Search Results — 2000 specimen records retrieved (1610 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC1331  Abies concolor R. A. Magie 1964-3-27 19 Placer 20 mi. W of Cisco Comment
  NY29526  Abies magnifica A. A. Heller 1912-7-20 10592 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA384223  Abies magnifica M. V. Hood 1940-7-11 s.n. Placer Above upper Soda Springs. 2500 Comment
  UCD116957  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22100  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC333260  Acer macrophyllum Saichi Kawahara 1969-5-24 881 Placer Old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  CAS-BOT-BC333262  Acer macrophyllum Marcus E. Jones 1882-6-28 3306 Placer Emigrant Gap Comment
  UC1071636  Acer macrophyllum J. E. Sowder, R. W. Lundh 1933-4-19 49 Placer Colfax Hill Colfax Quad., Colfax Hill Comment
  SCFS1156  Achillea millefolium E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Cedar's Meadow. Comment
  UC2046440  Achillea millefolium D. G. Kelch 2011-10-4 sn. Placer Grandlibakken Resort. Tahoe City Comment
  UCD21682  Achillea millefolium Beth Lowe Corbin 1982-8-3 182 Placer Onion Creek campground. In fine, sandy, granitic soil, near streambed. Perennial herb, white flowers. Partial shade. SW facing slope. Common. 1841 Comment
  UCR201519  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2008-8-20 14016 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  SEINET191859 Image available Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer Ca 1 mi W of Baxter Comment
  UC821962  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer 1 mi w Baxter Comment
  UCD32814  Achnatherum lemmonii Beecher Crampton 1964-7-21 7125 Placer Placer County, one mile east of Cisco Grove, old US Hwy. 40. Comment
  UCD51018  Achnatherum occidentale G. L. Stebbins Jr. Date Unknown 3172 Placer along U.S. Highway no. 40. 1 mile west of Cisco Grove. 1706 Comment
  CAS-BOT-BC210836  Achnatherum occidentale subsp. californicum C. G. Pringle 1882-9-20 s.n. Placer Summit Valley, Sierra Nevada Mts. 2438 Comment
  CDA15968  Achnatherum occidentale subsp. californicum G. F. Hrusa, J. Glazner 1999-7-17 15118 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET3282798 Image available Achnatherum occidentale subsp. californicum George K. Helmkamp, E. A. Helmkamp 2009-8-12 15451 Placer Sierra Nevada Mountains; Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill. 2061 Comment
  UCD51067  Achnatherum occidentale subsp. californicum Elizabeth Wilson 1940-8-8 s.n. Placer near Hampshire Rocks. 1828 Comment
  CDA16992  Achnatherum stillmanii G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16045 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCD54020  Achnatherum stillmanii G. F. Hrusa; B. Meese 1997-3-26 13791 Placer Italian Bar Trail, N-facing slope to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. 900 Comment
  RSA43802  Achyrachaena mollis D. F. Howe 1948-5-21 s.n. Placer [Unspecified] 457 Comment
  CHSC81785  Acmispon americanus var. americanus Lowell Ahart 2001-10-10 9346 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  UCD103811  Acmispon americanus var. americanus A. A. Heller 1917-8-12 12873 Placer Southern Pacific reservoir west of Emigrant Gap in coarse. Comment
  SEINET5327535  Acmispon americanus var. americanus K. Thorne, Jody Chandler 1987-6-26 5439 Placer Truckee River Comment
  CAS-BOT-BC204856  Acmispon argophyllus var. fremontii Marcus E. Jones 1882-7-3 3338 Placer Colfax Comment
  UCD128500  Acroptilon repens T. C. Fuller 1968-7-22 12572 Placer north edge of freeway I-80 from Donner Summit. 0.1 mile west of Blue Canyon Road. 1524 Comment
  SEINET6700629 Image available Adenocaulon bicolor P. B. Kennedy 1901-8-15 405 Placer Bear man's camp, 6 miles from French Meadows Comment
  UC1127712  Adenostoma fasciculatum N. French 1933-6-5 65 Placer e. Rocklin; Sacramento Quad. Comment
  RSA687746  Adiantum aleuticum May N. Ackley 1925-06 2 Placer Bear Valley Comment
  RSA687737  Adiantum aleuticum Fay A. MacFadden 1934-7-9 12572 Placer below Emigrant Pass Comment
  CAS-BOT-BC110730  Aegilops triuncialis K. L. Stark 1971-6-8 s.n. Placer Sierra Nevada. North side of road to Dutch Flat, 3 miles west of Alta. 1188 Comment
  POM85633  Aesculus californica I. E. Diehl 1902-7-7 42 Placer Colfax. Comment
  SJSU11410  Agastache urticifolia H. T. Harvey 1958-8-19 Placer Sugar Bowl, 1 mi S of Donner Summit 2164 Comment
  OBI48642  Agastache urticifolia C. F. Sonne 1983-8-27 285 Placer Sierra Nevada Mts. Canon above Colstream Comment
  SEINET7940406  Agastache urticifolia L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  UC26070  Agastache urticifolia Mrs. M. M. Hardy 1893-1 Placer Comment
  UC615511  Agastache urticifolia Beryl O. Schreiber 1932-9-11 766 Placer road to Summit Comment
  UCD83644  Ageratina occidentalis Albert Grigarick 2009-9-10 197 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  CAS-BOT-BC15494  Agoseris X elata Mrs. E. Parsons 1910-7-26 s.n. Placer Sunnyside, Lake Tahoe Comment
  UC169988  Agoseris aurantiaca var. aurantiaca Miss Helen D. Geis Jun 1 1912-Jul 1 1912 216 Placer Deer Park Deer Park Comment
  CAS-BOT-BC13323  Agoseris retrorsa L. S. Smith 1925-4-16 1777 Placer Tahoe National Forest. Forest Hill Divide. 609 Comment
  CHSC79647  Agoseris retrorsa G. F. Hrusa; J. Glazner 1999-7-18 15230 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S 43434 N, 07418 E. 1905 Comment
  CDA25690  Agrimonia gryposepala T. Barbato 1971-6-21 Placer Tony Barbato property, Meadow Vista. 0 Comment
  UCD51686  Agropyron desertorum Beecher Crampton 1974-10-24 9096 Placer 1 mile west of Colfax. 762 Comment
  SACT000050  Agropyron intermedium var. trichophorum Michael Baad 1977-6-9 Placer Junction of Middle Fork of American River and Rubicon River 365.76 Comment
  SACT000076  Agropyron trachycaulum D. Meyer 1983-9-10 Placer Moist streambanks and meadow 1879.0 Comment
  SACT000084  Agrostis exarata D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SACT000093  Agrostis exarata Josephine Van Ess 1977-9-16 Placer Growing in mud in small pools at river's edge 378.0 Comment
  SACT000095  Agrostis exarata Josephine Van Ess 1973-6-24 Placer wet streambank 91.5 Comment
  SACT000097  Agrostis exarata D. Meyer 1984-7-8 Placer Road to Lake Valley Reservoir, roadside. 1758.0 Comment
  SACT000108  Agrostis exarata D. Meyer 1984-8-12 Placer 11.2 km from French meadows. Very wet. Somewhat boggy. Wooded area 1612.0 Comment
  UCD124129  Agrostis exarata Ellen Dean; Marcel Rejmanek 2012-10-9 7503 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD34022  Agrostis exarata Beecher Crampton 1975-9-9 9273 Placer Placer County, Gold Run rest area on Hwy. 80. 914 Comment
  UCD36660  Agrostis exarata Beecher Crampton 1955-6-15 2889 Placer Placer County, 2.5 miles north of Yankee Jims, at junction of Iowa Hill and Forest Hill Road. 609 Comment
  UCR249606  Agrostis exarata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20838 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UCD36658  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Placer County, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  SACT000184  Agrostis idahoensis D. Meyer 1984-7-15 Placer edge of Serene Lake 2085.0 Comment
  UCD21599  Agrostis idahoensis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1263 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCD52993  Agrostis idahoensis Lewis S. Rose 1944-7-26 44273 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  UCD52995  Agrostis idahoensis B. Crampton 1955-7-13 2992 Placer Mountain slopes above US Hwy. 40, 3.5 miles east of Baker. 1432 Comment
  UCD37111  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer Placer County, 1.7 miles east of Lincoln, road to Newcastle. Comment
  UCD53037  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer 1.7 miles east of Lincoln, road to Newcastle. Comment
  CDA15931  Agrostis pallens G. F. Hrusa, J. Glazner 1999-7-17 15182 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Uncommon rhizomatous grass in +- moist sites surrounded by open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest. 1889 Comment
  UCD44604  Agrostis pallens C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1970 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD53242  Agrostis pallens B. Bolt 1934-7-17 s.n. Placer 1/2 mile S.W. of Walker Mine. 1981 Comment
  UCD53249  Agrostis pallens E. Wilson 1934-8-5 s.n. Placer Near Cisco. Comment
  UCD53260  Agrostis pallens B. Bolt 1934-7-17 135 Placer 1/2 mi. S.W. of Walker Mine. Comment
  SACT000150  Agrostis scabra D. Meyer 1983-9-10 Placer moist streambank and meadow 1879.0 Comment
  SACT000151  Agrostis scabra D. Meyer 1983-7-16 Placer 1212.0 Comment
  UCD36702  Agrostis scabra Beecher Crampton 1955-7-13 2984 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD53327  Agrostis scabra B. Crampton 1955-7-13 2984 Placer along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCD53630  Agrostis stolonifera Beecher Crampton 1975-9-9 9268 Placer Tahoe National Forest, 1/2 mile n.e. Blue Canyon P. O., along edge of Blue Canyon Creek. 1524 Comment
  UCR240952  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2012-9-25 19904 Placer Northern Sierra Nevada Mountains, Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mi. south of Blue Canyon-Nyack Airport 1473 Comment
  SACT000192  Agrostis stolonifera var. major D. Meyer 1983-7-26 Placer Gold Run exit off I 80 intersect of Magra Rd Gold Run Rd 970.0 Comment
  SACT000195  Agrostis stolonifera var. major D. Meyer 1983-8-7 Placer Tahoe City, along Truckee River, east bank. 1879.0 Comment
  SACT000197  Agrostis stolonifera var. major D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT000252  Agrostis variabilis Michael Baad 1976-8-7 Placer 2072.64 Comment
  SACT000253  Agrostis variabilis Michael Baad 1976-8-4 Placer Shore of Mildred Lakes and northwest-facing slope of Mildred Ridge 2438.4 Comment
  SACT000255  Agrostis variabilis James Grove 1977-7-15 Placer 2000.0 Comment
  SACT000264  Aira caryophyllea Josephine Van Ess 1976-4-14 Placer along foot path in natural area; open gravel area 97.6 Comment
  CAS-BOT-BC445326  Alisma lanceolatum L. R. Abrams 1917-9-15 6760 Placer 3-5 mi above Auburn Comment
  CHSC39057  Allium amplectens Michael P. Crivello 1979-4-11 Placer 1.2 mi sse Coloma along Hwy 49. 289 Comment
  CAS-BOT-BC464521  Allium campanulatum John H. Thomas; Hazelle A. Thomas 1956-7-21 6139 Placer Sierra Nevada. vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  SEINET176938  Allium campanulatum M. E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  CAS-BOT-BC464481  Allium campanulatum Carl Purdy 1933-6-1 s.n. Placer Near Mt. Lincoln, Donner Pass Comment
  RSA123619  Allium campanulatum Milo S. Baker 1931-5-31 5340 Placer Highway 40, 1 1/2 miles west of Big Bend Ranger Station. Comment
  JEPS106452  Allium jepsonii Barrett Anderson 2003-6-22 4893 Placer 1340 ft; NE corner of the intersecton of Dry Creek Road and Blue Grass Drive, approx. 0.8 mi E of Hwy 49. Serpentine outcrop with a seep. 408 Comment
  UCD22044  Allium obtusum Rex Palmer 1979-6-10 N 183 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC474276  Allium obtusum var. obtusum Alice Eastwood 1912-6-15 417 Placer Five Lakes. Lake Tahoe Region Comment
  POM110112  Allium obtusum var. obtusum Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  UC3200  Allium peninsulare var. peninsulare C. F. Sonne 1891-5-17 1 Placer Newcastle Sierra Nevada Mountains, Newcastle Comment
Read comments
May 11 2010
  CAS-BOT-BC132121  Allium sanbornii var. sanbornii G. L. Stebbins, Jr. 1952-6-22 5100 Placer Along southeast bank of American River, 1 mile northeast of bridge on Colfax-Iowa Hill Road 350 Comment
  RSA300577  Allium validum John Dourley, Walter Wisura 1982-10-13 3861 Placer ca. 6 miles SW of Emigrant Gap, along forestry road 19. 1463 Comment
  CHSC61613  Allophyllum gilioides L. S. Rose 1941-7-9 41299 Placer Chambers Lodge (McKinney), Lake Tahoe. 2100 Comment
  SEINET5536271 Image available Alnus incana subsp. tenuifolia E. J. Kraus 1926-1 s.n. Placer Lake Tahoe Comment
  UC1076427  Alnus incana subsp. tenuifolia H. L. Mason 1929-10-4 5463 Placer 4 mi s Truckee (on Truckee-Tahoe Rd, along river); Truckee River Comment
  SACT002786  Alnus tenuifolia Michael Baad 1976-7-17 Placer 0.5 mile east of Five Lakes and 1.5 miles west of Alpine Medows Ski Area. OPen slopes of eroded granite. 2133.0 Comment
  CAS-BOT-BC138157  Alopecurus aequalis var. aequalis John Thomas Howell 1943-7-19 18586 Placer Summit Valley. Comment
  CHSC97764  Amaranthus californicus Lowell Ahart 2007-11-13 14596 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  CAS-BOT-BC136697  Amelanchier alnifolia var. pumila Alice Eastwood 1912-6-15 372 Placer Deer Park, Lake Tahoe Region Comment
  CDA15636  Amelanchier utahensis G. F. Hrusa, J. Glazner 1999-7-18 15202 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UCD119604  Amsinckia intermedia Lynn Gould 1962-3-18 7 Placer Base Line Road, 4 miles W of Roseville. Comment
  CHSC96507  Amsinckia menziesii Lowell Ahart; Brian Williams 2007-4-13 13635 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCR238591  Amsinckia retrorsa George K. Helmkamp, E. A. Helmkamp 2012-3-31 18660 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  RSA129784  Anaphalis margaritacea B. Bolt 1934-7-17 132 Placer Robertson Flat. 2012 Comment
  UCD56060  Andropogon glomeratus Arthur L. Menzies 1962-11-3 s.n. Placer Sierra Nevada, on Hwy. 49, 1/4 mile west of American River Bridge near Auburn. 213 Comment
  UCR146673  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer Sierra Nevada foothills, 1 mile east ['southeast'] of Auburn; north slope above North Fork of American River along State Highway 49 305 Comment
  CAS-BOT-BC391749  Anemone G. Earnhart 1961-3-18 4 Placer 2 1/2 mi. east of Auburn, north fork of American River 396 Comment
  UCD44523  Angelica C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1889 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR242342  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2010-7-28 16680 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  SEINET11079622  Angelica breweri P. B. Kennedy, S. B. Doten 1901-8-15 298 Placer Talbot's Home Camp, 7 miles from French Meadows. Comment
  JEPS111254  Antennaria dimorpha Steve Matson 2005-6-12 1267 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of powerline, 300 meters NW of Golf Course; 39.2981 N, 120.1258 W; Elevation 5835 ft. 1778 Comment
  JEPS126309  Antennaria luzuloides subsp. luzuloides Steve Matson 2000-6-17 432 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  UC197219  Antennaria media C. F. Sonne 1897-7-1 Placer east of Mt. Anderson; Sierra Nevada Mountains 2438 Comment
  CAS-BOT-BC77285  Antennaria microphylla Geo. B. Grant 1906-7-15 7026 Placer Tahoe Tavern Comment
  CAS-BOT-BC77286  Antennaria microphylla John Thomas Howell 1943-7-21 18639 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC84725  Anthemis cotula John Thomas Howell; Gordon H. True 1971-7-1 48317 Placer North limits of Lincoln 48 Comment
  CAS-BOT-BC137712  Anthoxanthum odoratum Peter H. Raven 1949-6-28 1225 Placer Baxters. 1219 Comment
  UCR208547  Anthriscus caucalis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14675 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  POM29613  Antirrhinum vexillocalyculatum subsp. intermedium Marcus E. Jones 1882-7-3 3426 Placer Colfax. Comment
  UC878846  Apocynum androsaemifolium A. A. Heller 1917-8-13 12902 Placer cliff n. of Summit hotel 2164 Comment
  UCD22105  Apocynum androsaemifolium Rex Palmer 1979-7-12 N 601 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  UCR193395  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2007-5-30 12209 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 Comment
  RSA779398  Apocynum cannabinum George K. Helmkamp, Amy Barnes 2009-7-12 15190 Placer along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  SEINET12328858  Apocynum pumilum J. H. Nishida 1985-1 772 Placer Homewood: Red Fir Forest 1829 Comment
  CHSC9518  Aquilegia formosa J. F. Goodwin 1971-7-10 150 Placer Approx 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. SW of Cornelian Bay. 1981 Comment
  SD237579  Aquilegia formosa G. K. Helmkamp, Amy Barnes 2009-7-12 15180 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  UCD164652  Aquilegia formosa Brandi Sorensen 1995-6-1 29 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD95554  Aquilegia formosa L. M. Sparks 1912-8-1 27 Placer Lake Tahoe. 1920 Comment
  UC54280  Aquilegia formosa H. M. Hall and H. P. Chandler 1903-7-1 4681 Placer near summit of Mt. Ralston Sierra Nevada, Lake Tahoe vicinity 2773 Comment
  RSA537721  Arabidopsis thaliana Barbara Ertter 1989-4-9 8196 Placer halfway down road to Lake Clementine (N Fork Lake) NE of Auburn. 305 Comment
Read comments
Nov 19 2015
  SEINET5340569  Arabis oregana C. Bailey, Hugh N. Mozingo 1979-3-31 33 Placer Auburn area, New Forest Hill road, 5.8 miles east of Jct. of New and Old Forest Hill Rd. 792 Comment
  CDA15953  Arabis rectissima G. F. Hrusa, J. Glazner 1999-7-17 15139 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC32005  Arceuthobium americanum L. Ahart 1972-6-28 132 Placer French Meadows. 1524 Comment
  CAS-BOT-BC409995  Arceuthobium campylopodum Lowell Ahart 1972-6-28 s.n. Placer French Meadows 1524 Comment
  CAS-BOT-BC24154  Arctostaphylos Saichi Kawahara 1969-5-25 1018 Placer Top of ridge E of house, Mel henderson Ranch, E bank of Indian Creek, Dutch Flat Quadrangle 1036 Comment
  CDA39032  Arctostaphylos mewukka D. G. Kelch 2011-10-3 11 .827-B Placer Tahoe City. Granlibakken Resort. Comment
  UC674746  Arctostaphylos mewukka C. H. Merriam 1911-11-5 Placer 3 mi nw Colfax; West Slope Sierra Nevada Comment
  SEINET7258492  Arctostaphylos mewukka W. Priest 1956-3-27 s.n. Placer About 1/4 mile east of Colfax 1067 Comment
  RSA121274  Arctostaphylos nevadensis N. H. French 1934-6-10 406 Placer Near Lake Van Norden. 1921 Comment
  UC205109  Arctostaphylos nevadensis Katharine Brandegee 1905-8-8 Placer Alta Gr<ade?> Comment
  SEINET7262862  Arctostaphylos nevadensis A. Hogan 1923-7-29 1035 Placer [Sierra Nevada] Homewood, Lake Tahoe Comment
  CAS-BOT-BC42105  Arctostaphylos patula Alice Eastwood 1912-6-15 492 Placer Lake Tahoe Region - Deer Park Comment
  CAS-BOT-BC42106  Arctostaphylos patula John Thomas Howell 1976-7-18 51931 Placer Jeffrey pine forest, Carnelian Bay, Lake Tahoe 1905 Comment
  RSA122011  Arctostaphylos patula J. E. Sowder, R. W. Lundh 1933-4-20 51 Placer 3 1/2 mi. S.W. Blue Canyon, above railroad, Colfax. 1372 Comment
  UC82952  Arctostaphylos patula Katharine Brandegee 1889-7-1 Placer Blue Canyon Comment
  UCR23089  Arctostaphylos patula Susanne M. James 1980-4-22 112 Placer Hwy 267, 1.2 mi E Brockway Summitt 2134 Comment
  UCD52816  Arctostaphylos viscida D. H. Hartmann 1941-10-11 s.n. Placer 4 mi. west of Auburn. Comment
  CAS-BOT-BC47053  Arctostaphylos viscida subsp. viscida Catherine Best 1985-9-15 1145 Placer Growing near Sugar Pine Reservoir about 6 mi. n. of Forest Hill. 1158 Comment
  CAS-BOT-BC47063  Arctostaphylos viscida subsp. viscida W. R. Dudley 1909-8-16 s.n. Placer Dutch Flat. Comment
  RSA254297  Arctostaphylos viscida subsp. viscida Gary D. Wallace, R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1422 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
  RSA637016  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24911 Placer Forest Hill Road, 13 km west of Forest Hill, northeast of Auburn. 590 Comment
  RSA637022  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24913 Placer Forest Hill Road, 13 km west of Forest Hill, northeast of Auburn. 590 Comment
  RSA637028  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24923 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  UC484000  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1930-10-11 1733 Placer near Alta 1127 Comment
  RSA480532  Arenaria congesta A. Kellogg 1870-06 s.n. Placer Cisco. Comment
  SEINET3155287  Arenaria douglasii M. E. Jones sn Placer Emigrant Gap Comment
  UCD21689  Arnica Rex Palmer 1979-6-21 N 415 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC82205  Arnica chamissonis Le Roy Abrams 1911-7-27 4781 Placer Lake Valley 1950 Comment
  CAS-BOT-BC82206  Arnica chamissonis C. F. Sonne 1884-7-23 189 Placer Meadow near Mill on Truckee River Comment
  UC112836  Arnica dealbata Katharine Brandegee July 1908 Placer near junction of Blue Canyon and Emigrant Roads Comment
  UC468975  Arnica longifolia Miss Helen D. Geis Jun 1 1912-Jul 1 1912 43 Placer Deer Park Comment
  JEPS35909  Arnica longifolia L. S. Smith 1931-7-15 2608 Placer Tahoe National Forest 2621 Comment
  POM160971  Arnica longifolia subsp. myriadenia C. F. Sonne 1897-8-7 s.n. Placer E Slope Mt. Anderson 2439 Comment
  CAS-BOT-BC85174  Arnica mollis F. Almeda 1993-7-25 7295 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass. 1920 Comment
  UC159242  Arnica mollis Miss Harriet A. Walker 1910-6-18 2020 Placer on road to Deer Park 1981 Comment
  UC467691  Arnica nevadensis Miss Harriet A. Walker 1910-6-18 2120 Placer between Deer Park and Truckee 1981 Comment
  SACT000346  Arrhenatherum elatius D. Meyer 1983-7-24 Placer Sacramento Road north of I80 Dutch Flat exit, moist, shady roadside. 1030.0 Comment
  SEINET6775244 Image available Artemisia arbuscula L. Asche 1972-9-9 s.n. Placer Basin Peak Comment
  CHSC112136  Artemisia arbuscula subsp. thermopola Dean Wm. Taylor 2013-7-7 21400 b Placer Tinker Knob, east flank (approached from the jeep road along the ridge to the northeast). 2650 Comment
  CAS-BOT-BC90400  Artemisia douglasiana Peter H. Raven 1956-8-4 9991 Placer Blue Canyon 1432 Comment
  JEPS126300  Artemisia douglasiana Steve Matson 1998-9-1 398 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  UCR232647  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2011-9-30 18340 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  UCD75938  Artemisia ludoviciana Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5175 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  UC193589  Artemisia ludoviciana subsp. incompta C. F. Sonne 1887-8-7 Placer mts. above Coldstream Comment
  UCD129333  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer Base of a cliff north of Summit hotel. 2164 Comment
  UC193587  Artemisia ludoviciana subsp. incompta C. F. Sonne 1885-8-2 Placer ravine on river at Mathew's Dam; Truckee River Comment
  SACT000351  Arundo donax Josephine Van Ess 1976-8-4 Placer .25 mile below juction on rattlesnake road. moist roadside. 170.7 Comment
  SACT000350  Arundo donax var. donax D. Meyer 1984-6-23 Placer Intersection Of Iowa Hill Rd and the American River, rocky river bank. 352.0 Comment
  CAS-BOT-BC400751  Asarum lemmonii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UC372822  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
Read comments
Apr 7 2018
  UC1123505  Asclepias cordifolia C. R. Clar 1933-6-3 124 Placer near Weimer; Colfax Quadrangle Comment
  UCD158830  Asclepias cordifolia K. O'Keefe 1995-6-4 s.n. Placer Placer County, East edge of Old Forest Hill Rd., two mi from Forest Hill Rd. Western Sierra foothills, northeast of Auburn. 450 Comment
  CAS-BOT-BC474548  Asclepias speciosa James A. Neilson 1971-7-25 2283 Placer Tahoe Basin, King's Beach 1901 Comment
  SBBG58649  Asclepias speciosa E. Rockwell -Aug-1918 12 Placer Ladds Springs, American River 1219 Comment
  POM120737  Aspidotis densa Marcus E. Jones 1882-6-27 5 m-11-26 Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  SCFS11529135  Aspidotis densa E. Krimmel, F. Felix 2012-9-13 Placer NFAm, on trail. Tucked around rocks in shallow ravine. Comment
  UC399499  Aspidotis densa Mrs. Carlotta C. Hall June 1910 Placer n slope of Yuba River Cisco 1676 Comment
  CDA16047  Aster eatonii G. F. Hrusa, J. Glazner 2000-9-3 15665 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  CDA25020  Aster eatonii J. Glazner 2000-9-2 Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  CDA25023  Aster occidentalis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  SCFS1172  Asteraceae E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Road at Chickering. Comment
  JEPS127432  Astragalus cicer Steve Matson 2003-8-15 910 Placer nSNH north Lake Tahoe; Dollar Hill 3 miles east if Tahoe City. Comment
  JEPS127433  Astragalus cicer Steve Matson 2003-7-6 836 Placer nSNH; north Lake Tahoe ; Dollar Hill 3 miles east of Tahoe City. Comment
  RSA523952  Astragalus gambelianus Barbara J. Ertter, David Thompson 1989-4-8 8160 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UCD38786  Astragalus lentiginosus var. ineptus Beecher Crampton 1958-6-24 4950 Placer About 4 miles southeast of Truckee, eastern edge of Martis Valley. Placer-Nevada County line. Comment
  CAS-BOT-BC198676  Astragalus whitneyi var. whitneyi J. F. Emmel 1969-6-15 167 Placer Slope south above Donner Pass. 2255 Comment
  CHSC10695  Athyrium filix-femina var. cyclosorum Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  SEINET5340474  Athysanus pusillus F. Brunetti 1962-3-7 s.n. Placer 2 miles east of Auburn, above north Fork American River. 274 Comment
  SACT000359  Avena barbata Michael Baad 1983-4-17 Placer 4 miles South of Interstate 80 on Ponderosa Road 411.48 Comment
  SEINET5336143  Avena barbata J. Solaegui 1977-3-19 s.n. Placer 3 mi. E of Auburn on Rt. 49 on dirt road immediately N of Highway 274 Comment
  SACT000393  Avena fatua Michael Baad 1983-4-17 Placer descending to Middle Fork of American River; serpentine 411.48 Comment
  SACT000419  Avena occidentalis D. Meyer 1984-6-17 Placer 666.0 Comment
  CHSC26005  Balsamorhiza hookeri James Henrickson 1969-5-25 3405 Placer 102 mi NE of Sacramento, 4 mi SE of Truckee along Hwy 267. 1828 Comment
  CAS-BOT-BC100073  Balsamorhiza macrolepis Lewis S. Rose 1933-3-23 33032 Placer 8 mi. W. of Fairfield Comment
  JEPS32252  Balsamorhiza macrolepis R. F. Hoover 1939-5-10 4092 Placer Lincoln Comment
  CAS-BOT-BC16551  Barbarea orthoceras A. A. Heller 1917-6-17 12697 Placer Along the Yuba River below Cisco. 1676 Comment
  RSA0037368  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-5-3 20485 Placer Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 ) of Foresthill 829 Comment
  UC147603  Barbarea orthoceras Harriet A. Walker 1908-6-25 1307 Placer Cisco, Placer Co. 1810 Comment
  UCD22357  Barbarea orthoceras Rex Palmer 1979-6-20 N 345 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA12379  Barbarea vulgaris G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8507 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  JEPS113294  Bellardia trixago L. P. Janeway 2006-5-10 8594 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. Comment
  CAS-BOT-BC75987  Berberis pumila L. S. Smith 1926-4-16 1774 Placer Tahoe Forest. Forest Hill Ridge. 1219 Comment
  UCD129571  Bidens frondosa G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12955 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR253810  Bidens frondosa George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20105 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  CAS-BOT-BC413047  Bistorta bistortoides John Thomas Howell 1943-7-22 18697 Placer Summit Valley Comment
  SEINET4176258  Boechera J. Halderman 2007-9-18 s.n. Placer Sierra Nevada, north-facing slope of Lookout Mountain at Northstar Ski Area 2346 Comment
  UC186856  Boechera lemmonii C. F. Sonne 1897-7-18 Placer Tinkers Knob 2743 Comment
  CAS-BOT-BC14253  Boechera pinetorum Lewis S. Rose 1940-6-1 6200 Placer Truckee River, 3 miles northwest of Tahoe City. 1889 Comment
  CAS-BOT-BC25455  Boechera retrofracta Margaret Williams 1974-8-8 74 -P1-20 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  UCD22348  Boechera retrofracta Rex Palmer 1979-6-19 N 247 Placer Headwaters basin area of the North Fork of the American River. Comment
  SJSU8588  Boechera retrofracta N. D. Addy 1962-7-8 195 Placer by trail to Desolation Valley c. 6 mi E of Fallen Leaf L 2072 Comment
  SEINET10389276  Bolboschoenus fluviatilis R. D. Olson 1949-5-14 16 Placer U.S. Highway 40, Roseville City Limit (W). 61 Comment
  UC114850  Boykinia major Brandegee Sept. 1888 Placer Blue Canyon Comment
  CAS-BOT-BC418415  Boykinia occidentalis Catherine Best 1985-9-15 1144 A Placer Growing at the edge of a creek near Sugar Pine Reservoir about 6 miles north of Forest Hill 1158 Comment
  SACT000435  Brachypodium distachyon Michael Baad 1976-6-3 Placer 1.1 miles east of North Fork of American River Bridge; southwest facing slopes; red igneous rock 217.9 Comment
  CDA37232  Brassica campestris CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR231879  Brassica geniculata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17022 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  SEINET11195093  Brassica rapa J. Ridley 1959-3-29 4 Placer Open field 1 mile E of Hwy 89, 2 miles N of Roseville. 49 Comment
  SD243074  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17015 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road (Between CA-49 and new Foresthill Road), 1.8 miles northeast of junction with CA-49 (Auburn 7.5'Q) 249 Comment
  UCR190583  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2007-9-14 12961 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  UC175390  Brickellia greenei Miss Helen D. Geis 1909-8-1 Placer Deer Park, Tahoe District Comment
  UCD163374  Brodiaea appendiculata Robert E. Preston 2015-4-6 2995 Placer 2.3 mi SW of Sheridan, at Yankee Slough Wetland Preserve. 40 Comment
  UCD77163  Brodiaea appendiculata Robert E. Preston 2004-4-25 2225 Placer Ca. 4 mi NE of Sheridan, along Camp Far West Rd 32 Comment
  UC337865  Brodiaea elegans subsp. elegans unknown 1889-6-12 Placer near Blue Canyon Comment
  RSA752668  Brodiaea minor George K. Helmkamp, E. A. Helmkamp 2008-4-17 13284 Placer Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  SD236125  Brodiaea minor G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13284 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36 Comment
  UCD77124  Brodiaea nana Robert E. Preston 2003-5-6 2120 Placer Ca. 2.3 mi NW of Roseville, along Phillip Rd, 1.25 mi W of its jct with Fiddyment Rd 32 Comment
  UCD147856  Brodiaea rosea subsp. vallicola Robert E. Preston 2013-4-15 2910 Placer Between Roseville and Lincoln, 200 ft E of Hwy 65, 0.7 mi N of Sunset Blvd. 47 Comment
  JEPS45877  Bromus L. S. Smith 1928-7-18 2478 b Placer Tahoe National Forest, Whiskey Creek Trail Whiskey Creek Trail; Tahoe National Forest, Whiskey Creek Trail 2133 Comment
  UCD44481  Bromus arenarius C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1847 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC2042516  Bromus carinatus Holly Forbes and Barbara Keller 2010-7-13 Placer Tahoe National Forest, at Chalet Road near the intersection of road to parking area and Subway Lift at Alpine Meadows Ski Resort Comment
  SEINET4345208  Bromus carinatus W. D. Billings 1940-5-18 1302 Placer Gold Run Comment
  UC1131047  Bromus carinatus var. carinatus B. Bolt 1934-7-3 Placer top of Sawtooth Ridge Sawtooth Ridge 1219 Comment
  SACT000524  Bromus diandrus Michael Baad 1977-6-8 Placer road between Forest Hill and French Meadows, roadside in serpentine chaparral community 914.4 Comment
  UCD58524  Bromus diandrus Al Franklin 1987-5-1 87 -04 Placer 1.6 miles east of I-80 on Forest Hill Rd. Just outside of Auburn. 426 Comment
  UCD59464  Bromus diandrus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  CAS-BOT-BC155445  Bromus hordeaceus Peter H. Raven 1954-4-16 6607 Placer 7 miles south of LIncoln on road to Rosevill. Comment
