Search Results — 2000 specimen records retrieved (1312 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
  SEINET7884285 Image available Abies magnifica P. A. Lehenbauer 1936-1 s.n. Sierra Gold Lake 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-BC331039  Acer glabrum var. glabrum George Haley 1927-8-6 s.n. Sierra Webber Lake 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
  SEINET7894006  Acer macrophyllum D. A. Buck 1959-5-2 24 Sierra Along State Highway 49, one mile N of Sierraville. 1280 Comment
  CAS-BOT-BC28863  Achillea millefolium Alice Eastwood 1918-6-29 7911 Sierra Loyalton Comment
  UCSB27163  Achillea millefolium Wilken, Dieter 1969-7-24 Sierra Salmon Creek, 2 miles north of California State Highway 49, along road to Graeagle, Sierra Buttes, Sierra Nevada 1981 Comment
  CAS-BOT-BC28861  Achillea millefolium Mrs. H. C. Cantelow 1938-7-2 s.n. Sierra 4.5 miles NW of Calpine Comment
  JEPS124639 Image available Achillea millefolium Dixie Funnell 1965-7-6 101 Sierra 3/4 mile from highway 89 on the Satler Junction. Comment
  CAS-BOT-BC210713  Achnatherum lemmonii David D. Keck 1944-7-8 5409 Sierra Sierra Valley, 1.5 miles N. of Sattley on Feather River road 1524 Comment
  CDA9343  Achnatherum lemmonii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .319 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 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
  SEINET206456 Image available Achnatherum lemmonii R. Bacigalupi, LR Heckard 1962-5-27 8479 Sierra On slopes just S of (2 mi) Sierraville at edge of floor of Sierra Valley 1615 Comment
  UC718002  Achnatherum lemmonii David D. Keck 1944-7-8 5409 Sierra 1.5 mi n on Feather River road Sattley; Sierra Nevada, Sierra Valley 1524 Comment
  CAS-BOT-BC216914  Achnatherum occidentale David D. Keck 1944-7-8 5407 Sierra E side of Yuba Pass, near base, 2 miles NW of Sattley 1615 Comment
  CAS-BOT-BC210861  Achnatherum occidentale subsp. californicum P. B. Kennedy 1901-7-23 215 Sierra Near Lincoln Valley Comment
  SEINET256105  Achnatherum occidentale subsp. californicum Mary E. Barkworth, LR Firestone 1982-8-21 4018 Sierra About 5 mi W of Webber Lake 2015 Comment
  CAS-BOT-BC210859  Achnatherum occidentale subsp. californicum Lowell Ahart 1978-9-26 s.n. Sierra Mt. Fillmore 2200 Comment
  UC717976  Achnatherum occidentale subsp. occidentale David D. Keck 1944-7-8 5407 Sierra 2 mi nw Sattley (e side of Yuba Pass, near base); Sierra Nevada 1615 Comment
  UC1594674  Achnatherum stillmanii Lowell Ahart 1992-7-17 6787 Sierra logging roads 2 air mi e Quartz Point (6 air mi se of Downieville) 1706 Comment
  SEINET5327492  Acmispon americanus var. americanus W. Harnach, N. Harnach 1989-6-21 160 Sierra Sierra Valley; E of Calpine on Calpine Road, Calpine Ranch (home) 1506 Comment
  UCD104297  Acmispon parviflorus A. H. Frederick 1925-6-1 1 Sierra Downieville -- Behind Morse's. Comment
  CHSC45411  Aconitum columbianum Lowell Ahart 1975-8-17 944 Sierra In a meadow, south of Jones Valley, about 3 miles west and 2 miles south of Webber Lake. 2286 Comment
  CAS-BOT-BC391500  Aconitum columbianum subsp. columbianum Lewis S. Rose 1934-7-14 34364 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC391501  Aconitum columbianum subsp. columbianum W. Harnach; N. Harnach 1989-6-24 175 Sierra Sierra Valley. Martinetti Ranch (Elvers) 1517 Comment
  CHSC57306  Aconogonon davisiae L. P. Janeway 1984-8-11 983 Sierra Northwest of Sierra Buttes. 2316 Comment
  CHSC53040  Aconogonon phytolaccifolium L. P. Janeway 1989-7-28 3539 Sierra Plumas National Forest. Beckwourth Ranger District. NE-facing slopes of Haskell Pk overlooking hwy 89 and Sulphur Creek. Along edges of mdw border of Alnus tenuifolia. 2164 Comment
  SEINET8664009  Actaea rubra W. Harnach, N. Harnach 1989-5-13 088 Sierra 0.5 miles S of Sattley, Sierra Valley, Martinetti Ranch (Elvers). 1518 Comment
  SEINET8664150  Actaea rubra S. B. Doten 1901-7-5 102 Sierra Little Truckee River below Webber Lake. Comment
  CHSC52029  Agastache urticifolia L. P. Janeway 1989-7-28 3538 Sierra Plumas National Forest. Slopes between Haskell Pk and hwy 89/ Sulfur Cr. 2164 Comment
  SEINET7940404  Agastache urticifolia B. Hildebrand 1946-6-15 H- 59 Sierra Two miles W of Calpine. 1524 Comment
  SJSU12204  Agastache urticifolia N. A. Hopkins 1984-7-22 1212 Sierra 0.25 mi E of Robinsons Cow Camp 2011 Comment
  UC336471  Ageratina occidentalis unknown 1890-10-1 Sierra Webber Lake Comment
  UC572366  Ageratina occidentalis G. T. Nordstrom 1936-7-14 942 Sierra 1.2 mi n Dog Valley; Sierraville Quadrangle 1920 Comment
  UC86231  Ageratina occidentalis J. G. Lemmon 1874-1 96 Sierra Comment
  CAS-BOT-BC29516  Agoseris W. R. Dudley 1894-9-1 s.n. Sierra Near Webber Lake Comment
  UC63092  Agoseris X dasycarpa H. M. Hall and E. B. Babcock 1903-7-1 4467 Sierra Sierra Valley Sierra Nevada Mountains, Sierra Valley 1524 Comment
  RSA151651  Agoseris glauca var. dasycephala Rimo Bacigalupi 1953-7-8 4284 Sierra Along road to Beckwourth, from Calpine, Sierra Valley 1463 Comment
  CAS-BOT-BC15458  Agoseris glauca var. glauca D. E. Breedlove 1962-6-13 3504 Sierra 1.5 miles north of Sierraville on State Hwy. 89 1524 Comment
  RSA416473  Agoseris grandiflora Rockwell 1925-7-1 s.n. Sierra Near Downieville Comment
  UC53899  Agoseris grandiflora var. grandiflora H. M. Hall and E. B. Babcock 1903-7-1 4468 Sierra Sierra Valley Sierra Nevada Mountains, Sierra Valley 1524 Comment
  CAS-BOT-BC15347  Agoseris heterophylla Alice Eastwood 1918-6-29 7853 Sierra Loyalton 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
  SEINET11855014  Agoseris heterophylla J. G. Lemmon 1874-1 133 Sierra Comment
  JEPS36263  Agoseris heterophylla var. heterophylla L. S. Smith 1927-5-30 2066 Sierra sec 5 and 4 east side Sierra Valley Comment
  CAS-BOT-BC13332  Agoseris retrorsa Clare B. Hardham 1961-5-15 7416 Sierra Yuba Pass Comment
  CAS-BOT-BC110757  Agropyron cristatum T. C. Fuller 1963-7-17 10933 Sierra Bottomland of South Branch of Dog Valley Creek, 1 mile northwest of Verdi. Comment
  SEINET5335843  Agropyron trachycaulum var. trachycaulum W. D. Billings 1951-7-8 2123 Sierra N of Webber Lake. Comment
  CHSC108088  Agrostis exarata Lowell Ahart 2011-9-23 17712 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
  HSC47817  Agrostis exarata Michael A. Watkins 1978-9-20 130 Sierra Foothills of the Sierra Nevada Mtns., 10 mi. NW of Johnsville on property of the Cowell Mine Comment
  JEPS75588  Agrostis exarata W. L. Jepson 1934-8-3 16820 Sierra 2 mi e Bassett sta. (canyon bottom); North Fork Yuba River, Pioneer sta. 1706 Comment
  UCD52293  Agrostis exarata A. A. Beetle 1944-8-17 3042 Sierra near summit of Yuba Pass. 1935 Comment
  UCD52519  Agrostis exarata A. A. Beetle 1944-8-17 3055 Sierra north fork of Yuba River, 8 miles below Downieville. Comment
  SJSU12261  Agrostis humilis N. A. Hopkins 1974-8-6 613 Sierra c. 0.25 mi W of Packer Lake 1950 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
  CHSC61936  Agrostis pallens Lowell Ahart 1993-9-24 7245 A Sierra On the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CHSC61937  Agrostis pallens Lowell Ahart 1993-9-24 7245 Sierra On the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  UC1609356  Agrostis pallens Lowell Ahart 1993-9-10 7207 Sierra about 1.25 mi s of the dirt road from Gibsonville to Johnsonville (n side of Mount Fillmore); Mount Fillmore 2225 Comment
  CAS-BOT-BC138784  Agrostis scabra Catherine Best 1983-8-29 s.n. Sierra Sierra Nevada. Growing along Highway 49 just west of the Yuba Summit. 2042 Comment
  CHSC113670  Agrostis scabra L. P. Janeway 2014-6-17 11392 Sierra Northern High Sierra Nevada. Plumas National Forest; on the old mining tailings of Poverty Hill, between Gold Run Creek and Slate Creek. 1366 Comment
  SJSU12253  Agrostis scabra N. A. Hopkins 1975-8-26 731 Sierra 2 mi N of Independence Lake 2103 Comment
  CHSC105971  Agrostis thurberiana Lowell Ahart 2010-9-15 17182 Sierra Open areas around trees, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  SEINET5335992  Agrostis variabilis P. B. Kennedy, Samuel Bradford Doten 1901-7-23 217 Sierra Lincoln Valley Comment
  SEINET3559510 Image available Allium bisceptrum Lewis S. Rose 1934-7-2 34308 Sierra Gold Lake. 1951 Comment
  HSC97063  Allium campanulatum L. Ahart 2006-6-28 12871 Sierra 3/4 mi. E of Lake Delahunty, 2 mi. NE of Gibsonville 1784 Comment
  SDSU11557  Allium campanulatum D. F. Howe 1964-7-28 3885 Sierra 5.5 miles south of Glod Lake Lodge, Tahoe National Forest 1829 Comment
  UCD21007  Allium campanulatum E. Bortiri 2002-7-2 WFC 55 Sierra Packsaddle Campground, Lakes Basin. Comment
  JEPS16737  Allium lemmonii Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4294 Sierra on road from Hawley railroad station (on Western Pacific main line) to Loyalton (middle of Sierra Valley); Sierra Valley 1481 Comment
  SEINET206298  Allium lemmonii R. Bacigalupi, LR Heckard 1962-5-27 8484 Sierra E edge of S arm of Sierra Valley 4.7 mi NE of Sierraville (W slope of Rice Hill) 1524 Comment
  SEINET8122288  Allium lemmonii W. Harnack, N. Harnach 1989-5-5 057 Sierra Sierra Valley, Newman Point. 1531 Comment
  SJSU13989  Allium lemmonii N. A. Hopkins 1988-5-16 1411 Sierra 0.25 mi W of Beckwourth-Sattley Rd, 1 mi N of Calpine turnoff 1493 Comment
  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
  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
  SJSU12121  Allium validum N. A. Hopkins 1974-8-6 615 Sierra c. 0.25 mi W of Packer Lake 1950 Comment
  CAS-BOT-BC476708  Allium validum H. Albert Barker 1926-7-3 65 Sierra Below outlet of Packer Lake 1965 Comment
  UCD21012  Allium validum E. Bortiri 2002-7-4 WFC 60 Sierra Gold Valley, near Sierra Buttes and Packer Lake, Sierra Co. Comment
  CDA11884  Allophyllum gilioides subsp. violaceum G. F. Hrusa, J. Jokerst 1991-7-5 8546 A Sierra Sierra Valley Region; Antelope Valley. Bottom of Golden Dome on E side. Comment
  CHSC45443  Allophyllum gilioides subsp. violaceum Lowell Ahart 1983-10-27 4479 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadow Reservoir, about 1 mile south of Pass Creek, near Jackson Meadow Reservoir. 2011 Comment
  SEINET14407771  Allophyllum gilioides subsp. violaceum P. B. Kennedy, S. B. Doten 1901-1 120 Sierra N of Webber Lake. Comment
  SJSU14279  Allophyllum gilioides subsp. violaceum N. A. Hopkins 1989-7-1 1552 Sierra between Yuba Pass & Webber L, 1-2 mi N of Henness Pass 2072 Comment
  CHSC47683  Allophyllum integrifolium Lowell Ahart 1989-8-16 6377 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir. 1706 Comment
  CHSC45515  Allotropa virgata Lowell Ahart 1978-8-13 1798 Sierra Branch of Negro Creek, about 4 miles north-west of Middlewaters,. 1645 Comment
  JEPS58631  Alnus incana subsp. tenuifolia W. L. Jepson 1934-8-3 16817 Sierra 2 mi e Bassett road sta.; North Fork Yuba River, Pioneer road sta. 1706 Comment
  JEPS58639  Alnus incana subsp. tenuifolia W. L. Jepson Aug 1896 Sierra near Reno Nevada; Dog Valley Grade Comment
  LA95530  Alnus incana subsp. tenuifolia Douglas Drewes; 1967-5-20 sn Sierra State Highway 89, near Campbell Hot Springs, 6 mi. S of Sierraville 1523 Comment
  POM202893  Alnus incana subsp. tenuifolia L. S. Rose 1934-7-14 34361 Sierra Gold Lake. 1951 Comment
  UCD15409  Alnus incana subsp. tenuifolia Lorraine Prunier 1982-5-22 19 Sierra California, Sierra Co.; 3.7 mi. W of Sierra City on Highway 49; 2133 Comment
  CHSC81078  Alopecurus aequalis Lowell Ahart 2001-8-10 9096 Sierra Along the river and around the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  UC1146689  Alopecurus aequalis Freed W. Hoffman 1946-6-11 1832 Sierra Sierra Valley Comment
  UCD84212  Alopecurus saccatus Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  UCD54407  Alyssum alyssoides A. M. Shapiro 2006-6-11 s.n. Sierra 1.8 mi NE of Sierraville. 1539 Comment
  UCD103888  Alyssum alyssoides A. M. Shapiro 2011-6-10 s.n. Sierra 1.2 mi N of Town of Sierraville, along Hwy 89. 1513 Comment
  SEINET6190550  Amelanchier pallida W. Harnach, N. Harnach 1991-6-15 543 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch (home) 1503 Comment
  SEINET6190538  Amelanchier pallida P. A. Lehenbauer 1937-6-8 86 Sierra 26 miles west of Reno, on Truckee River at Iceland, south side of river near falls 1676 Comment
  CAS-BOT-BC136869  Amelanchier utahensis Barbara T. Keller 1975-6-11 1548 Sierra Yuba Pass 1981 Comment
  CAS-BOT-BC136877  Amelanchier utahensis W. Harnach; N. Harnach 1989-5-9 073 Sierra Sierra Valley. Newman Point (Rice on map) 1524 Comment
  UC1127789  Amelanchier utahensis C. G. Albertus 1935-8-27 274 Sierra 0.5 mi nne Sattley; Sierra National Forest, Sierraville Quad. 1524 Comment
  UC1515789  Amelanchier utahensis Baki Kasapligil 1959-5-24 3134 Sierra Sand Lake Comment
  CAS-BOT-BC494135  Amsinckia intermedia William Harnach 2002-5-29 1069 Sierra Sierra Valley. Newman Point (Rice on the maps) approx. 5 mi NE of Sierraville on Hwy 49 1531 Comment
  CAS-BOT-BC45081  Anaphalis margaritacea W. Harnach; N. Harnach 1990-8-17 514 Sierra Sierra Valley, Strang Ranch (Elvers back 80) 1524 Comment
  CHSC53113  Anaphalis margaritacea L. P. Janeway 1989-8-22 3620 Sierra Plumas National Forest. Northeast flank of ridge ca 3 mi E of Haskell Pk; near head of Sulphur Cr. 2164 Comment
  SEINET12098579  Anemone multifida J. G. Lemmon 1874-1 1 Sierra no further locality Comment
  CHSC45532  Angelica breweri L. P. Janeway 1984-8-12 997 Sierra Ridgetop just south of Packer Saddle. 2148 Comment
  CHSC53027  Angelica breweri L. P. Janeway 1989-8-9 3563 Sierra Beckworth Ranger District, Plumas National Forest. NE flank of Haskell Pk overlooking Hwy 89/Sulphur Cr. 2164 Comment
  SEINET6735100 Image available Antennaria dimorpha W. Harnach, N. Harnach 1990-4-22 276 Sierra Sierra Valley, Approx 5 miles N of Sierraville on Hwy 49, Newman point (east side of HWY and up the slope) 1554 Comment
  CAS-BOT-BC58654  Antennaria luzuloides David D. Keck 1944-7-8 5418 Sierra Sierra Valley, 1.5 mi. N of Sattley on Feather River Road 1524 Comment
  CAS-BOT-BC58657  Antennaria luzuloides Alice Eastwood 1918-6-29 7833 Sierra Loyalton Comment
  SBBG7570  Antennaria luzuloides H. and M. Dearing 1939-5-9 3306 Sierra Indian Valley Camp on Yuba River near Downeyville Comment
  SEINET6755222 Image available Antennaria luzuloides W. Harnach, N. Harnach 1989-6-4 124 Sierra Sierra Valley, E of Calpine, Calpine Ranch (home) 1506 Comment
  SEINET6755251 Image available Antennaria luzuloides W. Harnach, N. Harnach 1989-6-4 125 Sierra Sierra Valley, E of Calpine, Calpine Ranch 1506 Comment
  SJSU9810  Antennaria luzuloides C. W. Sharsmith 1982-5-30 8660 .5 Sierra 2 mi N of Sattley on Sattley-Beckwourth Road, Sierra Valley 1524 Comment
  NY158265  Antennaria microcephala J. G. Lemmon 1874-1 112 Sierra Comment
  CAS-BOT-BC79949  Antennaria microphylla H. Albert Barker 1926-7-31 163 Sierra Haskel Peak 2529 Comment
  CHSC10780  Antirrhinum vexillo-calyculatum subsp. intermedium Lowell Ahart 1966-9-18 Sierra Along Goodyear's Bar Road. 1066 Comment
  UC1178989  Antirrhinum vexillocalyculatum subsp. intermedium Herbert L. Mason 1945-9-9 12693 Sierra s of Downieville (Yuba River Canyon); Yuba River Canyon Comment
  CAS-BOT-BC218519  Apiaceae Gladys L. Smith 1959-6-20 1241 Sierra Downgrade north of Gold Lake, Sierra Nevada 1981 Comment
  JEPS49780  Apocynum androsaemifolium W. L. Jepson 16785 Sierra N. Fork Yuba R., Pioneer rd. sta. 1706 Comment
  CAS-BOT-BC383090  Aquilegia formosa Andrew Townesmith; Karen M. Meyer 2007-7-16 815 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 1.1 miles west of junction with county road 860 1916 Comment
  SEINET10729797  Aquilegia formosa Andrew Townesmith, Karen M. Meyer 2007-7-16 Townesmith 815 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 1.1 miles west of junction with county road 860. T19N R16E S11 E 1/2. 1916 Comment
  CAS-BOT-BC407118  Aquilegia formosa W. Harnach; N. Harnach 1989-6-24 171 Sierra Sierra Valley, Martinetti Ranch (Elvers) 1517 Comment
  SJSU13888  Aquilegia formosa N. A. Hopkins 1985-7-3 1288 Sierra between Sierraville & Lemon Valley c. 2 mi E of Sierraville 1554 Comment
  UCR270961  Arabis John F. Emmel 1999-6-5 1628 Sierra Sierra Nevada Mountains, Verdi Range; along Henness Pass Road, 0.5-0.7 road miles NW of the junction with Sunrise Creek Road at junction with Sunrise Creek Road 1677 Comment
  HSC96836  Arabis constancei L. Ahart 2006-6-28 12874 Sierra 3/4 air mi. E of Lake Delahunty, 2 air mi. NE of Gibsonville 1836 Comment
  SEINET5340334  Arabis holboellii var. pinetorum L. Doughty 1961-5-6 s.n. Sierra Truckee Summit. 2057 Comment
  RSA21687  Aralia californica C. B. Wolf 1937-8-6 s.n. Sierra Northern Sierra Nevada, No. Fork of Yuba River, 5 mi. above Downieville 1067 Comment
  JEPS125808  Arbutus menziesii William Harnach 2015-3-25 1397 Sierra 2.05 miles North of the Yuba-Sierra Co. line on Highway 49. Comment
  UC1078836  Arceuthobium americanum Job Kuijt 1957-5-20 1344 Sierra 9.5 mi n Truckee Comment
  SJSU12015  Arctostaphylos mewukka N. A. Hopkins 1975-5-10 648 Sierra near confluence Wild Plum Cr & N Yuba R 1310 Comment
  CAS-BOT-BC45432  Arctostaphylos nevadensis Catherine Best 1981-6-18 s.n. Sierra On the Packer's Lake Rd. Comment
  CAS-BOT-BC45475  Arctostaphylos nevadensis G. L. Smith 1959-6-20 1242 Sierra Roadside, down-grade n. of Gold Lake. 1981 Comment
  POM202946  Arctostaphylos nevadensis L. S. Rose 1934-7-21 34398 Sierra Gold Lake. 1951 Comment
  UC876438  Arctostaphylos nevadensis Lewis S. Rose 1934-7-21 34398 Sierra Gold Lake 1950 Comment
  UCR54278  Arctostaphylos nevadensis B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0947 Sierra Sierra Nevada Mtns., Plumas National Forest, Gold Lake, near the boat ramp 1960 Comment
  SEINET11989154  Arctostaphylos nevadensis B. A. Stein 1981-1 543 Sierra E shore Upper Sardine Lake, due E of Sierra Buttes 1829 Comment
  CAS-BOT-BC46504  Arctostaphylos patula Elmer I. Applegate 1921-9-7 3386 Sierra Gold lake, northern Sierra Co. Comment
  SEINET11998347  Arctostaphylos patula Unknown 1988-1 s.n. Sierra between Bassett's on W side of Yuba Pass to jct of CA 49 & CA 89 1951 Comment
  SEINET7262896  Arctostaphylos patula K. Walker 1954-5-13 21 Sierra [Sierra Nevada] Dog Valley, on the grade into the valley, 8 or 10 miles from Verdi 1417 Comment
  CAS-BOT-BC45332  Arctostaphylos viscida subsp. viscida Alice Eastwood 1918-4-6 6773 Sierra Downieville Comment
  UC125770  Arenaria aculeata G. T. Nordstrom 1936-7-25 964 Sierra 6 1/2 mi wsw Purdy; Sierraville Quadrangle 1950 Comment
  RSA790264  Arenaria congesta J. R. Shevock 1985-5-19 11149 Sierra Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville. 1650 Comment
  UC120412  Arenaria congesta var. suffrutescens J. G. Lemmon 1875-1 39 Sierra Comment
  CAS-BOT-BC82091  Arnica W. R. Dudley 1894-8-31 s.n. Sierra Near Webber Lake Comment
  CAS-BOT-BC82093  Arnica W. R. Dudley 1894-8-31 s.n. Sierra Webber Lake outlet Comment
  CAS-BOT-BC82237  Arnica chamissonis Catherine Best 1982-7-10 702 Sierra Near the Little Truckee River about 15 mi. northwest of Truckee Comment
  CAS-BOT-BC82240  Arnica chamissonis Alice Eastwood 1918-6-29 7885 Sierra Loyalton Comment
  CAS-BOT-BC82238  Arnica chamissonis Catherine Best 1984-6-19 1007 Sierra Sierra Valley 1/2 mile west of Sierraville on Hwy 89 Comment
  CAS-BOT-BC82244  Arnica chamissonis F. A. MacF. 1934-6-29 12551 Sierra Marsh, Truckee River 13 miles from Truckee on the Reno Rd. via Hobart Mills Comment
  SEINET11856544  Arnica chamissonis J. G. Lemmon 1874-1 125 Sierra Comment
  JEPS118417  Arnica chamissonis subsp. foliosa Lowell Ahart 2011-9-23 17708 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
  RSA417164  Arnica chamissonis subsp. foliosa Fay A. MacFadden 1934-6-29 12551 Sierra Little Truckee River Comment
  SEINET10971263  Arnica chamissonis subsp. foliosa Heidi H. Schmidt 1993-6-13 Schmidt 852 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Sagebrush flats, meadow. 1650 Comment
  RSA789573  Arnica cordifolia J. R. Shevock 1983-6-28 10527 Sierra Greenhorn Mountains. Along forest road 24S15 just east of Tiger Flat. 1951 Comment
  SEINET6774981 Image available Arnica cordifolia P. B. Kennedy 1903-6-27 792 Sierra Dog Valley, near Verdi Comment
  JEPS88368  Arnica dealbata Vernon H. Oswald and Lowell Ahart 1996-8-19 8215 Sierra Yuba Pass-Weber Lake Rd.(Forest Rt. 12) just n road to Haypress Valley; northern High Sierra Nevada 2255 Comment
  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
  CAS-BOT-BC295828  Arnica dealbata Lewis S. Rose 1934-7-7 34331 Sierra SW. of Gold Lake 2103 Comment
  POM204025  Arnica dealbata L. S. Rose 1934-7-7 34331 Sierra SW of Gold Lake. 2104 Comment
  CAS-BOT-BC82769  Arnica mollis Ella Dales Cantelow 1941-5-17 3503 Sierra 4 3/ mi. n.w. of Calpine 1584 Comment
  JEPS107588  Arnica mollis Lowell Ahart 2005-8-30 12351 Sierra On the south side of Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2064 Comment
  JEPS88194  Arnica mollis Vernon H. Oswald and Lowell Ahart 1996-8-19 8195 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) just s road to Lincoln Valley; northern High Sierra 2255 Comment
  CAS-BOT-BC494130  Arnica mollis W. Harnach; N. Harnach 2000-6-29 929 Sierra Sierra Valley. 1/2 mi N of Coburn Lake at the end of access road 2188 Comment
  CAS-BOT-BC85150  Arnica nevadensis H. Albert Barker 1926-7-8 82 Sierra Gold Lake Ridge 2072 Comment
  SEINET8655786 Image available Arnica nevadensis W. Harnach 2015-8-5 1435 Sierra Approx. 3.4 air miles SE of Yuba Pass. 2333 Comment
  SEINET10724996  Arnica sororia Karen M. Meyer, Andrew Townesmith 2007-7-15 Meyer 119 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  SEINET4342859  Arrhenatherum elatius W. Harnach, N. Harnach 1993-6-26 732 Sierra Sierra Valley, Doe Canyon, about 3 miles SE of Loyalton in Sierra Brooks 1622 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
  JEPS102757  Artemisia douglasiana Lowell Ahart 2001-8-10 9104 Sierra About 200 yards west of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 150 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  CAS-BOT-BC90468  Artemisia douglasiana L. P. Janeway 1992-9-15 4309 Sierra Small fork of upper Big Boulder Creek about 1.75 mi north of Haskell Peak. Clio quad. 1935 Comment
  SEINET13709299  Artemisia douglasiana Lowell William Ahart, Lowell William Ahart 2001-1 9104 Sierra Diversion Dam across Little Truckee River S of Fiberboard Rd. (Fsr 18) N of Henness Pass, 5 Air Mi. E of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft. 1920 Comment
  SEINET7153378 Image available Artemisia nova W. Harnach, Nancy Harnach 1990-7-29 478 Sierra Sierra Valley, !.5 miles N of the Calpine Rd. intersection on Co. Rd. A-23. Comment
  SEINET7153475 Image available Artemisia tridentata W. Harnach, N. Harnach 1990-9-22 528 Sierra Sierra Valley. 0.5 miles E of Calpine, Calpine Ranch (Home). 1507 Comment
  SEINET7239415 Image available Artemisia tridentata W. D. Billings 1949-8-21 1747 Sierra 1 mile east of Webber Lake 2042 Comment
  CAS-BOT-BC97408  Artemisia tridentata subsp. tridentata W. R. Dudley 1894-9-1 s.n. Sierra Near Corey's Station, vicinity of Webber Lake Comment
  CAS-BOT-BC97410  Artemisia tridentata subsp. tridentata John Thomas Howell; Gordon H. True 1970-7-14 5547 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  CAS-BOT-BC97414  Artemisia tridentata subsp. tridentata Lowell Ahart 1983-10-27 4472 Sierra near the dirt road on the north side of Milton Res., near Jackson Meadow Res. 1800 Comment
  CHSC67157  Artemisia tridentata subsp. vaseyana James D. Jokerst 1990-7-27 3171 Sierra Balls Ranch Surveys for Jones and Stokes. Summit of Bald Mtn. Range at N end. 2621 Comment
  JEPS37049  Artemisia tridentata subsp. vaseyana W. L. Jepson 1934-8-7 16873 Sierra Onion Valley Comment
  SEINET8584703 Image available Artemisia tridentata subsp. wyomingensis W. Harnach 2015-10-6 1455 Sierra 1.8 miles east of Hwy 49 on Lemmon Canyon Road, east of Sierraville. 1558 Comment
  JEPS124066  Asarum hartwegii Lowell Ahart 2015-5-9 20184 Sierra About 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. Comment
  SEINET183424  Asclepias cordifolia L. Constance 1938-6-9 2300 Sierra Junction of North and South Forks of the North Fork of the Yuba River at Sierra City. 1372 Comment
  JEPS124873 Image available Asclepias cordifolia B. Corwin 1964-6-25 99 Sierra On south-facing slope 2 miles west of Downieville on highway 49. Comment
  JEPS124874 Image available Asclepias cordifolia Joe Ammirati 1964-6-25 119 Sierra 2 mi. W. of Downieville on roadside of H.W 49. Comment
  SEINET6833825  Asclepias cordifolia M. Sady 1991-7-29 s.n. Sierra [Sierra Nevada] On eastside of Hwy 89, 1 mile south of Sierraville 1550 Comment
  SEINET10496068  Asclepias speciosa Mary Susan Taylor 1981-7-17 Taylor 4052 Sierra T20N R14E nw sec 31, Sierraville NW quad. On N side of Hwy 49, ca. 2 mi W of its jct with Hwy 89, ca. 2 mi SW of Calpine; 6600 ft elev. 2011 Comment
  CHSC110243  Aspidotis densa L. P. Janeway 2012-6-24 10903 Sierra Northern High Sierra Nevada. Top of band of serpentine along Sawmill Ridge 1.0 km southeast of Delahunty Lake and 2.7 km northwest of Mt Fillmore. 1901 Comment
  SEINET3166409  Aspidotis densa P. J. Alexander 2009-5-26 1047 Sierra West slope of the northern Sierra Nevada, 1.8 miles (linear) NE of Gibsonville on the road to Johnsville, 2.3 miles WNW of Mount Etna, 13.2 miles SSE of Quincy, Plumas National Forest. 1762 Comment
  SJSU4992  Aspidotis densa N. A. Hopkins 1968-7-5 157 Sierra 0.5 mi W of Packer Lake 2072 Comment
  RSA252464  Aster alpigenus R. F. Thorne, C. W. Tilforth 1969-9-6 39212 Sierra Moist margin of Haven Lake (between Goose and Snag Lakes). 1951 Comment
  RSA125821  Aster breweri Arthur R. Kruckeberg 1954-8-2 3687 Sierra Just 1/2 mile west of Sierra Buttes Lookout, Tahoe National Forest 2439 Comment
  RSA21704  Aster breweri C. B. Wolf 1937-8-6 9064 Sierra Northern Sierra Nevada, 1/2 mile NE of Gold Lake 1921 Comment
  POM261611  Aster integrifolius L. S. Rose 1934-7-20 s.n. Sierra Gold Lake 1951 Comment
  UCR257660  Aster occidentalis var. occidentalis George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19450 Sierra Northern Sierra Nevada Mountains, Henness Pass Road, 1.1 mile east of its junction with CA-89 at the north end of Kyburz Flat 1907 Comment
  CAS-BOT-BC477886  Asteraceae W. R. Dudley 1894-9-1 s.n. Sierra Lake of the Woods. Comment
  CAS-BOT-BC477890  Asteraceae W. R. Dudley 1894-8-30 s.n. Sierra By road west- Webber Lake to Mountain Lake. Comment
  CAS-BOT-BC477891  Asteraceae W. R. Dudley 1896-8-1 s.n. Sierra Near Webber Lake. Comment
  UCD38335  Astragalus Beecher Crampton 1954-5-11 1888 Sierra 4 miles west Loyalton, Sierra Valley. Comment
  JEPS87628  Astragalus bolanderi Lowell Ahart 1994-7-1 7447 Sierra at intersection of a logging road to Harris Meadow and Henness Pass Road about 2 mi sw Middlewaters (about 7 1/2 mi (air) ne of Alleghany); sw of Middlewaters, ne of Alleghany 1950 Comment
  UC82646  Astragalus curvicarpus var. curvicarpus J. G. Lemmon 1875-1 Sierra Comment
  POM123484  Astragalus lentiformis J. G. Lemmon 1874-1 s.n. Sierra Sierra Valley Comment
  SEINET12158617  Astragalus pulsiferae J. G. Lemmon 1874-1 53 Sierra Sierra Co., &c Comment
  UC574580  Astragalus pulsiferae Mrs. Pulsifer Ames 1874-8-1 33 Sierra Sierra and Plumas Counties , Long Valley, Sierra Co. (Long Valley, Sierra Co.) Comment
  SEINET12160088  Astragalus purshii J. G. Lemmon 1874-1 51 Sierra Comment
  CAS-BOT-BC192963  Astragalus purshii var. purshii Alice Eastwood 1918-6-29 7861 Sierra Loyalton Comment
  RSA110888  Astragalus purshii var. purshii H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1942-5-22 4528 Sierra Near Sierraville. 1707 Comment
  RSA110889  Astragalus purshii var. purshii H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1942-5-22 4528 Sierra Near Sierraville. 1707 Comment
  CAS-BOT-BC193058  Astragalus purshii var. tinctus M. Boone 1981-5-16 055 Sierra Highway 49 1 mile N. of junction with 89 1524 Comment
  SEINET12160198  Astragalus whitneyi J. G. Lemmon 1874-1 52 Sierra Comment
  UC1875014  Athyrium alpestre var. americanum Ruth Kirkpatrick 2005-7-20 1364 Sierra Near summit of Sierra Butte, below fire tower Comment
  UCD136281  Athyrium filix-femina P. B. Schultz 1967-6-30 29 Sierra 2 miles E of Downieville. 929 Comment
  CAS-BOT-BC17425  Athysanus pusillus Anna Head 1921-6-21 s.n. Sierra Feather River Region. Campbell Hot Springs. Comment
  UC1181562  Atriplex rosea R. F. Hoover 1940-10-11 4683 Sierra betw Loyalton and Sierraville; betw Loyalton and Sierraville Comment
  SCFS756  Avena sativa V. Hardham 1965-7-6 89 Sierra Ditch ca 0.25 mi from Hwy 89, Cal Pine and Beckworth Rds 1524 Comment
  CAS-BOT-BC205793  Balsamorhiza hookeri James R. Shevock 1985-5-19 11146 Sierra Northern Sierra Nevada. Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  SEINET7239813 Image available Balsamorhiza hookeri var. neglecta P. A. Lehenbauer 1935-5-21 s.n. Sierra Balls Canyon 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
  SBBG7795  Balsamorhiza sagittata H. and M. Dearing 1939-5-9 3312 Sierra N of Sierra Buttes Comment
  CAS-BOT-BC16680  Barbarea orthoceras Gladys L. Smith 1959-6-19 1209 Sierra Sierra Nevada. Summit of Yuba Pass. 2042 Comment
  CAS-BOT-BC16684  Barbarea orthoceras Rimo Bacigalupi 1957-7-4 1608 Sierra Along North Fork of Yuba River 2 miles west of Yuba Pass. 1920 Comment
  CHSC541  Barbarea orthoceras V. Holt 1942-7-18 Sierra Gold Lake. 1950 Comment
  POM308872  Barbarea orthoceras Betty J. Jorgensen 1944-6-22 482 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  CAS-BOT-BC145850  Beckmannia syzigachne W. R. Dudley 1909-8-27 s.n. Sierra Sierra Valley. East of Hot Springs. Comment
  SEINET200167  Beckmannia syzigachne H. L. Mason 1953-7-7 14558 Sierra Sierra Valley pond 1.5 mi E of Calpine Comment
  SJSU12093  Beckmannia syzigachne N. A. Hopkins 1976-6-22 833 Sierra drainage ditch in marshy area by Marble Hot Springs Rd, Sierra Valley Comment
  UCD56806  Beckmannia syzigachne Beecher Crampton 1957-7-24 4418 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  CHSC54581  Bistorta bistortoides Lowell Ahart 1991-7-22 6677 Sierra French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  SEINET4176347  Bistorta bistortoides P. Kennedy, S. Doten 1901-7-11 131 Sierra Near Webber Lake Comment
  SEINET4176580  Bistorta bistortoides L. Killinger 1962-5-9 s.n. Sierra Dog Valley, southwest end 1829 Comment
  SEINET4176607  Bistorta bistortoides J. Robertson 1960-6-18 s.n. Sierra Sagehen Creek, University oF California campus 2134 Comment
  CAS-BOT-BC128024  Blepharipappus scaber Alice Eastwood 1918-6-29 7899 Sierra Loyalton 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
  SEINET7379392 Image available Blepharipappus scaber subsp. scaber W. Harnach, N. Harnach 2000-5-24 900 Sierra Sierra Valley. 0.8 miles west of the intersection of the Bear Valley Road and Smithneck Road. 4 miles south of Loyalton. 1615 Comment
  RSA0125961  Boechera James Henrickson 1969-5-25 3443 Sierra Ca. 45 miles northeast of Yuba City, 7 miles west of Downieville, 4 miles east of Yuba county border. Comment
  CHSC25491  Boechera arcuata L. Ahart 1977-4-20 Sierra Found alogn the edge of the road s of Alleghany ca. 1 mi. 1400 Comment
  SEINET3166179  Boechera arcuata P. J. Alexander 2006-8-3 403 -A Sierra Northern Sierra Nevada, Fiddle Creek Ridge on the north side of the North Yuba River, +-5.8 miles WSW of Downieville, about 2/3 of the way up the south side of the ridge on Hall's Ranch Trail, Tahoe National Forest. 1097 Comment
  CHSC110244  Boechera constancei L. P. Janeway 2012-6-24 10904 Sierra Northern High Sierra Nevada. Top of band of serpentine along Sawmill Ridge 1.0 km southeast of Delahunty Lake and 2.7 km northwest of Mt Fillmore. 1901 Comment
  CHSC94222  Boechera constancei Lowell Ahart 2006-6-28 12894 Sierra On the northwest side of the dirt road (road goes from Gibsonville to Johnsville), about 200 yards northeast of the camp and road (road goes to Howland Flat), less than 1/2 mile (air) northeast of Lake Delahunty, about 1 3/4 miles (air) northeast of Gibsonville. 1901 Comment
  SJSU6433  Boechera lemmonii N. A. Hopkins 1971-6-21 415 Sierra ridge between Packer Saddle & Sierra Buttes, W of Tamarack Lakes 2133 Comment
