment
  UCR249171  Mimulus aurantiacus George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20787 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.8 miles west of Goodyears Bar, c. 5 miles west of Downieville 779 Comment
  RSA550843  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-9 1122 Sierra N Fork Yuba river, W of goodyears Bar. 0.4 mi W of Ramshorn Campground turnoff along Hwy 49 759 Comment
  JEPS87288  Mimulus aurantiacus var. grandiflorus David M. Thompson 1992-6-9 1121 Sierra 1.1 mi e of bridge Downie River (along Hwy 49); Downieville 880 Comment
  UCD122314  Mimulus aurantiacus var. grandiflorus P. B. Kennedy 1927-5-30 s.n. Sierra N. fork of Yuba. Comment
  RSA8001  Mimulus breweri H. A. Barker 1927-8-4 839 Sierra Gold Lake. 1982 Comment
  HSC96964  Mimulus guttatus L. Ahart 2006-6-21 12799 Sierra W side of Foote Rd., near Blue Ravine, 3 mi. SW of Alleghany 1054 Comment
  JEPS11455  Mimulus guttatus W. L. Jepson 1934-8-2 16796 Sierra 2 mi e Bassett Sta. (Pioneer Road Sta.); North Fork Yuba River 1706 Comment
  UC335545  Mimulus lewisii J. G. Lemmon Aug. 1878 Sierra Webber Lake Comment
  JEPS85171  Mimulus moniliformis Roy E. Buck, Steven Lee, Eric Smith, Andrea Gargas, et al. 1986-8-3 547 Sierra ca. 4.7 air km sse Yuba Pass; Upper Lincoln Meadow complex Comment
  RSA0035755  Mimulus moschatus George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-5 20765 Sierra Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  SJSU5001  Mimulus moschatus N. A. Hopkins 1968-7-5 160 Sierra 0.5 mi W of Packer L 2072 Comment
  RSA8027  Mimulus moschatus var. sessilifolius H. A. Barker 1927-7-11 799 Sierra Gold Lake 1954 Comment
  UC335554  Mimulus primuloides J. G. Lemmon Aug. 1878 Sierra Webber Lake Comment
  UCD63694  Mimulus primuloides Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Sierra Forest City. Granite Mountain. Tahoe National Forest. Banner Mine Road to Harris Meadows. 1820 Comment
  RSA21961  Mimulus torreyi H. C. Cantelow 1938-7-2 2370 Sierra 2 miles east of Downieville. Comment
  SEINET11934233  Minuartia douglasii var. douglasii F. H. Utech 1986-1 86 -058 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  JEPS95547  Mitella breweri Lowell Ahart 1994-7-1 7431 Sierra 11 air miles NE of Alleghany (S of the larger pond, N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, 1 1/2 mi NE of Middlewaters) 1889 Comment
  UC1609477  Mitella breweri Lowell Ahart 1993-9-10 7192 Sierra about 1 mi sw dirt road from Gibsonville to Johnsonville (at end of a poor dirt rd where there is a camp and water ditch, n side of mt.); Mount Fillmore 2133 Comment
  RSA739752  Monardella glauca John Dittes, Josephine Guardino, L. Ahart 2003-7-31 2003 -77 Sierra Northern High Sierra Nevada, 2.4 air miles SW of Sierra City, 8.5 air mile E by SE of Downieville, 6 air mile NW of Jackson Meadows Reservoir, Keystone Gap, slope N of Henness Pass Road. 1998 Comment
  CHSC94193  Monardella odoratissima subsp. glauca Lowell Ahart 2006-6-28 12882 Sierra On the south slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1903 Comment
  CAS-BOT-BC222126  Monardella odoratissima subsp. pallida Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CHSC67839  Monardella odoratissima subsp. pallida James D. Jokerst 1990-7-27 3161 Sierra Balls Ranch Surveys for Jones and Stokes. Burma Summit, 6 mi SE of Loyalton. 2468 Comment
  JEPS117456  Monardella odoratissima subsp. pallida Lowell Ahart 2010-9-15 17188 Sierra Along the poor road, 5 yards north of the first pond, 8 yards northwest of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  SEINET10699809  Monardella odoratissima subsp. pallida Karen M. Meyer, Andrew Townesmith 2007-7-17 Meyer 131 Sierra Tahoe National Forest. 1.0 mi. up road toward Lake of the Woods, off road 07. 2191 Comment
  SEINET3559215 Image available Monardella odoratissima subsp. pallida Lewis S. Rose 1934-7-12 34350 Sierra Gold Lake. 1951 Comment
  UC54596  Monardella odoratissima subsp. pallida H. M. Hall and E. B. Babcock July 1903 4582 Sierra Near Sierraville; Sierra Nevada Mountains 1524 Comment
  CAS-BOT-BC222128  Monardella odoratissima subsp. pallida Gordon H. True 1967-7-31 3664 Sierra Verdi Peak Lookout 2590 Comment
  CAS-BOT-BC222130  Monardella odoratissima subsp. pallida Gordon H. True; J. T. Howell 1967-8-19 4023 Sierra Sagehen - Independence Lake Road ca. 4.5 miles north west of Sagehen Creek 2133 Comment
  CAS-BOT-BC222134  Monardella odoratissima subsp. pallida D. E. Breedlove 1962-6-13 3488 Sierra Along State Hwy. 89, 9.3 miles north of Sierraville 1524 Comment
  CAS-BOT-BC222156  Monardella odoratissima subsp. pallida Mrs. H. C. Cantelow 1951-7-23 10 Sierra Hwy. 89, 5 miles north of Hobart Mills Comment
  CDA40790  Monardella odoratissima subsp. pallida Jim Jokerst 1989-7-14 3135 Sierra Balls Ranch Surveys. Adjacent to Staverville Rd. in Balls Canyon ca. 0.33 mi east of Balls Ranch. Comment
  CHSC107895  Monardella sheltonii L. P. Janeway 2011-9-15 10727 Sierra Northern High Sierra Nevada. Plumas National Forest; south slope of Mt. Etna; along the road to Johnsville (Road 900; Road 22N12X) 8.9 road km east of Quincy-La Porte road. Steep open south-facing rocky area below large rock outcrops, where the road crosses. 1923 Comment
  SJSU11402  Monardella sheltonii Virginia Hardham 1965-6-29 Sierra near Goodyears Bar c. 5 mi W of Downieville 833 Comment
  SEINET10733139  Monolepis spathulata John G. Lemmon 1874-1 Lemmon s.n. Sierra Sierra Co., etc. Comment
  CHSC1373  Montia chamissoi V. Holt 1942-7-20 Sierra Gold Lake. 1950 Comment
  UC66444  Montia fontana P. B. Kennedy and S. B. Doten 1901-7-5 90 Sierra Webber Lake Comment
  UCD84112  Montia linearis Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  CAS-BOT-BC445058  Montia linearis M. Nakagawa 1980-5-17 44 Sierra Hwy 49, 10 miles E of Sierraville 1584 Comment
  SEINET5336652  Montia linearis R. J. Holl 1948-5-22 32 Sierra Dog Valley, 9 miles from Verdi 1768 Comment
  SD241157  Montia parvifolia George K. Helmkamp, E. A. Helmkamp 2011-6-9 17537 Sierra Northern Sierra Nevada Mountains Foothills: 5.9 miles north of Camptonville along CA-49, about 1.2 miles northeast of the Yuba C. line (Camptonville 7.5'Q) 899 Comment
  UCR230992  Montia parvifolia George K. Helmkamp, E. A. Helmkamp 2011-6-9 17537 Sierra Northern Sierra Nevada Mountains Foothills, 5.9 miles north of Camptonville along CA-49, about 1.2 miles northeast of the Yuba Co. line 899 Comment
  CHSC69980  Muhlenbergia filiformis L. P. Janeway; Eric Schroder 1997-8-14 5332 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. 2042 Comment
  CAS-BOT-BC275168  Muhlenbergia richardsonis Catherine Best 1981-6-17 s.n. Sierra Highway 89, 12 miles N of Truckee Comment
  JEPS113915  Muhlenbergia richardsonis W. and N. Harnach 2000-9-9 1007 Sierra Sierra VAlley 1 mile esst of Calpine, CA ans 0.75 miles north of Calpine Road. (home) Comment
  SEINET10960376  Muhlenbergia richardsonis John G. Lemmon 1874-1 Lemmon 220 Sierra Comment
  UC584349  Muilla transmontana G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2131 Sierra se-facing hillside about 3 1/2 mi e Loyalton 1600 Comment
  SEINET12780561  Myosotis discolor W. Harnach, N. Harnach 1991-7-4 610 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (the fenced bog hole) 1512 Comment
  SEINET12097219  Myosurus apetalus J. G. Lemmon 1874-1 2 Sierra Passing to m minimus Comment
  SD9585  Myriopteris gracillima J. G. Lemmon 1876-1-8 Sierra Sierra Valley [County a guess, near Sierraville, says Andy Sanders ] Comment
Read comments
Jul 11 2010
  SD9593  Myriopteris gracillima J. G. Lemmon Jul 1880 Sierra Mountains around Webber Lake 2440 Comment
  UC54509  Nama lobbii H. M. Hall and E. B. Babcock July, 1903 4490 Sierra Sardine Lake; Sierra Nevada Mountains, Sardine Lake 1828 Comment
  CHSC78348  Narthecium californicum Lowell Ahart 2000-7-13 8592 Sierra On a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany. 1615 Comment
  JEPS98333  Narthecium californicum Lowell Ahart 2000-7-13 8592 Sierra 7 air miles NE of Alleghany (upper W branch of Black Jack Ravine, W side of Forest Hwy 98, Harris Meadow) 1615 Comment
  UC119704  Narthecium californicum J. G. Lemmon 1874-1 Sierra Comment
  CAS-BOT-BC60325  Nasturtium officinale W. Harnach; N. Harnach 1989-5-13 082 Sierra Sierra Valley. Martinette Ranch (Elvers). 1517 Comment
  UC1609284  Navarretia capillaris Lowell Ahart 1993-9-24 7253 Sierra about 3/4 mi s dirt road from Gibsonville to Johnsville (n side of mt., on w side poor dirt road that ends at a stream); n side Mount Fillmore 2133 Comment
  SEINET7974323 Image available Navarretia divaricata H. Hamlin s.n. Sierra Sierra Valley Comment
  UCD106101  Navarretia intertexta N. Hopkins 1981-7-1 152 Sierra 1 mile S of Calpine. Comment
  JEPS4099  Navarretia intertexta subsp. propinqua Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4288 Sierra along road from Hawley railroad station on Western Pacific main line to Loyalton; Sierra Valley 1481 Comment
  UC965525  Navarretia intertexta subsp. propinqua Herbert L. Mason 1952-7-17 14377 Sierra between Sierraville and Loyalton; Sierra Nevada, Sierra Valley 1524 Comment
  UC2022571  Navarretia leptalea Lewis S. Rose 1934-7-4 34316 Sierra Gold Lake. Comment
  UC1012886  Navarretia leptalea subsp. leptalea A. R. Kruckeberg 1951-9-2 2896 Sierra Highway #89, 4 mi s Plumas Co. Line (just n of Summit between Calpne Lookout Turnoff and Graeagle, in abandoned logging road); btw Calpine Lookout Turnoff and Graeagle Comment
  UC54536  Navarretia leptalea subsp. leptalea H. M. Hall and E. B. Babcock July, 1903 4470 Sierra Sierra Valley Sierra Nevada Mountains, Sierra Valley 1524 Comment
  JEPS70395  Navarretia leucocephala subsp. minima W. L. Jepson 1918-8-18 8053 Sierra Sierra Valley 1524 Comment
  UCR224673  Navarretia leucocephala subsp. minima Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra Valley, Harvey Ranch, along Westside Road, c. 1 km north of the intersection of Westside Road and Calpine Road, c. 200 m west of Westside Road 1498 Comment
  OBI2929  Navarretia leucocephala subsp. minima L. S. Rose 1968-6-9 68082 Sierra Sattley. 1524 Comment
  SEINET8075303  Navarretia leucocephala subsp. minima Lewis S. Rose 1968-6-9 68082 Sierra Sattley.; 0 1524 Comment
  SJSU15107  Navarretia leucocephala subsp. minima N. A. Hopkins 1992-7-21 1716 Sierra Knudson Meadow N of Carman Cr Comment
  CAS-BOT-BC219372  Nemophila W. Harnach; N. Harnach 1989-4-15 024 Sierra Sierra Valley. County line on road A-23 1524 Comment
  CHSC115185  Nemophila heterophylla Lowell Ahart 2015-5-9 20166 Sierra On the north side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  CAS-BOT-BC231222  Nemophila parviflora var. austiniae L. Constance 1938-6-9 2304 Sierra E side of Yuba Pass, 2.4 miles NW of Sattley 1524 Comment
  SJSU12105  Nemophila parviflora var. austiniae N. A. Hopkins 1983-5-23 1128 Sierra c. 1 mi S of Calpine 1524 Comment
  CHSC81060  Nicotiana acuminata var. multiflora Lowell Ahart 2001-8-10 9078 Sierra Strand of Stampede Reservoir, about 1 mile southwest of Henness Pass Road, about 1 1/4 miles northwest of Stampede Reservoir Dam. 1810 Comment
  SEINET6174436  Nicotiana attenuata W. Harnach, N. Harnach 1990-7-29 481 Sierra Sierra Valley, ca 1/4 mi. S of Plumas-Sierra Co. line on A-23. 1503 Comment
  CAS-BOT-BC349913  Nothocalais alpestris L. P. Janeway; Garrett Gibson 1991-7-22 4089 Sierra Plumas National Forest, Beckwourth Ranger District. Steep north-facing slope 1/2 mi due east of Mohawk Gap (along road 21N31B) 2225 Comment
  JEPS111244  Nothocalais troximoides Steve Matson 2005-6-18 1285 Sierra Dog Valley, Toiyabe NF, ca 4 miles northwest of Verdi, NV; just east of old Dog Valley Ranger Station. 1767 Comment
