Search Results — 2000 specimen records retrieved (1315 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD134192  Abies magnifica John Thomas Howell; Gordon H. True 1970-7-14 5513 Sierra At Verdi Peak Lookout, Verdi Range. 2560 Comment
  SEINET7884285 Image available Abies magnifica P. A. Lehenbauer 1936-1 s.n. Sierra Gold Lake Comment
  UC336721  Abies magnifica var. magnifica unknown 1889-6-18 Sierra Gold Lake Comment
Read comments
May 19 2012
  CAS-BOT-BC331040  Acer glabrum var. glabrum Elmer I. Applegate 1921-9-7 3367 Sierra Gold Lake 1981 Comment
  CAS-BOT-BC331041  Acer glabrum var. glabrum H. Albert Barker 1926-7-3 46 Sierra Packer Lake 1965 Comment
  UC1171604  Acer glabrum var. glabrum A. Lewis 1934-7-5 497 Sierra 2.2 mi ne Poverty Hill; Plumas National Forest, Downieville Quadrangle Comment
  CHSC52493  Acer glabrum var. torreyi L. P. Janeway 1984-8-5 969 Sierra Ridgetop just south of Packer Saddle. 2148 Comment
  HSC2806  Acer macrophyllum R. G. Means 1962-6-22 18 Sierra 2.3 mi. E of Downieville, Hwy. 49 915 Comment
  UCD117045  Acer macrophyllum P. B. Schultz 1967-6-30 32 Sierra 2 miles east of Downieville. 929 Comment
  JEPS124793 Image available Acer macrophyllum G. R. Ostrander 1965-6-29 30 Sierra Union flat campground, Hiway 49. Comment
  CAS-BOT-BC28865  Achillea millefolium W. R. Dudley 1909-8-27 s.n. Sierra Near Hot Springs, Sierra Valley Comment
  SEINET6700433 Image available Achillea millefolium W. Harnach, N. Harnach 1989-6-25 179 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch (home) 1509 Comment
  CAS-BOT-BC28860  Achillea millefolium Mrs. H. C. Cantelow 1938-7-2 2360 Sierra 4.5 miles NW of Calpine Comment
  CAS-BOT-BC28866  Achillea millefolium Horace Albert Barker 1926-7-15 141 Sierra Gold Lake 1953 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-BC210715  Achnatherum lemmonii David D. Keck 1944-7-8 5409 Sierra Sierra Valley, 1.5 mi. N. of Sattley, on Feather River Road 1524 Comment
  JEPS110371  Achnatherum lemmonii Lowell Ahart 2006-6-21 12808 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  UC333559  Achnatherum lemmonii unknown Oct. 1890 5451 Sierra Sierra Valley Comment
Read comments
Jul 12 2007
  UCD50518  Achnatherum lemmonii Freed W. Hoffman 1946-6-11 1837 Sierra Between Sierra Valley and Yuba Pass, Sierra County. Comment
  UCD50667  Achnatherum lemmonii Rimo Bacigalupi; L. R. Heckard 1962-5-27 8479 Sierra On slopes just south of (2 miles) Sierraville at edge of floor of Sierra Valley. 1615 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
  SEINET256105  Achnatherum occidentale subsp. californicum Mary E. Barkworth, LR Firestone 1982-8-21 4018 Sierra About 5 mi W of Webber Lake 2015 Comment
  UCD51143  Achnatherum occidentale subsp. californicum A. A. Beetle 1944-8-17 3052 Sierra 5 miles northeast of Sierraville, above north fork of Yuba River. Comment
  CHSC25497  Achnatherum occidentale subsp. occidentale L. Ahart 1977-8-2 Sierra Found on the n side of Mt. Fillmore, ca. 12 mi ne of La Porte. 2000 Comment
  CHSC44597  Achnatherum occidentale subsp. occidentale Lowell Ahart 1977-8-2 1514 Sierra To the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC210936  Achnatherum occidentale subsp. pubescens David D. Keck 1944-7-8 5406 Sierra East side of Yuba Pass (near base, 2 mi. N.W. of Sattley) 1615 Comment
  SEINET255842  Achnatherum occidentale subsp. pubescens L. R. Firestone, H Firestone 1983-8-5 8312 Sierra 1.7 mi north of Alpine on CA 89 1349 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
  CHSC59061  Achnatherum stillmanii Lowell Ahart 1992-7-17 6787 Sierra About 2 (air) miles east of Quartz Point, about 6 (air) miles south-east of Downieville. 1706 Comment
  CDA11885  Achnatherum thurberianum G. F. Hrusa, J. Jokerst 1991-7-5 8547 A Sierra Sierra Valley Region; About Golden Dome. Antelope Valley, approx. 3 m above Sierra Valley. Comment
  UCD84109  Acmispon americanus var. americanus Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  CHSC47678  Acmispon nevadensis Lowell Ahart 1989-8-16 6373 Sierra At Ahart Sheep Camp, about 1 miles north-west of Milton Reservoir. 1706 Comment
  SEINET5327391  Acmispon nevadensis var. nevadensis H. Hamlin s.n. Sierra Sierra Valley Comment
  SJSU12224  Acmispon nevadensis var. nevadensis N. A. Hopkins 1982-6-19 1065 Sierra 1 mi S of Calpine 1524 Comment
  CAS-BOT-BC391503  Aconitum columbianum subsp. columbianum George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  SEINET8663875  Aconitum columbianum var. columbianum W. Harnach, N. Harnach 1989-6-24 175 Sierra 0.5 miles S of Sattley, Martinetti Ranch (Elvers). 1518 Comment
  CAS-BOT-BC412901  Aconogonon davisiae H. Albert Barker July 10 109 Sierra Round Lake Ridge 2103 Comment
  CAS-BOT-BC391619  Actaea rubra W. Harnach; N. Harnach 1989-5-13 088 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1517 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
  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
  CHSC52029  Agastache urticifolia L. P. Janeway 1989-7-28 3538 Sierra Plumas National Forest. Slopes between Haskell Pk and hwy 89/ Sulfur Cr. 2164 Comment
  SEINET7925079  Agastache urticifolia W. Harnach, N. Harnach 1990-6-10 348 Sierra Sierra Valley, W of Loyalton, Balderson Ranch (Antelope Valley). 1524 Comment
  CAS-BOT-BC29384  Ageratina occidentalis J. T. Howell 1969-9-13 46105 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  JEPS29735  Agoseris X dasycarpa Rimo Bacigalupi, and L. R. Heckard 1962-5-27 8490 Sierra 4 mi w, above wet meadow Loyalton; Sierra Valley 1524 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
  SEINET6738689 Image available Agoseris glauca var. monticola W. Harnach, N. Harnach 2002-6-10 1086 Sierra Sierra Valley. Approximately 2 miles east of Calpine, CA., 1.5 miles north of the intersection of Calpine road and Co. Rd A-23. 1494 Comment
  UCD84084  Agoseris heterophylla 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
  SJSU12217  Agoseris heterophylla N. A. Hopkins 1982-6-19 1051 Sierra 1 mi S of Calpine 1524 Comment
  JEPS29717  Agoseris parviflora Rimo Bacigalupi, and L. R. Heckard 1962-5-27 8474 Sierra 2 mi s, on slopes (in open Jeffrey pine woods) Sierraville; Sierra Valley 1615 Comment
  JEPS29182  Agoseris retrorsa Lauramay T. Dempster 1961-6-15 1448 Sierra just s of, (junct. of Calpine Lookout Rd. & Highway 89) Yuba Pass 1828 Comment
  SJSU11998  Agoseris retrorsa N. A. Hopkins 1979-6-9 940 Sierra c. 3 mi NW of Sattley 1524 Comment
  CAS-BOT-BC110757  Agropyron cristatum T. C. Fuller 1963-7-17 10933 Sierra Bottomland of South Branch of Dog Valley Creek, 1 mile northwest of Verdi. Comment
  UC1153928  Agrostis exarata Beecher Crampton 1957-7-24 4404 Sierra 3 mi ne Sattley; Sierra Valley Comment
  CAS-BOT-BC139578  Agrostis gigantea Gordon H. True 1966-7-21 3094 Sierra Sierra Nevada. Sierra Valley, about 1 mile north of Sattley. 1493 Comment
  SJSU12261  Agrostis humilis N. A. Hopkins 1974-8-6 613 Sierra c. 0.25 mi W of Packer Lake 1950 Comment
  CHSC105825  Agrostis idahoensis Lowell Ahart 2010-8-3 17036 Sierra Disturbed area along a small stream that flows into Negro Creek east side of the poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  CHSC85123  Agrostis idahoensis John Dittes; Josephine Guardino, Lowell Ahart 2003-7-31 2003 -75 Sierra Northern High Sierra Nevada; ca. 4.8 air-mile southwest of Sierra City, ca. 6.0 air-mile east by southeast of Downieville, ca. 6.5 air-mile northwest of Bowman Lake; Negro Canyon Creek at crossing of poor 4-wheel-drive road. At creek edge. 1682 Comment
  SEINET4341074  Agrostis idahoensis P. B. Kennedy 1901-7-19 195 Sierra West of Lincoln valley Comment
  CHSC81178  Agrostis oregonensis Lowell Ahart 2001-8-10 9086 Sierra About 100 feet southeast of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  SEINET13709862  Agrostis oregonensis Lowell William Ahart, Lowell William Ahart 2001-1 9086 Sierra Near Diversion Dam across Little Truckee River S of Fiberboard Rd. (Fsr 18), 5 Mi E of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft 1920 Comment
  CAS-BOT-BC138944  Agrostis pallens Lewis S. Rose; J. W. Stacey 1934-7-17 34360 Sierra Golden Lake. 1950 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
  CHSC61937  Agrostis pallens Lowell Ahart 1993-9-24 7245 Sierra On the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  JEPS87476  Agrostis pallens Lowell Ahart 1993-9-24 7245 A Sierra ca. 3/4 mi s. of dirt road from Gibsonville to Johnsonville (w. side red rock outcrop, e. of small meadow, w. side poor dirt rd. that ends at stream, n. side Mount Fillmore); Mount Fillmore 2133 Comment
  RSA0115348  Agrostis pallens Lawrence P. Janeway, Tim Hanson, Emily Meigs 2013-8-22 11195 Sierra Northern High Sierra Nevada. Plumas National Forest. 2208 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
  CAS-BOT-BC138783  Agrostis scabra Lowell Ahart 1980-9-9 2607 Sierra Sierra Nevada. Between the outlet of Webber Lake and Little Truckee River. 2200 Comment
  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
  CHSC61939  Agrostis variabilis Lowell Ahart 1993-9-10 7204 Sierra About 1/4 mile south of where the poor dirt road ends at the stream, camp and water ditch, on the north side of Mount Fillmore, about 1 mile southwest of the dirt road from Gibsonville to Johnsville. 2225 Comment
  SEINET4342218  Agrostis variabilis P. B. Kennedy, S. B. Doten 1901-7-23 217 Sierra Lincoln Valley Comment
  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
  CAS-BOT-BC131963  Allium W. Harnach; N. Harnach 1989-5-5 057 Sierra Sierra Valley. Newman Point 1531 Comment
  SJSU12106  Allium bisceptrum N. A. Hopkins 1983-6-15 1132 Sierra bank of arroyo, Upper Long Valley, W of Bordertown 1584 Comment
  HSC97063  Allium campanulatum L. Ahart 2006-6-28 12871 Sierra 3/4 mi. E of Lake Delahunty, 2 mi. NE of Gibsonville 1784 Comment
  SBBG826  Allium campanulatum H. and M. Dearing 1939-7-4 3834 Sierra Gold Lake Comment
  SJSU4983  Allium campanulatum N. A. Hopkins 1968-6-30 137 Sierra near Packer Lake 1889 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
  SEINET8467218 Image available Allium lemmonii A. Solomeshch 2009-6-8 Sierra Sierra Valley, Roen Ranch, along Westside Road, ca 2 km north of intersection of Westside Road and Calpine Rd., [then] c. 1 km east of Westside Road 1493 Comment
  CAS-BOT-BC472755  Allium lemmonii D. E. Breedlove 1962-6-13 3515 Sierra State Hwy. 89, 10.0 miles south of Sierraville, Sierra Nevada 1950 Comment
  CAS-BOT-BC472757  Allium lemmonii D. E. Breedlove 1962-6-13 3515 Sierra State Hwy. 89, 10.0 miles south of Sierraville 1950 Comment
  CAS-BOT-BC472760  Allium lemmonii Rimo Bacigalupi; H. L. Mason; J. R. Sweeney 1953-7-8 4294 Sierra Middle of Sierra Valley, along road from Hawley railway station (on Western Pacific main line) to Loyalton 1481 Comment
  CAS-BOT-BC472761  Allium lemmonii Arthur Menzies 1965-1-1 s.n. Sierra Sierra Valley, Sierra Nevada Comment
  CHSC73867  Allium parvum B. Castro; M. A. Griggs, Plumas NF botanists 1997-7-10 763 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. 2136 Comment
  SEINET8191283  Allium parvum J. C. Baker 1996-4-24 s.n. Sierra Balls Canyon. 1661 Comment
  CAS-BOT-BC476709  Allium validum Mrs. E. C. Sutcliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  UCD21012  Allium validum E. Bortiri 2002-7-4 WFC 60 Sierra Gold Valley, near Sierra Buttes and Packer Lake, Sierra Co. Comment
  SEINET12326794  Allophyllum divaricatum L. Ahart, Ahart, P. 1983-1 4479 Sierra near dirt road ca 2 mi SE of Jackon Meadow Reservoir, ca 1 mi S of Pass Creek 2200 Comment
  CDA11840  Allophyllum gilioides subsp. violaceum G. F. Hrusa, E. Sandoval 1993-5-3 11153 Sierra Sierra Valley; E side of Golden Dome, E side of Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). Comment
  JEPS69407  Allophyllum integrifolium W. L. Jepson 1934-8-2 16799 Sierra Pioneer Rd. Sta. 2 mi. e. Bassett Sta. (N. Fork Yuba R.); N. Fork Yuba R. 1706 Comment
  SEINET14440219  Allophyllum integrifolium S. B. Doten 1901-7-2 74 a Sierra NE [of] Webber Lake. Comment
  CHSC54560  Allotropa virgata Lowell Ahart 1991-7-22 6670 Sierra Near Burlington, about 1 mile north-east of Harris Meadow, about 1-1/4 miles north-east of Granite Mountain. 1828 Comment
  SEINET7220229  Allotropa virgata P. B. Kennedy, S. B. Doten 1901-7-11 145 Sierra Webber Lake Comment
  CAS-BOT-BC171387  Alnus incana subsp. tenuifolia H. Albert Barker 1926-7-2 53 Sierra Packer Lake Creek 1950 Comment
  JEPS124703 Image available Alnus incana subsp. tenuifolia Virginia Hardham 1965-6-29 45 Sierra Shore of sand pond, below [east of] Sardine Lakes. 0.7 mi. off HWY 49. Comment
  UCD55872  Alopecurus aequalis Freed W. Hoffman 1946-6-11 1832 Sierra Sierra Valley. Comment
  UCR257688  Alopecurus aequalis George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19467 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
  CAS-BOT-BC138154  Alopecurus aequalis var. aequalis John Thomas Howell 1962-6-18 37838 Sierra Sierra Nevada. Sattley. 1524 Comment
  CHSC109882  Alopecurus aequalis var. aequalis Lowell Ahart 2012-9-18 18451 Sierra Bottom of Poverty Hill Hydraulic Mine, about 2 miles (air) southwest of Poverty Hill, about 4 1/2 miles (air) south of La Porte. 1388 Comment
  UCD84123  Alopecurus geniculatus Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  CDA11870  Alopecurus saccatus G. F. Hrusa, J. Jokerst 1991-7-5 8531 A Sierra Sierra Valley Region; Bottom of Antelope Valley. Comment
  UCD84212  Alopecurus saccatus 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
  UCD54407  Alyssum alyssoides A. M. Shapiro 2006-6-11 s.n. Sierra 1.8 mi NE of Sierraville. 1539 Comment
  UCD103888  Alyssum alyssoides A. M. Shapiro 2011-6-10 s.n. Sierra 1.2 mi N of Town of Sierraville, along Hwy 89. 1513 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
  JEPS113958  Amaranthus powellii W. and N. Harnach 2000-8-22 980 Sierra Sierra Valley 1.0 miles east of Calpine, CA on Calpine Road. (home) Comment
  SEINET7898278  Amaranthus retroflexus W. Harnach, N. Harnach 2000-8-22 980 Sierra 1.0 miles east of Calpine, CA on Calpine Road. (home) 1504 Comment
  RSA232654  Amelanchier pallida Larry E. DeBuhr 1972-5-21 583 Sierra Tahoe National Forest; along Hwy. 49 east of Sierra City. 1524 Comment
  SEINET6190254  Amelanchier pumila P. B. Kennedy, S. B. Doten 1901-7-5 97 Sierra Webber Falls, canyon below Comment
  SEINET6190255  Amelanchier pumila P. B. Kennedy, S. B. Doten 1901-7-12 166 Sierra Webber Lake Comment
  CAS-BOT-BC136876  Amelanchier utahensis W. Harnach; N. Harnach 1990-5-13 307 Sierra Sierra Valley. The Mounds near Sattley 1517 Comment
  CAS-BOT-BC494135  Amsinckia intermedia William Harnach 2002-5-29 1069 Sierra Sierra Valley. Newman Point (Rice on the maps) approx. 5 mi NE of Sierraville on Hwy 49 1531 Comment
  CAS-BOT-BC45080  Anaphalis margaritacea H. Albert Barker 1926-7-16 127 Sierra Gold Lake, first island. 1953 Comment
  SEINET5337582  Anemone tuberosa M. Humphreys 1950-4-30 14 Sierra 1 mile north of Downieville. 914 Comment
  UC1052536  Angelica breweri L. Constance, R. Bacigalupi and E. Nasir 1953-9-9 3471 Sierra 4 mi s of Webber Lake (between Webber and Meadow Lakes) 2133 Comment
  CAS-BOT-BC63862  Antennaria argentea Barbara T. Keller 1975-6-11 1534 Sierra Near trail to Chapman Saddle, along Hwy 49, about 5 miles northeast of Sierra City 1584 Comment
  SJSU9805  Antennaria dimorpha C. W. Sharsmith 1982-5-30 8656 Sierra 2 mi N of Sattley on Sattley-Beckwourth Road, Sierra Valley 1524 Comment
  CAS-BOT-BC58654  Antennaria luzuloides David D. Keck 1944-7-8 5418 Sierra Sierra Valley, 1.5 mi. N of Sattley on Feather River Road 1524 Comment
  SEINET6755222 Image available Antennaria luzuloides W. Harnach, N. Harnach 1989-6-4 124 Sierra Sierra Valley, E of Calpine, Calpine Ranch (home) 1506 Comment
  CAS-BOT-BC58651  Antennaria luzuloides W. Harnach; N. Harnach 1989-6-4 125 Sierra Sierra Valley, Calpine Ranch 1505 Comment
  SJSU9810  Antennaria luzuloides C. W. Sharsmith 1982-5-30 8660 .5 Sierra 2 mi N of Sattley on Sattley-Beckwourth Road, Sierra Valley 1524 Comment
  SEINET8916920 Image available Antennaria luzuloides subsp. aberrans W. Harnach 2013-5-17 1349 Sierra Sierra Valley, W of Loyalton, along Antelope Valley Road, 0.1 mile S of Hwy 49. 1501 Comment
  UC1609023  Antennaria rosea Lowell Ahart 1993-9-10 7208 Sierra about 1 1/4 mi s dirt road from Gibsonville to Johnsville (meadow on n side of mt.); Mt. Fillmore 2225 Comment
  UC54136  Antennaria rosea H. M. Hall and E. B. Babcock 1903-7-1 4502 Sierra Gold Lake Sierra Nevada Mountains, Gold Lake 1950 Comment
  CHSC53030  Apocynum androsaemifolium L. P. Janeway 1989-8-18 3611 Sierra Plumas National Forest. Flat top of small spur ridge 1/2 mi SE of Chapman Saddle, overlooking Sulphur Cr. 1996 Comment
  HSC65739  Apocynum androsaemifolium R. F. Thorne 1974-7-30 45042 Sierra Tahoe National Forest, Goose, Haven and Snag Lake areas 2058 Comment
  SEINET7923619  Apocynum androsaemifolium W. Harnach, N. Harnach 1991-6-24 587 Sierra W of Loyalton, Antelope Valley, On the edge of road 1707 Comment
  SEINET8507122  Apocynum androsaemifolium 2009-7-29 s.n. Sierra Verdi Range 2332 Comment
  RSA403112  Apocynum androsaemifolium subsp. pumilum Robert Gustafson 1985-6-14 3171 Sierra Hwy. 49, ca 2 miles to Yuba Pass summit 1951 Comment
  JEPS124516 Image available Aquilegia eximia Himayat H. Naqvi 1965-6-29 73 Sierra About 4 miles up the downville, highway 89 Comment
  CAS-BOT-BC407120  Aquilegia formosa W. Harnach; N. Harnach 1990-6-30 445 Sierra Sierra Valley, Yuba Pass 2042 Comment
  CAS-BOT-BC407121  Aquilegia formosa Joseph Gerber 1953-7-5 19 Sierra Lake Independence 2133 Comment
  SJSU13888  Aquilegia formosa N. A. Hopkins 1985-7-3 1288 Sierra between Sierraville & Lemon Valley c. 2 mi E of Sierraville 1554 Comment
  RSA8048  Arabis drummondii H. A. Barker 1927-6-28 744 Sierra Gold Lake. 1982 Comment
  UCD53880  Arctostaphylos Beecher Crampton 1954-5-11 1894 Sierra 4 miles west of Yuba Pass. Comment
  SJSU12015  Arctostaphylos mewukka N. A. Hopkins 1975-5-10 648 Sierra near confluence Wild Plum Cr & N Yuba R 1310 Comment
  CAS-BOT-BC45432  Arctostaphylos nevadensis Catherine Best 1981-6-18 s.n. Sierra On the Packer's Lake Rd. Comment
  CAS-BOT-BC45472  Arctostaphylos nevadensis Lewis S. Rose 1934-7-21 34398 Sierra Gold Lake. 1950 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
  SEINET12524600 Image available Arctostaphylos nevadensis L. S. Rose 1934-1 34398 Sierra Gold lake. 1951 Comment
  SBBG33897  Arctostaphylos nevadensis subsp. nevadensis L. S. Rose 1969-6-25 69055 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC46502  Arctostaphylos patula Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen. Comment
  JEPS38824  Arctostaphylos patula W. L. Jepson 1934-8-4 16852 Sierra 2 mi e Bassett sta.; North Fork Yuba River, Pioneer Road sta. Comment
  UCD53308  Arctostaphylos patula P. B. Schultz 1967-6-27 8 Sierra 1 1/4 miles northeast of station; U.C. Sagehen Creek Station. 1920 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
  SEINET11998347  Arctostaphylos patula Unknown 1988-1 s.n. Sierra between Bassett's on W side of Yuba Pass to jct of CA 49 & CA 89 1951 Comment
  SEINET7263469  Arctostaphylos patula P. Lehenbauer 1926-3-14 1316 Sierra [Sierra Nevada] Dog Valley Grade Comment
  SEINET7266020  Arctostaphylos patula C. Esser 1951-4-15 16 Sierra Highway 49, three miles west of Sattley 1524 Comment
  SEINET7266303  Arctostaphylos patula K. E. Bradshaw 1942-5-20 416 Sierra 3 1/2 miles southwest of Purdy, on old Trosi Ranch 1737 Comment
  JEPS125681  Arctostaphylos viscida subsp. viscida William Harnach 2013-4-6 1300 Sierra 1.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  CAS-BOT-BC467184  Arenaria serpyllifolia var. serpyllifolia Catherine Best 1980-6-12 s.n. Sierra Sierra Nevada: Herringtons, Sierra City Comment
  CAS-BOT-BC401664  Argemone munita subsp. munita W. Harnach; N. Harnach 1991-7-24 655 Sierra Sierra Valley. Lemon Canyon road, approx 1 1/2 miles east of Hwy 49 1524 Comment
  SFV18764  Arnica P. Wilson 2004-6-25 3983 Sierra Along street in Aspendell. 2572 Comment
  CAS-BOT-BC82093  Arnica W. R. Dudley 1894-8-31 s.n. Sierra Webber Lake outlet 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
  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-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
  JEPS124619 Image available Arnica chamissonis Reinhard Jockel 1969-7-3 37 Sierra In meadow E of Kyburz Marsh, 2 Miles N of Little Truckee Bridge. Comment
  JEPS125744  Arnica dealbata William Harnach 2012-7-30 1255 Sierra Approximately 1 mile South of Forest Road 09, on Road 0913. 1.5 air miles SE of Haskell Peak, Tahoe National Forest. Comment
  SEINET8655772 Image available Arnica dealbata W. Harnach 2012-8-13 1292 Sierra Road 21N27 at the intersection with Road 21N27B, approx 2.0 miles from Chapman Saddle, Plumas National Forest 2161 Comment
  CAS-BOT-BC82604  Arnica lanceolata subsp. prima J. G. Lemmon s.n. Sierra unspecified Comment
  SEINET6775131 Image available Arnica mollis W. Harnach, N. Harnach 2000-6-29 929 Sierra Approximately 0.5 miles north of Coburn Lake at the end of access road 2188 Comment
  JEPS125729  Arnica nevadensis William Harnach 2015-8-5 1435 Sierra Approximately 3.4 air miles SE of Yuba Pass. Comment
  CAS-BOT-BC90108  Artemisia arbuscula subsp. arbuscula Catherine Best 1984-6-19 1001 -A Sierra Sierra Valley - at the edge of Hwy A 23 about 3 miles north of Sattley 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
  UCD22400  Artemisia dracunculus Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1332 Sierra Sierra Valley. Along Hwy 49, NE of the town of Sierraville. East side of 89, near entrance to Wallace Ranch, formerly Torri Ranch. 1493 Comment
  UCD129355  Artemisia tridentata R. O. Hanes 1992-9-28 92 Sierra Cottonwood Creek. Tahoe Forest. 1889 Comment
  CAS-BOT-BC97411  Artemisia tridentata subsp. tridentata John Thomas Howell 1969-9-13 46099 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CHSC67157  Artemisia tridentata subsp. vaseyana James D. Jokerst 1990-7-27 3171 Sierra Balls Ranch Surveys for Jones and Stokes. Summit of Bald Mtn. Range at N end. 2621 Comment
  CAS-BOT-BC400626  Asarum hartwegii Alice Eastwood 1918-4-6 s.n. Sierra Downieville Comment
  SEINET183424  Asclepias cordifolia L. Constance 1938-6-9 2300 Sierra Junction of North and South Forks of the North Fork of the Yuba River at Sierra City. 1372 Comment
  UCR53729  Asclepias cordifolia B. G. Pitzer, Steve Morgan 1988-5-28 0899 Sierra Sierra Nevada Mtns., Convict Flat Picnic Area, on North Yuba River, 12 mi NE of Camptonville on Hwy 49 780 Comment
  HSC3299  Asclepias cordifolia R. Spellenberg 1964-6-14 388 Sierra 3 mi. W of Sierra City on Hwy. 49 Comment
  SEINET6833705  Asclepias cordifolia P. B. Kennedy 1903-6-27 785 Sierra Dog Valley, near Verdi. Comment
  SEINET6833752  Asclepias cordifolia H. Hamlin s.n. Sierra Sierra Valley Comment
  SEINET6833825  Asclepias cordifolia M. Sady 1991-7-29 s.n. Sierra [Sierra Nevada] On eastside of Hwy 89, 1 mile south of Sierraville 1550 Comment
  SEINET6833891  Asclepias cordifolia M. J. Williams 1979-6-13 79- 73 -1 Sierra Dog Valley Road Comment
  SJSU12019  Asclepias cordifolia N. A. Hopkins 1975-6-16 664 Sierra on trail above Pauley Creek between 2nd & 3d Divides 1097 Comment
  UCD121257  Asclepias cordifolia Verna Jigour; Mark F. Bean 1976-5-9 6 Sierra Southeast slope; road marker #13.38 Comment
  CHSC10776  Aspidotis californica Lowell Ahart 1969-7-17 Sierra 10 miles south of La Porte near Poverty. 914 Comment
  CAS-BOT-BC68778  Aspidotis densa Mrs. E. C. Sutliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  CHSC94181  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
  POM9937  Aspidotis densa F. W. Peirson 1921-8-9 s.n. Sierra Aspen Meadow, South Fork of San Joaquin River 2515 Comment
Read comments
Aug 8 2010
  SJSU12067  Aspidotis densa N. A. Hopkins 1970-6-11 328 Sierra between Tamarack Lakes & Dugans Pond 1981 Comment
  CAS-BOT-BC99266  Aster W. Harnach; N. Harnach 1990-7-30 492 Sierra Sierra Valley - Hamlin Creek area 1569 Comment
  CAS-BOT-BC99267  Aster W. Harnach; N. Harnach 1990-9-25 531 Sierra Sierra Valley - 1/2 mile west of Loyalton 1499 Comment
  UCD40300  Aster Rodney Gale Myatt 1971-7-3 795 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  RSA39083  Aster alpigenus Philip A. Munz 1948-8-11 12332 Sierra Carvin Creek on Highway 49, northeast of Sierra City. 1738 Comment
  RSA286286  Aster breweri R. F. Thorne 1974-7-30 45038 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes area. 2058 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
  POM261611  Aster integrifolius L. S. Rose 1934-7-20 s.n. Sierra Gold Lake 1951 Comment
  CAS-BOT-BC477890  Asteraceae W. R. Dudley 1894-8-30 s.n. Sierra By road west- Webber Lake to Mountain Lake. Comment
  CAS-BOT-BC477891  Asteraceae W. R. Dudley 1896-8-1 s.n. Sierra Near Webber Lake. 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
  CDA18120  Astragalus andersonii G. D. Barbe, T. C. Fuller 1973-6-19 1626 Sierra Tahoe National Forest; Stateline W of Verdi on (Dog Valley Rd.) Smithneck Rd. (ca. 1 mi (1.6 km) W of Verdi). 1493 Comment
  CHSC56850  Astragalus bolanderi L. P. Janeway; Garrett Gibson 1991-8-12 4137 Sierra Plumas National Forest. Ca .15 mi northeast of Mohawk Gap, ca 3 mi northwest of Haskell Peak. 2133 Comment
  RSA0002872  Astragalus cyrtoides J. G. Lemmon 1875-1 622 Sierra Sierra Nevada Mtns.: Sierra Valley Comment
  JEPS54676  Astragalus lemmonii J. G. Lemmon June 1887 Sierra Sierra Valley Comment
  SEINET10951770 Image available Astragalus lemmonii John G. Lemmon Lemmon s.n. Sierra Sierra to Siskiyou valeys. Comment
  UC574580  Astragalus pulsiferae Mrs. Pulsifer Ames 1874-8-1 33 Sierra Sierra and Plumas Counties , Long Valley, Sierra Co. (Long Valley, Sierra Co.) Comment
  CAS-BOT-BC205795  Astragalus purshii James R. Shevock 1985-5-19 11143 Sierra Northern Sierra Nevada. Tahoe National Forest. Along California highway 89, 1.4 miles south of Sierraville and about 21 miles north of Interstate 80 1700 Comment
  RSA795984  Astragalus purshii James R. Shevock 1985-5-19 11143 Sierra Tahoe National Forest. Along California highway 89, 1.4 miles south of Sierraville and about 21 miles north of Interstate 80. 1700 Comment
  CAS-BOT-BC192962  Astragalus purshii var. purshii W. R. Dudley 1909-8-25 s.n. Sierra Sierra Valley, near Sierraville Comment
  JEPS29719  Astragalus purshii var. purshii Rimo Bacigalupi and L. R. Heckard 1962-5-27 8476 Sierra just s (2 mi) Sierraville (at edge of Sierra Valley); edge of Sierra Valley 1615 Comment
  CAS-BOT-BC193057  Astragalus purshii var. tinctus J. G. Lemmon s.n. Sierra Unspecified Comment
  UC336661  Athyrium distentifolium var. americanum J. G. Lemmon 1874-8-15 Sierra near Webber Lake (side of Mt Rose) Comment
Read comments
Sep 4 2010
  SCFS756  Avena sativa V. Hardham 1965-7-6 89 Sierra Ditch ca 0.25 mi from Hwy 89, Cal Pine and Beckworth Rds 1524 Comment
  CAS-BOT-BC100045  Balsamorhiza hookeri D. E. Breedlove 1962-6-13 3507 Sierra 1.5 miles north of Sierraville, on State Hwy. 89 1524 Comment
  CAS-BOT-BC100047  Balsamorhiza hookeri W. Harnach; N. Harnach 1989-5-9 075 Sierra Sierra Valley. Newman Point (Rice on map) 1524 Comment
  JEPS29730  Balsamorhiza hookeri Rimo Bacigalupi and L. R. Heckard 1962-5-27 8485 Sierra 4.7 mi ne of Sierraville (e edge of s arm Sierra Valley); Sierra Valley 1524 Comment
  UCD129527  Balsamorhiza macrolepis T. Adams 1998-5-17 28 Sierra Antelope Valley, 2 miles down dirt road off Hwy 149. 1572 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
  CAS-BOT-BC100101  Balsamorhiza sagittata W. Harnach; N. Harnach 1990-4-19 265 Sierra Knuthson Meadows (commonly called Carman Valley) 1548 Comment
  CAS-BOT-BC16678  Barbarea orthoceras Javier Penalosa 1962-6-20 2517 Sierra Little Truckee River at Highway 89. 1905 Comment
  CAS-BOT-BC16681  Barbarea orthoceras Catherine Best 1982-7-12 763 Sierra Sierra Nevada. Packer's Lake. 1828 Comment
  CAS-BOT-BC16684  Barbarea orthoceras Rimo Bacigalupi 1957-7-4 1608 Sierra Along North Fork of Yuba River 2 miles west of Yuba Pass. 1920 Comment
  CHSC541  Barbarea orthoceras V. Holt 1942-7-18 Sierra Gold Lake. 1950 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
  CAS-BOT-BC145801  Beckmannia syzigachne Alice Eastwood 1915-6-29 7914 Sierra Loyalton. Comment
  CAS-BOT-BC145850  Beckmannia syzigachne W. R. Dudley 1909-8-27 s.n. Sierra Sierra Valley. East of Hot Springs. Comment
  SEINET200167  Beckmannia syzigachne H. L. Mason 1953-7-7 14558 Sierra Sierra Valley pond 1.5 mi E of Calpine Comment
  CAS-BOT-BC75669  Berberis nervosa Charlotte Pyle 1977-5-31 s.n. Sierra 2 or 3 miles north of Alleghany near American Flat in the Oregon Creek drainage. 1463 Comment
  UCD95004  Berberis nervosa Gordon H. True; Charlotte Pyle 1977-9-29 8461 Sierra About 2 miles airline south of Indian Valley. Indian Creek on Joubert-Mt. House road ca. 6.5 miles east of Hwy. 49 at Joubert Diggings ca. 3.5 miles north of Camptonville. 1280 Comment
  CAS-BOT-BC413062  Bistorta bistortoides R. K. Gierisch; D. H. Esplin 1969-6-25 3496 Sierra Tahoe National Forest. Anderson Mdw. Comment
  SEINET8665976 Image available Blepharipappus scaber W. Harnach 2013-5-17 1350 Sierra 0.75 miles south of Hwy 49 on Antelope Valley Road. 1526 Comment
  CAS-BOT-BC128023  Blepharipappus scaber E. B. Babcock; G. L. Stebbins, Jr. 1936-6-5 1723 Sierra Open valley flat, southeast edge of Sierra Valley, near junction of Smithneck and Bear Valley Creek, 2 miles south of Loyalton 1615 Comment
  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
  CHSC25491  Boechera arcuata L. Ahart 1977-4-20 Sierra Found alogn the edge of the road s of Alleghany ca. 1 mi. 1400 Comment
  CAS-BOT-BC15924  Boechera arcuata R. S. Smith 1926-4-19 1782 Sierra Tahoe Forest. Shady flat Range, Downieville Dirt over river. 1219 Comment
  CAS-BOT-BC16070  Boechera breweri Lowell Ahart 1982-7-28 3714 Sierra About 5 miles east of La Porte. About 0.125 mile north of the Pacific Mine. 1700 Comment
  CHSC74075  Boechera divaricarpa B. Castro; L. Gehrung, H. Durio 1995-9-14 625 Sierra Mt. Fillmore Mdws: Mdw 2. 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 midslope terrace of mtn, feeding Pearson Ravine. Easternmost meadow. 2109 Comment
  JEPS53202  Boechera pinetorum W. L. Jepson 1934-8-3 16831 Sierra 2 mi e Bassett sta. (pioneer road sta.); North Fork Yuba River 1706 Comment
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Dec 26 2016
  UC614623  Boechera pinetorum L. Constance 1938-6-9 2307 Sierra 2.4 mi nw Sattley (e side of Yuba Pass); Yuba Pass 1524 Comment
  SEINET4175963  Boechera platysperma W. Harnach 2004-7-10 1197 Sierra .25 miles NE of the intersection of the Chapman Saddle Road with the Beartrap Meadows Rd (Four Corners) 2042 Comment
  CAS-BOT-BC25382  Boechera retrofracta L. Constance 1938-6-8 2296 Sierra Junction of North and South Forks of North Fork of the Yuba River, Sierra City. 1371 Comment
  CHSC43435  Boechera suffrutescens Lowell Ahart 1975-6-28 820 Sierra About 2 miles east of Gibsonville, about 10 miles north-east of La Porte. 1981 Comment
  CAS-BOT-BC478474  Boisduvalia W. Harnach; N. Harnach 1989-8-27 244 Sierra Sierra Valley 1496 Comment
  CAS-BOT-BC478476  Boisduvalia W. Harnach; N. Harnach 1989-6-27 185 Sierra Sierra Valley In drainage in old burn area behind the house - Calpine Ranch (home) 1505 Comment
