Search Results — 2000 specimen records retrieved (1599 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC870269  Acer glabrum var. diffusum A. A. Heller 1917-6-19 12730 Placer Emigrant Gap 1615 Comment
  SEINET7893697  Acer glabrum var. glabrum W. D. Billings 1951-7-28 2132 Placer W. side of Sierra Nevada, 1-2 mi. S of The Cedars, American River drainage. 1829 Comment
  CAS-BOT-BC333260  Acer macrophyllum Saichi Kawahara 1969-5-24 881 Placer Old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  POM85271  Acer macrophyllum Marcus E. Jones 1882-5-28 3308 Placer Emigrant Gap. Comment
  SEINET11261906  Acer macrophyllum George Helmkamp, E. A. Helmkamp 2012-5-11 18953 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1041 Comment
  SEINET3828342  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2012-1 18953 Placer Northern Sierra Nevada Mountians Foothills: Finnin Mill Road, 1.7 miles north of its junction with Forest Hill Road, Foresthill 7.5 1041 Comment
  UCD117054  Acer macrophyllum K. H. Traver 1969-5-24 39 Placer 1 mile north of Forest Hill. Comment
  SEINET7893924  Acer macrophyllum W. D. Billings 1940-5-31 1275 Placer 5 miles E of Colfax. Comment
  CHSC10685  Achillea millefolium Lowell Ahart 1972-8-7 Placer French Meadows. 1524 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
  CAS-BOT-BC216416  Achnatherum lettermanii A. A. Heller No date on label 12889 Placer Summit Station 2121 Comment
  SEINET5585745  Achnatherum occidentale T. R. Van Devender, R. K. Van Devender 1990-1 90 -78 Placer Prosser Lake, Tahoe National Forest, Sierra Nevada; 3 miles north of Truckee on Highway 89 1768 Comment
  UCD22218  Achnatherum occidentale subsp. californicum Beth Lowe Corbin 1982-8-12 336 Placer 1/3 mile NE of Onion Creek Campground. SW facing slope, 15% incline. Common. Partial sun. In organic, fine, sandy soil in opening in white fir forest. Perennial forming moderately small bunches. 1905 Comment
  JEPS45870  Achnatherum stillmanii L. S. Smith 1931-6-4 2557 Placer below Pine Nut (Duncan Canyon); Tahoe Forest 1524 Comment
  UC573831  Achnatherum stillmanii B. Bolt 1934-7-17 175 Placer 1/2 mi s Walker Mine; Tahoe National Forest, Truckee Quadrangle Comment
  CAS-BOT-BC29927  Achyrachaena mollis Gordon H. True 1971-5-26 6544 Placer Valley Grassland, northern limits of Lincoln 48 Comment
  SD43620  Achyrachaena mollis Darley F. Howe 1948-5-20 1835 Placer 455 Comment
  CHSC81785  Acmispon americanus var. americanus Lowell Ahart 2001-10-10 9346 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  JEPS127427  Acmispon americanus var. americanus Steve Matson 1998-8-15 377 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  JEPS127543  Acmispon americanus var. americanus Steve Matson 1998-7-12 332 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, west of Martis Creek, east of vernal pools. Comment
  SD247414  Acmispon americanus var. americanus George Helmkamp, E. A. Helmkamp 2012-9-25 19917 Placer Northern Sierra Nevada Mountains: junction of Nyack Road and I-80 in the Emigrant Gap area (Blue Canyon 7.5'Q) 1652 Comment
  UCD103810  Acmispon americanus var. americanus A. A. Heller 1917-8-12 12872 Placer Southern Pacific reservoir west of Emigrant Gap in coarse. Comment
  UCD104046  Acmispon brachycarpus Beecher Crampton 1977-4-3 9465 Placer 3.5 miles north of Auburn just east of Elder's Corner, along Dry Creek Road. Comment
  UCD104250  Acmispon nevadensis Beecher Crampton 1968-9-18 8385 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 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
  CAS-BOT-BC391462  Aconitum columbianum subsp. columbianum Mrs. Chas. E. Miller 1916-8-30 s.n. Placer Emigrant Gap Comment
  RSA249383  Aconitum columbianum var. columbianum J. D. Ackerman 1974-7-20 387 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy 89 Comment
  UCD21931  Aconogonon davisiae Beth Lowe Corbin 1982-8-23 409 Placer 2 miles SW of the Cedars. In loose, fine sandy, rocky soil in open Red Fir forest. Stem pinkish. Calyx pinkish white. Full sun. North facing slope, 30% incline. Locally common. 2133 Comment
  CAS-BOT-BC412849  Aconogonon davisiae G. Earle Kelley 1923-7-1 s.n. Placer Five Lakes, Tahoe Region Comment
  OBI39838  Adenocaulon bicolor Joy H. Nishida 1985-7-10 790 Placer Homewood 1829 Comment
  UC1127712  Adenostoma fasciculatum N. French 1933-6-5 65 Placer e. Rocklin; Sacramento Quad. Comment
  POM120401  Adiantum jordanii Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
Read comments
Sep 3 2010
  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
  SCFS1231  Ageratina occidentalis E. Krimmel 2014-6-26 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  UCD128553  Ageratina occidentalis A. T. Leiser 1972-8-14 s.n. Placer Alpine Meadows. Comment
  POM58925  Ageratina occidentalis A. M. Carpenter 1892-8-9 s.n. Placer [Unspecified] Comment
  CAS-BOT-BC13179  Agoseris monticola John Thomas Howell 1943-7-26 18832 Placer Donner Pass to Mount Lincoln Comment
  UC891244  Agoseris retrorsa C. L. Hitchcock 1940-5-7 6325 Placer ca 1 mi w Baxter Comment
  CDA25690  Agrimonia gryposepala T. Barbato 1971-6-21 Placer Tony Barbato property, Meadow Vista. 0 Comment
  SACT000038  Agropyron cristatum D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center, near lakeshore. 1891.0 Comment
  SACT000050  Agropyron intermedium var. trichophorum Michael Baad 1977-6-9 Placer Junction of Middle Fork of American River and Rubicon River 365.76 Comment
  SEINET10909049  Agropyron pringlei A. Arthur Heller 1917-8-13 Heller 12919 Placer Ridge northwest of Donner Pass on a steep gravelly slope below a ledge of igneous rock, the neighboring forest composed of Abies magnifica. 2377 Comment
  SACT000072  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1828.8 Comment
  SACT000079  Agropyron trachycaulum D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 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
  SACT000084  Agrostis exarata D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SACT000099  Agrostis exarata D. Meyer 1983-7-24 Placer Sacramento Rd North of I80 Dutch Flat exit. Moist, shady roadside 1036.32 Comment
  SACT000102  Agrostis exarata D. Meyer 1984-8-4 Placer Meadow - mostly dry with a few springs 1454.0 Comment
  UC1110539  Agrostis exarata Herbert L. Mason 1939-8-3 12206 Placer 7 mi nw Tahoe City (Squaw Valley); Squaw Valley 1889 Comment
  UCD34018  Agrostis exarata Beecher Crampton 1975-9-9 9269 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  UCD52105  Agrostis exarata Beecher Crampton 1975-9-9 9273 Placer Gold Run rest area along Interstate Hwy. 80 W. 914 Comment
  UCD52340  Agrostis exarata N. French 1933-6-6 72 Placer near Newcastle. 304 Comment
  SEINET7249204  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  SACT000114  Agrostis exarata var. monolepis D. Meyer 1984-6-23 Placer Iowa Hill Rd 17.12 km from I 80 Frontage Rd. Dry roadside. elev. 909. s28t15nr10e 978.0 Comment
  CAS-BOT-BC139446  Agrostis hyemalis John Thomas Howell 1943-7-19 18572 Placer Summit Valley. Comment
  SACT000188  Agrostis idahoensis Michael Baad 1976-7-21 Placer NE corner. 10 miles southeast of Soda Springs. 2377.44 Comment
  SEINET4691428  Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2010-1 16380 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  UCD44498  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1864 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD52781  Agrostis idahoensis L. S. Smith 1914-9-14 s.n. Placer Col. Near Devils Peak. Comment
  UCD52992  Agrostis idahoensis Lewis S. Rose 1944-7-26 44272 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  UCD52993  Agrostis idahoensis Lewis S. Rose 1944-7-26 44273 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  SEINET11695841  Agrostis microphylla Unknown 1957-5-7 3998 Placer 1.7 mi E of Lincoln, road to Newcastle Comment
  SEINET4341131  Agrostis microphylla B. Crampton 1957-5-7 3998 Placer 1.7 miles east of Lincoln, road to Newcastle Comment
  SEINET4341133  Agrostis pallens L. G. McNeal 1965-10-16 s.n. Placer Squaw Valley 1981 Comment
  CHSC73708  Agrostis scabra L. P. Janeway; Eric Schroder 1998-9-16 6338 Placer Small meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 miles southwest of Lake Tahoe. 2124 Comment
  SACT000148  Agrostis scabra D. Meyer 1984-8-4 Placer meadow, mostly dry with a few springs 1454.0 Comment
  SACT000156  Agrostis scabra D. Meyer 1984-7-15 Placer 4.8 km from the lodge 1909.0 Comment
  SACT000168  Agrostis scabra D. Meyer 1984-8-4 Placer very wet roadside ditch, hillside seeping water, shady 1454.0 Comment
  UC710528  Agrostis scabra John Thomas Howell 1943-7-19 18572 Placer Summit Valley Comment
  SACT000191  Agrostis stolonifera var. major D. Meyer 1983-8-7 Placer Hwy 267 4.6 km South of PLacer County line. Roadside wash. 1758.0 Comment
  SACT000201  Agrostis stolonifera var. major Michael Baad 1976-8-4 Placer Picayune Trail at end of Jeep road, two miles east of Talbot Camp, ne of mildred ridge 1975.0 Comment
  SACT000218  Agrostis tenuis D. Meyer 1983-6-16 Placer 1624.0 Comment
  SACT000244  Agrostis variabilis D. Meyer 1983-10-22 Placer Squaw Valley Ski Resort, Searchlight ski run, from base up to Olympic Lady Chairlift, straw added for erosion control 2121.0 Comment
  SACT000250  Agrostis variabilis Michael Baad 1983-8-21 Placer On road to Kidd and Cascade Lakes 2.4 miles southwest of Soda Springs exit off of Interstate 80 2019.0 Comment
  SACT000253  Agrostis variabilis Michael Baad 1976-8-4 Placer Shore of Mildred Lakes and northwest-facing slope of Mildred Ridge 2438.4 Comment
  SACT000264  Aira caryophyllea Josephine Van Ess 1976-4-14 Placer along foot path in natural area; open gravel area 97.6 Comment
  SEINET10509650  Aira caryophyllea Alan A. Beetle 1941-5-26 Beetle 2710 Placer Near Cisco. 914 Comment
  CAS-BOT-BC138374  Aira caryophyllea var. caryophyllea A. A. Beetle 1941-5-26 2710 Placer Near Cisco. 914 Comment
  UCD44484  Allium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1850 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS111330  Allium lemmonii Steve Matson 2005-6-11 1277 Placer Martis Valley, ca 3 miles southeast of Truckee, National Recreation Area (Army Corps) south of 267, northwest of Martis Creek, ca 500 meters west of Parking Area; 39.3006 N, 120.1362 W; Elevation 5840 ft. 1780 Comment
  CAS-BOT-BC474277  Allium obtusum var. obtusum Alice Eastwood 1912-6-15 408 Placer Deer Park. Lake Tahoe Region Comment
  UC3200  Allium peninsulare var. peninsulare C. F. Sonne 1891-5-17 1 Placer Newcastle Sierra Nevada Mountains, Newcastle Comment
Read comments
May 11 2010
  UCD22045  Allium platycaule Rex Palmer 1979-6-9 N 165 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC474082  Allium platycaule L. Smith 1926-5-26 1873 Placer Duncan Canyon, Tahoe Forest 1676 Comment
  UCD158865  Allium tribracteatum G. Ledyard Stebbins 1970-4-4 6991 Placer Ridge east of Gas Canyon, north of Middle Fork (of the) American River. (Exact location unknown. Coordinates estimated by label maker.) 685 Comment
  CHSC61613  Allophyllum gilioides L. S. Rose 1941-7-9 41299 Placer Chambers Lodge (McKinney), Lake Tahoe. 2100 Comment
  UC1123715  Allophyllum integrifolium B. Bolt 1934-7-19 148 Placer Tadpole Spring, Plot #233 Tahoe Nat'l Forest; , Colfax Quad., Tadpole Spring Comment
  UCD21982  Allophyllum integrifolium Beth Lowe Corbin 1982-8-6 268 Placer 1/2 mile west of Onion Creek campground. 1981 Comment
  UCR191131  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2007-6-12 12316 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  POM74363  Allophyllum integrifolium Marcus E. Jones 1889-7-11 10184 Placer Emigrant Gap. Comment
  JEPS59059  Allotropa virgata C. F. Sonne 1888-7-1 437 Placer Sierra Nevada Mountains, on Truckee River Truckee River; Sierra Nevada Mountains, Truckee River Comment
  CAS-BOT-BC171260  Alnus incana subsp. tenuifolia E. R. Blakley 1960-9-3 3820 Placer King's Beach. Lake Tahoe 1905 Comment
  SBBG1283  Alnus incana subsp. tenuifolia E. R. Blakley 1960-9-3 3820 Placer Kings Beach, Lake Tahoe 1905 Comment
  UCD109959  Alnus incana subsp. tenuifolia W. J. Barry 1968-3-31 45 Placer State Highway 20 at turnoff to Lake Spaulding. 1463 Comment
  UCD42882  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 249 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SACT002781  Alnus tenuifolia Michael Baad 1983-8-11 Placer Collected on trail from Whiskey Creek to Mildred Ridge 2133.0 Comment
  CAS-BOT-BC138157  Alopecurus aequalis var. aequalis John Thomas Howell 1943-7-19 18586 Placer Summit Valley. Comment
  JEPS7815  Ambrosia artemisiifolia Peter H. Raven 1954-8-27 7957 Placer at the lower edge of the oak belt Penryn Comment
  UC1127779  Amelanchier utahensis N. French 1934-5-31 391 Placer 1 mi se Texas Hill; Tahoe National Forest, Colfax Quad. 1615 Comment
  UCR121482  Amelanchier utahensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5017 A Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  LA210934  Amelanchier utahensis C. B. Wolf; 1917-6-19 12729 Placer SIERRA NEVADA, Emigrant Gap. 1615 Comment
  RSA755619  Amsinckia menziesii var. menziesii George K. Helmkamp, E. Helmkamp 2009-4-22 14581 Placer Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  UCR207886  Amsinckia retrorsa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14581 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  SEINET8551460  Anagallis arvensis R. C. Sumner 1948-5-7 s.n. Placer Found near road in open field, 4 miles south of Loomis. 305 Comment
  CAS-BOT-BC64272  Anaphalis margaritacea A. A. Heller 1916-8-13 12907 Placer Summit hotel 2133 Comment
  CAS-BOT-BC64273  Anaphalis margaritacea A. A. Heller 1916-8-13 12907 Placer Summit hotel 2133 Comment
  SCFS1165  Anaphalis margaritacea E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Creekside at Chickering. Comment
  UCD37506  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer Placer County, 1 mile southeast of Auburn, north slope above North Fork of American River, along State Highway 49. Comment
  UCD37503  Andropogon virginicus Beecher Crampton 1960-11-2 5793 Placer Placer County, 2 miles east of Bowman, along U.S. Highway 40. Comment
  UCD56087  Andropogon virginicus Beecher Crampton 1957-5-7 3995 Placer along Thermalands Road, 2 miles northeast Lincoln. Comment
  UCD56100  Andropogon virginicus Beecher Crampton 1960-11-2 5793 Placer 2 miles east of Bowman, along U.S. Hwy. 40. Comment
  UCD56102  Andropogon virginicus Jack E. Herr 1955-10-10 s.n. Placer Auburn. Comment
  UCD56110  Andropogon virginicus Beecher Crampton 1957-5-7 3999 Placer 2 miles west of Clipper Gap, US Hwy. 40 ca. 3 miles east of Auburn. 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
  RSA30887  Androsace occidentalis var. simplex Marcus E. Jones 1884-9-29 s.n. Placer Emigrant Gap Comment
  UC372857 Image available Androsace occidentalis var. simplex Marcus E. Jones, A. M. 1882-4-29 Placer Emigrant Gap Comment
  UCD21840  Angelica breweri Beth Lowe Corbin 1982-8-12 330 Placer Onion Creek campground. In wet soil along streambank. Perennial herb 2 1/2' high. Flowers whitish. Full sun. SW facing slope, 5% incline. Occasional. 1841 Comment
  UCD75949  Angelica breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5190 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
  UCR190224  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2007-8-1 12649 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR206783  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2009-7-16 15213 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  JEPS126322  Antennaria dimorpha Steve Matson 1998-8-12 319 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; about 600 yards south of Highway 267, 100 yards west of Golf Course Creek. Comment
  CAS-BOT-BC26982  Antennaria media Charles Frederick Sonne 1885-7-12 160 Placer Sierra Nevada Mts. Above Coldstream. Comment
  UCD21687  Antennaria rosea Rex Palmer 1979-6-20 N 309 Placer Headwaters basin area of the North Fork of the American River 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
  POM190466  Antirrhinum leptaleum D. D. Keck 1932-7-1 1591 Placer 2 miles N. of Auburn on Nevada City Road. 427 Comment
  UC1123471  Apocynum androsaemifolium G. T. Nordstrom 1934-6-21 145 Placer near Mammoth Springs Tahoe Nat'l Forest, Colfax Quad. Comment
  UC878847  Apocynum androsaemifolium unknown 122887 Placer Summit Station 2121 Comment
  UCD22107  Apocynum androsaemifolium Beth Lowe Corbin 1982-8-4 208 Placer 1/4 mile W of Onion Creek Campground. 1889 Comment
  SCFS1042  Aquilegia formosa E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  UC853791  Aquilegia formosa Marcus E. Jones 1882-6-28 2614 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  SEINET3245989  Arabidopsis thaliana G. K. Helmkamp, E. A. Helmkamp 2010-1 15929 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 48 Comment
  UCD43026  Arabis hirsuta var. glabrata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 395 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 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
  UCR121486  Arabis holboellii var. retrofracta George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5020 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SEINET2471192  Arceuthobium abietinum R. L. Mathiasen 2009-8-13 2009 -44 Placer 7.4 km E. of Sly Park Rd. on forest rd. 5 1271 Comment
  UC615458  Arceuthobium campylopodum Beryl O. Schreiber 1933-7-21 891 Placer trail to Mount Ellis above Homewood Tahoe Comment
  UC1078832  Arceuthobium campylopodum Job Kuijt 1957-5-18 1339 Placer 1.5 mi e Tahoe State Park (on Hwy 28) Comment
  UCD21476  Arctostaphylos Rex Palmer 1979-5-26 N 11 Placer Headwaters basin area of the North Fork of the American River. 2011 Comment
  CHSC10702  Arctostaphylos manzanita Lowell Ahart 1964-7-3 Placer On trail to Placer Queen Mine. 1676 Comment
  CAS-BOT-BC24240  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer W. slope of Sierra Nevada. Gorge Station, CPRR. 1219 Comment
  CDA39032  Arctostaphylos mewukka D. G. Kelch 2011-10-3 11 .827-B Placer Tahoe City. Granlibakken Resort. Comment
  RSA121257  Arctostaphylos nevadensis R. W. Lundh 1933-4-26 237 Placer 3 miles S. Signal Peak. 1829 Comment
  UCD21472  Arctostaphylos nevadensis Beth Lowe Corbin 1982-8-4 236 Placer One and 1/8 mile NNW of Onion Creek Campground. 2194 Comment
  CAS-BOT-BC42104  Arctostaphylos patula W. R. Dudley 1900-6-29 s.n. Placer Tahoe City Comment
  CAS-BOT-BC42145  Arctostaphylos patula Olga Reifschneider 1955-5-29 s.n. Placer Martis Peak Road, Hirschdale, 9 miles east of Truckee 2133 Comment
  UC205108  Arctostaphylos patula Katharine Brandegee Placer Gold Run 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
  RSA252141  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer 1 mi W. of Colfax. 659 Comment
  RSA637025  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24929 Placer Forest Hill Road, 23 km west of Forest Hill, northeast of Auburn. 450 Comment
  UC1121432  Arctostaphylos viscida subsp. viscida G. T. Nordstrom 1934-6-22 153 Placer 1 mi nw mouth of Big Valley; Tahoe National Forest, Colfax Quadrangle Comment
  POM308863  Arenaria capillaris subsp. americana Betty J. Jorgensen 1944-7-2 511 Placer Along summit near Donner Pass. 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
  JEPS59462  Arenaria kingii var. glabrescens Ezra Brainerd and Viola B. Baird 1915-7-15 198 Placer Sierra Nevada Mts. 2298 Comment
  UCD21689  Arnica Rex Palmer 1979-6-21 N 415 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC892062  Arnica chamissonis M. E. Parsons 1910-8-1 Placer Tahoe City Comment
  CAS-BOT-BC82207  Arnica chamissonis Le Roy Abrams 1911-7-29 4832 Placer near the summit of Mt. Tallac 2895 Comment
  CAS-BOT-BC82212  Arnica chamissonis John Thomas Howell 1925-7-5 1385 Placer Armstrong's, Emerald Bay, Lake Tahoe 1889 Comment
  UC53991  Arnica chamissonis Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  NY158403  Arnica ciliaris C. F. Sonne 1896-8-2 s.n. Placer R. R. Canyon on road to Tahoe Comment
  POM252782A  Arnica ciliaris C. F. Sonne 1896-8-2 s.n. Placer Tahoe Comment
  CAS-BOT-BC82348  Arnica cordifolia C. F. Sonne 1885-5-10 186 Placer Near old Shingle Mill on Truckee River Comment
  SEINET6775086 Image available Arnica mollis A. Tiehm, E. McPherson 1974-1 520 Placer Juniper creek 2408 Comment
  CDA15641  Arnica parryi G. F. Hrusa, J. Glazner 1999-7-18 15209 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC1190075  Artemisia arbuscula George H. Ward and Ann Ward 1949-9-12 948 Placer ca. 8 mi n of Tahoe City (along Truckee River); Truckee River Comment
  UC1119423  Artemisia cana subsp. bolanderi B. Bolt 1934-8-23 201 Placer Mt. Mildred Tahoe National Forest, Truckee Quadrangle, Mt. Mildred 2468 Comment
  UC128211  Artemisia douglasiana Miss Harriet A. Walker 1397 Placer near Yuba River (Cisco) 1524 Comment
  UCD129333  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer Base of a cliff north of Summit hotel. 2164 Comment
  CAS-BOT-BC93612  Artemisia rothrockii John H. Thomas; Hazelle A. Thomas 1956-7-21 6091 A Placer Sierra Nevada - vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD33481  Artemisia tridentata Beecher Crampton 1968-9-18 8383 Placer 1.5 miles east of Emigrant Gap on Interstate 80. 1676 Comment
  UC372822  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
Read comments
Apr 7 2018
  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
  SEINET10928326  Asclepias cordifolia Marcus E. Jones 1882-6-30 Jones 2802 Placer Emigrant Gap Comment
  UC22964  Asclepias cordifolia Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC69577  Aspidotis densa Emily K. Mcpherson 1976-9-19 76- 27 -3 Placer Middle Fork of the American River. 1828 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
  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
  UCR257623  Aster occidentalis var. occidentalis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19529 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
  SCFS1043  Asteraceae E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  SEINET5324976  Astragalus andersonii F. H. Hillman s.n. Placer Between Truckee and Tahoe Comment
  CAS-BOT-BC177511  Astragalus austiniae C. F. Sonne 1885-8-23 68 Placer Tinker's Knob 2895 Comment
  UC197202  Astragalus austiniae C. F. Sonne 1897-7-18 Placer Tinker's Knob 2743 Comment
  UC1563717  Astragalus gambelianus Barbara Ertter with David Thompson 1989-4-8 8160 Placer Iowa Creek Road ca 2 mi from I-80 near entrance to Auburn State Recreation Area (at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  UCD104783  Astragalus gambelianus Al Franklin 1987-5-1 87 -08 Placer 1.3 miles east of I-80, on Foothill Road, just outside Auburn, CA. 396 Comment
  RSA523952  Astragalus gambelianus Barbara J. Ertter, David Thompson 1989-4-8 8160 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UCD105214  Astragalus purshii S. S. Smith 1916-6 414 Placer Squaw Valley. 1828 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
  JEPS72268  Astragalus whitneyi var. lenophyllus Gladys L. Smith 1972-6-20 3247 Placer steep slope just below Ward Peak summit; just below Ward Peak summit 2628 Comment
  UCD66825  Asyneuma prenanthoides Beecher Crampton 1956-7-17 3730 Placer Blue Canyon. 1432 Comment
  CAS-BOT-BC69538  Athyrium alpestre subsp. americanum Sonne 1886-8-1 324 Placer Unspecified. Comment
  CHSC85762  Athyrium filix-femina G. F. Hrusa; J. Glazner 2000-9-3 15669 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  RSA692535  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1927-1 14 Placer Near Towle Comment
  CAS-BOT-BC66086  Athyrium filix-femina var. cyclosorum M. N. Ackley 1926-6-1 71 Placer Bear Valley, Sierra Nevada 1371 Comment
  SACT000364  Avena barbata Michael Baad 1977-6-8 Placer on Ralston Ridge Road 487.68 Comment
  SACT000392  Avena fatua D. Meyer 1983-6-5 Placer 977.3 Comment
  SACT000399  Avena fatua D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT000417  Avena fatua D. Meyer 1984-4-15 Placer roadside, appears to have been a vernal pool-dry. 36.97 Comment
  CAS-BOT-BC66258  Azolla mexicana Lowell Ahart 1975-3-16 s.n. Placer About 1/2 to 1/2 miles NE of intersection on Wise and McCourtney Road north of Lincoln 41 Comment
  SD43641  Balsamorhiza deltoidea Darley F. Howe 1948-5-23 1859 Placer American River 305 Comment
  SD80952  Balsamorhiza hookeri James Henrickson 1969-5-25 3405 Placer 102 miles northeast of Sacramento, 4 miles southeast of Truckee along Hwy. 267. 1830 Comment
  UCD129454  Balsamorhiza macrolepis Beecher Crampton 1957-5-7 3983 Placer Along US Hwy. 99E, 3.2 miles N of Roseville. Comment
  JEPS53020  Barbarea orthoceras Leland S. Smith 1928-6-9 2320 Placer Squaw Valley Ranger Station Tahoe Forest, Squaw Valley (in pasture) 1889 Comment
  UC10261  Barbarea orthoceras C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UC855620  Barbarea orthoceras Alice Eastwood June 15-19, 1912 412 Placer Deer Park, Lake Tahoe Region 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
  POM94785  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  UC1192171  Bidens frondosa Malcolm A. Nobs 1948-9-25 687 b Placer 9 mi n of Auburn (Rock Creek Highway 49); Rock Creek, Highway 49 Comment
  CAS-BOT-BC100274  Blennosperma nanum var. nanum Carl B. Wolf 1937-3-30 8350 Placer Sacramento Valley, 4 8/10 mi. E. of Lincoln on Penryn Road 91 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
  UCD42946  Boechera howellii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 315 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC14252  Boechera pinetorum Lewis S. Rose 1944-7-10 44052 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CAS-BOT-BC14253  Boechera pinetorum Lewis S. Rose 1940-6-1 6200 Placer Truckee River, 3 miles northwest of Tahoe City. 1889 Comment
  JEPS109850  Boechera platysperma Dean W. Taylor 2005-7-15 19409 Placer Martis Peak, saddle 0.5 air miles E of the summit along Murphys Meadows Road 2560 Comment
  JEPS72036  Boechera rectissima Gladys L. Smith 1972-6-20 3208 Placer Ward Peak, about terminus of Summit chairlift Ward Peak 2621 Comment
  UCD22344  Boechera retrofracta Rex Palmer 1979-6-19 N 240 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC17214  Boechera rigidissima Arnold Tiehm 1974-8-8 524 Placer Sierra Nevada. Juniper Creek. 2407 Comment
  UC10137  Boechera sparsiflora H. N. Bolander 1865-4-10 4514 Placer near Auburn (Bed of American River); American River Comment
  RSA6524  Boisduvalia densiflora Jens Clausen 1932-9-16 651 Placer 2.8 miles from Auburn on the Sacramento Road Comment
  CHSC11101  Boykinia major Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  SACT000435  Brachypodium distachyon Michael Baad 1976-6-3 Placer 1.1 miles east of North Fork of American River Bridge; southwest facing slopes; red igneous rock 217.9 Comment
  CDA37232  Brassica campestris CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR231884  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 Rd), 1.8 miles northeast of junction with CA-49 250 Comment
  UC175390  Brickellia greenei Miss Helen D. Geis 1909-8-1 Placer Deer Park, Tahoe District Comment
  UC170078  Brickellia greenei Miss Helen D. Geis Jun 1 1912-Jul 1 1912 204 Placer Deer Park and Crags Deer Park, Crags Comment
  CDA36920  Briza minor CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA37219  Briza minor CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000459  Briza minor D. Meyer 1984-4-15 Placer Roadside, appears to have been a vernal pool-dry 36.97 Comment
  UCD36145  Briza minor Beecher Crampton 1953-2-11 972 Placer Placer County, 2 miles north of Lincoln, on road to Sunnybrook Farm Hereford Ranch. Comment
  SACT000473  Briza minor Josephine Van Ess 1976-4-26 Placer in low moist area; light shade, grassy, moist 91.5 Comment
  UCD77140  Brodiaea appendiculata Robert E. Preston 2004-4-25 2221 Placer Ca. 5 mi NW of Roseville, along Fiddyment Rd 32 Comment
  CAS-BOT-BC482161  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  JEPS7629  Brodiaea elegans subsp. elegans Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, H. Stutz and F. Ehrendorfer 1952-7-19 3858 Placer North Fork American River just below Cape Horn (0.5 mi above bridge on Colfax-Iowa Hill Road); North Fork American River 381 Comment
  UC1134019  Brodiaea elegans subsp. elegans C. R. Clar 1933-6-4 127 Placer near Newcastle; Sacramento Quadrangle Comment
  UCD139129  Brodiaea elegans subsp. elegans R. A. Blanchard 1931-5-9 2190 Placer Roseville. Comment
  UCR219682  Brodiaea elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2010-6-26 16372 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SD236125  Brodiaea minor G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13284 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36 Comment
  UCD77185  Brodiaea minor Robert E. Preston 2004-6-12 2255 Placer Ca. 1 mile east of Colfax, along Iowa Hill Road. 342 Comment
  SEINET7067123  Brodiaea stellaris A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
Read comments
Jul 17 2018
  CAS-BOT-BC144214  Bromus arenarius Peter H. Raven 1953-5-10 5492 Placer Road to Placerville 1.7 mile from Auburn, in canyon of American River. Comment
  UCR226136  Bromus carinatus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5152 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  UCD22242  Bromus carinatus var. carinatus Rex Palmer 1979-7-9 N 448 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22243  Bromus carinatus var. carinatus Rex Palmer 1979-7-12 N 640 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD59138  Bromus carinatus var. marginatus L. S. Smith 1928-7-15 XSV Placer Squaw Valley. 1828 Comment
  UCD59203  Bromus carinatus var. marginatus L. S. Smith Date Unknown 514 Placer Squaw Valley. Comment
  SACT000526  Bromus diandrus D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  CHSC96458  Bromus hordeaceus Lowell Ahart; Brian Williams 2007-4-13 13661 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-BC155064  Bromus hordeaceus Peter H. Raven 1954-4-16 6606 Placer 7 miles south of Lincoln on road to Roseville. Comment
