Search Results — 2000 specimen records retrieved (1350 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/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-BC78003  Abies concolor Mrs. E. C. Sutliffe 1919-8-1 s.n. Sierra Gold Lake Region 1981 Comment
  SEINET11736841  Abies lasiocarpa J. G. Lemmon 1874-1 210 Sierra Sierra Co., &c. Comment
  CAS-BOT-BC78103  Abies magnifica Gordon H. True; John Thomas Howell 1970-7-14 5513 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  HSC1342  Abies magnifica R. G. Means 1962-6-22 32 Sierra Summit Campground, Yuba Pass, Hwy. 49 2043 Comment
  CAS-BOT-BC330961  Acer glabrum var. glabrum Kellogg; Brannan 1870-7-10 s.n. Sierra Alta. C. P. R. R. Comment
  CAS-BOT-BC331039  Acer glabrum var. glabrum George Haley 1927-8-6 s.n. Sierra Webber Lake 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
  CHSC44840  Achillea millefolium Lowell Ahart 1977-8-2 1529 Sierra On the west side of Mount Fillmore, near the summit, about 12 air miles north-east of La Porte, Sierra County, California. 2194 Comment
  CAS-BOT-BC28866  Achillea millefolium Horace Albert Barker 1926-7-15 141 Sierra Gold Lake 1953 Comment
  CAS-BOT-BC218721  Achnatherum diegoense Lowell Ahart 1977-7-31 1533 Sierra About 2 miles north of Scales 1400 Comment
  SEINET13387084 Image available Achnatherum hymenoides P. A. Lehenbauer 1937-1 104 Sierra 25 mi, w. of Reno, Nev., on Truckee R., at Iceland, Sierra Co., s. side of river by falls. 1676 Comment
  CHSC37228  Achnatherum lemmonii L. Ahart 1982-7-28 3693 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  JEPS110371  Achnatherum lemmonii Lowell Ahart 2006-6-21 12808 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  CAS-BOT-BC216384  Achnatherum nevadense Gordon H. True 1967-7-31 3679 Sierra Verdi Peak Road ca. 1.5 miles below summit 2438 Comment
  CHSC69227  Achnatherum occidentale subsp. californicum James D. Jokerst 1990-7-27 3175 Sierra Balls Ranch Surveys for Jones and Stokes. Summit of Bald Mtn. Range at N end. 2621 Comment
  CHSC44597  Achnatherum occidentale subsp. occidentale Lowell Ahart 1977-8-2 1514 Sierra To the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1828 Comment
  JEPS48459  Achnatherum occidentale subsp. occidentale L. S. Smith 1928-6-12 2340 Sierra Tahoe Forest 1981 Comment
  CHSC59061  Achnatherum stillmanii Lowell Ahart 1992-7-17 6787 Sierra About 2 (air) miles east of Quartz Point, about 6 (air) miles south-east of Downieville. 1706 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
  UCD84186  Acmispon americanus var. americanus 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
  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
  CAS-BOT-BC391503  Aconitum columbianum subsp. columbianum George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC391499  Aconitum columbianum subsp. columbianum Lowell Ahart 1964-7-24 s.n. Sierra 2 miles west of Webber Lake 2133 Comment
  SEINET8663875  Aconitum columbianum var. columbianum W. Harnach, N. Harnach 1989-6-24 175 Sierra 0.5 miles S of Sattley, Martinetti Ranch (Elvers). 1518 Comment
  CAS-BOT-BC412903  Aconogonon davisiae G. Earle Kelley 1919-1-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC391619  Actaea rubra W. Harnach; N. Harnach 1989-5-13 088 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1517 Comment
  UCR206558  Adiantum aleuticum George K. Helmkamp, E. A. Helmkamp 2009-5-28 14852 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  CHSC52029  Agastache urticifolia L. P. Janeway 1989-7-28 3538 Sierra Plumas National Forest. Slopes between Haskell Pk and hwy 89/ Sulfur Cr. 2164 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
  SJSU12204  Agastache urticifolia N. A. Hopkins 1984-7-22 1212 Sierra 0.25 mi E of Robinsons Cow Camp 2011 Comment
  POM171907  Agave E. C. Jaeger 1930-5-1 s.n. Sierra Potosi Mtn, eastern Mohave Desert. Comment
  CHSC19716  Ageratina occidentalis Lowell Ahart 1974-9-6 Sierra Near Mt. Etna Section line 26 and 27 below Big Rocks, near La Porte, Calif. 1828 Comment
  UC1118383  Ageratina occidentalis A. Lewis 1934-10-3 536 Sierra 2 mi se Milton; Tahoe National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC29383  Ageratina occidentalis E. C. Sutliffe 1918-7-1 s.n. Sierra Hawley Lake Comment
  UC1561954  Agoseris X dasycarpa Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7210 Sierra 12 airmi n Truckee ((1.5 mi e of Hwy 89 on Tahoe NF Rd S450, upper end of flat n of rd)); Little Truckee River (head of), Kyburz Flat 1920 Comment
  CAS-BOT-BC29602  Agoseris X dasycarpa Alice Eastwood 1918-6-29 7842 Sierra Loyalton Comment
  UCSB16081  Agoseris glauca 1962-6-13 Sierra 1.5 miles north of Sierraville on State Highway 89 1524 Comment
  RSA516375  Agoseris glauca var. dasycephala Barbara Ertter 1987-6-27 7210 Sierra Kyburz Flat ca 12 air miles N of Truckee, head of Little Truckee River; ca. 1.5 miles E of Highway 89 on Tahoe National Forest Road S450. 1921 Comment
  SEINET11854976  Agoseris glauca var. laciniata J. G. Lemmon 1874-1 135 Sierra Comment
  CAS-BOT-BC15443  Agoseris grandiflora var. grandiflora H. M. Hall; E. B. Babcock 1903-7-1 4468 Sierra Sierra Valley 1524 Comment
  JEPS36263  Agoseris heterophylla var. heterophylla L. S. Smith 1927-5-30 2066 Sierra sec 5 and 4 east side Sierra Valley Comment
  UC1048137  Agoseris heterophylla var. heterophylla unknown 1937-1 476 Sierra Sierra Valley Comment
  JEPS124623 Image available Agoseris parviflora Reinhard Jockel 1969-7-3 41 Sierra E. of Kyburz marsh 2 miles E. of highway 89 turn off a few miles N of little Truckee bridge. Comment
  CDA1689  Agropyron desertorum T. C. Fuller 1963-7-17 10933 Sierra 1 mile NW of Verdi. South Branch of Dog Valley creek. 0 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
  CAS-BOT-BC127389  Agrostis exarata Gordon H. True 1971-9-7 7035 Sierra Stringer on slope west of large meadow in Cold Stream Canyon ca. 3.5 miles south of Perazzo meadows. 2377 Comment
  HSC47817  Agrostis exarata Michael A. Watkins 1978-9-20 130 Sierra Foothills of the Sierra Nevada Mtns., 10 mi. NW of Johnsville on property of the Cowell Mine Comment
  JEPS75454  Agrostis exarata W. L. Jepson 1934-8-3 16820 Sierra 2 mi e Bassett sta. (canyon bottom); North Fork Yuba River, Pioneer sta. 1706 Comment
  UCD52405  Agrostis exarata A. A. Beetle 1944-8-17 3050 Sierra 5 miles northeast of Sierraville, above north fork of Yuba River. Comment
  UCD52541  Agrostis exarata Beecher Crampton 1957-7-24 4404 Sierra Sierra Valley. 3 miles northeast of Sattley. 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
  SEINET7594045 Image available Agrostis idahoensis Lewis S. Rose 1934-1 34360 Sierra Gold Lake 1951 Comment
  JEPS98956  Agrostis oregonensis Lowell Ahart 2001-8-10 9086 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
  CHSC113670  Agrostis scabra L. P. Janeway 2014-6-17 11392 Sierra Northern High Sierra Nevada. Plumas National Forest; on the old mining tailings of Poverty Hill, between Gold Run Creek and Slate Creek. 1366 Comment
  JEPS87477  Agrostis variabilis Lowell Ahart 1993-9-24 7249 Sierra about 3/4 mi s of the dirt road from Gibsonville to Johnsville (w. side of poor dirt rd. that ends at a stream, n. side of Mt. Fillmore); n side Mount Fillmore 2133 Comment
  CHSC32039  Allium campanulatum L. Ahart 1975-6-28 824 Sierra Ca. 2 mi e of Gibsonville. 1981 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
  SJSU4983  Allium campanulatum N. A. Hopkins 1968-6-30 137 Sierra near Packer Lake 1889 Comment
  CDA18127  Allium lemmonii G. D. Barbe, T. C. Fuller 1973-6-19 1618 Sierra Tahoe National Forest; Hoke Valley, N of Stampede Reservoir (Nevada Co. line), on Stampede Reservoir Rd. 9.75 miles (15.7 km.) N of Interstate Hwy 80 at Boca; 0.5 mile (800 m) S of Smithneck Rd; 9.5 miles (15.3 km.) W of Verdi, NV. 1828 Comment
  RSA790171  Allium lemmonii James R. Shevock 1985-5-19 11147 Sierra Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville. 1650 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
  SEINET8122308  Allium lemmonii W. Harnack, N. Harnach 2000-5-5 881 Sierra On Hwy 49, ca 6 miles NE of Sierraville. 1524 Comment
  SJSU6441  Allium lemmonii N. A. Hopkins 1971-6-14 381 Sierra 1 mi E of Sierraville, Sierra Valley 1524 Comment
  UCSB18221  Allium parvum 1962-6-13 Sierra Along the Little Truckee River; 10.0 miles south of Sierraville on State Highway 89; Sierra Nevada 1950 Comment
  SEINET8191283  Allium parvum J. C. Baker 1996-4-24 s.n. Sierra Balls Canyon. 1661 Comment
  CHSC94132  Allium platycaule Lowell Ahart 2006-6-28 12872 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  CDA11863  Allophyllum gilioides subsp. gilioides G. F. Hrusa, J. Jokerst 1991-7-5 8563 A Sierra Sierra Valley Region; Antelope Valley. At bottom of Golden Dome on E side. Comment
  SEINET14407743  Allophyllum gilioides subsp. violaceum P. B. Kennedy, S. B. Doten 1901-7-8 120 Sierra N of Webber Lake. Comment
  CHSC45442  Allophyllum integrifolium Lowell Ahart 1983-10-27 4474 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadow Reservoir, about 1 mile south of Pass Creek, near Jackson Meadow Reservoir. 2011 Comment
  RSA21696  Allophyllum integrifolium C. B. Wolf 1937-8-6 9056 Sierra Northern Sierra Nevada, Church Meadows, SE of Gold Lake. 2043 Comment
  SEINET14440219  Allophyllum integrifolium S. B. Doten 1901-7-2 74 a Sierra NE [of] Webber Lake. Comment
  CHSC54560  Allotropa virgata Lowell Ahart 1991-7-22 6670 Sierra Near Burlington, about 1 mile north-east of Harris Meadow, about 1-1/4 miles north-east of Granite Mountain. 1828 Comment
  JEPS117427  Allotropa virgata Lowell Ahart 2010-8-3 17037 Sierra About 100 yards west of the poor logging road, about 2 miles (air) west of Keystone Mountain, about 1/2 mile (air) north of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 9 miles (air) northeast of Alleghany 1733 Comment
  SEINET7220227  Allotropa virgata P. B. Kennedy, S. B. Doten 1901-7-11 145 Sierra Webber Lake Comment
  RSA88592  Alnus incana subsp. tenuifolia J. T. Howell 1951-8-21 28275 Sierra Yuba Pass. 2043 Comment
  SEINET8066583  Alnus incana var. occidentalis B. H. Banta 1949-5-13 109 Sierra Dog Creek 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
  UC578619  Alopecurus aequalis E. Sawyer 1935-6-28 252 Sierra 1 12/ mi. s.-s.e. of Sattley; Sierraville Quad. 1493 Comment
  UCD55872  Alopecurus aequalis Freed W. Hoffman 1946-6-11 1832 Sierra Sierra Valley. Comment
  SEINET3353252 Image available Alopecurus aequalis F. A. MacFadden 1934-1 Sierra Truckee River, 13 Miles from Truckee on the old Reno Road Comment
  JEPS119934  Alopecurus aequalis var. aequalis Lowell Ahart 2012-9-18 18451 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. Comment
  UCD84123  Alopecurus geniculatus 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-BC137980  Alopecurus pratensis Catherine Best 1984-6-19 1005 Sierra At the edge of Highway 89 about 0.5 mile west of Sierraville. 1524 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
  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
  CAS-BOT-BC142914  Amelanchier Jean L. Pawek 1956-5-21 55 Sierra Highway 49, on west slope of Yuba Pass. 1524 Comment
  UC572465  Amelanchier alnifolia var. pumila G. T. Nordstrom 1936-7-9 931 Sierra 2 mi w Dog Valley; Sierraville Quad. 1981 Comment
  RSA8032  Amelanchier pallida H. A. Barker 1927-7-5 774 Sierra Gold Lake. Comment
  SEINET6190534  Amelanchier pallida W. Harnach, N. Harnach 1990-5-13 307 Sierra Sierra Valley, The Mounds near Sattley 1518 Comment
  SEINET6195190  Amelanchier pallida W. Harnach, N. Harnach 1989-5-9 073 Sierra Approx 5 road miles N of Sierraville on Hwy 49, Newman Point (Rice on map) 1524 Comment
  SEINET11914566  Amelanchier pallida J. G. Lemmon 1874-1 s.n. Sierra Comment
  SEINET6190254  Amelanchier pumila P. B. Kennedy, S. B. Doten 1901-7-5 97 Sierra Webber Falls, canyon below Comment
  CAS-BOT-BC136872  Amelanchier utahensis Alice Eastwood 1918-6-29 7872 Sierra Loyalton Comment
  UC1127751  Amelanchier utahensis G. T. Nordstrom 1936-7-9 931 Sierra 2 mi nw Dog Valley; Tahoe National Forest, Sierraville Quad. 1981 Comment
  UCR17357  Amelanchier utahensis Frank C. Vasek 1975-7-10 750710- 17 Sierra Sierra Nevada Mtns., 1 mi west of State Hwy 89 on Henness Pass Rd. 1951 Comment
  SJSU14314  Amsinckia intermedia N. A. Hopkins 1989-6-6 1504 Sierra c.1 mi N of Loyalton, Sierra Valley 1524 Comment
  UCD167900  Amsinckia menziesii Art M. Shapiro 2017-5-29 s.n. Sierra Along Hwy. 89 about 3/4 mi N Sierraville. 1516 Comment
  CHSC44099  Anaphalis margaritacea L. P. Janeway 1984-8-25 1079 Sierra Snag Lake. 2026 Comment
  CHSC53113  Anaphalis margaritacea L. P. Janeway 1989-8-22 3620 Sierra Plumas National Forest. Northeast flank of ridge ca 3 mi E of Haskell Pk; near head of Sulphur Cr. 2164 Comment
  SEINET12080669  Anemone drummondii Unknown 1975-1 821 Sierra 2 mi E of Gibsonville, about 10 mi NE of La Porte, Red Fir Forest 1981 Comment
  SEINET5337582  Anemone tuberosa M. Humphreys 1950-4-30 14 Sierra 1 mile north of Downieville. 914 Comment
  CHSC67155  Antennaria argentea James D. Jokerst 1991-7-1 3327 Sierra Golden Dome Mine Project Site in the S end of Antelope Valley, E of Sierra Valley, summit of the 'Astrodome'. Comment
  CAS-BOT-BC63862  Antennaria argentea Barbara T. Keller 1975-6-11 1534 Sierra Near trail to Chapman Saddle, along Hwy 49, about 5 miles northeast of Sierra City 1584 Comment
  CAS-BOT-BC58657  Antennaria luzuloides Alice Eastwood 1918-6-29 7833 Sierra Loyalton Comment
  CAS-BOT-BC58653  Antennaria luzuloides H. D. Ripley; R. C. Barneby 1942-5-22 4527 Sierra near Sierraville 1706 Comment
  CHSC67156  Antennaria luzuloides subsp. aberrans James D. Jokerst 1991-7-1 3328 Sierra Golden Dome Mine Project site in the S end of Antelope Valley, E of Sierra Valley, summit of the 'Astrodome'. Comment
  UCD149782  Antennaria media Collector Unknown. 1984-7-30 s.n. Sierra South Sierra Buttes. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC79950  Antennaria microphylla Catherine Best 1981-6-18 s.n. Sierra On the Salmon Lake Road about 1 mile southeast of Salmon Lake Comment
  SEINET6755314 Image available Antennaria rosea W. Harnach, N. Harnach 2000-7-4 9938 Sierra Sierra Valley. Approx. 1/2 mile north of Coburn Lake at the end of access road. Comment
  JEPS95115  Antirrhinum vexillocalyculatum subsp. intermedium Vernon Oswald and Lowell Ahart 1997-8-19 8834 Sierra 5.3 mi. s.w. Alleghany (Footes Crossing Rd. (County Rd. 191) on n. side of Middle Fork Yuba River); Middle Fork Yuba River 1066 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
  CHSC63151  Aphyllon purpureum Lowell Ahart 1994-7-1 7424 Sierra South of the larger pond, steep 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
  SEINET7923619  Apocynum androsaemifolium W. Harnach, N. Harnach 1991-6-24 587 Sierra W of Loyalton, Antelope Valley, On the edge of road 1707 Comment
  SJSU13916  Apocynum androsaemifolium N. A. Hopkins 1986-7-1 1353 Sierra c. 1 mi SW of Calpine 1524 Comment
  SJSU13888  Aquilegia formosa N. A. Hopkins 1985-7-3 1288 Sierra between Sierraville & Lemon Valley c. 2 mi E of Sierraville 1554 Comment
  UCR270960  Arabis John F. Emmel 1999-6-5 1627 Sierra Sierra Nevada Mountains, Verdi Range; along Henness Pass Road, 0.5-0.7 road miles NW of the junction with Sunrise Creek Road at junction with Sunrise Creek Road 1677 Comment
  SEINET183562  Arabis holboellii var. pinetorum Lincoln Constance 1938-6-9 2307 Sierra East side of Yuba Pass 2.4 miles NW of Sattley. 1524 Comment
  RSA40425  Arabis rectissima P. A. Munz 1948-8-12 12336 Sierra Among Abies and Pinus Murrayana, Yuba Pass, Hwy49 2317 Comment
  JEPS87603  Arabis rectissima var. rectissima 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-BC171611  Aralia californica Carl B. Wolf 1937-8-6 9047 Sierra Northern Sierra Nevada, No. fork of Yuba River, 5 mi. above Downieville 1066 Comment
  RSA21687  Aralia californica C. B. Wolf 1937-8-6 s.n. Sierra Northern Sierra Nevada, No. Fork of Yuba River, 5 mi. above Downieville 1067 Comment
  CHSC10651  Arceuthobium abietinum Lowell Ahart 1967-9-29 Sierra Along Henness Pass, 15 miles from Camptonville. 1524 Comment
  CDA9335  Arctostaphylos nevadensis D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .298 Sierra Above Sardine Lake on road to Sierra Butte. Comment
  CAS-BOT-BC46506  Arctostaphylos patula Mrs. S. G. Suttiffe 1919-8-1 s.n. Sierra Gold Lake. Comment
  CAS-BOT-BC46550  Arctostaphylos patula Gordon H. True 1964-5-20 1412 Sierra Chalk Bluff Rd. on Chalk Bluff Ridge about 2 mi. s. of Nevada City - Yuba Gap Hiway. 1371 Comment
  RSA8016  Arctostaphylos patula H. A. Barker 1927-6-22 726 Sierra Gold Lake. 1954 Comment
  SEINET7262881  Arctostaphylos patula H. Hamlin s.n. Sierra Sierra Valley Comment
  SEINET7262913  Arctostaphylos patula A. Brel 1998-5-23 s.n. Sierra [Sierra Nevada] 4 miles west of Bordertown, 3 miles from Toiyabe National Forest welcome sign along north most road (unpaved) 1981 Comment
  SEINET7263419  Arctostaphylos patula G. Gifford 1980-6-7 s.n. Sierra [Sierra Nevada] Sierra Buttes along Tamarack Lake to Sardine Lakes trail, upon the ridge of the summit Comment
  SEINET7266020  Arctostaphylos patula C. Esser 1951-4-15 16 Sierra Highway 49, three miles west of Sattley 1524 Comment
  SEINET7266303  Arctostaphylos patula K. E. Bradshaw 1942-5-20 416 Sierra 3 1/2 miles southwest of Purdy, on old Trosi Ranch 1737 Comment
  UCD52191  Arctostaphylos viscida Ellen Dean; A. Shapiro, et al. 2003-8-29 1935 Sierra Tahoe National Forest, north of Hwy 80. Along Washington Road, 1.5 road miles north of junction with Hwy 20. 1371 Comment
  RSA790264  Arenaria congesta J. R. Shevock 1985-5-19 11149 Sierra Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville. 1650 Comment
  JEPS87654  Arenaria congesta var. congesta Lowell Ahart 1994-7-1 7445 Sierra about 1 1/2 mi. ne Middlewaters (about 11 mi (air) ne of Alleghany. on the nw side of the larger pond, slope on the n side of Henness Pass Road, e of Keystone Mountain.); Keystone Gap, e of Keystone Mountain; T19N, R12E, south-east 1/4 Section 6 1889 Comment
  UC64872  Arenaria congesta var. suffrutescens H. M. Hall and E. B. Babcock 1903-7-1 4509 Sierra Sierra Nevada Mountains, Gold Lake 1950 Comment
  UC120412  Arenaria congesta var. suffrutescens J. G. Lemmon 1875-1 39 Sierra Comment
  UCR54441  Arenaria douglasii B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 0877 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
  CAS-BOT-BC82096  Arnica Catherine Best 1983-8-29 865 Sierra on the road above Packers Lake 1950 Comment
  CAS-BOT-BC82236  Arnica chamissonis John Thomas Howell 1969-9-13 46116 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CAS-BOT-BC82241  Arnica chamissonis Alice Eastwood 1918-6-29 7817 Sierra Loyalton Comment
  JEPS16713  Arnica chamissonis Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4267 Sierra near Calpine; Sierra Valley 1493 Comment
  SEINET11265580  Arnica chamissonis Tim Kuhn 2006-7-31 43 Sierra Truckee Ranger District.; 0 Comment
  SEINET6774966 Image available Arnica chamissonis W. Harnach, N. Harnach 1991-7-4 617 Sierra Sierra Valley, 0.25 miles S of Sattley, Martinetti Ranch (the fenced bog hole) 1512 Comment
  UCD84134  Arnica chamissonis 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-BC82239  Arnica chamissonis L. S. Smith 1936-6-3 2781 Sierra Tahoe National Forest, Sierra Valley, in fields east of Calpine 1524 Comment
  RSA417164  Arnica chamissonis subsp. foliosa Fay A. MacFadden 1934-6-29 12551 Sierra Little Truckee River Comment
  RSA789573  Arnica cordifolia J. R. Shevock 1983-6-28 10527 Sierra Greenhorn Mountains. Along forest road 24S15 just east of Tiger Flat. 1951 Comment
  SEINET11837691  Arnica cordifolia J. G. Lemmon 1874-1 s.n. Sierra Comment
  CHSC40672  Arnica dealbata J. D. Jokerst 1982-9-10 1668 Sierra Along the trail to the summit of the Sierra Buttes (from Packer Lake). 2316 Comment
  CHSC52799  Arnica dealbata L. P. Janeway 1984-8-11 984 Sierra Northwest of Sierra Buttes. 2316 Comment
  CHSC66788  Arnica dealbata Vernon H. Oswald; Lowell Ahart 1996-8-19 8215 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just N of the road to Haypress Valley. 2255 Comment
  SEINET6775040 Image available Arnica dealbata W. Harnach, N. Harnach 2000-7-9 945 Sierra Chapman saddle road, 1/4 mi. east of intersection of Lunch Creek Road 2027 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
  JEPS113943  Arnica mollis W. and N. Harnach 2000-6-29 929 Sierra Sierra Valley approx 1/2 mile north of Coburn Lake at the end of access road Comment
  CHSC74061  Arnica nevadensis B. Castro; L. Gehrung, H. Durio 1995-9-14 624 Sierra Mt. Fillmore Mdws: Mdw 1. 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. 2103 Comment
  SEINET8655786 Image available Arnica nevadensis W. Harnach 2015-8-5 1435 Sierra Approx. 3.4 air miles SE of Yuba Pass. 2333 Comment
  JEPS113941  Arnica nevadensis W. and N. Harnach 2000-7-9 941 Sierra Chapman Saddle road 1/4 mile east of intersection of Lunch Creek road. Comment
  CAS-BOT-BC146260  Arrhenatherum elatius var. elatius Thos. Harris 1978-7-11 s.n. Sierra Sierra Nevada. Rose Ranch (awned by Forest and Mary Sheehan) near Scales. 1341 Comment
  CAS-BOT-BC146261  Arrhenatherum elatius var. elatius Alice Eastwood 1918-6-29 7818 Sierra Loyalton. Comment
  CAS-BOT-BC84894  Artemisia cana subsp. bolanderi Mary Strong Clemens 1920-9-3 s.n. Sierra Loyalton 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
  SEINET13709299  Artemisia douglasiana Lowell William Ahart, Lowell William Ahart 2001-1 9104 Sierra Diversion Dam across Little Truckee River S of Fiberboard Rd. (Fsr 18) N of Henness Pass, 5 Air Mi. E of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft. 1920 Comment
  UC334397  Artemisia douglasiana unknown 1890-10-1 Sierra Oleson's Ranch Sierra Valley Comment
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Jul 12 2007
  UC579307  Artemisia dracunculus C. G. Albertus 1935-9-17 283 Sierra 2 1/2 mi n Sierraville; Sierraville Quadrangle 1508 Comment
  SEINET7153378 Image available Artemisia nova W. Harnach, Nancy Harnach 1990-7-29 478 Sierra Sierra Valley, !.5 miles N of the Calpine Rd. intersection on Co. Rd. A-23. Comment
  SEINET7153371 Image available Artemisia nova R. Eckert 1963-7-23 ARS 7 Sierra North of Verdi, Nevada. Dog Valley Rd. 2134 Comment
  UC1119467  Artemisia tridentata subsp. tridentata A. Lewis 1934-10-3 537 Sierra 2 mi se Milton; Tahoe national Forest, Downieville Quadrangle 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
  SEINET6833752  Asclepias cordifolia H. Hamlin s.n. Sierra Sierra Valley Comment
  UC338856  Asclepias cordifolia Lemmon Sierra near B. F. L.; Sierra Valley Comment
  UCD121257  Asclepias cordifolia Verna Jigour; Mark F. Bean 1976-5-9 6 Sierra Southeast slope; road marker #13.38 Comment
  SEINET7112340  Asclepias fascicularis W. Harnach, N. Harnach 1990-7-27 475 Sierra Sierra Valley, W of Loyalton, Antelope Valley, Tenneco mine site 1646 Comment
  JEPS124877 Image available Asclepias fascicularis C. Meek 1969-6-27 30 Sierra 1/4 mi. east of Goodyear's Bar exit off of Hi #49. Comment
  CAS-BOT-BC68779  Aspidotis densa Lowell Ahart 1982-7-28 3695 Sierra 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 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
  SJSU4992  Aspidotis densa N. A. Hopkins 1968-7-5 157 Sierra 0.5 mi W of Packer Lake 2072 Comment
  UC1259224  Asplenium viride Alan Smith with C. D. MacNeill 1975-8-9 667 Sierra e side of larger peaks Sierra Buttes 2286 Comment
  CAS-BOT-BC99204  Aster W. R. Dudley 1894-8-31 s.n. Sierra Near Webber Lake Station Comment
  CAS-BOT-BC99248  Aster M. S. Taylor; R. Wessel 1982-8-20 5029 Sierra Sierra City quad. At Big Springs (Lavezolla fountain) on w side of Hwy 49, ca. 3 air mi. ne of Sierra City Comment
  CAS-BOT-BC99273  Aster W. R. Dudley 1894-8-30 s.n. Sierra Webber Lake Meadows Comment
  RSA252464  Aster alpigenus R. F. Thorne, C. W. Tilforth 1969-9-6 39212 Sierra Moist margin of Haven Lake (between Goose and Snag Lakes). 1951 Comment
  CHSC73405  Aster alpigenus var. andersonii B. Castro; L. Gehrung, H. Durio 1995-9-14 622 Sierra Mt. Fillmore Mdws: Mdw 1. 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. 2103 Comment
  UCR257647  Aster occidentalis var. occidentalis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19494 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-BC477886  Asteraceae W. R. Dudley 1894-9-1 s.n. Sierra Lake of the Woods. Comment
  UCD32550  Astragalus Beecher Crampton 1954-5-11 1890 Sierra Sierra County, Sierra Valley, 4 miles west of Loyalton. 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
  CHSC85013  Astragalus bolanderi John Dittes; Josephine Guardino, Lowell Ahart 2003-7-31 2003 -79 Sierra Northern High Sierra Nevada; ca. 7.4 air-miles southwest of Sierra City, ca. 5.6 air-mile southeast of Downieville, ca. 6.2 air-mile northwest of Bowman Lake; south of Henness Pass Road. 1767 Comment
  UC1714529  Astragalus pulsiferae J. G. Lemmon 1874-1-1 515 Sierra Long Valley Comment
  UC574580  Astragalus pulsiferae Mrs. Pulsifer Ames 1874-8-1 33 Sierra Sierra and Plumas Counties , Long Valley, Sierra Co. (Long Valley, Sierra Co.) Comment
  CAS-BOT-BC205795  Astragalus purshii James R. Shevock 1985-5-19 11143 Sierra Northern Sierra Nevada. Tahoe National Forest. Along California highway 89, 1.4 miles south of Sierraville and about 21 miles north of Interstate 80 1700 Comment
  CAS-BOT-BC68746  Athyrium alpestre var. americanum Lewis S. Rose 1934-7-13 34359 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC68749  Athyrium alpestre var. americanum J. D. Jokerst 1982-9-10 1672 Sierra Immediately adjacent to the dirt road that serves the lookout of the Sierra Buttes ca 150 meaters below its end near the 2590 Comment
  CHSC57401  Athyrium distentifolium var. americanum L. P. Janeway 1984-9-15 1155 Sierra Between Young America Lake and Tamarack Lake, on the Tamarack Lake side. Rocky north-facing slope on ridge. 2194 Comment
  UC336661  Athyrium distentifolium var. americanum J. G. Lemmon 1874-8-15 Sierra near Webber Lake (side of Mt Rose) Comment
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Sep 4 2010
  CAS-BOT-BC17425  Athysanus pusillus Anna Head 1921-6-21 s.n. Sierra Feather River Region. Campbell Hot Springs. Comment
  JEPS29729  Balsamorhiza deltoidea Rimo Bacigalupi and L. R. Heckard 1962-5-27 8485 Sierra 4.7 mi ne Sierraville (e edge of s arm of Sierra Valley); Sierra Valley 1524 Comment
  SEINET7239821 Image available Balsamorhiza hookeri var. neglecta C. Bell 1962-5-9 30 Sierra Old Verdi Road, southwest of Verdi, right side of road; some distance out 1524 Comment
  CAS-BOT-BC100101  Balsamorhiza sagittata W. Harnach; N. Harnach 1990-4-19 265 Sierra Knuthson Meadows (commonly called Carman Valley) 1548 Comment
  SBBG7795  Balsamorhiza sagittata H. and M. Dearing 1939-5-9 3312 Sierra N of Sierra Buttes Comment
  CAS-BOT-BC16677  Barbarea orthoceras W. Harnach; N. Harnach 1990-5-7 286 Sierra Sierra Valley. Kirkpatrick Ranch. Along irrigation ditch. 1505 Comment
  CAS-BOT-BC16678  Barbarea orthoceras Javier Penalosa 1962-6-20 2517 Sierra Little Truckee River at Highway 89. 1905 Comment
  CAS-BOT-BC16682  Barbarea orthoceras P. A. Lehenbauer 1937-6-8 96 a Sierra South side of Truckee River by falls, Iceland. 1676 Comment
  CAS-BOT-BC16684  Barbarea orthoceras Rimo Bacigalupi 1957-7-4 1608 Sierra Along North Fork of Yuba River 2 miles west of Yuba Pass. 1920 Comment
  SEINET11193239  Barbarea orthoceras W. Harnach, N. Harnach 1990-5-7 286 Sierra Sierra Valley, Approx 1 mile S of Calpine, Kirkpatrick Ranch. 1506 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
  UCD95004  Berberis nervosa Gordon H. True; Charlotte Pyle 1977-9-29 8461 Sierra About 2 miles airline south of Indian Valley. Indian Creek on Joubert-Mt. House road ca. 6.5 miles east of Hwy. 49 at Joubert Diggings ca. 3.5 miles north of Camptonville. 1280 Comment
  CAS-BOT-BC75956  Berberis pumila Wm. Vortriede 1928-4-15 s.n. Sierra Downieville. Comment
  SEINET12101693  Berberis repens J. G. Lemmon 1874-1 s.n. Sierra no further locality Comment
  JEPS16044  Berula erecta J. G. Lemmon 1889-1 Sierra Sierra Valley Comment
  CAS-BOT-BC413064  Bistorta bistortoides L. S. Smith 1939-1-1 s.n. Sierra Sardin Meadows 2133 Comment
  CAS-BOT-BC413067  Bistorta bistortoides Belle R. Jackson 1932-6-1 s.n. Sierra Sierra Valley Comment
  SEINET4176363  Bistorta bistortoides N. Johnson 1951-5-19 66 Sierra Dog Valley, west end 1829 Comment
  CAS-BOT-BC15778  Boechera Lowell Ahart 1980-9-9 2603 Sierra Sierra Nevada. Rocky gorge between the outlet of Webber Lake and Little Truckee River. 2200 Comment
  CAS-BOT-BC16867  Boechera Lowell Ahart 1978-7-29 s.n. Sierra 0.5 mile east of Stafford Mountain. 2200 Comment
  SJSU12156  Boechera arcuata N. A. Hopkins 1975-6-16 676 Sierra c. 3 mi NNE of Downieville 1005 Comment
  UC1446116  Boechera breweri Lowell Ahart 1979-7-15 Sierra ca 1 mi e Mt. Etna (se of Stafford Mtn, growing above the road from La Porte to Johnsville, to the s is a small hill shaped like a triangle) 1800 Comment
  CHSC94222  Boechera constancei Lowell Ahart 2006-6-28 12894 Sierra On the northwest side of the dirt road (road goes from Gibsonville to Johnsville), about 200 yards northeast of the camp and road (road goes to Howland Flat), less than 1/2 mile (air) northeast of Lake Delahunty, about 1 3/4 miles (air) northeast of Gibsonville. 1901 Comment
  CHSC47380  Boechera divaricarpa Lowell Ahart 1985-7-13 877 Sierra On a gravel bar along Pass Creek, in French Meadows, about 3 miles west and 1/2 mile south of Webber Lake. 2133 Comment
  CHSC57174  Boechera platysperma L. P. Janeway 1984-8-3 967 Sierra Top of ridge (Sierra Nevada crest) west of Packer Lake and north of Packer Saddle. Along dirt road. 2164 Comment
  SJSU12135  Boechera retrofracta N. A. Hopkins 1979-6-9 944 Sierra c. 1 mi SW of Calpine, Sierra Valley 1554 Comment
  CAS-BOT-BC478474  Boisduvalia W. Harnach; N. Harnach 1989-8-27 244 Sierra Sierra Valley 1496 Comment
  SEINET12188879  Boisduvalia glabella J. G. Lemmon 1874-1 88 Sierra Comment
  CHSC85026  Botrychium simplex var. compositum John Dittes; Lowell Ahart 2003-9-28 838 Sierra Northern High Sierra Nevada; ca. 7.6 air-miles northeast of La Porte, ca. 11.9 air-miles north of Downieville, ca. 14.9 air-miles south by southeast of Quincy; north slope of Mt. Fillmore. Bank of drainage in meadow. 2182 Comment
  CHSC36987  Boykinia occidentalis M. S. Taylor; R. Wessel 1982-8-20 5026 Sierra At creek crossing Hwy 49, at Indian Hill Loop, ca. 4 air mi ne of Camptonville. 944 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
  CAS-BOT-BC36693  Brassica rapa Alice Eastwood 1918-6-29 7803 Sierra Loyalton. Comment
  RSA94797  Brickellia microphylla J. G. Lemmon 1875-1 116 Sierra Tellac Peak, aboe Tahoe Comment
  CAS-BOT-BC484382  Brodiaea elegans subsp. elegans John Thomas Howell 1955-7-20 30874 Sierra Sierra Nevada, Near Calpine 1508 Comment
  RSA107456  Brodiaea elegans subsp. elegans L. S. Rose 1955-7-20 55166 Sierra 2 miles south of Calpine 1509 Comment
  SEINET4345260  Bromus carinatus P. B. Kennedy, S. B. Doten 1901-7-8 127 Sierra [Sierra Nevada] Near Webber Lake Comment
  SEINET4345384  Bromus carinatus W. D. Billings 1951-7-8 2115 Sierra Hillside west of Weber Lake 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
  JEPS75578  Bromus carinatus var. carinatus W. L. Jepson 1934-8-6 16865 Sierra Yuba Pass 2011 Comment
