Search Results — 2000 specimen records retrieved (1318 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS47969  Abies concolor Platt 1906-1-1 Sierra Independence lake Comment
  SEINET11736841  Abies lasiocarpa J. G. Lemmon 1874-1 210 Sierra Sierra Co., &c. Comment
  SEINET10846638  Abies magnifica var. magnifica Andrew Townesmith, Karen M. Meyer 2007-7-18 Townesmith 833 Sierra Tahoe National Forest, Sierraville Ranger District. 2.1 miles N of Forest Service road 07 on Forest Service road 07-40. T19N R14E, at edge of sections 15 and 22. 2291 Comment
  CAS-BOT-BC331040  Acer glabrum var. glabrum Elmer I. Applegate 1921-9-7 3367 Sierra Gold Lake 1981 Comment
  UC54489  Acer glabrum var. glabrum H. M. Hall and E. B. Babcock July, 1903 4493 Sierra Howard Creek Sierra Nevada Mountains, Howard Creek 2133 Comment
  CHSC53146  Achillea millefolium L. P. Janeway 1989-8-16 3591 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. Mdw at head of creek. 2133 Comment
  UCSB27163  Achillea millefolium Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of California State Highway 49, along road to Graeagle, Sierra Buttes, Sierra Nevada 1981 Comment
  CAS-BOT-BC28864  Achillea millefolium Anna Head 1921-8-21 s.n. Sierra Near Gold Lake, Feather River Region. 1828 Comment
  UCD128295  Achillea millefolium Gerald Dickinson 1963-6-27 48 Sierra roadside ditch south of Sierraville, on state highway 89. 1524 Comment
  CHSC53229  Achnatherum lemmonii L. P. Janeway 1989-8-18 3615 Sierra Plumas National Forest. Northeast flank near top of ridge ca 3 mi E of Haskell Pk overlooking Sulphur Cr. 2225 Comment
  JEPS110264  Achnatherum lemmonii Lowell Ahart 2006-6-28 12883 Sierra On the S slope and near the top of the serpentine area, about 3/4 mile (air) E of Lake Delahunty, about 2 miles (air) NE of Gibsonville. 1903 Comment
  SEINET232981 Image available Achnatherum nevadense Mary E. Barkworth, LR Firestone 1987-8-21 4018 Sierra About 5 mi west of Wbber Lake. 2015 Comment
  CAS-BOT-BC216913  Achnatherum occidentale Lowell Ahart 1977-8-2 s.n. Sierra N side of Mount Fillmore 2000 Comment
  CAS-BOT-BC210860  Achnatherum occidentale subsp. californicum Lewis S. Rose 1934-7-17 34357 Sierra Gold Lake 1950 Comment
  CHSC44594  Achnatherum occidentale subsp. californicum Lowell Ahart 1978-9-26 1808 Sierra On the north side of Mount Fillmore, about 12 miles north-east of La Porte. 2011 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
  POM267985  Achnatherum occidentale subsp. occidentale D. D. Keck 1944-7-8 5407 Sierra East side of Yuba Pass, Near base, 2 mi NW of Sattley 1616 Comment
  CAS-BOT-BC210935  Achnatherum occidentale subsp. pubescens John Thomas Howell 1969-9-13 46141 Sierra Near the southwest end of Webber Lake 2072 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
  CAS-BOT-BC210937  Achnatherum occidentale subsp. pubescens David D. Keck 1944-7-8 5406 Sierra E. side of Yuba Pass (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
  CHSC47679  Acmispon americanus var. americanus Lowell Ahart 1989-8-16 6383 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir. 1706 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
  CHSC66597  Acmispon nevadensis var. nevadensis Lowell Ahart 1996-7-25 7687 Sierra In and along the dirt road, old Henness Pass Road, French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  SEINET5337479  Aconitum columbianum P. B. Kennedy, Samuel Bradford Doten 1901-7-23 203 Sierra Lincoln Valley Comment
  UCD18568  Aconitum columbianum Roman Gankin 1951-7-16 46 Sierra near north fork of North Fork of Yuba River, State Hwy 49, near Pioneer Lodge, Sierra Buttes Recreation Area. 1798 Comment
  CAS-BOT-BC391501  Aconitum columbianum subsp. columbianum W. Harnach; N. Harnach 1989-6-24 175 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1517 Comment
  CAS-BOT-BC391502  Aconitum columbianum subsp. columbianum H. Albert Barker 1926-7-1 3 Sierra South of Sierraville on road to Truckee 1828 Comment
  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-BC412900  Aconogonon davisiae L. P. Janeway 1984-8-11 983 Sierra Northwest of Sierra Buttes 2316 Comment
  CHSC66819  Aconogonon phytolaccifolium Vernon H. Oswald; Lowell Ahart 1996-8-19 8214 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 0.4 mi N of the road to Haypress Valley. 2225 Comment
  HSC93419  Aconogonon phytolaccifolium Vernon H. Oswald, L. Ahart 1996-8-19 8214 Sierra Yuba Pass-Weber Lake Rd. (Forest Rte. 12) .4 mi. N of the rd. to Haypress Valley 2226 Comment
  SJSU11993  Adenocaulon bicolor N. A. Hopkins 1975-7-24 701 Sierra by Woodruff Creek 0.5 mi S of confluence with Rock Creek 822 Comment
  SEINET3015876  Adiantum aleuticum V. Oswald 1997-8-19 8822 Sierra Mountain House Rd. (County Rd. 300) at Young America Creek, 3.6 mi south of goodyears Bar. 1113 Comment
  UCR206558  Adiantum aleuticum George K. Helmkamp, E. A. Helmkamp 2009-5-28 14852 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  SBBG25623  Agastache urticifolia K. K. Muller 1963-8-15 1239 Sierra 3 mi N of Gold Lake on Gold Lake Rd between St Hwys 49 and 89 Comment
  UC336471  Ageratina occidentalis unknown 1890-10-1 Sierra Webber Lake Comment
  SJSU13917  Ageratina occidentalis N. A. Hopkins 1985-9-1 1331 Sierra just above Robinsons Cow Camp 1828 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
  CDA297  Agoseris glauca var. monticola T. C. Fuller 1962-6-14 9008 Sierra Highway 49 to Sierraville, 0.6 mile west of Loyalton. 0 Comment
  UC53899  Agoseris grandiflora var. grandiflora H. M. Hall and E. B. Babcock 1903-7-1 4468 Sierra Sierra Valley Sierra Nevada Mountains, Sierra Valley 1524 Comment
  UCD84136  Agoseris heterophylla Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  UC585119  Agoseris heterophylla var. heterophylla E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1653 Sierra 5 mi north Sattley; Sierra Valley Comment
  JEPS124623 Image available Agoseris parviflora Reinhard Jockel 1969-7-3 41 Sierra E. of Kyburz marsh 2 miles E. of highway 89 turn off a few miles N of little Truckee bridge. Comment
  CHSC115251  Agoseris retrorsa Lowell Ahart 2015-5-9 20159 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. Comment
  UCD84135  Agoseris retrorsa Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  JEPS75454  Agrostis exarata W. L. Jepson 1934-8-3 16820 Sierra 2 mi e Bassett sta. (canyon bottom); North Fork Yuba River, Pioneer sta. 1706 Comment
  UCD35539  Agrostis exarata Beecher Crampton 1957-7-24 4404 Sierra 3 miles northeast of Sattley. Sierra Valley. Comment
  UCD52412  Agrostis exarata A. A. Beetle 1944-8-17 3043 Sierra near summit of Yuba River. 1935 Comment
  CAS-BOT-BC139575  Agrostis gigantea Lowell Ahart 1980-9-9 2608 Sierra Sierra Nevada. Between the outlet of Webber Lake and Little Truckee River. 2200 Comment
  CAS-BOT-BC139577  Agrostis gigantea John Thomas Howell 1969-9-13 46114 Sierra Sierra Nevada. Little Truckee River near outlet of Webber Lake. 2042 Comment
  CAS-BOT-BC139238  Agrostis idahoensis Gordon H. True 1971-9-7 7036 Sierra In Cold Stream Canyon ca. 3.5 miles south of Perazzo Meadows. 2377 Comment
  JEPS117425  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 1731 Comment
  JEPS102454  Agrostis oregonensis Lowell Ahart 2001-8-10 9086 Sierra About 100 feet SE of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  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
  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
  SEINET3559510 Image available Allium bisceptrum Lewis S. Rose 1934-7-2 34308 Sierra Gold Lake. 1951 Comment
  UC1584008  Allium lemmonii G. Schoolcraft 1990-5-8 2017 Sierra w edge of Sierra Valley near Calpine; Sierra Valley 1508 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-BC472756  Allium lemmonii D. E. Breedlove 1962-6-13 3495 Sierra State Hwy. 89, 6.8 miles north of Sierraville 1524 Comment
  CAS-BOT-BC472759  Allium lemmonii H. C. Cantelow 1941-5-17 s.n. Sierra Mountain valley, 2 miles south of Calpine on highway 89 Comment
  CAS-BOT-BC472761  Allium lemmonii Arthur Menzies 1965-1-1 s.n. Sierra Sierra Valley, Sierra Nevada Comment
  SJSU13989  Allium lemmonii N. A. Hopkins 1988-5-16 1411 Sierra 0.25 mi W of Beckwourth-Sattley Rd, 1 mi N of Calpine turnoff 1493 Comment
  CAS-BOT-BC474285  Allium obtusum var. obtusum Anna Head 1921-6-25 s.n. Sierra Gold Lake Meadows Comment
  UC584350  Allium parvum G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2129 Sierra about 3 1/2 mi e Loyalton 1600 Comment
  CAS-BOT-BC474035  Allium parvum D. E. Breedlove 1962-6-13 3527 Sierra Along the Little Truckee River, 10.0 miles south of Sierraville on State Hwy 89 1950 Comment
  CHSC94132  Allium platycaule Lowell Ahart 2006-6-28 12872 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  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
  CHSC69184  Allophyllum divaricatum Vernon Oswald; Lowell Ahart 1997-8-19 8829 Sierra Mountain House Rd. (County Rd. 300) 1.1 mi southwest of the town of Forest (between Goodyears Bar and Alleghany). At base of roadcut. 1417 Comment
  SEINET14440098  Allophyllum gilioides subsp. violaceum W. Harnach, N. Harnach 1989-6-27 182 Sierra Sierra Valley, Calpine Ranch (home). 1506 Comment
  SJSU14279  Allophyllum gilioides subsp. violaceum N. A. Hopkins 1989-7-1 1552 Sierra between Yuba Pass & Webber L, 1-2 mi N of Henness Pass 2072 Comment
  RSA21696  Allophyllum integrifolium C. B. Wolf 1937-8-6 9056 Sierra Northern Sierra Nevada, Church Meadows, SE of Gold Lake. 2043 Comment
  SD42517  Allophyllum violaceum Carl B. Wolf 1937-8-6 9056 Sierra Northern Sierra Nevada, Church Meadows, southeast of Gold Lake. 2042 Comment
  UC66131  Allotropa virgata P. B. Kennedy and S. B. Doten 1901-7-11 145 Sierra near Webber Lake Comment
  SEINET7220227  Allotropa virgata P. B. Kennedy, S. B. Doten 1901-7-11 145 Sierra Webber Lake Comment
  JEPS78177  Alnus incana subsp. tenuifolia Gary W. Zamzow 1972-6-27 35 Sierra down Sardine Lake Road 2 mi from Highway 49 (20 m s of bathhouse); Sand Pond 1828 Comment
  RSA88592  Alnus incana subsp. tenuifolia J. T. Howell 1951-8-21 28275 Sierra Yuba Pass. 2043 Comment
  SBBG28463  Alnus incana subsp. tenuifolia L. S. Rose 1934-7-14 34361 Sierra Gold Lake 1950 Comment
  SEINET8073118  Alnus incana var. occidentalis W. Harnach, N. Harnach 1991-4-27 535 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch. 1515 Comment
  SEINET8066532  Alnus incana var. occidentalis P. A. Lehenbauer 1937-6-8 109 Sierra 25 miles west of Reno, Nevada, on Truckee River at Iceland 1676 Comment
  CHSC59843  Alopecurus aequalis L. P. Janeway 1992-9-30 4316 Sierra Plumas National Forest. About 0.1 mi north of the ridge between Mills Peak and Haskell Peak, about half way between the two peaks. 2209 Comment
  UCD55831  Alopecurus aequalis Beecher Crampton 1958-6-24 4942 Sierra 12 miles south of Sierraville, along the Little Truckee River. 1828 Comment
  UCD55872  Alopecurus aequalis Freed W. Hoffman 1946-6-11 1832 Sierra Sierra Valley. Comment
  SEINET13709956  Alopecurus aequalis Lowell William Ahart, Lowell William Ahart 2001-1 9298 Sierra Drying Ponds Around Poverty Hill Hydraulic Gold Mine, N of Town of Poverty Hill, 4 Air Mi. S of La Porte (T21N, R9E, sec 32, SW 1/4) 5000 Ft 1524 Comment
  SEINET3353252 Image available Alopecurus aequalis F. A. MacFadden 1934-1 Sierra Truckee River, 13 Miles from Truckee on the old Reno Road Comment
  SEINET7953067 Image available Alopecurus geniculatus Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Road, ca 100 m N from the road. 1495 Comment
  CDA11870  Alopecurus saccatus G. F. Hrusa, J. Jokerst 1991-7-5 8531 A Sierra Sierra Valley Region; Bottom of Antelope Valley. 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
  CAS-BOT-BC136699  Amelanchier alnifolia var. pumila P. B. Kennedy; S. B. Doten 1901-7-12 97 Sierra Webber Lake Comment
  SEINET6190534  Amelanchier pallida W. Harnach, N. Harnach 1990-5-13 307 Sierra Sierra Valley, The Mounds near Sattley 1518 Comment
  CAS-BOT-BC136875  Amelanchier utahensis M. Lavin 1982-6-27 4159 Sierra Salmon Lake, north of Sierra Buttes, 13 miles from Portola 1981 Comment
  CAS-BOT-BC136877  Amelanchier utahensis W. Harnach; N. Harnach 1989-5-9 073 Sierra Sierra Valley. Newman Point (Rice on map) 1524 Comment
  SJSU14230  Amelanchier utahensis N. A. Hopkins 1989-4-28 1483 Sierra Ridge Rd to Allegheny off Hwy 49 1219 Comment
  UC1127751  Amelanchier utahensis G. T. Nordstrom 1936-7-9 931 Sierra 2 mi nw Dog Valley; Tahoe National Forest, Sierraville Quad. 1981 Comment
  UCD167900  Amsinckia menziesii Art M. Shapiro 2017-5-29 s.n. Sierra Along Hwy. 89 about 3/4 mi N Sierraville. 1516 Comment
  CAS-BOT-BC45081  Anaphalis margaritacea W. Harnach; N. Harnach 1990-8-17 514 Sierra Sierra Valley, Strang Ranch (Elvers back 80) 1524 Comment
  SEINET5337582  Anemone tuberosa M. Humphreys 1950-4-30 14 Sierra 1 mile north of Downieville. 914 Comment
  RSA142217  Angelica breweri Lincoln Constance, R. Bacigalupi, E. Nasir 1953-9-9 3471 Sierra Forest opening betw Webber (4 miles S) and meadow lakes. 2134 Comment
  CAS-BOT-BC64788  Antennaria W. Harnach; N. Harnach 1990-4-22 276 Sierra Sierra Valley. Newman Point (east side of hwy and up the slope). 1554 Comment
  UC1125551  Antennaria argentea G. T. Nordstrom 1936-7-9 926 Sierra 2 mi nw Dog Valley; Sierraville Quad. 1981 Comment
  SJSU9806  Antennaria dimorpha C. W. Sharsmith 1982-5-30 8657 Sierra 2 mi N of Sattley on Sattley-Beckwourth Road, Sierra Valley 1524 Comment
  UCD149931  Antennaria geyeri G. Ledyard Stebbins 1984-6-29 C 427 Sierra near Little Truckee River, opposite U.S. Forest Service campground. (Exact location in Sierra County unknown; there are several U.S. Forest Service campgrounds along the Little Truckee River. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC58655  Antennaria luzuloides David D. Keck 1944-7-8 5418 Sierra Sierra Valley, 1.5 mi. N of Sattley on Feather River Road 1524 Comment
  SBBG7570  Antennaria luzuloides H. and M. Dearing 1939-5-9 3306 Sierra Indian Valley Camp on Yuba River near Downeyville Comment
  CAS-BOT-BC58653  Antennaria luzuloides H. D. Ripley; R. C. Barneby 1942-5-22 4527 Sierra near Sierraville 1706 Comment
  SEINET6755225 Image available Antennaria luzuloides G. Gifford 1980-6-6 s.n. Sierra Cottonwood campground in adjacent dry meadow near Cottonwood creek 4 3/5 miles south of Sierraville on Hwy 89 1768 Comment
  CAS-BOT-BC79948  Antennaria microphylla Belle R. Jackson 1932-6-1 s.n. Sierra Sierra Valley Comment
  SEINET6755314 Image available Antennaria rosea W. Harnach, N. Harnach 2000-7-4 9938 Sierra Sierra Valley. Approx. 1/2 mile north of Coburn Lake at the end of access road. Comment
  CHSC61775  Antennaria rosea subsp. confinis Lowell Ahart 1993-9-10 7208 Sierra On the north side of Mount Fillmore, about 1 1/4 miles south of the dirt road from Gibsonville to Johnsville. 2225 Comment
  CHSC80924  Antennaria rosea subsp. confinis Lowell Ahart 2001-8-10 9099 Sierra Base of 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
  RSA237222  Anthemis cotula Frederick W. Oettinger 1967-6-28 140 Sierra Along Salmon river near Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  CHSC69192  Antirrhinum vexillo-calyculatum subsp. intermedium Vernon Oswald; Lowell Ahart 1997-8-19 8834 Sierra Footes Crossing Rd. (County Rd. 191) on the north side of the Middle Fork of Yuba River. 1066 Comment
  JEPS95115  Antirrhinum vexillocalyculatum subsp. intermedium Vernon Oswald and Lowell Ahart 1997-8-19 8834 Sierra 5.3 mi. s.w. Alleghany (Footes Crossing Rd. (County Rd. 191) on n. side of Middle Fork Yuba River); Middle Fork Yuba River 1066 Comment
  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
  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
  CAS-BOT-BC407118  Aquilegia formosa W. Harnach; N. Harnach 1989-6-24 171 Sierra Sierra Valley, Martinetti Ranch (Elvers) 1517 Comment
  UCR270959  Arabis John F. Emmel 1999-6-5 1626 Sierra Sierra Nevada Mountains, Verdi Range; along Henness Pass Road, 0.5-0.7 road miles NW of the junction with Sunrise Creek Road at junction with Sunrise Creek Road 1677 Comment
  UCR270960  Arabis John F. Emmel 1999-6-5 1627 Sierra Sierra Nevada Mountains, Verdi Range; along Henness Pass Road, 0.5-0.7 road miles NW of the junction with Sunrise Creek Road at junction with Sunrise Creek Road 1677 Comment
  UCR270961  Arabis John F. Emmel 1999-6-5 1628 Sierra Sierra Nevada Mountains, Verdi Range; along Henness Pass Road, 0.5-0.7 road miles NW of the junction with Sunrise Creek Road at junction with Sunrise Creek Road 1677 Comment
  UCR18730  Arabis holboellii var. retrofracta Frank C. Vasek 1975-7-10 750710- 14 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
  SEINET3899686  Arabis holboellii var. retrofracta L. Constance 1938-6-8 2296 Sierra Junction of North & South Forks of North Fork of the Yuba River, Sierra city.; 0 1372 Comment
  JEPS87603  Arabis rectissima var. rectissima Lowell Ahart 1994-7-1 7444 Sierra about 11 mi air ne Alleghany (about 1.5 mi ne of Middlewaters, on n side of larger pond, on n side of Henness Pass Road, at Keystone Gap, e of Keystone Mountain); Keystone Gap 1889 Comment
  HSC97015  Arabis sparsiflora var. arcuata L. Ahart 2006-6-21 12819 Sierra N side of Foote Rd., 1.3 mi. SW of Alleghany 1306 Comment
  UCR249159  Aralia californica George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20786 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.8 miles west of Goodyears Bar, c. 5 miles west of Downieville 779 Comment
  CHSC10651  Arceuthobium abietinum Lowell Ahart 1967-9-29 Sierra Along Henness Pass, 15 miles from Camptonville. 1524 Comment
  UC336861  Arceuthobium americanum unknown Sierra Webber Lake Comment
  CAS-BOT-BC410001  Arceuthobium campylopodum H. Albert Barker 1926-7-25 X 254 Sierra Gold Lake 1953 Comment
  JEPS124681 Image available Arceuthobium campylopodum Laurel Loeblich 1964-6-18 12 Sierra Highway 89 9.2 miles from bridge or 2 miles SW of Sierraville. 30 ft. from highway east and on a south facing slope. Comment
  CAS-BOT-BC45428  Arctostaphylos nevadensis Mrs. S. G. Suttiffe 1926-10-16 s.n. Sierra Salmon Lake. Comment
  POM367357  Arctostaphylos nevadensis Robert Gustafson 1985-6-14 3173 Sierra Hwy. 49, ca. 1/2 mile below Yuba Pass summit toward Sierra Valley. 2043 Comment
  UC876438  Arctostaphylos nevadensis Lewis S. Rose 1934-7-21 34398 Sierra Gold Lake 1950 Comment
  RSA8016  Arctostaphylos patula H. A. Barker 1927-6-22 726 Sierra Gold Lake. 1954 Comment
  UC567034  Arctostaphylos patula G. E. Sindel 1934-7-31 80 Sierra 3 1/4 mi n Meadow Lake; Truckee Quadrangle 2240 Comment
  SEINET11998348  Arctostaphylos patula Unknown 1988-1 s.n. Sierra near Sardine Lake 1890 Comment
  SEINET7263442  Arctostaphylos patula M. Demorest 1962-5-9 s.n. Sierra Dog Valley, valley floor near meadow 1829 Comment
  UCD52190  Arctostaphylos viscida Ellen Dean; A. Shapiro, et al. 2003-8-29 1930 Sierra Tahoe National Forest, north of Hwy 80. Along Washington Road about 0.9 road miles north of interseciton with Hwy 20. Comment
  UC1121433  Arctostaphylos viscida subsp. viscida A. Lewis 1934-9-4 532 Sierra 2 mi sw St. Charles Ranch; Tahoe National Forest, Downieville Quadrangle Comment
  RSA790264  Arenaria congesta J. R. Shevock 1985-5-19 11149 Sierra Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville. 1650 Comment
  CDA11874  Arenaria congesta var. subcongesta G. F. Hrusa, J. Jokerst 1991-7-5 8535 A Sierra Sierra Valley region. Antelope Valley. Comment
  UC338283  Arenaria congesta var. suffrutescens John Gill Lemmon 1889-6-6 Sierra Gold Lake Comment
  CHSC63621  Arenaria kingii var. glabrescens B. Castro; Toni Fauver, L. Hanson 1989-6-21 320 Sierra Sierra Buttes, on trail above Long Lake. 2011 Comment
  SJSU13869  Argemone munita N. A. Hopkins 1985-7-3 1283 Sierra bbetween Sierraville & Lemon Canyon c. 2 mi E of Sierraville Comment
  SEINET10877440 Image available Argythamnia lanceolata Cyrus G. Pringle 1889-4-15 Pringle 15968 Sierra Sierra Tucson, Arizona Comment
  UC53876  Arnica chamissonis H. M. Hall and E. B. Babcock 1903-7-1 4472 Sierra Sierraville Sierra Nevada Mountains, Sierraville 1524 Comment
  CAS-BOT-BC82326  Arnica cordifolia Clare B. Hardham 1961-6-15 7412 Sierra Yuba Pass, south side Comment
  JEPS88368  Arnica dealbata Vernon H. Oswald and Lowell Ahart 1996-8-19 8215 Sierra Yuba Pass-Weber Lake Rd.(Forest Rt. 12) just n road to Haypress Valley; northern High Sierra Nevada 2255 Comment
  SEINET6775040 Image available Arnica dealbata W. Harnach, N. Harnach 2000-7-9 945 Sierra Chapman saddle road, 1/4 mi. east of intersection of Lunch Creek Road 2027 Comment
  CAS-BOT-BC295827  Arnica dealbata L. P. Janeway 1989-7-28 3536 Sierra Beckwourth Ranger District, Plumas National Forest. NE-facing flank of Haskell Pk overlooking hwy 89 and Sulphur Cr. 2179 Comment
  RSA125820  Arnica dealbata Arthur R. Kruckeberg 1954-8-2 3686 Sierra Just 0.5 mi. w of Sierra Buttes lookout. Tahoe National Forest 2439 Comment
  CAS-BOT-BC82770  Arnica mollis John Thomas Howell 1969-9-13 46136 Sierra Near the southwest end of Webber Lake 2072 Comment
  JEPS107588  Arnica mollis Lowell Ahart 2005-8-30 12351 Sierra On the south side of Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2064 Comment
  CAS-BOT-BC85150  Arnica nevadensis H. Albert Barker 1926-7-8 82 Sierra Gold Lake Ridge 2072 Comment
  JEPS125729  Arnica nevadensis William Harnach 2015-8-5 1435 Sierra Approximately 3.4 air miles SE of Yuba Pass. Comment
  CAS-BOT-BC146260  Arrhenatherum elatius var. elatius Thos. Harris 1978-7-11 s.n. Sierra Sierra Nevada. Rose Ranch (awned by Forest and Mary Sheehan) near Scales. 1341 Comment
  UCD129184  Artemisia arbuscula A. A. Beetle 1957-8-15 12803 Sierra 5 miles north of Truckee. Comment
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Feb 8 2016
  UC579325  Artemisia cana subsp. bolanderi A. Lewis 1934-11-7 548 Sierra 5 1/4 mi w Loyalton; Plumas National Forest, Sierraville Quadrangle 1493 Comment
  JEPS88079  Artemisia douglasiana Vernon H. Oswald and Lowell Ahart 1996-8-19 8189 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 2.2 mi s Hwy 49; northern High Sierra Nevada 2133 Comment
  CAS-BOT-BC90470  Artemisia douglasiana Roxana S. Ferris 1953-11-8 12702 Sierra About 1 mile from Sierra City on road to Sierra Buttes Comment
  UCR257658  Artemisia spiciformis George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19456 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
  SEINET10872092  Artemisia tridentata Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4472 Sierra North side of Milton Reservoir, near Jackson Meadow Reservoir. Yellow Pine Forest; 1800 m. 1800 Comment
  CAS-BOT-BC97414  Artemisia tridentata subsp. tridentata Lowell Ahart 1983-10-27 4472 Sierra near the dirt road on the north side of Milton Res., near Jackson Meadow Res. 1800 Comment
  RSA122551  Artemisia tridentata subsp. tridentata C. G. Albertus 1935-9-20 284 Sierra 1.75 miles southeast of Sierraville. 1524 Comment
  SEINET3358285 Image available Artemisia tridentata subsp. vaseyana A. A. Beetle 1957-8-15 12805 Sierra Truckee. Comment
  SEINET8584703 Image available Artemisia tridentata subsp. wyomingensis W. Harnach 2015-10-6 1455 Sierra 1.8 miles east of Hwy 49 on Lemmon Canyon Road, east of Sierraville. 1558 Comment
  JEPS125674  Asarum lemmonii William Harnach 2013-5-31 1362 Sierra Approximately 5.3 miles east of Downieville on Highway 49 (0.5 miles west of Union Flat Campground on Highway 49). Comment
  JEPS110055  Asclepias cordifolia Lowell Ahart 2006-6-21 12825 Sierra On the north side of the road, about 2 miles (by road) west of Forest 1329 Comment
  JEPS124873 Image available Asclepias cordifolia B. Corwin 1964-6-25 99 Sierra On south-facing slope 2 miles west of Downieville on highway 49. Comment
  SEINET6833705  Asclepias cordifolia P. B. Kennedy 1903-6-27 785 Sierra Dog Valley, near Verdi. Comment
  SJSU11077  Asclepias cordifolia C. L. Kline 1965-7-6 136 Sierra Hwy 89 c. 12 mi N of junction with Sagehen Creek Rd 1097 Comment
  SJSU12019  Asclepias cordifolia N. A. Hopkins 1975-6-16 664 Sierra on trail above Pauley Creek between 2nd & 3d Divides 1097 Comment
  JEPS124877 Image available Asclepias fascicularis C. Meek 1969-6-27 30 Sierra 1/4 mi. east of Goodyear's Bar exit off of Hi #49. Comment
  CHSC34824  Asclepias speciosa M. S. Taylor 1981-7-17 4052 Sierra On n side Hwy 49, ca. 2 mi w of its jct with Hwy 89, ca. 2 mi sw of Calpine. 2011 Comment
  CAS-BOT-BC68779  Aspidotis densa Lowell Ahart 1982-7-28 3695 Sierra 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  CAS-BOT-BC68825  Aspidotis densa George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CHSC10659  Aspidotis densa Lowell Ahart 1967-9-29 Sierra Near Sam's Camp. 2438 Comment
  HSC98496  Asplenium viride Dana York 2009-7-14 2968 Sierra 3.1 km NNW of Sierra City, Tahoe National Forest, Sierra Buttes 2527 Comment
  UC1321884  Asplenium viride T. F. Niehaus, Robert M. Lloyd, and Jack Major 1966-7-9 739 Sierra in crevices along eastern base northern cliff of south butte; Sierra Buttes Comment
  CAS-BOT-BC99202  Aster W. Harnach; N. Harnach 1989-6-27 187 Sierra Sierra Valley - Calpine Ranch (home). 1505 Comment
  CAS-BOT-BC99203  Aster W. Harnach; N. Harnach 1990-8-17 508 Sierra Sierra Valley - Strang Ranch (Elvers back 80) 1524 Comment
  CAS-BOT-BC99249  Aster Clare B. Hardham 1986-8-10 30417 Sierra Sierra Nevada Mountains - above Sattlee 1524 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
  RSA125821  Aster breweri Arthur R. Kruckeberg 1954-8-2 3687 Sierra Just 1/2 mile west of Sierra Buttes Lookout, Tahoe National Forest 2439 Comment
  POM148024  Aster integrifolius George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  POM261611  Aster integrifolius L. S. Rose 1934-7-20 s.n. Sierra Gold Lake 1951 Comment
  SEINET11852521  Aster integrifolius J. G. Lemmon 1874-1 103 Sierra Sierra Co., &c., Comment
  UCR257647  Aster occidentalis var. occidentalis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19494 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  RSA507794  Aster oregonensis J. C. Semple, S. Heard 1986-8-13 8411 Sierra CA-49 west of Sierraville; 9.1 km east of Downieville Post Office 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-BC295340  Astragalus W. Harnach; N. Harnach 1990-5-28 332 Sierra Sierra Valley. Balderson Ranch (Antelope Valley) 1554 Comment
  UCD32550  Astragalus Beecher Crampton 1954-5-11 1890 Sierra Sierra County, Sierra Valley, 4 miles west of Loyalton. 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
  SEINET5323324  Astragalus andersonii W. Harnach, N. Harnach 1993-7-11 744 Sierra Sierra Valley, on top of Lincoln Ridge, south of Yuba Pass. Western edge of the project area 2316 Comment
  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
  JEPS87628  Astragalus bolanderi Lowell Ahart 1994-7-1 7447 Sierra at intersection of a logging road to Harris Meadow and Henness Pass Road about 2 mi sw Middlewaters (about 7 1/2 mi (air) ne of Alleghany); sw of Middlewaters, ne of Alleghany 1950 Comment
  RSA739836  Astragalus bolanderi John Dittes, Josephine Guardino, L. Ahart 2003-7-31 20003 -79 Sierra Northern High Sierra Nevada, 7.4 air miles SW of Sierra City, 5.6 air mile SE of Downieville, 6.2 air miles NW of Bowman Lake, S of Henness Pass Road. 1768 Comment
  CAS-BOT-BC229056  Astragalus lemmonii Alice Eastwood 1918-6-29 7791 Sierra Loyalton Comment
  SEINET12158617  Astragalus pulsiferae J. G. Lemmon 1874-1 53 Sierra Sierra Co., &c Comment
  POM123486  Astragalus pulsiferae var. pulsiferae J. G. Lemmon 1874-1 s.n. Sierra Sierra & Indian Valleys 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
  SEINET12160088  Astragalus purshii J. G. Lemmon 1874-1 51 Sierra Comment
  CAS-BOT-BC192961  Astragalus purshii var. purshii W. Harnach; N. Harnach 1989-4-30 047 Sierra Sierra Valley. Calpine Ranch (home) 1498 Comment
  CAS-BOT-BC192962  Astragalus purshii var. purshii W. R. Dudley 1909-8-25 s.n. Sierra Sierra Valley, near Sierraville Comment
  CAS-BOT-BC192964  Astragalus purshii var. purshii H. D. Ripley; R. C. Barneby 1942-5-22 4528 Sierra Near Sierraville 1706 Comment
  RSA110889  Astragalus purshii var. purshii H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1942-5-22 4528 Sierra Near Sierraville. 1707 Comment
  CAS-BOT-BC193058  Astragalus purshii var. tinctus M. Boone 1981-5-16 055 Sierra Highway 49 1 mile N. of junction with 89 1524 Comment
  SEINET5326814  Astragalus purshii var. tinctus W. Harnach, N. Harnach 1989-4-30 47 Sierra Calpine, Calpine Road 1498 Comment
  SEINET948685  Astragalus purshii var. tinctus Sue adams 1967-1 35 Sierra On dry rocky soil. 0.5 miles down hill from dirt road turnoff, ca. 15 miles east from Sierraville. 1372 Comment
  UCD136281  Athyrium filix-femina P. B. Schultz 1967-6-30 29 Sierra 2 miles E of Downieville. 929 Comment
  SBBG45294  Athyrium filix-femina var. cyclosorum J. G. Lemmon 1890-1 Sierra Sierra Valley Comment
  CAS-BOT-BC17425  Athysanus pusillus Anna Head 1921-6-21 s.n. Sierra Feather River Region. Campbell Hot Springs. Comment
  RSA790200  Balsamorhiza hookeri J. R. Shevock 1985-5-19 11146 Sierra Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville. 1650 Comment
  UCSB16095  Balsamorhiza hookeri Breedlove, Dennis 1962-6-13 Sierra 1.5 miles north of Sierraville on State Highway 89 1524 Comment
  CAS-BOT-BC100046  Balsamorhiza hookeri W. Harnach; N. Harnach 1989-4-22 036 Sierra Sierra Valley. Sattley transfer station (dump) 1496 Comment
  SEINET7239809 Image available Balsamorhiza hookeri var. neglecta D. Eckert 1959-5-13 s.n. Sierra Dog Valley 1981 Comment
  UCD129527  Balsamorhiza macrolepis T. Adams 1998-5-17 28 Sierra Antelope Valley, 2 miles down dirt road off Hwy 149. 1572 Comment
  POM350746  Balsamorhiza sagittata Robert Gustafson 1984-5-15 2944 Sierra Near the junction of Hwy 49 and 89 Comment
  SBBG7795  Balsamorhiza sagittata H. and M. Dearing 1939-5-9 3312 Sierra N of Sierra Buttes Comment
  CAS-BOT-BC16675  Barbarea orthoceras Javier Penalosa 1962-6-20 2544 Sierra Little Truckee River at Highway 89. 1905 Comment
  CHSC541  Barbarea orthoceras V. Holt 1942-7-18 Sierra Gold Lake. 1950 Comment
  SJSU12093  Beckmannia syzigachne N. A. Hopkins 1976-6-22 833 Sierra drainage ditch in marshy area by Marble Hot Springs Rd, Sierra Valley Comment
  SEINET7239956 Image available Bidens cernua W. Harnach, N. Harnach 2000-8-23 984 Sierra Sierra Valley, 1.5 miles west of Sierraville, CA on HWY 49. Strang Pond 1506 Comment
  UC1192194  Bidens cernua Malcolm A. Nobs and S. Galen Smith 1949-8-20 1493 Sierra .5 mi w of, on road to Sierraville, Sierra Valley Loyalton Comment
  SEINET4176363  Bistorta bistortoides N. Johnson 1951-5-19 66 Sierra Dog Valley, west end 1829 Comment
  SEINET4176607  Bistorta bistortoides J. Robertson 1960-6-18 s.n. Sierra Sagehen Creek, University oF California campus 2134 Comment
  UCD98824  Bistorta bistortoides R. O. Hanes 1991-6-2 34 Sierra Kyburz Flat. 1920 Comment
  JEPS125671  Blepharipappus scaber William Harnach 2013-5-17 1350 Sierra 0.75 miles south of Highway 49 on the Antelope Valley Road Comment
  RSA0125961  Boechera James Henrickson 1969-5-25 3443 Sierra Ca. 45 miles northeast of Yuba City, 7 miles west of Downieville, 4 miles east of Yuba county border. Comment
  SJSU12080  Boechera breweri subsp. shastaensis N. A. Hopkins 1973-6-11 531 Sierra Robinsons Cow Camp c. 0.5 mi W of Packer L 1889 Comment
  CHSC110244  Boechera constancei L. P. Janeway 2012-6-24 10904 Sierra Northern High Sierra Nevada. Top of band of serpentine along Sawmill Ridge 1.0 km southeast of Delahunty Lake and 2.7 km northwest of Mt Fillmore. 1901 Comment
  CHSC94236  Boechera constancei Lowell Ahart 2006-6-28 12874 Sierra Northwest slope of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1835 Comment
