Search Results — 2000 specimen records retrieved (1327 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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-BC78101  Abies magnifica Elmer I. Applegate 1921-9-7 s.n. Sierra Gold Lake 1981 Comment
  CHSC11392  Abies magnifica Lowell Ahart 1966-9-24 Sierra Near Weber Lake. 2438 Comment
  UC336721  Abies magnifica var. magnifica unknown 1889-6-18 Sierra Gold Lake Comment
Read comments
May 19 2012
  UC336722  Abies magnifica var. magnifica unknown 1867-1 Sierra Webber Lake Comment
  CAS-BOT-BC330963  Acer glabrum var. glabrum Pierson Durbrow 1918-7-1 s.n. Sierra Sierra Buttes Comment
  CAS-BOT-BC331042  Acer glabrum var. glabrum Catherine Best 1982-7-12 747 Sierra Sierra Nevada, above Packer's Lake in the direction of the Sierra Buttes 2011 Comment
  CHSC47372  Acer glabrum var. torreyi Lowell Ahart 1974-7-3 511 Sierra North slope of Bunker Hill Ridge, near the county boundary line, about 10 miles north-east of La Porte, Sierry County or Plumas County. 1889 Comment
  UCD117045  Acer macrophyllum P. B. Schultz 1967-6-30 32 Sierra 2 miles east of Downieville. 929 Comment
  JEPS124794 Image available Acer macrophyllum Dixie Funnell 1965-6-29 49 Sierra Union Flat Campground. Highway 49. 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
  JEPS124639 Image available Achillea millefolium Dixie Funnell 1965-7-6 101 Sierra 3/4 mile from highway 89 on the Satler Junction. Comment
  SEINET10843120  Achnatherum hymenoides Vernon H. Oswald, Lowell Ahart 1990-7-25 Oswald 4386 Sierra Ca. 1.5 miles south of Staverville Road between Balls Ranch and Old Fish Farm. T21N R17E NW corner S34. On loose, sandy soil of a dry, brushy slope with scattered Jeffrey pines. Northern Juniper Forest. 1951 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
  CAS-BOT-BC210711  Achnatherum lemmonii Lowell Ahart 1982-7-28 3693 Sierra About 0.25 mi. N of the Pacific Mine, ca 5 mi. E of La Porte 1700 Comment
  CHSC53229  Achnatherum lemmonii L. P. Janeway 1989-8-18 3615 Sierra Plumas National Forest. Northeast flank near top of ridge ca 3 mi E of Haskell Pk overlooking Sulphur Cr. 2225 Comment
  CHSC94139  Achnatherum lemmonii Lowell Ahart 2006-6-28 12883 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
  JEPS29723  Achnatherum lemmonii Rimo Bacigalupi, and L. R. Heckard 1962-5-27 8479 Sierra 2 mi s Sierraville (at edge of valley floor); Sierra Valley 1615 Comment
  UC333559  Achnatherum lemmonii unknown Oct. 1890 5451 Sierra Sierra Valley Comment
Read comments
Jul 12 2007
  CAS-BOT-BC210748  Achnatherum nelsonii David D. Keck 1944-7-8 5401 Sierra 3 miles N.E. of Sierra City on North Fork of North Fork of Yuba River near mouth of Sardine Creek 1584 Comment
  CAS-BOT-BC216382  Achnatherum nevadense John Thomas Howell; Gordon H. True 1970-7-14 5509 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  CAS-BOT-BC216913  Achnatherum occidentale Lowell Ahart 1977-8-2 s.n. Sierra N side of Mount Fillmore 2000 Comment
  CAS-BOT-BC216914  Achnatherum occidentale David D. Keck 1944-7-8 5407 Sierra E side of Yuba Pass, near base, 2 miles NW of Sattley 1615 Comment
  CAS-BOT-BC210858  Achnatherum occidentale subsp. californicum Lowell Ahart 1982-7-28 3718 Sierra Near the Pacific Mine ca. 5 mi. E of La Porte 1700 Comment
  CHSC61900  Achnatherum occidentale subsp. californicum Lowell Ahart 1993-9-10 7217 Sierra On the west side of Mount Fillmore, about 1 1/2 miles south of the dirt road from Gibsonville to Johnsville. 2316 Comment
  SEINET232920  Achnatherum occidentale subsp. californicum Mary E. Barkworth, LR Firestone 1982-8-21 4017 Sierra 10 mi from hwy Cal 89 Webber Lake at fork in road leading down to office. Right hand fork S side rd 2108 Comment
  SEINET5585896  Achnatherum occidentale subsp. pubescens P. A. Lehenbauer 1937-1 58 Sierra 25 miles west of Reno, on Truckee R. at Iceland 1676 Comment
  CHSC112066  Acmispon americanus var. americanus L. P. Janeway 2014-6-23 11407 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Grove Creek, just north of Pine Grove Ceme-tery, 1.3 air-km west-northwest of Howland Flat. 1646 Comment
  SEINET5327492  Acmispon americanus var. americanus W. Harnach, N. Harnach 1989-6-21 160 Sierra Sierra Valley; E of Calpine on Calpine Road, Calpine Ranch (home) 1506 Comment
  CAS-BOT-BC213420  Acmispon argophyllus var. argophyllus Lowell Ahart 1983-10-11 4466 Sierra Near Ahart Sheep Camp, Milton Res., 3 miles north-west of Jackson Meadow Reservoir. 1800 Comment
  SEINET5327391  Acmispon nevadensis var. nevadensis H. Hamlin s.n. Sierra Sierra Valley Comment
  CHSC43384  Acmispon parviflorus Lowell Ahart 1978-6-4 1762 Sierra Along the Foote Road, about 5 miles south of Alleghany. 1219 Comment
  SEINET5337479  Aconitum columbianum P. B. Kennedy, Samuel Bradford Doten 1901-7-23 203 Sierra Lincoln Valley Comment
  CAS-BOT-BC391499  Aconitum columbianum subsp. columbianum Lowell Ahart 1964-7-24 s.n. Sierra 2 miles west of Webber Lake 2133 Comment
  CAS-BOT-BC412902  Aconogonon davisiae A. R. Kruckeberg 1954-8-2 3682 Sierra Along trail to Sierra Buttes, 1/2 mile above upper Tamarack Lake 2438 Comment
  SEINET8664009  Actaea rubra W. Harnach, N. Harnach 1989-5-13 088 Sierra 0.5 miles S of Sattley, Sierra Valley, Martinetti Ranch (Elvers). 1518 Comment
  SEINET5337535  Actaea rubra subsp. arguta S. B. Doten 1901-7-5 102 Sierra [Sierra Nevada] Little Truckee below Webber Lake Comment
  CAS-BOT-BC29289  Adenocaulon bicolor W. Harnach; N. Harnach 1900-8-17 512 Sierra Sierra Valley, Strang Ranch (Elvers back 80) 1524 Comment
  CHSC11327  Adiantum aleuticum Lowell Ahart 1966-9-18 Sierra Along Goodyear's Bar Road. 1219 Comment
  CHSC69169  Adiantum aleuticum Vernon H. Oswald; Lowell Ahart 1997-8-19 8822 Sierra Mountain House Rd. (County Rd. 300) at Young America Creek, 3.6 mi south of Goodyears Bar. 1112 Comment
  SEINET3559085 Image available Agastache urticifolia Lewis S. Rose 1934-7-16 34374 Sierra Gold Lake. 1951 Comment
  UC883215  Agastache urticifolia Alice Eastwood 1918-6-29 7916 Sierra Loyalton Comment
  SEINET7940404  Agastache urticifolia B. Hildebrand 1946-6-15 H- 59 Sierra Two miles W of Calpine. 1524 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
  CHSC73403  Ageratina occidentalis B. Castro; L. Gehrung, H. Durio 1995-9-14 617 Sierra Ca 0.8 air mi SW of the top of Mt. Fillmore, and ca 0.2 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. 1962 Comment
  UC336471  Ageratina occidentalis unknown 1890-10-1 Sierra Webber Lake Comment
  UC572366  Ageratina occidentalis G. T. Nordstrom 1936-7-14 942 Sierra 1.2 mi n Dog Valley; Sierraville Quadrangle 1920 Comment
  CAS-BOT-BC29603  Agoseris X dasycarpa Alice Eastwood 1918-6-29 7842 Sierra Loyalton Comment
  UCR45303  Agoseris glauca R. D. Goeden 1986-9-10 860910- 01 Sierra Jackson Meadow Reservoir, 22 mi. NW of Truckee, Tahoe National Forest 1841 Comment
  CAS-BOT-BC15458  Agoseris glauca var. glauca D. E. Breedlove 1962-6-13 3504 Sierra 1.5 miles north of Sierraville on State Hwy. 89 1524 Comment
  CAS-BOT-BC15459  Agoseris glauca var. glauca D. E. Breedlove 1962-6-13 3504 Sierra 1.5 miles north of Sierraville on State Hwy. 89 1524 Comment
  CDA297  Agoseris glauca var. monticola T. C. Fuller 1962-6-14 9008 Sierra Highway 49 to Sierraville, 0.6 mile west of Loyalton. 0 Comment
  CAS-BOT-BC15442  Agoseris grandiflora var. grandiflora Alice Eastwood 1918-6-29 7845 Sierra Loyalton Comment
  SJSU12217  Agoseris heterophylla N. A. Hopkins 1982-6-19 1051 Sierra 1 mi S of Calpine 1524 Comment
  SEINET8666036 Image available Agoseris heterophylla var. heterophylla W. Harnach 2013-4-6 1303 Sierra 1.6 miles west of Goodyears Bar on Hwy 49 and north of the Ramshorn campground. 902 Comment
  JEPS36263  Agoseris heterophylla var. heterophylla L. S. Smith 1927-5-30 2066 Sierra sec 5 and 4 east side Sierra Valley Comment
  SJSU13923  Agrostis capillaris N. A. Hopkins 1984-8-5 1231 Sierra Chapman Saddle Rd. 1767 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
  SJSU13924  Agrostis exarata N. A. Hopkins 1984-8-5 1230 Sierra Chapman Saddle Rd. 1767 Comment
  CAS-BOT-BC139577  Agrostis gigantea John Thomas Howell 1969-9-13 46114 Sierra Sierra Nevada. Little Truckee River near outlet of Webber Lake. 2042 Comment
  CAS-BOT-BC139236  Agrostis idahoensis Lowell Ahart 1977-8-2 1522 Sierra Found on north side of Mount Fillmore. 609 Comment
  JEPS102454  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
  CAS-BOT-BC138945  Agrostis pallens Elmer I. Applegate 1921-9-7 3351 Sierra Gold Lake, northern Sierra County. 1981 Comment
  CAS-BOT-BC138946  Agrostis pallens Lowell Ahart 1977-8-2 s.n. Sierra Found on north side of Mount Fillmore. Stream that drains the north side of Mount Fillmore. 2000 Comment
  UCD53166  Agrostis pallens Elizabeth Wilson 1939-7-13 s.n. Sierra 6 mi. from Gold Lake. Comment
  UCD53204  Agrostis pallens G. T. Nordstrom 1936-7-22 945 Sierra 1 mile S.E. of Sawmill. 1767 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
  CHSC47599  Agrostis scabra Lowell Ahart 1980-9-9 2607 Sierra Along the Little Truckee River, about 1/4 mile east of Webber Lake. 2011 Comment
  CHSC105971  Agrostis thurberiana Lowell Ahart 2010-9-15 17182 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
  CAS-BOT-BC138566  Agrostis variabilis Catherine Best 1981-6-18 s.n. Sierra Sierra Nevada. On the Salmon Lake Road about one mile southeast of Salmon Lake. 1828 Comment
  CHSC61939  Agrostis variabilis Lowell Ahart 1993-9-10 7204 Sierra About 1/4 mile south of where the poor dirt road ends at the stream, camp and water ditch, on the north side of Mount Fillmore, about 1 mile southwest of the dirt road from Gibsonville to Johnsville. 2225 Comment
  SEINET4342222  Agrostis variabilis W. Harnach, N. Harnach 2000-7-9 954 Sierra Sierra Valley, about 1.2 mile north of Coburn Lake at the end of access road 2189 Comment
  SEINET5335992  Agrostis variabilis P. B. Kennedy, Samuel Bradford Doten 1901-7-23 217 Sierra Lincoln Valley Comment
  SEINET3559510 Image available Allium bisceptrum Lewis S. Rose 1934-7-2 34308 Sierra Gold Lake. 1951 Comment
  CHSC32039  Allium campanulatum L. Ahart 1975-6-28 824 Sierra Ca. 2 mi e of Gibsonville. 1981 Comment
  SDSU11557  Allium campanulatum D. F. Howe 1964-7-28 3885 Sierra 5.5 miles south of Glod Lake Lodge, Tahoe National Forest 1829 Comment
  UCD21007  Allium campanulatum E. Bortiri 2002-7-2 WFC 55 Sierra Packsaddle Campground, Lakes Basin. Comment
  JEPS125746  Allium cratericola William Harnach 2013-4-6 1301 Sierra 1.6 miles West of Goodyears Bar on Highway 49 and North of the Ramshorn Campground. Comment
  SEINET206298  Allium lemmonii R. Bacigalupi, LR Heckard 1962-5-27 8484 Sierra E edge of S arm of Sierra Valley 4.7 mi NE of Sierraville (W slope of Rice Hill) 1524 Comment
  UCD84191  Allium lemmonii Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  UCR242994  Allium lemmonii 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
  CAS-BOT-BC472754  Allium lemmonii John Thomas Howell; R. C. Barneby 1954-5-14 29548 Sierra Sierra Valley, between Sierraville and Loyalton Comment
  SEINET8122288  Allium lemmonii W. Harnack, N. Harnach 1989-5-5 057 Sierra Sierra Valley, Newman Point. 1531 Comment
  SJSU6441  Allium lemmonii N. A. Hopkins 1971-6-14 381 Sierra 1 mi E of Sierraville, Sierra Valley 1524 Comment
  CHSC74030  Allium platycaule B. Castro; M. A. Griggs, Plumas NF botanists 1997-7-10 753 Sierra Bunker Hill Ridge, on SW-facing slope E of Duck Soup Pond, approaching the ridge crest, along the Pacific Crest Trail. 2103 Comment
  CAS-BOT-BC476709  Allium validum Mrs. E. C. Sutcliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CHSC69184  Allophyllum divaricatum Vernon Oswald; Lowell Ahart 1997-8-19 8829 Sierra Mountain House Rd. (County Rd. 300) 1.1 mi southwest of the town of Forest (between Goodyears Bar and Alleghany). At base of roadcut. 1417 Comment
  SEINET14407743  Allophyllum gilioides subsp. violaceum P. B. Kennedy, S. B. Doten 1901-7-8 120 Sierra N of Webber Lake. Comment
  CHSC47683  Allophyllum integrifolium Lowell Ahart 1989-8-16 6377 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir. 1706 Comment
  CHSC106056  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
  CHSC45515  Allotropa virgata Lowell Ahart 1978-8-13 1798 Sierra Branch of Negro Creek, about 4 miles north-west of Middlewaters,. 1645 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
  CAS-BOT-BC171389  Alnus incana subsp. tenuifolia Alice Eastwood 1918-6-29 7820 Sierra Loyalton Comment
  CHSC52800  Alnus incana subsp. tenuifolia L. P. Janeway 1984-8-18 1025 Sierra Near mdw; near second switchback (toward SE) down from Packers Saddle. 1981 Comment
  RSA261485  Alnus incana subsp. tenuifolia Douglas Drewes 1967-5-20 s.n. Sierra State Highway 89, near Campbell Hot Springs, 6 miles south of Sierraville. 1524 Comment
  UCD109985  Alnus incana subsp. tenuifolia P. B. Schultz 1967-6-30 35 Sierra 20 feet east of Sand Pond, near Sardine Lake. 1524 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
  CHSC81425  Alopecurus aequalis Lowell Ahart 2001-9-28 9298 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
  UC1562438  Alopecurus aequalis Lowell Ahart 1990-6-29 6531 Sierra on bottom of Poverty Hill Mine (hydraulic mine) 1524 Comment
  SEINET3353252 Image available Alopecurus aequalis F. A. MacFadden 1934-1 Sierra Truckee River, 13 Miles from Truckee on the old Reno Road Comment
  SEINET7953067 Image available Alopecurus geniculatus Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Road, ca 100 m N from the road. 1495 Comment
  CHSC80923  Amaranthus californicus Lowell Ahart 2001-8-10 9076 Sierra Strand of Stampede Reservoir, about 1 mile southwest of Henness Pass Road, about 1 1/4 miles northwest of the Stampede Reservoir Dam. 1810 Comment
  CAS-BOT-BC494132  Amaranthus powellii W. Harnach; N. Harnach 2000-8-22 980 Sierra Sierra Valley. 1.0 miles E of Calpine on Capine Road (home) 1504 Comment
  SJSU11963  Amelanchier alnifolia var. pumila N. A. Hopkins 1970-6-10 321 Sierra near Packer L 1897 Comment
  SEINET6195180  Amelanchier pallida K. L. Neal 1960-5-28 R- 59 Sierra 8 miles northwest of Verdi 1463 Comment
  SEINET6190254  Amelanchier pumila P. B. Kennedy, S. B. Doten 1901-7-5 97 Sierra Webber Falls, canyon below Comment
  CAS-BOT-BC136870  Amelanchier utahensis H. Albert Barker 1926-7-16 232 x Sierra Gold Lake - First Island Comment
  CAS-BOT-BC136876  Amelanchier utahensis W. Harnach; N. Harnach 1990-5-13 307 Sierra Sierra Valley. The Mounds near Sattley 1517 Comment
  SJSU14230  Amelanchier utahensis N. A. Hopkins 1989-4-28 1483 Sierra Ridge Rd to Allegheny off Hwy 49 1219 Comment
  CAS-BOT-BC45080  Anaphalis margaritacea H. Albert Barker 1926-7-16 127 Sierra Gold Lake, first island. 1953 Comment
  CAS-BOT-BC45081  Anaphalis margaritacea W. Harnach; N. Harnach 1990-8-17 514 Sierra Sierra Valley, Strang Ranch (Elvers back 80) 1524 Comment
  CHSC44099  Anaphalis margaritacea L. P. Janeway 1984-8-25 1079 Sierra Snag Lake. 2026 Comment
  SJSU14468  Anaphalis margaritacea N. A. Hopkins 1990-8-21 1630 Sierra c. 1.5 mi SSW of Calpine 1554 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
  CAS-BOT-BC63861  Antennaria argentea Clare B. Hardham 1961-6-15 7409 Sierra South side, Yuba Pass Comment
  SEINET6735100 Image available Antennaria dimorpha W. Harnach, N. Harnach 1990-4-22 276 Sierra Sierra Valley, Approx 5 miles N of Sierraville on Hwy 49, Newman point (east side of HWY and up the slope) 1554 Comment
  SBBG7570  Antennaria luzuloides H. and M. Dearing 1939-5-9 3306 Sierra Indian Valley Camp on Yuba River near Downeyville Comment
  UC585074  Antennaria luzuloides E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1629 Sierra about 3.5 mi ne, on rd to Loyalton, (Newman Point) Sierraville; Sierra Valley, Newman Point 1600 Comment
  SJSU9809  Antennaria luzuloides C. W. Sharsmith 1982-5-30 8660 Sierra 2 mi N of Sattley on Sattley-Beckwourth Road, Sierra Valley 1524 Comment
  CHSC61775  Antennaria rosea subsp. confinis Lowell Ahart 1993-9-10 7208 Sierra On the north side of Mount Fillmore, about 1 1/4 miles south of the dirt road from Gibsonville to Johnsville. 2225 Comment
  JEPS102367  Antennaria rosea subsp. confinis Lowell Ahart 2001-8-10 9099 Sierra about 5 air miles E of Webber Lake (about 200 ft SW of diversion dam on Little Truckee River, 100 yds S of Fiberboard Road (FSR 18), about 1/8 mi N of Henness Pass Road) 1920 Comment
  SEINET10880482 Image available Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-9-11 Thompson 381 B Sierra 0.4 miles W. of center of bridge over Downie River in Downieville, N. side of road. Downieville Quad. (7.5', 1951). T20N, R10E, SW 1/4 of NE 1/4 Sec. 35. Silvery serpentine, gravelly rockslides. 902 Comment
  UC1178989  Antirrhinum vexillocalyculatum subsp. intermedium Herbert L. Mason 1945-9-9 12693 Sierra s of Downieville (Yuba River Canyon); Yuba River Canyon Comment
  CDA35621  Apocynum androsaemifolium J. R. Keck Jr. 1978-6-29 PDR# 330069 Sierra Sierraville; Treasure Mtn. Rd., U. S. Forest Service Land. 0 Comment
  CAS-BOT-BC383090  Aquilegia formosa Andrew Townesmith; Karen M. Meyer 2007-7-16 815 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 1.1 miles west of junction with county road 860 1916 Comment
  CAS-BOT-BC407119  Aquilegia formosa George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  SEINET10729797  Aquilegia formosa Andrew Townesmith, Karen M. Meyer 2007-7-16 Townesmith 815 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 1.1 miles west of junction with county road 860. T19N R16E S11 E 1/2. 1916 Comment
  SEINET8665321  Aquilegia formosa var. formosa W. Harnach, N. Harnach 1990-6-30 445 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  SEINET5337626  Aquilegia formosa var. formosa P. A. Lehenbauer 1937-6-8 123 Sierra 25 miles west of Reno, on Truckee River, at Iceland, on south side of river by falls. 1676 Comment
  SEINET8665417  Aquilegia formosa var. truncata P. B. Kennedy, S. B. Doten 1901-6-1 64 Sierra [Sierra Nevada,] Webber Lake. 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
  RSA8048  Arabis drummondii H. A. Barker 1927-6-28 744 Sierra Gold Lake. 1982 Comment
  UCR270625  Arabis holboellii John F. Emmel 1998-1-7 1561 Sierra Northern Sierra Nevada Mountains, junction of Lemon Canyon Road and Dark Canyon Road, c. 3 miles east of Sierraville 1646 Comment
  RSA718382  Arabis sparsiflora var. arcuata L. Ahart 2006-6-21 12819 Sierra On the north side of the Foote Road, about 1.3 miles (by road) southwest of Alleghany. 1306 Comment
  UCD101908  Arceuthobium americanum John Thomas Howell 1969-9-13 46125 Sierra North shore of Webber Lake, Sierra Nevada. 2064 Comment
  CHSC43530  Arctostaphylos nevadensis Lowell Ahart 1975-6-28 814 Sierra About 2 miles east of Gibsonville, about 3 miles west of Mount Fillmore. 1981 Comment
  HSC7660  Arctostaphylos nevadensis L. S. Rose 1969-6-25 69055 Sierra Gold Lake 1951 Comment
  UC876438  Arctostaphylos nevadensis Lewis S. Rose 1934-7-21 34398 Sierra Gold Lake 1950 Comment
  SEINET11989154  Arctostaphylos nevadensis B. A. Stein 1981-1 543 Sierra E shore Upper Sardine Lake, due E of Sierra Buttes 1829 Comment
  SBBG33897  Arctostaphylos nevadensis subsp. nevadensis L. S. Rose 1969-6-25 69055 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC46503  Arctostaphylos patula Belle R. Jackson 1932-6-1 s.n. Sierra Yuba Pass. Comment
  UC567034  Arctostaphylos patula G. E. Sindel 1934-7-31 80 Sierra 3 1/4 mi n Meadow Lake; Truckee Quadrangle 2240 Comment
  UCD40313  Arctostaphylos patula Rodney Gale Myatt 1971-7-3 838 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  SEINET11993485  Arctostaphylos patula F. H. Utech 1986-1 86 -054 Sierra Tahoe National Forest, Wild Plum Recreation Area, ca 2 mi E of Sierra City on CA 49 1350 Comment
  SEINET11998348  Arctostaphylos patula Unknown 1988-1 s.n. Sierra near Sardine Lake 1890 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
  SEINET7263442  Arctostaphylos patula M. Demorest 1962-5-9 s.n. Sierra Dog Valley, valley floor near meadow 1829 Comment
  SEINET7266034  Arctostaphylos patula D. Solari 1941-4-20 25 Sierra About 1 mile up Dog Valley grade, NW of Verdi 1676 Comment
  CAS-BOT-BC45329  Arctostaphylos viscida subsp. viscida William Vortriede 1928-4-15 s.n. Sierra Downieville Comment
  JEPS87653  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
  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
  UC120427  Arenaria kingii var. glabrescens J. G. Lemmon 1875-1 41 Sierra Comment
  SEINET8756239  Argemone munita var. rotundata W. Harnach, N. Harnach 1991-7-24 655 Sierra Sierra Valley, Sierraville, Lemmon Canyon road, ca 1.5 miles E of Hwy 49. 1524 Comment
  RSA748565  Arnica K. M. Meyer, A. Townesmith 2007-7-15 119 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  CAS-BOT-BC82090  Arnica Lillian S. Mott 1963-7-21 463 Sierra 11 miles north of Downieville on Craycroft Ridge Road 1524 Comment
  CAS-BOT-BC82094  Arnica W. Harnach; N. Harnach 1989-6-18 155 Sierra Sierra Valley. Calpine Ranch (home) 1501 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
  CHSC57252  Arnica chamissonis L. P. Janeway 1984-9-15 1154 Sierra Northwest-facing slope above upper Tamarack Lake. 2225 Comment
  UC1119291  Arnica chamissonis G. T. Nordstrom 1936-7-22 947 Sierra 1 mi se Sawmill; Sierraville Quad. 1767 Comment
  UCD84149  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-BC82235  Arnica chamissonis W. Harnach; N. Harnach 1991-7-4 617 Sierra Sierra Valley, Martinetti Ranch (the fenced bog hole) 1511 Comment
  CAS-BOT-BC82244  Arnica chamissonis F. A. MacF. 1934-6-29 12551 Sierra Marsh, Truckee River 13 miles from Truckee on the Reno Rd. via Hobart Mills Comment
  SEINET11837691  Arnica cordifolia J. G. Lemmon 1874-1 s.n. Sierra Comment
  JEPS88368  Arnica dealbata Vernon H. Oswald and Lowell Ahart 1996-8-19 8215 Sierra Yuba Pass-Weber Lake Rd.(Forest Rt. 12) just n road to Haypress Valley; northern High Sierra Nevada 2255 Comment
  SEINET8584749 Image available Arnica dealbata W. Harnach 2012-7-30 1255 Sierra Approx 1 mile south of Forest Road 09, on Road 0913. 1.5 air miles SE of Haskell Peak, Tahoe National Forest. 1964 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
  JEPS107588  Arnica mollis Lowell Ahart 2005-8-30 12351 Sierra On the south side of Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2064 Comment
  JEPS125729  Arnica nevadensis William Harnach 2015-8-5 1435 Sierra Approximately 3.4 air miles SE of Yuba Pass. Comment
  CAS-BOT-BC146262  Arrhenatherum elatius var. elatius Catherine Best 1981-6-17 s.n. Sierra Sierra Nevada. Sierra Valley 1 mile west of Sierraville on Highway 89. Comment
  UC1119391  Artemisia arbuscula subsp. arbuscula A. Lewis 1934-11-7 546 Sierra 4 mi w of Loyalton; Tahoe National Forest, Sierraville Quadrangle 1493 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
  SEINET7153371 Image available Artemisia nova R. Eckert 1963-7-23 ARS 7 Sierra North of Verdi, Nevada. Dog Valley Rd. 2134 Comment
  CDA10188  Artemisia tridentata M. R. Pryor 1954-10-28 Sierra Loyalton. 0 Comment
  SEINET7153475 Image available Artemisia tridentata W. Harnach, N. Harnach 1990-9-22 528 Sierra Sierra Valley. 0.5 miles E of Calpine, Calpine Ranch (Home). 1507 Comment
  UCD129355  Artemisia tridentata R. O. Hanes 1992-9-28 92 Sierra Cottonwood Creek. Tahoe Forest. 1889 Comment
  CAS-BOT-BC97413  Artemisia tridentata subsp. tridentata W. Harnach; N. Harnach 1990-9-22 528 Sierra Sierra Valley, Calpine Ranch (Home) 1507 Comment
  UC1119464  Artemisia tridentata subsp. tridentata A. Lewis 1934-11-5 543 Sierra 6 mi nw Loyalton; Tahoe National Forest, Sierraville Quadrangle Comment
  UC1119468  Artemisia tridentata subsp. tridentata A. Lewis 1934-11-7 548 Sierra 5 1/4 mi w Loyalton; Plumas National Forest, Sierraville Quadrangle Comment
  JEPS125786  Artemisia tridentata subsp. wyomingensis William Harnach 2015-10-6 1455 Sierra 1.8 miles east of Highway 49 on Lemmon Canyon Road, east of Sierraville. Comment
  JEPS125674  Asarum lemmonii William Harnach 2013-5-31 1362 Sierra Approximately 5.3 miles east of Downieville on Highway 49 (0.5 miles west of Union Flat Campground on Highway 49). Comment
  HSC97006  Asclepias cordifolia L. Ahart 2006-6-21 12825 Sierra N side of the road, 2 mi. W of the forest 1330 Comment
  SEINET222994  Asclepias cordifolia Margaret J. Williams 1979-6-13 79- 73 -1 Sierra Dog Valley road. Comment
  JEPS124876 Image available Asclepias fascicularis Roy Funch 1969-6-29 36 Sierra Growing at Roadside 1/4 M E from turnoff to Goodyears Bar from HW 49. Comment
  CHSC10621  Asclepias speciosa Lowell Ahart 1968-7-14 Sierra Near Jackson Meadow Lake. 1828 Comment
  SEINET7120944  Asclepias speciosa W. Harnach, N. Harnach 1990-7-30 495 Sierra Sierra Valley, Sierraville, intersection of Dotta Rd. and Cemetary Rd. 1524 Comment
  SEINET10829529  Asclepias speciosa G. Sommers 1976-8-3 Sommers 457 Sierra 5 mi E of Yuba Pass along Highway 49 1829 Comment
  CHSC32058  Aspidotis densa L. Ahart 1973-10-26 284 Sierra Near Alleghany. 1219 Comment
  JEPS110223  Aspidotis densa Lowell Ahart 2006-6-21 12811 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  SJSU4992  Aspidotis densa N. A. Hopkins 1968-7-5 157 Sierra 0.5 mi W of Packer Lake 2072 Comment
  SJSU8174  Aspidotis densa M. R. Kempf 1965-6-24 218 Sierra Goodyears Bar c. 4 mi SW of Downieville 822 Comment
  HSC98496  Asplenium viride Dana York 2009-7-14 2968 Sierra 3.1 km NNW of Sierra City, Tahoe National Forest, Sierra Buttes 2527 Comment
  UC996165  Asplenium viride G. L. Stebbins Jr. 1953-7-26 5219 Sierra vertical n-facing cliff on ne base South Butte (n of Sierra City); Sierra Buttes 2286 Comment
  CAS-BOT-BC99201  Aster Clare B. Hardham 1985-7-31 30110 Sierra Chapmand Creek, west side of Yuba Pass 1767 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-BC99249  Aster Clare B. Hardham 1986-8-10 30417 Sierra Sierra Nevada Mountains - above Sattlee 1524 Comment
  UCD40300  Aster Rodney Gale Myatt 1971-7-3 795 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  RSA21690  Aster eatonii C. B. Wolf 1937-8-6 9050 Sierra Northern Sierra Nevada, No. Fork of Yuba River, 5 mi. above Downieville 1067 Comment
  RSA716410  Aster integrifolius L. Ahart 2005-8-30 12359 Sierra E of Pass Creek, 100 yards SE of the falls on Pass Creek, 1/4 mile S of French meadow, 2.5 miles W of Webber Lake 2074 Comment
  RSA125818  Aster occidentalis var. fremontii Arthur R. Kruckeberg 1954-8-1 3661 Sierra Yuba Pass, Highway 49, Tahoe National Forest Comment
  UCR257660  Aster occidentalis var. occidentalis George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19450 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
  CAS-BOT-BC295361  Astragalus W. Harnach; N. Harnach 1990-5-6 280 Sierra Sierra Valley. On the slope behind the Montgomery Ranch east of Loyalton 1554 Comment
  SEINET5323324  Astragalus andersonii W. Harnach, N. Harnach 1993-7-11 744 Sierra Sierra Valley, on top of Lincoln Ridge, south of Yuba Pass. Western edge of the project area 2316 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
  RSA0002872  Astragalus cyrtoides J. G. Lemmon 1875-1 622 Sierra Sierra Nevada Mtns.: Sierra Valley Comment
  UC82654  Astragalus gibbsii J. G. Lemmon 1875-1 78 Sierra Comment
  SEINET12159914  Astragalus lemmonii J. G. Lemmon 1874-1 50 Sierra Comment
  UC863024  Astragalus lentiginosus var. floribundus Alice Eastwood 1918-6-29 7928 Sierra Loyalton Comment
  UCD84189  Astragalus purshii Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  CAS-BOT-BC192965  Astragalus purshii var. purshii M. Boone 1981-5-16 052 Sierra 5 miles S. of Junction of highway 49 & 70 Comment
  SEINET5326229  Astragalus purshii var. purshii L. Cheney 1961-5-16 s.n. Sierra Boca Dam 1676 Comment
  SEINET5326830  Astragalus purshii var. tinctus M. J. Williams, A. Tiehm 1975-5-14 75- 11 -1 Sierra Near Verdi 1524 Comment
  NY5712  Astragalus speirocarpus var. falciformis J. G. Lemmon 1875-1 77 Sierra Comment
  CAS-BOT-BC68745  Athyrium alpestre var. americanum Lewis S. Rose 1934-7-13 34359 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC68746  Athyrium alpestre var. americanum Lewis S. Rose 1934-7-13 34359 Sierra Gold Lake 1950 Comment
  JEPS35145  Athyrium filix-femina var. cyclosorum W. L. Jepson 1934-8-3 16815 Sierra 2 mi e Bassett Station (Pioneer Rd Sta.); N Fork Yuba River 1706 Comment
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Dec 26 2016
  UCR230943  Athysanus pusillus George K. Helmkamp, E. A. Helmkamp 2011-6-9 17553 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
  SJSU9818  Athysanus pusillus C. W. Sharsmith 1982-5-30 8669 Sierra 2 mi N of Sattley on the Sattley- Beckwourth Rd, Sierra Valley 1524 Comment
  CAS-BOT-BC100045  Balsamorhiza hookeri D. E. Breedlove 1962-6-13 3507 Sierra 1.5 miles north of Sierraville, on State Hwy. 89 1524 Comment
  CAS-BOT-BC100046  Balsamorhiza hookeri W. Harnach; N. Harnach 1989-4-22 036 Sierra Sierra Valley. Sattley transfer station (dump) 1496 Comment
  UCD152714  Balsamorhiza macrolepis Grady L. Webster 1990-5-13 7729 Sierra gravelly flats in Sierra Valley, 0.5; mi W of Sierraville, elev. 4950 ft, T20N R14E sect; 13.; Common, assoc. with Lomatium nudicaule and Crepis 1508 Comment
  SEINET7239863 Image available Balsamorhiza sagittata W. Harnach, N. Harnach 1990-4-19 265 Sierra Approx 2.5 air miles NW of Calpine, Knuthson Meadows (commonly called Carman Valley) 1548 Comment
  SEINET7239866 Image available Balsamorhiza sagittata W. Harnach, N. Harnach 1989-5-9 076 Sierra Sierra Valley, Approx 5 N of Sierraville on Hwy 49, Newman Point (Rice on map) 1524 Comment
  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-BC16682  Barbarea orthoceras P. A. Lehenbauer 1937-6-8 96 a Sierra South side of Truckee River by falls, Iceland. 1676 Comment
  SEINET11193429  Barbarea orthoceras W. Harnach, N. Harnach 1989-4-22 038 Sierra Approx 1.2 miles S of the Calpine Rd./Co. Rd. A-23 intersection, Sattley transfer station (dump). 1497 Comment
  SEINET200167  Beckmannia syzigachne H. L. Mason 1953-7-7 14558 Sierra Sierra Valley pond 1.5 mi E of Calpine Comment
  UC1100213  Beckmannia syzigachne Herbert L. Mason and Malcolm A. Nobs 1953-7-7 14558 Sierra pond 1.5 mi e Calpine; Sierra Valley Comment
  UC121629  Beckmannia syzigachne J. G. Lemmon Sierra Sierra County Comment
  SEINET12101693  Berberis repens J. G. Lemmon 1874-1 s.n. Sierra no further locality Comment
  CAS-BOT-BC413067  Bistorta bistortoides Belle R. Jackson 1932-6-1 s.n. Sierra Sierra Valley Comment
  UCD98824  Bistorta bistortoides R. O. Hanes 1991-6-2 34 Sierra Kyburz Flat. 1920 Comment
  SJSU12118  Blepharipappus scaber N. A. Hopkins 1983-6-15 1141 Sierra Upper Long Valley W of Bordertown 1584 Comment
  CAS-BOT-BC128030  Blepharipappus scaber Bruce G. Baldwin 1985-8-26 508 Sierra near Loyalton, 2.0 miles south of California State Highway 49 on Smithneck Road (0.2 mile south of Rancho Circle Drive) Comment
  SEINET7379341 Image available Blepharipappus scaber K. R. Genz 1979-5-23 9110 Sierra Turning south at forest boundary and long Valley Road, travel Mitchell Canyon Road for 2.3 miles 1817 Comment
  CHSC110244  Boechera constancei L. P. Janeway 2012-6-24 10904 Sierra Northern High Sierra Nevada. Top of band of serpentine along Sawmill Ridge 1.0 km southeast of Delahunty Lake and 2.7 km northwest of Mt Fillmore. 1901 Comment
