Search Results — 2000 specimen records retrieved (1639 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG24474  Abies concolor E. R. Blakley 1960-8-30 3796 Placer Carnelian Bay, Lake Tahoe 1981 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
  RSA1848  Abies magnifica C. B. Wolf 1930-10-10 1726 Placer Coldstream Canyon, 5 miles from Truckee. 1982 Comment
  SEINET11402662  Abies magnifica P. A. Lehenbauer 1931-4-22 n.a. Placer Above Carnelian Bay, Lake Tahoe Comment
  UCD22102  Acer glabrum Rex Palmer 1979-5-27 N 32 Placer Headwaters basin area of the North Fork of the American River Comment
  UC870269  Acer glabrum var. diffusum A. A. Heller 1917-6-19 12730 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC331004  Acer glabrum var. glabrum John H. Thomas; Hazelle A. Thomas 1956-7-21 6110 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles NE of Sacramento. 2377 Comment
  CAS-BOT-BC331009  Acer glabrum var. glabrum Lowell Ahart 1964-7-3 s.n. Placer Placer Queen Mine 1676 Comment
Read comments
Oct 16 2019
  CAS-BOT-BC331012  Acer glabrum var. glabrum Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UCR208593  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14660 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
  SEINET7894044  Acer macrophyllum J. Martin 1959-4-25 s.n. Placer Along US Hwy 49, 5 miles E of Sierraville. Comment
  UCD117109  Acer negundo Chester Dunbar 1969-4-10 102 Placer 1 mile south of Intersection of Road A5005 and Nicolaus Road. Comment
  SCFS1156  Achillea millefolium E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Cedar's Meadow. Comment
  UCD44627  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1993 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR171352  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2005-10-1 9990 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
  SACT000018  Achnatherum lemmonii Michael Baad 1976-6-10 Placer openings; sections 24, 26, T.15.N; R.13.E 1829.0 Comment
  UC821962  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer 1 mi w Baxter Comment
  UCD22220  Achnatherum lemmonii Beth Lowe Corbin 1982-8-9 286 Placer 1/2 mile SW of Onion Creek Campground. S facing slope, 15% incline. Uncommon. Full sun. In rocky, fine, sandy soil. Open, logged, mixed conifer forest. Perennial. Leaves pale, bluish. 1767 Comment
  UCD50469  Achnatherum lemmonii A. A. Beetle 1941-5-26 2716 Placer Near Cisco. 914 Comment
  CAS-BOT-BC216416  Achnatherum lettermanii A. A. Heller No date on label 12889 Placer Summit Station 2121 Comment
  CAS-BOT-BC210744  Achnatherum nelsonii R. F. Hoover 1967-9-7 10854 Placer Antone Meadow Comment
  UCD50815  Achnatherum nevadense A. A. Heller 1917-8-14 12925 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  RSA657082  Achnatherum occidentale subsp. californicum Lynn R. Firestone, Harold Firestone 1983-8-6 8317 Placer Along Hwy 20 about 2 mi west of I-80 interchange to Nevada City 1585 Comment
  UC1133085  Achnatherum occidentale subsp. californicum N. French 1934-6-21 Placer w end of Lake at sw corner of Sec. Truckee Quadrangle Comment
  UC682055  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3174 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UC682057  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3170 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UC682059  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3172 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  CDA15640  Achnatherum occidentale subsp. pubescens G. F. Hrusa, J. Glazner 1999-7-18 15193 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS45870  Achnatherum stillmanii L. S. Smith 1931-6-4 2557 Placer below Pine Nut (Duncan Canyon); Tahoe Forest 1524 Comment
  SACT000023  Achnatherum stillmanii Michael Baad 1983-7-11 Placer elevation 5200' and continuing towards Black Mountain to the western edge of section 9, T.16N, R.12E 1585.0 Comment
  UCD33729  Acmispon americanus var. americanus Beecher Crampton 1972-7-26 8836 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  SEINET5327530  Acmispon americanus var. americanus A. Allen 1950-4-29 17 Placer Roadside 1/2 mi W of Rocklin on Hwy 40, railroad right of way Comment
  SEINET5327531  Acmispon americanus var. americanus P. B. Kennedy, Samuel Bradford Doten 1901-8-18 413 Placer [Sierra Nevada] Talbots Home Camp, 7 mi from French Meadows Comment
  CHSC21065  Acmispon argophyllus var. fremontii M. S. Taylor 1975-5-10 572 Placer On steep roadbank above American River by bridge on Hwy 49, ca. 2 mi s of Auburn. 213 Comment
  CHSC91778  Acmispon nevadensis G. F. Hrusa; J. Glazner 2000-7-1 15626 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
  CHSC34612  Acmispon wrangelianus Lichael P. Crivello 1979-4-11 Placer 2.5 mi nne of Auburn, 200 yds n of confluence of North and Middle forks of American River. Comment
  UCD22174  Aconitum columbianum Rex Palmer 1979-7-10 N 530 Placer Headwaters basin area of the North Fork of the American River Comment
  HSC32497  Aconitum columbianum subsp. columbianum A. M. Montalvo, J. D. Ackerman 1974-7-20 387 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 Comment
  SEINET6700629 Image available Adenocaulon bicolor P. B. Kennedy 1901-8-15 405 Placer Bear man's camp, 6 miles from French Meadows Comment
  UCD67894  Adenostoma fasciculatum Julie Knorr 1977-5-29 15 Placer Auburn Ravine Road, ca. 2.2 miles S from Auburn. Comment
  UCD147087  Aegilops neglecta Chuck Hughes 2013-5-6 372 Placer Southwest margin of Camp Far West Reservoir. 96 Comment
  SEINET4178573 Image available Aegilops triuncialis Unknown 2012-6-19 Placer Northern Sierra Nevada Mtns Foothill: Foresthill rd, 2.6 miles e of its jct with Mosquito Ridge Rd. 1052 Comment
  SJSU11410  Agastache urticifolia H. T. Harvey 1958-8-19 Placer Sugar Bowl, 1 mi S of Donner Summit 2164 Comment
  SCFS11529153  Ageratina occidentalis E. Krimmel 2014-6-26 Placer Dry, sunny slope. Comment
  UCD128555  Ageratina occidentalis R. Prag 1972-8-28 s.n. Placer Alpine Meadows Road. Comment
  SCFS1171  Ageratina occidentalis E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Comment
  HSC33420  Agoseris grandiflora Thomas W. Nelson, Jane P. Nelson 1974-6-17 1370 Placer Dollar Point N of Lake Tahoe City 1585 Comment
  UC194732  Agoseris heterophylla var. cryptopleura C. F. Sonne 1891-5-17 Placer Colfax Comment
  JEPS126326  Agoseris heterophylla var. heterophylla Steve Matson 2003-6-9 797 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267 and west of Martis Creek, along Airpot Creek. Comment
  POM33865  Agoseris retrorsa Marcus E. Jones 1882-6-30 2782 Placer Emigrant Gap. Comment
  SACT000049  Agropyron intermedium var. trichophorum D. Meyer 1983-7-3 Placer at Big Reservoir 1234.44 Comment
  SACT000056  Agropyron riparium Michael Baad 1976-7-14 Placer Glaucous. 1.3 miles along road from Forest Hill Divide to Secret Canyon. Open brushy slope. 1554.48 Comment
  SACT000060  Agropyron subsecundum Michael Baad 1983-7-23 Placer South of Truckee-Tahoe Airport, along north east side of highway 267 1767.84 Comment
  SACT000061  Agropyron subsecundum Michael Baad 1983-7-23 Placer Along Highway 267 on south side of road Comment
  SACT000073  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1767.84 Comment
  UCD51797  Agrostis avenacea John Thomas Howell; Gordon H. True 1971-5-26 47621 Placer in Valley Grassland, northern limits of Lincoln. 48 Comment
  SEINET3271586 Image available Agrostis capillaris George K. Helmkamp, E. A. Helmkamp 2009-7-16 15212 Placer Sierra Nevada Mountains; Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  UCR206834  Agrostis capillaris George K. Helmkamp, E. A. Helmkamp 2009-7-16 15212 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  SEINET10792274  Agrostis diegoensis A. S. Hitchcock 1886-1 Hitchcock 12892 Placer Summit Station in open places in coarse granite sand, upper limit of the yellow pine belt. 2121 Comment
  CDA15648  Agrostis exarata G. F. Hrusa, J. Glazner 1999-7-18 15215 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS102472  Agrostis exarata Lowell Ahart 2001-10-10 9360 Placer French Meadows Reservoir, about 1/4 mile NE of boat or trail access area on NW side of reservoir, about 3/4 mile SW of bridge across Middle Fork of American R, about a 1 3/4 mi SW of Ahart Camp, about 22 mi (air) NE of Forest Hill. 1591 Comment
  SACT000084  Agrostis exarata D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SACT000112  Agrostis exarata D. Meyer 1984-7-8 Placer Lake Valley Reservoir Picnic Area. Ground at lakeside. 1758.0 Comment
  SEINET3282796 Image available Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15207 Placer Sierra Nevada Mountains; Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 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
  UCD38682  Agrostis exarata Beecher Crampton 1956-7-17 3729 Placer Blue Canyon. 1432 Comment
  UCD52105  Agrostis exarata Beecher Crampton 1975-9-9 9273 Placer Gold Run rest area along Interstate Hwy. 80 W. 914 Comment
  UCD52123  Agrostis exarata Beecher Crampton 1955-6-15 2886 Placer Bunch Canyon, Forest Hill Road, 3 miles south of US Hwy 40. Comment
  UCR233389  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18171 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  SEINET7249201  Agrostis exarata George K. Helmkamp, Elizabeth Helmkamp 2013-1 Placer Comment
  SACT000182  Agrostis idahoensis Michael Baad 1976-8-7 Placer 2072.0 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
  UCD43280  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 648 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET3916466  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer 1.7 miles east of Lincoln.; 0 Comment
  UC1153829  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer 1.7 mi e Lincoln Comment
  UCR240963  Agrostis oregonensis George K. Helmkamp, E. A. Helmkamp 2012-9-25 19914 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
  UC814989  Agrostis pallens A. A. Heller 1917-8-13 12897 Placer base of cliff n Summit Hotel 2164 Comment
  UCD22260  Agrostis pallens Rex Palmer 1979-7-26 N 815 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT000157  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 Comment
  SACT000193  Agrostis stolonifera var. major D. Meyer 1984-7-8 Placer Blue Canyon Rd along stream, very moist streambank, beneath bridge. 1440.0 Comment
  SACT000206  Agrostis stolonifera var. major D. Meyer 1984-7-29 Placer road south of reservoir, moist shady north-facing slope. 1612.0 Comment
  SACT000211  Agrostis tenuis Josephine Van Ess 1976-6-16 Placer at small stream draining from golf course. wet streambank. 48.8 Comment
  SACT000242  Agrostis thurberiana Michael Baad 1976-8-7 Placer Trailhead to Bear Lake on Rubicon Trail to Bear Lake Canadian Zone 2316.48 Comment
  UCD53720  Agrostis variabilis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  SACT000227  Aira caryophyllea D. Meyer 1983-5-7 Placer Comment
  SACT000236  Aira caryophyllea Michael Baad 1983-4-17 Placer Descending to Middle Fork of American River 411.48 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-BC459422  Allium acuminatum L. S. Smith 1932-5-11 2652 Placer Tahoe Forest, above Middle Fork American River, South Slope 457 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
  UCD138499  Allium campanulatum J. M. Tucker 1975-7-29 4354 Placer ca. 1/2 mile south of Tinker Knob, ca. 8 miles (airline) southeast of Soda Springs. 2286 Comment
  UCD22039  Allium obtusum Rex Palmer 1979-6-21 N 424 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22041  Allium obtusum Rex Palmer 1979-5-27 N 76 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22044  Allium obtusum Rex Palmer 1979-6-10 N 183 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS111204  Allium obtusum var. obtusum Steve Matson 2005-7-1 1342 Placer near Sierra Crest southwest of Donner Summit and Serene Lakes along road to Palisades Lake, 39.3087 N, 120.4133 W; elevation 6,680 ft. 2036 Comment
  CAS-BOT-BC474277  Allium obtusum var. obtusum Alice Eastwood 1912-6-15 408 Placer Deer Park. Lake Tahoe Region Comment
  JEPS73016  Allium platycaule Gladys L. Smith 1972-6-20 3209 Placer about terminus of summit chairlift, Ward Peak Ward Peak 2621 Comment
  CAS-BOT-BC474085  Allium platycaule John Thomas Howell 1943-7-21 18653 Placer Donner Pass at Mt. Lincoln Comment
  UCD72507  Allophyllum divaricatum Ellen Dean 2006-5-22 3143 Placer Above north fork of the American River on N side of Foresthill Bridge. 274 Comment
  CHSC61613  Allophyllum gilioides L. S. Rose 1941-7-9 41299 Placer Chambers Lodge (McKinney), Lake Tahoe. 2100 Comment
  UCR250083  Allophyllum gilioides subsp. gilioides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20504 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  UC147645  Allophyllum integrifolium Harriet A. Walker 1908-6-23 1204 Placer Blue Canyon 1432 Comment
  OBI39836  Alnus incana Joy H. Nishida 1985-7-10 793 Placer Homewood, Red fir forest 1829 Comment
  CAS-BOT-BC171260  Alnus incana subsp. tenuifolia E. R. Blakley 1960-9-3 3820 Placer King's Beach. Lake Tahoe 1905 Comment
  UCD22111  Alnus incana subsp. tenuifolia Rex Palmer 1979-5-26 N 33 Placer Headwaters basin area of the North Fork of the American River Comment
  HSC103822  Alnus incana subsp. tenuifolia G. Fred Hrusa, J. Glazner 2000-9-3 15673 Placer Sugar Bowl Ridge, immediately to west of proposed Crow's Nest ski run 2165 Comment
  UCR231871  Alnus rhombifolia George K. Helmkamp, E. A. Helmkamp 2010-10-16 17025 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
  UC1153940  Alopecurus saccatus Beecher Crampton 1957-5-7 3988 Placer 1 mi. n. Lincoln Comment
  UCR258217  Amaranthus albus George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20054 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
  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-BC13677  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Along US Highway 40 east of AUburn, at Bowman Comment
  UCD128679  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Bowman, along U. S. Highway 40. Comment
  UC1505819  Amelanchier alnifolia var. semiintegrifolia K. M. Wiegand 1941-7-13 4890 Placer 2 mi w Lake Tahoe (woods along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
Read comments
May 30 2007
  UCD112896  Amelanchier pallida R. Prag 1973-6-26 s.n. Placer Ward Valley. Comment
  LA210934  Amelanchier utahensis C. B. Wolf; 1917-6-19 12729 Placer SIERRA NEVADA, Emigrant Gap. 1615 Comment
  JEPS113106  Amsinckia eastwoodiae Lowell Ahart, Brian Williams 2007-4-13 13670 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln 37 Comment
  UC726189  Amsinckia lycopsoides A. A. Heller 1940-4-8 15532 Placer 4 mi s Lincoln (along U.S. Hwy 99E) Comment
  CAS-BOT-BC137794  Andropogon virginicus var. virginicus Beecher Crampton 1955-5-7 3999 Placer Roadbank, along US Highway 40, about 3 miles east of Auburn. Comment
  CAS-BOT-BC128576  Androsace occidentalis Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  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
  UC1167721  Angelica breweri Peter H. Raven 1958-6-14 13210 Placer w side of Donner Pass Donner Pass 2164 Comment
  CAS-BOT-BC63971  Antennaria argentea C. F. Sonne 1885-6-14 161 Placer Tahoe City Comment
  CAS-BOT-BC63974  Antennaria argentea Peter H. Raven 1950-6-26 2419 Placer Baxter's 1219 Comment
  UC129069  Antennaria argentea Geo. B. Grant 1906-7-20 6943 Placer Tahoe Tavern Sierra Nevada Mts., Lake Tahoe 1889 Comment
  CAS-BOT-BC84767  Antennaria umbrinella M. E. Parsons 1910-7-28 s.n. Placer Tahoe region, trail to Twin Peaks 2438 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-BC137711  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Near Cisco. 914 Comment
  CDA1723  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Sierra Nevada Mtns.; near Cisco, Elev. 3000 ft. Comment
  SACT000334  Anthoxanthum odoratum Michael Baad 1983-5-5 Placer One mikle south of Placer Hills Road , on Milk Ranch Road, 2 miles west of Colfax, open hillside, north-facing slope. 609.6 Comment
  SACT000338  Anthoxanthum odoratum Michael Baad 1983-7-1 Placer 6 miles south of Emigrant Gap, Onion Valley, wet meadow. 1524.0 Comment
Read comments
Apr 16 2015
  UCD36118  Anthoxanthum odoratum Beecher Crampton 1952-11-9 918 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UCD36703  Anthoxanthum odoratum Beecher Crampton 1955-7-13 2985 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD80515  Anthoxanthum odoratum CNPS SN Foothill Team 2005-4-11 SNFN 0104 a Placer Placer Legacy, Spears/Didion Ranch, above Coon Creek, approximately 2.5 miles east of entry gate off of Garden Bar Road. 156 Comment
  CAS-BOT-BC218514  Apiaceae Saichi Kawahara 1969-5-24 826 Placer Slope overlooking north fork of the American River, on the Colfax-Iowa Hill Road betwen Dinner Tree and Windy Point 585 Comment
  SDSU2587  Apocynum androsaemifolium Bill Sonle 1942-5-27 3308 Placer Colfax Comment
  UC1123456  Apocynum androsaemifolium C. R. Clar 1933-6-20 133 Placer Applegate Colfax Quad., Applegate Comment
  UCR231836  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2010-8-14 16785 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
  UCR257735  Apocynum androsaemifolium George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19515 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
  UCR146675  Apocynum androsaemifolium subsp. pumilum Beecher Crampton 1955-6-15 2925 Placer Sierra Nevada Mountains, 10.5 wiles west of Forest Hill 488 Comment
  RSA634243  Aquilegia formosa Robert M. Rhode, B. Nemeth 1997-6-26 169 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
  UC148979  Aquilegia formosa H. M. Hall June 1910 8714 Placer Cisco Sierra Nevada 1828 Comment
  CAS-BOT-BC397903  Aquilegia formosa Saichi Kawahara 1969-7-6 1468 Placer Finning Mill road just south of Sugar Pine Road. Tahoe National Forest. SW 1/4 of section 19 of the Dutch Flat Quadrangle, R11E T15N 1139 Comment
  SD237383  Arabidopsis thaliana G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15929 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls Crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  POM143944  Arabis drummondii C. F. Sonne 1897-07 s.n. Placer Bear Valley on Truckee River. Comment
  UCR270694  Arabis holboellii John F. Emmel 1998-7-9 1572 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  UC1601422  Arabis rectissima var. rectissima Katharine Brandegee Placer Tahoe Tavern Comment
  CAS-BOT-BC128678  Arbutus menziesii Saichi Kawahara 1969-5-24 861 Placer Strawberry Flat, Mel Henderson Ranch 999 Comment
  UC199672  Arceuthobium americanum C. F. Sonne March 1899 Placer Mayen's Meadow near Truckee Comment
  UCD34189  Arceuthobium campylopodum Beecher Crampton 1977-10-2 9539 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek Road. Comment
  UC1078827  Arceuthobium campylopodum Job Kuijt 1957-5-18 1333 Placer 1 mi n Tahoe City (on Hwy 89) 1798 Comment
  CHSC10702  Arctostaphylos manzanita Lowell Ahart 1964-7-3 Placer On trail to Placer Queen Mine. 1676 Comment
  CAS-BOT-BC38577  Arctostaphylos mewukka John Thomas Howell; Gordon H. True 1968-6-9 44505 Placer Alta. 1066 Comment
  NY9755  Arctostaphylos mewukka C. H. Merriam 1911-11-5 s.n. Placer W slope Sierra Nevada, 3 mi NW of Colfax. Comment
  CAS-BOT-BC40047  Arctostaphylos nevadensis Brandegee 1889-1-1 s.n. Placer Donner Comment
  CAS-BOT-BC40049  Arctostaphylos nevadensis R. F. Hoover 1967-9-5 s.n. Placer Carnelian Bay, Lake Tahoe Comment
  UC480734  Arctostaphylos nevadensis W. C. Blasdale 1923-7-13 Placer top of peak Lake Tahoe Region, Ellis Peak Comment
  UCD21478  Arctostaphylos nevadensis Rex Palmer 1979-5-27 N 81 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA122010  Arctostaphylos patula G. T. Nordstrom 1934-6-21 135 Placer Two miles northeast of Mammoth Springs. Comment
  UCD15603  Arctostaphylos patula Lisa Montany 1985-5-18 19 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  UCR23089  Arctostaphylos patula Susanne M. James 1980-4-22 112 Placer Hwy 267, 1.2 mi E Brockway Summitt 2134 Comment
  UCD22389  Arctostaphylos uva-ursi Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1301 Placer Gold Run rest area along Hwy 80, just before exit to Dutch Flat. 762 Comment
  CAS-BOT-BC47051  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11123 Placer Colfax. Comment
  CAS-BOT-BC47054  Arctostaphylos viscida subsp. viscida Brandegee 1889-1-1 132 Placer Blue Canyon. Comment
  CAS-BOT-BC47068  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1911-11-5 s.n. Placer Gorge Station, w. slope Sierra CPRR. 1219 Comment
  RSA252141  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer 1 mi W. of Colfax. 659 Comment
  RSA306169  Arctostaphylos viscida subsp. viscida Fay A. MacFadden 1934-3-25 12411 Placer Dutch Flat. 1067 Comment
  RSA637024  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24920 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  CDA15941  Arenaria congesta var. congesta G. F. Hrusa, J. Glazner 1999-7-17 15149 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC852269  Arenaria congesta var. suffrutescens Lewis S. Rose 1940-5-29 40416 Placer 3 mi ne Emigrant Gap 1676 Comment
  JEPS72319  Arenaria kingii var. glabrescens Gladys L. Smith 1972-6-20 3207 Placer about terminus of summit chairlift Ward Peak 2621 Comment
  SACT000296  Aristida oligantha Josephine Van Ess 1982-9-3 Placer Collected about 1 mile west of Fiddyment Road on Tributary; near old streambank, edge of ditch 27.4 Comment
  SBBG115628  Aristida oligantha B. Crampton 1961-9-27 5995 Placer ca. 1 mi W of Auburn, along US Hwy 40 Comment
  UC543761  Aristolochia californica Charles L. Phillips 1928-3-25 Placer Auburn Comment
  CHSC74186  Arnica chamissonis Susi Urie 1998-9-2 98 -200 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  CHSC74190  Arnica chamissonis Susi Urie; Eric Schroder 1998-9-11 98 -345 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC82211  Arnica chamissonis Le Roy Abrams 1911-7-27 4812 Placer Lake Valley 1950 Comment
  RSA35128  Arnica chamissonis subsp. foliosa L. S. Rose 1944-7-25 44250 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  JEPS71775  Arnica cordifolia Gladys L. Smith 1972-6-18 3154 Placer woods above Alpine Meadows 2133 Comment
  POM53360  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer On road to Lake Tahoe. Comment
  UC84125  Arnica dealbata C. F. Sonne July 1895 Placer road to Lake Tahoe Comment
  CDA12430  Arnica longifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8559 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC197284  Arnica longifolia C. F. Sonne 1897-8-1 Placer Mt. Anderson (e slope) Sierra Nevada Mountains, Mt. Anderson 2438 Comment
  JEPS20970  Arnica longifolia C. F. Sonne 1888-8-12 191 Placer Sierra Nevada Mountains Comment
  UC193595  Arnica longifolia C. F. Sonne 1885-8-23 Placer n of Tinker's Knob ((e slope Anderson's Peak)); Anderson's Peak Comment
  CAS-BOT-BC85175  Arnica mollis Arnold Tiehm 1974-8-8 5201 Placer Sierra Nevada, Murphy's Meadow 2407 Comment
  SACT000347  Arrhenatherum elatius D. Meyer 1983-6-18 Placer Mosquito Ridge Road, roadside drainage ditch, 9.9 miles east of foresthill. 667.0 Comment
  CAS-BOT-BC90717  Artemisia ludoviciana subsp. incompta John Thomas Howell 1943-7-26 18856 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  UCD21693  Artemisia rothrockii Rex Palmer 1979-6-9 N 140 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  SEINET2473493 Image available Artemisia tripartita subsp. tripartita A. Juncosa 2005-8-12 3128 Placer Placer County, about 5 air miles WSW of Tahoe City, SE slopes of Ward Peak. 2440 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
  UC1221758  Asarum lemmonii Beecher Crampton 1958-6-24 4964 Placer ca. 3 miles west of Baxter Comment
  UCD121253  Asclepias cordifolia Al Franklin 1987-5-1 87 -7 Placer 1.3 miles east of I-80 on Foresthill Road, just outside Auburn, east side of N. Fork American River Canyon. 396 Comment
  RSA331972  Asclepias cordifolia W. Wisura 1985-6-1 4051 Placer Nayak, near Emigrant Gap, along dead end rd. to railway siding, on rocks. Comment
  RSA401665C  Asclepias cordifolia N. R. Zabriskie, W. M. Zabriskie 1973-6-7 668 Placer Emigrant Gap (off I80 W of Donner Pass) Sierra Nevada Mtns. 1616 Comment
  UCD150267  Asclepias speciosa James A. Neilson Jr. 1971-7-25 2283 Placer Tahoe Basin, King's Beach. 1901 Comment
  CAS-BOT-BC99220  Aster Peter Rubtzoff 1976-9-18 8844 Placer Lake Van Norden, south side of lake - Sierra Nevada 2063 Comment
  CHSC73635  Aster alpigenus var. andersonii L. P. Janeway; Eric Schroder 1998-9-16 6318 Placer Lake Tahoe Basin Management Unit - National Forest. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. 2164 Comment
  CDA16055  Aster eatonii G. F. Hrusa, J. Glazner 2000-9-3 15683 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed 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
  RSA747125  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14031 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCR201902  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14031 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  SEINET2443006  Aster radulinus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15453 Placer Northern Sierra Nevada Mountains. Forest Hill Road, 21.7 miles northeast of the city of Foresthill. 1701 Comment
  CAS-BOT-BC177512  Astragalus austiniae Sherman Chickering 1982-7-13 s.n. Placer Summit of Tinkers Knob, south of Donner Summit 2743 Comment
  CAS-BOT-BC178757  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer Near Summit hotel in granite. 2133 Comment
  JEPS59464  Astragalus whitneyi var. lenophyllus Ezra Brainerd and Viola B. Baird 1915-7-19 200 Placer above Deer Park (summit of The Craggs); Sierra Nevada Mts., summit of the Craggs above Deer Park 2514 Comment
  CAS-BOT-BC198726  Astragalus whitneyi var. whitneyi J. F. Emmel 1968-7-25 100 Placer North slope of Donne Peak 2286 Comment
  POM160238  Athyrium americanum C. F. Sonne 1887-07 s.n. Placer East slope of Mount Anderson 2439 Comment
  JEPS35131  Athyrium distentifolium var. americanum C. F. Sonne Aug 1887 324 Placer e slope Mt Anderson (above Coldstream); Sierra Nevada Mts 2590 Comment
  CAS-BOT-BC66084  Athyrium filix-femina var. cyclosorum A. A. Heller 1919-7-25 13299 Placer near the Yuba River below Cisco 1676 Comment
  UC399390  Athyrium filix-femina var. cyclosorum Mrs. Carlotta C. Hall July 1912 Placer Lindsay; Middle Fork Feather River 1249 Comment
Read comments
Oct 12 2010
  UCR253814  Atriplex micrantha George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20101 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  SACT000366  Avena barbata Josephine Van Ess 1975-5-15 Placer collected along path from homestead site. 91.5 Comment
  RSA43812  Balsamorhiza deltoidea D. F. Howe 1948-5-23 s.n. Placer American River 305 Comment
  CAS-BOT-BC100072  Balsamorhiza macrolepis T. C. Fuller 1957-4-15 3901 Placer Roadside, Highway 99E. 2 miles north of Roseville Comment
  CAS-BOT-BC100092  Balsamorhiza sagittata Alice Eastwood 1912-6-15 363 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC16553  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  CAS-BOT-BC438815  Barbarea orthoceras George K. Helmkamp; Mary Alice Barnes 2013-4-18 20349 Placer Foothills, northern Sierra Nevada Mountains: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax. 561 Comment
  CHSC11065  Barbarea orthoceras Lowell Ahart 1969-7-30 Placer Ahart Camp, French Meadows. 1524 Comment
  UCD41245  Barbarea orthoceras Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1700 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 St. 1066 Comment
  UCR208590  Barbarea verna George K. Helmkamp, E. A. Helmkamp 2009-5-11 14663 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
  CAS-BOT-BC75540  Berberis dictyota Mrs. J. C. Hawver 1913-3-28 s.n. Placer Auburn. 365 Comment
  SACT002811  Betula pendula Josephine Van Ess 1977-10-7 Placer Collected in Jaeger Road at Mount Vernon Road the old Teagarden homestead. Abandoned homestead site, grassy slope. Comment
  UC30580  Blennosperma nanum var. nanum H. N. Bolander 1865-4-13 4565 Placer New Castle Comment
  CAS-BOT-BC15949  Boechera breweri subsp. breweri Kellogg 1870-6-17 s.n. Placer Sierra Nevada Mountains. Cisco. Comment
  CAS-BOT-BC16147  Boechera covillei John Thomas Howell 1943-7-21 18651 Placer Donner Pass to Mount Lincoln. Comment
  CAS-BOT-BC16272  Boechera howellii John F. Emmel 1971-7-11 377 Placer 0.3 air mile east of east side of Lake Mary, between Donner Pass and Mount Judah. 2286 Comment
  UCD42945  Boechera howellii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 314 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD22333  Boechera platysperma Beth Lowe Corbin 1982-8-4 242 Placer 1 1/2 mile N of Onion Creek Campground. E facing slope, 50% inclination. Unocommon. Full sun. In rocky and fine, sandy, granitic soil of loose talus slope in white fir forest. 2255 Comment
  CAS-BOT-BC14704  Boechera rectissima Katharine Brandegee s.n. Placer Tahoe Tavern. Comment
  UC855452  Boechera retrofracta Alice Eastwood Jun 15 1912-Jun 19 1912 368 Placer Deer Park Lake Tahoe Region Comment
  JEPS109849  Boechera suffrutescens Dean W. Taylor 2005-7-15 19408 Placer Martis Peak, western flank near headwaters Monte Carlo Creek, Truckee River watershed 2164 Comment
  SEINET5323261  Botrychium multifidum M. J. Williams 1970-6-7 s.n. Placer Near Emigrant Gap. 1615 Comment
  SEINET10340049  Boykinia major George K. Helmkamp, E. A. Helmkamp 2008-9-15 14115 Placer Northern Sierra Nevada Mountains; along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  SBBG70965  Boykinia occidentalis M. N. Ackley -Jun-1925 997 Placer Shirttail Cyn, American River 762 Comment
  POM92048  Boykinia occidentalis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  UC11307  Boykinia occidentalis Mrs. M. M. Hardy 1893-1 Placer 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
  UC175390  Brickellia greenei Miss Helen D. Geis 1909-8-1 Placer Deer Park, Tahoe District Comment
  SACT000457  Briza minor D. Meyer 1984-5-6 Placer 145.5 Comment
  UCD57385  Briza minor Ted Niehaus 1959-5-3 104 Placer 1/8 mile north of Granite Bay park. Folsom Lake. Comment
  UCD57424  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco. 914 Comment
  CAS-BOT-BC145513  Briza minor Peter H. Raven 1954-4-16 6604 Placer 7 miles south of Lincoln on road to Roseville. Comment