  JEPS53202  Boechera pinetorum W. L. Jepson 1934-8-3 16831 Sierra 2 mi e Bassett sta. (pioneer road sta.); North Fork Yuba River 1706 Comment
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Dec 26 2016
  CAS-BOT-BC25382  Boechera retrofracta L. Constance 1938-6-8 2296 Sierra Junction of North and South Forks of North Fork of the Yuba River, Sierra City. 1371 Comment
  CAS-BOT-BC25602  Boechera retrofracta Arthur Chan 1981-5-16 87 Sierra Beside a dirt road, located east of Sattley 10.3 miles. Comment
  SJSU14012  Boechera retrofracta N. A. Hopkins 1988-6-16 1426 Sierra c. 1 mi SW of Calpine, Sierra Valley 1524 Comment
  UCD143728  Boechera sparsiflora Judy Coleman 1976-5-15 s.n. Sierra Dog Valley, going on Crystal Peak Road. 8 miles west of Reno, Nevada. Comment
  CAS-BOT-BC478476  Boisduvalia W. Harnach; N. Harnach 1989-6-27 185 Sierra Sierra Valley In drainage in old burn area behind the house - Calpine Ranch (home) 1505 Comment
  SD18456  Botrychium multifidum J. G. Lemmon Jan 1876 Sierra Sierra Valley [County a guess, near Sierraville, says Andy Sanders] Comment
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Jul 11 2010
  CHSC85026  Botrychium simplex var. compositum John Dittes; Lowell Ahart 2003-9-28 838 Sierra Northern High Sierra Nevada; ca. 7.6 air-miles northeast of La Porte, ca. 11.9 air-miles north of Downieville, ca. 14.9 air-miles south by southeast of Quincy; north slope of Mt. Fillmore. Bank of drainage in meadow. 2182 Comment
  SEINET10483069  Boykinia elata Mary Susan Taylor, R. Wessel 1982-8-20 Taylor 5026 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
  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
  JEPS124764 Image available Boykinia occidentalis Virginia Hardham 1965-6-29 38 Sierra 4 1/2 mi E of Downieville, Pirk. Comment
  RSA466763  Boykinia occidentalis Dorothy Davis 1923-08 s.n. Sierra Downeyville. Near Yuba River. Comment
  RSA466764  Boykinia occidentalis Robert Gustafson 1985-6-14 3177 Sierra Ca 3 miles SW of Downieville on Hwy 49. 823 Comment
  CHSC105174  Brickellia greenei B. Castro; L. P. Janeway 1997-9-14 787 Sierra South flank of Stafford Mtn, just above the Gibsonville-Jonesville Rd. 1859 Comment
  CAS-BOT-BC127872  Brickellia greenei Lowell Ahart 1977-8-2 s.n. Sierra on the north side of Mount Fillmore. Red Fir Forest 2000 Comment
  UCD40311  Briza minor Rodney Gale Myatt 1971-7-3 818 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  SEINET4345396  Bromus carinatus P. Lehenbauer 1937-1 119 Sierra 25 miles west of Reno on Truckee Road at Iceland, on south side of river by falls 1676 Comment
  JEPS75578  Bromus carinatus var. carinatus W. L. Jepson 1934-8-6 16865 Sierra Yuba Pass 2011 Comment
  SBBG128098  Bromus carinatus var. carinatus L. Ahart 2010-9-15 17177 Sierra 5 yards N of the first pond 2.75 mi NW of the cabin, at the spring, ca. 2 3/4 mi N of Yuba Pass on Hwy 49, ca. 4 mi E of Haskell Peak 2134 Comment
  UC1131038  Bromus carinatus var. carinatus G. T. Nordstrom 1936-7-8 903 Sierra 2 1/4 mi nnw of Dog Valley 2133 Comment
  CAS-BOT-BC148756  Bromus carinatus var. marginatus Lowell Ahart 1977-8-2 1470 Sierra Found on the north side of Mount Fillmore. Mount Fillmore is about 12 miles northeast of La Porte. 2000 Comment
  CHSC91628  Bromus japonicus G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16299 Sierra Northern Sierra Nevada. Sierra Valley. Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. 1645 Comment
  JEPS110363  Bromus japonicus Lowell Ahart 2006-6-21 12823 Sierra On the north side of the road, about 2 miles (by road) west of Forest 1329 Comment
  HSC97011  Bromus laevipes L. Ahart 2006-6-21 12805 Sierra W side of Foote Rd., 3.7 mi. SW of Alleghany 1094 Comment
  JEPS110374  Bromus laevipes Lowell Ahart 2006-6-21 12805 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  RSA641653  Bromus laevipes R. F. Thorne 1974-7-30 45045 Sierra Tahoe national Forest: Goose Haven and Snag Lakes area. 2058 Comment
  SEINET10834741  Bromus marginatus Ernest C. Twisselmann 1959-4-25 Twisselmann 5104 Sierra Glennville Road, 2.9 miles W of Greenhorn Pass, Kefon County. 1524 Comment
  CAS-BOT-BC161631  Bromus sterilis John Thomas Howell; Gordon H. True 1969-6-25 45859 Sierra Sierra Nevada. North Fork of Yuba River, 5 miles east of Indian Valley. 762 Comment
  CAS-BOT-BC185609  Bromus tectorum W. Harnach; N. Harnach 1989-5-20 104 Sierra Sierra Valley. Calpine Ranch (home). 1505 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
  CHSC78316  Calliscirpus brachythrix Lowell Ahart 2000-7-13 8591 Sierra On a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany. 1615 Comment
  RSA96071  Calocedrus decurrens P. C. Everett, E. K. Balls 1954-10-8 20253 Sierra 4.6 miles north of Sierra-Plumas County line on road from Gold Lake to Graeagle, Sierra Nevada 1433 Comment
  SEINET5334887  Calocedrus decurrens R. J. Holl 1949-5-23 s.n. Sierra Dog Valley, 8 miles north of Verdi 1829 Comment
  SEINET8194600  Calochortus bruneaunis W. Harnach, N. Harnach 1989-6-18 154 Sierra Calpine Ranch, Sierra Valley, 0.5 miles E of Calpine 1506 Comment
  CAS-BOT-BC487780  Calochortus bruneaunis W. Harnach; N. Harnach 1989-6-18 154 Sierra Sierra Valley, Calpine Ranch (home) 1505 Comment
  CDA11864  Calochortus leichtlinii G. F. Hrusa, J. Jokerst 1991-7-5 8564 a Sierra Sierra Valley Region; E side of Antelope Valley. Comment
  CHSC110270  Calochortus leichtlinii L. P. Janeway 2012-6-24 10900 B Sierra Northern High Sierra Nevada. Top of band of serpentine along Sawmill Ridge 1.0 km southeast of Delahunty Lake and 2.7 km northwest of Mt Fillmore. 1901 Comment
  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
  CAS-BOT-BC490238  Calochortus leichtlinii Albert H Barker 1926-7-3 32 Sierra Pocker Lake 1981 Comment
  SEINET8197341  Calochortus leichtlinii P. B. Kennedy, S. B. Doten 1901-7-5 88 Sierra [Sierra Nevada] Webber Lake. Comment
  SJSU4982  Calochortus leichtlinii N. A. Hopkins 1968-6-30 151 Sierra 0.25 mi N of Packer Lake 1859 Comment
  CAS-BOT-BC181491  Caltha leptosepala Rimo Bacigalupi 1927-7-2 1627 Sierra Slopes above North Fork of Yuba River halfway between Downieville and Sierra City 2072 Comment
  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
  UC54459  Calyptridium umbellatum H. M. Hall and E. B. Babcock July, 1903 4511 Sierra Gold Lake; Sierra Nevada Mountains, Gold Lake 1950 Comment
  SEINET183559  Calyptridium umbellatum L. Constance 1938-6-8 2297 Sierra Jct of N & S Forks of N Fork of the Yuba River Sierra City 1372 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
  SEINET8584752  Calystegia malacophylla subsp. malacophylla W. Harnach 2015-5-6 1406 Sierra 1.2 mile south of Goodyears Bar (from the intersection at Hwy 49) on Mountain House Road. 882 Comment
  SD129147  Camassia leichtlinii B. Pitzer, S. Morgan, H. Soldan 1988-5-29 973 Sierra Plumas National Forest, ca. 2.3 miles south of Sierra County line on Highway 89, just before boundary of Tahoe National Forest. Small meadows in pine forest. Comment
  JEPS124669 Image available Camassia leichtlinii subsp. suksdorfii P. Matteson 1968-6-27 36 Sierra Hwy 49 at Yuba Pass. 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
  CAS-BOT-BC497268  Camassia leichtlinii var. suksdorfii Robert S. Keller 1974-6-15 1482 Sierra Chapman Creek Campground, about 7 miles NE of Sierra City on Hwy 49. Sierra Nevada Mountain Range. 1767 Comment
  CDA19230  Camassia quamash G. D. Barbe, T. C. Fuller 1982-6-17 3804 Sierra Tahoe National Forest; Calpine Meadow, NE of Calpine settlement. 1524 Comment
  SEINET12054017  Camassia quamash J. G. Lemmon 1874-1 215 Sierra Sierra Co. &c. Comment
  SEINET8472088  Camassia quamash subsp. breviflora W. Harnach, N. Harnach 1990-6-30 434 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  UC66122  Camassia quamash subsp. breviflora P. B. Kennedy and S. B. Doten 1901-7-11 149 Sierra Webber Lake 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
  RSA232644  Camassia quamash subsp. breviflora Larry E. DeBuhr, Gary D. Wallace 1972-5-21 584 Sierra At Calpine on Highway 89 Comment
  SEINET8472123  Camassia quamash subsp. breviflora P. B. Kennedy, S. B. Doten 1901-7-11 149 Sierra Near Webber Lake. Comment
  UCD21008  Camassia quamash subsp. breviflora E. Bortiri 2002-7-3 WFC 56 Sierra South shore of Webber Lake (Lacey Valley), Sierra Co. Comment
  SEINET5344120  Camissonia pusilla W. Harnach, N. Harnach 1989-5-21 110 Sierra 0.5 miles E of Calpine, Calpine Ranch (home) 1 Comment
  HSC60618  Camissonia tanacetifolia Carl Wishner 1978-6-30 523 Sierra 5 mi. N of Calpine off Hwy. 89 Comment
  SEINET12189061  Camissonia tanacetifolia J. G. Lemmon 1874-1 87 Sierra Comment
  CAS-BOT-BC32394  Camissonia tanacetifolia subsp. quadriperforata Peter Hamilton Raven 1963-5-28 18416 Sierra 6.2 miles N of Sierraville on road to Loyalton. Comment
  RSA0004491  Camissonia tanacetifolia subsp. quadriperforata Peter H. Raven 1963-5-28 18416 Sierra 6.2 miles north of Sierraville on road to Loyalton. Comment
  SEINET10463268  Campanula prenanthoides John G. Lemmon 1874-1 Lemmon 4536 Sierra Comment
  SEINET10463467  Campanula scouleri John G. Lemmon 1874-1 Lemmon s.n. Sierra Comment
  CAS-BOT-BC37047  Capsella bursa-pastoris Ted Knowles 1961-5-9 6 Sierra 0.5 mile north of Sierraville, on Highway. 1463 Comment
  CAS-BOT-BC37311  Cardamine breweri W. Harnach; N. Harnach 1990-6-6 347 Sierra Sierra Valley. Martinetti Ranch (Elvers). 1517 Comment
  RSA364518  Carex Robert Gustafson 1985-6-10 3146 Sierra SFSU Sierra Nevada Field Station, ca. 6 miles below Yuba Pass summit on Highway 49 1921 Comment
  SBBG125480  Carex abrupta L. Ahart 2010-9-15 17191 Sierra W side of poor rd, ca. 15 yrds N of first pond, ca. 20 yards NW of the cabin, ca. 50 yards SW of middle pond, at the spring, ca. 2.75 mi N of Yuba Pass on Hwy 49, ca. 4 mi E of Haskell Peak 2134 Comment
  CAS-BOT-BC17892  Carex angustata John Thomas Howell 1951-8-21 28250 Sierra Sierra Nevada. 5 miles from Calpine on road to Blairsden. 1524 Comment
  HSC95644  Carex angustata L. P. Janeway, Eric Shroder 1997-8-20 5355 Sierra Church Meadows, about 1.5 mi. E of Gold Lake 2043 Comment
  UC1586395  Carex angustata Lowell Ahart 1991-7-22 6684 Sierra about 1/4 mi s Henness Pass Road (along a very small branch of Pass Creek in French Meadow, about 3 mi nw of Webber Lake); Pass Creek, French Meadow 2133 Comment
  UC1256266  Carex aquatilis R. K. Gierisch 1969-8-25 3582 Sierra Tahoe Forest 2072 Comment
  JEPS63760  Carex athrostachya W. L. Jepson 1918-8-18 8039 Sierra Sierra Valley 1524 Comment
  CAS-BOT-BC18120  Carex athrostachya Beecher Crampton 1958-6-24 4946 Sierra Sedge meadows along the Little Truckee River, 12 miles south of Sierraville. 1828 Comment
  SEINET10585149  Carex athrostachya Ertter 1987-6-27 ERTTER 7226 Sierra Kyburz Flat ca 12 airmiles N of Truckee, head of Little Truckee River; ca 1.5 mi E of Hwy 89 on Tahoe Nat'l For. Rd S450; T19N R16E Sec 7; moist banks of scooped-out pond at N edge of flat, with Marsilea and Eleocharis. Locally common, tufted. 1920 Comment
  SEINET10861852  Carex aurea Unknown Anonymous 126 Sierra Mount Shasta. Comment
  CAS-BOT-BC19408  Carex bolanderi A. H. Frederick 1920-6-27 s.n. Sierra Downieville. Slug Canyon. Comment
  CAS-BOT-BC34213  Carex canescens Lewis S. Rose; J. W. Stacey 1934-7-3 34324 Sierra Gold Lake. 1950 Comment
  JEPS117662  Carex canescens Lowell Ahart 2010-8-3 17034 Sierra Disturbed area along a small stream that flows into Negro Creek, east side of the poor logging road, about 100 yards east of Negro Creek, about 1/8 mile (air) west of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (a 1731 Comment
  POM203477  Carex canescens L. S. Rose 1934-7-3 34324 Sierra Meadow, Gold lake 1951 Comment
  HSC93306  Carex capitata Vernon H. Oswald, L. Ahart 1996-8-19 8221 Sierra Northern High Sierra Nevada; Yuba Pass-Weber Lake Rd. (Forest Route 12) 1.5 mi. S of the road to Haypress Valley 2195 Comment
  CAS-BOT-BC34384  Carex cusickii G. L. Smith 1959-6-19 1199 Sierra Sierra Nevada. Clark Station, 3 miles below Yuba Pass. David Snyder summer home. 1889 Comment
  CHSC102949  Carex davyi Peter F. Zika 2009-8-23 24622 Sierra Sierra Nevada Highlands n SNH. Above culvert, Forest Service Road 260, 1.05 road miles W of Route 89 on the signed (4 mi) road to Sagehen Campground; Sagehen Experimental Forest, Truckee Ranger District, Tahoe National Forest. 1990 Comment
  CAS-BOT-BC34919  Carex densa Alice Eastwood 1922-4-23 11185 Sierra Walker Creek. Comment
  CHSC105832  Carex echinata subsp. echinata Lowell Ahart 2010-8-3 17039 Sierra On the north side of the road to Granite Mountain, north part of Harris Meadow, about 7 miles (air) northeast of Alleghany. 1793 Comment
  SEINET10650292  Carex exserta Jens C. Clausen 1937-8-2 Clausen 1603 Sierra Mono County: Slate Creek Valley, east of Mount Conness, Harvey Monroe Hall Natural Area. North of Cabin Creek below waterfall, in rocky or sandy soil. 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
  UC1609340  Carex heteroneura Lowell Ahart 1993-9-10 7201 Sierra About 1/4 mile south of where the poor dirt road ends at the stream, camp and water ditch, on the north side of Mount Fillmore, about 1 mile southwest of the dirt road from Gibsonville to Johnsville 2225 Comment
  CHSC43571  Carex heteroneura var. heteroneura Lowell Ahart 1978-9-26 1809 Sierra Small meadow, on the north side of Mount Fillmore, about 12 miles north-east of La Porte. 2011 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
  SEINET13370398  Carex hoodii S. B. Doten 1895-6-29 s. n. Sierra Dog Valley Comment
  CAS-BOT-BC7655  Carex integra P. B. Kennedy; S. B. Doten 1901-7-2 70 Sierra Webber Lake. 2063 Comment
  CHSC61928  Carex integra Lowell Ahart 1993-9-24 7248 Sierra In a small meadow, on the west side of a poor dirt road that ends at a stream, on the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CHSC73448  Carex jonesii B. Castro; L. Gehrung, H. Durio 1995-9-14 655 Sierra Mt. Fillmore Mdws: Mdw 3. Ca 0.6 air mi SW of the top of Mt. Fillmore, and ca 0.5 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. Series of 4 meadows on NW-facing midslope terrace of mtn, feeding Pearson Ravine via springs and cascades. In northernmost sedge meadow. 2109 Comment
  CHSC105826  Carex lemmonii Lowell Ahart 2010-8-3 17035 Sierra Disturbed area along a small stream that flows into Negro Creek east side of the poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  JEPS100365  Carex lemmonii Dean W. Taylor 2001-6-6 17772 Sierra headwaters of Rock Creek in vicinity of Union Hill-Scales; fen along Forest Road 35, Plumas National Forest 1341 Comment
  SEINET10467095  Carex lemmonii Lowell Ahart 1991-7-22 Ahart 6686 Sierra In French Meadow, near a small branch of Pass Creek, about 1/4 mile south of Henness Pass Road, about 3 miles northwest of Webber Lake. Mountain Meadow in Red Fir Forest. T19N R7E NW/S24. 2134 Comment
  UCD108014  Carex lenticularis Tim Kuhn 2006-7-31 63 Sierra Truckee Ranger District. Comment
  CHSC46998  Carex lenticularis var. lipocarpa L. P. Janeway 1984-8-25 1061 Sierra At Snag Lake. 2026 Comment
  UC1586399  Carex lenticularis var. lipocarpa Lowell Ahart 1991-7-22 6685 Sierra about 1/4 mi s Henness Pass Road (along a very small branch of Pass Creek in French Meadow, about 3 mi nw of Webber Lake); Pass Creek, French Meadow 2133 Comment
  RSA102719  Carex lenticularis var. lipocarpa L. S. Rose 1934-7-9 34341 Sierra Squaw Lake near Gold Lake. 2012 Comment
  CHSC46987  Carex luzulifolia L. P. Janeway 1989-8-9 3560 Sierra Plumas National Forest. Northeast flank of Haskell Pk overlooking Hwy 89/Sulphur Cr. 2148 Comment
  UC1133399  Carex luzulifolia L. S. Smith 1928-6-18 Sierra S of Loyalton (Jones Valley) 1981 Comment
  CAS-BOT-BC31574  Carex luzulifolia Lowell Ahart 1978-9-26 s.n. Sierra Mt. Fillmore. 670 Comment
  CDA9222  Carex multicaulis D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .317 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 Comment
  HSC97033  Carex multicaulis L. Ahart 2006-6-28 12892 Sierra 3/4 mi. E of Lake Delahunty, 2 mi. NE of Gibsonville 1784 Comment
  JEPS110253  Carex multicaulis Lowell Ahart 2006-6-28 12892 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1784 Comment
  SEINET10817225  Carex multicaulis Lawrence P. Janeway 1984-8-3 Janeway 964 Sierra Sierra City quad. T20N, R12E, NE1/4 of sec. 6. Top of ridge west of Packer Lake and north of Packer Saddle. South-facing slope along edge of loging skid-trail in logged red fir forest. Mostly open, dry. 2195 Comment
  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
  UCD108013  Carex nebrascensis Tim Kuhn 2006-8-1 62 Sierra Truckee Ranger District. Comment
  CHSC46991  Carex nervina L. P. Janeway 1989-8-10 3577 Sierra Plumas National Forest. Northeast flank of Haskell Pk overlooking Hwy 89/Sulphur Cr. 2240 Comment
  JEPS117651  Carex nervina Lowell Ahart 2010-8-3 17030 Sierra On the west bank of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany 1707 Comment
  SEINET7568764 Image available Carex nervina Lewis S. Rose 1934-7-7 34337 Sierra Mountain meadow, SW of Gold Lake. 2103 Comment
  CHSC43013  Carex pellita L. P. Janeway 1984-8-26 1098 Sierra Along drainage channel from Snag Lake and near the highway. 1996 Comment
  UCD108017  Carex pellita Tim Kuhn 2006-7-31 64 Sierra Truckee Ranger District. Comment
  CAS-BOT-BC118925  Carex pellita H. M. Hall; E. B. Babcock 1903-7-1 4475 Sierra Low wet meadows of Sierra Valley. 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
Read comments
Apr 20 2011
  SEINET10708721  Carex praegracilis A. Arthur Heller, Patrick B. Kennedy 1907-7-1 Heller 8668 Sierra Purdy. Comment
  CHSC105827  Carex rossii Lowell Ahart 2010-8-3 17031 Sierra On a poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  CHSC53533  Carex rossii L. P. Janeway 1984-8-19 1056 Sierra Sierra Nevada crest north of Sierra Buttes. Near second switchback (towards SE) down from Packers Saddle. 1981 Comment
  CAS-BOT-BC118211  Carex rossii L. P. Janeway 1984-7-29 945 Sierra Sierra City NE quad, Ridgetop/saddle near Rd 28 (21N11) ca 3.5 mi from Gold Lake. 2225 Comment
  SEINET10916611  Carex rossii Lawrence P. Janeway 1984-7-29 Janeway 950 Sierra Sierra City NE quad T21N, R12E, SE1/4 of sec. 13, Ridgetop/saddle near Rd 28 (21N11) ca 31/2 mi from Gold Lake. Moist area of selectively tractor-logged red fir forest. 2225 Comment
  CHSC77471  Carex simulata G. Schoolcraft 1996-6-26 2528 Sierra Long Valley Creek s. of Hallelujah Junction. 1524 Comment
  JEPS100490  Carex simulata Lowell Ahart 2000-7-13 8586 Sierra In a small boggy meadow, on a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany 1615 Comment
  SJSU14293  Carex spectabilis N. A. Hopkins 1989-8-29 1591 Sierra below Coburn L, Berry Cr drainage c. 5 mi S of Yuba Pass 2255 Comment
  UC1609353  Carex spectabilis Lowell Ahart 1993-9-10 7221 Sierra about 1 1/2 mi s of the dirt road from Gibsonville to Johnsville; Mount Fillmore 2255 Comment
  CAS-BOT-BC117345  Carex stipata Mrs. J. G. Lemmon 1875-9-1 s.n. Sierra Sierra Velley. Comment
  UC835954  Carex stipata var. stipata J. G. Lemmon 479 Sierra Sierra Valley Comment
  CHSC52356  Carex straminiformis L. P. Janeway 1984-8-11 981 Sierra Steep NE-facing slope NW side of Sierra Buttes. 2316 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
  CHSC82982  Carex subfusca L. P. Janeway; B. Castro 2001-7-1 7251 Sierra Northern High Sierra Nevada. From springs on lower northwest flank of Table Rock 0.8 km southwest of Howland Flat, along Road 21N08. 1768 Comment
  CAS-BOT-BC115865  Carex subfusca H. M. Hall; E. B. Babcock 1903-7-1 4487 Sierra Lower Sardine Lake, Sierra Buttes. 1828 Comment
  CAS-BOT-BC115869  Carex subfusca Kenneth R. Genz 1982-7-28 3723 Sierra Along the edge of the dirt road N of the Pacific Mine, ca 5 mi E of La Porte. 1700 Comment
  CAS-BOT-BC115873  Carex subfusca Catherine Best 1980-6-12 s.n. Sierra Herrington's Sierra City. Comment
  SEINET5094624 Image available Carex subfusca Unknown 1934-7-10 34343 Sierra Ridge W of Gold Lake Comment
  UC835167  Carex utriculata Lewis S. Rose 1934-7-3 34325 Sierra Gold Lake 1950 Comment
  CAS-BOT-BC115434  Carex utriculata Lewis Samuel Rose 1934-7-3 34325 Sierra Meadow Gold Lake 1950 Comment
  RSA364688  Carex utriculata L. S. Rose 1934-7-3 34325 Sierra Meadow, Gold lake 1951 Comment
  RSA102720  Carex vesicaria L. S. Rose 1934-7-9 34340 Sierra Squaw Lake near Gold Lake. 2012 Comment
  CHSC47085  Carex whitneyi L. P. Janeway 1989-8-16 3601 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Peak. 2133 Comment
  RSA8062  Cassiope mertensiana subsp. californica H. A. Barker 1927-8-14 840 Sierra Round Lake Ridge. 2256 Comment
  UCR17468  Castilleja Frank C. Vasek 1975-7-10 750710- 13 Sierra Sierra Nevada Mtns., 1 mi west of State Hwy 89 on Henness Pass Rd. 1951 Comment
  CAS-BOT-BC249349  Castilleja applegatei Lowell Ahart 1982-7-28 3706 Sierra About 1/8 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  SD102836  Castilleja applegatei Darley Howe 1978-7-16 Sierra Along highway 89 ca. 10 miles north of Truckee 1951 Comment
  SFV10981  Castilleja applegatei J. Turner, F. M. Ball 1963-7-13 1199 Sierra Sierra Nevada Highway 89, 9 miles south of Sierraville. 1905 Comment
  CHSC34433  Castilleja applegatei subsp. disticha James Henrickson 1969-5-25 3416 Sierra Ca. 30 mi. E. of Reno, 22 mi. N of Truckee along Hwy. 89. 1584 Comment
Read comments
Dec 11 2007
  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
  JEPS9893  Castilleja applegatei subsp. pinetorum W. L. Jepson 1934-8-3 16849 Sierra 2 mi e Bassett Station (Pioneer road station); North Fork Yuba River 1706 Comment
  CAS-BOT-BC243735  Castilleja applegatei var. pinetorum Gordon H. True 1967-7-31 3671 Sierra Verdi Peak Road about 1/2 mile below summit 2499 Comment
  CAS-BOT-BC243744  Castilleja applegatei var. pinetorum Alice Eastwood 1918-6-29 7908 Sierra Loyalton Comment
  JEPS62317  Castilleja arachnoidea G. L. Stebbins 1970-7-25 Sierra nw ridge Mt. Fillmore 1950 Comment
  CAS-BOT-BC251406  Castilleja lemmonii W. R. Dudley 1894-8-30 s.n. Sierra Webber Lake, by road west to Mt. Lake Comment
  JEPS16406  Castilleja lemmonii John G. Lemmon Aug 1874 Sierra Sierra Valley Comment
  CAS-BOT-BC254085  Castilleja miniata D. E. Breedlove 1962-6-13 3532 Sierra on bank of the Little Truckee River, on State Highway 89, 11.3 miles south of Sierraville; Sierra Nevada 1905 Comment
  CAS-BOT-BC254089  Castilleja miniata H. Albert Barker 1926-7-3 20 b Sierra Packer Lake Creek 1981 Comment
  CHSC52831  Castilleja miniata L. P. Janeway 1984-8-18 1027 Sierra Near second switchback (towards SE) down from Packers Saddle. 1981 Comment
  CHSC53173  Castilleja miniata L. P. Janeway 1989-8-16 3593 Sierra Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. 2133 Comment
  JEPS30945  Castilleja miniata D. E. Breedlove 1962-6-13 3532 Sierra 11.3 mi s Sierraville (on State Hwy 89, on bank of Little Truckee River); Sierra Nevada, Little Truckee River 1905 Comment
  JEPS9760  Castilleja miniata W. L. Jepson 1934-8-3 16828 Sierra 2 mi e Bassett station (Pioneer road station); North Fork Yuba River 1706 Comment
  SEINET14063338  Castilleja miniata P. B. Kennedy, S. B. Doten 1901-7-10 138 Sierra Canyon below Webber Lake. 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-BC254080  Castilleja miniata M. S. Taylor; R. Wessel 1932-8-20 5030 Sierra At Big Springs (Lavezolla fountain), on w side of Hwy 49, ca. 3 air mi ne of Sierra City. Flora of Sierra County Comment
  CAS-BOT-BC254092  Castilleja miniata H. Albert Barker 1926-7-15 21 Sierra Gold Lake 2011 Comment
  CAS-BOT-BC254096  Castilleja miniata Lewis S. Rose 1934-7-13 34358 Sierra Stream banks, Gold Lake 1950 Comment
  SEINET10832392  Castilleja miniata Mary Susan Taylor, R. Wessel 1982-8-20 Taylor 5030 Sierra T20N R12E se sec 15. Sierra City quad. At Big Springs (Lavezolla fountain), on w side of Hwy 49, ca. 3 air mi ne of Sierra City. Riparian. Comment
  UCD122972  Castilleja miniata N. Hopkins 1983-9-1 1174 Sierra ca. 0.25 mi W of Packer Lake. Comment
  UCSB18370  Castilleja miniata subsp. miniata Breedlove, Dennis 1962-6-13 Sierra State Highway 89, 11.3 miles south of Sierraville; Sierra Nevada 1905 Comment
  CHSC110273  Castilleja pilosa L. P. Janeway 2012-6-24 10899 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
  CHSC43488  Castilleja pilosa Lowell Ahart 1978-7-29 1796 Sierra On the north side of Mount Fillmore, about 12 miles north-east of La Porte. 2133 Comment
  JEPS110175  Castilleja pilosa Lowell Ahart 2006-6-28 12878 Sierra On the west slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1880 Comment
  JEPS16340  Castilleja pilosa Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-7 4266 Sierra near Calpine; Sierra Valley 1493 Comment
  SJSU14006  Castilleja pilosa N. A. Hopkins 1988-5-31 1410 Sierra between Beckwourth & Sattley, Sierra Valley 1493 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
  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
  UCD84196  Castilleja tenuis 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-BC48639  Ceanothus cordulatus Lewis S. Rose 1969-6-25 69056 Sierra 3 mi, n. of Bassetts 1950 Comment
  CAS-BOT-BC48707  Ceanothus cordulatus John Thomas Howell 1951-8-21 28263 Sierra East side of Yuba Pass 1828 Comment
  UCR111258  Ceanothus cordulatus L. S. Rose 1969-6-25 69056 Sierra mi. north of Bassetts 1951 Comment
  SEINET5339250  Ceanothus cordulatus S. B. Doten 1901-7-12 163 Sierra [Sierra Nevada] Near Webber Lake Comment
  SEINET5339259  Ceanothus cordulatus C. G. Gulling 1906-1 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC64449  Ceanothus diversifolius W. R. Dudley 1893-6-13 s.n. Sierra Star Mine. Comment
  CAS-BOT-BC63646  Ceanothus integerrimus W. R. Dudley 1893-6-14 s.n. Sierra 5.5 mi. n. of Burney. 1066 Comment
  RSA639492  Ceanothus integerrimus Lorraine Prunier 1982-5-22 17 Sierra at benchmarch G218 along Hwy 49. 610 Comment
  UC1070765  Ceanothus integerrimus A. Lewis 1934-7-7 504 Sierra 1.5 mi sw Port Wine; Downieville quad., Plumas National Forest 1524 Comment
  UCR197002  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2008-5-20 13483 Sierra Sierra Nevada Mountains Foothills, Henness Pass road, 3.4 miles northeast of Camptonville 1261 Comment
  CAS-BOT-BC52111  Ceanothus prostratus John Thomas Howell 1975-6-16 51210 Sierra on road to Dog Valley north of Mitchell Canyon Comment
  CAS-BOT-BC53076  Ceanothus prostratus Lowell Ahart 1969-5-27 984 Sierra Sierra Nevada - Banks near Webber Lake 2133 Comment
  CAS-BOT-BC53124  Ceanothus prostratus W. R. Dudley 1909-8-26 s.n. Sierra Near Hot Springs, Sierra Valley Comment
  RSA515504  Ceanothus prostratus J. T. Howell 1975-6-16 51210 Sierra Transition zone on road to Dog Valley N of Mitchell Canyon Comment
  UCR552  Ceanothus velutinus Frank C. Vasek 1955-6-26 255 Sierra Sierra Nevada Mountains, along Hwy 89, 10 miles north of Truckee 1860 Comment
  CAS-BOT-BC63194  Ceanothus velutinus var. velutinus Roxana S. Ferris 1926-9-7 6808 Sierra 9 mi. from Markleville on Ebbett Pass Road. Comment
  CAS-BOT-BC63197  Ceanothus velutinus var. velutinus Lowell Ahart 1976-7-30 s.n. Sierra Mt. Tillmore. 1981 Comment
  CAS-BOT-BC63198  Ceanothus velutinus var. velutinus John Thomas Howell; Gordon H. True 1970-7-14 5529 Sierra At Verdi Peak Lookout, Verdi Range. 2560 Comment
  JEPS125649  Centaurea cyanus Shuxiao Zhang 2015-7-7 003 Sierra On E side of Main Street, 5 minutes walk NE of Sierra City. Comment
  POM297980  Centaurium muehlenbergii J. G. Lemmon 1874-1 189 Sierra [No location information provided on label.] Comment
  UC338820  Centaurium muehlenbergii Lemmon 1928-8-5 699 Sierra W. C. L.'s Ranch Sierra Valley (Sierra Valley) 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
  SJSU13981  Cercocarpus ledifolius N. A. Hopkins 1988-5-16 1404 Sierra Long Valley Rd near Dog Valley 1920 Comment
  SEINET6333716  Cercocarpus ledifolius var. intermontanus P. A. Lehenbauer 1937-6-8 63 Sierra 25 miles west of Reno on Truckee Road at Iceland, on south side of river by falls 1676 Comment
  CAS-BOT-BC148507  Cercocarpus ledifolius var. ledifolius W. Harnach; N. Harnach 1990-6-10 353 Sierra Sierra Valley, Balderson Ranch (Antelope Valley) 1584 Comment
  CAS-BOT-BC148508  Cercocarpus ledifolius var. ledifolius John Thomas Howell; Gordon H. True 1970-7-14 5525 Sierra At Verdi Peak Lookout, Verdi Range - Sierra Nevada 2560 Comment
  CDA17276  Chaenactis douglasii G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16303 Sierra Sierra Nevada; Sierra Valley: Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. 1645 Comment
  CAS-BOT-BC276684  Chaenactis douglasii var. douglasii H. Albert Barker 1926-7-8 77 Sierra Gold Lake RIdge 2072 Comment
  CAS-BOT-BC276753  Chaenactis douglasii var. douglasii Alice Eastwood 1918-6-29 7798 Sierra Loyalton Comment
  JEPS94410  Chamaesyce serpillifolia subsp. serpillifolia Vernon Oswald and Lowell Ahart 1997-8-19 8828 Sierra 1.1 mi sw of the town of Forest (Mountain House Road (County Road 300), between Goodyears Bar and Alleghany); Mountain House Road 1417 Comment
  SEINET9444785  Chamaesyce serpyllifolia W. Harnach, N. Harnach 1990-7-30 493 Sierra Sierra Valley. Sierraville near end of Willow St.,Hamlin Creek area. 1570 Comment
  CAS-BOT-BC68226  Cheilanthes gracillima Clare B. Hardham 1961-6-15 7410 Sierra South side of Yuba Pass 1828 Comment
  JEPS124067  Cheilanthes gracillima Lowell Ahart 2015-5-9 20155 Sierra About one mile west of Highway 49, about 2 mile west of Indian Valley. Comment
  CAS-BOT-BC68232  Cheilanthes gracillima M. Lavin 1982-6-27 4156 Sierra Sierra Nevada - Salmon Lake - 13 miles 225 deg. s from Portlola 1981 Comment
  SEINET10971565  Cheilanthes gracillima John G. Lemmon 1872-1 Lemmon s.n. Sierra Mts. around Webber Lake and Sierra Valley. Comment
  JEPS102327  Chenopodium berlandieri Lowell Ahart 2001-8-10 9074 Sierra about 1 1/4 mi NW of Stampede Reservoir Dam (Stampede Reservoir, about 1 mi SW of Henness Pass Road) 1810 Comment
  JEPS102360  Chenopodium berlandieri Lowell Ahart 2001-8-10 9074 Sierra about 1 1/4 mi NW of Stampede Reservoir Dam (Stampede Reservoir, about 1 mi SW of Henness Pass Road) 1810 Comment
  RSA232650  Chimaphila menziesii Larry E. DeBuhr, Gary D. Wallace 1972-5-21 580 Sierra Tahoe National Forest; 4 miles west of Sierra City on Hwy. 49. Comment
  UC124847  Chimaphila umbellata J. G. Lemmon 1875-1 184 Sierra Comment
  CHSC53152  Chimaphila umbellata subsp. occidentalis L. P. Janeway 1989-8-16 3602 Sierra Plumas National Forest, Beckwourth Ranger District. Near top of ridge 1/2 mile SE of Chapman Saddle; ca 2-1/4 mi SE of Haskell Pk. 2103 Comment
  CAS-BOT-BC30108  Chrysolepis chrysophylla G. M. Noyes 1913-6-1 197 Sierra Forest Tahoe Comment
  UC1135254  Chrysolepis sempervirens A. Lewis 1934-7-5 498 Sierra 2.2 mi ne Poverty Hill; Plumas National Forest, Downieville Quad. 1584 Comment
  SEINET11268080  Chrysopsis breweri Carl B. Wolf 1937-8-6 9064 Sierra Northern Sierra Nevada, 1/2 mile ne of Gold Lake.; 0 1920 Comment
  SEINET13384113 Image available Chrysothamnus nauseosus subsp. albicaulis George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-1 19471 Sierra Northern Sierra Nevada Mountains: Little Truckee River valley along Hwy CA-89, 3.5 road miles north of the Nevada County line, 9.6 air miles SE (136 deg. ) of Sierraville 1878 Comment
  UCD22393  Chrysothamnus viscidiflorus subsp. viscidiflorus Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1315 Sierra Along Hwy 49 NE of the town of Sierraville, ca. 2 road miles from town. Roadside. 1524 Comment
  SEINET4142583  Circaea alpina var. pacifica W. Harnach, N. Harnach 1990-6-30 458 Sierra Sierra Valley, Yuba Pass 2042 Comment
  JEPS110373  Cirsium occidentale var. venustum Lowell Ahart 2006-6-21 12806 Sierra On the southeast side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  CDA1511  Cirsium ochrocentrum var. ochrocentrum W. White, W. Van Gilder 1965-8-18 s.n. Sierra Sierra Valley; S side of Hwy 49, 0.5 mi W of Loyalton. 35 paces W of W. driveway of Bruce Miles ranch. Comment
  CAS-BOT-BC286269  Cirsium scariosum Alice Eastwood 1918-6-29 7924 Sierra Portola Comment
  CAS-BOT-BC228946  Cistanthe umbellata H. Albert Barker 1926-7-15 263 x Sierra Gold Lake 1981 Comment
  CAS-BOT-BC172043  Clarkia gracilis subsp. gracilis W. Harnach; N. Harnach 1989-7-1 217 Sierra Sierra Valley, Sattley Hill 1524 Comment
  CAS-BOT-BC163179  Clarkia lassenensis Alice Eastwood 1918-6-29 7884 Sierra Loyalton Comment