  SEINET4399678  Bromus hordeaceus W. D. Billings 1940-5-18 1312 Placer Gold Run Comment
  UCD58852  Bromus inermis Beecher Crampton 1972-7-26 8850 Placer Carpenter Flat, east of Emigrant Gap. 1615 Comment
  UCD74183  Bromus inermis subsp. inermis Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-27 240 Placer Northstar active ski area, off Hwy 267, Lookout Mountain - collected from center of 'Prosser' ski run. 2373 Comment
  CAS-BOT-BC155328  Bromus laevipes A. A. Beetle 1941-5-26 2726 Placer Near Cisco. 914 Comment
  SACT000595  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Garden Bar Rd. collected in woodland area. Shaded slope. Heads nodding. Comment
  SACT000597  Bromus laevipes D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Rd 978.0 Comment
  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
  UCD36678  Bromus laevipes Beecher Crampton 1955-6-15 2916 Placer Placer County, 6 miles west of Forest Hill. Comment
  SACT000699  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  SACT000704  Bromus marginatus Michael Baad 1983-8-11 Placer 2133.6 Comment
  CAS-BOT-BC162163  Bromus orcuttianus Peter H. Raven 1956-8-4 9999 Placer Sierra Nevada. 1.0 mile from Blue Canyon on road to Emigrant Gap. Comment
  LA13781  Bromus orcuttianus B. Bolt; 1934-7-3 75 Placer top of Sawtooth Ridge 1219 Comment
  SEINET3923248  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Blue Canyon.; 0 1430 Comment
  UCD59270  Bromus orcuttianus Beecher Crampton 1967-7-26 8152 Placer Ca. 3 miles NW of Kings Beach, near summit State Hwy. 267, north end Lake Tahoe. 2133 Comment
  UCR151937  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Sierra Nevada Mountains, Blue Canyon 1431 Comment
  SACT000719  Bromus rubens Josephine Van Ess 1975-4-16 Placer North of Rock Corral, Linda Creek drainage, found in crevices in rocks 915.0 Comment
  UCD36323  Bromus secalinus Beecher Crampton 1953-5-26 1336 Placer Placer County, 2 miles north of Lincoln, Sunnybrook Farm. Comment
  SACT000755  Bromus suksdorfii Michael Baad 1983-9-3 Placer form saddle between Mount Judah and Mount Lincoln 2529.0 Comment
  SACT000757  Bromus suksdorfii D. Meyer Placer 10 miles from French Meadows, dry roadside 1524.0 Comment
  SEINET10867393  Bromus suksdorfii A. Arthur Heller 1917-8-14 Heller 12924 Placer Mt. Lincoln south of Summit Valley on a steep gravelly slope with a few scattered trees of Hesperopeuce Mertensiana near the crest. 2499 Comment
  SACT000800  Calamagrostis breweri Michael Baad 1976-8-4 Placer on the shore and northeast-facing slope of Mildred Ridge Comment
  SEINET4565466  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass. 2286 Comment
  CAS-BOT-BC185465  Calamagrostis canadensis Peter Rubtzoff 1976-9-18 8848 Placer Sierra Nevada. Lake Van Norden. South side of lake. 2063 Comment
  SEINET3924084  Calamagrostis canadensis Ellen Dean 2008-7-20 5249 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon.; 0 2099 Comment
  UC1729975  Calamagrostis canadensis L. P. Janeway, Eric Schroder 1998-9-16 6327 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
  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
  SJSU8208  Callitriche palustris W. Savage 1968-8-2 563 Placer 200 yards E of L Van Norden 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
  UCD14315  Calochortus albus Gregory Brickner 1984-5-19 33 Placer 10 miles south of Auburn on Highway 49. 167 Comment
  UCR207888  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14571 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCR235615  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18912 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
  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
  CAS-BOT-BC487485  Calochortus albus Saichi Kawahara 1969-5-25 1035 Placer Near B.M. 2393, 'Nigger George Ravine, Colfax - Iowa Hill Road 729 Comment
  CDA39303  Calochortus albus A. Drieth 1960-4-15 3963 Placer Near Newcastle. 0 Comment
  SEINET8194250  Calochortus albus J. Solaegui 1977-4-16 s.n. Placer 3 miles E of Auburn on Rte 49, along dirt road immediately N of Rte 49. 335 Comment
  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-BC490536  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi. no. of Lincoln 45 Comment
  CAS-BOT-BC483461  Calochortus minimus A. Kellogg 1870-6-1 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  CAS-BOT-BC493404  Calochortus monophyllus Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC493406  Calochortus monophyllus Alice M. King 1923-5-1 s.n. Placer Placerville Comment
  CAS-BOT-BC493408  Calochortus monophyllus Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  POM109551  Calochortus nudus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap. Comment
  SEINET8197646  Calochortus nudus W. Roderick, R. Halliday 1967-6-10 s.n. Placer N. of Emigrant Gap. 1524 Comment
  UC3442  Calochortus nudus Mrs. M. M. Hardy 1893-1 Placer Comment
  RSA0000324  Calochortus nuttallii var. subalpinus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC1134526  Calochortus superbus C. R. Clar 1933-6-21 136 Placer s of Dry Creek; Sacramento Quad. 426 Comment
  UC465569  Caltha biflora Katharine Brandegee Placer Alta Comment
  UCD22177  Caltha leptosepala Rex Palmer 1979-7-11 N 533 Placer Headwaters basin area of the North Fork of the American River Comment
  UC912594  Calycadenia multiglandulosa H. L. Mason 1929-10-4 5455 Placer 2.4 mi below Weimar Comment
  CAS-BOT-BC270649  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer 0.3 mile N of Weimar P.O. 685 Comment
  UC1334171  Calycadenia multiglandulosa Thomas Morley 1946-9-28 815 Placer 1 1/2 mi ne of Alta 1188 Comment
  UC1876157  Calycadenia multiglandulosa Gerald D. Carr 1971-8-15 634 Placer 4.1 mi N of Auburn on Hwy 49. 426 Comment
  UC419713  Calycadenia multiglandulosa Mrs. H. P. Bracelin 1930-10-12 101 Placer 1st summit n of, on Georgetown Rd. Colonia Comment
  UC1876651  Calycadenia spicata Gerald D. Carr 1971-8-15 631 Placer Karchner Rd., ca 6 mi E of Wheatland. 60 Comment
  UC89091 Image available Calycadenia truncata Mrs. Parry 1900-8-21 Placer Roseville Comment
  UC419712  Calycadenia truncata Mrs. H. P. Bracelin 1930-10-12 99 Placer n of Colusa (on Georgetown Road) Comment
  SD102801  Calyptridium monospermum Darley Howe 1978-7-14 5075 Placer Along state highway 20, 29 miles west of Truckee. 1645 Comment
  UCD96972  Calyptridium monospermum Chuck Hughes 2010-7-13 236 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  UCR232231  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16645 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  UCR194948  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12003 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UC1965419 Image available Calystegia vanzuukiae R. K. Brummitt 2012-6-12 22047 Placer Tahoe National Forest, Western States Trail c. 1 mile from Michigan Bluff Road Comment
  JEPS59466  Campanula prenanthoides Ezra Brainerd and Viola B. Baird 1915-7-31 203 Placer above Nevada City; Sierra Nevada 1524 Comment
  CAS-BOT-BC37246  Cardamine breweri Alice Eastwood 1909-1-1 179 Placer Lake Tahoe Region. Ward Creek. Comment
  CDA12399  Cardamine breweri G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8527 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS126374  Cardamine breweri Steve Matson 1998-6-1 276 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 70 yards east of Boundary Fence, along East Martis Creek. Comment
  UC855781  Cardamine cordifolia var. lyallii Alice Eastwood 1909-1 243 Placer Deer Park Lake Tahoe Region, Deer Park Comment
  JEPS53308  Cardamine cordifolia var. lyallii C. F. Sonne July 1886 423 Placer along creek in canyon on rd. to Hot Springs (Tahoe); Tahoe Comment
  CAS-BOT-BC37842  Cardamine oligosperma Saichi Kawahara 1969-5-24 884 Placer Slope overlooking north fork of the American River. Colfax-Iowa Hill Road, between Dinner Tree and Windy Point. 585 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
  CDA39224  Cardaria pubescens Keith Kohler 2013-8-5 PDR# 310 P06129936 Placer Vicinity of Truckee; Northstar, Village Walk. 0 Comment
  CDA39063  Carduus nutans Preston Neufeld 2013-7-29 PDR# 310 P06129934 Placer Vicinity of Truckee; 192 Basque Drive. Comment
  JEPS99468  Carex amplifolia Steve Matson Jul 2001 494 Placer near junction of gas line forest service road and Griff Creek Tahoe Basin, Griff Creek watershed Comment
  CHSC74283  Carex angustata Susi Urie 1998-8-25 98 -099 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SDSU11602  Carex angustata D. F. Howe 1971-7-2 4758 Placer Near Lake Tahoe 1829 Comment
  SEINET7550690 Image available Carex athrostachya Unknown 2003-8-23 7967 Placer Northern High Sierra Nevada. Along Barker Creek just upstream from confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. Homewood 7.5' quad. 2106 Comment
  UCD44625  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1991 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC85708  Carex brainerdii G. F. Hrusa; J. Glazner 1999-7-17 15184 a Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET7484378 Image available Carex capitata P. F. Zika, Steve Matson 2009-1 24621 Placer Snow Creek watershed, North Shore of Tahoe Basin, east beyond North Avenue, town of Kings Beach, norther Sierra Nevada highlands (n SNH) 1920 Comment
  JEPS2511  Carex davyi J. Burtt Davy Jun 25 1897-Jun 30 1897 3266 Placer meadows by river; Truckee River Basin; Truckee River Basin, Placer Co. Comment
  CAS-BOT-BC34936  Carex densa Alice Eastwood; John Thomas Howell 1937-5-8 4364 Placer Near Rocklin. Comment
  CHSC85711  Carex douglasii G. F. Hrusa; J. Glazner 1999-7-17 15176 Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA70693  Carex exserta L. S. Rose 1940-6-1 40474 Placer Truckee River, 3 miles NW of Tahoe City. 1890 Comment
  UCD21842  Carex filifolia var. erostrata Rex Palmer 1979-7-19 N 235 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC20167  Carex filifolia var. erostrata W. R. Dudley 1893-6-7 s.n. Placer By railroad west of Truckee. Comment
  CAS-BOT-BC20685  Carex fracta T. C. Fuller 1964-9-1 12571 Placer Sierra Nevada. N of freeway Interstate 80 from Donner Summit, just E of Hampshire Rocks. 1828 Comment
  SEINET3901910  Carex heteroneura Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; M. Bibbo; T. Sasaki; J. Poloske 2008-7-19 5135 Placer Donner State Oark, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  UCD42851  Carex integra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 218 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD42861  Carex lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 228 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43317  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 685 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  NY11289  Carex luzulifolia var. strobilantha A. A. Heller 1903-8-17 7187 Placer Above Donner Pass 2286.0 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
  CDA16987  Carex multicaulis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16040 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CAS-BOT-BC32274  Carex multicostata J. H. Thomas; H. A. Thomas 1956-7-21 6173 Placer Sierra Nevada. Donner Pass ca. 80 mi NE of Sacramento. 2377 Comment
  CAS-BOT-BC119847  Carex nebrascensis John Thomas Howell 1938-8-2 14004 Placer 5 mi N of Brockway. Comment
  UCD43076  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 444 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  RSA22157  Carex pellita J. T. Howell 1938-8-2 13998 Placer 5 miles north of Brockway. Comment
  CAS-BOT-BC118758  Carex preslii John Thomas Howell 1943-7-27 18877 Placer Lake Tahoe near Tahoe Pines. Comment
  CDA25018  Carex raynoldsii J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Creek bank betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 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-BC117525  Carex sheldonii Peter H. Raven 1950-6-26 2419 A Placer Baxter's 1219 Comment
  CDA13685  Carex simulata G. F. Hrusa, J. Glazner 1997-8-3 14045 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD43189  Carex simulata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 558 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC117695  Carex simulata James A. Neilson 1971-8-22 2372 Placer Near King's Beach. Comment
  CAS-BOT-BC116994  Carex straminiformis Arnold Tiehm 1974-8-8 512 Placer South of Murphy's Meadow. 2529 Comment
  CAS-BOT-BC116996  Carex straminiformis A. A. Heller 1917-8-14 12927 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  CHSC68064  Carex subfusca James D. Jokerst 1986-7-12 2693 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  CHSC69942  Carex subfusca L. P. Janeway; Eric Schroder 1997-7-17 5249 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
  SEINET4286147 Image available Carex subfusca K. Chung, Matson, S 2009-1 1071 Placer Lake Tahoe, north side. 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
  UCD43330  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 698 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  UC1473  Carex utriculata W. H. Brewer 1863-8-27 2161 Placer near Knoxville; Truckee River Comment
  UC710439  Carex whitneyi Lewis S. Rose 1944-7-26 44279 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UCD75947  Carex whitneyi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5188 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail. 2161 Comment
  CAS-BOT-BC114929  Carex whitneyi R. K. Gierisch; D. H. Esplin 1969-7-11 3523 Placer Big Bend, 1828 Comment
  UC830173  Carex whitneyi Alice Eastwood Jun 15 1912-Jun 19 1912 474 Placer Deer City Lake Tahoe Region Comment
  JEPS48533  Cassiope mertensiana subsp. californica L. S. Smith 1927-8-12 2214 Placer Squaw Creek, Upper basin under the peak. Above Castle Peak. Comment
  UC197374  Cassiope mertensiana subsp. californica C. F. Sonne 1897-8-14 Placer E slope Mts. Anderson 2590 Comment
  SACT002865  Castanopsis sempervirens James Grove 1977-7-15 Placer 2000.0 Comment
  SCFS11529189  Castilleja E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UCR206835  Castilleja affinis var. affinis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15211 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  SCFS5112  Castilleja applegatei F. Felix, Erica Krimmel 2013-5-19 9 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  CAS-BOT-BC249705  Castilleja applegatei subsp. pinetorum Alice Eastwood 1909-1-1 59 Placer Lake Tahoe Region, Sunnyside Comment
  JEPS73654  Castilleja applegatei subsp. pinetorum L. R. Heckard with G. L. Stebbins 1973-6-17 3442 Placer about 7 air mi se Emigrant Gap (on summit of Big Valley Bluff); Big Valley Bluff 1920 Comment
  RSA518676  Castilleja applegatei subsp. pinetorum L. R. Heckard, G. Ledyard Stebbins 1973-6-18 3445 Placer High above (north) of Middle Fork American River, about 2.5 road miles east of Forest Hill. 762 Comment
  SD43622  Castilleja attenuata Darley F. Howe 1948-5-20 Placer Placer Co. 456 Comment
  SDSU10834  Castilleja attenuata D. F. Howe 1948-5-20 1837 Placer 457 Comment
  UC198555  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UCD44562  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1928 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC103492  Castilleja nana C. F. Sonne Jun 1897 Placer above Summit; Sierra Nevada Mountains Comment
  HSC30730  Castilleja pruinosa Thomas W. Nelson, James Nelson 1974-6-17 1365 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer/Nevada Co. line Comment
  UC147636  Castilleja pruinosa Harriet A. Walker 1908-6-23 1240 Placer Blue Canyon 1432 Comment
  CHSC73996  Castilleja tenuis Susie Urie 1998-8-17 98 -054 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  JEPS103347  Castilleja tenuis Lowell Ahart 2002-7-22 9899 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
  UCD21601  Castilleja tenuis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1266 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
  SCFS5100  Ceanothus F. Felix, Erica Krimmel 2013-5-26 47 -B Placer North Fork/Chickering American River Reserve. Where Cedar Meadows trail meets Cedar Creek falls. Comment
  UC1071509  Ceanothus N. French 1933-5-16 120 Placer 3 mi se Colfax; Colfax Quad. Comment
  CAS-BOT-BC47852  Ceanothus cordulatus John F. Emmel 1971-7-11 378 Placer Donner Pass - In rocky area about 50 feet from a small steam. 0.2 air mile ENE of north end of Lake Mary 2158 Comment
  CAS-BOT-BC47853  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Lake Tahoe - Chambers Lodge (McKinney) 1900 Comment
  CAS-BOT-BC47858  Ceanothus cordulatus Alice Eastwood 1909-1-1 s.n. Placer Sunnyside Comment
  CAS-BOT-BC47859  Ceanothus cordulatus Alice Eastwood 1912-6-15 493 Placer Lake Tahoe Region - Deer Park Comment
  CAS-BOT-BC47862  Ceanothus cordulatus John Thomas Howell 1925-6-14 1152 Placer Lake Tahoe - Emerald Bay Camp 1889 Comment
  CAS-BOT-BC47894  Ceanothus cordulatus Sachs 1922-7-1 1216 Placer Lake Tahoe Comment
  CHSC9524  Ceanothus cordulatus J. F. Goodwin 1971-7-10 157 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  RSA634244  Ceanothus cordulatus Robert M. Rhode, B. Nemeth 1997-6-26 168 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
  SBBG128618  Ceanothus cordulatus G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19222 Placer Devil's Thumb Rd (Deadwood Rd), 1.2 mi S of its jct with Foresthill Rd 1648 Comment
  UC1070972  Ceanothus cordulatus G. T. Nordstrom 1934-6-22 156 Placer 3.5 mi e by se Texas Hill; Colfax quad, Tahoe Nat. For. 1859 Comment
  UCR242330  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16660 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SEINET13945797 Image available Ceanothus cordulatus L. S. Rose 1941-1 41315 Placer Chambers Lodge (McKinney), Lake Tahoe Alt. ca 1900 m. 1900 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
  UC1071061  Ceanothus cuneatus var. cuneatus H. R. Josephson 1933-7-8 35 Placer Sugar Pine Mt., Smartsville quad. 670 Comment
  UCR208585  Ceanothus diversifolius George K. Helmkamp, E. A. Helmkamp 2009-5-11 14654 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  RSA0035851  Ceanothus integerrimus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20370 Placer 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
  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
  UC1602376  Ceanothus integerrimus Katharine Brandegee 1889-7-7 Placer Blue Canyon Comment
  UCD164646  Ceanothus integerrimus Brandi Sorensen 1995-6-1 21 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCR190845  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12066 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  CAS-BOT-BC51155  Ceanothus lemmonii C. L. Hitchcock 1940-5-7 6327 Placer ca. 1 mile West of Baxter Comment
  CAS-BOT-BC63352  Ceanothus prostratus Mary Elizabeth Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63353  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63358  Ceanothus prostratus Mary E. Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63359  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  POM153485  Ceanothus prostratus P. A. Munz 1928-6-25 11096 Placer Tahoe Camp, Lake Tahoe Comment
  SEINET192004  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer Ca. one mile west of Baxter Comment
  UC79811  Ceanothus prostratus Katharine Brandegee 1889-7-7 72 Placer Blue Canyon Comment
  JEPS127520  Ceanothus prostratus subsp. prostratus Steve Matson 1998-6-14 231 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave. under power lines. Comment
  SBBG68544  Ceanothus prostratus var. prostratus M. N. Ackley -Jun-1925 921 Placer Gold Run 983 Comment
  UCD124138  Ceanothus tomentosus Ellen Dean; Marcel Rejmanek 2012-10-9 7512 Placer Along Mosquito Ridge Road, ca. five road mile E of junction with Foresthill Road, S side of Mosquito Ridge Road by firebreak. Comment
  RSA121653  Ceanothus velutinus H. S. Yates 1934-6-30 3958 Placer Carnelian Bay, Truckee, Placer. 1921 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
  UCD22196  Ceanothus velutinus Beth Lowe Corbin 1982-8-20 395 Placer 1 1/4 miles NW of Onion Creek Campground. SW facing slope, 20% incline. Occasional. Partial sun. In fine, sandy soil of white fir forest. Loosely branched shrub to 5 ft tall. Flowers dried, whitish. Fruit green. Foliage aromatic, like balsam. 2133 Comment
  CDA484  Cedrus deodara T. C. Fuller 1975-9-5 20100 Placer Colfax, N side of town; State Hwy. Maintenance Yard, between old Hwy. 40 & I-80. 0 Comment
  CDA1097  Centaurea maculosa Stark, Kerr 1998-9-17 PDR# 1142330 Placer Homewood; Tahoe Ski Bowl. 0 Comment
  CDA7273  Centaurea maculosa T. C. Fuller 1963-8-28 11177 Placer North side of Highway 40 freeway to Truckee, 0.5 mile east of Hampshire Rocks. 0 Comment
  UCR218231  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16406 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SEINET5343601 Image available Centaurea solstitialis A. Ashton 1971-10-10 s.n. Placer along banks of the North Fork of the American River at Coloma 305 Comment
  CHSC85696  Centaurea stoebe subsp. micranthos Breckenridge 1998-7-22 389790 Placer Sierra Nevada. Around parking lots, condos, and trails at Silver Strike and Northstar Drive near Truckee. Comment
  UCD63136  Centaurea stoebe subsp. micranthos A. M. Shapiro 2007-8-17 s.n. Placer Nyack. 1609 Comment
  SDSU4598  Centromadia fitchii D. F. Howe 1959-8-1 2770 Placer 4 mi. north of Auburn. 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-BC288622  Centromadia fitchii John Thomas Howell 1929-10-4 4428 Placer On road to Colfax 1.5 miles from Auburn Comment
  SEINET5336893  Cerastium fontanum A. Tiehm, Margaret Williams; H. Mozingo; E. McPherson 1975-1 612 Placer One mile north of Lincoln. 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
  CAS-BOT-BC179376  Cercis occidentalis Saichi Kawahara 1969-5-25 1037 Placer Colfax - Town Hill Road, near B.M. 2393, 'Nigger' George Ravine 729 Comment
  JEPS126349  Chaenactis douglasii var. douglasii Steve Matson 1997-7-19 117 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek. Comment
  CAS-BOT-BC277775  Chaenactis nevadensis G. L. Stebbins 1969-7-20 6949 Placer Ridge south of North Fork, American River, between Sailor Canyon and Wildcat Canyon 1950 Comment
  POM90078  Chamaebatia foliolosa Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon Comment
  JEPS111230  Chamaesaracha nana Steve Matson 2005-6-5 1246 b Placer Southeast of Truckee, Martis Creek Wildlife Area; south of Highway 267, north of creek, ca. 300 meters east of Parking Area on pathway. 39.3019 N, 120.1264 W. Elevation 5,830 ft. 1777 Comment
  CHSC97701  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2007-11-13 14593 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  SEINET12194045  Chamerion angustifolium J. H. Nishida 1985-1 779 Placer Homewood 1829 Comment
  UC1122506  Chamerion angustifolium subsp. circumvagum G. F. Burks 1934-9-14 41 Placer Truckee River Tahoe National Forest, Truckee Quadrangle Comment
  CAS-BOT-BC70194  Cheilanthes gracillima Gordon H. True 1968-4-17 4166 Placer Hwy. 80 near Alta 1097 Comment
  UCD23228  Cheilanthes gracillima Beth Lowe Corbin 1982-8-9 287 Placer 2/3 mile southwest of Onion Creek campground. 1767 Comment
  CDA39019  Chenopodium ambrosioides D. G. Kelch 2011-10-2 11 .813 Placer Gold Run rest stop. Comment
  UC1136397  Chenopodium atrovirens B. Bolt 1934-7-19 147 Placer Tadpole Spring Tahoe National Forest, Colfax Quadrangle (Plot No. 233) Comment
  SD247399  Chenopodium desiccatum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19901 Placer Northern Sierra Nevada Mountains: junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap. 1634 Comment
  CAS-BOT-BC451417  Chimaphila menziesii Belle R. Jackson 1927-6-1 s.n. Placer Dutch Flat Comment
  RSA122823  Chimaphila umbellata subsp. occidentalis G. T. Nordstrom 1934-6-18 108 Placer North slope of Texas Hill. 1585 Comment
  UCD33394  Chloris verticillata Beecher Crampton 1967-7-26 8164 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80, junction of Meadow Vista Road. 487 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
  UCD22051  Chlorogalum pomeridianum Beth Lowe Corbin 1982-8-11 317 Placer 1 2/3 miles SW of Onion Creek Campground. SE facing slope, 30% incline. Full sun. Common. In rocky slope of montane chaparral. Flowers white, with purplish midribs. 1905 Comment
  CDA16989  Chondrilla juncea G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16042 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC96999  Chondrilla juncea L. P. Janeway 2007-7-8 9108 Placer Northern Sierra Nevada Foothills. Along Hwy 193 0.4 km east of Sierra College Blvd and 5.3 km east of Hwy 65 and Lincoln. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 87 Comment
  CHSC97012  Chondrilla juncea L. P. Janeway 2007-7-8 9107 Placer Northern Sierra Nevada Foothills. Along Hwy 193 0.6 km east of Newcastle. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 268 Comment
  UCD130409  Chondrilla juncea G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11206 Placer Northern Sierra Nevada Mountain. Along connecting road joining Forest Hill Road, with the CA-49 crossing of American River. 396 Comment
  CAS-BOT-BC279801  Chondrilla juncea T. C. Fuller 1965-10-11 14195 Placer Above Horseshoe Bar, Folsom Lake, e. end of Horseshoe Bar Rd., ca. 5 mi. e. of Loomis. Sierra Nevada 121 Comment
  CAS-BOT-BC249050  Chrysolepis sempervirens George K. Helmkamp; E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains: Deadwood Road, 1.2 miles south of its junction with Forest Hill Road 1564 Comment
  UC1135253  Chrysolepis sempervirens D. Schlobohm 1934-10-2 2 Placer 2 mi s Truckee; Tahoe National Forest, Truckee Quad. 1859 Comment
  UC193532  Chrysothamnus viscidiflorus subsp. viscidiflorus C. F. Sonne 1886-9-14 Placer flat beyond Tollhouse; Road to Tahoe Comment
  CAS-BOT-BC190015  Cinna latifolia H. N. Bolander 1869-6-1 s.n. Placer Bear Valley (Emigrant Gap Site). Comment
  POM32267  Circaea alpina subsp. pacifica Harriet Ann Walker 1908-7-27 1454 Placer Near to Iron Spring, Cisco. 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
  UCD96969  Cirsium andersonii Chuck Hughes 2010-7-13 234 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  CDA1069  Cirsium arvense T. C. Fuller 1964-5-18 11980 Placer W side of Dutch Flat Rd., 0.8 mi. S of Dutch Flat P.O. 0 Comment
  UC178909  Cirsium occidentale var. candidissimum Katharine Brandegee 1908-7-1 Placer Cape Horn Comment
  CAS-BOT-BC439027  Cistanthe monosperma A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  SBBG120611  Clarkia biloba G. K. Helmkamp with E. A. Helmkamp 2006-6-14 10708 Placer 0.2 mi N of Forest Hill Rd on unnamed rd to Lake Clementine (general area NE of Auburn on Forest Hill Divide) 488 Comment
  UC634698  Clarkia biloba H. L. Mason 1926-5-28 3270 Placer 5 mi above Auburn Comment
  POM37817  Clarkia biloba subsp. biloba Marcus E. Jones 1882-7-3 3340 Placer Colfax. Comment
  UCD72503  Clarkia biloba subsp. biloba Ellen Dean 2006-5-22 3141 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
  CAS-BOT-BC172410  Clarkia biloba subsp. brandegeeae A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  UCD104352  Clarkia biloba subsp. brandegeeae K. O'Keefe 1995-6-4 s.n. Placer East edge of Old Forest Road, 2 miles from Forest Hill Road. Western Sierra foothills, NE of Auburn. 450 Comment
  UCD72500  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
  UCD72513  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
  UCR218446  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16423 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
  UC2046128  Clarkia cylindrica subsp. cylindrica Neal Kramer 2015-6-12 2147 Placer Rincon Canyon, Eldorado NF Comment
  RSA115451  Clarkia heterandra Beecher Crampton 1955-6-15 2858 Placer Head of Bunch Canyon, just off U.S. Highway 40, 3 miles east of Weimar, Forest Hill Road Comment
  CAS-BOT-BC162496  Clarkia purpurea subsp. purpurea Alice Eastwood 1921-5-22 10593 a Placer Sacramento Valley, between Lincoln & Sheridan Comment
  CDA37236  Clarkia purpurea subsp. quadrivulnera CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC660017  Clarkia purpurea subsp. quadrivulnera Lincoln Constance 1941-5-28 2821 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  SEINET3260811 Image available Clarkia purpurea subsp. viminea Marcus E. Jones 1882-7-3 3341 Placer Colfax. Comment
  UCR193338  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2007-5-30 12176 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UC423052  Clarkia unguiculata David D. Keck 1928-6-12 420 Placer Auburn 304 Comment
  RSA755736  Claytonia exigua Barbara Ertter, David Thompson 1989-4-8 8174 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  SD211679  Claytonia exigua subsp. glauca Barbara Ertter, David Thompson 1989-4-8 8174 Placer Iowa Creek Road, ca. 2.0 miles from I-80 near entrance to Auburn State Recreation Area at creek crossing. 518 Comment
  CAS-BOT-BC229130  Claytonia megarhiza Wm. R. Hewlett 1959-8-1 s.n. Placer Lyon Peak 2651 Comment
  UCR250646  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Mary Alice Barnes 2013-4-18 20378 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
  SEINET5336355  Claytonia parviflora subsp. grandiflora J. Elder 1961-3-18 s.n. Placer In a foothill woodland 5 miles southeast of Auburn on hillside above the American River. 366 Comment
  RSA0042822  Claytonia parviflora subsp. parviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20476 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SEINET3840886  Claytonia parviflora subsp. parviflora M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 228 Placer Hughes Mill, Along Finning Mill Road, approximately three miles north of Forest Hill Road, approximately three miles east of Forest Hill 1070 Comment
  UCD164650  Claytonia parviflora subsp. parviflora Brandi Sorensen 1995-6-1 28 Placer .73 kilometers northwest of Colfax. 671 Comment
  UC198907  Claytonia parviflora subsp. parviflora C. F. Sonne Jun 1896 Placer near Truckee Comment