  SEINET10570657  Brodiaea Carl B. Wolf 1937-5-12 Wolfe 2799 Placer Sacramento Valley, 1 m N of Lincoln. Upper Sonorn:- Grasses. Sun, clay, open flats. 150 feet. 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
  CAS-BOT-BC482162  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  CAS-BOT-BC457059  Brodiaea coronaria subsp. coronaria R. F. Hoover 1939-5-10 4095 Placer 2 miles se of Sheridan Comment
  UC337863  Brodiaea elegans subsp. elegans unknown June, 1889 Placer near Auburn Comment
  CAS-BOT-BC144326  Bromus W. R. Dudley 1900-6-28 s.n. Placer Tallac. Comment
  UCD74173  Bromus carinatus Jennifer W. Burt 2005-7-13 35 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. 1928 Comment
  SACT000501  Bromus carinatus var. carinatus James Grove 1977-7-15 Placer 2000.0 Comment
  UC53633  Bromus carinatus var. carinatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3253 Placer between Truckee and Tahoe (Truckee River Basin); Truckee River Basin Comment
  UCD59092  Bromus carinatus var. marginatus Beecher Crampton 1953-7-21 1517 Placer Road cut along U. S. Hwy. 40, 1.5 miles east of Emigrant Gap. 1584 Comment
  CDA37176  Bromus diandrus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SACT000529  Bromus diandrus D. Meyer 1983-6-18 Placer 1170.0 Comment
  SACT000530  Bromus diandrus D. Meyer 1983-5-15 Placer field at SE corner. 36.6 Comment
  SACT000531  Bromus diandrus D. Meyer 1983-5-7 Placer Roadside Comment
  CDA36882  Bromus hordeaceus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA37199  Bromus hordeaceus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR238586  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18665 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
  SEINET4399678  Bromus hordeaceus W. D. Billings 1940-5-18 1312 Placer Gold Run Comment
  SACT000554  Bromus inermis D. Meyer 1984-7-21 Placer near golf course 2000.0 Comment
  CDA15966  Bromus laevipes G. F. Hrusa, J. Glazner 1999-7-17 15121 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SACT000595  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Garden Bar Rd. collected in woodland area. Shaded slope. Heads nodding. Comment
  SEINET3817934 Image available Bromus laevipes George K. Helmkamp, E. A. Helmkamp 2012-5-5 18910 Placer Northern Sierra Nevada Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi SE (123degrees) of Clementine Dam on the American River (Auburn 7.5' Q. 396 Comment
  UCD58912  Bromus laevipes Beecher Crampton 1955-6-15 2916 Placer 6 miles west of Forest Hill. Comment
  UCD58997  Bromus madritensis A. A. Beetle 1941-5-26 2709 Placer Near Cisco. 914 Comment
  SACT000696  Bromus marginatus D. Meyer 1983-7-30 Placer roadside ditch 1853.18 Comment
  SACT000700  Bromus marginatus D. Meyer 1983-8-7 Placer east bank 1879.0 Comment
  SACT000701  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  CAS-BOT-BC174234  Bromus orcuttianus G. 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
  JEPS69205  Bromus orcuttianus Leland S. Smith 1926-6-4 1883 Placer above Bullion Mine (Tahoe National Forest, Eldorado Canyon); Tahoe National Forest, Eldorado Canyon 1066 Comment
  SEINET3923248  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Blue Canyon.; 0 1430 Comment
  CAS-BOT-BC161976  Bromus rubens Peter H. Raven 1954-4-16 6603 Placer 7 miles south of Lincoln on road to Roseville. Comment
  SACT000716  Bromus rubens D. Meyer 1983-4-17 Placer Small drainage ditch moist sunny exposure 231.648 Comment
  UCD36324  Bromus secalinus Beecher Crampton 1953-5-26 1337 Placer Placer County, 2 miles north of Lincoln, Sunnybrook Farm. Comment
  UCD59655  Bromus secalinus Beecher Crampton 1953-5-26 1337 Placer Sunnybrook Farms, 2 miles north of Lincoln. Comment
  CAS-BOT-BC161587  Bromus sterilis Saichi Kawahara 1969-5-25 887 Placer North of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  CAS-BOT-BC161571  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mount Lincoln south of Summit Valley. 2499 Comment
  SACT000758  Bromus suksdorfii Michael Baad 1983-8-11 Placer on trail to Mildred Ridge 2133.0 Comment
  SEINET2470970  Bromus suksdorfii K. Christie 2010-7-22 1911 Placer Lake Tahoe Basin Management Unit (USFS); ca. 1.0 mi. southeast of Martis Peak. 2407 Comment
  CDA36963  Bromus tectorum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000795  Bromus vulgaris D. Meyer 1984-7-29 Placer 1661.0 Comment
  CAS-BOT-BC438323  Calandrinia ciliata John Thomas Howell; Gordon H. True 1971-5-26 47643 Placer Northern limits of Lincoln 48 Comment
  UCD35491  Calandrinia ciliata Beecher Crampton 1957-3-28 3912 Placer 3.5 miles northeast of Folsom on the road to Auburn. Base of retaining wall of Folsom Lake. Comment
  SEINET9097828  Calandrinia ciliata var. menziesii L. Smith 1979-4-12 s.n. Placer Penryn, 0.75 NE on Sisley Road off of Taylor Road, 2 feet from road. Comment
  CHSC72323  Calliscirpus brachythrix L. P. Janeway 1998-9-18 6344 Placer Small meadow just below the Pacific Crest Trail about 2.4 mi north of Barker Pass; draining into North Fork Blackwood Creek. 2331 Comment
  UCSB46165  Callitriche marginata Reisentz, Paul 1979-5-11 Placer on Highway 65; 1 mile south of Sheridan Comment
  UCD67355  Calocedrus decurrens D. Bortner 1973-6-2 123 Placer Two miles east of Foresthill, off Auburn-Foresthill Rd. Mixed conifer forest. Comment
  UCR176263  Calocedrus decurrens George K. Helmkamp, E. A. Helmkamp 2006-8-11 11211 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 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
  UCD40936  Calochortus albus Sook Hong 1989-5-20 16 Placer 5-10 miles east of Auburn on Forest Hill Road. 652 Comment
  UCR208550  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14678 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
  UCR250350  Calochortus albus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20358 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
  CDA39303  Calochortus albus A. Drieth 1960-4-15 3963 Placer Near Newcastle. 0 Comment
  CDA15651  Calochortus leichtlinii G. F. Hrusa, J. Glazner 1999-7-18 15186 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UCD21610  Calochortus leichtlinii E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1279 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. Open W-facing granite slope, ascending ridge. 2300 Comment
  UCD22050  Calochortus leichtlinii Rex Palmer 1979-7-12 N 647 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR191104  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12327 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 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
  CAS-BOT-BC490162  Calochortus leichtlinii H. D. Ripley; R. C. Barneby 1948-7-13 9825 a Placer SW. of Emigrant Gap 1676 Comment
  CAS-BOT-BC490166  Calochortus leichtlinii Hazelle A. Thomas; John 1956-7-21 6093 Placer Siera Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SD240790  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18958 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 (Foresthill 7.5'Q) 1139 Comment
  SDSU11925  Calochortus monophyllus Bill Fonle 1942-5-27 Placer Colfax 1219 Comment
  UC3442  Calochortus nudus Mrs. M. M. Hardy 1893-1 Placer Comment
  UC13829  Calochortus superbus Miss Henderson 1900-6-3 Placer Applegate Comment
  SD62109  Calochortus venustus Darley F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. 456 Comment
  UCR218991  Calycadenia multiglandulosa George 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
  UC1334171  Calycadenia multiglandulosa Thomas Morley 1946-9-28 815 Placer 1 1/2 mi ne of Alta 1188 Comment
  RSA121123  Calycadenia multiglandulosa subsp. bicolor N. H. French 1933-6-22 81 Placer North of Bald Rock Mountain 549 Comment
  UC89044  Calycadenia truncata K. Brandegee 1889-7-6 Placer near Alta; Towles Comment
  HSC33452  Calyptridium monospermum Thomas W. Nelson, James Nelson 1974-6-17 1357 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  UC852136  Calyptridium monospermum A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  UCR216033  Calyptridium monospermum George K. Helmkamp, Amy Barnes 2009-7-12 15187 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UCR240905  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19228 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UC126869  Calyptridium monospermum Miss H. A. Walker 1908-6-23 1207 Placer Blue Canyon Station; Sierra Nevada, Blue Canyon Station 1470 Comment
  JEPS126274  Calyptridium umbellatum Steve Matson 1998-5-24 210 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  UCD34551  Calyptridium umbellatum Beecher Crampton 1985-6-23 9996 Placer North Shore Lake Tahoe, Stateline road. Comment
  CHSC79286  Calystegia malacophylla Beecher Crampton 1972-7-26 8846 Placer Carpenter Flat east of Emigrant Gap. Dry slope above Laings road. 1615 Comment
  POM71000  Calystegia malacophylla Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. 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
  UCD126144  Calystegia occidentalis D. H. Hartmann 1941-6-8 s.n. Placer E. of Auburn, along U.S. #40. 914 Comment
  UCD14941  Calystegia occidentalis Julie Knorr 1977-5-29 23 Placer California, Placer Co.; 2 miles from Auburn-Foresthill Road, along Old Foresthill Road; 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
  UC1965406  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22051 Placer Tahoe National Forest, 8.2 miles NE of Forest Hill, on Sugar Pine Road 4.4 miles from Forest Hill Divide Road Comment
  UCR200865  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2008-9-15 14114 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  SEINET10463082  Campanula prenanthoides Jones 1900-7-26 Jones s.n. Placer BLUE CANYON 4800 Comment
  CAS-BOT-BC37365  Cardamine californica G. L. Stebbins 1978-5-28 7876 Placer Along Ralston Ridge. Brushy Spring. 1463 Comment
  UC170121  Cardamine cordifolia var. lyallii Miss Helen D. Geis 1912-6 65 Placer Deer Park Comment
  CAS-BOT-BC259177  Cardamine pensylvanica George K. Helmkamp; E. A. Helmkamp 2012-2-23 18576 Placer Eastern edge Sacramento Valley: Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  CDA39063  Carduus nutans Preston Neufeld 2013-7-29 PDR# 310 P06129934 Placer Vicinity of Truckee; 192 Basque Drive. Comment
  SEINET3402476  Carduus pycnocephalus subsp. pycnocephalus R. W. Spellenberg, N. Zucker 2011-4-15 14276 Placer Along CA Hwy. 65 1.5 km N of Lincoln, ca. 40 air km NE of Sacramento. 55 Comment
  UCD43388  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 756 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44591  Carex alma C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1957 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD43227  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 596 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44586  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1952 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 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
  CAS-BOT-BC20168  Carex filifolia var. erostrata Marcus E. Jones 1882-6-18 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC20689  Carex fracta Saichi Kawahara 1969-5-25 1004 Placer Mel Henderson Ranch, Indian Creek. 987 Comment
  SEINET1876647  Carex fracta David Keil 1978-7-23 K- 12946 Placer Cisco Grove exit from I-80, just E of Nevada Co. line Comment
  SEINET5786553 Image available Carex geyeri Marcus E. Jones 1882-1 3286 Placer Emigrant Gap Comment
  CAS-BOT-BC22174  Carex helleri Arnold Tiehm 1974-8-8 511 Placer South of Murphy's Meadow. 2529 Comment
  CHSC67704  Carex heteroneura var. heteroneura James D. Jokerst 1986-7-13 2707 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  UC1133388  Carex hoodii H. S. Yates 1936-8-9 5993 Placer 2 mi sw Martis Peak; Truckee Quadrangle Comment
Read comments
Aug 8 2010
  CAS-BOT-BC7849  Carex infirminervia Lewis S. Rose 1944-7-25 44245 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CHSC84724  Carex infirminervia L. P. Janeway; B. Castro 2003-8-23 7964 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
  SEINET5332347 Image available Carex integra A. A. Heller 2009-7-16 9841 Placer Summit 2134 Comment
  UCR66604  Carex jonesii J. T. Howell 1938-8-2 14000 Placer 5 mi north of Brockway. 2447 Comment
  JEPS63538  Carex lenticularis var. impressa W. L. Jepson 1931-6-17 15930 Placer Tahoe Vista Lake Tahoe, Tahoe Vista Comment
  CAS-BOT-BC31491  Carex leptopoda W. R. Dudley 1909-8-13 s.n. Placer Little Fork Pond, Dutch Flat. Comment
  CHSC72320  Carex luzulifolia L. P. Janeway 1998-9-18 6346 Placer Small meadow just below the Pacific Crest Trail about 2.4 mi north of Barker Pass; draining into North Fork Blackwood Creek. 2331 Comment
  SEINET3000400 Image available Carex luzulifolia Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  CAS-BOT-BC31625  Carex luzulina var. luzulina Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. 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
  UCD74079  Carex microptera Jennifer W. Burt 2006-7-1 171 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. 1975 Comment
  CAS-BOT-BC31835  Carex microptera L. S. Smith 1928-6-1 2271 Placer Blackwood Canyon near Walkers. 1950 Comment
  CAS-BOT-BC32062  Carex multicaulis Saichi Kawahara 1969-5-24 877 Placer Mineshaft E of old cabin E bank of Indian Creek, Mel Henderson Ranch. 1002 Comment
  UC825430  Carex multicaulis Marcus E. Jones, A. M. 1882-6-28 3286 Placer Emigrant Gap Comment
  UC833299  Carex multicaulis Marcus E. Jones, A. M. 1882-6-28 3286 Placer Emigrant Gap Comment
  UCD69246  Carex multicaulis D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. Mesic white fir forests. 1500 Comment
  UCR66601  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer c. 1 mi west of Baxter. Comment
  CHSC74011  Carex nebrascensis Susi Urie 1998-8-18 98 -070 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74297  Carex nebrascensis Susi Urie 1998-8-29 98 -170 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 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
  CDA12407  Carex nervina G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8535 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD80257  Carex nudata CNPS SN Foothill Team 2005-4-13 SNFN 0107 b Placer Placer Legacy, on Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  CAS-BOT-BC119033  Carex pellita John Thomas Howell 1943-7-22 18715 Placer Summit Valley 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
  CAS-BOT-BC119032  Carex pellita John Thomas Howell 1938-8-2 13998 Placer 5 miles N of Brockway. Comment
  UCD43367  Carex phaeocephala C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 735 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43953  Carex praegracilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1319 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC68062  Carex raynoldsii James D. Jokerst 1986-7-13 2702 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  CAS-BOT-BC118612  Carex raynoldsii Edward W. Colson 1976-7-6 8719 Placer Lake Van Norden 2063 Comment
  HSC95414  Carex scopulorum var. bracteosa L. P. Janeway, B. Castro 2003-8-24 7969 Placer N High Sierra Nevada, below Pacific Crest Trail, 2.1 km N of Barker Pass, head of small drainage into N Fork Blackwood Creek 2365 Comment
  SEINET4285926 Image available Carex simulata K. Chung, Matson, S 2009-1 1079 Placer Lake Tahoe, north side Comment
  SEINET10751191  Carex simulata John Thomas Howell 1943-7-22 Howell 18696 Placer Summit Valley. Comment
  JEPS73188  Carex spectabilis Gladys L. Smith 1972-8-25 3429 Placer Trail descending cirque, north face Granite Chief 2590 Comment
  CAS-BOT-BC116993  Carex straminiformis John Thomas Howell 1943-7-21 18667 Placer Mt. Lincoln Comment
  CAS-BOT-BC116553  Carex subfusca John Thomas Howell 1943-7-27 18871 Placer Lake Tahoe near Tahoe Pines. Comment
  CAS-BOT-BC116556  Carex subfusca Peter H. Raven 1956-8-4 10000 Placer Moist hillside 1 mi from Blue Canyon on road to Emigrant Gap. Comment
  CAS-BOT-BC20687  Carex subfusca Lewis S. Rose 1946-6-23 s.n. Placer Rainbow, N of Cisco. 1737 Comment
  CDA13692  Carex subfusca G. F. Hrusa, J. Glazner 1997-8-3 14052 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UC1729954  Carex subfusca L. P. Janeway, Eric Schroder 1998-9-16 6337 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek); Homewood Quadrangle 2124 Comment
  UCD43057  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 425 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC115400  Carex utriculata Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca 3 mi S of French Meadows 1600 Comment
  CHSC72896  Carex utriculata L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5763 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CHSC74315  Carex utriculata Susi Urie 1998-9-3 98 -225 Placer Lake Tahoe Basin Management Unit. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CAS-BOT-BC115054  Carex vesicaria Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca 3 mi S of French Meadows. 1600 Comment
  CHSC74894  Carex vesicaria Susi Urie 1998-8-27 98 -124 Placer Lake Tahoe Basin Management Unit. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  SACT002751  Carya illinoinensis Josephine Van Ess 1977-10-7 Placer Collected at intersection with Mount Vernon Road. Fruits immature. Old home site. 353.7 Comment
  POM132269  Cassiope mertensiana subsp. californica C. F. Sonne 1892-7-31 s.n. Placer Mts. above Coldstream. 2591 Comment
Read comments
Aug 2 2009
  SEINET7269638  Cassiope mertensiana subsp. californica W. D. Billings 1950-7-30 1918 Placer Sierra Nevada, northeast side of Squaw Peak 2560 Comment
  SCFS1220  Castilleja E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top Meadow. Comment
  SEINET12328853  Castilleja applegatei J. H. Nishida 1985-1 771 Placer Homewood 1829 Comment
  JEPS8664  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-20 3892 Placer about 2 mi e and below Forest Hill (n side of Middle Fork Canyon (American River), at Volcano Canyon, along oiled road of lumber company); Middle Fork Canyon (American River), Volcano Canyon 762 Comment
  RSA569050  Castilleja applegatei subsp. pinetorum Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC148992  Castilleja applegatei subsp. pinetorum H. M. Hall Jul 1910 8707 Placer Cisco; Sierra Nevada Mountains 1798 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
  UC1586062  Castilleja attenuata Barbara Ertter with David Thompson 1989-4-8 8159 Placer near Auburn State Recreation Area entrance (Iowa Creek Road, ca 2 mi from I-80, at creek crossing) 518 Comment
  UCD122501  Castilleja foliolosa G. K. Helmkamp; Elizabeth Helmkamp 2007-3-25 11715 Placer Northern Sierra Nevada Mountains: Forest Hill Road at the junction with the unnamed road to Lake Clementine. 457 Comment
  UCR173771  Castilleja foliolosa George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10717 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  UC174621  Castilleja miniata A. A. Heller 1909-7-16 9848 Placer Summit 2133 Comment
  JEPS27221  Castilleja miniata E. R. Blakley 1960-9-2 3803 Placer mouth of Carnelian Creek Carnelian Creek; Lake Tahoe 1905 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
  RSA448748  Castilleja miniata Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  CDA16803  Castilleja miniata subsp. miniata G. F. Hrusa, J. Glazner 2001-7-15 15942 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2316 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
  UCD44505  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1871 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR171346  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp 2005-10-1 9985 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
  UCR201514  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14026 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  UCD21856  Castilleja pilosa Beth Lowe Corbin 1982-8-11 313 Placer 1 1/2 mile WSW of Onion Creek campground. 1935 Comment
  CHSC74272  Castilleja tenuis Susi Urie 1998-9-4 98 -258 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 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
  CAS-BOT-BC47898  Ceanothus cordulatus H. E. McMinn 1926-5-29 1754 Placer 3.1 miles east of Crystal Springs Comment
  CAS-BOT-BC48698  Ceanothus cordulatus Brandegee 1899-7-1 9 Placer Donner Comment
  UC496450  Ceanothus cordulatus Merle Randall 1930-6-26 Placer 3/8 mi from top Hawley Grade; Lake Tahoe Region Comment
  UCD22206  Ceanothus cordulatus Rex Palmer 1979-6-21 N 398 Placer Headwaters basin area of the North Fork of the American River Comment
  POM148040  Ceanothus cuneatus Alice Eastwood 1927-3-26 14192 Placer On road between Placerville and Coloma. Comment
  SACT002904  Ceanothus cuneatus Michael Baad 1977-4-13 Placer 0.2 mile north of Highway I80 on Placer Hills Road to Meadow Vista, ecotone between ponderosa pine forest and chaparral 502.92 Comment
  SEINET5339262  Ceanothus cuneatus H. Holbo 1961-3-31 s.n. Placer N. fork American River 610 Comment
  UC1281452  Ceanothus cuneatus var. cuneatus H. E. McMinn and G. Townsley 5425 Placer e Alto (along old road to Hwy 40) 1188 Comment
  RSA399058  Ceanothus diversifolius Fay A. MacFadden 1934-3-30 12409 Placer Dutch Flat. Comment
  JEPS26853  Ceanothus fresnensis L. S. Smith 1931-8-27 2631 Placer near French Meadow (on divide betw Middle Fork American River and Long Canyon) 1981 Comment
  UCD22202  Ceanothus fresnensis Rex Palmer 1979-5-26 N 4 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  CAS-BOT-BC50763  Ceanothus integerrimus Brandegee 1889-7-1 26 Placer Alta Comment
  CAS-BOT-BC50799  Ceanothus integerrimus Marcus E. Jones 1882-6-28 2656 Placer Emigrant Gap Comment
  SD241942  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15900 Placer Siera Nevada Mountains Foothills: Rattleshake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 308 Comment
  UC1070714  Ceanothus integerrimus J. E. Sowder, R. W. Lundh 1933-5-15 29 Placer n slope of Colfax Hill Colfax quad. 822 Comment
  UC112945  Ceanothus integerrimus Katharine Brandegee 1908-7-17 Placer Blue Canyon Comment
  UC18463  Ceanothus integerrimus C. F. Sonne 1888-4-17 16 Placer Auburn Sierra Nevada Mts. Comment
  UCD16104  Ceanothus integerrimus A. Bebensee 1984-5-13 s.n. Placer California. Placer County: 9 mi. NE of Auburn on Forest Hill Rd. West side of the road. Comment
  UCD22211  Ceanothus integerrimus Rex Palmer 1979-6-21 N 394 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC59592  Ceanothus integerrimus var. californicus Gary H. Bolton 1975-5-24 40 Placer Auburn-Foresthill Road and Spring Garden Road intersection. Comment
  SACT002934  Ceanothus integerrimus var. californicus Josephine Van Ess 1977-5-13 Placer Rocky streambank, light shade. 365.8 Comment
  CAS-BOT-BC51041  Ceanothus integerrimus var. macrothyrsus Mrs. Marian Campbell 1920-6-28 s.n. Placer Summit Comment
  SBBG26946  Ceanothus lemmonii C. L. Hitchcock 1927-5-7 6327 Placer ca. 1 mi W of Baxter Comment
  UCSB24043  Ceanothus lemmonii McMinn, H. 1931-6-26 Placer 8 mi. S of Grass Valley Comment
  POM90822  Ceanothus lemmonii J. G. Lemmon 1889-5-26 188 Placer Johnsons Ranch near Quincy Comment
  UCD33846  Ceanothus leucodermis Beecher Crampton 1973-10-2 9021 Placer Placer County, 1 mile east of Baxter. 1280 Comment
  CHSC78095  Ceanothus prostratus Caleb E. Casey 1999-5-16 Placer Sugar Pine reservoir, Forest Service road 26, along trail 11E26. Found on roadbank in Pinus ponderosa woodland. 1188 Comment
  UCD112644  Ceanothus prostratus Eric Brenner; John Hunter 1996-5-26 014 Placer Big Trees, Mosquito Ridge Rd, Tahoe National Forest. 1740 Comment
  UCD112659  Ceanothus prostratus R. Prag 1973-6-26 s.n. Placer Ward Valley. Comment
  UCR260825  Ceanothus prostratus M. Kauffman 1997-5-18 17 Placer Sierra Nevada Mtns., 0.1 mile from Indian Springs Trailhead on Eagle Lakes Road 1768 Comment
  UCR47952  Ceanothus prostratus Robert E. Sholars 1975-5-4 25 Placer Along Auburn-Foresthill Road, 3 miles west of Foresthill Comment
  POM86912  Ceanothus ramulosus Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
Read comments
Sep 3 2010
  RSA264955  Ceanothus tomentosus Wyrick 1975-4-27 9633 Placer near Cape horn near Colfax 793 Comment
  UC1071435  Ceanothus tomentosus B. Bolt 1934-7-4 79 Placer Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UC1281303  Ceanothus tomentosus H. E. McMinn 1926-5-29 1708 m Placer 10.6 mi w Crystal Springs; w of Crystal Springs Comment
  RSA95357  Ceanothus tomentosus Hamilton Peers 1933-5-12 s.n. Placer Colfax Comment
  CAS-BOT-BC52883  Ceanothus tomentosus var. tomentosus H. E. McMinn 1926-5-29 1708 Placer 10.6 mi. west of Crystal Springs Comment
  UCD112784  Ceanothus velutinus Rex Palmer 1979-5-26 N 5 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  CAS-BOT-BC52403  Ceanothus velutinus var. velutinus Dr. W. B. Stephens 1922-7-7 s.n. Placer South of Salmon Lake, crest of ridge Comment
  CAS-BOT-BC63180  Ceanothus velutinus var. velutinus J. Clausen 1932-9-15 648 Placer 2 mi. w. of Tahoe Tavern on the Truckee Rd. 1859 Comment
  SBBG4594  Ceanothus velutinus var. velutinus E. R. Blakley 1960-8-29 3790 Placer Carnelian Bay, Lake Tahoe 1950 Comment
  CDA19805  Centaurea maculosa R. Breckenridge 1998-7-22 PDR 389790 Placer Sierra Nevada; Silver Strike & Northstar Drive near Truckee. 0 Comment
  CDA19809  Centaurea maculosa R. Breckenridge 1998-7-22 PDR 389788 Placer Sierra Nevada; Squaw Valley entrance road, 0.1 mi to tennis court. 0 Comment
  SEINET2441556  Centaurea maculosa George K. Helmkamp, E. A. Helmkamp 2009-8-12 15421 Placer Sierra Nevada Mountains: Forest Hill road, 14.0 miles northeast of the city of Foresthill (Westville 7.5' Q.). 1564 Comment
  CAS-BOT-BC277036  Centaurea maculosa T. C. Fuller 1963-8-28 11177 Placer N. side of Hwy 40 freeway to Truckee, 0.5 mi. e. of Hampshire Rocks Comment
  CDA7272  Centaurea maculosa T. C. Fuller 1964-9-1 12569 Placer Sierra Nevada; Sierra Nevada. N side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  UC1119120  Centaurea melitensis C. R. Clar 1933-5-5 114 Placer e of Newcastle; Sacramento 182 Comment
  UCR231863  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-10-16 17023 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
  UCR258194  Centaurea solstitialis George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20020 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  OBI60153  Centaurium muehlenbergii David J. Keil, with Kathleen A. Keil 1999-7-17 28382 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  SEINET7379746 Image available Centromadia fitchii A. Tiehm 1973-9-23 s.n. Placer [Sierra Nevada] Donner summit at Kingvale turnoff 2073 Comment
  CAS-BOT-BC222948  Cephalanthus occidentalis Carl B. Wolf 1930-10-11 1734 Placer 2 miles below Auburn, along Auburn Ravine 365 Comment
  CAS-BOT-BC384866  Cerastium Saichi Kawahara 1969-5-25 903 Placer Mel Henderson Ranch, east bank of Indian Creek 987 Comment
  JEPS126362  Cerastium fontanum subsp. vulgare Steve Matson 2002-7-5 551 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; West Fork Snow Creek about 300 yards NW of pond, near creek and spring. Comment
  CDA36894  Cerastium glomeratum CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  POM28572  Cercis occidentalis Marcus E. Jones 1882-7-4 3572 Placer Colfax Comment
  UCD159478  Chaenactis douglasii D. S. Park 2010-8-21 231 Placer Off Hampshire Rocks Rd. Shaded understory. Not adundant. Few individuals near dried creek bed. 1806 Comment
  SEINET11826500  Chaenactis douglasii Unknown 1972-1 s.n. Placer French Meadows 1524 Comment
  UCD130277  Chaenactis douglasii var. douglasii G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12624 Placer Northern Sierra Nevada Mountains; southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCD19685  Chaenactis douglasii var. douglasii Donald W. Kyhos 1967-9-3 67 -90 Placer On Hwy 89, 2.3 miles south of Hwy. 80 on a bank just west of Hwy. 89. Comment
  CAS-BOT-BC277776  Chaenactis nevadensis C. F. Sonne 1887-8-7 s.n. Placer Sierra Nevada Mountains. Mts. above Coldstream (near Summit) 2590 Comment
  RSA0001017  Chaenactis rubricaulis Harriet Ann Walker 1910-6-22 2170 Placer Deer Park, in the Sierra Nevada 1970 Comment
  CAS-BOT-BC140757  Chamaebatia foliolosa Noel F. Sommer 1954-5-19 97 Placer .6 mile north of U.S. Highway 40 on Dutch Flat road 1066 Comment
  UC12154  Chamaebatia foliolosa Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UC859465  Chamaebatia foliolosa Marcus E. Jones, A. M. 1882-6-28 3297 Placer Emigrant Gap Comment
  UCR246506  Chamaebatia foliolosa Gregory Brickner 1984-5-12 027 Placer off Forest Hill Road 5 mi east of Auburn 439 Comment
  SEINET6336142  Chamaebatia foliolosa P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 miles from end of railroad bridge on CA 194. Winding road, plot located on the right past parking area, down path approximately 60 meters 1676 Comment
  UC103955  Chamaesaracha nana C. F. Sonne Aug 1897 Placer above Coldstream; Sierra Nevada Mountains Comment
  UC196661  Chamaesyce nutans E. O. Amundsen 1916-9-3 Placer East Auburn Comment
  CHSC82572  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2002-7-22 9886 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
  UCD43132  Chamaesyce serpyllifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 500 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  OBI20165  Chamerion angustifolium David J. Keil 1978-7-23 12937 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCD33725  Chamerion angustifolium Beecher Crampton 1972-7-26 8830 Placer Ca. 3 miles east of Baxter on Hwy. 80 E. 1524 Comment
  CAS-BOT-BC70191  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
  CAS-BOT-BC70194  Cheilanthes gracillima Gordon H. True 1968-4-17 4166 Placer Hwy. 80 near Alta 1097 Comment
  CHSC32988  Cheilanthes gracillima Paula J. Minton 1980-4-5 1 Placer 1/2 mi n of North Fork Dam of the North Fork of the American River, Auburn. 472 Comment
  RSA685843  Cheilanthes gracillima Fay A. MacFadden 1934-3-30 12534 Placer Placer County: Dutch Flat. Comment
  UCR170318  Chenopodium berlandieri George K. Helmkamp, Elizabeth Helmkamp 2005-9-30 9952 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UC1120955  Chimaphila umbellata G. T. Nordstrom 1934-6-18 108 Placer n. slope Texas Hill (Plot 201); Tahoe Nat'l Forest, Colfax Quad. 1584 Comment