  RSA88518  Boisduvalia densiflora var. densiflora J. T. Howell 1951-8-21 28241 Sierra 5 miles from Calpine on road to Blairsden. 1524 Comment
  CHSC85026  Botrychium simplex var. compositum John Dittes; Lowell Ahart 2003-9-28 838 Sierra Northern High Sierra Nevada; ca. 7.6 air-miles northeast of La Porte, ca. 11.9 air-miles north of Downieville, ca. 14.9 air-miles south by southeast of Quincy; north slope of Mt. Fillmore. Bank of drainage in meadow. 2182 Comment
  CHSC69191  Boykinia occidentalis Vernon Oswald; Lowell Ahart 1997-8-19 8823 Sierra Mountain House Rd. (County Rd. 300) at Young America Creek, 3.6 mi south of Goodyears Bar. 1112 Comment
  UC407048  Boykinia occidentalis Rimo Bacigalupi 1927-7-2 1590 Sierra Downieville Road about 8 mi ne Comptonville Comment
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Nov 8 2011
  SD50714  Boykinia occidentalis Darley F. Howe 1959-8-2 2773 Sierra 15.5 miles west of Downieville, sandy wash near stream 914 Comment
  SEINET6166144  Brasenia schreberi W. Harnach, N. Harnach 2000-8-5 979 Sierra Sierra Valley, 1.5 miles west of Sierravlile on Highway 49, Strang Pond 1506 Comment
  CAS-BOT-BC127785  Brickellia grandiflora L. S. Smith 1932-8-10 2725 Sierra Church Meadows 2133 Comment
  CHSC105174  Brickellia greenei B. Castro; L. P. Janeway 1997-9-14 787 Sierra South flank of Stafford Mtn, just above the Gibsonville-Jonesville Rd. 1859 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
  RSA299209  Brickellia greenei Lillian S. Mott LM 6555 Sierra On road to Sierra Buttes out of Sierra City 2043 Comment
  SEINET10570674  Brodiaea John G. Lemmon Lemmon 110 Sierra Sierra Meadows. Sierra Valley. Comment
  CAS-BOT-BC484380  Brodiaea elegans subsp. elegans Lewis S. Rose 1955-7-20 55166 Sierra 2 miles south of Calpine 1508 Comment
  CAS-BOT-BC484381  Brodiaea elegans subsp. elegans W. Harnach; N. Harnach 1989-7-1 215 Sierra Sierra Valley, Sattley Hill 1524 Comment
  RSA107456  Brodiaea elegans subsp. elegans L. S. Rose 1955-7-20 55166 Sierra 2 miles south of Calpine 1509 Comment
  UCD84080  Bromus carinatus 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
  SEINET4345370  Bromus carinatus P. Lehenbauer 1937-6-8 59 Sierra 25 miles west of Reno, Nevada, on Truckee River at Iceland, south side of river, near falls 1676 Comment
  CHSC94208  Bromus carinatus var. carinatus Lowell Ahart 2006-6-21 12797 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany. 849 Comment
  CAS-BOT-BC148756  Bromus carinatus var. marginatus Lowell Ahart 1977-8-2 1470 Sierra Found on the north side of Mount Fillmore. Mount Fillmore is about 12 miles northeast of La Porte. 2000 Comment
  UCD59235  Bromus carinatus var. marginatus L. S. Smith 1916-6-30 670 Sierra Dog Valley Summit. Comment
  UC1131008  Bromus commutatus E. Sawyer 1935-6-28 249 Sierra 1 1/2 mi sse of Sattley 1493 Comment
  CAS-BOT-BC155306  Bromus inermis John Thomas Howell; Gordon H. True 1970-7-14 5497 Sierra Sierra Nevada. West side of Dog Valley ca. 5 miles northwest of Verdi (Nevada). 1889 Comment
  CDA17272  Bromus japonicus G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16299 Sierra Sierra Nevada; Sierra Valley: Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. 1645 Comment
  UCD58873  Bromus japonicus Beecher Crampton 1957-7-24 4409 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  HSC97011  Bromus laevipes L. Ahart 2006-6-21 12805 Sierra W side of Foote Rd., 3.7 mi. SW of Alleghany 1094 Comment
  JEPS110374  Bromus laevipes Lowell Ahart 2006-6-21 12805 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  UCR17473  Bromus marginatus Frank C. Vasek 1975-7-10 750710- 09 Sierra Sierra Nevada Mtns., 1 mi west of State Hwy 89 on Henness Pass Rd. 1951 Comment
  SEINET4404026  Bromus orcuttianus M. J. Williams, B. Trowbridge, G. True Jr., A. Tiehm 1977-7-26 77- 48 -4 Sierra Independence Lake 2118 Comment
  CHSC92036  Bromus suksdorfii Lowell Ahart 2005-8-30 12343 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
  UCD84121  Bromus tectorum Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  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
  SCFS5128  Bromus tectorum Laurie Hooker 1965-7-26 163 Sierra Across Highway 89 from road to Sagehen Station. 1951 Comment
  CAS-BOT-BC185527  Bromus vulgaris Catherine Best 1985-6-20 1018 Sierra Sierra Nevada. Herrington's, Sierra City. 1219 Comment
  SJSU13945  Bromus vulgaris N. A. Hopkins 1984-8-5 1229 Sierra Chapman Saddle Road 1767 Comment
  UCR263567  Bulbostylis capillaris Lowell Ahart 1994-7-1 7438 Sierra Sierra Nevada Mtns., on the N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, about 1.5 mi NE of Middlewaters, about 11 mi (air) NE of Alleghany 1890 Comment
  CHSC61560  Calamagrostis stricta subsp. inexpansa L. P. Janeway 1984-8-25 1069 Sierra Lakes Basin; at Snag Lake. 2026 Comment
  CAS-BOT-BC438332  Calandrinia ciliata L. S. Smith 1925-4-27 1550 Sierra Tahoe National Forest. Freemans Crossing 762 Comment
  CHSC78316  Calliscirpus brachythrix Lowell Ahart 2000-7-13 8591 Sierra On a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany. 1615 Comment
  UCR88937  Callitriche verna Margaret Williams 1972-8-27 s.n. Sierra Near Worn Mill on Boca-Stampede Dam Road, 6.2 mi north of Boca. 1805 Comment
  JEPS115046  Calocedrus decurrens Lowell Ahart 2007-10-25 14505 Sierra About 10 yards east of Port Wine Ridge Road and the remains of two old buildings, about 1 1/2 miles north of Scales, about 5 miles (air) south of La Porte 1432 Comment
  CAS-BOT-BC487780  Calochortus bruneaunis W. Harnach; N. Harnach 1989-6-18 154 Sierra Sierra Valley, Calpine Ranch (home) 1505 Comment
  SEINET12054005  Calochortus coeruleus J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. Comment
  CHSC32050  Calochortus leichtlinii L. Ahart 1979-7-15 1968 Sierra On n side of Mt. Fillmore. 609 Comment
  CAS-BOT-BC490239  Calochortus leichtlinii Albert H Barker 1938-7-2 3963 Sierra 5 mi N.W. of Calpine Comment
  JEPS124670 Image available Calochortus leichtlinii Laurie Hooker 1965-6-24 6 Sierra Highway 89, 1 mile north of Little Truckee, at left of road. At campground in clearing. Comment
  SEINET12053902  Calochortus leichtlinii J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. Comment
  SEINET8197327  Calochortus leichtlinii S. B. Doten 1901-7-5 88 Sierra Webber Lake Comment
  UC119899  Calochortus leichtlinii J. G. Lemmon 1875-1 268 Sierra Comment
  CAS-BOT-BC181494  Caltha leptosepala Barbara T. Keller 1974-6-15 1483 Sierra Chapman Creek Campground, about 7 miles NE of Sierra City on Highway 49 1767 Comment
  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
  JEPS84190  Calyptridium monospermum L. R. Heckard with Susan D'Alcamo 1986-6-6 6275 Sierra ca 2 mi n Sierra City; Sierra Valley 1450 Comment
  UC614394  Calyptridium monospermum L. Constance 1938-6-8 2297 Sierra junction of North and South Forks of North Fork Yuba River ( Sierra City); Sierra City 1371 Comment
  SEINET5336267  Calyptridium paniculatum J. Robertson 1960-6-18 s.n. Sierra Old sheep bed ground - Sagehen Cr. 2134 Comment
  CHSC37209  Calyptridium umbellatum L. Ahart 1982-7-28 3717 Sierra On dry bare loose coarse soil near the road at the Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  SEINET9114973  Calyptridium umbellatum H. M. Hall, E. B. Babcock 1903-1 4511 Sierra Gold Lake. 1951 Comment
  UCD100419  Calyptridium umbellatum Adele Frederich 1922-7-10 s.n. Sierra Downieville, Alabama Hills. 1219 Comment
  UCD40246  Calystegia malacophylla Rodney Gale Myatt 1972-6-1 1587 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 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
  SEINET8584752  Calystegia malacophylla subsp. malacophylla W. Harnach 2015-5-6 1406 Sierra 1.2 mile south of Goodyears Bar (from the intersection at Hwy 49) on Mountain House Road. 882 Comment
  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
  RSA719204  Calystegia occidentalis subsp. occidentalis L. Ahart 2006-6-21 12796 Sierra On the west side of the foote Road, about 4 miles (by road) southwest of alleghany. 849 Comment
  SJSU14316  Calystegia occidentalis subsp. occidentalis N. A. Hopkins 1989-7-4 1556 Sierra 1 mi S of Calpine 1554 Comment
  RSA286320  Camassia leichtlinii subsp. suksdorfii Robert F. Thorne 1974-7-30 45054 Sierra Tahoe National Forest: Goose, Haven, and Snag Lake area. 2058 Comment
  SEINET8471940  Camassia quamash W. Harnach, N. Harnach 1989-5-20 102 Sierra Sierra Valley, Approx 1.0 miles S of intersection of Calpine Rd. and Co. Rd. A-23, Kirkpatrick Ranch near Sattley dump. 1499 Comment
  CAS-BOT-BC497686  Camassia quamash Catherine Best 1981-6-18 s.n. Sierra Meadow at Yuba Summit Comment
  SEINET8472088  Camassia quamash subsp. breviflora W. Harnach, N. Harnach 1990-6-30 434 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  UC1368484  Camassia quamash subsp. breviflora R. K. Gierisch and D. H. Esplin 1969-6-26 3477 Sierra Tahoe National Forest, Secret Meadow Secret Meadow; Tahoe National Forest, Secret Meadow 1981 Comment
  CAS-BOT-BC497573  Camassia quamash subsp. breviflora Frank W. Gould 1938-6-25 438 Sierra Calpine, 3 miles north of Sattley 1493 Comment
  RSA231198B  Camassia quamash subsp. breviflora James Henrickson 1969-5-25 3419 Sierra Ca. 30 miles east of Reno, 1 mile west of Sierraville Comment
  JEPS61536  Camassia quamash subsp. quamash W. L. Jepson 1934-8-3 16840 Sierra 2 mi e of Bassett road station (North Fork Yuba River, Pioneer road station); North Fork Yuba River, Pioneer road station 1706 Comment
  UCD14711  Camelina microcarpa A. M. Shapiro 1997-7-1 s.n. Sierra California, Sierra Co.; 1 mile NNE of Sierraville; 1508 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-BC160849  Camissonia tanacetifolia subsp. quadriperforata Alice Eastwood 1918-6-29 7844 Sierra Loyalton Comment
  RSA151661  Camissonia tanacetifolia subsp. quadriperforata R. C. Bacigalupi, H. L. Mason, J. R. Sweeney 1953-7-8 4282 Sierra Along road to Beckwourth, from Calpine, Sierra Valley. 1463 Comment
  CAS-BOT-BC160857  Camissonia tanacetifolia subsp. tanacetifolia Catherine Best 1984-6-19 1010 Sierra On Hwy A23, about .5 miles from the Plumas Co. line. Sierra Valley Comment
  SEINET11196170  Cardamine breweri W. Harnach, N. Harnach 1990-6-6 347 Sierra 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  UC54256  Cardamine breweri H. M. Hall and E. B. Babcock July, 1903 4518 Sierra Yuba Pass Sierra Nevada Mountains, Yuba Pass 1981 Comment
  CAS-BOT-BC282954  Carduus nutans Margaret Williams; Arnold Tiehm 1974-8-17 74 -S-53 Sierra Verdi Ridge Road, Verdi Range 2133 Comment
  CAS-BOT-BC18380  Carex John Thomas Howell 1969-9-13 46118 Sierra Sierra Nevada. Little Truckee River near outlet of Webber Lake. 2042 Comment
  RSA364537  Carex Robert Gustafson 1985-6-12 3158 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
  RSA0037326  Carex amplifolia John F. Emmel 1993-7-1 1269 Sierra Sierra Nevada, east slope of Verdi Range; seep and stream 0.2 air mile NW of hill 5169, ca. 1.5 air miles SW of Verdi, Nevada. 1548 Comment
  CHSC54569  Carex angustata Lowell Ahart 1991-7-22 6684 Sierra Along 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
  UCD84117  Carex athrostachya 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-BC18120  Carex athrostachya Beecher Crampton 1958-6-24 4946 Sierra Sedge meadows along the Little Truckee River, 12 miles south of Sierraville. 1828 Comment
  SEINET10861852  Carex aurea Unknown Anonymous 126 Sierra Mount Shasta. 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
  JEPS117662  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 (a 1731 Comment
  SEINET8017737 Image available Carex constanceana Unknown 2008-1 23920 Sierra 50-150 m S of Forest Service Road 260, 4 air km WSW of Stampede Reservoir, 0.3 road miles from junction with road 11. Sagehen Experimental Forest, Truckee Ranger District,Tahoe National Forest. Sierra Nevada Highlands SNH. Comment
  RSA757864  Carex davyi P. F. Zika 2009-8-23 24622 Sierra Above culvert, Forest Service Road 260, 1.05 road miles west of Route 89 on the signed road to Sagehen Campground. Sagehen Experimental Forest, Truckee Ranger Districk, Tahoe National Forest. 1990 Comment
  SEINET8988322 Image available Carex davyi Unknown 2009-1 24622 Sierra 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, Tahoeational Forest. Sierra Nevada Highlands, nSNH. Comment
  CDA11865  Carex douglasii G. F. Hrusa, J. Jokerst 1991-7-5 8565 A Sierra Sierra Valley Region; Antelope Valley. Comment
  CAS-BOT-BC20055  Carex echinata G. L. Smith 1959-6-19 1198 Sierra Sierra Nevada. Clark Station, 3 miles below Yuba Pass. David Snyder summer home. 1889 Comment
  RSA78542  Carex exserta F. W. Peirson 1935-7-18 13598 Sierra Slate Creek. Comment
  SEINET10650296  Carex exserta Carl W. Sharsmith 1933-7-11 Sharsmith 4 Sierra Tuolumne County. Probably the dominant plant; Tuolumne Meadows near Lembert Dome. 2652 Comment
  CAS-BOT-BC19985  Carex feta Gordon H. True 1966-7-21 3099 Sierra Sierra Nevada. Sierra Valley, about 1 mile north of Sattley. 1493 Comment
  CAS-BOT-BC20171  Carex filifolia var. erostrata Lemmon 1875-1-1 s.n. Sierra Sierra Valley. Comment
  CAS-BOT-BC20174  Carex filifolia var. erostrata Gurdev S. Khush 1959-5-10 27 Sierra Ca. 14 miles north of Truckee and 0.5 mile from Little Truckee River on dirt road to Sardine Valley. 1828 Comment
  CAS-BOT-BC22292  Carex hassei Lemmon 1874-9-1 487 Sierra Sierra Valley. Comment
  JEPS118490  Carex heteroneura Lowell Ahart 2011-9-23 17695 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
  CHSC41271  Carex heteroneura var. heteroneura J. D. Jokerst 1984-7-23 2112 Sierra Several miles east of Sierra City, ca. 200 feet north of Haypress Creek. 1767 Comment
  CHSC66825  Carex heteroneura var. heteroneura Vernon H. Oswald; Lowell Ahart 1996-8-19 8206 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. 2225 Comment
  SEINET11635252  Carex heteroneura var. heteroneura L. P. Janeway 1989-1 3540 Sierra Plumas National Forest, Beckwourth Ranger Dist., NE slopes between Haskell Pk & hwy 89/Sulphur Cr 2164 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
  CHSC73448  Carex jonesii B. Castro; L. Gehrung, H. Durio 1995-9-14 655 Sierra Mt. Fillmore Mdws: Mdw 3. Ca 0.6 air mi SW of the top of Mt. Fillmore, and ca 0.5 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. Series of 4 meadows on NW-facing midslope terrace of mtn, feeding Pearson Ravine via springs and cascades. In northernmost sedge meadow. 2109 Comment
  UC55267  Carex jonesii H. M. Hall and E. B. Babcock July, 1903 4519 Sierra Yuba Pass Sierra Nevada Mountains 1981 Comment
  CHSC37201  Carex lemmonii L. Ahart 1982-7-28 3725 Sierra Along dirt road n of the Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  SEINET10467095  Carex lemmonii Lowell Ahart 1991-7-22 Ahart 6686 Sierra In French Meadow, near a small branch of Pass Creek, about 1/4 mile south of Henness Pass Road, about 3 miles northwest of Webber Lake. Mountain Meadow in Red Fir Forest. T19N R7E NW/S24. 2134 Comment
  CHSC108081  Carex lenticularis var. impressa Lowell Ahart 2011-9-23 17706 Sierra Growing around small cobbles on the south side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake. 2015 Comment
  JEPS118435  Carex lenticularis var. impressa Lowell Ahart 2011-9-23 17706 Sierra Growing around small cobbles on the south side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2015 Comment
  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
  CAS-BOT-BC28473  Carex lenticularis var. lipocarpa L. P. Janeway 1984-8-25 1071 Sierra At Snag Lake. Sierra City NW quad. 2026 Comment
  CHSC46040  Carex luzulifolia L. P. Janeway 1984-7-29 953 Sierra Near F.S. road 28 (21N11) ca 3 1/2 mi from Gold Lake. 2225 Comment
  CHSC112511  Carex mariposana L. P. Janeway 2014-6-23 11406 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Gove Creek, just north of Pine Grove Cemetery, 1.3 air-km west-northwest of Howland Flat. 1646 Comment
  HSC97033  Carex multicaulis L. Ahart 2006-6-28 12892 Sierra 3/4 mi. E of Lake Delahunty, 2 mi. NE of Gibsonville 1784 Comment
  JEPS110253  Carex multicaulis Lowell Ahart 2006-6-28 12892 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1784 Comment
  CAS-BOT-BC32044  Carex multicaulis Lemmon 1882-1-1 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC21231  Carex multicostata Gordon H. True 1967-7-31 3669 Sierra Verdi Peak Road about .5 mile below summit. 2499 Comment
  UC55220  Carex nebrascensis H. M. Hall and E. B. Babcock 1903-7-1 4475 Sierra Sierra Valley Sierra Nevada Mountains 1524 Comment
  CAS-BOT-BC119883  Carex nebrascensis Catherine Best 1982-7-11 733 Sierra In the meadow at the Yuba Summit near Hwy 49. 2042 Comment
  SEINET10927965  Carex nebrascensis Lowell Ahart 2001-8-10 Ahart 9069 Sierra T18N, R17E, northwest 1/4 Section 31. On the east side of Hobart Mills Road, about 100 feet west of the power pole, about 1 mile (air) south of Stampede Reservoir. 1798 Comment
  CAS-BOT-BC119708  Carex nervina Gordon H. True 1971-9-7 7032 Sierra Stringer on slope W of large meadow in Cold Stream Canyon ca 3.5 mi S of Perazzo meadows. 2377 Comment
  CHSC105694  Carex nervina Lowell Ahart 2010-9-15 17180 Sierra East stream edge and east of the second pond, about 100 yards north of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC105828  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
  JEPS117601  Carex nervina Lowell Ahart 2010-9-15 17180 Sierra East stream edge and east of the second pond, about 100 yards north of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  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
  CAS-BOT-BC119583  Carex nudata Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  SEINET10712108  Carex pachystachya Lawrence P. Janeway 1989-8-11 Janeway 3579 Sierra Sierra City NE Quad. T21N, R13E, SE1/4 of sec. 20. NE flank of Haskell Peak and 3.4 mi NW of Chapman Saddle. Red fir forest. Moist mossy N-facing slope above creek meadow strip. 2134 Comment
  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
  CHSC108472  Carex raynoldsii Lowell Ahart 2011-9-23 17695 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
  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
  CHSC105827  Carex rossii Lowell Ahart 2010-8-3 17031 Sierra On a poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  CHSC53543  Carex rossii L. P. Janeway 1984-7-29 950 Sierra Ridgetop/saddle near Rd 28 (21N11) ca 3 1/2 mi from Gold Lake. 2225 Comment
  CAS-BOT-BC118210  Carex rossii L. P. Janeway 1984-8-3 968 Sierra Sierra City SE quad, Sierra Nevada crest N of Sierra Buttes and W of Packer Lake. 2164 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
  UCSC000110  Carex rostrata Unknown unknown s.n. Sierra Sierra Valley Comment
  SD130920  Carex scopulorum Gordon H. True 1971-9-7 7033 Sierra Sierra Nevada Mountains; stringer on slope west of large meadow in Cold Stream Canyon; ca. 3.5 miles south of Perazzo meadows. 2377 Comment
  SJSU12210  Carex scopulorum var. bracteosa N. A. Hopkins 1984-9-4 1257 Sierra border of Coburn Lake c. 4 mi SSW of Yube Pass 2255 Comment
  CHSC77252  Carex simulata G. Schoolcraft 1996-6-26 2526 Sierra Long Valley Creek near Halleluja Junction. 1524 Comment
  UC1776713  Carex simulata G. Schoolcraft 1996-6-26 2526 Sierra Long Valley Creek near Halleluja Junction 1524 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
  CAS-BOT-BC117105  Carex spectabilis Lewis Samuel Rose 1934-7-7 34346 Sierra Mountain meadow ridge SW of Gold Lake. 2103 Comment
  SEINET7575743 Image available Carex spectabilis Lewis S. Rose 1934-7-7 34346 Sierra Ridge SW of Gold Lake. 2103 Comment
  CAS-BOT-BC117345  Carex stipata Mrs. J. G. Lemmon 1875-9-1 s.n. Sierra Sierra Velley. Comment
  CAS-BOT-BC116985  Carex straminiformis Elmer Ivan Applegate 1925-9-7 3350 Sierra Gold Lake. 1981 Comment
  CAS-BOT-BC116987  Carex straminiformis John Thomas Howell; Gordon H. True 1970-7-14 5511 Sierra At Verdi Peak Lookout, Verdi Range. 2560 Comment
  CHSC73475  Carex straminiformis B. Castro; L. Gehrung, H. Durio 1995-9-14 654 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 via springs and cascades. In westernmost 100-ft diam. seepy, semi-shaded meadow, near tiny stream. 2087 Comment
  CAS-BOT-BC115874  Carex subfusca James D. Jokerst 1985-7-22 2528 Sierra Carman Creek, Calpine Quad 901 Comment
  CHSC37234  Carex subfusca L. Ahart 1982-7-28 3723 Sierra Along edge of dirt rd n of the Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CAS-BOT-BC115864  Carex subfusca H. M. Hall; E. B. Babcock 1903-7-1 4497 Sierra Gold Lake 1950 Comment
  UC835167  Carex utriculata Lewis S. Rose 1934-7-3 34325 Sierra Gold Lake 1950 Comment
  CHSC45321  Carex vesicaria L. P. Janeway 1984-8-25 1060 Sierra At Snag Lake. 2026 Comment
  CAS-BOT-BC115157  Carex vesicaria 1929-7-20 s.n. Sierra In shallow ponds in pine woods of Salmon Lakes. 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
  CAS-BOT-BC115161  Carex vesicaria Lewis Samuel Rose 1934-7-6 34327 Sierra Swamp at W end of Gold Lake. 1950 Comment
  CAS-BOT-BC114820  Carex whitneyi Gordon H. True 1971-9-7 7046 Sierra Mt. Lola Trail, Cold Stream Canyon. 2316 Comment
  JEPS125690  Castanea dentata William Harnach 2013-4-25 1323 Sierra Cal Ida campground, 12 miles West of Downieville, CA Comment
  SEINET12288734  Castilleja J. G. Lemmon 1874-1 158 Sierra Sierra Co. &c Comment
  UCR270413  Castilleja applegatei John F. Emmel 2000-6-10 1656 Sierra Eastern Sierra Nevada Mountains, Dog Creek Canyon 1707 Comment
  SJSU12219  Castilleja applegatei N. A. Hopkins 1982-6-19 1054 Sierra 1 mi S of Calpine 1524 Comment
  CHSC115186  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-5-9 20167 Sierra On the north side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  CHSC43535  Castilleja applegatei subsp. pinetorum Lowell Ahart 1979-7-15 1960 Sierra About 1 mile east of Mount Etna, south-east of Stafford Mountain. 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
  CAS-BOT-BC243735  Castilleja applegatei var. pinetorum Gordon H. True 1967-7-31 3671 Sierra Verdi Peak Road about 1/2 mile below summit 2499 Comment
  CAS-BOT-BC243737  Castilleja applegatei var. pinetorum Ella Dales Cantelow 1938-7-2 2375 Sierra 2 mi. E. of Downieville Comment
  JEPS16361  Castilleja arachnoidea John Gill Lemmon Sierra Gold Lake 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
  CHSC85746  Castilleja lacera G. F. Hrusa; E. Sandoval 1993-5-30 11156 Sierra Sierra Valley region. On summit 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
  JEPS16406  Castilleja lemmonii John G. Lemmon Aug 1874 Sierra Sierra Valley Comment
  CAS-BOT-BC254089  Castilleja miniata H. Albert Barker 1926-7-3 20 b Sierra Packer Lake Creek 1981 Comment
  SEINET14141858  Castilleja miniata W. Harnach, N. Harnach 1990-6-30 444 Sierra Yuba Pass. 2042 Comment
  CAS-BOT-BC254094  Castilleja miniata Lewis S. Rose 1934-7-19 34388 Sierra Meadow, Gold Lake 1950 Comment
  UCD122972  Castilleja miniata N. Hopkins 1983-9-1 1174 Sierra ca. 0.25 mi W of Packer Lake. Comment
  SBBG36121  Castilleja miniata subsp. miniata K. K. Muller 1963-8-15 1232 Sierra 5 mi S of Gold Lake Comment
  UCR257842  Castilleja miniata subsp. miniata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19503 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  UCSB27072  Castilleja miniata subsp. miniata 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
  RSA136825  Castilleja nana Arthur R. Kruckeberg 1954-8-2 3688 Sierra Just 0.5 mi. w of Sierra Buttes lookout. Tahoe National Forest 2439 Comment
  CAS-BOT-BC241047  Castilleja pilosa Alice Eastwood 1918-6-29 7812 a Sierra Loyalton Comment
  CHSC67302  Castilleja pilosa James D. Jokerst 1990-7-27 3202 Sierra Balls Ranch Surveys for Jones and Stokes. Forest E of crest of Bald Mtn. Range, ca. 300 m below the crest. 2484 Comment
  JEPS127458  Castilleja pilosa Steve Matson 2003-5-26 785 Sierra nSNH; Sierra Valley; junction Westside Road and Calpine Road. Comment
  JEPS77526  Castilleja pilosa L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-20 4896 a Sierra about 3 air mi ne Calpine (along road s of Beckwourth); Sierra Valley 1463 Comment
  CHSC43924  Castilleja tenuis L. P. Janeway 1984-8-18 1007 Sierra Meadow near second swithback (towards southeast) down from Packers Saddle. 1981 Comment
  CHSC61799  Castilleja tenuis Lowell Ahart 1993-9-24 7261 Sierra On the south side of Pearson Ravine, about 1/10 mile south of the dirt road from Gibsonville to Jonesville, at the very base and on the north side of Mount Fillmore. 1981 Comment
  JEPS103761  Castilleja tenuis D. H. Wilken 1998-6-25 15610 Sierra Beckwourth-Calpine Rd, flats south of Carman Creek, ca. 3 linear km NE of Calpine, Sierre Valley 1520 Comment
  SEINET14173747  Castilleja tenuis M. J. Williams 1983-8-7 83- 134 -2 Sierra Between Sardine Valley and Jammer Puncher Chair Flat. 1981 Comment
  UCR242996  Castilleja tenuis 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
  CHSC78264  Ceanothus arcuatus Lowell Ahart 2000-6-15 8476 Sierra On the east bank of Mountain House Road, about 1 mile south of the intersection of Mountain House Road and Henness Pass Road, about 1 mile (air) northwest of Forest, about 2 miles (air) northwest of Alleghany. 1463 Comment
  JEPS98282  Ceanothus arcuatus Lowell Ahart 2000-6-15 8477 Sierra W side and below Mountain House Road, 1 mi S of int. of Mountain House Rd and Henness Pass Rd, 1 air mi NW of Forest, 2 air mi NW of Alleghany 1463 Comment
  CAS-BOT-BC48638  Ceanothus cordulatus W. R. Dudley 1894-8-1 s.n. Sierra Near Webber Lake Comment
  CAS-BOT-BC48643  Ceanothus cordulatus W. R. Dudley 1893-6-11 s.n. Sierra Truckee Comment
  CHSC37642  Ceanothus cordulatus T. B. Devine 1981-8-15 740 Sierra Along Gold Lakes Road, ca. 4 mi N of Sand Pond. 2026 Comment
  RSA758805  Ceanothus cordulatus D. H. Wilken, E. L. Painter 2007-6-15 16744 Sierra USFS Road east of Gold Lake Highway, 0.9 linear km east-northeast of outlet of lower Sardine Lake, southeast of Lusk Meadows. 1925 Comment
  SBBG120360  Ceanothus cordulatus D. Wilken with E. Painter 2007-6-15 16744 Sierra USFS Rd, E of Gold Lake Hwy, ca. 0.9 linear km ENE of outlet of lower Sardine Lake, SE of Lusk Meadows 1925 Comment
  SBBG33970  Ceanothus cordulatus L. S. Rose 1969-6-25 69056 Sierra 3 mi N of Bassetts Comment
  SJSU12024  Ceanothus cordulatus N. A. Hopkins 1978-6-7 910 Sierra 1524 Comment
  CAS-BOT-BC64449  Ceanothus diversifolius W. R. Dudley 1893-6-13 s.n. Sierra Star Mine. 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-BC52104  Ceanothus prostratus Ella Dales Cantelow 1938-7-2 2368 Sierra 16 1/2 mi. E. of Sierra City 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-BC53125  Ceanothus prostratus Ted Knowles 1961-5-9 s.n. Sierra 1 mile south of Sierraville 1615 Comment
  CHSC10784  Ceanothus prostratus Lowell Ahart 1969-5-18 Sierra Poverty, 10 miles S.E. of La Porte. 1219 Comment
  SJSU12017  Ceanothus prostratus N. A. Hopkins 1975-6-21 682 Sierra between Dugans Pond & Saxonia L 1889 Comment
  UCD112645  Ceanothus prostratus Beecher Crampton 1954-5-10 1856 Sierra Sierra County, east slope Yuba Pass, 3 miles west of Sattley, along highway 49. Comment
  UCR551  Ceanothus prostratus Frank C. Vasek 1955-6-26 254 Sierra Sierra Nevada Mountains, along Hwy 89, 10 miles north of Truckee 1860 Comment
  SEINET11201677  Ceanothus prostratus A. Bruner 1962-5-9 s.n. Sierra Southwest Dog Valley 1829 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
  SEINET5339384  Ceanothus prostratus B. D. Hildebrand 1946-6-15 H- 61 Sierra In fruit, vicinity of Calpine. 1585 Comment
  SEINET5339394  Ceanothus velutinus P. A. Lehenbauer 1937-6-8 89 Sierra 25 miles west of Reno, Nevada, on Truckee river at Iceland, south side of river by falls. 1676 Comment
  CAS-BOT-BC63198  Ceanothus velutinus var. velutinus John Thomas Howell; Gordon H. True 1970-7-14 5529 Sierra At Verdi Peak Lookout, Verdi Range. 2560 Comment
  SEINET5343484 Image available Centaurea cyanus M. J. Williams, A. Tiehm 1974-1 74 -A-1 Sierra N end of Hwy. 89 1615 Comment
  SEINET7286299  Cercocarpus ledifolius var. intermontanus K. E. Bradshaw 1942-5-20 408 Sierra 3 miles sw of Purdy, old Trosi Ranch 1737 Comment
  CAS-BOT-BC148509  Cercocarpus ledifolius var. ledifolius W. R. Dudley 1909-8-27 s.n. Sierra Roacky moraine, Sierra Valley Comment
  CAS-BOT-BC276752  Chaenactis douglasii var. douglasii Catherine Best 1981-6-17 s.n. Sierra Highway 89, 12 miles N of Truckee Comment
  CHSC41397  Chaenactis douglasii var. douglasii Lowell Ahart 1986-7-1 5333 Sierra 1/4 mile east of Johnsville Road, about 1/2 mile east of Lake Delahunty, about 8 miles north-east of La Porte. 1828 Comment
  CHSC44999  Chaenactis douglasii var. douglasii Lowell Ahart 1979-7-15 1967 Sierra Ridge, on the north side of Mount Fillmore, about 12 air miles north-east of La Porte. 1828 Comment
  UCR18717  Chaenactis douglasii var. douglasii Frank C. Vasek 1975-7-10 750710- 07 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
  UCSB16001  Chamaesaracha nana Breedlove, Dennis 1962-6-13 Sierra Along State Highway 89, 10.0 miles south of Sierraville 1950 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
  CAS-BOT-BC68235  Cheilanthes gracillima Alice Eastwood 1918-4-6 s.n. Sierra Downieville Comment
  CAS-BOT-BC68229  Cheilanthes gracillima Lemmon 1880-8-1 s.n. Sierra Webber Lake 2438 Comment
  CAS-BOT-BC68230  Cheilanthes gracillima Lemmon 1880-8-1 s.n. Sierra Webber Lake 2438 Comment
  UC433185  Cheilanthes gracillima J. G. Lemmon 28 Sierra Mts around Webber Lake; Sierra Valley Comment
  CHSC67213  Chenopodium atrovirens James D. Jokerst 1990-7-27 3177 Sierra Balls Ranch Surveys for Jones and Stokes. Summit of Bald Mtn. Range near its center. 2621 Comment
  JEPS88366  Chenopodium atrovirens Vernon H. Oswald and Lowell Ahart 1996-8-19 8212 Sierra Yuba Pass-Weber Lake Rd (Forest Rt 12) 0.6 mi n road to Haypress Valley; northern High Sierra Nevada 2225 Comment
  RSA257019  Chimaphila menziesii Gary D. Wallace, Larry E. DeBuhr, G. Ansley Wallace 1972-5-21 1058 Sierra Just wst of Sierra City along Hwy. 49. Comment
  JEPS37830  Chrysolepis sempervirens W. L. Jepson 1934-8-3 16847 Sierra 2 mi e Bassett sta. (Pioneer road sta.); North Fork Yuba River Comment
  CAS-BOT-BC279820  Chrysothamnus W. R. Dudley 1894-9-2 s.n. Sierra Near Cory's Station, road Truckee to Webber Lake Comment
  POM129330  Chrysothamnus nauseosus subsp. albicaulis Roxana S. Ferris 1926-9-7 6841 Sierra Site of old town of Silver Mountain; Ebbet Pass Road Comment
  UCD130447  Chrysothamnus viscidiflorus L. Allen; A. M. Shapiro 2001-8-1 s.n. Sierra Heriot Road, 4 airline miles NE of Sierraville. 1524 Comment
  UC1136949  Chrysothamnus viscidiflorus subsp. viscidiflorus G. T. Nordstrom 1936-7-24 953 A Sierra 5.5 mi w Purdy; Sierraville Quad. 1889 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
  SBBG129104  Circaea alpina subsp. pacifica G. K. Helmkamp, E. A. Helmkamp 2013-6-5 20761 Sierra CA-49, 1.2 mi N of the Yuba County line 901 Comment
  CDA1032  Cirsium andersonii T. C. Fuller 1959-1 3233 Sierra Hwy 89, about 13.5 mi. south of Sierraville 0 Comment
  CAS-BOT-BC284399  Cirsium arvense T. C. Fuller 1963-8-28 11176 Sierra In roadside ditch and adjacent yard n. of the school, Loyalton Comment
  UC334641  Cirsium occidentale var. candidissimum unknown Sierra Sierra Valley Comment
  SD102791  Cirsium scariosum Darley Howe 1978-7-16 Sierra On state highway 89, 12.3 miles north of Truckee. 1920 Comment
  CDA1559  Cirsium scariosum var. americanum P. Arnaud 1958-8-2 s.n. Sierra Webber Lake. Comment