  SEINET11602184 Image available Nothocalais troximoides W. Harnach, N. Harnach 1989-5-21 111 Sierra Sierra Valley, E of Calpine, Calpine Ranch (home).; 39.675619 -120.422666 1506 Comment
  UCD110238  Notholithocarpus densiflorus var. echinoides J. M. Tucker 1974-9-14 4336 Sierra Across the road from, and near the main entrance to Rose Ranch, ca. 8 miles (by road) northeast of Strawberry Valley (in Yuba County), on Sierra-Yuba county line. 1371 Comment
  CAS-BOT-BC349946  Onopordum acanthium T. C. Fuller 1964-12-2 12918 Sierra At the top of the n. bank of Sunrise Creek, ca. 1 mi. n.w. of Verdi, Nevada, 100 yds s. of Dog Valley Rd. & 100 yds. w. of the Stateline in Sierra Co. Comment
  CAS-BOT-BC349948  Onopordum acanthium J. Budaj 1969-7-3 s.n. Sierra Purdy Creek, Long Valley, ca. 2 mi. s. of Bordertown, Nevada, in n.e. Sierra Co. Comment
  CAS-BOT-BC355581  Oreostemma alpigenum var. andersonii W. Harnach; N. Harnach 1990-8-17 515 Sierra Sierra Valley. Strang Ranch (Elvers back 80) 1524 Comment
  CAS-BOT-BC355587  Oreostemma alpigenum var. andersonii John Thomas Howell 1951-8-21 28268 Sierra Yuba Pass 2042 Comment
  CAS-BOT-BC355589  Oreostemma alpigenum var. andersonii R. F. Thorne; C. W. Tilforth 1969-9-6 39212 Sierra Haven Lake (between Goose and Snag Lakes) 1950 Comment
  CHSC56841  Oreostemma alpigenum var. andersonii L. P. Janeway 1991-9-23 4143 Sierra Plumas National Forest. Near head of a tributary of Sulphur Creek, 1/4 mi east of Chapman Saddle and 2 mi east-southeast of Haskell Peak. 2042 Comment
  CHSC66792  Oreostemma alpigenum var. andersonii Vernon H. Oswald; Lowell Ahart 1996-8-19 8216 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.5 mi S of the road to Haypress Valley. 2194 Comment
  CHSC69863  Oreostemma alpigenum var. andersonii L. P. Janeway; Eric Schroder 1997-8-14 5327 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. 2042 Comment
  JEPS118128  Oreostemma alpigenum var. andersonii Dean W. Taylor 2009-8-4 20730 Sierra headwaters of Deer Creek, tributary to Yuba River at Bassetts (Yuba Pass region) 2087 Comment
  UC86920  Oreostemma alpigenum var. andersonii J. G. Lemmon 1875-1 128 Sierra Comment
  UCD160581  Orobanche fasciculata G. Ledyard Stebbins 1978-7-18 s.n. Sierra Tahoe National Forest. Northeast of the Bald Mountain Range, below Peavine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS64572  Orobanche parishii subsp. parishii R. E. Talbert 1962-8-30 Sierra ca. 1.5 mi. n. Sierraville (Warner Ranch); Warner Ranch Comment
  JEPS95549  Orobanche uniflora Lowell Ahart 1994-7-1 7424 Sierra 11 air miles NE of Alleghany (S of the larger pond, N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, 1 1/2 mi NE of Middlewaters) 1889 Comment
  UCR230725  Orobanche uniflora George K. Helmkamp, E. A. Helmkamp 2011-6-9 17539 Sierra Northern Sierra Nevada Mountains Foothills, 5.9 miles north of Camptonville along CA-49, about 1.2 miles northeast of the Yuba Co. line 899 Comment
  SEINET6031261  Orobanche uniflora var. occidentalis W. Harnach, N. Harnach 1990-5-14 319 Sierra Sierra Valley, W of Loyalton, Antelope Valley 1518 Comment
  RSA0083209  Orthilia secunda L. Ahart 2010-9-15 17176 Sierra About 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak. 2135 Comment
  UC1586487  Orthilia secunda Lowell Ahart 1991-7-29 6700 Sierra Negro Creek, west of Burlington, about 1 mile north-east of Harris Meadow, about 1 1/4 miles north-east of Granite Mountain. 1828 Comment
  CAS-BOT-BC458070  Orthilia secunda Lillian S. Mott 1965-8-8 LM 6560 Sierra Packer Lake Comment
  CAS-BOT-BC466317  Orthilia secunda Lewis S. Rose 1934-7-20 34396 Sierra Gold Lake 1950 Comment
  RSA234798  Orthocarpus hispidus Francis W. Pennell 1940-6-12 25826 Sierra East of Calpine. 1494 Comment
  SEINET12121791  Osmorhiza chilensis F. H. Utech 1986-1 86 -088 Sierra Tahoe Natioanal Forest, ca 1 mi N of junction North Yuba River & CA 49 bridge 950 Comment
  CHSC73729  Osmorhiza occidentalis B. Castro; M. A. Griggs, Plumas NF Botanists 1997-7-10 759 Sierra Bunker Hill Ridge, on SW-facing slope E of Duck Soup Pond, approaching the ridge crest, along Pacific Crest Trail. 2118 Comment
  SEINET12119210  Osmorhiza occidentalis J. G. Lemmon 1874-1 89 Sierra Sierra Co. &c Comment
  CAS-BOT-BC317112  Packera pauciflora W. Harnach; N. Harnach 1989-5-13 87 Sierra Sierra Valley, T20N, R14E, NE 1/4 Sec 9. Martinetti Ranch (Elvers). 1517 Comment
  CAS-BOT-BC317148  Packera streptanthifolia L. S. Smith 1928-7-22 2497 Sierra Tahoe National Forest, Webber lake 2042 Comment
  UC903106  Packera streptanthifolia Ethel Crum 1937-8-6 1939 Sierra 1.5 mi s Webber Lake; Sierra Nevada 2103 Comment
  SEINET11744957 Image available Packera streptanthifolia A. A. Heller, P. B. Kennedy 1907-7-1 8665 Sierra Purdy Comment
  SEINET11744998 Image available Packera streptanthifolia W. Harnach, N. Harnach 1989-5-13 087 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1518 Comment
  CAS-BOT-BC28841  Paeonia brownii Alice Eastwood 1918-4-6 6760 Sierra Downieville Comment
  JEPS25523  Paeonia brownii Rimo Bacigalupi with Lincoln Constance 1959-6-15 7134 Sierra along road to Loyalton 5 mi n Sierraville (at base of hills bordering e edge of Valley); Sierra Valley Comment
  POM270837  Paeonia brownii J. W. Morrison s.n. Sierra Loyalton, Sierra Nevada mountain range, Sierra Valley drainage 1524 Comment
  SEINET5845271  Paeonia brownii P. B. Kennedy, S. B. Doten 1901-7-8 133 Sierra [Sierra Nevada] Webber Lake Comment
  SEINET5845275  Paeonia brownii P. B. Kennedy, S. B. Doten 1901-7-2 79 Sierra [Sierra Nevada] Webber Lake Comment
  UC1594734  Parnassia californica Lowell Ahart 1992-8-6 6917 Sierra about 1/2 mi w of Harris Meadow (about 1 mi s of Granite Mountain, n of Black Jack Ravine) 1676 Comment
  CHSC66600  Pectiantia breweri Lowell Ahart 1996-7-25 7701 Sierra South of the Old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  JEPS125802  Pectiantia breweri William Harnach 2011-7-20 1250 Sierra South side of the North fork of the Yuba River, approximately 1/4 mile East of the Sierra Nevada Field Campus. Comment
  CHSC52958  Pedicularis attollens L. P. Janeway 1989-8-10 3571 Sierra Plumas National Forest. NE'ern slopes between Haskell Pk and Hwy 89/Sulphur Cr. 2194 Comment
  UC1478543  Pedicularis attollens Robert F. Thorne 1974-7-30 45048 Sierra Goose, Haven and Snag Lake areas, e of highway Tahoe National Forest 2057 Comment
  SEINET13754320  Pedicularis attollens W. Harnach, N. Harnach 1989-6-10 142 Sierra Sierra Valley, Strang Corral on Highway 49 1503 Comment
  JEPS10365  Pedicularis densiflora L. S. Smith 1926-4-12 1759 Sierra Rebel Ridge Range; Tahoe Forest 701 Comment
  SEINET13752100  Pedicularis groenlandica P. B. Kennedy, S. B. Doten 1901-7-5 95 Sierra Webber Lake Comment
  SJSU4972  Pedicularis semibarbata N. A. Hopkins 1968-7-5 153 Sierra 0.5 mi W of Packer L 2072 Comment
  UC1125740  Pedicularis semibarbata H. S. Yates 1935-6-29 5286 Sierra 1 mi n of Gold Lake; Plumas National Forest 1981 Comment
  UCD40247  Pellaea brachyptera Rodney Gale Myatt 1972-6-1 1565 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  SJSU12099  Pellaea brachyptera N. A. Hopkins 1972-10-28 481 Sierra along trail to Haypress Canyon near Wild Plum Creek 1524 Comment
  UCD137651  Pellaea brachyptera L. Ahart 1982-7-28 3694 Sierra Ca. 1/4 mile N of Pacific Mine, ca. 5 mi. E of LaPorte. 1700 Comment
  JEPS95339  Pellaea bridgesii Lowell Ahart 1994-7-1 7439 Sierra 11 air miles NE of Alleghany (W side of the larger pond, N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, 1 1/2 mi NE of Middlewaters) 1889 Comment
  UC1795031  Pellaea bridgesii Ruth Kirkpatrick 2001-7-18 1067 Sierra E of Gold Lake day use area 1965 Comment
  SEINET10470232  Pellaea bridgesii Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4469 Sierra North side of Milton Reservoir, near Jackson Meadow Reservoir. Yellow Pine Forest; 1800 m. 1800 Comment
  CAS-BOT-BC77158  Pellaea mucronata subsp. mucronata Alice Eastwood 1918-4-6 6771 Sierra Downieville Comment
  NY571155  Penstemon azureus var. azureus M. J. Williams 1977-7-26 7748- 3 Sierra Independence Lake 2118.4 Comment
  UC525526  Penstemon azureus var. azureus J. G. Lemmon 713 Sierra Comment
  NY590174  Penstemon davidsonii var. davidsonii J. G. Lemmon 1875-1 217 Sierra Comment
  NY590175  Penstemon davidsonii var. davidsonii J. G. Lemmon 1875-1 217 Sierra Comment
  UCR17467  Penstemon deustus Frank C. Vasek 1975-7-10 750710- 12 Sierra Sierra Nevada Mtns., 1 mi west of State Hwy 89 on Henness Pass Rd. 1951 Comment
  UCD124092  Penstemon deustus N. Hopkins 1971-6-14 213 Sierra Tahoe Forest; road to Lemmon Canyon. 1676 Comment
  UCSB16092  Penstemon deustus Breedlove, Dennis 1962-6-13 Sierra Along State Highway 89; 3 miles south of Sierraville 1767 Comment
  RSA285584  Penstemon deustus subsp. deustus D. C. Michener 1981-7-16 4014 Sierra Sierra Nevada. Sierra Buttes area. Between Upper and Lower Sardine Lakes. Comment
  UC1012226  Penstemon deustus var. deustus Francis W. Pennell Jun 12 1940-Jun 13 1940 25836 Sierra Route 89, 1 mi above Sierraville; above Sierraville 1554 Comment
  NY591828  Penstemon deustus var. pedicellatus F. W. Pennell 1940-6-12 25836 Sierra Route 89, 1 mile above Sierraville 1554.5 Comment
  CHSC105549  Penstemon gracilentus Lowell Ahart 2010-9-15 17168 Sierra About 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC42773  Penstemon gracilentus L. P. Janeway 1984-7-29 939 Sierra Ca. 3 1/2 mi from Gold Lake near F. S. Rd 28 (21N11). 2225 Comment
  JEPS117452  Penstemon gracilentus Lowell Ahart 2010-9-15 17168 Sierra About 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  UC690304  Penstemon gracilentus Elmer I. Applegate 1921-9-7 3382 Sierra Gold Lake 2133 Comment
  NY600706  Penstemon gracilentus C. B. Wolf 1937-8-6 9062 Sierra Northern Sierra Nevada, 1/2 mile northeast of Gold Lake 1920.2 Comment
  POM202944  Penstemon gracilentus L. S. Rose 1934-7-12 34351 Sierra Gold Lake 1951 Comment
  POM203458  Penstemon gracilentus L. S. Rose 1934-7-1 34299 Sierra NE of Gold Lake. 2104 Comment
  RSA135980  Penstemon gracilentus Arthur R. Kruckeberg 1954-8-1 3663 Sierra Along Hwy 49, 3 miles E of Yuba Pass. Taho Nat. Forest. Comment
  RSA8057  Penstemon gracilentus H. A. Barker 1927-7-6 790 Sierra Gold Lake. 1951 Comment
  SJSU14313  Penstemon gracilentus N. A. Hopkins 1989-7-15 1565 Sierra between Yuba Pass & Weber L c. 2 mi S of Yuba Pass 2194 Comment
  SEINET10548075  Penstemon newberryi John T. Middleton 1938-7-18 Middleton s.n. Sierra Summit pass n. Euimopciut lake. Comment
  CAS-BOT-BC239321  Penstemon newberryi var. berryi Vincent Jones 1920-5-25 s.n. Sierra Near Cedar Glen Comment
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Mar 18 2018
  CAS-BOT-BC239325  Penstemon newberryi var. berryi H. Albert Barker 1926-7-3 34 Sierra Packer Lake 1981 Comment
  CAS-BOT-BC239329  Penstemon newberryi var. berryi George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  UC573598  Penstemon newberryi var. newberryi H. S. Yates 1935-6-29 5280 Sierra 1 mi n Gold Lake; Downieville qudrangle 1981 Comment
  SEINET5329220 Image available Penstemon newberryi var. newberryi P. A. Lehenbauer 1937-6-8 64 Sierra 25 mi W of Reno, Nevada, on Truckee R. at Iceland, S. side of river by falls 1676 Comment
  UC1971327  Penstemon procerus Lewis S. Rose 1934-7-1 34299 Sierra NW of Gold Lake Comment
  UC54632  Penstemon roezlii H. M. Hall and E. B. Babcock Jul 1903 4485 Sierra Lower Sardine Lake Sierra Nevada Mountains, Lower Sardine Lake 1828 Comment
  NY650151  Penstemon roezlii J. G. Lemmon 1874-1 153 Sierra Comment
  UC335585  Penstemon roezlii J. G. Lemmon Sept. 1874 Sierra Downieville Buttes Comment