  SEINET3166408  Boechera constancei P. J. Alexander 2009-5-26 1046 -A, B Sierra West slope of the northern Sierra Nevada, 1.8 miles (linear) NE of Gibsonville on the road to Johnsville, 2.3 miles WNW of Mount Etna, 13.2 miles SSE of Quincy, Plumas National Forest. 1762 Comment
  CAS-BOT-BC13857  Boechera inyoensis Lowell Ahart 1981-6-23 2869 A Sierra South of Stafford Mountain, 12 mile northeast of La Porte. 609 Comment
  CHSC63122  Boechera pinetorum Lowell Ahart 1994-7-1 7444 Sierra On the north side of the larger pond, slope on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  UC614623  Boechera pinetorum L. Constance 1938-6-9 2307 Sierra 2.4 mi nw Sattley (e side of Yuba Pass); Yuba Pass 1524 Comment
  CAS-BOT-BC14539  Boechera puberula W. Harnach; N. Harnach 1989-5-7 061 Sierra Sierra Valley. Newman Point. 1524 Comment
  CAS-BOT-BC14636  Boechera rectissima Gordon H. True; J. T. Howell 1967-8-19 4024 Sierra Sagehen - Independence Lake Road ca. 4.5 miles northwest of Sagehen Creek. 2133 Comment
  CAS-BOT-BC25603  Boechera retrofracta L. Constance 1938-6-9 2307 Sierra East side of Yuba Pass, 2.4 miles northwest of Sattley. 1524 Comment
  CAS-BOT-BC25602  Boechera retrofracta Arthur Chan 1981-5-16 87 Sierra Beside a dirt road, located east of Sattley 10.3 miles. Comment
  CHSC467  Boechera stricta V. Holt 1942-7-2 Sierra Gold Lake. 1950 Comment
  CAS-BOT-BC25934  Boechera suffrutescens John Thomas Howell; Gordon H. True 1970-7-14 5522 Sierra At Verdi Peak Lookout, Verdi Range. 2560 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-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
  JEPS95005  Boykinia occidentalis Vernon Oswald and Lowell Ahart 1997-8-19 8823 Sierra 3.6 mi s of Goodyears Bar (Mountain House Road (County Road 300) at Young America Creek); Mountain House Road, Young America Creek 1112 Comment
  CAS-BOT-BC127785  Brickellia grandiflora L. S. Smith 1932-8-10 2725 Sierra Church Meadows 2133 Comment
  CAS-BOT-BC127872  Brickellia greenei Lowell Ahart 1977-8-2 s.n. Sierra on the north side of Mount Fillmore. Red Fir Forest 2000 Comment
  UCD139112  Brodiaea coronaria Robert E. Preston 2003-5-31 2156 Sierra ca. 3 miles north of Redding, along Twinview Blvd., 0.25 mile north of Oasis Road. 196 Comment
  SEINET10533844  Brodiaea multiflora John G. Lemmon Lemmon 110 Sierra Sierra Valley Comment
  SEINET4345384  Bromus carinatus W. D. Billings 1951-7-8 2115 Sierra Hillside west of Weber Lake Comment
  CHSC105984  Bromus carinatus var. carinatus Lowell Ahart 2010-9-15 17177 Sierra Along the poor road, 5 yards north of the first pond, 8 yards northwest of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  UCD59115  Bromus carinatus var. marginatus A. A. Beetle 1944-8-17 3047 Sierra 5 miles northeast of Sierraville. Comment
  UCD59235  Bromus carinatus var. marginatus L. S. Smith 1916-6-30 670 Sierra Dog Valley Summit. Comment
  UCD58843  Bromus inermis John Thomas Howell 1962-6-18 37830 Sierra Sierra Nevada. Sattley. 1524 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
  JEPS110363  Bromus japonicus Lowell Ahart 2006-6-21 12823 Sierra On the north side of the road, about 2 miles (by road) west of Forest 1329 Comment
  CHSC94136  Bromus laevipes Lowell Ahart 2006-6-21 12805 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany. 1093 Comment
  JEPS75676  Bromus orcuttianus W. L. Jepson 1934-8-4 16850 Sierra 2 mi e of Bassett Station (North Fork Yuba River, Pioneer Road Station); North Fork Yuba River, Pioneer Road Station 1706 Comment
  UCD59267  Bromus orcuttianus L. S. Smith 1916-6-30 723 Sierra Dog Valley east side. Comment
  CAS-BOT-BC161651  Bromus secalinus Alice Eastwood 1918-6-29 7929 Sierra Loyalton. Comment
  CAS-BOT-BC161631  Bromus sterilis John Thomas Howell; Gordon H. True 1969-6-25 45859 Sierra Sierra Nevada. North Fork of Yuba River, 5 miles east of Indian Valley. 762 Comment
  CAS-BOT-BC185608  Bromus tectorum Catherine Best 1981-6-14 s.n. Sierra Sierra Nevada. Herrington's, Sierra City. Comment
  JEPS95352  Bulbostylis capillaris Lowell Ahart 1994-7-1 7438 Sierra 11 air miles NE of Alleghany (S of the larger pond, N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, 1 1/2 mi NE of Middlewaters) 1889 Comment
  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
  CHSC69972  Calamagrostis canadensis L. P. Janeway; Eric Schroder 1997-8-20 5353 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. On flats along creek. 2042 Comment
  CAS-BOT-BC487487  Calochortus albus D. S. Smith 1926-4-12 1765 Sierra Above South Fork Yuba-Downieville Rd 609 Comment
  SEINET12054005  Calochortus coeruleus J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. Comment
  CHSC110270  Calochortus leichtlinii L. P. Janeway 2012-6-24 10900 B 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
  UC337915  Calochortus leichtlinii J. G. Lemmon Sierra Webber Lake Comment
  UC337916  Calochortus leichtlinii J. G. Lemmon Sierra Meadow Lake Comment
  SEINET12053902  Calochortus leichtlinii J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. Comment
  SEINET5323734  Calochortus leichtlinii P. B. Kennedy, Samuel Bradford Doten 1901-7-5 88 Sierra [Sierra Nevada] Webber Lake 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
  CHSC43358  Calochortus monophyllus Lowell Ahart 1972-4-28 88 Sierra Along Scales Road, about 10 miles south of La Porte, about 2 miles west of Scales. 1066 Comment
  UCR53700  Calochortus monophyllus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 0871 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
  RSA0120946  Caltha biflora Robert Gustafson 1985-6-10 3142 Sierra near the jct. of Hwy. 49 and Forest Service Rd. 12, Yuba Pass Summit. 2043 Comment
  CAS-BOT-BC181491  Caltha leptosepala Rimo Bacigalupi 1927-7-2 1627 Sierra Slopes above North Fork of Yuba River halfway between Downieville and Sierra City 2072 Comment
  CAS-BOT-BC181492  Caltha leptosepala Rimo Bacigalupi 1927-7-2 1627 Sierra Banks of north fork of Yuba River 2 miles west of Yuba Pass 1920 Comment
  CAS-BOT-BC181498  Caltha leptosepala W. R. Dudley 1894-8-30 s.n. Sierra By road west form Webber Lake to Mountain Lake Comment
  UCD22668  Calyptridium Linda Farley 1990-5-13 14 Sierra Near Sierraville. 1981 Comment
  HSC17638  Calyptridium monospermum R. Spellenberg 1964-6-14 387 Sierra 7 mi. W of Sierraville on Hwy. 49 Comment
  SEINET11933905  Calyptridium umbellatum F. H. Utech 1986-1 86 -053 Sierra Tahoe National Forest, Wild Plum Recreation Area, ca 2.0 mi E of Sierra City on CA hwy 49 1350 Comment
  JEPS125737  Calystegia malacophylla William Harnach 2015-5-6 1406 Sierra 1.2 mile South of Goodyears Bar (from the intersection at highway 49) on Mountain House Road. Comment
  UCD126107  Calystegia malacophylla Adeline Frederick 1925-6-28 s.n. Sierra Downieville. Comment
  RSA360197  Camassia leichtlinii subsp. suksdorfii Robert Gustafson 1985-6-10 3141 Sierra At the jct of Hwy 49 and Forest Service Road 12, Yuba Pass summit. 2043 Comment
  CAS-BOT-BC497267  Camassia leichtlinii var. suksdorfii G. L Smith 1959-6-19 1191 Sierra Clark Sta. 3 mi. below Yuba Pass. David Snyder summer home. 1889 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
  UC640528  Camassia quamash subsp. breviflora Frank W. Gould 1940-6-25 437 Sierra 4 mi s of Sierraville 1828 Comment
  CAS-BOT-BC497576  Camassia quamash subsp. breviflora Frank W. Gould 1940-6-25 437 Sierra Four miles south of Sierraville 1828 Comment
  CAS-BOT-BC497577  Camassia quamash subsp. breviflora N. Harnach; W. Harnach 1989-5-9 065 Sierra Sierra Valley, Kirkpatrick Ranch 1504 Comment
  CAS-BOT-BC497579  Camassia quamash subsp. breviflora N. Harnach; W. Harnach 1989-5-20 102 Sierra Sierra Valley, Kirkpatrick Ranch 1498 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
  SJSU10386  Camassia quamash subsp. breviflora H. L. Buckalew 1964-7-16 Sierra Yuba Pass 2042 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
  CAS-BOT-BC215584  Camissonia W. Harnach; N. Harnach 1990-5-6 283 Sierra Sierra Valley. On the slope behind the Montgomery Ranch east of Loyalton 1554 Comment
  SEINET5344110  Camissonia pusilla W. Harnach, N. Harnach 1990-5-6 283 Sierra Sierra Valley. On the slope behind the Montgomery Ranch (Elephant Head) east of Loyalton 1554 Comment
  CAS-BOT-BC160847  Camissonia tanacetifolia subsp. quadriperforata James R. Shevock 1985-5-19 11144 Sierra Sierra Valley. Along California highway 49 just south of Rice Hill, 4.3 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  CAS-BOT-BC32394  Camissonia tanacetifolia subsp. quadriperforata Peter Hamilton Raven 1963-5-28 18416 Sierra 6.2 miles N of Sierraville on road to Loyalton. Comment
  SEINET10463144  Campanula prenanthoides John G. Lemmon 1874-1 Lemmon s.n. Sierra Comment
  SEINET10463191  Campanula prenanthoides Goerges 1953-7-19 GOERGES s.n. Sierra Lake Vera, north Fork Yuba River. Comment
  SEINET10463466  Campanula scouleri John G. Lemmon 1874-1 Lemmon 4546 Sierra Comment
  SEINET10463467  Campanula scouleri John G. Lemmon 1874-1 Lemmon s.n. Sierra Comment
  SEINET11196027  Capsella bursa-pastoris W. Harnach 1990-4-22 269 Sierra Approx 0.6 miles N of Hwy 49, W side of Herriot Lane. 1494 Comment
  SEINET11196170  Cardamine breweri W. Harnach, N. Harnach 1990-6-6 347 Sierra 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  POM308693  Cardamine breweri Betty J. Jorgensen 1944-6-22 485 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  CAS-BOT-BC37353  Cardamine californica Alice Eastwood 1918-4-6 6772 Sierra Downieville. Comment
  NY532208  Carduus nutans M. J. Williams 1974-8-17 74-S- 53 Sierra Verdi Ridge Road, Verdi Range 2133.6 Comment
  RSA364518  Carex Robert Gustafson 1985-6-10 3146 Sierra SFSU Sierra Nevada Field Station, ca. 6 miles below Yuba Pass summit on Highway 49 1921 Comment
  CDA38808  Carex abrupta L. Ahart 2010-9-15 17191 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. Comment
  CHSC108110  Carex abrupta Lowell Ahart 2011-9-23 17696 Sierra About 100 yards north of Pass Creek, about 300 yards south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake. 2016 Comment
  RSA794972  Carex abrupta L. Ahart 2010-9-15 17191 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring., About 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak 2135 Comment
  CAS-BOT-BC17802  Carex amplifolia J. G. Lemmon s.n. Sierra Sierra Valley. Olsens Ranch. Comment
  CAS-BOT-BC17892  Carex angustata John Thomas Howell 1951-8-21 28250 Sierra Sierra Nevada. 5 miles from Calpine on road to Blairsden. 1524 Comment
  CHSC55549  Carex angustata L. P. Janeway 1984-8-25 1085 Sierra At a lake just SW of Snag Lake. 2026 Comment
  CHSC59010  Carex angustata Lowell Ahart 1992-7-17 6790 Sierra A wet boggy meadow, east of the logging road, about 2 (air) miles east of Quartz Point, about 6 (air) miles south-east of Downieville. 1706 Comment
  CHSC69917  Carex angustata L. P. Janeway; Eric Schroder 1997-8-14 5343 Sierra Church Meadows; about 1.5 mi east of Gold Lake. 2072 Comment
  CHSC69919  Carex angustata L. P. Janeway; Eric Schroder 1997-8-20 5355 Sierra Church Meadows; about 1.5 mi east of Gold Lake. 2042 Comment
  CDA9660  Carex aquatilis D. W. Taylor 2003-8-2 s.n. Sierra SFSU Field Station near Bassetts. Comment
  CAS-BOT-BC18121  Carex athrostachya D. E. Breedlove 1962-6-13 3496 Sierra Along state Highway 89, 6.8 miles north of Sierraville. 1524 Comment
  CHSC37202  Carex bolanderi L. Ahart 1982-7-28 3728 Sierra Near a small spring and near the dirt rd n of the Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  UCD140155  Carex bolanderi A. H. Fredrick 1925-6-27 s.n. Sierra Downieville. Comment
  RSA0058983  Carex brainerdii Peter F. Zika 2013-6-28 26262 Sierra Road 301, 4.2 road miles NW of dam on Jackson Meadows Reservoir, 6 air km ESE of Keystone Mountain. Northern High Sierra Nevada. 1945 Comment
  CAS-BOT-BC34212  Carex canescens Lewis S. Rose; J. W. Stacey 1934-7-3 34324 Sierra Gold Lake. 1950 Comment
  CAS-BOT-BC34213  Carex canescens Lewis S. Rose; J. W. Stacey 1934-7-3 34324 Sierra Gold Lake. 1950 Comment
  POM203477  Carex canescens L. S. Rose 1934-7-3 34324 Sierra Meadow, Gold lake 1951 Comment
  JEPS96041  Carex capitata Vernon H. Oswald and Lowell Ahart 1996-8-19 8221 Sierra Yuba Pass-Weber Lake Rd (Forest Rt. 12) 1.5 mi s road to Haypress Valley; northern High Sierra Nevada 2194 Comment
  SEINET4292081 Image available Carex davyi Unknown 2008-1 23919 Sierra Sagehen Experimental Forest, Truckee Ranger District, Tahoe National Forest (Sierra Nevada Highlands) SNH. Above culvert of Forest Service Road 260, 1.05 road miles W of Route 89 onthe signed ((( mi) road to Sagehen Campground. Comment
  SEINET7556311 Image available Carex davyi Robert F. C. Naczi 2006-8-4 11433 Sierra Ca 12 mi SSE of Sierraville, N of Truckee, along Forest Service Road 11, 0.9 mi W of junction of Road 11 and route 89, 0.2 mi E of junction of Road 11 and road to Independence Lake. 1992 Comment
  CDA11865  Carex douglasii G. F. Hrusa, J. Jokerst 1991-7-5 8565 A Sierra Sierra Valley Region; Antelope Valley. Comment
  UCD84076  Carex douglasii 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
  SEINET10650295  Carex exserta Carl W. Sharsmith 1937-7-15 Sharsmith 2481 Sierra Mono County. Summith of Dana Plateau in unglaciated metamorphics, vicinity of Mount Dana, Sierra Nevada. Comment
  CAS-BOT-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
  JEPS63532  Carex fracta W. L. Jepson 1934-8-2 16781 Sierra 2 mi e Bassett sta.; North Fork Yuba River, Pioneer road sta. Comment
  JEPS88071  Carex heteroneura Vernon H. Oswald and Lowell Ahart 1996-8-19 8206 Sierra Yuba Pass-Weber Valley Rd (Forest Rt. 12) 1.3 mi s road to Bassetts (at creek); northern High Sierra Nevada, Long Valley Creek 2225 Comment
  CAS-BOT-BC20964  Carex heteroneura Gordon H. True 1971-9-7 7045 Sierra On Mt. Lola Trail, Cold Stream Canyon. 2316 Comment
  CHSC82991  Carex heteroneura var. heteroneura L. P. Janeway; B. Castro 2001-7-1 7253 Sierra Northern High Sierra Nevada. From springs on lower northwest flank of Table Rock 0.8 km southwest of Howland Flat, along Road 21N08. 1768 Comment
  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
  JEPS117600  Carex hoodii Lowell Ahart 2010-9-15 17184 Sierra On the north edge of the first pond, south side of the road and west of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  UC733663  Carex integra L. S. Smith 1927-7-18 2106 Sierra Milton range section 16 Tahoe National Forest 2133 Comment
  CAS-BOT-BC35515  Carex jonesii D. E. Breedlove 1962-6-13 3480 Sierra along State Hwy. 89, 10.7 miles north of Sierraville 1615 Comment
  CHSC55439  Carex jonesii L. P. Janeway 1984-9-15 1158 Sierra N-facing slope on ridge between Young America Lake and Tamarack Lake, on Tamarack Lake side. 2194 Comment
  UC55267  Carex jonesii H. M. Hall and E. B. Babcock July, 1903 4519 Sierra Yuba Pass Sierra Nevada Mountains 1981 Comment
  SEINET3292001 Image available Carex kelloggii Lewis S. Rose 1934-7-9 Sierra Squaw Lake near Gold Lake. 2012 Comment
  JEPS100365  Carex lemmonii Dean W. Taylor 2001-6-6 17772 Sierra headwaters of Rock Creek in vicinity of Union Hill-Scales; fen along Forest Road 35, Plumas National Forest 1341 Comment
  CHSC54571  Carex lenticularis var. lipocarpa Lowell Ahart 1991-7-22 6685 Sierra On the bottom of a very small branch of Pass Creek in French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  CHSC61930  Carex lenticularis var. lipocarpa Lowell Ahart 1993-9-24 7262 Sierra On the south side of Pearson Ravine, about 1/10 mile south of the dirt road from Gibsonville to Johnsville, at the very base and on the north side of Mount Fillmore. 1981 Comment
  CHSC73451  Carex luzulifolia B. Castro; L. Gehrung, H. Durio 1995-9-14 648 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 NW-facing midslope terrace of mtn, feeding Pearson Ravine via springs and cascades. In center of easternmost meadow. 2109 Comment
  HSC93249  Carex luzulifolia Vernon H. Oswald, L. Ahart 1996-8-19 8197 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12), just S of road to Lincoln Valley 2256 Comment
  JEPS88195  Carex luzulifolia Vernon H. Oswald and Lowell Ahart 1996-8-19 8197 Sierra Yuiba Pass--Weber Lake Road (Forest Rt. 12) just S of road to Lincoln Valley Northern High Sierra 2255 Comment
  CAS-BOT-BC31574  Carex luzulifolia Lowell Ahart 1978-9-26 s.n. Sierra Mt. Fillmore. 670 Comment
  RSA286324  Carex luzulina var. ablata Robert F. Thorne 1974-7-30 45052 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2057 Comment
  UCSB63790  Carex microptera Janeway, L. 1998-7-24 Sierra T21N, R12E, SE1/4 of NW1/4 of sec. 22; Clio quad.; west end of Church Meadows; west side of Road 721; 0.3 mi. northeast of Gold Lake Hwy. (Road 620) 2033 Comment
  CHSC60560  Carex multicaulis L. P. Janeway 1984-8-3 964 Sierra Top of ridge west of Packer Lake and north of Packer Saddle. 2194 Comment
  JEPS110367  Carex multicaulis Lowell Ahart 2006-6-21 12844 Sierra On the east side of the road, about 3 1/2 miles (by road) northwest of Forest 1421 Comment
  UCD140650  Carex multicaulis Adeline Frederick 1925-6-29 s.n. Sierra Slug Canon, Downieville. Comment
  SEINET10817225  Carex multicaulis Lawrence P. Janeway 1984-8-3 Janeway 964 Sierra Sierra City quad. T20N, R12E, NE1/4 of sec. 6. Top of ridge west of Packer Lake and north of Packer Saddle. South-facing slope along edge of loging skid-trail in logged red fir forest. Mostly open, dry. 2195 Comment
  CHSC53529  Carex multicostata L. P. Janeway 1984-7-29 944 Sierra Vicinity of Sierra Buttes; near Road 28 (21N11) ca 3 1/2 mi from Gold Lake, on ridgetop/saddle. 2225 Comment
  CDA9673  Carex nebrascensis D. W. Taylor, D. G. Kelch 2003-8-2 Sierra Yuba Pass. Comment
  CHSC81064  Carex nebrascensis Lowell Ahart 2001-8-10 9069 Sierra 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
  JEPS102677  Carex nebrascensis Lowell Ahart 2001-8-10 9069 Sierra 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
  UCD140679  Carex nebrascensis Beecher Crampton 1958-6-24 4943 Sierra 12 miles south of Sierraville, along the Little Truckee River. 1828 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
  CHSC77244  Carex pellita G. Schoolcraft 1996-6-26 2527 Sierra Long Valley Creek s. of Halleluja Junction. 1524 Comment
  CHSC99424  Carex petasata Robert F. C. Naczi 2006-8-4 11433 Sierra Ca. 12 mi SSE of Sierraville, N of Truckee, along Forest Service Road 11, 0.9 mi W of junction of Road 11 and route 89, 0.2 mi E of junction of Road 11 and road to Independence Lake. 1991 Comment
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Apr 20 2011
  SEINET13697590  Carex praegracilis G. Schoolcraft 1996-6-26 2526 Sierra Long Valley Creek near Halleluja Junction 1524 Comment
  CHSC54570  Carex raynoldsii Lowell Ahart 1991-7-22 6686 Sierra In French Meadow, near a small branch of Pass Creek, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  CHSC110235  Carex rossii L. P. Janeway 2012-6-24 10912 Sierra Northern High Sierra Nevada. Top of Sawmill Ridge 45 m south-west of Gibsonville-Johnsville Road, 2.3 km northwest of Mt Fill-more. 1882 Comment
  CHSC53533  Carex rossii L. P. Janeway 1984-8-19 1056 Sierra Sierra Nevada crest north of Sierra Buttes. Near second switchback (towards SE) down from Packers Saddle. 1981 Comment
  CHSC53545  Carex rossii L. P. Janeway 1984-8-3 968 Sierra Sierra Nevada crest north of Sierra Buttes and west of Packer Lake. 2164 Comment
  CHSC53658  Carex rossii L. P. Janeway 1984-8-25 1080 Sierra Near edge of small lake, just SW of Snag Lake. 2026 Comment
  JEPS117644  Carex rossii Lowell Ahart 2010-8-3 17031 Sierra On a poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast 1731 Comment
  CAS-BOT-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
  UCSC000110  Carex rostrata Unknown unknown s.n. Sierra Sierra Valley Comment
  CHSC73471  Carex scopulorum var. bracteosa B. Castro; L. Gehrung, H. Durio 1995-9-14 647 Sierra Mt. Fillmore Mdws: Mdw 1. Ca 0.6 air mi SW of the top of Mt. Fillmore, and ca 0.5 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. Series of 4 meadows on NW-facing midslope terrace of mtn, feeding Pearson Ravine via springs and cascades 2103 Comment
  CHSC77251  Carex simulata G. Schoolcraft 1996-6-26 2528 Sierra Long Valley Creek s. of Hallelujah Junction. 1524 Comment
  JEPS100490  Carex simulata Lowell Ahart 2000-7-13 8586 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
  CHSC57143  Carex spectabilis L. P. Janeway; Garrett Gibson 1991-8-16 4138 Sierra Plumas National Forest. Northeast side of top of ridge between Mills Peak and Mohawk Gap; ca 1 1/4 mi southeast of Mills Peak. 2237 Comment
  CHSC61889  Carex spectabilis Lowell Ahart 1993-9-10 7221 Sierra On the north side of Mount Fillmore, about 1 1/2 miles south of the dirt road from Gibsonville to Johnsville. 2255 Comment
  CAS-BOT-BC117103  Carex spectabilis Lewis Samuel Rose 1934-7-7 34346 Sierra Mountain meadow ridge SW of Gold Lake. 2103 Comment
  UC835744  Carex spectabilis Lewis S. Rose 1934-7-7 34346 Sierra ridge sw 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
  CAS-BOT-BC116986  Carex straminiformis L. P. Janeway; Garrett Gibson 1991-8-16 4139 Sierra NE side of top of ridge between Mills Peak and Mohawk Gap, ca 1 1/4 mi SE of Mills Peak. 2237 Comment
  CAS-BOT-BC115863  Carex subfusca Gordon H. True 1971-9-7 7034 Sierra Stringer on slope W of large meadow in cold Stream Canyon ca 3.5 mi S of Perazzo meadows. 2377 Comment
  CHSC41184  Carex subfusca J. D. Jokerst 1984-7-23 2113 Sierra Several miles east of Sierra City, ca. 200 feet north of Haypress Creek. 1767 Comment
  UC1133471  Carex subfusca L. S. Smith 1927-7-27 2118 Sierra Dorsey Station, Yuba Pass Road Tahoe <National Forest>, Downieville Quadrangle Comment
  UC55218  Carex subfusca H. M. Hall and E. B. Babcock July, 1903 4487 Sierra Lower Sardine Lake Sierra Nevada Mountains, Sierra Buttes 1828 Comment
  CAS-BOT-BC115873  Carex subfusca Catherine Best 1980-6-12 s.n. Sierra Herrington's Sierra City. Comment
  SEINET3908439  Carex subfusca Kenneth R. Genz 1978-7-25 8476 Sierra Dog Valley.; 0 1829 Comment
  CAS-BOT-BC115181  Carex vernacula Lowell Ahart 1980-9-9 s.n. Sierra Rocky gorge between the outlet of Webber Lake and Little Truckee River. 2200 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
  POM203479  Carex vesicaria L. S. Rose 1934-7-3 34325 Sierra Meadow, Gold lake 1951 Comment
  POM203482  Carex vesicaria L. S. Rose 1934-7-9 34340 Sierra Squaw Lake near Gold Lake. 2012 Comment
  PASA1926  Carum gairdneri Margaret Stason 1932-6-21 431 Sierra near hobart mills Comment
  CAS-BOT-BC249015  Castilleja W. Harnach; N. Harnach 1989-4-22 035 Sierra Sierra Valley. Sattley transfer station (dump) 1496 Comment
  CAS-BOT-BC249349  Castilleja applegatei Lowell Ahart 1982-7-28 3706 Sierra About 1/8 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  UCR270724  Castilleja applegatei John F. Emmel 1999-6-5 1622 Sierra Sierra Nevada Mtns., Verdi Range; along Henness Pass Road, 1 road mile SE of summit 1756 Comment
  SJSU4996  Castilleja applegatei subsp. disticha N. A. Hopkins 1968-6-30 139 Sierra 0.25 mi N of Packer L 1859 Comment
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Mar 2 2015
  CHSC63174  Castilleja applegatei subsp. pinetorum Loweel Ahart 1994-7-1 7422 Sierra On the north side of Henness Pass Road, at Keystone Gap, east of Kwystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1950 Comment
  CHSC82130  Castilleja applegatei subsp. pinetorum James D. Jokerst 1986-6-19 2652 Sierra Turner property, S end of Sierra Valley, E and adjacent to Hwy. 49 ca. 1 mi NW of junction with Hwy.89. Knoll 5442 and surrounding forest. 1658 Comment
  JEPS29718  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi, and L. R. Heckard 1962-5-27 8475 Sierra 2 mi s Sierraville (at edge of Sierra Valley); Sierra Valley 1615 Comment
  JEPS8015  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Lawrence R. Heckard 1951-8-8 3486 Sierra 1 mi w summit of Yuba Pass (along Calif Hwy 49) 1950 Comment
  RSA519295  Castilleja applegatei subsp. pinetorum B. Pitzer, S. Morgan, H. M. Soldan 1988-5-29 965 Sierra Plumas National Forest, ca. l mi. S of Sierra County line on Hwy 89. 1585 Comment
  UC1012225  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jun 12 1940-Jun 13 1940 25837 Sierra s of Sierraville (Route 89, along Gold Creek); Gold Creek 1615 Comment
  UC585188  Castilleja applegatei subsp. pinetorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1618 Sierra 1.5 mi s Sierraville (on highway) 1615 Comment
  CAS-BOT-BC243736  Castilleja applegatei var. pinetorum James T. Vale 1981-5-23 s.n. Sierra On road from Sierraville to Truckee, Sierra Nevada Comment
  CHSC1721  Castilleja arachnoidea V. Holt 1943-7-10 Sierra Gold Lake. 1950 Comment
  JEPS62317  Castilleja arachnoidea G. L. Stebbins 1970-7-25 Sierra nw ridge Mt. Fillmore 1950 Comment
  SJSU12055  Castilleja arachnoidea N. A. Hopkins 1974-8-6 625 Sierra 0.5 mi NW of Packer L 2103 Comment
  SJSU13882  Castilleja arachnoidea N. A. Hopkins 1986-6-30 1348 Sierra 2158 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
  UCD122596  Castilleja lacera N. Hopkins 1982-6-19 209 Sierra 1 mi S of Calpine. Comment
  CAS-BOT-BC254097  Castilleja miniata George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CHSC53173  Castilleja miniata L. P. Janeway 1989-8-16 3593 Sierra Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. 2133 Comment
  JEPS8016  Castilleja miniata Rimo Bacigalupi with Lawrence R. Heckard 1951-8-8 3485 Sierra about 6 mi n Sierra Buttes; Church Creek Meadows 2057 Comment
  JEPS81479  Castilleja miniata M. S. Taylor 1982-8-20 5030 Sierra ca 3 air mi ne Sierra City (at Big Springs (Lavezolla fountain), on w side of Hwy 49); Sierra City Quad., Big Springs Comment
  JEPS9760  Castilleja miniata W. L. Jepson 1934-8-3 16828 Sierra 2 mi e Bassett station (Pioneer road station); North Fork Yuba River 1706 Comment
  CAS-BOT-BC254096  Castilleja miniata Lewis S. Rose 1934-7-13 34358 Sierra Stream banks, Gold Lake 1950 Comment
  UCD122972  Castilleja miniata N. Hopkins 1983-9-1 1174 Sierra ca. 0.25 mi W of Packer Lake. Comment
  UCSB18370  Castilleja miniata subsp. miniata Breedlove, Dennis 1962-6-13 Sierra State Highway 89, 11.3 miles south of Sierraville; Sierra Nevada 1905 Comment
  CAS-BOT-BC384648  Castilleja minor Andrew Townesmith; Karen M. Meyer 2007-7-16 812 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 1.1 miles west of junction with county road 860 1916 Comment
  CAS-BOT-BC241046  Castilleja pilosa Alice Eastwood 1918-6-29 7812 Sierra Loyalton Comment
  CAS-BOT-BC241049  Castilleja pilosa Catherine Best 1982-7-12 751 Sierra Gold Lake 1950 Comment
  CHSC57316  Castilleja pilosa L. P. Janeway 1984-8-11 979 Sierra Northwest of Sierra Buttes. 2316 Comment
  JEPS50663  Castilleja pilosa Herbert L. Mason 1958-7-13 Sierra about 0.5 mi w Calif. Hwy. 89 (and about 2.5 mi n of Sierra-Nevada County line) 1950 Comment
  OBI59424  Castilleja pilosa Rimo Bacigalupi, H. L. Mason & J. R. Sweeney 1953-7-7 4266 Sierra Near Calpine, Sierra Valley 1494 Comment
  UC1567927  Castilleja pruinosa F. H. Utech 1986-5-9 86 -60 Sierra ca 1.0 mi e from Downieville (village) Calif Hwy. 49 (outcrop along North Yuba River); Tahoe National Forest 950 Comment
  CHSC105776  Castilleja tenuis Lowell Ahart 2010-9-15 17175 Sierra Along the west side of a poor road, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  JEPS4521  Castilleja tenuis Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4291 Sierra from Hawley R.R. station on W.P. main line s to Loyalton (Middle of Sierra Valley); Sierra Valley 1481 Comment
  SBBG7050  Castilleja tenuis H. and M. Dearing 1939-7-4 3820 Sierra Gold Lake Comment
  CHSC78263  Ceanothus arcuatus Lowell Ahart 2000-6-15 8477 Sierra On the west side and below Mountain House Road, about 1 mile south of the intersection of Mountain House Road and Henness Pass Road, about 1 mile (air) northwest of Forest, about 2 miles (air) northwest of Alleghany. 1463 Comment
  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
  RSA212220  Ceanothus cordulatus L. S. Rose 1969-6-25 69056 Sierra Gold Lake. 1951 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
  SEINET5339260  Ceanothus cordulatus C. G. Gulling 1906-1 s.n. Sierra Sierra Valley Comment
  SEINET5339261  Ceanothus cordulatus S. B. Doten 1901-7-12 163 Sierra [Sierra Nevada] Near Webber Lake Comment
  SJSU12024  Ceanothus cordulatus N. A. Hopkins 1978-6-7 910 Sierra 1524 Comment
  JEPS125680  Ceanothus cuneatus William Harnach 2013-4-6 1299 Sierra 1.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  UC1070926  Ceanothus cuneatus var. cuneatus A. Lewis 1934-9-10 533 Sierra 1/2 mi w. Downieville; Downieville quad., Tohoe Nat. For. 914 Comment
  CAS-BOT-BC63648  Ceanothus integerrimus Lowell Ahart 1979-7-15 s.n. Sierra Southeast-facing of Stafford Mtn. A small part of a shrub growing on a small hill below road s. of Stafford Mtn. 1800 Comment
  JEPS78151  Ceanothus integerrimus Gary W. Zamzow 1972-6-27 32 Sierra down Sardine Lake Road at Sand Pond 2 mi from Highway 49 (100 m nw of bath house); down Sardine Lake road at Sand Pond 1828 Comment
  UCD69654  Ceanothus integerrimus Liz Sharpe 1982-5-22 11 Sierra At benchmark G213 on Highway 49; area dominated by Pinus; abundant shrub in clearing, 8' tall, flower white. Comment
  UCR197002  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2008-5-20 13483 Sierra Sierra Nevada Mountains Foothills, Henness Pass road, 3.4 miles northeast of Camptonville 1261 Comment
  SEINET12211099  Ceanothus integerrimus F. H. Utech 1986-1 86 -072 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 Comment
  CHSC46506  Ceanothus integerrimus var. californicus Lowell Ahart 1979-7-15 1964 Sierra South of the Johnsville Road, south-east of Stafford Mountain, about 1 mile east of Mount Etna. 1828 Comment
  SJSU14259  Ceanothus lemmonii N. A. Hopkins 1989-4-28 1485 Sierra by Ridge Rd to Allegheny c. 1.5 mi off Hwy 49 914 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-BC52109  Ceanothus prostratus M. P. Johnson 1961-5-19 86 Sierra Sand Pond 1524 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-BC52112  Ceanothus prostratus John Thomas Howell; Gordon H. True 1969-6-25 45847 Sierra 3 miles north of Bassetts on road to Gold Lake 1950 Comment
  CAS-BOT-BC53124  Ceanothus prostratus W. R. Dudley 1909-8-26 s.n. Sierra Near Hot Springs, Sierra Valley Comment
  SJSU12017  Ceanothus prostratus N. A. Hopkins 1975-6-21 682 Sierra between Dugans Pond & Saxonia L 1889 Comment
  UC1071278  Ceanothus prostratus A. Lewis 1934-11-6 544 Sierra 4 mi n Sierraville; Tahoe National Forest, Sierraville Quad. 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
  RSA758806  Ceanothus velutinus subsp. velutinus D. H. Wilken, E. L. Painter 2007-6-18 16756 Sierra State Highway 49 between Big Canyon and Turner Canyon, 1.6 km northeast of Yuba Pass. 1900 Comment
  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
  CAS-BOT-BC277216  Centaurea solstitialis W. Harnach; N. Harnach 1991-7-24 657 Sierra Sierra Valley. Lemon Canyon road, approx 1 1/2 miles east of Hwy 49 1524 Comment
  CHSC94152  Cephalanthera austiniae Lowell Ahart 2006-6-21 12845 Sierra On the east side of the road, about 3 1/2 miles (by road) northwest of Forest. 1421 Comment
  UCR249148  Cerastium vulgatum George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20759 B Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  SJSU13981  Cercocarpus ledifolius N. A. Hopkins 1988-5-16 1404 Sierra Long Valley Rd near Dog Valley 1920 Comment
  CAS-BOT-BC148507  Cercocarpus ledifolius var. ledifolius W. Harnach; N. Harnach 1990-6-10 353 Sierra Sierra Valley, Balderson Ranch (Antelope Valley) 1584 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