  UCD58828  Bromus hordeaceus Al Franklin 1987-5-1 87 -01 Placer 1.6 miles east of I-80 on Foresthill Road; just outside of Auburn. 426 Comment
  SACT000559  Bromus laevipes Michael Baad 1977-6-8 Placer on the road between Forest Hill and French Meadows, roadside in serpentin-chaparral community Comment
  SACT000595  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Garden Bar Rd. collected in woodland area. Shaded slope. Heads nodding. Comment
  SACT000597  Bromus laevipes D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Rd 978.0 Comment
  SACT000630  Bromus madritensis Michael Baad 1983-5-7 Placer open rock hillside; south-facing, serpentine slope 426.7 Comment
  UC1131199  Bromus madritensis subsp. rubens N. French 1933-6-6 73 Placer near Newcastle 213 Comment
  POM112529  Bromus marginatus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SBBG117239  Bromus orcuttianus B. Crampton 1964-7-21 7126 Placer Blue Cyn 1430 Comment
  SBBG22674  Bromus orcuttianus M. S. Walters 1960-6-22 Placer Hwy 28 at Brockway, Lake Tahoe Comment
  SBBG26324  Bromus orcuttianus B. Crampton 1964-7-21 Placer Blue Cyn 1430 Comment
  SEINET238822 Image available Bromus orcuttianus Beecher Crampton 1967-7-26 8152 Placer North end of Lake Tahoe ca. 3 miles northwest of Kings Beach near summit on Highway 267. 1920 Comment
  UCD33389  Bromus orcuttianus Beecher Crampton 1967-7-26 8152 Placer Placer County, north end of Lake Tahoe, ca. 3 miles N.W. of Kings Beach near summit on Hwy. 267. 1920 Comment
  UCR151937  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Sierra Nevada Mountains, Blue Canyon 1431 Comment
  UCR215974  Bromus orcuttianus George K. Helmkamp, Amy Barnes 2009-7-12 15177 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UCD59522  Bromus rubens M. Vincent 1965-4-19 649 Placer 4 miles south of Marysville. Comment
  SACT000674  Bromus sterilis Josephine Van Ess 1975-5-23 Placer west side of top rocky crown of the hill. Shaded sheltered by arge rocks wooded area. 915.0 Comment
  SACT000755  Bromus suksdorfii Michael Baad 1983-9-3 Placer form saddle between Mount Judah and Mount Lincoln 2529.0 Comment
  SACT000757  Bromus suksdorfii D. Meyer Placer 10 miles from French Meadows, dry roadside 1524.0 Comment
  CHSC73528  Calamagrostis canadensis L. P. Janeway; Eric Schroder 1998-9-16 6336 Placer Lake Tahoe Basin-National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of lake Tahoe. 2124 Comment
  SEINET3924084  Calamagrostis canadensis Ellen Dean 2008-7-20 5249 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon.; 0 2099 Comment
  CAS-BOT-BC438323  Calandrinia ciliata John Thomas Howell; Gordon H. True 1971-5-26 47643 Placer Northern limits of Lincoln 48 Comment
  CDA37239  Calandrinia ciliata CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  JEPS126347  Callitriche heterophylla var. bolanderi Steve Matson 2003-9-6 956 Placer nSNH: Truckee River watershed, SW of Truckee; Alpine Meadows Ski Area, bowl south of Estelle Bowl. Comment
  CDA34203  Calocedrus decurrens D. G. Kelch 2011-5-17 11 .519 Placer Dutch Flat. Comment
  CHSC24734  Calochortus albus T. C. English 1976-4-11 12 Placer N. Fork American River. 2 mi. W. Hwy 49 bridge, 400yds. N. abandoned R. R. in S. facing rockpile. 335 Comment
  CHSC3436  Calochortus albus Judy Potter 1966-4-8 Placer Folsom-Auburn Pony Express Trail. Area of P. G. E. reservoir above Rattlesnake Bar. Comment
  UCR173280  Calochortus albus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10447 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  RSA263472  Calochortus albus R. C. Foster 1937-5-8 253 Placer In thicket between Penryn and Auburn on a short side road. Comment
  SEINET8194250  Calochortus albus J. Solaegui 1977-4-16 s.n. Placer 3 miles E of Auburn on Rte 49, along dirt road immediately N of Rte 49. 335 Comment
  UC198915  Calochortus albus C. F. Sonne 1891-5-17 Placer between Auburn and Newcastle Comment
  UC3364  Calochortus albus Mrs. King and N. D. Roberts 1892-5-1 Placer Comment
  UCD170756  Calochortus clavatus 1997-5-3 19 Placer City of Rocklin, bordering Sierra College Campus, along nature trail on southeastern edge of Secret Ravine. 91 Comment
  UCR242374  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16672 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 0.3 mile north of its junction with Forest Hill Road at Robinson Flat 2024 Comment
  RSA25281  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC493401  Calochortus monophyllus L. Constance; J. L. Morrison 1938-4-30 2172 Placer At E. edge of Applegate, Sierra Nevada foothills 609 Comment
  SD62151  Calochortus nudus Darley F. Howe 1965-5-21 Placer Canyon on south side of north fork of American River, between Forest Hill and Yankee Jims. 914 Comment
  SEINET8197646  Calochortus nudus W. Roderick, R. Halliday 1967-6-10 s.n. Placer N. of Emigrant Gap. 1524 Comment
  SEINET3992420  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles north of Colfax Comment
  SEINET8197723  Calochortus superbus W. Roderick, R. Halliday 1967-6-10 s.n. Placer N edge of Auburn. 366 Comment
  SD103951  Calochortus uniflorus J. L. S. S. 1970-5-26 Placer Near Auburn, wet. low, alkaline places. (IPB 3/08) Comment
  CAS-BOT-BC270652  Calycadenia multiglandulosa David D. Keck 1932-7-1 1590 Placer 2 miles N of Auburn 425 Comment
  CAS-BOT-BC270654  Calycadenia multiglandulosa H. D. Ripley; R. C. Barneby 1948-7-12 9815 Placer Applegate, along railroad Comment
  SD237303  Calycadenia multiglandulosa G. K. Helmkamp, E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  SD61090  Calycadenia multiglandulosa Darley F. Howe 1964-7-26 3872 Placer Auburn 365 Comment
  CAS-BOT-BC270650  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer 0.3 mile N of Weimar P.O. 685 Comment
  JEPS7095  Calycadenia multiglandulosa Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Howard Stutz, Alex D. Hawkes, Juan Hunziker, 1952-7-19 3849 Placer about 1 1/2 mi n of (and below) Colfax (on grade along road to Iowa Hill, n slope of the canyon of the North Fork of the American River); North Fork of the American River Comment
  UC89044  Calycadenia truncata K. Brandegee 1889-7-6 Placer near Alta; Towles Comment
  POM29893  Calycadenia truncata subsp. truncata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UC1136657  Calyptridium monospermum N. French 1934-5-24 367 Placer North Fork of North Fork American River North Fork American River; Tahoe National Forest, North Fork American River 1341 Comment
  UCR47682  Calyptridium monospermum M. -H. Sachet 1957-8-31 301 Placer Along road from Echo Summit to Placerville 1677 Comment
  SEINET5336320  Calyptridium paniculatum H. A. Walker 1908-6-23 1207 Placer Blue Canyon Station in the Sierra Nevada, Transition Zone. 1470 Comment
  UC852125  Calyptridium umbellatum A. A. Heller 1917-8-13 12912 Placer Ridge nw of Donner Pass 2346 Comment
  UCD100442  Calyptridium umbellatum Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer West end of Ward Valley in Lake Tahoe Basin. 1889 Comment
  UCD33735  Calystegia malacophylla Beecher Crampton 1972-7-26 8846 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  SCFS5090  Calystegia malacophylla F. Felix, Erica Krimmel 2013-5-19 11 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  UCD126139  Calystegia occidentalis A. S. Crafts 1926-5-1 791 Placer American River Canyon. Comment
  SEINET13203118 Image available Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Amy Barnes 2014-1 22779 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  JEPS124665 Image available Camassia leichtlinii subsp. suksdorfii Laurie Hooker 1965-6-27 25 Placer 3.7 miles past Montreal Road So on Hi 89. Meadow at left road. Comment
  JEPS59465  Camassia quamash subsp. breviflora Ezra Brainerd and Viola B. Baird Jun 26 1915-Jul 5 1915 202 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1920 Comment
  POM67357  Campanula prenanthoides Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon Comment
  RSA750421  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2008-9-15 14114 Placer along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  UCR146859  Campanula prenanthoides Beecher Crampton 1956-7-17 3730 Placer Sierra Nevada Mountains, Blue Canyon 1433 Comment
  SEINET10462874  Campanula prenanthoides Carpenter Carpenter s.n. Placer Comment
  SEINET10873262  Campanula prenanthoides Munns 1922-6-27 MUNNS 205 Placer Pilot Creek 1585 Comment
  SEINET10972399  Campanula prenanthoides Jones 1900-7-26 Jones s.n. Placer Blue Canyon 1463 Comment
  UCR173518  Capsella bursa-pastoris George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10130 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UCR270279  Cardamine cordifolia John F. Emmel 2002-6-23 1756 Placer Sierra Nevada Mountains, northern Lake Tahoe region, Middle Martis Creek 2195 Comment
  CDA19544  Cardamine hirsuta M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 225 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  SBBG128860  Cardamine pensylvanica G. K. Helmkamp, E. A. Helmkamp 2012-2-23 18576 Placer Newcastle, along CA-193 (Newcastle Hwy), 0.1 mi SE of its jct with Langs Hill Rd, W of the jct with I-80, SW of Auburn 279 Comment
  CDA39224  Cardaria pubescens Keith Kohler 2013-8-5 PDR# 310 P06129936 Placer Vicinity of Truckee; Northstar, Village Walk. 0 Comment
  CDA11985  Carex G. F. Hrusa 1995-5-2 12166 Placer Sierra Nevada; Approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCD140989  Carex G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12067 Placer Northern Sierra Nevada Mountains: Sugar Pine Road, 0.2 mile northwest of Forest Hill Road. 1360 Comment
  JEPS49030  Carex Leland S. Smith 1937-8-12 2236 Placer below Squaw Peak (upper end of basin); Tahoe Forest, Squaw Peak Basin 2286 Comment
  JEPS49048  Carex abrupta Leland S. Smith 1926-6-10 1904 Placer near McMurray Lake (n of Bowman) 1828 Comment
  JEPS99468  Carex amplifolia Steve Matson Jul 2001 494 Placer near junction of gas line forest service road and Griff Creek Tahoe Basin, Griff Creek watershed Comment
  UCSB63803  Carex angustata Janeway, L.; Schroder, Eric; Murrell, Katherine 1998-7-15 Placer T14N, R13E, NW1/4 of NW1/4 of sec. 35; Homewood quad.; north side of Blackwood Creek; 1.7 mi. west of LakeTahoe 1938 Comment
  CHSC89003  Carex aquatilis var. aquatilis L. P. Janeway 2004-8-18 8247 Placer Northern High Sierra Nevada. Between Blackwood Canyon Road and Blackwood Creek 2.7 km west from Hwy 89 and west shore of Lake Tahoe. Large meadow complex. 1945 Comment
  UCD44521  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1887 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44599  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1965 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC18023  Carex athrostachya James A. Neilson 1970-7-18 1601 Placer Sierra Nevada. Ward Valley. Comment
  CHSC75311  Carex athrostachya Susi Urie 1998-8-29 98 -159 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC84746  Carex athrostachya L. P. Janeway; B. Castro 2003-8-23 7967 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  UCD44625  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1991 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS63540  Carex athrostachya W. L. Jepson 1931-6-17 15926 Placer Mink Harbor Lake Tahoe, Crystal Bay, Mink Harbor 1920 Comment
  UC830194  Carex aurea Alice Eastwood Jun 15 1912-Jun 19 1912 473 Placer Tahoe City Lake Tahoe Region, Tahoe City Comment
  POM80460  Carex bolanderi Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  SEINET11630737  Carex densa M. E. Jones 1889-1 9 Placer Emigrant Gap Comment
  SEINET5786460 Image available Carex filifolia Marcus E. Jones 1882-1 2908 Placer Emigrant Gap Comment
  UCD75961  Carex filifolia var. erostrata Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5226 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CAS-BOT-BC20679  Carex fracta John Thomas Howell 1943-7-21 18647 Placer Donner Pass to Mt. Lincoln. Comment
  CAS-BOT-BC20682  Carex fracta Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CAS-BOT-BC20689  Carex fracta Saichi Kawahara 1969-5-25 1004 Placer Mel Henderson Ranch, Indian Creek. 987 Comment
  CHSC98656  Carex fracta Robert F. C. Naczi 2006-8-3 11406 Placer Ca. 4.2 mi E of town of Cisco Grove, 1.0 mi W of Nevada Co. border, S of E-bound lanes of I-80, 0.4 mi W of overpass for exit 171 (Kingvale Exit). 1851 Comment
  UC1133376  Carex helleri L. S. Smith 1927-8-12 2225 Placer Squaw Peak Ridge Truckee Quadrangle 2438 Comment
  SEINET3901910  Carex heteroneura Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; M. Bibbo; T. Sasaki; J. Poloske 2008-7-19 5135 Placer Donner State Oark, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  CHSC68057  Carex hoodii James D. Jokerst 1986-7-13 2699 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  SEINET176588  Carex hoodii M. E. Jones 1882-6-28 3532 Placer Emigrant Gap Comment
  UCD43114  Carex hoodii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 482 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR120502  Carex illota George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5029 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SEINET10710002  Carex integra Lewis S. Rose 1939-6-5 Rose 39216 Placer Bear Valley, near Emigrant Gamp. 1372 Comment
  SEINET4231775 Image available Carex jonesii K. Chung, Matson, S 2009-1 1074 Placer Lake Tahoe, north side Comment
  UCD75965  Carex jonesii Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5244 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  UCD149406  Carex laeviculmis G. Ledyard Stebbins 1976-7-4 7685 Placer Spring Hollow, E of Little Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD44699  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2065 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC710517  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-25 44240 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UCD42921  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 289 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET11125863 Image available Carex mariposana Unknown 2009-1 24618 Placer Just south of Donner Pass, near Route 40 and Mary Lake. Northern Sierra Nevada Highlands (n SNH) Comment
  UCD43304  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 672 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43382  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 750 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC32063  Carex multicaulis Saichi Kawahara 1969-5-25 900 Placer Ditchline, N of old Cabin, Mel Henderson Ranch, Indian Creek. 1011 Comment
  CDA16987  Carex multicaulis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16040 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SEINET3219609 Image available Carex multicaulis Clare B. Hardham 1961-6-14 7349 Placer route 40, near Baxter. Comment
  UC825430  Carex multicaulis Marcus E. Jones, A. M. 1882-6-28 3286 Placer Emigrant Gap Comment
  UCR235589  Carex multicaulis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18929 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UCD75690  Carex multicostata Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5139 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CAS-BOT-BC119850  Carex nebrascensis Margaret Williams 1974-8-8 74 -P1-12 Placer Murphy's Meadow, 5 mi SE of Hirschdale. 2316 Comment
  CHSC74298  Carex nebrascensis Susi Urie 1998-8-29 98 -153 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74303  Carex nebrascensis Susi Urie; Eric Schroder 1998-9-11 98 -341 Placer Lake Tahoe Basin. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD43829  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1195 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC119690  Carex nervina Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
  POM81078  Carex nervina Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  JEPS14034  Carex nudata Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Juan Hunziker, Alex Hawkes, ... 1952-7-19 3851 Placer 1/2 mi above bridge on Iowa Hill to Colfax road (below Cape Horn on the S.P. RR); North Fork of the American River 381 Comment
  CHSC74292  Carex pellita Susi Urie 1998-9-1 98 -188 Placer Lake Tahoe Basin Management Unit, National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  UCD43320  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 688 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43971  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1337 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44621  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1987 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SEINET10715858  Carex pellita Lewis S. Rose 1938-9-14 Rose 38267 Placer Truckee River, 3 mi nw. of Tahoe City Stream bank. 1829 Comment
  CHSC74014  Carex praegracilis Susi Urie 1998-8-18 98 -075 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC118758  Carex preslii John Thomas Howell 1943-7-27 18877 Placer Lake Tahoe near Tahoe Pines. Comment
  CAS-BOT-BC117445  Carex senta Alice Eastwood; John Thomas Howell 1937-5-8 4362 Placer Between Newcastle and Penryn. Comment
  SEINET7575126 Image available Carex senta Alice Eastwood, John Thomas Howell 1937-5-8 4362 Placer Between Newcastle and Penryn. Comment
  UCD44678  Carex simulata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2044 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD43262  Carex specifica C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 630 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD42989  Carex spectabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 358 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS73206  Carex spectabilis Gladys L. Smith 1972-8-25 3405 Placer e-facing slope betw. Shirley chairlift and Watson Memorial (Granite Chief tr.); Granite Chief tr. 2529 Comment
  CHSC67710  Carex straminiformis James D. Jokerst 1986-7-13 2727 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak, scree on S-facing slope. Comment
  CAS-BOT-BC116551  Carex subfusca John Thomas Howell 1943-7-27 18873 Placer Lake Tahoe near Tahoe Pines Comment
  CAS-BOT-BC116561  Carex subfusca L. S. Smith 1916-6-18 555 Placer Squaw Valley. 1828 Comment
  CHSC72895  Carex subfusca L. P. Janeway; Eric Schroder 1998-7-13 5741 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC74313  Carex subfusca Susi Urie 1998-8-17 98 -052 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC92617  Carex subfusca G. F. Hrusa; J. Glazner 1997-8-3 14052 Placer Northern California. Sierra Nevada. Corner of Hwy 89 and Squaw Valley Rd. On periphery of main meadow. [Lat./long. on label is '39 12 N; 120 12 W']. 2000 Comment
  SEINET4286150 Image available Carex subfusca K. Chung, Matson, S 2009-1 1075 Placer Lake Tahoe, north side. Comment
  UCD44466  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1832 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC74719  Carex utriculata Susi Urie; Eric Schroder 1998-9-10 98 -328 Placer Lake Tahoe Basin Management Unit. Antone Meadows: along Burton Creek, about 2.1 mi northwest of Lake Antone. 2072 Comment
  UC710519  Carex utriculata Lewis S. Rose 1944-7-25 44244 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UCD162536  Carex utriculata Steve Matson 2002-7-21 609 Placer nSNH; Truckee River region; Pole Creek near Squaw Valley. 1950 Comment
  UCD43068  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 436 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC115055  Carex vesicaria Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-21 1517 Placer Marsh between Sandy Beach and Agate Bay, N end of Lake Tahoe. Comment
  CAS-BOT-BC114925  Carex whitneyi John Thomas Howell 1943-7-27 18875 Placer Lake Tahoe near Tahoe Pines. Comment
  UC710439  Carex whitneyi Lewis S. Rose 1944-7-26 44279 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UCD75947  Carex whitneyi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5188 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail. 2161 Comment
  SEINET3909086  Carex whitneyi N. H. French 1934-6-26 s.n. Placer Tahoe National Forest.; 0 Comment
  SD3558  Cassiope mertensiana C. F. Sonne 1897-8-14 Placer Truckee, east slope of Mt. Anderson. Comment
  SCFS11529121  Castilleja E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UC1607878  Castilleja affinis subsp. affinis C. G. Nast 1936-4-12 126 Placer Auburn Comment
  CAS-BOT-BC249347  Castilleja applegatei R. F. Hoover 1967-9-5 10830 Placer Carnelian Bay, Lake Tahoe Comment
  JEPS73654  Castilleja applegatei subsp. pinetorum L. R. Heckard with G. L. Stebbins 1973-6-17 3442 Placer about 7 air mi se Emigrant Gap (on summit of Big Valley Bluff); Big Valley Bluff 1920 Comment
  JEPS73657  Castilleja applegatei subsp. pinetorum L. R. Heckard with G. L. Stebbins 1973-6-18 3445 Placer about 2.5 road mi e Forest Hill (high above (n of) Middle Fork American River) 762 Comment
  UC187801  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner Comment
  UCR250687  Castilleja applegatei subsp. pinetorum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20354 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  CDA36915  Castilleja attenuata CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  JEPS113282  Castilleja attenuata Lowell Ahart, Brian Williams 2007-4-13 13652 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SD43622  Castilleja attenuata Darley F. Howe 1948-5-20 Placer Placer Co. 456 Comment
  UCD41257  Castilleja lacera Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1714 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  POM284543  Castilleja miniata Lyman Benson 1942-7-2 11263 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  JEPS7444  Castilleja miniata Rimo Bacigalupi with Lawrence R. Heckard 1951-8-9 3488 Placer about 1.5 mi n Lake Tahoe at Tahoe City (in the Truckee River Canyon); Truckee River Canyon 1828 Comment
  UCD43177  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 546 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44427  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1793 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET14151850  Castilleja nana M. J. Williams 1985-7-13 85- 62 -1 Placer Sierra Nevada, near summit of old Donner Highway, near the beginning of the Pacific Crest Trail. 2152 Comment
  JEPS86483  Castilleja pruinosa L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6563 Placer ca 5 mi se Donner Lake (w of Tinker Knob, Sherman Chickering's Soda Springs holdings); Sherman Chickering's Soda Springs 2042 Comment
  UCD162560  Castilleja tenuis Steve Matson 1999-7-28 354 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dry meadow east of main bog. 1920 Comment
  CAS-BOT-BC240285  Ceanothus William Williams 1986-6-15 s.n. Placer Norden. Hill at top of ski lift Comment
  CAS-BOT-BC47795  Ceanothus Baki Kasapligil 1974-10-6 4913 Placer Soda Springs, Sugar Bowl 1828 Comment
  CAS-BOT-BC47796  Ceanothus C. H. M. 1911-11-5 s.n. Placer Colfax Comment
  SCFS5100  Ceanothus F. Felix, Erica Krimmel 2013-5-26 47 -B Placer North Fork/Chickering American River Reserve. Where Cedar Meadows trail meets Cedar Creek falls. Comment
  SBBG26764  Ceanothus X connivens C. L. Hitchcock 1940-5-7 6330 Placer 1 mi W of Baxter Comment
  UCD143724  Ceanothus arcuatus F. Felix, E. Krimmel 2013-5-26 45 Placer North Fork/Chickering American River Reserve. Where Cedar Meadows trail meets Cedar Creek Falls. Comment
  UCD143727  Ceanothus arcuatus F. Felix, E. Krimmel 2013-5-26 47 -A Placer North Fork/Chickering American River Reserve. Where Cedar Meadows trail meets Cedar Creek Falls. Comment
  UCSB23140  Ceanothus arcuatus Towsley, Guy; McMinn, H. 1941-8-23 Placer 1/2 mile east of Dutch Flat Comment
  CAS-BOT-BC47858  Ceanothus cordulatus Alice Eastwood 1909-1-1 s.n. Placer Sunnyside Comment
  CAS-BOT-BC47892  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  CAS-BOT-BC47899  Ceanothus cordulatus H. E. McMinn 1926-5-29 1752 -A Placer At Crystal Lake-road to Truckee 3 mi west of Cisco Hotel Comment
  SEINET4560766  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2012-1 16660 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UC18258  Ceanothus cordulatus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD111380  Ceanothus cordulatus Beecher Crampton 1976-10-14 9318 Placer Blue Canyon airport area. 1524 Comment
  UCD130328  Ceanothus cordulatus Albert Grigarick 2011-8-31 307 Placer Alpine Meadows Ski Resort. Approx. 200 yds W of headquarters. 2151 Comment
  UCR242330  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16660 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SEINET5339253  Ceanothus cordulatus D. Seeber 1980-9-20 s.n. Placer Near Kingvale 335 Comment
  SEINET5339267  Ceanothus cuneatus C. Bell 1962-3-17 36 Placer 2 mi. east of Auburn; above north fork of American River. 244 Comment
  UC1281452  Ceanothus cuneatus var. cuneatus H. E. McMinn and G. Townsley 5425 Placer e Alto (along old road to Hwy 40) 1188 Comment
  UC1070650  Ceanothus fresnensis B. Bolt 1934-7-16 118 Placer 1 1/2 miles SE of Health Springs 2164 Comment
  CAS-BOT-BC50754  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  RSA399911  Ceanothus integerrimus Wm. Martin 1977-9-10 20277 Placer 2 miles S of Ranger Station, Blue Canyon Creek, Tahoe National Forest. Comment
  SACT002926  Ceanothus integerrimus Michael Baad 1983-4-9 Placer Collected along roadside. 0.2 mile south from Auburn-ForestHill Highway. 6 miles east of bridge over American River, south-facing slope. Comment
  UCD111956  Ceanothus integerrimus Eric Brenner; John Hunter 1996-5-26 026 Placer Tahoe National Forest, Mosquito Ridge Rd. 1280 Comment
  UCD111989  Ceanothus integerrimus Ray Prag 1970-5-3 s.n. Placer Mosquito Ridge Road. Comment
  UCR222893  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15900 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill 308 Comment
  UCR243140  Ceanothus integerrimus Dan Cederquist 1984-5-22 s.n. Placer Rollins Lake 716 Comment
  CAS-BOT-BC51041  Ceanothus integerrimus var. macrothyrsus Mrs. Marian Campbell 1920-6-28 s.n. Placer Summit Comment
  SACT002944  Ceanothus lemmonii Michael Baad 1983-5-7 Placer 3.4 miles south of Colfax on Iowa Hill Road. 2 miles south of the North Fork of the American River. 978.0 Comment
  UCD164638  Ceanothus oliganthus Brandi Sorensen 1995-6-1 23 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC63397  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer Ca. 1 mi. w. of Baxter. Comment
  UCD15602  Ceanothus prostratus Lisa Montany 1985-5-18 17 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  OBI10378  Ceanothus prostratus var. prostratus H. E. McMinn 1941-8-23 5371 Placer About 1/2 way out of Blue Cyn to Hwy 40 Comment
  RSA0028383  Ceanothus tomentosus Fay A. MacFadden 1934-3-31 12486 Placer Near Monte Vista Inn. Comment
  CAS-BOT-BC52884  Ceanothus tomentosus var. tomentosus Hamilton Peers 1933-5-12 s.n. Placer Colfax Comment
  RSA121652  Ceanothus velutinus N. H. French 1934-6-19 428 Placer 1/4 mile W of Devil's Peak. 2104 Comment
  SEINET5430947  Ceanothus velutinus E. Neese 1980-10-15 9983 Placer Ca 2 mi E of Cisco- along I-80- 500 ft. Comment
  RSA23385  Ceanothus velutinus subsp. velutinus H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles NW of Tahoe City. 1890 Comment
  CAS-BOT-BC272115  Centaurea cyanus Peter H. Raven 1950-6-26 2409 Placer Along US 40 in the altitude range of Baxter's 1219 Comment
  CDA42291  Centaurea maculosa R. Kerr 1998-6-16 s.n. Placer on N side of I-80, 0.1 mi. E of Cisco Grove. 0 Comment
  CDA36362  Centaurea maculosa Bob Graton/Wendy West 2011-9-23 PDR# 1332991 Placer Squaw Valley Ski Resort. 0 Comment
  CDA7270  Centaurea maculosa T. C. Fuller 1965-8-1 13944 Placer Sierra Nevada; Sierra Nevada. South side of the westbound lanes of Interstate 80 freeway, 0.1 mile east of Blue Canyon Road. Comment
  RSA186847  Centaurea maculosa T. C. Fuller 1965-8-10 13942 Placer South side of westbound lanes of Interstate 80 freeway, 1.4 miles east of Emigrant Gap; Sierra Nevada 1829 Comment
  UCR146861  Centaurea repens Beecher Crampton 1972-7-26 8851 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  UCD130112  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-28 11177 Placer north side of Hwy 40 freeway to Truckee, 0.5 mile east of Hamshire Rocks. Comment
  UCD20192  Centaurea stoebe subsp. micranthos A. M. Shapiro 2001-8-1 s.n. Placer Dutch Flat Powerhouse Road. 914 Comment
  SDSU7110  Centaurium tenuiflorum D. F. Howe 1961-8-8 3137 Placer By canal 4 miles north of Auburn. 457 Comment
  CAS-BOT-BC288620  Centromadia fitchii J. Clausen 1932-9-16 654 Placer 1.5 miles E of Lincoln on the Gold Hill Rd from Auburn Comment
  UCD150310  Cerastium glomeratum James A. Neilson Jr. 1971-9-9 2602 Placer Tahoe Basin, Tahoe City, McBride's nursery (Tahoe Tree Company.) 1889 Comment
  SEINET7347832  Cercis canadensis L. Munker No date specified 25 Placer 10 miles east of Auburn, U.S. 40 413 Comment
  CAS-BOT-BC135625  Cercocarpus ledifolius var. ledifolius Olga Reifschneider 1956-5-27 s.n. Placer Fire road south of Truckee River, Hirschdale Comment
  SEINET11826500  Chaenactis douglasii Unknown 1972-1 s.n. Placer French Meadows 1524 Comment
  UC1613939  Chaenactis douglasii var. douglasii Charles M. Belshaw 1935-6-8 1006 Placer between Colfax & Gold Run (near Baxter's Hotel); w. side Sierra Nevada Comment
  UC163942  Chaenactis douglasii var. douglasii W. B. Cooke 1910-6-22 2170 Placer Deer Park Sierra Nevada; Deer Park, Sierra Nevada, Placer Co. 1970 Comment
  UCR120251  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5040 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR189300  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 2007-7-27 12625 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  SEINET7379871 Image available Chaenactis douglasii var. douglasii H. A. Walker 1910-6-22 2170 Placer Deer Park, in the Sierra Nevada. 1970 Comment
  UC472232  Chaenactis douglasii var. douglasii Katharine Brandegee 1908-7-1 Placer summit above Lake Valley Comment
  UCR142916  Chaenactis glabriuscula var. heterocarpha C. L. Hitchcock 1940-5-15 6405 Placer Sierra Nevada Foothills, 6 miles north of Colfax 762 Comment
  CHSC75010  Chamaebatia foliolosa Sabbina M. Lau 1989-5-20 13 Placer 20 miles out of Auburn on Foresthill Rd. 1036 Comment
  UCD112933  Chamaebatia foliolosa G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12051 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UC103955  Chamaesaracha nana C. F. Sonne Aug 1897 Placer above Coldstream; Sierra Nevada Mountains Comment
  UC570790  Chamaesyce maculata H. L. Mason 1929-10-4 5451 Placer 1.5 mi above Auburn Comment
  CDA4783  Chamaesyce nutans T. C. Fuller 1964-9-1 12566 Placer Sierra Nevada; North side of Auburn Avenue at Castle Street, Colfax. Comment
  SBBG60190  Chamerion angustifolium unknown 1895-1 Placer American River Comment
  UC20111  Chamerion angustifolium subsp. circumvagum Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC70192  Cheilanthes gracillima John H. Thomas; Hazelle A. Thomas 1956-7-21 6224 Placer Sierra Nevada, Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SEINET3153752  Cheilanthes gracillima L. S. Rose 1940-5-29 40413 Placer 3 miles NE of Emigrant Gap 1676 Comment
  UCD69353  Cheilanthes gracillima S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  UCD75691  Chimaphila menziesii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5140 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CAS-BOT-BC451416  Chimaphila menziesii Ethel Hand; Harry Hand 1917-7-1 s.n. Placer Cisco Comment
  UCD57932  Chloris verticillata Beecher Crampton 1967-8-21 8177 Placer Interstate Hwy. 80 E, Cirby Way exit, 1.5 miles southeast Roseville. Comment