  CAS-BOT-BC438975  Cistanthe monosperma Lowell Ahart 1989-8-16 6381 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir 1706 Comment
  CAS-BOT-BC162606  Clarkia W. Harnach; N. Harnach 1990-6-10 359 Sierra Sierra Valley, Balderson Ranch, Angelope Valley 1645 Comment
  CAS-BOT-BC163180  Clarkia lassenensis Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  SEINET4145447  Clarkia lassenensis W. Harnach, N. Harnach 1990-6-10 358 Sierra Sierra Valley, Balderson Ranch (Antelope Valley) 1646 Comment
  CAS-BOT-BC163181  Clarkia lassenensis W. Harnach; N. Harnach 1989-6-21 159 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  SEINET12189198  Clarkia lassenensis J. G. Lemmon 1874-1 s.n. Sierra Comment
  CAS-BOT-BC164841  Clarkia rhomboidea Catherine Best 1981-6-19 s.n. Sierra Herringtons, Sierra City Comment
  CHSC94180  Clarkia rhomboidea Lowell Ahart 2006-6-21 12798 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany. 849 Comment
  SJSU6473  Claytonia lanceolata N. A. Hopkins 1971-6-25 416 Sierra 0.25 mi NE of Packer L outlet 1889 Comment
  RSA0080496  Claytonia lanceolata H. A. Barker 1927-6-22 720 Sierra Gold Lake. 1954 Comment
  JEPS124078  Claytonia parviflora subsp. parviflora Lowell Ahart 2015-5-9 20189 Sierra About 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 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
  UCR249144  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20762 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CHSC54565  Collinsia parviflora Lowell Ahart 1991-7-22 6698 Sierra French Meadow, about 1/4 miles south of Nennesse Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  SEINET13394341  Collinsia parviflora W. Harnach, N. Harnach 1990-6-30 437 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  SEINET13395237  Collinsia parviflora K. R. Genz 1979-5-23 9115 Sierra Mitchell Canyon Road, 2.3 miles S of Long Valley Road and the NF boundary. 1817 Comment
  SEINET13396264  Collinsia parviflora S. B. Doten 1901-6-1 65 Sierra N of Webber Lake. Comment
  SEINET13405537  Collinsia parviflora S. B. Doten, R. E. L. 1901-6-1 644 Sierra N of Webber Lake. Comment
  JEPS3080  Collinsia parviflora J. G. Lemmon 1874-1 Sierra Comment
  UCD123638  Collinsia parviflora N. Hopkins 1973-6-22 564 Sierra Packer 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
  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
  CAS-BOT-BC229541  Collomia diversifolia Lowell Ahart 1982-7-28 3708 Sierra 1/8 mile N of the Pacific Mine, about 5 miles E of La Porte 1700 Comment
Read comments
Sep 20 2018
  SJSU13886  Collomia grandiflora N. A. Hopkins 1986-7-15 1356 Sierra by County Rd A23 on W side of Sierra Valley 1508 Comment
  SEINET12329962  Collomia heterophylla F. H. Utech 1986-1 86 -082 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  SJSU9764  Collomia heterophylla C. W. Sharsmith 1982-6-1 8685 Sierra gravels of old roadway by Sierra City 1280 Comment
  SBBG120351  Collomia tinctoria D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16753 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 Comment
  SJSU4988  Collomia tinctoria N. A. Hopkins 1968-6-30 149 Sierra 0.25 mi N of Packer L 1859 Comment
  SDSU16149  Collomia tinctoria D. F. Howe 1964-7-28 3889 Sierra 8.5 miles south of Gold Lake Lodge, Tahoe National Forest. 1829 Comment
  CAS-BOT-BC157356  Comarum palustre L. S. Smith 1926-8-10 1996 Sierra Tahoe National Forest. Gold Lake along Str. in Mdw. west end 1981 Comment
  JEPS121062 Image available Convolvulus arvensis Dixie Funnell 1965-6-29 40 Sierra 1/2 mile from Goodyear's Bar on highway 49 going towards Downieville. Comment
  JEPS124866 Image available Convolvulus arvensis J. Yamanaka 1965-6-29 31 Sierra 1/2 m. E of Goodyear Bar. Downieville. Hwy 49. Comment
  JEPS124899 Image available Convolvulus malacophyllus S. Whipple 1967-6-30 025 Sierra Intersection of road to Goodyear's Bar and Hwy. 49. Steep bank of North Fork at Yuba River. Comment
  CAS-BOT-BC286038  Conyza canadensis John Thomas Howell 1951-8-21 28261 Sierra East side of Yuba Pass 1828 Comment
  SEINET7836914 Image available Conyza canadensis W. Harnach, N. Harnach 1990-8-5 503 Sierra Sierra Valley, 0.5 miles E of Calpine, Kuaffmans (old box mill) 1512 Comment
  SEINET6166291  Corallorhiza maculata P. B. Kennedy, S. B. Doten 1901-7-18 170 Sierra Near Webber Lake Comment
  SDSU10609  Cordylanthus tenuis subsp. tenuis D. F. Howe 1964-7-28 3881 Sierra 5.5 miles S of Gold Lake Lodge, Tahoe National Forest. 1829 Comment
  SEINET13682453  Cordylanthus tenuis subsp. tenuis W. Harnach, N. Harnach 1994-8-12 826 Sierra Sierra Valley, ca 0.75 mile W of Calpine Reservoir on logging road. 1640 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
  SEINET8083583  Cornus nuttallii D. A. Buck 1959-5-2 25 Sierra Along Highway 49 one mile north of Sierraville 1280 Comment
  SEINET12137023  Cornus occidentalis J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  CAS-BOT-BC212152  Cornus sericea H. Albert Barker July 3 49 Sierra Packer Lake Comment
  SJSU8791  Cornus sericea M. D. Fleschner 1965-6-28 Sierra Union Flat on Hwy 49 c. 4 mi E of Downieville 1158 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
  CAS-BOT-BC210525  Cornus sessilis John Thomas Howell 1951-8-21 28282 Sierra N. Fork Yuba River below Downieville 914 Comment
  POM132553  Cornus sessilis Alice Eastwood 1918-4-6 6781 Sierra Downieville Comment
  UC875929  Cornus sessilis Alice Eastwood 1918-4-6 6781 Sierra Downieville Comment
  JEPS125679  Corydalis caseana William Harnach 2008-7-11 1343 Sierra 1 mile East of Bassetts Station at SFSU Sierra Nevada Field Campus. 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-BC290470  Crepis acuminata Leland S. Smith 1926-5-1 s.n. Sierra Tahoe National Forest, English Dam Comment
  CAS-BOT-BC290471  Crepis acuminata Gordon H. True 1965-6-30 2123 Sierra Truckee River near Mystic R.R. Bridge just west of Sierra County line 1554 Comment
  UCD130925  Crepis bakeri Grady L. Webster 1990-5-13 7728 Sierra Sierra Valley, 0.5 mile west of Sierraville. 1508 Comment
  CAS-BOT-BC290504  Crepis bakeri subsp. bakeri G. L. Stebbins, Jr.; J. A. Jenkins 1937-5-23 2160 Sierra Near headwaters of Dark Canyon, between Loyalton and Purdy 1900 Comment
  UC346515  Crepis bakeri subsp. bakeri E. B. Babcock 1928-6-12 133 Sierra nr. and s of Newman Pt. (along road <from> Sierraville to Loyalton); Sierra Valley Comment
  UC346500  Crepis intermedia E. B. Babcock 1928-6-13 146 Sierra below trail from Lemmon Canyon to Sardine Pk. lookout; Tahoe Nat. For. 2072 Comment
  CAS-BOT-BC291567  Crepis intermedia G. L. Stebbins, Jr.; E. B. Babcock 1936-6-5 1720 Sierra Western slope of east side of Smithneck Creek 5 miles south of Loyalton 1524 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
  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
  UC313838  Crepis modocensis L. S. Smith 1927-5-30 Sierra e Sierraville (w and sw slopes); Sierra Valley Comment
  UC346552  Crepis modocensis subsp. subacaulis E. B. Babcock and M. Navashin 1928-6-12 165 Sierra about 6 mi nw Truckee (on rd. to Hobart Mills) 1767 Comment
  UC313839  Crepis occidentalis L. S. Smith 1927-5-30 Sierra e Sierraville; Sierra Valley Comment
  CAS-BOT-BC290790  Crepis occidentalis subsp. occidentalis Alice Eastwood 1918-6-29 7848 Sierra Loyalton Comment
  UC581288  Crepis occidentalis subsp. occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1663 Sierra w side of valley 1/2 mi n Carmen Creek (e-facing slope); Sierra Valley Comment
  UC346544  Crepis occidentalis subsp. occidentalis E. B. Babcock and M. Navashin 1928-6-22 171 Sierra road from Sierraville to Loyalton (slope below, lower down than 169 and 170); Sierra Valley, Newman Pt. Comment
  CAS-BOT-BC494137  Crepis occidentalis subsp. pumila William Harnach 2002-5-29 1070 Sierra Sierra Valley. Newman Point (Rice on the maps) approx. 5 mi NE of Sierraville on Hwy 49 1531 Comment
  UC346520  Crepis occidentalis subsp. pumila E. B. Babcock 1928-6-12 129 Sierra Newman Point Sierra Valley (along road from Sierraville to Loyalton) Comment
  SEINET12514853  Cryptantha affinis W. Harnach, N. Harnach 1990-6-6 342 Sierra Sierra Valley, 0.5 miles S of Stately, Martinetti Ranch. 1518 Comment
  UC1586500  Cryptantha affinis Lowell Ahart 1991-7-22 6691 Sierra 3 mi nw Webber Lake (about 0.1 mi s of Henness Pass Road); French Meadow 2133 Comment
  GMDRC3244  Cryptantha torreyana R. B. Kelley 2009-6-2 1717 Sierra Sierra Nevada: Sierra Nevada: along Dog Valley Rd, 11.2 mi. W. of Nev. state line, Verdi Range 39 deg. 31.841' N 120 deg. 1.149' W. Elev. 5410 ft. 1649 Comment
  UCR257725  Cryptantha torreyana George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19431 Sierra Northern Sierra Nevada Mountains, along Hwy CA-89, c. 8 miles north of the Nevada County line 1823 Comment
  NY1111494  Cryptantha virginensis J. G. Lemmon 1874-1 165 Sierra Comment
  CHSC61910  Cryptogramma acrostichoides Lowell Ahart 1993-9-24 7241 Sierra On the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CHSC73397  Cryptogramma acrostichoides B. Castro; L. Gehrung, H. Durio 1995-9-14 620 Sierra Ca 0.7 air mi SW of the top of Mt. Fillmore, and ca 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. 1962 Comment
  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
  UC433194  Cryptogramma acrostichoides J. G. Lemmon 48 Sierra notably at Webber Lake Webber Lake; High Sierra Comment
  RSA685629  Cryptogramma acrostichoides Robert Gustafson 1987-6-10 3482 a Sierra Gold lake, along dirt road leading to lake. 1951 Comment
  CDA9332  Cryptogramma crispa D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .295 Sierra Above Sardine Lake on road to Sierra Butte. Comment
  CAS-BOT-BC215950  Cuscuta californica Lowell Ahart 1982-7-28 3703 Sierra 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 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
  CAS-BOT-BC215949  Cuscuta californica M. Lavin; M. Christian 1982-9-23 4347 Sierra Salmon Lake north of teh Sierra Buttes, 13 mi. 225 deg. from Portola, N. Sierra Nevada 1981 Comment
  SEINET8655895  Cuscuta californica var. californica W. Harnach 2012-7-31 1278 Sierra South east side of Lincoln Valley, approx 0.4 miles from Forest Road 12 (Webber Lake Road from Yuba Pass on Hwy 49) on Road 1214. 2261 Comment
  SJSU12267  Cuscuta occidentalis N. A. Hopkins 1984-6-21 1214 Sierra c. 0.25 mi E of Robinson Cow Camp 2011 Comment
  CHSC69181  Cuscuta subinclusa Vernon Oswald; Lowell Ahart 1997-8-19 8832 Sierra County Rd. 309 on Pliocene Ridge, ca. 3 airmi northeast of Alleghany, 0.1 mi southwest of Henness Pass Road (County Rd. 302). 1706 Comment
  UC1553396  Cusickiella douglasii G. Schoolcraft 1988-5-16 1799 Sierra in Dog Valley e Guard Station; Dog Valley e of Guard Station 1767 Comment
  UC1446108  Cycladenia humilis var. humilis Lowell Ahart 1979-7-15 Sierra ca. 1 mi. e. Mt. Etna (s.e. of Stafford Mt., along La Porte-Johnsville rd.) 1800 Comment
  CHSC52494  Cymopterus terebinthinus var. californicus L. P. Janeway 1984-8-5 970 Sierra Ridgetop just south of Packer Saddle. 2148 Comment
  JEPS82073  Cymopterus terebinthinus var. californicus Paul C. Hutchison and Rimo Bacigalupi 1982-8-9 8444 Sierra 12 mi (by logging road) N of Downieville (Saddleback Mountain, bottom of road to lookout just W of the summit) 1798 Comment
  UCD20392  Cynoglossum officinale A. M. Shapiro 2002-7-23 s. n. Sierra Sierra County, near mouth of Rice Canyon, banks of Cold Stream, approx. 6100 ft. elev. 1859 Comment
  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
  CHSC115215  Cystopteris fragilis Lowell Ahart 2015-5-9 20156 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 miles west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  CAS-BOT-BC70702  Cystopteris fragilis Lemmon s.n. Sierra Webber Lake Comment
  SEINET10830272  Cystopteris fragilis John G. Lemmon 1872-1 Lemmon s.n. Sierra Sierra, notably near Webber Lake. Comment
  SEINET6629011  Cystopteris fragilis S. B. Doten 1901-7-5 100 Sierra Webber Lake, near falls Comment
  JEPS125666  Cytisus scoparius William Harnach 2013-4-25 1320 Sierra 1.6 miles West of Goodyears Bar on Highway 49 and North of the Ramshorn campground. Comment
  UC965632  Damasonium californicum Herbert L. Mason 1952-7-17 14375 Sierra between Sierraville and Loyalton; Sierra Nevada, Sierra Valley 1524 Comment
  SEINET11676400  Danthonia californica J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. 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
  JEPS122439  Danthonia californica var. americana L. P. Janeway 2014-6-17 11393 Sierra Northern High Sierra Nevada. Plumas National Forest; on the old mining tailings of Poverty Hill, between Gold Run Creek and Slate Creek. Quad: American House 7.5'. Comment
  JEPS103185  Danthonia californica var. californica G. Schoolcraft 2000-6-25 2908 A Sierra Knuthson Meadow W of Sierra Valley 1524 Comment
  UCD60517  Danthonia californica var. californica G. Schoolcraft 2000-6-25 2908 A Sierra Knuthson Meadow, W of Sierra Valley. 1524 Comment
  CAS-BOT-BC194419  Danthonia intermedia Catherine Best 1981-6-17 s.n. Sierra Along Hwy 89 12 miles north of Truckee - Sierra Nevada Comment
  CHSC44561  Danthonia unispicata Lowell Ahart 1975-6-28 817 Sierra About 2 miles east of Gibsonville, about 6 miles north-east of La Porte. 1981 Comment
  UC593528  Danthonia unispicata E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1669 Sierra 1/2 mi n Carmen Creek (w side of valley); Sierra Valley Comment
  UCD161462  Darlingtonia californica Barry Rice 2013-7-7 BR 130704 Sierra a botanically rich site crossing Marvin Ranch Road. 1355 Comment
  CAS-BOT-BC173282  Delphinium W. Harnach; N. Harnach 1991-7-14 633 Sierra Sierra Valley. Coburn Lake, approx 1/4 below outlet to lake 2280 Comment
  CAS-BOT-BC1421  Delphinium andersonii John Thomas Howell; Gordon H. True 1970-7-14 5548 Sierra Verdi Peak Road, ca. 1 mile below Lookout 2499 Comment
  SEINET8686899  Delphinium andersonii W. Harnach, N. Harnach 1989-5-21 112 Sierra Sierra Valley, 1 mile E of Calpine, Calpine Ranch (home). 1506 Comment
  UCD38327  Delphinium andersonii Beecher Crampton 1954-5-10 1860 Sierra 1.5 miles north of Sattley. Along Hwy. 89. Comment
  CAS-BOT-BC1419  Delphinium andersonii L. S. Smith 1927-5-30 2059 Sierra Sierra Valley east of Nichols, Tahoe National Forest 1828 Comment
  CAS-BOT-BC8929  Delphinium depauperatum V. Ziemba 1981-5-16 032 Sierra 14 mi. north on Rte. 49 from San Francisco St. camp. Comment
  CHSC92088  Delphinium glaucum Lowell Ahart 2005-8-30 12342 Sierra On the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2032 Comment
  SEINET8688538  Delphinium glaucum P. B. Kennedy, S. B. Doten 1901-7-24 228 Sierra Lincoln Valley. Comment
  CAS-BOT-BC8861  Delphinium glaucum Horace Albert Barker 1926-7-4 50 Sierra Packera Lake Creek 1953 Comment
  CAS-BOT-BC8785  Delphinium gracilentum f. versicolor Lowell Ahart 1969-5-18 s.n. Sierra Scales, 10 miles southeast of La Porte. 1219 Comment
  CAS-BOT-BC9878  Delphinium nudicaule D. E. Breedlove 1962-6-13 3483 Sierra Along state highway 89, 9.3 miles north of Sierraville 1524 Comment
  CAS-BOT-BC116536  Delphinium nuttallianum J. Penalosa 1962-6-20 2508 Sierra Little Truckee River at Highway 89 1905 Comment
  SEINET8663556  Delphinium nuttallianum W. Harnach, N. Harnach 1991-7-14 633 Sierra Sierra Valley, Coburn Lake, ca 0.25 mile below outlet to lake. 2280 Comment
  UCR230941  Delphinium nuttallianum George K. Helmkamp, E. A. Helmkamp 2011-6-9 17555 Sierra Northern Sierra Nevada Mountains Foothills, 7.1 miles north of Camptonville along CA-49, about 2.5 miles north of the Yuba Co. line 808 Comment
  CAS-BOT-BC116146  Delphinium nuttallianum D. E. Breedlove 1962-6-13 3484 Sierra Along State Hwy. 89, 9.3 miles north of Sierraville. 1524 Comment
  CAS-BOT-BC116152  Delphinium nuttallianum Mrs. H. C. Cantelow 1941-5-17 S.N. Sierra 1.2 miles south of Sierraville Hy. #89, Comment
  RSA98638  Delphinium nuttallianum Beecher Crampton 1954-5-10 1860 Sierra Hwy 89, 1 mile N of Sattley. 1555 Comment
  SEINET8688795  Delphinium nuttallianum P. B. Kennedy, S. B. Doten 1901-7-8 132 Sierra [Sierra Nevada] near Webber Lake. Comment
  JEPS102692  Deschampsia cespitosa subsp. cespitosa Lowell Ahart 2001-8-10 9090 Sierra About 100 feet SE of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  JEPS107582  Deschampsia cespitosa subsp. cespitosa Lowell Ahart 2005-8-30 12348 Sierra On a sand bar, 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
  JEPS75575  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1934-8-3 16842 Sierra Pioneer rd. sta. 2 mi. e. of Bassett sta.; N. Fork Yuba R. 1706 Comment
  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
  SEINET13384117 Image available Deschampsia cespitosa subsp. cespitosa George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-1 19447 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
  SEINET13709607  Deschampsia cespitosa subsp. cespitosa Lowell William Ahart, Lowell William Ahart 2001-1 9090 Sierra Near Diversion Dam across Little Truckee River, Near Fiberboard Rd. (Fsr 18), 5 Air Mi. E of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft. 1920 Comment
  UC1131428  Deschampsia danthonioides G. T. Nordstrom 1934-6-28 159 Sierra 1 1/2 mi. w. Bickford Dairy; Tahoe Nat'l Forest, Truckee Quad. Comment
  UCD61875  Deschampsia danthonioides Adeline Frederick 1925-6-23 Sierra About Downieville, Slug Canon. Comment
  CAS-BOT-BC201927  Deschampsia elongata Gordon H. True 1971-9-7 7054 Sierra Mt. Lola Trail in Cold Stream Canyon 2286 Comment
  CHSC37200  Deschampsia elongata L. Ahart 1982-7-28 3724 Sierra Along dirt road n of the Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  SEINET4567131  Deschampsia elongata P. B. Kennedy, S. B. Doten 1901-7-23 214 Sierra Lincoln Valley Comment
  CAS-BOT-BC40915  Descurainia incana W. Harnach; N. Harnach 1990-6-30 435 Sierra Sierra Valley. Yuba Pass. 2042 Comment
  CAS-BOT-BC43042  Descurainia incisa subsp. incisa Javier Penalosa 1962-6-20 2530 Sierra Little Truckee River at Highway 89. 1905 Comment
  SEINET11244811  Descurainia incisa var. viscosa W. Harnach, N. Harnach 1990-6-30 435 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  CAS-BOT-BC402470  Dicentra formosa subsp. formosa Eva Kennedy 1909-1-1 31 Sierra Downieville Comment
  CAS-BOT-BC402471  Dicentra formosa subsp. formosa Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  CAS-BOT-BC402465  Dicentra formosa subsp. formosa T. C. Fuller 1962-6-14 9021 Sierra N. of Hwy 49 to Downieville, 4.9 mi. w. of Sierra City Comment
  CAS-BOT-BC402467  Dicentra formosa subsp. formosa Jean L. Pawek 1956-5-22 61 Sierra Highway 49 1219 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
  CAS-BOT-BC501071  Dichelostemma multiflorum Mrs. E. C. Sutliffe 1920-6-1 s.n. Sierra Unspecified Comment
  SJSU14027  Dieteria canescens var. canescens N. A. Hopkins 1988-8-9 1454 Sierra Highway 49, about midway between Sattley & Sierraville, Sierra Valley 1505 Comment
  JEPS125773  Digitalis purpurea William Harnach 2015-6-3 1421 Sierra 1.25 miles north of the Sierra-Yuba county line on Highway 49. Comment
  CAS-BOT-BC150567  Diplacus grandiflorus Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  CAS-BOT-BC150570  Diplacus grandiflorus B. Carlson 1981-5-17 038 Sierra State Hwy 49 1 mi. N. of Downieville 609 Comment
  CAS-BOT-BC150571  Diplacus grandiflorus Leah McKee 1981-5-17 050 Sierra East side of [Downeyville] Downieville 914 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
  CHSC115258  Diplacus kelloggii Lowell Ahart 2015-5-9 20164 Sierra 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
  SEINET8370225  Diplacus kelloggii Christine C. Lorain 1992-4-15 2220 Sierra just E of Fiddle Creek Campground along Hwy 49 (near the N Yuba River): Tahoe National Forest. Comment
  CAS-BOT-BC151864  Diplacus mephiticus Lowell Ahart 1978-6-4 s.n. Sierra 1 mile south of Alleghany - Sierra Nevada 1300 Comment
  CAS-BOT-BC151866  Diplacus mephiticus D. E. Breedlove 1962-6-13 3528 Sierra Along the Little Truckee River, 10.0 miles south of Sierraville on State Highway 89 - Sierra Nevada 1950 Comment
  CHSC43490  Diplacus mephiticus Lowell Ahart 1978-6-4 1756 Sierra Along the edge of the Foote Road, about 1 mile south of Alleghany. 1219 Comment
  SJSU12235  Diplacus mephiticus N. A. Hopkins 1982-7-24 1094 Sierra by rd to Babbitt Peak, Bald Mt Range 2651 Comment
  SEINET14188677  Diplacus nanus W. Harnach, N. Harnach 1990-5-28 331 Sierra Sierra Valley, Antelope Valley, Balderson Ranch. 1554 Comment
  CAS-BOT-BC154012  Diplacus torreyi Ella Dales Cantelow 1938-7-2 2370 Sierra 2 mi. E. of Downieville Comment
  UCD64575  Distichlis spicata Beecher Crampton 1957-7-24 4424 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  CAS-BOT-BC136082  Dodecatheon alpinum R. K. Gierisch; D. H. Esplin 1969-6-25 3500 Sierra Tahoe Forest, Anderson Mdw. 1950 Comment
  CHSC43306  Dodecatheon alpinum Lowell Ahart 1977-7-15 1470 Sierra About 12 miles northeast of La Porte, on the north side of Mt. Fillmore, along a small stream in a small mountain meadow. 2133 Comment
  SEINET8553007  Dodecatheon alpinum W. Harnach 1989-5-13 085 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (Elvers). 1518 Comment
  UC66405  Dodecatheon alpinum P. B. Kennedy and S. B. Doten 1901-7-11 150 Sierra creek below Webber Lake; creek below Webber Lake Comment
  UC177325  Downingia bacigalupii J. G. Lemmon Sierra Comment
  SJSU3183  Downingia bicornuta R. L. Fisher 1958-6-16 Sierra Sierraville, Sierra Valley 1493 Comment
  JEPS14496  Downingia bicornuta var. bicornuta W. L. Jepson 1918-8-17 8038 Sierra Sierra Valley 1524 Comment
  JEPS5054  Downingia bicornuta var. bicornuta Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4275 Sierra just 1 mi e Calpine; Sierra Valley 1493 Comment
  SJSU12011  Downingia elegans N. A. Hopkins 1976-6-22 839 Sierra c. 0.5 mi NE of Sattley, Sierra Valley 1493 Comment
  SJSU4143  Draba verna C. W. Sharsmith & W. Savage 1967-5-21 7535 Sierra 2.5 mi NE of Sierraville, Sierra Valley 1524 Comment
  UCD78301  Draba verna A. M. Shapiro 2009-3-18 s. n. Sierra 1 mile NNE of Sierraville. 1524 Comment
  UC1728669  Draperia systyla Richard Olmstead 1986-6-14 847 Sierra 6.6 mi. from Yuba Co. line, 6.6 mi from junction Marysville Rd. (Yuba Co. E20) and highway 49 (North Yuba Ranger Station) 929 Comment
  JEPS124580 Image available Draperia systyla Peter Schultz 1967-6-30 33 Sierra Union Flat Campground. Comment
  SEINET12347232  Draperia systyla F. H. Utech 1990-6-5 90 -877 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-BC401529  Drosera rotundifolia Kasper Pischel 1927-8-1 s.n. Sierra Salmon Lake 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
  CAS-BOT-BC527345  Drymocallis glandulosa var. reflexa David D. Keck 1944-7-8 5402 Sierra 3 miles NE of Sierra City on North Fork fo North Fork of Yuba River near mouth of Sardine Creek 1584 Comment
  CAS-BOT-BC159276  Drymocallis lactea var. lactea Robert S. Keller 1974-6-15 1484 Sierra Chapman Creek Campground, about 7 miles NE of Sierra City on Highway 49 - Sierra Nevada 1767 Comment
  CHSC115172  Dudleya cymosa subsp. cymosa Lowell Ahart 2015-5-9 20168 Sierra On the north side of the Canyon Creek Trail, trail on the north side of the North Fork of the Yuba River, about 300 yards west of Highway 49, about one mile west of Indian Valley. 692 Comment
  UCR206328  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2009-5-28 14862 Sierra Sierra Nevada Mountains Foothills, above the Yuba River along CA-49, 2.3 miles north of the Yuba Co. line 851 Comment
  RSA246610  Dulichium arundinaceum Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42360 Sierra Plumas National Forest: Near pond N of Goose Lake. 2058 Comment
  UCD40241  Dysphania pumilio Rodney Gale Myatt 1972-6-1 1581 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  UC1101542  Elatine brachysperma Herbert L. Mason 1952-7-17 14386 Sierra 1.5 mi e Calpine (at junstion of Calpine and Sierraville-Beckwourth Rd); Sierra Valley Comment
  UC965524  Elatine californica Herbert L. Mason 1952-7-19 14447 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth Rd); Sierra Nevada, Sierra Valley Comment
  UC1112286  Elatine chilensis Herbert L. Mason 1952-8-17 14494 Sierra 0.4 mi s Little Truckee River Bridge; Sierra Nevada; S of Little Truckee River Bridge, Sierra Co. 1920 Comment
  CHSC78284  Eleocharis acicularis Lowell Ahart 2000-7-9 8562 Sierra Open meadow area south of the snow lake, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak, about 7 1/2 miles (air) northeast of La Porte. 1828 Comment
  CHSC81416  Eleocharis acicularis Lowell Ahart 2001-9-28 9301 Sierra Around the drying ponds on the bottom of the Poverty Hill Hydraulic gold mine, north of Poverty Hill (town), about 4 miles (air) south of La Porte. 1524 Comment
  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
  CHSC81418  Eleocharis engelmannii Lowell Ahart 2001-9-28 9302 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
  JEPS102511  Eleocharis engelmannii Lowell Ahart 2001-9-28 9302 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
  CAS-BOT-BC494102  Eleocharis macrostachya William Harnach 2002-6-10 1077 Sierra Sierra Valley. Approx. 2 mi E of Calpine; 1.5 mi N of the intersection of Calpine Rd and Co. Rd. A-23 1493 Comment
  UCD84198  Eleocharis macrostachya 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-BC494123  Eleocharis macrostachya W. Harnach; N. Harnach 2000-8-23 983 Sierra Sierra Valley. 1.5 mi W of Sierraville, on Hwy 49. Strong Pond 1505 Comment
  JEPS113957  Eleocharis macrostachya W. and N. Harnach 2000-8-23 983 Sierra Sierra Valley 1.5 miles west of Sierraville, CA on Highway 49. Comment
  UC1256281  Eleocharis quinqueflora R. K. Gierisch and D. H. Esplin 1969-6-26 3478 Sierra Secret Meadow Tahoe National Forest 1981 Comment
  CHSC80981  Eleocharis suksdorfiana Lowell Ahart 2001-8-8 9068 Sierra In a large mountain meadow, Haypress Valley, 100 yards south of Yuba Pass Webber Lake Road (Forest Road 12), about 1/2 miles northwest of Church Camp, about 4 miles (air) northwest of Webber Lake. 2133 Comment
  JEPS98303  Eleocharis suksdorfiana Lowell Ahart 2000-7-13 8588 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
  JEPS102370  Elodea canadensis Lowell Ahart 2001-8-10 9085 Sierra about 5 air miles E of Webber Lake (diversion dam on Little Truckee River, about 100 yds S of Fiberboard Road (Forest Road 18), about 1/8 mi N of Henness Pass Road) 1920 Comment
  CAS-BOT-BC231516  Elymus Ayzik Solomeshch 2009-6-8 s.n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  JEPS48465  Elymus L. S. Smith 1928-6-12 2336 Sierra above Hennis Pass Road; Tahoe <National> Forest 1981 Comment
  SEINET12745750  Elymus glaucus var. glaucus W. Harnach, N. Harnach 1992-7-4 701 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch, up Barry Creek. 1524 Comment
  UCR257901  Elymus glaucus var. glaucus George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19437 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
  SEINET10554748  Elymus trachycaulus Lowell Ahart 1991-7-22 Ahart 6692 Sierra French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. Uncommon. Mountain Meadow in Red Fir Forest. 2134 Comment
  CAS-BOT-BC213504  Elymus trachycaulus subsp. trachycaulus Catherine Best 1981-6-17 s.n. Sierra Hwy 89, 12 mi. North of Truckee - Sierra Nevada Comment
  UCR257741  Epilobium George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19459 Sierra Northern Sierra Nevada Mountains, Henness Pass Road, 1.1 mile east of its junction with CA-89 at the north end of Kyburz Flat 1907 Comment
  JEPS43876  Epilobium anagallidifolium L. S. Smith 1928-1 2436 Sierra summit Tahoe <National> Forest, Yuba Pass 2042 Comment
  SJSU11951  Epilobium brachycarpum N. A. Hopkins 1971-6-14 379 Sierra Sierra Valley Airfield 1 mi SE of Sierraville, Sierra Valley Comment
  UC1122346  Epilobium campestre H. S. Yates 1935-6-28 5269 Sierra 5 1/4 mi nne Sattley; Sierraville Quadrangle Comment
  UC570216  Epilobium campestre H. S. Yates 1935-6-28 5269 Sierra 5 mi ne Sattley; Sieraville Quadrangle 5269 1219 Comment
  UCD84193  Epilobium campestre 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-BC171810  Epilobium canum subsp. latifolium Elmer I. Applegate 1921-9-6 3347 Sierra Gold Lake, northern Sierra County 1981 Comment
  CAS-BOT-BC171811  Epilobium canum subsp. latifolium Elmer I. Applegate 1921-9-8 3385 Sierra Near Sierra City Comment
  JEPS94401  Epilobium canum subsp. latifolium Vernon Oswald and Lowell Ahart 1997-8-19 8833 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
  POM272049  Epilobium canum subsp. latifolium J. W. Morrison s.n. Sierra Loyalton, Sierra Nevada mountain range, Sierra Valley drainage 1524 Comment
  JEPS78687  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1934-8-3 16823 Sierra 2 mi e Bassett road station; North Fork Yuba River, Pioneer road station 1706 Comment
  CDA17270  Epilobium densiflorum G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16297 Sierra Sierra Nevada; Sierra Valley: Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. 1645 Comment
  JEPS102574  Epilobium densiflorum Lowell Ahart 2001-8-10 9082 Sierra On the west side of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  UCD106295  Epilobium densiflorum N. Hopkins 1981-6-30 185 Sierra County Unknown. Comment
  CAS-BOT-BC494129  Epilobium glaberrimum var. glaberrimum W. Harnach; N. Harnach 2000-6-17 918 Sierra Sierra Valley. Intersection of Hwy 49 and Lemmon Canyon Road, Sierraville 1509 Comment
  UC1586483  Epilobium hallianum Lowell Ahart 1991-7-22 6697 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  POM204027  Epilobium hallianum L. S. Rose 1934-7-2 34302 Sierra Gold Lake. 1951 Comment
  SEINET12861793  Epilobium hallianum P. B. Kennedy, S. B. Doten 1901-7-5 91 Sierra [Sierra Nevada] spring near Webber Lake 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
  JEPS108803  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
  SEINET8665853  Epilobium minutum W. Harnach 2013-5-1 1325 Sierra 1.6 miles west of Goodyears Bar on Hwy 49 and north of the Ramshorn campground. 929 Comment
  SEINET12194530  Epilobium minutum F. H. Utech 1986-1 86 -066 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  SEINET12424531  Epilobium oregonense W. Harnach, N. Harnach 1990-6-30 428 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  JEPS124731 Image available Epipactis gigantea Rechen 1964-7-1 97 Sierra Growth north of Hw. Comment
  CAS-BOT-BC57035  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
  CAS-BOT-BC57849  Equisetum laevigatum Alice Eastwood 1918-6-29 7863 Sierra Loyalton. Comment
  POM137472  Eremocarpus setiger Geo D. Butler 1910-7-28 1794 Sierra Near Yreka Comment
  POM86484  Eremocarpus setiger Geo D. Butler 1910-7-28 1794 Sierra Near Yreka Comment
  CAS-BOT-BC174160  Eremogone aculeata Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  SEINET5336668  Eremogone aculeata S. B. Doten, Patrick Beveridge Kennedy 1901-7-12 158 Sierra [Sierra Nevada] Webber Lake, below falls Comment
  CAS-BOT-BC481936  Eremogone congesta var. subcongesta W. Harnach; N. Harnach 1991-6-24 583 Sierra Antelope Valley, Sierra Valley 1707 Comment
  CAS-BOT-BC174309  Eremogone congesta var. suffrutescens Elmer I. Applegate 1921-9-7 3354 Sierra Gold Lake 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
  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
  CAS-BOT-BC286691  Ericameria bloomeri L. P. Janeway; Garrett Gibson 1991-9-8 4141 Sierra Plumas National Forest, Beckwourth Ranger District. 1 1/2 mi east of Mills Peak, above Mohawk Valley 1905 Comment