  CAS-BOT-BC239626  Penstemon rydbergii var. oreocharis W. R. Dudley 1894-8-31 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC239628  Penstemon rydbergii var. oreocharis Joseph Gerber 1953-7-5 23 Sierra Lake Independence 2133 Comment
  CAS-BOT-BC239630  Penstemon rydbergii var. oreocharis L. S. Smith 1928-6-30 2435 Sierra Tahoe National Forest, Yuba Pass, meadow on summit 2042 Comment
  SEINET8512807 Image available Penstemon rydbergii var. oreocharis Noel H. Holmgren, Patricia K. Holmgren 2014-1 16539 Sierra Sierra Valley, State Route 89, 2.6 km (1.6 mi) west of Lincoln Street, Sierraville 1507 Comment
  UCSB27037  Penstemon rydbergii var. oreocharis Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of State Highway 49, on road to Graeagle, Sierra Buttes, Sierra Nevada 1981 Comment
  SEINET5329669 Image available Penstemon rydbergii var. oreocharis G. Gifford 1980-7-26 s.n. Sierra Dog Valley in Marsh adjacent to the N of Dog Valley Campground 1920 Comment
  SEINET5329690 Image available Penstemon rydbergii var. oreocharis S. B. Doten 1901-6-20 55 -A Sierra Near Little Truckee River Comment
  NY660836  Penstemon speciosus F. W. Pennell 1940-6-12 25847 Sierra Route 89, along Little Truckee River, Sierraville 1828.8 Comment
  UC335608  Penstemon speciosus J. G. Lemmon Aug. 1874 Sierra Webber Lake Comment
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Mar 20 2006
  UC406900  Penstemon speciosus Leland S. Smith 1928-6-30 2449 Sierra Yuba Pass Yuba Pass (on e slope in cut) 1981 Comment
  RSA79294  Penstemon speciosus E. K. Balls, Percy C. Everett 1952-10-9 18123 Sierra Hwy 89, 3.6 mi NW of Sierra-Nevada County line, along Little Truckee River. 1372 Comment
  RSA7947  Penstemon speciosus H. A. Barker 1927-7-6 793 Sierra Gold Lake 1982 Comment
  SEINET10898231  Penstemon speciosus John T. Middleton 1938-7-18 Middleton s.n. Sierra Sonora pass, 1/2 mi n rocky exposed e slope, flowers deep blue. Sierra nevada. Comment
  SJSU13897  Penstemon speciosus N. A. Hopkins 1986-6-30 1335 Sierra 2158 Comment
  NY661059  Penstemon speciosus subsp. speciosus D. D. Keck 1928-6-13 434 Sierra 6.7 miles west of Sierraville on Yuba Pass road. 1981.2 Comment
  SEINET11153639  Perideridia gairdneri subsp. borealis B. D. Hildebrand 1946-6-25 H- 66 Sierra 2 miles W of Calpine. 1524 Comment
  UC1389943  Perideridia lemmonii T. I. Chuang and R. Bacigalupi 1963-8-1 5912 Sierra ca 12 mi n Sierra City Comment
  UCD84090  Perideridia lemmonii Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra County. Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  UCD84220  Perideridia lemmonii Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  CAS-BOT-BC222769  Perideridia parishii John Thomas Howell 1969-9-13 46137 Sierra Near the southwest end of Webber Lake 2072 Comment
  JEPS125644  Perideridia parishii Shuxiao Zhang 2015-7-8 005 Sierra On property south of Packer Lake and west of Tamarack Lakes, in Tahoe National Forest area. Comment
  JEPS16595  Perideridia parishii subsp. latifolia W. L. Jepson 1934-8-3 16841 Sierra 2 mi e Bassett road sta.; North Fork Yuba River, Pioneer road sta. 1706 Comment
  SEINET8655769  Perideridia parishii subsp. latifolia W. Harnach 2012-8-1 1283 Sierra Approx 0.3 miles north of Hwy 49 (Old Pioneer Road House site) 2 miles east of Bassetts Station 1890 Comment
  UCD84070  Persicaria amphibia Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra County. Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  UCD99401  Persicaria amphibia P. B. Schultz 1967-7-8 52 Sierra 0.3 miles west of Sattley-Beckwourth Road on road to Calpine. 1493 Comment
  SBBG120357  Phacelia hastata D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16747 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 Comment
  CDA11862  Phacelia hastata subsp. hastata G. F. Hrusa, J. Jokerst 1991-7-5 8562 A Sierra Sierra Valley Region; Antelope Valley. Comment
  RSA427987  Phacelia heterophylla subsp. virgata Britton, Robert W. Townsend 1939-8-23 131 Sierra On north bank of Yuba River, seven miles above Sierra City. 1674 Comment
  SJSU12207  Phacelia heterophylla subsp. virgata N. A. Hopkins 1983-6-15 1142 Sierra Long Valley Rd c. 2 mi W of Bordertown 1767 Comment
  SEINET5763828  Phacelia heterophylla var. virgata B. Hildebrand 1946-6-23 68 Sierra Vicinity of Calpine 1585 Comment
  SEINET5520971  Phacelia humilis P. Lehenbauer 1925-6-11 1345 Sierra Balls Canyon, near lower Ranch House Comment
  SJSU12238  Phacelia humilis N. A. Hopkins 1982-7-27 1098 Sierra c. 0.5 mi S of Babbitt Peak fire lookout station, Bald Mt Range 2621 Comment
  JEPS1132  Phacelia mutabilis W. L. Jepson 1934-8-2 16800 Sierra 2 mi e Bassett sta.; North Fork Yuba River, Pioneer Road sta. 1706 Comment
  SEINET5507906  Phacelia mutabilis W. Harnach, N. Harnach 1989-6-25 180 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch (home). 1509 Comment
  UC1010452  Phacelia mutabilis L. Constance, R. Bacigalupi, and E. Nasir 1953-9-9 3472 Sierra forest opening between Webber and Meadow lakes (4 mi s of Webber) 2133 Comment
  CHSC94179  Phacelia procera Lowell Ahart 2006-6-21 12847 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany. 849 Comment
  JEPS1094  Phacelia procera John G. Lemmon 1874-1 308 Sierra Webber Lake Comment
  CHSC61921  Phacelia racemosa Lowell Ahart 1993-9-24 7259 Sierra On the west side of the small stream on the north side of Mount Fillmore, about 1/2 mile south of the dirt road from Gibsonville to Johnsville. 2072 Comment
  SEINET10743328  Phacelia ramosissima var. ramosissima Andrew Townesmith, Karen M. Meyer 2007-7-18 Townesmith 827 Sierra Tahoe National Forest, Sierraville Ranger District. Along Forest Service road 07-30, 0.2 mile west of junction with road 07. T19N R14E, at edge of sections 23 and 26. 1994 Comment
  JEPS124098  Phacelia vallicola Lowell Ahart 2015-5-9 20160 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  SBBG33896  Philadelphus lewisii L. S. Rose 1969-6-25 Sierra 5 mi E of Indian Valley, N Fork of Yuba River 1219 Comment
  SJSU12016  Philadelphus lewisii N. A. Hopkins 1975-7-24 692 Sierra near Rosassco Ravine 1 mi W of Downieville 914 Comment
  JEPS124771 Image available Philadelphus lewisii B. Corwin 1964-6-25 90 Sierra 2 miles east of Downieville on highway 49. South-facing, gentle slope. Comment
  CAS-BOT-BC250783  Phleum alpinum R. K. Gierisch; D. H. Esplin 1969-6-25 3495 Sierra Tahoe National Forest. Anderson Mdw. Comment
  SEINET4889076  Phleum alpinum P. B. Kennedy, S. B. Doten 1901-7-23 218 Sierra South of Lincoln Valley Comment
  CAS-BOT-BC250857  Phleum pratense W. Harnach; N. Harnach 1990-7-12 472 Sierra Sierra Valley. Approx 1/4 mile west of the rodeo grounds on Co. rd. 1524 Comment
  UC568786  Phlox G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2128 Sierra about 4 mi ne Loyalton 533 Comment
  CHSC35183  Phlox diffusa James Henrickson 1969-5-25 3417 Sierra Ca. 30 mi. E of Reno, 22 mi. N. of Truckee, 2 mi. S. of Sierraville along Hwy. 89. 1584 Comment
  SD129480  Phlox diffusa B. Pitzer, S. Morgan and H. Soldan 1988-5-29 943 Sierra Plumas National Forest, Gold Lake near the boat ramp. Comment
  UCSB16101  Phlox diffusa Breedlove, Dennis 1962-6-13 Sierra along State Highway 89; 10.0 miles south of Sierraville 1950 Comment
  UC1584007  Phlox gracilis G. Schoolcraft 1990-5-8 2013 Sierra near Calpine (w edge of Sierra Valley); Sierra Valley 1524 Comment
  SJSU12066  Phlox stansburyi N. A. Hopkins 1975-5-10 12066 Sierra Upper Long Valley 1524 Comment
  JEPS115057  Phoradendron villosum Lowell Ahart 2007-10-25 14504 Sierra About 10 yards east of Port Wine Ridge Road and the remains of two old buildings, about 1 1/2 miles north of Scales, about 5 miles (air) south of La Porte 1432 Comment
  CHSC73417  Phyllodoce breweri B. Castro; L. Gehrung, H. Durio 1995-9-14 638 Sierra Ca. 0.7 air mi SW of the top of Mt. Fillmore, and ca 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. 2042 Comment
  CAS-BOT-BC78485  Pinus contorta subsp. murrayana William R. Dudley 1894-9-1 s.n. Sierra Outlet [Lake-of-the-Woods] Lake of the Woods Comment
  CAS-BOT-BC78493  Pinus contorta subsp. murrayana W. R. Dudley 1894-9-1 s.n. Sierra Outlet Lake of Woods, near Webber Lake Comment
  MACF019591  Pinus contorta subsp. murrayana Trudy R. Ericson 1975-9-13 390 Sierra Approx. 1 mi. south of intersection of Bear Valley Road and St. Hwy. 89, Tahoe National Forest 1920 Comment
  SEINET12515144  Pinus monticola P. A. Lehenbauer 1936-10-4 s.n. Sierra Gold Lake Comment
  UC336029  Pinus monticola unknown 1887-8-1 Sierra Webber lake Comment
  RSA244722  Pinus washoensis J. T. Howell, Gordon H. True 1970-7-14 5498 Sierra Crystal Peak Loop Road ca. 0.5 mile west of Dog Valley Road near Dog Valley Campground. 1951 Comment
  SEINET5323928  Pinus washoensis D. A. Charlet, Chris Ross 1996-7-24 2303 Sierra Sierra Nevada. Bald Mountain Range; Cat Canyon. Near headwaters of Long Valley Creek. Great Basin drainage (Honey Lake). 2268 Comment
  UC1562437  Piperia unalascensis Lowell Ahart 1990-6-29 6530 Sierra s of Gold Run Creek (w of Poverty Hill (Poverty Hill Hydraulic Mine)) 1524 Comment
  UC186973  Piperia unalascensis C. F. Sonne Jul 1888 Sierra Bear Valley Truckee River Comment
  CAS-BOT-BC228034  Plagiobothrys L. Smith 1939-6-14 s.n. Sierra Along road, Sierra Valley, Tahoe National Forest Comment
  JEPS102814  Plagiobothrys cusickii Lowell Ahart 2001-8-10 9083 Sierra On the west side of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  UCD84227  Plagiobothrys cusickii Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  CAS-BOT-BC228232  Plagiobothrys hispidulus Alice Eastwood 1918-6-29 7875 Sierra Loyalton Comment
  CAS-BOT-BC228233  Plagiobothrys hispidulus John Thomas Howell; Gordon H. True 1970-7-14 5535 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  CHSC43395  Plagiobothrys hispidulus Lowell Ahart 1975-8-17 955 Sierra On a gravel bar, near Pass Creek, in Jones Valley, about 3 miles west and 2 miles south of Webber Lake. 2286 Comment
  SJSU8036  Plagiobothrys hispidulus N. A. Hopkins 1978-6-7 915 Sierra c. 2 mi NW of Sattley 1524 Comment
  UC1586494  Plagiobothrys scouleri Lowell Ahart 1991-7-22 6688 Sierra about 3 mi nw Webber Lake (about 0.25 mi s of Henness Pass Road); French Meadow 2133 Comment
  SJSU12113  Plagiobothrys tenellus N. A. Hopkins 1983-6-15 1139 Sierra Upper Long Valley W of Bordertown 1584 Comment
  SJSU9817  Plagiobothrys torreyi C. W. Sharsmith 1982-5-30 8668 Sierra 2 mi N of Sattley on Sattley-Beckwourth Rd, Sierra Valley 1524 Comment
  UC79570  Plagiobothrys torreyi var. diffusus J. G. Lemmon 1875-1 207 Sierra Comment
  SCFS2391  Plantago lanceolata J. Ammirati 1964-6-25 120 Sierra Ca 1 mi W of Downieville on Hwy 49 914 Comment
  SEINET9162886  Plantago lanceolata H. Hamlin 1904-1 s.n. Sierra Sierra Valley. Comment
  JEPS125747  Platanthera dilatata var. leucostachys William Harnach 2012-7-31 1279 Sierra Approximately 5.5 air miles SE of Yuba Pass on Highway 49. Comment
  RSA0094635  Platanthera leucostachys George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19504 Sierra Northern Sierra Nevada Mountains. Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir. Sagebrush area between coniferous forest and the Little Truckee River. 1770 Comment
  UCR257839  Platanthera leucostachys George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19504 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  JEPS112948  Platanthera sparsiflora Dean W. Taylor 2001-8-2 17890 Sierra bog on the north side of Forest Road 20N35 about 0.5 miles East of the intersection with County Road 690 (ca. 1 air mile NE of Union Hill) 1341 Comment
  SEINET10449171  Pleuricospora fimbriolata Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4467 Sierra Ca. 2 mi nw of Milton Reservoir, near Jackson Meadow Reservoir. Red Fir Forest; 2000 m. 2000 Comment