  SEINET5727675 Image available Claytonia perfoliata Nancy Carlsen 1971-1 21 Placer Rollins Lake Road at Rollins Lake, 3 miles north of Interstate Highway 80, on west side of road, north of the lake.; Rollins Lake Comment
  SCFS5106  Claytonia rubra F. Felix, Erica Krimmel 2013-5-19 3 Placer North Fork American River, 0.1 mile east of Heath Falls overlook, on trail Comment
  SBBG69764  Claytonia rubra subsp. rubra M. N. Ackley -Jun-1925 783 Placer Gold Run 983 Comment
  UC1136709  Claytonia rubra subsp. rubra N. French 1934-6-15 412 Placer Scott Hill; Tahoe National Forest, Colfax Quad. 1463 Comment
  RSA22507  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 miles SE of Loomis. 152 Comment
  SEINET3159399  Collinsia G. B. Grant 1906-1 6949 Placer about Lake Tahoe 2438 Comment
  SD241187  Collinsia heterophylla George K. Helmkamp, E. A. Helmkamp 2010-4-17 15897 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 308 Comment
  UC26648  Collinsia sparsiflora var. collina H. N. Bolander 1865-4-10 4507 Placer Auburn Comment
  UC1032609  Collinsia torreyi var. torreyi B. Bolt 1934-7-11 99 Placer Tahoe National Forest, Cascade Lakes Cascade Lakes; Tahoe National Forest, Cascade Lakes 2042 Comment
  POM146292  Collomia grandiflora J. B. Feudge 1927-7-18 1741 Placer Emigrant Gap. 1524 Comment
  SEINET3861936  Collomia grandiflora Genevieve K. Walden 2009-6-25 213 Placer Porters Board Shop office at the Truckee Tahoe Airport, in vacant lot next to Chevron fuel pumps.; 0 1726 Comment
  UCD96970  Collomia grandiflora Chuck Hughes 2010-7-13 235 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  POM75740  Collomia grandiflora Marcus E. Jones 1882-07 10174 Placer [Unspecified] Comment
  CAS-BOT-BC438830  Collomia heterophylla George K. Helmkamp; Mary Alice Barnes 2013-5-3 20473 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  CDA11992  Collomia heterophylla G. F. Hrusa 1995-5-2 12173 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  RSA0039072  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UC1123648  Collomia heterophylla N. French 1934-6-15 413 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  JEPS71047  Collomia heterophylla L. S. Smith 1925-6-4 1622 Placer Forest Hill Tahoe National Forest 762 Comment
  CHSC74244  Collomia linearis Susi Urie; Eric Schroder 1998-9-8 98 -284 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SJSU9108  Corallorhiza maculata Robert L. Fisher 1959-6-28 Placer Yuba Gap, Hwy 40, near county line; Placer & Nevada county 1676 Comment
  UC525852  Corallorhiza maculata Miss E. E. Morse 1934-5-4 Placer Towle Comment
  JEPS103943  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold run Comment
  JEPS86484  Cordylanthus tenuis subsp. tenuis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6564 Placer ca. 5 mi se Donner Lake (above and e of Chickering houses); Sherman Chickering's Soda Springs holdings Comment
  JEPS88781  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold Run Comment
  RSA756853  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15203 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  SEINET3386356 Image available Cordylanthus tenuis subsp. tenuis G. K. Helmcamp, E. A. Helmkamp 2006-8-11 11212 Placer Northern Sierra Nevada Mtn Foothills: along Forest Hill Rd, 8.7 mi NE of Forest Hill 1311 Comment
  UC579566  Cordylanthus tenuis subsp. tenuis B. Bolt 1934-7-23 163 Placer nw Damascus (end of travelled road from Westville); Tahoe National Forest, Colfax Quadrangle, North Fork of Amer 1463 Comment
  UCR189638  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2007-7-27 12629 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  RSA523461  Cordylanthus tenuis subsp. tenuis L. R. Heckard, T. I. Chuang 1969-7-26 2332 Placer Just north of Lake Alta. 1067 Comment
  UC177213  Cornus greenei A. R. Valentien May, 1914 Placer near Cool Comment
  UCD117158  Cornus nuttallii Eric Brenner; John Hunter 1996-5-26 019 Placer Along road to Big Trees, Mosquito Ridge Rd., Tahoe National Forest. 1750 Comment
  CAS-BOT-BC212143  Cornus sericea Marcus E. Jones 1882-6-28 3289 Placer Emigrant Gap 1615 Comment
  SEINET748872  Cornus sericea David Keil 1978-7-23 K- 12931 Placer Cisco Grove exit from I-80, just E of Nevada Co line; Lodgepole pine forest around S fork of Yuba River 1768 Comment
  SEINET12137565  Cornus sericea J. H. Nishida 1985-1 773 Placer Homewood 1829 Comment
  UC21568  Cornus sericea subsp. sericea Mrs. M. M. Hardy 1893-1-1 Placer Comment
  POM303027  Cornus stolonifera L. S. Rose 1944-7-22 44215 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  RSA0019567  Cornus stolonifera C. B. Wolf 1930-10-10 1727 Placer West slope Sierra Nevada; 1 mile east of Cisco. 1829 Comment
  CHSC40042  Corydalis caseana subsp. caseana C. F. Sonne 1890-8-9 12 Placer Sierra Nevada Mountains. Shady Ravine on Truckee River. Comment
  SEINET8194500  Crassula erecta H. N. Mozingo 1977-3-19 77 -3 Placer Sierra Nevada, Auburn, 2 miles S, near junction of North and Middle Forks, American River; hillside along North Fork, W side of river above bridge 274 Comment
  SEINET9356486  Crepis modocensis Unknown 1999-7-17 15120 Placer Placer Comment
  UC148921  Crepis occidentalis H. M. Hall 1910-7-4 8743 Placer n slope near Cisco; Sierra Nevada Mountains 1889 Comment
  CAS-BOT-BC290734  Crepis occidentalis subsp. conjuncta Alice Eastwood 1912-6-15 460 Placer Tahoe City, Lake Tahoe Region Comment
  CAS-BOT-BC290753  Crepis occidentalis subsp. occidentalis Elsie Z. Lovegrove 1941-6-6 s.n. Placer Truckee R. dam at Tahoe City Comment
  UCD22117  Cryptantha Rex Palmer 1979-6-6 N 125 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22119  Cryptantha Rex Palmer 1979-5-27 N 50 Placer Headwaters basin area of the North Fork of the American River 1889 Comment
  JEPS111180  Cryptantha affinis Steve Matson 2005-6-19 1304 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  UC572583  Cryptantha affinis G. T. Nordstrom 1934-6-19 110 Placer 0.5 mi ne mouth of Monumental Creek; Tahoe National Forest 1371 Comment
  UC1212055  Cryptantha echinella Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 2133 Comment
  SD62073  Cryptantha flaccida Darley F. Howe 1965-5-20 4056 Placer 3.5 miles north of Auburn 455 Comment
  OBI20818  Cryptantha torreyana Robert F. Hoover 1967-9-7 10861 Placer Antone Meadow Comment
  SJSU13929  Cryptantha torreyana N. A. Hopkins 1986-7-21 1365 Placer Martis Valley 3 mi SE of Truckee Comment
  CAS-BOT-BC224540  Cuscuta californica Katharine Brandegee 1917-8-1 s.n. Placer Cisco Comment
  JEPS59470  Cuscuta californica Ezra Brainerd and Viola B. Baird 1915-7-25 211 Placer Deer Park Road Sierra Nevada Mts. 1920 Comment
  UCD150751  Cuscuta suksdorfii James A. Neilson Jr. 1971-8-31 2553 Placer Tahoe Basin, Blackwood Creek. 2133 Comment
  SCFS1195  Cymopterus terebinthinus E. Krimmel 2014-4-21 Placer Pt. Mariah Comment
  SACT000827  Cynodon dactylon D. Meyer 1984-5-28 Placer Next to orchard. 206.0 Comment
  CDA12009  Cynoglossum grande G. F. Hrusa 1995-5-2 12190 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  RSA537487  Cynoglossum grande Barbara Ertter, David M. Thompson 1989-4-9 8176 Placer Shirttail Canyon Road 2.4 miles from Dipper Road, ca 5 air miles NW of Foresthill. 610 Comment
  JEPS99470  Cynoglossum occidentale Steve Matson 1998-8-21 380 Placer Tahoe Vista, 200 m SW of western terminus of North Ave. Tahoe Basin, Snow Creek watershed Comment
  CAS-BOT-BC190357  Cynosurus echinatus Saichi Kawahara 1969-7-6 1415 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  SACT000847  Cynosurus echinatus Josephine Van Ess 1976-4-26 Placer Collected near top of hill 1 mile south of Rocklin Road in lightly shaded bank. 182.9 Comment
  SACT000851  Cynosurus echinatus Michael Baad 1983-5-5 Placer On Yankee Jim Road. South side of River. Comment
  UCR218221  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16388 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR233191B  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17681 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CAS-BOT-BC114549  Cyperus eragrostis W. R. Dudley 1909-8-13 s.n. Placer Field near Little York Comment
  CAS-BOT-BC114263  Cyperus esculentus Peter H. Raven 1954-8-27 7960 Placer Week in an orchard, Penryn. 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
  UC615527  Cystopteris fragilis Beryl O. Schreiber 1934-7-4 1183 Placer 6 mi e Lookout Comment
  SD237422  Cytisus scoparius G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15930 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 156 Comment
  UCD34291  Cytisus scoparius Beecher Crampton 1978-9-18 9667 Placer Placer County, Secret Town, Magra road offramp, Hwy. 80. Comment
  CAS-BOT-BC190500  Dactylis glomerata Marcus E. Jones 1882-6-27 3283 Placer Emigrant Gap. Comment
  SACT000867  Dactylis glomerata Michael Baad 1977-6-2 Placer End of road. 8.5 miles southwest of junction of Deadwood and Forest Hill Divide Road. 666.0 Comment
  SACT000865  Dactylis glomerata J. Sitts 1983-7-30 Placer 0.3 mile west of campground on road to Barker Peak Comment
  RSA21281  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  SACT000885  Danthonia californica var. americana Michael Baad 1983-8-27 Placer 2072.64 Comment
  UCD60504  Danthonia californica var. americana Beecher Crampton 1964-7-21 7117 Placer 1/2 mile WNW of Cisco Grove, US Hwy. 40. 1706 Comment
  UCD60962  Danthonia californica var. americana Beecher Crampton 1964-7-21 7118 Placer 1/2 mile WNW of Cisco Grove, U.S. Hwy. 40. 1706 Comment
  UCD60963  Danthonia californica var. americana August L. Hormay 1932-7-7 s. n. Placer Upper Truckee River. Comment
  UCD61005  Danthonia californica var. americana August L. Hormay 1932-7-7 Placer Upper Truckee River. Comment
  UCD102615  Darmera peltata A. S. Crafts 1926-5-1 803 Placer American River Canyon Comment
  SEINET6647468  Dasiphora fruticosa P. B. Kennedy, S. B. Doten 1901-8-10 275 Placer Summit of Tinker Knob. Comment
  UC467716  Delphinium andersonii Mrs. M. M. Hardy 1893-1 Placer Comment
  SD81065  Delphinium depauperatum Darley F. Howe 1971-7-3 4763 Placer Hillside near Truckee River, 8 miles south of Truckee 1829 Comment
  UCD22179  Delphinium glaucum Beth Lowe Corbin 1982-8-17 356 Placer 3 miles WSW of The Cedars. NW facing slope, 20% incline. Ocassional. Partial sun. In wet soil along stream in white fir forest. Herb 4-5 ft tall, flowers purple. 1920 Comment
  CAS-BOT-BC8825  Delphinium gracilentum Miss Francis Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  JEPS23399  Delphinium gracilentum Leland S. Smith 1925-6-3 1619 Placer Yankee Jims, on Forest Hill divide, about 2 miles due west of Forest Hill; Tahoe National Forest 1584 Comment
  LA207408  Delphinium hansenii H. Lewis; Carl Epling 1941-5-24 sn Placer Auburn Comment
  CAS-BOT-BC116089  Delphinium nuttallianum Betty J. jorgensen 1944-7-23 529 Placer Near Soda Springs Comment
  CAS-BOT-BC116092  Delphinium nuttallianum Alice Eastwood 1909-1-1 54 Placer Lake Tahoe region, Sunnyside. Comment
  UC854105  Delphinium nuttallianum Lewis S. Rose 1939-6-5 39214 Placer meadow near Emigrant Gap; Bear Valley 1371 Comment
  UCD22181  Delphinium nuttallianum Rex Palmer 1979-6-20 N 281 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC116437  Delphinium patens subsp. patens L. S. Smith 1927-8-5 2154 Placer Robertson Flat, Forest Hill 2346 Comment
  CHSC24727  Delphinium patens subsp. patens T. C. English 1976-4-18 37 Placer N. Fork American River, 100 yds. S. Hwy 49 1 mi. E. Auburn City Limits. Comment
  SBBG2319  Dendromecon rigida N. F. Sommer 1954-5-19 98 Placer Hwy 40, 2.1 mi E of Colfax Comment
  UC112865  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer Magra R. R. Station Comment
  SEINET5339596  Dendromecon rigida L. Miller 1934-4-29 s.n. Placer Along highway, above Auburn. Comment
  SACT000904  Deschampsia cespitosa D. Meyer 1984-9-23 Placer Rocky creekbed, very wet. 1939.0 Comment
  UCD75968  Deschampsia cespitosa Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5250 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CAS-BOT-BC198145  Deschampsia danthonioides L. R. Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  SACT000912  Deschampsia danthonioides Michael Baad 1983-7-1 Placer Road east of Lake Putt from Blue Canyon exit at I80. 1615.44 Comment
  SACT000921  Deschampsia danthonioides Michael Baad 1983-7-1 Placer Collected on road .4 miles beyond airport road on road from I80 to Blue Canyon. 1584.96 Comment
  UCD35461  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer Placer County; 2 miles north of Lincoln. Comment
  JEPS103531  Deschampsia elongata Lowell Ahart 2002-7-22 9920 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
  SACT000932  Deschampsia elongata Michael Baad 1976-7-22 Placer Ascent of south-facing slope of Peak from trail to crest. Red fir forest and meadows. 2377.0 Comment
  SACT000955  Deschampsia elongata D. Meyer 1983-10-22 Placer From the base of Searchlight chairlift to the base of Olympic Lady chairlift downhill ski lift area. 2121.0 Comment
  SACT000957  Deschampsia elongata D. Meyer 1984-8-12 Placer 11.2 km from French Meadows, very wet somewhat boggy and grazed wooded area. 1612.0 Comment
  UCD43187  Deschampsia elongata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 556 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 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
  CHSC91782  Descurainia californica G. F. Hrusa; J. Glazner 2000-7-1 15618 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
  CAS-BOT-BC40912  Descurainia incana A. A. Heller 1917-8-13 12911 Placer Near Summit hotel. 2133 Comment
  UCR270996  Descurainia incana John F. Emmel 2002-6-23 1757 Placer Sierra Nevada Mountains, northern Lake Tahoe region, Middle Martis Creek 2195 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
  JEPS111246  Descurainia sophia Steve Matson 2005-6-11 1263 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreation Area; SW of Parking Area; 339.2950 N, 120.1420 W; Elevation 5850 ft. 1783 Comment
  UCSC000321  Descurainia sophia Harriet A. Walker 2010-6-19 2139 Placer Truckee, in the street Truckee Comment
  CAS-BOT-BC43414  Descurainia sophia D. Mitani 1975-5-7 s.n. Placer Dick Phillips property, P.O. Box 805, Colfax. Comment
  CDA24609  Dicentra formosa G. M. Cole 1928-5-2 Placer Near Auburn. 0 Comment
  SD113852  Dicentra formosa Darley F. Howe 1948-5-22 1828 Placer 1219 Comment
  UCD23418  Dicentra formosa Alan B. Chan 1977-5-28 34 Placer Purple flowers, bilabiate corolla, in part shade. Collected 20 miles NE of the Auburn Forest Hill Bridge on Auburn Forest Hill Road towards Michigan Bluff. Mixed evergreen forest. Comment
  CAS-BOT-BC402451  Dicentra formosa subsp. formosa Marcus E. Jones 1882-6-28 3302 Placer Emigrant Gap Comment
  UCD22166  Dicentra uniflora Rex Palmer 1979-6-21 N 359 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET5339625  Dicentra uniflora P. A. Lehenbauer 1931-4-22 1494 Placer Above Carnelian Bay. Comment
  RSA20900  Dichelostemma capitatum subsp. capitatum Carl B. Wolf 1937-3-30 8363 Placer Sacramento Valley. 2 miles N of Lincoln. 53 Comment
  UCR234214  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17172 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  RSA333559  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 38 Placer W side of Sierra College Blvd, 1.1 mile S of English Colony Road intersection. 560 Comment
  SEINET8472275  Dichelostemma capitatum subsp. capitatum W. D. Billings 1939-3-19 1196 Placer 7 miles NW of Auburn. Comment
  SEINET8472352  Dichelostemma capitatum subsp. capitatum R. Adamson, M. Martin 1964-3-21 s.n. Placer Along the American River, ca 4 miles S of Auburn. 457 Comment
  SEINET8475403  Dichelostemma capitatum subsp. capitatum L. Munker 1962-1 49 Placer Hwy 40, 10 miles W of Auburn. 396 Comment
  SEINET8476488  Dichelostemma capitatum subsp. capitatum A. Beninghoff 1930-3-15 2034 Placer 5 miles S of Lincoln. Comment
  UCD164648  Dichelostemma congestum Brandi Sorensen 1995-5-12 5 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UCR233241  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17691 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  CAS-BOT-BC502639  Dichelostemma multiflorum Marcus E. A M Jones 1882-6-30 3514 Placer Emirgrant Gap Comment
  JEPS40711  Dieteria canescens var. shastensis Miss Helen D. Geis Jun 1 1912-Jul 1 1912 173 Placer Deer Park Comment
  UCR258182  Digitaria sanguinalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20039 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CHSC3158  Diosma ericoides Gary Dutton 1966-4-29 179 Placer Found 228 Donner Ave. Roseville. Comment
  SBBG66700  Diplacus torreyi M. N. Ackley -Jun-1925 1056 Placer Dutch Flat 1033 Comment
  CAS-BOT-BC151675  Diplacus torreyi W. R. Dudley 1909-8-8 s.n. Placer South Yuba River Comment
  CAS-BOT-BC151680  Diplacus torreyi Alice Wills 1899-6-1 s.n. Placer Unspecified Comment
  CAS-BOT-BC151380  Diplacus tricolor Mrs. H. C. Cantelow 1940-5-13 s.n. Placer 6 mi. S.E. of Wheatland Comment
  CDA19576  Disporum hookeri M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 226 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
  POM109259  Disporum hookeri var. hookeri Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  SEINET6744632 Image available Disporum trachyandrum Marcus E. Jones 1882-1 Placer Emigrant Gap Comment
  UCD54324  Dittrichia graveolens A. M. Shapiro 2005-10-5 s.n. Placer Colfax. 682 Comment
  RSA20894  Dodecatheon clevelandii subsp. patulum Carl B. Wolf 1937-3-30 8357 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  UCD80684  Dodecatheon clevelandii subsp. patulum CNPS SN Foothill Team 2005-4-11 SNFN 0103 c 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
  SEINET8561467  Dodecatheon clevelandii subsp. patulum A. Beninghoff 1930-3-18 2586 Placer 5 miles E of Lincoln. Comment
  UC1561214  Dodecatheon hendersonii Barbara Ertter with David Thompson 1989-4-9 8179 Placer ca 5 air mi nw Foresthill (Shirttail Canyon Road 2.4 mi from Dipper Road); nw of Forestville, Shirttail Canyon Road 609 Comment
  UCR198045  Dodecatheon hendersonii Phyllis Adams 1982-4-20 10 Placer American River Canyon near the town of Auburn 396 Comment
  JEPS14260  Dodecatheon hendersonii Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-20 5626 Placer 1 mi above (e) Dutch Flat; above (e of) Dutch Flat 1066 Comment
  JEPS126262  Dodecatheon jeffreyi Steve Matson 2000-7-6 277 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; 600 meters north of Highway 267, east of Martis Creek along east fork of Martis Creek. Comment
  JEPS126369  Downingia montana Steve Matson 2003-6-29 816 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
  JEPS108453  Downingia ornatissima var. ornatissima Lisa Schultheis 1995-5-22 168 -95 Placer MacClelland Air Force Base Lincoln antennae site. N of Sacramento. N of Moore Rd. and W of Dowd Rd. Comment
  JEPS43776  Downingia ornatissima var. ornatissima Lynn Gould 1962-4-17 54 Placer 6 mi w Roseville (on P.F.E. Road) Comment
  CAS-BOT-BC41754  Draba densifolia C. F. Sonne 1882-7-30 14 Placer Sierra Nevada Mountains. Mount Stanford. 2743 Comment
  CAS-BOT-BC41935  Draba reptans Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap. Comment
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Sep 29 2017
  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
  SD243155  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2010-8-14 16777 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. Wet area shaded by a rock bank. 1552 Comment
  UCD22031  Draperia systyla Beth Lowe Corbin 1982-8-11 316 Placer 1 2/3 miles SW of Onion Creek campgound. Mostly shade. SE facing slope, 30% incline. Uncommon. Mostly shade. Low, spreading perennial. Flowers whitish. In rocky, fine, sandy soil. 1889 Comment
  JEPS127451  Drymocallis glandulosa var. glandulosa Steve Matson 2003-6-22 812 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Pinenut Ave. Comment
  UC70337  Drymocallis lactea C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  LA83941  Drymocallis lactea var. lactea O. H. Kappler; 1946-7-18 1320 Placer Lake Tahoe 1920 Comment
  SEINET6409454  Dryopteris arguta H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River Comment
  CAS-BOT-BC113798  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  UCD98834  Dysphania pumilio A. M. Shapiro 1987-10-16 s.n. Placer Southern Pacific Right-of-way. 2103 Comment
  SACT001038  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-7-8 Placer Collected .25 miles north of Roseville Waterworks. Moist ditch. Comment
  UCD61168  Echinochloa oryzicola Joel Kitzmiller 1976-6-24 Placer Pleasant Grove. Comment
  UC2050341  Echinocystis lobata Miss E. M. Truman 1917-1 Placer Cisco, Placer co Comment
  UC838775  Eleocharis acicularis Ira L. Wiggins 1933-8-21 6787 Placer shores of lake near Tahoma; Lake Tahoe Comment
  CDA33192  Eleocharis acicularis G. D. Barbe 1977-7-2 Placer At water s edge, shallow arm of Martis Creek Lake, Day Use area, south of Truckee-Tahoe airport. Comment
  UCD43215  Eleocharis acicularis var. bella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 584 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC113376  Eleocharis engelmannii Catherine Best 1984-8-11 1032 Placer South Campground, Camp Far West Reservoir. 91 Comment
  CAS-BOT-BC113378  Eleocharis engelmannii A. A. Heller 1917-8-12 12874 Placer Southern Pacific reservoir W of Emigrant Gap. Comment
  CAS-BOT-BC112912  Eleocharis macrostachya Saichi Kawaha 1969-7-6 1432 Placer Swing near old cabin, east bank of Indian Creek, Mel Henderson Ranch. 999 Comment
  POM313072  Eleocharis palustris Malcolm A. Nobs, S. Galen Smith 1949-8-21 1508 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe 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
  CAS-BOT-BC197352  Elymus W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  SACT001072  Elymus elymoides subsp. californicus James Grove 1977-7-15 Placer 2000.0 Comment
  SEINET4134789  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax.; 0 762 Comment
  UC1132964  Elymus elymoides subsp. elymoides N. French 1934-6-21 430 Placer Kid Lake Tahoe National Forest, Truckee Quadrangle (nw end) 2011 Comment
  RSA604108  Elymus glaucus Eric Brenner, John Hunter 1996-5-26 10 Placer Tahoe national Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon 570 Comment
  SACT001084  Elymus glaucus D. Meyer 1983-8-7 Placer Along east bank of Truckee River 1879.0 Comment
  SACT001092  Elymus glaucus D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT001102  Elymus glaucus Michael Baad 1976-6-17 Placer Royal Gorge-Wobena Creek to Wildcat Canyon. Collected in flood plain. Comment
  SACT001114  Elymus glaucus Michael Baad 1976-8-7 Placer 2072.0 Comment
  SACT001134  Elymus glaucus Michael Baad 1977-6-21 Placer 685.0 Comment
  UC1137021  Elymus glaucus August L. Hormay 1932-7-8 Placer 3 mi s Tavern (w side of lake); Lake Tahoe Comment
  UCD62278  Elymus glaucus Beecher Crampton 1955-6-15 2903 Placer Roadside, Yankee Jim's. 807 Comment
  SEINET12748558  Elymus glaucus var. glaucus C. Casebolt 1965-10-10 s.n. Placer Squaw Valley. 2134 Comment
  UCD62569  Elymus repens Tim Morgan 1999-7-19 PDR- 122364 6 Placer At Green Thumb Landscaping, 2865 Hillcrest Ave., Tahoe City. Comment
  SACT001148  Elymus sierrae Michael Baad 1976-7-21 Placer Ridge at the tree line west north west of Lyon Peak and north-facing slope at crest of Lyon Peak, cinders and basaltic boulders. 10 miles southeast of Soda Springs. 2377.0 Comment
  CDA31731  Elymus trachycaulus Jim Jokerst 1986-7-13 2709 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, stop along trail south of Middle Fork American River. 0 Comment
  CHSC68068  Elymus trachycaulus subsp. subsecundus James D. Jokerst 1986-7-12 2687 Placer Trial from The Cedars, high Sierra Nevada SW of Donner Lake, on N side of river. Comment
  SEINET7293676 Image available Elymus trachycaulus subsp. subsecundus Beecher Crampton 1955-1 2895 Placer Slopes of Shirttail Canyon, 6.5 miles west of Iowa Hill. 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
  CHSC74340  Elymus trachycaulus subsp. trachycaulus Susi Urie 1998-9-2 98 -212 Placer Lake Tahoe Basin-National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 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
  UCR218123  Epilobium George K. Helmkamp, E. A. Helmkamp 2010-6-26 16392 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCD150582  Epilobium campestre James A. Neilson Jr. 1971-8-13 2332 Placer Tahoe Basin, Lagoon road, Homewood. 1914 Comment
  RSA448503  Epilobium canum subsp. latifolium Fay A. MacFadden 1934-8-10 12837 Placer Cisco. Comment
  UCD21986  Epilobium canum subsp. latifolium Beth Lowe Corbin 1982-8-11 319 Placer 1 2/3 mile SW of Onion Creek campground. 1905 Comment
  UCD33849  Epilobium canum subsp. latifolium Beecher Crampton 1973-10-2 9024 Placer 2 miles west of Kingvale on Highway 80 westbound. 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
  SEINET12867343  Epilobium ciliatum subsp. ciliatum P. A. Lehenbauer 1933-8-6 2449 Placer Lake Tahoe near Homewood Comment
  SEINET12874268  Epilobium ciliatum subsp. ciliatum L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  CHSC73678  Epilobium ciliatum subsp. glandulosum L. P. Janeway; Eric Schroder 1998-9-16 6335 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
  CHSC82651  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2002-7-22 9891 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
  UCD44519  Epilobium ciliatum subsp. glandulosum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1885 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA15988  Epilobium densiflorum G. F. Hrusa, J. Glazner 1999-7-17 15168 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR202651  Epilobium densiflorum George K. Helmkamp 1999-6-29 5056 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  POM192603  Epilobium glaberrimum subsp. glaberrimum Helen D. Geis 130 -a Placer Deer Park. Comment
  CHSC74851  Epilobium hallianum Susi Urie; Eric Schroder 1998-9-10 98 -320 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD43332  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 700 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD22091  Epilobium obcordatum Rex Palmer 1979-7-25 N 671 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET12861533  Epilobium obcordatum W. D. Billings 1951-8-21 2145 Placer Sierra Nevada, Squaw Peak 2591 Comment
  UCD75768  Epilobium oregonense Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5240 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  JEPS127507  Epilobium torreyi Steve Matson 2000-6-20 472 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek Comment
  CDA40869  Epilobium torreyi D. Joley 1995-6-12 Placer Dry Creek Road, I-80 east of Auburn near Applegate. 0 Comment
  SBBG198  Equisetum X ferrissii E. R. Blakley 1960-9-2 3806 Placer mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  CAS-BOT-BC56942  Equisetum arvense Margaret Williams 1974-8-8 74 -P1-6 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CAS-BOT-BC56949  Equisetum arvense Saichi Kawahara 1969-5-25 909 Placer Henderson Ranch, Indian Creek 987 Comment
  CHSC73128  Equisetum arvense L. P. Janeway; Eric Schroder 1998-9-16 6334 Placer Lake Tahoe Basin Management Unit. About half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  UCR171400  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9965 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 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
  CHSC97723  Eragrostis Lowell Ahart 2007-11-13 14599 Placer East side of a shallow ditch, on the west side of Camp Far West Road, at the north edge of the town of Sheridan. 35 Comment
  JEPS115070  Eragrostis Lowell Ahart 2007-11-13 14599 Placer East side of a shallow ditch, on the west side of Camp Far West Road, at the north edge of the town of Sheridan 35 Comment
  UCD64183  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
  UCD22162  Eremogone kingii var. glabrescens Beth Lowe Corbin 1982-8-4 239 Placer 1 1/2 mile NNW of Onion Creek Camground. E facing slope, 40% inclination. Uncommon. Full sun. Subalpine talus slope. Plant forming loose mat. Flowers white. 2286 Comment
  UCD75749  Eremogone kingii var. glabrescens Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5215 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
  CDA4631  Ericameria arborescens T. C. Fuller 1962-9-2 9622 Placer Hwy 40 to Auburn, 2.5 miles west of Weimer. 0 Comment
  CAS-BOT-BC286640  Ericameria bloomeri L. R. Abrams 1929-9-14 12162 Placer Homewood, west shore Lake Tahoe Comment
  CAS-BOT-BC286643  Ericameria bloomeri L. R. Abrams 1917-9-11 6776 Placer Truckee Comment
  UC1119825  Ericameria nauseosa var. speciosa G. F. Burks 1934-9-14 43 Placer Truckee River Tahoe National Forest, Truckee Quadrangle, Truckee River 1828 Comment
  OBI20158  Erigeron aliceae David J. Keil 1978-7-23 12925 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  RSA39963  Erigeron barbellulatus J. T. Howell 1943-7-21 18666 Placer Mt. Lincoln. Comment
  CAS-BOT-BC294522  Erigeron breweri var. breweri Alice Eastwood 1909-1-1 100 Placer Lake Tahoe Region. Sunnyside Comment
  JEPS71582  Erigeron compositus Gladys L. Smith 1972-6-20 3212 Placer on open plateau about terminus Summit chairlift; Ward Peak 2621 Comment
  CDA15665  Erigeron coulteri G. F. Hrusa, J. Glazner 1999-7-18 15208 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC73013  Erigeron coulteri L. P. Janeway 1998-8-6 5961 Placer LLake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 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-BC300671  Erigeron foliosus var. hartwegii Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  SD112284  Erigeron foliosus var. hartwegii Darley F. Howe 1965-5-21 4062 Placer Mouth of canyon on south side of north fork of American River near Forest Hill. 305 Comment
  CAS-BOT-BC300814  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12916 Placer Ridge northwest of Donner Pass 2377 Comment