  CHSC61780  Ericameria bloomeri Lowell Ahart 1993-9-10 7220 Sierra Ridge on the west side of Mount Fillmore, about 1 1/2 miles south of the dirt road from Gibsonville to Johnsville. 2346 Comment
  UCD22390  Ericameria bloomeri Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1305 Sierra Sierra Valley Orientation turn-out along Hwy 49, 6-7 mile rd mi W of Sierraville. 1828 Comment
  CHSC44870  Ericameria cuneata Lowell Ahart 1973-10-9 274 Sierra Cliffs, a dangerous place overlooking the Middle Fork of the Yuba River, about 2 air miles west of Milton Dam. 2042 Comment
  CAS-BOT-BC292792  Ericameria cuneata var. cuneata Mrs. E. C. Sutliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  UC337216  Ericameria cuneata var. cuneata unknown Sierra Downieville Buttes Comment
  CAS-BOT-BC298126  Ericameria nauseosa var. oreophila George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  UCD22394  Ericameria nauseosa var. oreophila Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1316 Sierra Sierra Countyl: Along Hwy 49 NE of the town of Sierraville, ca. 2 road miles from town. Roadside. 1524 Comment
  CAS-BOT-BC299460  Ericameria nauseosa var. speciosa Roxana S. Ferris 1926-9-7 6841 Sierra Ebbett Pass Road, site of old town of Silver Mountain Comment
  CAS-BOT-BC299461  Ericameria nauseosa var. speciosa John Thomas Howell 1951-8-21 28238 Sierra Sierra - Plumas Co. line on road from Blairsden to Calpine, Sierra Nevada 1524 Comment
  CHSC32057  Ericameria nauseosa var. speciosa L. Ahart 1973-10-26 282 Sierra Near Camptonville. 1219 Comment
  JEPS117162  Ericameria nauseosa var. speciosa Lowell Ahart, John Dittes 2010-10-5 17300 Sierra On the east side of Antelope Valley road, about 100 yards south of Highway 49, 3.6 miles (air) west of Loyalton, 6.8 miles (air) northeast of Sierraville 1498 Comment
  JEPS94407  Ericameria nauseosa var. speciosa Vernon Oswald and Lowell Ahart 1997-8-19 8824 .1 Sierra 6.3 mi s of Goodyears Bar (Mountain House Road (County Road 300) just s of its junction with Henness Pass Road (County Road 293)); Mountain House Road 1389 Comment
  UC1119839  Ericameria nauseosa var. speciosa A. Lewis 1934-7-25 5600 Sierra Howland Flat Plumas National Forest, Downieville Quad. 1706 Comment
  UCD22402  Ericameria nauseosa var. speciosa Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1334 Sierra Sierra Valley. Along Heriot Road. 1493 Comment
  CAS-BOT-BC293018  Ericameria parryi var. nevadensis W. R. Dudley 1909-8-29 s.n. Sierra Sierra Valley Comment
  UCD131548  Ericameria parryi var. nevadensis K. M. Meyer; A. Townesmith 2007-7-15 117 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  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
  UCD159858  Erigeron G. Ledyard Stebbins 1970-7-25 7077 Sierra Northwest ridge of Mount Fillmore in serpentine belt. (Exact location unknown. Coordinates estimated by label maker.) 1950 Comment
  JEPS41414  Erigeron aphanactis var. aphanactis J. G. Lemmon Sierra Sierra Valley Comment
  SEINET11839653  Erigeron bloomeri J. G. Lemmon 1874-1 106 Sierra Sierra Co. &c Comment
  CHSC67464  Erigeron bloomeri var. bloomeri James D. Jokerst 1989-7-14 3140 Sierra Dog Valley, W and adjacent to main road in Dog Valley, due W of outflow of Dog Creek from Dog Canyon. 1737 Comment
  UC579477  Erigeron bloomeri var. bloomeri E. Sawyer 1935-6-28 253 Sierra 1 1/2 mi se Sattley; Sierraville Quadrangle 1493 Comment
  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
  UCD131754  Erigeron concinnus var. concinnus A. A. Heller; P. B. Kennedy 1907-7-1 8664 Sierra Purdy. Comment
  UCD63695  Erigeron coulteri Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Sierra Forest City. Granite Mountain. Tahoe National Forest. Banner Mine Road to Harris Meadows. 1820 Comment
  CAS-BOT-BC297210  Erigeron coulteri H. Albert Barker 1926-7-1 16 Sierra South of Sierraville on road to Truckee 1828 Comment
  SEINET8667680 Image available Erigeron eatonii K. R. Genz 1979-5-23 9112 Sierra Turning south at forest boundary and Long Valley Road, travel Mitchell Canyon Road for 2.3 miles Comment
  SEINET8667236 Image available Erigeron eatonii var. plantagineus W. Harnach, N. Harnach 1989-5-18 095 Sierra Sierra Valley. 0.75 miles E of Calpine, Calpine Ranch (home) 1506 Comment
  CHSC44848  Erigeron glacialis var. glacialis Lowell Ahart 1975-8-17 939 Sierra Near Pass Creek, in French Meadows, about 3 air miles west and 1/2 mile south of Webber Lake. 2133 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
  CAS-BOT-BC300854  Erigeron glacialis var. glacialis Charlotte Pyle 1978-8-1 s.n. Sierra Sierra Buttes Comment
  CAS-BOT-BC295148  Erigeron inornatus Margaret Williams 1972-8-27 s.n. Sierra Merrill Valley just north of Stampede Dam 2011 Comment
  SJSU14318  Erigeron inornatus N. A. Hopkins 1989-8-6 1569 Sierra on Deadmans Peak 1981 Comment
  JEPS41429  Erigeron inornatus var. inornatus W. L. Jepson 1934-8-4 16851 Sierra Pioneer road sta., 2 mi. e Barrett sta.; Yuba River, North Fork Comment
  CAS-BOT-BC300113  Erigeron pumilus var. intermedius Gordon H. True; Barbara Trowbridge 1977-7-25 8362 Sierra Independence Lake Watershed, Sierra-Nevada County. Stampede Reservoir, ca. 6 miles north of Boca on Little Truckee River, north of Nevada County line 1802 Comment
  SEINET8687533 Image available Erigeron pumilus var. intermedius A. A. Heller, P. B. Kennedy 1907-7-1 8664 Sierra Purdy Comment
  CAS-BOT-BC300265  Erigeron reductus var. reductus Lowell Ahart 1975-8-17 s.n. Sierra 3 miles W and 1/2 mile S of Webber Lake Comment
  SEINET5708556 Image available Erigeron reductus var. reductus Lowell E. Urbatsch, D. Clark 1974-1 1513 Sierra Along trail above Sardine Lake, 0.8 mi W of rd to Gold Lake, 13.3 mi W of jct of 49 & 89.; Sardine Lake 1951 Comment
  CAS-BOT-BC216035  Eriodictyon californicum Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  CAS-BOT-BC256173  Eriogonum douglasii var. meridionale D. E. Breedlove 1962-6-13 3509 Sierra 1.5 miles north of Sierraville on State Highway 89 1524 Comment
  CHSC57301  Eriogonum lobbii L. P. Janeway 1984-8-11 976 Sierra Northwest of Sierra Buttes. 2316 Comment
  SJSU13941  Eriogonum lobbii N. A. Hopkins 1986-7-13 1355 Sierra lower summit of Dead Mans Peak, W of Yuba Pass 2255 Comment
  SEINET10680039  Eriogonum lobbii var. lobbii Karen M. Meyer, Andrew Townesmith 2007-7-17 Meyer 130 Sierra Tahoe National Forest. 1.0 mi. up road toward Lake of the Woods, off road 07. 2191 Comment
  UC77402  Eriogonum lobbii var. lobbii J. G. Lemmon 1875-1 257 Sierra Comment
  HSC93430  Eriogonum marifolium Vernon H. Oswald, L. Ahart 1996-8-19 8201 Sierra Yuba Pass-Weber Lake Rd., 1.2 mi. S of the rd. to Lincoln Valley 2348 Comment
  SBBG1546  Eriogonum marifolium H. and M. Dearing 1939-7-4 3826 Sierra Gold Lake Comment
  SEINET527222  Eriogonum marifolium Paul Opler 2004-6-22 Sierra Tahoe National Forest: Lincoln Meadow, west slope of east moraine. 4 miles S of yuba Pass summit. Comment
  CAS-BOT-BC267383  Eriogonum marifolium var. marifolium D. E. Breedlove 1962-6-13 3536 Sierra On bank of Little Truckee River, 11.3 miles south of Sierraville on State Highway 89; Sierra Nevada 1905 Comment
  CHSC109874  Eriogonum marifolium var. marifolium L. P. Janeway; B. Castro 2012-6-16 10875 Sierra Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1885 Comment
  CHSC45847  Eriogonum marifolium var. marifolium Lowell Ahart 1977-8-2 1520 Sierra On the ridge on the west side of Mount Fillmore, near the summit, about 12 miles north-east of la Porte. 2194 Comment
  HSC95494  Eriogonum microthecum var. laxiflorum James D. Jokerst 1989-7-14 3141 Sierra 1.25 mi. SW of Balls Ranch on knob W of dirt rd. 2043 Comment
  CAS-BOT-BC260785  Eriogonum nudum var. deductum Lewis S. Rose 1934-7-5 34320 Sierra Gold Lake Comment
  CAS-BOT-BC260787  Eriogonum nudum var. deductum Gordon H. True 1971-9-7 7047 Sierra On Mt. Lola Trail, Cold Stream Canyon 2316 Comment
  CHSC73975  Eriogonum nudum var. deductum B. Castro; M. A. Griggs 1997-7-10 754 Sierra Bunker Hill Ridge, on SW-facing slope E of Duck Soup Pond, approaching the ridge crest, along Pacific Crest Trail. 2103 Comment
  UC1032207  Eriogonum nudum var. deductum G. T. Nordstrom 1934-6-28 159 Sierra 1 1/4 mi w Bickford Dairy; Tahoe National Forest, Truckee Quadrangle Comment
  SEINET8655747  Eriogonum nudum var. nudum W. Harnach 2014-6-14 1390 Sierra Townsite of Calpine, behind 208 Coates Ave. 1524 Comment
  CAS-BOT-BC261612  Eriogonum nudum var. nudum Lowell Ahart 1983-10-27 4490 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadows Res., about 1 mile south of Pass Creek, near Jackson Meadows Res. 2200 Comment
  SEINET5331123  Eriogonum nudum var. nudum K. Burnstad 1974-9-14 6500 Sierra Nelson Creek, Pumus Nat. Forest. 1981 Comment
  SJSU11988  Eriogonum nudum var. nudum N. A. Hopkins 1975-7-24 695 Sierra by Hwy 49 at Goodyear Cr 822 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
  CHSC67122  Eriogonum rosense var. rosense James D. Jokerst 1990-7-27 3167 Sierra On northwest-facing slope immediately below the summit of an unnamed peak at the north end of the Bald Mountain Range. 2621 Comment
  SEINET13276738 Image available Eriogonum spergulinum George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-1 19461 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
  CHSC47684  Eriogonum spergulinum var. reddingianum Lowell Ahart 1989-8-16 6375 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir. 1706 Comment
  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
  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
  POM203463  Eriogonum spergulinum var. reddingianum L. S. Rose 1934-7-4 34317 Sierra Gold Lake. Rocky slopes. 1951 Comment
  SJSU11986  Eriogonum spergulinum var. reddingianum N. A. Hopkins 1973-6-22 557 Sierra 0.25 E of Packer L 1889 Comment
  UC585247  Eriogonum strictum var. anserinum E. B. Babcock, G. L. Stebbins Jr. 1936-6-5 1707 Sierra about 3 1/2 mi ne Sierraville (on road to Loyalton, Newman Point, se edge of Sierra Valley); Sierra Valley, Newman Point 1600 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
  UC570174  Eriogonum strictum var. proliferum E. Sawyer 1935-6-28 256 Sierra 1.5 mi sse Sattley; Sierraville Quadrangle 1493 Comment
  SEINET524386  Eriogonum umbellatum Paul A. Opler 2003-6-29 Sierra 1 mi. E of Calpine. Comment
  SEINET530707  Eriogonum umbellatum var. furcosum Paul Opler Sierra Mountain House Rd. 1398 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
  CHSC45852  Eriogonum umbellatum var. modocense Lowell Ahart 1974-9-6 621 Sierra Near the dirt road below the Big Rocks, near Mount Etna, about 12 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC262090  Eriogonum umbellatum var. nevadense H. Albert Barker 1926-7-8 78 b Sierra Gold Lake Ridge - summit Comment
  CAS-BOT-BC262091  Eriogonum umbellatum var. nevadense D. E. Breedlove 1962-6-13 3535 Sierra On bank of Little Truckee River, 11.3 miles south of Sierraville on State Highway 89; Sierra Nevada 1905 Comment
  SEINET3412089 Image available Eriogonum umbellatum var. nevadense S. B. Doten, P. B. Kennedy 1901-7-12 154 Sierra Webber Lake Comment
  SEINET5341984  Eriogonum umbellatum var. nevadense R. R. Halse 2010-8-26 8092 Sierra Along State Hwy 49 ca. 7.6 miles west of Loyalton or ca. 5 miles north of Sierraville. 1508 Comment
  UC1032278  Eriogonum umbellatum var. nevadense G. T. Nordstrom 1936-7-9 911 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle 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
  SEINET10970705  Eriogonum umbellatum var. nevadense Mary Susan Taylor 1982-7-19 Taylor 4883 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
  CHSC69187  Eriogonum umbellatum var. polyanthum Vernon Oswald; Lowell Ahart 1997-8-19 8820 Sierra Mountain House Rd. (County Rd. 300) 1.3 mi south of Goodyears Bar. On a roadcut. 899 Comment
  CHSC69189  Eriogonum umbellatum var. polyanthum Vernon Oswald; Lowell Ahart 1997-8-19 8825 Sierra Mountain House Rd. (County Rd. 300) 1.3 mi south of its junction with Henness Pass Rd. (Sierra Co. 293), 7.6 mi south of Goodyears Bar. 1402 Comment
  JEPS56180  Eriogonum umbellatum var. polyanthum J. G. Lemmon Sep 1 1872-Jan 1 1883 Sierra Sierra Valley Comment
  JEPS95117  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
  UC77784  Eriogonum umbellatum var. torreyanum J. G. Lemmon 1875-1 238 Sierra Comment
  CAS-BOT-BC262286  Eriogonum ursinum G. L. Stebbins 1970-7-25 7074 Sierra Northwest ridge of Mount Fillmore 1950 Comment
  CAS-BOT-BC262293  Eriogonum ursinum Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  JEPS108829  Eriogonum ursinum Lowell Ahart 2006-6-28 12884 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
  CHSC94172  Eriogonum ursinum var. ursinum Lowell Ahart 2006-6-21 12836 Sierra About 30 yards east of the road, about 2 1/2 miles (by road) west of Forest. 1397 Comment
  SEINET530714  Eriogonum ursinum var. ursinum Paul Opler 2007-6-29 Sierra Tahoe National Forest, Sierra Buttes trail, above Packer Saddle. Comment
  UCD101314  Eriogonum ursinum var. ursinum A. H. Frederids 1925-6-29 s.n. Sierra Downieville, Sierra Nevada Mountains. 1066 Comment
  CHSC41115  Eriogonum vimineum J. D. Jokerst 1985-7-22 2544 Sierra Sierra Valley in small triangle of undisturbed land NW of and adjacent to junction of Westside Rd and Calpine Rd. 1493 Comment
  SEINET5332092  Eriogonum vimineum I. LaRivers 1969-7-27 s.n. Sierra Verdi. Comment
  SEINET8655744  Eriogonum vimineum W. Harnach 2012-10-7 1295 Sierra Alvin Powers picnic grounds, 5.0 miles south of Hwy 49 on Smithneck Road, Loyalton 1663 Comment
  UCR263558  Eriogonum vimineum Vernon H. Oswald, Lowell Ahart 1996-8-19 8238 Sierra Northern High Sierra Nevada Mountains, south side of Little Truckee Bridge on the road to Independence Lake [Henness Pass Road], just south of Forest Route 07 and c. 1 mile west of Hwy 89 1951 Comment
  JEPS56131  Eriogonum vimineum J. G. Lemmon 1872-1 416 Sierra Sierra Valley Comment
  JEPS19988  Eriophorum gracile W. L. Jepson 1909-8-2 16809 Sierra 2 mi. e. Bassett Station (Pioneer Rd. Station); N. Fork Yuba R., Pioneer Rd. Station 1706 Comment
  SJSU12132  Eriophyllum lanatum N. A. Hopkins 1975-7-24 716 Sierra near Alleghaney 1219 Comment
  UCR206560  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2009-5-28 14845 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.6 miles north of the Yuba County line 902 Comment
  LA83351  Eriophyllum lanatum var. grandiflorum O. H. Kappler; 1946-7-20 1339 Sierra N Fork, Yuba River 822 Comment
  CAS-BOT-BC308275  Eriophyllum lanatum var. integrifolium L. Constance 1933-7-5 113 Sierra 10 mi. e. of Sierraville 1981 Comment
  SJSU13907  Eriophyllum lanatum var. integrifolium N. A. Hopkins 1986-6-30 1342 Sierra bald ridge 2158 Comment
  JEPS34740  Eriophyllum lanatum var. lanceolatum W. L. Jepson 1934-7-30 16773 Sierra between Weed Pt. (Nevada Co.) and North Fork Yuba bridge (Sierra Co.) Comment
  SEINET8673916  Eryngium alismifolium Unknown 1958-7-14 5009 Sierra along Heriot Lane, 3 miles from its junction with Highway 49, Sierra Valley 1372 Comment
  SEINET12010004  Erysimum capitatum F. H. Utech 1990-6-5 90 -886 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  CHSC115170  Erysimum capitatum var. capitatum Lowell Ahart 2015-9-9 20165 Sierra On the north side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the northside 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. Comment
  SJSU12072  Erythranthe breweri N. A. Hopkins 1973-6-22 567 Sierra by NW side of Packer L 1898 Comment
  SEINET14291764  Erythranthe guttata B. Hildebrand 1946-6-25 H- 65 Sierra 2 miles W of Calpine. 1524 Comment
  SEINET14293905  Erythranthe guttata W. Harnach, N. Harnach 2013-4-6 1304 Sierra Sierra Valley, on Hwy 49, 1.6 miles W of Goodyears Bar, N of the Ramshorn campground. 890 Comment
  CHSC43489  Erythranthe nasuta Lowell Ahart 1978-6-4 1758 Sierra Along the edge of the Foote Road, about 4 miles south of Alleghany. 1219 Comment
  CHSC89493  Erythranthe primuloides G. Douglas Barbe; T. C. Fuller 1973-6-19 1620 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
  SJSU12056  Erythranthe tilingii N. A. Hopkins 1972-6-17 467 Sierra by stream issuing from Packer L 1920 Comment
  CAS-BOT-BC502722  Erythronium grandiflorum L. S. Smith 1939-6-8 1757 Sierra Rebel Ridge Range, Tahoe National Forest 701 Comment
  CHSC10783  Erythronium purpurascens Lowell Ahart 1969-5-18 Sierra Vicinity of Sierra and Yuba County line. Poverty, 10 miles S. E. of La Porte. 1219 Comment
  SEINET5339930  Eschscholzia californica I. LaRivers 1960-6-22 s.n. Sierra Verdi Comment
  CAS-BOT-BC304415  Eucephalus breweri J. C. Semple; B. A. Suripto; T. Ahmed 1990-8-13 9319 Sierra Yuba Pass Rd (For.Rd-12) S of CA-49, SE of Berry Creek Comment
  CAS-BOT-BC310399  Eucephalus breweri Carl B. Wolf 1937-8-6 9064 Sierra Northern Sierra Nevada, 1/2 mi. NE. of Gold Lake 1920 Comment
  CHSC92055  Eucephalus breweri Lowell Ahart 2005-8-30 12354 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
  JEPS117436  Eucephalus breweri Lowell Ahart 2010-9-15 17161 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
  SCFS1137  Eucephalus breweri F. Felix 2015-1 Sierra Sagehen Forest Project, south demo plot Comment
  UC1557889  Eucephalus breweri J. Semple, S. Heard 1986-8-13 8404 Sierra w of, (CA-49, campground) Yuba Pass 1737 Comment
  UC1609030  Eucephalus breweri Lowell Ahart 1993-9-24 7251 Sierra about 3/4 mi s dirt road from Gibsonville to Johnsville (n side of mt.); Mount Fillmore 2133 Comment
  CAS-BOT-BC310552  Eurybia integrifolia Elmer I. Applegate 1921-9-7 3365 Sierra Gold Lake Comment
  CHSC40978  Eurybia integrifolia James D. Jokerst 1984-7-23 2110 Sierra Several miles east of Sierra City, ca 200 feet north of Haypress Creek. 1767 Comment
  CHSC92038  Eurybia integrifolia Lowell Ahart 2005-8-30 12359 Sierra East of Pass Creek, about 100 yards southeast of the falls on Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2073 Comment
  JEPS88151  Eurybia integrifolia Vernon H. Oswald and Lowell Ahart 1996-8-19 8183 Sierra junction of Hwy 49 and Forest Rt. 12 (Yuba Pass-Weber Lake Rd.); northern High Sierra Nevada, Yuba Pass 2042 Comment
  CAS-BOT-BC310546  Eurybia integrifolia Gordon H. True 1971-9-7 7060 Sierra Mt. Lola Trail in Cold Water Canyon 2103 Comment
  RSA507798  Euthamia occidentalis J. C. Semple, S. Heard 1986-8-13 8412 Sierra CA-49 W of Downieville; at Fiddle Creek Campground Comment
  UCR249644  Festuca californica George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20777 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CAS-BOT-BC278413  Festuca idahoensis Catherine Best 1983-8-29 994 Sierra Growing along Hwy 49 just west of the Yuba Summit 2042 Comment
  CHSC94135  Festuca occidentalis Lowell Ahart 2006-6-21 12815 Sierra On the south side of the Foote Road, about 2.7 miles (by road) southwest of Alleghany. 1103 Comment
  UCD66171  Festuca occidentalis Collector Unknown Date Unknown 5449 Sierra Sierra Valley. Comment
  CAS-BOT-BC278201  Festuca viridula Catherine Best 1982-7-12 746 Sierra Salmon Lake 1981 Comment
  SJSU12256  Festuca viridula N. A. Hopkins 1974-8-5 594 Sierra near Packer Lake 1898 Comment
  SEINET12183464  Floerkea proserpinacoides F. H. Utech 1986-1 86 -069 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  CHSC115184  Fragaria vesca Lowell Ahart 2015-5-9 20170 Sierra On the west 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
  CAS-BOT-BC457010  Fragaria virginiana subsp. platypetala W. Harnach; N. Harnach 1990-5-13 310 Sierra Martinetti Ranch, Sierra Valley 1517 Comment
  CAS-BOT-BC53818  Frangula rubra Rimo Bacigalupi 1927-7-4 1621 Sierra Slopes above north fork of Yuba River, 2 miles west of Yuba Pass 2072 Comment
  UCD82698  Frangula rubra Rodney Gale Myatt 1971-7-3 1551 -b Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  JEPS124788 Image available Frangula rubra Reinhard Jockel 1969-6-27 17 Sierra At side of jeep road between 1st 2nd Sardine Lake. E of Sierra Buttes. Comment
  CAS-BOT-BC59591  Frangula rubra subsp. rubra Nancy Kittle 1981-5-17 070 Sierra Along Rt. 49 between Ramshorn and Indian Valley Campground along the Yuba River 650 Comment
  CAS-BOT-BC59594  Frangula rubra subsp. rubra Carl B. Wolf 1937-8-6 9042 Sierra Northern Sierra Nevada, no. fork of Yuba River, 2 1/2 mi. above Downieville. 975 Comment
  CAS-BOT-BC55792  Frangula rubra subsp. yosemitana John Thomas Howell 1951-8-21 28279 Sierra West side of Yuba Pass 1524 Comment
  SJSU14029  Frasera albicaulis N. A. Hopkins 1988-6-26 1450 Sierra Sierra Valley 1524 Comment
  JEPS29724  Fritillaria atropurpurea Rimo Bacigalupi and L. R. Heckard 1962-5-27 8480 Sierra 2 mi s of Sierraville 1615 Comment
  RSA7944  Fritillaria atropurpurea H. A. Barker 1927-7-6 786 Sierra Gold Lake 1982 Comment
  SEINET8478888  Fritillaria micrantha W. Harnach, N. Harnach 1989-4-30 048 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch. 1498 Comment
  UC197198  Fritillaria pudica C. F. Sonne 1889-4-21 Sierra Sierra Nevada Mountains, Dog Valley Dog Valley; Sierra Nevada Mountains, Dog Valley Comment
  CAS-BOT-BC508131  Fritillaria recurva Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  CHSC63169  Galium aparine Lowell Ahart 1994-7-7 7463 Sierra On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 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
  SJSU11959  Galium bifolium N. A. Hopkins 1973-6-22 562 Sierra near Packer L 1897 Comment
  SEINET12495975  Galium multiflorum var. multiflorum W. Harnach, N. Harnach 1990-6-10 356 Sierra Sierra Valley; W of Loyalton, Balderson Ranch (Antelope Valley) 1652 Comment
  CAS-BOT-BC182239  Garrya fremontii Mrs. E. C. Sutcliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  UC876014  Garrya fremontii Alice Eastwood 1918-4-5 6769 Sierra Downieville Comment
  UCD121125  Garrya fremontii Gerald Dickinson 1963-6-26 39 Sierra 1/4 mile west of Sand Pond. 1783 Comment
  CHSC52940  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1989-8-16 3587 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. 2133 Comment
  JEPS27542  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1896-8-26 14441 Sierra 20 mi w Reno Nevada; Dog Valley 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
  JEPS117253  Gayophytum heterozygum Lowell Ahart 2010-9-15 17163 Sierra Open areas around trees, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  JEPS27496  Gayophytum heterozygum W. L. Jepson 1934-8-2 16802 Sierra 2 mi e Bassett sta.; North Fork Yuba River, Pioneer road sta. 1706 Comment
  POM262913  Gayophytum heterozygum Herbert McLean Evans 1921-07 s.n. Sierra Salmon Lake 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
  SEINET12189477  Gayophytum racemosum J. G. Lemmon 1874-1 83 Sierra Comment
  CDA18384  Gentiana newberryi var. newberryi G. D. Barbe 1978-8-3 2422 Sierra Hwy 89, 2 mi N of Sierra Co. line, W of Little Truckee River (0.6 mi S of the bridge crossing the river). Comment
  JEPS88188  Gentianella amarella subsp. acuta Vernon H. Oswald and Lowell Ahart 1996-8-19 8226 Sierra 0.4 mi s Forest Rt. 15 to Sierraville (Yuba Pass-Weber Lake Rd (Forest Rt 12), n High Sierra Nevada); High Sierra Nevada 2316 Comment
  CHSC59544  Gentianopsis simplex Lowell Ahart 1992-8-6 6915 Sierra North of Black Jack Ravine, about 1 mile south of Granite Mountain, about 1/2 mile west of Harris Meadow. 1676 Comment
  HSC93247  Gentianopsis simplex Vernon H. Oswald, L. Ahart 1996-8-19 8219 Sierra Northern High Sierra Nevada, Yuba Pass-Weber Lake Rd. (Forest Rte. 12), 1.5 mi. S of the road to Haypress Valley 2195 Comment
  CAS-BOT-BC459370  Geum macrophyllum W. Harnach; N. Harnach 1989-6-10 135 Sierra Sierra Valley, Strang Creek on Hwy. 49 1502 Comment
  CAS-BOT-BC459371  Geum macrophyllum Catherine Best 1984-6-19 1027 Sierra Hwy 49 about 2 miles east of Sierra City, Sierra Nevada, California 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
  SD61122  Gilia capitata D. F. Howe 1964-7-27 3875 Sierra 14.3 miles west of Downieville on North Fork of Yuba River, Tahoe National Forest. 762 Comment
  RSA718383  Gilia capitata subsp. mediomontana L. Ahart 2006-6-21 12821 Sierra on the south side of the Foote Road, about 1.3 miles (by road) southwest of Alleghany. 1306 Comment
  HSC16961  Gilia capitata subsp. pedemontana R. Spellenberg 1964-6-14 389 Sierra 3 mi. W of Sierra City on Hwy. 49 Comment
  SJSU11645  Gilia capitata subsp. pedemontana M. R. Kempf 1965-6-29 225 Sierra Hwy 49, 2 mi E of Downieville 822 Comment
  SEINET12278791  Gilia leptalea J. G. Lemmon 1874-1 185 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
  CHSC78241  Githopsis specularioides Lowell Ahart 2000-6-15 8475 Sierra About 200 feet west and below Mountain House Road, about 1 1/8 miles south of the intersection of Mountain House Road and Henness Pass Road, about 1 mile (air) northwest of Forest, about 2 miles (air) northwest of Alleghany. 1463 Comment
  JEPS122442  Glyceria elata L. P. Janeway 2014-8-12 11568 Sierra Northern High Sierra Nevada. Plumas National Forest; tributary to Whiskey Creek (an upper tributary to Slate Creek), 1.0 air-km north-northeast of Lake Delahunty; near crossing of Road 22N01X. Quad: Onion Valley 7.5'. Comment
  JEPS75453  Glyceria elata W. L. Jepson 1934-8-3 Sierra 2 mi e Bassett (Pioneer road station); North Fork Yuba River 1706 Comment
  UCD66842  Glyceria elata A. A. Beetle 1944-8-17 3053 Sierra 5 miles northeast of Sierraville, above north fork of Yuba River. Comment
  CAS-BOT-BC302660  Gnaphalium palustre John Thomas Howell 1955-7-20 30885 Sierra Near Calpine 1508 Comment
  CAS-BOT-BC302661  Gnaphalium palustre Lewis S. Rose 1934-7-4 34318 Sierra Gold Lake 1950 Comment
  CHSC46925  Gnaphalium palustre Lowell Ahart 1983-10-27 4484 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadow Reservoir, about 1 mile south of Pass Creek. 2011 Comment
  CAS-BOT-BC302657  Gnaphalium palustre Lowell Ahart 1983-10-27 4484 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
  UC87908  Grindelia hirsutula T. S. Brandegee Sep 1888 Sierra Verdi Comment
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Aug 21 2007
  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
  CAS-BOT-BC304685  Grindelia squarrosa W. Harnach; N. Harnach 1990-9-24 530 Sierra Sierra Valley. Parlentti Ranch (100 yds so. of gate) 1505 Comment
  CHSC50818  Grindelia squarrosa var. serrulata Vernon Oswald; Lowell Ahart 1990-7-25 4394 Sierra Staverville Rd 1.5 mi west of Hwy 395. Roadside. 1584 Comment
  SEINET8770850 Image available Grindelia squarrosa var. serrulata W. Harnach, N. Harnach 1990-9-24 530 Sierra Sierra Valley. (Sattley, CA added by collector) Parlentti Ranch, 100 yards south of gate. 1506 Comment
  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
  UC333598  Hackelia nervosa unknown Sierra Webber Lake; Sierra Valley Comment
  CHSC73408  Hazardia whitneyi var. whitneyi B. Castro; L. Gehrung, H. Durio 1995-9-14 616 Sierra Ca 0.7 air mi SW of the top of Mt. Fillmore, and ca 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. At W edge of midslope terrace of mtn, on vertical face of cliff. 1962 Comment
  CAS-BOT-BC306730  Helenium bigelovii Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC306731  Helenium bigelovii H. Albert Barker 1926-7-31 160 Sierra Lusk Meadows 2042 Comment
  UCD21014  Helenium bigelovii E. Bortiri 2002-7-4 WFC 62 Sierra Gold Valley, near Sierra Buttes and Packer Lake, Sierra Co. Comment
  SEINET11196750 Image available Helianthella californica P. B. Kennedy, S. B. Doten 1901-7-8 130 Sierra Webber Lake Comment
  UC774946  Helianthella californica subsp. nevadensis Carl B. Wolf 1937-8-6 9063 Sierra 1/2 mi ne Gold Lake; Northern Sierra Nevada 1920 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
  CHSC66798  Helianthella californica var. nevadensis Vernon H. Oswald; Lowell Ahart 1996-8-19 8204 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
  OBI78116  Helianthella californica var. nevadensis Carl B. Wolf 1937-8-6 9063 Sierra Northern Sierra Nevada, 1/2 mi NE of Gold Lake 1920 Comment
  POM203464  Helianthella californica var. nevadensis L. S. Rose 1934-7-15 34366 Sierra Gold Lake 1951 Comment
  SEINET11196859 Image available Helianthus annuus W. Harnach, N. Harnach 1990-9-3 524 Sierra Sierra Valley, 1/2 mi S of Alpers Ranch at turnout on Hwy 49 (approx 1.75 N of Sierraville on Hwy 49 to Loyalton) 1509 Comment
  CAS-BOT-BC305367  Helianthus annuus W. Harnach; N. Harnach 1991-7-24 656 Sierra Sierra Valley. Lemon Canyon road, approx 1 1/2 miles east of Hwy 49 1524 Comment
  CAS-BOT-BC305368  Helianthus annuus W. Harnach; N. Harnach 1989-8-27 249 Sierra Sierra Valley. Strang corrals 1499 Comment
  JEPS95006  Helianthus bolanderi Vernon Oswald and Lowell Ahart 1997-8-19 8837 Sierra 5.3 mi sw of Alleghany (Footes Crossing Road (County Rd 191) on n side of the Middle Fork of Yuba River); Footes Crossing Road, Middle Fork of Yuba River 1066 Comment
  CAS-BOT-BC305562  Helianthus bolanderi Mrs. H. C. Cantelow 1951-7-23 13 Sierra Hwy. 89 between Calpine and Satley [Sattley] Comment
  RSA125608  Helianthus bolanderi E. K. Balls 1957-6-11 22625 Sierra Hgt.. to 3'; grown in Botanic Garden from seed collection Oct. 9 1952, by E.K. Balls and P.C. Everett, 6.7 miles n. of Sierraville, Hwy. 89, 1.9 miles. n. of jct. hwys. 49 & 89; 1280 Comment
  RSA79296  Helianthus bolanderi E. K. Balls, Percy C. Everett 1952-10-9 18125 Sierra Sagebrush Scrub Community, 6.7 mi. n.w. of Sierraville, Hwy 89, 1.9 miles north of jct. with Hwy 49. 1280 Comment
  CHSC44882  Hemizonella minima Lowell Ahart 1977-6-18 1429 Sierra Near Scales, about 1 1/2 miles north-east of Scales. 1280 Comment
  SJSU9814  Hemizonella minima C. W. Sharsmith 1982-5-30 8664 Sierra 2 mi N of Sattley on Sattley-Beckwourth Rd, Sierra Valley 1524 Comment
  UCSB27067  Heracleum maximum Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of california State Highway 49, along road to graeagle, Sierra Buttes Sierra Nevada 1981 Comment
  SEINET12279752  Hesperochiron californicus J. G. Lemmon 1874-1 177 Sierra Comment
  SEINET5498709  Hesperochiron californicus P. A. Lehenbauer 1933-5-24 2663 Sierra Balls Canyon Comment
  UCD23343  Hesperochiron californicus E. W. Jameson 1949-4-28 s.n. Sierra Sierra Valley. 1493 Comment
  CHSC115255  Heterocodon rariflorum Lowell Ahart 2015-5-9 20162 Sierra On the north side of 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
  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
  SEINET12283543  Heterocodon rariflorum J. G. Lemmon 1874-1 138 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
  UCR249172  Heuchera micrantha George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20753 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 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
  SEINET6032009  Heuchera rubescens P. A. Lehenbauer 1937-6-8 75 Sierra 25 mi. W of Reno, NV, on Truckee River at Iceland. 1676 Comment
  JEPS36662  Hieracium albiflorum W. L. Jepson 1944-8-3 16833 Sierra 2 mi e Bassett road station (Pioneer road station); North Fork Yuba River 1706 Comment
  RSA0016774  Hippuris vulgaris Douglas Drews 1967-5-20 s.n. Sierra 1 mile E of Sattley. 1585 Comment
  SJSU14200  Holodiscus discolor N. A. Hopkins 1989-8-6 Sierra summit of Deadmans Peak 2285 Comment
  UCD85481  Hordeum brachyantherum subsp. brachyantherum Elizabeth Wilson 1939-7-12 s.n. Sierra Above Gold Lake. Comment
  SCFS976  Hordeum jubatum L. Loeblich 1964-6-25 52 Sierra 823 Comment