  CDA18119  Chaenactis douglasii var. douglasii G. D. Barbe, T. C. Fuller 1973-6-19 1627 Sierra Tahoe National Forest; Stateline W of Verdi on (Dog Valley Rd.) Smithneck Rd. (ca. 1 mi (1.6 km) W of Verdi). 1493 Comment
  CHSC290  Chaenactis douglasii var. douglasii V. Holt 1942-7-18 Sierra Gold Lake Summit. 2133 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
  CAS-BOT-BC276751  Chaenactis douglasii var. douglasii Lowell Ahart 1979-7-15 s.n. Sierra On the N side of Mount Fillmore, about 11 miles E of La Porte 2200 Comment
  RSA121189  Chaenactis douglasii var. douglasii G. T. Nordstrom 1936-7-9 929 Sierra Two miles north west of Dog Valley 1982 Comment
  RSA232651  Chamaebatia foliolosa Larry E. DeBuhr, Gary D. Wallace 1972-5-21 579 Sierra Tahoe National Forest; 4 miles west of Sierra City on Hwy. 49. Comment
  UCR565  Chamaebatia foliolosa Frank C. Vasek 1955-6-26 268 Sierra Northern Sierra Nevadas, Tahoe National Forest, north of Yuba River, Hwy 49, 1 mi east of Sierra City 1372 Comment
  CAS-BOT-BC165975  Chamerion angustifolium H. Albert Barker 1926-7-3 67 Sierra Packer Lake 1981 Comment
  CAS-BOT-BC68234  Cheilanthes gracillima Lowell Ahart 1982-7-28 3716 Sierra Near the Pacific Mine, about 5 miles east of La Porte. 1700 Comment
  UCSC003241  Cheilanthes gracillima Unknown 1981-8-29 283 Sierra In rock crevice on Rattlesnake Peak. 2195 Comment
  CAS-BOT-BC68229  Cheilanthes gracillima Lemmon 1880-8-1 s.n. Sierra Webber Lake 2438 Comment
  RSA85539  Cheilanthes gracillima F. W. Peirson 1914-08 1505 Sierra Devils Post Pile Comment
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Jul 4 2012
  JEPS124535 Image available Chenopodium album Virginia Hardham 1965-7-6 97 Sierra Cal-Pine Beck worth Rd. 3.4 mi from junction patley Beck worth Rd. and Hw 89. Comment
  CHSC47670  Chenopodium atrovirens Lowell Ahart 1989-8-16 6380 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir. 1706 Comment
  JEPS102360  Chenopodium berlandieri Lowell Ahart 2001-8-10 9074 Sierra about 1 1/4 mi NW of Stampede Reservoir Dam (Stampede Reservoir, about 1 mi SW of Henness Pass Road) 1810 Comment
  RSA232650  Chimaphila menziesii Larry E. DeBuhr, Gary D. Wallace 1972-5-21 580 Sierra Tahoe National Forest; 4 miles west of Sierra City on Hwy. 49. Comment
  CAS-BOT-BC39664  Chorispora tenella W. Harnach; N. Harnach 1990-5-7 285 Sierra Sierra Valley. Kirkpatrick Ranch. 1505 Comment
  CAS-BOT-BC279820  Chrysothamnus W. R. Dudley 1894-9-2 s.n. Sierra Near Cory's Station, road Truckee to Webber Lake Comment
  RSA121566  Chrysothamnus nauseosus subsp. consimilis R. C. Wilson 1938-8-9 648 Sierra Long Valley 1341 Comment
  UCD22403  Chrysothamnus viscidiflorus L. Allen; A. M. Shapiro 2001-8-1 s.n. Sierra Heriot Road, 4 airline miles NE of Sierraville. 1524 Comment
  UCD22406  Chrysothamnus viscidiflorus L. Allen; A. M. Shapiro 2001-8-1 s.n. Sierra Wallace (Torri) Ranch. About 1.5 miles NNE of Sierraville. 1493 Comment
  UC333234  Cinna latifolia unknown Sierra Sierra Comment
  CDA1132  Cirsium canescens J. Budaj 1967-7-13 s.n. Sierra 1 mi. n. of Loyalton, roadside Hwy 49. 0 Comment
  CAS-BOT-BC285547  Cirsium occidentale var. candidissimum W. Harnach; N. Harnach 1989-8-27 248 Sierra Sierra Valley 1524 Comment
  JEPS124646 Image available Cirsium occidentale var. coulteri Rechen 1964-6-30 83 Sierra 9.4 mile south on HW 89 from Little Truckee River. Comment
  CDA1511  Cirsium ochrocentrum var. ochrocentrum W. White, W. Van Gilder 1965-8-18 s.n. Sierra Sierra Valley; S side of Hwy 49, 0.5 mi W of Loyalton. 35 paces W of W. driveway of Bruce Miles ranch. Comment
  CAS-BOT-BC286269  Cirsium scariosum Alice Eastwood 1918-6-29 7924 Sierra Portola Comment
  CAS-BOT-BC228948  Cistanthe umbellata Roxana S. Ferris 1926-9-7 6845 Sierra Summit of Ebbetts Pass Comment
  CAS-BOT-BC228953  Cistanthe umbellata Ted Knowles 1961-5-9 11 Sierra 3 miles above Bocca [Boca], on Hobart Mills Road Comment
  UCD40303  Clarkia biloba Rodney Gale Myatt 1971-7-3 803 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  CAS-BOT-BC163179  Clarkia lassenensis Alice Eastwood 1918-6-29 7884 Sierra Loyalton Comment
  SEINET4145444  Clarkia lassenensis W. Harnach, N. Harnach 1989-6-21 159 Sierra Sierra Valley, Calpine Ranch, knoll in front of house 1506 Comment
  CAS-BOT-BC163415  Clarkia purpurea subsp. quadrivulnera Leah D. McKee 1881-5-17 053 Sierra Marysville Rd. & E20 (Bullard's Bar Res. Rd.) 457 Comment
  SJSU14271  Clarkia rhomboidea N. A. Hopkins 1989-6-15 1532 Sierra c. 1.5 mi SW of Calpine, Sierra Valley 1524 Comment
  UCR249643  Clarkia rhomboidea George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20779 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.7 miles west of Goodyears Bar, c. 11 miles NE of Yuba Co. line 793 Comment
  RSA0093829  Clarkia stellata George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20795 Sierra Northern Sierra Nevada Mountains Foothills. Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville. 796 Comment
  CAS-BOT-BC451754  Claytonia lanceolata M. Lavin 1982-6-10 4130 Sierra Northern Sierra Nevada. Salmon Lake just N of Sierra Buttes. 13 mi 225 deg. from Portola 1981 Comment
  RSA0080495  Claytonia lanceolata Rimo C. Bacigalupi 1927-7-3 1601 Sierra Pine woods near Yuba Pass 1951 Comment
  UC564211  Claytonia nevadensis J. G. Lemmon 1874-1 Sierra Comment
  UCR249139  Claytonia parviflora subsp. parviflora George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20767 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 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
  CAS-BOT-BC443743  Claytonia rubra subsp. rubra W. Harnach; N. Harnach 1989-5-13 079 Sierra Sierra Valley. Martinetti Ranch (Elvers). 1520 Comment
  UCD40306  Collinsia tinctoria Rodney Gale Myatt 1971-7-3 814 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  CAS-BOT-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
May 20 2021
  JEPS125648  Collomia grandiflora Shuxiao Zhang 2015-7-7 004 Sierra On E side of near end of Spring Street. Comment
  SJSU13886  Collomia grandiflora N. A. Hopkins 1986-7-15 1356 Sierra by County Rd A23 on W side of Sierra Valley 1508 Comment
  RSA490805  Collomia heterophylla B. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 878 Sierra Above Ramshorn Campground, on Hwy. 49, ca. 15 miles NE of Camptonville and ca. 5 miles W of Downieville. 823 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
  CHSC45444  Collomia tinctoria Lowell Ahart 1982-7-28 3707 Sierra On the bottom of the water ditch, about 1/8 mile north of the Pacific Mine, about 5 miles east of La Porte. 1554 Comment
  SJSU4988  Collomia tinctoria N. A. Hopkins 1968-6-30 149 Sierra 0.25 mi N of Packer L 1859 Comment
  SEINET6166282  Corallorhiza maculata W. D. Billings 1951-7-8 2114 Sierra [Sierra Nevada] Weber Peak 2286 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
  SEINET12136796  Cornus nuttallii J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  SEINET12137023  Cornus occidentalis J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  CAS-BOT-BC210386  Cornus sericea Lewis S. Rose 1934-6-29 34292 Sierra Gold Lake 1950 Comment
  CHSC53196  Cornus sericea subsp. occidentalis L. P. Janeway 1989-8-22 3625 Sierra Plumas National Forest. Midslope, NE-facing, between ridge and Hwy 89; near Sulphur Cr, ca. 3 mi E of Haskell Pk. 1920 Comment
  JEPS87624  Cornus sericea subsp. sericea Lowell Ahart 1994-7-1 7435 Sierra about 1 1/2 mi ne Middlewaters (s side of the larger pond, slope on n side Henness Pass Road at Keystone Gap, e of Keystone Mountain, about 11 mi (air) ne of Alleghany); e of Keystone Mountain, ne of Middlewaters, Keystone Gap 1889 Comment
  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
  JEPS124850 Image available Cornus sericea subsp. sericea Marge Kempf 1965-6-29 227 Sierra Collected at Union Flat Campground. Off of HWY 49 Comment
  SEINET8480663  Cornus sericea var. sericea M. J. Williams 1969-9-13 s.n. Sierra Webber Lake 2065 Comment
  CAS-BOT-BC401880  Corydalis caseana subsp. caseana Rimo Bacigalupi 1927-7-2 1628 Sierra Slopes above north fork of Yuba River halfway between Downieville and Sierra City Comment
  CAS-BOT-BC401883  Corydalis caseana subsp. caseana L. S. Smith 1938-7-15 2789 Sierra Tahoe National Forest. Along No. Fk. Yuba below Simi's Resort 1828 Comment
  CAS-BOT-BC290469  Crepis acuminata John Thomas Howell; Gordon H. True 1970-7-14 5543 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  UC346571  Crepis intermedia E. B. Babcock 1928-6-13 149 Sierra along road 4 mi e Sierraville; Tahoe Nat. For., Lemmon Canyon Comment
  UC581212  Crepis intermedia E. B. Babcock and G. L. Stebbins Jr. 1936-6-5 1711 Sierra 2 mi w Loyalton (on road to Sierraville, se edge of Valley); Sierra Valley 1600 Comment
  UC581222  Crepis intermedia E. B. Babcock and G. L. Stebbins Jr. 1936-6-5 1729 Sierra near junction of Smithneck and Bear Valley Creek (se edge of valley, 2 mi s of Loyalton); Sierra Valley 1600 Comment
  UC346524  Crepis intermedia E. B. Babcock 1928-6-12 125 Sierra Newman Pt. Sierra Valley (along road to Loyalton) Comment
  UC346546  Crepis intermedia E. B. Babcock and M. Navashin 1928-6-22 170 Sierra Newman Pt. Sierra Valley (near rd. from Sierraville to Loyalton) 1767 Comment
  SJSU13962  Crepis modocensis N. A. Hopkins 1988-5-16 1401 Sierra Long Valley Road c. 1 mi SW of Bordertown 1615 Comment
  SJSU9803  Crepis modocensis C. W. Sharsmith 1982-5-30 8655 Sierra Sierra Valley c. 3 mi W of Loyalton 1524 Comment
  UC346519  Crepis modocensis E. B. Babcock 1928-6-12 130 Sierra nr and s of Newman Pt. (along road from Sierraville to Loyalton); Sierra Valley Comment
  UC346550  Crepis modocensis E. B. Babcock and M. Navashin 1928-6-21 167 Sierra about 5 mi e Sierraville; Onion Valley Comment
  UC346529  Crepis modocensis subsp. subacaulis E. B. Babcock 1928-6-12 121 Sierra 3.3 mi n Truckee (on rd. to Hobart Mills) 1767 Comment
  UC346545  Crepis modocensis subsp. subacaulis E. B. Babcock and M. Navashin 1928-6-22 172 Sierra along Lemmon Canyon rd. 100 yd n forest boundary (s slope of peak); Tahoe Nat. For., Sardine Pk. Comment
  UC581252  Crepis modocensis subsp. subacaulis G. L. Stebbins Jr. and J. A. Jenkins 1937-5-23 2159 Sierra Casey's Mill Balls Creek (woods about, head of creek, between Loyalton and Purdy) 1820 Comment
  CAS-BOT-BC290788  Crepis occidentalis subsp. occidentalis E. B. Babcock; G. L. Stebbins, Jr. 1936-6-3 1687 Sierra Newman Point, S.E. edge of Sierra Valley, about 3 1/2 miles northeast of Sierraville on road to Loyalton 1600 Comment
  UC346547  Crepis occidentalis subsp. occidentalis E. B. Babcock and M. Navashin 1928-6-22 168 Sierra along rd to Newman Pt. 1.5 mi fr. jct. of Reno and Loyalton Rds. (nw of Sierraville); Sierra Valley Comment
  UC346514  Crepis occidentalis subsp. pumila E. B. Babcock 1928-6-12 134 Sierra n<ea>r and s Newman Pt. (along road <from> Sierraville to Loyalton); Sierra Valley Comment
  CHSC94224  Crepis pleurocarpa Lowell Ahart 2006-6-28 12881 Sierra On the south slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1903 Comment
  CAS-BOT-BC376513  Crepis runcinata subsp. andersonii A. A. Heller; P. B. Kennedy 1907-7-1 8666 Sierra Purdy Comment
  CAS-BOT-BC189265  Cryptantha W. Harnach; N. Harnach 1990-6-6 344 Sierra Martinetti Ranch, Sierra Valley 1517 Comment
  CAS-BOT-BC189267  Cryptantha W. Harnach; N. Harnach 1991-7-14 621 Sierra Coburn Lake, approximately 0.25 mile below the outlet of lake, Sierra Valley 2279 Comment
  UC79301  Cryptantha muricata F. H. Hillman 1895-6-29 Sierra Dog Valley Road Comment
  SEINET12564966  Cryptantha simulans M. J. Williams, A. Tiehm 1974-8-17 74 -S-54 Sierra Verdi Ridge Road. 2134 Comment
  UC1562299  Cryptantha simulans Lowell Ahart 1990-7-8 6552 Sierra about 12 mi ne La Porte (near Bunker Hill Ridge, on the w side of Mt. Etna); Mt. Etna 2072 Comment
  CDA11879  Cryptantha torreyana G. F. Hrusa, J. Jokerst 1991-7-5 8540 A Sierra Sierra Valley Region; Antelope Valley. Near Golden Dome. 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
  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
  UCR95831  Cryptogramma acrostichoides J. G. Lemmon 1875-1 s.n. Sierra Sierra Nevada Mtns., Sierra Valley 2546 Comment
  UCSC003242  Cryptogramma acrostichoides Unknown 1981-8-30 284 Sierra Along Sunnyside Creek. 1981 Comment
  CAS-BOT-BC70470  Cryptogramma acrostichoides L. P. Janeway 1992-10-27 4319 Sierra Near top of peak along the ridgetop between Mills Peak and Haskell Peak, about 1.5 mi southeast of Mills Peak 2209 Comment
  CAS-BOT-BC70475  Cryptogramma acrostichoides J. H. Hatton 1912-9-19 H- 107 Sierra Sierra National Forest Comment
  SEINET11715796  Cryptogramma acrostichoides J. G. Lemmon 1874-1 s.n. Sierra Sierra Co., &c. 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
  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
  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
  JEPS78182  Cuscuta occidentalis Gary W. Zamzow 1972-7-11 77 Sierra 0.8 mi n Loyalton (beside road A 24) 1524 Comment
  CHSC47405  Cuscuta subinclusa Lowell Ahart 1974-9-6 623 Sierra On the south side of Johnsville Road, by large rocks, south of the Big Rocks, south-east of Mount Etna, about 10 miles north-east of La Porte. 1828 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
  UCD127375  Cymopterus terebinthinus var. californicus P. B. Kennedy 1927-5-30 s.n. Sierra Sierra Butte, Sardine Lake. 1981 Comment
  CHSC94228  Cynosurus echinatus Lowell Ahart 2006-6-21 12846 Sierra On the west side of the Foote Road, near Blue Ravine, about 3 miles (by road) southwest of Alleghany. 1053 Comment
  JEPS125981  Cypripedium fasciculatum D. W. Taylor 2001-6-18 17785 Sierra Along County Road 690 about 1.4 road miles W of Port Wine and the junction with Forest Road 21N59. Comment
  JEPS124088  Cystopteris fragilis Lowell Ahart 2015-5-9 20156 Sierra About 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. Comment
  POM174040  Cystopteris fragilis J. G. Lemmon s.n. Sierra High Sierra, notably at Webber Lake Comment
Read comments
Sep 4 2010
  UC71237  Cystopteris fragilis Parry and Lemmon Sierra near Webber lake; N Sierras Comment
  CAS-BOT-BC70704  Cystopteris fragilis J. G. Lemmon 1880-1-1 s.n. Sierra Mtns. of Webber Lake Comment
  SD9858  Cystopteris fragilis J. G. Lemmon 1876-1-1 Sierra Sierra Valley [County a guess, near Sierraville, says Andy Sanders] Comment
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Jul 11 2010
  SEINET6629010  Cystopteris fragilis S. B. Doten 1901-7-5 100 Sierra Webber Lake, near falls Comment
  SEINET6629011  Cystopteris fragilis S. B. Doten 1901-7-5 100 Sierra Webber Lake, near falls Comment
  UC366558  Cystopteris fragilis J. G. Lemmon Sierra Cataract Canyon of Webber Lake Comment
  CDA4065  Cytisus scoparius T. C. Fuller 1962-6-14 9023 Sierra On slope north of Highway 49 to Camptonville, road junction at Fiddle Creek, Indian Valley, Yuba River, 12.0 miles west of Downieville. 0 Comment
  UC1100143  Damasonium californicum Malcolm A. Nobs and S. Galen Smith 1949-8-21 1519 Sierra ca. 2 mi. n.w. Loyalton (on Harriet Lane); Sierra Valley Comment
  JEPS124718 Image available Damasonium californicum Dixie Funnell 1965-7-6 103 Sierra 1/2 mile south of Calpine Beckworth intersection with highway 89. Comment
  POM297944  Damasonium californicum J. G. Lemmon 212 Sierra [No locality information provided] Comment
  CHSC113660  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. 1366 Comment
  JEPS118491  Danthonia californica var. americana Lowell Ahart 2011-9-23 17700 Sierra About 80 yards north of Pass Creek, about 320 yards south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2016 Comment
  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
  POM365003  Danthonia californica var. americana P. B. Kennedy 1929-7-20 s.n. Sierra Salmon Lakes; above Lusk's meadow 2043 Comment
  JEPS103185  Danthonia californica var. californica G. Schoolcraft 2000-6-25 2908 A Sierra Knuthson Meadow W of Sierra Valley 1524 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
  UC580741  Danthonia unispicata H. S. Yates 1935-6-29 5287 Sierra 1 mi n Gold Lake; Plumas National Forest, Downieville Quadrangle 1981 Comment
  UCD161457  Darlingtonia californica Barry Rice 2013-7-12 BR 130706 Sierra just north of the road NF98. 1760 Comment
  UCD161459  Darlingtonia californica Barry Rice 2013-7-2 BR 130701 Sierra Harrison Meadow complex of sites. 1820 Comment
  SEINET5337953  Delphinium andersonii A. D. Bruner 1962-5-9 s.n. Sierra Dog Valley 1829 Comment
  RSA584782  Delphinium depauperatum J. T. Howell, G. H. True 1969-6-25 45853 Sierra 3 miles N of Bassetts on road to Gold Lake. 1951 Comment
  RSA786374  Delphinium glaucum Gene St. Clair 1969-8-10 893 Sierra Devil's Post area Comment
  CHSC115252  Delphinium gracilentum Lowell Ahart 2015-5-9 20178 Sierra On the south side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  UCD95666  Delphinium gracilentum R. Randell 1996-5-26 25 Sierra Tahoe National Forest, Wild Plum Loop Road, 0.8 miles from Wild Plum Road, 1.25 miles from highway 49. 1500 Comment
  CAS-BOT-BC8785  Delphinium gracilentum f. versicolor Lowell Ahart 1969-5-18 s.n. Sierra Scales, 10 miles southeast of La Porte. 1219 Comment
  SEINET8663420  Delphinium nudicaule W. Harnach, N. Harnach 1990-4-19 263 Sierra 2.5 air miles NW of Calpine, Knuthson Meadows (commonly called Carman Valley). 1548 Comment
  CAS-BOT-BC9881  Delphinium nudicaule W. Harnach; N. Harnach 1990-4-19 263 Sierra Knuthson Meadows (Carmen Valley) 1548 Comment
  UCSB15920  Delphinium nudicaule Breedlove, Dennis 1962-6-13 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
  CHSC45509  Delphinium nuttallianum Lowell Ahart 1981-6-23 2873 Sierra Along the edge of a small stream, on the north side of the dirt road, near the base of Mount Etna, about 11 miles north-east of La Porte. 1828 Comment
  JEPS29733  Delphinium nuttallianum Rimo Bacigalupi and L. R. Heckard 1962-5-27 8488 Sierra 4 mi w Loyalton (eastern arm of Valley); Sierra Valley 1524 Comment
  POM160303  Delphinium nuttallianum J. G. Lemmon 1889-1 s.n. Sierra Sierra Valley Comment
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Feb 4 2011
  SD241158  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 mile north of the Yuba Co. line. (Strawberry Valley 7.5'Q) 808 Comment
  CAS-BOT-BC116143  Delphinium nuttallianum Belle R. Jackson 1932-6-1 S. N. Sierra Yuba Paas Comment
  SEINET5338042  Delphinium nuttallianum R. E. Eckert 1954-5-13 s.n. Sierra Dog Valley. 1981 Comment
  SJSU12158  Delphinium nuttallianum N. A. Hopkins 1979-5-11 933 Sierra c. 5 mi N of Sattley 1524 Comment
  RSA252378  Deschampsia cespitosa subsp. cespitosa R. F. Thorne, C. W. Tilforth 1969-9-6 39195 Sierra Moist margin of Haven Lake (between Goose and Snag Lakes) 1951 Comment
  UCR257850  Deschampsia cespitosa subsp. cespitosa George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 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
  UCD84179  Deschampsia danthonioides 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
  JEPS118425  Deschampsia elongata Lowell Ahart 2011-9-23 17697 Sierra About 100 yards north of Pass Creek, about 300 yards south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2016 Comment
  SEINET4567005  Deschampsia elongata J. H. Robertson 1951-7-8 s.n. Sierra [Sierra Nevada] Near Webber Lake on Little Truckee River Comment
  CAS-BOT-BC40915  Descurainia incana W. Harnach; N. Harnach 1990-6-30 435 Sierra Sierra Valley. Yuba Pass. 2042 Comment
  UC1586491  Descurainia incana Lowell Ahart 1991-7-22 6674 Sierra about 3 mi nw Webber Lake (French Meadow, about 0.25 mi s of Henness Pass Road); French Meadow 2133 Comment
  CAS-BOT-BC43042  Descurainia incisa subsp. incisa Javier Penalosa 1962-6-20 2530 Sierra Little Truckee River at Highway 89. 1905 Comment
  JEPS53409  Descurainia incisa subsp. incisa W. L. Jepson 1918-8-18 8057 Sierra 6 mi s Sierraville 1767 Comment
  CAS-BOT-BC43043  Descurainia incisa subsp. incisa Catherine Best 1981-6-18 s.n. Sierra Sierra Nevada. Above the meadow at Yuba Summit. Comment
  UC1562439  Descurainia sophia Lowell Ahart 1990-6-18 6529 Sierra about 1 mi ne Scales (on e side of road along edge of corral) 1524 Comment
  CHSC59470  Dicentra formosa Matt Carducci 1992-4-19 20 Sierra Ca. 27 mi s of Downieville, 100 ft s of Hwy 49 bridge over the North Fork of Yuba River, in Tahoe National Forest. Steep hillside. 975 Comment
  CDA24610  Dicentra formosa T. C. Fuller 1962-6-14 9021 Sierra North of Highway 49 to Downieville, 4.9 miles west of Sierra City. 0 Comment
  SEINET12093066  Dicentra formosa F. H. Utech 1986-1 86 -083 Sierra Tahoe Natioanal Forest, ca 1 mi N of junction North Yuba River & CA 49 bridge 950 Comment
  CAS-BOT-BC402470  Dicentra formosa subsp. formosa Eva Kennedy 1909-1-1 31 Sierra Downieville Comment
  SJSU6436  Dicentra uniflora N. A. Hopkins 1971-6-20 414 Sierra 0.25 mi S of Packer L 1889 Comment
  UCR196998  Dichelostemma George K. Helmkamp, E. A. Helmkamp 2008-5-20 13478 Sierra Sierra Nevada Mountains Foothills, Henness Pass road, 3.4 miles northeast of Camptonville 1261 Comment
  SJSU14027  Dieteria canescens var. canescens N. A. Hopkins 1988-8-9 1454 Sierra Highway 49, about midway between Sattley & Sierraville, Sierra Valley 1505 Comment
  UC1562327  Dieteria canescens var. canescens Vernon Oswald and Lowell Ahart 1990-7-25 4385 Sierra ca 1.5 mi s Staverville (between Balls Ranch and Old Fish Farm) 1950 Comment
  CAS-BOT-BC153646  Diplacus jepsonii Rimo Bacigalupi 1927-7-4 1625 Sierra Banks of north fork of Yuba River 2 miles west of Yuba Pass 1920 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-BC151870  Diplacus mephiticus Volney Rattan 1877-5-30 s.n. Sierra Unspecified Comment
  UC120926  Distichlis spicata J. G. Lemmon 1874-1 Sierra Sierra Co. California Comment
  CAS-BOT-BC136086  Dodecatheon alpinum D. E. Breedlove 1962-6-13 3523 Sierra Along the Little Truckee River, 10.0 miles south of Sierraville on State Highway 89 - Sierra Nevada 1950 Comment
  CAS-BOT-BC136089  Dodecatheon alpinum Lewis S. Rose 1934-7-13 34355 Sierra Gold Lake 1950 Comment
  RSA286298  Dodecatheon alpinum Robert F. Thorne 1974-7-30 45055 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  SEINET8553072  Dodecatheon alpinum W. Harnach, N. Harnach 1990-6-30 429 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  SEINET8553145  Dodecatheon alpinum W. Harnach, N. Harnach 2000-7-9 943 Sierra Chapman Saddle Road, 0.25 mile E of intersection of Lunch Creek Road. 2027 Comment
  SEINET8552984  Dodecatheon alpinum M. J. Williams, A. Tiehm 1974-6-2 74 -B-4 Sierra Meadow near Hwy 89, N of Hobart Mills. 1737 Comment
  RSA461485  Dodecatheon alpinum subsp. majus Robert Gustafson 1985-6-10 3144 Sierra near the jct. of Hwy. 49 and Forest Service Rd. 12, Yuba Pass Summit. 2043 Comment
  UCD118775  Dodecatheon alpinum subsp. majus Kris Baldwin 1983-7-2 26 Sierra 5.6 miles from Highway 89 on Henness Pass Road, then 1.3 miles on dirt road to Perazzo Meadows. 2011 Comment
  JEPS103763  Downingia bacigalupii D. H. Wilken 1998-6-25 15611 Sierra Beckwourth-Calpine Rd, flats south of Carman Creek, ca. 3 linear km NE of Calpine, Sierre Valley 1520 Comment
  JEPS77527  Downingia bacigalupii L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-20 4897 Sierra about 3 air mi ne Calpine (along road s of Beckwourth); Sierra Valley 1463 Comment
  POM311107  Downingia bacigalupii H. L. Mason 1952-7-17 14384 Sierra 1.5 miles E of Calpine at junction of Calpine with Sierraville-Beckwourth road; Sierra Valley; Sierra Nevada. 1524 Comment
  SBBG114929  Downingia bacigalupii D. H. Wilken 1998-6-25 15611 Sierra Beckwourth-Calpine Rd, flats S of Carman Crk, ca. 3 linear km NE of Calpine, Sierra Valley 1520 Comment
  SJSU3561  Downingia bacigalupii C. L. Cline 1965-6-6 292 Sierra 2 mi NW of Sierraville, Sierra Valley 1493 Comment
  UC177325  Downingia bacigalupii J. G. Lemmon Sierra 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
  UCD84180  Downingia bicornuta var. bicornuta Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  UC1001282  Downingia bicornuta var. bicornuta W. L. Jepson 1918-8-17 8038 Sierra Sierra Valley, e Sierra County Sierra Valley 1524 Comment
  SJSU12011  Downingia elegans N. A. Hopkins 1976-6-22 839 Sierra c. 0.5 mi NE of Sattley, Sierra Valley 1493 Comment
  UCD160212  Draba verna A. M. Shapiro 2015-2-17 s.n. Sierra ca 1 mi N of town 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
  JEPS124582 Image available Draperia systyla L. Fleckenstein 1967-6-30 30 Sierra Collected at Union Flat Campground on HWY 49 on level terrain. 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-BC142031  Drymocallis lactea Leah D. McKee 1981-5-16 045 Sierra .5 miles east of Jct. w/Rd. to Calpine, Jct. 89 & 49 Hwy. 1554 Comment
  CAS-BOT-BC159278  Drymocallis lactea var. lactea George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  SEINET10807406  Dryopteris arguta John G. Lemmon 1872-1 Lemmon s.n. Sierra Clefts of rocks, Sierra. Comment
  UC433179  Dryopteris arguta unknown 1890-1 Sierra Sierra Valley Comment
  CHSC42692  Dulichium arundinaceum L. P. Janeway 1984-8-25 1083 Sierra Small lake just SW of Snag Lake. 2026 Comment
  CHSC45549  Dysphania botrys Lowell Ahart 1976-10-1 1216 Sierra Growing on a pile or road gravel, along the edge of Ridge Road, this is the road that goes from Highway 49 to the town of Alleghany, about 3 miles south of Camptonville. 914 Comment
  CDA2013  Echinochloa crus-galli T. C. Fuller 1976-10-12 20168 Sierra North side of Hwy 49, 1.6 km. east of Goodyear s Creek Road, 6 km. west of Downieville. 0 Comment
  JEPS125776  Echinochloa crus-galli William Harnach 2014-10-7 1395 Sierra 208 Coates Avenue, Calpine. 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
  SEINET4853241  Elatine gracilis Herbert L. Mason 1952-8-17 14494 Sierra 0.4 mi S of Little Truckee River bridge. 1921 Comment
  UC965523  Elatine triandra Herbert L. Mason 1952-7-17 14385 Sierra 1.5 mi e Calpine (at junctn of Calpine and Sierraville-Beckwourth Rd); Sierra Nevada, Sierra Valley 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
  CHSC78295  Eleocharis decumbens Lowell Ahart 2000-7-13 8587 Sierra In a small boggy meadow, on a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany. 1615 Comment
  SEINET13710006  Eleocharis decumbens Lowell William Ahart, Lowell William Ahart 2000-1 8587 Sierra W Side Forest Hwy 98 about 7 Mi. NE of Alleghany (T19N, R11E, sec 10, SW 1/4) 5300 Ft. 1615 Comment
  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
  CHSC112059  Eleocharis engelmannii var. engelmannii L. P. Janeway 2014-6-23 11408 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Grove Creek, just north of Pine Grove Ceme-tery, 1.3 air-km west-northwest of Howland Flat. 1646 Comment
  CAS-BOT-BC112770  Eleocharis macrostachya John Thomas Howell 1955-7-20 30886 Sierra Near Calpine 1508 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
  SD134049  Eleocharis macrostachya Fred Sommers 1976-7-29 187 Sierra Sierra Nevada; Sierra Valley Marsh; along Dyson Lane; from roadside ditch in seasonally inundated clayey soil. 152 Comment
  POM297937  Eleocharis radicans J. G. Lemmon 1874-1 219 Sierra [No locality information provided] Comment
  JEPS78088  Elodea nuttallii Gary W. Zamzow 1972-7-11 73 Sierra 1.2 mi n Sattley (on road toward Loyalton) 1524 Comment
  UCR12044  Elodea nuttallii Coleta A. Lawler 1968-7-2 170 Sierra Sierra Nevada Mtns., 3.9 mi NW of Sierraville. Right turn on Sattley-Beckworth [Westside] Rd, 1.1 mi NE from Hwy 49 intersection 1509 Comment
  JEPS124723 Image available Elodea nuttallii Michael D. Fleschner 1965-7-1 1965 -87 Sierra 2 miles north of Sattley on a small round which joins with Hwy 89 at Sattely junction. Sierra Valley. Comment
  UCD61571  Elymus elymoides Mrs. H. P. Kelley 1915-7-6 Sierra Sardine Peaks, north of Truckee. Comment
  SEINET10564683  Elymus elymoides Lowell Ahart 1982-7-28 Ahart 3704 Sierra On dry rocky bare soil, ca. 1/4 mile N of Pacific Mine, ca. 5 mile E of La Porte. 1700 Comment
  CHSC37214  Elymus elymoides subsp. californicus L. Ahart 1982-7-28 3704 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  UC1132966  Elymus elymoides subsp. elymoides G. T. Nordstrom 1936-7-9 906 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  CAS-BOT-BC206588  Elymus glaucus subsp. glaucus David D. Keck 1944-7-8 5410 Sierra Sierra Valley, 1.5 miles N of Sattley on Feather River Road 1524 Comment
  CHSC60570  Elymus glaucus subsp. glaucus L. P. Janeway 1984-8-18 1012 Sierra Meadow at second switchback down the road from Packers Saddle towards Packer Lake. Along drainage channel. 1965 Comment
  CHSC60571  Elymus glaucus subsp. glaucus L. P. Janeway 1984-8-19 1052 Sierra Meadow at the second switchback down the road from Packers Saddle towards Packer Lake. 1981 Comment
  JEPS75449  Elymus glaucus subsp. glaucus W. L. Jepson 1934-8-2 16783 Sierra 2 mi e Bassett sta.; North Fork Yuba River, Pioneer Sta. 1706 Comment
  JEPS75675  Elymus trachycaulus W. L. Jepson 1934-8-7 16869 Sierra near Sierraville; Cold Creek Comment
  NY69931  Ephedra viridis J. G. Lemmon 1874-1 s.n. Sierra Sierra County and vicinity Comment
  CAS-BOT-BC165931  Epilobium W. Harnach; N. Harnach 1990-6-30 441 Sierra Sierra Valley. Yuba Pass 2042 Comment
  CAS-BOT-BC165932  Epilobium W. Harnach; N. Harnach 1990-6-30 428 Sierra Sierra Valley. Yuba Pass 2042 Comment
  RSA458696  Epilobium brevistylum L. S. Rose 1934-7-2 34302 Sierra Gold Lake. 1951 Comment
  SEINET8655840  Epilobium canum W. Harnach 2015-8-26 1444 Sierra Salmon Creek Campground 1756 Comment
  CAS-BOT-BC171808  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1920-9-1 s.n. Sierra Salmon Lake Comment
  POM272049  Epilobium canum subsp. latifolium J. W. Morrison s.n. Sierra Loyalton, Sierra Nevada mountain range, Sierra Valley drainage 1524 Comment
  SJSU12100  Epilobium canum subsp. latifolium N. A. Hopkins 1982-8-1 1119 Sierra !.5 mi SW of Calpine 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
  SEINET12426897  Epilobium ciliatum subsp. ciliatum W. Harnach, N. Harnach 2000-6-17 918 Sierra Sierra Valley; Intersection of Hwy 49 and Lemmon Canyon Road; Sierraville, CA 1509 Comment
  SBBG60234  Epilobium densiflorum E. Rockwell -Jun-1925 732 Sierra Downieville 914 Comment
  SJSU12264  Epilobium densiflorum N. A. Hopkins 1983-8-30 1165 Sierra c. 1 mi S of Calpine 1524 Comment
  JEPS113944  Epilobium glaberrimum subsp. glaberrimum W. and N. Harnach 2000-6-17 918 Sierra Sierra Valley inbtersection of Hwy 49 and Lemmon Canyon Road, Sierraville, CA Comment
  CHSC52498  Epilobium hallianum L. P. Janeway 1984-8-18 1022 Sierra Mdw near second switchback (toward SE) down from Packers Saddle. In the middle. 1981 Comment
  CHSC61793  Epilobium hallianum Lowell Ahart 1993-9-10 7179 Sierra Around a small 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
  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
  SEINET12861776  Epilobium hallianum P. B. Kennedy, S. B. Doten 1901-7-5 91 Sierra [Sierra Nevada] spring near Webber Lake Comment
  UCD106324  Epilobium hallianum N. Hopkins 1981-6-15 190 Sierra County Unknown. 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
  HSC97044  Epilobium minutum L. Ahart 2006-6-28 12885 Sierra .75 air mi. E of Lake Delahunty, 2 air mi. NE of Gibsonville 1904 Comment
  JEPS123997  Epilobium minutum Lowell Ahart 2015-5-9 20175 Sierra About 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. Comment
  JEPS125692  Epilobium minutum William Harnach 2013-5-1 1325 Sierra 1.6 miles West of Goodyears Bar on Highway 49 and North of the Ramshorn campground. Comment
  SEINET8665853  Epilobium minutum W. Harnach 2013-5-1 1325 Sierra 1.6 miles west of Goodyears Bar on Hwy 49 and north of the Ramshorn campground. 929 Comment
  UCR53698  Epilobium minutum B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 0879 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