  SJSU11086  Pleuricospora fimbriolata R. L. Fisher 1959-6-26 Sierra Yuba Gap, Hwy 49 1676 Comment
  SEINET10590130  Poa Patrick B. Kennedy 1929-7-20 Kennedy s.n. Sierra Salmon Lakes above Lusk's meadow. 2042 Comment
  CHSC61942  Poa bolanderi Lowell Ahart 1993-9-24 7258 Sierra On the west side of the small stream on the north side of Mount Fillmore, about 1/2 mile south of the dirt road from Gibsonville to Johnsville. 2072 Comment
  JEPS75577  Poa bolanderi W. L. Jepson 1934-8-6 16863 Sierra Yuba Pass 2011 Comment
  UC1609252  Poa bolanderi Lowell Ahart 1993-9-24 7258 Sierra n side Mt Fillmore (1/2 mi s of dirt rd from Gibsonville to Johnsville, w side of stream) 2072 Comment
  UC34012  Poa bolanderi C. F. Sonne 1892-8-7 4 Sierra Webber Lake; Sierra Nevada Mts Comment
  CAS-BOT-BC254987  Poa bulbosa D. E. Breedlove 1962-6-13 3493 Sierra Along State Highway 89, 9.3 miles N of Sierraville 1524 Comment
  CAS-BOT-BC254989  Poa bulbosa John Thomas Howell 1962-6-18 37831 Sierra Sattley 1524 Comment
  UCD90826  Poa bulbosa Grady L. Webster 1990-5-13 7730 Sierra gravelly flats in Sierra Valley, 0.5 mi. west of Sierraville. 1508 Comment
  SEINET7749861  Poa cusickii P. A. Lehenbauer 1935-5-25 s.n. Sierra Sierra Valley Comment
  CHSC61903  Poa cusickii subsp. epilis Lowell Ahart 1993-9-10 7216 Sierra On the north side of a ridge, on the north side of Mount Fillmore, about 1 1/2 miles south of the dirt road from Gibsonville to Johnsville. 2316 Comment
  UCD90932  Poa cusickii subsp. epilis Beecher Crampton 1958-6-24 4941 Sierra along the Little Truckee River, 12 miles south of Sierraville. 1828 Comment
  UC1153801  Poa palustris Beecher Crampton 1957-7-24 4420 Sierra 4 mi ne Sattley (Van Vleck Ranch); Sierra Valley Comment
  SEINET7850276  Poa pratensis P. A. Lehenbauer 1937-1 121 Sierra 25 miles west of Reno on Truckee Road at Iceland, on south side of river by falls 1676 Comment
  UCD91838  Poa pratensis A. A. Beetle 1944-8-17 3057 Sierra north fork of Yuba River, 8 miles below Downieville. Comment
  SEINET7850303  Poa pratensis I. LaRivers 1960-6-22 s.n. Sierra Locality information not provided Comment
  CDA11877  Poa secunda G. F. Hrusa, J. Jokerst 1991-7-5 8538 A Sierra Sierra Valley Region; on Golden Dome, W side of Antelope Valley. Comment
  CDA11890  Poa secunda G. F. Hrusa, J. Jokerst 1991-7-5 8550 A Sierra Sierra Valley Region; Antelope Valley, about Golden Dome. Comment
  RSA719208  Poa secunda L. Ahart 2006-6-21 12831 Sierra about 2.5 miles (by road) west of Forest. 1398 Comment
  CAS-BOT-BC236291  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5408 Sierra Sierra Valley, 1.5 miles N of Sattley, on Feather River road 1524 Comment
  CAS-BOT-BC247065  Poa secunda subsp. juncifolia Catherine Best 1981-6-17 s.n. Sierra Sierra Valley 1 mi. W of Sierraville on Highway 89 Comment
  CAS-BOT-BC247082  Poa secunda subsp. juncifolia Catherine Best 1984-6-18 989 Sierra Near the Little Truckee River about two miles north of the Nevada Co. Sierra Co. line Comment
  SEINET7856234  Poa secunda subsp. juncifolia P. B. Kennedy, S. B. Doten 1901-7-18 182 Sierra Mt. Lola Comment
  SEINET7859330  Poa secunda subsp. juncifolia P. A. Lehenbauer 1937-6-8 87 Sierra 25 miles West of Reno, Nevada on Truckee river, at Iceland, South side of river by falls 1676 Comment
  CAS-BOT-BC243205  Poa secunda subsp. secunda Lowell Ahart 1978-6-4 s.n. Sierra 4 miles S of Alleghany 1300 Comment
  JEPS110364  Poa secunda subsp. secunda Lowell Ahart 2006-6-21 12831 Sierra Along the road, about 2 1/2 miles (by road) west of Forest 1397 Comment
  JEPS70658  Poa secunda subsp. secunda Leland S. Smith 1926-4-13 1773 Sierra Alleghany Rd, above crossing Alleghany Rd; Tahoe Forest 609 Comment
  SEINET7873715  Poa secunda subsp. secunda W. Harnach, N. Harnach 1989-5-18 099 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch (home). 1506 Comment
  UC717972  Poa secunda subsp. secunda David D. Keck 1944-7-8 5411 Sierra 1.5 mi n Sattley (on Feather River Rd); Sierra Nevada, Sierra Valley 1524 Comment
  UCD90464  Poa secunda subsp. secunda Collector Unknown Date Unknown s.n. Sierra Sierra Valley. Comment
  SEINET7862749  Poa secunda subsp. secunda P. A. Lehenbauer 1937-6-8 88 Sierra 25 miles West of Reno, Nevada on Truckee river, at Iceland, S side of river by falls. 1676 Comment
  SEINET3287501 Image available Poa tenerrima George K. Helmkamp, E. A. Helmkamp 2009-5-28 14848 Sierra Northern Sierra Nevada Foothills; along CA-49, 1.8 miles north of the Yuba County line. 884 Comment
  UCD32537  Poa wheeleri Beecher Crampton 1954-5-10 1855 Sierra Sierra County, east slope Yuba Pass, 3 miles west of Sattley, along highway 49. 1767 Comment
  SEINET7875879  Poa wheeleri P. B. Kennedy, S. B. Doten 1901-7-10 139 Sierra Canyon below Webber Lake. Comment
  SEINET7249321  Poaceae George K. Helmkamp, Elizabeth Helmkamp 2013-1 Sierra Comment
  UC1586398  Polemonium californicum Lowell Ahart 1991-7-22 6694 Sierra about 1/4 mi s Henness Pass Road (French Meadow, about 3 mi nw of Webber Lake); nw of Webber Lake, French Meadow, s of Henness Pass Rd. 2133 Comment
  SEINET3086527 Image available Polemonium micranthum C. W. Sharsmith 1967-5-20 7530 Sierra By Sierraville-Loyalton road; 5 miles north of Sierraville, Sierra Valley. 1478 Comment
  SEINET10496910  Polemonium occidentale Heidi H. Schmidt 1993-6-13 Schmidt 853 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Sagebrush flats, meadow. 1650 Comment
  SEINET6186082  Polyctenium fremontii var. fremontii W. Harnach 2012-3-26 1296 Sierra Sierra Valley, 5.25 miles W of Loyalton on Hwy 49. 1497 Comment
  UC1192323  Polygonum amphibium var. stipulaceum Malcolm A. Nobs and S. Galen Smith 1949-8-21 1523 Sierra Island School Sierra Valley Comment
  JEPS117454  Polygonum arenastrum Lowell Ahart 2010-9-15 17167 Sierra Open areas, about 5 yards west of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  SEINET4337882  Polygonum aviculare subsp. aviculare W. Harnach, N. Harnach 1990-7-29 480 Sierra Sierra Valley approx. 1/4 mile south of the Plumas-Sierra county line on county road A-23 Comment
  CAS-BOT-BC413947  Polygonum aviculare subsp. aviculare W. Harnach; N. Harnach 1990-7-29 480 Sierra Sierra Valley. Approx. 1/4 mile south of the Plumas-Sierra Co. line on co. rd. A-23 1502 Comment
  JEPS50502  Polygonum bistortoides Dr. Hunt 1872-2 Sierra Indian Valley; Sierra Valley and northward Comment
  CAS-BOT-BC414583  Polygonum douglasii Lowell Ahart 1982-7-28 3721 Sierra North of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  JEPS118419  Polygonum douglasii subsp. douglasii Lowell Ahart 2011-9-23 17710 Sierra Growing on a gravel bar on the south side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2015 Comment
  SEINET4335365  Polygonum minimum K. Burnstad 1974-9-14 s.n. Sierra Sierra Nevada, Nelson Creek, Plumas Nat. Forest 1981 Comment
  SD61127  Polygonum phytolaccifolium Darley F. Howe 1964-7-28 3888 Sierra 5.5 mi. so. Of Gold Lake Lodge, Tahoe Nat. Forest 1829 Comment
  CHSC85489  Polygonum polygaloides subsp. esotericum G. F. Hrusa; E. Sandoval 1993-5-30 11160 Sierra Sierra Valley region. Flats at E base of 'Golden Dome.' E side of Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). [Original lat./long. on label is '39 39 N; 120 16 W']. 1650 Comment
  JEPS125800  Polygonum polygaloides subsp. kelloggii William Harnach 2000-5-22 896 Sierra 1.25 mile North of the intersection of A-23 and Calpine Road Comment
  CHSC110667  Polygonum shastense L. P. Janeway; Tim Hanson, Emily Meigs 2013-8-22 11193 Sierra Northern High Sierra Nevada. Plumas National Forest; along the ridgeline trending north from the top of Mt. Fillmore, 940 m from the top. 2143 Comment
  CAS-BOT-BC421057  Polygonum spergulariiforme W. Harnach; N. Harnach 1989-6-27 184 Sierra Sierra Valley. Calpine Ranch (home). 1505 Comment
  CAS-BOT-BC421059  Polygonum spergulariiforme John Thomas Howell 1955-7-20 30883 Sierra Near Calpine 1508 Comment
  SEINET4335269  Polygonum spergulariiforme M. J. Williams 1976-8-29 76 -106 Sierra Intersection Verdi Peak Rd. and Henness Pass Rd. 1920 Comment
  CHSC94176  Polystichum imbricans subsp. imbricans Lowell Ahart 2006-6-21 12820 Sierra On the north side of the Foote Road, near Blue Ravine, about 1.3 miles (by road) southwest of Alleghany. By a large rock. 1305 Comment
  JEPS110224  Polystichum imbricans subsp. imbricans Lowell Ahart 2006-6-21 12820 Sierra On the north side of the Foote Road, near Blue Ravine, about 1.3 miles (by road) southwest of Alleghany. By a large rock 1305 Comment
  UC1259223  Polystichum kruckebergii Alan Smith with C. D. MacNeill 1975-8-9 668 Sierra e side of larger peaks at base of Buttes Sierra Buttes 2286 Comment
  UC1321885  Polystichum kruckebergii Robert M. Lloyd, T. F. Niehaud, and Jack Major 1966-7-9 4007 Sierra e base of n cliff of s butte Sierra Buttes 2438 Comment
  CHSC115183  Polystichum munitum Lowell Ahart 2015-5-9 20154 Sierra Road or trail cut, on the north side of the Canyon Creek Trail, about 50 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about one mile west of Highway 49, about 2 miles west of Indian Valley. 716 Comment
  UCR206554  Polystichum munitum George K. Helmkamp, E. A. Helmkamp 2009-5-28 14849 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  CAS-BOT-BC136684  Populus balsamifera subsp. trichocarpa D. H. Wilken; E. L. Painter; M. Wetherwax 2007-6-17 16750 Sierra East end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake, Sierra Buttes 1985 Comment
  CHSC46514  Populus balsamifera subsp. trichocarpa Lowell Ahart 1981-6-23 2879 Sierra Wallace Creek, on the north side of the dirt (county) road, about 4 miles north-east of La Porte. 1645 Comment
  SEINET10538871  Populus balsamifera subsp. trichocarpa Heidi H. Schmidt 1993-6-12 Schmidt 845 Sierra Tahoe National Forest. Road to Weber Lake. 6.4 miles W of state highway 89. 1970 Comment
  UC1134811  Populus tremuloides A. Lewis 1934-7-11 507 Sierra 1 mi ne Table Rock; Plumas National Forest, Downieville Quad., ne of Table Rock Comment
  CAS-BOT-BC105517  Populus trichocarpa W. R. Dudley 1909-8-27 s.n. Sierra South east border Sierra Valley Comment
  CAS-BOT-BC105519  Populus trichocarpa Peter H. Raven 1964-6-30 19609 Sierra Along a stream 6.4 miles west of Yuiba Pass on State Highway49. 1737 Comment
  UC973841  Porterella carnosula Herbert L. Mason 1952-7-19 14439 Sierra 1.5 mi e Calpine (near junction of Sierraville-Beckwith road and Calpine Road); Sierra Valley Comment
  SEINET10460778  Porterella carnosula Lemmon LEMMON s.n. Sierra Sierra Valley Comment
  SEINET10873427  Porterella carnosula Rimo Bacigalupi 1953-7-7 Bacigalupi 4274 Sierra Edge of swamp not far from a grove of Jeffrey Pines, just 1 mile east of Calpine, Sierra Valley 1494 Comment
  SEINET8040796  Porterella carnosula H. L. Mason 1952-7-19 14439 Sierra Sierra Valley, margins of marshy pond 1.5 miles E of Calpine, near junction of Sierraville-Beckwith road and Calpine road. Comment
  CAS-BOT-BC452086  Potamogeton alpinus W. R. Dudley 1894-8-1 s.n. Sierra In Webber Lake Comment
  CAS-BOT-BC452088  Potamogeton alpinus W. R. Dudley 1894-8-1 s.n. Sierra In Webber Lake Comment
  UC965618  Potamogeton gramineus Herbert L. Mason 1952-7-19 14456 Sierra 1.5 mi e of Calpine (at junction of Calpine with Sierraville-Beckwourth Road); Sierra Nevada, Sierra Valley 1524 Comment
  CHSC43999  Potamogeton natans L. P. Janeway 1984-8-25 1058 Sierra Snag Lake. Near shore. 2026 Comment
  RSA286296  Potamogeton natans Robert F. Thorne 1974-7-30 45064 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2057 Comment
  CAS-BOT-BC267225  Potamogeton praelongus W. R. Dudley 1894-8-1 s.n. Sierra In Weber Lake Comment