  UCR233238  Chlorogalum pomeridianum var. pomeridianum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17694 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  CDA16989  Chondrilla juncea G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16042 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCD130415  Chondrilla juncea John Thomas Howell 1966-7-29 42033 Placer 1 mile northeast of Loomis. Sierra Nevada, CA. 121 Comment
  UCR190691  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2007-9-14 12965 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 15 miles east of Foresthill 832 Comment
  CAS-BOT-BC279800  Chondrilla juncea John Thomas Howell 1966-7-29 42033 Placer 1 mile ne. of Loomis 121 Comment
  CAS-BOT-BC279802  Chondrilla juncea T. C. Fuller 1965-10-15 14209 Placer E. side of Interstate 80 to Auburn just s. of Penryn overpass, Penryn, Sierra Nevada 182 Comment
  CDA37888  Chondrilla juncea CDFA Staff 1971-1 s.n. Placer Newcastle. 0 Comment
  CDA7389  Chondrilla juncea T. C. Fuller 1965-10-15 14209 Placer Sierra Nevada; East side of Interstate 80 to Auburn just south of Penryn overpass, Penryn. Comment
  UCD21485  Chrysolepis sempervirens Rex Palmer 1979-5-26 N 20 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  SEINET8947268  Chrysolepis sempervirens O. Boring s.n. Placer Lake Tahoe Comment
  SEINET7450580 Image available Chrysopsis breweri J. Day, C Jacobs, J Sulman 2004-9-2 NV 030 -030 Placer Forest Road 3 at Barker Pass At Ellis Peak Trailhead 2382 Comment
  SEINET7883463 Image available Chrysothamnus nauseosus Lewis S. Rose 1938-1 38258 Placer South Fork of Yuba River, Cisco. Alt. 5300 ft. 1615 Comment
  CAS-BOT-BC190015  Cinna latifolia H. N. Bolander 1869-6-1 s.n. Placer Bear Valley (Emigrant Gap Site). Comment
  SACT000748  Cinna latifolia D. Meyer 1984-7-15 Placer 12.64 km from Serene Lakes Lodge moist roadside stream. 1909.0 Comment
  UCD59792  Cinna latifolia L. S. Smith 1915-8-15 s. n. Placer Deer Creek, Lake Tahoe, Squaw Valley. Comment
  POM32267  Circaea alpina subsp. pacifica Harriet Ann Walker 1908-7-27 1454 Placer Near to Iron Spring, Cisco. Comment
  CDA15679  Cirsium andersonii G. F. Hrusa, J. Glazner 1999-7-18 15229 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1920 Comment
  CDA1037  Cirsium andersonii Aurelio Posadas 1982-8-5 s.n. Placer Cold Creek, SW of Donner Lake, on Southern Pacific RR right-of-way. 0 Comment
  UCD43240  Cirsium occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 609 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC286266  Cirsium scariosum Lewis S. Rose 1944-7-26 44286 Placer Truckee River, 7 mi. n. of Lake Tahoe 1798 Comment
  CDA20204  Cirsium vulgare N. Macleod 2003-8-19 PDR 1417960 Placer Sierra Nevada; Carnelian Bay Rd and North Lake Blvd, Carnelian Bay. 0 Comment
  CAS-BOT-BC228893  Cistanthe umbellata Barry Hammel; Teddi Hammel 1976-5-27 232 Placer Ca. 1 mile on rd. off I-80 near mile post 170 1737 Comment
  CAS-BOT-BC163553  Clarkia arcuata C. L. Hitchcock 1940-5-15 6410 Placer 6 miles north of Colfax Comment
  RSA495975  Clarkia arcuata L. D. Gottlieb 1988-5-1 8805 Placer East of Colfax, on Iowa Hill Road, 2.3 miles east of junction with Canyon Road, or 0.7 mile west of bridge over North Fork American River; site is just beyond sign Auburn State Recreation Area Comment
  UCD104313  Clarkia biloba L. D. Gottlieb 1988-6-29 8837 Placer E of Colfax, on Iowa Hill Road, 1.6 miles E of Canyon Road. Comment
  LA205992  Clarkia biloba subsp. brandegeeae T. Mosquin; 1959-7-1 3325 B Placer 7.7 mi. from Foresthill on road to Colfax Comment
  UCD72508  Clarkia biloba subsp. brandegeeae Ellen Dean 2006-6-14 3145 Placer Above north fork of the American River, east of Foresthill Bridge, along Upper Lake Clementine Road nearing the bottom (river end) of the road. 308 Comment
  SD113934  Clarkia dudleyana Darley F. Howe 1948-5-23 1854 Placer American River 305 Comment
  UCSB4300  Clarkia purpurea subsp. quadrivulnera Constance, Lincoln 1941-5-28 Placer Two miles north of Lincoln; Sacramento Valley 60 Comment
  UCR218445  Clarkia purpurea subsp. viminea George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16424 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  UCR193402  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2007-5-30 12188 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  POM37811  Clarkia williamsonii Marcus E. Jones 1882-7-3 3341 Placer Colfax. Comment
  RSA755736  Claytonia exigua Barbara Ertter, David Thompson 1989-4-8 8174 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UC942754  Claytonia parviflora subsp. grandiflora Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4013 Placer s of Auburn (near bridge on Route 49); North Fork American River 213 Comment
  UCR235619  Claytonia parviflora subsp. grandiflora George K. Helmkamp, E. A. Helmkamp 2012-5-5 18919 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  RSA0042822  Claytonia parviflora subsp. parviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20476 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  CAS-BOT-BC443632  Claytonia perfoliata subsp. perfoliata John Thomas Howell; Gordon H. True 1972-3-17 7075 Placer Just south of Auburn Ravine, 1 1/2 miles west of Lincoln 48 Comment
  CAS-BOT-BC443630  Claytonia perfoliata subsp. perfoliata Catherine Best 1982-6-23 s.n. Placer Goose Meadow on Highway 89, about 5 miles south of Truckee. 1767 Comment
  CAS-BOT-BC443634  Claytonia perfoliata subsp. perfoliata Saichi Kawahara 1969-7-6 883 Placer Just north of cabin, Mel Henderson Ranch, east bank of Indian Creek. 999 Comment
  UC1136709  Claytonia rubra subsp. rubra N. French 1934-6-15 412 Placer Scott Hill; Tahoe National Forest, Colfax Quad. 1463 Comment
  UC147596  Claytonia rubra subsp. rubra Harriet A. Walker 1908-6-23 1247 Placer Blue Canyon Comment
  UC1551949  Collinsia parviflora Aaron Liston 1988-3-14 695 Placer 3.5 mi n of Auburn (Dry Creek Road); Dry Creek Road 450 Comment
  UCD162572  Collinsia parviflora Steve Matson 1998-6-23 236 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork at big pine meadow. 1920 Comment
  SEINET5796622 Image available Collinsia tinctoria Marcus E. Jones 1882-1 Placer Colfax; 39.10073 -120.953276 Comment
  UC2044602  Collinsia tinctoria George K. Helmkamp with Elizabeth Helmkamp 2013-6-11 20823 Placer Northern Sierra Nevada Mountains Foothills junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill. (Colfax 7.5' Q.) Comment
  POM42881  Collinsia torreyi Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  SEINET3480263  Collinsia torreyi L. S. Rose 1941-7-18 1918 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) 1900 Comment
  SEINET5796623 Image available Collinsia torreyi L. S. Rose 1941-1 41320 Placer Chambers Lodge (McKinney), Lake Tahoe; 39.073241 -120.1413 1900 Comment
  SCFS5093  Collinsia torreyi F. Felix, Erica Krimmel 2013-5-19 16 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  JEPS7270  Collinsia torreyi var. brevicarinata L. S. Smith 1925-6-23 1645 Placer Blackwood Canyon; Tahoe Forest 1981 Comment
  UCD21868  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 257 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC73059  Collomia grandiflora L. P. Janeway 1998-8-6 5973 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UC1518798  Collomia grandiflora Fay A. Macfadden 1934-6-28 12711 Placer Dutch Flat Comment
  SEINET8729294 Image available Collomia grandiflora Lewis S. Rose 1937-1 37611 Placer Tahoe Vista. 1905 Comment
  RSA0039072  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  RSA409231  Collomia heterophylla Fay A. MacFadden 1934-7-1 12724 Placer Canyon Creek - Dutch Flat. Comment
  SEINET2445705  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-18 12035 Placer Northern Sierra Nevada Mountains Foothills. Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles SE of Foresthill. (michigan Bluff 7.5' Q). 439 Comment
  RSA262365  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer ca. 100 yards east of junction of Spring Garden Road with Auburn-Foresthill Road (or 3.7 miles west of Foresthill) 762 Comment
  UC879773  Collomia linearis Lewis S. Rose 1937-7-29 37610 Placer meadows Tahoe Vista 1905 Comment
  JEPS127488  Convolvulus arvensis Steve Matson 2002-7-9 475 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, along dirt road east of Martis Creek. Comment
  UCD13352  Convolvulus arvensis M. Winthrop 1989-6-3 2 Placer Placer Co.;:Dry creek exit off 80. T 12N, R 8E, Sect. 16, SW 1/4. Elev. 1200 ft. 365 Comment
  UCD150752  Convolvulus arvensis James A. Neilson Jr. 1970-10-9 1908 Placer Tahoe Basin, Tahoe City. 1901 Comment
  UCD74070  Convolvulus arvensis Jennifer W. Burt 2005-7-14 147 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 2070 Comment
  UCD15607  Corallorhiza maculata Lisa Montany 1985-5-18 25 Placer Mosquito Ridge Rd, 18.6 miles west of Forest Hill Rd. Comment
  UCD22692  Corallorhiza maculata Teresa Do 1990-5-19 15 Placer Butterfly Valley. 1097 Comment
  POM9886  Corallorhiza maculata E. Keyes 1920-8-21 s.n. Placer Lake Tahoe, Mt. Ellis [=Ellis Peak?] Comment
  JEPS103943  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold run Comment
  JEPS88781  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold Run Comment
  SD237614  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2007-6-27 12629 Placer Sierra Nevada Mountains Foothills: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 (Cisco Grove 7.5'Q) 1744 Comment
  SEINET2441557  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5' Q.). 1662 Comment
  UC579566  Cordylanthus tenuis subsp. tenuis B. Bolt 1934-7-23 163 Placer nw Damascus (end of travelled road from Westville); Tahoe National Forest, Colfax Quadrangle, North Fork of Amer 1463 Comment
  UCD21874  Cordylanthus tenuis subsp. tenuis Rex Palmer 1979-7-13 N 665 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  UCR206591  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15203 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  RSA151613  Cordylanthus tenuis subsp. tenuis R. C. Bacigalupi, Lincoln Constance, E. Nasir 1953-9-8 4355 Placer 1 mile southeast of Dutch Flat (really between Dutch Flat and Alta). 1037 Comment
  UCD80050  Coreopsis stillmanii CNPS SN Foothill Team 2005-3-12 Survey Placer Auburn State Recreation Area. Comment
  UC1122775  Cornus nuttallii B. Bolt 1934-7-23 165 Placer end of Traveled Rd. from Westville (Plot #249); Tahoe Nat'l Forest, Colfax Quad. Comment
  CAS-BOT-BC212145  Cornus sericea Carl B. Wolf 1930-10-10 987 Placer 1 mile est of Cisco, Sierra Nevada 1828 Comment
  UCD126447  Cornus sericea Rebecca Niell 1999-7-7 99- 4 Placer near Truckee River, north of Taho City on Rt. 89, near turnoff to Alpine Meadows Ski area. 1880 Comment
  OBI39811  Cornus sericea subsp. occidentalis Joy H. Nishida 1985-7-10 773 Placer Homewood 1829 Comment
  JEPS126343  Cornus sericea subsp. sericea Steve Matson 1998-9-1 394 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt roas extension of North Ave. at junction with west fork of Snow Creek. Comment
  OBI20166  Cornus sericea subsp. sericea David J. Keil 1978-7-23 12931 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  CAS-BOT-BC210551  Cornus sessilis D. F. Howe 1948-5-22 45 Placer Unspecified 1219 Comment
  JEPS50178  Cornus sessilis Elizabeth Price 1932-4-10 Placer Dutch Flat Comment
  SD43764  Cornus sessilis Darley F. Howe 1948-5-22 1924 Placer 1220 Comment
  UCD72956  Corydalis caseana subsp. caseana Albert Grigarick 2008-6-17 15 Placer Vicinity of Cabin Creek Rd., west of Hwy. 89, SE of Donner Lake. Driving directions: Int. 80 east to Hwy. 89 south to Cabin Creek Rd.; rt. turn on paved road and continue to 1st left turn on dirt road; stay left for 0.6 mi.; first turn off to left after crossing Cabin Crk. 1908 Comment
  UC9955  Corydalis caseana subsp. caseana C. F. Sonne June 1887 Placer ravine on Truckee R. Truckee R. Comment
  CAS-BOT-BC287203  Cota tinctoria Beecher Crampton 1972-7-26 8853 Placer Carpenter Flat E of Emigrant Gap, above meadow and just downslope from a cabin 1615 Comment
  UC346584  Crepis modocensis L. S. Smith Sept. 1927 Placer 6 mi due w Tahoe City (on drainage of Whiskey Creek, w of Squaw Peak); Five Lakes Comment
  JEPS71825  Crepis occidentalis Gladys L. Smith 1972-6-20 3222 Placer steep exposed ridge from chairlift terminus to ultimate summit peak; Ward Peak 2632 Comment
  UCD162528  Crepis occidentalis subsp. pumila Steve Matson 2005-7-3 1351 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, east of Martis Creek. 1780 Comment
  POM17651  Crepis pleurocarpa Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCR219648  Croton setiger George K. Helmkamp, E. A. Helmkamp 2010-6-26 16370 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CDA15951  Cryptantha affinis G. F. Hrusa, J. Glazner 1999-7-17 15136 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS103425  Cryptantha affinis Lowell Ahart 2002-7-22 9880 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC78514 Image available Cryptantha affinis C. F. Sonne 1886-7-4 Placer Truckee River Sierra Nevada Mountains Comment
  RSA755334  Cryptantha flaccida George K. Helmkamp, E. Helmkamp 2009-4-22 14561 Placer Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UCR207860  Cryptantha flaccida George K. Helmkamp, E. A. Helmkamp 2009-4-22 14561 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  CAS-BOT-BC218774  Cryptantha humilis D. S. Smith 1928-6-27 2419 Placer Tahoe [National] Forest. Above Deer Park on ridge 2286 Comment
  UCD22124  Cryptantha simulans Rex Palmer 1979-6-21 N 381 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD69351  Cryptogramma acrostichoides S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 s.n. Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  CDA15656  Cymopterus terebinthinus var. californicus G. F. Hrusa, J. Glazner 1999-7-18 15191 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS111262  Cymopterus terebinthinus var. californicus Steve Matson 2005-7-16 1404 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  SACT000820  Cynodon dactylon Josephine Van Ess 1976-7-28 Placer Collected on Wallerga Road. Dry Creek. Streambank. 27.4 Comment
  SBBG115820  Cynodon dactylon B. Crampton 1965-9-13 7493 Placer Gold Run, Interstate 80 975 Comment
  UCD60083  Cynodon dactylon Beecher Crampton 1957-5-7 3996 Placer 2 miles northeast of Lincoln, Thermalands Road. Comment
  SEINET12568082  Cynoglossum grande B. M. Cunningham 1960-3-19 s.n. Placer Monte Viste Inn. on Hwy 40 detour. 1219 Comment
  JEPS99470  Cynoglossum occidentale Steve Matson 1998-8-21 380 Placer Tahoe Vista, 200 m SW of western terminus of North Ave. Tahoe Basin, Snow Creek watershed Comment
  UCR232622  Cynoglossum occidentale George K. Helmkamp, E. A. Helmkamp 2010-7-28 16636 Placer Northern Sierra Nevada Mountains, Forest Route 10 (Sugar Pine Rd.), 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34 deg. ) of Foresthill 1311 Comment
  SACT000854  Cynosurus echinatus D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  RSA92351  Cyperus niger var. capitatus Beecher Crampton 1952-11-9 922 Placer About 1.5 miles south of Meadow Vista, 6 miles east of Auburn Comment
  UCD141135  Cyperus rotundus F. E. Kayo 1932-4-1 s.n. Placer Penryn. Comment
  CDA12388  Cystopteris fragilis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8516 A Placer Lake Tahoe; in upper Ward Valley, 4 mi SW Tahoe City. Comment
  RSA692808  Cystopteris fragilis May N. Ackley 1924-06 32 Placer Bear Valley 1372 Comment
  POM113017  Dactylis glomerata Marcus E. Jones 1882-5-27 s.n. Placer Emigrant Gap [county not indicated on specimen label] Comment
  UCR173269  Dactylis glomerata George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10432 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UC718220  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer 1 mi. n. Lincoln; Sacramento Valley 45 Comment
  SACT000889  Danthonia californica D. Meyer 1984-7-15 Placer Moist mountain meadow. 1909.0 Comment
  UCD36707  Danthonia californica var. americana Beecher Crampton 1955-7-13 2990 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD60504  Danthonia californica var. americana Beecher Crampton 1964-7-21 7117 Placer 1/2 mile WNW of Cisco Grove, US Hwy. 40. 1706 Comment
  UCD60697  Danthonia californica var. americana Beecher Crampton 1956-7-17 3731 Placer 1.3 miles north of Blue Canyon. 1524 Comment
  UCD60962  Danthonia californica var. americana Beecher Crampton 1964-7-21 7118 Placer 1/2 mile WNW of Cisco Grove, U.S. Hwy. 40. 1706 Comment
  UCD22271  Dasiphora fruticosa Rex Palmer 1979-6-20 N 351 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR258210  Daucus carota George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20046 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  JEPS59471  Delphinium andersonii Ezra Brainerd and Viola B. Baird 1915-7-2 213 Placer Squaw Creek Sierra Nevada Mts. 1920 Comment
  UC188660  Delphinium glaucum C. F. Sonne 1886-8-15 a Placer canyon above Kneeland's Mill Comment
  UC188661  Delphinium glaucum C. F. Sonne 1886-8-15 b Placer canyon above Kneeland's Mill Comment
  CAS-BOT-BC8777  Delphinium gracilentum Carlton Elmer Purdy 1933-1-1 s.n. Placer Cisco Comment
  CAS-BOT-BC8778  Delphinium gracilentum f. versicolor Lowell Ahart 1962-7-14 s.n. Placer French Meadows 1676 Comment
  UCR218243  Delphinium hansenii subsp. hansenii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16428 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  UC118684  Delphinium nuttallianum C. F. Sonne 1897-7-4 Placer edges of meadows Sierra Nevada Mountains, Squaw Valley Comment
  UCD22186  Delphinium nuttallianum Rex Palmer 1979-6-9 N 177 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD96745  Delphinium variegatum M. Vincent 1965-4-16 645 Placer 4 miles south of Marysville. Comment
  SEINET5338168  Delphinium variegatum D. H. Erskine 1941-4-27 27 Placer 2 miles east of Roseville. 76 Comment
  UCD15609  Dendromecon rigida Lisa Montany 1985-5-18 28 Placer Mosquito Ridge Rd, 14.3 miles west of Forest Hill Rd. Comment
  CAS-BOT-BC192430  Deschampsia cespitosa subsp. cespitosa Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UCD21604  Deschampsia cespitosa subsp. cespitosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1269 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  CAS-BOT-BC198145  Deschampsia danthonioides L. R. Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  POM114869  Deschampsia danthonioides Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  SEINET10966581  Deschampsia danthonioides Lewis S. Rose 1946-6-23 Rose 46199 Placer Rainbow, n. of Cisco. 1737 Comment
  SACT000952  Deschampsia elongata D. Meyer 1983-8-7 Placer Near gate leading into ski area parking lot, moist meadow with many sedges. 207.0 Comment
  SACT000953  Deschampsia elongata D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000955  Deschampsia elongata D. Meyer 1983-10-22 Placer From the base of Searchlight chairlift to the base of Olympic Lady chairlift downhill ski lift area. 2121.0 Comment
  SACT000957  Deschampsia elongata D. Meyer 1984-8-12 Placer 11.2 km from French Meadows, very wet somewhat boggy and grazed wooded area. 1612.0 Comment
  UC1131467  Deschampsia elongata H. S. Yates 1936-8-9 5986 Placer 2 mi. s.w. Martis Peak; Truckee Quad. Comment
  UCD36665  Deschampsia elongata Beecher Crampton 1955-6-15 2898 Placer Placer County, Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  UCR206719  Deschampsia elongata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15206 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCD42923  Descurainia pinnata subsp. intermedia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 291 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43031  Descurainia pinnata subsp. intermedia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 400 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS111265  Dianthus armeria subsp. armeria Steve Matson 2005-9-11 1523 Placer Tahoe Basin, North Shore, Snow Creek Watershed, Kings Beach. Along Pine Nut Ave. 39.2471 N, 120.0388 W ; elevation 6360 ft. 1938 Comment
  UC112921  Dicentra formosa Katharine Brandegee 1908-6-5 Placer near Gold Run Comment
  UCD82716  Dicentra formosa Robin McMaster 1973-6-3 432 Placer Lake Spaulding. 1524 Comment
  UCD95498  Dicentra formosa Eric Brenner; John Hunter 1996-5-26 020 Placer Tahoe National Forest. Mosquito Ridge Road. 1080 Comment
  UCR208544  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14672 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UCR208609  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14664 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  JEPS81210  Dicentra formosa Douglas W. James Jr. 1973-5-27 129 Placer 15.8 mi from Forest Hill (off Mosquito Ridge Road) 1158 Comment
  CAS-BOT-BC402450  Dicentra formosa subsp. formosa Marcus E. Jones 1882-6-28 3302 Placer Emigrant Gap Comment
  CAS-BOT-BC402452  Dicentra formosa subsp. formosa A. A. Heller 1917-6-19 12732 Placer Emigrant Gap 1615 Comment
  SEINET238196 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1952-11-9 917 Placer 6 miles east of Auburn about 15 miles south of Meadow Vista. 457 Comment
  UCD166866  Dichelostemma capitatum Robert E. Preston 2016-3-31 3049 Placer Yankee Slough Preserve, 2.35 mi SSW of Sheridan. 34 Comment
  SEINET8472352  Dichelostemma capitatum subsp. capitatum R. Adamson, M. Martin 1964-3-21 s.n. Placer Along the American River, ca 4 miles S of Auburn. 457 Comment
  SEINET8472367  Dichelostemma capitatum subsp. capitatum Killinger 1962-3-17 s.n. Placer North Fork American River, 3 miles E of Auburn. 366 Comment
  SCFS5101  Dichelostemma capitatum subsp. pauciflorum F. Felix, Erica Krimmel 2013-5-19 4 Placer North Fork American River, 0.1 mile east of Heath Falls overlook, on trail Comment
  SD43598  Dichelostemma multiflorum Darley F. Howe 1948-5-23 1899 Placer No further locality information given on label. 456 Comment
  UC1133984  Dichelostemma multiflorum G. T. Nordstrom 1934-6-21 152 Placer 0.4 mi w by nw Mammoth Springs; Colfax Quad. 1706 Comment
  UCR195170  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12006 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UC203707  Dichelostemma volubile C. F. Sonne May 1891 Placer near Auburn Comment
  SBBG115821  Digitaria ischaemum B. Crampton 1965-9-13 7498 Placer Gold Run, Interstate 80 975 Comment
  UCD32978  Digitaria ischaemum Beecher Crampton 1965-9-13 7498 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  CAS-BOT-BC153787  Diplacus angustatus Alice Eastwood; John Thomas Howell 1937-5-8 4333 Placer Near Auburn on road to Grass Valley Comment
  CAS-BOT-BC153329  Diplacus layneae Emily K. Mcpherson 1976-9-19 76 - 28 - 9 Placer One mile east of Talbot Campground. Mid Fork of American River 1767 Comment
  SEINET14196696  Diplacus torreyi P. B. Kennedy, S. B. Doten 1901-8-18 414 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  SEINET3828565  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-1 18480 Placer Sacramento Valley/Sierra Nevada Foothills: along CA-193 (Lincon Newcastle Hwy). 2.0 miles east of East Street in Lincoln, near Stagecoach ln. (Gold Hill 7.5') 125 Comment
  CHSC78088  Dodecatheon alpinum Caleb E. Casey 1999-5-16 Placer Sugar Pine Reservoir, Forest Service road 26, elevation 3900 ft. 1188 Comment
  RSA305929  Dodecatheon hendersonii Fay A. MacFadden 1934-3-30 12422 Placer Dutch Flat. Comment
  UCD15166  Dodecatheon hendersonii Phyllis Adams 1982-4-20 10 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 396 Comment
  JEPS14260  Dodecatheon hendersonii Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-20 5626 Placer 1 mi above (e) Dutch Flat; above (e of) Dutch Flat 1066 Comment
  RSA518788  Dodecatheon hendersonii Barbara J. Ertter, David M. Thompson 1989-4-9 8184 Placer Spring Garden Rd 0.8 mi NE of Foreshill-Auburn rd., ca 4 air mi. W of Foresthill; roadside bank in conifer forest. 671 Comment
  SEINET8561789  Dodecatheon hendersonii J. Martin 1959-3-20 s.n. Placer 5 miles W of Colfax on Hwy 40, then 2 miles N on a secondary road, off E side of road. 366 Comment
  RSA18619  Downingia bicornuta C. B. Wolf 1937-6-11 8773 Placer Sacramento Valley, 1 mile north of Lincoln. 46 Comment
  UC149012  Downingia montana H. M. Hall 1910-7-3 8736 Placer near Emigrant Gap; Sierra Nevada Mountains 1645 Comment
  SD236255  Downingia ornatissima var. ornatissima G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13282 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan (Lincoln 7.5'Q) 36 Comment
  UCR206725  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2009-7-16 15192 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCD22270  Drymocallis glandulosa Beth Lowe Corbin 1982-8-3 187 Placer Onion Creek Campground. 1841 Comment
  LA29326  Drymocallis glandulosa var. reflexa Mary V. Hood; 1948-7-20 48- 27 k* Placer Sugar Bowl Lodge, Nordon Comment
  CAS-BOT-BC157898  Drymocallis lactea var. lactea Lewis S. Rose 1963-7-11 63212 Placer Tahoma, Lake Tahoe 1915 Comment
  CAS-BOT-BC157899  Drymocallis lactea var. lactea F. Almeda 1993-7-25 7306 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  UCR194955  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12039 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  UCD149382  Dulichium arundinaceum G. Ledyard Stebbins 1969-7-20 6946 Placer South of North Fork of the American River. Sailor Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  HSC26661  Dysphania botrys Thomas W. Nelson 1972-11-25 709 Placer Beside Del Oro Rd. near Roseville Comment
  SACT001038  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-7-8 Placer Collected .25 miles north of Roseville Waterworks. Moist ditch. Comment
  CHSC82701  Eleocharis bella Lowell Ahart 2002-7-22 9909 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  CAS-BOT-BC113377  Eleocharis engelmannii Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca. 3 mi S of French Meadows. 1600 Comment
  JEPS102553  Eleocharis engelmannii Lowell Ahart 2001-10-10 9352 Placer French Meadows Reservoir, ca 1/4 mile NE of the boat or trail access area on the NW side of the reservoir, ca 3/4 mile SW of the bridge across the Middle Fork of the American River, ca 1 3/4 miles SW of Ahart Camp, ca 22 miles (air) NE of Forest Hill. 1591 Comment
  UC1925817  Elodea nuttallii David Keil, Kathleen A. Keil 1999-7-17 28379 Placer Along N Fork of Cosumnes River at Lilltle Canyon Road ford Comment
  CAS-BOT-BC203870  Elymus X hansenii A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax 762 Comment
  UCD36123  Elymus X hansenii Beecher Crampton 1952-11-9 928 Placer Placer County, 6 miles east of Auburn, 1 mile south of Meadow Vista. 457 Comment
  SACT001061  Elymus caput-medusae D. Meyer 1983-7-16 Placer 1212.0 Comment
  UCR229454  Elymus cinereus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17898 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  CAS-BOT-BC227593  Elymus elymoides Saichi Kawahara 1969-7-19 1524 Placer South side of Highway 80, 1 mile west of Blue Canyon turnoff 1524 Comment
  UCD22216  Elymus elymoides Beth Lowe Corbin 1982-8-18 373 Placer 1 1/4 miles SW of The Cedars. NE facing slope, 10% incline. Common. Mostly sun. In rocky, fine, sandy granitic soil of open white fir forest. Perennial forming moderately large bunches. Awns purplish. 1813 Comment
  SACT001069  Elymus elymoides J. Sitts 1983-8-11 Placer Above tree line. Comment
  SEINET4134789  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax.; 0 762 Comment
  UC1132963  Elymus elymoides subsp. elymoides G. T. Nordstrom 1934-6-19 120 Placer 1/2 mi ne mouth of Monumental Creek; Tahoe National Forest, Colfax Quadrangle Comment
  UC70830  Elymus elymoides subsp. elymoides J. Burtt Davy Jun 25 1897-Jun 30 1897 3257 Placer near Truckee; Truckee River Basin Comment
  RSA129234  Elymus glaucus G. T. Nordstrom 1934-6-21 141 Placer 3/4 mile W. of Mammoth Springs; Colfax 1677 Comment
  SACT001082  Elymus glaucus D. Meyer 1984-8-17 Placer East of Colfax near Rollins Reservoir. 667.0 Comment
  SACT001094  Elymus glaucus D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  SACT001116  Elymus glaucus Michael Baad 1976-8-4 Placer Collected on the banks amoung rocks and in gravel beside creek. White fir forest with openings. 1975.0 Comment
  UC1131678  Elymus glaucus N. French 1933-6-5 71 Placer e Rocklin; Sacramento Quadrangle, N. Fork of American River Comment
  CAS-BOT-BC206792  Elymus glaucus subsp. glaucus Kate E. Phelps 1937-5-25 s.n. Placer Applegate Comment
  CAS-BOT-BC206794  Elymus glaucus subsp. glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  UCD21597  Elymus glaucus subsp. glaucus E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1261 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  CHSC73265  Elymus glaucus subsp. jepsonii L. P. Janeway 1998-8-6 5974 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SACT001087  Elymus glaucus subsp. jepsonii D. Meyer 1983-7-24 Placer North of Interstate 80, roadside. 909.0 Comment
  SACT001138  Elymus glaucus subsp. jepsonii D. Meyer 1984-6-23 Placer Along Placer County-Nevada County line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  UCD62418  Elymus multisetus Beecher Crampton 1955-7-13 3004 Placer Along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCD62596  Elymus sierrae A. A. Heller 1917-8-13 12919 Placer Ridge northwest of Donner Pass. 2377 Comment
  UCD62601  Elymus stebbinsii subsp. septentrionalis G. L. Stebbins Jr. 1952-6-22 5102 Placer Along southeast bank of American River, 1 1/2 miles northeast of bridge on Colfax-Iowa Hill Road. 365 Comment
  UCD62603  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2895 Placer Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  CHSC68068  Elymus trachycaulus subsp. subsecundus James D. Jokerst 1986-7-12 2687 Placer Trial from The Cedars, high Sierra Nevada SW of Donner Lake, on N side of river. Comment
  CDA15672  Elytrigia intermedia subsp. intermedia G. F. Hrusa, J. Glazner 1999-7-18 15219 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC226650  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12079 Placer Northern Siera Nevada Mountains Foothills: junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  CHSC9526  Epilobium brachycarpum J. F. Goodwin 1971-7-11 166 Placer 20 ft. south of Hwy. 267 in meadow, 7.3 mi. east of Truckee. 2103 Comment
  UCR232689  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2011-9-30 18344 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  UC1035660  Epilobium canum subsp. latifolium Marian M. Enzler 1939-9-26 2 Placer on Hwy 49 4 mi from Auburn (Placer-El Dorado Co. line); Junction of North and Middle Forks of American River 198 Comment
  UCD150712  Epilobium canum subsp. latifolium James A. Neilson Jr. 1970-8-5 1745 Placer Tahoe Basin, South Ward Valley, north side. 2286 Comment
  SBBG60114  Epilobium canum subsp. latifolium Milo H. Gates 1879-1 Placer American River Comment
  UCD44687  Epilobium ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2053 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD75764  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5236 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  UCD37360  Epilobium ciliatum subsp. ciliatum Beecher Crampton 1959-7-23 5425 Placer 6 miles north of Folsom, in vicinity of Stallman Corners. Comment
  CDA25021  Epilobium densiflorum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Moist area betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS127508  Epilobium glaberrimum subsp. fastigiatum Steve Matson 2002-8-4 663 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south side of Highway 267, south of Martis Creek, southern limit of Wildlife Area close to fence line. Comment