  CAS-BOT-BC300818  Erigeron glacialis var. glacialis John H. Thomas; Hazelle A. Thomas 1956-7-21 6111 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD74029  Erigeron glacialis var. glacialis Jennifer W. Burt; Sarah Shannon 2005-7-8 103 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  UCD74030  Erigeron glacialis var. glacialis Jennifer W. Burt 2005-7-16 108 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from coniferous forest near abandoned ski runs. 1947 Comment
  CAS-BOT-BC300816  Erigeron glacialis var. glacialis John Thomas Howell 1925-7-6 1395 Placer Trail to top of Mt. Tallac, Lake Tahoe region Comment
  CAS-BOT-BC300825  Erigeron glacialis var. glacialis C. F. Sonne 1886-7-25 364 Placer Sierra Nevada Mts. On Mt. Stanford Comment
  CAS-BOT-BC295203  Erigeron inornatus A. A. Heller 1916-8-13 12895 Placer Summit Station 2133 Comment
  UCD131984  Erigeron inornatus F. A. MacFadden 1934-8-10 s.n. Placer Cisco. Comment
  UCD72516  Erigeron inornatus A. M. Shapiro 2008-8-1 s. n. Placer Vic. of Soda Springs (Donner Pass). 2112 Comment
  JEPS126420  Erigeron inornatus var. inornatus Steve Matson 1998-8-15 371 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  JEPS15643  Erigeron inornatus var. inornatus Rimo Bacigalupi with Aldo Bacigalupi 1952-8-15 3921 Placer along U.S. Highway No. 40, 3 mi e Emigrant Gap 1676 Comment
  RSA72862  Erigeron inornatus var. inornatus A. Kellogg, W. G. W. Harford 1868-1 170 Placer Cisco, Sierra Nevada Comment
  CAS-BOT-BC295527  Erigeron miser John H. Thomas; Hazelle A. Thomas 1956-7-21 6222 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  JEPS41444  Erigeron miser C. F. Sonne 1887-8-21 156 Placer above Donner Lake; Sierra Nevada Mountains Comment
  POM40200  Erigeron peregrinus Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. 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
  CAS-BOT-BC216230  Eriodictyon californicum Saichi Kawahara 1969-5-24 834 Placer Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest 1139 Comment
  POM260423  Eriodictyon californicum C. L. Hitchcock 1940-5-14 6376 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC1124311  Eriodictyon californicum C. R. Clar 1933-6-6 131 Placer near Rattlesnake Bridge; Sacramento Quad., near Rattlesnake Bridge Comment
  UCD119254  Eriodictyon californicum D. H. Hartmann 1941-6-8 s.n. Placer E. of Auburn, along U.S. #40. 914 Comment
  CAS-BOT-BC255404  Eriogonum Saichi Kawahara 1969-7-6 1473 Placer Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest 1139 Comment
  JEPS72790  Eriogonum incanum Gladys L. Smith 1972-6-20 3254 Placer slope just below Ward Peak summit 2628 Comment
  UC615468  Eriogonum luteolum var. pedunculatum Beryl O. Schreiber 1932-9-11 760 Placer near Colfax Comment
  UC634591  Eriogonum luteolum var. pedunculatum H. L. Mason 1929-10-4 5454 Placer 2.4 mi below Weimar Comment
  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
  UC1334173  Eriogonum luteolum var. pedunculatum Thomas Morley 1946-9-28 818 Placer near electric pole line 1 1/2 mi nne Alta; Sierra Nevada 1188 Comment
  UC1032133  Eriogonum marifolium N. French 1934-5-24 261 Placer N Fork, N Fork American River Tahoe National Forest, Colfax Quadrangle, N Fork, N Fork Ame Comment
  CAS-BOT-BC263290  Eriogonum marifolium var. marifolium Alice Eastwood 1909-1-1 258 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC263293  Eriogonum marifolium var. marifolium James L. Reveal 1971-6-24 2479 Placer Truckee, between the High School and the baseball diamonds Comment
  CDA24997  Eriogonum nudum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  CAS-BOT-BC264812  Eriogonum nudum var. deductum Catherine Best 1981-8-1 s.n. Placer Big Meadow about 3 miles south of French Meadows, Sierra Nevada 1600 Comment
  UCD100570  Eriogonum nudum var. deductum G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12636 Placer Northern Sierra Nevada Mountains, southeast end of Cisco Grove, along local road just before it passes under Interstate-80. 1744 Comment
  UCD22132  Eriogonum nudum var. deductum Rex Palmer 1979-7-11 N 592 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR189628  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12636 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCR231841  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16788 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  SD248478  Eriogonum nudum var. oblongifolium George K. Helmkamp, Elizabeth A. Helmkamp 2012-9-25 19916 Placer Northern Sierra Nevada Mountains: junction of Nyack Road and I-80 in the Emigrant Gap area (Blue Canyon 7.5'Q) 1652 Comment
  CHSC67681  Eriogonum ovalifolium var. purpureum James D. Jokerst 1986-7-13 2731 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  CAS-BOT-BC258136  Eriogonum prattenianum var. prattenianum D. L. Smith; G. L. Stebbins 1976-7-3 C 7678 Placer Northwest side of Ralston Ridge, above Middle Fork American River, just east of Big Crater 1249 Comment
  CAS-BOT-BC258138  Eriogonum prattenianum var. prattenianum G. L. Stebbins 1970-7-19 7063 Placer Above North Fork of Middle Fork, American River, 2 miles northeast of Last Chance 1341 Comment
  UC84513 Image available Eriogonum rosense C. F. Sonne 1886-7-18 Placer Truckee River Sierra Nevada Mountains, Head of Squaw Valley, Truckee River Comment
  CAS-BOT-BC269934  Eriogonum spergulinum var. reddingianum A. A. Heller No date on label 12894 Placer Summit Station 2121 Comment
  CAS-BOT-BC269941  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  CHSC73062  Eriogonum spergulinum var. reddingianum L. P. Janeway 1998-8-6 5985 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. Large, dry, open, gravelly area on the upslope side of the meadow. 1938 Comment
  POM263683  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Sandy flats in open forest of Pinus ponderosa and Abies concolor, Chambers Lodge (Mc Kinney), Lake Tahoe. 1900 Comment
  UCD22127  Eriogonum umbellatum var. covillei Rex Palmer 1979-6-21 N 404 Placer Headwaters basin area of the North Fork of the American River 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
  CHSC67683  Eriogonum umbellatum var. nevadense James D. Jokerst 1986-7-13 2714 Placer Trail from The Cedars, SW of Donner Lake, stop along trail S of Middle Fork American River, on bedrock. 1859 Comment
  JEPS111107  Eriogonum umbellatum var. nevadense Steve Matson 2005-7-16 1399 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
  SEINET9292443  Eriogonum umbellatum var. nevadense Unknown 2000-7-1 15632 Placer Summit Village, Truckee Comment
  CAS-BOT-BC262173  Eriogonum umbellatum var. torreyanum Charlotte Pyle 1978-8-9 s.n. Placer East side of Silver Peak about 1.5 miles northwest of Squaw Valley 2438 Comment
  UCD101503  Eriogonum umbellatum var. torreyanum Charlotte Pyle 1978-8-9 s.n. Placer east side of Silver Peak, about 1.5 miles northwest of Squaw Valley. 2346 Comment
  POM105127  Eriogonum ursinum Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  RSA793116  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  UC569819  Eriogonum ursinum B. Bolt 1934-7-16 121 Placer 1 1/4 mi se mouth of Serena Creek; Truckee Quadrangle 2042 Comment
  JEPS56105  Eriogonum wrightii var. subscaposum Leland S. Smith 1925-1-1 1733 Placer Truckee River drainage Tahoe National Forest, Truckee River drainage Comment
  RSA789733  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  UCR194950  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-5-18 12021 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  CAS-BOT-BC301310  Eriophyllum lanatum var. croceum M. E. Jones 1882-6-30 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC301412  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 miles east of Colfax Comment
  RSA757089  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15198 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  SJSU3619  Eriophyllum lanatum var. grandiflorum C. W. Sharsmith 1962-5-27 6910 Placer near Clipper Gap c. 6 mi N of Auburn on Donner Summit Rd (Hwy 40) 512 Comment
  UC194928  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer near Rocklin; east side Sacramento Valley 121 Comment
  UC31785  Eriophyllum lanatum var. grandiflorum C. F. Sonne 1891-5-17 17 Placer below Auburn; Sierra Nevada Mountains Comment
  POM118174  Eriophyllum lanatum var. grandiflorum H. M. Hall, F. M. Essig 1916-6-5 10156 Placer Bear River, northern Placer County, on the westerly slope of the Sierra Nevada 450 Comment
  UC198956  Eriophyllum lanatum var. grandiflorum H. M. Hall and F. M. Essig 1916-6-5 10156 Placer Bear River westerly slope Sierra Nevada, Bear River 450 Comment
  JEPS111297  Eriophyllum lanatum var. integrifolium Steve Matson 2005-7-30 1423 Placer Squaw Valley ski area, about 1 km west of High Camp (top of tramway), under Shirley Canyon chairlift upper terminal: 39.1942 N, 120.2721 W ; elevation 8,100 ft. 2468 Comment
  UC31786  Eriophyllum lanatum var. integrifolium C. J. Fox Jr. 1895-7-1 Placer near Squaw Peak Comment
  CDA36888  Erodium cicutarium CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCD103238  Erodium cicutarium Terri Williamson 1990-4-15 7 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  CHSC84565  Eryngium castrense John Dittes 2003-5-25 2003 -30 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
  SEINET5779527 Image available Eryngium pinnatisectum Marcus E. Jones 1882-1 3602 Placer Auburn Comment
  UC764564  Eryngium vaseyi R. F. Hoover 1938-7-30 3710 Placer 4 mi. e. Loomis Comment
  SEINET5784017 Image available Erysimum capitatum Marcus E. Jones 1882-1 2620 Placer Emigrant Gap Comment
  UC147629  Erysimum capitatum Harriet A. Walker 1908-6-24 1260 Placer Blue Canyon 1432 Comment
  UC856275  Erysimum capitatum Marcus E. Jones, A. M. 1882-6-28 2620 Placer Emigrant Gap Comment
  UCD83645  Erysimum capitatum Albert Grigarick 2009-9-10 198 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  UCR246830  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16653 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UC1034896  Erysimum perenne G. B. Rossbach 1940-6-2 933 Placer gentle slope near nw shore Lake Tahoe 1981 Comment
  OBI53986  Erythranthe arvensis Barbara Ertter, David Thompson 1989-4-8 8173 Placer Iowa Creek Rd ca 2 mi from I-80 near entrance to Auburn State Recreaton Area, at crk crossing 518 Comment
  CHSC89289  Erythranthe bicolor G. F. Hrusa; M. I. Wibawa, J. Glazner 2002-5-22 16049 Placer Sierra Nevada. Hughes Mill (site) above Foresthill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  SEINET8409826  Erythranthe breweri H. M. Hall 1910-6-22 8704 Placer Cisco; in the Transition Zone. 1800 Comment
  CAS-BOT-BC438819  Erythranthe guttata George K. Helmkamp; Mary Alice Barnes 2013-4-18 20377 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
  CAS-BOT-BC153593  Erythranthe moniliformis F. Almeda 1993-7-25 7299 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  SEINET3836910 Image available Erythranthe moschata Marcus E. Jones 1897-1 Placer Diamond Mt., Susanville, Perkin's Ranch 2 Comment
Read comments
Jan 10 2016
  UCD95313  Eschscholzia caespitosa G. K. Helmkamp; Elizabeth Helmkamp 2006-4-13 10198 Placer Northern Sierra Nevada Foothills; Forest Hill Road, 2.5 miles east of its junction with CA Hwy 49. North side of the middle fork of the American River. NE Auburn. 274 Comment
  OBI54932  Eschscholzia caespitosa Kathleen Faustini 1980-5-25 45 Placer Forest Hill Rd 5 mi S of Auburn Comment
  SD113755  Eschscholzia californica Darley F. Howe 1948-5-22 1818 Placer 671 Comment
  SEINET5339919  Eschscholzia californica D. H. Erskine 1941-4-27 1 Placer Roseville. 76 Comment
  UC112927  Eschscholzia californica Katharine Brandegee 1908-6-4 Placer R.R. embankment near Gold Run Comment
  CAS-BOT-BC419538  Eschscholzia lobbii M. S. Baker 1900-2-12 s.n. Placer Near Auburn Comment
  CAS-BOT-BC419541  Eschscholzia lobbii Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 3988 Placer Grass Valley Road 1.4 miles from Auburn 365 Comment
  UC186882  Eschscholzia lobbii C. F. Sonne 1891-4-5 Placer Newcastle-Penryn Comment
  CAS-BOT-BC310370  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer Summit hotel 2133 Comment
  SCFS1155  Eucephalus breweri E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Rocky overlook of falls on trail. Comment
  SEINET4560812  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-1 18164 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2019 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
  RSA27203  Euphorbia crenulata C. L. Hitchcock 1940-5-7 6307 Placer 1 mile west of Baxter. Comment
  SEINET11261856  Euphorbia crenulata George Helmkamp, E. A. Helmkamp 2012-5-11 18943 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.2 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1104 Comment
  UCR123377  Euphorbia maculata George K. Helmkamp, E. A. Helmkamp 1999-6-29 5057 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  UCD39018  Euphorbia nutans Beecher Crampton 1960-11-2 5794 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  UCR257773  Euphorbia nutans George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20036 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CAS-BOT-BC202404  Euphorbia ocellata Gordon H. True 1972-8-23 7409 Placer Northern outskirts of Lincoln Comment
  UCD166848  Euphorbia ocellata subsp. ocellata Robert E. Preston 2016-9-6 3070 Placer Yankee Slough Wetland Preserve, 2.4 mi SE of Sheridan. 37 Comment
  UCR190713  Euphorbia serpillifolia George K. Helmkamp, E. A. Helmkamp 2007-9-14 12952 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  CAS-BOT-BC312162  Eurybia integrifolia Alice Eastwood 1909-1-1 235 Placer Squaw Creek Comment
  OBI48623  Eurybia integrifolia Lewis S. Rose 1938-9-14 38264 Placer S Fork of Yuba River, 3 mi E of Cisco 1737 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
  UC65317  Eurybia integrifolia P. B. Kennedy and S. B. Doten 1901-8-19 419 Placer 7 mi from French Meadows Comment
  UC86935  Eurybia radulina C. F. Sonne 1894-8-1 Placer Truckee, on Truckee River Truckee, Truckee River Comment
  SEINET7249049  Fabaceae George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  UCR190919  Festuca arundinacea George K. Helmkamp, E. A. Helmkamp 2007-5-23 12070 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  SEINET3828571  Festuca bromoides George K. Helmkamp, E. A. Helmkamp 2012-1 18647 Placer Sacramento Valley: along Ca-193, 0.1 mile west of its junction with Sierra College Blvd. (Gold Hill 7.5') 88 Comment
  SACT002493  Festuca megalura Josephine Van Ess 1976-4-14 Placer Sunny roadside slope 91.5 Comment
  SACT001168  Festuca occidentalis Michael Baad 1976-6-17 Placer Flood plain from Wildcat Canyon west to New York Canyon. Comment
  UCR249531  Festuca perennis George K. Helmkamp, Amy Barnes 2013-3-28 20287 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  CHSC74044  Festuca rubra Susi Urie 1998-8-18 98 -074 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SACT001191  Festuca rubra D. Meyer 1983-9-10 Placer West end near parking lot. Moist streambank and meadow. 1879.0 Comment
  SACT001218  Festuca rubra D. Meyer 1984-7-21 Placer on road near golf course. 2000.0 Comment
  SACT001201  Festuca viridula D. Meyer 1983-8-20 Placer From Alpine Meadows Road to summit of trail at first lake steep rocky trail with some moist meadow. 2000.0 Comment
  UC818180  Festuca viridula A. A. Heller 1917-8-14 12926 Placer s of Summit Valley; Mt. Lincoln 2499 Comment
  UCD43377  Festuca viridula C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 745 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD74214  Festuca viridula Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 227 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Central Pacific' ski run. 2196 Comment
  JEPS127516  Fragaria virginiana Steve Matson 1998-6-14 234 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek; north edge of main boggy site. Comment
  CAS-BOT-BC447512  Fragaria virginiana var. platypetala Alice Eastwood 1909-1-1 7 Placer Sunnyside Comment
  UCD33680  Frangula californica Beecher Crampton 1971-10-5 8759 Placer Placer County, Baxter, 2 miles east of Interstate Hwy. 80. 1402 Comment
  CAS-BOT-BC53547  Frangula californica subsp. tomentella W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Comment
  SD10077  Frangula californica subsp. tomentella Brandegee Sept 1888 Placer Dutch Flat Comment
  OBI6090  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
  UCR176279  Fritillaria George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10448 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  CHSC2272  Fritillaria agrestis V. Holt 1937-3-28 Placer Near Lincoln. 51 Comment
  UCD139655  Fritillaria agrestis Lynn Gould 1962-3-31 15 Placer 2 miles west of Roseville on Central Avenue. Comment
  JEPS61888  Fritillaria atropurpurea L. S. Smith 1915-6-19 Placer Squaw Valley near Truckee; Squaw Valley Comment
  UC843881  Fritillaria atropurpurea Lewis S. Rose 1940-6-2 40455 Placer 10 mi n of Tahoe City (Truckee River); Truckee River 1828 Comment
  CAS-BOT-BC504554  Fritillaria atropurpurea G. B. Grant 1906-7-25 s.n. Placer Vicinity of Lake Tahoe Comment
  CAS-BOT-BC504556  Fritillaria atropurpurea Sherman Chickering 1974-1-1 s.n. Placer Near Soda Spring, Plants of the Sierra Nevada Comment
  CAS-BOT-BC504558  Fritillaria atropurpurea Sherman Chickering 1974-7-8 s.n. Placer Near Soda Spring, Plants of the Sierra Nevada 2590 Comment
  SEINET8478891  Fritillaria micrantha A. Urrutia 1960-3-19 s.n. Placer North fork American River 3 miles S of Auburn, Hwy 49, 457 Comment
  UCD44563  Galium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1929 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA36972  Galium aparine CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR193308  Galium aparine George K. Helmkamp, E. A. Helmkamp 2007-5-30 12184 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
  UCR226138  Galium bifolium Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5147 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  UC28189  Galium bifolium Kellogg 1870-6-13 Placer Camp Yuba Sierra Nevada, Cisco Comment
  JEPS59353  Galium bolanderi Ezra Brainerd and Viola B. Baird 1915-7-28 225 Placer along trail up Truckee River Sierra Nevada Mts. 1889 Comment
  UC147652  Galium bolanderi Harriet A. Walker 1908-6-24 1280 Placer Blue Canyon 1432 Comment
  UCR176261  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCR190660  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2007-5-23 12071 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  POM67470  Galium bolanderi Marcus E. Jones 1900-7-26 s.n. Placer Between [Barker?] and Emigrant gap. 1463 Comment
  JEPS26650  Galium sparsiflorum Lauramay T. Dempster 1961-6-14 1443 Placer s-facing slope above Baxter 1188 Comment
  UCSB45738  Galium tricornutum Reisentz, Paul 1979-5-11 Placer Vernal pools; 1 mile south of Sheridan on Highway 65 Comment
  SEINET12562631  Galium trifidum K. Schutz 1972-9-10 s.n. Placer Basin Peak. 2438 Comment
  UCD44530  Galium trifidum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1896 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC56268  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods; Tahoe National Forest, ca. 20 miles NE of Foresthill; Greek Store. 7 1/2 min. Comment
  SJSU4074  Gaultheria ovatifolia C. W. Sharsmith 1965-6-12 7396 Placer Big Tree Grove (6 Sequoiadendron), 10 mi E of Michigan Bluff 1584 Comment
  UCD117439  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods; Tahoe National Forest, ca. 20 miles NE of Foresthill; Greek Store. 7 1/2 min. Comment
  POM294351  Gayophytum Lyman Benson 1947-8-12 12795 Placer Near Emigrant Gap, Sierra Nevada mountain range, American River drainage area 1220 Comment
  UCR240944  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19896 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  CDA15964  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, J. Glazner 1999-7-17 15125 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC147607  Gayophytum diffusum subsp. parviflorum Harriet A. Walker 1908-6-25 1304 Placer Cisco 1810 Comment
  UCR171343  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9988 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR201522  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14013 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UCR229447  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17894 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
  UCR229534  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17859 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  CHSC74242  Gayophytum heterozygum Susi Urie; Eric Schroder 1998-9-8 98 -274 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  OBI12035  Gayophytum heterozygum Robert F. Hoover 1967-9-5 10826 Placer Carnelian bay, Lake Tahoe Comment
  UC422801  Gayophytum heterozygum Martha Brier June 1894 Placer near Fowler; Bear Valley Comment
  UCR257633  Gayophytum heterozygum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19531 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  POM183572  Gayophytum racemosum P. A. Munz 1928-6-25 11092 Placer Tahoe Camp, Lake Tahoe. 2000 Comment
  JEPS72488  Gentiana calycosa Gladys L. Smith 1972-8-25 3439 Placer cirque n-face Granite Chief 2529 Comment
  SEINET12281672  Gentiana calycosa C. F. Sonne 1885-1 s.n. Placer Canon above Coldstran(??) Comment
  SEINET8588377  Gentianopsis simplex P. A. Lehenbauer 1929-8-15 2603 Placer Watson Lake, 4 miles N of Tahoe City. Comment
  CDA37233  Geranium dissectum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CAS-BOT-BC248301  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
  RSA782370  Geranium molle George K. Helmkamp, E. A. Helmkamp 2010-4-23 15910 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  SDSU7348  Geranium solanderi D. F. Howe 1948-5-21 1911 Placer 457 Comment
  JEPS103385  Gilia capillaris Lowell Ahart 2002-7-22 9893 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
  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
  SEINET3860402  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2010-6-26 16408 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 of Applegate.; 0 476 Comment
  UC1123740  Gilia capitata subsp. mediomontana G. T. Nordstrom 1934-6-21 131 Placer 4 mi w by nw Mammoth Springs; Colfax Quad., , Tahoe National Forest Comment
  CHSC96503  Glyceria declinata Lowell Ahart; Brian Williams 2007-4-13 13662 Placer On damp granite soil, 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
  UCD55212  Glyceria declinata John Gerlach 2006-5-6 s.n. Placer Twelve Bridges. Comment
  SACT001253  Glyceria elata Michael Baad 1983-7-23 Placer More than .25 mile on road west of US Highway 89 1828.8 Comment
  JEPS75680  Glyceria grandis W. L. Jepson 1934-8-7 16882 Placer near Squaw Creek Truckee R. Comment
  UCD66739  Glyceria grandis W. L. Jepson 1934-8-7 16882 Placer Truckee River, near Squaw Creek. Comment
Read comments
Feb 25 2011
  POM112751  Glyceria striata Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  RSA0049733  Glyceria striata Dean Wm. Taylor 2013-8-7 21393 Placer Coldstream Valley, just above Horseshoe Bend on the railroad mainline 1889 Comment
  UCR218233  Gnaphalium californicum George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16445 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road on the west side of Iowa Hill Bridge over the North Fork of the American River 345 Comment
  CAS-BOT-BC307370  Gnaphalium palustre Emily K. Mcpherson 1976-9-19 76- 27 -7 Placer 1 mile east of Talbot Campground near Middle Fork American River, Sierra Nevada 1767 Comment
  CAS-BOT-BC307373  Gnaphalium palustre John Thomas Howell 1943-7-19 18583 Placer Summit Valley Comment
  JEPS102474  Gnaphalium palustre Lowell Ahart 2001-10-10 9340 Placer French Meadows Reservoir, near the boat of trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  JEPS126423  Gnaphalium palustre Steve Matson 2003-6-29 821 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards north of Highway 267 and 20 yards west of Martis Creek. Comment
  SD247326  Gnaphalium palustre George K. Helmkamp, E. A. Helmkamp 2012-9-25 19905 Placer Northern Sierra Nevada Mountains: Blue Canyon Road, 1.1 miles south of its intersection with I-80, about 1/2 mile south of Blue Canyon-Nyack Airport. 1473 Comment
  CHSC68032  Gratiola heterosepala James D. Jokerst 1986-4-14 2619 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  CAS-BOT-BC314601  Grindelia hirsutula R. F. Hoover 1965-6-24 9452 Placer 2 mi. N of Auburn on road to Grass Valley (Highway 49) Comment
  UC1118570  Grindelia hirsutula N. French 1933-6-6 74 Placer near Newcastle; Sacramento Quad. Comment
  UCR249616  Grindelia hirsutula var. davyi George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20839 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.1 mile northwest of its junction with Spring Garden Road 738 Comment
  UCD22129  Hackelia micrantha Rex Palmer 1979-6-20 N 282 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC881561  Hackelia nervosa A. A. Heller 1917-8-14 12935 Placer s of Summit Valley; Mount Lincoln 2438 Comment
  UC147633  Hackelia velutina Harriet A. Walker 1908-6-23 1210 Placer Blue Canyon 1432 Comment
  UCD22133  Hackelia velutina Rex Palmer 1979-7-25 N 807 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM359761  Helenium puberulum Wm. Martin 1971-9-10 20238 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  POM260044  Helianthella californica var. nevadensis C. L. Hitchcock 1940-5-14 6392 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  CAS-BOT-BC314783  Helianthella californica var. nevadensis Peter Rubtzoff 1976-9-19 8871 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  RSA123089  Helianthella californica var. nevadensis B. Bolt 1934-7-11 95 Placer Cascade Lakes, Truckee 2043 Comment
  UCD21780  Hemizonella minima Rex Palmer 1979-6-19 N 216 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC173103  Hemizonella minima Katharine Brandegee July 1908 Placer between Gold Run and Cape Horn (Magra) Comment
  RSA453730  Heracleum maximum B. C. Templeton 1931-7-4 1527 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  POM267733  Hesperochiron californicus Lyman Benson 1933-6-26 4546 Placer 4 miles W of Donner Pass, Sierra Nevada, Bear River watershed 1982 Comment
  UC635580  Hesperochiron californicus H. L. Mason 1933-5-28 7241 Placer Tahoe Meadows Comment
  JEPS71478  Hesperochiron pumilus Gladys L. Smith and Betsy Wilson June 1971 3036 Placer 5 mi. w. Lake Tahoe (Alpine Meadows, Ward Peak); Ward Peak, Alpine Meadows 2438 Comment
  SEINET4691682  Hesperolinon micranthum George K. Helmkamp, E. A. Helmkamp 2010-1 16760 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek. 1082 Comment
  UCR231859  Hesperolinon micranthum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16760 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  HSC26678  Heterotheca grandiflora Thomas W. Nelson 1972-11-25 708 Placer Beside Del Oro Rd., near Roseville, CA Comment
  UC87435  Heterotheca villosa var. minor T. S. Brandegee Jul 1889 Placer Donner Comment
  UCR193334  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2007-5-30 12193 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 15 miles east of its junction with Forest Hill Road in Foresthill, south of site of Bake Oven 915 Comment
  SEINET215105  Heuchera micrantha var. erubescens R. W. Cooper 1968-5-18 29 Placer American River Cyn 5 mi W of Foresthill Comment
  SEINET6032143  Heuchera rubescens W. D. Billings 1951-8-21 2147 Placer Near Squaw Peak 2438 Comment
  UCD22321  Heuchera rubescens Rex Palmer 1979-6-19 N 323 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA0063051  Heuchera rubescens var. alpicola Lyman Benson 1933-6-26 4538 Placer Cisco, U.S. 40. Sierra Nevada range, Bear River watershed. 1829 Comment
  UC11368  Heuchera rubescens var. glandulosa Mrs. M. M. Hardy 1893-1 Placer Comment
  CDA42824  Hieracium albiflorum G. F. Hrusa, M. Pitcairn 2015-7-16 18647 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  UCR193311  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12187 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
  UCR250140  Hieracium albiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20812 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  SEINET11259305 Image available Hieracium albiflorum F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  SEINET11259306 Image available Hieracium albiflorum F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  UC464478  Hieracium albiflorum R. M. Holman 1931-8-8 Placer 300 yds w Echo Summit (on Lincoln Hwy above Tahoe); Firs Camp Grounds 2286 Comment
  CAS-BOT-BC319758  Hieracium argutum G. L. Stebbins; J. Hunziker; H. Stutz; D. Zohary 1952-7-20 5134 Placer Along road from Colfax to Forest Hill 1/2 mile south of crossing of American River 304 Comment
  UC1129898  Hoita macrostachya C. R. Clar 1933-6-6 132 Placer near Rattlesnake Bridge; Sacramento Quadrangle Comment
  SACT001292  Holcus lanatus D. Meyer 1983-7-16 Placer 1212.0 Comment
  SEINET9259607  Holcus lanatus George K. Helmkamp, Amy Barnes 2014-1 22817 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with FOresthill Road, 8.4 km west of Foresthill 719 Comment
  CHSC96323  Holocarpha virgata subsp. virgata L. P. Janeway 2006-8-24 8873 Placer Sacramento Valley. Along Hwy 193 about 3.5 km north of Lincoln. 41 Comment
  SCFS871  Holodiscus discolor E. Krimmel, F. Felix 2013-6-2 Placer North Fork American River. Top of Foresthill Rd. Comment
  CAS-BOT-BC150014  Holodiscus discolor var. discolor J. W. Stacey 1922-7-27 13 Placer Truckee River between Truckee and Tahoe City Comment
  SACT001301  Hordeum brachyantherum D. Meyer 1983-9-10 Placer West end near parking lot moist streambank and meadow. 1879.0 Comment
  UCD85461  Hordeum brachyantherum L. S. Smith 1916-7-8 s.n. Placer Squaw Valley. 1828 Comment