  SJSU4138  Boechera puberula C. W. Sharsmith & W. Savage 1967-5-20 7517 Sierra near S base of the Buttes c. 7 mi W of Vinton, Sierra Valley 1524 Comment
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Mar 27 2014
  CAS-BOT-BC14636  Boechera rectissima Gordon H. True; J. T. Howell 1967-8-19 4024 Sierra Sagehen - Independence Lake Road ca. 4.5 miles northwest of Sagehen Creek. 2133 Comment
  RSA106765  Boisduvalia densiflora var. densiflora L. S. Rose 1955-7-20 55164 Sierra 2 miles south of Calpine. 1509 Comment
  CAS-BOT-BC418497  Boykinia occidentalis M. S. Taylor; R. Wessel 1982-8-20 5025 Sierra At creek crossing Hwy 49, at Indian Hill loop, ca. 4 air mi ne of Camptonville. 944 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
  RSA0035756  Boykinia occidentalis George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-5 20763 Sierra Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  SD42505  Boykinia occidentalis Carl B. Wolf 1937-8-6 9046 Sierra Northern Sierra Nevada, No. fork of Yuba River, 5 mi. above Downieville 762 Comment
  JEPS124764 Image available Boykinia occidentalis Virginia Hardham 1965-6-29 38 Sierra 4 1/2 mi E of Downieville, Pirk. Comment
  JEPS124765 Image available Boykinia occidentalis C. L. Kline 1965-6-29 111 Sierra 9.9 mi East of Goodyear Bar, Hwy 49. Comment
  JEPS43056  Boykinia occidentalis W. L. Jepson 1934-7-30 16772 Sierra between Weeds Point (Nevada Co.) and North Fork Yuba River bridge (Sierra Co.); btw Weeds Point, Nevada Co. and North Fork Yuba River bridge Comment
  POM129345  Brickellia grandiflora Roxana S. Ferris 1926-9-6 6807 Sierra 9 miles from Markleeville on the Ebbetts Pass Road. Comment
  CHSC107916  Brickellia greenei L. P. Janeway 2011-9-15 10733 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. South-facing serpentine outcrop and cobbly slope. 1763 Comment
  CAS-BOT-BC484382  Brodiaea elegans subsp. elegans John Thomas Howell 1955-7-20 30874 Sierra Sierra Nevada, Near Calpine 1508 Comment
  CHSC68038  Brodiaea minor James D. Jokerst 1985-7-22 2548 Sierra 302 mm from the bottom and 290 mm from the left on the quad map. 899 Comment
  SEINET4345384  Bromus carinatus W. D. Billings 1951-7-8 2115 Sierra Hillside west of Weber Lake Comment
  SEINET4345443  Bromus carinatus P. Lehenbauer 1937-6-8 68 Sierra 25 miles west of Reno on Truckee Road at Iceland, on south side of river by falls 1676 Comment
  UC1131038  Bromus carinatus var. carinatus G. T. Nordstrom 1936-7-8 903 Sierra 2 1/4 mi nnw of Dog Valley 2133 Comment
  UCR257807  Bromus carinatus var. carinatus George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19427 Sierra Northern Sierra Nevada Mountains, along Hwy CA-89, c. 8 miles north of the Nevada County line 1823 Comment
  SEINET935013  Bromus carinatus var. marginatus P. A. Lehenbauer 1937-1 119 Sierra 25 miles west of Reno on Truckee Road at Iceland, on south side of river by falls 1676 Comment
  JEPS75456  Bromus ciliatus W. L. Jepson 1934-8-3 16827 Sierra 2 mi. e. Bassett Station (Pioneer rd. station, n. slope across Yuba R. from camp); N. Fork Yuba R., Pioneer rd. station 1706 Comment
  CAS-BOT-BC155307  Bromus inermis John Thomas Howell 1962-6-18 37830 Sierra Sierra Nevada. Sattley. 1524 Comment
  SEINET3922684  Bromus inermis Kenneth R. Genz 1978-7-25 8478 Sierra Dog Valley.; 0 1829 Comment
  UCD58843  Bromus inermis John Thomas Howell 1962-6-18 37830 Sierra Sierra Nevada. Sattley. 1524 Comment
  CHSC94096  Bromus japonicus Lowell Ahart 2006-6-21 12823 Sierra On the north side of the road, about 2 miles (by road) west of Forest. 1329 Comment
  HSC97011  Bromus laevipes L. Ahart 2006-6-21 12805 Sierra W side of Foote Rd., 3.7 mi. SW of Alleghany 1094 Comment
  UCD59260  Bromus orcuttianus A. A. Beetle 1944-8-17 3041 Sierra Near summit of Yuba Pass. 1935 Comment
  CAS-BOT-BC161972  Bromus rubens Lowell Ahart 1978-6-4 s.n. Sierra Sierra Nevada. 5 miles south of Alleghany. Comment
  UC1131269  Bromus tectorum G. T. Nordstrom 1936-7-9 905 Sierra 2 1/4 mi nnw of Dog Valley 2133 Comment
  SCFS5126  Bromus tectorum P. L. Billings 1965-7-26 118 Sierra Intersection of Sagehen Creek Road and Highway 89. Burned area, near base of tree. 1951 Comment
  SEINET4564962  Bromus tectorum P. Lehenbauer 1937-6-8 56 Sierra 25 miles west of Reno, Nevada, on Truckee River at Iceland, south side of river, near falls 1676 Comment
  CAS-BOT-BC185527  Bromus vulgaris Catherine Best 1985-6-20 1018 Sierra Sierra Nevada. Herrington's, Sierra City. 1219 Comment
  JEPS95352  Bulbostylis capillaris Lowell Ahart 1994-7-1 7438 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
  SEINET11675872  Calamagrostis canadensis var. langsdorffii J. G. Lemmon 1874-1 221 Sierra Sierra Co., &c. Comment
  CAS-BOT-BC184999  Calamagrostis stricta subsp. inexpansa L. P. Janeway 1984-8-25 1069 Sierra Lakes Basin. At Snag Lake. 2026 Comment
  JEPS124787 Image available Callitriche bolanderi Peter Schultz 1967-7-8 58 Sierra 3 miles north of Sattley on Sattley -Beckwourth Road. Comment
  POM181588  Callitriche heterophylla var. bolanderi Anonymous 1929-08 s.n. Sierra Sierra Valley. [county not specified] Comment
Read comments
Jun 13 2012
  SJSU8209  Callitriche palustris W. Savage 1968-7-31 560 Sierra Dargie Ranch, 0.5 mi E of Calpine Rd, Sierra Valley 1493 Comment
  RSA96071  Calocedrus decurrens P. C. Everett, E. K. Balls 1954-10-8 20253 Sierra 4.6 miles north of Sierra-Plumas County line on road from Gold Lake to Graeagle, Sierra Nevada 1433 Comment
  SEINET5334887  Calocedrus decurrens R. J. Holl 1949-5-23 s.n. Sierra Dog Valley, 8 miles north of Verdi 1829 Comment
  SEINET8194600  Calochortus bruneaunis W. Harnach, N. Harnach 1989-6-18 154 Sierra Calpine Ranch, Sierra Valley, 0.5 miles E of Calpine 1506 Comment
  SEINET12054005  Calochortus coeruleus J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. Comment
  CHSC94131  Calochortus leichtlinii Lowell Ahart 2006-6-28 12880 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
  UC66121  Calochortus leichtlinii S. B. Doten 1901-7-5 88 Sierra Webber Lake Comment
  CAS-BOT-BC490239  Calochortus leichtlinii Albert H Barker 1938-7-2 3963 Sierra 5 mi N.W. of Calpine Comment
  CAS-BOT-BC490241  Calochortus leichtlinii Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC181491  Caltha leptosepala Rimo Bacigalupi 1927-7-2 1627 Sierra Slopes above North Fork of Yuba River halfway between Downieville and Sierra City 2072 Comment
  CAS-BOT-BC181498  Caltha leptosepala W. R. Dudley 1894-8-30 s.n. Sierra By road west form Webber Lake to Mountain Lake Comment
  CHSC69172  Calycadenia truncata Vernon Oswald; Lowell Ahart 1997-8-19 8819 Sierra Mountain House Rd. (County Rd. 300) 1.3 mi south of Goodyears Bar. 899 Comment
  SEINET12765110  Calycadenia truncata Vernon Oswald, Lowell Ahart 1997-8-19 8819 Sierra Mountain House Rd. (county Rd. 300) 1.3 mi south of Goodyears Bar.; 0 899 Comment
  UCD100376  Calyptridium monospermum R. Randell 1996-5-26 21 Sierra Tahoe National Forest, Wild Plum Loop Road, 0.8 miles from Wild Plum Road, 1.25 miles from highway 49. 1500 Comment
  HSC17638  Calyptridium monospermum R. Spellenberg 1964-6-14 387 Sierra 7 mi. W of Sierraville on Hwy. 49 Comment
  SEINET5336313  Calyptridium paniculatum P. B. Kennedy, Samuel Bradford Doten 1901-7-23 226 Sierra Lincoln Valley. Comment
  SEINET9108050  Calyptridium umbellatum W. Harnach 1989-5-2 052 Sierra Sierra Valley, 1.5 miles E of Calpine on Calpine Rd., Calpine Ranch ca 400 feet E of gate into barn.. 1500 Comment
  SEINET11933905  Calyptridium umbellatum F. H. Utech 1986-1 86 -053 Sierra Tahoe National Forest, Wild Plum Recreation Area, ca 2.0 mi E of Sierra City on CA hwy 49 1350 Comment
  HSC96823  Calystegia malacophylla subsp. malacophylla L. Ahart 2006-6-21 12824 Sierra N side of the road, 2 mi. W of the forest 1330 Comment
  UCD40304  Calystegia occidentalis Rodney Gale Myatt 1971-7-3 810 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  HSC96851  Calystegia occidentalis subsp. occidentalis L. Ahart 2006-6-21 12796 Sierra W side of Foote Rd. about 4 mi. SW of Alleghany. 849 Comment
  CAS-BOT-BC497686  Camassia quamash Catherine Best 1981-6-18 s.n. Sierra Meadow at Yuba Summit Comment
  CHSC91758  Camassia quamash subsp. breviflora G. Douglas Barbe; T. C. Fuller 1973-6-19 1619 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. [Original lat./long. on label is '39 31 N; 120 5 W']. 1828 Comment
  CAS-BOT-BC497575  Camassia quamash subsp. breviflora R. K. Gierisch; D. H. Esplin 1969-6-26 3477 Sierra Tahoe, Secret Mdw. 1981 Comment
  CAS-BOT-BC497576  Camassia quamash subsp. breviflora Frank W. Gould 1940-6-25 437 Sierra Four miles south of Sierraville 1828 Comment
  CAS-BOT-BC497582  Camassia quamash subsp. breviflora Frank W. Gould 1938-6-25 438 Sierra Calpine, 3miles north of Sattley 1493 Comment
  UCD138357  Camassia quamash subsp. breviflora Jon Balderston 1980-6-1 16 Sierra one mile north of Calpine on Highway 89. 1530 Comment
  SEINET5344120  Camissonia pusilla W. Harnach, N. Harnach 1989-5-21 110 Sierra 0.5 miles E of Calpine, Calpine Ranch (home) 1 Comment
  CAS-BOT-BC37047  Capsella bursa-pastoris Ted Knowles 1961-5-9 6 Sierra 0.5 mile north of Sierraville, on Highway. 1463 Comment
  CAS-BOT-BC37310  Cardamine breweri W. Harnach; N. Harnach 1989-5-13 083 Sierra Sierra Valley. Martinetti Ranch (Elvers). 1517 Comment
  CAS-BOT-BC37307  Cardamine breweri Lowell Ahart 1978-8-13 s.n. Sierra About 0.5 mile east of Jackson Meadow Reservoir. 2100 Comment
  RSA364517  Carex Robert Gustafson 1985-6-10 3145 Sierra SFSU Sierra Nevada Field Station, ca. 6 miles below Yuba Pass summit on Highway 49 1921 Comment
  RSA364536  Carex Robert Gustafson 1985-6-12 3157 Sierra Lincoln Creek campground off highway 49, Yuba Pass Summit area. 1982 Comment
  RSA7945  Carex H. A. Barker 1957-6-28 749 Sierra Gold Lake. 1966 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
  CHSC108110  Carex abrupta Lowell Ahart 2011-9-23 17696 Sierra About 100 yards north of Pass Creek, about 300 yards south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake. 2016 Comment
  JEPS63523  Carex abrupta W. L. Jepson 1934-8-6 16858 Sierra Yuba Pass 2011 Comment
  RSA794972  Carex abrupta L. Ahart 2010-9-15 17191 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring., About 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak 2135 Comment
  UC836149  Carex abrupta Lewis S. Rose 1934-7-7 34328 Sierra Gold Lake 1950 Comment
  CHSC55549  Carex angustata L. P. Janeway 1984-8-25 1085 Sierra At a lake just SW of Snag Lake. 2026 Comment
  CHSC59010  Carex angustata Lowell Ahart 1992-7-17 6790 Sierra A wet boggy meadow, east of the logging road, about 2 (air) miles east of Quartz Point, about 6 (air) miles south-east of Downieville. 1706 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
  CDA9676  Carex aquatilis D. W. Taylor, D. G. Kelch 2003-8-2 s.n. Sierra Yuba Pass. 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
  CHSC53563  Carex athrostachya L. P. Janeway 1984-7-29 952 Sierra Vicinity of Sierra Buttes; near Road 28 (21N11) ca 3 1/2 mi from Gold Lake; ridgetop/saddle. 2225 Comment
  CAS-BOT-BC18120  Carex athrostachya Beecher Crampton 1958-6-24 4946 Sierra Sedge meadows along the Little Truckee River, 12 miles south of Sierraville. 1828 Comment
  CAS-BOT-BC19408  Carex bolanderi A. H. Frederick 1920-6-27 s.n. Sierra Downieville. Slug Canyon. Comment
  CAS-BOT-BC34213  Carex canescens Lewis S. Rose; J. W. Stacey 1934-7-3 34324 Sierra Gold Lake. 1950 Comment
  CHSC105831  Carex canescens Lowell Ahart 2010-8-3 17034 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
  POM203477  Carex canescens L. S. Rose 1934-7-3 34324 Sierra Meadow, Gold lake 1951 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
  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
  SEINET10652827  Carex festiva Stephen T. Olney Olney s.n. Sierra Sierra Meadow. Comment
  CAS-BOT-BC21151  Carex fissuricola G. L. Smith 1959-6-19 1205 Sierra David Snyder Cabin, Clark Station, near Yuba Pass. 1889 Comment
  CHSC117671  Carex fracta Peter F. Zika 2013-6-28 26263 Sierra Road 301, 4.2 road miles NW of dam on Jackson Meadows Reservoir, 6 air km ESE of Keystone Mountain; northern High Sierra Nevada. 1945 Comment
  JEPS63532  Carex fracta W. L. Jepson 1934-8-2 16781 Sierra 2 mi e Bassett sta.; North Fork Yuba River, Pioneer road sta. Comment
  UC825893  Carex hassei J. G. Lemmon Sep. 1874 Sierra Sierra Valley Comment
  SEINET10586827  Carex heteroneura Lowell Ahart 2011-9-23 Ahart 17695 Sierra T19N, R6E, northeast 1/4 section 23. 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
  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
  SEINET13359734  Carex heteroneura M. J. Williams 1967-8-14 s. n. Sierra [Sierra Nevada] Yuba Pass 2042 Comment
  CDA9670  Carex heteroneura var. heteroneura D. W. Taylor, D. G. Kelch 2003-8-2 s.n. Sierra Yuba Pass. Comment
  CHSC82991  Carex heteroneura var. heteroneura L. P. Janeway; B. Castro 2001-7-1 7253 Sierra Northern High Sierra Nevada. From springs on lower northwest flank of Table Rock 0.8 km southwest of Howland Flat, along Road 21N08. 1768 Comment
  SEINET13370398  Carex hoodii S. B. Doten 1895-6-29 s. n. Sierra Dog Valley Comment
  UCR249151  Carex infirminervia George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20752 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CAS-BOT-BC35516  Carex jonesii D. E. Breedlove 1962-6-13 3480 Sierra along State Hwy. 89, 10.7 miles north of Sierraville 1615 Comment
  CHSC105841  Carex jonesii Lowell Ahart 2010-8-3 17040 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
  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
  RSA0059285  Carex lemmonii Peter F. Zika 2013-6-28 26265 Sierra Road 301, 4.2 road miles NW of dam on Jackson Meadows Reservoir, 6 air km ESE of Keystone Mountain. Northern High Sierra Nevada. 1945 Comment
  UCD108014  Carex lenticularis Tim Kuhn 2006-7-31 63 Sierra Truckee Ranger District. Comment
  CHSC46998  Carex lenticularis var. lipocarpa L. P. Janeway 1984-8-25 1061 Sierra At Snag Lake. 2026 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
  HSC89400  Carex lenticularis var. lipocarpa L. P. Janeway 1984-8-25 1061 Sierra Snag Lake 2027 Comment
  RSA252432  Carex lenticularis var. lipocarpa Robert F. Thorne, C. W. Tilforth 1969-9-6 39211 Sierra Moist margin of Haven Lake (between Goose and Snag Lakes). 1951 Comment
  CHSC48070  Carex leporinella L. P. Janeway 1984-9-1 1145 Sierra Saddle along the Sierra Nevada crest NW of Gold Lake. 2164 Comment
  CHSC46987  Carex luzulifolia L. P. Janeway 1989-8-9 3560 Sierra Plumas National Forest. Northeast flank of Haskell Pk overlooking Hwy 89/Sulphur Cr. 2148 Comment
  CAS-BOT-BC31574  Carex luzulifolia Lowell Ahart 1978-9-26 s.n. Sierra Mt. Fillmore. 670 Comment
  CHSC55443  Carex mariposana L. P. Janeway 1989-8-11 3579 Sierra Plumas National Forest. NE flank of Haskell Peak and ca 3/4 mi NW of Chapman Saddle. 2133 Comment
  UC8080  Carex mariposana H. N. Bolander 1866-6 4962 Sierra Westfall's Meadow Sierra 2438 Comment
  UC1730260  Carex microptera L. P. Janeway 1998-7-24 5832 Sierra West end of Church Meadows; west side of Road 721 0.3 mi northeast of Gold Lake Hwy (Road 620). Narrow low ridge between two meadows. 2033 Comment
  CAS-BOT-BC32043  Carex multicaulis L. P. Janeway 1984-8-3 964 Sierra Top of ridge W of Packer Lake and N of Packer Saddle. 2194 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
  JEPS25930  Carex nebrascensis W. L. Jepson 1918-8-18 8042 Sierra Sierra Valley 1524 Comment
  SEINET7568644 Image available Carex nebrascensis H. H. Schmidt, M. Merello, L. Woodruff 1993-6-12 841 Sierra Tahoe National Forest, road to Weber Lake, 3.2 miles W of State Highway 89. 1950 Comment
  UCD140679  Carex nebrascensis Beecher Crampton 1958-6-24 4943 Sierra 12 miles south of Sierraville, along the Little Truckee River. 1828 Comment
  CAS-BOT-BC119888  Carex nebrascensis W. R. Dudley 1909-8-27 s.n. Sierra Meadow N of East Hot Springs. Comment
  JEPS117651  Carex nervina Lowell Ahart 2010-8-3 17030 Sierra On the west bank of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany 1707 Comment
  SEINET7568764 Image available Carex nervina Lewis S. Rose 1934-7-7 34337 Sierra Mountain meadow, SW of Gold Lake. 2103 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
  POM180982  Carex praegracilis A. A. Heller, P. B. Kennedy 1907-7-1 8668 Sierra Purdy. Comment
  UC1133434  Carex raynoldsii L. S. Smith 1928-6-18 2366 Sierra s Loyalton; Tahoe Forest, Sierraville Quadrangle, Jones Valley 1981 Comment
  UC1586400  Carex raynoldsii Lowell Ahart 1991-7-22 6686 Sierra about 1/4 mi s Henness Pass Road (near a small branch of Pass Creek, about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  CHSC110235  Carex rossii L. P. Janeway 2012-6-24 10912 Sierra Northern High Sierra Nevada. Top of Sawmill Ridge 45 m south-west of Gibsonville-Johnsville Road, 2.3 km northwest of Mt Fill-more. 1882 Comment
  CHSC61888  Carex rossii Lowell Ahart 1993-9-10 7195 Sierra At the end of a poor dirt road where there is a camp, water ditch and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CAS-BOT-BC118208  Carex rossii L. P. Janeway 1989-7-28 3532 Sierra Sierra City NE quad, NE slopes between Haskell Pk and Hwy 89/Sulphur Cr. 2057 Comment
  CAS-BOT-BC118211  Carex rossii L. P. Janeway 1984-7-29 945 Sierra Sierra City NE quad, Ridgetop/saddle near Rd 28 (21N11) ca 3.5 mi from Gold Lake. 2225 Comment
  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
  RSA39082  Carex senta Phillip A. Munz 1948-8-11 12331 Sierra Carvin Creek on Highway 49, northeast of Sierra City. 1738 Comment
  CAS-BOT-BC117693  Carex simulata W. R. Dudley 1909-8-25 s.n. Sierra Sieravelle Meadows. Comment
  CAS-BOT-BC117694  Carex simulata John Thomas Howell 1951-8-21 28252 Sierra 5 miles from Calpine on road to Blairsen. 1524 Comment
  CHSC49851  Carex specifica L. P. Janeway 1984-7-29 943 Sierra Near F.S. Rd 28 (21N11) ca 3 1/2 mi from Gold Lake. 2225 Comment
  CHSC52355  Carex specifica L. P. Janeway 1989-7-28 3533 Sierra Plumas National Forest. Slopes between Haskell Pk and Hwy 89/Sulphur Cr. 2179 Comment
  UC733662  Carex specifica L. S. Smith 1928-6-18 2361 Sierra Jones Valley Trail; Tahoe National Forest 2072 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
  POM203481  Carex spectabilis L. S. Rose 1934-7-7 34346 Sierra Ridge SW of Gold Lake. 2104 Comment
  SEINET13709212  Carex spectabilis S. B. Doten 1901-7-5 98 Sierra Webber Lake Comment
  SEINET7575743 Image available Carex spectabilis Lewis S. Rose 1934-7-7 34346 Sierra Ridge SW of Gold Lake. 2103 Comment
  CHSC56889  Carex straminiformis L. P. Janeway; Garrett Gibson 1991-8-16 4139 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. Lee side of ridge. 2237 Comment
  CAS-BOT-BC115875  Carex subfusca L. S. Smith 1927-7-27 2118 Sierra Dorsey Station, Yuba Pass Road. 1981 Comment
  CHSC41184  Carex subfusca J. D. Jokerst 1984-7-23 2113 Sierra Several miles east of Sierra City, ca. 200 feet north of Haypress Creek. 1767 Comment
  CHSC53662  Carex subfusca L. P. Janeway 1984-8-18 1013 Sierra Meadow at second switchback of road down (to south) from Packers Saddle; vicinity of Sierra Buttes. 1981 Comment
  CHSC82982  Carex subfusca L. P. Janeway; B. Castro 2001-7-1 7251 Sierra Northern High Sierra Nevada. From springs on lower northwest flank of Table Rock 0.8 km southwest of Howland Flat, along Road 21N08. 1768 Comment
  JEPS63524  Carex subfusca W. L. Jepson 1934-8-6 16857 Sierra Yuba Pass 2011 Comment
  UC55218  Carex subfusca H. M. Hall and E. B. Babcock July, 1903 4487 Sierra Lower Sardine Lake Sierra Nevada Mountains, Sierra Buttes 1828 Comment
  CAS-BOT-BC115870  Carex subfusca Anna Head 1921-7-25 s.n. Sierra Meadows by Grassy Lake, Feather River Region. Comment
  CAS-BOT-BC115436  Carex utriculata Robert F. Thorne; L. DeBuhr; C. W. Tilforth 1972-9-20 42362 Sierra Plumas National Forest: Desiccated margin of Snag Lake. 2057 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
  CAS-BOT-BC115435  Carex utriculata Lewis Samuel Rose 1934-7-3 34325 Sierra Meadow Gold Lake 1950 Comment
  CHSC45321  Carex vesicaria L. P. Janeway 1984-8-25 1060 Sierra At Snag Lake. 2026 Comment
  CHSC45742  Carex vesicaria L. P. Janeway 1984-8-25 1082 Sierra At Snag Lake. 2026 Comment
  CAS-BOT-BC115160  Carex vesicaria Lowell Ahart 1980-9-9 2609 Sierra Rocky gorge between the outlet of Webber Lake and Little Truckee River. 2200 Comment
  JEPS49050  Carex whitneyi Leland S. Smith 1928-6-18 2362 Sierra Jones Valley Trail in Sec. 14 Tahoe Forest, Jones Valley Trail 2072 Comment
  RSA8062  Cassiope mertensiana subsp. californica H. A. Barker 1927-8-14 840 Sierra Round Lake Ridge. 2256 Comment
  CAS-BOT-BC249013  Castilleja W. Harnach; N. Harnach 1989-7-16 233 Sierra Sierra Valley. Martinetti Ranch, along side Hwy 49 1511 Comment
  CAS-BOT-BC249014  Castilleja W. Harnach; N. Harnach 1989-7-1 219 Sierra Sierra Valley. Sattley Hill 1524 Comment
  UCR270413  Castilleja applegatei John F. Emmel 2000-6-10 1656 Sierra Eastern Sierra Nevada Mountains, Dog Creek Canyon 1707 Comment
  UCD122205  Castilleja applegatei N. Hopkins 1971-6-14 208 Sierra Tahoe Forest. Road to Lemmon Cyn. 1676 Comment
  HSC97047  Castilleja applegatei subsp. pinetorum L. Ahart 2006-6-28 12879 Sierra About 3/4 mi. E of Lake Delhunty, about 2 mi. NE of Gibsonville 1904 Comment
  JEPS124086  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-5-9 20183 Sierra About 1/2 mile west of Highway 49, about 1 1/2 miles west of Indian Valley. Comment
  JEPS95348  Castilleja applegatei subsp. pinetorum Lowell Ahart 1994-7-1 7422 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
  RSA185371  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-15 7390 -A Sierra Yuba Pass. Comment
  UC614504  Castilleja applegatei subsp. pinetorum L. Constance 1938-6-9 2299 Sierra Sierra City North Fork of the Yuba River (junction of North and South Forks of the North Fork of the Yuba River) 1371 Comment
  CAS-BOT-BC243734  Castilleja applegatei var. pinetorum John Thomas Howell; Gordon H. True 1970-7-14 5536 Sierra At Verdi Peak Lookout, Verdi Range, Sierra Nevada 2560 Comment
  CAS-BOT-BC243740  Castilleja applegatei var. pinetorum Rimo Bacigalupi; Lawrence R. Heckard 1951-8-9 3487 Sierra Along State Highway No. 89, between Sierraville and Truckee, 1 mile south of Cold Creek Public Camp 1783 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
  UC124139  Castilleja arachnoidea J. G. Lemmon 1874-1 Sierra Comment
  CDA41629  Castilleja lacera G. F. Hrusa, E. Sandoval 1993-5-3 11156 Sierra Sierra Valley Region; Golden Dome E side of Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). Comment
  UCD122596  Castilleja lacera N. Hopkins 1982-6-19 209 Sierra 1 mi S of Calpine. Comment
  CAS-BOT-BC254087  Castilleja miniata Elmer I. Applegate 1921-9-7 3360 Sierra Gold Lake 1981 Comment
  CAS-BOT-BC254093  Castilleja miniata Mrs. H. C. Cantelow 1938-7-2 s.n. Sierra 2 miles east of Downieville Comment
  CAS-BOT-BC254097  Castilleja miniata George Haley 1927-8-6 s.n. Sierra Webber Lake 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
  JEPS8017  Castilleja miniata Rimo Bacigalupi with L. R. Heckard 1951-8-8 3484 Sierra 9 mi n and above Graeagle to Gold Lake road junction with Calif. Hwy. 49 (near summit of road, junction with Calif Hwy 49 (along the Yuba River), in the drainage of Frazier Creek); Frazier Creek 1920 Comment
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Jun 30 2009
  CAS-BOT-BC254094  Castilleja miniata Lewis S. Rose 1934-7-19 34388 Sierra Meadow, Gold Lake 1950 Comment
  POM202872  Castilleja miniata L. S. Rose 1934-7-13 34358 Sierra Gold Lake. 1951 Comment
  SEINET10832393  Castilleja miniata Mary Susan Taylor 1982-7-19 Taylor 4882 Sierra T19N R16E sw sec 18. Between Hwy 89 and Little Truckee River, ca. 1/4 mi n of Little Truckee Campground, ca. 12 mi sw of Sierraville. Comment
  UCD122978  Castilleja miniata F. A. MacFadden 1924-6-1 s.n. Sierra Little Truckee River, 13 miles from Truckee on Reno Road via Hobart Mills. Comment
  SEINET13276717 Image available Castilleja miniata subsp. miniata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-1 19426 Sierra Northern Sierra Nevada Mountains: along Hwy CA-89, c. 8 miles north of the Nevada County line (Sierraville 7.5' Q.) 1823 Comment
  SJSU14006  Castilleja pilosa N. A. Hopkins 1988-5-31 1410 Sierra between Beckwourth & Sattley, Sierra Valley 1493 Comment
  SEINET14164051  Castilleja pilosa var. pilosa W. Harnach, N. Harnach 1989-4-22 035 Sierra Sierra Valley, Sattley transfer station (dump). 1497 Comment
  JEPS31021  Castilleja pruinosa Frank H. Gleason 1963-6-21 17 Sierra 2.9 mi e Downieville (on dirt road 0.5 mi from Route 49, about 100 ft higher than Route 49, drainage of North Yuba River); North Yuba River 1066 Comment
  CHSC43924  Castilleja tenuis L. P. Janeway 1984-8-18 1007 Sierra Meadow near second swithback (towards southeast) down from Packers Saddle. 1981 Comment
  JEPS4521  Castilleja tenuis Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4291 Sierra from Hawley R.R. station on W.P. main line s to Loyalton (Middle of Sierra Valley); Sierra Valley 1481 Comment
  JEPS77530  Castilleja tenuis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-20 4902 Sierra about 0.5 mi w Sierraville 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
  SBBG114995  Castilleja tenuis D. H. Wilken 1998-6-25 15610 Sierra Beckwourth-Calpine Rd, flats S of Carman Crk, ca. 3 linear km NE of Calpine, Sierra Valley 1250 Comment
  SJSU12202  Castilleja tenuis N. A. Hopkins 1983-7-9 1153 Sierra c. 1 mi SW of Calpine 1524 Comment
  UCSB10362  Castilleja tenuis Bacigalupi, Rimo; Mason, H.; Sweeney, J. 1953-7-7 Sierra Near Calpine, Sierra Valley, just above and south of marshy area 1493 Comment
  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
  RSA212220  Ceanothus cordulatus L. S. Rose 1969-6-25 69056 Sierra Gold Lake. 1951 Comment
  UCR206985  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14841 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.6 miles north of the Yuba County line 902 Comment
  CAS-BOT-BC63647  Ceanothus integerrimus W. R. Dudley 1893-6-23 s.n. Sierra Castle Croq. Comment
  SEINET12211099  Ceanothus integerrimus F. H. Utech 1986-1 86 -072 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  CAS-BOT-BC52104  Ceanothus prostratus Ella Dales Cantelow 1938-7-2 2368 Sierra 16 1/2 mi. E. of Sierra City Comment
  CAS-BOT-BC52107  Ceanothus prostratus Nancy Kittle 1981-5-16 068 Sierra Intersection of Rts. 89 and 49 1650 Comment
  CAS-BOT-BC52110  Ceanothus prostratus L. B. Schmidt 1960-5-8 132 Sierra 2 miles east of Yuba Pass, on highway 49 to Sierraville. East side of highway looking down into Sierra Valley 1524 Comment
  CAS-BOT-BC52111  Ceanothus prostratus John Thomas Howell 1975-6-16 51210 Sierra on road to Dog Valley north of Mitchell Canyon Comment
  JEPS42225  Ceanothus prostratus W. L. Jepson 1918-8-18 8057 a Sierra 6 mi s Sierraville 1767 Comment
  POM285194  Ceanothus prostratus J. H. Morrison s.n. Sierra Soyalton, Sierra Nevad Mt, Sierra Valley. 1524 Comment
  RSA339127  Ceanothus prostratus Margaret J. Williams 1983-8-7 s.n. Sierra Betw Sardine Valley and Jammer Puncher Chair Flat Comment
  RSA515504  Ceanothus prostratus J. T. Howell 1975-6-16 51210 Sierra Transition zone on road to Dog Valley N of Mitchell Canyon Comment
  SEINET232458  Ceanothus prostratus M. J. Williams 1983-8-7 83- 134 -1 Sierra Between Sardine Valley and Jammer Puncher Chair Flat 1981 Comment
  SJSU12017  Ceanothus prostratus N. A. Hopkins 1975-6-21 682 Sierra between Dugans Pond & Saxonia L 1889 Comment
  UCR551  Ceanothus prostratus Frank C. Vasek 1955-6-26 254 Sierra Sierra Nevada Mountains, along Hwy 89, 10 miles north of Truckee 1860 Comment
  SEINET5339377  Ceanothus prostratus M. Demorest 1962-5-9 s.n. Sierra Dog Valley floor near meadow in wooded area. North of road in moist silty soil. 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
  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
  CAS-BOT-BC63194  Ceanothus velutinus var. velutinus Roxana S. Ferris 1926-9-7 6808 Sierra 9 mi. from Markleville on Ebbett Pass Road. Comment
  UC338820  Centaurium muehlenbergii Lemmon 1928-8-5 699 Sierra W. C. L.'s Ranch Sierra Valley (Sierra Valley) Comment
  UC1096405  Cephalanthera austiniae Ornduff 1958-6-29 5001 Sierra Brandy City Graveyard Comment
  UC1326242  Cephalanthera austiniae Theodore F. Niehaus 1965-6-24 600 Sierra n. edge of meadow at Hall's Ranch Guard Station Comment
  RSA202127  Cephalanthera austiniae Theodore F. Niehaus 1965-6-24 600 Sierra Northern edge of meadow at Halls Ranch Guard Station Comment
  RSA157733  Cerastium beeringianum T. C. Fuller 1962-6-12 8969 Sierra Little Shasta Road, 5 miles E of Montague Comment
  UCR206987  Cerastium fontanum subsp. vulgare George K. Helmkamp, E. A. Helmkamp 2009-5-28 14846 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  SEINET6336108  Cercocarpus ledifolius var. intermontanus D. Drown 1947-4-28 s.n. Sierra Dog Valley grade, 4 miles west of Verdi 1676 Comment
  CAS-BOT-BC148509  Cercocarpus ledifolius var. ledifolius W. R. Dudley 1909-8-27 s.n. Sierra Roacky moraine, Sierra Valley 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
  UCSB16112  Chaenactis douglasii Breedlove, Dennis 1962-6-13 Sierra Along State Highway 89; 3 miles south of Sierraville 1767 Comment
  CHSC290  Chaenactis douglasii var. douglasii V. Holt 1942-7-18 Sierra Gold Lake Summit. 2133 Comment
  CHSC89505  Chaenactis douglasii var. douglasii G. Douglas 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). [Original lat./long. on label is '39 31 N; 120 1 W']. 1493 Comment
  UC572365  Chaenactis douglasii var. douglasii G. T. Nordstrom 1936-7-9 929 Sierra 2 mi nw of Dog Valley; Sierraville 1981 Comment
  RSA94770  Chaenactis douglasii var. douglasii J. G. Lemmon 1874-1 119 Sierra [No locality information provided] Comment
  UCD19700  Chaenactis nevadensis Donald W. Kyhos 1967-9-2 67 -89 Sierra On road to Meadow Lake. 3.8 miles south of Webber Lake. Comment
  SJSU12239  Chamaesaracha nana N. A. Hopkins 1982-7-27 1099 Sierra 0.5 mi S of fire lookout station on Babbitt Peak, Bald Mt Range 2621 Comment
  SEINET9444785  Chamaesyce serpyllifolia W. Harnach, N. Harnach 1990-7-30 493 Sierra Sierra Valley. Sierraville near end of Willow St.,Hamlin Creek area. 1570 Comment
  CAS-BOT-BC165976  Chamerion angustifolium H. Albert Barker 1926-7-8 73 Sierra Gold Lake Ridge 2011 Comment
  CAS-BOT-BC166015  Chamerion angustifolium subsp. circumvagum W. Harnach; N. Harnach 1990-7-30 491 Sierra Sierra Valley. Hamlin Creek area 1569 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
  UC71226  Cheilanthes gracillima J. G. Lemmon Aug. 1880 Sierra mts around Webber Lake 2438 Comment
  HSC93427  Chenopodium atrovirens Vernon H. Oswald, L. Ahart 1996-8-19 8212 Sierra N High Sierra Nevada, Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 0.6 mi. N of the Rd. to Haypress Valley. 2226 Comment
  CHSC10777  Chimaphila umbellata Lowell Ahart 1968-7-12 Sierra Near Poverty, 10 miles from La Porte. 762 Comment