  SEINET3890372  Epipactis gigantea D. W. McNeal 1995-7-13 4112 Sierra Beside Highway #49, 4.7 miles East of the bridge over the Downie River in Downieville.; 0 Comment
  CAS-BOT-BC57033  Equisetum arvense John Thomas Howell 1969-9-13 46110 Sierra Little Truckee River near outlet of Webber Lake 2042 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
  CHSC113677  Equisetum arvense L. P. Janeway 2014-5-28 11274 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Grove Creek, just north of Pine Grove Cemetery, 0.8 air-km northwest of Howland Flat. 1646 Comment
  CAS-BOT-BC57153  Equisetum hyemale subsp. affine S. Rauwendaal 1981-5-16 062 Sierra San Francisco State Un., Sierra Nevada Field Station, 1/4 east of cabins 1828 Comment
  CAS-BOT-BC57850  Equisetum laevigatum D. E. Breedlove 1962-6-13 3530 Sierra On the bank of the Little Truckee River, on State Highway 89, 11.3 mi. s. of Sierraville; Sierra Nevada. 1905 Comment
  UCD19560  Equisetum laevigatum Gerald Dickinson 1963-6-27 46 Sierra a roadside ditch south of Sierraville, Hwy. 89. 1524 Comment
  UC1192372  Equisetum laevigatum Herbert L. Mason 1953-7-7 14557 Sierra ditch n of Sattley; Sierra Valley Comment
  UCD135548  Equisetum laevigatum Herbert L. Mason 1953-7-7 14557 Sierra Sierra County. Ditch north of Sattley, Sierra Valley. Comment
  POM137472  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
  CHSC41242  Eremogone congesta var. suffrutescens J. D. Jokerst 1982-9-10 1670 Sierra Along the trail to the summit of the Sierra Butte (from Packer Lake). 2316 Comment
  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
  CHSC94235  Eremogone kingii var. glabrescens Lowell Ahart 2006-6-28 12875 Sierra Northwest slope of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1835 Comment
  HSC97040  Eremogone kingii var. glabrescens L. Ahart 2006-6-28 12875 Sierra 3/4 air mi. E of Lake Delahunty, 2 air mi. NE of Gibsonville 1836 Comment
  CAS-BOT-BC286686  Ericameria bloomeri J. T. Vale 1988-10-3 s.n. Sierra Gold Lk Rd. bet. Gold Lk. & Hi-way 49 1828 Comment
  CAS-BOT-BC286687  Ericameria bloomeri J. T. Vale 1988-10-3 s.n. Sierra Gold Lk. Rd. bet. Gold Lk. & Hi-way 49 1828 Comment
  CAS-BOT-BC286689  Ericameria bloomeri R. K. Gierisch; D. H. Esplin 1969-9-25 3616 Sierra Sierra National Forest 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
  CHSC66780  Ericameria bloomeri Vernon H. Oswald; Lowell Ahart 1996-8-19 8185 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 0.7 mi S of Hwy. 49. Along the road. 2072 Comment
  JEPS117455  Ericameria bloomeri Lowell Ahart 2010-9-15 17156 Sierra Open areas, around trees, about 20 yards southeast of the cabin, about 20 yards southeast of the upper pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  JEPS31329  Ericameria bloomeri W. L. Jepson 1934-8-7 16877 Sierra Onion Valley Comment
  SJSU12101  Ericameria bloomeri N. A. Hopkins 1982-10-4 1122 Sierra NW side Sierra Valley 1493 Comment
  UC1999916  Ericameria bloomeri J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-13 9328 Sierra Nichols Mill Road (Forest Rd-15), 2.3 km W of Yuba Pass Road (Forest Rd-12). 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
  UC337216  Ericameria cuneata var. cuneata unknown Sierra Downieville Buttes Comment
  UC1119840  Ericameria nauseosa var. speciosa C. G. Albertus 1935-9-24 288 Sierra 4 1/2 mi ese of Sulphur Springs; Sierraville Quad. 1981 Comment
  CAS-BOT-BC293018  Ericameria parryi var. nevadensis W. R. Dudley 1909-8-29 s.n. Sierra Sierra Valley Comment
  SEINET11851506  Erigeron aphanactis J. G. Lemmon 1874-1 108 Sierra Sierra Co. &c Comment
  UC579477  Erigeron bloomeri var. bloomeri E. Sawyer 1935-6-28 253 Sierra 1 1/2 mi se Sattley; Sierraville Quadrangle 1493 Comment
  RSA121427  Erigeron bloomeri var. bloomeri E. Sawyer 1935-6-28 253 Sierra 1/2 miles S.S.E. of Sattley 1494 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
  CAS-BOT-BC297206  Erigeron coulteri George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CHSC66781  Erigeron coulteri Vernon H. Oswald; Lowell Ahart 1996-8-19 8194 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just S of the road to Lincoln Valley. 2255 Comment
  RSA748571  Erigeron divergens K. M. Meyer, A. Townesmith 2007-7-15 113 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  SJSU12107  Erigeron divergens N. A. Hopkins 1983-6-15 1133 Sierra Upper Long Valley just west of Bordertown 1584 Comment
  CAS-BOT-BC296952  Erigeron eatonii var. eatonii L. S. Smith 1932-6-10 2683 Sierra Tahoe National Forest, north of Calpine 1828 Comment
  CAS-BOT-BC300376  Erigeron eatonii var. plantagineus L. S. Smith 1932-6-10 2683 Sierra Tahoe National Forest. North of Calpine 1584 Comment
  CAS-BOT-BC300377  Erigeron eatonii var. plantagineus J. G. Lemmon No date on label s.n. Sierra Unspecified Comment
  CHSC73404  Erigeron glacialis var. glacialis B. Castro; L. Gehrung, H. Durio 1995-9-14 640 Sierra Ca. 0.7 air mi SW of the top of Mt. Fillmore, and ca 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. At W edge of midslope terrace of mtn. 2042 Comment
  JEPS125769  Erigeron glacialis var. glacialis William Harnach 2012-8-1 1288 Sierra At the end of Road 09-6, a spur road off of Forest Road 09, approximately 1.0 air miles NW of Haskell Peak. Comment
  UC579270  Erigeron glacialis var. glacialis A. Lewis 1934-6-15 483 Sierra Fillmore Peak Plumas National Forest, Downieville Quadrangle, Fillmore Pea 2042 Comment
  CHSC69472  Erigeron inornatus var. inornatus James D. Jokerst 1986-6-19 2647 Sierra Turner property, S end of Sierra Valley, E and adjacent to Hwy. 49 ca. 1 mi NW of junction with Hwy. 89. Knoll 5442. 1658 Comment
  UC580705  Erigeron inornatus var. inornatus N. H. French 1934-7-24 536 Sierra 1 mi ese of Webber Lake (s of Sierraville); Truckee Quadrangle 2133 Comment
  POM357579  Erigeron inornatus var. inornatus Britton 1939-8-24 132 Sierra North bank of Yuba River, 7 miles above Sierra City 1674 Comment
  SEINET8667572 Image available Erigeron inornatus var. reductus M. J. Williams, A. Tiehm 1974-8-17 74 -S-55 Sierra Verdi Ridge road. Verdi Range 2134 Comment
  CHSC50644  Erigeron lassenianus var. deficiens Lowell Ahart 1990-6-18 6527 Sierra East of the road, about 1 mile north-east of Scales. 1524 Comment
  CAS-BOT-BC295474  Erigeron lassenianus var. lassenianus Mrs. H. C. Cantelow 1938-7-2 s.n. Sierra 4 1/2 miles nw. of Calpine Comment
  CHSC321  Erigeron linearis V. Holt 1942-7-22 Sierra Mt. Haskell near Gold Lake. 2438 Comment
  UCD150211  Erigeron petrophilus var. sierrensis G. Ledyard Stebbins 1970-7-25 7082 Sierra Northwest ridge of Mt. Fillmore. (Exact location unknown. Coordinates estimated by label maker.) 1950 Comment
  SEINET8687533 Image available Erigeron pumilus var. intermedius A. A. Heller, P. B. Kennedy 1907-7-1 8664 Sierra Purdy Comment
  JEPS94404  Erigeron strigosus var. septentrionalis Vernon Oswald and Lowell Ahart 1997-8-19 8838 Sierra 5.9 mi sw of Alleghany (Footes Crossing Road (County Road 191) on n side of the Middle Fork of Yuba River); Middle Fork of Yuba River 1066 Comment
  UC1124278  Eriodictyon californicum A. Lewis 1934-8-9 529 Sierra 1/4 mi e Sierra City; Tahoe National Forest, Downieville Quad. Comment
  JEPS125771  Eriodictyon lobbii William Harnach 2015-7-1 1423 Sierra 1.25 miles fromm Henness Pass Road on FS Road 98 to Harris Meadows. Comment
  JEPS57052  Eriogonum caespitosum J. G. Lemmon Sierra Webber lake peaks Comment
  SJSU13987  Eriogonum caespitosum N. A. Hopkins 1988-5-16 1405 Sierra upper Dog Valley 1645 Comment
  UCSB16014  Eriogonum douglasii Breedlove, Dennis 1962-6-13 Sierra 1.5 miles north of Sierraville on State Highway 89; 1524 Comment
  CAS-BOT-BC256175  Eriogonum douglasii var. meridionale G. L. Stebbins, Jr.; J. A. Jenkins 1937-5-22 2127 Sierra About 4 miles northeast of Loyalton 1889 Comment
  SEINET5329126  Eriogonum douglasii var. meridionale W. Harnach, N. Harnach 1989-5-7 60 Sierra Sierra Valley; Apprx 5 miles N of Sierraville on Hwy 49, Newman Point 1524 Comment
  CAS-BOT-BC255701  Eriogonum douglasii var. meridionale W. Harnach; N. Harnach 1989-5-7 060 Sierra Newman Point, Sierra Valley 1524 Comment
  UC584320  Eriogonum douglasii var. meridionale G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2127 Sierra mountain about 4 mi ne Loyalton Comment
  CAS-BOT-BC256782  Eriogonum incanum J. T. Rothrock No date on label 246 Sierra Lemmon Comment
  SEINET5330401  Eriogonum jamesii var. jamesii J. Gentry Jr. 1968-8-11 2294 Sierra Gila National Forest, Emory Pass at Sierra-Grant co. line on N.M. Hwy. 90 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
  RSA135962  Eriogonum lobbii var. lobbii Arthur R. Kruckeberg 1954-8-2 3680 Sierra On slate talus along trail to Sierra Buttes, 1/2 mile above upper Tamarack Lake. 2439 Comment
  CAS-BOT-BC263703  Eriogonum luteolum var. pedunculatum Alice Eastwood 1918-6-29 7870 Sierra Loyalton Comment
  RSA286282  Eriogonum marifolium Robert F. Thorne 1974-7-30 45044 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes area. 2058 Comment
  SJSU11989  Eriogonum marifolium N. A. Hopkins 1972-6-17 469 Sierra near Packer L 1889 Comment
  CAS-BOT-BC267384  Eriogonum marifolium var. marifolium Lewis S. Rose 1934-7-12 34353 Sierra Gold Lake 1950 Comment
  CHSC53048  Eriogonum marifolium var. marifolium L. P. Janeway 1989-8-16 3586 Sierra Plumas National Forest Beckwourth Ranger District. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. 2133 Comment
  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
  SEINET7248595  Eriogonum nudum George K. Helmkamp, Elizabeth Helmkamp 2013-1 Sierra Comment
  CAS-BOT-BC260783  Eriogonum nudum var. deductum Margaret J. Williams 1983-8-7 83- 133 -2 Sierra Verdi Ridge, above Dog Valley 2316 Comment
  UC1032208  Eriogonum nudum var. deductum G. T. Nordstrom 1936-7-9 923 Sierra 2 mi nw Dog Valley; Tahoe National Forest, Sierraville Quadrangle Comment
  CHSC63710  Eriogonum nudum var. nudum Lowell Ahart 1994-10-17 7565 Sierra Along the edge of the dirt road, road goes from Gibsonville to Johnsville, about 1/4 mile west of Mount Etna. 1828 Comment
  SEINET530767  Eriogonum nudum var. nudum Paul Opler 2007-7-1 Sierra Tahoe National Forest, Packer Lake Rd., Packer Campground. Comment
  CAS-BOT-BC261611  Eriogonum nudum var. nudum James L. Reveal 1971-6-23 2476 Sierra Along California Highway 49, about 5 miles west of Downieville along the North Fork of the Yuba River 853 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
  RSA242163  Eriogonum nudum var. nudum James L. Reveal 1971-6-23 2476 Sierra Along California Highway 49, about 5 miles west of Downieville along the North Fork of the Yuba River. 854 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
  JEPS87561  Eriogonum nudum var. pubiflorum Lowell Ahart 1994-10-17 7565 Sierra along edge of dirt road from Gibsonville to Johnsville (about 1/4 mi w of Mt. Etna) 1828 Comment
  UCR54299  Eriogonum nudum var. pubiflorum B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-26 0900 Sierra Convict Flat Picnic Area, 12 mi NE of Camptonville, on Hwy 49. On N Yuba River 760 Comment
  CAS-BOT-BC269835  Eriogonum nudum var. pubiflorum Mrs. Martin Goerges 1953-7-11 s.n. Sierra Indian Valley, North Fork, Yuba River Comment
  UCR257739  Eriogonum spergulinum George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 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 1878 Comment
  CAS-BOT-BC269963  Eriogonum spergulinum var. reddingianum Lowell Ahart 1989-8-16 6375 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir 1706 Comment
  SEINET5331558  Eriogonum spergulinum var. reddingianum W. Harnach, N. Harnach 1989-6-24 163 Sierra Sierra Valley, south of Sattley, Martinetti Ranch (Elvers) 1518 Comment
  SEINET5331607  Eriogonum spergulinum var. reddingianum W. D. Billings 1951-7-20 2130 Sierra S. end of Lincoln Valley. 2195 Comment
  SJSU13956  Eriogonum spergulinum var. reddingianum N. A. Hopkins 1986-6-30 1334 Sierra bald ridge by Plumas County line 2158 Comment
  UC1032237  Eriogonum strictum var. anserinum G. T. Nordstrom 1936-7-9 910 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  JEPS56422  Eriogonum strictum var. proliferum J. G. Lemmon Aug 1 1872-Jan 1 1883 385 Sierra Sierra Valley and Webber Lake Comment
  SEINET524386  Eriogonum umbellatum Paul A. Opler 2003-6-29 Sierra 1 mi. E of Calpine. 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-BC262085  Eriogonum umbellatum var. nevadense Jean L. Pawek 1956-7-19 202 Sierra Highway 49 on dirt road to Gold Lake 1524 Comment
  CAS-BOT-BC262086  Eriogonum umbellatum var. nevadense Alice Eastwood 1918-6-29 7873 Sierra Loyalton Comment
  CAS-BOT-BC262089  Eriogonum umbellatum var. nevadense F. G. Krauss 1894-8-30 s.n. Sierra At Webber L. Comment
  CAS-BOT-BC262092  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-7-19 4883 Sierra Between Hwy 89 and Little Truckee River, ca. 1/4 mi n of Little Truckee Campground, ca. 12 mi sw of Sierraville Comment
  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
  UC66412  Eriogonum umbellatum var. nevadense P. B. Kennedy and S. B. Doten 1901-7-12 154 Sierra Webber Lake Comment
  UCSB19293  Eriogonum umbellatum var. nevadense Breedlove, Dennis 1962-6-13 Sierra on bank of Little Truckee River; 11.3 miles south of Sierraville on State Highway 89; Sierra Nevada 1905 Comment
  CHSC69188  Eriogonum umbellatum var. polyanthum Vernon Oswald; Lowell Ahart 1997-8-19 8824 .2 Sierra Mountain House Rd. (County Rd. 300) just south of its junction with Henness Pass Rd. (County Rd. 293), 6.3 mi south of Goodyears Bar. 1389 Comment
  SEINET524405  Eriogonum umbellatum var. subaridum Paul A. Opler 2003-6-24 Sierra Hills S of Loyalton, Bear Valley rd. Comment
  UC1032277  Eriogonum umbellatum var. torreyanum G. T. Nordstrom 1936-7-9 912 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  JEPS56204  Eriogonum ursinum Miss Eva Kennedy 1909-1-1 Sierra Goodyears Bar 914 Comment
  UCD149525  Eriogonum ursinum G. L. Stebbins 1970-7-25 7074 Sierra Northwest ridge of Mount Fillmore. (Exact location unknown. Coordinates estimated by label maker.) 1950 Comment
  CHSC1334  Eriogonum ursinum var. ursinum V. Holt 1942-7-18 Sierra Gold Lake. 2133 Comment
  CHSC32063  Eriogonum ursinum var. ursinum L. Ahart 1968-6-29 23 Sierra Ca. 1 mi nw of Howland Flat, ca. 6 mi ne of La Porte. 1828 Comment
  CHSC37229  Eriogonum ursinum var. ursinum L. Ahart 1982-7-28 3685 Sierra Ca. 1/4 mi n of the Pacific Mine, ca. 5 mi e of LaPorte. 1700 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
  CHSC94210  Eriogonum ursinum var. 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
  CHSC66817  Eriogonum vimineum Vernon H. Oswald; Lowell Ahart 1996-8-19 8238 Sierra Northern High Sierra Nevada. S side of Little Truckee Bridge on the road to Independence Lake, just S of Forest Rt. 07 and ca. 1 mi W of Hwy. 89. Edge of the road. 1950 Comment
  JEPS19660  Eriogonum vimineum W. L. Jepson 1934-7-30 16776 Sierra Downieville Comment
  SEINET5332092  Eriogonum vimineum I. LaRivers 1969-7-27 s.n. Sierra Verdi. Comment
  JEPS56131  Eriogonum vimineum J. G. Lemmon 1872-1 416 Sierra Sierra Valley Comment
  SCFS2087  Eriogonum vimineum M. Wheelis 1964-6-25 86 Sierra 4 mi W of Downieville, Hwy 49 823 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
  CDA36218  Eriophyllum lanatum var. achilleoides G. K. Helmkamp, E. A. Helmkamp 2009-5-28 14845 Sierra Northern Sierra Nevada Foothilla; Along CA Hwy 49, 1.6 miles north of the Yuba County line. Comment
  UCR249160  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20793 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  SBBG8175  Eriophyllum lanatum var. croceum H. and M. Dearing 1939-5-9 3311 Sierra above Downieville 1052 Comment
  UCD40148  Eriophyllum lanatum var. croceum Rodney Gale Myatt 1971-7-3 1560 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  CAS-BOT-BC308276  Eriophyllum lanatum var. integrifolium W. Harnach; N. Harnach 1990-6-10 354 Sierra Balderson Ranch, Antelope Valley 1524 Comment
  SEINET8687338 Image available Eriophyllum lanatum var. integrifolium W. Harnach, N. Harnach 1990-6-10 354 Sierra Sierra Valley, W of Loyalton, Balderson Ranch (Antelope Valley) 1524 Comment
  UC507146  Eriophyllum lanatum var. integrifolium Lincoln Constance 1933-7-5 E 113 Sierra 10 mi e of Sierraville (sandy flat) 1981 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
  SEINET10899049  Erysimum asperum var. perenne John T. Middleton 1938-7-18 Middleton s.n. Sierra Sierra nevada. Ca Comment
  CAS-BOT-BC54568  Erysimum capitatum Gordon H. True 1971-9-7 7048 Sierra Cold Stream Canyon. On Mount Lola Trail. 2316 Comment
  SJSU4971  Erysimum capitatum N. A. Hopkins 1968-6-30 Sierra 0.25 mi N of Packer L 1859 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
  CAS-BOT-BC54949  Erysimum perenne Lester Rowntree 1935-6-15 s.n. Sierra Above Downieville. Comment
  CHSC61880  Erythranthe breweri Lowell Ahart 1993-9-10 7177 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 Gibsonille to Johnsville. 2133 Comment
  SJSU12201  Erythranthe breweri N. A. Hopkins 1983-7-9 1155 Sierra c. 1 mi SW of Calpine 1524 Comment
  SEINET14291753  Erythranthe guttata P. B. Kennedy, S. B. Doten 1901-7-8 118 Sierra Hillsides N of Webber Lake. Comment
  SEINET14349469  Erythranthe moschata W. Harnach, N. Harnach 1991-7-14 638 Sierra Coburn Lake, ca 0.25 mile below outlet to lake. 2280 Comment
  SEINET14349523  Erythranthe moschata W. Harnach, N. F. Hancock 1991-6-23 572 Sierra Sierra Valley, Parlanti Ranch. 1524 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
  CHSC44002  Erythranthe primuloides L. P. Janeway 1984-8-25 1062 Sierra At Snag Lake. Edge of Lake about high water line. 2026 Comment
  SJSU12056  Erythranthe tilingii N. A. Hopkins 1972-6-17 467 Sierra by stream issuing from Packer L 1920 Comment
  SEINET10528804  Erythronium grandiflorum John G. Lemmon 1875-1 Lemmon s.n. 1875 Sierra Comment
  CAS-BOT-BC502828  Erythronium multiscapideum Wm. Vortriede 1928-4-15 s.n. Sierra Downieville Comment
  CDA9331  Erythronium purpurascens D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .293 Sierra Above Sardine Lake on road to Sierra Butte. Comment
  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
  CAS-BOT-BC502815  Erythronium purpurascens Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Lusk Meadows Comment
  JEPS124523 Image available Eschscholzia californica Joe Ammirati 1964-6-26 113 Sierra In Downieville, on HW 49 Comment
  CAS-BOT-BC310396  Eucephalus breweri George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC310399  Eucephalus breweri Carl B. Wolf 1937-8-6 9064 Sierra Northern Sierra Nevada, 1/2 mi. NE. of Gold Lake 1920 Comment
  CAS-BOT-BC310400  Eucephalus breweri Rimo Bacigalupi; L. Constance; E. Nasir 1953-9-9 4358 Sierra Sierra & Nevada County boundary. Along forest road between Webber Lake and Meadow Lake, Tahoe National Forest, very close to the county line 2133 Comment
  JEPS125748  Eucephalus breweri William Harnach 2012-8-1 1287 Sierra At the end of the Road 09-6, a spur road off of Forest Road 09, approximately 1.0 air miles NW of Haskell Peak. Comment
  JEPS16784  Eucephalus breweri Rimo Bacigalupi with L. Constance and E. Nasir 1953-9-9 4358 Sierra along road between Webber Lake and Meadow Lake Sierra-Nevada County Boundary, Tahoe National Forest 2133 Comment
  CHSC115254  Euphorbia crenulata Lowell Ahart 2015-5-9 20179 Sierra On the south side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  CAS-BOT-BC310547  Eurybia integrifolia John Thomas Howell 1969-9-13 46126 Sierra North shore of Webber Lake 2064 Comment
  CHSC53120  Eurybia integrifolia L. P. Janeway 1989-8-9 3559 Sierra Plumas National Forest. NE flank of Haskell Pk overlooking hwy 89/Sulphur Cr. 2164 Comment
  CHSC61776  Eurybia integrifolia Lowell Ahart 1993-9-10 7176 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 southwest of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CAS-BOT-BC459229  Euthamia occidentalis Louella Bass 1980-8-26 s.n. Sierra Sierra Nevada: Sierraville Comment
  RSA507798  Euthamia occidentalis J. C. Semple, S. Heard 1986-8-13 8412 Sierra CA-49 W of Downieville; at Fiddle Creek Campground Comment
  CHSC112378  Festuca arundinacea L. P. Janeway 2014-6-23 11403 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Grove Creek, just north of Pine Grove Cemetery, 1.3 air-km west-northwest of Howland Flat. 1646 Comment
  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
  CAS-BOT-BC282543  Festuca viridula Catherine Best 1982-7-12 762 Sierra Above Packer's Lake, Sierra Nevada Comment
  CHSC57110  Festuca viridula L. P. Janeway; Garrett Gibson 1991-7-22 4091 Sierra Plumas National Forest. North-facing slope 1/2 mi due east of Mohawk Gap (along road 21N31B). 2225 Comment
  SEINET8248461  Festuca viridula John B. Sunberg 1900-8-4 Sierra Webber Lake. 2134 Comment
  UCD113245  Fragaria vesca S. P. Lynch 1975-5-25 1282 Sierra On Hwy 49 ca. 25 mi. S of Sierra City. Comment
  CAS-BOT-BC60005  Frangula purshiana Elmer I. Applegate 1921-9-7 3359 Sierra Gold Lake, northern Sierra Co. Comment
  SD22843  Frangula purshiana Carl B. Wolf 1937-8-6 9048 Sierra Northern Sierra Nevada, No. fork of Yuba River, 5 mi. above Downieville 1067 Comment
  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
  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
  UC119838  Fritillaria pudica C. F. Sonne 1889-4-21 Sierra Sierra Nevada Mountains, Dog Valley Dog Valley; Sierra Nevada Mountains, Dog Valley Comment
  POM273478  Fritillaria pudica J. W. Morrison s.n. Sierra Town: Loyalton; Mt. Range: Sierra Nevada; River: Feather; Sierra Valley. 1220 Comment
  SEINET8916781  Fritillaria recurva W. Harnach 2013-5-21 1357 Sierra Sierra Valley, along County Road exiting Calpine to the N and paralleling Hwy 89. 1529 Comment
  CAS-BOT-BC508133  Fritillaria recurva L. S. Smith 1926-4-13 1768 Sierra Alleghany Range, Tahoe National Forest 853 Comment
  CHSC67131  Galium multiflorum James D. Jokerst 1990-7-27 3162 Sierra Balls Ranch Surveys for Jones and Stokes. Burma Summit, 6 mi SE of Loyalton. 2468 Comment
  UCD40312  Galium parisiense Rodney Gale Myatt 1971-7-3 819 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  CAS-BOT-BC182235  Garrya fremontii Lowell Ahart 1976-7-30 s.n. Sierra Mt. Fillmore 1981 Comment
  CAS-BOT-BC182236  Garrya fremontii Elmer I. Applegate 1921-9-8 3387 Sierra On road between Gold Lake and Sierra City Comment
  CAS-BOT-BC182239  Garrya fremontii Mrs. E. C. Sutcliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  CHSC98989  Garrya fremontii Lowell Ahart 2008-6-4 14808 Sierra On the north side of Forest Road 98, about 2 miles (air) northeast of Harris Meadow, about 9 1/2 miles (air) northeast of Alleghany. 1906 Comment
  HSC8403  Garrya fremontii R. G. Means 1962-6-22 28 Sierra Lower Sardine Lake 1829 Comment
  SBBG59829  Garrya fremontii J. G. Lemmon -Jun-1879 Sierra Sierra Valley Comment
  UCD121125  Garrya fremontii Gerald Dickinson 1963-6-26 39 Sierra 1/4 mile west of Sand Pond. 1783 Comment
  UCR131630  Garrya fremontii Beecher Crampton 1954-5-11 1896 Sierra Tahoe National Forest, 2 miles [north]east of Sierra City on Hwy 49 1341 Comment
  JEPS124860 Image available Garrya fremontii Laurel Loeblich 1964-6-26 45 Sierra Collected at Lower Sardine Lake on north shore along dirt road. slight south facing slope. Comment
  SJSU12200  Gayophytum diffusum N. A. Hopkins 1983-7-9 1157 Sierra c. 1 mi SW of Calpine, Sierra Valley 1524 Comment
  JEPS87375  Gayophytum diffusum subsp. parviflorum Lowell Ahart 1993-9-24 7256 Sierra n side Mount Fillmore (about 0.75 mi s of the dirt road from Gibsonville to Johnsville, w of poor dirt road that ends at a stream, slope on e side of stream) 2133 Comment
  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
  POM203461  Gayophytum diffusum subsp. parviflorum L. S. Rose 1934-7-20 34394 Sierra Gold Lake. 1951 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
  HSC100746  Gayophytum heterozygum Lowell Ahart 2010-9-15 17163 Sierra 20 yd. NW of the cabin, 50 yd. SW of the middle pond at the spring, 2 3/4 (air) mi. N of Yuba Pass on Hwy. 49, 4 (air) mi. E of Haskell Peak. 2135 Comment
  UCD169815  Gayophytum heterozygum Lowell Ahart 2010-9-15 17163 Sierra About 20 yards northwest of cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  RSA39081  Gayophytum heterozygum P. A. Munz 1948-8-11 12330 Sierra Carvin Creek on Hwy 49, NE of Sierra City 1738 Comment
  SBBG128002  Gayophytum heterozygum L. Ahart 2010-9-15 17163 Sierra ca. 20 yards NW of the cabin, ca. 50 yards SW of the middle pond, at the spring, ca. 2.75 mi N of Yuba Pass on Hwy 49, ca. 4 mi E of Haskell Peak 2134 Comment
  CHSC28715  Gayophytum humile Robert A. Schlising; Coleta Lawler 1979-8-24 3481 Sierra NE of Downieville at Upper Salmon Lake. At roadside near roads end at lake. 1981 Comment
  UC1186540  Gayophytum racemosum E. G. Linsley 1959-7-2 59 -155 Sierra Weber Lake Comment
  JEPS48519  Gentiana newberryi L. S. Smith 1928-6-30 2456 Sierra along Yuba Pass Road Tahoe Forest 1981 Comment
  POM297948  Gentiana newberryi J. G. Lemmon 1874-1 191 Sierra [No location information provided on label.] Comment
  UC334406  Gentiana newberryi unknown Oct 1890 Sierra Oleson's ranch Sierra Valley Comment
  RSA0063791  Gentianella amarella J. G. Lemmon 1874-1 190 Sierra [No location information provided on label.] 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
  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
  CAS-BOT-BC459372  Geum macrophyllum Catherine Best 1984-6-19 1008 Sierra Sierra Valley , 1/2 mile west of Sierraville on Hwy 89 Comment
  CHSC115266  Geum macrophyllum var. perincisum Lowell Ahart 2015-5-9 20177 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
  UCR53718  Gilia capitata B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 0872 Sierra Sierra Nevada Mtns, above Ramshorn Campground on Hwy 49, c. 15 miles NE of Comptonville and c. 5 mi. west of Downieville 823 Comment
  UCR206321  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2009-5-28 14864 Sierra Sierra Nevada Mountains Foothills, above the Yuba River along CA-49, 2.3 miles north of the Yuba Co. line 851 Comment
  SEINET12278791  Gilia leptalea J. G. Lemmon 1874-1 185 Sierra Comment
  JEPS125733  Gilia sinuata William Harnach 2014-4-29 1384 Sierra 1.2 miles North of Chilcoot on Frenchman road than 1.45 miles NE of USFS road 24N88. Comment
  SEINET12344799  Gilia sinuata J. G. Lemmon 1874-1 s.n. Sierra Comment
  UC1100351  Glyceria borealis Malcolm A. Nobs and S. Galen Smith 1949-8-20 1500 Sierra about 0.5 mi w Loyalton (on road to Sierraville); Sierra Valley 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
  SEINET11849405  Gnaphalium microcephalum J. G. Lemmon 1874-1 109 Sierra Sierra Co. &c Comment
  CHSC59684  Gnaphalium palustre L. P. Janeway 1992-9-30 4315 Sierra Plumas National Forest. About 0.1 mi north of the ridge between Mills Peak and Haskell Peak, about half way between the two peaks. 2209 Comment
  UCD84133  Gnaphalium palustre Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  CAS-BOT-BC302658  Gnaphalium palustre L. P. Janeway 1992-9-30 4315 Sierra Plumas National Forest, Beckwourth Ranger District. About 0.1 mi north of the ridge between Mills Peak and Haskell Peak, about half way between the two peaks 2209 Comment
  SEINET8770820 Image available Grindelia squarrosa I. LaRivers 1969-7-25 s.n. Sierra Verdi Comment
  UC1562333  Grindelia squarrosa var. serrulata Vernon Oswald and Lowell Ahart 1990-7-25 4394 Sierra 1.5 mi w of Hwy 395 <on> Staverville Rd 1584 Comment
  SEINET12328018  Gymnosteris parvula J. G. Lemmon 1874-1 s.n. Sierra Comment
  SJSU5208  Hackelia micrantha N. A. Hopkins 1968-6-30 142 Sierra 0.25 mi N of Packer L 1859 Comment
  CHSC73412  Hackelia nervosa B. Castro; L. Gehrung, H. Durio 1995-9-14 639 Sierra Ca 0.8 air mi SW of the top of Mt. Fillmore, and ca 0.2 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. 1962 Comment
  UC66024  Hackelia nervosa P. B. Kennedy and S. B. Doten 1901-7-24 229 Sierra Lincoln Valley Comment
  SEINET11844248  Haplopappus whitneyi subsp. whitneyi L. P. Janeway 1989-1 3633 Sierra Plumas National Forest, along SE side of McNair Mdw, ca 1 mi W of Calpine L.O., Beckwourth Ranger D 1631 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
  RSA125802  Helenium bigelovii Arthur R. Kruckeberg 1954-7-31 3657 Sierra Near Sacramento Boys Camp, Packer Lake road, Lakes Basin Recreation area. Sierra Buttes Comment
  SEINET11196753 Image available Helianthella californica P. B. Kennedy 1901-7-8 117 Sierra Near Webber Lake Comment
  SEINET11196755 Image available Helianthella californica S. B. Doten 1901-7-2 84 Sierra Webber Lake Comment
  UCD21006  Helianthella californica E. Bortiri 2002-7-2 WFC 54 Sierra Packsaddle Campground, Lakes Basin, Sierra Co. 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
  CAS-BOT-BC314809  Helianthella californica var. nevadensis Lewis S. Rose 1934-7-15 34366 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC314812  Helianthella californica var. nevadensis Carl B. Wolf 1937-8-6 9063 Sierra 1/2 mi. NE of Gold Lake, Northern Sierra Nevada 1920 Comment
  CAS-BOT-BC314818  Helianthella californica var. nevadensis Elmer I. Applegate 1921-9-7 3369 Sierra Gold Lake Comment
  CHSC352  Helianthella californica var. nevadensis V. Holt 1943-8-14 Sierra Gold Lake. 1950 Comment
  CAS-BOT-BC314811  Helianthella californica var. nevadensis H. Albert Barker 1926-7-23 222 Sierra Gold Lake 1981 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-BC305561  Helianthus bolanderi John Thomas Howell 1951-8-21 28242 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  CAS-BOT-BC305562  Helianthus bolanderi Mrs. H. C. Cantelow 1951-7-23 13 Sierra Hwy. 89 between Calpine and Satley [Sattley] Comment
  SJSU12183  Helianthus bolanderi N. A. Hopkins 1984-8-31 1243 Sierra by Hwy 89 c. 2 mi NNW of Sattley 1493 Comment
  UC1597344  Hemizonella minima J. G. Lemmon 1875-1 Sierra 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
  UCSB71371  Heracleum maximum Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of california State Highway 49, along road to graeagle, Sierra Buttes Sierra Nevada 1981 Comment
  UCD103892  Hesperis matronalis A. M. Shapiro 2011-6-19 s.n. Sierra In town of Sierraville along Hwy 89. 1524 Comment
  POM267735  Hesperochiron californicus J. W. Morrison s.n. Sierra Loyalton, Sierra Nevada mountain range, Sierra Valley drainage 1524 Comment
  RSA261545  Hesperochiron californicus Sue Adams 1967-5-21 30 Sierra 2 miles north of Sierraville. 1372 Comment
  SEINET12279752  Hesperochiron californicus J. G. Lemmon 1874-1 177 Sierra Comment
  SEINET12279753  Hesperochiron californicus J. G. Lemmon s.n. Sierra Sierra Valley Comment
  SEINET5499706  Hesperochiron californicus D. Kaplan s.n. Sierra Sierra Nevada, Sierra Valley, east slopes. 1500 Comment
  UCD119467  Hesperochiron californicus Sue Adams 1967-5-21 30 Sierra 2 miles north of Sierraville. 1371 Comment
  JEPS124542 Image available Hesperolinon micranthum Joe Ammirati 1964-6-25 53 Sierra Ca. 4 mi from Downieville at Goodyear Bar on High 49 Comment
  JEPS124544 Image available Hesperolinon micranthum J. Norris 1968-6-27 14 -B #48 Sierra Goodyear's Bar. Junction of Goodyear Bar Road and Hwy #49. 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
  SJSU12241  Heterotheca villosa var. minor N. A. Hopkins 1982-7-29 1108 Sierra 3.5 mi SSW of Beckwourth, Sierra Valley 1463 Comment
  SEINET12216911  Heuchera micrantha var. erubescens F. H. Utech 1986-1 86 -075 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  JEPS88364  Hieracium albiflorum Vernon H. Oswald and Lowell Ahart 1996-8-19 8217 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.5 mi s road to Haypress Valley; northern High Sierra Nevada 2194 Comment