  UC337348  Bromus carinatus var. carinatus unknown Sierra Sierra Valley; Northern California, Sierra Valley 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
  UCD59115  Bromus carinatus var. marginatus A. A. Beetle 1944-8-17 3047 Sierra 5 miles northeast of Sierraville. Comment
  SEINET4374606  Bromus commutatus W. Harnach, N. Harnach 1991-6-29 595 Sierra Sierra Valley. 1.5 miles east of Calpine on Calpine Rd. 1503 Comment
  CAS-BOT-BC162474  Bromus laevipes John Thomas Howell; Gordon H. True 1969-6-25 45861 Sierra Sierra Nevada. North Fork of Yuba River, 5 miles east of Indian Valley. 762 Comment
  CHSC94136  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
  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
  UCR17473  Bromus marginatus Frank C. Vasek 1975-7-10 750710- 09 Sierra Sierra Nevada Mtns., 1 mi west of State Hwy 89 on Henness Pass Rd. 1951 Comment
  UCD59267  Bromus orcuttianus L. S. Smith 1916-6-30 723 Sierra Dog Valley east side. Comment
  SEINET4404026  Bromus orcuttianus M. J. Williams, B. Trowbridge, G. True Jr., A. Tiehm 1977-7-26 77- 48 -4 Sierra Independence Lake 2118 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-BC185610  Bromus tectorum Alice Eastwood 1918-6-29 7935 Sierra Loyalton. Comment
  UCD84121  Bromus tectorum Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  CHSC58530  Calliscirpus brachythrix Vernon H. Oswald; Lowell Ahart 1992-7-12 5099 Sierra Harris Meadow, E of Granite Mtn., SSE of Downieville. 1706 Comment
  UC337915  Calochortus leichtlinii J. G. Lemmon Sierra Webber Lake Comment
  UC337916  Calochortus leichtlinii J. G. Lemmon Sierra Meadow Lake Comment
  UC66121  Calochortus leichtlinii S. B. Doten 1901-7-5 88 Sierra Webber Lake Comment
  SEINET5323734  Calochortus leichtlinii P. B. Kennedy, Samuel Bradford Doten 1901-7-5 88 Sierra [Sierra Nevada] Webber Lake Comment
  SEINET8197345  Calochortus leichtlinii S. B. Doten 1901-7-5 88 Sierra Webber Lake Comment
  CHSC43358  Calochortus monophyllus Lowell Ahart 1972-4-28 88 Sierra Along Scales Road, about 10 miles south of La Porte, about 2 miles west of Scales. 1066 Comment
  CAS-BOT-BC181494  Caltha leptosepala Barbara T. Keller 1974-6-15 1483 Sierra Chapman Creek Campground, about 7 miles NE of Sierra City on Highway 49 1767 Comment
  JEPS84047  Calyptridium monospermum L. R. Heckard with Susan D'Alcamo 1986-6-6 6275 Sierra ca 2 mi n Sierra City; Sierra Valley 1450 Comment
  SEINET10761729  Calyptridium monospermum Andrew Townesmith, Karen M. Meyer 2007-7-18 Townesmith 828 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
  SEINET5336273  Calyptridium paniculatum B. D. Hildebrand 1946-6-23 H- 63 Sierra Vicinity of Calpine, Sierra county, California. 1585 Comment
  CHSC109876  Calyptridium umbellatum L. P. Janeway; B. Castro 2012-6-16 10877 Sierra Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1885 Comment
  SEINET5336285  Calyptridium umbellatum W. D. Billings 1951-7-20 2128 Sierra Dry granite slope, rusted, S. end of Lincoln Valley. 2195 Comment
  UCD126133  Calystegia malacophylla Adeline Frederick 1925-6-1 s.n. Sierra Downieville, Sierra Nevada Mountains. Comment
  JEPS110054  Calystegia malacophylla subsp. malacophylla Lowell Ahart 2006-6-21 12824 Sierra On the north side of the road, about 2 miles (by road) west of Forest 1329 Comment
  CHSC94116  Calystegia occidentalis subsp. occidentalis Lowell Ahart 2006-6-21 12796 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany. 849 Comment
  JEPS124669 Image available Camassia leichtlinii subsp. suksdorfii P. Matteson 1968-6-27 36 Sierra Hwy 49 at Yuba Pass. Comment
  SEINET12054017  Camassia quamash J. G. Lemmon 1874-1 215 Sierra Sierra Co. &c. Comment
  SEINET8471922  Camassia quamash K. E. Bradshaw 1942-5-21 KB 426 Sierra Sierra Nevada, 3 mi. SW of Purdy, on Old Trosi Ranch. 1676 Comment
  CAS-BOT-BC497582  Camassia quamash subsp. breviflora Frank W. Gould 1938-6-25 438 Sierra Calpine, 3miles north of Sattley 1493 Comment
  SEINET12045049  Camassia quamash subsp. breviflora L. DeBuhr, Wallace, G. 1972-1 584 Sierra at Calpine on Hwy. 89 Comment
  SEINET5344120  Camissonia pusilla W. Harnach, N. Harnach 1989-5-21 110 Sierra 0.5 miles E of Calpine, Calpine Ranch (home) 1 Comment
  HSC60618  Camissonia tanacetifolia Carl Wishner 1978-6-30 523 Sierra 5 mi. N of Calpine off Hwy. 89 Comment
  CAS-BOT-BC160847  Camissonia tanacetifolia subsp. quadriperforata James R. Shevock 1985-5-19 11144 Sierra Sierra Valley. Along California highway 49 just south of Rice Hill, 4.3 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  CAS-BOT-BC160857  Camissonia tanacetifolia subsp. tanacetifolia Catherine Best 1984-6-19 1010 Sierra On Hwy A23, about .5 miles from the Plumas Co. line. Sierra Valley Comment
  SEINET10463146  Campanula prenanthoides John G. Lemmon 1874-1 Lemmon 594 Sierra Comment
  SEINET10463466  Campanula scouleri John G. Lemmon 1874-1 Lemmon 4546 Sierra Comment
  CAS-BOT-BC37309  Cardamine breweri Betty J. jorgensen 1944-6-22 485 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  CAS-BOT-BC37353  Cardamine californica Alice Eastwood 1918-4-6 6772 Sierra Downieville. Comment
  CAS-BOT-BC37369  Cardamine californica L. S. Smith 1926-4-16 1780 Sierra Tahoe Forest. Forest Hill Divide. 1097 Comment
  CAS-BOT-BC282953  Carduus nutans T. C. Fuller 1965-8-27 14043 Sierra Headwaters of Purdy Creek, Long Valley, 2 miles S of Bordertown Comment
  CDA6822  Carduus nutans T. C. Fuller 1965-8-27 14043 Sierra Headwaters of Purdy Creek, Long Valley, 2 miles south of Bordertown Nevada. 0 Comment
  UCR206559  Carex George K. Helmkamp, E. A. Helmkamp 2009-5-28 14853 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  SEINET10856100  Carex Lowell Ahart 1991-7-22 Ahart 6685 Sierra Growing on wet bare gravelly soil on the bottom of a very small branch of Pass Creek in French Meadow about 1/4 mile south of Henness Pass Road about 3 miles north-west of Webber Lake. Mountain Meadow in Red Fir Forest. 2134 Comment
  CDA38808  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 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. Comment
  SBBG125480  Carex abrupta L. Ahart 2010-9-15 17191 Sierra W side of poor rd, ca. 15 yrds N of first pond, ca. 20 yards NW of the cabin, ca. 50 yards SW of middle pond, at the spring, ca. 2.75 mi N of Yuba Pass on Hwy 49, ca. 4 mi E of Haskell Peak 2134 Comment
  CHSC55550  Carex angustata L. P. Janeway 1984-8-26 1095 Sierra Along the creek draining Snag Lake. 2026 Comment
  CHSC69917  Carex angustata L. P. Janeway; Eric Schroder 1997-8-14 5343 Sierra Church Meadows; about 1.5 mi east of Gold Lake. 2072 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
  CAS-BOT-BC18121  Carex athrostachya D. E. Breedlove 1962-6-13 3496 Sierra Along state Highway 89, 6.8 miles north of Sierraville. 1524 Comment
  SEINET10585149  Carex athrostachya Ertter 1987-6-27 ERTTER 7226 Sierra Kyburz Flat ca 12 airmiles N of Truckee, head of Little Truckee River; ca 1.5 mi E of Hwy 89 on Tahoe Nat'l For. Rd S450; T19N R16E Sec 7; moist banks of scooped-out pond at N edge of flat, with Marsilea and Eleocharis. Locally common, tufted. 1920 Comment
  SEINET10861852  Carex aurea Unknown Anonymous 126 Sierra Mount Shasta. Comment
  CAS-BOT-BC19401  Carex bolanderi Catherine Best 1981-6-19 s.n. Sierra Sierra Nevada. Herringtons, Sierra City. Comment
  CAS-BOT-BC34212  Carex canescens Lewis S. Rose; J. W. Stacey 1934-7-3 34324 Sierra Gold Lake. 1950 Comment
  CHSC66824  Carex capitata Vernon H. Oswald; Lowell Ahart 1996-8-19 8221 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
  HSC93306  Carex capitata Vernon H. Oswald, L. Ahart 1996-8-19 8221 Sierra Northern High Sierra Nevada; Yuba Pass-Weber Lake Rd. (Forest Route 12) 1.5 mi. S of the road to Haypress Valley 2195 Comment
  JEPS63526  Carex capitata W. L. Jepson 16839 Sierra 2 mi e Bassett sta.; North Fork Yuba River, Pioneer sta. 1706 Comment
  CHSC102950  Carex davyi Peter F. Zika 2009-8-23 24622 Sierra Sierra Nevada Highlands, n SNH. Above culvert, Forest Service Road 260, 1.05 road miles W of Route 89 on the signed (4 mi) road to Sagehen Campground; Sagehen Experimental Forest, Truckee Ranger District, Tahoe National Forest. 1990 Comment
  RSA757864  Carex davyi P. F. Zika 2009-8-23 24622 Sierra Above culvert, Forest Service Road 260, 1.05 road miles west of Route 89 on the signed road to Sagehen Campground. Sagehen Experimental Forest, Truckee Ranger Districk, Tahoe National Forest. 1990 Comment
  CDA11865  Carex douglasii G. F. Hrusa, J. Jokerst 1991-7-5 8565 A Sierra Sierra Valley Region; Antelope Valley. Comment
  JEPS117649  Carex echinata subsp. echinata Lowell Ahart 2010-8-3 17039 Sierra On the north side of the road to Granite Mountain, north part of Harris Meadow, about 7 miles (air) northeast of Alleghany 1793 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
  CAS-BOT-BC20171  Carex filifolia var. erostrata Lemmon 1875-1-1 s.n. Sierra Sierra Valley. Comment
  SJSU12208  Carex fracta N. A. Hopkins 1984-8-4 1224 Sierra c. 1.7 mi SW of Calpine 1584 Comment
  CHSC115740  Carex hassei Peter F. Zika 2013-6-28 26257 Sierra Sierra Buttes Road, 2.4 air km SW of Sierra Buttes peak, northern High Sierra Nevada. 1620 Comment
  UC1609340  Carex heteroneura Lowell Ahart 1993-9-10 7201 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
  CHSC41271  Carex heteroneura var. heteroneura J. D. Jokerst 1984-7-23 2112 Sierra Several miles east of Sierra City, ca. 200 feet north of Haypress Creek. 1767 Comment
  CHSC67136  Carex hoodii James D. Jokerst 1990-7-27 3158 Sierra Balls Ranch. Burma Summit, 6 mi SE of Loyalton. 2468 Comment
  JEPS117600  Carex hoodii Lowell Ahart 2010-9-15 17184 Sierra On the north edge of the first pond, south side of the road and 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
  CAS-BOT-BC7655  Carex integra P. B. Kennedy; S. B. Doten 1901-7-2 70 Sierra Webber Lake. 2063 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
  CAS-BOT-BC31105  Carex lemmonii Lowell Ahart 1982-7-28 3725 Sierra Along the dirt road N of the Pacific Mine, ca 5 mi E of La Porte. 1700 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
  SEINET10467095  Carex lemmonii Lowell Ahart 1991-7-22 Ahart 6686 Sierra In French Meadow, near a small branch of Pass Creek, 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
  UCD108014  Carex lenticularis Tim Kuhn 2006-7-31 63 Sierra Truckee Ranger District. Comment
  CHSC108081  Carex lenticularis var. impressa Lowell Ahart 2011-9-23 17706 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
  CHSC40985  Carex lenticularis var. lipocarpa J. D. Jokerst 1984-7-23 2115 Sierra Ca. 3.5 miles east of Sierra Ciry, ca. 200 feet north of Haypress Creek. 1767 Comment
  CHSC54571  Carex lenticularis var. lipocarpa Lowell Ahart 1991-7-22 6685 Sierra On the bottom of a very small branch of Pass Creek in French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  UC1586399  Carex lenticularis var. lipocarpa Lowell Ahart 1991-7-22 6685 Sierra about 1/4 mi s Henness Pass Road (along a very small branch of Pass Creek in French Meadow, about 3 mi nw of Webber Lake); Pass Creek, French Meadow 2133 Comment
  CAS-BOT-BC28470  Carex lenticularis var. lipocarpa Lewis S. Rose 1934-7-9 34341 Sierra Meadow, Squaw Lake near Gold Lake. 2011 Comment
  CAS-BOT-BC28473  Carex lenticularis var. lipocarpa L. P. Janeway 1984-8-25 1071 Sierra At Snag Lake. Sierra City NW quad. 2026 Comment
  CHSC48070  Carex leporinella L. P. Janeway 1984-9-1 1145 Sierra Saddle along the Sierra Nevada crest NW of Gold Lake. 2164 Comment
  UCD108031  Carex leporinella Tim Kuhn 2006-7-31 71 Sierra Truckee Ranger District. Comment
  HSC93249  Carex luzulifolia Vernon H. Oswald, L. Ahart 1996-8-19 8197 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12), just S of road to Lincoln Valley 2256 Comment
  CAS-BOT-BC31574  Carex luzulifolia Lowell Ahart 1978-9-26 s.n. Sierra Mt. Fillmore. 670 Comment
  CAS-BOT-BC31575  Carex luzulifolia Lewis S. Rose 1934-7-17 34379 Sierra Mountain meadow, Ridge W of Gold Lake. 2103 Comment
  CHSC61887  Carex microptera Lowell Ahart 1993-9-10 7222 Sierra On the north side of Mount Fillmore, about 1 1/2 miles south of the dirt road from Gibsonville to Johnsville. 2255 Comment
  CHSC60560  Carex multicaulis L. P. Janeway 1984-8-3 964 Sierra Top of ridge west of Packer Lake and north of Packer Saddle. 2194 Comment
  CAS-BOT-BC32044  Carex multicaulis Lemmon 1882-1-1 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC32045  Carex multicaulis Lemmon 1882-1-1 s.n. Sierra Sierra Valley Comment
  SJSU9763  Carex multicaulis C. W. Sharsmith 1982-6-1 8686 Sierra near Sierra City 1280 Comment
  SEINET7486013 Image available Carex multicostata Peter F. Zika 2009-1 24620 Sierra Yuba Pass, N side of Route 49, near picnic area, 2012 Comment
  CDA9673  Carex nebrascensis D. W. Taylor, D. G. Kelch 2003-8-2 Sierra Yuba Pass. Comment
  CAS-BOT-BC119881  Carex nebrascensis R. K. Gierisch; D. H. Esplin 1969-8-25 3582 Sierra Unspecified. 2072 Comment
  CAS-BOT-BC119885  Carex nebrascensis Gordon H. True 1966-7-21 3098 A Sierra Sierra Valley, ca 1 mi N of Sattley. 1493 Comment
  CAS-BOT-BC119892  Carex nebrascensis Lemmon 1875-9-1 s.n. Sierra Sierra Valley Comment
  SEINET7568764 Image available Carex nervina Lewis S. Rose 1934-7-7 34337 Sierra Mountain meadow, SW of Gold Lake. 2103 Comment
  CAS-BOT-BC118927  Carex pellita Alice Eastwood 1918-6-29 7919 Sierra Loyalton Comment
  CHSC108084  Carex pellita Lowell Ahart 2011-9-23 17707 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
  SEINET10708721  Carex praegracilis A. Arthur Heller, Patrick B. Kennedy 1907-7-1 Heller 8668 Sierra Purdy. Comment
  CHSC48069  Carex preslii L. P. Janeway 1984-9-15 1156 Sierra Northern side of Sierra Buttes; rocky N-facing slope up against rock wall, on ridge between Young American and Tamarack Lakes on Tamarack Lake side. 2194 Comment
  CAS-BOT-BC118608  Carex raynoldsii Catherine Best 1981-6-18 s.n. Sierra Meadow at Yuba Summit. Comment
  CHSC53542  Carex rossii L. P. Janeway 1984-7-29 945 Sierra Ridgetop/saddle near Rd 28 (21N11) ca 3 1/2 mi from Gold Lake. 2225 Comment
  CHSC53545  Carex rossii L. P. Janeway 1984-8-3 968 Sierra Sierra Nevada crest north of Sierra Buttes and west of Packer Lake. 2164 Comment
  JEPS117644  Carex rossii Lowell Ahart 2010-8-3 17031 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) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast 1731 Comment
  CAS-BOT-BC118207  Carex rossii Catherine Best 1980-6-12 s.n. Sierra Gold Lake Comment
  CAS-BOT-BC118212  Carex rossii L. P. Janeway 1984-7-29 950 Sierra Sierra City NE quad, Ridgetop/saddle near Rd 28 (21N11) ca 3.5 mi from Gold Lake. 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
  CHSC47004  Carex scopulorum var. bracteosa L. P. Janeway 1989-8-11 3581 Sierra Plumas National Forest. Northeast flank of Haskell Pk and ca 3/4 mi NW of Chapman Saddle, red fir forest. 2103 Comment
  CHSC73471  Carex scopulorum var. bracteosa B. Castro; L. Gehrung, H. Durio 1995-9-14 647 Sierra Mt. Fillmore Mdws: Mdw 1. 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, feeding Pearson Ravine via springs and cascades 2103 Comment
  CHSC77251  Carex simulata G. Schoolcraft 1996-6-26 2528 Sierra Long Valley Creek s. of Hallelujah Junction. 1524 Comment
  CAS-BOT-BC117694  Carex simulata John Thomas Howell 1951-8-21 28252 Sierra 5 miles from Calpine on road to Blairsen. 1524 Comment
  UC733662  Carex specifica L. S. Smith 1928-6-18 2361 Sierra Jones Valley Trail; Tahoe National Forest 2072 Comment
  CHSC57143  Carex spectabilis L. P. Janeway; Garrett Gibson 1991-8-16 4138 Sierra Plumas National Forest. Northeast side of top of ridge between Mills Peak and Mohawk Gap; ca 1 1/4 mi southeast of Mills Peak. 2237 Comment
  UC1609353  Carex spectabilis Lowell Ahart 1993-9-10 7221 Sierra about 1 1/2 mi s of the dirt road from Gibsonville to Johnsville; Mount Fillmore 2255 Comment
  SEINET13709206  Carex spectabilis S. B. Doten 1901-7-5 98 Sierra Webber Lake Comment
  SEINET13709210  Carex spectabilis S. B. Doten 1901-7-5 98 Sierra Webber Lake 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
  CAS-BOT-BC115866  Carex subfusca Alice Eastwood 1918-6-29 7918 Sierra Loyalton. Comment
  CAS-BOT-BC115874  Carex subfusca James D. Jokerst 1985-7-22 2528 Sierra Carman Creek, Calpine Quad 901 Comment
  JEPS49046  Carex subfusca Leland S. Smith 1927-7-27 2118 Sierra along road above Dorsey Station; Yuba Pass road 1981 Comment
  JEPS63522  Carex subfusca W. L. Jepson 1934-8-6 16864 Sierra Yuba Pass 2011 Comment
  SEINET13721858  Carex subfusca S. B. Doten 1901-7-2 70 Sierra [Sierra Nevada] Webber Lake Comment
  CHSC47084  Carex utriculata L. P. Janeway 1989-8-11 3582 Sierra Plumas National Forest. Northeast flank of Haskell Pk and ca 3/4 mi NW of Chapman Saddle. 2103 Comment
  OBI49278  Carex utriculata Lewis S. Rose 1934-7-3 34325 Sierra Gold Lake 1951 Comment
  RSA252434  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-6 39188 Sierra Just E of Highway from Snag Lake (SE of Gold Lake). 1951 Comment
  SEINET11064808  Carex utriculata W. Harnach, N. Harnach 1989-5-13 86 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (Elvers) 1518 Comment
  CAS-BOT-BC115438  Carex utriculata Mrs. E. C. Sutliffe 1921-7-27 s.n. Sierra Unspecified Comment
  CHSC45321  Carex vesicaria L. P. Janeway 1984-8-25 1060 Sierra At Snag Lake. 2026 Comment
  CAS-BOT-BC115159  Carex vesicaria John Gill Lemmon 1875-9-1 s.n. Sierra Sierra Valley. Comment
  UC1133492  Carex whitneyi L. S. Smith 1928-6-18 2363 Sierra s Loyalton (Jones Valley Trail); Tahoe Forest, Sierraville Quadrangle, Jones Valley 2072 Comment
  RSA8062  Cassiope mertensiana subsp. californica H. A. Barker 1927-8-14 840 Sierra Round Lake Ridge. 2256 Comment
  SEINET12288734  Castilleja J. G. Lemmon 1874-1 158 Sierra Sierra Co. &c Comment
  UCR270413  Castilleja applegatei John F. Emmel 2000-6-10 1656 Sierra Eastern Sierra Nevada Mountains, Dog Creek Canyon 1707 Comment
  CHSC115186  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-5-9 20167 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
  CHSC94225  Castilleja applegatei subsp. pinetorum Lowell Ahart 2006-6-28 12879 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
  JEPS108721  Castilleja applegatei subsp. pinetorum Lowell Ahart 2006-6-28 12879 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
  JEPS30942  Castilleja applegatei subsp. pinetorum D. E. Breedlove 1962-6-13 3479 Sierra 10.7 mi n Sierraville (along State Highway 89) 1615 Comment
  CAS-BOT-BC243736  Castilleja applegatei var. pinetorum James T. Vale 1981-5-23 s.n. Sierra On road from Sierraville to Truckee, Sierra Nevada Comment
  CAS-BOT-BC243742  Castilleja applegatei var. pinetorum George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CHSC73443  Castilleja arachnoidea B. Castro; L. Gehrung, H. Durio 1995-9-14 614 Sierra Ca 0.7 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
  SJSU5136  Castilleja arachnoidea N. A. Hopkins 1968-6-28 133 Sierra Packer L 1950 Comment
  UC124139  Castilleja arachnoidea J. G. Lemmon 1874-1 Sierra Comment
  JEPS4559  Castilleja campestris subsp. campestris Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4292 Sierra s of Hawley railroad station (on the W.P.R.R. (mainline) to Loyalton, middle of Sierra Valley); Sierra Valley 1481 Comment
  CAS-BOT-BC251406  Castilleja lemmonii W. R. Dudley 1894-8-30 s.n. Sierra Webber Lake, by road west to Mt. Lake Comment
  CAS-BOT-BC254093  Castilleja miniata Mrs. H. C. Cantelow 1938-7-2 s.n. Sierra 2 miles east of Downieville Comment
  CHSC37297  Castilleja miniata M. S. Taylor 1982-7-19 4882 Sierra Between Hwy 89 and Little Truckee River, ca. 1/4 mi n of Little Truckee Campground ca. 12 mi sw of Sierraville. Comment
  JEPS125650  Castilleja miniata Shuxiao Zhang 2015-7-8 009 Sierra On property south of Packer Lake and west of Tamarack Lakes, in Tahoe National Forest area. Comment
  JEPS15596  Castilleja miniata Rimo Bacigalupi with Richard Hauke and George Bacigalupi Jr. 1954-7-16 4731 Sierra e end Gold Lake; Plumas National Forest 1947 Comment
  JEPS30945  Castilleja miniata D. E. Breedlove 1962-6-13 3532 Sierra 11.3 mi s Sierraville (on State Hwy 89, on bank of Little Truckee River); Sierra Nevada, Little Truckee River 1905 Comment
  JEPS81479  Castilleja miniata M. S. Taylor 1982-8-20 5030 Sierra ca 3 air mi ne Sierra City (at Big Springs (Lavezolla fountain), on w side of Hwy 49); Sierra City Quad., Big Springs Comment
  SEINET14063338  Castilleja miniata P. B. Kennedy, S. B. Doten 1901-7-10 138 Sierra Canyon below Webber Lake. Comment
  SEINET14063339  Castilleja miniata P. B. Kennedy, S. B. Doten 1901-7-11 138 Sierra Canyon below Webber Lake. Comment
  SEINET14141858  Castilleja miniata W. Harnach, N. Harnach 1990-6-30 444 Sierra Yuba Pass. 2042 Comment
  CAS-BOT-BC254096  Castilleja miniata Lewis S. Rose 1934-7-13 34358 Sierra Stream banks, Gold Lake 1950 Comment
  RSA448753  Castilleja miniata Britton, Townsend 1939-8-24 135 Sierra North bank of Yuba River, 7 miles above Sierra City. Comment
  UC1442611  Castilleja nana Lowell Ahart 1978-7-29 Sierra n side Mt. Fillmore 2300 Comment
Read comments
Dec 19 2007
  CAS-BOT-BC241046  Castilleja pilosa Alice Eastwood 1918-6-29 7812 Sierra Loyalton Comment
  CHSC57316  Castilleja pilosa L. P. Janeway 1984-8-11 979 Sierra Northwest of Sierra Buttes. 2316 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
  JEPS50663  Castilleja pilosa Herbert L. Mason 1958-7-13 Sierra about 0.5 mi w Calif. Hwy. 89 (and about 2.5 mi n of Sierra-Nevada County line) 1950 Comment
  OBI59424  Castilleja pilosa Rimo Bacigalupi, H. L. Mason & J. R. Sweeney 1953-7-7 4266 Sierra Near Calpine, Sierra Valley 1494 Comment
  SJSU14006  Castilleja pilosa N. A. Hopkins 1988-5-31 1410 Sierra between Beckwourth & Sattley, Sierra Valley 1493 Comment
  SJSU5393  Castilleja pilosa N. A. Hopkins 1968-6-28 134 .5 Sierra Packer L 1950 Comment
  SJSU12059  Castilleja pruinosa N. A. Hopkins 1975-6-16 671 Sierra above Pauley Cr between 2nd & 3d divides 1158 Comment
  JEPS62843  Castilleja tenuis John Weiler 1970-6-28 70143 Sierra 0.5 mi n Sierraville 1676 Comment
  JEPS77532  Castilleja tenuis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-21 4903 A Sierra about 1 mi n Calpine (along Route 89 to Blairsden, w of Sierra Valley) 1524 Comment
  SBBG7050  Castilleja tenuis H. and M. Dearing 1939-7-4 3820 Sierra Gold Lake Comment
  CHSC78263  Ceanothus arcuatus Lowell Ahart 2000-6-15 8477 Sierra On the west side and below Mountain House Road, about 1 mile 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
  JEPS98284  Ceanothus arcuatus Lowell Ahart 2000-6-15 8476 Sierra E bank of Mountain House Road, 1 mi S of int. of Mountain House Rd and Henness Pass Rd, 1 air mi NW of Forest, 2 air mi NW of Alleghany 1463 Comment
  CAS-BOT-BC48638  Ceanothus cordulatus W. R. Dudley 1894-8-1 s.n. Sierra Near Webber Lake Comment
  CAS-BOT-BC48644  Ceanothus cordulatus Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC48645  Ceanothus cordulatus George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  RSA212220  Ceanothus cordulatus L. S. Rose 1969-6-25 69056 Sierra Gold Lake. 1951 Comment
  SCFS2219  Ceanothus integerrimus R. Jockel 1969-6-27 15 Sierra At side of jeep rd between first and second Sardine Lakes, E of Sierra Buttes 2134 Comment
  UCD15407  Ceanothus integerrimus Lorraine Prunier 1982-5-22 17 Sierra California, Sierra Co.; at benchmarck G213 along highway 49; 609 Comment
  SEINET11191825  Ceanothus leucodermis B. Hildebrand 1946-6-15 H- 62 Sierra 2 miles west of Calpine, Sierra Co. 1646 Comment
  CAS-BOT-BC52107  Ceanothus prostratus Nancy Kittle 1981-5-16 068 Sierra Intersection of Rts. 89 and 49 1650 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
  UCD32538  Ceanothus prostratus Beecher Crampton 1954-5-10 1856 Sierra Sierra County, east slope Yuba Pass, 3 miles west of Sattley, along highway 49. 1767 Comment
  SEINET11201677  Ceanothus prostratus A. Bruner 1962-5-9 s.n. Sierra Southwest Dog Valley 1829 Comment
  SEINET5339358  Ceanothus prostratus G. Earl 1955-5-18 s.n. Sierra Dog Valley, NE of Verdi, Nevada. Very rough mountainous country. Found at south end of the Valley. 1829 Comment
  SEINET5339418  Ceanothus prostratus M. J. Williams 1983-8-7 83- 134 -1 Sierra Between Sardine Valley and Jammer Puncher chair flat. 1981 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
  UCR552  Ceanothus velutinus Frank C. Vasek 1955-6-26 255 Sierra Sierra Nevada Mountains, along Hwy 89, 10 miles north of Truckee 1860 Comment
  CAS-BOT-BC63194  Ceanothus velutinus var. velutinus Roxana S. Ferris 1926-9-7 6808 Sierra 9 mi. from Markleville on Ebbett Pass Road. Comment
  CAS-BOT-BC63195  Ceanothus velutinus var. velutinus W. R. Dudley 1894-8-30 s.n. Sierra W. of Webber Lake, Mt. Lake Pass. Comment
  SBBG120364  Ceanothus velutinus var. velutinus D. Wilken with E. Painter 2007-6-18 16756 Sierra St Hwy 49 between Big Cyn and Truner Cyn, 1.6 km NE of Yuba Pass 1900 Comment
  CAS-BOT-BC272121  Centaurea cyanus Margaret Williams; Arnold Tiehm 1974-6-2 s.n. Sierra Near Cold Creek Campground se. of Sierraville 1706 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
  RSA157733  Cerastium beeringianum T. C. Fuller 1962-6-12 8969 Sierra Little Shasta Road, 5 miles E of Montague Comment
  UCR249148  Cerastium vulgatum George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20759 B Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  POM140926  Cercocarpus betuloides C. F. Baker 1903-7-14 6845 Sierra Klamathon Comment
  UCR270723  Cercocarpus ledifolius John F. Emmel 1999-6-5 1621 Sierra Sierra Nevada Mtns., Verdi Range; summit of Henness Pass Road 1877 Comment
  SEINET6333760  Cercocarpus ledifolius var. intermontanus M. Demorest 1962-5-9 61 Sierra One mile from Verdi, on Dog Valley Rd. 1676 Comment
  SEINET7286299  Cercocarpus ledifolius var. intermontanus K. E. Bradshaw 1942-5-20 408 Sierra 3 miles sw of Purdy, old Trosi Ranch 1737 Comment
  CAS-BOT-BC148508  Cercocarpus ledifolius var. ledifolius John Thomas Howell; Gordon H. True 1970-7-14 5525 Sierra At Verdi Peak Lookout, Verdi Range - Sierra Nevada 2560 Comment
  UCD149529  Chaenactis G. L. Stebbins 1970-7-25 7075 Sierra Side of Mount Fillmore. (Exact location unknown. Coordinates estimated by label maker.) 2194 Comment
  CDA11866  Chaenactis douglasii G. F. Hrusa, J. Jokerst 1991-7-5 8527 A Sierra Sierra Valley Region; W side of Golden Dome, Antelope Valley, approx. 3 miles above Sierra Valley. Comment
  SEINET11860839  Chaenactis douglasii J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  CDA18119  Chaenactis douglasii var. douglasii G. D. Barbe, T. C. Fuller 1973-6-19 1627 Sierra Tahoe National Forest; Stateline W of Verdi on (Dog Valley Rd.) Smithneck Rd. (ca. 1 mi (1.6 km) W of Verdi). 1493 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
  SJSU12213  Chaenactis douglasii var. douglasii N. A. Hopkins 1981-6-30 1028 Sierra 1mi S of Calpine 1524 Comment
  UC335084  Chaenactis douglasii var. douglasii J. G. Lemmon 1874-1 119 Sierra Comment
  CAS-BOT-BC140759  Chamaebatia foliolosa Wm. Vortriede 1928-4-15 s.n. Sierra Downieville Comment
  UCSB16001  Chamaesaracha nana Breedlove, Dennis 1962-6-13 Sierra Along State Highway 89, 10.0 miles south of Sierraville 1950 Comment
  CHSC43334  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 1975-9-28 990 Sierra Along the edge of Highway 49, about 3 miles west of Sattley. 1676 Comment
  CHSC69182  Chamaesyce serpillifolia subsp. serpillifolia Vernon Oswald; Lowell Ahart 1997-8-19 8828 Sierra Mountain House Rd. (County Rd. 300) 1.1 mi southwest of the town of Forest (between Goodyears Bar and Alleghany). Roadside. 1417 Comment
  SEINET5344184  Chamerion angustifolium var. canescens W. Harnach, N. Harnach 1990-7-30 491 Sierra Sierra Valley. Sierraville, Hamlin Creek area. 1570 Comment
  CDA11845  Cheilanthes gracillima G. F. Hrusa, E. Sandoval 1993-5-3 11159 Sierra Sierra Valley; At summit of Golden Dome, E side of Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). Comment
  CHSC115181  Cheilanthes gracillima Lowell Ahart 2015-5-9 20155 Sierra Road cut, on the north side of the Canyon Creek Trail, about 100 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
  UCSC003241  Cheilanthes gracillima Unknown 1981-8-29 283 Sierra In rock crevice on Rattlesnake Peak. 2195 Comment
  CAS-BOT-BC68230  Cheilanthes gracillima Lemmon 1880-8-1 s.n. Sierra Webber Lake 2438 Comment
  CAS-BOT-BC68233  Cheilanthes gracillima Lowell Ahart 1983-10-27 4470 Sierra Near Jackson Meadow Res. - found near the dirt road on the north side of Milton Res. 1800 Comment
  SJSU12070  Cheilanthes gracillima N. A. Hopkins 1970-6-11 329 Sierra by stream outlet into Dugans Pond 1981 Comment
  UC337895  Cheilanthes gracillima J. G. Lemmon Aug. 1880 Sierra mts around Webber lake; Sierra Valley 2438 Comment
  CHSC67213  Chenopodium atrovirens James D. Jokerst 1990-7-27 3177 Sierra Balls Ranch Surveys for Jones and Stokes. Summit of Bald Mtn. Range near its center. 2621 Comment
  JEPS88366  Chenopodium atrovirens Vernon H. Oswald and Lowell Ahart 1996-8-19 8212 Sierra Yuba Pass-Weber Lake Rd (Forest Rt 12) 0.6 mi n road to Haypress Valley; northern High Sierra Nevada 2225 Comment
  RSA232650  Chimaphila menziesii Larry E. DeBuhr, Gary D. Wallace 1972-5-21 580 Sierra Tahoe National Forest; 4 miles west of Sierra City on Hwy. 49. Comment
  JEPS50842  Chlorogalum pomeridianum var. pomeridianum Wayne Roderick 1965-7-4 Sierra near Downieville (North Fork Yuba River); North Fork Yuba River 914 Comment
  CAS-BOT-BC36364  Chrysolepis sempervirens John Thomas Howell; Gordon H. True 1970-7-14 5520 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  CHSC84365  Chrysolepis sempervirens Lowell Ahart 2003-9-4 10553 Sierra Near the Burlington Mine, about 9 miles (air) northeast of Alleghany. 1723 Comment
  JEPS37830  Chrysolepis sempervirens W. L. Jepson 1934-8-3 16847 Sierra 2 mi e Bassett sta. (Pioneer road sta.); North Fork Yuba River Comment
  UC1135254  Chrysolepis sempervirens A. Lewis 1934-7-5 498 Sierra 2.2 mi ne Poverty Hill; Plumas National Forest, Downieville Quad. 1584 Comment
  POM129333  Chrysothamnus nauseosus subsp. albicaulis Roxana S. Ferris 1926-9-7 6840 Sierra Site of old town of Silver Mountain. Comment
  RSA121566  Chrysothamnus nauseosus subsp. consimilis R. C. Wilson 1938-8-9 648 Sierra Long Valley 1341 Comment
  CDA38211  Cicuta douglasii T. C. Fuller 1976-11-12 20172 Sierra Sierra Nevada; East side of Hwy 89, south limits of Sierraville. Comment
  CDA38296  Cicuta douglasii T. C. Fuller 1959-10-2 3270 Sierra Sierraville. 0 Comment
  HSC47769  Cinna latifolia Michael A. Watkins 1978-9-20 129 Sierra Foothills of the Sierra Nevada Mtns., 10 mi. NW of Johnsville on property of the Cowell Mine Comment
  CDA1087  Cirsium arvense T. C. Fuller 1963-8-28 11176 Sierra Loyalton; N of school, roadside ditch and yard. 0 Comment
  CAS-BOT-BC285548  Cirsium occidentale var. candidissimum John Thomas Howell; R. C. Barneby 1954-5-13 29540 Sierra North Fork Yuba River, 7.5 miles below Downieville 762 Comment
  RSA129852  Cirsium occidentale var. candidissimum G. T. Nordstrom 1936-7-13 936 Sierra 3.8 miles SE of Dog Valley 1524 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
  SDSU3811  Cirsium scariosum var. americanum D. F. Howe 1978-7-16 5082 Sierra Route 89 , 12.3 miles north of Truckee. 1920 Comment