  SEINET11911572  Horkelia tridentata J. G. Lemmon 1874-1 68 Sierra Sierra Co. &c Comment
  UC114315  Horkelia tridentata subsp. flavescens J. G. Lemmon 1875-1 90 Sierra Sierra Co. Comment
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Jun 12 2012
  SJSU12269  Hosackia crassifolia N. A. Hopkins 1982-6-9 1149 Sierra c. 1 mi SW of Calpine 1524 Comment
  CDA11835  Hydrophyllum capitatum var. alpinum G. F. Hrusa, E. Sandoval 1993-5-3 11148 Sierra Sierra Valley; E side of Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). Comment
  UC1583965  Hydrophyllum capitatum var. alpinum G. Schoolcraft 1990-5-8 2016 Sierra near Calpine (w edge of Sierra Valley); Sierra Valley 1524 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
  SJSU12215  Hydrophyllum capitatum var. alpinum N. A. Hopkins 1982-5-14 1048 Sierra 1 mi S of Calpine 1524 Comment
  UCD119477  Hydrophyllum capitatum var. alpinum R. O. Hanes 1991-5-28 31 Sierra E of Little Truckee Riv. 1743 Comment
  CHSC40033  Hydrophyllum occidentale L. Constance 1938-6-9 2305 Sierra East side of Yuba Pass, 2.4 miles northwest of Sattley. 1524 Comment
  UC66127  Hydrophyllum occidentale S. B. Doten 1901-7-2 77 Sierra Webber Lake Comment
  RSA0110959  Hydrophyllum occidentale J. W. Morrison 1924-05 s.n. Sierra Loyalton. Sierra Valley, Sierra Nevada. 1524 Comment
  SEINET12331117  Hydrophyllum occidentale F. H. Utech 1986-1 86 -086 Sierra Tahoe Natioanal Forest, ca 1 mi N of junction North Yuba River & CA 49 bridge 950 Comment
  SEINET5518786  Hydrophyllum occidentale var. watsonii P. B. Kennedy, S. B. Doten 1901-7-1 62 Sierra Webber Lake Comment
  SEINET12006032  Hymenolobus procumbens J. G. Lemmon 1874-1 s.n. Sierra Sierra Co., &c Comment
  CAS-BOT-BC400809  Hypericum anagalloides George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC400810  Hypericum anagalloides Mrs. E. C. Sutliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  UCR249165  Hypericum perforatum George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20796 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 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
  CHSC53039  Ipomopsis aggregata subsp. formosissima L. P. Janeway 1989-8-10 3569 Sierra Plumas National Forest. NE'ern slopes between Hasekll Pk and Hwy 89/Sulphur Cr. 2133 Comment
  CHSC57436  Ipomopsis congesta subsp. montana L. P. Janeway 1984-9-1 1109 Sierra Sierra crest, just above and east of Oakland Lake and Snake Lake. 2270 Comment
  CHSC115179  Iris hartwegii subsp. pinetorum Lowell Ahart 2015-5-9 20190 Sierra On the north side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  JEPS124075  Iris hartwegii subsp. pinetorum Lowell Ahart 2015-5-9 20190 Sierra About 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. Comment
  JEPS113949  Isatis tinctoria W. and N. Harnach 2000-5-22 899 Sierra Sierra Valley, approx 2 miles NE of Sierraville on Hwy 49, going to Loyalton. Comment
  CAS-BOT-BC69987  Isoetes bolanderi John Thomas Howell 1962-6-18 37822 Sierra Sierra Valley, 1.5 mi. e. of Calpine. 1524 Comment
  SEINET10842255  Isoetes bolanderi Cyrus G. Pringle 1882-1 Sierra Comment
  SJSU12058  Isoetes echinospora N. A. Hopkins 1976-9-17 876 Sierra outlet of Packer Lake 1889 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
  JEPS94945  Isoetes howellii Lowell Ahart 1997-8-28 7874 Sierra small pond about 1 mi w Bunker Hill Mine (w of the Pacific Crest Trail and Bunker Hill Ridge, about 1 mi se 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
  CAS-BOT-BC69855  Isoetes occidentalis Robert F. Thorne; C. W. Tilforth 1969-9-6 39219 Sierra Gold Lake. 1950 Comment
  CAS-BOT-BC137416  Ivesia aperta W. Harnach; N. Harnach 1989-7-30 238 Sierra Sierra Valley. West side of Hwy 49 1499 Comment
  UC1560865  Ivesia aperta var. aperta W. and N. Harnach 1989-7-30 238 Sierra w side Hwy. 49; Sierra Valley 1499 Comment
  CAS-BOT-BC123394  Ivesia aperta var. canina James R. Shevock; Barbara J. Ertter 1986-6-1 11532 Sierra Sierra Nevada. Toiyabe National Forest. Near the USFS Guard Station at Dog Valley. 1700 Comment
  CHSC67696  Ivesia aperta var. canina James D. Jokerst 1989-7-14 3139 C Sierra Dog Valley, W and adjacent to main road in Dog Valley, due W of outflow of Dog Creek from Dog Canyon. 1737 Comment
  JEPS111223  Ivesia aperta var. canina Steve Matson 2005-6-18 1289 Sierra Dog Valley, Toiyabe NF, ca 4 miles northwest of Verdi, NV; just east of old Dog Valley Ranger Station. 39.5619 N, 120.0453 W; Elevation 5800 ft. 1767 Comment
  UC205445  Ivesia aperta var. canina C. F. Sonne Jun 1889 Sierra Dog Valley Comment
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Feb 13 2007
  CAS-BOT-BC142359  Ivesia sericoleuca Gordon H. True; John Thomas Howell 1970-7-14 5501 Sierra Crystal Peak loop road ca. 0.5 mile west of Dog Valley Road near Dog Valley Campground - Sierra Nevada 1950 Comment
  CAS-BOT-BC142398  Ivesia sericoleuca Margaret J. Williams 1979-6-13 79- 75 -1 Sierra Mitchell Canyon Road into Dog Valley Comment
  CAS-BOT-BC142400  Ivesia sericoleuca A. R. Kruckeberg 1954-8-1 3665 Sierra 1 mi. e. of Calpine on road to Beckwourth Comment
  CAS-BOT-BC143366  Ivesia sericoleuca John Thomas Howell 1955-7-20 30888 Sierra Near Calpine 1508 Comment
  RSA790601  Ivesia sericoleuca James R. Shevock, Barbara Ertter 1986-7-20 11735 Sierra Along California highway 89, about 1 mile west of Sierraville. 1650 Comment
  UC1533140  Ivesia sericoleuca G. Schoolcraft 1986-7-2 1647 Sierra about 2 mi n Calpine Airport 1493 Comment
  UCD50226  Ivesia sericoleuca Bret Storm; Leah G. Miller 2005-7-10 111 Sierra Sagehen field station, Tahoe Nat'l Forest. Meadow south of field station on other side of creek. 1950 Comment
  UCD82354  Ivesia sericoleuca 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
  SEINET10737061 Image available Ivesia sericoleuca John G. Lemmon 1874-1 Lemmon 71 Sierra Comment
  UC1594114  Ivesia webberi Carol Witham 1991-6-12 195 Sierra Road 10, 0.1 mi S of jct with Road 2 Upper Long Valley, S end (500 ft E of road, 150 ft N of fence) 1658 Comment
  SEINET5334878  Ivesia webberi C. Bell 1962-1 Sierra Comment
  SEINET5334879  Ivesia webberi C. York 1962-1 Sierra Comment
  JEPS124659 Image available Juncus balticus Reinhard Jockel 1969-7-3 34 Sierra Kyburz Marsh 2 miles east of highway 89, several miles N of Little Truckee Bridge. Comment
  CHSC61892  Juncus bufonius var. occidentalis Lowell Ahart 1993-9-10 7182 Sierra In a small drying meadow, near red rock outcrops, on the west side and near the end of a poor dirt road that leads to a camp and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CDA38807  Juncus covillei L. Ahart 2010-9-15 17181 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. Comment
  CHSC105552  Juncus covillei Lowell Ahart 2010-9-15 17181 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC69954  Juncus covillei var. obtusatus L. P. Janeway; Eric Schroder 1997-8-14 5342 Sierra Tahoe National Forest. Freeman Meadow along Church Creek; about 2.3 mi east of Gold Lake. 2072 Comment
  CHSC105783  Juncus ensifolius Lowell 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 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC92141  Juncus ensifolius Lowell Ahart 2005-8-30 12344 Sierra East side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2032 Comment
  JEPS107850  Juncus ensifolius Lowell Ahart 2005-8-30 12344 Sierra East side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2032 Comment
  RSA716409  Juncus ensifolius L. 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. 2065 Comment
  SJSU13866  Juncus ensifolius N. A. Hopkins 1984-9-4 1245 Sierra Coburn Lake near Berry Cr 6 mi S of Yuba Pass 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
  UCD141567  Juncus longistylis P. B. Kennedy 1929-7-20 s.n. Sierra Salmon Lakes. Tusk's Meadows. Comment
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Feb 1 2014
  CHSC60621  Juncus mexicanus L. P. Janeway 1984-8-18 1010 Sierra Meadow at second switchback down the road from Packers Saddle toward Packer Lake. Along drainage channel. 1965 Comment
  UCR257657  Juncus mexicanus George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19457 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
  CHSC105545  Juncus nevadensis Lowell Ahart 2010-9-15 17178 Sierra Along the west sisde of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC66827  Juncus nevadensis Vernon H. Oswald; Lowell Ahart 1996-8-19 8207 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. In a meadow along the creek. 2225 Comment
  JEPS117671  Juncus nevadensis Lowell Ahart 2010-9-15 17189 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) e 2134 Comment
  JEPS117674  Juncus nevadensis Lowell Ahart 2010-9-15 17190 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) e 2134 Comment
  JEPS66967  Juncus nevadensis W. L. Jepson 1918-8-18 8043 Sierra Sierra Valley 1524 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
  UC1256285  Juncus nevadensis R. K. Gierisch 1959-6-25 3490 Sierra Saddle Mdw. Tahoe Forest/Expt. Area 1950 Comment
  SD147646  Juncus nevadensis Gordon H. True 1971-9-7 7031 Sierra Stringer on slope west of large meadow in Cold Stream Canyon, ca. 3.5 miles south of Perazzo meadows. Common in damp soil. 2377 Comment
  RSA0035332  Juncus nevadensis var. nevadensis Lowell Ahart 2012-9-18 18453 Sierra Bottom of Poverty Hill Hydraulic Mine, about 2 miles (air) southwest of Poverty Hill, about 4 1/2 miles (air) south of La Porte. 1388 Comment
  JEPS103113  Juncus orthophyllus L. P. Janeway, B. Castro 2001-7-1 7254 Sierra Northern High Sierra Nevada. From springs on lower northwest flank of Table Rock 0.8 km southwest of Howland Flat, along Road 21N08 1768 Comment
  UC1256267  Juncus orthophyllus R. K. Gierisch 1969-8-25 3580 Sierra Tahoe Forest/Expt. Area 2072 Comment
  UCD141653  Juncus orthophyllus P. B. Kennedy 1929-7-20 s.n. Sierra Salmon Lakes. Comment
  SEINET13710041  Juncus orthophyllus Lowell William Ahart, Lowell William Ahart 2001-1 9067 Sierra Haypress Valley, 100 Yds. S of Yuba Pass Webber Lake Rd. (Fsr 12), 4 Mi. NW Webber Lake (T19N, R13E, sec 1, SW 1/4) 7000 Ft. 680 Comment
  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
  CHSC52964  Juncus parryi L. P. Janeway 1989-8-10 3576 Sierra Plumas National Forest. NE'ern slopes between Haskell Pk and Hwy 89/Sulphur Cr. 2225 Comment
  JEPS96060  Juncus parryi Vernon H. Oswald and Lowell Ahart 1996-8-19 8202 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.2 mi s road to Lincoln Valley; northern High Sierra Nevada 2346 Comment
  CHSC105547  Juncus tenuis Lowell Ahart 2010-9-15 17192 -A Sierra Along the west sisde of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  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-BC81077  Juniperus communis Arthur L. Menzies 1961-7-29 s.n. Sierra 1/4 mi. north of Hawley Lake, Tahoe Nat'l Forest 2133 Comment
  CAS-BOT-BC85312  Juniperus occidentalis Albert H Barker 1926-7-25 150 Sierra Gold Lake near outlet 1958 Comment
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Oct 7 2018
  UCD133765  Juniperus occidentalis R. O. Hanes 1992-9-28 93 Sierra Tahoe Forest; Cottonwood Creek. 1889 Comment
  NY19871  Juniperus occidentalis J. G. Lemmon 1874-1 s.n. Sierra This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  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
  RSA123363  Juniperus occidentalis var. occidentalis G. T. Nordstrom 1936-7-14 941 Sierra 3 miles NW of Dog Valley. Tahoe National Forest 2500 Comment
  CHSC37207  Keckiella breviflora var. breviflora L. Ahart 1982-7-28 3684 Sierra Ca. 1.3 mi of a stem. Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  NY786810  Keckiella breviflora var. breviflora R. G. Olmstead 1983-7-1 408 Sierra On rocky road cut along Highway 49 ca. 3 miles southwest of Downieville along North Fork Yuba River. 856.5 Comment
  SJSU12061  Keckiella breviflora var. breviflora N. A. Hopkins 1975-7-24 691 Sierra Rosassco Ravine 1 mi W of Downieville 914 Comment
  UC1238917  Keckiella breviflora var. glabrisepala Freed W. Hoffman 1946-6-12 916 Sierra near Sierra City (Highway 49); Sierra Nevada Comment
  UCR47787  Keckiella lemmonii D. C. Michener 1980-8-5 3789 Sierra Northern Sierra Nevada Mtns, Above Salmon Creek, south of Graeagle 1799 Comment
  CHSC105550  Kelloggia galioides Lowell Ahart 2010-9-15 17171 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
  POM68594  Kelloggia galioides J. G. Lemmon 1878-09 s.n. Sierra Webber Lake. Comment
  SEINET12628791  Kelloggia galioides P. B. Kennedy, S. B. Doten 1901-7-10 139 Sierra Canyon below Webber Lake. Comment
  SEINET12628804  Kelloggia galioides P. B. Kennedy, S. B. Doten 1901-7-10 139 Sierra Canyon below Webber Lake. Comment
  UC367177  Kelloggia galioides J. G. Lemmon and wife Jul 1881 Sierra Webber Lake Comment
  UC854332  Kumlienia hystricula Alice Eastwood 1918-4-6 6791 Sierra Downieville Comment
  JEPS40387  Kyhosia bolanderi W. L. Jepson 1934-8-2 16786 Sierra 2 mi e Bassett Sta.; North Fork Yuba River, Pioneer Sta. 1706 Comment
  SEINET8655760 Image available Kyhosia bolanderi W. Harnach 2014-8-13 1393 Sierra 0.75 west of Hwy 49 on the Chapman Saddle Road, near Sattley 1711 Comment
  UC477568  Kyhosia bolanderi L. S. Smith 1931-8-3 2621 Sierra Tahoe National Forest 1828 Comment
  SEINET11446758 Image available Lagophylla ramosissima W. Harnach, N. Harnach 1990-8-2 501 Sierra Sierra Valley. Approx 1 mile S of the intersection of Calpine Rd. & Co. Rd. A-23 on A-23. Near gate to Fisher field. 1498 Comment
  UC585089  Lathyrus brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 Sierra 0.5 mi ne Sattley (on Church ranch) Comment
  UC585231  Lathyrus brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1681 Sierra e side Sierra Valley (on road to Loyalton) 1615 Comment
  SEINET5327316  Lathyrus lanszwertii var. brownii A. D. Bruner 1962-5-9 s.n. Sierra SW Dog Valley 1829 Comment
  UCR262441  Lathyrus latifolius George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20799 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  SEINET5327325  Lathyrus pauciflorus subsp. brownii W. Harnach, N. Harnach 1989-4-23 42 Sierra Sierra Valley; E slope Sattley Hill 1521 Comment
  SEINET6658648  Lathyrus sulphureus Duane Isely 1965-5-29 9655 a Sierra Adjacent to Yuba river, below state #49, east of Downieville.; 0 Comment
  CAS-BOT-BC321063  Layia glandulosa H. M. Hall; E. B. Babcock 1903-6-16 4089 Sierra Shasta Valley (Mount Shasta region) 914 Comment
  SEINET11975271  Ledum glandulosum J. G. Lemmon 1874-1 143 Sierra Comment
  UC1101250  Lemna gibba Malcolm A. Nobs, S. Galen Smith 1949-8-20 1496 Sierra about 0.5 mi w of Loyalton (on road to Sierraville, Sierra Valley); Sierra Valley Comment
  UC1101301  Lemna gibba Malcolm A. Nobs, S. Galen Smith 1949-8-20 1492 Sierra about 0.5 mi w of Loyalton (on road to Sierraville, Sierra Valley); Sierra Valley 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
  UCD138109  Lemna gibba Malcolm A. Nobs; S. Galen Smith 1949-8-20 1492 Sierra Marshy pasture about 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley. Comment
  JEPS125703  Lemna minuta William Harnach 2015-10-6 1456 Sierra 2.2 miles East of Highway 49 on Lemmon Canyon Road, East of Sierraville Comment
  SEINET8655826  Lemna minuta W. Harnach 2015-10-13 1461 Sierra 2.4 miles West of Loyalton (intersection of Hill St & Hwy 49) on north side of Hwy 49. 1496 Comment
  CAS-BOT-BC534934  Lemna minuta S. Galen Smith; Malcom A. Nobs 1949-8-20 1496 Sierra Marshy pasture about 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley. Comment
  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
  CHSC74077  Lepidium appelianum B. Castro 1998-7-20 809 A 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
  CAS-BOT-BC88746  Lepidium appelianum T. C. Fuller 1963-6-12 10668 Sierra Sierra Valley. North side of Highway 49 to Sierraville, 1.0 mile west of Loyalton. Comment
  CAS-BOT-BC88853  Lepidium campestre Catherine Best 1988-6-10 1287 Sierra Sierra Nevada. Herringtons. Sierra City. Comment
  UCD115713  Lepidium latifolium A. Shapiro 1995-8-17 s.n. Sierra Hwy 49, ca. 1.3 rd mi N of Sierraville (Torri Ranch). 1516 Comment
  SJSU6453  Lepidium perfoliatum N. A. Hopkins 1971-6-14 383 Sierra 1 mi E of Sierraville, Sierra Valley 1524 Comment
  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
  UC1126711  Lepidium virginicum G. T. Nordstrom 1936-7-23 958 Sierra 2 mi sw Purdy; Sierra National Forest, Sierraville Quad. 1615 Comment
  CHSC66800  Lepidium virginicum var. pubescens Vernon H. Oswald; Lowell Ahart 1996-8-19 8233 Sierra Northern High Sierra Nevada. Road to Lake of the Woods 1.0 mi N of Forest Rt. 07, NE of Webber Lake. Roadside. 2194 Comment
  UCSB29036  Leptosiphon ciliatus Hardham, Clare 1961-6-15 Sierra Yuba Pass Comment
  SJSU4989  Leptosiphon ciliatus N. A. Hopkins 1968-6-30 138 Sierra Packer L 1889 Comment
  SEINET14168177  Leptosiphon harknessii P. B. Kennedy, S. B. Doten 1901-7-8 114 Sierra East of Webber Lake Comment
  SJSU12091  Leptosiphon harknessii N. A. Hopkins 1983-7-9 1156 Sierra c.1 mi SW of Calpine 1524 Comment
  JEPS20616  Lessingia nemaclada W. L. Jepson 1934-7-30 16770 Sierra between Weeds Pt. (Nevada Co.) and North Fork Yuba Bridge (Sierra Co.) Comment
  CAS-BOT-BC334605  Leucanthemum vulgare Lowell Ahart 1981-7-24 2993 Sierra 0.5 mile north of Queen City 1700 Comment
  CAS-BOT-BC58255  Leucothoe davisiae Alice Eastwood 1918-4-7 6803 Sierra Above n. fork of Yuba River, along road. Comment
  CAS-BOT-BC58257  Leucothoe davisiae Catherine Best 1983-8-29 884 Sierra Growing at the edge of the Salmon Lake Road about 1.5 mi. from the lake. Comment
  CAS-BOT-BC59623  Leucothoe davisiae R. F. Thorne; C. W. Tilforth 1969-9-6 39206 Sierra Goose Lake, se. of Gold Lake. 1950 Comment
  JEPS66648  Leucothoe davisiae C. B. Bradley July 1920 Sierra Scales Diggins near Poverty Flat; Scales Diggins Comment
  SJSU12243  Leucothoe davisiae N. A. Hopkins 1981-7-6 1033 Sierra near Wallis Mine, 0.75 mi NW of Packer L 2133 Comment
  UC54433  Leucothoe davisiae H. M. Hall and E. B. Babcock July, 1903 4504 Sierra Gold Lake; Sierra Nevada Mountains, Gold Lake 1950 Comment
  UCD117529  Leucothoe davisiae J. M. Tucker 1974-9-14 4339 Sierra Adjacent to Rock Creek, 3/4 mile northeast of Scales. 1371 Comment
  CAS-BOT-BC233818  Lewisia cantelovii Virginia Storz 1961-7-1 s.n. Sierra Highway 49 Bridge over N Fork Yuba River, south side of river, Sierra Nevada Comment
  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
  SBBG1934  Lewisia nevadensis H. and M. Dearing 1930-7-4 3819 Sierra Gold Lake Comment
  CAS-BOT-BC444109  Lewisia nevadensis H. D. Ripley; R. C. Barneby 1942-5-22 4525 Sierra Between Hobart Mills - Sierraville 1950 Comment
  CDA35652  Lewisia rediviva J. R. Keck Jr. 1993-6-8 PDR# 724916 Sierra South-southwest of Bordertown-Cold Springs, NV. Toiyabe National Forest. Just west of California-Nevada state line. 0 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
  CHSC63656  Lewisia triphylla B. Castro; L. Hanson, K. van Zuuk 1989-6-13 317 Sierra Ca 1.5 air mi N of Mt. Fillmore on Sawmill Ridge, off USFS Rd 22N21X. 1889 Comment
  UC1136696  Lewisia triphylla H. S. Yates 1935-6-29 12109 Sierra 1 mi n Gold Lake; Plumas National Forest, Downieville qudrangle Comment
  CAS-BOT-BC444497  Lewisia triphylla Catherine Best 1982-7-12 748 Sierra Above Packer's Lake. 2011 Comment
  CAS-BOT-BC444498  Lewisia triphylla Anna Head 1920-6-15 s.n. Sierra Gold Lake, Feather River Region 1981 Comment
  SJSU14227  Lewisia triphylla N. A. Hopkins 1989-7-15 1564 Sierra below Coburn L, Berry Cr drainage c. 5 mi S of Yuba Pass 2270 Comment
  JEPS68546  Leymus cinereus W. L. Jepson 1918-8-18 8048 Sierra Sierra Valley 1524 Comment
  CDA32460  Leymus cinereus T. C. Fuller 1963-7-17 10932 Sierra North side of Dog Valley Rd., 1.0 miles northwest of Verdi, Nevada, just west of stateline in Sierra County. 0 Comment
  CHSC40673  Ligusticum grayi J. D. Jokerst 1982-9-10 1667 Sierra Trail to summit of Sierra Buttes from Packer Lake. 2316 Comment
  SEINET8584746  Ligusticum grayi W. Harnach 2012-7-20 1273 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
  POM202943  Ligusticum grayi L. S. Rose 1934-7-15 34369 Sierra Gold Lake 1951 Comment
  RSA252372  Ligusticum grayi R. F. Thorne, C. W. Tilforth 1969-9-6 39205 Sierra South of Haven Lake (between Goose and Snag Lakes). 1951 Comment
  RSA7872  Ligusticum grayi H. A. Barker 1927-7-11 801 Sierra Gold Lake 1954 Comment
  CAS-BOT-BC509354  Lilium kelleyanum H. C. Cantelow 1938-7-2 2366 Sierra 2 mi E of Downieville, nr River 975 Comment
  CAS-BOT-BC130716  Lilium pardalinum Eva Kennedy 1909-1-1 44 Sierra Downieville Comment
  JEPS125652  Lilium pardalinum Shuxiao Zhang 2015-7-8 011 Sierra On property south of Packer Lake and west of Tamarack Lakes, in Tahoe National Forest area. Comment
  RSA109834  Lilium pardalinum E. K. Balls, Lee W. Lenz 1956-6-20 21848 Sierra 1.3 mile east of Sierra City along State Highway 49 1372 Comment
  CAS-BOT-BC133038  Lilium washingtonianum subsp. washingtonianum Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  UCR63651  Linanthus ciliatus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0962 Sierra Sierra Nevada Mtns., Plumas National Forest, c. l mi. south of Sierra County line on Hwy 89 1585 Comment
  JEPS58439  Linanthus harknessii J. G. Lemmon Aug 1878 Sierra Webber Lake Comment
  UC1561783  Linanthus harknessii Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7218 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, upper end of flat n of road, Kyburz Flat); Little Truckee River, Kyburz Flat 1920 Comment
  CHSC1261  Linanthus pungens V. Holt 1942-7-10 Sierra Gold Lake. 1950 Comment
  SJSU13896  Linanthus pungens N. A. Hopkins 1986-6-30 1344 Sierra bald ridge 2158 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
  SJSU14252  Linaria vulgaris N. A. Hopkins 1989-8-29 1596 Sierra Hwy 49 at Lombardi Point c. 1 mi W of Antelope Valley, 3.5 mi W of Loyalton 1524 Comment
  JEPS127119  Linnaea borealis var. longiflora Lowell Ahart 2016-9-9 21347 Sierra About 50 yards south of where the road crosses Gold Run Creek at the Poverty Hill Mine, about 5 1/2 miles (air) southwest of La Porte. Comment
  UC1609354  Listera convallarioides Lowell Ahart 1993-9-10 7199 Sierra about 1 mi sw dirt road from Gibsonville to Johnsville (about 100 yards sw of the stream, camp and water ditch at end of a poor dirt road, n side of mountain); Mount Fillmore 2133 Comment
  SEINET12075392  Listera convallarioides J. G. Lemmon 1874-1 s.n. Sierra no further locality Comment
  RSA123002  Lithocarpus densiflorus var. echinoides A. Lewis 1934-7-9 506 Sierra 2 miles north of Poverty Hill. 1372 Comment
  UC1135301  Lithocarpus densiflorus var. echinoides A. Lewis 1934-7-9 506 Sierra 2 mi n Poverty Hill; Plumas National Forest, Downieville Quad. 1371 Comment
  POM161342  Lithophragma glabrum R. C. Bacigalupi 1927-7-3 1595 Sierra About 2 miles S of Yuba Pass Rd. 2 miles W of the Pass. 1951 Comment
  SEINET6032182  Lithophragma glabrum L. L. Killinger 1962-5-9 s.n. Sierra Southwest end of Dog Valley 1829 Comment
  CAS-BOT-BC443348  Lithophragma parviflorum D. E. Breedlove 1962-6-13 3487 Sierra along State Highway 89, 9.3 miles north of Sierraville 1524 Comment
  CHSC94130  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
  SJSU11955  Lithophragma tenellum N. A. Hopkins 1979-5-11 930 Sierra c. 2 mi N of Sattley, Sierra Valley 1493 Comment
  SEINET12706588  Lithospermum ruderale K. E. Bradshaw 1942-5-21 KB 418 Sierra On old Trosi Ranch, 3 miles SW of Purdy. 1676 Comment
  SEINET8661893  Lomatium dissectum var. multifidum P. B. Kennedy, S. B. Doten 1901-7-12 152 Sierra Near Webber Lake Comment
  CAS-BOT-BC205171  Lomatium nevadense James R. Shevock; Barbara Ertter 1988-5-16 11817 Sierra The Sierra Nevada. Toiyabe National Forest. West side of Dog Valley, about 5 miles NW of Verdi off of Interstate 80 1828 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
  RSA106775  Lomatium nudicaule L. S. Rose 1955-7-20 55165 Sierra 2 miles south of Calpine 1509 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
  SFV8554  Lomatium nudicaule L. Smith, W. B. McHenry 1970-6-10 s. n. Sierra Sierra Nevada About 3 miles northwest of Sierraville on State Highway 89. Roadside. Comment
  CHSC61785  Lonicera conjugialis Lowell Ahart 1993-9-10 7215 Sierra On the west side of Mount Fillmore, about 11/2 miles south of the dirt road from Gibsonville to Johnsville. 2286 Comment
  CHSC92057  Lonicera conjugialis Lowell Ahart 2005-8-30 12355 Sierra On the south side of Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2064 Comment
  RSA286301  Lonicera conjugialis R. F. Thorne 1974-7-30 45034 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2057 Comment
  SJSU14264  Lonicera conjugialis N. A. Hopkins 1989-7-4 1561 Sierra by Coburn L c. 5 mi S of Yuba Pass 2286 Comment
  CAS-BOT-BC243916  Lonicera involucrata var. involucrata H. Albert Barker 1926-7-21 147 Sierra Gold Lake, ponds near Little Gold Lake 1953 Comment
  CHSC11390  Lonicera involucrata var. involucrata Lowell Ahart 1971-8-6 Sierra Two miles W of Webber Lake. 2286 Comment
  UCR249169  Lotus argophyllus var. fremontii George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20789 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.8 miles west of Goodyears Bar, c. 5 miles west of Downieville 779 Comment
  JEPS117444  Lotus purshianus var. purshianus Lowell Ahart 2010-9-15 17159 Sierra Open areas, around trees, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  JEPS125810  Lunaria annua William Harnach 2015-4-13 1400 Sierra 7.9 miles West of the Sierra City post office on Highway 49. Comment
  UCD105843  Lupinus adsurgens P. B. Kennedy 1929-7-26 s.n. Sierra Salmon Lakes. Comment
  SBBG120354  Lupinus albicaulis D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16751 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 Comment
  CHSC52414  Lupinus albicaulis var. shastensis L. P. Janeway 1989-8-22 3623 Sierra Plumas National Forest. Northeast flank of ridge ca 3 mi E of Haskell Pk; near head of Sulphur Cr. 2164 Comment
  CAS-BOT-BC198371  Lupinus albifrons Leah D. McKee 1981-5-16 061 Sierra .5 miles east of Jct. w/road to Calpine, Jct. 89 & 49 Hwy. 1554 Comment
  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
  RSA8038  Lupinus apertus H. A. Barker 1927-7-17 809 Sierra Snake Lake 2043 Comment
  CHSC61790  Lupinus arbustus Lowell Ahart 1993-9-10 7193 Sierra Near the small stream, at the end of a poor dirt road where there is a camp and water ditch , on the n side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsonville. 2133 Comment
  SEINET5327875  Lupinus arbustus W. Harnach, N. Harnach 1989-5-9 64 Sierra Sierra Valley; Calpine Ranch (home) 1506 Comment
  UC1129533  Lupinus arbustus G. T. Nordstrom 1936-7-9 924 Sierra 2 mi nw Dog Valley; Tahoe National Forest, Sierraville Quad. Comment
  CAS-BOT-BC196374  Lupinus argenteus var. heteranthus Alice Eastwood 1918-6-29 7841 Sierra Loyalton Comment
  UC1562339  Lupinus argenteus var. heteranthus Vernon Oswald and Lowell Ahart 1990-7-25 4392 Sierra ca 0.25 mi s Staverville Rd. (ca 1 mi w of Balls Ranch) 1935 Comment
  UC584268  Lupinus argenteus var. heteranthus G. L. Stebbins Jr. and J. A. Jenkins 1937-5-21 2113 Sierra on road to Loyalton at Newman Point 3 1/2 mi ne Sierraville; ne of Sierraville 1524 Comment
  UCD106806  Lupinus argenteus var. heteranthus N. Hopkins 1982-6-19 1061 Sierra near Boondoggle. Ca. 1 mi S. Capine. 1828 Comment
  UCR249167  Lupinus bicolor George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20794 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  CAS-BOT-BC196686  Lupinus breweri var. breweri Lester Rowntree 1935-6-13 s.n. Sierra Near Calpine Comment
  RSA109814  Lupinus breweri var. breweri E. K. Balls, Lee W. Lenz, B. K. Balls 1956-6-20 21846 Sierra 5.7 mi. w. along State Hwy. 49 from j ct. with state Hwy. 89. 2012 Comment
  SEINET6654527  Lupinus breweri var. breweri James L. Reveal 1971-6-23 2474 Sierra Along California Highway 49; 4.7 miles east of Yuba Pass Summit, about 1 mile west of Sattley.; 0 Comment
  CAS-BOT-BC196792  Lupinus breweri var. grandiflorus M. Boone 1981-5-16 050 Sierra Highway 70, Beckwourth Pass at roadside rest 1828 Comment
  JEPS96061  Lupinus breweri var. grandiflorus Vernon H. Oswald and Lowell Ahart 1996-8-19 8218 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Road (Forest Rt. 12) 1.5 mi S of the road to Haypress Valley. Comment
  CHSC45916  Lupinus dalesiae Lowell Ahart 1981-6-23 2878 Sierra About 1/4 mi south of Whiskey Creek, about 9 air miles north-east of La Porte. 1645 Comment
  JEPS46226  Lupinus grayi L. S. Smith 1926-5-13 1818 Sierra Milton Comment
  SBBG69389  Lupinus grayi J. G. Lemmon 1894-1 Sierra Downieville Comment
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Aug 8 2010
  SBBG69391  Lupinus grayi J. G. Lemmon 1894-1 Sierra Downieville Comment
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Aug 8 2010
  RSA232253B  Lupinus grayi James Henrickson 1969-5-25 3442 Sierra Ca. 45 miles northeast of Yuba City, 7 miles west of Downieville, 4 miles east of Yuba county border. Comment
  UC1299678  Lupinus grayi Freed W. Hoffman 1946-6-12 920 Sierra e side Yuba Pass; e side of Yuba Pass Comment
  SEINET10489265  Lupinus latifolius subsp. longipes Duane Isely, I. Isely 1971-7-13 Isely 11406 Sierra At sulphur creek, 1/4 mi. Below state #89, 9 mi. N intersection state #89 and #49. Moist soil, open woods and roadside. 1524 Comment
  JEPS65071  Lupinus lepidus var. confertus W. L. Jepson 1918-8-18 8054 Sierra Sierra Valley 1524 Comment
  UCD22392  Lupinus lepidus var. confertus Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1310 Sierra Town of Sierraville. Pasture by general store/gas station. 1524 Comment
  SJSU14276  Lupinus lepidus var. lobbii N. A. Hopkins 1989-7-1 1548 Sierra by rd between Yuba Pass & Webber L, 6-7 mi S of Yuba Pass 2316 Comment
  CHSC113673  Lupinus lepidus var. sellulus L. P. Janeway 2014-6-17 11387 Sierra Northern High Sierra Nevada. Plumas National Forest; on the old mining tailings of Poverty Hill, between Gold Run Creek and Slate Creek. 1372 Comment
  SEINET8056242  Lupinus lepidus var. sellulus I. LaRivers 1960-6-22 s.n. Sierra Verdi 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
  CHSC61791  Lupinus obtusilobus Lowell Ahart 1993-9-10 7213 Sierra On the north side of Mt. Fillmore, about 1 1/2 miles south of the dirt road from Gibsonville to Johnsville. 2286 Comment
  UCR12071  Lupinus polyphyllus Coleta A. Lawler 1968-7-6 124 Sierra Sierra Nevada Mtns., Hwy 49, Yuba Pass Summit 2043 Comment
  RSA59466  Lupinus polyphyllus subsp. superbus E. K. Balls 1950-9-16 15884 Sierra Just north of Sattley, Hwy 89. 1524 Comment
  SBBG3719  Lupinus polyphyllus var. burkei H. and M. Dearing 1939-7-4 3838 Sierra Gold Lake Comment
  SD147557  Lupinus polyphyllus var. burkei Gordon H. True 1966-7-21 3098 Sierra Sierra Valley, ca., 1.0 mile north of Sattley. 1493 Comment
  CAS-BOT-BC436601  Luzula cascadensis L. S. Smith 1927-7-27 2121 Sierra Tahoe, near Dorsey Station, along Yuba Pass Road 1981 Comment
  UCD40315  Luzula comosa Rodney Gale Myatt 1971-7-3 844 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  RSA286325  Luzula comosa var. laxa Robert F. Thorne 1974-7-30 45043 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes area. 2058 Comment
  UC338459  Luzula comosa var. laxa unknown 1889-6-6 Sierra Gold Lake Comment