  RSA39078  Hieracium albiflorum P. A. Munz 1948-8-11 12327 Sierra Carvin Creek on Hwy 49, NE of Sierra City 1738 Comment
  UC337098  Hieracium albiflorum unknown Sierra Downieville Buttes Comment
  CHSC54551  Hieracium scouleri Lowell Ahart 1991-7-22 6672 Sierra On the west side of a 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
  CHSC57262  Hieracium scouleri L. P. Janeway 1984-8-11 980 Sierra Northwest of Sierra Buttes. 2316 Comment
  UCD123732  Hippuris vulgaris Gerald Dickinson 1963-6-19 6 Sierra Portola Road, 1.2 miles north of Sattley. 1676 Comment
  SJSU4139  Hippuris vulgaris C. W. Sharsmith & W. Savage 1967-5-20 7512 Sierra 1 mi N of Sattley, Sierra Valley 1493 Comment
  UCD123735  Hippuris vulgaris P. B. Schultz 1967-7-8 61 Sierra 3 miles north of Sattley on Sattley-Beckwourth Road. 1493 Comment
  SEINET11915821  Holodiscus dumosus J. G. Lemmon 1874-1 59 Sierra No locality Comment
  UC1132114  Hordeum brachyantherum subsp. brachyantherum G. T. Nordstrom 1936-7-22 946 Sierra 1 mi se Sawmill; Sierraville Quad. Comment
  UCD85481  Hordeum brachyantherum subsp. brachyantherum Elizabeth Wilson 1939-7-12 s.n. Sierra Above Gold Lake. Comment
  SEINET6758984  Horkelia fusca subsp. parviflora W. Harnach, N. Harnach 2000-7-4 936 Sierra Approximately 0.5 miles north of Coburn Lake at the end of access road 2189 Comment
  UC329973  Horkelia fusca subsp. parviflora Lemmon July 1887 Sierra Sierra Valley Comment
  CAS-BOT-BC143410  Horkelia fusca var. brownii W. Harnach; N. Harnach 1989-5-21 106 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  CAS-BOT-BC536182  Horkelia fusca var. parviflora James Jokerst 1985-7-22 2524 Sierra Near Carman Creek 901 Comment
  CAS-BOT-BC536181  Horkelia fusca var. parviflora Ella Dales Cantelow 1938-7-2 2287 Sierra 2.8 miles NW of Calpine Comment
  CAS-BOT-BC514270  Horkelia fusca var. pseudocapitata Gordon H. True 1967-7-31 3658 Sierra Stampede Valley about 1/2 mi N of LIttle Truckee River on Dog Valley Rd 1798 Comment
  UC114315  Horkelia tridentata subsp. flavescens J. G. Lemmon 1875-1 90 Sierra Sierra Co. Comment
Read comments
Jun 12 2012
  SEINET10736878  Horkelia tridentata var. flavescens John G. Lemmon 1874-1 Lemmon 68 Sierra Comment
  UCD106137  Hosackia oblongifolia Adeline Frederick 1925-6-29 s.n. Sierra Along Hungry Mouth Dutch, Downieville. Comment
  SBBG68152  Hosackia oblongifolia var. oblongifolia H. and M. Dearing -- Sierra Aspen Valley {ambiguous locality] Comment
  PASA2125  Hydrophyllum capitatum Margaret Stason 1932-6-21 430 Sierra near hobart mills 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
  SEINET5499968  Hydrophyllum capitatum var. alpinum D. Kaplan s.n. Sierra Sierra valley 1500 Comment
  RSA8021  Hydrophyllum occidentale H. A. Barker 1927-6-24 734 Sierra Packer Lake. 1982 Comment
  SJSU11981  Hydrophyllum occidentale N. A. Hopkins 1969-7-12 276 Sierra 0.25 mi ENE of Packer L 1828 Comment
  CAS-BOT-BC400809  Hypericum anagalloides George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  RSA458254  Hypericum formosum var. scouleri W. M. Kirkwood 1933-7-30 161 Sierra Gold Creek Camp, Gold Creek. 1921 Comment
  JEPS124798 Image available Hypericum perforatum N. L. Rechen 1964-6-25 69 Sierra 3 miles East of Goodyear's Bar on Hi 49. Comment
  SJSU12141  Hypericum scouleri N. A. Hopkins 1982-6-19 1078 Sierra 1.25 mi NW of Sattley 1524 Comment
  JEPS125755  Hypochaeris radicata William Harnach 2014-8-11 1392 Sierra Townsite of Calpine, 200 block of Coates Ave. Comment
  SD103812  Ipomopsis aggregata Darley F. Howe 1978-7-10 Sierra Along Highway 89, 10 miles north of Truckee. 1951 Comment
  SEINET12278830  Ipomopsis aggregata Unknown 1877-1 s.n. Sierra Summit 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
  CAS-BOT-BC88644  Isatis tinctoria T. C. Fuller 1962-6-14 9014 Sierra North side of Highway 49 to Sierraville, 1.8 mile west of Loyalton. Comment
  UC1561683  Isoetes nuttallii Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7221 Sierra ca. 12 airmiles n. Truckee (head of Little Truckee R., ca. 1.5 mi. e. of Hwy. 89 on Tahoe Nat'l Forest Rd. S450, Kyburz Flat, upper end of flat n. of rd.); Tahoe Nat'l Forest, Little Truckee R., Kyburz Flat 1920 Comment
  CHSC78325  Isolepis setacea Lowell Ahart 2000-6-15 8478 Sierra Along the road gutter, near Gleason Spring, on the north side of the Henness Pass Road, about 1 mile west of the intersection of Mountain House Road and Henness Pass Road, about 3 miles (air) northwest of Forest, about 4 miles (air) northwest of Alleghany. 1463 Comment
  JEPS94415  Isolepis setacea Vernon Oswald and Lowell Ahart 1997-8-19 8818 Sierra Highway 49 ca. 2 mi w of Goodyears Bar (0.2 mi w of Ramshorn Campground); Highway 49 792 Comment
  SEINET11847060  Iva axillaris J. G. Lemmon 1874-1 s.n. Sierra Sierra Co., &c Comment
  UCD84226  Iva axillaris subsp. robustior 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
  CHSC67130  Ivesia aperta var. aperta James D. Jokerst 1987-6-21 2924 Sierra Golden Dome Mine Survey. Antelope Valley SE of Palen Reservoir and W of Antelope Mine, ca. 0.25 mi E of Antelope Creek. Meadow. 1584 Comment
  SD131812  Ivesia aperta var. aperta Ric Villasenor 1986-6-21 Sierra Loyalton, on flats and slopes W of Smithneck Creek, next to Jeffrey Pine forest Comment
  UC1560864  Ivesia aperta var. aperta W. and N. Harnach 1989-7-30 234 Sierra approx 1.1 mi w Loyalton (on n side of Hwy 49); Sierra Valley 1508 Comment
  JEPS111116  Ivesia aperta var. canina Steve Matson 2005-6-18 1288 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
  RSA788087  Ivesia aperta var. canina James R. Shevock, Barbara Ertter 1986-6-1 11528 Sierra Toiyabe National Forest. Dog Valley, 6.1 miles west of Verdi and less than 1.5 mile from the Forest Service Guard Station. 1800 Comment
  SJSU13867  Ivesia aperta var. canina N. A. Hopkins 1986-7-29 1333 Sierra 0.25 mi ESE of Forest Sevice Guard Station in Dog Valley Comment
  UC1137531  Ivesia aperta var. canina G. T. Nordstrom 1936-7-22 944 Sierra 1 mi se Sawmill; Sierraville Quad. 1767 Comment
Read comments
Jun 21 2013
  SEINET5332522 Image available Ivesia aperta var. canina J. Shevock, Barbara J. Ertter 1986-6-1 11532 Sierra Near the USFS Guard Station at Dog Valley, Toiyabe National Forest, NW of Verdi, Nevada. 1700 Comment
  CAS-BOT-BC142360  Ivesia sericoleuca John Thomas Howell 1962-6-18 37826 Sierra Sierra Valley, 2.5 mi. n. of Sattley - Sierra Nevada 1524 Comment
  CAS-BOT-BC142395  Ivesia sericoleuca James Jokerst 1985-7-22 2525 Sierra Near Carman Creek 901 Comment
  CAS-BOT-BC142396  Ivesia sericoleuca W. Harnach; N. Harnach 1989-6-27 190 Sierra Calpine Ranch (home) - Sierra Valley 1505 Comment
  CAS-BOT-BC142399  Ivesia sericoleuca A. R. Kruckeberg 1954-8-1 3665 Sierra 1 mi. e. of Calpine on road to Beckwourth Comment
  CAS-BOT-BC142400  Ivesia sericoleuca A. R. Kruckeberg 1954-8-1 3665 Sierra 1 mi. e. of Calpine on road to Beckwourth Comment
  JEPS44334  Ivesia sericoleuca W. L. Jepson 1918-8-18 8050 Sierra Sierra Valley 1524 Comment
  UC1748298  Ivesia sericoleuca James D. Jokerst 1985-7-22 2525 Sierra 899 Comment
  UC585094  Ivesia sericoleuca E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1678 Sierra on road to Loyalton (e side of Sierra Valley); Sierra Valley 1615 Comment
  UC717962  Ivesia sericoleuca David D. Keck 1944-7-8 5413 Sierra 1.5 mi n Sattley (on the Feather River road); Sierra Nevada, Sierra Valley 1524 Comment
  RSA788486  Ivesia webberi James R. Shevock, Barbara Ertter 1986-6-1 11531 Sierra Toiyabe National Forest. Dog Valley, 6.8 miles west of Verdi adjacent to the Forest Service Guard Station. 1800 Comment
  UC1594112  Ivesia webberi Carol Witham 1991-6-12 193 Sierra s end Upper Long Valley (0.4 mi on Road 002 w of the USFS boundary sign, 0.25 mi n of road) 1722 Comment
  SEINET10771312  Ivesia webberi Sarah Plummer Lemmon 1874-1 Sierra Comment
  UCD84202  Juncus bufonius 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
  CHSC78935  Juncus bufonius var. bufonius Lowell Ahart 2000-10-2 8704 Sierra About 100 yards west of the Pacific Crest Trail and Bunker Hill Ridge, about 1 1/2 miles southeast of Pilot Peak, about 8 miles (air) northeast of La Porte. 1920 Comment
  CHSC78936  Juncus bufonius var. occidentalis Lowell Ahart 2000-10-2 8705 Sierra About 100 yards west of the Pacific Crest Trail and Bunker Hill Ridge, about 1 1/2 miles southeast of Pilot Peak, about 8 miles (air) northeast of La Porte. 1920 Comment
  RSA769210  Juncus confusus L. Ahart 2010-9-15 17192 Sierra About 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak 2135 Comment
  UCR63633  Juncus covillei B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0944 Sierra Sierra Nevada Mtns., Plumas National Forest, Gold Lake, near the boat ramp 1960 Comment
  CHSC60561  Juncus drummondii L. P. Janeway 1984-9-15 1157 Sierra North of Sierra Buttes; on ridge between Young America Lake and Tamarack Lake. 2194 Comment
  CHSC49614  Juncus ensifolius Vernon Oswald 1984-6-25 1314 Sierra La Porte-Quincy Rd., about 7 mi n-e of La Porte. On the edge of a meadow. 1737 Comment
  CHSC69956  Juncus ensifolius L. P. Janeway; Eric Schroder 1997-8-19 5349 Sierra Tahoe National Forest. Freeman Meadow along Church Creek; about 2.3 mi east of Gold Lake. 2072 Comment
  JEPS117667  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) ea 2134 Comment
  RSA239272  Juncus ensifolius Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42355 Sierra Plumas National Forest: Near pond N of Goose Lake. 2058 Comment
  RSA716406  Juncus ensifolius L. Ahart 2005-8-30 12344 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. 2033 Comment
  SBBG128011  Juncus ensifolius L. Ahart 2010-9-15 17183 Sierra ca. 15 yards N of the first pond, ca. 20 yards NW of the cabin, ca. 50 yards SW of the middle pond, at the spring ca. 2.75 mi (air) N of Yuba Pass on Hwy 49, ca. 4 mi (air) E of Haskell Peak 2134 Comment
  SBBG55215  Juncus hemiendytus B. Ertter, J. L. Strachan, A. Tiehm, M. Williams 1979-6-13 2765 Sierra Dog Valley on Mitchell Cyn Rd, Toiyabe Nat Forest Comment
  RSA304312  Juncus hemiendytus var. hemiendytus Barbara Ertter, Jeffrey L. Strachan, A. Tiehm, Margaret J. Williams 1979-6-13 2765 Sierra Dog Valley on Mitchell Canyon Road, Toiyabe National Forest, W of Reno. Comment
  SEINET6175581  Juncus mertensianus W. Harnach, N. Harnach 2000-7-4 937 Sierra Sierra Valley, about 1/2 mile north of Coburn Lake at the end of access road 2190 Comment
  UC54234  Juncus mexicanus H. M. Hall and E. B. Babcock Jul 1903 4488 Sierra near Sierra Buttes; Sierra Nevada Mountains, Lower Sardine Lake 1828 Comment
  CHSC47013  Juncus nevadensis L. P. Janeway 1989-8-18 3609 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. In dirt road. 2057 Comment
  CHSC74022  Juncus nevadensis B. Castro; M. A. Griggs 1997-7-10 777 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. On mid-slope of northeast face (leeward side) of ridge. 2133 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
  SEINET9370932  Juncus nevadensis Unknown 2009-6-8 Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km E of Westside Rd. Grassland with Artemisia tridentata. Comment
  CHSC105688  Juncus occidentalis Lowell Ahart 2010-9-15 17192 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
  CHSC60624  Juncus occidentalis L. P. Janeway 1984-8-19 1050 B Sierra Meadow at second switchback down the road from Packers Saddle toward Packer Lake. 1981 Comment
  RSA772429  Juncus occidentalis L. Ahart 2010-9-15 17192 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring., About 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak 2135 Comment
  RSA95480  Juncus occidentalis J. T. Howell 1951-8-21 28256 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  SEINET6174948  Juncus orthophyllus W. Harnach, N. Harnach 1990-6-30 433 Sierra Sierra Valley, Yuba Pass 2042 Comment
  UC1609501  Juncus orthophyllus Lowell Ahart 1993-9-24 7243 Sierra ca. 3/4 mi. s. of dirt rd. from Gibsonville to Johnsville (n. side of Mt. Fillmore, w. side of poor dirt rd. that ends at a stream); Mt. Fillmore 2133 Comment
  SEINET13710041  Juncus orthophyllus Lowell William Ahart, Lowell William Ahart 2001-1 9067 Sierra Haypress Valley, 100 Yds. S of Yuba Pass Webber Lake Rd. (Fsr 12), 4 Mi. NW Webber Lake (T19N, R13E, sec 1, SW 1/4) 7000 Ft. 680 Comment
  SEINET6174925  Juncus parryi W. Harnach, N. Harnach 2000-7-4 940 Sierra Sierra Valley, about 1.2 mile north of Coburn Lake at the end of access road 2188 Comment
  CAS-BOT-BC494144  Juncus scheuchzerioides Peter F. Zika 2013-6-28 26255 Sierra Sierra Buttes Road, 2.4 airkm SW of Sierra Buttes peak 1620 Comment
  SEINET3881131  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan; Arnold Tiehm; Margaret Williams 1979-6-13 2766 Sierra Dog Valley, Mitchell Canyon Road W of Reno, Toiyabe Nat'l Forest.; 0 Comment
  RSA8063  Juniperus communis var. montana H. A. Barker 1927-8-14 841 Sierra Near (north) Hawley Lake 2043 Comment
  CAS-BOT-BC85314  Juniperus occidentalis John Thomas Howell; Gordon H. True 1970-7-14 5516 Sierra Sierra Nevada - at Verdi Peak Lookout, Verdi Range 2560 Comment
  UC572406  Juniperus occidentalis G. T. Nordstrom 1936-7-14 941 Sierra 3 mi nw Dog Valley; Sierraville Quadrangle 2499 Comment
  SEINET5334967  Juniperus occidentalis W. D. Billings 1947-4-28 1669 Sierra E. of old Dog Valley Grade, 3 mi. N.W. of Verdi 1829 Comment
  RSA123370  Juniperus occidentalis var. occidentalis A. Lewis 1934-10-5 538 Sierra 2 miles SE of Milton. Tahoe National Forest 1829 Comment
  CHSC110460  Kalmia polifolia L. P. Janeway; Tim Hanson, Emily Meigs 2013-7-25 11191 Sierra Northern High Sierra Nevada. Plumas National Forest; Mt Fillmore Meadows, meadow #1 (also called High Bench Fen); head of Pearson Ravine, 1.0 air km southwest of the top of Mt Fillmore. 2111 Comment
  JEPS125765  Keckiella breviflora var. glabrisepala William Harnach 2015-6-17 1422 Sierra Approximately 2.5 miles north of Cal-Ida Road from Highway 49 at Indian Valley. Comment
  CHSC115929  Keckiella lemmonii L. P. Janeway 2015-8-26 11852 Sierra Northern High Sierra Nevada. Plumas National Forest; south slope of Sawmill Ridge overlooking East Branch Slate Creek. 1737 Comment
  UCR249170  Keckiella lemmonii George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20788 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.8 miles west of Goodyears Bar, c. 5 miles west of Downieville 779 Comment
  UCR47787  Keckiella lemmonii D. C. Michener 1980-8-5 3789 Sierra Northern Sierra Nevada Mtns, Above Salmon Creek, south of Graeagle 1799 Comment
  CHSC59507  Kyhosia bolanderi Lowell Ahart 1992-8-6 6916 Sierra Near seeps and bogs, north of Black Jack Ravine, about 1 mile south of Granite Mountain, about 1/2 mile west of Harris Meadow. 1676 Comment
  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
  CAS-BOT-BC340359  Kyhosia bolanderi Clare B. Hardham 1985-7-31 30111 Sierra Chapman Creek, west side of Yuba Pass 1767 Comment
  CAS-BOT-BC340361  Kyhosia bolanderi Bruce G. Baldwin 1985-8-25 505 Sierra Immediately east of entrance to Tahoe National Forest campground at Yuba Pass, California State Highway 49 2042 Comment
  CAS-BOT-BC340362  Kyhosia bolanderi Bruce G. Baldwin 1985-8-25 506 Sierra Immediately north of Yuba Pass, California State Highway 49 2057 Comment
  UCD135681  Kyhosia bolanderi Bruce G. Baldwin 1985-8-25 505 Sierra immediately east of entrance to Tahoe National Forest campground at Yuba Pass, California State Highway 49. 2042 Comment
  UCR257785  Lactuca serriola George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19510 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  JEPS36696  Lactuca tatarica subsp. pulchella J. G. Lemmon Sierra Sierra Valley Comment
  SEINET7368210  Lathyrus lanszwertii D. Anderson 1962-5-9 s.n. Sierra Dog Valley Comment
  CAS-BOT-BC213274  Lathyrus sulphureus L. E. Smith 1926-4-29 1744 Sierra South Fork Yuba along Downieville Road, Tahoe National Forest 609 Comment
  SEINET6658650  Lathyrus sulphureus Duane Isely 1965-5-29 9650 Sierra State #49, ca 1/2 mile north-east crossing of North Yuba River.; 0 Comment
  JEPS125716  Layia glandulosa William Harnach 2014-4-29 1386 Sierra 1.2 miles North of Chilcoot on Frenchman road than 1.45 miles Ne of USFS road 24N88. Comment
  CAS-BOT-BC321063  Layia glandulosa H. M. Hall; E. B. Babcock 1903-6-16 4089 Sierra Shasta Valley (Mount Shasta region) 914 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-BC534399  Lemna gibba Malcolm A. Nobs; S. Galen Smith 1949-8-20 1492 Sierra 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley Comment
  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
  POM312462  Lemna minor Malcolm A. Nobs, S. Galen Smith 1949-8-20 1495 Sierra About 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley Comment
  JEPS125706  Lemna minuta William Harnach 2015-10-6 1460 Sierra 1.6 miles North of Sattley on County Road A-23. Comment
  JEPS125712  Lemna minuta William Harnach 2015-10-13 1461 Sierra 2.4 miles West of Loyalton (intersection of Hill St and Highway 49) on North side of Highway 49. Comment
  SEINET8655853  Lemna valdiviana W. Harnach 2015-10-6 1459 Sierra Hwy 49, approx 1/4 mile SE of Sattley. At the culvert of Turner Creek. 1501 Comment
  SJSU13955  Lemna valdiviana N. A. Hopkins 1985-7-3 1290 Sierra by rd between Sierraville & Lemon Valley, Sierra Valley 1767 Comment
  CHSC12404  Lepidium campestre Lowell Ahart 1973-5-25 Sierra Near Alleghany. 914 Comment
  CHSC81013  Lepidium campestre Lowell Ahart 2001-8-10 9092 Sierra About 20 feet south of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  HSC96973  Lepidium campestre L. Ahart 2006-6-21 12800 Sierra W side of Foote Rd., near Blue Ravine, 3 mi. SW of Alleghany 1054 Comment
  CAS-BOT-BC88851  Lepidium campestre Catherine Best 1981-6-19 s.n. Sierra Sierra Nevada. Herringtons. Comment
  CAS-BOT-BC88856  Lepidium campestre Alice Eastwood 1918-6-29 7802 Sierra Loyalton. Comment
  CAS-BOT-BC88857  Lepidium campestre Gordon H. True 1966-7-21 3097 Sierra Sierra Nevada. Sierra Valley, about 1 mile north of Sattley. 1493 Comment
  CDA9218  Lepidium densiflorum D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .313 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 Comment
  CHSC74078  Lepidium latifolium B. Castro 1998-7-20 809 B Sierra Ca 8.5 air mi SSE of Hallelujah Jcn (jcn Hwys 89/395), ca 0.5 mi W of the Nevada border, and 300 ft W of Long Valley Rd. On the W edge of Long Valley Creek by old windmill. 1569 Comment
  SEINET8655751  Lepidium virginicum var. pubescens W. Harnach 2014-6-8 1389 Sierra Townsite of Calpine, behind 208 Coates Ave. 1524 Comment
  UC67097  Leptodactylon pungens S. B. Doten and P. B. Kennedy 1901-7-8 104 Sierra Webber Falls Comment
  UCD40245  Leptosiphon ciliatus Rodney Gale Myatt 1972-6-1 1586 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  SEINET14161868  Leptosiphon ciliatus S. B. Doten 1901-7-2 74 b Sierra NE Webber Lake Comment
  SEINET8480490  Leucocrinum montanum H. F. Sloan 1959-4-26 s.n. Sierra Ca 12 miles W of Loyalton, W side of Sierra Valley. Comment
  SEINET6168386  Leucophysalis nana W. Harnach, Nancy Harnach 1993-7-11 749 Sierra Sierra Valley. Ca 2-1/2 mile south of Yba Pass Campground on west side of road 2121 Comment
  CAS-BOT-BC58252  Leucothoe davisiae Lewis S. Rose 1934-7-12 34352 Sierra Gold Lake. 1950 Comment
  CAS-BOT-BC58253  Leucothoe davisiae Elmer I. Applegate 1921-9-7 3376 Sierra Gold Lake. 1981 Comment
  CAS-BOT-BC58255  Leucothoe davisiae Alice Eastwood 1918-4-7 6803 Sierra Above n. fork of Yuba River, along road. Comment
  CHSC43533  Leucothoe davisiae Lowell Ahart 1977-7-15 1474 Sierra A small mountain meadow on the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1981 Comment
  CHSC599  Leucothoe davisiae V. Holt 1942-7-16 Sierra Bear Lake near Gold Lake. 1950 Comment
  POM203460  Leucothoe davisiae L. S. Rose 1934-7-12 34352 Sierra Gold Lake 1951 Comment
  RSA252455  Leucothoe davisiae R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-6 39206 Sierra Goose Lake, SE of Gold Lake. 1951 Comment
  UC105932  Leucothoe davisiae J. G. Lemmon 1874-1 22 Sierra near Webber and Gold Lakes ((also in Butterfly and American Valleys)) Comment
  UCD63705  Leucothoe davisiae Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Sierra Forest City. Granite Mountain. Tahoe National Forest. Banner Mine Road to Harris Meadows. 1830 Comment
  CAS-BOT-BC233819  Lewisia cantelovii John Thomas Howell 1959-9-26 35074 Sierra N. Fk. Feather River 1 mile above USGS marker for 2000 ft., 3.2 mi. W of Belden, Sierra Nevada 609 Comment
  CAS-BOT-BC233821  Lewisia cantelovii Gordon H. True 1962-5-1 s.n. Sierra North Fork Yuba River, bridge between Comptonville and Downieville Comment
  JEPS95490  Lewisia kelloggii Lowell Ahart 1994-7-1 7446 Sierra 11 air miles NE of Alleghany (N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, 1 1/2 mi NE of Middlewaters) 1889 Comment
  CAS-BOT-BC123021  Lewisia kelloggii subsp. hutchisonii Paul C. Hutchinson; R. C. Bacigalupi 1982-7-1 8105 Sierra Saddleback mountain; forestry road ca 9 mi N of Downieville, west of summit at junction with a side road to the NW 1828 Comment
  JEPS109855  Lewisia kelloggii subsp. hutchisonii Dean W. Taylor 2006-6-7 19539 Sierra Henness Pass Road 2.6 miles East of Cornish House (site) 1783 Comment
  UC1755267  Lewisia kelloggii subsp. hutchisonii D. W. Taylor 2004-6-9 19090 Sierra Lafayette Ridge, eastern flanks, watershed south fork Kanaka Creek Comment
  UC1136692  Lewisia nevadensis H. S. Yates 1935-6-29 5293 Sierra Church Meadows Plumas National Forest, Downieville quadrangle Comment
  UCD101628  Lewisia nevadensis R. O. Hanes 1991-6-2 36 Sierra Tahoe Forest, Kyburz Flat. 1920 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-BC444496  Lewisia triphylla Lowell Ahart 1978-9-26 s.n. Sierra On north side of Mt. Fillmore. 2200 Comment
  CAS-BOT-BC444497  Lewisia triphylla Catherine Best 1982-7-12 748 Sierra Above Packer's Lake. 2011 Comment
  JEPS68586  Leymus triticoides W. L. Jepson 1918-8-18 8048 Sierra Sierra Valley 1524 Comment
  JEPS125791  Ligusticum grayi William Harnach 2012-7-30 1273 Sierra Approximately 1 mile south of Forest Road 09, on Road 0913. 1.5 air miles SE of Haskell Peak, Tahoe National Forest. Comment
  POM202943  Ligusticum grayi L. S. Rose 1934-7-15 34369 Sierra Gold Lake 1951 Comment
  UC198909  Lilium columbianum C. F. Sonne May 1889 b Sierra Dog Valley Comment
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Dec 13 2006
  UCSB27060  Lilium kelleyanum Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of california State Highway 49, along road to graeagle, Sierra Buttes Sierra Nevada 1981 Comment
  CAS-BOT-BC509351  Lilium kelleyanum W. Harnach; N. Harnach 1989-6-24 169 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1517 Comment
  CAS-BOT-BC509352  Lilium kelleyanum George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  LA84037  Lilium pardalinum O. H. Kappler; 1946-7-20 1336 Sierra North Fork, Yuba River 822 Comment
  UC843976  Lilium pardalinum Mrs. E. C. Sutliffe Jul 1918 Sierra Salmon Lake Comment
  UCD139753  Lilium pardalinum subsp. shastense R. O. Hanes 1995-7-17 273 Sierra Tahoe Forest, Road 98-3, lower spur. 1780 Comment
  JEPS62042  Lilium washingtonianum subsp. washingtonianum A. U. Ames 1913-6-30 6 Sierra Sierraville Comment
  CAS-BOT-BC246062  Limosella aquatica Herbert L. Mason 1952-7-19 14452 a Sierra 1.5 miles east of Calpine at junction of Calpine with Sierraville-Beckwourth Road, Sierra Valley 1524 Comment
  SEINET10496795  Linanthus ciliatus Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4481 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
  SEINET14377043  Linanthus pungens P. B. Kennedy, S. B. Doten 1901-7-8 104 Sierra [Sierra Nevada] Webber Falls, face of cliff below Comment
  POM282437  Linanthus pungens subsp. pulchriflorus J. W. Morrison s.n. Sierra Loyalton, Sierra Nevada mountain range, Sierra Valley drainage 1524 Comment
  CDA6350  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-28 11174 Sierra Northeast limits of Loyalton. 0 Comment
  CHSC117654  Linnaea borealis var. longiflora Lowell Ahart 2016-9-9 21347 Sierra On the west side of the road, 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. 1249 Comment
  UCD110589  Linum lewisii Tim Metcalf 1973-5-27 97 Sierra 1 mile west of Loyalton on State Highway 49. 1493 Comment
  UC117077  Listera convallarioides J. G. Lemmon 1875-1 256 Sierra Comment
  SEINET6032231  Lithophragma glabrum W. Harnach, N. Harnach 1989-5-18 096 Sierra 0.5 miles E of Calpine, Calpine Ranch (home), Sierra Valley 1506 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
  SJSU11956  Lithophragma glabrum N. A. Hopkins 1972-6-16 460 Sierra 0.25 mi SE of Packer L 1935 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
  CHSC45970  Lithophragma tenellum Lowell Ahart 1975-6-28 818 Sierra On an open mountain, about 2 miles east of Gibsonville, about 10 miles north-east of La Porte. 1981 Comment
  SJSU11955  Lithophragma tenellum N. A. Hopkins 1979-5-11 930 Sierra c. 2 mi N of Sattley, Sierra Valley 1493 Comment
  SEINET8661893  Lomatium dissectum var. multifidum P. B. Kennedy, S. B. Doten 1901-7-12 152 Sierra Near Webber Lake Comment
  JEPS110048  Lomatium macrocarpum Lowell Ahart 2006-6-21 12835 Sierra About 30 yards west of the road, about 2 1/2 miles (by road) west of Forest 1397 Comment
  UC584310  Lomatium macrocarpum G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2133 Sierra ca. 3 1/2 mi. e. Loyalton 1600 Comment
  CAS-BOT-BC205792  Lomatium nudicaule James R. Shevock 1985-5-19 11148 Sierra Northern Sierra Nevada. Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  JEPS17534  Lomatium nudicaule W. L. Jepson 1918-8-18 8045 Sierra Sierra Valley 1524 Comment
  RSA790201  Lomatium nudicaule J. R. Shevock 1985-5-19 11148 Sierra Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville. 1650 Comment
  UCD127705  Lomatium nudicaule Lee Smith; W. B. McHenry 1970-6-10 s.n. Sierra ca. 3 miles northwest of Sierraville, State Highway 89. Comment
  JEPS125824  Lomatium triternatum subsp. triternatum William Harnach 2013-6-8 1366 Sierra Approximately 1/4 mile South of power substation on old Long Valley Road, West of Highway 395, near Bordertown, NV. Comment
  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
  CAS-BOT-BC243915  Lonicera involucrata var. involucrata W. R. Dudley 1894-8-29 s.n. Sierra Near Webber Lake, Sierra Valley Comment
  CAS-BOT-BC243917  Lonicera involucrata var. involucrata M. S. Taylor 1982-7-19 4886 Sierra Between Hwy 89 and Little Truckee River, ca. 1/4 mi. N of Little Truckee Campground, ca. 12 mi SW of Sierraville Comment
  CHSC11390  Lonicera involucrata var. involucrata Lowell Ahart 1971-8-6 Sierra Two miles W of Webber Lake. 2286 Comment
  HSC93309  Lonicera involucrata var. involucrata Vernon H. Oswald, L. Ahart 1996-8-19 8230 Sierra Lake of the Woods, ca. 1.5 mi. NE of Webber Lake. 2256 Comment
  UC54576  Lonicera involucrata var. involucrata H. M. Hall and E. B. Babcock July 1903 4501 Sierra Gold Lake Sierra Nevada Mountains 1950 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
  UCR257815  Lotus purshianus var. purshianus George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19446 Sierra Northern Sierra Nevada Mountains, Henness Pass Road, 1.1 mile east of its junction with CA-89 at the north end of Kyburz Flat 1907 Comment
  RSA568547  Lotus unifoliolatus Geo. L. Moxley 1920-6-24 14904 Sierra Siskiyou Mts. 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
  CHSC73948  Lupinus angustiflorus B. Castro 1997-6-25 749 Sierra Ca 8 air mi NE of La Porte, just off the SE edge of Sawmill Ridge, ca. 0.6 rd mi E of jcn Co. Rd 900 (to Jonesville) and USFS Rd 22N10 (to Bunker Hill Ridge). Just downhill (E) from bend in road, ca 0.15 rd mi W of E Branch Slate Creek crossing. 1926 Comment
  UC54406  Lupinus apertus H. M. Hall and E. B. Babcock July, 1903 4508 Sierra Gold Lake; Sierra Nevada Mountains, Gold Lake 1950 Comment
  UC585205  Lupinus arbustus E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1619 Sierra on the highway 1 1/2 mi s Sierraville; s of Sierraville 1615 Comment
  SEINET5327700  Lupinus arbustus P. B. Kennedy, Samuel Bradford Doten 1901-7-8 136 Sierra [Sierra Nevada] Webber Lake Comment
  CAS-BOT-BC196350  Lupinus argenteus var. argenteus D. H. Wilken; E. L. Painter; M. Wetherwax 2007-6-17 16749 Sierra East end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake, Sierra Buttes 1985 Comment
  UCD106805  Lupinus argenteus var. heteranthus Beecher Crampton 1954-5-11 1889 Sierra Sierra Valley, 4 miles west of Loyalton. Comment
  UCD106806  Lupinus argenteus var. heteranthus N. Hopkins 1982-6-19 1061 Sierra near Boondoggle. Ca. 1 mi S. Capine. 1828 Comment
  SEINET8665944  Lupinus bicolor W. Harnach 2013-4-25 1310 Sierra 1.5 miles west of Downieville on Hwy 49 at Rosassaco Ravine. 880 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-BC494133  Lupinus bicolor William Harnach 2000-5-22 895 Sierra Sierra Valley. 1.5 mi N of the intersection of A-23 and Calpine Rd. 1498 Comment
  UCD148939  Lupinus breweri Albert Grigarick 2013-6-1 340 Sierra North of Truckee, west of highway 89N. 0.6 miles west of Forest Service Road 12. On right side of road. Comment
  HSC14902  Lupinus breweri R. Spellenberg 1964-6-14 386 Sierra 7 mi. W of Sierraville on Hwy. 49 Comment
  CAS-BOT-BC196690  Lupinus breweri var. breweri Joseph Gerber 1953-7-4 3 Sierra Lake Independence 2133 Comment
  RSA195693  Lupinus breweri var. breweri Duane Isely 1965-5-29 9657 a Sierra Near State Hwy. #49, ca. 7.5 miles west Sierraville. 1677 Comment
  RSA286294  Lupinus breweri var. breweri Robert F. Thorne 1974-7-30 45040 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  RSA7876  Lupinus breweri var. breweri H. A. Barker 1927-6-26 737 Sierra Gold Lake 1966 Comment
  CHSC45916  Lupinus dalesiae Lowell Ahart 1981-6-23 2878 Sierra About 1/4 mi south of Whiskey Creek, about 9 air miles north-east of La Porte. 1645 Comment
  SEINET10490332  Lupinus grayi H. Dearing, M. Dearing 1939-5-8 Dearing 3305 Sierra Near downiesville. Comment
  RSA641652  Lupinus lepidus var. confertus Robert F. Thorne 1974-7-30 45039 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes area. 2058 Comment
  UC1129512  Lupinus lepidus var. confertus G. T. Nordstrom 1936-7-23 962 Sierra 2 mi sw Purdy; Sierraville Quad. 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
  CHSC54586  Lupinus lepidus var. sellulus Lowell Ahart 1991-7-22 6689 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  UC1609019  Lupinus obtusilobus Lowell Ahart 1993-9-10 7213 Sierra about 1 1/2 mi s dirt road from Gibsonville to Johnsville n side Mount Fillmore; n side Mount Fillmore 2286 Comment
  UC570354  Lupinus obtusilobus A. Lewis 1934-6-15 483 -D Sierra Mt. Fillmore Mount Fillmore; Plumas National Forest, Downieville Quad., Mt. Fillmore Comment
  SEINET10819700 Image available Lupinus onustus John G. Lemmon Lemmon s.n. Sierra Indian Valley to Shasta Comment
  RSA305919  Lupinus polyphyllus subsp. polyphyllus Fay A. MacFadden 1934-6-29 12786 Sierra Little Truckee River, 13 miles from Hobart Mills on old road to Reno Comment
  CAS-BOT-BC383088  Lupinus polyphyllus var. burkei Andrew Townesmith; Karen M. Meyer 2007-7-16 813 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 1.1 miles west of junction with county road 860 1916 Comment
  CHSC105830  Luzula cascadensis Lowell Ahart 2010-8-3 17033 Sierra Disturbed area along a small stream that flows into Negro Creek, east side of the poor logging road, about 100 yards east of Negro Creek, about 1/8 mile (air) west of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  CHSC115741  Luzula cascadensis Peter F. Zika 2013-6-28 26260 Sierra Sierra Buttes Road, 2.4 air km SW of Sierra Buttes peak, northern High Sierra Nevada. 1620 Comment