  CAS-BOT-BC163180  Clarkia lassenensis Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
Read comments
Mar 18 2018
  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
  UCR249643  Clarkia rhomboidea George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20779 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.7 miles west of Goodyears Bar, c. 11 miles NE of Yuba Co. line 793 Comment
  JEPS124843 Image available Clarkia rhomboidea S. Hardinghaus 1967-6-30 16765 .365 Sierra 3 mi. W Downieville Hwy 49 downhill Roadside. Comment
  JEPS124844 Image available Clarkia rhomboidea B. Corwin 1964-6-25 86 Sierra 2 miles east of Downieville on highway 49. 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
  SEINET10572697  Claytonia parviflora Mary Susan Taylor, R. Wessel 1982-8-20 Taylor 5027 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
  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
  CHSC10806  Claytonia rubra subsp. rubra Lowell Ahart 1969-5-18 Sierra Scales, 10 miles S. E. of La Porte. 1219 Comment
  SEINET5336434  Claytonia rubra subsp. rubra H. Holbo 1961-5-6 s.n. Sierra Truckee summit area 1981 Comment
  SEINET13396072  Collinsia parviflora H. Hamlin 1904-1 s.n. Sierra Sierra Valley. Comment
  SEINET13396093  Collinsia parviflora S. B. Doten 1901-7-2 74 c Sierra NE [of] Webber Lake. Comment
  UCR63639  Collinsia torreyi B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0960 Sierra Sierra Nevada Mtns., Plumas National Forest, c. l mi. south of Sierra County line on Hwy 89 1585 Comment
  SBBG19074  Collinsia torreyi var. torreyi H. and M. Dearing 1939-7-4 3833 Sierra Gold Lake 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
  JEPS125648  Collomia grandiflora Shuxiao Zhang 2015-7-7 004 Sierra On E side of near end of Spring Street. Comment
  SD103783  Collomia grandiflora Darley F. Howe 1978-7-16 Sierra Along Highway 89, 12.3 miles north of Truckee. 1920 Comment
  SEINET13772026  Collomia grandiflora I. LaRivers 1969-7-25 s. n. Sierra Verdi 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
  CHSC54578  Collomia linearis Lowell Ahart 1991-7-22 6675 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  CAS-BOT-BC157356  Comarum palustre L. S. Smith 1926-8-10 1996 Sierra Tahoe National Forest. Gold Lake along Str. in Mdw. west end 1981 Comment
  JEPS124864 Image available Convolvulus arvensis G. R. Ostrander 1965-6-29 26 Sierra .3 mile east of the junction of Hiway 49 and the county road to Goodyear's Bar on Hiway 49. Comment
  CAS-BOT-BC285936  Conyza bonariensis W. Harnach; N. Harnach 1990-8-5 503 Sierra Sierra Valley. Kuaffmans (old box mill) 1511 Comment
  SEINET6166298  Corallorhiza maculata P. B. Kennedy, S. B. Doten 1901-7-23 213 Sierra Lincoln Valley Comment
  UC1326235  Corallorhiza maculata Theodore F. Niehaus 1965-6-24 590 Sierra Pipe Creek; where lower Canyon Creek Road crosses Comment
  UC66454  Corallorhiza maculata P. B. Kennedy and S. B. Doten 1901-7-18 170 Sierra Webber Lake Comment
  CHSC69193  Cordylanthus tenuis subsp. tenuis Vernon Oswald; Lowell Ahart 1997-8-19 8821 Sierra Mountain House Rd. (County Rd. 300) 1.3 mi south of Goodyears Bar. 899 Comment
  CDA9214  Cornus nuttallii D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .308 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 Comment
  SEINET12136796  Cornus nuttallii J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  SEINET12137590  Cornus nuttallii F. H. Utech 1986-1 86 -049 Sierra Tahoe National Forest, Wild Plum Recreation Area, ca 2 mi E of Sierra City on CA 49 1350 Comment
  CAS-BOT-BC212152  Cornus sericea H. Albert Barker July 3 49 Sierra Packer Lake Comment
  CHSC63136  Cornus sericea subsp. sericea Lowell Ahart 1994-7-14 7435 Sierra On the sout side of the large pond, steep rocky slope on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles east of Alleghany. 1889 Comment
  SEINET8480663  Cornus sericea var. sericea M. J. Williams 1969-9-13 s.n. Sierra Webber Lake 2065 Comment
  UC875929  Cornus sessilis Alice Eastwood 1918-4-6 6781 Sierra Downieville Comment
  JEPS125679  Corydalis caseana William Harnach 2008-7-11 1343 Sierra 1 mile East of Bassetts Station at SFSU Sierra Nevada Field Campus. Comment
  POM161768  Corydalis caseana R. C. Bacigalupi 1927-7-2 1628 Sierra Slopes above north fork of Yuba River, halfway between Downieville and Sierra City Comment
  CAS-BOT-BC401882  Corydalis caseana subsp. caseana L. S. Smith 1938-7-15 2881 Sierra Tahoe National Forest. Near Simi's N.F. along Yuba River 1828 Comment
  CAS-BOT-BC169504  Corylus cornuta subsp. californica Alice Eastwood 1918-4-6 6780 Sierra Downville Comment
  CAS-BOT-BC290469  Crepis acuminata John Thomas Howell; Gordon H. True 1970-7-14 5543 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  CAS-BOT-BC290473  Crepis acuminata Gordon H. True 1967-7-31 3675 Sierra Verdi Peak Road ca. 1.5 miles below summit 2438 Comment
  POM230955  Crepis bakeri G. Ledyard Stebbins, J. A. Jenkins 1937-5-23 2162 Sierra Along stream, headwaters of Dark Canyon 1921 Comment
  UC313840  Crepis intermedia L. S. Smith 1927-5-30 Sierra e Sierraville; Sierra Valley 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
  UC346500  Crepis intermedia E. B. Babcock 1928-6-13 146 Sierra below trail from Lemmon Canyon to Sardine Pk. lookout; Tahoe Nat. For. 2072 Comment
  UC346566  Crepis intermedia E. B. Babcock 1928-6-12 152 Sierra along rd. ca 5 mi se Sierraville; Tahoe Nat. For., Onion Valley Comment
  UC346570  Crepis intermedia E. B. Babcock 1928-6-13 149 Sierra along road 4 mi e Sierraville; Tahoe Nat. For., Lemmon Canyon Comment
  UC581228  Crepis intermedia E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1612 Sierra on hwy 1 1/2 mi s Sierraville 1600 Comment
  CAS-BOT-BC291567  Crepis intermedia G. L. Stebbins, Jr.; E. B. Babcock 1936-6-5 1720 Sierra Western slope of east side of Smithneck Creek 5 miles south of Loyalton 1524 Comment
  CAS-BOT-BC291568  Crepis intermedia G. L. Stebbins, Jr.; E. B. Babcock 1936-6-5 1728 Sierra Along Smithneck Creek about 2 miles south of Loyalton 1524 Comment
  UC346524  Crepis intermedia E. B. Babcock 1928-6-12 125 Sierra Newman Pt. Sierra Valley (along road to Loyalton) Comment
  UC346543  Crepis intermedia E. B. Babcock 1928-6-22 175 Sierra Reno rd 12.8 mi fr. jct. <with> Loyalton rd. ((Sierraville)); Lemmon Canyon Comment
  UC346546  Crepis intermedia E. B. Babcock and M. Navashin 1928-6-22 170 Sierra Newman Pt. Sierra Valley (near rd. from Sierraville to Loyalton) 1767 Comment
  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
  JEPS36462  Crepis modocensis L. S. Smith 1927-6-20 2047 Sierra above road to Loyalton; Tahoe <National> Forest, Sierra Valley 1676 Comment
  SJSU13962  Crepis modocensis N. A. Hopkins 1988-5-16 1401 Sierra Long Valley Road c. 1 mi SW of Bordertown 1615 Comment
  UC346529  Crepis modocensis subsp. subacaulis E. B. Babcock 1928-6-12 121 Sierra 3.3 mi n Truckee (on rd. to Hobart Mills) 1767 Comment
  UC581252  Crepis modocensis subsp. subacaulis G. L. Stebbins Jr. and J. A. Jenkins 1937-5-23 2159 Sierra Casey's Mill Balls Creek (woods about, head of creek, between Loyalton and Purdy) 1820 Comment
  CHSC73746  Crepis occidentalis B. Castro; M. A. Griggs 1997-7-10 762 Sierra Bunker Hill Ridge, on ridge crest E of Duck Soup Pond, along Pacific Crest Trail. 2118 Comment
  JEPS29183  Crepis occidentalis Lauramay T. Dempster 1961-6-15 1449 Sierra just s Yuba Pass ((junction of Calpine Lookout Rd. and Hwy 89)) 1828 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
  UC346511  Crepis occidentalis subsp. occidentalis E. B. Babcock 1928-6-12 136 Sierra nr. and s Newman Pt. (along rd. <from> Sierraville to Loyalton); Sierra Valley Comment
  POM230951  Crepis occidentalis subsp. pumila E. B. Babcock, G. L. Stebbins Jr. 1936-6-5 1701 Sierra Newman Point, SE edge of Sierra Valley, about 3.5 miles NE of Sierraville on road to Loyalton. 1616 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
  CAS-BOT-BC376513  Crepis runcinata subsp. andersonii A. A. Heller; P. B. Kennedy 1907-7-1 8666 Sierra Purdy Comment
  UC194653  Crepis runcinata subsp. imbricata unknown Aug. 1881 Sierra Sierra Valley Comment
  CAS-BOT-BC189265  Cryptantha W. Harnach; N. Harnach 1990-6-6 344 Sierra Martinetti Ranch, Sierra Valley 1517 Comment
  POM368166  Cryptantha affinis Robert Gustafson 1985-6-13 3166 Sierra SFSU Sierra Nevada Field Station, ca. 6 miles below Yuba Pass summit on Highway 49. 1921 Comment
  SJSU13885  Cryptantha affinis N. A. Hopkins 1985-7-3 1289 Sierra between Sierraville & Lemon Valley c. 2 mi E of Sierraville Comment
  CHSC46750  Cryptantha echinella Lowell Ahart 1981-6-23 2866 Sierra Johnsville road, there is a small triangle shaped hill to the south of the road, south of Stafford Mountain, about 12 miles north-east of La Porte. 1828 Comment
  JEPS125743  Cryptantha intermedia William Harnach 2013-4-6 1305 Sierra 1.6 miles West of Goodyears Bar on Highway 49 and North of the Ramshorn campground. Comment
  SEINET12564966  Cryptantha simulans M. J. Williams, A. Tiehm 1974-8-17 74 -S-54 Sierra Verdi Ridge Road. 2134 Comment
  RSA182979  Cryptantha simulans Clare B. Hardham 1961-6-15 7392 Sierra S side Yuba Pass. Comment
  CAS-BOT-BC70473  Cryptogramma acrostichoides Lewis S. Rose 1934-7-4 34319 Sierra Gold Lake 1950 Comment
  CHSC61910  Cryptogramma acrostichoides Lowell Ahart 1993-9-24 7241 Sierra On the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  UC1875016  Cryptogramma acrostichoides Ruth Kirkpatrick 2005-7-20 1365 Sierra Near summit of Sierra Butte, below fire tower Comment
Read comments
Jan 30 2012
  CAS-BOT-BC70471  Cryptogramma acrostichoides J. G. Lemmon s.n. Sierra High Sierra, notably at Webber Lake Comment
  RSA685629  Cryptogramma acrostichoides Robert Gustafson 1987-6-10 3482 a Sierra Gold lake, along dirt road leading to lake. 1951 Comment
  CDA9332  Cryptogramma crispa D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .295 Sierra Above Sardine Lake on road to Sierra Butte. Comment
  CAS-BOT-BC215901  Cuscuta californica Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Unspecified Comment
  SJSU12223  Cuscuta californica N. A. Hopkins 1981-7-20 1033 .5 Sierra 1 mi S of Calpine 1524 Comment
  JEPS78182  Cuscuta occidentalis Gary W. Zamzow 1972-7-11 77 Sierra 0.8 mi n Loyalton (beside road A 24) 1524 Comment
  CHSC69181  Cuscuta subinclusa Vernon Oswald; Lowell Ahart 1997-8-19 8832 Sierra County Rd. 309 on Pliocene Ridge, ca. 3 airmi northeast of Alleghany, 0.1 mi southwest of Henness Pass Road (County Rd. 302). 1706 Comment
  UC1553396  Cusickiella douglasii G. Schoolcraft 1988-5-16 1799 Sierra in Dog Valley e Guard Station; Dog Valley e of Guard Station 1767 Comment
  CHSC109870  Cymopterus terebinthinus var. californicus L. P. Janeway; B. Castro 2012-6-16 10879 Sierra Northern High Sierra Nevada. Tip of a short southeastern spur of Gibsonville Ridge, 1.1 km north-northwest of Gibsonville. 1885 Comment
  CHSC45879  Cymopterus terebinthinus var. californicus Lowell Ahart 1979-7-15 1959 Sierra North of the road that goes from La Porte to Johnsville, south-east part of Stafford Mountain, about 1 mile east of Mount Etna. 1676 Comment
  CHSC64274  Cymopterus terebinthinus var. californicus H. H. Schmidt; M. Merello, L. Woodruff 1993-6-12 843 Sierra Tahoe National Forest. Road to Weber Lake. 3.2 miles W of state highway 89. 1950 Comment
  UC75790 Image available Cypripedium parviflorum var. makasin Miss M. Alice King 1892-6-5 Sierra Union Hill Comment
  CAS-BOT-BC70698  Cystopteris fragilis John Thomas Howell 1969-9-13 46102 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CHSC46170  Cystopteris fragilis Lowell Ahart 1976-5-22 1126 Sierra Along Goodyears Bar Road. 914 Comment
  CHSC73398  Cystopteris fragilis B. Castro; L. Gehrung, H. Durio 1995-9-14 621 Sierra Ca 0.7 air mi SW of the top of Mt. Fillmore, and ca. 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. 1962 Comment
  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
  RSA789796  Cystopteris fragilis George K. Helmkamp, E. A. Helmkamp 2011-6-9 17550 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
  SEINET6629010  Cystopteris fragilis S. B. Doten 1901-7-5 100 Sierra Webber Lake, near falls Comment
  UC338516  Cystopteris fragilis unknown Sierra Webber Lake Comment
Read comments
May 9 2006
  UC366558  Cystopteris fragilis J. G. Lemmon Sierra Cataract Canyon of Webber Lake Comment
  CDA4065  Cytisus scoparius T. C. Fuller 1962-6-14 9023 Sierra On slope north of Highway 49 to Camptonville, road junction at Fiddle Creek, Indian Valley, Yuba River, 12.0 miles west of Downieville. 0 Comment
  JEPS124726 Image available Dactylis glomerata Karen Cornwell 1973-6-28 Sierra Goodyear's Bar, Yuba RIver. Comment
  UC1100149  Damasonium californicum Herbert L. Mason 1953-6-16 14552 Sierra 1/4 mi. s. Beckwourth Buttes Comment
  CAS-BOT-BC445493  Damasonium californicum John Thomas Howell 1962-6-18 37824 Sierra Sierra Valley, 1.5 mi. e. of Calpine 1524 Comment
  CHSC113660  Danthonia californica var. americana L. P. Janeway 2014-6-17 11393 Sierra Northern High Sierra Nevada. Plumas National Forest; on the old mining tailings of Poverty Hill, between Gold Run Creek and Slate Creek. 1366 Comment
  CHSC61563  Danthonia californica var. americana L. P. Janeway 1984-8-18 1018 Sierra Second meadow southeast of the second switchback down the road from Packers Saddle towards Packer Lake. 1981 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
  JEPS122439  Danthonia californica var. americana L. P. Janeway 2014-6-17 11393 Sierra Northern High Sierra Nevada. Plumas National Forest; on the old mining tailings of Poverty Hill, between Gold Run Creek and Slate Creek. Quad: American House 7.5'. Comment
  CHSC47487  Darlingtonia californica Lowell Ahart 1975-8-16 925 Sierra Harris Meadow, about 20 miles east of Camptonville ... Field redacted by CHSC, contact the data manager for more information 1524 Comment
  JEPS125770  Darlingtonia californica William Harnach 2015-7-1 1424 Sierra 3 miles off of Henness Pass Road on FS Road 98. Upper end of Harris Meadows. Comment
  UCD161460  Darlingtonia californica Barry Rice 2013-7-12 BR 130705 Sierra north of the road NF98. Several sites at this spot. This collection from easternmost site. 1750 Comment
  RSA515709  Darmera peltata B. Pitzer, S. Morgan, H. Soldan 1988-5-29 940 Sierra Tahoe National Forest. 3.5 miles E of Downieville on Hwy 49. 1220 Comment
  SJSU12018  Darmera peltata N. A. Hopkins 1975-5-9 646 Sierra Woodruff Cr c. 1 mi S of Goodyears Bar 853 Comment
  CAS-BOT-BC173283  Delphinium W. Harnach; N. Harnach 1989-4-30 045 Sierra Sierra Valley. Calpine Ranch (home) 1504 Comment
  SEINET8674616  Delphinium andersonii W. Harnach, N. Harnach 1989-4-15 027 Sierra Approx 3 air miles NE of Calpine, Sierra-Plumas County line on road A-23. 1524 Comment
  SEINET8686899  Delphinium andersonii W. Harnach, N. Harnach 1989-5-21 112 Sierra Sierra Valley, 1 mile E of Calpine, Calpine Ranch (home). 1506 Comment
  UCD38327  Delphinium andersonii Beecher Crampton 1954-5-10 1860 Sierra 1.5 miles north of Sattley. Along Hwy. 89. Comment
  CAS-BOT-BC9551  Delphinium andersonii L. S. Smith 1932-5-28 2668 Sierra Dog Valley near Crystal Peak, Tahoe National Forest 1981 Comment
  CAS-BOT-BC8927  Delphinium depauperatum John Thomas Howell; Gordon H. True 1969-6-25 45853 Sierra 3 miles north of Bassetts on road to Gold Lake 1950 Comment
  CAS-BOT-BC8931  Delphinium depauperatum George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  UCR57996  Delphinium depauperatum B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0974 Sierra Plumas National Forest, c. 2.3 mi south of Sierra County Line on Hwy 89, just before boundary of Tahoe National Forest Comment
  CAS-BOT-BC8930  Delphinium depauperatum D. E. Breedlove 1962-6-13 3520 Sierra Along State Hwy. 89, 10. miles south of Sierraville 1950 Comment
  JEPS95140  Delphinium glaucum Lowell Ahart 1996-8-6 7704 Sierra about 5 air mi s of Yuba Pass (along a branch of Long Valley Creek, e side of Yuba Pass-Webber Lake Road (Forest Rte 12)); branch of Long Valley Creek 2225 Comment
  SEINET8688538  Delphinium glaucum P. B. Kennedy, S. B. Doten 1901-7-24 228 Sierra Lincoln Valley. Comment
  CHSC115252  Delphinium gracilentum Lowell Ahart 2015-5-9 20178 Sierra On the south side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  UCD95666  Delphinium gracilentum R. Randell 1996-5-26 25 Sierra Tahoe National Forest, Wild Plum Loop Road, 0.8 miles from Wild Plum Road, 1.25 miles from highway 49. 1500 Comment
  CAS-BOT-BC8786  Delphinium gracilentum Lowell Ahart 1981-6-23 2873 Sierra Near Mt. Etna 2000 Comment
  SEINET8663576  Delphinium nuttallianum W. Harnach, N. Harnach 1990-6-30 451 Sierra Sierra Valley, Yuba Pass. 2042 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-BC116146  Delphinium nuttallianum D. E. Breedlove 1962-6-13 3484 Sierra Along State Hwy. 89, 9.3 miles north of Sierraville. 1524 Comment
  SEINET5338060  Delphinium nuttallianum P. B. Kennedy, Samuel Bradford Doten 1901-7-8 132 Sierra [Sierra Nevada] Webber Lake 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
  SJSU14243  Delphinium nuttallianum N. A. Hopkins 1989-7-4 1563 Sierra below Coburn L, Berry Cr drainage c. 5 mi S of Yuba Pass 2270 Comment
  UCSB16008  Delphinium nuttallianum Breedlove, Dennis 1962-6-13 Sierra along State Highway 89; 10.0 miles south of Sierraville 1950 Comment
  SEINET4566811  Deschampsia cespitosa W. Harnach, N. Harnach 1994-6-29 788 Sierra Carmen Valley (Knutson Meadows) pond, Approx. 2.25 miles NW of Calpine, Sierra Valley 1503 Comment
  UCD61156  Deschampsia cespitosa P. B. Kennedy 1929-7-20 Sierra Salmon Lakes. Comment
  JEPS75575  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1934-8-3 16842 Sierra Pioneer rd. sta. 2 mi. e. of Bassett sta.; N. Fork Yuba R. 1706 Comment
  RSA286321  Deschampsia cespitosa subsp. cespitosa R. F. Thorne 1974-7-30 45050 Sierra Tahoe National Forest: Goose, Haven and Snag Lake areas; shallow, grassy lake E. of highway. 2058 Comment
  UC1131428  Deschampsia danthonioides G. T. Nordstrom 1934-6-28 159 Sierra 1 1/2 mi. w. Bickford Dairy; Tahoe Nat'l Forest, Truckee Quad. Comment
  CHSC53176  Deschampsia elongata L. P. Janeway 1989-8-16 3594 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. Mdw at head of creek. 2133 Comment
  SEINET4567131  Deschampsia elongata P. B. Kennedy, S. B. Doten 1901-7-23 214 Sierra Lincoln Valley Comment
  SEINET4567132  Deschampsia elongata P. B. Kennedy, S. B. Doten 1901-7-23 214 Sierra Lincoln Valley Comment
  UCR249646  Deschampsia elongata George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20774 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  SEINET4567005  Deschampsia elongata J. H. Robertson 1951-7-8 s.n. Sierra [Sierra Nevada] Near Webber Lake on Little Truckee River Comment
  SEINET4567285  Deschampsia elongata J. Robertson 1951-7-8 s.n. Sierra [Sierra Nevada] Near Webber Lake on Little Truckee River Comment
  CAS-BOT-BC39725  Descurainia Catherine Best 1982-7-12 750 Sierra Sierra Nevada. Gold Lake. 1950 Comment
  JEPS88365  Descurainia incana Vernon H. Oswald and Lowell Ahart 1996-8-19 8211 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12 ) 0.6 mi. n. of rd. to Haypress Valley; northern High Sierra Nevada 2225 Comment
  UC1586491  Descurainia incana Lowell Ahart 1991-7-22 6674 Sierra about 3 mi nw Webber Lake (French Meadow, about 0.25 mi s of Henness Pass Road); French Meadow 2133 Comment
  POM308869  Descurainia incana subsp. viscosa Betty J. Jorgensen 1944-6-22 475 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  CAS-BOT-BC402466  Dicentra formosa subsp. formosa H. N. Bolander; Kellogg, M. D. No date on label s.n. Sierra Sierras Comment
  SEINET9292256  Dichelostemma multiflorum Unknown 2009-5-28 14865 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. Occasional, growing up through poison oak on a steep, open, treeless, rocky bank. Comment
  SBBG57628  Dichelostemma multiflorum H. and M. Dearing -- Sierra Aspen Valley {ambiguous locality] Comment
  SEINET7845734 Image available Dieteria canescens S. B. Doten 1901-6-20 s.n. Sierra Near Little Truckee River Comment
  CHSC50821  Dieteria canescens var. canescens Vernon Oswald; Lowell Ahart 1990-7-25 4385 Sierra Ca. 1.5 mi south of Staverville Rd between Balls Ranch and Old Fish Farm. 1950 Comment
  SJSU14027  Dieteria canescens var. canescens N. A. Hopkins 1988-8-9 1454 Sierra Highway 49, about midway between Sattley & Sierraville, Sierra Valley 1505 Comment
  CAS-BOT-BC150494  Diplacus grandiflorus Lester Rowntree 1935-6-15 s.n. Sierra Above [Downiville] Downieville Comment
  CAS-BOT-BC150569  Diplacus grandiflorus Elmer I. Applegate 1934-5-2 8897 Sierra Sierra City Comment
  SBBG92349  Diplacus grandiflorus B. Pitzer, S. Morgan, H. Soldan 1988-5-28 901 Sierra Convict Flat Picnic area, 12 mi NE of Camptonville, on St Hwy 49; on N Yuba River Comment
  SD129533  Diplacus grandiflorus B. Pitzer, S. Morgan & H. Soldan 1988-5-28 901 Sierra Convict Flat Picnic Area, 12 mi. NE of Camptonville, on Hwy 49. On the North Yuba River, roadcut Comment
  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-BC151869  Diplacus mephiticus F. A. Mac Fadden 1934-6-29 12575 Sierra Little Truckee River, 13 miles from Truckee via Hobart Mills Comment
  CAS-BOT-BC384650  Diplacus mephiticus Andrew Townesmith; Karen M. Meyer 2007-7-18 825 Sierra Tahoe National Forest, Sierraville Ranger District. Along Forest Service road 07-30, 0.2 mile west of junction with road 07 1994 Comment
  CHSC109873  Diplacus mephiticus L. P. Janeway; B. Castro 2012-6-16 10881 Sierra Northern High Sierra Nevada. Tip of a short southeastern spur of Gibsonville Ridge, 1.1 km north-northwest of Gibsonville. 1885 Comment
  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
  SJSU12235  Diplacus mephiticus N. A. Hopkins 1982-7-24 1094 Sierra by rd to Babbitt Peak, Bald Mt Range 2651 Comment
  UCD64575  Distichlis spicata Beecher Crampton 1957-7-24 4424 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  UC120926  Distichlis spicata J. G. Lemmon 1874-1 Sierra Sierra Co. California Comment
  CAS-BOT-BC136082  Dodecatheon alpinum R. K. Gierisch; D. H. Esplin 1969-6-25 3500 Sierra Tahoe Forest, Anderson Mdw. 1950 Comment
  CAS-BOT-BC136086  Dodecatheon alpinum D. E. Breedlove 1962-6-13 3523 Sierra Along the Little Truckee River, 10.0 miles south of Sierraville on State Highway 89 - Sierra Nevada 1950 Comment
  RSA517275  Dodecatheon alpinum B. Pitzer, S. Morgan, H. M. Soldan 1988-5-28 976 Sierra Tahoe National Forest, Yuba Pass, on Hwy 49 2043 Comment
  UC1368478  Dodecatheon alpinum R. K. Gierisch 1969-6-25 3500 Sierra Anderson Mdw Tahoe National Forest, Anderson Mdw Comment
  UC338304  Dodecatheon alpinum unknown 1889-6-8 Sierra Gold Lake Comment
  UC66405  Dodecatheon alpinum P. B. Kennedy and S. B. Doten 1901-7-11 150 Sierra creek below Webber Lake; creek below Webber Lake Comment
  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
  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
  JEPS14444  Downingia bacigalupii W. L. Jepson 1918-8-17 8037 Sierra Sierra Valley 1524 Comment
  POM311107  Downingia bacigalupii H. L. Mason 1952-7-17 14384 Sierra 1.5 miles E of Calpine at junction of Calpine with Sierraville-Beckwourth road; Sierra Valley; Sierra Nevada. 1524 Comment
  UCD84081  Downingia bacigalupii 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
  SJSU3183  Downingia bicornuta R. L. Fisher 1958-6-16 Sierra Sierraville, Sierra Valley 1493 Comment
  UCSB9179  Downingia bicornuta Bacigalupi, Rimo 1953-7-7 Sierra Just 1 mile east of Capine, Sierra Valley 1493 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
  SEINET12283534  Downingia elegans J. G. Lemmon 1874-1 136 Sierra Comment
  SJSU12011  Downingia elegans N. A. Hopkins 1976-6-22 839 Sierra c. 0.5 mi NE of Sattley, Sierra Valley 1493 Comment
  UCSB9181  Downingia elegans Bacigalupi, Rimo; Mason, H.; Sweeney, J. 1953-7-7 Sierra Roadside ditch, west side of Sierra Valley, along road from Sattley to Beckwourth, about 1 mile south of junction westward to Calpine Comment
  SJSU4143  Draba verna C. W. Sharsmith & W. Savage 1967-5-21 7535 Sierra 2.5 mi NE of Sierraville, Sierra Valley 1524 Comment
  UCD167590  Draperia systyla Chuck Hughes 2016-6-15 462 Sierra Along the west side of Plumbago Road, on the north side of Kanaka Creek. 1155 Comment
  CAS-BOT-BC401529  Drosera rotundifolia Kasper Pischel 1927-8-1 s.n. Sierra Salmon Lake Comment
  POM33915  Drymocallis glandulosa C. C. Bruce s.n. Sierra Near Sierra Comment
  SEINET6689750  Drymocallis glandulosa var. glandulosa P. A. Lehenbauer 1937-6-8 61 Sierra 25 miles west of Reno, NV; on Truckee river at Iceland, S side of river by falls. 1676 Comment
  CAS-BOT-BC383091  Drymocallis glandulosa var. reflexa Andrew Townesmith; Karen M. Meyer 2007-7-16 816 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 1.1 miles west of junction with county road 860 1916 Comment
  SJSU13871  Drymocallis glandulosa var. reflexa N. A. Hopkins 1985-7-3 1287 Sierra between Sierraville & Lemon Valley c. 2 mi E of Sierraville Comment
  UC54353  Drymocallis lactea H. M. Hall and E. B. Babcock July 1903 4499 Sierra Gold Lake Sierra Nevada Mountains 1950 Comment
  JEPS124760 Image available Dudleya cymosa Joe Ammirati 1964-6-25 121 Sierra ca. 1 mi. w. of Downieville on HW 49, on road side. Comment
  SJSU12020  Dudleya farinosa N. A. Hopkins 1975-6-16 665 Sierra by trail above Pauley Cr between 2nd & 3d Divides 1158 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
  CHSC47673  Dysphania pumilio Lowell Ahart 1989-8-16 6379 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir. 1706 Comment
  CDA2013  Echinochloa crus-galli T. C. Fuller 1976-10-12 20168 Sierra North side of Hwy 49, 1.6 km. east of Goodyear s Creek Road, 6 km. west of Downieville. 0 Comment
  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
  UC1112283  Elatine brachysperma Herbert L. Mason 1952-7-19 14448 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth Rd); Sierra Nevada, Sierra Valley Comment
  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-BC27346  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
  UC985952 Image available Elatine heterandra Herbert L. Mason 1952-7-19 14450 Sierra 1.5 mi e Calpine (at junction of Calpine with Sierraville-Beckwourth road); Sierra Nevada, Sierra Valley; near Calpine, Sierra Valley 1524 Comment
  CHSC41001  Eleocharis J. D. Jokerst 1984-7-23 2107 Sierra North of Haypress Creek ca. 200 feet (several miles east of Sierra City). 1767 Comment
  CAS-BOT-BC113420  Eleocharis bella Catherine Best 1982-7-10 708 Sierra Near the Little Truckee River about 15 mi NW of Truckee. Comment
  SJSU12094  Eleocharis bella N. A. Hopkins 1974-8-6 614 Sierra 0.25 mi W of Packer Lake 1950 Comment
  JEPS98300  Eleocharis decumbens Lowell Ahart 2000-7-13 8587 Sierra In a small boggy meadow, on a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany. 1615 Comment
  JEPS113957  Eleocharis macrostachya W. and N. Harnach 2000-8-23 983 Sierra Sierra Valley 1.5 miles west of Sierraville, CA on Highway 49. Comment
  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
  JEPS19420  Eleocharis palustris W. L. Jepson 1918-8-18 8044 Sierra Sierra Valley 1524 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
  POM297937  Eleocharis radicans J. G. Lemmon 1874-1 219 Sierra [No locality information provided] Comment
  SEINET3441889  Eleocharis suksdorfiana Unknown 2000-7-13 8588 Sierra Scenery Gulch, Scenery Gulch, about 6.5 miles south of Moffat County line, county road 142, off State highway 64 1610 Comment
  SEINET13711185  Elodea canadensis Lowell William Ahart, Lowell William Ahart 2001-1 9085 Sierra Little Truckee River Near Diversion Dam, about 5 Mi. W of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft. 1920 Comment
  CAS-BOT-BC231516  Elymus Ayzik Solomeshch 2009-6-8 s.n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  CAS-BOT-BC227904  Elymus elymoides W. Harnach; N. Harnach 1990-6-30 430 Sierra Sierra Valley. Yuba Pass 2042 Comment
  UCD61490  Elymus elymoides A. A. Beetle 1944-8-17 3049 Sierra 5 miles northeast of Sierraville. Comment
  SEINET10564683  Elymus elymoides Lowell Ahart 1982-7-28 Ahart 3704 Sierra On dry rocky bare soil, ca. 1/4 mile N of Pacific Mine, ca. 5 mile E of La Porte. 1700 Comment
  CHSC112129  Elymus elymoides var. californicus L. P. Janeway 2014-6-23 11401 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Grove Creek, just north of Pine Grove Cemetery, 1.3 air-km west-northweat of Howland Flat. 1646 Comment
  SJSU12125  Elymus glaucus N. A. Hopkins 1974-8-5 597 Sierra near Deer Lake Trail N of Packer Lake 1828 Comment
  UCD62535  Elymus repens Beecher Crampton 1957-7-24 4407 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  JEPS75579  Elymus trachycaulus W. L. Jepson 1934-8-7 16869 Sierra near Sierraville; Cold Creek Comment
  CAS-BOT-BC165931  Epilobium W. Harnach; N. Harnach 1990-6-30 441 Sierra Sierra Valley. Yuba Pass 2042 Comment
  JEPS43876  Epilobium anagallidifolium L. S. Smith 1928-1 2436 Sierra summit Tahoe <National> Forest, Yuba Pass 2042 Comment
  CHSC57431  Epilobium brachycarpum L. P. Janeway 1984-9-1 1110 Sierra Sierra crest, just above and east of Oakland Lake and Snake Lake. 2270 Comment
  SEINET3560726 Image available Epilobium brevistylum Lewis S. Rose 1934-7-2 32302 Sierra Gold Lake. 1951 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-BC171806  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1920-9-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC171813  Epilobium canum subsp. latifolium H. Albert Barker 1926-7-10 99 Sierra Indian Rocks (Inspirations) near Hawley Lake 1950 Comment
  CAS-BOT-BC5260  Epilobium canum subsp. latifolium Mrs. E. C. Sutliffe 1920-9-1 s.n. Sierra Salmon Lake Comment
  POM145500  Epilobium canum subsp. latifolium Kasper Pischel 1927-08 s.n. Sierra Salmon Lake. Comment
  CHSC80955  Epilobium densiflorum Lowell Ahart 2001-8-10 9082 Sierra On the west side of the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  UC1562334  Epilobium densiflorum Vernon Oswald and Lowell Ahart 1990-7-25 4388 Sierra ca 0.25 mi s Staverville Rd. (ca 1 mi w of Balls Ranch, along edge of shallow impoundment) 1935 Comment
  JEPS124832 Image available Epilobium densiflorum Marge Kempf 1965-7-6 263 Sierra In sierra Calley 1/4 mile from HWY 89 on the Calpine Beckworth Rd. Growing on the east side of the road. Comment
  RSA176440  Epilobium glaberrimum subsp. glaberrimum Peter H. Raven 1964-6-30 19612 Sierra Along the canyon of the North Fork of the Yuba River, 4.6 miles east of Downieville on State Highway 49 Comment
  UC1586483  Epilobium hallianum Lowell Ahart 1991-7-22 6697 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  OBI48649  Epilobium hallianum Lewis S. Rose 2013-7-2 34302 Sierra Gold Lake Comment
  SEINET12861904  Epilobium hallianum P. B. Kennedy, S. B. Doten 1901-7-5 91 Sierra [Sierra Nevada] spring near Webber Lake Comment
  UCSB27414  Epilobium minutum Kunze, G. 1971-6-6 Sierra California 49, 3 miles north of North San Juan 1371 Comment
  SEINET12424531  Epilobium oregonense W. Harnach, N. Harnach 1990-6-30 428 Sierra Sierra Valley, Yuba Pass. 2042 Comment
  SEINET12074419  Epipactis gigantea J. G. Lemmon 1874-1 213 Sierra no further locality Comment
  CAS-BOT-BC57032  Equisetum arvense G. L. Smith 1959-6-19 1200 Sierra Clark Sta., 3 mi. below Yuba Pass, David Snyder summer home 1889 Comment
  CAS-BOT-BC57033  Equisetum arvense John Thomas Howell 1969-9-13 46110 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CAS-BOT-BC57031  Equisetum arvense J. H. Hatton 1912-9-15 H- 49 Sierra Sierra National Forest, Blaney Meadows 2255 Comment
  CAS-BOT-BC57848  Equisetum laevigatum Alice Eastwood 1918-6-29 7805 Sierra Loyalton. Comment
  SEINET6031306  Equisetum laevigatum P. Lehenbauer 1937-6-8 99 Sierra 25 miles west of Reno on Truckee River at Iceland, south side of river by falls 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-BC481930  Eremogone congesta var. crassula W. Harnach; N. Harnach 1989-5-21 107 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  SEINET8821623  Eremogone congesta var. subcongesta W. Harnach, N. Harnach 1989-5-5 058 Sierra Sierra Valley, Approx 5 N of Sierraville on Hwy 49, Newman Point. 1524 Comment
