Search Results — 2000 specimen records retrieved (1329 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78005  Abies concolor Alice Eastwood 1918-4-7 6807 Sierra along road above north fork of Yuba river Comment
  JEPS47969  Abies concolor Platt 1906-1-1 Sierra Independence lake Comment
  CAS-BOT-BC78102  Abies magnifica H. Albert Barker 1926-7-3 43 Sierra Packer Lake 1981 Comment
  HSC1342  Abies magnifica R. G. Means 1962-6-22 32 Sierra Summit Campground, Yuba Pass, Hwy. 49 2043 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
  UC336721  Abies magnifica var. magnifica unknown 1889-6-18 Sierra Gold Lake Comment
Read comments
May 19 2012
  CAS-BOT-BC331042  Acer glabrum var. glabrum Catherine Best 1982-7-12 747 Sierra Sierra Nevada, above Packer's Lake in the direction of the Sierra Buttes 2011 Comment
  CHSC53026  Acer glabrum var. torreyi L. P. Janeway 1989-8-22 3624 Sierra Plumas National Forest. Midslope, NE-facing, between ridge and Hwy 89; near Sulphur Cr, ca 3 mi E of Haskell Pk. 1920 Comment
  JEPS125811  Acer macrophyllum William Harnach 2015-4-13 1399 Sierra 1.6 miles West of the Sierra City post office on Highway 49. Comment
  UCD117045  Acer macrophyllum P. B. Schultz 1967-6-30 32 Sierra 2 miles east of Downieville. 929 Comment
  JEPS124792 Image available Acer macrophyllum P. L. Billings 1965-7-12 53 Sierra Union Flat Campground east of Downieville on Hwy 49. Branch of Yuba River close by. Comment
  JEPS124793 Image available Acer macrophyllum G. R. Ostrander 1965-6-29 30 Sierra Union flat campground, Hiway 49. Comment
  JEPS124794 Image available Acer macrophyllum Dixie Funnell 1965-6-29 49 Sierra Union Flat Campground. Highway 49. Comment
  SEINET12237854  Acer macrophyllum F. H. Utech 1986-1 86 -055 Sierra Tahoe National Forest, Wild Plum Recreation Area, ca 2 mi E of Sierra City on CA 49 1350 Comment
  JEPS125646  Achillea millefolium Shuxiao Zhang 2015-7-8 007 Sierra On property south of Packer Lake and west of Tamarack Lakes, in Tahoe National Forest area. Comment
  SBBG25622  Achillea millefolium K. K. Muller 1963-8-15 1233 Sierra 3 mi N of Gold Lake on Gold Lake Rd between St Hwys 49 and 89 Comment
  UCD128295  Achillea millefolium Gerald Dickinson 1963-6-27 48 Sierra roadside ditch south of Sierraville, on state highway 89. 1524 Comment
  CAS-BOT-BC218721  Achnatherum diegoense Lowell Ahart 1977-7-31 1533 Sierra About 2 miles north of Scales 1400 Comment
  SEINET11679294  Achnatherum hymenoides J. G. Lemmon 1874-1 222 Sierra Sierra Co. &c. Comment
  CAS-BOT-BC210712  Achnatherum lemmonii John Thomas Howell; R. C. Barneby 1954-5-13 29542 Sierra North Fork Yuba River, 4 miles below Downieville 807 Comment
  CAS-BOT-BC210714  Achnatherum lemmonii David D. Keck 1944-7-8 5409 Sierra Sierra Valley, 1.5 miles N. of Sattley on Feather River road 1524 Comment
  CAS-BOT-BC210715  Achnatherum lemmonii David D. Keck 1944-7-8 5409 Sierra Sierra Valley, 1.5 mi. N. of Sattley, on Feather River Road 1524 Comment
  CHSC94134  Achnatherum lemmonii Lowell Ahart 2006-6-21 12808 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany. 1093 Comment
  JEPS29723  Achnatherum lemmonii Rimo Bacigalupi, and L. R. Heckard 1962-5-27 8479 Sierra 2 mi s Sierraville (at edge of valley floor); Sierra Valley 1615 Comment
  UC333559  Achnatherum lemmonii unknown Oct. 1890 5451 Sierra Sierra Valley Comment
Read comments
Jul 12 2007
  POM267989  Achnatherum lemmonii var. lemmonii D. D. Keck 1944-7-8 5409 Sierra Sierra Valley, 1.5 mi North of Sattley on Feather River road 1524 Comment
  CAS-BOT-BC216913  Achnatherum occidentale Lowell Ahart 1977-8-2 s.n. Sierra N side of Mount Fillmore 2000 Comment
  CHSC61899  Achnatherum occidentale subsp. californicum Lowell Ahart 1993-9-10 7194 Sierra On the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CHSC47678  Acmispon nevadensis Lowell Ahart 1989-8-16 6373 Sierra At Ahart Sheep Camp, about 1 miles north-west of Milton Reservoir. 1706 Comment
  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
  CAS-BOT-BC391496  Aconitum columbianum subsp. columbianum Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC391502  Aconitum columbianum subsp. columbianum H. Albert Barker 1926-7-1 3 Sierra South of Sierraville on road to Truckee 1828 Comment
  CAS-BOT-BC412902  Aconogonon davisiae A. R. Kruckeberg 1954-8-2 3682 Sierra Along trail to Sierra Buttes, 1/2 mile above upper Tamarack Lake 2438 Comment
  CHSC46022  Adiantum aleuticum Lowell Ahart 1976-5-22 1125 Sierra West of the water trough, along Goodyears Bar Road, south of Goodyears Bar. 914 Comment
  POM171907  Agave E. C. Jaeger 1930-5-1 s.n. Sierra Potosi Mtn, eastern Mohave Desert. Comment
  CAS-BOT-BC29384  Ageratina occidentalis J. T. Howell 1969-9-13 46105 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CHSC107898  Ageratina occidentalis L. P. Janeway 2011-9-15 10730 Sierra Northern High Sierra Nevada. Plumas National Forest; south slope of Mt. Etna; along the road to Johnsville (Road 900; Road 22N12X) 8.9 road km east of Quincy-La Porte road. Steep open south-facing rocky area below large rock outcrops, where the road crosses. 1923 Comment
  CHSC19716  Ageratina occidentalis Lowell Ahart 1974-9-6 Sierra Near Mt. Etna Section line 26 and 27 below Big Rocks, near La Porte, Calif. 1828 Comment
  CAS-BOT-BC29515  Agoseris Clare Butterworth Hardham 1961-6-15 7417 A Sierra South slopes, Yuba Pass Comment
  JEPS16741  Agoseris X dasycarpa Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4284 Sierra along road to Beckwourth Calpine; Sierra Valley 1463 Comment
  RSA151651  Agoseris glauca var. dasycephala Rimo Bacigalupi 1953-7-8 4284 Sierra Along road to Beckwourth, from Calpine, Sierra Valley 1463 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
  JEPS29720  Agoseris retrorsa Rimo Bacigalupi, and L. R. Heckard 1962-5-27 8477 Sierra on slopes just 2 mi s of, at edge of Sierra Valley Sierraville; Sierra Valley 1615 Comment
  CAS-BOT-BC13333  Agoseris retrorsa W. Harnach; N. Harnach 1989-6-28 191 Sierra Sierra Valley, Calpine Ranch (home) 1505 Comment
  JEPS125823  Agropyron cristatum subsp. pectinatum William Harnach 2013-6-8 1365 Sierra Long Valley Road and Highway 395 at the California state line (just North of Bordertown, NV). Comment
  CHSC81076  Agropyron desertorum Lowell Ahart 2001-8-10 9081 Sierra On the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  JEPS102755  Agropyron desertorum Lowell Ahart 2001-8-10 9081 Sierra On the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  SJSU13923  Agrostis capillaris N. A. Hopkins 1984-8-5 1231 Sierra Chapman Saddle Rd. 1767 Comment
  CAS-BOT-BC127389  Agrostis exarata Gordon H. True 1971-9-7 7035 Sierra Stringer on slope west of large meadow in Cold Stream Canyon ca. 3.5 miles south of Perazzo meadows. 2377 Comment
  UCD35539  Agrostis exarata Beecher Crampton 1957-7-24 4404 Sierra 3 miles northeast of Sattley. Sierra Valley. Comment
  UCD52405  Agrostis exarata A. A. Beetle 1944-8-17 3050 Sierra 5 miles northeast of Sierraville, above north fork of Yuba River. 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
  CHSC61934  Agrostis idahoensis Lowell Ahart 1993-9-24 7244 Sierra On the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 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
  SEINET4341074  Agrostis idahoensis P. B. Kennedy 1901-7-19 195 Sierra West of Lincoln valley Comment
  CAS-BOT-BC139092  Agrostis pallens Lowell Ahart 1982-7-28 3709 Sierra Sierra Nevada. Near the water ditch, ca. 1/8 mile north of the Pacific Mine, ca. 5 miles east of La Porte. 1700 Comment
  CHSC110665  Agrostis pallens L. P. Janeway; Tim Hanson, Emily Meigs 2013-8-22 11195 Sierra Northern High Sierra Nevada. Plumas National Forest; head of drainage and meadow in the north-facing bowl near top of Mt Fillmore; an unnamed southeastern branch of East Branch Slate Creek. 2208 Comment
  UCD53204  Agrostis pallens G. T. Nordstrom 1936-7-22 945 Sierra 1 mile S.E. of Sawmill. 1767 Comment
  JEPS122440  Agrostis scabra L. P. Janeway 2014-6-17 11392 Sierra Northern High Sierra Nevada. Plumas National Forest; on the old mining tailings of Poverty Hill, between Gold Run Creek and Slate Creek. Quad: American House 7.5'. Comment
  CHSC60565  Agrostis variabilis L. P. Janeway 1984-8-18 1019 Sierra Second meadow southeast of the second switchback down the road from Packers Saddle towards Packer Lake. 1981 Comment
  CHSC61938  Agrostis variabilis Lowell Ahart 1993-9-24 7249 Sierra On the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CAS-BOT-BC131962  Allium W. Harnach; N. Harnach 1989-4-8 014 Sierra Sierra Valley. Calpine Ranch (home) 1508 Comment
  CAS-BOT-BC131964  Allium W. Harnach; N. Harnach 1990-5-28 334 Sierra Sierra Valley. Balderson Ranch (Antelope Valley) 1554 Comment
  HSC97063  Allium campanulatum L. Ahart 2006-6-28 12871 Sierra 3/4 mi. E of Lake Delahunty, 2 mi. NE of Gibsonville 1784 Comment
  SD61108  Allium campanulatum Darley F. Howe 1964-7-28 3885 Sierra 5.5 miles south of Gold Lake Lodge, Tahoe National Forest. 1829 Comment
  UCR571  Allium campanulatum Frank C. Vasek 1955-6-26 275 Sierra Sierra Nevada Mtns., Hwy 89, 15 mi. north of Truckee, Tahoe National Forest 2000 Comment
  SEINET8467055 Image available Allium campanulatum J. A. Ewan 1934-6-26 8261 Sierra Sierra Nevada. Gold Lake Rd 1829 Comment
  SJSU4983  Allium campanulatum N. A. Hopkins 1968-6-30 137 Sierra near Packer Lake 1889 Comment
  UCD21007  Allium campanulatum E. Bortiri 2002-7-2 WFC 55 Sierra Packsaddle Campground, Lakes Basin. Comment
  CAS-BOT-BC472754  Allium lemmonii John Thomas Howell; R. C. Barneby 1954-5-14 29548 Sierra Sierra Valley, between Sierraville and Loyalton 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
  SJSU6441  Allium lemmonii N. A. Hopkins 1971-6-14 381 Sierra 1 mi E of Sierraville, Sierra Valley 1524 Comment
  CAS-BOT-BC474285  Allium obtusum var. obtusum Anna Head 1921-6-25 s.n. Sierra Gold Lake Meadows 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
  SEINET8122896  Allium parvum K. R. Genz 1979-5-23 9108 Sierra Turning south at forest boundary and Long Valley Road, travel Mitchell Canyon Road for 2.3 miles. 1817 Comment
  SJSU9816  Allium parvum C. W. Sharsmith 1982-5-30 8667 Sierra 2 mi N of Sattley on Sattley Beckwourth Rd, Sierra Valley 1524 Comment
  CHSC110272  Allium platycaule L. P. Janeway 2012-6-24 10902 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
  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
  HSC96845  Allium platycaule L. Ahart 2006-6-28 12872 Sierra 3/4 mi. E of Lake Delahunty, 2 mi. NE of Gibsonville 1784 Comment
  CAS-BOT-BC131965  Allium tribracteatum John Thomas Howell; Gordon H. True 1970-7-14 5494 Sierra West side of Dog Valley ca. 5 miles northwest of Verdi (Nevada) 1889 Comment
  CAS-BOT-BC171387  Alnus incana subsp. tenuifolia H. Albert Barker 1926-7-2 53 Sierra Packer Lake Creek 1950 Comment
  CAS-BOT-BC171391  Alnus incana subsp. tenuifolia Mrs. E. C. Suttiffe 1926-10-16 s.n. Sierra Salmon Lake Comment
  CHSC52800  Alnus incana subsp. tenuifolia L. P. Janeway 1984-8-18 1025 Sierra Near mdw; near second switchback (toward SE) down from Packers Saddle. 1981 Comment
  RSA233756  Alnus incana subsp. tenuifolia R. F. Thorne, C. W. Tilforth 1969-9-6 39196 Sierra Moist margin of Haven Lake (between Goose and Snag Lakes) 1951 Comment
  SBBG28463  Alnus incana subsp. tenuifolia L. S. Rose 1934-7-14 34361 Sierra Gold Lake 1950 Comment
  JEPS124702 Image available Alnus incana subsp. tenuifolia N. L. Rechen 1964-6-25 61 Sierra Comment
  UC847454  Alnus rhombifolia Alice Eastwood 1918-4-6 6767 Sierra Downieville Comment
  UC1146689  Alopecurus aequalis Freed W. Hoffman 1946-6-11 1832 Sierra Sierra Valley Comment
  UC1562438  Alopecurus aequalis Lowell Ahart 1990-6-29 6531 Sierra on bottom of Poverty Hill Mine (hydraulic mine) 1524 Comment
  UC578619  Alopecurus aequalis E. Sawyer 1935-6-28 252 Sierra 1 12/ mi. s.-s.e. of Sattley; Sierraville Quad. 1493 Comment
  JEPS102639  Amaranthus californicus Lowell Ahart 2001-8-10 9076 Sierra Strand of Stampede Reservoir, about 1 mile SW of Henness Pass Road, about 1 1/4 miles NW of the Stampede Reservoir Dam. 1810 Comment
  RSA232654  Amelanchier pallida Larry E. DeBuhr 1972-5-21 583 Sierra Tahoe National Forest; along Hwy. 49 east of Sierra City. 1524 Comment
  CAS-BOT-BC136870  Amelanchier utahensis H. Albert Barker 1926-7-16 232 x Sierra Gold Lake - First Island Comment
  UC1515789  Amelanchier utahensis Baki Kasapligil 1959-5-24 3134 Sierra Sand Lake Comment
  SEINET7286432  Amelanchier utahensis K. E. Bradshaw 1942-5-21 425 Sierra 3 miles sw of Purdy, old Trosi Ranch 1707 Comment
  CAS-BOT-BC45080  Anaphalis margaritacea H. Albert Barker 1926-7-16 127 Sierra Gold Lake, first island. 1953 Comment
  SJSU14468  Anaphalis margaritacea N. A. Hopkins 1990-8-21 1630 Sierra c. 1.5 mi SSW of Calpine 1554 Comment
  CHSC32076  Anemone drummondii L. Ahart 1975-6-28 822 Sierra 2 mi e of Gibsonville. 1981 Comment
  SEINET12080669  Anemone drummondii Unknown 1975-1 821 Sierra 2 mi E of Gibsonville, about 10 mi NE of La Porte, Red Fir Forest 1981 Comment
  SEINET5337582  Anemone tuberosa M. Humphreys 1950-4-30 14 Sierra 1 mile north of Downieville. 914 Comment
  CHSC45533  Angelica breweri L. P. Janeway 1984-8-12 997 Sierra Ridgetop just south of Packer Saddle. 2148 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
  SJSU12084  Antennaria argentea N. A. Hopkins 1979-6-9 950 Sierra c. 3 mi NW of Sattley 1524 Comment
  SEINET6755218 Image available Antennaria luzuloides W. Harnach, N. Harnach 1990-6-10 350 Sierra Sierra Valley, W of Loyalton, Balderson Ranch (Antelope Valley) 1509 Comment
  SEINET6755251 Image available Antennaria luzuloides W. Harnach, N. Harnach 1989-6-4 125 Sierra Sierra Valley, E of Calpine, Calpine Ranch 1506 Comment
  SEINET10615061 Image available Antennaria luzuloides John G. Lemmon 1874-1 Lemmon 112 Sierra Comment
  NY158263  Antennaria microcephala J. G. Lemmon 1874-1 112 Sierra 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
  SJSU11487  Antirrhinum vexillocalyculatum subsp. breweri M. D. Fleschner 1965-6-24 Sierra near Goodyears Bar, 8 mi W of Downieville on State Rte 49 833 Comment
  SJSU14066  Antirrhinum vexillocalyculatum subsp. breweri W. Savage 1964-6-25 331 Sierra near Goodyears Bar, 8 mi W of Downieville 833 Comment
  JEPS83334  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-22 381 A Sierra 0.4 mi w center of bridge over Downie River, Downieville (n side of road); Downieville, Downieville Quad. (7.5', 1951) 902 Comment
  JEPS95115  Antirrhinum vexillocalyculatum subsp. intermedium Vernon Oswald and Lowell Ahart 1997-8-19 8834 Sierra 5.3 mi. s.w. Alleghany (Footes Crossing Rd. (County Rd. 191) on n. side of Middle Fork Yuba River); Middle Fork Yuba River 1066 Comment
  RSA21695  Antirrhinum vexillocalyculatum subsp. intermedium Carl B. Wolf 1937-8-6 9055 Sierra Northern Sierra Nevada. No. Fork of Yuba River, 5 mi. above Downieville. 1067 Comment
  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
  UC1123465  Apocynum androsaemifolium H. S. Yates 1935-6-29 5296 Sierra 2 mi. s.e. Lower Salmon Lake; Tahoe Nat'l Forest, Downieville Quad. Comment
  UC1123480  Apocynum androsaemifolium G. T. Nordstrom 1936-7-14 939 Sierra 2.8 mi. n.w. Dog Valley; Tahoe Nat'l Forest, Sierraville Quad. Comment
  UC1125885  Aquilegia formosa G. T. Nordstrom 1936-7-9 928 Sierra 2 mi nw Dog Valley; Sierraville quad., Tahoe National Forest 1981 Comment
  SEINET5337626  Aquilegia formosa var. formosa P. A. Lehenbauer 1937-6-8 123 Sierra 25 miles west of Reno, on Truckee River, at Iceland, on south side of river by falls. 1676 Comment
  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
  SEINET5340836  Arabis sparsiflora var. sparsiflora P. A. Lehenbauer 1937-6-8 98 Sierra South side of Truckee River, at Iceland. 1676 Comment
  CDA38200  Aralia californica Doris V. Leiser 1961-10-21 s.n. Sierra Vicinity of Downieville. 0 Comment
  SEINET10906770  Aralia californica Mary Susan Taylor, R. Wessel 1982-8-20 Taylor 5028 Sierra T19N R9E se sec 19. Camptonville quad. At creek crossing Hwy 49, at Indian Hill loop, ca. 4 mi ne of Camptonville. Riparian at base of cliff; 3100 ft. 945 Comment
  JEPS125808  Arbutus menziesii William Harnach 2015-3-25 1397 Sierra 2.05 miles North of the Yuba-Sierra Co. line on Highway 49. Comment
  CAS-BOT-BC407705  Arceuthobium americanum Mrs. E. C. Sutliffe 1926-10-16 s.n. Sierra Salmon Lake Comment
  UC336861  Arceuthobium americanum unknown Sierra Webber Lake 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-BC45426  Arctostaphylos nevadensis Elmer I. Applegate 1921-9-7 3368 Sierra Gold Lake. Comment
  CAS-BOT-BC45430  Arctostaphylos nevadensis George Haley 1927-8-6 s.n. Sierra Webber Lake. Comment
  CAS-BOT-BC45472  Arctostaphylos nevadensis Lewis S. Rose 1934-7-21 34398 Sierra Gold Lake. 1950 Comment
  POM202946  Arctostaphylos nevadensis L. S. Rose 1934-7-21 34398 Sierra Gold Lake. 1951 Comment
  RSA212198  Arctostaphylos nevadensis L. S. Rose 1969-6-25 69055 Sierra Gold Lake. 1951 Comment
  UC876438  Arctostaphylos nevadensis Lewis S. Rose 1934-7-21 34398 Sierra Gold Lake 1950 Comment
  SEINET11995484  Arctostaphylos nevadensis Unknown 1988-1 s.n. Sierra near Sardine Lake 1890 Comment
  SEINET12524600 Image available Arctostaphylos nevadensis L. S. Rose 1934-1 34398 Sierra Gold lake. 1951 Comment
  CAS-BOT-BC46502  Arctostaphylos patula Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen. Comment
  CAS-BOT-BC46505  Arctostaphylos patula Albert H Barker 1926-7-11 120 Sierra Gold Lake to Blairsdeu Grade. 1828 Comment
  CAS-BOT-BC46506  Arctostaphylos patula Mrs. S. G. Suttiffe 1919-8-1 s.n. Sierra Gold Lake. Comment
  CAS-BOT-BC46549  Arctostaphylos patula Gordon H. True 1964-5-20 1425 Sierra Chalk Bluff Rd. on C Bridge about 2 mi. s. of Nevada City - Yuba Gap Hiway. 1371 Comment
  CAS-BOT-BC46550  Arctostaphylos patula Gordon H. True 1964-5-20 1412 Sierra Chalk Bluff Rd. on Chalk Bluff Ridge about 2 mi. s. of Nevada City - Yuba Gap Hiway. 1371 Comment
  JEPS114619  Arctostaphylos patula Lowell Ahart 2008-6-4 14809 Sierra On the north side of Forest Road 98, about 2 miles (air) northeast of Harris Meadow, about 9 1/2 miles (air) northeast of Alleghany 1906 Comment
  UC567034  Arctostaphylos patula G. E. Sindel 1934-7-31 80 Sierra 3 1/4 mi n Meadow Lake; Truckee Quadrangle 2240 Comment
  UCD15412  Arctostaphylos patula Lorraine Prunier 1982-5-22 25 Sierra California, Sierra Co.; 9.8 mi W of Sierra City on Hwy 49; Comment
  SEINET7263419  Arctostaphylos patula G. Gifford 1980-6-7 s.n. Sierra [Sierra Nevada] Sierra Buttes along Tamarack Lake to Sardine Lakes trail, upon the ridge of the summit Comment
  SEINET7263469  Arctostaphylos patula P. Lehenbauer 1926-3-14 1316 Sierra [Sierra Nevada] Dog Valley Grade Comment
  SEINET7266034  Arctostaphylos patula D. Solari 1941-4-20 25 Sierra About 1 mile up Dog Valley grade, NW of Verdi 1676 Comment
  SEINET7266303  Arctostaphylos patula K. E. Bradshaw 1942-5-20 416 Sierra 3 1/2 miles southwest of Purdy, on old Trosi Ranch 1737 Comment
  CAS-BOT-BC45332  Arctostaphylos viscida subsp. viscida Alice Eastwood 1918-4-6 6773 Sierra Downieville Comment
  UC64872  Arenaria congesta var. suffrutescens H. M. Hall and E. B. Babcock 1903-7-1 4509 Sierra Sierra Nevada Mountains, Gold Lake 1950 Comment
  UCR54441  Arenaria douglasii B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 0877 Sierra Sierra Nevada Mtns, above Ramshorn Campground on Hwy 49, c. 15 miles NE of Comptonville and c. 5 mi. west of Downieville 823 Comment
  CAS-BOT-BC384752  Arenaria serpyllifolia var. serpyllifolia Catherine Best 1982-7-12 738 Sierra Herrington's, Sierra City 1219 Comment
  CAS-BOT-BC401664  Argemone munita subsp. munita W. Harnach; N. Harnach 1991-7-24 655 Sierra Sierra Valley. Lemon Canyon road, approx 1 1/2 miles east of Hwy 49 1524 Comment
  SEINET8756239  Argemone munita var. rotundata W. Harnach, N. Harnach 1991-7-24 655 Sierra Sierra Valley, Sierraville, Lemmon Canyon road, ca 1.5 miles E of Hwy 49. 1524 Comment
  CAS-BOT-BC82091  Arnica W. R. Dudley 1894-8-31 s.n. Sierra Near Webber Lake Comment
  CAS-BOT-BC82241  Arnica chamissonis Alice Eastwood 1918-6-29 7817 Sierra Loyalton Comment
  CHSC57252  Arnica chamissonis L. P. Janeway 1984-9-15 1154 Sierra Northwest-facing slope above upper Tamarack Lake. 2225 Comment
  JEPS16713  Arnica chamissonis Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4267 Sierra near Calpine; Sierra Valley 1493 Comment
  SEINET11265580  Arnica chamissonis Tim Kuhn 2006-7-31 43 Sierra Truckee Ranger District.; 0 Comment
  SEINET6774966 Image available Arnica chamissonis W. Harnach, N. Harnach 1991-7-4 617 Sierra Sierra Valley, 0.25 miles S of Sattley, Martinetti Ranch (the fenced bog hole) 1512 Comment
  UCD107497  Arnica chamissonis Tim Kuhn 2006-7-31 43 Sierra Truckee Ranger District. Comment
  UCD84134  Arnica chamissonis Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  CHSC52928  Arnica dealbata L. P. Janeway 1989-7-28 3536 Sierra Plumas National Forest. Flank of Haskell Pk overlooking hwy 89 and Sulphur Cr. 2179 Comment
  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
  UC335905  Arnica dealbata J. G. Lemmon Sierra Mt. Lyell to Lassen Peak; Downieville Buttes Comment
  CDA10126  Arnica longifolia subsp. myriadenia R. F. Wilkey 1960-7-3 Sierra Along Little Truckee River, Webber Lake. 0 Comment
  SEINET6775085 Image available Arnica mollis W. Harnach 2004-7-10 1196 Sierra Approximately 25 miles northeast of the intersection of the Chapman Saddle Rd. with the Beartrap Meadows Rd. (Four Corners) 2042 Comment
  UCSB27063  Arnica nevadensis 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
  JEPS113941  Arnica nevadensis W. and N. Harnach 2000-7-9 941 Sierra Chapman Saddle road 1/4 mile east of intersection of Lunch Creek road. Comment
  UCD129143  Arnica sororia K. M. Meyer; A. Townesmith 2007-7-15 119 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  CAS-BOT-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
  CAS-BOT-BC90107  Artemisia arbuscula subsp. arbuscula John Thomas Howell 1962-6-18 37825 Sierra Sierra Valley, 2.5 mi. n. of Sattley 1524 Comment
  UC1119391  Artemisia arbuscula subsp. arbuscula A. Lewis 1934-11-7 546 Sierra 4 mi w of Loyalton; Tahoe National Forest, Sierraville Quadrangle 1493 Comment
  CHSC59671  Artemisia douglasiana L. P. Janeway 1992-9-15 4309 Sierra Plumas National Forest. Small fork of upper Big Boulder Creek about 1.75 mi north of Haskell Peak. 1935 Comment
  CAS-BOT-BC90468  Artemisia douglasiana L. P. Janeway 1992-9-15 4309 Sierra Small fork of upper Big Boulder Creek about 1.75 mi north of Haskell Peak. Clio quad. 1935 Comment
  UC334397  Artemisia douglasiana unknown 1890-10-1 Sierra Oleson's Ranch Sierra Valley Comment
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Jul 12 2007
  RSA122476  Artemisia dracunculus C. G. Albertus 1935-9-17 283 Sierra 2.5 miles N of Sierraville 1509 Comment
  SEINET7153371 Image available Artemisia nova R. Eckert 1963-7-23 ARS 7 Sierra North of Verdi, Nevada. Dog Valley Rd. 2134 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
  CHSC66791  Artemisia tridentata subsp. tridentata Vernon H. Oswald; Lowell Ahart 1996-8-19 8235 Sierra Northern High Sierra Nevada. Forest Rt. 07 E of Webber Lake, 0.5 mi E of the road to Lake of the Woods. 2042 Comment
  UC1119467  Artemisia tridentata subsp. tridentata A. Lewis 1934-10-3 537 Sierra 2 mi se Milton; Tahoe national Forest, Downieville Quadrangle Comment
  UC1119469  Artemisia tridentata subsp. tridentata C. G. Albertus 1935-9-20 284 Sierra 1 3/4 mi ese Sierraville; Sierraville Quadrangle Comment
  SEINET3358285 Image available Artemisia tridentata subsp. vaseyana A. A. Beetle 1957-8-15 12805 Sierra Truckee. Comment
  CAS-BOT-BC400626  Asarum hartwegii Alice Eastwood 1918-4-6 s.n. Sierra Downieville Comment
  SEINET12097902  Asarum hartwegii J. G. Lemmon 1874-1 s.n. Sierra No locality Comment
  CAS-BOT-BC222814  Asclepias W. Harnach; N. Harnach 1990-7-30 495 Sierra Sierra Valley. Intersection of Dotta Rd. and Cemetary Rd., Sierraville 1524 Comment
  HSC3299  Asclepias cordifolia R. Spellenberg 1964-6-14 388 Sierra 3 mi. W of Sierra City on Hwy. 49 Comment
  UC338856  Asclepias cordifolia Lemmon Sierra near B. F. L.; Sierra Valley Comment
  UCSB13238  Asclepias cordifolia 1962-6-13 Sierra Along State Highway 89, 3 miles south of Sierraville 1767 Comment
  SEINET7112340  Asclepias fascicularis W. Harnach, N. Harnach 1990-7-27 475 Sierra Sierra Valley, W of Loyalton, Antelope Valley, Tenneco mine site 1646 Comment
  SEINET10829529  Asclepias speciosa G. Sommers 1976-8-3 Sommers 457 Sierra 5 mi E of Yuba Pass along Highway 49 1829 Comment
  CAS-BOT-BC68825  Aspidotis densa George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  RSA86272  Aspidotis densa F. W. Peirson 1921-8-9 1511 Sierra South Fork of San Joaquin River 2515 Comment
  SJSU12067  Aspidotis densa N. A. Hopkins 1970-6-11 328 Sierra between Tamarack Lakes & Dugans Pond 1981 Comment
  CAS-BOT-BC99201  Aster Clare B. Hardham 1985-7-31 30110 Sierra Chapmand Creek, west side of Yuba Pass 1767 Comment
  CAS-BOT-BC99266  Aster W. Harnach; N. Harnach 1990-7-30 492 Sierra Sierra Valley - Hamlin Creek area 1569 Comment
  POM203496  Aster breweri L. S. Rose 1934-7-20 34395 Sierra Gold Lake 1951 Comment
  CAS-BOT-BC477892  Asteraceae W. R. Dudley 1894-9-1 s.n. Sierra In woods near Lake of the Woods. 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
  JEPS95455  Astragalus bolanderi Lowell Ahart 1994-7-1 7447 Sierra 7 1/2 air mi NE of Alleghany (on both sides of Henness Pass Road, at intersection of a logging road to Harris Meadow and Hennis Pass Road, about 2 mi SW of Middlewaters) 1950 Comment
  SEINET5324196  Astragalus gibbsii W. Harnach, N. Harnach 1990-5-28 332 Sierra Sierra Valley, W of Loyalton, Balderson Ranch (ANTELOPE VALLEY) 1554 Comment
  POM14580  Astragalus lentiginosus var. floribundus Alice Eastwood 1918-6-29 7928 Sierra Loyalton Comment
  UC82739  Astragalus pulsiferae J. G. Lemmon 1875-1 90 Sierra Comment
  RSA18872  Astragalus pulsiferae var. pulsiferae Marcus E. Jones 515 Sierra Long Valley Comment
  CAS-BOT-BC205795  Astragalus purshii James R. Shevock 1985-5-19 11143 Sierra Northern Sierra Nevada. Tahoe National Forest. Along California highway 89, 1.4 miles south of Sierraville and about 21 miles north of Interstate 80 1700 Comment
  SEINET7286300  Astragalus purshii var. tinctus K. E. Bradshaw 1942-5-20 413 Sierra 3 miles sw of Purdy, old Trosi Ranch 1676 Comment
  UC82738  Astragalus whitneyi J. G. Lemmon 1875-1 68 Sierra Comment
  UC1875014  Athyrium alpestre var. americanum Ruth Kirkpatrick 2005-7-20 1364 Sierra Near summit of Sierra Butte, below fire tower Comment
  UC336661  Athyrium distentifolium var. americanum J. G. Lemmon 1874-8-15 Sierra near Webber Lake (side of Mt Rose) Comment
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Sep 4 2010
  CAS-BOT-BC100043  Balsamorhiza hookeri Alice Eastwood 1918-6-29 7862 Sierra Loyalton Comment
  SEINET7239813 Image available Balsamorhiza hookeri var. neglecta P. A. Lehenbauer 1935-5-21 s.n. Sierra Balls Canyon Comment
  UCD129527  Balsamorhiza macrolepis T. Adams 1998-5-17 28 Sierra Antelope Valley, 2 miles down dirt road off Hwy 149. 1572 Comment
  UCD152714  Balsamorhiza macrolepis Grady L. Webster 1990-5-13 7729 Sierra gravelly flats in Sierra Valley, 0.5; mi W of Sierraville, elev. 4950 ft, T20N R14E sect; 13.; Common, assoc. with Lomatium nudicaule and Crepis 1508 Comment
  SEINET7239863 Image available Balsamorhiza sagittata W. Harnach, N. Harnach 1990-4-19 265 Sierra Approx 2.5 air miles NW of Calpine, Knuthson Meadows (commonly called Carman Valley) 1548 Comment
  CAS-BOT-BC100101  Balsamorhiza sagittata W. Harnach; N. Harnach 1990-4-19 265 Sierra Knuthson Meadows (commonly called Carman Valley) 1548 Comment
  CAS-BOT-BC16677  Barbarea orthoceras W. Harnach; N. Harnach 1990-5-7 286 Sierra Sierra Valley. Kirkpatrick Ranch. Along irrigation ditch. 1505 Comment
  CAS-BOT-BC16682  Barbarea orthoceras P. A. Lehenbauer 1937-6-8 96 a Sierra South side of Truckee River by falls, Iceland. 1676 Comment
  SEINET11193429  Barbarea orthoceras W. Harnach, N. Harnach 1989-4-22 038 Sierra Approx 1.2 miles S of the Calpine Rd./Co. Rd. A-23 intersection, Sattley transfer station (dump). 1497 Comment
  CAS-BOT-BC145793  Beckmannia W. Harnach; N. Harnach 1989-7-16 227 Sierra Sierra Valley. Sattley dump. 1493 Comment
  SACT000425  Beckmannia syzigachne Herbert Mason 1953-7-7 Sierra Sierra Valley; Common. 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
  UC121629  Beckmannia syzigachne J. G. Lemmon Sierra Sierra County Comment
  SBBG2295  Berberis aquifolium var. repens H. and M. Dearing 1939-5-9 3327 c Sierra Yuba River Comment
  CAS-BOT-BC75956  Berberis pumila Wm. Vortriede 1928-4-15 s.n. Sierra Downieville. Comment
  JEPS16044  Berula erecta J. G. Lemmon 1889-1 Sierra Sierra Valley Comment
  CAS-BOT-BC413062  Bistorta bistortoides R. K. Gierisch; D. H. Esplin 1969-6-25 3496 Sierra Tahoe National Forest. Anderson Mdw. Comment
  CAS-BOT-BC413065  Bistorta bistortoides Betty J. Jorgensen 1944-6-22 484 Sierra Along Little Truckee River, on road between Independence and Webber Lakes Comment
  CAS-BOT-BC413066  Bistorta bistortoides W. Harnach; N. Harnach 1989-5-20 103 Sierra Sierra Valley. Kirkpatrick Ranch (near the Sattley dump) 1498 Comment
  CAS-BOT-BC128023  Blepharipappus scaber E. B. Babcock; G. L. Stebbins, Jr. 1936-6-5 1723 Sierra Open valley flat, southeast edge of Sierra Valley, near junction of Smithneck and Bear Valley Creek, 2 miles south of Loyalton 1615 Comment
  UCD135638  Blepharipappus scaber Bruce G. Baldwin 1985-8-26 508 Sierra near Loyalton, 2.0 miles south of California State Highway 49 on Smithneck Road (0.2 mile south of Rancho Circle Drive). Comment
  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
  CHSC465  Boechera davidsonii V. Holt 1942-7-16 Sierra Mt. Elwell, Gold Lake. 2072 Comment
  CHSC47380  Boechera divaricarpa Lowell Ahart 1985-7-13 877 Sierra On a gravel bar along Pass Creek, in French Meadows, about 3 miles west and 1/2 mile south of Webber Lake. 2133 Comment
  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
  CHSC43810  Boechera suffrutescens Lowell Ahart 1979-7-15 1969 Sierra On a ridge on the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1828 Comment
  CSUSB945  Boykinia elata C. A. Lawler 1968-6-27 105 Sierra Highway 49, 4.8 miles east of Downieville; Elev. 2900 feet at foot of cut bank on north side of road, with water seepage into shallow ditch. 883 Comment
  CAS-BOT-BC418497  Boykinia occidentalis M. S. Taylor; R. Wessel 1982-8-20 5025 Sierra At creek crossing Hwy 49, at Indian Hill loop, ca. 4 air mi ne of Camptonville. 944 Comment
  SBBG120361  Boykinia occidentalis D. Wilken with E. Painter 2007-6-15 16743 Sierra near mouth of Mobile Ravine, along St Hwy 49, N of Yuba River, ca. 1.3 km WSW of China Flat 1000 Comment
  UCR230980  Boykinia occidentalis George K. Helmkamp, E. A. Helmkamp 2011-6-9 17534 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
  JEPS125709  Brickellia grandiflora William Harnach 2015-8-26 1442 Sierra Salmon Creek campground. Comment
  SEINET8655845 Image available Brickellia grandiflora W. Harnach 2015-8-26 1442 Sierra Salmon Creek Campground 1756 Comment
  JEPS118691  Brickellia greenei L. P. Janeway 2011-9-15 10733 Sierra Northern High Sierra Nevada. Plumas National Forest; just above the Slate Creek; along the road to Johnsonville (Road 900; Road 22N12X) 3.2 road km east of Quincy-La Porte Road; 0.7 km northeast of Delahunty Lake; Whiskey Diggings. Onion Valley 7.5' quad. Comment
  SEINET3884864  Brodiaea elegans Lewis S. Rose 1955-7-20 55166 Sierra 2 mi. s. of Calpine.; 0 1509 Comment
  CAS-BOT-BC484379  Brodiaea elegans subsp. elegans John Thomas Howell 1976-7-16 51925 Sierra Sierra Nevada, 2 miles north of Sattley 1524 Comment
  SEINET4345443  Bromus carinatus P. Lehenbauer 1937-6-8 68 Sierra 25 miles west of Reno on Truckee Road at Iceland, on south side of river by falls 1676 Comment