  CHSC66829  Luzula divaricata Vernon H. Oswald; Lowell Ahart 1996-8-19 8203 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
  JEPS87452  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
  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
  JEPS124418  Luzula macrantha Lowell Ahart 2015-5-9 20176 Sierra About 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. Comment
  UC1714337  Lycium halimifolium H. M. Hall and E. B. Babcock Jul 1903 4462 Sierra Beckwith; Sierra Nevada Mountains 1524 Comment
  SJSU14413  Madia citriodora N. A. Hopkins 1990-10-14 1640 Sierra by junction of rd to Calpine with the Sattley-Beckwourth Rd, Sierra Valley 1524 Comment
  SEINET11601333 Image available Madia elegans W. Harnach 1990-8-20 521 Sierra Sierra Valley, 160 Calpine Road, Calpine 1509 Comment
  SJSU12112  Madia elegans N. A. Hopkins 1983-6-15 1138 Sierra Upper Long Valley W of Bordertown 1584 Comment
  CAS-BOT-BC343987  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
  CHSC94119  Madia exigua Lowell Ahart 2006-6-21 12803 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany. 1093 Comment
  SBBG119945  Madia exigua L. Ahart 2006-6-21 12803 Sierra W side of the Foote Rd, ca. 3.7 rd mi SW of Alleghany 1093 Comment
  CAS-BOT-BC342880  Madia glomerata John Thomas Howell 1951-8-21 28262 Sierra East side of Yuba Pass 1828 Comment
  CAS-BOT-BC342881  Madia glomerata John Thomas Howell 1934-7-20 34391 Sierra Gold Lake 1950 Comment
  SEINET11806674  Madia glomerata L. Ahart, Ahart, P. 1983-1 4476 Sierra ca 2 mi SE of Jackson Meadow Reservoir, ca 1 mi S of Pass Creek, near Jackson Meadow Reservoir 2200 Comment
  UCD135652  Madia glomerata Bruce G. Baldwin 1985-8-25 504 Sierra ca. 1.5 miles east of Yuba Pass along California State Highway 49. 1828 Comment
  CAS-BOT-BC343416  Madia gracilis Lowell Ahart 1982-7-28 3683 Sierra About 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  RSA719203  Madia gracilis subsp. gracilis L. Ahart 2006-6-21 12804 Sierra On the W side of the Foote Road, about 3.7 miles (by road) SW of Alleghany. 1094 Comment
  SEINET8491472  Maianthemum racemosum W. Harnach, N. Harnach 1990-6-30 439 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  CAS-BOT-BC512755  Maianthemum racemosum subsp. amplexicaule H. Albert Barker 1926-7-3 29 Sierra Packer Lake 1981 Comment
  CAS-BOT-BC512757  Maianthemum racemosum subsp. amplexicaule Mrs. E. C. Sutliffe 1917-8-1 s.n. Sierra Gold Lake Region Comment
  CAS-BOT-BC512889  Maianthemum stellatum H. Albert Barker 1926-7-27 153 Sierra Gold Lake - Indian Head Peak 2072 Comment
  SEINET12049305  Maianthemum stellatum Blake, Blake 1890-1 s.n. Sierra Webber Lake 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
  SJSU15117  Marsilea vestita subsp. vestita N. A. Hopkins 1992-7-21 1708 Sierra Knudson Meadow, N of Carman Creek Comment
  UCD86254  Melica aristata L. T. Burcham; H. W. Miller 1962-8-1 s.n. Sierra 1 mile southeast of Milton Reservoir on upper middle fork of the Yuba River. 1755 Comment
  CHSC67142  Melica bulbosa James D. Jokerst 1990-7-27 3164 A Sierra Burma Summit, 6 mi SE of Loyalton. 2468 Comment
  UC1256280  Melica fugax R. K. Gierisch and D. H. Esplin 1969-6-25 3480 Sierra vicinity Saddle Meadow; Tahoe Forest/Expt. Area 1950 Comment
  CHSC94197  Melica geyeri Lowell Ahart 2006-6-21 12814 Sierra On the south side of the Foote Road, about 2.7 miles (by road) southwest of Alleghany. 1103 Comment
  CAS-BOT-BC281383  Melica harfordii John Thomas Howell; Gordon H. True 1969-6-25 45863 Sierra N Fork of Yuba River, 5 miles E of Indian Valley 762 Comment
  UCD87514  Melica harfordii John Thomas Howell; Gordon H. True 1969-6-25 45863 Sierra 5 miles east of Indian Valley, North Fork of Yuba River. 762 Comment
  UCD87532  Melica harfordii P. B. Kennedy 1927-5-29 s.n. Sierra Sierra County. Comment
  UCR132690  Melica harfordii Beecher Crampton 1954-5-10 1850 Sierra Tahoe National Forest, 6 miles northeast of Camptonville, along highway 49, at the foot of a black shale slope of a canyon of the north Yuba River 701 Comment
  SEINET4671671  Melica stricta P. B. Kennedy 1901-7-6 s.n. Sierra Canyon below Webber Falls Comment
  SEINET11978644  Mentzelia congesta J. G. Lemmon 1874-1 95 Sierra Sierra Co. &c., Ran[??] Comment
  CHSC37213  Mentzelia dispersa L. Ahart 1982-7-28 3713 Sierra On bottom of water ditch, ca. 1/8 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC46493  Mentzelia dispersa Lowell Ahart 1981-6-23 2867 Sierra In bare open areas north of the dirt road (Johnsville Road), there is a small red triangle shaped hill to the south, about 1/2 mile south of Stafford Mountain, about 12 miles north-east of La Porte. 1828 Comment
  SEINET11978680  Mentzelia gracilenta J. G. Lemmon 1874-1 = Sierra Sierra Co. &c Comment
  CDA36684  Mentzelia veatchiana T. C. Fuller 1962-6-14 9009 Sierra Highway 49 to Sierraville, 0.6 mile west of Loyalton. 0 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
  SEINET11303059  Mertensia P. Lehenbauer, R. E. Lehenbauer 1925-6-13 1165 Sierra Little Truckee Comment
  JEPS70761  Mertensia ciliata Leland S. Smith 1928-6-12 2329 Sierra W of Sardine (Henness Pass Road) 1828 Comment
  CAS-BOT-BC429032  Micranthes nidifica Rimo Bacigalupi 1927-7-4 1617 Sierra Along banks of north fork of north fork of the Yuba River 2 miles west of Yuba Pass 1920 Comment
  SJSU11957  Micranthes nidifica N. A. Hopkins 1972-6-17 473 Sierra by inlet to Packer L 1920 Comment
  CAS-BOT-BC429247  Micranthes oregana D. E. Breedlove 1962-6-13 3501 Sierra Along State Highway 89, 4.2 miles north of Sierraville 1524 Comment
  CAS-BOT-BC429248  Micranthes oregana Beecher Crampton 1958-6-20 4949 Sierra Along the Little Truckee River, 12 miles south of Sierraville 1828 Comment
  CAS-BOT-BC429253  Micranthes oregana Rimo Bacigalupi 1927-7-2 1618 Sierra Along north fork of Yuba River halfway between Downieville and Sierra City Comment
  SEINET6167423  Micranthes oregana W. Harnach, N. Harnach 1989-5-13 094 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti ranch 1518 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
  UC131410  Microseris nutans J. G. Lemmon 1870-1 Sierra Comment
  UC829404  Microseris nutans Anna Head 1921-7-20 Sierra trail to Gold Lake Feather River Region Comment
  SJSU4158  Microsteris gracilis C. W. Sharsmith & W. Savage 1967-5-20 7531 Sierra by Sierraville-Loyalton Rd 5 mi N of Sierraville, Sierra Valley 1478 Comment
  SEINET215089  Microsteris gracilis S. Adams 1967-5-21 33 Sierra 2 mi N of Sierraville 1372 Comment
  SJSU14007  Microsteris gracilis N. A. Hopkins 1988-6-3 1419 Sierra by rd from Beckwourth to Sattley, Sierra Valley 1493 Comment
  RSA550843  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-9 1122 Sierra N Fork Yuba river, W of goodyears Bar. 0.4 mi W of Ramshorn Campground turnoff along Hwy 49 759 Comment
  HSC24801  Mimulus aurantiacus var. grandiflorus James Henrickson 1969-5-25 3439 Sierra 45 mi. NE of Yuba City, 7 mi. W of Downieville, 4 mi. E of Yuba Co. border Comment
  SEINET3820362 Image available Mimulus breweri Lewis S. Rose 1924-7-2 34305 Sierra Gold Lake. 1951 Comment
  HSC96964  Mimulus guttatus L. Ahart 2006-6-21 12799 Sierra W side of Foote Rd., near Blue Ravine, 3 mi. SW of Alleghany 1054 Comment
  UCR257816  Mimulus guttatus George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19445 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
  JEPS16858  Mimulus moniliformis John Gill Lemmon 1889-7-8 Sierra Gold Lake Comment
  JEPS9030  Mimulus moniliformis Rimo Bacigalupi with Aldo Bacigalupi 1952-8-19 3949 Sierra 1 1/2 mi w Yuba Pass (along California Highway No. 49) 1981 Comment
  JEPS125670  Mimulus nanus var. mephiticus William Harnach 2013-5-1 1327 Sierra 1.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  RSA491813  Mimulus nanus var. mephiticus B. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 870 Sierra Above Ramshorn Campground, on Hwy 49, ca. 15 mi. NE of Camptonville and ca. 5 mi W of Downieville. 823 Comment
  JEPS125647  Mimulus primuloides Shuxiao Zhang 2015-7-8 008 Sierra On property south of Packer Lake and west of Tamarack Lakes, in Tahoe National Forest area. Comment
  SBBG45751  Mimulus primuloides K. K. Muller 1963-8-15 1236 Sierra 5 mi S of Gold Lake Comment
  UC1368507  Mimulus primuloides subsp. primuloides R. K. Gierisch, and D. H. Esplin 1969-9-25 3613 Sierra Tahoe <National Forest> Comment
  CAS-BOT-BC432929  Mitella breweri H. Albert Barker 1926-7-3 64 Sierra Packer Lake 1950 Comment
  SEINET12219470  Mitella breweri H. M. Hall, Babcock, E. B. 1903-1 4482 Sierra Yuba Pass, Sierra Nevada Mountains 1981 Comment
  CHSC43023  Monardella odoratissima L. P. Janeway 1984-7-29 941 Sierra Vicinity of Sierra Buttes. Near F. S. Rd. 28 (21N11) ca 3 1/2 mi from Gold Lake. 2225 Comment
  CAS-BOT-BC222126  Monardella odoratissima subsp. pallida Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC222132  Monardella odoratissima subsp. pallida George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CHSC52047  Monardella odoratissima subsp. pallida L. P. Janeway 1989-7-28 3534 Sierra Plumas National Forest. Slopes between Haskell Pk and hwy 89/ Sulfur Cr. 2179 Comment
  CHSC67838  Monardella odoratissima subsp. pallida James D. Jokerst 1989-7-14 3141 B Sierra 1. 25 mi SW of Balls Ranch on rocky knob W of dirt road. 2042 Comment
  SEINET10699809  Monardella odoratissima subsp. pallida Karen M. Meyer, Andrew Townesmith 2007-7-17 Meyer 131 Sierra Tahoe National Forest. 1.0 mi. up road toward Lake of the Woods, off road 07. 2191 Comment
  UC54596  Monardella odoratissima subsp. pallida H. M. Hall and E. B. Babcock July 1903 4582 Sierra Near Sierraville; Sierra Nevada Mountains 1524 Comment
  CAS-BOT-BC222155  Monardella odoratissima subsp. pallida W. Harnach; N. Harnach 1989-7-1 214 Sierra Sierra Valley. Sattley Hill 1524 Comment
  CAS-BOT-BC222157  Monardella odoratissima subsp. pallida John Thomas Howell; Gordon H. True 1970-7-14 5554 Sierra Verdi Peak Road, ca. 1.5 miles below Lookout 2438 Comment
  CDA40790  Monardella odoratissima subsp. pallida Jim Jokerst 1989-7-14 3135 Sierra Balls Ranch Surveys. Adjacent to Staverville Rd. in Balls Canyon ca. 0.33 mi east of Balls Ranch. Comment
  SEINET5333327  Monardella odoratissima subsp. pallida P. B. Kennedy, Samuel Bradford Doten 1901-7-12 165 Sierra [Sierra Nevada] Webber Lake Comment
  JEPS124560 Image available Monardella villosa subsp. sheltonii Joe Ammirati 1964-6-25 112 Sierra Goodyear Bar turnoff on Highway 49 4 miles from Downieville. Comment
  UCD99121  Monolepis nuttalliana A. M. Shapiro 1993-6-12 s.n. Sierra 1.2 m. N of Sierraville. 1519 Comment
  CAS-BOT-BC444749  Montia chamissoi Rimo Bacigalupi 1927-7-4 1604 Sierra Along banks of north fork of Yuba River 2 miles west of Yuba Pass 1920 Comment
  CAS-BOT-BC444755  Montia chamissoi W. Harnach; N. Harnach 1989-5-13 081 Sierra Sierra Valley. Martinetti Ranch (Elvers). 1517 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-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
  CAS-BOT-BC445057  Montia linearis Catherine Best 1982-7-10 711 Sierra Near the Little Truckee River about 15 mi. northwest of Truckee. Comment
  CAS-BOT-BC445058  Montia linearis M. Nakagawa 1980-5-17 44 Sierra Hwy 49, 10 miles E of Sierraville 1584 Comment
  JEPS25518  Montia linearis Rimo Bacigalupi with Lincoln Constance 1959-6-15 7129 Sierra just sw of Sierraville (Sierra Valley); Sierra Valley 1511 Comment
  UCD101759  Montia linearis F. A. MacFadden 1934-6-29 s.n. Sierra Truckee River, 13 miles from Truckee on Reno Road via Hobart Mills. Comment
  RSA0035520  Montia parvifolia George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-5 20759 Sierra Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CAS-BOT-BC267035  Muhlenbergia filiformis Margaret Williams 1972-8-27 s.n. Sierra Near Worn Mill on Boca - Stampede Dam Road, 6.2 miles N of Boca 1737 Comment
  CAS-BOT-BC267037  Muhlenbergia filiformis Lowell Ahart 1977-8-2 s.n. Sierra Found on the N side of Mount Fillmore, on the N side of Mount Fillmore 2000 Comment
  HSC47818  Muhlenbergia filiformis Michael A. Watkins 1978-9-20 128 Sierra Foothills of the Sierra Nevada Mtns., 10 mi. NW of Johnsville on property of the Cowell Mine Comment
  SEINET4672132  Muhlenbergia filiformis P. B. Kennedy, S. B. Doten 1901-7-23 2126 Sierra Lincoln Valley Comment
  UC1609031  Muhlenbergia filiformis Lowell Ahart 1993-9-24 7252 Sierra n side of mt about 3/4 mi s dirt road from Gibsonville to Johnsville (w side of a poor dirt road that ends at a stream); Mount Fillmore 2133 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
  SEINET4690105  Muhlenbergia richardsonis W. Harnach, N. Harnach 2000-9-9 1007 Sierra 1 mile east of Calpine and 0.75 miles north of Calpine Road (home). 1503 Comment
  SEINET10960376  Muhlenbergia richardsonis John G. Lemmon 1874-1 Lemmon 220 Sierra Comment
  UCD84075  Myosurus apetalus Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra County. Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  CAS-BOT-BC83241  Myosurus minimus R. K. Gierisch; D. H. Esplin 1969-6-27 3501 Sierra Tahoe Forest. 2133 Comment
  SJSU4153  Myosurus minimus C. W. Sharsmith & Wayne Savage 1967-5-20 7525 Sierra 3 mi W of Loyalton, Sierra Valley 1508 Comment
  SD9585  Myriopteris gracillima J. G. Lemmon 1876-1-8 Sierra Sierra Valley [County a guess, near Sierraville, says Andy Sanders ] Comment
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Jul 11 2010
  SD9593  Myriopteris gracillima J. G. Lemmon Jul 1880 Sierra Mountains around Webber Lake 2440 Comment
  CHSC92042  Navarretia capillaris Lowell Ahart 2005-8-30 12360 Sierra East of Pass Creek, about 100 yards southeast of the falls on Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2073 Comment
  UCD37164  Navarretia intertexta subsp. intertexta Beecher Crampton 1957-7-24 4406 Sierra 3 miles northeast of Sattley. Sierra Valley. Comment
  CHSC44004  Navarretia leptalea subsp. bicolor L. P. Janeway 1984-8-12 1000 Sierra At second switchback (to the SE) down from Packers Saddle. Meadow. 1965 Comment
  UC774948  Navarretia leptalea subsp. bicolor Carl B. Wolf 1937-8-6 9058 Sierra se Gold Lake (Church Meadows); Northern Sierra Nevada, , se of Gold Lake 2042 Comment
  UCD106162  Navarretia leptalea subsp. bicolor F. A. MacFadden 1934-6-29 s.n. Sierra Truckee River, 13 miles from Truckee on rd. toReno via Hobart Mills. Comment
  UC54536  Navarretia leptalea subsp. leptalea H. M. Hall and E. B. Babcock July, 1903 4470 Sierra Sierra Valley Sierra Nevada Mountains, Sierra Valley 1524 Comment
  SD241922  Navarretia leucocephala subsp. minima Ayzik Solomeshch 2009-6-8 Sierra Sierra County: Sierra Valley, Roen Ranch, along Westside Road, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Road. 1493 Comment
  UC1124122  Navarretia leucocephala subsp. minima H. S. Yates 1935-6-29 5267 Sierra 5.25 mi nne Sattley; Sierraville Quad. 1493 Comment
  UCR224673  Navarretia leucocephala subsp. minima Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra Valley, Harvey Ranch, along Westside Road, c. 1 km north of the intersection of Westside Road and Calpine Road, c. 200 m west of Westside Road 1498 Comment
  UCR242986  Navarretia leucocephala subsp. minima 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
  OBI2929  Navarretia leucocephala subsp. minima L. S. Rose 1968-6-9 68082 Sierra Sattley. 1524 Comment
  RSA642565  Navarretia leucocephala subsp. minima Stan C. Spencer 1994-7-14 4714 -31 Sierra From Calpine E ca. 1 mi. (0.1 mi. W of junction of Calpine and Beckwourth roads Comment
  UC605026  Nemophila maculata Hartweg 1868-1 358 Sierra Sacramento Mountains northern Sierra Nevada foothills, Sacramento Mountains (probably on the South Fork Yuba River, Northern Sierra Nevada foothills, along rivulets) Comment
  POM76022  Nemophila parviflora var. austiniae Lincoln Constance 1938-6-9 2304 Sierra E side of Yuba Pass, 2.4 miles NW of Sattley. 1524 Comment
  JEPS126014  Nemophila pedunculata William Harnach 2013-5-1 1338 Sierra Goodyears Bar. 3.2 miles South of Highway 49 on Mountain House Road at the water trough. Comment
  SEINET5521097  Nemophila pedunculata W. Harnach, N. Harnach 1989-4-15 024 Sierra Sierra Valley, Sierra-Plumas County line on road A-23 1524 Comment
  UC606980  Nemophila pedunculata L. Constance 1938-6-9 2303 Sierra 2.4 mi nw Sattley (e side of Yuba Pass); e side Yuba Pass 1524 Comment
  SJSU12211  Nemophila pedunculata N. A. Hopkins 1981-5-8 1008 Sierra 1.5 mi SW of Calpine 1524 Comment
  UC1125139  Nicotiana attenuata G. T. Nordstrom 1936-7-13 935 Sierra 3.8 mi se Dog Valley; Sierraville Quad. 1524 Comment
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Jun 6 2014
  CAS-BOT-BC60561  Noccaea fendleri subsp. glauca Lowell Ahart 1975-6-28 s.n. Sierra Sierra Nevada. 2 miles east of Gibsonville. 1981 Comment
  CHSC110263  Nothocalais alpestris L. P. Janeway 2012-6-24 10911 Sierra Northern High Sierra Nevada. Top of Sawmill Ridge 45 m south-west of Gibsonville-Johnsville Road, 2.3 km northwest of Mt Fillmore. 1882 Comment
  SEINET11602196 Image available Nothocalais troximoides J. C. Baker 1996-4-24 s.n. Sierra Ball's Canyon 1707 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
  UCD110238  Notholithocarpus densiflorus var. echinoides J. M. Tucker 1974-9-14 4336 Sierra Across the road from, and near the main entrance to Rose Ranch, ca. 8 miles (by road) northeast of Strawberry Valley (in Yuba County), on Sierra-Yuba county line. 1371 Comment
  CAS-BOT-BC400064  Nuphar polysepala H. Albert Barker 1926-7-20 142 Sierra Summit Lake 2072 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
  CHSC59675  Oreostemma alpigenum var. andersonii L. P. Janeway 1992-8-26 4292 Sierra Plumas National Forest. 1.1 mi northeast of Haskell Peak, 1 mi southeast of Haskell Ravine, 0.9 mi northwest of Chapman Saddle. 2148 Comment
  JEPS31966  Oreostemma alpigenum var. andersonii W. L. Jepson 1934-8-2 16810 Sierra 2 mi e Bassett Sta. (Pioneer Road Sta.); North Fork Yuba River 1706 Comment
  UC1999913  Oreostemma alpigenum var. andersonii J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-13 9318 Sierra Yuba Pass; National Forest Campground. Comment
  UCR230725  Orobanche uniflora George K. Helmkamp, E. A. Helmkamp 2011-6-9 17539 Sierra Northern Sierra Nevada Mountains Foothills, 5.9 miles north of Camptonville along CA-49, about 1.2 miles northeast of the Yuba Co. line 899 Comment
  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
  CAS-BOT-BC458067  Orthilia secunda Anna Head 1921-7-23 s.n. Sierra Feather River Region, shores of Gold Lake Comment
  CAS-BOT-BC458068  Orthilia secunda H. Albert Barker 1928-7-4 36 Sierra Packer Lake 1981 Comment
  SJSU12272  Orthocarpus cuspidatus subsp. cryptanthus N. A. Hopkins 1984-7-22 1222 Sierra by rd to Babbitt Peak, Bald Mt Range 2621 Comment
  UCD21010  Orthocarpus cuspidatus subsp. cryptanthus E. Bortiri 2002-7-3 WFC 58 Sierra Perazzo Meadows, Sierra Co. Comment
  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
  SEINET9369157  Osmorhiza berteroi Unknown 2009-5-28 14863 Sierra Sierra Nevada Mountains Foothills: above the Yuba River along CA-49, 2.3 miles N of the Yuba Co. line (Strawberry Valley 7.5' Q). Coniferous forest on a steep slope. Common; on an open roadside flat. Comment
  RSA7997  Osmorhiza occidentalis H. A. Barker 1927-7-6 785 Sierra Gold Lake 1982 Comment
  CHSC61795  Oxyria digyna Lowell Ahart 1993-9-10 7212 Sierra On talus, on the north side of Mount Fillmore, about 1 1/2 miles south of the dirt road from Gibsonville to Johnsville. 2286 Comment
  JEPS37317  Packera pauciflora L. S. Smith 1928-7-22 2497 Sierra Tahoe National Forest, Webber Lake Webber Lake; Tahoe National Forest, Webber Lake 2042 Comment
  CAS-BOT-BC317126  Packera streptanthifolia var. streptanthifolia L. S. Smith 1928-7-22 2497 Sierra Webber Lake along stream 2042 Comment
  CAS-BOT-BC383093  Paeonia brownii Andrew Townesmith; Karen M. Meyer 2007-7-16 820 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 5.7 miles east of junction with county road 860. At pull out for Kyburz Marsh Wildlife Viewing Area 1931 Comment
  UCD88190  Panicum acuminatum var. fasciculatum A. A. Beetle 1944-8-17 3056 Sierra North fork of Yuba River, 8 miles below Downieville. Comment
  UCD88556  Panicum acuminatum var. fasciculatum Freed W. Hoffman 1946-6-11 1840 Sierra Yuba River near San Juan (Cartrights). 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
  CDA5495  Pastinaca sativa T. C. Fuller 1962-6-14 9019 Sierra South side of Highway 49 to Downieville, west limits of Sierra City. 0 Comment
  CHSC63172  Pectiantia breweri Lowell Ahart 1994-7-1 7431 Sierra South of the larger pond, steep rocky slope on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles northeast of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  JEPS125802  Pectiantia breweri William Harnach 2011-7-20 1250 Sierra South side of the North fork of the Yuba River, approximately 1/4 mile East of the Sierra Nevada Field Campus. Comment
  JEPS10365  Pedicularis densiflora L. S. Smith 1926-4-12 1759 Sierra Rebel Ridge Range; Tahoe Forest 701 Comment
  UCR60810  Pedicularis groenlandica B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-28 975 Sierra Tahoe National Forest, Yuba Pass, on Hwy 49 2043 Comment
  SEINET13752101  Pedicularis groenlandica P. B. Kennedy, S. B. Doten 1901-7-5 95 Sierra Webber Lake Comment
  UC1563296  Pedicularis racemosa V. Oswald, L. Ahart, and L. Hanson 1990-8-14 4438 Sierra 0.5 air mi ne of Scales (e side of Forest Road 20N35) 1310 Comment
  RSA8046  Pedicularis semibarbata H. A. Barker 1927-7-23 832 Sierra Deer Lake. 2165 Comment
  SJSU12099  Pellaea brachyptera N. A. Hopkins 1972-10-28 481 Sierra along trail to Haypress Canyon near Wild Plum Creek 1524 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
  CHSC61911  Pellaea bridgesii Lowell Ahart 1993-9-24 7255 Sierra West of the poor dirt road that ends at a stream and east of the stream on the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  JEPS95339  Pellaea bridgesii Lowell Ahart 1994-7-1 7439 Sierra 11 air miles NE of Alleghany (W side of the larger pond, N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, 1 1/2 mi NE of Middlewaters) 1889 Comment
  UC1609403  Pellaea bridgesii Lowell Ahart 1993-9-24 7255 Sierra e of stream on n side of Mt Fillmore (w of the poor dirt rd that ends at a stream, about 3/4 mi s of dirt rd from Gibsonville to Johnsville) 2133 Comment
  CAS-BOT-BC71263  Pellaea bridgesii Lowell Ahart 1983-10-27 4469 Sierra north side of Milton Res., near Jackson Meadow Res. 1800 Comment
  SEINET11713805  Pellaea bridgesii J. G. Lemmon 1874-1 225 Sierra Sierra Co., &c. Comment
  UC335731  Penstemon azureus var. azureus J. G. Lemmon Sierra Webber Lake Comment
  NY571155  Penstemon azureus var. azureus M. J. Williams 1977-7-26 7748- 3 Sierra Independence Lake 2118.4 Comment
  NY571203  Penstemon azureus var. azureus J. G. Lemmon 1874-1 155 Sierra 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
  NY590174  Penstemon davidsonii var. davidsonii J. G. Lemmon 1875-1 217 Sierra Comment
  RSA412526  Penstemon deustus Robert Gustafson 1985-6-12 3160 Sierra Hwy 49, ca 2 miles below Yuba Pass summit. 2012 Comment
  UC169159  Penstemon deustus J. G. Lemmon 1875-1 221 Sierra Comment
  RSA135978  Penstemon deustus subsp. deustus Arthur R. Kruckeberg 1954-8-2 3684 Sierra About lookout, Sierra Buttes, Tahoe National Forest. 2621 Comment
  RSA285584  Penstemon deustus subsp. deustus D. C. Michener 1981-7-16 4014 Sierra Sierra Nevada. Sierra Buttes area. Between Upper and Lower Sardine Lakes. Comment
  RSA285705  Penstemon deustus subsp. deustus D. C. Michener 1981-7-16 4013 Sierra CA 89, 2.9 miles southeast of jct in Sierraville. Comment
  RSA7940  Penstemon deustus subsp. deustus H. A. Barker 1927-07 778 Sierra Gold Lake. Comment
  NY591830  Penstemon deustus var. pedicellatus F. W. Pennell 1940-6-12 25846 Sierra Route 89, along Little Truckee River, Sierraville 1889.8 Comment
  NY609824  Penstemon deustus var. suffrutescens L. Constance 1938-6-8 2294 Sierra Junction of North and South Forks of the North Fork of the Yuba River at Sierra City 1371.6 Comment
  SD61125  Penstemon gracilentus Darley F. Howe 1964-7-28 3886 Sierra 5.5 mi. so. of Gold Lake Lodge, Tahoe Nat. Forest 1829 Comment
  SEINET4207742  Penstemon gracilentus Margaret J. Williams 1983-8-7 83- 133 -1 Sierra Verdi Ridge above Dog Valley.; 0 2316 Comment
  UC65848  Penstemon gracilentus P. B. Kennedy and S. B. Doten 1901-7-8 135 Sierra Webber Lake Comment
  NY600706  Penstemon gracilentus C. B. Wolf 1937-8-6 9062 Sierra Northern Sierra Nevada, 1/2 mile northeast of Gold Lake 1920.2 Comment
  NY600729  Penstemon gracilentus J. G. Lemmon 1874-1 152 Sierra Comment
  NY600737  Penstemon gracilentus C. Best 1983-8-29 868 Sierra Growing on the road above Packers Lake 1950.7 Comment
  POM202944  Penstemon gracilentus L. S. Rose 1934-7-12 34351 Sierra Gold Lake 1951 Comment
  SD103785  Penstemon gracilentus Darley F. Howe 1978-7-16 Sierra Along highway 89, 10 miles north of Truckee 1951 Comment
  SFV3433  Penstemon gracilentus G. Dickinson 1964-7-9 s. n. Sierra Sierra Nevada State Highway 49, about 1 mile east of Yuba Pass summit. Comment
  UC886900  Penstemon gracilentus Lewis S. Rose 1934-7-1 34299 Sierra nw Gold Lake; nw of Gold Lake 2103 Comment
  RSA401781B  Penstemon newberryi Robert Gustafson 1985-6-12 3159 Sierra Hwy 49, ca 2 miles below Yuba Pass summit. 2012 Comment
  CAS-BOT-BC239325  Penstemon newberryi var. berryi H. Albert Barker 1926-7-3 34 Sierra Packer Lake 1981 Comment
  CAS-BOT-BC239327  Penstemon newberryi var. berryi Mrs. E. C. Sutliffe 1927-6-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC239328  Penstemon newberryi var. berryi Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  JEPS15095  Penstemon newberryi var. newberryi J. G. Lemmon Sierra Gold Lake Comment
  UC335589  Penstemon newberryi var. newberryi J. G. Lemmon 1889-6-6 Sierra Gold Lake 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
  UC336297  Penstemon roezlii J. G. Lemmon 1877-8-30 209 Sierra side of Downieville Buttes Sierra Valley, side Downieville Buttes Comment
  UC54632  Penstemon roezlii H. M. Hall and E. B. Babcock Jul 1903 4485 Sierra Lower Sardine Lake Sierra Nevada Mountains, Lower Sardine Lake 1828 Comment
  POM14662  Penstemon roezlii H. M. Hall, E. B. Babcock 1903-07 4485 Sierra Lower Sardine Lake. 1829 Comment
  CAS-BOT-BC239626  Penstemon rydbergii var. oreocharis W. R. Dudley 1894-8-31 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC239632  Penstemon rydbergii var. oreocharis Forest Sheehan 1970-6-10 s.n. Sierra Near Scales 1371 Comment
  NY651268  Penstemon rydbergii var. oreocharis F. W. Pennell 1940-6-12 25832 Sierra Route 89, north of Sattley 1493.5 Comment
  NY651269  Penstemon rydbergii var. oreocharis F. W. Pennell 1940-6-12 25843 Sierra Route 89, along Little Truckee River, Sierraville 1889.8 Comment
  UC1523835  Penstemon rydbergii var. oreocharis Ric Villasenor L. 1986-6-21 Sierra meadow areas on slopes w Smith Neck Creek (Loyalton); on slopes w of Smith Neck Creek, Loyalton Comment
  UC335718  Penstemon rydbergii var. oreocharis J. G. Lemmon Aug. 1874 Sierra Webber Lake and Peak Comment
  UCSB16093  Penstemon rydbergii var. oreocharis Breedlove, Dennis 1962-6-13 Sierra 1.5 miles north of Sierraville on State Highway 89 1524 Comment
  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
  CDA12300  Penstemon speciosus G. F. Hrusa 1991-7-4 8566 A Sierra Sierra Valley; Antelope Valley, approx. 1.5 miles from Sierraville Rd. Comment
  UC1602342  Penstemon speciosus H. M. Hall and E. B. Babcock July, 1903 4513 Sierra Gold Lake Sierra Nevada Mountains, Gold Lake 1950 Comment
  UC335608  Penstemon speciosus J. G. Lemmon Aug. 1874 Sierra Webber Lake Comment
Read comments
Mar 20 2006
  UC406900  Penstemon speciosus Leland S. Smith 1928-6-30 2449 Sierra Yuba Pass Yuba Pass (on e slope in cut) 1981 Comment
  UCR270425  Penstemon speciosus John F. Emmel 2000-6-9 1655 Sierra Northern Sierra Nevada Mountains, Henness Pass Road, 1.1-1.2 road miles northwest of junction with Sunrise Creek Road 1646 Comment
  POM194863  Penstemon speciosus D. D. Keck 1928-6-13 434 Sierra 6.7 miles west of Sierraville on Yuba Pass road. 1982 Comment
  RSA185399  Penstemon speciosus Clare B. Hardham 1961-6-15 7390 -C Sierra Yuba Pass. Comment
  RSA7877  Penstemon speciosus H. A. Barker 1957-7-3 762 Sierra Grade between Gold Lake and Blairsden. 1677 Comment
  NY661059  Penstemon speciosus subsp. speciosus D. D. Keck 1928-6-13 434 Sierra 6.7 miles west of Sierraville on Yuba Pass road. 1981.2 Comment
  CDA38516  Perideridia bolanderi W. E. Simonds 1960-7-4 s.n. Sierra Webber Lake. 0 Comment
  SEINET12119288  Perideridia gairdneri J. G. Lemmon 1874-1 s.n. Sierra Sierra Co., &c Comment
  UCSB27030  Perideridia gairdneri Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of California State Highway 49, on road to Graeagle, Sierra Buttes, Sierra Nevada 1981 Comment
  UC1389945  Perideridia lemmonii John Weiler 1963-7-18 63323 Sierra 1.8 mi ne junction with Calpine road (near small stream); Sierra Valley Comment
  JEPS12304  Perideridia lemmonii W. L. Jepson 1918-8-17 8041 Sierra Sierra Valley 1524 Comment
  UCD127880  Perideridia lemmonii E. E. Grissell 1971-7-24 s.n. Sierra 6 miles north of Sattley. Comment
  CAS-BOT-BC222769  Perideridia parishii John Thomas Howell 1969-9-13 46137 Sierra Near the southwest end of Webber Lake 2072 Comment
  HSC95641  Perideridia parishii subsp. latifolia L. P. Janeway, Eric Schroder 1997-8-20 5358 Sierra Church Meadows, about 1.5 mi. E of Gold Lake 2043 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
  CHSC45473  Persicaria maculosa Lowell Ahart 1976-10-1 1215 Sierra On a pile of road gravel along the edge of Ridge Road, about 3 miles east of Highway 49, about 3 miles south of Camptonville. 914 Comment
  SEINET5764748  Phacelia hastata var. hastata W. Harnach, Nancy Harnach 1990-6-30 452 Sierra Sierra Valley, Yuba Pass 2042 Comment
  UCR249639  Phacelia hastata var. hastata George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20783 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.7 miles west of Goodyears Bar, c. 11 miles NE of Yuba Co. line 793 Comment
  CHSC37225  Phacelia heterophylla subsp. virgata L. Ahart 1982-7-28 3597 Sierra On dry bare rocky soil in a loose rock slide area, ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  RSA718376  Phacelia heterophylla subsp. virgata L. Ahart 2006-6-21 12847 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany. 849 Comment
  SEINET5521014  Phacelia humilis W. Harnach, N. Harnach 1990-5-28 333 Sierra Sierra Valley, W of Loyalton, Balderson Ranch (Antelope Valley) 1554 Comment
  SJSU12203  Phacelia humilis N. A. Hopkins 1984-7-29 1219 Sierra near Babbitt Peak fire lookout station, Bald Mt Range 2651 Comment
  SJSU14284  Phacelia humilis N. A. Hopkins 1989-7-1 1553 Sierra by rd between Yuba Pass & Webber L c. 1.5 mi N of Henness Pass Rd 2072 Comment
  UCSB16013  Phacelia humilis Breedlove, Dennis 1962-6-13 Sierra Along Little Truckee River, 10.0 miles south of Sierraville on State Highway 89; Sierra Nevada 1950 Comment
  RSA427998  Phacelia humilis var. humilis Fay A. MacFadden 1934-6-29 12546 Sierra Little Truckee River, 13 miles from Hobart Mills on old road to Reno. Comment
  CHSC56549  Phacelia hydrophylloides L. P. Janeway 1984-7-29 948 Sierra Near F.S. Road 28 (21N11) ca 3 1/2 mi from Gold Lake; ridgetop saddle. 2225 Comment
  JEPS117446  Phacelia mutabilis Lowell Ahart 2010-9-15 17162 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