  SEINET11916389  Potentilla fruticosa J. G. Lemmon 1874-1 = Sierra Sierra Co., &c., Comment
  SEINET10736924  Potentilla glandulosa subsp. reflexa Andrew Townesmith, Karen M. Meyer 2007-7-16 Townesmith 816 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 1.1 miles west of junction with county road 860. T19N R16E S11 E 1/2. 1916 Comment
  CHSC43995  Potentilla gracilis var. fastigiata L. P. Janeway 1984-8-18 1016 Sierra In drainage channel of meadow at second switchback (towards southeast) down from Packers Saddle. 1981 Comment
  CAS-BOT-BC541005  Potentilla gracilis var. fastigiata Catherine Best 1984-6-19 1000 Sierra Sierra Valley, 1/2 mile west of Sierraville on Hwy. 89 Comment
  CAS-BOT-BC541007  Potentilla gracilis var. fastigiata D. E. Breedlove 1962-6-13 3500 Sierra In meadow along State Highway 89, 4.2 miles north of Sierraville 1524 Comment
  CAS-BOT-BC541009  Potentilla gracilis var. fastigiata Leah D. McKee 1981-5-16 046 Sierra Marsh at Jct. A 23 &Hot Springs Rd. 1066 Comment
  CAS-BOT-BC541010  Potentilla gracilis var. fastigiata Lewis S. Rose 1934-7-19 34387 Sierra Meadow; Gold Lake 1950 Comment
  CAS-BOT-BC158511  Potentilla millefolia D. E. Breedlove 1962-6-13 3499 Sierra Along State Hwy. 89, 4.2 miles north of Sierraville 1524 Comment
  UC1368483  Potentilla millefolia R. K. Gierisch 1969-6-25 3482 Sierra Saddle Meadow Tahoe National Forest, Saddle Meadow 1950 Comment
  SEINET10685194  Potentilla rivalis Karen M. Meyer, Andrew Townesmith 2007-7-15 Meyer 118 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  CAS-BOT-BC47624  Primula suffrutescens Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  UCD119034  Primula suffrutescens Gerald Dickinson 1963-7-14 95 Sierra Above Young America Lake, 2 miles due north of Sierra City, State Highway 49. 2407 Comment
  CHSC37643  Prunus emarginata T. B. Devine 1981-8-15 741 Sierra Gold Lakes Road, ca. 4 mi N of Sand Pond. 2026 Comment
  RSA8033  Prunus emarginata H. A. Barker 1927-7-5 775 Sierra Gold Lake. Comment
  UCD113192  Prunus emarginata R. O. Hanes 1992-9-28 97 Sierra Lemmon Canyon. 1706 Comment
  UCD38336  Prunus emarginata Beecher Crampton 1954-5-11 1895 Sierra 1 miles west of Bassett's, along Hwy. 49. Comment
  SEINET7347140  Prunus emarginata P. A. Lehenbauer 1937-6-8 60 Sierra 25 miles west of Reno, on Truckee River at Iceland 1676 Comment
  CAS-BOT-BC154672  Prunus subcordata W. R. Dudley 1909-8-29 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC154673  Prunus subcordata P. C. Everett; E. K. Balls 1954-10-8 20248 Sierra Hwy 49, Downieville to Sierra City, 7.7 mi. e. of Downieville 1219 Comment
  CAS-BOT-BC151222  Prunus virginiana var. demissa P. A. Lehenbauer 1937-6-8 53 Sierra 25 mi. w. of Reno, on Truckee R., at Iceland, s. side of river by falls. 1676 Comment
  CAS-BOT-BC151223  Prunus virginiana var. demissa W. R. Dudley 1909-8-27 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC357398  Pseudognaphalium microcephalum Roxana S. Ferris 1953-11-8 12701 Sierra About 1 mile from Sierraville on road to Sierra Buttes Comment
  CAS-BOT-BC357402  Pseudognaphalium microcephalum Margaret Williams 1972-8-27 s.n. Sierra Merrill Valley just north of Stampede Dam 2011 Comment
  POM358888  Pseudognaphalium thermale Britton, Robert W. Townsend 1939-8-24 138 Sierra North bank of Yuba River, 7 miles above Sierra City 1674 Comment
  CDA11858  Pseudostellaria jamesiana G. F. Hrusa, J. Jokerst 1991-7-5 8558 A Sierra Sierra Valley Region; E base of Golden Dome. Antelope Valley approx. 3 miles S of Sierra Valley. Comment
  UC1070078  Psilocarphus brevissimus var. brevissimus H. S. Yates 1935-6-28 5268 Sierra 5.25 mi nne Sattley; Sierraville Quad. 1493 Comment
  CAS-BOT-BC361901  Psilocarphus tenellus Catherine Best 1981-6-18 s.n. Sierra Meadow at Yuba Summit 2042 Comment
  CHSC108093  Pterospora andromedea Lowell Ahart 2011-9-23 17715 Sierra Forest floor, west of a small stream that flows into Pass Creek, about 100 yards north of Pass Creek, about 300 yards south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake. 2016 Comment
  CHSC53197  Pterospora andromedea L. P. Janeway 1989-8-18 3612 Sierra Plumas National Forest, Beckwourth Ranger District. Sulphur. Flat top of small spur ridge 1/2 mi SE of Chapman Saddle, overlooking Sulphur Cr. 1996 Comment
  CHSC54562  Pterospora andromedea Lowell Ahart 1991-7-29 6699 Sierra On the west side of Negro Creek, west of Burlington, about 1 miles north-east of Harris Meadow, about 1-1/4 miles north-east of Granite Mountain. 1828 Comment
  SEINET10736130  Pterospora andromedea Andrew Townesmith, Karen M. Meyer 2007-7-18 Townesmith 824 Sierra Tahoe National Forest, Sierraville Ranger District. Vicinity of Little Truckee Summit Picnic/Off Road Vehicle Area, at intersection of state route 89 and Forest Service road 07. T19N R15E, at edge of sections 11 and 14. 1958 Comment
  CAS-BOT-BC460542  Pterospora andromedea Mrs. E. C. Sutliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  UCD38328  Purshia tridentata Beecher Crampton 1954-5-10 1861 Sierra 1.5 miles north of Sattley, Highway 89. Comment
  CAS-BOT-BC147887  Purshia tridentata var. tridentata Alice Eastwood 1918-6-29 7871 Sierra Loyalton Comment
  CAS-BOT-BC147889  Purshia tridentata var. tridentata Catherine Best 1981-6-17 s.n. Sierra Highway 89 12 miles north of Truckee Comment
  OBI10028  Purshia tridentata var. tridentata Eamor C. Nord 1957-8-20 N 78 Sierra 4 mi ENE of Hobart MIlls S8T1 *N R17E 2286 Comment
  POM275324  Purshia tridentata var. tridentata Lyman D. Benson, J. W. Morrison s.n. Sierra Sierra Nevada Mtn. Range, near Sierra Valley River and Loyalton 1524 Comment
  CHSC36286  Pycnanthemum californicum M. S. Taylor; R. Wessel 1982-8-20 5031 Sierra At Big Springs (Lavezolla fountain) on w side of Hwy 49, ca. 3 air mi ne of Sierra City. Comment
  UC450426  Pycnanthemum californicum J. G. Lemmon Sierra Gold Lake; High Sierra, Gold Lake Comment
  SEINET10499006  Pycnanthemum californicum Mary Susan Taylor, R. Wessel 1982-8-20 Taylor 5031 Sierra T20N R12E se sec 15. Sierra City quad. At Big Springs (Lavezolla fountain), on w side of Hwy 49, ca. 3 air mi ne of Sierra City. Riparian. Comment
  CAS-BOT-BC462900  Pyrola asarifolia Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Horse Lake Comment
  JEPS125803  Pyrola asarifolia subsp. asarifolia William Harnach 2011-7-20 1249 Sierra South side of the North Fork of the Yuba River approx. 1/4 mile east of the Sierra Nevada Field Campus. Comment
  CHSC53044  Pyrola picta L. P. Janeway 1989-8-10 3570 Sierra Plumas National Forest. Haskell Pk overlooking Hwy 89/Sulphur Cr. 2133 Comment
  RSA0083259  Pyrola picta E. B. Copeland 1903-8-16 3921 Sierra Mt. Shasta & Mt. Eddy. 1219 Comment
  JEPS23649  Pyrrocoma hirta var. lanulosa Robert Ornduff 1957-7-22 4352 Sierra in meadow about 200 ft e Independence Lake (near road leading from Hwy 89) Comment
  JEPS22191  Pyrrocoma lucida W. L. Jepson 1918-8-18 8051 Sierra Sierra Valley 1524 Comment
  UC35841  Pyrrocoma racemosa var. paniculata C. F. Sonne 1892-7-10 7 Sierra Sardine Valley Sierra Nevada Mountains Comment
  UCD133727  Pyrrocoma racemosa var. paniculata Beecher Crampton 1957-7-24 4414 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  JEPS124688 Image available Quercus chrysolepis G. R. Ostrander 1965-6-29 24 Sierra Found a rise above the road at the junction of Hiway 49 and the county road to Goodyear's Bar. Comment
  HSC8267  Quercus kelloggii R. G. Means 1962-6-22 17 Sierra 2.3 mi. E of Downieville, Hwy. 49 915 Comment
  RSA726429  Quercus kelloggii L. Ahart 2007-10-25 14503 Sierra About 1.5 miles north of Scales, about 5 miles (air) south of La Porte. 1433 Comment
  RSA11910  Quercus vacciniifolia Elmer I. Applegate 1921-9-7 3379 Sierra Gold Lake. 2134 Comment
  UC848339  Quercus vacciniifolia Lewis S. Rose 1934-7-12 34349 Sierra Gold Lake 1950 Comment
  CHSC63117  Raillardella argentea Lowell Ahart 1994-7-1 7436 Sierra On the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 2011 Comment
  JEPS87823  Raillardella argentea Lowell Ahart 1994-7-20 7475 Sierra open bare area n Pacific Crest Trail (n side of ridge, about 1/2 mi nw of Mt. Etna, Plumas and Sierra Cos.); Bunker Hill Ridge 1981 Comment
  CHSC57268  Raillardella scaposa L. P. Janeway 1984-8-11 978 Sierra Northwest of Sierra Buttes. 2316 Comment
  CAS-BOT-BC380419  Ranunculus alismifolius var. hartwegii J. G. Lowman s.n. Sierra Sierra Valley Comment
  CHSC23903  Ranunculus alismifolius var. lemmonii L. Skjelstad 1975-2-20 1 Sierra Ca. 200 m. east of Long Valley Creek, 15 mi. n of Reno, Nevada. 1584 Comment
  CHSC64648  Ranunculus aquatilis var. capillaceus H. H. Schmidt; M. Merello, L. Woodruff 1993-6-13 851 Sierra Tahoe National Forest on state highway 89. 1.7 miles N of Sierraville. Meadow. [Original latitude and longitude is '39 degrees 35' 75' N; 120 degrees 23' 88' W']. 1650 Comment
  RSA286297  Ranunculus flammula var. ovalis Robert F. Thorne 1974-7-30 45058 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  SEINET5338701  Ranunculus glaberrimus var. glaberrimus P. A. Lehenbauer 1924-3-15 572 Sierra Balls Canyon- NW of Reno. Comment
  SEINET5338815  Ranunculus occidentalis P. A. Lehenbauer 1927-6-15 1448 Sierra Dog Valley grade, near spring. Comment
  SJSU6443  Ranunculus occidentalis N. A. Hopkins 1971-6-14 384 Sierra near rd to Lemon Canyon, 1.5 mi SE of Sierraville 1584 Comment
  SEINET5338835  Ranunculus occidentalis var. ultramontanus K. Walker 1954-5-13 23 Sierra Found on the Valley floor of Dog Valley in the meadows along streams. 15 miles from Reno on the Donner Trail. 1402 Comment
  POM268802  Ranunculus orthorhynchus Betty J. Jorgensen 1944-6-22 483 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  RSA19460  Rhamnus purshiana H. A. Barker 1926-1 s.n. Sierra Vicinity of Gold Lake Comment
  UC1121933  Rhamnus rubra G. Burks 1933-7-5 12 Sierra 3 mi se Camptonville; Tahoe National Forest, Smartsville Quad. 944 Comment
  UCR54284  Rhododendron occidentale B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0939 Sierra Tahoe National Forest, 3.5 mi east of Downieville on Hwy 49. 1220 Comment
  UC329957  Ribes Lemmon 1889-6-5 Sierra near Gold Lake Comment
  UC466049  Ribes C. F. Sonne 1896-5-10 5784 Sierra below Verdi (at R.R. cut) Comment
  CAS-BOT-BC108762  Ribes cereum Catherine Best 1981-6-19 s.n. Sierra Sierra Nevada. Highway 89, 2 miles west of Yuba Summit. Comment
  CAS-BOT-BC108763  Ribes cereum Margaret Williams; Arnold Tiehm s.n. Sierra Meadow near Cold Creek Campground, southeast of Sierraville. 1737 Comment
  SEINET5766039  Ribes cereum W. Harnach, N. Harnach 1993-7-11 747 Sierra On top of Lincoln Ridge, south of Yuba Pass. Western edge project area. 2316 Comment
  SJSU14246  Ribes cereum N. A. Hopkins 1989-7-1 1545 Sierra c. 7 mi S of Yuba Pass on rd to Weber L 2316 Comment
  UC54304  Ribes cereum H. M. Hall and E. B. Babcock July, 1903 4516 Sierra Howard Creek Sierra Nevada Mountains 2133 Comment
  SEINET5766067  Ribes cereum S. B. Doten 1901-7-1 s.n. Sierra [Sierra Nevada] Webber Lake Comment
  UCD160667  Ribes cereum var. cereum Kai Battenberg; Alison M. Berry, Jannah Wren 2015-6-26 KB- 12 Sierra Collected in Sagehen Creek Field Station. Off of Holcombs Road. 100m on County Road 11. 2002 Comment
  SJSU14249  Ribes montigenum N. A. Hopkins 1989-8-29 1579 Sierra below Coburn L, Berry Cr drainage, c. 5 mi S of Yuba Pass 2255 Comment
  CAS-BOT-BC219257  Ribes nevadense Elmer I. Applegate 1921-9-7 s.n. Sierra Gold Lake 1981 Comment
  CAS-BOT-BC219259  Ribes nevadense M. Lavin 1982-6-27 4154 Sierra Salmon Lake just N of Sierra Buttes, 13 miles from Portola 1981 Comment