  CHSC94208  Bromus carinatus var. carinatus Lowell Ahart 2006-6-21 12797 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany. 849 Comment
  CAS-BOT-BC148758  Bromus carinatus var. marginatus Gordon H. True 1971-9-7 7037 Sierra In Cold Stream Canyon ca. 3.5 miles south of Perazzo Meadows. 2377 Comment
  CHSC37211  Bromus carinatus var. marginatus L. Ahart 1982-7-28 3711 Sierra On bottom of the water ditch, ca. 5 mi e of LaPorte. 1700 Comment
  CAS-BOT-BC155307  Bromus inermis John Thomas Howell 1962-6-18 37830 Sierra Sierra Nevada. Sattley. 1524 Comment
  CDA11881  Bromus inermis G. F. Hrusa, J. Jokerst 1991-7-5 8542 A Sierra Sierra Valley Region; Antelope Valley. Bottom of valley on W side. Comment
  CAS-BOT-BC155347  Bromus japonicus W. Harnach; N. Harnach 1991-6-21 563 Sierra Sierra Valley. Next to Railroad bridge east of Co. Rd. A-23. 1487 Comment
  CHSC94096  Bromus japonicus Lowell Ahart 2006-6-21 12823 Sierra On the north side of the road, about 2 miles (by road) west of Forest. 1329 Comment
  HSC97014  Bromus japonicus L. Ahart 2006-6-21 12823 Sierra N side of road, about 2 mi. W of forest 1330 Comment
  SEINET4404241  Bromus porteri W. Harnach, N. Harnach 1992-7-4 702 Sierra Sierra Valley, 3/4 miles South of Sattley, Martinetti Ranch, up Barry Creek 1524 Comment
  JEPS45871  Bromus racemosus L. S. Smith 1928-6-29 2430 b Sierra Tahoe National Forest, Onion Valley (inside fence) Sec. 4 Onion Valley; Tahoe National Forest, Onion Valley 1828 Comment
  CAS-BOT-BC185607  Bromus tectorum Gladys L. Smith 1959-6-20 1253 Sierra Plumas-Sierra county line, on Gold Lake to Feather River route. 1828 Comment
  CAS-BOT-BC185611  Bromus tectorum Lowell Ahart 1978-6-4 s.n. Sierra Sierra Nevada. 4 miles south of Alleghany. 1300 Comment
  SEINET4565447  Bromus tectorum W. Harnach, N. Harnach 1989-5-20 104 Sierra Sierra Valley, 0.5 miles east of Calpine on Calpine Road, Calpine Ranch (home). 1506 Comment
  JEPS124728 Image available Bromus tectorum G. R. Ostrander 1965-7-5 49 Sierra Calif hiway 89 12 miles N. of bridge over little Truckee River. Comment
  CHSC63186  Bulbostylis capillaris Lowell Ahart 1994-7-1 7438 Sierra South of the larger pond, steep rocky slope on the N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, about 1 1/2 mi NE of Middlewaters, about 11 mi (air) NE of Alleghany. 1889 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
  RSA39084  Calamagrostis canadensis P. A. Munz 1948-8-11 12333 Sierra edge of meadow, Carvin Creek, northeast of Sierra City on Highway 49 1738 Comment
  JEPS78149  Callitriche heterophylla var. bolanderi Gary W. Zamzow 1972-7-11 80 Sierra 7 mi n Hobart Mills (Highway 89, ne edge of Kyburz Flat); Kyburz Flat 1828 Comment
  POM181588  Callitriche heterophylla var. bolanderi Anonymous 1929-08 s.n. Sierra Sierra Valley. [county not specified] Comment
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Jun 13 2012
  SJSU13959  Callitriche palustris N. A. Hopkins 1986-8-23 1375 Sierra Summit L by Pacific Crest Trail 2438 Comment
  UCR88937  Callitriche verna Margaret Williams 1972-8-27 s.n. Sierra Near Worn Mill on Boca-Stampede Dam Road, 6.2 mi north of Boca. 1805 Comment
  CHSC43357  Calochortus coeruleus Lowell Ahart 1973-5-28 245 Sierra At the Port Wine Cemetery, west of the Port Wine Ridge Road, about 4 miles south-east of La Porte. 1524 Comment
  CHSC32049  Calochortus leichtlinii L. Ahart 1975-6-28 825 Sierra Ca. 2 mi e of Gibsonville. 1981 Comment
  UC593515  Calochortus leichtlinii E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1643 Sierra 0.5 mi ne Sattley (on Church ranch) Comment
  CAS-BOT-BC490237  Calochortus leichtlinii John Thomas Howell; Gordon H. True 1970-7-14 5551 Sierra Verdi Peak Road, 1 mile below Lookout. 2499 Comment
  SEINET12053902  Calochortus leichtlinii J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. Comment
  RSA490804  Calochortus monophyllus B. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 871 Sierra Above Ramshorn Campground, on Hwy 49, ca. 15 mi. NE of Camptonville and ca. 5 mi W of Downieville. 823 Comment
  RSA232652  Calochortus monophyllus Larry E. DeBuhr, Gary D. Wallace 1972-5-20 578 Sierra Sierra County: 5 miles W of Downieville along Hwy 49 Comment
  JEPS55209  Caltha biflora W. L. Jepson 1934-8-6 16860 Sierra Yuba Pass 2011 Comment
  UCD95565  Caltha leptosepala Kris Baldwin 1983-7-2 22 Sierra 10 miles west of Highway 89 on Henness Pass Road, then 1/4 mile south off the road. 2011 Comment
  JEPS84047  Calyptridium monospermum L. R. Heckard with Susan D'Alcamo 1986-6-6 6275 Sierra ca 2 mi n Sierra City; Sierra Valley 1450 Comment
  SEINET9106770  Calyptridium paniculatum W. Harnach, N. Harnach 1989-6-24 173 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (Elvers). 1518 Comment
  SBBG120352  Calyptridium umbellatum D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16752 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 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
  CAS-BOT-BC221219  Calystegia malacophylla subsp. malacophylla Catherine Best 1981-6-19 s.n. Sierra Herringtons, Sierra City Comment
  CHSC94171  Calystegia malacophylla subsp. malacophylla Lowell Ahart 2006-6-21 12824 Sierra On the north side of the road, about 2 miles (by road) west of Forest. 1329 Comment
  JEPS87606  Calystegia malacophylla subsp. malacophylla Lowell Ahart 1994-7-1 7442 Sierra about 11 mi (air) ne Alleghany (about 1 1/2 mi ne of Middlewaters, e of Keystone Mountain, at Keystone Gap, steep rocky slope on n side Henness Pass Road, n side lgr pond); e of Keystone Mountain, Keystone Gap, ne of Middlewaters 1889 Comment
  CHSC94116  Calystegia occidentalis subsp. occidentalis Lowell Ahart 2006-6-21 12796 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany. 849 Comment
  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
  CDA8367  Camassia quamash Tim Gibson 2008-6-3 PDR# 1409473 Sierra Sierraville 0 Comment
  CDA8375  Camassia quamash Tim Gibson 2008-6-3 PDR# 1409474 Sierra Sierraville 0 Comment
  UC640527  Camassia quamash subsp. breviflora Frank W. Gould 1938-6-25 438 Sierra 3 mi n of Sattley (Calpine); Calpine 1493 Comment
  CAS-BOT-BC497576  Camassia quamash subsp. breviflora Frank W. Gould 1940-6-25 437 Sierra Four miles south of Sierraville 1828 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
  SEINET8472129  Camassia quamash subsp. breviflora P. B. Kennedy, S. B. Doten 1901-7-11 149 Sierra Near Webber Lake. Comment
  UC337942  Camassia quamash subsp. breviflora J. G. Lemmon 1875-6-1 Sierra from Yosemite to Shasta (Sierra Valley); Sierra Valley Comment
  JEPS61545  Camassia quamash subsp. quamash Leland S. Smith 1925-5-21 1583 Sierra Sierraville 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
  SEINET10463146  Campanula prenanthoides John G. Lemmon 1874-1 Lemmon 594 Sierra Comment
  SEINET10840324  Campanula prenanthoides Kennedy 1909-1 Kennedy 36 Sierra DOWNIEVILLE Comment
  SEINET10463467  Campanula scouleri John G. Lemmon 1874-1 Lemmon s.n. Sierra Comment
  CAS-BOT-BC37045  Capsella bursa-pastoris W. Harnach; N. Harnach 1990-4-22 269 Sierra Sierra Valley. Herriot Lane. On west side of road. 1493 Comment
  SEINET11196170  Cardamine breweri W. Harnach, N. Harnach 1990-6-6 347 Sierra 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  CAS-BOT-BC37307  Cardamine breweri Lowell Ahart 1978-8-13 s.n. Sierra About 0.5 mile east of Jackson Meadow Reservoir. 2100 Comment
  CDA6822  Carduus nutans T. C. Fuller 1965-8-27 14043 Sierra Headwaters of Purdy Creek, Long Valley, 2 miles south of Bordertown Nevada. 0 Comment
  JEPS118075  Carex 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
  JEPS63603  Carex Leland S. Smith 1926-5-13 1817 Sierra meadow at Milton Tahoe Forest, Middle Yuba River, Milton 1676 Comment
  CAS-BOT-BC18378  Carex W. Harnach; N. Harnach 1991-7-14 645 Sierra Sierra Valley. Coburn Lake, approximately 1/4 below outlet to lake. 2279 Comment
  CHSC105542  Carex abrupta Lowell Ahart 2010-9-15 17191 Sierra Along the west sisde of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  RSA0037325  Carex amplifolia John F. Emmel 1993-7-1 1270 Sierra Sierra Nevada, east slope of Verdi Range; seep and stream 0.2 air mile NW of hill 5169, ca. 1.5 air miles SW of Verdi, Nevada. 1548 Comment
  RSA0037326  Carex amplifolia John F. Emmel 1993-7-1 1269 Sierra Sierra Nevada, east slope of Verdi Range; seep and stream 0.2 air mile NW of hill 5169, ca. 1.5 air miles SW of Verdi, Nevada. 1548 Comment
  CHSC108127  Carex angustata Lowell Ahart 2011-9-23 17699 Sierra Forest floor, about 80 yards north of Pass Creek, about 320 yards south of Henness Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Weber Lake. 2016 Comment
  JEPS117602  Carex angustata Lowell Ahart 2010-9-15 17179 Sierra In shallow water, in stream and east of the second pond, about 100 yards north of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  CAS-BOT-BC17883  Carex angustata L. S. Smith 1926-5-13 1816 Sierra Tahoe Forest. Meadow at Milton. 1676 Comment
  CAS-BOT-BC18121  Carex athrostachya D. E. Breedlove 1962-6-13 3496 Sierra Along state Highway 89, 6.8 miles north of Sierraville. 1524 Comment
  CHSC53563  Carex athrostachya L. P. Janeway 1984-7-29 952 Sierra Vicinity of Sierra Buttes; near Road 28 (21N11) ca 3 1/2 mi from Gold Lake; ridgetop/saddle. 2225 Comment
  CAS-BOT-BC19599  Carex brainerdii Gordon H. True 1967-7-31 3689 Sierra Verdi Peak Road 3.7 miles below summit. 2133 Comment
  UC823551  Carex canescens Lewis S. Rose 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
  CAS-BOT-BC20174  Carex filifolia var. erostrata Gurdev S. Khush 1959-5-10 27 Sierra Ca. 14 miles north of Truckee and 0.5 mile from Little Truckee River on dirt road to Sardine Valley. 1828 Comment
  CAS-BOT-BC21151  Carex fissuricola G. L. Smith 1959-6-19 1205 Sierra David Snyder Cabin, Clark Station, near Yuba Pass. 1889 Comment
  CHSC47011  Carex fracta L. P. Janeway 1989-8-18 3613 Sierra Plumas National Forest. Southeast flank of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/2 mi SE of Haskell Pk. 1981 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
  UC1133370  Carex fracta L. S. Smith 1927-7-27 Sierra Dorsey Station, Yuba Pass Road 1981 Comment
  CAS-BOT-BC21232  Carex fracta Catherine Best 1982-7-12 759 Sierra The Sierra Nevada. Sardine Lake. 1828 Comment
  CHSC115740  Carex hassei Peter F. Zika 2013-6-28 26257 Sierra Sierra Buttes Road, 2.4 air km SW of Sierra Buttes peak, northern High Sierra Nevada. 1620 Comment
  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
  UC1256286  Carex illota R. K. Gierisch 1969-6-25 3494 Sierra Anderson Mdw. Tahoe Forest Comment
  UCR249151  Carex infirminervia George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20752 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CDA9671  Carex jonesii D. W. Taylor, D. G. Kelch 2003-8-2 s.n. Sierra Yuba Pass. Comment
  CAS-BOT-BC35518  Carex jonesii G. L. Smith 1959-6-19 1197 Sierra Clark Station, 3 mi. below Yuba Pass, David Snyder summer home 1889 Comment
  UCSB16056  Carex jonesii Breedlove, Dennis 1962-6-13 Sierra Along State 89, 10. 7 miles north of Sierraville 1615 Comment
  CHSC105829  Carex laeviculmis Lowell Ahart 2010-8-3 17032 Sierra On a poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  JEPS117650  Carex laeviculmis Lowell Ahart 2010-8-3 17032 Sierra On a poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany 1731 Comment
  CAS-BOT-BC31209  Carex lenticularis var. impressa John Thomas Howell 1969-9-13 46117 Sierra Little Truckee River near outlet of Webber Lake. 2042 Comment
  CHSC47001  Carex lenticularis var. lipocarpa L. P. Janeway 1984-8-25 1084 Sierra Small lake just SW of Snag Lake. 2026 Comment
  CHSC52870  Carex lenticularis var. lipocarpa L. P. Janeway 1984-8-25 1071 Sierra At Snag Lake. 2026 Comment
  HSC89400  Carex lenticularis var. lipocarpa L. P. Janeway 1984-8-25 1061 Sierra Snag Lake 2027 Comment
  RSA252432  Carex lenticularis var. lipocarpa Robert F. Thorne, C. W. Tilforth 1969-9-6 39211 Sierra Moist margin of Haven Lake (between Goose and Snag Lakes). 1951 Comment
  CAS-BOT-BC28475  Carex lenticularis var. lipocarpa Lowell Ahart 1980-9-9 2610 Sierra Rocky gorge between the outlet of Webber Lake and Little Truckee River. 2200 Comment
  CHSC48070  Carex leporinella L. P. Janeway 1984-9-1 1145 Sierra Saddle along the Sierra Nevada crest NW of Gold Lake. 2164 Comment
  CAS-BOT-BC31488  Carex leptopoda Lowell Ahart 1982-7-28 3728 Sierra Near the dirt road N of the Pacific Mine, ca 5 mi E of La Porte. 1700 Comment
  CHSC66826  Carex luzulifolia Vernon H. Oswald; Lowell Ahart 1996-8-19 8197 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just S of the road to Lincoln Valley. Northern High Sierra Nevada. 2255 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
  SJSU14236  Carex luzulifolia N. A. Hopkins 1989-8-29 1590 Sierra below Coburn L, Berry Cr drainage c. 5 mi S of Yuba Pass 2255 Comment
  CHSC112511  Carex mariposana L. P. Janeway 2014-6-23 11406 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Gove Creek, just north of Pine Grove Cemetery, 1.3 air-km west-northwest of Howland Flat. 1646 Comment
  CHSC55443  Carex mariposana L. P. Janeway 1989-8-11 3579 Sierra Plumas National Forest. NE flank of Haskell Peak and ca 3/4 mi NW of Chapman Saddle. 2133 Comment
  UC8080  Carex mariposana H. N. Bolander 1866-6 4962 Sierra Westfall's Meadow Sierra 2438 Comment
  CHSC94227  Carex multicaulis Lowell Ahart 2006-6-28 12892 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  RSA718448  Carex multicaulis L. Ahart 2006-6-21 12844 Sierra On the east side of the road, about 3 1/2 miles (by road) northwest of Forest. 1422 Comment
  CAS-BOT-BC32044  Carex multicaulis Lemmon 1882-1-1 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC32047  Carex multicaulis Catherine Best 1984-6-20 s.n. Sierra Herringtons Comment
  CHSC47088  Carex nebrascensis L. P. Janeway 1989-8-24 3637 Sierra Plumas National Forest. Drainage at E end of McNair Mdw; ca 1 mi W of Calpine L.O. 1630 Comment
  SEINET7568644 Image available Carex nebrascensis H. H. Schmidt, M. Merello, L. Woodruff 1993-6-12 841 Sierra Tahoe National Forest, road to Weber Lake, 3.2 miles W of State Highway 89. 1950 Comment
  UCD140679  Carex nebrascensis Beecher Crampton 1958-6-24 4943 Sierra 12 miles south of Sierraville, along the Little Truckee River. 1828 Comment
  UCR257659  Carex nebrascensis George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19451 Sierra Northern Sierra Nevada Mountains, Henness Pass Road, 1.1 mile east of its junction with CA-89 at the north end of Kyburz Flat 1907 Comment
  CAS-BOT-BC119887  Carex nebrascensis H. M. Hall; E. B. Babcock 1903-7-1 4475 Sierra Low, wet meadows of Sierra Valley. 1524 Comment
  JEPS49049  Carex nebrascensis Leland S. Smith 1928-6-12 2330 Sierra w Sardine Valley (meadow near road); Tahoe National Forest 1828 Comment
  SEINET10927965  Carex nebrascensis Lowell Ahart 2001-8-10 Ahart 9069 Sierra T18N, R17E, northwest 1/4 Section 31. On the east side of Hobart Mills Road, about 100 feet west of the power pole, about 1 mile (air) south of Stampede Reservoir. 1798 Comment
  CAS-BOT-BC119708  Carex nervina Gordon H. True 1971-9-7 7032 Sierra Stringer on slope W of large meadow in Cold Stream Canyon ca 3.5 mi S of Perazzo meadows. 2377 Comment
  CHSC108084  Carex pellita Lowell Ahart 2011-9-23 17707 Sierra On the north side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake. 2015 Comment
  CHSC43013  Carex pellita L. P. Janeway 1984-8-26 1098 Sierra Along drainage channel from Snag Lake and near the highway. 1996 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
  SEINET10708721  Carex praegracilis A. Arthur Heller, Patrick B. Kennedy 1907-7-1 Heller 8668 Sierra Purdy. Comment
  CAS-BOT-BC118722  Carex preslii Lewis Samuel Rose 1934-7-10 34343 Sierra Meadow, ridge W of Gold Lake. 2133 Comment
  UC1133434  Carex raynoldsii L. S. Smith 1928-6-18 2366 Sierra s Loyalton; Tahoe Forest, Sierraville Quadrangle, Jones Valley 1981 Comment
  CAS-BOT-BC118608  Carex raynoldsii Catherine Best 1981-6-18 s.n. Sierra Meadow at Yuba Summit. Comment
  RSA364516  Carex raynoldsii Robert Gustafson 1985-6-11 3146 Sierra Near the jct. of Highway 49 and Forest Service road 12, Yuba Pass Summit. 2043 Comment
  CHSC47016  Carex rossii L. P. Janeway 1989-7-28 3532 Sierra Plumas National Forest. Northeastern slopes between Haskell Pk and Hwy 89/Sulphur Cr. 2057 Comment
  CHSC53658  Carex rossii L. P. Janeway 1984-8-25 1080 Sierra Near edge of small lake, just SW of Snag Lake. 2026 Comment
  CHSC61888  Carex rossii Lowell Ahart 1993-9-10 7195 Sierra At the end of a poor dirt road where there is a camp, water ditch and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CAS-BOT-BC118207  Carex rossii Catherine Best 1980-6-12 s.n. Sierra Gold Lake Comment
  CAS-BOT-BC118226  Carex scopulorum var. bracteosa Gordon H. True 1971-9-7 7033 Sierra Stringer on slope W of large meadow in Cold Stream Canyon ca 3.5 mi S of Perazzo meadows 2377 Comment
  JEPS109233  Carex simulata D. W. Taylor 2006-8-24 19626 Sierra Maiden Valley; watershed Middle Fork Feather River, ca 5 air miles SW of Sierraville. Comment
  CAS-BOT-BC117103  Carex spectabilis Lewis Samuel Rose 1934-7-7 34346 Sierra Mountain meadow ridge SW of Gold Lake. 2103 Comment
  UC835954  Carex stipata var. stipata J. G. Lemmon 479 Sierra Sierra Valley Comment
  CAS-BOT-BC116985  Carex straminiformis Elmer Ivan Applegate 1925-9-7 3350 Sierra Gold Lake. 1981 Comment
  CHSC67309  Carex straminiformis James D. Jokerst 1990-7-27 3200 Sierra Balls Ranch. Forest E of Bald Mtn. Range, ca. 300 m below the crest. 2484 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
  UC1133471  Carex subfusca L. S. Smith 1927-7-27 2118 Sierra Dorsey Station, Yuba Pass Road Tahoe <National Forest>, Downieville Quadrangle Comment
  CAS-BOT-BC115864  Carex subfusca H. M. Hall; E. B. Babcock 1903-7-1 4497 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC115865  Carex subfusca H. M. Hall; E. B. Babcock 1903-7-1 4487 Sierra Lower Sardine Lake, Sierra Buttes. 1828 Comment
  SEINET3908439  Carex subfusca Kenneth R. Genz 1978-7-25 8476 Sierra Dog Valley.; 0 1829 Comment
  SEINET5094624 Image available Carex subfusca Unknown 1934-7-10 34343 Sierra Ridge W of Gold Lake Comment
  CHSC47084  Carex utriculata L. P. Janeway 1989-8-11 3582 Sierra Plumas National Forest. Northeast flank of Haskell Pk and ca 3/4 mi NW of Chapman Saddle. 2103 Comment
  JEPS78079  Carex utriculata Gary W. Zamzow 1972-7-11 81 Sierra 7 mi. n. Hobart Mill (Hwy. 89, Kyburz Flat); Kyburz Flat 1828 Comment
  RSA252434  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-6 39188 Sierra Just E of Highway from Snag Lake (SE of Gold Lake). 1951 Comment
  CAS-BOT-BC115438  Carex utriculata Mrs. E. C. Sutliffe 1921-7-27 s.n. Sierra Unspecified 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
  RSA286326  Carex vesicaria Robert F. Thorne 1974-7-30 45056 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2057 Comment
  CAS-BOT-BC115157  Carex vesicaria 1929-7-20 s.n. Sierra In shallow ponds in pine woods of Salmon Lakes. Comment
  PASA1926  Carum gairdneri Margaret Stason 1932-6-21 431 Sierra near hobart mills Comment
  CAS-BOT-BC248958  Castilleja W. Harnach; N. Harnach 1990-4-22 273 Sierra Sierra Valley. Newman point (east side of hwy and up the slope) 1584 Comment
  CAS-BOT-BC249014  Castilleja W. Harnach; N. Harnach 1989-7-1 219 Sierra Sierra Valley. Sattley Hill 1524 Comment
  CHSC115186  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-5-9 20167 Sierra On the north side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  CHSC115261  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-5-9 20173 Sierra On the south side of the Canyon Creek Trail, trail on the north side of the North Fork of the Yuba River, about 300 yards west of Highway 40, about one mile west of Indian Valley. 692 Comment
  CHSC37216  Castilleja applegatei subsp. pinetorum L. Ahart 1982-7-28 3706 Sierra Ca. 1/8 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  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
  JEPS29117  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1961-6-15 1452 Sierra just s Yuba Pass (Calpine Lookout Road and Highway 89) 1828 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
  RSA185371  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-15 7390 -A Sierra Yuba Pass. 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
  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-BC243744  Castilleja applegatei var. pinetorum Alice Eastwood 1918-6-29 7908 Sierra Loyalton Comment
  SJSU5136  Castilleja arachnoidea N. A. Hopkins 1968-6-28 133 Sierra Packer L 1950 Comment
  CDA41629  Castilleja lacera G. F. Hrusa, E. Sandoval 1993-5-3 11156 Sierra Sierra Valley Region; Golden Dome E side of Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). Comment
  UCD122596  Castilleja lacera N. Hopkins 1982-6-19 209 Sierra 1 mi S of Calpine. Comment
  CAS-BOT-BC254090  Castilleja miniata H. Albert Barker 1926-7-3 20 a Sierra Packer Lake Creek 1981 Comment
  CAS-BOT-BC254093  Castilleja miniata Mrs. H. C. Cantelow 1938-7-2 s.n. Sierra 2 miles east of Downieville Comment
  CHSC37297  Castilleja miniata M. S. Taylor 1982-7-19 4882 Sierra Between Hwy 89 and Little Truckee River, ca. 1/4 mi n of Little Truckee Campground ca. 12 mi sw of Sierraville. Comment
  CHSC58956  Castilleja miniata Lowell Ahart 1992-7-17 6786 Sierra Along a logging road, about 2 (air) miles east of Quartz Point, about 6 (air) miles south-east of Downieville. 1706 Comment
  JEPS125650  Castilleja miniata Shuxiao Zhang 2015-7-8 009 Sierra On property south of Packer Lake and west of Tamarack Lakes, in Tahoe National Forest area. Comment
  JEPS15596  Castilleja miniata Rimo Bacigalupi with Richard Hauke and George Bacigalupi Jr. 1954-7-16 4731 Sierra e end Gold Lake; Plumas National Forest 1947 Comment
  JEPS85210  Castilleja miniata Roy E. Buck, Steven Lee, Eric Smith, Andrea Gargas, et al. 1986-8-3 551 Sierra ca 4.7 air km sse Yuba Pass (upper Lincoln Meadow complex, near watercourse in meadow); Lincoln Meadow 2225 Comment
  CAS-BOT-BC254079  Castilleja miniata M. S. Taylor 1982-7-19 4882 Sierra Between Hwy 89 and Little Truckee River, ca. 1/4 mi n of Little Truckee Campground ca. 12 mi sw of Sierraville. Flora of Sierra County Comment
  CAS-BOT-BC254082  Castilleja miniata Rimo Bacigalupi 1951-8-8 3485 Sierra at Church Creek Meadows, about 6 miles north of Sierra Buttes 2057 Comment
  CAS-BOT-BC254086  Castilleja miniata Lewis S. Rose 1934-7-19 34388 Sierra Meadow, Gold Lake 1950 Comment
  POM148018  Castilleja miniata Kasper Pischel 1927-08 s.n. Sierra Salmon Lake. Comment
  SEINET10832393  Castilleja miniata Mary Susan Taylor 1982-7-19 Taylor 4882 Sierra T19N R16E sw sec 18. Between Hwy 89 and Little Truckee River, ca. 1/4 mi n of Little Truckee Campground, ca. 12 mi sw of Sierraville. Comment
  UCD122978  Castilleja miniata F. A. MacFadden 1924-6-1 s.n. Sierra Little Truckee River, 13 miles from Truckee on Reno Road via Hobart Mills. Comment
  RSA286280  Castilleja miniata subsp. miniata Robert F. Thorne 1974-7-30 45053 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  UCR257705  Castilleja miniata subsp. miniata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-22 19426 Sierra Northern Sierra Nevada Mountains, along Hwy CA-89, c. 8 miles north of the Nevada County line 1823 Comment
  CHSC57317  Castilleja pilosa L. P. Janeway 1984-8-1 988 Sierra Northwest of Sierra Buttes; overlooking Young America Lake. 2346 Comment
  JEPS16340  Castilleja pilosa Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4266 Sierra near Calpine; Sierra Valley 1493 Comment
  JEPS77526  Castilleja pilosa L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-20 4896 a Sierra about 3 air mi ne Calpine (along road s of Beckwourth); Sierra Valley 1463 Comment
  UCD128486  Castilleja pilosa Albert Grigarick 2011-6-26 268 Sierra S side of Sagehen Creek mouth. 1816 Comment
  SEINET12331447  Castilleja pruinosa F. H. Utech 1986-1 86 -060 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  CHSC43924  Castilleja tenuis L. P. Janeway 1984-8-18 1007 Sierra Meadow near second swithback (towards southeast) down from Packers Saddle. 1981 Comment
  JEPS4521  Castilleja tenuis Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4291 Sierra from Hawley R.R. station on W.P. main line s to Loyalton (Middle of Sierra Valley); Sierra Valley 1481 Comment
  JEPS77530  Castilleja tenuis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-20 4902 Sierra about 0.5 mi w Sierraville Comment
  SBBG114995  Castilleja tenuis D. H. Wilken 1998-6-25 15610 Sierra Beckwourth-Calpine Rd, flats S of Carman Crk, ca. 3 linear km NE of Calpine, Sierra Valley 1250 Comment
  SBBG45752  Castilleja tenuis K. K. Muller 1963-8-15 1235 Sierra 5 mi S of Gold Lake Comment
  SEINET14173332  Castilleja tenuis W. Harnach, N. Harnach 1989-5-21 108 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch. 1506 Comment
  SEINET14173437  Castilleja tenuis W. Harnach, N. Harnach 1989-5-21 109 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch. 1506 Comment
  SEINET14173747  Castilleja tenuis M. J. Williams 1983-8-7 83- 134 -2 Sierra Between Sardine Valley and Jammer Puncher Chair Flat. 1981 Comment
  UCR242996  Castilleja tenuis Ayzik Solomeshch 2009-6-8 s.n. Sierra Sierra Valley, Roen Ranch, along Westside Road, c. 2 km north of intersection of Westside Road and Calpine Rd., [then] c. 1 km east of Westside Road 1493 Comment
  UCSB10362  Castilleja tenuis Bacigalupi, Rimo; Mason, H.; Sweeney, J. 1953-7-7 Sierra Near Calpine, Sierra Valley, just above and south of marshy area 1493 Comment
  CAS-BOT-BC48643  Ceanothus cordulatus W. R. Dudley 1893-6-11 s.n. Sierra Truckee Comment
  SBBG33970  Ceanothus cordulatus L. S. Rose 1969-6-25 69056 Sierra 3 mi N of Bassetts Comment
  UCR17475  Ceanothus cordulatus Frank C. Vasek 1975-7-10 750710- 01 Sierra Sierra Nevada Mtns., 1 mi west of State Hwy 89 on Henness Pass Rd. 1951 Comment
  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
  RSA754649  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-4-17 DOB 1083 b Sierra Goodyears Bar, near confluence of Goodyears Creek and North Yuba River, SW of Grizzly Peak, intersection of SR 49 and Mountain House Road, 5.3 km 248 degrees true WSW of Downieville. 840 Comment
  UCD123971  Ceanothus cuneatus var. cuneatus D. O. Burge 2009-4-17 1083 c Sierra Goodyears Bar, near confluence of Goodyears Creek and North Yuba River, south-west of Grizzly Peak, intersection of SR 49 and Mountain House Road, 5.3 km 248 deg. (True) WSW of Downieville. 840 Comment
  CAS-BOT-BC63646  Ceanothus integerrimus W. R. Dudley 1893-6-14 s.n. Sierra 5.5 mi. n. of Burney. 1066 Comment
  CAS-BOT-BC63649  Ceanothus integerrimus John Thomas Howell; Gordon H. True 1969-6-25 45856 Sierra N. Fork of Yuba River, 5 mi. e. of Indian Valley. 762 Comment
  UCR206985  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14841 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.6 miles north of the Yuba County line 902 Comment
  RSA25621  Ceanothus integerrimus var. californicus J. T. Howell 1969-6-25 45856 Sierra Yellow pine forest, N Fork of Yuba River, 5 miles E of Indian Valley. 762 Comment
  RSA491812  Ceanothus integerrimus var. californicus B. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 875 Sierra Above Ramshorn Campground, on Hwy. 49, ca. 15 miles NE of Camptonville and ca. 5 miles W of Downieville. 823 Comment
  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
  SEINET11191825  Ceanothus leucodermis B. Hildebrand 1946-6-15 H- 62 Sierra 2 miles west of Calpine, Sierra Co. 1646 Comment
  CAS-BOT-BC205796  Ceanothus prostratus James R. Shevock 1985-5-19 11142 Sierra Northern Sierra Nevada. Tahoe National Forest. Along California highway 89, 1.4 miles south of Sierraville and about 21 miles north of Interstate 80 1700 Comment
  CAS-BOT-BC52108  Ceanothus prostratus Valerie Ziemba 1981-5-16 034 Sierra 14 mi. north on Rt. 49 from San Francisco St. Sierra Camp. Comment
  CAS-BOT-BC53121  Ceanothus prostratus Joseph Gerber 1953-7-5 25 Sierra Lake Independence 2133 Comment
  CAS-BOT-BC53123  Ceanothus prostratus Belle R. Jackson 1932-6-1 s.n. Sierra Yuba Pass Comment
  SDSU10293  Ceanothus prostratus D. F. Howe 1964-7-28 3880 Sierra 5.5 miles S of Gold Lake Lodge, Tahoe National Forest. 1829 Comment
  SEINET11201793  Ceanothus prostratus W. Harnach, N. Harnach 1989-4-23 43 Sierra Sierra Valley, East slope of Sattley Hill 1521 Comment
  UC1281209  Ceanothus prostratus H. E. McMinn 1941-8-27 5389 Sierra nine mi s Sierraville (along stream); s of Sierraville Comment
  UCD112657  Ceanothus prostratus Tim Metcalf 1973-5-19 60 Sierra 4 miles south of Loyalton on the canyon road. 1584 Comment
  UCD21960  Ceanothus prostratus Brian Vanden Heuvel 2002-7-7 166 Sierra Tahoe National Forest. 3.5 miles South of Sierraville on CA 89, west side of road. Comment
  UCR17472  Ceanothus prostratus Frank C. Vasek 1975-7-10 750710- 06 Sierra Sierra Nevada Mtns., 1 mi west of State Hwy 89 on Henness Pass Rd. 1951 Comment
  SEINET5339377  Ceanothus prostratus M. Demorest 1962-5-9 s.n. Sierra Dog Valley floor near meadow in wooded area. North of road in moist silty soil. 1829 Comment
  SEINET11243101  Ceanothus velutinus W. Harnach, N. Harnach 1992-7-29 688 Sierra Sierra Valley. W of Sattley, NW of Martinetti Ranch in logged drainage. Shirley Holstrom (landowner) 1554 Comment
  CAS-BOT-BC63193  Ceanothus velutinus var. velutinus Albert H Barker 1927-7-1 157 Sierra Gold Lake - e. side of Indian Head Peak. 2011 Comment
  SEINET5343484 Image available Centaurea cyanus M. J. Williams, A. Tiehm 1974-1 74 -A-1 Sierra N end of Hwy. 89 1615 Comment
  RSA202127  Cephalanthera austiniae Theodore F. Niehaus 1965-6-24 600 Sierra Northern edge of meadow at Halls Ranch Guard Station Comment
  SEINET8796896  Cerastium fontanum subsp. vulgare W. Harnach, N. Harnach 1990-6-6 340 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch. 1518 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
  UCR270723  Cercocarpus ledifolius John F. Emmel 1999-6-5 1621 Sierra Sierra Nevada Mtns., Verdi Range; summit of Henness Pass Road 1877 Comment
  UCSB16112  Chaenactis douglasii Breedlove, Dennis 1962-6-13 Sierra Along State Highway 89; 3 miles south of Sierraville 1767 Comment
  CAS-BOT-BC276684  Chaenactis douglasii var. douglasii H. Albert Barker 1926-7-8 77 Sierra Gold Lake RIdge 2072 Comment
  UC335084  Chaenactis douglasii var. douglasii J. G. Lemmon 1874-1 119 Sierra Comment
  RSA670108  Chaenactis nevadensis Donald W. Kyhos 1967-9-2 67 -89 Sierra On road to Meadow Lake 3.8 miles south of Webber Lake. Comment
  RSA122258  Chamaebatia foliolosa A. Lewis 1934-8-5 524 Sierra 1/2 mile W of Sierra City, Downieville 1372 Comment
  UC572550  Chamaebatia foliolosa A. Lewis 1934-8-5 524 Sierra 1/2 mi of Sierra City; Tahoe National Forest 1371 Comment
  UCD112940  Chamaebatia foliolosa R. Randell 1996-5-26 16 Sierra Tahoe National Forest, beside Wild Plum Road, 0.75 miles from highway 49 turnoff. 1350 Comment
  UCD15408  Chamaebatia foliolosa Lorraine Prunier 1982-5-22 18 Sierra California, Sierra Co.; at benchmarck G213 along highway 49; 609 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-BC68228  Cheilanthes gracillima Lemmon 1878-8-1 s.n. Sierra Webber Lake Comment
  JEPS125658  Cheilanthes gracillima William Harnach 2013-7-27 1375 Sierra 3.25 miles south of the Jackson Meadows Road on the Meadow Lake Road (south of Webber Lake). Comment
  UC337881  Cheilanthes gracillima unknown Sierra Gold Lake Comment
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May 19 2012
  CAS-BOT-BC68233  Cheilanthes gracillima Lowell Ahart 1983-10-27 4470 Sierra Near Jackson Meadow Res. - found near the dirt road on the north side of Milton Res. 1800 Comment
  RSA85539  Cheilanthes gracillima F. W. Peirson 1914-08 1505 Sierra Devils Post Pile Comment