  UC53861  Cirsium scariosum var. americanum H. M. Hall and E. B. Babcock 1903-7-1 4525 Sierra Little Truckee River Sierra Nevada Mountains, Little Truckee River 1920 Comment
  CAS-BOT-BC438975  Cistanthe monosperma Lowell Ahart 1989-8-16 6381 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir 1706 Comment
  CAS-BOT-BC228948  Cistanthe umbellata Roxana S. Ferris 1926-9-7 6845 Sierra Summit of Ebbetts Pass Comment
  CAS-BOT-BC228950  Cistanthe umbellata Joseph Gerber 1953-7-4 4 Sierra Lake Independence 2133 Comment
  CAS-BOT-BC228724  Cistanthe umbellata P. B. Kennedy; S. B. Doten 1901-7-23 226 Sierra Lincoln Valley Comment
  RSA747891  Clarkia gracilis Jim R. Shevock, Barbara Ertter 1986-6-1 11536 Sierra Along CA Highway 49, SE slide of Sierra Valley at Rice Hill between Loyalton and Sierraville. 1650 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
  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
  RSA0093829  Clarkia stellata George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20795 Sierra Northern Sierra Nevada Mountains Foothills. Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville. 796 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
  CHSC63655  Claytonia lanceolata B. Castro; L. Hanson, K. van Zuuk, Plumas NF botanists 1989-6-13 318 Sierra Ca. 1.5 air mi N of Mt. Fillmore on Sawmill Ridge, off USFS Rd 22N43. 1981 Comment
  SEINET9126904  Claytonia perfoliata W. Harnach, N. Harnach 1989-5-20 105 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch. 1506 Comment
  CAS-BOT-BC440058  Claytonia perfoliata subsp. perfoliata Catherine Best 1981-6-17 s.n. Sierra Hwy 89 12 miles north of Truckee Comment
  CAS-BOT-BC439755  Claytonia rubra subsp. depressa Lin Grayson 1981-5-16 047 Sierra Hwy 49, 3 mi. east of Yuba Pass 2166 Comment
  CAS-BOT-BC443744  Claytonia rubra subsp. rubra W. Harnach; N. Harnach 1989-5-20 105 Sierra Sierra Valley. Calpine Ranch (home). 1505 Comment
  SEINET5336434  Claytonia rubra subsp. rubra H. Holbo 1961-5-6 s.n. Sierra Truckee summit area 1981 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
  CHSC63662  Collinsia parviflora B. Castro; L. Hanson, K. van Zuuk, Plumas NF botanists 1989-6-13 319 Sierra Ca 1.5 air mi N of Mt. Filmore on Sawmill Ridge, off USFS Rd 22N43. 1981 Comment
  SJSU13912  Collinsia parviflora N. A. Hopkins 1987-5-30 1387 Sierra 1 mi SW of Calpine 1524 Comment
  SEINET11261863  Collomia heterophylla George Helmkamp, E. A. Helmkamp 2011-6-9 17554 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 (Strawberry Valley 7.5' Q).; 0 808 Comment
  UCR206984  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2009-5-28 14839 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.6 miles north of the Yuba County line 902 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
  SJSU9765  Collomia heterophylla C. W. Sharsmith 1982-6-1 8684 Sierra gravels of old roadway by Sierra City 1280 Comment
  CHSC54578  Collomia linearis Lowell Ahart 1991-7-22 6675 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 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
  SDSU16149  Collomia tinctoria D. F. Howe 1964-7-28 3889 Sierra 8.5 miles south of Gold Lake Lodge, Tahoe National Forest. 1829 Comment
  JEPS78069  Convolvulus arvensis Gary W. Zamzow 1972-7-11 76 Sierra 2.9 mi n Sattley (on road toward Loyalton) 1524 Comment
  SJSU8801  Convolvulus arvensis C. L. Kline 1965-6-29 108 Sierra Goodyears Bar c. 4.5 mi W of Downieville 838 Comment
  JEPS121060 Image available Convolvulus arvensis Joe Ammirati 1964-6-25 111 -2 Sierra 3 miles W. of Downieville on HW 49. Comment
  CAS-BOT-BC285936  Conyza bonariensis W. Harnach; N. Harnach 1990-8-5 503 Sierra Sierra Valley. Kuaffmans (old box mill) 1511 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
  UC66454  Corallorhiza maculata P. B. Kennedy and S. B. Doten 1901-7-18 170 Sierra Webber Lake Comment
  SEINET12136796  Cornus nuttallii J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  CAS-BOT-BC210385  Cornus sericea Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  JEPS50128  Cornus sericea subsp. sericea W. L. Jepson 1934-8-3 16814 Sierra Pioneer road sta. 2 mi. e. of Bassett Sta. (N. Fork Yuba R.); N. Fork Yuba R. 1706 Comment
  JEPS95603  Cornus sericea subsp. sericea Lowell Ahart 1994-7-1 7435 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
  POM132553  Cornus sessilis Alice Eastwood 1918-4-6 6781 Sierra Downieville Comment
  SEINET8665993  Corydalis caseana W. Harnach 2008-7-11 1343 Sierra 1 mile east of Bassetts Station at SFSU Sierra Nevada Field Campus. 1682 Comment
  UC346498  Crepis acuminata E. B. Babcock 1928-6-13 148 Sierra along road 4 mi e Sierraville; Tahoe Nat. For., Lemmon Canyon Comment
  POM230955  Crepis bakeri G. Ledyard Stebbins, J. A. Jenkins 1937-5-23 2162 Sierra Along stream, headwaters of Dark Canyon 1921 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
  UC346510  Crepis intermedia E. B. Babcock 1928-6-13 139 Sierra s slope of pk. 100 yd n forest boundary; Tahoe Nat. For., Sardine Pk. Comment
  UC346567  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
  UC353951  Crepis intermedia Katharine Brandegee 1913-1 Sierra Portola Comment
  UC581212  Crepis intermedia E. B. Babcock and G. L. Stebbins Jr. 1936-6-5 1711 Sierra 2 mi w Loyalton (on road to Sierraville, se edge of Valley); Sierra Valley 1600 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
  POM230956  Crepis intermedia G. Ledyard Stebbins, J. A. Jenkins 1937-5-22 2136 Sierra Mountain about 4 miles NE of Loyalton 1768 Comment
  UC346524  Crepis intermedia E. B. Babcock 1928-6-12 125 Sierra Newman Pt. Sierra Valley (along road to Loyalton) 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
  SJSU13962  Crepis modocensis N. A. Hopkins 1988-5-16 1401 Sierra Long Valley Road c. 1 mi SW of Bordertown 1615 Comment
  CAS-BOT-BC291598  Crepis modocensis subsp. subacaulis Betty J. Jorgensen 1944-6-22 469 Sierra Little Truckee River 10 miles north of Hobart Mills 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
  UC581292  Crepis occidentalis G. L. Stebbins Jr. and J. A. Jenkins 1937-5-21 2117 Sierra on road to Loyalton 3 1/2 mi ne Sierraville; Newman Point 1515 Comment
  POM230948  Crepis occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1691 Sierra Newman Point, SE edge of Sierra Valley, about 3.5 miles NE of Sierraville on road to Loyalton. 1616 Comment
  SEINET7838857 Image available Crepis occidentalis W. A. Archer, N. Harnach 1992-5-10 681 Sierra Sierra Valley. Located off the road on the way to Earl Jennettes to the south of Calpine 1524 Comment
  CAS-BOT-BC290787  Crepis occidentalis subsp. occidentalis E. B. Babcock; G. L. Stebbins, Jr. 1936-6-3 1685 Sierra Newman Point, S.E. edge of Sierra Valley, about 3 1/2 miles northeast of Sierraville on road to Loyalton 1600 Comment
  UC346547  Crepis occidentalis subsp. occidentalis E. B. Babcock and M. Navashin 1928-6-22 168 Sierra along rd to Newman Pt. 1.5 mi fr. jct. of Reno and Loyalton Rds. (nw of Sierraville); Sierra Valley Comment
  UC53892  Crepis occidentalis subsp. occidentalis H. M. Hall and E. B. Babcock July 1903 4469 Sierra Sierra Valley 1524 Comment
  UC346551  Crepis occidentalis subsp. pumila E. B. Babcock and M. Navashin 1928-6-21 166 Sierra about 6 mi nw Truckee (along road to Hobart Mills) Comment
  CAS-BOT-BC290905  Crepis runcinata subsp. andersonii A. A. Heller; P. B. Kennedy 1907-7-1 8666 Sierra Purdy Comment
  UC176435  Crepis runcinata subsp. andersonii A. A. Heller and P. B. Kennedy 1907-7-1 8666 Sierra Purdy Comment
  CAS-BOT-BC189267  Cryptantha W. Harnach; N. Harnach 1991-7-14 621 Sierra Coburn Lake, approximately 0.25 mile below the outlet of lake, Sierra Valley 2279 Comment
  CHSC63118  Cryptantha affinis Lowell Ahart 1994-7-7 7459 Sierra North side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 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
  UCR55647  Cryptantha hendersonii B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 0874 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
  SEINET12280841  Cryptantha leiocarpa J. G. Lemmon 1874-1 166 Sierra Comment
  UC79301  Cryptantha muricata F. H. Hillman 1895-6-29 Sierra Dog Valley Road Comment
  SEINET12564966  Cryptantha simulans M. J. Williams, A. Tiehm 1974-8-17 74 -S-54 Sierra Verdi Ridge Road. 2134 Comment
  RSA182979  Cryptantha simulans Clare B. Hardham 1961-6-15 7392 Sierra S side Yuba Pass. Comment
  SJSU12045  Cryptantha torreyana N. A. Hopkins 1975-8-26 726 Sierra c. 2 mi N of Independence L 2103 Comment
  CHSC100842  Cryptogramma acrostichoides B. Castro; David Toren, Samantha Mackey Hillaire 2005-8-29 1515 Sierra Ca 1 air mi N of Poverty Hill lookout, in hills just SE of Slate Creek, off W side of USFS Rd 21N17, off 21N02X spur road near Lucky Hill Ravine. 1432 Comment
  CHSC46028  Cryptogramma acrostichoides Lowell Ahart 1975-8-17 934 Sierra South of French Meadows, about 3 miles west and 1/2 mile south of Webber Lake. 2133 Comment
  CHSC59658  Cryptogramma acrostichoides L. P. Janeway 1992-10-27 4319 Sierra Plumas National Forest. Near top of peak along the ridgetop between Mills Peak and Haskell Peak, about 1.5 mi south of Mills Peak and about 3.25 northwest of Haskell Peak. 2209 Comment
  CHSC59659  Cryptogramma acrostichoides L. P. Janeway 1992-10-15 4317 Sierra Plumas National Forest. About 0.2 mi northeast of the ridgetop between Mills Peak and Haskell Peak, about 1.1 mi northwest of Haskell Peak. 2209 Comment
  UC1875016  Cryptogramma acrostichoides Ruth Kirkpatrick 2005-7-20 1365 Sierra Near summit of Sierra Butte, below fire tower Comment
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Jan 30 2012
  UCR95831  Cryptogramma acrostichoides J. G. Lemmon 1875-1 s.n. Sierra Sierra Nevada Mtns., Sierra Valley 2546 Comment
  UCSC003243  Cryptogramma acrostichoides Unknown 1981-8-30 284 Sierra Along Sunnyside Creek. 1981 Comment
  CAS-BOT-BC70476  Cryptogramma acrostichoides Lemmon s.n. Sierra Mts. of Webber Lake Comment
  CAS-BOT-BC215948  Cuscuta californica John Thomas Howell; Gordon H. True 1974-7-29 50614 Sierra Flat just above Gibsonville, Sierra Nevada 1676 Comment
  JEPS82073  Cymopterus terebinthinus var. californicus Paul C. Hutchison and Rimo Bacigalupi 1982-8-9 8444 Sierra 12 mi (by logging road) N of Downieville (Saddleback Mountain, bottom of road to lookout just W of the summit) 1798 Comment
  JEPS110285  Cynosurus echinatus Lowell Ahart 2006-6-21 12846 Sierra On the west side of the Foote Road, near Blue Ravine, about 3 miles (by road) southwest of Alleghany 1053 Comment
  CAS-BOT-BC70701  Cystopteris fragilis Lowell Ahart 1980-9-9 2606 Sierra between the outlet of Webber Lake and Little Truckee River 2200 Comment
  SD9846  Cystopteris fragilis C. C. Parry, J. G. Lemmon 1876-1 Sierra North Sierra Mountains near Webber Lake Comment
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Sep 4 2010
  UC71237  Cystopteris fragilis Parry and Lemmon Sierra near Webber lake; N Sierras Comment
  UCR249149  Cystopteris fragilis George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20758 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  UC366558  Cystopteris fragilis J. G. Lemmon Sierra Cataract Canyon of Webber Lake 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
  CHSC61901  Danthonia californica var. americana Lowell Ahart 1993-9-10 7211 Sierra On the west side of a meadow, on the north side of Mount Fillmore, about 1 1/4 miles south of the dirt road from Gibsonville to Johnsville. 2225 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
  JEPS125920  Darlingtonia californica D. W. Taylor 2001-6-19 17790 Sierra Ca 1 mile NE of Union Hill, bog on the north side of Forest Road 20N35 about 0.5 miles E of the intersection with County Road 690. Comment
  UCD161457  Darlingtonia californica Barry Rice 2013-7-12 BR 130706 Sierra just north of the road NF98. 1760 Comment
  SJSU12018  Darmera peltata N. A. Hopkins 1975-5-9 646 Sierra Woodruff Cr c. 1 mi S of Goodyears Bar 853 Comment
  SEINET8693175  Delphinium W. Harnach, N. Harnach 1990-5-28 328 Sierra Sierra Valley, W of Loyalton, Balderson Ranch, Antelope Valley. 1554 Comment
  JEPS23398  Delphinium Leland S. Smith 1925-5-21 1585 Sierra meadow near Sierraville (s arm of Valley); Sierra Valley 1524 Comment
  SEINET8674616  Delphinium andersonii W. Harnach, N. Harnach 1989-4-15 027 Sierra Approx 3 air miles NE of Calpine, Sierra-Plumas County line on road A-23. 1524 Comment
  SEINET5337953  Delphinium andersonii A. D. Bruner 1962-5-9 s.n. Sierra Dog Valley 1829 Comment
  SD129280  Delphinium depauperatum B. Pitzer, S. Morgan, H. Soldan 1988-5-29 974 Sierra Plumas National Forest, ca. 2.3 mi. S of Sierra County line on Hwy 89, just before boundary of Tahoe National Forest Comment
  CAS-BOT-BC8942  Delphinium diversifolium subsp. harneyense W. Harnach; N. Harnach 1990-5-28 328 Sierra Sierra Valley, Balderson Ranch (Antelope Valley) 1554 Comment
  CAS-BOT-BC8944  Delphinium diversifolium subsp. harneyense John Thomas Howell; Gordon H. True 1969-6-25 45854 Sierra 3 miles north of Bassetts on road to Gold Lake 1950 Comment
  CHSC115252  Delphinium gracilentum Lowell Ahart 2015-5-9 20178 Sierra On the south 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
  UC585064  Delphinium gracilentum E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1634 Sierra 1/2 mi ne Sattley (se-facing hillside); Church ranch Comment
  UCD95666  Delphinium gracilentum R. Randell 1996-5-26 25 Sierra Tahoe National Forest, Wild Plum Loop Road, 0.8 miles from Wild Plum Road, 1.25 miles from highway 49. 1500 Comment
  UCSB15920  Delphinium nudicaule Breedlove, Dennis 1962-6-13 Sierra along State Highway 89; 9.3 miles north of Sierraville 1524 Comment
  CAS-BOT-BC116149  Delphinium nuttallianum Lowell Ahart 1969-5-11 S. N. Sierra Near Beckwourth, Sierra Valley. 1219 Comment
  CAS-BOT-BC116536  Delphinium nuttallianum J. Penalosa 1962-6-20 2508 Sierra Little Truckee River at Highway 89 1905 Comment
  CAS-BOT-BC116152  Delphinium nuttallianum Mrs. H. C. Cantelow 1941-5-17 S.N. Sierra 1.2 miles south of Sierraville Hy. #89, Comment
  RSA98638  Delphinium nuttallianum Beecher Crampton 1954-5-10 1860 Sierra Hwy 89, 1 mile N of Sattley. 1555 Comment
  SEINET12093543  Delphinium nuttallianum F. H. Utech 1986-1 86 -091 Sierra Tahoe Natioanal Forest, ca 1 mi N of junction North Yuba River & CA 49 bridge 950 Comment
  SEINET5338042  Delphinium nuttallianum R. E. Eckert 1954-5-13 s.n. Sierra Dog Valley. 1981 Comment
  SEINET5338052  Delphinium nuttallianum R. J. Holl 1948-5-22 29 Sierra Dog Valley stream bank, 10 miles from Verdi. 1524 Comment
  SEINET5338075  Delphinium nuttallianum K. Genz 1979-5-23 9109 Sierra Turning south at forest boundary and Long Valley road, travel Mitchell Canyon road for 2.3 miles. 1817 Comment
  UCSB16008  Delphinium nuttallianum Breedlove, Dennis 1962-6-13 Sierra along State Highway 89; 10.0 miles south of Sierraville 1950 Comment
  CAS-BOT-BC192458  Deschampsia cespitosa subsp. cespitosa David D. Keck 1944-7-8 5414 Sierra Sierra Valley, 1.5 mi. N. of Sattley, on Feather River Road 1524 Comment
  JEPS102692  Deschampsia cespitosa subsp. cespitosa Lowell Ahart 2001-8-10 9090 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
  UC718004  Deschampsia cespitosa subsp. cespitosa David D. Keck 1944-7-8 5414 Sierra 1.5 mi. n. of Sattley (on Feather R. rd.); Sierra Valley 1524 Comment
  SEINET13709607  Deschampsia cespitosa subsp. cespitosa Lowell William Ahart, Lowell William Ahart 2001-1 9090 Sierra Near Diversion Dam across Little Truckee River, Near Fiberboard Rd. (Fsr 18), 5 Air Mi. E of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft. 1920 Comment
  UC1131428  Deschampsia danthonioides G. T. Nordstrom 1934-6-28 159 Sierra 1 1/2 mi. w. Bickford Dairy; Tahoe Nat'l Forest, Truckee Quad. Comment
  UC34002  Deschampsia danthonioides C. F. Sonne July 1892 15 Sierra on Little Truckee R. Little Truckee R. Comment
  CAS-BOT-BC201926  Deschampsia elongata Lowell Ahart 1977-8-2 1513 Sierra On the north side of Mt. Fillmore. Mt. Fillmore is about 12 miles north-east of La Porte 2000 Comment
  UCD63480  Deschampsia elongata Elizabeth Wilson 1939-7-13 Sierra 6 mi. north of Gold Lake. Comment
  UCR249646  Deschampsia elongata George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20774 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  JEPS88365  Descurainia incana Vernon H. Oswald and Lowell Ahart 1996-8-19 8211 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12 ) 0.6 mi. n. of rd. to Haypress Valley; northern High Sierra Nevada 2225 Comment
  SEINET11244811  Descurainia incisa var. viscosa W. Harnach, N. Harnach 1990-6-30 435 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  CAS-BOT-BC43133  Descurainia pinnata subsp. brachycarpa W. Harnach; N. Harnach 1989-5-13 080 Sierra Sierra Valley. Martinetti Ranch (Elvers). 1517 Comment
  CAS-BOT-BC388461  Dianthus armeria Forest Sheehan 1975-8-23 s.n. Sierra Rose Ranch near Scales 1341 Comment
  CHSC59470  Dicentra formosa Matt Carducci 1992-4-19 20 Sierra Ca. 27 mi s of Downieville, 100 ft s of Hwy 49 bridge over the North Fork of Yuba River, in Tahoe National Forest. Steep hillside. 975 Comment
  JEPS124521 Image available Dicentra formosa Lynne C. Carter 1967-6-30 36 Sierra 1.5 miles east of Downieville on Hwy. 49. By roadside. Comment
  SEINET12094700  Dicentra formosa F. H. Utech 1990-1 90 -888 Sierra Tahoe National Forest, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station 1000 Comment
  CAS-BOT-BC402469  Dicentra formosa subsp. formosa Alice Eastwood 1918-4-6 6764 Sierra Downieville Comment
  JEPS66553  Dicentra uniflora Theodore Niehaus 1971-7-7 931 Sierra top of long narrow canyon near s.e. corner of Upper Sardine Lake (e. flank of Sierra Buttes); Sierra Buttes, Upper Sardine Lake Comment
  UCR573  Dichelostemma capitatum subsp. capitatum Frank C. Vasek 1955-6-26 277 Sierra Northern Sierra Nevadas, Tahoe National Forest, north of Yuba River, Hwy 49, 1 mi east of Sierra City 1372 Comment
  JEPS125767  Dichelostemma multiflorum William Harnach 2014-6-14 1391 Sierra Approximately 0.25 miles from West Main St. on Reservoir Road, Calpine. Comment
  SJSU13992  Dieteria canescens var. canescens N. A. Hopkins 1988-8-9 1456 Sierra near Filippini Road ca. 4 miles W. of Loyalton, Sierra Valley 1493 Comment
  CAS-BOT-BC150494  Diplacus grandiflorus Lester Rowntree 1935-6-15 s.n. Sierra Above [Downiville] Downieville Comment
  CAS-BOT-BC150569  Diplacus grandiflorus Elmer I. Applegate 1934-5-2 8897 Sierra Sierra City Comment
  CAS-BOT-BC150571  Diplacus grandiflorus Leah McKee 1981-5-17 050 Sierra East side of [Downeyville] Downieville 914 Comment
  CAS-BOT-BC151814  Diplacus mephiticus Ella Dales Cantelow 1938-7-2 2330 Sierra 4 1/2 mi. N.W. of Calpine Comment
  CAS-BOT-BC151865  Diplacus mephiticus W. Harnach; N. Harnach 1989-6-24 162 Sierra Martinetti Ranch - Sierra Valley 1517 Comment
  CAS-BOT-BC151868  Diplacus mephiticus Javier Penalosa 1962-6-20 2529 Sierra Little Truckee River, at Hwy. 89 1905 Comment
  CAS-BOT-BC153689  Diplacus mephiticus Mrs. H. C. Cantelow 1938-7-2 s.n. Sierra 2.8 miles nw. of Calpine Comment
  CHSC109873  Diplacus mephiticus L. P. Janeway; B. Castro 2012-6-16 10881 Sierra Northern High Sierra Nevada. Tip of a short southeastern spur of Gibsonville Ridge, 1.1 km north-northwest of Gibsonville. 1885 Comment
  CHSC65179  Diplacus mephiticus Lowell Ahart 1995-8-7 7597 Sierra On the south side of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile (air) south-west of Pilot Peak. 2011 Comment
  CHSC94155  Diplacus mephiticus Lowell Ahart 2006-6-21 12849 Sierra On the south side of the Foote Road, about 2.7 miles (by road) southwest of Alleghany. 1103 Comment
  CAS-BOT-BC154012  Diplacus torreyi Ella Dales Cantelow 1938-7-2 2370 Sierra 2 mi. E. of Downieville Comment
  UCD64575  Distichlis spicata Beecher Crampton 1957-7-24 4424 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  CAS-BOT-BC136082  Dodecatheon alpinum R. K. Gierisch; D. H. Esplin 1969-6-25 3500 Sierra Tahoe Forest, Anderson Mdw. 1950 Comment
  CAS-BOT-BC136089  Dodecatheon alpinum Lewis S. Rose 1934-7-13 34355 Sierra Gold Lake 1950 Comment
  RSA286298  Dodecatheon alpinum Robert F. Thorne 1974-7-30 45055 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  SD117459  Dodecatheon alpinum Robert F. Thorne 1974-7-30 45055 Sierra Tahoe National Forest; Goose, Haven and Snag Lake areas, dry margin of shallow pond E of highway 2057 Comment
  UCSB16110  Dodecatheon alpinum Breedlove, Dennis 1962-6-13 Sierra along State Highway 89, 4.2 miles north of Sierraville 1524 Comment
  SJSU9800  Dodecatheon hendersonii C. W. Sharsmith 1982-5-30 8652 Sierra 1.25 mi NW of Sattley, Sierra Valley 1524 Comment
  POM311107  Downingia bacigalupii H. L. Mason 1952-7-17 14384 Sierra 1.5 miles E of Calpine at junction of Calpine with Sierraville-Beckwourth road; Sierra Valley; Sierra Nevada. 1524 Comment
  UC54572  Downingia bacigalupii H. M. Hall and E. B. Babcock Jul 1903 4464 Sierra Sierra Valley Sierra Nevada Mountains 1524 Comment
  UC965519  Downingia bacigalupii Herbert L. Mason 1952-6-17 14384 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth road); Sierra Nevada, Sierra Valley 1524 Comment
  JEPS124626 Image available Downingia bella Reinhard Jockel 1969-7-3 Sierra At edge of Kyburz Marsh. 2 miles E of highway 89, turn off a few miles N of Little Truckee bridge. 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
  JEPS124629 Image available Downingia elegans C. L. Kline 1965-7-6 142 Sierra 1/4 mi East of Hwy 89 and Cal. Beckworth Rd. junction on Cal. Beckworth Rd. (SIerra Valley). Comment
  JEPS124630 Image available Downingia elegans J. Yamanaka 1965-7-6 115 Sierra 1/4 mile HW 89, junction with Cal Pino Rd. Comment
  CHSC32077  Draba albertina L. Ahart 1975-7-13 878 Sierra In meadow, Ahart Camp, in French Meadows, 3 mi w of Webber Lake. 2133 Comment
  CAS-BOT-BC41408  Draba verna W. Harnach; N. Harnach 1989-4-9 016 Sierra Sierra Valley. Calpine Ranch. 1508 Comment
  CAS-BOT-BC159632  Drymocallis glandulosa var. glandulosa Javier Penalosa 1962-6-20 2533 Sierra Little Truckee R. at Hwy. 89 1905 Comment
  SEINET6689750  Drymocallis glandulosa var. glandulosa P. A. Lehenbauer 1937-6-8 61 Sierra 25 miles west of Reno, NV; on Truckee river at Iceland, S side of river by falls. 1676 Comment
  SEINET6691643  Drymocallis lactea var. austiniae W. Harnach, N. Harnach 1991-7-14 641 Sierra Sierra Valley, Coburb Lake approximately 0.25 miles below outlet to lake 2280 Comment
  SBBG3021  Drymocallis lactea var. lactea H. and M. Dearing 1939-7-4 3832 Sierra Gold Lake Comment
  CAS-BOT-BC157799  Drymocallis lactea var. lactea Anna Head 1920-6-1 s.n. Sierra Meadows near Gold Lake, Feather River Region Comment
  CAS-BOT-BC159276  Drymocallis lactea var. lactea Robert S. Keller 1974-6-15 1484 Sierra Chapman Creek Campground, about 7 miles NE of Sierra City on Highway 49 - Sierra Nevada 1767 Comment
  UCSB12380  Drymocallis lactea var. lactea Dearing, Hugh; Dearing, Margaret 1939-7-4 Sierra Gold Lake Comment
  SEINET10568353  Dryopteris arguta John G. Lemmon 1872-1 Lemmon s.n. Sierra Clefts of rocks, Sierra. Comment
  UC433179  Dryopteris arguta unknown 1890-1 Sierra Sierra Valley Comment
  JEPS124760 Image available Dudleya cymosa Joe Ammirati 1964-6-25 121 Sierra ca. 1 mi. w. of Downieville on HW 49, on road side. Comment
  SEINET12216909  Dudleya cymosa subsp. gigantea F. H. Utech 1986-1 86 -064 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  RSA252445  Dulichium arundinaceum Robert F. Thorne, C. W. Tilforth 1969-9-6 39213 Sierra Haven Lake (between Goose and Snag Lakes). 1951 Comment
  RSA285961  Echinochloa crus-galli T. C. Fuller 1976-10-12 20168 Sierra north side of Hwy 49, 1.6 km. east of Goodyear's Creek Road. 6 km. west of Downieville Comment
  UC1112284  Elatine heterandra Herbert L. Mason 1952-7-19 14450 Sierra pond 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth rd); Sierra Valley; E of Calpine at junction of Calpine w/ Sierraville-Beckwourth road, Sierra Valley, Sierra Co. 1524 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
  JEPS98329  Eleocharis acicularis var. occidentalis Lowell Ahart 2000-7-9 8562 Sierra 7 1/2 air miles NE of La Porte (meadow S of the snow lake, 100 yds W of Pacific Crest Trail on Bunker Hill Ridge, 1 1/2 air miles SE of Pilot Peak) 1828 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
  CAS-BOT-BC113421  Eleocharis bella John Thomas Howell 1969-9-13 46140 Sierra Near the SW end of Webber Lake. 2072 Comment
  SJSU12094  Eleocharis bella N. A. Hopkins 1974-8-6 614 Sierra 0.25 mi W of Packer Lake 1950 Comment
  HSC95572  Eleocharis decumbens L. Ahart 2000-7-13 8587 Sierra Upper W branch of Black Jack Ravine, on the W side of Hwy. 98, Harris Meadow, 7 mi. NE of Alleghany 1616 Comment
  JEPS127612  Eleocharis engelmannii var. engelmannii L. P. Janeway 2014-6-23 11408 Sierra Plumas National Forest, Placer Diggins along Pine Grove Creek, just north of Pine Grove Cemetery, 1.3 air km WNW of Howland Flat. Comment
  CAS-BOT-BC494102  Eleocharis macrostachya William Harnach 2002-6-10 1077 Sierra Sierra Valley. Approx. 2 mi E of Calpine; 1.5 mi N of the intersection of Calpine Rd and Co. Rd. A-23 1493 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-BC113146  Eleocharis palustris W. R. Dudley 1909-8-26 s.n. Sierra Pond bottom near icehouse, Sierra Valley Hot Springs. Comment
  CHSC78310  Eleocharis quinqueflora Lowell Ahart 2000-7-9 8561 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
  CDA33183  Eleocharis quinqueflora L. Ahart 2000-7-13 8589 Sierra Upper west branch of Black Jack Ravine, on the west side of Hwy 98: Harris Meadow, about. 7 (air) miles northeast of Alleghany Comment
  CAS-BOT-BC451542  Elodea canadensis Lowell Ahart 1980-9-9 2614 Sierra Near Webber Lake. 2200 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
  SJSU5094  Elodea nuttallii M. R. Kempf 1965-7-6 268 Sierra ditch by Sattley-Beckwourth Rd., 2 mi N of its junction with Hwy 89, Sierra Valley 1493 Comment
  CAS-BOT-BC227909  Elymus elymoides Melissa A. Berry 1957-6-28 s.n. Sierra Sierra Valley, Highway 89 1524 Comment
  SEINET12745645  Elymus elymoides P. B. Kennedy, S. B. Doten 1901-7-8 126 Sierra Webber Lake. Comment
  CHSC67317  Elymus elymoides subsp. brevifolius James D. Jokerst 1990-7-27 3170 Sierra Balls Ranch. Summit of Bald Mtn. Range at N end. 2621 Comment
  CHSC61568  Elymus elymoides subsp. californicus L. P. Janeway 1984-8-19 1053 Sierra Meadow at second switchback down the road from Packers Saddle towards Packer Lake. 1981 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
  SEINET10554369  Elymus glaucus Henry N. Bolander Bolander 4852 Sierra Mount Bullion. Comment
  UC337718  Elymus glaucus unknown Oct. 1890 Sierra Oleson's ranch Sierra Valley Comment
  CAS-BOT-BC206587  Elymus glaucus subsp. glaucus David D. Keck 1944-7-8 5410 Sierra Sierra Valley, 1.5 miles N of Sattley on Feather River Road 1524 Comment
  CHSC60571  Elymus glaucus subsp. glaucus L. P. Janeway 1984-8-19 1052 Sierra Meadow at the second switchback down the road from Packers Saddle towards Packer Lake. 1981 Comment
  UCD62535  Elymus repens Beecher Crampton 1957-7-24 4407 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  JEPS75579  Elymus trachycaulus W. L. Jepson 1934-8-7 16869 Sierra near Sierraville; Cold Creek Comment
  UC1586482  Elymus trachycaulus Lowell Ahart 1991-7-22 6692 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  UCD62719  Elymus trachycaulus Beecher Crampton 1957-7-24 4412 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  CAS-BOT-BC213502  Elymus trachycaulus subsp. trachycaulus Gordon H. True 1971-9-7 7055 Sierra Mt. Lola Trail in Cold Stream Canyon 2286 Comment
  UCR257741  Epilobium George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19459 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
  RSA458696  Epilobium brevistylum L. S. Rose 1934-7-2 34302 Sierra Gold Lake. 1951 Comment
  CAS-BOT-BC171806  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1920-9-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC171810  Epilobium canum subsp. latifolium Elmer I. Applegate 1921-9-6 3347 Sierra Gold Lake, northern Sierra County 1981 Comment
  CAS-BOT-BC171811  Epilobium canum subsp. latifolium Elmer I. Applegate 1921-9-8 3385 Sierra Near Sierra City Comment
  UC577164  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1920-9-1 Sierra Salmon Lake 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
  CDA17270  Epilobium densiflorum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16297 Sierra Sierra Nevada; Sierra Valley: Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. 1645 Comment
  UC1562334  Epilobium densiflorum Vernon Oswald and Lowell Ahart 1990-7-25 4388 Sierra ca 0.25 mi s Staverville Rd. (ca 1 mi w of Balls Ranch, along edge of shallow impoundment) 1935 Comment
  SJSU14028  Epilobium densiflorum N. A. Hopkins 1988-8-9 1453 Sierra by Hwy 49 between Sattley & Sierraville, Sierra Valley 1505 Comment
  UCD106295  Epilobium densiflorum N. Hopkins 1981-6-30 185 Sierra County Unknown. Comment
  SEINET12424988  Epilobium hallianum W. Harnach, N. Harnach 2000-7-9 947 Sierra Chapman Saddle Road 1/4 mile east of the intersection of Lunch Creek Road. 2027 Comment
  SEINET6637356 Image available Epilobium hallianum Lewis S. Rose 1934-7-2 34302 Sierra Gold Lake 1951 Comment
  SEINET12861904  Epilobium hallianum P. B. Kennedy, S. B. Doten 1901-7-5 91 Sierra [Sierra Nevada] spring near Webber Lake Comment
  JEPS125692  Epilobium minutum William Harnach 2013-5-1 1325 Sierra 1.6 miles West of Goodyears Bar on Highway 49 and North of the Ramshorn campground. Comment
  SEINET8665853  Epilobium minutum W. Harnach 2013-5-1 1325 Sierra 1.6 miles west of Goodyears Bar on Hwy 49 and north of the Ramshorn campground. 929 Comment
  SEINET12194530  Epilobium minutum F. H. Utech 1986-1 86 -066 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  SEINET12424531  Epilobium oregonense W. Harnach, N. Harnach 1990-6-30 428 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  JEPS124731 Image available Epipactis gigantea Rechen 1964-7-1 97 Sierra Growth north of Hw. Comment
  RSA176567  Epipactis gigantea Peter H. Raven 1964-6-30 19610 Sierra Along the canyon of the North Fork of the Yuba River, 4.6 miles east of Downieville on State Highway 49 Comment
  SEINET3890372  Epipactis gigantea D. W. McNeal 1995-7-13 4112 Sierra Beside Highway #49, 4.7 miles East of the bridge over the Downie River in Downieville.; 0 Comment
  SBBG47392  Equisetum arvense J. T. Howell 1969-9-13 46110 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CAS-BOT-BC57153  Equisetum hyemale subsp. affine S. Rauwendaal 1981-5-16 062 Sierra San Francisco State Un., Sierra Nevada Field Station, 1/4 east of cabins 1828 Comment
  CAS-BOT-BC57850  Equisetum laevigatum D. E. Breedlove 1962-6-13 3530 Sierra On the bank of the Little Truckee River, on State Highway 89, 11.3 mi. s. of Sierraville; Sierra Nevada. 1905 Comment
  UCR257827  Equisetum laevigatum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19508 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  POM312960  Equisetum laevigatum H. L. Mason 1953-7-7 14557 Sierra N of Sattley, Sierra Valley. Comment
  CAS-BOT-BC174160  Eremogone aculeata Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  CAS-BOT-BC174161  Eremogone aculeata H. Albert Barker 1926-7-10 104 Sierra Round Lake Ridge 2103 Comment