  UCR218116  Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16400 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SACT001324  Hordeum californicum D. Meyer 1983-8-20 Placer Moist roadside meadow some revegetation following residential construction. 2000.0 Comment
  SACT001338  Hordeum geniculatum D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  UC1132504  Hordeum jubatum G. T. Nordstrom 1934-6-21 151 Placer 4/10 mi w by nw Mammoth Springs; Colfax Quad., Tahoe National Forest Comment
  UCD85696  Hordeum jubatum Beecher Crampton 1964-7-9 7110 Placer Emigrant Gap, US Hwy. 40. 1615 Comment
  SACT001372  Hordeum leporinum D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  SACT001364  Hordeum leporinum 1977-4-13 Placer Moist riverside. 67.1 Comment
  CDA19572  Hordeum marinum subsp. gussoneanum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 232 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
  HSC10202  Hordeum murinum subsp. leporinum L. M. Malloy 1965-4-17 26 Placer 5 mi. S of Auburn, 1/2 mi. E of Scott's Corner off of County Rd. P. 58. Comment
  SEINET4670477  Hordeum murinum subsp. leporinum A. Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-1 608 Placer One mile north of Lincoln Comment
  SEINET4670481  Hordeum murinum subsp. leporinum W. D. Billings 1940-3-31 1277 Placer Canyon of Yuba River, 5 miles southeast of Auburn Comment
  SEINET3156787  Horkelia fusca W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  SCFS1124  Horkelia fusca E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. On trail 0.2-m from Cedars. Comment
  POM250771  Horkelia fusca subsp. parviflora D. D. Keck 1938-8-10 s.n. Placer Tahoma Resort, Lake Tahoe. 1905 Comment
  UC128221  Horkelia fusca subsp. parviflora Miss Harriet A. Walker 1908-7-26 1399 Placer Cisco 1798 Comment
  UC860223  Horkelia fusca subsp. parviflora A. A. Heller 1917-8-15 12939 Placer lower end Summit Valley (Soda Springs Station) 2042 Comment
  CAS-BOT-BC537865  Horkelia fusca var. parviflora A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end Summit Valley 2042 Comment
  POM34930  Horkelia tridentata Marcus E. Jones 1882-5-27 3291 Placer Emigrant Gap. Comment
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Sep 7 2010
  SD62127  Horkelia tridentata Darley F. Howe 1965-5-20 Placer Canyon on south side of north fork of American River near Yankee Jims 914 Comment
  UC1128153  Horkelia tridentata subsp. tridentata N. French 1934-5-24 359 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle 1341 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
  UCD38938  Hosackia oblongifolia Beecher Crampton 1961-9-27 6021 Placer 1 mile north of Blue Canyon. 1430 Comment
  SEINET5327468  Hosackia oblongifolia var. oblongifolia P. B. Kennedy, Samuel Bradford Doten 1901-8-15 406 Placer Bearman's camp, 6 mi from French Meadows Comment
  CDA7484  Hymenothrix loomisii T. C. Fuller 1962-9-2 9624 Placer South side of Highway 40 freeway to Donner Summit, 4.8 miles east of Weimar. 0 Comment
  JEPS126289  Hypericum anagalloides Steve Matson 1998-6-21 335 Placer nSNH, Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 1000 meters north of Highway 267, just east and below Martis Dam Road. Comment
  SJSU8045  Hypericum anagalloides R. L. Fisher 1959-6-26 Placer Yuba Gap, Hwy 40 1676 Comment
  UCD44449  Hypericum anagalloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1815 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC871756  Hypericum anagalloides P. A. Lebenbauer 1932-6-26 Placer on shore Lake Tahoe (Tahoe City); , Tahoe City 1898 Comment
  UCR200866  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14120 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  SDSU6899  Hypericum mutilum D. F. Howe 1961-7-8 3136 Placer By canal 4 miles north of Auburn. 457 Comment
  RSA643337  Hypericum perforatum R. D. Goeden, D. W. Ricker 1967-6-9 s.n. Placer near Auburn 400 Comment
  SDSU6905  Hypericum perforatum D. F. Howe 1959-8-1 2771 Placer 4 miles north of Auburn. 457 Comment
  UCR249599  Hypericum perforatum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20824 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  SEINET5344059  Hypericum scouleri P. A. Lehenbauer 1932-6-26 s.n. Placer Near Tahoe City Comment
  CDA32869  Hypochaeris glabra CDFA Staff 1980-1 Placer Auburn: Agricultural Commissioner's Office 0 Comment
  UCD118224  Ipomopsis aggregata Mrs. Raus 1935-7-10 s.n. Placer Lake Tahoe. Comment
  UCSB16090  Ipomopsis aggregata subsp. aggregata Breedlove, Dennis 1962-6-13 Placer Western bank of Lake Tahoe along State Highway 89, 8.3 miles south of Tahoe City; Sierra Nevada 1889 Comment
  UCR190920  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12069 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 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
  UCD138757  Iris macrosiphon A. S. Crafts 1926-5-1 792 Placer American River Canyon. Comment
  SEINET11261550  Iris tenuissima subsp. purdyiformis George Helmkamp, E. A. Helmkamp 2012-5-5 18913 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
  UC614832  Isoetes bolanderi Beryl O. Schreiber 1933-7-21 906 Placer Homewood; Lake Tahoe Comment
  CAS-BOT-BC69868  Isoetes orcuttii John Thomas Howell; Gordon H. True 1972-3-17 s.n. Placer Northern outskirts of Lincoln. 48 Comment
  SEINET11911561  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 s.n. Placer Tinker Knob, near Truckee 2896 Comment
  UCD44724  Juncus balticus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2090 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD141348  Juncus balticus subsp. ater L. S. Smith 1916-6-19 642 Placer Squaw Valley. 1889 Comment
  CDA37250  Juncus bufonius CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS102727  Juncus bufonius var. bufonius Lowell Ahart 2001-10-10 9348 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 mi SW of the bridge across the Middle Fork of the American River, ca 1 3/4 mi SW of Ahart Camp, ca 22 mi (air) NE of Forest Hill. 1591 Comment
  JEPS113259  Juncus bufonius var. bufonius Lowell Ahart, Brian Williams 2007-4-13 13657 Placer On damp granite soil, on the bottom and sides 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
  CHSC67758  Juncus chlorocephalus James D. Jokerst 1986-7-13 2708 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  SEINET3877887  Juncus chlorocephalus Ellen Dean, M. Starbuck; G. Harrington; J. Buck; Mark Bibbo; T. Sasaki; J. Poloske 2008-7-19 5133 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.; 0 2112 Comment
  CHSC74142  Juncus confusus Susi Urie 1998-8-11 98 -023 Placer Lake Tahoe Basin Management Unit -- National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC176394  Juncus effusus Peter Rubtzoff 1979-8-31 9419 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass quadrangle, 15 minute series). At Serene Lakes Lodge. Comment
  JEPS49041  Juncus ensifolius Leland S. Smith 1927-8-22 2464 Placer along valley near Emigrant Gap; Tahoe forest, 6-Mile Valley 1584 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
  UCR190222  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2007-8-1 12647 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCD162583  Juncus macrandrus Steve Matson 2003-7-29 865 Placer nSNH; Tahoe west shore; Timberland subdivision; next to Rideout School/Community Center. 1920 Comment
  CHSC68066  Juncus nevadensis James D. Jokerst 1986-7-12 2695 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  POM110929  Juncus nevadensis Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD43985  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1351 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC67715  Juncus occidentalis James D. Jokerst 1986-7-13 2716 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. 1859 Comment
  UCD43350  Juncus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 718 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC73106  Juncus orthophyllus L. P. Janeway 1998-8-6 5982 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UCD160262  Juncus tenuis Chuck Hughes 2014-4-24 398 Placer About 70 feet west of Crosby-Herold Road, and 400 feet north of Doty Ravine. 73 Comment
  JEPS46586  Juniperus californica Harriet P. Kelley 1914-7-14 Placer rocky hill side above Yuba River; Cisco Comment
  NY21827  Juniperus californica M. E. Jones 1882-1 5623 Placer Soda Springs Comment
  UC1076357  Juniperus occidentalis H. L. Mason 1929-10-4 5460 Placer 1 mi above Cisco Comment
  UCD133044  Juniperus occidentalis Beecher Crampton 1961-9-27 6001 Placer 2.5 miles west of Cisco Grove, along US Hwy 40, Yuba River Basin. 1615 Comment
  SEINET5334977  Juniperus occidentalis T. C. Frantz 1951-5-22 s.n. Placer next to Hunter Inn, Lake Tahoe, growing on large tree opposite highway Comment
  SEINET11056471  Juniperus occidentalis var. occidentalis P. A. Lehenbauer 1932-8-28 s.n. Placer Cisco Camp, summit. Comment
  CAS-BOT-BC58895  Kalmia microphylla subsp. microphylla L. S. Smith 1925-5-21 49453 Placer Tahoe 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
  CAS-BOT-BC235568  Keckiella breviflora L. S. Smith 1926-5-23 1830 Placer Tahoe National Forest, American River slopes below Forest Hill 548 Comment
  SCFS5071  Keckiella breviflora E. Krimmel, Faerthen Felix 2014-6-26 Placer North Fork American River Headwaters Basin, NFAm. Heath Falls trail. Comment
  UC565579  Keckiella breviflora Herbert L. Mason 1926-5-26 3272 Placer 5 mi above Auburn Comment
  SEINET3854194 Image available Keckiella breviflora subsp. breviflora Marcus E. Jones 1882-5-28 3276 Placer Emigrant Gap Comment
  UCR218448  Keckiella breviflora subsp. breviflora George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16421 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  RSA447635  Kelloggia galioides Fay A. MacFadden 1934-7-9 12732 Placer Emigrant Gap. 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
  SEINET12631436  Kelloggia galioides B. Bolt 1934-7-20 194 Placer Whiskey Hill Comment
  UCR208600  Kumlienia hystricula George K. Helmkamp, E. A. Helmkamp 2009-5-7 14630 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  JEPS60686  Kumlienia hystricula R. E. Arp 1932-4-18 12 Placer a few mi above Auburn 457 Comment
  CAS-BOT-BC341359  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CDA37227  Lamium amplexicaule CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR253552  Lamium amplexicaule George K. Helmkamp, Amy Barnes 2014-4-23 22804 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
  HSC82242  Lasthenia californica Thomas W. Nelson 1979-4-10 4588 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UC30449  Lasthenia californica H. N. Bolander 1865-4-11 4545 Placer Auburn Comment
  CAS-BOT-BC353497  Lasthenia fremontii Brandegee No date on label s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  SBBG128601  Lasthenia glaberrima G. K. Helmkamp, E. A. Helmkamp 2011-5-12 17252 Placer S of Lincoln along Athens Ave, 1.6 mi E of Fiddyment Rd, 0.6 mi W of Industrial Ave 41 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
  SEINET11447705 Image available Lasthenia platycarpha R. L. Smith 1942-4-3 20 Placer 5 miles E of Roseville 122 Comment
  UC372674  Lathyrus jepsonii var. californicus Marcus E. Jones 1883-7-1 Placer Emigrant Gap Comment
  RSA74393  Lathyrus lanszwertii var. lanszwertii C. L. Hitchcock 1949-6-6 19069 Placer 5 miles S of Tahoe, W side of Lake Tahoe Comment
  UCD106347  Lathyrus latifolius Beecher Crampton 1972-7-26 8854 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  CDA32837  Lathyrus latifolius CDFA Staff Placer Highway 49 south of Auburn. 0 Comment
  CDA19567  Lathyrus nevadensis var. nevadensis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 248 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
  UC15341  Lathyrus nevadensis var. nevadensis H. N. Bolander 1865-4-15 4629 Placer Forest Hills Comment
  POM260418  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6320 Placer 1 mile west of Baxter. Comment
  SDSU4207  Lathyrus sulphureus D. R. Harvey 1960-5-29 Placer Near Forest Hull. Comment
  SEINET6658657  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12004 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 2.8 miles southeast of Foresthill (Foresthill 7.5' Q.).; 0 814 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
  CAS-BOT-BC327725  Layia pentachaeta Brandegee no date on sheet s.n. Placer Roseville Comment
  SEINET200147 Image available Leersia oryzoides S. G. Smith, MA Nobs 1949-8-22 1542 Placer SW city limits of Roseville Comment
  JEPS82339  Legenere limosa Robert F. Holland 1983-4-26 1229 Placer unnamed tributary of creek s Placer Boulevard (e of Hwy 65); Pleasant Grove Creek Comment
  JEPS113103  Lepidium nitidum var. nitidum Lowell Ahart, Brian Williams 2007-4-13 13639 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
  CHSC10722  Lepidium ramosissimum Lowell Ahart 1962-7-14 Placer Near Ahart Camp, French Meadows. 1676 Comment
  SEINET11261799  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17900 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, 0.9 miles N of its junction with CA Hwy 20, 0.85 miles NE (23 degrees) of Emigrant Gap and N of I-80.; 0 1434 Comment
  JEPS71341  Leptodactylon pungens Gladys L. Smith 1972-6-20 3203 Placer Ward Peak; on open plateau about terminus of Summit chairlift 2621 Comment
  CHSC91653  Leptosiphon bolanderi M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 259 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. Along old road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  RSA40267  Leptosiphon ciliatus L. S. Rose 1946-6-23 46188 Placer Rainbow, north of Cisco. 1738 Comment
  UCD22109  Leptosiphon ciliatus Rex Palmer 1979-6-21 N 389 Placer Headwaters basin area of the North Fork of the American River Comment
  POM299439  Leptosiphon harknessii L. S. Rose 1941-7-18 41322 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  POM75327  Leptosiphon harknessii H. M. Hall 1910-6-26 8717 Placer Cisco; Upper Transition Zone 1800 Comment
  SD247474  Leptosiphon harknessii George K. Helmkamp, E. A. Helmkamp 2012-6-19 19235 Placer Northern Sierra Nevada Mountains: Foresthill Road, 6.9 miles east of its junction with Devil's Thumb Road. 1972 Comment
  CAS-BOT-BC334599  Leucanthemum vulgare Peter H. Raven 1956-8-4 9982 Placer Blue Canyon, Sierra Nevada 1432 Comment
  POM126727  Leucophysalis nana Helen D. Geis 1912-06 63 Placer Deer Park. Comment
  CHSC114320  Leucothoe davisiae T. C. Fuller 1973-8-23 19982 Placer Just S. E. of Robinson Flat Guard Station, Placer Co. 2164 Comment
  JEPS72873  Lewisia cantelovii L. R. Heckard 1973-6-18 3446 Placer 1/2 mi e site of Star Town (n fork of middle fork of American River; ca. 13 air mi ne of Foresthill); American River 1310 Comment
  JEPS73656  Lewisia kelloggii subsp. kelloggii L. R. Heckard with G. L. Stebbins 1973-6-17 3444 Placer about 7 air miles SE of Emigrant Pass (summit of Big Valley Bluff) 1935 Comment
  UC82893  Lewisia nevadensis Kellogg and Brannan 1870-6-29 Placer Cisco Comment
  UC192284  Lewisia nevadensis C. F. Sonne 1884-6-29 Placer meadow near old mill at Donner Lake Donner Lake Comment
  UC852034  Lewisia pygmaea Alice Eastwood Jun 15 1912-Jun 19 1912 441 Placer Tahoe City Lake Tahoe Region Comment
  UCD22152  Lewisia triphylla Rex Palmer 1979-6-19 N 262 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD64643  Leymus triticoides Beecher Crampton 1956-7-17 3725 Placer Blue Canyon. 1432 Comment
  CHSC73002  Ligusticum grayi L. P. Janeway 1998-8-6 5991 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SEINET9341185  Ligusticum grayi George Hrusa, Glazner, J. 1997-8-3 14026 Placer Corner of Hwy 89 and Squaw Valley Rd, Scattered plants in dry, and shady parts of coniferous forest dominated by Pinus jeffreyi, Abies concolor. Perennial. USGS Quadrangle: Tahoe City 7.5 Comment
  CAS-BOT-BC130777  Lilium pardalinum Albert Vollmer 1949-7-6 12 -D Placer Bear Valley Comment
  SEINET5725112 Image available Lilium pardalinum Richard J. Patterson 1969-1 182 -15 Placer Next to shady creek on moist soil; south of Interstate Highway 80 on Casa Loma Road; Alta Comment
  RSA75405  Lilium parvum Albert M. Vollmer, L. Beane 1951-07 190 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC508487  Lilium parvum W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  SEINET8480782  Lilium parvum P. A. Lehenbauer 1934-7-8 s.n. Placer Cisco. 1707 Comment
  CAS-BOT-BC133077  Lilium washingtonianum subsp. washingtonianum Jean L. Pawek 1956-7-18 198 Placer Highway 40 1828 Comment
  UCD35923  Limnanthes alba Beecher Crampton 1953-4-13 1096 Placer Sunnybrook Farms, 2 miles north Lincoln. Comment
  UC1123981  Linanthus ciliatus N. French 1934-6-22 483 Placer 0.5 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. 2133 Comment
  UCR229528  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17892 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
  SEINET9333463  Linanthus harknessii George Hrusa, Glazner, J. 1999-7-17 15153 Placer Martis Valley Comment
  UC133951  Linanthus harknessii Miss Harriet A. Walker 1908-7-27 1452 Placer Cisco, near the hotel Cisco 1810 Comment
  CDA38630  Linaria genistifolia subsp. dalmatica Clayton Seado 2012-8-9 PDR# 1611239 Placer Tahoe City; Tahoe City Public Utility District near Jackpine Street. 0 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
  CDA6375  Linaria vulgaris G. D. Barbe, W. Sauer 1984-7-25 4179 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  CDA6376  Linaria vulgaris J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Gold Run. Comment
  CAS-BOT-BC36162  Lithocarpus densiflorus var. densiflorus D. L. Smith; G. L. Stebbins 1976-7-4 C 7682 Placer Little Crater, on north side of Ralston Ridge. 1463 Comment
  CAS-BOT-BC36571  Lithocarpus densiflorus var. echinoides P. W. Rundel 1967-9-6 2653 Placer American River Grove of Sierra redwoods; Tahoe national Forest; ca. 20 miles NE of Foresthill; Comment
  UC483999  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-11 Placer 8 mi w Emigrant Gap 1371 Comment
  CAS-BOT-BC430965  Lithophragma bolanderi G. L. Stebbins 1978-5-28 7877 Placer West side of Big Crater. 1280 Comment
  RSA98977  Lithophragma bolanderi L. S. Rose, W. A. Weber 1953-5-19 8398 Placer 1 mile SE of Auburn 305 Comment
  UCD134162  Logfia gallica M. I. Wibawa 2002-5-27 260 Placer Folsom Lake State Recreation Area. 121 Comment
  SACT001437  Lolium multiflorum D. Meyer 1983-5-7 Placer Comment
  SACT001435  Lolium multiflorum Josephine Van Ess 1976-3-22 Placer Collected near Hummingbird Hill Stables .75 mile north of Cavit Road. Lightly shaded moist bank. Comment
  HSC10299  Lolium perenne L. M. Malloy 1965-4-17 28 Placer Vacant lot adjacent to Hwy. 99E in Lincoln. Comment
  SACT001452  Lolium perenne D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  CDA41077  Lomatium G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16043 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. Sheet 2 of 2 1066 Comment
  JEPS126308  Lomatium dissectum var. multifidum Steve Matson 2001-5-28 487 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, 400 yards south power lines, 300 yards west of Golf course. Comment
  JEPS16109  Lomatium dissectum var. multifidum L. S. Smith 1920-5-22 1603 Placer s. Truckee (Martis Creek, Antelope Valley); Tahoe Forest, Antelope Valley, Martis Creek 1981 Comment
  UCSB32283  Lomatium howellii Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  HSC82526  Lomatium utriculatum Thomas W. Nelson 1979-4-10 4581 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UC1562642  Lomatium utriculatum Barbara Ertter with David Thompson 1989-4-8 8149 Placer Iowa Creek Rd. ca. 2 mi. from I-80 near entrance to Auburn State Recreation Area (at creek crossing) 518 Comment
  UCR207882  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14574 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 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
  SEINET9674953  Lomatium utriculatum D. K. Worley, H. Mozingo 1977-3-19 s.n. Placer About 3 1/4 miles west of north of confluence of north and middle forks of American River, north of Hwy 49 366 Comment
  UCD126448  Lonicera conjugialis Rebecca Niell 1999-7-7 99- 3 Placer near Truckee River, north of Taho City on Rt. 89, near turnoff to Alpine Meadows Ski area. 1880 Comment
  UCD22156  Lonicera conjugialis Beth Lowe Corbin 1982-8-10 303 Placer 1 1/2 miles WNW of Onion Creek Campground. 1996 Comment
  SEINET12328859  Lonicera conjugialis J. H. Nishida 1985-1 789 Placer Homewood 1829 Comment
  SEINET8056613  Lonicera conjugialis M. J. Williams 1985-7-6 85- 63 -8 Placer Sierra Nevada; Pacific Crest trail between old and new Donner Summits. Comment
  CAS-BOT-BC200947  Lotus Saichi Kawahara 1969-5-24 831 Placer Overlooking north fork of the American River, on Colfax-Iowa Hill Road between Dinner Tree and Windy Point Comment
  UCR130216  Lotus corniculatus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5093 Placer Northern Sierra Nevada Mtns., Soda Springs Rd 0.9 mi south of Donner Pass Rd, approaching Ice Lakes 2104 Comment
  POM27248  Lotus humistratus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UC864816  Lotus humistratus C. L. Hitchcock 1940-5-14 6382 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  CDA36916  Lotus micranthus CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UC1129097  Lotus micranthus N. French 1933-6-5 66 Placer East Rocklin Sacramento Quad. 91 Comment
  RSA406200  Lotus nevadensis Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
Read comments
Apr 29 2011
  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
  JEPS59490  Lotus oblongifolius var. oblongifolius Ezra Brainerd and Viola B. Baird 1915-7-12 242 Placer n side Donner Lake; Sierra Nevada Mts. 1828 Comment
  RSA406278  Lotus unifoliolatus Wm. Martin 1971-9-10 20204 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  UCD109686  Lupinus S. L. Smith 1916-6-19 593 Placer north slope, Squaw Valley. Comment
  UCR189634  Lupinus adsurgens George 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
  CAS-BOT-BC434224  Lupinus albicaulis George K. Helmkamp; Mary Alice Barnes 2013-5-3 20460 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  UCD22080  Lupinus albicaulis Rex Palmer 1979-7-26 N 836 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET5327624  Lupinus albifrons Polkinghorne 1964-3-21 s.n. Placer Near Auburn. 549 Comment
  UCD106580  Lupinus apertus A. A. Heller 1909-7-16 9839 Placer Summit. 2133 Comment
  SCFS1174  Lupinus arbustus E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  SEINET8214803  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Summit. 2134 Comment
  RSA414449  Lupinus arbustus subsp. silvicola W. Hutchinson 1927-6-1 3539 Placer Lake Tahoe. Comment
  SD241010  Lupinus benthamii G. K. Helmkamp, E. A. Helmkamp 2010-4-17 15894 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area. 305 Comment
  UC196047  Lupinus benthamii C. F. Sonne 1891-4-5 Placer Penryn Comment
  UCR194944  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2007-5-18 12040 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  UCR233335  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2011-4-1 17115 Placer Eastern Sacramento Valley, along CA-193 (Lincoln-New Castle Hwy), 0.4 mile west of Gold Hill Road, 5.4 miles (air) east of Lincoln 108 Comment
  UCR238589  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2012-3-31 18662 Placer Sacramento Valley, along CA-193, 0.3 mile northwest of its junction with Gold Hill Road 131 Comment
  SEINET5328101  Lupinus benthamii A. Allen 1950-4-29 22 Placer 1 mile south of Rocklin on the road to Folsom 30 Comment
  CDA36910  Lupinus bicolor CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  UCR231895  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2011-4-10 17140 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCR257597  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-3-21 22644 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  CAS-BOT-BC208860  Lupinus breweri var. breweri John Thomas Howell 1938-8-2 14011 Placer Sand dunes on Lake Tahoe at Brockway. Comment
  RSA407102  Lupinus breweri var. grandiflorus Munz 1923-8-11 s.n. Placer Lake Tahoe, Tamarack Trail. 2134 Comment
Read comments
May 22 2013
  SEINET10485145  Lupinus confertus Blakley 1960-9-2 BLAKLEY 3801 Placer Perennial to 10 in. Tall; fls. Purplish with a white spot on banner, lvs. Silver-gray. Common on a dry rocky sandy loam bank under pinus at the edge of A mountain meadow. Carnelian bay, lake tahoe. 1903 Comment
  UCD108133  Lupinus latifolius F. A. MacFadden 1934-7-9 s.n. Placer Near flume below Emigrant Gap. Comment
  SBBG3583  Lupinus lepidus var. confertus E. R. Blakley 1960-9-2 3801 Placer Carnelian Bay, Lake Tahoe 1903 Comment
  UCD33492  Lupinus lepidus var. confertus Beecher Crampton 1969-7-1 8490 Placer 1 mile E of Emigrant Gap, Laings road above Carpenter Flat. 1584 Comment
  JEPS111286  Lupinus lepidus var. lobbii Steve Matson 2005-7-30 1421 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
  SEINET8051737  Lupinus lepidus var. lobbii M. J. Williams 1973-7-3 73 -H-1 Placer [Sierra Nevada] Near Soda Springs. 2012 Comment
  CDA12397  Lupinus lepidus var. sellulus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8525 A Placer Lake Tahoe; Upper Ward Valley, 4 miles SW of Tahoe City. Comment
  CDA12414  Lupinus lepidus var. sellulus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8542 Ab Placer Lake Tahoe; W end of upper Ward Valley on N side, 4 mi SW of Tahoe City. Comment
  JEPS127425  Lupinus lepidus var. sellulus Steve Matson 1997-7-6 44 Placer nSNH Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UC569529  Lupinus lepidus var. sellulus H. S. Yates 1934-6-29 3918 Placer near Brockway; Truckee Quadrangle Comment
  UC865513  Lupinus lepidus var. sellulus Alice Eastwood 1909-1 64 Placer Ward Creek; Lake Tahoe Region, Ward Creek Comment
  RSA413787  Lupinus lyallii var. lyallii Marcus E. Jones 1930-7-10 25457 Placer Lake Tahoe Comment
  UCR207859  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14562 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
  SEINET8056960  Lupinus microcarpus var. densiflorus A. Allen 1950-4-29 19 Placer 2 miles east of Roseville on highway 40, Comment
  UC518942  Lupinus microcarpus var. densiflorus David D. Keck 1933-6-1 2433 Placer on road to Folsom Loomis (Loomis city limits) Comment
  CDA36967  Lupinus nanus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  RSA790862  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Finning Mill Road at the junction with Forest Hill Road. 1144 Comment
  UCR208572  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14608 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCR218133  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16383 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  JEPS113167  Lupinus pachylobus Lowell Ahart, Brian Williams 2007-4-13 13643 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC1129723  Lupinus polyphyllus var. burkei B. Bolt 1934-8-22 191 Placer Grayhorse Flat; Tahoe National Forest, Truckee Quad., Grayhorse Flat Comment
  UCD42880  Lupinus polyphyllus var. burkei C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 247 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET8059863  Lupinus polyphyllus var. burkei P. B. Kennedy, S. B. Doten 1901-8-18 412 Placer [Sierra Nevada] Talbots Home Camp, 7 mi from French Meadows Comment
  UCD109382  Lupinus polyphyllus var. polyphyllus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11708 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  SEINET881443 Image available Lupinus silvicola A. A. Heller 1909-1 s.n. Placer Summit. 2133 Comment
  JEPS48699  Lupinus stiversii Leland S. Smith 1925-5-28 1605 Placer Bowman Dam , s slope (s slope) 1371 Comment
  CDA19570  Luzula comosa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 214 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
  UCR235387  Luzula comosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18949 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  CAS-BOT-BC436670  Luzula comosa var. laxa Dr. Kellogg 1870-6-16 s.n. Placer Cisco Comment
  SD239494  Luzula macrantha George K Helmkamp, E. A. Helmkamp 2012-5-5 18937 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-BC441258  Luzula macrantha Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4010 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 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
  JEPS103428  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  CHSC81794  Lythrum portula Lowell Ahart 2001-10-10 9344 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  CAS-BOT-BC342581  Madia Saichi Kawahara 1969-7-6 1464 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek 987 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
  CAS-BOT-BC343775  Madia elegans L. S. Smith 1925-6-6 1630 Placer Tahoe National Forest. Colfax-Forest Hill Road south of highway 533 Comment
  CDA36970  Madia elegans D. B. Joley Oct 1985 s.n. Placer Near Loomis. 0 Comment
  CAS-BOT-BC344462  Madia exigua David D. Keck 1933-5-31 2427 Placer Just south of Auburn, on road to Roseville 305 Comment
  JEPS126382  Madia glomerata Steve Matson 2002-7-14 568 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards south of Highway 267 and 200 yards west of junction of Creek and 267. Comment
  SD8612  Madia glomerata Katherine Curran 1883-1 Placer Donner Lake Comment
  CDA36902  Madia gracilis CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  UCR218218  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16416 Placer Sierra Nevada Mountains Foothills, Canyon Way, 1.2 miles south of its junction with Yankee Jim's Road, 1.7 mi. NE (24 deg. ) of Applegate 668 Comment
  UCR229538  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17855 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  POM260281  Madia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  CAS-BOT-BC345247  Madia subspicata Eric Brenner; John Hunter 1996-5-26 002 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon 1870 Comment