  UCD44006  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1372 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD106511  Epilobium minutum Frederica Bowcutt 1994-7-22 1949 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  UCD21994  Epilobium obcordatum Beth Lowe Corbin 1982-8-4 243 Placer 1 1/2 miles north of Onion Creek campground. Flowers purple magenta. Stems purplish at base. Plant forming a mist over rocky, fine, sandy, granitic soil. Edge of loose talus slope, open White Fir forest. Mostly sun. East facing slope, 50% incline. Uncommon, 2 large mats present. 2255 Comment
  UCD22091  Epilobium obcordatum Rex Palmer 1979-7-25 N 671 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS127411  Epilobium oregonense Steve Matson 2002-7-2 550 Placer Tahoe North Shore, Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek. Comment
  UCD150581  Epilobium torreyi James A. Neilson Jr. 1970-8-5 1753 Placer Tahoe Basin, North Ward Valley, section 17. 2194 Comment
  UCSC003236  Equisetum hyemale subsp. affine Randall Morgan 2005-5-30 s.n. Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista Comment
  JEPS52485  Eremocarpus setiger W. L. Jepson 1924-7-18 10601 Placer near Lincoln Comment
  CAS-BOT-BC481927  Eremogone aculeata John H. Thomas; Hazelle A. Thomas 1956-7-21 6108 Placer Sierra Nevada, vicinity of Donner Pass, about 80 mi NE of Sacramento 2377 Comment
  UCD98127  Eremogone congesta var. suffrutescens G. L. Stebbins Jr. 1970-7-19 7069 Placer along ridge southwest of Duncan Peak Lookout. 2011 Comment
  JEPS126377  Eremogone kingii var. glabrescens Steve Matson 2004-8-1 1077 Placer Tahoe Basin west shore; Blackwood Canyon; 1/2 mile SE of Barker Pass. Comment
  UCD22165  Eremogone kingii var. glabrescens Rex Palmer 1979-6-9 N 158 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  JEPS71601  Ericameria bloomeri Gladys L. Smith 1972-8-25 3421 Placer Granite Chief Comment
  UC87230  Ericameria bloomeri K. Brandegee 1885-8-1 Placer Donner Comment
  CAS-BOT-BC293278  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer Ridge northwest of Donner Pass 2377 Comment
  CAS-BOT-BC293279  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer Ridge northwest of Donner Pass 2377 Comment
  JEPS20180  Ericameria suffruticosa C. F. Sonne 1888-8-12 144 Placer Tinker's Knob Sierra Nevada Mountains, Tinker's Knob Comment
  CAS-BOT-BC293370  Erigeron Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  POM35850  Erigeron barbellulatus Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  UC197372  Erigeron barbellulatus C. F. Sonne 1886-7-18 Placer Head of Canon on Truckee River Truckee River, Head of Canon Comment
  CAS-BOT-BC294522  Erigeron breweri var. breweri Alice Eastwood 1909-1-1 100 Placer Lake Tahoe Region. Sunnyside Comment
  JEPS71581  Erigeron compositus Gladys L. Smith 1972-6-20 3215 Placer open plateau about terminus of summit chairlift; Ward Peak 2621 Comment
  CAS-BOT-BC296767  Erigeron coulteri John Thomas Howell 1943-7-21 18635 Placer Donner Pass to Mt. Lincoln Comment
  UC1505802  Erigeron coulteri Robert T. Clausen and Harold Trapido 1940-7-13 4891 Placer 2 mi w Lake Tahoe (along Ward Creek); Pacific Slope, Lake Tahoe Basin, Ward Creek 1905 Comment
  UCD43895  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1261 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC148948  Erigeron coulteri H. M. Hall 1910-6-25 8723 Placer opposite Cisco (Rattlesnake Creek); Rattlesnake Creek 1828 Comment
  CAS-BOT-BC300666  Erigeron foliosus var. hartwegii Mary E. Jump 1939-5-15 s.n. Placer Road to Foresthills Comment
  CAS-BOT-BC300826  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  UC1118188  Erigeron glacialis var. glacialis B. Bolt 1934-7-16 115 Placer 0.5 mi s of Lost Emigrant Mine; Tahoe National Forest, Truckee Quadrangle 2072 Comment
  UC148937  Erigeron glacialis var. glacialis H. M. Hall 1910-7-11 8754 Placer near Cisco Comment
  UC202224  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  CAS-BOT-BC295207  Erigeron inornatus John Thomas Howell 1943-7-25 18811 Placer West side of Donner Pass near Norden 2133 Comment
  UCD83593  Erigeron inornatus Albert Grigarick 2009-8-7 162 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2061 Comment
  UCR177238  Erigeron inornatus George K. Helmkamp, E. A. Helmkamp 2005-10-1 9980 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  JEPS126420  Erigeron inornatus var. inornatus Steve Matson 1998-8-15 371 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  UC1950986  Erigeron inornatus var. inornatus G. K. Helmkamp, E. A. Helmkamp 2005-10-1 9980 Placer Northern Sierra Nevada Mtns.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca 2.2 mi W of CA Highway 89 and just S of Alpine Meadows Road) Tahoe City 7.5' Quad Comment
  CDA15677  Erigeron peregrinus G. F. Hrusa, J. Glazner 1999-7-18 15227 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CDA4643  Erigeron philadelphicus Andrew White 1930-4-16 Placer Near Loomis. 0 Comment
  UCR208556  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14671 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  CAS-BOT-BC255404  Eriogonum Saichi Kawahara 1969-7-6 1473 Placer Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest 1139 Comment
  UC480709  Eriogonum incanum W. C. Blasdale 1923-7-13 Placer top of Ellis Peak Lake Tahoe Region, Ellis Peak Comment
  CAS-BOT-BC259350  Eriogonum lobbii John Thomas Howell 1943-7-26 18844 Placer Mt. Lincoln Comment
  CAS-BOT-BC259352  Eriogonum lobbii A. A. Heller 1917-8-14 12923 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  CDA16814  Eriogonum lobbii G. F. Hrusa, J. Glazner 2001-7-15 15953 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  UC615468  Eriogonum luteolum var. pedunculatum Beryl O. Schreiber 1932-9-11 760 Placer near Colfax Comment
  CAS-BOT-BC263292  Eriogonum marifolium var. marifolium Arnold Tiehm 1974-8-8 523 Placer South of Murphy's Meadow 2407 Comment
  POM165488  Eriogonum nudum var. deductum George B. Grant 1906-7-15 6935 Placer Lake Tahoe. Comment
  UCR231841  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16788 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  RSA714092  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9993 Placer Northern Sierra Nevada Mts.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca. 2.2 miles west of CA Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR231835  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16786 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  UCR218124  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2010-6-26 16393 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR240964  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2012-9-25 19916 Placer Northern Sierra Nevada Mountains, junction of Nyack Road and I-80 in the Emigrant Gap area 1652 Comment
  JEPS74203  Eriogonum ovalifolium var. nivale Gladys L. Smith 1972-6-20 3201 Placer plateau about terminus of Summit chairlift, Ward Peak Ward Peak 2621 Comment
  SEINET3388560 Image available Eriogonum ovalifolium var. ovalifolium Marcus E. Jones 1897-5-23 Placer Watson Summit Comment
  UCD21941  Eriogonum spergulinum Beth Lowe Corbin 1982-8-17 354 Placer 2 1/2 miles WSW of The Cedars. Along logging road in brushy, White Fir forest. Calyx white with brown midribs. Full sun. NW facing slope, 25% incline. Locally common. 1920 Comment
  UCD22138  Eriogonum spergulinum Rex Palmer 1979-7-26 N 834 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC269935  Eriogonum spergulinum var. reddingianum Peter Rubtzoff; Edward W. Colson 1976-7-7 8736 Placer Lake Van Norden 2063 Comment
  CAS-BOT-BC267490  Eriogonum umbellatum Frances Price 1919-1-1 s.n. Placer Tahoe Comment
  UCD21943  Eriogonum umbellatum Beth Lowe Corbin 1982-8-4 240 Placer 1 1/2 miles NNW of Onion Creek campground. In rocky, fine, sandy soil. Talus slope. Flowers sulfur yellow with red lines on outside. Forming a loose mat at location. Full sun. East facing slope, 50% incline. Uncommon. 2286 Comment
  CDA25004  Eriogonum umbellatum var. nevadense J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  CHSC79800  Eriogonum umbellatum var. nevadense G. F. Hrusa; J. Glazner 1999-7-18 15236 Placer Betw. Squaw Cr, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1889 Comment
  JEPS72780  Eriogonum umbellatum var. nevadense Gladys L. Smith 1972-6-20 3200 Placer about terminus of summit chairlift, Ward Peak Ward Peak 2621 Comment
  UC1032140  Eriogonum umbellatum var. nevadense R. C. Wilson 1934-9-19 74 Placer Squaw Creek Tahoe National Forest, Truckee Quadrangle, Squaw Creek Comment
  SD22254  Eriogonum ursinum Marcus E. Jones June 1882 Placer Emigrant Gap Comment
  UC66982  Eriogonum ursinum P. B. Kennedy and S. B. Doten 1901-8-6 236 Placer Summit Soda Springs Comment
  JEPS56203  Eriogonum ursinum Leland S. Smith 1914-8-11 Placer near Loch Leven (5 mi n of Cisco) 2133 Comment
  UCR242366  Eriogonum ursinum var. ursinum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16668 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  JEPS126270  Eriogonum wrightii subsp. subscaposum Steve Matson 2003-9-19 964 Placer nSNH; Tahoe Basin; west shore, Blackwood Canyon; about 1.4 miles ESE of Barker Pass. Comment
  CAS-BOT-BC261916  Eriogonum wrightii var. subscaposum Henry M. Pollard 1936-7-1 s.n. Placer Rainbow Tavern, Donner region 1828 Comment
  RSA423165  Eriogonum wrightii var. subscaposum Alice Eastwood 1934-8-10 12857 Placer Cisco. Comment
  UCD21940  Eriogonum wrightii var. subscaposum Beth Lowe Corbin 1982-8-24 411 Placer 2 miles south of The Cedars. In fine, sandy, rocky soil. Open talus slope of ridgetop in Red Fir forest. Calyx white with red midribs. Perennial forming moderate sized mats. Full sun. North facing slope, 20% incline. Ocassional. 2133 Comment
  UCR170828  Eriogonum wrightii var. subscaposum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9935 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  UCD159461  Eriophyllum lanatum D. S. Park 2010-8-11 215 Placer Along Old Auburn Forest Rd. Common. 344 Comment
  UCD13357  Eriophyllum lanatum var. croceum Anne Marie Weyandt 1989-5-20 23 Placer near road cut. 914 Comment
  UC147601  Eriophyllum lanatum var. grandiflorum Harriet A. Walker 1908-6-24 1279 Placer Blue Canyon 1432 Comment
  UC194928  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer near Rocklin; east side Sacramento Valley 121 Comment
  UC220208  Eriophyllum lanatum var. grandiflorum Katharine Brandegee 1908-7-1 Placer Auburn Comment
  UC31785  Eriophyllum lanatum var. grandiflorum C. F. Sonne 1891-5-17 17 Placer below Auburn; Sierra Nevada Mountains Comment
  CDA12398  Eriophyllum lanatum var. integrifolium G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8526 a Placer Lake Tahoe; Peak at W end of N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC128207  Eriophyllum lanatum var. integrifolium Miss Harriet A. Walker 1908-7-26 1450 Placer Cisco; near type locality of Bahia cuneata 1810 Comment
  UC148939  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-4 8744 Placer Cisco Sierra Nevada Mountains (s of Snowsheds, near type-locality of Bahia cuneata) 1828 Comment
  UCD132224  Eriophyllum lanatum var. integrifolium G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12631 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  SD102837  Erysimum capitatum Darley Howe 1978-7-14 Placer Along state highway 20, ca. 29 miles west of Truckee 1645 Comment
  SEINET5784017 Image available Erysimum capitatum Marcus E. Jones 1882-1 2620 Placer Emigrant Gap Comment
  CAS-BOT-BC55097  Erysimum perenne Alice Eastwood 1909-8-1 69 Placer Lake Tahoe Region. Sunnyside. Comment
  CAS-BOT-BC55100  Erysimum perenne John H. Thomas; Hazelle A. Thomas 1956-7-21 6120 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UC1034890  Erysimum perenne G. B. and R. P. Rossbach 1938-7-23 896 Placer s side of pass just w Donner Lake; Donner Pass 2225 Comment
  UCD75963  Erysimum perenne Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5230 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Along undeveloped road downslope of off-road vehicle parking area/turnabout. 2194 Comment
  CHSC79830  Erythranthe breweri G. F. Hrusa; J. Glazner 1999-7-8 15225 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434 N, 07418 E. 1905 Comment
  SD234525  Erythranthe guttata G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12183 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River. 800 Comment
  SEINET208781 Image available Erythranthe lewisii Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-1 2135 Placer Tahoe National Forest ; 3.3 miles northwest of Highway junction Calif. 89 and 28 at Tahoe City; on Calif. 89; 3.2 miles west of Calif. Highway 8. 2073 Comment
  SCFS1218  Erythranthe moschata E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top of meadow. Comment
  UC1585966  Erythronium multiscapideum Barbara Ertter with David Thompson 1989-4-8 8170 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing, near rivulet at base of n-facing slope at edge of forest) 518 Comment
  UC3614  Erythronium multiscapideum H. N. Bolander 1865-4-11 4527 Placer shady hillsides Auburn Comment
  UC197230  Erythronium multiscapideum C. F. Sonne 1891-4-5 Placer hillside below Bloomer cut; Auburn Comment
  SEINET10966321  Erythronium purpurascens A. Arthur Heller 1917-6-17 Heller 12685 Placer Moist soil about rocks near the Yuba River below Cisco, 5500 feet, the trees Pinus jeffreyi, incense cedar and white fir. Ceanothus cordulatus and Quercus vaccinifolia are the common shrubs, the rocks granite. 1675 Comment
  SD248465  Eschscholzia caespitosa George K. Helmkamp, Elizabeth A. Helmkamp 2007-3-25 11709 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its juncton with CA-49 at the bridge of the junction of American River forks (Auburn 7.5'Q) 287 Comment
  UCR218127  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2010-6-26 16402 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UC142937  Eschscholzia caespitosa Katharine Brandegee 1909-4-28 Placer near Auburn (along the river grade) Comment
  SD113755  Eschscholzia californica Darley F. Howe 1948-5-22 1818 Placer 671 Comment
  SEINET5339915  Eschscholzia californica L. Smith 1979-3-30 s.n. Placer 1 1/2 miles NE on Sisley Rd. off of Taylor Rd. in Penryn CA. Comment
  CAS-BOT-BC419537  Eschscholzia lobbii Gordon H. True 1971-4-9 6460 Placer Northern limits of Lincoln 48 Comment
  UC50565  Eschscholzia lobbii Mrs. Ames 1880-1 Placer Auburn Comment
  CAS-BOT-BC310366  Eucephalus breweri L. S. Smith 1927-8-5 2155 Placer Tahoe National Forest. Robertson Flat, Forest Hill Dist. Comment
  CAS-BOT-BC310378  Eucephalus breweri John H. Thomas; Hazelle A. Thomas 1956-7-21 6119 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD21706  Eucephalus breweri Rex Palmer Date Unknown N 891 Placer Placer County Comment
  SD113557  Euphorbia ocellata Darley F. Howe 1960-9-18 2972 Placer 2 miles north of Auburn 519 Comment
  UCD166848  Euphorbia ocellata subsp. ocellata Robert E. Preston 2016-9-6 3070 Placer Yankee Slough Wetland Preserve, 2.4 mi SE of Sheridan. 37 Comment
  CAS-BOT-BC312161  Eurybia integrifolia C. F. Sonne 1885-8-19 149 Placer Truckee Comment
  UCD21697  Eurybia integrifolia Beth Lowe Corbin 1982-8-23 405 Placer 2 miles WSW of The Cedars. In fine, sandy, rocky soil. Open, logged White Fir forest. Rays purple, disc yellow. Mostly sun. North facing slope, 40% incline. Occasional. 1981 Comment
  JEPS31884  Eurybia integrifolia Rowena Beans 1914-9-7 Placer 6 mi from Tahoe Tavern Comment
  JEPS126298  Eurybia radulina Steve Matson 1998-7-1 176 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  SACT002492  Festuca confusa Josephine Van Ess 1976-4-3 Placer Collected near small vernal pool near Highway 65. Edge of vernal pool. Comment
  SACT002493  Festuca megalura Josephine Van Ess 1976-4-14 Placer Sunny roadside slope 91.5 Comment
  SACT002495  Festuca megalura Josephine Van Ess 1977-3-26 Placer Collected north of Penryn where road is near the railroad tracks. Moist roadside. 152.4 Comment
  CHSC112167  Festuca occidentalis Dean Wm. Taylor 2013-6-19 21371 Placer Ralston Ridge (ca 15 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down from (North of) Forest Road 25 along the ridgecrest. 1482 Comment
  SACT001169  Festuca occidentalis Michael Baad 1983-7-10 Placer Collected along road to Hellistor Point, open sugar pine forest. 1606.0 Comment
  UCD37227  Festuca occidentalis Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SACT001182  Festuca pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City Shopping Center near lake shore. 1891.0 Comment
  SACT001194  Festuca rubra D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT001218  Festuca rubra D. Meyer 1984-7-21 Placer on road near golf course. 2000.0 Comment
  UC1132003  Festuca rubra H. S. Yates 1936-8-9 5985 Placer 2 mi sw Martis Pk.; Truckee Quad. 2286 Comment
  UCD36661  Festuca subulata Beecher Crampton 1955-6-15 2892 Placer 2.5 miles north of Yankee Jims, at junction of Iowa Hill and Forest Hill Road. 609 Comment
  UCD44646  Festuca viridula C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2012 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR194963  Filago gallica George K. Helmkamp, E. A. Helmkamp 2007-5-18 12026 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  SBBG27370  Fragaria vesca C. L. Htchcock 1940-5-7 6318 Placer ca. 1 mi W of Baxter Comment
  CAS-BOT-BC53543  Frangula californica subsp. tomentella Doris K. Kildale 1928-8-23 6644 Placer near Colfax Comment
  SEINET11243895  Frangula californica subsp. tomentella W. D. Billings 1939-3-19 1191 Placer Roadside 2 miles north of Auburn. Comment
  UCD13339  Frangula californica subsp. tomentella Kristy S. Howard 1989-6-3 250 Placer Placer Co.; Dry creek rd. T12N, R8E, Sect. 16, SW 1/4. Elev. 1200 ft. 365 Comment
  UCD113124  Frangula rubra Beecher Crampton 1975-10-14 9323 Placer Blue Canyon airport area. 1524 Comment
  CAS-BOT-BC55701  Frangula rubra subsp. obtusissima A. A. Heller 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  RSA21255  Fritillaria agrestis Carl B. Wolf 1937-3-30 8369 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  UCD23225  Fritillaria atropurpurea Rex Palmer 1979-6-9 N 132 Placer Headwaters basin area of the North Fork of the American River. Mt. Lincoln. Comment
  RSA0039077  Galium aparine George K. Helmkamp, Mary Alice Barnes 2013-5-3 20466 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCD121694  Galium aparine G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12064 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 Comment
  POM67604  Galium bifolium Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UC28217  Galium grayanum var. grayanum Kellogg 1870-1-1 Placer near Cisco Comment
  CDA37047  Galium parisiense CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  JEPS26650  Galium sparsiflorum Lauramay T. Dempster 1961-6-14 1443 Placer s-facing slope above Baxter 1188 Comment
  UCR249595  Galium triflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20816 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CAS-BOT-BC178547  Garrya flavescens C. Hart Merriam 1911-11-5 s.n. Placer Gorge Station C.P.R.R., west slope Sierra Nevada 1219 Comment
  SACT001221  Gastridium ventricosum Josephine Van Ess 1978-7-17 Placer Collected on open hillside near old small resvervoir east of big pond about 1 mile east of the east end of Annabelle Ave. open grassy area. 103.0 Comment
  SACT001229  Gastridium ventricosum Michael Baad 1983-7-15 Placer 1.8 miles east of junction with road to Brushy Springs Station. Open rocky slopes. 1524.0 Comment
  SACT001236  Gastridium ventricosum Michael Baad 1977-6-8 Placer 3.7 miles east of canyon on Forest Hill to French Meadows Road. Slate outcrop. Comment
  CAS-BOT-BC56268  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods; Tahoe National Forest, ca. 20 miles NE of Foresthill; Greek Store. 7 1/2 min. Comment
  CDA14330  Gaultheria ovatifolia G. F. Hrusa 1993-11-3 11470 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  SEINET7269913  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods, ca. 20 miles NW of Foresthill Comment
  POM294351  Gayophytum Lyman Benson 1947-8-12 12795 Placer Near Emigrant Gap, Sierra Nevada mountain range, American River drainage area 1220 Comment
  UCR241723  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19921 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  RSA144917  Gayophytum diffusum subsp. parviflorum John H. Thomas, Hazelle A. Thomas 1956-7-21 6114 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2134 Comment
  RSA750433  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14013 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  SD237536  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp, Amy Barnes 2009-7-12 15183 Placer Sierra Nevada Mountains Foothills: along Forestill Road 10.3 miles northeast of the town of Foresthill. 1370 Comment
  UCD22095  Gayophytum diffusum subsp. parviflorum Rex Palmer 1979-6-19 N 235 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR171343  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9988 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR176260  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2006-8-11 11215 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCR189299  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12626 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCR207113  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15216 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  UCR215981  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, Amy Barnes 2009-7-12 15183 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UC570311  Gayophytum heterozygum N. French 1934-6-22 454 Placer 1/2 mi w Lake Norden; Truckee Quadrangle 2286 Comment
  UCR257633  Gayophytum heterozygum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19531 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  CAS-BOT-BC488336  Gayophytum humile James A. Neilson, Jr. 1970-8-28 1865 Placer Tahoe Basin, Paige Meadow 2072 Comment
  UCD150708  Gayophytum humile James A. Neilson Jr. 1970-8-28 1865 Placer Tahoe Basin, Paige Meadow. 2072 Comment
  SD3703  Gentiana calycosa C. F. Sonne Sept. 1892 Placer Sierre Nevada Mts. [Above] Donner Lakes Comment
  SEINET12282057  Gentiana simplex C. F. Sonne 1885-1 s.n. Placer Meadows Trucker River Comment
  SEINET8588377  Gentianopsis simplex P. A. Lehenbauer 1929-8-15 2603 Placer Watson Lake, 4 miles N of Tahoe City. Comment
  CDA36896  Geranium dissectum CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  SD43657  Geranium dissectum Darley F. Howe 1948-5-21 1912 Placer 456 Comment
  SEINET5744366 Image available Geranium dissectum Allen Fone 1975-1 s.n. Placer 5 miles W of Foresthill on Auburn-Foresthill Road.; Foresthill 914 Comment
  UCR224862  Geranium molle George K. Helmkamp, E. A. Helmkamp 2010-4-23 15910 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  RSA531311  Geum canescens Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4544 Placer Squaw Valley beyond upper cable car station. on SW slope below a rocky summit. Comment
  CAS-BOT-BC459366  Geum macrophyllum Grant 1906-7-15 7022 Placer Tahoe Tavern, Lake Tahoe Comment
  CHSC83145  Gilia capitata Renee Shahrok 1986-6-24 16 Placer Junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  UC147605  Gilia capitata subsp. mediomontana Harriet A. Walker 1908-6-27 1325 Placer Blue Canyon 1432 Comment
  RSA0107826  Gilia capitata subsp. pedemontana George K. Helmkamp, Amy Barnes 2014-4-23 22787 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River. 290 Comment
  UCR146919  Gilia leptalea Beecher Crampton 1961-9-27 6003 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  UCR207898  Gilia tricolor subsp. diffusa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14582 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  UC1585900  Gilia tricolor subsp. tricolor Barbara Ertter with David Thompson 1989-4-8 8156 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  CHSC91619  Githopsis specularioides M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 255 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. On slopes above road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  CHSC97767  Glinus lotoides Lowell Ahart 2007-11-13 14594 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  JEPS103556  Glyceria borealis Lowell Ahart 2002-7-22 9907 Placer In a small lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  UCD66747  Glyceria borealis August L. Hormay 1932-7-8 Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  SACT001254  Glyceria elata D. Meyer 1984-7-21 Placer 7.5 km from Placer County line, moist shaded streambed. 9 miles from road. 1758.0 Comment
  SACT001262  Glyceria elata Michael Baad 1983-6-26 Placer On road to Michigan Bluff. Roadwaters of Volcano Creek. 1005.0 Comment
  UCD44578  Glyceria elata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1944 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD96981  Glyceria elata Chuck Hughes 2010-7-13 242 Placer Truckee River near northwest corner of intersection of Alpine Meadows Road and Highway 89. 1887 Comment
  POM112751  Glyceria striata Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCR259869  Gnaphalium luteoalbum George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22467 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  CAS-BOT-BC307365  Gnaphalium palustre John H. Thomas; Hazelle A. Thomas 1956-7-21 6165 Placer Vicinity of Donner Pass about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  CAS-BOT-BC307372  Gnaphalium palustre John Thomas Howell 1943-7-19 18583 Placer Summit Valley Comment
  CHSC74206  Gnaphalium palustre Susie Urie; Eric Schroder 1998-9-8 98 -297 Placer Lake Tahoe Basin--National Forest. Meadow complex on the north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  JEPS102474  Gnaphalium palustre Lowell Ahart 2001-10-10 9340 Placer French Meadows Reservoir, near the boat of trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  UC581141  Gnaphalium palustre H. L. Mason 1932-9-9 77175 Placer Cisco Comment
  UCD22066  Goodyera oblongifolia Beth Lowe Corbin 1982-8-20 400 Placer 1/2 mile west of Onion Creek Campground. 1950 Comment
  CAS-BOT-BC110216  Grayia spinosa L. S. Smith 1926-4-21 1785 Placer Tahoe Forest. Spanish Springs Rnage Nev. 1524 Comment
  UCR240896  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2012-6-19 19209 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  UCD159475  Grindelia squarrosa var. serrulata D. S. Park 2010-8-21 229 -1 Placer Corner of Donner Pass Rd. and Hampshire Rocks Rd. All around ramp into highway I-80. Disturbed. Near roadsigns. Abundant. 1788 Comment
  UC24782  Hackelia micrantha J. Burtt Davy Jun 25 1897-Jun 30 1897 3244 Placer near Tahoe; Truckee River Basin Comment
  RSA235889  Hackelia micrantha J. L. Gentry Jr., Earl Jensen Jr. 1968-7-11 2131 Placer Alpine Meadows, 3.3 miles northwest of Hwy. jct. Calif. 89 & 28 at Tahoe City on Calif. 89, 3.2 miles west of Calif. 89. 2073 Comment
  UC480745  Hackelia nervosa W. C. Blasdale 1923-7-13 Placer top of Ellis Peak; Lake Tahoe Region Comment
  UC710452  Hackelia nervosa Lewis S. Rose 1944-7-10 44054 Placer Chambers Lodge Lake Tahoe 1920 Comment
  JEPS55578  Hackelia velutina W. L. Jepson 1918-7-30 7727 Placer near Tahoe City; Lake Tahoe Comment
  UCD22142  Hackelia velutina Beth Lowe Corbin 1982-8-4 226 Placer 1/4 mile NW of Onion Creek Campground. 1950 Comment
  JEPS35433  Helenium puberulum W. H. Shockley 1886-6-1 Placer Auburn Comment
  SD112703  Helianthella californica var. nevadensis Darley F. Howe 1948-5-23 1852 Placer American River 305 Comment
  JEPS14349  Helianthus bolanderi Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Howard Stutz, Alex D. Hawkes, Juan Hunziker, 1952-7-20 3883 Placer 7 mi e Iowa Hill 1158 Comment
  CAS-BOT-BC314977  Hemizonella minima Alice Eastwood 1912-6-15 380 Placer Deer Park, Lake Tahoe Region Comment
  SEINET3147513  Hemizonella minima L. S. Rose 1940-5-29 40411 Placer 3 mi NE of Emigrant Gap 1676 Comment
  UCD21780  Hemizonella minima Rex Palmer 1979-6-19 N 216 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA38360  Heracleum lanatum T. C. Fuller 1973-8-23 19979 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  UCD43017  Heracleum maximum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 386 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  POM76447  Hesperochiron californicus C. C. Hall 1910-7-8 147 Placer Placer County: S fork of Yuba Canyon, 17km E of Cisco, in the Canadian zone. 1920 Comment
  SEINET5499721  Hesperochiron californicus C. Hall 1910-7-8 8747 Placer South fork of Yuba Canyon, about 17 km east of Cisco, in the Canadian Zone 1920 Comment
  UC163960  Hesperochiron californicus Mrs. Carlotta C. Hall 1910-7-8 8747 Placer ca. 17 km. e. Cisco (S. Fork Yuba Canyon); S. Fork Yuba Canyon 1920 Comment
  UC193926  Hesperochiron pumilus C. F. Sonne 1887-7-11 Placer woods on Truckee R., on Pole Creek Truckee R., Pole Creek Comment
  UCR218219  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2010-6-26 16418 Placer Sierra Nevada Mountains Foothills, along CA-49 in the section dropping rapidly to the American River forks; about 1/2 mile east of Auburn 355 Comment
  SBBG123109  Heuchera micrantha G. K. Helmkamp with E. A. Helmkamp 2007-5-30 12193 Placer Mosquito Ridge Rd, 15 mi E of its jct with Forest Hill Rd in Foresthill, S of site of Bake Oven 915 Comment
  CAS-BOT-BC425221  Heuchera rubescens John H. Thomas; Hazelle A. Thomas 1956-7-21 6116 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC319600  Hieracium albiflorum Emily K. Mcpherson 1975-9-19 76- 28 -8 Placer One mile east of Talbot Campground near mid fork American River, Sierra Nevada 1767 Comment
  POM360442  Hieracium albiflorum Wm. Martin 1971-9-10 20273 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  SEINET11259299 Image available Hieracium albiflorum M. Koski 2009-10-8 NV 030 -297 Placer Near Onion Creek 2005 Comment
  UCD132315  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD133111  Hieracium argutum G. L. Stebbins Jr.; J. Hunziker, H. Stutz, D. Zohary 1952-7-20 5134 Placer steep, north-facing slope. Along road from Colfax to Forest Hill, 1/2 mile south of crossing of American River. 304 Comment
  RSA121227  Holcus lanatus N. H. French 1933-5-5 42 Placer S. of Newcastle. 183 Comment
  SACT001289  Holcus lanatus D. Meyer 1984-5-28 Placer 121.0 Comment
  UC1132401  Holcus lanatus N. French 1933-5-5 42 Placer s Newcastle; Sacramento Quadrangle Comment
  UCD36120  Holcus lanatus Beecher Crampton 1952-11-9 920 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UC912268  Holocarpha virgata subsp. virgata Herbert L. Mason 1929-10-4 5449 Placer 3 mi s of Roseville; Folsom Road Comment
  UCD83595  Holodiscus discolor Albert Grigarick 2009-8-7 164 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2061 Comment
  RSA0009706  Holozonia filipes Marcus E. Jones 1882-7-8 s.n. Placer Near Auburn. Comment
  SACT001316  Hordeum brachyantherum Michael Baad 1983-7-10 Placer Open wet meadow. 1524.0 Comment
  UCD43051  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 420 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CDA15930  Hordeum brachyantherum subsp. brachyantherum G. F. Hrusa, J. Glazner 1999-7-17 15181 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Few n partially moist site surrounded by open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest. Bunchgrass. 1889 Comment