  JEPS125725  Ribes nevadense William Harnach 2015-4-13 1402 Sierra 1.25 miles North of the Yuba-Sierra County line on Highway 49. Comment
  RSA0023149  Ribes nevadense H. A. Barker 1927-6-22 722 Sierra Above Squaw Lake. 2073 Comment
  SEINET5339731  Ribes nevadense P. A. Lehenbauer 1937-6-8 93 Sierra 25 mi w of Reno, on Truckee River, at Iceland, Sierra Co., s. side of river by falls 1676 Comment
  JEPS49183  Ribes roezlii W. L. Jepson 1934-8-3 16836 Sierra 2 mi e Bassetts sta. (Pioneer road sta.); North Fork Yuba River 1706 Comment
  SJSU12133  Ribes roezlii N. A. Hopkins 1975-5-9 643 Sierra by Woodruff Cr 1 mi S of Goodyears Bar 853 Comment
  UCD40240  Ribes roezlii Rodney Gale Myatt 1972-6-1 1582 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  RSA0018038  Ribes roezlii Robert Gustafson 1985-6-11 3151 Sierra Forest Service Road 12, ca 5 miles S from the junction of highway 49, Yuba Pass summit area. 2134 Comment
  CAS-BOT-BC186282  Ribes roezlii var. roezlii Alice Eastwood 1918-4-6 6768 Sierra Downieville Comment
  CAS-BOT-BC186283  Ribes roezlii var. roezlii L. S. Smith 1926-4-12 1761 Sierra Tahoe National Forest, Rebel Ridge, Camptonville District 701 Comment
  CAS-BOT-BC198940  Ribes roezlii var. roezlii W. Harnach; N. Harnach 1990-5-13 312 Sierra Martinette Ranch, Sierra Valley 1517 Comment
  SEINET5339822  Ribes velutinum P. A. Lehenbauer 1933-5-24 1630 Sierra [Sierra Nevada] Balls Canyon Comment
  SEINET11541954  Rorippa curvipes var. curvipes P. B. Kennedy, S. B. Doten 1901-7-8 113 Sierra NE of Webber Lake. Comment
  CAS-BOT-BC74664  Rorippa curvisiliqua W. R. Dudley 1909-8-29 s.n. Sierra Icehouse Pond, Sierra Valley. Comment
  UC1561382  Rorippa curvisiliqua Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7224 Sierra Kyburz Flat ca 12 airmi n Truckee (head of Little Truckee River, ca 1.5 mi e of Highway 89 on Tahoe National Forest Rd S450); Tahoe Natl Forest, Kyburz Flat, head Little Truckee River 1920 Comment
  UCD84064  Rorippa curvisiliqua Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra County. Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  CHSC82368  Rosa gymnocarpa Lowell Ahart 2002-6-13 9717 Sierra On the south side of the dirt road to Harris Meadow, about 0.6 mile northeast of the intersection (where the pavement ends) to Harris Meadow and the county road to Middlewaters and Milton Reservoir, about 5 1/2 miles (air) northeast of Alleghany. 1696 Comment
  CAS-BOT-BC148265  Rosa woodsii var. ultramontana Alice Eastwood 1918-6-29 7807 Sierra Loyalton Comment
  SEINET7704244  Rosa woodsii var. ultramontana I. LaRivers 1960-6-22 s.n. Sierra Verdi Comment
  UC1128610  Rosa woodsii var. ultramontana G. T. Nordstrom 1936-7-9 930 Sierra 2 mi nw Dog Valley; Tahoe National Forest, Sierraville Quadrangle Comment
  SEINET7704508  Rosa woodsii var. ultramontana P. A. Lehenbauer 1937-6-8 103 Sierra 25 mi W of Reno, NV on Truckee River, at Iceland, S side of river by falls 1676 Comment
  CAS-BOT-BC383094  Rosaceae Andrew Townesmith; Karen M. Meyer 2007-7-16 821 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 5.7 miles east of junction with county road 860. At pull out for Kyburz Marsh Wildlife Viewing Area 1931 Comment
  JEPS125758  Rubus armeniacus William Harnach 2013-7-3 1372 Sierra Approximately 150 yards along the Pacific Crest Trail, just south of the intersection with Highway 49, NorthEast of Sierra City, CA Comment
  SEINET7705862  Rubus parviflorus P. B. Kennedy 1901-7-19 191 Sierra Canyon West of Lincoln Valley Comment
  LA83705  Rubus spectabilis O. H. Kappler; 1946-7-20 1333 Sierra Yuba Riverbank 822 Comment
  JEPS4753  Rudbeckia californica W. L. Jepson 1934-7-30 16777 Sierra 6 mi above Downieville 1066 Comment
  CAS-BOT-BC363222  Rudbeckia occidentalis Peter H. Raven 1964-6-30 19613 Sierra Along the canyon of the North Fork of the Yuba River, 4.6 miles east of Downieville on State Highway 49 Comment
  SEINET4206295  Rumex acetosella W. Harnach, N. Harnach 2000-7-4 939 Sierra Sierra Valley, about 1.2 mile north of Coburn Lake at the end of access road 2190 Comment
  CAS-BOT-BC494131  Rumex acetosella W. Harnach; N. Harnach 2000-7-4 939 Sierra Sierra Valley. 1/2 mi N of Coburn Lake at the end of access road 2188 Comment
  JEPS125708  Rumex obtusifolius William Harnach 2015-9-2 1449 Sierra 1.6 miles NE on Highway 49 from Yuba-Sierra Co. line, then approximately 1 mile on the Indian Hill Road. Comment
  SEINET4182559  Rumex paucifolius W. Harnach, N. Harnach 1994-5-15 773 Sierra Sierra Valley, north end of property approx 100 yards north of 6' dia. pine snag, Calpine Ranch (home) 1503 Comment
  CHSC92034  Rumex salicifolius var. triangulivalvis Lowell Ahart 2005-8-30 12341 Sierra On a gravel bar, on the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2032 Comment
  JEPS102819  Rumex salicifolius var. triangulivalvis Lowell Ahart 2001-8-10 9087 Sierra About 100 feet SE of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  JEPS16711  Rumex salicifolius var. triangulivalvis Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4269 Sierra near Calpine; Sierra Valley 1493 Comment
  CHSC85313  Sagina saginoides John Dittes; Josephine Guardino, Lowell Ahart 2003-7-31 2003 -76 Sierra Northern High Sierra Nevada; ca. 4.8 air-mile southwest of Sierra City, ca. 6.0 air-mile east by southeast of Downieville, ca. 6.5 air-mile northwest of Bowman Lake; Negro Canyon Creek at crossing of poor 4-wheel-drive road. At creek edge. 1682 Comment
  CAS-BOT-BC102846  Salix boothii W. R. Dudley 1900-6-20 5398 Sierra Upper Valley - Little Truckee River Comment
  CAS-BOT-BC102848  Salix boothii W. R. Dudley 1900-6-21 5473 Sierra Webber Lake to Sierraville head of Sierraville Brook Comment
  CAS-BOT-BC103634  Salix eastwoodiae G. Earle Kelley 1919-1-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC103642  Salix eastwoodiae H. Albert Barker July 5 58 Sierra Summit Lake (largest) Comment
  CAS-BOT-BC103643  Salix eastwoodiae W. R. Dudley 1900-6-21 5405 Sierra north end of Webber Lake Comment
  CAS-BOT-BC103656  Salix eastwoodiae John Thomas Howell 1969-9-13 46120 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CHSC66821  Salix eastwoodiae Vernon H. Oswald; Lowell Ahart. 1996-8-19 8220 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.5 mi S of the road to Haypress Valley. 2194 Comment
  JEPS95769  Salix eastwoodiae George Argus and Susan D'Alcamo 1998-7-23 13803 Sierra Coburn Lake Comment
  UC1408968  Salix eastwoodiae R. F. Thorne and C. W. Tilforth 1969-9-6 39197 Sierra between Goose and Snag Lakes (margin of Haven Lake) 1950 Comment
  UC67113  Salix eastwoodiae P. B. Kennedy 1901-7-23 221 Sierra Lincoln Valley, CA Comment
  CAS-BOT-BC107939  Salix geyeriana D. E. Breedlove 1962-6-13 3522 Sierra Along the Little Truckee River, 10.0 miles south of Sierraville on State Highway 89 - Sierra Nevada 1950 Comment
  SEINET10391742  Salix geyeriana G. W. Argus, S. D'Alcamo 1998-7-23 13797 Sierra Freeman Meadow on Church Creek, ca 0.5 mile due E of Haven Lake. Comment
  CAS-BOT-BC107660  Salix jepsonii Lowell Ahart 1978-7-29 s.n. Sierra On the north side of Mt. Fillmore, on moist rocky soil. 2300 Comment
  JEPS117450  Salix laevigata Lowell Ahart 2010-9-15 17187 Sierra On the northwest edge of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  CAS-BOT-BC128179  Salix lasiandra subsp. caudata L. S. Smith 1931-8-27 2626 Sierra French Meadow Comment
  CAS-BOT-BC125436  Salix lasiandra var. lasiandra Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon [Lakes] Lake Comment
  CAS-BOT-BC125438  Salix lasiandra var. lasiandra Peter H. Raven 1964-6-30 19605 Sierra 6.4 miles south of Sierraville on State Highway 89 1737 Comment
  CAS-BOT-BC125441  Salix lasiandra var. lasiandra W. R. Dudley 1909-8-25 s.n. Sierra Sierraville Comment
  CAS-BOT-BC124522  Salix lasiolepis var. lasiolepis Alice Eastwood 1918-4-6 6787 Sierra Downieville Comment
  CAS-BOT-BC124523  Salix lasiolepis var. lasiolepis Alice Eastwood 1918-4-6 6762 Sierra Downieville Comment
  CAS-BOT-BC124531  Salix lasiolepis var. lasiolepis Alice Eastwood 1918-4-6 6766 Sierra Downieville Comment
  CAS-BOT-BC124870  Salix lemmonii Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC124874  Salix lemmonii Peter H. Raven 1964-6-30 19604 Sierra 6.4 miles south of Sierraville on State Highway 89 1737 Comment
  CAS-BOT-BC124891  Salix lemmonii W. R. Dudley 1900-6-20 5284 Sierra west of Independence Hotel Comment
  RSA237989  Salix lemmonii Frederick W. Oettinger 1969-7-14 1017 -b Sierra N facing slope between Charmaine Lake and Abbotts Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  UC501408  Salix lemmonii L. S. Smith 1932-5-25 2662 Sierra along stream from Babbit Srping; Tahoe Forest 2255 Comment
  UC501412  Salix lemmonii L. S. Smith 1932-8-11 2663 a Sierra Sec. T. and R, Thompson Meadow Tahoe National Forest 2255 Comment
  UC449848  Salix ligulifolia L. S. Smith 1931-5-22 8 Sierra along Little Truckee R. at crossing of road to Sierraville; Tahoe Nat'l Forest, Little Truckee R. 1828 Comment
  RSA176572  Salix lucida subsp. lasiandra Peter H. Raven 1964-6-30 19605 Sierra Stream 6.4 miles S of Sierraville on State Hwy 89. 1738 Comment
  JEPS88149  Salix orestera Vernon H. Oswald and Lowell Ahart 1996-8-19 8231 Sierra ca 1.5 mi ne Webber Lake; northern High Sierra, Lake of the Woods 2255 Comment
  CAS-BOT-BC126144  Salix scouleriana W. R. Dudley 1900-6-14 5125 Sierra Near Lake Mary, vicinity of Webber Lake Comment
  CHSC47486  Salix scouleriana Lowell Ahart 1978-7-29 1795 Sierra On the north side of Mount Fillmore, about 12 miles north-east of La Porte. 2103 Comment
  RSA176571  Salix scouleriana Peter H. Raven 1964-6-30 19607 Sierra 3.8 miles W of Satley on State Hwy 19. Comment
  CAS-BOT-BC494094  Salvia aethiopis W. Harnach; N. Harnach 2000-6-14 906 Sierra Sierra Valley. North of the sawmill in Loyalton 1524 Comment
  JEPS99004  Sambucus mexicana Rolf W. Benseler 1997-7-14 621 Sierra North of Ground Hog Rock, Tahoe National Forest Comment
  SEINET8058230  Sambucus nigra W. Harnach, N. Harnach 1990-7-10 471 Sierra Sierra Valley, ca 0.25 mile S of County line on Co. Rd. A-23, W of road. 1524 Comment
  CAS-BOT-BC236473  Sambucus racemosa subsp. racemosa L. S. Smith 1925-8-31 1718 Sierra Trail to Hackel Peak, Tahoe Forest 2133 Comment
  SJSU14262  Sambucus racemosa var. racemosa N. A. Hopkins 1989-7-1 1546 Sierra c. 8 mi S of Yuba Pass by rd to Webber L 2316 Comment
  CDA17273  Sanguisorba annua G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16300 Sierra Sierra Nevada; Sierra Valley: Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. 1645 Comment
  JEPS16746  Sanguisorba annua Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4272 Sierra along roadside near Calpine (Sierra Valley); Sierra Valley 1493 Comment
  CDA26416  Sanguisorba annua T. C. Fuller 1980-8-13 20626 Sierra West side of Highway 89, 1.3 km north of junction with Highway 49, 2.74 km north of Sattley. 0 Comment
  JEPS110137  Sanicula bipinnatifida var. flava Lowell Ahart 2006-6-21 12817 Sierra On the north side of the Foote Road, about 2.7 miles (by road) southwest of Alleghany 1103 Comment
  CHSC63110  Sanicula graveolens Lowell Ahart 1994-7-1 7443 Sierra On the north side of the larger pond, steep rocky slope on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  SBBG61239  Sanicula graveolens J. G. Lemmon -- Sierra Sierra Valley Comment
  CHSC66522  Sanicula tuberosa Lowell Ahart 1996-7-25 7689 Sierra South of the old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  JEPS96053  Sanicula tuberosa Lowell Ahart 1996-7-25 7689 Sierra about 2 mi w of Webber Lake (s of old Henness Pass Road, just w of French Meadow) 1950 Comment