  SEINET7220243  Chimaphila umbellata P. Lehenbauer 1929-8-15 2579 Placer Carnelian Bay [North shore of Lake Tahoe] Comment
  UCR218121  Chlorogalum grandiflorum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16394 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CDA42828  Chondrilla juncea G. F. Hrusa, M. Pitcairn 2015-7-16 18651 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  UCD159460  Chondrilla juncea D. S. Park 2010-8-11 214 Placer East of Lincoln. All along Hwy 193. Abundant. 86 Comment
  SD243150  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains:Deadwood Riad, 1.2 miles south of its junction with Forest Hill Road (Westville 7.5'Q) 1563 Comment
  UC1135234  Chrysolepis sempervirens G. T. Nordstrom 1934-6-19 115 Placer 0.5 mi ne Texas Hill; Tahoe National Forest, Colfax Quad. 1554 Comment
  UC147577  Chrysolepis sempervirens Harriet A. Walker 1908-6-23 1228 Placer Blue Canyon 1432 Comment
  SEINET11860558  Chrysothamnus nauseosus subsp. albicaulis L. S. Rose 1938-9-14 38258 Placer South Fork of Yuba River, Cisco 1615 Comment
  POM46097  Circaea alpina subsp. pacifica Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  CHSC11047  Cirsium andersonii Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  JEPS126389  Cirsium andersonii Steve Matson 1997-7-24 126 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  UCD130541  Cirsium arvense T. C. Fuller 1964-5-18 11980 Placer west side of Dutch Flat Hwy, 0.8 mile south of Dutch Flat P.O. Comment
  CAS-BOT-BC284391  Cirsium arvense T. C. Fuller 1964-5-18 11980 Placer W. side of Dutch Flat Hwy, 0.8 mi. S. of Dutch Flat P.O. Comment
  SD234291  Cirsium occidentale var. californicum G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12200 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp. 963 Comment
  UCR231858  Cirsium vulgare George K. Helmkamp, E. A. Helmkamp 2010-8-11 16761 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  CAS-BOT-BC438646  Cistanthe C. F. Sonne 1886-8-1 s.n. Placer Sierra Nevada Mountains. Mts above Coldstream 2590 Comment
  CAS-BOT-BC439032  Cistanthe monosperma Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC228890  Cistanthe umbellata A. A. Heller 1917-8-13 12912 Placer Ridge northwest of Donner Pass 2346 Comment
  UC930772  Clarkia biloba A. A. Heller 1917-6-19 12746 Placer 4 mi e Colfax Comment
  SD247463  Clarkia biloba subsp. biloba George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20827 Placer Northern Sierra Nevada Mountains Foothills: junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill (Colfax 7.5'Q) 462 Comment
  SEINET3260628 Image available Clarkia biloba subsp. biloba Marcus E. Jones 1882-7-3 3340 Placer Colfax. Comment
  CHSC98935  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-7 1247 Placer North of Colfax, east side Hwy I-80, south of the Long Ravine railroad trestle. Between I-80 and the frontage road to the east. 658 Comment
  UCD104325  Clarkia biloba subsp. brandegeeae Ellen Dean 2006-5-22 3140 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
  UCD104053  Clarkia dudleyana Julie Combs 1994-5-14 25 Placer 1/2 mile E of Robie St. along hiking trail. 274 Comment
  CAS-BOT-BC162496  Clarkia purpurea subsp. purpurea Alice Eastwood 1921-5-22 10593 a Placer Sacramento Valley, between Lincoln & Sheridan Comment
  UCR219652  Clarkia purpurea subsp. viminea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16414 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
  CAS-BOT-BC164735  Clarkia rhomboidea Marcus E. Jones 1882-6-30 2719 Placer Emigrant Gap Comment
  POM250666  Clarkia rhomboidea Lincoln Constance 1938-6-8 2287 Placer 3 miles north of Nevada City, Sierra Nevada foothills 762 Comment
  UC422927  Clarkia unguiculata W. W. Mackie 1904-4 Placer Newcastle Comment
  UCR174012  Clarkia unguiculata George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10710 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  SEINET5336354  Claytonia parviflora subsp. grandiflora C. Aarstad, Hugh 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 Grench Meadows. 518 Comment
  UC198907  Claytonia parviflora subsp. parviflora C. F. Sonne Jun 1896 Placer near Truckee 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
  UC192272  Claytonia rubra subsp. rubra C. F. Sonne Aug 1883 Placer Head of Donner Lake Comment
  LA207189  Clematis lasiantha Annetta M. Carter; 1937-4-25 1248 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis 152 Comment
  RSA781185  Collinsia heterophylla George K. Helmkamp, E. A. Helmkamp 2010-4-17 15897 Placer Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill 308 Comment
  JEPS26110  Collinsia parviflora Peter H. Raven 1958-6-14 13212 Placer w side Donner Pass 2164 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
  RSA481908  Collinsia sparsiflora var. collina Aaron Liston 1988-3-14 696 -1 Placer 3.5 miles N of Auburn; Dry Creek Road. 450 Comment
  POM49312  Collinsia tinctoria Marcus E. Jones 1882-7-3 3433 Placer Colfax. Comment
  SEINET5796622 Image available Collinsia tinctoria Marcus E. Jones 1882-1 Placer Colfax; 39.10073 -120.953276 Comment
  UC885593  Collinsia tinctoria Marcus E. Jones, A. M. 1882-7-3 3433 Placer Colfax Comment
  OBI49270  Collinsia torreyi Lewis S. Rose 1940-6-2 40456 Placer Truckee River, 10 mi N of Tahoe City 1829 Comment
  UCD42947  Collinsia torreyi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 316 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET8731914 Image available Collinsia torreyi L. S. Rose 1941-1 41320 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  SEINET13406843  Collinsia torreyi var. torreyi P. A. Lehenbauer, R. E. L. 1922-7-9 784 Placer Lake Tahoe, between Homewood and McKinny's [Resort]. Comment
  SEINET3159395  Collinsia torreyi var. wrightii L. S. Rose 1940-6-2 40456 Placer Truckee River, 10 mi N of Tahoe City 1829 Comment
  UCD21871  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 211 Placer Headwaters basin area of the North Fork of the American River Comment
  UC879748  Collomia grandiflora Lewis S. Rose 1937-7-29 37611 Placer meadows Tahoe Vista 1905 Comment
  UC1980585  Collomia grandiflora C. Rose Broome, Crissie Cagle 1978-8-2 2311 Placer Laing Rd. (frontage rd. to Rancho Sierra Inn) just S of I-80 at Emigrant Gap exit. Mountain meadow. Comment
  JEPS127421  Collomia linearis Steve Matson 2003-6-29 819 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 yards north of Highway 257 and along Martis Creek. Comment
  JEPS71313  Collomia linearis Gladys L. Smith 1972-6-18 3149 Placer open meadow Alpine Meadows 2072 Comment
  JEPS127420  Collomia tinctoria Steve Matson 2003-6-27 813 Placer Tahoe North Shore, Griff Creek Watershed, above Kings Beach, CA; along Forest Service Road. Comment
  JEPS6795  Cordylanthus tenuis subsp. tenuis W. L. Jepson 1918-8-20 8075 Placer Lake Tahoe Tahoe City 1905 Comment
  RSA755612  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  UC103431  Cordylanthus tenuis subsp. tenuis C. F. Sonne Aug. 1897 Placer Truckee River Sierra Nevada Mountains 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
  RSA412351  Cordylanthus tenuis subsp. tenuis Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  POM146205  Cornus californica J. B. Feudge 1725 Placer W. of Immigrant Gap. 1524 Comment
  CAS-BOT-BC209871  Cornus nuttallii Saichi Kawahara 1969-5-25 895 Placer Mel Henderson Ranch, Indian Creek 1011 Comment
  CHSC91627  Cornus nuttallii M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 227 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  CHSC96762  Cornus nuttallii M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 227 Placer Forest Hill Divide. Placer County. UTM: 10S, 4329930 N, 0691823 E. Hughes Mill, along Finning Mill Rd, - 3 mi N of Forest Hill Rd, - 3 mi E of Forest Hill. 1066 Comment
  UC21519  Cornus nuttallii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD14939  Cornus nuttallii John Warren 1977-6-4 44 Placer California, Placer Co.; 3.2 miles northwest of the junction with Interstate-80 along Highway 20; Comment
  UCD70596  Cornus nuttallii Martin J. Beran 1994-5-27 23 Placer Lang Crossing of HWY 20, South Fork of Yuba River; 20 m from river along dirt road; moist soil; with ferns, Calocedrus, Acer; tree, height 4-5 m, fls green, common. 1414 Comment
  UC484021  Cornus sericea subsp. sericea Carl B. Wolf 1930-10-10 Placer 1 mi. e. Cisco; Sierra Nevada 1828 Comment
  UCD150476  Cornus sessilis James A. Neilson Jr. 1970-7-9 1493 Placer Tahoe Basin, near mouth of Ward Creek. 1905 Comment
  CDA39023  Coronilla varia D. G. Kelch 2011-10-3 11 .818 Placer Tahoe City. Granlibakken Resort. Comment
  CHSC40042  Corydalis caseana subsp. caseana C. F. Sonne 1890-8-9 12 Placer Sierra Nevada Mountains. Shady Ravine on Truckee River. Comment
  JEPS126259  Corydalis caseana subsp. caseana Steve Matson 2002-5-26 636 Placer Tahoe north shore; above Tahoe City; south side of Antone Meadows. Comment
  SDSU4788  Corylus cornuta var. californica D. R. Harvey 1960-5-29 Placer Between Michigan Bluff and Forest Hill. 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
  UC895340  Crepis occidentalis Alice Eastwood Jun 15 1912-Jun 19 1912 460 Placer Tahoe City Lake Tahoe Region Comment
  UCD163428  Crypsis schoenoides Robert E. Preston 2015-6-15 3005 Placer 1.7 mi SE of Sheridan, 0.4 mi E of Old Hwy 65, 0.1 mi N of Yankee Slough. 31 Comment
  JEPS126400  Cryptantha affinis Steve Matson 1998-6-23 300 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. at junction with west fork of Snow Creek. Comment
  CAS-BOT-BC218775  Cryptantha humilis John Thomas Howell 1943-7-26 18845 Placer Mt. Lincoln Comment
  UC24998  Cryptantha humilis C. F. Sonne Jul 1 1886-Jul 10 1887 Placer Rocky Peak, on Truckee River Sierra Nevada Mountains, Truckee River Comment
  UC24714  Cryptantha intermedia V. Rattan 1860-1 11 Placer Placeville Comment
  JEPS126397  Cryptantha simulans Steve Matson 1997-8-17 810 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course along trails. Comment
  UCD22120  Cryptantha torreyana Beth Lowe Corbin 1982-8-2 156 Placer Onion Creek Campground. South facing slope. Partial shade. In locally uncommon groups of about 25. In fine, sandy, granitic soil of mixed conifer forest. Annual herb, flowers white. 1841 Comment
  SEINET11266516  Cryptantha torreyana Kaye H. Thorne, J. Chandler 1987-6-26 5418 Placer C.A Hwy 267, 3.2 mi s of Brockway Summit.; 0 Comment
  JEPS126401  Cryptantha torreyana var. torreyana Steve Matson 1997-6-1 45 Placer nSNH; Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on old fill material near Highway 28. Comment
  CHSC97748  Cuscuta pentagona Lowell Ahart 2007-11-13 14592 Placer On Xanthium strumarium, 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
  UCD150751  Cuscuta suksdorfii James A. Neilson Jr. 1971-8-31 2553 Placer Tahoe Basin, Blackwood Creek. 2133 Comment
  UCSB32294  Cymopterus terebinthinus var. californicus Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  SBBG115820  Cynodon dactylon B. Crampton 1965-9-13 7493 Placer Gold Run, Interstate 80 975 Comment
  CAS-BOT-BC190357  Cynosurus echinatus Saichi Kawahara 1969-7-6 1415 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  SACT000849  Cynosurus echinatus D. Meyer 1983-7-24 Placer Moist shady roadside. 1036.32 Comment
  SACT000856  Cynosurus echinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  CAS-BOT-BC114550  Cyperus eragrostis Brighton C. Cain 1925-8-15 4 Placer 2 miles south of Auburn at Wise Power House. 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
  RSA692808  Cystopteris fragilis May N. Ackley 1924-06 32 Placer Bear Valley 1372 Comment
  SACT000873  Dactylis glomerata D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT000884  Danthonia californica var. americana Michael Baad 1976-8-4 Placer Northeast of Mildred Ridge 1975.0 Comment
  UCD32808  Danthonia californica var. americana Beecher Crampton 1964-7-21 7118 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. Comment
  UCD61008  Danthonia californica var. americana E. Wilson 1935-8-11 s. n. Placer Cisco Grove. Comment
  CAS-BOT-BC194417  Danthonia intermedia Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows - Sierra Nevada 1600 Comment
  CDA13677  Danthonia unispicata G. F. Hrusa, J. Glazner 1997-8-3 14037 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Clumping perennial in sites seasonally moist. Meadow edges. Comment
  UCD22271  Dasiphora fruticosa Rex Palmer 1979-6-20 N 351 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET6647469  Dasiphora fruticosa P. B. Kennedy, S. B. Doten 1901-8-10 275 Placer Summit of Tinker Knob. Comment
  SCFS1228  Delphinium E. Krimmel 2014-6-26 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  CAS-BOT-BC1415  Delphinium andersonii Mrs. M. M. Hardy 1893-1-1 s.n. Placer Placer County Comment
  UCD44480  Delphinium glaucum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1846 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR208275  Delphinium gracilentum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14642 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CAS-BOT-BC116091  Delphinium nuttallianum A. A. Heller 1917-6-17 12700 Placer Near the Yuba river below Cisco. 1676 Comment
  UC854105  Delphinium nuttallianum Lewis S. Rose 1939-6-5 39214 Placer meadow near Emigrant Gap; Bear Valley 1371 Comment
  UCD22185  Delphinium nuttallianum Rex Palmer 1979-7-25 N 697 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22187  Delphinium nuttallianum Rex Palmer 1979-6-9 N 166 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC116087  Delphinium nuttallianum Lewis Samuel Rose 1944-7-16 44131 Placer Miller Lake, 5 mi. W of Chambers Lodge, Lake Tahoe 2133 Comment
  CAS-BOT-BC121998  Delphinium variegatum Gordon H. True 1971-4-9 6459 Placer Northern limits of Lincoln 48 Comment
  UCD14362  Dendromecon rigida Maura Cullinare 1983-5-29 30 Placer Placer Co.; from Interstate 80 take Forest Hill off ramp east to Mosquito Ridge Road; 914 Comment
  UCR250167  Dendromecon rigida George K. Helmkamp, Mary Alice Barnes 2013-5-3 20483 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
  SEINET5339604  Dendromecon rigida K. Brandegee s.n. Placer Magra station between Cape Horn and Alta. Comment
  SACT000905  Deschampsia cespitosa D. Meyer 1983-8-20 Placer Moist roadside meadow with vegetation following residential construction. 2000.0 Comment
  JEPS68487  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1918-7-30 7734 Placer Lake Tahoe near Tahoe City; Lake Tahoe 1920 Comment
  SACT000916  Deschampsia danthonioides Michael Baad 1983-8-27 Placer Collected on the trail between lakes. 2072.64 Comment
  UC750543  Deschampsia danthonioides Lewis S. Rose 1946-6-23 46199 Placer n. of Cisco (Rainbow); Rainbow 1737 Comment
  UCR120499  Deschampsia danthonioides George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5030 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SEINET10966581  Deschampsia danthonioides Lewis S. Rose 1946-6-23 Rose 46199 Placer Rainbow, n. of Cisco. 1737 Comment
  CAS-BOT-BC201877  Deschampsia elongata Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC201881  Deschampsia elongata L. S. Smith 1939-7-1 s.n. Placer Ice Lake, route to Soda Springs. Tahoe National Forest Comment
  SACT000931  Deschampsia elongata Michael Baad 1983-8-21 Placer On road from Soda Springs to lakes. 2.2 miles south-west of I80 exit to Soda Springs. 2019.0 Comment
  SACT000958  Deschampsia elongata D. Meyer 1984-6-10 Placer 436.0 Comment
  SD103538  Deschampsia elongata Darley Howe 1978-7-15 5076 Placer Along state highway 20; 29 miles west of Truckee 1646 Comment
  UCR249597  Deschampsia elongata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20821 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-BC43032  Descurainia incisa subsp. incisa Lewis S. Rose 1944-7-12 44084 Placer Lake Tahoe. Chambers Lodge. 1920 Comment
  JEPS59424  Descurainia incisa subsp. incisa Ezra Brainerd and Viola B. Baird 1915-7-5 144 Placer Squaw Valley; Sierra Nevada Mts. 1920 Comment
  UCD22387  Descurainia incisa subsp. incisa Rex Palmer 1979-7-12 N 619 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC43414  Descurainia sophia D. Mitani 1975-5-7 s.n. Placer Dick Phillips property, P.O. Box 805, Colfax. Comment
  RSA755333  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14568 Placer town of Foresthill, along Forest Hill Road 988 Comment
  SBBG70211  Dicentra formosa M. N. Ackley -Jun-1925 362 Placer Dutch Flat 1033 Comment
  UC1126525  Dicentra formosa N. French 1934-5-31 385 Placer 0.5 mi e Texas Hill; Tahoe National Forest, Colfax Quad. 1584 Comment
  UC855121  Dicentra formosa Marcus E. Jones, A. M. 1882-1-1 3302 Placer Emigrant Gap Comment
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Sep 7 2010
  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
  SDSU7279  Dicentra formosa D. R. Harvey 1960-5-29 Placer Between Forest Hill & Colfax. Comment
  JEPS72354  Dicentra uniflora Gladys L. Smith 1972-6-18 3164 Placer Alpine Meadows 2072 Comment
  CDA32819  Dichelostemma capitatum William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  UCD148230  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-3-16 2891 Placer 4 mi E of Lincoln, at jct Newcastle Rd and Clark Tunnel Rd. 112 Comment
  UCR250685  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20348 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  SEINET8472326  Dichelostemma capitatum subsp. capitatum H. R. Holbo 1961-3-18 s.n. Placer Hwy 49 at North Fork of American River. 457 Comment
  SEINET8472332  Dichelostemma capitatum subsp. capitatum H. E. Hodge 1956-3-28 s.n. Placer Along W side of Hwy 49, 3 miles N of Auburn. 453 Comment
  UCD15480  Dichelostemma multiflorum Robert Burke 1984-5-26 21 Placer 16 miles E of Forest Hill Rd on F.S. 97. 1280 Comment
  POM163321  Dichelostemma multiflorum Rimo C. Bacigalupi 1926-5-29 1507 Placer along Luisslus? Heller Highway, 3 1/2 miles east of Colfax. Comment
  SBBG115821  Digitaria ischaemum B. Crampton 1965-9-13 7498 Placer Gold Run, Interstate 80 975 Comment
  UCD63951  Digitaria ischaemum Beecher Crampton 1965-9-13 7498 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  CAS-BOT-BC150479  Diplacus grandiflorus Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC153231  Diplacus kelloggii Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4004 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  OBI49246  Diplacus torreyi Lewis S. Rose 1941-6-12 41305 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  SBBG66700  Diplacus torreyi M. N. Ackley -Jun-1925 1056 Placer Dutch Flat 1033 Comment
  SEINET14196725  Diplacus tricolor D. F. Erskine 1941-4-25 18 Placer 1 mile S of Roseville. 76 Comment
  RSA367632  Disporum hookeri var. hookeri William Martin 1971-9-10 20255 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  SACT000990  Distichlis spicata var. nana Josephine Van Ess 1976-8-18 Placer Collected in vicinity of salt spring on Ferarria ranch. Salt Marsh. Comment
  LA83368  Dodecatheon alpinum O. H. Kappler; 1946-7-18 sn Placer Homewood, W shore, Lake Tahoe 1920 Comment
  SEINET8561476  Dodecatheon clevelandii subsp. patulum A. E. Beninghoff 1930-3-18 2587 Placer 7 miles E of Lincoln. Comment
  CHSC84568  Downingia bicornuta var. bicornuta John Dittes 2003-5-25 2003 -23 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  UC766287  Downingia bicornuta var. picta R. F. Hoover 1939-5-10 4091 Placer Lincoln Comment
  JEPS126344  Downingia montana Steve Matson 1997-7-5 35 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Wildlife Area; 50 yards north of Highway 267 and 200 yards west of Martis Creek. Comment
  UC149012  Downingia montana H. M. Hall 1910-7-3 8736 Placer near Emigrant Gap; Sierra Nevada Mountains 1645 Comment
  JEPS14462  Downingia ornatissima var. ornatissima Mrs. Ames 1880-5-9 Placer near Roseville Comment
  POM143043  Draba nemorosa C. F. Sonne 1897-7-18 s.n. Placer Tinker s Knob 2744 Comment
  JEPS126416  Draba verna Steve Matson 2004-4-14 1027 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267; 200 yards west of Martis Creek. Comment
  UC147857  Draperia systyla Harriet A. Walker 1908-6-24 1361 Placer Blue Canyon 1432 Comment
  UCR240923  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2012-6-19 19250 Placer Northern Sierra Nevada Mountains, Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road 2040 Comment
  RSA129729  Draperia systyla G. T. Nordstrom 1934-6-19 112 Placer 1/2 mile N.E. of Mouth of Monumental Creek; Colfax 1463 Comment
  UC1128185  Drymocallis glandulosa var. glandulosa N. French 1934-5-31 390 Placer 1 mi se Texas Hill; Tahoe National Forest, Colfax Quadrangle Comment
  UC420565  Drymocallis glandulosa var. glandulosa Miss Helen D. Geis 1912-6 31 Placer Deer Park Comment
  CAS-BOT-BC527341  Drymocallis glandulosa var. reflexa Alice Eastwood 1909-1-1 116 Placer Sunnyside Comment
  CAS-BOT-BC157894  Drymocallis lactea var. lactea Geo. B. Grant 1906-7-15 7033 Placer Tahoe Tavern 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
  SD125411  Dudleya cymosa Russel Hopper 1975-5-24 54 Placer 1.0 mile east of junction of State Highways 49 and 195 on Highway 49. 669 Comment
  CAS-BOT-BC113793  Dulichium arundinaceum George Ledyard Stebbins 1969-7-20 6946 Placer Sailor Meadow, S of North Fork, American River. Comment
  SACT001037  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-7-28 Placer Collected about .25 mile west of Country Acres Lane. 21.3 Comment
  UCD61168  Echinochloa oryzicola Joel Kitzmiller 1976-6-24 Placer Pleasant Grove. Comment
  SEINET242427 Image available Echinochloa oryzoides Joel Kitzmiller 1976-6-24 Placer Pleasant Grove. Growing in rice crop Comment
  UCD38845  Eleocharis acicularis Beecher Crampton 1958-6-24 4967 Placer Placer County; three miles west of Baxter. Earl Morton Ranch. 1066 Comment
  CAS-BOT-BC113491  Eleocharis bella John Thomas Howell 1943-7-22 18707 Placer Summit Valley 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
  JEPS103509  Eleocharis bella Lowell Ahart 2002-7-22 9909 Placer S side of small natural lake on E side of paved rd to Lake Valley Reservoir, 1/4 mi E of Yuba Gap and Hwy 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
  CHSC74455  Eleocharis quinqueflora Susi Urie 1998-8-27 98 -122 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UC710554  Eleocharis quinqueflora John Thomas Howell 1943-7-19 18575 Placer Summit Valley 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-BC203871  Elymus X hansenii John H. Thomas; Hazelle A. Thomas 1956-7-21 6200 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CDA31720  Elymus elymoides A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax Comment
  UCD75743  Elymus elymoides Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5207 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, large turnabout/parking area with off-road vehicle use. 2207 Comment
  UCD44465  Elymus elymoides subsp. californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1831 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44557  Elymus elymoides subsp. californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1923 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR240706  Elymus elymoides subsp. californicus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19227 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UC790925  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 mi w Colfax 762 Comment
  RSA129234  Elymus glaucus G. T. Nordstrom 1934-6-21 141 Placer 3/4 mile W. of Mammoth Springs; Colfax 1677 Comment
  SACT001089  Elymus glaucus D. Meyer 1983-8-20 Placer Collected on way to summit off trail at first lake, steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT001106  Elymus glaucus Michael Baad 1983-7-23 Placer Next to stream, along southwest side of Highway 267, approximately 6 miles southeast of Truckee. 2316.0 Comment
  SACT001111  Elymus glaucus Josephine Van Ess 1977-4-27 Placer Collected at base of huge rocky cliff at intersection with Ophir Road. Moist ditch. 289.0 Comment
  SACT001115  Elymus glaucus Michael Baad 1976-8-7 Placer 2072.0 Comment
  SACT001142  Elymus glaucus D. Meyer 1983-10-22 Placer Searchlight ski run from base up to Olympic Lady chairlift. Downhill ski area. 2121.0 Comment
  UCD36668  Elymus glaucus Beecher Crampton 1955-6-15 2903 Placer Placer County, Yankee Jims. 807 Comment
  SACT001110  Elymus glaucus Josephine Van Ess 1976-6-11 Placer 27.4 Comment
  CAS-BOT-BC206792  Elymus glaucus subsp. glaucus Kate E. Phelps 1937-5-25 s.n. Placer Applegate Comment
  CAS-BOT-BC206793  Elymus glaucus subsp. glaucus Peter H. Raven 1950-6-26 2409 Placer Baxter's 1219 Comment
  SEINET203584  Elymus glaucus subsp. glaucus F. J. Hermann 1955-7-26 11936 Placer US Hwy 40 mi SW Weimer 0 Comment
  UCD62418  Elymus multisetus Beecher Crampton 1955-7-13 3004 Placer Along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCD36671  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2908 Placer Placer County, Yankee Jims. 807 Comment
  CAS-BOT-BC204400  Elymus trachycaulus subsp. trachycaulus L. S. Smith 1925-7-8 1662 Placer Tahoe National Forest. Cedars near American River 1798 Comment
  CHSC73268  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1998-8-6 5964 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC79883  Elytrigia intermedia subsp. intermedia G. F. Hrusa; J. Glazner 1999-7-18 15219 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  CDA18052  Elytrigia repens T. Morgan 1999-7-19 PDR 1223646 Placer 2- 2 ft. x 2 ft. areas growing from old ball and burlaped birches in holding area at Green Thumb Landscaping, 2865 Hillcrest Ave., Tahoe City. 0 Comment
  UCR241739  Epilobium angustifolium subsp. circumvagum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19815 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  CHSC74106  Epilobium brachycarpum Susi Urie 1998-8-25 98 -088 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCR231878  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2010-10-16 17032 Placer Northern Sierra Nevada Mountains Foothills, Sugar Pine Road at the southwest corner of Sugar Pine Reservoir near the dam 1128 Comment
  UCD150582  Epilobium campestre James A. Neilson Jr. 1971-8-13 2332 Placer Tahoe Basin, Lagoon road, Homewood. 1914 Comment
  CAS-BOT-BC171969  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer Base of a cliff north of Summit Hotel 2164 Comment
  CAS-BOT-BC171970  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer Base of a cliff north of Summit Hotel 2164 Comment
  CHSC72876  Epilobium ciliatum subsp. ciliatum L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5759 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC74849  Epilobium ciliatum subsp. ciliatum Susi Urie; Eric Schroder 1998-9-12 98 -355 Placer Lake Tahoe Basin--National Forest. Meadow complex on the south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UC1748360  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-8-25 98 -90 Placer about 0.2 mi N of Lake Tahoe (large meadow complex between Kings Beach and Tahoe Vista) 1901 Comment
  UCD105784  Epilobium ciliatum subsp. ciliatum G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12956 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD44728  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2094 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA15937  Epilobium ciliatum subsp. glandulosum G. F. Hrusa, J. Glazner 1999-7-17 15155 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA13696  Epilobium densiflorum G. F. Hrusa, J. Glazner 1997-8-3 14056 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  POM192603  Epilobium glaberrimum subsp. glaberrimum Helen D. Geis 130 -a Placer Deer Park. Comment
  POM192609  Epilobium hallianum H. M. Hall 1910-07 8748 Placer Sierra Nevada: Soda Springs of the Yuba. 2043 Comment
  UC422825  Epilobium hallianum H. M. Hall July 1910 8748 Placer Soda Springs of the Yuba Sierra Nevada Mountains 2042 Comment
  UC108000  Epilobium obcordatum C. F. Sonne 1894-9-2 Placer high Mt. s Summit St. C.P.R.R.; Sierra Nevada Mountains 2590 Comment
  UC1122540  Epilobium obcordatum B. Bolt 1934-7-17 138 Placer 1/2 mi sw Walker Mine (Plot 216); Tahoe National Forest, Truckee Quadrangle Comment
  UC66584  Epilobium obcordatum P. B. Kennedy and S. B. Doten 1901-8-10 276 Placer near summit of Devils Cliff; Summit-Soda Springs Comment
  UCD150705  Epilobium obcordatum James A. Neilson Jr. 1970-9-6 1874 Placer Tahoe Basin, South Ward Creek ridge. 2438 Comment
  SEINET6644386 Image available Epilobium oregonense A. A. Heller 1919-1 13302 a Placer near Yuba River below Cisco 1676 Comment
  CAS-BOT-BC57977  Equisetum W. R. Dudley 1900-6-29 s.n. Placer Near Fish Hatchery Tahoe City. Comment
  MACF015282  Equisetum arvense F. A. MacFadden 1933-7-11 16030 Placer Canyon Creek, Monte Vista, Placer Co, California Comment
  SBBG192  Equisetum hyemale E. R. Blakley 1960-9-3 3821 Placer Kings Beach, Lake Tahoe 1905 Comment
  UCD22083  Equisetum laevigatum Beth Lowe Corbin 1982-8-13 349 Placer 1/8 mile SW of Onion Creek Campground, along edge of Onion Creek. 1813 Comment
  UCD33393  Eragrostis pectinacea Beecher Crampton 1967-7-26 8162 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80, junction of Meadow Vista Road. 487 Comment
  CAS-BOT-BC174286  Eremogone congesta var. suffrutescens Dr. Kellogg 1870-6-1 s.n. Placer Cisco Comment
  UCR209737  Ericameria George K. Helmkamp, E. A. Helmkamp 2009-8-12 15428 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  UC894746  Ericameria bloomeri Lewis S. Rose 1938-9-14 38270 Placer 3 mi nw Tahoe City; Truckee River 1828 Comment
  UC55137  Ericameria discoidea Miss Lydia K. Tangier-Smith 1901-1-1 Placer Tahoe, at the Grove Tahoe Comment
  CAS-BOT-BC294279  Ericameria nauseosa var. speciosa Baki Kasapligil 1974-10-6 4910 Placer Soda Springs, Sugar Bowl 1828 Comment
  RSA531312  Ericameria suffruticosa Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4543 Placer Squaw Valley beyond upper cable car stn. on top of rocky ridge. 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
  UC614757  Erigeron breweri var. breweri Beryl O. Schreiber 1932-9-12 777 Placer road, Myers to Markleeville Comment
  CAS-BOT-BC296762  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer Summit Valley 2118 Comment
  CAS-BOT-BC296763  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer Summit Valley 2118 Comment