  UC1132110  Hordeum brachyantherum subsp. brachyantherum B. Bolt 1934-7-16 166 Placer 1/2 mi s Lost Emigrant Mine; Truckee Quad., Tahoe National Forest Comment
  UC204536  Hordeum brachyantherum subsp. brachyantherum R. L. Pendleton and F. M. Reed 1907-7-28 1303 Placer Tahoe Tavern , Tahoe Tavern (Lake Tahoe Region) 1889 Comment
  UCD22254  Hordeum brachyantherum subsp. californicum Rex Palmer 1979-7-12 N 639 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT001323  Hordeum californicum D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City Shooping center near lake shore. 1891.0 Comment
  UC1132504  Hordeum jubatum G. T. Nordstrom 1934-6-21 151 Placer 4/10 mi w by nw Mammoth Springs; Colfax Quad., Tahoe National Forest Comment
  SACT001382  Hordeum leporinum D. Meyer 1984-5-6 Placer 145.5 Comment
  SACT001383  Hordeum leporinum D. Meyer 1984-5-28 Placer Next to orchard. 206.0 Comment
  CAS-BOT-BC285073  Hordeum marinum subsp. gussoneanum John Thomas Howell; Gordon H. True 1971-5-26 47618 Placer Northern limits of Lincoln 48 Comment
  UCD80557  Hordeum murinum CNPS SN Foothill Team 2005-4-11 SNFN 0103 b Placer Placer Legacy, Spears/Didion Ranch, above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  UCD86534  Hordeum vulgare Beecher Crampton 1957-5-7 3982 Placer Along US Hwy. 99E, 3.2 miles N of Roseville. Comment
  RSA0043371  Horkelia fusca John F. Emmel 1997-7-25 1513 Placer Sierra Nevada, Donner Pass region; south side of Donnner Pass, 0.2 air mile ENE of north end of Lake Mary. 2145 Comment
  RSA122263  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 114124 Placer 1/2 mile S of Lost Emigrant Mine. 2073 Comment
  RSA35116  Horkelia fusca subsp. parviflora L. S. Rose 1944-7-13 44102 Placer Chambers Lake, Lake Tahoe. 1921 Comment
  SEINET6758962  Horkelia fusca subsp. parviflora L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  UC72985  Horkelia fusca subsp. parviflora Chesnut and Drew 1890-8-7 Placer Cascade Lake Tahoe Comment
  JEPS127551  Horkelia fusca var. parviflora Steve Matson 2000-6-24 452 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 400 m north of Hwy 267, 10 m west of Martis Creek. Comment
  CAS-BOT-BC537865  Horkelia fusca var. parviflora A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end Summit Valley 2042 Comment
  SD81224  Horkelia tridentata Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  RSA121096  Horkelia tridentata N. H. French 1934-5-24 359 Placer N Fork, N Fork American River, Colfax 1341 Comment
  SEINET6767889  Horkelia tridentata M. J. Williams 1986-6-19 86- 64 -3 Placer Sierra Nevada; S of I-80, near Cisco Grove. 1743 Comment
  HSC33456  Horkelia tridentata var. tridentata Thomas W. Nelson, James Nelson 1974-6-17 1353 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  JEPS120279  Horkelia tridentata var. tridentata Barbara Ertter with R. K. Brummitt, K. VanZuuk, S. Namoff 2012-6-12 21031 Placer across Forest Road 24 from Parker Flat OHV staging area, SE of Sugarpine Reservoir ca 10.5 airmiles ENE of Colfax Comment
  CAS-BOT-BC537973  Horkelia tridentata var. tridentata Clare B. Hardham 1961-6-14 7366 Placer Baxter Rte 40 Comment
  CAS-BOT-BC537978  Horkelia tridentata var. tridentata Marcus E. A M Jones 1882-6-27 3291 Placer Emigrant Gap Comment
  CAS-BOT-BC537979  Horkelia tridentata var. tridentata A. A. Heller 1917-6-17 12705 Placer gravelly places along the Yuba River below Cisco 1676 Comment
  SEINET5327380  Hosackia crassifolia var. crassifolia P. B. Kennedy 1901-8-21 428 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  SEINET5327468  Hosackia oblongifolia var. oblongifolia P. B. Kennedy, Samuel Bradford Doten 1901-8-15 406 Placer Bearman's camp, 6 mi from French Meadows Comment
  OBI48663  Hydrophyllum capitatum var. alpinum Lewis S. Rose 1940-6-2 40457 Placer Truckee River, 10 mi N of Tahoe city 1829 Comment
  CDA7483  Hymenothrix loomisii T. C. Fuller 1963-10-21 11407 Placer South side of Highway 40 freeway to Donner Summit, 4.8 miles east of Weimar, 1 mile east of Colfax. 0 Comment
  UCR111003  Hypericum anagalloides George K. Helmkamp, E. A. Helmkamp 1999-6-30 5108 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UCD110359  Hypericum concinnum John R. Davey 1966-5-14 33 Placer ca. 3 miles south of U.S. Highway 40 and 4 miles southwest of Colfax. 609 Comment
  UCR170799  Hypericum formosum var. scouleri George K. Helmkamp, E. A. Helmkamp 2005-9-30 9937 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  UCD110375  Hypericum perforatum subsp. perforatum G. K. Helmkamp; Elizabeth A. Helmkamp 2006-6-14 10709 Placer Northern Sierra Nevada foothills: 0.2 mile north of Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 488 Comment
  SD113019  Hypochaeris glabra Darley F. Howe 1951-5-1 2175 Placer 455 Comment
  CDA32869  Hypochaeris glabra CDFA Staff 1980-1 Placer Auburn: Agricultural Commissioner's Office 0 Comment
  CDA36756  Hypochaeris radicata D. B. Joley 1976-4-22 15 Placer Loomis area, Butterfield s. 0 Comment
  UC52527  Ipomopsis aggregata J. A. De Cou Aug 1900 426 Placer McKinneys Tahoe Comment
  JEPS26024  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer 1.5 mi s Homewood (along state hwy 89) 1889 Comment
  POM319890  Ipomopsis aggregata subsp. formosissima Barbara Shervanick 1972-06 635 Placer Devil's peak, Sierra Nevada, Rubion River drainage area 1616 Comment
  UCR241355  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19820 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.7 mile north of Robinson Flat Campground, about 26 miles northeast of Foresthill, Tahoe National Forest 2034 Comment
  UCR173251  Iris George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10454 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UC147647  Iris hartwegii Harriet A. Walker 1908-6-24 1245 Placer Blue Canyon 1432 Comment
  UCR194941  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-18 12010 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  JEPS111316  Ivesia gordonii Steve Matson 2005-7-30 1424 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), on steep east facing slope below ridgetopl: 39.1886 N, 120.2773 W ; elevation 8,700 ft. 2651 Comment
  RSA25338  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
Read comments
Dec 16 2012
  RSA755562  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer along CA-193, 5.3 miles east of Lincoln 123 Comment
  UCR209018  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer Sacramento Valley, along CA-193, 5.3 miles east of Lincoln 123 Comment
  UC1100933  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-21 1503 Placer n end Lake Tahoe (between Sandy Beach and Agate Bay) Comment
  CHSC108740  Juncus chlorocephalus B. Castro; L. P. Janeway 2003-8-23 1447 Placer Northern High Sierra Nevada. Ca 5 air mi SW of Homewood (Lake Tahoe). Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 1.9 mi SSW of Barker Pass. Along edge of creek on wet sand/gravel bars, sometimes partly into the water. 2106 Comment
  UCD21853  Juncus chlorocephalus Beth Lowe Corbin 1982-8-19 385 Placer 2 miles SSE of The Cedars. 2011 Comment
  UCD74139  Juncus chlorocephalus Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 242 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2151 Comment
  RSA783469  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass 15 quad). At Serene Lakes Lodge Comment
  UCD75704  Juncus ensifolius Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5154 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  UCR240958  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2012-9-25 19909 Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  SEINET6190258  Juncus ensifolius var. ensifolius M. J. Williams 1985-7-6 85- 63 -2 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits. Comment
  CHSC82579  Juncus hemiendytus var. hemiendytus Lowell Ahart 2002-7-22 9912 Placer On the south side of the small lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  UCD162589  Juncus macrandrus Steve Matson 2002-8-17 700 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 Comment
  UCD42992  Juncus mertensianus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 361 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC74321  Juncus nevadensis Susi Urie 1998-8-29 98 -155 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  UCD141616  Juncus nevadensis Frederica Bowcutt 1994-7-22 1958 Placer Sierra Nevada Mtns., Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. Proposed restaurant site. 2438 Comment
  UCD21850  Juncus parryi Rex Palmer 1979-7-11 N 561 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD21851  Juncus parryi Rex Palmer 1979-6-19 N 225 Placer Headwaters basin area of the North Fork of the American River Comment
  SBBG47338  Juncus tenuis J. T. Howell, G. H. True 1971-7-7 48322 Placer north limits of Lincoln 48 Comment
  RSA0122314  Juniperus Marcus E. Jones 1889-6-21 s.n. Placer Cisco. Comment
  CAS-BOT-BC81151  Juniperus occidentalis Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  UCD22093  Juniperus occidentalis Beth Lowe Corbin 1982-8-8 283 Placer 1/2 mile SW of Onion Creek Campground. South facing slope, 20% incline. 1798 Comment
  UCR163503  Juniperus occidentalis var. australis David A. Charlet 1997-4-17 2391 Placer Carson Range, Tahoe City, on E shoulder of Calif. Hwy 267, 0.2 mi N of the junction with Tahoe hwy 1909 Comment
  CAS-BOT-BC58897  Kalmia microphylla subsp. microphylla L. S. Smith 1927-8-11 2203 Placer Squaw Valley - Tahoe N.F. 1889 Comment
  UC886838  Keckiella breviflora Marcus E. Jones, A. M. 1882-6-28 3276 Placer Emigrant Gap Comment
  UCR193339  Keckiella breviflora subsp. breviflora George K. Helmkamp, E. A. Helmkamp 2007-5-30 12177 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  CAS-BOT-BC246156  Keckiella lemmonii Catherine Best 1981-8-1 s.n. Placer Near Lower Hell Hole Reservoir, Sierra Nevada Comment
  SCFS997  Keckiella lemmonii E. Krimmel 2014-7-15 Placer North Fork American River. Below Soda Springs Rd, on trail 1/4-mile above Heath Falls Overlook. Comment
  RSA0053705  Kelloggia galioides G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19223 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road (Deadwood Rd.), 1.2 miles S of its junction with Foresthill Road 1648 Comment
  SEINET9316294  Kelloggia galioides Unknown 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills Comment
  CAS-BOT-BC180847  Kochia scoparia Beecher Crampton 1969-10-9 8519 Placer Interstate Highway 80 westbound between Yuba and Emigrant Gaps Comment
  SEINET5338189  Kumlienia hystricula B. Eshelman, Hugh N. Mozingo 1979-3-31 s.n. Placer Near juction with N fork of Middle Fork of American River, Mosquito Ridge road to French Meadows. 518 Comment
  UC9456  Kumlienia hystricula H. N. Bolander 1865-4-15 4630 Placer near Butcher Ranch (Dardanelles Canyon); Dardanelles Canyon Comment
  CAS-BOT-BC274286  Lachnagrostis filiformis Peter Rubtzoff 1976-7-4 8713 Placer Granite Bay section of Folsom Lake State Recreation Area Comment
  CAS-BOT-BC341353  Lagophylla glandulosa David D. Keck 1933-6-1 2437 Placer South of Roseville, near Sacramento County--Placer County line Comment
  HSC82238  Lasthenia californica Thomas W. Nelson 1979-4-10 4583 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  HSC82612  Lasthenia californica Thomas W. Nelson, Jane P. Nelson 1979-4-11 4603 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UC472252  Lasthenia fremontii Francis Ramaley 1917-4-15 11112 Placer Lincoln Comment
  JEPS113285  Lasthenia glaberrima Lowell Ahart, Brian Williams 2007-4-13 13632 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  RSA791426  Lasthenia glaberrima George K. Helmkamp, E. A. Helmkamp 2011-5-12 17252 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  POM260125  Lathyrus nevadensis subsp. nevadensis C. L. Hitchcock 1940-5-7 6319 Placer 1 mile west of Baxter. Comment
  UCR235392  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  POM260012  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer 1 mile west of Baxter. Comment
  UC15356  Lathyrus sulphureus H. N. Bolander 1866-4-11 4537 Placer Banks of American River Auburn Comment
  RSA20918  Layia fremontii C. B. Wolf 1937-3-30 8365 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  UC1101317  Lemna aequinoctialis Malcolm A. Nobs, S. Galen Smith 1949-8-22 1538 Placer 6 mi nw of Auburn (on Dunn's Dam Road); Dunn's Dam Road Comment
  SEINET3167470  Leontodon saxatilis subsp. longirostris R. W. Spellenberg, N. Zucker 2010-4-16 14152 Placer N edge of Lincoln along Hwy. 65 45 Comment
  UCR198416  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2008-4-17 13291 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCR260072  Leontodon taraxacoides subsp. taraxacoides George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22414 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  CAS-BOT-BC88834  Lepidium campestre John Thomas Howell; Gordon H. True 1968-6-9 44513 Placer Sierra Nevada. Alta. 1066 Comment
  SACT001403  Leptochloa fascicularis Josephine Van Ess 1976-7-28 Placer Coillected about .25 mile west of Country Acres Lane. Wet ditch bank at edge of water. 21.3 Comment
  UC1123934  Leptodactylon pungens N. French 1934-6-19 426 Placer Devils Peak; Tahoe National Forest, Truckee Quad. 2346 Comment
  UC63961  Leptodactylon pungens C. J. Fox Jr. July 1895 Placer near Squaw Peak; near Squaw Peak Comment
  CHSC44327  Leptosiphon ciliatus Lowell Ahart 1972-7-7 137 Placer In a wash, near the Middle Fork of the American River, on the east side of the river near Ahart Camp, about 1 mile north-east of French Meadows Reservoir. 1524 Comment
  POM74004  Leptosiphon ciliatus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD118758  Leptosiphon filipes Ted Niehaus 1959-5-3 98 Placer Granite Bay park, north shore of Folsom Lake. Comment
  CAS-BOT-BC341770  Lessingia nemaclada B. C. Cain 1925-8-15 14 Placer 2 mi. south of Auburn at Wise Power House Comment
  POM126727  Leucophysalis nana Helen D. Geis 1912-06 63 Placer Deer Park. Comment
  RSA121946  Leucothoe davisiae B. Bolt 1934-7-6 84 Placer East slope of Texas Hill. 1585 Comment
  UCD21480  Leucothoe davisiae Beth Lowe Corbin 1982-8-24 416 Placer One and 3/4 miles SW of the Cedars. 1950 Comment
  CAS-BOT-BC444555  Lewisia triphylla John H. Thomas; Hazelle A. Thomas 1956-7-21 6145 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  POM164116  Lewisia triphylla C. F. Sonne 1897-7-18 4125 Placer Tinker s Knob 2744 Comment
  UC852007  Lewisia triphylla Marcus E. Jones, A. M. 1882-5-28 2629 Placer Emigrant Gap Comment
  UCD22147  Lewisia triphylla Rex Palmer 1979-6-19 N 230 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22149  Lewisia triphylla Rex Palmer 1979-5-27 N 78 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC74057  Ligusticum grayi Susi Urie 1998-7-11 98 -001 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74180  Ligusticum grayi Susi Urie; Eric Schroder 1998-9-9 98 -307 Placer Lake Tahoe Basin--National Forest. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UC875078  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer s. of Summit valley Mt. Lincoln 2499 Comment
  UCD21592  Ligusticum grayi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1255 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  UCD42978  Ligusticum grayi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 347 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET11120010  Ligusticum grayi M. J. Williams 1985-7-6 85- 61 -4 Placer Sierra Nevada, near old Donner Summit [road,] S of Lake Mary. 2286 Comment
  RSA377184  Lilium parvum Bonnie C. Templeton 1931-7-4 1504 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  UC1505670  Lilium parvum Robert T. Clausen and Harold Trapido 1940-7-13 4895 Placer 2 mi w Lake Tahoe (along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
  UC3751  Lilium washingtonianum subsp. washingtonianum Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET5560140  Limnanthaceae H. S. Gentry 1962-1 19718 Placer 6.5 mi. SE of Wheatland, along Rt. 99E. 15 Comment
  JEPS19575  Limnanthes alba Wm. H. Shockley 1879-1 Placer Auburn Comment
  SFV8305  Limnanthes alba S. A. Melugin 1969-4-26 69 Placer Near end of Road 5005. 12 Comment
  SEINET3154763  Limnanthes douglasii M. E. Jones 1882-6-28 3285 Placer Emigrant Gap Comment
  JEPS59484  Linanthus filipes Ezra Brainerd and Viola B. Baird 1915-7-23 231 Placer Tahoe City Sierra Nevada Mts. 1905 Comment
  UC971766  Linanthus harknessii B. Bolt 1934-7-17 171 Placer 0.5 mi s Los Emigrant Monument; Tahoe National Forest, Truckee Quad. 2072 Comment
  CDA6376  Linaria vulgaris J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Gold Run. Comment
  UC1191861  Lindernia dubia var. dubia Malcolm A. Nobs and S. Galen Smith 1949-8-22 1543 Placer sw city limits Roseville Comment
  SACT002872  Lithocarpus densiflorus Michael Baad 1983-6-26 Placer 1.4 miles southeast of Forest Hill Divide Road on Michigan Bluff Road. 1158.24 Comment
  SACT002875  Lithocarpus densiflorus Michael Baad 1977-6-1 Placer North of Iowa Hill Ditch. 1341.12 Comment
  CAS-BOT-BC36162  Lithocarpus densiflorus var. densiflorus D. L. Smith; G. L. Stebbins 1976-7-4 C 7682 Placer Little Crater, on north side of Ralston Ridge. 1463 Comment
  JEPS127559  Lithophragma glabrum Steve Matson 1998-5-24 214 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 400 m north of Hwy 267, east of Martis Creek, along fence line, east boundary of MCWA. Comment
  UCSB25992  Lithospermum californicum Morley, Thomas 1946-5-11 Placer 100 yards northwest of Southern Pacific railroad tracks; 1/2 mile east of Dutch Flat station Comment
  JEPS111185  Logfia filaginoides Steve Matson 2005-4-17 1219 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  CAS-BOT-BC283556  Lolium John Thomas Howell; Gordon H. True 1971-5-26 47619 Placer N limits of Lincoln 48 Comment
  CDA37060  Lolium multiflorum CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SACT001440  Lolium multiflorum D. Meyer 1983-6-5 Placer along roadside. 487.68 Comment
  SACT001441  Lolium multiflorum D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 19.812 Comment
  UC1137048  Lolium multiflorum August L. Hormay 1932-5-24 Placer w Auburn; w of Auburn Comment
  SACT001456  Lolium perenne Michael Baad 1977-6-2 Placer 8.5 miles southwest of junction of Deadwood Road and Foresthill Divide Road. 666.0 Comment
  UCR234211  Lomatium caruifolium var. denticulatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17169 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  UC1087198  Lomatium dissectum var. multifidum Peter H. Raven 1958-6-14 13209 Placer w. side Donner Pass 2164 Comment
  CHSC91783  Lonicera conjugialis G. F. Hrusa; J. Glazner 2000-7-1 15623 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  OBI39839  Lonicera conjugialis Joy H. Nishida 1985-7-10 789 Placer Homewood 1829 Comment
  UC35421  Lonicera conjugialis C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UC889535  Lonicera conjugialis Alice Eastwood Jun 15 1912-Jun 19 1912 427 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC241427  Lonicera involucrata var. involucrata G. E. Poore 1912-7-1 174 Placer Tahoe National Forest, Sierra Nevada Comment
  UCD137356  Lonicera japonica R. Koch 1996-6-1 7 Placer KOA Campground, off Highway 50, by Placerville. 566 Comment
  CAS-BOT-BC200944  Lotus C. L. Hitchcock 1940-5-7 6322 Placer Ca. 1 mile west of Baxter Comment
  UCR257728  Lotus corniculatus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19522 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  UC864903  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer ca 1 mi w Baxter Comment
  UCR208265  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14645 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  SEINET11268218  Lotus nevadensis var. nevadensis Lowell Ahart, Peter Ahart 2001-10-10 9345 Placer Below the high water line of French Meadows reservoir, near the boat or trail access area on the north west side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles(air) northeast of Forest Hill.; 0 1594 Comment
  UC1129106  Lotus oblongifolius var. oblongifolius B. Bolt 1934-7-6 87 Placer Mammoth Spring Tahoe National Forest, Colfax Quad. 1615 Comment
  UC1368473  Lotus oblongifolius var. oblongifolius R. K. Gierisch 1969-7-11 3521 Placer Big Bend Tahoe Forest 1828 Comment
  UC65764  Lotus oblongifolius var. oblongifolius P. B. Kennedy and S. B. Doten 1901-8-15 406 Placer 6 mi from French Meadows Comment
  CDA12426  Lotus purshianus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8555 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCR146925  Lotus purshianus Beecher Crampton 1959-7-23 5423 Placer Sacramento Valley, 6 miles north of Folsom 122 Comment
  JEPS55783  Lotus purshianus var. purshianus W. H. Shockley Jun 1886 Placer Auburn Comment
  SEINET11265986  Lotus purshianus var. purshianus George Helmkamp, E. A. Helmkamp 2010-10-16 17016 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 0.5 miles north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd (Foresthill 7.5' Q.); 0 948 Comment
  UCR219681  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16374 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  RSA406275  Lotus unifoliolatus Wm. Martin 1973-9-10 20213 Placer 1 mile east of Weimar on Hwy. 80. 610 Comment
  JEPS127435  Lupinus albicaulis Steve Matson 1997-7-19 119 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west Tiger Ave. Comment
  UCD22080  Lupinus albicaulis Rex Palmer 1979-7-26 N 836 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR250177  Lupinus albicaulis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20460 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SEINET5327616  Lupinus albifrons C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River, Mosquito Ridge road to French Meadowns. 518 Comment
  SEINET5327624  Lupinus albifrons Polkinghorne 1964-3-21 s.n. Placer Near Auburn. 549 Comment
  CAS-BOT-BC201562  Lupinus albifrons var. albifrons Ames 1884-5-1 s.n. Placer Auburn Comment
  SD248424  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 miles ENE of Weimar. 512 Comment
  UCR250071  Lupinus albifrons var. collinus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20486 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCD106420  Lupinus andersonii A. A. Heller 1919-7-25 13306 Placer near the Yuba river below Cisco. 1676 Comment
  UCD106437  Lupinus andersonii S. L. Smith Date Unknown 753 Placer Squaw Valley. Comment
  SEINET5558508  Lupinus andersonii H. S. Gentry 1962-1 19758 Placer Near Auburn. 457 Comment
  POM27663  Lupinus andersonii var. andersonii Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
  SEINET10490448  Lupinus andersonii var. andersonii Blakley 1960-9-2 BLAKLEY 3800 Placer Perennial to 24 inches tall; flowers pale purplish blue becoming dark purple With age, white spot on the banner. Scattered in dry rocky sandy loam soil Under pinus. Edge of a mountain meadow. Carnelian bay, lake tahoe 1903 Comment
  UCD106580  Lupinus apertus A. A. Heller 1909-7-16 9839 Placer Summit. 2133 Comment
  CDA27376  Lupinus apertus T. C. Fuller 1973-8-23 19983 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  CAS-BOT-BC249046  Lupinus arbustus George K. Helmkamp; E. A. Helmkamp 2010-7-28 16673 Placer Northern Sierra Nevada Mountains: Soda Springs Road, 0.3 mile north of its junction with Forest Hill Road at Robinson Flat 2024 Comment
  JEPS86490  Lupinus arbustus L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6571 Placer ca 5 mi se Donner Lake (Sherman Chickering's Soda Springs holdings); se of Donner Lake, e of Tinker Knob 2621 Comment
  UCD22081  Lupinus argenteus var. heteranthus Rex Palmer 1979-7-12 N 652 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA36910  Lupinus bicolor CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  CDA37252  Lupinus bicolor CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  HSC37413  Lupinus bicolor Thomas W. Nelson 1972-11-25 710 Placer Del Oro Rd. near Roseville Comment
  JEPS65004  Lupinus bicolor R. E. Arp 1932-4-18 3 Placer Roseville Comment
  SBBG122299  Lupinus bicolor G. K. Helmkamp with E. A. Helmkamp 2008-4-17 13296 Placer ca. 0.2 mi N of St Hwy 193 on Fowler Rd, ca. 6 mi E of Lincoln 92 Comment
  SD237434  Lupinus bicolor G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15923 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of junction with CA-49 at Pilot Hill, 0.65 mil north of the American River crossing (Pilot Hill 7.5'Q) 199 Comment
  UCD33676  Lupinus breweri Beecher Crampton 1971-8-16 8752 Placer Lake Tahoe, Tahoe Vista. 1920 Comment
  UCD38465  Lupinus grayi Beecher Crampton 1955-6-15 2907 Placer Yankee Jim. 807 Comment
  UC198112  Lupinus latifolius var. latifolius Katharine Brandegee Aug. 1917 Placer Cisco Comment
  SEINET5790373 Image available Lupinus lepidus Marcus E. Jones 1882-1 3305 Placer Emigrant Gap Comment
  OBI48718  Lupinus lepidus var. confertus Lewis S. Rose 1941-7-23 41356 Placer Chambers Lodge, (McKinney) Lake Tahoe 1920 Comment
  UCR189631  Lupinus lepidus var. confertus George K. Helmkamp, E. A. Helmkamp 2007-7-27 12640 Placer Northern Sierra Nevada Mountains, 0.1 mile south of the Rainbow exit from Interstate-80, 0.5 miles east of Rainbow 1790 Comment
  UCD108409  Lupinus lepidus var. confertus F. A. MacFadden 1934-7-18 s.n. Placer half way on highway between Carson City and Lake Tahoe. Comment
  UC33404  Lupinus lepidus var. lobbii W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Rubicon Park; vicinity of Lake Tahoe, Rubicon Park 1897 Comment
  RSA413788  Lupinus lyallii var. lyallii Bonnie C. Templeton 1931-7-5 1506 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  SDSU4678  Lupinus microcarpus var. densiflorus D. F. Howe 1948-5-21 1860 Placer 4 miles north of Auburn . Comment
  UCD109016  Lupinus nanus G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10131 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  UCR208572  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14608 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCR250065  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20471 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SEINET8056977  Lupinus nanus Caldwell 1962-5-9 112 Placer Fork of American River eat of Auburn 3 miles 427 Comment
  CHSC96480  Lupinus pachylobus Lowell Ahart; Brian Williams 2007-4-13 13643 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  JEPS113167  Lupinus pachylobus Lowell Ahart, Brian Williams 2007-4-13 13643 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCD22085  Lupinus polyphyllus Rex Palmer 1979-7-26 N 835 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC931  Lupinus polyphyllus var. burkei D. Crummet 1937-5-31 Placer About 14 mi. below Tahoe Tavern near Truckee. 1767 Comment
  JEPS127428  Lupinus polyphyllus var. burkei Steve Matson 1999-6-28 424 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; 300 meters NW of main meadow near highway. Comment
  SEINET8059863  Lupinus polyphyllus var. burkei P. B. Kennedy, S. B. Doten 1901-8-18 412 Placer [Sierra Nevada] Talbots Home Camp, 7 mi from French Meadows Comment
  SEINET12902685 Image available Lupinus silvicola A. A. Heller 1909-1 9857 Placer Summit 2134 Comment
  POM127158  Lupinus vallicola subsp. vallicola Francis Ramaley 11099 Placer Lincoln Comment
  POM110695  Luzula comosa Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SEINET11790128  Luzula comosa Unknown 1933-1 8454 Placer Auburn Comment
  CAS-BOT-BC436673  Luzula comosa var. laxa W. R. Dudley 1893-6-1 s.n. Placer Back of Tallac Comment
  UC842058  Luzula divaricata A. A. Heller 1917-8-14 12930 Placer near the crest Mount Lincoln s Summit Valley; Mount Lincoln s of Summit Valley 2499 Comment
  UCR197979  Lycopus americanus Beecher Crampton 1953-10-6 1660 Placer north Lincoln city limit 52 Comment
  CHSC82640  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  CAS-BOT-BC342660  Madia citriodora K. Curran 1883-4-1 s.n. Placer Roseville Comment
  UCR194935  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12018 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCR218130  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16382 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC342837  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  JEPS103272  Madia glomerata Lowell Ahart 2002-7-22 9878 Placer 50 yards NE of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  RSA0045149  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19919 Placer Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road. 1611 Comment
  UCD134265  Madia glomerata G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12646 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  UCR171339  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2005-10-1 9973 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  CAS-BOT-BC343242  Madia gracilis David D. Keck 1933-5-31 2428 Placer Just south of Auburn, on road to Roseville 305 Comment
  CAS-BOT-BC343244  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco, west slope Sierra Nevada 1804 Comment
  CAS-BOT-BC343240  Madia gracilis David D. Keck 1932-6-30 1583 a Placer Ca. 4 miles S. of Colfax 640 Comment
  UCD18246  Madia subspicata E. A. Dean 1998-5-30 458 Placer NE of town of Auburn, along SE side of Foresthill Rd. 500 Comment
  SBBG58728  Maianthemum racemosum M. N. Ackley -Jun-1925 675 Placer Summit 2138 Comment
  CAS-BOT-BC512082  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-6-15 411 Placer Deer Park; Lake Tahoe Region Comment
  SEINET12049609  Maianthemum racemosum subsp. amplexicaule J. H. Nishida 1985-1 786 Placer Homewood 1829 Comment
  SEINET8491615  Maianthemum stellatum P. A. Lehenbauer 1932-6-26 s.n. Placer Tahoe City. Comment
  UCR218225  Malacothrix floccifera George K. Helmkamp, E. A. Helmkamp 2010-6-26 16412 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  JEPS74306  Marah fabacea John Thomas Howell, Gordon H. True 1972-3-17 7074 Placer 1 1/2 mi w Lincoln (just s of Auburn Ravine) 48 Comment
  SEINET8551086  Marah fabacea B. Eshelman, H. Mozingo et al. 1979-3-31 s.n. Placer Mosquito Ridge road to French Meadows, near junction with North Fork of Middle Fork of American River. 518 Comment
  RSA0038509  Marrubium vulgare George K. Helmkamp, Mary Alice Barnes 2013-5-3 20470 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  CAS-BOT-BC67839  Marsilea vestita David D. Keck 1933-6-1 2438 Placer South of Roseville, near Sacramento County - Placer County line. Comment
  SD237342  Matricaria discoidea G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15919 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mi. north of the American River crossing. 199 Comment
  SD247338  Matricaria discoidea George K. Helmkamp, Amy Barnes 2013-3-28 20289 Placer Eastern Sacramento Valley: northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan. 35 Comment
  SEINET7843610  Medicago arabica F. Brunetti 1962-4-1 s.n. Placer 2 miles east of Auburn, on north fork American River. 274 Comment
  JEPS65513  Medicago polymorpha W. H. Shockley June 1886 Placer Auburn Comment
  SD241814  Medicago polymorpha G. K Helmkamp, E. A. Helmkamp 2010-4-17 15879 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 313 Comment
  UCD14576  Melica aristata Dale Christensen 1983-6-14 s.n. Placer California, Placer Co.; Foresthill. Comment
  UCR209745  Melica aristata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15423 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  CHSC67742  Melica bulbosa James D. Jokerst 1986-7-13 2734 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, just below the summit of Needle Peak. Comment