  JEPS58869  Chimaphila umbellata W. L. Jepson 1934-8-3 16830 Sierra Pioneer Rd. Station 2 mi. e. Bassett Station ( N. Fork Yuba River) 1706 Comment
Read comments
Dec 26 2016
  SEINET8973681  Chrysolepis sempervirens E. V. A. Murphey 1937-8-23 599 Sierra Kit Carson camp on road to Luther Pass, CA 1829 Comment
  CAS-BOT-BC279820  Chrysothamnus W. R. Dudley 1894-9-2 s.n. Sierra Near Cory's Station, road Truckee to Webber Lake Comment
  POM129333  Chrysothamnus nauseosus subsp. albicaulis Roxana S. Ferris 1926-9-7 6840 Sierra Site of old town of Silver Mountain. Comment
  SEINET10816194  Chrysothamnus parryi subsp. nevadensis Karen M. Meyer, Andrew Townesmith 2007-7-15 Meyer 117 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  CAS-BOT-BC100848  Chrysothamnus viscidiflorus subsp. viscidiflorus F. A. MacF. 1934-7-18 12595 Sierra Truckee River, Highway from Truckee to Reno Comment
  UCD22393  Chrysothamnus viscidiflorus subsp. viscidiflorus Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1315 Sierra Along Hwy 49 NE of the town of Sierraville, ca. 2 road miles from town. Roadside. 1524 Comment
  CAS-BOT-BC100850  Chrysothamnus viscidiflorus subsp. viscidiflorus W. R. Dudley 1909-8-29 s.n. Sierra Sierra Valley Comment
  UC333234  Cinna latifolia unknown Sierra Sierra Comment
  JEPS43893  Circaea alpina subsp. pacifica W. L. Jepson 1934-8-2 16806 Sierra 2 mi. e. Bassett Station (Pioneer rd. sta., N. Fork Yuba R.); N. Fork Yuba R. Comment
  UCR249145  Circaea alpina subsp. pacifica George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20761 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  SEINET4142583  Circaea alpina var. pacifica W. Harnach, N. Harnach 1990-6-30 458 Sierra Sierra Valley, Yuba Pass 2042 Comment
  CAS-BOT-BC286270  Cirsium scariosum H. M. Hall; E. B. Babcock 1903-7-1 4525 Sierra Sierra Nevada Mountains. Little Truckee River 1920 Comment
  CAS-BOT-BC438973  Cistanthe monosperma Mrs. E. C. Sutliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC438974  Cistanthe monosperma Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC228948  Cistanthe umbellata Roxana S. Ferris 1926-9-7 6845 Sierra Summit of Ebbetts Pass Comment
  UCR210410  Clarkia gracilis J. R. Shevock, Barbara Ertter 1986-6-1 11536 Sierra Northern Sierra Nevada Mountains, along CA Hwy 49, southeast slide of Sierra Valley at Rice Hill between Loyalton and Sierraville 1650 Comment
  CAS-BOT-BC163182  Clarkia lassenensis W. Harnach; N. Harnach 1990-6-10 358 Sierra Sierra Valley. Balderson Ranch (Antelope Valley) 1645 Comment
  SEINET4145447  Clarkia lassenensis W. Harnach, N. Harnach 1990-6-10 358 Sierra Sierra Valley, Balderson Ranch (Antelope Valley) 1646 Comment
  UC585175  Clarkia lassenensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-5 1732 Sierra 2 mi s Loyalton (near junction of Smithneck and Bear Valley Creek, se edge of valley); Sierra Valley 1600 Comment
  SEINET12189198  Clarkia lassenensis J. G. Lemmon 1874-1 s.n. Sierra 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
  UCR249166  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
  UCD84482  Claytonia lanceolata Chuck Hughes 2010-7-3 156 Sierra Near Pacific Crest Trail, above Deer Lake. 2240 Comment
  UCR53721  Claytonia parviflora subsp. parviflora B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-28 0891 Sierra Sierra Nevada Mtns., Convict Flat Picnic Area, on North Yuba River, 12 mi NE of Camptonville on Hwy 49 780 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
  SJSU12149  Claytonia rubra subsp. rubra N. A. Hopkins 1982-5-14 1046 Sierra 1.5 mi SW of Calpine, Sierra Valley 1524 Comment
  CAS-BOT-BC92561  Clematis ligusticifolia Carl B. Wolf 1937-8-6 9052 Sierra Northern Sierra Nevada, north fork of Yuba River, 5 miles above Downieville. 1066 Comment
  CAS-BOT-BC238053  Collinsia George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CHSC43567  Collinsia tinctoria Lowell Ahart 1978-6-4 1763 Sierra East of the Foote Road, about 5 miles south of Alleghany. 1219 Comment
  UCR63639  Collinsia torreyi B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0960 Sierra Sierra Nevada Mtns., Plumas National Forest, c. l mi. south of Sierra County line on Hwy 89 1585 Comment
  JEPS85213  Collinsia torreyi var. wrightii Roy E. Buck, Steven Lee, Eric Smith, Andrea Gargas, et al. 1986-8-3 550 Sierra 4/7 air km sse Yuba Pass (edge of meadow, upper Lincoln Meadow complex); Lincoln Meadow complex 2225 Comment
  UCD84481  Collinsia torreyi var. wrightii Chuck Hughes 2010-7-3 157 Sierra Next to trail between Upper Salmon Lake and Deer Lake. 2023 Comment
  SEINET12345957  Collomia heterophylla J. G. Lemmon 1874-1 180 Sierra Comment
  CHSC108097  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
  CHSC73804  Collomia tinctoria B. Castro; M. A. Griggs 1997-7-10 755 Sierra Bunker Hill Ridge, on lower SW-facing slope between Duck Soup Pond and the ridge crest, along Pacific Crest Trail. 2072 Comment
  SEINET6418330  Comarum palustre W. Harnach, N. Harnach 1989-6-24 176 Sierra 0.5 miles S of Sattley, Martinetti Ranch (Elvers) 1518 Comment
  JEPS78069  Convolvulus arvensis Gary W. Zamzow 1972-7-11 76 Sierra 2.9 mi n Sattley (on road toward Loyalton) 1524 Comment
  JEPS124863 Image available Convolvulus arvensis P. L. Billings 1965-6-29 11 Sierra Collected .3 mile east of Goodyear's Bar on Hwy 49. Comment
  JEPS124869 Image available Convolvulus arvensis Himayat H. Naqvi 1965-6-29 69 Sierra About 2 miles below Downieville on highway 89, growing just on the roadside in population with no associates. Comment
  UC66454  Corallorhiza maculata P. B. Kennedy and S. B. Doten 1901-7-18 170 Sierra Webber Lake Comment
  SEINET6166291  Corallorhiza maculata P. B. Kennedy, S. B. Doten 1901-7-18 170 Sierra Near Webber Lake Comment
  UC336581  Corallorhiza striata unknown Aug. 1875 Sierra Webber Lake Comment
  SJSU12242  Cordylanthus tenuis N. A. Hopkins 1982-7-31 1109 Sierra c. 1 mi SW of Calpine 1524 Comment
  UC1122785  Cornus nuttallii A. Lewis 1934-7-5 499 Sierra 2 2/10 mi. n.e. Poverty Hill; Plumas Nat'l Forest, Downieville Quad. Comment
  CAS-BOT-BC210386  Cornus sericea Lewis S. Rose 1934-6-29 34292 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC212152  Cornus sericea H. Albert Barker July 3 49 Sierra Packer Lake 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
  JEPS124848 Image available Cornus sericea subsp. sericea John Degenfelder 1969-6-27 36 Sierra Found along rocky stream coming out of upper sardine lake, near Gold Lake Road and junction with highway 49. Comment
  SEINET8480663  Cornus sericea var. sericea M. J. Williams 1969-9-13 s.n. Sierra Webber Lake 2065 Comment
  POM161768  Corydalis caseana R. C. Bacigalupi 1927-7-2 1628 Sierra Slopes above north fork of Yuba River, halfway between Downieville and Sierra City Comment
  SEINET5339232  Corydalis caseana W. D. Billings 1951-7-20 2127 Sierra Along edge of small cold brook. 1 mile NW of Lincoln Valley. 2073 Comment
  CAS-BOT-BC401885  Corydalis caseana subsp. caseana Lillian S. Mott 1965-8-8 6561 Sierra Butcher Creek Ranch Trail Comment
  CAS-BOT-BC290469  Crepis acuminata John Thomas Howell; Gordon H. True 1970-7-14 5543 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  UC346526  Crepis acuminata E. B. Babcock 1928-6-12 123 Sierra Newman Point Sierra Valley (along road to Loyalton) 1767 Comment
  UC346506  Crepis bakeri E. B. Babcock 1928-6-13 141 Sierra along Lemmon Canyon rd 100 yd n forest bound. (s slope of mt.); Tahoe Nat. For., Sardine Pk. Comment
  UCD130925  Crepis bakeri Grady L. Webster 1990-5-13 7728 Sierra Sierra Valley, 0.5 mile west of Sierraville. 1508 Comment
  UC346505  Crepis bakeri subsp. bakeri E. B. Babcock 1928-6-13 142 Sierra along Lemmon Canyon rd 100 yd n forest bound. (s slope of mt.); Tahoe Nat. For., Sardine Pk. Comment
  UC346517  Crepis bakeri subsp. bakeri E. B. Babcock 1928-6-12 132 Sierra Near and south of Newman Pk. along road Sierraville to Loyalton, Sierra Valley Comment
  CAS-BOT-BC291570  Crepis intermedia Alice Eastwood 1918-6-29 7905 Sierra Loyalton Comment
  UC346570  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
  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
  UC346525  Crepis intermedia E. B. Babcock 1928-6-12 124 Sierra Newman Pt. Sierra Valley (along road to Loyalton) Comment
  UC346541  Crepis intermedia E. B. Babcock and M. Navashin 1928-6-22 173 Sierra Reno rd. 12.8 mi fr. jct. <with> Loyalton rd. ((Sierraville)); Lemmon Canyon Comment
  UC346542  Crepis intermedia E. B. Babcock 1928-6-22 174 Sierra Reno rd 12.8 mi fr. jct. <with> Loyalton rd. ((Sierraville)); Lemmon Canyon Comment
  UC581251  Crepis modocensis G. L. Stebbins Jr. and J. A. Jenkins 1937-5-21 2115 Sierra 3 1/2 mi ne Sierraville (on road to Loyalton); Newman Point 1515 Comment
  UC346512  Crepis modocensis subsp. subacaulis E. B. Babcock 1928-6-13 137 Sierra along Lemmon Canyon rd. 100 yd n Forest Boundary (s slope of peak); Tahoe Nat. For., Sardine Pk. Comment
  CAS-BOT-BC291599  Crepis modocensis subsp. subacaulis Lowell Ahart 1977-8-2 1308 Sierra Near the summit of Mt. Fillmore, about 12 miles northeast of La Porte 731 Comment
  POM308732  Crepis modocensis subsp. subacaulis Betty J. Jorgensen 1944-6-22 469 Sierra Little Truckee River, 10 miles N of Hobart Mills. Comment
  UC581252  Crepis modocensis subsp. subacaulis G. L. Stebbins Jr. and J. A. Jenkins 1937-5-23 2159 Sierra Casey's Mill Balls Creek (woods about, head of creek, between Loyalton and Purdy) 1820 Comment
  CHSC73746  Crepis occidentalis B. Castro; M. A. Griggs 1997-7-10 762 Sierra Bunker Hill Ridge, on ridge crest E of Duck Soup Pond, along Pacific Crest Trail. 2118 Comment
  JEPS36482  Crepis occidentalis L. S. Smith 1927-6-26 2045 Sierra above Loyalton road; Tahoe <National> Forest, Sierra Valley 1676 Comment
  SJSU12002  Crepis occidentalis N. A. Hopkins 1976-6-22 836 Sierra 2 mi N of Sattley, Sierra Valley 1493 Comment
  UC346511  Crepis occidentalis subsp. occidentalis E. B. Babcock 1928-6-12 136 Sierra nr. and s Newman Pt. (along rd. <from> Sierraville to Loyalton); Sierra Valley 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
  CAS-BOT-BC290810  Crepis occidentalis subsp. pumila E. B. Babcock; G. L. Stebbins, Jr. 1936-6-3 1648 Sierra 1 mile northeast of Sattley Comment
  CHSC94224  Crepis pleurocarpa Lowell Ahart 2006-6-28 12881 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
  UC176435  Crepis runcinata subsp. andersonii A. A. Heller and P. B. Kennedy 1907-7-1 8666 Sierra Purdy Comment
  UC194653  Crepis runcinata subsp. imbricata unknown Aug. 1881 Sierra Sierra Valley Comment
  SEINET5343725 Image available Crepis runcinata var. andersonii A. A. Heller, P. B. Kennedy 1907-7-1 8666 Sierra Purdy Comment
  SEINET5343726 Image available Crepis runcinata var. andersonii A. A. Heller, P. B. Kennedy 1907-7-1 8666 Sierra Purdy Comment
  CAS-BOT-BC189266  Cryptantha W. Harnach; N. Harnach 1990-6-6 342 Sierra Martinetti Ranch, Sierra Valley 1517 Comment
  CHSC54552  Cryptantha affinis Lowell Ahart 1991-7-22 6691 Sierra In French Meadow, about 1/10 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  SJSU13885  Cryptantha affinis N. A. Hopkins 1985-7-3 1289 Sierra between Sierraville & Lemon Valley c. 2 mi E of Sierraville Comment
  CHSC46750  Cryptantha echinella Lowell Ahart 1981-6-23 2866 Sierra Johnsville road, there is a small triangle shaped hill to the south of the road, south of Stafford Mountain, about 12 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC70474  Cryptogramma acrostichoides John Thomas Howell 1969-9-13 46131 Sierra Near the southwest end of Webber Lake 2072 Comment
  CAS-BOT-BC70477  Cryptogramma acrostichoides Mrs. E. C. Sutliffe 1927-10-1 s.n. Sierra Salmon Lake 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
  UC1609392  Cryptogramma acrostichoides Lowell Ahart 1993-9-24 7241 Sierra ca. 3/4 mi s. of dirt rd. from Gibsonville to Johnsville (w. side of rd. that ends in a stream, n. side Mt. Fillmore) 2133 Comment
  CAS-BOT-BC70470  Cryptogramma acrostichoides L. P. Janeway 1992-10-27 4319 Sierra Near top of peak along the ridgetop between Mills Peak and Haskell Peak, about 1.5 mi southeast of Mills Peak 2209 Comment
  CAS-BOT-BC215947  Cuscuta californica John Thomas Howell 1969-9-13 46101 Sierra Little Truckee River near outlet of Webber Lake, Sierra Nevada 2042 Comment
  CHSC37220  Cuscuta californica L. Ahart 1982-7-28 3703 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  JEPS94399  Cuscuta subinclusa Vernon Oswald and Lowell Ahart 1997-8-19 8832 Sierra 3 air mi ne of Alleghany (County Road 309 on Pliocene Ridge 0.1 mi sw of Henness Pass Road (County Road 302)); Pliocene Ridge, County Road 309 1706 Comment
  CAS-BOT-BC65020  Cusickiella douglasii W. Harnach; N. Harnach 1989-4-22 40 Sierra Sierra Valley. Van Vleck Ranch. 1498 Comment
  SEINET11242520  Cusickiella douglasii W. Harnach, N. Harnach 1989-4-22 040 Sierra Sierra Valley, Just S of the Calpine Rd./Co. Rd. A-23 intersection, Van Vleck Ranch. 1498 Comment
  CHSC105186  Cycladenia humilis B. Castro; L. P. Janeway 1997-9-14 786 Sierra South flank of Stafford Mtn, just above the Gibsonville-Jonesville Rd. 1859 Comment
  SEINET7924513  Cycladenia humilis H. Hamlin 1413 Sierra Sierra Valley. Hamlin Ranch was near Sierraville Comment
  JEPS82070  Cycladenia humilis var. humilis Paul C. Hutchison and Rimo Bacigalupi 1982-8-9 8442 Sierra 12 mi. n. by logging rd. Downieville (bottom of rd. to lookout just w. of summit, Saddleback Mt.); Saddleback Mt. 1798 Comment
  UCD127375  Cymopterus terebinthinus var. californicus P. B. Kennedy 1927-5-30 s.n. Sierra Sierra Butte, Sardine Lake. 1981 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
  UC1100559  Cyperus squarrosus Herbert L. Mason 1952-8-17 14495 Sierra 1 1/2 mi. e. Calpine (junction of Calpine and Sierraville, Beckworth Rd.); Sierra Valley Comment
  UC1371056  Cypripedium fasciculatum Theodore F. Niehaus 1959-6-18 130 Sierra just w Eureka diggins (n-facing slope) Comment
  UC75790 Image available Cypripedium parviflorum var. makasin Miss M. Alice King 1892-6-5 Sierra Union Hill Comment
  JEPS125818  Cystopteris fragilis William Harnach 2015-9-2 1447 Sierra 1.6 miles North-East on Highway 49 from Yuba-Sierra Co. line, then approximately 1 mile on the Indian Hill Road. Comment
  CAS-BOT-BC70704  Cystopteris fragilis J. G. Lemmon 1880-1-1 s.n. Sierra Mtns. of Webber Lake Comment
  SJSU4991  Cystopteris fragilis N. A. Hopkins 1968-7-5 158 Sierra 0.5 mi W of Packer Lake 2072 Comment
  CDA4060  Cytisus scoparius T. C. Fuller 1962-6-14 9022 Sierra On slope north of Highway 49 to Sierra City, 5.3 miles east of Downieville. 0 Comment
  UC115527  Damasonium californicum J. G. Lemmon 1875-1 Sierra Comment
  CHSC108115  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
  SEINET4566576  Danthonia californica var. americana W. D. Billings 1951-7-8 2112 Sierra South of Water Lake 2073 Comment
  UCD60517  Danthonia californica var. californica G. Schoolcraft 2000-6-25 2908 A Sierra Knuthson Meadow, W of Sierra Valley. 1524 Comment
  SEINET4566622  Danthonia unispicata W. Harnach, N. Harnach 1989-5-18 098 Sierra 0.5 miles E of Calpine, Calpine Ranch (home), Sierra Valley 1506 Comment
  SJSU14309  Danthonia unispicata N. A. Hopkins 1989-6-15 1534 Sierra c. 1.5 mi SW of Calpine, Sierra Valley 1524 Comment
  UCD150061  Danthonia unispicata Ayzik Solomeshch; B. Holland, J. Buck, C. Caria, T. Collins 2009-6-9 s.n. Sierra North of the town of Sierraville. 1498 Comment
  UCD119079  Darlingtonia californica Barry Rice 2011-6-26 BR 110601 Sierra Harris Meadow. 1880 Comment
  UCD161457  Darlingtonia californica Barry Rice 2013-7-12 BR 130706 Sierra just north of the road NF98. 1760 Comment
  CAS-BOT-BC173282  Delphinium W. Harnach; N. Harnach 1991-7-14 633 Sierra Sierra Valley. Coburn Lake, approx 1/4 below outlet to lake 2280 Comment
  JEPS23398  Delphinium Leland S. Smith 1925-5-21 1585 Sierra meadow near Sierraville (s arm of Valley); Sierra Valley 1524 Comment
  CHSC64177  Delphinium andersonii H. H. Schmidt; M. Merello, L. Woodruff 1993-6-12 837 Sierra Tahoe National Forest. Road to Weber Lake. 3.2 miles W of state highway 89. 1950 Comment
  UCD38327  Delphinium andersonii Beecher Crampton 1954-5-10 1860 Sierra 1.5 miles north of Sattley. Along Hwy. 89. Comment
  CAS-BOT-BC1418  Delphinium andersonii L. S. Smith 1927-5-30 2059 Sierra Sierra Valley, east of Nichols, Tahoe National Forest 1828 Comment
  CAS-BOT-BC1423  Delphinium andersonii W. Harnach; N. Harnach 1989-4-15 027 Sierra Sierra Valley. County line on road A-23. 1524 Comment
  SEINET5337953  Delphinium andersonii A. D. Bruner 1962-5-9 s.n. Sierra Dog Valley 1829 Comment
  CAS-BOT-BC8931  Delphinium depauperatum George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  SJSU3298  Delphinium depauperatum H. T. Shishido 1961-5-20 40 Sierra 1 mi S of Sierra City on Milton Cr Trail 1310 Comment
  SEINET5338014  Delphinium glaucum P. B. Kennedy, Samuel Bradford Doten 1901-7-24 228 Sierra Lincoln Valley 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
  CAS-BOT-BC9879  Delphinium nudicaule D. E. Breedlove 1962-6-13 3483 Sierra Along state highway 89, 9.3 miles north of Sierraville 1524 Comment
  CAS-BOT-BC116537  Delphinium nuttallianum Catherine Best 1982-7-10 703 Sierra Near the Little Truckee River about 15 mi. orthwest of Truckee Comment
  POM270652  Delphinium nuttallianum J. H. Morrison s.n. Sierra Soyalton, Sierra Nevad Mt, Sierra Valley. 1524 Comment
  SEINET5338060  Delphinium nuttallianum P. B. Kennedy, Samuel Bradford Doten 1901-7-8 132 Sierra [Sierra Nevada] Webber Lake Comment
  UCSB15814  Delphinium nuttallianum Breedlove, Dennis 1962-6-13 Sierra along State Highway 89; 9.3 miles north of Sierraville 1524 Comment
  UCSB16008  Delphinium nuttallianum Breedlove, Dennis 1962-6-13 Sierra along State Highway 89; 10.0 miles south of Sierraville 1950 Comment
  JEPS125784  Delphinium patens subsp. patens William Harnach 2015-5-20 1415 Sierra Approximately 0.25 miles north of the intersection of Henness Pass Road and the Mountain House Road on Mountain House Road. South of Goodyears Bar. Comment
  CAS-BOT-BC274046  Deschampsia cespitosa R. F. Thorne; C. W. Tilforth; Larry E. DeBuhr 1972-9-20 42358 Sierra Plumas National Forest: Moist margin of pond N of Goose Lake 2058 Comment
  UCD61156  Deschampsia cespitosa P. B. Kennedy 1929-7-20 Sierra Salmon Lakes. Comment
  RSA286321  Deschampsia cespitosa subsp. cespitosa R. F. Thorne 1974-7-30 45050 Sierra Tahoe National Forest: Goose, Haven and Snag Lake areas; shallow, grassy lake E. of highway. 2058 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
  CAS-BOT-BC192642  Deschampsia danthonioides Catherine Best 1982-7-10 704 Sierra Near the Little Truckee about 15 mi. northwest of Truckee 1950 Comment
  CAS-BOT-BC201927  Deschampsia elongata Gordon H. True 1971-9-7 7054 Sierra Mt. Lola Trail in Cold Stream Canyon 2286 Comment
  UCD63480  Deschampsia elongata Elizabeth Wilson 1939-7-13 Sierra 6 mi. north of Gold Lake. Comment
  CAS-BOT-BC39737  Descurainia californica John Thomas Howell; Gordon H. True 1970-7-14 5552 Sierra Verdi Peak Road ca. 1 mile below Lookout. 2499 Comment
  UCR257833  Descurainia incana George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19505 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 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
  SEINET5339618  Dicentra formosa M. Humphreys 1950-4-30 20 Sierra 1 mile north of Downieville. 914 Comment
  CAS-BOT-BC402469  Dicentra formosa subsp. formosa Alice Eastwood 1918-4-6 6764 Sierra Downieville Comment
  RSA433579  Dicentra formosa subsp. formosa Glenn A. Gorelick 1967-6-17 s.n. Sierra Shenanigan Flat, 2 miles west of Indian Valley Comment
  CAS-BOT-BC402589  Dicentra uniflora Mrs. E. C. Sutliffe 1927-6-1 s.n. Sierra Salmon Lake Comment
  SJSU6436  Dicentra uniflora N. A. Hopkins 1971-6-20 414 Sierra 0.25 mi S of Packer L 1889 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
  SEINET12050177  Dichelostemma congestum F. H. Utech 1986-1 86 -079 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  JEPS125767  Dichelostemma multiflorum William Harnach 2014-6-14 1391 Sierra Approximately 0.25 miles from West Main St. on Reservoir Road, Calpine. Comment
  SEINET8655754  Dichelostemma multiflorum W. Harnach 2014-6-14 1391 Sierra Approx 0.25 miles from west Main St. on Reservoir Road, Calpine. 1573 Comment
  SBBG92349  Diplacus grandiflorus B. Pitzer, S. Morgan, H. Soldan 1988-5-28 901 Sierra Convict Flat Picnic area, 12 mi NE of Camptonville, on St Hwy 49; on N Yuba River Comment
  SD129533  Diplacus grandiflorus B. Pitzer, S. Morgan & H. Soldan 1988-5-28 901 Sierra Convict Flat Picnic Area, 12 mi. NE of Camptonville, on Hwy 49. On the North Yuba River, roadcut 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-BC151869  Diplacus mephiticus F. A. Mac Fadden 1934-6-29 12575 Sierra Little Truckee River, 13 miles from Truckee via Hobart Mills Comment
  CAS-BOT-BC151641  Diplacus torreyi Belle R. Jackson 1932-6-1 s.n. Sierra Yuba Pass Comment
  CAS-BOT-BC154013  Diplacus torreyi Rimo Bacigalupi 1927-7-2 1613 Sierra Along north fork of Yuba River halfway between Downieville and Sierra City Comment
  CAS-BOT-BC136083  Dodecatheon alpinum W. Harnach; N. Harnach 1989-5-13 085 Sierra Sierra Valley, Martinetti Ranch (Elvers). 1517 Comment
  CAS-BOT-BC136084  Dodecatheon alpinum W. Harnach; N. Harnach 1990-6-30 429 Sierra Sierra Valley, Yuba pass 2042 Comment
  CAS-BOT-BC136087  Dodecatheon alpinum D. E. Breedlove 1962-6-13 3502 Sierra 4.2 miles north of Sierraville along State Highway 89 1524 Comment
  RSA286298  Dodecatheon alpinum Robert F. Thorne 1974-7-30 45055 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  SEINET8553007  Dodecatheon alpinum W. Harnach 1989-5-13 085 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (Elvers). 1518 Comment
  SEINET8553072  Dodecatheon alpinum W. Harnach, N. Harnach 1990-6-30 429 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  UC338304  Dodecatheon alpinum unknown 1889-6-8 Sierra Gold Lake Comment
  UCSB16003  Dodecatheon alpinum Breedlove, Dennis 1962-6-13 Sierra along the Little Truckee River south of Sierraville on State Highway 89; Sierra Nevada 1950 Comment
  SEINET8552882  Dodecatheon alpinum J. H. Robertson 1950-5-22 s.n. Sierra Dog Valley. 2042 Comment
  SJSU9800  Dodecatheon hendersonii C. W. Sharsmith 1982-5-30 8652 Sierra 1.25 mi NW of Sattley, Sierra Valley 1524 Comment
  UC1277994  Downingia bacigalupii B. Crampton 1957-7-24 4403 Sierra 3 mi ne Sattley; Sierra Valley Comment
  UCD21016  Downingia bacigalupii E. Bortiri 2002-7-4 WFC 64 Sierra Knuthson Meadows, Carman Valley, near Calpine, Sierra Co. Comment
  UCD84184  Downingia bacigalupii 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
  UCR242993  Downingia bacigalupii 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
  RSA296365  Downingia bacigalupii Rimo Bacigalupi, J. R. Sweeney, H. L. Mason 1953-7-7 4276 Sierra West side of Sierra Valley, along road from Sattley to Beckwourth, about 1 mile S of junction westward to Calpine. 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
  UC1244011  Downingia bicornuta var. bicornuta John H. Weiler, D. Willits, and F. Safwat 1959-6-20 59187 Sierra 3.8 mi ne Sattley (0.25 mi off Sattley-Beckwith road) 1524 Comment
  UCD84180  Downingia bicornuta var. bicornuta 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
  JEPS124624 Image available Downingia bicornuta var. bicornuta Mark Wheelis 1964-7-7 Sierra 2 miles west on the Beckworth Pass road from junction of A2. 50' north of road. Comment
  HSC60617  Downingia elegans Carl Wishner 1978-6-30 522 Sierra 5 mi. N of Calpine 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
  UC1586489  Draba albertina Lowell Ahart 1991-7-22 6673 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  RSA109815  Draperia systyla E. K. Balls, Lee W. Lenz 1956-6-20 21847 Sierra 2 miles northeast of Sierra City along State Highway 49. 1433 Comment
  UCD119188  Draperia systyla N. Hopkins 1975-7-24 155 Sierra By Woodruff Creek, 0.5 mi S of its confluence with Rock Cr. Comment
  RSA21694  Draperia systyla Carl B. Wolf 1937-8-6 9054 Sierra Northern Sierra Nevada, north fork of Yuba River, 5 miles above Downieville. 1067 Comment
  UCD99535  Drosera rotundifolia P. B. Kennedy 1919-8-1 s.n. Sierra Bear Camp, maring of pond below Stephens Meadow in Sierra National Forest. 2590 Comment
  SJSU13871  Drymocallis glandulosa var. reflexa N. A. Hopkins 1985-7-3 1287 Sierra between Sierraville & Lemon Valley c. 2 mi E of Sierraville Comment
  CAS-BOT-BC142031  Drymocallis lactea Leah D. McKee 1981-5-16 045 Sierra .5 miles east of Jct. w/Rd. to Calpine, Jct. 89 & 49 Hwy. 1554 Comment
  JEPS110146  Drymocallis lactea var. austiniae Lowell Ahart 2006-6-28 12870 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1784 Comment
  SEINET6691563  Drymocallis lactea var. austiniae W. Harnach, N. Harnach 1992-5-10 680 Sierra Located off the road on the way to Earl Jeanettes (Mtn. Quail Rd.) to the south of Calpine 1524 Comment
  SEINET6691729  Drymocallis lactea var. lactea P. B. Kennedy, S. B. Doten 1901-7-23 210 Sierra Lincoln Valley Comment
  CAS-BOT-BC159279  Drymocallis lactea var. lactea Gordon H. True 1967-7-31 3685 Sierra Verdi Peak Road, 3.2 miles below summit 2407 Comment
  CAS-BOT-BC159280  Drymocallis lactea var. lactea W. Harnach; N. Harnach 1991-7-14 641 Sierra Coburn Lake, approx 1/4 below outlet to lake, Sierra Valley 2279 Comment
  SEINET10568353  Dryopteris arguta John G. Lemmon 1872-1 Lemmon s.n. Sierra Clefts of rocks, Sierra. Comment
  UCR54288  Dudleya cymosa B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0937 Sierra Tahoe National Forest, 3.5 mi east of Downieville on Hwy 49. 1220 Comment
  JEPS124759 Image available Dudleya cymosa B. Corwin 1964-6-25 92 Sierra Rock outcrops along north side of Highway 49, 3 1/2 miles east of Downieville. South-facing slope. Opposite north fork Yuba River. 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
  CDA2013  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. 0 Comment
  UC1112283  Elatine brachysperma Herbert L. Mason 1952-7-19 14448 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth Rd); Sierra Nevada, Sierra Valley Comment
  SEINET5060421  Elatine gracilis Unknown 1952-8-17 14494 Sierra 0.4 mile S of Little Truckee River Bridge 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
  CAS-BOT-BC494101  Eleocharis acicularis William Harnach 2002-6-1 1076 Sierra Sierra Valley. Upper reaches of Knuthson Meadow (commonly called Carmen Valley), approx. 3 mi NE of Calpine 1520 Comment
  SEINET11753133  Eleocharis acicularis J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. [no further locality] Comment
  SEINET13710438  Eleocharis acicularis var. acicularis Lowell William Ahart, Lowell William Ahart 2000-1 8562 Sierra 1.5 Mi. SE of Pilot Peak, 7.5 Mi. NE of La Porte (T22N, R10E, sec 15, SW 1/4) 6000 Ft. 1829 Comment
  CHSC78295  Eleocharis decumbens Lowell Ahart 2000-7-13 8587 Sierra In a small boggy meadow, on a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany. 1615 Comment
  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
  SEINET13710006  Eleocharis decumbens Lowell William Ahart, Lowell William Ahart 2000-1 8587 Sierra W Side Forest Hwy 98 about 7 Mi. NE of Alleghany (T19N, R11E, sec 10, SW 1/4) 5300 Ft. 1615 Comment
  UC965657  Eleocharis engelmannii var. detonsa Herbert L. Mason 1952-7-19 14446 Sierra 1.5 mi W of Calpine (at junction of Calpine with Sierraville-Beckworth road); Sierra Valley 1524 Comment
  CHSC112059  Eleocharis engelmannii var. engelmannii L. P. Janeway 2014-6-23 11408 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Grove Creek, just north of Pine Grove Ceme-tery, 1.3 air-km west-northwest of Howland Flat. 1646 Comment
  CAS-BOT-BC112756  Eleocharis macrostachya Fred Sommers 1976-7-29 187 Sierra Sierra Valley Marsh, along Dyson Lane 1524 Comment
  SEINET10466724  Eleocharis macrostachya John Thomas Howell 1955-7-20 Howell 30886 Sierra Near Colpine, 4950 feet. 1510 Comment
  CHSC109881  Eleocharis obtusa Lowell Ahart 2012-9-18 18454 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
  SEINET13710111  Eleocharis obtusa Lowell William Ahart, Lowell William Ahart 2001-1 9302 Sierra Ponds in Bottom of Poverty Hill Hydraulic Gold Mine, 4 Air Mi. S of La Porte (T21N, R9E, sec 32, SW 1/4) 5000 Ft. 1524 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
  JEPS98513  Eleocharis quinqueflora Lowell Ahart 2000-7-13 8589 Sierra In a small boggy meadow, on a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany. 1615 Comment
  SEINET3441888  Eleocharis quinqueflora Unknown 2000-7-13 8589 Sierra Alleghany, Alleghany, about 7 air miles northeast, Harris Meadow, upper west branch of Black Jack Ravine, on the west side of Forest highway 98 1610 Comment
  CHSC80982  Elodea canadensis Lowell Ahart 2001-8-10 9085 Sierra At 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
  UCD138117  Elodea canadensis N. Hopkins 1976-9-17 888 Sierra Mudflats, Packer Lake inlet. 1828 Comment
  JEPS78088  Elodea nuttallii Gary W. Zamzow 1972-7-11 73 Sierra 1.2 mi n Sattley (on road toward Loyalton) 1524 Comment
  CAS-BOT-BC227903  Elymus elymoides Lowell Ahart 1982-7-28 3704 Sierra About 0.25 mi. N of the Pacific Mine, ca 5 mi. E of La Porte 1700 Comment
  CAS-BOT-BC227904  Elymus elymoides W. Harnach; N. Harnach 1990-6-30 430 Sierra Sierra Valley. Yuba Pass 2042 Comment
  CAS-BOT-BC227907  Elymus elymoides Lowell Ahart 1977-8-2 1506 Sierra Mt. Fillmore is about 12 miles north-east of La Porte 2000 Comment
  UCD21021  Elymus elymoides E. Bortiri 2002-7-7 WFC 69 Sierra Knuthson Meadows, Carman Valley, near Calpine, Sierra Co. Comment
  CAS-BOT-BC207368  Elymus elymoides subsp. californicus L. P. Janeway 1984-8-19 1053 Sierra Meadow at the second switchback down the road from Packers Saddle towards Packer Lake. 1981 Comment
  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
  UC1132966  Elymus elymoides subsp. elymoides G. T. Nordstrom 1936-7-9 906 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  POM267988  Elymus glaucus D. D. Keck 1944-7-8 5410 Sierra E. side of Yuba Pass (2 miles N.W. of Sattley) 1616 Comment
  UCR249648  Elymus glaucus var. glaucus George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20772 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CAS-BOT-BC213809  Elymus repens T. C. Fuller 1963-8-28 11175 Sierra Bet. RR tracks and adj. alfalfa field, NE limits of Loyalton Comment
  CDA31737  Elymus trachycaulus T. C. Fuller 1963-7-17 10928 Sierra North side of Dog Valley Rd., 1.0 miles northwest of Verdi, Nevada, just west of stateline in Sierra County. 0 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
  CDA2065  Elytrigia repens T. C. Fuller 1963-8-28 11175 Sierra Between railroad tracks and adjacent alfalfa field, Loyalton. 0 Comment
  NY69931  Ephedra viridis J. G. Lemmon 1874-1 s.n. Sierra Sierra County and vicinity Comment
  JEPS43876  Epilobium anagallidifolium L. S. Smith 1928-1 2436 Sierra summit Tahoe <National> Forest, Yuba Pass 2042 Comment
  UC1122550  Epilobium brachycarpum H. S. Yates 1935-6-28 5271 Sierra 5 1/4 mi nne Sattley; Sierraville Quadrangle Comment
  RSA458696  Epilobium brevistylum L. S. Rose 1934-7-2 34302 Sierra Gold Lake. 1951 Comment