  SEINET11160297  Sanicula tuberosa W. Harnach, N. Harnach 2002-5-7 1056 Sierra Sierra Valley, upper reaches of Knuthson Meadow (known as Carmen Valley), ca 3 miles NE of Calpine. 1524 Comment
  SDSU2998  Saponaria officinalis D. F. Howe 1952-8-2 2777 Sierra 11 mi. west of Downieville, just above bridge crossing North Yuba River. 701 Comment
  CDA9360  Sarcodes sanguinea M. Beyers 2012-6-26 1028 Sierra Northern Sierra Nevada; Northwestern end of SFSU Sierra Nevada Field Campus: on the south side of the Yuba River. East of Highway 49. 1963 Comment
  RSA748322  Sarcodes sanguinea K. M. Meyer, A. Townesmith 2007-7-17 129 Sierra Tahoe National Forest. 1 mile up road toward Lake of the Woods, off road 07. 2191 Comment
  CAS-BOT-BC466229  Sarcodes sanguinea Miss Michener 1893-8-1 s.n. Sierra Unspecified Comment
  SEINET12217473  Saxifraga aprica J. G. Lemmon 1874-1 74 Sierra Sierra Co., &c Comment
  JEPS95351  Saxifraga bryophora Lowell Ahart 1994-7-1 7423 Sierra 11 air miles NE of Alleghany (S of the larger pond, N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, 1 1/2 mi NE of Middlewaters) 1889 Comment
  SEINET12221796  Saxifraga californica F. H. Utech 1990-6-5 90 -884 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  UC54293  Saxifraga odontoloma H. M. Hall and E. B. Babcock July, 1903 4483 Sierra North Fork of North Fork of Yuba River (above Summit House, Yuba Pass); Sierra Nevada Mountains, , Yuba Pass 1981 Comment
  JEPS100366  Scirpus congdonii Dean W. Taylor 2001-6-6 17773 Sierra headwaters of Rock Creek in vicinity of Union Hill-Scales; fen along Forest Road 35, Plumas National Forest 1341 Comment
  CAS-BOT-BC111087  Scirpus microcarpus Alice Eastwood 1918-6-29 7912 Sierra Loyalton Comment
  CAS-BOT-BC111089  Scirpus microcarpus Lewis Samuel Rose 1934-7-17 34383 Sierra Meadow W. of Gold Lake 2133 Comment
  UCD141264  Scirpus microcarpus R. O. Hanes 1992-9-28 90 Sierra Cottonwood Creek. Tahoe Forest. 1889 Comment
  UCD141258  Scirpus microcarpus J. Turner; F. M. Ball 1962-7-12 1197 Sierra Cold Creek Campground. 5 miles south of Sierraville in Tahoe National Forest. Comment
  SEINET13751011  Scrophularia desertorum P. A. Lehenbauer 1937-6-8 91 Sierra [Sierra Nevada] 25 miles West of Reno, Nevada on Truckee river, at Iceland, South side of river by falls 1676 Comment
  UC1552842  Scutellaria bolanderi subsp. bolanderi Frederica Bowcutt 1985-6-7 584 Sierra 2 mi w of Sierra City (along Hwy 49); Tahoe National Forest 1158 Comment
  UC1713621  Scutellaria californica O. H. Kappler 1946-7-20 1340 Sierra North Fork Yuba River 822 Comment
  UCR206323  Scutellaria californica George K. Helmkamp, E. A. Helmkamp 2009-5-28 14866 Sierra Sierra Nevada Mountains Foothills, above the Yuba River along CA-49, 2.3 miles north of the Yuba Co. line 851 Comment
  CAS-BOT-BC240072  Secale cereale Catherine Best 1980-6-13 s.n. Sierra Sierra Valley 2 mi north of Sattley on Hwy A23 Comment
  CAS-BOT-BC240073  Secale cereale Shrimpton No date on label s.n. Sierra Loyalton Comment
  JEPS87649  Sedum laxum subsp. laxum Lowell Ahart 1994-7-1 7437 Sierra about 1 1/2 mi ne Middlewaters (s of the larger pond, slope on n side Henness Pass Road at Keystone Gap, e of Keystone Mountain, about 11 mi (air) ne of Alleghany); e of Keystone Mountain, ne of Middlewaters, Keystone Gap 1889 Comment
  JEPS87650  Sedum laxum subsp. laxum Lowell Ahart 1994-7-1 7437 Sierra about 1 1/2 mi ne Middlewaters (s of the larger pond, slope on n side Henness Pass Road at Keystone Gap, e of Keystone Mountain, about 11 mi (air) ne of Alleghany); e of Keystone Mountain, ne of Middlewaters, Keystone Gap 1889 Comment
  JEPS82074  Sedum obtusatum subsp. boreale Paul C. Hutchison and Rimo Bacigalupi 1983-8-9 8445 Sierra 12 mi by logging road n Downieville (Saddleback Mtn., bottom of road to lookout just w of summit, large shale outcrop on crest, nw-facing slopes); Saddleback Mtn., n of Downieville 1798 Comment
  CHSC63137  Sedum spathulifolium Lowell Ahart 1994-7-1 7434 Sierra On the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  SEINET12216910  Sedum spathulifolium F. H. Utech 1986-1 86 -074 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  UCD149507  Selaginella wallacei G. L. Stebbins 1970-7-5 7032 Sierra Along Fiddle Creek. (Exact location unknown. Coordinates estimated by label maker.) 1036 Comment
  UCD148920  Senecio hydrophiloides Albert Grigarick 2013-6-5 346 Sierra North of Truckee. 5.1 miles east of Highway 89N along Sierra County Rd 450 (Kyburz Flat, Sardine Valley). Comment
  UCR54279  Senecio integerrimus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0948 Sierra Sierra Nevada Mtns., Plumas National Forest, Gold Lake, near the boat ramp 1960 Comment
  JEPS88150  Senecio scorzonella Vernon H. Oswald and Lowell Ahart 1996-8-19 8192 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just s road to Lincoln Valley; northern High Sierra Nevada 2255 Comment
  UC53869  Senecio serra var. serra H. M. Hall and E. B. Babcock July 1903 4481 Sierra Sierraville Sierra Nevada Moutains, Sierraville 1524 Comment
  CHSC85300  Senecio triangularis John Dittes; Josephine Guardino, Lowell Ahart 2003-7-31 2003 -74 Sierra Northern High Sierra Nevada; ca. 4.8 air-mile southwest of Sierra City, ca. 6.0 air-mile east by southeast of Downieville, ca. 6.5 air-mile northwest of Bowman Lake; Negro Canyon Creek at crossing of poor 4-wheel-drive road. At creek edge. 1682 Comment
  CAS-BOT-BC364414  Senecio triangularis Lewis S. Rose 1934-7-16 34373 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC364534  Senecio vulgaris W. Harnach; N. Harnach 1990-10-23 534 Sierra Sierra Valley. East side of Loyalton swimming pool building 1504 Comment
  CHSC43459  Sibbaldia procumbens Lowell Ahart 1977-7-15 1478 Sierra Along the edge of the stream that drains the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1828 Comment
  CHSC73815  Sibbaldia procumbens B. Castro; M. A. Griggs 1997-7-10 769 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. 2136 Comment
  CHSC48611  Sidalcea glaucescens Vernon Oswald 1984-6-25 1311 Sierra LaPorte-Quincy Rd., ca. 7 mi n-e of LaPorte. 1737 Comment
  CHSC66599  Sidalcea glaucescens Lowell Ahart 1996-7-25 7694 Sierra Old Henness Pass Road, French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  UCR257704  Sidalcea glaucescens George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19497 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  CAS-BOT-BC205771  Sidalcea oregana K. K. Muller 1963-8-15 1231 Sierra Gold Lake Comment
  CHSC43997  Sidalcea oregana subsp. spicata L. P. Janeway 1984-8-26 1097 Sierra Along dry drainage channel from Snag Lake and near the hwy. 1996 Comment
  JEPS742  Sidalcea oregana subsp. spicata W. L. Jepson 1934-8-2 16788 Sierra 2 mi e Bassett sta. (Pioneer road sta., North Fork Yuba River); North Fork Yuba River, e of Bassett sta. 1706 Comment
  CHSC54557  Silene bernardina Lowell Ahart 1991-7-29 6701 Sierra On the west side of Negro Creek, west of Burlington, about 1 mile north-east of Harris Meadow, about 1 1/4 miles north-east of Granite Mountain. 1828 Comment
  CHSC67100  Silene bernardina James D. Jokerst 1990-7-27 3159 Sierra Balls Ranch. Burma Summit, 6 mi SE of Loyalton. 2468 Comment
  CHSC74659  Silene bernardina B. Castro; L. Gehrung, H. Durio 1995-9-14 631 Sierra Ca 0.7 air mi SW of the top of Mt. Fillmore, and ca 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. 1962 Comment
  CAS-BOT-BC387052  Silene douglasii H. Albert Barker 1926-7-8 94 Sierra Gold lake Ridge 2072 Comment
  CAS-BOT-BC387053  Silene douglasii Gladys L. Smith 1959-6-20 1252 Sierra On Gold lake to Feather River route. PLumas-Sierra County line. 1828 Comment
  SJSU4981  Silene douglasii var. douglasii N. A. Hopkins 1968-6-30 150 Sierra 0.25 mi N of Packer L 1859 Comment
  CHSC66595  Silene invisa Lowell Ahart 1996-7-25 7697 Sierra In meadows, south of the old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  JEPS88145  Silene invisa Lowell Ahart 1996-7-25 7697 Sierra ca. 2 mi. w. Webber Lake (s. of the old Henness Pass Rd., just w. of French Meadow) 1950 Comment
  SJSU11975  Silene laciniata N. A. Hopkins 1975-7-24 705 Sierra by Woodruff Cr 0.5 mi S of its confluence with Rock Cr 822 Comment
  CHSC40986  Silene lemmonii J. D. Jokerst 1984-7-23 2117 Sierra Around edges of meadow, Ca. 3.5 mi. E of Sierra City, ca. 200 ft. N of Haypress Cr. 1767 Comment
  SEINET10886275  Silene lemmonii Karen M. Meyer, Andrew Townesmith 2007-7-17 Meyer 128 Sierra Tahoe National Forest. 1.0 mi. up road toward Lake of the Woods, off road 07. 2191 Comment
  UCD40307  Silene lemmonii Rodney Gale Myatt 1971-7-3 815 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  CAS-BOT-BC389542  Silene nuda James Jokerst 1985-7-22 2530 Sierra Near Carman Creek 901 Comment
  UC1137895  Silene nuda G. T. Nordstrom 1936-7-23 953 Sierra 2 1/2 mi s Purdy; Sierra National Forest, Sierraville Quadrangle Comment
  UC120168  Silene nuda J. G. Lemmon 1875-1 33 Sierra Comment
  CAS-BOT-BC75045  Sisymbrium altissimum Catherine Best 1982-7-11 735 Sierra Sierra Nevada. Herringtons. Sierra City. 1219 Comment
  SEINET8887791  Sisyrinchium bellum B. Hildebrand 1946-6-15 H- 60 Sierra Two miles west of Calpine 1524 Comment
  SEINET8895374  Sisyrinchium halophilum W. Harnach, N. Harnach 1989-6-10 140 Sierra Sierra Valley, 2.5 miles W of Sierraville on Hwy 49, Strang Creek on Hwy 49 1503 Comment
  SJSU6451  Sisyrinchium halophilum N. A. Hopkins 1971-6-19 412 Sierra just ENE of Sattley, Sierra Valley 1524 Comment
  UCD121455  Solanum parishii William Haley; Sandra Haley 2012-7-10 s.n. Sierra Sierra Couinty: Lakes Basin region. Tahoe National Forest/ West slope of the Pacific Crest Trail, just after trail goes from the east side of the crest to the west side of the crest. Coordinates are approximate. 2270 Comment
  SEINET12347214  Solanum parishii F. H. Utech 1990-6-5 90 -876 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  CDA5977  Solanum triflorum F. H. Surber 1976-9-16 Sierra Bruce Miles property, Loyalton. 0 Comment
  JEPS78124  Solanum umbelliferum Gary W. Zamzow 1972-6-27 36 Sierra 2 mi from Highway 49 down Sardine Lake Road at Sand Pond, 20 m n of bath house Sand Pond 1828 Comment
  CAS-BOT-BC364890  Solidago W. Harnach; N. Harnach 1990-8-17 509 Sierra Sierra Valley. Strang Ranch (Elvers back 80) 1524 Comment
  CHSC108099  Solidago elongata Lowell Ahart 2011-9-23 17709 Sierra Growing on the west side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake. 2015 Comment
  CHSC80931  Solidago elongata Lowell Ahart 2001-8-10 9105 Sierra About 200 yards west of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 150 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  HSC93319  Solidago elongata Vernon H. Oswald, L. Ahart 1996-8-19 8237 Sierra Forest Rte. 07 E of Webber Lake, 0.5 mi. E of the road to Lake of the Woods; Northern High Sierra Nevada 2043 Comment
  JEPS88191  Solidago elongata Vernon H. Oswald and Lowell Ahart 1996-8-19 8237 Sierra Forest Route 07 0.5 mi e of the road to Lake of the Woods (e of Webber Lake); northern High Sierra Nevada 2042 Comment
  CHSC80932  Solidago spectabilis Lowell Ahart 2001-8-10 9070 Sierra Meadow, on the east side of Hobart Mills Road, about 100 feet southwest of the power pole, about 1 mile (air) south of Stampede Reservoir. 1798 Comment
  SEINET13710088  Solidago spectabilis Lowell William Ahart, Lowell William Ahart 2001-1 9070 Sierra Hobart Mills Rd. 1 Air Mi. SE of Stampede Reservoir (T18N, R17E, sec 31, NW 1/4) 5900 Ft. 1798 Comment
  CAS-BOT-BC157216  Sorbus californica Elmer I. Applegate 1921-9-7 3374 Sierra Gold Lake 1981 Comment
  UC334404  Sorbus californica unknown Oct. 1890 Sierra Webber Lake Comment
  UC54340  Sorbus californica H. M. Hall and E. B. Babcock July, 1903 4514 Sierra Gold Lake; Sierra Nevada Mountains 1950 Comment