  UC1153929  Melica californica Beecher Crampton 1957-5-7 3980 Placer 3.2 mi n Roseville (U.S. Hwy 99E) Comment
  UCD86414  Melica californica A. A. Beetle 1941-5-26 2715 Placer Near Cisco. 914 Comment
  UCD87183  Melica californica B. Riley 1948-5-30 s.n. Placer American River - above Auburn. Comment
  SACT001498  Melica californica var. nevadensis Michael Baad 1976-6-3 Placer 1.1 miles east of bridge. 3.3 miles east of Auburn on Old Auburn to Foresthill Road. Southwest facing slope. 217.0 Comment
  CAS-BOT-BC282062  Melica fugax 1870-6-17 s.n. Placer Cisco, Sierra Nevada Mts Comment
  CAS-BOT-BC282064  Melica fugax A. A. Heller 1917-6-17 12699 Placer Along the Yuba River below Cisco 1676 Comment
  SACT001522  Melica harfordii D. Meyer 1984-8-17 Placer 667.0 Comment
  SACT001523  Melica harfordii D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  SACT001527  Melica stricta Michael Baad 1976-8-12 Placer Southwest to Emigrant Peak along Shirley Lake Ski Lift 2316.0 Comment
  CAS-BOT-BC262449  Melica subulata G. L. Stebbins 1977-7-9 7769 Placer Along trail from McKinistry Lake to Rubicon River 1889 Comment
  SACT001538  Melica torreyana Michael Baad 1983-4-17 Placer Descending to Middle-Fork of the American River; serpentine outcrop 411.48 Comment
  SEINET11262285  Melica torreyana George Helmkamp, E. A. Helmkamp 2012-5-5 18915 Placer Northern Sierra Nevada Mountain Foothills: Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, .3 air miles SE of Clementine Dam on the American River (Auburn 7.5').; 0 396 Comment
  UCR173273  Melica torreyana George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10437 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  UCR218451  Melica torreyana George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16427 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  UC872457  Mentzelia dispersa Lewis S. Rose 1938-9-14 38269 Placer 3 m nw Tahoe City; Truckee River 1828 Comment
  POM153475  Mentzelia dispersa P. A. Munz 1928-6-25 14095 Placer Tahoe Camp, Lake Tahoe 2073 Comment
  CAS-BOT-BC428533  Micranthes aprica Betty J. Jorgensen 1944-6-24 492 Placer Cascade Lakes about 6 miles S.W. of Soda Springs Comment
  UCD75725  Micranthes bryophora Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5162 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  SEINET6033444  Micranthes californica A. Streshley 1976-3-13 s.n. Placer South of Auburn, along the north fork of the American River 274 Comment
  SEINET6033452  Micranthes californica R. L. Smith 1942-4-3 s.n. Placer 10 miles east of Roseville 152 Comment
  SEINET12220884  Micranthes tolmiei C. F. Sonne 1885-1 s.n. Placer Tinkers Knob, Sierra Nevada Mts 2743 Comment
  CAS-BOT-BC348388  Micropus californicus var. californicus G. L. Stebbins 1978-5-28 7881 Placer West side of Big Crater 1280 Comment
  CAS-BOT-BC348389  Micropus californicus var. californicus H. L. Mason 1933-5-28 7236 Placer Tahoe-Colfax road, three to four miles north of Colfax Comment
  POM33641  Microseris nutans Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UCD21783  Microseris nutans Rex Palmer 1979-6-20 N 329 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET11602012 Image available Microseris nutans M. J. Williams 1985-7-6 85- 63 -14 Placer Pacific Crest Trail between old and new Donner Summits. Sierra Nevada. Comment
  RSA26978  Mimulus angustatus C. L. Hitchcock 1940-5-14 6397 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC124343  Mimulus bicolor A. Kellogg June 1870 523 Placer alta Comment
  UC886108  Mimulus bicolor C. L. Hitchcock 1940-5-14 6398 Placer ca. 6 mi n Colfax; Meier Ranch 762 Comment
  RSA93428  Mimulus bicolor Milo S. Baker 1936-6-22 8418 Placer Hwy 40, vicinity of Gold Run. Comment
  UCD162578  Mimulus breweri Steve Matson 2003-6-9 789 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters north of Highway 267, 50 meterswest of Martis Creek. 1780 Comment
  UCD162609  Mimulus breweri Steve Matson 1998-6-23 293 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork at big pine meadow. 1920 Comment
  RSA795365  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16775 Placer American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  SEINET5796510 Image available Mimulus glutinosus Marcus E. Jones 1882-1 Placer Emigrant Gap.; 39.3004 -120.6715 Comment
  LA83144  Mimulus guttatus O. H. Kappler; 1946-7-18 1307 Placer Lake Tahoe, NW shore 1920 Comment
  POM43705  Mimulus guttatus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  RSA447929  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCR190665  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12076 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  JEPS59500  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-22 255 Placer e Truckee River (Bear Rock); Sierra Nevada Mts. 1898 Comment
  CDA41698  Mimulus leptaleus S. E. Schoenig 1998-8-29 98 84 a Placer Adjacent to trail Glacier Lake, 0.5 miles east of intersection with Sand Ridge Trail. Comment
  UC445184  Mimulus leptaleus A. Kellogg Placer Cisco Comment
  UCR242327  Mimulus mephiticus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  UC725532  Mimulus microphyllus A. A. Heller 1941-5-10 16120 Placer 1 mi n Lincoln (along U. S. Highway #99E) Comment
  UC702887  Mimulus moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney) Lake Tahoe Comment
  UCD75683  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5132 a Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, near underdeveloped road that crosses the creek. 2106 Comment
  UCD75693  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5142 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  UCR233457  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18187 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  RSA0077806  Mimulus nanus var. mephiticus Milo S. Baker 1904-7-15 s.n. Placer Lake Valley, Lake Tahoe Region. Comment
  RSA434711  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCR209723  Mimulus primuloides var. primuloides George K. Helmkamp, E. A. Helmkamp 2009-8-12 15447 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  POM9975  Mimulus tilingii E. Keyes 1920-8-21 s.n. Placer Ellis Meadow near Lake Tahoe. Comment
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Jan 1 2016
  SCFS5066  Mimulus torreyi E. Krimmel 2014-6-26 Placer Above NF river on north side, not far above Heath Falls overlook Comment
  JEPS14353  Minuartia douglasii Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, J. Hunziker, F. Ehrendorfer, D. Zohary, H. Stutz 1952-7-19 3872 Placer slope just s Shirttail Public Camp (near headwaters of Shirttail Creek, 6 mi e of Iowa Hill); Tahoe Nat. Forest 1066 Comment
  CAS-BOT-BC432907  Mitella John H. Thomas; Hazelle A. Thomas 1956-7-21 6176 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC432975  Mitella breweri A. A. Heller 1909-7-16 9833 Placer Summit 2133 Comment
  CDA40218  Modiola caroliniana M. I. Wibawa 2002-5-27 270 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  CHSC97702  Mollugo verticillata Lowell Ahart 2007-11-13 14598 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  SEINET12272517  Monardella candicans M. E. Jones 1882-1 3458 Placer Colfax Comment
  UCD22029  Monardella odoratissima subsp. glauca Beth Lowe Corbin 1982-8-2 163 Placer Onion Creek campground. In dry drainageway, of fine, sandy, granitic soil. Subshrub 1' high, with pale purplish to whitish flowers, and strong mint odor. Mostly sun. South facing slope. Uncommon. 1841 Comment
  CAS-BOT-BC222101  Monardella odoratissima subsp. pallida Alice Eastwood 1909-1-1 147 Placer Lake Tahoe Region. Sunnyside Comment
  CHSC67833  Monardella odoratissima subsp. pallida James D. Jokerst 1986-7-13 2725 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  RSA636076  Monardella odoratissima subsp. pallida Robert M. Rhode, B. Nemeth 1997-6-26 170 Placer Near Blackwood Creek Canyon Road, about 0.4 miles west of turnoff from Highway 89 ( c. 4 miles south of Tahoe City) 1921 Comment
  UCR170816  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2005-9-30 9951 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR206876  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2009-7-16 15197 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  SEINET5333350  Monardella odoratissima subsp. pallida H. A. Walker 1908-7-25 1389 Placer Cisco 1811 Comment
  SCFS1207  Monardella sheltonii E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Off S. slope near top. Top Meadow. Comment
  RSA0022808  Monardella villosa Donald Wyrick 1961-6-21 296 Placer On Klamath River Road just west of Highway 99. 762 Comment
  UCD149498  Montia fontana G. L. Stebbins 1978-5-28 78101 Placer Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC852062  Montia fontana Marcus E. Jones 1882-6-27 3279 Placer Emigrant Gap, nw Placer County Emigrant Gap Comment
  CAS-BOT-BC260643  Muhlenbergia filiformis Margaret Williams 1974-8-8 74 -P1-37 Placer Murphy's Meadow, 5 miles SE of Hirschdale 2316 Comment
  JEPS103487  Muhlenbergia filiformis Lowell Ahart 2002-7-22 9905 Placer On the S side of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  UC34018  Muhlenbergia filiformis C. F. Sonne July 1892 20 Placer dry hills Sierra Nevada Mountains, Truckee Comment
  UC569416  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer two mi sw Martis Peak; Truckee Quadrangle 2286 Comment
  UC579522  Muhlenbergia filiformis B. Bolt 1934-7-20 155 Placer Whiskey Hill Tahoe National Forest, Colfax Quadrangle 1645 Comment
  UCD36426  Muhlenbergia filiformis Beecher Crampton 1953-7-21 1536 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  SEINET4672123  Muhlenbergia filiformis M. J. Williams 1974-8-8 74 -PL-37 Placer Murphy's Meadow, 5 mi. SW of Hirschdale 2316 Comment
  CAS-BOT-BC275335  Muhlenbergia jonesii G. L. Stebbins 1977-7-9 7767 Placer Along trail from McKinistry Lake to Rubicon River 1706 Comment
  CAS-BOT-BC275166  Muhlenbergia richardsonis Peter Rubtzoff 1976-9-19 8873 Placer Lake Van Norden, on E side of lake, N of the dirt road 2063 Comment
  UC518941  Muhlenbergia rigens David D. Keck 1933-6-1 2439 Placer s Roseville (near Sacramento-Placer Co. line) Comment
  UCD36121  Muhlenbergia rigens Beecher Crampton 1952-11-9 921 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UCD87000  Muhlenbergia rigens Beecher Crampton 1969-11-13 8530 Placer Placer County, Weimar on Interstate 80 eastbound. 685 Comment
  SD247365  Myosotis scorpioides George K. Helmkamp, E. A. Helmkamp 2012-6-19 19248 Placer Northern Sierra Nevada Mountains; Robinson's Flat,27 miles east of Forest Hill at the end of Forest Hill Road. 2040 Comment
  UCD72519  Myriophyllum quitense Lars Anderson; Toni Pennington 2008-6-3 s. n. Placer Lake Tahoe (California side, near Taylor Creek). Comment
  UCD148973  Myriophyllum spicatum John D. Madsen; David F. Spencer 1996-4-2 s.n. Placer From Truckee River, adjacent to California Highway 89, approximately 150 m downstream of the dam at Tahoe City. Comment
  UCR240725  Navarretia George K. Helmkamp, E. A. Helmkamp 2012-6-19 19231 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  CHSC40023  Navarretia capillaris A. A. Heller 1927-8-15 14445 Placer Near the Yuba River, below Cisco, the type station. Comment
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Jul 21 2010
  CHSC74111  Navarretia capillaris Susi Urie 1998-8-11 98 -011 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  JEPS127419  Navarretia capillaris Steve Matson 1998-7-12 334 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area600 meters north Highway 267 and 100 meters west of Martis Creek. Comment
  POM75137  Navarretia divaricata Marcus E. Jones 1882-6-30 10586 Placer Emigrant Gap. Comment
  RSA293380  Navarretia divaricata Reino Alava 1958-5-3 2008 -A Placer Along the road near the North Fork Dam of the American River; south [end] of Lake Clementine. About 3 miles northeast of Auburn Comment
  JEPS103305  Navarretia divaricata subsp. divaricata Lowell Ahart 2002-7-22 9896 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  JEPS70306  Navarretia filicaulis Katharine Brandegee Jul 1908 Placer Cape Horn Comment
  UC201039  Navarretia intertexta M. K. Curran May 1885 Placer Comment
  UCD43346  Navarretia intertexta subsp. intertexta C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 714 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS127410  Navarretia intertexta subsp. propinqua Steve Matson 1998-6-27 303 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area north side of Highway 267, just west of Martis Creek. Comment
  UCD48609  Navarretia intertexta subsp. propinqua Herbert L. Mason 1940-8-3 12203 Placer Squaw Creek Valley, north of Lake Tahoe, Placer County, California. 1889 Comment
  SBBG58362  Navarretia leptalea A. A. Heller 1927-8-15 14445 Placer near the Yuba River, Cisco Comment
  RSA470066  Navarretia leptalea Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  RSA562586  Navarretia leptalea subsp. bicolor Alva Day 1982-7-13 82 -72 Placer Soda Springs Rd. 1.7 mi. N of Chickering property. Comment
  SD243177  Navarretia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs road at Robinson Flat. Roadside. 2040 Comment
  UC726813  Navarretia leptalea subsp. leptalea A. A. Heller 1919-7-24 13292 Placer near Cisco; near Cisco Comment
  UC880051  Navarretia leptalea subsp. leptalea Lewis S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  SD121552  Navarretia leucocephala Jack L. Reveal 1987-5-22 2877 Placer vernal pools; Pleasant Grove Creek on Stanford Ranch northwest of Rocklin 79 Comment
  SEINET14151954  Navarretia leucocephala subsp. leucocephala B. Crampton 1953-5-26 1334 Placer 2 mi N of Lincoln, Sunnybrook Farm (Francheschi) Comment
  RSA29021  Navarretia leucocephala subsp. leucocephala Lincoln Constance 1941-5-28 2820 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  SEINET196217  Navarretia propinqua Herbert L. Mason 1940-8-3 12203 Placer Squaw Creek Valley, N fo Lake Tahoe. 1890 Comment
  UC909061  Navarretia tagetina Annetta Carter 1945-11-4 1737 Placer 3.5 mi nw Roseville Comment
  CDA11993  Nemophila heterophylla G. F. Hrusa 1995-5-2 12174 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CHSC24707  Nemophila heterophylla T. C. English 1976-4-18 34 Placer N side of abandoned R. R., n fork of the American River, 2 1/4 mi w of Hwy 49 bridge. 335 Comment
  POM126461  Nemophila maculata W W Mackie 1904-04 s.n. Placer Newcastle. Comment
  SEINET5520990  Nemophila maculata A. Beninghoff, C. Petterson 2682 Placer 5 miles west Lincoln Comment
  SFV11583  Nemophila menziesii M. L. Vincent 1965-4-11 608 Placer 1 mile north of Marysville on Highway 99E. Roadside. 20 Comment
  SD234422  Nemophila parviflora var. austiniae G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12192 Placer Northern Sierra Nevada Foothills: Mosquito Ridge Road, 13.5 miles E of its junction with Forest Hill Road in Foressthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River (Michigan Bluff 7.5' Q) 800 Comment
  UCR208592  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2009-5-11 14661 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  JEPS126279  Nemophila pedunculata Steve Matson 1998-6-21 200 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, south Martis dam road. Comment
  RSA21253  Nemophila pedunculata Carl B. Wolf 1937-3-30 8367 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  UC24194  Nemophila spatulata C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  SEINET5536436  Nemophila spatulata L. R. Miller 1936-5-19 s.n. Placer Above Zephyr Cove, Lake Tahoe Comment
  CAS-BOT-BC7235  Nemophila tenera Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  UCD110207  Notholithocarpus densiflorus G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrendorfer, J. Hunziker, et al. 1952-7-20 5135 Placer 5 miles northeast of Forest Hill, on road to Iowa Hill. 914 Comment
  UCD110234  Notholithocarpus densiflorus var. echinoides G. L. Stebbins Jr. 1941-7-16 3168 Placer Blue Canyon. Comment
  UC148976  Nuphar lutea subsp. polysepala H. M. Hall Jul 1910 8738 Placer above Emigrant Gap (Crystal Lake), Emigrant Gap to Cisco Emigrant Gap; Sierra Nevada Mountains Comment
  UC1122247  Oenothera elata subsp. hirsutissima H. S. Yates 1934-6-29 3902 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  UCR200878  Oenothera elata subsp. hirsutissima George K. Helmkamp, E. A. Helmkamp 2008-9-15 14096 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UCD42920  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 288 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44444  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1810 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD42964  Oreostemma peirsonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 333 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS11676  Orobanche californica subsp. grayana Rowena Beans 1914-9-7 Placer Tahoe Tavern Comment
  CAS-BOT-BC499822  Orobanche corymbosa subsp. corymbosa C. F. Sonne 1885-8-9 283 Placer Sierra Nevada Mts., on road from Tahoe Comment
  UC1438187  Orogenia fusiformis L. Constance and Betsy Wilson 1978-5-12 3894 Placer 5 mi. s. Trackee (Goose Meadows Campground in Truckee R. Valley); Sierra Nevada, Truckee R. Valley, Goose Meadows Campground 1828 Comment
  UC1063494  Orthocarpus cuspidatus subsp. cryptanthus N. French 1934-6-22 447 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle, w of Lake Dulzura Comment
  SJSU3256  Orthocarpus cuspidatus subsp. cryptanthus R. L. Fisher 1959-8-4 Placer Emigrant Meadow 2286 Comment
  RSA516502  Orthocarpus hispidus W. L. Jepson 1931-6-16 15929 Placer Tahoe Vista, Lake Tahoe. 2043 Comment
  RSA790860  Osmorhiza George K. Helmkamp, E. Helmkamp 2012-5-11 18947 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  UCD43019  Osmorhiza berteroi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 388 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET11132386  Osmorhiza berteroi F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  CDA12409  Osmorhiza occidentalis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8537 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CHSC79644  Osmorhiza occidentalis G. F. Hrusa; J. Glazner 1999-7-18 15238 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S 43434 N, 07418 E. 1889 Comment
  JEPS37275  Packera cana C. F. Sonne 1888-7-29 373 Placer <??>ardi Peak, on Truckee River Sierra Nevada Mountains, Truckee River 2590 Comment
  UCD22103  Paeonia brownii Rex Palmer 1979-6-20 N 347 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD34029  Panicum capillare subsp. hillmanii Beecher Crampton 1975-9-9 9281 Placer Placer County, Alta, Hwy. 80. 1188 Comment
  SACT001643  Panicum lindheimeri Josephine Van Ess 1980-6-20 Placer Collected on hillside east and south of parking area about .25 mile east of HIghway 49. Moist slope. 414.6 Comment
  SACT001647  Panicum pacificum Michael Baad 1976-8-4 Placer At end of Jeep road, 2 miles east of Talbot Camp Northeast of Mildred Ridge 1975.0 Comment
  CAS-BOT-BC258772  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CAS-BOT-BC258774  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  SACT001673  Paspalum urvillei Josephine Van Ess 1976-10-6 Placer Collected just east of Sisely Road. Wet roadside ditch Comment
  UCD75685  Pectiantia breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5134 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  JEPS71758  Pedicularis groenlandica Gladys L. Smith 1972-6-18 3140 Placer Alpine Meadows 2072 Comment
  CHSC11093  Pedicularis racemosa Lowell Ahart 1968-8-11 Placer French meadows. 1524 Comment
  CDA11927  Pedicularis semibarbata G. F. Hrusa, J. Dinsdale 1989-5-2 7064 Placer Sierra Nevada; Mosquito Ridge Rd, at intersection of spur to Placer Redwood Grove. Comment
  JEPS72227  Pedicularis semibarbata Gladys L. Smith 1972-6-19 3172 Placer Tahoe City 1901 Comment
  UCD21902  Pedicularis semibarbata Beth Lowe Corbin 1982-8-6 270 Placer About 1/2 mile west of Onion Creek campground. 1950 Comment
  CAS-BOT-BC67608  Pellaea bridgesii Alice Eastwood 1909-7-1 s.n. Placer Lake Tahoe region - Ward Pass Comment
  UC1794514  Pellaea bridgesii Ruth Kirkpatrick 2001-7-16 1063 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  CAS-BOT-BC77151  Pellaea mucronata subsp. mucronata C. D. MacNeill 1961-4-24 s.n. Placer Near Applegate 609 Comment
  UC1713523  Pellaea mucronata var. mucronata H. M. Hall 1916-6-20 Placer near Applegate (Pincrest); Seirra Nevada Mts 731 Comment
  UCD21907  Penstemon Rex Palmer 1979-6-19 N 271 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS16351  Penstemon azureus Peter H. Raven 1956-8-4 10001 Placer dirt road n Emigrant Gap; Sierra Nevada, n of Emigrant Gap 1493 Comment
  SEINET4560769  Penstemon azureus George K. Helmkamp, E. A. Helmkamp 2010-1 16670 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  POM44119  Penstemon azureus subsp. angustissimus Marcus E. Jones 1882-7-3 3437 Placer Colfax. Comment
  POM286723  Penstemon azureus subsp. azureus Lyman D. Benson 1932-7-31 4016 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  JEPS71732  Penstemon deustus Gladys L. Smith 1972-6-20 3227 Placer Ward Peak 2632 Comment
  UC565903  Penstemon deustus N. French 1934-6-22 439 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle Comment
  UCD21909  Penstemon deustus Rex Palmer 1979-6-21 N 374 Placer Headwaters basin area of the North Fork of the American River 2194 Comment
  JEPS71738  Penstemon heterodoxus Gladys L. Smith 1972-6-21 3195 Placer plateau about terminus of Summit chairlift, Ward Peak Ward Peak 2621 Comment
  UC887063  Penstemon heterodoxus A. A. Heller 1917-8-13 12921 Placer ridge nw of Donner Pass; nw of Donner Pass 2377 Comment
  RSA408085B  Penstemon heterodoxus M. V. Hood 1939-7-4 s.n. Placer Upper Soda Springs. Comment
  CAS-BOT-BC264487  Penstemon heterodoxus var. heterodoxus Betty J. Jorgensen 1944-7-23 532 Placer Near Soda Springs Comment
  JEPS29703  Penstemon heterophyllus var. purdyi Rimo Bacigalupi and L. R. Heckard 1962-5-26 8460 Placer along U.S. highway 40, 1 mi sw Clipper Gap; sw of Clipper Gap 487 Comment
  UCR233369  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  UCR233462  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18190 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  POM44112  Penstemon newberryi subsp. newberryi Marcus E. Jones 1982-6-28 s.n. Placer Emigrant Gap. Comment
  SEINET5329230 Image available Penstemon newberryi var. newberryi K. Thorne, Jody Chandler 1987-6-26 5436 Placer Truckee River; along river Comment
  CDA15754  Penstemon roezlii G. F. Hrusa, L. Serafini 1993-6-29 11255 Placer S side of French Meadows Reservoir immediately below dam. Comment
  SEINET4560774  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-1 16647 Placer Northern Sierra Nevada Mountains; Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill. 1384 Comment
  CAS-BOT-BC239583  Penstemon rydbergii var. oreocharis L. S. Smith 1926-6-23 1977 Placer Tahoe National Forest, Squaw Valley Mdw 1889 Comment
  CHSC74278  Penstemon rydbergii var. oreocharis Susi Urie 1998-9-2 98 -217 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  SCFS2387  Penstemon rydbergii var. oreocharis L. Hooker 1956-6-27 20 Placer Ca 3.7 mi past Montreal Rd on Hwy 89 S, in mdw to left of rd. 1829 Comment
  UCD162556  Penstemon rydbergii var. oreocharis Steve Matson 1998-6-21 262 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 meters north of Highway 267, east of logging road by lone pine tree. 1780 Comment
  UCD75746  Penstemon rydbergii var. oreocharis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5210 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the west of large off-road vehicle area. 2255 Comment
  RSA0070766  Pentagramma triangularis Elizabeth Flint 1930-1 87 Placer Near Penryn. 213 Comment
  CDA15974  Perideridia bolanderi G. F. Hrusa, J. Glazner 1999-7-17 15129 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCSB32267  Perideridia bolanderi Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UC875330  Perideridia bolanderi subsp. bolanderi Marcus E. Jones, A. M. 1882-6-28 3603 Placer Emigrant Gap Comment
  CHSC73911  Perideridia lemmonii Susi Urie 1998-8-26 98 -104 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 30 W']. 2121 Comment
  RSA751291  Perideridia lemmonii George K. Helmkamp, E. Helmkamp 2008-8-20 14032 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  SD7874  Persicaria amphibia Daniel Cleveland Aug 1873 Placer Truckee R., near Lake Tahoe Comment
  CAS-BOT-BC419153  Persicaria maculosa Catherine Best 1985-9-15 1151 Placer Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  UCD41458  Phacelia Ellen Dean; Davis Botanical Society 2003-5-17 1755 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main Street. 1066 Comment
  UCD120496  Phacelia hastata subsp. compacta G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12637 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCR246828  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16655 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UCD43241  Phacelia heterophylla C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 610 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS59366  Phacelia hydrophylloides Ezra Brainerd and Viola B. Baird 1915-7-25 115 Placer Garden of the Gods Sierra Nevada Mts., Deer Park 2133 Comment
  UC24386  Phacelia imbricata State Survey 1865-4-13 4580 Placer dry hills Newcastle Comment
  UCR219666  Phacelia imbricata subsp. imbricata George K. Helmkamp, E. A. Helmkamp 2010-6-26 16376 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UC881157  Phacelia marcescens Marcus E. Jones, A. M. 1882-6-27 3294 Placer Emigrant Gap Comment
  SD241060  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17857 Placer Northern Sierra Nevada Mountains: Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 miles NE (65a^z) of Emigrant Gap (Blue Canyon 7.5'Q) 484 Comment
  UC881016  Phacelia mutabilis Marcus E. Jones, A. M. 1882-6-30 2813 Placer Emigrant Gap Comment
  RSA0009550  Phacelia mutabilis Marcus E. Jones 1882-6-30 2813 Placer Emigrant Gap. Comment
  UCR240912  Phacelia racemosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19233 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  JEPS111161  Phacelia ramosissima var. ramosissima Steve Matson 2005-7-16 1394 Placer Tahoe west shore, technically just outside the Tahoe Basin, about 900 meters northwest of Barker Pass/PCT trailhead, just past where PCT crosses stream. 39.0800 N 120.2429 W; elevation 8,000 ft. 2438 Comment
  CHSC40961  Phacelia stebbinsii J. D. Jokerst 1984-6-19 2060 Placer Scattered on moss-covered portions of metamorphic bedrock outcrop that forms a spur ridge that parallels a small creek feeding into Long Canyon Creek from the north. Plants mostly west side of side creek. 1036 Comment
  UCD88773  Phalaris canariensis Collector Unknown 1925-5-29 2099 Placer Auburn. Comment
  CDA42826  Philadelphus lewisii G. F. Hrusa, M. Pitcairn 2015-7-16 18649 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  RSA0057761  Philadelphus lewisii N. H. French, A. E. Wieslander 1933-6-18 79 Placer Middle Fork, American River. 457 Comment
  SACT001736  Phleum alpinum Michael Baad 1976-8-7 Placer 2072.0 Comment
  UCD89344  Phleum alpinum R. Tofsrud 1951-7-11 s.n. Placer Ice Lake, 4 miles S of Soda Springs. Comment
  SACT001754  Phleum pratense Michael Baad 1976-8-4 Placer At end of jeep road. Eats of Mildred Ridge. 1975.0 Comment
  UC1124170  Phlox diffusa N. French 1934-6-17 417 Placer Lock Leven Lakes Tahoe National Forest, Truckee Quad. 2194 Comment
  UCD21969  Phlox diffusa Rex Palmer 1979-5-27 N 80 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA12402  Phlox gracilis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8530 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC30191  Phlox gracilis H. N. Bolander 1865-1 4508 Placer near Auburn Comment
  JEPS15393  Phoenicaulis cheiranthoides C. F. Sonne 1887-6 20 Placer Truckee River; Sierra Nevada Mountains, Truckee River Comment
  UC10402  Phoenicaulis cheiranthoides C. F. Sonne June 1887 Placer Truckee River; Sierra Nevada Mountains, Truckee River Comment
  UC856742  Phoenicaulis cheiranthoides Alice Eastwood Jun 15 1912-Jun 19 1912 367 Placer Lake Tahoe Region, Deer Park Deer Park; Lake Tahoe Region, Deer Park Comment
  CAS-BOT-BC135093  Phoradendron juniperinum Ira L. Wiggins 1930-10-12 5084 Placer near Cisco 1981 Comment
  UCD101968  Phoradendron juniperinum Rolf Y. Berg 1965-1-10 8373 Placer Emigrant Gap Area: Hwy. 20, 2 miles W of junction with Hwy. 40. Comment
  UCD33615  Phoradendron juniperinum Beecher Crampton 1970-11-10 8654 Placer Placer County, Nyack. 1524 Comment
  SEINET12230738  Phoradendron libocedri I. L. Wiggins 1930-1 5084 Placer near Cisco 1981 Comment
  UCD21481  Phyllodoce breweri Rex Palmer 1979-7-11 N 568 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR253539  Physalis lancifolia George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20087 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  JEPS7817  Physalis philadelphica Peter H. Raven 1954-8-27 7961 Placer Penryn; Sierra Nevada Comment
  SBBG128838  Physocarpus capitatus G. K. Helmkamp, E. A. Helmkamp 2010-10-16 17030 Placer Forest Route 24 at Parker Flat and beside Forbes Crk, 1.9 mi E (airline) of the Sugar Pine Reservoir dam 1180 Comment
  JEPS73151  Pinus albicaulis Gladys L. Smith 1972-8-25 3422 Placer summit area Granite Chief 2775 Comment
  UCD73854  Pinus attenuata Sue Nichol 2008-5-28 s. n. Placer Along Hwy 80. Southwest of Gold Run, on Magra Road northeast of Secret Town Road exit. Between Magra Road and the highway. 905 Comment
  CAS-BOT-BC78463  Pinus contorta subsp. murrayana Baki Kasapligil 1974-10-6 4912 Placer Soda Springs, Sugar Bowl 1828 Comment
  UC1134121  Pinus jeffreyi R. W. Lundh 1933-4-26 233 Placer 3 mi s Signal Peak; Colfax Quadrangle Comment
  SBBG24261  Pinus murrayana E. R. Blakley 1960-8-30 3798 Placer Lake Tahoe at mouth of Carnelian Crk 1905 Comment
  HSC89614  Pinus sabiniana Brent Helm, Curtis Miller, Mark Steiger 1988-3-28 33 Placer Shingle Springs, MDBM 1621 Shadydale Ln., Bulk Collection # 33a 457 Comment
  UCD34186  Pistacia atlantica Beecher Crampton 1977-9-30 9532 Placer Placer County, Applegate. Comment
  UCR146680  Pistacia atlantica Beecher Crampton 1972-9-28 8879 Placer Sacramento Valley, Applegate 579 Comment
  UC882301  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer ca 1 mi w Baxter Comment
  UCD120824  Plagiobothrys fulvus var. campestris M. H. Mills 1996-4-12 134 Placer Corner of Eden Oaks Circle and Walden Lane, Loomis. 180 Comment
  CHSC96469  Plagiobothrys greenei Lowell Ahart; Brian Williams 2007-4-13 13637 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UC79440  Plagiobothrys greenei Mrs. K. Brandegee May 1884 Placer Roseville Comment
  CAS-BOT-BC230942  Plagiobothrys hispidulus John Thomas Howell 1943-7-19 18581 Placer Summit Valley Comment
  CHSC82582  Plagiobothrys hispidulus Lowell Ahart 2002-7-22 9881 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  JEPS103534  Plagiobothrys hispidulus Lowell Ahart 2002-7-22 9881 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC881365  Plagiobothrys hispidulus A. A. Heller 1917-8-12 12877 Placer Southern Pacific Reservoir w Emigrant Gap; Southern Pacific Reservoir Comment
  CAS-BOT-BC230940  Plagiobothrys hispidulus John Thomas Howell 1938-8-2 14007 Placer 5 miles N of Brockway Comment
  CAS-BOT-BC230944  Plagiobothrys hispidulus Le Roy Abrams 1911-7-27 4770 Placer Lake Tahoe Region. Lake Valley 1950 Comment