  POM145500  Epilobium canum subsp. latifolium Kasper Pischel 1927-08 s.n. Sierra Salmon Lake. Comment
  JEPS43819  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1934-8-2 16795 Sierra 2 mi e Bassett road sta.; North Fork Yuba River, Pioneer road sta. 1706 Comment
  UC334398  Epilobium ciliatum subsp. glandulosum unknown Sept. 1890 Sierra Webber Lake Comment
  SJSU14028  Epilobium densiflorum N. A. Hopkins 1988-8-9 1453 Sierra by Hwy 49 between Sattley & Sierraville, Sierra Valley 1505 Comment
  SEINET12861776  Epilobium hallianum P. B. Kennedy, S. B. Doten 1901-7-5 91 Sierra [Sierra Nevada] spring near Webber Lake Comment
  SEINET12861793  Epilobium hallianum P. B. Kennedy, S. B. Doten 1901-7-5 91 Sierra [Sierra Nevada] spring near Webber Lake Comment
  SEINET12861904  Epilobium hallianum P. B. Kennedy, S. B. Doten 1901-7-5 91 Sierra [Sierra Nevada] spring near Webber Lake Comment
  CHSC94154  Epilobium minutum Lowell Ahart 2006-6-21 12818 Sierra On the east side of the Foote Road, about 2.7 miles (by road) southwest of Alleghany. 1103 Comment
  CHSC94232  Epilobium minutum Lowell Ahart 2006-6-28 12885 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
  SJSU14030  Epilobium pallidum N. A. Hopkins 1988-6-26 1447 Sierra Sierra Valley 1524 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
  SEINET12074419  Epipactis gigantea J. G. Lemmon 1874-1 213 Sierra no further locality Comment
  CAS-BOT-BC57034  Equisetum arvense D. E. Breedlove 1962-6-13 3531 Sierra on bank of the Little Truckee River, on State Highway 89, 11.3 miles south of Sierraville; Sierra Nevada 1905 Comment
  UCD135290  Equisetum arvense F. A. MacFadden 1934-6-29 s.n. Sierra Little Truckee River, 13 miles from Truckee on Reno Road via Hobart Mills. Comment
  UCD135414  Equisetum hyemale subsp. affine R. Randell 1996-5-26 24 Sierra Tahoe National Forest, Wild Plum Loop Road, 0.1 miles from Wild Plum Road, 1.25 miles from highway 49. 1450 Comment
  CAS-BOT-BC57848  Equisetum laevigatum Alice Eastwood 1918-6-29 7805 Sierra Loyalton. Comment
  UCD135548  Equisetum laevigatum Herbert L. Mason 1953-7-7 14557 Sierra Sierra County. Ditch north of Sattley, Sierra Valley. Comment
  CAS-BOT-BC174163  Eremogone aculeata W. Harnach; N. Harnach 1991-6-24 584 Sierra Sierra Valley. Antelope Valley 1707 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
  CHSC56533  Eremogone congesta var. suffrutescens L. P. Janeway 1984-8-3 958 Sierra Top of the ridge (Sierra crest) west of Packer Lake (just north of Packer Saddle). On the east side of ridge. 2164 Comment
  RSA0057638  Eremogone congesta var. suffrutescens L. S. Rose 1963-6-4 63129 Sierra Sierra Valley, 1.5 mi. east of Calpine. 1493 Comment
  CHSC109868  Eremogone kingii var. glabrescens L. P. Janeway; B. Castro 2012-6-16 10874 Sierra Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1885 Comment
  SJSU12053  Eriastrum sparsiflorum N. A. Hopkins 1980-6-18 969 Sierra Rice Point at SE corner Sierra Valley c. 4 mi N of Sierraville 1524 Comment
  CAS-BOT-BC286685  Ericameria bloomeri John Thomas Howell 1969-9-13 46127 Sierra Near the southwest end of Webber Lake 2072 Comment
  CAS-BOT-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-BC286690  Ericameria bloomeri L. P. Janeway; Garrett Gibson 1991-9-24 4144 Sierra Plumas National Forest, Beckwourth Ranger District. Upper reach of a tributary of Sulphur Creek, 1 mi east of Chapman Saddle and 2 3/4 mi east of Haskell Peak and 1 mi north of Beartrap Meadow 2103 Comment
  CDA4626  Ericameria bloomeri M. R. Pryor 1954-10-28 Sierra Loyalton. 0 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
  JEPS31329  Ericameria bloomeri W. L. Jepson 1934-8-7 16877 Sierra Onion Valley Comment
  RSA121642  Ericameria bloomeri C. G. Albertus 1935-8-28 275 Sierra 6.5 miles NNW of Sattley 1585 Comment
  SJSU12101  Ericameria bloomeri N. A. Hopkins 1982-10-4 1122 Sierra NW side Sierra Valley 1493 Comment
  UCR45976  Ericameria bloomeri R. D. Goeden 1986-9-10 s.n. Sierra Sierra Nevada Mtns, Above Perazo Meadow, on the north side of Fibreboard Rd, NW of Truckee & c. 10 mi. east of Jackson Meadow Reservoir, Tahoe National Forest 2012 Comment
  CAS-BOT-BC298127  Ericameria nauseosa var. oreophila Mary Strong Clemens 1920-9-3 s.n. Sierra Loyalton 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
  UC1119839  Ericameria nauseosa var. speciosa A. Lewis 1934-7-25 5600 Sierra Howland Flat Plumas National Forest, Downieville Quad. 1706 Comment
  UC1119840  Ericameria nauseosa var. speciosa C. G. Albertus 1935-9-24 288 Sierra 4 1/2 mi ese of Sulphur Springs; Sierraville Quad. 1981 Comment
  UCR257742  Ericameria nauseosa var. speciosa George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19471 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
  UCR178682  Ericameria parryi var. vulcanica Ellen Dean, Arthur M. Shapiro 2002-9-28 1318 Sierra Along Hwy 49 NE of the town of Sierraville, c. 2 road miles from town. Roadside 1524 Comment
  SEINET11851506  Erigeron aphanactis J. G. Lemmon 1874-1 108 Sierra Sierra Co. &c Comment
  UC477537  Erigeron aphanactis var. aphanactis L. S. Smith 1931-6-29 2572 Sierra Tahoe Nat. Forest 2133 Comment
  UC579477  Erigeron bloomeri var. bloomeri E. Sawyer 1935-6-28 253 Sierra 1 1/2 mi se Sattley; Sierraville Quadrangle 1493 Comment
  SJSU12089  Erigeron bloomeri var. bloomeri N. A. Hopkins 1971-6-14 380 Sierra Sierra Valley Airfield ca. 1 mile SE of Sierraville, Sierra Valley 1524 Comment
  HSC93196  Erigeron coulteri Vernon H. Oswald, L. Ahart 1996-8-19 8194 Sierra Yuba Pass-Weber Lake Rd. Just S of road to Lincoln Valley, northern High Sierra 2256 Comment
  UC336105  Erigeron divergens unknown 1878-5-1 Sierra Sierra Valley Comment
  JEPS29732  Erigeron eatonii var. nevadincola Rimo Bacigalupi, and L. R. Heckard 1962-5-27 8487 Sierra 4.7 mi ne Sierraville (e edge of s arm of Sierra Valley); Sierra Valley 1524 Comment
  CHSC60600  Erigeron glacialis var. glacialis L. P. Janeway 1984-8-11 985 Sierra Northwest side of Sierra Buttes; where the established trail up the Buttes meets the 4x4 road up the Buttes. 2346 Comment
  CHSC60602  Erigeron glacialis var. glacialis L. P. Janeway 1984-7-29 947 Sierra About 3-1/2 mi southeast from Gold Lake, near Road 28 (21N11). Ridgetop/saddle. 2225 Comment
  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
  CHSC73404  Erigeron glacialis var. glacialis B. Castro; L. Gehrung, H. Durio 1995-9-14 640 Sierra Ca. 0.7 air mi SW of the top of Mt. Fillmore, and ca 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. At W edge of midslope terrace of mtn. 2042 Comment
  HSC93195  Erigeron glacialis var. glacialis Vernon H. Oswald, L. Ahart 1996-8-19 8193 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12), just S of road to Lincoln Valley 2256 Comment
  JEPS125740  Erigeron glacialis var. glacialis William Harnach 2012-7-30 1258 Sierra Approximately 1 mile South of Forest Road 09, on Road 0913. 1.5 air miles SE of Haskell Peak, Tahoe National Forest. Comment
  JEPS96054  Erigeron glacialis var. glacialis Vernon H. Oswald and Lowell Ahart 1996-8-19 8193 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just s road to Lincoln Valley; northern High Sierra Nevada 2255 Comment
  SJSU14318  Erigeron inornatus N. A. Hopkins 1989-8-6 1569 Sierra on Deadmans Peak 1981 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
  CDA11837  Erigeron lassenianus var. lassenianus G. F. Hrusa, E. Sandoval 1993-5-3 11150 Sierra Sierra Valley Region; Antelope Valley. Comment
  CAS-BOT-BC295781  Erigeron petrophilus var. sierrensis Lowell Ahart 1982-7-28 3699 Sierra About 1/4 mile north of the Pacific Mine, about 5 miles east of the town of La Porte 1700 Comment
  UC176510  Erigeron pumilus var. intermedius A. A. Heller and 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
  CHSC63116  Erigeron reductus var. reductus Lowell Ahart 1994-7-1 7432 Sierra South of the larger pond, on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  JEPS87625  Erigeron reductus var. reductus Lowell Ahart 1994-7-1 7432 Sierra n side of Henness Pass Rd. e Keystone Mt. (about 1 1/2 mi ne of Middlewaters, about 11 air mi ne of Alleghany, s of larger pond); Keystone Gap 1889 Comment
  CAS-BOT-BC216036  Eriodictyon californicum Eva Kennedy 1909-1-1 9 Sierra Downieville Comment
  UC1124278  Eriodictyon californicum A. Lewis 1934-8-9 529 Sierra 1/4 mi e Sierra City; Tahoe National Forest, Downieville Quad. Comment
  UCR54438  Eriodictyon californicum B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 0889 Sierra Sierra Nevada Mtns, above Ramshorn Campground on Hwy 49, c. 15 miles NE of Comptonville and c. 5 mi. west of Downieville 823 Comment
  CAS-BOT-BC256172  Eriogonum douglasii var. meridionale D. E. Breedlove 1962-6-13 3509 Sierra 1.5 miles north of Sierraville on State Highway 89 1524 Comment
  JEPS57044  Eriogonum douglasii var. meridionale J. G. Lemmon Sierra near Webber Lake Comment
  SJSU9813  Eriogonum douglasii var. meridionale C. W. Sharsmith 1982-5-30 8662 Sierra 2 mi N of Sattley on Sattley-Beckwourth Rd, Sierra Valley 1524 Comment
  CHSC67266  Eriogonum elatum var. elatum James D. Jokerst 1990-7-27 3173 Sierra Balls Ranch Surveys for Jones and Stokes. Summit of Bald Mtn. Range at N end. 2621 Comment
  SJSU11990  Eriogonum elatum var. villosum N. A. Hopkins 1984-8-26 1241 Sierra 2 mi S of Calpine, Sierra Valley 1524 Comment
  SBBG1518  Eriogonum incanum H. and M. Dearing 1939-7-4 3827 Sierra Gold Lake Comment
  CAS-BOT-BC259357  Eriogonum lobbii A. R. Kruckeberg 1954-8-2 3680 Sierra Along trail to Sierra Buttes, 1/2 mile above upper Tamarack Lake 2438 Comment
  JEPS56797  Eriogonum lobbii var. lobbii J. G. Lemmon Aug. 1874 Sierra Webber Lake - Peaks Webber Lake Comment
  CAS-BOT-BC263702  Eriogonum luteolum var. pedunculatum Alice Eastwood 1915-6-29 7794 Sierra Loyalton Comment
  CAS-BOT-BC267380  Eriogonum marifolium var. marifolium G. L Smith 1959-6-20 1240 Sierra Down-grade, n. of Gold Lake 1981 Comment
  CHSC53048  Eriogonum marifolium var. marifolium L. P. Janeway 1989-8-16 3586 Sierra Plumas National Forest Beckwourth Ranger District. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. 2133 Comment
  CAS-BOT-BC267379  Eriogonum marifolium var. marifolium Catherine Best 1984-6-16 993 Sierra At the edge of Hwy. 49 at the Yuba Summit Comment
  CHSC67270  Eriogonum microthecum var. laxiflorum James D. Jokerst 1989-7-14 3141 C Sierra 1.25 mi SW of Balls Ranch on rocky knob W of dirt road. 2042 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
  UC1032208  Eriogonum nudum var. deductum G. T. Nordstrom 1936-7-9 923 Sierra 2 mi nw Dog Valley; Tahoe National Forest, Sierraville Quadrangle 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
  CAS-BOT-BC261614  Eriogonum nudum var. nudum L. P. Janeway 1984-8-12 995 Sierra Ridge-top just south of Packer Saddle 2148 Comment
  JEPS125826  Eriogonum nudum var. nudum William Harnach 2014-6-14 1390 Sierra Townsite of Calpine on hillside behind 208 Coates Ave. Comment
  SEINET8584758  Eriogonum nudum var. oblongifolium W. Harnach 2012-8-13 1293 Sierra Road 21N27 at the intersection with Road 21N27B, approx 2.0 miles from Chapman Saddle, Plumas National Forest 2161 Comment
  UCR249161  Eriogonum nudum var. oblongifolium George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20792 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  JEPS56330  Eriogonum spergulinum var. reddingianum W. L. Jepson 1896-8-27 Sierra Dog Valley Comment
  UC1561818  Eriogonum spergulinum var. reddingianum Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7216 Sierra ca. 1.5 mi e on Tahoe Nat'l For. Rd. S450 Hwy. 89 (upper end of Kyburz Flat n of road, head of Little Truckee River, ca. 12 air mi n of Truckee); Little Truckee River, Kyburz Flat 1920 Comment
  UC6452  Eriogonum spergulinum var. reddingianum Lemmon Aug. 1874 Sierra Webber Lake Comment
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Mar 20 2006
  UCR63506  Eriogonum spergulinum var. reddingianum Barbara Ertter 1987-6-27 7216 Sierra Kyburz Flat c. 12 air miles north of Truckee, head of Little Truckee River; c. 1.5 mi. east of Hwy 89 on Tahoe National Forest Rd. S450 1921 Comment
  CAS-BOT-BC269966  Eriogonum spergulinum var. reddingianum Gladys L. Smith 1959-6-20 1246 Sierra On road betw. Gold Lake and Feather River Highway, at Plumas - Sierra county line 1981 Comment
  SJSU11986  Eriogonum spergulinum var. reddingianum N. A. Hopkins 1973-6-22 557 Sierra 0.25 E of Packer L 1889 Comment
  JEPS56417  Eriogonum sphaerocephalum var. halimioides J. G. Lemmon 1881-1 Sierra Sierra peaks Comment
  UC1032237  Eriogonum strictum var. anserinum G. T. Nordstrom 1936-7-9 910 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  UC566154  Eriogonum strictum var. proliferum E. Sawyer 1935-6-28 266 Sierra 1 1/2 mi sse Suttley; Sierraville Quadrangle 1493 Comment
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Apr 7 2015
  CAS-BOT-BC267926  Eriogonum umbellatum W. Harnach; N. Harnach 1990-6-10 355 Sierra Sierra Valley. Balderson Ranch (Antelope Valley) 1645 Comment
  CHSC110278  Eriogonum umbellatum var. modocense L. P. Janeway 2012-6-24 10908 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
  CHSC37222  Eriogonum umbellatum var. modocense L. Ahart 1982-7-28 3698 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 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-BC262086  Eriogonum umbellatum var. nevadense Alice Eastwood 1918-6-29 7873 Sierra Loyalton Comment
  CAS-BOT-BC262090  Eriogonum umbellatum var. nevadense H. Albert Barker 1926-7-8 78 b Sierra Gold Lake Ridge - summit Comment
  CHSC39989  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
  CHSC91807  Eriogonum umbellatum var. nevadense G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16296 Sierra Northern Sierra Nevada. Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. 1645 Comment
  POM148084  Eriogonum umbellatum var. nevadense George Haley 1927-8-6 s.n. Sierra Weber Lake. Comment
  SEINET3872980  Eriogonum umbellatum var. nevadense Richard R. Halse 2010-8-26 8092 Sierra Along State Hwy. 49 ca 7.6 miles west of Loyalton or ca 5 miles north of Sierraville.; 0 1508 Comment
  SEINET8584704  Eriogonum umbellatum var. nevadense W. Harnach 2015-5-31 1418 Sierra 0.3 miles NE of the intersection of Hwy 49 and Co. Rd. A-23 at Sattley. 1502 Comment
  UC585236  Eriogonum umbellatum var. nevadense E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1622 Sierra on road to Loyalton about 3 1/2 mi ne Sierraville (Newman point, se edge of Sierra Valley); Sierra Valley, Newman point 1600 Comment
  UCR257736  Eriogonum umbellatum var. nevadense George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19464 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
  CHSC69188  Eriogonum umbellatum var. polyanthum Vernon Oswald; Lowell Ahart 1997-8-19 8824 .2 Sierra Mountain House Rd. (County Rd. 300) just south of its junction with Henness Pass Rd. (County Rd. 293), 6.3 mi south of Goodyears Bar. 1389 Comment
  JEPS95087  Eriogonum umbellatum var. polyanthum Vernon Oswald and Lowell Ahart 1997-8-19 8820 Sierra Mountain House Road (County Road 300) 1.3 mi s of Goodyears Bar; Mountain House Road 899 Comment
  SEINET524405  Eriogonum umbellatum var. subaridum Paul A. Opler 2003-6-24 Sierra Hills S of Loyalton, Bear Valley rd. Comment
  JEPS56181  Eriogonum umbellatum var. torreyanum J. G. Lemmon Aug. 1872 Sierra near Webber Lake Comment
  UC1032276  Eriogonum umbellatum var. torreyanum N. French 1934-7-24 433 Sierra 1 1/3 mi s Webber Lake; Tahoe National Forest, Truckee Quadrangle Comment
  CAS-BOT-BC262291  Eriogonum ursinum Lewis S. Rose 1934-7-10 34348 Sierra W. of Gold Lake 2133 Comment
  CAS-BOT-BC262288  Eriogonum ursinum H. Albert Barker 1926-7-18 135 Sierra Gold Lake Ridge - Summit 2133 Comment
  JEPS118176  Eriogonum ursinum var. ursinum Dean W. Taylor 2011-8-11 21156 Sierra Henness Pass Road 3 miles West from Milton Reservoir (Middle Fork Yuba River watershed) 2061 Comment
  SEINET530713  Eriogonum ursinum var. ursinum Paul Opler Sierra Mountain House Rd. 1398 Comment
  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
  CHSC94153  Eriophyllum lanatum var. grandiflorum Lowell Ahart 2006-6-21 12810 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany. 1093 Comment
  POM308730  Eriophyllum lanatum var. integrifolium Betty J. Jorgensen 1944-6-22 470 Sierra Little Truckee River, 10 miles N of Hobart Mills. 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
  UCR18716  Eriophyllum lanatum var. integrifolium Frank C. Vasek 1975-7-10 750710- 03 Sierra Sierra Nevada Mtns, about 15 miles north of Truckee Ranger Station [via Hwy 89], on Hennes Pass Rd. 1.5 miles west of State Hwy 89 1950 Comment
  NY335234  Eritrichium glomeratum var. humile J. G. Lemmon 1874-1 165 Sierra Comment
  CHSC67871  Eryngium alismifolium James D. Jokerst 1985-8-20 2575 Sierra Ca. 100 m E of Westside Rd., 2 mi S of Plumas Co. Line. 1493 Comment
  SEINET12005813  Erysimum asperum J. G. Lemmon 1874-1 11 Sierra Sierra Co., &c Comment
  SJSU4971  Erysimum capitatum N. A. Hopkins 1968-6-30 Sierra 0.25 mi N of Packer L 1859 Comment
  CAS-BOT-BC54566  Erysimum capitatum W. Harnach; N. Harnach 1990-5-28 330 Sierra Sierra Valley. Balderson Ranch (Antelope Valley). 1554 Comment
  CHSC94213  Erysimum capitatum var. capitatum Lowell Ahart 2006-6-28 12868 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  RSA8026  Erysimum capitatum var. perenne H. A. Barker 1927-7-10 797 Sierra Deer Lake. 2165 Comment
  CHSC43996  Erythranthe guttata L. P. Janeway 1984-8-18 1009 Sierra Near middle of mdw near the second switchback (towards southeast) from Packers saddle. 1981 Comment
  SEINET14291853  Erythranthe guttata W. Harnach, N. Harnach 1989-6-10 141 Sierra Sierra Valley, Strang Creek on Hwy 49 1503 Comment
  CHSC92039  Erythranthe lewisii Lowell Ahart 2005-8-30 12346 Sierra On the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2032 Comment
  JEPS125721  Erythranthe lewisii William Harnach 2015-8-19 1440 Sierra Basset's Station, intersection of Highway 49 and the Gold Lake Road. Comment
  SJSU12027  Erythranthe pulsiferae N. A. Hopkins 1983-7-9 1151 Sierra 1 mi SW of Calpine 1524 Comment
  SEINET10528804  Erythronium grandiflorum John G. Lemmon 1875-1 Lemmon s.n. 1875 Sierra Comment
  CHSC32068  Erythronium purpurascens L. Ahart 1977-4-20 1318 Sierra 5 mi ne of Alleghany. 1500 Comment
  CHSC43359  Erythronium purpurascens Lowell Ahart 1977-4-20 1317 Sierra About 5 miles north-east of Alleghany. 1371 Comment
  CAS-BOT-BC502814  Erythronium purpurascens Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  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-BC310397  Eucephalus breweri Lewis S. Rose 1934-7-20 34395 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC310400  Eucephalus breweri Rimo Bacigalupi; L. Constance; E. Nasir 1953-9-9 4358 Sierra Sierra & Nevada County boundary. Along forest road between Webber Lake and Meadow Lake, Tahoe National Forest, very close to the county line 2133 Comment
  CHSC66793  Eucephalus breweri Vernon H. Oswald; Lowell Ahart 1996-8-19 8190 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 2.2 mi S of Hwy. 49. 2133 Comment
  JEPS5822  Eucephalus breweri W. L. Jepson 1934-8-3 16825 Sierra 2 mi e, Pioneer Road Sta. Bassett Road Sta.; North Fork Yuba River Comment
  JEPS88560  Eucephalus breweri Vernon H. Oswald and Lowell Ahart 1996-8-19 8190 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 2.2 mi s Hwy. 49; northern High Sierra Nevada 2133 Comment
  SJSU12268  Eucephalus breweri N. A. Hopkins 1983-8-30 1177 Sierra near Pacific Crest Trail c. 1.5 mi N of Packer Saddle Comment
  SEINET11836555  Eupatorium occidentale Unknown 1974-1 624 Sierra below Big Rocks, near La Porte, ca 0.5 mi S of Mt. Etna, ca 12 mi NE of La Porte 1829 Comment
  JEPS125785  Euphorbia lathyris William Harnach 2015-5-20 1414 Sierra Intersection of Henness Pass Road and the Mountain House Road, approximately 6 miles south of Goodyears Bar by Mountain House Road. Comment
  CAS-BOT-BC310547  Eurybia integrifolia John Thomas Howell 1969-9-13 46126 Sierra North shore of Webber Lake 2064 Comment
  CAS-BOT-BC310552  Eurybia integrifolia Elmer I. Applegate 1921-9-7 3365 Sierra Gold Lake Comment
  CHSC105987  Eurybia integrifolia Lowell Ahart 2010-9-15 17154 Sierra Open dry meadow, about 100 yards north of the cabin, about 30 yards north of the lower pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC53120  Eurybia integrifolia L. P. Janeway 1989-8-9 3559 Sierra Plumas National Forest. NE flank of Haskell Pk overlooking hwy 89/Sulphur Cr. 2164 Comment
  CHSC66794  Eurybia integrifolia Vernon H. Oswald; Lowell Ahart 1996-8-19 8183 Sierra Northern High Sierra Nevada. Junction of Hwy. 49 and Forest Rt. 12 (Yuba Pass-Weber Lake Rd.) at Yuba Pass. 2042 Comment
  SJSU14218  Eurybia integrifolia N. A. Hopkins 1989-8-29 1587 Sierra just below Coburn Lake, Berry Creek drainage c. 5 mi S of Yuba Pass Comment
  UC579594  Festuca idahoensis E. Sawyer 1935-6-4 65 Sierra 5.75 mi n Sattley 1524 Comment
  UCD113245  Fragaria vesca S. P. Lynch 1975-5-25 1282 Sierra On Hwy 49 ca. 25 mi. S of Sierra City. Comment
  CAS-BOT-BC457010  Fragaria virginiana subsp. platypetala W. Harnach; N. Harnach 1990-5-13 310 Sierra Martinetti Ranch, Sierra Valley 1517 Comment
  CHSC59924  Frangula purshiana L. P. Janeway 1992-7-14 4263 Sierra About 0.3 mi southeast of Boulder Creek, 0.5 mi south of Boulder Creek Meadow, ca 3.2 mi southeast of Clio. Wet area along unused dirt road (21N38Y) at crossing of small creek. 1463 Comment
  CAS-BOT-BC59592  Frangula rubra subsp. rubra Olga Reifschneider 1953-9-26 s.n. Sierra Highway 40 along Truckee River near Nevada-California line. Comment
  CAS-BOT-BC59595  Frangula rubra subsp. rubra John Thomas Howell; R. C. Barneby 1954-5-13 29544 Sierra 4 miles below Downieville on North Fork Yuba River 807 Comment
  JEPS29724  Fritillaria atropurpurea Rimo Bacigalupi and L. R. Heckard 1962-5-27 8480 Sierra 2 mi s of Sierraville 1615 Comment
  UC337862  Fritillaria atropurpurea unknown June 1875 Sierra Sierra Valley Comment
  CAS-BOT-BC504417  Fritillaria atropurpurea Eugene Carter 1975-6-26 1001 Sierra Grizzly Creek, North Fork Trinity River 1767 Comment
  JEPS110368  Galium aparine Lowell Ahart 2006-6-21 12826 Sierra On the north side of the road, about 2 miles (by road) west of Forest 1329 Comment
  SEINET11298743  Galium aparine W. Harnach, N. Harnach 1991-6-1 541 Sierra Sierra Valley, Sierraville, W end of Willow St., Maddallena Ranch 1524 Comment
  UCR196992  Galium aparine George K. Helmkamp, E. A. Helmkamp 2008-5-20 13487 Sierra Sierra Nevada Mountains Foothills, Henness Pass road, 3.4 miles northeast of Camptonville 1261 Comment
  CHSC43369  Galium bifolium Lowell Ahart 1979-7-15 1966 Sierra On the north side of Mt. Fillmore. 1981 Comment
  UC585183  Galium bolanderi E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1670 Sierra on highway 1 1/2 mi s Sierraville 1600 Comment
  JEPS82305  Galium grayanum Paul C. Hutchison 1983-8-9 8447 Sierra about 3 air mi ne Saddleback Mt. (just e of and below summit, crest and n slopes of peak); Democrat Peak 1905 Comment
  SEINET13711142  Galium trifidum subsp. subbiflorum Lowell William Ahart, Lowell William Ahart 2001-1 9091 Sierra Near Diversion Dam across Little Truckee River along Fiberboard Road about 5 Mi. E of Weber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft. 1920 Comment
  CAS-BOT-BC182238  Garrya fremontii Alice Eastwood 1918-4-6 6769 Sierra Downieville Comment
  CAS-BOT-BC182242  Garrya fremontii Mrs. E. C. Sutcliffe 1926-10-16 s.n. Sierra Salmon Lake Comment
  RSA754937  Garrya fremontii L. Ahart 2008-6-4 14808 Sierra North side of Forest Road 98, about 2 air miles northeast of Harris Meadow, about 9.5 air miles northeast of Alleghany. 1907 Comment
  SD61114  Garrya fremontii Darley F. Howe 1964-7-28 3879 Sierra Tahoe National Forest, 5.5 Miles south of Gold Lake Lodge 1821 Comment
  UCD121125  Garrya fremontii Gerald Dickinson 1963-6-26 39 Sierra 1/4 mile west of Sand Pond. 1783 Comment
  JEPS124861 Image available Garrya fremontii M. L. Wheelis 1964-6-25 99 b Sierra East side of Sand Pond. Comment
  JEPS66598  Gaultheria ovatifolia C. B. Bradley July 1920 Sierra Scales Diggings near Poverty Flat ([Poverty Hill = nw corner of county]); Scales Diggings Comment
  CAS-BOT-BC478890  Gayophytum Lowell Ahart 1983-10-27 4491 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
  POM316637  Gayophytum Patricia Wilder 1965-10-1 4254 Sierra About 5 miles south and east of Sierraville, Sierra Nevada Mt. Range, Truckee River drainage area 1220 Comment
  SEINET10453253  Gayophytum Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4491 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
  JEPS27495  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1934-8-2 16801 Sierra 2 mi e Bassett sta.; North Fork Yuba River, Pioneer road sta. 1706 Comment
  JEPS27542  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1896-8-26 14441 Sierra 20 mi w Reno Nevada; Dog Valley Comment
  JEPS87375  Gayophytum diffusum subsp. parviflorum Lowell Ahart 1993-9-24 7256 Sierra n side Mount Fillmore (about 0.75 mi s of the dirt road from Gibsonville to Johnsville, w of poor dirt road that ends at a stream, slope on e side of stream) 2133 Comment
  SJSU14278  Gayophytum diffusum subsp. parviflorum N. A. Hopkins 1989-6-15 1538 Sierra c. 1.5 mi SW of Calpine, Sierra Valley 1524 Comment
  UC1609430  Gayophytum diffusum subsp. parviflorum Lowell Ahart 1993-9-24 7256 Sierra 3/4 mi s dirt road from Gibsonville to Johnsville (w of poor dirt road that ends at a stream, steep slope on e side of stream on n side of mt.); Mount Fillmore 2133 Comment
  CHSC105982  Gayophytum heterozygum Lowell Ahart 2010-9-15 17163 Sierra Open areas around trees, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  RSA39081  Gayophytum heterozygum P. A. Munz 1948-8-11 12330 Sierra Carvin Creek on Hwy 49, NE of Sierra City 1738 Comment
  SBBG128002  Gayophytum heterozygum L. Ahart 2010-9-15 17163 Sierra ca. 20 yards NW of the cabin, ca. 50 yards SW of the 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
  CHSC28715  Gayophytum humile Robert A. Schlising; Coleta Lawler 1979-8-24 3481 Sierra NE of Downieville at Upper Salmon Lake. At roadside near roads end at lake. 1981 Comment
  POM297947  Gentiana affinis J. G. Lemmon 1874-1 189 Sierra [No location information provided on label.] Comment
  CHSC66813  Gentianopsis simplex Vernon H. Oswald; Lowell Ahart 1996-8-19 8219 Sierra Northern High Sierra Nevada. Yuba-Pass-Weber Lake Rd. (Forest Rt. 12) 1.5 mi S of the road to Haypress Valley. Meadow below the road. 2194 Comment
  HSC93247  Gentianopsis simplex Vernon H. Oswald, L. Ahart 1996-8-19 8219 Sierra Northern High Sierra Nevada, Yuba Pass-Weber Lake Rd. (Forest Rte. 12), 1.5 mi. S of the road to Haypress Valley 2195 Comment
  SEINET6702785  Geum macrophyllum var. perincisum W. Harnach, N. Harnach 1989-6-10 135 Sierra Sierra Valley, Approx 2 miles W of Sierraville, Strang Creek on HWY 49 1503 Comment
  UCD113297  Geum triflorum R. O. Hanes 1995-6-20 267 Sierra Tahoe Forest. 1792 Comment
  UC568788  Gilia brecciarum subsp. brecciarum G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2137 Sierra about 3 1/2 mi e Loyalton; e of Loyalton 1615 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
  HSC97005  Gilia capitata subsp. mediomontana L. Ahart 2006-6-21 12821 Sierra S side of the Foote Rd., 1.3 mi. SW of Alleghany 1306 Comment
  JEPS125693  Gilia capitata subsp. pedemontana William Harnach 2013-5-1 1326 Sierra 1.6 miles West of Goodyears Bar on Highway 49 and North of the Ramshorn campground. Comment
  JEPS84964  Gilia leptalea subsp. leptalea Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7215 Sierra ca 12 air mi n Truckee (head of Little Truckee River, ca 1.5 mi e of Hwy 89 on Tahoe National Forest Rd S450, n end of Kyburz Flat); Kyburz Flat, Little Truckee River 1920 Comment
  SEINET12344799  Gilia sinuata J. G. Lemmon 1874-1 s.n. Sierra Comment
  CHSC115312  Githopsis specularioides Lowell Ahart 2015-5-9 20163 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 100 yards west of Highway 49, about one mile west of Indian Valley. 692 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
  CAS-BOT-BC302661  Gnaphalium palustre Lewis S. Rose 1934-7-4 34318 Sierra Gold Lake 1950 Comment
  SEINET8770735 Image available Gnaphalium palustre W. Harnach, N. Harnach 2000-6-17 921 Sierra Sierra Valley; approx. 1 mile north of Sattley, CA on A-23 1497 Comment
  UC1609027  Gnaphalium palustre Lowell Ahart 1993-9-10 7178 Sierra about 1 mi sw dirt road from Gibsonville to Johnsville (n side of mt. on w side and near end of poor dirt road that leads to a camp and a stream); Mount Fillmore 2133 Comment
  UCD84133  Gnaphalium palustre Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  UCD84222  Gnaphalium palustre 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
  JEPS102510  Gratiola ebracteata Lowell Ahart 2001-9-28 9296 Sierra Around the drying ponds on the bottom of the Poverty Hill Hydraulic gold mine, north of Poverty Hill (town), about 4 miles (air) south of La Porte. 1524 Comment
  RSA719704  Grindelia squarrosa Michael A. Vincent, K. Levings 2006-7-29 12923 Sierra Along Rt 395, 2.1 miles S of the Lassen County line. Comment
  SEINET8770820 Image available Grindelia squarrosa I. LaRivers 1969-7-25 s.n. Sierra Verdi Comment
  CAS-BOT-BC308503  Gutierrezia sarothrae Lemmon 1880-8-1 s.n. Sierra Sierra Valley Comment
  SJSU14228  Hackelia floribunda N. Hopkins 1989-7-1 1543 Sierra between Yuba Pass & Webber L, 6-7 mi S of Yuba Pass 2316 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
  UC333590  Hackelia nervosa J. G. Lemmon 1889-6-8 Sierra Gold Lake Comment
  POM368129  Hackelia nervosa Robert Gustafson 1985-6-10 3142 Sierra SFSU Sierra Nevada Field Station, ca 6 miles below Yuba Pass summit on Hwy. 49. 1921 Comment
  NY178932  Haplopappus paniculatus var. stenocephalus J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. Comment
  CAS-BOT-BC306730  Helenium bigelovii Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  UCSB27026  Helenium bigelovii Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of california State Highway 49, along road to graeagle, Sierra Buttes Sierra Nevada 1981 Comment
  CAS-BOT-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
  CAS-BOT-BC383102  Helianthella californica subsp. nevadensis Andrew Townesmith; Karen M. Meyer 2007-7-18 832 Sierra Tahoe National Forest, Sierraville Ranger District. 2.1 miles N of Forest Service road 07 on Forest Service road 07-40 2291 Comment
  CAS-BOT-BC314812  Helianthella californica var. nevadensis Carl B. Wolf 1937-8-6 9063 Sierra 1/2 mi. NE of Gold Lake, Northern Sierra Nevada 1920 Comment
  CDA11873  Helianthella californica var. nevadensis G. F. Hrusa, J. Jokerst 1991-7-5 8534 A Sierra Sierra Valley Region; Antelope Valley. 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
  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
  UC1069455  Helianthus annuus G. T. Nordstrom 1936-7-23 959 Sierra 2 mi sw Purdy; Sierraville Quad. 1615 Comment