  CAS-BOT-BC441415  Luzula cascadensis Gladys L. Smith 1959-6-19 1201 Sierra Sierra Nevada. Clark Station, 3 miles below Yuba Pass. David Snyder cabin 1889 Comment
  SEINET6331927  Luzula comosa W. Harnach, Nancy Harnach 1990-5-13 314 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch 1518 Comment
  SEINET8665906  Luzula comosa var. comosa W. Harnach 2013-4-25 1318 Sierra 1.6 miles west of Goodyears Bar on Hwy 49 and north of the Ramshorn campground. 839 Comment
  UC1586497  Luzula comosa var. laxa Lowell Ahart 1991-7-22 6687 Sierra In French Meadow, near a small branch of Pass Creek, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake 2133 Comment
  CHSC40669  Luzula divaricata J. D. Jokerst 1982-9-10 1671 Sierra On the trail to the summit of Sierra Buttes from Packer Lake. 2316 Comment
  SEINET6329710  Luzula divaricata P. B. Kennedy, S. B. Doten 1901-7-23 205 Sierra South of Lincoln Valley Comment
  RSA0118751  Luzula macrantha Lowell Ahart 2015-5-9 20176 Sierra On the south side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  UC1609500  Luzula subcongesta Lowell Ahart 1993-9-10 7189 Sierra ca. 1 mi. s.w. of the dirt rd. from Gibsonville to Johnsville (at end of poor dirt rd. where there is a camp & water ditch, along small stream, n. side of Mt. Fillmore); Mt. Fillmore 2133 Comment
  JEPS125822  Luzula subsessilis William Harnach 2013-4-25 1319 Sierra 1.6 miles West of Goodyears Bar on Highway 49 and North of the Ramshorn campground. Comment
  SEINET6170872  Lycium barbarum H. Hamlin 1522 Sierra Sierra Valley Comment
  JEPS124834 Image available Lythrum hyssopifolia C. Meek 1969-6-26 20 Sierra 2 mi northeast of Sattley on A23; along roadside in medium moisture. Comment
  UCD84192  Lythrum portula Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  CAS-BOT-BC342595  Madia W. Harnach; N. Harnach 1990-8-20 521 Sierra Sierra Valley. Calpine Ranch (Home) 1508 Comment
  CAS-BOT-BC342597  Madia W. Harnach; N. Harnach 1989-6-21 158 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  CDA11867  Madia elegans G. F. Hrusa, J. Jokerst 1991-7-5 8528 A Sierra Sierra Valley Region; Above Golden Dome. Antelope Valley approx. 3 miles above Sierra Valley. Comment
  SEINET11601324 Image available Madia elegans W. Harnach, N. Harnach 1989-6-21 158 Sierra Sierra Valley; E of Calpine, Calpine Ranch (home); 39.675619 -120.422666 1506 Comment
  SEINET11601332 Image available Madia elegans W. Harnach, N. Harnach 1990-9-3 527 Sierra Sierra Valley. Approx 1.5 miles S of The Calpine Rd./ A-23 intersection on A-23, Just south of the gate to the Fisher field. Comment
  SEINET11601333 Image available Madia elegans W. Harnach 1990-8-20 521 Sierra Sierra Valley, 160 Calpine Road, Calpine 1509 Comment
  UCD84087  Madia exigua Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra County. Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  UCR225255B  Madia exigua Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra Valley, Harvey Ranch, along Westside Road, c. 1 km north of the intersection of Westside Road and Calpine Road, c. 200 m west of Westside Road 1498 Comment
  CAS-BOT-BC342885  Madia glomerata Catherine Best 1983-8-29 891 Sierra Growing along Hwy 49 just west of the Yuba Summit 2042 Comment
  JEPS30005  Madia glomerata W. L. Jepson 1934-8-2 16794 Sierra 2 mi e Bassett Sta. (Pioneer Sta.); North Fork Yuba River 1706 Comment
  JEPS30006  Madia glomerata W. L. Jepson 1934-8-7 16874 Sierra Onion Valley Comment
  SEINET10474804  Madia glomerata Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4476 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
  RSA0035519  Madia gracilis George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-5 20751 Sierra Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  RSA479472  Mahonia nervosa G. H. True, Charlotte Pyle 1977-9-29 8461 Sierra On branch of Humbug Creek on Joubert Mt. House Road, ca. 6.5 miles east of Highway 49 at Joubert Diggings ca. 8.5 miles north of Camptonville. 1280 Comment
  CAS-BOT-BC512754  Maianthemum racemosum subsp. amplexicaule W. Harnach; N. Harnach 1990-6-30 439 Sierra Sierra Valley, Yuba Pass 2042 Comment
  JEPS110287  Malacothrix floccifera 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
  CAS-BOT-BC347357  Malacothrix floccifera L. S. Smith 1935-6-20 2758 Sierra Tahoe National Forest. Sierra Valley along road to Loyalton 1554 Comment
  SEINET8887871  Malva neglecta I. LaRivers 1960-6-21 s.n. Sierra Verdi. Comment
  JEPS124641 Image available Matricaria matricarioides C. L. Kline 1965-7-6 152 Sierra 2.6 miles south of junction of Beckworth and Sattley Rds. at Sierra City, along HWY 89. Comment
  CHSC73893  Melica aristata B. Castro; M. A. Griggs 1997-7-10 750 Sierra Bunker Hill Ridge, on SW-facing slope between Duck Soup Pond and the ridge crest, along Pacific Crest Trail. 2072 Comment
  JEPS75458  Melica aristata W. L. Jepson 1934-8-3 16835 Sierra 2 mi e Bassett station (Pioneer road station); North Fork Yuba River 1706 Comment
  UCD67017  Melica aristata R. Tofsrud 1947-7-1 233 Sierra Between Mt. House and Forest. Comment
  CAS-BOT-BC271805  Melica bulbosa S. B. Doten 1901-7-5 99 Sierra Webber Lake Comment
  CHSC57111  Melica bulbosa var. bulbosa L. P. Janeway; Garrett Gibson 1991-7-22 4087 Sierra Plumas National Forest. North-facing slope 1/2 mi due east of Mohawk Gap (along road 21N31B). 2225 Comment
  CHSC65188  Melica fugax Lowell Ahart 1995-8-7 7600 Sierra On the south side of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile (air) south-west of Pilot Peak. 2011 Comment
  CHSC94211  Melica fugax Lowell Ahart 2006-6-28 12873 Sierra Northwest slope of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  CHSC94217  Melica geyeri Lowell Ahart 2006-6-21 12832 Sierra About 30 yards east of Lucky Dog Creek, about 100 yards west of the road, about 2 1/2 miles (by road) west of Forest. 1397 Comment
  CAS-BOT-BC281385  Melica harfordii Lowell Ahart 1981-7-24 2991 Sierra Near the Flume Camp, ca 4 miles E of La Porte 1600 Comment
  UC569493  Melica stricta G. T. Nordstrom 1936-7-8 904 Sierra 2.25 mi nw Dog Valley; Sierraville Quad. 2133 Comment
  SEINET4671673  Melica stricta P. B. Kennedy, S. B. Doten 1901-7-6 s.n. Sierra Canyon below Webber Falls Comment
  SCFS1081  Mentha arvensis F. Felix 2014-1 Sierra Cobbled creek bank 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
  SJSU12138  Mentzelia veatchiana N. A. Hopkins 1971-6-14 390 Sierra Lemon Canyon Rd near Bear Valley 1676 Comment
  JEPS70761  Mertensia ciliata Leland S. Smith 1928-6-12 2329 Sierra W of Sardine (Henness Pass Road) 1828 Comment
  CHSC45979  Micranthes bryophora Lowell Ahart 1976-7-30 1182 Sierra Along the edges of a small stream that drains the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1981 Comment
  SEINET6033601  Micranthes integrifolia Unknown 1929-5-12 s.n. Sierra 15 mi. W of Portola. Comment
  SEINET12220826  Micranthes nelsoniana J. G. Lemmon 1874-1 75 Sierra Sierra Co. &c 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
  SEINET6167260  Micranthes odontoloma P. B. Kennedy, S. B. Doten 1901-7-23 201 Sierra Lincoln Valley Comment
  SJSU12274  Micranthes odontoloma N. A. Hopkins 1984-8-31 1255 Sierra edge of Coburn L c. 4 mi SSE of summit of Yuba Pass 2286 Comment
  CAS-BOT-BC429249  Micranthes oregana G. L Smith 1959-6-19 1195 Sierra Clark Sta., 3 mi. below Yuba Pass, David Snyder summer home 1889 Comment
  SEINET6167423  Micranthes oregana W. Harnach, N. Harnach 1989-5-13 094 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti ranch 1518 Comment
  CHSC44884  Microseris nutans Lowell Ahart 1975-8-17 947 Sierra Near the edge of Jones Valley, about 3 air miles west and 2 miles south of Webber Lake. 2286 Comment
  SEINET11810191  Microseris nutans J. G. Lemmon 1874-1 129 Sierra Sierra Co. &c Comment
  SJSU12222  Microseris nutans N. A. Hopkins 1982-6-20 1060 Sierra 1 mi SW of Calpine 1524 Comment
  SJSU4997  Microseris nutans N. A. Hopkins 1968-6-29 126 Sierra Packer L 1950 Comment
  UC131410  Microseris nutans J. G. Lemmon 1870-1 Sierra Comment
  SJSU14257  Microsteris gracilis N. A. Hopkins 1989-6-15 1537 Sierra c. 1.5 mi SW of Calpine 1524 Comment
  JEPS87324  Mimulus David M. Thompson 1992-6-9 1122 Sierra w Goodyears Bar (0.4 mi w of Ramshorn Campground turnoff along Hwy 49); North Fork Yuba River 760 Comment
  UCR249171  Mimulus aurantiacus George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20787 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.8 miles west of Goodyears Bar, c. 5 miles west of Downieville 779 Comment
  SEINET12269791  Mimulus aurantiacus J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  UC335155  Mimulus glaucescens Lemmon 1889-6-8 Sierra Sierra Valley Comment
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Dec 13 2015
  RSA296383  Mimulus guttatus W. L. Jepson 1934-8-2 16796 Sierra Pioneer Road Sta., 2 mi. e. of Bassett Sta., North Fork Yuba River. 1707 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
  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
  POM161629  Mimulus nanus var. jepsonii R. C. Bacigalupi 1927-7-4 1625 Sierra North Fork of Yuba River, 2 miles west of Yuba Park. 1921 Comment
  JEPS30991  Mimulus nanus var. mephiticus D. E. Breedlove 1962-6-13 3528 Sierra 10.0 mi s Sierraville (on State Highway 89); Sierra Nevada, Little Truckee River 1950 Comment
  RSA795661  Mimulus nanus var. mephiticus L. P. Janeway, B. Castro 2012-6-16 10881 Sierra Northern High Sierra Nevada. Tip of a short southeastern spur of Gibsonville Ridge, 1.1 km NNW of Gibsonville. 1885 Comment
  RSA8066  Mimulus primuloides var. pilosellus H. A. Barker 1927-7-28 836 Sierra Hawley Lake. 2012 Comment
  RSA509434  Mimulus tilingii B. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 869 Sierra Above Ramshorn Campground, on Hwy. 49, ca. 15 miles NE of Camptonville and ca. 5 miles W of Downieville. 823 Comment
  RSA501117  Mimulus torreyi B. Pitzer, S. Morgan, H. M. Soldan 1988-5-28 892 Sierra Convict Flat Picnic Area, North Yuba River, 12 mi. NE of Camptonville on Hwy 49. Comment
  POM297969  Mimulus torreyi J. G. Lemmon 10 Sierra Sierra Valley. [county not specified] Comment
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Jun 16 2012
  CAS-BOT-BC432930  Mitella breweri Roxana S. Ferris 1926-9-7 6843 Sierra Summit of Ebbetts Pass Comment
  SEINET8584742  Mitella breweri W. Harnach 2011-7-20 1250 Sierra South side of the North Fork of the Yuba River approx. 0.25 miles east of the Sierra Nevada Field Campus. 1676 Comment
  JEPS124563 Image available Monardella lanceolata M. R. Kempf 1965-6-29 220 Sierra South facing road bank .3 miles Northeast of Goodyears Bar on HWY 49. Comment
  CAS-BOT-BC221804  Monardella odoratissima G. L. Stebbins 1970-7-25 7076 Sierra Northwest ridge of Mt. Fillmore 1950 Comment
  CAS-BOT-BC221808  Monardella odoratissima D. H. Wilken; E. L. Painter; M. Wetherwax 2007-6-17 16746 Sierra East end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake, Sierra Buttes 1985 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
  CHSC94193  Monardella odoratissima subsp. glauca Lowell Ahart 2006-6-28 12882 Sierra On the south slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1903 Comment
  CHSC83013  Monardella odoratissima subsp. pallida James D. Jokerst 1986-6-19 2649 Sierra Turner property, S end of Sierra Valley, E and adjacent to Hwy. 49 ca. 1 mi NW of junction with Hwy. 89. Knoll 5442 and surrounding forest. 1658 Comment
  RSA748311  Monardella odoratissima subsp. pallida K. M. Meyer, A. Townesmith 2007-7-17 131 Sierra Tahoe National Forest. 1 mile up road toward Lake of the Woods, off road 07. 2191 Comment
  UC63747  Monardella odoratissima subsp. pallida H. M. Hall and E. B. Babcock 1903-7-1 4521 Sierra Near Sierraville; Sierra Nevada Mountains 1524 Comment
  UCD125227  Monardella odoratissima subsp. pallida K. M. Meyer; A. Townesmith 2007-7-17 131 Sierra Tahoe National Forest, 1.0 mile up road toward Lake of the Woods, off road 07. 2191 Comment
  CAS-BOT-BC222130  Monardella odoratissima subsp. pallida Gordon H. True; J. T. Howell 1967-8-19 4023 Sierra Sagehen - Independence Lake Road ca. 4.5 miles north west of Sagehen Creek 2133 Comment
  CDA33303  Monardella odoratissima subsp. pallida Jim Jokerst 1990-7-27 3163 Sierra Balls Ranch Surveys for Jones and Stokes. Burma Summit, 6 miles southeast of Loyalton. Comment
  HSC89396  Monardella odoratissima subsp. pallida L. P. Janeway 1989-7-28 3534 Sierra Slopes between Haskell Peak and Hwy. 89/Sulfur Creek 2180 Comment
  CHSC85303  Monardella sheltonii John Dittes; Josephine Guardino, Lowell Ahart 2003-7-31 2003 -78 Sierra Northern High Sierra Nevada; ca. 6.2 air-miles southwest of Sierra City, ca. 6.4 air-mile southeast of Downieville, ca. 5.4 air-mile northwest of Bowman Lake; slope above Henness Pass Road. 1865 Comment
  RSA795265  Monardella sheltonii L. P. Janeway 2011-9-15 10727 Sierra Northern High Sierra Nevada. Plumas National Forest; south slope of Mt. Etna; along the road to Johnsville (Road 900; Road 22N12X), 8.9 road km east of Quincy-La Porte Road. 1923 Comment
  CHSC66525  Monolepis nuttalliana Lowell Ahart 1996-7-25 7703 Sierra In the corral in French Meadow, south of old Henness Pass Road, about 2 miles west of Webber Lake. 1950 Comment
  UC1191418  Monolepis nuttalliana Malcolm A. Nobs and S. Galen Smith 1949-8-21 1520 Sierra ca. 2 mi. n.w. Loyalton (Harriet Lane); Sierra Valley Comment
  SEINET10733139  Monolepis spathulata John G. Lemmon 1874-1 Lemmon s.n. Sierra Sierra Co., etc. Comment
  CAS-BOT-BC444751  Montia chamissoi Betty J. Jorgensen 1944-6-22 473 Sierra Little Truckee River, 10 miles north of Hobart Mills Comment
  CAS-BOT-BC444752  Montia chamissoi R. K. Gierisch; D. H. Esplin 1969-6-25 3489 Sierra Tahoe National Forest. Saddle Mdw. Comment
  CHSC1373  Montia chamissoi V. Holt 1942-7-20 Sierra Gold Lake. 1950 Comment
  CHSC46730  Montia chamissoi Lowell Ahart 1981-6-23 2872 Sierra Growing on wet rocky soil along the edges of a small stream, on the north side of Johnsville Road, near the base of Mount Etna, about 11 miles north-east of La Porte. 1828 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
  SEINET9140950  Montia chamissoi W. Harnach, N. Harnach 1990-5-13 311 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  SEINET4925040  Montia linearis W. Harnach, N. Harnach 1990-6-6 346 Sierra Sierra Valley, 1/4 miles S of Sattley, Martinetti Ranch 1518 Comment
  UCD84073  Montia linearis Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra County. Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  UCR225224  Montia linearis Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Road, c. 100 m north from the road 1495 Comment
  SEINET11942549  Montia linearis J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. Comment
  SJSU9822  Montia linearis C. W. Sharsmith 1982-5-30 8676 Sierra near Sierraville, Sierra Valley 1524 Comment
  CAS-BOT-BC445129  Montia parvifolia John Thomas Howell; R. C. Barneby 1954-5-13 29538 Sierra Indian Hill 853 Comment
  UCR206329  Montia parvifolia George K. Helmkamp, E. A. Helmkamp 2009-5-28 14859 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  UCR230992  Montia parvifolia George K. Helmkamp, E. A. Helmkamp 2011-6-9 17537 Sierra Northern Sierra Nevada Mountains Foothills, 5.9 miles north of Camptonville along CA-49, about 1.2 miles northeast of the Yuba Co. line 899 Comment
  CAS-BOT-BC267038  Muhlenbergia filiformis Beecher Crampton 1957-7-24 4405 Sierra Sierra Valley, 3 miles NE of Sattley Comment
  CHSC69980  Muhlenbergia filiformis L. P. Janeway; Eric Schroder 1997-8-14 5332 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. 2042 Comment
  CAS-BOT-BC275169  Muhlenbergia richardsonis Catherine Best 1982-7-10 715 Sierra Near the Little Truckee River about 15 miles NW of Truckee Comment
  UC333347  Muilla transmontana unknown Sierra Gold Lake Comment
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May 19 2012
  SD9593  Myriopteris gracillima J. G. Lemmon Jul 1880 Sierra Mountains around Webber Lake 2440 Comment
  SEINET8584730  Nama lobbii W. Harnach 2015-7-1 1423 Sierra 1.25 miles from Henness Pass Road on FS Road 98 to Harris Meadows. 1737 Comment
  POM65499  Nama lobbii H. M. Hall, E. B. Babcock 1903-07 4490 Sierra Sardine Lake. 1829 Comment
  UC179059  Nama lobbii J. G. Lemmon 1875-1 Sierra Comment
  JEPS70245  Navarretia breweri John Gill Lemmon Jul 1883 Sierra Sierra Valley Comment
  CHSC54579  Navarretia capillaris Lowell Ahart 1991-7-22 6676 Sierra Along a stream in French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  CHSC73423  Navarretia capillaris B. Castro; L. Gehrung, H. Durio 1995-9-14 633 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. 2087 Comment
  UCD84216  Navarretia intertexta subsp. intertexta 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
  UC965527  Navarretia intertexta subsp. propinqua Herbert L. Mason 1952-7-19 14443 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth road); Sierra Valley 1524 Comment
  UC965525  Navarretia intertexta subsp. propinqua Herbert L. Mason 1952-7-17 14377 Sierra between Sierraville and Loyalton; Sierra Nevada, Sierra Valley 1524 Comment
  SBBG5882  Navarretia leptalea H. and M. Dearing 1939-7-4 3829 Sierra Gold Lake Comment
  POM65201  Navarretia leptalea H. M. Hall, E. B. Babcock 1903-07 4470 Sierra Sierra Valley. 1524 Comment
  RSA516345  Navarretia leptalea Barbara Ertter, Tahoe Chapter CNPS 1987-6-27 7215 Sierra Kyburz Flat ca 12 air miles N of Truckee, head of Little Truckee River; ca. 1.5 miles E of Highway 89 on Tahoe National Forest Road S450. 1921 Comment
  SEINET14151852  Navarretia leptalea subsp. bicolor W. Harnach, N. Harnach 1989-6-27 183 Sierra Sierra Valley, Calpine Ranch (home). 1506 Comment
  CAS-BOT-BC230036  Navarretia leucocephala subsp. minima Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road 1495 Comment
  UC1124122  Navarretia leucocephala subsp. minima H. S. Yates 1935-6-29 5267 Sierra 5.25 mi nne Sattley; Sierraville Quad. 1493 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
  SJSU15107  Navarretia leucocephala subsp. minima N. A. Hopkins 1992-7-21 1716 Sierra Knudson Meadow N of Carman Cr Comment
  SEINET14152035  Navarretia linearifolia subsp. linearifolia P. B. Kennedy 1903-6-27 793 Sierra Dog Valley, near Verdi Comment
  CAS-BOT-BC219372  Nemophila W. Harnach; N. Harnach 1989-4-15 024 Sierra Sierra Valley. County line on road A-23 1524 Comment
  CHSC115185  Nemophila heterophylla Lowell Ahart 2015-5-9 20166 Sierra On the north side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  RSA0106561  Nemophila heterophylla Lowell Ahart 2015-5-9 20166 Sierra North side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 717 Comment
  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
  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
  JEPS111244  Nothocalais troximoides Steve Matson 2005-6-18 1285 Sierra Dog Valley, Toiyabe NF, ca 4 miles northwest of Verdi, NV; just east of old Dog Valley Ranger Station. 1767 Comment
  JEPS31526  Oenothera flava subsp. flava J. G. Lemmon 1889-5-20 Sierra Sierra Valley Comment
  SEINET5345425  Oenothera flava subsp. flava W. Harnach, N. Harnach 1991-6-13 542 Sierra Sierra Valley, W of Sierraville, on edge of Hwy 49 1506 Comment
  CAS-BOT-BC355581  Oreostemma alpigenum var. andersonii W. Harnach; N. Harnach 1990-8-17 515 Sierra Sierra Valley. Strang Ranch (Elvers back 80) 1524 Comment
  CAS-BOT-BC355582  Oreostemma alpigenum var. andersonii L. P. Janeway 1991-9-23 4143 Sierra Plumas National Forest, Beckwourth Ranger District. Near head of a tributary of Sulphur Creek, 1/4 mi east of Chapman Saddle and 2 mi east-southeast of Haskell Peak 2042 Comment
  CAS-BOT-BC355584  Oreostemma alpigenum var. andersonii L. P. Janeway 1992-8-26 4292 Sierra Plumas National Forest, Beckwourth Ranger District. 1.1 mi northeast of Haskell Peak, 1 mi southeast of Haskell Ravine, 0.9 mi northwest of Chapman Saddle 2148 Comment
  JEPS118128  Oreostemma alpigenum var. andersonii Dean W. Taylor 2009-8-4 20730 Sierra headwaters of Deer Creek, tributary to Yuba River at Bassetts (Yuba Pass region) 2087 Comment
  CAS-BOT-BC500186  Orobanche fasciculata W. Harnach; N. Harnach 1989-6-21 161 Sierra Sierra Valley: old box mill site to west of home 1505 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
  UCR249150  Orobanche uniflora George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20757 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CHSC66526  Orthilia secunda Lowell Ahart 1996-7-25 7693 Sierra Open forest, south of the old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  CHSC85027  Orthilia secunda John Dittes; Lowell Ahart 2003-9-28 840 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. 2206 Comment
  JEPS88082  Orthilia secunda Lowell Ahart 1996-7-25 7693 Sierra about 2 mi w of Webber Lake (s of the old Henness Pass Road, just w of French Meadow) 1950 Comment
  CAS-BOT-BC458068  Orthilia secunda H. Albert Barker 1928-7-4 36 Sierra Packer Lake 1981 Comment
  CAS-BOT-BC458071  Orthilia secunda Lowell Ahart 1976-10-11 s.n. Sierra Mt. Fillmore 2133 Comment
  RSA459017  Osmorhiza berteroi J. G. Lemmon 1883-1 s.n. Sierra [Unspecified] Comment
  UCR206320  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2009-5-28 14863 Sierra Sierra Nevada Mountains Foothills, above the Yuba River along CA-49, 2.3 miles north of the Yuba Co. line 851 Comment
  SEINET11133212  Osmorhiza occidentalis P. A. Lehenbauer 1937-6-8 92 Sierra On Truckee river, at Iceland, 25 miles W of Reno. 1676 Comment
  SEINET11141867  Osmorhiza occidentalis S. B. Doten 1901-7-1 s.n. Sierra Webber Lake. Comment
  CHSC84985  Oxypolis occidentalis Lowell Ahart 2003-10-11 10626 Sierra Meadow, about 200 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. 1371 Comment
  JEPS98958  Oxypolis occidentalis Lowell Ahart 2001-9-28 9295 Sierra On the east side of the large meadow, east of the old homestead, about 1 1/4 miles north of Scales, about 2 miles (air) southeast of Poverty Hill (town). 1524 Comment
  CAS-BOT-BC316808  Packera cana Lowell Ahart 1977-8-2 s.n. Sierra Ridge on west side of Mt. Fillmore, about 12 miles NE of La Porte 2400 Comment
  CHSC44888  Packera cana Lowell Ahart 1977-8-2 1522 Sierra On an open ridge, on the west side of Mount Fillmore, near the summit, about 12 air miles north-east of La Porte. 2194 Comment
  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-BC317148  Packera streptanthifolia L. S. Smith 1928-7-22 2497 Sierra Tahoe National Forest, Webber lake 2042 Comment
  UC176511  Packera streptanthifolia A. A. Heller and P. B. Kennedy 1907-7-1 8665 Sierra Purdy Comment
  UC53868  Packera streptanthifolia H. M. Hall and E. B. Babcock July 1903 4473 Sierra Sierraville Sierra Nevada Mountains, Sierraville 1524 Comment
  CAS-BOT-BC317130  Packera streptanthifolia var. streptanthifolia Amos Arthur Heller; P. B. Kennedy 1907-7-1 8665 Sierra Purdy Comment
  CAS-BOT-BC334343  Packera streptanthifolia var. streptanthifolia A. A. Heller; P. B. Kennedy 1907-7-1 8665 Sierra Purdy Comment
  JEPS25523  Paeonia brownii Rimo Bacigalupi with Lincoln Constance 1959-6-15 7134 Sierra along road to Loyalton 5 mi n Sierraville (at base of hills bordering e edge of Valley); Sierra Valley Comment
  UCR257737  Paeonia brownii George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19463 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
  RSA8022  Paeonia brownii H. A. Barker 1927-6-24 735 Sierra Packer Lake. 1982 Comment
  UC1101584  Panicum capillare Malcolm A. Nobs, S. Galen Smith 1949-8-21 1521 Sierra Island School , Island School (Sierra Valley) Comment
  SEINET10833263  Parrya menziesii John T. Middleton 1938-6-18 Middleton s.n. Sierra Open dry rocky flat; .75 mi. N. Of sonora pass sierra nevada california. Comment
  SEINET13754339  Pedicularis attollens B. Hildebrand 1946-6-15 58 Sierra Two miles west of Calpine 1524 Comment
  JEPS10736  Pedicularis groenlandica W. L. Jepson 1934-8-3 16843 Sierra 2 mi e of Bassett Station (Pioneer Road Station, on the North Fork of the North Fork Yuba River); North Fork Yuba River 1706 Comment
  SD129537  Pedicularis groenlandica B. Pitzer, S. Morgan, H. Soldan 1988-5-28 975 Sierra Tahoe National Forest, Yuba Pass, on Hwy 49. 2042 Comment
  SEINET13752101  Pedicularis groenlandica P. B. Kennedy, S. B. Doten 1901-7-5 95 Sierra Webber Lake Comment
  UCD123363  Pedicularis groenlandica F. A. MacFadden 1934-6-29 s.n. Sierra Little Truckee River, 13 miles from Truckee on Reno Rd. via Hobart Mills. Comment
  JEPS16449  Pedicularis racemosa unknown 1880-1 Sierra Webber Lake; Pacific Coast Comment
  OBI51837  Pedicularis racemosa Unknown 1990-8-14 4438 Sierra E side of forest Rd 20N35, ca 0.5 mi (air) NE of Scales 1311 Comment
  SEINET8584717  Pedicularis racemosa W. Harnach 2013-7-27 1379 Sierra 3.25 miles south of the Jackson Meadows Road on the Meadow Lake Road (south of Webber Lake) 2167 Comment
  HSC103191  Pedicularis semibarbata Jade Paget-Seekins 2010-7-16 47 Sierra On the border of Tahoe and Plumas National Forests near Haskell Peak and Forest Route 28. 2239 Comment
  CHSC110874  Pellaea brachyptera Tim Hanson 2013-9-16 8 Sierra Northern High Sierra Nevada. On the southeast side of Sawmill Ridge approximately 2.1 air km north of Howland Flat and 200 m southwest of Road 800. 1750 Comment
  UCD40247  Pellaea brachyptera Rodney Gale Myatt 1972-6-1 1565 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  CHSC63107  Pellaea bridgesii Lowell Ahart 1994-7-1 7439 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
  SEINET10568063  Pellaea bridgesii Francis P. Daniels 1874-1 Daniels UMO 31181 Sierra Webber Lake, CA. Comment
  UC336679  Pellaea bridgesii unknown Aug 1880 Sierra Webber Lake Comment
  NY571206  Penstemon azureus var. azureus J. G. Lemmon 1874-1 155 Sierra Comment
  UCSB16092  Penstemon deustus Breedlove, Dennis 1962-6-13 Sierra Along State Highway 89; 3 miles south of Sierraville 1767 Comment
  UC1012226  Penstemon deustus var. deustus Francis W. Pennell Jun 12 1940-Jun 13 1940 25836 Sierra Route 89, 1 mi above Sierraville; above Sierraville 1554 Comment
  SEINET5326686 Image available Penstemon deustus var. pedicellatus W. Harnach, N. Harnach 1991-6-24 579 Sierra Antelope Valley 1707 Comment
  UCR257798  Penstemon deustus var. pedicellatus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19506 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  SEINET5326654 Image available Penstemon deustus var. pedicellatus S. B. Doten 1901-6-20 52 -a Sierra Near Little Truckee River Comment
  CHSC52960  Penstemon gracilentus L. P. Janeway 1989-7-28 3535 Sierra Plumas National Forest, Beckwourth Ranger District. NE-facing slopes of Haskell Pk overlooking hwy89 and Sulphur Cr. 2179 Comment
  JEPS9282  Penstemon gracilentus Rimo Bacigalupi with Aldo Bacigalupi 1952-8-19 3947 Sierra along Calif Hwy 49, 1/4 mi e of summit Yuba Pass; e of summit Yuba Pass 1950 Comment
  SBBG7149  Penstemon gracilentus H. and M. Dearing 1939-7-4 3828 Sierra Gold Lake Comment
  SEINET5328214 Image available Penstemon gracilentus W. Harnach, N. Harnach 2000-7-9 953 Sierra Sierra Valley. Approx. 1/2 mi N of Coburn Lake at the end of access road 2188 Comment
  UC1063168  Penstemon gracilentus G. T. Nordstrom 1936-7-9 925 Sierra 2 mi nw Dog Valley; Tahoe National Forest,Sierraville Quad., nw of Dog Valley Comment
  UC65848  Penstemon gracilentus P. B. Kennedy and S. B. Doten 1901-7-8 135 Sierra Webber Lake Comment
  NY600711  Penstemon gracilentus F. W. Pennell 1940-6-12 25850 Sierra Route 89, along Gold Creek, south of Sierraville 1676.4 Comment
  NY600737  Penstemon gracilentus C. Best 1983-8-29 868 Sierra Growing on the road above Packers Lake 1950.7 Comment
  NY600742  Penstemon gracilentus A. R. Kruckeberg 1954-8-2 3693 Sierra 1.5 miles below and northeast of Sierra Buttes, on trail to Packer Lake. Tahoe National Forest. 2286.0 Comment
  RSA135980  Penstemon gracilentus Arthur R. Kruckeberg 1954-8-1 3663 Sierra Along Hwy 49, 3 miles E of Yuba Pass. Taho Nat. Forest. Comment
  RSA21702  Penstemon gracilentus Carl B. Wolf 1937-8-6 9062 Sierra Northern Sierra Nevada, 1/2 mile NE of Gold Lake 1921 Comment
  SFV10994  Penstemon gracilentus J. Turner, F. M. Ball (1200) 1962-7-13 Sierra Sierra Nevada Highway 89, 9 miles south of Sierraville. 1905 Comment
  UC886900  Penstemon gracilentus Lewis S. Rose 1934-7-1 34299 Sierra nw Gold Lake; nw of Gold Lake 2103 Comment
  UCD124175  Penstemon gracilentus Gerald Dickinson 1964-7-9 s.n. Sierra ca. 1 mile east of Yube Pass summit, State Highway 49. Comment
  CAS-BOT-BC239326  Penstemon newberryi var. berryi W. R. Dudley 1894-8-30 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC239329  Penstemon newberryi var. berryi George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  UC335589  Penstemon newberryi var. newberryi J. G. Lemmon 1889-6-6 Sierra Gold Lake Comment
  SEINET5329217 Image available Penstemon newberryi var. newberryi P. B. Kennedy, Samuel Bradford Doten 1901-7-10 141 Sierra Canyon below Webber Falls Comment
  UC174783  Penstemon newberryi var. newberryi J. G. Lemmon 1874-1 Sierra Comment
  CAS-BOT-BC383099  Penstemon patens Andrew Townesmith; Karen M. Meyer 2007-7-18 829 Sierra Tahoe National Forest, Sierraville Ranger District. 2.1 miles N of Forest Service road 07 on Forest Service road 07-40 2291 Comment
  SEINET10744650  Penstemon patens Andrew Townesmith, Karen M. Meyer 2007-7-18 Townesmith 829 Sierra Tahoe National Forest, Sierraville Ranger District. 2.1 miles N of Forest Service road 07 on Forest Service road 07-40. T19N R14E, at edge of sections 15 and 22. 2291 Comment
  CHSC49032  Penstemon roezlii Vernon Oswald 1984-6-25 1316 Sierra La Porte- Quincy Rd., about 7.6 mi n-e of La Porte. 1828 Comment
  POM181615  Penstemon roezlii J. G. Lemmon 1874-09 s.n. Sierra Downieville Buttes. Comment
  CHSC64671  Penstemon rydbergii var. oreocharis H. H. Schmidt; M. Merello, L. Woodruff 1993-6-13 849 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. [Original lat./long. on label is 'Latitude: 39 Deg., 35', 75' N. Longitude: 120 Deg., 23', 75' W']. 1650 Comment
  NY651268  Penstemon rydbergii var. oreocharis F. W. Pennell 1940-6-12 25832 Sierra Route 89, north of Sattley 1493.5 Comment
  NY651336  Penstemon rydbergii var. oreocharis D. D. Keck 1944-7-8 5416 Sierra Sierra Valley, 1.5 miles north of Sattley, on Feather River road 1524.0 Comment
  UCSB27037  Penstemon rydbergii var. oreocharis Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of State Highway 49, on road to Graeagle, Sierra Buttes, Sierra Nevada 1981 Comment
  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
  UC495584  Penstemon speciosus Merle Randall 1930-6-26 Sierra Falls, Hawley Grade Lake Tahoe Region Comment
  UC696819  Penstemon speciosus David D. Keck 1928-6-13 431 Sierra se Sierraville (s side of Sardine Point, along Lemmon Canyon road); Sierra Nevada, Sardine Point, se of Sierraville 1889 Comment
  RSA185399  Penstemon speciosus Clare B. Hardham 1961-6-15 7390 -C Sierra Yuba Pass. Comment
  RSA7947  Penstemon speciosus H. A. Barker 1927-7-6 793 Sierra Gold Lake 1982 Comment
  SJSU12062  Penstemon speciosus N. A. Hopkins 1973-6-15 540 Sierra Chapman Saddle Rd c. 3 mi E of Gold L 2133 Comment
  SEINET11153134  Perideridia bolanderi subsp. bolanderi W. Harnach, N. Harnach 1989-6-4 127 Sierra Sierra Valley, E of Calpine, Calpine Ranch (home). 1506 Comment
  UC1312884  Perideridia bolanderi subsp. bolanderi Lincoln Constance and Tsan-Iang Chuang 1967-6-22 3780 Sierra 2 mi nw Sattley 1524 Comment
  SFV8547  Perideridia gairdneri E. E. Grissell 1971-7-24 s. n. Sierra Sierra Nevada 6 miles north of Sattley. 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
  SEINET11153904  Perideridia gairdneri subsp. borealis S. B. Doten 1901-7-1 s.n. Sierra Webber Lake. Comment