  RSA0039279  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20282 Placer along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  UCR234015  Plagiobothrys undulatus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17255 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  SBBG122791  Plantago erecta B. Ertter, D. Thompson 1989-4-8 8157 Placer Iowa Crk Rd ca 2 mi from Interstate 80 at crk crossing near entrance to Auburn State Recreation Area 518 Comment
  CAS-BOT-BC516752  Plantago lanceolata George K. Helmkamp; Amy Barnes 2013-3-28 20295 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  RSA21993  Plantago lanceolata Kate Eastwood Phelps 1937-5-28 s.n. Placer Applegate. Comment
  UCD124575  Plantago lanceolata Amelie Blyth 1952-5-11 9- 1 Placer Near junction of north fork and middle fork of American River, near Auburn. Comment
  UCD21984  Plantago major Beth Lowe Corbin 1982-8-12 329 Placer Onion Creek campground. In sandy soil. Disturbed meadow near stream. Perennial. Inflorescence green. Full sun. SW facing slope, 5% incline. Common. 1841 Comment
  UCD43975  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1341 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44022  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1388 Placer Lake Tahoe Basin. Comment
  UC635444  Platystemon californicus Dorothy Tebbe 1930-4-5 94 Placer near Roseville; near Roseville Comment
  CAS-BOT-BC92246  Platystemon californicus Carl B. Wolf 1937-3-30 8352 Placer Sacramento Valley, 1.5 mile east of Lincoln on Penryn Road. 60 Comment
  JEPS5277  Plectritis ciliosa subsp. ciliosa R. E. Arp 1932-4-18 10 Placer Roseville Comment
  JEPS5126  Plectritis macrocera R. E. Arp 1932-4-18 8 Placer sent from Roseville Comment
  UC193029  Pleuricospora fimbriolata C. F. Sonne 1888-8-12 Placer on Truckee River Truckee River Comment
  UC635147  Pleuricospora fimbriolata Elizabeth Morse 1927-6-10 Placer Lake Tahoe Comment
  UC1137074  Poa August L. Hormay 1933-5-24 Placer foothills w of Auburn Comment
  UCD160962  Poa G. Ledyard Stebbins 1978-5-29 78105 Placer Above Rubicon (River?). [Probably in vicinity of Ralston Ridge based on other collections made on this date.] Comment
  SACT001780  Poa annua D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  CAS-BOT-BC254761  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer Along the Yuba River below Cisco 1676 Comment
  SACT001806  Poa bolanderi D. Meyer 1983-10-22 Placer Searchlight ski run from base to Olympic Lady chairlift. 2121.0 Comment
  UCD21589  Poa bolanderi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1252 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  SEINET10659108  Poa bolanderi A. Arthur Heller 1917-6-17 Heller 12701 Placer Low, gravelly places along the Yuba River below Cisco. Pinus Murrayana and Populus trichocarpa are the trees, several species of willow plentiful. Granite. 1676 Comment
  CAS-BOT-BC255143  Poa cusickii subsp. epilis John Thomas Howell 1943-7-22 18713 Placer Summit Valley Comment
  SACT001848  Poa gracillima Michael Baad 1983-9-3 Placer Collected on trail from Spitz Inn to western slope of Mount Judah near summit. 2286.0 Comment
  SACT001857  Poa incurva Michael Baad 1983-8-21 Placer Collected on road 3.84 km southwest of Soda Springs exit off Interstate 80. 2019.0 Comment
  CAS-BOT-BC246865  Poa nervosa John Thomas Howell 1943-7-26 18857 A Placer Between Sugar Bowl and Norden Comment
  CHSC74173  Poa palustris Susi Urie 1998-8-25 98 -097 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SACT001890  Poa palustris D. Meyer 1984-8-26 Placer 1818.0 Comment
  SACT001891  Poa palustris D. Meyer 1984-7-21 Placer 5.1 km north of Tahoe City 1879.0 Comment
  CDA16982  Poa pratensis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16035 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SACT001918  Poa pratensis D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT001921  Poa pratensis D. Meyer 1983-8-20 Placer Moist roadside meadow, some revegetation following residential construction. 2000.0 Comment
  SACT001929  Poa pratensis D. Meyer 1984-9-9 Placer Collected at east fork of north fork of north fork of american river 1394.0 Comment
  SACT001936  Poa pratensis D. Meyer 1984-7-15 Placer 8.2 km from Serene Lakes 1909.0 Comment
  UCD91920  Poa pratensis George Kerley 1965-12-14 89 Placer near Loomis. Ophir Hill Road. 365 Comment
  UC1132706  Poa pratensis subsp. pratensis H. S. Yates 1934-6-29 3884 Placer near Brockway; Tahoe Nat'l Forest, Truckee Quadrangle Comment
  UC1132722  Poa pratensis subsp. pratensis G. T. Nordstrom 1934-6-21 140 Placer Mammoth Springs; Tahoe Nat'l Forest, Colfax Quadrangle Comment
  UCD43218  Poa pratensis subsp. pratensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 587 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET10954309  Poa sandbergii A. Arthur Heller 1917-8-13 Heller 12917 Placer Ridge Northwest of Donner Pass on a steep gravelly slope below a ledge of igneous rock, the neighhboring forest composed of Ables magnifica. 2377 Comment
  SACT001980  Poa scabrella Michael Baad 1983-5-7 Placer 2 miles east of Colfax rocky opening disturbed area. 978.0 Comment
  SACT001981  Poa scabrella Michael Baad 1983-5-7 Placer 2 miles east of Colfax rocky opening disturbed area. 978.0 Comment
  SACT001989  Poa scabrella Michael Baad 1977-6-8 Placer 3.2 km northeast of Brushy Springs Station, ridge northeast of center of crater area. Overlooking the south rim of the Middle Fork of the American River. 1219.2 Comment
  SACT002010  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002011  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  UCD22234  Poa secunda subsp. juncifolia Rex Palmer 1979-6-21 N 409 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD92248  Poa secunda subsp. juncifolia Beecher Crampton 1967-7-26 8153 Placer Near Nevada County line in Kingvale on Interstate 80. 1950 Comment
  UC821093  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  UCD36649  Poa secunda subsp. secunda Beecher Crampton 1955-6-15 2856 Placer 3 miles E of Weimar, head of Bunch Canyon, on Forest Hills Road, just off US Hwy 40. Comment
  UCD90792  Poa secunda subsp. secunda Beecher Crampton 1955-6-15 2860 Placer 3 miles east of Weimar, on Forest Hill Road, just off US Hwy 40. Comment
  UCD91645  Poa secunda subsp. secunda John Thomas Howell 1943-7-21 18638 Placer Donner Pass to Mt. Lincoln. Comment
  UCD91594  Poa wheeleri P. B. Kennedy 1901-7-18 176 Placer near summit of Mt. Lola. Comment
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Jan 6 2015
  UCD44491  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1857 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44495  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1861 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA36886  Pogogyne serpylloides CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CAS-BOT-BC231287  Polemonium pulcherrimum Sherman Chickering 1974-1-1 s.n. Placer On the crest of the Sierra above Soda Springs Comment
  CAS-BOT-BC167538  Polygala cornuta var. cornuta L. S. Smith 1925-8-13 1705 Placer Tahoe National Forest. Gold Dollar Mine Trail to Pine Nut 1828 Comment
  CAS-BOT-BC170306  Polygala cornuta var. cornuta W. R. Dudley 1909-8-1 s.n. Placer Monte Vista, Dutch Flat Comment
  JEPS43023  Polygala cornuta var. cornuta L. S. Smith 1925-8-13 1705 Placer Gold Dollar Mine trail to Pine Nut (e slope); Tahoe National Forest 1828 Comment
  UC1130351  Polygala cornuta var. cornuta N. French 1934-6-15 410 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UC868233  Polygala cornuta var. cornuta Marcus E. Jones, A. M. 1882-7-3 3316 Placer Colfax Comment
  RSA606205  Polygonum R. S. Woglum 1934-08 1311 Placer Northern Sierra Nevada Mountains: Lake Tahoe [Placer/El Dorado counties]. Comment
  CAS-BOT-BC414390  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer Near Sheridan 38 Comment
  CAS-BOT-BC414392  Polygonum californicum Mrs. H. P. Bracelin 1930-10-12 97 Placer 5 miles N. of Placerville. On road to Coloma Comment
  UCD44483  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1849 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET4338949  Polygonum douglasii B. Crampton 1955-7-13 3015 Placer Bear Valley, along State Hwy 20, 1.5 mile north of Emigrant Gap 1372 Comment
  RSA466396  Polygonum hydropiper Wm. Martin 1971-9-10 20225 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CAS-BOT-BC418581  Polygonum minimum John H. Thomas; Hazelle A. Thomas 1956-7-21 6179 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SD102787  Polygonum phytolaccifolium Darley F. Howe 1978-7-15 Placer Along state highway 20, 27 miles west of Truckee 1584 Comment
  UCD42814  Polygonum polygaloides subsp. confertiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 180 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC419862  Polygonum polygaloides subsp. confertiflorum M. S. Jussel 1928-6-25 s.n. Placer Fish Hatchery Comment
  CAS-BOT-BC420030  Polygonum polygaloides subsp. kelloggii Marcus E. Jones 1882-7-11 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC420034  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1909-1-1 27 Placer Lake Tahoe Region. Sunnyside Comment
  CHSC74247  Polygonum polygaloides subsp. kelloggii Susi Urie 1998-9-4 98 -255 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on the north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC420032  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1963-7-11 39831 Placer Near Chambers Lodge, Tahoma 1915 Comment
  UC570254  Polygonum shastense N. French 1934-6-22 470 Placer 1/2 mi w Lake van Norden; Tahoe National Forest 2286 Comment
  SACT001569  Polypogon australis D. Meyer 1984-6-17 Placer near 20350 Margaret Ann Drive 545.0 Comment
  SACT002028  Polypogon maritimus D. Meyer 1984-6-23 Placer Intersection of Iowa Hill Road and the American River, rocky riverbank. 978.0 Comment
  SACT002033  Polypogon monspeliensis D. Meyer 1984-8-12 Placer 16km from French Meadows, dry roadside. 1612.0 Comment
  SACT002035  Polypogon monspeliensis Josephine Van Ess 1976-5-12 Placer Collected at curve near south end of Bankhead Road. Dried up ditch. 103.0 Comment
  SACT002037  Polypogon monspeliensis Josephine Van Ess 1972-6-11 Placer Collected on Seven Cedars Road. Low, moist area. Comment
  RSA693277  Polystichum lonchitis Fay A. MacFadden 1934-7-2 s.n. Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  SEINET9365631  Populus balsamifera Unknown 1961-9-27 6016 Placer 1 mi W of Cisco Grove. Banks of a stream. Comment
  CAS-BOT-BC102698  Populus tremuloides Mrs. Bliss 1923-4-20 s.n. Placer Tahoe City Comment
  CAS-BOT-BC102699  Populus tremuloides C. B. Wolf 1931-9-10 2420 Placer near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  SEINET10972537  Porterella carnosula F. W. Hunnewell 1921-7-17 Hunnewell 8087 Placer Comment
  POM296430  Potamogeton gramineus Lyman Benson 1932-7-31 4013 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  CHSC72886  Potentilla glandulosa subsp. ashlandica L. P. Janeway; Eric Schroder 1998-7-13 5746 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CDA11990  Potentilla glandulosa subsp. glandulosa G. F. Hrusa 1995-5-2 12171 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CAS-BOT-BC158436  Potentilla glaucophylla var. glaucophylla L. S. Smith 1925-6-27 1659 Placer Tahoe National Forest. Tahoe Camp Ground & Ward Cr. 1905 Comment
  UCD22275  Potentilla gracilis Rex Palmer 1979-7-11 N 535 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS111220  Potentilla gracilis var. elmeri Steve Matson 2005-6-15 1284 Placer Martis Valley, ca 3 miles southeast of Truckee, north of 267, just west of Martis Creek; 39.3030 N, 120.1209 W; Elevation 5840 ft. 1780 Comment
  CHSC74256  Potentilla gracilis var. fastigiata Susi Urie 1998-9-3 98 -231 Placer Lake Tahoe Basin. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  POM366580  Potentilla gracilis var. fastigiata Bonnie C. Templeton 1930-7-5 1518 Placer Near Meek's Bay, Lake Tahoe. 2250 Comment
  UCR229457  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17895 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  CAS-BOT-BC540401  Potentilla gracilis var. fastigiata W. R. Dudley 1900-6-29 s.n. Placer Near Tahoe City Comment
  JEPS59374  Potentilla gracilis var. fastigiata Ezra Brainerd and Viola B. Baird 1915-7-10 122 Placer roadside Deer Park Sierra Nevada, Deer Park 1889 Comment
  CAS-BOT-BC520326  Poterium sanguisorba var. sanguisorba George K. Helmkamp; E. A. Helmkamp 2012-6-19 19214 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Rd, 2.6 mi E of its jct with Mosquito Ridge Rd in Forest Hill 1051 Comment
  SCFS1050  Primula suffrutescens E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  UC570339  Primula suffrutescens B. Bolt 1934-7-12 110 Placer Snow Mountain; Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  SEINET4691680  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-1 17029 Placer Northern Sierra Nevada Mountains Foothills: along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam. 1180 Comment
  CAS-BOT-BC158581  Prunus John H. Thomas; Hazelle A. Thomas 1956-7-21 6124 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC163055  Prunus emarginata Mrs. Chas. E. Miller 1916-9-1 s.n. Placer Emigrant Gap Comment
  UC484003  Prunus emarginata Carl B. Wolf 1930-10-11 1728 Placer 4 mi w of Emigrant Gap 1524 Comment
  UC1128496  Prunus subcordata J. E. Sowder, R. W. Lundh 1933-4-10 25 Placer North East Colfax Hill 853 Comment
  SD260907  Pseudognaphalium beneolens George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19805 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill (Duncan Peak 7.5'Q) 1677 Comment
  JEPS34003  Pseudognaphalium stramineum W. H. Shockley Jun 1886 Placer Auburn Comment
  UC1351095  Pseudotsuga menziesii E. Fritz 1936-1-28 8209 Placer Comment
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Jul 9 2015
  UCR232644  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2011-9-30 18346 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  SEINET5334817  Pseudotsuga menziesii var. menziesii T. Kerstetter 1956-4-16 s.n. Placer U.S. hwy. 40, 1 mi. west of Baxter 1067 Comment
  UC177450  Psilocarphus brevissimus var. brevissimus unknown Jun 1884 Placer Auburn Comment
  CAS-BOT-BC460524  Pterospora andromedea Alice Eastwood 1912-6-15 478 Placer Lake Tahoe Region: Deer Park Comment
  JEPS59377  Pterospora andromedea Ezra Brainerd and Viola B. Baird 1915-7-28 125 Placer Bear Rock along trail of the Truckee River 1920 Comment
  SEINET12528640 Image available Pterospora andromedea A. P. Kelley 1925-1 833 Placer Tahoe Tavern. Comment
  UCD113259  Purshia tridentata Beecher Crampton 1975-9-22 9289 Placer Martis Valley, Truckee-Tahoe airport area, ca. 2.5 miles SE of Truckee. Comment
  RSA670410  Pyrola asarifolia B. C. Templeton 1931-7-5 1517 Placer near Meek's Bay. 2280 Comment
  JEPS126345  Pyrola asarifolia subsp. asarifolia Steve Matson 1997-7-1 112 Placer Tahoe north shore; Snow Creek water shed, Tahoe Vista/Kings Beach; West Fork Snow Creek about 300 yards NW of pond. Comment
  CDA16038  Pyrola picta G. F. Hrusa, J. Glazner 2000-9-3 15675 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  JEPS126342  Pyrola picta Steve Matson 1998-7-28 350 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; above West Fork of Snow Creek. Comment
  UCD21918  Pyrola picta Beth Lowe Corbin 1982-8-2 154 Placer Onion Creek campground. In deep, partially decomposed duff beneath Calocedrus decurrens, in mixed Conifer forest. Perennial herb with long, slender rootstock. Leaves firm, somewhat fleshy. Flowers unopened, greenish white. Leaves with white markings along veins. Full shade. South facing slope. Uncommon. 1841 Comment
  UCD22163  Pyrola picta Rex Palmer 1979-7-25 N 805 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC466090  Pyrola picta Margaret Williams 1974-8-8 74 -P1-21 Placer Sierra Nevada. Murphy's Meadow, 5 miles SE of Hirschdale 2316 Comment
  CAS-BOT-BC466092  Pyrola picta J. C. Hawver 1912-9-7 s.n. Placer Cisco Comment
  CAS-BOT-BC466094  Pyrola picta Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Lake Tahoe Region: Madden Creek Comment
  SACT002678  Quercus Josephine Van Ess 1976-8-4 Placer Collected along small roadside stream just in side park on Newcastle Road. Small tree amoung other oaks. Shady canyon. 176.8 Comment
  CAS-BOT-BC62426  Quercus chrysolepis Miss. A. Eastwood 1894-9-1 s.n. Placer Colfax Comment
  SJSU10143  Quercus chrysolepis A. W. Jacobs 1936-9-4 Placer E side of narrow gulch 1 mi NE of Colfax 762 Comment
  CAS-BOT-BC62721  Quercus chrysolepis Marian L. Campbell 1921-7-26 s.n. Placer Grelaud's Place, Sacramento River Comment
  CAS-BOT-BC86612  Quercus douglasii Alice Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  CDA12007  Quercus durata G. F. Hrusa 1995-5-2 12188 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  UC405479  Quercus durata W. W. Mackie 1904-4 Placer Newcastle Comment
  RSA758204  Quercus kelloggii Doug Goldman 2004-12-24 3008 Placer Tahoe National Forest. East side of Mosquito Ridge Road (Forest Road 96), 0.6 miles southwest of the bridge over the North Fork of the Middle Fork of the American River., About 10.1 miles east of the intersection of Road 96 and Forest Hill Road in Forest Hill. 473 Comment
  SACT002133  Quercus kelloggii Michael Baad 1977-4-13 Placer 0.2 miles north of Interstate 80; ecotone between pine forest and chaparral 502.92 Comment
  SEINET12030462  Quercus kelloggii Unknown 1936-1 s.n. Placer Chicken Hawk Camp Comment
  SBBG58963  Quercus vacciniifolia A. Lefebure 1941-8-18 633 Placer Brockway, Lake Tahoe 1981 Comment
  SD6105  Quercus vacciniifolia Unknown 1914-6-1 Placer Cisco Comment
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Jul 11 2010
  UC1135812  Quercus vacciniifolia R. W. Lundh 1933-4-26 232 Placer 3 mi s Signal Peak; Tahoe National Forest, Colfax Quad. 1828 Comment
  UCD150764  Quercus vacciniifolia James A. Neilson Jr. 1970-10-1 1891 Placer Tahoe Basin, North Ward Valley. 2103 Comment
  SACT002715  Quercus vacciniifolia Michael Baad 1983-7-10 Placer 0.8 mile by road southeast of east fork of north fork of north fork of American River on road to Hellister Point from Emigrant Gap. Comment
  SEINET10437613  Quercus vacciniifolia P. A. Lehenbauer, L. R. Miller, J. R. H, B. W. 1929-8-15 1389 Placer Lake Tahoe, Carnelian Bay. Comment
  SACT002726  Quercus wislizeni Michael Baad 1977-4-13 Placer 0.2 mile north of highway I80. Ecotone between pine forest and chaparral. 502.92 Comment
  UCD64109  Quercus wislizeni var. wislizeni G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11710 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  CAS-BOT-BC379277  Ranunculus alismifolius var. alismellus John H. Thomas; Hazelle A. Thomas 1956-7-21 6086 Placer Sierra Nevada; vicinity of Donner Pass, about 80 mi northeast of Sacramento 0000000000000000000000000 2377 Comment
  JEPS59413  Ranunculus alismifolius var. alismellus Ezra Brainerd and Viola B. Baird 1915-7-15 132 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  CAS-BOT-BC379281  Ranunculus alismifolius var. alismellus John Thomas Howell 1943-7-26 18843 Placer Mt. Lincoln Comment
  CAS-BOT-BC379390  Ranunculus alismifolius var. hartwegii A. A. Heller; P. B. Kennedy 1907-7-9 8792 Placer Prattville Comment
  CAS-BOT-BC379392  Ranunculus alismifolius var. hartwegii Mrs. Jos. Clemens 1915-7-7 s.n. Placer near the summit of soapstone ridge in the Sierra Nevada, 12 mi west of Bucks 1676 Comment
  CAS-BOT-BC379394  Ranunculus alismifolius var. hartwegii Alice Eastwood 1909-1-1 130 Placer Ward Creek Comment
  CAS-BOT-BC379440  Ranunculus alismifolius var. hartwegii Lillian S. Mott 1968-4-28 1968 Placer Bear Valley Comment
  CAS-BOT-BC379442  Ranunculus alismifolius var. hartwegii Gordon H. True 1972-4-4 7094 Placer Boca-Stampede Dam Road, 5.2 mi north of Boca 1768 Comment
  UCD162516  Ranunculus aquatilis var. diffusus Steve Matson 2007-8-20 1704 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, in Martis Creek near Martis reservoir. 1780 Comment
  CDA24300  Ranunculus aquatilis var. hispidulus H. R. Danielson 1962-4-28 Placer Highway 99E to Lincoln, ca. 5 miles north of Roseville. 0 Comment
  UCD95798  Ranunculus canus Beecher Crampton 1977-4-3 9468 Placer 3.5 miles north of Auburn at Elder's Corner. Comment
  UC9442  Ranunculus hebecarpus H. N. Bolander 1865-4-16 4575 Placer Forest Hill Comment
  RSA734059  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sunnybrook Farms, 2 miles North of Lincoln. Comment
  UCD35915  Ranunculus muricatus B. Crampton 1953-4-21 1117 Placer Sunnybrook Farms, 2 miles North of Lincoln. Comment
  UCD96231  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sunnybrook Farms, 2 miles North of Lincoln. Comment
  CDA19566  Ranunculus occidentalis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 224 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UC9356  Ranunculus occidentalis C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UCR208589  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14665 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  UCSB22651  Ranunculus occidentalis Orr, K. 1966-4-5 Placer Along Goldrun Rd., 1.2 mile northeast of Interstate 80, Sierra Nevada foothills 1066 Comment
  POM100033  Ranunculus occidentalis var. ultramontanus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UCD44722  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2088 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD44729  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2095 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  RSA654889  Rhamnus alnifolia G. Fred Hrusa, J. Glazner 1997-8-3 14032 Placer Corner of Hwy 89 and Squaw Valley Road. 2000 Comment
  UCD36696  Rhamnus ilicifolia Beecher Crampton 1955-6-15 2871 Placer Head of Bunch Canyon, 0.5 mile south of U.S. Highway 40. Comment
  POM85013  Rhamnus purshiana Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UC1121762  Rhamnus tomentella subsp. tomentella N. French, R. Clar 1933-6-2 64 Placer near Clipper Gap; Sacramento Quad. 609 Comment
  UC870861  Rhamnus tomentella subsp. tomentella A. A. Heller 1917-6-16 12680 Placer near Dutch Flat 914 Comment
  UCR200856  Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2008-9-15 14099 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  SEINET2029693 Image available Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer Meier Ranch, about 6 miles north of Colfax 762 Comment
  UC178746  Ribes Katharine Brandegee 1914-1 Placer Ellis Meadows North Sierra National Forest Comment
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Dec 11 2014
  UC466048  Ribes C. F. Sonne June 1896 1569 Placer Fowler Deer Creek Comment
  CAS-BOT-BC438104  Ribes Saichi Kawahara 1969-5-24 848 Placer Near garden, Henderson Ranch, Indian Creek 1005 Comment
  CAS-BOT-BC108703  Ribes cereum Frances I. Price 1919-6-1 s.n. Placer Fallen Leaf Lake. 1889 Comment
  CDA13668  Ribes inerme var. inerme G. F. Hrusa, J. Glazner 1997-8-3 14028 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UC191456  Ribes inerme var. inerme C. F. Sonne 1885-5-19 Placer near Mill pond (on Tahoe road); Truckee Comment
  UCD43893  Ribes inerme var. inerme C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1259 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  HSC103190  Ribes lasianthum Jade Paget-Seekins 2010-7-18 48 Placer Mountains west of Lake Tahoe, up Forest Route 3 past the Ellis Peak trailhead, left onto road toward Miller Meadows. 2228 Comment
  HSC103235  Ribes montigenum Jade Paget-Seekins 2010-7-19 49 Placer Mountains west of Lake Tahoe, up Forest Route 3 past the Ellis Peak trailhead, left onto road toward Miller Meadows. 2280 Comment
  CAS-BOT-BC219174  Ribes nevadense A. A. Heller 1909-7-16 9832 Placer Summit 2133 Comment
  UCD38502  Ribes nevadense Beecher Crampton 1955-7-13 3009 Placer Blue canyon. 1432 Comment
  UCD41252  Ribes nevadense Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1708 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 2.5 road miles from Main St. 1066 Comment
  UC1127574  Ribes roezlii N. French 1933-9-14 103 Placer Greek Store Tahoe National Forest, Colfax Quadrangle Comment
  RSA0018266  Ribes roezlii J. H. Nishida 1985-7-10 777 Placer Homewood. 1829 Comment
  CAS-BOT-BC186207  Ribes roezlii var. roezlii J. H. Thompson 1906-7-1 s.n. Placer Fallen Leaf Lake near Lake Tahoe 2042 Comment
  CAS-BOT-BC168770  Ribes viscosissimum L. S. Smith 1925-9-16 1735 Placer Blackwood Canyon Sec. 4 along road 1981 Comment
  CAS-BOT-BC168774  Ribes viscosissimum A. A. Heller 1909-7-16 9847 Placer Summit 2133 Comment
  UCD22337  Ribes viscosissimum Beth Lowe Corbin 1982-8-4 247 Placer 1 mile NE of Onion Creek campground. Along streambed in White Fir forest. In conifer litter over fine, sandy, granitic soil. Shrub about 3' high with glandular foliage. Flowers whitish. Foliage aromatic. Partial sun. South facing slope, 20% incline. Uncommon. 1920 Comment
  UC35862  Rigiopappus leptocladus H. N. Bolander 1865-1 4569 Placer Newcastle Comment
  SEINET10939976  Robinia pseudoacacia Mary Susan Taylor 1975-5-10 Taylor 574 Placer Ca. 2 mi S of Auburn on Hwy 49, at bridge over American River, ca. 40 ft E of the bridge on N side of road; with Tunica prolifera, Toxicodendron diversilobum, Plantago lanceolatum. With Kevin Marsh. 213 Comment
  JEPS59381  Rorippa Ezra Brainerd and Viola B. Baird 1915-7-22 129 Placer along r.r. near Bear Rock (Truckee Valley); Sierra Nevada Mts., Truckee Valley 1889 Comment
  UCR233393  Rorippa curvipes var. truncata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18167 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  JEPS126396  Rorippa curvisiliqua Steve Matson 2002-5-26 521 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  JEPS53836  Rorippa curvisiliqua W. H. Shockley June 1886 Placer Auburn Comment
  JEPS103349  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-7-22 9882 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  CAS-BOT-BC146868  Rosa rubiginosa H. K. Wagnon; T. C. Fuller 1964-5-18 11986 Placer S. of R.R. tracks, e. of Dutch Flat Rd., Alta Comment
  CAS-BOT-BC146869  Rosa rubiginosa Saichi Kawahara 1969-5-24 841 Placer North side of bend on Colfax-Iowa Hill Road, 1 mile west of Iowa Hill 865 Comment
  CAS-BOT-BC147019  Rosa woodsii subsp. ultramontana W. R. Dudley 1909-8-23 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  UCR191088  Rubus glaucifolius George K. Helmkamp, E. A. Helmkamp 2007-6-12 12321 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  SEINET4691695  Rubus parviflorus George K. Helmkamp, E. A. Helmkamp 2010-1 16787 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill road and just south of a creek crossing. 1552 Comment
  SEINET11910807  Rubus parviflorus J. H. Nishida 1985-1 788 Placer Homewood 1829 Comment
  POM303011  Rubus parviflorus var. bifarius L. S. Rose 1944-7-25 44259 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UCD17696  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 22 A Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  UCD43035  Rumex paucifolius C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 404 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC433759  Rumex pulcher W. A. Weber; Lewis S. Rose 1953-5-19 8389 Placer 5 mi. n. of Roseville on road to Lincoln 45 Comment
  CAS-BOT-BC267072  Sagittaria L. R. Abrams 1917-9-15 6761 Placer 3-5 miles above Auburn Comment
  CAS-BOT-BC103605  Salix eastwoodiae W. R. Dudley 1900-6-14 5056 Placer Road from Donner Lake to Summit Comment
  UC1134856  Salix eastwoodiae B. Bolt 1934-7-12 102 Placer Snow Mt.; Tahoe Nat'l Forest, Truckee Quadrangle Comment
  UCD22313  Salix eastwoodiae Rex Palmer 1979-7-11 N 552 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD110810  Salix geyeriana E. L. Smith 1965-6-7 676 Placer Martis Valley, 6 miles southeast of Truckee. 1828 Comment
  CDA39533  Salix gooddingii H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 Comment
  CAS-BOT-BC108206  Salix hindsiana Peter H. Raven 1954-8-27 7959 Placer Along a ditch, Penryn - Sierra Nevada Comment
  UCD22310  Salix jepsonii Rex Palmer 1979-6-20 N 312 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22311  Salix jepsonii Rex Palmer 1979-6-20 N 314 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA16978  Salix laevigata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16032 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC477572  Salix lasiandra subsp. lasiandra L. S. Smith 1931-8-28 2630 Placer below Chalk Bluff crossing (Middle Fork American R.); Tahoe Nat'l Forest, Middle Fork American R. Comment
  CHSC9640  Salix lasiolepis E. L. Smith 1971-7-27 1011 Placer W end of Putt Reservoir just e of Blue Canyon Road ca. 2 mi w of Emigrant Gap. 1706 Comment
  CHSC9641  Salix lasiolepis E. L. Smith 1971-7-27 1012 Placer W end of Putt Reservoir just e of Blue Canyon Road ca. 2 mi w of Emigrant Gap. 1706 Comment
  UCD111642  Salix lasiolepis Michael Persichetty 2007-6-5 1 Placer Alta. North side of Spaulding Point. 1219 Comment
  CAS-BOT-BC124750  Salix lemmonii W. R. Dudley 1900-6-14 5078 Placer Grade between Donner Lake and Summit Comment
  CAS-BOT-BC124752  Salix lemmonii A. A. Heller 1917-6-17 12688 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124754  Salix lemmonii W. R. Dudley 1900-6-14 5065 Placer Between Donner Lake and Summit on loop grade Comment
  CAS-BOT-BC124760  Salix lemmonii A. A. Heller 1917-6-17 12721 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124762  Salix lemmonii W. R. Dudley 1900-6-14 5079 Placer Grade between Donner Lake and Summit Comment
  CAS-BOT-BC124764  Salix lemmonii W. R. Dudley 1900-6-29 5796 Placer near Tahoe City Comment
  CAS-BOT-BC124775  Salix lemmonii W. R. Dudley 1900-6-14 5065 a Placer Between Donner Lake and Summit on loop grade Comment
  CHSC74123  Salix lemmonii Susi Urie 1998-8-13 98 -025 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC9584  Salix lemmonii E. L. Smith 1971-6-16 958 Placer In meadow at Tahoe Vista, e city limits near King's Beach. 580 Comment
  UCD43267  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 635 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET11957674  Salix lemmonii E. L. Smith 1971-1 954 Placer Yuba Gap, 7 km E of Emigranat Gap 1770 Comment
  RSA28828  Salix ligulifolia A. A. Heller 1917-6-19 12733 Placer Emigrant Gap. 1616 Comment
  POM362680  Salix lucida subsp. lasiandra Glenn A. Gorelick 1965-8-21 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC129518  Salix melanopsis F. A. M. 1934-7-28 12864 Placer Stream, 15 miles from Auburn on Placerville Road Comment
  POM107065  Salix melanopsis Marcus E. Jones 1882-6-28 3486 Placer Emigrant Gap. Comment
  CAS-BOT-BC125810  Salix orestera W. R. Dudley 1900-6-14 5133 Placer Valley northwest of Lake Mary, near Summit Comment
  CAS-BOT-BC129088  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer Along the Yuba river below Cisco 1676 Comment
  CAS-BOT-BC129089  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer Along the Yuba river below Cisco 1676 Comment
  UC1135083  Salix scouleriana B. Bolt 1934-8-13 168 Placer e. slope of Red Star Ridge; Tahoe Nat'l Forest, Truckee Quad. Comment
  JEPS16331  Sambucus mexicana Peter H. Raven 1956-8-4 9989 Placer Blue Canyon Sierra Nevada 1432 Comment
  JEPS72388  Sambucus racemosa var. microbotrys Gladys L. Smith 1972-6-20 3273 Placer along road just above Ward Summit Chairlift 2164 Comment
  UCD44485  Sambucus racemosa var. microbotrys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1851 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC235189  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  CAS-BOT-BC235191  Sambucus racemosa var. racemosa L. S. Smith 1926-6-8 1894 Placer Tahoe National Forest. English Mt. Ridge above Meadow Lake 2286 Comment