  UC398626  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer along streams at Donner Pass (Summit) 2133 Comment
  UC895854  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer 2118 Comment
  CHSC69471  Erigeron filifolius var. filifolius James D. Jokerst 1988-6-6 3007 Placer Long Creek Hydro Project, ca. 1 mi W of Ramsey Crossing, N of Long Canyon Creek. Comment
  CAS-BOT-BC300666  Erigeron foliosus var. hartwegii Mary E. Jump 1939-5-15 s.n. Placer Road to Foresthills Comment
  UCD21595  Erigeron glacialis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1258 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
  UCD21715  Erigeron glacialis Rex Palmer 1979-6-20 N 353 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC300828  Erigeron glacialis var. glacialis Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  UC195955  Erigeron glacialis var. glacialis C. F. Sonne 1885-7-12 Placer mts. above Kneeland's Mill Comment
  CAS-BOT-BC300825  Erigeron glacialis var. glacialis C. F. Sonne 1886-7-25 364 Placer Sierra Nevada Mts. On Mt. Stanford Comment
  SJSU6632  Erigeron glacialis var. glacialis H. T. Harvey 1958-8-19 Placer Sugar Bowl about 3 mi S of Donner Summit 2164 Comment
  RSA72862  Erigeron inornatus var. inornatus A. Kellogg, W. G. W. Harford 1868-1 170 Placer Cisco, Sierra Nevada Comment
  SD240858  Erigeron inornatus var. inornatus G. K. Helmkamp, E. A. Helmkamp 2007-8-1 12645 Placer Northern Sierra Nevada Mountains: Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border. 2150 Comment
  UC669306  Erigeron miser Annie M. Alexander and Louise Kellogg 1941-10-5 2647 Placer e slope Donner Pass 1981 Comment
  UCD21885  Erigeron peregrinus var. angustifolius Beth Lowe Corbin 1982-8-10 291 Placer 3/4 mile WSW of Onion Creek campground. In fine, sandy and organic soil. Small meadow in White Fir forest. Ray flowers pale purple, disc yellow. Partila sun. SE facing slope, 10% incline. Common. 2023 Comment
  UC135389  Erigeron pumilus var. intermedius W. D. Bliss Jun 1888 Placer Tahoe Comment
  UCD132077  Erigeron sumatrensis Walter H. Johnson 1959-12-1 s.n. Placer Near Blue Canyon on Highway 40. 152 Comment
  CAS-BOT-BC216227  Eriodictyon californicum Margaret J. Williams 1984-6-24 84- 65 -2 Placer 0.3 mi in from Hwy 20, on Bowan Lake Road 1524 Comment
  POM73506  Eriodictyon californicum Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UCD119286  Eriodictyon californicum M. H. Mills 1996-4-12 141 Placer roadsides at 5830 Walden Lane, Loomis. 180 Comment
  CAS-BOT-BC255405  Eriogonum Saichi Kawahara 1969-7-6 1473 Placer Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest 1139 Comment
  CAS-BOT-BC256781  Eriogonum incanum Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Madden Creek Amphitheater base of Ellis Pk. top of ridge Comment
  JEPS111109  Eriogonum incanum Steve Matson 2005-7-30 1420 Placer Squaw Valley ski area, 1 km WSW of High Camp (top of tramway): 39.1937 N, 120.2647 W; elevation 8,100 ft. 2468 Comment
  SEINET5330425  Eriogonum lobbii W. D. Billings 1951-8-21 2149 Placer E. of Granite Chief, Sierra Nevada 2621 Comment
  SEINET3282809 Image available Eriogonum lobbii var. lobbii George K. Helmkamp, E. A. Helmkamp 2009-8-12 15445 Placer Northern Sierra Nevada Mountains; Forest Hill Road, 26.1 miles northeast of the city of Foresthill. 2020 Comment
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Aug 14 2014
  CAS-BOT-BC263698  Eriogonum luteolum var. pedunculatum John Thomas Howell 1929-10-4 4430 Placer 2.4 miles below Weimar on road to Colfax 609 Comment
  CAS-BOT-BC263289  Eriogonum marifolium var. marifolium Alice Eastwood 1912-6-15 425 Placer Deer Park, Lake Tahoe Region Comment
  UCD100495  Eriogonum nudum Beecher Crampton 1972-7-26 8837 Placer Carpenter Flat, east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC264811  Eriogonum nudum var. deductum Marcus E. Jones 1882-6-29 3469 Placer Emigrant Gap Comment
  UC1204700  Eriogonum nudum var. deductum N. French 1934-6-6 350 Placer 1/2 mi w Lake Van Norden; Tahoe NF, Truckee Quadrangle 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
  UCR241766  Eriogonum nudum var. nudum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19804 Placer Northern Sierra Nevada Mountains, along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  UCD100548  Eriogonum nudum var. oblongifolium G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12960 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road 6 miles east of Foresthill. 610 Comment
  UCR215982  Eriogonum nudum var. oblongifolium George K. Helmkamp, Amy Barnes 2009-7-12 15182 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  CAS-BOT-BC271968  Eriogonum nudum var. pubiflorum John Thomas Howell 1929-10-4 4431 Placer 2.4 miles below Weimer on road to Colfax Comment
  UCR179198  Eriogonum spergulinum Rex Palmer 1979-7-26 N- 834 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  CAS-BOT-BC269944  Eriogonum spergulinum var. reddingianum Lowell Ahart 1972-7-7 s.n. Placer French Meadows 1524 Comment
  JEPS111222  Eriogonum spergulinum var. reddingianum Steve Matson 2005-6-19 1307 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and north of Martis Creek. 39.3011 N, 120.1330 W; Elevation 5835 ft. 1778 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-BC269938  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer Along Californis [California] Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground Comment
  POM308707  Eriogonum spergulinum var. reddingianum Betty J. Jorgensen 1944-7-2 514 Placer Along summit near Donner Pass. Comment
  RSA300143  Eriogonum torreyanum Charlotte Pyle 1978-8-9 s.n. Placer E side of Silver Peak about 1.5 miles NW of Squaw Valley. 2348 Comment
  CAS-BOT-BC265148  Eriogonum umbellatum var. nevadense John H. Thomas; Hazelle A. Thomas 1956-7-21 6130 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  CAS-BOT-BC265157  Eriogonum umbellatum var. nevadense Charlotte Pyle 1978-8-9 s.n. Placer Silver Peak about 1.5 miles NW of Squaw Valley 2438 Comment
  CDA13675  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 1997-8-3 14035 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC108595  Eriogonum umbellatum var. nevadense L. P. Janeway; B. Castro 2011-8-27 10683 Placer Northern High Sierra Nevada. Along Blackwood Canyon Road 0.4 road km west of Barker Pass. Steep south-facing slope. 2327 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
  CAS-BOT-BC262234  Eriogonum ursinum Kellogg 1870-6-10 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  UC128135  Eriogonum ursinum Miss Harriet A. Walker 1908-7-26 1432 Placer Cisco 1810 Comment
  UCR207105  Eriogonum ursinum var. ursinum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15227 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
  CAS-BOT-BC261800  Eriogonum wrightii var. subscaposum F. A. M. 1934-8-10 12857 Placer Cisco Comment
  UC669302  Eriogonum wrightii var. subscaposum Annie M. Alexander and Louise Kellogg 1941-10-5 2646 Placer e slope, Donner Pass Donner Pass 1981 Comment
  UCD21717  Eriophyllum lanatum var. croceum Beth Lowe Corbin 1982-8-11 322 Placer 1 3/4 miles SW of Onion Creek campground. In rocky outcrop in montane chaparral. Ray and disc flowers yellow. Full sun. SE facing slope, 45% incline. Occasional. 1935 Comment
  UCR173736  Eriophyllum lanatum var. croceum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10704 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  UC566755  Eriophyllum lanatum var. grandiflorum H. L. Mason 1926-5-28 3275 Placer 5 mi above Auburn Comment
  UCD132211  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10441 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along Forest Hill Road, 1.8 miles northeast of its junction with CA Hwy 49 at the middle fork of American River. 370 Comment
  CAS-BOT-BC308251  Eriophyllum lanatum var. integrifolium F. Almeda 1993-7-24 7284 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on th trail to Upper Sheep Valley, Sierra Nevada 2133 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
  UCR189301  Eriophyllum lanatum var. integrifolium George 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
  UCR231891  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2011-4-10 17144 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCR238599  Erodium brachycarpum George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 A Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UC660014  Eryngium castrense Lincoln Constance 1941-5-28 2824 Placer 2 mi. n. Lincoln (Sacramento Valley); Sacramento Valley 60 Comment
  SEINET5779527 Image available Eryngium pinnatisectum Marcus E. Jones 1882-1 3602 Placer Auburn Comment
  UCD14937  Erysimum capitatum Alan B. Chan 1977-5-28 35 Placer California, Placer Co.; 20 miles northeast of the Auburn Forest Hill Bridge, 1.2 miles south along Auburn Forest Hill Road towards Michigan Bluff; Comment
  UCD22371  Erysimum capitatum Rex Palmer 1979-7-12 N 603 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD83645  Erysimum capitatum Albert Grigarick 2009-9-10 198 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  UCR120248  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5034 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  HSC35043  Erysimum perenne Thomas W. Nelson, James Nelson 1974-6-17 1363 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  UC10558  Erysimum perenne C. J. Fox Jr. July 1895 Placer near Deer Park Inn Comment
  SBBG27309  Erythranthe bicolor C. L. Hitchcock 1940-5-14 6398 Placer Meier Ranch, ca. 6 mi N of Colfax 1097 Comment
  CHSC74128  Erythranthe corallina Susie Urie 1998-8-13 98 -041 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SEINET3836912 Image available Erythranthe moniliformis Marcus E. Jones 1882-1 2825 Placer Alta Comment
  SEINET10528995  Erythronium hartwegii Sonne 1891-4-5 SONNE 593 Placer Below Auburn Comment
  RSA537540  Erythronium multiscapideum Barbara Ertter, David Thompson 1989-4-8 8170 Placer Iowa Creek Road ca. 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing 518 Comment
  UCR250904  Eschscholzia caespitosa George K. Helmkamp, Mary Alice Barnes 2013-4-18 20344 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UCD68706  Eschscholzia californica Heidi Haugen 1984-4-15 7 Placer Folsom, California, in meadows near lake. Found in fields, in a grass plant association with some trees, dominated by grasses, poppies, and fiddlenecks, on dry, clay-sandy soil, with direct sunlight, very abundant in area. Leaves, lacey; Flowers, double rimmed peduncle, orange (golden). 22 Comment
  UC70403  Eschscholzia lobbii Milo S. Baker 1900-2-11 Placer Auburn Comment
  POM97349  Eschscholzia lobbii Mary E. P. Ames 1891-04 s.n. Placer Auburn. Comment
  UCR207043  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2009-7-16 15228 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCR241343  Eucephalus breweri George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19826 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.5 mile north of Robinson Flat Campground, c. 26 miles NE of Foresthill, Tahoe National Forest 2043 Comment
  UCD143099  Euphorbia crenulata G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10707 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  CDA4835  Euphorbia marginata J. C. Henderson 1971-8-26 Placer Southern Pacific Railroad yards, Roseville. 0 Comment
  UCD39018  Euphorbia nutans Beecher Crampton 1960-11-2 5794 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  CDA40533  Euphorbia oblongata Ed King 2014-5-1 PDR# 310 P06310011 Placer Auburn State Recreation Area, Russell Road. 0 Comment
  JEPS111294  Eurybia integrifolia Steve Matson 2005-7-10 1384 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 400 meters NW of parking area; 39.3037 N, 120.1361 W: elevation 5,840 ft. 1780 Comment
  UCD43059  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 427 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44702  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2068 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SEINET3141531  Eurybia integrifolia L. S. Rose 1938-9-14 38264 Placer S fork of Yuba Rv., 3 mi. E of Cisco 1737 Comment
  SEINET8687792 Image available Eurybia integrifolia P. B. Kennedy, S. B. Doten 1901-8-19 419 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  CAS-BOT-BC312177  Eurybia radulina C. F. Sonne 1883-9-16 147 Placer Truckee River, Sierra Nevada Mts. Comment
  CAS-BOT-BC312164  Eurybia radulina M. E. Parsons 1910-8-6 s.n. Placer Near entrance to Blackwood Canyon, Lake Tahoe Comment
  UCD65915  Festuca elmeri Beecher Crampton 1955-6-15 2861 Placer 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. 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
  SACT001168  Festuca occidentalis Michael Baad 1976-6-17 Placer Flood plain from Wildcat Canyon west to New York Canyon. Comment
  UCR258231  Festuca perennis George K. Helmkamp, Amy Barnes 2013-3-28 20235 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  SACT001180  Festuca pratensis D. Meyer 1984-6-10 Placer 606.0 Comment
  SACT001181  Festuca pratensis D. Meyer 1983-7-30 Placer Roadside 1842.0 Comment
  SACT001196  Festuca rubra D. Meyer 1983-7-3 Placer 1227.3 Comment
  SACT001203  Festuca viridula Michael Baad 1983-8-21 Placer 2.4 miles southwest of Soda Springs exit off of Interstate80. 2019.0 Comment
  UCD66514  Festuca viridula A. A. Heller 1917-8-14 12926 Placer Mt. Lincoln south of Summit valley. 2499 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
  CAS-BOT-BC53544  Frangula californica subsp. tomentella Alice Eastwood 1913-7-3 s.n. Placer Bear River, McCourtneys Bridge Comment
  CAS-BOT-BC55708  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1732 Placer W. slope Sierra Nevada. Baxter's Camp, 17 mi. above Colfax 1158 Comment
  UCR235616  Fritillaria affinis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18911 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
  CAS-BOT-BC504555  Fritillaria atropurpurea Hazelle A. Thomas; John H. Thomas 1956-7-21 6095 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevad 2377 Comment
  JEPS61888  Fritillaria atropurpurea L. S. Smith 1915-6-19 Placer Squaw Valley near Truckee; Squaw Valley Comment
  CAS-BOT-BC504558  Fritillaria atropurpurea Sherman Chickering 1974-7-8 s.n. Placer Near Soda Spring, Plants of the Sierra Nevada 2590 Comment
  CDA17001  Fritillaria micrantha G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16054 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC843909  Fritillaria recurva C. L. Hitchcock 1940-5-7 6308 Placer 1 mi w of Baxter Comment
  CAS-BOT-BC504444  Fritillaria recurva Serena Philips 1915-4-2 s.n. Placer Near Rocklin Comment
  UCD22287  Galium Rex Palmer 1979-5-27 N 49 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22289  Galium bifolium Rex Palmer 1979-6-20 N 343 Placer Headwaters basin area of the North Fork of the American River. Comment
  SD81249  Galium bolanderi Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  UCR231820  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-8-11 16766 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  UCR240750  Galium bolanderi George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  JEPS6434  Galium bolanderi R. Bacigalupi with A. Hawkes, J. Hunziker, G. Stebbins, D. Zohary and H. Stutz, and F. Ehrendorfer 1952-7-19 3860 Placer along river directly below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd); North Fork of the American River 381 Comment
  UC102505  Galium grayanum C. F. Sonne 1893-8-27 Placer Tinker's Knob Comment
  UCD148666  Galium grayanum G. Ledyard Stebbins 1968-8-15 C 6858 Placer Devil's Peak, southeast of Soda Springs. 2286 Comment
  CDA6665  Galium murale T. C. Fuller 1959-5-2 2407 Placer Warren Wilson property, Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  POM367849  Galium tricornutum Fay A. MacFadden 1934-7-2 12582 Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  JEPS127518  Galium trifidum subsp. columbianum Steve Matson 1997-7-5 42 Placer nSNH: jMartis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north side of Hwy 267, west of Martis Creek. Comment
  CHSC69897  Galium trifidum var. pacificum L. P. Janeway; Eric Schoder 1997-7-17 5246 Placer Meadow on southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  CHSC74257  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-11 98 -348 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC74121  Galium triflorum Susi Urie 1998-8-13 98 -032 Placer Meadow along the south side of Ward Creek about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD41457  Gamochaeta coarctata Ellen Dean; Davis Botanical Society 2003-5-17 1758 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
  SDSU3743  Gamochaeta pensylvanica D. F. Howe 1948-5-21 1908 Placer 457 Comment
  JEPS34002  Gamochaeta ustulata W. H. Shockley Jun 1886 Placer Auburn Comment
  SACT001233  Gastridium ventricosum D. Meyer 1984-6-10 Placer 436.0 Comment
  UCD21987  Gayophytum Rex Palmer 1979-5-27 N 46 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD21989  Gayophytum Beth Lowe Corbin 1982-8-2 158 Placer Onion Creek campground. In fine, sandy, granitic soil. Annual herb; Flowers whitish to pink. Open spot between trees. Partial shade. South facing slope. Locally abundant. 1841 Comment
  UCD34548  Gayophytum Beecher Crampton 1985-6-23 9993 Placer Placer County, North Shore Lake Tahoe, Stateline Road. 1950 Comment
  UCD103624  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11215 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  UCD103632  Gayophytum diffusum subsp. parviflorum D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 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
  UC20267  Gayophytum humile C. F. Sonne 1886-7-11 Placer road to Lake Tahoe Sierra Nevada Mountains Comment
  UC107804  Gayophytum humile C. F. Sonne 1886-6-11 Placer Tahoe; on road to Hot Springs Comment
  UCD119668  Genista monspessulana Annabelle Kleist 2009-4-23 Asb- 36 Placer Auburn State Recreation Area, Confluence. Comment
  UCR219495  Genista monspessulana Bill Haley 2009-5-12 s.n. Placer Stevens Trail near Colfax, c. 1.2 mi from trailhaed parking area on North Canyon Way, Southwest corner of trail junction leading to Burnt Flat region. Old homesteads are in the area 598 Comment
  CAS-BOT-BC217385  Gentiana affinis var. ovata Brandegee No date on label. s.n. Placer Colfax Comment
  SD3703  Gentiana calycosa C. F. Sonne Sept. 1892 Placer Sierre Nevada Mts. [Above] Donner Lakes Comment
  SJSU6217  Gentiana calycosa R. L. Fisher 1957-8-7 Placer Donner Summit Pass; boundary between Placer & Nevada county 2164 Comment
  SEINET10880779 Image available Gentiana calycosa William H. Brewer 1864-1 Brewer 2164 Placer Sierra Nevada. 2682 Comment
  UC197392  Gentiana newberryi C. F. Sonne Sep 1894 Placer Summit Valley Sierra Nevada Mountains 2133 Comment
  UCD150769  Gentianopsis simplex James A. Neilson Jr. 1971-8-31 2564 Placer Tahoe Basin, top of Buck Lake. 2255 Comment
  UCR253225  Geranium dissectum George K. Helmkamp, Amy Barnes 2014-4-23 22813 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
  UCR231823  Geranium molle George K. Helmkamp, E. A. Helmkamp 2011-4-10 17135 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCR238573  Geranium molle George K. Helmkamp, E. A. Helmkamp 2012-3-31 18648 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UCR120237  Geum macrophyllum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5067 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  JEPS127439  Geum macrophyllum var. perincisum Steve Matson 1998-8-9 158 Placer Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 1 kilometer SSW from parking area. Comment
  JEPS111121  Geum triflorum Steve Matson 2005-7-30 1426 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), north side of ridge high point facing large rocky pinnacle (south of Emigrant Pass) 39.1885 N, 120.2775 W; elevation 8,700 ft. 2651 Comment
  UCR121488  Gilia capillaris George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 B Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR173262  Gilia capitata subsp. mediomontana George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10425 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  SEINET7963104 Image available Gilia gilioides L. S. Rose 1941-1 41299 Placer Chambers Lodge (McKinney), Lake Tahoe 640 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
  SDSU3083  Gilia leptalea D. F. Howe 1978-7-14 5069 Placer Route 20, 29 miles west of Truckee. 1646 Comment
  SEINET10464615  Githopsis specularioides Gates 1879-1 GATES s.n. Placer Rose Springs Comment
  UCD55212  Glyceria declinata John Gerlach 2006-5-6 s.n. Placer Twelve Bridges. Comment
  CAS-BOT-BC282690  Glyceria elata L. S. Smith 1938-1-22 2799 Placer Along So. Fork Squaw Creek 1981 Comment
  SACT001257  Glyceria elata D. Meyer 1984-8-26 Placer 1660.0 Comment
  SBBG26321  Glyceria elata B. Crampton 1964-7-20 Placer Cisco Grove 1722 Comment
  JEPS75581  Glyceria grandis W. L. Jepson 1934-8-7 16882 Placer near Squaw Creek; Truckee River Comment
  CAS-BOT-BC303818  Gnaphalium John Thomas Howell 1976-7-18 51933 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  CDA6001  Gnaphalium canescens subsp. beneolens K. Stark 1978-9-18 Placer Growing grounds of Elfinwood Nursery, Colfax. 0 Comment
  RSA757090  Gnaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2009-7-16 15199 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  UC579545  Gnaphalium palustre B. Bolt 1934-7-22 161 Placer 3 mi n Michigan Bluff (Chicken Hawk Camp); Tahoe National Forest, Colfax Quad. 1280 Comment
  UCD22066  Goodyera oblongifolia Beth Lowe Corbin 1982-8-20 400 Placer 1/2 mile west of Onion Creek Campground. 1950 Comment
  CDA39513  Goodyera oblongifolia G. D. Barbe 1975-9-18 2068 Placer Emigrant Gap Road, 0.3 mile west of I-80 off-ramp. Comment
  CHSC96509  Gratiola ebracteata Lowell Ahart; Brian Williams 2007-4-13 13653 Placer On damp granite soil, on the bottom 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-BC314604  Grindelia hirsutula Alice Eastwood 1921-5-22 10587 Placer Between Lincoln and Sheridan Comment
  SEINET3139959  Grindelia hirsutula M. P. Dunford 1959-10-20 563 Placer 1 mi. E of Rocklin on Hwy 40; between Hwy 40 & railroad tracks Comment
  UCR218246  Grindelia hirsutula var. davyi George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16432 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
  SEINET3891769  Habenaria leucostachys Bonnie C. Templeton 1931-1 Placer Comment
  UCD22128  Hackelia Rex Palmer 1979-6-21 N 366 Placer Headwaters basin area of the North Fork of the American River. Comment
  SCFS1202  Hackelia nervosa E. Krimmel 2014-4-21 Placer 200 yards south of Pt. Mariah warming hut Comment
  UC2042515  Hackelia nervosa 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
  UC480745  Hackelia nervosa W. C. Blasdale 1923-7-13 Placer top of Ellis Peak; Lake Tahoe Region Comment
  UCD22133  Hackelia velutina Rex Palmer 1979-7-25 N 807 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC480844  Helenium bigelovii Katharine Brandegee 1883-8-1 Placer Cisco Comment
  UC80318  Helenium puberulum Brandegee 1889-7-5 Placer Newcastle Comment
  SCFS1114  Helianthella californica E. Krimmel 2013-6-13 Placer NFAm. Split stop #2. On trail to Heath Falls Overlook. Comment
  JEPS67983  Heliotropium curassavicum R. A. Arp 1935-5-13 Placer Roseville Comment
  CAS-BOT-BC314977  Hemizonella minima Alice Eastwood 1912-6-15 380 Placer Deer Park, Lake Tahoe Region Comment
  SCFS1189  Hemizonella minima E. Krimmel 2014-4-21 Placer NFAm. Farthest rocky outcrop on Point Mariah Comment
  UCD21781  Hemizonella minima Rex Plamer 1979-6-8 N 124 Placer Headwaters basin area of the North Fork of the American River Comment
  POM75559  Hesperochiron californicus Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UC614683  Hesperochiron californicus L. Constance 1938-6-6 2280 Placer 6.5 mi. w. Cisco; Sierra Nevada 1584 Comment
  JEPS71648  Hesperochiron pumilus Gladys L. Smith 1972-6-18 3158 Placer Alpine Meadows 2072 Comment
  UCR194936  Hesperolinon californicum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12017 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SD81183  Hesperolinon micranthum D. F. Howe 1971-6-29 Placer 1.4 miles east of Horest Hill. 1096 Comment
  CHSC82577  Heterocodon rariflorum Lowell Ahart 2002-7-22 9883 Placer About 40 yards northwest 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. 1774 Comment
  JEPS126376  Heterocodon rariflorum Steve Matson 2003-7-6 834 Placer nSNH: Truckee River watershed SW of Truckee; Squaw Valley; Shirley Canyon; along Granite Chief trail to PCT. Comment
  UC87435  Heterotheca villosa var. minor T. S. Brandegee Jul 1889 Placer Donner Comment
  UCD22320  Heuchera micrantha Beth Lowe Corbin 1982-8-13 340 Placer 1 mile west of The Cedars. On rock face along Cedar Creek. Calyx pink, petals white, linear. Partial sun. West facing slope, 20% incline. Locally common. 1645 Comment
  SEINET6031227  Heuchera micrantha S. Dean 1979-3-31 s.n. Placer Eldorado Creek near junction with N. fork of Middle Fork of American River on Mosquito Ridge Rd 518 Comment
  SCFS11529133  Heuchera rubescens E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Growing on wet rocks next to stream. Comment
  CAS-BOT-BC319602  Hieracium albiflorum John H. Thomas; Hazelle A. Thomas 1956-7-21 6204 Placer Vicinity of Donner Pass about 80 iles northeast of Sacramento, Sierra Nevada 2377 Comment
  SEINET11259299 Image available Hieracium albiflorum M. Koski 2009-10-8 NV 030 -297 Placer Near Onion Creek 2005 Comment
  UCD21775  Hieracium albiflorum Beth Lowe Corbin 1982-8-3 198 Placer Hill west of Onion Creek campground. In fine, sandy, granitic soil, in disturbed slide area. Taprooted perennial. Flowers white. Milky sap. Full sun. SW facing slope, 30% incline. Several plants localized. 1853 Comment
  UCD21777  Hieracium albiflorum Rex Palmer 1979-7-25 N 691 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR206726  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15202 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  SEINET11259305 Image available Hieracium albiflorum F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  RSA121227  Holcus lanatus N. H. French 1933-5-5 42 Placer S. of Newcastle. 183 Comment
  CAS-BOT-BC150148  Holodiscus microphyllus var. microphyllus John Thomas Howell 1943-7-21 18637 Placer Donner Pass to Mt. Lincoln Comment
  SACT001317  Hordeum brachyantherum Michael Baad 1983-7-23 Placer .25 mile west of US Highway 89, boggy meadows along road. 1828.8 Comment
  UCD43005  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 374 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD85461  Hordeum brachyantherum L. S. Smith 1916-7-8 s.n. Placer Squaw Valley. 1828 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
  SACT001339  Hordeum geniculatum D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001363  Hordeum leporinum Josephine Van Ess 1977-4-13 Placer Collected at Courtney Road. Ditch bank. Comment
  SACT001371  Hordeum leporinum D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001375  Hordeum leporinum D. Meyer 1983-5-7 Placer Roadside. Comment
  RSA122262  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 124 Placer 1/2 mile S of Lost Emigrant Mine. 2073 Comment
  UCD22268  Horkelia fusca var. parviflora Beth Lowe Corbin 1982-8-11 328 Placer 1 1/2 miles WNW of Onion Creek Campground. 1935 Comment
  SEINET9349643  Horkelia tridentata Unknown 2009-5-11 14651 Placer Sierra Nevada Mountains Foothills Comment
  UCD67955  Horkelia tridentata Nicholas Ewing 1977-5-28 29 Placer 5.3 mi. E. of Foresthill on Auburn-Foresthill Road. 1249 Comment
  CAS-BOT-BC143406  Horkelia tridentata var. tridentata E. K. McPherson 1976-9-19 26 -28 10 Placer One mile east of Talbot Campground; near Middle Fork American River 1767 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
  RSA782549  Horkelia tridentata var. tridentata George K. Helmkamp, Amy Barnes 2009-7-12 15178 Placer Along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  CAS-BOT-BC537977  Horkelia tridentata var. tridentata Marcus E. A M Jones 1882-6-27 3291 Placer Emigrant Gap Comment
  CAS-BOT-BC537981  Horkelia tridentata var. tridentata James L. Walters 1940-5-11 s. n. Placer Near Yuba Pass overhead; east of Emigrant Gap. Comment
  UCD106044  Hosackia pinnata R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax, CA. Comment
  JEPS127470  Hydrophyllum capitatum var. alpinum Steve Matson 1998-6-14 238 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UCR151578  Hypericum anagalloides Beecher Crampton 1952-11-9 925 Placer 6 mi east of Auburn 457 Comment
  SEINET10816780  Hypericum anagalloides A. Arthur Heller 1917-8-15 Heller 12937 Placer Soda Spring station, lower end of Summit valley. Pinus murrayana the prevalent tree. 2042 Comment
  UCD40288  Hypericum concinnum Rodney Gale Myatt 1972-6-1 1688 Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  RSA643337  Hypericum perforatum R. D. Goeden, D. W. Ricker 1967-6-9 s.n. Placer near Auburn 400 Comment
  CAS-BOT-BC401266  Hypericum perforatum Marcus E. Jones 1930-7-11 s.n. Placer Auburn Comment
  UCD43030  Hypericum scouleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 399 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SD113019  Hypochaeris glabra Darley F. Howe 1951-5-1 2175 Placer 455 Comment
  SEINET3167476  Hypochaeris glabra R. W. Spellenberg, N. Zucker 2010-4-16 14154 Placer N edge of Lincoln along Hwy. 65 45 Comment
  CDA36751  Hypochaeris glabra D. B. Joley 1976-4-22 13 Placer Loomis area, Butterfield s. 0 Comment
  UCR238601  Hypochaeris radicata George K. Helmkamp, E. A. Helmkamp 2012-3-31 18651 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  CHSC3557  Ilex cornuta Gary Dutton 1966-2-19 62 Placer 227 Donner Ave. Roseville, Calif. in front yard. Comment
  RSA129914  Ipomoea purpurea P. H. Raven 1954-8-27 7963 Placer Penryn. Comment
  SCFS11529122  Ipomopsis aggregata E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing in drying stream bed. Comment
  JEPS124894 Image available Ipomopsis aggregata Laurel Loeblich 1964-7-12 94 Placer 1.9 miles south of Lake Tahoe City of HIghway 89. Comment
  POM65906  Ipomopsis aggregata subsp. formosissima C. J. Fox 1895-07 11412 Placer Near Squaw Peak Comment