  RSA246606  Sparganium angustifolium Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42363 Sierra Plumas National Forest: Shallow water of Snag Lake. 2058 Comment
  SJSU12279  Sparganium angustifolium N. A. Hopkins 1977-9-9 Sierra outlet end of Deer Lake 2167 Comment
  SJSU5081  Sparganium emersum C. L. Cline 1965-8-6 149 Sierra by Hwy 89, 2.6 mi S of junction of Beckwourth Rd and Sattley Rd., Sierra Valley 1493 Comment
  UC1099912  Sparganium emersum var. emersum Malcolm A. Nobs and S. Galen Smith 1949-8-20 1498 Sierra about 0.5 mi w Loyalton (on road to Sierraville); Sierra Valley Comment
  SCFS5079  Sparganium simplex P. L. Billings 1965-6-6 23 Sierra Located near garbage dump 1.2 miles from Sattley on Sattley-Beckworth Road [Sattley located on Highway 89 and Sattley-Beckworth Road] 1524 Comment
  CHSC56536  Spergularia rubra L. P. Janeway 1984-7-29 955 Sierra Near F.S. Road 28 (21N11) ca 3 1/2 mi from Gold Lake; ridgetop/saddle. 2225 Comment
  UC190806  Sphaeralcea ambigua var. ambigua J. G. Lemmon 1875-1 44 Sierra Comment
  UC1123209  Sphenosciadium capitellatum N. French 1934-7-13 521 Sierra Lola Mt. Ridge; Tahoe National Forest, Truckee Quad., Lola Mt. Ridge Comment
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Jan 6 2015
  CHSC43456  Spiraea densiflora Lowell Ahart 1975-8-17 930 Sierra South of French Meadows, about 3 miles west and 1/2 mile south of Webber Lake. On mountain side. 2133 Comment
  RSA252504  Spiraea densiflora Robert F. Thorne, C. W. Tilforth 1969-9-6 39209 Sierra Goose Lake, SE of Gold Lake. 1951 Comment
  UC66119  Spiraea densiflora P. B. Kennedy and S. B. Doten 1901-7-12 156 Sierra Webber Lake; e Sierra County Comment
  CHSC109879  Spiraea douglasii Lowell Ahart 2012-9-18 18452 Sierra Bottom of Poverty Hill Hydraulic Mine, about 2 miles (air) southwest of Poverty Hill, about 4 1/2 miles (air) south of La Porte. 1388 Comment
  SEINET7707967  Spiraea splendens S. B. Doten, P. B. Kennedy 1901-7-12 156 Sierra Webber Lake, falls. Comment
  JEPS88183  Spiranthes romanzoffiana Vernon H. Oswald and Lowell Ahart 1996-8-19 8222 Sierra Yuba Pass-Weber Lake Rd (Forest Rt. 12) 1.5 mi s road to Haypress Valley; northern High Sierra Nevada 2194 Comment
  JEPS63035  Stachys ajugoides var. rigida W. L. Jepson 1934-8-2 16804 Sierra 2 mi e Bassett sta. (Pioneer road sta.); North Fork Yuba River 1706 Comment
  JEPS63084  Stachys ajugoides var. rigida W. L. Jepson 1934-8-2 16790 Sierra 2 mi e Bassett road sta. (Pioneer road sta.); North Fork Yuba River Comment
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Dec 26 2016
  POM148093  Stachys rigida subsp. rivularis George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  JEPS98292  Stellaria crispa Lowell Ahart 2000-7-13 8583 Sierra On damp sand along Negro Creek, west of Burlington, about 2 miles (air) northwest of Middle Waters, about 8 miles (air) northeast of Alleghany. 1584 Comment
  SEINET5337320  Stellaria longipes S. B. Doten 1901-6-20 55 Sierra Near Little Truckee, California Comment
  SEINET8884562  Stellaria longipes S. B. Doten 1901-6-20 s.n. Sierra Near Little Truckee. Comment
  CAS-BOT-BC391212  Stellaria longipes subsp. longipes Lewis S. Rose 1934-7-15 34368 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC391213  Stellaria longipes subsp. longipes George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CHSC66596  Stellaria obtusa Lowell Ahart 1996-7-25 7696 Sierra On the east side of a small stream, south of the Old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  JEPS88146  Stellaria obtusa Lowell Ahart 1996-7-25 7696 Sierra ca. 2 mi. w. Webber lake (e. side of small stream, s. of Old Henness Pass Rd., just w. of French Meadow) 1950 Comment
  SEINET10537542  Stellaria umbellata Lowell Ahart 1991-7-22 Ahart 6690 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles northwest of Webber Lake. Mountain Meadow in Red Fir Forest. T19N R7E NW/S24. 2134 Comment
  UC53889  Stephanomeria lactucina H. M. Hall and E. B. Babcock July 1903 4520 Sierra e side Yuba Pass; Sierra Nevada Mountains, Yuba Pass 1676 Comment
  HSC93200  Stephanomeria lactucina Vernon H. Oswald, L. Ahart 1996-8-19 8209 Sierra Yuba Pass-Weber Lake Rd. (Forest Rte. 12) 1 mi. S of Long Valley Creek, 2.3 mi. S of the road to Bassetts 2226 Comment
  SEINET10603850  Stipa lemmonii S. B. Dottori 1901-6-16 Dottori 49 Sierra Sierra Valle. Comment
  SEINET8078369  Stipa nevadensis P. A. Lehenbauer 1937-1 120 Sierra 25 mi. west of Reno, on Truckee R., at Iceland, on south side of river by falls. 1676 Comment
  SEINET8080350  Stipa occidentalis var. pubescens P. A. Lehenbauer 1937-1 58 Sierra Sierra Nevada, 25 miles west of Reno, on Truckee River at Iceland. 1676 Comment
  SEINET8082364  Stipa thurberiana P. A. Lehenbauer 1937-6-8 69 Sierra 25 miles west of Reno on Truckee Road at Iceland, on south side of river by falls. 1676 Comment
  CHSC78239  Streptanthus polygaloides Lowell Ahart 2000-6-15 8474 Sierra Around the monument, at the intersection of Mountain House Road and Henness Pass Road, about 2 miles (air) northwest of Forest, about 3 miles (air) northwest of Alleghany. 1463 Comment
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Jun 21 2014
  CAS-BOT-BC87423  Streptanthus polygaloides Robin Roberts 1983-5-15 90 Sierra Goodyear's Bar, on Highway 49, 3 miles west of Downieville. 500 Comment
  JEPS124530 Image available Streptanthus polygaloides Reinhard Jockel 1969-6-27 10 Sierra Turnoff on highway 49. On serpentine near Goodyears Bars. Comment
  JEPS125688  Streptanthus purpureus William Harnach 2013-4-25 1314 Sierra 1.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  CAS-BOT-BC87825  Streptanthus tortuosus Catherine Best 1981-6-18 s.n. Sierra Sierra Nevada. Sardine Lake. Comment
  CAS-BOT-BC87832  Streptanthus tortuosus Lewis S. Rose 1934-6-29 34294 Sierra Gold Lake. 1950 Comment
  RSA166271  Streptanthus tortuosus H. Dearing, M. Dearing 1939-5-9 3308 Sierra Indian Valley read Downieville. Comment
  SJSU5132  Streptanthus tortuosus N. A. Hopkins 1968-6-28 131 Sierra Packer L 1950 Comment
  UCR57983  Streptanthus tortuosus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-28 0895 Sierra Sierra Nevada Mtns., Convict Flat Picnic Area, on North Yuba River, 12 mi NE of Camptonville on Hwy 49 780 Comment
  CHSC109875  Streptanthus tortuosus var. tortuosus L. P. Janeway; B. Castro 2012-6-16 10876 Sierra Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1885 Comment
  UCR18721  Symphoricarpos acutus Frank C. Vasek 1975-7-10 750710- 10 Sierra Sierra Nevada Mtns, about 15 miles north of Truckee Ranger Station [via Hwy 89], on Hennes Pass Rd. 1.5 miles west of State Hwy 89 1950 Comment
  CAS-BOT-BC269707  Symphoricarpos mollis Margaret Williams; Arnold Tiehm 1974-8-17 74 -S-57 Sierra Verdi Ridge, Verdi Range 2133 Comment
  CHSC63130  Symphoricarpos mollis Lowell Ahart 1994-7-1 7441 Sierra On the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  CAS-BOT-BC245767  Symphoricarpos rotundifolius Gordon H. True; John Thomas Howell 1970-7-14 5542 Sierra Verdi Peak Lookout, Verdi Range, Sierra Nevada 2560 Comment
  CAS-BOT-BC245872  Symphoricarpos rotundifolius P. B. Kennedy; S. B. Doten 1901-7-8 110 Sierra Webber Lake Comment
  CAS-BOT-BC97576  Symphyotrichum ascendens Robert F. Thorne; L. DeBuhr; C. W. Tilforth 1972-9-20 42361 Sierra Plumas National Forest: Ditch along road near Snag Lake 2057 Comment
  CHSC53117  Symphyotrichum ascendens L. P. Janeway 1989-8-9 3558 Sierra Plumas National Forest. NE flank of Haskell Peak overlooking Hwy 89/Sulphur Cr. 2164 Comment
  CHSC57410  Symphyotrichum ascendens L. P. Janeway 1984-9-1 1104 Sierra On northwest side of Oakland Pond. 2194 Comment
  CAS-BOT-BC97577  Symphyotrichum ascendens A. R. Kruckeberg 1954-8-1 3661 Sierra Yuba Pass, Highway 49, Tahoe N.F. Comment
  SD124884  Symphyotrichum bracteolatum R. D. Goeden 1986-9-10 Sierra Above Perazo Meadow on the north side of Fibreboard Road, northwest of Truckee and ca.10 miles east of Jackson Meadow Reservoir. 2010 Comment
  JEPS88072  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald and Lowell Ahart 1996-8-19 8210 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.4 mi s of Long Valley Creek, 2.7 mi s of road to Bassetts Long Valley Creek; northern High Sierra Nevada 2286 Comment
  SEINET13276724 Image available Symphyotrichum spathulatum var. spathulatum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-1 19494 Sierra Northern Sierra Nevada mountains: Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir (Boca 7.5' Q.) 1769 Comment
  JEPS94409  Tanacetum parthenium Vernon Oswald and Lowell Ahart 1997-8-19 8827 Sierra 1.1 mi sw of the town of Forest (between Goodyears Bar and Alleghany, Mountain House Road (County Road 300)); Mountain House Road 1417 Comment
  CAS-BOT-BC376795  Tanacetum parthenium Forest Sheehan 1970-1-1 s.n. Sierra Scales, Rose Ranch. [Ca. 1/2 mi. W. of Union Hill, Strawberry Valley Quad.] 1295 Comment
  JEPS31728  Taraxia tanacetifolia J. G. Lemmon July, 1874 Sierra Sierra Valley Comment
  JEPS105694  Tauschia howellii Steve Edwards and Christopher Thayer 2004-7-18 Sierra Henness Pass Road at Keystone Gap turnout, Tahoe National Forest Comment
  UCR230727  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2011-6-9 17548 Sierra Northern Sierra Nevada Mountains Foothills, 7.1 miles north of Camptonville along CA-49, about 2.5 miles north of the Yuba Co. line 808 Comment
  SEINET12221189  Tellima grandiflora J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  UC191199  Thalictrum sparsiflorum C. F. Sonne Jul 10 1892-Aug 7 1892 Sierra Little Truckee River Comment
  SJSU12154  Thelypodium brachycarpum N. A. Hopkins 1972-6-13 454 Sierra c. 3 mi NNW of Loyalton, Sierra Valley 1524 Comment
  SEINET12007043  Thelypodium crispum J. G. Lemmon 1874-1 12 Sierra Sierra Co., &c Comment
  SD9916  Thelypteris nevadensis Mrs. R. M. Austin, George E. Davenport 1875-1 Sierra Sierra Valley [county a guess] Comment
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Jul 11 2010
  CAS-BOT-BC197373  Thinopyrum intermedium subsp. barbulatum Catherine Best 1981-6-15 s.n. Sierra Edge of Highway 49, 2 miles west of Downieville Comment
  CAS-BOT-BC88141  Thlaspi arvense D. E. Breedlove 1962-6-13 3505 Sierra Sierra Nevada. 1.5 mile north of Sierraville on State Highway 89. 1524 Comment
  CAS-BOT-BC88142  Thlaspi arvense D. E. Breedlove 1962-6-13 3505 Sierra Sierra Nevada. 1.5 mile north of Sierraville on State Highway 89. 1524 Comment
  CAS-BOT-BC88145  Thlaspi arvense Arthur Chan 1981-5-16 88 Sierra 12.4 miles southeast of Sattley along the hot springs dirt road. 1828 Comment
  CHSC43450  Thlaspi montanum var. montanum Lowell Ahart 1975-6-28 819 Sierra About 2 miles east of Gibsonville, about 10 miles north-east of La Porte. 1981 Comment
  CHSC94233  Thlaspi montanum var. montanum Lowell Ahart 2006-6-28 12867 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  UC1042407  Tofieldia occidentalis subsp. occidentalis John Thomas Howell 1951-8-21 28270 Sierra Yuba Pass Sierra Nevada 2042 Comment
  UC119605  Tofieldia occidentalis subsp. occidentalis J. G. Lemmon 1874-1 Sierra Comment
  SEINET5357933  Torreyochloa erecta W. D. Billings 1951-7-8 2120 Sierra 1 mile north of Weber Lake 2134 Comment
  UCD93175  Torreyochloa pallida var. pauciflora Alan A. Beetle 1944-8-17 3054 Sierra 8 miles below Downieville. North fork of Yuba River. Comment
  CAS-BOT-BC172908  Toxicodendron diversilobum John Thomas Howell; Gordon H. True 1969-6-25 45857 Sierra North Fork of Yuba River, 5 miles east of Indian Valley 762 Comment
  UCD139873  Toxicoscordion paniculatum Stuart Date Unknown 2159 Sierra Guscette Sheep Range est of Loyalton. Comment