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Jul 4 2012
  UC71226  Cheilanthes gracillima J. G. Lemmon Aug. 1880 Sierra mts around Webber Lake 2438 Comment
  JEPS124535 Image available Chenopodium album Virginia Hardham 1965-7-6 97 Sierra Cal-Pine Beck worth Rd. 3.4 mi from junction patley Beck worth Rd. and Hw 89. Comment
  HSC93427  Chenopodium atrovirens Vernon H. Oswald, L. Ahart 1996-8-19 8212 Sierra N High Sierra Nevada, Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 0.6 mi. N of the Rd. to Haypress Valley. 2226 Comment
  RSA39086  Chimaphila umbellata subsp. occidentalis P. A. Munz 1948-8-11 12335 Sierra Carvin Creek, Highway 49, northeast of Sierra City. 1738 Comment
  CHSC84365  Chrysolepis sempervirens Lowell Ahart 2003-9-4 10553 Sierra Near the Burlington Mine, about 9 miles (air) northeast of Alleghany. 1723 Comment
  JEPS37830  Chrysolepis sempervirens W. L. Jepson 1934-8-3 16847 Sierra 2 mi e Bassett sta. (Pioneer road sta.); North Fork Yuba River Comment
  CAS-BOT-BC279820  Chrysothamnus W. R. Dudley 1894-9-2 s.n. Sierra Near Cory's Station, road Truckee to Webber Lake Comment
  SEINET11860559  Chrysothamnus nauseosus subsp. albicaulis J. G. Lemmon 1874-1 99 Sierra Sierra Co. &c Comment
  CDA10778  Chrysothamnus nauseosus subsp. consimilis M. R. Pryor 1954-10-28 Sierra Loyalton. 0 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
  SEINET9285785  Chrysothamnus viscidiflorus Unknown 2001-8-1 Sierra Wallace (Torri) Ranch Comment
  CAS-BOT-BC100851  Chrysothamnus viscidiflorus subsp. viscidiflorus Lemmon 1881-6-1 s.n. Sierra Sierra Val. Comment
  UC579436  Chrysothamnus viscidiflorus subsp. viscidiflorus A. Lewis 1934-11-7 549 Sierra 5.25 m w Loyalton; Tahoe National Forest, Sierraville Quad. 1493 Comment
  SEINET12117830  Cicuta douglasii J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  UCR249145  Circaea alpina subsp. pacifica George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20761 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CAS-BOT-BC285267  Cirsium andersonii Margaret Williams 1974-8-28 74- 5 -57 Sierra West side of Verdi Ridge, Verdi Range 1493 Comment
  CAS-BOT-BC284397  Cirsium arvense W. Harnach; N. Harnach 1990-9-3 527 Sierra 1/2 mile south of Alpers Ranch on turn of Hwy 49, Sierra Valley 1508 Comment
  SD102791  Cirsium scariosum Darley Howe 1978-7-16 Sierra On state highway 89, 12.3 miles north of Truckee. 1920 Comment
  SJSU6454  Cirsium scariosum N. A. Hopkins 1971-6-19 413 Sierra near ENE of Sattley 1524 Comment
  CDA1559  Cirsium scariosum var. americanum P. Arnaud 1958-8-2 s.n. Sierra Webber Lake. Comment
  CAS-BOT-BC228951  Cistanthe umbellata Javier Penalosa 1962-6-20 2537 Sierra Little Truckee Rd. at Hwy. 89 1905 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
  SEINET4145444  Clarkia lassenensis W. Harnach, N. Harnach 1989-6-21 159 Sierra Sierra Valley, Calpine Ranch, knoll in front of house 1506 Comment
  RSA718375  Clarkia rhomboidea L. Ahart 2006-6-21 12798 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany. 849 Comment
  SD129444  Clarkia rhomboidea B. Pitzer, S. Morgan & H. Soldan 1988-5-28 896 Sierra Convict Flat Picnic Area, 12 miles NE of Camptonville, on Highway 49. On the North Yuba River. Comment
  RSA41876  Clarkia rhomboidea H. C. Cantelow 1938-7-2 2364 Sierra 2 miles east of Dardanelles 976 Comment
  NY342202  Claytonia caroliniana var. sessilifolia J. M. Bigelow 1853-1 s.n. Sierra Downieville Comment
  CAS-BOT-BC451755  Claytonia lanceolata Rimo Bacigalupi 1927-7-3 1601 Sierra Near Yuba Pass 1950 Comment
  UC338361  Claytonia lanceolata unknown 1889-6-5 Sierra Gold Lake Comment
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May 19 2012
  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
  CAS-BOT-BC439757  Claytonia rubra subsp. depressa Lin Grayson 1981-5-16 036 Sierra Hwy 49, 1 mi. west of intersection with Hwy 89, near Sattley. 1666 Comment
  SEINET5336434  Claytonia rubra subsp. rubra H. Holbo 1961-5-6 s.n. Sierra Truckee summit area 1981 Comment
  RSA21692  Clematis ligusticifolia Carl B. Wolf 1937-8-6 9052 Sierra Northern Sierra Nevada, North Fork of Yuba River, 5 miles above Downieville. 1067 Comment
  CHSC54565  Collinsia parviflora Lowell Ahart 1991-7-22 6698 Sierra French Meadow, about 1/4 miles south of Nennesse Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  SEINET13396475  Collinsia parviflora S. B. Doten 1901-7-2 74 c. Sierra NE of Webber Lake. Comment
  SJSU13912  Collinsia parviflora N. A. Hopkins 1987-5-30 1387 Sierra 1 mi SW of Calpine 1524 Comment
  CHSC73822  Collinsia torreyi var. wrightii B. Castro; M. A. Griggs, Plumas NF botanists. 1997-7-10 757 Sierra Bunker Hill Ridge, on lower SW-facing slope between Duck Soup Pond and the ridge crest, along Pacific Crest Trail. 2072 Comment
  JEPS85213  Collinsia torreyi var. wrightii Roy E. Buck, Steven Lee, Eric Smith, Andrea Gargas, et al. 1986-8-3 550 Sierra 4/7 air km sse Yuba Pass (edge of meadow, upper Lincoln Meadow complex); Lincoln Meadow complex 2225 Comment
  CAS-BOT-BC229541  Collomia diversifolia Lowell Ahart 1982-7-28 3708 Sierra 1/8 mile N of the Pacific Mine, about 5 miles E of La Porte 1700 Comment
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May 20 2021
  UCD118148  Collomia grandiflora N. Hopkins 1982-7-19 1076 Sierra 1 mile S of Calpine. 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
  UCR230942  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2011-6-9 17554 Sierra Northern Sierra Nevada Mountains Foothills, 7.1 miles north of Camptonville along CA-49, about 2.5 miles north of the Yuba Co. line 808 Comment
  UCR249142  Collomia heterophylla George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20764 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  SJSU9765  Collomia heterophylla C. W. Sharsmith 1982-6-1 8684 Sierra gravels of old roadway by Sierra City 1280 Comment
  UC908786  Collomia linearis Milo S. Baker 1936-6-18 8398 Sierra outskirts Sierraville (on s) Comment
  CHSC115180  Collomia tinctoria Lowell Ahart 2015-5-9 20174 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
  JEPS118415  Collomia tinctoria Lowell Ahart 2011-9-23 17713 Sierra Growing on a gravel bar on the south side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2015 Comment
  SJSU4988  Collomia tinctoria N. A. Hopkins 1968-6-30 149 Sierra 0.25 mi N of Packer L 1859 Comment
  UCSB16102  Collomia tinctoria Breedlove, Dennis 1962-6-13 Sierra Little Truckee River, 10.0 miles south of Sierraville on State Highway 89; Sierra Nevada 1950 Comment
  JEPS124865 Image available Convolvulus arvensis P. L. Billings 1965-6-29 11 -2 Sierra Collected .3 miles east of Goodyear's Bar on HWY 49. Comment
  JEPS124866 Image available Convolvulus arvensis J. Yamanaka 1965-6-29 31 Sierra 1/2 m. E of Goodyear Bar. Downieville. Hwy 49. Comment
  CAS-BOT-BC286038  Conyza canadensis John Thomas Howell 1951-8-21 28261 Sierra East side of Yuba Pass 1828 Comment
  SEINET7836926 Image available Conyza canadensis W. Harnach, N. Harnach 2000-8-23 986 Sierra Sierra Valley. 1 miles north of Loyalton, CA on Co Road A-24 1500 Comment
  CAS-BOT-BC494099  Conyza canadensis William Harnach 2000-8-23 996 Sierra Sierra Valley. 1 mi N of Loyalton on Co. Road A-24 1499 Comment
  SEINET6166169  Corallorhiza maculata W. Harnach, N. Harnach 1990-6-30 436 Sierra Sierra Valley, Yuba Pass 2042 Comment
  UC1326235  Corallorhiza maculata Theodore F. Niehaus 1965-6-24 590 Sierra Pipe Creek; where lower Canyon Creek Road crosses Comment
  SEINET6166282  Corallorhiza maculata W. D. Billings 1951-7-8 2114 Sierra [Sierra Nevada] Weber Peak 2286 Comment
  UC199363  Cordylanthus tenuis subsp. tenuis J. A. De Cou 1900-8-7 457 Sierra Campbells Hot Springs Comment
  CAS-BOT-BC210386  Cornus sericea Lewis S. Rose 1934-6-29 34292 Sierra Gold Lake 1950 Comment
  SJSU8791  Cornus sericea M. D. Fleschner 1965-6-28 Sierra Union Flat on Hwy 49 c. 4 mi E of Downieville 1158 Comment
  JEPS50128  Cornus sericea subsp. sericea W. L. Jepson 1934-8-3 16814 Sierra Pioneer road sta. 2 mi. e. of Bassett Sta. (N. Fork Yuba R.); N. Fork Yuba R. 1706 Comment
  JEPS95603  Cornus sericea subsp. sericea Lowell Ahart 1994-7-1 7435 Sierra 11 air miles NE of Alleghany (S of the larger pond, N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, 1 1/2 mi NE of Middlewaters) 1889 Comment
  SEINET8480757  Cornus sericea var. sericea P. B. Kennedy 1903-6-27 791 Sierra Dog Valley, near Verdi Comment
  SJSU13908  Crepis acuminata N. A. Hopkins 1986-6-30 1341 Sierra bald ridge 2377 Comment
  UC346569  Crepis acuminata E. B. Babcock 1928-6-12 150 Sierra along rd. 5 mi se Sierraville; Tahoe Nat. For., Onion Valley Comment
  CAS-BOT-BC290504  Crepis bakeri subsp. bakeri G. L. Stebbins, Jr.; J. A. Jenkins 1937-5-23 2160 Sierra Near headwaters of Dark Canyon, between Loyalton and Purdy 1900 Comment
  UC346499  Crepis intermedia E. B. Babcock 1928-6-13 147 Sierra below trail from Lemmon Canyon to Sardine Pk. lookout; Tahoe Nat. For. 2072 Comment
  UC346566  Crepis intermedia E. B. Babcock 1928-6-12 152 Sierra along rd. ca 5 mi se Sierraville; Tahoe Nat. For., Onion Valley Comment
  CAS-BOT-BC291567  Crepis intermedia G. L. Stebbins, Jr.; E. B. Babcock 1936-6-5 1720 Sierra Western slope of east side of Smithneck Creek 5 miles south of Loyalton 1524 Comment
  UC313838  Crepis modocensis L. S. Smith 1927-5-30 Sierra e Sierraville (w and sw slopes); Sierra Valley Comment
  UC346530  Crepis modocensis E. B. Babcock 1928-6-12 121 Sierra 3.3 mi n Truckee (on rd. to Hobart Mills) 1767 Comment
  UC581250  Crepis modocensis G. L. Stebbins Jr. and J. A. Jenkins 1937-5-23 2158 Sierra Dark Canyon; near headwaters, between Loyalton and Purdy 1900 Comment
  UC346550  Crepis modocensis E. B. Babcock and M. Navashin 1928-6-21 167 Sierra about 5 mi e Sierraville; Onion Valley Comment
  CAS-BOT-BC291597  Crepis modocensis subsp. subacaulis G. L. Stebbins; J. A. Jenkins 1937-5-21 2115 Sierra At Newman Point, 3 1/2 mi. northest of Sierraville on road to Loyalton 1524 Comment
  JEPS36482  Crepis occidentalis L. S. Smith 1927-6-26 2045 Sierra above Loyalton road; Tahoe <National> Forest, Sierra Valley 1676 Comment
  SEINET7838857 Image available Crepis occidentalis W. A. Archer, N. Harnach 1992-5-10 681 Sierra Sierra Valley. Located off the road on the way to Earl Jennettes to the south of Calpine 1524 Comment
  UC346513  Crepis occidentalis E. B. Babcock 1928-6-12 135 Sierra nr. and s Newman Pt. (along road from Sierraville to Loyalton); Sierra Valley Comment
  UC346518  Crepis occidentalis E. B. Babcock 1928-6-12 131 Sierra nr. and s Newman Pt. (along rd. from Sierraville to Loyalton); Sierra Valley Comment
  UC346521  Crepis occidentalis E. B. Babcock 1928-6-12 128 Sierra Newman Point Sierra Valley (along road to Loyalton) Comment
  UC581266  Crepis occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1648 Sierra ne-facing hillside 1 mi ne Sattley Comment
  UC91847  Crepis occidentalis T. S. Brandegee Aug., 1883 Sierra Verdi Comment
  CAS-BOT-BC376497  Crepis occidentalis subsp. conjuncta Betty J. Jorgensen 1944-6-22 469 A Sierra Little Truckee River, 10 miles north of Hobart Mills 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
  CAS-BOT-BC290789  Crepis occidentalis subsp. occidentalis E. B. Babcock; G. L. Stebbins, Jr. 1936-6-3 1671 Sierra East side of Sierra Valley, 2 miles northeast of Sierraville, on road to Loyalton 1600 Comment
  UC346544  Crepis occidentalis subsp. occidentalis E. B. Babcock and M. Navashin 1928-6-22 171 Sierra road from Sierraville to Loyalton (slope below, lower down than 169 and 170); Sierra Valley, Newman Pt. Comment
  UC346549  Crepis occidentalis subsp. occidentalis E. B. Babcock and M. Navashin 1928-6-22 168 Sierra along rd. to Newman Pt. 1.5 mi from jct. of Reno and Loyalton rds. (nw of Sierraville); Sierra Valley Comment
  UC346551  Crepis occidentalis subsp. pumila E. B. Babcock and M. Navashin 1928-6-21 166 Sierra about 6 mi nw Truckee (along road to Hobart Mills) Comment
  UC581279  Crepis occidentalis subsp. pumila E. B. Babcock and G. L. Stebbins Jr. 1936-6-5 1727 Sierra se edge of valley near junction of Smithneck and Bear Valley Creek (2 mi s of Loyalton); Sierra Valley 1600 Comment
  CAS-BOT-BC290811  Crepis occidentalis subsp. pumila E. B. Babcock; G. L. Stebbins, Jr. 1936-6-3 1649 Sierra About five miles northeast of Sattley Comment
  UC346520  Crepis occidentalis subsp. pumila E. B. Babcock 1928-6-12 129 Sierra Newman Point Sierra Valley (along road from Sierraville to Loyalton) Comment
  CHSC57258  Crepis pleurocarpa L. P. Janeway 1984-8-12 993 Sierra Ridge-top just south of Packer Saddle. 2148 Comment
  UC1609021  Crepis pleurocarpa Lowell Ahart 1993-9-10 7218 Sierra about 1 1/2 mi s dirt road from Gibsonville to Johnsville (top of ridge on w side of mt); Mount Fillmore 2316 Comment
  UC176435  Crepis runcinata subsp. andersonii A. A. Heller and P. B. Kennedy 1907-7-1 8666 Sierra Purdy Comment
  SEINET9592240  Croton setiger W. Harnach, N. Harnach 1990-7-29 482 Sierra Sierra Valley, on Road A-23, ca 0.25 mile S of the Plumas-Sierra Co. line. 1503 Comment
  CAS-BOT-BC189267  Cryptantha W. Harnach; N. Harnach 1991-7-14 621 Sierra Coburn Lake, approximately 0.25 mile below the outlet of lake, Sierra Valley 2279 Comment
  CHSC63118  Cryptantha affinis Lowell Ahart 1994-7-7 7459 Sierra North side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  RSA794700  Cryptantha affinis L. Ahart 2010-9-15 17157 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
  CHSC50990  Cryptantha echinella Lowell Ahart 1990-7-8 6552 Sierra Near Bunker Hill Rigde, on the west side of Mount Etna, about 12 miles north-east of La Porte. 2072 Comment
  SJSU11375  Cryptantha intermedia P. L. Billings 1965-7-10 87 Sierra by Calpine-Beckwourth Rd near Hwy 89, Sierra Valley Comment
  SD186136  Cryptantha milobakeri B. Pitzer, Steve Morgan and H. M. Soldan 1988-5-28 893 Sierra Convict Flat Picnic Area, on North Yuba River, 12 miles northeast of Camptonville on Highway 49. 779 Comment
  UC79301  Cryptantha muricata F. H. Hillman 1895-6-29 Sierra Dog Valley Road Comment
  SJSU14312  Cryptantha torreyana N. A. Hopkins 1989-7-15 1567 Sierra 1 mi S of Calpine, Sierra Valley 1554 Comment
  NY1111494  Cryptantha virginensis J. G. Lemmon 1874-1 165 Sierra Comment
  CAS-BOT-BC70472  Cryptogramma acrostichoides Elmer I. Applegate 1921-9-7 3371 Sierra Gold Lake Comment
  CHSC46028  Cryptogramma acrostichoides Lowell Ahart 1975-8-17 934 Sierra South of French Meadows, about 3 miles west and 1/2 mile south of Webber Lake. 2133 Comment
  CAS-BOT-BC70475  Cryptogramma acrostichoides J. H. Hatton 1912-9-19 H- 107 Sierra Sierra National Forest Comment
  UCD137499  Cryptogramma acrostichoides N. Hopkins 1970-6-11 327 Sierra Dungan's Pond. Comment
  JEPS87391  Cuscuta californica Lowell Ahart 1993-9-24 7254 Sierra about 0.75 mi s Gibsonville to Johnsville dirt road (on the w side of a poor dirt road that ends at a stream, n side of Mount Fillmore); n side of Mount Fillmore 2133 Comment
  JEPS78182  Cuscuta occidentalis Gary W. Zamzow 1972-7-11 77 Sierra 0.8 mi n Loyalton (beside road A 24) 1524 Comment
  SEINET11242449  Cusickiella douglasii F. Martin 1962-5-9 27 Sierra Dog Valley. Comment
  CHSC105186  Cycladenia humilis B. Castro; L. P. Janeway 1997-9-14 786 Sierra South flank of Stafford Mtn, just above the Gibsonville-Jonesville Rd. 1859 Comment
  UC1446108  Cycladenia humilis var. humilis Lowell Ahart 1979-7-15 Sierra ca. 1 mi. e. Mt. Etna (s.e. of Stafford Mt., along La Porte-Johnsville rd.) 1800 Comment
  CHSC52494  Cymopterus terebinthinus var. californicus L. P. Janeway 1984-8-5 970 Sierra Ridgetop just south of Packer Saddle. 2148 Comment
  JEPS82073  Cymopterus terebinthinus var. californicus Paul C. Hutchison and Rimo Bacigalupi 1982-8-9 8444 Sierra 12 mi (by logging road) N of Downieville (Saddleback Mountain, bottom of road to lookout just W of the summit) 1798 Comment
  UCD127375  Cymopterus terebinthinus var. californicus P. B. Kennedy 1927-5-30 s.n. Sierra Sierra Butte, Sardine Lake. 1981 Comment
  UC1100559  Cyperus squarrosus Herbert L. Mason 1952-8-17 14495 Sierra 1 1/2 mi. e. Calpine (junction of Calpine and Sierraville, Beckworth Rd.); Sierra Valley Comment
  CAS-BOT-BC70698  Cystopteris fragilis John Thomas Howell 1969-9-13 46102 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CHSC46169  Cystopteris fragilis Lowell Ahart 1981-6-23 2876 Sierra North of the dirt road and near the south-west base of Mount Etna, about 11 miles north-east of La Porte. 1828 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
  CAS-BOT-BC201019  Cytisus scoparius T. C. Fuller 1962-6-14 9023 Sierra On slope n. of Hwy 49 to Camptonville, road junction at Fiddle Creek, Indian Valley, Yuba River, 12.0 mi. w. of Downieville Comment
  UC1100149  Damasonium californicum Herbert L. Mason 1953-6-16 14552 Sierra 1/4 mi. s. Beckwourth Buttes Comment
  SJSU5071  Damasonium californicum G. R. Ostrander 1965-7-6 65 A Sierra Sattley-Calpine [-Beckwourth Rd.], 1.5 mi N of Sattley, Sierra Valley 1493 Comment
  CHSC61901  Danthonia californica var. americana Lowell Ahart 1993-9-10 7211 Sierra On the west side of a meadow, on the north side of Mount Fillmore, about 1 1/4 miles south of the dirt road from Gibsonville to Johnsville. 2225 Comment
  JEPS118491  Danthonia californica var. americana Lowell Ahart 2011-9-23 17700 Sierra About 80 yards north of Pass Creek, about 320 yards south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake 2016 Comment
  JEPS103185  Danthonia californica var. californica G. Schoolcraft 2000-6-25 2908 A Sierra Knuthson Meadow W of Sierra Valley 1524 Comment
  UCD60517  Danthonia californica var. californica G. Schoolcraft 2000-6-25 2908 A Sierra Knuthson Meadow, W of Sierra Valley. 1524 Comment
  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
  POM126616  Danthonia unispicata H. S. Yates 1935-6-29 5287 Sierra 1 mile N. of Gold Lake. 1982 Comment
  JEPS125920  Darlingtonia californica D. W. Taylor 2001-6-19 17790 Sierra Ca 1 mile NE of Union Hill, bog on the north side of Forest Road 20N35 about 0.5 miles E of the intersection with County Road 690. Comment
  UCD161462  Darlingtonia californica Barry Rice 2013-7-7 BR 130704 Sierra a botanically rich site crossing Marvin Ranch Road. 1355 Comment
  UCR54285  Darmera peltata B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0940 Sierra Tahoe National Forest, 3.5 mi east of Downieville on Hwy 49. 1220 Comment
  SEINET8686934  Delphinium andersonii W. Harnach, N. Harnach 1989-4-30 045 Sierra Sierra Valley, E of Calpine, Calpine Ranch. 1504 Comment
  CAS-BOT-BC1419  Delphinium andersonii L. S. Smith 1927-5-30 2059 Sierra Sierra Valley east of Nichols, Tahoe National Forest 1828 Comment
  CAS-BOT-BC1423  Delphinium andersonii W. Harnach; N. Harnach 1989-4-15 027 Sierra Sierra Valley. County line on road A-23. 1524 Comment
  CAS-BOT-BC8931  Delphinium depauperatum George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC8932  Delphinium depauperatum Joseph Gerber 1953-7-4 10 Sierra Lake Independence 2133 Comment
  CAS-BOT-BC8929  Delphinium depauperatum V. Ziemba 1981-5-16 032 Sierra 14 mi. north on Rte. 49 from San Francisco St. camp. Comment
  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
  SJSU3298  Delphinium depauperatum H. T. Shishido 1961-5-20 40 Sierra 1 mi S of Sierra City on Milton Cr Trail 1310 Comment
  CHSC92088  Delphinium glaucum Lowell Ahart 2005-8-30 12342 Sierra On the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2032 Comment
  SEINET5338014  Delphinium glaucum P. B. Kennedy, Samuel Bradford Doten 1901-7-24 228 Sierra Lincoln Valley Comment
  RSA786374  Delphinium glaucum Gene St. Clair 1969-8-10 893 Sierra Devil's Post area Comment
  CAS-BOT-BC9880  Delphinium nudicaule H. D. Ripley; R. C. Barneby 1943-6-16 5787 Sierra NW of Calpine 1463 Comment
  UCSB15920  Delphinium nudicaule Breedlove, Dennis 1962-6-13 Sierra along State Highway 89; 9.3 miles north of Sierraville 1524 Comment
  CAS-BOT-BC116142  Delphinium nuttallianum F. H. Utech 1986-5-10 86 -091 Sierra Tahoe National Forest, ca 1.0 mi N of junction North Yuba River and CA hwy 49 bridge: 950 Comment
  CAS-BOT-BC116144  Delphinium nuttallianum D. E. Breedlove 1962-6-13 3520 Sierra Along State Hwy. 89, 10.0 miles south of Sierraville. 1950 Comment
  CAS-BOT-BC116146  Delphinium nuttallianum D. E. Breedlove 1962-6-13 3484 Sierra Along State Hwy. 89, 9.3 miles north of Sierraville. 1524 Comment
  POM270652  Delphinium nuttallianum J. H. Morrison s.n. Sierra Soyalton, Sierra Nevad Mt, Sierra Valley. 1524 Comment
  SEINET8688795  Delphinium nuttallianum P. B. Kennedy, S. B. Doten 1901-7-8 132 Sierra [Sierra Nevada] near Webber Lake. Comment
  SJSU12158  Delphinium nuttallianum N. A. Hopkins 1979-5-11 933 Sierra c. 5 mi N of Sattley 1524 Comment
  UCSB15814  Delphinium nuttallianum Breedlove, Dennis 1962-6-13 Sierra along State Highway 89; 9.3 miles north of Sierraville 1524 Comment
  RSA771860  Deschampsia cespitosa R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr 1972-9-20 42358 Sierra PLUMAS NATIONAL FOREST: Moist margin of pond N of Goose Lake in lodgepole pine forest. 2058 Comment
  SEINET11676551  Deschampsia cespitosa J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  CAS-BOT-BC192457  Deschampsia cespitosa subsp. cespitosa Gordon H. True 1971-9-7 7038 Sierra In Cold Stream Canyon ca. 3.5 miles south of Perazzo Meadows Comment
  JEPS75580  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1934-8-7 16870 Sierra Cold Creek near Sierraville; Cold Creek Comment
  RSA286321  Deschampsia cespitosa subsp. cespitosa R. F. Thorne 1974-7-30 45050 Sierra Tahoe National Forest: Goose, Haven and Snag Lake areas; shallow, grassy lake E. of highway. 2058 Comment
  CAS-BOT-BC192641  Deschampsia danthonioides R. K. Gierisch; D. H. Esplin 1969-7-8 3508 Sierra Tahoe National Forest. Saddle Mdw. Comment
  POM181951  Deschampsia danthonioides J. G. Lemmon 1889-05 s.n. Sierra Sierra Valley. Comment
  SEINET4566969  Deschampsia danthonioides W. Harnach, Nancy Harnach 2000-5-22 898 Sierra Sierra Valley, 1.25 miles north of intersection of A-23 and Calpine Rd. E of Calpine 1497 Comment
  CAS-BOT-BC40915  Descurainia incana W. Harnach; N. Harnach 1990-6-30 435 Sierra Sierra Valley. Yuba Pass. 2042 Comment
  SEINET11244811  Descurainia incisa var. viscosa W. Harnach, N. Harnach 1990-6-30 435 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  CAS-BOT-BC402467  Dicentra formosa subsp. formosa Jean L. Pawek 1956-5-22 61 Sierra Highway 49 1219 Comment
  UCD95509  Dicentra formosa subsp. formosa Gerald Dickinson 1963-6-21 13 Sierra 2.9 miles E of Downieville, State Highway 49. 1036 Comment
  SJSU6436  Dicentra uniflora N. A. Hopkins 1971-6-20 414 Sierra 0.25 mi S of Packer L 1889 Comment
  JEPS125767  Dichelostemma multiflorum William Harnach 2014-6-14 1391 Sierra Approximately 0.25 miles from West Main St. on Reservoir Road, Calpine. Comment
  UCR249640  Dichelostemma multiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20782 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.7 miles west of Goodyears Bar, c. 11 miles NE of Yuba Co. line 793 Comment
  CAS-BOT-BC290949  Dieteria canescens var. shastensis W. R. Dudley 1909-8-29 s.n. Sierra Sierra Valley Comment
  SD129533  Diplacus grandiflorus B. Pitzer, S. Morgan & H. Soldan 1988-5-28 901 Sierra Convict Flat Picnic Area, 12 mi. NE of Camptonville, on Hwy 49. On the North Yuba River, roadcut Comment
  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-BC151867  Diplacus mephiticus Betty J. Jorgensen 1944-6-22 472 Sierra Little Truckee River, 10 miles north of Hobart Mills Comment
  CHSC65406  Diplacus mephiticus Vernon Oswald 1984-6-25 1315 Sierra La Porte-Quincy Rd., about 7.6 mi n-e of La Porte. 1828 Comment
  SEINET13703684  Diplacus mephiticus W. Harnach, N. Harnach 1989-6-24 162 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetta Ranch (Elvers). 1518 Comment
  SEINET14196683  Diplacus torreyi O. Reifschneider 1963-5-27 s.n. Sierra Yuba Pass Road. Comment
  CAS-BOT-BC154010  Diplacus torreyi Catherine Best 1980-6-12 s.n. Sierra Sierra City Comment
  CAS-BOT-BC154013  Diplacus torreyi Rimo Bacigalupi 1927-7-2 1613 Sierra Along north fork of Yuba River halfway between Downieville and Sierra City Comment
  UC120926  Distichlis spicata J. G. Lemmon 1874-1 Sierra Sierra Co. California Comment
  SEINET8564051  Dodecatheon P. B. Kennedy, S. B. Doten 1901-7-11 150 Sierra Creek below Webber Lake, where streamlet enters. Comment
  RSA286298  Dodecatheon alpinum Robert F. Thorne 1974-7-30 45055 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  SEINET8553007  Dodecatheon alpinum W. Harnach 1989-5-13 085 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (Elvers). 1518 Comment
  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
  UCR59544  Dodecatheon alpinum B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-28 0976 Sierra Tahoe National Forest, Yuba Pass, on Hwy 49 2043 Comment
  SEINET8552882  Dodecatheon alpinum J. H. Robertson 1950-5-22 s.n. Sierra Dog Valley. 2042 Comment
  SJSU9800  Dodecatheon hendersonii C. W. Sharsmith 1982-5-30 8652 Sierra 1.25 mi NW of Sattley, Sierra Valley 1524 Comment
  SJSU14199  Dodecatheon hendersonii N. A. Hopkins 1989-7-15 1562 Sierra by Berry Cr c. 0.25 mi below Coburn L c. 5 mi S of Yuba Pass 2286 Comment
  UC416602  Downingia bacigalupii J. A. DeCow 1900-8-7 460 Sierra Campbell's Hot Springs Comment
  UC965545  Downingia bacigalupii Herbert L. Mason 1952-7-19 14441 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth road); Sierra Nevada, Sierra Valley 1524 Comment
  UCD21016  Downingia bacigalupii E. Bortiri 2002-7-4 WFC 64 Sierra Knuthson Meadows, Carman Valley, near Calpine, Sierra Co. Comment
  UC1244011  Downingia bicornuta var. bicornuta John H. Weiler, D. Willits, and F. Safwat 1959-6-20 59187 Sierra 3.8 mi ne Sattley (0.25 mi off Sattley-Beckwith road) 1524 Comment
  HSC60617  Downingia elegans Carl Wishner 1978-6-30 522 Sierra 5 mi. N of Calpine Comment
  SEINET12283534  Downingia elegans J. G. Lemmon 1874-1 136 Sierra Comment
  CAS-BOT-BC41966  Draba albertina Lowell Ahart 1975-7-13 s.n. Sierra Sierra Nevada. Near Webber Lake. 2133 Comment
  UCD160212  Draba verna A. M. Shapiro 2015-2-17 s.n. Sierra ca 1 mi N of town of Sierraville. 1524 Comment
  SJSU4143  Draba verna C. W. Sharsmith & W. Savage 1967-5-21 7535 Sierra 2.5 mi NE of Sierraville, Sierra Valley 1524 Comment
  JEPS124582 Image available Draperia systyla L. Fleckenstein 1967-6-30 30 Sierra Collected at Union Flat Campground on HWY 49 on level terrain. Comment
  SEINET12279748  Draperia systyla J. G. Lemmon 1874-1 175 Sierra Comment
  UCD161465  Drosera rotundifolia Barry Rice 2013-7-12 BR 130707 Sierra north of the road NF98. 1760 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
  SJSU4998  Drymocallis hansenii N. A. Hopkins 1968-6-29 127 Sierra Packer L 1950 Comment
  SEINET6691563  Drymocallis lactea var. austiniae W. Harnach, N. Harnach 1992-5-10 680 Sierra Located off the road on the way to Earl Jeanettes (Mtn. Quail Rd.) to the south of Calpine 1524 Comment
  CAS-BOT-BC159278  Drymocallis lactea var. lactea George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC157799  Drymocallis lactea var. lactea Anna Head 1920-6-1 s.n. Sierra Meadows near Gold Lake, Feather River Region Comment
  CAS-BOT-BC159279  Drymocallis lactea var. lactea Gordon H. True 1967-7-31 3685 Sierra Verdi Peak Road, 3.2 miles below summit 2407 Comment
  UC433179  Dryopteris arguta unknown 1890-1 Sierra Sierra Valley Comment
  JEPS124758 Image available Dudleya cymosa N. L. Rechen 1964-6-25 65 Sierra 3 miles east of Downieville on Hwy 49. Comment
  CHSC115172  Dudleya cymosa subsp. cymosa Lowell Ahart 2015-5-9 20168 Sierra On the north side of the Canyon Creek Trail, trail on the north side of the North Fork of the Yuba River, about 300 yards west of Highway 49, about one mile west of Indian Valley. 692 Comment
  CAS-BOT-BC113788  Dulichium arundinaceum R. F. Thorne; C. W. Tilforth 1969-9-6 39213 Sierra Wet margin and shallow water of Haven Lake (between Goose and Snag Lakes) 1950 Comment
  CHSC69180  Dysphania botrys Vernon Oswald 1997-8-19 8831 Sierra County Rd. 309 on Pliocene Ridge, ca. 3 air mi northeast of Alleghany, 0.1 mi southwest of Henness Pass Road (County Rd. 302). 1706 Comment
  RSA285961  Echinochloa crus-galli T. C. Fuller 1976-10-12 20168 Sierra north side of Hwy 49, 1.6 km. east of Goodyear's Creek Road. 6 km. west of Downieville Comment
  UC1112286  Elatine chilensis Herbert L. Mason 1952-8-17 14494 Sierra 0.4 mi s Little Truckee River Bridge; Sierra Nevada; S of Little Truckee River Bridge, Sierra Co. 1920 Comment
  CAS-BOT-BC33444  Elatine gracilis Herbert L. Mason 1952-8-17 14494 Sierra 0.4 mile S of Little Truckee River Bridge 1920 Comment
  RSA0002583  Elatine gracilis H. L. Mason 1952-8-17 14494 Sierra 0.4 mi S Little Truckee River Bridge. 1921 Comment
  UC985951 Image available Elatine gracilis Herbert L. Mason 1952-8-17 14494 Sierra 0.4 mi s Little Truckee River Bridge; Sierra Nevada; Sierra Co. 1920 Comment
  CAS-BOT-BC494101  Eleocharis acicularis William Harnach 2002-6-1 1076 Sierra Sierra Valley. Upper reaches of Knuthson Meadow (commonly called Carmen Valley), approx. 3 mi NE of Calpine 1520 Comment
  SEINET11753133  Eleocharis acicularis J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c. [no further locality] Comment
  SEINET3477175  Eleocharis acicularis var. acicularis Unknown 2000-7-9 8562 Sierra La Porte, La Porte, about 10.5 air miles northeast, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge 1820 Comment
  CHSC61890  Eleocharis bella Lowell Ahart 1993-9-10 7183 Sierra Meadow, near red rock outcrops, on the west side and near the end of a poor dirt road that leads to a camp and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  UC116131  Eleocharis bella J. G. Lemmon 1874-1 219 Sierra Comment
  JEPS102511  Eleocharis engelmannii Lowell Ahart 2001-9-28 9302 Sierra Around the drying ponds on the bottom of the Poverty Hill Hydraulic gold mine, north of Poverty Hill (town), about 4 miles (air) south of La Porte. 1524 Comment
  JEPS127612  Eleocharis engelmannii var. engelmannii L. P. Janeway 2014-6-23 11408 Sierra Plumas National Forest, Placer Diggins along Pine Grove Creek, just north of Pine Grove Cemetery, 1.3 air km WNW of Howland Flat. Comment
  UCD84198  Eleocharis macrostachya Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  CAS-BOT-BC494123  Eleocharis macrostachya W. Harnach; N. Harnach 2000-8-23 983 Sierra Sierra Valley. 1.5 mi W of Sierraville, on Hwy 49. Strong Pond 1505 Comment
  CHSC109881  Eleocharis obtusa Lowell Ahart 2012-9-18 18454 Sierra Bottom of Poverty Hill Hydraulic Mine, about 2 miles (air) southwest of Poverty Hill, about 4 1/2 miles (air) south of La Porte. 1388 Comment
  CAS-BOT-BC113145  Eleocharis palustris Willis Linn Jepson 1918-8-18 8044 Sierra Sierra Valley 1524 Comment
  CAS-BOT-BC113144  Eleocharis palustris John Thomas Howell 1959-6-19 1210 Sierra Open meadow, summit Yuba Pass. 2042 Comment
  CAS-BOT-BC113146  Eleocharis palustris W. R. Dudley 1909-8-26 s.n. Sierra Pond bottom near icehouse, Sierra Valley Hot Springs. Comment
  CHSC78314  Eleocharis quinqueflora Lowell Ahart 2000-7-13 8589 Sierra In a small boggy meadow, on a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany. 1615 Comment
  UC1256281  Eleocharis quinqueflora R. K. Gierisch and D. H. Esplin 1969-6-26 3478 Sierra Secret Meadow Tahoe National Forest 1981 Comment
  UCR161035  Eleocharis quinqueflora Lowell Ahart 2000-7-13 8589 Sierra Upper W branch of Black Jack Ravine, on the W side of Hwy 98: Harris Meadow, c. 7 (air) mi NE of Alleghany 1616 Comment
  SEINET3441888  Eleocharis quinqueflora Unknown 2000-7-13 8589 Sierra Alleghany, Alleghany, about 7 air miles northeast, Harris Meadow, upper west branch of Black Jack Ravine, on the west side of Forest highway 98 1610 Comment
  JEPS98303  Eleocharis suksdorfiana Lowell Ahart 2000-7-13 8588 Sierra In a small boggy meadow, on a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany. 1615 Comment