  CAS-BOT-BC222711  Perideridia gairdneri subsp. gairdneri L. S. Smith 1932-8-9 2722 A Sierra Tahoe National Forest. Church Mdws 2133 Comment
  UCR572  Perideridia kelloggii Frank C. Vasek 1955-6-26 276 Sierra Sierra Nevada Mtns., Hwy 89, 15 mi. north of Truckee, Tahoe National Forest 2000 Comment
  UCR257794  Perideridia lemmonii George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19453 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
  JEPS12304  Perideridia lemmonii W. L. Jepson 1918-8-17 8041 Sierra Sierra Valley 1524 Comment
  CAS-BOT-BC222768  Perideridia parishii John Thomas Howell 1969-9-13 46119 Sierra Little Truckee River near outlet of Webber Lake 2042 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
  POM203498  Perideridia parishii subsp. latifolia L. S. Rose 1934-7-19 34386 Sierra Gold Lake 1951 Comment
  UC1389961  Perideridia parishii subsp. latifolia T. I. Chuang, L. Constance, R. S. Mitchell, and R. Schlising 1965-9-8 6029 Sierra Webber Lake Comment
  RSA237305  Phacelia hastata subsp. hastata Frederick W. Oettinger 1967-6-28 137 Sierra Along Salmon river near Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  UCR262442  Phacelia hastata var. hastata George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20798 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  SJSU12207  Phacelia heterophylla subsp. virgata N. A. Hopkins 1983-6-15 1142 Sierra Long Valley Rd c. 2 mi W of Bordertown 1767 Comment
  UC1586490  Phacelia humilis Lowell Ahart 1991-7-22 6695 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nnw of Webber Lake); French Meadow 2133 Comment
  UC354490  Phacelia humilis David D. Keck 1928-6-13 432 Sierra se Sierraville (along Lemmon Canyon road, s side of point); Sardine POint 579 Comment
  PASA1336  Phacelia humilis Margaret Stason 1932-6-21 Sierra hobart mills Comment
  SJSU12238  Phacelia humilis N. A. Hopkins 1982-7-27 1098 Sierra c. 0.5 mi S of Babbitt Peak fire lookout station, Bald Mt Range 2621 Comment
  CHSC67231  Phacelia humilis var. humilis James D. Jokerst 1990-7-27 3176 Sierra Summit of Bald Mtn. Range near its center. 2621 Comment
  RSA0042527  Phacelia humilis var. humilis James R. Shevock, Barbara Ertter 1986-6-1 11530 Sierra Northern Sierra Nevada: Toiyabe National Forest. Dog Valley, 6.8 miles west of Verdi and near the Forest Service Guard Station. 1800 Comment
  RSA112799  Phacelia humilis var. humilis H. D. Ripley, R. C. Barneby 1942-5-22 4533 Sierra Sierraville 1707 Comment
  NY1055111  Phacelia ivesiana J. G. Lemmon 1874-1 s.n. Sierra Comment
  CDA11836  Phacelia linearis G. F. Hrusa, E. Sandoval 1993-5-3 11149 Sierra Antelope Valley, Sierra Valley. Comment
  CHSC79518  Phacelia linearis G. F. Hrusa; E. Sandoval 1993-5-30 11149 Sierra Sierra Valley Region. [Original lat./long. on label is '39 39 N; 120 16 W']. 1650 Comment
  SEINET10880608  Phacelia mutabilis Andrew Townesmith, Karen M. Meyer 2007-7-18 Townesmith 826 Sierra Tahoe National Forest, Sierraville Ranger District. Along Forest Service road 07-30, 0.2 mile west of junction with road 07. T19N R14E, at edge of sections 23 and 26. 1994 Comment
  CAS-BOT-BC133856  Phacelia mutabilis W. Harnach; N. Harnach 1990-6-30 452 Sierra Sierra Valley 2042 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
  SJSU11218  Phacelia mutabilis H. L. Buckalew 1964-7-16 Sierra Yuba Pass, Hwy 49 2042 Comment
  UC66017  Phacelia procera P. B. Kennedy and S. B. Doten 1901-7-23 207 Sierra Lincoln Valley Comment
  CHSC67115  Phacelia ramosissima var. eremophila James D. Jokerst 1990-7-27 3160 Sierra Burma Summit, 6 mi SE of Loyalton. 2468 Comment
  SEINET10743328  Phacelia ramosissima var. ramosissima Andrew Townesmith, Karen M. Meyer 2007-7-18 Townesmith 827 Sierra Tahoe National Forest, Sierraville Ranger District. Along Forest Service road 07-30, 0.2 mile west of junction with road 07. T19N R14E, at edge of sections 23 and 26. 1994 Comment
  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
  UC1569618  Phacelia vallicola Frederica Bowcutt 1985-8-5 649 Sierra off of Hwy 49 2 mi ne Lavezzola Ranch (about 7.5 air mi ne of Downieville, along established Forest Service trail); Tahoe National Forest, Downieville 15' Quad., Lavezzola Cree 1389 Comment
  JEPS124770 Image available Philadelphus J. Yamanaka 1965-6-29 35 Sierra 2.9 miles E. of Goodyear Bar, Downieville Highway 49. Comment
  HSC20266  Philadelphus californicus L. S. Rose 1969-6-25 69057 Sierra 5 mi. E of Indian Valley, N Fork of Yuba River 1220 Comment
  CAS-BOT-BC72712  Philadelphus lewisii Gordon H. True 1966-4-28 2767 Sierra South Yuba River at head of Excelsior Ditch about 1 1/2 miles east of Highway 49 bridge 487 Comment
  CAS-BOT-BC72713  Philadelphus lewisii Dr. W. B. Stephens 1922-1-1 s.n. Sierra Downieville Comment
  JEPS78108  Philadelphus lewisii Gary W. Zamzow 1972-6-27 29 Sierra along Hwy 49 2 mi e Downieville (on n side of road) 914 Comment
  OBI13970  Philadelphus lewisii subsp. californicus Carl B. Wolf 1937-8-6 9045 Sierra Northern Sierra Nevada, N fork of Yuba River, 2.5 mi above Downieville 975 Comment
  SD50713  Philadelphus lewisii var. californicus D. F. Howe 1959-8-2 2775 Sierra 15.5 miles W of Downieville 914 Comment
  CHSC66832  Phleum alpinum Vernon H. Oswald; Lowell Ahart 1996-8-19 8208 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) at Long Valley Creek, 1.3 mi S of the road to Bassetts. Meadow along the creek. 2225 Comment
  UC1586504  Phleum alpinum Lowell Ahart 1991-7-22 6693 Sierra about 3 mi nw Webber Lake (about 1/4 mi s of Henness Pass Road); French Meadow 2133 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
  CHSC64330  Phlox hoodii subsp. canescens H. H Schmidt; L. Woodruff 1993-6-12 844 Sierra Tahoe National Forest. Road to Weber Lake. 3.2 miles W of state highway 89. 1950 Comment
  JEPS70012  Phlox stansburyi J. G. Lemmon Aug 1875 195 Sierra Sierra Valley Comment
  SJSU4141  Phoenicaulis cheiranthoides C. W. Sharsmith & W. Savage 1967-5-21 7534 Sierra 2.5 mi NE of Sierraville, Sierra Valley 1524 Comment
  SEINET10325015  Phoradendron juniperinum W. Harnach, N. Harnach 2002-5-27 1064 Sierra 8 miles S of the intersection of Hwy 49 and Smithneck Road (Loyalton) and 0.9 mile E on Badnaugh Road. Comment
  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
  JEPS94412  Phoradendron libocedri Vernon Oswald and Lowell Ahart 1997-8-19 8824 Sierra 6.3 mi s of Goodyears Bar (Mountain House Road (County Road 300) just s of its junction with Henness Pass Road (County Road 293), boundary between Sections 19 & 20); Mountain House Road 1389 Comment
  CAS-BOT-BC58241  Phyllodoce breweri Elmer I. Applegate 1921-9-7 4353 Sierra Gold Lake. 2133 Comment
  UC1121041  Phyllodoce breweri A. Lewis 1934-6-15 483 B Sierra Plumas National Forest, Fillmore Peak Fillmore Peak; Plumas National Forest, Fillmore Peak 2164 Comment
  JEPS124080  Physocarpus capitatus Lowell Ahart 2015-5-9 20185 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  UC965488  Pilularia americana Herbert L. Mason 1952-7-19 14449 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth rd.); Sierra Nevada, Sierra Valley 1524 Comment
  MACF021046  Pinus contorta Trudy R. Ericson 1976-7-3 574 Sierra Approx. 2 miles northeast of Babbitt Peak Lookout Station, Tahoe National Forest 2669 Comment
  CAS-BOT-BC78485  Pinus contorta subsp. murrayana William R. Dudley 1894-9-1 s.n. Sierra Outlet [Lake-of-the-Woods] Lake of the Woods Comment
  CAS-BOT-BC78707  Pinus jeffreyi Roxana S. Ferris 1926-9-7 6839 Sierra 9 miles from Markleville on Ebbett Pass Road Comment
  RSA6655  Pinus jeffreyi T. Atkinson, Rutter 1899-9-17 s.n. Sierra Sierraville. 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
  POM181973  Pinus lambertiana J. G. Lemmon 1875-5-3 1875 Sierra Mt. Hermosa, above Sierra Valley Comment
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Mar 6 2011
  UC336034  Pinus lambertiana unknown 1876-6-1 Sierra Sierra Valley Comment
  NY61943  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
  MACF019593  Pinus washoensis Trudy R. Ericson 1975-9-15 384 Sierra Babbitt Peak, Tahoe National Forest, near Forest Service Lookout Station 2669 Comment
  MACF021053  Pinus washoensis Trudy R. Ericson 1976-7-3 576 Sierra Approx. 2 mi. northeast of Babbitt Peak Lookout Station, Tahoe Nation Forest 2669 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
  SEINET5323934  Pinus washoensis D. A. Charlet 1996-7-25 2305 Sierra Sierra Nevada Bald Mountain Range; ridge NE of Babbitt Peak. 2530 Comment
  UC1562437  Piperia unalascensis Lowell Ahart 1990-6-29 6530 Sierra s of Gold Run Creek (w of Poverty Hill (Poverty Hill Hydraulic Mine)) 1524 Comment
  CHSC69634  Plagiobothrys cognatus 1986-4-4 Sierra Turner Creek Hydro Project, W and adjacent to Hwy. 49 ca. 0.2 mi N of junction with Hwy. 89. Meadow along Turner Creek. Comment
  CHSC80935  Plagiobothrys cusickii Lowell Ahart 2001-8-10 9083 Sierra On the west side of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  UCR242990  Plagiobothrys cusickii Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Road, c. 100 m north from the road 1495 Comment
  UC66409  Plagiobothrys hispidulus P. B. Kennedy and S. B. Doten 1901-7-8 117 Sierra near Webber Lake Comment
  SEINET10497617  Plagiobothrys hispidulus Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4483 Sierra Near a dirt road that is ca. 2 mi se of Jackson Meadow Reservoir, ca. 1 mi s of Pass Creek, near Jackson Meadow Reservoir. Red Fir Forest; 2200 m. 2200 Comment
  JEPS78248  Plagiobothrys mollis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-20 4900 Sierra about 3 mi (air) ne Calpine (s of Beckwourth, Sierra Valley); Sierra Valley 1463 Comment
  UCR242991  Plagiobothrys mollis var. mollis Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Road, c. 100 m north from the road 1495 Comment
  UC1063803  Plagiobothrys reticulatus H. S. Yates 1935-6-28 5272 Sierra 5 1/4 mi nne Sattley; Sierraville Quad. Comment
  UC573630  Plagiobothrys reticulatus H. S. Yates 1935-6-28 5272 Sierra 5 1/4 mi ne Sattley; Sierraville Quad. 1493 Comment
  JEPS68159  Plagiobothrys torreyi W. I. Follett 1937-6-18 83 Sierra 3.7 mi w Calpine (head of creek); Little Valley, Mohawk Creek 1645 Comment
  SCFS2392  Plantago lanceolata N. Rechen 1964-6-25 67 Sierra 3 mi E of Goodyear's Bar on Hwy 49 914 Comment
  SEINET6167913  Platanthera dilatata var. leucostachys W. Harnach, N. Harnach 1989-1 Sierra Comment
  SEINET6167928  Platanthera dilatata var. leucostachys P. B. Kennedy 1901-1 Sierra Comment
  RSA0094635  Platanthera leucostachys George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19504 Sierra Northern Sierra Nevada Mountains. Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir. Sagebrush area between coniferous forest and the Little Truckee River. 1770 Comment
  RSA176562  Platanthera leucostachys Peter H. Raven 1964-6-30 19611 Sierra Along the canyon of the North Fork of the Yuba River, 4.6 miles east of Downieville on State Highway 49 Comment
  JEPS64459  Platanthera sparsiflora A. Ames Jul 1913 16 Sierra Yuba Pass Comment
  JEPS125796  Plectritis macrocera William Harnach 2000-5-5 882 Sierra Newman Point (Rice on topo maps), approximately 5 miles northeast of Sierraville , CA on Highway 49. Comment
  UCD22399  Pleiacanthus spinosus Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1331 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
  SJSU11086  Pleuricospora fimbriolata R. L. Fisher 1959-6-26 Sierra Yuba Gap, Hwy 49 1676 Comment
  CAS-BOT-BC261028  Poa W. Harnach; N. Harnach 1989-5-18 099 Sierra Calpine Ranch (home), Sierra Valley 1505 Comment
  SEINET10590130  Poa Patrick B. Kennedy 1929-7-20 Kennedy s.n. Sierra Salmon Lakes above Lusk's meadow. 2042 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
  CAS-BOT-BC254984  Poa bulbosa W. Harnach; N. Harnach 1989-4-23 044 Sierra E slope Sattley Hill 1520 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
  CAS-BOT-BC255146  Poa cusickii subsp. epilis R. K. Gierisch; D. H. Esplin 1969-6-25 3484 Sierra Tahoe Forest Comment
  JEPS110254  Poa cusickii subsp. epilis Lowell Ahart 2006-6-28 12877 Sierra On the west slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1880 Comment
  CAS-BOT-BC246632  Poa howellii B. Crampton 1954-5-10 1848 Sierra Canyon on south slope of the North Yuba River, along State Hwy. 49, 5 miles northeast of Camptonville Comment
  UCR151596  Poa howellii Beecher Crampton 1954-5-10 1848 Sierra Along State Hwy 49, 5 mi NE of Camptonville 687 Comment
  SEINET10660405  Poa lemmonii John G. Lemmon 1875-1 Lemmon 3 Sierra Nevada Mts. Comment
  CAS-BOT-BC255925  Poa palustris R. K. Gierisch; D. H. Esplin 1969-6-25 3491 Sierra Saddle Meadow, Tahoe Forest 1950 Comment
  CAS-BOT-BC255926  Poa palustris Gordon H. True; Barbara Trowbridge 1977-7-25 8361 Sierra Stampede Reservoir, ca. 6 miles north of Boca (Nevada County) on Little Truckee River, north of Nevada County line, Independence Lake Watershed 1802 Comment
  CAS-BOT-BC255927  Poa palustris John Thomas Howell 1969-9-13 46113 Sierra Little Truckee River near outlet of Webber Lake, Sierra Nevada 2042 Comment
  CAS-BOT-BC247429  Poa pratensis Catherine Best 1980-6-12 s.n. Sierra Herringtons, Sierra City Comment
  UCD91872  Poa pratensis Beecher Crampton 1954-5-11 1892 Sierra Sierra Valley, Sierraville. 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-BC247063  Poa secunda subsp. juncifolia Catherine Best 1980-6-13 s.n. Sierra Road to Sardine Lake Comment
  CAS-BOT-BC247082  Poa secunda subsp. juncifolia Catherine Best 1984-6-18 989 Sierra Near the Little Truckee River about two miles north of the Nevada Co. Sierra Co. line Comment
  UCD92237  Poa secunda subsp. juncifolia Beecher Crampton 1957-7-24 4408 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  SEINET7852348  Poa secunda subsp. juncifolia K. R. Genz 1979-5-23 9119 Sierra Turning south at forest boundary and Long Valley Road, travel Mitchell Canyon Road for 2.3 miles. 1817 Comment
  SEINET7856234  Poa secunda subsp. juncifolia P. B. Kennedy, S. B. Doten 1901-7-18 182 Sierra Mt. Lola Comment
  SEINET7859330  Poa secunda subsp. juncifolia P. A. Lehenbauer 1937-6-8 87 Sierra 25 miles West of Reno, Nevada on Truckee river, at Iceland, South side of river by falls 1676 Comment
  SEINET7859338  Poa secunda subsp. juncifolia P. A. Lehenbauer 1937-6-8 88 Sierra 25 miles West of Reno, Nevada on Truckee river, at Iceland, South side of river by falls 1676 Comment
  CAS-BOT-BC243210  Poa secunda subsp. secunda Javier Penalosa 1962-6-20 2557 Sierra Ridge W of Little Truckee River at Highway 89 1935 Comment
  CAS-BOT-BC243213  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
  CHSC44586  Poa secunda subsp. secunda Lowell Ahart 1978-9-26 1810 Sierra Cliff that is found along the stream that drains the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1950 Comment
  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
  JEPS70658  Poa secunda subsp. secunda Leland S. Smith 1926-4-13 1773 Sierra Alleghany Rd, above crossing Alleghany Rd; Tahoe Forest 609 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
  UC718014  Poa secunda subsp. secunda David D. Keck 1944-7-8 5408 Sierra 1.5 mi s Sattley (on Feather River Rd); Sierra Nevada, Sierra Valley 1524 Comment
  SEINET7862749  Poa secunda subsp. secunda P. A. Lehenbauer 1937-6-8 88 Sierra 25 miles West of Reno, Nevada on Truckee river, at Iceland, S side of river by falls. 1676 Comment
  SEINET7875854  Poa wheeleri P. A. Lehenbauer 1937-6-8 76 Sierra 25 mi. W of Reno, NV, on Truckee River at Iceland. 1676 Comment
  CAS-BOT-BC232868  Polemonium W. R. Dudley 1894-8-1 s.n. Sierra Woods near Webber Lake Comment
  CAS-BOT-BC277753  Polemonium californicum Mona Bourell 1986-7-4 1819 Sierra Jackson Reservoir Rd., mile from Junction w/ Hwy 89. Toward Webber Lake Comment
  POM365431  Polemonium californicum Robert Gustafson 1985-6-11 3150 Sierra Forest Service Road 12, ca 5 miles S from the junction of highway 49, Yuba Pass summit area. 2134 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
  SJSU15109  Polygonum argyrocoleon N. A. Hopkins 1992-7-21 1712 Sierra Knudson Meadow N of Carman Cr Comment
  CAS-BOT-BC413947  Polygonum aviculare subsp. aviculare W. Harnach; N. Harnach 1990-7-29 480 Sierra Sierra Valley. Approx. 1/4 mile south of the Plumas-Sierra Co. line on co. rd. A-23 1502 Comment
  UCD84213  Polygonum aviculare subsp. depressum 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
  UC1586499  Polygonum bistortoides Lowell Ahart 1991-7-22 6677 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  JEPS51303  Polygonum douglasii J. G. Lemmon 1872-2 Sierra Sierra Valley Comment
  RSA716315  Polygonum douglasii L. Ahart 2005-8-30 12361 Sierra E of Pass Creek, 100 yards SE of the falls on Pass Creek, 1/4 mile S of French meadow, 2.5 miles W of Webber Lake 2074 Comment
  RSA65867  Polygonum douglasii F. W. Peirson 1921-8-9 1802 Sierra South Fork of San Joaquin River 2515 Comment
  SJSU12087  Polygonum douglasii N. A. Hopkins 1974-8-5 598 Sierra near Packer L 1889 Comment
  CDA22789  Polygonum douglasii subsp. douglasii L. Ahart 2005-8-3 12361 Sierra East of Pass Creek, about 100 yards southeast of the falls on Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. Comment
  CHSC108100  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
  CHSC47686  Polygonum douglasii subsp. douglasii Lowell Ahart 1989-8-16 6376 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir. 1706 Comment
  RSA772433  Polygonum douglasii subsp. douglasii L. Ahart 2010-9-15 17165 Sierra About 20 yrds NW of the cabin, about 50 yrds SW of the middle pond, At the spring, About 2.75 air miles north of Yuba Pass on Hwy 49, about 4 air miles east of Haskell Peak. 2135 Comment
  SEINET11935010  Polygonum douglasii subsp. douglasii L. P. Janeway 1989-1 3632 Sierra N-facing slopes of mixed conifer forest along SE side of McNair Mdw, ca 1 mi W of Calpine L.O 1631 Comment
  UC1060656  Polygonum parryi Herbert L. Mason 1957-6-21 14709 Sierra 3 mi n Satley; Sierra Valley 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
  SJSU6442  Polygonum polygaloides subsp. kelloggii N. A. Hopkins 1971-6-14 388 Sierra S end Sierra Valley 1584 Comment
  SEINET4335322  Polygonum sawatchense P. B. Kennedy, S. B. Doten 1901-7-8 112 Sierra NE of Webber Lake Comment
  UC66006  Polygonum sawatchense subsp. sawatchense P. B. Kennedy and S. B. Doten 1901-7-8 112 Sierra Webber Lake Comment
  UC173664  Polygonum shastense J. G. Lemmon 1875-1 Sierra Comment
  JEPS125711  Polygonum spergulariiforme William Harnach 2015-8-26 1443 Sierra Salmon Creek Campground. Comment
  SJSU12081  Polygonum spergulariiforme N. A. Hopkins 1983-8-30 1166 Sierra c. 1 mi SW of Calpine, Sierra Valley 1524 Comment
  UCR230726  Polystichum imbricans George K. Helmkamp, E. A. Helmkamp 2011-6-9 17549 Sierra Northern Sierra Nevada Mountains Foothills, 7.1 miles north of Camptonville along CA-49, about 2.5 miles north of the Yuba Co. line 808 Comment
  CHSC94176  Polystichum imbricans subsp. imbricans Lowell Ahart 2006-6-21 12820 Sierra On the north side of the Foote Road, near Blue Ravine, about 1.3 miles (by road) southwest of Alleghany. By a large rock. 1305 Comment
  HSC97017  Polystichum imbricans subsp. imbricans L. Ahart 2006-6-21 12820 Sierra N side of Foote Rd., 1.3 mi. SW of Alleghany 1306 Comment
  SEINET10896400  Polystichum lonchitis Francis P. Daniels 1878-1 Daniels UMO 32155 Sierra Sierra Valley. Comment
  CAS-BOT-BC136684  Populus balsamifera subsp. trichocarpa D. H. Wilken; E. L. Painter; M. Wetherwax 2007-6-17 16750 Sierra East end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake, Sierra Buttes 1985 Comment
  CAS-BOT-BC102708  Populus tremuloides Peter H. Raven 1964-6-30 19606 Sierra stream 6.4 miles south of Sierraville on State Highway 89 1737 Comment
  CAS-BOT-BC105518  Populus trichocarpa Javier Penalosa 1962-6-20 2552 Sierra Along Little Truckee Ri. at Hwy. 89. 1905 Comment
  UC973841  Porterella carnosula Herbert L. Mason 1952-7-19 14439 Sierra 1.5 mi e Calpine (near junction of Sierraville-Beckwith road and Calpine Road); Sierra Valley Comment
  JEPS108486  Porterella carnosula Lisa Schultheis with Dan Mulcahy 1997-5-31 573 -97 Sierra Sierra Valley. Rt. A-23, 6.4 mi from junction with Rt. 89 Comment
  SEINET10460780  Porterella carnosula Mason 1952-7-19 Mason 14439 Sierra Margins of marshy pond 1.5 miles east of Calpine near junction of Sierraville-Beckwith road and Calpine road, Sierra Valley Comment
  CAS-BOT-BC452088  Potamogeton alpinus W. R. Dudley 1894-8-1 s.n. Sierra In Webber Lake Comment
  RSA286303  Potamogeton gramineus Robert F. Thorne 1974-7-30 45063 Sierra Tahoe National Forest: Goose, Haven, and Snag Lake area. 2058 Comment
  SBBG72517  Potentilla biennis J. G. Lemmon 1875-1 Sierra Sierra Valley Comment
  RSA8077  Potentilla glandulosa subsp. ashlandica H. A. Barker 1927-6-28 750 Sierra Gold Lake. 1954 Comment
  UCD113844  Potentilla gracilis B. Crampton 1957-7-24 4413 Sierra Gordon Van Vleck Ranch, Sierra Valley, 4 miles northeast of Sattley. Comment
  CHSC64657  Potentilla gracilis var. fastigiata H. H. Schmidt; M. Merello, L. Woodruff 1993-6-13 847 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Meadow, roadside. [Original lat./long. on label is '39 35 N; 120 23 W']. 1650 Comment
  CAS-BOT-BC541006  Potentilla gracilis var. fastigiata Gordon H. True 1984-6-19 3092 Sierra Open meadow in Sierra Valley, 1 mile north of Sattley 1493 Comment
  CAS-BOT-BC541007  Potentilla gracilis var. fastigiata D. E. Breedlove 1962-6-13 3500 Sierra In meadow along State Highway 89, 4.2 miles north of Sierraville 1524 Comment
  CAS-BOT-BC541009  Potentilla gracilis var. fastigiata Leah D. McKee 1981-5-16 046 Sierra Marsh at Jct. A 23 &Hot Springs Rd. 1066 Comment
  CAS-BOT-BC541011  Potentilla gracilis var. fastigiata George Haley 1927-8-6 s. n. Sierra Webber Lake Comment
  CAS-BOT-BC541012  Potentilla gracilis var. fastigiata Belle R. Jackson 1932-6-1 s. n. Sierra Sierra Valley Comment
  CAS-BOT-BC541014  Potentilla gracilis var. fastigiata Alice Eastwood 1918-6-29 7868 Sierra Loyalton Comment
  CAS-BOT-BC541018  Potentilla gracilis var. fastigiata H. Albert Barker 1926-7-3 39 Sierra Paker Lake 1953 Comment
  UCD113956  Potentilla rivalis K. M. Meyer; A. Townesmith 2007-7-15 118 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. Comment
  UC1949188  Poteridium annuum Barbara Ertter 1987-6-12 7093 Sierra Hwy 49 on E side Sierra Valley between Sierraville and Loyalton, S foot of Newman Point on Rice Hill, E side of road Comment
  CHSC43349  Primula suffrutescens Lowell Ahart 1976-10-11 1221 Sierra On the north side of Mt. Fillmore, near the small mountain meadow. 2133 Comment
  CAS-BOT-BC158196  Prunus emarginata Jean L. Pawek 1956-5-21 56 Sierra Highway 49 1524 Comment
  CHSC64659  Prunus emarginata H. H. Schmidt; M. Merello, L. Woodruff 1993-6-13 856 Sierra Tahoe National Forest. On state highway 89 at Calpine. 3 miles N of junction with state highway 49. [Original lat./long. on label is '39 degrees, 40 minutes, 68 seconds N; 120 degrees, 27 minutes, 15 seconds W']. 1585 Comment
  JEPS117440  Prunus emarginata Lowell Ahart 2010-9-15 17170 Sierra Open areas, around 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
  JEPS125665  Prunus emarginata William Harnach 2013-5-14 1348 Sierra 3.2 miles west of the Highway 89 Main Street intersection, Calpine on Forest Road 52. Comment
  RSA8033  Prunus emarginata H. A. Barker 1927-7-5 775 Sierra Gold Lake. Comment
  UCD113192  Prunus emarginata R. O. Hanes 1992-9-28 97 Sierra Lemmon Canyon. 1706 Comment
  UCR196994  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2008-5-20 13485 Sierra Sierra Nevada Mountains Foothills, Henness Pass road, 3.4 miles northeast of Camptonville 1261 Comment
  SEINET11910985  Prunus emarginata F. H. Utech 1986-1 86 -051 Sierra Tahoe National Forest, Wild Plum Recreation Area, ca 2 mi E of Sierra City on CA 49 1350 Comment
  CAS-BOT-BC154673  Prunus subcordata P. C. Everett; E. K. Balls 1954-10-8 20248 Sierra Hwy 49, Downieville to Sierra City, 7.7 mi. e. of Downieville 1219 Comment
  CAS-BOT-BC151223  Prunus virginiana var. demissa W. R. Dudley 1909-8-27 s.n. Sierra Sierra Valley Comment
  SD124902  Pseudognaphalium beneolens R. D. Goeden 1986-9-10 Sierra Along Fibreboard Road above Perazo Meadow, northwest of Truckee and ca. 10 miles east of Jackson Meadow Reservoir; Tahoe National Forest. 2010 Comment
  CAS-BOT-BC357398  Pseudognaphalium microcephalum Roxana S. Ferris 1953-11-8 12701 Sierra About 1 mile from Sierraville on road to Sierra Buttes Comment
  SJSU13910  Pseudognaphalium thermale N. A. Hopkins 1986-8-24 1377 Sierra 1 mi SW of Calpine, Sierra Valley 1524 Comment
  JEPS51144  Pseudostellaria jamesiana W. L. Jepson 1934-8-3 16826 Sierra 2 mi e Bassett Sta. (Pioneer road sta., North Fork Yuba River); North Fork Yuba River 1706 Comment
  SEINET8849724  Pseudostellaria jamesiana W. Harnach, N. Harnach 1990-6-6 338 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  SJSU9124  Pseudostellaria jamesiana H. L. Buckalew 1964-7-16 Sierra Yuba Pass 2316 Comment
  CHSC89504  Psilocarphus brevissimus var. brevissimus G. Douglas Barbe; T. C. Fuller 1973-6-19 1623 Sierra Tahoe National Forest. Hoke Valley, N of Stampede Reservoir (Nevada Co. line), on Stampede Reservoir Rd. 9.75 miles (15.7 km.) N of Interstate Hwy 80 at Boca; 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
  UCD84223  Psilocarphus oregonus 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-BC383096  Pterospora andromedea Andrew Townesmith; Karen M. Meyer 2007-7-18 824 Sierra Tahoe National Forest, Sierraville Ranger District. Vicinity of Little Truckee Summit Picnic/Off Road Vehicle Area, at intersection of state route 89 and Forest Service road 07 1958 Comment
  CAS-BOT-BC453559  Pterospora andromedea Javier Penalosa 1962-6-20 2523 Sierra Little Truckee River at Hwy. 89. 1905 Comment
  CAS-BOT-BC460542  Pterospora andromedea Mrs. E. C. Sutliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC460544  Pterospora andromedea Mrs. E. C. Sutliffe 1920-10-16 s.n. Sierra Salmon Lake Comment
  UCD117791  Pterospora andromedea Roman Gankin 1951-8-17 51 Sierra Near north fork of Yuba River, State Highway 49, near Pioneer Lodge in Sierra Buttes Recreation Area. 1798 Comment
  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
  SEINET11910484  Purshia tridentata J. G. Lemmon 1874-1 61 Sierra 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
  UC450426  Pycnanthemum californicum J. G. Lemmon Sierra Gold Lake; High Sierra, Gold Lake Comment
  UC477534  Pycnanthemum californicum L. S. Smith 1931-6-22 2566 Sierra Comptonville Dist. Yellow Jacket Ridge (Tahoe National Forest); , Yellow Jacket Ridge Comment
  SEINET7246539  Pyrola asarifolia L. S. Mott 1965-8-8 6559 Sierra Packer Lake Comment
  UCD117799  Pyrola asarifolia Gladys L. Smith 1959-6-19 1222 Sierra Lower Sardine Lake. 1828 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
  CAS-BOT-BC466125  Pyrola picta Elmer I. Applegate 1921-9-7 3375 Sierra Gold Lake 1981 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
  JEPS113939  Pyrrocoma lucida W. and N. Harnach 2000-8-23 1001 Sierra Sierra Valley, 1 mile east of Calpine, CA. Calpine Road (home) Comment
  UC218000 Image available Pyrrocoma racemosa var. paniculata J. G. Lemmon 1874-1 Sierra Sierra Co. (?) Comment
  CAS-BOT-BC68639  Quercus chrysolepis Elmer I. Applegate 1921-9-8 3390 Sierra Near Sierra City 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
  UCD46604  Quercus kelloggii P. B. Schultz 1967-6-30 31 Sierra 2 miles east of Downieville, Sierra County, California. 929 Comment
  CAS-BOT-BC104611  Quercus vacciniifolia Lewis S. Rose 1934-7-12 34349 Sierra Rick slope, Gold Lake 1950 Comment
  CAS-BOT-BC104612  Quercus vacciniifolia George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC104614  Quercus vacciniifolia John Thomas Howell; Gordon H. True 1969-6-25 45846 Sierra Sierra Nevada. 3 miles N of Bassets on road to Gold Lake 1950 Comment
  HSC8300  Quercus vacciniifolia R. G. Means 1962-6-22 29 Sierra Lower Sardine Lake 1829 Comment
  UC338646  Quercus vacciniifolia unknown 1880-1 Sierra Meadow Lake 2438 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
  SEINET10437403  Quercus vacciniifolia P. A. Lehenbauer 1936-10-4 s.n. Sierra Gold Lake. Comment
  CAS-BOT-BC362689  Raillardella argentea L. P. Janeway 1984-8-11 977 Sierra Northwest of Sierra Buttes 2316 Comment
  JEPS87652  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
  UC1477425  Ranunculus Nancy Morin July 1978 273 Sierra Bear Valley Rd Kyburz Flat Comment
  UCD95813  Ranunculus alismifolius R. O. Hanes 1991-6-2 35 Sierra Kyburz Flat. 1920 Comment
  POM311431  Ranunculus alismifolius var. hartwegii D. E. Breedlove 1962-6-11 s.n. Sierra Along Hwy 89, 17.6 miles E of McCloud, Cascade Mtns. 1220 Comment
  CHSC64648  Ranunculus aquatilis var. capillaceus H. H. Schmidt; M. Merello, L. Woodruff 1993-6-13 851 Sierra Tahoe National Forest on state highway 89. 1.7 miles N of Sierraville. Meadow. [Original latitude and longitude is '39 degrees 35' 75' N; 120 degrees 23' 88' W']. 1650 Comment
  CAS-BOT-BC379068  Ranunculus aquatilis var. diffusus H. Albert Barker 1926-7-10 108 Sierra Hawley Lake 1966 Comment
  CHSC81049  Ranunculus flammula var. ovalis Lowell Ahart 2001-8-10 9107 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
  SEINET5338704  Ranunculus glaberrimus var. glaberrimus P. A. Lehenbauer 1924-3-15 815 Sierra Balls Canyon- NW of Reno. Comment
  SEINET5338807  Ranunculus occidentalis C. Bell 1962-5-9 s.n. Sierra Dog Valley; West of Verdi, Nev., Sierra City. 1737 Comment
  SEINET5338814  Ranunculus occidentalis P. A. Lehenbauer 1935-5-21 s.n. Sierra Balls Canyon. Comment
  SEINET5338931  Ranunculus occidentalis M. Demorest 1962-5-9 78 Sierra Dog Valley, on valley floor near meadow in wooded area N. of road. 1829 Comment
  SEINET5338834  Ranunculus occidentalis var. ultramontanus P. A. Lehenbauer 1930-5-15 1449 Sierra Verdi Glen. Comment
  UC1477468  Ranunculus orthorhynchus var. orthorhynchus Nancy Morin July 1978 272 Sierra Bear Valley Rd Kyburz Flat Comment
  SEINET8701816  Ranunculus uncinatus W. Harnach, N. Harnach 1991-6-23 573 Sierra Sierra Valley, 0.25 miles S of Sattley, Parlanti Ranch. 1524 Comment
  LA207871  Rhamnus purshiana Carl B. Wolf; 1937-8-6 9048 Sierra SIERRA NEVADA, n Sierra Nevada, N Fork of Yuba River, 5 mi. above Downieville 1066 Comment
  RSA21688  Rhamnus purshiana Carl B. Wolf 1937-8-6 9048 Sierra Northern Sierra Nevada, North Fork of Yuba River, 5 miles above Downieville. 1067 Comment
  POM246517  Rhamnus rubra Carl B. Wolf 1937-8-6 9042 Sierra Northern Sierra Nevada, No. fork of Yuba River, 2.5 mi. above Downieville. 976 Comment
  RSA88511  Rhamnus rubra J. T. Howell 1951-8-21 28279 Sierra W side of Yuba Pass 1524 Comment
  UC1121933  Rhamnus rubra G. Burks 1933-7-5 12 Sierra 3 mi se Camptonville; Tahoe National Forest, Smartsville Quad. 944 Comment
  UCD117841  Rhododendron columbianum R. O. Hanes 1995-7-17 271 Sierra Tahoe Forest. Quartz Mtn. 1773 Comment
  CHSC43518  Rhododendron neoglandulosum Lowell Ahart 1977-6-18 1430 Sierra Near a bog east of Port Wine Ridge Road, about 2 miles north-east of Scales. 1280 Comment
  UC329960  Ribes Lemmon 1889-6-8 Sierra Gold Lake Comment
  JEPS95788  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
  SJSU14208  Ribes cereum N. A. Hopkins 1989-7-1 1550 Sierra by road from Yuba Pass to Weber L near Bonta Saddle turnoff 2316 Comment
  SEINET5339534  Ribes cereum S. B. Doten 1901-7-1 66 Sierra [Sierra Nevada] Near Webber Lake Comment
  CAS-BOT-BC169089  Ribes inerme var. inerme Wm. Bridge Cooke 1939-7-21 13702 Sierra In the vicinity of the outlet of the Municipal spring above Howard - Mount Shasta 1280 Comment