  UCR207123  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2009-7-16 15220 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
  UC124884  Ipomopsis congesta C. F. Sonne 1886-7-18 Placer Comment
  JEPS111163  Ipomopsis congesta subsp. montana Steve Matson 2005-7-16 1397 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
  UCD164639  Iris hartwegii Brandi Sorensen 1995-6-1 10 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD138733  Iris hartwegii subsp. hartwegii G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12046 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCR191055  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12046 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  UCR208586  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2009-5-11 14653 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  RSA136471  Iris macrosiphon Lee W. Lenz, E. K. Balls 1955-5-12 20473 Placer U.S. Highway 40, at Colfax 762 Comment
  UC614450  Iris tenuissima L. Constance, J. L. Morrison 1938-4-30 2173 Placer edge of Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  CAS-BOT-BC88646  Isatis tinctoria B. Crampton 1954-5-11 1900 Placer Roadside, State Highway 49, 3 miles north of Auburn. Comment
  SBBG122675  Isoetes howellii J. Dittes 2003-5-25 2003 -28 Placer ca. 3.3 air-mi S of Lincoln, 0.5 air-mi E of jct of State Hwy 65 and Twelve Bridges Exit 39 Comment
  CAS-BOT-BC69868  Isoetes orcuttii John Thomas Howell; Gordon H. True 1972-3-17 s.n. Placer Northern outskirts of Lincoln. 48 Comment
  SEINET5338181  Isopyrum occidentale D. E. Brix 1962-3-17 s.n. Placer 3 1/2 miles northeast of Auburn, No. FK. American River. 366 Comment
  UC147581  Iva axillaris subsp. robustior Harriet A. Walker 1908-6-23 1217 Placer Blue Canyon 1432 Comment
  SCFS1041  Ivesia gordonii Unknown 2014-8-7 Placer Treeline cirque Comment
  SEINET11911561  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 s.n. Placer Tinker Knob, near Truckee 2896 Comment
  UCD133406  Jensia rammii L. H. Day 1958-5-12 s.n. Placer along State Highway 49, between Auburn and Grass Valley. Comment
  SACT002750  Juglans hindsii Josephine Van Ess 1976-4-21 Placer Collected near bridge over Dry Creek. Moist streambank. 27.4 Comment
  CAS-BOT-BC109964  Juncus Malcom A. Nobs; S. Galen Smith 1949-8-22 1537 Placer Marshy pool 6 miles northwest of Auburn on Dunn's Dam Road. Comment
  UCD42973  Juncus acuminatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 342 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR146851  Juncus articulatus Beecher Crampton 1959-7-23 5429 Placer Sierra Nevada foothills, behind Placer Hills School, Meadow Vista 534 Comment
  UCD33732  Juncus articulatus subsp. articulatus Beecher Crampton 1972-7-26 8842 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  CHSC74728  Juncus balticus Susi Urie; Eric Schroder 1998-9-11 98 -350 Placer Lake Tahoe Basin Management Unit - National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD43103  Juncus balticus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 471 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET6744631 Image available Juncus bufonius Marcus E. Jones 1882-1 2903 Placer Colfax, California Comment
  CHSC68034  Juncus bufonius var. bufonius James D. Jokerst 1986-4-14 2618 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  CHSC82584  Juncus bufonius var. bufonius Lowell Ahart 2002-7-22 9910 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
  OBI49318  Juncus bufonius var. bufonius Unknown 1882-7-4 2903 Placer Colfax Comment
  SEINET3814472 Image available Juncus bufonius var. halophilus Marcus E. Jones 1882-7-4 2903 Placer Colfax Comment
  SEINET3877879  Juncus chlorocephalus A. A. Heller 1903-8-17 7176 Placer Above Donner Donner Pass.; 0 2530 Comment
  UC1748358  Juncus confusus Susi Urie 1998-8-11 98 -14 Placer about 2 mi W of Lake Tahoe and Sunnyside (about 0.5 mi N of Ward Creek, along a small tributary) 2097 Comment
  JEPS111250  Juncus covillei var. obtusatus Steve Matson 2005-7-10 1383 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 200 meters NW of parking area. 1780 Comment
  JEPS1771  Juncus covillei var. obtusatus Friedrich Ehrendorfer 1952-7-20 Placer 6 mi e Iowa Hill; Shirttail Creek Comment
  UCD34026  Juncus effusus Beecher Crampton 1975-9-9 9278 Placer Placer County, Gold Run rest area on Hwy. 80. 914 Comment
  UCD163592  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass quadrangle, 15 minute series). At Serene Lakes Lodge. Comment
  UCR190586  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12957 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  SEINET2441254  Juncus effusus var. pacificus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15431 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill. (Duncan Peak 7.5' Q.).; 0 1662 Comment
  CDA25002  Juncus ensifolius J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD124128  Juncus ensifolius Ellen Dean; Marcel Rejmanek 2012-10-9 7502 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
  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
  CHSC74322  Juncus nevadensis Susi Urie 1998-9-1 98 -191 Placer Lake Tahoe Basin--National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  UCD44425  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1791 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR179425  Juncus orthophyllus E. Lowe Corbin 1982-8-11 314 Placer Northern Sierra Nevada Mountains, North Fork of the American River, 1.6 mi SW of Onon Creek Campground 1890 Comment
  JEPS111298  Juncus parryi Steve Matson 2005-8-7 1456 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.4 km NW of Silver Peak along stream near granite cliff band; 39.2267 N, 120.2599 W ; elev. 7,700 ft. 2346 Comment
  UCD21852  Juncus parryi Rex Palmer 1979-6-19 N 258 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD74147  Juncus parryi Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 249 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Donner's Way' ski run. 2154 Comment
  UCD36110  Juncus patens Beecher Crampton 1952-11-9 923 Placer 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  SEINET11056450  Juniperus occidentalis var. occidentalis P. A. Lehenbauer 1937-9-5 s.n. Placer Cisco. Comment
  CAS-BOT-BC58897  Kalmia microphylla subsp. microphylla L. S. Smith 1927-8-11 2203 Placer Squaw Valley - Tahoe N.F. 1889 Comment
  JEPS66615  Kalmia polifolia subsp. microphylla Leland S. Smith 1925-5-21 1591 Placer Tahoe National Forest, Squaw Valley Squaw Valley; Tahoe National Forest, Squaw Valley 1889 Comment
  CAS-BOT-BC235566  Keckiella breviflora Margaret J. Williams 1984-6-24 84- 65 -1 Placer 0.3 mi in from Hwy 20, on Bowman Lake Rd. 1524 Comment
  UC1280800  Keckiella breviflora H. E. McMinn 1926-5-28 1751 Placer 6 mi n Folsom ((Allens - local name of place)) Comment
  UC27398  Keckiella breviflora Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET3854194 Image available Keckiella breviflora subsp. breviflora Marcus E. Jones 1882-5-28 3276 Placer Emigrant Gap Comment
  UC886836  Keckiella breviflora var. glabrisepala C. L. Hitchcock 1940-5-14 6413 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  CAS-BOT-BC246323  Keckiella lemmonii Alice Eastwood 1909-1-1 233 Placer Squaw Creek Comment
  SCFS1152  Keckiella lemmonii E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  UC170099  Keckiella lemmonii Miss Helen D. Geis 1912-6 163 Placer Deer Park Comment
  SD237601  Kelloggia galioides G. K Helmkamp, Amy Barnes 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill (Michigan Bluff 7.5'Q) 1230 Comment
  UCR233396  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2011-8-26 18177 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  CDA36807  Kickxia elatine D. B. Joley 1971-7-12 4 Placer Near Loomis. 0 Comment
  CAS-BOT-BC341353  Lagophylla glandulosa David D. Keck 1933-6-1 2437 Placer South of Roseville, near Sacramento County--Placer County line Comment
  CAS-BOT-BC341352  Lagophylla glandulosa Rimo Bacigalupi; G. L. Stebbins; Juan Hunziker; Alex Hawkes; Daniel Zohary; Howard Stutz; Friedrich Ehrendorfer 1952-7-19 3848 Placer On grade down into and on the north slope of the North Fork of the American River, 1 1/2 miles north of (and below) Colfax on the road to Iowa Hill Comment
  CAS-BOT-BC341356  Lagophylla glandulosa David D. Keck 1932-6-30 1587 Placer 0.3 miles N. of Weimar P.O. 685 Comment
  UCD125092  Lamium amplexicaule Allan R. Magie 1957-3-24 112 Placer Auburn. Comment
  CDA37172  Lamium amplexicaule CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  SEINET7249132  Lamium amplexicaule George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  POM361598  Lasthenia fremontii C. B. Wolf 1937-5-12 8621 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  RSA585986  Lasthenia fremontii Adree M. Desrochers 1988-4-20 304 Placer Lincoln; along Hwy 65; 1.8 km from 5th Street/Rd 65 on E side of Hwy 65. Comment
  UCR234016  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
  UCR240960  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2012-9-25 19911 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
  CAS-BOT-BC213269  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer Ca. 1 mile west of Baxter. Comment
  CAS-BOT-BC213270  Lathyrus sulphureus Mrs. Mary E. P. Ames 1892-5-1 s.n. Placer Auburn Comment
  UC192639  Lathyrus sulphureus var. argillaceus Mrs. Ames Placer Auburn Comment
  JEPS119444  Layia chrysanthemoides George K. Helmkamp with E. A. Helmkamp 2011-4-10 17155 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan. Comment
  UCR231898  Layia chrysanthemoides George K. Helmkamp, E. A. Helmkamp 2011-4-10 17155 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  RSA0115333  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg ) of Colfax. 561 Comment
  RSA121950  Ledum glandulosum N. H. French 1934-6-21 436 Placer S.W. side of Paliside Lake. Comment
  UCD73807  Leersia oryzoides Christopher M. Bronny 2007-5-30 s. n. Placer North of Lincoln. On the east side of Hwy. 65 past the intersection of Gladding Road. Markham Ravine. 45 Comment
  SEINET3402462  Leontodon saxatilis R. W. Spellenberg, N. Zucker 2011-4-15 14274 Placer Along CA Hwy. 65 1.5 km N of Lincoln, ca. 40 air km NE of Sacramento. 55 Comment
  CHSC96474  Leontodon saxatilis subsp. longirostris Lowell Ahart; Brian Williams 2007-4-13 13633 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
  CAS-BOT-BC88833  Lepidium campestre M. S. Jussel 1928-6-25 s.n. Placer Tahoe Tavern, Tahoe City. Comment
  CAS-BOT-BC89730  Lepidium latifolium John Thomas Howell 1974-7-12 50606 Placer Sierra Nevada. Emigrant Gap. 1615 Comment
  SEINET5326391  Lepidium nitidum M. Demorest 1962-3-15 s.n. Placer Junction of the North and Middle Forks of the American River, 4 miles from Auburn. 274 Comment
  SEINET2470937  Leptosiphon harknessii K. Christie 2010-6-30 1878 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Summit and north of HWY 267. Along a Forest Service road that access the Tahoe Rim Trail. 2164 Comment
  UCD69218  Lessingia leptoclada D. Sanchez-Mata; P. Rodriguez-Rojo and D. Sanchez-Mata 1997-8-8 s.n. Placer Tahoe National Forest. Todd Valley-Forest Hill. Forest Hill Rd. 850 Comment
  POM361835  Lessingia leptoclada Fay A. MacFadden 1934-8-26 12935 Placer Forest Hill Comment
  CAS-BOT-BC341750  Lessingia nana John Thomas Howell; Gordon H. True 1971-5-26 47631 Placer Northern limits of Lincoln 48 Comment
  UCD117522  Leucothoe davisiae Murray Fowler 1961-8-8 s.n. Placer At margin of mountain meadow, Robertson Flat, ca. 19 miles west of Tahoe City. 1828 Comment
  UC1136687  Lewisia nevadensis N. French 1934-6-19 319 Placer 1/4 mi w Devil's Peak; Tahoe National Forest, Colfax quadrangle Comment
  RSA123078A  Lewisia rediviva N. H. French 1934-6-19 422 Placer 1/4 mile W of Devil s Peak. 2104 Comment
  UC852007  Lewisia triphylla Marcus E. Jones, A. M. 1882-5-28 2629 Placer Emigrant Gap Comment
  UCD22152  Lewisia triphylla Rex Palmer 1979-6-19 N 262 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC272202  Leymus triticoides John Thomas Howell 1943-7-19 18578 Placer Summit Valley Comment
  CAS-BOT-BC272203  Leymus triticoides John Thomas Howell 1943-7-27 18878 Placer Lake Tahoe near Tahoe Pines Comment
  MACF019631  Libocedrus decurrens Fay A. MacFadden 1934-8-3 12824 Placer California Comment
  UCD43253  Ligusticum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 622 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC436049  Ligusticum grayi A. A. Heller 1919-7-25 13300 Placer Near the Yuba River below Cisco 1676 Comment
  UCD21642  Ligusticum grayi Rex Palmer 1979-7-25 N 686 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD74019  Ligusticum grayi Jennifer W. Burt 2005-7-16 133 Placer Abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from coniferous forest near abandoned ski runs. 1947 Comment
  UC21115  Ligusticum grayi A. M. Carpenter 1893-8 Placer Comment
  CAS-BOT-BC130530  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  SCFS1111  Lilium E. Krimmel 2013-6-13 Placer NFAm. Stop #4. On trail to Heath Falls Overlook. Comment
  UCR215902  Lilium humboldtii subsp. humboldtii George K. Helmkamp, Amy Barnes 2009-7-12 15171 Placer Sierra Nevada Mountains Foothills, along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  CAS-BOT-BC130777  Lilium pardalinum Albert Vollmer 1949-7-6 12 -D Placer Bear Valley Comment
  CAS-BOT-BC130781  Lilium pardalinum Mrs. H. M. Mitchell 1930-6-7 s.n. Placer Between Colfax and Dutch Flat Comment
  POM109722  Lilium parvum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  RSA75405  Lilium parvum Albert M. Vollmer, L. Beane 1951-07 190 Placer Bear Valley, east of Nevada City Comment
  UC148984  Lilium parvum H. M. Hall Jul 1910 8755 Placer near Cisco; Sierra Nevada Mountains 1859 Comment
  CAS-BOT-BC508480  Lilium parvum F. Almeda 1993-7-24 7282 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2133 Comment
  CAS-BOT-BC508487  Lilium parvum W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  LA84032  Lilium washingtonianum O. H. Kappler; 1946-6-18 1321 Placer Lake Tahoe, NW shore 1920 Comment
  CAS-BOT-BC133075  Lilium washingtonianum subsp. washingtonianum G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  UC984814  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer and L. Beane Jul 1951 191 Placer e of Nevada City; Bear Valley Comment
  UCR246823  Lilium washingtonianum var. washingtonianum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16650 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  JEPS19562  Limnanthes alba Francis Ramaley 1917-4-14 11108 Placer Lincoln Comment
  SEINET8727023 Image available Limnanthes alba Charles T. Mason Jr. 1949-1 1294 Placer 4.3 miles S. W. of Placerville along U. S. Highway 50. Comment
  SEINET3225174 Image available Limnanthes douglasii Marcus E. Jones 1882-6-28 3285 Placer Emigrant Gap. Comment
  UC17892  Limnanthes douglasii subsp. rosea Mrs. M. M. Hardy 1893-1 Placer Comment
  SDSU3171  Linanthus bicolor D . F. Howe 1951-5-2 2111 Placer 4.0 miles N of Auburn. 457 Comment
  UCD21974  Linanthus pungens Beth Lowe Corbin 1982-8-4 234 Placer 1 1/8 miles NNW of Onion Creek campground. 2194 Comment
  CDA6360  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4182 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  CHSC97805  Linaria vulgaris L. P. Janeway; B. Castro 2007-9-28 9211 Placer Northern High Sierra Nevada. Along south bank of Truckee River 0.9 km southwest of the Lake Tahoe dam. 1893 Comment
  RSA300578  Lithocarpus densiflorus var. densiflorus John Dourley, Walter Wisura 1982-10-13 3860 Placer 7.3 mi SW of Emigrant Gap, along forestry rd. 19. 1402 Comment
  JEPS71834  Lithophragma glabrum Gladys L. Smith 1972-6-18 3159 Placer Alpine Meadows 2072 Comment
  UCD22328  Lithophragma glabrum Rex Palmer 1979-6-9 N 170 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC441141  Lithophragma parviflorum A. A. Heller 1917-6-17 12698 Placer Low, gravelly places along the YUba River below Cisco 1676 Comment
  CDA37216  Lolium multiflorum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT001436  Lolium multiflorum D. Meyer 1983-5-15 Placer Field at southeast corner. 36.6 Comment
  UC1137048  Lolium multiflorum August L. Hormay 1932-5-24 Placer w Auburn; w of Auburn Comment
  HSC10299  Lolium perenne L. M. Malloy 1965-4-17 28 Placer Vacant lot adjacent to Hwy. 99E in Lincoln. Comment
  SEINET3282812 Image available Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14567 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
  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
  UC765515  Lomatium caruifolium var. denticulatum R. F. Hoover 1939-5-10 4090 Placer Lincoln Comment
  SD247298  Lomatium dissectum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles southeast (167 degrees) of Colfax. 561 Comment
  JEPS126307  Lomatium nevadense var. nevadense Steve Matson 1998-5-24 213 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards north Highway 267. Comment
  UCD35457  Lomatium utriculatum Beecher Crampton 1957-5-7 3997 Placer 1.1 miles east of Lincoln on road to Newcastle. Comment
  UCR250056  Lomatium utriculatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  RSA463218  Lonicera conjugialis J. H. Nishida 1985-7-10 789 Placer Homewood. 1829 Comment
  UC1125217  Lonicera conjugialis B. Bolt 1934-8-14 172 Placer e slope Red Star Ridge (in Plot 220); Tahoe National Forest, Truckee Quadrangle Comment
  UCD22156  Lonicera conjugialis Beth Lowe Corbin 1982-8-10 303 Placer 1 1/2 miles WNW of Onion Creek Campground. 1996 Comment
  CAS-BOT-BC200948  Lotus Saichi Kawahara 1969-5-24 869 Placer Strawberry Flat, Henderson Ranch 999 Comment
  CAS-BOT-BC200945  Lotus L. S. Smith 1926-5-30 1877 Placer Tahoe National Forest. Colfax Road 853 Comment
  UC15545  Lotus aboriginus H. N. Bolander Apr 1865 4617 Placer Forest Hill Comment
  RSA0037369  Lotus argophyllus var. fremontii George K. Helmkamp, Mary Alice Barnes 2013-5-3 20502 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  RSA293386  Lotus argophyllus var. fremontii Reino Alava 1958-5-3 1999 Placer About three miles southeast of Auburn, on the road from Auburn to Forest Hill. Comment
  SEINET5453657 Image available Lotus corniculatus E. Neese 1980-10-15 9985 Placer Gravel banks- roadside- in scrub oak community. Comment
  CDA25014  Lotus crassifolius J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS83670  Lotus humistratus W. H. Shockley Jun 1886 Placer Auburn Comment
  UC148632  Lotus incanus Katharine Brandegee 1908-6 Placer Cape Horn Comment
  POM27010  Lotus oblongifolius Marcus E. Jones 1882-6-27 3282 Placer Emigrant Gap. Comment
  RSA122864  Lotus oblongifolius G. T. Nordstrom 1934-6-22 155 Placer At Mammoth Springs. 1707 Comment
  RSA406230  Lotus oblongifolius var. nevadensis Wm. Martin 1971-9-10 20280 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  JEPS102726  Lotus oblongifolius var. oblongifolius Lowell Ahart 2001-10-10 9356 Placer French Meadows Reservoir, about 1/4 mile NE of boat or trail access area on NW side of reservoir, about 3/4 mile SW of bridge across Middle Fork of American River, about 1 3/4 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1591 Comment
  CDA15883  Lotus pinnatus G. F. Hrusa, L. Serafini 1993-6-29 11263 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  RSA795081  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18170 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat. 2041 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
  UC862226  Lotus purshianus var. purshianus A. A. Heller 1917-8-12 12873 Placer w of Emigrant Gap (Southern Pacific reservoir) Comment
  CHSC118006  Lotus uliginosus G. K Helmkamp; E. A Helmkamp 2008-8-20 14024 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and east of Norden. 2149 Comment
  RSA406275  Lotus unifoliolatus Wm. Martin 1973-9-10 20213 Placer 1 mile east of Weimar on Hwy. 80. 610 Comment
  JEPS46162  Lupinus L. S. Smith 1928-6-9 2292 Placer s slope Squaw Valley; Tahoe Forest, s slope Squaw Valley 1828 Comment
  UCD105842  Lupinus adsurgens G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12630 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  HSC59019  Lupinus albifrons Dan Wyrick 1975-3-29 19 Placer Near Long Point, close to Applegate 427 Comment
  CAS-BOT-BC438818  Lupinus albifrons var. albifrons George K. Helmkamp; Mary Alice Barnes 2013-4-18 20361 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
  UCD106006  Lupinus albifrons var. albifrons G. K. Helmkamp; Elizabeth Helmkamp 2006-4-13 10195 Placer Northern Sierra Nevada Foothills; Forest Hill Road, 2.5 mi E of its junction with CA Hwy 49. North side of the middle fork of the American River. NE of Auburn. 274 Comment
  UCR173267  Lupinus albifrons var. collinus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10429 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR188844  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11713 Placer Foothills, Northern Sierra Nevada Mountains, Forest Hill Road at the junction with the unnamed road to Lake Clementine 457 Comment
  UCR208573  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14607 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  JEPS46223  Lupinus apertus L. S. Smith 1931-6-3 2553 Placer summit at Duncan Peak (Tahoe Forest); , Duncan Peak 2133 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
  SCFS1174  Lupinus arbustus E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  CAS-BOT-BC8276  Lupinus arbustus subsp. silvicola Amos Arthur Heller 1909-7-16 9857 Placer Summit 2133 Comment
  UC15884  Lupinus argenteus var. meionanthus C. F. Sonne 1887-8-7 Placer Mts. above Coldstream; Sierra Nevada, Mts. above Coldstream 2286 Comment
  CDA37251  Lupinus benthamii CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC1949024  Lupinus benthamii Barbara Ertter with David Thompson 1989-4-9 8199 Placer Coloma Road E of Auburn Comment
  CDA27414  Lupinus bicolor T. C. Fuller 1958-4-15 Placer Highway 99E, 0.5 mile north of Roseville. 0 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
  UCR188850  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCR198411  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2008-4-17 13296 Placer Sacramento Valley / Sierra Nevada Foothills, about 0.2 mile north of CA-193 on Fowler Road, about 6 miles east of Lincoln 93 Comment
  UCR222541  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-17 15886 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill 360 Comment
  UCR238590  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2012-3-31 18661 Placer Sacramento Valley, along CA-193, 0.3 mile northwest of its junction with Gold Hill Road 131 Comment
  SEINET9363475  Lupinus confertus Unknown 1999-7-17 15148 Placer Martis Valley Comment
  SEINET9339342  Lupinus densiflorus var. densiflorus Unknown 1999-7-17 15148 Placer Martis Valley Comment
  JEPS65249  Lupinus grayi Mrs. M. M. Hardy 1893-1 Placer near Emigrant Gap; near Emigrant Gap Comment
  UC1129476  Lupinus grayi N. French 1934-5-24 358 Placer N. Fork of N. Fork American River North Fork of North Fork American River; Tahoe National Forest, Colfax Quadrangle Comment
  UCD108133  Lupinus latifolius F. A. MacFadden 1934-7-9 s.n. Placer Near flume below Emigrant Gap. Comment
  RSA414802  Lupinus latifolius subsp. latifolius E. J. Koaus 1924-7-10 s.n. Placer Lake Tahoe. Comment
  UC127526  Lupinus latifolius var. columbianus Mrs. M. M. Hardy 1893-1 Placer 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
  SJSU10719  Lupinus lepidus var. lobbii R. L. Fisher 1957-8-5 Placer Emigrant Meadow 3 mi S of Norden at headwaters of S Fork Yuba R 2286 Comment
  UC127001  Lupinus lepidus var. sellulus J. Burtt Davy Jun 25 1897-Jun 30 1897 3245 Placer Truckee River; Truckee River Basin, Truckee River Comment
  UCD43094  Lupinus lepidus var. sellulus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 462 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC1481901  Lupinus lepidus var. sellulus D. B. Dunn, LeDoux and Kenney 1973-6-26 21040 Placer 0.4 mi e Norden Post Office (approaching Donner Pass); , e of the Norden Post Office Comment
  RSA0055953  Lupinus microcarpus var. densiflorus George K. Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountain Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River. 290 Comment
  SEINET11261466  Lupinus microcarpus var. densiflorus George Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountain Foothills on Old Forest Hill Road, 0.4 miles NE of the junction with CA-49 at North Fork American River.; 0 290 Comment
  SEINET11261560  Lupinus microcarpus var. densiflorus George Helmkamp, E. A. Helmkamp 2012-5-5 18921 Placer Northern Sierra Nevada Mountains Foothills on Lake Clementine Road, 1.2 miles W of the junction with Foresthill Road. 0.3 air miles SE (123 degrees) of Clementine Dam on the American River.; 0 396 Comment
  UCR256515  Lupinus microcarpus var. densiflorus George K. Helmkamp, Amy Barnes 2014-4-23 22771 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
  SD43642  Lupinus microcarpus var. densiflorus Darley F. Howe 1948-5-21 1860 Placer Placer County 456 Comment
  UCR224244  Lupinus microcarpus var. microcarpus George K. Helmkamp, E. A. Helmkamp 2010-4-23 15906 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
  RSA0038508  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20471 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 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
  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
  UC1129723  Lupinus polyphyllus var. burkei B. Bolt 1934-8-22 191 Placer Grayhorse Flat; Tahoe National Forest, Truckee Quad., Grayhorse Flat Comment
  POM215767  Lupinus vallicola subsp. vallicola D. D. Keck 1933-6-1 2434 Placer Loomis, city limits on road to Folsom. Comment
  CHSC74327  Luzula cascadensis Susi Urie; Eric Schroder 1998-9-11 98 -342 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  SEINET11790128  Luzula comosa Unknown 1933-1 8454 Placer Auburn Comment
  UCD44507  Luzula subcongesta C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1873 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS126353  Madia elegans Steve Matson 1998-7-27 346 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west of North Ave. at junction west fork of Snow Creek. Comment
  OBI82262  Madia elegans George K Helmkampf, Mary Alice Barnes 2013-5-3 20489 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
  UCD69161  Madia elegans D. Sanchez-Mata; P. Rodriguez-Rojo and D. Sanchez-Mata 1997-8-6 s.n. Placer Tahoe National Forest. Forest Hill-Michigan Bluff. Michigan Bluff Rd. 1070 Comment
  UCR250353  Madia elegans George K. Helmkamp, Mary Alice Barnes 2013-5-3 20489 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
  CAS-BOT-BC343772  Madia elegans Grant 1906-7-25 7071 Placer Tallac - Lake Tahoe Comment
  CAS-BOT-BC343776  Madia elegans J. Clausen 1932-9-16 652 Placer 5.1 miles southwest of Auburn, along the Gold Hill Road to Lincoln Comment
  POM362140  Madia elegans subsp. elegans Wm. Martin 1971-9-10 20202 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  POM216212  Madia exigua D. D. Keck 1933-5-31 2427 Placer Just south of Auburn on road to Roseville. 305 Comment
  CAS-BOT-BC342839  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  UC485303  Madia glomerata Katharine Brandegee Placer Summit Comment
  UCD134281  Madia gracilis A. S. Crafts 1926-5-1 790 Placer American River Canyon. Comment
  UCR194969  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12000 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  UCR218128  Madia minima George K. Helmkamp, E. A. Helmkamp 2010-6-26 16377 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  POM253192  Madia rammii A. A. Heller 1938-5-7 15076 Placer Between Smartsville and Rough and Ready. Nevada city about 12 miles E Comment
  UCD139046  Maianthemum racemosum C. J. W. 1913-7-1 159 Placer Emigrant Gap. Comment
  UCD22058  Maianthemum racemosum Rex Palmer 1979-5-27 N 68 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC512083  Maianthemum racemosum subsp. amplexicaule John H. Thomas; Hazelle A. Thomas 1956-7-21 6121 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento; Sierra Nevada 2377 Comment
  RSA463211  Maianthemum racemosum subsp. amplexicaule J. H. Nishida 1985-7-10 786 Placer Homewood. 1829 Comment
  CAS-BOT-BC512082  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-6-15 411 Placer Deer Park; Lake Tahoe Region Comment
  CHSC74032  Maianthemum stellatum Susi Urie 1998-8-28 98 -144 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  RSA463241  Maianthemum stellatum J. H. Nishida 1985-7-10 780 Placer Homewood. 1829 Comment
  UCD150496  Maianthemum stellatum James A. Neilson Jr. 1970-8-7 2067 Placer Tahoe Basin, Tahoe Pines, 895 Grand Ave. 1920 Comment
  UCD107663  Marah fabacea Gordon H. True; John Thomas Howell 1972-3-17 7074 Placer Just south of Auburn Ravine, 1.5 miles west of Lincoln. 48 Comment
  SEINET4560777  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 2012-1 19217 Placer Northern Sierra Nevada Mountains; Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  SEINET2441672  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2009-4-22 14558 Placer Sierra Nevada Mountains Foothills: Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River (Auburn 7.5' Q.). 277 Comment
  SACT001477  Melica aristata D. Meyer 1984-7-8 Placer ground at lakeside 1758.0 Comment
  CAS-BOT-BC269217  Melica aristata California Academy of Sciences 1870-6-10 s.n. Placer Cisco/Sierra Nevada Comment
  SEINET4671509  Melica aristata P. B. Kennedy, S. B. Doten 1901-8-15 294 Placer Talbots home camp 7 miles from French Meadows Comment
  SACT001502  Melica californica Josephine Van Ess 1980-5-7 Placer Collected about 1 mile east of highway 49. roadside serpentine area. 4146.0 Comment
  SACT001496  Melica californica var. nevadensis Michael Baad 1983-5-5 Placer 3 miles southeast on Yankee Jim Road from Canyon Way Road, descending to North Fork of American River. 548.64 Comment
  UCD87276  Melica fugax A. A. Heller 1917-6-17 12699 Placer Yuba River. Comment
  SEINET175792 Image available Melica geyeri Marcus E. Jones 1882-6-30 3553 Placer Emigrant Gap Comment
  CAS-BOT-BC281294  Melica harfordii Saichi Kawahara 1969-5-25 890 Placer N of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001513  Melica harfordii Michael Baad 1977-6-2 Placer 0.8 mile south of Wiemar, east-facing cliff streamside habitat. 606.0 Comment