  SJSU5006  Eremogone congesta var. suffrutescens N. A. Hopkins 1968-6-28 132 Sierra Packer L 1950 Comment
  CAS-BOT-BC174311  Eremogone congesta var. suffrutescens Lewis S. Rose 1963-6-4 63129 Sierra Sierra Valley, 1.5 mi e of Calpine 1493 Comment
  CAS-BOT-BC286690  Ericameria bloomeri L. P. Janeway; Garrett Gibson 1991-9-24 4144 Sierra Plumas National Forest, Beckwourth Ranger District. Upper reach of a tributary of Sulphur Creek, 1 mi east of Chapman Saddle and 2 3/4 mi east of Haskell Peak and 1 mi north of Beartrap Meadow 2103 Comment
  CAS-BOT-BC286691  Ericameria bloomeri L. P. Janeway; Garrett Gibson 1991-9-8 4141 Sierra Plumas National Forest, Beckwourth Ranger District. 1 1/2 mi east of Mills Peak, above Mohawk Valley 1905 Comment
  JEPS31329  Ericameria bloomeri W. L. Jepson 1934-8-7 16877 Sierra Onion Valley Comment
  SJSU12101  Ericameria bloomeri N. A. Hopkins 1982-10-4 1122 Sierra NW side Sierra Valley 1493 Comment
  CHSC44870  Ericameria cuneata Lowell Ahart 1973-10-9 274 Sierra Cliffs, a dangerous place overlooking the Middle Fork of the Yuba River, about 2 air miles west of Milton Dam. 2042 Comment
  CAS-BOT-BC292392  Ericameria nauseosa M. S. Taylor 1981-8-19 4225 Sierra S side of 23N10G, ca 0.5 mile E of its junction with spur road 23N10G, ca 5 air miles W of Sloat 1615 Comment
  UC1119773  Ericameria nauseosa var. oreophila A. Lewis 1934-11-5 542 Sierra 6 mi nw of Loyalton; Sierraville Quad. 1493 Comment
  CAS-BOT-BC299459  Ericameria nauseosa var. speciosa Roxana S. Ferris 1926-9-7 6840 Sierra Site of old town of Silver Mountain Comment
  CAS-BOT-BC299460  Ericameria nauseosa var. speciosa Roxana S. Ferris 1926-9-7 6841 Sierra Ebbett Pass Road, site of old town of Silver Mountain Comment
  CAS-BOT-BC299461  Ericameria nauseosa var. speciosa John Thomas Howell 1951-8-21 28238 Sierra Sierra - Plumas Co. line on road from Blairsden to Calpine, Sierra Nevada 1524 Comment
  CHSC115922  Ericameria nauseosa var. speciosa L. P. Janeway 2015-8-26 11854 Sierra Northern High Sierra Nevada. Plumas National Forest; north slope of Sawmill Ridge overlooking Slate Creek; along Road 800 about 1.2 road-km southwest of Gibsonville-Johnsville Road. 1789 Comment
  JEPS19371  Ericameria nauseosa var. speciosa R. C. Wilson 1938-8-9 649 Sierra Long Valley Sierraville 1341 Comment
  UCD22407  Ericameria parryi L. Allen, A. M. Shapiro 2001-8-1 s.n. Sierra Wallace (Torri) Ranch. About 1.5 miles NNE of Sierraville. Sagebrush-shrub steppe. 1493 Comment
  CAS-BOT-BC293018  Ericameria parryi var. nevadensis W. R. Dudley 1909-8-29 s.n. Sierra Sierra Valley Comment
  JEPS21531  Ericameria parryi var. nevadensis C. F. Sonne 1888-7-1 462 Sierra near Verdi (Cal.-Nev. line); Sierra Nevada Mountains Comment
  UCD22396  Ericameria parryi var. vulcanica Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1318 Sierra Along Hwy 49 NE of the town of Sierraville, ca. 2 road miles from town. Roadside. 1524 Comment
  CAS-BOT-BC205244  Erigeron bloomeri var. bloomeri James R. Shevock; Barbara Ertter 1986-6-1 11533 Sierra Northern Sierra Nevada. Toiyabe National Forest. Dog Valley, 6.8 miles west of Verdi adjacent to the Forest Service Guard Station 1800 Comment
  CHSC67462  Erigeron bloomeri var. bloomeri James D. Jokerst 1989-7-14 3139 A Sierra Opening in forest ca. 0.5 mi SW of Balls Ranch. 1920 Comment
  SJSU12089  Erigeron bloomeri var. bloomeri N. A. Hopkins 1971-6-14 380 Sierra Sierra Valley Airfield ca. 1 mile SE of Sierraville, Sierra Valley 1524 Comment
  CAS-BOT-BC297150  Erigeron concinnus var. concinnus A. A. Heller; P. B. Kennedy 1907-7-1 8664 Sierra Purdy Comment
  UCD63695  Erigeron coulteri Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Sierra Forest City. Granite Mountain. Tahoe National Forest. Banner Mine Road to Harris Meadows. 1820 Comment
  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
  UCR257649  Erigeron divergens George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19495 Sierra Northern Sierra Nevada Mountains, Stampede Dam Road, 1.7 miles north of the Nevada County line, just east of Stampede Reservoir 1770 Comment
  CAS-BOT-BC296818  Erigeron divergens Catherine Best 1984-6-19 997 Sierra Sierra Valley on Hwy. #23 about 3 miles north of Saltley, Sierra Nevada Comment
  CHSC60599  Erigeron glacialis var. glacialis L. P. Janeway 1989-8-11 3578 Sierra Plumas National Forest. Northeast flank of Haskell Peak and ca 3/4 mi northwest of Chapman saddle. Slope above creek. 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
  CHSC61782  Erigeron glacialis var. glacialis Lowell Ahart 1993-9-10 7223 Sierra On the north side of Mount Fillmore, about 1 1/2 miles south of the dirt road from Gibsonville to Johnsville. 2255 Comment
  CAS-BOT-BC295148  Erigeron inornatus Margaret Williams 1972-8-27 s.n. Sierra Merrill Valley just north of Stampede Dam 2011 Comment
  CAS-BOT-BC295150  Erigeron inornatus A. R. Kruckeberg 1954-8-1 3662 Sierra Along Highway 49, 3 miles e. of Yuba Pass. Tahoe N.F. Comment
  CHSC53130  Erigeron inornatus var. inornatus l. P. Janeway 1989-8-24 3636 Sierra Plumas National Forest. E end of McNair Mdw; ca 1 mi W of Calpine L.O. 1661 Comment
  CHSC69472  Erigeron inornatus var. inornatus James D. Jokerst 1986-6-19 2647 Sierra Turner property, S end of Sierra Valley, E and adjacent to Hwy. 49 ca. 1 mi NW of junction with Hwy. 89. Knoll 5442. 1658 Comment
  CHSC74066  Erigeron inornatus var. inornatus B. Castro; L. Gehrung 1998-8-5 821 Sierra Ca 2.5 air mi SE of La Porte near Queen City, 1.8 rd mi E of the Slate Creek crossing, on Co. Rd 791 as it parallels Pat's Gulch. S edge of road. 1478 Comment
  UC1118160  Erigeron inornatus var. inornatus N. H. French 1934-7-24 536 Sierra 1 mi ese of Webber Lake; Tahoe National Forest, Truckee Quadrangle 2133 Comment
  UC177077  Erigeron inornatus var. inornatus J. G. Lemmon 1875-1 Sierra Comment
  CAS-BOT-BC295474  Erigeron lassenianus var. lassenianus Mrs. H. C. Cantelow 1938-7-2 s.n. Sierra 4 1/2 miles nw. of Calpine Comment
  CHSC37223  Erigeron miser L. Ahart 1982-7-28 3699 Sierra Cliffs, ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  SEINET11850865  Erigeron nevadincola J. G. Lemmon 1874-1 105 Sierra Sierra Co. &c Comment
  CAS-BOT-BC295783  Erigeron petrophilus var. sierrensis Margaret Williams; Arnold Tiehm 1974-8-17 74 /5/55 Sierra Verdi Ridge, Verdi Range Comment
  JEPS41436  Erigeron petrophilus var. viscidulus J. G. Lemmon 1883-7-1 Sierra Sierra Valley Comment
  UC176510  Erigeron pumilus var. intermedius A. A. Heller and P. B. Kennedy 1907-7-1 8664 Sierra Purdy Comment
  JEPS87625  Erigeron reductus var. reductus Lowell Ahart 1994-7-1 7432 Sierra n side of Henness Pass Rd. e Keystone Mt. (about 1 1/2 mi ne of Middlewaters, about 11 air mi ne of Alleghany, s of larger pond); Keystone Gap 1889 Comment
  CAS-BOT-BC300265  Erigeron reductus var. reductus Lowell Ahart 1975-8-17 s.n. Sierra 3 miles W and 1/2 mile S of Webber Lake Comment
  UC1124278  Eriodictyon californicum A. Lewis 1934-8-9 529 Sierra 1/4 mi e Sierra City; Tahoe National Forest, Downieville Quad. Comment
  CAS-BOT-BC255407  Eriogonum Kit Miller 1967-8-1 3332 Sierra Unspecified except for elevation and Township/Range 2560 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
  SJSU11990  Eriogonum elatum var. villosum N. A. Hopkins 1984-8-26 1241 Sierra 2 mi S of Calpine, Sierra Valley 1524 Comment
  CAS-BOT-BC259362  Eriogonum lobbii Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  SEINET527222  Eriogonum marifolium Paul Opler 2004-6-22 Sierra Tahoe National Forest: Lincoln Meadow, west slope of east moraine. 4 miles S of yuba Pass summit. Comment
  SJSU13893  Eriogonum marifolium N. A. Hopkins 1986-6-30 1347 Sierra on a bald ridge 2158 Comment
  UCD100397  Eriogonum marifolium Gladys L. Smith 1959-6-20 1240 Sierra north of Gold Lake. 1981 Comment
  CAS-BOT-BC267384  Eriogonum marifolium var. marifolium Lewis S. Rose 1934-7-12 34353 Sierra Gold Lake 1950 Comment
  CHSC109874  Eriogonum marifolium var. marifolium L. P. Janeway; B. Castro 2012-6-16 10875 Sierra Northern High Sierra Nevada. Plumas National Forest; top of Mt. Ararat, 6.5 km southeast of Bucks Lake. 1885 Comment
  CHSC45847  Eriogonum marifolium var. marifolium Lowell Ahart 1977-8-2 1520 Sierra On the ridge on the west side of Mount Fillmore, near the summit, about 12 miles north-east of la Porte. 2194 Comment
  CAS-BOT-BC260784  Eriogonum nudum var. deductum Lewis S. Rose 1934-7-5 34320 Sierra Gold Lake 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
  CHSC69185  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1997-8-19 8830 Sierra Mountain House Rd. (Sierra Co. 300) 1.1 mi southwest of the town of Forest (between Goodyears Bar and Alleghany). 1417 Comment
  JEPS125826  Eriogonum nudum var. nudum William Harnach 2014-6-14 1390 Sierra Townsite of Calpine on hillside behind 208 Coates Ave. Comment
  SEINET530767  Eriogonum nudum var. nudum Paul Opler 2007-7-1 Sierra Tahoe National Forest, Packer Lake Rd., Packer Campground. Comment
  UCR249161  Eriogonum nudum var. oblongifolium George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20792 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  UCR54299  Eriogonum nudum var. pubiflorum B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-26 0900 Sierra Convict Flat Picnic Area, 12 mi NE of Camptonville, on Hwy 49. On N Yuba River 760 Comment
  SEINET3813822 Image available Eriogonum spergulinum Lewis S. Rose 1934-7-4 34317 Sierra Gold Lake. 1951 Comment
  CAS-BOT-BC269962  Eriogonum spergulinum var. reddingianum Catherine Best 1981-6-17 s.n. Sierra Hwy 89, 12 miles north of Truckee Comment
  CHSC45850  Eriogonum spergulinum var. reddingianum Lowell Ahart 1975-8-17 950 Sierra In Jones Valley, about 3 miles west and 2 miles south of Webber Lake. 2286 Comment
  CHSC47684  Eriogonum spergulinum var. reddingianum Lowell Ahart 1989-8-16 6375 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir. 1706 Comment
  UC1561818  Eriogonum spergulinum var. reddingianum Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7216 Sierra ca. 1.5 mi e on Tahoe Nat'l For. Rd. S450 Hwy. 89 (upper end of Kyburz Flat n of road, head of Little Truckee River, ca. 12 air mi n of Truckee); Little Truckee River, Kyburz Flat 1920 Comment
  CAS-BOT-BC269966  Eriogonum spergulinum var. reddingianum Gladys L. Smith 1959-6-20 1246 Sierra On road betw. Gold Lake and Feather River Highway, at Plumas - Sierra county line 1981 Comment
  SEINET5331607  Eriogonum spergulinum var. reddingianum W. D. Billings 1951-7-20 2130 Sierra S. end of Lincoln Valley. 2195 Comment
  CDA11889  Eriogonum strictum var. anserinum G. F. Hrusa, J. Jokerst 1991-7-5 8553 A Sierra Sierra Valley Region; Antelope Valley. E side. Comment
  SEINET8655766  Eriogonum strictum var. proliferum W. Harnach 2014-5-30 1388 Sierra 1.2 miles west of the Hwy 49-89 junction in Sierraville on road to Sattley. 1509 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
  CAS-BOT-BC267926  Eriogonum umbellatum W. Harnach; N. Harnach 1990-6-10 355 Sierra Sierra Valley. Balderson Ranch (Antelope Valley) 1645 Comment
  CHSC107893  Eriogonum umbellatum var. modocense L. P. Janeway 2011-9-15 10731 Sierra Northern High Sierra Nevada. Plumas National Forest; at head of East Branch Slate Creek; along the road to Johnsville (Road 900; Road 22N12X) 7.7 road km east of Quincy-La Porte road; 0.8 air km west-northwest of Mt. Etna. 1948 Comment
  CAS-BOT-BC262086  Eriogonum umbellatum var. nevadense Alice Eastwood 1918-6-29 7873 Sierra Loyalton Comment
  CAS-BOT-BC262090  Eriogonum umbellatum var. nevadense H. Albert Barker 1926-7-8 78 b Sierra Gold Lake Ridge - summit Comment
  CHSC67685  Eriogonum umbellatum var. nevadense James D. Jokerst 1990-7-27 3209 Sierra Balls Ranch Surveys for Jones and Stokes. E face of Bald Mtn. Range. 2484 Comment
  JEPS125781  Eriogonum umbellatum var. nevadense William Harnach 2015-5-31 1418 Sierra 0.3 miles NE of the intersection of Highway 49 and County Road A-23 at Sattley. Comment
  POM148084  Eriogonum umbellatum var. nevadense George Haley 1927-8-6 s.n. Sierra Weber Lake. Comment
  SEINET3412089 Image available Eriogonum umbellatum var. nevadense S. B. Doten, P. B. Kennedy 1901-7-12 154 Sierra Webber Lake Comment
  SEINET5331913  Eriogonum umbellatum var. nevadense W. Harnach, N. Harnach 1990-6-10 355 Sierra West of Loyalton, Balderson Ranch (Antelope Valley). 1646 Comment
  SEINET8584704  Eriogonum umbellatum var. nevadense W. Harnach 2015-5-31 1418 Sierra 0.3 miles NE of the intersection of Hwy 49 and Co. Rd. A-23 at Sattley. 1502 Comment
  UC1032278  Eriogonum umbellatum var. nevadense G. T. Nordstrom 1936-7-9 911 Sierra 2 1/4 mi nnw Dog Valley; Sierraville Quadrangle Comment
  UC585236  Eriogonum umbellatum var. nevadense E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1622 Sierra on road to Loyalton about 3 1/2 mi ne Sierraville (Newman point, se edge of Sierra Valley); Sierra Valley, Newman point 1600 Comment
  SEINET11935017  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-1 4883 Sierra Btw Hwy 89 & Little Truckee River,ca 1/4 mi N of Little Truckee Campground,ca 12mi SW of Sierraville Comment
  UC161873  Eriogonum umbellatum var. nevadense J. G. Lemmon 1874-1 200 Sierra Comment
  CHSC69189  Eriogonum umbellatum var. polyanthum Vernon Oswald; Lowell Ahart 1997-8-19 8825 Sierra Mountain House Rd. (County Rd. 300) 1.3 mi south of its junction with Henness Pass Rd. (Sierra Co. 293), 7.6 mi south of Goodyears Bar. 1402 Comment
  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
  CAS-BOT-BC262286  Eriogonum ursinum G. L. Stebbins 1970-7-25 7074 Sierra Northwest ridge of Mount Fillmore 1950 Comment
  CAS-BOT-BC262290  Eriogonum ursinum H. Albert Barker 1926-7-8 78 Sierra Gold Lake Ridge, summit Comment
  CAS-BOT-BC262291  Eriogonum ursinum Lewis S. Rose 1934-7-10 34348 Sierra W. of Gold Lake 2133 Comment
  HSC96989  Eriogonum ursinum L. Ahart 2006-6-28 12884 Sierra .75 air mi. E of Lake Delahunty, 2 air mi. NE of Gibsonville 1904 Comment
  JEPS108829  Eriogonum ursinum Lowell Ahart 2006-6-28 12884 Sierra On the south slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1903 Comment
  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
  RSA719209  Eriogonum ursinum L. Ahart 2006-6-21 12836 Sierra About 2.5 mi. (by boat) west of forest. 1398 Comment
Read comments
Dec 3 2012
  SJSU14056  Eriogonum ursinum W. Savage 1964-7-5 334 Sierra 4 mi SW of Downieville near Goodyears Bar 975 Comment
  CHSC41115  Eriogonum vimineum J. D. Jokerst 1985-7-22 2544 Sierra Sierra Valley in small triangle of undisturbed land NW of and adjacent to junction of Westside Rd and Calpine Rd. 1493 Comment
  UC1032308  Eriogonum vimineum G. T. Nordstrom 1936-7-13 934 Sierra 1.8 mi se Dog Valley; Tahoe National Forest, Sierraville Quadrangle Comment
  SCFS2087  Eriogonum vimineum M. Wheelis 1964-6-25 86 Sierra 4 mi W of Downieville, Hwy 49 823 Comment
  JEPS19988  Eriophorum gracile W. L. Jepson 1909-8-2 16809 Sierra 2 mi. e. Bassett Station (Pioneer Rd. Station); N. Fork Yuba R., Pioneer Rd. Station 1706 Comment
  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
  SBBG129059  Eriophyllum lanatum var. achilleoides G. K. Helmkamp, E. A. Helmkamp 2013-6-5 20793 Sierra CA-49, 1.9 mi NE of the Yuba County line, NE of Camptonville 796 Comment
  SBBG8175  Eriophyllum lanatum var. croceum H. and M. Dearing 1939-5-9 3311 Sierra above Downieville 1052 Comment
  UC567169  Eriophyllum lanatum var. croceum A. Lewis 1934-8-5 527 Sierra 4.5 mi w Sierra City; Downieville Quad. 1066 Comment
  UCD40148  Eriophyllum lanatum var. croceum Rodney Gale Myatt 1971-7-3 1560 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  LA83351  Eriophyllum lanatum var. grandiflorum O. H. Kappler; 1946-7-20 1339 Sierra N Fork, Yuba River 822 Comment
  RSA122465  Eriophyllum lanatum var. grandiflorum A. Lewis 1934-8-5 527 Sierra 4.5 miles west of Sierra City 1067 Comment
  CAS-BOT-BC308276  Eriophyllum lanatum var. integrifolium W. Harnach; N. Harnach 1990-6-10 354 Sierra Balderson Ranch, Antelope Valley 1524 Comment
  SEINET8687338 Image available Eriophyllum lanatum var. integrifolium W. Harnach, N. Harnach 1990-6-10 354 Sierra Sierra Valley, W of Loyalton, Balderson Ranch (Antelope Valley) 1524 Comment
  UCR18716  Eriophyllum lanatum var. integrifolium Frank C. Vasek 1975-7-10 750710- 03 Sierra Sierra Nevada Mtns, about 15 miles north of Truckee Ranger Station [via Hwy 89], on Hennes Pass Rd. 1.5 miles west of State Hwy 89 1950 Comment
  SEINET8673916  Eryngium alismifolium Unknown 1958-7-14 5009 Sierra along Heriot Lane, 3 miles from its junction with Highway 49, Sierra Valley 1372 Comment
  SEINET12005813  Erysimum asperum J. G. Lemmon 1874-1 11 Sierra Sierra Co., &c Comment
  UCR53699  Erysimum capitatum B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-27 0873 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
  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
  SEINET5342724  Erysimum capitatum var. capitatum H. Hamlin s.n. Sierra Sierra Valley Comment
  SJSU12071  Erythranthe bicolor N. A. Hopkins 1975-7-24 712 Sierra near Forest by rd to Alleghaney 1219 Comment
  CHSC52840  Erythranthe breweri L. P. Janeway 1984-7-29 946 Sierra Ridgetop saddle area near USFS Rd 28 (21N11) ca 3 1/2 mi from Gold Lake. 2225 Comment
  CHSC61880  Erythranthe breweri Lowell Ahart 1993-9-10 7177 Sierra On the west side and near the end of a poor dirt road that leads to a camp and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonille to Johnsville. 2133 Comment
  SEINET14196959  Erythranthe breweri P. B. Kennedy, S. B. Doten 1901-7-8 121 Sierra N of Webber Lake. 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
  SEINET14291753  Erythranthe guttata P. B. Kennedy, S. B. Doten 1901-7-8 118 Sierra Hillsides N of Webber Lake. Comment
  SEINET14291773  Erythranthe guttata P. B. Kennedy, S. B. Doten 1901-7-8 106 Sierra Falls below Webber Lake. Comment
  SEINET14349469  Erythranthe moschata W. Harnach, N. Harnach 1991-7-14 638 Sierra Coburn Lake, ca 0.25 mile below outlet to lake. 2280 Comment
  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
  SJSU12212  Erythranthe primuloides N. A. Hopkins 1981-6-28 1026 Sierra near Packer L 1950 Comment
  CAS-BOT-BC502814  Erythronium purpurascens Vincent Jones 1920-5-25 s.n. Sierra Cedar Glen Comment
Read comments
Mar 18 2018
  SEINET5339930  Eschscholzia californica I. LaRivers 1960-6-22 s.n. Sierra Verdi Comment
  CAS-BOT-BC310396  Eucephalus breweri George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  CAS-BOT-BC310400  Eucephalus breweri Rimo Bacigalupi; L. Constance; E. Nasir 1953-9-9 4358 Sierra Sierra & Nevada County boundary. Along forest road between Webber Lake and Meadow Lake, Tahoe National Forest, very close to the county line 2133 Comment
  JEPS117436  Eucephalus breweri Lowell Ahart 2010-9-15 17161 Sierra Open areas, around trees, about 20 yards southeast of the cabin, about 20 yards southeast of the upper pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  CHSC115254  Euphorbia crenulata Lowell Ahart 2015-5-9 20179 Sierra On the south side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, about 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. 716 Comment
  CAS-BOT-BC310549  Eurybia integrifolia George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  JEPS31880  Eurybia integrifolia W. L. Jepson 1896-8-26 Sierra Dog Valley, just w of Reno, Nevada Comment
  UCD66171  Festuca occidentalis Collector Unknown Date Unknown 5449 Sierra Sierra Valley. Comment
  CAS-BOT-BC278916  Festuca ovina Catherine Best 1981-6-18 s.n. Sierra At Yuba Summit Comment
  SJSU12256  Festuca viridula N. A. Hopkins 1974-8-5 594 Sierra near Packer Lake 1898 Comment
  SD22843  Frangula purshiana Carl B. Wolf 1937-8-6 9048 Sierra Northern Sierra Nevada, No. fork of Yuba River, 5 mi. above Downieville 1067 Comment
  UCD40151  Frangula rubra Rodney Gale Myatt 1971-7-3 1551 -a Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  UCD82698  Frangula rubra Rodney Gale Myatt 1971-7-3 1551 -b Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  SJSU5528  Fritillaria atropurpurea N. A. Hopkins 1970-6-11 323 Sierra NE of Packer Lake 1828 Comment
  UC197198  Fritillaria pudica C. F. Sonne 1889-4-21 Sierra Sierra Nevada Mountains, Dog Valley Dog Valley; Sierra Nevada Mountains, Dog Valley Comment
  CAS-BOT-BC508132  Fritillaria recurva William Vortriede 1928-4-15 s.n. Sierra Downieville Comment
  CHSC94150  Galium aparine Lowell Ahart 2006-6-21 12826 Sierra On the north side of the road, about 2 miles (by road) west of Forest. 1329 Comment
  SEINET11298743  Galium aparine W. Harnach, N. Harnach 1991-6-1 541 Sierra Sierra Valley, Sierraville, W end of Willow St., Maddallena Ranch 1524 Comment
  CHSC67131  Galium multiflorum James D. Jokerst 1990-7-27 3162 Sierra Balls Ranch Surveys for Jones and Stokes. Burma Summit, 6 mi SE of Loyalton. 2468 Comment
  UCD40305  Galium nuttallii Rodney Gale Myatt 1971-7-3 812 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  SEINET13711142  Galium trifidum subsp. subbiflorum Lowell William Ahart, Lowell William Ahart 2001-1 9091 Sierra Near Diversion Dam across Little Truckee River along Fiberboard Road about 5 Mi. E of Weber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft. 1920 Comment
  CAS-BOT-BC182240  Garrya fremontii Alice Eastwood 1918-4-6 6759 Sierra Downieville Comment
  CAS-BOT-BC182241  Garrya fremontii Alice Eastwood 1918-4-6 6758 Sierra Downieville Comment
  CHSC43344  Garrya fremontii Lowell Ahart 1977-4-20 1316 Sierra About 5 miles north-east of Alleghany. 1371 Comment
  UC876014  Garrya fremontii Alice Eastwood 1918-4-5 6769 Sierra Downieville Comment
  UCD121125  Garrya fremontii Gerald Dickinson 1963-6-26 39 Sierra 1/4 mile west of Sand Pond. 1783 Comment
  UCD121155  Garrya fremontii P. B. Schultz 1967-6-30 34 Sierra 50 yards north of Sand Pond, near Sardine Lake. 1524 Comment
  UCD121159  Garrya fremontii T. I. Storer 1929-6-21 2029 Sierra 5 mi. from Gold Lake. 1524 Comment
  JEPS66598  Gaultheria ovatifolia C. B. Bradley July 1920 Sierra Scales Diggings near Poverty Flat ([Poverty Hill = nw corner of county]); Scales Diggings Comment
  CHSC46125  Gayophytum Lowell Ahart 1983-10-27 4493 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadow Reservoir, about 1 mile south of Pass Creek. 2011 Comment
  POM316637  Gayophytum Patricia Wilder 1965-10-1 4254 Sierra About 5 miles south and east of Sierraville, Sierra Nevada Mt. Range, Truckee River drainage area 1220 Comment
  SEINET12189442  Gayophytum diffusum J. G. Lemmon 1874-1 85 Sierra Comment
  CHSC52940  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1989-8-16 3587 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. 2133 Comment
  JEPS27495  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1934-8-2 16801 Sierra 2 mi e Bassett sta.; North Fork Yuba River, Pioneer road sta. 1706 Comment
  SJSU14278  Gayophytum diffusum subsp. parviflorum N. A. Hopkins 1989-6-15 1538 Sierra c. 1.5 mi SW of Calpine, Sierra Valley 1524 Comment
  UCD40242  Gayophytum diffusum subsp. parviflorum Rodney Gale Myatt 1972-6-1 1583 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  JEPS117253  Gayophytum heterozygum Lowell Ahart 2010-9-15 17163 Sierra Open areas around trees, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  UCD169815  Gayophytum heterozygum Lowell Ahart 2010-9-15 17163 Sierra About 20 yards northwest of cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  UC66113  Gayophytum heterozygum P. B. Kennedy 1901-7-20 200 Sierra Lincoln Valley Comment
  CHSC28715  Gayophytum humile Robert A. Schlising; Coleta Lawler 1979-8-24 3481 Sierra NE of Downieville at Upper Salmon Lake. At roadside near roads end at lake. 1981 Comment
  SEINET4153117  Gayophytum racemosum W. Harnach, N. Harnach 1989-6-27 181 Sierra Sierra Valley, Calpine Ranch (home) 1506 Comment
  SEINET12189476  Gayophytum racemosum J. G. Lemmon 1874-1 84 Sierra Comment
  UC1368494  Gentiana newberryi R. K. Gierisch 1969-8-29 3578 Sierra Saddle meadow Tahoe Forest 1981 Comment
  CHSC80951  Gentiana newberryi var. tiogana Lowell Ahart 2001-8-10 9103 Sierra Meadow on the south side or the river, about 200 yards 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
  JEPS88188  Gentianella amarella subsp. acuta Vernon H. Oswald and Lowell Ahart 1996-8-19 8226 Sierra 0.4 mi s Forest Rt. 15 to Sierraville (Yuba Pass-Weber Lake Rd (Forest Rt 12), n High Sierra Nevada); High Sierra Nevada 2316 Comment
  CHSC59544  Gentianopsis simplex Lowell Ahart 1992-8-6 6915 Sierra North of Black Jack Ravine, about 1 mile south of Granite Mountain, about 1/2 mile west of Harris Meadow. 1676 Comment
  CAS-BOT-BC459372  Geum macrophyllum Catherine Best 1984-6-19 1008 Sierra Sierra Valley , 1/2 mile west of Sierraville on Hwy 89 Comment
  JEPS124076  Geum macrophyllum var. perincisum Lowell Ahart 2015-5-9 20177 Sierra About one mile west of Highway 49, about 2 miles west of Indian Valley. Comment
  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
  UC907933  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
  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
  CHSC45446  Gilia capitata subsp. mediomontana Lowell Ahart 1973-5-25 235 Sierra Along the Foote Road, south of Alleghany. 1219 Comment
  HSC97005  Gilia capitata subsp. mediomontana L. Ahart 2006-6-21 12821 Sierra S side of the Foote Rd., 1.3 mi. SW of Alleghany 1306 Comment
  JEPS125733  Gilia sinuata William Harnach 2014-4-29 1384 Sierra 1.2 miles North of Chilcoot on Frenchman road than 1.45 miles NE of USFS road 24N88. Comment
  SEINET6836589 Image available Glyceria borealis Malcolm A. Nobs, S. Galen Smith 1949-8-20 1500 Sierra ca. 0.5 mi W of Loyalton on road to Sierraville, Sierra Valley Comment
  UC1100351  Glyceria borealis Malcolm A. Nobs and S. Galen Smith 1949-8-20 1500 Sierra about 0.5 mi w Loyalton (on road to Sierraville); Sierra Valley Comment
  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
  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-BC302662  Gnaphalium palustre Herbert L. Mason 1952-7-19 14451 Sierra Sierra Nevada. 1.5 miles east of Calpine at junction of Calpine with Sierraville-Beckwourth road, Sierra Valley 1524 Comment
  UCD84133  Gnaphalium palustre Ayzik Solomeshch 2009-6-7 s. n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  UC1562333  Grindelia squarrosa var. serrulata Vernon Oswald and Lowell Ahart 1990-7-25 4394 Sierra 1.5 mi w of Hwy 395 <on> Staverville Rd 1584 Comment
  SEINET11744502  Hackelia micrantha W. Harnach, N. Harnach 1990-6-30 456 Sierra Yuba Pass. 2042 Comment
  CHSC57070  Hackelia nervosa L. P. Janeway; Garrett Gibson 1991-7-22 4086 Sierra Plumas National Forest. North-facing slope 1/2 mi due east of Mohawk Gap (along road 21N31B). 2225 Comment
  UC333590  Hackelia nervosa J. G. Lemmon 1889-6-8 Sierra Gold Lake Comment
  POM368129  Hackelia nervosa Robert Gustafson 1985-6-10 3142 Sierra SFSU Sierra Nevada Field Station, ca 6 miles below Yuba Pass summit on Hwy. 49. 1921 Comment
  CAS-BOT-BC306730  Helenium bigelovii Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  SBBG44751  Helianthella californica K. K. Muller 1963-8-15 1238 Sierra ca. 5 mi S of Gold Lake Comment
  SEINET11196755 Image available Helianthella californica S. B. Doten 1901-7-2 84 Sierra Webber Lake Comment
  CAS-BOT-BC383102  Helianthella californica subsp. nevadensis Andrew Townesmith; Karen M. Meyer 2007-7-18 832 Sierra Tahoe National Forest, Sierraville Ranger District. 2.1 miles N of Forest Service road 07 on Forest Service road 07-40 2291 Comment
  UC1368485  Helianthella californica subsp. nevadensis R. K. Gierisch 1969-6-27 3503 Sierra Tahoe National Forest Comment
  UC337113  Helianthella californica subsp. nevadensis unknown 1883-8-1 Sierra Comment
  CAS-BOT-BC314809  Helianthella californica var. nevadensis Lewis S. Rose 1934-7-15 34366 Sierra Gold Lake 1950 Comment
  CHSC57260  Helianthella californica var. nevadensis L. P. Janeway 1984-8-12 994 Sierra Ridge-top just south of Packer Saddle. 2148 Comment
  CHSC66798  Helianthella californica var. nevadensis Vernon H. Oswald; Lowell Ahart 1996-8-19 8204 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.2 mi S of the road to Lincoln Valley. 2346 Comment
  CAS-BOT-BC314814  Helianthella californica var. nevadensis P. B. Kennedy; S. B. Doten 1901-1-8 130 Sierra Webber Lake Comment
  CAS-BOT-BC305560  Helianthus bolanderi W. R. Dudley 1909-8-29 s.n. Sierra Sierra Valley Comment
  SEINET11196885 Image available Helianthus bolanderi W. Harnach, N. Harnach 1990-8-2 500 Sierra Sierra Valley. Approx 1.25 miles S of the Calpine Rd./ A-23 intersection. Near gate to Fisher field. 1498 Comment
  CAS-BOT-BC305565  Helianthus bolanderi John Thomas Howell 1976-7-16 51927 Sierra 2 miles north of Sattley 1524 Comment
  RSA125608  Helianthus bolanderi E. K. Balls 1957-6-11 22625 Sierra Hgt.. to 3'; grown in Botanic Garden from seed collection Oct. 9 1952, by E.K. Balls and P.C. Everett, 6.7 miles n. of Sierraville, Hwy. 89, 1.9 miles. n. of jct. hwys. 49 & 89; 1280 Comment
  SJSU14004  Helianthus bolanderi N. A. Hopkins 1988-8-12 1471 Sierra by Hwy 89 midway between Hwy 49 & Calpine 1524 Comment
  JEPS1688  Hesperochiron californicus Katharine Brandegee c. 1910 Sierra Peavine Comment
  SEINET12279753  Hesperochiron californicus J. G. Lemmon s.n. Sierra Sierra Valley Comment
  SEINET5498654  Hesperochiron californicus L. T. Cheney 1961-5-16 s.n. Sierra 5 miles NW of Boca Dam 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
  JEPS123993  Heterocodon rariflorum Lowell Ahart 2015-5-9 20162 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  SEINET12283543  Heterocodon rariflorum J. G. Lemmon 1874-1 138 Sierra Comment
  SJSU12231  Heterocodon rariflorum N. A. Hopkins 1982-7-24 1090 Sierra 1 mi SW of Calpine 1524 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
  SEINET9334290  Heuchera micrantha Unknown 2009-5-28 14857 Sierra Northern Sierra Nevada Foothills Comment
  UCR249172  Heuchera micrantha George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20753 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CAS-BOT-BC425305  Heuchera rubescens P. A. Lehenbauer 1937-6-8 65 Sierra 25 mi. w. of Reno, Nev., on Truckee R. at Iceland, s. side of river by falls 1676 Comment
  CAS-BOT-BC319673  Hieracium albiflorum H. Albert Barker 1926-7-8 76 Sierra Gold Lake Ridge 2042 Comment
  CHSC52924  Hieracium albiflorum L. P. Janeway 1989-8-11 3584 Sierra Plumas National Forest. Northeast flank of Haskell Pk and ca 3/4 mi NW of Chapman Saddle. Along side of dirt road. 2103 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
  RSA39078  Hieracium albiflorum P. A. Munz 1948-8-11 12327 Sierra Carvin Creek on Hwy 49, NE of Sierra City 1738 Comment
  SJSU12206  Hieracium albiflorum N. A. Hopkins 1984-8-17 1235 Sierra near Coburn L, 3.5 mi SSE pf summit of Yuba Pass 2286 Comment
  SJSU12192  Hieracium bolanderi N. A. Hopkins 1983-9-1 1179 Sierra c. 1 mi N of Packer L Saddle 2255 Comment
  JEPS125764  Hieracium greenei William Harnach 2015-7-1 1426 Sierra 3 miles off of Henness Pass Road on FS Road 98. Comment
  UC337096  Hieracium greenei unknown 1878-9-1 Sierra Downieville Buttes Comment
  UCR12045  Hippuris vulgaris Coleta A. Lawler 1968-7-2 166 Sierra Sierra Nevada Mtns., 3.9 mi NW of Sierraville. Right turn on Sattley-Beckworth [Westside] Rd, 1.1 mi NE from Hwy 49 intersection 1509 Comment
  SEINET12290126  Hippuris vulgaris H. M. Hall, Chandler, H. P. 1900-1 428 Sierra North Fork of Kings River 2134 Comment
  SJSU14200  Holodiscus discolor N. A. Hopkins 1989-8-6 Sierra summit of Deadmans Peak 2285 Comment
  CAS-BOT-BC152580  Holodiscus discolor var. discolor A. R. Kruckeberg 1954-8-2 3683 Sierra About lookout, Sierra Buttes, Tahoe N. F. 2620 Comment
  CAS-BOT-BC152581  Holodiscus discolor var. discolor Elmer I. Applegate 1921-9-7 3384 Sierra Gold Lake 1981 Comment
  CHSC43462  Holodiscus microphyllus var. glabrescens Lowell Ahart 1976-7-30 1181 Sierra On the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1981 Comment
  CAS-BOT-BC388564  Holosteum umbellatum W. Harnach; N. Harnach 1990-6-6 340 Sierra Sierra Valley. Martinetti Ranch 1517 Comment
  UCD84208  Hordeum brachyantherum 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