  SEINET11197273 Image available Hemizonella minima W. Harnach, N. Harnach 1990-6-6 344 Sierra Sierra Valley. 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  CAS-BOT-BC314988  Hemizonella minima David D. Keck 1928-6-13 435 Sierra 6.7 miles west of Sierraville on Yuba Pass Road 1828 Comment
  UCSB71371  Heracleum maximum Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of california State Highway 49, along road to graeagle, Sierra Buttes Sierra Nevada 1981 Comment
  SEINET12279753  Hesperochiron californicus J. G. Lemmon s.n. Sierra Sierra Valley Comment
  SEINET7286302  Hesperochiron californicus K. E. Bradshaw 1942-5-21 419 Sierra 3 miles sw of Purdy, old Trosi Ranch 1676 Comment
  JEPS124543 Image available Hesperolinon micranthum B. Corwin 1964-6-25 80 Sierra 4 miles west of Downieville on highway 49 at intersection to Goodyear's Bar. Comment
  JEPS123993  Heterocodon rariflorum Lowell Ahart 2015-5-9 20162 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  UC177318  Heterocodon rariflorum J. G. Lemmon 1874-1 Sierra Comment
  CAS-BOT-BC310924  Heterotheca villosa Lowell Ahart 1982-7-28 3702 Sierra About 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  CHSC100118  Heterotheca villosa var. minor L. P. Janeway 2008-9-8 9578 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
  CHSC45968  Heuchera micrantha var. erubescens Lowell Ahart 1976-5-22 1127 Sierra At the water trough, along the edge of Goodyears Bar Road, about 2 air miles south of Goodyears Bar. 914 Comment
  SEINET12221795  Heuchera micrantha var. erubescens F. H. Utech 1990-6-5 90 -879 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  CAS-BOT-BC319675  Hieracium albiflorum W. Harnach; N. Harnach 1990-8-17 513 Sierra Strang Ranch (Elvers back 80) 1524 Comment
  SJSU12130  Hieracium albiflorum N. A. Hopkins 1974-8-6 622 Sierra c. 0.5 mi W of Packer L 1981 Comment
  SEINET8584712 Image available Hieracium greenei W. Harnach 2015-7-1 1426 Sierra 3 miles off of Henness Pass Road on FS Road 98. Harris Meadows 1786 Comment
  CHSC57262  Hieracium scouleri L. P. Janeway 1984-8-11 980 Sierra Northwest of Sierra Buttes. 2316 Comment
  SEINET12290127  Hippuris vulgaris J. G. Lemmon 1874-1 s.n. Sierra no further locality Comment
  UCD123735  Hippuris vulgaris P. B. Schultz 1967-7-8 61 Sierra 3 miles north of Sattley on Sattley-Beckwourth Road. 1493 Comment
  SEINET11915821  Holodiscus dumosus J. G. Lemmon 1874-1 59 Sierra No locality Comment
  CHSC43462  Holodiscus microphyllus var. glabrescens Lowell Ahart 1976-7-30 1181 Sierra On the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1981 Comment
  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
  UCR257687  Hordeum brachyantherum subsp. brachyantherum George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19467 A 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
  UC1132505  Hordeum jubatum G. T. Nordstrom 1936-7-23 961 Sierra 2 mi sw Purdy; Sierraville Quad. Comment
  UCD85690  Hordeum jubatum Beecher Crampton 1957-7-24 4416 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  CAS-BOT-BC143410  Horkelia fusca var. brownii W. Harnach; N. Harnach 1989-5-21 106 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  UCD106138  Hosackia oblongifolia P. B. Kennedy 1929-7-20 s.n. Sierra Salmon Lakes. Comment
  NY110747  Hutchinsia procumbens J. G. Lemmon 1874-1 Sierra Comment
  SEINET892434 Image available Hydrangeaceae R. J. Barr 1968-1 68 -460 Sierra Northeast of Camptonville at highway marker 971 853 Comment
  UCSB17490  Hydrophyllum capitatum Breedlove, Dennis 1962-6-13 Sierra Along the Little Truckee River, 10.0 miles south of Sierraville on South State Highway 89; Sierra Nevada 1950 Comment
  SEINET5499968  Hydrophyllum capitatum var. alpinum D. Kaplan s.n. Sierra Sierra valley 1500 Comment
  SEINET5499972  Hydrophyllum capitatum var. alpinum C. Grauvogel 1963-5-11 s.n. Sierra Dog Valley, 6 miles northwest of Verdi 1707 Comment
  SEINET5500046  Hydrophyllum capitatum var. alpinum D. Eckert 1954-5-13 s.n. Sierra Dog Valley 1981 Comment
  UC614682  Hydrophyllum occidentale L. Constance 1938-6-9 2305 Sierra 2.4 mi nw Sattley (e side of Yuba Pass); Yuba Pass 1524 Comment
  SEINET5518786  Hydrophyllum occidentale var. watsonii P. B. Kennedy, S. B. Doten 1901-7-1 62 Sierra Webber Lake Comment
  CAS-BOT-BC400809  Hypericum anagalloides George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  UC1122118  Hypericum perforatum A. Lewis 1934-9-27 534 Sierra Sailor Ravine Tahoe Nat'l Forest, Downieville Quad., Sailor Ravine Comment
  JEPS124796 Image available Hypericum perforatum M. Wheelis 1964-6-25 92 Sierra 3 mi. W. of Downieville, highway 49. Comment
  SJSU10960  Hypericum perforatum subsp. perforatum M. D. Fleschner 1965-6-27 Sierra Goodyears Bar on N Fork Yuba R c. 4.5 mi W of Downieville & c. 0.5 mi off State Rte 49 975 Comment
  UCD110392  Hypericum perforatum subsp. perforatum P. B. Schultz 1967-6-30 27 Sierra 3 miles west of Downieville. 853 Comment
  CAS-BOT-BC401321  Hypericum scouleri W. R. Dudley 1909-8-27 s.n. Sierra Meadow west of Juniper Ridge, Sierra Valley Comment
  SJSU12141  Hypericum scouleri N. A. Hopkins 1982-6-19 1078 Sierra 1.25 mi NW of Sattley 1524 Comment
  JEPS817  Ipomopsis aggregata Alma Wiegart Ames 1913-6-30 32 Sierra near Sierraville (Sierraville Ranger Station) Comment
  SEINET12278830  Ipomopsis aggregata Unknown 1877-1 s.n. Sierra Summit Comment
  CHSC44318  Ipomopsis congesta subsp. palmifrons Lowell Ahart 1977-8-2 1524 Sierra On a ridge n the west side of Mount Fillmore, near the summit of Mount Fillmore, about 12 miles north-east of La Porte. 2194 Comment
  CHSC73973  Ipomopsis congesta subsp. palmifrons M. A. Griggs 1997-7-12 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. On SE end of ridge. 2133 Comment
  RSA0106560  Iris hartwegii subsp. pinetorum Lowell Ahart 2015-5-9 20190 Sierra 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. 717 Comment
  CHSC11058  Iris missouriensis Lowell Ahart 1967-7-27 Sierra Webber Lake. 2133 Comment
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Sep 4 2010
  CAS-BOT-BC88645  Isatis tinctoria T. C. Fuller 1962-6-14 9014 Sierra North side of Highway 49 to Sierraville, 1.8 mile west of Loyalton. Comment
  UCD84144  Isoetes 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-BC69968  Isoetes bolanderi Lewis S. Rose 1934-7-21 34400 Sierra Gold Lake. Comment
  CDA9336  Isoetes bolanderi D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .3 Sierra Sardine Lake Comment
  CAS-BOT-BC69987  Isoetes bolanderi John Thomas Howell 1962-6-18 37822 Sierra Sierra Valley, 1.5 mi. e. of Calpine. 1524 Comment
  CHSC60593  Isoetes echinospora L. P. Janeway 1984-8-25 1059 Sierra Lakes Basin; at Snag Lake. 2026 Comment
  SJSU12058  Isoetes echinospora N. A. Hopkins 1976-9-17 876 Sierra outlet of Packer Lake 1889 Comment
  CHSC24424  Isoetes howellii Lowell Ahart 1976-10-1 Sierra Along Bunker Hill Ridge, 1 1/4 mi nw of Mt. Etna. 1828 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
  CHSC69407  Isoetes howellii Lowell Ahart 1997-8-28 7874 Sierra West of the Pacific Crest Trail and Bunker Hill Ridge, about one mile west of the Bunker Hill Mine, about one mile southeast of Pilot Peak. 1828 Comment
  CHSC115257  Isoetes nuttallii Lowell Ahart 2015-5-9 20153 Sierra Cliff, 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
  JEPS124423  Isoetes nuttallii Lowell Ahart 2015-5-9 20153 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  JEPS125661  Isoetes nuttallii William Harnach 2013-5-14 1347 Sierra 2.4 miles west of Highway 89 Main Street intersection, Calpine on Forest Road 52. Comment
  SEINET8917086  Isoetes nuttallii W. Harnach 2013-5-14 1347 Sierra Sierra Valley, along FR 52, 2.4 miles W of the Hwy 89 Main Street intersection in Calpine. 1643 Comment
  JEPS94415  Isolepis setacea Vernon Oswald and Lowell Ahart 1997-8-19 8818 Sierra Highway 49 ca. 2 mi w of Goodyears Bar (0.2 mi w of Ramshorn Campground); Highway 49 792 Comment
  SEINET11259910 Image available Iva axillaris T. L. Breene 1937-7-3 533 Sierra 22 mi. NW of Reno on side road to Ball Canyon. (this is actually in Calif) Comment
  CAS-BOT-BC137410  Ivesia aperta Alice Eastwood 1918-6-29 7869 a Sierra Loyalton Comment
  CAS-BOT-BC137416  Ivesia aperta W. Harnach; N. Harnach 1989-7-30 238 Sierra Sierra Valley. West side of Hwy 49 1499 Comment
  CHSC67697  Ivesia aperta var. aperta James D. Jokerst 1989-7-14 3138 Sierra Meadow ca. 0.5 mi SW of Balls Ranch. 1920 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
  JEPS99016  Ivesia aperta var. aperta Carol W. Witham 1993-7-15 550 Sierra 1/4 mi W of Sierra Brooks in Sierra Valley 1578 Comment
  UC1560861  Ivesia aperta var. aperta W. and N. Harnach 1989-7-30 237 Sierra s side of highway Hwy. 49 at the point with the Robinson Barn; Sierra Valley 1493 Comment
  UC638725  Ivesia aperta var. aperta Ethel Crum 1937-8-5 1937 Sierra Newman Point; Sierra Valley 1524 Comment
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Oct 7 2012
  UCD113578  Ivesia aperta var. aperta G. F. Hrusa 1991-7-4 8453 a Sierra Antelope Valley, approx. 1.5 miles from Sierraville Rd. 1650 Comment
  SEINET11908322  Ivesia aperta var. aperta J. G. Lemmon 1874-1 70 Sierra Sierra Co., &c Comment
  UC114505  Ivesia aperta var. aperta J. G. Lemmon 1875-1 96 Sierra Comment
  CAS-BOT-BC205248  Ivesia aperta var. canina James R. Shevock; Barbara Ertter 1986-6-1 11528 Sierra Northern Sierra Nevada. 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
  HSC90047  Ivesia aperta var. canina J. R. Shevock, Barbara Ertter 1986-6-1 11532 Sierra Near FS Guard Station at Dog Valley, Toiyabe National Forest, NW of Verdi, NV 1700 Comment
  UC1137531  Ivesia aperta var. canina G. T. Nordstrom 1936-7-22 944 Sierra 1 mi se Sawmill; Sierraville Quad. 1767 Comment
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Jun 21 2013
  UC205445  Ivesia aperta var. canina C. F. Sonne Jun 1889 Sierra Dog Valley Comment
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Feb 13 2007
  SEINET11911579  Ivesia gordonii J. G. Lemmon 1874-1 s.n. Sierra No locality Comment
  CAS-BOT-BC142355  Ivesia sericoleuca Wayne Dakan; Charlotte Pyle 1977-7-22 s.n. Sierra Northwest of Sierraville - Sierra Nevada Comment
  CAS-BOT-BC142360  Ivesia sericoleuca John Thomas Howell 1962-6-18 37826 Sierra Sierra Valley, 2.5 mi. n. of Sattley - Sierra Nevada 1524 Comment
  CAS-BOT-BC143366  Ivesia sericoleuca John Thomas Howell 1955-7-20 30888 Sierra Near Calpine 1508 Comment
  RSA107457  Ivesia sericoleuca L. S. Rose 1955-7-20 s.n. Sierra 2 miles south of Calpine. 1509 Comment
  UC1533140  Ivesia sericoleuca G. Schoolcraft 1986-7-2 1647 Sierra about 2 mi n Calpine Airport 1493 Comment
  UC638726  Ivesia sericoleuca Ethel Crum 1937-8-5 1934 Sierra 1 mi ne Sierraville; Sierra Valley Comment
  UCR219482  Ivesia sericoleuca 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
  SEINET11911566  Ivesia webberi J. G. Lemmon 1874-1 Sierra Comment
  SEINET5334878  Ivesia webberi C. Bell 1962-1 Sierra Comment
  JEPS49026  Juncus Leland S. Smith 1927-7-27 2014 Sierra Yuba Pass Rd near Dorsey Station (Sec. 10, northerly and westerly slope) Comment
  RSA252413  Juncus balticus subsp. ater Robert F. Thorne, C. W. Tilforth 1969-9-6 39198 Sierra Moist margin of Haven Lake (between Goose and Snag Lakes). 1951 Comment
  UCD84078  Juncus balticus subsp. ater 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
  UC1609025  Juncus bufonius var. occidentalis Lowell Ahart 1993-9-10 7182 Sierra about 1 mi sw of dirt road from Gibsonville to Johnsville (on w side and near the end of a poor dirt road that leads to a camp and stream, on n side of Mount Fillmore); Mount Fillmore 2133 Comment
  SBBG128100  Juncus covillei L. Ahart 2010-9-15 17181 Sierra W side of a poor rd, ca. 15 yards N of the first pond, ca. 20 yards NW of the cabin, ca. 50 yards SW of the middle pond, at the spring, ca. 2 3/4 mi N of Yuba Pass on Hwy 49, ca. 4 mi E of Haskell Peak 2134 Comment
  CHSC92040  Juncus ensifolius Lowell Ahart 2005-8-30 12349 Sierra On the south side of Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2064 Comment
  RSA239272  Juncus ensifolius Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42355 Sierra Plumas National Forest: Near pond N of Goose Lake. 2058 Comment
  RSA772432  Juncus ensifolius L. Ahart 2010-9-15 17183 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
  UCR257652  Juncus ensifolius George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19499 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  SBBG128011  Juncus ensifolius L. Ahart 2010-9-15 17183 Sierra ca. 15 yards N of the first pond, ca. 20 yards NW of the cabin, ca. 50 yards SW of the middle pond, at the spring ca. 2.75 mi (air) N of Yuba Pass on Hwy 49, ca. 4 mi (air) E of Haskell Peak 2134 Comment
  UCD141543  Juncus hemiendytus var. abjectus Barbara Ertter 1980-6-13 3695 Sierra 0.6 mile north of Dog Valley on road to Dog Valley Campground, Toiyabe National Forest northwest of Verdi, Nevada. 1828 Comment
  UCD141544  Juncus hemiendytus var. hemiendytus Barbara Ertter; J. Strachan, A. Tiehm, M. Williams 1979-6-13 2765 Sierra Dog Valley on Mitchell Canyon Road, Toiyabe National Forest west of Reno. Comment
  SEINET11789725  Juncus longistylis J. G. Lemmon 1874-1 218 Sierra Sierra Co. & c., Comment
  CHSC60562  Juncus mertensianus L. P. Janeway 1984-8-18 1006 Sierra Meadow at second switchback down the road from Packers Saddle toward Packer Lake. 1965 Comment
  CHSC40979  Juncus nevadensis J. D. Jokerst 1984-7-23 2116 Sierra In meadow. Ca. 3.5 mi. E of Sierra City, ca. 200 ft. N of Haypress Creek. 1767 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
  JEPS88196  Juncus nevadensis Vernon H. Oswald and Lowell Ahart 1996-8-19 8207 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.3 mi s road to Bassetts (at creek); Northern High Sierra Nevada, Long Valley Creek 2225 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
  UC1256285  Juncus nevadensis R. K. Gierisch 1959-6-25 3490 Sierra Saddle Mdw. Tahoe Forest/Expt. Area 1950 Comment
  UCD84201  Juncus nevadensis 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
  SEINET11787802  Juncus nevadensis L. P. Janeway 1989-1 3609 Sierra SE of Chapman Saddle, ca 2.25 mi SE of Haskell Pk, Plumas NF, Beckwourth Ranger Dist. 2057 Comment
  RSA95480  Juncus occidentalis J. T. Howell 1951-8-21 28256 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  CHSC61687  Juncus orthophyllus Lowell Ahart 1993-9-10 7184 Sierra Near the edge of a small meadow, near red rock outcrops, on the west side of a poor dirt road that leads to a camp, water ditch (old mining ditch) and stream, on the north side of Mount Fillmore, about 1 mile southwest of the dirt road from Gibsonville to Johnsville. 2133 Comment
  UCD141653  Juncus orthophyllus P. B. Kennedy 1929-7-20 s.n. Sierra Salmon Lakes. Comment
  CHSC62516  Juncus oxymeris B. Castro 1987-5-8 81 Sierra Ca 6 air mi NE of Strawberry Valley, ca. 0.25 mi SE of Poverty Hill, at the old Poverty Hill placer mine. At bottom of drainage at SE corner of old mine. 1353 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
  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
  RSA304316  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan, A. Tiehm, Margaret J. Williams 1979-6-13 2766 Sierra Dog Valley on Mitchell Canyon Road, Toiyabe National Forest, W of Reno. Comment
  CAS-BOT-BC85314  Juniperus occidentalis John Thomas Howell; Gordon H. True 1970-7-14 5516 Sierra Sierra Nevada - at Verdi Peak Lookout, Verdi Range 2560 Comment
  SEINET10612913  Juniperus occidentalis John G. Lemmon Lemmon s.n. 1875 Sierra Sierra Valley. 1500 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
  UCR249170  Keckiella lemmonii George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20788 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.8 miles west of Goodyears Bar, c. 5 miles west of Downieville 779 Comment
  SEINET12616362  Kelloggia galioides P. B. Kennedy 1901-7-10 s.n. Sierra Canyon below Webber Lake. Comment
  UC367177  Kelloggia galioides J. G. Lemmon and wife Jul 1881 Sierra 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
  UC854332  Kumlienia hystricula Alice Eastwood 1918-4-6 6791 Sierra Downieville Comment
  CAS-BOT-BC340357  Kyhosia bolanderi John Thomas Howell 1951-8-21 28266 Sierra Yuba Pass 2042 Comment
  UCD135681  Kyhosia bolanderi Bruce G. Baldwin 1985-8-25 505 Sierra immediately east of entrance to Tahoe National Forest campground at Yuba Pass, California State Highway 49. 2042 Comment
  CAS-BOT-BC349850  Lactuca tatarica subsp. pulchella George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC341452  Lagophylla ramosissima W. Harnach; N. Harnach 1990-8-2 501 Sierra Sierra Valley. Near gate to Fisher field 1498 Comment
  SEINET9358795  Lathyrus sulphureus Unknown 2009-5-28 14858 Sierra Northern Sierra Nevada Foothills 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
  CAS-BOT-BC321055  Layia glandulosa J. G. Lemmon no date on sheet 18707 Sierra Sierra Valley, Sierra Nevada Comment
  CAS-BOT-BC321056  Layia glandulosa J. G. Lemmon 1880-4-1 s.n. Sierra Sierra Valley Comment
  RSA121952  Ledum glandulosum A. Lewis 1934-6-20 493 Sierra 1/2 mi le NW of Grass Flat, Downieville. 1524 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
  SEINET10482514  Ledum glandulosum John G. Lemmon 1874-1 Lemmon 143 Sierra Comment
  SEINET11975271  Ledum glandulosum J. G. Lemmon 1874-1 143 Sierra Comment
  SEINET3410947 Image available Ledum glandulosum Lewis S. Rose 1934-7-7 s.n. Sierra Edge of small lake SW. Gold Lake, Sierra County, California. 2103 Comment
  JEPS125723  Lemna gibba William Harnach 2015-10-13 1464 Sierra 4.0 miles South of Highway 49 on Antelope Valley Road. Comment
  CAS-BOT-BC534400  Lemna gibba Malcolm A. Nobs; S. Galen Smith 1949-8-20 1495 Sierra 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley Comment
  POM312459  Lemna gibba Malcolm A. Nobs, S. Galen Smith 1949-8-20 1492 Sierra About 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley Comment
  SEINET8655822  Lemna minuta W. Harnach 2015-10-13 1462 Sierra Approx 4.0 miles west of Loyalton, south of the intersection of Fillippini Rd. & Hwy 49. 1501 Comment
  SEINET8655860  Lemna minuta W. Harnach 2015-10-6 1456 Sierra 2.2 miles east of Hwy 49 on Lemmon Canyon Road, east of Sierraville. 1598 Comment
  JEPS125699  Lemna valdiviana William Harnach 2015-10-6 1453 Sierra 0.5 miles east of Highway 49 at the intersection of Lemmon Canyon Road and Campbell Hot Spring Road, east of Sierraville. Comment
  SJSU13955  Lemna valdiviana N. A. Hopkins 1985-7-3 1290 Sierra by rd between Sierraville & Lemon Valley, Sierra Valley 1767 Comment
  SEINET12277323  Lepechinia calycina J. G. Lemmon 1874-1 s.n. Sierra no further locality, Sierra Co., &c Comment
  CHSC32054  Lepidium campestre L. Ahart 1973-5-25 240 Sierra Near Alleghany. 914 Comment
  CHSC81013  Lepidium campestre Lowell Ahart 2001-8-10 9092 Sierra About 20 feet south 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
  JEPS110047  Lepidium campestre Lowell Ahart 2006-6-21 12842 Sierra On the west side of the road, about 3 1/2 miles (by road) northwest of Forest 1421 Comment
  JEPS110136  Lepidium campestre Lowell Ahart 2006-6-21 12800 Sierra On the west side of the Foote Road, near Blue Ravine, about 3 miles (by road) southwest of Alleghany 1053 Comment
  CAS-BOT-BC88808  Lepidium campestre Anna Head 1921-6-21 s.n. Sierra Feather River Region. Campbells Hot Springs. Comment
  CAS-BOT-BC88853  Lepidium campestre Catherine Best 1988-6-10 1287 Sierra Sierra Nevada. Herringtons. Sierra City. Comment
  CHSC74078  Lepidium latifolium B. Castro 1998-7-20 809 B Sierra Ca 8.5 air mi SSE of Hallelujah Jcn (jcn Hwys 89/395), ca 0.5 mi W of the Nevada border, and 300 ft W of Long Valley Rd. On the W edge of Long Valley Creek by old windmill. 1569 Comment
  UCD83602  Lepidium perfoliatum 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-BC12995  Lepidium virginicum Catherine Best 1981-6-18 s.n. Sierra Sierra Nevada. Sardine Lake. Comment
  CHSC50678  Leptosiphon ciliatus Lowell Ahart 1990-6-18 6526 Sierra East of the road, about 1 mile north-east of Scales. 1524 Comment
  CHSC65172  Leptosiphon ciliatus Lowell Ahart 1995-8-7 7596 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
  RSA164298  Leptosiphon ciliatus Clare B. Hardham 1961-6-15 7393 Sierra S side Yuba Pass. 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
  SJSU12182  Leptosiphon harknessii N. A. Hopkins 1982-8-1 1113 Sierra c.1 mi S of Calpine 1524 Comment
  CAS-BOT-BC334605  Leucanthemum vulgare Lowell Ahart 1981-7-24 2993 Sierra 0.5 mile north of Queen City 1700 Comment
  JEPS113916  Leucanthemum vulgare W. and N. Harnach 2001-7-13 1026 Sierra Sierra Valley, 0.25 miles west of Strang Pond. Approx. 1.5 to 2.0 miles west of Sierraville on Hwy 49. Comment
  CAS-BOT-BC59621  Leucothoe davisiae Lowell Ahart 1964-7-24 s.n. Sierra Near Milton Dam. 1676 Comment
  CAS-BOT-BC59624  Leucothoe davisiae Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake. Comment
  RSA252455  Leucothoe davisiae R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-6 39206 Sierra Goose Lake, SE of Gold Lake. 1951 Comment
  RSA8235  Leucothoe davisiae Elmer I. Applegate 1921-9-7 3376 Sierra Gold Lake. 1982 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
  UCD117523  Leucothoe davisiae R. O. Hanes 1995-7-17 272 Sierra Tahoe Forest. Quartz Mtn. 1773 Comment
  CAS-BOT-BC233777  Lewisia cantelovii G. L. Stebbins 1970-7-4 7031 Sierra Fiddle Creek Canyon, northeast of Indian Valley 1036 Comment
  CAS-BOT-BC233819  Lewisia cantelovii John Thomas Howell 1959-9-26 35074 Sierra N. Fk. Feather River 1 mile above USGS marker for 2000 ft., 3.2 mi. W of Belden, Sierra Nevada 609 Comment
  CHSC109550  Lewisia kelloggii subsp. hutchisonii L. P. Janeway; B. Castro 2012-6-16 10873 Sierra Northern High Sierra Nevada. Tip of a short southeastern spur of Gibsonville Ridge, 1.1 km north-northwest of Gibsonville. 1885 Comment
  UC1755267  Lewisia kelloggii subsp. hutchisonii D. W. Taylor 2004-6-9 19090 Sierra Lafayette Ridge, eastern flanks, watershed south fork Kanaka Creek Comment
  CAS-BOT-BC444109  Lewisia nevadensis H. D. Ripley; R. C. Barneby 1942-5-22 4525 Sierra Between Hobart Mills - Sierraville 1950 Comment
  RSA464469  Lewisia nevadensis Robert Gustafson 1985-6-14 3175 Sierra Hwy. 49, ca. 1/2 mile below Yuba Pass summit toward Sierra Valley. 2043 Comment
  CHSC46729  Lewisia triphylla Lowell Ahart 1978-9-26 1811 Sierra On the bottom and sides of a stream, on the north side of Mt. Fillmore, about 12 miles north-east of La Porte. 2011 Comment
  CHSC73426  Lewisia triphylla B. Castro; L. Gehrung, H. Durio 1995-9-14 635 Sierra Mt. Fillmore Mdws: Mdw A. Ca 0.6 air mi SW of the top of Mt. Fillmore, and ca 0.5 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. Series of 4 meadows on NW-facing midslope terrace of mtn, feeding Pearson Ravine. 2087 Comment
  JEPS68546  Leymus cinereus W. L. Jepson 1918-8-18 8048 Sierra Sierra Valley 1524 Comment
  SEINET11119457  Ligusticum apiifolium S. B. Doten 1901-7-1 s.n. Sierra N of Webber Lake. Comment
  SEINET11119511  Ligusticum apiifolium S. B. Doten 1901-7-1 s.n. Sierra N of Webber Lake. Comment
  JEPS16563  Ligusticum grayi W. L. Jepson 1934-8-3 16818 Sierra 2 mi. e. Bassett sta. (Pioneer rd. sta., N. Fork Yuba R.); N. Fork Yuba R., Pioneer rd. sta. 1706 Comment
  JEPS16564  Ligusticum grayi W. L. Jepson 1934-8-3 16838 Sierra 2 mi. e. Bassett sta. (Pioneer rd. sta., N. Fork Yuba R.); N. Fork Yuba R., Pioneer rd. sta. 1706 Comment
  UC198911  Lilium columbianum C. F. Sonne May 1889 c Sierra Dog Valley Comment
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Dec 13 2006
  UCSB27060  Lilium kelleyanum Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of california State Highway 49, along road to graeagle, Sierra Buttes Sierra Nevada 1981 Comment
  CAS-BOT-BC509353  Lilium kelleyanum Lewis S. Rose 1934-7-14 34361 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC509354  Lilium kelleyanum H. C. Cantelow 1938-7-2 2366 Sierra 2 mi E of Downieville, nr River 975 Comment
  HSC15587  Lilium pardalinum subsp. pardalinum R. G. Means 1962-6-22 19 Sierra 5.5 mi. E of Downieville, Hwy. 49 951 Comment
  CHSC11089  Lilium parvum Lowell Ahart 1967-7-27 Sierra Near Sam's Camp. 2133 Comment
  CAS-BOT-BC133039  Lilium washingtonianum subsp. washingtonianum H. Albert Barker 1926-7-30 159 Sierra Gold Lake - east side of Indian Head Peak 2072 Comment
  UC1562335  Limosella aquatica Vernon Oswald and Lowell Ahart 1990-7-25 4387 Sierra ca 1 mi w of Balls Ranch ca 0.25 mi s Staverville Rd 1935 Comment
  UCD15838  Linanthus pungens Dieter Wilken; Beth Painter 1998-6-25 s.n. Sierra NW side of Sierra Valley, hillside along CA 267, head of Feather River. Collected for Jepson Herbarium Polemoniaceae class held at SFSU Field Station at Yuba Pass, Sierra County, June 26-28, 1998 by Dieter Wilken, who provided locality information. Comment
  RSA170305  Linaria dalmatica T. C. Fuller 1963-8-28 11174 Sierra N.E. limits of Loyalton. Comment
  CHSC94214  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
  SEINET12185779  Linum micranthum J. G. Lemmon 1874-1 32 Sierra Comment
  CHSC61897  Listera convallarioides Lowell Ahart 1993-9-10 7199 Sierra On the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  SEINET12075392  Listera convallarioides J. G. Lemmon 1874-1 s.n. Sierra no further locality Comment
  CAS-BOT-BC435559  Lithophragma glabrum Javier Penalosa 1962-6-20 2524 Sierra Little Truckee R. at Hwy 89 1905 Comment
  CHSC10581  Lithophragma glabrum Lowell Ahart 1969-5-27 Sierra Near Webber Lake by Highway 89. 2133 Comment
  JEPS6902  Lithophragma glabrum Roland A. Dede 1950-6-24 2263 Sierra Yuba Pass Comment
  RSA7998  Lithophragma glabrum H. A. Barker 1927-6-28 753 Sierra Gold Lake. 1982 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
  UCR230937  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-BC443349  Lithophragma parviflorum D. E. Breedlove 1962-6-13 3487 Sierra along State Highway 89, 9.3 miles north of Sierraville 1524 Comment
  HSC97041  Lithophragma tenellum L. Ahart 2006-6-28 12865 Sierra 3/4 mi. E of Lake Delahunty, 2 mi. NE of Gibsonville 1784 Comment
  JEPS108802  Lithophragma tenellum Lowell Ahart 2006-6-28 12865 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1784 Comment
  SJSU5392  Lithophragma tenellum N. A. Hopkins 1970-5-11 324 Sierra NE of Packer L 1889 Comment
  UC1088540  Lomatium macrocarpum Ornduff 1958-6-29 4996 A Sierra 2 mi. n.w. Downieville (junction of Saddleback mt. rd. with Oak Ranch rd.) 1219 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
  CAS-BOT-BC205250  Lomatium nudicaule James R. Shevock; Barbara Ertter 1986-6-1 11525 Sierra Northern Sierra Nevada. 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
  CAS-BOT-BC205792  Lomatium nudicaule James R. Shevock 1985-5-19 11148 Sierra Northern Sierra Nevada. Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  JEPS17534  Lomatium nudicaule W. L. Jepson 1918-8-18 8045 Sierra Sierra Valley 1524 Comment
  RSA793121  Lomatium nudicaule J. R. Shevock 1985-5-19 11148 Sierra Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville. 1650 Comment
  SEINET13944588 Image available Lomatium nudicaule Lewis S. Rose 1955-1 55165 Sierra 2 mi S of Calpine, low area, alt. ca. 4950 ft 1509 Comment
  UCSB12112  Lomatium nudicaule 1962-6-13 Sierra Along State Highway 89, 9.3 miles north of Sierraville 1524 Comment
  JEPS125824  Lomatium triternatum subsp. triternatum William Harnach 2013-6-8 1366 Sierra Approximately 1/4 mile South of power substation on old Long Valley Road, West of Highway 395, near Bordertown, NV. Comment
  SEINET8584727  Lomatium triternatum var. triternatum W. Harnach 2013-6-8 1366 Sierra Approximately 0.25 miles south of power substation on old Long Valley Road, west of Hwy 395, near Bordertown, NV. 1583 Comment
  JEPS13770  Lonicera conjugialis W. L. Jepson 1934-8-4 16854 Sierra 2 mi e Bassett road station (Pioneer Road station); North Fork Yuba River Comment
  SD123514  Lonicera conjugialis Robert F. Thorne 1974-7-30 45034 Sierra Tahoe National Forest; Goose, Haven and Snag Lake areas. 2060 Comment
  UC1609358  Lonicera conjugialis Lowell Ahart 1993-9-10 7215 Sierra about 1 1/2 mi s of the dirt road from Gibsonville to Johnsville (w side of Mount Fillmore); Mount Fillmore 2286 Comment
  CAS-BOT-BC243915  Lonicera involucrata var. involucrata W. R. Dudley 1894-8-29 s.n. Sierra Near Webber Lake, Sierra Valley Comment
  CAS-BOT-BC243916  Lonicera involucrata var. involucrata H. Albert Barker 1926-7-21 147 Sierra Gold Lake, ponds near Little Gold Lake 1953 Comment
  CHSC11390  Lonicera involucrata var. involucrata Lowell Ahart 1971-8-6 Sierra Two miles W of Webber Lake. 2286 Comment
  SEINET10451994  Lotus nevadensis Lowell Ahart, Peter Ahart 1983-10-11 Ahart 4466 Sierra Along edge of dirt road to Ahart Sheep Camp, ca. 1 mi n of Milton Reservoir, 3 mi nw of Jackson Meadow Reservoir. Yellow Pine Forest; 1800 m. 1800 Comment
  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
  CAS-BOT-BC60243  Lunaria annua Catherine Best 1987-6-10 1278 Sierra Sierra Nevada. Herringtons, Sierra City. Comment
  CHSC897  Lupinus albicaulis var. shastensis V. Holt 1942-7-16 Sierra Mt. Elwell near Gold Lake. Comment
  SEINET5327633  Lupinus andersonii W. Harnach, N. Harnach 1994-7-20 800 Sierra Approx 1/4 mile below Horseshoe turn on Hwy 49, West of Sattley. 1859 Comment
  SEINET10969744  Lupinus andersonii var. andersonii Melvin L. Conrad, Eula V. Conrad 1981-7-12 Conrad 9483 Sierra On gravelly road cut, e side of hwy 89, 29.26 miles n of junction with i-80 Comment
  CHSC63143  Lupinus apertus Lowell Ahart 1994-7-7 7448 Sierra On the south-east side of the dirt road from Gibsonville to Sloat, about 1/2 mile south of Bunker Hill Ridge and the Pacific Crest Trail, about 1 1/2 miles (air) south of Pilot Peak. 1981 Comment
  JEPS87602  Lupinus apertus Lowell Ahart 1994-7-7 7448 Sierra about 1 1/2 mi (air) s Pilot Peak (on the se side of the dirt rd from Gibsonville to Sloat); Pacific Crest Trail, Bunker Hill Ridge 1981 Comment
  JEPS46225  Lupinus apertus L. S. Smith 1927-8-10 2162 Sierra w end Gold Lake , road to Gold Valley (high mountains e side, road to Gold Valley, Plumas and into Tahoe) 2133 Comment
  JEPS82088  Lupinus arbustus Paul C. Hutchison 1983-8-9 8446 Sierra about 3 air-miles NE of Saddleback Mountain ( Democrat Peak, just E of and below summit, crest and N slopes of crest) 1905 Comment
  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-BC196372  Lupinus argenteus var. heteranthus Alice Eastwood 1918-6-29 7841 Sierra Loyalton Comment
  HSC14902  Lupinus breweri R. Spellenberg 1964-6-14 386 Sierra 7 mi. W of Sierraville on Hwy. 49 Comment
  SEINET10837835  Lupinus breweri Duane Isely 1965-5-29 Isely 9657 a Sierra In steep gravel near state #49, alt. Ca 5500, ca 7.5 mi. W of sierraville, Sierra co., California. This species on e side of yuba pass, blooming adjacent to snow in higher areas, Forming flat mats. 1676 Comment
  CAS-BOT-BC196686  Lupinus breweri var. breweri Lester Rowntree 1935-6-13 s.n. Sierra Near Calpine Comment
  CAS-BOT-BC196690  Lupinus breweri var. breweri Joseph Gerber 1953-7-4 3 Sierra Lake Independence 2133 Comment