  CAS-BOT-BC174219  Eremogone congesta var. congesta Catherine Best 1982-7-12 749 Sierra Above Packer's Lake 2011 Comment
  SJSU12148  Eremogone congesta var. congesta N. A. Hopkins 1971-6-19 400 Sierra 0.25 mi N of Sattley, Sierra Valley 1524 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
  SJSU5006  Eremogone congesta var. suffrutescens N. A. Hopkins 1968-6-28 132 Sierra Packer L 1950 Comment
  RSA0057638  Eremogone congesta var. suffrutescens L. S. Rose 1963-6-4 63129 Sierra Sierra Valley, 1.5 mi. east of Calpine. 1493 Comment
  SEINET12875616 Image available Eremogone fendleri J. G. Lemmon 1874-1 [s.n.] Sierra Sierra Valley. Comment
  CHSC110247  Eremogone kingii var. glabrescens L. P. Janeway 2012-6-24 10898 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
  SJSU13876  Eremogone kingii var. glabrescens N. A. Hopkins 1986-6-30 1346 Sierra 2158 Comment
  CAS-BOT-BC286686  Ericameria bloomeri J. T. Vale 1988-10-3 s.n. Sierra Gold Lk Rd. bet. Gold Lk. & Hi-way 49 1828 Comment
  CAS-BOT-BC291263  Ericameria bloomeri L. S. Smith 1925-8-31 1721 Sierra Tahoe National Forest. Haskel [Haskell] Pk and elsewhere 2438 Comment
  CDA4626  Ericameria bloomeri M. R. Pryor 1954-10-28 Sierra Loyalton. 0 Comment
  CHSC24431  Ericameria bloomeri Lowell Ahart 1976-10-1 Sierra Along the edge of the road to Alleghany, 3 mi s of Camptonville. 914 Comment
  CHSC53122  Ericameria bloomeri L. P. Janeway 1989-8-22 3622 Sierra Plumas National Forest. Northeast flank of ridge ca 3 mi E of Haskell Pk; near head of Sulphur Cr. 2164 Comment
  JEPS117455  Ericameria bloomeri Lowell Ahart 2010-9-15 17156 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
  CAS-BOT-BC292392  Ericameria nauseosa M. S. Taylor 1981-8-19 4225 Sierra S side of 23N10G, ca 0.5 mile E of its junction with spur road 23N10G, ca 5 air miles W of Sloat 1615 Comment
  UCD22394  Ericameria nauseosa var. oreophila Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1316 Sierra Sierra Countyl: Along Hwy 49 NE of the town of Sierraville, ca. 2 road miles from town. Roadside. 1524 Comment
  JEPS88182  Ericameria nauseosa var. speciosa Vernon H. Oswald and Lowell Ahart 1996-8-19 8236 Sierra Forest Rt. 07 0.5 mi e road to Lake of the Woods (e of Weber Lake); northern High Sierra Nevada 2042 Comment
  UCD22402  Ericameria nauseosa var. speciosa Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1334 Sierra Sierra Valley. Along Heriot Road. 1493 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
  UC572466  Erigeron aphanactis var. aphanactis G. T. Nordstrom 1936-7-25 906 Sierra 5.75 mi w Purdy; Sierraville Quad. 1950 Comment
  SEINET11839653  Erigeron bloomeri J. G. Lemmon 1874-1 106 Sierra Sierra Co. &c Comment
  CHSC67464  Erigeron bloomeri var. bloomeri James D. Jokerst 1989-7-14 3140 Sierra Dog Valley, W and adjacent to main road in Dog Valley, due W of outflow of Dog Creek from Dog Canyon. 1737 Comment
  UC579477  Erigeron bloomeri var. bloomeri E. Sawyer 1935-6-28 253 Sierra 1 1/2 mi se Sattley; Sierraville Quadrangle 1493 Comment
  CAS-BOT-BC297150  Erigeron concinnus var. concinnus A. A. Heller; P. B. Kennedy 1907-7-1 8664 Sierra Purdy Comment
  JEPS96057  Erigeron coulteri Vernon H. Oswald and Lowell Ahart 1996-8-19 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just s road to Lincoln Valley; northern High Sierra Nevada 2255 Comment
  SJSU14287  Erigeron coulteri N. A. Hopkins 1989-8-29 1585 Sierra below Coburn Lake, Berry Creek drainage c. 5 mi S of Yuba Pass 2255 Comment
  CAS-BOT-BC297202  Erigeron coulteri Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Lusk's Meadows Comment
  SEINET8667086 Image available Erigeron coulteri W. D. Billings 1951-7-8 2124 Sierra 1 mi. N. of Weber Lake 2134 Comment
  CDA11888  Erigeron divergens G. F. Hrusa, J. Jokerst 1991-7-5 8552 A Sierra Sierra Valley Region; Antelope Valley. Comment
  RSA748571  Erigeron divergens K. M. Meyer, A. Townesmith 2007-7-15 113 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  SJSU12107  Erigeron divergens N. A. Hopkins 1983-6-15 1133 Sierra Upper Long Valley just west of Bordertown 1584 Comment
  CHSC69203  Erigeron eatonii var. sonnei James D. Jokerst 1986-6-19 2657 Sierra Turner property, S end of Sierra Valley, Stringer Meadow ca. 200 m E of Hwy. 89. 1493 Comment
  SEINET8667244 Image available Erigeron eatonii var. sonnei W. Harnach, N. Harnach 2000-5-24 902 Sierra 1.2 miles west of the intersection of the Bear Valley Road and Smithneck Road. 3 miles south of Loyalton 1615 Comment
  CAS-BOT-BC300849  Erigeron glacialis var. glacialis H. Albert Barker 1926-7-3 33 Sierra Packer Lake 1981 Comment
  CHSC72428  Erigeron glacialis var. glacialis L. P. Janeway 1998-7-24 5833 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
  SJSU12195  Erigeron glacialis var. glacialis N. A. Hopkins 1983-9-1 1175 Sierra ca. 0.25 mi west of Packer Lake 1920 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
  CHSC69472  Erigeron inornatus var. inornatus James D. Jokerst 1986-6-19 2647 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
  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
  SEINET8667779 Image available Erigeron nevadincola W. Harnach, N. Harnach 1990-6-10 352 Sierra Sierra Valley, W of Loyalton, Balderson Ranch (Antelope Valley) 1524 Comment
  CHSC115928  Erigeron petrophilus var. sierrensis L. P. Janeway 2015-8-26 11853 Sierra Northern High Sierrra Nevada. Plumas National Forest; north slope of Sawmill Ridge overlooking Slate Creek; along Road 800 about 1.2 road-km southwest of Gibsonville-Johnsonville Road. 1789 Comment
  UCD150211  Erigeron petrophilus var. sierrensis G. Ledyard Stebbins 1970-7-25 7082 Sierra Northwest ridge of Mt. Fillmore. (Exact location unknown. Coordinates estimated by label maker.) 1950 Comment
  SEINET8687531 Image available Erigeron pumilus var. intermedius A. A. Heller, P. B. Kennedy 1907-7-1 8664 Sierra Purdy Comment
  SEINET8687533 Image available Erigeron pumilus var. intermedius A. A. Heller, P. B. Kennedy 1907-7-1 8664 Sierra Purdy Comment
  UC1124278  Eriodictyon californicum A. Lewis 1934-8-9 529 Sierra 1/4 mi e Sierra City; Tahoe National Forest, Downieville Quad. Comment
  SJSU5005  Eriodictyon lobbii N. A. Hopkins 1968-6-30 135 Sierra c. 0.5 mi E of Packer L 1950 Comment
  UCR270906  Eriogonum John F. Emmel 1998-6-6 1556 Sierra Northern Sierra Nevada Mtns., foothills at east edge of Sierra Valley, along Hwy 49 near west base of Rice Hill 1585 Comment
  SEINET524411  Eriogonum apricum Paul A. Opler 2003-1 Sierra Comment
  SJSU13987  Eriogonum caespitosum N. A. Hopkins 1988-5-16 1405 Sierra upper Dog Valley 1645 Comment
  JEPS125761  Eriogonum douglasii var. meridionale William Harnach 2015-5-31 1417 Sierra 1.3 miles north of the intersection of County Road A-23 and Calpine Road (east of Calpine). Comment
  UC584320  Eriogonum douglasii var. meridionale G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2127 Sierra mountain about 4 mi ne Loyalton Comment
  SJSU11990  Eriogonum elatum var. villosum N. A. Hopkins 1984-8-26 1241 Sierra 2 mi S of Calpine, Sierra Valley 1524 Comment
  CAS-BOT-BC259356  Eriogonum lobbii J. G. Lemmon No date on label s.n. Sierra Sierra Val. Comment
  CAS-BOT-BC259361  Eriogonum lobbii A. R. Kruckeberg 1954-8-2 3680 Sierra Along trail to Sierra Buttes, 1/2 mile above upper Tamarack Lake 2438 Comment
  SJSU13941  Eriogonum lobbii N. A. Hopkins 1986-7-13 1355 Sierra lower summit of Dead Mans Peak, W of Yuba Pass 2255 Comment
  RSA135962  Eriogonum lobbii var. lobbii Arthur R. Kruckeberg 1954-8-2 3680 Sierra On slate talus along trail to Sierra Buttes, 1/2 mile above upper Tamarack Lake. 2439 Comment
  JEPS88076  Eriogonum marifolium Vernon H. Oswald and Lowell Ahart 1996-8-19 8201 Sierra Yuba Pass-Weber Lake Rd. (Forest Rte. 12) 1.2 mi. s. of rd. to Lincoln Valley; northern High Sierra Nevada 2346 Comment
  SJSU13893  Eriogonum marifolium N. A. Hopkins 1986-6-30 1347 Sierra on a bald ridge 2158 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-BC267383  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 Highway 89; Sierra Nevada 1905 Comment
  CHSC109874  Eriogonum marifolium var. marifolium L. P. Janeway; B. Castro 2012-6-16 10875 Sierra Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1885 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
  SEINET5330932  Eriogonum nudum W. Harnach, N. Harnach 2000-7-4 932 Sierra Approx 1/2 mile north of Coburn Lake at the end of access road. 2188 Comment
  UC1982350  Eriogonum nudum Richard R. Halse 1974-6-26 1052 Sierra Tahoe National Forest; along State Hwy. 49, 10.2 miles W of Downievelle. Comment
  CAS-BOT-BC260787  Eriogonum nudum var. deductum Gordon H. True 1971-9-7 7047 Sierra On Mt. Lola Trail, Cold Stream Canyon 2316 Comment
  CHSC73975  Eriogonum nudum var. deductum B. Castro; M. A. Griggs 1997-7-10 754 Sierra Bunker Hill Ridge, on SW-facing slope E of Duck Soup Pond, approaching the ridge crest, along Pacific Crest Trail. 2103 Comment
  CHSC94141  Eriogonum nudum var. deductum Lowell Ahart 2006-6-28 12893 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
  SEINET5330905  Eriogonum nudum var. deductum L. Williams 1972-8-27 1006 Sierra Merrill Valley 2012 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
  CHSC69185  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1997-8-19 8830 Sierra Mountain House Rd. (Sierra Co. 300) 1.1 mi southwest of the town of Forest (between Goodyears Bar and Alleghany). 1417 Comment
  SEINET530765  Eriogonum nudum var. nudum Paul Opler 2007-7-1 Sierra Tahoe National Forest, Packer Lake Rd., Packer Campground. Comment
  SEINET11262482  Eriogonum nudum var. nudum James L. Reveal 1971-6-23 2476 Sierra Along California Highway 49, about 5 miles west of Downieville along the North Fork of the Yuba River.; 0 853 Comment
  CHSC94226  Eriogonum nudum var. pubiflorum Lowell Ahart 2006-6-21 12848 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany. 1093 Comment
  CAS-BOT-BC269962  Eriogonum spergulinum var. reddingianum Catherine Best 1981-6-17 s.n. Sierra Hwy 89, 12 miles north of Truckee Comment
  CHSC10730  Eriogonum spergulinum var. reddingianum Lowell Ahart 1967-9-29 Sierra One mile south of Sam's Camp. 2438 Comment
  CHSC47684  Eriogonum spergulinum var. reddingianum Lowell Ahart 1989-8-16 6375 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir. 1706 Comment
  SEINET5331558  Eriogonum spergulinum var. reddingianum W. Harnach, N. Harnach 1989-6-24 163 Sierra Sierra Valley, south of Sattley, Martinetti Ranch (Elvers) 1518 Comment
  POM203463  Eriogonum spergulinum var. reddingianum L. S. Rose 1934-7-4 34317 Sierra Gold Lake. Rocky slopes. 1951 Comment
  SEINET5331607  Eriogonum spergulinum var. reddingianum W. D. Billings 1951-7-20 2130 Sierra S. end of Lincoln Valley. 2195 Comment
  SJSU11986  Eriogonum spergulinum var. reddingianum N. A. Hopkins 1973-6-22 557 Sierra 0.25 E of Packer L 1889 Comment
  CAS-BOT-BC271883  Eriogonum spergulinum var. spergulinum W. Harnach; N. Harnach 1989-6-24 163 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1517 Comment
  JEPS56417  Eriogonum sphaerocephalum var. halimioides J. G. Lemmon 1881-1 Sierra Sierra peaks Comment
  JEPS127474  Eriogonum strictum Steve Matson 2006-6-6 1624 Sierra nSNH; Dog Valley; NW of Verdi, NV; NE of Truckee. Comment
  CHSC73807  Eriogonum strictum var. anserinum B. Castro; M. A. Griggs, Plumas NF botanists 1997-7-10 764 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. 2136 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
  CHSC69186  Eriogonum umbellatum var. modocense Vernon Oswald; Lowell Ahart 1997-8-19 8826 Sierra Mountain House Rd. (County Rd. 300) 1.3 mi south of its junction with Henness Pass Rd. (County Rd. 293), 7.6 mi south of Goodyears Bar. 1402 Comment
  CAS-BOT-BC262085  Eriogonum umbellatum var. nevadense Jean L. Pawek 1956-7-19 202 Sierra Highway 49 on dirt road to Gold Lake 1524 Comment
  CAS-BOT-BC262092  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-7-19 4883 Sierra Between Hwy 89 and Little Truckee River, ca. 1/4 mi n of Little Truckee Campground, ca. 12 mi sw of Sierraville Comment
  CHSC56568  Eriogonum umbellatum var. nevadense L. P. Janeway 1984-8-3 961 Sierra Top of the ridge (Sierra crest) west of Packer Lake (just north of Packer Saddle). 2164 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
  RSA108975  Eriogonum umbellatum var. nevadense J. G. Lemmon 1872-08 s.n. Sierra Sierra Valley, Sierra Mts. Comment
  SEINET3412089 Image available Eriogonum umbellatum var. nevadense S. B. Doten, P. B. Kennedy 1901-7-12 154 Sierra Webber Lake Comment
  SEINET5331940  Eriogonum umbellatum var. nevadense S. B. Doten, Patrick Beveridge Kennedy 1901-7-12 154 Sierra [Sierra Nevada] Webber Lake Comment
  SEINET5331941  Eriogonum umbellatum var. nevadense H. Hamlin 1904-7-1 s.n. Sierra Sierra Valley Comment
  SEINET523072  Eriogonum umbellatum var. polyanthum Paul Opler 2002-6-27 Sierra Bear Valley Rd., SSW Loyacton. 1829 Comment
  UCR263623  Eriogonum umbellatum var. polyanthum Vernon H. Oswald, Lowell Ahart 1997-8-19 8825 Sierra Central Sierra Nevada Mountains, Mountain House Road (County Road 300), 1.3 mi south of its junction with Henness Pass Road (County Road 293), 7.6 miles south of Goodyears Bar 1402 Comment
  SEINET524405  Eriogonum umbellatum var. subaridum Paul A. Opler 2003-6-24 Sierra Hills S of Loyalton, Bear Valley rd. Comment
  UC1032277  Eriogonum umbellatum var. torreyanum G. T. Nordstrom 1936-7-9 912 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  CAS-BOT-BC262293  Eriogonum ursinum Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  HSC96989  Eriogonum ursinum L. Ahart 2006-6-28 12884 Sierra .75 air mi. E of Lake Delahunty, 2 air mi. NE of Gibsonville 1904 Comment
  SJSU11985  Eriogonum ursinum N. A. Hopkins 1984-6-21 1206 Sierra near Packer L 2011 Comment
  CHSC1334  Eriogonum ursinum var. ursinum V. Holt 1942-7-18 Sierra Gold Lake. 2133 Comment
  CHSC56570  Eriogonum ursinum var. ursinum L. P. Janeway 1984-8-3 959 Sierra Top of the ridge (Sierra crest) west of Packer Lake (just north of Packer Saddle). On rocky outcrop on east side of ridge as the red fir forest thins. 2164 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
  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
  JEPS125718  Eriogonum vimineum William Harnach 2012-10-7 1295 Sierra Alvin Powers picnic grounds, 5.0 miles South of Highway 49 on Smithneck Road, Loyalton. Comment
  SCFS2088  Eriogonum vimineum M. Fleschner 1965-6-23 196546 Sierra 4 mi W of Downieville, at jct of Hwy 49 and turnoff to Goodyears Bar 834 Comment
  CAS-BOT-BC261801  Eriogonum wrightii var. subscaposum Roxana S. Ferris 1926-9-7 6842 Sierra Site of old town of Silver Mt. Comment
  POM129308  Eriogonum wrightii var. subscaposum Roxana S. Ferris 1926-9-7 6842 Sierra Site of old town of Silver Mountain. Comment
  JEPS98390  Eriophorum crinigerum Lowell Ahart 2000-7-13 8591 Sierra 7 air miles NE of Alleghany ( an upper W branch of Black Jack Ravine, W side of Forest Hwy 98, Harris Meadow) 1615 Comment
  SJSU12132  Eriophyllum lanatum N. A. Hopkins 1975-7-24 716 Sierra near Alleghaney 1219 Comment
  RSA0035528  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-5 20781 Sierra Along CA-49, 1.7 miles west of Goodyears Bar, c. 11 miles NE of Yuba Co. line 793 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
  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
  CHSC74051  Eriophyllum lanatum var. integrifolium B. Castro; M. A. Griggs, Plumas NF botanists 1997-7-10 761 Sierra Bunker Hill Ridge, on ridge crest E of Duck Soup Pond, along Pacific Crest Trail. 2118 Comment
  SEINET8687338 Image available Eriophyllum lanatum var. integrifolium W. Harnach, N. Harnach 1990-6-10 354 Sierra Sierra Valley, W of Loyalton, Balderson Ranch (Antelope Valley) 1524 Comment
  SJSU13907  Eriophyllum lanatum var. integrifolium N. A. Hopkins 1986-6-30 1342 Sierra bald ridge 2158 Comment
  UC472191  Eriophyllum lanatum var. integrifolium J. G. Lemmon 1874-1 Sierra Comment
  CAS-BOT-BC54566  Erysimum capitatum W. Harnach; N. Harnach 1990-5-28 330 Sierra Sierra Valley. Balderson Ranch (Antelope Valley). 1554 Comment
  JEPS110051  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
  RSA719211  Erysimum capitatum var. capitatum L. 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. 1398 Comment
  SEINET5342720  Erysimum capitatum var. capitatum S. B. Doten 1901-7-2 75 Sierra [Sierra Nevada] Near Webber Lake Comment
  CAS-BOT-BC54949  Erysimum perenne Lester Rowntree 1935-6-15 s.n. Sierra Above Downieville. Comment
  CHSC54567  Erythranthe breweri Lowell Ahart 1991-7-22 6679 Sierra Along a small stream in French Meadow, about 1/4 miles south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  SEINET14196959  Erythranthe breweri P. B. Kennedy, S. B. Doten 1901-7-8 121 Sierra N of Webber Lake. Comment
  SEINET14291748  Erythranthe guttata S. B. Doten, P. B. Kennedy 1901-7-8 118 Sierra Falls below Webber Lake. Comment
  SEINET14291773  Erythranthe guttata P. B. Kennedy, S. B. Doten 1901-7-8 106 Sierra Falls below Webber Lake. Comment
  SEINET14293971  Erythranthe guttata P. B. Kennedy, S. B. Doten 1901-7-8 106 Sierra Falls below Webber Lake. Comment
  JEPS125721  Erythranthe lewisii William Harnach 2015-8-19 1440 Sierra Basset's Station, intersection of Highway 49 and the Gold Lake Road. Comment
  CHSC78272  Erythranthe primuloides Lowell Ahart 2000-7-13 8582 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
  SJSU12027  Erythranthe pulsiferae N. A. Hopkins 1983-7-9 1151 Sierra 1 mi SW of Calpine 1524 Comment
  CHSC32068  Erythronium purpurascens L. Ahart 1977-4-20 1318 Sierra 5 mi ne of Alleghany. 1500 Comment
  JEPS50834  Erythronium purpurascens Theodore Niehaus 1967-6-7 764 Sierra Pipe Creek where it crosses Canyon Creek; Pipe Creek 1828 Comment
  CAS-BOT-BC502815  Erythronium purpurascens Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Lusk Meadows Comment
  SEINET10528919  Erythronium purpurascens Lowell Ahart 1969-5-18 Ahart s.n. 1969 Sierra Vicinity of Sierra and Yuba County line. Montane Coniferous Forest; Proverty, ten miles S.E. of La Porte. 4000 feet. 1220 Comment
  CAS-BOT-BC402928  Eschscholzia californica Mrs. H. C. Cantelow 1951-7-23 12 Sierra Near Sierraville Comment
  JEPS124523 Image available Eschscholzia californica Joe Ammirati 1964-6-26 113 Sierra In Downieville, on HW 49 Comment
  CHSC56520  Eucephalus breweri L. P. Janeway 1984-7-29 940 Sierra Near F. S. Road 28 (21N11) ca 3 1/2 mi from Gold Lake; ridgetop/saddle. 2225 Comment
  CHSC61913  Eucephalus breweri Lowell Ahart 1993-9-24 7251 Sierra On the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  HSC93203  Eucephalus breweri Vernon H. Oswald, L. Ahart 1996-8-19 8190 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12), 2.2 mi. S of Hwy. 49; northern High Sierra Nevada 2134 Comment
  JEPS16784  Eucephalus breweri Rimo Bacigalupi with L. Constance and E. Nasir 1953-9-9 4358 Sierra along road between Webber Lake and Meadow Lake Sierra-Nevada County Boundary, Tahoe National Forest 2133 Comment
  CAS-BOT-BC310549  Eurybia integrifolia George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CHSC40978  Eurybia integrifolia James D. Jokerst 1984-7-23 2110 Sierra Several miles east of Sierra City, ca 200 feet north of Haypress Creek. 1767 Comment
  CAS-BOT-BC312186  Eurybia radulina Lowell Ahart 1976-8-10 s.n. Sierra 7 miles west of Downieville, Sierra Nevada 1371 Comment
  JEPS110289  Festuca occidentalis Lowell Ahart 2006-6-21 12815 Sierra On the south side of the Foote Road, about 2.7 miles (by road) southwest of Alleghany 1103 Comment
  UCD66157  Festuca occidentalis Freed W. Hoffman 1946-6-11 1841 Sierra Yuba River near San Juan (Cartrights). Comment
  UCD66165  Festuca occidentalis Collector Unknown Date Unknown Sierra Sierra Valley. Comment
  CAS-BOT-BC278915  Festuca ovina Catherine Best 1981-6-18 s.n. Sierra At Yuba Summit Comment
  CAS-BOT-BC60007  Frangula purshiana Carl B. Wolf 1937-8-6 9048 Sierra Northern Sierra Nevada, N. Fork Yuba River, 5 mi. above Downieville. 1066 Comment
  CHSC107901  Frangula purshiana subsp. ultramafica L. P. Janeway 2011-9-15 10734 Sierra Northern High Sierra Nevada. Plumas National Forest; just above Slate Creek; along the road to Johnsville (Road 900; Road 22N12X) 3.2 road km east of Quincy-La Porte road; 0.7 km northeast of Delahunty Lake; Whiskey Diggings. 1763 Comment
  CAS-BOT-BC53818  Frangula rubra Rimo Bacigalupi 1927-7-4 1621 Sierra Slopes above north fork of Yuba River, 2 miles west of Yuba Pass 2072 Comment
  SD61007  Frangula rubra subsp. obtusissima D. F. Howe 1964-7-28 Sierra 5.5 mi. so. Of Gold Lake Lodge, Tahoe Nat. Forest 1829 Comment
  CAS-BOT-BC59593  Frangula rubra subsp. rubra Carl B. Wolf 1937-8-6 9042 Sierra Northern Sierra Nevada, no. fork of Yuba River, 2 1/2 mi. above Downieville. 975 Comment
  SJSU14029  Frasera albicaulis N. A. Hopkins 1988-6-26 1450 Sierra Sierra Valley 1524 Comment
  UC197198  Fritillaria pudica C. F. Sonne 1889-4-21 Sierra Sierra Nevada Mountains, Dog Valley Dog Valley; Sierra Nevada Mountains, Dog Valley Comment
  JEPS125817  Galium aparine William Harnach 2013-5-1 1331 Sierra 1.6 miles West of Goodyears Bar on Highway 49 and North of the Ramshorn campground. Comment
  CHSC43369  Galium bifolium Lowell Ahart 1979-7-15 1966 Sierra On the north side of Mt. Fillmore. 1981 Comment
  CAS-BOT-BC182236  Garrya fremontii Elmer I. Applegate 1921-9-8 3387 Sierra On road between Gold Lake and Sierra City Comment
  CAS-BOT-BC182242  Garrya fremontii Mrs. E. C. Sutcliffe 1926-10-16 s.n. Sierra Salmon Lake Comment
  POM161773  Garrya fremontii R. C. Bacigalupi 1927-7-2 1614 Sierra Along North Fork of Yuba River, halfway between Downieville and Sierra City. 2073 Comment
  JEPS124862 Image available Garrya fremontii M. L. Wheelis 1964-6-25 99 a Sierra East side of Sand Pond. Comment
  CHSC92410  Gaultheria ovatifolia L. P. Janeway; B. Castro 2005-9-19 8548 Sierra Northern Hight Sierra Nevada. Plumas National Forest; about 50 m south of Gold Run Creek and 530 m east of 'town' of Poverty Hill. 1372 Comment
  CHSC46125  Gayophytum Lowell Ahart 1983-10-27 4493 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadow Reservoir, about 1 mile south of Pass Creek. 2011 Comment
  CAS-BOT-BC478888  Gayophytum G. L Smith 1959-6-19 1224 Sierra Lower Sardine Lake 1828 Comment
  CHSC28702  Gayophytum diffusum subsp. parviflorum R. A. Schlising; C. A. Lawler 1979-8-23 3480 Sierra South of Randolph along Hwy 89, about 8 miles south of junction with Hwy 49; in meadow. Comment
  CHSC52940  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1989-8-16 3587 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
  UC1561817  Gayophytum diffusum subsp. parviflorum Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7214 Sierra Tahoe National Forest Rd S450 ca 1.5 mi e Hwy 89 (head of river, ca 12 air mi n of Truckee, upper end of Kyburz Flat, n of road); Kyburz Flat, Little Truckee River 1920 Comment
  UCR136724  Gayophytum diffusum subsp. parviflorum L. S. Rose 1934-7-20 34394 Sierra Gold Lake 1951 Comment
  SEINET4150790  Gayophytum diffusum var. strictipes W. Harnach, N. Harnach 1990-7-31 497 Sierra Sierra Valley, home 1509 Comment
  UC66113  Gayophytum heterozygum P. B. Kennedy 1901-7-20 200 Sierra Lincoln Valley Comment
  SEINET4153117  Gayophytum racemosum W. Harnach, N. Harnach 1989-6-27 181 Sierra Sierra Valley, Calpine Ranch (home) 1506 Comment
  UCD102200  Gentianopsis simplex Daniel Sanchez-Mata; Tomas Santamaria 2008-8-6 s.n. Sierra Forest City. Banner Mine Road. Harris Meadows. 1860 Comment
  SDSU7159  Gentianopsis simplex D. F. Howe 1959-8-2 2779 Sierra 1 mile west of Yuba Pass. 1829 Comment
  JEPS124076  Geum macrophyllum var. perincisum Lowell Ahart 2015-5-9 20177 Sierra About one mile west of Highway 49, about 2 miles west of Indian Valley. Comment
  UCD113297  Geum triflorum R. O. Hanes 1995-6-20 267 Sierra Tahoe Forest. 1792 Comment
  JEPS118493  Gilia capillaris Lowell Ahart 2011-9-23 17704 Sierra About 50 yards north of Pass Creek, about 350 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
  CHSC12400  Gilia capitata Lowell Ahart 1973-5-25 Sierra Near Alleghany. 914 Comment
  SDSU3076  Gilia capitata subsp. capitata D. F. Howe 1964-7-27 3875 Sierra 14.3 miles W of Downie ville on north fork of Yuba River. Tahoe National Forest. 762 Comment
  CHSC45446  Gilia capitata subsp. mediomontana Lowell Ahart 1973-5-25 235 Sierra Along the Foote Road, south of Alleghany. 1219 Comment
  CHSC94115  Gilia capitata subsp. mediomontana Lowell Ahart 2006-6-21 12821 Sierra On the south side of the Foote Road, about 1.3 miles (by road) southwest of Alleghany. 1305 Comment
  SEINET12278791  Gilia leptalea J. G. Lemmon 1874-1 185 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
  CHSC69978  Glyceria elata L. P. Janeway; Eric Schroder 1997-8-20 5354 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. Along creek. 2042 Comment
  JEPS122442  Glyceria elata L. P. Janeway 2014-8-12 11568 Sierra Northern High Sierra Nevada. Plumas National Forest; tributary to Whiskey Creek (an upper tributary to Slate Creek), 1.0 air-km north-northeast of Lake Delahunty; near crossing of Road 22N01X. Quad: Onion Valley 7.5'. Comment
  JEPS75451  Glyceria elata W. L. Jepson 1934-8-2 16787 Sierra 2 mi e Bassett (Pioneer road station); North Fork Yuba River 1706 Comment
  SJSU13936  Glyceria elata N. A. Hopkins 1984-8-4 1225 Sierra c. 1 mi SW of Calpine, Sierra Valley 1524 Comment
  UCD66742  Glyceria leptostachya Freed W. Hoffman 1946-6-12 922 Sierra Between Mohawk and Calpine. Comment
  UCR45297  Gnaphalium canescens subsp. beneolens R. D. Goeden 1986-9-10 s.n. Sierra Tahoe Nat'l Forest, Jackson Meadow Reservoir, 22 mi NW of Truckee, north side of Fireboard Rd. 1890 Comment
  CAS-BOT-BC302659  Gnaphalium palustre John Thomas Howell; Gordon H. True 1970-7-14 5560 Sierra Verdi Peak Road ca. 3 miles from intersection with Dog Valley-Stampede Dam Road Comment
  CHSC61783  Gnaphalium palustre Lowell Ahart 1993-9-10 7178 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
  SJSU12152  Gnaphalium palustre N. A. Hopkins 1975-8-26 725 Sierra c. 2 mi N of Independence L 2103 Comment
  UCD84205  Gratiola ebracteata 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
  SEINET11940898  Grayia spinosa J. G. Lemmon 1874-1 193 Sierra Comment
  UC87908  Grindelia hirsutula T. S. Brandegee Sep 1888 Sierra Verdi Comment
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Aug 21 2007
  SJSU12276  Grindelia nana N. A. Hopkins 1984-8-31 Sierra c. 1 mi S of Calpine 1524 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
  CHSC50818  Grindelia squarrosa var. serrulata Vernon Oswald; Lowell Ahart 1990-7-25 4394 Sierra Staverville Rd 1.5 mi west of Hwy 395. Roadside. 1584 Comment
  SBBG120356  Hackelia micrantha D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16748 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 Comment
  SEINET11849293  Haplopappus suffruticosus J. G. Lemmon 1874-1 97 Sierra Sierra Co., &c Comment
  UC367064  Hastingsia alba unknown July, 1874 Sierra in meadows Sierra Valley; Sierra Valley, Sierra Co. Comment
  SJSU14471  Hazardia whitneyi N. A. Hopkins 1990-8-25 1633 Sierra c. 1.5 mi SW of Calpine 1524 Comment
  CAS-BOT-BC306729  Helenium bigelovii A. R. Kruckeberg 1954-7-31 3657 Sierra Near Sacramento Boys Camp, Packer Lake road, Lakes Basin Recreation Area. Sierra Buttes area Comment
  SEINET11196753 Image available Helianthella californica P. B. Kennedy 1901-7-8 117 Sierra Near Webber Lake Comment
  JEPS16747  Helianthella californica subsp. nevadensis Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4271 Sierra near Calpine; Sierra Valley 1493 Comment
  CAS-BOT-BC314809  Helianthella californica var. nevadensis Lewis S. Rose 1934-7-15 34366 Sierra Gold Lake 1950 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-BC314817  Helianthella californica var. nevadensis Mrs. H. C. Cantelow 1951-7-23 11 Sierra Hwy. 89, 9 miles north of Hobart Mills 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
  SJSU4526  Helianthella californica var. nevadensis H. L. Buckalew 1964-7-19 Sierra Yuba Pass 2042 Comment
  CAS-BOT-BC305368  Helianthus annuus W. Harnach; N. Harnach 1989-8-27 249 Sierra Sierra Valley. Strang corrals 1499 Comment
  SEINET11196886 Image available Helianthus bolanderi W. Harnach, N. Harnach 1991-7-24 656 Sierra Sierraville, Lemmon Canyon Rd. approx 1.5 miles east of Hwy 49 1524 Comment
  SEINET11197279 Image available Hemizonella minima W. Harnach, N. Harnach 1989-6-24 164 Sierra Sierra Valley. 0.5 miles S of Sattley, Martinetti Ranch. At the borrow pit. 604 Comment
  UCD103892  Hesperis matronalis A. M. Shapiro 2011-6-19 s.n. Sierra In town of Sierraville along Hwy 89. 1524 Comment
  SEINET12279752  Hesperochiron californicus J. G. Lemmon 1874-1 177 Sierra Comment
  HSC15820  Hesperolinon micranthum R. G. Means 1962-6-22 7 Sierra 4 mi. W of Downieville, Hwy. 49 832 Comment
  CAS-BOT-BC420715  Heuchera micrantha Gordon H. True 1962-5-1 548 Sierra On Comptonville-Downieville Highway, at N Yuba Bridge 685 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
  UC337098  Hieracium albiflorum unknown Sierra Downieville Buttes Comment
  JEPS125764  Hieracium greenei William Harnach 2015-7-1 1426 Sierra 3 miles off of Henness Pass Road on FS Road 98. 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
  SJSU14200  Holodiscus discolor N. A. Hopkins 1989-8-6 Sierra summit of Deadmans Peak 2285 Comment
  NY11992  Homalobus plummerae J. G. Lemmon 1875-1 622 Sierra Comment
  CHSC61577  Hordeum brachyantherum subsp. brachyantherum L. P. Janeway 1984-8-19 1054 Sierra Meadow at second switchback down the road from Packers Saddle towards Packer Lane. 1981 Comment
  UC1132114  Hordeum brachyantherum subsp. brachyantherum G. T. Nordstrom 1936-7-22 946 Sierra 1 mi se Sawmill; 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
  CAS-BOT-BC143410  Horkelia fusca var. brownii W. Harnach; N. Harnach 1989-5-21 106 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  NY436041  Horkelia sericoleuca J. G. Lemmon 1874-1 s.n. Sierra Comment
  NY436043  Horkelia sericoleuca J. G. Lemmon 1874-1 71 Sierra Comment
  UC114315  Horkelia tridentata subsp. flavescens J. G. Lemmon 1875-1 90 Sierra Sierra Co. Comment
Read comments
Jun 12 2012
  SEINET10736878  Horkelia tridentata var. flavescens John G. Lemmon 1874-1 Lemmon 68 Sierra Comment
  CHSC53200  Hosackia crassifolia var. crassifolia L. P. Janeway 1989-8-24 3630 Sierra Plumas National Forest. North facing slopes along the SE side of McNair Mdw: ca 1 mi W of Calpine L.O. 1630 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
  CHSC41449  Hosackia incana Lowell Ahart 1986-6-23 5327 Sierra Near the dirt road 1 1/2 miles south-east of the Poverty Hill Mine, about 1 1/2 miles north of Scales, about 5 miles south of La Porte. 1524 Comment
  SEINET5500006  Hydrophyllum capitatum var. alpinum W. Harnach, N. Harnach 1989-4-15 026 Sierra Sierra Valley, Sierra-Plumas county line on road A-23 1524 Comment
  SEINET5499956  Hydrophyllum capitatum var. alpinum P. Lehenbauer 1935-5-21 s.n. Sierra Balls Canyon Comment
  SEINET5499970  Hydrophyllum capitatum var. alpinum K. Genz 1979-5-23 9123 Sierra Turning south at forest boundary, Long Valley Road, travel Mitchell Canyon Road for 2.3 miles 1817 Comment
  SEINET5500031  Hydrophyllum capitatum var. alpinum P. B. Kennedy, S. B. Doten 1901-7-12 164 Sierra [Sierra Nevada] Weber Lake Comment