  SD243198  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17017 Placer Northern Sierra Nevada Mountains Foothill: Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 947 Comment
  UCR235488  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2012-5-5 18933 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  SD248316  Sanicula crassicaulis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20806 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's road, 3.6 miles northwest of its junction with Forest Hill Road. 768 Comment
  UC147638  Sanicula graveolens Harriet A. Walker 1908-6-23 1239 Placer Blue Canyon 1432 Comment
  UC174164  Sanicula graveolens C. F. Sonne 1886-6-6 Placer Sierra Nevada Mountains, road to Tahoe Sierra Nevada Mountains Comment
  UC875487  Sanicula graveolens Lewis S. Rose 1940-6-2 40459 Placer 10 mi n of Tahoe City (Truckee River); Truckee River 1828 Comment
  SD247300  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19246 Placer Northern Sierra Nevada Mountains: Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road. 2040 Comment
  SEINET5779691 Image available Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Chambers Lodge (McKinney), Lake Tahoe Comment
  UC662617  Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Lake Tahoe, Chambers Lodge (McKinney) Lake Tahoe; , Chambers Lodge 1900 Comment
  UCD128045  Sanicula tuberosa G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12062 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 Comment
  UCD117994  Sarcodes sanguinea C. J. W. 1913-7-2 162 Placer Emigrant Gap. Comment
  CAS-BOT-BC436848  Saxifraga Saichi Kawaha 1969-7-6 1459 Placer Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  CAS-BOT-BC436849  Saxifraga G. Earnhart 1961-3-18 10 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  POM308716  Saxifraga aprica Betty J. Jorgensen 1944-6-24 492 Placer Cascade Lakes about 6 miles SW of Soda Springs. Comment
  POM141734  Saxifraga bryophora C. F. Sonne 1897-7-18 s.n. Placer [Above ?], Truckee. Comment
  SEINET12220592  Saxifraga bryophora C. F. Sonne 1884-1 s.n. Placer above Coldstraw Comment
  JEPS82986  Saxifraga californica G. L. Stebbins 1970-4-4 6989 Placer 1/2 mi e of crossing of North Fork (American River, Shirttail Canyon, on road from Colfax to Forest Hill); American River, Shirttail Canyon 457 Comment
  UC73127  Saxifraga californica Milo S. Baker 1900-2-11 Placer near Auburn Comment
  UCR208271  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2009-5-7 14637 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  SEINET3161168  Saxifraga integrifolia W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  JEPS47489  Saxifraga odontoloma C. F. Sonne 1886-8-6 91 Placer canyon above Coldstream; Sierra Nevada Mountains Comment
  UC186747  Saxifraga oregana C. F. Sonne 1884-8-24 Placer above Coldstream Comment
  UCR231882  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2011-4-10 17138 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCR238587  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2012-3-31 18664 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing 258 Comment
  SJSU8159  Sceptridium multifidum R. L. Fisher 1959-8-12 Placer near pond, 2 mi W of Lake Van Norden 1981 Comment
  JEPS73222  Scirpus congdonii Gladys L. Smith 1972-8-25 3437 Placer meadow below cirque n face Granite Chief; n face Granite Chief 2575 Comment
  CAS-BOT-BC243507  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 miles north of Lincoln Comment
  JEPS11416  Scrophularia californica subsp. floribunda R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln Comment
  RSA88136  Scrophularia californica var. desertorum J. T. Howell 1951-6-28 27679 Placer Jamison Creek. 1585 Comment
  JEPS62899  Scutellaria californica Leland S. Smith 1925-7-14 1670 Placer Middle Fork American River, French Meadows Middle Fork American River; Tahoe National Forest, , French Me Comment
  UCD83591  Scutellaria californica Albert Grigarick 2009-8-7 160 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1959 Comment
  JEPS26922  Sedum obtusatum C. H. Uhl 1961-5-28 961 Placer crevices in granite ca 100 yds s of U.S. 40 at Donner Pass Summit (behind hiway maintenance shed, just sw of Nevada Co. line) 2164 Comment
  RSA0074845  Sedum obtusatum Lyman Benson 1933-6-26 4537 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  CAS-BOT-BC64212  Sedum obtusatum subsp. obtusatum Mrs. C. E. Miller 1916-8-1 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC59070  Sedum spathulifolium Charles von Geldern 1912-5-1 s.n. Placer Cedar Glen Comment
  UCD102080  Sedum spathulifolium Noel F. Sommer 1954-5-19 102 Placer 2.9 miles southeast of U.S. Highway 40 on road originating 2.5 miles north of Weimar and going east to Foresthill. 762 Comment
  CAS-BOT-BC69717  Selaginella wallacei G. L. Stebbins 1969-11-20 6981 Placer Shirttail Canyon, road from Colfax to Forest Hill, mile east of bridge across North Fork, American River. 365 Comment
  CAS-BOT-BC62211  Selaginella watsonii Grant 1906-8-2 7144 Placer Glen Alpine, Lake Tahoe Comment
  SBBG27354  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca. 1 mi W of Baxter Comment
  CDA19492  Senecio flaccidus var. douglasii M. I. Wibawa 2002-5-27 263 Placer Sacramento Valley; Folsom Lake State Recreation Area. 121 Comment
  UC36178  Senecio integerrimus var. exaltatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3249 Placer near Truckee River (on road to Tahoe); Truckee River Basin Comment
  UCD135552  Senecio integerrimus var. exaltatus Arthur D. Haig 1956-5-23 s.n. Placer 2 miles south of Truckee. Comment
  CDA16999  Senecio integerrimus var. major G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16052 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC492748  Senecio integerrimus var. major G. W. Fetters 1929-6-15 Placer Pomin's Lake Tahoe Comment
  UCD170423  Senecio integerrimus var. major G. W. Forister 2017-6-15 s.n. Placer Onion Valley; 7 miles south of I-80 on Texas Hill Road. 1465 Comment
  JEPS71796  Senecio integerrimus var. major Gladys L. Smith 1972-6-20 3258 Placer from Ward Peak Sherwood Forest 2590 Comment
  CAS-BOT-BC364390  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  UCD21785  Senecio triangularis Beth Lowe Corbin 1982-8-5 251 Placer Onion Creek campground. 1841 Comment
  UCD43325  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 693 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  RSA473088  Senecio triangularis B. C. Templeton 1931-7-5 1511 Placer near Meek's Bay. 2280 Comment
  UC832211  Sericocarpus oregonensis subsp. californicus Ira L. Wiggins 1933-8-21 6789 Placer near, shores of Lake Tahoe Tahoma; Lake Tahoe Comment
  NY429844  Sericotheca obovata C. F. Sonne 1886-7-17 s.n. Placer Truckee River Comment
  CDA19924  Sesbania punicea R. Simon 2002-6-17 PDR P 087232 Placer Sierra Nevada; Miner's Ravine Park 0 Comment
  UCD147094  Sesbania punicea Chuck Hughes 2013-5-14 378 Placer Southern margin of Camp Far West Reservoir. 95 Comment
  CAS-BOT-BC243550  Setaria parviflora David D. Keck 1932-7-1 1596 Placer 2 miles N. of Auburn on Nevada City Road 426 Comment
  HSC26233  Setaria pumila Thomas W. Nelson 1972-11-25 706 Placer Beside Del Oro Rd., near Roseville, Ca Comment
  CAS-BOT-BC240201  Setaria viridis G. D. Barbe 1974-11-26 1985 Placer Fence line along Barton Road at Eureka Road, northwest corner, east of Roseville Comment
  CAS-BOT-BC438825  Sidalcea asprella subsp. asprella George K. Helmkamp; Mary Alice Barnes 2013-5-3 20463 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  UC871517  Sidalcea asprella subsp. nana C. L. Hitchcock 1940-5-14 6390 Placer ca 6 mi n Colfax (Meier Ranch); n of Colfax, Meier Ranch 762 Comment
  JEPS72638  Sidalcea glaucescens Gladys L. Smith 1972-6-18 3148 Placer Alpine Meadows 2072 Comment
  UC1124961  Sidalcea glaucescens B. Bolt 1934-7-17 143 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 Comment
  JEPS59421  Sidalcea glaucescens Ezra Brainerd and Viola B. Baird 1915-7-21 141 Placer along trail from Bear Rock to L. Tahoe; Sierra Nevada Mts., from Bear Rock to L. Tahoe 1889 Comment
  SEINET11992697  Sidalcea glaucescens J. H. Nishida 1985-1 791 Placer Homewood 1829 Comment
  UCD34163  Sidalcea hartwegii Beecher Crampton 1977-6-11 9500 Placer Placer County, 3.5 miles N.E. of Auburn, Dry Creek road just east of Elder's Corners. Comment
  UCD116793  Sidalcea malviflora Ted Niehaus 1959-4-19 69 Placer Yankee Jims diggins, Shirttail Road. Comment
  UCR170806  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2005-9-30 9950 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR139417  Sidalcea oregana Fay A. MacFadden 1934-8-10 12840 Placer Sierra Nevada Mtns., Cisco 1829 Comment
  CHSC79325  Sidalcea oregana subsp. spicata Beecher Crampton 1972-7-26 8838 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  JEPS127466  Sidalcea oregana subsp. spicata Steve Matson 2003-6-29 817 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area. Comment
  RSA448230  Sidalcea oregana subsp. spicata George B. Grant 1906-6-25 7072 Placer Lake Tahoe. Comment
  UCD150577  Sidalcea oregana subsp. spicata James A. Neilson Jr. 1970-7-16 1544 Placer Tahoe Basin, Lower Ward Valley. 2011 Comment
  UCD33730  Sidalcea oregana subsp. spicata Beecher Crampton 1972-7-26 8838 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  UC8424  Silene californica Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD98569  Silene csereii Lester J. Berry 1969-5-15 s.n. Placer Foresthill. Charles Finning Property. Comment
  JEPS111182  Silene douglasii Steve Matson 2005-6-19 1305 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  UC148952  Silene douglasii H. M. Hall July 1910 8728 Placer Cisco Sierra Nevada Mountains, Cisco 1828 Comment
  UC465664  Silene douglasii Katharine Brandegee July, 1908 Placer Alta Comment
  UC1511353  Silene invisa Charlotte Pyle and G. L. Stebbins 1979-7-31 Placer between Soda Springs and Lyons Peak (on North Fork American River); North Fork American River, btw Soda Springs and Lyons Peak 2072 Comment
  UCR240908  Silene invisa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19230 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  CAS-BOT-BC389370  Silene lemmonii Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC181368  Silene occidentalis Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap Comment
  SCFS1226  Silene occidentalis E. Krimmel 2013-1 Placer North Fork American River. 1/8-m. from Heath Falls Overlook in shade of oak. Comment
  UC334581  Silene occidentalis subsp. occidentalis A. Kellogg Jun 1870 289 Placer Cisco Sierra Nevada, Cisco Comment
  CDA15933  Sisymbrium altissimum G. F. Hrusa, J. Glazner 1999-7-17 15133 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA16997  Sisyrinchium bellum G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16050 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC58405  Sisyrinchium bellum Gary H. Bolton 1975-5-24 43 Placer Spring Garden Road and Auburn-Foresthill Road. Comment
  RSA201752  Sisyrinchium bellum Lynn Gould 1962-4-14 38 Placer On old Highway 40 (Taylor Road), Rocklin Comment
  SACT002104  Sitanion hystrix Michael Baad 1976-6-10 Placer North-facing slope about .5 mile along trail into Duncan Canyon from French Meadows Road. Growing in openings in rich gravelly soil. Comment
  SACT002213  Sitanion hystrix D. Meyer Placer South of Truckee, campground along Truckee River. 1828.0 Comment
  SACT002226  Sitanion hystrix D. Meyer 1983-9-10 Placer Collected at west end of meadow near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT002230  Sitanion hystrix D. Meyer 1984-7-15 Placer 21 km from lodge, rocky outcrop overlooking American River gorge. 1909.0 Comment
  SACT002239  Sitanion hystrix D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  UCR146669  Sitanion hystrix Beecher Crampton 1961-9-27 6014 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  POM69614  Solanum umbelliferum Marcus E. Jones 1882-6-25 s.n. Placer Emigrant Gap. Comment
  UC1125021  Solanum umbelliferum N. French 1933-5-16 55 Placer 3 mi se of Weimer 609 Comment
  UC192436  Solanum umbelliferum C. F. Sonne 1886-7-18 Placer on Truckee River, in [R.R.] Canyon Truckee River Comment
  SEINET6186073  Solanum xanti var. montanum M. J. Williams 1985-7-6 85- 63 -4 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits Comment
  UCR260078  Solidago californica George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22420 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  SEINET4560809  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2010-1 17027 Placer Northern Sierra Nevada Mountains Foothills: along Forest Route 24 at Parker Flat and Beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine reservior dam 1180 Comment
  UC579497  Solidago elongata H. S. Yates 1934-6-29 3900 Placer near Tahoe City; Truckee Quad. Comment
  CDA19497  Soliva sessilis M. I. Wibawa 2002-5-27 271 Placer Sacramento Valley; Next to parking lot to American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  CHSC96473  Soliva sessilis Lowell Ahart; Brian Williams 2007-4-13 13634 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CDA7650  Soliva sessilis M. K. Bellue 1947-3-22 Placer Lost Lake. 0 Comment
  CAS-BOT-BC366000  Sonchus asper Gordon H. True 1968-7-10 4367 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Road 1554 Comment
  CAS-BOT-BC157303  Sorbus californica T. S. Brandegee s.n. Placer Summit Comment
  POM366677  Sorbus californica Wm. Martin 1971-9-10 20274 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UC1128678  Sorbus californica N. French 1934-6-13 408 Placer Lock Leven Lake; Tahoe National Forest 2042 Comment
  UC128209  Sorbus californica Miss Harriet A. Walker 1908-7-26 1445 Placer Cisco 1810 Comment
  CDA25789  Sorghum halepense G. K. Helmkamp, E. A. Helmkamp 2007-10-28 13107 Placer Sacramento Valley; Along Nicolaus Road 5.8 miles west of Lincoln. Comment
  JEPS102552  Spergularia rubra Lowell Ahart 2001-10-10 9363 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  CAS-BOT-BC390675  Spergularia rubra G. B. Rossbach; R. P. Rossbach 1938-7-23 658 Placer From Pass above Donner Lake, near the Nevada and Placer Co. line 2164 Comment
  UC1601325  Sphaeromeria potentilloides var. potentilloides W. D. Bliss June 1888 Placer Tahoe Comment
  UCD43883  Sphenosciadium capitellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1249 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44520  Sphenosciadium capitellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1886 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SD6053  Spiraea densiflora none given none given June 1914 Placer Cisco Comment
  CAS-BOT-BC152533  Spiraea splendens F. Almeda 1993-7-24 7258 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley - Sierra Nevada 2133 Comment
  CDA13674  Spiranthes romanzoffiana G. F. Hrusa, J. Glazner 1997-8-3 14034 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  SACT002304  Sporobolus cryptandrus D. Meyer 1984-7-9 Placer Exit from I80 park and ride lot at field across road. 103.0 Comment
  HSC4292  Stellaria longipes R. G. Means 1962-6-28 48 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  UCD43033  Stellaria longipes var. longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 402 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR171028  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-24 10072 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  UCR171207  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-24 10074 Placer Northern Sacramento Valley, Junction of Wise Road and Garden Bar Road east of Ewing 95 Comment
  SEINET5337366  Stellaria media M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks of American River. 274 Comment
  JEPS71597  Stenotus acaulis Gladys L. Smith 1972-8-25 3412 Placer West facing slope below Watson Monument, tr. to Granite Chief 2560 Comment
  POM161915  Stenotus acaulis Herbert McLean Evans 1920-7-22 s.n. Placer Ralston Ridge. Sierra Nevada. Comment
  UC710568  Stenotus acaulis John Thomas Howell 1943-7-26 18838 Placer Mt. Lincoln Comment
  UCD21790  Stephanomeria lactucina Beth Lowe Corbin 1982-8-4 209 Placer 1/4 mile W of Onion Creek campground. 1856 Comment
  CAS-BOT-BC375611  Stephanomeria lactucina Roxana S. Ferris 1957-8-9 13098 Placer Along U. S. Highway 40 just West of Emigrant Gap Comment
  JEPS21626  Stephanomeria lactucina Roxana S. Ferris 1957-8-9 13098 Placer Along U. S. Highway 40 just W of Emigrant Gap. Comment
  RSA136740  Stephanomeria lactucina Roxana S. Ferris 1957-8-9 13098 Placer US Hwy 40 just W of Emigrant Gap. Around aeroplane beacon. Comment
  SACT002319  Stipa californica Michael Baad 1983-9-3 Placer Collected from west slope of Mount Judah to saddle between Mount Judah and Mount Lincoln. 2529.0 Comment
  SACT002328  Stipa californica D. Meyer 1984-8-26 Placer Collected at summit 1660.0 Comment
  SACT002332  Stipa californica Michael Baad 1976-7-17 Placer Collected in ski area on trail to Five Lakes. Southeast corner of northeast corner. 2072.0 Comment
  SEINET7546725  Stipa lemmonii var. jonesii M. E. Jones 1882-1 3298 Placer Emigrant Gap Comment
  SACT002388  Stipa occidentalis Michael Baad 1976-7-17 Placer 1 mile west of Alpine Meadows Ski Area on trail to Five Lakes open brush slopes. 2072.0 Comment
  SEINET10610763  Stipa occidentalis Lewis S. Rose 1946-6-23 Rose 46193 Placer Rainbow, n. of Cisco 1737 Comment
  JEPS9070  Streptanthus polygaloides Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, H. Stutz and F. Ehrendorfer 1952-7-20 3875 Placer slope just s Shirttail Creek (6 mi e of Iowa Hill); Tahoe National Forest 1115 Comment
  UC1601616  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer hillside 6 mi n Colfax Comment
  CAS-BOT-BC87763  Streptanthus tortuosus A. A. Heller 1917-6-17 12690 Placer Near the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC87770  Streptanthus tortuosus J. F. Emmel 1969-7-18 189 Placer Ridge between Mount Judah and Sugar Bowl near Donner Pass. 2225 Comment
  UCR208578  Streptanthus tortuosus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14622 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  SCFS1188  Streptanthus tortuosus E. Krimmel, F. Felix 2014-6-2 Placer North Fork American River. Top of Foresthill Rd. Comment
  SEINET4891941  Streptanthus tortuosus P. B. Kennedy, S. B. Doten 1901-8-15 291 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  SEINET5501001 Image available Streptanthus tortuosus Sally Walker 1982-8-5 Placer Ski area above Tahoe Truckee Rd Comment
  UC567163  Streptanthus tortuosus var. orbiculatus N. French 1934-6-6 401 Placer 1 1/4 mi nw Devil's Peak; Truckee Quadrangle 2072 Comment
  CDA11991  Styrax officinalis var. redivivus G. F. Hrusa 1995-5-2 12172 Placer Sierra Nevada; below Mosquito Ridge Rd. approx. 1 km. east of crossing of North Fork of Middle Fork of the American River. Comment
  UC903246  Styrax officinalis var. redivivus Ethel Crum 1938-5-15 2043 Placer 2 mi ne Auburn (canyon of Middle Fork American River); Sierra Nevada foothills, canyon of Middle Fork American Rive 304 Comment
  UCD40903  Styrax officinalis var. redivivus Cathleen Chapton 1983-5-28 31 Placer Lake Clementine Road, American River Canyon. 243 Comment
  JEPS32511  Styrax officinalis var. redivivus Alice King 1920-1 Placer Rattlesnake Bend Comment
  UC477579  Styrax officinalis var. redivivus L. S. Smith 1931-5-31 2540 Placer road to Forest Hill (North Fork of American River); North Fork of American River Comment
  SD243207  Suksdorfia ranunculifolia George K. Helmkamp, E. A. Helmkamp 2010-8-14 16779 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. Seeping wet area shaded by a rock bank. 1552 Comment
  UCD22160  Symphoricarpos Beth Lowe Corbin 1982-8-3 199 Placer Hill west of Onion Creek Campground. 1853 Comment
  CAS-BOT-BC237003  Symphoricarpos mollis Alice Eastwood 1909-1-1 31 Placer Sunnyside Comment
  JEPS126375  Symphoricarpos mollis Steve Matson 2004-7-1 1063 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UCD137429  Symphoricarpos mollis Beecher Crampton 1955-6-15 2879 Placer Bunch Canyon. Comment
  JEPS72399  Symphoricarpos rotundifolius var. rotundifolius Gladys L. Smith 1972-6-20 3217 Placer Ward Peak; about terminus of summit chair 2621 Comment
  CHSC74193  Symphyotrichum ascendens Susi Urie 1998-9-2 98 -199 Placer Below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  CAS-BOT-BC97858  Symphyotrichum eatonii John Thomas Howell 1943-7-25 18814 Placer West side of Donner Pass near Norden 2133 Comment
  CAS-BOT-BC98964  Symphyotrichum foliaceum var. parryi Peter Rubtzoff 1976-9-18 8842 Placer Sierra Nevada, Lake Van Norden - south side of lake, lakeshore near margin of bordering forest. 2063 Comment
  JEPS126314  Symphyotrichum spathulatum Steve Matson 1997-7-6 46 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  UC128218  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-25 1396 Placer near, Cisco Yuba River Comment
  UC201327  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit valley 2118 Comment
  UCD44490  Symphyotrichum spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1856 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC53989  Symphyotrichum spathulatum Chesnut and Drew 1898-8-8 Placer Cascade Lake Tahoe Comment
  CHSC74353  Symphyotrichum spathulatum var. spathulatum Susi Urie; Eric Schroder 1998-9-10 98 -317 Placer Antone meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  SEINET9351775  Symphyotrichum spathulatum var. spathulatum Unknown 2000-7-1 15613 Placer Placer Comment
  CAS-BOT-BC376826  Tanacetum vulgare Mary P. Wells; Nell E. Flattery 1980-9-12 s.n. Placer Yard at 550 Pioneer Way, Tahoe City Comment
  UCD21791  Taraxacum officinale Beth Lowe Corbin 1982-8-20 399 Placer 3/4 mile NW of Onion Creek campground. In fine, sandy, damp soil along old road through meadow. Ray flowers yellow. Milky sap. Partial sun. SW facing slope, 15% incline. 2072 Comment
  CAS-BOT-BC376911  Taraxacum officinale Lyman Benson 1942-7-2 11250 Placer Junction of U.S. 40 and the Truckee River Road to Lake Tahoe, Sierra Nevada, Truckee River 1828 Comment
  CHSC72875  Taraxia subacaulis L. P. Janeway; Eric Schroder 1998-7-13 5753 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  NY17479  Taxus brevifolia F. A. MacFadden 1934-8-14 12872 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  JEPS127524  Thalictrum fendleri var. fendleri Steve Matson 1999-6-28 416 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork of Snow Creek, northeast of big pine meadow. Comment
  CAS-BOT-BC399743  Thalictrum polycarpum Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  SEINET13203117 Image available Thysanocarpus curvipes George K. Helmkamp, Amy Barnes 2014-1 22786 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  UCD41259  Thysanocarpus curvipes Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1716 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UCR250334  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20356 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  CAS-BOT-BC88166  Thysanocarpus curvipes Charles von Geldern 1912-5-1 s.n. Placer American River. Comment
  SEINET7249067  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  SD44634  Thysanocarpus radians Darley F. Howe 1951-5-1 Placer 455 Comment
  CAS-BOT-BC67321  Thysanocarpus radians A. A. Heller 1940-4-8 15534 Placer One mile north of Sheridan. Comment
  CAS-BOT-BC228846  Torilis arvensis George K. Helmkamp; E. A. Helmkamp 2011-5-6 17218 Placer Eastern Edge of Sacramento Valley: Camp Far West Road, 0.1 mile west of its junction with McCourtney Road, c. 6.3 mi. NE (67 deg. ) of Wheatland 58 Comment
  UCD128157  Torilis arvensis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 A Placer Northern Sierra Nevada Foothills. 2.1 miles south of Auburn along CA Hwy 49. 293 Comment
  UCR216028  Torilis arvensis George K. Helmkamp, Amy Barnes 2009-7-12 15189 Placer Sierra Nevada Mountains Foothills, along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  UCR232217  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2011-5-6 17218 Placer Eastern Edge of Sacramento Valley, Camp Far West Road, 0.1 mile west of its junction with McCourtney Road, c. 6.3 mi. NE (67 deg. ) of Wheatland 58 Comment
  UCR250354  Torilis arvensis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20492 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCD133442  Torreya californica Eric Brenner; John Hunter 1996-5-26 4 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UC1334176  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer Dutch Flat n.e. of Masonic Cemetery; Dutch Flat 1005 Comment
  UCD21793  Tragopogon dubius Beth Lowe Corbin 1982-8-13 348 Placer 1/4 mile W of The Cedars. 1737 Comment
  CAS-BOT-BC516459  Triantha occidentalis subsp. occidentalis L. S. Smith 1926-8-10 2002 Placer Meadow near Salmon Lakes 1981 Comment
  UC26040  Trichostema lanceolatum G. P. Rixford Aug 1896 Placer Comment
  POM70270  Trichostema oblongum Marcus E. Jones 1982-6-30 s.n. Placer Emigrant Gap. Comment
  UCD22022  Trichostema oblongum Beth Lowe Corbin 1982-8-9 274 Placer 1/4 mile SW of Onion Creek campground. 1859 Comment
  SEINET5735071 Image available Trichostema oblongum J. M. Tucker 1975-1 4352 Placer Ca. 100 yards west of the road in to "The Cedars", private holding on the upper North Fork of the American River, ca. 6 miles (airline) south of Soda Springs (Nevada County).; Soda Springs 1798 Comment
  UCR235378  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2012-5-11 18960 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  UCD14399  Trientalis latifolia R. Schulhof 1984-5-19 25 Placer Placer Co.; along Road 193, 14 miles southwest of Georgetown yellow pine forest habitat; 1219 Comment
  OBI12698  Trifolium cyathiferum Robert F. Hoover 1967-9-7 10857 Placer Antone Meadow Comment
  UCD22006  Trifolium cyathiferum Beth Lowe Corbin 1982-8-11 325 Placer 1.5 miles WNW of Onion Creek campground. 1950 Comment
  UCD43294  Trifolium cyathiferum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 662 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CDA18398  Trifolium dubium G. D. Barbe, P. Hiatt 1980-6-3 2790 Placer Sierra Nevada; Hwy 49 at Rio Oso Rd., north of Auburn, at Placer Co line/Nevada Co. line. Comment
  JEPS113120  Trifolium dubium Lowell Ahart, Brian Williams 2007-4-13 13667 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCR207872  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2009-4-22 14570 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCR257603  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-3-21 22636 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  CDA19487  Trifolium glomeratum M. I. Wibawa 2002-5-27 264 Placer Sacramento Valley; Folsom Lake, American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  CDA36913  Trifolium glomeratum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  UCD111238  Trifolium incarnatum Gregg Riegel 1975-5-16 19 Placer 1/8 mile north of Foresthill-Auburn Road, 8.2 miles west of Foresthill. 701 Comment
  UCR207889  Trifolium incarnatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14572 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCR253129  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-4-23 22809 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  SEINET12147834  Trifolium longipes C. F. Sonne 1881-1 55 Placer above Coldstream Comment
  UC630802  Trifolium longipes var. hansenii L. S. Smith 1916-6 568 Placer Squaw Valley Comment
  JEPS29496  Trifolium longipes var. hansenii C. F. Sonne June 1886 55 Placer Donner Lake Sierra Nevada (Truckee) Comment
  UCD111457  Trifolium microcephalum R. Tofsrud 1951-7-11 s.n. Placer Cisco Grove. 1524 Comment
  UCD109207  Trifolium monanthum R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  SEINET12157230  Trifolium monanthum C. F. Sonne 1884-1 59 Placer Canyon above Coldstream Comment
  JEPS127546  Trifolium monanthum subsp. tenerum Steve Matson 1997-7-10 88 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; North Ave. dirt road extension to meadow near west fork of Snow Creek. Comment
  UC147624  Trifolium pratense Miss Harriet A. Walker 1908-6-27 1335 Placer Blue Canyon 1432 Comment
  UCD33733  Trifolium pratense Beecher Crampton 1972-7-26 8843 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  JEPS113118  Trifolium subterraneum Lowell Ahart, Brian Williams 2007-4-13 13647 Placer On damp granite soil, margins and bottoms of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  CAS-BOT-BC516754  Trifolium tomentosum George K. Helmkamp; Amy Barnes 2013-3-28 20299 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  SD247434  Trifolium tomentosum George Helmkamp, Amy Barnes 2013-3-28 20299 Placer Eastern Sacramento Valley: Northwest side of junction if Riosa Road and Andressen Road, northeast of Sheridan (Lincoln 7.5'Q) 35 Comment
  UCD33051  Trifolium variegatum Beecher Crampton 1966-4-14 7647 Placer Placer County, 2.5 miles east of Lincoln. Comment
  CDA28057  Trifolium variegatum var. major T. C. Fuller 1958-4-15 Placer Highway 99E, 0.5 mile north of Roseville. 0 Comment
  CDA32950  Trifolium variegatum var. variegatum P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  CHSC81510  Trifolium willdenovii D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  JEPS4358  Trifolium willdenovii W. H. Shockley Jun 1886 Placer Auburn Comment
  UCR250346  Trifolium willdenovii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20363 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  JEPS127437  Trifolium wormskioldii Steve Matson 2003-6-29 817 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  RSA0039075  Trifolium wormskioldii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20363 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  UC16907  Trifolium wormskioldii Miss Michener Aug 1893 Placer Truckee Comment
  UC147565  Trillium albidum Harriet A. Walker 1908-6-24 1259 Placer Blue Canyon Comment
  POM260064  Trillium chloropetalum var. giganteum C. L. Hitchcock 1940-5-7 6306 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC516750  Triphysaria eriantha George K. Helmkamp; Amy Barnes 2013-3-28 20285 Placer Eastern Sacramento Valley: along 10th St/Ranch House Rd, 0.6 mi S of its jct with Riosa Road in Sheridan 43 Comment
  SEINET13750545  Triphysaria eriantha D. F. Erskine 1941-4-28 14 Placer 2 miles E of Roseville. 76 Comment
  UC219136  Triphysaria eriantha subsp. eriantha Mary E. Pulsifer Ames Mar, 1895 Placer Auburn Comment
  CAS-BOT-BC228547  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp; E. A. Helmkamp 2011-4-10 17158 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan 41 Comment
  UCR235592  Trisetum canescens George K. Helmkamp, E. A. Helmkamp 2012-5-5 18925 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  CHSC79894  Trisetum projectum G. F. Hrusa; J. Glazner 1999-7-18 15195 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89 and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  UC1155399  Trisetum projectum Beecher Crampton 1964-7-21 7115 Placer Hwy 40 1/2 mi wnw Cisco Grove 1706 Comment
  UCD21587  Trisetum projectum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1250 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  UCD36709  Trisetum projectum Beecher Crampton 1955-7-13 2993 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCR209731  Trisetum projectum George K. Helmkamp, E. A. Helmkamp 2009-8-12 15450 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061