  SBBG22446  Phacelia mutabilis H. and M. Dearing 1939-7-4 Sierra Gold Lake Comment
  UC66014  Phacelia mutabilis P. B. Kennedy and S. B. Doten 1901-7-8 131 Sierra near Webber Lake Comment
  UCSB16009  Phacelia mutabilis 1962-6-13 Sierra Bank of Little Truckee River, 11.3 miles south of Sierraville on State Highway 89; Sierra Nevada 1905 Comment
  RSA10356  Phacelia mutabilis H. A. Barker 1926-7-2 28 Sierra Packer Lake Creek. 1982 Comment
  SEINET10837214  Phacelia mutabilis Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4477 Sierra Near a dirt road that is ca. 2 mi se of Jackson Meadow Reservoir, ca. 1 mi s of Pass Creek, near Jackson Meadow Reservoir. Red Fir Forest; 2200 m. 2200 Comment
  SJSU13914  Phacelia mutabilis N. A. Hopkins 1986-6-30 1336 Sierra on bald ridge 2158 Comment
  JEPS110044  Phacelia procera Lowell Ahart 2006-6-21 12847 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany 849 Comment
  JEPS95548  Phacelia procera Lowell Ahart 1994-7-1 7428 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
  SEINET5506863  Phacelia procera P. B. Kennedy, S. B. Doten 1901-7-23 207 Sierra Lincoln Valley Comment
  UC66017  Phacelia procera P. B. Kennedy and S. B. Doten 1901-7-23 207 Sierra Lincoln Valley Comment
  CHSC110768  Phacelia racemosa Dean Wm. Taylor 2011-8-10 21152 Sierra Sierra Nevada. Henness Pass Road 2 miles East of Keystone Gap. 2072 Comment
  JEPS118492  Phacelia racemosa Lowell Ahart 2011-9-23 17701 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.siz 2016 Comment
  JEPS21165  Phacelia ramosissima G. T. Nordstrom 1936-7-9 908 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  CAS-BOT-BC133857  Phacelia ramosissima var. eremophila W. Harnach; N. Harnach 1990-6-10 349 Sierra Sierra Valley. 1524 Comment
  UC572462  Phacelia ramosissima var. subglabra G. T. Nordstrom 1936-7-9 908 Sierra 2 1/4 mi nw Dog Valley; Sierraville Quadrangle 213 Comment
  CHSC37233  Phacelia vallicola L. Ahart 1982-7-28 3690 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  JEPS124098  Phacelia vallicola Lowell Ahart 2015-5-9 20160 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  LA83561  Philadelphus lewisii O. H. Kappler; 1946-7-20 1334 Sierra North Fork, Yuba River 822 Comment
  SEINET7249322  Philadelphus lewisii George K. Helmkamp, Elizabeth Helmkamp 2013-1 Sierra Comment
  CAS-BOT-BC250781  Phleum alpinum D. E. Breedlove 1962-6-12 3521 -A Sierra Along the Little Truckee River, on State Hwy. 89, 10.0 miles south of Sierraville 1950 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
  SEINET4889149  Phleum pratense W. Harnach, N. Harnach 1990-7-12 472 Sierra Sierra Valley, approx 1.4 mile west of the Sierraville rodeo grounds on County road 1524 Comment
  SJSU12044  Phlox diffusa N. A. Hopkins 1969-7-12 278 Sierra 0.25 mi NE of Packer L 1828 Comment
  UCD118405  Phlox diffusa R. O. Hanes 1991-6-2 38 Sierra Road to Kyburz Flat. Tahoe Forest. 1926 Comment
  UC354491  Phlox gracilis David D. Keck 1928-6-13 433 Sierra se of Sierraville (s side of Sardine Point, along Lemmon Canyon road); Sardine Point 1889 Comment
  UC908447  Phlox gracilis Herbert L. Mason 1924-6-18 1059 Sierra 1 mi from Gold Lake (near Plumas-Sierra County line) 1981 Comment
  SEINET10496950  Phlox gracilis Heidi H. Schmidt 1993-6-13 Schmidt 846 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Sagebrush flats, meadow. 1650 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
  SJSU4141  Phoenicaulis cheiranthoides C. W. Sharsmith & W. Savage 1967-5-21 7534 Sierra 2.5 mi NE of Sierraville, Sierra Valley 1524 Comment
  SEINET10327082  Phoradendron juniperinum W. Harnach 1993-11-20 762 Sierra Ca 3 miles E of Yuba Pass on Hwy 49, on old logging spur road. 1768 Comment
  SEINET12230340  Phoradendron villosum F. H. Utech 1986-1 86 -052 Sierra Tahoe National Forest, Wild Plum Recreation Area, ca 2 mi E of Sierra City on CA 49 1350 Comment
  CAS-BOT-BC58242  Phyllodoce breweri Roxana S. Ferris 1926-9-7 6848 Sierra Summit of Ebbets Pass. Comment
  CHSC43519  Phyllodoce breweri Lowell Ahart 1976-10-11 1219 Sierra Meadow on the north side of Mount Fillmore, about 12 miles north-east of La Porte. 2133 Comment
  RSA8041  Phyllodoce breweri H. A. Barker 1927-7-20 826 Sierra Squaw Lake. 2012 Comment
  UCD117727  Phyllodoce breweri Gerald Dickinson 1963-7-14 94 Sierra Young America Lake, 2 miles due north of Sierra City, State Highway 49. 2377 Comment
  SEINET7270770  Phyllodoce breweri C. M. Beckwith 1903-7-1 s.n. Sierra Sierra City Comment
  CAS-BOT-BC78486  Pinus contorta subsp. murrayana William R. Dudley 1894-6-7 s.n. Sierra Near Donner Lake Comment
  CDA905  Pinus contorta var. murrayana D. G. Kelch, A. R. Smith, A. G. Murdock, Ruth Kirkpatrick 2006-6-21 6 .299 Sierra Above Sardine Lake on road to Sierra Butte. Comment
  SEINET11528634  Pinus contorta var. murrayana P. Lehenbauer 1936-10-4 s.n. Sierra Gold Lake. Comment
  SEINET5334633  Pinus jeffreyi C. N. Saulisberry 1949-5-18 s.n. Sierra Dog Valley road, 2 miles past Nevada-California state line in California Comment
  HSC1509  Pinus lambertiana R. G. Means 1962-6-19 1 Sierra Old Independence Lake Rd. 2.5 mi. N of Sagehen Creek Project Rd. 2104 Comment
  UC336031  Pinus lambertiana unknown 1875-1 Sierra Mt. Hermosa Mt. Hermosa (above Sierra Valley) Comment
Read comments
Mar 6 2011
  UC336036  Pinus lambertiana J. G. Lemmon and wife Sierra Webber Lake Comment
  SEINET11610465  Pinus lambertiana P. A. Lehenbauer 1936-10-4 s.n. Sierra Gold Lake Comment
  JEPS46831  Pinus monophylla Stephen N. Wyckoff 1920-9-12 Sierra Loyalton 1828 Comment
  NY61955  Pinus monticola J. G. Lemmon 1874-1 s.n. Sierra This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY579174  Pinus washoensis D. A. Charlet 1997-4-8 2375 Sierra Sierra Nevada, Little Truckee River drainage, on west shoulder of State Highway 89, 0.3 road mile N of Kyburz Flat Road. Elev. 6280 ft. 1915 Comment
  RSA244722  Pinus washoensis J. T. Howell, Gordon H. True 1970-7-14 5498 Sierra Crystal Peak Loop Road ca. 0.5 mile west of Dog Valley Road near Dog Valley Campground. 1951 Comment
  JEPS125731  Piperia transversa William Harnach 2015-7-22 1433 Sierra Union Flat Campground. 0.16 miles on Forest Road 93 from Highway 49. Comment
  UC186973  Piperia unalascensis C. F. Sonne Jul 1888 Sierra Bear Valley Truckee River Comment
  CAS-BOT-BC228033  Plagiobothrys W. Harnach; N. Harnach 1989-6-18 156 Sierra Sierra Valley. Calpine Ranch (home) 1501 Comment
  UCD84126  Plagiobothrys cusickii Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  UC1063808  Plagiobothrys hispidulus H. S. Yates 1935-6-29 5294 Sierra Church Meadows Downieville Quad., Church Meadows Comment
  CAS-BOT-BC228231  Plagiobothrys hispidulus Lowell Ahart 1983-10-27 4483 Sierra Near a dirt road that is ca. 2 miles SE of Jackson Meadows Res., Ca. 1 mile S of Pass Cr., near Jackson Meadows Res. 2200 Comment
  SD102778  Plagiobothrys hispidulus Darley Howe 1978-7-16 Sierra Along highway 89 ca. 12.3 miles north of Truckee. 1920 Comment
  SJSU8036  Plagiobothrys hispidulus N. A. Hopkins 1978-6-7 915 Sierra c. 2 mi NW of Sattley 1524 Comment
  UC1586494  Plagiobothrys scouleri Lowell Ahart 1991-7-22 6688 Sierra about 3 mi nw Webber Lake (about 0.25 mi s of Henness Pass Road); French Meadow 2133 Comment
  SEINET12345214  Plagiobothrys torreyi J. G. Lemmon 1874-1 167 Sierra Sierra Co. &c Comment
  UCR12029  Plantago lanceolata Coleta A. Lawler 1968-6-27 98 Sierra Sierra Nevada Mtns, 4 mi. west of Downieville, Hwy 49 at junction with Goodyears Bar Creek Road 832 Comment
  SCFS2390  Plantago lanceolata B. Corwin 1964-6-25 91 Sierra S side of Hwy 49, 2 mi E of Downieville 914 Comment
  SCFS2392  Plantago lanceolata N. Rechen 1964-6-25 67 Sierra 3 mi E of Goodyear's Bar on Hwy 49 914 Comment
  JEPS64401  Platanthera leucostachys W. L. Jepson 1934-8-6 16872 Sierra s Sierraville; Cold Creek 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
  UCR249137  Poa annua George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20755 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  UC34012  Poa bolanderi C. F. Sonne 1892-8-7 4 Sierra Webber Lake; Sierra Nevada Mts Comment
  CAS-BOT-BC254989  Poa bulbosa John Thomas Howell 1962-6-18 37831 Sierra Sattley 1524 Comment
  JEPS16712  Poa bulbosa Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4268 Sierra near Calpine; Sierra Valley 1493 Comment
  CAS-BOT-BC255104  Poa compressa Catherine Best 1984-6-19 1016 Sierra Sardine Lake Comment
  CHSC94199  Poa compressa Lowell Ahart 2006-6-21 12801 Sierra On the west side of the Foote Road, near Blue Ravine, about 3 miles (by road) southwest of Alleghany. 1053 Comment
  UCD90848  Poa compressa Beecher Crampton 1957-7-24 4411 Sierra 4 miles northeast of Sattley. Gordon Van Vleck Ranch, Sierra Valley. Comment
  SEINET7749861  Poa cusickii P. A. Lehenbauer 1935-5-25 s.n. Sierra Sierra Valley Comment
  UCD90932  Poa cusickii subsp. epilis Beecher Crampton 1958-6-24 4941 Sierra along the Little Truckee River, 12 miles south of Sierraville. 1828 Comment
  SEINET7826783  Poa fendleriana K. R. Genz 1979-5-21 9105 Sierra Upper Long Valley, West of Long Valley road on old Railroad grade which goes to Purdy Creek 1798 Comment
  SEINET7836593  Poa fendleriana P. A. Lehenbauer 1937-6-8 s.n. Sierra 25 mi. W. of Reno, on Truckee river, at Iceland. S. side of river by falls. 1676 Comment
  SEINET7838559  Poa fendleriana K. E. Bradshaw 1942-5-20 KB 403 Sierra 3 miles Southwest of Purdy, Old Trosi Ranch 1676 Comment
  CHSC80995  Poa palustris Lowell Ahart 2001-8-10 9072 Sierra Wet road gutter, on the east side of Hobart Mills Road, about 100 feet west of the power pole, about 1 mile (air) south of Stampede Reservoir. 1798 Comment
  CAS-BOT-BC247429  Poa pratensis Catherine Best 1980-6-12 s.n. Sierra Herringtons, Sierra City Comment
  CAS-BOT-BC247430  Poa pratensis H. M. Hall; E. B. Babcock 1903-7-1 4479 Sierra Sierra Valley 1524 Comment
  CAS-BOT-BC247431  Poa pratensis Javier Penalosa 1962-6-20 2519 Sierra Little Truckee R. at Hwy. 89 1905 Comment
  UCD38318  Poa pratensis Beecher Crampton 1954-5-10 1857 Sierra 2.5 miles west of Sattley. Along Hwy. 49. 1676 Comment
  CAS-BOT-BC237653  Poa secunda L. S. Smith 1927-6-2 56751 Sierra Ball Mountain Ridge, E of Loyalton Comment
  CDA11890  Poa secunda G. F. Hrusa, J. Jokerst 1991-7-5 8550 A Sierra Sierra Valley Region; Antelope Valley, about Golden Dome. 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-BC236291  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5408 Sierra Sierra Valley, 1.5 miles N of Sattley, on Feather River road 1524 Comment
  UCD84210  Poa secunda subsp. juncifolia 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-BC243206  Poa secunda subsp. secunda John Thomas Howell; Gordon H. True 1970-7-14 5506 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  CAS-BOT-BC243212  Poa secunda subsp. secunda David D. Keck 1944-7-8 5411 Sierra Sierra Valley, 1.5 miles N of Sattley, on Feather River Road 1524 Comment
  CHSC44585  Poa secunda subsp. secunda Lowell Ahart 1977-8-2 1511 Sierra Near the road to the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1828 Comment
  CHSC44589  Poa secunda subsp. secunda Lowell Ahart 1978-6-4 1757 Sierra On the road cutbank along the Foote Road, about 4 miles south of Alleghany. 1219 Comment
  CHSC61904  Poa secunda subsp. secunda Lowell Ahart 1993-9-10 7185 Sierra On the west side and near the end of a poor dirt road that leads to a camp and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  JEPS87483  Poa secunda subsp. secunda Lowell Ahart 1993-9-10 7185 Sierra ca 1 mi sw of dirt rd from Gibsonville to Johnsville (n side of Mt Fillmore, w side and near end of dirt rd that leads to a camp and stream) 2133 Comment
  UC593543  Poa secunda subsp. secunda E. B. Babcock and G. L. Stebbins 1936-6-3 1626 Sierra ca 3 1/2 mi ne Sierraville (on rd to Loyalton, Newman Point); se edge Sierra Valley 1600 Comment
  UCD90464  Poa secunda subsp. secunda Collector Unknown Date Unknown s.n. Sierra Sierra Valley. Comment
  UCD90779  Poa secunda subsp. secunda Beecher Crampton 1954-5-10 1852 Sierra 7 miles NE of Camptonville, S slope of N Yuba River, Hwy 49. Comment
  SEINET7861940  Poa secunda subsp. secunda K. R. Genz 1979-5-23 9118 Sierra Turning south at forest boundary and Long Valley Road, travel Mitchell Canyon Road for 2.3 miles. 1817 Comment
  CHSC53162  Polemonium californicum L. P. Janeway 1989-8-18 3605 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. Near creek. 2072 Comment
  CHSC54580  Polemonium californicum Lowell Ahart 1991-7-22 6694 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  SEINET13762924  Polemonium californicum P. B. Kennedy 1901-7-2 86 Sierra On little Truckee 1 mile east of Webber Lake Comment
  SEINET13762969  Polemonium californicum P. B. Kennedy 1901-7-2 86 Sierra On little Truckee 1 mile east of Webber Lake Comment
  CHSC64331  Polemonium occidentale H. H. Schmidt; M. Merello, L. Woodruff 1993-6-13 853 Sierra Tahoe National Forest on state highway 89. 1.7 miles N of Sierraville. Meadow near water. (Original lat./long. on label is '39 35 75 N; 120 23 88 W'). 1650 Comment
  UCD109720  Polygala cornuta Collector Unknown 1925-6-29 407 Sierra Downieville. Comment
  CAS-BOT-BC170324  Polygala cornuta var. cornuta Carl B. Wolf 1937-8-6 9044 Sierra Northern Sierra Nevada, No. Fork of Yuba River, 2 1/2 mi. above Downieville 975 Comment
  SEINET4335261  Polygonum P. B. Kennedy, S. B. Doten 1901-7-8 112 Sierra NE of Webber Lake Comment
  SEINET4337882  Polygonum aviculare subsp. aviculare W. Harnach, N. Harnach 1990-7-29 480 Sierra Sierra Valley approx. 1/4 mile south of the Plumas-Sierra county line on county road A-23 Comment
  PASA1501  Polygonum bistortoides Margaret Stason 1932-6-21 427 Sierra Near hobart Mills Comment
  SEINET4337858  Polygonum douglasii W. Harnach, N. Harnach 1989-6-27 184 Sierra Sierra Valley, Calpine Ranch (home). 1506 Comment
  CAS-BOT-BC414582  Polygonum douglasii Lowell Ahart 1983-10-27 4478 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
  SEINET10871693  Polygonum douglasii Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4478 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
  SJSU12087  Polygonum douglasii N. A. Hopkins 1974-8-5 598 Sierra near Packer L 1889 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
  JEPS118419  Polygonum douglasii subsp. douglasii Lowell Ahart 2011-9-23 17710 Sierra Growing on a gravel bar on the south side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2015 Comment
  UC1586484  Polygonum douglasii subsp. douglasii Lowell Ahart 1991-7-22 6678 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  JEPS83271  Polygonum douglasii subsp. spergulariiforme J. D. Jokerst 1985-7-22 2521 Sierra ca 1/2 mi w Westside road (w edge of valley, ca 1.5 mi nnw of Calpine); Sierra Valley 1524 Comment
  RSA466403  Polygonum kelloggii Fay A. MacFadden 1934-6-29 12542 Sierra Little Truckee River Comment
  CAS-BOT-BC419843  Polygonum parryi John Thomas Howell 1955-7-20 30882 Sierra Near Calpine. In low place in Sierra Valley. 1508 Comment
  JEPS50644  Polygonum phytolaccifolium W. L. Jepson 1934-8-2 16797 Sierra Pioneer road sta. North Fork Yuba River (2 mi e of Bassett sta.) 1706 Comment
  UCD84214  Polygonum polygaloides subsp. confertiflorum 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
  UCR242988  Polygonum polygaloides subsp. confertiflorum Ayzik Solomeshch 2009-6-8 s.n. Sierra Sierra Valley, Roen Ranch, along Westside Road, c. 2 km north of intersection of Westside Road and Calpine Rd., [then] c. 1 km east of Westside Road 1493 Comment
  CAS-BOT-BC419870  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1976-7-16 51929 Sierra 2 miles north of Sattley. 1524 Comment
  CAS-BOT-BC419871  Polygonum polygaloides subsp. confertiflorum Catherine Best 1984-6-19 1011 Sierra Sierra Valley on Hwy A23 .5 miles south of Plumas Co. Comment
  CAS-BOT-BC419914  Polygonum polygaloides subsp. kelloggii Javier Penalosa 1962-6-20 2515 Sierra Little Truckee R. at Hwy. 89. 1905 Comment
  CAS-BOT-BC419962  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1934-7-10 34345 Sierra Ridge W. of Gold Lake 2133 Comment
  CAS-BOT-BC420173  Polygonum sawatchense subsp. sawatchense John Thomas Howell; Gordon H. True 1970-7-14 5550 Sierra Verdi Peak Road ca. 1 mile below Lookout. 2499 Comment
  CHSC56866  Polygonum shastense L. P. Janeway; Garrett Gibson 1991-8-16 4140 Sierra Plumas National Forest. Beckwourth Ranger District. Haskell Compartment. Northeast side of top of ridge between Mills Peak and Mohawk Gap; ca 1 1/4 mi southeast of Mills Peak. 2237 Comment
  JEPS50592  Polygonum shastense J. G. Lemmon 1872-2 222 Sierra Webber Peak Comment
  CAS-BOT-BC421056  Polygonum spergulariiforme Margaret Williams 1976-8-29 76 -106 Sierra Road from Dog Valley Summit to Hobart Mills, turn to Verdi Peak. 1828 Comment
  SJSU12081  Polygonum spergulariiforme N. A. Hopkins 1983-8-30 1166 Sierra c. 1 mi SW of Calpine, Sierra Valley 1524 Comment
  UCR230984  Polystichum imbricans George K. Helmkamp, E. A. Helmkamp 2011-6-9 17543 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
  CAS-BOT-BC72371  Polystichum kruckebergii D. Showers 1980-10-5 DS 4432 Sierra 1/2 mile southwest of Mtn. Mine, Sierra Buttes 2377 Comment
  SEINET10896400  Polystichum lonchitis Francis P. Daniels 1878-1 Daniels UMO 32155 Sierra Sierra Valley. 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
  SEINET10538871  Populus balsamifera subsp. trichocarpa Heidi H. Schmidt 1993-6-12 Schmidt 845 Sierra Tahoe National Forest. Road to Weber Lake. 6.4 miles W of state highway 89. 1970 Comment
  UCR564  Populus tremuloides Frank C. Vasek 1955-6-26 s.n. Sierra Sierra Nevada Mtns., Hwy 89, 15 mi. north of Truckee, Tahoe National Forest 2000 Comment
  UCD110718  Populus trichocarpa R. O. Hanes 1992-9-28 96 Sierra Lemmon Cyn. 1706 Comment
  JEPS3590  Porterella carnosula Herbert L. Mason 1952-7-19 14439 Sierra 1.5 mi e Calpine (near junction of Sierraville-Beckwith road and Calpine road, Sierra Valley); Sierra Valley Comment
  SEINET10873431  Porterella carnosula F. A. MacFadden 1934-6-29 MacFadden 12541 Sierra Little Truckee River, 13 miles from Hobart Mills on old road to Reno Comment
  SEINET3812422 Image available Porterella carnosula Herbert L. Mason 1953-7-19 14439 Sierra Margins of marshy pond 1.5 miles E os Calpine near junction of Sierraville-Beckwith road and Calpine road, Sierra Valley Comment
  SEINET8040796  Porterella carnosula H. L. Mason 1952-7-19 14439 Sierra Sierra Valley, margins of marshy pond 1.5 miles E of Calpine, near junction of Sierraville-Beckwith road and Calpine road. Comment
  UCSB9836  Porterella carnosula Mason, Herbert; Sweeney, J. 1953-7-7 Sierra Just 1 mile east; of Calpine, Sierra Valley 1493 Comment
  SJSU5108  Potamogeton foliosus M. D. Fleschner 1965-7-15 Sierra 1 mi N of Sattley on the Sattley-Calpine (Beckwourth)Rd., Sierra Valley 1493 Comment
  JEPS113955  Potamogeton foliosus subsp. foliosus W. and N. Harnach 2000-8-23 985 Sierra Sierra Valley 1.5 miles west of Sierraville, CA on highway 49. Strang pond. Comment
  UCD138307  Potamogeton gramineus P. B. Schultz 1967-7-8 56 Sierra 0.3 mile west of Sattley - Beckwourth road, on road to Calpine. 1493 Comment
  CHSC43999  Potamogeton natans L. P. Janeway 1984-8-25 1058 Sierra Snag Lake. Near shore. 2026 Comment
  UCR12046  Potamogeton natans Coleta A. Lawler 1968-7-2 169 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
  CAS-BOT-BC267225  Potamogeton praelongus W. R. Dudley 1894-8-1 s.n. Sierra In Weber Lake 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
  SEINET11916230  Potentilla breweri var. expansa J. G. Lemmon 1874-1 64 Sierra Sierra Co., &c., Comment
  SEINET11916389  Potentilla fruticosa J. G. Lemmon 1874-1 = Sierra Sierra Co., &c., Comment
  UC638724  Potentilla gracilis Ethel Crum 1947-8-6 1941 Sierra shore of Webber Lake 2042 Comment
  CAS-BOT-BC541014  Potentilla gracilis var. fastigiata Alice Eastwood 1918-6-29 7868 Sierra Loyalton Comment
  CAS-BOT-BC541016  Potentilla gracilis var. fastigiata H. C. Cantelow 1951-7-23 12 Sierra Near Sierraville Comment
  SEINET6637144  Potentilla gracilis var. fastigiata B. Hildebrand 1946-6-15 57 Sierra Vicinity of Calpine 1585 Comment
  UC1368483  Potentilla millefolia R. K. Gierisch 1969-6-25 3482 Sierra Saddle Meadow Tahoe National Forest, Saddle Meadow 1950 Comment
  SJSU13901  Potentilla millefolia N. A. Hopkins 1985-6-18 1280 Sierra McPherrin Meadow c. 1 mi NW of Calpine, Sierra Valley 1524 Comment
  CHSC81050  Potentilla rivalis Lowell Ahart 2001-8-10 9073 Sierra Strand of Stampede Reservoir, about 1 mile southwest of Henness Pass Road, about 1 1/4 miles northwest of Stampede Reservoir Dam. 1810 Comment
  CAS-BOT-BC47623  Primula suffrutescens Lowell Ahart 1976-10-11 s.n. Sierra On the north side of Mt. Fillmore 2286 Comment
  CHSC25503  Primula suffrutescens L. Ahart 1977-8-2 Sierra The plants cover about an acre just left of the rock slide and just above the meadow on the n side of Mt. Fillmore, ca. 12 mi ne of La Porte. 2300 Comment
  CHSC85292  Primula suffrutescens John Dittes; Lowell Ahart 2003-9-28 839 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; upslope of small drainage and uppermost stringer meadow. 2206 Comment
  SEINET11994963  Primula suffrutescens J. G. Lemmon 1874-1 145 Sierra Comment
  RSA7939  Prunus emarginata H. A. Barker 1926-7-25 s.n. Sierra West side of Gold Lake 1982 Comment
  RSA8033  Prunus emarginata H. A. Barker 1927-7-5 775 Sierra Gold Lake. 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
  UCD38336  Prunus emarginata Beecher Crampton 1954-5-11 1895 Sierra 1 miles west of Bassett's, along Hwy. 49. Comment
  UC1128492  Prunus subcordata A. Lewis 1934-8-5 522 Sierra Loganville 1310 Comment
  CAS-BOT-BC151224  Prunus virginiana var. demissa W. Harnach; N. Harnach 1989-5-9 074 Sierra Sierra Valley, Newman Point (Rice on map) 1524 Comment
  JEPS124554 Image available Prunus virginiana var. demissa Dixie Funnell 1965-6-29 51 Sierra Union flat campground, off highway 4. Comment
  SEINET7452454  Prunus virginiana var. demissa P. A. Lehenbauer 1937-6-8 71 Sierra 25 mi. W of Reno, NV on Truckee R. at Iceland, S side of river by falls. 1676 Comment
  SEINET7452675  Prunus virginiana var. demissa P. A. Lehenbauer 1937-6-8 53 Sierra 25 miles W of Reno, Nevada, on Truckee River at Iceland, S side of river, near falls. 1676 Comment
  CAS-BOT-BC357402  Pseudognaphalium microcephalum Margaret Williams 1972-8-27 s.n. Sierra Merrill Valley just north of Stampede Dam 2011 Comment
  CHSC53132  Pseudognaphalium thermale L. P. Janeway 1989-8-23 3628 Sierra Plumas National Forest. Midslope, between ridge and Hwy 89; near Sulphur Cr, ca 3 mi E of Haskell Pk. 1965 Comment
  CHSC23018  Pseudostellaria jamesiana Robert A. Schlising 1964-7-11 2737 Sierra Off Hwy 49, along trail to Bear Trap Meadow and along Lunch Creek, short distance west of Yuba Pass. Comment
  UC1070078  Psilocarphus brevissimus var. brevissimus H. S. Yates 1935-6-28 5268 Sierra 5.25 mi nne Sattley; Sierraville Quad. 1493 Comment
  RSA7942  Pteryxia terebinthina var. californica H. A. Barker 1927-7-23 833 Sierra Gold Lake 1982 Comment
  UCD21961  Purshia tridentata Brian Vanden Heuvel 2002-7-7 167 Sierra Tahoe National Forest. 3.5 miles South of Sierraville on CA 89, west side of road. 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-BC147886  Purshia tridentata var. tridentata Lowell Ahart 1979-7-15 s.n. Sierra South-east of Stafford Mtn. Above the road from La Porte to Johnsville 1800 Comment
  RSA232648  Purshia tridentata var. tridentata Larry E. DeBuhr, Gary D. Wallace 1972-5-21 582 Sierra Jct of Hwys 89 and 49. Tahoe National Forest. Comment
  UC1128532  Purshia tridentata var. tridentata G. T. Nordstrom 1936-7-9 916 Sierra 2.25 mi nnw Dog Valley; Sierraville Quad. 2133 Comment
  CHSC36286  Pycnanthemum californicum M. S. Taylor; R. Wessel 1982-8-20 5031 Sierra At Big Springs (Lavezolla fountain) on w side of Hwy 49, ca. 3 air mi ne of Sierra City. Comment
  CAS-BOT-BC462794  Pyrola dentata Gordon H. True 1967-7-31 3688 Sierra Verdi Peak Road, 3.7 miles below summit 2133 Comment
  CHSC53044  Pyrola picta L. P. Janeway 1989-8-10 3570 Sierra Plumas National Forest. Haskell Pk overlooking Hwy 89/Sulphur Cr. 2133 Comment
  UC1121057  Pyrola picta A. Lewis 1934-5-7 500 Sierra 2 2/10 mi ne of Poverty Hill (Plumas National Forest); Plumas National Forest 1584 Comment
  UC334229  Pyrola picta J. G. Lemmon Sierra along the Sierra, Webber Lake Webber Lake; Sierra, Webber Lake Comment
  CAS-BOT-BC466123  Pyrola picta Anna Head 1920-7-26 s.n. Sierra Feather River Region, near Gold Lake Camp 2011 Comment
  RSA151643  Pyrrocoma apargioides R. C. Bacigalupi, H. L. Mason, J. R. Sweeney 1953-7-8 4298 Sierra Along road to Beckwourth, from Calpine, Sierra Valley. 1463 Comment
  SJSU13993  Pyrrocoma lanceolata var. lanceolata N. A. Hopkins 1988-8-9 1463 Sierra c. 4 mi W of Loyalton, Sierra Valley 1493 Comment
  CAS-BOT-BC328154  Pyrrocoma lucida John Thomas Howell 1955-7-20 30879 Sierra Near Calpine, Sierra Nevada 1508 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
  CHSC67225  Quercus chrysolepis James D. Jokerst 1991-7-1 3323 Sierra Golden Dome Mine Project Site in the S end of Antelope Valley, E of Sierra Valley, E flank of the 'Astrodome'. Comment
  JEPS124690 Image available Quercus chrysolepis Reinhard Jockel 1969-6-27 7 Sierra Roadside highway 49. Just E of Goodyears bar turnoff. On step slope between road and N fork Yuba RIver. 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
  JEPS115073  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
  UCD46604  Quercus kelloggii P. B. Schultz 1967-6-30 31 Sierra 2 miles east of Downieville, Sierra County, California. 929 Comment
  CAS-BOT-BC104612  Quercus vacciniifolia George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  RSA11910  Quercus vacciniifolia Elmer I. Applegate 1921-9-7 3379 Sierra Gold Lake. 2134 Comment
  RSA135952  Quercus vacciniifolia Arthur R. Kruckeberg 1954-8-2 3676 Sierra Along shores of Tamarack Lake 2 mi. e. of Sierra Buttes. Tahoe National Forest. 2287 Comment
  UC848339  Quercus vacciniifolia Lewis S. Rose 1934-7-12 34349 Sierra Gold Lake 1950 Comment
  CDA35620  Quercus vacciniifolia J. R. Keck Jr. 1978-6-29 PDR# 330068 Sierra Sierraville; Treasure Mtn. Rd., U. S. Forest Service Land. 0 Comment
  RSA96074  Quercus vacciniifolia Percy C. Everett, E. K. Balls 1954-10-8 20250 Sierra Hwy 49, North Fork of Yuba River about 13 miles east of Downieville, west of new road to Gold Lake, at Bassett. 1494 Comment
  CHSC63117  Raillardella argentea Lowell Ahart 1994-7-1 7436 Sierra On the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 2011 Comment
  JEPS87651  Raillardella argentea Lowell Ahart 1994-7-1 7436 Sierra n side of Henness Pass Rd e Keystone Mountain (about 1 1/2 mi ne of Middlewaters, about 11 air mi ne of Alleghany); Keystone Gap 2011 Comment
  CHSC57268  Raillardella scaposa L. P. Janeway 1984-8-11 978 Sierra Northwest of Sierra Buttes. 2316 Comment
  UC1258303  Ranunculus Nancy Morin July 1978 270 Sierra Bear Valley Rd Kyburz Flat Comment
  UC1477430  Ranunculus Nancy Morin July 1978 274 Sierra Bear Valley Rd Kyburz Flat Comment
  CHSC73428  Ranunculus alismifolius var. alismellus B. Castro; L. Gehrung, H. Durio 1995-9-14 636 Sierra Mt. Fillmore Mdws: Mdw 1. Ca 0.6 air mi SW of the top of Mt. Fillmore, and ca 0.5 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. Series of 4 meadows on NW-facing midslope terrace of mtn. 2103 Comment
  CAS-BOT-BC379453  Ranunculus alismifolius var. alismellus R. K. Wellman 1981-5-16 38 Sierra Yuba Pass of Highway 49 2042 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
  SEINET8693797  Ranunculus alismifolius var. hartwegii W. Harnach, N. Harnach 1989-3-30 011 Sierra Sierra Valley, E of Calpine, Calpine Ranch (home). 1509 Comment
  RSA8014  Ranunculus alismifolius var. hartwegii H. A. Barker 1927-6-22 721 Sierra Gold Lake. 1954 Comment
  CAS-BOT-BC379218  Ranunculus aquatilis John Thomas Howell 1962-6-18 37837 Sierra Sattley 1524 Comment
  SD234163  Ranunculus aquatilis Virginia Pinkus Ryder 1967-5-21 516 Sierra Sierraville. North of town growing in water in valley floor. 1493 Comment
  CAS-BOT-BC379067  Ranunculus aquatilis var. diffusus Lowell Ahart 1980-9-9 2615 Sierra near Webber Lake 488 Comment
  CAS-BOT-BC379070  Ranunculus aquatilis var. diffusus Margaret Williams 1972-8-27 s.n. Sierra near Worn Mill on Boca-Stampede Dam road, 6.2 mi north of Boca 1737 Comment
  SJSU4025  Ranunculus aquatilis var. diffusus C. W. Sharsmith & Wayne Savage 1967-5-20 Sierra in drainage of open meadow land 1 mi N of Sattley, Sierra Valley 1493 Comment
  SJSU12170  Ranunculus cymbalaria N. A. Hopkins 1976-6-22 840 Sierra 0.5 mi N of Sattley, Sierra Valley 1524 Comment
  UCD96121  Ranunculus flammula var. ovalis Collector unknown 1929-7-26 s.n. Sierra Lusk Meadow, Salmon Lake. Comment
  SEINET5338690  Ranunculus glaberrimus var. ellipticus P. A. Lehenbauer 1924-3-15 827 Sierra Balls Canyon, NW of Reno. Comment
  SJSU6443  Ranunculus occidentalis N. A. Hopkins 1971-6-14 384 Sierra near rd to Lemon Canyon, 1.5 mi SE of Sierraville 1584 Comment
  SJSU6448  Ranunculus occidentalis N. A. Hopkins 1971-6-14 385 Sierra near rd to Lemon Canyon, 1.5 mi SE of Sierraville 1584 Comment
  SEINET8700141  Ranunculus occidentalis var. occidentalis W. Harnach, N. Harnach 1989-5-9 063 Sierra Sierra Valley, 0.5 E of Calpine, Calpine Ranch. 1506 Comment
  UC1477469  Ranunculus orthorhynchus var. orthorhynchus Nancy Morin July 1978 272 Sierra Bear Valley Rd Kyburz Flat Comment
  CHSC66820  Rhamnus alnifolia Vernon H. Oswald; Lowell Ahart 1996-8-19 8239 Sierra Northern High Sierra Nevada. S side of Little Truckee River Bridge on the road to Independence Lake, just S of Forest Rt. 07 and ca. 1 mi W of Hwy 89. 1950 Comment
  RSA88511  Rhamnus rubra J. T. Howell 1951-8-21 28279 Sierra W side of Yuba Pass 1524 Comment
  CAS-BOT-BC56589  Rhododendron columbianum Lowell Ahart 1969-8-14 s.n. Sierra Near Baltimore Lake 2133 Comment
  CHSC54561  Rhododendron neoglandulosum Lowell Ahart 1991-7-22 6671 Sierra On the east side of the dirt road, near a small hydrolic mine, near Burlington, about 1 mile north-east of Harris Meadow, about 1-1/4 miles north-east of Granite Mountain. 1828 Comment
  UC1121101  Rhododendron occidentale A. Lewis 1934-8-12 530 Sierra Tahoe National Forest, Sierra buttes Sierra buttes; Tahoe National Forest, Sierra buttes 1676 Comment
  UC329957  Ribes Lemmon 1889-6-5 Sierra near Gold Lake Comment
  JEPS95837  Ribes aureum var. aureum Lowell Ahart 1999-7-26 8128 Sierra about 7 miles (air) east of Webber Lake; Little Truckee River; 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
  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-BC108763  Ribes cereum Margaret Williams; Arnold Tiehm s.n. Sierra Meadow near Cold Creek Campground, southeast of Sierraville. 1737 Comment
  SEINET5339534  Ribes cereum S. B. Doten 1901-7-1 66 Sierra [Sierra Nevada] Near Webber Lake Comment
  UCD160673  Ribes cereum var. cereum Kai Battenberg; Alison M. Berry, Jannah Wren 2015-6-26 KB- 13 Sierra Collected in Sagehen Creek Field Station. Off of Sage Hen Road. 600m West from Sagehen Creek Field Station. 1944 Comment
  SJSU14249  Ribes montigenum N. A. Hopkins 1989-8-29 1579 Sierra below Coburn L, Berry Cr drainage, c. 5 mi S of Yuba Pass 2255 Comment