  SEINET13709739  Eleocharis suksdorfiana Lowell William Ahart, Lowell William Ahart 2000-1 8588 Sierra 7 Mi. NE of Alleghany, Harris Meadow (T19N, R11E, sec 10, SW 1/4) 5300 Ft. 1615 Comment
  CAS-BOT-BC227907  Elymus elymoides Lowell Ahart 1977-8-2 1506 Sierra Mt. Fillmore is about 12 miles north-east of La Porte 2000 Comment
  CHSC67317  Elymus elymoides subsp. brevifolius James D. Jokerst 1990-7-27 3170 Sierra Balls Ranch. Summit of Bald Mtn. Range at N end. 2621 Comment
  CAS-BOT-BC207368  Elymus elymoides subsp. californicus L. P. Janeway 1984-8-19 1053 Sierra Meadow at the second switchback down the road from Packers Saddle towards Packer Lake. 1981 Comment
  CHSC61568  Elymus elymoides subsp. californicus L. P. Janeway 1984-8-19 1053 Sierra Meadow at second switchback down the road from Packers Saddle towards Packer Lake. 1981 Comment
  UC1132967  Elymus elymoides subsp. elymoides A. Lewis 1934-7-16 512 Sierra 3/4 mi sw Wades Lake; Plumas National Forest, Downieville Quadrangle Comment
  HSC97016  Elymus elymoides var. californicus L. Ahart 2006-6-21 12809 Sierra W side of Foote Rd., about 3.7 mi. SW of Alleghany. 1094 Comment
  SJSU12125  Elymus glaucus N. A. Hopkins 1974-8-5 597 Sierra near Deer Lake Trail N of Packer Lake 1828 Comment
  SEINET10554369  Elymus glaucus Henry N. Bolander Bolander 4852 Sierra Mount Bullion. Comment
  CHSC92035  Elymus glaucus subsp. glaucus Lowell Ahart 2005-8-30 12362 Sierra East of Pass Creek, about 100 yards southeast of the falls on Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2073 Comment
  SEINET13384116 Image available Elymus glaucus var. glaucus George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-1 19437 Sierra Nothern Sierra Nevada Mountains: Henness Pass Road, 1.1 mile east of its junction with CA-89 at the north end of Kyburz Flat 1907 Comment
  CDA31737  Elymus trachycaulus T. C. Fuller 1963-7-17 10928 Sierra North side of Dog Valley Rd., 1.0 miles northwest of Verdi, Nevada, just west of stateline in Sierra County. 0 Comment
  JEPS75675  Elymus trachycaulus W. L. Jepson 1934-8-7 16869 Sierra near Sierraville; Cold Creek Comment
  CAS-BOT-BC213501  Elymus trachycaulus subsp. trachycaulus Gordon H. True; J. T. Howell 1967-8-19 4025 Sierra Independence Creek, ca. 1 mile south of Little Truckee River on Independence Lake Road 1981 Comment
  NY69931  Ephedra viridis J. G. Lemmon 1874-1 s.n. Sierra Sierra County and vicinity Comment
  UCR257806  Epilobium brachycarpum George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19428 Sierra Northern Sierra Nevada Mountains, along Hwy CA-89, c. 8 miles north of the Nevada County line 1823 Comment
  UCD84193  Epilobium campestre Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  CAS-BOT-BC171812  Epilobium canum subsp. latifolium Elmer I. Applegate 1921-9-26 2347 Sierra About one mile north of Gold Lake, near Plumas-Sierra Co. line. Comment
  CAS-BOT-BC171814  Epilobium canum subsp. latifolium Lowell Ahart 1982-7-28 3701 Sierra Found growing on dry rocky soil about 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  SJSU12100  Epilobium canum subsp. latifolium N. A. Hopkins 1982-8-1 1119 Sierra !.5 mi SW of Calpine 1524 Comment
  JEPS43819  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1934-8-2 16795 Sierra 2 mi e Bassett road sta.; North Fork Yuba River, Pioneer road sta. 1706 Comment
  JEPS43828  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1934-8-3 16823 Sierra 2 mi e Bassett road station; North Fork Yuba River, Pioneer road station 1706 Comment
  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
  SEINET12424246  Epilobium ciliatum var. glandulosum W. Harnach, N. Harnach 1990-8-17 518 Sierra Sierra Valley, 1.5 miles S of Sattley, Strang Ranch (Elvers back 80) 1524 Comment
  SBBG60234  Epilobium densiflorum E. Rockwell -Jun-1925 732 Sierra Downieville 914 Comment
  SEINET12868117  Epilobium densiflorum W. Harnach, N. Harnach 1989-6-27 185 Sierra Sierra Valley, Calpine Ranch (home). 1506 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
  SEINET12861904  Epilobium hallianum P. B. Kennedy, S. B. Doten 1901-7-5 91 Sierra [Sierra Nevada] spring near Webber Lake Comment
  JEPS125692  Epilobium minutum William Harnach 2013-5-1 1325 Sierra 1.6 miles West of Goodyears Bar on Highway 49 and North of the Ramshorn campground. Comment
  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
  UCSB27414  Epilobium minutum Kunze, G. 1971-6-6 Sierra California 49, 3 miles north of North San Juan 1371 Comment
  SEINET12191334  Epilobium obcordatum J. G. Lemmon 1874-1 82 Sierra 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-BC57031  Equisetum arvense J. H. Hatton 1912-9-15 H- 49 Sierra Sierra National Forest, Blaney Meadows 2255 Comment
  CAS-BOT-BC57801  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
  CHSC66779  Equisetum laevigatum Vernon H. Oswald; Lowell Ahart 1996-8-19 8223 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 0.4 mi S of Forest Rt. 15 to Sierraville. 2316 Comment
  POM312960  Equisetum laevigatum H. L. Mason 1953-7-7 14557 Sierra N 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
  CAS-BOT-BC174163  Eremogone aculeata W. Harnach; N. Harnach 1991-6-24 584 Sierra Sierra Valley. Antelope Valley 1707 Comment
  SEINET5336668  Eremogone aculeata S. B. Doten, Patrick Beveridge Kennedy 1901-7-12 158 Sierra [Sierra Nevada] Webber Lake, below falls Comment
  CAS-BOT-BC174312  Eremogone congesta var. suffrutescens H. Albert Barker 1926-7-8 294 x Sierra Gold Lake Ridge 2072 Comment
  SEINET12875580 Image available Eremogone congesta var. suffrutescens J. G. Lemmon 1874-1 [s.n.] Sierra Webber Lake Comment
  CAS-BOT-BC286691  Ericameria bloomeri L. P. Janeway; Garrett Gibson 1991-9-8 4141 Sierra Plumas National Forest, Beckwourth Ranger District. 1 1/2 mi east of Mills Peak, above Mohawk Valley 1905 Comment
  CHSC52798  Ericameria bloomeri L. P. Janeway 1984-8-11 975 Sierra Ridgetop just south of Packer Saddle. 2148 Comment
  JEPS31329  Ericameria bloomeri W. L. Jepson 1934-8-7 16877 Sierra Onion Valley Comment
  JEPS31331  Ericameria bloomeri W. L. Jepson 1918-8-19 8073 Sierra Lake Independence, Sierra-Nevada Cos. line Lake Independence 2011 Comment
  UC579581  Ericameria bloomeri C. G. Albertus 1935-8-28 275 Sierra 6.5 mi nw Sattley; Sierraville Quad. 1584 Comment
  UCR45976  Ericameria bloomeri R. D. Goeden 1986-9-10 s.n. Sierra Sierra Nevada Mtns, Above Perazo Meadow, on the north side of Fibreboard Rd, NW of Truckee & c. 10 mi. east of Jackson Meadow Reservoir, Tahoe National Forest 2012 Comment
  CAS-BOT-BC292390  Ericameria nauseosa R. K. Gierisch; D. H. Esplin 1969-9-25 3617 Sierra Tahoe Forest Comment
  UCD22394  Ericameria nauseosa var. oreophila Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1316 Sierra Sierra Countyl: Along Hwy 49 NE of the town of Sierraville, ca. 2 road miles from town. Roadside. 1524 Comment
  CAS-BOT-BC299460  Ericameria nauseosa var. speciosa Roxana S. Ferris 1926-9-7 6841 Sierra Ebbett Pass Road, site of old town of Silver Mountain Comment
  CHSC57411  Ericameria nauseosa var. speciosa L. P. Janeway 1984-9-1 1105 Sierra Sierra Crest just above and east of Oakland Lake and Snake Lake. 2270 Comment
  CHSC66796  Ericameria nauseosa var. speciosa Vernon H. Oswald; Lowell Ahart 1996-8-19 8236 Sierra Northern High Sierra Nevada. Forest Rt. 07 E of Webber Lake, 0.5 mi E of the road to Lake of the Woods. Roadside. 2042 Comment
  JEPS117162  Ericameria nauseosa var. speciosa Lowell Ahart, John Dittes 2010-10-5 17300 Sierra On the east side of Antelope Valley road, about 100 yards south of Highway 49, 3.6 miles (air) west of Loyalton, 6.8 miles (air) northeast of Sierraville 1498 Comment
  UCD131548  Ericameria parryi var. nevadensis K. M. Meyer; A. Townesmith 2007-7-15 117 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  UCR178680  Ericameria parryi var. nevadensis Ellen Dean, Arthur M. Shapiro 2002-9-28 1317 Sierra Along Hwy 49 NE of the town of Sierraville, c. 2 road miles from town. Roadside 1524 Comment
  UC477537  Erigeron aphanactis var. aphanactis L. S. Smith 1931-6-29 2572 Sierra Tahoe Nat. Forest 2133 Comment
  CHSC79675  Erigeron bloomeri G. F. Hrusa; E. Sandoval 1993-5-30 11158 Sierra Sierra Valley Region. On 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
  UC579477  Erigeron bloomeri var. bloomeri E. Sawyer 1935-6-28 253 Sierra 1 1/2 mi se Sattley; Sierraville Quadrangle 1493 Comment
  CAS-BOT-BC294477  Erigeron bloomeri var. bloomeri James T. Vale 1979-6-4 s.n. Sierra Sierraville Comment
  UC382599  Erigeron bloomeri var. bloomeri David D. Keck 1928-6-13 429 Sierra Newman Point Sierra Valley, Newman Point 1524 Comment
  CAS-BOT-BC297150  Erigeron concinnus var. concinnus A. A. Heller; P. B. Kennedy 1907-7-1 8664 Sierra Purdy Comment
  JEPS96057  Erigeron coulteri Vernon H. Oswald and Lowell Ahart 1996-8-19 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just s road to Lincoln Valley; northern High Sierra Nevada 2255 Comment
  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
  SEINET8667136 Image available Erigeron divergens W. Harnach, N. Harnach 2000-8-5 978 Sierra Sierra Valley. 1.5 miles west of Sierraville, CA on Hwy 49. Strang Pond. 1506 Comment
  UC1118127  Erigeron divergens G. T. Nordstrom 1936-7-23 960 Sierra 2 mi sw Purdy; Sierraville Quad. 1615 Comment
  SJSU12107  Erigeron divergens N. A. Hopkins 1983-6-15 1133 Sierra Upper Long Valley just west of Bordertown 1584 Comment
  UC585083  Erigeron eatonii var. nevadincola E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1623 Sierra about 3.5 mi ne of Sierraville (on road to Loyalton, se edge of Sierra Valley); Sierra Valley, Newman point 1615 Comment
  CAS-BOT-BC300847  Erigeron glacialis var. glacialis L. P. Janeway 1989-8-11 3578 Sierra Plumas National Forest, Beckwourth Ranger District. Northeast flank of Haskell Peak and ca 3/4 mi northwest of Chapman Saddle 2133 Comment
  CHSC60602  Erigeron glacialis var. glacialis L. P. Janeway 1984-7-29 947 Sierra About 3-1/2 mi southeast from Gold Lake, near Road 28 (21N11). Ridgetop/saddle. 2225 Comment
  CHSC72428  Erigeron glacialis var. glacialis L. P. Janeway 1998-7-24 5833 Sierra West end of Church Meadows; west side of Road 721 0.3 mi northeast of Gold Lake Hwy (Road 620). Narrow low ridge between two meadows. 2033 Comment
  HSC93195  Erigeron glacialis var. glacialis Vernon H. Oswald, L. Ahart 1996-8-19 8193 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12), just S of road to Lincoln Valley 2256 Comment
  SBBG25625  Erigeron glacialis var. glacialis K. K. Muller 1963-8-15 1234 Sierra 3 mi N of Gold Lake on Gold Lake Rd between State Hwys 49 and 89 Comment
  CAS-BOT-BC300854  Erigeron glacialis var. glacialis Charlotte Pyle 1978-8-1 s.n. Sierra Sierra Buttes Comment
  SJSU14318  Erigeron inornatus N. A. Hopkins 1989-8-6 1569 Sierra on Deadmans Peak 1981 Comment
  JEPS41435  Erigeron inornatus var. inornatus J. G. Lemmon Sierra Sierra Valley Comment
  UC177077  Erigeron inornatus var. inornatus J. G. Lemmon 1875-1 Sierra Comment
  CAS-BOT-BC295476  Erigeron lassenianus var. lassenianus Mrs. H. C. Cantelow 1938-7-2 2361 Sierra 4 1/2 mi. n.w. of Calpine Comment
  SEINET8667779 Image available Erigeron nevadincola W. Harnach, N. Harnach 1990-6-10 352 Sierra Sierra Valley, W of Loyalton, Balderson Ranch (Antelope Valley) 1524 Comment
  SEINET11850865  Erigeron nevadincola J. G. Lemmon 1874-1 105 Sierra Sierra Co. &c Comment
  CAS-BOT-BC300113  Erigeron pumilus var. intermedius Gordon H. True; Barbara Trowbridge 1977-7-25 8362 Sierra Independence Lake Watershed, Sierra-Nevada County. Stampede Reservoir, ca. 6 miles north of Boca on Little Truckee River, north of Nevada County line 1802 Comment
  SEINET8687531 Image available Erigeron pumilus var. intermedius A. A. Heller, P. B. Kennedy 1907-7-1 8664 Sierra Purdy Comment
  SJSU12001  Erigeron pumilus var. intermedius N. A. Hopkins 1973-6-19 551 Sierra 3 miles N of Loyalton, Sierra Valley 1493 Comment
  UC336110  Erigeron pumilus var. intermedius unknown 1889-1-1 Sierra Sierra Valley Comment
  UCD132079  Erigeron tener K. M. Meyer; A. Townesmith 2007-7-15 114 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  CAS-BOT-BC216036  Eriodictyon californicum Eva Kennedy 1909-1-1 9 Sierra Downieville Comment
  UCR270906  Eriogonum John F. Emmel 1998-6-6 1556 Sierra Northern Sierra Nevada Mtns., foothills at east edge of Sierra Valley, along Hwy 49 near west base of Rice Hill 1585 Comment
  JEPS57078  Eriogonum baileyi var. baileyi J. G. Lemmon 1872-9-1 Sierra Sierra Valley Comment
  SJSU9807  Eriogonum douglasii var. meridionale C. W. Sharsmith 1982-5-30 8658 Sierra 2 mi N of Sattley on Sattley-Beckwourth Rd, 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
  UC1032038  Eriogonum elatum G. T. Nordstrom 1936-7-9 913 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  CAS-BOT-BC246513  Eriogonum elatum var. elatum W. Harnach; N. Harnach 1989-8-7 241 Sierra Sierra Valley. Calpine Ranch (home) 1508 Comment
  CAS-BOT-BC256782  Eriogonum incanum J. T. Rothrock No date on label 246 Sierra Lemmon Comment
  CAS-BOT-BC259362  Eriogonum lobbii Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  SEINET8584761  Eriogonum marifolium W. Harnach 2012-7-31 1281 Sierra Approx 0.25 air miles NE of Coburn Lake. Approx 5 air miles SE of Yuba Pass on Hwy 49. 2192 Comment
  UCR54282  Eriogonum marifolium B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0946 Sierra Sierra Nevada Mtns., Plumas National Forest, Gold Lake, near the boat ramp 1960 Comment
  CHSC45847  Eriogonum marifolium var. marifolium Lowell Ahart 1977-8-2 1520 Sierra On the ridge on the west side of Mount Fillmore, near the summit, about 12 miles north-east of la Porte. 2194 Comment
  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
  CHSC56567  Eriogonum marifolium var. marifolium L. P. Janeway 1984-8-3 960 Sierra Top of the ridge (Sierra crest) west of Packer Lake (just north of Packer Saddle). On rocky outcrop on east side of ridge. 2164 Comment
  CHSC67270  Eriogonum microthecum var. laxiflorum James D. Jokerst 1989-7-14 3141 C Sierra 1.25 mi SW of Balls Ranch on rocky knob W of dirt road. 2042 Comment
  CHSC67277  Eriogonum microthecum var. laxiflorum James D. Jokerst 1990-7-27 3166 Sierra Balls Ranch. Summit of Bald Mtn. Range at N end. 2621 Comment
  SEINET5330932  Eriogonum nudum W. Harnach, N. Harnach 2000-7-4 932 Sierra Approx 1/2 mile north of Coburn Lake at the end of access road. 2188 Comment
  CAS-BOT-BC260787  Eriogonum nudum var. deductum Gordon H. True 1971-9-7 7047 Sierra On Mt. Lola Trail, Cold Stream Canyon 2316 Comment
  SEINET8584751  Eriogonum nudum var. deductum W. Harnach 2012-8-1 1290 Sierra At the crossing of Howard Creek on Forest Road 09, Tahoe National Forest. 2083 Comment
  SEINET5330892  Eriogonum nudum var. deductum M. J. Williams 1983-8-7 83- 133 -2 Sierra Verdi Ridge, above Dog Valley 2316 Comment
  CAS-BOT-BC261613  Eriogonum nudum var. nudum Lowell Ahart 1980-9-9 2601 Sierra Between the outlet of Webber Lake and Little Truckee River 2200 Comment
  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
  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
  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
  CHSC67273  Eriogonum spergulinum var. reddingianum James D. Jokerst 1990-7-27 3188 Sierra Summit of Bald Mtn. Range near its center. 2621 Comment
  JEPS56340  Eriogonum spergulinum var. reddingianum J. G. Lemmon Aug. 1874 Sierra Sierra Valley Comment
  POM165250  Eriogonum spergulinum var. reddingianum M. S. Baker 1899-7-31 27 Sierra Ash Creek, Mt. Shasta. 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
  CAS-BOT-BC267525  Eriogonum umbellatum Lowell Ahart 1982-7-28 3698 Sierra About 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  SEINET8584714  Eriogonum umbellatum subsp. polyanthum W. Harnach 2015-7-2 1427 Sierra Goodyears Bar, intersection of Hwy 49 and Mtn. House Road. 836 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
  CHSC67684  Eriogonum umbellatum var. nevadense James D. Jokerst 1990-7-27 3165 Sierra Balls Ranch Surveys for Jones and Stokes. Summit of Bald Mtn. Range at N end. 2621 Comment
  SEINET3872980  Eriogonum umbellatum var. nevadense Richard R. Halse 2010-8-26 8092 Sierra Along State Hwy. 49 ca 7.6 miles west of Loyalton or ca 5 miles north of Sierraville.; 0 1508 Comment
  UCR257736  Eriogonum umbellatum var. nevadense George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19464 Sierra Northern Sierra Nevada Mountains, Little Truckee River valley along Hwy CA-89, 3.5 road miles north of the Nevada County line, 9.6 air miles SE (136 deg. ) of Sierraville 1878 Comment
  CHSC69187  Eriogonum umbellatum var. polyanthum Vernon Oswald; Lowell Ahart 1997-8-19 8820 Sierra Mountain House Rd. (County Rd. 300) 1.3 mi south of Goodyears Bar. On a roadcut. 899 Comment
  JEPS125779  Eriogonum umbellatum var. polyanthum William Harnach 2015-7-2 1427 Sierra Goodyears Bar, intersection of Highway 49 and Mountain House Road. Comment
  JEPS95087  Eriogonum umbellatum var. polyanthum Vernon Oswald and Lowell Ahart 1997-8-19 8820 Sierra Mountain House Road (County Road 300) 1.3 mi s of Goodyears Bar; Mountain House Road 899 Comment
  SEINET523072  Eriogonum umbellatum var. polyanthum Paul Opler 2002-6-27 Sierra Bear Valley Rd., SSW Loyacton. 1829 Comment
  JEPS56181  Eriogonum umbellatum var. torreyanum J. G. Lemmon Aug. 1872 Sierra near Webber Lake Comment
  JEPS110053  Eriogonum 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
  CAS-BOT-BC262288  Eriogonum ursinum H. Albert Barker 1926-7-18 135 Sierra Gold Lake Ridge - Summit 2133 Comment
  SJSU9511  Eriogonum ursinum Dixie Funnell 1965-6-29 33 Sierra near Goodyears Bar on N Yuba R c. 4.5 mi W of Downieville 833 Comment
  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
  JEPS118176  Eriogonum ursinum var. ursinum Dean W. Taylor 2011-8-11 21156 Sierra Henness Pass Road 3 miles West from Milton Reservoir (Middle Fork Yuba River watershed) 2061 Comment
  SEINET530715  Eriogonum ursinum var. ursinum Paul Opler 2007-6-29 Sierra Tahoe National Forest, Sierra Buttes trail, above Packer Saddle. Comment
  SEINET527221  Eriogonum ursinum var. ursinum Paul Opler 2004-6-25 Sierra Tahoe National Forest: Sierra Butte trail, 1 mile south of Packer Saddle trailhead. Comment
  HSC93307  Eriogonum vimineum Vernon H. Oswald, L. Ahart 1996-8-19 8238 Sierra S side of Little Truckee River Bridge on the rd. to Independence Lake, S of USFS Rd. 07, 1.0 mi. W of Hwy. 89 1951 Comment
  JEPS19660  Eriogonum vimineum W. L. Jepson 1934-7-30 16776 Sierra Downieville Comment
  SEINET8655744  Eriogonum vimineum W. Harnach 2012-10-7 1295 Sierra Alvin Powers picnic grounds, 5.0 miles south of Hwy 49 on Smithneck Road, Loyalton 1663 Comment
  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
  CAS-BOT-BC261801  Eriogonum wrightii var. subscaposum Roxana S. Ferris 1926-9-7 6842 Sierra Site of old town of Silver Mt. Comment
  CAS-BOT-BC112343  Eriophorum gracile E. C. Sutliffe 1918-7-1 s.n. Sierra Lush Meadows Comment
  JEPS109901  Eriophorum gracile Dean W. Taylor 2006-8-24 19627 Sierra MAIDEN VALLEY; watershed Middle Fork Feather River (ca. 5 air miles SW of Sierraville) 2179 Comment
  UCR60811  Eriophyllum lanatum B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-28 0898 Sierra Sierra Nevada Mtns., Convict Flat Picnic Area, on North Yuba River, 12 mi NE of Camptonville on Hwy 49 780 Comment
  RSA0035528  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-5 20781 Sierra Along CA-49, 1.7 miles west of Goodyears Bar, c. 11 miles NE of Yuba Co. line 793 Comment
  CAS-BOT-BC301394  Eriophyllum lanatum var. grandiflorum Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
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Mar 18 2018
  JEPS110043  Eriophyllum lanatum var. grandiflorum Lowell Ahart 2006-6-21 12810 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  LA83351  Eriophyllum lanatum var. grandiflorum O. H. Kappler; 1946-7-20 1339 Sierra N Fork, Yuba River 822 Comment
  CAS-BOT-BC308275  Eriophyllum lanatum var. integrifolium L. Constance 1933-7-5 113 Sierra 10 mi. e. of Sierraville 1981 Comment
  CAS-BOT-BC308276  Eriophyllum lanatum var. integrifolium W. Harnach; N. Harnach 1990-6-10 354 Sierra Balderson Ranch, Antelope Valley 1524 Comment
  CHSC110246  Eriophyllum lanatum var. integrifolium L. P. Janeway 2012-6-24 10897 Sierra Northern High Sierra Nevada. Top of band of serpentine along Sawmill Ridge 1.0 km southeast of Delahunty Lake and 2.7 km northwest of Mt Fillmore. 1901 Comment
  SEINET11850754  Eriophyllum lanatum var. integrifolium J. G. Lemmon 1874-1 s.n. Sierra Sierra Co., &c Comment
  UCD84218  Eryngium alismifolium 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
  SEINET11993486  Erysimum asperum F. H. Utech 1986-1 86 -090 Sierra Tahoe Natioanal Forest, ca 1 mi N of junction North Yuba River & CA 49 bridge 950 Comment
  CAS-BOT-BC54566  Erysimum capitatum W. Harnach; N. Harnach 1990-5-28 330 Sierra Sierra Valley. Balderson Ranch (Antelope Valley). 1554 Comment
  SEINET8665970  Erysimum capitatum var. capitatum W. Harnach 2013-4-6 1302 Sierra 1.6 miles west of Goodyears Bar on Hwy 49 and north of the Ramshorn campground. 902 Comment
  CAS-BOT-BC54949  Erysimum perenne Lester Rowntree 1935-6-15 s.n. Sierra Above Downieville. Comment
  SJSU14275  Erysimum perenne N. A. Hopkins 1989-7-1 Sierra Yuba Pass-Weber L Rd, 6-7 mi S of Yuba Pass 2316 Comment
  CHSC43504  Erythranthe breweri Lowell Ahart 1977-7-15 1471 Sierra In the meadow on the north side of Mount Fillmore, about 12 miles north-east of La Porte. 2133 Comment
  SD61110  Erythranthe floribunda Darley F. Howe 1964-7-28 Sierra 5.5 mi. so. of Gold Lake Lodge, Tahoe Nat. Forest 1829 Comment
  CHSC43996  Erythranthe guttata L. P. Janeway 1984-8-18 1009 Sierra Near middle of mdw near the second switchback (towards southeast) from Packers saddle. 1981 Comment
  SEINET14291748  Erythranthe guttata S. B. Doten, P. B. Kennedy 1901-7-8 118 Sierra Falls below Webber Lake. Comment
  SEINET14291853  Erythranthe guttata W. Harnach, N. Harnach 1989-6-10 141 Sierra Sierra Valley, Strang Creek on Hwy 49 1503 Comment
  JEPS125721  Erythranthe lewisii William Harnach 2015-8-19 1440 Sierra Basset's Station, intersection of Highway 49 and the Gold Lake Road. 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
  CHSC78272  Erythranthe primuloides Lowell Ahart 2000-7-13 8582 Sierra On damp sand along Negro Creek, west of Burlington, about 2 miles (air) northwest of Middle Waters, about 8 miles (air) northeast of Alleghany. 1584 Comment
  CAS-BOT-BC502722  Erythronium grandiflorum L. S. Smith 1939-6-8 1757 Sierra Rebel Ridge Range, Tahoe National Forest 701 Comment
  CHSC43359  Erythronium purpurascens Lowell Ahart 1977-4-20 1317 Sierra About 5 miles north-east of Alleghany. 1371 Comment
  JEPS50834  Erythronium purpurascens Theodore Niehaus 1967-6-7 764 Sierra Pipe Creek where it crosses Canyon Creek; Pipe Creek 1828 Comment
  SEINET10528921  Erythronium revolutum H. M. Evans 1921-7-23 Evans s.n. 1921 Sierra Salmon Lake. 7600 feet. 2310 Comment
  JEPS124523 Image available Eschscholzia californica Joe Ammirati 1964-6-26 113 Sierra In Downieville, on HW 49 Comment
  JEPS124524 Image available Eschscholzia californica B. Corwin 1964-7-6 140 Sierra 1/2 mile east from junction of rte. 89 and Sattley-Beckwoorth Road. Comment
  CAS-BOT-BC177104  Eucephalus breweri J. Semple; S. Heard 1986-8-13 8404 Sierra Ca-49, W of Yuba Pass, campground 1737 Comment
  CAS-BOT-BC310401  Eucephalus breweri A. R. Kruckeberg 1954-8-2 3687 Sierra Just 1/2 mi. w of Sierra Buttes lookout, Tahoe N.F. 2438 Comment
  JEPS5822  Eucephalus breweri W. L. Jepson 1934-8-3 16825 Sierra 2 mi e, Pioneer Road Sta. Bassett Road Sta.; North Fork Yuba River Comment
  UC1609030  Eucephalus breweri Lowell Ahart 1993-9-24 7251 Sierra about 3/4 mi s dirt road from Gibsonville to Johnsville (n side of mt.); Mount Fillmore 2133 Comment
  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
  CHSC40978  Eurybia integrifolia James D. Jokerst 1984-7-23 2110 Sierra Several miles east of Sierra City, ca 200 feet north of Haypress Creek. 1767 Comment
  SJSU12248  Eurybia integrifolia N. A. Hopkins 1982-8-1 1116 Sierra c. 1 mi SW of Calpine 1524 Comment
  UC1557870  Euthamia occidentalis J. Semple and S. Heard 1986-8-13 8412 Sierra Fiddle creek Campground W of Downieville on CA-49 Comment
  RSA507798  Euthamia occidentalis J. C. Semple, S. Heard 1986-8-13 8412 Sierra CA-49 W of Downieville; at Fiddle Creek Campground 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
  CHSC52487  Festuca viridula L. P. Janeway 1989-8-18 3164 Sierra Plumas National Forest. NE flank near top of ridge ca 3 mi E of Haskell Pk overlooking Sulphur Cr. 2225 Comment
  SJSU12256  Festuca viridula N. A. Hopkins 1974-8-5 594 Sierra near Packer Lake 1898 Comment
  SEINET8248461  Festuca viridula John B. Sunberg 1900-8-4 Sierra Webber Lake. 2134 Comment
  CHSC47431  Floerkea proserpinacoides Lowell Ahart 1981-6-23 2871 Sierra Near the edge of a very small stream on the north side of the road, near the base of Mount Etna, about 11 miles northeast of La Porte. 1828 Comment
  JEPS123994  Fragaria vesca Lowell Ahart 2015-5-9 20170 Sierra About one mile west of Highway 49, about 2 miles west of Indian Valley. Comment
  CAS-BOT-BC60005  Frangula purshiana Elmer I. Applegate 1921-9-7 3359 Sierra Gold Lake, northern Sierra Co. Comment
  CAS-BOT-BC60006  Frangula purshiana Carl B. Wolf 1937-8-6 9048 Sierra Northern Sierra Nevada, N. Fork Yuba River, 5 mi. above Downieville. 1066 Comment
  JEPS118689  Frangula purshiana subsp. ultramafica L. P. Janeway 2011-9-15 10734 Sierra Northern High Sierra Nevada. Plumas National Forest; just above Slate Creek; along the road to Johnsonville (Road 900; Road 22N12X) 3.2 road km east of Quincy-La Porte Road; 0.7 km northeast of Delahunty Lake: Whiskey Diggings. Onion Valley 7.5' quad. Comment
  JEPS124788 Image available Frangula rubra Reinhard Jockel 1969-6-27 17 Sierra At side of jeep road between 1st 2nd Sardine Lake. E of Sierra Buttes. Comment
  CAS-BOT-BC59592  Frangula rubra subsp. rubra Olga Reifschneider 1953-9-26 s.n. Sierra Highway 40 along Truckee River near Nevada-California line. Comment
  CAS-BOT-BC59595  Frangula rubra subsp. rubra John Thomas Howell; R. C. Barneby 1954-5-13 29544 Sierra 4 miles below Downieville on North Fork Yuba River 807 Comment
  CAS-BOT-BC504415  Fritillaria atropurpurea Rimo Bacigalupi 1927-7-2 1597 Sierra Near Yuba Pass 1950 Comment
  POM273478  Fritillaria pudica J. W. Morrison s.n. Sierra Town: Loyalton; Mt. Range: Sierra Nevada; River: Feather; Sierra Valley. 1220 Comment
  UC585183  Galium bolanderi E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1670 Sierra on highway 1 1/2 mi s Sierraville 1600 Comment
  CHSC94231  Galium grayanum var. grayanum Lowell Ahart 2006-6-28 12886 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
  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
  CHSC80971  Galium trifidum var. pusillum Lowell Ahart 2001-8-10 9091 Sierra About 100 feet southeast of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  CAS-BOT-BC182242  Garrya fremontii Mrs. E. C. Sutcliffe 1926-10-16 s.n. Sierra Salmon Lake Comment
  CHSC32071  Garrya fremontii L. Ahart 1976-7-30 1184 Sierra On e side of Mt. Fillmore. Red Fir Forest. 1981 Comment
  JEPS66755  Garrya fremontii W. L. Jepson 16848 Sierra 2 mi e Bassett sta. (Pioneer road sta.); North Fork Yuba River Comment
  POM161773  Garrya fremontii R. C. Bacigalupi 1927-7-2 1614 Sierra Along North Fork of Yuba River, halfway between Downieville and Sierra City. 2073 Comment
  SJSU10866  Garrya fremontii M. D. Fleschner 1965-6-29 Sierra Sand Pond c. 6 mi NW of Sierra City on State Rte 49 1706 Comment
  UCD121159  Garrya fremontii T. I. Storer 1929-6-21 2029 Sierra 5 mi. from Gold Lake. 1524 Comment
  UCD38337  Garrya fremontii Beecher Crampton 1954-5-11 1896 Sierra 2 miles east of Sierra City. Hwy 49. 1341 Comment
  SEINET10453255  Gayophytum Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4492 Sierra Near a dirt road that is ca. 2 mi se of Jackson Meadow Reservoir, ca. 1 mi s of Pass Creek, near Jackson Meadow Reservoir. Red Fir Forest; 2200 m. 2200 Comment
  POM203461  Gayophytum diffusum subsp. parviflorum L. S. Rose 1934-7-20 34394 Sierra Gold Lake. 1951 Comment
  CHSC47681  Gayophytum heterozygum Lowell Ahart 1989-8-16 6378 Sierra At Ahart Sheep Camp about 1 mile north-west of Milton Reservoir. 1706 Comment
  UC1368494  Gentiana newberryi R. K. Gierisch 1969-8-29 3578 Sierra Saddle meadow Tahoe Forest 1981 Comment
  CHSC89812  Gentiana newberryi var. newberryi G. Douglas Barbe 1978-8-30 2422 Sierra Meadow area beside Hwy 89, 2 mi N of Sierra Co. line, W of Little Truckee River (0.6 mi S of the bridge crossing the river). 1875 Comment
  HSC93247  Gentianopsis simplex Vernon H. Oswald, L. Ahart 1996-8-19 8219 Sierra Northern High Sierra Nevada, Yuba Pass-Weber Lake Rd. (Forest Rte. 12), 1.5 mi. S of the road to Haypress Valley 2195 Comment
  SDSU7159  Gentianopsis simplex D. F. Howe 1959-8-2 2779 Sierra 1 mile west of Yuba Pass. 1829 Comment
  CAS-BOT-BC459370  Geum macrophyllum W. Harnach; N. Harnach 1989-6-10 135 Sierra Sierra Valley, Strang Creek on Hwy. 49 1502 Comment
  UC568788  Gilia brecciarum subsp. brecciarum G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2137 Sierra about 3 1/2 mi e Loyalton; e of Loyalton 1615 Comment
  JEPS117445  Gilia capillaris Lowell Ahart 2010-9-15 17164 Sierra Open areas, around trees, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  SEINET10496737  Gilia capillaris Lowell Ahart 1991-7-22 Ahart 6676 Sierra Along a small stream in French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles northwest of Webber Lake. Mountain Meadow in Red Fir Forest. T19N R7E NW/S24. 2134 Comment
  RSA491814  Gilia capitata B. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 672 Sierra Above Ramshorn Campground, on Hwy. 49, ca. 15 miles NE of Camptonville and ca. 5 miles W of Downieville. 823 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
  UCR249164  Gilia capitata subsp. mediomontana George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20797 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  JEPS125693  Gilia capitata subsp. pedemontana William Harnach 2013-5-1 1326 Sierra 1.6 miles West of Goodyears Bar on Highway 49 and North of the Ramshorn campground. Comment
  SJSU11645  Gilia capitata subsp. pedemontana M. R. Kempf 1965-6-29 225 Sierra Hwy 49, 2 mi E of Downieville 822 Comment
  SEINET12344799  Gilia sinuata J. G. Lemmon 1874-1 s.n. Sierra Comment
  UC185951  Githopsis specularioides J. G. Lemmon 1875-1 17 Sierra Comment
  CAS-BOT-BC283847  Glyceria borealis Malcom A. Nobs; S. Galen Smith 1949-8-20 1500 Sierra About 0.5 mile W of Loyalton on road to Sierraville, Sierra Valley Comment
  CHSC113664  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. Southeast-facing slope. 1823 Comment
  CHSC69978  Glyceria elata L. P. Janeway; Eric Schroder 1997-8-20 5354 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. Along creek. 2042 Comment
  JEPS75453  Glyceria elata W. L. Jepson 1934-8-3 Sierra 2 mi e Bassett (Pioneer road station); North Fork Yuba River 1706 Comment
  UCD66842  Glyceria elata A. A. Beetle 1944-8-17 3053 Sierra 5 miles northeast of Sierraville, above north fork of Yuba River. Comment
  UCR45297  Gnaphalium canescens subsp. beneolens R. D. Goeden 1986-9-10 s.n. Sierra Tahoe Nat'l Forest, Jackson Meadow Reservoir, 22 mi NW of Truckee, north side of Fireboard Rd. 1890 Comment
  CAS-BOT-BC302485  Gnaphalium palustre John Thomas Howell 1951-8-21 28273 Sierra Yuba Pass 2042 Comment
  CHSC46925  Gnaphalium palustre Lowell Ahart 1983-10-27 4484 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadow Reservoir, about 1 mile south of Pass Creek. 2011 Comment