  SEINET5339685  Ribes montigenum C. Bell 1962-5-9 1 Sierra New Dog Valley Road; west of Verdi, to left of road about 1 1/2 miles out, on upper bank 1615 Comment
  CAS-BOT-BC219256  Ribes nevadense Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  CAS-BOT-BC219257  Ribes nevadense Elmer I. Applegate 1921-9-7 s.n. Sierra Gold Lake 1981 Comment
  RSA0023148  Ribes nevadense Robert F. Thorne, C. W. Tilforth 1969-9-6 39215 Sierra Goose Lake, SE of Gold Lake. 1951 Comment
  SEINET12217056  Ribes nevadense F. H. Utech 1986-1 86 -056 Sierra Tahoe National Forest, Wild Plum Recreation Area, ca 2 mi E of Sierra City on CA 49 1350 Comment
  UCR131631  Ribes roezlii Beecher Crampton 1954-5-11 1897 Sierra Tahoe National Forest, 2 miles [north]east of Sierra City on Hwy 49 1341 Comment
  RSA0018037  Ribes roezlii H. A. Barker 1927-6-24 730 Sierra Packer Lake. 1982 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
  SEINET5339791  Ribes velutinum P. A. Lehenbauer 1937-6-8 62 Sierra 25 mi. w. of Reno, NV, on Truckee River at Iceland, s. side of river by falls. 1676 Comment
  NY455581  Ribes viscosissimum J. G. Lemmon 1874-1 s.n. Sierra Comment
  RSA0020915  Ribes viscosissimum Robert Gustafson 1985-6-11 3148 Sierra Forest Service Road 12, ca 5 miles S from the junction of highway 49, Yuba Pass summit area. 2134 Comment
  JEPS125672  Rigiopappus leptocladus William Harnach 2013-5-17 1351 Sierra 0.75 miles south of Highway 49 on the Antelope Valley Road Comment
  SJSU9812  Rigiopappus leptocladus C. W. Sharsmith 1982-5-30 8663 Sierra 2 mi N of Sattley on Sattley-Beckwourth Rd, Sierra Valley 1524 Comment
  CAS-BOT-BC74663  Rorippa curvisiliqua Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake. Comment
  SJSU12109  Rosa californica N. A. Hopkins 1983-6-15 1135 Sierra Upper Long Valley W of Bordertown 1584 Comment
  RSA490802  Rosa canina B. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 865 Sierra Above Ramshorn Campground, on Hwy. 49, ca. 15 miles NE of Camptonville and ca. 5 miles W of Downieville. 823 Comment
  CAS-BOT-BC383095  Rosa woodsii Andrew Townesmith; Karen M. Meyer 2007-7-16 822 Sierra Tahoe National Forest, Sierraville Ranger District. Along California route 89, 1.0 mile SE of intersection with county road 450 1868 Comment
  CDA18040  Rosa woodsii B. Villegas 1999-7-8 s.n. Sierra Dog Valley Rd., 1.2 miles from Bordertown. 0 Comment
  JEPS102558  Rosa woodsii var. ultramontana Lowell Ahart 2001-8-10 9095 Sierra On the n side of the Truckee River, about 100 ft s of the dam, diversion dam across the Little Truckee R, about 100 yd s of Fiberboard Road (Forest Road 18), about 1/8 mile n of Henness Pass Rd, about 5 mi (air) e of Webber Lake. 1920 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
  SEINET8584729  Rubus bifrons W. Harnach 2013-7-3 1372 Sierra Approx 150 yards along the Pacific Crest Trail, just south of the intersection with Hwy 49, northeast of Sierra City CA 1404 Comment
  UCR206327  Rubus glaucifolius George K. Helmkamp, E. A. Helmkamp 2009-5-28 14860 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.8 miles north of the Yuba County line0 884 Comment
  SD236400  Rubus parviflorus G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13482 Sierra Sierra Nevada Mountains Foothills: Henness Pass road, 3.4 miles northeast of Camptonville. Roadside ditch. 1260 Comment
  UC66115  Rubus parviflorus P. B. Kennedy 1901-7-19 191 Sierra Canyon w Lincoln Valley; Canyon w of Lincoln Valley Comment
  UCD17662  Rubus ursinus H. Olmo; R. Bammi 1963-9-12 63 28 Sierra California. Sierra County: 7 miles west of Downieville on California 49. Near North Yuba River at Highway Marker A236+36. 882 Comment
  SEINET4210935  Rumex acetosella H. Hamlin s.n. Sierra Sierra Valley, near Sierraville (Hamlin Ranch was west of Sierraville) 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
  JEPS117448  Rumex salicifolius var. denticulatus Lowell Ahart 2010-9-15 17166 Sierra Along stream, near a dry open meadow, about 150 yards north of the cabin, about 40 yards north of the lower pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  CHSC81047  Rumex salicifolius var. triangulivalvis Lowell Ahart 2001-8-10 9079 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
  UC1561956  Sagina decumbens subsp. occidentalis Barbara Ertter with Lowell Ahart 1987-6-27 7220 Sierra ca. 12 airmiles n. of Truckee (ca. 1.5 mi. e. of Hwy. 89 on Tahoe Nat'l Forest Rd. S450, head of Little Truckee R., upper end of Kyburz Flat n. of rd.); Little Truckee R., Kyburz Flat 1920 Comment
  JEPS125659  Sagittaria cuneata William Harnach 2013-7-27 1374 Sierra 3.25 miles south of the Jackson Meadows Road on the Meadow Lake Road (south of Webber Lake). Comment
  CAS-BOT-BC102845  Salix boothii L. S. Smith 1931-9-16 2633 Sierra Babbit Spring, Jones Valley Range, Tahoe N.F. 2133 Comment
  CAS-BOT-BC102847  Salix boothii W. R. Dudley 1900-6-21 5416 Sierra West side of Webber Lake near shore Comment
  CHSC105692  Salix breweri Lowell Ahart 2010-9-15 17172 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
  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
  JEPS117254  Salix breweri Lowell Ahart 2010-9-15 17172 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
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Jun 20 2016
  CAS-BOT-BC103636  Salix eastwoodiae W. R. Dudley 1894-9-1 s.n. Sierra Near Lake of Woods Comment
  CAS-BOT-BC103637  Salix eastwoodiae W. R. Dudley 1894-8-30 s.n. Sierra Webber Lake Meadow Comment
  CAS-BOT-BC103639  Salix eastwoodiae W. R. Dudley 1900-6-21 5474 Sierra Webber Lake to Sierraville Comment
  CAS-BOT-BC103655  Salix eastwoodiae Lewis S. Rose 1934-7-17 34380 Sierra Ridge, W. of Gold Lake 2133 Comment
  CAS-BOT-BC103656  Salix eastwoodiae John Thomas Howell 1969-9-13 46120 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CHSC43894  Salix eastwoodiae L. P. Janeway 1984-8-25 1077 Sierra Snag Lake. 2026 Comment
  JEPS95179  Salix eastwoodiae Vernon H. Oswald and Lowell Ahart 1996-8-19 8220 Sierra Yuba Pass-Weber Lake Road (Forest Route 12) 1.5 mi S of the road to Haypress Valley Northern High Sierra Nevada. 2194 Comment
  JEPS96040  Salix eastwoodiae Vernon H. Oswald and Lowell Ahart 1996-8-19 8220 Sierra Yuba Pass-Weber Lake Road (Forest Route 12) 1.5 mi S of the road to Haypress Valley, northern High Sierra Nevada. Comment
  UC67113  Salix eastwoodiae P. B. Kennedy 1901-7-23 221 Sierra Lincoln Valley, CA Comment
  CAS-BOT-BC103759  Salix exigua D. E. Breedlove 1962-6-13 3521 Sierra along the Little Truckee River, 10.0 miles south of Sierraville on State Highway 89; Sierra Nevada 1950 Comment
  CAS-BOT-BC107960  Salix geyeriana D. E. Breedlove 1962-6-13 3522 Sierra Along the Little Truckee River, 10.0 miles south of Sierraville on State hwy. 89 - Sierra Nevada 1950 Comment
  SEINET10392864  Salix jepsonii G. S. Corbin 1998-7-26 2795 Sierra 1 mile S of Yuba Pass. 1951 Comment
  CAS-BOT-BC125432  Salix lasiandra var. lasiandra Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon [Lakes] Lake Comment
  CAS-BOT-BC125438  Salix lasiandra var. lasiandra Peter H. Raven 1964-6-30 19605 Sierra 6.4 miles south of Sierraville on State Highway 89 1737 Comment
  CAS-BOT-BC125440  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-22 5520 Sierra Between Sierraville and Little Truckee River Comment
  SJSU12147  Salix lasiandra var. lasiandra N. A. Hopkins 1976-6-21 820 Sierra Packer L 1889 Comment
  CAS-BOT-BC124885  Salix lemmonii Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC124886  Salix lemmonii G. Earle Kelley 1919-1-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC124887  Salix lemmonii G. Earle Kelley 1919-1-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC124891  Salix lemmonii W. R. Dudley 1900-6-20 5284 Sierra west of Independence Hotel Comment
  CAS-BOT-BC124892  Salix lemmonii John Thomas Howell 1969-9-13 46124 Sierra North shore of Webber Lake 2064 Comment
  RSA8055  Salix lemmonii H. A. Barker 1927-6-28 743 Sierra Gold Lake. 1966 Comment
  UCD111708  Salix lemmonii R. Randell 1996-5-26 15 Sierra Tahoe National Forest, 100 meters east of road 93 cut off on Sardine Lake Road. 1800 Comment
  SEINET10412691  Salix lemmonii S. B. Doten 1901-7-2 78 Sierra Webber Lake. Comment
  CAS-BOT-BC125115  Salix ligulifolia W. R. Dudley 1909-8-25 s.n. Sierra Sierraville Comment
  CHSC105680  Salix lucida subsp. lasiandra Lowell Ahart 2010-9-15 17173 Sierra Along stream and north of the second pond, about 100 yards north of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC69910  Salix lucida subsp. lasiandra L. P. Janeway; Eric Schroder 1997-8-20 5357 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. 2042 Comment
  CHSC9614  Salix lucida subsp. lasiandra E. L. Smith 1971-7-27 988 Sierra At Sierraville. 1508 Comment
  UC1776656  Salix prolixa G. Schoolcraft 1998-7-30 2792 Sierra Bassetts' Bridge S. of Hwy 49 1645 Comment
  CAS-BOT-BC126145  Salix scouleriana Alice Eastwood 1918-6-29 7904 Sierra Loyalton Comment
  CAS-BOT-BC126147  Salix scouleriana Alice Eastwood 1918-4-6 6753 Sierra Downieville Comment
  UC337817  Salix scouleriana unknown 1885-1 Sierra near Turner's Sawmill Turner's Sawmill; Sierra Valley Comment
  JEPS113946  Salvia aethiopis W. and N. Harnach 2000-6-14 906 Sierra Sierra Valley North of the sawmill in Loyalton, CA. Comment
  CHSC53037  Sambucus mexicana L. P. Janeway 1989-8-22 3626 Sierra Midslope, NE-facing, between ridge and Hwy 89; near Sulphur Cr, ca 3 mi I of Haskell Pk. 1920 Comment
  JEPS99005  Sambucus mexicana Rolf W. Benseler 1997-7-14 621 Sierra North of Ground Hog Rock, Tahoe National Forest Comment
  JEPS99006  Sambucus mexicana Rolf W. Benseler 1997-7-14 622 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-BC236474  Sambucus racemosa subsp. racemosa L. P. Janeway; Garrett Gibson 1991-7-22 4090 Sierra 1/2 mi. due east of Mohawk Gap along road 21N31B, Beckwourth Ranger District, Plumas National Forest 2225 Comment
  CDA26416  Sanguisorba annua T. C. Fuller 1980-8-13 20626 Sierra West side of Highway 89, 1.3 km north of junction with Highway 49, 2.74 km north of Sattley. 0 Comment
  JEPS95551  Sanicula graveolens Lowell Ahart 1994-7-1 7443 Sierra 11 air miles NE of Alleghany (N 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
  SBBG61239  Sanicula graveolens J. G. Lemmon -- Sierra Sierra Valley Comment
  SEINET11160272  Sanicula tuberosa W. Harnach, N. Harnach 2000-6-17 913 Sierra Sierra Valley, 1 mile W of the intersection of Mountain Quail Road with Hwy 89, ca 2 miles S of Calpine. 1524 Comment
  SEINET10454584  Sanicula tuberosa Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4488 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
  UCR59464  Sarcodes sanguinea B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0969 Sierra Plumas National Forest, c. 2.3 mi south of Sierra County Line on Hwy 89, just before boundary of Tahoe National Forest Comment
  CAS-BOT-BC466228  Sarcodes sanguinea George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC436876  Saxifraga W. Harnach; N. Harnach 1989-4-30 049 Sierra Calpine Ranch (home), Sierra Valley 1498 Comment
  SEINET12221796  Saxifraga californica F. H. Utech 1990-6-5 90 -884 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  CHSC57402  Sceptridium multifidum L. P. Janeway 1984-8-25 1089 Sierra Small shallow lake just southwest of Snag Lake. 2026 Comment
  CHSC61931  Scirpus congdonii Lowell Ahart 1993-9-24 7242 Sierra On the west side of a poor dirt road that ends at a stream, on the north side of Mount Fillmore, about 3.4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CAS-BOT-BC35583  Scirpus congdonii Gladys L. Smith 1959-6-19 1220 Sierra Lower Sardine Lake 1828 Comment
  UC840932  Scirpus congdonii Lewis S. Rose 1934-7-17 34383 Sierra w Gold Lake; w of Gold Lake 2133 Comment
  JEPS64010  Scirpus microcarpus W. L. Jepson 1934-8-6 16866 Sierra Yuba Pass Yuba Pass (Moist bank) 2011 Comment
  UCR257664  Scirpus microcarpus George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19465 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-BC111090  Scirpus microcarpus W. Harnach; N. Harnach 1991-7-4 618 Sierra Sierra Valley, Martinetti Ranch (the fenced bog hole). 1511 Comment
  CHSC37227  Scutellaria californica L. Ahart 1982-7-28 3692 Sierra Ca 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  RSA639989  Scutellaria californica Richard Olmstead 1986-6-14 844 Sierra Along hwy 49 at roadcut, 5.5 mi N of Camptonville. 780 Comment
  SD147968  Scutellaria californica Richard Olmstead 1986-6-14 844 Sierra Along Highway 49 at roadcut, 5.5 miles north of Camptonville. 779 Comment
  SEINET10482969  Sedum Mary Susan Taylor 1981-7-17 Taylor 4049 Sierra T21N R12E ne sec 29, Sierra City NW quad. S side of Salmon Lakes Rd, just E of Upper Salmon Lake, ca. 9 air mi S of Mohawk. 6500 ft elev. 1981 Comment
  CHSC63605  Sedum laxum subsp. laxum Lowell Ahart 1994-7-1 7437 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
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Oct 29 2020
  CHSC117695  Sedum obtusatum Peter F. Zika 2013-6-28 26267 Sierra Above road 301, 0.9 air km N of dam on Jackson Meadows Reservoir. Northern High Sierra Nevada. 1850 Comment
  SEINET8917394  Sedum obtusatum W. Harnach 2013-7-27 1378 Sierra Along Meadow Lake Road (S of Webber Lake), 3.25 miles S of Jackson Meadows Road. 2173 Comment
  SJSU4993  Sedum obtusatum N. A. Hopkins 1968-7-5 161 Sierra 0.5 mi W of Packer L 2103 Comment
  CHSC37221  Sedum obtusatum subsp. boreale L. Ahart 1982-7-28 3700 Sierra Ca. 1/4 mi n of Pacific Mine, Ca. 5 mi e of LaPorte. 518 Comment
  JEPS124074  Selaginella wallacei Lowell Ahart 2015-5-9 20158 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  CAS-BOT-BC69771  Selaginella wallacei G. L. Stebbins 1970-7-5 7032 Sierra Along Fiddle Creek. 1036 Comment
  CAS-BOT-BC363274  Senecio aronicoides Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
  UC1299448  Senecio aronicoides Freed W. Hoffman 1946-7-13 676 Sierra Yuba Pass summit Sierra Nevada 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
  CAS-BOT-BC363802  Senecio integerrimus Javier Penalosa 1962-6-20 2546 Sierra Little Truckee River at Highway 89 1905 Comment
  JEPS37282  Senecio serra var. serra W. L. Jepson 1896-8-26 Sierra w of Reno, Nevada; Dog Valley 1828 Comment
  JEPS102636  Senecio streptanthifolius Lowell Ahart 2001-8-10 9101 Sierra Base of a steep bluff, ca 100 ft SW of the dam, diversion dam across the Little Truckee River (flows to Sierra Valley), ca 150 yds s of Fiberboard Road (Forest Road 18), ca 1/8 mi n of Henness Pass Road, ca 5 mi (air) e of Webber Lake. 1920 Comment
  CAS-BOT-BC364415  Senecio triangularis George Hale 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC364417  Senecio triangularis Lowell Ahart 1978-9-26 s.n. Sierra On the north side of Mt. Fillmore 2200 Comment
  CHSC45010  Senecio triangularis Lowell Ahart 1978-9-26 1812 Sierra On a bank of a stream that drains the north side of Mount Fillmore, about 12 air miles north-east of La Porte. 1981 Comment
  JEPS125819  Setaria viridis William Harnach 2014-10-7 1396 Sierra 208 Coates Ave., Calpine Comment
  CHSC66599  Sidalcea glaucescens Lowell Ahart 1996-7-25 7694 Sierra Old Henness Pass Road, French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  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
  JEPS118494  Sidalcea oregana subsp. spicata Lowell Ahart 2011-9-23 17703 Sierra On the east side of a small stream that flows into Pass Creek, about 50 yards north of Pass Creek, about 350 yards south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2016 Comment
  SDSU8183  Sidalcea oregana subsp. spicata D. F. Howe 1959-8-2 2778 Sierra One mile west of Yuba Pass 1829 Comment
  SEINET8971334  Sidalcea oregana var. spicata P. B. Kennedy, S. B. Doten 1901-7-8 109 Sierra Falls below Webber Lake. 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
  CHSC54557  Silene bernardina Lowell Ahart 1991-7-29 6701 Sierra On the west side of Negro Creek, west of Burlington, about 1 mile north-east of Harris Meadow, about 1 1/4 miles north-east of Granite Mountain. 1828 Comment
  CHSC74659  Silene bernardina B. Castro; L. Gehrung, H. Durio 1995-9-14 631 Sierra Ca 0.7 air mi SW of the top of Mt. Fillmore, and ca 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. 1962 Comment
  CAS-BOT-BC387051  Silene douglasii John Thomas Howell; Gordon H. True 1970-7-14 5523 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  CAS-BOT-BC387052  Silene douglasii H. Albert Barker 1926-7-8 94 Sierra Gold lake Ridge 2072 Comment
  CAS-BOT-BC387058  Silene douglasii Elmer I. Applegate 1935-8-8 9415 Sierra Indian Well, Lava Beds National Monument Comment
  SJSU4981  Silene douglasii var. douglasii N. A. Hopkins 1968-6-30 150 Sierra 0.25 mi N of Packer L 1859 Comment
  SJSU13919  Silene douglasii var. douglasii N. A. Hopkins 1986-6-30 1343 Sierra 2158 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
  CHSC61789  Silene invisa Lowell Ahart 1993-9-10 7196 Sierra At the end of a poor dirt road where there is a camp, water ditch and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  JEPS88077  Silene invisa Vernon H. Oswald and Lowell Ahart 1996-8-19 8199 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.2 mi. s. of the rd. to Lincoln Valley; northern High Sierra Nevada 2346 Comment
  JEPS88145  Silene invisa Lowell Ahart 1996-7-25 7697 Sierra ca. 2 mi. w. Webber Lake (s. of the old Henness Pass Rd., just w. of French Meadow) 1950 Comment
  SJSU11975  Silene laciniata N. A. Hopkins 1975-7-24 705 Sierra by Woodruff Cr 0.5 mi S of its confluence with Rock Cr 822 Comment
  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
  UCD40307  Silene lemmonii Rodney Gale Myatt 1971-7-3 815 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  CAS-BOT-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
  SEINET5337135  Silene lemmonii S. B. Doten 1901-7-12 162 Sierra Webber Lake Comment
  NY1104514  Silene lyallii J. G. Lemmon 1874-1 - 16 Sierra Comment
  CAS-BOT-BC389538  Silene nuda Herbert L. Mason 1952-7-19 14452 Sierra Sierra Nevada. 1.5 miles east of Calpine at junction of Calpine with Sierraville-Beckwourth road. Sierra Valley 1524 Comment
  CAS-BOT-BC389540  Silene nuda Alice Eastwood 1918-6-29 7811 Sierra Loyalton Comment
  UC1137895  Silene nuda G. T. Nordstrom 1936-7-23 953 Sierra 2 1/2 mi s Purdy; Sierra National Forest, Sierraville Quadrangle Comment
  NY342640  Silene occidentalis subsp. occidentalis J. G. Lemmon 1874-1 14 Sierra Comment
  UCR257844  Sisymbrium altissimum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19496 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  CAS-BOT-BC75044  Sisymbrium altissimum Catherine Best 1981-6-19 s.n. Sierra Sierra Nevada. Herringtons. Sierra City. Comment
  SJSU6451  Sisyrinchium halophilum N. A. Hopkins 1971-6-19 412 Sierra just ENE of Sattley, Sierra Valley 1524 Comment
  UCD130596  Solanum parishii William Haley; Sandra Haley 2012-8-1 s.n. Sierra Tahoe National Forest. Along Pacific Crest Trail just after the trail goes from the east side of the crest to the west side of the crest. 2270 Comment
  RSA515708  Solanum umbelliferum B. Pitzer, S. Morgan, H. M. Soldan 1988-5-29 641 Sierra Tahow National Forest. 1.3 mi. W of Sierra City on Hwy 49. 1250 Comment
  CAS-BOT-BC157389  Solanum umbelliferum C. Best 1982-7-12 737 Sierra Herrington's, Sierra City 1219 Comment
  CAS-BOT-BC364890  Solidago W. Harnach; N. Harnach 1990-8-17 509 Sierra Sierra Valley. Strang Ranch (Elvers back 80) 1524 Comment
  UCR257804  Solidago canadensis subsp. elongata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19514 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  CAS-BOT-BC365546  Solidago elongata Catherine Best 1983-8-29 887 Sierra Along the road to Gold Lake 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
  CAS-BOT-BC365549  Solidago elongata George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  JEPS102368  Solidago elongata Lowell Ahart 2001-8-10 9105 Sierra about 5 air miles E of Webber Lake (about 200 ft SW of diversion dam on Little Truckee River, 100 yds S of Fiberboard Road (FSR 18), about 1/8 mi N of Henness Pass Road) 1920 Comment
  JEPS107591  Solidago elongata Lowell Ahart 2005-8-30 12339 Sierra On the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2032 Comment
  UC54117  Solidago elongata H. M. Hall and E. B. Babcock July 1903 4480 Sierra Sierra Valley Sierra Nevada Mountains, Sierra Valley 1524 Comment
  CAS-BOT-BC365759  Solidago spectabilis W. R. Dudley 1909-8-29 s.n. Sierra Sierra Valley Comment
  JEPS32383  Solidago spectabilis W. L. Jepson 1934-8-7 16868 Sierra Cold Creek near Sierraville Comment
  SEINET8655761 Image available Solidago velutina subsp. californica W. Harnach 2014-8-27 1394 Sierra Townsite of Calpine behind 208 Coates Ave. 1525 Comment
  UC1128687  Sorbus californica C. G. Albertus 1935-9-11 282 Sierra 1.05 mi sw of Sawmill; Tahoe National Forest 1981 Comment
  SJSU10217  Sorbus scopulina C. W. Sharsmith 1983-6-8 8798 Sierra midway between Marvin Ranch Rd & Scales 1341 Comment
  RSA286319  Sparganium angustifolium Robert F. Thorne 1974-7-30 45061 Sierra Tahoe National Forest: Goose, Haven, and Snag Lake area. 2058 Comment
  UC813823  Sparganium angustifolium W. R. Dudley 1894-9-1 Sierra near Webber Lake (Lake of the Woods); Lake of the Woods Comment
  UCD94844  Sparganium emersum Malcolm A. Knobs; S. Galen Smith 1949-8-20 1498 Sierra Ca. 1/2 mile W of Loyalton, on road to Sierraville, Sierra Valley. Comment
  JEPS78092  Sparganium natans Gary W. Zamzow 1972-6-28 41 Sierra 7 mi n Hobart Mills (on Highway 89, Kyburz Flat); Kyburz Flat 1828 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
  CAS-BOT-BC374769  Sphaeromeria potentilloides var. potentilloides Lemmon 1881-8-1 s.n. Sierra Sierra Val. Comment
  UC1046284  Sphenosciadium capitellatum L. Constance, R. Bacigalupi, and E. Nasir 1953-9-9 3473 Sierra Forest opening 4 mi s Webber (between Webber and Meadow Lakes) 2133 Comment
  RSA252502  Spiraea densiflora Robert F. Thorne, C. W. Tilforth 1969-9-6 39218 Sierra N margin of Gold Lake. 1951 Comment
  SEINET11936037  Spraguea umbellata F. H. Utech 1990-1 90 -872 Sierra Tahoe National Forest, Pliocene Ridge, ca 0.5 mi W of Pliocene Station on Ridge Road 1400 Comment
  UCR257744  Stachys ajugoides var. rigida George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19444 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
  POM148093  Stachys rigida subsp. rivularis George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  SEINET8884603  Stellaria longipes W. Harnach, N. Harnach 1990-6-6 339 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  CAS-BOT-BC391215  Stellaria longipes subsp. longipes Lin Grayson 1981-5-16 050 Sierra Intersection of Hwy 49 & Gold Lake Rd. 1666 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
  JEPS51123  Stellaria longipes var. longipes W. L. Jepson 1934-8-6 16856 Sierra Yuba Pass 2011 Comment
  UC1561955  Stellaria longipes var. longipes Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7208 Sierra ca 12 air mi n Truckee (ca 1.5 mi e of Hwy 89 on Tahoe Nat'l. For. Rd. S450, Kyburz Flat, head of Little Truckee River); Kyburz Flat, Little Truckee River 1920 Comment
  JEPS88146  Stellaria obtusa Lowell Ahart 1996-7-25 7696 Sierra ca. 2 mi. w. Webber lake (e. side of small stream, s. of Old Henness Pass Rd., just w. of French Meadow) 1950 Comment
  CAS-BOT-BC398279  Stellaria umbellata John Thomas Howell 1969-9-13 46123 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CAS-BOT-BC375575  Stephanomeria lactucina John Thomas Howell 1969-9-13 46103 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CHSC66787  Stephanomeria lactucina Vernon H. Oswald; Lowell Ahart 1996-8-19 8209 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1 mi S of Long Valley Creek, 2.3 mi S of the road to Bassetts. Roadside. 2225 Comment
  UC53889  Stephanomeria lactucina H. M. Hall and E. B. Babcock July 1903 4520 Sierra e side Yuba Pass; Sierra Nevada Mountains, Yuba Pass 1676 Comment
  CAS-BOT-BC375576  Stephanomeria lactucina Clare B. Hardham 1985-7-31 30113 Sierra West side Yuba Pass 1767 Comment
  RSA128548  Stephanomeria spinosa N. A. Overgaard, T. C. Fuller 1959-7-2 2720 Sierra Alex Guidici ranch, Loyalton Comment
  SEINET8076875  Stipa exigua P. A. Lehenbauer 1937-6-8 57 Sierra 25 miles W of Reno, Nevada, on Truckee River at Iceland, S side of river, near falls. 1676 Comment
  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
  SEINET8082364  Stipa thurberiana P. A. Lehenbauer 1937-6-8 69 Sierra 25 miles west of Reno on Truckee Road at Iceland, on south side of river by falls. 1676 Comment
  UC117365  Streptanthus farnsworthianus J. G. Lemmon 1874-1 Sierra Comment
  RSA718447  Streptanthus polygaloides L. Ahart 2006-6-21 12807 Sierra On the W side of the Foote Road, about 3.7 miles (by road) SW of Alleghany. 1094 Comment
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Jun 21 2014
  CAS-BOT-BC87420  Streptanthus polygaloides R. C. Barneby; John Thomas Howell 1954-5-12 11477 Sierra 4 miles west of Downieville. 807 Comment
  CAS-BOT-BC87422  Streptanthus polygaloides Herbert L. Mason 1959-5-24 14899 Sierra In canyon of north fork of the Yuba River, exactly opposite Goodyears Bar (above north bank of river). 853 Comment
  CAS-BOT-BC87423  Streptanthus polygaloides Robin Roberts 1983-5-15 90 Sierra Goodyear's Bar, on Highway 49, 3 miles west of Downieville. 500 Comment
  SJSU8321  Streptanthus polygaloides C. L. Kline 1965-6-29 104 Sierra Goodyears Bar c. 4.5 mi W of Downieville, c. 0.5 mi S of State Hwy 49 833 Comment
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Jun 21 2014
  SJSU8351  Streptanthus polygaloides W. Savage 1965-7-29 441 Sierra 0.25 mi N of Goodyears Bar at junction with State Hwy 49 833 Comment
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Jun 21 2014
  JEPS125688  Streptanthus purpureus William Harnach 2013-4-25 1314 Sierra 1.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  UCR54443  Streptanthus purpureus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 0868 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
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Jun 21 2014
  RSA429546  Streptanthus tortuosus Robert Gustafson 1984-5-15 2943 Sierra Near Convict Flat turnoff on Hwy 49, on N side of Hwy. 854 Comment
  UC3388284  Streptanthus tortuosus var. orbiculatus unknown 1889-6-6 Sierra Gold Lake Comment
  CHSC94128  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 Gibsonville. 1901 Comment
  SJSU12278  Stuckenia filiformis N. A. Hopkins 1976-9-17 Sierra Packer Lake 1889 Comment
  CAS-BOT-BC48051  Styrax redivivus Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  UCD40232  Symphoricarpos acutus Rodney Gale Myatt 1972-6-1 1569 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  SJSU15154  Symphoricarpos mollis N. A. Hopkins 1993-7-26 1735 Sierra Sierra Valley Comment
  SEINET8071530  Symphoricarpos oreophilus P. B. Kennedy, S. B. Doten 1901-7-8 110 Sierra Webber Lake. 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-BC494100  Symphyotrichum ascendens William Harnach 2000-9-9 1006 Sierra Sierra Valley. 1 mi E of Calpine, and 0.75 mi N of Calpine Rd (home) 1502 Comment
  CAS-BOT-BC97578  Symphyotrichum ascendens Rimo Bacigalupi; L. Constance; E. Nasir 1953-9-9 4354 Sierra roadside, Sierraville 1417 Comment
  UC1999915  Symphyotrichum ascendens J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-13 9323 Sierra Yuba Pass Road, about 2.5 km from Nichol Mill Road. Comment
  CAS-BOT-BC99012  Symphyotrichum eatonii Carl B. Wolf 1937-8-6 9050 Sierra Northern Sierra Nevada, No. Fork of Yuba River, 5 mi. above Downieville 1066 Comment
  CAS-BOT-BC99013  Symphyotrichum eatonii Carl B. Wolf 1937-8-6 9050 Sierra Northern Sierra Nevada, No. Fork of Yuba River, 5 mi. above Downieville 1066 Comment
  CAS-BOT-BC98426  Symphyotrichum spathulatum Mrs. E. C. Sutliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC98427  Symphyotrichum spathulatum George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  UC1609305  Symphyotrichum spathulatum Lowell Ahart 1993-9-10 7224 Sierra e side of county road about 1/2 mi n Gibsonville (w side of meadow) 1676 Comment
  SJSU12247  Symphyotrichum spathulatum N. A. Hopkins 1982-8-22 1115 Sierra 1 mi S of Calpine 1524 Comment
  UCD35534  Tanacetum vulgare Beecher Crampton 1957-7-24 4425 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  UCR240886  Taraxacum officinale George K. Helmkamp, E. A. Helmkamp 2011-6-9 17546 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
  UCD67362  Taraxacum officinale Carrie Sloan 1992-4-26 12 Sierra Sierra City, 5 yds. From Rte. 49 in vacant open lot, near small stream, lot, growing on flat land. 1280 Comment
  UC196107  Taraxia subacaulis C. F. Sonne June 1887 Sierra Little Truckee River Comment
  CDA11880  Taraxia tanacetifolia G. F. Hrusa, J. Jokerst 1991-7-5 8541 A Sierra Sierra Valley Region; in bottom of Antelope Valley. Comment
  JEPS31728  Taraxia tanacetifolia J. G. Lemmon July, 1874 Sierra Sierra Valley Comment
  CDA37989  Taraxia tanacetifolia T. C. Fuller 1962-6-14 9010 Sierra Highway 49 to Sierraville, 0.6 mile west of Loyalton. 0 Comment
  UC1134370  Taxus brevifolia A. Lewis 1934-8-22 531 Sierra 2 mi sw Bald Top; Tahoe National Forest, Downieville Quad. 1371 Comment
  UC1134371  Taxus brevifolia G. Burks 1933-8-1 17 Sierra 2 mi e Oak Valley; Tahoe National Forest, Smartsville Quad. 1158 Comment
  JEPS125694  Tellima grandiflora William Harnach 2013-5-1 1334 Sierra Goodyears Bar. 1.14 miles South of Highway 49 on Mountain House Road. Comment
  SEINET12217520  Tellima grandiflora F. H. Utech 1990-1 90 -874 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  SEINET12221189  Tellima grandiflora J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  UCD22405  Tetradymia canescens L. Allen, A. M. Shapiro 2001-8-1 s.n. Sierra Wallace (Torri) Ranch. About 1.5 miles NNE of Sierraville. 1493 Comment
  SEINET11800090  Tetradymia canescens J. G. Lemmon 1874-1 128 Sierra Sierra Co. & C Comment
  CAS-BOT-BC399683  Thalictrum fendleri Javier Penalosa 1962-6-20 2534 Sierra Little Truckee R. at Hwy. 89 1905 Comment
  POM203459  Thalictrum fendleri L. S. Rose 1934-7-14 34362 Sierra Gold Lake 1951 Comment
  UC334399  Thalictrum sparsiflorum unknown Sept. 1890 Sierra Webber Lake Comment
  SJSU12154  Thelypodium brachycarpum N. A. Hopkins 1972-6-13 454 Sierra c. 3 mi NNW of Loyalton, Sierra Valley 1524 Comment
  JEPS16742  Thelypodium crispum Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4283 Sierra from Calpine to Sierra Valley (along road to Beckwourth) 1463 Comment
  CAS-BOT-BC88143  Thlaspi arvense W. Harnach; N. Harnach 1990-4-22 270 Sierra Sierra Valley. Herriot Lane. 1493 Comment
  CAS-BOT-BC88145  Thlaspi arvense Arthur Chan 1981-5-16 88 Sierra 12.4 miles southeast of Sattley along the hot springs dirt road. 1828 Comment
  UCSB16084  Thlaspi arvense 1962-6-13 Sierra 1.5 miles north of Sierraville on State Highway 89 1524 Comment
  JEPS62171  Tofieldia occidentalis subsp. occidentalis W. L. Jepson 1934-8-2 16811 Sierra 2 mi E of Bassett station (Pioneer road station); North Fork Yuba River Comment
  SJSU14251  Torreyochloa pallida var. pauciflora N. A. Hopkins 1989-8-29 1582 Sierra by Coburn Lake, Berry Creek drainage 2255 Comment
  UCD93175  Torreyochloa pallida var. pauciflora Alan A. Beetle 1944-8-17 3054 Sierra 8 miles below Downieville. North fork of Yuba River. Comment
  CHSC59028  Triantha occidentalis subsp. occidentalis Lowell Ahart 1992-7-17 6791 Sierra East of the logging road, about 2 (air) miles east of Quartz Pont, about 6 (air) miles south-east of Downieville. 1706 Comment
  CAS-BOT-BC516460  Triantha occidentalis subsp. occidentalis Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Lusk Meadows