  CAS-BOT-BC219258  Ribes nevadense Jean L. Pawek 1956-5-22 57 Sierra Highway 49, just above Sierra City 1219 Comment
  SEINET5339732  Ribes nevadense P. A. Lehenbauer 1937-6-8 94 Sierra 25 mi w of Reno, on Truckee River, at Iceland, Sierra Co., s. side of river by falls 1676 Comment
  JEPS49183  Ribes roezlii W. L. Jepson 1934-8-3 16836 Sierra 2 mi e Bassetts sta. (Pioneer road sta.); North Fork Yuba River 1706 Comment
  UCD38338  Ribes roezlii Beecher Crampton 1954-5-11 1897 Sierra 2 miles east of Sierra City. Along Hwy 49. 1341 Comment
  SEINET5339780  Ribes roezlii P. A. Lehenbauer 1937-6-8 79 Sierra 25 mi. w. of Reno, NV, on Truckee Rivers, at Iceland, S. side of river by falls 1676 Comment
  CAS-BOT-BC186283  Ribes roezlii var. roezlii L. S. Smith 1926-4-12 1761 Sierra Tahoe National Forest, Rebel Ridge, Camptonville District 701 Comment
  UC1127592  Ribes velutinum G. T. Nordstrom 1936-7-9 914 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  NY455581  Ribes viscosissimum J. G. Lemmon 1874-1 s.n. Sierra Comment
  SEINET12220408  Ribes viscosissimum J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  CAS-BOT-BC74666  Rorippa curvisiliqua Betty J. jorgensen 1944-6-22 481 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  UCD84064  Rorippa curvisiliqua Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra County. Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  UCD84129  Rorippa curvisiliqua Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  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
  UCR53697  Rosa canina B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 865 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
  CHSC53217  Rosa gymnocarpa L. P. Janeway 1989-8-24 3631 Sierra Plumas National Forest. Along the SE side of McNair Mdw; ca 1 mi W of Calpine L.O. 1630 Comment
  CHSC94167  Rosa gymnocarpa Lowell Ahart 2006-6-21 12841 Sierra On the east side of the road, about 3 1/2 miles (by road) northwest of Forest. 1421 Comment
  SEINET11920500  Rosa gymnocarpa F. H. Utech 1990-6-5 90 -880 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  CHSC64661  Rosa woodsii subsp. ultramontana H. H. Schmidt; M. Merello, L. Woodruff 1993-6-13 850 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Meadow. Roadside. [Latitude and longitude on label says '39 degrees 35' 75' N; 120 degrees 23' 88' W]. 1650 Comment
  UC1128610  Rosa woodsii var. ultramontana G. T. Nordstrom 1936-7-9 930 Sierra 2 mi nw Dog Valley; Tahoe National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC147181  Rubus parviflorus H. Albert Barker 1926-7-3 54 Sierra Packer Lake Creek 1953 Comment
  UC1128635  Rubus parviflorus A. Lewis 1934-7-3 494 Sierra 1 mi sw Port Wine; Plumas National Forest, Downieville Quad. Comment
  CAS-BOT-BC363220  Rudbeckia occidentalis Carl B. Wolf 1937-8-6 9051 Sierra Northern Sierra Nevada, No. Fork of Yuba River, 5 mi. above Downieville 1066 Comment
  CHSC412  Rudbeckia occidentalis V. Holt 1942-7-23 Sierra Downieville. 914 Comment
  OBI15547  Rudbeckia occidentalis Carl B. Wolf 1937-8-6 9051 Sierra Northern Sierra Nevada, No. fork of Yuba River, 5 mi Above Downieville 1067 Comment
  CAS-BOT-BC363221  Rudbeckia occidentalis Catherine Best 1979-6-14 s.n. Sierra Hwy. 49, 3 miles east of Downieville Comment
  UCR206989  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2009-5-28 14843 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.6 miles north of the Yuba County line 902 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
  CHSC105775  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
  UC1070534  Rumex salicifolius var. triangulivalvis E. Sawyer 1935-6-28 246 Sierra 5.25 mi nne Sattley; Sierraville Quad. 1493 Comment
  CAS-BOT-BC434322  Rumex triangulivalvis John Thomas Howell 1955-7-20 30878 Sierra Near Calpine 1508 Comment
  SEINET8917201  Sagittaria cuneata W. Harnach 2013-7-27 1374 Sierra Along Meadow Lake Road (S of Webber Lake), 3.25 miles S of Jackson Meadows Road. 2164 Comment
  UC965634  Sagittaria cuneata Herbert L. Mason 1952-7-17 14373 Sierra on Highway 89, 0.4 mi s Little Truckee River; Sierra Nevada, s of Little Truckee River 1920 Comment
  CAS-BOT-BC102840  Salix boothii L. S. Smith 1931-6-12 12 Sierra Tahoe National Forest, Babbit Springs near Babbit L.O. 2133 Comment
  CAS-BOT-BC102841  Salix boothii L. S. Smith 1931-6-12 10 Sierra Tahoe National Forest, Babbit Springs road to Babbit L.O. 2133 Comment
  CAS-BOT-BC102848  Salix boothii W. R. Dudley 1900-6-21 5473 Sierra Webber Lake to Sierraville head of Sierraville Brook Comment
  UC449850  Salix boothii L. S. Smith 1931-6-12 2562 Sierra along rd. to Babbitt Lookout Babbitt Spring; Tahoe Nat'l Forest, Sierraville District 2133 Comment
  HSC100745  Salix breweri Lowell Ahart 2010-9-15 17172 Sierra N edge of first pond, S side of road and W of the cabin at the spring, 2 3/4 (air) mi. N of Yuba Pass on Hwy. 49, 4 (air) mi. E of Haskell Peak. 2135 Comment
  CAS-BOT-BC103458  Salix eastwoodiae John Thomas Howell 1951-8-21 28276 Sierra Yuba Pass 2042 Comment
  CAS-BOT-BC103638  Salix eastwoodiae W. R. Dudley 1900-6-20 5412 Sierra west side of Webber Lake Comment
  CAS-BOT-BC103644  Salix eastwoodiae W. R. Dudley 1900-6-21 5417 Sierra West side of Webber Lake Comment
  CAS-BOT-BC103646  Salix eastwoodiae W. R. Dudley 1900-6-21 5406 Sierra north end of Webber Lake Comment
  CHSC66821  Salix eastwoodiae Vernon H. Oswald; Lowell Ahart. 1996-8-19 8220 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.5 mi S of the road to Haypress Valley. 2194 Comment
  RSA237992  Salix eastwoodiae Frederick W. Oettinger 1969-7-14 1017 -a 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
  UC337809  Salix eastwoodiae unknown Aug. 1875 Sierra Webber Lake Comment
  CAS-BOT-BC103759  Salix exigua D. E. Breedlove 1962-6-13 3521 Sierra along the Little Truckee River, 10.0 miles south of Sierraville on State Highway 89; Sierra Nevada 1950 Comment
  UC1134882  Salix geyeriana N. French 1934-10-18 545 Sierra Little Truckee R. Tahoe Nat'l Forest, Truckee Quadrangle Comment
  UCD110807  Salix geyeriana R. O. Hanes 1992-9-28 91 Sierra Cottonwood Ck. 1889 Comment
  CHSC105777  Salix laevigata Lowell Ahart 2010-9-15 17187 Sierra On the northwest edge of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CAS-BOT-BC125435  Salix lasiandra var. lasiandra Alice Eastwood 1918-6-29 7921 Sierra Loyalton Comment
  CAS-BOT-BC125437  Salix lasiandra var. lasiandra G. Earle Kelley 1919-1-1 s.n. Sierra Salmon Lake Comment
  SJSU10095  Salix lasiandra var. lasiandra H. T. Shishido 1961-5-20 Sierra confluence Milton Cr & Haypress Cr 1 mi SE of Sierra City 1249 Comment
  SJSU12146  Salix lasiandra var. lasiandra N. A. Hopkins 1976-6-21 819 Sierra Packer L 1889 Comment
  JEPS125720  Salix lasiolepis William Harnach 2015-8-19 1441 Sierra Basset's station, intersection of Highway 49 and the Gold Lake Road. Comment
  CAS-BOT-BC124522  Salix lasiolepis var. lasiolepis Alice Eastwood 1918-4-6 6787 Sierra Downieville Comment
  CAS-BOT-BC124873  Salix lemmonii Gordon H. True 1971-9-7 7057 Sierra Mt. Lola Trail in Cold Stream Canyon 2103 Comment
  CHSC105691  Salix lemmonii Lowell Ahart 2010-9-15 17174 Sierra On the north edge of the first pond, south side of the road and west of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  HSC100747  Salix lemmonii Lowell Ahart 2010-9-15 17174 Sierra N edge of first pond, S side of road and W of the cabin at the spring, 2 3/4 (air) mi. N of Yuba Pass on Hwy. 49, 4 (air) mi. E of Haskell Peak. 2135 Comment
  JEPS117441  Salix lemmonii L. Ahart 2010-9-15 17174 Sierra North edge of the first pond, South side of the road & 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
  RSA774124  Salix lemmonii L. Ahart 2010-9-15 17174 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
  SEINET10412553  Salix lemmonii S. B. Doten 1901-7-2 78 Sierra Webber Lake. Comment
  CAS-BOT-BC125114  Salix ligulifolia W. R. Dudley 1900-6-21 5470 Sierra Webber Lake to Sierraville by trail at head of Sawmill [Canon] Canyon Comment
  JEPS93041  Salix prolixa George W. Argus 1996-7-27 Sierra on Hwy 89 about 13 mi n I-80; Sierraville Comment
  CHSC47486  Salix scouleriana Lowell Ahart 1978-7-29 1795 Sierra On the north side of Mount Fillmore, about 12 miles north-east of La Porte. 2103 Comment
  RSA233776  Salix scouleriana Robert F. Thorne, C. W. Tilforth 1969-9-6 39216 Sierra Goose Lake, SE of Gold Lake. 1951 Comment
  UC337817  Salix scouleriana unknown 1885-1 Sierra near Turner's Sawmill Turner's Sawmill; Sierra Valley Comment
  JEPS99005  Sambucus mexicana Rolf W. Benseler 1997-7-14 621 Sierra North of Ground Hog Rock, Tahoe National Forest Comment
  CAS-BOT-BC238873  Sambucus nigra subsp. caerulea H. Albert Barker 1926-7-16 234 Sierra Gold Lake - west side 1981 Comment
  CAS-BOT-BC236473  Sambucus racemosa subsp. racemosa L. S. Smith 1925-8-31 1718 Sierra Trail to Hackel Peak, Tahoe Forest 2133 Comment
  SEINET8060183  Sambucus racemosa var. racemosa P. B. Kennedy, S. B. Doten 1901-7-23 204 Sierra Lincoln Valley. Comment
  JEPS16746  Sanguisorba annua Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4272 Sierra along roadside near Calpine (Sierra Valley); Sierra Valley 1493 Comment
  RSA151635  Sanguisorba annua Rimo Bacigalupi, H. L. Mason, J. R. Sweeney 1953-7-7 4272 Sierra Near Calpine, Sierra Valley. 1494 Comment
  RSA491807  Sanguisorba minor B. Pitzer, S. Morgan, H. Soldan 1988-5-27 890 Sierra Above Ramshorn Campground, on Hwy 49. Ca 15 miles NE of Camptonville and ca 5 miles W of Downieville. 823 Comment
  JEPS125686  Sanicula bipinnatifida William Harnach 2013-4-25 1311 Sierra !.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  CHSC63110  Sanicula graveolens Lowell Ahart 1994-7-1 7443 Sierra On the north side of the larger pond, steep rocky slope on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  SBBG61239  Sanicula graveolens J. G. Lemmon -- Sierra Sierra Valley Comment
  CHSC66522  Sanicula tuberosa Lowell Ahart 1996-7-25 7689 Sierra South of the old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  JEPS51513  Saponaria officinalis W. L. Jepson 1934-7-30 16780 Sierra near Sierra City; near Sierra City Comment
  SEINET10684084  Sarcodes sanguinea Karen M. Meyer, Andrew Townesmith 2007-7-17 Meyer 129 Sierra Tahoe National Forest. 1.0 mi. up road toward Lake of the Woods, off road 07. 2191 Comment
  CAS-BOT-BC466229  Sarcodes sanguinea Miss Michener 1893-8-1 s.n. Sierra Unspecified Comment
  CHSC57402  Sceptridium multifidum L. P. Janeway 1984-8-25 1089 Sierra Small shallow lake just southwest of Snag Lake. 2026 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
  JEPS124679 Image available Schoenoplectus acutus var. occidentalis J. Yamanaka 1965-7-6 103 Sierra 1.4 mile from junction Beckworth Rd. and Hw 89 at Sattley. Comment
  CAS-BOT-BC111223  Scirpus W. Harnach; N. Harnach 1990-6-6 336 Sierra Sierra Valley, Martinetti Ranch 1517 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
  JEPS100366  Scirpus congdonii Dean W. Taylor 2001-6-6 17773 Sierra headwaters of Rock Creek in vicinity of Union Hill-Scales; fen along Forest Road 35, Plumas National Forest 1341 Comment
  RSA252389  Scirpus congdonii Robert F. Thorne, C. W. Tilforth 1969-9-6 39200 Sierra Moist margin of Haven Lake (between Goose and Snag Lakes). 1951 Comment
  SEINET7592334 Image available Scirpus congdonii Lewis S. Rose 1934-1 34383 Sierra W. of Gold Lake 2134 Comment
  SJSU10215  Scirpus congdonii C. W. Sharsmith 1983-6-8 8796 Sierra midway between Marvin Ranch & Scales 1341 Comment
  CAS-BOT-BC111088  Scirpus microcarpus Gladys L. Smith 1959-6-19 1223 Sierra Lower Sardine Lake. 1828 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
  CDA11872  Scrophularia lanceolata G. F. Hrusa, J. Jokerst 1991-7-5 8533 A Sierra Sierra Valley Region; Antelope Valley. 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
  JEPS82074  Sedum obtusatum subsp. boreale Paul C. Hutchison and Rimo Bacigalupi 1983-8-9 8445 Sierra 12 mi by logging road n Downieville (Saddleback Mtn., bottom of road to lookout just w of summit, large shale outcrop on crest, nw-facing slopes); Saddleback Mtn., n of Downieville 1798 Comment
  CAS-BOT-BC363274  Senecio aronicoides Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
  CHSC59171  Senecio clarkianus Vernon H. Oswald; Linnea Hanson, Sam van der Kloet, Kathy van Zuuk 1992-9-4 5196 Sierra Harris Meadow, E of Granite Mtn., SSE of Downieville. 1706 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
  CAS-BOT-BC363801  Senecio integerrimus D. E. Breedlove 1962-6-13 3481 Sierra Along State Hwy. 89, 10.7 miles north of Sierraville 1615 Comment
  UCR54279  Senecio integerrimus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0948 Sierra Sierra Nevada Mtns., Plumas National Forest, Gold Lake, near the boat ramp 1960 Comment
  UCD135542  Senecio integerrimus R. O. Hanes 1991-6-2 32 Sierra Tahoe Forest, Kyburz Flat. 1920 Comment
  CAS-BOT-BC363931  Senecio integerrimus var. exaltatus Catherine Best 1984-6-19 992 Sierra On Hwy. 49 at the Yuba Summit Comment
  CHSC109871  Senecio integerrimus var. major L. P. Janeway; B. Castro 2012-6-16 10880 Sierra Northern High Sierra Nevada. Tip of a short southeastern spur of Gibsonville Ridge, 1.1 km north-northwest of Gibsonville. 1885 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
  JEPS37282  Senecio serra var. serra W. L. Jepson 1896-8-26 Sierra w of Reno, Nevada; Dog Valley 1828 Comment
  JEPS107580  Senecio triangularis Lowell Ahart 2005-8-30 12338 Sierra On a gravel bar along the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2032 Comment
  CAS-BOT-BC364414  Senecio triangularis Lewis S. Rose 1934-7-16 34373 Sierra Gold Lake 1950 Comment
  POM261691  Senecio triangularis L. S. Rose 1934-7-16 34373 Sierra Gold Lake 1951 Comment
  CAS-BOT-BC364534  Senecio vulgaris W. Harnach; N. Harnach 1990-10-23 534 Sierra Sierra Valley. East side of Loyalton swimming pool building 1504 Comment
  UC1178986  Sericocarpus oregonensis subsp. californicus Herbert L. Mason 1945-9-9 12694 Sierra s of Downieville; Yuba River Canyon Comment
  JEPS125819  Setaria viridis William Harnach 2014-10-7 1396 Sierra 208 Coates Ave., Calpine Comment
  UCSB27061  Sidalcea malviflora 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
  CHSC43308  Sidalcea oregana subsp. spicata Lowell Ahart 1975-8-17 940 Sierra On a gravel bar near Pass Creek, in French Meadows, about 3 miles west and 1/2 mile south of Webber Lake. 2133 Comment
  CHSC43997  Sidalcea oregana subsp. spicata L. P. Janeway 1984-8-26 1097 Sierra Along dry drainage channel from Snag Lake and near the hwy. 1996 Comment
  CAS-BOT-BC384460  Silene antirrhina Lowell Ahart 1982-7-28 3689 Sierra About 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 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
  CHSC80943  Silene bernardina Lowell Ahart 2001-8-10 9102 Sierra Base of a steep bluff, about 200 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
  SEINET10537665  Silene bernardina var. sierrae Lowell Ahart 1991-7-29 Ahart 6701 Sierra On the west side of Negro Creek, west of Burlington, about 1 mile northeast of Harris Meadow, about 1 1/4 miles northeast of Granite Mountain. Red Fir Forest. T19N R11E NS11. 1829 Comment
  SD147601  Silene douglasii John Thomas Howell, Gordon H. True 1970-7-14 5523 Sierra At Verdi Peak Lookout, Verdi Range. 2560 Comment
  CAS-BOT-BC386974  Silene douglasii Mrs. E. C. Sutcliffe 1918-7-1 s.n. Sierra Packer Lake Comment
  CAS-BOT-BC387053  Silene douglasii Gladys L. Smith 1959-6-20 1252 Sierra On Gold lake to Feather River route. PLumas-Sierra County line. 1828 Comment
  SJSU4981  Silene douglasii var. douglasii N. A. Hopkins 1968-6-30 150 Sierra 0.25 mi N of Packer L 1859 Comment
  CHSC110767  Silene invisa Dean Wm. Taylor 2011-8-10 21151 Sierra Sierra Nevada. Henness Pass Road 2 miles Eat of Keystone Gap 2072 Comment
  CHSC57074  Silene invisa L. P. Janeway; Garrett Gibson 1991-7-22 4084 Sierra Plumas National Forest. North-facing slope 1/2 mi due east of Mohawk Gap (along road 21N31B). 2225 Comment
  CHSC66805  Silene invisa Vernon H. Oswald; Lowell Ahart 1996-8-19 8199 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 bank at roadside. 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
  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
  CDA24114  Silene lemmonii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .311 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 Comment
  RSA748321  Silene lemmonii K. M. Meyer, A. Townesmith 2007-7-17 128 Sierra Tahoe National Forest. 1 mile up road toward Lake of the Woods, off road 07. 2191 Comment
  CAS-BOT-BC389279  Silene lemmonii Gordon H. True 1966-4-28 2761 Sierra South Yuba River at head of Excelsior Ditch about 1 1/2 miles east of Hiway 49 bridge 579 Comment
  UC120217  Silene oregana J. G. Lemmon and wife 1875-1 35 Sierra Comment
  NY342645  Silene pectinata J. G. Lemmon 1874-1 1077 Sierra Sierra Valley Comment
  CAS-BOT-BC75045  Sisymbrium altissimum Catherine Best 1982-7-11 735 Sierra Sierra Nevada. Herringtons. Sierra City. 1219 Comment
  UC477527  Smilacina stellata L. F. Smith 1931-5-31 2551 1/2 Sierra Cottonwood Springs Sierravile Dist. (along road) Comment
  UCD121455  Solanum parishii William Haley; Sandra Haley 2012-7-10 s.n. Sierra Sierra Couinty: Lakes Basin region. Tahoe National Forest/ West slope of the Pacific Crest Trail, just after trail goes from the east side of the crest to the west side of the crest. Coordinates are approximate. 2270 Comment
  JEPS78124  Solanum umbelliferum Gary W. Zamzow 1972-6-27 36 Sierra 2 mi from Highway 49 down Sardine Lake Road at Sand Pond, 20 m n of bath house Sand Pond 1828 Comment
  JEPS124602 Image available Solanum umbelliferum C. Meek 1969-6-27 34 Sierra 3.75 miles west of Sierra CIty on Hi # 49 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-BC364890  Solidago W. Harnach; N. Harnach 1990-8-17 509 Sierra Sierra Valley. Strang Ranch (Elvers back 80) 1524 Comment
  UCR270725  Solidago californica John F. Emmel 1999-6-5 1623 Sierra Sierra Nevada Mtns., Verdi Range; along Henness Pass Road, 1 road mile SE of summit 1756 Comment
  CAS-BOT-BC365547  Solidago elongata Rimo Bacigalupi; L. Constance; E. Nasir 1953-9-9 4356 Sierra At northern edge of Webber Lake 2063 Comment
  CHSC52925  Solidago elongata L. P. Janeway 1989-8-16 3590 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. Meadow. 2133 Comment
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Jun 25 2008
  CHSC66786  Solidago elongata Vernon H. Oswald; Lowell Ahart 1996-8-19 8237 Sierra Northern High Sierra Nevada. Forest Rt. 07 E of Webber Lake, 0.5 mi E of the road to Lake of the Woods. On roadside. 2042 Comment
  CHSC80931  Solidago elongata Lowell Ahart 2001-8-10 9105 Sierra About 200 yards west of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 150 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  JEPS32382  Solidago elongata W. L. Jepson 1934-8-3 16819 Sierra Pioneer road sta 2 mi e Bassetts road sta (North Fork Yuba River); North Fork Yuba River 1706 Comment
  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
  JEPS125753  Solidago velutina subsp. californica William Harnach 2014-8-27 1394 Sierra Townsite of Calpine behind 208 Coates Avenue. Comment
  SJSU12244  Solidago velutina subsp. californica N. A. Hopkins 1982-9-23 1118 Sierra c. 1.5 mi SW of Calpine 1524 Comment
  UC1070229  Solidago velutina subsp. californica A. Lewis 1934-8-5 526 Sierra 4 1/2 mi w Sierra City; Downieville Quad., Tahoe National Forest Comment
  CAS-BOT-BC364912  Solidago velutina subsp. californica Lemmon 1874-8-1 s.n. Sierra Sierra Valley Comment
  UC1128687  Sorbus californica C. G. Albertus 1935-9-11 282 Sierra 1.05 mi sw of Sawmill; Tahoe National Forest 1981 Comment
  UC334404  Sorbus californica unknown Oct. 1890 Sierra Webber Lake Comment
  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
  RSA233784  Sparganium angustifolium Robert F. Thorne, C. W. Tilforth 1969-9-6 39217 Sierra At extreme E end of Haven Lake (Between Goose and Snag Lakes). 1951 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
  SCFS833  Sparganium emersum J. Yamanaha 1965-7-6 106 Sierra 1.4 mi from jct Beckworth Rd and Hwy 89 at Sattley 1524 Comment
  CHSC44097  Sparganium emersum subsp. emersum L. P. Janeway 1984-8-25 1063 Sierra Snag Lake. 2026 Comment
  SCFS5080  Sparganium simplex Rechen 1964-7-1 92 Sierra 1 mile from Sattley North on Sattley-Beckworth Road off of Highway 89 Comment
  CHSC59710  Spergularia rubra L. P. Janeway 1992-10-27 4318 Sierra Plumas National Forest. Top of peak along the ridgetop between Mills Peak and Haskell Peak, about 1.5 mi southeast of Mills Peak and about 3.25 mi northwest of Haskell Peak. In dirt road. 2264 Comment
  UC190806  Sphaeralcea ambigua var. ambigua J. G. Lemmon 1875-1 44 Sierra Comment
  CAS-BOT-BC374769  Sphaeromeria potentilloides var. potentilloides Lemmon 1881-8-1 s.n. Sierra Sierra Val. Comment
  JEPS107589  Sphenosciadium capitellatum Lowell Ahart 2005-8-30 12337 Sierra On damp soil, 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
  JEPS923  Sphenosciadium capitellatum W. L. Jepson 1934-8-6 16859 Sierra Yuba Pass 2011 Comment
  UC1123209  Sphenosciadium capitellatum N. French 1934-7-13 521 Sierra Lola Mt. Ridge; Tahoe National Forest, Truckee Quad., Lola Mt. Ridge Comment
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Jan 6 2015
  CHSC43456  Spiraea densiflora Lowell Ahart 1975-8-17 930 Sierra South of French Meadows, about 3 miles west and 1/2 mile south of Webber Lake. On mountain side. 2133 Comment
  RSA125710  Spiraea densiflora var. splendens Arthur R. Kruckeberg 1954-8-2 3674 Sierra Along shores of Tamarack Lake 2 mi. e. of Sierra Buttes. Tahoe National Forest. 2287 Comment
  RSA96072  Spiraea densiflora var. splendens Percy C. Everett, E. K. Balls 1954-10-8 20252 Sierra E shore Gold Lake. N of Bassetts. Sierra Nevada. 2012 Comment
  CAS-BOT-BC152544  Spiraea splendens Lewis S. Rose 1934-7-13 34354 Sierra Gold Lake 1950 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
  JEPS87500  Stellaria calycantha Lowell Ahart 1993-9-10 7198 Sierra about 1 mi sw Gibsonville to Johnsville dirt road (on n side of Mount Fillmore, at end of poor dirt road, about 100 yds sw of the stream); Mount Fillmore 2133 Comment
  JEPS98292  Stellaria crispa Lowell Ahart 2000-7-13 8583 Sierra On damp sand along Negro Creek, west of Burlington, about 2 miles (air) northwest of Middle Waters, about 8 miles (air) northeast of Alleghany. 1584 Comment
  UCR198108  Stellaria longipes Janet Seely 1976-5-30 30 Sierra 7.1 mi north of Interstate 80 on Hirshdale Road 1829 Comment
  CAS-BOT-BC391216  Stellaria longipes subsp. longipes W. Harnach; N. Harnach 1989-6-10 134 Sierra Sierra Valley. Strang corral on Hwy. 49 1505 Comment
  CHSC66596  Stellaria obtusa Lowell Ahart 1996-7-25 7696 Sierra On the east side of a small stream, south of the Old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  CAS-BOT-BC398279  Stellaria umbellata John Thomas Howell 1969-9-13 46123 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CHSC54558  Stellaria umbellata Lowell Ahart 1991-7-22 6690 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
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Aug 27 2014
  CHSC105778  Stephanomeria lactucina Lowell Ahart 2010-9-15 17186 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-BC375576  Stephanomeria lactucina Clare B. Hardham 1985-7-31 30113 Sierra West side Yuba Pass 1767 Comment
  UC92375  Stephanomeria lactucina J. G. Lemmon 1875-1 Sierra Comment
  SEINET8078257  Stipa lemmonii var. lemmonii K. L. Neal 1960-5-28 s.n. Sierra 8 miles NW of Verdi. 1463 Comment
  SEINET8078369  Stipa nevadensis P. A. Lehenbauer 1937-1 120 Sierra 25 mi. west of Reno, on Truckee R., at Iceland, on south side of river by falls. 1676 Comment
  CDA25180  Streptanthus polygaloides L. Ahart 2006-6-21 12807 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany. Comment
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Jun 21 2014
  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
  RSA509431  Streptanthus polygaloides B. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 868 Sierra Above Ramshorn Campground, on Hwy. 49, ca. 15 miles NE of Camptonville and ca. 5 miles W of Downieville. 823 Comment
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Jun 21 2014
  UC614608  Streptanthus polygaloides L. Constance 1938-6-8 2293 Sierra e-facing slope above North Fork of Yuba River (3.8 mi w of Downieville) 853 Comment
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Jun 21 2014
  SEINET8665925  Streptanthus purpureus W. Harnach 2013-4-25 1314 Sierra 1.6 miles W of Goodyears Bar on Hwy 49, N of the Ramshorn campground. 872 Comment
  CAS-BOT-BC87829  Streptanthus tortuosus John Thomas Howell; Gordon H. True 1969-6-25 45850 Sierra Sierra Nevada. 3 miles north of Bassetts on road to Gold Lake. 1950 Comment
  CAS-BOT-BC87830  Streptanthus tortuosus John Thomas Howell; Gordon H. True 1969-6-25 45850 Sierra Sierra Nevada. 3 miles north of Bassetts on road to Gold Lake. 1950 Comment
  CAS-BOT-BC87835  Streptanthus tortuosus H. Albert Barker 1926-7-3 31 Sierra Packer Lake. 1981 Comment
  CAS-BOT-BC87836  Streptanthus tortuosus Gladys L. Smith 1959-6-20 1239 Sierra Down-grade north of Gold Lake. 1981 Comment
  CAS-BOT-BC87837  Streptanthus tortuosus Mrs. Marion (Andrew) Zimmermann 1973-6-6 s.n. Sierra Sierra Nevada. 7.8 miles east 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
  SJSU12153  Subularia aquatica subsp. americana N. A. Hopkins 1976-9-17 881 Sierra inlet to Packer L 1889 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
  CHSC63130  Symphoricarpos mollis Lowell Ahart 1994-7-1 7441 Sierra On the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  SEINET12265493  Symphoricarpos mollis J. G. Lemmon 1874-1 91 Sierra Sierra Co. &c Comment
  SEINET8071530  Symphoricarpos oreophilus P. B. Kennedy, S. B. Doten 1901-7-8 110 Sierra Webber Lake. Comment
  CAS-BOT-BC245766  Symphoricarpos rotundifolius Gordon H. True 1967-7-31 3674 Sierra Verdi Peak Road ca. 1.5 miles below summit 2438 Comment
  CHSC81018  Symphoricarpos rotundifolius var. rotundifolius Lowell Ahart 2001-8-10 9080 Sierra Near Davies Creek, on both sides of Henness Pass Road, about 3 miles west of Sardine Valley, about 5 1/2 miles (air) northwest of Stampede Reservoir Dam. 1889 Comment
  JEPS12680  Symphoricarpos rotundifolius var. rotundifolius L. S. Smith 1931-6-29 2570 Sierra Dog Valley; Tahoe Forest 1981 Comment
  CAS-BOT-BC97575  Symphyotrichum ascendens R. K. Gierisch; D. H. Esplin 1969-9-25 3615 Sierra Tahoe National Forest 1981 Comment
  CHSC67873  Symphyotrichum ascendens James D. Jokerst 1985-8-20 2574 Sierra Ca. 100 m E of Westside Rd., 2 mi S of Plumas Co. line. 1493 Comment
  CAS-BOT-BC97505  Symphyotrichum ascendens L. P. Janeway 1992-8-30 4298 Sierra Blue Nose Mtn quad. McRae Meadow; upper end of East Nelson Creek 1889 Comment
  CAS-BOT-BC97577  Symphyotrichum ascendens A. R. Kruckeberg 1954-8-1 3661 Sierra Yuba Pass, Highway 49, Tahoe N.F. Comment
  SJSU14221  Symphyotrichum ascendens N. A. Hopkins 1989-8-29 1584 Sierra below Coburn Lake, Berry Creek drainage c. 5 mi S of Yuba Pass 2255 Comment
  JEPS40777  Symphyotrichum spathulatum W. L. Jepson 1934-8-7 16875 Sierra Onion Valley Comment
  CAS-BOT-BC98475  Symphyotrichum spathulatum Mrs. H. C. Cantelow 1951-7-23 12 Sierra Near Sierraville Comment
  CHSC60596  Symphyotrichum spathulatum var. spathulatum L. P. Janeway 1984-8-25 1078 Sierra Lakes Basin; at Snag Lake. 2026 Comment
  HSC93194  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald, L. Ahart 1996-8-19 8210 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.4 mi. S of Long Valley Creek, 2.7 mi. S of the road to Bassettes; Northern High Sierra Nevada 2287 Comment
  UCD86181  Taeniatherum caput-medusae P. C. Martinelli 1963-6-25 s.n. Sierra South side of road to Dog Valley, ca. 1 mi. n.w. of Verdi, Washoe Co., Nevada. Comment
  UCD71246  Tanacetum bipinnatum A. M. Shapiro 1998-9-6 s.n. Sierra established locally in Pacific States. 1493 Comment
  JEPS94409  Tanacetum parthenium Vernon Oswald and Lowell Ahart 1997-8-19 8827 Sierra 1.1 mi sw of the town of Forest (between Goodyears Bar and Alleghany, Mountain House Road (County Road 300)); Mountain House Road 1417 Comment
  CAS-BOT-BC376981  Taraxacum officinale Valerie Ziemba 1981-5-17 040 Sierra 1 mi. east of Sierraville off Rt. 49 on dirt Rd. to Bear Valley Comment
  SJSU4156  Taraxia tanacetifolia C. W. Sharsmith & W. Savage 1967-5-20 7528 Sierra by Sierraville-Loyalton Rd 6 mi N of Sierraville, Sierra Valley 1493 Comment
  UCD107053  Taraxia tanacetifolia Gerald Dickinson 1963-6-19 7 Sierra Portola Road, 1.2 miles north of Sattley. 1676 Comment
  CDA37989  Taraxia tanacetifolia T. C. Fuller 1962-6-14 9010 Sierra Highway 49 to Sierraville, 0.6 mile west of Loyalton. 0 Comment
  UC1134371  Taxus brevifolia G. Burks 1933-8-1 17 Sierra 2 mi e Oak Valley; Tahoe National Forest, Smartsville Quad. 1158 Comment
  UCR230727  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2011-6-9 17548 Sierra Northern Sierra Nevada Mountains Foothills, 7.1 miles north of Camptonville along CA-49, about 2.5 miles north of the Yuba Co. line 808 Comment
  POM274832  Tellima grandiflora R. C. Bacigalupi 1927-7-2 1593 Sierra Downieville Road, 1 mile west of Comptonville. Comment
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Nov 9 2011
  SEINET11800090  Tetradymia canescens J. G. Lemmon 1874-1 128 Sierra Sierra Co. & C Comment
  CAS-BOT-BC399685  Thalictrum fendleri Lewis S. Rose 1934-7-14 34362 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC399687  Thalictrum fendleri Betty J. Jorgensen 1944-6-22 478 Sierra Along Little Truckee River, on road between Independence and Webber Lakes Comment
  CAS-BOT-BC399688  Thalictrum fendleri L. S. Smith 1927-7-1 s.n. Sierra Gold Lake Comment
  RSA7992  Thalictrum fendleri H. A. Barker 1927-6-24 731 Sierra Packer Lake. 2012 Comment
  SEINET12087871  Thalictrum fendleri L. S. Rose 1934-1 s.n. Sierra Gold Lake 1951 Comment
  UC334400  Thalictrum sparsiflorum unknown Oct. 1890 Sierra Webber Lake Comment
  CAS-BOT-BC399913  Thalictrum sparsiflorum Rimo Bacigalupi 1927-7-4 1605 Sierra On banks of north fork of Yuba River 2 miles west of Yuba Pass 1920 Comment
  JEPS84928  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
  UC174586  Thelypodium crispum A. A. Heller and P. B. Kennedy 1907-7-1 8671 Sierra Purdy Comment
  RSA151660  Thelypodium crispum R. C. Bacigalupi, H. L. Mason, J. R. Sweeney 1953-7-8 4283 Sierra Along road to Beckwourth, from Calpine, Sierra Valley. 1463 Comment
  SD9914  Thelypteris nevadensis Mrs. R. M. Austin 1875-1 Sierra Sierras Comment
  SD9919  Thelypteris nevadensis Mrs. R. M. Austin 1877-1 Sierra Comment
  CAS-BOT-BC197373  Thinopyrum intermedium subsp. barbulatum Catherine Best 1981-6-15 s.n. Sierra Edge of Highway 49, 2 miles west of Downieville Comment
  CAS-BOT-BC88143  Thlaspi arvense W. Harnach; N. Harnach 1990-4-22 270 Sierra Sierra Valley. Herriot Lane. 1493 Comment
  CHSC94169  Thlaspi montanum var. montanum Lowell Ahart 2006-6-21 12851 Sierra About 30 yards east of Lucky Dog Creek, about 100 yards west of the road, about 2 1/2 miles (by road) west of Forest. 1397 Comment
  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
  SEINET5357933  Torreyochloa erecta W. D. Billings 1951-7-8 2120 Sierra 1 mile north of Weber Lake 2134 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