  SEINET530757  Lupinus caudatus var. caudatus Paul Opler 2003-6-29 Sierra 1 mi E of Calpine Comment
  UC1299678  Lupinus grayi Freed W. Hoffman 1946-6-12 920 Sierra e side Yuba Pass; e side of Yuba Pass Comment
  JEPS65071  Lupinus lepidus var. confertus W. L. Jepson 1918-8-18 8054 Sierra Sierra Valley 1524 Comment
  RSA641652  Lupinus lepidus var. confertus Robert F. Thorne 1974-7-30 45039 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes area. 2058 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
  UC1562337  Lupinus lepidus var. sellulus Vernon Oswald and Lowell Ahart 1990-7-25 4391 Sierra ca 0.25 mi s Staverville Rd. (ca 1 mi w of Balls Ranch, on dry soil of a sagebrush flat) 1935 Comment
  SJSU10716  Lupinus lepidus var. sellulus Dixie Funnell 1965-7-5 Sierra Hwy 89, 0.75 mi N of bridge over Little Truckee R 1706 Comment
  CHSC92054  Lupinus polyphyllus var. burkei Lowell Ahart 2005-8-30 12347 Sierra On a gravel bar, on the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2032 Comment
  SEINET10485915  Lupinus sellulus var. lobbii Duane Isely, I. Isely 1971-7-13 Isely 11411 Sierra Abundant, dry stream bed, adjacent to state #89 between truckee summit and Nevada co. Line. Comment
  SEINET6331927  Luzula comosa W. Harnach, Nancy Harnach 1990-5-13 314 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch 1518 Comment
  UC338459  Luzula comosa var. laxa unknown 1889-6-6 Sierra Gold Lake 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
  UC1609499  Luzula divaricata Lowell Ahart 1993-9-10 7190 Sierra ca. 1 mi. s.w.of dirt rd. from Gibsonville to Johnsville (along small stream, at end of poor dirt rd. where there is a camp & water ditch, n. side of Mt. Fillmore); Mt. Fillmore 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
  JEPS125691  Lysimachia latifolia William Harnach 2013-5-1 1324 Sierra 1.6 miles of West of Goodyears Bar on Highway 49 and North of the Ramshorn campground. Comment
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Apr 9 2017
  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
  CAS-BOT-BC342595  Madia W. Harnach; N. Harnach 1990-8-20 521 Sierra Sierra Valley. Calpine Ranch (Home) 1508 Comment
  CAS-BOT-BC342600  Madia W. Harnach; N. Harnach 1990-9-3 527 Sierra Sierra Valley. Just south of the gate to the Fisher field 1496 Comment
  CAS-BOT-BC343988  Madia elegans John Thomas Howell 1951-8-21 28246 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  CAS-BOT-BC343991  Madia elegans Alice Eastwood 1918-6-29 7856 Sierra Loyalton Comment
  UC89453  Madia elegans J. G. Lemmon 1875-1 141 Sierra Comment
  UCD135642  Madia elegans Bruce G. Baldwin 1985-8-26 507 Sierra 2 miles south of California State Highway 49 on Smithneck Road (0.2 mile south of Rancho Circle Drive). Comment
  CAS-BOT-BC342879  Madia glomerata John Thomas Howell 1951-8-21 28245 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  CAS-BOT-BC342880  Madia glomerata John Thomas Howell 1951-8-21 28262 Sierra East side of Yuba Pass 1828 Comment
  CHSC67879  Madia glomerata James D. Jokerst 1985-7-22 2547 Sierra 899 Comment
  JEPS118424  Madia glomerata Lowell Ahart 2011-9-23 17711 Sierra On a gravel bar on the south side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2015 Comment
  CAS-BOT-BC343418  Madia gracilis John Thomas Howell 1951-8-21 28278 Sierra Yuba Pass 2042 Comment
  CAS-BOT-BC343420  Madia gracilis John Thomas Howell; R. C. Barneby 1954-5-13 29543 Sierra North Fork Yuba River, 4 miles below Downieville 807 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
  JEPS108728  Madia gracilis Lowell Ahart 2006-6-21 12804 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  UCR63947  Madia minima B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0963 Sierra Sierra Nevada Mtns., Plumas National Forest, c. l mi. south of Sierra County line on Hwy 89 1585 Comment
  CAS-BOT-BC512755  Maianthemum racemosum subsp. amplexicaule H. Albert Barker 1926-7-3 29 Sierra Packer Lake 1981 Comment
  SEINET12049775  Maianthemum racemosum subsp. amplexicaule F. H. Utech 1986-1 86 -084 Sierra Tahoe Natioanal Forest, ca 1 mi N of junction North Yuba River & CA 49 bridge 950 Comment
  CAS-BOT-BC512889  Maianthemum stellatum H. Albert Barker 1926-7-27 153 Sierra Gold Lake - Indian Head Peak 2072 Comment
  CHSC94158  Malacothrix clevelandii Lowell Ahart 2006-6-21 12816 Sierra On the south side of the Foote Road, about 2.7 miles (by road) southwest of Alleghany. 1103 Comment
  RSA718374  Malacothrix floccifera L. Ahart 2006-6-21 12816 Sierra On the south side of the Foote Road, about 2.7 miles (by road) southwest of Alleghany 1104 Comment
  UCD84267  Marsilea oligospora 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
  UCD84298  Marsilea oligospora Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch. 1498 Comment
  CDA42743  Marsilea vestita G. D. Barbe, Fred H. Surber 1977-8-16 2327 Sierra Dyson Road 0.5 mile west of Loyalton Road. (County Route A24). 0 Comment
  JEPS16739  Marsilea vestita subsp. vestita Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4289 Sierra along rd. from Hawley RR station (on Western Pacific main line) to Loyalton; middle of Sierra Valley 1481 Comment
  SJSU4027  Marsilea vestita subsp. vestita C. W. Sharsmith & Wayne Savage 1967-5-20 7529 A Sierra by Sierraville-Loyalton road., 6 mi N of Sierraville 1478 Comment
  JEPS124641 Image available Matricaria matricarioides C. L. Kline 1965-7-6 152 Sierra 2.6 miles south of junction of Beckworth and Sattley Rds. at Sierra City, along HWY 89. Comment
  JEPS124643 Image available Matricaria matricarioides Peter Schultz 1967-7-8 59 Sierra 3 miles north of Sattley on Sattley - Beckworth Road. Comment
  CAS-BOT-BC271805  Melica bulbosa S. B. Doten 1901-7-5 99 Sierra Webber Lake Comment
  CHSC73894  Melica bulbosa B. Castro 1997-6-25 747 Sierra Ca 7 air mi NE of LaPorte, on Sawmill Ridge, ca 200 ft N of jcn Co. Rd 900 (to Johnsville) and USFS Rd 22N10 (to Bunker Hill Ridge). On W edge of Rd 22N10, ca 15 ft down slope, at edge of forest. 1920 Comment
  CHSC65188  Melica fugax Lowell Ahart 1995-8-7 7600 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
  UC593542  Melica fugax E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1679 Sierra on road to Loyalton (e side of Sierra Valley); Sierra Valley 1615 Comment
  SEINET10599381  Melica fugax Lowell Ahart 1995-8-7 Ahart 7600 Sierra T22N, R10E, north-east 1/4 Section 16. Normal size plants, on dry bare soil on the south side of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile (air) south-west of Pilot Peak. Common. Red Fir Forest. 2012 Comment
  RSA719202  Melica geyeri L. Ahart 2006-6-21 12832 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
  UCD87324  Melica geyeri Beecher Crampton 1954-5-11 1898 Sierra Along Hwy. 49, 4 miles east of Downeville, north Yuba River canyon. Comment
  CAS-BOT-BC281376  Melica harfordii Catherine Best 1979-6-15 s.n. Sierra Herringtons, Sierra City Comment
  CHSC34825  Melilotus officinalis M. S. Taylor 1981-7-17 4051 Sierra On n side of Hwy 49, ca. 2 mi w of its jct with Hwy 89, ca. 2 mi sw of Calpine. 2011 Comment
  SEINET10452611  Melilotus officinalis Mary Susan Taylor 1981-7-17 Taylor 4051 Sierra T20N R14E nw sec 31, Sierraville NW quad. On N side of Hwy 49, ca. 2 mi W of its jct with Hwy 89, ca. 2 mi SW of Calpine; 6600 ft elev. 2011 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
  SEINET11978644  Mentzelia congesta J. G. Lemmon 1874-1 95 Sierra Sierra Co. &c., Ran[??] Comment
  SEINET11978680  Mentzelia gracilenta J. G. Lemmon 1874-1 = Sierra Sierra Co. &c Comment
  SFV18642  Menyanthes trifoliata J. D. Dilley 2000-9-16 399 Sierra Sierra Nevada Coburn Lake. 7 miles south of Yuba Pass on USFS Route 12. Comment
  SEINET11305284  Mertensia ciliata var. stomatechoides P. B. Kennedy, S. B. Doten 1901-7-5 92 Sierra Webber Lake. Comment
  SJSU14009  Mertensia ciliata var. stomatechoides N. A. Hopkins 1988-6-3 1421 Sierra near Davies Cr on S side Henness Pass between Kyburz Flat & Sardine Valley 1920 Comment
  CAS-BOT-BC428728  Micranthes californica Barbara Keller 1974-5-11 1391 Sierra Highway 49 about 3 mi. North of Indian Valley Campground 792 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
  CHSC66823  Micranthes odontoloma Vernon H. Oswald; Lowell Ahart 1996-8-19 8205 Sierra Northern High Sierra Nevada. Yuba Pass-Weber lake Rd. (Forest Rt. 12) at Long Valley Creek, 1.3 mi S of the road to Bassetts. Along the creek. 2225 Comment
  CAS-BOT-BC429247  Micranthes oregana D. E. Breedlove 1962-6-13 3501 Sierra Along State Highway 89, 4.2 miles north of Sierraville 1524 Comment
  SEINET6167431  Micranthes oregana W. Harnach, N. Harnach 1989-5-13 094 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  UCD37222  Micranthes oregana Beecher Crampton 1958-6-24 4949 Sierra Sierra County, 12 miles south of Sierraville, J. A. Bickford Ranch, near Little Truckee River. 1828 Comment
  UCD38785  Micranthes oregana Beecher Crampton 1958-6-24 4949 Sierra 12 miles south of Sierraville. 1828 Comment
  HSC6026  Microseris nutans R. Spellenberg 1964-6-14 383 Sierra Ca. 4 mi. W of Sierraville Comment
  RSA286287  Microseris nutans R. F. Thorne 1974-7-30 45046 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes area. 2058 Comment
  SJSU4997  Microseris nutans N. A. Hopkins 1968-6-29 126 Sierra Packer L 1950 Comment
  UCD84140  Microsteris gracilis Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  SEINET215089  Microsteris gracilis S. Adams 1967-5-21 33 Sierra 2 mi N of Sierraville 1372 Comment
  SJSU14257  Microsteris gracilis N. A. Hopkins 1989-6-15 1537 Sierra c. 1.5 mi SW of Calpine 1524 Comment
  SCFS454  Mimulus aurantiacus M. Wheelis 1964-6-25 94 Sierra 3 mi W of Downieville, Hwy 49 914 Comment
  UCD122212  Mimulus aurantiacus N. Hopkins 1975-6-16 667 Sierra by trail above Pauley Cr. between 2nd and 3rd Divides. Comment
  UC335561  Mimulus bicolor Lemmon Sierra Webber Lake Comment
  SEINET12329960  Mimulus bifidus F. H. Utech 1986-1 86 -057 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  UC1063533  Mimulus breweri H. S. Yates 1935-6-29 5276 Sierra 1 mi n Gold Lake; Plumas National Forest, Downieville Quadrangle Comment
  JEPS11455  Mimulus guttatus W. L. Jepson 1934-8-2 16796 Sierra 2 mi e Bassett Sta. (Pioneer Road Sta.); North Fork Yuba River 1706 Comment
  JEPS107593  Mimulus lewisii Lowell Ahart 2005-8-30 12346 Sierra On the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2032 Comment
  UC335545  Mimulus lewisii J. G. Lemmon Aug. 1878 Sierra Webber Lake Comment
  JEPS110135  Mimulus microphyllus Lowell Ahart 2006-6-21 12799 Sierra On the west side of the Foote Road, near Blue Ravine, about 3 miles (by road) southwest of Alleghany 1053 Comment
  CHSC43923  Mimulus moschatus L. P. Janeway 1984-8-18 1008 Sierra Near the middle of mdw near second switchback (towards southeast) down from Packers Saddle. 1981 Comment
  POM161629  Mimulus nanus var. jepsonii R. C. Bacigalupi 1927-7-4 1625 Sierra North Fork of Yuba River, 2 miles west of Yuba Park. 1921 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
  JEPS11054  Mimulus primuloides Alma Ames June 1913 20 Sierra summit Yuba Pass Comment
  RSA8066  Mimulus primuloides var. pilosellus H. A. Barker 1927-7-28 836 Sierra Hawley Lake. 2012 Comment
  UCD122843  Mimulus pulsiferae N. Hopkins 1982-6-19 1056 Sierra 1 mi S of Calpine. 1828 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
  JEPS110372  Minuartia douglasii Lowell Ahart 2006-6-21 12812 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  CAS-BOT-BC432927  Mitella breweri M. Lavin 1982-6-27 4155 Sierra Salmon Lake just North of Sierra Buttes. 1981 Comment
  RSA121478  Mitella breweri H. S. Yates 1935-6-29 5277 Sierra 1 mile N of Gold Lake. 1982 Comment
  CAS-BOT-BC221804  Monardella odoratissima G. L. Stebbins 1970-7-25 7076 Sierra Northwest ridge of Mt. Fillmore 1950 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
  CAS-BOT-BC222128  Monardella odoratissima subsp. pallida Gordon H. True 1967-7-31 3664 Sierra Verdi Peak Lookout 2590 Comment
  CAS-BOT-BC222133  Monardella odoratissima subsp. pallida Catherine Best 1983-8-29 875 Sierra Above Packers Lake 1950 Comment
  CAS-BOT-BC222134  Monardella odoratissima subsp. pallida D. E. Breedlove 1962-6-13 3488 Sierra Along State Hwy. 89, 9.3 miles north of Sierraville 1524 Comment
  CDA33303  Monardella odoratissima subsp. pallida Jim Jokerst 1990-7-27 3163 Sierra Balls Ranch Surveys for Jones and Stokes. Burma Summit, 6 miles southeast of Loyalton. Comment
  HSC95637  Monardella odoratissima subsp. pallida James D. Jokerst 1989-7-14 3141 Sierra 1.25 mi. SW of Balls Ranch on knob W of dirt rd. 2043 Comment
  UCSB63978  Monardella odoratissima subsp. pallida Jokerst, James 1989-7-14 Sierra 1.25 mi SW of Balls Ranch on rocky knob W of dirt road: T21N R17E between SE1/4 & SW1/4 of NW1/4 Sect. 29 2042 Comment
  CAS-BOT-BC444753  Montia chamissoi R. K. Gierisch; D. H. Esplin 1969-6-25 3489 Sierra Tahoe National Forest. Saddle Mdw. Comment
  SEINET9140557  Montia chamissoi W. Harnach 1989-5-13 081 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (Elvers). 1518 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
  CAS-BOT-BC444754  Montia chamissoi W. Harnach; N. Harnach 1990-6-6 341 Sierra Sierra Valley. Martinetti Ranch 1517 Comment
  CAS-BOT-BC444757  Montia chamissoi Lowell Ahart 1981-6-23 2872 Sierra On the north side of the road and near the base of Mt. Edna. 2000 Comment
  SEINET9141933  Montia fontana P. B. Kennedy, S. B. Doten 1901-7-5 90 Sierra [Sierra Nevada] Webber Lake. Comment
  SCFS1140  Montia linearis F. Felix 2015-1 Sierra Railroad trestle above Stampede Reservoir, near Sagehen Creek Comment
  UCD84073  Montia linearis 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
  SEINET3025748  Montia linearis Rimo Bacigalupi, Lincoln Constance 1959-6-15 7129 Sierra Just southwest of Sierraville, Sierra Valley 1510 Comment
  RSA755622  Montia parvifolia George K. Helmkamp, E. A. Helmkamp 2009-5-28 14859 Sierra along CA-49, 1.8 miles north of the Yuba County line 884 Comment
  SD241157  Montia parvifolia George K. Helmkamp, E. A. Helmkamp 2011-6-9 17537 Sierra Northern Sierra Nevada Mountains Foothills: 5.9 miles north of Camptonville along CA-49, about 1.2 miles northeast of the Yuba C. line (Camptonville 7.5'Q) 899 Comment
  UCR249147  Montia parvifolia George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20759 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  JEPS124505 Image available Montia perfoliata Virginia Hardham 1965-6-29 32 Sierra Up road from intersection HWY 49 on way to Good Years Bar. Comment
  HSC47835  Muhlenbergia andina Michael A. Watkins 1978-9-20 131 Sierra Foothills of the Sierra Nevada Mtns., 10 mi. NW of Johnsville on property of the Cowell Mine Comment
  CAS-BOT-BC267039  Muhlenbergia filiformis W. R. Dudley 1909-8-27 s.n. Sierra E of Hot Springs 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
  CAS-BOT-BC275169  Muhlenbergia richardsonis Catherine Best 1982-7-10 715 Sierra Near the Little Truckee River about 15 miles NW of Truckee Comment
  JEPS113915  Muhlenbergia richardsonis W. and N. Harnach 2000-9-9 1007 Sierra Sierra VAlley 1 mile esst of Calpine, CA ans 0.75 miles north of Calpine Road. (home) Comment
  SEINET12097219  Myosurus apetalus J. G. Lemmon 1874-1 2 Sierra Passing to m minimus Comment
  CAS-BOT-BC83239  Myosurus minimus R. K. Wellman 1981-5-1 039 Sierra Sierra Valley Marsh 2 miles east of County Road A-23 on Marble Hot Springs Road. 1402 Comment
  SEINET5520877  Nama lobbii H. M. Hall, E. B. Babcock 4490 Sierra Sardine Lake 1829 Comment
  SEINET11294437  Nasturtium officinale W. Harnach, N. Harnach 1989-5-13 082 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (Elvers). 1518 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
  UCD48322  Navarretia breweri G. F. Hrusa; E. Sandoval 1993-5-3 11145 Sierra Annual, scattered in openings among Artemisia arbuscula on flats of E side Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). 1650 Comment
  CHSC105786  Navarretia capillaris Lowell Ahart 2010-9-15 17164 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
  CHSC106596  Navarretia capillaris B. Castro; L. P. Janeway 2001-7-1 1270 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
  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
  SJSU12199  Navarretia divaricata N. A. Hopkins 1983-7-9 1160 Sierra c. 1 mi SW of Calpine 1524 Comment
  UC335366  Navarretia divaricata subsp. vividior unknown 1873-1 Sierra Comment
  JEPS70414  Navarretia intertexta subsp. propinqua John Gill Lemmon 1874-1 Sierra Sierra Valley Comment
  SEINET14057832  Navarretia intertexta subsp. propinqua W. Harnach, N. Harnach 2000-6-17 916 Sierra Sierra Valley, 1/2 mile west of the intersection of Mtn. Quail Road with Hwy 89, about 2 miles south of Calpine 1524 Comment
  OBI11483  Navarretia leptalea Carl B. Wolf 1937-8-6 9058 Sierra N Sierra Nevada, Church Meadows, SE of Gold Lake 2042 Comment
  UC908730  Navarretia leptalea subsp. bicolor P. B. Kennedy 1929-7-20 Sierra above Lusk's Meadows (Salmon Lakes); , above Lusk's Meadows 2042 Comment
  SEINET14151895  Navarretia leptalea subsp. bicolor P. B. Kennedy, S. B. Doten 1901-7-8 116 Sierra [Sierra Nevada] Near Webber Lake Comment
  SEINET14151927  Navarretia leptalea subsp. bicolor H. M. Hall, E. B. Babcock 4470 Sierra Sierra Valley 1524 Comment
  UC1561832  Navarretia leptalea subsp. leptalea Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7215 Sierra ca 12 air mi n Truckee (head of Little Truckee River, ca 1.5 mi e of Hwy 89 on Tahoe National Forest Rd S450, n end of Kyburz Flat); Kyburz Flat, Little Truckee River 1920 Comment
  SD129709  Navarretia leptalea subsp. leptalea Barbara Ertter, Tahoe Chapter CNPS 1987-6-27 7215 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, upper end of flat N of road edge of meadow 1920 Comment
  SEINET14152003  Navarretia leucocephala subsp. minima W. Harnach, N. Harnach 1989-6-4 129 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch (home). 1506 Comment
  CAS-BOT-BC230403  Navarretia leucocephala subsp. minima W. R. Dudley 1894-9-1 s.n. Sierra Lake of Woods (or Webber Lake Meadow) Comment
  SJSU15107  Navarretia leucocephala subsp. minima N. A. Hopkins 1992-7-21 1716 Sierra Knudson Meadow N of Carman Cr Comment
  JEPS2981  Nemophila parviflora var. austiniae L. Constance 1938-6-9 2304 Sierra e side Yuba Pass (2.4 mi nw Sattley); e side Yuba Pass, 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
  SEINET6174436  Nicotiana attenuata W. Harnach, N. Harnach 1990-7-29 481 Sierra Sierra Valley, ca 1/4 mi. S of Plumas-Sierra Co. line on A-23. 1503 Comment
  CAS-BOT-BC349921  Nothocalais troximoides W. Harnach; N. Harnach 1989-5-21 111 Sierra Sierra Valley. Calpine Ranch (home) 1505 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
  UCR230985  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 899 Comment
  UCD110242  Notholithocarpus densiflorus J. M. Tucker 1974-9-14 4335 Sierra ca. 60-70 yards north of the main entrance to Rose Ranch, ca. 8 miles (by road) northeast of Strawberry Valley (in Yuba County), on Sierra-Yuba county line. 1371 Comment
  SBBG50703  Notholithocarpus densiflorus var. densiflorus J. M. Tucker 1974-9-14 4336 Sierra across rd from and near main entrance to Rose Ranch, ca. 8 mi (by rd) NE of Strawberry Valley on Sierra-Yuba county line 1371 Comment
  CHSC50836  Oenothera deltoides subsp. piperi Vernon Oswald; Lowell Ahart 1990-7-25 4393 Sierra Staverville Rd ca. 0.5 mi east of Balls Ranch. On a roadside slope. 1798 Comment
  CHSC67116  Oenothera deltoides subsp. piperi James D. Jokerst 1989-7-14 3136 Sierra Adjacent to Staverville Rd. in Balls Canyon ca. 0.33 mi E of Balls Ranch. 1828 Comment
  CAS-BOT-BC349946  Onopordum acanthium T. C. Fuller 1964-12-2 12918 Sierra At the top of the n. bank of Sunrise Creek, ca. 1 mi. n.w. of Verdi, Nevada, 100 yds s. of Dog Valley Rd. & 100 yds. w. of the Stateline in Sierra Co. Comment
  CAS-BOT-BC355582  Oreostemma alpigenum var. andersonii L. P. Janeway 1991-9-23 4143 Sierra Plumas National Forest, Beckwourth Ranger District. Near head of a tributary of Sulphur Creek, 1/4 mi east of Chapman Saddle and 2 mi east-southeast of Haskell Peak 2042 Comment
  CAS-BOT-BC355589  Oreostemma alpigenum var. andersonii R. F. Thorne; C. W. Tilforth 1969-9-6 39212 Sierra Haven Lake (between Goose and Snag Lakes) 1950 Comment
  JEPS118127  Oreostemma alpigenum var. andersonii Dean W. Taylor 2009-8-4 20731 Sierra Yuba Pass, about 80 m N of the junction of Hwy 49 and the snow park parking lot entrance road 2042 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
  CHSC42002  Orobanche fasciculata Lowell Ahart 1973-5-25 243 Sierra Found about 4 miles south-west of Alleghany. 914 Comment
  UCD160581  Orobanche fasciculata G. Ledyard Stebbins 1978-7-18 s.n. Sierra Tahoe National Forest. Northeast of the Bald Mountain Range, below Peavine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS64572  Orobanche parishii subsp. parishii R. E. Talbert 1962-8-30 Sierra ca. 1.5 mi. n. Sierraville (Warner Ranch); Warner Ranch Comment
  UCR207034  Orobanche uniflora George K. Helmkamp, E. A. Helmkamp 2009-5-28 14847 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  CHSC105548  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
  CHSC44001  Orthilia secunda L. P. Janeway 1984-8-25 1067 Sierra Snag Lake. 2026 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
  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-BC458067  Orthilia secunda Anna Head 1921-7-23 s.n. Sierra Feather River Region, shores of Gold Lake Comment
  CAS-BOT-BC238405  Orthocarpus W. Harnach; N. Harnach 1989-5-21 108 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  CAS-BOT-BC238406  Orthocarpus W. Harnach; N. Harnach 1989-5-21 109 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  RSA151642  Orthocarpus campestris R. C. Bacigalupi, H. L. Mason, J. R. Sweeney 1953-7-8 4292 Sierra Middle of Sierra Valley, along road southward from Hawley RR Station on the WP RR (main line) to Loyalton. 1482 Comment
  UCD123231  Orthocarpus cuspidatus subsp. copelandii N. Hopkins Date Unknown 1103 Sierra Tahoe Forest, Bald Mtn. Comment
  RSA152461  Orthocarpus hispidus R. C. Bacigalupi, H. L. Mason, J. R. Sweeney 1953-7-7 4273 Sierra Near Calpine, Sierra Valley. 1494 Comment
  UC1277993  Orthocarpus luteus B. Crampton 1957-7-24 4415 Sierra 4 mi ne Sattley (Van Vleck Ranch); ne of Sattley Comment
  SJSU14024  Orthocarpus luteus N. A. Hopkins 1988-7-26 1466 Sierra by Filippini Rd NW of E Canal 4 mi NW of Loyalton 1493 Comment
  SEINET11132603  Osmorhiza berteroi W. Harnach, N. Harnach 1991-7-14 625 Sierra Sierra Valley, Coburn Lake, ca 0.25 mile below outlet to lake. 2280 Comment
  RSA39079  Osmorhiza berteroi P. A. Munz 1948-8-11 12328 Sierra Carvin Creek on Hwy 49, NE of Sierra City 1738 Comment
  JEPS102455  Oxypolis occidentalis Lowell Ahart 2001-9-28 9295 Sierra On the east side of the large meadow, east of the old homestead, about 1 1/4 miles north of Scales, about 2 miles (air) southeast of Poverty Hill (town). 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
  CAS-BOT-BC317117  Packera pseudaurea var. pseudaurea Harvey Monroe Hall; E. B. Babcock 1903-7-1 4478 Sierra Sierra Nevada Mountains. Sierraville. Comment
  CHSC80930  Packera streptanthifolia Lowell Ahart 2001-8-10 9101 Sierra Base of a steep bluff, about 100 feet southwest 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
  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
  JEPS25523  Paeonia brownii Rimo Bacigalupi with Lincoln Constance 1959-6-15 7134 Sierra along road to Loyalton 5 mi n Sierraville (at base of hills bordering e edge of Valley); Sierra Valley Comment
  UC585066  Paeonia brownii E. B. Babcock and G. L. Stebbins Jr. 1936-6-5 1719 Sierra 8 mi s Loyalton; Lewis Mill Ranger Station 1969 Comment
  UCD88190  Panicum acuminatum var. fasciculatum A. A. Beetle 1944-8-17 3056 Sierra North fork of Yuba River, 8 miles below Downieville. 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
  CAS-BOT-BC202811  Paxistima myrsinites Gordon H. True 1962-5-1 507 Sierra On Camptonville-Downieville Highway, at North Yuba Bridge 685 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
  JEPS10736  Pedicularis groenlandica W. L. Jepson 1934-8-3 16843 Sierra 2 mi e of Bassett Station (Pioneer Road Station, on the North Fork of the North Fork Yuba River); North Fork Yuba River 1706 Comment
  UCD123363  Pedicularis groenlandica F. A. MacFadden 1934-6-29 s.n. Sierra Little Truckee River, 13 miles from Truckee on Reno Rd. via Hobart Mills. 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
  CHSC43493  Pedicularis semibarbata Lowell Ahart 1975-8-17 942 Sierra South-east of Jones Valley, about 3 miles west and 2 miles south of Webber Lake. 2286 Comment
  UC1125740  Pedicularis semibarbata H. S. Yates 1935-6-29 5286 Sierra 1 mi n of Gold Lake; Plumas National Forest 1981 Comment
  UC65855  Pedicularis semibarbata P. B. Kennedy and S. B. Doten 1901-7-11 144 Sierra Webber Lake 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
  CHSC52490  Pellaea bridgesii L. P. Janeway 1984-8-18 1030 Sierra Ridge south of the mdws near the second switch-back down from Packers Saddle. 2042 Comment
  CAS-BOT-BC71263  Pellaea bridgesii Lowell Ahart 1983-10-27 4469 Sierra north side of Milton Res., near Jackson Meadow Res. 1800 Comment
  UC338824  Pellaea bridgesii J. G. Lemmon 690 Sierra Mts of Webber Lake Webber Lake Comment
  UC525526  Penstemon azureus var. azureus J. G. Lemmon 713 Sierra Comment
  POM297966  Penstemon davidsonii subsp. davidsonii J. G. Lemmon 1875-1 217 Sierra [No location information provided.] Comment
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Dec 10 2015
  NY591830  Penstemon deustus var. pedicellatus F. W. Pennell 1940-6-12 25846 Sierra Route 89, along Little Truckee River, Sierraville 1889.8 Comment
  NY591829  Penstemon deustus var. pedicellatus F. W. Pennell 1940-6-12 25838 Sierra Route 89, along Gold Creek, south of Sierraville. 1737.4 Comment
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Feb 25 2014
  SEINET5326666 Image available Penstemon deustus var. pedicellatus P. B. Kennedy, Samuel Bradford Doten 1901-7-8 128 Sierra [Sierra Nevada] Webber Lake Comment
  CHSC63179  Penstemon deustus var. suffrutescens Lowell Ahart 1994-7-1 7421 Sierra On slope on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) northeast of Alleghany. 1950 Comment
  UC1063168  Penstemon gracilentus G. T. Nordstrom 1936-7-9 925 Sierra 2 mi nw Dog Valley; Tahoe National Forest,Sierraville Quad., nw of Dog Valley Comment
  UC406901  Penstemon gracilentus Leland S. Smith 1928-6-30 2446 Sierra Yuba Pass Yuba Pass (along road) 1981 Comment
  UC65848  Penstemon gracilentus P. B. Kennedy and S. B. Doten 1901-7-8 135 Sierra Webber Lake Comment
  NY600737  Penstemon gracilentus C. Best 1983-8-29 868 Sierra Growing on the road above Packers Lake 1950.7 Comment
  POM203458  Penstemon gracilentus L. S. Rose 1934-7-1 34299 Sierra NE of Gold Lake. 2104 Comment
  RSA420438  Penstemon gracilentus Robert Gustafson 1985-6-13 3167 Sierra SFSU Sierra Nevada Field Station, ca. 6 miles below Yuba Pass summit on Highway 49. 1921 Comment
  RSA8057  Penstemon gracilentus H. A. Barker 1927-7-6 790 Sierra Gold Lake. 1951 Comment
  SEINET12334040  Penstemon gracilentus L. P. Janeway 1989-1 3535 Sierra Sierra City, Haskell Pk overlooking hwy89 and Sulphur Cr 2179 Comment
  SEINET5328461 Image available Penstemon gracilentus P. B. Kennedy, Samuel Bradford Doten 1901-7-8 13 Sierra Canyon below Webber Lake on hillside under pines Comment
  UC169693  Penstemon heterodoxus J. G. Lemmon 1874-1 Sierra Comment
  NY601575  Penstemon heterodoxus var. heterodoxus J. G. Lemmon 1874-1 149 Sierra Comment
  SEINET3820887 Image available Penstemon newberryi Lewis S. Rose 1934-7-10 34344 Sierra Granite Ledge, west Gold Lake. 2134 Comment
  CAS-BOT-BC239322  Penstemon newberryi var. berryi H. Albert Barker 1926-7-8 79 Sierra Gold Lake Ridge 2072 Comment
  CAS-BOT-BC239329  Penstemon newberryi var. berryi George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC239330  Penstemon newberryi var. berryi Mrs. E. C. Sutliffe 1927-6-22 s.n. Sierra At Salmon Lake Comment
  SEINET5329217 Image available Penstemon newberryi var. newberryi P. B. Kennedy, Samuel Bradford Doten 1901-7-10 141 Sierra Canyon below Webber Falls Comment
  UC174783  Penstemon newberryi var. newberryi J. G. Lemmon 1874-1 Sierra Comment
  UC1971327  Penstemon procerus Lewis S. Rose 1934-7-1 34299 Sierra NW of Gold Lake 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
  CHSC37210  Penstemon roezlii L. Ahart 1982-7-28 3719 Sierra Along the dirt rd near the Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  SJSU5134  Penstemon roezlii N. A. Hopkins 1968-6-28 134 Sierra Packer L 1950 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
  CAS-BOT-BC239629  Penstemon rydbergii var. oreocharis R. K. Gierisch; D. H. Esplin 1969-7-8 3509 Sierra Tahoe National Forest, Saddle Mdw. Comment
  CAS-BOT-BC239630  Penstemon rydbergii var. oreocharis L. S. Smith 1928-6-30 2435 Sierra Tahoe National Forest, Yuba Pass, meadow on summit 2042 Comment
  CAS-BOT-BC239636  Penstemon rydbergii var. oreocharis W. Harnach; N. Harnach 1989-6-10 139 Sierra Sierra Valley. Strang Creek on hwy. 49 1502 Comment
  UCD84114  Penstemon rydbergii var. oreocharis Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  UCSB27037  Penstemon rydbergii var. oreocharis Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of State Highway 49, on road to Graeagle, Sierra Buttes, Sierra Nevada 1981 Comment
  CDA41990  Penstemon rydbergii var. oreocharis T. C. Fuller 1962-6-14 9018 Sierra East slope of Yuba Pass, Hwy 49 to Sierra City, 2.1 miles west of Sattley. 0 Comment
  SEINET5329669 Image available Penstemon rydbergii var. oreocharis G. Gifford 1980-7-26 s.n. Sierra Dog Valley in Marsh adjacent to the N of Dog Valley Campground 1920 Comment
  SEINET5329690 Image available Penstemon rydbergii var. oreocharis S. B. Doten 1901-6-20 55 -A Sierra Near Little Truckee River Comment
  CDA12300  Penstemon speciosus G. F. Hrusa 1991-7-4 8566 A Sierra Sierra Valley; Antelope Valley, approx. 1.5 miles from Sierraville Rd. Comment
  CHSC73826  Penstemon speciosus B. Castro; M. A. Griggs, Plumas NF botanists 1997-7-10 760 Sierra Bunker Hill Ridge, on ridge crest E of Duck Soup Pond, along Pacific Crest Trail. 2118 Comment
  UC335608  Penstemon speciosus J. G. Lemmon Aug. 1874 Sierra Webber Lake Comment
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Mar 20 2006
  RSA7947  Penstemon speciosus H. A. Barker 1927-7-6 793 Sierra Gold Lake 1982 Comment
  CAS-BOT-BC211258  Perideridia Charlotte Pyle 1978-8-1 s.n. Sierra Sierra Buttes Comment
  CDA38516  Perideridia bolanderi W. E. Simonds 1960-7-4 s.n. Sierra Webber Lake. 0 Comment
  SEINET12119302  Perideridia bolanderi Bolander 1874-1 s.n. Sierra Sierra Co., &c Comment
  RSA8000  Perideridia bolanderi subsp. bolanderi H. A. Barker 1927-7-11 804 Sierra Gold Lake 1966 Comment
  SEINET12119288  Perideridia gairdneri J. G. Lemmon 1874-1 s.n. Sierra Sierra Co., &c Comment
  CAS-BOT-BC222710  Perideridia gairdneri subsp. gairdneri L. S. Smith 1925-7-24 1691 Sierra Tahoe National Forest. Webber Lake meadow 2063 Comment