  UCD36652  Melica harfordii Beecher Crampton 1955-6-15 2872 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  JEPS86481  Melica stricta L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6558 Placer ca 5 mi se Donner Lake (slopes s of Tinker Knob, Sherman Chickering's Soda Springs holdings); Sherman Chickering's Soda Springs 2438 Comment
  SACT001528  Melica stricta Michael Baad 1976-8-4 Placer Ascent of creek bed draining Comment
  SACT001532  Melica subulata Michael Baad 1977-6-1 Placer 1097.28 Comment
  UC303589  Mentzelia congesta G. B. Grant July, 1906 7067 Placer Lake Tahoe Comment
  JEPS127471  Mentzelia dispersa Steve Matson 1998-6-23 301 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Snow Creek. Comment
  UC872457  Mentzelia dispersa Lewis S. Rose 1938-9-14 38269 Placer 3 m nw Tahoe City; Truckee River 1828 Comment
  CAS-BOT-BC428535  Micranthes aprica Brannan; Kellogg 1870-6-9 s.n. Placer Cisco Comment
  JEPS127556  Micranthes bryophora Steve Matson 2004-8-1 1081 Placer nSNH: Tahoe Basin west shore; Blackwood Canyon, 1/2 mile SE of Barker Pass. Comment
  SEINET6033452  Micranthes californica R. L. Smith 1942-4-3 s.n. Placer 10 miles east of Roseville 152 Comment
  UCD22368  Micranthes nidifica Rex Palmer 1979-7-12 N 623 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC429297  Micranthes tolmiei C. F. Sonne 1885-8-23 92 Placer Sierra Nevada Mts. Tinker Knob 2895 Comment
  SEINET12220884  Micranthes tolmiei C. F. Sonne 1885-1 s.n. Placer Tinkers Knob, Sierra Nevada Mts 2743 Comment
  CAS-BOT-BC348845  Microseris douglasii subsp. douglasii John Thomas Howell; Gordon H. True 1971-5-26 47634 Placer Northern limits of Lincoln 48 Comment
  UC829637  Microseris nutans Lewis S. Rose 1941-7-12 41306 Placer Chambers Lodge, McKinney Lake Tahoe 1920 Comment
  UCD21784  Microseris nutans Rex Palmer 1979-6-19 N 221 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC349329  Microseris nutans Alice Eastwood 1912-6-15 s.n. Placer Dear Park, Lake Tahoe Region Comment
  CHSC72880  Microsteris gracilis L. P. Janeway; Eric Schroder 1998-7-13 5750 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  POM75720  Microsteris gracilis subsp. gracilis Marcus E. Jones 1882-6-28 10380 Placer Emigrant Gap. Comment
  UCD144313  Mimulus aurantiacus G. F. Hrusa 1995-5-20 12185 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  UCR208568  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14602 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UC886165  Mimulus aurantiacus var. grandiflorus Marcus E. Jones, A. M. 1882-6-28 3288 Placer Emigrant Gap Comment
  UC943801  Mimulus aurantiacus var. grandiflorus H. E. McMinn 1945-10-20 5502 Placer 1 1/2 mi w Lake Spaulding (ca. 40 yds from Bear River Bridge, e end of Bear Flats) Comment
  UC124343  Mimulus bicolor A. Kellogg June 1870 523 Placer alta Comment
  JEPS103346  Mimulus breweri Lowell Ahart 2002-7-22 9900 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
  RSA447928  Mimulus guttatus Fay A. MacFadden 1934-7-10 12774 Placer Canyon Creek. Dutch Flat. Comment
  UCD149497  Mimulus guttatus G. L. Stebbins 1978-5-28 78100 Placer Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD40888  Mimulus guttatus Heidi Haugen 1984-4-15 3 Placer Folsom Lake westside. 22 Comment
  UCR208601  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14629 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  JEPS10944  Mimulus guttatus W. L. Jepson 1938-4-5 18584 Placer 2 mi e Auburn (on Placerville road) Comment
  UCD122690  Mimulus microphyllus M. H. Mills 1996-4-21 165 Placer 5830 Walden Lane, Loomis. 180 Comment
  UC125208  Mimulus moniliformis Katharine Brandegee July 1908 Placer near Cisco Comment
  JEPS59501  Mimulus moniliformis Ezra Brainerd and Viola B. Baird 1915-7-17 256 Placer 1 mi above Bear Rock (cliffs e of river); Sierra Nevada Mts., Truckee River 2042 Comment
  UCD44488  Mimulus moschatus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1854 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 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
  UCD75956  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5211 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. 2270 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
  RSA434711  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD21889  Mimulus primuloides Rex Palmer 1979-7-9 N 451 Placer Onion Creek meadow #2. Comment
  UCD162557  Mimulus suksdorfii Steve Matson 1998-6-6 227 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south side of Highway 267 50 meters east of Martis Creek. 1780 Comment
  UCD44720  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2086 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  POM20830  Mimulus tilingii C. F. Sonne 1895-7-25 s.n. Placer W. slope [Wahoo Wash?] 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
  SEINET3245755  Mimulus torreyi G. K. Helmkamp, E. A. Helmkamp 2009-1 15425 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5') 1661 Comment
  UC1047919  Mimulus torreyi Kay H. Beach 1940-9-12 1053 Placer near Soda Springs; Sierra Nevada Mountains Comment
  UC2043027  Minuartia californica Barbara Ertter with Niall McCarten and Tom Fraser 1991-3-29 9719 Placer 2-3 miles south of Lincoln. Comment
  CAS-BOT-BC432977  Mitella breweri Kellogg 1870-1-1 s.n. Placer Cisco; Sierra Nevada Mt. Comment
  CAS-BOT-BC318583  Monardella odoratissima A. A. Heller 1919-7-26 13320 Placer Donner pass. 2194 Comment
  LA27283  Monardella odoratissima Lewis S. Rose; 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  RSA463237  Monardella odoratissima J. H. Nishida 1985-7-10 776 Placer Homewood. 1829 Comment
  CHSC9525  Monardella odoratissima subsp. pallida J. F. Goodwin 1971-7-10 160 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi sw of Cornelian Bay. 1981 Comment
  RSA531309  Monardella odoratissima subsp. pallida Walter Wisura 1991-8-22 4546 Placer Squaw Valley, beyond upper cable car stn. on steep E-facing slope below rocky summit Comment
  SD243166  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2011-8-26 18168 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
  UC1124589  Monardella odoratissima subsp. pallida N. French 1934-6-22 459 Placer 1/2 mi west of Lake Van Norden; Truckee Quadrangle Comment
  UC148981  Monardella odoratissima subsp. pallida H. M. Hall July 1, 1910 8731 Placer Cisco Sierra Nevada Mountains 1828 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
  CAS-BOT-BC444730  Montia chamissoi John Thomas Howell 1938-8-2 13993 Placer 5 miles north of Brockway 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
  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
  UCD87093  Muhlenbergia rigens R. M. Love 1950-9-26 s.n. Placer between Sheridan and Roseville, Franceschi Ranch. Comment
  UC854359  Myosurus apetalus Alice Eastwood Jun 15 1912-Jun 19 1912 467 Placer Tahoe City; Lake Tahoe Region Comment
  UCD102557  Myriophyllum quitense Lars Anderson; Doreen Gee 2008-12-9 s. n. Placer Lake Tahoe (California side, near Tahoe Keys East Channel). Approximately 500 ft. from entrance to Tahoe Keys Marina. Comment
  SD243158  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16801 Placer Northern Sierra Nevada Mountains: American Hill Road, 1.2 miles south of its junction with Foresthill Road. 1566 Comment
  SEINET3156176  Nama lobbii H. A. Walker 1908-7-26 1498 Placer Cisco Comment
  UCR231006  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16801 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  CAS-BOT-BC438834  Nasturtium officinale George K. Helmkamp; Mary Alice Barnes 2013-5-3 20501 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill. 422 Comment
  UCD22114  Navarretia breweri Rex Palmer 1979-6-21 N 385 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS127417  Navarretia capillaris Steve Matson 2003-7-6 828 Placer nSNH; about 6 miles SW of Truckee, Squaw Valley; Shirley Canyon trail to the PCT. Comment
  JEPS71473  Navarretia divaricata Gladys L. Smith 1972-6-20 3265 a Placer Wark Peak, just below summit Ward Peak 2590 Comment
  LA206582  Navarretia divaricata G. T. Nordstorm; 1934-6-21 150 Placer 0.4 mi. W by NW of Mammoth Springs 1706 Comment
  UC990914  Navarretia eriocephala D. F. Howe 1951-5-2 Placer Comment
  UCR249577  Navarretia eriocephala George K. Helmkamp, Amy Barnes 2013-3-28 20279 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  POM74451  Navarretia filicaulis Katherine Brandegee 1908-07 3417 Placer Cape Horn. Comment
  SD61093  Navarretia filicaulis Darley F. Howe 1964-7-26 3870 Placer Auburn 366 Comment
  SEINET178555  Navarretia filicaulis Marcus E. Jones 1982-7-3 3417 Placer Colfax Comment
  UC126091  Navarretia filicaulis Marcus E. Jones, A. M. 1882-7-3 3417 Placer Colfax Comment
  UC614895  Navarretia intertexta Beryl O. Schreiber 1934-7-4 1187 Placer 6 mi e Lookout Comment
  JEPS127514  Navarretia intertexta subsp. propinqua Steve Matson 1997-6-15 14 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  RSA469428  Navarretia leptalea L. S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  RSA84887  Navarretia leptalea L. S. Rose 1941-7-15 41319 Placer Chambers Lodge (McKinney), Lake Tahoe 1921 Comment
  UCD22106  Navarretia leptalea Rex Palmer 1979-6-19 N 212 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD38931  Navarretia leptalea Beecher Crampton 1961-9-27 6003 Placer 1 mile west of Cisco Grove, along US Hwy 40, Yuba River Basin. Comment
  RSA470051  Navarretia leptalea Fay A. MacFadden 1934-7-26 s.n. Placer Foot of Red Mountain Comment
  UC1123763  Navarretia leptalea subsp. bicolor B. Bolt 1934-7-12 112 Placer Devil's Peak Tahoe National Forest, Truckee Quad. 2042 Comment
  JEPS127409  Navarretia leptalea subsp. leptalea Steve Matson 1998-6-27 318 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area south side of Highway 267. Comment
  CHSC83139  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer Sunnybrook Farm (Francheschi); 2 miles north of Lincoln. Vernal pool in pasture. Comment
  SEINET189572  Navarretia leucocephala Lincoln Constance 1941-5-28 2820 Placer 2 miles N ofl Lincoln, Sarcamento Valley. 61 Comment
  UC660002  Navarretia leucocephala Lincoln Constance 1941-5-28 2820 Placer 2 mi n Lincoln; Sacramento Valey 60 Comment
  JEPS113142  Navarretia leucocephala subsp. leucocephala Lowell Ahart, Brian Williams 2007-4-13 13664 Placer On the 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
  POM260036  Nemophila heterophylla C. L. Hitchcock 1940-5-7 6321 Placer 1 mile west of Baxter. Comment
  UC880880  Nemophila heterophylla C. L. Hitchcock 1940-5-7 6321 Placer ca 1 mi w Baxter; w of Baxter Comment
  UCR253529  Nemophila heterophylla George K. Helmkamp, Amy Barnes 2014-4-23 22793 Placer Sierra Nevada Mountains Foothills, Old Auburn-Foresthill Road, 1.7 miles northeast of its junction with CA-49 at North Fork American River 407 Comment
  UC606928  Nemophila heterophylla L. Constance, J. L. Morrison 1938-4-30 2171 Placer at eastern edge Applegate (Sierra Nevada foothills); , e edge Applegate 609 Comment
  CAS-BOT-BC7208  Nemophila humilis Alice Eastwood 1898-6-8 s.n. Placer Summit Comment
  UCD119915  Nemophila maculata Terri Williamson 1990-4-15 4 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  SEINET5520983  Nemophila maculata J. J. Murray 1965-3-13 s.n. Placer Pilot Hill 351 Comment
  UCD120233  Nemophila menziesii M. Vincent 1965-4-11 608 Placer 1 mile N. of Marysville on Hwy. 99 E. Comment
  SEINET5521021  Nemophila menziesii A. Beninghoff 1930-3-15 2684 Placer 5 miles east of Lincoln Comment
  UCD120255  Nemophila menziesii var. menziesii J. L. Wirka 1995-5-19 s.n. Placer Near a road cut about 1 km from the trailhead of the Steven's Trail that descends the north fork of the American River Canyon outside of Colfax, south of I-80. 400 Comment
  RSA20888  Nemophila menziesii var. menziesii Carl B. Wolf 1937-3-30 8351 Placer Sacramento Valley, 3.4 miles east of Lincoln on Penryn Road. 76 Comment
  UCR194951  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2007-5-18 12029 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 southeast of Foresthill 439 Comment
  SD241051  Nemophila pulchella var. fremontii George K. Helmkamp, E. A. Helmkamp 2010-4-17 15901 Placer Northern Sierra Nevada Mountains Foothills: along CA-49, 2.5 miles southeast of Pilot Hill (Colloma 7.5'Q) 270 Comment
  UCR222894  Nemophila pulchella var. fremontii George K. Helmkamp, E. A. Helmkamp 2010-4-17 15901 Placer Sierra Nevada Mountains Foothills, along CA-49, 2.5 miles southeast of Pilot Hill 271 Comment
  POM73897  Nemophila spatulata Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC606960  Nemophila spatulata L. Constance 1938-6-6 2279 Placer 6.5 mi w Cisco (Sierra Nevada); , w of Cisco 1584 Comment
  CAS-BOT-BC349975  Oreostemma alpigenum var. andersonii John Thomas Howell 1943-7-19 18590 Placer Summit Valley Comment
  UCD21985  Orobanche californica subsp. grayana Beth Lowe Corbin 1982-8-19 384 Placer 2 miles south of The Cedars. 2118 Comment
  UC57362  Orobanche californica subsp. grayana H. M. Hall and H. P. Chandler July 1903 4551 Placer Sierra Nevada Mountains. Vicinity of Lake Tahoe. Brockway. Comment
  CAS-BOT-BC458060  Orthilia secunda John H. Thomas; Hazelle A. Thomas 1956-7-21 6202 Placer Sierra Nevada. Vicinity of Doner Pass, about 80 miles NE of Sacramento 2377 Comment
  SJSU6215  Orthilia secunda R. L. Fisher 1959-8-12 Placer 2 mi W of L Van Norden 1981 Comment
  SCFS1214  Orthocarpus cuspidatus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top meadow. 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
  UC194170  Orthocarpus cuspidatus subsp. cryptanthus C. F. Sonne 1884-8-10 Placer road to Lake Tahoe near Toll House; road to Lake Tahoe near Toll House Comment
  POM153464  Orthocarpus hispidus Philip A. Munz 1928-6-25 11088 Placer Tahoe Camp, USFS, Lake Tahoe. 2073 Comment
  UCD21670  Osmorhiza berteroi Beth Lowe Corbin 1982-8-6 271 Placer About 1/3 mile west of Onion Creek campground. In rocky, fine, sandy soil about 10 yards freom stream. Partial sun. South facing slope, 30% incline. Uncommon. 1920 Comment
  JEPS14029  Osmorhiza berteroi Rimo Bacigalupi with G. L. Stebbins, J. Hunziker, F. Ehrendorfer, A. Hawkes, D. Zohary & H. Stutz 1952-7-19 3864 Placer ridge between Indian Creek and North Fork American River (near site of Monona Flat, about 2 1/2 mi e of Iowa Hill) 990 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
  SEINET208826 Image available Paeonia brownii Edward L. Smith 1967-6-17 sn Placer 1 mile east of Emigrant Gap 1620 Comment
  JEPS59363  Paeonia brownii Ezra Brainerd and Viola B. Baird 1915-7-7 112 Placer along road Squaw Valley; Sierra Nevada Mts. 1905 Comment
  CDA32586  Panicum acuminatum var. acuminatum G. D. Barbe 1973-7-19 1633 Placer Roadside Rest Area, West-bound Interstate 80, Gold Run. Comment
  SACT001633  Panicum dichotomiflorum Josephine Van Ess 1976-9-15 Placer Collected on the bank of reservoir on road to dam. Amoung rocks, dry where water receded. 76.2 Comment
  UCD34185  Panicum dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Applegate. Comment
  SACT001645  Panicum pacificum Michael Baad 1977-6-9 Placer At junction of Middle Fork of American River and Rubicon River 365.76 Comment
  JEPS113293  Parentucellia viscosa L. P. Janeway 2006-5-10 8593 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. Comment
  UCR253806  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20093 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  UCR259868  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22469 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  CDA42833  Paspalum distichum G. F. Hrusa, M. Pitcairn 2015-7-16 18656 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 231 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-BC258773  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  UC1618222  Pectocarya pusilla Barbara Ertter with David Thompson 1989-4-8 8172 Placer Iowa Creek Rd. ca. 2 mi. from I-80 near entrance to Auburn State Recreation Area (at creek crossing) 518 Comment
  POM308680  Pedicularis attollens Betty J. Jorgensen 1944-7-23 528 Placer Near Soda Springs. Comment
  UCD42898  Pedicularis groenlandica C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 266 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC128137  Pedicularis racemosa Miss Harriet A. Walker 1908-7-29 1502 Placer on trail to Mud Lake; Cisco 1828 Comment
  JEPS111208  Pedicularis semibarbata Steve Matson 2005-7-4 1364 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  UCD21902  Pedicularis semibarbata Beth Lowe Corbin 1982-8-6 270 Placer About 1/2 mile west of Onion Creek campground. 1950 Comment
  POM120791  Pellaea brachyptera Marcus E. Jones 1882-6-28 3275 Placer Emigrant Gap. 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
  UCD137727  Pellaea bridgesii 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
  SEINET10929437  Pellaea bridgesii G. B. Grant 1906-8-1 Grant UMO 31180 Placer Collected at Lake Tahoe, Sierra Nevada Mts. 2 Comment
  UC614916  Pellaea bridgesii Beryl O. Schreiber 1934-7-4 1184 Placer 6 mi e Lookout Comment
  RSA686980  Pellaea mucronata Fay A. MacFadden 1934-3-25 12480 Placer Canyon Creek, Monte Vista Inn. Comment
  CHSC24729  Pellaea mucronata var. californica T. C. English 1976-4-11 14 Placer N. Fork American River. 2 mi. W. Hwy 49 Bridge, 400 yds. N. abandoned R. R. 335 Comment
  UC887118  Penstemon Marcus E. Jones, A. M. 1882-7-1 3434 Placer Emigrant Gap Comment
  UCD124048  Penstemon azureus G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10712 Placer Northern Sierra Nevada Mountains foothills; 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 487 Comment
  UCR173791  Penstemon azureus George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10712 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  JEPS8274  Penstemon azureus Rimo Bacigalupi with Aldo Bacigalupi 1952-8-12 3923 Placer 1 1/2 mi w Cisco Grove Lodge (base of granite cliff along U.S.40); w of Cisco Grove Lodge 1676 Comment
  SD103530  Penstemon azureus Darley F. Howe 1978-7-15 5072 Placer Along state highway 20, 27 miles west of Truckee 1584 Comment
  NY571130  Penstemon azureus var. angustissimus M. E. Jones 1882-7-3 3437 Placer Colfax Comment
  JEPS111238  Penstemon deustus Steve Matson 2005-6-19 1293 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2974 N, 120.1379; Elevation 5850 ft. 1783 Comment
  JEPS15127  Penstemon deustus N. French 1934-6-22 439 Placer 1/2 mi w Lake Van Norden; Tahoe N.F., Truckee Quadrangle Comment
  SEINET3160325  Penstemon deustus G. B. Grant 1906-1 M Placer about Lake Tahoe 2438 Comment
  NY600755  Penstemon gracilentus C. F. Sonne 07 1888 4675 Placer Woods on Truckee River Comment
  CAS-BOT-BC264481  Penstemon heterodoxus var. heterodoxus Peter Rubtzoff 1976-9-19 8866 Placer Meadow adjacent to the E end of Lake Van Norden 2063 Comment
  UC1063370  Penstemon heterodoxus var. heterodoxus H. S. Yates 1934-6-29 3881 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  UC480749  Penstemon heterodoxus var. heterodoxus W. C. Blasdale 1923-7-13 Placer top of Ellis Peak Lake Tahoe Region, top of Ellis Peak Comment
  UCD21906  Penstemon laetus Beth Lowe Corbin 1982-8-2 162 Placer Onion Creek campground. In fine, sandy, granitic soil along disturbed bank. Perennial herb, with blueish violet flowers. Mostly sun. South facing slope. Uncommon. 1841 Comment
  UCD83647  Penstemon laetus Albert Grigarick 2009-9-10 200 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  SEINET4691712  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2011-1 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
  SCFS1206  Penstemon newberryi E. Krimmel 2014-4-21 Placer Farthest rocky outcrop on Point Mariah Comment
  SCFS1211  Penstemon newberryi E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  UCD75952  Penstemon newberryi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5193 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
  SCFS5098  Penstemon newberryi F. Felix, Erica Krimmel 2013-5-19 23 Placer North Fork American River, 0.5 mile east Heath Falls overlook, on trail Comment
  POM147858  Penstemon newberryi subsp. newberryi Philip A. Munz 1927-7-19 1769 Placer Summit of Sierra, west of Donner Lake. 2134 Comment
  CAS-BOT-BC239282  Penstemon newberryi var. berryi Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe Comment
  CAS-BOT-BC239283  Penstemon newberryi var. berryi L. S. Smith 1928-6-1 2279 Placer Tahoe National Forest. Above Big Bend R.S. 1798 Comment
  NY627325  Penstemon newberryi var. newberryi N. H. Holmgren 1966-7-19 2907 Placer Along old US 40, 1.5 miles east of Norden Comment
  SEINET5329230 Image available Penstemon newberryi var. newberryi K. Thorne, Jody Chandler 1987-6-26 5436 Placer Truckee River; along river Comment
  JEPS59360  Penstemon roezlii Ezra Brainerd and Viola B. Baird 1915-7-29 110 Placer along Truckee River near Bear Rock Camp; Sierra Nevada Mts., Truckee River 1889 Comment
  CAS-BOT-BC239579  Penstemon rydbergii var. oreocharis Leland S. Smith 1928-6-9 2317 Placer Squaw Valley 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
  UCD43936  Penstemon rydbergii var. oreocharis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1302 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC67757  Penstemon speciosus James D. Jokerst 1986-7-13 2726 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the Summit of Needle Peak. Comment
  RSA3004  Penstemon speciosus Carl B. Wolf 1931-9-10 2418 Placer Shore of Lake Tahoe. Just NW of Chambers Lodge. 1921 Comment
  UC527359  Penstemon speciosus C. B. Wolf 1931-9-10 2418 Placer Lake Tahoe just nw Chambers Lodge; Lake Tahoe just nw of Chambers Lodge 1920 Comment
  NY661071  Penstemon speciosus C. B. Wolf 1937-9-4 9288 Placer Sierra Nevada, Auburn-Truckee Road S. side S. Fork Yuba River near Cisco 1798.3 Comment
  JEPS60102  Pentagramma triangularis subsp. triangularis W. L. Jepson 1938-4-5 18580 Placer w mi e Auburn (on Placerville rd) Comment
  SEINET11155459  Perideridia parishii subsp. latifolia A. Robinson, C. Mausert-Mooney, M. McCoy-Sulentic 2009-8-27 NV 030 -280 Placer Onion Creek, take 80 W into cali, exit Donnor pass rd. and head towards the donnor campground, keep on Donnor pass until you get to Soda Springs road and turn left. Follow Soda Springs road until you get to dirt follow for approximately 4 miles to a meadow on left side of the road which is the collections site. 1862 Comment
  CAS-BOT-BC413693  Persicaria hydropiper Catherine Best 1985-9-15 1146 Placer Sugar Pine Reservoir. About 6 miles north of Fosresthill 1158 Comment
  RSA537447  Petrorhagia dubia Barbara Ertter, David M. Thompson 1989-4-9 8187 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  UCR209748  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15439 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  OBI82266  Phacelia heterophylla subsp. virgata George K. Helmkamp, Mary Alice Barnes 2013-5-3 20487 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
  UC1208873  Phacelia heterophylla subsp. virgata G. T. Nordstrom 1934-6-22 154 Placer Mammoth Springs Tahoe National Forest, Colfax Quadrangle Comment
  SD44659  Phacelia imbricata Darley F. Howe 1951-5-1 2102 Placer 456 Comment
  UCR250361  Phacelia imbricata subsp. imbricata George K. Helmkamp, Mary Alice Barnes 2013-4-18 20369 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UC577901  Phacelia marcescens N. French 1934-5-24 362 (260) Placer north fork of North Fork of American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  UC750577  Phacelia marcescens Lewis S. Rose 1946-6-23 46189 Placer n Cisco; Rainbow 1737 Comment
  RSA0043237  Phacelia marcescens L. S. Rose 1946-6-23 46189 Placer Rainbow, north of Cisco. 1738 Comment
  UC909967  Phacelia mutabilis A. A. Heller 12890 Placer Summit Station 2121 Comment
  JEPS126292  Phacelia racemosa Steve Matson 2003-9-6 1042 Placer nSNH; Truckee river Watershed SW of Truckee; Squaw Valley; Shirley Canyon; along Granite Chief trail to PCT. Comment
  SEINET8472437  Phacelia racemosa D. W. Taylor 2004-1 19162 Placer Canyon of South Yuba River; 2 air miles W of Kingvale on I-80. along logging road from the highway to Catfish Lake just at the Nevada County line. 2088 Comment
  CHSC40977  Phacelia stebbinsii J. D. Jokerst 1984-6-20 2062 Placer Scattered on moss-covered bedrock outcrops that describe a very subtle spur ridge that descends into the canyon of Big Grizzly Cr. Several hundred feet below low mountain top that looks into both the Big Grizzly Cr and Rubicon River canyons. 1112 Comment
  UCD120688  Phacelia stebbinsii G. L. Stebbins 1977-7-9 7762 Placer Along trail from McKinistry Lake to Hell Hole Reservoir. 1706 Comment
  SACT001713  Phalaris minor D. Meyer 1983-5-15 Placer Moist roadside ditch next to a cultivated field. 19.812 Comment
  UC858324  Philadelphus lewisii Marcus E. Jones, A. M. 1882-7-3 3586 Placer Colfax Comment
  UCR218216  Philadelphus lewisii George K. Helmkamp, E. A. Helmkamp 2010-6-26 16415 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
  RSA0057761  Philadelphus lewisii N. H. French, A. E. Wieslander 1933-6-18 79 Placer Middle Fork, American River. 457 Comment
  UCD161473  Philadelphus lewisii Beecher Crampton 1955-6-15 2883 Placer Bunch Canyon. Comment
  CAS-BOT-BC253557  Phleum alpinum John H. Thomas; Hazelle A. Thomas 1956-7-21 6199 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  CHSC74048  Phleum alpinum Susi Urie 1998-8-25 98 096 B Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS75177  Phleum alpinum Gladys L. Smith 1972-8-23 3427 Placer n face Granite Chief (between junction of Pacific Trail and cirque); n face of Granite Chief 2621 Comment
  CDA12423  Phleum pratense G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8552 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CHSC74170  Phleum pratense Susi Urie 1998-8-25 98 096 A Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS71461  Phlox austromontana Gladys L. Smith 1972-6-20 3206 Placer Ward Peak 2621 Comment
  JEPS71637  Phlox gracilis Gladys L. Smith 1972-6-18 3149 Placer Alpine Meadows 2072 Comment
  CHSC81827  Phoradendron densum Lowell Ahart 2001-10-10 9336 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
  SACT001767  Phyllostachys aurea Josephine Van Ess 1977-6-9 Placer Collected across road from sierra college nature area at old homestead site. Moist area 103.0 Comment
  UCSB45346  Pilularia americana Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65. Comment
  SEINET5334497  Pinus attenuata J. Vetter 1956-4-16 s.n. Placer U.S.Hwy. 40, 20 miles east of Baxter 1219 Comment
  OBI20153  Pinus contorta subsp. murrayana David J. Keil 1978-7-23 12943 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UC1076347  Pinus contorta subsp. murrayana Herbert L. Mason 1929-10-4 5476 Placer Placerville road summit Johnson Pass Comment
  HSC1502  Pinus jeffreyi R. A. Magie 1964-6-12 104 Placer Turn off Hwy. 20 6 mi. W of Hwy. 40 junction, 12 mi. towards Lindsay Lake, Bulk Collection 42 1982 Comment
  UC1134045  Pinus monticola R. W. Lundh 1933-4-26 240 Placer 3 mi e of Cisco; Tahoe National Forest, Truckee Quadrangle 1828 Comment
  SEINET11738783  Pinus monticola H. H. Heller 1934-1 s.n. Placer Lake Tahoe Comment
  IRVC9005  Pinus ponderosa Pamela I. B. Roeber 1974-10-20 66 Placer 3 miles S of Foresthill on Auburn-Foresthill Road. Comment
  SD112167  Pinus sabiniana Darley F. Howe 1948-5-22 1819 Placer 669 Comment
  SEINET6167688  Piperia unalascensis M. J. Williams, B. Larson 1983-8-12 83- 135 -3 Placer West side of Sierra Nevada, near Jamison Creek, above Johnsville 1676 Comment
  UCD34187  Pistacia terebinthus Beecher Crampton 1977-9-30 9533 Placer Placer County, Applegate. Comment
  CAS-BOT-BC169824  Plagiobothrys A. A. Heller 1917-8-12 12877 Placer Southern Pacific Reservoir W of Emigrant Gap Comment
  HSC82625  Plagiobothrys austiniae Thomas W. Nelson, Jane P. Nelson 1979-4-11 4608 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  POM260091  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer 1 mile west of Baxter Comment
  SBBG28848  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer ca. 1 mi W of Baxter Comment
  UCD80163  Plagiobothrys fulvus var. campestris CNPS SN Foothill Team 2005-4-14 SNFN 0110 c Placer Placer Legacy, Spears/Didion Ranch. Releve situated on east side of entry road, approximately 150 meters north of entry gate off of Mears Road. 309 Comment
  RSA726775  Plagiobothrys greenei L. Ahart 2007-4-13 13637 Placer 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. 44 Comment
  SD180604  Plagiobothrys greenei Carol Witham, Jennifer Buck 2001-4-27 136 Placer 1.0 mile east along Athen Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022. Comment
  UC726333  Plagiobothrys greenei A. A. Heller 1940-4-20 15538 Placer along U.S. Highway #99E near Whitney Station s Lincoln Comment
  CDA15983  Plagiobothrys hispidulus G. F. Hrusa, J. Glazner 1999-7-17 15162 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC78006  Plagiobothrys hispidus C. F. Sonne 1888-7-21 Placer w slope Washoe Mts. Washoe Mts.; w slope Washoe Mts. Comment
  SEINET2441549  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14583 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 (Greenwood 7.5' Q.). 732 Comment
  SD241121  Plantago coronopus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18650 Placer Sacramento Valley: along CA-193, 0.1 mile west of tis junction with Sierra College Blvd. (Gold Hill 7.5'Q) 88 Comment
  SEINET8665599  Plantago erecta S. Aarstad 1979-4-1 s.n. Placer 1/2 mile E of junct. of old & new Auburn- Forest Hills Road 792 Comment
  UCR253551  Plantago lanceolata George K. Helmkamp, Amy Barnes 2014-4-23 22803 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
  CHSC10719  Plantago major Lowell Ahart 1969-7-30 Placer Near Ahart Camp, French Meadows. 1524 Comment
  SJSU9113  Platanthera dilatata var. leucostachys N. D. Addy 1962-7-8 174 Placer Hwy 89, 1.5 mi N of Fallen Leaf Lake 1920 Comment
  SEINET8530800  Plectritis ciliosa A. Beninghoff 1930-4-20 2957 Placer 6. mi S of Auburn, California Comment
  SD43650  Plectritis macrocera Darley F. Howe 1948-5-23 1905 Placer American River 305 Comment