  UCD18246  Madia subspicata E. A. Dean 1998-5-30 458 Placer NE of town of Auburn, along SE side of Foresthill Rd. 500 Comment
  CHSC10706  Maianthemum racemosum Lowell Ahart 1963-7-1 Placer Near Robinson Flat. 1676 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
  RSA377688  Maianthemum racemosum subsp. amplexicaule William Martin 1971-9-10 20250 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  SEINET12049608  Maianthemum stellatum J. H. Nishida 1985-1 780 Placer Homewood 1829 Comment
  SD255788  Malva parviflora George K Helmkamp, Amy Barnes 2014-3-21 22642 Placer Sacramento Valley: Sheridan, Riosa Road at the west side of its junction with old CA-65 (Sheridan 7.5'Q) 32 Comment
  UCR257599  Malva parviflora George K. Helmkamp, Amy Barnes 2014-3-21 22642 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  SEINET8551152  Marah fabacea D. Henrikson 1964-3-21 s.n. Placer Placerville. Comment
  SEINET13203265 Image available Medicago orbicularis George K. Helmkamp, Amy Barnes 2013-1 20234 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
  UCR258547  Medicago orbicularis George K. Helmkamp, Amy Barnes 2013-3-28 20234 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  UCR224860  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2010-4-23 15913 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
  UC333419  Melica aristata unknown Placer Shady Run Summit (Summit) Comment
  UCD86414  Melica californica A. A. Beetle 1941-5-26 2715 Placer Near Cisco. 914 Comment
  UCD87278  Melica fugax A. A. Heller 1917-6-17 12699 Placer Along the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC282115  Melica geyeri Marcus E. Jones 1982-6-30 3553 Placer Emigrant Gap Comment
  POM113312  Melica geyeri Marcus E. Jones 1882-6-30 3553 Placer Emigrant Gap. Comment
Read comments
Mar 1 2011
  UCD87321  Melica geyeri Beecher Crampton 1955-6-15 2857 Placer Forest Hill Road, 0.5 miles south US Hwy. 40.. Comment
  SACT001513  Melica harfordii Michael Baad 1977-6-2 Placer 0.8 mile south of Wiemar, east-facing cliff streamside habitat. 606.0 Comment
  UCD87387  Melica harfordii Beecher Crampton 1955-6-15 2897 Placer Placer County, Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  SACT001530  Melica stricta Michael Baad 1983-9-3 Placer From west slope to saddle between Mt Judah and Mt Lincoln. 2529.0 Comment
  SACT001533  Melica stricta James Grove 1977-7-15 Placer 2000.0 Comment
  UCD88310  Melica stricta Tamara Kan 1992-7-25 s.n. Placer East slope of Silver Peak. 2377 Comment
  SACT001558  Melica torreyana D. Meyer 1984-6-10 Placer 3.2 km southwest of Colfax, steep shady cliff along slowly moving stream 606.0 Comment
  UCR207884  Melica torreyana George K. Helmkamp, E. A. Helmkamp 2009-4-22 14579 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  CDA39027  Melilotus albus D. G. Kelch 2011-10-3 11 .826 Placer Tahoe City. Granlibakken Resort. Comment
  SBBG6412  Mentha canadensis E. R. Blakley 1960-9-3 3809 Placer Kings Beach, Lake Tahoe 1903 Comment
  UC872397  Mentzelia dispersa unknown 12885 Placer Upper limit of the yellow pine belt (P. Jeffreyi) Summit Station 2121 Comment
  UC872465  Mentzelia dispersa Alice Eastwood Jun 15 1912-Jun 19 1912 683 Placer Lake Tahoe Region, Deer Park Comment
  CAS-BOT-BC428532  Micranthes aprica John H. Thomas; Hazelle A. Thomas 1956-7-21 6125 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UCD75747  Micranthes bryophora Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5213 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
  UCD75821  Micranthes nidifica Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5176 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
  CAS-BOT-BC348389  Micropus californicus var. californicus H. L. Mason 1933-5-28 7236 Placer Tahoe-Colfax road, three to four miles north of Colfax Comment
  CAS-BOT-BC348682  Microseris acuminata Gordon H. True 1971-4-21 6525 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  CAS-BOT-BC349327  Microseris nutans John H. Thomas; Hazelle A. Thomas 1956-7-21 6143 B Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CHSC79682  Microseris nutans G. F. Hrusa; J. Glazner 1999-7-18 15185 Placer Northern California; Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  UC194718  Microseris nutans A. A. Heller 1909-7-16 Placer Summit 2133 Comment
  UCD21782  Microseris nutans Beth Lowe Corbin 1982-8-6 264 Placer 1/4 mile SW of Onion Creek campground. 1889 Comment
  CHSC62188  Microseris sylvatica K. L. Chambers 1962-4-22 2125 Placer Hwy. 65, 1.4 mi. n. of the railroad overpass at Roseville, on road to Lincoln. Roadside. Comment
  RSA122922  Microsteris gracilis subsp. gracilis N. H. French 1934-6-22 481 Placer Half mile west of Lake Van Norden. 2134 Comment
  UCR222571  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15891 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 7.3 miles southwest of its junction with CA-49 near Pilot Hill 332 Comment
  UCR233243  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17688 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  UCD122317  Mimulus aurantiacus var. grandiflorus F. A. MacFadden 1934-7-2 s.n. Placer American River, Rawhide Mine. Comment
  CDA19559  Mimulus bicolor M. I. Wibawa, G. F. Hrusa (16049), J. Glazner 2002-5-22 219 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
  UC112814  Mimulus bicolor Katharine Brandegee 1908-6-5 Placer Magra Station Comment
  RSA122638  Mimulus breweri B. Bolt 1934-7-11 97 Placer Cascade Lakes, Truckee 2043 Comment
  UC103721  Mimulus guttatus T. S. Brandegee Sept. 1888 Placer Donner Comment
  UCD43333  Mimulus guttatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 701 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR193362  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12183 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  UCR234212  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17170 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  HSC23388  Mimulus guttatus G. G. Poulsen, Jr. 1971-3-29 3 Placer Ca. 4 mi. E of Lincoln on New Castle Lincoln Rd.; S on Clark Tunnel Rd., 1.4 mi. 274 Comment
  UCD122726  Mimulus kelloggii A. S. Crafts 1926-5-1 1936 Placer American River Canyon. Comment
  UCD21878  Mimulus lewisii Beth Lowe Corbin 1982-8-3 175 Placer Onion Creek campground. 1841 Comment
  JEPS71705  Mimulus minusculus Gladys L. Smith 1972-6-18 3141 Placer Alpine Meadows 2072 Comment
  UC886301  Mimulus moniliformis A. A. Heller 1917-8-12 12875 Placer w Emigrant Gap; Southern Pacific Reservoir Comment
  UCD122674  Mimulus nasutus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD43069  Mimulus primuloides subsp. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 437 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44654  Mimulus primuloides var. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2020 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  POM298032  Mimulus tilingii A. A. Heller 1917-8-13 12918 Placer Ridge northwest of Donner Pass. 2378 Comment
  RSA420993  Mimulus torreyi Fay A. MacFadden 1934-7-9 12574 Placer Emigrant Gap. Comment
  SCFS1028  Mimulus torreyi E. Krimmel 2014-7-5 Placer In steep section along Soda Springs road switchbacks. Comment
  UC147630  Mimulus torreyi Harriet A. Walker 1908-6-24 1257 Placer Blue Canyon 1432 Comment
  SEINET12765191  Minuartia californica Barbara Ertter 1991-3-29 9719 Placer 2-3 miles south of Lincoln.; 0 46 Comment
  CDA40218  Modiola caroliniana M. I. Wibawa 2002-5-27 270 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  UC1745630  Mollugo verticillata Annetta M. Carter 1945-11-4 1735 Placer 4.5 mi. NW of Roseville on road to Marysville Roseville; Sacramento Valley, Pleasant Grove Creek; Pleasant Grove Creek, 4.5 mi. NW of Roseville on road to Marysville. Sacramento Valley. Comment
  CAS-BOT-BC221667  Monardella candicans Marcus E. Jones 1882-7-4 3458 Placer Colfax Comment
  CAS-BOT-BC318566  Monardella odoratissima subsp. pallida A. A. Heller 1919-7-26 13320 Placer Donner pass. 2194 Comment
  JEPS126282  Monardella odoratissima subsp. pallida Steve Matson 1997-7-1 116 Placer Tahoe north shore; Snow Creek watershed, Tahoe Visa/Kings Beach; middle fork of Snow Creek; north of Golf Course. Comment
  UC883619  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1934-6-10 Placer Near Homewood; Lake Tahoe Comment
  SEINET10582104  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 273 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  RSA0022808  Monardella villosa Donald Wyrick 1961-6-21 296 Placer On Klamath River Road just west of Highway 99. 762 Comment
  UC147588  Montia chamissoi Miss Harriet A. Walker 1908-6-23 1359 Placer Blue Canyon 1432 Comment
  UC851964  Montia chamissoi Marcus E. Jones, A. M. 1882-5-28 2628 Placer Emigrant Gap Comment
  UCR120233  Montia chamissoi George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5069 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-BC444854  Montia fontana Marcus E. Jones 1882-6-27 3279 Placer Emigrant Gap Comment
  JEPS73658  Montia parvifolia L. R. Heckard with G. L. Stebbins 1973-6-18 3447 Placer about 1/2 mi e of Star Town (13 air mi ne of Foresthill, s side of North Fork of Middle Fork of American River); North Fork of Middle Fork of American River 1310 Comment
  SD1563  Montia parvifolia C. F. Sonne 1891-8-9 Placer Sierra Nevada Mountains, Canon above Squaw Valley Comment
  CDA37230  Montia perfoliata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CAS-BOT-BC260644  Muhlenbergia filiformis G. L. Stebbins, Jr.; et al. 1952-7-20 5126 Placer 7 miles E of Iowa Hill near Forbes camp ground on Upper Shirttail Creek 1158 Comment
  SACT001586  Muhlenbergia filiformis D. Meyer 1984-7-15 Placer At edge of Serene Lake. 1909.0 Comment
  CAS-BOT-BC275335  Muhlenbergia jonesii G. L. Stebbins 1977-7-9 7767 Placer Along trail from McKinistry Lake to Rubicon River 1706 Comment
  UCD33558  Muhlenbergia rigens Beecher Crampton 1969-11-13 8530 Placer Placer County, Weimar on Interstate 80. 685 Comment
  UCD102556  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
  SEINET5520876  Nama lobbii M. J. Williams 1984-6-24 84- 64 -2 Placer East side of Hwy 20 near intersection with Diamond Creek Road 1646 Comment
  UCR237435  Narcissus poeticus George K. Helmkamp, E. A. Helmkamp 2012-2-23 18574 Placer Sacramento Valley, Nicolaus Road, 0.4 mile west of South Dowd Road, west of Lincoln 45 Comment
  UCR237449  Narcissus pseudonarcissus George K. Helmkamp, E. A. Helmkamp 2012-2-23 18573 Placer Sacramento Valley, Nicolaus Road, 0.4 mile west of South Dowd Road, west of Lincoln 45 Comment
  CHSC79341  Navarretia Beecher Crampton 1977-7-2 9511 Placer 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  OBI11519  Navarretia capillaris R. F. Hoover 1967-9-5 10840 Placer Carnelian Bay, Lake Tahoe Comment
  SEINET14055763  Navarretia capillaris C. C. Hall 1910-6-25 8710 Placer [Sierra Nevada] Cisco 1850 Comment
  CDA15975  Navarretia divaricata subsp. divaricata G. F. Hrusa, J. Glazner 1999-7-17 15130 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC82649  Navarretia divaricata subsp. divaricata Lowell Ahart 2002-7-22 9896 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
  UC1124094  Navarretia divaricata subsp. divaricata B. Bolt 1934-6-19 149 Placer Tadpole Spring Tahoe National Forest, Colfax Quad. 1950 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
  CDA36875  Navarretia intertexta CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CHSC73974  Navarretia intertexta subsp. propinqua Susi Urie 1998-9-1 98 -196 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
  CDA15635  Navarretia leptalea subsp. bicolor G. F. Hrusa, J. Glazner 1999-7-18 15224 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UC398627  Navarretia leptalea subsp. leptalea A. A. Heller 1927-8-15 14445 Placer near Yuba River (Cisco); near Yuba River, Cisco Comment
  HSC83897  Navarretia leucocephala subsp. minima Thomas W. Nelson, Jane Nelson 1979-4-11 4600 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  CAS-BOT-BC233604  Navarretia pubescens Carl B. Wolf 1937-5-12 8618 Placer Sacramento Valley, 1 mile N of Lincoln 45 Comment
  UC112909  Nemacladus capillaris Katharine Brandegee 1908-7-18 Placer Cape Horn Comment
  CDA11993  Nemophila heterophylla G. F. Hrusa 1995-5-2 12174 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CHSC24707  Nemophila heterophylla T. C. English 1976-4-18 34 Placer N side of abandoned R. R., n fork of the American River, 2 1/4 mi w of Hwy 49 bridge. 335 Comment
  JEPS126331  Nemophila heterophylla Steve Matson 2006-4-23 1600 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  SEINET11261460  Nemophila heterophylla George Helmkamp, E. A. Helmkamp 2012-5-5 18920 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
  SEINET5520983  Nemophila maculata J. J. Murray 1965-3-13 s.n. Placer Pilot Hill 351 Comment
  UCR208592  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2009-5-11 14661 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  CDA36906  Nemophila pedunculata CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  RSA21253  Nemophila pedunculata Carl B. Wolf 1937-3-30 8367 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  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
  UCR250650  Nemophila pulchella var. gracilis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20374 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
  UCD119948  Nemophila pulchella var. pulchella M. H. Mills 1996-4-26 169 Placer 5830 Walden Lane, Loomis. 54 Comment
  JEPS127465  Nemophila spatulata Steve Matson 2003-6-15 799 Placer nSNH; Tahoe Basin; Kings Beach/Tahoe Vista; Snow Creek Watershed. Comment
  JEPS71485  Nemophila spatulata Gladys L. Smith 1972-6-18 3156 Placer Alpine Meadows 2072 Comment
  CAS-BOT-BC231506  Nicotiana G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  UCD110207  Notholithocarpus densiflorus G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrendorfer, J. Hunziker, et al. 1952-7-20 5135 Placer 5 miles northeast of Forest Hill, on road to Iowa Hill. 914 Comment
  UCR231857  Notholithocarpus densiflorus var. echinoides George K. Helmkamp, E. A. Helmkamp 2010-8-11 16762 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  CDA40572  Onopordum acanthium Ed King 2014-6-2 PDR# 310 P06130017 Placer Interstate 80, 1 mile west of Yuba Gap Interchange, near Laing Road. 0 Comment
  CDA38632  Onopordum acanthium Clayton Seado 2012-8-8 PDR# 1611235 Placer Drum Forebay, near Drum Forebay Road. 0 Comment
  JEPS72372  Orobanche fasciculata Gladys L. Smith 1972-6-20 3605 Placer Ward Peak, above Sherwood Forest. Comment
  JEPS73652  Orobanche uniflora subsp. occidentalis L. R. Heckard with G. L. Stebbins 1973-6-17 3440 Placer East face of Big Valley Bluff, about 7 air miles southeast of Emigrant Gap. Comment
  JEPS72698  Orogenia fusiformis Gladys L. Smith and Betsy Smith June 1971 3037 Placer 5 mi. w. Lake Tahoe (Alpine Meadows, foot of Ward Peak); Ward Peak, Alpine Meadows 2438 Comment
  JEPS59380  Orthilia secunda Ezra Brainerd and Viola B. Baird 1915-7-26 128 Placer Sierra Nevada Mts. along Truckee River, Bear Rock 1889 Comment
  POM286516  Orthocarpus hispidus Lyman D. Benson 1932-7-31 4021 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  SACT001684  Oryzopsis hymenoides Michael Baad 1976-8-25 Placer ridge of east Grouse Canyon 2499.0 Comment
  SEINET474026  Osmorhiza berteroi M. E. Jones 1882-6-29 Placer Emigrant Gap Comment
  UCD43254  Osmorhiza berteroi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 623 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET11132386  Osmorhiza berteroi F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  UCD162548  Osmorhiza occidentalis Steve Matson 2006-7-7 1640 Placer nSNH; Tahoe west shore; Ward Creek watershed, near Tahoe City. Near Page Meadows on access road from Chamoix road. 2072 Comment
  UCD75758  Osmorhiza occidentalis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5229 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, along undeveloped road downslope of off-road vehicle location. 2194 Comment
  JEPS59351  Osmorhiza occidentalis Ezra Brainerd and Viola B. Baird 1915-7-25 209 Placer Garden of the Gods Deer Park Valley (head of valley) 2072 Comment
  SCFS1046  Oxyria digyna Unknown 2014-8-7 Placer Off ridge between Granite Peak and Needle Peak. Comment
  CAS-BOT-BC10505  Paeonia brownii Alice Eastwood 1912-6-15 362 Placer Deer Park, Lake Tahoe Region Comment
  UCD124126  Panicum acuminatum var. fasciculatum Ellen Dean; Marcel Rejmanek 2012-10-9 7500 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
  UCD33549  Panicum acuminatum var. fasciculatum Beecher Crampton 1969-7-1 8489 Placer 1/4 mile W of Emigrant Gap post office on Interstate Hwy. 80. Comment
  SACT001638  Panicum hillmanii Josephine Van Ess 1976-6-7 Placer Collected about 3/8 mile west from Barton Road. Roadside bank next to irrigated orchard. 103.7 Comment
  SACT001644  Panicum pacificum Michael Baad 1983-6-27 Placer 4 miles east southeast of Forest Hill 365.0 Comment
  CDA7109  Parentucellia viscosa L. P. Janeway 2006-5-1 8593 Placer Sacramento Valley; Northeast side of Highway 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. 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
  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
  SACT001664  Paspalum dilatatum Josephine Van Ess 1976-6-7 Placer Collected just east of tennis courts. Moist roadside. 103.7 Comment
  POM264538  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mi north of Lincoln Comment
  CDA32599  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln, irrigation ditch. 0 Comment
  UCD75685  Pectiantia breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5134 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CHSC73204  Pedicularis attollens L. P. Janeway; Eric Shroder 1998-9-16 6319 Placer Lake Tahoe Basin Management Unit. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. 2164 Comment
  POM298008  Pedicularis attollens A. A. Heller 1919-7-26 13315 Placer West of Donner Pass. 2073 Comment
  RSA124120  Pedicularis attollens E. F. Sprague 1956-8-16 1511 Placer Valley below Mt. Lincoln, Sugar Bowl, Norden. 2134 Comment
  RSA463157  Pedicularis attollens Lyman Benson 1942-7-2 11261 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UC1293799  Pedicularis racemosa E. F. Sprague 1957-7-14 1600 Placer up slope behind Rainbow Tavern (and to e end of road, Hwy 40) 1828 Comment
  UCR177127  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2005-10-1 9992 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
  RSA686808  Pellaea brachyptera May N. Ackley 1925-06 77 Placer Near Emigrant Gap 1677 Comment
  JEPS74224  Pellaea breweri Gladys L. Smith and Betsy Wilson 1972-6-21 3194 Placer Scott Peak Comment
  CHSC32010  Pellaea bridgesii L. Ahart 1972-6-28 127 Placer French Meadows. 1524 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
  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
  SDSU10918  Penstemon azureus D. F. Howe 1978-7-15 5072 Placer Rte 20, 27 miles W of Truckee. 1585 Comment
  POM44119  Penstemon azureus subsp. angustissimus Marcus E. Jones 1882-7-3 3437 Placer Colfax. Comment
  RSA21568  Penstemon azureus subsp. azureus Carl B. Wolf 1937-9-4 9286 Placer Sierra Nevada, Auburn to Truckee Road, S side of S Fork of Yuba River, Near Cisco. 1799 Comment
  JEPS111326  Penstemon azureus var. azureus Steve Matson 2005-7-31 1430 Placer about 500 meters east of old Donner Summit (Highway 40), edge of old railroad bed (causeway) where penetrated by old road bed and tunnel;39.3154 N, 120.3209 W; elevation 6,900 ft. 2103 Comment
  NY571189  Penstemon azureus var. azureus H. M. Hall 1910-6-19 8702 Placer Cisco, in the Transition Zone 1800 Comment
  UC128134  Penstemon azureus var. azureus Miss Harriet A. Walker 1908-7-26 1436 Placer Cisco 1828 Comment
  UC886813  Penstemon azureus var. azureus Lewis S. Rose 1938-9-14 38261 Placer South Fork of Yuba River, Cisco 1615 Comment
  UC886820  Penstemon azureus var. azureus A. A. Heller 1917-8-13 12915 Placer ridge nw of Donner Pass; nw of Donner Pass 2377 Comment
  RSA437416  Penstemon deustus Robert F. Thorne, J. Chandler 1987-6-26 5422 Placer CA Hwy 267, 3.2 mi S of Brockway Summit. Comment
  CDA16041  Penstemon gracilentus G. F. Hrusa, J. Glazner 2000-9-3 15672 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run., 2164 Comment
Read comments
Nov 7 2007
  JEPS86488  Penstemon gracilentus L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6568 Placer ca 5 mi se Donner Lake (below Ada's Rock, sw of slope of Tinker Knob, Sherman Chickering's Soda Springs holdings); se of Donner Lake, sw slope of Tinker Knob 2407 Comment
  UC887063  Penstemon heterodoxus A. A. Heller 1917-8-13 12921 Placer ridge nw of Donner Pass; nw of Donner Pass 2377 Comment
  CAS-BOT-BC264487  Penstemon heterodoxus var. heterodoxus Betty J. Jorgensen 1944-7-23 532 Placer Near Soda Springs Comment
  UC54986  Penstemon heterophyllus var. purdyi C. F. Sonne 1891-5-17 15 Placer below Auburn; Sierra Nevada Mountains, below Auburn Comment
  UC565577  Penstemon heterophyllus var. purdyi Herbert L. Mason 1926-5-28 3271 Placer 5 mi above Auburn; above Auburn Comment
  UC690370  Penstemon heterophyllus var. purdyi David D. Keck 1932-6-30 1586 Placer 0.8 mi n Weimar P.O.; Sierra Nevada, n of Weimar P.O. 685 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
  UC1341757  Penstemon newberryi var. newberryi Noel H. Holmgren, James L. Reveal 1966-7-19 2907 Placer 1 1/2 mi E of Norden (along old US 40, S of Hwy) Comment
  UC194353  Penstemon newberryi var. newberryi C. F. Sonne 1884-1 Placer near Donner Lake Comment
  CDA15754  Penstemon roezlii G. F. Hrusa, L. Serafini 1993-6-29 11255 Placer S side of French Meadows Reservoir immediately below dam. Comment
  CHSC91784  Penstemon roezlii G. F. Hrusa; J. Glazner 2000-7-1 15622 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. 1844 Comment
  NY650156  Penstemon roezlii M. E. Jones 1882-7-1 3436 Placer Emigrant Gap Comment
  UCR209752  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2009-8-12 15443 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
  SD247511  Penstemon speciosus George K. Helmkamp, Elizabeth A. Helmkamp 2012-6-19 19226 Placer Northern Sierra Nevada Mountains: Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road (Duncan Peak 7.5'Q) 1671 Comment
  UC27437  Penstemon sudans C. J. Fox Jr. July 1893-July 1895 Placer near Squaw Peak; near Squaw Peak Comment
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Sep 7 2007
  UCD21671  Perideridia bolanderi Beth Lowe Corbin 1982-8-4 221 Placer 1/4 mile NW of Onion Creek campground. Flowers whitish cream. Bulb about 3-4 inches below ground. In rocky, fine, sandy soil. Full sun. SW facing slope, 15% incline. Locally abundant. 1950 Comment
  POM126826  Perideridia bolanderi subsp. bolanderi Helen D. Geis 1912-07 80 Placer Deer Park Comment
  CHSC74181  Perideridia lemmonii Susi Urie 1998-9-2 98 -211 Placer Below Hwy 28, between the highway and lake Forest Road; about 0.2 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  CHSC74183  Perideridia lemmonii Susi Urie 1998-8-27 98 -120 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 30 W']. 2121 Comment
  JEPS8691  Perideridia lemmonii Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunziker, D. Zohary, F. Ehrendorfer & H. Stutz 1952-7-20 3888 Placer s slope just below summit of serpentine hill above Shirttail Creek (7 mi e of Iowa Hill) 1188 Comment
  UC1436542  Perideridia lemmonii Arnold Tiehm Apr 1977 s. n. Placer Goose Meadow, Lake Tahoe Comment
  UCR257729  Perideridia parishii George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19521 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
  RSA459095  Perideridia parishii subsp. latifolia Fay A. MacFadden 1934-7-2 12553 Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  UCD43022  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 391 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44517  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1883 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC1585890  Petrorhagia dubia Barbara Ertter with David Thompson 1989-4-9 8187 Placer ca 8 airmi ne Auburn (Auburn-Forest Hill Road 6.2 mi sw of Spring Garden Road jct.) 609 Comment
  CDA37229  Petrorhagia prolifera CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR207115  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2009-7-16 15217 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
  SEINET2441255  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, ca 27 miles NE of the city of Foresthill. (Duncan Peak 7.5' Q.).; 0 2034 Comment
  JEPS14030  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3877 Placer nr. headwaters of Shirttail Creek (6 mi e of Iowa Hill); Tahoe Nat. Forest, Shirttail Public Camp 1127 Comment
  SEINET5759301  Phacelia heterophylla var. virgata M. J. Williams 1974-8-8 74 -PL-33 Placer Sierra Nevada, Murphy's Meadow, 5 mi. SW of Hirschdale 2316 Comment
  JEPS59365  Phacelia humilis Ezra Brainerd and Viola B. Baird 1915-7-25 114 Placer trail to Garden of the Gods Sierra Nevada Mts., Deer Park Valley 2011 Comment
  JEPS71492  Phacelia humilis Gladys L. Smith 1972-6-18 3162 Placer in meadow across from Alpine Meadows Lodge 2072 Comment
  JEPS126294  Phacelia hydrophylloides Steve Matson 2004-7-4 1071 Placer Tahoe north shore; Griff Creek Watershed above Kings Beach, CA; near junction of Gas Line Road and Griff Creek. Comment
  JEPS3191  Phacelia hydrophylloides Leland S. Smith 1918-5 2211 Placer Squaw Creek 2133 Comment
  JEPS21168  Phacelia marcescens N. French 1934-5-24 362 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  UCD149513  Phacelia marcescens G. L. Stebbins 1970-7-12 7050 Placer 2 miles north of Alta, Bear River Canyon. (Exact location unknown. Coordinates estimated by label maker.) 1097 Comment
  UC881016  Phacelia mutabilis Marcus E. Jones, A. M. 1882-6-30 2813 Placer Emigrant Gap Comment
  UCR229536  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17857 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  SCFS5102  Phacelia mutabilis F. Felix, Erica Krimmel 2013-5-19 22 Placer North Fork American River, 0.5 mile east Heath Falls overlook, on trail Comment
  CAS-BOT-BC6854  Phacelia namatoides Albert Kellogg 1870-6-23 s.n. Placer Sierra Nevada Mts.: Cisco. Comment
  JEPS86486  Phacelia ramosissima var. montereyensis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6566 Placer ca 5 mi se Donner Lake (w of Tinker Knob); Sherman Chickering's Soda Springs holdings 2042 Comment
  CHSC69644  Phacelia vallicola James D. Jokerst 1988-6-6 3006 Placer Long Creek Hydro Project, ca. 1 mi W of Ramsey Crossing, N of Long Canyon Creek. Comment
  SACT001699  Phalaris arundinacea D. Meyer 1984-7-21 Placer Near golf course. 2000.0 Comment
  SBBG70497  Philadelphus lewisii M. N. Ackley -Jun-1925 1003 Placer Shirttail Cyn 762 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
  POM296924B  Phleum Lyman Benson 1942-7-2 11267 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 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
  UCD44550  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1916 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SACT001755  Phleum pratense Michael Baad 1983-7-10 Placer 6 miles by rad south of Gap townsite. Open wet meadow. 1524.0 Comment
  CDA12295  Phlox gracilis G. F. Hrusa 1989-5-2 7066 Placer Sierra Nevada; Mosquito Ridge Road about 15 km. beyond crossing of North Fork of Middle Fork of the American River. Comment
  UC23966  Phlox gracilis State Survey 1890-1 4508 Placer near Auburn Comment
  UCR222896  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2010-4-17 15902 Placer Sierra Nevada Mountains Foothills, along CA-49, 2.5 miles southeast of Pilot Hill 271 Comment
  SD2000  Phoenicaulis cheiranthoides C. F. Sonne Apr 1898 Placer Near Stateline Comment
  UCD75738  Phoenicaulis cheiranthoides Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5201 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
  SEINET12230738  Phoradendron libocedri I. L. Wiggins 1930-1 5084 Placer near Cisco 1981 Comment
  UCR259862  Physalis lancifolia George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22461 Placer Sacramento Valley, Highway CA-193 (Lincoln-Newcastle Hwy) at the junction with Gold Hill Road, 3.8 miles northwest of US-80 114 Comment
  SD254674  Phytolacca americana George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20090 Placer Sacramento Valley: South Dowd Road, 0.1 mile south of its juncion with Moore Road, SW of Lincoln (Pleasant Grove 7.5'Q) 34 Comment
  RSA98979  Pilularia americana W. A. Weber 1953-5-19 8396 Placer 5 miles N of Roseville on road to Lincoln. 46 Comment
  UC118974  Pinus T. S. Brandegee 1889-7-7 Placer Alta Comment
  CAS-BOT-BC78291  Pinus attenuata Lowell Ahart 1966-8-12 s.n. Placer Near French Meadows 1219 Comment
  UCD133146  Pinus attenuata Sue Nichol 2008-5-28 s. n. Placer Along Hwy 80. Southwest of Gold Run, on Magra Road northeast of Secret Town Road exit. Between Magra Road and the highway. 905 Comment
  CAS-BOT-BC78464  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit [valley] Valley 2118 Comment
  UC463414  Pinus contorta subsp. murrayana Ira L. Wiggins 1930-10-12 5081 Placer Donner Summit 2174 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
  SEINET5334621  Pinus jeffreyi W. D. Billings 1943-1-17 1586 Placer Truckee River canyon between Truckee & Tahoe City Comment
  SBBG350  Pinus monticola E. R. Blakley 1960-8-29 3792 Placer Carnelian Bay, Lake Tahoe 1950 Comment
  CAS-BOT-BC72886  Pinus ponderosa Saichi Kawahara 1969-5-25 1023 Placer Ridge east of old cabin, Mel Henderson Ranch, Indian Creek. 1036 Comment
  UC1819257  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  UC1819259  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  NY951541  Pinus ponderosa var. ponderosa D. H. Goldman 2004-12-24 3007 Placer "Mosquito Narrows," Mosquito Ridge, just N of Mosquito Ridge Road (Forest Road 96), just E of the intersection with a dirt road going to the NW, about 5.9 miles from the parking lot at the Placer County Big Tree Reserve and about 18.9 miles E of the 1289 Comment