  UC1389943  Perideridia lemmonii T. I. Chuang and R. Bacigalupi 1963-8-1 5912 Sierra ca 12 mi n Sierra City Comment
  CAS-BOT-BC222768  Perideridia parishii John Thomas Howell 1969-9-13 46119 Sierra Little Truckee River near outlet of Webber Lake 2042 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
  CHSC69856  Perideridia parishii subsp. latifolia L. P. Janeway; Eric Schroder 1997-8-14 5337 Sierra Tahoe National Forest. Freeman Meadow along Church Creek; about 2.3 mi east of Gold Lake. 2072 Comment
  JEPS125825  Perideridia parishii subsp. latifolia William Harnach 2012-8-1 1283 Sierra Approximately 0.3 miles North of Highway 49 (Old Pioneer Road House site) 2 miles East of Bassetts Station. Comment
  RSA14392  Perideridia parishii subsp. latifolia Elmer I. Applegate 1921-9-7 3363 Sierra Gold Lake 1982 Comment
  SEINET8655769  Perideridia parishii subsp. latifolia W. Harnach 2012-8-1 1283 Sierra Approx 0.3 miles north of Hwy 49 (Old Pioneer Road House site) 2 miles east of Bassetts Station 1890 Comment
  RSA748573  Perideridia parishii subsp. parishii K. M. Meyer, A. Townesmith 2007-7-15 115 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  SEINET10695170  Perideridia parishii subsp. parishii Karen M. Meyer, Andrew Townesmith 2007-7-15 Meyer 115 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  SEINET5764748  Phacelia hastata var. hastata W. Harnach, Nancy Harnach 1990-6-30 452 Sierra Sierra Valley, Yuba Pass 2042 Comment
  SEINET5759546  Phacelia heterophylla var. virgata P. B. Kennedy, S. B. Doten 1901-7-8 131 Sierra [Sierra Nevada] Near Webber Lake Comment
  SEINET5759550  Phacelia heterophylla var. virgata P. B. Kennedy, S. B. Doten 1901-7-8 131 Sierra [Sierra Nevada] Near Webber Lake Comment
  UC1586490  Phacelia humilis Lowell Ahart 1991-7-22 6695 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nnw of Webber Lake); French Meadow 2133 Comment
  UC354490  Phacelia humilis David D. Keck 1928-6-13 432 Sierra se Sierraville (along Lemmon Canyon road, s side of point); Sardine POint 579 Comment
  SEINET5520971  Phacelia humilis P. Lehenbauer 1925-6-11 1345 Sierra Balls Canyon, near lower Ranch House Comment
  CHSC64309  Phacelia humilis var. humilis H. H. Schmidt; M. Merello, L. Woodruff 1993-6-12 839 Sierra Tahoe National Forest. Road to Weber Lake. 3.2 miles W of state highway 89. 1950 Comment
  SBBG120350  Phacelia hydrophylloides D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16754 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 Comment
  SEINET5519317  Phacelia linearis W. Harnach, N. Harnach 1990-5-11 287 Sierra Sierra Valley, Plumas-Sierra county line on hwy 49, north of Loyalton 1524 Comment
  JEPS1191  Phacelia linearis John G. Lemmon 286 Sierra Sierra Valley 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
  CHSC94140  Phacelia mutabilis Lowell Ahart 2006-6-28 12876 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
  SBBG22446  Phacelia mutabilis H. and M. Dearing 1939-7-4 Sierra Gold Lake Comment
  SEINET5507906  Phacelia mutabilis W. Harnach, N. Harnach 1989-6-25 180 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch (home). 1509 Comment
  SJSU13914  Phacelia mutabilis N. A. Hopkins 1986-6-30 1336 Sierra on bald ridge 2158 Comment
  CAS-BOT-BC154295  Phacelia ramosissima Gordon H. True 1967-7-31 3668 Sierra Verdi Peak Road about 1/2 mile below summit 2499 Comment
  CAS-BOT-BC154296  Phacelia ramosissima Gordon H. True; John Thomas Howell 1970-7-14 5556 Sierra Verdi Peak Road, ca. 3 miles from intersection with Dog Valley-Stampede Dam Road 2346 Comment
  UCD149511  Phacelia vallicola G. L. Stebbins 1970-7-4 7035 Sierra 2 miles north of Downieville. In canyon of Lavezzola Creek. (Exact location unknown. Coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC72714  Philadelphus lewisii Carl B. Wolf 1937-8-6 9045 Sierra Northern Sierra Nevada, No. Fork of Yuba River, 2 1/2 mi. above Downieville 975 Comment
  JEPS78108  Philadelphus lewisii Gary W. Zamzow 1972-6-27 29 Sierra along Hwy 49 2 mi e Downieville (on n side of road) 914 Comment
  SDSU902  Philadelphus lewisii D. F. Howe 1959-8-2 2775 Sierra 15 1/2 miles west pf Downieville on #49. 914 Comment
  CHSC66832  Phleum alpinum Vernon H. Oswald; Lowell Ahart 1996-8-19 8208 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) at Long Valley Creek, 1.3 mi S of the road to Bassetts. Meadow along the creek. 2225 Comment
  JEPS75592  Phleum pratense W. L. Jepson 1934-8-2 16784 Sierra 2 mi e Bassett sta. (Pioneer road sta., North Fork Yuba River); North Fork Yuba River 1706 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
  UC1124177  Phlox diffusa G. T. Nordstrom 1936-7-9 907 Sierra 2.25 mi nnw Dog Valley; Sierraville Quad. 2133 Comment
  UCR59547  Phlox diffusa B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0943 Sierra Sierra Nevada Mtns., Plumas National Forest, Gold Lake, near the boat ramp 1960 Comment
  RSA517274  Phlox diffusa subsp. diffusa B. Pitzer, S. Morgan, H. M. Soldan 1988-5-29 943 Sierra Gold Lake, near the boat ramp, Plumas National forest. Comment
  UC908447  Phlox gracilis Herbert L. Mason 1924-6-18 1059 Sierra 1 mi from Gold Lake (near Plumas-Sierra County line) 1981 Comment
  CHSC64330  Phlox hoodii subsp. canescens H. H Schmidt; L. Woodruff 1993-6-12 844 Sierra Tahoe National Forest. Road to Weber Lake. 3.2 miles W of state highway 89. 1950 Comment
  POM282417  Phlox speciosa subsp. occidentalis J. W. Morrison s.n. Sierra Loyalton, Sierra Nevada mountain range, Sierra Valley drainage 1524 Comment
  SEINET11299897  Phoenicaulis cheiranthoides W. Harnach, N. Harnach 1989-4-13 020 Sierra Sierra Valley, Approx 5 miles N of Sierraville on Hwy 49, Newman Point 1531 Comment
  SEINET10325015  Phoradendron juniperinum W. Harnach, N. Harnach 2002-5-27 1064 Sierra 8 miles S of the intersection of Hwy 49 and Smithneck Road (Loyalton) and 0.9 mile E on Badnaugh Road. Comment
  CHSC97713  Phoradendron villosum Lowell Ahart 2007-10-25 14504 Sierra About 10 yards east of Port Wine Ridge Road and the remains of two old buildings, about 1 1/2 miles north of Scales, about 5 miles (air) south of La Porte. 1432 Comment
  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
  UC965488  Pilularia americana Herbert L. Mason 1952-7-19 14449 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth rd.); Sierra Nevada, Sierra Valley 1524 Comment
  CAS-BOT-BC78492  Pinus contorta subsp. murrayana W. R. Dudley 1894-6-13 s.n. Sierra Trail to Clouds Rest, Yosemite Valley Comment
  SEINET11528634  Pinus contorta var. murrayana P. Lehenbauer 1936-10-4 s.n. Sierra Gold Lake. Comment
  CAS-BOT-BC78706  Pinus jeffreyi John Thomas Howell; Gordon H. True 1970-7-14 5517 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  UC496208  Pinus jeffreyi Rutter and Atkinson 1899-9-17 Sierra Sierraville Comment
  CAS-BOT-BC73135  Pinus lambertiana H. Albert Barker 1926-7-22 148 Sierra Gold Lake, from Sugar Pine on hill opposite 1st point on left side of lake. 1981 Comment
  RSA261591  Pinus washoensis Trudy R. Ericson 1976-7-3 575 Sierra Approx. 2 miles northeast of Babbit Peak Lookout Station, Tahoe National Forest. 2671 Comment
  SEINET5323924  Pinus washoensis D. A. Charlet, C. Ross 1996-7-24 2304 Sierra Sierra Nevada Bald Mountain Range, Burma Summit, Toiyabe National Forest 2396 Comment
  CHSC50699  Piperia unalascensis Lowell Ahart 1990-6-29 6530 Sierra South of Gold Run Creek, west of Poverty Hill (Poverty Hill Hydraulic Mine). 1524 Comment
  SCFS5181  Pisum sativum Marc Chamberlain 1973-6-28 44 Sierra 25 miles from Truckee north on Highway 89. Comment
  CAS-BOT-BC169554  Plagiobothrys W. Harnach; N. Harnach 1990-6-12 361 Sierra Sierra Valley. Calpine Ranch (home) 1504 Comment
  UCR242985  Plagiobothrys cusickii 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
  CAS-BOT-BC228233  Plagiobothrys hispidulus John Thomas Howell; Gordon H. True 1970-7-14 5535 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  CHSC43395  Plagiobothrys hispidulus Lowell Ahart 1975-8-17 955 Sierra On a gravel bar, near Pass Creek, in Jones Valley, about 3 miles west and 2 miles south of Webber Lake. 2286 Comment
  JEPS61029  Plagiobothrys hispidulus W. I. Follett 1937-6-18 85 Sierra Mohawk Creek Little Valley Comment
  CAS-BOT-BC228234  Plagiobothrys hispidulus R. K. Gierisch; D. H. Esplin 1969-6-27 3502 Sierra Tahoe area 2133 Comment
  SEINET10497617  Plagiobothrys hispidulus Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4483 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
  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
  UCD84138  Plagiobothrys mollis var. mollis Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  UC573630  Plagiobothrys reticulatus H. S. Yates 1935-6-28 5272 Sierra 5 1/4 mi ne Sattley; Sierraville Quad. 1493 Comment
  UCD120957  Plagiobothrys torreyi H. Spanglet 1995-8-2 s.n. Sierra Kyburz Flat. Comment
  UC79570  Plagiobothrys torreyi var. diffusus J. G. Lemmon 1875-1 207 Sierra Comment
  SEINET9162886  Plantago lanceolata H. Hamlin 1904-1 s.n. Sierra Sierra Valley. Comment
  SEINET6167913  Platanthera dilatata var. leucostachys W. Harnach, N. Harnach 1989-1 Sierra Comment
  CHSC105661  Platanthera sparsiflora Lowell Ahart 2010-9-15 17185 Sierra In deep shade under strees, 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
  UC1609491  Platanthera sparsiflora Lowell Ahart 1993-9-10 7191 Sierra about 1 mi sw of the dirt road from Gibsonville to Johnsville (at the end of a poor dirt road where there is a camp and water ditch, on the n side of Mount Fillmore); Mount Fillmore 2133 Comment
  CHSC85301  Pleuricospora fimbriolata John Dittes; Lowell Ahart 2003-9-28 836 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. 2159 Comment
  CAS-BOT-BC261028  Poa W. Harnach; N. Harnach 1989-5-18 099 Sierra Calpine Ranch (home), Sierra Valley 1505 Comment
  CAS-BOT-BC261068  Poa W. Harnach; N. Harnach 1990-4-22 275 Sierra Newman point, east side of hwy and up the slope, Sierra Valley 1584 Comment
  JEPS75577  Poa bolanderi W. L. Jepson 1934-8-6 16863 Sierra Yuba Pass 2011 Comment
  UC34012  Poa bolanderi C. F. Sonne 1892-8-7 4 Sierra Webber Lake; Sierra Nevada Mts Comment
  CAS-BOT-BC254983  Poa bulbosa W. Harnach; N. Harnach 1989-5-18 100 Sierra Calpine Ranch (home) 1505 Comment
  CAS-BOT-BC254984  Poa bulbosa W. Harnach; N. Harnach 1989-4-23 044 Sierra E slope Sattley Hill 1520 Comment
  SEINET7744979  Poa bulbosa W. Harnach, N. Harnach 1989-4-23 044 Sierra Sierra Valley; Sattley, E slope Sattley Hill. 1521 Comment
  SEINET7826717  Poa fendleriana W. Harnach, N. Harnach 1990-4-22 275 Sierra Sierra Valley, Approx 5 N of Sierraville on Hwy 49, Newman point (East side of Highway and up the slope) 1585 Comment
  JEPS71276  Poa fendleriana subsp. longiligula Leland S. Smith 1928-6-12 2338 Sierra above Hennis Pass; Tahoe Forest 1981 Comment
  UCD38322  Poa howellii Beecher Crampton 1954-5-10 1848 Sierra Along State Hwy 49, 5 miles northeast of Camptonville. Comment
  UCD91100  Poa howellii Beecher Crampton 1954-5-10 1848 Sierra on south slope of the North Yuba River, along State Hwy. 49, 5 miles northeast of Camptonville. Comment
  SEINET10660405  Poa lemmonii John G. Lemmon 1875-1 Lemmon 3 Sierra Nevada Mts. Comment
  SEINET7850218  Poa pratensis W. Harnach, N. Harnach 1994-6-29 790 Sierra Sierra Valley, Carmen Valley (Knutson Meadows), Approx 2 air miles N of Calpine, road near SFSU and USFS bird banding s ite (old sheep bedding area). Comment
  UCD91838  Poa pratensis A. A. Beetle 1944-8-17 3057 Sierra north fork of Yuba River, 8 miles below Downieville. Comment
  UCD91871  Poa pratensis Beecher Crampton 1954-5-10 1857 Sierra Hwy. 49, 2.5 miles west of Sattley. 1676 Comment
  UC149786  Poa pratensis subsp. pratensis H. M. Hall and E. B. Babcock July, 1903 4478 Sierra Sierra Valley; Sierra Nevada Mts 1524 Comment
  CAS-BOT-BC236290  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5415 Sierra Sierra Valley, 1.5 miles N of Sattley, on Feather River road 1524 Comment
  CAS-BOT-BC247062  Poa secunda subsp. juncifolia John Thomas Howell; Gordon H. True 1970-7-14 5493 Sierra West side of Dog Valley ca. 5 miles northwest of Verdi (Nevada) 1889 Comment
  UCD84067  Poa secunda subsp. juncifolia Ayzik Solomeshch 2009-6-9 s.n. Sierra 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
  SEINET7857190  Poa secunda subsp. juncifolia W. D. Billings 1935-5-25 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC243208  Poa secunda subsp. secunda John Thomas Howell; R. C. Barneby 1954-5-14 29545 Sierra Sierra Valley near Sattley 1524 Comment
  CAS-BOT-BC243211  Poa secunda subsp. secunda S. B. Doten 1901-6-16 48 Sierra Sierra Valley Comment
  JEPS70658  Poa secunda subsp. secunda Leland S. Smith 1926-4-13 1773 Sierra Alleghany Rd, above crossing Alleghany Rd; Tahoe Forest 609 Comment
  UC1609521  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
  UC717972  Poa secunda subsp. secunda David D. Keck 1944-7-8 5411 Sierra 1.5 mi n Sattley (on Feather River Rd); Sierra Nevada, Sierra Valley 1524 Comment
  SEINET7862749  Poa secunda subsp. secunda P. A. Lehenbauer 1937-6-8 88 Sierra 25 miles West of Reno, Nevada on Truckee river, at Iceland, S side of river by falls. 1676 Comment
  SEINET7865016  Poa secunda var. secunda B. Crampton 1954-5-10 1852 Sierra 7 miles Northeast of Camptownville, South Canyon Slope of North Yuba River Comment
  CAS-BOT-BC244173  Poa trivialis Catherine Best 1984-6-20 1024 Sierra Herringtons, Sierra City Comment
  CAS-BOT-BC244174  Poa trivialis Catherine Best 1981-6-19 s.n. Sierra Herringtons, Sierra City Comment
  SEINET7875879  Poa wheeleri P. B. Kennedy, S. B. Doten 1901-7-10 139 Sierra Canyon below Webber Lake. Comment
  SEINET13762918  Polemonium californicum P. B. Kennedy 1901-7-1 67 Sierra [Sierra Nevada] Webber Lake Comment
  SJSU4157  Polemonium micranthum C. W. Sharsmith & W. Savage 1967-5-20 7530 Sierra by Sierraville-Loyalston Rd 5 mi N of Sierraville, Sierra Valley 1478 Comment
  POM297945  Polemonium occidentale J. G. Lemmon 1874-1 s.n. Sierra [No location informaiton provided on label.] Comment
  SEINET13761569  Polemonium occidentale subsp. occidentale W. Harnach, N. Harnach 1989-6-10 138 Sierra Sierra Valley, Strang Creek on Hwy 49, 100 yds east of Strang Ck. 1503 Comment
  SBBG67660  Polygala cornuta var. cornuta J. G. Lemmon -Jun-1877 Sierra Downieville Buttes 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
  SJSU15110  Polygonum argyrocoleon N. A. Hopkins 1992-7-21 1707 Sierra Knudson Meadow N of Carman Cr Comment
  CHSC105780  Polygonum aviculare 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
  UC570302  Polygonum aviculare subsp. buxiforme H. S. Yates 1935-6-28 5270 Sierra 5 1/4 miles northeast of Sattley 1493 Comment
  SDSU9679  Polygonum douglasii D. F. Howe 1964-7-28 3887 Sierra 5.5 miles south of Gold Lake Lodge, Tahoe National Forest. 1829 Comment
  RSA65867  Polygonum douglasii F. W. Peirson 1921-8-9 1802 Sierra South Fork of San Joaquin River 2515 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
  CHSC61927  Polygonum minimum Lowell Ahart 1993-9-24 7247 Sierra 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
  CHSC76806  Polygonum minimum L. P. Janeway; B. Castro 1997-9-14 5361 Sierra About 0.8 mi north of the peak of Mt. Fillmore. Just below old dirt road (Road 10E11). 2042 Comment
  JEPS125656  Polygonum minimum William Harnach 2013-7-27 1377 Sierra 3.25 miles south of the Jackson Meadows Road on the Meadow Lake Road (south of Webber Lake). Comment
  SD61111  Polygonum minimum Darley F. Howe 1964-7-28 3882 Sierra 5.5 mi. so. Of Gold Lake lodge, Tahoe Nat. Forest. 1829 Comment
  UCD84110  Polygonum polygaloides subsp. confertiflorum Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 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
  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
  SJSU6442  Polygonum polygaloides subsp. kelloggii N. A. Hopkins 1971-6-14 388 Sierra S end Sierra Valley 1584 Comment
  SEINET4335269  Polygonum spergulariiforme M. J. Williams 1976-8-29 76 -106 Sierra Intersection Verdi Peak Rd. and Henness Pass Rd. 1920 Comment
  SJSU12081  Polygonum spergulariiforme N. A. Hopkins 1983-8-30 1166 Sierra c. 1 mi SW of Calpine, Sierra Valley 1524 Comment
  CAS-BOT-BC233035  Polypogon interruptus Lowell Ahart 1977-5-31 s.n. Sierra 7 miles W of Alleghany 1500 Comment
  CHSC46036  Polystichum imbricans Lowell Ahart 1966-9-18 16 Sierra Along Goodyear's Bar Road. 1219 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
  HSC97017  Polystichum imbricans subsp. imbricans L. Ahart 2006-6-21 12820 Sierra N side of Foote Rd., 1.3 mi. SW of Alleghany 1306 Comment
  SEINET10896400  Polystichum lonchitis Francis P. Daniels 1878-1 Daniels UMO 32155 Sierra Sierra Valley. 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
  CHSC50983  Polystichum scopulinum Lowell Ahart 1990-7-8 6553 Sierra Near Bunker Hill Ridge, on the west side of Mount Etna, about 12 miles north-east of La Porte. 2072 Comment
  CHSC63443  Polystichum scopulinum Lowell Ahart 1994-7-22 7492 Sierra South of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 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
  SEINET10460780  Porterella carnosula Mason 1952-7-19 Mason 14439 Sierra Margins of marshy pond 1.5 miles east of Calpine near junction of Sierraville-Beckwith road and Calpine road, Sierra Valley Comment
  UCSB9836  Porterella carnosula Mason, Herbert; Sweeney, J. 1953-7-7 Sierra Just 1 mile east; of Calpine, Sierra Valley 1493 Comment
  CAS-BOT-BC452103  Potamogeton amplifolius W. R. Dudley 1894-8-1 s.n. Sierra In Webber Lake Comment
  CAS-BOT-BC494125  Potamogeton foliosus subsp. foliosus W. Harnach; N. Harnach 2000-8-23 985 Sierra Sierra Valley. 1.5 mi W of Sierraville, on Hwy 49. Strong Pond 1505 Comment
  RSA286303  Potamogeton gramineus Robert F. Thorne 1974-7-30 45063 Sierra Tahoe National Forest: Goose, Haven, and Snag Lake area. 2058 Comment
  CAS-BOT-BC453747  Potamogeton natans W. R. Dudley No date on label s.n. Sierra In Webber Lake Comment
  SEINET4689848  Potamogeton nodosus W. Harnach, N. Harnach 2000-8-23 982 Sierra Sierra Valley, 1.5 miles west of Sierraville, CA on Hwy 49, Strang Pond 1506 Comment
  CHSC69895  Potentilla breweri L. P. Janeway; Eric Schroder 1997-8-14 5341 Sierra Tahoe National Forest. Freeman Meadow along Church Creek; about 2.3 mi east of Gold Lake. 2072 Comment
  CHSC26349  Potentilla glandulosa subsp. reflexa James Henrickson 1969-5-25 3436 A Sierra Ca. 45 mi. NE of Yuba City, 7 mi. W. of Downieville, 4 mi. E. of Yuba Co. border. Comment
  CHSC64657  Potentilla gracilis var. fastigiata H. H. Schmidt; M. Merello, L. Woodruff 1993-6-13 847 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Meadow, roadside. [Original lat./long. on label is '39 35 N; 120 23 W']. 1650 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
  CAS-BOT-BC541005  Potentilla gracilis var. fastigiata Catherine Best 1984-6-19 1000 Sierra Sierra Valley, 1/2 mile west of Sierraville on Hwy. 89 Comment
  CAS-BOT-BC541015  Potentilla gracilis var. fastigiata Alice Eastwood 1918-6-29 7892 Sierra Loyalton Comment
  CAS-BOT-BC541016  Potentilla gracilis var. fastigiata H. C. Cantelow 1951-7-23 12 Sierra Near Sierraville Comment
  SEINET10483869  Potentilla gracilis var. fastigiata Heidi H. Schmidt 1993-6-13 Schmidt 847 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Sagebrush flats, meadow. 1650 Comment
  CDA40576  Potentilla recta Willo Vieira 2014-6-27 PDR# 320 P06131669 Sierra Downieville. 0 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
  UCSB16085  Poterium sanguisorba Breedlove, Dennis 1962-6-13 Sierra 1.5 miles north of Sierraville on State Highway 89 1524 Comment
  CAS-BOT-BC47623  Primula suffrutescens Lowell Ahart 1976-10-11 s.n. Sierra On the north side of Mt. Fillmore 2286 Comment
  UC569731  Primula suffrutescens N. French 1934-7-13 522 Sierra Mount Lola; Truckee Quad., Mount Lola 2743 Comment
  UCLA85885  Prunella vulgaris var. lanceolata O. H. Kappler 1946-7-20 1326 Sierra North Fork Yuba River 822 Comment
  UC1128283  Prunus andersonii G. T. Nordstrom 1936-7-8 900 Sierra 4 mi se of Dog Valley 1493 Comment
Read comments
Jun 6 2014
  CAS-BOT-BC158246  Prunus emarginata Elmer I. Applegate 1921-9-7 3378 Sierra Gold Lake 1981 Comment
  SBBG128099  Prunus emarginata L. Ahart 2010-9-15 17170 Sierra around the cabin, at the spring, ca. 2.75 mi N of Yuba Pass on Hwy 49, ca. 4 mi E of Haskell Peak 2134 Comment
  SJSU11964  Prunus emarginata N. A. Hopkins 1970-6-10 316 Sierra NE of Packer L 1920 Comment
  UC1128295  Prunus emarginata N. French 1934-7-24 537 Sierra 1 mi ese of Webber Lake (Tahoe National Forest); Tahoe National Forest 2133 Comment
  SEINET11912950  Prunus emarginata J. G. Lemmon 1874-1 58 Sierra 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
  UC1128460  Prunus virginiana var. demissa C. G. Albertus 1935-9-20 286 Sierra 3 3/4 mi ESE of Sierraville 1767 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-BC357400  Pseudognaphalium microcephalum Lowell Ahart 1983-10-27 4471 Sierra On the north side of Milton Res., near Jackson Meadow Res. 1800 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
  POM358888  Pseudognaphalium thermale Britton, Robert W. Townsend 1939-8-24 138 Sierra North bank of Yuba River, 7 miles above Sierra City 1674 Comment
  CDA11858  Pseudostellaria jamesiana G. F. Hrusa, J. Jokerst 1991-7-5 8558 A Sierra Sierra Valley Region; E base of Golden Dome. Antelope Valley approx. 3 miles S of Sierra Valley. Comment
  CHSC45563  Pseudostellaria jamesiana Lowell Ahart 1981-6-23 2870 Sierra Growing under red firs, near the road on the south side of Mount Etna, about 11 miles north-east of La Porte. 1828 Comment
  JEPS51144  Pseudostellaria jamesiana W. L. Jepson 1934-8-3 16826 Sierra 2 mi e Bassett Sta. (Pioneer road sta., North Fork Yuba River); North Fork Yuba River 1706 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
  UC585139  Psilocarphus brevissimus var. brevissimus E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1661 Sierra about 5 mi n Sattley; Sierra Valley Comment
  CAS-BOT-BC460545  Pterospora andromedea Mrs. E. C. Sutliffe 1920-9-1 s.n. Sierra Salmon Lake Comment
  CHSC53197  Pterospora andromedea L. P. Janeway 1989-8-18 3612 Sierra Plumas National Forest, Beckwourth Ranger District. Sulphur. Flat top of small spur ridge 1/2 mi SE of Chapman Saddle, overlooking Sulphur Cr. 1996 Comment
  CHSC54562  Pterospora andromedea Lowell Ahart 1991-7-29 6699 Sierra On the west side of Negro Creek, west of Burlington, about 1 miles north-east of Harris Meadow, about 1-1/4 miles north-east of Granite Mountain. 1828 Comment
  UCD117791  Pterospora andromedea Roman Gankin 1951-8-17 51 Sierra Near north fork of Yuba River, State Highway 49, near Pioneer Lodge in Sierra Buttes Recreation Area. 1798 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-BC147889  Purshia tridentata var. tridentata Catherine Best 1981-6-17 s.n. Sierra Highway 89 12 miles north of Truckee Comment
  UC1128532  Purshia tridentata var. tridentata G. T. Nordstrom 1936-7-9 916 Sierra 2.25 mi nnw Dog Valley; Sierraville Quad. 2133 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-BC465502  Pyrola asarifolia Gladys L. Smith 1959-6-19 1222 Sierra Lower Sardine Lake 1828 Comment
  UCD117799  Pyrola asarifolia Gladys L. Smith 1959-6-19 1222 Sierra Lower Sardine Lake. 1828 Comment
  CHSC106055  Pyrola dentata Lowell Ahart 2010-8-3 17038 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
  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
  RSA0083259  Pyrola picta E. B. Copeland 1903-8-16 3921 Sierra Mt. Shasta & Mt. Eddy. 1219 Comment
  RSA0083260  Pyrola picta T. Macbride s.n. Sierra None indicated 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
  CAS-BOT-BC328154  Pyrrocoma lucida John Thomas Howell 1955-7-20 30879 Sierra Near Calpine, Sierra Nevada 1508 Comment
  CAS-BOT-BC494120  Pyrrocoma lucida W. Harnach; N. Harnach 2000-8-23 1001 Sierra Sierra Valley. 1 mi E of Calpine, on Calpine Rd (home) 1504 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
  CHSC47416  Quercus chrysolepis Lowell Ahart 1976-8-10 1186 Sierra On a dry hillside, about 6 air miles west of Downieville. 1371 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
  UCD40466  Quercus chrysolepis Rodney Gale Myatt 1972-1 1548 -3 Sierra Section 10. North Fork Yuba River. Upper Yuba River canyon, above Dowmieville. 920 Comment
  CHSC97714  Quercus kelloggii Lowell Ahart 2007-10-25 14503 Sierra West side of a 20 acre meadow, about 40 yards east of Port Wine Ridge Road and the remains of two old buildings, about 1 1/2 miles north of Scales, about 5 miles (air) south of La Porte. 1432 Comment
  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
  UC338646  Quercus vacciniifolia unknown 1880-1 Sierra Meadow Lake 2438 Comment
  UC338540  Quercus vacciniifolia unknown 1890-10-20 Sierra Oleson's ranch Sierra Valley Comment
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Jul 12 2007
  SACT002737  Quercus wislizeni T. S. 1961-5-21 Sierra Rocky North slope. Highway 49 12 miles southwest of Pioneer Lodge. 1524.0 Comment
  JEPS87823  Raillardella argentea Lowell Ahart 1994-7-20 7475 Sierra open bare area n Pacific Crest Trail (n side of ridge, about 1/2 mi nw of Mt. Etna, Plumas and Sierra Cos.); Bunker Hill Ridge 1981 Comment
  JEPS87824  Raillardella argentea Lowell Ahart 1994-7-20 7475 Sierra open bare area n Pacific Crest Trail (n side of ridge, about 1/2 mi nw of Mt. Etna, Plumas and Sierra Cos.); Bunker Hill Ridge 1981 Comment
  CAS-BOT-BC362690  Raillardella argentea A. R. Kruckeberg 1954-8-2 3681 Sierra Along trail to Sierra Buttes, 1/2 mile above upper Tamarack Lake 2438 Comment
  CHSC10652  Ranunculus alismifolius var. alismellus Lowell Ahart 1968-5-20 Sierra Sam's Camp, near Webber Lake. 2133 Comment
  SJSU14209  Ranunculus alismifolius var. alismellus N. A. Hopkins 1989-7-1 1549 Sierra by Yuba Pass-Weber L Rd 0.5 mi N of Henness Pass Rd 2072 Comment
  CAS-BOT-BC380419  Ranunculus alismifolius var. hartwegii J. G. Lowman s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC379328  Ranunculus alismifolius var. lemmonii W. Harnach; N. Harnach 1989-3-30 11 Sierra Sierra Valley, Calpine Ranch (home) Comment
  CAS-BOT-BC6140  Ranunculus alismifolius var. lemmonii John Gill Lemmon 1879-1-1 s.n. Sierra unspecified Comment
  CAS-BOT-BC379069  Ranunculus aquatilis var. diffusus Mrs. H. C. Cantelow 1941-5-17 s.n. Sierra Sattley Comment
  SJSU12167  Ranunculus aquatilis var. diffusus N. A. Hopkins 1971-6-14 392 Sierra by road between Sierraville & Lemon Canyon, 5 mi SE of Sierraville Comment
  SEINET5338814  Ranunculus occidentalis P. A. Lehenbauer 1935-5-21 s.n. Sierra Balls Canyon. Comment
  SEINET5338931  Ranunculus occidentalis M. Demorest 1962-5-9 78 Sierra Dog Valley, on valley floor near meadow in wooded area N. of road. 1829 Comment
  JEPS125675  Ranunculus occidentalis var. occidentalis William Harnach 2013-4-6 1308 Sierra 1.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  SEINET5338851  Ranunculus occidentalis var. ultramontanus A. A. Heller, P. B. Kennedy 1907-7-1 8670 Sierra Purdy Comment
  SEINET8701928  Ranunculus uncinatus W. Harnach, N. Harnach 2000-6-17 911 Sierra Sierra Valley, 1 mile W of the intersection of Mountain Quail Road with Hwy 89, ca 2 miles S of Calpine. 1524 Comment
  UC592922  Rhamnus purshiana Carl B. Wolf 1937-8-6 Sierra 5 mi above Downieville; Northern Sierra Nevada, North of Yuba River 1066 Comment
  POM246517  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
  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-BC56585  Rhododendron columbianum Mrs. E. C. Sutliffe 1920-9-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC56586  Rhododendron columbianum H. Albert Barker July 5 56 Sierra Summit Lake (largest) 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
  UC329960  Ribes Lemmon 1889-6-8 Sierra Gold Lake 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-BC108762  Ribes cereum Catherine Best 1981-6-19 s.n. Sierra Sierra Nevada. Highway 89, 2 miles west of Yuba Summit. Comment
  SEINET5766039  Ribes cereum W. Harnach, N. Harnach 1993-7-11 747 Sierra On top of Lincoln Ridge, south of Yuba Pass. Western edge project area. 2316 Comment
  UC54304  Ribes cereum H. M. Hall and E. B. Babcock July, 1903 4516 Sierra Howard Creek Sierra Nevada Mountains 2133 Comment
  JEPS117438  Ribes cereum var. cereum Lowell Ahart 2010-9-15 17160 Sierra 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-BC169088  Ribes inerme var. inerme Rimo Bacigalupi 1927-7-4 1611 Sierra Along banks of North Fork of the Yuba River, 2 miles west of Yuba Pass 1920 Comment
  CHSC75805  Ribes inerme var. inerme Lowell Ahart; Vernon H. Oswald 1999-7-26 8128 Sierra On the west side of Independence road, just south of the Little Truckee River, south of Fibreboard Road, about 7 miles (air) east of Webber Lake. 1889 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-BC219256  Ribes nevadense Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
Read comments
Mar 18 2018
  JEPS49170  Ribes roezlii L. S. Smith 1926-4-12 1761 Sierra w end Rebel Ridge; Tahoe National Forest, Comptonville District 701 Comment
  JEPS49183  Ribes roezlii W. L. Jepson 1934-8-3 16836 Sierra 2 mi e Bassetts sta. (Pioneer road sta.); North Fork Yuba River 1706 Comment
  CAS-BOT-BC198940  Ribes roezlii var. roezlii W. Harnach; N. Harnach 1990-5-13 312 Sierra Martinette Ranch, Sierra Valley 1517 Comment
  CAS-BOT-BC168787  Ribes viscosissimum H. Albert Barker 1926-7-8 92 Sierra Gold Lake Ridge, Squaw Lake 2042 Comment
  RSA0020914  Ribes viscosissimum H. S. Yates 1935-6-29 5279 Sierra 1 mile N. of Gold Lake. 1982 Comment
  RSA0020915  Ribes viscosissimum Robert Gustafson 1985-6-11 3148 Sierra Forest Service Road 12, ca 5 miles S from the junction of highway 49, Yuba Pass summit area. 2134 Comment
  SEINET12165189  Robinia pseudoacacia F. H. Utech 1986-1 86 -092 Sierra Tahoe Natioanal Forest, Convict Flat, along North Yuba River 850 Comment
  SEINET11541954  Rorippa curvipes var. curvipes P. B. Kennedy, S. B. Doten 1901-7-8 113 Sierra NE of Webber Lake. Comment
  CAS-BOT-BC74664  Rorippa curvisiliqua W. R. Dudley 1909-8-29 s.n. Sierra Icehouse Pond, Sierra Valley. Comment
  UC66101  Rorippa curvisiliqua P. B. Kennedy and S. B. Doten 1901-7-8 113 Sierra Webber Lake Comment
  CAS-BOT-BC74667  Rorippa curvisiliqua Lowell Ahart 1983-10-27 4480 Sierra About 2 miles SE of Jackson Meadow Reservation, about 1 mile south of Pass Creek, near Jackson Meadows Reservation. 2200 Comment
  UCR257740  Rosa bridgesii George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19460 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
  SJSU12109  Rosa californica N. A. Hopkins 1983-6-15 1135 Sierra Upper Long Valley W of Bordertown 1584 Comment
  UCR17474  Rosa californica Frank C. Vasek 1975-7-19 750710- 04 Sierra 1 mi. west of State 89 on Hennes Pass Rd 1931 Comment
  CAS-BOT-BC147667  Rosa canina Leah D. McKee 1981-5-17 049 Sierra 4 miles out of Downeyville, Goodyear Bar 853 Comment
  RSA719200  Rosa gymnocarpa L. Ahart 2006-6-21 12841 Sierra On the E side of the road. About 3.5 miles (by road) NW of forest. 1422 Comment