  UCR257687  Hordeum brachyantherum subsp. brachyantherum George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19467 A Sierra Northern Sierra Nevada Mountains, Little Truckee River valley along Hwy CA-89, 3.5 road miles north of the Nevada County line, 9.6 air miles SE (136 deg. ) of Sierraville 1878 Comment
  CAS-BOT-BC143410  Horkelia fusca var. brownii W. Harnach; N. Harnach 1989-5-21 106 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  CAS-BOT-BC514270  Horkelia fusca var. pseudocapitata Gordon H. True 1967-7-31 3658 Sierra Stampede Valley about 1/2 mi N of LIttle Truckee River on Dog Valley Rd 1798 Comment
  CAS-BOT-BC514271  Horkelia fusca var. pseudocapitata Gary Schoolcraft 1979-8-30 183 Sierra 1.5 mi NE of Sierraville 1524 Comment
  SEINET10736878  Horkelia tridentata var. flavescens John G. Lemmon 1874-1 Lemmon 68 Sierra Comment
  SEINET957332  Hosackia crassifolia J. A. Reese 1962-1 s.n. Sierra Just below dam of Upper Bardine Lake. 1981 Comment
  SJSU12269  Hosackia crassifolia N. A. Hopkins 1982-6-9 1149 Sierra c. 1 mi SW of Calpine 1524 Comment
  SEINET5327373  Hosackia crassifolia var. crassifolia W. Harnach, N. Harnach 1993-6-26 728 Sierra Sierra Valley; Doe Canyon, approx. 3 mi SE of Loyalton in Sierra Brooks 1622 Comment
  SEINET5327462  Hosackia oblongifolia var. oblongifolia W. Harnach, N. Harnach 1989-6-24 166 Sierra Sierra Valley, 0.25 miles S of Sattley, Martinetti Ranch 1518 Comment
  SJSU11972  Hosackia stipularis N. A. Hopkins 1975-7-24 717 Sierra near Alleghaney 1219 Comment
  NY110747  Hutchinsia procumbens J. G. Lemmon 1874-1 Sierra Comment
  SEINET892434 Image available Hydrangeaceae R. J. Barr 1968-1 68 -460 Sierra Northeast of Camptonville at highway marker 971 853 Comment
  PASA2125  Hydrophyllum capitatum Margaret Stason 1932-6-21 430 Sierra near hobart mills Comment
  UCSB17490  Hydrophyllum capitatum Breedlove, Dennis 1962-6-13 Sierra Along the Little Truckee River, 10.0 miles south of Sierraville on South State Highway 89; Sierra Nevada 1950 Comment
  SEINET5500046  Hydrophyllum capitatum var. alpinum D. Eckert 1954-5-13 s.n. Sierra Dog Valley 1981 Comment
  RSA0110959  Hydrophyllum occidentale J. W. Morrison 1924-05 s.n. Sierra Loyalton. Sierra Valley, Sierra Nevada. 1524 Comment
  SEINET12331117  Hydrophyllum occidentale F. H. Utech 1986-1 86 -086 Sierra Tahoe Natioanal Forest, ca 1 mi N of junction North Yuba River & CA 49 bridge 950 Comment
  SEINET12347213  Hydrophyllum occidentale F. H. Utech 1990-6-5 90 -887 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  SJSU12151  Hypericum anagalloides N. A. Hopkins 1972-6-17 477 Sierra Packer L 1889 Comment
  RSA458254  Hypericum formosum var. scouleri W. M. Kirkwood 1933-7-30 161 Sierra Gold Creek Camp, Gold Creek. 1921 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
  CAS-BOT-BC401321  Hypericum scouleri W. R. Dudley 1909-8-27 s.n. Sierra Meadow west of Juniper Ridge, Sierra Valley Comment
  SBBG129872  Ipomopsis aggregata subsp. aggregata D. H. Wilken, E. L. Painter, M. Wetherwax 2015-8-5 18000 Sierra slope above upper Yuba River, near mouth of Lunch Crk, ca. 1 mi W of Yuba Pass 1973 Comment
  JEPS113949  Isatis tinctoria W. and N. Harnach 2000-5-22 899 Sierra Sierra Valley, approx 2 miles NE of Sierraville on Hwy 49, going to Loyalton. Comment
  UC1875013  Isoetes Ruth Kirkpatrick 2005-7-20 1363 Sierra In lower Sardine Lake, just u from Sand Pond. 1767 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
  HSC32083  Isoetes bolanderi R. F. Thorne, C. W. Tilforth 1969-9-6 39219 Sierra Shallow edge of Gold Lake 1951 Comment
  UCD150449  Isoetes bolanderi William Anderson 1964-10-10 s.n. Sierra Upper Salmon Lake. Comment
  CHSC24424  Isoetes howellii Lowell Ahart 1976-10-1 Sierra Along Bunker Hill Ridge, 1 1/4 mi nw of Mt. Etna. 1828 Comment
  CHSC32078  Isoetes howellii L. Ahart 1976-9-28 1210 Sierra Ca. 1 1/4 mi nw of Mt. Etna, ca. 10 mi e of La Porte. 1828 Comment
  CHSC69407  Isoetes howellii Lowell Ahart 1997-8-28 7874 Sierra West of the Pacific Crest Trail and Bunker Hill Ridge, about one mile west of the Bunker Hill Mine, about one mile southeast of Pilot Peak. 1828 Comment
  RSA0025412  Isoetes nuttallii Forrest Freund 2013-5-22 190 Sierra Kyburz flat, along the outer edge of the flat in open, mossy patches. 1937 Comment
  UCD84226  Iva axillaris subsp. robustior Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  CAS-BOT-BC137409  Ivesia aperta James R. Shevock 1985-7-6 11314 Sierra Sierra Valley. Along Californica highway 49 just south of Rice Hill, 4.3 miles northeast of highway junctions 49 & 89 at Sierraville 1650 Comment
  CHSC105645  Ivesia aperta var. aperta Lowell Ahart; John Dittes 2010-10-5 17299 Sierra On the south side of Highway 49, 4015 feet west of Antelope Valley Road intersection with Highway 49, 4.5 miles (air) west of Loyalton, 6.6 miles (air) northeast of Sierraville. 1494 Comment
  CHSC91808  Ivesia aperta var. aperta G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16298 Sierra Northern Sierra Nevada. Antelope Valley, 1.4 mi. S of Sierraville-Loyalton Rd., E of Sierraville on Antelope Valley Rd. 1645 Comment
  UC1560861  Ivesia aperta var. aperta W. and N. Harnach 1989-7-30 237 Sierra s side of highway Hwy. 49 at the point with the Robinson Barn; Sierra Valley 1493 Comment
  UC1560865  Ivesia aperta var. aperta W. and N. Harnach 1989-7-30 238 Sierra w side Hwy. 49; Sierra Valley 1499 Comment
  CHSC67696  Ivesia aperta var. canina James D. Jokerst 1989-7-14 3139 C Sierra Dog Valley, W and adjacent to main road in Dog Valley, due W of outflow of Dog Creek from Dog Canyon. 1737 Comment
  NY362  Ivesia aperta var. canina J. R. Shevock 1986-6-1 11532 Sierra Common along dry meadow borders near the USFS guard station at Dog Valley, Toiyabe National Forest, T20N R17E, S25. NE 1/4, NW of Verdi, Nevada, volcanic soils, 1700 m Comment
  SEINET222291  Ivesia aperta var. canina B. Ertter, J Strachan; A Tiehm M Williams 1979-6-13 2767 Sierra Toiyabe National Forest ; Dog Valley Mitchell Canyon Rd west of Reno. Comment
  UC205445  Ivesia aperta var. canina C. F. Sonne Jun 1889 Sierra Dog Valley Comment
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  SEINET5332522 Image available Ivesia aperta var. canina J. Shevock, Barbara J. Ertter 1986-6-1 11532 Sierra Near the USFS Guard Station at Dog Valley, Toiyabe National Forest, NW of Verdi, Nevada. 1700 Comment
  CAS-BOT-BC139770  Ivesia gordonii A. R. Kruckeberg 1954-8-2 3691 Sierra N.E. of Sierra [Butes] Buttes lookout, 3/4 miles from tower; Tahoe N.F. 2438 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-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-BC142397  Ivesia sericoleuca Craig Martz 1987-7-1 269 Sierra Along State Route 89, approximately 2 airmiles north northwest of Sattley in Sierra Valley. Comment
  CAS-BOT-BC142398  Ivesia sericoleuca Margaret J. Williams 1979-6-13 79- 75 -1 Sierra Mitchell Canyon Road into Dog Valley Comment
  CAS-BOT-BC143366  Ivesia sericoleuca John Thomas Howell 1955-7-20 30888 Sierra Near Calpine 1508 Comment
  CAS-BOT-BC205204  Ivesia sericoleuca James R. Shevock; Barbara Ertter 1986-7-20 1173 Sierra Northern Sierra Nevada. Sierra Valley. Along California highway 89, about 1 mile west of Sierraville 1650 Comment
  RSA125692  Ivesia sericoleuca Arthur R. Kruckeberg 1954-8-1 s.n. Sierra 1 mile east of Calpine on road to Beckwourth Comment
  SBBG72477  Ivesia sericoleuca J. G. Lemmon -- Sierra Sierra Valley Comment
  SEINET223066  Ivesia sericoleuca M. J. Williams 1979-6-13 79751 Sierra Mitchell Canyon Road into Dog Valley. Comment
  UC1748298  Ivesia sericoleuca James D. Jokerst 1985-7-22 2525 Sierra 899 Comment
  SJSU13985  Ivesia webberi N. A. Hopkins 1988-5-16 1407 Sierra upper Dog Valley 1645 Comment
  SEINET5334878  Ivesia webberi C. Bell 1962-1 Sierra Comment
  UCD84118  Juncus balticus subsp. ater Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Rd, ca. 100 m N from the road. 1495 Comment
  CHSC61892  Juncus bufonius var. occidentalis Lowell Ahart 1993-9-10 7182 Sierra In a small drying meadow, near red rock outcrops, on the west side and near the end of a poor dirt road that leads to a camp and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  UC1609025  Juncus bufonius var. occidentalis Lowell Ahart 1993-9-10 7182 Sierra about 1 mi sw of dirt road from Gibsonville to Johnsville (on w side and near the end of a poor dirt road that leads to a camp and stream, on n side of Mount Fillmore); Mount Fillmore 2133 Comment
  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
  RSA794704  Juncus covillei L. Ahart 2010-9-15 17181 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring., About 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak 2135 Comment
  CHSC69954  Juncus covillei var. obtusatus L. P. Janeway; Eric Schroder 1997-8-14 5342 Sierra Tahoe National Forest. Freeman Meadow along Church Creek; about 2.3 mi east of Gold Lake. 2072 Comment
  CHSC92041  Juncus drummondii Lowell Ahart 2005-8-30 12357 Sierra At the falls on Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2073 Comment
  RSA95514  Juncus dubius J. T. Howell 1951-8-21 28257 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  CHSC60617  Juncus ensifolius L. P. Janeway 1984-8-25 1091 Sierra Lakes Basin; at Snag Lake. 2026 Comment
  CHSC69956  Juncus ensifolius L. P. Janeway; Eric Schroder 1997-8-19 5349 Sierra Tahoe National Forest. Freeman Meadow along Church Creek; about 2.3 mi east of Gold Lake. 2072 Comment
  CAS-BOT-BC312667  Juncus hemiendytus John Thomas Howell 1962-6-18 37820 Sierra Sierra Valley, 1.5 mi. e. of Calpine 1524 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
  HSC78832  Juncus hemiendytus var. hemiendytus Barbara Ertter, Jeffrey L. Strachan, A. Tiehm, Margaret Williams 1979-6-13 2765 Sierra Dog Valley on Mitchell Canyon Rd., Toiyabe National Forest, W of Reno Comment
  UCD141544  Juncus hemiendytus var. hemiendytus Barbara Ertter; J. Strachan, A. Tiehm, M. Williams 1979-6-13 2765 Sierra Dog Valley on Mitchell Canyon Road, Toiyabe National Forest west of Reno. Comment
  CAS-BOT-BC494097  Juncus longistylis William Harnach 2000-7-4 937 Sierra Sierra Valley. 0.5 mi N of Coburn Lake at the end of the access road 2188 Comment
  SEINET11789725  Juncus longistylis J. G. Lemmon 1874-1 218 Sierra Sierra Co. & c., Comment
  CDA34736  Juncus nevadensis L. Ahart 2010-9-15 17178 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. Comment
  CHSC40979  Juncus nevadensis J. D. Jokerst 1984-7-23 2116 Sierra In meadow. Ca. 3.5 mi. E of Sierra City, ca. 200 ft. N of Haypress Creek. 1767 Comment
  JEPS107925  Juncus nevadensis Lowell Ahart 2005-8-30 12345 Sierra On the east side of Pass Creek, about 1/8 mile south of French Meadow, bout 2 1/2 miles west of Webber Lake 2032 Comment
  JEPS117674  Juncus nevadensis Lowell Ahart 2010-9-15 17190 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) e 2134 Comment
  JEPS88196  Juncus nevadensis Vernon H. Oswald and Lowell Ahart 1996-8-19 8207 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.3 mi s road to Bassetts (at creek); Northern High Sierra Nevada, Long Valley Creek 2225 Comment
  JEPS119978  Juncus nevadensis var. nevadensis Lowell Ahart 2012-9-18 18453 Sierra Bottom of Poverty Hill Hydraulic Mine, about 2 miles (air) southwest of Poverty Hill, about 4 1/2 miles (air) south of La Porte. Comment
  SBBG128046  Juncus occidentalis L. Ahart 2010-9-15 17192 Sierra ca. 15 yards N of the first pond, ca. 20 yards NW of the cabin, ca. 50 yards SW of the middle pond, at the spring ca. 2.75 mi (air) N of Yuba Pass on Hwy 49, ca. 4 mi (air) E of Haskell Peak 2134 Comment
  CHSC60622  Juncus orthophyllus L. P. Janeway 1984-8-18 1017 Sierra Second meadow southeast of the second switchback down the road from Packers Saddle toward Packer Lake. 1981 Comment
  CHSC61933  Juncus orthophyllus Lowell Ahart 1993-9-24 7243 Sierra In small meadow, on both sides of the meadow are red rock outcrops, on the west side of a poor dirt road that ends at a stream, on the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  UC1256267  Juncus orthophyllus R. K. Gierisch 1969-8-25 3580 Sierra Tahoe Forest/Expt. Area 2072 Comment
  SJSU12226  Juncus orthophyllus N. A. Hopkins 1982-7-19 1067 Sierra 1 mi S of Calpine 1524 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
  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
  CAS-BOT-BC494144  Juncus scheuchzerioides Peter F. Zika 2013-6-28 26255 Sierra Sierra Buttes Road, 2.4 airkm SW of Sierra Buttes peak 1620 Comment
  SEINET3881131  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan; Arnold Tiehm; Margaret Williams 1979-6-13 2766 Sierra Dog Valley, Mitchell Canyon Road W of Reno, Toiyabe Nat'l Forest.; 0 Comment
  CAS-BOT-BC81077  Juniperus communis Arthur L. Menzies 1961-7-29 s.n. Sierra 1/4 mi. north of Hawley Lake, Tahoe Nat'l Forest 2133 Comment
  CAS-BOT-BC85309  Juniperus occidentalis W. R. Dudley 1900-6-19 s.n. Sierra Independence Lake Hotel, Sierra Nevada Mountains Comment
  SEINET5334976  Juniperus occidentalis W. D. Billings 1949-8-21 1748 Sierra on hillsides 2 miles northeast of Sierraville Comment
  UCR3782  Juniperus occidentalis subsp. australis Frank C. Vasek 1964-9-12 640912- 01 Sierra On a small dirt road, 12.9 mi east of Loyalton 1572 Comment
  RSA748574  Juniperus occidentalis var. australis K. M. Meyer, A. Townesmith 2007-7-15 116 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  RSA123363  Juniperus occidentalis var. occidentalis G. T. Nordstrom 1936-7-14 941 Sierra 3 miles NW of Dog Valley. Tahoe National Forest 2500 Comment
  RSA123370  Juniperus occidentalis var. occidentalis A. Lewis 1934-10-5 538 Sierra 2 miles SE of Milton. Tahoe National Forest 1829 Comment
  CHSC37207  Keckiella breviflora var. breviflora L. Ahart 1982-7-28 3684 Sierra Ca. 1.3 mi of a stem. Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC93079  Keckiella breviflora var. breviflora L. P. Janeway 1994-7-1 4677 Sierra Northern High Sierra Nevada. Along Road 20N06 0.2 mi southwest of its crossing of Rock Creek; about 0.3 mi northwest of Canyon Creek. 1127 Comment
  NY790345  Keckiella lemmonii D. C. Michener 1980-8-5 3789 Sierra Northern Sierra Nevada. On rocky slopes above Salmon Creek, south of Graeagle. 1798.3 Comment
  RSA293266  Keckiella lemmonii D. C. Michener 1980-8-5 3789 Sierra Northern Sierra Nevada. Above Salmon Creek (between CA 49 and Graenagle). 1800 Comment
  RSA238886  Kelloggia galioides Frederick W. Oettinger 1967-8-21 304 Sierra Just about 10 yds NW of the Pine Lake Campsite at the NW side of the Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SJSU13889  Kelloggia galioides N. A. Hopkins 1986-7-1 1351 Sierra c. 1 mi SW of Calpine 1524 Comment
  CAS-BOT-BC340358  Kyhosia bolanderi John Thomas Howell 1951-8-21 28248 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  CHSC66784  Kyhosia bolanderi Vernon H. Oswald; Lowell Ahart 1996-8-19 8213 Sierra Northern High Sierra Nevada. Yuba Pass-Weber lake Rd. (Forest Rt. 12) 0.4 mi N of the road to Haypress Valley. 2225 Comment
  JEPS40387  Kyhosia bolanderi W. L. Jepson 1934-8-2 16786 Sierra 2 mi e Bassett Sta.; North Fork Yuba River, Pioneer Sta. 1706 Comment
  UCSB27062  Kyhosia bolanderi 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
  UCD135682  Kyhosia bolanderi Bruce G. Baldwin 1985-8-25 506 Sierra immediately north of Yuba Pass, California State Highway 49. 2057 Comment
  CAS-BOT-BC349850  Lactuca tatarica subsp. pulchella George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  JEPS36696  Lactuca tatarica subsp. pulchella J. G. Lemmon Sierra Sierra Valley Comment
  SEINET11446758 Image available Lagophylla ramosissima W. Harnach, N. Harnach 1990-8-2 501 Sierra Sierra Valley. Approx 1 mile S of the intersection of Calpine Rd. & Co. Rd. A-23 on A-23. Near gate to Fisher field. 1498 Comment
  UC585090  Lathyrus brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1677 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
  CAS-BOT-BC213274  Lathyrus sulphureus L. E. Smith 1926-4-29 1744 Sierra South Fork Yuba along Downieville Road, Tahoe National Forest 609 Comment
  SEINET9358795  Lathyrus sulphureus Unknown 2009-5-28 14858 Sierra Northern Sierra Nevada Foothills Comment
  SEINET6658648  Lathyrus sulphureus Duane Isely 1965-5-29 9655 a Sierra Adjacent to Yuba river, below state #49, east of Downieville.; 0 Comment
  SEINET6658650  Lathyrus sulphureus Duane Isely 1965-5-29 9650 Sierra State #49, ca 1/2 mile north-east crossing of North Yuba River.; 0 Comment
  SEINET11447776 Image available Layia glandulosa W. Harnach, N. Harnach 1990-5-13 308 Sierra Sierra Valley, The Mounds near Sattley; on the west end of the Mounds 1518 Comment
  CAS-BOT-BC321063  Layia glandulosa H. M. Hall; E. B. Babcock 1903-6-16 4089 Sierra Shasta Valley (Mount Shasta region) 914 Comment
  SEINET11811307  Layia glandulosa J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. & c Comment
  RSA121952  Ledum glandulosum A. Lewis 1934-6-20 493 Sierra 1/2 mi le NW of Grass Flat, Downieville. 1524 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
  UC1586486  Ledum glandulosum Lowell Ahart 1991-7-22 6671 Sierra about 1 mi ne of Harris Meadow (about 1 1/4 mi ne of Granite Mountain, near Burlington) 1828 Comment
  SEINET8655815  Lemna gibba W. Harnach 2015-10-13 1464 Sierra 4.0 miles south of Hwy 49 on Antelope Valley Road. 1621 Comment
  CAS-BOT-BC534399  Lemna gibba Malcolm A. Nobs; S. Galen Smith 1949-8-20 1492 Sierra 0.5 mile west of Loyalton on road to Sierraville, Sierra Valley Comment
  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
  SEINET8655822  Lemna minuta W. Harnach 2015-10-13 1462 Sierra Approx 4.0 miles west of Loyalton, south of the intersection of Fillippini Rd. & Hwy 49. 1501 Comment
  JEPS125705  Lemna valdiviana William Harnach 2015-10-6 1459 Sierra Highway 49, approximately 1/4 mile SE of Sattley. Comment
  SEINET8655853  Lemna valdiviana W. Harnach 2015-10-6 1459 Sierra Hwy 49, approx 1/4 mile SE of Sattley. At the culvert of Turner Creek. 1501 Comment
  CAS-BOT-BC88854  Lepidium campestre W. Harnach; N. Harnach 1989-5-5 054 Sierra Sierra Valley. Loyalton High School. Along side of drainage ditch from Loyalton city well. 1524 Comment
  SJSU6453  Lepidium perfoliatum N. A. Hopkins 1971-6-14 383 Sierra 1 mi E of Sierraville, Sierra Valley 1524 Comment
  UC1126711  Lepidium virginicum G. T. Nordstrom 1936-7-23 958 Sierra 2 mi sw Purdy; Sierra National Forest, Sierraville Quad. 1615 Comment
  CHSC44321  Leptosiphon bolanderi Lowell Ahart 1978-6-4 1767 Sierra Near the Foote Road, about 5 miles south of Alleghany. 1188 Comment
  UCD40245  Leptosiphon ciliatus Rodney Gale Myatt 1972-6-1 1586 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  SJSU13881  Leptosiphon ciliatus N. A. Hopkins 1986-7-1 1350 Sierra 1 mi S of Calpine 1524 Comment
  CHSC106595  Leptosiphon harknessii B. Castro; L. P. Janeway 2001-7-1 1269 Sierra Northern High Sierra Nevada. Near springs on lower northwest flank of Table Rock 0.6 mi southwest of Howland Flat, along USFS Road 21N08. 1767 Comment
  CAS-BOT-BC334605  Leucanthemum vulgare Lowell Ahart 1981-7-24 2993 Sierra 0.5 mile north of Queen City 1700 Comment
  SEINET6170719  Leucophysalis nana P. B. Kennedy, S. B. Doten 1901-7-23 224 Sierra Lincoln Valley Comment
  CAS-BOT-BC58251  Leucothoe davisiae A. R. Kruckeberg 1954-8-2 3672 Sierra Along shores of Tamarack Lake 2 mi. e. of Sierra Buttes. Tahoe N.F. 2286 Comment
  CAS-BOT-BC58252  Leucothoe davisiae Lewis S. Rose 1934-7-12 34352 Sierra Gold Lake. 1950 Comment
  POM203460  Leucothoe davisiae L. S. Rose 1934-7-12 34352 Sierra Gold Lake 1951 Comment
  UC54433  Leucothoe davisiae H. M. Hall and E. B. Babcock July, 1903 4504 Sierra Gold Lake; Sierra Nevada Mountains, Gold Lake 1950 Comment
  JEPS86281  Lewisia kelloggii subsp. kelloggii Robert Patterson 1990-6-27 1958 Sierra North Sierra Buttes Trail, ca. 1 mi S of Packer Saddle trailhead 2500 Comment
  UC1136696  Lewisia triphylla H. S. Yates 1935-6-29 12109 Sierra 1 mi n Gold Lake; Plumas National Forest, Downieville qudrangle Comment
  UC54456  Lewisia triphylla H. M. Hall and E. B. Babcock July, 1903 4506 Sierra Gold Lake Sierra Nevada Mountains, Gold Lake 1950 Comment
  CAS-BOT-BC444496  Lewisia triphylla Lowell Ahart 1978-9-26 s.n. Sierra On north side of Mt. Fillmore. 2200 Comment
  JEPS68546  Leymus cinereus W. L. Jepson 1918-8-18 8048 Sierra Sierra Valley 1524 Comment
  CAS-BOT-BC272166  Leymus triticoides P. A. Lehenbauer 1937-6-8 108 Sierra 25 mi. w. of Reno, Nev. on Truckee R. at Iceland 1676 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
  JEPS125791  Ligusticum grayi William Harnach 2012-7-30 1273 Sierra Approximately 1 mile south of Forest Road 09, on Road 0913. 1.5 air miles SE of Haskell Peak, Tahoe National Forest. Comment
  SEINET11120979  Ligusticum grayi W. Harnach, N. Harnach 2000-7-9 948 Sierra Chapman Saddle road, 0.25 mile E of its intersection with Lunch Creek Road. 2027 Comment
  POM202943  Ligusticum grayi L. S. Rose 1934-7-15 34369 Sierra Gold Lake 1951 Comment
  UC1714634  Lilium columbianum C. F. Sonne 1889-5-1 Sierra Dog Valley Comment
  UC54197  Lilium columbianum H. M. Hall and E. B. Babcock Jul 1903 4517 Sierra Yuba Pass Sierra Nevada Mountains (North Fork of North Fork of Yuba River) 1889 Comment
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Dec 13 2006
  RSA232270  Lilium parvum James Henrickson 1969-5-25 3427 Sierra ca. 50 miles E of Reno, 0.5 miles W of Loganville, 2 miles W of Sierra City along North Yuba River. 1159 Comment
  UCD84207  Limosella aquatica 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
  JEPS58439  Linanthus harknessii J. G. Lemmon Aug 1878 Sierra Webber Lake Comment
  UC1561783  Linanthus harknessii Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7218 Sierra ca 12 air mi n Truckee (head of Little Truckee River, ca 1.5 mi e of Hwy 89 on Tahoe National Forest Rd S450, upper end of flat n of road, Kyburz Flat); Little Truckee River, Kyburz Flat 1920 Comment
  SJSU13896  Linanthus pungens N. A. Hopkins 1986-6-30 1344 Sierra bald ridge 2158 Comment
  RSA170305  Linaria dalmatica T. C. Fuller 1963-8-28 11174 Sierra N.E. limits of Loyalton. Comment
  CDA6350  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-28 11174 Sierra Northeast limits of Loyalton. 0 Comment
  JEPS124547 Image available Linum lewisii J. Yamanaka 1965-7-6 93 Sierra 1 mile W. of Little Truckee River, Highway 89. Comment
  SJSU10820  Linum lewisii M. D. Fleschner 1965-7-6 Sierra by Hwy 9, 1 mi N of Little Truckee R 1828 Comment
  UCD110589  Linum lewisii Tim Metcalf 1973-5-27 97 Sierra 1 mile west of Loyalton on State Highway 49. 1493 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
  JEPS108828  Linum lewisii var. lewisii Lowell Ahart 2006-6-28 12869 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1784 Comment
  UC1609354  Listera convallarioides Lowell Ahart 1993-9-10 7199 Sierra about 1 mi sw dirt road from Gibsonville to Johnsville (about 100 yards sw of the stream, camp and water ditch at end of a poor dirt road, n side of mountain); Mount Fillmore 2133 Comment
  UC407045  Lithophragma glabrum Rimo Bacigalupi 1927-7-3 1595 Sierra about 2 mi w Yuba Pass; w of Yuba Pass 1950 Comment
  POM161342  Lithophragma glabrum R. C. Bacigalupi 1927-7-3 1595 Sierra About 2 miles S of Yuba Pass Rd. 2 miles W of the Pass. 1951 Comment
  POM308865  Lithophragma glabrum Betty J. Jorgensen 1944-6-22 479 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  SEINET6032182  Lithophragma glabrum L. L. Killinger 1962-5-9 s.n. Sierra Southwest end of Dog Valley 1829 Comment
  SEINET6032235  Lithophragma glabrum F. Brunetti 1962-5-9 s.n. Sierra Dog Valley Area, 15 miles northwest of Verdi 1768 Comment
  SJSU11956  Lithophragma glabrum N. A. Hopkins 1972-6-16 460 Sierra 0.25 mi SE of Packer L 1935 Comment
  CAS-BOT-BC443349  Lithophragma parviflorum D. E. Breedlove 1962-6-13 3487 Sierra along State Highway 89, 9.3 miles north of Sierraville 1524 Comment
  SJSU9801  Lithospermum arvense C. W. Sharsmith 1982-5-29 8651 Sierra by Sierraville, Sierra Valley 1524 Comment
  JEPS29726  Lithospermum ruderale Rimo Bacigalupi and L. R. Heckard 1962-5-27 8482 Sierra 1.4 mi s Sierraville (at very foot of grade); Highway 89 1584 Comment
  SEINET12275353  Lithospermum ruderale J. G. Lemmon 1874-1 s.n. Sierra Comment
  SEINET5333492  Lomatium nevadense var. nevadense W. Harnach, N. Harnach 1989-3-30 10 Sierra Sierra Valley, 0.5 air miles E of Calpine, Calpine Ranch (home) 1509 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
  RSA790201  Lomatium nudicaule J. R. Shevock 1985-5-19 11148 Sierra Sierra Valley. Along California highway 49 at Rice Hill, 4.7 miles northeast of highway junctions 49 & 89 at Sierraville. 1650 Comment
  SEINET8803464  Lomatium nudicaule W. Harnach, N. Harnach 1989-5-18 101 Sierra Sierra Valley, 0.5 miles E of Calpine, Calpine Ranch (home) 1506 Comment
  RSA106775  Lomatium nudicaule L. S. Rose 1955-7-20 55165 Sierra 2 miles south of Calpine 1509 Comment
  RSA273251  Lomatium nudicaule Glenn A. Gorelick 1967-6-17 s.n. Sierra 2 miles north of Sattley Comment
  UCD127705  Lomatium nudicaule Lee Smith; W. B. McHenry 1970-6-10 s.n. Sierra ca. 3 miles northwest of Sierraville, State Highway 89. Comment
  SJSU9808  Lomatium plummerae C. W. Sharsmith 1982-5-30 8659 Sierra 2 mi N of Sattley on Sattley-Beckwourth Road, Sierra Valley 1524 Comment
  HSC65742  Lonicera conjugialis R. F. Thorne 1974-7-30 45034 Sierra Tahoe National Forest, Goose Haven and Snag Lakes areas. 2058 Comment
  JEPS88197  Lonicera conjugialis Vernon H. Oswald and Lowell Ahart 1996-8-19 8229 Sierra Lake of the Woods ca. 1.5 mi. n.e. Webber Lake; northern High Sierra Nevada, Lake of the Woods 2255 Comment
  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
  SEINET12163991  Lotus nevadensis L. Ahart, Ahart, P. 1983-1 4466 Sierra to Ahart Sheep Camp, ca 1miN of Milton Reservoir, 3miNW of Jackson Meadow Reservoir 1800 Comment
  CAS-BOT-BC329260  Lupinus M. Lavin; F. Smith 1980-7-29 SW 99 Sierra 1 mi S of Sonora Pass, Sierra Nevada Comment
  UCD105843  Lupinus adsurgens P. B. Kennedy 1929-7-26 s.n. Sierra Salmon Lakes. Comment
  JEPS88193  Lupinus albicaulis Vernon H. Oswald and Lowell Ahart 1996-8-19 8191 Sierra 2.2 mi s of Highway 49 ( Yuba Pass-Weber Lake Road (Forest Rt 12), northern High Sierra Nevada,); northern High Sierra Nevada, Yuba Pass-Weber Lake Rd 2133 Comment
  SEINET530754  Lupinus albicaulis Paul Opler 2004-6-26 Sierra Packer Lake turnoff jct., Tahoe National Forest. Comment
  SEINET12166451  Lupinus albicaulis var. shastensis L. P. Janeway 1989-1 3618 Sierra Beckwourth Ranger District. Plumas National Forest. Sierraville NW quad. T21N R13E NE 1/4 of Sec27 2225 Comment
  CAS-BOT-BC198371  Lupinus albifrons Leah D. McKee 1981-5-16 061 Sierra .5 miles east of Jct. w/road to Calpine, Jct. 89 & 49 Hwy. 1554 Comment
  UC54406  Lupinus apertus H. M. Hall and E. B. Babcock July, 1903 4508 Sierra Gold Lake; Sierra Nevada Mountains, Gold Lake 1950 Comment
  CHSC61790  Lupinus arbustus Lowell Ahart 1993-9-10 7193 Sierra Near the small stream, at the end of a poor dirt road where there is a camp and water ditch , on the n side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsonville. 2133 Comment
  UC1129533  Lupinus arbustus G. T. Nordstrom 1936-7-9 924 Sierra 2 mi nw Dog Valley; Tahoe National Forest, Sierraville Quad. Comment
  SEINET5327701  Lupinus arbustus P. B. Kennedy, Samuel Bradford Doten 1901-7-2 69 Sierra [Sierra Nevada] Webber Lake Comment
  SJSU4985  Lupinus arbustus N. A. Hopkins 1968-6-29 124 Sierra Packer L 1950 Comment
  SEINET5767543 Image available Lupinus arbustus subsp. silvicola Lewis S. Rose 1934-1 s.n. Sierra Gold Lake 1951 Comment
  UCD32549  Lupinus argenteus Beecher Crampton 1954-5-11 1889 Sierra Sierra Valley, 4 miles west of Loyalton. 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
  SBBG120355  Lupinus argenteus var. argenteus D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16749 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 Comment
  CAS-BOT-BC196373  Lupinus argenteus var. heteranthus John Thomas Howell; Gordon H. True 1970-7-14 5563 Sierra Verdi Peak Road ca. 0.5 miles from intersection with Dog Valley-Stampede Dam Road 2103 Comment
  JEPS117437  Lupinus argenteus var. heteranthus Lowell Ahart 2010-9-15 17158 Sierra Open areas, around trees, about 20 yards southeast of the cabin, about 20 yards southeast of the upper pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  UC54405  Lupinus breweri H. M. Hall and E. B. Babcock July, 1903 4507 Sierra Gold Lake; Sierra Nevada Mountains, Gold Lake 1950 Comment
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Mar 19 2019
  UCD148939  Lupinus breweri Albert Grigarick 2013-6-1 340 Sierra North of Truckee, west of highway 89N. 0.6 miles west of Forest Service Road 12. On right side of road. Comment
  UCR131635  Lupinus breweri Beecher Crampton 1954-5-10 1858 Sierra Tahoe National Forest, 2.5 miles above (west of) Sattley, along Hwy 49 to Yuba Pass 1677 Comment
  CAS-BOT-BC196685  Lupinus breweri var. breweri E. K. Balls; L. W. Lenz 1956-6-20 21846 Sierra 5.7 mi. w. along State Hwy. 49 from jct. with State Hwy. 89 2011 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
  RSA286294  Lupinus breweri var. breweri Robert F. Thorne 1974-7-30 45040 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2058 Comment
  SEINET6654527  Lupinus breweri var. breweri James L. Reveal 1971-6-23 2474 Sierra Along California Highway 49; 4.7 miles east of Yuba Pass Summit, about 1 mile west of Sattley.; 0 Comment
  SEINET530757  Lupinus caudatus var. caudatus Paul Opler 2003-6-29 Sierra 1 mi E of Calpine Comment
  RSA488711  Lupinus confertus James L. Reveal 1971-6-23 2475 Sierra Along California Highway 49, about 5 miles west of Downieville along the North Fork of the Uuba River. Comment
  HSC14913  Lupinus grayi R. Spellenberg 1964-6-14 385 Sierra Ca. 4 mi. W of Sierraville Comment
  UC1299678  Lupinus grayi Freed W. Hoffman 1946-6-12 920 Sierra e side Yuba Pass; e side of Yuba Pass Comment
  SEINET10485452  Lupinus latifolius Duane Isely 1965-5-29 Isely 9653 A Sierra Common on steep rocky slopes above yuba river, state #49, 0.8 mi. E Downieville. Fls pink-lavender. 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
  UC903068  Lupinus lepidus var. confertus Ethel Crum 1937-8-5 1936 Sierra one mi ne Sierraville (Sierra Valley); Sierra Valley 1524 Comment
  UCR257797  Lupinus lepidus var. confertus George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19441 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
  CHSC50833  Lupinus lepidus var. sellulus Vernon Oswald; Lowell Ahart 1990-7-25 4391 Sierra Ca. 0.25 mi south of Staverville Rd, ca. 1 mi west of Balls Ranch. 1935 Comment
  UCD35535  Lupinus lepidus var. sellulus Beecher Crampton 1957-7-24 4423 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. Comment
  SJSU10716  Lupinus lepidus var. sellulus Dixie Funnell 1965-7-5 Sierra Hwy 89, 0.75 mi N of bridge over Little Truckee R 1706 Comment
  SEINET12165547  Lupinus nanus F. H. Utech 1986-1 86 -063 Sierra Tahoe National Forest, ca 1 mi E on CA 49 from Downieville, along North Yuba River 950 Comment
  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
  UC1129664  Lupinus obtusilobus A. Lewis 1934-6-15 483 -D Sierra Mt. Fillmore; Plumas National Forest, Downieville Quadrangle Comment
  UC570354  Lupinus obtusilobus A. Lewis 1934-6-15 483 -D Sierra Mt. Fillmore Mount Fillmore; Plumas National Forest, Downieville Quad., Mt. Fillmore Comment
  RSA305919  Lupinus polyphyllus subsp. polyphyllus Fay A. MacFadden 1934-6-29 12786 Sierra Little Truckee River, 13 miles from Hobart Mills on old road to Reno Comment
  CHSC52438  Lupinus polyphyllus var. burkei L. P. Janeway 1989-8-16 3596 Sierra Plumas National Forest. Near top of ridge 1/2 mi SE of Chapman Saddle; ca 2 1/4 mi SE of Haskell Pk. 2133 Comment
  SEINET10452653  Lupinus sellulus Mary Susan Taylor 1982-7-19 Taylor 4884 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
  SEINET10485915  Lupinus sellulus var. lobbii Duane Isely, I. Isely 1971-7-13 Isely 11411 Sierra Abundant, dry stream bed, adjacent to state #89 between truckee summit and Nevada co. Line. Comment