  SEINET8770735 Image available Gnaphalium palustre W. Harnach, N. Harnach 2000-6-17 921 Sierra Sierra Valley; approx. 1 mile north of Sattley, CA on A-23 1497 Comment
  SJSU12152  Gnaphalium palustre N. A. Hopkins 1975-8-26 725 Sierra c. 2 mi N of Independence L 2103 Comment
  SJSU12262  Gnaphalium palustre N. A. Hopkins 1983-7-9 1157 Sierra 1 mi SW of Calpine 1524 Comment
  CHSC81408  Gratiola ebracteata Lowell Ahart 2001-9-28 9296 Sierra Around the drying ponds on the bottom of the Poverty Hill Hydraulic gold mine, north of Poverty Hill (town), about 4 miles (air) south of La Porte. 1524 Comment
  UCD84205  Gratiola ebracteata Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  SCFS1039  Grindelia camporum F. Felix 2014-1 Sierra Sagehen Basin. Behind highway-89 garage Comment
  RSA719704  Grindelia squarrosa Michael A. Vincent, K. Levings 2006-7-29 12923 Sierra Along Rt 395, 2.1 miles S of the Lassen County line. Comment
  SEINET8770820 Image available Grindelia squarrosa I. LaRivers 1969-7-25 s.n. Sierra Verdi Comment
  SEINET12615446  Hackelia floribunda W. Harnach, N. Harnach 1991-7-7 619 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  RSA7941  Hackelia nervosa H. A. Barker 1927-7-6 787 Sierra Gold Lake 1982 Comment
  NY178930  Haplopappus paniculatus var. stenocephalus J. G. Lemmon 1874-1 98 Sierra Sierra Co. &c. Comment
  NY178931  Haplopappus paniculatus var. stenocephalus J. G. Lemmon 1874-1 98 Sierra Sierra Co. &c. Comment
  CAS-BOT-BC508220  Hastingsia alba Charlotte Pyle 1978-7-26 s. n. Sierra Darlingtonia site' Comment
  UC614540  Helianthella californica subsp. nevadensis L. Constance 1938-6-9 2301 Sierra junction of of North and South Forks of the North Fork of the Yuba River Sierra City 1371 Comment
  CAS-BOT-BC314808  Helianthella californica var. nevadensis L. P. Janeway 1984-8-12 994 Sierra Ridge-top just south of Packer Saddle 2148 Comment
  CDA11873  Helianthella californica var. nevadensis G. F. Hrusa, J. Jokerst 1991-7-5 8534 A Sierra Sierra Valley Region; Antelope Valley. Comment
  OBI78116  Helianthella californica var. nevadensis Carl B. Wolf 1937-8-6 9063 Sierra Northern Sierra Nevada, 1/2 mi NE of Gold Lake 1920 Comment
  RSA21703  Helianthella californica var. nevadensis C. B. Wolf 1937-8-6 9063 Sierra Northern Sierra Nevada, 1/2 mile NE of Gold Lake 1921 Comment
  SJSU4526  Helianthella californica var. nevadensis H. L. Buckalew 1964-7-19 Sierra Yuba Pass 2042 Comment
  CAS-BOT-BC305367  Helianthus annuus W. Harnach; N. Harnach 1991-7-24 656 Sierra Sierra Valley. Lemon Canyon road, approx 1 1/2 miles east of Hwy 49 1524 Comment
  CAS-BOT-BC305562  Helianthus bolanderi Mrs. H. C. Cantelow 1951-7-23 13 Sierra Hwy. 89 between Calpine and Satley [Sattley] Comment
  CAS-BOT-BC305566  Helianthus bolanderi John Thomas Howell 1955-7-20 30876 Sierra Near Calpine 1508 Comment
  RSA79296  Helianthus bolanderi E. K. Balls, Percy C. Everett 1952-10-9 18125 Sierra Sagebrush Scrub Community, 6.7 mi. n.w. of Sierraville, Hwy 89, 1.9 miles north of jct. with Hwy 49. 1280 Comment
  SEINET11197279 Image available Hemizonella minima W. Harnach, N. Harnach 1989-6-24 164 Sierra Sierra Valley. 0.5 miles S of Sattley, Martinetti Ranch. At the borrow pit. 604 Comment
  SJSU9814  Hemizonella minima C. W. Sharsmith 1982-5-30 8664 Sierra 2 mi N of Sattley on Sattley-Beckwourth Rd, Sierra Valley 1524 Comment
  UC1597344  Hemizonella minima J. G. Lemmon 1875-1 Sierra Comment
  UCD103892  Hesperis matronalis A. M. Shapiro 2011-6-19 s.n. Sierra In town of Sierraville along Hwy 89. 1524 Comment
  CDA11878  Hesperolinon micranthum G. F. Hrusa, J. Jokerst 1991-7-5 8539 A Sierra Sierra Valley Region; S side of Golden Dome, Antelope Valley approx. 3 miles above Sierra Valley. Comment
  UC1212243  Hesperolinon micranthum Herbert L. Mason 1959-5-24 14806 Sierra above Goodyear Bar (w of Downieville); Yuba River 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
  SJSU7866  Hesperolinon micranthum C. L. Kline 1965-6-29 105 Sierra Goodyears Bar on N Yuba R c. 4.2 mi W of Downieville, c. 0.5 mi off State Hwy 49 975 Comment
  RSA0106557  Heterocodon rariflorum Lowell Ahart 2015-5-9 20162 Sierra North side of the Canyon Creek Trail, trail on the north side of the North Fork of the Yuba River, about 300 yards west of Highway 49, about one mile west of Indian Valley. 693 Comment
  CAS-BOT-BC310924  Heterotheca villosa Lowell Ahart 1982-7-28 3702 Sierra About 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  JEPS117920  Heterotheca villosa var. minor L. P. Janeway 2008-9-8 9578 Sierra Plumas National Forest Northen High Sierra Nevada (about half way down the southeast side of Port Wine Ridge to Canyon Creek; 3.1 air km southwest od Table Rock.) 1603 Comment
  CHSC45967  Heuchera micrantha var. erubescens Lowell Ahart 1977-8-2 1526 Sierra Growing on large rocks on an open ridge on the west side of Mount Fillmore, near the summit, about 12 miles north-east of La Porte. 2316 Comment
  SEINET6032009  Heuchera rubescens P. A. Lehenbauer 1937-6-8 75 Sierra 25 mi. W of Reno, NV, on Truckee River at Iceland. 1676 Comment
  CAS-BOT-BC319673  Hieracium albiflorum H. Albert Barker 1926-7-8 76 Sierra Gold Lake Ridge 2042 Comment
  SEINET11259285 Image available Hieracium albiflorum W. Harnach, N. Harnach 1990-8-17 513 Sierra Sierra Valley. Strang Ranch, approx. 1.5 mi S of Sattley (Elvers back-80). 1524 Comment
  JEPS125764  Hieracium greenei William Harnach 2015-7-1 1426 Sierra 3 miles off of Henness Pass Road on FS Road 98. 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
  CHSC42796  Holodiscus microphyllus var. microphyllus L. P. Janeway 1984-8-3 957 Sierra On the Sierra Crest: top of the ridge west of Packer Lake and north of Packer Saddle. On east side of ridge. 2164 Comment
  CAS-BOT-BC388564  Holosteum umbellatum W. Harnach; N. Harnach 1990-6-6 340 Sierra Sierra Valley. Martinetti Ranch 1517 Comment
  CAS-BOT-BC388565  Holosteum umbellatum W. Harnach; N. Harnach 1991-7-4 608 Sierra Sierra Valley. Martinetti Ranch (the fenced bog hole) 1512 Comment
  UCD85481  Hordeum brachyantherum subsp. brachyantherum Elizabeth Wilson 1939-7-12 s.n. Sierra Above Gold Lake. Comment
  CHSC54564  Horkelia fusca subsp. parviflora Lowell Ahart 1991-7-22 6693 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  JEPS102758  Horkelia fusca subsp. parviflora Lowell Ahart 2001-8-10 9100 Sierra About 200 feet SW 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
  CAS-BOT-BC536182  Horkelia fusca var. parviflora James Jokerst 1985-7-22 2524 Sierra Near Carman Creek 901 Comment
  SJSU12245  Horkelia fusca var. parviflora N. A. Hopkins 1982-8-1 1112 Sierra 1 mi S of Calpine 1524 Comment
  SEINET11920499  Horkelia tridentata F. H. Utech 1990-6-5 90 -871 Sierra Tahoe National Forest, Pliocene Ridge, ca 0.5 mi W of Pliocene Station on Ridge Rd 1400 Comment
  UC114315  Horkelia tridentata subsp. flavescens J. G. Lemmon 1875-1 90 Sierra Sierra Co. Comment
Read comments
Jun 12 2012
  CHSC41449  Hosackia incana Lowell Ahart 1986-6-23 5327 Sierra Near the dirt road 1 1/2 miles south-east of the Poverty Hill Mine, about 1 1/2 miles north of Scales, about 5 miles south of La Porte. 1524 Comment
  SJSU11973  Hosackia oblongifolia var. oblongifolia N. A. Hopkins 1973-6-22 558 Sierra c. 0.25 mi SE of Packer L 1895 Comment
  SEINET5500006  Hydrophyllum capitatum var. alpinum W. Harnach, N. Harnach 1989-4-15 026 Sierra Sierra Valley, Sierra-Plumas county line on road A-23 1524 Comment
  SEINET5499970  Hydrophyllum capitatum var. alpinum K. Genz 1979-5-23 9123 Sierra Turning south at forest boundary, Long Valley Road, travel Mitchell Canyon Road for 2.3 miles 1817 Comment
  SEINET5500031  Hydrophyllum capitatum var. alpinum P. B. Kennedy, S. B. Doten 1901-7-12 164 Sierra [Sierra Nevada] Weber Lake Comment
  UC66127  Hydrophyllum occidentale S. B. Doten 1901-7-2 77 Sierra Webber Lake Comment
  CHSC43329  Hypericum anagalloides Lowell Ahart 1977-7-31 1509 Sierra On wet soil in a bog, about 2 miles north of Scales. 1341 Comment
  UCR257653  Hypericum formosum var. scouleri George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19501 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  UCR249165  Hypericum perforatum George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20796 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  JEPS124797 Image available Hypericum perforatum B. Corwin 1964-6-25 82 Sierra At edge of highway 49.3 miles west of Downieville. Grass. Comment
  CAS-BOT-BC401321  Hypericum scouleri W. R. Dudley 1909-8-27 s.n. Sierra Meadow west of Juniper Ridge, Sierra Valley Comment
  SJSU12141  Hypericum scouleri N. A. Hopkins 1982-6-19 1078 Sierra 1.25 mi NW of Sattley 1524 Comment
  JEPS817  Ipomopsis aggregata Alma Wiegart Ames 1913-6-30 32 Sierra near Sierraville (Sierraville Ranger Station) Comment
  SD103812  Ipomopsis aggregata Darley F. Howe 1978-7-10 Sierra Along Highway 89, 10 miles north of Truckee. 1951 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
  JEPS125827  Iris hartwegii subsp. hartwegii William Harnach 2015-5-20 1412 Sierra 1.5 miles South of the intersection of Highway 49 and Mountain House Road, South of Goodyears Bar. Comment
  CAS-BOT-BC88645  Isatis tinctoria T. C. Fuller 1962-6-14 9014 Sierra North side of Highway 49 to Sierraville, 1.8 mile west of Loyalton. Comment
  CHSC63105  Isoetes bolanderi Lowell Ahart 1994-7-1 7426 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) morth-east of Alleghany. 1889 Comment
  CAS-BOT-BC69999  Isoetes bolanderi Barbara Trowbridge 1976-7-28 8051 Sierra On the s.-facing slope of the first ridge n. of White Rock Lake, w. slope of Mt. Lola. 2560 Comment
  CHSC115257  Isoetes nuttallii Lowell Ahart 2015-5-9 20153 Sierra Cliff, on the north side of the Canyon Creek trail, trail on the north side of the North Fork of the Yuba River, about 300 yards west of Highway 49, about one mile west of Indian Valley. 692 Comment
  CHSC69195  Isolepis setacea Vernon Oswald; Lowell Ahart 1997-8-19 8818 Sierra Hwy. 49 ca. 2 mi west of Goodyears Bar, 0.2 mi west of Ramshorn Campground. 792 Comment
  SEINET11259910 Image available Iva axillaris T. L. Breene 1937-7-3 533 Sierra 22 mi. NW of Reno on side road to Ball Canyon. (this is actually in Calif) Comment
  CAS-BOT-BC137410  Ivesia aperta Alice Eastwood 1918-6-29 7869 a Sierra Loyalton Comment
  RSA789653  Ivesia aperta James R. Shevock 1985-7-6 11314 Sierra Sierra Valley. Along California Hwy 49 just south of Rice Hill, 4.3 mi NE of hwy junctions 49 and 89 at Sierraville. 1650 Comment
  CAS-BOT-BC137413  Ivesia aperta W. Harnach; N. Harnach 1989-7-30 235 Sierra Sierra Valley. On south side of Hwy 49, 0.1 miles west of Lombardi point 1490 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
  CHSC67697  Ivesia aperta var. aperta James D. Jokerst 1989-7-14 3138 Sierra Meadow ca. 0.5 mi SW of Balls Ranch. 1920 Comment
  UC1560862  Ivesia aperta var. aperta W. and N. Harnach 1989-7-30 236 Sierra Hwy. 49 intersection with Fillipini Rd. Sierra Valley (on s side of Hwy. 49) 1497 Comment
  UC1560865  Ivesia aperta var. aperta W. and N. Harnach 1989-7-30 238 Sierra w side Hwy. 49; Sierra Valley 1499 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
  SEINET4855363  Ivesia aperta var. canina Unknown 1986-6-1 11532 Sierra Near the USFS Guard Station at Dog Valley, Toiyabe National Forest NW of Verdi. 1700 Comment
  SEINET11911579  Ivesia gordonii J. G. Lemmon 1874-1 s.n. Sierra No locality Comment
  CAS-BOT-BC142352  Ivesia sericoleuca David D. Keck 1944-7-8 5413 Sierra Sierra Valley 1.5 mi. n. of Sattley, on Feather River Road - Sierra Nevada 1524 Comment
  CAS-BOT-BC142355  Ivesia sericoleuca Wayne Dakan; Charlotte Pyle 1977-7-22 s.n. Sierra Northwest of Sierraville - Sierra Nevada Comment
  CAS-BOT-BC142356  Ivesia sericoleuca James R. Shevock 1987-6-27 11801 Sierra Tahoe National Forest along county road S450, southeast side of Kyburz Flats - Western slope of the Northern Sierra Nevada 1828 Comment
  CAS-BOT-BC142396  Ivesia sericoleuca W. Harnach; N. Harnach 1989-6-27 190 Sierra Calpine Ranch (home) - Sierra Valley 1505 Comment
  RSA125692  Ivesia sericoleuca Arthur R. Kruckeberg 1954-8-1 s.n. Sierra 1 mile east of Calpine on road to Beckwourth Comment
  UC1533140  Ivesia sericoleuca G. Schoolcraft 1986-7-2 1647 Sierra about 2 mi n Calpine Airport 1493 Comment
  UC638726  Ivesia sericoleuca Ethel Crum 1937-8-5 1934 Sierra 1 mi ne Sierraville; Sierra Valley Comment
  UCD113632  Ivesia webberi C. Witham 1991-6-12 193 Sierra South end of Upper Long Valley; 0.4 road miles on Road 002 west of the USFS boundary sign; population is 0.25 m N of road. 1722 Comment
  CAS-BOT-BC110010  Juncus Alice Eastwood 1918-6-29 7893 Sierra Loyalton. Comment
  CAS-BOT-BC110013  Juncus W. Harnach; N. Harnach 1990-5-13 315 Sierra Sierra Valley. Martinetti Ranch. 1517 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
  CHSC105543  Juncus chlorocephalus Lowell Ahart 2010-9-15 17190 -A Sierra Along the west sisde of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  UCD108033  Juncus chlorocephalus Tim Kuhn 2006-7-31 73 Sierra Truckee Ranger District. Comment
  HSC100765  Juncus covillei Lowell Ahart 2010-9-15 17181 Sierra Along W side of a poor road, ~15 yd. N of the first pond and ~20 yd. NW of cabin, ~50 yd. SW of middle pond at spring, 2 3/4 (air) mi. N of Yuba Pass on Hwy. 49, 4 (air) mi. E of Haskell Peak. 2135 Comment
  UCR63633  Juncus covillei B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0944 Sierra Sierra Nevada Mtns., Plumas National Forest, Gold Lake, near the boat ramp 1960 Comment
  CHSC49614  Juncus ensifolius Vernon Oswald 1984-6-25 1314 Sierra La Porte-Quincy Rd., about 7 mi n-e of La Porte. On the edge of a meadow. 1737 Comment
  CHSC92040  Juncus ensifolius Lowell Ahart 2005-8-30 12349 Sierra On the south side of Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2064 Comment
  JEPS107843  Juncus ensifolius Lowell Ahart 2005-8-30 12349 Sierra On the south side of Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2064 Comment
  UC1776667  Juncus ensifolius G. Schoolcraft 1996-6-26 2529 Sierra Along Long Valley Creek NE of Bordertown 1524 Comment
  RSA252416  Juncus exiguus Robert F. Thorne, C. W. Tilforth 1969-9-6 39190 Sierra just E. of Hwy. from Snag Lake (SE of Gold Lake) 1951 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
  CHSC41499  Juncus hemiendytus var. abjectus Barbara Ertter; Jeffrey Strachan 1980-6-13 3695 Sierra 0.6 mile north of Dog Valley on road to Dog Valley Campground, Toiyabe National Forest northwest of Verdi, Nevada. 1828 Comment
  SD121500  Juncus hemiendytus var. abjectus Barbara Ertter, Jeffrey Strachan 1980-6-13 3695 Sierra 0.6 mile north of Dog Valley on road to Dog Vally Campground, Toiyabe National Forest northwest of Verdi, Nevada. Shallow swale in opening in Jeffrey Pine forest. 1829 Comment
  UC1495742  Juncus hemiendytus var. abjectus Barbara Ertter and Jeffrey Strachan 1980-6-13 3695 Sierra 0.6 mi n Dog Valley (on road to Dog Valley Campground, nw of Verdi, Nevada); Toiyabe National Forest 1828 Comment
  UCD141543  Juncus hemiendytus var. abjectus Barbara Ertter 1980-6-13 3695 Sierra 0.6 mile north of Dog Valley on road to Dog Valley Campground, Toiyabe National Forest northwest of Verdi, Nevada. 1828 Comment
  LA102597  Juncus hemiendytus var. hemiendytus Barbara Ertter; Jeffrey L. Strachan 1980-6-13 3695 Sierra Toiyabe National Forest, 0.6 mi. N of Dog Valley on road to Dog Valley Campground, NW of Verdi, Nevada 1828 Comment
  UCD141567  Juncus longistylis P. B. Kennedy 1929-7-20 s.n. Sierra Salmon Lakes. Tusk's Meadows. Comment
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Feb 1 2014
  CHSC60562  Juncus mertensianus L. P. Janeway 1984-8-18 1006 Sierra Meadow at second switchback down the road from Packers Saddle toward Packer Lake. 1965 Comment
  CHSC73495  Juncus mertensianus B. Castro; L. Gehrung, H. Durio 1995-9-14 644 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, and surrounded by dry to moist Red fir forest. In westernmost 100-ft diam. meadow, near tiny stream. 2087 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
  JEPS67014  Juncus nevadensis W. L. Jepson 1934-8-2 16813 Sierra 2 mi e Bassett Sta. (Pioneer road sta.); North Fork Yuba River 1706 Comment
  SD147646  Juncus nevadensis Gordon H. True 1971-9-7 7031 Sierra Stringer on slope west of large meadow in Cold Stream Canyon, ca. 3.5 miles south of Perazzo meadows. Common in damp soil. 2377 Comment
  CHSC108471  Juncus nevadensis var. nevadensis Lowell Ahart 2011-9-23 17717 Sierra Along a small wash, on the north side of the dirt road in French Meadow, about 100 yards south of Hennas Pass Road, north part of French Meadow, about 3 miles (air) northwest of Webber Lake. 2040 Comment
  JEPS117672  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) e 2134 Comment
  JEPS117669  Juncus orthophyllus Lowell Ahart 2010-9-15 17181 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) ea 2134 Comment
  UC54237  Juncus orthophyllus H. M. Hall and E. B. Babcock Jul 1903 4489 Sierra Lower Sardine Lake Sierra Nevada Mountains, Sierra Buttes 1828 Comment
  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
  SJSU12226  Juncus orthophyllus N. A. Hopkins 1982-7-19 1067 Sierra 1 mi S of Calpine 1524 Comment
  CHSC74027  Juncus parryi B. Castro; M. A. Griggs 1997-7-10 776 Sierra Bunker Hill Ridge, on highest ridge crest SE of Duck Soup Pond, along Pacific Crest Trail. On mid-slope of northeast face (leeward side). 2133 Comment
  HSC93431  Juncus parryi Vernon H. Oswald, L. Ahart 1996-8-19 8202 Sierra Yuba Pass-Weber Lake Rd., 1.2 mi. S of the rd. to Lincoln Valley 2348 Comment
  UC1600456  Juncus parryi unknown Aug 1874 Sierra Webber Lake Comment
  CAS-BOT-BC494098  Juncus parryi William Harnach 2000-7-4 940 Sierra Sierra Valley. 0.5 mi N of Coburn Lake at the end of the access road 2188 Comment
  SEINET6174520  Juncus tiehmii B. 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. Comment
  CHSC45834  Juniperus occidentalis Lowell Ahart 1961-10-15 5 Sierra About 2 miles north of Milton Dam. 2133 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
  SEINET5334976  Juniperus occidentalis W. D. Billings 1949-8-21 1748 Sierra on hillsides 2 miles northeast of Sierraville Comment
  CAS-BOT-BC81270  Juniperus occidentalis var. australis Javier Penalosa 1962-6-20 2548 Sierra Little Truckee R. at Hwy. 89 1905 Comment
  CAS-BOT-BC237817  Keckiella lemmonii Catherine Best 1982-7-12 736 Sierra Herrington's, Sierra City 1219 Comment
  CHSC107896  Keckiella lemmonii L. P. Janeway 2011-9-15 10728 Sierra Northern High Sierra Nevada. Plumas National Forest; south slope of Mt. Etna; along the road to Johnsville (Road 900; Road 22N12X) 8.9 road km east of Quincy-La Porte road. Steep open south-facing rocky area below large rock outcrops, where the road crosses. 1923 Comment
  UCD40243  Keckiella lemmonii Rodney Gale Myatt 1972-6-1 1584 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  SEINET12616362  Kelloggia galioides P. B. Kennedy 1901-7-10 s.n. Sierra Canyon below Webber Lake. Comment
  CAS-BOT-BC340357  Kyhosia bolanderi John Thomas Howell 1951-8-21 28266 Sierra Yuba Pass 2042 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
  UCD135682  Kyhosia bolanderi Bruce G. Baldwin 1985-8-25 506 Sierra immediately north of Yuba Pass, California State Highway 49. 2057 Comment
  SEINET7949757  Lamium amplexicaule W. Harnach 1990-1-1 252 Sierra Approx 2 miles N of Sierraville on Hwy 49, Warm springs N of Alpers Ranch and at the concrete tank on the point. 1518 Comment
  CDA11843  Lathyrus brownii G. F. Hrusa, E. Sandoval 1993-5-3 11157 Sierra Sierra Valley; E side of Golden Dome E side of Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). Comment
  UC585231  Lathyrus brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1681 Sierra e side Sierra Valley (on road to Loyalton) 1615 Comment
  SEINET7368210  Lathyrus lanszwertii D. Anderson 1962-5-9 s.n. Sierra Dog Valley Comment
  UCR262441  Lathyrus latifolius George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20799 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  SEINET6658648  Lathyrus sulphureus Duane Isely 1965-5-29 9655 a Sierra Adjacent to Yuba river, below state #49, east of Downieville.; 0 Comment
  CAS-BOT-BC321057  Layia glandulosa Alice Eastwood 1918-6-29 7857 Sierra Loyalton Comment
  UC1121005  Ledum glandulosum A. Lewis 1934-10-3 535 Sierra 1 1/2 mi e of Empire Mine (Tahoe National Forest); Tahoe National Forest 2072 Comment
  SEINET3410947 Image available Ledum glandulosum Lewis S. Rose 1934-7-7 s.n. Sierra Edge of small lake SW. Gold Lake, Sierra County, California. 2103 Comment
  UC1101250  Lemna gibba Malcolm A. Nobs, S. Galen Smith 1949-8-20 1496 Sierra about 0.5 mi w of Loyalton (on road to Sierraville, Sierra Valley); Sierra Valley Comment
  UC1101281  Lemna gibba Malcolm A. Nobs, S. Galen Smith 1949-8-20 1494 Sierra about 0.5 mi w of Loyalton (on road to Sierraville, Sierra Valley); Sierra Valley Comment
  CAS-BOT-BC534521  Lemna gibba Malcolm A. Nobs; S. Galen Smith 1949-8-20 1492 Sierra 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley Comment
  POM312459  Lemna gibba Malcolm A. Nobs, S. Galen Smith 1949-8-20 1492 Sierra About 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley Comment
  JEPS125697  Lemna minuta William Harnach 2015-10-6 1454 Sierra 1.8 miles each of Highway 49 on Lemmon Canyon road, east of Sierraville. 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
  SEINET8655826  Lemna minuta W. Harnach 2015-10-13 1461 Sierra 2.4 miles West of Loyalton (intersection of Hill St & Hwy 49) on north side of Hwy 49. 1496 Comment
  JEPS110047  Lepidium campestre Lowell Ahart 2006-6-21 12842 Sierra On the west side of the road, about 3 1/2 miles (by road) northwest of Forest 1421 Comment
  CAS-BOT-BC88855  Lepidium campestre W. Harnach; N. Harnach 1989-5-9 068 Sierra Sierra Valley. Strang Corrals. 1505 Comment
  CAS-BOT-BC88856  Lepidium campestre Alice Eastwood 1918-6-29 7802 Sierra Loyalton. Comment
  CDA9220  Lepidium campestre D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .315 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 Comment
  SJSU14304  Lepidium draba N. A. Hopkins 1989-5-16 1490 Sierra by Sattley-Beckwourth Rd 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
  CHSC50678  Leptosiphon ciliatus Lowell Ahart 1990-6-18 6526 Sierra East of the road, about 1 mile north-east of Scales. 1524 Comment
  SEINET14161868  Leptosiphon ciliatus S. B. Doten 1901-7-2 74 b Sierra NE Webber Lake Comment
  SEINET14162220  Leptosiphon ciliatus P. B. Kennedy 1903-6-27 s. n. Sierra Dog Valley, near Verdi Comment
  SJSU13881  Leptosiphon ciliatus N. A. Hopkins 1986-7-1 1350 Sierra 1 mi S of Calpine 1524 Comment
  SEINET14165450  Leptosiphon harknessii P. B. Kennedy, S. B. Doten 1901-7-8 114 Sierra East of Webber Lake Comment
  JEPS20616  Lessingia nemaclada W. L. Jepson 1934-7-30 16770 Sierra between Weeds Pt. (Nevada Co.) and North Fork Yuba Bridge (Sierra Co.) Comment
  UC13676  Leucocrinum montanum Grace Nichols May 1894 Sierra Comment
  CAS-BOT-BC58254  Leucothoe davisiae John Gill Lemmon s.n. Sierra Near Webber & Gold Lakes. Comment
  CAS-BOT-BC58257  Leucothoe davisiae Catherine Best 1983-8-29 884 Sierra Growing at the edge of the Salmon Lake Road about 1.5 mi. from the lake. Comment
  CAS-BOT-BC59621  Leucothoe davisiae Lowell Ahart 1964-7-24 s.n. Sierra Near Milton Dam. 1676 Comment
  CHSC599  Leucothoe davisiae V. Holt 1942-7-16 Sierra Bear Lake near Gold Lake. 1950 Comment
  RSA125683  Leucothoe davisiae Arthur R. Kruckeberg 1954-8-2 3672 Sierra Along shores of Tamarack Lake 2 mi. e. of Sierra Buttes. Tahoe National Forest. 2287 Comment
  SBBG50851  Leucothoe davisiae J. M. Tucker 1974-9-14 4339 Sierra Rock Crk, 0.75 mi NE of Scales 1371 Comment
  UC334234  Leucothoe davisiae J. G. Lemmon Sierra Downieville Buttes to Lassen's Peak (Webber Lake); Webber Lake Comment
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Sep 4 2010
  UC338705  Leucothoe davisiae unknown Sierra near Webber Lake Comment
  CAS-BOT-BC233818  Lewisia cantelovii Virginia Storz 1961-7-1 s.n. Sierra Highway 49 Bridge over N Fork Yuba River, south side of river, Sierra Nevada Comment
  CAS-BOT-BC123021  Lewisia kelloggii subsp. hutchisonii Paul C. Hutchinson; R. C. Bacigalupi 1982-7-1 8105 Sierra Saddleback mountain; forestry road ca 9 mi N of Downieville, west of summit at junction with a side road to the NW 1828 Comment
  CHSC109550  Lewisia kelloggii subsp. hutchisonii L. P. Janeway; B. Castro 2012-6-16 10873 Sierra Northern High Sierra Nevada. Tip of a short southeastern spur of Gibsonville Ridge, 1.1 km north-northwest of Gibsonville. 1885 Comment
  CHSC63159  Lewisia kelloggii subsp. hutchisonii Lowell Ahart 1994-7-1 7446 Sierra On the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 2011 Comment
  SBBG1934  Lewisia nevadensis H. and M. Dearing 1930-7-4 3819 Sierra Gold Lake Comment
  SJSU14227  Lewisia triphylla N. A. Hopkins 1989-7-15 1564 Sierra below Coburn L, Berry Cr drainage c. 5 mi S of Yuba Pass 2270 Comment
  CAS-BOT-BC272168  Leymus triticoides Alice Eastwood 1918-6-29 7931 Sierra Loyalton Comment
  SEINET10899779  Libocedrus decurrens J. G. Jack 1907-8-7 Jack s.n. Sierra 5800 feet 1765 Comment
  CHSC40975  Ligusticum grayi J. D. Jokerst 1984-7-23 2108 Sierra Several miles east of Sierra City ca 200 feet north of Haypress Creek. 1767 Comment
  CHSC43891  Ligusticum grayi L. P. Janeway 1984-8-25 1072 Sierra Snag Lake. 2026 Comment
  JEPS16563  Ligusticum grayi W. L. Jepson 1934-8-3 16818 Sierra 2 mi. e. Bassett sta. (Pioneer rd. sta., N. Fork Yuba R.); N. Fork Yuba R., Pioneer rd. sta. 1706 Comment
  UC965619  Lilaea scilloides Herbert L. Mason 1952-7-19 14445 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth road); Sierra Valley 1524 Comment
  CAS-BOT-BC130716  Lilium pardalinum Eva Kennedy 1909-1-1 44 Sierra Downieville 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
  JEPS4574  Limosella aquatica Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4285 Sierra along road from Hawley RR station on W. R. main line to Loyalton middle Sierra Valley; middle of Sierra Valley 1481 Comment
  SEINET14341934  Linanthus pungens P. B. Kennedy, S. B. Doten 1901-7-8 104 Sierra [Sierra Nevada] Webber Falls, face of cliff Comment
  SEINET5344351  Linaria dalmatica W. Harnach, N. Harnach 2000-6-14 907 Sierra Approx 1 mile south of intersection of Smithneck Road & Hwy 49 in Loyalton. T21N R16E S18 SE of NW 1/4. 1524 Comment
  JEPS102481  Lindernia dubia var. anagallidea Lowell Ahart 2001-9-28 9300 Sierra Around the drying ponds on the bottom of the Poverty Hill Hydraulic gold mine, north of Poverty Hill (town), about 4 miles (air) south of La Porte. 1524 Comment
  CHSC11387  Linnaea borealis var. longiflora Lowell Ahart 1970-7-5 Sierra At Poverty 1066 Comment
  JEPS127119  Linnaea borealis var. longiflora Lowell Ahart 2016-9-9 21347 Sierra About 50 yards south of where the road crosses Gold Run Creek at the Poverty Hill Mine, about 5 1/2 miles (air) southwest of La Porte. Comment
  CHSC94214  Linum lewisii var. lewisii Lowell Ahart 2006-6-28 12869 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  SEINET12185779  Linum micranthum J. G. Lemmon 1874-1 32 Sierra Comment
  CHSC61897  Listera convallarioides Lowell Ahart 1993-9-10 7199 Sierra On the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  UC1135301  Lithocarpus densiflorus var. echinoides A. Lewis 1934-7-9 506 Sierra 2 mi n Poverty Hill; Plumas National Forest, Downieville Quad. 1371 Comment
  CAS-BOT-BC435560  Lithophragma glabrum Rimo Bacigalupi 1927-7-3 1595 Sierra About 2 miles south of Yuba pass road about 2 miles west of Ito Pass 1950 Comment
  POM308865  Lithophragma glabrum Betty J. Jorgensen 1944-6-22 479 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  SEINET6032176  Lithophragma glabrum F. Martin 1962-5-9 34 Sierra Dog Valley proper Comment
  SEINET6032180  Lithophragma glabrum M. Demorest 1962-5-9 s.n. Sierra Dog Valley, north of dirt road 1829 Comment
  UCR230937  Lithophragma heterophyllum George K. Helmkamp, E. A. Helmkamp 2011-6-9 17552 Sierra Northern Sierra Nevada Mountains Foothills, 7.1 miles north of Camptonville along CA-49, about 2.5 miles north of the Yuba Co. line 808 Comment
  UCD102742  Lithophragma parviflorum R. Randell 1996-5-26 22 Sierra Tahoe National Forest, Wild Plum Loop Road, 0.8 miles from Wild Plum Road, 1.25 miles from highway 49. 1500 Comment
  SEINET12219461  Lithophragma tenellum J. G. Lemmon 1874-1 77 Sierra Sierra Co., &c Comment
  SJSU11955  Lithophragma tenellum N. A. Hopkins 1979-5-11 930 Sierra c. 2 mi N of Sattley, Sierra Valley 1493 Comment
  UC1088540  Lomatium macrocarpum Ornduff 1958-6-29 4996 A Sierra 2 mi. n.w. Downieville (junction of Saddleback mt. rd. with Oak Ranch rd.) 1219 Comment
  SEINET7880162 Image available Lomatium macrocarpum E. Sawyer 1935-1 255 Sierra 1 1/2 miles SSE of Sattley Sec. 15 T. 21N. R. 14E 1494 Comment
  CAS-BOT-BC205794  Lomatium nevadense James R. Shevock 1985-5-19 11145 Sierra Northern Sierra Nevada. Sierra Valley. Along California highway 49 just south of Rice Hill, 4.3 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  RSA790206  Lomatium nevadense J. R. Shevock, Barbara Ertter 1988-5-16 11817 Sierra Toiyabe National Forest. West side of Dog Valley, about 5 miles NW of Verdi off of Interstate 80. 1829 Comment
  SJSU12103  Lomatium nevadense N. A. Hopkins 1983-5-23 1127 Sierra 1 mi S of Calpine 1524 Comment
  JEPS111221  Lomatium nudicaule Steve Matson 2005-6-18 1287 Sierra Dog Valley, Toiyabe NF, ca 4 miles northwest of Verdi, NV; just east of old Dog Valley Ranger Station. 39.5619 N, 120.0453 W; Elevation 5800 ft. 1767 Comment
  SEINET8584727  Lomatium triternatum var. triternatum W. Harnach 2013-6-8 1366 Sierra Approximately 0.25 miles south of power substation on old Long Valley Road, west of Hwy 395, near Bordertown, NV. 1583 Comment
  HSC65742  Lonicera conjugialis R. F. Thorne 1974-7-30 45034 Sierra Tahoe National Forest, Goose Haven and Snag Lakes areas. 2058 Comment
  CDA27195  Lotus crassifolius D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .316 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 Comment
  SEINET10451994  Lotus nevadensis Lowell Ahart, Peter Ahart 1983-10-11 Ahart 4466 Sierra Along edge of dirt road to Ahart Sheep Camp, ca. 1 mi n of Milton Reservoir, 3 mi nw of Jackson Meadow Reservoir. Yellow Pine Forest; 1800 m. 1800 Comment
  UC80947  Lotus nevadensis var. nevadensis J. G. Lemmon 1875-1 59 Sierra Sierra Valley Comment
  CAS-BOT-BC329260  Lupinus M. Lavin; F. Smith 1980-7-29 SW 99 Sierra 1 mi S of Sonora Pass, Sierra Nevada Comment
  SBBG120354  Lupinus albicaulis D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16751 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 Comment
  JEPS87601  Lupinus apertus Lowell Ahart 1994-7-7 7448 Sierra about 1 1/2 mi (air) s Pilot Peak (on the se side of the dirt rd from Gibsonville to Sloat); Pacific Crest Trail, Bunker Hill Ridge 1981 Comment
  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
  CAS-BOT-BC196349  Lupinus argenteus var. argenteus L. P. Janeway; Garrett Gibson 1991-7-22 4085 Sierra 1/2 mi due west of Mohawk Gap (along road 21N31B) 2225 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
  JEPS29731  Lupinus argenteus var. heteranthus Rimo Bacigalupi and L. R. Heckard 1962-5-27 8486 Sierra 4.7 mi ne Sierraville; eastern edge of southern arm of Sierra Valley 1524 Comment
  SJSU12237  Lupinus argenteus var. heteranthus N. A. Hopkins 1982-7-27 1096 Sierra c. 0.5 mi S of fire lookout station on top of Babbitt Peak, Bald Mt Range 2621 Comment
  SEINET5327929  Lupinus argenteus var. heteranthus P. A. Lehenbauer 1937-6-8 106 Sierra [Sierra Nevada] 25 mi W of Reno, NV on Truckee River, at Iceland, S side of river by falls 1676 Comment
  CAS-BOT-BC196688  Lupinus breweri var. breweri James L. Reveal 1971-6-23 2474 Sierra Along California Highway 49, 4.7 miles east of Yuba Pass Summit, about 1 mile west of Sattley Comment