  CAS-BOT-BC383095  Rosa woodsii Andrew Townesmith; Karen M. Meyer 2007-7-16 822 Sierra Tahoe National Forest, Sierraville Ranger District. Along California route 89, 1.0 mile SE of intersection with county road 450 1868 Comment
  CDA18040  Rosa woodsii B. Villegas 1999-7-8 s.n. Sierra Dog Valley Rd., 1.2 miles from Bordertown. 0 Comment
  SEINET10736990  Rosa woodsii Andrew Townesmith, Karen M. Meyer 2007-7-16 Townesmith 822 Sierra Tahoe National Forest, Sierraville Ranger District. Along California route 89, 1.0 mile SE of intersection with county road 450. T19N R16E S18 NW 1/4. 1868 Comment
  UCD102107  Rubus armeniacus Lindsay Clark 2008-5-27 DNV 1 Sierra Carlton Campground, 30 miles after the left turn at Nevada City on CA-49, 12 miles west of Downieville. Next to Yuba River, in sight of outhouse and roadway. 696 Comment
  UCD91397  Rubus armeniacus Lindsay Clark 2008-5-27 DNV 1 Sierra Carlton Campground, 30 miles after the left turn at Nevada City on CA-49, 12 miles west of Downieville. Next to Yuba River, in sight of outhouse and roadway. 696 Comment
  SEINET8584729  Rubus bifrons W. Harnach 2013-7-3 1372 Sierra Approx 150 yards along the Pacific Crest Trail, just south of the intersection with Hwy 49, northeast of Sierra City CA 1404 Comment
  UCD40237  Rubus leucodermis Rodney Gale Myatt 1972-6-1 1577 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  SD236400  Rubus parviflorus G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13482 Sierra Sierra Nevada Mountains Foothills: Henness Pass road, 3.4 miles northeast of Camptonville. Roadside ditch. 1260 Comment
  UCR196990  Rubus parviflorus George K. Helmkamp, E. A. Helmkamp 2008-5-20 13482 Sierra Sierra Nevada Mountains Foothills, Henness Pass road, 3.4 miles northeast of Camptonville 1261 Comment
  SEINET11910986  Rubus parviflorus F. H. Utech 1986-1 86 -093 Sierra Tahoe National Forest, Indian Valley, near junction of North Yuba River & Fiddle Bow Creek on CA 49 950 Comment
  LA83705  Rubus spectabilis O. H. Kappler; 1946-7-20 1333 Sierra Yuba Riverbank 822 Comment
  UCD17662  Rubus ursinus H. Olmo; R. Bammi 1963-9-12 63 28 Sierra California. Sierra County: 7 miles west of Downieville on California 49. Near North Yuba River at Highway Marker A236+36. 882 Comment
  SEINET4206283  Rumex acetosella I. LaRivers 1969-7-25 s.n. Sierra Verdi Comment
  SJSU10636  Rumex acetosella M. D. Fleschner 1965-6-29 Sierra Hwy 49, 1 mi W of Downieville 914 Comment
  UCR249138  Rumex acetosella George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20768 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CAS-BOT-BC422041  Rumex acetosella Lewis S. Rose 1934-7-15 34370 Sierra Gold Lake 1950 Comment
  JEPS113942  Rumex acetosella W. and N. Harnach 2000-7-4 939 Sierra Sierra Valley approximated 1/2 mile north of Coburn Lake at the end of access road. Comment
  UC1191288  Rumex crispus Malcolm A. Nobs and S. Galen Smith 1949-8-20 1499 Sierra ca 0.5 mi w Loyalton (on road to Sierraville); Sierra Valley Comment
  JEPS117448  Rumex salicifolius var. denticulatus Lowell Ahart 2010-9-15 17166 Sierra Along stream, near a dry open meadow, about 150 yards north of the cabin, about 40 yards north of the lower pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  CAS-BOT-BC445720  Sagittaria latifolia Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Lusk Meadows Comment
  CAS-BOT-BC102847  Salix boothii W. R. Dudley 1900-6-21 5416 Sierra West side of Webber Lake near shore Comment
  UC501407  Salix boothii L. S. Smith 1932-5-25 2660 Sierra Babbitt Spring; Tahoe Nat'l Forest, 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-BC103458  Salix eastwoodiae John Thomas Howell 1951-8-21 28276 Sierra Yuba Pass 2042 Comment
  CAS-BOT-BC103650  Salix eastwoodiae Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC103655  Salix eastwoodiae Lewis S. Rose 1934-7-17 34380 Sierra Ridge, W. of Gold Lake 2133 Comment
  JEPS95768  Salix eastwoodiae George Argus and Susan D'Alcamo 1998-7-23 13800 Sierra Coburn Lake Comment
  SEINET10357121  Salix eastwoodiae P. B. Kennedy, S. B. Doten 1901-7-23 221 Sierra Near Lincoln Valley. Comment
  CAS-BOT-BC103757  Salix exigua Alice Eastwood 1918-6-29 7923 Sierra Loyalton Comment
  CAS-BOT-BC107939  Salix geyeriana D. E. Breedlove 1962-6-13 3522 Sierra Along the Little Truckee River, 10.0 miles south of Sierraville on State Highway 89 - Sierra Nevada 1950 Comment
  CAS-BOT-BC107960  Salix geyeriana D. E. Breedlove 1962-6-13 3522 Sierra Along the Little Truckee River, 10.0 miles south of Sierraville on State hwy. 89 - Sierra Nevada 1950 Comment
  SEINET10391742  Salix geyeriana G. W. Argus, S. D'Alcamo 1998-7-23 13797 Sierra Freeman Meadow on Church Creek, ca 0.5 mile due E of Haven Lake. Comment
  UC1134882  Salix geyeriana N. French 1934-10-18 545 Sierra Little Truckee R. Tahoe Nat'l Forest, Truckee Quadrangle Comment
  RSA7994  Salix jepsonii H. A. Barker 1927-6-24 733 Sierra Packer Lake. 1982 Comment
  SEINET10392864  Salix jepsonii G. S. Corbin 1998-7-26 2795 Sierra 1 mile S of Yuba Pass. 1951 Comment
  JEPS117450  Salix laevigata Lowell Ahart 2010-9-15 17187 Sierra On the northwest edge of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  UC1134962  Salix laevigata G. E. Sindel 1934-8-7 83 Sierra 2 1/2 mi n-n.e. Catfish Lake; Tahoe Nat'l Forest, Colfax Quad. Comment
  JEPS124715 Image available Salix lasiandra Himayat H. Naqvi 1965-6-29 48 Sierra Sand pond lake, near the water on somewhat moist ground. Comment
  UC1408986  Salix lasiandra subsp. lasiandra R. F. Thorne and C. W. Tilforth 1969-9-6 39201 Sierra between Goose <Lake> and Snag Lake (margin of Haven Lake); Haven Lake 1950 Comment
  CAS-BOT-BC125437  Salix lasiandra var. lasiandra G. Earle Kelley 1919-1-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC125440  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-22 5520 Sierra Between Sierraville and Little Truckee River Comment
  JEPS125778  Salix lasiandra var. lasiandra William Harnach 2015-7-7 1428 Sierra Chapman Saddle, approximately 6 miles north of Highway 49 on FS Road 92. 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-BC124521  Salix lasiolepis var. lasiolepis Alice Eastwood 1918-4-6 6765 Sierra Downieville Comment
  CAS-BOT-BC124528  Salix lasiolepis var. lasiolepis Alice Eastwood 1918-4-6 6752 Sierra Downieville Comment
  CAS-BOT-BC124875  Salix lemmonii W. R. Dudley 1900-6-21 5415 Sierra West side of Webber Lake Comment
  RSA237989  Salix lemmonii Frederick W. Oettinger 1969-7-14 1017 -b Sierra N facing slope between Charmaine Lake and Abbotts Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  RSA8055  Salix lemmonii H. A. Barker 1927-6-28 743 Sierra Gold Lake. 1966 Comment
  CAS-BOT-BC128249  Salix lucida W. R. Dudley 1900-6-12 5524 Sierra By bridge over Little Truckee River - Sierraville, Truckee Stage Road Comment
  CHSC9614  Salix lucida subsp. lasiandra E. L. Smith 1971-7-27 988 Sierra At Sierraville. 1508 Comment
  CAS-BOT-BC125738  Salix orestera Javier Penalosa 1962-6-20 2550 Sierra Along Little Truckee River at Highway 89 1905 Comment
  JEPS88149  Salix orestera Vernon H. Oswald and Lowell Ahart 1996-8-19 8231 Sierra ca 1.5 mi ne Webber Lake; northern High Sierra, Lake of the Woods 2255 Comment
  CAS-BOT-BC126138  Salix scouleriana W. R. Dudley 1894-9-1 s.n. Sierra Lake of the Woods Comment
  CAS-BOT-BC126142  Salix scouleriana W. R. Dudley 1900-6-14 5110 Sierra Valley northwest of Lake Mary near Webber Lake Comment
  CAS-BOT-BC494094  Salvia aethiopis W. Harnach; N. Harnach 2000-6-14 906 Sierra Sierra Valley. North of the sawmill in Loyalton 1524 Comment
  CHSC45531  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
  JEPS99003  Sambucus mexicana Rolf W. Benseler 1997-7-14 621 Sierra North of Ground Hog Rock, Tahoe National Forest Comment
  JEPS99008  Sambucus mexicana Rolf W. Benseler 1997-7-14 622 Sierra North of Ground Hog Rock, Tahoe National Forest Comment
  RSA793119  Sanguisorba annua James R. Shevock 1985-7-6 11309 Sierra Tahoe National Forest. Along California Highway 89 about 5.4 miles north of Sierra-Nevada county line and north of Little Truckee River Campground. 1900 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
  SEINET8665938  Sanicula bipinnatifida W. Harnach 2013-4-25 1311 Sierra 1.6 miles west of Goodyears Bar on Hwy 49 and north of the Ramshorn campground. 874 Comment
  CHSC52797  Sanicula graveolens L. P. Janeway 1984-8-5 974 Sierra Ridgetop just south of Packer Saddle. 2148 Comment
  JEPS82072  Sanicula graveolens Paul C. Hutchison and Rimo Bacigalupi 1983-8-9 8443 Sierra 12 mi n (by logging road) of Downieville (Saddleback Mountain, bottom of road to look-out just w of the summit); Saddleback Mountain 1798 Comment
  CHSC32064  Sanicula tracyi L. Ahart 1972-4-28 94 Sierra Near Slate Creek, 10 mi s of La Porte. 914 Comment
  SEINET11160272  Sanicula tuberosa W. Harnach, N. Harnach 2000-6-17 913 Sierra Sierra Valley, 1 mile W of the intersection of Mountain Quail Road with Hwy 89, ca 2 miles S of Calpine. 1524 Comment
  JEPS51513  Saponaria officinalis W. L. Jepson 1934-7-30 16780 Sierra near Sierra City; near Sierra City Comment
  RSA748322  Sarcodes sanguinea K. M. Meyer, A. Townesmith 2007-7-17 129 Sierra Tahoe National Forest. 1 mile up road toward Lake of the Woods, off road 07. 2191 Comment
  CAS-BOT-BC466337  Sarcodes sanguinea John Thomas Howell; Gordon H. True 1970-7-14 5561 Sierra Verdi Peak Road ca 3 miles from intersection with Dog Valley--Stampede Dam Road 2346 Comment
  SEINET11977657  Sarcodes sanguinea J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  SEINET11261797  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2011-6-9 17538 Sierra Northern Sierra Nevada Mountains Foothills: 5.9 miles N of Camptonville along CA-49, about 1.2 miles NE of the Yuba Co. line.; 0 Comment
  UCR206552  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2009-5-28 14851 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  RSA0101557  Sceptridium multifidum Anonymous 1885-09 s.n. Sierra Near Downieville buttes. Comment
  UCD126462  Schedonorus arundinaceus P. B. Kennedy 1929-7-29 s.n. Sierra Sierra City to Sierraville. 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
  CAS-BOT-BC111223  Scirpus W. Harnach; N. Harnach 1990-6-6 336 Sierra Sierra Valley, Martinetti Ranch 1517 Comment
  JEPS124677 Image available Scirpus acutus Dixie Funnell 1965-7-6 105 Sierra 1 mile south of Calpine Beckworth intersection with highway 89. Comment
  CHSC61931  Scirpus congdonii Lowell Ahart 1993-9-24 7242 Sierra On the west side of a poor dirt road that ends at a stream, on the north side of Mount Fillmore, about 3.4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CAS-BOT-BC30749  Scirpus congdonii R. F. Thorne; C. W. Tilforth 1969-9-6 39200 Sierra Margin of Haven Lake (between Goose and Snag Lakes) 1950 Comment
  CAS-BOT-BC35596  Scirpus congdonii Lewis S. Rose 1934-7-17 34383 Sierra Meadow west of Gold Lake 2133 Comment
  CHSC47012  Scirpus microcarpus L. P. Janeway 1989-8-24 3638 Sierra Plumas National Forest. At E end of McNair Meadow; ca 1 mi W of Calpine L.O. 1630 Comment
  UCD141264  Scirpus microcarpus R. O. Hanes 1992-9-28 90 Sierra Cottonwood Creek. Tahoe Forest. 1889 Comment
  UCD141258  Scirpus microcarpus J. Turner; F. M. Ball 1962-7-12 1197 Sierra Cold Creek Campground. 5 miles south of Sierraville in Tahoe National Forest. Comment
  JEPS77528  Sclerolinon digynum L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-20 4898 Sierra about 3 air mi ne Calpine (along road s of Beckwourth); Sierra Valley 1463 Comment
  SEINET13751011  Scrophularia desertorum P. A. Lehenbauer 1937-6-8 91 Sierra [Sierra Nevada] 25 miles West of Reno, Nevada on Truckee river, at Iceland, South side of river by falls 1676 Comment
  RSA639989  Scutellaria californica Richard Olmstead 1986-6-14 844 Sierra Along hwy 49 at roadcut, 5.5 mi N of Camptonville. 780 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
  CAS-BOT-BC61469  Sedum laxum subsp. laxum Lowell Ahart 1982-7-28 3700 Sierra 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte. 1700 Comment
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Oct 29 2020
  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
  SEINET8917394  Sedum obtusatum W. Harnach 2013-7-27 1378 Sierra Along Meadow Lake Road (S of Webber Lake), 3.25 miles S of Jackson Meadows Road. 2173 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
  CHSC63137  Sedum spathulifolium Lowell Ahart 1994-7-1 7434 Sierra On the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  JEPS125762  Sedum spathulifolium William Harnach 2013-5-1 1333 Sierra Goodyears Bar. 1.3 miles South of Highway 49 on Mountain House Road. Comment
  UCR230993  Sedum spathulifolium George K. Helmkamp, E. A. Helmkamp 2011-6-9 17536 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
  UC1594523  Senecio clarkianus Lowell Ahart 1992-8-6 6914 Sierra n Black Jack Ravine (about 1 mi s of Granite Mountain, about 1/2 mi w of Harris Meadow) 1676 Comment
  CAS-BOT-BC363589  Senecio fremontii var. fremontii L. P. Janeway 1984-9-15 1149 Sierra Slope above upper Tamarack Lake 2194 Comment
  UCD148920  Senecio hydrophiloides Albert Grigarick 2013-6-5 346 Sierra North of Truckee. 5.1 miles east of Highway 89N along Sierra County Rd 450 (Kyburz Flat, Sardine Valley). Comment
  CAS-BOT-BC363800  Senecio integerrimus D. E. Breedlove 1962-6-13 3481 Sierra Along State Highway 89, 10.7 miles north of Sierraville 1615 Comment
  UCSB15962  Senecio integerrimus Breedlove, Dennis 1962-6-13 Sierra Along State Highway 89, 10.7 miles north of Sierraville 1615 Comment
  CHSC94223  Senecio integerrimus var. major Lowell Ahart 2006-6-28 12866 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  JEPS110473  Senecio integerrimus var. major Lowell Ahart 2006-6-28 12866 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1784 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
  CHSC66785  Senecio scorzonella Vernon H. Oswald; Lowell Ahart 1996-8-19 8192 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just S of the road to Lincoln Valley. 2255 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
  SJSU14201  Senecio scorzonella N. A. Hopkins 1989-8-29 1589 Sierra below Coburn L, Berry Cr drainage c. 5 mi S of Yuba Pass 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
  CAS-BOT-BC364415  Senecio triangularis George Hale 1927-8-6 s.n. Sierra Webber Lake Comment
  POM148022  Senecio triangularis George Haley 1927-8-6 9411 Sierra Webber Lake Comment
  UC832113  Senecio triangularis Lewis S. Rose 1934-7-16 34373 Sierra Stream Bank Gold Lake; , Stream Bank 1950 Comment
  CAS-BOT-BC364723  Sericocarpus oregonensis subsp. californicus Mrs. E. C. Sutliffe 1926-10-16 s.n. Sierra Salmon Lake Comment
  UC1178986  Sericocarpus oregonensis subsp. californicus Herbert L. Mason 1945-9-9 12694 Sierra s of Downieville; Yuba River Canyon Comment
  SEINET8944346  Sidalcea glaucescens S. B. Doten 1901-7-2 76 Sierra [Sierra Nevada,] Webber Lake. Comment
  SEINET11982189  Sidalcea malviflora J. G. Lemmon 1874-1 30 Sierra Sierra Co. &c Comment
  CHSC52396  Silene bernardina L. P. Janeway 1989-8-22 3619 Sierra Plumas National Forest. Northeast flank of ridge ca 3 mi E of Haskell Pk; near head of Sulphur Cr. 2164 Comment
  CAS-BOT-BC387056  Silene douglasii Annie M. Alexander; Louise Kellogg 1948-9-8 5596 Sierra On east side at top of grade between Sawyers Bar and Etna 1737 Comment
  UC336264  Silene douglasii J. G. Lemmon 1877-8-30 203 Sierra summit Downieville Buttes Sierra Valley, summit Downieville Buttes Comment
  CHSC25493  Silene invisa L. Ahart 1977-7-15 1477 Sierra Near a small wash. Found on n side of Mt. Fillmore, ca. 10 mi ne of La Porte. 2000 Comment
  CHSC61789  Silene invisa Lowell Ahart 1993-9-10 7196 Sierra At the end of a poor dirt road where there is a camp, water ditch and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  JEPS88077  Silene invisa Vernon H. Oswald and Lowell Ahart 1996-8-19 8199 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.2 mi. s. of the rd. to Lincoln Valley; northern High Sierra Nevada 2346 Comment
  JEPS48991  Silene invisa Leland S. Smith 1925-7-15 1685 Sierra e side French Meadows , e side French Meadows (Tahoe Forest) 1981 Comment
  SJSU11975  Silene laciniata N. A. Hopkins 1975-7-24 705 Sierra by Woodruff Cr 0.5 mi S of its confluence with Rock Cr 822 Comment
  JEPS125736  Silene laciniata subsp. californica William Harnach 2015-5-6 1404 Sierra Above Ramshorn Campground on Highway 49, 1.6 miles West of Goodyears Bar. Uppermost limits of the barrens. Comment
  UCD170244  Silene lemmonii K. M. Meyer; A. Townesmith 2007-7-17 128 Sierra Tahoe National Forest. 1.0 mile up road toward Lake of the Woods, off road 07. 2191 Comment
  SEINET10574646 Image available Silene lemmonii John G. Lemmon 1874-1 Lemmon s.n. Sierra Sierra Valley and Webber Lake. Comment
  UC1137895  Silene nuda G. T. Nordstrom 1936-7-23 953 Sierra 2 1/2 mi s Purdy; Sierra National Forest, Sierraville Quadrangle Comment
  UC120217  Silene oregana J. G. Lemmon and wife 1875-1 35 Sierra Comment
  UCD21015  Silene verecunda E. Bortiri 2002-7-4 WFC 63 Sierra Knuthson Meadows, Carman Valley, near Calpine, Sierra Co. 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
  UC477527  Smilacina stellata L. F. Smith 1931-5-31 2551 1/2 Sierra Cottonwood Springs Sierravile Dist. (along road) Comment
  SJSU12191  Solanum parishii N. A. Hopkins 1983-8-30 1180 Sierra by Pacific Crest Trail c. 1 mi N of Packer Saddle 2194 Comment
  UCD15310  Solanum triflorum A. M. Shapiro 1997-8-28 s.n. Sierra California, Sierra Co.; Sierraville; 1508 Comment
  RSA515708  Solanum umbelliferum B. Pitzer, S. Morgan, H. M. Soldan 1988-5-29 641 Sierra Tahow National Forest. 1.3 mi. W of Sierra City on Hwy 49. 1250 Comment
  SEINET12329961  Solanum xanti var. intermedium F. H. Utech 1986-1 86 -080 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  CAS-BOT-BC364891  Solidago W. Harnach; N. Harnach 1990-7-30 490 Sierra Sierra Valley. Hamlin creek area 1569 Comment
  CAS-BOT-BC365546  Solidago elongata Catherine Best 1983-8-29 887 Sierra Along the road to Gold Lake Comment
  CHSC92053  Solidago elongata Lowell Ahart 2005-8-30 12339 Sierra On the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2032 Comment
  JEPS107591  Solidago elongata Lowell Ahart 2005-8-30 12339 Sierra On the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2032 Comment
  JEPS88191  Solidago elongata Vernon H. Oswald and Lowell Ahart 1996-8-19 8237 Sierra Forest Route 07 0.5 mi e of the road to Lake of the Woods (e of Webber Lake); northern High Sierra Nevada 2042 Comment
  CHSC53035  Solidago velutina subsp. californica L. P. Janeway 1989-8-24 3635 Sierra Plumas National Forest. NW-trending drainage at E end of McNair Mdw; ca 1 mi W of Calpine L.O. 1661 Comment
  CAS-BOT-BC364912  Solidago velutina subsp. californica Lemmon 1874-8-1 s.n. Sierra Sierra Valley Comment
  UC54340  Sorbus californica H. M. Hall and E. B. Babcock July, 1903 4514 Sierra Gold Lake; Sierra Nevada Mountains 1950 Comment
  SJSU10217  Sorbus scopulina C. W. Sharsmith 1983-6-8 8798 Sierra midway between Marvin Ranch Rd & Scales 1341 Comment
  RSA246606  Sparganium angustifolium Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42363 Sierra Plumas National Forest: Shallow water of Snag Lake. 2058 Comment
  RSA286319  Sparganium angustifolium Robert F. Thorne 1974-7-30 45061 Sierra Tahoe National Forest: Goose, Haven, and Snag Lake area. 2058 Comment
  SEINET13276719 Image available Sparganium emersum George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-1 19472 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 (Hobart Mills 7.5' Q.) 1878 Comment
  UCR12026  Sparganium emersum Coleta A. Lawler 1968-7-2 167 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
  SJSU5081  Sparganium emersum C. L. Cline 1965-8-6 149 Sierra by Hwy 89, 2.6 mi S of junction of Beckwourth Rd and Sattley Rd., Sierra Valley 1493 Comment
  SEINET10537504  Spergularia rubra Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4485 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
  CAS-BOT-BC374769  Sphaeromeria potentilloides var. potentilloides Lemmon 1881-8-1 s.n. Sierra Sierra Val. Comment
  SEINET3560706 Image available Spiranthes porrifolia W. F. Jennings 1982-9-5 s.n. Sierra Adjacent of California 49, 3 miles west of summit of Yuba Pass. 1890 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
  CHSC66814  Stachys ajugoides var. rigida Vernon H. Oswald 1996-8-19 8227 Sierra Northern High Sierra Nevada. Yuba Pass- Weber Lake Rd. (Forest Rt. 12) 0.4 mi S of Forest Rt. 15 to Sierraville. 2316 Comment
  JEPS63084  Stachys ajugoides var. rigida W. L. Jepson 1934-8-2 16790 Sierra 2 mi e Bassett road sta. (Pioneer road sta.); North Fork Yuba River Comment
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Dec 26 2016
  OBI13482  Stachys pilosa Carl B. Wolf 1937-8-6 9060 Sierra N Sierra Nevada, Church Meadows, SE of Gold Lake 2042 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
  SJSU12227  Stachys rigida N. A. Hopkins 1982-7-19 1073 Sierra 1 mi S of Calpine 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
  SEINET11944998  Stellaria longipes J. G. Lemmon 1874-1 20 Sierra Comment
  SEINET5337320  Stellaria longipes S. B. Doten 1901-6-20 55 Sierra Near Little Truckee, California Comment
  CAS-BOT-BC391213  Stellaria longipes subsp. longipes George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC391214  Stellaria longipes subsp. longipes Catherine Best 1981-6-18 s.n. Sierra Gold Lake Comment
  JEPS118404  Stellaria obtusa Lowell Ahart 2011-9-23 17716 Sierra On the east side 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
  JEPS88146  Stellaria obtusa Lowell Ahart 1996-7-25 7696 Sierra ca. 2 mi. w. Webber lake (e. side of small stream, s. of Old Henness Pass Rd., just w. of French Meadow) 1950 Comment
  CHSC57172  Stephanomeria lactucina L. P. Janeway 1984-8-3 965 Sierra Top of ridge (Sierra Nevada crest) west of Packer Lake and north of Packer Saddle. Along dirt road. 2164 Comment
  SEINET8584747 Image available Stephanomeria lactucina W. Harnach 2012-7-30 1256 Sierra Approx 1 mile south of Forest Road 09, on Road 0913. 1.5 air miles SE of Haskell Peak, Tahoe National Forest. 1964 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
  SEINET8080350  Stipa occidentalis var. pubescens P. A. Lehenbauer 1937-1 58 Sierra Sierra Nevada, 25 miles west of Reno, on Truckee River at Iceland. 1676 Comment
  SEINET8082364  Stipa thurberiana P. A. Lehenbauer 1937-6-8 69 Sierra 25 miles west of Reno on Truckee Road at Iceland, on south side of river by falls. 1676 Comment
  JEPS124531 Image available Streptanthus cordatus Reinhard Jockel 1969-6-25 1 Sierra On highway 89 6 miles South of Sierraville. On N facing slope of side canon. 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
  UCD116106  Streptanthus polygaloides Gerald Dickinson 1963-6-21 18 Sierra State Highway 49, 4 miles west of Downieville. 833 Comment
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Jun 21 2014
  JEPS125688  Streptanthus purpureus William Harnach 2013-4-25 1314 Sierra 1.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  CAS-BOT-BC87826  Streptanthus tortuosus Catherine Best 1982-7-12 754 Sierra Sierra Nevada. Gold Lake. 1950 Comment
  CAS-BOT-BC87833  Streptanthus tortuosus Lowell Ahart 1982-7-28 3691 Sierra About 0.25 mile north of the Pacific Mine, about 5 miles east of La Porte. 1700 Comment
  UC2016548  Streptanthus tortuosus Richard Olmstead 1983-7-1 406 Sierra Highway 49 on roadcut just above Convict Flat Picnic Area, ca. 6 miles southwest of Downieville. Comment
  JEPS108759  Streptanthus tortuosus var. suffrutescens Lowell Ahart 2006-6-28 12895 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 Gibso 1901 Comment
  UCR18721  Symphoricarpos acutus Frank C. Vasek 1975-7-10 750710- 10 Sierra Sierra Nevada Mtns, about 15 miles north of Truckee Ranger Station [via Hwy 89], on Hennes Pass Rd. 1.5 miles west of State Hwy 89 1950 Comment
  SEINET12265493  Symphoricarpos mollis J. G. Lemmon 1874-1 91 Sierra Sierra Co. &c Comment
  SJSU12236  Symphoricarpos rotundifolius var. rotundifolius N. A. Hopkins 1982-7-27 1095 Sierra by road to Babbitt Peak, Bald Mt Range 2621 Comment
  UC1120000  Symphoricarpos rotundifolius var. rotundifolius A. Lewis 1934-7-16 515 Sierra 0.75 mi sw Wades Lake; Plumas National Forest, Downieville Quad. 2133 Comment
  CHSC56842  Symphyotrichum ascendens L. P. Janeway; Garrett Gibson 1991-9-13 4142 Sierra Plumas National Forest. 1 1/2 mi north of Haskell Peak; upper tributary to Big Boulder Creek. 2103 Comment
  CHSC57410  Symphyotrichum ascendens L. P. Janeway 1984-9-1 1104 Sierra On northwest side of Oakland Pond. 2194 Comment
  CAS-BOT-BC97504  Symphyotrichum ascendens L. P. Janeway; Garrett Gibson 1991-9-13 4142 Sierra Clio (Sierra City NE) quad. 1 1/2 mi north of Haskell Peak; upper tributary to Big Boulder Creek 2103 Comment
  CAS-BOT-BC97571  Symphyotrichum ascendens G. Schoolcraft 1996-9-16 2574 Sierra Long Valley Creek just s. of Sierra County line 1524 Comment
  CAS-BOT-BC97574  Symphyotrichum ascendens C. Best 1983-8-29 890 Sierra along Hwy 49 just west of the Yuba Summit 2042 Comment
  CAS-BOT-BC97577  Symphyotrichum ascendens A. R. Kruckeberg 1954-8-1 3661 Sierra Yuba Pass, Highway 49, Tahoe N.F. 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
  UC86843  Symphyotrichum spathulatum J. G. Lemmon 1875-1 127 Sierra Comment
  CHSC61777  Symphyotrichum spathulatum var. spathulatum Lowell Ahart 1993-9-10 7224 Sierra On the east side of the county road, on the west side of a meadow, about 1/2 mile north of Gibsonville. 1676 Comment
  CHSC69866  Symphyotrichum spathulatum var. spathulatum L. P. Janeway; Eric Schroder 1997-8-14 5330 Sierra Church Meadows; about 1.5 mi east of Gold Lake. 2042 Comment
  SEINET13276724 Image available Symphyotrichum spathulatum var. spathulatum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-1 19494 Sierra Northern Sierra Nevada mountains: Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir (Boca 7.5' Q.) 1769 Comment
  SEINET13710570  Tanacetum parthenium Lowell William Ahart, Lowell William Ahart 2001-1 9084 Sierra Near Diversion Dam across Little Truckee River, S of Fiberboard Road (Fsr 18), 1/8 Mi. N of Henness Pass Rd., 5 Air Mi. E of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft. 1920 Comment
  UC54440  Taraxia tanacetifolia H. M. Hall and E. B. Babcock July 1903 4463 Sierra Sierra Valley Sierra Nevada Mountains 1524 Comment
  SEINET12216912  Tellima grandiflora F. H. Utech 1986-1 86 -085 Sierra Tahoe Natioanal Forest, ca 1 mi N of junction North Yuba River & CA 49 bridge 950 Comment
  SEINET12217520  Tellima grandiflora F. H. Utech 1990-1 90 -874 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  CAS-BOT-BC329005  Tetradymia canescens Alice Eastwood 1918-6-29 7838 Sierra Loyalton Comment
  CAS-BOT-BC329006  Tetradymia canescens W. Harnach; N. Harnach 1989-7-15 222 Sierra Sierra Valley. Calpine Ranch. 1505 Comment
  UC1070350  Tetradymia canescens G. T. Nordstrom 1936-7-8 901 Sierra 4 mi se Dog Valley; Sierraville Quad. 1493 Comment
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Jun 6 2014
  UC854451  Thalictrum fendleri Lewis S. Rose 1934-7-14 34362 Sierra Gold Lake 1950 Comment
  UC1561849  Thelypodium crispum Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7209 Sierra ca 12 air mi n Truckee (ca 1.5 mi e of Hwy 89, on Tahoe Nat'L For Rd S450, head of Little Truckee River, Kyburz Flat, upper end of flat n of road); Tahoe National Forest, Kyburz Flat, Little Truckee River 1920 Comment
  SD9916  Thelypteris nevadensis Mrs. R. M. Austin, George E. Davenport 1875-1 Sierra Sierra Valley [county a guess] Comment
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Jul 11 2010
  SJSU6447  Thlaspi arvense N. A. Hopkins 1971-6-19 411 Sierra ENE of Sattley, Sierra Valley 1524 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
  JEPS123988  Torilis arvensis subsp. purpurea Lowell Ahart 2015-5-9 20157 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  UCD93209  Torreyochloa pallida var. pauciflora P. B. Kennedy 1929-7-20 s.n. Sierra Salmon Lakes. Comment
  CAS-BOT-BC172908  Toxicodendron diversilobum John Thomas Howell; Gordon H. True 1969-6-25 45857 Sierra North Fork of Yuba River, 5 miles east of Indian Valley 762 Comment
  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
  SJSU12092  Toxicoscordion venenosum var. venenosum N. A. Hopkins 1970-6-11 326 Sierra near stream between Tamarack Lakes & Dugans Pond 1920 Comment
  JEPS124652 Image available Tragopogon porrifolius B. Corwin 1964-6-25 69 Sierra In roadside waste at south side of gas station in Sierraville on rte. 89. Comment
  CAS-BOT-BC377173  Tragopogon pratensis Alice Eastwood 1918-6-29 7932 Sierra Loyalton Comment
  POM61815  Trichostema lanceolatum Geo. D. Butler 1910-7-28 1793 Sierra Near Yreka Comment
  CDA40983  Trichostema oblongum T. C. Fuller 1980-8-13 20328 Sierra West side of Highway 89, 1.3 km north of junction with Highway 49, 2.74 km north of Sattley. 0 Comment
  RSA21699  Trichostema oblongum Carl B. Wolf 1937-8-6 9059 Sierra Northern Sierra Nevada, Church Meadows, SE of Gold Lake 2043 Comment
  SEINET7972660  Trichostema simulatum W. Harnach, N. Harnach 1989-6-27 186 Sierra Sierra Valley, 0.75 miles E of Calpine, Calpine Ranch (home) 1506 Comment
  RSA491815  Trientalis latifolia B. Pitzer 1988-5-27 876 Sierra Above Ramshorn Campground, on Hwy. 49, ca. 15 miles NE of Camptonville and ca. 5 miles W of Downieville. 823 Comment
  SEINET8665858  Trientalis latifolia W. Harnach 2013-5-1 1324 Sierra 1.6 miles west of Goodyears Bar on Hwy 49 and north of the Ramshorn campground. 942 Comment
  CHSC67949  Trifolium andersonii James D. Jokerst 1985-7-22 2532 Sierra 899 Comment
  SEINET7929826  Trifolium andersonii subsp. andersonii J. M. Gillett, A. G. Moulds 1964-6-13 12671 Sierra 9 miles N of Sierraville, Filippini Ranch.; 0 Comment
  JEPS16740  Trifolium andersonii var. andersonii Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4284 A Sierra along rd to Beckwourth, from Calpine Sierra Valley Comment
  POM181628  Trifolium andersonii var. andersonii J. G. Lemmon 1875-06 s.n. Sierra Sierra Valley Comment
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Mar 31 2008
  SEINET7412837  Trifolium beckwithii W. Harnach, N. Harnach 1989-4-30 46 Sierra Sierra Valley, E of Calpine, Calpine Ranch (home). 1498 Comment
  POM297961  Trifolium beckwithii J. G. Lemmon 1874-1 42 Sierra Sierra City Comment
  UC80413  Trifolium beckwithii J. G. Lemmon 1875-1 56 Sierra Comment
  RSA0037156  Trifolium hybridum G. D. Barbe, T. C. Fuller 1982-8-25 3806 Sierra Calpine Meadow, NE of Calipine settlement. 1524 Comment
  UC1130055  Trifolium hybridum E. Sawyer 1935-6-28 251 Sierra 1.5 mi sse Sattley; Sierraville quad 1493 Comment
  UC631000  Trifolium hybridum A. H. Frederick 1925-6-27 Sierra Slug Canyon Downieville Comment
  CAS-BOT-BC217075  Trifolium lemmonii Kenneth R. Genz 1978-6-16 8010 Sierra Dog Valley 1859 Comment
  JEPS33171  Trifolium lemmonii C. F. Sonne 1892-6-5 Sierra Dog Valley Sierra Nevada Mountains Comment
  NY802675  Trifolium lemmonii C. F. Sonne 06 1892 10 Sierra Dog Valley Comment