  JEPS59066  Pleuricospora fimbriolata C. F. Sonne 1888-8-12 475 Placer Sierra Nevada Mountains, on Truckee River Truckee River; Sierra Nevada Mountains, Truckee River Comment
  JEPS86721  Pleuricospora fimbriolata Ray Butler, Bob Allard 1987-8-14 Placer Alpine Meadows, Bear Creek Trail off John Scott Road 2057 Comment
  CAS-BOT-BC261018  Poa G. L. Stebbins 1977-7-1 7736 Placer Above Middle Fork American River near Last Chance 1341 Comment
  UCR270687  Poa John F. Emmel 1998-7-9 1575 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  CAS-BOT-BC244374  Poa annua Saichi Kawahara 1969-7-6 1420 Placer W of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001778  Poa annua D. Meyer 1983-5-15 Placer Field at Southeast corner. 36.6 Comment
  SACT001783  Poa annua D. Meyer 1984-6-10 Placer 436.0 Comment
  UCD90567  Poa bolanderi R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40 (above Nayak) near Campton's store. Comment
  UCD90682  Poa bulbosa Walter H. Johnson 1961-4-4 s.n. Placer 3 miles E of Lincoln. Comment
  UCR208266  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14647 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  SACT001826  Poa canbyi Michael Baad 1983-8-27 Placer 2072.64 Comment
  UCD90845  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Blue Canyon. 1432 Comment
  UCD22228  Poa fendleriana subsp. longiligula Beth Lowe Corbin 1982-8-18 370 Placer 5/6 mile SW of The Cedars. Common. Full sun. In rocky, sandy, granitic soil of montane chaparral. Perennial forming moderately small bunches. Culms purplish. 1844 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
  CAS-BOT-BC247258  Poa palustris Beecher Crampton 1956-7-17 3727 Placer 3/4 mile west of Blue Canyon 1432 Comment
  CDA13681  Poa palustris G. F. Hrusa, J. Glazner 1997-8-3 14041 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Uncommon rhizomatous plant to 1 m. tall in lower, wetter part of meadow. 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
  CHSC75340  Poa palustris Susi Urie 1998-8-29 98 -156 Placer Lake Tahoe Basin-National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  SACT001897  Poa palustris D. Meyer 1983-8-7 Placer 3 km north of Fanny Brodge, Tahoe City along Truckee River east bank. 1879.0 Comment
  UCD91793  Poa palustris Beecher Crampton 1956-7-17 3727 Placer 0.75 mile west of Blue Canyon Store. Comment
  UCR146858  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Sierra Nevada Mountains, 0.75 mile west of Blue Canyon 1433 Comment
  SACT001902  Poa pratensis Michael Baad 1983-7-23 Placer Along Highway 267 on south side of road. 81.0 Comment
  SACT001913  Poa pratensis D. Meyer 1983-8-7 Placer 8.5 km south of Placer County line moist shady area Louisiana Pacific Private Forest enterance. 1758.0 Comment
  SACT001924  Poa pratensis D. Meyer 1984-9-23 Placer Collected beneath bridge at end of paved portion of road to Barkers Pass. Plants growing in water. 2121.0 Comment
  SACT001946  Poa pratensis D. Meyer 1984-6-23 Placer 22.2 km from I80 Frontage Road. 978.0 Comment
  CHSC69981  Poa pratensis subsp. pratensis L. P. Janeway; Eric Schroder 1997-7-17 5245 Placer Tahoe National Forest. Meadow on southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  CHSC74345  Poa pratensis subsp. pratensis Susi Urie 1998-9-1 98 -189 Placer Lake Tahoe Basin-National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 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
  SACT001959  Poa scabrella Michael Baad 1976-6-16 Placer Descending to stream crossing. Comment
  SACT001974  Poa scabrella Michael Baad 1983-5-5 Placer 3 miles southeast of Canyon Way Road descending to North Fork of the American River. 548.64 Comment
  SACT001978  Poa scabrella Michael Baad 1983-5-5 Placer North Fork of American River, south side of river. 548.64 Comment
  SACT001983  Poa scabrella Michael Baad 1983-5-5 Placer .5 mile southeast of Canyon Way Road, descending to North Fork of American River 548.64 Comment
  SACT001992  Poa scabrella Michael Baad 1977-6-1 Placer Along Beecroft Trail to North Fork, open rocky meadow. 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
  UCD41249  Poa secunda Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1705 Placer Dutch Flat area, N of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles NE of intersection with Main St. 1066 Comment
  UCD22233  Poa secunda subsp. juncifolia Rex Palmer 1979-6-21 N 410 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC242951  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  UC1132787  Poa secunda subsp. secunda B. Bolt 1934-7-3 70 Placer top of Sawtooth Ridge; Colfax Quadrangle Comment
  UCR193398  Poa secunda var. secunda George K. Helmkamp, E. A. Helmkamp 2007-5-30 12197 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  CHSC112174  Poa sierrae Dean Wm. Taylor 2013-6-19 21370 Placer Ralston Ridge (ca 25 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down frfom (North of) Forest Road 25 along the ridgecrest. 1482 Comment
  UCD43365  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 733 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44467  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1833 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
  CDA36905  Pogogyne serpylloides CDFA Staff 1999-4-28 s.n. Placer Dry Creek. 0 Comment
  CHSC96500  Pogogyne zizyphoroides Lowell Ahart; Brian Williams 2007-4-13 13650 Placer On damp granite soil, on the bottom 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
  RSA0022183  Pogogyne zizyphoroides Carl B. Wolf 1937-5-12 8616 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  UCD21968  Polemonium californicum Beth Lowe Corbin 1982-8-23 408 Placer 2 miles SW of The Cedars. In fine, sandy, organic soil. Flowers blue with white throat. Partial sun. North facing slope, 40% incline. Occasional. 2103 Comment
  CHSC74114  Polemonium occidentale Susi Urie 1998-8-13 98 -028 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  POM308702  Polemonium pulcherrimum Betty J. Jorgensen 1944-7-12 516 Placer Soda Springs Comment
  SEINET4691427  Polygala cornuta George K. Helmkamp, E. A. Helmkamp 2012-1 19216 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  SEINET5845273  Polygala cornuta C. Kegg 1983-9-17 C- 21 Placer Blue Canyon Guard Station 1585 Comment
  POM86556  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax. Comment
  UC1980598  Polygonum C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-3 2312 Placer Laing Rd. (Frontage Rd to Rancho Sierra Inn) just S of I-80 at Emigrant Gap Exit Comment
  JEPS59369  Polygonum amphibium var. stipulaceum Ezra Brainerd and Viola B. Baird 1915-7-23 118 Placer pool near Lake Tahoe; Green Pt. 1920 Comment
  CAS-BOT-BC413936  Polygonum aviculare subsp. aviculare John Thomas Howell 1943-7-25 18820 Placer West side of Donner Pass near Norden 2133 Comment
  CAS-BOT-BC414308  Polygonum aviculare subsp. neglectum A. A. Heller 1917-8-12 12876 Placer Southern Pacific reservoir west of Emigrant Gap Comment
  POM104622  Polygonum bistortoides Marcus E. Jones 1903-6-28 s.n. Placer Emigrant Gap Comment
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Sep 7 2010
  JEPS14355  Polygonum bolanderi Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-19 3853 Placer peninsula jutting out into North Fork of the American River (below Cape Horn, 1/2 mi above bridge on Colfax-Iowa Hill road) 381 Comment
  CAS-BOT-BC414389  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer Near Sheridan 38 Comment
  UCD42845  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 211 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC73066  Polygonum douglasii subsp. douglasii L. P. Janeway 1998-8-6 5986 Placer North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Lake Tahoe Basin Management Unit - National Forest meadow 216, 218, 219, 222. 1938 Comment
  RSA104567  Polygonum kelloggii Marcus E. Jones 1882-7-11 s.n. Placer Emigrant Gap Comment
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Sep 7 2010
  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
  UC148975  Polygonum minimum H. M. Hall July 1910 8703 Placer Cisco 1767 Comment
  CAS-BOT-BC419862  Polygonum polygaloides subsp. confertiflorum M. S. Jussel 1928-6-25 s.n. Placer Fish Hatchery Comment
  JEPS126278  Polygonum polygaloides subsp. kelloggii Steve Matson 2002-7-14 570 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267; just west of Northstar Golf Course. Comment
  CAS-BOT-BC420031  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1925-6-30 1268 Placer Near Eagle Falls, Emerald Bay, Lake Tahoe. Comment
  JEPS72996  Polygonum polygaloides subsp. kelloggii Gladys L. Smith 1972-6-18 3157 C Placer Scott Peak; foot 2072 Comment
  UC185990  Polygonum shastense C. F. Sonne 1885-8-23 Placer Tinker's Knob 2895 Comment
  UCD21933  Polygonum shastense Beth Lowe Corbin 1982-8-4 237 Placer 1 1/2 mile NNW of Onion Creek campground. In rocky, fine, sandy soil on subalpine talus slope. Spreading perennial. White calyx. East facing slope, 40% incline. Full sun. Uncommon. 2286 Comment
  RSA689954  Polypodium californicum Elizabeth Flint 1930-1 101 Placer American River bridge, near Auburn 457 Comment
  CAS-BOT-BC232991  Polypogon australis Saichi Kawahara 1969-7-6 1449 Placer E bank of Indian Creek, Mel Henderson Ranch 987 Comment
  SACT001574  Polypogon australis D. Meyer 1984-8-4 Placer moist shady roadside 1358.0 Comment
  UCD90503  Polypogon australis Beecher Crampton 1955-6-15 2891 Placer junction of Iowa Hill, Forest Hill road, 2.5 miles north Yankee Jim. Comment
  UC790965  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer near Auburn (bank of branch Rubicon River); bank of branch Rubicon River Comment
  SACT002036  Polypogon monspeliensis Josephine Van Ess 1975-11-5 Placer Collected about 1 mile east of east end of Annabelle Ave at north end of pond. Wet area. 103.0 Comment
  UCR193279  Polystichum imbricans George K. Helmkamp, E. A. Helmkamp 2007-5-30 12186 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
  UC42160  Polystichum imbricans W. H. Brewer 1863-1 2167 Placer Squaw Valley Pass 2438 Comment
  SBBG117235  Populus tremuloides B. Crampton 1961-9-27 6002 Placer US Hwy 40, 1 mi W of Cisco Grove, Yuba River Comment
  CAS-BOT-BC105580  Populus trichocarpa Geo. B. Grant 1906-7-15 7032 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  OBI20169  Populus trichocarpa David J. Keil 1978-7-23 12934 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  POM212165  Populus trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
  UC527363  Populus trichocarpa C. B. Wolf 1931-9-11 2422 Placer near creek 7 mi below summit Donner Pass (w slope of Sierra Nevada); , below summit Donner Pass 1828 Comment
  UCD22302  Populus trichocarpa Rex Palmer 1979-7-9 N 438 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET10972537  Porterella carnosula F. W. Hunnewell 1921-7-17 Hunnewell 8087 Placer Comment
  UC1099844  Potamogeton natans Malcolm A. Nobs, S. Galen Smith 1949-8-21 1516 Placer between Sandy Beach and Agate Bay (n end of Lake Tahoe); Lake Tahoe Comment
  CDA859  Potamogeton richardsonii R. Talbert 1959-8-14 2927 Placer Lake Tahoe. 0 Comment
  UC169986  Potentilla bruceae Miss Helen D. Geis 1912-6 37 c Placer Deer Park Comment
  CAS-BOT-BC141664  Potentilla flabellifolia Elizabeth Parsons Hawver 1910-7-7 s.n. Placer Meadows of Madden Creek, Lake Tahoe region Comment
  JEPS127452  Potentilla flabellifolia Steve Matson 2004-8-1 1091 Placer Tahoe Basin west shore; Blackwood Canyon; 1/2 mile SE of Barker Pass. Comment
  POM36827  Potentilla flabellifolia C. F. Sonne 1897-7-18 s.n. Placer Near Tinkers Knob 2439 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
  UCR208599  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14627 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  POM275177  Potentilla glandulosa var. nevadensis Lyman D. Benson 1942-7-2 11246 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  POM275172  Potentilla glandulosa var. nevadensis Lyman D. Benson 1933-6-26 4542 Placer 4 miles W of Donner Pass, Sierra Nevada, Bear River watershed 1982 Comment
  UCD113831  Potentilla gracilis Frederica Bowcutt 1994-7-22 1950 Placer Sierra Nevada Mtns, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  SEINET11261737  Potentilla gracilis var. fastigiata George Helmkamp, E. A. Helmkamp 2011-7-26 17895 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, .9 mile north of its junction with CA Hwy 20, .85 mi. NE (231/4) of emigrant Gap and N of I-80 (Blue canyon 7.5' Q); 0 1434 Comment
  UCD42913  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 281 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET6637123  Potentilla gracilis var. fastigiata L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  UC1128227  Potentilla gracilis var. flabelliformis H. S. Yates 1934-6-29 3899 Placer near Tahoe City; Tahoe National Forest, Truckee Quad. Comment
  SBBG123118  Poteridium annuum G. K. Helmkamp with E. A. Helmkamp 2007-9-14 12959 Placer Mosquito Ridge Rd 0.4 mi E of Foresthill 942 Comment
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Mar 30 2014
  SCFS1050  Primula suffrutescens E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  UCD125340  Prunella vulgaris F. A. MacFadden 1934-6-7 s.n. Placer Canyon Creek. Comment
  JEPS127463  Prunella vulgaris var. lanceolata Steve Matson 1997-7-9 131 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  RSA424599A  Prunella vulgaris var. lanceolata Wm. Martin 1971-9-10 20218 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  UCD22026  Prunella vulgaris var. lanceolata Beth Lowe Corbin 1982-8-5 250 Placer Onion Creek campground. In wet soil along stream's edge. Corolla upper lip purplish, lower lip white tinged with pink. Weak stems. Mostly sun. SW facing slope, 15% incline. Occasional. 1841 Comment
  LA209079  Prunus emarginata A. A. Heller; 1917-8-15 12940 Placer Lincoln Hwy near Yuba Pass, near the upper limit of the Yellow pine belt 1828 Comment
  UC859381  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer below Cisco (near the Yuba River) 1676 Comment
  UCD113184  Prunus emarginata Beecher Crampton 1975-9-9 9270 Placer Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. Along Blue Canyon Creek. 1524 Comment
  UCD38503  Prunus emarginata Beecher Crampton 1955-7-13 3008 Placer Blue canyon. 1432 Comment
  UC1128496  Prunus subcordata J. E. Sowder, R. W. Lundh 1933-4-10 25 Placer North East Colfax Hill 853 Comment
  UCD41459  Pseudobahia heermannii Ellen Dean; Davis Botanical Society 2003-5-17 1757 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
  OBI49846  Pseudobahia heermannii Barbara Ertter, David Thompsom 1989-4-9 8195 Placer Halfway down rd to Lake Clementine (=North Fork Lake) NE of Auburn; T13N R9e sec 31 305 Comment
  CHSC81755  Pseudognaphalium thermale Lowell Ahart 2001-10-10 9338 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  UC1118465  Pseudognaphalium thermale G. F. Burks 1934-9-14 44 Placer Truckee River Tahoe National Forest, Truckee Quad., Truckee River 1828 Comment
  UC1351095  Pseudotsuga menziesii E. Fritz 1936-1-28 8209 Placer Comment
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Jul 9 2015
  SEINET5334817  Pseudotsuga menziesii var. menziesii T. Kerstetter 1956-4-16 s.n. Placer U.S. hwy. 40, 1 mi. west of Baxter 1067 Comment
  JEPS111247  Psilocarphus brevissimus var. brevissimus Steve Matson 2005-6-11 1259 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3016 N, 120.1324 W; Elevation 5835 ft. 1778 Comment
  CAS-BOT-BC361844  Psilocarphus oregonus John Thomas Howell; Gordon H. True 1971-5-26 47635 Placer Northern limits of Lincoln 48 Comment
  UC192995  Ptelea crenulata C. F. Sonne 1891-5-17 Placer Auburn Comment
  UCR231829  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16769 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  UCR240951  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2012-9-25 19903 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
  UCD21920  Pterospora andromedea Beth Lowe Corbin 1982-8-23 407 Placer 2 miles WSW of The Cedars. In deep Conifer duff in logged White Fir forest. Stem pinkish. Flowers creme white. Mostly shade. North facing slope, 40% incline. Rare. 2072 Comment
  UCD83592  Pterospora andromedea Albert Grigarick 2009-8-7 161 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2021 Comment
  CAS-BOT-BC460525  Pterospora andromedea Ira L. Wiggins 1933-8-21 6785 Placer Shores of Lake Tahoe, near Tahoma Comment
  SEINET7236749  Pterospora andromedea P. B. Kennedy, S. B. Doten 1901-8-15 404 Placer Bearman's Camp, 6 miles from French Meadows. Comment
  CDA34331  Pueraria montana W. J. Ferlatte, D. Mitani, M. Keffer 1977-9-22 1901 Placer private property, 2 miles NW of Weimar off Placer Hills Rd. 609 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
  UCD34554  Purshia tridentata Beecher Crampton 1985-6-23 9999 Placer North Shore Lake Tahoe, Stateline Road. Comment
  JEPS59378  Pyrola dentata Ezra Brainerd and Viola B. Baird 1915-7-21 126 Placer Bear Rock along trail to Lake Tahoe (Sierra Nevada Mountains) 1889 Comment
  UCD47001  Quercus X morehus Enid A. Larson; D. Giuliani 1970-11-23 s.n. Placer (Q. wislizenii A. DC. X Q. kelloggii Newb.). Lower Grays Meadow, Independence Creek, southwest of Independence, Inyo County, California. Comment
  UC1135496  Quercus berberidifolia N. French 1933-8-15 92 Placer North Fork American River, above Sheridan's Placerville National Forest, Placerville Quad. 548 Comment
  SACT002614  Quercus chrysolepis Michael Baad 1976-8-4 Placer Collected on shores of lakes and northwest facing slope of Mildred Ridge Comment
  SACT002618  Quercus chrysolepis Michael Baad 1976-6-4 Placer 3.7 miles east of Forest Hill on road to French Meadows. Serpentine outcrop north side of road. Comment
  SACT002623  Quercus chrysolepis J. Severaid 1959-8-14 Placer Old Foresthill Road Comment
  SJSU10143  Quercus chrysolepis A. W. Jacobs 1936-9-4 Placer E side of narrow gulch 1 mi NE of Colfax 762 Comment
  UCR190666  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2007-9-14 12962 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  SACT002126  Quercus douglasii Josephine Van Ess 1978-9-8 Placer collected near top of ridge; dry hillside; small tree, atypical leaves with spring lobes, typical rough gray bark 176.8 Comment
  UCD45926  Quercus durata var. durata G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, 1952-7-20 5130 Placer 9 miles northeast of Forest Hill on road to Iowa Hill. 1127 Comment
  SACT002144  Quercus kelloggii 1980-3-12 Placer collected about 1/3 way down to the river, wooded slope 335.4 Comment
  SEINET10431778  Quercus kelloggii J. Solaegui 1977-3-19 s.n. Placer 1 mile S of Auburn along Hwy 49. 427 Comment
  SACT002661  Quercus lobata Josephine Van Ess 1977-11-4 Placer Collected downstream from bridge on HIghway 49. Large tree near river. 365.8 Comment
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Nov 20 2014
  SACT002660  Quercus lobata Josephine Van Ess 1976-8-11 Placer Collected near Coon Creek Cattle. Dry streambank. Comment
  SACT002708  Quercus vacciniifolia Michael Baad 1977-6-1 Placer Collected on trailhead. 5 km north of Foresthill Divide Road. 2 km north of Skunk Spring. 1341.12 Comment
  UC1135818  Quercus vacciniifolia G. T. Nordstrom 1934-6-18 104 Placer 0.25 mi se top of Texas Hill; Tahoe National Forest, Colfax Quad. 1615 Comment
  UCD47522  Quercus wislizeni Diane de Polo 1964-4-25 26 Placer 7 miles northwest of Auburn. 365 Comment
  CDA19799  Quercus wislizeni K. Kosta, C. Blomquist November 2001 s.n. Placer Northern California; No location data provided. 0 Comment
  SEINET3246067  Quercus wislizeni var. wislizeni G. K. Helmkamp, E. A. Helmkamp 2007-1 11710 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  JEPS86475  Raillardella argentea L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6553 Placer ca 5 mi se Donner Lake (e of Tinker Knob, Sherman Chickering's Soda springs holdings) 2621 Comment
  UC827590  Ranunculus alismifolius var. alismellus A. A. Heller 1917-6-17 12712 Placer below Cisco; Yuba River 1676 Comment
  CAS-BOT-BC379431  Ranunculus alismifolius var. hartwegii Gordon H. True 1974-6-20 7749 Placer lower slopes and flats at east end of Castle Peak ridge, ca. 0.5 mi north of Summit Lake 2377 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
  SD241161  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mile west of Industrial Ave. (Roseville 7.5'Q) 41 Comment
  RSA145542  Ranunculus flammula var. ovalis E. R. Blakley 1960-9-3 3814 Placer Kings Beach, Lake Tahoe. 1904 Comment
  CHSC79351  Ranunculus muricatus Beecher 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
  SEINET9303908  Ranunculus occidentalis Unknown 1999-7-17 15152 Placer Martis Valley Comment
  UCD22189  Ranunculus occidentalis Rex Palmer 1979-6-19 N 226 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD80701  Ranunculus occidentalis CNPS SN Foothill Team 2005-4-11 SNFN 0103 d Placer Placer Legacy, Spears/Didion Ranch (Spear's Ranch), above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  UCR250359  Ranunculus occidentalis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20371 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCR257018  Ranunculus occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 22788 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
  UCSB22651  Ranunculus occidentalis Orr, K. 1966-4-5 Placer Along Goldrun Rd., 1.2 mile northeast of Interstate 80, Sierra Nevada foothills 1066 Comment
  RSA100538  Ranunculus occidentalis var. eisenii Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SD114130  Ranunculus occidentalis var. occidentalis none given 1948-5-21 1931 Placer Placer Co. 456 Comment
  CDA16988  Ranunculus orthorhynchus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16041 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCD42849  Ranunculus populago C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 215 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC59531  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles northwest of Tahoe City 1889 Comment
  UC662428  Rhamnus alnifolia James B. Roof, Irja Knight 1941-9-5 Placer 8 mi s Truckee (on State Highway 89, Silver Creek, a perennial tributary of the Truckee River); Truckee River, Silver Creek 1828 Comment
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Sep 3 2008
  POM85013  Rhamnus purshiana Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  RSA7756  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1928-8-22 3433 Placer 1 mile W of Emigrant Gap. 1637 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
  UCR233239  Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2011-7-9 17693 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  CAS-BOT-BC58200  Rhododendron columbianum L. S. Smith 1925-8-14 1706 Placer Robertson Flat pasture. Tahoe forest. 1981 Comment
  JEPS127487  Ribes aureum var. aureum Steve Matson 2003-5-25 783 Placer nSNH: East ridge of Leavitt Peak, between summit and Latopie Lake. Comment
  CAS-BOT-BC108691  Ribes cereum Posey; Bethel 1920-6-5 s.n. Placer Tahoe. Comment
  UCD102139  Ribes cereum Christine Patino 1976-5-31 29 Placer 1 mile northeast of Tahoe City near Highway 28 on Lake Forest Road. Comment
  JEPS86495  Ribes montigenum L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6578 Placer ca. 5 mi se Donner Lake (near Frog Lake, in cirque below 7889 ft. rise, ca. 1.5 mi se of Chickering houses at Soda Springs (old resort)); Sherman Chickering's Soda Springs holdings 2286 Comment
  CAS-BOT-BC219174  Ribes nevadense A. A. Heller 1909-7-16 9832 Placer Summit 2133 Comment
  UC921847  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  UCSB16431  Ribes nevadense Breedlove, Dennis 1962-6-13 Placer Truckee River; 7.0 miles south of Truckee; Sierra Nevada 1828 Comment
  UC147592  Ribes roezlii Harriet A. Walker 1908-6-24 1296 Placer Blue Canyon 1432 Comment
  UC974960  Ribes roezlii Alice Eastwood 1922-4-6 11119 Placer 3 mi above Colfax (near the road) Comment
  UCD22360  Ribes roezlii Rex Palmer 1979-5-26 N 12 Placer Headwaters basin area of the North Fork of the American River. 2011 Comment
  CAS-BOT-BC186200  Ribes roezlii var. roezlii Frances I. Price 1919-8-1 s.n. Placer Fallen Leaf Lake 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
  UCR200876  Ribes roezlii var. roezlii George K. Helmkamp, E. A. Helmkamp 2008-9-15 14109 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  CAS-BOT-BC168771  Ribes viscosissimum Margaret Williams 1974-8-8 74 -P1-14 Placer Murphy's Meadow, 5 miles southeast of Hirschdale - Sierra Nevada 2316 Comment
  UC35869  Rigiopappus leptocladus H. N. Bolander 1865-1 4569 Placer Newcastle Comment
  UC90678  Rigiopappus leptocladus Mrs. K. Curran May 1889 Placer Auburn Comment
  POM31766  Rigiopappus leptocladus Marcus E. Jones 1889-7-3 s.n. Placer Dutch...[label difficult to read]. Comment
  UCR232688  Robinia pseudoacacia George K. Helmkamp, E. A. Helmkamp 2011-9-30 18343 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
  UCR259870  Robinia pseudoacacia George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22468 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  CAS-BOT-BC74388  Rorippa curvipes Catherine Best 1981-8-2 s.n. Placer Sierra Nevada. French Meadow boat ramp. Comment
  CAS-BOT-BC146432  Rosa bridgesii G. K. Helmkamp; Amy Barnes 2009-7-12 15176 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  CAS-BOT-BC147024  Rosa woodsii subsp. ultramontana Geo. B. Grant 1906-7-15 6991 Placer Tahoe Tavern, Lake Tahoe Comment
  JEPS72264  Rosa woodsii var. ultramontana Gladys L. Smith, Betsy and Norman Wilson 1972-7-6 3285 Placer Squaw Creek Squaw Valley 2438 Comment
  UCD17698  Rubus armeniacus H. Olmo; T. S. Mallah 1953-3-24 53 22 Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. 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
  UC112834  Rubus parviflorus Katharine Brandegee 1908-6 Placer near Gold Run; near Gold Run Comment
  SEINET11918653  Rubus parviflorus C. F. Sonne 1884-8-10 73 Placer Trucker River Comment
  CAS-BOT-BC363204  Rudbeckia occidentalis Brandegee No date on label s.n. Placer Blue Canon [Canyon] Comment
  CAS-BOT-BC110490  Rumex Saichi Kawahara 1969-5-24 849 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek. 585 Comment
  CAS-BOT-BC422035  Rumex acetosella John H. Thomas; Hazelle A. Thomas 1956-7-21 6219 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CDA2876  Rumex acetosella G. M. Cole 1928-5-2 Placer Near Auburn. 0 Comment
  SEINET3828372  Rumex crispus George K. Helmcamp, E. A. Helmkamp 2011-1 18483 Placer Sacramento Valley: North Brewer Road, 0.2 mile north of Nicolaus Road, 8.7 mi. west of Lincoln (Sheridan 7.5') 29 Comment
  UCR250080  Rumex crispus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20499 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  CAS-BOT-BC433649  Rumex obtusifolius W. R. Dudley 1909-8-12 s.n. Placer Canon [Canyon] Creek Comment
  CHSC72883  Rumex salicifolius var. triangulivalvis L. P. Janeway; Eric Schroder 1998-7-13 5748 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UC1191321  Rumex salicifolius var. triangulivalvis Malcolm A. Nobs and S. Galen Smith 1949-8-21 1504 Placer n end Lake Tahoe (between sandy beach and Agate Bay) Comment
  UCD21928  Rumex triangulivalvis Beth Lowe Corbin 1982-8-11 324 Placer 1 1/2 mile WSW of Onion Creek campground. In fine, sandy soil in logged White Fir forest. Perennial, forming a loose clump. Calyx reddish. Full sun. SE facing slope, 20% incline. Uncommon. 2011 Comment
  UCD33736  Rumex triangulivalvis Beecher Crampton 1972-7-26 8847 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD43380  Sagina apetala C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 748 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC935796  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 695 Placer Highway 40 s side Roseville Comment
  CAS-BOT-BC132674  Salix John H. Thomas; Hazelle A. Thomas 1956-7-21 6127 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD22306  Salix Beth Lowe Corbin 1982-8-9 278 Placer 1/3 mile SW of Onion Creek campground. Shrub 13' high. Bark pale, somewhat flaky. Full sun. South facing slope, 15% incline. Uncommon. 1859 Comment
  CAS-BOT-BC103557  Salix eastwoodiae W. R. Dudley 1900-6-14 5105 Placer Valley northeast of Lake Mary, near Summit Comment
  CAS-BOT-BC103609  Salix eastwoodiae W. R. Dudley 1900-6-15 5123 Placer on flat north east of Lake Mary Comment
  CAS-BOT-BC103612  Salix eastwoodiae W. R. Dudley 1900-6-14 5045 Placer About half way up loop road from Donner Lake Comment
  CAS-BOT-BC103616  Salix eastwoodiae W. R. Dudley 1900-6-14 5047 Placer Below the upper dam at Donner Lake Comment
  UCD43825  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1191 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44559  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1925 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA129736  Salix geyeriana var. argentea H. S. Yates 1934-6-29 3917 Placer Near Tahoe City. 1921 Comment
  UCD22311  Salix jepsonii Rex Palmer 1979-6-20 N 314 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA16980  Salix laevigata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16033 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCD80748  Salix laevigata CNPS SN Foothill Team 2005-4-14 SNFN 0109 Placer Placer Legacy, Didion Ranch, along south fork of Coon Creek, accessed from east end of study area off of Mears Road. Releve situated on north bank of creek approximately 50 meters east of access road. 224 Comment
  CAS-BOT-BC125291  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 2 Placer Tahoe National Forest, French Meadows 1828 Comment
  CAS-BOT-BC125300  Salix lasiandra var. lasiandra W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CHSC13651  Salix lasiolepis E. L. Smith 1971-7-17 990 Placer At King's Beach. 1903 Comment
  CAS-BOT-BC107383  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 s.n. Placer Colfax Comment
  CAS-BOT-BC124755  Salix lemmonii W. R. Dudley 1900-6-1 5533 Placer near Madden's Creek above McKinneys Cr. Comment
  CAS-BOT-BC124761  Salix lemmonii A. A. Heller 1917-6-17 12688 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124784  Salix lemmonii W. R. Dudley 1900-6-14 5111 Placer Valley northwest of Lake Mary, near Summit Comment
  CHSC13660  Salix lemmonii E. L. Smith 1971-4-17 982 Placer At Yuba Gap ca. 7 km e of Emigrant Gap. 1770 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