  CAS-BOT-BC196689  Lupinus breweri var. breweri Charles Piper Smith 1947-5-22 47327 Sierra Yuba Pass, 4.7 miles east, Highway 49 Comment
  RSA109814  Lupinus breweri var. breweri E. K. Balls, Lee W. Lenz, B. K. Balls 1956-6-20 21846 Sierra 5.7 mi. w. along State Hwy. 49 from j ct. with state Hwy. 89. 2012 Comment
  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
  SEINET530756  Lupinus caudatus subsp. caudatus Paul Opler 2003-6-29 Sierra 1 mi E of Calpine 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
  HSC14913  Lupinus grayi R. Spellenberg 1964-6-14 385 Sierra Ca. 4 mi. W of Sierraville Comment
  SEINET8051625  Lupinus lepidus var. confertus W. Harnach, N. Harnach 1991-7-24 658 Sierra Sierra Valley, Sierraville, Lemmon Canyon road, approx. 1.5 miles east of Hwy 49 1524 Comment
  JEPS122450  Lupinus lepidus var. sellulus L. P. Janeway 2014-6-17 11387 Sierra Northern High Sierra Nevada. Plumas National Forest; on the old mining tailings of Poverty Hill, between Gold Run Creek and Slate Creek. Quad: American House 7.5'. Comment
  SEINET8584760  Lupinus lepidus var. sellulus W. Harnach 2012-7-31 1282 Sierra Approx 5 air miles SE of Yuba Pass on Hwy 49 on Road 1228 Comment
  CHSC115253  Lupinus nanus var. vallicola Lowell Ahart 2015-5-9 20182 Sierra On the south side of the Canyon Creek Trail, trail on the north side of the North Fork of the Yuba River, about 300 yards west of Highway 49, about one mile west Indian Valley. 692 Comment
  SEINET10737834  Lupinus polyphyllus var. burkei Andrew Townesmith, Karen M. Meyer 2007-7-16 Townesmith 813 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 1.1 miles west of junction with county road 860. T19N R16E S11 E 1/2. 1916 Comment
  UCR257832  Lupinus polyphyllus var. burkei George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19511 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  UCR249647  Luzula comosa George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20773 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  SD123466  Luzula comosa var. comosa Robert F. Thorne 1974-7-30 45043 Sierra Tahoe National Forest, Goose, Haven and Snag Lake areas. 2057 Comment
  CHSC110237  Luzula comosa var. laxa L. P. Janeway 2012-6-24 10909 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
  CHSC72470  Luzula comosa var. laxa L. P. Janeway 1998-7-24 5830 Sierra West end of Church Meadows; west side of Road 721 0.3 mi northeast of Gold Lake Hwy (Road 620). Narrow low ridge between two meadows. 2033 Comment
  CHSC40669  Luzula divaricata J. D. Jokerst 1982-9-10 1671 Sierra On the trail to the summit of Sierra Buttes from Packer Lake. 2316 Comment
  CHSC66830  Luzula subcongesta Vernon H. Oswald; Lowell Ahart 1996-8-19 8196 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just S of the road to Lincoln Valley. Along the edge of a drainage. 2255 Comment
  JEPS125751  Luzula subcongesta William Harnach 2013-6-15 1371 Sierra Approximately 250 yards North of Highway 49 at Yuba Pass, east of dirt road. Comment
  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
  UCD40308  Luzula subsessilis Rodney Gale Myatt 1971-7-3 820 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  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
  JEPS108727  Madia exigua Lowell Ahart 2006-6-21 12803 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  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
  RSA796049  Madia glomerata L. Ahart 2011-9-23 17711 Sierra 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 air miles northwest of Webber Lake. 2016 Comment
  UCR257849  Madia glomerata George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19438 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
  SEINET11806674  Madia glomerata L. Ahart, Ahart, P. 1983-1 4476 Sierra ca 2 mi SE of Jackson Meadow Reservoir, ca 1 mi S of Pass Creek, near Jackson Meadow Reservoir 2200 Comment
  CAS-BOT-BC343418  Madia gracilis John Thomas Howell 1951-8-21 28278 Sierra Yuba Pass 2042 Comment
  CAS-BOT-BC343419  Madia gracilis John Thomas Howell 1951-8-21 28247 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  CHSC37206  Madia gracilis L. Ahart 1982-7-28 3683 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 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
  SEINET11810614  Madia sativa subsp. dissitiflora J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  SEINET8491472  Maianthemum racemosum W. Harnach, N. Harnach 1990-6-30 439 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  UCD136582  Marsilea vestita subsp. vestita P. B. Schultz 1967-7-8 54 Sierra 0.3 miles west of Sattley-Beckwourth Road on road to Calpine. 1493 Comment
  CHSC67142  Melica bulbosa James D. Jokerst 1990-7-27 3164 A Sierra Burma Summit, 6 mi SE of Loyalton. 2468 Comment
  POM181584  Melica bulbosa J. G. Lemmon 1889-05 s.n. Sierra Sierra Valley. Comment
  CAS-BOT-BC282069  Melica fugax S. B. Doten 1901-7-2 83 Sierra Webber Lake Comment
  JEPS110255  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
  CHSC94197  Melica geyeri Lowell Ahart 2006-6-21 12814 Sierra On the south side of the Foote Road, about 2.7 miles (by road) southwest of Alleghany. 1103 Comment
  UCD87323  Melica geyeri Beecher Crampton 1954-5-10 1851 Sierra Sierra County, 7 miles northeast of Camptonville, along highway 49, southern canyon slope of the north Yuba River. Comment
  CAS-BOT-BC281376  Melica harfordii Catherine Best 1979-6-15 s.n. Sierra Herringtons, Sierra City Comment
  CAS-BOT-BC281381  Melica harfordii David D. Keck 1944-7-8 5397 Sierra N Fork of Yuba River, 6 miles below Downieville 762 Comment
  UC717987  Melica harfordii David D. Keck 1944-7-8 5397 Sierra 6 mi below Downieville (North Fork of Yuba River); North Fork of Yuba River 762 Comment
  UCD87514  Melica harfordii John Thomas Howell; Gordon H. True 1969-6-25 45863 Sierra 5 miles east of Indian Valley, North Fork of Yuba River. 762 Comment
  UCD87532  Melica harfordii P. B. Kennedy 1927-5-29 s.n. Sierra Sierra County. Comment
  CAS-BOT-BC281033  Melica stricta G. T. Nordstrom 1936-7-8 904 Sierra 2.25 miles NNW of Dog Valley, SE of Loyalton 2133 Comment
  CHSC51040  Melica stricta Lowell Ahart 1990-7-8 6551 Sierra Near Bunker Hill Ridge, on the west side of Mount Etna, about 12 miles north-east of La Porte. 2072 Comment
  UC1562300  Melica stricta Lowell Ahart 1990-7-8 6551 Sierra 12 mi ne La Porte (near Bunker Hill Ridge, on the w side of Mount Edna); Mount Edna 2072 Comment
  SEINET11678891  Melica stricta J. G. Lemmon 1874-1 223 Sierra Sierra Co. &c. Comment
  CHSC34825  Melilotus officinalis M. S. Taylor 1981-7-17 4051 Sierra On n side of Hwy 49, ca. 2 mi w of its jct with Hwy 89, ca. 2 mi sw of Calpine. 2011 Comment
  CHSC47436  Mentzelia dispersa Lowell Ahart 1977-8-2 1528 Sierra On an open ridge on the west side of Mount Fillmore, about 12 miles north-east of La Porte. 2194 Comment
  SFV18642  Menyanthes trifoliata J. D. Dilley 2000-9-16 399 Sierra Sierra Nevada Coburn Lake. 7 miles south of Yuba Pass on USFS Route 12. Comment
  SEINET11303059  Mertensia P. Lehenbauer, R. E. Lehenbauer 1925-6-13 1165 Sierra Little Truckee Comment
  SJSU14009  Mertensia ciliata var. stomatechoides N. A. Hopkins 1988-6-3 1421 Sierra near Davies Cr on S side Henness Pass between Kyburz Flat & Sardine Valley 1920 Comment
  SEINET8665867  Mertensia oblongifolia var. nevadensis W. Harnach 2013-5-5 1344 Sierra Sierraville. 4.8 miles east of Hwy 49 on Lemmon Canyon Road 1814 Comment
  CHSC73442  Micranthes bryophora B. Castro; L. Gehrung, H. Durio 1995-9-14 637 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
  CAS-BOT-BC428728  Micranthes californica Barbara Keller 1974-5-11 1391 Sierra Highway 49 about 3 mi. North of Indian Valley Campground 792 Comment
  CHSC32069  Micranthes odontoloma L. Ahart 1975-8-17 946 Sierra Along a small stream above Jones Valley, 3 mi w and 2 mi s of Webber Lake. 2286 Comment
  CHSC53172  Micranthes odontoloma L. P. Janeway 1989-8-18 3603 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. Creekside stringer. 2072 Comment
  HSC6026  Microseris nutans R. Spellenberg 1964-6-14 383 Sierra Ca. 4 mi. W of Sierraville Comment
  RSA286287  Microseris nutans R. F. Thorne 1974-7-30 45046 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes area. 2058 Comment
  CAS-BOT-BC349260  Microseris nutans D. E. Breedlove 1962-6-13 3491 Sierra Along State Hwy. 89, 9.3 miles north of Sierraville 1524 Comment
  UC131410  Microseris nutans J. G. Lemmon 1870-1 Sierra Comment
  UC829404  Microseris nutans Anna Head 1921-7-20 Sierra trail to Gold Lake Feather River Region Comment
  UCD84088  Microsteris gracilis Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra County. Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  UCD84140  Microsteris gracilis Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  SJSU14007  Microsteris gracilis N. A. Hopkins 1988-6-3 1419 Sierra by rd from Beckwourth to Sattley, Sierra Valley 1493 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
  UCR54439  Mimulus B. G. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 869 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
  SCFS453  Mimulus aurantiacus S. Hardinghaus 1967-6-30 16765 Sierra Cliff-side road cut, N side Hwy 49, 3.5 mi W of Downieville 838 Comment
  UC1577080  Mimulus aurantiacus var. grandiflorus A. Lewis 1934-8-5 525 Sierra 4 1/2 mi w Sierra City; Tahoe National Forest, Downieville Quadrangle Comment
  HSC20802  Mimulus aurantiacus var. grandiflorus R. Spellenberg 1964-6-14 391 Sierra 3 mi. W of Sierra City Comment
  RSA14132  Mimulus aurantiacus var. grandiflorus Elmer I. Applegate 1934-5-2 8897 Sierra Sierra city, dry hillside along highway Comment
  UC1561995  Mimulus breweri Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7222 Sierra ca. 12 air mi n Truckee (upper end of flat n of road, head of river, ca. 1.5 mi e of Hwy 89 on Tahoe National Forest Rd. S450); Kyburz Flat, Little Truckee River 1920 Comment
  UC1063129  Mimulus guttatus G. T. Nordstrom 1936-7-23 955 Sierra 2 1/2 mi s Purdy; Sierraville Quadrangle 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
  JEPS123992  Mimulus kelloggii Lowell Ahart 2015-5-9 20164 Sierra About 100 yards west of Highway 49, about one mile west of Indian Valley. Comment
  RSA501118  Mimulus kelloggii B. Pitzer, S. Morgan, H. M. Soldan 1988-5-28 894 Sierra Convict Flat Picnic Area, 12 mi. NE of Camptonville, on Hwy 49. On the North Yuba River. Comment
  UCSB27412  Mimulus kelloggii Kunze, G. 1971-6-6 Sierra California 49; 3 miles north of North San Juan 1371 Comment
  RSA0114284  Mimulus lewisii L. Ahart 2005-8-30 12346 Sierra On the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2033 Comment
  JEPS110138  Mimulus mephiticus Lowell Ahart 2006-7-21 12849 Sierra On the S side of the Foote Road, about 2.7 miles (by road) SW of Alleghany. 1103 Comment
  JEPS110135  Mimulus microphyllus Lowell Ahart 2006-6-21 12799 Sierra On the west side of the Foote Road, near Blue Ravine, about 3 miles (by road) southwest of Alleghany 1053 Comment
  UCD122827  Mimulus moschatus N. Hopkins 1983-7-9 1154 Sierra ca. 1 mile SW of Calpine. 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
  UC335557  Mimulus pilosus unknown Sierra Webber Lake Sierra Valley Comment
  SEINET12269822  Mimulus torreyi J. G. Lemmon 1874-1 156 Sierra Sierra Co. &c Comment
  JEPS95547  Mitella breweri Lowell Ahart 1994-7-1 7431 Sierra 11 air miles NE of Alleghany (S of the larger pond, N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, 1 1/2 mi NE of Middlewaters) 1889 Comment
  UC1127237  Mitella breweri H. S. Yates 1935-6-29 5277 Sierra 1 mi n Gold Lake; Plumas National Forest, Downieville Quadrangle 1981 Comment
  UC1609477  Mitella breweri Lowell Ahart 1993-9-10 7192 Sierra about 1 mi sw dirt road from Gibsonville to Johnsonville (at end of a poor dirt rd where there is a camp and water ditch, n side of mt.); Mount Fillmore 2133 Comment
  UC54292  Mitella pentandra H. M. Hall and E. B. Babcock July, 1903 4482 Sierra Yuba Pass Sierra Nevada Mountains 1981 Comment
  CAS-BOT-BC221805  Monardella odoratissima Gordon H. True 1971-9-7 7058 Sierra Mt. Lola Trail in Cold Stream Canyon 2286 Comment
  CAS-BOT-BC221806  Monardella odoratissima Margaret Williams 1972-8-27 s.n. Sierra Merrill Valley just north of Stampede Dam 2011 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
  SD123506  Monardella odoratissima subsp. glauca Robert F. Thorne 1974-7-30 45041 Sierra Tahoe National Forest: Goose, Haven, and Snag Lake areas. 2057 Comment
  SEINET5333333  Monardella odoratissima subsp. glauca W. Harnach, N. Harnach 1993-6-26 729 Sierra Sierra Valley. Doe Canyon ~ 3 miles SE of Loyalton in Sierra Brooks 1622 Comment
  SD149150  Monardella odoratissima subsp. glauca Gordon H. True 1967-7-31 3664 Sierra Verdi Peak Lookout. 2591 Comment
  JEPS117456  Monardella odoratissima subsp. pallida Lowell Ahart 2010-9-15 17188 Sierra Along the poor road, 5 yards north of the first pond, 8 yards northwest of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  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
  UC66112  Monardella odoratissima subsp. pallida S. B. Doten 1901-7-12 165 Sierra Webber Lake 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
  JEPS124561 Image available Monardella villosa subsp. sheltonii M. Wheelis 1964-6-25 85 Sierra 4 mi W. of Downieville, Highway 49. Comment
  JEPS96050  Monolepis nuttalliana Lowell Ahart 1996-7-25 7703 Sierra ca. 2 mi. w. Webber Lake (in the corral in French Meadow, s. of the old Henness Pass Rd.); French Meadow 1950 Comment
  SEINET10733139  Monolepis spathulata John G. Lemmon 1874-1 Lemmon s.n. Sierra Sierra Co., etc. Comment
  CHSC1373  Montia chamissoi V. Holt 1942-7-20 Sierra Gold Lake. 1950 Comment
  SEINET5336595  Montia chamissoi C. G. Gulling 1905-1 1206 Sierra Sierra Valley Comment
  SCFS1140  Montia linearis F. Felix 2015-1 Sierra Railroad trestle above Stampede Reservoir, near Sagehen Creek 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
  CAS-BOT-BC445059  Montia linearis W. Harnach; N. Harnach 1990-6-6 346 Sierra Sierra Valley. Martinetti Ranch 1517 Comment
  SJSU12155  Montia linearis N. A. Hopkins 1983-5-23 Sierra 1.5 mi S of Calpine, Sierra Valley 1524 Comment
  SJSU9822  Montia linearis C. W. Sharsmith 1982-5-30 8676 Sierra near Sierraville, Sierra Valley 1524 Comment
  RSA0035520  Montia parvifolia George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-5 20759 Sierra Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  RSA237292  Montia parvifolia Frederick W. Oettinger 1967-6-28 141 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
  RSA601901  Montia parvifolia L. C. Wheeler 1935-6-13 357 Sierra Shackleford Creed, Marble Mts. 976 Comment
  CAS-BOT-BC262612  Muhlenbergia andina John Thomas Howell 1951-8-21 28265 Sierra Yuba Pass 2042 Comment
  HSC47835  Muhlenbergia andina Michael A. Watkins 1978-9-20 131 Sierra Foothills of the Sierra Nevada Mtns., 10 mi. NW of Johnsville on property of the Cowell Mine Comment
  UC584349  Muilla transmontana G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2131 Sierra se-facing hillside about 3 1/2 mi e Loyalton 1600 Comment
  CAS-BOT-BC392273  Myosurus apetalus R. K. Gierisch; D. H. Esplin 1969-6-27 3501 Sierra Tahoe National Forest Comment
  UCD84183  Myosurus apetalus Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  CAS-BOT-BC83241  Myosurus minimus R. K. Gierisch; D. H. Esplin 1969-6-27 3501 Sierra Tahoe Forest. 2133 Comment
  CHSC50834  Myriophyllum sibiricum Vernon Oswald; Lowell Ahart 1990-7-25 4390 Sierra Ca. 0.25 mi south of Staverville Rd, ca. 1 mi west of Balls Ranch. Abundant submersed aquatic in a small reservoir. 1935 Comment
  RSA421163  Nama lobbii Robert Gustafson 1985-6-14 3170 Sierra Highway 49, ca. 3 miles east of Yuba Pass summit. 1921 Comment
  CAS-BOT-BC60325  Nasturtium officinale W. Harnach; N. Harnach 1989-5-13 082 Sierra Sierra Valley. Martinette Ranch (Elvers). 1517 Comment
  SJSU14010  Nasturtium officinale N. A. Hopkins 1988-6-3 1423 Sierra brook leading to Davies Cr, Henness Pass Rd between Kyburz Flat & Sardine Valley Comment
  CDA11832  Navarretia breweri G. F. Hrusa, E. Sandoval 1993-5-3 11145 Sierra Sierra Valley; E side Antelope Valley, 3 miles S of Loyalton Rd. (Hwy 49). Comment
  UC172862  Navarretia breweri A. A. Heller 1913-6-30 10899 Sierra near Verdi, Nevada; Dog Valley 1676 Comment
  CHSC105786  Navarretia capillaris Lowell Ahart 2010-9-15 17164 Sierra Open areas, around trees, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  UC1586481  Navarretia capillaris Lowell Ahart 1991-7-22 6676 Sierra about 1/4 mi s Henness Pass Road (along a small stream in French Meadow, about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  CHSC115173  Navarretia divaricata subsp. divaricata Lowell Ahart 2015-6-7 20217 A Sierra Along the dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. 1411 Comment
  CHSC50838  Navarretia intertexta subsp. propinqua Vernon Oswald; Lowell Ahart 1990-7-25 4389 Sierra Ca. 0.25 mi south of Staverville Rd, ca. 1 mi west of Balls Ranch. 1935 Comment
  JEPS4099  Navarretia intertexta subsp. propinqua Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4288 Sierra along road from Hawley railroad station on Western Pacific main line to Loyalton; Sierra Valley 1481 Comment
  RSA642566  Navarretia intertexta subsp. propinqua Stan C. Spencer 1994-7-14 4714 -41 Sierra From Calpine E ca. 1 mi. (0.1 mi. W of junction of Calpine and Beckwourth roads Comment
  SEINET14057832  Navarretia intertexta subsp. propinqua W. Harnach, N. Harnach 2000-6-17 916 Sierra Sierra Valley, 1/2 mile west of the intersection of Mtn. Quail Road with Hwy 89, about 2 miles south of Calpine 1524 Comment
  CHSC44004  Navarretia leptalea subsp. bicolor L. P. Janeway 1984-8-12 1000 Sierra At second switchback (to the SE) down from Packers Saddle. Meadow. 1965 Comment
  UC66428  Navarretia leptalea subsp. leptalea P. B. Kennedy and S. B. Doten 1901-7-5 89 Sierra Webber Lake Comment
  SD129709  Navarretia leptalea subsp. leptalea Barbara Ertter, Tahoe Chapter CNPS 1987-6-27 7215 Sierra Kyburz Flat ca 12 airmiles N of Truckee, head of Little Truckee River; ca 1.5 mi E of Hwy 89 on Tahoe Nat'l For. Rd S450, upper end of flat N of road edge of meadow 1920 Comment
  UCD84139  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
  SEINET8075303  Navarretia leucocephala subsp. minima Lewis S. Rose 1968-6-9 68082 Sierra Sattley.; 0 1524 Comment
  SEINET8729372 Image available Navarretia propinqua Herbert L. Mason 1952-1 14443 Sierra 1.5 miles east of Calpine at junction of Calpine with Sierraville-Beckwourth road. Sierra Valley 1524 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
  UC605026  Nemophila maculata Hartweg 1868-1 358 Sierra Sacramento Mountains northern Sierra Nevada foothills, Sacramento Mountains (probably on the South Fork Yuba River, Northern Sierra Nevada foothills, along rivulets) Comment
  JEPS125673  Nemophila pedunculata William Harnach 2013-5-17 1361 Sierra 4.8 miles from Highway 49 on the Antelope Valley Road Comment
  SD241049  Nemophila pedunculata George K. Helmkamp, E. A. Helmkamp 2011-6-9 17551 Sierra Northern Sierra Nevada Mountains Foothills: 7.1 miles orth of Camptonville along CA-49, about 2.5 miles north of Yuba Co. line (Strawberry Valley 7.5'Q) 808 Comment
  UC606980  Nemophila pedunculata L. Constance 1938-6-9 2303 Sierra 2.4 mi nw Sattley (e side of Yuba Pass); e side Yuba Pass 1524 Comment
  CAS-BOT-BC349913  Nothocalais alpestris L. P. Janeway; Garrett Gibson 1991-7-22 4089 Sierra Plumas National Forest, Beckwourth Ranger District. Steep north-facing slope 1/2 mi due east of Mohawk Gap (along road 21N31B) 2225 Comment
  SBBG50703  Notholithocarpus densiflorus var. densiflorus J. M. Tucker 1974-9-14 4336 Sierra across rd from and near main entrance to Rose Ranch, ca. 8 mi (by rd) NE of Strawberry Valley on Sierra-Yuba county line 1371 Comment
  CAS-BOT-BC349946  Onopordum acanthium T. C. Fuller 1964-12-2 12918 Sierra At the top of the n. bank of Sunrise Creek, ca. 1 mi. n.w. of Verdi, Nevada, 100 yds s. of Dog Valley Rd. & 100 yds. w. of the Stateline in Sierra Co. Comment
  SEINET8353455  Oreostemma alpigenum John B. Leiberg 1900-8-2 5240 Sierra Lake Webber. 2073 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
  CAS-BOT-BC355585  Oreostemma alpigenum var. andersonii George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC355586  Oreostemma alpigenum var. andersonii George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  JEPS118127  Oreostemma alpigenum var. andersonii Dean W. Taylor 2009-8-4 20731 Sierra Yuba Pass, about 80 m N of the junction of Hwy 49 and the snow park parking lot entrance road 2042 Comment
  JEPS125645  Oreostemma alpigenum var. andersonii Shuxiao Zhang 2015-7-8 006 Sierra On property south of Packer Lake and west of Tamarack Lakes, in Tahoe National Forest area. Comment
  JEPS31966  Oreostemma alpigenum var. andersonii W. L. Jepson 1934-8-2 16810 Sierra 2 mi e Bassett Sta. (Pioneer Road Sta.); North Fork Yuba River 1706 Comment
  JEPS88369  Oreostemma alpigenum var. andersonii Vernon H. Oswald and Lowell Ahart 1996-8-19 8216 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.5 mi s road to Haypress Valley (marshy meadow below road); northern High Sierra Nevada 2194 Comment
  RSA88401  Oreostemma alpigenum var. andersonii J. T. Howell 1951-8-21 28268 Sierra Yuba Pass. 2043 Comment
  CHSC43372  Orobanche fasciculata Lowell Ahart 1978-6-4 1754 Sierra West of the Foote Road, about 1 mile south of Alleghany. 1280 Comment
  SEINET6031215  Orobanche fasciculata W. Harnach, N. Harnach 1989-6-21 161 Sierra Sierra Valley, 0.25 miles E of Calpine, old box mill site to west of home, 1509 Comment
  UCD160581  Orobanche fasciculata G. Ledyard Stebbins 1978-7-18 s.n. Sierra Tahoe National Forest. Northeast of the Bald Mountain Range, below Peavine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC500184  Orobanche fasciculata Lowell Ahart 1977-8-2 683 Sierra Sierra Nevada: near summit of Mt. Fillmore; on ridge on W side of the mountain; Mt. Fillmore is ca. 12 mi NE of La Porte 2400 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
  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
  CAS-BOT-BC238405  Orthocarpus W. Harnach; N. Harnach 1989-5-21 108 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  RSA151642  Orthocarpus campestris R. C. Bacigalupi, H. L. Mason, J. R. Sweeney 1953-7-8 4292 Sierra Middle of Sierra Valley, along road southward from Hawley RR Station on the WP RR (main line) to Loyalton. 1482 Comment
  SEINET9369157  Osmorhiza berteroi Unknown 2009-5-28 14863 Sierra Sierra Nevada Mountains Foothills: above the Yuba River along CA-49, 2.3 miles N of the Yuba Co. line (Strawberry Valley 7.5' Q). Coniferous forest on a steep slope. Common; on an open roadside flat. Comment
  RSA459017  Osmorhiza berteroi J. G. Lemmon 1883-1 s.n. Sierra [Unspecified] Comment
  SEINET12121791  Osmorhiza chilensis F. H. Utech 1986-1 86 -088 Sierra Tahoe Natioanal Forest, ca 1 mi N of junction North Yuba River & CA 49 bridge 950 Comment
  SEINET11141867  Osmorhiza occidentalis S. B. Doten 1901-7-1 s.n. Sierra Webber Lake. Comment
  CHSC81342  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
  UC53868  Packera streptanthifolia H. M. Hall and E. B. Babcock July 1903 4473 Sierra Sierraville Sierra Nevada Mountains, Sierraville 1524 Comment
  SEINET11744998 Image available Packera streptanthifolia W. Harnach, N. Harnach 1989-5-13 087 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1518 Comment
  CAS-BOT-BC317126  Packera streptanthifolia var. streptanthifolia L. S. Smith 1928-7-22 2497 Sierra Webber Lake along stream 2042 Comment
  POM270837  Paeonia brownii J. W. Morrison s.n. Sierra Loyalton, Sierra Nevada mountain range, Sierra Valley drainage 1524 Comment
  SEINET5845271  Paeonia brownii P. B. Kennedy, S. B. Doten 1901-7-8 133 Sierra [Sierra Nevada] Webber Lake Comment
  UCD88190  Panicum acuminatum var. fasciculatum A. A. Beetle 1944-8-17 3056 Sierra North fork of Yuba River, 8 miles below Downieville. Comment
  UCD88556  Panicum acuminatum var. fasciculatum Freed W. Hoffman 1946-6-11 1840 Sierra Yuba River near San Juan (Cartrights). Comment
  CAS-BOT-BC175503  Parnassia fimbriata Gordon H. True 1975-10-1 7964 Sierra On Meadow Lake-Webber Lake road just north of Nevada County Line 2118 Comment
  CHSC59566  Parnassia palustris Lowell Ahart 1992-8-6 6917 Sierra Growing in a bog, north of Black Jack Ravine, about 1 mile south of Granite Mountain, about 1/2 mile west of Harris Meadow. 1676 Comment
  CHSC63172  Pectiantia breweri Lowell Ahart 1994-7-1 7431 Sierra South of the larger pond, steep rocky slope on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles northeast of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  CHSC66600  Pectiantia breweri Lowell Ahart 1996-7-25 7701 Sierra South of the Old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  SJSU11958  Pectiantia breweri N. A. Hopkins 1973-6-13 535 Sierra by stream draining Packer L 1859 Comment
  CHSC52958  Pedicularis attollens L. P. Janeway 1989-8-10 3571 Sierra Plumas National Forest. NE'ern slopes between Haskell Pk and Hwy 89/Sulphur Cr. 2194 Comment
  RSA286292  Pedicularis attollens Robert F. Thorne 1974-7-30 45048 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  UC1478543  Pedicularis attollens Robert F. Thorne 1974-7-30 45048 Sierra Goose, Haven and Snag Lake areas, e of highway Tahoe National Forest 2057 Comment
  JEPS10365  Pedicularis densiflora L. S. Smith 1926-4-12 1759 Sierra Rebel Ridge Range; Tahoe Forest 701 Comment
  RSA425335  Pedicularis groenlandica Robert Gustafson 1985-6-10 3143 Sierra At the jct of Hwy 49 and Forest Service Road 12, Yuba Pass summit. 2043 Comment
  SEINET13752100  Pedicularis groenlandica P. B. Kennedy, S. B. Doten 1901-7-5 95 Sierra Webber Lake Comment
  RSA686805  Pellaea brachyptera T. R. Pray 1957-7-12 1072 Sierra East of Sierra City Comment
  UC1936243  Pellaea brachyptera Alan R. Smith with Christopher Richard, and C. Don MacNeill 1980-8-20 751 Sierra N side of Haypress Creek, ca. 05 [sic] mi. up from Wild Plum Campground, where bridge crosses river Comment
  CHSC10627  Pellaea bridgesii Lowell Ahart 1967-9-29 Sierra Near Webber Lake. 2438 Comment
  UC1609403  Pellaea bridgesii Lowell Ahart 1993-9-24 7255 Sierra e of stream on n side of Mt Fillmore (w of the poor dirt rd that ends at a stream, about 3/4 mi s of dirt rd from Gibsonville to Johnsville) 2133 Comment
  SEINET10529798  Pellaea bridgesii Mary Susan Taylor 1981-7-17 Taylor 4050 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
  SEINET10568063  Pellaea bridgesii Francis P. Daniels 1874-1 Daniels UMO 31181 Sierra Webber Lake, CA. Comment
  SEINET11718067  Pellaea bridgesii L. Ahart, Ahart, P. 1983-1 4469 Sierra N side of Milton Reservoir, near Jackson Meadow Reservoir, both sides of road 1800 Comment
  UC338824  Pellaea bridgesii J. G. Lemmon 690 Sierra Mts of Webber Lake Webber Lake Comment
  UC335731  Penstemon azureus var. azureus J. G. Lemmon Sierra Webber Lake Comment
  NY590175  Penstemon davidsonii var. davidsonii J. G. Lemmon 1875-1 217 Sierra Comment
  UC169159  Penstemon deustus J. G. Lemmon 1875-1 221 Sierra Comment
  UCD124092  Penstemon deustus N. Hopkins 1971-6-14 213 Sierra Tahoe Forest; road to Lemmon Canyon. 1676 Comment
  UCSB16092  Penstemon deustus Breedlove, Dennis 1962-6-13 Sierra Along State Highway 89; 3 miles south of Sierraville 1767 Comment
  RSA135978  Penstemon deustus subsp. deustus Arthur R. Kruckeberg 1954-8-2 3684 Sierra About lookout, Sierra Buttes, Tahoe National Forest. 2621 Comment
  SEINET5326686 Image available Penstemon deustus var. pedicellatus W. Harnach, N. Harnach 1991-6-24 579 Sierra Antelope Valley 1707 Comment
  SEINET5326694 Image available Penstemon deustus var. pedicellatus P. A. Lehenbauer 1937-6-8 70 Sierra 25. w. of Reno, Nev., on Truckee r. at iceland, s. side of river by falls. 1676 Comment
  CHSC42773  Penstemon gracilentus L. P. Janeway 1984-7-29 939 Sierra Ca. 3 1/2 mi from Gold Lake near F. S. Rd 28 (21N11). 2225 Comment
  SBBG42653  Penstemon gracilentus K. K. Muller 1963-8-15 1230 Sierra 5 mi S of Gold Lake Comment
  UC65848  Penstemon gracilentus P. B. Kennedy and S. B. Doten 1901-7-8 135 Sierra Webber Lake Comment
  UC690304  Penstemon gracilentus Elmer I. Applegate 1921-9-7 3382 Sierra Gold Lake 2133 Comment
  POM203458  Penstemon gracilentus L. S. Rose 1934-7-1 34299 Sierra NE of Gold Lake. 2104 Comment
  RSA8057  Penstemon gracilentus H. A. Barker 1927-7-6 790 Sierra Gold Lake. 1951 Comment
  SEINET12334040  Penstemon gracilentus L. P. Janeway 1989-1 3535 Sierra Sierra City, Haskell Pk overlooking hwy89 and Sulphur Cr 2179 Comment
  UCD124175  Penstemon gracilentus Gerald Dickinson 1964-7-9 s.n. Sierra ca. 1 mile east of Yube Pass summit, State Highway 49. Comment
  NY601575  Penstemon heterodoxus var. heterodoxus J. G. Lemmon 1874-1 149 Sierra Comment
  CAS-BOT-BC239328  Penstemon newberryi var. berryi Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC239329  Penstemon newberryi var. berryi George Haley 1927-8-6 s.n. Sierra Webber 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
  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
  SJSU5134  Penstemon roezlii N. A. Hopkins 1968-6-28 134 Sierra Packer L 1950 Comment
  POM14662  Penstemon roezlii H. M. Hall, E. B. Babcock 1903-07 4485 Sierra Lower Sardine Lake. 1829 Comment
  UC335585  Penstemon roezlii J. G. Lemmon Sept. 1874 Sierra Downieville Buttes Comment
  SEINET5329684 Image available Penstemon rydbergii I. LaRivers 1960-6-22 s.n. Sierra Verdi Comment
  CAS-BOT-BC239622  Penstemon rydbergii var. oreocharis D. E. Breedlove 1962-6-13 3506 Sierra 1.5 miles north of Sierraville on State Hwy. 89 1524 Comment
  CAS-BOT-BC239625  Penstemon rydbergii var. oreocharis David D. Keck 1944-7-8 5416 Sierra Sierra Valley, 1.5 miles N. of Sattley, on Feather River road 1524 Comment
  CAS-BOT-BC239626  Penstemon rydbergii var. oreocharis W. R. Dudley 1894-8-31 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC239631  Penstemon rydbergii var. oreocharis Ella Dales Cantelow 1938-7-2 4481 Sierra 2 8/10 mi. N.W. of Calpine Comment
  UC1063516  Penstemon speciosus G. T. Nordstrom 1936-7-14 938 Sierra 2 1/4 mi nw Dog Valley; Tahoe National Forest, Sierraville Quad. 2286 Comment
  UC1602342  Penstemon speciosus H. M. Hall and E. B. Babcock July, 1903 4513 Sierra Gold Lake Sierra Nevada Mountains, Gold Lake 1950 Comment
  UC335608  Penstemon speciosus J. G. Lemmon Aug. 1874 Sierra Webber Lake Comment
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Mar 20 2006
  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
  RSA401886  Penstemon speciosus Robert Gustafson 1985-6-14 3172 Sierra Hwy 49, ca 2 miles E of Yuba Pass summit. 1951 Comment
  RSA79294  Penstemon speciosus E. K. Balls, Percy C. Everett 1952-10-9 18123 Sierra Hwy 89, 3.6 mi NW of Sierra-Nevada County line, along Little Truckee River. 1372 Comment
  SEINET12119302  Perideridia bolanderi Bolander 1874-1 s.n. Sierra Sierra Co., &c Comment
  UC1087747  Perideridia bolanderi subsp. bolanderi R. Ornduff 1958-6-25 4991 Sierra meadow next to road to Webber Lake (about 0.5 mi e of resort area) 2133 Comment
  RSA8000  Perideridia bolanderi subsp. bolanderi H. A. Barker 1927-7-11 804 Sierra Gold Lake 1966 Comment
  CHSC40974  Perideridia gairdneri subsp. borealis J. D. Jokerst 1984-7-23 2118 Sierra Ca. 3.5 mi. E. of Sierra City, ca. 200 ft. N. of Haypress Cr. 1767 Comment
  SEINET11153904  Perideridia gairdneri subsp. borealis S. B. Doten 1901-7-1 s.n. Sierra Webber Lake. Comment
  UC1389935  Perideridia lemmonii T. I. Chuang, L. Constance, R. S. Mitchell, and R. Schlising 1965-9-8 6030 Sierra near Webber Lake; near Webber lake Comment
  UCD84220  Perideridia lemmonii Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  JEPS12304  Perideridia lemmonii W. L. Jepson 1918-8-17 8041 Sierra Sierra Valley 1524 Comment