  CHSC105830  Luzula cascadensis Lowell Ahart 2010-8-3 17033 Sierra Disturbed area along a small stream that flows into Negro Creek, east side of the poor logging road, about 100 yards east of Negro Creek, about 1/8 mile (air) west of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  JEPS117424  Luzula cascadensis Lowell Ahart 2010-8-3 17033 Sierra Disturbed area along a small stream that flows into Negro Creek, east side of the poor logging road, about 100 yards east of Negro Creek, about 1/8 mile (air) west of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (a 1731 Comment
  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
  RSA286325  Luzula comosa var. laxa Robert F. Thorne 1974-7-30 45043 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes area. 2058 Comment
  CHSC115271  Luzula macrantha Lowell Ahart 2015-5-9 20176 Sierra On the south side of the Canyon Creek Trail, about 300 yards southeast of the foot bridge across Boyce Ravine, trail on the north side of the North Fork of the Yuba River, 3/4 mile west of Highway 49, about 1 3/4 miles west of Indian Valley. Mixed Evergreen Forest. 716 Comment
  CHSC47584  Luzula subcongesta Lowell Ahart 1977-7-15 1469 Sierra Along the stream that drains the north side of Mount Fillmore, about 12 miles northeast of La Porte. 1828 Comment
  UCD108060  Luzula subcongesta Tim Kuhn 2005-1 92 Sierra Perazzo Meadow area. Comment
  UCD40302  Luzula subsessilis Rodney Gale Myatt 1971-7-3 798 Sierra Hillside above Hwy 49, just to the north of Yuba River. Near Oregon Creek, Alleghany Road, and Sierra County line. 195 Comment
  SEINET6170872  Lycium barbarum H. Hamlin 1522 Sierra Sierra Valley Comment
  UC1714337  Lycium halimifolium H. M. Hall and E. B. Babcock Jul 1903 4462 Sierra Beckwith; Sierra Nevada Mountains 1524 Comment
  JEPS124834 Image available Lythrum hyssopifolia C. Meek 1969-6-26 20 Sierra 2 mi northeast of Sattley on A23; along roadside in medium moisture. Comment
  SBBG119945  Madia exigua L. Ahart 2006-6-21 12803 Sierra W side of the Foote Rd, ca. 3.7 rd mi SW of Alleghany 1093 Comment
  UCD84087  Madia exigua Ayzik Solomeshch 2009-6-9 s.n. Sierra Sierra County. Sierra Valley. Harvey Ranch. Along Westside Road, ca. 1 km N of intersection of Westside Road and Calpine Road, ca. 200 m W of Westside Road. 1498 Comment
  CAS-BOT-BC342879  Madia glomerata John Thomas Howell 1951-8-21 28245 Sierra 5 miles from Calpine on road to Blairsden 1524 Comment
  CAS-BOT-BC342880  Madia glomerata John Thomas Howell 1951-8-21 28262 Sierra East side of Yuba Pass 1828 Comment
  CAS-BOT-BC342885  Madia glomerata Catherine Best 1983-8-29 891 Sierra Growing along Hwy 49 just west of the Yuba Summit 2042 Comment
  SEINET10474804  Madia glomerata Lowell Ahart, Peter Ahart 1983-10-27 Ahart 4476 Sierra Near a dirt road that is ca. 2 mi se of Jackson Meadow Reservoir, ca. 1 mi s of Pass Creek, near Jackson Meadow Reservoir. Red Fir Forest; 2200 m. 2200 Comment
  CHSC94120  Madia gracilis Lowell Ahart 2006-6-21 12804 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany. 1093 Comment
  JEPS108728  Madia gracilis Lowell Ahart 2006-6-21 12804 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  CAS-BOT-BC512757  Maianthemum racemosum subsp. amplexicaule Mrs. E. C. Sutliffe 1917-8-1 s.n. Sierra Gold Lake Region Comment
  CAS-BOT-BC348078  Matricaria discoidea W. Harnach; N. Harnach 1989-6-28 194 Sierra Sierra Valley. Calpine Ranch (home) 1505 Comment
  CAS-BOT-BC271805  Melica bulbosa S. B. Doten 1901-7-5 99 Sierra Webber Lake Comment
  POM181584  Melica bulbosa J. G. Lemmon 1889-05 s.n. Sierra Sierra Valley. Comment
  SEINET4671557  Melica bulbosa S. Doten 1901-7-5 99 Sierra [Sierra Nevada] Near Webber Lake, near the falls Comment
  CHSC109872  Melica fugax L. P. Janeway; B. Castro 2012-6-16 10883 Sierra Northern High Sierra Nevada. Tip of a short southeastern spur of Gibsonville Ridge, 1.1 km north-northwest of Gibsonville. 1885 Comment
  SEINET4671607  Melica fugax S. Doten 1901-7-2 83 Sierra [Sierra Nevada] Near Webber Lake 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
  CHSC94217  Melica geyeri Lowell Ahart 2006-6-21 12832 Sierra About 30 yards east of Lucky Dog Creek, about 100 yards west of the road, about 2 1/2 miles (by road) west of Forest. 1397 Comment
  UCD32534  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
  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-BC281379  Melica harfordii Catherine Best 1982-7-12 738 A Sierra Herringtons, Sierra City Comment
  CAS-BOT-BC281380  Melica harfordii David D. Keck 1944-7-8 5397 Sierra N Fork of Yuba River, 6 miles below Downieville 762 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
  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
  SEINET11678891  Melica stricta J. G. Lemmon 1874-1 223 Sierra Sierra Co. &c. Comment
  SEINET4671669  Melica stricta P. B. Kennedy, S. B. Doten 1901-7-6 103 Sierra Canyon below Webber Lake Comment
  SEINET4671671  Melica stricta P. B. Kennedy 1901-7-6 s.n. Sierra Canyon below Webber Falls Comment
  SEINET4671673  Melica stricta P. B. Kennedy, S. B. Doten 1901-7-6 s.n. Sierra Canyon below Webber Falls 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
  SEINET7755746  Melilotus officinalis W. Harnach, N. Harnach 1990-6-10 360 Sierra Sierra Valley, Approx 1.5 miles N of Sierraville on Hwy 49, Alpers corner. 1509 Comment
  JEPS125732  Mentzelia albicaulis 2014-4-29 1385 Sierra 1.2 miles North of Chilcoot on Frenchman road than 1.45 miles NE of USFS road 24N88. Comment
  SEINET11978644  Mentzelia congesta J. G. Lemmon 1874-1 95 Sierra Sierra Co. &c., Ran[??] Comment
  SEINET11978680  Mentzelia gracilenta J. G. Lemmon 1874-1 = Sierra Sierra Co. &c Comment
  JEPS124808 Image available Mentzelia micrantha C. Meek 1969-6-27 25 Sierra At Goodyear's Bar turnoff. 4 mi. west of Downieville on Hi #49. 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
  JEPS125668  Mertensia oblongifolia var. nevadensis William Harnach 2013-5-5 1344 Sierra Sierraville. 4.8 miles East of Highway 49 on Lemon Canyon Road. Comment
  CHSC45979  Micranthes bryophora Lowell Ahart 1976-7-30 1182 Sierra Along the edges of a small stream that drains the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1981 Comment
  CAS-BOT-BC428731  Micranthes californica John Thomas Howell; R. C. Barneby 1954-5-13 29537 Sierra Indian Hill. 853 Comment
  SEINET6033606  Micranthes integrifolia W. Harnach, N. Harnach 1989-4-30 049 Sierra Sierra Valley, 1.0 air miles NE of Calpine, Calpine Ranch. 1498 Comment
  SJSU11957  Micranthes nidifica N. A. Hopkins 1972-6-17 473 Sierra by inlet to Packer L 1920 Comment
  CAS-BOT-BC429253  Micranthes oregana Rimo Bacigalupi 1927-7-2 1618 Sierra Along north fork of Yuba River halfway between Downieville and Sierra City Comment
  CDA9352  Micranthes oregana M. Beyers, Bob Patterson 2012-6-29 1029 Sierra Northern Sierra Nevada; Highway 49: Yuba Pass Road. In moist meadow west of rest stop parking lot. 2046 Comment
  UCD37222  Micranthes oregana Beecher Crampton 1958-6-24 4949 Sierra Sierra County, 12 miles south of Sierraville, J. A. Bickford Ranch, near Little Truckee River. 1828 Comment
  SJSU12050  Microsteris gracilis N. A. Hopkins 1975-5-10 655 Sierra Upper Long Valley 1524 Comment
  JEPS87288  Mimulus aurantiacus var. grandiflorus David M. Thompson 1992-6-9 1121 Sierra 1.1 mi e of bridge Downie River (along Hwy 49); Downieville 880 Comment
  UCR75959  Mimulus aurantiacus var. grandiflorus D. M. Thompson 1992-6-9 1121 Sierra Downieville. 1.1 mi east of bridge over Downie River along Hwy 49 943 Comment
  HSC20802  Mimulus aurantiacus var. grandiflorus R. Spellenberg 1964-6-14 391 Sierra 3 mi. W of Sierra City Comment
  UC335561  Mimulus bicolor Lemmon Sierra Webber Lake Comment
  UC1063533  Mimulus breweri H. S. Yates 1935-6-29 5276 Sierra 1 mi n Gold Lake; Plumas National Forest, Downieville Quadrangle Comment
  RSA8001  Mimulus breweri H. A. Barker 1927-8-4 839 Sierra Gold Lake. 1982 Comment
  HSC96964  Mimulus guttatus L. Ahart 2006-6-21 12799 Sierra W side of Foote Rd., near Blue Ravine, 3 mi. SW of Alleghany 1054 Comment
  RSA296383  Mimulus guttatus W. L. Jepson 1934-8-2 16796 Sierra Pioneer Road Sta., 2 mi. e. of Bassett Sta., North Fork Yuba River. 1707 Comment
  SEINET12347402  Mimulus guttatus F. H. Utech 1990-6-5 90 -881 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 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
  SEINET10756231  Mimulus mephiticus Andrew Townesmith, Karen M. Meyer 2007-7-18 Townesmith 825 Sierra Tahoe National Forest, Sierraville Ranger District. Along Forest Service road 07-30, 0.2 mile west of junction with road 07. T19N R14E, at edge of sections 23 and 26. 1994 Comment
  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
  RSA491813  Mimulus nanus var. mephiticus B. Pitzer, S. Morgan, H. M. Soldan 1988-5-27 870 Sierra Above Ramshorn Campground, on Hwy 49, ca. 15 mi. NE of Camptonville and ca. 5 mi W of Downieville. 823 Comment
  UC335557  Mimulus pilosus unknown Sierra Webber Lake Sierra Valley Comment
  UC335547  Mimulus tilingii unknown July 1883 Sierra Webber Lake Comment
  SEINET12269822  Mimulus torreyi J. G. Lemmon 1874-1 156 Sierra Sierra Co. &c Comment
  CHSC94118  Minuartia douglasii Lowell Ahart 2006-6-21 12812 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany. 1093 Comment
  JEPS110372  Minuartia douglasii Lowell Ahart 2006-6-21 12812 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany 1093 Comment
  JEPS125687  Minuartia douglasii William Harnach 2013-4-25 1313 Sierra 1.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  SEINET8665930  Minuartia douglasii W. Harnach 2013-4-25 1313 Sierra 1.6 miles west of Goodyears Bar on Hwy 49 and north of the Ramshorn campground. 872 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
  CAS-BOT-BC432927  Mitella breweri M. Lavin 1982-6-27 4155 Sierra Salmon Lake just North of Sierra Buttes. 1981 Comment
  CAS-BOT-BC432928  Mitella breweri Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Hawley Canon [Canyon] Comment
  RSA468278  Mitella breweri Robert Gustafson 1985-6-12 3154 Sierra Lincoln Creek campground off highway 49, Yuba Pass Summit area. 1982 Comment
  CAS-BOT-BC221804  Monardella odoratissima G. L. Stebbins 1970-7-25 7076 Sierra Northwest ridge of Mt. Fillmore 1950 Comment
  SEINET10498938  Monardella odoratissima Heidi H. Schmidt 1993-6-13 Schmidt 855 Sierra Tahoe National Forest. On state highway 89 at Calpine. 3 miles N of junction with state highway 49. 1585 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
  UCD149530  Monardella odoratissima subsp. glauca G. L. Stebbins 1970-7-25 7076 Sierra Northwest ridge of Mount Fillmore. (Exact location unknown. Coordinates estimated by label maker.) 1950 Comment
  SD149150  Monardella odoratissima subsp. glauca Gordon H. True 1967-7-31 3664 Sierra Verdi Peak Lookout. 2591 Comment
  CDA30192  Monardella odoratissima subsp. pallida J. Dittes, J Guardino, L. Ahart 2003-7-31 - 2081 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. Comment
  SBBG120358  Monardella odoratissima subsp. pallida D. Wilken with E. Painter, M. Wetherwax 2007-6-17 16746 Sierra E end of Butcher Ranch Meadow, E of Butcher Ranch Crk, ca. 2 linear km W of Packer Lake 1985 Comment
  UC54596  Monardella odoratissima subsp. pallida H. M. Hall and E. B. Babcock July 1903 4582 Sierra Near Sierraville; Sierra Nevada Mountains 1524 Comment
  CDA33303  Monardella odoratissima subsp. pallida Jim Jokerst 1990-7-27 3163 Sierra Balls Ranch Surveys for Jones and Stokes. Burma Summit, 6 miles southeast of Loyalton. Comment
  HSC89396  Monardella odoratissima subsp. pallida L. P. Janeway 1989-7-28 3534 Sierra Slopes between Haskell Peak and Hwy. 89/Sulfur Creek 2180 Comment
  POM148091  Monardella odoratissima subsp. pallida George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  JEPS96050  Monolepis nuttalliana Lowell Ahart 1996-7-25 7703 Sierra ca. 2 mi. w. Webber Lake (in the corral in French Meadow, s. of the old Henness Pass Rd.); French Meadow 1950 Comment
  UCD99121  Monolepis nuttalliana A. M. Shapiro 1993-6-12 s.n. Sierra 1.2 m. N of Sierraville. 1519 Comment
  SEINET5336595  Montia chamissoi C. G. Gulling 1905-1 1206 Sierra Sierra Valley Comment
  CAS-BOT-BC445059  Montia linearis W. Harnach; N. Harnach 1990-6-6 346 Sierra Sierra Valley. Martinetti Ranch 1517 Comment
  JEPS25518  Montia linearis Rimo Bacigalupi with Lincoln Constance 1959-6-15 7129 Sierra just sw of Sierraville (Sierra Valley); Sierra Valley 1511 Comment
  SJSU12155  Montia linearis N. A. Hopkins 1983-5-23 Sierra 1.5 mi S of Calpine, Sierra Valley 1524 Comment
  UCD101759  Montia linearis F. A. MacFadden 1934-6-29 s.n. Sierra Truckee River, 13 miles from Truckee on Reno Road via Hobart Mills. Comment
  UCR230992  Montia parvifolia George K. Helmkamp, E. A. Helmkamp 2011-6-9 17537 Sierra Northern Sierra Nevada Mountains Foothills, 5.9 miles north of Camptonville along CA-49, about 1.2 miles northeast of the Yuba Co. line 899 Comment
  CAS-BOT-BC267036  Muhlenbergia filiformis Lowell Ahart 1983-10-27 4473 Sierra About 2 miles SE of Jackson Meadows Res., ca 1 mile S of Pass Creek 2200 Comment
  CHSC47622  Muhlenbergia filiformis Lowell Ahart 1983-10-27 4473 Sierra Near a dirt road that is about 2 miles south-east of the Jackson Meadow Reservoir Dam, about 1 mile south of Pass Creek, near Jackson Meadow Reservoir. 2011 Comment
  HSC47818  Muhlenbergia filiformis Michael A. Watkins 1978-9-20 128 Sierra Foothills of the Sierra Nevada Mtns., 10 mi. NW of Johnsville on property of the Cowell Mine Comment
  CAS-BOT-BC275168  Muhlenbergia richardsonis Catherine Best 1981-6-17 s.n. Sierra Highway 89, 12 miles N of Truckee Comment
  SEINET13384144 Image available Muhlenbergia richardsonis George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-1 19475 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
  SEINET8465062 Image available Muhlenbergia richardsonis Ayzik Solomeshch 2009-6-8 Sierra Sierra Valley, Roen Ranch, along Westside Road, ca 2 km north of intersection of Westside Road and Calpine Rd., [then] c. 1 km east of Westside Road 1493 Comment
  CAS-BOT-BC494119  Muhlenbergia richardsonis W. Harnach; N. Harnach 2000-9-9 1007 Sierra Sierra Valley. 1 mi E of Calpine and 0.75 mi N of Calpine Rd (home) 1502 Comment
  SEINET12780553  Myosotis discolor Schoolcraft, Hamon 1999-6-16 2833 Sierra Carman Valley - Knuthson Meadow, 2 mi. N of Calpine, CA 1524 Comment
  UC1101360  Myosurus apetalus Herbert L. Mason 1953-6-16 14551 Sierra 1 mi s Beckwourth Buttes 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
  SJSU4153  Myosurus minimus C. W. Sharsmith & Wayne Savage 1967-5-20 7525 Sierra 3 mi W of Loyalton, Sierra Valley 1508 Comment
  CAS-BOT-BC83242  Myosurus minimus Herbert L. Mason 1953-6-16 14551 Sierra One mile south of Beckwourth Buttes. Comment
  UC1562336  Myriophyllum sibiricum Vernon Oswald and Lowell Ahart 1990-7-25 4390 Sierra Ca. 0.25 mi S of Staverville Rd., ca. 1 mi W of Balls Ranch. 1935 Comment
  SD9592  Myriopteris gracillima J. G. Lemmon Aug 1879 Sierra Mountains around Webber Lake Comment
  SD27377  Myriopteris wootonii J. G. Lemmon Mar 1882 Sierra Webber Lake Comment
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Sep 4 2010
  JEPS25520  Nama aretioides var. californica Rimo Bacigalupi with Lincoln Constance 1959-6-15 7131 Sierra along road to Loyalton 5 mi n Sierraville (at base of hills bordering eastern edge of Sierra Valley); eastern edge Sierra Valley, n of Sierraville 1493 Comment
  CHSC78348  Narthecium californicum Lowell Ahart 2000-7-13 8592 Sierra On a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany. 1615 Comment
  UCSB16100  Navarretia breweri Breedlove, Dennis 1962-6-13 Sierra along State Highway 89; 10.0 miles south of Sierraville 1950 Comment
  UC1609284  Navarretia capillaris Lowell Ahart 1993-9-24 7253 Sierra about 3/4 mi s dirt road from Gibsonville to Johnsville (n side of mt., on w side poor dirt road that ends at a stream); n side Mount Fillmore 2133 Comment
  UC54544  Navarretia capillaris H. M. Hall and E. B. Babcock July, 1903 4498 Sierra Gold Lake , Gold Lake (Sierra Nevada Mountains) 1950 Comment
  UCD106101  Navarretia intertexta N. Hopkins 1981-7-1 152 Sierra 1 mile S of Calpine. Comment
  SD42516  Navarretia leptalea Carl B. Wolf 1937-8-6 9058 Sierra Northern Sierra Nevada, Church Meadows, SE. of Gold Lake 2042 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
  CHSC37204  Navarretia leptalea subsp. leptalea L. Ahart 1982-7-28 3720 Sierra On dirt rd n of the Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  UC1012886  Navarretia leptalea subsp. leptalea A. R. Kruckeberg 1951-9-2 2896 Sierra Highway #89, 4 mi s Plumas Co. Line (just n of Summit between Calpne Lookout Turnoff and Graeagle, in abandoned logging road); btw Calpine Lookout Turnoff and Graeagle Comment
  UC1093651  Navarretia leptalea subsp. leptalea Herbert L. Mason 1957-6-21 14711 Sierra 3 mi n Satley; Sierra Valley, n of Satley Comment
  UC1561832  Navarretia leptalea subsp. leptalea Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7215 Sierra ca 12 air mi n Truckee (head of Little Truckee River, ca 1.5 mi e of Hwy 89 on Tahoe National Forest Rd S450, n end of Kyburz Flat); Kyburz Flat, Little Truckee River 1920 Comment
  JEPS4101  Navarretia leucocephala subsp. minima Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4286 Sierra along road from Hawley railroad station on Western Pacific main line to Loyalton; Sierra Valley 1481 Comment
  UC1124122  Navarretia leucocephala subsp. minima H. S. Yates 1935-6-29 5267 Sierra 5.25 mi nne Sattley; Sierraville Quad. 1493 Comment
  UCD84215  Navarretia leucocephala subsp. minima Ayzik Solomeshch 2009-6-8 s. n. Sierra Sierra Valley, Roen Ranch, along Westside Rd, ca. 2 km N of the intersection of Westside and Calpine Roads, ca. 1 km east of Westside Rd. 1493 Comment
  SJSU15107  Navarretia leucocephala subsp. minima N. A. Hopkins 1992-7-21 1716 Sierra Knudson Meadow N of Carman Cr Comment
  SEINET2440280  Navarretia linearifolia subsp. linearifolia Leigh A. Johnson 1993-7-2 93 -125 Sierra Tahoe Natl. Forest. 5.5 miles N (mile marker) of Sierra Co. line on E side of Hwy 89. Large population in sagebrush scrub opening.; 0 1900 Comment
  SEINET2440289  Navarretia linearifolia subsp. linearifolia Leigh A. Johnson 1997-7-11 97 -157 Sierra Tahoe Natl. Forest. 5.5 miles N (mile marker) of Sierra Co. line (just north of county road A450) on either side of Hwy 89.; 0 1911 Comment
  SEINET14152035  Navarretia linearifolia subsp. linearifolia P. B. Kennedy 1903-6-27 793 Sierra Dog Valley, near Verdi Comment
  SEINET197696  Navarretia minima Herbert L. Mason 1952-7-19 14442 Sierra 1.5 miles of Calpine at junction of Calpine with Sierraville-Beckworth road. 1524 Comment
  CHSC94147  Nemophila parviflora var. austiniae Lowell Ahart 2006-6-21 12833 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
  POM76022  Nemophila parviflora var. austiniae Lincoln Constance 1938-6-9 2304 Sierra E side of Yuba Pass, 2.4 miles NW of Sattley. 1524 Comment
  SJSU12105  Nemophila parviflora var. austiniae N. A. Hopkins 1983-5-23 1128 Sierra c. 1 mi S of Calpine 1524 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
  UC1125139  Nicotiana attenuata G. T. Nordstrom 1936-7-13 935 Sierra 3.8 mi se Dog Valley; Sierraville Quad. 1524 Comment
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Jun 6 2014
  CAS-BOT-BC60562  Noccaea fendleri subsp. glauca Lowell Ahart 1986-7-1 5334 Sierra 0.25 mile esat of Johnsonville Road, about 0.5 mile east of Lake Delahunty, about 8 miles northeast of La Porte. 1828 Comment
  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
  UC585112  Nothocalais troximoides E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1666 Sierra 1/2 mi n Carmen Creek; w side Sierra Valley Comment
  UCD110242  Notholithocarpus densiflorus J. M. Tucker 1974-9-14 4335 Sierra ca. 60-70 yards north of the main entrance to Rose Ranch, ca. 8 miles (by road) northeast of Strawberry Valley (in Yuba County), on Sierra-Yuba county line. 1371 Comment
  SCFS5203  Nuphar polysepala Marc Chamberlain 1973-6-30 49 Sierra 16 miles from Truckee, north on Highway 89. Comment
  CHSC50836  Oenothera deltoides subsp. piperi Vernon Oswald; Lowell Ahart 1990-7-25 4393 Sierra Staverville Rd ca. 0.5 mi east of Balls Ranch. On a roadside slope. 1798 Comment
  SJSU11969  Onobrychis viciifolia N. A. Hopkins 1973-6-19 554 Sierra near cultivated fields 0.25 mi N of Loyalton 1493 Comment
  CAS-BOT-BC349946  Onopordum acanthium T. C. Fuller 1964-12-2 12918 Sierra At the top of the n. bank of Sunrise Creek, ca. 1 mi. n.w. of Verdi, Nevada, 100 yds s. of Dog Valley Rd. & 100 yds. w. of the Stateline in Sierra Co. Comment
  CAS-BOT-BC355583  Oreostemma alpigenum var. andersonii L. P. Janeway 1984-9-1 1103 Sierra On northwest side of Oakland Pond 2194 Comment
  CAS-BOT-BC355587  Oreostemma alpigenum var. andersonii John Thomas Howell 1951-8-21 28268 Sierra Yuba Pass 2042 Comment
  CAS-BOT-BC355588  Oreostemma alpigenum var. andersonii John Thomas Howell 1951-8-21 28268 Sierra Yuba Pass 2042 Comment
  CHSC59675  Oreostemma alpigenum var. andersonii L. P. Janeway 1992-8-26 4292 Sierra Plumas National Forest. 1.1 mi northeast of Haskell Peak, 1 mi southeast of Haskell Ravine, 0.9 mi northwest of Chapman Saddle. 2148 Comment
  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
  CHSC25495  Orthilia secunda L. Ahart 1977-8-2 434 Sierra N side of Mt. Fillmore, ca. 12 ne of La Porte. 2300 Comment
  CAS-BOT-BC458066  Orthilia secunda Anna Head 1920-7-30 s.n. Sierra Feather River Region, peninsula on Gold Lake 1920 Comment
  CAS-BOT-BC466317  Orthilia secunda Lewis S. Rose 1934-7-20 34396 Sierra Gold Lake 1950 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
  CAS-BOT-BC266623  Orthocarpus cuspidatus James R. Shevock 1985-7-6 11310 Sierra Tahoe National Forest, along California highway 89, about 5.4 miles N of Sierra-Nevada County line and N of Little Truckee River Campground 1900 Comment
  UCD21010  Orthocarpus cuspidatus subsp. cryptanthus E. Bortiri 2002-7-3 WFC 58 Sierra Perazzo Meadows, Sierra Co. Comment
  SEINET12270147  Orthocarpus hispidus J. G. Lemmon 1874-1 159 Sierra Sierra Co. &c Comment
  UCD123244  Orthocarpus luteus B. Crampton 1957-7-24 4415 Sierra Gordon Van Vleck Ranch, Sierra Valley, 4 miles northeast of Sattley. Comment
  SJSU14024  Orthocarpus luteus N. A. Hopkins 1988-7-26 1466 Sierra by Filippini Rd NW of E Canal 4 mi NW of Loyalton 1493 Comment
  SEINET11132691  Osmorhiza berteroi W. Harnach, N. Harnach 1990-6-30 447 Sierra Sierra Valley, Yuba Pass. 2042 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
  UC66439  Osmorhiza occidentalis S. B. Doten 1901-7-1 63 Sierra Webber Lake Comment
  RSA7997  Osmorhiza occidentalis H. A. Barker 1927-7-6 785 Sierra Gold Lake 1982 Comment
  SEINET11141867  Osmorhiza occidentalis S. B. Doten 1901-7-1 s.n. Sierra Webber Lake. Comment
  CHSC84985  Oxypolis occidentalis Lowell Ahart 2003-10-11 10626 Sierra Meadow, about 200 yards east of Port Wine Ridge Road and the remains of two old buildings, about 1 1/2 miles north of Scales, about 5 miles (air) south of La Porte. 1371 Comment
  JEPS102455  Oxypolis occidentalis Lowell Ahart 2001-9-28 9295 Sierra On the east side of the large meadow, east of the old homestead, about 1 1/4 miles north of Scales, about 2 miles (air) southeast of Poverty Hill (town). Comment
  CHSC42495  Oxyria digyna Lowell Ahart 1977-8-2 1531 Sierra In a large broken rock pile on the north side of Mt. Fillmore, near the summit, about 12 miles north-east of La Porte. 2255 Comment
  UC1609357  Oxyria digyna Lowell Ahart 1993-9-10 7212 Sierra n side Mount Fillmore (about 1 1/2 mi s of the dirt road from Gibsonville to Johnsville); n side of Mount Fillmore 2286 Comment
  UC180140  Packera pauciflora J. G. Lemmon Sierra Sierra County California Comment
  CAS-BOT-BC317145  Packera streptanthifolia W. R. Dudley 1894-9-1 s.n. Sierra Near Webber Lake Comment
  SEINET11744957 Image available Packera streptanthifolia A. A. Heller, P. B. Kennedy 1907-7-1 8665 Sierra Purdy Comment
  CAS-BOT-BC334343  Packera streptanthifolia var. streptanthifolia A. A. Heller; P. B. Kennedy 1907-7-1 8665 Sierra Purdy Comment
  CAS-BOT-BC317140  Packera streptanthifolia var. streptanthifolia Alice Eastwood 1918-6-29 7801 Sierra near Loyalton Comment
  CAS-BOT-BC28839  Paeonia brownii J. T. Howell; Gordon H. True 1970-7-14 5521 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  SEINET10947662  Paeonia brownii Andrew Townesmith, Karen M. Meyer 2007-7-16 Townesmith 820 Sierra Tahoe National Forest, Sierraville Ranger District. Along county road 450, 5.7 miiles east of junction with county road 860. At pull out for Kyburz Marsh Wildlife Viewing Area. T19N R16E S8. 1931 Comment
  RSA8022  Paeonia brownii H. A. Barker 1927-6-24 735 Sierra Packer Lake. 1982 Comment
  UC1101584  Panicum capillare Malcolm A. Nobs, S. Galen Smith 1949-8-21 1521 Sierra Island School , Island School (Sierra Valley) Comment
  RSA151629  Parnassia fimbriata R. C. Bacigalupi, L. Constance, E. Nasir 1953-9-9 4360 Sierra Along forest road between Webber Lake and Meadow Lake, Tahoe National Forest, very close to the county line, Sierra and Nevada County Boundary. 2134 Comment
  SEINET12270279  Pedicularis attollens J. G. Lemmon 1874-1 160 Sierra Sierra Co. &c Comment
  HSC103191  Pedicularis semibarbata Jade Paget-Seekins 2010-7-16 47 Sierra On the border of Tahoe and Plumas National Forests near Haskell Peak and Forest Route 28. 2239 Comment
  CHSC37224  Pellaea brachyptera L. Ahart 1982-7-28 3694 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of La Porte. 1700 Comment
  RSA686806  Pellaea brachyptera Robert Gustafson 1987-6-11 3486 a Sierra Wild Plum campground off highway 49 near Sierra City 1280 Comment
  UCD137651  Pellaea brachyptera L. Ahart 1982-7-28 3694 Sierra Ca. 1/4 mile N of Pacific Mine, ca. 5 mi. E of LaPorte. 1700 Comment
  CAS-BOT-BC71261  Pellaea bridgesii Elmer I. Applegate 1921-9-7 3364 Sierra Gold Lake 1981 Comment
  CHSC10627  Pellaea bridgesii Lowell Ahart 1967-9-29 Sierra Near Webber Lake. 2438 Comment
  CHSC46032  Pellaea bridgesii Lowell Ahart 1983-10-27 4469 Sierra On the north side of Milton Reservoir, north-west of Jackson Meadow Reservoir. 1706 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
  UC1795031  Pellaea bridgesii Ruth Kirkpatrick 2001-7-18 1067 Sierra E of Gold Lake day use area 1965 Comment
  CAS-BOT-BC71259  Pellaea bridgesii Lemmon 1974-8-1 s.n. Sierra Wessen Lake Comment
  CAS-BOT-BC71263  Pellaea bridgesii Lowell Ahart 1983-10-27 4469 Sierra north side of Milton Res., near Jackson Meadow Res. 1800 Comment
  SEINET10568063  Pellaea bridgesii Francis P. Daniels 1874-1 Daniels UMO 31181 Sierra Webber Lake, CA. Comment
  NY571155  Penstemon azureus var. azureus M. J. Williams 1977-7-26 7748- 3 Sierra Independence Lake 2118.4 Comment
  NY571204  Penstemon azureus var. azureus J. G. Lemmon 1874-1 155 Sierra Comment
  NY590174  Penstemon davidsonii var. davidsonii J. G. Lemmon 1875-1 217 Sierra Comment
  UC585126  Penstemon deustus E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1615 Sierra on highway 1 1/2 mi s Sierraville; s of Sierraville 1600 Comment
  UCR17467  Penstemon deustus Frank C. Vasek 1975-7-10 750710- 12 Sierra Sierra Nevada Mtns., 1 mi west of State Hwy 89 on Henness Pass Rd. 1951 Comment
  UCSB16092  Penstemon deustus Breedlove, Dennis 1962-6-13 Sierra Along State Highway 89; 3 miles south of Sierraville 1767 Comment
  RSA285705  Penstemon deustus subsp. deustus D. C. Michener 1981-7-16 4013 Sierra CA 89, 2.9 miles southeast of jct in Sierraville. Comment
  UC1012224  Penstemon deustus var. deustus Francis W. Pennell Jun 12 1940-Jun 13 1940 25838 Sierra Route 89 s Sierraville (along Gold Creek); s of Sierraville, along Gold Creek 1737 Comment
  NY591829  Penstemon deustus var. pedicellatus F. W. Pennell 1940-6-12 25838 Sierra Route 89, along Gold Creek, south of Sierraville. 1737.4 Comment
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Feb 25 2014
  JEPS95543  Penstemon deustus var. suffrutescens Lowell Ahart 1994-7-1 7421 Sierra 11 air miles NE of Alleghany (N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, 1 1/2 mi NE of Middlewaters) 1950 Comment
  NY609820  Penstemon deustus var. suffrutescens A. R. Kruckeberg 1954-8-2 3684 Sierra Sierra Buttes, Tahoe National Forest 2620.4 Comment
  JEPS9282  Penstemon gracilentus Rimo Bacigalupi with Aldo Bacigalupi 1952-8-19 3947 Sierra along Calif Hwy 49, 1/4 mi e of summit Yuba Pass; e of summit Yuba Pass 1950 Comment
  SDSU10943  Penstemon gracilentus D. F. Howe 1964-7-28 3886 Sierra 5.5 miles S of Gold Lake Lodge, Tahoe National Forest. 1829 Comment
  SEINET5328216 Image available Penstemon gracilentus W. Harnach, N. Harnach 1990-6-30 454 Sierra Sierra Valley, Yuba Pass 2042 Comment
  SEINET5328217 Image available Penstemon gracilentus W. Harnach, N. Harnach 1991-7-14 648 Sierra Sierra Valley; approx. 2 mi S of Yuba Pass campground 2109 Comment
  UC690304  Penstemon gracilentus Elmer I. Applegate 1921-9-7 3382 Sierra Gold Lake 2133 Comment
  NY600705  Penstemon gracilentus L. S. Rose 1934-7-1 34299 Sierra Northwest of Gold Lake 2103.1 Comment
  POM202944  Penstemon gracilentus L. S. Rose 1934-7-12 34351 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
  SEINET5328467 Image available Penstemon gracilentus P. B. Kennedy, Samuel Bradford Doten 1901-7-10 135 Sierra Canyon below Webber Lake Comment
  UCD40235  Penstemon laetus Rodney Gale Myatt 1972-6-1 1570 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  SEINET12265223  Penstemon lemmonii J. G. Lemmon 6 s.n. Sierra Downieville Buttes and northward Comment
  SEINET5329217 Image available Penstemon newberryi var. newberryi P. B. Kennedy, Samuel Bradford Doten 1901-7-10 141 Sierra Canyon below Webber Falls Comment
  CAS-BOT-BC383099  Penstemon patens Andrew Townesmith; Karen M. Meyer 2007-7-18 829 Sierra Tahoe National Forest, Sierraville Ranger District. 2.1 miles N of Forest Service road 07 on Forest Service road 07-40 2291 Comment
  NY650148  Penstemon roezlii H. M. Hall 07 1903 4485 Sierra Lower Sardine Lake 1828.8 Comment
  NY650151  Penstemon roezlii J. G. Lemmon 1874-1 153 Sierra Comment
  POM14662  Penstemon roezlii H. M. Hall, E. B. Babcock 1903-07 4485 Sierra Lower Sardine Lake. 1829 Comment
  UCD124153  Penstemon roezlii L. Ahart 1982-7-28 3719 Sierra Along dirt road near Pacific Mine, ca. 5 mi east of LaPorte. Yellow Pine Forest. 1700 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-BC239626  Penstemon rydbergii var. oreocharis W. R. Dudley 1894-8-31 s.n. Sierra Webber Lake Comment
  NY651336  Penstemon rydbergii var. oreocharis D. D. Keck 1944-7-8 5416 Sierra Sierra Valley, 1.5 miles north of Sattley, on Feather River road 1524.0 Comment
  UC1523835  Penstemon rydbergii var. oreocharis Ric Villasenor L. 1986-6-21 Sierra meadow areas on slopes w Smith Neck Creek (Loyalton); on slopes w of Smith Neck Creek, Loyalton Comment
  SEINET10547588  Penstemon rydbergii var. oreocharis Heidi H. Schmidt 1993-6-13 Schmidt 849 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Sagebrush flats, meadow. 1650 Comment
  SEINET5329669 Image available Penstemon rydbergii var. oreocharis G. Gifford 1980-7-26 s.n. Sierra Dog Valley in Marsh adjacent to the N of Dog Valley Campground 1920 Comment
  SEINET5329690 Image available Penstemon rydbergii var. oreocharis S. B. Doten 1901-6-20 55 -A Sierra Near Little Truckee River Comment
  JEPS29102  Penstemon speciosus Lauramay T. Dempster 1961-6-15 1453 Sierra just s Yuba Pass ((Calpine Lookout Rd. and Highway 89)); s of Yuba Pass (Calpine Lookout Rd and Highway 89) 1828 Comment
  NY660836  Penstemon speciosus F. W. Pennell 1940-6-12 25847 Sierra Route 89, along Little Truckee River, Sierraville 1828.8 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
  RSA7877  Penstemon speciosus H. A. Barker 1957-7-3 762 Sierra Grade between Gold Lake and Blairsden. 1677 Comment
  SJSU13897  Penstemon speciosus N. A. Hopkins 1986-6-30 1335 Sierra 2158 Comment
  CDA38516  Perideridia bolanderi W. E. Simonds 1960-7-4 s.n. Sierra Webber Lake. 0 Comment
  SEINET12119302  Perideridia bolanderi Bolander 1874-1 s.n. Sierra Sierra Co., &c Comment
  SFV8547  Perideridia gairdneri E. E. Grissell 1971-7-24 s. n. Sierra Sierra Nevada 6 miles north of Sattley. Comment
  SEINET11153652  Perideridia gairdneri subsp. borealis H. Hamlin 1904-1 s.n. Sierra Sierra Valley. Comment