  RSA758238  Pinus sabiniana Doug Goldman 2004-12-24 3010 Placer Along Mosquito Ridge Road, 1.7 miles east of the intersection of Road 96 and Forest Hill Road in Forest Hill. 878 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
  UCD89656  Piptatherum miliaceum Collector Unknown 1988-9-1 s.n. Placer between borders of Nevada county, State Hwy 20, Bear River. 1524 Comment
  UCD22153  Plagiobothrys Rex Palmer 1979-5-27 N 47 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA99003  Plagiobothrys bracteatus L. S. Rose 1953-5-19 8391 Placer 5 miles N of Roseville on road to Lincoln. 49 Comment
  UCD22150  Plagiobothrys cognatus Rex Palmer 1979-6-20 N 333 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC67787  Plagiobothrys distantiflorus James D. Jokerst 1986-3-19 2600 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. 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
  UC79440  Plagiobothrys greenei Mrs. K. Brandegee May 1884 Placer Roseville Comment
  UC78171  Plagiobothrys hispidulus Alice Eastwood 1898-6-12 Placer Summit Soda Springs Comment
  UC660019  Plagiobothrys stipitatus var. micranthus Lincoln Constance 1941-5-28 2822 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  RSA791425  Plagiobothrys undulatus George K. Helmkamp, E. Helmkamp 2011-5-12 17255 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  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
  CDA39017  Plantago lanceolata D. G. Kelch 2011-10-2 11 .81 Placer Gold Run rest stop. Comment
  UCD21983  Plantago lanceolata Beth Lowe Corbin 1982-8-11 311 Placer 1 1/4 mile WNW of Onion Creek campground. In rocky, fine, sandy soil on old logging road. Clumped perennial. Bracts brown, anthers yellow. Mostly sun. West facing slope, 20% incline. Uncommon. 1981 Comment
  UCR240946  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19898 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  UCD138953  Platanthera dilatata var. leucostachys Beecher Crampton 1972-6-20 8824 Placer upslope from Bear valley, State Highway 20 East. Comment
  CHSC74463  Platanthera leucostachys Susi Urie; Eric Schroder 1998-9-9 98 -309 Placer On south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  RSA303029  Platanthera leucostachys Lewis S. Rose 1944-7-26 44278 Placer Chambers Lodge, Lake Tahoe 1921 Comment
  UCR200864  Platanthera leucostachys George K. Helmkamp, E. A. Helmkamp 2008-9-15 14118 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  POM196060  Platanthera leucostachys G. W. Fetters 1929-7-10 s.n. Placer Near Pomins [Tahoe Hot Tubs], Lake Tahoe Comment
  UCR208264  Plectritis brachystemon George K. Helmkamp, E. A. Helmkamp 2009-5-7 14631 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  OBI48727  Pleuricospora fimbriolata C. F. Sonne 1888-8-12 s.n. Placer Sierra Nevada mts. Truckee River Comment
  UCD161031  Poa G. Ledyard Stebbins 1977-7-1 7736 Placer Above Middle Fork American River near Last Chance. (Exact location unknown. Coordinates estimated by label maker.) 1341 Comment
  SACT001778  Poa annua D. Meyer 1983-5-15 Placer Field at Southeast corner. 36.6 Comment
  CAS-BOT-BC254759  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer Base of a cliff N of Summit hotel 2164 Comment
  SACT001800  Poa bolanderi Michael Baad 1983-8-11 Placer To Five Lakes Basin, continuing 3.6 km west toward Whiskey Creek. 2072.0 Comment
  SACT001803  Poa bolanderi James Grove 1977-7-15 Placer 2000.0 Comment
  UCD90565  Poa bolanderi R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40 (above Nayak) near Campton's store. 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
  SACT001847  Poa gracillima Michael Baad 1983-7-10 Placer 19.52 km from Emigrant Gap along road to Helester Point, open rocky slope to left of road. 1524.0 Comment
  SACT001896  Poa palustris D. Meyer 1983-8-7 Placer 8.5 km south of placer county line. Moist wooded area at Louisiana Pacific Private Forest enterance. 1758.0 Comment
  UCD37045  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Placer County, 0.75 mile west of Blue Canyon. Comment
  CAS-BOT-BC247370  Poa pratensis W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  CAS-BOT-BC247373  Poa pratensis Saichi Kawahara 1969-7-6 853 Placer Near garden, Mel Henderson Ranch, Indian Creek 1005 Comment
  SACT001919  Poa pratensis D. Meyer 1983-8-7 Placer Near gate into ski area parking lot moist meadow with many sedges. 207.0 Comment
  SACT001921  Poa pratensis D. Meyer 1983-8-20 Placer Moist roadside meadow, some revegetation following residential construction. 2000.0 Comment
  SACT001932  Poa pratensis D. Meyer 1984-5-6 Placer Collected on Garden Bar Rd. Riparian habitat. 182.0 Comment
  UCD91878  Poa pratensis Beecher Crampton 1955-6-15 2888 Placer 1 mile south of the North Fork of the American River Bridge, Shirttail Canyon; 3.5 miles north of Yankee Jim. 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
  UCR121484  Poa pratensis subsp. pratensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SACT001955  Poa scabrella Josephine Van Ess 1980-4-23 Placer Collected along horsetrail north from Rattlesnake Bar. Steep rocky, north-facing cliff. 152.4 Comment
  SACT001978  Poa scabrella Michael Baad 1983-5-5 Placer North Fork of American River, south side of river. 548.64 Comment
  SACT001981  Poa scabrella Michael Baad 1983-5-7 Placer 2 miles east of Colfax rocky opening disturbed area. 978.0 Comment
  RSA264628  Poa secunda C. F. Sonne 1888-07 s.n. Placer Truckee Comment
  CAS-BOT-BC237721  Poa secunda subsp. juncifolia John Thomas Howell 1943-7-21 18638 Placer Donner Pass to Mount Lincoln Comment
  CAS-BOT-BC242956  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer Ridge NW of Donner Pass below a ledge of igneous rock 2377 Comment
  JEPS75188  Poa secunda subsp. secunda Gladys L. Smith 1972-6-20 3263 -A Placer Ward Peak above Sherwood Forest (below summit) 2590 Comment
  UCD90792  Poa secunda subsp. secunda Beecher Crampton 1955-6-15 2860 Placer 3 miles east of Weimar, on Forest Hill Road, just off US Hwy 40. Comment
  CAS-BOT-BC244155  Poa sierrae G. L. Stebbins 1978-5-27 7872 Placer E side of Big Crater 1341 Comment
  CAS-BOT-BC539302  Poa sierrae G. Ledyard Stebbins 1968-4-7 6671 Placer Mosquito Ridge, E of Forest Hill, along road, 2.7 mi NE of turnoff to PG&E dam and powerhouse 975 Comment
  RSA0022183  Pogogyne zizyphoroides Carl B. Wolf 1937-5-12 8616 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  RSA0024682  Pogogyne zizyphoroides L. S. Rose, W. A. Weber 1953-5-19 8392 Placer 5 miles N of Roseville on road to Lincoln. 49 Comment
  SEINET13947029 Image available Pogogyne zizyphoroides W. A. Weber, Lewis S. Rose 1953-1 8392 Placer Depressions in rolling hills 5 miles N of Roseville on road to Lincoln, 160 ft alt 49 Comment
  UCD125424  Pogogyne zizyphoroides James D. Jokerst 1986-4-14 2623 Placer Johnson Ranch, north of Douglas Road, and east of Highway 80. Comment
  CAS-BOT-BC539343  Polemonium micranthum Steve Matson 2009-5-9 2204 Placer nSNH: Martis Valley, about 4 mi SE of Truckee; Martis Creek Wildlife ARea, S of Hwy 267, N of Martis Creek, just W of parking lot near creek 1780 Comment
  CHSC74246  Polemonium occidentale Susi Urie; Eric Schroder 1998-9-12 98 -354 Placer Lake Tahoe Basin--National Forest. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UC882679  Polemonium occidentale Alice Eastwood 1909-1 61 Placer Sunnyside Lake Tahoe Region, Sunnyside Comment
  UCD43942  Polemonium occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1308 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 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
  SEINET6647275 Image available Polygonum A. A. Heller 1917-1 12934 Placer Mount Lincoln S of Summit Valley 2438 Comment
  UC1101131  Polygonum amphibium var. stipulaceum Malcolm A. Nobs and S. Galen Smith 1949-8-21 1506 Placer marsh between Sandy Beach and Agate Bay; Lake Tahoe Comment
  UCR231875  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2010-10-16 17020 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
  CAS-BOT-BC413936  Polygonum aviculare subsp. aviculare John Thomas Howell 1943-7-25 18820 Placer West side of Donner Pass near Norden 2133 Comment
  UCR120231  Polygonum bistortoides George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5068 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  JEPS126269  Polygonum californicum Steve Matson 2003-6-9 826 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters South north of Martis Dam Road, 20 meters north of airport creek, 200 meters NW of vernal pools north of Highway 267. Comment
  CAS-BOT-BC414538  Polygonum douglasii R. F. Hoover 1967-9-5 10829 Placer Carnelian Bay, Lake Tahoe Comment
  POM280358  Polygonum douglasii Lyman Benson 1942-7-2 11270 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD43121  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 489 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 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
  CHSC74248  Polygonum douglasii subsp. douglasii Susie Urie; Eric Schroder 1998-9-8 98 -278 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  RSA466396  Polygonum hydropiper Wm. Martin 1971-9-10 20225 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  JEPS102568  Polygonum lapathifolium Lowell Ahart 2001-10-10 9364 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  UC147627  Polygonum phytolaccifolium Harriet A. Walker 1908-6-24 1258 Placer Blue Canyon Comment
  CAS-BOT-BC420030  Polygonum polygaloides subsp. kelloggii Marcus E. Jones 1882-7-11 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC420033  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1912-6-15 442 Placer Tahoe City, Lake Tahoe Region Comment
  JEPS72996  Polygonum polygaloides subsp. kelloggii Gladys L. Smith 1972-6-18 3157 C Placer Scott Peak; foot 2072 Comment
  JEPS72810  Polygonum sawatchense subsp. oblivium Gladys L. Smith 1972-6-20 3241 Placer exposed ridge from chairlift terminus to ultimate summit peak; Ward Peak 2632 Comment
  CAS-BOT-BC109255  Polygonum shastense M. E. Parsons 1912-8-25 s.n. Placer Crow Peak Summit. Comment
  JEPS72994  Polygonum shastense Gladys L. Smith 1972-8-25 3425 Placer Granite Chief; summit area 2773 Comment
  UCD100899  Polygonum shastense G. F. Hrusa; J. Glazner 2001-7-15 15956 Placer Northern Sierra Nevada, N summit face of Crows Nest Pk. Immed. W of Sugarbowl. 2377 Comment
  SEINET5778155 Image available Polypodium hesperium Marcus E. Jones 1882-1 Placer Emigrant Gap Comment
  CAS-BOT-BC232991  Polypogon australis Saichi Kawahara 1969-7-6 1449 Placer E bank of Indian Creek, Mel Henderson Ranch 987 Comment
  SACT001575  Polypogon australis D. Meyer 1984-8-12 Placer 10 miles from French Meadows, dry roadside 1524.0 Comment
  UCR249614  Polypogon interruptus George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20842 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.1 mile northwest of its junction with Spring Garden Road 738 Comment
  JEPS33239  Polystichum imbricans subsp. curtum Matt Herbrand 1917-12-20 Placer 1524 Comment
  CAS-BOT-BC76757  Polystichum imbricans subsp. imbricans Fay A. Mac Fadden 1933-7-11 10946 Placer Canyon Creek, Monte Sita Inn Comment
  SD58160  Polystichum imbricans subsp. imbricans Matt Herbrand 1917-12-20 Placer 1525 Comment
  RSA693277  Polystichum lonchitis Fay A. MacFadden 1934-7-2 s.n. Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  UC2046011  Polystichum scopulinum Stephen W. Edwards with Katie Colbert 2015-8-7 s.n. Placer Monumental Ridge. Comment
  CAS-BOT-BC102698  Populus tremuloides Mrs. Bliss 1923-4-20 s.n. Placer Tahoe City Comment
  SBBG117235  Populus tremuloides B. Crampton 1961-9-27 6002 Placer US Hwy 40, 1 mi W of Cisco Grove, Yuba River Comment
  UCD22301  Populus tremuloides Beth Lowe Corbin 1982-8-5 253 Placer Onion Creek campground. In sandy, granitic soil near streambed. Tree about 25' high; bark white papery, leaves quaking. Mostly sun. SW facing slope, 15% incline. Uncommon. 1841 Comment
  UCD43048  Populus tremuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 417 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  RSA0115169  Potamogeton gramineus Lyman Benson 1947-8-12 12789 Placer Tahoe City, Lake Tahoe (Aquatic). Mt. Range: Sierra Nevada 1889 Comment
  CDA859  Potamogeton richardsonii R. Talbert 1959-8-14 2927 Placer Lake Tahoe. 0 Comment
  CAS-BOT-BC141664  Potentilla flabellifolia Elizabeth Parsons Hawver 1910-7-7 s.n. Placer Meadows of Madden Creek, Lake Tahoe region Comment
  RSA636075  Potentilla glandulosa Robert M. Rhode 1997-6-26 174 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
  SD247495  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, Elizabeth Helmkamp 2012-6-19 19238 Placer Northern Sierra Nevada Mountains: Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road (Duncan Peak 7.5'Q) 2054 Comment
  RSA463075  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
  CHSC74431  Potentilla gracilis var. fastigiata Susi Urie 1998-9-2 98 -220 Placer Lake Tahoe Basin. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  JEPS127447  Potentilla gracilis var. fastigiata Steve Matson 1997-7-19 120 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  CAS-BOT-BC540396  Potentilla gracilis var. fastigiata C. F. Sonne 1886-7-4 77 Placer Sierra Nevada, old logging camp on Truckee River Comment
  CAS-BOT-BC540398  Potentilla gracilis var. fastigiata 1906-7-15 6962 Placer Tahoe Tavern Comment
  CAS-BOT-BC540401  Potentilla gracilis var. fastigiata W. R. Dudley 1900-6-29 s.n. Placer Near Tahoe City Comment
  SEINET6637688  Potentilla gracilis var. fastigiata P. Lehenbauer 1932-6-26 s.n. Placer Near Tahoe City Comment
  CHSC73694  Potentilla grayi L. P. Janeway; Eric Schroder 1998-9-16 6320 Placer Lake Tahoe Basin. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. Meadow area. 2164 Comment
  JEPS72484  Primula suffrutescens Gladys L. Smith 1972-8-25 3426 Placer n face Granite Chief; n face of Granite Chief 2621 Comment
  SD3658  Primula suffrutescens C. F. Sonne 1897-8-14 Placer E slope Mt. Anderson Comment
  UC1039796  Proboscidea lutea L. S. Smith 1928-10-15 Placer Auburn Comment
  CAS-BOT-BC508644  Prosartes hookeri Lloyd Austin 1924-5-13 s.n. Placer Baxter's Camp bove Alta on road to Truckee Comment
  CAS-BOT-BC163055  Prunus emarginata Mrs. Chas. E. Miller 1916-9-1 s.n. Placer Emigrant Gap Comment
  SBBG14319  Prunus emarginata N. F. Sommer 1954-5-19 88 Placer edge of runway of emergency landing field near Blue Cyn, US Hwy 40, 8 mi W of Emigrant Gap 1828 Comment
  SD235010  Prunus emarginata G. K. Helmkamp, E. A Helmkamp 2008-8-20 14028 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and East of Norden (Norden 7.5' Q) 2149 Comment
  UCD22278  Prunus emarginata Rex Palmer 1979-6-21 N 396 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC154643  Prunus subcordata E. K. Balls; L. W. Lenz 1955-5-12 20474 Placer 0.8 mi. from Hwy. 40 w. along rd. from Colfax to Grass Valley 670 Comment
  UC1585836  Pseudobahia heermannii Barbara Ertter with David Thompson 1989-4-9 8195 Placer halfway down road to Lake Clementine (= North Fork Lake); Auburn Comment
  UC1484450  Pseudobahia heermannii Dale E. Johnson with A. R. Smith 1974-4-7 69 Placer ca 1.6 km (1 mi) s of I-80 (Auburn-Sacramento hwy); Placerville-Auburn rd (CA 49) Comment
  UCR241357  Pseudognaphalium canescens subsp. beneolens George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19818 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
  UCR200868  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2008-9-15 14108 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UC1118465  Pseudognaphalium thermale G. F. Burks 1934-9-14 44 Placer Truckee River Tahoe National Forest, Truckee Quad., Truckee River 1828 Comment
  SEINET12997150  Pseudostellaria Ronald L. Hartman 1997-7-11 58546 Placer Near campsite ca 200 yards from Foresthill Road, 2-2.5 road mi W from Sailor Flat trail turn-off. 1982 Comment
  UC1351095  Pseudotsuga menziesii E. Fritz 1936-1-28 8209 Placer Comment
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Jul 9 2015
  UCR208594  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2009-5-11 14659 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  UCR198415  Psilocarphus brevissimus var. brevissimus George K. Helmkamp, E. A. Helmkamp 2008-4-17 13289 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 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
  POM82025  Pteryxia terebinthina Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  UCD34554  Purshia tridentata Beecher Crampton 1985-6-23 9999 Placer North Shore Lake Tahoe, Stateline Road. Comment
  RSA467877  Pyrola californica B. C. Templeton 1931-7-5 1517 Placer near Meek's Bay. 2280 Comment
  JEPS126342  Pyrola picta Steve Matson 1998-7-28 350 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; above West Fork of Snow Creek. Comment
  CAS-BOT-BC466092  Pyrola picta J. C. Hawver 1912-9-7 s.n. Placer Cisco Comment
  SACT002679  Quercus Josephine Van Ess 1977-5-6 Placer Collected along small stream just inside park on Newcastle Road. Moist ditch bank amoung other Quercus. Small tree. 176.8 Comment
  UCD40290  Quercus Rodney Gale Myatt 1972-6-1 s.n. Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  UCD82847  Quercus Rodney Gale Myatt 1972-6-1 s.n. Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 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
  CAS-BOT-BC62473  Quercus chrysolepis W. R. Dudley 1909-7-22 s.n. Placer Lower's leap, American River Comment
  UCD45386  Quercus chrysolepis Eric Brenner; John Hunter 1996-5-26 006 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. Elev. 1870 m. 1870 Comment
  CAS-BOT-BC86612  Quercus douglasii Alice Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  UCD45664  Quercus douglasii Gordon H. True 1971-4-21 6530 Placer Auburn Ravine just west of Lincoln, Placer County. El. 162 feet. 49 Comment
  CDA12007  Quercus durata G. F. Hrusa 1995-5-2 12188 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  CDA16971  Quercus durata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16024 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCD124134  Quercus durata Ellen Dean; Marcel Rejmanek 2012-10-9 7508 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  UCD124136  Quercus durata Ellen Dean; Marcel Rejmanek 2012-10-9 7510 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  UCD15651  Quercus durata Rachelle Raymond 1989-5-20 801 Placer Forest Hill Road. 701 Comment
  OBI49059  Quercus kelloggii Unknown 1882-6-30 2871 Placer Emigrant Gap Comment
  CDA15823  Quercus vacciniifolia G. F. Hrusa, L. Serafini 1993-6-29 11248 Placer S side of French Meadows Reservoir immeditely below dam. Comment
  CHSC20422  Quercus vacciniifolia L. M. Mayer; D. E. Brink 1974-8-15 Placer Kidd Lake. Comment
  UCD144216  Quercus vacciniifolia Frederic Hrusa; L. Serafini 1993-6-29 11248 Placer south side of French Meadows Reservoir immediately below dam. 1500 Comment
  SEINET10437466  Quercus vacciniifolia L. R. Miller 1933-8-27 1402 Placer Near Long's Lake. Comment
  UCR280609  Quercus wislizeni Tom Scott, Gary Nakamura 2009-1 2009- 017 Placer Sierra Nevada Mtns. Foothills, Auburn, Hwy 49 at Auburn Bridge on American River, slopes on north side of canyon above highway 198 Comment
  SACT002732  Quercus wislizeni J. Clark 1937-4-18 Placer Comment
  UCR188847  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2007-3-25 11710 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
  UCD135411  Raillardella argentea G. F. Hrusa; J. Glazner 2001-7-15 15964 Placer Northern Sierra Nevada, N summit face of Crows Nest Pk. Immediately W of Sugarbowl. 2377 Comment
  UCD22190  Ranunculus alismifolius Rex Palmer 1979-6-9 N 168 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  UCD22192  Ranunculus alismifolius Rex Palmer 1979-6-21 N 421 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22193  Ranunculus alismifolius Rex Palmer 1979-6-2 N 367 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS59413  Ranunculus alismifolius var. alismellus Ezra Brainerd and Viola B. Baird 1915-7-15 132 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  RSA142999  Ranunculus alismifolius var. alismellus John H. Thomas, H. A. Thomas 1956-7-21 6086 Placer Sierra Nevada, Vicinity of Donner Pass, 80 miles NE of Sacramento 2134 Comment
  UC827594  Ranunculus alismifolius var. alismifolius A. A. Heller 1917-6-19 12731 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC379387  Ranunculus alismifolius var. hartwegii Mrs. Jos. Clemens 1920-4-13 s.n. Placer Crescent Mills 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
  CAS-BOT-BC378964  Ranunculus bonariensis John Thomas Howell; Gordon H. True 1972-3-17 7082 Placer northern outskirts of Lincoln 49 Comment
  UCD43016  Ranunculus californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 385 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SJSU9858  Ranunculus flammula R. L. Fisher 1982-9-14 Placer Yuba Gap, Hwy 40 1676 Comment
  UC1101373  Ranunculus flammula Malcolm A. Nobs and S. Galen Smith 1949-8-21 1511 Placer marsh between Sandy Beach and Agate Bay (n end of Lake); Lake Tahoe Comment
  RSA145542  Ranunculus flammula var. ovalis E. R. Blakley 1960-9-3 3814 Placer Kings Beach, Lake Tahoe. 1904 Comment
  UC9442  Ranunculus hebecarpus H. N. Bolander 1865-4-16 4575 Placer Forest Hill Comment
  UCD96231  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sunnybrook Farms, 2 miles North of Lincoln. Comment
  CHSC73190  Ranunculus occidentalis L. P. Janeway 1998-8-6 5983 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CHSC73985  Ranunculus occidentalis Susi Urie 1998-8-28 98 -141 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. Large meadow complex. 2115 Comment
  SD241940  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2010-4-17 15888 Placer Siera Nevada Mountains Foothills: Rattleshake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 359 Comment
  UC147650  Ranunculus occidentalis Harriet A. Walker 1908-6-24 1284 Placer Blue Canyon 1432 Comment
  UC732548  Ranunculus occidentalis Lyman Benson 1933-6-26 4552 Placer Donner Lake Sierra Nevada (lower end) 1889 Comment
  UC827913  Ranunculus occidentalis C. L. Hitchcock 1940-5-7 6312 Placer ca 1 mi w Baxter Comment
  UCR235423  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18956 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  UC827922  Ranunculus orthorhynchus var. orthorhynchus Alice Eastwood Jun 15 1912-Jun 19 1912 446 Placer Tahoe City Lake Tahoe Region Comment
  UCD42908  Ranunculus populago C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 276 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43352  Ranunculus uncinatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 720 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET11526778  Raphanus raphanistrum Vetter 1955-4-23 8 Placer 0.5 mile W of Loomis. Comment
  CAS-BOT-BC55827  Rhamnus Charles J. Rockwell 1952-7-11 s.n. Placer northeaset of Roseville Comment
  CAS-BOT-BC59532  Rhamnus alnifolia Gordon H. True 1973-5-27 7499 Placer West bank of Truckee River at Deer Creek ca. 6 miles south of Truckee and 1 mile north of Squaw Valley 1841 Comment
  CAS-BOT-BC59533  Rhamnus alnifolia Gordon H. True 1973-5-27 7498 Placer Deer Creek ca. 6 mi. S. of Truckee & 1 mi. north of Squaw Valley 1889 Comment
  RSA654889  Rhamnus alnifolia G. Fred Hrusa, J. Glazner 1997-8-3 14032 Placer Corner of Hwy 89 and Squaw Valley Road. 2000 Comment
  UC629707  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer 7 mi nw Tahoe City; Squaw Valley 1889 Comment
  RSA1864  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1732 Placer Baxters Camp, 17 miles above Colfax. 1159 Comment
  UC870786  Rhamnus tomentella subsp. tomentella Marcus E. Jones, A. M. 1882-7-4 Placer Colfax Comment
  SEINET8506852  Rhodiola integrifolia subsp. integrifolia W. D. Billings 1950-7-30 1916 Placer Northeast side of Squaw Peak, Sierra Nevada 2560 Comment
  UCD150478  Rhodiola integrifolia subsp. integrifolia James A. Neilson Jr. 1971-8-31 2588 Placer Tahoe Basin, south fork of Blackwood Creek. 2438 Comment
  CAS-BOT-BC58198  Rhododendron columbianum F. Almeda 1993-7-24 7265 Placer About 15 mi. se. of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  UC22141  Rhododendron occidentale Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UC22142  Rhododendron occidentale Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  CAS-BOT-BC438107  Ribes John H. Thomas; Hazelle A. Thomas 1956-7-21 6133 Placer Sierra Nevada. vicinity of donner pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC108705  Ribes cereum Geo. B. Grant 1906-7-15 6978 Placer Tahoe Tavern Lake Tahoe. 1889 Comment
  JEPS111154  Ribes cereum Steve Matson 2005-6-11 1249 b Placer North shore of Lake Tahoe; Lake Forest; Skylandia State Park; west edge of park; 39.1842 N, 120.1085 W; Elevation 6250 ft. 1905 Comment
  JEPS127485  Ribes inerme var. inerme Steve Matson 1998-6-14 240 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area, 20 meters north of Highway 267, 20 meters west of Martis Creek. Comment
  UC191456  Ribes inerme var. inerme C. F. Sonne 1885-5-19 Placer near Mill pond (on Tahoe road); Truckee Comment
  UCD43000  Ribes inerme var. inerme C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 369 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  RSA0022086  Ribes montigenum C. F. Sonne 1897-7-18 s.n. Placer Tinker s Knob. 2591 Comment
  RSA0022889  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco. 1829 Comment
  SEINET12216786  Ribes nevadense J. H. Nishida 1985-1 778 Placer Homewood 1829 Comment
  UC974958  Ribes roezlii Lewis S. Rose 1940-6-1 40449 Placer 3 mi nw Tahoe City; Truckee River 1889 Comment
  SEINET12216785  Ribes roezlii J. H. Nishida 1985-1 777 Placer Homewood 1829 Comment
  CAS-BOT-BC186207  Ribes roezlii var. roezlii J. H. Thompson 1906-7-1 s.n. Placer Fallen Leaf Lake near Lake Tahoe 2042 Comment
  SEINET5339886  Ribes viscosissimum M. J. Williams 1985-7-6 85- 63 -6 Placer Pacific Crest Trail between old and new Donner Summits Comment
  CAS-BOT-BC362922  Rigiopappus leptocladus L. S. Smith 1932-5-4 2649 Placer Tahoe National Forest. Along Forest Hill road 457 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
  RSA0009355  Rorippa curvisiliqua Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CHSC81772  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-10-10 9365 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  CHSC82580  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-7-22 9882 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
  SEINET5784173 Image available Rorippa nasturtium-aquaticum Marcus E. Jones 1882-1 Placer Emigrant Gap Comment
  CAS-BOT-BC146353  Rosa Saichi Kawahara 1969-5-24 841 Placer North side of bend on Colfax-Iowa Hill Road, 1 mile west of Iowa Hill 865 Comment
  CDA3955  Rosa eglanteria T. C. Fuller, H. K. Wagnon 1964-5-18 11986 Placer South of railroad tracks, east of Dutch Flat Road, Alta. 0 Comment
  CAS-BOT-BC147019  Rosa woodsii subsp. ultramontana W. R. Dudley 1909-8-23 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC147020  Rosa woodsii subsp. ultramontana C. F. Sonne 1885-7-17 86 Placer Along Truckee River Comment
  CAS-BOT-BC147023  Rosa woodsii subsp. ultramontana W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Comment
  JEPS72264  Rosa woodsii var. ultramontana Gladys L. Smith, Betsy and Norman Wilson 1972-7-6 3285 Placer Squaw Creek Squaw Valley 2438 Comment
  SEINET7703904  Rosa woodsii var. ultramontana P. A. Lehenbauer 1931-8-30 1704 Placer Lake Tahoe, near Carnelian Bay. Comment
  UCD89706  Rubus armeniacus Lindsay Clark 2008-6-10 FHD 2 Placer Next to American River at Driver's Flat Staging Area, 14.5 miles northeast of Auburn. 209 Comment
  UCD89716  Rubus armeniacus Lindsay Clark 2008-6-20 CFX 17 Placer Stevens Trailhead parking lot in Colfax, off of N Canyon Way, just on the east side of I-80. 737 Comment
  UCR191061  Rubus glaucifolius George K. Helmkamp, E. A. Helmkamp 2007-5-23 12053 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  JEPS127445  Rubus parviflorus Steve Matson 1998-7-27 339 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; middle fork Snow Creek Comment
  POM104787  Rumex acetosella Marcus E. Jones 1882-5-28 s.n. Placer Emigrant Gap. Comment
  SEINET3860446  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2010-6-26 16404 Placer Sierra Nevada Mountains Foothills: Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way.; 0 591 Comment
  UCR260819  Rumex acetosella M. Kauffman 1997-5-18 20 Placer Sierra Nevada Mtns., 0.1 mile from Hwy 80 on Eagle Lakes Road 1768 Comment
  CAS-BOT-BC422032  Rumex acetosella John Thomas Howell; Gordon H. True 1972-3-17 7084 Placer Northern outskirts of Lincoln 48 Comment
  SD255839  Rumex crispus George K. Helmkamp, Amy Barnes 2014-3-21 22639 Placer Sacramento Valley: Sheridan, Riosa Road at the west side of its junction with Old CA-65 (Sheridan 7.5'Q) 32 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
  UCR257601  Rumex crispus George K. Helmkamp, Amy Barnes 2014-3-21 22639 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  UCD44001  Rumex paucifolius C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1367 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD101614  Rumex salicifolius A. A. Heller 1917-6-19 12734 Placer Emigrant Gap. 1615 Comment
  CAS-BOT-BC434298  Rumex triangulivalvis Beecher Crampton 1972-7-26 8847 Placer Carpenter Flat east of Emigrant Gap. Dry slope above Laings road. 1615 Comment
  SCFS11529143  Salix E. Krimmel, F. Felix 2012-9-13 Placer Intersection of Serena Creek and NFAm River. Comment
  CAS-BOT-BC103560  Salix eastwoodiae W. R. Dudley 1900-6-19 5280 Placer woods west of Independence Hotel Comment
  CAS-BOT-BC103611  Salix eastwoodiae W. R. Dudley 1900-6-14 5119 Placer In valley northwest of Lake Mary Comment
  CHSC13911  Salix geyeriana E. L. Smith 1971-6-17 973 A Placer At s end of Martis Valley ca. 11 kn se of Truckee. 1800 Comment