  UCD84070  Persicaria amphibia Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra County. Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  JEPS23855  Phacelia bicolor var. bicolor Rimo Bacigalupi with Lincoln Constance 1959-6-15 7135 Sierra 5 mi n Sierraville (area at base of hills bordering the e edge of Sierra Valley (just s of Rice Hill), to e of rd to Loyalton) 1493 Comment
  SBBG120357  Phacelia hastata D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16747 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 Comment
  RSA427987  Phacelia heterophylla subsp. virgata Britton, Robert W. Townsend 1939-8-23 131 Sierra On north bank of Yuba River, seven miles above Sierra City. 1674 Comment
  SEINET12331119  Phacelia heterophylla subsp. virgata F. H. Utech 1986-1 86 -073 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 1350 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
  POM308725  Phacelia humilis var. humilis Betty J. Jorgensen 1944-6-22 466 Sierra Little Truckee River, 10 miles N of Hobart Mills. Comment
  RSA427998  Phacelia humilis var. humilis Fay A. MacFadden 1934-6-29 12546 Sierra Little Truckee River, 13 miles from Hobart Mills on old road to Reno. Comment
  SEINET3558459 Image available Phacelia hydrophylloides Lewis S. Rose 1934-7-4 34312 Sierra Gold Lake. 1951 Comment
  CHSC105785  Phacelia mutabilis Lowell Ahart 2010-9-15 17162 Sierra Open areas, around trees, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC94140  Phacelia mutabilis Lowell Ahart 2006-6-28 12876 Sierra On the west slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1880 Comment
  UC66014  Phacelia mutabilis P. B. Kennedy and S. B. Doten 1901-7-8 131 Sierra near Webber Lake Comment
  SD149164  Phacelia mutabilis Gordon True 1971-9-7 Sierra Cold Stream Canyon, Mt. Lola Trail 2316 Comment
  SJSU11218  Phacelia mutabilis H. L. Buckalew 1964-7-16 Sierra Yuba Pass, Hwy 49 2042 Comment
  SJSU14281  Phacelia mutabilis N. A. Hopkins 1989-7-1 1552 .5 Sierra by Yuba Pass- Webber L Rd c. 1.5 mi N of Henness Pass 2072 Comment
  JEPS110044  Phacelia procera Lowell Ahart 2006-6-21 12847 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany 849 Comment
  UC66017  Phacelia procera P. B. Kennedy and S. B. Doten 1901-7-23 207 Sierra Lincoln Valley Comment
  CAS-BOT-BC154295  Phacelia ramosissima Gordon H. True 1967-7-31 3668 Sierra Verdi Peak Road about 1/2 mile below summit 2499 Comment
  JEPS124769 Image available Philadelphus C. L. Kline 1965-7-29 110 Sierra 2.9 mi. East of Goodyear Bar, Hwy 49. Comment
  LA83561  Philadelphus lewisii O. H. Kappler; 1946-7-20 1334 Sierra North Fork, Yuba River 822 Comment
  SBBG33896  Philadelphus lewisii L. S. Rose 1969-6-25 Sierra 5 mi E of Indian Valley, N Fork of Yuba River 1219 Comment
  SJSU12016  Philadelphus lewisii N. A. Hopkins 1975-7-24 692 Sierra near Rosassco Ravine 1 mi W of Downieville 914 Comment
  UCR249168  Philadelphus lewisii George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20790 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.8 miles west of Goodyears Bar, c. 5 miles west of Downieville 779 Comment
  SEINET10921148  Phleum alpinum Lowell Ahart 1991-1 Ahart 6683 Sierra Mountain Timothy T19N R7E nw/ S24 Small size plants, growing on dry bare soil in French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber lake,. common. Mountain Meadow in Red Fir Forest 2134 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
  UC83566  Phlox stansburyi J. G. Lemmon 1875-1 195 Sierra Comment
  CAS-BOT-BC60687  Phoenicaulis cheiranthoides W. Harnach; N. Harnach 1989-4-13 020 Sierra Sierra Valley. Newman Point. 1531 Comment
  UCD116137  Phoenicaulis cheiranthoides Sue Adams 1967-5-21 38 Sierra 15 miles east of Sierraville. 1310 Comment
  CHSC69194  Phoradendron libocedri Vernon Oswald; Lowell Ahart 1997-8-19 8824 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
  CHSC97713  Phoradendron villosum Lowell Ahart 2007-10-25 14504 Sierra About 10 yards east of Port Wine Ridge Road and the remains of two old buildings, about 1 1/2 miles north of Scales, about 5 miles (air) south of La Porte. 1432 Comment
  RSA726563  Phoradendron villosum L. Ahart 2007-10-25 14504 Sierra About 1.5 miles north of Scales, about 5 miles (air) south of La Porte. 1433 Comment
  SEINET12230340  Phoradendron villosum F. H. Utech 1986-1 86 -052 Sierra Tahoe National Forest, Wild Plum Recreation Area, ca 2 mi E of Sierra City on CA 49 1350 Comment
  CAS-BOT-BC58242  Phyllodoce breweri Roxana S. Ferris 1926-9-7 6848 Sierra Summit of Ebbets Pass. Comment
  RSA121956  Phyllodoce breweri A. Lewis 1934-6-15 485 -B Sierra Fillmore Pk. 2165 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
  RSA0117086  Physocarpus capitatus Lowell Ahart 2015-5-9 20185 Sierra On the north side of the Canyon Creek Trail, trail on the north side of the North Fork of the Yuba River, about 300 yards west of Highway 49, about one mile west of Indian Valley. 692 Comment
  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-BC78486  Pinus contorta subsp. murrayana William R. Dudley 1894-6-7 s.n. Sierra Near Donner Lake Comment
  CAS-BOT-BC78489  Pinus contorta subsp. murrayana Javier Penalosa 1962-6-20 2549 Sierra Little Truckee R. at Hwy. 89 1905 Comment
  MACF019591  Pinus contorta subsp. murrayana Trudy R. Ericson 1975-9-13 390 Sierra Approx. 1 mi. south of intersection of Bear Valley Road and St. Hwy. 89, Tahoe National Forest 1920 Comment
  SEINET11528634  Pinus contorta var. murrayana P. Lehenbauer 1936-10-4 s.n. Sierra Gold Lake. Comment
  SEINET11565665  Pinus jeffreyi D. Charlet 1996-7-26 2307 Sierra Sierra Nevada Bald Mountain Range; along Merrill Creek at crossing on Babbit Peak lookout road 2164 Comment
  SEINET5334636  Pinus jeffreyi R. J. Holl 1949-4-17 s.n. Sierra Truckee Canyon, 7 miles west of Verdi, 1524 Comment
  CAS-BOT-BC73135  Pinus lambertiana H. Albert Barker 1926-7-22 148 Sierra Gold Lake, from Sugar Pine on hill opposite 1st point on left side of lake. 1981 Comment
  UC336033  Pinus lambertiana unknown 1887-8-1 Sierra Randolph 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
  SEINET12616170  Pinus ponderosa var. ponderosa David A. Charlet, S. Seybold 1997-4-14 2383 Sierra Sierra Nevada; Little Truckee River drainage, 0.3 road mi N of Kyburz Flat Rd on State Hwy 89, west of rd, by river. 1909 Comment
  CAS-BOT-BC80050  Pinus washoensis John Thomas Howell; Gordon H. True 1970-7-14 5498 Sierra Crystal Peak [loop road] Loop Road ca. 0.5 miles west of Dog Valley Road near Dog Valley Campground 1950 Comment
  NY579174  Pinus washoensis D. A. Charlet 1997-4-8 2375 Sierra Sierra Nevada, Little Truckee River drainage, on west shoulder of State Highway 89, 0.3 road mile N of Kyburz Flat Road. Elev. 6280 ft. 1915 Comment
  RSA261588  Pinus washoensis Trudy R. Ericson 1976-7-3 573 Sierra Near Babbitt Peak Lookout Station, Tahoe National Forest. 2671 Comment
  SJSU14022  Plagiobothrys cognatus N. A. Hopkins 1988-6-3 1416 Sierra Knuthson Meadow between Hwy 89 & Carmen Valley 1524 Comment
  UCD84227  Plagiobothrys cusickii Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  CHSC46765  Plagiobothrys hispidulus Lowell Ahart 1983-10-27 4483 Sierra Near a dirt road, about 2 miles south-east of Jackson Meadow Reservoir Dam, about 1 mile south of Pass Creek, near Jackson Meadow Reservoir. 2011 Comment
  CAS-BOT-BC228231  Plagiobothrys hispidulus Lowell Ahart 1983-10-27 4483 Sierra Near a dirt road that is ca. 2 miles SE of Jackson Meadows Res., Ca. 1 mile S of Pass Cr., near Jackson Meadows Res. 2200 Comment
  SJSU8036  Plagiobothrys hispidulus N. A. Hopkins 1978-6-7 915 Sierra c. 2 mi NW of Sattley 1524 Comment
  SJSU12113  Plagiobothrys tenellus N. A. Hopkins 1983-6-15 1139 Sierra Upper Long Valley W of Bordertown 1584 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
  SEINET9163566  Plantago lanceolata W. Harnach, N. Harnach 1990-7-12 473 Sierra Sierra Valley, Sierraville, ca 0.25 mile W of the rodeo grounds on county road. 1524 Comment
  SCFS2392  Plantago lanceolata N. Rechen 1964-6-25 67 Sierra 3 mi E of Goodyear's Bar on Hwy 49 914 Comment
  SEINET9162886  Plantago lanceolata H. Hamlin 1904-1 s.n. Sierra Sierra Valley. Comment
  SJSU9130  Platanthera dilatata var. leucostachys H. L. Buckalew 1964-7-18 Sierra Yuba Pass 2042 Comment
  CHSC11038  Platanthera sparsiflora Lowell Ahart 1965-7-22 Sierra Eugene Ahart Camp. 1981 Comment
  CHSC59031  Platanthera sparsiflora Lowell Ahart 1992-7-17 6792 Sierra About 2 (air) miles east of Quartz Point, about 6 (air) miles south-east of Downieville. 1706 Comment
  JEPS64459  Platanthera sparsiflora A. Ames Jul 1913 16 Sierra Yuba Pass Comment
  UCD18573  Platanthera sparsiflora Roman Gankin 1951-7-26 52 Sierra near north fork of North Fork of Yuba River, State Hwy 49, near Pioneer Lodge, Sierra Buttes Recreation Area. 1798 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
  JEPS75457  Poa bolanderi W. L. Jepson 1934-8-3 16834 Sierra 2 mi e Bassett Station (Pioneer road sta., N Fork Yuba River) 1706 Comment
  SEINET7709409  Poa bolanderi H. G. Oosting, W. D. Billings 1941-8-1 s.n. Sierra 1/4 mi. W of Yuba Pass. Comment
  SEINET7709460  Poa bolanderi W. D. Billings 1951-7-8 2119 Sierra 1 mile N of Weber Lake. 2134 Comment
  UCD90828  Poa bulbosa Grady L. Webster 1990-5-13 7730 Sierra gravelly flats in Sierra Valley, 0.5 mi. west of Sierraville. 1508 Comment
  UCR80879  Poa bulbosa G. L. Webster 1990-5-13 7730 Sierra Sierra Valley, 0.5 mi. west of Sierraville 1509 Comment
  UCSB15905  Poa bulbosa Breedlove, Dennis 1962-6-13 Sierra State Highway 89, 9.3 miles north of Sierraville 1524 Comment
  CHSC94199  Poa compressa Lowell Ahart 2006-6-21 12801 Sierra On the west side of the Foote Road, near Blue Ravine, about 3 miles (by road) southwest of Alleghany. 1053 Comment
  JEPS110286  Poa compressa Lowell Ahart 2006-6-21 12801 Sierra On the west side of the Foote Road, near Blue Ravine, about 3 miles (by road) southwest of Alleghany 1053 Comment
  CHSC94215  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-BC246856  Poa nemoralis Catherine Best 1983-8-29 861 Sierra Herrington's, Sierra City 1219 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
  RSA115600  Poa palustris Beecher Crampton 1957-7-24 4420 Sierra Peat meadow, Van Vleck Ranch, Sierra valley, 4 miles northeast Sattley Comment
  UCD91794  Poa palustris Beecher Crampton 1957-7-24 4420 Sierra Gordon Van Vleck Ranch, Sierra Valley, 4 miles north east of Sattley. Comment
  UCD38318  Poa pratensis Beecher Crampton 1954-5-10 1857 Sierra 2.5 miles west of Sattley. Along Hwy. 49. 1676 Comment
  UCR132237  Poa pratensis Beecher Crampton 1954-5-10 1857 Sierra Tahoe National Forest, 2.5 miles above (west of) Sattley, along Hwy 49 to Yuba Pass 1677 Comment
  CHSC112088  Poa pratensis subsp. pratensis L. P. Janeway 2014-6-23 11404 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
  UC593541  Poa pratensis subsp. pratensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1614 Sierra on hwy 1 1/2 mi s Sierraville 1600 Comment
  CDA11890  Poa secunda G. F. Hrusa, J. Jokerst 1991-7-5 8550 A Sierra Sierra Valley Region; Antelope Valley, about Golden Dome. Comment
  CAS-BOT-BC236289  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
  UCD84067  Poa secunda subsp. juncifolia Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  UCD92383  Poa secunda subsp. juncifolia P. B. Kennedy 1929-7-20 s.n. Sierra Above Lusk Meadow, Salmon Lakes. Comment
  UCR224672  Poa secunda subsp. juncifolia 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
  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
  CAS-BOT-BC243204  Poa secunda subsp. secunda Lowell Ahart 1978-9-26 s.n. Sierra On the N side of Mount Fillmore 2200 Comment
  CAS-BOT-BC243205  Poa secunda subsp. secunda Lowell Ahart 1978-6-4 s.n. Sierra 4 miles S of Alleghany 1300 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
  CHSC110228  Poa secunda subsp. secunda L. P. Janeway 2012-6-24 10901 Sierra Northern High Sierra Nevada. Top of band of serpentine along Sawmill Ridge 1.0 km southeast of Delahunty Lake and 2.7 km northwest of Mt Fillmore. 1901 Comment
  JEPS110364  Poa secunda subsp. secunda Lowell Ahart 2006-6-21 12831 Sierra Along the road, about 2 1/2 miles (by road) west of Forest 1397 Comment
  UCD32535  Poa secunda subsp. secunda Beecher Crampton 1954-5-10 1852 Sierra 7 miles NE of Camptonville, S canyon slope of N Yuba River. Comment
  CHSC54580  Polemonium californicum Lowell Ahart 1991-7-22 6694 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  UC1586398  Polemonium californicum Lowell Ahart 1991-7-22 6694 Sierra about 1/4 mi s Henness Pass Road (French Meadow, about 3 mi nw of Webber Lake); nw of Webber Lake, French Meadow, s of Henness Pass Rd. 2133 Comment
  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
  POM297981  Polemonium californicum J. G. Lemmon 1874-1 186 Sierra [No location informaiton provided on label.] Comment
  UC584318  Polemonium micranthum G. L. Stebbins Jr. and J. A. Jenkins 1937-5-22 2139 Sierra about 3 1/2 mi e Loyalton; e of Loyalton 1615 Comment
  SEINET10496910  Polemonium occidentale Heidi H. Schmidt 1993-6-13 Schmidt 853 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Sagebrush flats, meadow. 1650 Comment
  SEINET13761569  Polemonium occidentale subsp. occidentale W. Harnach, N. Harnach 1989-6-10 138 Sierra Sierra Valley, Strang Creek on Hwy 49, 100 yds east of Strang Ck. 1503 Comment
  JEPS124750 Image available Polygala cornuta Marge Kempf 1965-6-29 216 Sierra Goodyear's Bar- 10 miles from Goodyear's Bar forest at HWY 49 at junction 4 miles from Downieville. Comment
  SEINET1004836  Polygala cornuta var. cornuta Jane A. Reese 1962-1 Sierra 4 miles west of Downieville on Highway 49. 834 Comment
  UC965565  Polygonum amphibium var. stipulaceum Herbert L. Mason 1952-7-19 14453 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierra-Beckwourth road); Sierra Nevada, Sierra Valley 1524 Comment
  SJSU15108  Polygonum argyrocoleon N. A. Hopkins 1992-7-21 1719 Sierra Knudson Meadow N of Carman Cr Comment
  SEINET4337882  Polygonum aviculare subsp. aviculare W. Harnach, N. Harnach 1990-7-29 480 Sierra Sierra Valley approx. 1/4 mile south of the Plumas-Sierra county line on county road A-23 Comment
  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
  UC66004  Polygonum bistortoides P. B. Kennedy 1901-7-11 151 Sierra near Webber Lake Comment
  CAS-BOT-BC414583  Polygonum douglasii Lowell Ahart 1982-7-28 3721 Sierra North of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  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
  SEINET10871693  Polygonum douglasii Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4478 Sierra Near a dirt road that is ca. 2 mi se of Jackson Meadow Reservoir, ca. 1 mi s of Pass Creek, near Jackson Meadow Reservoir. Red Fir Forest; 2200 m. 2200 Comment
  SJSU12088  Polygonum douglasii N. A. Hopkins 1975-8-26 727 .5 Sierra 2 mi N of Independence L 2103 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
  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
  CHSC53042  Polygonum douglasii subsp. douglasii L. P. Janeway 1989-8-24 3632 Sierra North-facing slopes along SE side of McNair Mdw; ca 1 mi W of Calpine L. O. 1630 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
  UC585244  Polygonum douglasii subsp. douglasii E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1676 Sierra Sierra Valley; e side, on road to Loyalton 1600 Comment
  SEINET10479870  Polygonum douglasii subsp. douglasii Lowell Ahart 1991-7-22 Ahart 6678 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles northwest of Webber Lake. Mountain Meadow in Red Fir Forest. T19N R7E NW/S24. 2134 Comment
  JEPS83271  Polygonum douglasii subsp. spergulariiforme J. D. Jokerst 1985-7-22 2521 Sierra ca 1/2 mi w Westside road (w edge of valley, ca 1.5 mi nnw of Calpine); Sierra Valley 1524 Comment
  SEINET4335427  Polygonum kelloggii var. kelloggii W. Harnach, N. Harnach 2000-5-22 896 Sierra Sierra Valley, 1.25 mile north of the intersection of A-23 and Calpine Rd. 1497 Comment
  CAS-BOT-BC419843  Polygonum parryi John Thomas Howell 1955-7-20 30882 Sierra Near Calpine. In low place in Sierra Valley. 1508 Comment
  SJSU12082  Polygonum parryi N. A. Hopkins 1983-7-9 1158 Sierra 1 mi SW of Calpine, Sierra Valley 1524 Comment
  JEPS88367  Polygonum phytolaccifolium Vernon H. Oswald and Lowell Ahart 1996-8-19 8214 Sierra Yuba Pass-Weber lake Rd. (Forest Rt. 12) 0.4 mi. n. of rd. to Haypress Valley; northern High Sierra Nevada 2225 Comment
  SDSU9660  Polygonum phytolaccifolium D. F. Howe 1964-7-28 3888 Sierra 5.5 miles south of Gold Lake Lodge, Tahoe National Forest. 1829 Comment
  UC1561939  Polygonum polygaloides subsp. confertiflorum Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7225 Sierra on Tahoe Nat'l For. Rd S450 ca 1.5 mi e Hwy 89 (head of river, ca 12 air mi n of Truckee); Kyburz Flat, Little Truckke River 1920 Comment
  CAS-BOT-BC419870  Polygonum polygaloides subsp. confertiflorum John Thomas Howell 1976-7-16 51929 Sierra 2 miles north of Sattley. 1524 Comment
  JEPS125800  Polygonum polygaloides subsp. kelloggii William Harnach 2000-5-22 896 Sierra 1.25 mile North of the intersection of A-23 and Calpine Road Comment
  CAS-BOT-BC109280  Polygonum shastense Lowell Ahart 1969-9-21 s.n. Sierra 2 miles south and 2 miles west of Webber Lake. 2438 Comment
  CAS-BOT-BC421060  Polygonum spergulariiforme James Jokerst 1985-7-22 2521 Sierra Near Carman Creek. 901 Comment
  SEINET8655835  Polygonum spergulariiforme W. Harnach 2015-8-26 1443 Sierra Salmon Creek Campground 1756 Comment
  UC1321885  Polystichum kruckebergii Robert M. Lloyd, T. F. Niehaud, and Jack Major 1966-7-9 4007 Sierra e base of n cliff of s butte Sierra Buttes 2438 Comment
  CAS-BOT-BC76692  Polystichum munitum Lowell Ahart 1982-7-28 3715 Sierra In water ditch a little north of the Pacific Mine, about 5 miles east of La Porte. 1700 Comment
  CHSC46514  Populus balsamifera subsp. trichocarpa Lowell Ahart 1981-6-23 2879 Sierra Wallace Creek, on the north side of the dirt (county) road, about 4 miles north-east of La Porte. 1645 Comment
  SBBG120353  Populus balsamifera subsp. trichocarpa D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16750 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 Comment
  SEINET10538871  Populus balsamifera subsp. trichocarpa Heidi H. Schmidt 1993-6-12 Schmidt 845 Sierra Tahoe National Forest. Road to Weber Lake. 6.4 miles W of state highway 89. 1970 Comment
  CAS-BOT-BC102707  Populus tremuloides W. R. Dudley 1894-8-31 s.n. Sierra Shore of Webber Lake Comment
  CAS-BOT-BC105516  Populus trichocarpa Gordon H. True 1965-10-5 2669 Sierra Truckee River, near Mystic R.R. bridge just east of Sierra County line 1554 Comment
  JEPS3590  Porterella carnosula Herbert L. Mason 1952-7-19 14439 Sierra 1.5 mi e Calpine (near junction of Sierraville-Beckwith road and Calpine road, Sierra Valley); Sierra Valley Comment
  JEPS4931  Porterella carnosula Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4274 Sierra just 1 mi e Calpine (Sierra Valley, eastern Sierra County); Sierra Valley 1493 Comment
  UC67093  Porterella carnosula P. B. Kennedy 1901-7-18 168 Sierra meadow near Webber Lake; near Webber Lake Comment
  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
  CAS-BOT-BC452087  Potamogeton alpinus W. R. Dudley 1894-8-1 s.n. Sierra In Webber Lake Comment
  SJSU5108  Potamogeton foliosus M. D. Fleschner 1965-7-15 Sierra 1 mi N of Sattley on the Sattley-Calpine (Beckwourth)Rd., Sierra Valley 1493 Comment
  CAS-BOT-BC267225  Potamogeton praelongus W. R. Dudley 1894-8-1 s.n. Sierra In Weber Lake Comment
  RSA8077  Potentilla glandulosa subsp. ashlandica H. A. Barker 1927-6-28 750 Sierra Gold Lake. 1954 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
  UCD113929  Potentilla gracilis var. fastigiata K. M. Meyer; A. Townesmith 2007-7-15 114 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  CAS-BOT-BC541008  Potentilla gracilis var. fastigiata Lin Grayson 1981-5-16 042 Sierra Sierra-Plumas Co. Sierra Valley marsh along County Road A 24. 1666 Comment
  CAS-BOT-BC541017  Potentilla gracilis var. fastigiata H. C. Cantelow 1937-8-6 12 Sierra Near Sierraville Comment
  SEINET6637151  Potentilla gracilis var. fastigiata S. B. Doten 1901-7-12 155 Sierra [Sierra Nevada] Webber Lake Comment
  SEINET6637081  Potentilla millefolia W. Harnach, N. Harnach 1989-4-13 19 Sierra Sierra Valley, 1.0 miles N of Sattley on Co. Rd. A-23, Dargee Ranch 1497 Comment
  JEPS98957  Potentilla rivalis Lowell Ahart 2001-8-10 9073 Sierra Strand of Stampede Reservoir, about 1 mile SW of Henness Pass Road, about 1 1/4 miles NW of Stampede Reservoir Dam. 1810 Comment
  RSA748576  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. 1749 Comment
  CHSC91648  Poteridium annuum G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16300 Sierra Northern Sierra Nevada. Sierra Valley. Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. In bottom of drainage. 1645 Comment
  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
  CAS-BOT-BC47623  Primula suffrutescens Lowell Ahart 1976-10-11 s.n. Sierra On the north side of Mt. Fillmore 2286 Comment
  RSA123242  Primula suffrutescens A. Lewis 1934-7-16 514 Sierra 3/4 mile SW of Wades Lake. 2134 Comment
  UC569731  Primula suffrutescens N. French 1934-7-13 522 Sierra Mount Lola; Truckee Quad., Mount Lola 2743 Comment
  SEINET11994963  Primula suffrutescens J. G. Lemmon 1874-1 145 Sierra Comment
  SEINET12051359  Prosartes hookeri F. H. Utech 1990-1 90 -890 Sierra Tahoe National Forest, American Flat area, ca 1.5 mi NNE of Pliocene Station & NF S180 on NF Rd S300 1000 Comment
  UCLA85885  Prunella vulgaris var. lanceolata O. H. Kappler 1946-7-20 1326 Sierra North Fork Yuba River 822 Comment
  CAS-BOT-BC158196  Prunus emarginata Jean L. Pawek 1956-5-21 56 Sierra Highway 49 1524 Comment
  CHSC105667  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
  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
  RSA794703  Prunus emarginata L. Ahart 2010-9-15 17170 Sierra Open areas around the cabin at the spring, about 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak. 2135 Comment
  SEINET8916983  Prunus emarginata W. Harnach 2013-5-14 1348 Sierra Sierra Valley, along FR 52, 3.2 miles W of the Hwy 89 Main Street intersection in Calpine. 1729 Comment
  UC1128318  Prunus emarginata G. T. Nordstrom 1936-7-9 921 Sierra 2 mi nw of Dog Valley (Tahoe National Forest); Tahoe National Forest 1981 Comment
  UCD113440  Prunus emarginata R. Randell 1996-5-26 19 Sierra Tahoe National Forest, Wild Plum Road, 1.25 miles from Highway 49. 1350 Comment
  UC1128492  Prunus subcordata A. Lewis 1934-8-5 522 Sierra Loganville 1310 Comment
  RSA0065157  Prunus subcordata Greg de Nevers 1997-8-15 11083 Sierra Sierra or Yuba County. North Fork Yuba River. 914 Comment
  RSA96076  Prunus subcordata Percy C. Everett, E. K. Balls 1954-10-8 20248 Sierra Highway 49, Downieville to Sierra City, 7.7 miles east of Downieville. 1220 Comment
  CAS-BOT-BC151222  Prunus virginiana var. demissa P. A. Lehenbauer 1937-6-8 53 Sierra 25 mi. w. of Reno, on Truckee R., at Iceland, s. side of river by falls. 1676 Comment
  CAS-BOT-BC151225  Prunus virginiana var. demissa Alice Eastwood 1918-6-29 7830 Sierra Loyalton Comment
  JEPS124085  Prunus virginiana var. demissa Lowell Ahart 2015-5-9 20172 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  JEPS124554 Image available Prunus virginiana var. demissa Dixie Funnell 1965-6-29 51 Sierra Union flat campground, off highway 4. Comment
  CAS-BOT-BC357402  Pseudognaphalium microcephalum Margaret Williams 1972-8-27 s.n. Sierra Merrill Valley just north of Stampede Dam 2011 Comment
  SEINET8850299  Pseudostellaria jamesiana W. Harnach, N. Harnach 1990-6-30 442 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  NY63877  Pseudotsuga menziesii var. menziesii J. G. Lemmon 1874-1 s.n. Sierra "Sierra Co. &c." Comment
  NY63885  Pseudotsuga menziesii var. menziesii J. G. Lemmon 1874-1 s.n. Sierra Comment
  SEINET5334804  Pseudotsuga menziesii var. menziesii P. A. Lehenbauer 1936-10-4 s.n. Sierra Gold Lake Comment
  UC1070078  Psilocarphus brevissimus var. brevissimus H. S. Yates 1935-6-28 5268 Sierra 5.25 mi nne Sattley; Sierraville Quad. 1493 Comment
  UC585139  Psilocarphus brevissimus var. brevissimus E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1661 Sierra about 5 mi n Sattley; Sierra Valley Comment
  UC585136  Psilocarphus oregonus E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1659 Sierra about 5 mi n Sattley; Sierra Valley 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
  CHSC54562  Pterospora andromedea Lowell Ahart 1991-7-29 6699 Sierra On the west side of Negro Creek, west of Burlington, about 1 miles north-east of Harris Meadow, about 1-1/4 miles north-east of Granite Mountain. 1828 Comment
  UCD117791  Pterospora andromedea Roman Gankin 1951-8-17 51 Sierra Near north fork of Yuba River, State Highway 49, near Pioneer Lodge in Sierra Buttes Recreation Area. 1798 Comment
  UCD91538  Puccinellia distans John Thomas Howell 1962-6-18 37836 Sierra Sierra Nevada. Sattley. 1524 Comment
  SEINET7464476  Purshia tridentata W. Harnach, N. Harnach 1991-6-15 544 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch (home) 1503 Comment
  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
  CAS-BOT-BC147888  Purshia tridentata var. tridentata W. R. Dudley 1909-8-26 s.n. Sierra Sierra Valley, near Hot Springs Comment
  CAS-BOT-BC147889  Purshia tridentata var. tridentata Catherine Best 1981-6-17 s.n. Sierra Highway 89 12 miles north of Truckee Comment
  JEPS29727  Purshia tridentata var. tridentata Rimo Bacigalupi, and L. R. Heckard 1962-5-27 8483 Sierra 2 mi s Sierraville; Sierra Valley 1615 Comment
  UC1093145  Purshia tridentata var. tridentata E. C. Nord 1957-8-20 78 Sierra 4 mi ene Hobart Mills; Tahoe National Forest 2286 Comment
  UC450426  Pycnanthemum californicum J. G. Lemmon Sierra Gold Lake; High Sierra, Gold Lake Comment
  SEINET7246456  Pyrola asarifolia W. Harnach, N. Harnach 1991-7-4 612 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (the fenced bog hole) 1512 Comment
  CAS-BOT-BC465502  Pyrola asarifolia Gladys L. Smith 1959-6-19 1222 Sierra Lower Sardine Lake 1828 Comment
  JEPS117426  Pyrola dentata Lowell Ahart 2010-8-3 17038 Sierra About 100 yards west of the poor logging road, about 2 miles (air) west of Keystone Mountain, about 1/2 mile (air) north of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 9 miles (air) northeast of Alleghany 1733 Comment
  CHSC53044  Pyrola picta L. P. Janeway 1989-8-10 3570 Sierra Plumas National Forest. Haskell Pk overlooking Hwy 89/Sulphur Cr. 2133 Comment
  UC334229  Pyrola picta J. G. Lemmon Sierra along the Sierra, Webber Lake Webber Lake; Sierra, Webber Lake Comment
  JEPS124859 Image available Pyrola picta Marge Kempf 1965-7-6 262 Sierra 1/4 E. for HWY 89 on Calpine Beckworth Rd. 45 ft. from road within fenced area. Comment
  SEINET10849561 Image available Pyrrocoma demissa Charles F. Sonne 1892-7-10 Sonne 139 Sierra Sardine Valley. Comment
  CHSC67886  Pyrrocoma lucida James D. Jokerst 1985-8-20 2573 Sierra Ca. 100 m E of Westside Rd., 2 mi S of Plumas Co. line. In disced field. 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
  RSA88286  Pyrrocoma lucida J. T. Howell 1951-8-21 s.n. Sierra Sierra-Plumas Co. line on road from Blaitsden to Calpine. 1524 Comment
  CAS-BOT-BC494120  Pyrrocoma lucida W. Harnach; N. Harnach 2000-8-23 1001 Sierra Sierra Valley. 1 mi E of Calpine, on Calpine Rd (home) 1504 Comment
  CAS-BOT-BC68639  Quercus chrysolepis Elmer I. Applegate 1921-9-8 3390 Sierra Near Sierra City Comment
  JEPS120551  Quercus chrysolepis Tim Hanson 2013-9-3 6 Sierra Northern High Sierra Nevada. On south facing slope of Slate Creek canyon approximately 6 air km northeast of La Porte. Comment
  UCD82662  Quercus chrysolepis Rodney Gale Myatt 1972-1 1564 -2 Sierra Fournier. 1220 Comment
  JEPS115073  Quercus kelloggii Lowell Ahart 2007-10-25 14503 Sierra West side of a 20 acre meadow, about 40 yards east of Port Wine Ridge Road and the remains of two old buildings, about 1 1/2 miles north of Scales, about 5 miles (air) south of La Porte 1432 Comment
  SEINET10431740  Quercus kelloggii Unknown 1936-10-4 s.n. Sierra A few miles W of Loyalton. 2347 Comment
  JEPS87823  Raillardella argentea Lowell Ahart 1994-7-20 7475 Sierra open bare area n Pacific Crest Trail (n side of ridge, about 1/2 mi nw of Mt. Etna, Plumas and Sierra Cos.); Bunker Hill Ridge 1981 Comment
  CHSC40632  Raillardella scaposa J. D. Jokerst 1982-9-10 1669 Sierra Along trail to summit of Sierra Buttes from Packer Lake. 2316 Comment
  UC1258304  Ranunculus Nancy Morin July 1978 269 Sierra Bear Valley Rd Kyburz Flat Comment
  SEINET5338258  Ranunculus alismifolius F. Martin 1962-5-9 29 Sierra In Dog Valley Proper. Comment
  JEPS55133 Image available Ranunculus alismifolius var. alismifolius J. G. Lemmon Sierra Sierra Valley High Sierras Comment
  SJSU13875  Ranunculus alismifolius var. alismifolius N. A. Hopkins 1985-6-18 1281 Sierra between Hwy 89 & Carmen Valley 1554 Comment
  CHSC23903  Ranunculus alismifolius var. lemmonii L. Skjelstad 1975-2-20 1 Sierra Ca. 200 m. east of Long Valley Creek, 15 mi. n of Reno, Nevada. 1584 Comment
  SJSU4025  Ranunculus aquatilis var. diffusus C. W. Sharsmith & Wayne Savage 1967-5-20 Sierra in drainage of open meadow land 1 mi N of Sattley, Sierra Valley 1493 Comment
  UCD96121  Ranunculus flammula var. ovalis Collector unknown 1929-7-26 s.n. Sierra Lusk Meadow, Salmon Lake. Comment
  SEINET8697094  Ranunculus glaberrimus var. ellipticus W. Harnach, N. Harnach 1989-3-19 001 Sierra Sierra Valley, E of Calpine, Calpine Ranch. 1504 Comment
  SD236391  Ranunculus occidentalis G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13480 Sierra Sierra Nevada Mountains Foothills: Henness Pass road, 3.4 miles northeast of Camptonville. 1260 Comment
  SEINET5338814  Ranunculus occidentalis P. A. Lehenbauer 1935-5-21 s.n. Sierra Balls Canyon. Comment
  SEINET5338818  Ranunculus occidentalis M. Humphreys 1950-4-30 18 Sierra 1 mile west of Sierra City, south side of highway 49. 1067 Comment
  SEINET5338851  Ranunculus occidentalis var. ultramontanus A. A. Heller, P. B. Kennedy 1907-7-1 8670 Sierra Purdy Comment
  SEINET5338854  Ranunculus orthorhynchus R. J. Holl 1948-5-22 55 Sierra Dog Valley, 8 miles west of Verdi. 1585 Comment
  UC1477469  Ranunculus orthorhynchus var. orthorhynchus Nancy Morin July 1978 272 Sierra Bear Valley Rd Kyburz Flat Comment
  NY841937  Ranunculus oxynotus J. G. Lemmon 1874-1 4 Sierra Castle Peak. Comment
Read comments
Mar 5 2011
  JEPS41975  Rhamnus rubra W. L. Jepson 1934-8-3 Sierra 2 mi e Bassett station (at Pioneer road station); Sierra Nevada, North Fork of Yuba River 1706 Comment
  RSA21682  Rhamnus rubra Carl B. Wolf 1937-8-6 9042 Sierra Northern Sierra Nevada, No. fork of Yuba River, 2.5 mi. above Downieville. 976 Comment
  CAS-BOT-BC56585  Rhododendron columbianum Mrs. E. C. Sutliffe 1920-9-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC56586  Rhododendron columbianum H. Albert Barker July 5 56 Sierra Summit Lake (largest) Comment
  UCD63706  Rhododendron columbianum D. 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
  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
  JEPS95837  Ribes aureum var. aureum Lowell Ahart 1999-7-26 8128 Sierra about 7 miles (air) east of Webber Lake; Little Truckee River; on the west side of Independence Road; just south of the Little Truckee River; south of Fibreboard Road; about 7 miles (air) east of Webber Lake 1889 Comment
  SEINET12216479  Ribes californicum J. G. Lemmon 1874-1 80 Sierra Sierra Co., &c Comment
  CAS-BOT-BC108760  Ribes cereum W. R. Dudley 1894-9-1 s.n. Sierra Woods near Webber Lake. 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
  UC54304  Ribes cereum H. M. Hall and E. B. Babcock July, 1903 4516 Sierra Howard Creek Sierra Nevada Mountains 2133 Comment
  CAS-BOT-BC219257  Ribes nevadense Elmer I. Applegate 1921-9-7 s.n. Sierra Gold Lake 1981 Comment