  SEINET11154177  Perideridia gairdneri subsp. borealis P. B. Kennedy, S. B. Doten 1901-7-8 122 Sierra Near Webber Lake. Comment
  SEINET11154227  Perideridia howellii W. Harnach, N. Harnach 1990-8-17 506 Sierra Sierra Valley, 1.0 miles S of Sattley, Strang Ranch. 1524 Comment
  JEPS12403  Perideridia lemmonii W. L. Jepson 1918-8-19 8068 Sierra Lake Independence 2011 Comment
  UCR257794  Perideridia lemmonii George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19453 Sierra Northern Sierra Nevada Mountains, Henness Pass Road, 1.1 mile east of its junction with CA-89 at the north end of Kyburz Flat 1907 Comment
  CHSC60595  Perideridia parishii subsp. latifolia L. P. Janeway 1984-8-18 1004 Sierra At second switchback down the road from Packers Saddle towards Packer Lake. 1965 Comment
  CHSC69857  Perideridia parishii subsp. latifolia L. P. Janeway; Eric Schroder 1997-8-19 5351 Sierra Tahoe National Forest. Freeman Meadow along Church Creek; about 2.3 mi east of Gold Lake. Along small ephemeral channel into east side of wet meadow, near lodgepole pines. 2072 Comment
  RSA748573  Perideridia parishii subsp. parishii K. M. Meyer, A. Townesmith 2007-7-15 115 Sierra Tahoe National Forest. 4 mi. N on Hwy 270, off I-80 W. 1749 Comment
  JEPS124697 Image available Persicaria amphibia Peter Schultz 1967-7-8 52 Sierra .3 miles west of Sattley - Beckworth Road, on road to Calpine. Comment
  CAS-BOT-BC419162  Persicaria maculosa Lowell Ahart 1976-10-1 s.n. Sierra 3 miles south of Camptonville, on the road that leads to Alleghany Comment
  UCSB27413  Petrorhagia dubia Kunze, G. 1971-6-6 Sierra California 49; 3 miles north of North San Juan 1371 Comment
  UCR262442  Phacelia hastata var. hastata George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20798 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.9 miles NE of the Yuba County line, NE of Camptonville 796 Comment
  HSC79788  Phacelia heterophylla James Henrickson 1969-5-25 3454 Sierra 34 mi. WNW of Reno, 4 mi. W of Sattley up E side of Yuba Pass 1646 Comment
  SJSU12207  Phacelia heterophylla subsp. virgata N. A. Hopkins 1983-6-15 1142 Sierra Long Valley Rd c. 2 mi W of Bordertown 1767 Comment
  SJSU14068  Phacelia heterophylla subsp. virgata W. Savage 1964-6-25 314 Sierra 4 mi W of Downieville near Goodyears Bar 1158 Comment
  JEPS3233  Phacelia humilis L. S. Smith 1928-6-12 2326 Sierra Hennis Pass Rd Tahoe <National> Forest, west Sardine Valley 1828 Comment
  SD103796  Phacelia humilis Darley F. Howe 1978-7-16 Sierra Along Hwy 89, 12.3 mi N of Truckee 1920 Comment
  SJSU12203  Phacelia humilis N. A. Hopkins 1984-7-29 1219 Sierra near Babbitt Peak fire lookout station, Bald Mt Range 2651 Comment
  SJSU12238  Phacelia humilis N. A. Hopkins 1982-7-27 1098 Sierra c. 0.5 mi S of Babbitt Peak fire lookout station, Bald Mt Range 2621 Comment
  POM308725  Phacelia humilis var. humilis Betty J. Jorgensen 1944-6-22 466 Sierra Little Truckee River, 10 miles N of Hobart Mills. Comment
  CHSC53038  Phacelia hydrophylloides L. P. Janeway 1989-7-28 3537 Sierra Plumas National Forest. Beckwourth Ranger District. NE-facing slopes of Haskell Pk overlooking hwy 89 and Sulphur Cr. 2179 Comment
  JEPS108806  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
  JEPS1132  Phacelia mutabilis W. L. Jepson 1934-8-2 16800 Sierra 2 mi e Bassett sta.; North Fork Yuba River, Pioneer Road sta. 1706 Comment
  RSA10356  Phacelia mutabilis H. A. Barker 1926-7-2 28 Sierra Packer Lake Creek. 1982 Comment
  RSA428116  Phacelia mutabilis Robert Gustafson 1985-6-13 3168 Sierra SFSU Sierra Nevada Field Station, ca. 6 miles below Yuba Pass summit on Highway 49. 1921 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
  CHSC94179  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
  JEPS1094  Phacelia procera John G. Lemmon 1874-1 308 Sierra Webber Lake Comment
  SEINET12765119  Phacelia procera Lowell Ahart 2006-6-21 12847 Sierra On the west side of the Foote Road, about 4 miles (by road) south west of Alleghany.; 0 849 Comment
  CHSC45844  Phacelia racemosa Lowell Ahart 1983-10-27 4487 Sierra In a disturbed area near a dirt road that is about 2 miles south-east of Jackson Meadow Reservoir, about 1 mile south of Pass Creek, near Jackson Meadow Reservoir. 2011 Comment
  SEINET8477196  Phacelia racemosa D. Taylor 2011-8-10 21152 Sierra Henness pass road 2 miles east of keystone gap, Haypress Valley, CA 7 1/2 USGS quadrangle, North facing cirque 2073 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
  JEPS124098  Phacelia vallicola Lowell Ahart 2015-5-9 20160 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  JEPS124770 Image available Philadelphus J. Yamanaka 1965-6-29 35 Sierra 2.9 miles E. of Goodyear Bar, Downieville Highway 49. Comment
  CAS-BOT-BC72714  Philadelphus lewisii Carl B. Wolf 1937-8-6 9045 Sierra Northern Sierra Nevada, No. Fork of Yuba River, 2 1/2 mi. above Downieville 975 Comment
  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
  CAS-BOT-BC253533  Phleum W. Harnach; N. Harnach 1989-5-5 056 Sierra Along side of drainage ditch from Loyalton, Loyalton High School, Sierra Valley 1524 Comment
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May 29 2018
  CHSC66832  Phleum alpinum Vernon H. Oswald; Lowell Ahart 1996-8-19 8208 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) at Long Valley Creek, 1.3 mi S of the road to Bassetts. Meadow along the creek. 2225 Comment
  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
  CHSC81081  Phleum pratense Lowell Ahart 2001-8-10 9088 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
  JEPS75450  Phleum pratense W. L. Jepson 1934-8-2 16784 Sierra 2 mi e Bassett sta. (Pioneer road sta., North Fork Yuba River); North Fork Yuba River 1706 Comment
  SEINET4889149  Phleum pratense W. Harnach, N. Harnach 1990-7-12 472 Sierra Sierra Valley, approx 1.4 mile west of the Sierraville rodeo grounds on County road 1524 Comment
  UC1124177  Phlox diffusa G. T. Nordstrom 1936-7-9 907 Sierra 2.25 mi nnw Dog Valley; Sierraville Quad. 2133 Comment
  SJSU12044  Phlox diffusa N. A. Hopkins 1969-7-12 278 Sierra 0.25 mi NE of Packer L 1828 Comment
  UC1584006  Phlox gracilis G. Schoolcraft 1990-5-8 2014 Sierra near Calpine (w edge of Sierra Valley); Sierra Valley 1524 Comment
  UC908447  Phlox gracilis Herbert L. Mason 1924-6-18 1059 Sierra 1 mi from Gold Lake (near Plumas-Sierra County line) 1981 Comment
  POM282417  Phlox speciosa subsp. occidentalis J. W. Morrison s.n. Sierra Loyalton, Sierra Nevada mountain range, Sierra Valley drainage 1524 Comment
  UCD116137  Phoenicaulis cheiranthoides Sue Adams 1967-5-21 38 Sierra 15 miles east of Sierraville. 1310 Comment
  SEINET10325015  Phoradendron juniperinum W. Harnach, N. Harnach 2002-5-27 1064 Sierra 8 miles S of the intersection of Hwy 49 and Smithneck Road (Loyalton) and 0.9 mile E on Badnaugh Road. Comment
  SEINET10327082  Phoradendron juniperinum W. Harnach 1993-11-20 762 Sierra Ca 3 miles E of Yuba Pass on Hwy 49, on old logging spur road. 1768 Comment
  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
  CAS-BOT-BC58241  Phyllodoce breweri Elmer I. Applegate 1921-9-7 4353 Sierra Gold Lake. 2133 Comment
  CHSC43519  Phyllodoce breweri Lowell Ahart 1976-10-11 1219 Sierra Meadow on the north side of Mount Fillmore, about 12 miles north-east of La Porte. 2133 Comment
  CHSC73417  Phyllodoce breweri B. Castro; L. Gehrung, H. Durio 1995-9-14 638 Sierra Ca. 0.7 air mi SW of the top of Mt. Fillmore, and ca 0.3 mi SE of jeep trail 10E11, which traverses the headwaters of Pearson Ravine. 2042 Comment
  MACF021046  Pinus contorta Trudy R. Ericson 1976-7-3 574 Sierra Approx. 2 miles northeast of Babbitt Peak Lookout Station, Tahoe National Forest 2669 Comment
  UCD134517  Pinus contorta subsp. murrayana Javier Penalosa 1962-6-20 2549 Sierra Little Truckee R at Hwy. 89. 1905 Comment
  SEINET11528781  Pinus contorta var. murrayana W. Harnach, N. Harnach 1991-6-23 570 Sierra Sierra Valley. Just S of Sattley, Parlanti Ranch. 1524 Comment
  CAS-BOT-BC78709  Pinus jeffreyi W. R. Dudley 1894-9-1 s.n. Sierra Sugar Pine Flat, nor. of Truckee Comment
  SEINET5334603  Pinus jeffreyi W. D. Billings 1951-7-8 2113 Sierra Wber Peak W. of Weber Lake 2286 Comment
  HSC1509  Pinus lambertiana R. G. Means 1962-6-19 1 Sierra Old Independence Lake Rd. 2.5 mi. N of Sagehen Creek Project Rd. 2104 Comment
  POM181973  Pinus lambertiana J. G. Lemmon 1875-5-3 1875 Sierra Mt. Hermosa, above Sierra Valley Comment
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Mar 6 2011
  UC336033  Pinus lambertiana unknown 1887-8-1 Sierra Randolph Comment
  UC336036  Pinus lambertiana J. G. Lemmon and wife Sierra Webber Lake Comment
  UC336029  Pinus monticola unknown 1887-8-1 Sierra Webber lake 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
  CAS-BOT-BC228033  Plagiobothrys W. Harnach; N. Harnach 1989-6-18 156 Sierra Sierra Valley. Calpine Ranch (home) 1501 Comment
  UCR242990  Plagiobothrys cusickii Ayzik Solomeshch 2009-6-7 s.n. Sierra Sierra Valley, Bradley Ranch, along Calpine Road, c. 100 m north from the road 1495 Comment
  CAS-BOT-BC228233  Plagiobothrys hispidulus John Thomas Howell; Gordon H. True 1970-7-14 5535 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  JEPS61029  Plagiobothrys hispidulus W. I. Follett 1937-6-18 85 Sierra Mohawk Creek Little Valley Comment
  UC1063808  Plagiobothrys hispidulus H. S. Yates 1935-6-29 5294 Sierra Church Meadows Downieville Quad., Church Meadows Comment
  JEPS68156  Plagiobothrys torreyi John Gill Lemmon 1875-1 Sierra Webber Lake Comment
  SEINET12345214  Plagiobothrys torreyi J. G. Lemmon 1874-1 167 Sierra Sierra Co. &c Comment
  SCFS2391  Plantago lanceolata J. Ammirati 1964-6-25 120 Sierra Ca 1 mi W of Downieville on Hwy 49 914 Comment
  CHSC80958  Plantago major Lowell Ahart 2001-8-10 9093 Sierra 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
  SEINET6167913  Platanthera dilatata var. leucostachys W. Harnach, N. Harnach 1989-1 Sierra Comment
  JEPS64401  Platanthera leucostachys W. L. Jepson 1934-8-6 16872 Sierra s Sierraville; Cold Creek Comment
  CHSC46541  Platanthera sparsiflora Lowell Ahart 1975-8-17 945 Sierra South-east of Jones Valley, about 3 miles west and 2 miles south of Webber Lake. 2133 Comment
  SEINET3892853  Platanthera sparsiflora D. W. McNeal 1995-7-15 4116 Sierra Beside Mills Pk. Rd., 0.5 mi E of the jct. of the Gold Lake cutoff, Plumas National Forest.; 0 Comment
  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
  SEINET8530732  Plectritis brachystemon W. Harnach, N. Harnach 2000-5-5 882 Sierra Newman Point (Rice on topo maps), approximately 5 miles northeast of Sierraville, CA on Hwy 49 1533 Comment
  CHSC85301  Pleuricospora fimbriolata John Dittes; Lowell Ahart 2003-9-28 836 Sierra Northern High Sierra Nevada; ca. 7.6 air-miles northeast of La Porte, ca. 11.9 air-miles north of Downieville, ca. 14.9 air-miles south by southeast of Quincy; north slope of Mt. Fillmore. 2159 Comment
  CAS-BOT-BC458193  Pleuricospora fimbriolata Lowell Ahart 1983-10-27 4467 Sierra About 2 miles NW of Milton Res., near Jackson Meadow Res. 2000 Comment
  CAS-BOT-BC110662  Poa W. Harnach; N. Harnach 1990-6-30 440 Sierra Sierra Valley. Yuba Pass. 2042 Comment
  CAS-BOT-BC261027  Poa Catherine Best 1982-7-12 745 Sierra Herrington's, Sierra City, Sierra Nevada 1219 Comment
  CAS-BOT-BC261028  Poa W. Harnach; N. Harnach 1989-5-18 099 Sierra Calpine Ranch (home), Sierra Valley 1505 Comment
  CAS-BOT-BC254775  Poa bolanderi Lowell Ahart 1977-8-2 1490 Sierra On the N side of Mount Fillmore, about 12 miles NE of La Porte 2000 Comment
  SEINET7744966  Poa bulbosa W. Harnach, N. Harnach 1989-5-18 100 Sierra 0.5 miles E of Calpine, Calpine Ranch (home), Sierra Valley. 1506 Comment
  UCR80879  Poa bulbosa G. L. Webster 1990-5-13 7730 Sierra Sierra Valley, 0.5 mi. west of Sierraville 1509 Comment
  CAS-BOT-BC255104  Poa compressa Catherine Best 1984-6-19 1016 Sierra Sardine Lake Comment
  HSC96969  Poa compressa L. Ahart 2006-6-21 12801 Sierra W side of Foote Rd., near Blue Ravine, about 3 mi. SW of Alleghany. 1054 Comment
  JEPS110254  Poa cusickii subsp. epilis Lowell Ahart 2006-6-28 12877 Sierra On the west slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1880 Comment
  SEINET7760667  Poa fendleriana K. Genz 1979-5-23 9120 Sierra Turning south at forest boundary and Long Valley Road, travel Mitchell Canyon Road for 2.3 miles 1817 Comment
  JEPS71276  Poa fendleriana subsp. longiligula Leland S. Smith 1928-6-12 2338 Sierra above Hennis Pass; Tahoe Forest 1981 Comment
  RSA115600  Poa palustris Beecher Crampton 1957-7-24 4420 Sierra Peat meadow, Van Vleck Ranch, Sierra valley, 4 miles northeast Sattley Comment
  CAS-BOT-BC247433  Poa pratensis Melissa A. Berry 1957-6-28 s.n. Sierra Highway 89 1524 Comment
  UCD91912  Poa pratensis H. M. Hall; E. B. Babcock 1993-7-1 4479 Sierra Sierra Valley. 1524 Comment
  UC593541  Poa pratensis subsp. pratensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-3 1614 Sierra on hwy 1 1/2 mi s Sierraville 1600 Comment
  RSA719208  Poa secunda L. Ahart 2006-6-21 12831 Sierra about 2.5 miles (by road) west of Forest. 1398 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-BC236292  Poa secunda subsp. juncifolia David D. Keck 1944-7-8 5408 Sierra Sierra Valley, 1.5 miles N of Sattley, on Feather River road 1524 Comment
  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
  UCD92237  Poa secunda subsp. juncifolia Beecher Crampton 1957-7-24 4408 Sierra Gordon Van Vleck Ranch. Sierra Valley. 4 miles northeast of Sattley. 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-BC243210  Poa secunda subsp. secunda Javier Penalosa 1962-6-20 2557 Sierra Ridge W of Little Truckee River at Highway 89 1935 Comment
  CAS-BOT-BC243211  Poa secunda subsp. secunda S. B. Doten 1901-6-16 48 Sierra Sierra Valley Comment
  SEINET7861940  Poa secunda subsp. secunda K. R. Genz 1979-5-23 9118 Sierra Turning south at forest boundary and Long Valley Road, travel Mitchell Canyon Road for 2.3 miles. 1817 Comment
  SEINET7875879  Poa wheeleri P. B. Kennedy, S. B. Doten 1901-7-10 139 Sierra Canyon below Webber Lake. Comment
  CAS-BOT-BC232868  Polemonium W. R. Dudley 1894-8-1 s.n. Sierra Woods near Webber Lake Comment
  CAS-BOT-BC277753  Polemonium californicum Mona Bourell 1986-7-4 1819 Sierra Jackson Reservoir Rd., mile from Junction w/ Hwy 89. Toward Webber Lake Comment
  CHSC64331  Polemonium occidentale H. H. Schmidt; M. Merello, L. Woodruff 1993-6-13 853 Sierra Tahoe National Forest on state highway 89. 1.7 miles N of Sierraville. Meadow near water. (Original lat./long. on label is '39 35 75 N; 120 23 88 W'). 1650 Comment
  UCD109712  Polygala cornuta N. Hopkins 1975-7-24 703 Sierra by Woodruff Creek, 0.5 mi S of its confluence with Rock Creek. Comment
  SBBG67660  Polygala cornuta var. cornuta J. G. Lemmon -Jun-1877 Sierra Downieville Buttes Comment
  UC1136135  Polygonum aviculare subsp. buxiforme H. S. Yates 1935-6-28 5270 Sierra 5 1/4 mi nne Sattley; Sierraville Quadrangle 1493 Comment
  UC1586499  Polygonum bistortoides Lowell Ahart 1991-7-22 6677 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  PASA1501  Polygonum bistortoides Margaret Stason 1932-6-21 427 Sierra Near hobart Mills Comment
  CAS-BOT-BC414579  Polygonum douglasii Lewis S. Rose 1934-7-15 34371 Sierra Gold Lake 1950 Comment
  SDSU9679  Polygonum douglasii D. F. Howe 1964-7-28 3887 Sierra 5.5 miles south of Gold Lake Lodge, Tahoe National Forest. 1829 Comment
  CAS-BOT-BC414580  Polygonum douglasii Margaret Williams 1972-8-27 s.n. Sierra Merrill Valley just north of Stampede Dam 2011 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
  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
  CHSC66818  Polygonum douglasii subsp. douglasii Vernon H. Oswald; Lowell Ahart 1996-8-19 8187 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1.6 mi S of Hwy. 49. Growing on a moist slope along a drainage on the W edge of the road. 2133 Comment
  JEPS107585  Polygonum douglasii subsp. douglasii Lowell Ahart 2005-8-30 12361 Sierra East of Pass Creek, about 100 yards southeast of the falls on Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2073 Comment
  UC1609028  Polygonum douglasii subsp. douglasii Lowell Ahart 1993-9-24 7246 Sierra about 3/4 mi s dirt road from Gibsonville to Johnsville (n side of mt., w side of poor dirt road that ends at a stream); Mount Fillmore 2133 Comment
  SEINET11935010  Polygonum douglasii subsp. douglasii L. P. Janeway 1989-1 3632 Sierra N-facing slopes of mixed conifer forest along SE side of McNair Mdw, ca 1 mi W of Calpine L.O 1631 Comment
  UC1562821  Polygonum douglasii subsp. spergulariiforme Barbara Ertter with Tahoe Chapter CNPS 1987-6-27 7212 Sierra on Tahoe Nat'l For. Rd S450 ca 1.5 mi e Hwy 89 (ca 12 air mi n of Truckee, head of river, flat n of road); Kyburz Flat, Little Truckee River 1920 Comment
  RSA466403  Polygonum kelloggii Fay A. MacFadden 1934-6-29 12542 Sierra Little Truckee River Comment
  CAS-BOT-BC418528  Polygonum minimum Lowell Ahart 1983-10-27 4475 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
  SEINET4335365  Polygonum minimum K. Burnstad 1974-9-14 s.n. Sierra Sierra Nevada, Nelson Creek, Plumas Nat. Forest 1981 Comment
  UC585243  Polygonum polygaloides subsp. confertiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-3 1652 Sierra about 5 mi n Sattley; Sierra Valley Comment
  CAS-BOT-BC419871  Polygonum polygaloides subsp. confertiflorum Catherine Best 1984-6-19 1011 Sierra Sierra Valley on Hwy A23 .5 miles south of Plumas Co. Comment
  CAS-BOT-BC419915  Polygonum polygaloides subsp. kelloggii John Thomas Howell; Gordon H. True 1969-6-25 45851 Sierra 3 miles north of Bassetts on road to Gold Lake 1950 Comment
  CAS-BOT-BC419962  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1934-7-10 34345 Sierra Ridge W. of Gold Lake 2133 Comment
  UC173664  Polygonum shastense J. G. Lemmon 1875-1 Sierra Comment
  CAS-BOT-BC421060  Polygonum spergulariiforme James Jokerst 1985-7-22 2521 Sierra Near Carman Creek. 901 Comment
  CAS-BOT-BC421061  Polygonum spergulariiforme W. R. Dudley 1909-8-25 s.n. Sierra Sierra Valley Comment
  CAS-BOT-BC233035  Polypogon interruptus Lowell Ahart 1977-5-31 s.n. Sierra 7 miles W of Alleghany 1500 Comment
  HSC97017  Polystichum imbricans subsp. imbricans L. Ahart 2006-6-21 12820 Sierra N side of Foote Rd., 1.3 mi. SW of Alleghany 1306 Comment
  UCR249140  Polystichum imbricans subsp. imbricans George K. Helmkamp, Elizabeth Helmkamp 2013-6-5 20766 Sierra Northern Sierra Nevada Mountains Foothills, Along CA-49, 1.2 miles north of the Yuba County line 901 Comment
  CAS-BOT-BC72371  Polystichum kruckebergii D. Showers 1980-10-5 DS 4432 Sierra 1/2 mile southwest of Mtn. Mine, Sierra Buttes 2377 Comment
  SEINET10734808  Populus angustifolia Andrew Townesmith, Karen M. Meyer 2007-7-16 Townesmith 818 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
  UCR564  Populus tremuloides Frank C. Vasek 1955-6-26 s.n. Sierra Sierra Nevada Mtns., Hwy 89, 15 mi. north of Truckee, Tahoe National Forest 2000 Comment
  CAS-BOT-BC105520  Populus trichocarpa Lowell Ahart 1981-6-23 2879 Sierra Bottom of Wallace Creek, right along the edge of the dirt road, about 4 miles northeast of La Porte. 1700 Comment
  SEINET10349374  Populus trichocarpa K. E. Bradshaw 1942-5-20 KB 407 Sierra 3 miles SW of Purdy. Old Trosi Ranch. 1676 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
  SEINET10873427  Porterella carnosula Rimo Bacigalupi 1953-7-7 Bacigalupi 4274 Sierra Edge of swamp not far from a grove of Jeffrey Pines, just 1 mile east of Calpine, Sierra Valley 1494 Comment
  SEINET10873431  Porterella carnosula F. A. MacFadden 1934-6-29 MacFadden 12541 Sierra Little Truckee River, 13 miles from Hobart Mills on old road to Reno Comment
  UCSB9836  Porterella carnosula Mason, Herbert; Sweeney, J. 1953-7-7 Sierra Just 1 mile east; of Calpine, Sierra Valley 1493 Comment
  CAS-BOT-BC452087  Potamogeton alpinus W. R. Dudley 1894-8-1 s.n. Sierra In Webber Lake Comment
  CAS-BOT-BC452088  Potamogeton alpinus W. R. Dudley 1894-8-1 s.n. Sierra In Webber Lake Comment
  UC338851  Potamogeton amplifolius Gray 46 Sierra 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
  UCD138307  Potamogeton gramineus P. B. Schultz 1967-7-8 56 Sierra 0.3 mile west of Sattley - Beckwourth road, on road to Calpine. 1493 Comment
  RSA252437  Potamogeton natans Robert F. Thorne, C. W. Tilforth 1969-9-6 39193 Sierra Just E of Highway from Snag Lake (SE of Gold Lake). 1951 Comment
  RSA286296  Potamogeton natans Robert F. Thorne 1974-7-30 45064 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2057 Comment
  CAS-BOT-BC453748  Potamogeton natans Lemmon No date on label s.n. Sierra Sierra Valley Comment
  SBBG72517  Potentilla biennis J. G. Lemmon 1875-1 Sierra Sierra Valley Comment
  RSA7886  Potentilla glandulosa subsp. ashlandica H. A. Barker 1927-7-23 828 Sierra Gold Lake 1982 Comment
  UCD113844  Potentilla gracilis B. Crampton 1957-7-24 4413 Sierra Gordon Van Vleck Ranch, Sierra Valley, 4 miles northeast of Sattley. Comment
  CHSC64657  Potentilla gracilis var. fastigiata H. H. Schmidt; M. Merello, L. Woodruff 1993-6-13 847 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Meadow, roadside. [Original lat./long. on label is '39 35 N; 120 23 W']. 1650 Comment
  UC66118  Potentilla gracilis var. fastigiata S. B. Doten 1901-7-12 155 Sierra Webber Lake Comment
  UCR257686  Potentilla gracilis var. fastigiata George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19435 Sierra Northern Sierra Nevada Mountains, along Hwy CA-89, c. 8 miles north of the Nevada County line 1823 Comment
  CAS-BOT-BC541005  Potentilla gracilis var. fastigiata Catherine Best 1984-6-19 1000 Sierra Sierra Valley, 1/2 mile west of Sierraville on Hwy. 89 Comment
  SEINET6637121  Potentilla gracilis var. fastigiata S. B. Doten 1901-7-12 155 Sierra [Sierra Nevada] Webber Lake Comment
  SEINET11916548  Potentilla gracilis var. glabrata J. G. Lemmon 1874-1 s.n. Sierra Sierra Co., &c., Comment
  CAS-BOT-BC158513  Potentilla millefolia D. E. Breedlove 1962-6-13 3499 Sierra Along State Highway 89, 4.2 miles north of Sierraville 1524 Comment
  CHSC81050  Potentilla rivalis Lowell Ahart 2001-8-10 9073 Sierra Strand of Stampede Reservoir, about 1 mile southwest of Henness Pass Road, about 1 1/4 miles northwest of Stampede Reservoir Dam. 1810 Comment
  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
  CAS-BOT-BC47626  Primula suffrutescens H. Albert Barker 1926-7-8 84 Sierra Gold Lake Ridge 2103 Comment
  CHSC43030  Primula suffrutescens L. P. Janeway 1984-8-11 987 Sierra Vicinity of Sierra Buttes. Where trail up Sierra Buttes meets jeep trail, overlooking Young America Lake. Near top of gravelly slope mostly shaded by a low mountain hemlock. 2316 Comment
  CAS-BOT-BC158196  Prunus emarginata Jean L. Pawek 1956-5-21 56 Sierra Highway 49 1524 Comment
  JEPS125665  Prunus emarginata William Harnach 2013-5-14 1348 Sierra 3.2 miles west of the Highway 89 Main Street intersection, Calpine on Forest Road 52. Comment
  SEINET10737096  Prunus emarginata Andrew Townesmith, Karen M. Meyer 2007-7-18 Townesmith 830 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
  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
  UC1128344  Prunus emarginata N. French 1934-7-24 535 Sierra 1 mi se of Webber Lake (Tahoe National Forest); Tahoe National Forest 2133 Comment
  UCR196994  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2008-5-20 13485 Sierra Sierra Nevada Mountains Foothills, Henness Pass road, 3.4 miles northeast of Camptonville 1261 Comment
  SEINET11910985  Prunus emarginata F. H. Utech 1986-1 86 -051 Sierra Tahoe National Forest, Wild Plum Recreation Area, ca 2 mi E of Sierra City on CA 49 1350 Comment
  CAS-BOT-BC154673  Prunus subcordata P. C. Everett; E. K. Balls 1954-10-8 20248 Sierra Hwy 49, Downieville to Sierra City, 7.7 mi. e. of Downieville 1219 Comment
  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
  SJSU14470  Prunus virginiana var. demissa N. A. Hopkins 1990-8-25 1632 Sierra c. 1.5 mi S of Calpine 1524 Comment
  JEPS124555 Image available Prunus virginiana var. demissa J. Yamanaka 1965-6-29 40 Sierra Union Flat Campground. Comment
  CDA9215  Pseudostellaria jamesiana D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .309 Sierra Haypress Creek. Wild Plum Campground along Route 49. 0 Comment
  CHSC23018  Pseudostellaria jamesiana Robert A. Schlising 1964-7-11 2737 Sierra Off Hwy 49, along trail to Bear Trap Meadow and along Lunch Creek, short distance west of Yuba Pass. Comment
  SEINET8849724  Pseudostellaria jamesiana W. Harnach, N. Harnach 1990-6-6 338 Sierra Sierra Valley, 0.5 miles S of Sattley, Martinetti Ranch. 1518 Comment
  POM286227  Pseudostellaria jamesiana Lyman Benson, J. W. Morrison s.n. Sierra Sierra Nevada Mtn. Range, near Sierra Valley River and Loyalton 1524 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
  UCR206988  Psilocarphus tenellus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14844 Sierra Northern Sierra Nevada Foothills, along CA-49, 1.6 miles north of the Yuba County line 902 Comment
  CAS-BOT-BC460545  Pterospora andromedea Mrs. E. C. Sutliffe 1920-9-1 s.n. Sierra Salmon Lake 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
  UC334217  Pterospora andromedea J. G. Lemmon 1874-1 Sierra Sierra Valley Comment
  CAS-BOT-BC460540  Pterospora andromedea W. R. Dudley 1894-9-1 s.n. Sierra Lake of the Woods Comment
  UCD38328  Purshia tridentata Beecher Crampton 1954-5-10 1861 Sierra 1.5 miles north of Sattley, Highway 89. Comment
  CAS-BOT-BC147887  Purshia tridentata var. tridentata Alice Eastwood 1918-6-29 7871 Sierra Loyalton Comment
  CAS-BOT-BC147888  Purshia tridentata var. tridentata W. R. Dudley 1909-8-26 s.n. Sierra Sierra Valley, near Hot Springs Comment
  JEPS18592  Purshia tridentata var. tridentata L. S. Smith 1932-4-24 Sierra e of Loyalton Comment
  UC1128532  Purshia tridentata var. tridentata G. T. Nordstrom 1936-7-9 916 Sierra 2.25 mi nnw Dog Valley; Sierraville Quad. 2133 Comment
  SBBG50277  Pyrola asarifolia L. S. Mott 1965-8-8 Sierra Packer Lake Comment
  CAS-BOT-BC465502  Pyrola asarifolia Gladys L. Smith 1959-6-19 1222 Sierra Lower Sardine Lake 1828 Comment
  CHSC44003  Pyrola asarifolia subsp. asarifolia L. P. Janeway 1984-8-24 1086 Sierra At the lake just SW of Snag lake. 2026 Comment
  CHSC10603  Pyrola picta Lowell Ahart 1968-7-12 Sierra Vicinity of Sierra and Yuba County line. Near Poverty, 10 miles from La Porte. 914 Comment
  CAS-BOT-BC466124  Pyrola picta Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Deer Lake Comment
  SJSU13993  Pyrrocoma lanceolata var. lanceolata N. A. Hopkins 1988-8-9 1463 Sierra c. 4 mi W of Loyalton, Sierra Valley 1493 Comment
  CAS-BOT-BC328154  Pyrrocoma lucida John Thomas Howell 1955-7-20 30879 Sierra Near Calpine, Sierra Nevada 1508 Comment
  UC86534  Pyrrocoma racemosa var. paniculata J. G. Lemmon 1875-1 126 Sierra Comment
  CAS-BOT-BC68638  Quercus chrysolepis Catherine Best 1983-8-29 860 Sierra Herrington's Sierra City 1219 Comment
  CAS-BOT-BC68640  Quercus chrysolepis Elmer I. Applegate 1921-9-8 3391 Sierra Near Sierra City Comment
  CHSC47416  Quercus chrysolepis Lowell Ahart 1976-8-10 1186 Sierra On a dry hillside, about 6 air miles west of Downieville. 1371 Comment
  CHSC97714  Quercus kelloggii Lowell Ahart 2007-10-25 14503 Sierra West side of a 20 acre meadow, about 40 yards east of Port Wine Ridge Road and the remains of two old buildings, about 1 1/2 miles north of Scales, about 5 miles (air) south of La Porte. 1432 Comment
  UCD46604  Quercus kelloggii P. B. Schultz 1967-6-30 31 Sierra 2 miles east of Downieville, Sierra County, California. 929 Comment
  SEINET10431740  Quercus kelloggii Unknown 1936-10-4 s.n. Sierra A few miles W of Loyalton. 2347 Comment
  CAS-BOT-BC104612  Quercus vacciniifolia George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  POM203499  Quercus vacciniifolia L. S. Rose 1934-7-12 34349 Sierra Gold Lake. 1951 Comment
  SEINET13954008 Image available Quercus vacciniifolia A. R. Kruckeberg 1954-1 3676 Sierra Along shores of Tamarack Lack 2 mi. e. of Sierra Buttes. Tahoe N.F. 7500 ft. 2286 Comment
  JEPS87651  Raillardella argentea Lowell Ahart 1994-7-1 7436 Sierra n side of Henness Pass Rd e Keystone Mountain (about 1 1/2 mi ne of Middlewaters, about 11 air mi ne of Alleghany); Keystone Gap 2011 Comment
  SEINET10799136 Image available Raillardella argentea John G. Lemmon 1875-1 Lemmon 186 Sierra Sierra Co. Comment
  CHSC40632  Raillardella scaposa J. D. Jokerst 1982-9-10 1669 Sierra Along trail to summit of Sierra Buttes from Packer Lake. 2316 Comment
  CAS-BOT-BC379453  Ranunculus alismifolius var. alismellus R. K. Wellman 1981-5-16 38 Sierra Yuba Pass of Highway 49 2042 Comment
  SJSU13875  Ranunculus alismifolius var. alismifolius N. A. Hopkins 1985-6-18 1281 Sierra between Hwy 89 & Carmen Valley 1554 Comment
  SJSU9768  Ranunculus alismifolius var. alismifolius C. W. Sharsmith 1982-5-31 8681 Sierra near McPherrin Camp , between Hwy 89 & Carmen Valley, 2 mi NW of Calpine 1524 Comment
  RSA8014  Ranunculus alismifolius var. hartwegii H. A. Barker 1927-6-22 721 Sierra Gold Lake. 1954 Comment
  UC191195  Ranunculus andersonii J. G. Lemmon April 1875 Sierra Sierra Valley Comment
  CHSC45396  Ranunculus aquatilis var. capillaceus Lowell Ahart 1980-9-9 2615 Sierra In a small pond along the edge of the dirt road, about 1/2 mile east of Webber Lake. 2011 Comment
  SEINET5338451  Ranunculus aquatilis var. diffusus L. Williams 1972-8-27 1009 Sierra Worn Mill in Little Truckee R. 5.2 mi from Boca. 1737 Comment
  SJSU12167  Ranunculus aquatilis var. diffusus N. A. Hopkins 1971-6-14 392 Sierra by road between Sierraville & Lemon Canyon, 5 mi SE of Sierraville Comment
  SJSU4025  Ranunculus aquatilis var. diffusus C. W. Sharsmith & Wayne Savage 1967-5-20 Sierra in drainage of open meadow land 1 mi N of Sattley, Sierra Valley 1493 Comment
  SJSU12170  Ranunculus cymbalaria N. A. Hopkins 1976-6-22 840 Sierra 0.5 mi N of Sattley, Sierra Valley 1524 Comment
  CAS-BOT-BC6139  Ranunculus lemmonii John Gill Lemmon 1879-1-1 s.n. Sierra Sierra Valley Comment
  SEINET5338807  Ranunculus occidentalis C. Bell 1962-5-9 s.n. Sierra Dog Valley; West of Verdi, Nev., Sierra City. 1737 Comment
  SEINET5338814  Ranunculus occidentalis P. A. Lehenbauer 1935-5-21 s.n. Sierra Balls Canyon. Comment
  SJSU6443  Ranunculus occidentalis N. A. Hopkins 1971-6-14 384 Sierra near rd to Lemon Canyon, 1.5 mi SE of Sierraville 1584 Comment
  SEINET5338834  Ranunculus occidentalis var. ultramontanus P. A. Lehenbauer 1930-5-15 1449 Sierra Verdi Glen. Comment
  UC1368481  Ranunculus orthorhynchus var. orthorhynchus R. K. Gierisch and D. H. Esplin 1969-6-25 3487 Sierra Saddle Mdw. Tahoe National Forest 1950 Comment
  NY841937  Ranunculus oxynotus J. G. Lemmon 1874-1 4 Sierra Castle Peak. Comment
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Mar 5 2011
  CHSC66820  Rhamnus alnifolia Vernon H. Oswald; Lowell Ahart 1996-8-19 8239 Sierra Northern High Sierra Nevada. S side of Little Truckee River Bridge on the road to Independence Lake, just S of Forest Rt. 07 and ca. 1 mi W of Hwy 89. 1950 Comment
  JEPS87608  Rhamnus purshiana Lowell Ahart 1994-7-1 7429 Sierra about 1.5 mi ne Middlewaters (on the n side of Henness Pass Road, at Keystone Gap, e of Keystone Mountain, about 11 mi ne (air) of Alleghany); Keystone Gap 1889 Comment
  RSA21688  Rhamnus purshiana Carl B. Wolf 1937-8-6 9048 Sierra Northern Sierra Nevada, North Fork of Yuba River, 5 miles above Downieville. 1067 Comment
  CAS-BOT-BC56585  Rhododendron columbianum Mrs. E. C. Sutliffe 1920-9-1 s.n. Sierra Salmon Lake Comment
  UCD117841  Rhododendron columbianum R. O. Hanes 1995-7-17 271 Sierra Tahoe Forest. Quartz Mtn. 1773 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
  CHSC92411  Rhododendron neoglandulosum L. P. Janeway; B. Castro 2005-9-20 8549 Sierra Northern Hight Sierra Nevada. Plumas National Forest; about 50 m south of Gold Run Creek and 530 m east of 'town' of Poverty Hill. 1372 Comment
  UCR54284  Rhododendron occidentale B. G. Pitzer, Steve Morgan, H. M. Soldan 1988-5-29 0939 Sierra Tahoe National Forest, 3.5 mi east of Downieville on Hwy 49. 1220 Comment