  SEINET5500046  Hydrophyllum capitatum var. alpinum D. Eckert 1954-5-13 s.n. Sierra Dog Valley 1981 Comment
  SEINET12006032  Hymenolobus procumbens J. G. Lemmon 1874-1 s.n. Sierra Sierra Co., &c Comment
  JEPS78155  Hypericum perforatum Gary W. Zamzow 1972-6-27 27 Sierra 3 1/4 mi w of Downieville (on Highway 49) 822 Comment
  CAS-BOT-BC401320  Hypericum scouleri W. Harnach; N. Harnach 1989-7-16 231 Sierra Sierra Valley. Martinetti Ranch, along side Hwy 49 1511 Comment
  CAS-BOT-BC401321  Hypericum scouleri W. R. Dudley 1909-8-27 s.n. Sierra Meadow west of Juniper Ridge, Sierra Valley Comment
  SEINET8655756 Image available Hypochaeris radicata W. Harnach 2014-8-11 1392 Sierra Townsite of Calpine, 200 block of Coates Ave. 1522 Comment
  SJSU4142  Idahoa scapigera C. W. Sharsmith & W. Savage 1967-5-21 7533 Sierra 2.5 mi NE of Sierraville, Sierra Valley 1524 Comment
  JEPS124075  Iris hartwegii subsp. pinetorum Lowell Ahart 2015-5-9 20190 Sierra About 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. Comment
  CAS-BOT-BC494092  Isatis tinctoria W. Harnach; N. Harnach 2000-5-22 899 Sierra Sierra Valley, approx. 2 mi NE of Sierraville on Hwy 49, going to Loyalton 1524 Comment
  JEPS113949  Isatis tinctoria W. and N. Harnach 2000-5-22 899 Sierra Sierra Valley, approx 2 miles NE of Sierraville on Hwy 49, going to Loyalton. Comment
  RSA252420  Isoetes bolanderi R. F. Thorne, C. W. Tilforth 1969-9-6 39219 Sierra Gold Lake. 1951 Comment
  CAS-BOT-BC69999  Isoetes bolanderi Barbara Trowbridge 1976-7-28 8051 Sierra On the s.-facing slope of the first ridge n. of White Rock Lake, w. slope of Mt. Lola. 2560 Comment
  SJSU12098  Isoetes bolanderi N. A. Hopkins 1977-9-9 904 Sierra near outlet of Deer Lake 2194 Comment
  CHSC59069  Isoetes howellii Vernon H. Oswald; L. Ahart, L. Gehrung, L. Hanson, T. Martin 1992-8-20 5171 Sierra Duck Soup Pond, 1.6 mi (air) SSE of Pilot Pk., ca. 9 mi (air) Ne of La Porte. 2036 Comment
  CAS-BOT-BC137412  Ivesia aperta W. Harnach; N. Harnach 1989-7-30 234 Sierra Sierra Valley. Approx 1.1 miles west of Loyalton on north side of Hwy. 49 1508 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
  CDA12299  Ivesia aperta var. aperta G. F. Hrusa 1991-7-4 8453 A Sierra Sierra Valley; Antelope Valley, approx. 1.5 miles from Sierraville Rd. in 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
  SEINET11908322  Ivesia aperta var. aperta J. G. Lemmon 1874-1 70 Sierra Sierra Co., &c Comment
  JEPS111223  Ivesia aperta var. canina Steve Matson 2005-6-18 1289 Sierra Dog Valley, Toiyabe NF, ca 4 miles northwest of Verdi, NV; just east of old Dog Valley Ranger Station. 39.5619 N, 120.0453 W; Elevation 5800 ft. 1767 Comment
  NY362  Ivesia aperta var. canina J. R. Shevock 1986-6-1 11532 Sierra Common along dry meadow borders near the USFS guard station at Dog Valley, Toiyabe National Forest, T20N R17E, S25. NE 1/4, NW of Verdi, Nevada, volcanic soils, 1700 m Comment
  RSA297776  Ivesia aperta var. canina Barbara Ertter, J. Strachan, A. Tiehm, M. Williams 1979-6-13 2767 Sierra Dog Valley, Mitchell Canyon Road, Toiyabe Nat'l Forest W of Reno. Comment
  SEINET222619  Ivesia aperta var. canina K. R. Genz 1978-7-25 8486 Sierra Toiyabe National Forest ; unspecified 1829 Comment
  SEINET3025759 Image available Ivesia aperta var. canina James R. Shevock, B. J. Ertter 1986-6-1 11532 Sierra Near the USFS guard station at Dog Valley, Toiyabe National Forest; NW of Verdi, Nevada 1700 Comment
  SEINET4855363  Ivesia aperta var. canina Unknown 1986-6-1 11532 Sierra Near the USFS Guard Station at Dog Valley, Toiyabe National Forest NW of Verdi. 1700 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
  SEINET6031169  Ivesia aperta var. canina M. J. Williams 1979-6-13 79- 75 -1 Sierra Mitchell Canyon road into Dog Valley Comment
  CHSC42798  Ivesia gordonii L. P. Janeway 1984-8-11 986 Sierra Where the trail up the NW side of Sierra Buttes meets the jeep trail. Overlooking Young America Lake. 2316 Comment
  CAS-BOT-BC142356  Ivesia sericoleuca James R. Shevock 1987-6-27 11801 Sierra Tahoe National Forest along county road S450, southeast side of Kyburz Flats - Western slope of the Northern Sierra Nevada 1828 Comment
  CAS-BOT-BC142398  Ivesia sericoleuca Margaret J. Williams 1979-6-13 79- 75 -1 Sierra Mitchell Canyon Road into Dog Valley Comment
  CHSC67699  Ivesia sericoleuca James D. Jokerst 1985-7-22 2525 Sierra Vernal pools In East-side Yellow Pine Forest. 899 Comment
Read comments
Jan 15 2009
  RSA790601  Ivesia sericoleuca James R. Shevock, Barbara Ertter 1986-7-20 11735 Sierra Along California highway 89, about 1 mile west of Sierraville. 1650 Comment
  UC1748298  Ivesia sericoleuca James D. Jokerst 1985-7-22 2525 Sierra 899 Comment
  SEINET10737061 Image available Ivesia sericoleuca John G. Lemmon 1874-1 Lemmon 71 Sierra Comment
  CAS-BOT-BC205246  Ivesia webberi James R. Shevock; Barbara Ertter 1986-6-1 11531 Sierra Northern Sierra Nevada. Toiyabe National Forest. Dog Valley, 6.8 miles west of Verdi adjacent to the Forest Service Guard Station 1800 Comment
  UCR254209  Ivesia webberi J. R. Shevock, Barbara Ertter 1986-6-1 11531 Sierra Northern Sierra Nevada, Toiyabe National Forest, Dog Valley, 6.8 mi west of Verdi adjacent to the Forest Service Guard Station 1800 Comment
  SEINET5334868  Ivesia webberi D. Small 1962-1 Sierra Comment
  CAS-BOT-BC110013  Juncus W. Harnach; N. Harnach 1990-5-13 315 Sierra Sierra Valley. Martinetti Ranch. 1517 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
  UCD84269  Juncus balticus Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1498 Comment
  JEPS124659 Image available Juncus balticus Reinhard Jockel 1969-7-3 34 Sierra Kyburz Marsh 2 miles east of highway 89, several miles N of Little Truckee Bridge. Comment
  CHSC78935  Juncus bufonius var. bufonius Lowell Ahart 2000-10-2 8704 Sierra About 100 yards west of the Pacific Crest Trail and Bunker Hill Ridge, about 1 1/2 miles southeast of Pilot Peak, about 8 miles (air) northeast of La Porte. 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
  CHSC46989  Juncus confusus L. P. Janeway 1989-8-18 3608 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. 2057 Comment
  CHSC105552  Juncus covillei Lowell Ahart 2010-9-15 17181 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
  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
  RSA95514  Juncus dubius J. T. Howell 1951-8-21 28257 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  UC1495742  Juncus hemiendytus var. abjectus Barbara Ertter and Jeffrey Strachan 1980-6-13 3695 Sierra 0.6 mi n Dog Valley (on road to Dog Valley Campground, nw of Verdi, Nevada); Toiyabe National Forest 1828 Comment
  CHSC41496  Juncus hemiendytus var. hemiendytus Barbara Ertter; Jeffrey L. Strachan, Arnold Tiehm, M. Williams 1979-6-13 2765 Sierra Dog Valley on Mitchell Canyon Road, Toiyabe Nat'l Forest W of Reno, along stream near roadside in meadow. Comment
  SD121499  Juncus hemiendytus var. hemiendytus Barbara Ertter, JL Strachan, A. Tiehm, M. Williams 1979-6-13 2765 Sierra Dog Valley on Mtchell Canyon Road, Toiyabe National Forest west of Reno, wet sandbar & mud along stream near roadside in meadow. 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
  CHSC105690  Juncus mertensianus 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) east of Haskell Peak. 2134 Comment
  CHSC60619  Juncus mertensianus L. P. Janeway 1984-7-29 949 Sierra About 3 1/2 mi southeast from Gold Lake, near Road 28 (21N11). Ridgetop/saddle. 2225 Comment
  CHSC47013  Juncus nevadensis L. P. Janeway 1989-8-18 3609 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. In dirt road. 2057 Comment
  CHSC49619  Juncus nevadensis Vernon Oswald 1984-6-25 1313 Sierra La Porte-Quincy Rd., ca. 7 mi n-e of La Porte. Edge of a meadow. 1737 Comment
  CHSC69960  Juncus nevadensis L. P. Janeway; Eric Schroder 1997-8-14 5333 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. 2042 Comment
  JEPS67014  Juncus nevadensis W. L. Jepson 1934-8-2 16813 Sierra 2 mi e Bassett Sta. (Pioneer road sta.); North Fork Yuba River 1706 Comment
  RSA252442  Juncus nevadensis Robert F. Thorne, C. W. Tilforth 1969-9-6 39199 Sierra Moist margin of Haven Lake (between Goose and Snag Lakes). 1951 Comment
  RSA286323  Juncus nevadensis Robert F. Thorne 1974-7-30 45051 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2057 Comment
  RSA772428  Juncus nevadensis L. Ahart 2010-9-15 17178 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
  CHSC108471  Juncus nevadensis var. nevadensis 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
  CHSC109880  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
  JEPS119978  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. 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
  CHSC61933  Juncus orthophyllus Lowell Ahart 1993-9-24 7243 Sierra In small meadow, on both sides of the meadow are red rock outcrops, 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. 2133 Comment
  JEPS87454  Juncus orthophyllus Lowell Ahart 1993-9-24 7243 Sierra ca. 3/4 mi. s. of dirt rd. from Gibsonville to Johnsville (n. side of Mt. Fillmore, w. side of poor dirt rd. that ends at a stream); Mt. Fillmore 2133 Comment
  UC1609501  Juncus orthophyllus Lowell Ahart 1993-9-24 7243 Sierra ca. 3/4 mi. s. of dirt rd. from Gibsonville to Johnsville (n. side of Mt. Fillmore, w. side of poor dirt rd. that ends at a stream); Mt. Fillmore 2133 Comment
  SEINET13710041  Juncus orthophyllus Lowell William Ahart, Lowell William Ahart 2001-1 9067 Sierra Haypress Valley, 100 Yds. S of Yuba Pass Webber Lake Rd. (Fsr 12), 4 Mi. NW Webber Lake (T19N, R13E, sec 1, SW 1/4) 7000 Ft. 680 Comment
  JEPS49027  Juncus oxymeris Leland S. Smith 1927-7-27 2129 Sierra Dorsey Creek; along Yuba Pass Rd 1981 Comment
  CHSC66828  Juncus parryi Vernon H. Oswald; Lowell Ahart 1996-8-19 8202 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.2 mi S of the road to Lincoln Valley. On a roadside bank. 2346 Comment
  CHSC74027  Juncus parryi B. Castro; M. A. Griggs 1997-7-10 776 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. On mid-slope of northeast face (leeward side). 2133 Comment
  HSC93431  Juncus parryi Vernon H. Oswald, L. Ahart 1996-8-19 8202 Sierra Yuba Pass-Weber Lake Rd., 1.2 mi. S of the rd. to Lincoln Valley 2348 Comment
  JEPS96060  Juncus parryi Vernon H. Oswald and Lowell Ahart 1996-8-19 8202 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.2 mi s road to Lincoln Valley; northern High Sierra Nevada 2346 Comment
  SEINET6174925  Juncus parryi W. Harnach, N. Harnach 2000-7-4 940 Sierra Sierra Valley, about 1.2 mile north of Coburn Lake at the end of access road 2188 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
  CHSC110460  Kalmia polifolia L. P. Janeway; Tim Hanson, Emily Meigs 2013-7-25 11191 Sierra Northern High Sierra Nevada. Plumas National Forest; Mt Fillmore Meadows, meadow #1 (also called High Bench Fen); head of Pearson Ravine, 1.0 air km southwest of the top of Mt Fillmore. 2111 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
  CHSC93079  Keckiella breviflora var. breviflora L. P. Janeway 1994-7-1 4677 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. 1127 Comment
  SJSU12061  Keckiella breviflora var. breviflora N. A. Hopkins 1975-7-24 691 Sierra Rosassco Ravine 1 mi W of Downieville 914 Comment
  JEPS125765  Keckiella breviflora var. glabrisepala William Harnach 2015-6-17 1422 Sierra Approximately 2.5 miles north of Cal-Ida Road from Highway 49 at Indian Valley. Comment
  UC1238917  Keckiella breviflora var. glabrisepala Freed W. Hoffman 1946-6-12 916 Sierra near Sierra City (Highway 49); Sierra Nevada Comment
  JEPS12466  Kelloggia galioides W. L. Jepson 1934-8-2 16798 Sierra 2 mi e Bassett sta. (Pioneer road sta.); North Fork Yuba River 1706 Comment
  SEINET12628804  Kelloggia galioides P. B. Kennedy, S. B. Doten 1901-7-10 139 Sierra Canyon below Webber Lake. Comment
  UCD82352  Kobresia myosuroides Ayzik Solomeshch 2009-6-8 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. 1493 Comment
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Feb 1 2013
  CHSC66784  Kyhosia bolanderi Vernon H. Oswald; Lowell Ahart 1996-8-19 8213 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
  JEPS125754  Kyhosia bolanderi William Harnach 2014-8-13 1393 Sierra 0.75 West of Highway 49 on the Chapman Saddle Road, near Sattley. Comment
  JEPS40387  Kyhosia bolanderi W. L. Jepson 1934-8-2 16786 Sierra 2 mi e Bassett Sta.; North Fork Yuba River, Pioneer Sta. 1706 Comment
  CAS-BOT-BC340359  Kyhosia bolanderi Clare B. Hardham 1985-7-31 30111 Sierra Chapman Creek, west side of Yuba Pass 1767 Comment
  CAS-BOT-BC340507  Lactuca serriola John Thomas Howell 1951-8-21 28244 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  CDA11843  Lathyrus brownii G. F. Hrusa, E. Sandoval 1993-5-3 11157 Sierra Sierra Valley; E side of Golden Dome E side of Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). Comment
  CAS-BOT-BC213331  Lathyrus jepsonii subsp. californicus Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  SEINET7370962  Lathyrus lanszwertii D. Small 1962-5-9 s.n. Sierra 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
  UCR262441  Lathyrus latifolius George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20799 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  UCR206331  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14858 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  SEINET12165188  Lathyrus sulphureus F. H. Utech 1986-1 86 -071 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  SEINET6658648  Lathyrus sulphureus Duane Isely 1965-5-29 9655 a Sierra Adjacent to Yuba river, below state #49, east of Downieville.; 0 Comment
  SEINET6658650  Lathyrus sulphureus Duane Isely 1965-5-29 9650 Sierra State #49, ca 1/2 mile north-east crossing of North Yuba River.; 0 Comment
  CAS-BOT-BC321057  Layia glandulosa Alice Eastwood 1918-6-29 7857 Sierra Loyalton 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
  RSA252454  Ledum glandulosum var. californicum R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-6 39207 Sierra Goose Lake, SE of Gold Lake. 1951 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
  JEPS125723  Lemna gibba William Harnach 2015-10-13 1464 Sierra 4.0 miles South of Highway 49 on Antelope Valley Road. Comment
  JEPS125724  Lemna gibba William Harnach 2015-10-13 1463 Sierra 6.3 miles West of Loyalton on Highway 49. Comment
  UC1101281  Lemna gibba Malcolm A. Nobs, S. Galen Smith 1949-8-20 1494 Sierra about 0.5 mi w of Loyalton (on road to Sierraville, Sierra Valley); Sierra Valley Comment
  UCD138109  Lemna gibba Malcolm A. Nobs; S. Galen Smith 1949-8-20 1492 Sierra Marshy pasture about 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley. Comment
  SEINET8655849  Lemna minuta W. Harnach 2015-10-6 1460 Sierra 1.6 miles North of Sattley on County Road A-23. 1503 Comment
  CAS-BOT-BC534934  Lemna minuta S. Galen Smith; Malcom A. Nobs 1949-8-20 1496 Sierra Marshy pasture about 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley. Comment
  CHSC32054  Lepidium campestre L. Ahart 1973-5-25 240 Sierra Near Alleghany. 914 Comment
  CDA9218  Lepidium densiflorum D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .313 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 Comment
  CAS-BOT-BC12995  Lepidium virginicum Catherine Best 1981-6-18 s.n. Sierra Sierra Nevada. Sardine Lake. Comment
  RSA8975  Leptochloa fusca subsp. uninervia H. A. Barker 1927-7-11 803 Sierra Gold Lake 1966 Comment
  UC67097  Leptodactylon pungens S. B. Doten and P. B. Kennedy 1901-7-8 104 Sierra Webber Falls Comment
  SEINET14161723  Leptosiphon ciliatus W. Harnach, N. Harnach 1989-6-4 123 Sierra Sierra Valley, E of Calpine, Calpine Ranch (home) 1506 Comment
  SEINET14161868  Leptosiphon ciliatus S. B. Doten 1901-7-2 74 b Sierra NE Webber Lake Comment
  SJSU13881  Leptosiphon ciliatus N. A. Hopkins 1986-7-1 1350 Sierra 1 mi S of Calpine 1524 Comment
  SJSU4989  Leptosiphon ciliatus N. A. Hopkins 1968-6-30 138 Sierra Packer L 1889 Comment
  RSA517306  Leptosiphon harknessii Barbara Ertter, Tahoe Chapter CNPS 1987-6-27 7218 Sierra Kyburz Flat ca 12 air miles N of Truckee, head of Little Truckee River; ca. 1.5 miles E of Highway 89 on Tahoe National Forest Road S450. 1921 Comment
  CHSC73758  Lesquerella occidentalis subsp. occidentalis B. Castro; M. A. Griggs 1997-7-10 768 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. 2136 Comment
  CAS-BOT-BC58252  Leucothoe davisiae Lewis S. Rose 1934-7-12 34352 Sierra Gold Lake. 1950 Comment
  CAS-BOT-BC58254  Leucothoe davisiae John Gill Lemmon s.n. Sierra Near Webber & Gold Lakes. Comment
  CAS-BOT-BC59624  Leucothoe davisiae Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake. Comment
  CAS-BOT-BC59625  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
  HSC65740  Leucothoe davisiae R. F. Thorne 1974-7-30 45032 Sierra Tahoe National Forest, Goose Haven and Snag Lakes areas. 2058 Comment
  JEPS66648  Leucothoe davisiae C. B. Bradley July 1920 Sierra Scales Diggins near Poverty Flat; Scales Diggins Comment
  SBBG50851  Leucothoe davisiae J. M. Tucker 1974-9-14 4339 Sierra Rock Crk, 0.75 mi NE of Scales 1371 Comment
  UC334234  Leucothoe davisiae J. G. Lemmon Sierra Downieville Buttes to Lassen's Peak (Webber Lake); Webber Lake Comment
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Sep 4 2010
  UC54433  Leucothoe davisiae H. M. Hall and E. B. Babcock July, 1903 4504 Sierra Gold Lake; Sierra Nevada Mountains, Gold Lake 1950 Comment
  UCD117529  Leucothoe davisiae J. M. Tucker 1974-9-14 4339 Sierra Adjacent to Rock Creek, 3/4 mile northeast of Scales. 1371 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
  CAS-BOT-BC444105  Lewisia nevadensis G. L Smith 1959-6-20 1235 Sierra Summit Meadow, Yuba Pass 2042 Comment
  JEPS43354  Lewisia nevadensis W. I. Follett 1937-6-18 Sierra Mohawk Creek Little Valley Comment
  UC1136692  Lewisia nevadensis H. S. Yates 1935-6-29 5293 Sierra Church Meadows Plumas National Forest, Downieville quadrangle Comment
  CHSC63656  Lewisia triphylla B. Castro; L. Hanson, K. van Zuuk 1989-6-13 317 Sierra Ca 1.5 air mi N of Mt. Fillmore on Sawmill Ridge, off USFS Rd 22N21X. 1889 Comment
  UC1136696  Lewisia triphylla H. S. Yates 1935-6-29 12109 Sierra 1 mi n Gold Lake; Plumas National Forest, Downieville qudrangle Comment
  UC54456  Lewisia triphylla H. M. Hall and E. B. Babcock July, 1903 4506 Sierra Gold Lake Sierra Nevada Mountains, Gold Lake 1950 Comment
  CAS-BOT-BC444497  Lewisia triphylla Catherine Best 1982-7-12 748 Sierra Above Packer's Lake. 2011 Comment
  CAS-BOT-BC444500  Lewisia triphylla Anna Head 1921-7-6 s.n. Sierra Feather River Region, near Gold Lake Comment
  SBBG5205  Ligusticum grayi H. and M. Dearing 1939-7-4 3824 Sierra Gold Lake Comment
  UC198909  Lilium columbianum C. F. Sonne May 1889 b Sierra Dog Valley Comment
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Dec 13 2006
  CAS-BOT-BC509352  Lilium kelleyanum George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  LA84037  Lilium pardalinum O. H. Kappler; 1946-7-20 1336 Sierra North Fork, Yuba River 822 Comment
  UC843976  Lilium pardalinum Mrs. E. C. Sutliffe Jul 1918 Sierra Salmon Lake Comment
  CAS-BOT-BC110638  Limnanthes alba Lowell Ahart 1977-6-3 s.n. Sierra Sierra Nevada. About 5 miles west of Alleghany. Along edge of road. 1500 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
  UC1562443  Linanthus ciliatus Lowell Ahart 1990-6-18 6526 Sierra about 1 mi ne Scales (e of road) 1524 Comment
  SEINET12279056  Linanthus ciliatus E. H. Graham 1931-1 6707 Sierra Donneis Lake, Nevada Mountains Comment
  UC335360  Linanthus harknessii unknown Aug 1878 Sierra near Webber Lake 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
  JEPS113945  Linaria dalmatica subsp. dalmatica W. and N. Harnach 2000-6-14 907 Sierra Sierra Valley approx. 1 mile south of the intersection od Smithneck Road and Hwy 49 in Loyalton CA. Comment
  SJSU14252  Linaria vulgaris N. A. Hopkins 1989-8-29 1596 Sierra Hwy 49 at Lombardi Point c. 1 mi W of Antelope Valley, 3.5 mi W of Loyalton 1524 Comment
  CAS-BOT-BC240382  Linnaea borealis subsp. longiflora Lowell Ahart 1970-7-5 s.n. Sierra At Poverty 1066 Comment
  JEPS108828  Linum lewisii var. lewisii Lowell Ahart 2006-6-28 12869 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1784 Comment
  NY39603  Linum micranthum J. G. Lemmon 1874-1 32 Sierra Comment
  UC117077  Listera convallarioides J. G. Lemmon 1875-1 256 Sierra Comment
  CAS-BOT-BC435559  Lithophragma glabrum Javier Penalosa 1962-6-20 2524 Sierra Little Truckee R. at Hwy 89 1905 Comment
  POM308865  Lithophragma glabrum Betty J. Jorgensen 1944-6-22 479 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  SEINET6032176  Lithophragma glabrum F. Martin 1962-5-9 34 Sierra Dog Valley proper Comment
  SEINET6032180  Lithophragma glabrum M. Demorest 1962-5-9 s.n. Sierra Dog Valley, north of dirt road 1829 Comment
  SEINET6032182  Lithophragma glabrum L. L. Killinger 1962-5-9 s.n. Sierra Southwest end of Dog Valley 1829 Comment
  SEINET6032235  Lithophragma glabrum F. Brunetti 1962-5-9 s.n. Sierra Dog Valley Area, 15 miles northwest of Verdi 1768 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
  SEINET8916822  Lithophragma parviflorum W. Harnach 2013-5-21 1356 Sierra Sierra Valley, along County Road exiting Calpine to the N and paralleling Hwy 89. 1529 Comment
  UCD102742  Lithophragma parviflorum R. Randell 1996-5-26 22 Sierra Tahoe National Forest, Wild Plum Loop Road, 0.8 miles from Wild Plum Road, 1.25 miles from highway 49. 1500 Comment
  CAS-BOT-BC443348  Lithophragma parviflorum D. E. Breedlove 1962-6-13 3487 Sierra along State Highway 89, 9.3 miles north of Sierraville 1524 Comment
  JEPS110048  Lomatium macrocarpum Lowell Ahart 2006-6-21 12835 Sierra About 30 yards west of the road, about 2 1/2 miles (by road) west of Forest 1397 Comment
  RSA791145  Lomatium nevadense J. R. Shevock, Barbara Ertter 1988-5-16 11817 Sierra Toiyabe National Forest. West side of Dog Valley, about 5 miles NW of Verdi off of Interstate 80. 1829 Comment
  UC1561958  Lomatium nevadense var. parishii Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7211 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, upper end of flat n. of rd., Kyburz Flat); Kyburz Flat 1920 Comment
  JEPS111221  Lomatium nudicaule Steve Matson 2005-6-18 1287 Sierra Dog Valley, Toiyabe NF, ca 4 miles northwest of Verdi, NV; just east of old Dog Valley Ranger Station. 39.5619 N, 120.0453 W; Elevation 5800 ft. 1767 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
  SEINET215145  Lomatium nudicaule Lee Smith, WB McHenry 1970-6-10 Sierra At roadside ca 3 miles northwest of Sierraville State Highway 89 Comment
  SFV8554  Lomatium nudicaule L. Smith, W. B. McHenry 1970-6-10 s. n. Sierra Sierra Nevada About 3 miles northwest of Sierraville on State Highway 89. Roadside. Comment
  UCD127707  Lomatium nudicaule Grady L. Webster 1990-5-13 7727 Sierra Sierra Valley, 0.5 mile west of Sierraville. 1508 Comment
  CHSC37644  Lonicera conjugialis T. B. Devine 1981-8-15 745 Sierra S facing slopes near Lower Sardine Lake, ca. 2 mi NW of the junction of Gold Lake Road and Hwy 49. 1889 Comment
  CHSC66802  Lonicera conjugialis Vernon H. Oswald; Lowell Ahart 1996-8-19 8229 Sierra Lake of the Woods ca. 1.5 mi NE of Webber Lake. 2255 Comment
  JEPS88197  Lonicera conjugialis Vernon H. Oswald and Lowell Ahart 1996-8-19 8229 Sierra Lake of the Woods ca. 1.5 mi. n.e. Webber Lake; northern High Sierra Nevada, Lake of the Woods 2255 Comment
  SD123514  Lonicera conjugialis Robert F. Thorne 1974-7-30 45034 Sierra Tahoe National Forest; Goose, Haven and Snag Lake areas. 2060 Comment
  SEINET12266825  Lonicera involucrata J. G. Lemmon 1874-1 90 Sierra Sierra Co. &c Comment
  HSC93309  Lonicera involucrata var. involucrata Vernon H. Oswald, L. Ahart 1996-8-19 8230 Sierra Lake of the Woods, ca. 1.5 mi. NE of Webber Lake. 2256 Comment
  SEINET6655540  Lotus nevadensis Peter Ahart, Lowell Ahart 1983-10-11 4466 Sierra Along edge of dirt road to Ahart Sheep Camp, ca. 1 miles N of Milton Reservoir, 3 miles NW of Jackson Meadow Reservoir. Yellow Pine Forest.; 0 1800 Comment
  UCR257831  Lotus purshianus var. purshianus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19512 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-BC60242  Lunaria annua Leah D. McKee 1981-5-17 051 Sierra Edge of Sierra City heading west on Highway 49. 1249 Comment
  RSA406985  Lupinus Robert Gustafson 1985-6-10 3140 Sierra SFSU Sierra Nevada Field Station, ca 6 miles below Yuba Pass summit on Hwy. 49.. 1921 Comment
  SEINET12165535  Lupinus albicaulis F. H. Utech 1986-1 86 096 a Sierra Tahoe National Forest, Indian Valley, near junction of North Yuba River & Fiddle Bow Creek on CA 49 950 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
  RSA8038  Lupinus apertus H. A. Barker 1927-7-17 809 Sierra Snake Lake 2043 Comment
  JEPS82087  Lupinus arbustus Paul C. Hutchison 1983-8-9 8446 Sierra 3 air mi ne of Saddleback Mountain (just e of and below summit, Democrat Peak); Democrat Peak 1905 Comment
  UC585205  Lupinus arbustus E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1619 Sierra on the highway 1 1/2 mi s Sierraville; s of Sierraville 1615 Comment
  UC865230  Lupinus arbustus Lewis S. Rose 1934-7-3 34311 Sierra Gold Lake Comment
  SEINET5767543 Image available Lupinus arbustus subsp. silvicola Lewis S. Rose 1934-1 s.n. Sierra Gold Lake 1951 Comment
  RSA7878  Lupinus arbustus subsp. silvicola H. A. Barker 1927-7-3 766 Sierra Grade between Gold Lake and Blairsden. 1677 Comment
  CAS-BOT-BC196350  Lupinus argenteus var. argenteus D. H. Wilken; E. L. Painter; M. Wetherwax 2007-6-17 16749 Sierra East end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake, Sierra Buttes 1985 Comment
  JEPS127475  Lupinus argenteus var. argenteus Steve Matson 2006-6-6 1623 Sierra nSNH; Dog Valley; NW of Verdi, NV; NE of Truckee. Comment
  SBBG120355  Lupinus argenteus var. argenteus D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16749 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 Comment
  CAS-BOT-BC196374  Lupinus argenteus var. heteranthus Alice Eastwood 1918-6-29 7841 Sierra Loyalton Comment
  CHSC105781  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
  UCR270716  Lupinus argenteus var. heteranthus John F. Emmel 1999-6-5 1624 Sierra Sierra Nevada Mtns., Verdi Range; Henness Pass Road at junction with Sunrise Creek Road 1555 Comment
  SEINET5327994  Lupinus argenteus var. meionanthus P. B. Kennedy, S. B. Doten 1901-8-10 148 Sierra [Sierra Nevada] Webber Lake Comment
  CAS-BOT-BC196684  Lupinus breweri var. breweri M. Boone 1881-5-16 058 Sierra 1 mile N. of junction of 89 on highway 49 1524 Comment
  CAS-BOT-BC196687  Lupinus breweri var. breweri Catherine Best 1984-6-19 995 Sierra On Hwy. 49 at the Yuba Summit Comment
  RSA286294  Lupinus breweri var. breweri Robert F. Thorne 1974-7-30 45040 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  SEINET6654527  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.; 0 Comment
  HSC93197  Lupinus breweri var. grandiflorus Vernon H. Oswald, L. Ahart 1996-8-19 8218 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
  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
  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
  CHSC54586  Lupinus lepidus var. sellulus Lowell Ahart 1991-7-22 6689 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  CHSC81024  Lupinus lepidus var. sellulus Lowell Ahart 2001-8-10 9077 Sierra Strand of Sampede Reservoir, about 1 mile southwest of Henness Pass Road, about 1 1/4 miles northwest of the Stampede Reservoir Dam. 1810 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
  CHSC61791  Lupinus obtusilobus Lowell Ahart 1993-9-10 7213 Sierra On the north side of Mt. Fillmore, about 1 1/2 miles south of the dirt road from Gibsonville to Johnsville. 2286 Comment
  SEINET10819700 Image available Lupinus onustus John G. Lemmon Lemmon s.n. Sierra Indian Valley to Shasta Comment
  SEINET8060101  Lupinus polyphyllus var. burkei W. Harnach, N. Harnach 1989-6-10 136 Sierra Sierra Valley, 1.5 miles W of Sierraville on Hwy 49. 1503 Comment
  SDSU5005  Lupinus polyphyllus var. burkei D. F. Howe 1959-8-2 2780 Sierra Boggy place near creek 1 mile west of Yuba Pass. 1829 Comment
  CHSC105830  Luzula cascadensis Lowell Ahart 2010-8-3 17033 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 1/8 mile (air) west of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  JEPS117424  Luzula cascadensis Lowell Ahart 2010-8-3 17033 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 1/8 mile (air) west of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (a 1731 Comment
  UC1586497  Luzula comosa var. laxa Lowell Ahart 1991-7-22 6687 Sierra In French Meadow, near a small branch of Pass Creek, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake 2133 Comment
  RSA368904  Luzula comosa var. laxa Robert Gustafson 1985-6-12 3156 Sierra Lincoln Creek campground off highway 49, Yuba Pass Summit area. 1982 Comment
  CHSC61895  Luzula divaricata Lowell Ahart 1993-9-10 7190 Sierra Along the edges of a small stream, at the end of a poor dirt road where there is a camp and water ditch, on the north side of Mount Fillmore, about 1 mile southwest of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CHSC61896  Luzula subcongesta Lowell Ahart 1993-9-10 7189 Sierra Along the edges of a small stream, at the end of a poor dirt road where there is a camp and water ditch, on the north side of Mount Fillmore, about 1 mile southwest of the dirt road from Gibsonville to Johnsville. 2133 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
  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
  UCD40308  Luzula subsessilis Rodney Gale Myatt 1971-7-3 820 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  SEINET6170872  Lycium barbarum H. Hamlin 1522 Sierra Sierra Valley Comment
  UC1714337  Lycium halimifolium H. M. Hall and E. B. Babcock Jul 1903 4462 Sierra Beckwith; Sierra Nevada Mountains 1524 Comment
  UCD84192  Lythrum portula 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
  JEPS108727  Madia exigua Lowell Ahart 2006-6-21 12803 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  UCD84087  Madia exigua 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
  CAS-BOT-BC342876  Madia glomerata Lowell Ahart 1983-10-27 4476 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
  HSC97012  Madia gracilis L. Ahart 2006-6-21 12804 Sierra W side of the Foote Rd., about 3.7 mi. SW of Alleghany. 1094 Comment
  RSA0035519  Madia gracilis George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-5 20751 Sierra Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  UCR249152  Madia gracilis George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20751 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  SJSU6449  Maianthemum racemosum N. A. Hopkins 1970-6-10 317 Sierra Packer Lake 1889 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-BC512757  Maianthemum racemosum subsp. amplexicaule Mrs. E. C. Sutliffe 1917-8-1 s.n. Sierra Gold Lake Region Comment
  SEINET12049305  Maianthemum stellatum Blake, Blake 1890-1 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC347357  Malacothrix floccifera L. S. Smith 1935-6-20 2758 Sierra Tahoe National Forest. Sierra Valley along road to Loyalton 1554 Comment
  POM197163  Marsilea oligospora J. G. Lemmon 1883-07 s.n. Sierra Sierra Valley Comment