  JEPS127554  Salix geyeriana Steve Matson 1998-9-1 395 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; middle fork Snow Creek; north end of main pond meadow Comment
  CAS-BOT-BC108206  Salix hindsiana Peter H. Raven 1954-8-27 7959 Placer Along a ditch, Penryn - Sierra Nevada Comment
  CAS-BOT-BC108208  Salix hindsiana Gordon H. True 1968-10-26 4740 Placer Sact. Valley between Sheridan and edge of foothills SW of Camp Far West Res. 76 Comment
  CAS-BOT-BC108211  Salix hindsiana David D. Keck 1933-6-1 2436 Placer 1 mile south of Loomis on road to Rocklin Comment
  UCD22311  Salix jepsonii Rex Palmer 1979-6-20 N 314 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM362786  Salix lasiolepis Glenn A. Gorelick 1965-8-21 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC124747  Salix lemmonii W. R. Dudley 1900-6-1 5283 Placer west of Independence Hotel Comment
  CAS-BOT-BC124752  Salix lemmonii A. A. Heller 1917-6-17 12688 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124770  Salix lemmonii W. R. Dudley 1900-6-14 5109 Placer Valley northwest of Lake Mary, near Summit Comment
  CAS-BOT-BC124773  Salix lemmonii W. R. Dudley 1900-6-14 5111 Placer Valley northwest of Lake Mary, near Summit Comment
  CAS-BOT-BC124785  Salix lemmonii Gordon H. True 1965-5-18 1905 Placer Deer Creek trib. to Truckee River just below Squaw Valley, near confluence with Truckee River 1859 Comment
  CHSC73994  Salix lemmonii Susi Urie 1998-8-28 98 -134 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CAS-BOT-BC125099  Salix ligulifolia Helen La Plant 1964-6-1 s.n. Placer Ward Creek near Lake Tahoe 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
  CAS-BOT-BC129087  Salix scouleriana Gordon H. True 1968-7-10 4366 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Rd. 1554 Comment
  JEPS16331  Sambucus mexicana Peter H. Raven 1956-8-4 9989 Placer Blue Canyon Sierra Nevada 1432 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
  CAS-BOT-BC235189  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  CAS-BOT-BC235192  Sambucus racemosa var. racemosa Mrs. Marian Campbell 1920-6-28 s.n. Placer Lake Tahoe Region. Heather Lake Comment
  CDA15934  Sanguisorba annua G. F. Hrusa, J. Glazner 1999-7-17 15160 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA750890  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2007-9-14 12959 Placer along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  SD235013  Sanguisorba minor subsp. muricata G. K. Helmkamp, E. A Helmkamp 2007-9-14 12959 Placer Northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill (Foresthill 7.5' Q) 942 Comment
  UCR190585  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2007-9-14 12959 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR241765  Sanguisorba minor subsp. muricata George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19802 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
  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
  UCD41251  Sanicula bipinnatifida Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1707 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 2.5 road miles from Main St. 1066 Comment
  SEINET11155802  Sanicula bipinnatifida C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer 0.5 mile E of junction of old and new Auburn Roads with Forest Hills Road. 792 Comment
  SD247300  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19246 Placer Northern Sierra Nevada Mountains: Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road. 2040 Comment
  UC1562644  Sanicula tuberosa Barbara Ertter with David Thompson 1989-4-9 8177 Placer 5 air mi nw of Foresthill (Shirttail Canyon Road 2.4 mi from Dipper Road); Shirttail Canyon Road 609 Comment
  UCD80016  Sanicula tuberosa CNPS SN Foothill Team 2005-4-26 SNFN 0183 b 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
  UC420473  Sanicula tuberosa C. F. Sonne 1891-4-5 670 Placer below Auburn Comment
  JEPS47490  Saxifraga nidifica var. nidifica C. F. Sonne 1886-6-6 90 Placer road to Tahoe; Sierra Nevada Mountains Comment
  UC115054  Saxifraga odontoloma C. F. Sonne 1897-8-14 Placer canyon above Coldstream; Sierra Nevada Mountains Comment
  UC1602226  Saxifraga oregana G. W. Fetters 1929-7-10 Placer Pomin's near Lake Tahoe; Pomin's Comment
  SD240827  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2012-3-31 18664 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing (Auburn 7.5'Q) 257 Comment
  UCR173248  Scandix pecten-veneris George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10459 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCR231882  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2011-4-10 17138 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  CHSC73484  Scirpus congdonii L. P. Janeway; Eric Schroder 1998-9-16 6322 Placer Lake Tahoe Basin Management Unit - Forest Service. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. 2164 Comment
  UCD21846  Scirpus microcarpus Beth Lowe Corbin 1982-8-13 337 Placer 1/8 mile south of Onion Creek campground. Grassy meadow between creek and White Fir forest. Stalks up to 3 1/2' high. Mostly sun. South facing slope, 10% incline. Common. 1816 Comment
  CAS-BOT-BC110999  Scirpus microcarpus W. R. Dudley 1901-8-16 s.n. Placer Island below falls, Monte Vista, Dutch Flat Comment
  SEINET9237809  Scirpus microcarpus W. D. Billings 1951-7-28 2136 Placer Tallbot Home Camp, Middle Fork American River. 1676 Comment
  CDA3394  Scleranthus annuus G. D. Barbe 1985-7-15 4239 Placer Meadow Vista Community Park, 10 miles east of Auburn. 0 Comment
  UCD92500  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 miles north of Lincoln. Comment
  JEPS127467  Scutellaria californica Steve Matson 2003-7-6 833 Placer nSNH; about 6 miles SW of Truckee; Squaw Valley; Shirley Canyon trail to the PCT. Comment
  UCD102044  Sedum obtusatum Beth Lowe Corbin 1982-8-10 299 Placer 1.25 miles WNW of Onion Creek Campground. 1981 Comment
  RSA0074845  Sedum obtusatum Lyman Benson 1933-6-26 4537 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 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
  UC831069  Sedum spathulifolium Marcus E. Jones, A. M. 1882-6-30 3345 Placer Emigrant Gap Comment
  CAS-BOT-BC62096  Selaginella hansenii Viola N. Poole 1932-5-1 s.n. Placer Shirttail Canyon, across old bridge on the American River, a few miles from Auburn 762 Comment
  CAS-BOT-BC62222  Selaginella watsonii John H. Thomas; Hazelle A. Thomas 1956-7-21 6128 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC363250  Senecio Saichi Kawahara 1969-5-24 878 Placer East of cabin, Mel Henderson Ranch, east bank of Indian Creek Comment
  CAS-BOT-BC363909  Senecio integerrimus var. exaltatus Alice Eastwood 1912-6-15 418 Placer Five-lakes [Five Lakes], Lake Tahoe Region Comment
  UC2042507  Senecio integerrimus var. exaltatus Holly Forbes, Barbara Keller, and T. Tomashek 2012-6-12 Placer Blackwood Canyon Rd., 0.2 mi. W of junction with Highway 89. Comment
  SJSU5432  Senecio integerrimus var. exaltatus M. B. Olesen 1965-5-31 Placer near Incline Village, Lake Tahoe 1920 Comment
  UC472370  Senecio integerrimus var. major C. F. Sonne July 1897 6593 Placer Coldstream <?> to Tinker Knob Comment
  UCD21786  Senecio integerrimus var. major Beth Lowe Corbin 1982-8-9 277 Placer 1/4 mile SW of Onion Creek campground. In fine, sandy soil. Opening in White Fir forest. Biennial. Ray and disc flowers withered, apparently yellow. Full sun. South facing slope, 10% incline. Uncommon. 30 Comment
  CAS-BOT-BC364156  Senecio serra Elizabeth Parsons Hawver No date on label s.n. Placer Tahoe City, Lake Tahoe Region Comment
  RSA0012467  Senecio serra var. serra Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  SEINET9323577  Sericocarpus oregonensis subsp. californicus Unknown 1975-9-9 9280 Placer Placer Comment
  UCD147094  Sesbania punicea Chuck Hughes 2013-5-14 378 Placer Southern margin of Camp Far West Reservoir. 95 Comment
  CDA37868  Setaria faberi J. L. Johnson 1980-7-8 s.n. Placer Penryn 0 Comment
  UCR141667  Setaria pumila Beecher Crampton 1965-9-13 7494 Placer Sierra Nevada Mtns., Gold Run, Interstate Hwy 80 976 Comment
  UC889388  Sherardia arvensis C. L. Hitchcock 1940-5-7 6352 Placer ca 1 mi w Baxter Comment
  CAS-BOT-BC213132  Sidalcea Emily K. Mcpherson 1976-9-19 76283 Placer One mile east of Talbot Campground, open area near Middle Fork American River, Sierra Nevada 1767 Comment
  UCD116589  Sidalcea calycosa Ted Niehaus 1959-5-3 99 Placer north shore of Folsom Lake at Granite Bay Park, 100 yards from lake. Comment
  UCR249603  Sidalcea calycosa subsp. calycosa George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20826 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  CHSC81798  Sidalcea glaucescens Lowell Ahart 2001-10-10 9353 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
  UCD150575  Sidalcea glaucescens James A. Neilson Jr. 1970-7-9 1476 Placer Tahoe Basin, North Ward Valley. 2194 Comment
  UC614866  Sidalcea glaucescens Beryl O. Schreiber 1933-9-11 762 Placer road to Summit; road to Summit Comment
  UC718219  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer 1 mi n Lincoln; Sacramento Valley, n of Lincoln 45 Comment
  CHSC73960  Sidalcea oregana subsp. spicata Susi Urie 1998-8-18 98 -062 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74414  Sidalcea oregana subsp. spicata Susi Urie; Eric Schroder 1998-9-9 98 -306 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  LA83273  Sidalcea oregana subsp. spicata O. H. Kappler; 1946-7-18 1318 Placer Lake Tahoe, NW shore 1920 Comment
  UCD116847  Sidalcea oregana subsp. spicata G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12639 Placer Northern Sierra Nevada Mountains, 0.1 mile south of the Rainbow exit from Interstate 80, 0.5 miles east of Rainbow. 1790 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
  JEPS59422  Sidalcea oregana subsp. spicata Ezra Brainerd and Viola B. Baird 1915-7-22 142 Placer along R.R. (Bear Rock Camp); Sierra Nevada Mts., Bear Rock Camp 1889 Comment
  UC147632  Silene californica Harriet A. Walker 1908-6-24 1253 Placer Blue Canyon 1432 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
  SEINET5726594 Image available Silene californica Allen Fone 1975-1 43 Placer 2.1 miles west of Auburn-Foresthill Road Comment
  UC8424  Silene californica Mrs. M. M. Hardy 1893-1 Placer Comment
  POM150840  Silene douglasii Katherine Brandegee s.n. Placer Donner Summit. Comment
  UC852840  Silene douglasii Lewis S. Rose 1941-7-25 41353 Placer Chambers Lodge Lake Tahoe, Chambers Lodge (McKinney) (McKinney, Lake Tahoe) 1920 Comment
  POM89175  Silene douglasii var. douglasii Katherine Brandegee 1917-08 s.n. Placer Cisco Comment
  CDA37055  Silene gallica CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCD98710  Silene gallica Greg Vita 1978-5-7 24 Placer W. slope of Folsom Lake, 1.2 miles N of Twin Rocks Road along Boulder Road. 152 Comment
  CAS-BOT-BC388987  Silene laciniata subsp. californica Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4016 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  UCD99017  Silene laciniata subsp. californica J. L. Wirka 1995-5-19 s.n. Placer 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
  CAS-BOT-BC181345  Silene latifolia Margaret J. Williams; Dieter Schacht 1987-6-19 87- 20 -1 Placer Near Hwy 89, just west of Tahoe City 1905 Comment
  CAS-BOT-BC389371  Silene lemmonii Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap Comment
  POM100920  Silene lemmonii Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  UC8507  Silene lemmonii Mrs. M. M. Hardy 1893-1 Placer Comment
  POM100978  Silene occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco. 1800 Comment
  UC163941  Silene occidentalis subsp. occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco 1800 Comment
  UCR190136  Silene vulgaris George K. Helmkamp, E. A. Helmkamp 2007-9-14 12953 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR222539  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2010-4-23 15912 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
  CDA19548  Sisyrinchium elmeri M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 237 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
  SACT002102  Sitanion hystrix Michael Baad 1976-8-4 Placer Collected amoung rocks and in gravel beside creek, white fir forest with openings. 1975.0 Comment
  SACT002218  Sitanion hystrix D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT002253  Sitanion jubatum Michael Baad 1977-6-21 Placer Two miles north of junction of road. Extensive serpetine outcrop. 1158.0 Comment
  SACT002250  Sitanion jubatum Josephine Van Ess 1980-5-24 Placer Collected on hillside about 1 mile east of Highway 49. Rocky slopes, serpentine. 414.6 Comment
  CDA15674  Smilacina racemosa G. F. Hrusa, J. Glazner 1999-7-18 15221 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC1134666  Smilacina racemosa N. French 1934-5-31 387 Placer 1/2 mi e Texas Hill; Tahoe National Forest, Colfax Quadrangle 1584 Comment
  CDA5937  Solanum dimidiatum F. Clark Oct 1945 Placer Railroad yards, Roseville. 0 Comment
  JEPS59426  Solanum umbelliferum Ezra Brainerd and Viola B. Baird 1915-7-7 146 Placer Squaw Valley; Sierra Nevada Mountains, Squaw Valley 1920 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
  SEINET3162627  Solanum xanti W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  SD234327  Solidago canadensis subsp. elongata G. K Helmkamp, E. A. Helmkamp 2007-9-14 12964 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 15 miles E of Foresthill (Michigan Bluff 7.5' Q) 832 Comment
  UCR171341  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2005-10-1 9971 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  CAS-BOT-BC365507  Solidago elongata A. A. Heller 1917-8-15 12938 Placer Soda Springs Station, lower end of Summit Valley 2042 Comment
  CDA36903  Sonchus asper CDFA Staff 1995-6-12 s.n. Placer Dry Creek. 0 Comment
  SCFS11529160  Sparganium angustifolium E. Krimmel, F. Felix 2014-8-7 Placer Seasonal pool Comment
  SEINET3228406 Image available Spartium junceum M. F. Wojciechowski 2002-6-25 999 Placer Roadside along I-80, collected adjacent to rest area near Dutch Flat/Gold Run exit. 945 Comment
  SD237402  Spergula arvensis subsp. arvensis G. K. Helmkamp, E. A. Helmkamp 2009-3-11 14385 Placer Sacramento Valley: Ranch House Road, 0.2 mile south of Sheridan (Lincoln 7.5'Q) 36 Comment
  UCR206358  Spergula arvensis subsp. arvensis George K. Helmkamp, E. A. Helmkamp 2009-3-11 14385 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  CAS-BOT-BC390111  Spergularia bocconi Gordon H. True 1971-4-21 6532 Placer Auburn Ravine just west of Lincoln 49 Comment
  UCD43883  Sphenosciadium capitellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1249 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA16035  Spiraea splendens G. F. Hrusa, J. Glazner 2000-9-3 15678 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  SCFS1104  Spiraea splendens E. Krimmel 2013-6-2 Placer Foresthill Road, Am. River Gorge overlook Comment
  UCD22285  Spiraea splendens Beth Lowe Corbin 1982-8-10 295 Placer 1 mile WNW of Onion Creek Campground. SW facing slope, 15% incline. Partial sun. Locally common. In fine, sandy soil, near road in white fir forest. Shrub 2 ft tall. Flowers dark pink. 2072 Comment
  UCD150749  Spiranthes porrifolia James A. Neilson Jr. 1970-8-3 1718 Placer Tahoe Basin, 1 mile south of Tahoe City. 1901 Comment
  UCD93119  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8156 Placer 1 mile W of Gold Run on Interstate Hwy. 80W. 914 Comment
  UCD93129  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 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
  CAS-BOT-BC391173  Stellaria longipes subsp. longipes Geo. B. Grant 1906-7-15 6925 Placer Tahoe Tavern, Lake Tahoe Comment
  UCD99397  Stellaria media G. K. Helmkamp; E. A. Helmkamp 2006-2-9 10041 Placer English Colony Way (Humphrey Road) at Sierra College Blvd near Clover Valley Creek; SE of Lincoln. 183 Comment
  UCR171735  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-9 10059 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  UCR231886  Stellaria media George K. Helmkamp, E. A. Helmkamp 2011-4-10 17149 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  CDA36969  Stellaria media CDFA Staff s.n. Placer Loomis. 0 Comment
  JEPS14564  Stenotus acaulis Chas J. Kraebel 1955-8-3 Placer Squaw Valley 2133 Comment
  UC197335  Stenotus acaulis C. F. Sonne 1897-7-18 Placer Truckee Knob 2743 Comment
  UC480765  Stenotus acaulis W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Comment
  SD243104  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2011-8-26 18176 Placer Northern Sierra Nevada Mountains: Robinson Flat, 0.1 mile sout of the campground at Forest Hill Road (Duncan Peak 7.5'Q) 2061 Comment
  UC128271  Stephanomeria lactucina Miss Harriet A. Walker 1908-7-26 1424 Placer Cisco 1810 Comment
  UC195908  Stephanomeria lactucina C. F. Sonne 1884-8-24 Placer above Coldstream; Sierra Nevada Mts. Comment
  CAS-BOT-BC375610  Stephanomeria lactucina C. F. Sonne 1885-8-2 193 Placer Sierra Nevada Mts. Along Truckee River Comment
  UC1277972  Stephanomeria lactucina B. Crampton 1957-7-24 4402 Placer 2 mi w Emigrant Gap (roadbank along U.S. Hwy 40) 1524 Comment
  SACT002318  Stipa californica Michael Baad 1976-7-14 Placer 0.8 miles west of Sailor Flat. Forest Hills Divide. Comment
  SACT002338  Stipa cernua Josephine Van Ess 1975-5-23 Placer Collected on south slope leading up to Volcano Hill. Open grassy slope. Comment
  SACT0023287  Stipa occidentalis D. Meyer 1984-8-26 Placer Collected at summit 1660.0 Comment
  SEINET10610763  Stipa occidentalis Lewis S. Rose 1946-6-23 Rose 46193 Placer Rainbow, n. of Cisco 1737 Comment
  RSA0115162  Stipa occidentalis var. californica Lyman Benson 1947-8-12 12794 Placer Near Emigrant Gap. Mt. Range: Sierra Nevada. 1219 Comment
  CAS-BOT-BC87413  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest. 1139 Comment
  POM260048  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer 6 miles N of Colfax Comment
  RSA27025  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer 6 miles N of Colfax Comment
  CAS-BOT-BC87412  Streptanthus polygaloides L. S. Smith 1930-7-7 2513 Placer Tahoe Forest. Forbes Camp. 1219 Comment
  CAS-BOT-BC87765  Streptanthus tortuosus Lewis S. Rose 1940-5-29 40415 Placer 3 miles northeast of Emigrant Gap. 1676 Comment
  OBI70540  Streptanthus tortuosus G. F. Hrusa 1995-5-20 12168 Placer Approx 4 km beyond Mosquito Ridge Rd crossing of North Fork of middle Fork of the American river 650 Comment
  RSA35115  Streptanthus tortuosus L. S. Rose 1944-7-13 44101 Placer Chambers Lake, Lake Tahoe. 1921 Comment
  UCR208578  Streptanthus tortuosus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14622 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  UCR226134  Streptanthus tortuosus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5164 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, south side of trail between creek and trail 2138 Comment
  JEPS59428  Streptanthus tortuosus var. orbiculatus Ezra Brainerd and Viola B. Baird 1915-7-7 148 Placer Squaw Valley Sierra Nevada Mts. 1920 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
  UCR208574  Styrax officinalis var. redivivus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14606 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  RSA21429  Styrax redivivus Carl B. Wolf 1937-5-12 8609 Placer Sacramento Valley, W of N Fork American River, 8 mi N of Folsom on road to Auburn. 122 Comment
  RSA654887  Styrax redivivus G. Fred Hrusa 1995-5-20 12172 Placer below Mosquito Ridge Road, approximately 1 km east of crossing of North Fork of Middle Fork of the American River. 500 Comment
  UCD19281  Styrax redivivus Renee Shahrok 1986-6-25 3 Placer 4.2 mi. east of Forest Hill Rd junction, Mosquito Ridge Rd. 731 Comment
  UCD119115  Styrax redivivus A. M. Shapiro 1993-5-8 s.n. Placer Iowa Hill Road, above North Fork of American River. Comment
  UCD22160  Symphoricarpos Beth Lowe Corbin 1982-8-3 199 Placer Hill west of Onion Creek Campground. 1853 Comment
  UCD74066  Symphoricarpos mollis Jennifer W. Burt 2005-7-17 75 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. 2020 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
  JEPS72396  Symphoricarpos rotundifolius var. rotundifolius Gladys L. Smith 1973-6-1 3282 Placer slopes above Sherwood Forest (Ward Peak); Ward Peak 2590 Comment
  CAS-BOT-BC97556  Symphyotrichum ascendens E. R. Blakley 1960-9-3 3813 Placer [King's] Kings Beach, Lake Tahoe 1905 Comment
  UC86875  Symphyotrichum bracteolatum C. F. Sonne 1895-9-1 Placer w slope Washoe Mountain, along R. R. w Monte Carlo Washoe Mountain (Truckee) Comment
  CAS-BOT-BC97856  Symphyotrichum eatonii Fay A. Mac Fadden 1934-8-10 12865 Placer Cisco Comment
  CAS-BOT-BC98479  Symphyotrichum spathulatum H. M. Hall 12888 Placer Summit Station 2121 Comment
  CAS-BOT-BC98480  Symphyotrichum spathulatum H. M. Hall 12888 Placer Summit Station 2121 Comment
  UC201327  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit valley 2118 Comment
  UCD43307  Symphyotrichum spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 675 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44596  Symphyotrichum spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1962 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD74033  Symphyotrichum spathulatum Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 218 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Terrain Park' ski run. 2221 Comment
  CAS-BOT-BC376826  Tanacetum vulgare Mary P. Wells; Nell E. Flattery 1980-9-12 s.n. Placer Yard at 550 Pioneer Way, Tahoe City Comment
  CAS-BOT-BC376912  Taraxacum officinale Saichi Kawahara 1969-5-25 1002 Placer Mel Henderson Ranch, east of Indian Creek 987 Comment
  UCD21791  Taraxacum officinale Beth Lowe Corbin 1982-8-20 399 Placer 3/4 mile NW of Onion Creek campground. In fine, sandy, damp soil along old road through meadow. Ray flowers yellow. Milky sap. Partial sun. SW facing slope, 15% incline. 2072 Comment
  CAS-BOT-BC392401  Thalictrum fendleri Alice Eastwood 1912-6-15 404 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC392398  Thalictrum fendleri Geo. B. Grant 1905-7-15 7008 Placer Tahoe Tavern, Lake Tahoe Comment
  UCD44458  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1824 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR189636  Thalictrum fendleri var. fendleri George K. Helmkamp, E. A. Helmkamp 2007-7-27 12633 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 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
  SEINET6627109  Thelypteris nevadensis P. B. Kennedy 1901-8-21 425 Placer Middle Fork of American River 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
  SEINET12476871  Thysanocarpus radians A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 622 Placer One mile N of Lincoln. Comment
  UCD116044  Thysanocarpus radians Allan R. Magie 1957-4-14 121 Placer Auburn. Comment
  RSA0049958  Thysanocarpus radians Carl B. Wolf 1937-3-30 8355 Placer Sacramento Valley, 2 mi. No. of Lincoln. 53 Comment
  CDA36900  Torilis arvensis CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 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
  UCD69337  Torreya californica Collector unknown 1997-9-5 Placer Between Forest Hill and Michigan Bluff. Michigan Bluff Road. Tahoe National Forest. Shady Douglas fir forests (Pseudotsuga menziesii) at Volcano Canyon. 1060 Comment
  UCD44011  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1377 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD93190  Torreyochloa pallida var. pauciflora A. A. Heller 1917-8-13 12881 Placer Placer County. 2118 Comment
  HSC3172  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer NE of the Masonic Cemetery, Dutch Flat. 1006 Comment
  UCSB25993  Toxicodendron diversilobum Morley, Thomas 1946-5-30 Placer Northeast of the Masonic Cemetery, Dutch Flat 1005 Comment
  CDA35359  Toxicodendron diversilobum T. C. Fuller 1965-8-18 14005 Placer Sierra Nevada; 4 miles southeast of Loomis, Auburn-Folsom Rd. Comment
  CDA19569  Tragopogon dubius M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 242 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
  UC830765  Tragopogon porrifolius Kate E. Phelps 1937-5-28 Placer Auburn Comment
  SEINET3224367 Image available Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap. Comment
  UC380647  Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap Comment
  UC572392  Trientalis latifolia N. French 1934-6-15 411 Placer Tahoe National Forest, Scott Hill Scott Hill; Tahoe National Forest, Scott Hill 1463 Comment
  UCD117581  Trientalis latifolia Eric S. Ngay 1990-6-2 26 Placer Bridlevail Falls, Route 50. 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
  UC146419  Trifolium cyathiferum Miss Harriet A. Walker 1908-7-25 1386 Placer Cisco Comment
  UCD43294  Trifolium cyathiferum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 662 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET12157177  Trifolium cyathiferum C. F. Sonne 1884-1 60 Placer Canon above Goldstream, Macerlea Comment
  UCR146850  Trifolium depauperatum Beecher Crampton 1966-4-14 7644 Placer Sacramento Valley, north of Lincoln, Gladding Clay Pit Road and Hwy 99 [Calif. Hwy 65] 53 Comment
  CHSC96489  Trifolium depauperatum var. depauperatum Lowell Ahart; Brian Williams 2007-4-13 13644 Placer On damp granite soil, margins 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
  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
  UCR257603  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-3-21 22636 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  UCD108876  Trifolium dubium R. Tofsrud 1951-5-9 s.n. Placer Highway 40, ca. 4 miles E of Colfax. Comment
  CDA36913  Trifolium glomeratum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  JEPS127403  Trifolium hirtum Steve Matson 2006-4-23 1599 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCR207857  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14564 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
  SEINET7072696  Trifolium incarnatum A. G. Vestal 1963-5-6 s.n. Placer North of Loomis and southeast of Lincoln on Sierra College Blvd. [Humphrey Road]. UTM Zone 10, 654588E, 43033126mN. Coordinate datum: NAD 27. Comment
  JEPS59436  Trifolium longipes Ezra Brainerd and Viola B. Baird 1915-7-25 156 Placer Sierra Nevada Mountains; Deer Park Comment
  UCD111274  Trifolium longipes R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UCD36424  Trifolium longipes Beecher Crampton 1953-7-21 1534 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  UC630854  Trifolium longipes var. hansenii unknown Placer Squaw Valley Comment
  UC16587  Trifolium longipes var. hansenii C. F. Sonne July 1887 Placer Truckee Sierra Nevada Mtns Comment
  UC1586035  Trifolium microcephalum Barbara Ertter with David Thompson 1989-4-8 8161 Placer ca 2 mi from I-80 (Iowa Creek Rd, near entrance to Auburn State Recreation Area, at creek crossing) Comment
  UC80329  Trifolium monanthum subsp. parvum Kellogg July 1870 Placer Cisco Comment
  POM349510  Trifolium monanthum subsp. parvum Fay A. MacFadden 1934-7-26 12807 Placer Foot of Red Mt. near Cisco. Comment
  JEPS59434  Trifolium monanthum var. monanthum Ezra Brainerd and Viola B. Baird 1915-7-25 154 Placer above Inn (Deer Park); Sierra Nevada Mtns 2133 Comment
  CAS-BOT-BC5322  Trifolium monanthum var. parvum Albert Kellogg 1870-7-1 s.n. Placer Cisco Comment
  JEPS127540  Trifolium pratense Steve Matson 1998-9-1 402 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; main meadow near pond. Comment
  SEINET9262032  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-1 Placer Northern Sierra Nevada Mountains Foothills; Yankee Jims Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5 Q) 768 Comment
  UCR250289  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20800 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UC147609  Trifolium repens Miss Harriet A. Walker 1908-6-27 1336 Placer Blue Canyon 1432 Comment
  UCR249555  Trifolium subterraneum George K. Helmkamp 2013-3-1 20151 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  SEINET7375916  Trifolium tridentatum H. E. Hodge 1956-3-28 14 Placer U.s. Hwy 40, one mile east of Rocklin 76 Comment
  SEINET7375928  Trifolium tridentatum A. Allen 1950-4-29 12 Placer 1.2 mile west of Rocklin on highway 40, railroad right of way Comment
  UC631450  Trifolium variegatum A. A. Heller 1919-7-25 13310 Placer below Cisco (near the Yuba River) Comment
  UCD22086  Trifolium variegatum var. geminiflorum Rex Palmer 1979-6-19 N 218 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA28303  Trifolium willdenovii T. C. Fuller 1958-4-15 Placer Highway 99E, 0.5 mile north of Roseville. 0 Comment
  UCR250346  Trifolium willdenovii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20363 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  UCR258413  Trifolium willdenovii George K. Helmkamp, Amy Barnes 2014-3-21 22630 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  JEPS59438  Trifolium wormskioldii Ezra Brainerd and Viola B. Baird 1915-7-22 158 Placer Bear Rock Sierra Nevada Mtns (between rr and Truckee River) 1889 Comment
  SEINET8502208  Trillium chloropetalum B. M. Cunningham 1960-4-14 s.n. Placer At the Monte Viste Inn on Hwy 40 detour. 1219 Comment
  UCR249533  Triphysaria eriantha George K. Helmkamp, Amy Barnes 2013-3-28 20285 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  CDA32820  Triphysaria eriantha William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  SEINET7249066  Triphysaria eriantha George K. Helmkamp, Amy Barnes 2013-1 Placer Comment
  HSC82520  Triphysaria eriantha subsp. eriantha Thomas W. Nelson, Jane Nelson 1979-4-11 4595 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  JEPS10418  Triphysaria eriantha subsp. eriantha M. E. P. Ames 1878-1 Placer Auburn Comment
  UC219134  Triphysaria eriantha subsp. eriantha unknown May, 1891 Placer Auburn Comment