  CAS-BOT-BC124758  Salix lemmonii L. S. Smith 1931-6-12 9 Placer Tahoe National Forest, Babbit Springs along road to Babbit L.O. 2133 Comment
  CAS-BOT-BC125098  Salix ligulifolia Alice Eastwood 1912-6-15 386 Placer Deer Park, Lake Tahoe region Comment
  CAS-BOT-BC128233  Salix lucida W. R. Dudley 1900-6-15 5132 Placer Between Summit and Soda Springs Station, Nevada-Placer Co. line. Comment
  CDA25006  Salix lucida subsp. lasiandra J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  POM362680  Salix lucida subsp. lasiandra Glenn A. Gorelick 1965-8-21 s.n. Placer Emigrant Gap. Comment
  SEINET2470971  Salix lucida subsp. lasiandra K. Christie 2010-7-22 1912 Placer Lake Tahoe Basin Management Unit (USFS); ca. 1.0 mi. southeast of Martis Peak. 2392 Comment
  UCR120232  Salix lucida subsp. lasiandra George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5066 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  CAS-BOT-BC129079  Salix scouleriana W. R. Dudley 1900-6-1 5285 Placer West of Independence Hotel Comment
  CHSC13663  Salix scouleriana E. L. Smith 1971-4-29 954 A Placer At Whitmore Maintenance Station ca. 3 mi ne of Baxter. 1371 Comment
  CHSC9580  Salix scouleriana E. L. Smith 1971-4-29 954 Placer At Whitmore Maintenance Station ca. 3 mi ne of Baxter. 1371 Comment
  UC1135094  Salix scouleriana N. French 1934-5-31 380 Placer 1/2 mi. e. Texas Hill; Tahoe Nat'l Forest, Colfax Quad. Comment
  JEPS111120  Sambucus racemosa var. microbotrys Steve Matson 2005-7-30 1427 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), east side of Emigrant Pass (below snowfield); 39.1902 N, 120.2763 W; elevation 8,600 ft. 2621 Comment
  JEPS72387  Sambucus racemosa var. microbotrys Gladys L. Smith 1972-6-20 3248 Placer steep slope just below Ward Peak summit 2628 Comment
  CAS-BOT-BC235189  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  JEPS127549  Sanguisorba officinalis Steve Matson 2000-7-6 467 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, along east Martis Creek. Comment
  JEPS127560  Sanguisorba officinalis Steve Matson 2002-7-14 569 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 300 m south of Hwy 267, 250 m east of Martis Creek. TMT trail. Comment
  SD243200  Sanguisorba officinalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16640 Placer Northern Sierra Nevada Mountains: Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road. 1566 Comment
  UCR232633  Sanguisorba officinalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16640 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  SD239555  Sanicula bipinnata 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 (Georgetown 7.5'Q) 779 Comment
  CAS-BOT-BC223280  Sanicula bipinnatifida Alice Eastwood 1912-6-28 497 Placer Colfax 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
  UCR250291  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
  JEPS82066  Sanicula graveolens Gladys L. Smith 1982-6-24 7430 Placer Goose Meadow 1828 Comment
  POM133547  Sanicula graveolens C. F. Sonne 1895-06 4112 Placer Road to Lake Tahoe Comment
  UC585214  Saxifraga nidifica var. nidifica E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1585 Placer about 3 mi e Emigrant Gap (between main road and Nevada City Road) 1767 Comment
  JEPS59418  Saxifraga oregana Ezra Brainerd and Viola B. Baird 1915-7-4 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1889 Comment
  UC114879  Saxifraga tolmiei C. F. Sonne 1892-8 Placer Tinker's Knob; Sierra Nevada Mountains, Tinker's Knob Comment
  SD240826  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2010-4-17 15876 Placer Foothills, Northern Sierra Nevada Mountains: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 313 Comment
  UCD128066  Scandix pecten-veneris Lynn Gould 1962-4-14 39 Placer 0.5 mile northwest of Rocklin. Comment
  RSA122656A  Scirpus microcarpus H. S. Yates 1936-8-9 6000 Placer Near Brockway 1921 Comment
  CDA19577  Scribneria bolanderi M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 231 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
  UC1748299  Scutellaria californica James D. Jokerst 1988-6-6 3008 Placer Long Creek Hydro Project, ca 1 mi W of Ramsey Crossing, N of Long Canyon Creek Comment
  UCD40932  Sedella pumila Sook Hong 1989-5-20 14 Placer Placer Redwood Grove. 548 Comment
  CAS-BOT-BC61453  Sedum lanceolatum John H. Thomas; Hazelle A. Thomas 1956-7-21 6131 Placer Sierra Nevada, Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  JEPS111315  Sedum lanceolatum Steve Matson 2005-7-30 1425 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), north side of ridge high point facing large rocky pinnacle (south of Emigrant Pass) 39.1885 N, 120.2775 W; elevation 8,700 ft. 2651 Comment
  CAS-BOT-BC64212  Sedum obtusatum subsp. obtusatum Mrs. C. E. Miller 1916-8-1 s.n. Placer Emigrant Gap Comment
  UC1127141  Sedum obtusatum subsp. obtusatum N. French 1934-6-22 442 Placer Serena Lake Truckee Quad., Tahoe National Forest, Serena Lake Comment
  SEINET3828329  Sedum spathulifolium George K. Helmcamp, E. A. Helmkamp 2012-1 18923 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) of Clementine Dam on the American River. (Auburn 7.5) 396 Comment
  CAS-BOT-BC62211  Selaginella watsonii Grant 1906-8-2 7144 Placer Glen Alpine, Lake Tahoe Comment
  CHSC73934  Senecio hydrophilus Susi Urie 1998-8-25 98 -089 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-BC363907  Senecio integerrimus var. exaltatus Alice Eastwood 1912-6-15 462 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC364031  Senecio integerrimus var. major A. A. Heller 1917-6-17 12691 Placer Near the Yuba River below Cisco 1676 Comment
  UCD159405  Senecio scorzonella D. S. Park 2010-7-7 176 Placer Along N Lake Blvd. Bike trail near Lake Tahoe. Recent Fire. 1900 Comment
  CAS-BOT-BC249054  Senecio triangularis George K. Helmkamp; E. A. Helmkamp 2010-8-14 16795 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
  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
  CAS-BOT-BC364383  Senecio triangularis C. F. Sonne 1884-7-20 185 Placer Sierra Nevada Mts. Truckee Comment
  CAS-BOT-BC364386  Senecio triangularis L. S. Smith 1927-8-5 2153 Placer Tahoe National Forest. Robertson Flat R.S. fenced pasture Comment
  RSA473089  Senecio triangularis Fay A. MacFadden 1934-7-14 12779 Placer Canyon Creek - Dutch Hat. Comment
  UC832211  Sericocarpus oregonensis subsp. californicus Ira L. Wiggins 1933-8-21 6789 Placer near, shores of Lake Tahoe Tahoma; Lake Tahoe Comment
  UC1999910  Sericocarpus oregonensis subsp. californicus J. C. Semple, B. Semple 1995-9-20 10477 Placer Dutch Flats, Main Street; 1.3 km NE of Post Office. Comment
  UCD147094  Sesbania punicea Chuck Hughes 2013-5-14 378 Placer Southern margin of Camp Far West Reservoir. 95 Comment
  HSC33342  Setaria faberi K. Stark, William J. Ferlatte 1974-11-11 1677 Placer Near Penryn on Taylor Rd. 0.5 mi. E of Sicley Rd. 137 Comment
  SACT002080  Setaria faberi D. Meyer 1984-8-17 Placer Across road from Old Oak Ranch. 103.0 Comment
  UCD92677  Setaria faberi G. Douglas Barbe 1974-11-26 1984 Placer southeast corner of Newcastle Road and Brenner Road. Newcastle. Comment
  SACT002096  Setaria viridis Josephine Van Ess 1976-8-16 Placer Collected in orchard west of Sierra College Blvd on hillside .75 mile south of Rocklin Road. Orchard weed, well irrigated orchard. 182.9 Comment
  UCD92827  Setaria viridis var. major G. Douglas Barbe 1974-11-26 1985 Placer along Barton Road at Eureka Road, northwest corner, east of Roseville. Comment
  SCFS1233  Sidalcea E. Krimmel 2013-1 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Streamside where trail meets water. Comment
  CHSC79772  Sidalcea glaucescens G. F. Hrusa; J. Glazner 1999-7-18 15189 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434 N, 07418 E. 1905 Comment
  JEPS46167  Sidalcea glaucescens L. S. Smith 1928-6-9 2294 Placer s slope Squaw Valley Tahoe Forest, s slope Squaw Valley 1828 Comment
  UC149004  Sidalcea glaucescens H. M. Hall 1910-7-1 8732 Placer Cisco Sierra Nevada Mountains, Cisco 1828 Comment
  OBI2962  Sidalcea glaucescens Lewis S. Rose 1968-7-20 68187 Placer 2 mi E of Cisco Grove 1768 Comment
  POM282876  Sidalcea glaucescens Lyman Benson 1933-6-26 4545 Placer 4 miles west of Donner Pass, Sierra Nevada, Bear River Watershed, Canadian zone, US 40. 1982 Comment
  JEPS50059  Sidalcea hartwegii W. H. Shockley 1879-1 Placer Auburn Comment
  UCD116793  Sidalcea malviflora Ted Niehaus 1959-4-19 69 Placer Yankee Jims diggins, Shirttail Road. Comment
  UCR241354  Sidalcea malviflora subsp. asprella George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19821 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
  UCD22000  Sidalcea oregana Beth Lowe Corbin 1982-8-2 159 Placer Onion Creek campground. In cut away bank of fine, sandy, granitic soil. Perennial herb, with pink- rose flowers, and semi-spreading stems. Mostly sun. South facing slope. Uncommon. 1841 Comment
  CDA13684  Sidalcea oregana subsp. oregana G. F. Hrusa, J. Glazner 1997-8-3 14044 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC9527  Sidalcea oregana subsp. spicata J. F. Goodwin 1971-7-11 167 Placer 20 ft. south of Hwy. 267 in open meadow, 7.3 mi. east of Truckee. 2103 Comment
  RSA448230  Sidalcea oregana subsp. spicata George B. Grant 1906-6-25 7072 Placer Lake Tahoe. Comment
  SBBG117216  Sidalcea oregana subsp. spicata B. Crampton 1972-7-26 8838 Placer Carpenter Flat, E of Emigrant Gap 1615 Comment
  UCD43225  Sidalcea oregana subsp. spicata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 594 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD22168  Silene bernardina Beth Lowe Corbin 1982-8-4 224 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 15% inclination. Uncommon. Mostly sun. Montane chaparral in rocky, fine, sandy soil. Perennial herb, flowers white. Comment
  UC465606  Silene californica Katharine Brandegee July 1908 Placer Alta Comment
  UCR250344  Silene californica George K. Helmkamp, Mary Alice Barnes 2013-4-18 20365 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
  RSA782377  Silene gallica George K. Helmkamp, E. A. Helmkamp 2010-4-23 15903 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  SD237401  Silene gallica G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15903 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Road, 4.5 miles south of junction with CA-49 at Pilot Hill (Pilot Hill 7.5'Q) 287 Comment
  UCD98668  Silene gallica M. H. Mills 1996-4-12 143 Placer along roadside at 5830 Walden lane, Loomis. 180 Comment
  SD247390  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
  UCD150316  Silene invisa James A. Neilson Jr. 1970-7-22 1626 Placer Tahoe Basin, Lower Ward Creek, Section 15. 2011 Comment
  CHSC10828  Silene lemmonii Lowell Ahart 1969-7-30 Placer Handy Camp, French Meadows. 1524 Comment
  UC767049  Silene occidentalis subsp. occidentalis R. F. Hoover 1938-7-30 3712 Placer Cisco Comment
  UCD150489  Sisymbrium altissimum James A. Neilson Jr. 1971-7-25 2282 Placer Tahoe Basin, 1/2 mile north of Tahoma. 1920 Comment
  SD240950  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2010-4-17 15875 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
  SEINET8888155  Sisyrinchium halophilum P. A. Lehenbauer 1932-6-26 s.n. Placer Lake shore, Tahoe City Comment
  UCR152283  Sitanion Beecher Crampton 1957-5-7 3979 Placer 3.2 mi N of city of Roseville, along railroad and US Hwy 99E Comment
  SACT002214  Sitanion hystrix D. Meyer 1983-7-24 Placer North of Interstate 80, roadside. 909.0 Comment
  SACT002218  Sitanion hystrix D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT002223  Sitanion hystrix D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT002256  Sitanion jubatum Michael Baad 1976-6-3 Placer Descending towards Middle Fork on road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. 701.0 Comment
  SACT002260  Sitanion jubatum Michael Baad 1976-8-4 Placer Collected on banks amoung rocks in gravel beside creek. White fir forest with openings. 1975.0 Comment
  UC844609  Smilacina racemosa A. A. Heller 1917-6-17 12706 Placer below Cisco (near river); Yuba River 1676 Comment
  UCD126843  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer between sidewalk and street, 221 Elm Street, Roseville. Comment
  CDA5939  Solanum dimidiatum K. L. Milam 1968-7-15 Placer Sierra Nevada; 221 Elm Street, Roseville. Comment
  CDA5943  Solanum dimidiatum K. L. Milam 1968-7-15 Placer Sierra Nevada; 221 Elm Street, Roseville. Comment
  UC1613935  Solanum umbelliferum Charles M. Belshaw 1935-6-8 1002 Placer between Colfax and Gold Run (near Baxter's Hotel, w side of Sierra Nevada); Sierra Nevada Comment
  UC570690  Solanum umbelliferum Herbert L. Mason 1926-5-28 3269 Placer 5 mi above Auburn Comment
  NY820416  Solanum xanti M. J. Williams 1985-7-6 85- 63 --4 Placer Pacific Crest Trail between old and new Donner Summits Comment
  UCR231869  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2010-10-16 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 Reservoir dam 1180 Comment
  JEPS32359  Solidago elongata L. S. Smith 1925-8-12 1698 Placer Millers Defeat which is about 2 1/2 mi s Duncan Peak (road to Last Chance); Millers Defeat 1859 Comment
  OBI20136  Solidago elongata David J. Keil 1978-7-23 12951 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UC88196  Solidago velutina subsp. californica K. Brandegee Sep 1888 Placer Blue Canyon Comment
  UC147613  Sonchus asper Miss Harriet A. Walker 1908-6-27 1328 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC157302  Sorbus californica Dr. Kellogg 1870-7-9 s.n. Placer Summit Comment
  UCR146869  Spergula arvensis Beecher Crampton 1952-3-8 9452 Placer Sacramento Valley, southwest of Lincoln along Fiddyment road 38 Comment
Read comments
Oct 9 2010
  UCD150465  Spergularia rubra James A. Neilson Jr. 1971-8-11 2317 Placer Tahoe Basin, Homewood. 1905 Comment
  UCR229455  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 2011-7-26 17897 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-BC390676  Spergularia rubra Saichi Kawahara 1969-7-19 1552 A Placer Highway 800, 500 feet south of Nevada County Line 1889 Comment
  CAS-BOT-BC152530  Spiraea splendens unspecified 1912-1-6 97 Placer Tahoe Forest Comment
  UC416739  Stachys ajugoides var. rigida Katharine Brandegee Aug. 1911 Placer Tahoe Tavern Comment
  UCR231860  Stachys ajugoides var. rigida George K. Helmkamp, E. A. Helmkamp 2010-8-11 16759 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCD43327  Stachys rigida subsp. rivularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 695 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  RSA447392  Stachys stricta Wm. Martin 1971-9-10 20279 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CDA15958  Stellaria longipes G. F. Hrusa, J. Glazner 1999-7-17 15145 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  HSC4292  Stellaria longipes R. G. Means 1962-6-28 48 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  UCR208281  Stellaria media George K. Helmkamp, E. A. Helmkamp 2009-5-7 14635 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CAS-BOT-BC181461  Stellaria obtusa A. A. Heller 1919-7-25 13298 Placer About rocks near the Yuba River below Cisco. 1676 Comment
  POM51372  Stenotus acaulis C. F. Sonne 1897-7-18 s.n. Placer Tinker's Knob 2744 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
  POM292647  Stephanomeria lactucina Lyman Benson 1932-7-31 4027 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  SACT002316  Stipa californica Michael Baad 1983-8-11 Placer Collected on trail from Alpine Meadowws to Five Lakes Basin. 1.5 miles west toward Whiskey Creek 2072.0 Comment
  SACT002329  Stipa californica D. Meyer 1984-7-15 Placer Collected 2.2 miles from lodge. Opening in forest canopy. 1909.0 Comment
  SACT002330  Stipa californica D. Meyer 1984-7-8 Placer Roadside 1758.0 Comment
  SACT002331  Stipa californica Michael Baad 1976-8-4 Placer Collected on banks amoung rocks and in gravel beside creek. 1975.0 Comment
  SACT002358  Stipa lemmonii Michael Baad 1976-6-17 Placer Collected on flood plain at Royale Gorge- Wabena Creek to Wildcat Canyon. Comment
  SACT002386  Stipa occidentalis D. Meyer Placer NO date provided 1660.0 Comment
  UCR209732  Stipa occidentalis var. pubescens George K. Helmkamp, E. A. Helmkamp 2009-8-12 15449 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  UCR240887  Stipa pulchra George K. Helmkamp, E. A. Helmkamp 2012-3-31 18655 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  RSA584109  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest 1139 Comment
  CAS-BOT-BC87415  Streptanthus polygaloides Mary E. Jump 1939-6-25 s.n. Placer Road to Rawhide Mine about 5 miles from Alta (south or southeast). Comment
  CAS-BOT-BC87763  Streptanthus tortuosus A. A. Heller 1917-6-17 12690 Placer Near the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC87772  Streptanthus tortuosus Alice Eastwood 1909-1-1 260 Placer Lake Tahoe Region. Deer Park. Comment
  CHSC101512  Streptanthus tortuosus G. F. Hrusa 1995-5-20 12168 Placer Approximately 4 km beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. 650 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
  UCR193336  Streptanthus tortuosus var. orbiculatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12174 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  SEINET5505738 Image available Styrax officinalis var. californicus Evert I. Schlinger 1952-1 95 Placer 2 miles east of Auburn Comment
  UCD40903  Styrax officinalis var. redivivus Cathleen Chapton 1983-5-28 31 Placer Lake Clementine Road, American River Canyon. 243 Comment
  UCD22160  Symphoricarpos Beth Lowe Corbin 1982-8-3 199 Placer Hill west of Onion Creek Campground. 1853 Comment
  UCD69170  Symphoricarpos albus var. laevigatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon.Tahoe National Forest. 1550 Comment
  CAS-BOT-BC237003  Symphoricarpos mollis Alice Eastwood 1909-1-1 31 Placer Sunnyside Comment
  UC1119959  Symphoricarpos mollis J. E. Sowder, R. W. Lundh 1933-4-15 Placer Greek Store; Colfax Quad. 670 Comment
  SEINET8061724  Symphoricarpos mollis P. A. Lehenbauer 1932-9-11 s.n. Placer Lake Tahoe, Carnelian Bay. Comment
  CHSC67650  Symphoricarpos rotundifolius var. rotundifolius James D. Jokerst 1986-7-13 2735 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  CAS-BOT-BC97554  Symphyotrichum ascendens Margaret Williams 1974-8-8 74 -P1-26 Placer [Murphy's] Murphy Meadow, 5 miles southeast of Hirschdale 2316 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
  UCD43888  Symphyotrichum bracteolatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1254 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 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-BC98047  Symphyotrichum lentum A. A. Heller 1926-9-3 14330 Placer Seven miles east of Auburn along the Lincoln highway Comment
  CAS-BOT-BC98476  Symphyotrichum spathulatum W. R. Dudley 1909-8-23 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC98480  Symphyotrichum spathulatum H. M. Hall 12888 Placer Summit Station 2121 Comment
  CAS-BOT-BC98485  Symphyotrichum spathulatum John Thomas Howell 1943-7-22 18702 Placer Summit Valley Comment
  UC128139  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-27 1464 Placer Cisco Yuba River Comment
  CHSC73927  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-18 98 -063 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD86107  Taeniatherum caput-medusae Beecher Crampton 1957-5-7 3985 Placer Whitney Ranch, 6.8 miles north of Roseville. Comment
  SEINET5344495  Taeniatherum caput-medusae J. Wright, Johnnie Michael Wright 2000-3-27 s.n. Placer From Interstate 80 West, Reno to Sacramento, take the Lincoln exit. Plants were picked from the pullout at the exit on the north side of the freeway. Taeniatherum found on both sides. 91 Comment
  SEINET10319545 Image available Taraxacum officinale G. K. Helmkamp, Helmkamp, E. A. 2009-5-11 14657 Placer Sierra Nevada Mountains Foothills; junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill (Michigan Bluff 7.5' Q. [Quadrangle]) 1338 Comment
  UCD21792  Taraxacum officinale Rex Palmer 1979-5-27 N 51 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43038  Taraxacum officinale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 407 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC9  Taxus brevifolia H. N. Bolander 1865-4-13 4554 Placer Forest Hills Comment
  CAS-BOT-BC392405  Thalictrum fendleri F. Almeda 1993-7-24 7274 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  RSA276847  Thalictrum fendleri John H. Thomas, H. A. Thomas 1956-7-21 6177 Placer Sierra Nevada, Vicinity of Donner Pass, 80 miles NE of Sacramento 2134 Comment
  POM150342  Thalictrum polycarpum Unspecified s.n. Placer Donner. Comment
  JEPS127523  Thalictrum sparsiflorum Steve Matson 2003-6-28 815 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork of Snow Creek, west edge of main boggy site. Comment
  UCD43265  Thalictrum sparsiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 633 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET12476703  Thysanocarpus curvipes D. K. Worley, H. Mozingo 1977-3-19 s.n. Placer Old road, N of Hwy 49, N of the confluence of North and Middle Forks of American River. 305 Comment
  SEINET7249067  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  RSA20880  Thysanocarpus curvipes var. curvipes C. B. Wolf 1937-3-30 8343 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  SEINET12476871  Thysanocarpus radians A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 622 Placer One mile N of Lincoln. 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
  CHSC45227  Torreya californica Lowell Ahart 1972-4-1 80 Placer Along the north side of Mosquito Ridge Road, about 8 miles east of Forest Hill. 1219 Comment
  RSA129465  Torreya californica N. H. French 1933-5-19 60 Placer Near Iowa Hill 915 Comment
  RSA759627  Torreya californica Doug Goldman 2004-11-2 2919 Placer South side of Yankee Jims Road, west of Foresthill. 860 Comment
  CHSC73391  Torreyochloa pallida var. pauciflora L. P. Janeway; Eric Schroder 1998-9-16 6330 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
  UC1729949  Torreyochloa pallida var. pauciflora L. P. Janeway, Eric Schroder 1998-9-16 6330 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  UCD93190  Torreyochloa pallida var. pauciflora A. A. Heller 1917-8-13 12881 Placer Placer County. 2118 Comment
  CAS-BOT-BC172899  Toxicodendron diversilobum J. M. Ogawa 1952-5-8 s.n. Placer North of Loomis 121 Comment
  HSC3172  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer NE of the Masonic Cemetery, Dutch Flat. 1006 Comment
  SCFS11529141  Toxicodendron diversilobum E. Krimmel, F. Felix 2012-9-13 Placer NFAm 3 mi downstream from Cedars. Comment
  UCD22062  Toxicoscordion venenosum var. venenosum Rex Palmer 1979-6-19 N 255 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA15935  Trichostema oblongum G. F. Hrusa, J. Glazner 1999-7-17 15158 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD151067  Trichostema oblongum James A. Neilson Jr. 1972-9-7 3627 Placer Placer County. Tahoe. Dollar Water Tower. (Elevation estimated in Google Earth by label maker.) (Latitude/Longitude data are for Dollar Point in Placer County. No Dollar Water Tower could be found on maps.) 1905 Comment
  UCD22022  Trichostema oblongum Beth Lowe Corbin 1982-8-9 274 Placer 1/4 mile SW of Onion Creek campground. 1859 Comment
  SBBG58472  Trientalis latifolia M. N. Ackley -Jun-1925 798 Placer Towle 1127 Comment
  UCR198055  Trientalis latifolia Lisa Montany 1985-5-18 29 Placer Mosquito Ridge Road, 14.3 mi west of Forest Hill Road 1220 Comment
  UCD107145  Trifolium arvense H. E. Catlin 1935-4-25 s.n. Placer Placer County. Comment
  UCD80330  Trifolium bifidum CNPS SN Foothill Team 2005-4-26 SNFN 0183 d Placer CDPR Auburn State Recreation Area. The stand is located at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  UCR194958  Trifolium bifidum var. decipiens George K. Helmkamp, E. A. Helmkamp 2007-5-18 12031 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 southeast of Foresthill 439 Comment
  JEPS111139  Trifolium ciliolatum Steve Matson 2005-4-17 1220 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  SCFS2171  Trifolium cyathiferum L. Hooker 1963-6-27 29 Placer Mdw 3.7 mi past Montreal Rd on Hwy 89 1829 Comment
  UC146435  Trifolium cyathiferum Miss Harriet A. Walker 1908-7-25 1407 Placer Cisco 1810 Comment
  UC333400  Trifolium cyathiferum unknown 1874-1-1 Placer near Lake Tahoe; Squaw Valley Comment
  UCD22008  Trifolium cyathiferum Rex Palmer 1979-7-9 N 449 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD75820  Trifolium cyathiferum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5174 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
  SJSU8021  Trifolium cyathiferum Virginia Hardham 1965-6-27 Placer by Hwy 89, 4.5 mi S of Truckee 1767 Comment
  UC337955  Trifolium cyathiferum unknown 1874-1-1 Placer near Lake Tahoe Comment
  CDA36891  Trifolium dubium CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  OBI82141  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20488 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
  SD237451  Trifolium dubium G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15928 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  SD243144  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2011-4-10 17152 Placer Sacremaento Valley: along Riosa Road at the east edge of the village of Sheridan (Lincoln 7.5'Q) 41 Comment
  SD248417  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 961 Comment
  UCR250145  Trifolium dubium George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20822 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UCR250636  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  JEPS113115  Trifolium glomeratum Lowell Ahart, Brian Williams 2007-4-13 13645 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
  SD248419  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 961 Comment
  UCD111146  Trifolium hirtum G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10126 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  UCD111214  Trifolium hirtum Michael A. Vincent 1999-6-12 8634 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCD111228  Trifolium hybridum R. Tofsrud 1951-7-11 s.n. Placer Cisco Grove. Comment
  SEINET13203264 Image available Trifolium incarnatum George K. Helmkamp, Amy Barnes 2013-1 20233 Placer Eastern Sacramento Valley: NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 (Sheridan 7.5' Q.) 43 Comment
  NY802658  Trifolium kingii var. productum H. A. Walker 1910-6-26 1310 Placer Cisco 1811 Comment
  UC866961  Trifolium kingii var. productum John Thomas Howell 1938-8-2 13995 Placer 5 mi n Brockway Comment
  UCD111273  Trifolium longipes R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  SEINET12147834  Trifolium longipes C. F. Sonne 1881-1 55 Placer above Coldstream Comment
  CDA11998  Trifolium microcephalum G. F. Hrusa 1995-5-2 12179 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  CDA37046  Trifolium microcephalum CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UC750575  Trifolium microcephalum Lewis S. Rose 1946-6-23 46190 Placer n Cisco (Rainbow) Comment
  UC163953  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-11 8759 Placer Cisco Flats Yuba River 1740 Comment
  JEPS59437  Trifolium monanthum var. parvum Ezra Brainerd and Viola B. Baird 1915-7-21 157 Placer trail up river to Lake Tahoe; Sierra Nevada Mtns 1889 Comment
  SEINET7378476  Trifolium olivaceum A. Allen 1950-5-20 31 Placer Roadside 3 miles west of Auburn on Grass Valley road 366 Comment
  UCD109307  Trifolium productum E. Wilson 1934-8-5 s.n. Placer Near Cisco. 1676 Comment
  SEINET7375916  Trifolium tridentatum H. E. Hodge 1956-3-28 14 Placer U.s. Hwy 40, one mile east of Rocklin 76 Comment
  UC631450  Trifolium variegatum A. A. Heller 1919-7-25 13310 Placer below Cisco (near the Yuba River) Comment
  UCD33051  Trifolium variegatum Beecher Crampton 1966-4-14 7647 Placer Placer County, 2.5 miles east of Lincoln. Comment
  UC147859  Trifolium willdenovii Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  CAS-BOT-BC519123  Trillium albidum C. L. Hitchcock 1940-4-7 6306 Placer Ca. 1 miles west of Baxter. Comment
  JEPS16388  Triphysaria eriantha subsp. eriantha Mrs. Ames Placer [near] Auburn; [near] Auburn Comment
  UC219136  Triphysaria eriantha subsp. eriantha Mary E. Pulsifer Ames Mar, 1895 Placer Auburn Comment
  SD43621  Triphysaria eriantha subsp. eriantha Darley F. Howe 1948-5-20 Placer Placer Co. 456 Comment
  CHSC96512  Triphysaria pusilla Lowell Ahart; Brian Williams 2007-4-13 13655 Placer On damp granite soil, margins of vernal pools and 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
  SACT002444  Trisetum spicatum James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002453  Trisetum spicatum Michael Baad 1976-8-12 Placer Southwest to Emigrant Peak along Shirley Lake Ski Lift Right-o-way 2316.0 Comment
  SACT002448  Trisetum spicatum var. projectum Michael Baad 1983-8-27 Placer 1 mile west towards Cherry Point 2133.0 Comment
  UC662468  Triteleia bridgesii Dorothy Law 1941-5-15 Placer Auburn Sierra Nevada foothills Comment
  UC843577  Triteleia hyacinthina C. L. Hitchcock 1940-5-14 6378 Placer ca 6 mi n Colfax (Meier Ranch); Meier Ranch 762 Comment
  UCR231885  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-4-10 17150 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UC217450  Triteleia hyacinthina H. M. Hall 1917-5-17 10310 Placer 5 mi n Lincoln (along r.r. and into foothills n to Chico River); Sacramento Valley Comment
  UCD22035  Triteleia ixioides Rex Palmer 1979-6-9 N 178 Placer Headwaters basin area of the North Fork of the American River. Onion Creek Meadow. Comment
  POM276982  Triteleia ixioides subsp. anilina Lyman Benson 1933-6-26 4530 Placer Cisco, U.S. 40. Sierra Nevada range, Bear River watershed. 1829 Comment
  UCD22037  Triteleia ixioides subsp. anilina Beth Lowe Corbin 1982-8-4 232 Placer 1/2 mile NNW of Onion Creek Campground. 2072 Comment
  UC421770  Triteleia ixioides subsp. anilina Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC522068  Triteleia ixioides subsp. ixioides Saichi Kawahara 1969-5-24 868 Placer Mel Henderson Ranch, Indian Creek 1002 Comment