  RSA515710  Rhododendron occidentale var. californicum B. Pitzer, S. Morgan, H. M. Soldan 1988-5-29 939 Sierra Tahoe National Forest. 3.5 miles E of Downieville on Hwy 49. 1220 Comment
  SEINET12216479  Ribes californicum J. G. Lemmon 1874-1 80 Sierra Sierra Co., &c Comment
  CAS-BOT-BC108758  Ribes cereum John Thomas Howell; Gordon H. True 1970-7-14 5524 Sierra Sierra Nevada. At Verdi Peak Lookout, Verdi Range. 2560 Comment
  CAS-BOT-BC108763  Ribes cereum Margaret Williams; Arnold Tiehm s.n. Sierra Meadow near Cold Creek Campground, southeast of Sierraville. 1737 Comment
  SJSU14246  Ribes cereum N. A. Hopkins 1989-7-1 1545 Sierra c. 7 mi S of Yuba Pass on rd to Weber L 2316 Comment
  UC1127441  Ribes cereum G. T. Nordstrom 1936-7-9 917 Sierra 2.1 mi nnw Dog Valley; Sierraville Quadrangle Comment
  UC54304  Ribes cereum H. M. Hall and E. B. Babcock July, 1903 4516 Sierra Howard Creek Sierra Nevada Mountains 2133 Comment
  SEINET5339539  Ribes cereum M. J. Williams, A. Tiehm 1974-6-2 74 -B-3 Sierra Meadow near Hwy 89, north of Hobart Mills 1737 Comment
  UCD160667  Ribes cereum var. cereum Kai Battenberg; Alison M. Berry, Jannah Wren 2015-6-26 KB- 12 Sierra Collected in Sagehen Creek Field Station. Off of Holcombs Road. 100m on County Road 11. 2002 Comment
  CAS-BOT-BC169088  Ribes inerme var. inerme Rimo Bacigalupi 1927-7-4 1611 Sierra Along banks of North Fork of the Yuba River, 2 miles west of Yuba Pass 1920 Comment
  SJSU12137  Ribes nevadense N. A. Hopkins 1975-5-8 639 Sierra just E of Sierra -Yuba county line 944 Comment
  SEINET12217056  Ribes nevadense F. H. Utech 1986-1 86 -056 Sierra Tahoe National Forest, Wild Plum Recreation Area, ca 2 mi E of Sierra City on CA 49 1350 Comment
  UCR131631  Ribes roezlii Beecher Crampton 1954-5-11 1897 Sierra Tahoe National Forest, 2 miles [north]east of Sierra City on Hwy 49 1341 Comment
  SEINET5339783  Ribes roezlii L. McKenzie 1948-5-10 10 Sierra West slope of canyon, 3 miles west of Verdi, NV. 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
  CHSC57284  Ribes roezlii var. roezlii L. P. Janeway 1984-8-12 992 Sierra Ridge-top just south of Packer Saddle. 2148 Comment
  SEINET5339791  Ribes velutinum P. A. Lehenbauer 1937-6-8 62 Sierra 25 mi. w. of Reno, NV, on Truckee River at Iceland, s. side of river by falls. 1676 Comment
  NY455581  Ribes viscosissimum J. G. Lemmon 1874-1 s.n. Sierra Comment
  CAS-BOT-BC74664  Rorippa curvisiliqua W. R. Dudley 1909-8-29 s.n. Sierra Icehouse Pond, Sierra Valley. Comment
  UC1586495  Rorippa curvisiliqua Lowell Ahart 1991-7-22 6696 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow, nw of Webber Lake 2133 Comment
  UC66101  Rorippa curvisiliqua P. B. Kennedy and S. B. Doten 1901-7-8 113 Sierra Webber Lake 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
  CAS-BOT-BC74667  Rorippa curvisiliqua Lowell Ahart 1983-10-27 4480 Sierra About 2 miles SE of Jackson Meadow Reservation, about 1 mile south of Pass Creek, near Jackson Meadows Reservation. 2200 Comment
  CAS-BOT-BC74668  Rorippa curvisiliqua Arthur Chan 1981-5-16 84 Sierra 11.2 miles southeast of Sattley first along Highway 49, they the dirt road past the springs. 1828 Comment
  RSA286289  Rorippa palustris subsp. occidentalis R. F. Thorne 1974-7-30 45062 Sierra Tahoe National Forest: Goose, Haven and Snag Lakes areas. 2057 Comment
  SCFS5356  Rosa californica H. Naqui 1965-7-29 135 Sierra About 50 feet south west of the Sagehen Creek Station. Highway 89. 1951 Comment
  CHSC82368  Rosa gymnocarpa Lowell Ahart 2002-6-13 9717 Sierra On the south side of the dirt road to Harris Meadow, about 0.6 mile northeast of the intersection (where the pavement ends) to Harris Meadow and the county road to Middlewaters and Milton Reservoir, about 5 1/2 miles (air) northeast of Alleghany. 1696 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
  CHSC64661  Rosa woodsii subsp. ultramontana H. H. Schmidt; M. Merello, L. Woodruff 1993-6-13 850 Sierra Tahoe National forest on state highway 89. 1.7 miles N of Sierraville. Meadow. Roadside. [Latitude and longitude on label says '39 degrees 35' 75' N; 120 degrees 23' 88' W]. 1650 Comment
  CAS-BOT-BC148266  Rosa woodsii var. ultramontana Alice Eastwood 1918-6-28 7898 Sierra Loyalton 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
  CAS-BOT-BC147182  Rubus parviflorus Elmer I. Applegate 1921-9-7 3358 Sierra Gold Lake Comment
  UC66115  Rubus parviflorus P. B. Kennedy 1901-7-19 191 Sierra Canyon w Lincoln Valley; Canyon w of Lincoln Valley Comment
  JEPS4753  Rudbeckia californica W. L. Jepson 1934-7-30 16777 Sierra 6 mi above Downieville 1066 Comment
  OBI15547  Rudbeckia occidentalis Carl B. Wolf 1937-8-6 9051 Sierra Northern Sierra Nevada, No. fork of Yuba River, 5 mi Above Downieville 1067 Comment
  JEPS125708  Rumex obtusifolius William Harnach 2015-9-2 1449 Sierra 1.6 miles NE on Highway 49 from Yuba-Sierra Co. line, then approximately 1 mile on the Indian Hill Road. Comment
  SEINET4182559  Rumex paucifolius W. Harnach, N. Harnach 1994-5-15 773 Sierra Sierra Valley, north end of property approx 100 yards north of 6' dia. pine snag, Calpine Ranch (home) 1503 Comment
  UC1070534  Rumex salicifolius var. triangulivalvis E. Sawyer 1935-6-28 246 Sierra 5.25 mi nne Sattley; Sierraville Quad. 1493 Comment
  CAS-BOT-BC434154  Rumex triangulivalvis Greg Sommers 1976-8-23 240 G Sierra Near Plumas County line, 200 m. east of 423 Comment
  SEINET8917201  Sagittaria cuneata W. Harnach 2013-7-27 1374 Sierra Along Meadow Lake Road (S of Webber Lake), 3.25 miles S of Jackson Meadows Road. 2164 Comment
  CAS-BOT-BC102847  Salix boothii W. R. Dudley 1900-6-21 5416 Sierra West side of Webber Lake near shore Comment
  CAS-BOT-BC102848  Salix boothii W. R. Dudley 1900-6-21 5473 Sierra Webber Lake to Sierraville head of Sierraville Brook Comment
  CAS-BOT-BC102851  Salix boothii John Thomas Howell 1969-9-13 46135 Sierra Near the southwest end of Webber Lake Comment
  JEPS117254  Salix breweri Lowell Ahart 2010-9-15 17172 Sierra On the north edge of the first pond, south side of the road and west of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
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Jun 20 2016
  RSA772430  Salix breweri L. Ahart 2010-9-15 17172 Sierra North edge of the first pond, South side of the road and west of the cabin, At the spring, about 2.75 air miles north of Yuba Pass on Hwy 49, about 4 air miles east of Haskell Peak 2135 Comment
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Jul 22 2018
  CAS-BOT-BC103458  Salix eastwoodiae John Thomas Howell 1951-8-21 28276 Sierra Yuba Pass 2042 Comment
  CAS-BOT-BC103636  Salix eastwoodiae W. R. Dudley 1894-9-1 s.n. Sierra Near Lake of Woods Comment
  CAS-BOT-BC103651  Salix eastwoodiae G. Earle Kelley 1919-1-1 s.n. Sierra Salmon Lake Comment
  CHSC43893  Salix eastwoodiae L. P. Janeway 1984-8-25 1074 Sierra Snag Lake. 2026 Comment
  HSC31039  Salix eastwoodiae R. F. Thorne, C. W. Tilforth 1969-9-6 39197 Sierra Haven Lake margin 1951 Comment
  RSA252409  Salix eastwoodiae Robert F. Thorne, C. W. Tilforth 1969-9-6 39197 Sierra Moist margin of Haven Lake (between Goose and Snag Lakes). 1951 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
  UC1134882  Salix geyeriana N. French 1934-10-18 545 Sierra Little Truckee R. Tahoe Nat'l Forest, Truckee Quadrangle Comment
  CAS-BOT-BC128179  Salix lasiandra subsp. caudata L. S. Smith 1931-8-27 2626 Sierra French Meadow Comment
  CAS-BOT-BC125435  Salix lasiandra var. lasiandra Alice Eastwood 1918-6-29 7921 Sierra Loyalton Comment
  CAS-BOT-BC125439  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-22 5480 Sierra Above Sierraville, Sawmill Creek Road Comment
  CAS-BOT-BC125444  Salix lasiandra var. lasiandra John Thomas Howell 1969-9-13 46133 Sierra Near the southwest end of Webber Lake 2072 Comment
  SJSU10095  Salix lasiandra var. lasiandra H. T. Shishido 1961-5-20 Sierra confluence Milton Cr & Haypress Cr 1 mi SE of Sierra City 1249 Comment
  CAS-BOT-BC124873  Salix lemmonii Gordon H. True 1971-9-7 7057 Sierra Mt. Lola Trail in Cold Stream Canyon 2103 Comment
  CAS-BOT-BC124877  Salix lemmonii W. R. Dudley 1900-6-20 5410 Sierra West side of Webber Lake Comment
  CAS-BOT-BC124878  Salix lemmonii W. R. Dudley 1900-6-20 5411 Sierra West side of Webber Lake Comment
  CAS-BOT-BC124883  Salix lemmonii E. G. Dudley 1912-8-20 14 Sierra Hoffman Meadow, Sierra Nat. Forest 2072 Comment
  CAS-BOT-BC124887  Salix lemmonii G. Earle Kelley 1919-1-1 s.n. Sierra Salmon Lake Comment
  CAS-BOT-BC124888  Salix lemmonii W. R. Dudley 1900-6-22 5519 Sierra between Sierraville and Little Truckee River Comment
  CHSC69906  Salix lemmonii L. P. Janeway; Eric Schroder 1997-8-13 5326 Sierra Hawley Meadow, at head of Pauley Creek; about 2.5 mi west of Gold Lake. Tahoe National Forest - meadow AQB6450. 2029 Comment
  RSA237989  Salix lemmonii Frederick W. Oettinger 1969-7-14 1017 -b Sierra N facing slope between Charmaine Lake and Abbotts Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  UC501411  Salix lemmonii L. S. Smith 1932-5-25 2663 Sierra at crossing - south side large rock Tahoe Forest 2255 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
  CAS-BOT-BC125112  Salix ligulifolia W. R. Dudley 1900-6-21 5471 Sierra Webber Lake to Sierraville, Head of Sawmill [Canon] Canyon 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
  CHSC63170  Salix lucida subsp. lasiandra Lowell Ahart 1994-7-1 7440 Sierra On the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  RSA176572  Salix lucida subsp. lasiandra Peter H. Raven 1964-6-30 19605 Sierra Stream 6.4 miles S of Sierraville on State Hwy 89. 1738 Comment
  JEPS93041  Salix prolixa George W. Argus 1996-7-27 Sierra on Hwy 89 about 13 mi n I-80; Sierraville Comment
  UC1776656  Salix prolixa G. Schoolcraft 1998-7-30 2792 Sierra Bassetts' Bridge S. of Hwy 49 1645 Comment
  CAS-BOT-BC126136  Salix scouleriana W. R. Dudley 1900-6-14 5118 Sierra Valley near Lake Mary, vicinity of Webber Lake Comment
  UC1135085  Salix scouleriana A. Lewis 1934-7-5 495 Sierra 2 2/10 mi. ne.e Poverty Hill; Plumas Nat'l Forest, Downieville Quad. Comment
  JEPS12751  Sambucus mexicana W. L. Jepson 1934-8-7 16878 Sierra 4 mi e Independence Lake Comment
  JEPS99003  Sambucus mexicana Rolf W. Benseler 1997-7-14 621 Sierra North of Ground Hog Rock, Tahoe National Forest Comment
  JEPS99006  Sambucus mexicana Rolf W. Benseler 1997-7-14 622 Sierra North of Ground Hog Rock, Tahoe National Forest Comment
  CAS-BOT-BC238872  Sambucus nigra subsp. caerulea Alice Eastwood 1918-6-29 7829 Sierra Loyalton Comment
  CAS-BOT-BC236476  Sambucus racemosa subsp. racemosa Elmer I. Applegate 1921-9-7 3362 Sierra Gold Lake 1981 Comment
  SEINET8060183  Sambucus racemosa var. racemosa P. B. Kennedy, S. B. Doten 1901-7-23 204 Sierra Lincoln Valley. Comment
  SJSU14262  Sambucus racemosa var. racemosa N. A. Hopkins 1989-7-1 1546 Sierra c. 8 mi S of Yuba Pass by rd to Webber L 2316 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
  RSA790205  Sanguisorba annua James R. Shevock 1985-7-6 11309 Sierra Tahoe National Forest. Along California Highway 89 about 5.4 miles north of Sierra-Nevada county line and north of Little Truckee River Campground. 1900 Comment
  SEINET10770917 Image available Sanguisorba annua Barbara J. Ertter 1987-6-12 Ertter 7093 Sierra Hwy 49 on E side Sierra Valley between Sierraville and Loyalton, S foot of Newman Point on Rice Hill, E side of road. T21N R14E. 1524 Comment
  JEPS125686  Sanicula bipinnatifida William Harnach 2013-4-25 1311 Sierra !.6 miles west of Goodyears Bar on Highway 49 and north of the Ramshorn campground. Comment
  CHSC63110  Sanicula graveolens Lowell Ahart 1994-7-1 7443 Sierra On the north side of the larger pond, steep rocky slope on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  SEINET11155984  Sanicula graveolens W. Harnach, N. Harnach 1990-4-19 262 Sierra Sierra Valley, Approx 2.5 air miles N of Calpine, Knuthson Meadows (commonly called Carman Valley). 1548 Comment
  JEPS82072  Sanicula graveolens Paul C. Hutchison and Rimo Bacigalupi 1983-8-9 8443 Sierra 12 mi n (by logging road) of Downieville (Saddleback Mountain, bottom of road to look-out just w of the summit); Saddleback Mountain 1798 Comment
  SEINET11160276  Sanicula tuberosa S. B. Doten 1901-7-2 81 Sierra Webber Lake. Comment
  RSA748322  Sarcodes sanguinea K. M. Meyer, A. Townesmith 2007-7-17 129 Sierra Tahoe National Forest. 1 mile up road toward Lake of the Woods, off road 07. 2191 Comment
  CAS-BOT-BC466337  Sarcodes sanguinea John Thomas Howell; Gordon H. True 1970-7-14 5561 Sierra Verdi Peak Road ca 3 miles from intersection with Dog Valley--Stampede Dam Road 2346 Comment
  POM148086  Sarcodes sanguinea George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  SEINET11977657  Sarcodes sanguinea J. G. Lemmon 1874-1 s.n. Sierra Sierra Co. &c Comment
  UC105885  Sarcodes sanguinea Miss Michener Aug., 1893 Sierra Comment
  UC21768  Sarcodes sanguinea Miss Michener Aug 1893 Sierra Comment
  CAS-BOT-BC436876  Saxifraga W. Harnach; N. Harnach 1989-4-30 049 Sierra Calpine Ranch (home), Sierra Valley 1498 Comment
  PASA901  Saxifraga integrifolia Margaret Stason 1932-6-21 428 Sierra near Hobarts Mills Comment
  JEPS88066  Saxifraga odontoloma Vernon H. Oswald and Lowell Ahart 1996-8-19 8205 Sierra 1.3 mi s of the road to Bassetts (Yuba-Weber Lake Road (Forest Rt. 12), at Long Valley Creek, Northern High Sierra Nevada); Northern High Sierra Nevada, Long Valley Creek 2225 Comment
  JEPS88144  Saxifraga odontoloma Lowell Ahart 1996-7-25 7690 Sierra about 2 mi w of Webber Lake (s of the Old Henness Pass Road, just w of French Meadow) 1950 Comment
  UC332575  Saxifraga odontoloma J. G. Lemmon and wife Aug. 1883 Sierra Webber Lake; High Sierra, Webber Lake Comment
  CHSC32079  Sceptridium multifidum L. Ahart 1977-11-13 1606 Sierra Ca. 2 mi n of Scales. 1600 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
  UC1609029  Scirpus microcarpus Lowell Ahart 1993-9-24 7242 Sierra about 3/4 mi s of the dirt road from Gibsonville to Johnsville Johnsville (on w side of a poor dirt road that ends at a stream on n side Mount Fillmore); n side Mount fillmore 2133 Comment
  CAS-BOT-BC240072  Secale cereale Catherine Best 1980-6-13 s.n. Sierra Sierra Valley 2 mi north of Sattley on Hwy A23 Comment
  CAS-BOT-BC64214  Sedum obtusatum subsp. obtusatum H. Albert Barker July 3 35 Sierra Packer lake, on the rocks at the S end. Comment
  CHSC63137  Sedum spathulifolium Lowell Ahart 1994-7-1 7434 Sierra On the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  JEPS125762  Sedum spathulifolium William Harnach 2013-5-1 1333 Sierra Goodyears Bar. 1.3 miles South of Highway 49 on Mountain House Road. Comment
  SEINET8584724  Sedum spathulifolium W. Harnach 2013-5-1 1333 Sierra Goodyears Bar. 1.3 miles south of Hwy 49 on Mountain House Road. 883 Comment
  CDA11869  Senecio integerrimus var. exaltatus G. F. Hrusa, J. Jokerst 1991-7-5 8530 A Sierra Sierra Valley Region; Antelope Valley approx. 3 miles above Sierra Valley. Comment
  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
  CHSC416  Senecio serra V. Holt 1942-7-11 Sierra Gold Lake. 1950 Comment
  JEPS37201  Senecio triangularis W. L. Jepson 1918-8-18 8055 Sierra Sierraville 1767 Comment
  CAS-BOT-BC364414  Senecio triangularis Lewis S. Rose 1934-7-16 34373 Sierra Gold Lake 1950 Comment
  POM148022  Senecio triangularis George Haley 1927-8-6 9411 Sierra Webber Lake Comment
  CAS-BOT-BC364723  Sericocarpus oregonensis subsp. californicus Mrs. E. C. Sutliffe 1926-10-16 s.n. Sierra Salmon Lake Comment
  UCD116762  Sidalcea N. Hopkins 1983-6-15 1144 Sierra Long Valley Road. Comment
  CHSC48611  Sidalcea glaucescens Vernon Oswald 1984-6-25 1311 Sierra LaPorte-Quincy Rd., ca. 7 mi n-e of LaPorte. 1737 Comment
  RSA21697  Sidalcea oregana subsp. spicata Carl B. Wolf 1937-8-6 9057 Sierra Northern Sierra Nevada, Church Meadows, SE of Gold Lake 2043 Comment
  SD102829  Sidalcea oregana subsp. spicata Darley F. Howe 1978-7-16 Sierra Along Highway 89 ca. 12.3 miles north of Truckee. 1920 Comment
  JEPS102756  Silene bernardina Lowell Ahart 2001-8-10 9102 Sierra Base of a steep bluff, about 200 feet SW of diversion dam across Little Truckee River (water flows to Sierra Valley), about 150 yards south of Fiberboard Rd (Forest Rd 18), about 1/8 mi north of Henness Pass Rd, about 5 mi (air) east of Webber Lake. 1920 Comment
  CAS-BOT-BC387051  Silene douglasii John Thomas Howell; Gordon H. True 1970-7-14 5523 Sierra At Verdi Peak Lookout, Verdi Range 2560 Comment
  CHSC43379  Silene douglasii Lowell Ahart 1977-7-15 1475 Sierra On the north side of Mount Fillmore, about 12 miles north-east of La Porte. 1828 Comment
  CHSC52803  Silene douglasii var. douglasii L. P. Janeway 1984-8-5 973 Sierra Ridgetop just south of Packer Saddle. 2148 Comment
  SJSU13919  Silene douglasii var. douglasii N. A. Hopkins 1986-6-30 1343 Sierra 2158 Comment
  UCD98600  Silene douglasii var. douglasii N. Hopkins 1974-8-6 621 Sierra 0.25-0.5 mile W of Packer Lake. Comment
  CHSC110767  Silene invisa Dean Wm. Taylor 2011-8-10 21151 Sierra Sierra Nevada. Henness Pass Road 2 miles Eat of Keystone Gap 2072 Comment
  JEPS48991  Silene invisa Leland S. Smith 1925-7-15 1685 Sierra e side French Meadows , e side French Meadows (Tahoe Forest) 1981 Comment
  UCD170244  Silene lemmonii K. M. Meyer; A. Townesmith 2007-7-17 128 Sierra Tahoe National Forest. 1.0 mile up road toward Lake of the Woods, off road 07. 2191 Comment
  NY342632  Silene lemmonii J. G. Lemmon 1874-1 17 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
  NY342645  Silene pectinata J. G. Lemmon 1874-1 1077 Sierra Sierra Valley Comment
  CAS-BOT-BC75044  Sisymbrium altissimum Catherine Best 1981-6-19 s.n. Sierra Sierra Nevada. Herringtons. Sierra City. Comment
  UC119650  Smilacina racemosa J. G. Lemmon 1874-1 Sierra Comment
  UC477527  Smilacina stellata L. F. Smith 1931-5-31 2551 1/2 Sierra Cottonwood Springs Sierravile Dist. (along road) Comment
  SBBG6660  Solanum parishii H. and M. Dearing 1939-5-9 3310 Sierra N fork Yuba River near Downieville Comment
  SEINET12347214  Solanum parishii F. H. Utech 1990-6-5 90 -876 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  CDA5977  Solanum triflorum F. H. Surber 1976-9-16 Sierra Bruce Miles property, Loyalton. 0 Comment
  JEPS124602 Image available Solanum umbelliferum C. Meek 1969-6-27 34 Sierra 3.75 miles west of Sierra CIty on Hi # 49 Comment
  UCR270725  Solidago californica John F. Emmel 1999-6-5 1623 Sierra Sierra Nevada Mtns., Verdi Range; along Henness Pass Road, 1 road mile SE of summit 1756 Comment
  CHSC108099  Solidago elongata Lowell Ahart 2011-9-23 17709 Sierra Growing on the west side of Pass Creek, south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake. 2015 Comment
  CAS-BOT-BC365759  Solidago spectabilis W. R. Dudley 1909-8-29 s.n. Sierra Sierra Valley Comment
  JEPS102363  Solidago spectabilis Lowell Ahart 2001-8-10 9070 Sierra about 1 air mile S of Stampede Reservoir (Hobart Mills Road, E side, about 100 ft SW of the power pole) 1798 Comment
  UC334404  Sorbus californica unknown Oct. 1890 Sierra Webber Lake Comment
  UC1128685  Sorbus scopulina var. scopulina A. Lewis 1934-7-6 502 Sierra 2 mi e Poverty Hill; Plumas National Forest 1524 Comment
  UC813823  Sparganium angustifolium W. R. Dudley 1894-9-1 Sierra near Webber Lake (Lake of the Woods); Lake of the Woods Comment
  UCD94841  Sparganium emersum P. B. Schultz 1967-7-8 65 Sierra 3 miles N of Sattley on Sattley-Beckwourth Road. 1493 Comment
  JEPS124705 Image available Sparganium simplex M. L. Wheelis 1964-7-1 143 Sierra 1 mile north of Sattley on the Sattley -Beckworth road. 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
  UC172648  Sphaeromeria potentilloides var. potentilloides J. G. Lemmon 1875-1 151 Sierra Comment
  UC1123209  Sphenosciadium capitellatum N. French 1934-7-13 521 Sierra Lola Mt. Ridge; Tahoe National Forest, Truckee Quad., Lola Mt. Ridge Comment
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Jan 6 2015
  RSA114069  Sphenosciadium capitellatum Lincoln Constance, Rimo Bacigalupi, E. Nasir 1953-9-9 3473 Sierra Forest opening between Webber (4 miles south) and Meadow lakes. 2134 Comment
  UC861983  Spiraea densiflora Lewis S. Rose 1934-7-13 34354 Sierra Gold Lake 1950 Comment
  JEPS119935  Spiraea douglasii Lowell Ahart 2012-9-18 18452 Sierra Bottom of Poverty Hill Hydraulic Mine, about 2 miles (air) southwest of Poverty Hill, about 4 1/2 miles (air) south of La Porte. Comment
  CAS-BOT-BC152545  Spiraea splendens A. R. Kruckeberg 1954-8-2 3674 Sierra Along shores of Tamarack Lake 2 mi. e. of Sierra Buttes - Tahoe N.F. Comment
  UCD114072  Spiraea splendens Geo Morrison 1930-7-20 s.n. Sierra Sierra City. 1 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
  SEINET3560706 Image available Spiranthes porrifolia W. F. Jennings 1982-9-5 s.n. Sierra Adjacent of California 49, 3 miles west of summit of Yuba Pass. 1890 Comment
  SEINET11936037  Spraguea umbellata F. H. Utech 1990-1 90 -872 Sierra Tahoe National Forest, Pliocene Ridge, ca 0.5 mi W of Pliocene Station on Ridge Road 1400 Comment
  JEPS63084  Stachys ajugoides var. rigida W. L. Jepson 1934-8-2 16790 Sierra 2 mi e Bassett road sta. (Pioneer road sta.); North Fork Yuba River Comment
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Dec 26 2016
  JEPS88189  Stachys ajugoides var. rigida Vernon H. Oswald and Lowell Ahart 1996-8-19 8227 Sierra 9Forest Rt. 12) 0.4 mi s of Forest Rt. 15 to Sierraville (northern High Sierra Nevada, Yuba Pass-Weber Lake Road); northern High Sierra Nevada, Yuba Pass-Weber Lake Road Comment
  UCR257744  Stachys ajugoides var. rigida George K. Helmkamp, Amy Barnes, Ann Kerchner 2012-7-22 19444 Sierra Northern Sierra Nevada Mountains, Henness Pass Road, 1.1 mile east of its junction with CA-89 at the north end of Kyburz Flat 1907 Comment
  RSA33442  Stachys rigida subsp. rivularis Carl B. Wolf 1937-8-6 9060 Sierra Northern Sierra Nevada, Church Meadows, SE of Gold Lake 2043 Comment
  CAS-BOT-BC181390  Stellaria calycantha Lowell Ahart 1980-9-9 2599 Sierra Rocky gorge between the outlet of Webber Lake and Little Truckee River, Sierra Nevada 2200 Comment
  CAS-BOT-BC391213  Stellaria longipes subsp. longipes George Haley 1927-8-6 s.n. Sierra Webber Lake Comment
  UC1583944  Stellaria media G. Schoolcraft 1990-5-8 2015 Sierra near Calpine (w edge of Sierra Valley); Sierra Valley 1524 Comment
  CHSC66596  Stellaria obtusa Lowell Ahart 1996-7-25 7696 Sierra On the east side of a small stream, south of the Old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  CAS-BOT-BC398279  Stellaria umbellata John Thomas Howell 1969-9-13 46123 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CAS-BOT-BC375572  Stephanomeria lactucina Mrs. E. C. Sutliffe 1918-7-1 s.n. Sierra Salmon Lake Comment
  CHSC52927  Stephanomeria lactucina L. P. Janeway 1989-8-10 3568 Sierra Plumas National Forest. NE'ern slopes between Haskell Pk and Hwy 89/Sulphur Cr. 2133 Comment
  CHSC66787  Stephanomeria lactucina Vernon H. Oswald; Lowell Ahart 1996-8-19 8209 Sierra Northern High Sierra Nevada. Yuba Pass-Weber Lake Rd. (Forest Rt. 12) 1 mi S of Long Valley Creek, 2.3 mi S of the road to Bassetts. Roadside. 2225 Comment
  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
  CAS-BOT-BC375576  Stephanomeria lactucina Clare B. Hardham 1985-7-31 30113 Sierra West side Yuba Pass 1767 Comment
  HSC93200  Stephanomeria lactucina Vernon H. Oswald, L. Ahart 1996-8-19 8209 Sierra Yuba Pass-Weber Lake Rd. (Forest Rte. 12) 1 mi. S of Long Valley Creek, 2.3 mi. S of the road to Bassetts 2226 Comment
  UCD134105  Stephanomeria lactucina Beecher Crampton 1957-7-24 4402 Sierra 2 miles west of Emigrant Gap. Along US Hwy.40. 1524 Comment
  SEINET10603850  Stipa lemmonii S. B. Dottori 1901-6-16 Dottori 49 Sierra Sierra Valle. Comment
  CHSC110227  Stipa lemmonii var. lemmonii L. P. Janeway 2012-6-24 10907 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
  SEINET8080234  Stipa occidentalis var. californica S. B. Doten 1901-7-2 82 Sierra Webber Lake. Comment
  CHSC32062  Streptanthus polygaloides L. Ahart 1973-5-25 236 Sierra Near Alleghany. 914 Comment
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Jun 21 2014
  CHSC43432  Streptanthus polygaloides Lowell Ahart 1978-6-4 1768 Sierra Near the Foote Road, about 5 miles south of Alleghany. 1219 Comment
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Jun 21 2014
  CHSC78239  Streptanthus polygaloides Lowell Ahart 2000-6-15 8474 Sierra Around the monument, at the intersection of Mountain House Road and Henness Pass Road, about 2 miles (air) northwest of Forest, about 3 miles (air) northwest of Alleghany. 1463 Comment
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Jun 21 2014
  SJSU4976  Streptanthus polygaloides N. A. Hopkins 1969-6-30 273 Sierra between Foote's Crossing & Alleghany Comment
  CAS-BOT-BC87835  Streptanthus tortuosus H. Albert Barker 1926-7-3 31 Sierra Packer Lake. 1981 Comment
  CAS-BOT-BC87836  Streptanthus tortuosus Gladys L. Smith 1959-6-20 1239 Sierra Down-grade north of Gold Lake. 1981 Comment
  CHSC37226  Streptanthus tortuosus L. Ahart 1982-7-28 3691 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of La Porte. 1700 Comment
  RSA429546  Streptanthus tortuosus Robert Gustafson 1984-5-15 2943 Sierra Near Convict Flat turnoff on Hwy 49, on N side of Hwy. 854 Comment
  SEINET12006996  Streptanthus tortuosus J. G. Lemmon 1874-1 10 Sierra Sierra Co., &c Comment
  UC3388284  Streptanthus tortuosus var. orbiculatus unknown 1889-6-6 Sierra Gold Lake Comment
  CHSC63128  Streptanthus tortuosus var. tortuosus Lowell Ahart 1994-7-1 7425 Sierra South of the larger pond, on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  UCD40232  Symphoricarpos acutus Rodney Gale Myatt 1972-6-1 1569 Sierra Wild Plum Road, off of Hwy 49 and east of Sierra City. 1450 Comment
  UC1119981  Symphoricarpos mollis C. G. Albertus 1935-9-24 287 Sierra 4.5 mi ese Sulphur Springs; Tahoe National Forest, Sierraville Quad. 1981 Comment
  CAS-BOT-BC245767  Symphoricarpos rotundifolius Gordon H. True; John Thomas Howell 1970-7-14 5542 Sierra Verdi Peak Lookout, Verdi Range, Sierra Nevada 2560 Comment
  CAS-BOT-BC97573  Symphyotrichum ascendens Gordon H. True 1971-9-7 7044 Sierra Stringer on slope west of large meadow in Cold Stream Canyon ca. 3.5 miles south of Perazzo Meadows 2377 Comment
  CHSC53117  Symphyotrichum ascendens L. P. Janeway 1989-8-9 3558 Sierra Plumas National Forest. NE flank of Haskell Peak overlooking Hwy 89/Sulphur Cr. 2164 Comment
  CAS-BOT-BC97571  Symphyotrichum ascendens G. Schoolcraft 1996-9-16 2574 Sierra Long Valley Creek just s. of Sierra County line 1524 Comment
  JEPS113938  Symphyotrichum ascendens W. and N. Harnach 2000-9-9 1006 Sierra Sierra Valley 1 mile east of Calpine, CA and 0.75 miles north of Calpine Road (home) Comment
  CAS-BOT-BC98426  Symphyotrichum spathulatum Mrs. E. C. Sutliffe 1925-10-1 s.n. Sierra Salmon Lake Comment
  JEPS40778  Symphyotrichum spathulatum W. L. Jepson 1934-8-6 16862 Sierra Yuba Pass 2011 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
  CHSC69178  Tanacetum parthenium Vernon Oswald; Lowell Ahart 1997-8-19 8827 Sierra Mountain House Rd. (County Rd. 300) 1.1 mi southwest of the town of Forest (between Goodyears Bar and Alleghany). At base of roadcut. 1417 Comment
  CHSC80933  Tanacetum parthenium Lowell Ahart 2001-8-10 9084 Sierra On the dam, diversion dam across the Little Truckee River (water flows to Sierra Valley), about 100 yards south of Fiberboard Road (Forest Road 18), about 1/8 mile north of Henness Pass Road, about 5 miles (air) east of Webber Lake. 1920 Comment
  CAS-BOT-BC376796  Tanacetum parthenium Catherine Best 1981-6-19 s.n. Sierra Herringtons, Sierra City Comment
  SEINET13710570  Tanacetum parthenium Lowell William Ahart, Lowell William Ahart 2001-1 9084 Sierra Near Diversion Dam across Little Truckee River, S of Fiberboard Road (Fsr 18), 1/8 Mi. N of Henness Pass Rd., 5 Air Mi. E of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft. 1920 Comment
  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
  CAS-BOT-BC376981  Taraxacum officinale Valerie Ziemba 1981-5-17 040 Sierra 1 mi. east of Sierraville off Rt. 49 on dirt Rd. to Bear Valley Comment
  UCD67362  Taraxacum officinale Carrie Sloan 1992-4-26 12 Sierra Sierra City, 5 yds. From Rte. 49 in vacant open lot, near small stream, lot, growing on flat land. 1280 Comment
  CDA37989  Taraxia tanacetifolia T. C. Fuller 1962-6-14 9010 Sierra Highway 49 to Sierraville, 0.6 mile west of Loyalton. 0 Comment
  UCR230727  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2011-6-9 17548 Sierra Northern Sierra Nevada Mountains Foothills, 7.1 miles north of Camptonville along CA-49, about 2.5 miles north of the Yuba Co. line 808 Comment
  CAS-BOT-BC447654  Tellima grandiflora G. Vagenas 1980-5-18 069 Sierra Hwy 49, 10 mi. W. of Downieville 883 Comment
  SEINET12217520  Tellima grandiflora F. H. Utech 1990-1 90 -874 Sierra Tahoe NF, American Flat area, Oregon Creek Fork, ca 1.5 mi NNE of Pliocene Station on NF Rd S300 1000 Comment
  UCD22401  Tetradymia canescens Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1333 Sierra Sierra Valley. Along Hwy 49, NE of the town of Sierraville. West side of road, near entrance to Van Vleck Ranch. 1493 Comment
  CAS-BOT-BC399685  Thalictrum fendleri Lewis S. Rose 1934-7-14 34362 Sierra Gold Lake 1950 Comment
  SEINET3814729 Image available Thalictrum fendleri Lewis S. Rose 1934-7-14 34362 Sierra Gold Lake. 1951 Comment
  UC854451  Thalictrum fendleri Lewis S. Rose 1934-7-14 34362 Sierra Gold Lake 1950 Comment
  POM308868  Thalictrum fendleri Betty J. Jorgensen 1944-6-22 478 Sierra Along Little Truckee River, on road between Independence and Webber Lakes. Comment
  JEPS16742  Thelypodium crispum Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-7-8 4283 Sierra from Calpine to Sierra Valley (along road to Beckwourth) 1463 Comment
  RSA516370  Thelypodium crispum Barbara Ertter, Tahoe Chapter of CNPS 1987-6-27 7209 Sierra Kyburz Flat ca 12 air miles N of Truckee, head of Little Truckee River; ca. 1.5 miles E of Highway 89 on Tahoe National Forest Road S450. 1921 Comment
  SEINET12434549  Thlaspi arvense W. Harnach, N. Harnach 1989-5-5 054 Sierra Sierra Valley, alongside of drainage ditch from Loyalton, Loyalton High School. 1524 Comment
  CHSC43450  Thlaspi montanum var. montanum Lowell Ahart 1975-6-28 819 Sierra About 2 miles east of Gibsonville, about 10 miles north-east of La Porte. 1981 Comment
  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
  UCD93175  Torreyochloa pallida var. pauciflora Alan A. Beetle 1944-8-17 3054 Sierra 8 miles below Downieville. North fork of Yuba River. Comment
  CAS-BOT-BC172908  Toxicodendron diversilobum John Thomas Howell; Gordon H. True 1969-6-25 45857 Sierra North Fork of Yuba River, 5 miles east of Indian Valley 762 Comment
  UCD32539  Toxicoscordion paniculatum Beecher Crampton 1954-5-10 1859 Sierra east slope Yuba Pass, 3 miles west of Sattley, along highway 49. 1767 Comment
  SJSU14296  Trichostema oblongum N. A. Hopkins 1989-7-15 1529 Sierra c. 1.5 mi S of Calpine 1524 Comment
  UC585218  Trifolium andersonii var. andersonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-5 1731 Sierra 2 mi S of Loyalton (near junction of Smithneck and Bear Valley Creek); SE edge of Sierra Valley 1615 Comment
  SEINET12157142  Trifolium barbigerum J. G. Lemmon 1874-1 42 Sierra Brewer Comment
  SEINET7412837  Trifolium beckwithii W. Harnach, N. Harnach 1989-4-30 46 Sierra Sierra Valley, E of Calpine, Calpine Ranch (home). 1498 Comment
  SJSU4163  Trifolium beckwithii C. W. Sharsmith & W. Savage 1967-5-20 7532 Sierra by Sierraville-Loyalton Rd, 5 mi N of Sierraville 1478 Comment
  UC80413  Trifolium beckwithii J. G. Lemmon 1875-1 56 Sierra Comment
  JEPS65783  Trifolium breweri J. G. Lemmon ca. 1878 Sierra Sierra Valley Comment
  HSC93202  Trifolium cyathiferum Vernon H. Oswald, L. Ahart 1996-8-19 8186 Sierra Yuba Pass-Weber Lake Rd. (Forest Rt. 12), 1.6 mi. S of Hwy. 49, northern High Sierra Nevada 2134 Comment
  UC630771  Trifolium cyathiferum Adeline Frederick 1925-6-29 Sierra along Hungry Mouth ditch; Downieville Comment
  JEPS125742  Trifolium hirtum William Harnach 2013-4-25 1316 Sierra 1.6 miles West of Goodyears Bar on Highway 49 and North of the Ramshorn campground near the Sierra Co. tran