  SEINET11718397  Marsilea oligospora J. G. Lemmon n d 227 Sierra no further locality Comment
  SJSU4028  Marsilea vestita subsp. vestita C. W. Sharsmith & Wayne Savage 1967-5-20 7529 B Sierra by Sierraville-Loyalton road, 6 mi N of Sierraville, Sierra Valley 1478 Comment
  UCD134457  Matricaria discoidea Gerald Dickinson 1963-6-19 52 Sierra Sierraville, State Highway 89. 1524 Comment
  JEPS75458  Melica aristata W. L. Jepson 1934-8-3 16835 Sierra 2 mi e Bassett station (Pioneer road station); North Fork Yuba River 1706 Comment
  CAS-BOT-BC271803  Melica bulbosa L. P. Janeway; Garrett Gibson 1991-7-22 4087 Sierra 1/2 mi due east of Mohawk Gap along road 21N31B, Beckwourth Ranger Station, Plumas National Forest 2225 Comment
  CAS-BOT-BC282068  Melica fugax John Thomas Howell 1955-7-20 30887 Sierra Near Calpine 1508 Comment
  CAS-BOT-BC281379  Melica harfordii Catherine Best 1982-7-12 738 A Sierra Herringtons, Sierra City Comment
  UC717987  Melica harfordii David D. Keck 1944-7-8 5397 Sierra 6 mi below Downieville (North Fork of Yuba River); North Fork of Yuba River 762 Comment
  UCD87380  Melica harfordii Beecher Crampton 1954-5-10 1850 Sierra Sierra County, 6 miles northeast of Camptonville, along highway 49, south canyon of the North Yuba River. Comment
  UCD87490  Melica harfordii A. H. Frederick 1925-6-29 s.n. Sierra Downieville, Slug Canon. Comment
  UCD87502  Melica harfordii Freed W. Hoffman 1946-6-11 1839 Sierra Yuba River near San Juan (Cartrights). Comment
  SEINET11678891  Melica stricta J. G. Lemmon 1874-1 223 Sierra Sierra Co. &c. Comment
  SEINET4671671  Melica stricta P. B. Kennedy 1901-7-6 s.n. Sierra Canyon below Webber Falls Comment
  SEINET4671717  Melica stricta P. A. Lehenbauer 1937-6-8 67 Sierra 25 mi. w. of Reno, NV on Truckee R. at Iceland, s. side of river by falls 1676 Comment
  SCFS1081  Mentha arvensis F. Felix 2014-1 Sierra Cobbled creek bank Comment
  SEINET7952366  Mentha arvensis W. Harnach, N. Harnach 1990-8-17 517 Sierra Sierra Valley. Approx 1.5 miles S of Sattley. Strang Ranch (Elvers back 80). 1524 Comment
  JEPS25521  Mentzelia montana Rimo Bacigalupi with Lincoln Constance 1959-6-15 7132 Sierra 5 mi n Sierraville (at base of hills bordering western edge of Sierra Valley, along road to Loyalton.) 1493 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
  CAS-BOT-BC429032  Micranthes nidifica Rimo Bacigalupi 1927-7-4 1617 Sierra Along banks of north fork of north fork of the Yuba River 2 miles west of Yuba Pass 1920 Comment
  CAS-BOT-BC429091  Micranthes odontoloma W. R. Dudley 1894-8-30 s.n. Sierra Trail toward Mountain Lake Pass, west of Webber Lake Comment
  CHSC32069  Micranthes odontoloma L. Ahart 1975-8-17 946 Sierra Along a small stream above Jones Valley, 3 mi w and 2 mi s of Webber Lake. 2286 Comment
  CHSC53172  Micranthes odontoloma L. P. Janeway 1989-8-18 3603 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. Creekside stringer. 2072 Comment
  CAS-BOT-BC429252  Micranthes oregana W. Harnach; N. Harnach 1989-5-13 094 Sierra Sierra Valley. Martinetti Ranch. 1517 Comment
  SEINET6167620  Micranthes oregana P. B. Kennedy, S. B. Doten 1901-7-23 209 Sierra Lincoln Valley Comment
  CHSC44884  Microseris nutans Lowell Ahart 1975-8-17 947 Sierra Near the edge of Jones Valley, about 3 air miles west and 2 miles south of Webber Lake. 2286 Comment
  SEINET11602000 Image available Microseris nutans W. Harnach, N. Harnach 1991-7-14 640 Sierra Coburn Lake, ca 0.25 mile below outlet to lake. 2280 Comment
  SEINET11602006 Image available Microseris nutans W. Harnach, N. Harnach 1989-6-4 126 Sierra Sierra Valley, E of Calpine, Calpine Ranch (home).; 39.675619 -120.422666 1506 Comment
  CAS-BOT-BC349260  Microseris nutans D. E. Breedlove 1962-6-13 3491 Sierra Along State Hwy. 89, 9.3 miles north of Sierraville 1524 Comment
  CAS-BOT-BC349261  Microseris nutans W. Harnach; N. Harnach 1989-6-4 126 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  SJSU4997  Microseris nutans N. A. Hopkins 1968-6-29 126 Sierra Packer L 1950 Comment
  UCSB15964  Microseris nutans Breedlove, Dennis 1962-6-13 Sierra Along State Highway 89, 9.3 miles north of Sierraville 1524 Comment
  SJSU14256  Microsteris gracilis N. A. Hopkins 1989-7-1 1551 .5 Sierra by rd between Yuba Pass & Webber L c. 2 mi N of Henness Pass 2042 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
  JEPS87324  Mimulus David M. Thompson 1992-6-9 1122 Sierra w Goodyears Bar (0.4 mi w of Ramshorn Campground turnoff along Hwy 49); North Fork Yuba River 760 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
  UCR59465  Mimulus aurantiacus var. grandiflorus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-28 901 Sierra Sierra Nevada Mtns., Convict Flat Picnic Area, on North Yuba River, 12 mi NE of Camptonville on Hwy 49 780 Comment
  HSC24801  Mimulus aurantiacus var. grandiflorus James Henrickson 1969-5-25 3439 Sierra 45 mi. NE of Yuba City, 7 mi. W of Downieville, 4 mi. E of Yuba Co. border Comment
  UCD122314  Mimulus aurantiacus var. grandiflorus P. B. Kennedy 1927-5-30 s.n. Sierra N. fork of Yuba. Comment
  SEINET3820362 Image available Mimulus breweri Lewis S. Rose 1924-7-2 34305 Sierra Gold Lake. 1951 Comment
  SEINET12329957  Mimulus guttatus F. H. Utech 1986-1 86 -065 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  RSA501118  Mimulus kelloggii B. Pitzer, S. Morgan, H. M. Soldan 1988-5-28 894 Sierra Convict Flat Picnic Area, 12 mi. NE of Camptonville, on Hwy 49. On the North Yuba River. Comment
  RSA409260  Mimulus kelloggii Robert Gustafson 1984-5-15 2942 Sierra Near Convict Flat turnoff on Hwy. 49. 854 Comment
  UCSB27412  Mimulus kelloggii Kunze, G. 1971-6-6 Sierra California 49; 3 miles north of North San Juan 1371 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
  JEPS9030  Mimulus moniliformis Rimo Bacigalupi with Aldo Bacigalupi 1952-8-19 3949 Sierra 1 1/2 mi w Yuba Pass (along California Highway No. 49) 1981 Comment
  JEPS10760  Mimulus moniliformis Alma Ames June 1913 19 Sierra summit Yuba Pass Comment
  UCR249141  Mimulus moschatus George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20765 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  HSC96897  Mimulus nanus var. mephiticus L. Ahart 2006-6-21 12837 Sierra Ca. 30 yds W of road, about 2.5 mi. (by road) W of Forest 1398 Comment
  JEPS16857  Mimulus nanus var. mephiticus John G. Lemmon July, 1887 Sierra Webber Lake Comment
  JEPS30991  Mimulus nanus var. mephiticus D. E. Breedlove 1962-6-13 3528 Sierra 10.0 mi s Sierraville (on State Highway 89); Sierra Nevada, Little Truckee River 1950 Comment
  RSA491813  Mimulus nanus var. mephiticus B. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 870 Sierra Above Ramshorn Campground, on Hwy 49, ca. 15 mi. NE of Camptonville and ca. 5 mi W of Downieville. 823 Comment
  RSA795661  Mimulus nanus var. mephiticus L. P. Janeway, B. Castro 2012-6-16 10881 Sierra Northern High Sierra Nevada. Tip of a short southeastern spur of Gibsonville Ridge, 1.1 km NNW of Gibsonville. 1885 Comment
  UCR53716  Mimulus nanus var. mephiticus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 870 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
  RSA509434  Mimulus tilingii B. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 869 Sierra Above Ramshorn Campground, on Hwy. 49, ca. 15 miles NE of Camptonville and ca. 5 miles W of Downieville. 823 Comment
  SEINET12269822  Mimulus torreyi J. G. Lemmon 1874-1 156 Sierra Sierra Co. &c Comment
  UCD122933  Mimulus torreyi N. Hopkins 1975-7-24 713 Sierra near Alleghaney. Comment
  CAS-BOT-BC432930  Mitella breweri Roxana S. Ferris 1926-9-7 6843 Sierra Summit of Ebbetts Pass Comment
  CAS-BOT-BC432927  Mitella breweri M. Lavin 1982-6-27 4155 Sierra Salmon Lake just North of Sierra Buttes. 1981 Comment
  UC66427  Mitella breweri P. B. Kennedy and S. B. Doten 1901-7-19 192 Sierra near Lincoln Valley Comment
  SJSU11395  Monardella breweri subsp. glandulifera M. D. Fleschner 1965-6-29 Sierra Hwy 49, 1 mi W of Downieville 853 Comment
  JEPS124563 Image available Monardella lanceolata M. R. Kempf 1965-6-29 220 Sierra South facing road bank .3 miles Northeast of Goodyears Bar on HWY 49. Comment
  CAS-BOT-BC221807  Monardella odoratissima Alice Eastwood 1918-6-29 7816 Sierra Loyalton Comment
  SEINET13948649 Image available Monardella odoratissima Philip A. Munz 1948-1 12329 Sierra Carvin Creek on Hwy 59, NE of Sierra City; 5700 ft alt 1737 Comment
  SD123506  Monardella odoratissima subsp. glauca Robert F. Thorne 1974-7-30 45041 Sierra Tahoe National Forest: Goose, Haven, and Snag Lake areas. 2057 Comment
  UCD149530  Monardella odoratissima subsp. glauca G. L. Stebbins 1970-7-25 7076 Sierra Northwest ridge of Mount Fillmore. (Exact location unknown. Coordinates estimated by label maker.) 1950 Comment
  CAS-BOT-BC222129  Monardella odoratissima subsp. pallida John Thomas Howell; Gordon H. True 1970-7-14 5562 Sierra Verdi Peak Road ca. 3 miles from intersection with Dog Valley-Stampede Dam Road Comment
  CHSC67825  Monardella odoratissima subsp. pallida James D. Jokerst 1989-7-14 3135 Sierra Balls Ranch Surveys. Adjacent to Staverville Rd. in Balls Canyon ca. 0.33 mi E of Balls Ranch. 1828 Comment
  CHSC67826  Monardella odoratissima subsp. pallida James D. Jokerst 1990-7-27 3163 Sierra Balls Ranch Surveys for Jones and Stokes. Burma Summit, 6 mi SE of Loyalton. 2468 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-BC222133  Monardella odoratissima subsp. pallida Catherine Best 1983-8-29 875 Sierra Above Packers Lake 1950 Comment
  RSA39080  Monardella odoratissima subsp. pallida P. A. Munz 1948-8-11 12329 Sierra Carvin Creek on Hwy 49, NE of Sierra City 1738 Comment
  SEINET5333327  Monardella odoratissima subsp. pallida P. B. Kennedy, Samuel Bradford Doten 1901-7-12 165 Sierra [Sierra Nevada] Webber Lake Comment
  SEINET5333381  Monardella odoratissima subsp. pallida P. B. Kennedy 1901-7-12 165 Sierra Webber Lake Comment
  CHSC66525  Monolepis nuttalliana Lowell Ahart 1996-7-25 7703 Sierra In the corral in French Meadow, south of old Henness Pass Road, about 2 miles west of Webber Lake. 1950 Comment
  JEPS96050  Monolepis nuttalliana Lowell Ahart 1996-7-25 7703 Sierra ca. 2 mi. w. Webber Lake (in the corral in French Meadow, s. of the old Henness Pass Rd.); French Meadow 1950 Comment
  UCD99121  Monolepis nuttalliana A. M. Shapiro 1993-6-12 s.n. Sierra 1.2 m. N of Sierraville. 1519 Comment
  CAS-BOT-BC444749  Montia chamissoi Rimo Bacigalupi 1927-7-4 1604 Sierra Along banks of north fork of Yuba River 2 miles west of Yuba Pass 1920 Comment
  CDA11857  Montia chamissoi G. F. Hrusa, J. Jokerst 1991-7-5 8557 A Sierra Sierra Valley Region; Antelope Valley immediately S of Golden Dome. Comment
  SEINET9140906  Montia chamissoi W. Harnach, N. Harnach 1990-6-6 341 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  UC66444  Montia fontana P. B. Kennedy and S. B. Doten 1901-7-5 90 Sierra Webber Lake Comment
  CAS-BOT-BC445057  Montia linearis Catherine Best 1982-7-10 711 Sierra Near the Little Truckee River about 15 mi. northwest of Truckee. 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
  SEINET3025748  Montia linearis Rimo Bacigalupi, Lincoln Constance 1959-6-15 7129 Sierra Just southwest of Sierraville, Sierra Valley 1510 Comment
  SJSU12155  Montia linearis N. A. Hopkins 1983-5-23 Sierra 1.5 mi S of Calpine, Sierra Valley 1524 Comment
  CAS-BOT-BC267036  Muhlenbergia filiformis Lowell Ahart 1983-10-27 4473 Sierra About 2 miles SE of Jackson Meadows Res., ca 1 mile S of Pass Creek 2200 Comment
  CHSC47622  Muhlenbergia filiformis Lowell Ahart 1983-10-27 4473 Sierra Near a dirt road that is about 2 miles south-east of the Jackson Meadow Reservoir Dam, about 1 mile south of Pass Creek, near Jackson Meadow Reservoir. 2011 Comment
  SEINET4672132  Muhlenbergia filiformis P. B. Kennedy, S. B. Doten 1901-7-23 2126 Sierra Lincoln Valley Comment
  CAS-BOT-BC275169  Muhlenbergia richardsonis Catherine Best 1982-7-10 715 Sierra Near the Little Truckee River about 15 miles NW of Truckee Comment
  SEINET8465062 Image available Muhlenbergia richardsonis Ayzik Solomeshch 2009-6-8 Sierra Sierra Valley, Roen Ranch, along Westside Road, ca 2 km north of intersection of Westside Road and Calpine Rd., [then] c. 1 km east of Westside Road 1493 Comment
  UC1101590  Muhlenbergia richardsonis Malcolm A. Nobs and S. Galen Smith 1949-8-21 1524 Sierra seepage area Sierra Valley, Island School Comment
  SEINET10960376  Muhlenbergia richardsonis John G. Lemmon 1874-1 Lemmon 220 Sierra Comment
  UCD84183  Myosurus apetalus 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
  UCD96285  Myosurus apetalus Herbert L. Mason 1953-6-16 14551 Sierra Sierra County. One mile south of Beckwourth Buttes. Comment
  SJSU4153  Myosurus minimus C. W. Sharsmith & Wayne Savage 1967-5-20 7525 Sierra 3 mi W of Loyalton, Sierra Valley 1508 Comment
  CAS-BOT-BC83242  Myosurus minimus Herbert L. Mason 1953-6-16 14551 Sierra One mile south of Beckwourth Buttes. Comment
  CHSC50834  Myriophyllum sibiricum Vernon Oswald; Lowell Ahart 1990-7-25 4390 Sierra Ca. 0.25 mi south of Staverville Rd, ca. 1 mi west of Balls Ranch. Abundant submersed aquatic in a small reservoir. 1935 Comment
  SEINET8917241  Myriopteris gracillima W. Harnach 2013-7-27 1375 Sierra Along Meadow Lake Road (S of Webber Lake), 3.25 miles S of Jackson Meadows Road. 2169 Comment
  SEINET5520877  Nama lobbii H. M. Hall, E. B. Babcock 4490 Sierra Sardine Lake 1829 Comment
  UC179059  Nama lobbii J. G. Lemmon 1875-1 Sierra Comment
  UCD139963  Narthecium californicum R. O. Hanes 1995-7-17 274 Sierra Tahoe Forest, Road 98-3, lower spur. 1780 Comment
  JEPS125814  Nasturtium officinale William Harnach 2015-10-6 1457 Sierra 2.2 miles East of Highway 49 on Lemmon Canyon Road, East of Sierraville. Comment
  CAS-BOT-BC60325  Nasturtium officinale W. Harnach; N. Harnach 1989-5-13 082 Sierra Sierra Valley. Martinette Ranch (Elvers). 1517 Comment
  SJSU14010  Nasturtium officinale N. A. Hopkins 1988-6-3 1423 Sierra brook leading to Davies Cr, Henness Pass Rd between Kyburz Flat & Sardine Valley Comment
  CDA11832  Navarretia breweri G. F. Hrusa, E. Sandoval 1993-5-3 11145 Sierra Sierra Valley; E side Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). Comment
  JEPS70245  Navarretia breweri John Gill Lemmon Jul 1883 Sierra Sierra Valley Comment
  CHSC54579  Navarretia capillaris Lowell Ahart 1991-7-22 6676 Sierra Along a stream in French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  CHSC61925  Navarretia capillaris Lowell Ahart 1993-9-24 7253 Sierra In a meadow which has red rock outcrops on both sides, 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. 2133 Comment
  UC54544  Navarretia capillaris H. M. Hall and E. B. Babcock July, 1903 4498 Sierra Gold Lake , Gold Lake (Sierra Nevada Mountains) 1950 Comment
  SEINET7974322 Image available Navarretia divaricata W. Harnach, N. Harnach 1989-6-4 130 Sierra Sierra Valley, 0.75 miles E of Calpine, Calpine Ranch (home). 1506 Comment
  SEINET7974323 Image available Navarretia divaricata H. Hamlin s.n. Sierra Sierra Valley Comment
  JEPS70323  Navarretia intertexta W. L. Jepson 1896-8-26 15014 Sierra w of Reno, Nevada; Dog Valley 1828 Comment
  UCD106101  Navarretia intertexta N. Hopkins 1981-7-1 152 Sierra 1 mile S of Calpine. Comment
  CHSC106594  Navarretia intertexta subsp. intertexta B. Castro; L. P. Janeway 2001-7-1 1268 Sierra Northern High Sierra Nevada. Near springs on lower northwest flank of Table Rock 0.6 mi southwest of Howland Flat, along USFS Road 21N08. 1767 Comment
  CHSC50838  Navarretia intertexta subsp. propinqua Vernon Oswald; Lowell Ahart 1990-7-25 4389 Sierra Ca. 0.25 mi south of Staverville Rd, ca. 1 mi west of Balls Ranch. 1935 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
  UC1562338  Navarretia intertexta subsp. propinqua Vernon Oswald and Lowell Ahart 1990-7-25 4389 Sierra 1 mi W of Balls Ranch (flat adjacent to a shallow impoundment, 0.25 mi S of Staverville Rd) 1935 Comment
  UC965527  Navarretia intertexta subsp. propinqua Herbert L. Mason 1952-7-19 14443 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth road); Sierra Valley 1524 Comment
  RSA469429  Navarretia leptalea C. B. Wolf 1937-8-6 9058 Sierra Northern Sierra Nevada, Church Meadows, SE of Gold Lake. 2043 Comment
  SEINET14151894  Navarretia leptalea subsp. bicolor P. B. Kennedy, S. B. Doten 1901-7-8 116 Sierra [Sierra Nevada] Near Webber Lake Comment
  CAS-BOT-BC230036  Navarretia leucocephala subsp. minima Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road 1495 Comment
  SD241922  Navarretia leucocephala subsp. minima Ayzik Solomeshch 2009-6-8 Sierra Sierra County: Sierra Valley, Roen Ranch, along Westside Road, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Road. 1493 Comment
  UCD84082  Navarretia leucocephala subsp. minima 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
  UCD84185  Navarretia leucocephala subsp. minima 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
  JEPS4100  Navarretia leucocephala subsp. minima Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4281 Sierra along road from Calpine to Beckworth; Sierra Valley 1463 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
  POM76022  Nemophila parviflora var. austiniae Lincoln Constance 1938-6-9 2304 Sierra E side of Yuba Pass, 2.4 miles NW of Sattley. 1524 Comment
  UC606946  Nemophila parviflora var. austiniae L. Constance 1938-6-9 2304 Sierra 2.4 mi nw Sattley (e side of Yuba Pass); e side Yuba Pass, nw of Sattley 1524 Comment
  UC606980  Nemophila pedunculata L. Constance 1938-6-9 2303 Sierra 2.4 mi nw Sattley (e side of Yuba Pass); e side Yuba Pass 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
  UC1125139  Nicotiana attenuata G. T. Nordstrom 1936-7-13 935 Sierra 3.8 mi se Dog Valley; Sierraville Quad. 1524 Comment
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Jun 6 2014
  CAS-BOT-BC60562  Noccaea fendleri subsp. glauca Lowell Ahart 1986-7-1 5334 Sierra 0.25 mile esat of Johnsonville Road, about 0.5 mile east of Lake Delahunty, about 8 miles northeast of La Porte. 1828 Comment
  UC585112  Nothocalais troximoides E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1666 Sierra 1/2 mi n Carmen Creek; w side Sierra Valley Comment
  SD241031  Notholithocarpus densiflorus George K. Helmkamp, E. A. Helmkamp 2011-6-9 17542 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 (Camptonville 7.5'Q) 899 Comment
  UCR197001  Notholithocarpus densiflorus George K. Helmkamp, E. A. Helmkamp 2008-5-20 13481 Sierra Sierra Nevada Mountains Foothills, Henness Pass road, 3.4 miles northeast of Camptonville 1261 Comment
  SEINET12192443  Oenothera flava subsp. flava J. G. Lemmon 1874-1 85 Sierra Comment
  CAS-BOT-BC355585  Oreostemma alpigenum var. andersonii George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC355588  Oreostemma alpigenum var. andersonii John Thomas Howell 1951-8-21 28268 Sierra Yuba Pass 2042 Comment
  CHSC40990  Oreostemma alpigenum var. andersonii J. D. Jokerst 1984-7-23 2106 Sierra Ca 200 feet north of Haypress Creek (east of Sierra City). 1767 Comment
  CHSC57409  Oreostemma alpigenum var. andersonii L. P. Janeway 1984-9-1 1103 Sierra Northwest side of Oakland Pond. 2194 Comment
  JEPS118129  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
  SJSU12275  Oreostemma alpigenum var. andersonii N. A. Hopkins 1984-9-4 1254 Sierra by Coburn Lake c. 4 mi SSE of summit of Yuba Pass 2286 Comment
  CDA42115  Orobanche cooperi R. E. Talbert 1962-8-3 s.n. Sierra Warner Ranch, ca. 1 1/2 miles north of Sierraville. 0 Comment
  CHSC42002  Orobanche fasciculata Lowell Ahart 1973-5-25 243 Sierra Found about 4 miles south-west of Alleghany. 914 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
  CHSC66526  Orthilia secunda Lowell Ahart 1996-7-25 7693 Sierra Open forest, south of the old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  CHSC66806  Orthilia secunda Vernon H. Oswald; Lowell Ahart 1996-8-19 8200 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
  JEPS117451  Orthilia secunda Lowell 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 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  JEPS88075  Orthilia secunda Vernon H. Oswald and Lowell Ahart 1996-8-19 8200 Sierra 1.2 mi s of the road to Lincoln Valley (Yuba Pass-Weber Lake Road (Forest Route 12), Northern High Sierra Nevada); Northern High Sierra Nevada, Yuba Pass-Weber Lake Road 2346 Comment
  CAS-BOT-BC466317  Orthilia secunda Lewis S. Rose 1934-7-20 34396 Sierra Gold Lake 1950 Comment
  SJSU12272  Orthocarpus cuspidatus subsp. cryptanthus N. A. Hopkins 1984-7-22 1222 Sierra by rd to Babbitt Peak, Bald Mt Range 2621 Comment
  UCD21010  Orthocarpus cuspidatus subsp. cryptanthus E. Bortiri 2002-7-3 WFC 58 Sierra Perazzo Meadows, Sierra Co. Comment
  UC1277993  Orthocarpus luteus B. Crampton 1957-7-24 4415 Sierra 4 mi ne Sattley (Van Vleck Ranch); ne of Sattley Comment
  UCD123244  Orthocarpus luteus B. Crampton 1957-7-24 4415 Sierra Gordon Van Vleck Ranch, Sierra Valley, 4 miles northeast of Sattley. Comment
  SEINET13709252  Oxypolis occidentalis Lowell William Ahart, Lowell William Ahart 2001-1 9295 Sierra 2 Mi. SE of Town of Poverty Hill, 1.25 Mi. N of Scales (T20N, R9E, sec 9, Ctr) 5000 Ft. 1524 Comment
  CAS-BOT-BC316808  Packera cana Lowell Ahart 1977-8-2 s.n. Sierra Ridge on west side of Mt. Fillmore, about 12 miles NE of La Porte 2400 Comment
  CHSC44888  Packera cana Lowell Ahart 1977-8-2 1522 Sierra On an open ridge, on the west side of Mount Fillmore, near the summit, about 12 air miles north-east of La Porte. 2194 Comment
  CAS-BOT-BC317116  Packera pauciflora G. L. Smith 1961-7-20 1433 Sierra At gate of Carnegie Experimental Gardens, Slate Creek Canyon. Comment
  UC53870  Packera streptanthifolia H. M. Hall and E. B. Babcock July 1903 4526 Sierra Little Truckee River Sierra Nevada Mountains, Little Truckee River 1920 Comment
  UC903106  Packera streptanthifolia Ethel Crum 1937-8-6 1939 Sierra 1.5 mi s Webber Lake; Sierra Nevada 2103 Comment
  CAS-BOT-BC317130  Packera streptanthifolia var. streptanthifolia Amos Arthur Heller; P. B. Kennedy 1907-7-1 8665 Sierra Purdy Comment
  CAS-BOT-BC28839  Paeonia brownii J. T. Howell; Gordon H. True 1970-7-14 5521 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  RSA8022  Paeonia brownii H. A. Barker 1927-6-24 735 Sierra Packer Lake. 1982 Comment
  UCD102569  Paeonia brownii Kris Baldwin 1983-7-2 29 Sierra 9 miles west of Highway 89 on Jackson Meadows Road. 2011 Comment
  CAS-BOT-BC175544  Parnassia palustris Gordon H. True 1971-9-7 7041 Sierra In Cold Stream Canyon ca. 3.5 miles south of Perazzo Meadows Comment
  CDA5494  Pastinaca sativa T. C. Fuller 1962-6-14 9019 Sierra South side of Highway 49 to Downieville, west limits of Sierra City. 0 Comment
  CHSC61798  Pectiantia breweri Lowell Ahart 1993-8-10 7192 Sierra Along the edges of a small stream, at the end of a poor dirt road where there is a camp and water ditch, on the north side of Mt. Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 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
  UCR12022  Pedicularis groenlandica Coleta A. Lawler 1968-6-27 120 Sierra Sierra Nevada Mtns., Yuba Pass Summit, on Hwy 49 2043 Comment
  UCR60810  Pedicularis groenlandica B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-28 975 Sierra Tahoe National Forest, Yuba Pass, on Hwy 49 2043 Comment
  CHSC51372  Pedicularis racemosa V. Oswald; L. Ahart, L. Hanson 1990-8-14 4438 Sierra East side of Forest Rd 20N35, ca. 0.5 mi (air) northeast of Scales. 1310 Comment
  JEPS16449  Pedicularis racemosa unknown 1880-1 Sierra Webber Lake; Pacific Coast Comment
  UC1563296  Pedicularis racemosa V. Oswald, L. Ahart, and L. Hanson 1990-8-14 4438 Sierra 0.5 air mi ne of Scales (e side of Forest Road 20N35) 1310 Comment
  UC1125740  Pedicularis semibarbata H. S. Yates 1935-6-29 5286 Sierra 1 mi n of Gold Lake; Plumas National Forest 1981 Comment
  CAS-BOT-BC69358  Pellaea brachyptera Lowell Ahart 1982-7-28 3694 Sierra about 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  CHSC37224  Pellaea brachyptera L. Ahart 1982-7-28 3694 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of La Porte. 1700 Comment
  UC1875012  Pellaea brachyptera Ruth Kirkpatrick 2005-7-20 1362 Sierra Sand Pond, S-facing rocky slope N of Sand Pond and N-side of road. 1767 Comment
  UC1936243  Pellaea brachyptera Alan R. Smith with Christopher Richard, and C. Don MacNeill 1980-8-20 751 Sierra N side of Haypress Creek, ca. 05 [sic] mi. up from Wild Plum Campground, where bridge crosses river Comment
  CHSC10627  Pellaea bridgesii Lowell Ahart 1967-9-29 Sierra Near Webber Lake. 2438 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
  SEINET11718067  Pellaea bridgesii L. Ahart, Ahart, P. 1983-1 4469 Sierra N side of Milton Reservoir, near Jackson Meadow Reservoir, both sides of road 1800 Comment
  POM148092  Penstemon azureus subsp. azureus George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  UC335731  Penstemon azureus var. azureus J. G. Lemmon Sierra Webber Lake Comment
  NY571206  Penstemon azureus var. azureus J. G. Lemmon 1874-1 155 Sierra Comment
  NY590175  Penstemon davidsonii var. davidsonii J. G. Lemmon 1875-1 217 Sierra Comment
  UC585126  Penstemon deustus E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1615 Sierra on highway 1 1/2 mi s Sierraville; s of Sierraville 1600 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
  UC169159  Penstemon deustus J. G. Lemmon 1875-1 221 Sierra Comment
  UC65849  Penstemon deustus S. B. Doten 1901-6-20 52 a Sierra Little Truckee 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
  UC690297  Penstemon deustus var. deustus David D. Keck 1928-6-13 438 Sierra on Yuba Pass Road 13.5 mi w Sierraville; Sierra Nevada, w of Sierraville on Yuba Pass Road 2072 Comment
  CHSC37230  Penstemon deustus var. suffrutescens L. Ahart 1982-7-28 3687 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of La Porte. 518 Comment
  JEPS95543  Penstemon deustus var. suffrutescens Lowell Ahart 1994-7-1 7421 Sierra 11 air miles NE of Alleghany (N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, 1 1/2 mi NE of Middlewaters) 1950 Comment
  NY609824  Penstemon deustus var. suffrutescens L. Constance 1938-6-8 2294 Sierra Junction of North and South Forks of the North Fork of the Yuba River at Sierra City 1371.6 Comment
  NY609851  Penstemon deustus var. suffrutescens J. G. Lemmon 1874-1 150 Sierra Comment
  NY600704  Penstemon gracilentus M. J. Williams 1983-8-7 83133- 1 Sierra Verdi Ridge, above Dog Valley 2316.5 Comment
  RSA794698  Penstemon gracilentus L. Ahart 2010-9-15 17168 Sierra About 20 yrds NW of the cabin, about 50 yrds SW of the middle pond, At the spring, About 2.75 air miles north of Yuba Pass on Hwy 49, about 4 air miles east of Haskell Peak. 2135 Comment
  SEINET5328216 Image available Penstemon gracilentus W. Harnach, N. Harnach 1990-6-30 454 Sierra Sierra Valley, Yuba Pass 2042 Comment
  NY600711  Penstemon gracilentus F. W. Pennell 1940-6-12 25850 Sierra Route 89, along Gold Creek, south of Sierraville 1676.4 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
  SEINET5328435 Image available Penstemon gracilentus M. J. Williams 1983-8-7 83- 133 -1 Sierra Verdi Ridge, above Dog Valley 2316 Comment
  UC169693  Penstemon heterodoxus J. G. Lemmon 1874-1 Sierra Comment
  CAS-BOT-BC239322  Penstemon newberryi var. berryi H. Albert Barker 1926-7-8 79 Sierra Gold Lake Ridge 2072 Comment
  NY627318  Penstemon newberryi var. newberryi D. D. Keck 1928-6-13 437 Sierra 13.5 miles west of Sierraville on Yuba Pass Road 2072.6 Comment
  SEINET5329208 Image available Penstemon newberryi var. newberryi W. Harnach, N. Harnach 1991-6-23 569 Sierra Sattley, Parlanti Ranch 1524 Comment
  CHSC37198  Penstemon roezlii L. Ahart 1982-7-28 3732 Sierra On rd cut bank about 2 mi n of the Marvin Ranch, ca. 4 mi ne of Scales. 1700 Comment
  SEINET8584726  Penstemon roezlii W. Harnach 2013-6-8 1367 Sierra South of borrow pit, 4 miles southwest of Hwy 395 (Bordertown, NV) on Forest Road 002 on Long Valley Road [road to Dog Valley]. 1678 Comment
  NY650148  Penstemon roezlii H. M. Hall 07 1903 4485 Sierra Lower Sardine Lake 1828.8 Comment
  UCD21519  Penstemon rydbergii Matthew Forister 2002-6-18 s.n. Sierra Hwy 49, 3.5 miles west of Sattley. 1828 Comment
  CAS-BOT-BC239622  Penstemon rydbergii var. oreocharis D. E. Breedlove 1962-6-13 3506 Sierra 1.5 miles north of Sierraville on State Hwy. 89 1524 Comment
  UC335718  Penstemon rydbergii var. oreocharis J. G. Lemmon Aug. 1874 Sierra Webber Lake and Peak Comment
  UCSB16093  Penstemon rydbergii var. oreocharis Breedlove, Dennis 1962-6-13 Sierra 1.5 miles north of Sierraville on State Highway 89 1524 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
  SEINET8482004 Image available Penstemon speciosus Noel H. Holmgren, Patricia K. Holmgren 2014-1 16541 Sierra SSierra Nevada, Summit along State Route 89, 4.3 km (2.6 mi) road distance from the Main Street turnoff of Calpine 1658 Comment
  UC495584  Penstemon speciosus Merle Randall 1930-6-26 Sierra Falls, Hawley Grade Lake Tahoe Region Comment
  UCR270425  Penstemon speciosus John F. Emmel 2000-6-9 1655 Sierra Northern Sierra Nevada Mountains, Henness Pass Road, 1.1-1.2 road miles northwest of junction with Sunrise Creek Road 1646 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
  CHSC37217  Perideridia bolanderi L. Ahart 1982-8-28 3710 Sierra Ca. 1/8 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  SEINET13944949 Image available Perideridia bolanderi Lincoln Constance, Tsan Iang Chuang 1967-1 3780 Sierra 2 mi NW of Sattley, alt. 5000 ft 1524 Comment
  SEINET11153134  Perideridia bolanderi subsp. bolanderi W. Harnach, N. Harnach 1989-6-4 127 Sierra Sierra Valley, E of Calpine, Calpine Ranch (home). 1506 Comment
  UC66027  Perideridia bolanderi subsp. bolanderi S. B. Doten 1901-7-5 94 Sierra Webber Lake Comment
  CHSC40974  Perideridia gairdneri subsp. borealis J. D. Jokerst 1984-7-23 2118 Sierra Ca. 3.5 mi. E. of Sierra City, ca. 200 ft. N. of Haypress Cr. 1767 Comment
  SEINET11153904  Perideridia gairdneri subsp. borealis S. B. Doten 1901-7-1 s.n. Sierra Webber Lake. Comment
  UCR572  Perideridia kelloggii Frank C. Vasek 1955-6-26 276 Sierra Sierra Nevada Mtns., Hwy 89, 15 mi. north of Truckee, Tahoe National Forest 2000 Comment
  UC1046217  Perideridia lemmonii L. Constance, R. Bacigalupi and E. Nasir 1953-9-9 3470 b Sierra Webber Lake; n end 2072 Comment
  UC1389945  Perideridia lemmonii John Weiler 1963-7-18 63323 Sierra 1.8 mi ne junction with Calpine road (near small stream); Sierra Valley Comment
  JEPS12304  Perideridia lemmonii W. L. Jepson 1918-8-17 8041 Sierra Sierra Valley 1524 Comment
  UC106531  Perideridia lemmonii J. G. Lemmon 1889-8-9 76 Sierra Crocker's Sierra Valley (near Yo Semite) Comment
  CAS-BOT-BC222769  Perideridia parishii John Thomas Howell 1969-9-13 46137 Sierra Near the southwest end of Webber Lake 2072 Comment
  CHSC53029  Perideridia parishii subsp. latifolia L. P. Janeway 1989-8-10 3567 Sierra Beckwourth Ranger District, Plumas National Forest. NE'ern slope between Haskell Pk and Hwy 89/Sulphur Cr. 2133 Comment
  CHSC69858  Perideridia parishii subsp. latifolia L. P. Janeway; Eric Schroder 1997-8-20 5358 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. 2042 Comment
  UC1389961  Perideridia parishii subsp. latifolia T. I. Chuang, L. Constance, R. S. Mitchell, and R. Schlising 1965-9-8 6029 Sierra Webber Lake 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