  UC496458  Ribes nevadense Merle Randall 1930-6-26 Sierra Falls, Hawley Grade Lake Tahoe Region Comment
  JEPS49170  Ribes roezlii L. S. Smith 1926-4-12 1761 Sierra w end Rebel Ridge; Tahoe National Forest, Comptonville District 701 Comment
  RSA0018038  Ribes roezlii Robert Gustafson 1985-6-11 3151 Sierra Forest Service Road 12, ca 5 miles S from the junction of highway 49, Yuba Pass summit area. 2134 Comment
  CAS-BOT-BC186282  Ribes roezlii var. roezlii Alice Eastwood 1918-4-6 6768 Sierra Downieville Comment
  CAS-BOT-BC186284  Ribes roezlii var. roezlii L. S. Smith 1926-4-12 1761 Sierra Tahoe National Forest, Rebel Ridge, Camptonville District 701 Comment
  CAS-BOT-BC186285  Ribes roezlii var. roezlii H. Albert Barker 1926-7-3 47 Sierra Packer Lake 1981 Comment
  UC1127592  Ribes velutinum G. T. Nordstrom 1936-7-9 914 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  SEINET12220403  Ribes velutinum J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  SEINET5339822  Ribes velutinum P. A. Lehenbauer 1933-5-24 1630 Sierra [Sierra Nevada] Balls Canyon Comment
  JEPS125672  Rigiopappus leptocladus William Harnach 2013-5-17 1351 Sierra 0.75 miles south of Highway 49 on the Antelope Valley Road Comment
  UC354488  Rigiopappus leptocladus David D. Keck 1928-6-13 430 Sierra Newman Point Sierra Valley 1500 Comment
  UCD84129  Rorippa curvisiliqua Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  RSA8010  Rorippa curvisiliqua H. A. Barker 1927-8-15 43 Sierra Gold Lake. 1954 Comment
  CHSC54556  Rorippa curvisiliqua var. curvisiliqua Lowell Ahart 1991-7-22 6696 Sierra On the bottom of a drying stream, in French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 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
  CHSC94167  Rosa gymnocarpa Lowell Ahart 2006-6-21 12841 Sierra On the east side of the road, about 3 1/2 miles (by road) northwest of Forest. 1421 Comment
  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
  CHSC80969  Rosa woodsii subsp. ultramontana Lowell Ahart 2001-8-10 9095 Sierra On the north side of the Truckee River, about 100 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
  UC965553  Rotala ramosior Herbert L. Mason 1952-7-19 14454 Sierra 1.5 mi e of Calpine (at junction of Calpine with Sierraville-Beckwourth Road, Sierra Valley); Sierra Nevada, Sierra Valley 1524 Comment
  UCD91397  Rubus armeniacus Lindsay Clark 2008-5-27 DNV 1 Sierra Carlton Campground, 30 miles after the left turn at Nevada City on CA-49, 12 miles west of Downieville. Next to Yuba River, in sight of outhouse and roadway. 696 Comment
  UC66115  Rubus parviflorus P. B. Kennedy 1901-7-19 191 Sierra Canyon w Lincoln Valley; Canyon w of Lincoln Valley Comment
  SEINET7705862  Rubus parviflorus P. B. Kennedy 1901-7-19 191 Sierra Canyon West of Lincoln Valley Comment
  CAS-BOT-BC363220  Rudbeckia occidentalis Carl B. Wolf 1937-8-6 9051 Sierra Northern Sierra Nevada, No. Fork of Yuba River, 5 mi. above Downieville 1066 Comment
  RSA0035757  Rumex acetosella George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-5 20768 Sierra Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  SEINET4210935  Rumex acetosella H. Hamlin s.n. Sierra Sierra Valley, near Sierraville (Hamlin Ranch was west of Sierraville) Comment
  UCD101032  Rumex acetosella N. Hopkins Date Unknown 919 Sierra Ditch by Gold Lk. Rd. 1828 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
  CAS-BOT-BC434323  Rumex triangulivalvis John Thomas Howell 1962-6-18 37834 Sierra Sattley 1524 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
  CAS-BOT-BC132744  Salix arctica G. L. Smith 1961-7-20 1429 Sierra Slate Creek Canyon, betw. beginning of Conness Tr. and Carnegie Gardens Comment
  CAS-BOT-BC102842  Salix boothii L. S. Smith 1932-8-11 2660 A Sierra Tahoe National Forest, Babbit Spring 2133 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-BC102846  Salix boothii W. R. Dudley 1900-6-20 5398 Sierra Upper Valley - Little Truckee River Comment
  UC501407  Salix boothii L. S. Smith 1932-5-25 2660 Sierra Babbitt Spring; Tahoe Nat'l Forest, Jones Valley 2286 Comment
  HSC100745  Salix breweri Lowell Ahart 2010-9-15 17172 Sierra N edge of first pond, S side of road and W of the cabin at the spring, 2 3/4 (air) mi. N of Yuba Pass on Hwy. 49, 4 (air) mi. E of Haskell Peak. 2135 Comment
  CAS-BOT-BC103642  Salix eastwoodiae H. Albert Barker July 5 58 Sierra Summit Lake (largest) Comment
  CAS-BOT-BC103644  Salix eastwoodiae W. R. Dudley 1900-6-21 5417 Sierra West side of Webber Lake Comment
  CAS-BOT-BC103646  Salix eastwoodiae W. R. Dudley 1900-6-21 5406 Sierra north end of Webber Lake Comment
  RSA286283  Salix eastwoodiae Robert F. Thorne 1974-7-30 45047 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  UCD110822  Salix eastwoodiae Frederica Bowcutt 1994-7-22 1947 Sierra Sierra Nevada Mtns., Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  CAS-BOT-BC103759  Salix exigua D. E. Breedlove 1962-6-13 3521 Sierra along the Little Truckee River, 10.0 miles south of Sierraville on State Highway 89; Sierra Nevada 1950 Comment
  CAS-BOT-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
  UCD110807  Salix geyeriana R. O. Hanes 1992-9-28 91 Sierra Cottonwood Ck. 1889 Comment
  CAS-BOT-BC107659  Salix jepsonii Mrs. E. C. Sutliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  JEPS117450  Salix laevigata Lowell Ahart 2010-9-15 17187 Sierra On the northwest edge of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  CHSC113679  Salix lasiandra var. caudata L. P. Janeway 2014-5-28 11273 B 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-BC125434  Salix lasiandra var. lasiandra John Thomas Howell 1969-9-13 46107 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CAS-BOT-BC125435  Salix lasiandra var. lasiandra Alice Eastwood 1918-6-29 7921 Sierra Loyalton Comment
  CAS-BOT-BC125443  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-21 5478 Sierra Webber Lake to Sierraville, Sawmill [Canon] Canyon Comment
  CAS-BOT-BC124521  Salix lasiolepis var. lasiolepis Alice Eastwood 1918-4-6 6765 Sierra Downieville Comment
  CAS-BOT-BC124529  Salix lasiolepis var. lasiolepis Alice Eastwood 1918-4-6 6754 Sierra Downieville Comment
  CAS-BOT-BC124532  Salix lasiolepis var. lasiolepis Alice Eastwood 1918-4-6 6763 Sierra Downieville Comment
  CAS-BOT-BC124871  Salix lemmonii Gordon H. True 1971-9-7 7040 Sierra in Cold Stream Canyon ca. 3.5 miles south of Perazzo Meadows 2377 Comment
  CAS-BOT-BC124878  Salix lemmonii W. R. Dudley 1900-6-20 5411 Sierra West side of Webber Lake Comment
  CAS-BOT-BC124882  Salix lemmonii W. R. Dudley 1894-8-29 s.n. Sierra Shore of Webber Lake 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
  CHSC69908  Salix lemmonii L. P. Janeway; Eric Schroder 1997-8-20 5352 Sierra Tahoe National Forest. Church Meadows; about 1.5 mi east of Gold Lake. 2042 Comment
  RSA774124  Salix lemmonii L. Ahart 2010-9-15 17174 Sierra North edge of the first pond, South side of the road and west of the cabin, At the spring, about 2.75 air miles north of Yuba Pass on Hwy 49, about 4 air miles east of Haskell Peak 2135 Comment
  UCR106836  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
  CHSC13652  Salix lemmonii var. lemmonii E. L. Smith 1971-7-27 989 Sierra At Sierraville. 1508 Comment
  UC449848  Salix ligulifolia L. S. Smith 1931-5-22 8 Sierra along Little Truckee R. at crossing of road to Sierraville; Tahoe Nat'l Forest, Little Truckee R. 1828 Comment
  RSA8054  Salix lucida subsp. lasiandra H. A. Barker 1927-6-28 s.n. Sierra Gold Lake. 1951 Comment
  CAS-BOT-BC126137  Salix scouleriana Alice Eastwood 1918-4-6 6755 Sierra Downieville Comment
  CAS-BOT-BC126141  Salix scouleriana W. R. Dudley 1900-6-21 5521 Sierra Several miles below Sierraville Comment
  CHSC45530  Sambucus mexicana L. P. Janeway 1984-8-18 1003 Sierra At edge of large glaciated granite outcropping near second switchback (towards southeast) down form Packers Saddle. 1981 Comment
  CHSC53037  Sambucus mexicana L. P. Janeway 1989-8-22 3626 Sierra Midslope, NE-facing, between ridge and Hwy 89; near Sulphur Cr, ca 3 mi I of Haskell Pk. 1920 Comment
  CAS-BOT-BC238872  Sambucus nigra subsp. caerulea Alice Eastwood 1918-6-29 7829 Sierra Loyalton Comment
  JEPS124614 Image available Sambucus nigra subsp. caerulea P. L. Billings 1965-6-6 26 Sierra Collected near HW 89 2.6 miles from Sierraville intersection of HW 49 and 89. Comment
  CDA17273  Sanguisorba annua G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16300 Sierra Sierra Nevada; Sierra Valley: Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. 1645 Comment
  SEINET10770917 Image available Sanguisorba annua Barbara J. Ertter 1987-6-12 Ertter 7093 Sierra Hwy 49 on E side Sierra Valley between Sierraville and Loyalton, S foot of Newman Point on Rice Hill, E side of road. T21N R14E. 1524 Comment
  JEPS125686  Sanicula bipinnatifida William Harnach 2013-4-25 1311 Sierra !.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  CHSC94149  Sanicula bipinnatifida var. flava Lowell Ahart 2006-6-21 12817 Sierra On the north side of the Foote Road, about 2.7 miles (by road) southwest of Alleghany. 1103 Comment
  UC334427  Sanicula graveolens J. G. Lemmon 875 Sierra between Loyalton and Purdy's Comment
  CHSC45885  Sanicula tuberosa Lowell Ahart 1972-4-28 95 Sierra Near Slate Creek, about 10 air miles south of La Porte. 914 Comment
  CAS-BOT-BC466230  Sarcodes sanguinea H. C. Cantelow 1938-7-4 s.n. Sierra Meadow Valley Inn Comment
  POM148086  Sarcodes sanguinea George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  UCD117992  Sarcodes sanguinea James F. Arthur 1966-5-14 68 Sierra State Highway 49, 12 miles northeast of Sierra City, on Yuba Summit before entering Sierra Valley. 2133 Comment
  RSA8065  Saxifraga bryophora H. A. Barker 1927-7-28 834 Sierra Above Suake Lake. 2134 Comment
  UC54293  Saxifraga odontoloma H. M. Hall and E. B. Babcock July, 1903 4483 Sierra North Fork of North Fork of Yuba River (above Summit House, Yuba Pass); Sierra Nevada Mountains, , Yuba Pass 1981 Comment
  UC1368480  Saxifraga oregana R. K. Gierisch and D. H. Esplin 1969-6-25 3498 Sierra Anderson Meadow; Tahoe National Forest, Anderson Meadow 1950 Comment
  JEPS124679 Image available Schoenoplectus acutus var. occidentalis J. Yamanaka 1965-7-6 103 Sierra 1.4 mile from junction Beckworth Rd. and Hw 89 at Sattley. Comment
  CAS-BOT-BC35583  Scirpus congdonii Gladys L. Smith 1959-6-19 1220 Sierra Lower Sardine Lake 1828 Comment
  CAS-BOT-BC35597  Scirpus congdonii D. H. Esplin; R. K. Gierisch 1968-10-2 21 Sierra Tahoe National Forest, Cold Creek Campground 1584 Comment
  SJSU10215  Scirpus congdonii C. W. Sharsmith 1983-6-8 8796 Sierra midway between Marvin Ranch & Scales 1341 Comment
  CAS-BOT-BC111089  Scirpus microcarpus Lewis Samuel Rose 1934-7-17 34383 Sierra Meadow W. of Gold Lake 2133 Comment
  SEINET9225502  Scirpus microcarpus W. Harnach, N. Harnach 1991-7-4 618 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch (the fenced bog hole) 1512 Comment
  CAS-BOT-BC111088  Scirpus microcarpus Gladys L. Smith 1959-6-19 1223 Sierra Lower Sardine Lake. 1828 Comment
  SJSU13953  Scirpus microcarpus N. A. Hopkins 1984-8-4 1226 Sierra 1 mi SW Calpine, Sierra Valley 152 Comment
  SEINET13751457  Scrophularia desertorum W. Harnach, N. Harnach 1990-5-28 329 Sierra Sierra Valley, W of Loyalton, Balderson Ranch, Antelope Valley. 1554 Comment
  SEINET13751011  Scrophularia desertorum P. A. Lehenbauer 1937-6-8 91 Sierra [Sierra Nevada] 25 miles West of Reno, Nevada on Truckee river, at Iceland, South side of river by falls 1676 Comment
  UC1523373 Image available Scutellaria antirrhinoides J. G. Lemmon September 1874 Sierra Comment
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Dec 29 2006
  RSA755623  Scutellaria californica George K. Helmkamp, E. A. Helmkamp 2009-5-28 14866 Sierra above the Yuba River along CA-49, 2.3 miles north of the Yuba Co. line 851 Comment
  CAS-BOT-BC240072  Secale cereale Catherine Best 1980-6-13 s.n. Sierra Sierra Valley 2 mi north of Sattley on Hwy A23 Comment
  UCD149505  Sedum G. L. Stebbins 1970-7-4 7033 Sierra Fiddle Creek Canyon, northeast of Indian Valley. (Exact location unknown. Coordinates estimated by label maker.) 1036 Comment
  JEPS87649  Sedum laxum subsp. laxum Lowell Ahart 1994-7-1 7437 Sierra about 1 1/2 mi ne Middlewaters (s of the larger pond, slope on n side Henness Pass Road at Keystone Gap, e of Keystone Mountain, about 11 mi (air) ne of Alleghany); e of Keystone Mountain, ne of Middlewaters, Keystone Gap 1889 Comment
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Oct 29 2020
  JEPS125655  Sedum obtusatum William Harnach 2013-7-27 1378 Sierra 3.25 miles south of the Jackson Meadows Road on the Meadow Lake Road (south of Webber Lake). Comment
  SJSU4993  Sedum obtusatum N. A. Hopkins 1968-7-5 161 Sierra 0.5 mi W of Packer L 2103 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-BC363253  Senecio W. R. Dudley 1894-8-29 s.n. Sierra Near Webber Lake Comment
  UC1299448  Senecio aronicoides Freed W. Hoffman 1946-7-13 676 Sierra Yuba Pass summit Sierra Nevada Comment
  CAS-BOT-BC363800  Senecio integerrimus D. E. Breedlove 1962-6-13 3481 Sierra Along State Highway 89, 10.7 miles north of Sierraville 1615 Comment
  CAS-BOT-BC363803  Senecio integerrimus Jean L. Pawek 1956-5-21 59 Sierra Highway 49 1219 Comment
  UCR54279  Senecio integerrimus B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0948 Sierra Sierra Nevada Mtns., Plumas National Forest, Gold Lake, near the boat ramp 1960 Comment
  CHSC94223  Senecio integerrimus var. major Lowell Ahart 2006-6-28 12866 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  HSC96991  Senecio integerrimus var. major L. Ahart 2006-6-28 12866 Sierra 3/4 mi. E of Lake Delahunty, 2 mi. NE of Gibsonville 1784 Comment
  JEPS88150  Senecio scorzonella Vernon H. Oswald and Lowell Ahart 1996-8-19 8192 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just s road to Lincoln Valley; northern High Sierra Nevada 2255 Comment
  CAS-BOT-BC364158  Senecio serra Gordon H. True; John Thomas Howell 1967-8-19 4028 Sierra Independence Creek, ca. 1 mile south of Little Truckee River on Independence Lake Road 1981 Comment
  JEPS37282  Senecio serra var. serra W. L. Jepson 1896-8-26 Sierra w of Reno, Nevada; Dog Valley 1828 Comment
  UC53869  Senecio serra var. serra H. M. Hall and E. B. Babcock July 1903 4481 Sierra Sierraville Sierra Nevada Moutains, Sierraville 1524 Comment
  CHSC92032  Senecio triangularis Lowell Ahart 2005-8-30 12338 Sierra On a gravel bar along the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2032 Comment
  JEPS85203  Senecio triangularis Roy E. Buck, Steven Lee, Eric Smith, Andrea Gargas, et al. 1986-8-3 552 Sierra ca 4.7 air km sse Yuba Pass (near watercourse in meadow, upper Lincoln Meadow complex); Lincoln Meadow 2225 Comment
  UC477569  Senecio triangularis Leland S. Smith 1931-8-3 2622 Sierra Yuba Pass Road Tahoe National Forest, Camp Pioneer (Camp Pioneer) Comment
  CAS-BOT-BC364534  Senecio vulgaris W. Harnach; N. Harnach 1990-10-23 534 Sierra Sierra Valley. East side of Loyalton swimming pool building 1504 Comment
  CHSC73433  Sibbaldia procumbens B. Castro; L. Gehrung, H. Durio 1995-9-14 623 Sierra Mt. Fillmore Mdws A and 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 midslope terrace of mtn, feeding Pearson Ravine via springs and cascades. In westernmost mdw, and meadow to the NE. 2103 Comment
  SJSU14253  Sidalcea asprella N. A. Hopkins 1989-7-1 1547 Sierra between Yuba Pass & Webber L c. 7-8 mi S of Yuba Pass 2316 Comment
  JEPS113913  Sidalcea gigantea Dean W. Taylor 2001-8-2 17889 Sierra bog on the north side of Forest Road 20N35 about 0.5 miles East of the intersection with County Road 690 (ca. 1 air mile NE of Union Hill, Goodyear's Bar 71/2 USGS quadrangle 1341 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
  CHSC43308  Sidalcea oregana subsp. spicata Lowell Ahart 1975-8-17 940 Sierra On a gravel bar near Pass Creek, in French Meadows, about 3 miles west and 1/2 mile south of Webber Lake. 2133 Comment
  RSA796047  Sidalcea oregana subsp. spicata L. Ahart 2011-9-23 17703 Sierra 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 air miles northwest of Webber Lake. 2017 Comment
  UC66102  Sidalcea oregana subsp. spicata P. B. Kennedy and S. B. Doten 1901-7-5 109 Sierra Webber Lake Comment
  CHSC37232  Silene antirrhina L. Ahart 1982-7-28 3689 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC80943  Silene bernardina Lowell Ahart 2001-8-10 9102 Sierra Base of a steep bluff, about 200 feet southwest of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 150 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  SEINET10537665  Silene bernardina var. sierrae Lowell Ahart 1991-7-29 Ahart 6701 Sierra On the west side of Negro Creek, west of Burlington, about 1 mile northeast of Harris Meadow, about 1 1/4 miles northeast of Granite Mountain. Red Fir Forest. T19N R11E NS11. 1829 Comment
  CHSC20596  Silene douglasii Robert A. Schlising 1964-7-11 2736 Sierra Sierra Nevada. Gold Creek Road, NE of Sierra City, at campsite on Packer Lake Road. Comment
  CAS-BOT-BC387053  Silene douglasii Gladys L. Smith 1959-6-20 1252 Sierra On Gold lake to Feather River route. PLumas-Sierra County line. 1828 Comment
  SJSU14272  Silene douglasii var. douglasii N. A. Hopkins 1989-8-6 1570 Sierra on Deadmans Peak 1981 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
  CAS-BOT-BC178683  Silene invisa Lowell Ahart 1977-7-15 s.n. Sierra Found on the north side of Mt. Fillmore, about 10 miels northeast of La Porte 2000 Comment
  CHSC40986  Silene lemmonii J. D. Jokerst 1984-7-23 2117 Sierra Around edges of meadow, Ca. 3.5 mi. E of Sierra City, ca. 200 ft. N of Haypress Cr. 1767 Comment
  CAS-BOT-BC389279  Silene lemmonii Gordon H. True 1966-4-28 2761 Sierra South Yuba River at head of Excelsior Ditch about 1 1/2 miles east of Hiway 49 bridge 579 Comment
  NY342633  Silene lemmonii J. G. Lemmon 1874-1 18 Sierra Comment
  SEINET11944397  Silene lemmonii J. G. Lemmon 1874-1 18 Sierra Comment
  SEINET8879723  Silene lemmonii S. B. Doten 1901-1 s.n. Sierra Webber Lake. Comment
  SJSU11979  Silene lemmonii N. A. Hopkins 1979-7-9 964 Sierra c. 8 mi NW of Sattley 1524 Comment
  CAS-BOT-BC383092  Silene nuda Andrew Townesmith; Karen M. Meyer 2007-7-16 819 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 5.7 miles east of junction with county road 860. At pull out for Kyburz Marsh Wildlife Viewing Area 1931 Comment
  CAS-BOT-BC389541  Silene nuda W. Harnach; N. Harnach 1989-6-27 188 Sierra Sierra Valley. Calpine Ranch (home) 1502 Comment
  UC1137895  Silene nuda G. T. Nordstrom 1936-7-23 953 Sierra 2 1/2 mi s Purdy; Sierra National Forest, Sierraville Quadrangle Comment
  UC120168  Silene nuda J. G. Lemmon 1875-1 33 Sierra Comment
  UC120217  Silene oregana J. G. Lemmon and wife 1875-1 35 Sierra Comment
  NY342645  Silene pectinata J. G. Lemmon 1874-1 1077 Sierra Sierra Valley Comment
  UC477527  Smilacina stellata L. F. Smith 1931-5-31 2551 1/2 Sierra Cottonwood Springs Sierravile Dist. (along road) Comment
  SJSU12191  Solanum parishii N. A. Hopkins 1983-8-30 1180 Sierra by Pacific Crest Trail c. 1 mi N of Packer Saddle 2194 Comment
  UCD15310  Solanum triflorum A. M. Shapiro 1997-8-28 s.n. Sierra California, Sierra Co.; Sierraville; 1508 Comment
  CDA5977  Solanum triflorum F. H. Surber 1976-9-16 Sierra Bruce Miles property, Loyalton. 0 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-BC364890  Solidago W. Harnach; N. Harnach 1990-8-17 509 Sierra Sierra Valley. Strang Ranch (Elvers back 80) 1524 Comment
  SEINET11802170  Solidago californica var. nevadensis J. G. Lemmon 1874-1 692 Sierra Sierra Co. &c Comment
  CAS-BOT-BC365548  Solidago elongata Mrs. E. C. Sutliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC365549  Solidago elongata George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC365550  Solidago elongata H. Albert Barker 1926-7-16 128 Sierra Gold Lake - First Island 1955 Comment
  CHSC52925  Solidago elongata L. P. Janeway 1989-8-16 3590 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. Meadow. 2133 Comment
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Jun 25 2008
  HSC93319  Solidago elongata Vernon H. Oswald, L. Ahart 1996-8-19 8237 Sierra Forest Rte. 07 E of Webber Lake, 0.5 mi. E of the road to Lake of the Woods; Northern High Sierra Nevada 2043 Comment
  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
  UCD19565  Solidago elongata Gerald Dickinson 1963-7-19 113 Sierra Portola Road in Sattley, on Hwy. 49. 1524 Comment
  CHSC80932  Solidago spectabilis Lowell Ahart 2001-8-10 9070 Sierra Meadow, on the east side of Hobart Mills Road, about 100 feet southwest of the power pole, about 1 mile (air) south of Stampede Reservoir. 1798 Comment
  JEPS32383  Solidago spectabilis W. L. Jepson 1934-8-7 16868 Sierra Cold Creek near Sierraville Comment
  SJSU13904  Solidago spectabilis N. A. Hopkins 1986-9-23 1384 Sierra Hwy 89 on SW side Sierra Valley 1524 Comment
  SJSU12244  Solidago velutina subsp. californica N. A. Hopkins 1982-9-23 1118 Sierra c. 1.5 mi SW of Calpine 1524 Comment
  CAS-BOT-BC157216  Sorbus californica Elmer I. Applegate 1921-9-7 3374 Sierra Gold Lake 1981 Comment
  SEINET11919087  Sorbus californica J. G. Lemmon 73 Sierra Sierra Co & C Comment
  RSA246606  Sparganium angustifolium Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42363 Sierra Plumas National Forest: Shallow water of Snag Lake. 2058 Comment
  RSA252497  Sparganium angustifolium Robert F. Thorne, C. W. Tilforth 1969-9-6 39192 Sierra Just E of Highway from Snag Lake (SE of Gold Lake). 1951 Comment
  SCFS5083  Sparganium simplex Michael D. Fleschner 1965-7-6 1965 -90 Sierra 1.2 miles from Sattley on the Sattley Calpine road, the drainage ditch in pasture 100 yards east of road 1524 Comment
  CAS-BOT-BC390710  Spergularia rubra Lowell Ahart 1983-10-27 4485 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
  SEINET10537504  Spergularia rubra Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4485 Sierra Near a dirt road that is ca. 2 mi se of Jackson Meadow Reservoir, ca. 1 mi s of Pass Creek, near Jackson Meadow Reservoir. Red Fir Forest; 2200 m. 2200 Comment
  CHSC92110  Sphenosciadium capitellatum Lowell Ahart 2005-8-30 12337 Sierra On damp soil, on the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber lake. 2032 Comment
  JEPS107589  Sphenosciadium capitellatum Lowell Ahart 2005-8-30 12337 Sierra On damp soil, on the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber lake 2032 Comment
  JEPS14631  Sphenosciadium capitellatum L. Constance, R. Bacigalupi, and E. Nasir 1953-9-9 3473 Sierra 4 mi s Webber (between Webber and Meadow Lakes) 2133 Comment
  CHSC43456  Spiraea densiflora Lowell Ahart 1975-8-17 930 Sierra South of French Meadows, about 3 miles west and 1/2 mile south of Webber Lake. On mountain side. 2133 Comment
  CAS-BOT-BC152548  Spiraea splendens P. C. Everett; E. K. Balls 1954-10-8 20252 Sierra E. shore Gold Lake, n. of Bassetts - Sierra Nevada 2011 Comment
  UCSB27047  Spiraea splendens Wilken, Dieter 1969-7-24 Sierra Salmon Creek; 2 miles north of California State Highway 49; along road to Graeagle, Sierra Buttes 1981 Comment
  UC1609206  Stellaria calycantha Lowell Ahart 1993-9-10 7198 Sierra about 1 mi sw Gibsonville to Johnsville dirt road (on n side of Mount Fillmore, at end of poor dirt road, about 100 yds sw of the stream); Mount Fillmore 2133 Comment
  CAS-BOT-BC391213  Stellaria longipes subsp. longipes George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC375013  Stenotus acaulis Gordon H. True 1967-7-31 3676 Sierra Verdi Peak Road ca. 1.5 miles below summit 2438 Comment
  SEINET8584747 Image available Stephanomeria lactucina W. Harnach 2012-7-30 1256 Sierra Approx 1 mile south of Forest Road 09, on Road 0913. 1.5 air miles SE of Haskell Peak, Tahoe National Forest. 1964 Comment
  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
  UCD102199  Stephanomeria lactucina Daniel Sanchez-Mata; Tomas Santamaria 2008-8-6 s.n. Sierra Forest City. Banner Mine Road. 1980 Comment
  RSA126589  Stephanomeria spinosa G. T. Nordstrom 1936-7-23 957 Sierra 2 miles SW of Purdy. 1616 Comment
  RSA128548  Stephanomeria spinosa N. A. Overgaard, T. C. Fuller 1959-7-2 2720 Sierra Alex Guidici ranch, Loyalton Comment
  CAS-BOT-BC322910  Stephanomeria tenuifolia John Thomas Howell; Gordon H. True 1970-7-14 5545 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  SEINET10508388  Stipa californica Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4468 Sierra Ca. 2 mi nw of Milton Reservoir, near Jackson Meadow Reservoir. Red Fir Forest; 2000 m. 2000 Comment
  SEINET8076875  Stipa exigua P. A. Lehenbauer 1937-6-8 57 Sierra 25 miles W of Reno, Nevada, on Truckee River at Iceland, S side of river, near falls. 1676 Comment
  SEINET10603850  Stipa lemmonii S. B. Dottori 1901-6-16 Dottori 49 Sierra Sierra Valle. Comment
  JEPS98601  Streptanthus polygaloides Lowell Ahart 2000-6-15 8474 Sierra 3 mi (air) NW of Alleghany (around the monument, int. of Mountain House Road and Henness Pass Road, 2 mi (air) NW of Forest) 1463 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-BC87424  Streptanthus polygaloides Lowell Ahart 1978-6-4 s.n. Sierra 5 miles south of Alleghany. 1300 Comment
  JEPS124530 Image available Streptanthus polygaloides Reinhard Jockel 1969-6-27 10 Sierra Turnoff on highway 49. On serpentine near Goodyears Bars. Comment
  SEINET8665925  Streptanthus purpureus W. Harnach 2013-4-25 1314 Sierra 1.6 miles W of Goodyears Bar on Hwy 49, N of the Ramshorn campground. 872 Comment
  CAS-BOT-BC87827  Streptanthus tortuosus Catherine Best 1983-8-29 863 Sierra Sierra Nevada. Growing on the road above Packers Lake. 1950 Comment
  CAS-BOT-BC87835  Streptanthus tortuosus H. Albert Barker 1926-7-3 31 Sierra Packer Lake. 1981 Comment
  SEINET12006996  Streptanthus tortuosus J. G. Lemmon 1874-1 10 Sierra Sierra Co., &c Comment
  HSC96842  Streptanthus tortuosus var. suffrutescens L. Ahart 2006-6-28 12895 Sierra NW side of dirt road from Gibsonville to Johnsville, 200 yds. NE of the camp and road to Howland Flat, less than 0.5 mi. NE of Lake Delahunty, 1.75 mi. NE of Gibsonville 1902 Comment
  UC174108  Swertia albicaulis var. nitida J. G. Lemmon 1874-1 Sierra Comment
  UC1119981  Symphoricarpos mollis C. G. Albertus 1935-9-24 287 Sierra 4.5 mi ese Sulphur Springs; Tahoe National Forest, Sierraville Quad. 1981 Comment
  SEINET8071530  Symphoricarpos oreophilus P. B. Kennedy, S. B. Doten 1901-7-8 110 Sierra Webber Lake. Comment
  CAS-BOT-BC97505  Symphyotrichum ascendens L. P. Janeway 1992-8-30 4298 Sierra Blue Nose Mtn quad. McRae Meadow; upper end of East Nelson Creek 1889 Comment
  CAS-BOT-BC97574  Symphyotrichum ascendens C. Best 1983-8-29 890 Sierra along Hwy 49 just west of the Yuba Summit 2042 Comment
  UC1999914  Symphyotrichum ascendens J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-13 9320 Sierra Yuba Pass Road, Forest Rd-412; about 4 km Nichols Mill Road. 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-BC98474  Symphyotrichum spathulatum James Jokerst 1985-7-22 2527 Sierra Near Carman Creek - Calpine Quad. 901 Comment
  UC29879  Symphyotrichum spathulatum C. T. Blake 1890-1-1 Sierra Webber Lake Comment
  UC86843  Symphyotrichum spathulatum J. G. Lemmon 1875-1 127 Sierra Comment
  UC86906  Symphyotrichum spathulatum J. G. Lemmon 1872-1 2906 Sierra Weber Lake Sierra Valley Comment
  CHSC105553  Symphyotrichum spathulatum var. spathulatum Lowell Ahart 2010-9-15 17155 Sierra About 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  SEINET13276724 Image available Symphyotrichum spathulatum var. spathulatum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-1 19494 Sierra Northern Sierra Nevada mountains: Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir (Boca 7.5' Q.) 1769 Comment
  RSA170316  Taeniatherum caput-medusae P. C. Martinelli 1963-6-25 s.n. Sierra South side of road to Dog Valley, ca. 1 mile NW of Verdi, Washoe County, Nevada. Comment
  UCD86181  Taeniatherum caput-medusae P. C. Martinelli 1963-6-25 s.n. Sierra South side of road to Dog Valley, ca. 1 mi. n.w. of Verdi, Washoe Co., Nevada. Comment
  CAS-BOT-BC376795  Tanacetum parthenium Forest Sheehan 1970-1-1 s.n. Sierra Scales, Rose Ranch. [Ca. 1/2 mi. W. of Union Hill, Strawberry Valley Quad.] 1295 Comment
  CAS-BOT-BC376796  Tanacetum parthenium Catherine Best 1981-6-19 s.n. Sierra Herringtons, Sierra City Comment
  RSA0049901  Taraxacum officinale George K. Helmkamp, E. A. Helmkamp 2011-6-9 17546 Sierra 5.9 miles north of Camptonville along CA-49, about 1.2 miles northeast of the Yuba Co. line 899 Comment
  CDA11880  Taraxia tanacetifolia G. F. Hrusa, J. Jokerst 1991-7-5 8541 A Sierra Sierra Valley Region; in bottom of Antelope Valley. Comment
  UCD107053  Taraxia tanacetifolia Gerald Dickinson 1963-6-19 7 Sierra Portola Road, 1.2 miles north of Sattley. 1676 Comment
  CDA37989  Taraxia tanacetifolia T. C. Fuller 1962-6-14 9010 Sierra Highway 49 to Sierraville, 0.6 mile west of Loyalton. 0 Comment
  JEPS125694  Tellima grandiflora William Harnach 2013-5-1 1334 Sierra Goodyears Bar. 1.14 miles South of Highway 49 on Mountain House Road. Comment
  UCD13195  Tellima grandiflora Orlando Mistretta 1976-5-15 18 Sierra 5.5 miles N of Comptonville along Hwy. 49. 914 Comment
  UC854451  Thalictrum fendleri Lewis S. Rose 1934-7-14 34362 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC399688  Thalictrum fendleri L. S. Smith 1927-7-1 s.n. Sierra Gold Lake Comment
  POM308868  Thalictrum fendleri Betty J. Jorgensen 1944-6-22 478 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  RSA7992  Thalictrum fendleri H. A. Barker 1927-6-24 731 Sierra Packer Lake. 2012 Comment
  CAS-BOT-BC88055  Thelypodium crispum A. A. Heller; P. B. Kennedy 1907-7-1 8671 Sierra Purdy. Comment
  CAS-BOT-BC88059  Thelypodium crispum Alice Eastwood 1918-6-29 7858 Sierra Loyalton. Comment
  JEPS124756 Image available Thelypodium crispum Reinhard Jockel 1969-7-3 35 Sierra In meadow by Kyburz Marsh 2 miles E. of highway 89, a few miles N. of Little Truckee bridge. Comment
  SD9916  Thelypteris nevadensis Mrs. R. M. Austin, George E. Davenport 1875-1 Sierra Sierra Valley [county a guess] Comment
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Jul 11 2010
  SJSU4155  Thlaspi arvense C. W. Sharsmith & W. Savage 1967-5-20 7527 Sierra 3 mi W of Loyalton, Sierra Valley 1508 Comment
  SJSU6447  Thlaspi arvense N. A. Hopkins 1971-6-19 411 Sierra ENE of Sattley, Sierra Valley 1524 Comment
  CAS-BOT-BC88144  Thlaspi arvense Valerie Ziemba 1981-5-17 039 Sierra 1 mile east of Sierraville off Route 49 on dirt road to Bear Valley. Comment
  CHSC94169  Thlaspi montanum var. montanum Lowell Ahart 2006-6-21 12851 Sierra About 30 yards east of Lucky Dog Creek, about 100 yards west of the road, about 2 1/2 miles (by road) west of Forest. 1397 Comment
  JEPS110052  Thlaspi montanum var. montanum Lowell Ahart 2006-6-21 12851 Sierra About 30 yards east of Lucky Dog Creek, about 100 yards west of the road, about 2 1/2 miles (by road) west of Forest 1397 Comment
  RSA0066131  Thlaspi montanum var. montanum L. Ahart 2006-6-21 12851 Sierra About 30 yards east of Lucky Dog Creek, about 100 yards west of the road, about 2 1/2 miles (by road) west of Forest. 1398 Comment
  CHSC43817  Thysanocarpus curvipes Lowell Ahart 1978-6-4 1760 Sierra On the cutbank along the Foote Road, about 4 miles south of Alleghany. 1280 Comment
  RSA95509  Tofieldia glutinosa subsp. occidentalis J. T. Howell 1951-8-21 28270 Sierra Yuba Pass. 2043 Comment
  JEPS123988  Torilis arvensis subsp. purpurea Lowell Ahart 2015-5-9 20157 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  UCD39225  Toxicoscordion paniculatum Beecher Crampton 1954-5-10 1859 Sierra 2.5 miles west of Sattley. 1676 Comment
  UCSB13452  Toxicoscordion venenosum Breedlove, Dennis 1962-6-13 Sierra along State Highway 89, 9.3 miles north of Sierraville 1524 Comment
  UCR257843  Tragopogon dubius George K. Helmka