  JEPS23855  Phacelia bicolor var. bicolor Rimo Bacigalupi with Lincoln Constance 1959-6-15 7135 Sierra 5 mi n Sierraville (area at base of hills bordering the e edge of Sierra Valley (just s of Rice Hill), to e of rd to Loyalton) 1493 Comment
  UCR249639  Phacelia hastata var. hastata George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20783 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
  SEINET5759550  Phacelia heterophylla var. virgata P. B. Kennedy, S. B. Doten 1901-7-8 131 Sierra [Sierra Nevada] Near Webber Lake Comment
  UC54523 Image available Phacelia humilis H. M. Hall and E. B. Babcock 1903-7-1 4523 Sierra Little Truckee River Sierra Nevada Mountains; Little Truckee River, Sierra Co. 1920 Comment
  UCSB16013  Phacelia humilis Breedlove, Dennis 1962-6-13 Sierra Along Little Truckee River, 10.0 miles south of Sierraville on State Highway 89; Sierra Nevada 1950 Comment
  SBBG15811  Phacelia hydrophylloides H. and M. Dearing 1939-7-4 3831 Sierra Gold Lake Comment
  CHSC110245  Phacelia mutabilis L. P. Janeway 2012-6-24 10896 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
  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
  UCSB16009  Phacelia mutabilis 1962-6-13 Sierra Bank of Little Truckee River, 11.3 miles south of Sierraville on State Highway 89; Sierra Nevada 1905 Comment
  RSA10356  Phacelia mutabilis H. A. Barker 1926-7-2 28 Sierra Packer Lake Creek. 1982 Comment
  SEINET10837214  Phacelia mutabilis Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4477 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
  SEINET5506864  Phacelia procera P. B. Kennedy, S. B. Doten 1901-7-23 207 Sierra Lincoln Valley Comment
  CAS-BOT-BC250783  Phleum alpinum R. K. Gierisch; D. H. Esplin 1969-6-25 3495 Sierra Tahoe National Forest. Anderson Mdw. Comment
  SEINET4889149  Phleum pratense W. Harnach, N. Harnach 1990-7-12 472 Sierra Sierra Valley, approx 1.4 mile west of the Sierraville rodeo grounds on County road 1524 Comment
  CDA9212  Phlox diffusa D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .294 Sierra Above Sardine Lake on road to Sierra Butte. Comment
  UCR17471  Phlox gracilis Frank C. Vasek 1975-7-10 750710- 08 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
  UCR242989  Phlox gracilis Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Road, c. 100 m north from the road 1495 Comment
  JEPS69985  Phlox speciosa subsp. occidentalis Leland S. Smith 1926-4-12 1756 Sierra Rebel Ridge Range Tahoe National Forest 609 Comment
  SJSU12115  Phlox stansburyi N. A. Hopkins 1983-6-15 1145 Sierra by Long Valley Rd c. 2 mi W of Nevada State Line 1767 Comment
  CAS-BOT-BC478198  Phoenicaulis cheiranthoides James R. Shevock 1985-5-19 11153 Sierra Sierra Valley, along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  CHSC43519  Phyllodoce breweri Lowell Ahart 1976-10-11 1219 Sierra Meadow on the north side of Mount Fillmore, about 12 miles north-east of La Porte. 2133 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
  RSA8041  Phyllodoce breweri H. A. Barker 1927-7-20 826 Sierra Squaw Lake. 2012 Comment
  JEPS124080  Physocarpus capitatus Lowell Ahart 2015-5-9 20185 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  UC279873  Phytolacca americana N. I. Grauer 1924-9-21 Sierra Grass Valley Comment
  CAS-BOT-BC78491  Pinus contorta subsp. murrayana W. R. Dudley 1894-6-11 s.n. Sierra Near Sentinel Dome, Yosemite Valley Comment
  HSC1503  Pinus jeffreyi R. G. Means 1965-6-19 3 Sierra Old Independence Lake Rd. 2.5 mi. N of Sagehen Creek Project Rd. 2104 Comment
  RSA6655  Pinus jeffreyi T. Atkinson, Rutter 1899-9-17 s.n. Sierra Sierraville. Comment
  UC496208  Pinus jeffreyi Rutter and Atkinson 1899-9-17 Sierra Sierraville Comment
  MACF019590  Pinus monticola Trudy R. Ericson 1975-9-15 386 Sierra Babbitt Peak, Tahoe National Forest, near Forest Service Lookout Station 2669 Comment
  UCR163504  Pinus ponderosa var. ponderosa David A. Charlet, S. Seybold 1997-4-14 2383 Sierra Sierra Nevada, Little Truckee River drainage on W shoulder of State Hwy 89, 0.3 road mi N of Kyburz Flat Rd 1909 Comment
  MACF021052  Pinus washoensis Trudy R. Ericson 1976-7-3 575 Sierra Aprrox. 2 mi. northeast of Babbitt Peak Lookout Station, Tahoe National Forest 2669 Comment
  SBBG47316  Pinus washoensis J. T. Howell, G. H. True 1970-7-14 5498 Sierra Crystal Pk loop, ca. 0.5 mi W of Dog Valley Rd, near Dog Valley Cmpgrd 1950 Comment
  SEINET5323930  Pinus washoensis D. Charlet 1997-4-8 2375 Sierra Sierra Nevada, Little Truckee River drainage, on west shoulder of State Hwy 89, 0.3 rd mi N of Kyburz Flat Road. 1914 Comment
  CAS-BOT-BC228034  Plagiobothrys L. Smith 1939-6-14 s.n. Sierra Along road, Sierra Valley, Tahoe National Forest Comment
  UCD84228  Plagiobothrys cognatus 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
  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
  CAS-BOT-BC228231  Plagiobothrys hispidulus Lowell Ahart 1983-10-27 4483 Sierra Near a dirt road that is ca. 2 miles SE of Jackson Meadows Res., Ca. 1 mile S of Pass Cr., near Jackson Meadows Res. 2200 Comment
  JEPS78247  Plagiobothrys mollis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-20 4900 Sierra about 3 mi (air) ne Calpine (s of Beckwourth, Sierra Valley); Sierra Valley 1463 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
  SEINET9163566  Plantago lanceolata W. Harnach, N. Harnach 1990-7-12 473 Sierra Sierra Valley, Sierraville, ca 0.25 mile W of the rodeo grounds on county road. 1524 Comment
  SCFS2391  Plantago lanceolata J. Ammirati 1964-6-25 120 Sierra Ca 1 mi W of Downieville on Hwy 49 914 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
  JEPS64401  Platanthera leucostachys W. L. Jepson 1934-8-6 16872 Sierra s Sierraville; Cold Creek Comment
  JEPS64422  Platanthera leucostachys A. Ames July 1913 15 Sierra Yuba Gap Comment
  CHSC59031  Platanthera sparsiflora Lowell Ahart 1992-7-17 6792 Sierra About 2 (air) miles east of Quartz Point, about 6 (air) miles south-east of Downieville. 1706 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
  SEINET6171070  Platanthera sparsiflora W. Harnach, N. Harnach 1990-6-30 446 Sierra Sierra Valley, Yuba Pass 2042 Comment
  SEINET3892853  Platanthera sparsiflora D. W. McNeal 1995-7-15 4116 Sierra Beside Mills Pk. Rd., 0.5 mi E of the jct. of the Gold Lake cutoff, Plumas National Forest.; 0 Comment
  SEINET8531783  Plectritis macrocera W. Harnach, N. Harnach 1990-4-22 274 Sierra Approx 5 miles N of Sierraville on Hwy 49, Newman point (east side of hwy and up the slope) 1585 Comment
  CAS-BOT-BC261027  Poa Catherine Best 1982-7-12 745 Sierra Herrington's, Sierra City, Sierra Nevada 1219 Comment
  CAS-BOT-BC254775  Poa bolanderi Lowell Ahart 1977-8-2 1490 Sierra On the N side of Mount Fillmore, about 12 miles NE of La Porte 2000 Comment
  SEINET10508291  Poa bolanderi Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4482 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
  SEINET10659119  Poa bolanderi Harvey M. Hall, Harley P. Chandler Hall 432 Sierra North Fork of Kings River. Half-Moon Meadows. Comment
  SEINET7709409  Poa bolanderi H. G. Oosting, W. D. Billings 1941-8-1 s.n. Sierra 1/4 mi. W of Yuba Pass. Comment
  CAS-BOT-BC254984  Poa bulbosa W. Harnach; N. Harnach 1989-4-23 044 Sierra E slope Sattley Hill 1520 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-BC255104  Poa compressa Catherine Best 1984-6-19 1016 Sierra Sardine Lake Comment
  JEPS110286  Poa compressa Lowell Ahart 2006-6-21 12801 Sierra On the west side of the Foote Road, near Blue Ravine, about 3 miles (by road) southwest of Alleghany 1053 Comment
  CHSC73901  Poa cusickii subsp. epilis B. Castro; M. A. Griggs 1997-7-10 751 Sierra Bunker Hill Ridge, on SW-facing slope E of Duck Soup Pond, approaching the ridge crest, along Pacific Crest Trail. 2103 Comment
  SEINET7826783  Poa fendleriana K. R. Genz 1979-5-21 9105 Sierra Upper Long Valley, West of Long Valley road on old Railroad grade which goes to Purdy Creek 1798 Comment
  CHSC67321  Poa glauca subsp. rupicola James D. Jokerst 1991-7-1 3326 Sierra Golden Dome Mine Project Site in the S end of Antelope Valley, E of Sierra Valley, summit of the 'Astrodome. Comment
  CAS-BOT-BC255859  Poa leibergii R. K. Gierisch; D. H. Esplin 1969-6-25 3484 Sierra Saddle Meadow, Tahoe Forest 1950 Comment
  CAS-BOT-BC246859  Poa nemoralis Catherine Best 1979-6-15 s.n. Sierra Herringtons, Sierra City 1219 Comment
  CAS-BOT-BC246867  Poa nervosa Gordon H. True 1967-7-31 3667 Sierra Verdi Peak Road about 1/2 mile below summit 2499 Comment
  CHSC80995  Poa palustris Lowell Ahart 2001-8-10 9072 Sierra Wet road gutter, on the east side of Hobart Mills Road, about 100 feet west of the power pole, about 1 mile (air) south of Stampede Reservoir. 1798 Comment
  RSA115600  Poa palustris Beecher Crampton 1957-7-24 4420 Sierra Peat meadow, Van Vleck Ranch, Sierra valley, 4 miles northeast Sattley Comment
  CAS-BOT-BC247430  Poa pratensis H. M. Hall; E. B. Babcock 1903-7-1 4479 Sierra Sierra Valley 1524 Comment
  CAS-BOT-BC247431  Poa pratensis Javier Penalosa 1962-6-20 2519 Sierra Little Truckee R. at Hwy. 89 1905 Comment
  UC149786  Poa pratensis subsp. pratensis H. M. Hall and E. B. Babcock July, 1903 4478 Sierra Sierra Valley; Sierra Nevada Mts 1524 Comment
  UC593541  Poa pratensis subsp. pratensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1614 Sierra on hwy 1 1/2 mi s Sierraville 1600 Comment
  UCD148603  Poa secunda G. F. Hrusa; J. Jokerst 1991-7-5 8551 -a Sierra Antelope Valley, Golden Dome. 1650 Comment
  UCD90237  Poa secunda E. B. Babcock; G. L. Stebbins Jr. 1936-6-3 1613 Sierra On highway 1.5 miles S of Sierraville. 1615 Comment
  CAS-BOT-BC247063  Poa secunda subsp. juncifolia Catherine Best 1980-6-13 s.n. Sierra Road to Sardine Lake Comment
  UCD92237  Poa secunda subsp. juncifolia Beecher Crampton 1957-7-24 4408 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  SEINET7856234  Poa secunda subsp. juncifolia P. B. Kennedy, S. B. Doten 1901-7-18 182 Sierra Mt. Lola Comment
  SEINET7857190  Poa secunda subsp. juncifolia W. D. Billings 1935-5-25 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC243206  Poa secunda subsp. secunda John Thomas Howell; Gordon H. True 1970-7-14 5506 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  CHSC110228  Poa secunda subsp. secunda L. P. Janeway 2012-6-24 10901 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
  CHSC44585  Poa secunda subsp. secunda Lowell Ahart 1977-8-2 1511 Sierra Near the road to the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1828 Comment
  CHSC44586  Poa secunda subsp. secunda Lowell Ahart 1978-9-26 1810 Sierra Cliff that is found along the stream that drains the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1950 Comment
  JEPS87483  Poa secunda subsp. secunda Lowell Ahart 1993-9-10 7185 Sierra ca 1 mi sw of dirt rd from Gibsonville to Johnsville (n side of Mt Fillmore, w side and near end of dirt rd that leads to a camp and stream) 2133 Comment
  UC593543  Poa secunda subsp. secunda E. B. Babcock and G. L. Stebbins 1936-6-3 1626 Sierra ca 3 1/2 mi ne Sierraville (on rd to Loyalton, Newman Point); se edge Sierra Valley 1600 Comment
  CAS-BOT-BC244173  Poa trivialis Catherine Best 1984-6-20 1024 Sierra Herringtons, Sierra City Comment
  SEINET7249321  Poaceae George K. Helmkamp, Elizabeth Helmkamp 2013-1 Sierra Comment
  CHSC61794  Polemonium californicum Lowell Ahart 1993-9-10 7214 Sierra On a ridge, on the west side of Mount Fillmore, about 1 1/2 miles south of the dirt road from Gibsonville to Johnsville. 2286 Comment
  CHSC73424  Polemonium californicum B. Castro; L. Gehrung, H. Durio 1995-9-14 613 Sierra Mt. Fillmore Mdws. 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 terrace of mtn, feeding Pearson Ravine via springs and cascades. Around outer edges of all 4 meadows. 2103 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
  SEINET13762924  Polemonium californicum P. B. Kennedy 1901-7-2 86 Sierra On little Truckee 1 mile east of Webber Lake Comment
  SEINET13762969  Polemonium californicum P. B. Kennedy 1901-7-2 86 Sierra On little Truckee 1 mile east of Webber Lake Comment
  JEPS69906  Polemonium micranthum John Gill Lemmon 1875-1 Sierra Sierra Valley 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
  CAS-BOT-BC231290  Polemonium pulcherrimum H. Albert Barker 1926-7-2 9 Sierra Packer Lake Creek 1981 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
  UCD109717  Polygala cornuta P. B. Schultz 1967-6-30 25 Sierra State Highway 49 at Goodyears Bar turnoff. 833 Comment
  CAS-BOT-BC170322  Polygala cornuta var. cornuta Forest Sheehan 1970-7-20 s.n. Sierra Near Scales. 1371 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
  SJSU15109  Polygonum argyrocoleon N. A. Hopkins 1992-7-21 1712 Sierra Knudson Meadow N of Carman Cr Comment
  UC570302  Polygonum aviculare subsp. buxiforme H. S. Yates 1935-6-28 5270 Sierra 5 1/4 miles northeast of Sattley 1493 Comment
  CAS-BOT-BC414579  Polygonum douglasii Lewis S. Rose 1934-7-15 34371 Sierra Gold Lake 1950 Comment
  CHSC105784  Polygonum douglasii subsp. douglasii Lowell Ahart 2010-9-15 17165 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
  CHSC37205  Polygonum douglasii subsp. douglasii L. Ahart 1982-7-28 3721 Sierra Along edge of dirt rd n of the Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC45464  Polygonum douglasii subsp. douglasii Lowell Ahart 1975-8-17 954 Sierra On a gravel bar in Jones Valley, about 3 miles west and 2 miles south of Webber Lake. 2286 Comment
  CHSC54582  Polygonum douglasii subsp. douglasii Lowell Ahart 1991-7-22 6678 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  CHSC61926  Polygonum douglasii subsp. douglasii Lowell Ahart 1993-9-24 7246 Sierra On dry to damp dark soil around a small drying meadow, on both sides of the meadow are red rock outcrops, 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. 2133 Comment
  CHSC92037  Polygonum douglasii subsp. douglasii Lowell Ahart 2005-8-30 12361 Sierra East of Pass Creek, about 100 yards southeast of the falls on Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2073 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
  UC585245  Polygonum douglasii subsp. spergulariiforme E. B. Babcock, G. L. Stebbins Jr. 1936-6-5 1706 Sierra about 3 1/2 mi ne Sierraville (on road to Loyalton, se edge of valley); Sierra Valley, Newman Point 1600 Comment
  RSA466403  Polygonum kelloggii Fay A. MacFadden 1934-6-29 12542 Sierra Little Truckee River Comment
  CAS-BOT-BC418548  Polygonum minimum Lewis S. Rose 1934-7-20 34392 Sierra Gold Lake 1950 Comment
  CHSC45468  Polygonum minimum Lowell Ahart 1983-10-27 4475 Sierra In a disturbed area near a dirt road that is about 2 miles south-east of Jackson Meadows Reservoir. 2011 Comment
  SEINET8917370  Polygonum minimum W. Harnach 2013-7-27 1377 Sierra Along Meadow Lake Road (S of Webber Lake), 3.25 miles S of Jackson Meadows Road. 2173 Comment
  SEINET10937595  Polygonum minimum Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4475 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
  JEPS83274  Polygonum polygaloides subsp. confertiflorum J. D. Jokerst 1985-7-22 2522 Sierra 1.5 mi nne of Calpine (w edge of Sierra Valley, 1/2 mi w of Westside Road); Sierra Valley 1524 Comment
  UC585243  Polygonum polygaloides subsp. confertiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1652 Sierra about 5 mi n Sattley; Sierra Valley Comment
  UCR242988  Polygonum polygaloides subsp. confertiflorum Ayzik Solomeshch 2009-6-8 s.n. Sierra Sierra Valley, Roen Ranch, along Westside Road, c. 2 km north of intersection of Westside Road and Calpine Rd., [then] c. 1 km east of Westside Road 1493 Comment
  CDA11846  Polygonum polygaloides subsp. esotericum G. F. Hrusa, E. Sandoval 1993-5-3 11160 Sierra Sierra Valley; Flats at E base of Golden Dome, E side of Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). 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
  CAS-BOT-BC419915  Polygonum polygaloides subsp. kelloggii John Thomas Howell; Gordon H. True 1969-6-25 45851 Sierra 3 miles north of Bassetts on road to Gold Lake 1950 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
  JEPS51285  Polygonum polygaloides subsp. kelloggii J. G. Lemmon 1869-1 481 Sierra near Webber Lake Comment
  CHSC45477  Polygonum shastense Lowell Ahart 1969-9-21 33 Sierra Growing on dry stony mountain ridges, about 1 mile west of Jones Valley, about 3 miles west and 2 miles east of Webber Lake. 2438 Comment
  CHSC56866  Polygonum shastense L. P. Janeway; Garrett Gibson 1991-8-16 4140 Sierra Plumas National Forest. Beckwourth Ranger District. Haskell Compartment. Northeast side of top of ridge between Mills Peak and Mohawk Gap; ca 1 1/4 mi southeast of Mills Peak. 2237 Comment
  JEPS50592  Polygonum shastense J. G. Lemmon 1872-2 222 Sierra Webber Peak Comment
  UC173664  Polygonum shastense J. G. Lemmon 1875-1 Sierra Comment
  CAS-BOT-BC421061  Polygonum spergulariiforme W. R. Dudley 1909-8-25 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC421056  Polygonum spergulariiforme Margaret Williams 1976-8-29 76 -106 Sierra Road from Dog Valley Summit to Hobart Mills, turn to Verdi Peak. 1828 Comment
  UCR230726  Polystichum imbricans George K. Helmkamp, E. A. Helmkamp 2011-6-9 17549 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
  SEINET11718419  Polystichum imbricans F. H. Utech 1986-1 86 -076 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  UCD40146  Polystichum imbricans subsp. imbricans Rodney Gale Myatt 1971-7-3 1546 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 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
  JEPS124079  Polystichum munitum Lowell Ahart 2015-5-9 20154 Sierra About one mile west of Highway 49, about 2 mile west of Indian Valley. Comment
  SBBG120353  Populus balsamifera subsp. trichocarpa D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16750 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 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
  CAS-BOT-BC105520  Populus trichocarpa Lowell Ahart 1981-6-23 2879 Sierra Bottom of Wallace Creek, right along the edge of the dirt road, about 4 miles northeast of La Porte. 1700 Comment
  JEPS4931  Porterella carnosula Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4274 Sierra just 1 mi e Calpine (Sierra Valley, eastern Sierra County); Sierra Valley 1493 Comment
  UC67093  Porterella carnosula P. B. Kennedy 1901-7-18 168 Sierra meadow near Webber Lake; near Webber Lake 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
  CAS-BOT-BC452087  Potamogeton alpinus W. R. Dudley 1894-8-1 s.n. Sierra In Webber Lake Comment
  CAS-BOT-BC452103  Potamogeton amplifolius W. R. Dudley 1894-8-1 s.n. Sierra In Webber Lake Comment
  CAS-BOT-BC453747  Potamogeton natans W. R. Dudley No date on label s.n. Sierra In Webber Lake Comment
  POM148087  Potentilla glandulosa subsp. ashlandica George Haley 1927-8-6 s.n. Sierra Weber Lake. Comment
  RSA7886  Potentilla glandulosa subsp. ashlandica H. A. Barker 1927-7-23 828 Sierra Gold Lake 1982 Comment
  RSA8077  Potentilla glandulosa subsp. ashlandica H. A. Barker 1927-6-28 750 Sierra Gold Lake. 1954 Comment
  UCD35538  Potentilla gracilis Beecher Crampton 1957-7-24 4413 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  SEINET10684870  Potentilla gracilis var. fastigiata Karen M. Meyer, Andrew Townesmith 2007-7-15 Meyer 114 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  SEINET6637691  Potentilla gracilis var. fastigiata W. Harnach, N. Harnach 2000-7-9 949 Sierra Chapman Saddle road, 1.4 mile east of intersection of Lunch Creek road. 2027 Comment
  CAS-BOT-BC541006  Potentilla gracilis var. fastigiata Gordon H. True 1984-6-19 3092 Sierra Open meadow in Sierra Valley, 1 mile north of Sattley 1493 Comment
  CAS-BOT-BC541010  Potentilla gracilis var. fastigiata Lewis S. Rose 1934-7-19 34387 Sierra Meadow; Gold Lake 1950 Comment
  CAS-BOT-BC541011  Potentilla gracilis var. fastigiata George Haley 1927-8-6 s. n. Sierra Webber Lake Comment
  CAS-BOT-BC541015  Potentilla gracilis var. fastigiata Alice Eastwood 1918-6-29 7892 Sierra Loyalton Comment
  SEINET6637151  Potentilla gracilis var. fastigiata S. B. Doten 1901-7-12 155 Sierra [Sierra Nevada] Webber Lake Comment
  CAS-BOT-BC158513  Potentilla millefolia D. E. Breedlove 1962-6-13 3499 Sierra Along State Highway 89, 4.2 miles north of Sierraville 1524 Comment
  CHSC81050  Potentilla rivalis Lowell Ahart 2001-8-10 9073 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
  SEINET13711465  Potentilla rivalis Lowell William Ahart, Lowell William Ahart 2001-1 9073 Sierra Stampede Reservoir, 1.25 Mi. NW of Stampede Reservoir Dam (T19N, R17E, sec 17, SW 1/4) 5940 Ft. 1811 Comment
  CHSC91648  Poteridium annuum G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16300 Sierra Northern Sierra Nevada. Sierra Valley. Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. In bottom of drainage. 1645 Comment
  LA42726  Primula suffrutescens A. Lewis; 1934-7-16 514 Sierra 0.75 mi. SW of Wades Lake 2133 Comment
  CAS-BOT-BC159733  Prunus andersonii Ella Dales Cantelow 1942-5-12 3608 Sierra Hy 89, E. of Checking Station coming into Cal. from Nevada over Beckwourth Pass Comment
  RSA7939  Prunus emarginata H. A. Barker 1926-7-25 s.n. Sierra West side of Gold Lake 1982 Comment
  RSA232256  Prunus subcordata James Henrickson 1969-5-25 3433 Sierra ca. 50 miles east of Reno, 1/2 mile west of Loganville, 2 miles west of Sierra City along North Yuba River. 1159 Comment
  UC1128492  Prunus subcordata A. Lewis 1934-8-5 522 Sierra Loganville 1310 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
  CHSC115314  Prunus virginiana var. demissa Lowell Ahart 2015-5-9 20172 Sierra On the south side of the Canyon Creek Trail, trail on the north side of the Canyon Creek Trail, trail on the north side of the North Fork of the Yuba River, about 300 yards west of Highway 49, about one mile west of Indian Valley. 692 Comment
  JEPS124554 Image available Prunus virginiana var. demissa Dixie Funnell 1965-6-29 51 Sierra Union flat campground, off highway 4. Comment
  JEPS124555 Image available Prunus virginiana var. demissa J. Yamanaka 1965-6-29 40 Sierra Union Flat Campground. Comment
  JEPS124556 Image available Prunus virginiana var. demissa P. L. Billings 1965-6-29 129 Sierra Union Flat Campground off HWY 89 south of Downieville. Comment
  SEINET7412839  Prunus virginiana var. demissa K. S. Bradshaw 1942-5-20 KB 402 Sierra 3 miles southwest of Purdy, Old Trosi Ranch 1676 Comment
  CAS-BOT-BC357399  Pseudognaphalium microcephalum John Thomas Howell 1951-8-21 28240 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  UCD40149  Pseudognaphalium thermale Rodney Gale Myatt 1971-7-3 1559 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  SEINET8849724  Pseudostellaria jamesiana W. Harnach, N. Harnach 1990-6-6 338 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  SEINET8849871  Pseudostellaria jamesiana W. Harnach, N. Harnach 1990-6-30 455 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  SJSU9124  Pseudostellaria jamesiana H. L. Buckalew 1964-7-16 Sierra Yuba Pass 2316 Comment
  NY63877  Pseudotsuga menziesii var. menziesii J. G. Lemmon 1874-1 s.n. Sierra "Sierra Co. &c." Comment
  CDA18122  Psilocarphus brevissimus var. brevissimus G. D. Barbe, T. C. Fuller 1973-6-19 1623 Sierra Tahoe National Forest; Hoke Valley, N of Stampede Reservoir (Nevada Co. line), on Stampede Reservoir Rd. 9.75 miles (15.7 km.) N of Interstate Hwy 80 at Boca. 1828 Comment
  UCR206988  Psilocarphus tenellus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14844 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.6 miles north of the Yuba County line 902 Comment
  CAS-BOT-BC453559  Pterospora andromedea Javier Penalosa 1962-6-20 2523 Sierra Little Truckee River at Hwy. 89. 1905 Comment
  CAS-BOT-BC460545  Pterospora andromedea Mrs. E. C. Sutliffe 1920-9-1 s.n. Sierra Salmon Lake 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
  CAS-BOT-BC460540  Pterospora andromedea W. R. Dudley 1894-9-1 s.n. Sierra Lake of the Woods Comment
  RSA7942  Pteryxia terebinthina var. californica H. A. Barker 1927-7-23 833 Sierra Gold Lake 1982 Comment
  SEINET7464476  Purshia tridentata W. Harnach, N. Harnach 1991-6-15 544 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch (home) 1503 Comment
  SEINET7466746  Purshia tridentata P. A. Lehenbauer 1937-6-8 54 Sierra 25 miles west of Reno, NV, on Truckee River, at Iceland, south side of river by falls 1676 Comment
  CAS-BOT-BC147887  Purshia tridentata var. tridentata Alice Eastwood 1918-6-29 7871 Sierra Loyalton Comment
  JEPS18592  Purshia tridentata var. tridentata L. S. Smith 1932-4-24 Sierra e of Loyalton Comment
  UC1093145  Purshia tridentata var. tridentata E. C. Nord 1957-8-20 78 Sierra 4 mi ene Hobart Mills; Tahoe National Forest 2286 Comment
  SBBG50277  Pyrola asarifolia L. S. Mott 1965-8-8 Sierra Packer Lake Comment
  SEINET7246456  Pyrola asarifolia W. Harnach, N. Harnach 1991-7-4 612 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (the fenced bog hole) 1512 Comment
  CAS-BOT-BC465501  Pyrola asarifolia Lillian S. Mott 1965-8-8 LM 6559 Sierra Packer Lake Comment
  CHSC44003  Pyrola asarifolia subsp. asarifolia L. P. Janeway 1984-8-24 1086 Sierra At the lake just SW of Snag lake. 2026 Comment
  CHSC53043  Pyrola dentata L. P. Janeway 1989-8-22 3621 Sierra Plumas National Forest. Northeast flank of ridge ca 3 mi E of Haskell Pk; near head of Sulphur Cr. 2164 Comment
  CHSC10603  Pyrola picta Lowell Ahart 1968-7-12 Sierra Vicinity of Sierra and Yuba County line. Near Poverty, 10 miles from La Porte. 914 Comment
  UC334229  Pyrola picta J. G. Lemmon Sierra along the Sierra, Webber Lake Webber Lake; Sierra, Webber Lake Comment
  SJSU11960  Pyrola picta N. A. Hopkins 1974-8-5 596 Sierra near Deer L Trail N of Packer L 1828 Comment
  CAS-BOT-BC328153  Pyrrocoma lucida John Thomas Howell 1951-8-21 28239 Sierra Sierra-Plumas County line on road form Blaisden to Calpine, Sierra Nevada 1524 Comment
  UCD133729  Pyrrocoma racemosa Beecher Crampton 1957-7-24 4414 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  CHSC110872  Quercus chrysolepis Tim Hanson 2013-9-3 6 Sierra Northern High Sierra Nevada. On the south facing slope of Slate Creek canyon approximately 6 air km northeast of La Porte. 1560 Comment
  CHSC67225  Quercus chrysolepis James D. Jokerst 1991-7-1 3323 Sierra Golden Dome Mine Project Site in the S end of Antelope Valley, E of Sierra Valley, E flank of the 'Astrodome'. Comment
  JEPS120551  Quercus chrysolepis Tim Hanson 2013-9-3 6 Sierra Northern High Sierra Nevada. On south facing slope of Slate Creek canyon approximately 6 air km northeast of La Porte. 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
  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
  JEPS124672 Image available Quercus kelloggii C. L. Kline 1965-6-29 110 a Sierra 2.9 mi East of Goodyear Bar, HWY 49. Comment
  CAS-BOT-BC104612  Quercus vacciniifolia George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  RSA135952  Quercus vacciniifolia Arthur R. Kruckeberg 1954-8-2 3676 Sierra Along shores of Tamarack Lake 2 mi. e. of Sierra Buttes. Tahoe National Forest. 2287 Comment
  UC338646  Quercus vacciniifolia unknown 1880-1 Sierra Meadow Lake 2438 Comment
  JEPS87651  Raillardella argentea Lowell Ahart 1994-7-1 7436 Sierra n side of Henness Pass Rd e Keystone Mountain (about 1 1/2 mi ne of Middlewaters, about 11 air mi ne of Alleghany); Keystone Gap 2011 Comment
  CHSC57268  Raillardella scaposa L. P. Janeway 1984-8-11 978 Sierra Northwest of Sierra Buttes. 2316 Comment
  CAS-BOT-BC379452  Ranunculus alismifolius Catherine Best 1980-6-12 s.n. Sierra Webber Lake Comment
  CHSC73428  Ranunculus alismifolius var. alismellus B. Castro; L. Gehrung, H. Durio 1995-9-14 636 Sierra Mt. Fillmore Mdws: Mdw 1. 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. 2103 Comment
  SEINET5338263  Ranunculus alismifolius var. alismellus C. G. Gulling 1905-1 1202 Sierra Sierra Valley Comment
  RSA8014  Ranunculus alismifolius var. hartwegii H. A. Barker 1927-6-22 721 Sierra Gold Lake. 1954 Comment
  CAS-BOT-BC379218  Ranunculus aquatilis John Thomas Howell 1962-6-18 37837 Sierra Sattley 1524 Comment
  SEINET5338701  Ranunculus glaberrimus var. glaberrimus P. A. Lehenbauer 1924-3-15 572 Sierra Balls Canyon- NW of Reno. Comment
  SEINET5338814  Ranunculus occidentalis P. A. Lehenbauer 1935-5-21 s.n. Sierra Balls Canyon. 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
  SEINET8700106  Ranunculus occidentalis var. occidentalis P. B. Kennedy, S. B. Doten 1901-7-8 107 Sierra [Sierra Nevada] Near Webber Lake, Falls below lake. Comment
  SEINET5338864  Ranunculus populago M. Demorest 1962-5-9 64 Sierra Dog Valley, on valley floor in swampy meadow, north of road. 1829 Comment
  HSC93320  Rhamnus alnifolia Vernon H. Oswald, L. Ahart 1996-8-19 8239 Sierra S side of Little Truckee River Bridge on the rd. to Independence Lake, S of USFS Rd. 07, 1.0 mi. W of Hwy. 89 1951 Comment
  RSA21682  Rhamnus rubra Carl B. Wolf 1937-8-6 9042 Sierra Northern Sierra Nevada, No. fork of Yuba River, 2.5 mi. above Downieville. 976 Comment
  SDSU10372  Rhamnus rubra D. F. Howe 1964-7-28 3876 Sierra 5.5 miles S of Gold Lake Lodge, Tahoe National Forest. 1829 Comment
  POM161792  Rhamnus rubra subsp. obtusissima R. C. Bacigalupi 1927-7-4 121 Sierra slopes above N Fork of the Yuba river, 2 miles W of Yuba Pass. 2073 Comment
  CAS-BOT-BC56587  Rhododendron columbianum Mrs. E. C. Sutliffe 1918-7-1 56 Sierra Salmon Lake Comment
  CAS-BOT-BC56588  Rhododendron columbianum R. F. Thorne; C. W. Tilforth 1969-9-6 39207 Sierra of Goose Lake, SE of Gold Lake 1950 Comment
  CHSC43518  Rhododendron neoglandulosum Lowell Ahart 1977-6-18 1430 Sierra Near a bog east of Port Wine Ridge Road, about 2 miles north-east of Scales. 1280 Comment
  CAS-BOT-BC56659  Rhododendron occidentale Alice Eastwood 1918-4-6 6779 Sierra Downieville Comment
  JEPS78166  Rhododendron occidentale Gary W. Zamzow 1972-6-27 33 Sierra 10 m w of Bath House (2 mi from Hwy 49 down Sardine Lake Road at Sand Pond); Sand Pond 1828 Comment
  CAS-BOT-BC108759  Ribes cereum Gordon H. True 1967-7-31 3673 Sierra Verdi Peak Road ca. 1.5 mile below summit. 2438 Comment
  CAS-BOT-BC108764  Ribes cereum H. Albert Barker 1926-7-31 162 Sierra Haskel Peak. 2529 Comment
  HSC103204  Ribes cereum var. cereum Jade Paget-Seekins 2010-7-16 46 Sierra On the border of Tahoe and Plumas National Forests near Haskell Peak and Forest Route 28. 2239 Comment
  SEINET5733208 Image available Ribes cruentum Johnny O. Johnson 1974-1 52 Sierra State Highway 49, 7 miles east of Downieville.; Downieville 1219 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-BC219258  Ribes nevadense Jean L. Pawek 1956-5-22 57 Sierra Highway 49, just above Sierra City 1219 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
  SJSU14467  Ribes nevadense N. A. Hopkins 1990-8-21 1629 Sierra c. 1.5 mi SSW of Calpine 1554 Comment
  UC496458  Ribes nevadense Merle Randall 1930-6-26 Sierra Falls, Hawley Grade Lake Tahoe Region Comment
  RSA0023147  Ribes nevadense Robert F. Thorne 1974-7-30 45025 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes area. 2058 Comment
  SEINET5777033  Ribes roezlii W. Harnach, Nancy Harnach 1990-5-13 312 Sierra Approx 0.5 miles S of Sattley, Martinetti Ranch 1518 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
  SJSU4162  Ribes velutinum C. W. Sharsmith & W. Savage 1967-5-20 7524 Sierra 3 mi W of Loyalton, Sierra Valley 1524 Comment
  SEINET12220403  Ribes velutinum J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  CAS-BOT-BC168787  Ribes viscosissimum H. Albert Barker 1926-7-8 92 Sierra Gold Lake Ridge, Squaw Lake 2042 Comment
  SEINET12220408  Ribes viscosissimum J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  SJSU9812  Rigiopappus leptocladus C. W. Sharsmith 1982-5-30 8663 Sierra 2 mi N of Sattley on Sattley-Beckwourth Rd, Sierra Valley 1524 Comment
  UC354488  Rigiopappus leptocladus David D. Keck 1928-6-13 430 Sierra Newman Point Sierra Valley 1500 Comment
  UCD115245  Rorippa austriaca Arthur M. Shapiro 1989-6-3 s.n. Sierra 2.5 km ENE of Sierraville. Comment
  CAS-BOT-BC74664  Rorippa curvisiliqua W. R. Dudley 1909-8-29 s.n. Sierra Icehouse Pond, Sierra Valley. Comment
  CAS-BOT-BC74665  Rorippa curvisiliqua John Thomas Howell 1969-9-13 46109 Sierra Sierra Nevada. Little Truckee River near outlet of Webber Lake. 2042 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
  UCD84129  Rorippa curvisiliqua Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  JEPS99058  Rosa gymnocarpa Lowell Ahart 2002-6-13 9717 Sierra On the south side of the dirt road to Harris Meadow, about 0.6 mile NE 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) NE of Alleghany. 1696 Comment
  CDA18040  Rosa woodsii B. Villegas 1999-7-8 s.n. Sierra Dog Valley Rd., 1.2 miles from Bordertown. 0 Comment
  CAS-BOT-BC148264  Rosa woodsii var. ultramontana W. R. Dudley 1909-8-26 s.n. Sierra Near Hot Springs, Sierra Valley Comment
  SEINET10483103  Rosa woodsii var. ultramontana Heidi H. Schmidt 1993-6-13 Schmidt 850 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Sagebrush flats, meadow. 1650 Comment
  UCR206327  Rubus glaucifolius George K. Helmkamp, E. A. Helmkamp 2009-5-28 14860 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  UCD17663  Rubus leucodermis H. Olmo; R. Bammi 1963-9-12 63 30 Sierra California. Sierra County: U.S. Forest Service Wild Plum Park near Sierra City. Comment
  SEINET7707123  Rubus parviflorus W. Harnach, N. Harnach 1991-7-24 659 Sierra Sierra Valley, Calpine reservior, about 1.5 miles West of Calpine 1585 Comment
  UC66115  Rubus parviflorus P. B. Kennedy 1901-7-19 191 Sierra Canyon w Lincoln Valley; Canyon w of Lincoln Valley Comment
  SJSU10636  Rumex acetosella M. D. Fleschner 1965-6-29 Sierra Hwy 49, 1 mi W of Downieville 914 Comment
  UCD101032  Rumex acetosella N. Hopkins Date Unknown 919 Sierra Ditch by Gold Lk. Rd. 1828 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
  CAS-BOT-BC434322  Rumex triangulivalvis John Thomas Howell 1955-7-20 30878 Sierra Near Calpine 1508 Comment
  SEINET8917201  Sagittaria cuneata W. Harnach 2013-7-27 1374 Sierra Along Meadow Lake Road (S of Webber Lake), 3.25 miles S of Jackson Meadows Road. 2164 Comment
  UC965634  Sagittaria cuneata Herbert L. Mason 1952-7-17 14373 Sierra on Highway 89, 0.4 mi s Little Truckee River; Sierra Nevada, s of Little Truckee River 1920 Comment
  CAS-BOT-BC445720  Sagittaria latifolia Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Lusk Meadows Comment
  CAS-BOT-BC102843  Salix boothii L. S. Smith 1932-5-25 2660 Sierra Tahoe National Forest, Babbit Spring, Jones Valley 2286 Comment
  RSA772430  Salix breweri L. Ahart 2010-9-15 17172 Sierra North edge of the first pond, South side of the road and west of the cabin, At the spring, about 2.75 air miles north of Yuba Pass on Hwy 49, about 4 air miles east of Haskell Peak 2135 Comment
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Jul 22 2018
  CAS-BOT-BC103639  Salix eastwoodiae W. R. Dudley 1900-6-21 5474 Sierra Webber Lake to Sierraville Comment
  CAS-BOT-BC103646  Salix eastwoodiae W. R. Dudley 1900-6-21 5406 Sierra north end of Webber Lake Comment
  CAS-BOT-BC103653  Salix eastwoodiae Mrs. E. C. Sutliffe 1918-6-1 s.n. Sierra Salmon Lake 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
  CHSC69899  Salix eastwoodiae L. P. Janeway; Eric Schroder 1997-8-13 5324 Sierra Hawley Meadow, at head of Pauley Creek; about 2.5 mi west of Gold Lake. 2029 Comment
  RSA286283  Salix eastwoodiae Robert F. Thorne 1974-7-30 45047 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  UCD110822  Salix eastwoodiae Frederica Bowcutt 1994-7-22 1947 Sierra Sierra Nevada Mtns., Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  CAS-BOT-BC103759  Salix exigua D. E. Breedlove 1962-6-13 3521 Sierra along the Little Truckee River, 10.0 miles south of Sierraville on State Highway 89; Sierra Nevada 1950 Comment
  CAS-BOT-BC125434  Salix lasiandra var. lasiandra John Thomas Howell 1969-9-13 46107 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CAS-BOT-BC125437  Salix lasiandra var. lasiandra G. Earle Kelley 1919-1-1 s.n. Sierra Salmon Lake Comment
  JEPS117457  Salix lasiandra var. lasiandra Lowell Ahart 2010-9-15 17173 Sierra Along stream and north 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
  SJSU10095  Salix lasiandra var. lasiandra H. T. Shishido 1961-5-20 Sierra confluence Milton Cr & Haypress Cr 1 mi SE of Sierra City 1249 Comment
  SEINET10395641  Salix lasiolepis C. Bell 1962-5-9 39 Sierra Left of Old Verdi Road SE of Verdi, ca 1.5 miles out on road. 1524 Comment
  CAS-BOT-BC124527  Salix lasiolepis var. lasiolepis Alice Eastwood 1918-4-6 6761 Sierra Downieville Comment
  CAS-BOT-BC124879  Salix lemmonii W. R. Dudley 1900-6-20 5418 Sierra West side of Webber Lake Comment
  CAS-BOT-BC124889  Salix lemmonii W. R. Dudley 1900-6-12 5523 Sierra by bridge over Little Truckee River on Sierraville Road Comment
  CAS-BOT-BC124891  Salix lemmonii W. R. Dudley 1900-6-20 5284 Sierra west of Independence Hotel Comment
  CHSC69906  Salix lemmonii L. P. Janeway; Eric Schroder 1997-8-13 5326 Sierra Hawley Meadow, at head of Pauley Creek; about 2.5 mi west of Gold Lake. Tahoe National Forest - meadow AQB6450. 2029 Comment
  CHSC9579  Salix lemmonii E. L. Smith 1971-4-29 953 Sierra Se end of Sierra Valley on Hwy 89 near Sierraville. 1508 Comment
  RSA502887  Salix lemmonii G. H. True 1971-9-7 7040 Sierra Cold Stream Canyon. Ca 3.5 miles S of Perazzo Meadows. 2378 Comment
  UC501408  Salix lemmonii L. S. Smith 1932-5-25 2662 Sierra along stream from Babbit Srping; Tahoe Forest 2255 Comment
  SEINET10412691  Salix lemmonii S. B. Doten 1901-7-2 78 Sierra Webber Lake. Comment
  CAS-BOT-BC125114  Salix ligulifolia W. R. Dudley 1900-6-21 5470 Sierra Webber Lake to Sierraville by trail at head of Sawmill [Canon] Canyon Comment
  CHSC105680  Salix lucida subsp. lasiandra Lowell Ahart 2010-9-15 17173 Sierra Along stream and north 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
  CHSC43892  Salix lucida subsp. lasiandra L. P. Janeway 1984-8-25 1075 Sierra Snag Lake. 2026 Comment
  CHSC63170  Salix lucida subsp. lasiandra Lowell Ahart 1994-7-1 7440 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
  CHSC69910  Salix lucida subsp. lasiandra L. P. Janeway; Eric Schroder 1997-8-20 5357 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. 2042 Comment
  UC1776656  Salix prolixa G. Schoolcraft 1998-7-30 2792 Sierra Bassetts' Bridge S. of Hwy 49 1645 Comment
  CAS-BOT-BC126139  Salix scouleriana Peter H. Raven 1964-6-30 19607 Sierra 3.8 miles west of [Satley] Sattley on State Highway 49 Comment
  RSA176571  Salix scouleriana Peter H. Raven 1964-6-30 19607 Sierra 3.8 miles W of Satley on State Hwy 19. Comment
  JEPS113946  Salvia aethiopis W. and N. Harnach 2000-6-14 906 Sierra Sierra Valley North of the sawmill in Loyalton, CA. Comment
  CHSC45530  Sambucus mexicana L. P. Janeway 1984-8-18 1003 Sierra At edge of large glaciated granite outcropping near second switchback (towards southeast) down form Packers Saddle. 1981 Comment
  CHSC53037  Sambucus mexicana L. P. Janeway 1989-8-22 3626 Sierra Midslope, NE-facing, between ridge and Hwy 89; near Sulphur Cr, ca 3 mi I of Haskell Pk. 1920 Comment
  CAS-BOT-BC238873  Sambucus nigra subsp. caerulea H. Albert Barker 1926-7-16 234 Sierra Gold Lake - west side 1981 Comment
  CAS-BOT-BC236476  Sambucus racemosa subsp. racemosa Elmer I. Applegate 1921-9-7 3362 Sierra Gold Lake 1981 Comment
  CHSC57075  Sambucus racemosa var. microbotrys L. P. Janeway; Garrett Gibson 1991-7-22 4090 Sierra Plumas National Forest. Steep north-facing slope1/2 mi due east of Mohawk Gap (along road 21N31B). 2225 Comment
  SEINET10770917 Image available Sanguisorba annua Barbara J. Ertter 1987-6-12 Ertter 7093 Sierra Hwy 49 on E side Sierra Valley between Sierraville and Loyalton, S foot of Newman Point on Rice Hill, E side of road. T21N R14E. 1524 Comment
  CHSC94149  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
  UC334427  Sanicula graveolens J. G. Lemmon 875 Sierra between Loyalton and Purdy's Comment
  CHSC32064  Sanicula tracyi L. Ahart 1972-4-28 94 Sierra Near Slate Creek, 10 mi s of La Porte. 914 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
  CHSC69179  Saponaria officinalis Vernon H. Oswald; Lowell Ahart 1997-8-19 8836 Sierra Footes Crossing Rd. (County Rd. 191) on the north side of the Middle Fork of Yuba River, 5.3 mi southwest of Alleghany. Roadside. 1066 Comment
  JEPS51513  Saponaria officinalis W. L. Jepson 1934-7-30 16780 Sierra near Sierra City; near Sierra City Comment
  JEPS94403  Saponaria officinalis Vernon Oswald and Lowell Ahart 1997-8-19 8836 Sierra 5.3 mi sw of Alleghany (Footes Crossing Road (County Road 191) on the n side of the Middle Fork of Yuba River); Middle Fork of Yuba River, Footes Crossing Road 1066 Comment
  CAS-BOT-BC466229  Sarcodes sanguinea Miss Michener 1893-8-1 s.n. Sierra Unspecified Comment
  UCD117992  Sarcodes sanguinea James F. Arthur 1966-5-14 68 Sierra State Highway 49, 12 miles northeast of Sierra City, on Yuba Summit before entering Sierra Valley. 2133 Comment
  SEINET12217474  Saxifraga integrifolia J. G. Lemmon 1874-1 s.n. Sierra Sierra Co., &c Comment
  UC1368480  Saxifraga oregana R. K. Gierisch and D. H. Esplin 1969-6-25 3498 Sierra Anderson Meadow; Tahoe National Forest, Anderson Meadow 1950 Comment
  RSA0101557  Sceptridium multifidum Anonymous 1885-09 s.n. Sierra Near Downieville buttes. Comment
  SD134084  Schoenoplectus acutus Fred Sommers 1976-8-14 215 Sierra Sierra Valley Marsh, along Dyson Lane. In standing water in roadside ditch. 1524 Comment
  RSA366031  Scirpus congdonii L. S. Rose 1934-7-17 34383 Sierra West of Gold Lake 2134 Comment
  UC840932  Scirpus congdonii Lewis S. Rose 1934-7-17 34383 Sierra w Gold Lake; w of Gold Lake 2133 Comment
  CAS-BOT-BC111088  Scirpus microcarpus Gladys L. Smith 1959-6-19 1223 Sierra Lower Sardine Lake. 1828 Comment
  JEPS63959  Scirpus microcarpus W. L. Jepson 1918-8-18 8054 a Sierra Sierra Valley in front Lemmon place; Sierra Valley in front of J. G. Lemmon place 1524 Comment
  CDA11872  Scrophularia lanceolata G. F. Hrusa, J. Jokerst 1991-7-5 8533 A Sierra Sierra Valley Region; Antelope Valley. Comment
  UC1713621  Scutellaria californica O. H. Kappler 1946-7-20 1340 Sierra North Fork Yuba River 822 Comment
  SJSU12077  Scutellaria californica N. A. Hopkins 1975-7-24 689 Sierra Rosassco Ravine c. 1 mi W of Downieville 914 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
  SEINET10482969  Sedum Mary Susan Taylor 1981-7-17 Taylor 4049 Sierra T21N R12E ne sec 29, Sierra City NW quad. S side of Salmon Lakes Rd, just E of Upper Salmon Lake, ca. 9 air mi S of Mohawk. 6500 ft elev. 1981 Comment
  CHSC117695  Sedum obtusatum Peter F. Zika 2013-6-28 26267 Sierra Above road 301, 0.9 air km N of dam on Jackson Meadows Reservoir. Northern High Sierra Nevada. 1850 Comment
  CAS-BOT-BC64216  Sedum obtusatum subsp. obtusatum Gladys L. Smith 1959-6-20 1244 Sierra On road between Gold Lake and Feather River Highway. Plumas-Sierra County line. 1981 Comment
  UC1299448  Senecio aronicoides Freed W. Hoffman 1946-7-13 676 Sierra Yuba Pass summit Sierra Nevada Comment
  CHSC57269  Senecio fremontii var. fremontii L. P. Janeway 1984-9-15 1149 Sierra Slope above Tamarack Lake. 2194 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
  CDA11869  Senecio integerrimus var. exaltatus G. F. Hrusa, J. Jokerst 1991-7-5 8530 A Sierra Sierra Valley Region; Antelope Valley approx. 3 miles above Sierra Valley. Comment
  JEPS29721  Senecio integerrimus var. exaltatus Rimo Bacigalupi, and L. R. Heckard 1962-5-27 8477 A Sierra 2 mi s Sierraville (at edge of Sierra Valley); Sierra Valley 1615 Comment
  RSA718396  Senecio integerrimus var. major L. Ahart 2006-6-28 12866 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  UC585148  Senecio integerrimus var. major E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1680 Sierra e side Sierra Valley (on road to Loyalton) 1600 Comment
  HSC93205  Senecio scorzonella Vernon H. Oswald, L. Ahart 1996-8-19 8192 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12), just S of road to Lincoln Valley 2256 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
  CAS-BOT-BC364157  Senecio serra Mrs. H. C. Cantelow 1951-7-23 11 Sierra Hwy. 89, about 9 miles north of Hobart Mills Comment
  JEPS37282  Senecio serra var. serra W. L. Jepson 1896-8-26 Sierra w of Reno, Nevada; Dog Valley 1828 Comment
  UC53869  Senecio serra var. serra H. M. Hall and E. B. Babcock July 1903 4481 Sierra Sierraville Sierra Nevada Moutains, Sierraville 1524 Comment
  JEPS102636  Senecio streptanthifolius Lowell Ahart 2001-8-10 9101 Sierra Base of a steep bluff, ca 100 ft SW of the dam, diversion dam across the Little Truckee River (flows to Sierra Valley), ca 150 yds s of Fiberboard Road (Forest Road 18), ca 1/8 mi n of Henness Pass Road, ca 5 mi (air) e of Webber Lake. 1920 Comment
  CAS-BOT-BC364415  Senecio triangularis George Hale 1927-8-6 s.n. Sierra Webber Lake Comment
  JEPS107580  Senecio triangularis Lowell Ahart 2005-8-30 12338 Sierra On a gravel bar along 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
  JEPS17414  Senecio triangularis W. L. Jepson 1934-8-7 16782 Sierra Sierraville Cold Creek Comment
  JEPS85203  Senecio triangularis Roy E. Buck, Steven Lee, Eric Smith, Andrea Gargas, et al. 1986-8-3 552 Sierra ca 4.7 air km sse Yuba Pass (near watercourse in meadow, upper Lincoln Meadow complex); Lincoln Meadow 2225 Comment
  UC477569  Senecio triangularis Leland S. Smith 1931-8-3 2622 Sierra Yuba Pass Road Tahoe National Forest, Camp Pioneer (Camp Pioneer) Comment
  CHSC100119  Sericocarpus oregonensis L. P. Janeway 2008-9-8 9577 Sierra Northern High Sierra Nevada. Plumas National Forest; about half way down the southeast side of Port Wine Ridge to Canyon Creek; 3.1 air km southwest of Table Rock. 1603 Comment
  UC1557863  Sericocarpus oregonensis subsp. californicus J. Semple and S. Heard 1986-8-13 8411 Sierra 9.1 km e of, CA-49, w of Sierraville Downieville Post Office 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
  JEPS125757  Sidalcea glaucescens William Harnach 2013-6-8 1369 Sierra Dog Valley proper, Sierra County. Comment
  SEINET8584725  Sidalcea glaucescens W. Harnach 2013-6-8 1369 Sierra Dog Valley proper 1767 Comment
  SEINET8944346  Sidalcea glaucescens S. B. Doten 1901-7-2 76 Sierra [Sierra Nevada,] Webber Lake. Comment
  UCR257795  Sidalcea oregana subsp. oregana George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19452 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
  UC202839  Sidalcea oregana subsp. spicata J. A. De Cou 1900-8-7 466 Sierra Sierraville Comment
  SD50702  Sidalcea oregana subsp. spicata Darley F. Howe 1959-8-2 2778 Sierra 1.0 mile west of Yuba Pass. 1829 Comment
  SD102806  Sidalcea pedata Darley F. Howe 1978-7-16 Sierra Along state highway 89, 12.3 miles north of Truckee. 1920 Comment
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Feb 25 2011
  JEPS125660  Silene antirrhina William Harnach 2013-4-25 1315 Sierra 1.6 miles west of Goodyears Bar on Highway 49 and North of the Ramshorn campground. Comment
  JEPS102756  Silene bernardina Lowell Ahart 2001-8-10 9102 Sierra Base of a steep bluff, about 200 feet SW of diversion dam across Little Truckee River (water flows to Sierra Valley), about 150 yards south of Fiberboard Rd (Forest Rd 18), about 1/8 mi north of Henness Pass Rd, about 5 mi (air) east of Webber Lake. 1920 Comment
  SEINET10537665  Silene bernardina var. sierrae Lowell Ahart 1991-7-29 Ahart 6701 Sierra On the west side of Negro Creek, west of Burlington, about 1 mile northeast of Harris Meadow, about 1 1/4 miles northeast of Granite Mountain. Red Fir Forest. T19N R11E NS11. 1829 Comment
  CHSC20596  Silene douglasii Robert A. Schlising 1964-7-11 2736 Sierra Sierra Nevada. Gold Creek Road, NE of Sierra City, at campsite on Packer Lake Road. Comment
  CAS-BOT-BC387057  Silene douglasii Elmer I. Applegate 1923-8-18 3876 Sierra Dry, rocky crest of redshale Mountain, east side of Medicine Lake 2438 Comment
  SEINET8877480  Silene douglasii var. douglasii W. Harnach, N. Harnach 1993-7-11 734 Sierra Sierra Valley, on top of Lincoln Ridge, S of Yuba Pass, (W edge of project area). 2365 Comment
  SJSU4981  Silene douglasii var. douglasii N. A. Hopkins 1968-6-30 150 Sierra 0.25 mi N of Packer L 1859 Comment
  UCD98600  Silene douglasii var. douglasii N. Hopkins 1974-8-6 621 Sierra 0.25-0.5 mile W of Packer Lake. Comment
  CAS-BOT-BC388994  Silene laciniata subsp. californica Wm. Vortriede 1928-4-15 s.n. Sierra Downieville Comment
  RSA748321  Silene lemmonii K. M. Meyer, A. Townesmith 2007-7-17 128 Sierra Tahoe National Forest. 1 mile up road toward Lake of the Woods, off road 07. 2191 Comment
  CAS-BOT-BC389279  Silene lemmonii Gordon H. True 1966-4-28 2761 Sierra South Yuba River at head of Excelsior Ditch about 1 1/2 miles east of Hiway 49 bridge 579 Comment
  NY342633  Silene lemmonii J. G. Lemmon 1874-1 18 Sierra Comment
  SJSU11979  Silene lemmonii N. A. Hopkins 1979-7-9 964 Sierra c. 8 mi NW of Sattley 1524 Comment
  CAS-BOT-BC389540  Silene nuda Alice Eastwood 1918-6-29 7811 Sierra Loyalton Comment
  SEINET10733249  Silene nuda Andrew Townesmith, Karen M. Meyer 2007-7-16 Townesmith 819 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 5.7 miiles east of junction with county road 860. At pull out for Kyburz Marsh Wildlife Viewing Area. T19N R16E S8. 1931 Comment
  UC965626  Silene nuda Herbert L. Mason 1952-7-19 14452 Sierra at junction of Calpine with Sierraville-Beckwourth Road 1.5 mi e Calpine (Sierra Valley); Sierra Nevada, , e of Calpine 1524 Comment
  CAS-BOT-BC389615  Silene sargentii David W. Showers 1980-10-5 4443 Sierra On n to ne-facing slopes of Sierra Buttes (nw corner of sec 21), 1/2 mi sw of Mountain Mine Comment
  JEPS124526 Image available Sisymbrium altissimum Reinhard Jockel 1969-6-26 2 Sierra On roadside A23 (Beckwourth Calpine Rd.) 2 miles N of Sierra Co. line. Comment
  UC119650  Smilacina racemosa J. G. Lemmon 1874-1 Sierra Comment
  SBBG6660  Solanum parishii H. and M. Dearing 1939-5-9 3310 Sierra N fork Yuba River near Downieville 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
  CAS-BOT-BC364891  Solidago W. Harnach; N. Harnach 1990-7-30 490 Sierra Sierra Valley. Hamlin creek area 1569 Comment
  UCR257689  Solidago canadensis subsp. elongata George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19466 Sierra Northern Sierra Nevada Mountains, Little Truckee River valley along Hwy CA-89, 3.5 road miles north of the Nevada County line, 9.6 air miles SE (136 deg. ) of Sierraville 1878 Comment
  SEINET13709774  Solidago canadensis subsp. elongata Lowell William Ahart, Lowell William Ahart 2001-1 9105 Sierra Near Diversion Dam across Little Truckee River, Just S of Fiberboard Road (Fsr 18), 1/8 Mi. N of Henness Pass Rd., 5 Air Mi. E of Webber Lake (T19N, R15E, SW 1/4 sec. 15) 6300 Ft. 1920 Comment
  CAS-BOT-BC365546  Solidago elongata Catherine Best 1983-8-29 887 Sierra Along the road to Gold Lake 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
  JEPS32382  Solidago elongata W. L. Jepson 1934-8-3 16819 Sierra Pioneer road sta 2 mi e Bassetts road sta (North Fork Yuba River); North Fork Yuba River 1706 Comment
  UC54117  Solidago elongata H. M. Hall and E. B. Babcock July 1903 4480 Sierra Sierra Valley Sierra Nevada Mountains, Sierra Valley 1524 Comment
  CAS-BOT-BC365758  Solidago spectabilis James T. Vale 1980-9-23 s.n. Sierra Sierra Valley north of Sierraville (Hwy. 89) Comment
  UC194638  Solidago velutina subsp. californica unknown Aug 1874 Sierra Sierra Valley Comment
  CAS-BOT-BC157216  Sorbus californica Elmer I. Applegate 1921-9-7 3374 Sierra Gold Lake 1981 Comment
  UC1128687  Sorbus californica C. G. Albertus 1935-9-11 282 Sierra 1.05 mi sw of Sawmill; Tahoe National Forest 1981 Comment
  UC334404  Sorbus californica unknown Oct. 1890 Sierra Webber Lake Comment
  UCD94842  Sparganium emersum Gerald Dickinson 1963-6-19 8 Sierra 1.2 miles N of Sattley, Portola Road. 1676 Comment
  SCFS832  Sparganium emersum V. Hardham 1965-7-6 102 Sierra Sierra Valley, 1.4 mi from jct Hwy 89 and Beckworth Rd at Hattley 1524 Comment
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Feb 4 2014
  SD254517  Sparganium emersum subsp. emersum George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19472 Sierra Northern Sierra Nevada Mountains: Little Truckee River Valley along Hwy CA-89, 3.5 road miles north of the Nevada County line. 1878 Comment
  SCFS5080  Sparganium simplex Rechen 1964-7-1 92 Sierra 1 mile from Sattley North on Sattley-Beckworth Road off of Highway 89 Comment
  CAS-BOT-BC374769  Sphaeromeria potentilloides var. potentilloides Lemmon 1881-8-1 s.n. Sierra Sierra Val. Comment
  POM223307  Spiraea densiflora L. S. Rose 1934-7-13 34354 Sierra Gold Lake 1951 Comment
  RSA252502  Spiraea densiflora Robert F. Thorne, C. W. Tilforth 1969-9-6 39218 Sierra N margin of Gold Lake. 1951 Comment
  CHSC52953  Spiraea densiflora subsp. splendens L. P. Janeway 1989-8-10 3573 Sierra Plumas National Forest. NE'ern slopes between Haskell Pk and Hwy 89/Sulphur Cr. Meadow. 2194 Comment
  RSA96072  Spiraea densiflora var. splendens Percy C. Everett, E. K. Balls 1954-10-8 20252 Sierra E shore Gold Lake. N of Bassetts. Sierra Nevada. 2012 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
  CAS-BOT-BC152544  Spiraea splendens Lewis S. Rose 1934-7-13 34354 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC152547  Spiraea splendens George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  UCD114072  Spiraea splendens Geo Morrison 1930-7-20 s.n. Sierra Sierra City. 1 Comment
  HSC31081  Spiraea splendens var. splendens R. F. Thorne, C. W. Tilforth 1969-9-6 39209 Sierra Goose Lake, SE of Gold Lake 1951 Comment
  UCR257796  Spirodela polyrhiza George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19448 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
  RSA446595  Stachys ajugoides Britton, Robert W. Townsend 1939-8-24 137 Sierra North bank of Yuba River, 7 miles above Sierra City 1674 Comment
  CHSC47366  Stachys ajugoides var. rigida L. P. Janeway 1989-8-24 3639 Sierra Plumas National Forest. Along Sulphur Cr at crossing of east end of the Sulphur Loop Rd (rd 21N02), ca 1 mi below McNair Mdw. 1554 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
  RSA0109090  Stachys pycnantha Carl B. Wolf 1937-8-6 9053 Sierra Northern Sierra Nevada, North Fork of Yuba River, 5 miles above Downieville. 1067 Comment
  UC1609206  Stellaria calycantha Lowell Ahart 1993-9-10 7198 Sierra about 1 mi sw Gibsonville to Johnsville dirt road (on n side of Mount Fillmore, at end of poor dirt road, about 100 yds sw of the stream); Mount Fillmore 2133 Comment
  CAS-BOT-BC181390  Stellaria calycantha Lowell Ahart 1980-9-9 2599 Sierra Rocky gorge between the outlet of Webber Lake and Little Truckee River, Sierra Nevada 2200 Comment
  SEINET8884478  Stellaria longipes W. Harnach, N. Harnach 1990-6-6 337 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  CAS-BOT-BC391213  Stellaria longipes subsp. longipes George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC375574  Stephanomeria lactucina Margaret Williams; Arnold Tiehm 1974-8-17 74 -S-52 Sierra Verdi Ridge road 2133 Comment
  SEINET10508388  Stipa californica Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4468 Sierra Ca. 2 mi nw of Milton Reservoir, near Jackson Meadow Reservoir. Red Fir Forest; 2000 m. 2000 Comment
  SEINET8076875  Stipa exigua P. A. Lehenbauer 1937-6-8 57 Sierra 25 miles W of Reno, Nevada, on Truckee River at Iceland, S side of river, near falls. 1676 Comment
  HSC47825  Stipa occidentalis var. californica Michael A. Watkins 1978-9-20 133 Sierra Foothills of the Sierra Nevada Mtns., 10 mi. NW of Johnsville on property of the Cowell Mine Comment
  JEPS108764  Streptanthus polygaloides Lowell Ahart 2006-6-21 12807 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
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Jun 21 2014
  RSA718447  Streptanthus polygaloides L. Ahart 2006-6-21 12807 Sierra On the W side of the Foote Road, about 3.7 miles (by road) SW of Alleghany. 1094 Comment
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Jun 21 2014
  UC614608  Streptanthus polygaloides L. Constance 1938-6-8 2293 Sierra e-facing slope above North Fork of Yuba River (3.8 mi w of Downieville) 853 Comment
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Jun 21 2014
  JEPS124530 Image available Streptanthus polygaloides Reinhard Jockel 1969-6-27 10 Sierra Turnoff on highway 49. On serpentine near Goodyears Bars. Comment
  SJSU8351  Streptanthus polygaloides W. Savage 1965-7-29 441 Sierra 0.25 mi N of Goodyears Bar at junction with State Hwy 49 833 Comment
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Jun 21 2014
  UCD116041  Streptanthus polygaloides Lowell Ahart 1973-5-25 237 Sierra east of the Foote Road, about 2.5 miles southwest of Alleghany. 914 Comment
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Jun 21 2014
  SEINET8665925  Streptanthus purpureus W. Harnach 2013-4-25 1314 Sierra 1.6 miles W of Goodyears Bar on Hwy 49, N of the Ramshorn campground. 872 Comment
  CAS-BOT-BC87830  Streptanthus tortuosus John Thomas Howell; Gordon H. True 1969-6-25 45850 Sierra Sierra Nevada. 3 miles north of Bassetts on road to Gold Lake. 1950 Comment
  UC495573  Streptanthus tortuosus Merle Randall 1930-6-26 Sierra Falls Lake Tahoe Region, Hawley Grade Comment
  SEINET12010003  Streptanthus tortuosus F. H. Utech 1990-6-5 90 -885 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  SBBG2584  Streptanthus tortuosus var. oblongus H. and M. Dearing 1939-5-9 3308 Sierra Indian Valley near Downieville Comment
  CHSC94173  Streptanthus tortuosus var. suffrutescens Lowell Ahart 2006-6-21 12822 Sierra On the north side of the road, about 2 miles (by road) west of Forest. 1329 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
  CAS-BOT-BC48051  Styrax redivivus Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  CAS-BOT-BC269707  Symphoricarpos mollis Margaret Williams; Arnold Tiehm 1974-8-17 74 -S-57 Sierra Verdi Ridge, Verdi Range 2133 Comment
  CAS-BOT-BC245765  Symphoricarpos rotundifolius Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Unspecified Comment
  JEPS102637  Symphoricarpos rotundifolius var. rotundifolius Lowell Ahart 2001-8-10 9080 Sierra Near Davies Creek, on both sides of Henness Pass Road, about 3 miles west of Sardine Valley, about 5 1/2 miles (air) NW of Stampede Reservoir Dam. 1889 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
  CAS-BOT-BC97615  Symphyotrichum campestre Alice Eastwood 1918-6-29 7835 Sierra Loyalton Comment
  CAS-BOT-BC98474  Symphyotrichum spathulatum James Jokerst 1985-7-22 2527 Sierra Near Carman Creek - Calpine Quad. 901 Comment
  JEPS16781  Symphyotrichum spathulatum Rimo Bacigalupi with L. Constance and E. Nasir 1953-9-9 4354 Sierra Sierraville 1417 Comment
  CAS-BOT-BC98472  Symphyotrichum spathulatum John Thomas Howell 1969-9-13 46139 Sierra Near the southwest end of Webber Lake - Sierra Nevada 2072 Comment
  CAS-BOT-BC98475  Symphyotrichum spathulatum Mrs. H. C. Cantelow 1951-7-23 12 Sierra Near Sierraville Comment
  SJSU12247  Symphyotrichum spathulatum N. A. Hopkins 1982-8-22 1115 Sierra 1 mi S of Calpine 1524 Comment
  UC29879  Symphyotrichum spathulatum C. T. Blake 1890-1-1 Sierra Webber Lake 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
  CHSC69178  Tanacetum parthenium Vernon Oswald; Lowell Ahart 1997-8-19 8827 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
  JEPS98952  Tanacetum parthenium Lowell Ahart 2001-8-10 9084 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
  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
  UC335784  Taraxacum officinale unknown 1889-5-20 Sierra Sierra Valley Comment
  SJSU4156  Taraxia tanacetifolia C. W. Sharsmith & W. Savage 1967-5-20 7528 Sierra by Sierraville-Loyalton Rd 6 mi N of Sierraville, Sierra Valley 1493 Comment
  SEINET12221189  Tellima grandiflora J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  CAS-BOT-BC329005  Tetradymia canescens Alice Eastwood 1918-6-29 7838 Sierra Loyalton Comment
  CAS-BOT-BC399687  Thalictrum fendleri Betty J. Jorgensen 1944-6-22 478 Sierra Along Little Truckee River, on road between Independence and Webber Lakes Comment
  SEINET3814729 Image available Thalictrum fendleri Lewis S. Rose 1934-7-14 34362 Sierra Gold Lake. 1951 Comment
  CAS-BOT-BC399684  Thalictrum fendleri W. Harnach; N. Harnach 1989-6-24 167 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1517 Comment
  RSA7992  Thalictrum fendleri H. A. Barker 1927-6-24 731 Sierra Packer Lake. 2012 Comment
  UC191199  Thalictrum sparsiflorum C. F. Sonne Jul 10 1892-Aug 7 1892 Sierra Little Truckee River Comment
  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
  SJSU4155  Thlaspi arvense C. W. Sharsmith & W. Savage 1967-5-20 7527 Sierra 3 mi W of Loyalton, Sierra Valley 1508 Comment
  CAS-BOT-BC88143  Thlaspi arvense W. Harnach; N. Harnach 1990-4-22 270 Sierra Sierra Valley. Herriot Lane. 1493 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
  CAS-BOT-BC88173  Thysanocarpus curvipes Lowell Ahart 1978-6-4 s.n. Sierra 4 miles south of Alleghany. 1300 Comment
  RSA95509  Tofieldia glutinosa subsp. occidentalis J. T. Howell 1951-8-21 28270 Sierra Yuba Pass. 2043 Comment
  UC965629  Tofieldia occidentalis subsp. occidentalis Herbert L. Mason 1952-7-16 14341 Sierra 1 mi W of University of California Trout Laboratory; Sierra Nevada Comment
  JEPS125813  Torilis arvensis William Harnach 2015-5-6 1403 Sierra Turnoff to Ramshorn Campground on Highway 49, 1.6 miles West of Goodyears Bar. Comment
  UCR249642  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20780 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
  CHSC115168  Torilis arvensis subsp. purpurea Lowell Ahart 2015-9-9 20157 Sierra On the north side of the Canyon Creek Trail, trail on the north side of the North Fork of the Yuba River, about 300 yards west of Highway 49, about one mile west of Indian Valley. 692 Comment
  SEINET12237639  Toxicodendron diversilobum F. H. Utech 1986-1 86 -078 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  UCD139873  Toxicoscordion paniculatum Stuart Date Unknown 2159 Sierra Guscette Sheep Range est of Loyalton. Comment
  UCD39225  Toxicoscordion paniculatum Beecher Crampton 1954-5-10 1859 Sierra 2.5 miles west of Sattley. 1676 Comment
  JEPS124651 Image available Tragopogon porrifolius M. L. Wheelis 1964-6-25 79 Sierra Between gas station and road 5 mi. north of Little Truckee River Bridge. Highway 89. Comment
  CAS-BOT-BC377173  Tragopogon pratensis Alice Eastwood 1918-6-29 7932 Sierra Loyalton Comment